From 31f1dda1dbcb179a2ff60835efff99190fca1560 Mon Sep 17 00:00:00 2001 From: AztecBot Date: Wed, 13 Nov 2024 08:02:27 +0000 Subject: [PATCH] [1 changes] fix: set local_module before elaborating each trait (https://github.com/noir-lang/noir/pull/6506) fix: parse Slice type in SSa (https://github.com/noir-lang/noir/pull/6507) fix: perform arithmetic simplification through `CheckedCast` (https://github.com/noir-lang/noir/pull/6502) feat: SSA parser (https://github.com/noir-lang/noir/pull/6489) chore(test): Run test matrix on test_programs (https://github.com/noir-lang/noir/pull/6429) chore(ci): fix cargo deny (https://github.com/noir-lang/noir/pull/6501) feat: Deduplicate instructions across blocks (https://github.com/noir-lang/noir/pull/6499) chore: move tests for arithmetic generics closer to the code (https://github.com/noir-lang/noir/pull/6497) fix(docs): Fix broken links in oracles doc (https://github.com/noir-lang/noir/pull/6488) fix: Treat all parameters as possible aliases of each other (https://github.com/noir-lang/noir/pull/6477) chore: bump rust dependencies (https://github.com/noir-lang/noir/pull/6482) feat: use a full `BlackBoxFunctionSolver` implementation when execution brillig during acirgen (https://github.com/noir-lang/noir/pull/6481) chore(docs): Update How to Oracles (https://github.com/noir-lang/noir/pull/5675) chore: Release Noir(0.38.0) (https://github.com/noir-lang/noir/pull/6422) fix(ssa): Change array_set to not mutate slices coming from function inputs (https://github.com/noir-lang/noir/pull/6463) chore: update example to show how to split public inputs in bash (https://github.com/noir-lang/noir/pull/6472) fix: Discard optimisation that would change execution ordering or that is related to call outputs (https://github.com/noir-lang/noir/pull/6461) chore: proptest for `canonicalize` on infix type expressions (https://github.com/noir-lang/noir/pull/6269) fix: let formatter respect newlines between comments (https://github.com/noir-lang/noir/pull/6458) fix: check infix expression is valid in program input (https://github.com/noir-lang/noir/pull/6450) fix: don't crash on AsTraitPath with empty path (https://github.com/noir-lang/noir/pull/6454) fix(tests): Prevent EOF error while running test programs (https://github.com/noir-lang/noir/pull/6455) fix(sea): mem2reg to treat block input references as alias (https://github.com/noir-lang/noir/pull/6452) chore: revamp attributes (https://github.com/noir-lang/noir/pull/6424) feat!: Always Check Arithmetic Generics at Monomorphization (https://github.com/noir-lang/noir/pull/6329) chore: split path and import lookups (https://github.com/noir-lang/noir/pull/6430) fix(ssa): Resolve value IDs in terminator before comparing to array (https://github.com/noir-lang/noir/pull/6448) fix: right shift is not a regular division (https://github.com/noir-lang/noir/pull/6400) --- .noir-sync-commit | 2 +- .../gates_report_brillig_execution.yml | 92 + 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noir/noir-repo/tooling/nargo_cli/src/cli/generate_completion_script_cmd.rs diff --git a/.noir-sync-commit b/.noir-sync-commit index 14513b410b0..4a1f9eb7bb9 100644 --- a/.noir-sync-commit +++ b/.noir-sync-commit @@ -1 +1 @@ -075c3d32481314d900cbdea0d277de83444747ab +1df8c456d6d256f120d6df6ae3e6735cb7eb7dae diff --git a/noir/noir-repo/.github/workflows/gates_report_brillig_execution.yml b/noir/noir-repo/.github/workflows/gates_report_brillig_execution.yml new file mode 100644 index 00000000000..0ef98f5045b --- /dev/null +++ b/noir/noir-repo/.github/workflows/gates_report_brillig_execution.yml @@ -0,0 +1,92 @@ +name: Report Brillig opcodes executed diff + +on: + push: + branches: + - master + pull_request: + +jobs: + build-nargo: + runs-on: ubuntu-latest + strategy: + matrix: + target: [x86_64-unknown-linux-gnu] + + steps: + - name: Checkout Noir repo + uses: actions/checkout@v4 + + - name: Setup toolchain + uses: dtolnay/rust-toolchain@1.74.1 + + - uses: Swatinem/rust-cache@v2 + with: + key: ${{ matrix.target }} + cache-on-failure: true + save-if: ${{ github.event_name != 'merge_group' }} + + - name: Build Nargo + run: cargo build --package nargo_cli --release + + - name: Package artifacts + run: | + mkdir dist + cp ./target/release/nargo ./dist/nargo + 7z a -ttar -so -an ./dist/* | 7z a -si ./nargo-x86_64-unknown-linux-gnu.tar.gz + + - name: Upload artifact + uses: actions/upload-artifact@v4 + with: + name: nargo + path: ./dist/* + retention-days: 3 + + compare_brillig_execution_reports: + needs: [build-nargo] + runs-on: ubuntu-latest + permissions: + pull-requests: write + + steps: + - uses: actions/checkout@v4 + + - name: Download nargo binary + uses: actions/download-artifact@v4 + with: + name: nargo + path: ./nargo + + - name: Set nargo on PATH + run: | + nargo_binary="${{ github.workspace }}/nargo/nargo" + chmod +x $nargo_binary + echo "$(dirname $nargo_binary)" >> $GITHUB_PATH + export PATH="$PATH:$(dirname $nargo_binary)" + nargo -V + + - name: Generate Brillig execution report + working-directory: ./test_programs + run: | + chmod +x gates_report_brillig_execution.sh + ./gates_report_brillig_execution.sh + mv gates_report_brillig_execution.json ../gates_report_brillig_execution.json + + - name: Compare Brillig execution reports + id: brillig_execution_diff + uses: noir-lang/noir-gates-diff@d88f7523b013b9edd3f31c5cfddaef87a3fe1b48 + with: + report: gates_report_brillig_execution.json + header: | + # Changes to number of Brillig opcodes executed + brillig_report: true + summaryQuantile: 0.9 # only display the 10% most significant bytecode size diffs in the summary (defaults to 20%) + + - name: Add bytecode size diff to sticky comment + if: github.event_name == 'pull_request' || github.event_name == 'pull_request_target' + uses: marocchino/sticky-pull-request-comment@v2 + with: + header: brillig_execution + # delete the comment in case changes no longer impact brillig bytecode sizes + delete: ${{ !steps.brillig_execution_diff.outputs.markdown }} + message: ${{ steps.brillig_execution_diff.outputs.markdown }} \ No newline at end of file diff --git a/noir/noir-repo/.gitignore b/noir/noir-repo/.gitignore index aeb7d8757c4..f1f0ea47bcf 100644 --- a/noir/noir-repo/.gitignore +++ b/noir/noir-repo/.gitignore @@ -34,6 +34,7 @@ tooling/noir_js/lib gates_report.json gates_report_brillig.json +gates_report_brillig_execution.json # Github Actions scratch space # This gives a location to download artifacts into the repository in CI without making git dirty. diff --git a/noir/noir-repo/.release-please-manifest.json b/noir/noir-repo/.release-please-manifest.json index 663401247bf..138ef24bf73 100644 --- a/noir/noir-repo/.release-please-manifest.json +++ b/noir/noir-repo/.release-please-manifest.json @@ -1,4 +1,4 @@ { - ".": "0.36.0", - "acvm-repo": "0.52.0" + ".": "0.38.0", + "acvm-repo": "0.54.0" } diff --git a/noir/noir-repo/CHANGELOG.md b/noir/noir-repo/CHANGELOG.md index 28b38e32dae..076a36fc96b 100644 --- a/noir/noir-repo/CHANGELOG.md +++ b/noir/noir-repo/CHANGELOG.md @@ -1,5 +1,101 @@ # Changelog +## [0.38.0](https://github.com/noir-lang/noir/compare/v0.37.0...v0.38.0) (2024-11-08) + + +### ⚠ BREAKING CHANGES + +* Always Check Arithmetic Generics at Monomorphization ([#6329](https://github.com/noir-lang/noir/issues/6329)) + +### Features + +* Always Check Arithmetic Generics at Monomorphization ([#6329](https://github.com/noir-lang/noir/issues/6329)) ([2972db2](https://github.com/noir-lang/noir/commit/2972db20fc00ed0e43b662092f0d0712421d122f)) +* Ensure that generated ACIR is solvable ([#6415](https://github.com/noir-lang/noir/issues/6415)) ([b473d99](https://github.com/noir-lang/noir/commit/b473d99b2b70b595596b8392617256dbaf5d5642)) +* Nargo command to generate shell completions ([#6413](https://github.com/noir-lang/noir/issues/6413)) ([13856a1](https://github.com/noir-lang/noir/commit/13856a121125b1ccca15919942081a5d157d280e)) + + +### Bug Fixes + +* Check infix expression is valid in program input ([#6450](https://github.com/noir-lang/noir/issues/6450)) ([35dedb5](https://github.com/noir-lang/noir/commit/35dedb54a0853ba0fa85038d832a520f9ba01a98)) +* Discard optimisation that would change execution ordering or that is related to call outputs ([#6461](https://github.com/noir-lang/noir/issues/6461)) ([b8654f7](https://github.com/noir-lang/noir/commit/b8654f700b218cc09c5381af65df11ead9ffcdaf)) +* Don't crash on AsTraitPath with empty path ([#6454](https://github.com/noir-lang/noir/issues/6454)) ([fc72dcd](https://github.com/noir-lang/noir/commit/fc72dcdf3e8eeff73f72756e7ab87dddf2920657)) +* Fix Alias and Error kinds ([#6426](https://github.com/noir-lang/noir/issues/6426)) ([3cb259f](https://github.com/noir-lang/noir/commit/3cb259f419cf352f768728b15f849e520fc233cb)) +* Let formatter respect newlines between comments ([#6458](https://github.com/noir-lang/noir/issues/6458)) ([fb1a8ca](https://github.com/noir-lang/noir/commit/fb1a8ca67c58d87991358078e6c532b49824fdb8)) +* Right shift is not a regular division ([#6400](https://github.com/noir-lang/noir/issues/6400)) ([2247814](https://github.com/noir-lang/noir/commit/2247814f951f5d33257cd123a3bdcba857c9b167)) +* **sea:** Mem2reg to treat block input references as alias ([#6452](https://github.com/noir-lang/noir/issues/6452)) ([5310064](https://github.com/noir-lang/noir/commit/53100647bf1dc7917b66c9a7041c06b1e716fbe7)) +* **ssa:** Change array_set to not mutate slices coming from function inputs ([#6463](https://github.com/noir-lang/noir/issues/6463)) ([371bd45](https://github.com/noir-lang/noir/commit/371bd45130c9095e5dfb20dc79fbf41c02ed087c)) +* **ssa:** Resolve value IDs in terminator before comparing to array ([#6448](https://github.com/noir-lang/noir/issues/6448)) ([66f15ca](https://github.com/noir-lang/noir/commit/66f15caba8466501256a98cee289c49376b27097)) +* **tests:** Prevent EOF error while running test programs ([#6455](https://github.com/noir-lang/noir/issues/6455)) ([358e381](https://github.com/noir-lang/noir/commit/358e38107edbc4f40c97b88196456d82f5557e3f)) +* Type-check turbofish in trait before function call ([#6416](https://github.com/noir-lang/noir/issues/6416)) ([f8fd813](https://github.com/noir-lang/noir/commit/f8fd813b09ce870364700659e3ea8499ab51105e)) + +## [0.37.0](https://github.com/noir-lang/noir/compare/v0.36.0...v0.37.0) (2024-10-31) + + +### ⚠ BREAKING CHANGES + +* remove mimc from stdlib ([#6402](https://github.com/noir-lang/noir/issues/6402)) +* **avm/brillig:** revert/rethrow oracle (https://github.com/AztecProtocol/aztec-packages/pull/9408) +* use Brillig opcode when possible for less-than operations on fields (https://github.com/AztecProtocol/aztec-packages/pull/9416) +* remove noir_js_backend_barretenberg (https://github.com/AztecProtocol/aztec-packages/pull/9338) +* replace usage of vector in keccakf1600 input with array (https://github.com/AztecProtocol/aztec-packages/pull/9350) +* **profiler:** New flamegraph command that profiles the opcodes executed ([#6327](https://github.com/noir-lang/noir/issues/6327)) + +### Features + +* Add capacities to brillig vectors and use them in slice ops ([#6332](https://github.com/noir-lang/noir/issues/6332)) ([c9ff9a3](https://github.com/noir-lang/noir/commit/c9ff9a392f6142c04a3a512722ef6c9f9a7c3439)) +* **avm/brillig:** Revert/rethrow oracle (https://github.com/AztecProtocol/aztec-packages/pull/9408) ([321a493](https://github.com/noir-lang/noir/commit/321a493216e19a2f077007c3447a3030db0df0d0)) +* Better LSP hover for functions ([#6376](https://github.com/noir-lang/noir/issues/6376)) ([e92b519](https://github.com/noir-lang/noir/commit/e92b519bdfbd2a149a46745ad2ecffdd0e91f3f1)) +* Check trait where clause ([#6325](https://github.com/noir-lang/noir/issues/6325)) ([0de3241](https://github.com/noir-lang/noir/commit/0de3241bd290b1737ff831c30e5a2a0633a53eb3)) +* **ci:** Add report of Brillig opcodes executed ([#6396](https://github.com/noir-lang/noir/issues/6396)) ([e04b026](https://github.com/noir-lang/noir/commit/e04b02621e3651ddbb8e314563d614171a8a9933)) +* Do not increment reference counts on arrays through references ([#6375](https://github.com/noir-lang/noir/issues/6375)) ([60c770f](https://github.com/noir-lang/noir/commit/60c770f5f2594eea31ac75c852980edefa40d9eb)) +* Improve malformed test attribute error ([#6414](https://github.com/noir-lang/noir/issues/6414)) ([8f516d7](https://github.com/noir-lang/noir/commit/8f516d73d2d33988f6cdb9367244c11bc36ede22)) +* Let LSP suggest traits in trait bounds ([#6370](https://github.com/noir-lang/noir/issues/6370)) ([e909dcb](https://github.com/noir-lang/noir/commit/e909dcbb06c7b0043ffc79d5b8af99835b0096e5)) +* Let the formatter remove lambda block braces for single-statement blocks ([#6335](https://github.com/noir-lang/noir/issues/6335)) ([52f7c0b](https://github.com/noir-lang/noir/commit/52f7c0b67fa2f70848512c87fabcefc4c5426dd1)) +* Let the LSP import code action insert into existing use statements ([#6358](https://github.com/noir-lang/noir/issues/6358)) ([308717b](https://github.com/noir-lang/noir/commit/308717b6c44db4b206ad371cd6322478ce68746b)) +* LSP auto-import will try to add to existing use statements ([#6354](https://github.com/noir-lang/noir/issues/6354)) ([647f6a4](https://github.com/noir-lang/noir/commit/647f6a4bd3d00fd3b3b3e4ff17dce512287ee5b4)) +* Merge and sort imports ([#6322](https://github.com/noir-lang/noir/issues/6322)) ([07ab515](https://github.com/noir-lang/noir/commit/07ab5150857ec6719b132ec91d5f90af0564a046)) +* **perf:** Use [u32;16] for message block in sha256 ([#6324](https://github.com/noir-lang/noir/issues/6324)) ([81c612f](https://github.com/noir-lang/noir/commit/81c612f281cddf41d12ea62d9f610eab05ad1973)) +* **profiler:** Add Brillig procedure info to debug artifact for more informative profiling ([#6385](https://github.com/noir-lang/noir/issues/6385)) ([f5f65dc](https://github.com/noir-lang/noir/commit/f5f65dc29eb1f71926e6f8ed6681df563a85bd23)) +* **profiler:** New flamegraph command that profiles the opcodes executed ([#6327](https://github.com/noir-lang/noir/issues/6327)) ([4d87c9a](https://github.com/noir-lang/noir/commit/4d87c9ac78b48b4bd0ae81316df28aab390d004e)) +* Reject programs with unconditional recursion ([#6292](https://github.com/noir-lang/noir/issues/6292)) ([00c5c51](https://github.com/noir-lang/noir/commit/00c5c5154b818d0b50802721eae621efb3379a4e)) +* Remove 'single use' intermediate variables ([#6268](https://github.com/noir-lang/noir/issues/6268)) ([ec75e8e](https://github.com/noir-lang/noir/commit/ec75e8ec59e0f2a2169aea67372411ede4074d09)) +* Remove mimc from stdlib ([#6402](https://github.com/noir-lang/noir/issues/6402)) ([ec03e77](https://github.com/noir-lang/noir/commit/ec03e779f438069e51e973d8f29727e1e0fb5665)) +* Sha256 refactoring and benchmark with longer input ([#6318](https://github.com/noir-lang/noir/issues/6318)) ([d606491](https://github.com/noir-lang/noir/commit/d606491a61a9fe2153666f7d0a3ec6cae7bfaecb)) +* **ssa:** Various mem2reg reverts to reduce memory and compilation time ([#6307](https://github.com/noir-lang/noir/issues/6307)) ([b820328](https://github.com/noir-lang/noir/commit/b82032888819eac82b2bfce8300c2c8b66507c64)) +* Suggest removing `!` from macro call that doesn't return Quoted ([#6384](https://github.com/noir-lang/noir/issues/6384)) ([0232b57](https://github.com/noir-lang/noir/commit/0232b573c418ab74715b7cc1d3e858d993bc1c07)) +* Support specifying generics on a struct when calling an associated function ([#6306](https://github.com/noir-lang/noir/issues/6306)) ([eba151e](https://github.com/noir-lang/noir/commit/eba151ecf59c61f7ffc6bec00d455dce84e7b927)) +* **test:** Run test matrix on stdlib tests ([#6352](https://github.com/noir-lang/noir/issues/6352)) ([4c39514](https://github.com/noir-lang/noir/commit/4c39514fccf3595de6bdfad755b6ae2d3ef11aa1)) + + +### Bug Fixes + +* (formatter) correctly format quote delimiters ([#6377](https://github.com/noir-lang/noir/issues/6377)) ([b42accf](https://github.com/noir-lang/noir/commit/b42accf59c9294131ce2773ac3ebdb20f548ece5)) +* (formatter) indent after infix lhs ([#6331](https://github.com/noir-lang/noir/issues/6331)) ([c891ffd](https://github.com/noir-lang/noir/commit/c891ffda9df17eabcaf2035f098d29f97bfc463a)) +* (LSP) check visibility of module that re-exports item, if any ([#6371](https://github.com/noir-lang/noir/issues/6371)) ([a4fc6e8](https://github.com/noir-lang/noir/commit/a4fc6e861492ab5ff12ebc5fdbb248f983eab0a2)) +* Aliases in path ([#6399](https://github.com/noir-lang/noir/issues/6399)) ([be882f1](https://github.com/noir-lang/noir/commit/be882f11ee661bf19ed6d78a7b3085099d4273e8)) +* Allow globals in format strings ([#6382](https://github.com/noir-lang/noir/issues/6382)) ([15c729a](https://github.com/noir-lang/noir/commit/15c729a7f29564092411658be613145b18ddd226)) +* Allow type aliases in let patterns ([#6356](https://github.com/noir-lang/noir/issues/6356)) ([91c0842](https://github.com/noir-lang/noir/commit/91c08421fdc5df7edcf502fb7fc1d343bb860b03)) +* Always inline `derive_generators` ([#6350](https://github.com/noir-lang/noir/issues/6350)) ([7c98b36](https://github.com/noir-lang/noir/commit/7c98b36305ffdbbaee3947723f248fa718e7a950)) +* Better formatting of leading/trailing line/block comments in expression lists ([#6338](https://github.com/noir-lang/noir/issues/6338)) ([3299c25](https://github.com/noir-lang/noir/commit/3299c25cefb6e3eb4b55396b2f842138b658e42f)) +* Display every bit in integer tokens ([#6360](https://github.com/noir-lang/noir/issues/6360)) ([b985fdf](https://github.com/noir-lang/noir/commit/b985fdf6e635570b8db3af83d9ec14e7cd749062)) +* Distinguish TypePath with and without turbofish ([#6404](https://github.com/noir-lang/noir/issues/6404)) ([0e974c2](https://github.com/noir-lang/noir/commit/0e974c22a1de0f6d38bc7a59280f86222f864698)) +* Fix panic in comptime code ([#6361](https://github.com/noir-lang/noir/issues/6361)) ([2f37610](https://github.com/noir-lang/noir/commit/2f376100d3ee7ab519d6ea30153395bb3e7af7b1)) +* Formatter didn't format `>>=` well ([#6337](https://github.com/noir-lang/noir/issues/6337)) ([598230d](https://github.com/noir-lang/noir/commit/598230d9427cf988fc6da8fe9e1eb2b7c00a2fa6)) +* LSP auto-import would import public item inside private module ([#6366](https://github.com/noir-lang/noir/issues/6366)) ([51eb295](https://github.com/noir-lang/noir/commit/51eb2954e8dfb3da298431a82f36fa72ebbee8eb)) +* Make keccak256 work with input lengths greater than 136 bytes ([#6393](https://github.com/noir-lang/noir/issues/6393)) ([07c9322](https://github.com/noir-lang/noir/commit/07c9322332e147c0e8fade5e238552ecbf3e7849)) +* Mutable global pattern didn't have a span ([#6328](https://github.com/noir-lang/noir/issues/6328)) ([5a6dae9](https://github.com/noir-lang/noir/commit/5a6dae9a9ee9c3650695a16d18fb8b7ac12180f4)) +* Numeric generic doesn't have a default type ([#6405](https://github.com/noir-lang/noir/issues/6405)) ([3a073f7](https://github.com/noir-lang/noir/commit/3a073f7446e3cd78ca963b221e05f341a6041067)) +* Remove assumed parent traits ([#6365](https://github.com/noir-lang/noir/issues/6365)) ([83d29f2](https://github.com/noir-lang/noir/commit/83d29f259debe41d0b5cdfb6e63d31733ae4e0c7)) +* Slightly better formatting of empty blocks with comments ([#6367](https://github.com/noir-lang/noir/issues/6367)) ([da72979](https://github.com/noir-lang/noir/commit/da729791b7ffcfcd2f58ba1f8bf2c274c04f303e)) +* **ssa:** Do not mark an array from a parameter mutable ([#6355](https://github.com/noir-lang/noir/issues/6355)) ([bcd8976](https://github.com/noir-lang/noir/commit/bcd897627c69b1ebcadc8b84abe2922ce3473c56)) + + +### Miscellaneous Chores + +* Remove noir_js_backend_barretenberg (https://github.com/AztecProtocol/aztec-packages/pull/9338) ([3925228](https://github.com/noir-lang/noir/commit/392522880e102e275ebcf42f16651a8ffa0bbbd2)) +* Replace usage of vector in keccakf1600 input with array (https://github.com/AztecProtocol/aztec-packages/pull/9350) ([3925228](https://github.com/noir-lang/noir/commit/392522880e102e275ebcf42f16651a8ffa0bbbd2)) +* Use Brillig opcode when possible for less-than operations on fields (https://github.com/AztecProtocol/aztec-packages/pull/9416) ([321a493](https://github.com/noir-lang/noir/commit/321a493216e19a2f077007c3447a3030db0df0d0)) + ## [0.36.0](https://github.com/noir-lang/noir/compare/v0.35.0...v0.36.0) (2024-10-22) diff --git a/noir/noir-repo/Cargo.lock b/noir/noir-repo/Cargo.lock index 3add28d3939..35ff97f55e3 100644 --- a/noir/noir-repo/Cargo.lock +++ b/noir/noir-repo/Cargo.lock @@ -4,7 +4,7 @@ version = 3 [[package]] name = "acir" -version = "0.52.0" +version = "0.54.0" dependencies = [ "acir_field", "base64 0.21.7", @@ -26,7 +26,7 @@ dependencies = [ [[package]] name = "acir_field" -version = "0.52.0" +version = "0.54.0" dependencies = [ "ark-bls12-381", "ark-bn254", @@ -40,7 +40,7 @@ dependencies = [ [[package]] name = "acvm" -version = "0.52.0" +version = "0.54.0" dependencies = [ "acir", "acvm_blackbox_solver", @@ -59,7 +59,7 @@ dependencies = [ [[package]] name = "acvm_blackbox_solver" -version = "0.52.0" +version = "0.54.0" dependencies = [ "acir", "blake2", @@ -89,14 +89,14 @@ dependencies = [ "proptest", "rand 0.8.5", "thiserror", - "toml 0.7.6", + "toml 0.7.8", "tracing-appender", "tracing-subscriber", ] [[package]] name = "acvm_js" -version = "0.52.0" +version = "0.54.0" dependencies = [ "acvm", "bn254_blackbox_solver", @@ -117,9 +117,9 @@ dependencies = [ [[package]] name = "addr2line" -version = "0.20.0" +version = "0.21.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "f4fa78e18c64fce05e902adecd7a5eed15a5e0a3439f7b0e169f0252214865e3" +checksum = "8a30b2e23b9e17a9f90641c7ab1549cd9b44f296d3ccbf309d2863cfe398a0cb" dependencies = [ "gimli", ] @@ -130,6 +130,12 @@ version = "1.0.2" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe" +[[package]] +name = "adler2" +version = "2.0.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "512761e0bb2578dd7380c6baaa0f4ce03e84f95e960231d1dec8bf4d7d6e2627" + [[package]] name = "ahash" version = "0.8.11" @@ -145,9 +151,9 @@ dependencies = [ [[package]] name = "aho-corasick" -version = "1.0.2" +version = "1.1.3" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "43f6cb1bf222025340178f382c426f13757b2960e89779dfcb319c32542a5a41" +checksum = "8e60d3430d3a69478ad0993f19238d2df97c507009a52b3c10addcd7f6bcb916" dependencies = [ "memchr", ] @@ -175,57 +181,58 @@ checksum = "4b46cbb362ab8752921c97e041f5e366ee6297bd428a31275b9fcf1e380f7299" [[package]] name = "anstream" -version = "0.6.4" +version = "0.6.18" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "2ab91ebe16eb252986481c5b62f6098f3b698a45e34b5b98200cf20dd2484a44" +checksum = "8acc5369981196006228e28809f761875c0327210a891e941f4c683b3a99529b" dependencies = [ "anstyle", "anstyle-parse", "anstyle-query", "anstyle-wincon", "colorchoice", + "is_terminal_polyfill", "utf8parse", ] [[package]] name = "anstyle" -version = "1.0.1" +version = "1.0.10" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "3a30da5c5f2d5e72842e00bcb57657162cdabef0931f40e2deb9b4140440cecd" +checksum = "55cc3b69f167a1ef2e161439aa98aed94e6028e5f9a59be9a6ffb47aef1651f9" [[package]] name = "anstyle-parse" -version = "0.2.1" +version = "0.2.6" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "938874ff5980b03a87c5524b3ae5b59cf99b1d6bc836848df7bc5ada9643c333" +checksum = "3b2d16507662817a6a20a9ea92df6652ee4f94f914589377d69f3b21bc5798a9" dependencies = [ "utf8parse", ] [[package]] name = "anstyle-query" -version = "1.0.0" +version = "1.1.2" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "5ca11d4be1bab0c8bc8734a9aa7bf4ee8316d462a08c6ac5052f888fef5b494b" +checksum = "79947af37f4177cfead1110013d678905c37501914fba0efea834c3fe9a8d60c" dependencies = [ - "windows-sys 0.48.0", + "windows-sys 0.59.0", ] [[package]] name = "anstyle-wincon" -version = "3.0.1" +version = "3.0.6" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "f0699d10d2f4d628a98ee7b57b289abbc98ff3bad977cb3152709d4bf2330628" +checksum = "2109dbce0e72be3ec00bed26e6a7479ca384ad226efdd66db8fa2e3a38c83125" dependencies = [ "anstyle", - "windows-sys 0.48.0", + "windows-sys 0.59.0", ] [[package]] name = "anyhow" -version = "1.0.75" +version = "1.0.93" source = 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dependencies = [ "codespan-reporting", "lsp-types 0.88.0", - "url 2.5.0", + "url 2.5.3", ] [[package]] @@ -863,9 +875,9 @@ dependencies = [ [[package]] name = "color-eyre" -version = "0.6.2" +version = "0.6.3" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "5a667583cca8c4f8436db8de46ea8233c42a7d9ae424a82d338f2e4675229204" +checksum = "55146f5e46f237f7423d74111267d4597b59b0dad0ffaf7303bce9945d843ad5" dependencies = [ "backtrace", "color-spantrace", @@ -878,9 +890,9 @@ dependencies = [ [[package]] name = "color-spantrace" -version = "0.2.0" +version = "0.2.1" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "1ba75b3d9449ecdccb27ecbc479fdc0b87fa2dd43d2f8298f9bf0e59aacc8dce" +checksum = "cd6be1b2a7e382e2b98b43b2adcca6bb0e465af0bdd38123873ae61eb17a72c2" dependencies = [ "once_cell", "owo-colors", @@ -890,9 +902,9 @@ dependencies = [ [[package]] name = "colorchoice" -version = "1.0.0" +version = "1.0.3" source = 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"7a81dae078cea95a014a339291cec439d2f232ebe854a9d672b796c6afafa9b7" [[package]] name = "crypto-bigint" @@ -1108,9 +1120,9 @@ dependencies = [ [[package]] name = "csv" -version = "1.2.2" +version = "1.3.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "626ae34994d3d8d668f4269922248239db4ae42d538b14c398b74a52208e8086" +checksum = "ac574ff4d437a7b5ad237ef331c17ccca63c46479e5b5453eb8e10bb99a759fe" dependencies = [ "csv-core", "itoa", @@ -1120,9 +1132,9 @@ dependencies = [ [[package]] name = "csv-core" -version = "0.1.10" +version = "0.1.11" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "2b2466559f260f48ad25fe6317b3c8dac77b5bdb5763ac7d9d6103530663bc90" +checksum = "5efa2b3d7902f4b634a20cae3c9c4e6209dc4779feb6863329607560143efa70" dependencies = [ "memchr", ] @@ -1140,9 +1152,9 @@ dependencies = [ [[package]] name = "darling" -version = "0.20.3" +version = "0.20.10" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "0209d94da627ab5605dcccf08bb18afa5009cfbef48d8a8b7d7bdbc79be25c5e" +checksum = "6f63b86c8a8826a49b8c21f08a2d07338eec8d900540f8630dc76284be802989" dependencies = [ "darling_core", "darling_macro", @@ -1150,40 +1162,41 @@ dependencies = [ [[package]] name = "darling_core" -version = "0.20.3" +version = "0.20.10" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "177e3443818124b357d8e76f53be906d60937f0d3a90773a664fa63fa253e621" +checksum = "95133861a8032aaea082871032f5815eb9e98cef03fa916ab4500513994df9e5" dependencies = [ "fnv", "ident_case", "proc-macro2", "quote", "strsim", - "syn 2.0.64", + "syn 2.0.87", ] [[package]] name = "darling_macro" -version = "0.20.3" +version = "0.20.10" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "836a9bbc7ad63342d6d6e7b815ccab164bc77a2d95d84bc3117a8c0d5c98e2d5" +checksum = "d336a2a514f6ccccaa3e09b02d41d35330c07ddf03a62165fcec10bb561c7806" dependencies = [ "darling_core", "quote", - "syn 2.0.64", + "syn 2.0.87", ] [[package]] name = "dashmap" -version = "5.5.3" +version = "6.1.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "978747c1d849a7d2ee5e8adc0159961c48fb7e5db2f06af6723b80123bb53856" +checksum = "5041cc499144891f3790297212f32a74fb938e5136a14943f338ef9e0ae276cf" dependencies = [ "cfg-if 1.0.0", + "crossbeam-utils", "hashbrown 0.14.5", "lock_api", "once_cell", - "parking_lot_core 0.9.8", + "parking_lot_core 0.9.10", ] [[package]] @@ -1207,10 +1220,11 @@ dependencies = [ [[package]] name = "deranged" -version = "0.3.7" +version = "0.3.11" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "7684a49fb1af197853ef7b2ee694bc1f5b4179556f1e5710e1760c5db6f5e929" +checksum = "b42b6fa04a440b495c8b04d0e71b707c585f83cb9cb28cf8cd0d976c315e31b4" dependencies = [ + "powerfmt", "serde", ] @@ -1227,15 +1241,15 @@ dependencies = [ [[package]] name = "derive_more" -version = "0.99.17" +version = "0.99.18" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "4fb810d30a7c1953f91334de7244731fc3f3c10d7fe163338a35b9f640960321" +checksum = "5f33878137e4dafd7fa914ad4e259e18a4e8e532b9617a2d0150262bf53abfce" dependencies = [ "convert_case 0.4.0", "proc-macro2", "quote", "rustc_version", - "syn 1.0.109", + "syn 2.0.87", ] [[package]] @@ -1296,6 +1310,17 @@ dependencies = [ "winapi", ] +[[package]] +name = "displaydoc" +version = "0.2.5" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "97369cbbc041bc366949bc74d34658d6cda5621039731c6310521892a3a20ae0" +dependencies = [ + "proc-macro2", + "quote", + "syn 2.0.87", +] + [[package]] name = "doc-comment" version = "0.3.3" @@ -1331,9 +1356,9 @@ dependencies = [ [[package]] name = "either" -version = "1.8.1" +version = "1.13.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "7fcaabb2fef8c910e7f4c7ce9f67a1283a1715879a7c230ca9d6d1ae31f16d91" +checksum = "60b1af1c220855b6ceac025d3f6ecdd2b7c4894bfe9cd9bda4fbb4bc7c0d4cf0" [[package]] name = "elliptic-curve" @@ -1373,12 +1398,22 @@ version = "0.1.2" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "c34f04666d835ff5d62e058c3995147c06f42fe86ff053337632bca83e42702d" +[[package]] +name = "env_filter" +version = "0.1.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "4f2c92ceda6ceec50f43169f9ee8424fe2db276791afde7b2cd8bc084cb376ab" +dependencies = [ + "log", +] + [[package]] name = "env_logger" -version = "0.10.2" +version = "0.11.5" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "4cd405aab171cb85d6735e5c8d9db038c17d3ca007a4d2c25f337935c3d90580" +checksum = "e13fa619b91fb2381732789fc5de83b45675e882f66623b7d8cb4f643017018d" dependencies = [ + "env_filter", "log", ] @@ -1410,9 +1445,9 @@ dependencies = [ [[package]] name = "eyre" -version = "0.6.8" +version = "0.6.12" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "4c2b6b5a29c02cdc822728b7d7b8ae1bab3e3b05d44522770ddd49722eeac7eb" +checksum = "7cd915d99f24784cdc19fd37ef22b97e3ff0ae756c7e492e9fbfe897d61e2aec" dependencies = [ "indenter", "once_cell", @@ -1420,9 +1455,9 @@ dependencies = [ [[package]] name = "fastrand" -version = "2.0.1" +version = "2.2.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "25cbce373ec4653f1a01a31e8a5e5ec0c622dc27ff9c4e6606eefef5cbbed4a5" +checksum = "486f806e73c5707928240ddc295403b1b93c96a02038563881c4a2fd84b81ac4" [[package]] name = "fd-lock" @@ -1468,23 +1503,23 @@ dependencies = [ [[package]] name = "file-id" -version = "0.2.1" +version = "0.2.2" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "6584280525fb2059cba3db2c04abf947a1a29a45ddae89f3870f8281704fafc9" +checksum = "6bc904b9bbefcadbd8e3a9fb0d464a9b979de6324c03b3c663e8994f46a5be36" dependencies = [ - "windows-sys 0.48.0", + "windows-sys 0.52.0", ] [[package]] name = "filetime" -version = "0.2.22" +version = "0.2.25" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "d4029edd3e734da6fe05b6cd7bd2960760a616bd2ddd0d59a0124746d6272af0" +checksum = "35c0522e981e68cbfa8c3f978441a5f34b30b96e146b33cd3359176b50fe8586" dependencies = [ "cfg-if 1.0.0", "libc", - "redox_syscall 0.3.5", - "windows-sys 0.48.0", + "libredox 0.1.3", + "windows-sys 0.59.0", ] [[package]] @@ -1507,12 +1542,12 @@ checksum = "0ce7134b9999ecaf8bcd65542e436736ef32ddca1b3e06094cb6ec5755203b80" [[package]] name = "flate2" -version = "1.0.28" +version = "1.0.34" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "46303f565772937ffe1d394a4fac6f411c6013172fadde9dcdb1e147a086940e" +checksum = "a1b589b4dc103969ad3cf85c950899926ec64300a1a46d76c03a6072957036f0" dependencies = [ "crc32fast", - "miniz_oxide", + "miniz_oxide 0.8.0", ] [[package]] @@ -1526,7 +1561,7 @@ dependencies = [ [[package]] name = "fm" -version = "0.36.0" +version = "0.38.0" dependencies = [ "codespan-reporting", "iter-extended", @@ -1571,9 +1606,9 @@ checksum = "3a471a38ef8ed83cd6e40aa59c1ffe17db6855c18e3604d9c4ed8c08ebc28678" [[package]] name = "futures" -version = "0.3.30" +version = "0.3.31" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "645c6916888f6cb6350d2550b80fb63e734897a8498abe35cfb732b6487804b0" +checksum = "65bc07b1a8bc7c85c5f2e110c476c7389b4554ba72af57d8445ea63a576b0876" dependencies = [ "futures-channel", "futures-core", @@ -1586,9 +1621,9 @@ dependencies = [ [[package]] name = "futures-channel" -version = "0.3.30" +version = "0.3.31" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "eac8f7d7865dcb88bd4373ab671c8cf4508703796caa2b1985a9ca867b3fcb78" +checksum = "2dff15bf788c671c1934e366d07e30c1814a8ef514e1af724a602e8a2fbe1b10" dependencies = [ "futures-core", "futures-sink", @@ -1596,15 +1631,15 @@ dependencies = [ [[package]] name = "futures-core" -version = "0.3.30" +version = "0.3.31" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "dfc6580bb841c5a68e9ef15c77ccc837b40a7504914d52e47b8b0e9bbda25a1d" +checksum = "05f29059c0c2090612e8d742178b0580d2dc940c837851ad723096f87af6663e" [[package]] name = "futures-executor" -version = "0.3.30" +version = "0.3.31" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "a576fc72ae164fca6b9db127eaa9a9dda0d61316034f33a0a0d4eda41f02b01d" +checksum = "1e28d1d997f585e54aebc3f97d39e72338912123a67330d723fdbb564d646c9f" dependencies = [ "futures-core", "futures-task", @@ -1614,38 +1649,38 @@ dependencies = [ [[package]] name = "futures-io" -version = "0.3.30" +version = "0.3.31" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "a44623e20b9681a318efdd71c299b6b222ed6f231972bfe2f224ebad6311f0c1" +checksum = "9e5c1b78ca4aae1ac06c48a526a655760685149f0d465d21f37abfe57ce075c6" [[package]] name = "futures-macro" -version = "0.3.30" +version = "0.3.31" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "87750cf4b7a4c0625b1529e4c543c2182106e4dedc60a2a6455e00d212c489ac" +checksum = "162ee34ebcb7c64a8abebc059ce0fee27c2262618d7b60ed8faf72fef13c3650" dependencies = [ "proc-macro2", "quote", - "syn 2.0.64", + "syn 2.0.87", ] [[package]] name = "futures-sink" -version = "0.3.30" +version = "0.3.31" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "9fb8e00e87438d937621c1c6269e53f536c14d3fbd6a042bb24879e57d474fb5" +checksum = "e575fab7d1e0dcb8d0c7bcf9a63ee213816ab51902e6d244a95819acacf1d4f7" [[package]] name = "futures-task" -version = "0.3.30" +version = "0.3.31" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "38d84fa142264698cdce1a9f9172cf383a0c82de1bddcf3092901442c4097004" +checksum = "f90f7dce0722e95104fcb095585910c0977252f286e354b5e3bd38902cd99988" [[package]] name = "futures-util" -version = "0.3.30" +version = 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"15f1ce686646e7f1e19bf7d5533fe443a45dbfb990e00629110797578b42fb19" dependencies = [ "aho-corasick", - "bstr 1.6.0", - "fnv", + "bstr", "log", - "regex", + "regex-automata 0.4.8", + "regex-syntax 0.8.5", ] [[package]] name = "globwalk" -version = "0.8.1" +version = "0.9.1" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "93e3af942408868f6934a7b85134a3230832b9977cf66125df2f9edcfce4ddcc" +checksum = "0bf760ebf69878d9fd8f110c89703d90ce35095324d1f1edcb595c63945ee757" dependencies = [ - "bitflags 1.3.2", + "bitflags 2.6.0", "ignore", "walkdir", ] @@ -1777,9 +1812,13 @@ dependencies = [ [[package]] name = "half" -version = "1.8.2" +version = "2.4.1" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "eabb4a44450da02c90444cf74558da904edde8fb4e9035a9a6a4e15445af0bd7" +checksum = "6dd08c532ae367adf81c312a4580bc67f1d0fe8bc9c460520283f4c0ff277888" +dependencies = [ + "cfg-if 1.0.0", + "crunchy", +] [[package]] name = "halo2" @@ -1825,6 +1864,12 @@ version = "0.14.5" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "e5274423e17b7c9fc20b6e7e208532f9b19825d82dfd615708b70edd83df41f1" +[[package]] +name = "hashbrown" +version = "0.15.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "3a9bfc1af68b1726ea47d3d5109de126281def866b33970e10fbab11b5dafab3" + [[package]] name = "heck" version = "0.3.3" @@ -1840,11 +1885,23 @@ version = "0.4.1" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "95505c38b4572b2d910cecb0281560f54b440a19336cbbcb27bf6ce6adc6f5a8" +[[package]] +name = "heck" +version = "0.5.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea" + [[package]] name = "hermit-abi" -version = "0.3.2" +version = "0.3.9" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = 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-checksum = "168fb715dda47215e360912c096649d23d58bf392ac62f73919e831745e40f26" +checksum = "707907fe3c25f5424cce2cb7e1cbcafee6bdbe735ca90ef77c29e84591e5b9da" dependencies = [ "equivalent", - "hashbrown 0.14.5", + "hashbrown 0.15.1", "serde", ] [[package]] name = "inferno" -version = "0.11.19" +version = "0.11.21" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "321f0f839cd44a4686e9504b0a62b4d69a50b62072144c71c68f5873c167b8d9" +checksum = "232929e1d75fe899576a3d5c7416ad0d88dbfbb3c3d6aa00873a7408a50ddb88" dependencies = [ "ahash", "clap", @@ -2070,7 +2255,7 @@ dependencies = [ "crossbeam-utils", "dashmap", "env_logger", - "indexmap 2.2.6", + "indexmap 2.6.0", "is-terminal", "itoa", "log", @@ -2103,27 +2288,33 @@ dependencies = [ [[package]] name = "instant" -version = "0.1.12" +version = "0.1.13" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "7a5bbe824c507c5da5956355e86a746d82e0e1464f65d862cc5e71da70e94b2c" +checksum = 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= [ - "futures 0.3.30", + "futures 0.3.31", "jsonrpc-client-transports", ] @@ -2220,7 +2411,7 @@ version = "18.0.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "e1dea6e07251d9ce6a552abfb5d7ad6bc290a4596c8dcc3d795fae2bbdc1f3ff" dependencies = [ - "futures 0.3.30", + "futures 0.3.31", "hyper", "jsonrpc-core", "jsonrpc-server-utils", @@ -2236,7 +2427,7 @@ version = "18.0.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "240f87695e6c6f62fb37f05c02c04953cf68d6408b8c1c89de85c7a0125b1011" dependencies = [ - "futures 0.3.30", + "futures 0.3.31", "jsonrpc-core", "lazy_static", "log", @@ -2252,7 +2443,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "fa4fdea130485b572c39a460d50888beb00afb3e35de23ccd7fad8ff19f0e0d4" dependencies = [ "bytes", - "futures 0.3.30", + "futures 0.3.31", "globset", "jsonrpc-core", "lazy_static", @@ -2291,9 +2482,9 @@ dependencies = [ [[package]] name = "keccak" -version = 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+2576,17 @@ version = "0.4.14" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "78b3ae25bc7c8c38cec158d1f2757ee79e9b3740fbc7ccf0e59e4b08d793fa89" +[[package]] +name = "litemap" +version = "0.7.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "643cb0b8d4fcc284004d5fd0d67ccf61dfffadb7f75e1e71bc420f4688a3a704" + [[package]] name = "lock_api" -version = "0.4.10" +version = "0.4.12" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "c1cc9717a20b1bb222f333e6a92fd32f7d8a18ddc5a3191a11af45dcbf4dcd16" +checksum = "07af8b9cdd281b7915f413fa73f29ebd5d55d0d3f0155584dade1ff18cea1b17" dependencies = [ "autocfg", "scopeguard", @@ -2386,9 +2594,9 @@ dependencies = [ [[package]] name = "log" -version = "0.4.19" +version = "0.4.22" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "b06a4cde4c0f271a446782e3eff8de789548ce57dbc8eca9292c27f4a42004b4" +checksum = "a7a70ba024b9dc04c27ea2f0c0548feb474ec5c54bba33a7f72f873a39d07b24" [[package]] name = "louds-rs" @@ -2409,7 +2617,7 @@ dependencies = [ "serde", "serde_json", "serde_repr", - "url 2.5.0", + "url 2.5.3", ] [[package]] @@ -2422,7 +2630,7 @@ dependencies = [ "serde", "serde_json", "serde_repr", - "url 2.5.0", + "url 2.5.3", ] [[package]] @@ -2442,15 +2650,15 @@ checksum = "2532096657941c2fea9c289d370a250971c689d4f143798ff67113ec042024a5" [[package]] name = "memchr" -version = "2.7.1" +version = "2.7.4" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "523dc4f511e55ab87b694dc30d0f820d60906ef06413f93d4d7a1385599cc149" +checksum = "78ca9ab1a0babb1e7d5695e3530886289c18cf2f87ec19a575a0abdce112e3a3" [[package]] name = "memmap2" -version = "0.5.10" +version = "0.9.5" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "83faa42c0a078c393f6b29d5db232d8be22776a891f8f56e5284faee4a20b327" +checksum = "fd3f7eed9d3848f8b98834af67102b720745c4ec028fcd0aa0239277e7de374f" dependencies = [ "libc", ] @@ -2464,15 +2672,6 @@ dependencies = [ "autocfg", ] -[[package]] -name = "memoffset" -version = "0.9.1" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "488016bfae457b036d996092f6cb448677611ce4449e970ceaf42695203f218a" -dependencies = [ - "autocfg", -] - [[package]] name = "memuse" version = "0.2.1" @@ -2488,11 +2687,20 @@ dependencies = [ "adler", ] +[[package]] +name = "miniz_oxide" +version = "0.8.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "e2d80299ef12ff69b16a84bb182e3b9df68b5a91574d3d4fa6e41b65deec4df1" +dependencies = [ + "adler2", +] + [[package]] name = "minreq" -version = "2.11.0" +version = "2.12.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "cb3371dfc7b772c540da1380123674a8e20583aca99907087d990ca58cf44203" +checksum = "763d142cdff44aaadd9268bebddb156ef6c65a0e13486bb81673cf2d8739f9b0" dependencies = [ "log", "serde", @@ -2511,9 +2719,21 @@ dependencies = [ "windows-sys 0.48.0", ] +[[package]] +name = "mio" +version = "1.0.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "80e04d1dcff3aae0704555fe5fee3bcfaf3d1fdf8a7e521d5b9d2b42acb52cec" +dependencies = [ + "hermit-abi 0.3.9", + "libc", + "wasi 0.11.0+wasi-snapshot-preview1", + "windows-sys 0.52.0", +] + [[package]] name = "nargo" -version = "0.36.0" +version = "0.38.0" dependencies = [ "acvm", "fm", @@ -2540,7 +2760,7 @@ dependencies = [ [[package]] name = "nargo_cli" -version = "0.36.0" +version = "0.38.0" dependencies = [ "acvm", "ark-bn254", @@ -2551,6 +2771,7 @@ dependencies = [ "build-data", "clap", "clap-markdown", + "clap_complete", "color-eyre", "const_format", "criterion", @@ -2559,6 +2780,7 @@ dependencies = [ "fm", "iai", "iter-extended", + "lazy_static", "light-poseidon", "nargo", "nargo_fmt", @@ -2590,8 +2812,8 @@ dependencies = [ "test-case", "thiserror", "tokio", - "tokio-util 0.7.10", - "toml 0.7.6", + "tokio-util 0.7.12", + "toml 0.7.8", "tower", "tracing-appender", "tracing-subscriber", @@ -2599,18 +2821,18 @@ dependencies = [ [[package]] name = "nargo_fmt" -version = "0.36.0" +version = "0.38.0" dependencies = [ "noirc_frontend", "serde", "similar-asserts", "thiserror", - "toml 0.7.6", + "toml 0.7.8", ] [[package]] name = "nargo_toml" -version = "0.36.0" +version = "0.38.0" dependencies = [ "dirs", "fm", @@ -2620,8 +2842,8 @@ dependencies = [ "semver", "serde", "thiserror", - "toml 0.7.6", - "url 2.5.0", + "toml 0.7.8", + "url 2.5.3", ] [[package]] @@ -2654,7 +2876,7 @@ dependencies = [ "cc", "cfg-if 1.0.0", "libc", - "memoffset 0.6.5", + "memoffset", ] [[package]] @@ -2667,7 +2889,7 @@ dependencies = [ "bitflags 1.3.2", "cfg-if 1.0.0", "libc", - "memoffset 0.6.5", + "memoffset", "pin-utils", ] @@ -2684,7 +2906,7 @@ dependencies = [ [[package]] name = "noir_debugger" -version = "0.36.0" +version = "0.38.0" dependencies = [ "acvm", "assert_cmd", @@ -2708,7 +2930,7 @@ dependencies = [ [[package]] name = "noir_fuzzer" -version = "0.36.0" +version = "0.38.0" dependencies = [ "acvm", "noirc_abi", @@ -2731,7 +2953,7 @@ dependencies = [ [[package]] name = "noir_lsp" -version = "0.36.0" +version = "0.38.0" dependencies = [ "acvm", "async-lsp", @@ -2743,14 +2965,12 @@ dependencies = [ "nargo", "nargo_fmt", "nargo_toml", - "noirc_artifacts", "noirc_driver", "noirc_errors", "noirc_frontend", "rayon", "serde", "serde_json", - "serde_with", "strum", "thiserror", "tokio", @@ -2760,7 +2980,7 @@ dependencies = [ [[package]] name = "noir_profiler" -version = "0.36.0" +version = "0.38.0" dependencies = [ "acir", "bn254_blackbox_solver", @@ -2776,6 +2996,7 @@ dependencies = [ "noirc_artifacts", "noirc_driver", "noirc_errors", + "noirc_evaluator", "serde", "serde_json", "tempfile", @@ -2785,7 +3006,7 @@ dependencies = [ [[package]] name = "noir_wasm" -version = "0.36.0" +version = "0.38.0" dependencies = [ "acvm", "build-data", @@ -2809,7 +3030,7 @@ dependencies = [ [[package]] name = "noirc_abi" -version = "0.36.0" +version = "0.38.0" dependencies = [ "acvm", "iter-extended", @@ -2817,18 +3038,18 @@ dependencies = [ "num-bigint", "num-traits", "proptest", - "proptest-derive", + "proptest-derive 0.4.0", "serde", "serde_json", "strum", "strum_macros", "thiserror", - "toml 0.7.6", + "toml 0.7.8", ] [[package]] name = "noirc_abi_wasm" -version = "0.36.0" +version = "0.38.0" dependencies = [ "acvm", "build-data", @@ -2845,11 +3066,11 @@ dependencies = [ [[package]] name = "noirc_arena" -version = "0.36.0" +version = "0.38.0" [[package]] name = "noirc_artifacts" -version = "0.36.0" +version = "0.38.0" dependencies = [ "acvm", "codespan-reporting", @@ -2864,7 +3085,7 @@ dependencies = [ [[package]] name = "noirc_driver" -version = "0.36.0" +version = "0.38.0" dependencies = [ "acvm", "build-data", @@ -2883,7 +3104,7 @@ dependencies = [ [[package]] name = "noirc_errors" -version = "0.36.0" +version = "0.38.0" dependencies = [ "acvm", "base64 0.21.7", @@ -2900,7 +3121,7 @@ dependencies = [ [[package]] name = "noirc_evaluator" -version = "0.36.0" +version = "0.38.0" dependencies = [ "acvm", "bn254_blackbox_solver", @@ -2912,18 +3133,20 @@ dependencies = [ "noirc_errors", "noirc_frontend", "num-bigint", + "num-traits", "proptest", "rayon", "serde", "serde_json", "serde_with", + "similar-asserts", "thiserror", "tracing", ] [[package]] name = "noirc_frontend" -version = "0.36.0" +version = "0.38.0" dependencies = [ "acvm", "base64 0.21.7", @@ -2938,6 +3161,8 @@ dependencies = [ "num-bigint", "num-traits", "petgraph", + "proptest", + "proptest-derive 0.5.0", "rangemap", "regex", "rustc-hash", @@ -2953,7 +3178,7 @@ dependencies = [ [[package]] name = "noirc_printable_type" -version = "0.36.0" +version = "0.38.0" dependencies = [ "acvm", "iter-extended", @@ -2976,7 +3201,7 @@ version = "6.1.1" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "6205bd8bb1e454ad2e27422015fb5e4f2bcc7e08fa8f27058670d208324a4d2d" dependencies = [ - "bitflags 2.5.0", + "bitflags 2.6.0", "crossbeam-channel", "filetime", "fsevent-sys", @@ -2984,22 +3209,22 @@ dependencies = [ "kqueue", "libc", "log", - "mio", + "mio 0.8.11", "walkdir", "windows-sys 0.48.0", ] [[package]] name = "notify-debouncer-full" -version = "0.3.1" +version = "0.3.2" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "49f5dab59c348b9b50cf7f261960a20e389feb2713636399cd9082cd4b536154" +checksum = "fb7fd166739789c9ff169e654dc1501373db9d80a4c3f972817c8a4d7cf8f34e" dependencies = [ "crossbeam-channel", "file-id", "log", "notify", - "parking_lot 0.12.1", + "parking_lot 0.12.3", "walkdir", ] @@ -3023,6 +3248,12 @@ dependencies = [ "num-traits", ] +[[package]] +name = "num-conv" +version = "0.1.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "51d515d32fb182ee37cda2ccdcb92950d6a3c2893aa280e540671c2cd0f3b1d9" + [[package]] name = "num-format" version = "0.4.4" @@ -3058,7 +3289,7 @@ version = "1.16.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "4161fcb6d602d4d2081af7c3a45852d875a03dd337a6bfdd6e06407b61342a43" dependencies = [ - "hermit-abi", + "hermit-abi 0.3.9", "libc", ] @@ -3070,24 +3301,24 @@ checksum = "b8f8bdf33df195859076e54ab11ee78a1b208382d3a26ec40d142ffc1ecc49ef" [[package]] name = "object" -version = "0.31.1" +version = "0.32.2" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "8bda667d9f2b5051b8833f59f3bf748b28ef54f850f4fcb389a252aa383866d1" +checksum = "a6a622008b6e321afc04970976f62ee297fdbaa6f95318ca343e3eebb9648441" dependencies = [ "memchr", ] [[package]] name = "once_cell" -version = "1.18.0" +version = "1.20.2" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "dd8b5dd2ae5ed71462c540258bedcb51965123ad7e7ccf4b9a8cafaa4a63576d" +checksum = "1261fe7e33c73b354eab43b1273a57c8f967d0391e80353e51f764ac02cf6775" [[package]] name = "oorandom" -version = "11.1.3" +version = "11.1.4" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "0ab1bc2a289d34bd04a330323ac98a1b4bc82c9d9fcb1e66b63caa84da26b575" +checksum = "b410bbe7e14ab526a0e86877eb47c6996a2bd7746f027ba551028c925390e4e9" [[package]] name = "overload" @@ -3134,12 +3365,12 @@ dependencies = [ [[package]] name = "parking_lot" -version = "0.12.1" +version = "0.12.3" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "3742b2c103b9f06bc9fff0a37ff4912935851bee6d36f3c02bcc755bcfec228f" +checksum = "f1bf18183cf54e8d6059647fc3063646a1801cf30896933ec2311622cc4b9a27" dependencies = [ "lock_api", - "parking_lot_core 0.9.8", + "parking_lot_core 0.9.10", ] [[package]] @@ -3158,15 +3389,15 @@ dependencies = [ [[package]] name = "parking_lot_core" -version = "0.9.8" +version = "0.9.10" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "93f00c865fe7cabf650081affecd3871070f26767e7b2070a3ffae14c654b447" +checksum = "1e401f977ab385c9e4e3ab30627d6f26d00e2c73eef317493c4ec6d468726cf8" dependencies = [ "cfg-if 1.0.0", "libc", - "redox_syscall 0.3.5", + "redox_syscall 0.5.7", "smallvec", - "windows-targets 0.48.5", + "windows-targets 0.52.6", ] [[package]] @@ -3201,9 +3432,9 @@ dependencies = [ [[package]] name = "paste" -version = "1.0.14" +version = "1.0.15" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "de3145af08024dea9fa9914f381a17b8fc6034dfb00f3a84013f7ff43f29ed4c" +checksum = "57c0d7b74b563b49d38dae00a0c37d4d6de9b432382b2892f0574ddcae73fd0a" [[package]] name = "percent-encoding" @@ -3219,12 +3450,12 @@ checksum = "e3148f5046208a5d56bcfc03053e3ca6334e51da8dfb19b6cdc8b306fae3283e" [[package]] name = "petgraph" -version = "0.6.4" +version = "0.6.5" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "e1d3afd2628e69da2be385eb6f2fd57c8ac7977ceeff6dc166ff1657b0e386a9" +checksum = "b4c5cc86750666a3ed20bdaf5ca2a0344f9c67674cae0515bec2da16fbaa47db" dependencies = [ "fixedbitset", - "indexmap 2.2.6", + "indexmap 2.6.0", ] [[package]] @@ -3273,9 +3504,9 @@ dependencies = [ [[package]] name = "pin-project-lite" -version = "0.2.13" +version = "0.2.15" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "8afb450f006bf6385ca15ef45d71d2288452bc3683ce2e2cacc0d18e4be60b58" +checksum = "915a1e146535de9163f3987b8944ed8cf49a18bb0056bcebcdcece385cece4ff" [[package]] name = "pin-utils" @@ -3295,15 +3526,15 @@ dependencies = [ [[package]] name = "pkg-config" -version = "0.3.27" +version = "0.3.31" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "26072860ba924cbfa98ea39c8c19b4dd6a4a25423dbdf219c1eca91aa0cf6964" +checksum = "953ec861398dccce10c670dfeaf3ec4911ca479e9c02154b3a215178c5f566f2" [[package]] name = "plotters" -version = "0.3.5" +version = "0.3.6" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "d2c224ba00d7cadd4d5c660deaf2098e5e80e07846537c51f9cfa4be50c1fd45" +checksum = "a15b6eccb8484002195a3e44fe65a4ce8e93a625797a063735536fd59cb01cf3" dependencies = [ "num-traits", "plotters-backend", @@ -3314,19 +3545,25 @@ dependencies = [ [[package]] name = "plotters-backend" -version = "0.3.5" +version = "0.3.7" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "9e76628b4d3a7581389a35d5b6e2139607ad7c75b17aed325f210aa91f4a9609" +checksum = "df42e13c12958a16b3f7f4386b9ab1f3e7933914ecea48da7139435263a4172a" [[package]] name = "plotters-svg" -version = "0.3.5" +version = "0.3.7" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "38f6d39893cca0701371e3c27294f09797214b86f1fb951b89ade8ec04e2abab" +checksum = "51bae2ac328883f7acdfea3d66a7c35751187f870bc81f94563733a154d7a670" dependencies = [ "plotters-backend", ] +[[package]] +name = "powerfmt" +version = "0.2.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "439ee305def115ba05938db6eb1644ff94165c5ab5e9420d1c1bcedbba909391" + [[package]] name = "pprof" version = "0.12.1" @@ -3342,7 +3579,7 @@ dependencies = [ "log", "nix 0.26.4", "once_cell", - "parking_lot 0.12.1", + "parking_lot 0.12.3", "smallvec", "symbolic-demangle", "tempfile", @@ -3364,7 +3601,7 @@ dependencies = [ "log", "nix 0.26.4", "once_cell", - "parking_lot 0.12.1", + "parking_lot 0.12.3", "smallvec", "symbolic-demangle", "tempfile", @@ -3373,9 +3610,12 @@ dependencies = [ [[package]] name = "ppv-lite86" -version = "0.2.17" +version = "0.2.20" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de" +checksum = "77957b295656769bb8ad2b6a6b09d897d94f05c41b069aede1fcdaa675eaea04" +dependencies = [ + "zerocopy", +] [[package]] name = "predicates" @@ -3393,27 +3633,26 @@ dependencies = [ [[package]] name = "predicates" -version = "3.0.3" +version = "3.1.2" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "09963355b9f467184c04017ced4a2ba2d75cbcb4e7462690d388233253d4b1a9" +checksum = "7e9086cc7640c29a356d1a29fd134380bee9d8f79a17410aa76e7ad295f42c97" dependencies = [ "anstyle", "difflib", - "itertools", "predicates-core", ] [[package]] name = "predicates-core" -version = "1.0.6" +version = "1.0.8" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "b794032607612e7abeb4db69adb4e33590fa6cf1149e95fd7cb00e634b92f174" +checksum = "ae8177bee8e75d6846599c6b9ff679ed51e882816914eec639944d7c9aa11931" [[package]] name = "predicates-tree" -version = "1.0.9" +version = "1.0.11" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "368ba315fb8c5052ab692e68a0eefec6ec57b23a36959c14496f0b0df2c0cecf" +checksum = "41b740d195ed3166cd147c8047ec98db0e22ec019eb8eeb76d343b795304fb13" dependencies = [ "predicates-core", "termtree", @@ -3450,28 +3689,28 @@ checksum = "dc375e1527247fe1a97d8b7156678dfe7c1af2fc075c9a4db3690ecd2a148068" [[package]] name = "proc-macro2" -version = "1.0.82" +version = "1.0.89" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "8ad3d49ab951a01fbaafe34f2ec74122942fe18a3f9814c3268f1bb72042131b" +checksum = "f139b0662de085916d1fb67d2b4169d1addddda1919e696f3252b740b629986e" dependencies = [ "unicode-ident", ] [[package]] name = "proptest" -version = "1.4.0" +version = "1.5.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "31b476131c3c86cb68032fdc5cb6d5a1045e3e42d96b69fa599fd77701e1f5bf" +checksum = "b4c2511913b88df1637da85cc8d96ec8e43a3f8bb8ccb71ee1ac240d6f3df58d" dependencies = [ "bit-set", "bit-vec", - "bitflags 2.5.0", + "bitflags 2.6.0", "lazy_static", "num-traits", "rand 0.8.5", "rand_chacha 0.3.1", "rand_xorshift", - "regex-syntax 0.8.2", + "regex-syntax 0.8.5", "rusty-fork", "tempfile", "unarray", @@ -3488,6 +3727,17 @@ dependencies = [ "syn 1.0.109", ] +[[package]] +name = "proptest-derive" +version = "0.5.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "6ff7ff745a347b87471d859a377a9a404361e7efc2a971d73424a6d183c0fc77" +dependencies = [ + "proc-macro2", + "quote", + "syn 2.0.87", +] + [[package]] name = "quick-error" version = "1.2.3" @@ -3505,9 +3755,9 @@ dependencies = [ [[package]] name = "quote" -version = "1.0.36" +version = "1.0.37" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "0fa76aaf39101c457836aec0ce2316dbdc3ab723cdda1c6bd4e6ad4208acaca7" +checksum = "b5b9d34b8991d19d98081b46eacdd8eb58c6f2b201139f7c5f643cc155a633af" dependencies = [ "proc-macro2", ] @@ -3619,9 +3869,9 @@ dependencies = [ [[package]] name = "rangemap" -version = "1.4.0" +version = "1.5.1" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "977b1e897f9d764566891689e642653e5ed90c6895106acd005eb4c1d0203991" +checksum = "f60fcc7d6849342eff22c4350c8b9a989ee8ceabc4b481253e8946b9fe83d684" [[package]] name = "rayon" @@ -3654,20 +3904,20 @@ dependencies = [ [[package]] name = "redox_syscall" -version = "0.3.5" +version = "0.4.1" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "567664f262709473930a4bf9e51bf2ebf3348f2e748ccc50dea20646858f8f29" +checksum = "4722d768eff46b75989dd134e5c353f0d6296e5aaa3132e776cbdb56be7731aa" dependencies = [ "bitflags 1.3.2", ] [[package]] name = "redox_syscall" -version = "0.4.1" +version = "0.5.7" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "4722d768eff46b75989dd134e5c353f0d6296e5aaa3132e776cbdb56be7731aa" +checksum = "9b6dfecf2c74bce2466cabf93f6664d6998a69eb21e39f4207930065b27b771f" dependencies = [ - "bitflags 1.3.2", + "bitflags 2.6.0", ] [[package]] @@ -3678,25 +3928,25 @@ checksum = "20145670ba436b55d91fc92d25e71160fbfbdd57831631c8d7d36377a476f1cb" [[package]] name = "redox_users" -version = "0.4.3" +version = "0.4.6" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "b033d837a7cf162d7993aded9304e30a83213c648b6e389db233191f891e5c2b" +checksum = "ba009ff324d1fc1b900bd1fdb31564febe58a8ccc8a6fdbb93b543d33b13ca43" dependencies = [ "getrandom 0.2.15", - "redox_syscall 0.2.16", + "libredox 0.1.3", "thiserror", ] [[package]] name = "regex" -version = "1.10.3" +version = "1.11.1" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "b62dbe01f0b06f9d8dc7d49e05a0785f153b00b2c227856282f671e0318c9b15" +checksum = "b544ef1b4eac5dc2db33ea63606ae9ffcfac26c1416a2806ae0bf5f56b201191" dependencies = [ "aho-corasick", "memchr", - "regex-automata 0.4.7", - "regex-syntax 0.8.2", + "regex-automata 0.4.8", + "regex-syntax 0.8.5", ] [[package]] @@ -3710,19 +3960,13 @@ dependencies = [ [[package]] name = "regex-automata" -version = "0.3.9" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "59b23e92ee4318893fa3fe3e6fb365258efbfe6ac6ab30f090cdcbb7aa37efa9" - -[[package]] -name = "regex-automata" -version = "0.4.7" +version = "0.4.8" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "38caf58cc5ef2fed281f89292ef23f6365465ed9a41b7a7754eb4e26496c92df" +checksum = "368758f23274712b504848e9d5a6f010445cc8b87a7cdb4d7cbee666c1288da3" dependencies = [ "aho-corasick", "memchr", - "regex-syntax 0.8.2", + "regex-syntax 0.8.5", ] [[package]] @@ -3733,9 +3977,9 @@ checksum = "f162c6dd7b008981e4d40210aca20b4bd0f9b60ca9271061b07f78537722f2e1" [[package]] name = "regex-syntax" -version = "0.8.2" +version = "0.8.5" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "c08c74e62047bb2de4ff487b251e4a92e24f48745648451635cec7d591162d9f" +checksum = "2b15c43186be67a4fd63bee50d0303afffcef381492ebe2c5d87f324e1b8815c" [[package]] name = "rexpect" @@ -3763,9 +4007,9 @@ dependencies = [ [[package]] name = "rgb" -version = "0.8.36" +version = "0.8.50" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "20ec2d3e3fc7a92ced357df9cebd5a10b6fb2aa1ee797bf7e9ce2f17dffc8f59" +checksum = "57397d16646700483b67d2dd6511d79318f9d057fdbd21a4066aeac8b41d310a" dependencies = [ "bytemuck", ] @@ -3790,7 +4034,7 @@ dependencies = [ "proc-macro2", "quote", "rust-embed-utils", - "syn 2.0.64", + "syn 2.0.87", "walkdir", ] @@ -3806,9 +4050,9 @@ dependencies = [ [[package]] name = "rustc-demangle" -version = "0.1.23" +version = "0.1.24" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "d626bb9dae77e28219937af045c257c28bfd3f69333c512553507f5f9798cb76" +checksum = "719b953e2095829ee67db738b3bfa9fa368c94900df327b3f07fe6e794d2fe1f" [[package]] name = "rustc-hash" @@ -3818,20 +4062,20 @@ checksum = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2" [[package]] 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[[package]] name = "serde_with_macros" -version = "3.2.0" +version = "3.11.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "9197f1ad0e3c173a0222d3c4404fb04c3afe87e962bcb327af73e8301fa203c7" +checksum = "9d846214a9854ef724f3da161b426242d8de7c1fc7de2f89bb1efcb154dca79d" dependencies = [ "darling", "proc-macro2", "quote", - "syn 2.0.64", + "syn 2.0.87", ] [[package]] name = "sha2" -version = "0.10.7" +version = "0.10.8" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "479fb9d862239e610720565ca91403019f2f00410f1864c5aa7479b950a76ed8" +checksum = "793db75ad2bcafc3ffa7c68b215fee268f537982cd901d132f89c6343f3a3dc8" dependencies = [ "cfg-if 1.0.0", "cpufeatures", @@ -4130,9 +4376,9 @@ dependencies = [ [[package]] name = "sharded-slab" -version = "0.1.4" +version = "0.1.7" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "900fba806f70c630b0a382d0d825e17a0f19fcd059a2ade1ff237bcddf446b31" +checksum = "f40ca3c46823713e0d4209592e8d6e826aa57e928f09752619fc696c499637f6" dependencies = [ "lazy_static", ] @@ -4143,6 +4389,12 @@ version = "1.1.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "24188a676b6ae68c3b2cb3a01be17fbf7240ce009799bb56d5b1409051e78fde" +[[package]] +name = "shlex" +version = "1.3.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "0fda2ff0d084019ba4d7c6f371c95d8fd75ce3524c3cb8fb653a3023f6323e64" + [[package]] name = "signature" version = "1.6.4" @@ -4155,19 +4407,19 @@ dependencies = [ [[package]] name = "similar" -version = "2.3.0" +version = "2.6.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "2aeaf503862c419d66959f5d7ca015337d864e9c49485d771b732e2a20453597" +checksum = "1de1d4f81173b03af4c0cbed3c898f6bff5b870e4a7f5d6f4057d62a7a4b686e" dependencies = [ - "bstr 0.2.17", + "bstr", "unicode-segmentation", ] [[package]] name = "similar-asserts" -version = "1.5.0" +version = 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0.48.0", + "windows-sys 0.52.0", ] [[package]] name = "spin" -version = "0.5.2" +version = "0.9.8" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "6e63cff320ae2c57904679ba7cb63280a3dc4613885beafb148ee7bf9aa9042d" +checksum = "6980e8d7511241f8acf4aebddbb1ff938df5eebe98691418c4468d0b72a96a67" [[package]] name = "spki" @@ -4280,9 +4532,9 @@ checksum = "9091b6114800a5f2141aee1d1b9d6ca3592ac062dc5decb3764ec5895a47b4eb" [[package]] name = "strsim" -version = "0.10.0" +version = "0.11.1" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623" +checksum = "7da8b5736845d9f2fcb837ea5d9e2628564b3b043a70948a3f0b778838c5fb4f" [[package]] name = "strum" @@ -4305,15 +4557,15 @@ dependencies = [ [[package]] name = "subtle" -version = "2.5.0" +version = "2.6.1" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "81cdd64d312baedb58e21336b31bc043b77e01cc99033ce76ef539f78e965ebc" +checksum = "13c2bddecc57b384dee18652358fb23172facb8a2c51ccc10d74c157bdea3292" [[package]] name = "symbolic-common" -version = "12.3.0" +version = "12.12.1" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "167a4ffd7c35c143fd1030aa3c2caf76ba42220bd5a6b5f4781896434723b8c3" +checksum = "3d4d73159efebfb389d819fd479afb2dbd57dcb3e3f4b7fcfa0e675f5a46c1cb" dependencies = [ "debugid", "memmap2", @@ -4323,9 +4575,9 @@ dependencies = [ [[package]] name = "symbolic-demangle" -version = "12.3.0" +version = "12.12.1" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "e378c50e80686c1c5c205674e1f86a2858bec3d2a7dfdd690331a8a19330f293" +checksum = "a767859f6549c665011970874c3f541838b4835d5aaaa493d3ee383918be9f10" dependencies = [ "cpp_demangle", "rustc-demangle", @@ -4345,15 +4597,26 @@ dependencies = [ [[package]] name = "syn" -version = "2.0.64" +version = "2.0.87" source = 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"cfg-if 1.0.0", "fastrand", - "redox_syscall 0.3.5", + "once_cell", "rustix", - "windows-sys 0.48.0", + "windows-sys 0.59.0", ] [[package]] @@ -4386,9 +4649,9 @@ dependencies = [ [[package]] name = "termcolor" -version = "1.2.0" +version = "1.4.1" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "be55cf8942feac5c765c2c993422806843c9a9a45d4d5c407ad6dd2ea95eb9b6" +checksum = "06794f8f6c5c898b3275aebefa6b8a1cb24cd2c6c79397ab15774837a0bc5755" dependencies = [ "winapi-util", ] @@ -4400,7 +4663,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "417813675a504dfbbf21bfde32c03e5bf9f2413999962b479023c02848c1c7a5" dependencies = [ "libc", - "libredox", + "libredox 0.0.2", "numtoa", "redox_termios", ] @@ -4442,7 +4705,7 @@ dependencies = [ "cfg-if 1.0.0", "proc-macro2", "quote", - "syn 2.0.64", + "syn 2.0.87", ] [[package]] @@ -4453,7 +4716,7 @@ checksum = "5c89e72a01ed4c579669add59014b9a524d609c0c88c6a585ce37485879f6ffb" dependencies = [ "proc-macro2", "quote", - "syn 2.0.64", + "syn 2.0.87", "test-case-core", ] @@ -4480,29 +4743,29 @@ dependencies = [ [[package]] name = "thiserror" -version = "1.0.43" +version = "1.0.68" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "a35fc5b8971143ca348fa6df4f024d4d55264f3468c71ad1c2f365b0a4d58c42" +checksum = "02dd99dc800bbb97186339685293e1cc5d9df1f8fae2d0aecd9ff1c77efea892" dependencies = [ "thiserror-impl", ] [[package]] name = "thiserror-impl" -version = "1.0.43" +version = "1.0.68" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "463fe12d7993d3b327787537ce8dd4dfa058de32fc2b195ef3cde03dc4771e8f" +checksum = "a7c61ec9a6f64d2793d8a45faba21efbe3ced62a886d44c36a009b2b519b4c7e" dependencies = [ "proc-macro2", "quote", - "syn 2.0.64", + "syn 2.0.87", ] [[package]] name = "thread_local" -version = "1.1.7" +version = "1.1.8" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = 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[[package]] name = "typenum" -version = "1.16.0" +version = "1.17.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "497961ef93d974e23eb6f433eb5fe1b7930b659f06d12dec6fc44a8f554c0bba" +checksum = "42ff0bf0c66b8238c6f3b578df37d0b7848e55df8577b3f74f92a69acceeb825" [[package]] name = "unarray" @@ -4820,24 +5095,21 @@ checksum = "eaea85b334db583fe3274d12b4cd1880032beab409c0d774be044d4480ab9a94" [[package]] name = "unicase" -version = "2.7.0" +version = "2.8.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "f7d2d4dafb69621809a81864c9c1b864479e1235c0dd4e199924b9742439ed89" -dependencies = [ - "version_check", -] +checksum = "7e51b68083f157f853b6379db119d1c1be0e6e4dec98101079dec41f6f5cf6df" [[package]] name = "unicode-bidi" -version = "0.3.13" +version = "0.3.17" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "92888ba5573ff080736b3648696b70cafad7d250551175acbaa4e0385b3e1460" +checksum = 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dependencies = [ "proc-macro2", "quote", - "syn 2.0.64", + "syn 2.0.87", +] + +[[package]] +name = "zerovec" +version = "0.10.4" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "aa2b893d79df23bfb12d5461018d408ea19dfafe76c2c7ef6d4eba614f8ff079" +dependencies = [ + "yoke", + "zerofrom", + "zerovec-derive", +] + +[[package]] +name = "zerovec-derive" +version = "0.10.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "6eafa6dfb17584ea3e2bd6e76e0cc15ad7af12b09abdd1ca55961bed9b1063c6" +dependencies = [ + "proc-macro2", + "quote", + "syn 2.0.87", ] [[package]] diff --git a/noir/noir-repo/Cargo.toml b/noir/noir-repo/Cargo.toml index 222e7dce859..214ed9a5bcb 100644 --- a/noir/noir-repo/Cargo.toml +++ b/noir/noir-repo/Cargo.toml @@ -40,7 +40,7 @@ resolver = "2" [workspace.package] # x-release-please-start-version -version = "0.36.0" +version = "0.38.0" # x-release-please-end authors = ["The Noir Team "] edition = "2021" @@ -57,13 +57,13 @@ unused_qualifications = "warn" [workspace.dependencies] # ACVM workspace dependencies -acir_field = { version = "0.52.0", path = "acvm-repo/acir_field", default-features = false } -acir = { version = "0.52.0", path = "acvm-repo/acir", default-features = false } -acvm = { version = "0.52.0", path = "acvm-repo/acvm" } -brillig = { version = "0.52.0", path = "acvm-repo/brillig", default-features = false } -brillig_vm = { version = "0.52.0", path = "acvm-repo/brillig_vm", default-features = false } -acvm_blackbox_solver = { version = "0.52.0", path = "acvm-repo/blackbox_solver", default-features = false } -bn254_blackbox_solver = { version = "0.52.0", path = "acvm-repo/bn254_blackbox_solver", default-features = false } +acir_field = { version = "0.54.0", path = "acvm-repo/acir_field", default-features = false } +acir = { version = "0.54.0", path = "acvm-repo/acir", default-features = false } +acvm = { version = "0.54.0", path = "acvm-repo/acvm" } +brillig = { version = "0.54.0", path = "acvm-repo/brillig", default-features = false } +brillig_vm = { version = "0.54.0", path = "acvm-repo/brillig_vm", default-features = false } +acvm_blackbox_solver = { version = "0.54.0", path = "acvm-repo/blackbox_solver", default-features = false } +bn254_blackbox_solver = { version = "0.54.0", path = "acvm-repo/bn254_blackbox_solver", default-features = false } # Noir compiler workspace dependencies fm = { path = "compiler/fm" } @@ -142,6 +142,7 @@ build-data = "0.1.3" bincode = "1.3.3" hex = "0.4.2" const_format = "0.2.30" +lazy_static = "1.4" num-bigint = "0.4" num-traits = "0.2" similar-asserts = "1.5.0" diff --git a/noir/noir-repo/README.md b/noir/noir-repo/README.md index eea2280c50c..7f5cd5ce522 100644 --- a/noir/noir-repo/README.md +++ b/noir/noir-repo/README.md @@ -43,7 +43,7 @@ Noir is free and open source. It is distributed under a dual license. (MIT/APACH Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in this repository by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions. [Noir]: https://www.noir-lang.org/ -[Getting Started]: https://noir-lang.org/docs/getting_started/installation/ +[Getting Started]: https://noir-lang.org/docs/getting_started/quick_start/ [Forum]: https://forum.aztec.network/c/noir [Discord]: https://discord.gg/JtqzkdeQ6G [Documentation]: https://noir-lang.org/docs diff --git a/noir/noir-repo/acvm-repo/CHANGELOG.md b/noir/noir-repo/acvm-repo/CHANGELOG.md index 2cdb21a1d65..919653c0eba 100644 --- a/noir/noir-repo/acvm-repo/CHANGELOG.md +++ b/noir/noir-repo/acvm-repo/CHANGELOG.md @@ -5,6 +5,253 @@ All notable changes to this project will be documented in this file. The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/), and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html). +## [0.54.0](https://github.com/noir-lang/noir/compare/v0.53.0...v0.54.0) (2024-11-08) + + +### ⚠ BREAKING CHANGES + +* **avm/brillig:** revert/rethrow oracle (https://github.com/AztecProtocol/aztec-packages/pull/9408) +* use Brillig opcode when possible for less-than operations on fields (https://github.com/AztecProtocol/aztec-packages/pull/9416) +* remove noir_js_backend_barretenberg (https://github.com/AztecProtocol/aztec-packages/pull/9338) +* replace usage of vector in keccakf1600 input with array (https://github.com/AztecProtocol/aztec-packages/pull/9350) +* **profiler:** New flamegraph command that profiles the opcodes executed ([#6327](https://github.com/noir-lang/noir/issues/6327)) +* remove pedersen commitment (https://github.com/AztecProtocol/aztec-packages/pull/9107) +* remove pedersen hash opcode (https://github.com/AztecProtocol/aztec-packages/pull/9245) +* Brillig and AVM default all uninitialized memory cells to Field 0 (https://github.com/AztecProtocol/aztec-packages/pull/9057) +* remove keccak256 opcode from ACIR/Brillig (https://github.com/AztecProtocol/aztec-packages/pull/9104) +* Brillig with a stack and conditional inlining (https://github.com/AztecProtocol/aztec-packages/pull/8989) +* **avm:** remove CMOV opcode (https://github.com/AztecProtocol/aztec-packages/pull/9030) +* remove sha256 opcode (https://github.com/AztecProtocol/aztec-packages/pull/4571) +* add support for u1 in the avm, ToRadix's radix arg is a memory addr (https://github.com/AztecProtocol/aztec-packages/pull/8570) +* Add Not instruction in brillig (https://github.com/AztecProtocol/aztec-packages/pull/8488) +* **avm:** variants for SET opcode (https://github.com/AztecProtocol/aztec-packages/pull/8441) +* **avm/brillig:** take addresses in calldatacopy (https://github.com/AztecProtocol/aztec-packages/pull/8388) + +### Features + +* (bb) 128-bit challenges (https://github.com/AztecProtocol/aztec-packages/pull/8406) ([3c3ed1e](https://github.com/noir-lang/noir/commit/3c3ed1e3d28946a02071c524dd128afe131bc3da)) +* **acir_gen:** Width aware ACIR gen addition ([#5493](https://github.com/noir-lang/noir/issues/5493)) ([85fa592](https://github.com/noir-lang/noir/commit/85fa592fdef3b8589ce03b232e1b51565837b540)) +* Add assertions for ACVM `FunctionInput` `bit_size` ([#5864](https://github.com/noir-lang/noir/issues/5864)) ([8712f4c](https://github.com/noir-lang/noir/commit/8712f4c20d23f3809bcfb03f2e3ba0e5ace20a1d)) +* Add Not instruction in brillig (https://github.com/AztecProtocol/aztec-packages/pull/8488) ([95e19ab](https://github.com/noir-lang/noir/commit/95e19ab9486ad054241b6e53e40e55bdba9dc7e5)) +* Add recursive aggregation object to proving/verification keys (https://github.com/AztecProtocol/aztec-packages/pull/6770) ([4ea25db](https://github.com/noir-lang/noir/commit/4ea25dbde87488e758139619a3ce4edf93c6ebd6)) +* Add reusable procedures to brillig generation (https://github.com/AztecProtocol/aztec-packages/pull/7981) ([5c4f19f](https://github.com/noir-lang/noir/commit/5c4f19f097dd3704522996330c961bf0a2db8d99)) +* Add support for u1 in the avm, ToRadix's radix arg is a memory addr (https://github.com/AztecProtocol/aztec-packages/pull/8570) ([e8bbce7](https://github.com/noir-lang/noir/commit/e8bbce71fde3fc7af410c30920c2a547389d8248)) +* Added indirect const instruction (https://github.com/AztecProtocol/aztec-packages/pull/8065) ([5c4f19f](https://github.com/noir-lang/noir/commit/5c4f19f097dd3704522996330c961bf0a2db8d99)) +* Adding aggregation to honk and rollup (https://github.com/AztecProtocol/aztec-packages/pull/7466) ([4ea25db](https://github.com/noir-lang/noir/commit/4ea25dbde87488e758139619a3ce4edf93c6ebd6)) +* Automate verify_honk_proof input generation (https://github.com/AztecProtocol/aztec-packages/pull/8092) ([5c4f19f](https://github.com/noir-lang/noir/commit/5c4f19f097dd3704522996330c961bf0a2db8d99)) +* **avm/brillig:** Revert/rethrow oracle (https://github.com/AztecProtocol/aztec-packages/pull/9408) ([321a493](https://github.com/noir-lang/noir/commit/321a493216e19a2f077007c3447a3030db0df0d0)) +* **avm/brillig:** Take addresses in calldatacopy (https://github.com/AztecProtocol/aztec-packages/pull/8388) ([3c3ed1e](https://github.com/noir-lang/noir/commit/3c3ed1e3d28946a02071c524dd128afe131bc3da)) +* **avm:** Variants for SET opcode (https://github.com/AztecProtocol/aztec-packages/pull/8441) ([3c3ed1e](https://github.com/noir-lang/noir/commit/3c3ed1e3d28946a02071c524dd128afe131bc3da)) +* Avoid heap allocs when going to/from field (https://github.com/AztecProtocol/aztec-packages/pull/7547) ([daad75c](https://github.com/noir-lang/noir/commit/daad75c26d19ae707b90a7424b77dab9937e8575)) +* Brillig and AVM default all uninitialized memory cells to Field 0 (https://github.com/AztecProtocol/aztec-packages/pull/9057) ([70dcf4a](https://github.com/noir-lang/noir/commit/70dcf4a25dcad10daeb427f0887d3a0bf10c9916)) +* Brillig with a stack and conditional inlining (https://github.com/AztecProtocol/aztec-packages/pull/8989) ([70dcf4a](https://github.com/noir-lang/noir/commit/70dcf4a25dcad10daeb427f0887d3a0bf10c9916)) +* Change the layout of arrays and vectors to be a single pointer (https://github.com/AztecProtocol/aztec-packages/pull/8448) ([d4832ec](https://github.com/noir-lang/noir/commit/d4832ece9d3ad16544afea49cc7caf40501a2cc3)) +* Ensure that generated ACIR is solvable ([#6415](https://github.com/noir-lang/noir/issues/6415)) ([b473d99](https://github.com/noir-lang/noir/commit/b473d99b2b70b595596b8392617256dbaf5d5642)) +* Hook up secondary calldata column in dsl (https://github.com/AztecProtocol/aztec-packages/pull/7759) ([4ea25db](https://github.com/noir-lang/noir/commit/4ea25dbde87488e758139619a3ce4edf93c6ebd6)) +* Integrate databus in the private kernels (https://github.com/AztecProtocol/aztec-packages/pull/9028) ([70dcf4a](https://github.com/noir-lang/noir/commit/70dcf4a25dcad10daeb427f0887d3a0bf10c9916)) +* Integrate new proving systems in e2e (https://github.com/AztecProtocol/aztec-packages/pull/6971) ([daad75c](https://github.com/noir-lang/noir/commit/daad75c26d19ae707b90a7424b77dab9937e8575)) +* Make Brillig do integer arithmetic operations using u128 instead of Bigint (https://github.com/AztecProtocol/aztec-packages/pull/7518) ([daad75c](https://github.com/noir-lang/noir/commit/daad75c26d19ae707b90a7424b77dab9937e8575)) +* Make token transfer be recursive (https://github.com/AztecProtocol/aztec-packages/pull/7730) ([4ea25db](https://github.com/noir-lang/noir/commit/4ea25dbde87488e758139619a3ce4edf93c6ebd6)) +* New test programs for wasm benchmarking (https://github.com/AztecProtocol/aztec-packages/pull/8389) ([95e19ab](https://github.com/noir-lang/noir/commit/95e19ab9486ad054241b6e53e40e55bdba9dc7e5)) +* Note hashes as points (https://github.com/AztecProtocol/aztec-packages/pull/7618) ([4ea25db](https://github.com/noir-lang/noir/commit/4ea25dbde87488e758139619a3ce4edf93c6ebd6)) +* Optimize allocating immediate amounts of memory (https://github.com/AztecProtocol/aztec-packages/pull/8579) ([e8bbce7](https://github.com/noir-lang/noir/commit/e8bbce71fde3fc7af410c30920c2a547389d8248)) +* Optimize constant array handling in brillig_gen (https://github.com/AztecProtocol/aztec-packages/pull/7661) ([4ea25db](https://github.com/noir-lang/noir/commit/4ea25dbde87488e758139619a3ce4edf93c6ebd6)) +* Optimize to_radix (https://github.com/AztecProtocol/aztec-packages/pull/8073) ([5c4f19f](https://github.com/noir-lang/noir/commit/5c4f19f097dd3704522996330c961bf0a2db8d99)) +* Pass calldata ids to the backend (https://github.com/AztecProtocol/aztec-packages/pull/7875) ([4ea25db](https://github.com/noir-lang/noir/commit/4ea25dbde87488e758139619a3ce4edf93c6ebd6)) +* Poseidon2 gates for Ultra arithmetisation (https://github.com/AztecProtocol/aztec-packages/pull/7494) ([5c4f19f](https://github.com/noir-lang/noir/commit/5c4f19f097dd3704522996330c961bf0a2db8d99)) +* **profiler:** Add support for brillig functions in opcodes-flamegraph (https://github.com/AztecProtocol/aztec-packages/pull/7698) ([4ea25db](https://github.com/noir-lang/noir/commit/4ea25dbde87488e758139619a3ce4edf93c6ebd6)) +* **profiler:** New flamegraph command that profiles the opcodes executed ([#6327](https://github.com/noir-lang/noir/issues/6327)) ([4d87c9a](https://github.com/noir-lang/noir/commit/4d87c9ac78b48b4bd0ae81316df28aab390d004e)) +* Remove 'single use' intermediate variables ([#6268](https://github.com/noir-lang/noir/issues/6268)) ([ec75e8e](https://github.com/noir-lang/noir/commit/ec75e8ec59e0f2a2169aea67372411ede4074d09)) +* Remove sha256 opcode (https://github.com/AztecProtocol/aztec-packages/pull/4571) ([e8bbce7](https://github.com/noir-lang/noir/commit/e8bbce71fde3fc7af410c30920c2a547389d8248)) +* Removing superfluous call to MSM (https://github.com/AztecProtocol/aztec-packages/pull/7708) ([4ea25db](https://github.com/noir-lang/noir/commit/4ea25dbde87488e758139619a3ce4edf93c6ebd6)) +* Report gates and VKs of private protocol circuits with megahonk (https://github.com/AztecProtocol/aztec-packages/pull/7722) ([4ea25db](https://github.com/noir-lang/noir/commit/4ea25dbde87488e758139619a3ce4edf93c6ebd6)) +* Simplify constant calls to `poseidon2_permutation`, `schnorr_verify` and `embedded_curve_add` ([#5140](https://github.com/noir-lang/noir/issues/5140)) ([2823ba7](https://github.com/noir-lang/noir/commit/2823ba7242db788ca1d7f6e7a48be2f1de62f278)) +* Small optimization in toradix (https://github.com/AztecProtocol/aztec-packages/pull/8040) ([5c4f19f](https://github.com/noir-lang/noir/commit/5c4f19f097dd3704522996330c961bf0a2db8d99)) +* Sync from noir (https://github.com/AztecProtocol/aztec-packages/pull/7432) ([daad75c](https://github.com/noir-lang/noir/commit/daad75c26d19ae707b90a7424b77dab9937e8575)) +* Sync from noir (https://github.com/AztecProtocol/aztec-packages/pull/7444) ([daad75c](https://github.com/noir-lang/noir/commit/daad75c26d19ae707b90a7424b77dab9937e8575)) +* Sync from noir (https://github.com/AztecProtocol/aztec-packages/pull/7454) ([daad75c](https://github.com/noir-lang/noir/commit/daad75c26d19ae707b90a7424b77dab9937e8575)) +* Sync from noir (https://github.com/AztecProtocol/aztec-packages/pull/7512) ([daad75c](https://github.com/noir-lang/noir/commit/daad75c26d19ae707b90a7424b77dab9937e8575)) +* Sync from noir (https://github.com/AztecProtocol/aztec-packages/pull/7577) ([daad75c](https://github.com/noir-lang/noir/commit/daad75c26d19ae707b90a7424b77dab9937e8575)) +* Sync from noir (https://github.com/AztecProtocol/aztec-packages/pull/7583) ([daad75c](https://github.com/noir-lang/noir/commit/daad75c26d19ae707b90a7424b77dab9937e8575)) +* Sync from noir (https://github.com/AztecProtocol/aztec-packages/pull/7743) ([4ea25db](https://github.com/noir-lang/noir/commit/4ea25dbde87488e758139619a3ce4edf93c6ebd6)) +* Sync from noir (https://github.com/AztecProtocol/aztec-packages/pull/7862) ([4ea25db](https://github.com/noir-lang/noir/commit/4ea25dbde87488e758139619a3ce4edf93c6ebd6)) +* Sync from noir (https://github.com/AztecProtocol/aztec-packages/pull/7945) ([4ea25db](https://github.com/noir-lang/noir/commit/4ea25dbde87488e758139619a3ce4edf93c6ebd6)) +* Sync from noir (https://github.com/AztecProtocol/aztec-packages/pull/7958) ([5c4f19f](https://github.com/noir-lang/noir/commit/5c4f19f097dd3704522996330c961bf0a2db8d99)) +* Sync from noir (https://github.com/AztecProtocol/aztec-packages/pull/8008) ([5c4f19f](https://github.com/noir-lang/noir/commit/5c4f19f097dd3704522996330c961bf0a2db8d99)) +* Sync from noir (https://github.com/AztecProtocol/aztec-packages/pull/8093) ([5c4f19f](https://github.com/noir-lang/noir/commit/5c4f19f097dd3704522996330c961bf0a2db8d99)) +* Sync from noir (https://github.com/AztecProtocol/aztec-packages/pull/8125) ([f0c2686](https://github.com/noir-lang/noir/commit/f0c268606a71381ab4504396695a0adb9b3258b6)) +* Sync from noir (https://github.com/AztecProtocol/aztec-packages/pull/8237) ([f0c2686](https://github.com/noir-lang/noir/commit/f0c268606a71381ab4504396695a0adb9b3258b6)) +* Sync from noir (https://github.com/AztecProtocol/aztec-packages/pull/8423) ([3c3ed1e](https://github.com/noir-lang/noir/commit/3c3ed1e3d28946a02071c524dd128afe131bc3da)) +* Sync from noir (https://github.com/AztecProtocol/aztec-packages/pull/8435) ([3c3ed1e](https://github.com/noir-lang/noir/commit/3c3ed1e3d28946a02071c524dd128afe131bc3da)) +* Sync from noir (https://github.com/AztecProtocol/aztec-packages/pull/8466) ([3c3ed1e](https://github.com/noir-lang/noir/commit/3c3ed1e3d28946a02071c524dd128afe131bc3da)) +* Sync from noir (https://github.com/AztecProtocol/aztec-packages/pull/8482) ([d4832ec](https://github.com/noir-lang/noir/commit/d4832ece9d3ad16544afea49cc7caf40501a2cc3)) +* Sync from noir (https://github.com/AztecProtocol/aztec-packages/pull/8512) ([95e19ab](https://github.com/noir-lang/noir/commit/95e19ab9486ad054241b6e53e40e55bdba9dc7e5)) +* Sync from noir (https://github.com/AztecProtocol/aztec-packages/pull/8526) ([95e19ab](https://github.com/noir-lang/noir/commit/95e19ab9486ad054241b6e53e40e55bdba9dc7e5)) +* Sync from noir (https://github.com/AztecProtocol/aztec-packages/pull/8934) ([70dcf4a](https://github.com/noir-lang/noir/commit/70dcf4a25dcad10daeb427f0887d3a0bf10c9916)) +* Sync from noir (https://github.com/AztecProtocol/aztec-packages/pull/9034) ([70dcf4a](https://github.com/noir-lang/noir/commit/70dcf4a25dcad10daeb427f0887d3a0bf10c9916)) +* Sync from noir (https://github.com/AztecProtocol/aztec-packages/pull/9099) ([70dcf4a](https://github.com/noir-lang/noir/commit/70dcf4a25dcad10daeb427f0887d3a0bf10c9916)) +* Sync from noir (https://github.com/AztecProtocol/aztec-packages/pull/9275) ([70dcf4a](https://github.com/noir-lang/noir/commit/70dcf4a25dcad10daeb427f0887d3a0bf10c9916)) +* **test:** Fuzz test poseidon2 hash equivalence ([#6265](https://github.com/noir-lang/noir/issues/6265)) ([f61ba03](https://github.com/noir-lang/noir/commit/f61ba037c6726e19be4f894d9447fe396df95417)) +* **test:** Fuzz test stdlib hash functions ([#6233](https://github.com/noir-lang/noir/issues/6233)) ([1a2ca46](https://github.com/noir-lang/noir/commit/1a2ca46af0d1c05813dbe28670a2bc39b79e4c9f)) +* TXE nr deployments, dependency cleanup for CLI (https://github.com/AztecProtocol/aztec-packages/pull/7548) ([4ea25db](https://github.com/noir-lang/noir/commit/4ea25dbde87488e758139619a3ce4edf93c6ebd6)) +* Typing return values of embedded_curve_ops (https://github.com/AztecProtocol/aztec-packages/pull/7413) ([daad75c](https://github.com/noir-lang/noir/commit/daad75c26d19ae707b90a7424b77dab9937e8575)) +* Unify all acir recursion constraints based on RecursionConstraint and proof_type (https://github.com/AztecProtocol/aztec-packages/pull/7993) ([5c4f19f](https://github.com/noir-lang/noir/commit/5c4f19f097dd3704522996330c961bf0a2db8d99)) + + +### Bug Fixes + +* Add trailing extra arguments for backend in gates_flamegraph (https://github.com/AztecProtocol/aztec-packages/pull/7472) ([daad75c](https://github.com/noir-lang/noir/commit/daad75c26d19ae707b90a7424b77dab9937e8575)) +* **debugger:** Update the debugger to handle the new Brillig debug metadata format ([#5706](https://github.com/noir-lang/noir/issues/5706)) ([a31f82e](https://github.com/noir-lang/noir/commit/a31f82e598def60d00c65b79b8c5411f8aa832aa)) +* Deflatten databus visibilities (https://github.com/AztecProtocol/aztec-packages/pull/7761) ([4ea25db](https://github.com/noir-lang/noir/commit/4ea25dbde87488e758139619a3ce4edf93c6ebd6)) +* Discard optimisation that would change execution ordering or that is related to call outputs ([#6461](https://github.com/noir-lang/noir/issues/6461)) ([b8654f7](https://github.com/noir-lang/noir/commit/b8654f700b218cc09c5381af65df11ead9ffcdaf)) +* Display every bit in integer tokens ([#6360](https://github.com/noir-lang/noir/issues/6360)) ([b985fdf](https://github.com/noir-lang/noir/commit/b985fdf6e635570b8db3af83d9ec14e7cd749062)) +* Do not duplicate redundant Brillig debug metadata ([#5696](https://github.com/noir-lang/noir/issues/5696)) ([e4f7dbe](https://github.com/noir-lang/noir/commit/e4f7dbe63b55807b3ff0b4d6f47a8b7f847299fb)) +* Export brillig names in contract functions (https://github.com/AztecProtocol/aztec-packages/pull/8212) ([f0c2686](https://github.com/noir-lang/noir/commit/f0c268606a71381ab4504396695a0adb9b3258b6)) +* Handle multiple entry points for Brillig call stack resolution after metadata deduplication ([#5788](https://github.com/noir-lang/noir/issues/5788)) ([38fe9dd](https://github.com/noir-lang/noir/commit/38fe9dda111952fdb894df90a319c087382edfc9)) +* Homogeneous input points for EC ADD ([#6241](https://github.com/noir-lang/noir/issues/6241)) ([f6a7306](https://github.com/noir-lang/noir/commit/f6a7306436ea1a37ec7f3b884721b50467e9a063)) +* Reject invalid expression with in CLI parser ([#6287](https://github.com/noir-lang/noir/issues/6287)) ([052aee8](https://github.com/noir-lang/noir/commit/052aee80ff3e1e4fd2ca45310d7bb8b980af126a)) +* Remove need for duplicate attributes on each function (https://github.com/AztecProtocol/aztec-packages/pull/9244) ([70dcf4a](https://github.com/noir-lang/noir/commit/70dcf4a25dcad10daeb427f0887d3a0bf10c9916)) +* Restrict keccak256_injective test input to 8 bits ([#5977](https://github.com/noir-lang/noir/issues/5977)) ([a1b1346](https://github.com/noir-lang/noir/commit/a1b1346bf7525c508fd390393c307475cc2345d7)) +* Revert "feat: Sync from noir (https://github.com/AztecProtocol/aztec-packages/pull/7512)" (https://github.com/AztecProtocol/aztec-packages/pull/7558) ([daad75c](https://github.com/noir-lang/noir/commit/daad75c26d19ae707b90a7424b77dab9937e8575)) +* **tests:** Prevent EOF error while running test programs ([#6455](https://github.com/noir-lang/noir/issues/6455)) ([358e381](https://github.com/noir-lang/noir/commit/358e38107edbc4f40c97b88196456d82f5557e3f)) + + +### Miscellaneous Chores + +* Remove keccak256 opcode from ACIR/Brillig (https://github.com/AztecProtocol/aztec-packages/pull/9104) ([70dcf4a](https://github.com/noir-lang/noir/commit/70dcf4a25dcad10daeb427f0887d3a0bf10c9916)) +* Remove noir_js_backend_barretenberg (https://github.com/AztecProtocol/aztec-packages/pull/9338) ([3925228](https://github.com/noir-lang/noir/commit/392522880e102e275ebcf42f16651a8ffa0bbbd2)) +* Remove pedersen commitment (https://github.com/AztecProtocol/aztec-packages/pull/9107) ([70dcf4a](https://github.com/noir-lang/noir/commit/70dcf4a25dcad10daeb427f0887d3a0bf10c9916)) +* Remove pedersen hash opcode (https://github.com/AztecProtocol/aztec-packages/pull/9245) ([70dcf4a](https://github.com/noir-lang/noir/commit/70dcf4a25dcad10daeb427f0887d3a0bf10c9916)) +* Replace usage of vector in keccakf1600 input with array (https://github.com/AztecProtocol/aztec-packages/pull/9350) ([3925228](https://github.com/noir-lang/noir/commit/392522880e102e275ebcf42f16651a8ffa0bbbd2)) +* Use Brillig opcode when possible for less-than operations on fields (https://github.com/AztecProtocol/aztec-packages/pull/9416) ([321a493](https://github.com/noir-lang/noir/commit/321a493216e19a2f077007c3447a3030db0df0d0)) + + +### Code Refactoring + +* **avm:** Remove CMOV opcode (https://github.com/AztecProtocol/aztec-packages/pull/9030) ([70dcf4a](https://github.com/noir-lang/noir/commit/70dcf4a25dcad10daeb427f0887d3a0bf10c9916)) + +## [0.53.0](https://github.com/noir-lang/noir/compare/v0.52.0...v0.53.0) (2024-10-31) + + +### ⚠ BREAKING CHANGES + +* **avm/brillig:** revert/rethrow oracle (https://github.com/AztecProtocol/aztec-packages/pull/9408) +* use Brillig opcode when possible for less-than operations on fields (https://github.com/AztecProtocol/aztec-packages/pull/9416) +* remove noir_js_backend_barretenberg (https://github.com/AztecProtocol/aztec-packages/pull/9338) +* replace usage of vector in keccakf1600 input with array (https://github.com/AztecProtocol/aztec-packages/pull/9350) +* **profiler:** New flamegraph command that profiles the opcodes executed ([#6327](https://github.com/noir-lang/noir/issues/6327)) +* remove pedersen commitment (https://github.com/AztecProtocol/aztec-packages/pull/9107) +* remove pedersen hash opcode (https://github.com/AztecProtocol/aztec-packages/pull/9245) +* Brillig and AVM default all uninitialized memory cells to Field 0 (https://github.com/AztecProtocol/aztec-packages/pull/9057) +* remove keccak256 opcode from ACIR/Brillig (https://github.com/AztecProtocol/aztec-packages/pull/9104) +* Brillig with a stack and conditional inlining (https://github.com/AztecProtocol/aztec-packages/pull/8989) +* **avm:** remove CMOV opcode (https://github.com/AztecProtocol/aztec-packages/pull/9030) +* remove sha256 opcode (https://github.com/AztecProtocol/aztec-packages/pull/4571) +* add support for u1 in the avm, ToRadix's radix arg is a memory addr (https://github.com/AztecProtocol/aztec-packages/pull/8570) +* Add Not instruction in brillig (https://github.com/AztecProtocol/aztec-packages/pull/8488) +* **avm:** variants for SET opcode (https://github.com/AztecProtocol/aztec-packages/pull/8441) +* **avm/brillig:** take addresses in calldatacopy (https://github.com/AztecProtocol/aztec-packages/pull/8388) + +### Features + +* (bb) 128-bit challenges (https://github.com/AztecProtocol/aztec-packages/pull/8406) ([3c3ed1e](https://github.com/noir-lang/noir/commit/3c3ed1e3d28946a02071c524dd128afe131bc3da)) +* **acir_gen:** Width aware ACIR gen addition ([#5493](https://github.com/noir-lang/noir/issues/5493)) ([85fa592](https://github.com/noir-lang/noir/commit/85fa592fdef3b8589ce03b232e1b51565837b540)) +* Add assertions for ACVM `FunctionInput` `bit_size` ([#5864](https://github.com/noir-lang/noir/issues/5864)) ([8712f4c](https://github.com/noir-lang/noir/commit/8712f4c20d23f3809bcfb03f2e3ba0e5ace20a1d)) +* Add Not instruction in brillig (https://github.com/AztecProtocol/aztec-packages/pull/8488) ([95e19ab](https://github.com/noir-lang/noir/commit/95e19ab9486ad054241b6e53e40e55bdba9dc7e5)) +* Add recursive aggregation object to proving/verification keys (https://github.com/AztecProtocol/aztec-packages/pull/6770) ([4ea25db](https://github.com/noir-lang/noir/commit/4ea25dbde87488e758139619a3ce4edf93c6ebd6)) +* Add reusable procedures to brillig generation (https://github.com/AztecProtocol/aztec-packages/pull/7981) ([5c4f19f](https://github.com/noir-lang/noir/commit/5c4f19f097dd3704522996330c961bf0a2db8d99)) +* Add support for u1 in the avm, ToRadix's radix arg is a memory addr (https://github.com/AztecProtocol/aztec-packages/pull/8570) ([e8bbce7](https://github.com/noir-lang/noir/commit/e8bbce71fde3fc7af410c30920c2a547389d8248)) +* Added indirect const instruction (https://github.com/AztecProtocol/aztec-packages/pull/8065) ([5c4f19f](https://github.com/noir-lang/noir/commit/5c4f19f097dd3704522996330c961bf0a2db8d99)) +* Adding aggregation to honk and rollup (https://github.com/AztecProtocol/aztec-packages/pull/7466) ([4ea25db](https://github.com/noir-lang/noir/commit/4ea25dbde87488e758139619a3ce4edf93c6ebd6)) +* Automate verify_honk_proof input generation (https://github.com/AztecProtocol/aztec-packages/pull/8092) ([5c4f19f](https://github.com/noir-lang/noir/commit/5c4f19f097dd3704522996330c961bf0a2db8d99)) +* **avm/brillig:** Revert/rethrow oracle (https://github.com/AztecProtocol/aztec-packages/pull/9408) ([321a493](https://github.com/noir-lang/noir/commit/321a493216e19a2f077007c3447a3030db0df0d0)) +* **avm/brillig:** Take addresses in calldatacopy (https://github.com/AztecProtocol/aztec-packages/pull/8388) ([3c3ed1e](https://github.com/noir-lang/noir/commit/3c3ed1e3d28946a02071c524dd128afe131bc3da)) +* **avm:** Variants for SET opcode (https://github.com/AztecProtocol/aztec-packages/pull/8441) ([3c3ed1e](https://github.com/noir-lang/noir/commit/3c3ed1e3d28946a02071c524dd128afe131bc3da)) +* Avoid heap allocs when going to/from field (https://github.com/AztecProtocol/aztec-packages/pull/7547) ([daad75c](https://github.com/noir-lang/noir/commit/daad75c26d19ae707b90a7424b77dab9937e8575)) +* Brillig and AVM default all uninitialized memory cells to Field 0 (https://github.com/AztecProtocol/aztec-packages/pull/9057) ([70dcf4a](https://github.com/noir-lang/noir/commit/70dcf4a25dcad10daeb427f0887d3a0bf10c9916)) +* Brillig with a stack and conditional inlining (https://github.com/AztecProtocol/aztec-packages/pull/8989) ([70dcf4a](https://github.com/noir-lang/noir/commit/70dcf4a25dcad10daeb427f0887d3a0bf10c9916)) +* Change the layout of arrays and vectors to be a single pointer (https://github.com/AztecProtocol/aztec-packages/pull/8448) ([d4832ec](https://github.com/noir-lang/noir/commit/d4832ece9d3ad16544afea49cc7caf40501a2cc3)) +* Hook up secondary calldata column in dsl (https://github.com/AztecProtocol/aztec-packages/pull/7759) ([4ea25db](https://github.com/noir-lang/noir/commit/4ea25dbde87488e758139619a3ce4edf93c6ebd6)) +* Integrate databus in the private kernels (https://github.com/AztecProtocol/aztec-packages/pull/9028) ([70dcf4a](https://github.com/noir-lang/noir/commit/70dcf4a25dcad10daeb427f0887d3a0bf10c9916)) +* Integrate new proving systems in e2e (https://github.com/AztecProtocol/aztec-packages/pull/6971) ([daad75c](https://github.com/noir-lang/noir/commit/daad75c26d19ae707b90a7424b77dab9937e8575)) +* Make Brillig do integer arithmetic operations using u128 instead of Bigint (https://github.com/AztecProtocol/aztec-packages/pull/7518) ([daad75c](https://github.com/noir-lang/noir/commit/daad75c26d19ae707b90a7424b77dab9937e8575)) +* Make token transfer be recursive (https://github.com/AztecProtocol/aztec-packages/pull/7730) ([4ea25db](https://github.com/noir-lang/noir/commit/4ea25dbde87488e758139619a3ce4edf93c6ebd6)) +* New test programs for wasm benchmarking (https://github.com/AztecProtocol/aztec-packages/pull/8389) ([95e19ab](https://github.com/noir-lang/noir/commit/95e19ab9486ad054241b6e53e40e55bdba9dc7e5)) +* Note hashes as points (https://github.com/AztecProtocol/aztec-packages/pull/7618) ([4ea25db](https://github.com/noir-lang/noir/commit/4ea25dbde87488e758139619a3ce4edf93c6ebd6)) +* Optimize allocating immediate amounts of memory (https://github.com/AztecProtocol/aztec-packages/pull/8579) ([e8bbce7](https://github.com/noir-lang/noir/commit/e8bbce71fde3fc7af410c30920c2a547389d8248)) +* Optimize constant array handling in brillig_gen (https://github.com/AztecProtocol/aztec-packages/pull/7661) ([4ea25db](https://github.com/noir-lang/noir/commit/4ea25dbde87488e758139619a3ce4edf93c6ebd6)) +* Optimize to_radix (https://github.com/AztecProtocol/aztec-packages/pull/8073) ([5c4f19f](https://github.com/noir-lang/noir/commit/5c4f19f097dd3704522996330c961bf0a2db8d99)) +* Pass calldata ids to the backend (https://github.com/AztecProtocol/aztec-packages/pull/7875) ([4ea25db](https://github.com/noir-lang/noir/commit/4ea25dbde87488e758139619a3ce4edf93c6ebd6)) +* Poseidon2 gates for Ultra arithmetisation (https://github.com/AztecProtocol/aztec-packages/pull/7494) ([5c4f19f](https://github.com/noir-lang/noir/commit/5c4f19f097dd3704522996330c961bf0a2db8d99)) +* **profiler:** Add support for brillig functions in opcodes-flamegraph (https://github.com/AztecProtocol/aztec-packages/pull/7698) ([4ea25db](https://github.com/noir-lang/noir/commit/4ea25dbde87488e758139619a3ce4edf93c6ebd6)) +* **profiler:** New flamegraph command that profiles the opcodes executed ([#6327](https://github.com/noir-lang/noir/issues/6327)) ([4d87c9a](https://github.com/noir-lang/noir/commit/4d87c9ac78b48b4bd0ae81316df28aab390d004e)) +* Remove 'single use' intermediate variables ([#6268](https://github.com/noir-lang/noir/issues/6268)) ([ec75e8e](https://github.com/noir-lang/noir/commit/ec75e8ec59e0f2a2169aea67372411ede4074d09)) +* Remove sha256 opcode (https://github.com/AztecProtocol/aztec-packages/pull/4571) ([e8bbce7](https://github.com/noir-lang/noir/commit/e8bbce71fde3fc7af410c30920c2a547389d8248)) +* Removing superfluous call to MSM (https://github.com/AztecProtocol/aztec-packages/pull/7708) ([4ea25db](https://github.com/noir-lang/noir/commit/4ea25dbde87488e758139619a3ce4edf93c6ebd6)) +* Report gates and VKs of private protocol circuits with megahonk (https://github.com/AztecProtocol/aztec-packages/pull/7722) ([4ea25db](https://github.com/noir-lang/noir/commit/4ea25dbde87488e758139619a3ce4edf93c6ebd6)) +* Simplify constant calls to `poseidon2_permutation`, `schnorr_verify` and `embedded_curve_add` ([#5140](https://github.com/noir-lang/noir/issues/5140)) ([2823ba7](https://github.com/noir-lang/noir/commit/2823ba7242db788ca1d7f6e7a48be2f1de62f278)) +* Small optimization in toradix (https://github.com/AztecProtocol/aztec-packages/pull/8040) ([5c4f19f](https://github.com/noir-lang/noir/commit/5c4f19f097dd3704522996330c961bf0a2db8d99)) +* Sync from noir (https://github.com/AztecProtocol/aztec-packages/pull/7432) ([daad75c](https://github.com/noir-lang/noir/commit/daad75c26d19ae707b90a7424b77dab9937e8575)) +* Sync from noir (https://github.com/AztecProtocol/aztec-packages/pull/7444) ([daad75c](https://github.com/noir-lang/noir/commit/daad75c26d19ae707b90a7424b77dab9937e8575)) +* Sync from noir (https://github.com/AztecProtocol/aztec-packages/pull/7454) ([daad75c](https://github.com/noir-lang/noir/commit/daad75c26d19ae707b90a7424b77dab9937e8575)) +* Sync from noir (https://github.com/AztecProtocol/aztec-packages/pull/7512) ([daad75c](https://github.com/noir-lang/noir/commit/daad75c26d19ae707b90a7424b77dab9937e8575)) +* Sync from noir (https://github.com/AztecProtocol/aztec-packages/pull/7577) ([daad75c](https://github.com/noir-lang/noir/commit/daad75c26d19ae707b90a7424b77dab9937e8575)) +* Sync from noir (https://github.com/AztecProtocol/aztec-packages/pull/7583) ([daad75c](https://github.com/noir-lang/noir/commit/daad75c26d19ae707b90a7424b77dab9937e8575)) +* Sync from noir (https://github.com/AztecProtocol/aztec-packages/pull/7743) ([4ea25db](https://github.com/noir-lang/noir/commit/4ea25dbde87488e758139619a3ce4edf93c6ebd6)) +* Sync from noir (https://github.com/AztecProtocol/aztec-packages/pull/7862) ([4ea25db](https://github.com/noir-lang/noir/commit/4ea25dbde87488e758139619a3ce4edf93c6ebd6)) +* Sync from noir (https://github.com/AztecProtocol/aztec-packages/pull/7945) ([4ea25db](https://github.com/noir-lang/noir/commit/4ea25dbde87488e758139619a3ce4edf93c6ebd6)) +* Sync from noir (https://github.com/AztecProtocol/aztec-packages/pull/7958) ([5c4f19f](https://github.com/noir-lang/noir/commit/5c4f19f097dd3704522996330c961bf0a2db8d99)) +* Sync from noir (https://github.com/AztecProtocol/aztec-packages/pull/8008) ([5c4f19f](https://github.com/noir-lang/noir/commit/5c4f19f097dd3704522996330c961bf0a2db8d99)) +* Sync from noir (https://github.com/AztecProtocol/aztec-packages/pull/8093) ([5c4f19f](https://github.com/noir-lang/noir/commit/5c4f19f097dd3704522996330c961bf0a2db8d99)) +* Sync from noir (https://github.com/AztecProtocol/aztec-packages/pull/8125) ([f0c2686](https://github.com/noir-lang/noir/commit/f0c268606a71381ab4504396695a0adb9b3258b6)) +* Sync from noir (https://github.com/AztecProtocol/aztec-packages/pull/8237) ([f0c2686](https://github.com/noir-lang/noir/commit/f0c268606a71381ab4504396695a0adb9b3258b6)) +* Sync from noir (https://github.com/AztecProtocol/aztec-packages/pull/8423) ([3c3ed1e](https://github.com/noir-lang/noir/commit/3c3ed1e3d28946a02071c524dd128afe131bc3da)) +* Sync from noir (https://github.com/AztecProtocol/aztec-packages/pull/8435) ([3c3ed1e](https://github.com/noir-lang/noir/commit/3c3ed1e3d28946a02071c524dd128afe131bc3da)) +* Sync from noir (https://github.com/AztecProtocol/aztec-packages/pull/8466) ([3c3ed1e](https://github.com/noir-lang/noir/commit/3c3ed1e3d28946a02071c524dd128afe131bc3da)) +* Sync from noir (https://github.com/AztecProtocol/aztec-packages/pull/8482) ([d4832ec](https://github.com/noir-lang/noir/commit/d4832ece9d3ad16544afea49cc7caf40501a2cc3)) +* Sync from noir (https://github.com/AztecProtocol/aztec-packages/pull/8512) ([95e19ab](https://github.com/noir-lang/noir/commit/95e19ab9486ad054241b6e53e40e55bdba9dc7e5)) +* Sync from noir (https://github.com/AztecProtocol/aztec-packages/pull/8526) ([95e19ab](https://github.com/noir-lang/noir/commit/95e19ab9486ad054241b6e53e40e55bdba9dc7e5)) +* Sync from noir (https://github.com/AztecProtocol/aztec-packages/pull/8934) ([70dcf4a](https://github.com/noir-lang/noir/commit/70dcf4a25dcad10daeb427f0887d3a0bf10c9916)) +* Sync from noir (https://github.com/AztecProtocol/aztec-packages/pull/9034) ([70dcf4a](https://github.com/noir-lang/noir/commit/70dcf4a25dcad10daeb427f0887d3a0bf10c9916)) +* Sync from noir (https://github.com/AztecProtocol/aztec-packages/pull/9099) ([70dcf4a](https://github.com/noir-lang/noir/commit/70dcf4a25dcad10daeb427f0887d3a0bf10c9916)) +* Sync from noir (https://github.com/AztecProtocol/aztec-packages/pull/9275) ([70dcf4a](https://github.com/noir-lang/noir/commit/70dcf4a25dcad10daeb427f0887d3a0bf10c9916)) +* **test:** Fuzz test poseidon2 hash equivalence ([#6265](https://github.com/noir-lang/noir/issues/6265)) ([f61ba03](https://github.com/noir-lang/noir/commit/f61ba037c6726e19be4f894d9447fe396df95417)) +* **test:** Fuzz test stdlib hash functions ([#6233](https://github.com/noir-lang/noir/issues/6233)) ([1a2ca46](https://github.com/noir-lang/noir/commit/1a2ca46af0d1c05813dbe28670a2bc39b79e4c9f)) +* TXE nr deployments, dependency cleanup for CLI (https://github.com/AztecProtocol/aztec-packages/pull/7548) ([4ea25db](https://github.com/noir-lang/noir/commit/4ea25dbde87488e758139619a3ce4edf93c6ebd6)) +* Typing return values of embedded_curve_ops (https://github.com/AztecProtocol/aztec-packages/pull/7413) ([daad75c](https://github.com/noir-lang/noir/commit/daad75c26d19ae707b90a7424b77dab9937e8575)) +* Unify all acir recursion constraints based on RecursionConstraint and proof_type (https://github.com/AztecProtocol/aztec-packages/pull/7993) ([5c4f19f](https://github.com/noir-lang/noir/commit/5c4f19f097dd3704522996330c961bf0a2db8d99)) + + +### Bug Fixes + +* Add trailing extra arguments for backend in gates_flamegraph (https://github.com/AztecProtocol/aztec-packages/pull/7472) ([daad75c](https://github.com/noir-lang/noir/commit/daad75c26d19ae707b90a7424b77dab9937e8575)) +* **debugger:** Update the debugger to handle the new Brillig debug metadata format ([#5706](https://github.com/noir-lang/noir/issues/5706)) ([a31f82e](https://github.com/noir-lang/noir/commit/a31f82e598def60d00c65b79b8c5411f8aa832aa)) +* Deflatten databus visibilities (https://github.com/AztecProtocol/aztec-packages/pull/7761) ([4ea25db](https://github.com/noir-lang/noir/commit/4ea25dbde87488e758139619a3ce4edf93c6ebd6)) +* Display every bit in integer tokens ([#6360](https://github.com/noir-lang/noir/issues/6360)) ([b985fdf](https://github.com/noir-lang/noir/commit/b985fdf6e635570b8db3af83d9ec14e7cd749062)) +* Do not duplicate redundant Brillig debug metadata ([#5696](https://github.com/noir-lang/noir/issues/5696)) ([e4f7dbe](https://github.com/noir-lang/noir/commit/e4f7dbe63b55807b3ff0b4d6f47a8b7f847299fb)) +* Export brillig names in contract functions (https://github.com/AztecProtocol/aztec-packages/pull/8212) ([f0c2686](https://github.com/noir-lang/noir/commit/f0c268606a71381ab4504396695a0adb9b3258b6)) +* Handle multiple entry points for Brillig call stack resolution after metadata deduplication ([#5788](https://github.com/noir-lang/noir/issues/5788)) ([38fe9dd](https://github.com/noir-lang/noir/commit/38fe9dda111952fdb894df90a319c087382edfc9)) +* Homogeneous input points for EC ADD ([#6241](https://github.com/noir-lang/noir/issues/6241)) ([f6a7306](https://github.com/noir-lang/noir/commit/f6a7306436ea1a37ec7f3b884721b50467e9a063)) +* Reject invalid expression with in CLI parser ([#6287](https://github.com/noir-lang/noir/issues/6287)) ([052aee8](https://github.com/noir-lang/noir/commit/052aee80ff3e1e4fd2ca45310d7bb8b980af126a)) +* Remove need for duplicate attributes on each function (https://github.com/AztecProtocol/aztec-packages/pull/9244) ([70dcf4a](https://github.com/noir-lang/noir/commit/70dcf4a25dcad10daeb427f0887d3a0bf10c9916)) +* Restrict keccak256_injective test input to 8 bits ([#5977](https://github.com/noir-lang/noir/issues/5977)) ([a1b1346](https://github.com/noir-lang/noir/commit/a1b1346bf7525c508fd390393c307475cc2345d7)) +* Revert "feat: Sync from noir (https://github.com/AztecProtocol/aztec-packages/pull/7512)" (https://github.com/AztecProtocol/aztec-packages/pull/7558) ([daad75c](https://github.com/noir-lang/noir/commit/daad75c26d19ae707b90a7424b77dab9937e8575)) + + +### Miscellaneous Chores + +* Remove keccak256 opcode from ACIR/Brillig (https://github.com/AztecProtocol/aztec-packages/pull/9104) ([70dcf4a](https://github.com/noir-lang/noir/commit/70dcf4a25dcad10daeb427f0887d3a0bf10c9916)) +* Remove noir_js_backend_barretenberg (https://github.com/AztecProtocol/aztec-packages/pull/9338) ([3925228](https://github.com/noir-lang/noir/commit/392522880e102e275ebcf42f16651a8ffa0bbbd2)) +* Remove pedersen commitment (https://github.com/AztecProtocol/aztec-packages/pull/9107) ([70dcf4a](https://github.com/noir-lang/noir/commit/70dcf4a25dcad10daeb427f0887d3a0bf10c9916)) +* Remove pedersen hash opcode (https://github.com/AztecProtocol/aztec-packages/pull/9245) ([70dcf4a](https://github.com/noir-lang/noir/commit/70dcf4a25dcad10daeb427f0887d3a0bf10c9916)) +* Replace usage of vector in keccakf1600 input with array (https://github.com/AztecProtocol/aztec-packages/pull/9350) ([3925228](https://github.com/noir-lang/noir/commit/392522880e102e275ebcf42f16651a8ffa0bbbd2)) +* Use Brillig opcode when possible for less-than operations on fields (https://github.com/AztecProtocol/aztec-packages/pull/9416) ([321a493](https://github.com/noir-lang/noir/commit/321a493216e19a2f077007c3447a3030db0df0d0)) + + +### Code Refactoring + +* **avm:** Remove CMOV opcode (https://github.com/AztecProtocol/aztec-packages/pull/9030) ([70dcf4a](https://github.com/noir-lang/noir/commit/70dcf4a25dcad10daeb427f0887d3a0bf10c9916)) + ## [0.52.0](https://github.com/noir-lang/noir/compare/v0.51.0...v0.52.0) (2024-10-22) diff --git a/noir/noir-repo/acvm-repo/acir/Cargo.toml b/noir/noir-repo/acvm-repo/acir/Cargo.toml index c030016a716..ff6c9b1954e 100644 --- a/noir/noir-repo/acvm-repo/acir/Cargo.toml +++ b/noir/noir-repo/acvm-repo/acir/Cargo.toml @@ -2,7 +2,7 @@ name = "acir" description = "ACIR is the IR that the VM processes, it is analogous to LLVM IR" # x-release-please-start-version -version = "0.52.0" +version = "0.54.0" # x-release-please-end authors.workspace = true edition.workspace = true diff --git a/noir/noir-repo/acvm-repo/acir_field/Cargo.toml b/noir/noir-repo/acvm-repo/acir_field/Cargo.toml index f8cd0e71ab2..66a01848a54 100644 --- a/noir/noir-repo/acvm-repo/acir_field/Cargo.toml +++ b/noir/noir-repo/acvm-repo/acir_field/Cargo.toml @@ -2,7 +2,7 @@ name = "acir_field" description = "The field implementation being used by ACIR." # x-release-please-start-version -version = "0.52.0" +version = "0.54.0" # x-release-please-end authors.workspace = true edition.workspace = true diff --git a/noir/noir-repo/acvm-repo/acvm/Cargo.toml b/noir/noir-repo/acvm-repo/acvm/Cargo.toml index 3e774f4dbd0..2b143ebe475 100644 --- a/noir/noir-repo/acvm-repo/acvm/Cargo.toml +++ b/noir/noir-repo/acvm-repo/acvm/Cargo.toml @@ -2,7 +2,7 @@ name = "acvm" description = "The virtual machine that processes ACIR given a backend/proof system." # x-release-please-start-version -version = "0.52.0" +version = "0.54.0" # x-release-please-end authors.workspace = true edition.workspace = true diff --git a/noir/noir-repo/acvm-repo/acvm/src/compiler/mod.rs b/noir/noir-repo/acvm-repo/acvm/src/compiler/mod.rs index 92e03cc90c2..8829f77e50b 100644 --- a/noir/noir-repo/acvm-repo/acvm/src/compiler/mod.rs +++ b/noir/noir-repo/acvm-repo/acvm/src/compiler/mod.rs @@ -7,10 +7,12 @@ use acir::{ // The various passes that we can use over ACIR mod optimizers; +mod simulator; mod transformers; pub use optimizers::optimize; use optimizers::optimize_internal; +pub use simulator::CircuitSimulator; use transformers::transform_internal; pub use transformers::{transform, MIN_EXPRESSION_WIDTH}; diff --git a/noir/noir-repo/acvm-repo/acvm/src/compiler/optimizers/merge_expressions.rs b/noir/noir-repo/acvm-repo/acvm/src/compiler/optimizers/merge_expressions.rs index ddf86f60f77..c3c80bec2ae 100644 --- a/noir/noir-repo/acvm-repo/acvm/src/compiler/optimizers/merge_expressions.rs +++ b/noir/noir-repo/acvm-repo/acvm/src/compiler/optimizers/merge_expressions.rs @@ -1,11 +1,18 @@ use std::collections::{BTreeMap, BTreeSet, HashMap}; use acir::{ - circuit::{brillig::BrilligInputs, directives::Directive, opcodes::BlockId, Circuit, Opcode}, + circuit::{ + brillig::{BrilligInputs, BrilligOutputs}, + directives::Directive, + opcodes::BlockId, + Circuit, Opcode, + }, native_types::{Expression, Witness}, AcirField, }; +use crate::compiler::CircuitSimulator; + pub(crate) struct MergeExpressionsOptimizer { resolved_blocks: HashMap>, } @@ -70,23 +77,31 @@ impl MergeExpressionsOptimizer { if let (Opcode::AssertZero(expr_define), Opcode::AssertZero(expr_use)) = (opcode.clone(), second_gate) { - if let Some(expr) = Self::merge(&expr_use, &expr_define, w) { - // sanity check - assert!(i < b); - modified_gates.insert(b, Opcode::AssertZero(expr)); - to_keep = false; - // Update the 'used_witness' map to account for the merge. - for w2 in Self::expr_wit(&expr_define) { - if !circuit_inputs.contains(&w2) { - let mut v = used_witness[&w2].clone(); - v.insert(b); - v.remove(&i); - used_witness.insert(w2, v); + // We cannot merge an expression into an earlier opcode, because this + // would break the 'execution ordering' of the opcodes + // This case can happen because a previous merge would change an opcode + // and eliminate a witness from it, giving new opportunities for this + // witness to be used in only two expressions + // TODO: the missed optimization for the i>b case can be handled by + // - doing this pass again until there is no change, or + // - merging 'b' into 'i' instead + if i < b { + if let Some(expr) = Self::merge(&expr_use, &expr_define, w) { + modified_gates.insert(b, Opcode::AssertZero(expr)); + to_keep = false; + // Update the 'used_witness' map to account for the merge. + for w2 in CircuitSimulator::expr_wit(&expr_define) { + if !circuit_inputs.contains(&w2) { + let mut v = used_witness[&w2].clone(); + v.insert(b); + v.remove(&i); + used_witness.insert(w2, v); + } } + // We need to stop here and continue with the next opcode + // because the merge invalidates the current opcode. + break; } - // We need to stop here and continue with the next opcode - // because the merge invalidate the current opcode - break; } } } @@ -104,22 +119,15 @@ impl MergeExpressionsOptimizer { (new_circuit, new_acir_opcode_positions) } - fn expr_wit(expr: &Expression) -> BTreeSet { - let mut result = BTreeSet::new(); - result.extend(expr.mul_terms.iter().flat_map(|i| vec![i.1, i.2])); - result.extend(expr.linear_combinations.iter().map(|i| i.1)); - result - } - fn brillig_input_wit(&self, input: &BrilligInputs) -> BTreeSet { let mut result = BTreeSet::new(); match input { BrilligInputs::Single(expr) => { - result.extend(Self::expr_wit(expr)); + result.extend(CircuitSimulator::expr_wit(expr)); } BrilligInputs::Array(exprs) => { for expr in exprs { - result.extend(Self::expr_wit(expr)); + result.extend(CircuitSimulator::expr_wit(expr)); } } BrilligInputs::MemoryArray(block_id) => { @@ -130,20 +138,33 @@ impl MergeExpressionsOptimizer { result } + fn brillig_output_wit(&self, output: &BrilligOutputs) -> BTreeSet { + let mut result = BTreeSet::new(); + match output { + BrilligOutputs::Simple(witness) => { + result.insert(*witness); + } + BrilligOutputs::Array(witnesses) => { + result.extend(witnesses); + } + } + result + } + // Returns the input witnesses used by the opcode fn witness_inputs(&self, opcode: &Opcode) -> BTreeSet { let mut witnesses = BTreeSet::new(); match opcode { - Opcode::AssertZero(expr) => Self::expr_wit(expr), + Opcode::AssertZero(expr) => CircuitSimulator::expr_wit(expr), Opcode::BlackBoxFuncCall(bb_func) => bb_func.get_input_witnesses(), - Opcode::Directive(Directive::ToLeRadix { a, .. }) => Self::expr_wit(a), + Opcode::Directive(Directive::ToLeRadix { a, .. }) => CircuitSimulator::expr_wit(a), Opcode::MemoryOp { block_id: _, op, predicate } => { //index et value, et predicate let mut witnesses = BTreeSet::new(); - witnesses.extend(Self::expr_wit(&op.index)); - witnesses.extend(Self::expr_wit(&op.value)); + witnesses.extend(CircuitSimulator::expr_wit(&op.index)); + witnesses.extend(CircuitSimulator::expr_wit(&op.value)); if let Some(p) = predicate { - witnesses.extend(Self::expr_wit(p)); + witnesses.extend(CircuitSimulator::expr_wit(p)); } witnesses } @@ -151,18 +172,24 @@ impl MergeExpressionsOptimizer { Opcode::MemoryInit { block_id: _, init, block_type: _ } => { init.iter().cloned().collect() } - Opcode::BrilligCall { inputs, .. } => { + Opcode::BrilligCall { inputs, outputs, .. } => { for i in inputs { witnesses.extend(self.brillig_input_wit(i)); } + for i in outputs { + witnesses.extend(self.brillig_output_wit(i)); + } witnesses } - Opcode::Call { id: _, inputs, outputs: _, predicate } => { + Opcode::Call { id: _, inputs, outputs, predicate } => { for i in inputs { witnesses.insert(*i); } + for i in outputs { + witnesses.insert(*i); + } if let Some(p) = predicate { - witnesses.extend(Self::expr_wit(p)); + witnesses.extend(CircuitSimulator::expr_wit(p)); } witnesses } @@ -200,3 +227,129 @@ impl MergeExpressionsOptimizer { None } } + +#[cfg(test)] +mod tests { + use crate::compiler::{optimizers::MergeExpressionsOptimizer, CircuitSimulator}; + use acir::{ + acir_field::AcirField, + circuit::{ + brillig::{BrilligFunctionId, BrilligOutputs}, + opcodes::FunctionInput, + Circuit, ExpressionWidth, Opcode, PublicInputs, + }, + native_types::{Expression, Witness}, + FieldElement, + }; + use std::collections::BTreeSet; + + fn check_circuit(circuit: Circuit) { + assert!(CircuitSimulator::default().check_circuit(&circuit)); + let mut merge_optimizer = MergeExpressionsOptimizer::new(); + let acir_opcode_positions = vec![0; 20]; + let (opcodes, _) = + merge_optimizer.eliminate_intermediate_variable(&circuit, acir_opcode_positions); + let mut optimized_circuit = circuit; + optimized_circuit.opcodes = opcodes; + // check that the circuit is still valid after optimization + assert!(CircuitSimulator::default().check_circuit(&optimized_circuit)); + } + + #[test] + fn does_not_eliminate_witnesses_returned_from_brillig() { + let opcodes = vec![ + Opcode::BrilligCall { + id: BrilligFunctionId::default(), + inputs: Vec::new(), + outputs: vec![BrilligOutputs::Simple(Witness(1))], + predicate: None, + }, + Opcode::AssertZero(Expression { + mul_terms: Vec::new(), + linear_combinations: vec![ + (FieldElement::from(2_u128), Witness(0)), + (FieldElement::from(3_u128), Witness(1)), + (FieldElement::from(1_u128), Witness(2)), + ], + q_c: FieldElement::one(), + }), + Opcode::AssertZero(Expression { + mul_terms: Vec::new(), + linear_combinations: vec![ + (FieldElement::from(2_u128), Witness(0)), + (FieldElement::from(2_u128), Witness(1)), + (FieldElement::from(1_u128), Witness(5)), + ], + q_c: FieldElement::one(), + }), + ]; + + let mut private_parameters = BTreeSet::new(); + private_parameters.insert(Witness(0)); + + let circuit = Circuit { + current_witness_index: 1, + expression_width: ExpressionWidth::Bounded { width: 4 }, + opcodes, + private_parameters, + public_parameters: PublicInputs::default(), + return_values: PublicInputs::default(), + assert_messages: Default::default(), + recursive: false, + }; + check_circuit(circuit); + } + + #[test] + fn does_not_attempt_to_merge_into_previous_opcodes() { + let opcodes = vec![ + Opcode::AssertZero(Expression { + mul_terms: vec![(FieldElement::one(), Witness(0), Witness(0))], + linear_combinations: vec![(-FieldElement::one(), Witness(4))], + q_c: FieldElement::zero(), + }), + Opcode::AssertZero(Expression { + mul_terms: vec![(FieldElement::one(), Witness(0), Witness(1))], + linear_combinations: vec![(FieldElement::one(), Witness(5))], + q_c: FieldElement::zero(), + }), + Opcode::AssertZero(Expression { + mul_terms: Vec::new(), + linear_combinations: vec![ + (-FieldElement::one(), Witness(2)), + (FieldElement::one(), Witness(4)), + (FieldElement::one(), Witness(5)), + ], + q_c: FieldElement::zero(), + }), + Opcode::AssertZero(Expression { + mul_terms: Vec::new(), + linear_combinations: vec![ + (FieldElement::one(), Witness(2)), + (-FieldElement::one(), Witness(3)), + (FieldElement::one(), Witness(4)), + (FieldElement::one(), Witness(5)), + ], + q_c: FieldElement::zero(), + }), + Opcode::BlackBoxFuncCall(acir::circuit::opcodes::BlackBoxFuncCall::RANGE { + input: FunctionInput::witness(Witness(3), 32), + }), + ]; + + let mut private_parameters = BTreeSet::new(); + private_parameters.insert(Witness(0)); + private_parameters.insert(Witness(1)); + let circuit = Circuit { + current_witness_index: 5, + expression_width: ExpressionWidth::Bounded { width: 4 }, + opcodes, + private_parameters, + public_parameters: PublicInputs::default(), + return_values: PublicInputs::default(), + assert_messages: Default::default(), + recursive: false, + }; + check_circuit(circuit); + } +} diff --git a/noir/noir-repo/acvm-repo/acvm/src/compiler/simulator.rs b/noir/noir-repo/acvm-repo/acvm/src/compiler/simulator.rs new file mode 100644 index 00000000000..d89b53aa564 --- /dev/null +++ b/noir/noir-repo/acvm-repo/acvm/src/compiler/simulator.rs @@ -0,0 +1,305 @@ +use acir::{ + circuit::{ + brillig::{BrilligInputs, BrilligOutputs}, + directives::Directive, + opcodes::{BlockId, FunctionInput}, + Circuit, Opcode, + }, + native_types::{Expression, Witness}, + AcirField, +}; +use std::collections::{BTreeSet, HashMap, HashSet}; + +#[derive(PartialEq)] +enum BlockStatus { + Initialized, + Used, +} + +/// Simulate a symbolic solve for a circuit +#[derive(Default)] +pub struct CircuitSimulator { + /// Track the witnesses that can be solved + solvable_witness: HashSet, + + /// Tells whether a Memory Block is: + /// - Not initialized if not in the map + /// - Initialized if its status is Initialized in the Map + /// - Used, indicating that the block cannot be written anymore. + resolved_blocks: HashMap, +} + +impl CircuitSimulator { + /// Simulate a symbolic solve for a circuit by keeping track of the witnesses that can be solved. + /// Returns false if the circuit cannot be solved + #[tracing::instrument(level = "trace", skip_all)] + pub fn check_circuit(&mut self, circuit: &Circuit) -> bool { + let circuit_inputs = circuit.circuit_arguments(); + self.solvable_witness.extend(circuit_inputs.iter()); + for op in &circuit.opcodes { + if !self.try_solve(op) { + return false; + } + } + true + } + + /// Check if the Opcode can be solved, and if yes, add the solved witness to set of solvable witness + fn try_solve(&mut self, opcode: &Opcode) -> bool { + let mut unresolved = HashSet::new(); + match opcode { + Opcode::AssertZero(expr) => { + for (_, w1, w2) in &expr.mul_terms { + if !self.solvable_witness.contains(w1) { + if !self.solvable_witness.contains(w2) { + return false; + } + unresolved.insert(*w1); + } + if !self.solvable_witness.contains(w2) && w1 != w2 { + unresolved.insert(*w2); + } + } + for (_, w) in &expr.linear_combinations { + if !self.solvable_witness.contains(w) { + unresolved.insert(*w); + } + } + if unresolved.len() == 1 { + self.mark_solvable(*unresolved.iter().next().unwrap()); + return true; + } + unresolved.is_empty() + } + Opcode::BlackBoxFuncCall(black_box_func_call) => { + let inputs = black_box_func_call.get_inputs_vec(); + for input in inputs { + if !self.can_solve_function_input(&input) { + return false; + } + } + let outputs = black_box_func_call.get_outputs_vec(); + for output in outputs { + self.mark_solvable(output); + } + true + } + Opcode::Directive(directive) => match directive { + Directive::ToLeRadix { a, b, .. } => { + if !self.can_solve_expression(a) { + return false; + } + for w in b { + self.mark_solvable(*w); + } + true + } + }, + Opcode::MemoryOp { block_id, op, predicate } => { + if !self.can_solve_expression(&op.index) { + return false; + } + if let Some(predicate) = predicate { + if !self.can_solve_expression(predicate) { + return false; + } + } + if op.operation.is_zero() { + let w = op.value.to_witness().unwrap(); + self.mark_solvable(w); + true + } else { + if let Some(BlockStatus::Used) = self.resolved_blocks.get(block_id) { + // Writing after having used the block should not be allowed + return false; + } + self.try_solve(&Opcode::AssertZero(op.value.clone())) + } + } + Opcode::MemoryInit { block_id, init, .. } => { + for w in init { + if !self.solvable_witness.contains(w) { + return false; + } + } + self.resolved_blocks.insert(*block_id, BlockStatus::Initialized); + true + } + Opcode::BrilligCall { id: _, inputs, outputs, predicate } => { + for input in inputs { + if !self.can_solve_brillig_input(input) { + return false; + } + } + if let Some(predicate) = predicate { + if !self.can_solve_expression(predicate) { + return false; + } + } + for output in outputs { + match output { + BrilligOutputs::Simple(w) => self.mark_solvable(*w), + BrilligOutputs::Array(arr) => { + for w in arr { + self.mark_solvable(*w); + } + } + } + } + true + } + Opcode::Call { id: _, inputs, outputs, predicate } => { + for w in inputs { + if !self.solvable_witness.contains(w) { + return false; + } + } + if let Some(predicate) = predicate { + if !self.can_solve_expression(predicate) { + return false; + } + } + for w in outputs { + self.mark_solvable(*w); + } + true + } + } + } + + /// Adds the witness to set of solvable witness + pub(crate) fn mark_solvable(&mut self, witness: Witness) { + self.solvable_witness.insert(witness); + } + + pub fn can_solve_function_input(&self, input: &FunctionInput) -> bool { + if !input.is_constant() { + return self.solvable_witness.contains(&input.to_witness()); + } + true + } + fn can_solve_expression(&self, expr: &Expression) -> bool { + for w in Self::expr_wit(expr) { + if !self.solvable_witness.contains(&w) { + return false; + } + } + true + } + fn can_solve_brillig_input(&mut self, input: &BrilligInputs) -> bool { + match input { + BrilligInputs::Single(expr) => self.can_solve_expression(expr), + BrilligInputs::Array(exprs) => { + for expr in exprs { + if !self.can_solve_expression(expr) { + return false; + } + } + true + } + + BrilligInputs::MemoryArray(block_id) => match self.resolved_blocks.entry(*block_id) { + std::collections::hash_map::Entry::Vacant(_) => false, + std::collections::hash_map::Entry::Occupied(entry) + if *entry.get() == BlockStatus::Used => + { + true + } + std::collections::hash_map::Entry::Occupied(mut entry) => { + entry.insert(BlockStatus::Used); + true + } + }, + } + } + + pub(crate) fn expr_wit(expr: &Expression) -> BTreeSet { + let mut result = BTreeSet::new(); + result.extend(expr.mul_terms.iter().flat_map(|i| vec![i.1, i.2])); + result.extend(expr.linear_combinations.iter().map(|i| i.1)); + result + } +} + +#[cfg(test)] +mod tests { + use std::collections::BTreeSet; + + use crate::compiler::CircuitSimulator; + use acir::{ + acir_field::AcirField, + circuit::{Circuit, ExpressionWidth, Opcode, PublicInputs}, + native_types::{Expression, Witness}, + FieldElement, + }; + + fn test_circuit( + opcodes: Vec>, + private_parameters: BTreeSet, + public_parameters: PublicInputs, + ) -> Circuit { + Circuit { + current_witness_index: 1, + expression_width: ExpressionWidth::Bounded { width: 4 }, + opcodes, + private_parameters, + public_parameters, + return_values: PublicInputs::default(), + assert_messages: Default::default(), + recursive: false, + } + } + + #[test] + fn reports_true_for_empty_circuit() { + let empty_circuit = test_circuit(vec![], BTreeSet::default(), PublicInputs::default()); + + assert!(CircuitSimulator::default().check_circuit(&empty_circuit)); + } + + #[test] + fn reports_true_for_connected_circuit() { + let connected_circuit = test_circuit( + vec![Opcode::AssertZero(Expression { + mul_terms: Vec::new(), + linear_combinations: vec![ + (FieldElement::one(), Witness(1)), + (-FieldElement::one(), Witness(2)), + ], + q_c: FieldElement::zero(), + })], + BTreeSet::from([Witness(1)]), + PublicInputs::default(), + ); + + assert!(CircuitSimulator::default().check_circuit(&connected_circuit)); + } + + #[test] + fn reports_false_for_disconnected_circuit() { + let disconnected_circuit = test_circuit( + vec![ + Opcode::AssertZero(Expression { + mul_terms: Vec::new(), + linear_combinations: vec![ + (FieldElement::one(), Witness(1)), + (-FieldElement::one(), Witness(2)), + ], + q_c: FieldElement::zero(), + }), + Opcode::AssertZero(Expression { + mul_terms: Vec::new(), + linear_combinations: vec![ + (FieldElement::one(), Witness(3)), + (-FieldElement::one(), Witness(4)), + ], + q_c: FieldElement::zero(), + }), + ], + BTreeSet::from([Witness(1)]), + PublicInputs::default(), + ); + + assert!(!CircuitSimulator::default().check_circuit(&disconnected_circuit)); + } +} diff --git a/noir/noir-repo/acvm-repo/acvm_js/Cargo.toml b/noir/noir-repo/acvm-repo/acvm_js/Cargo.toml index 060a507bb9d..db34458ad88 100644 --- a/noir/noir-repo/acvm-repo/acvm_js/Cargo.toml +++ b/noir/noir-repo/acvm-repo/acvm_js/Cargo.toml @@ -2,7 +2,7 @@ name = "acvm_js" description = "Typescript wrapper around the ACVM allowing execution of ACIR code" # x-release-please-start-version -version = "0.52.0" +version = "0.54.0" # x-release-please-end authors.workspace = true edition.workspace = true diff --git a/noir/noir-repo/acvm-repo/acvm_js/build.sh b/noir/noir-repo/acvm-repo/acvm_js/build.sh index c07d2d8a4c1..16fb26e55db 100755 --- a/noir/noir-repo/acvm-repo/acvm_js/build.sh +++ b/noir/noir-repo/acvm-repo/acvm_js/build.sh @@ -25,7 +25,7 @@ function run_if_available { require_command jq require_command cargo require_command wasm-bindgen -#require_command wasm-opt +require_command wasm-opt self_path=$(dirname "$(readlink -f "$0")") pname=$(cargo read-manifest | jq -r '.name') diff --git a/noir/noir-repo/acvm-repo/acvm_js/package.json b/noir/noir-repo/acvm-repo/acvm_js/package.json index 6d7152e719a..b68aa023086 100644 --- a/noir/noir-repo/acvm-repo/acvm_js/package.json +++ b/noir/noir-repo/acvm-repo/acvm_js/package.json @@ -1,6 +1,6 @@ { "name": "@noir-lang/acvm_js", - "version": "0.52.0", + "version": "0.54.0", "publishConfig": { "access": "public" }, diff --git a/noir/noir-repo/acvm-repo/blackbox_solver/Cargo.toml b/noir/noir-repo/acvm-repo/blackbox_solver/Cargo.toml index 69bdb2fcf81..944b17c7dc6 100644 --- a/noir/noir-repo/acvm-repo/blackbox_solver/Cargo.toml +++ b/noir/noir-repo/acvm-repo/blackbox_solver/Cargo.toml @@ -2,7 +2,7 @@ name = "acvm_blackbox_solver" description = "A solver for the blackbox functions found in ACIR and Brillig" # x-release-please-start-version -version = "0.52.0" +version = "0.54.0" # x-release-please-end authors.workspace = true edition.workspace = true diff --git a/noir/noir-repo/acvm-repo/bn254_blackbox_solver/Cargo.toml b/noir/noir-repo/acvm-repo/bn254_blackbox_solver/Cargo.toml index b4716a0bdda..7541fe239c9 100644 --- a/noir/noir-repo/acvm-repo/bn254_blackbox_solver/Cargo.toml +++ b/noir/noir-repo/acvm-repo/bn254_blackbox_solver/Cargo.toml @@ -2,7 +2,7 @@ name = "bn254_blackbox_solver" description = "Solvers for black box functions which are specific for the bn254 curve" # x-release-please-start-version -version = "0.52.0" +version = "0.54.0" # x-release-please-end authors.workspace = true edition.workspace = true @@ -19,10 +19,10 @@ workspace = true acir.workspace = true acvm_blackbox_solver.workspace = true hex.workspace = true -lazy_static = "1.4" +lazy_static.workspace = true ark-bn254.workspace = true -grumpkin.workspace = true +grumpkin.workspace = true ark-ec.workspace = true ark-ff.workspace = true num-bigint.workspace = true diff --git a/noir/noir-repo/acvm-repo/brillig/Cargo.toml b/noir/noir-repo/acvm-repo/brillig/Cargo.toml index 340fb2df29e..7b48ff318d3 100644 --- a/noir/noir-repo/acvm-repo/brillig/Cargo.toml +++ b/noir/noir-repo/acvm-repo/brillig/Cargo.toml @@ -2,7 +2,7 @@ name = "brillig" description = "Brillig is the bytecode ACIR uses for non-determinism." # x-release-please-start-version -version = "0.52.0" +version = "0.54.0" # x-release-please-end authors.workspace = true edition.workspace = true diff --git a/noir/noir-repo/acvm-repo/brillig_vm/Cargo.toml b/noir/noir-repo/acvm-repo/brillig_vm/Cargo.toml index 9f6772c31af..a9cb409a6f4 100644 --- a/noir/noir-repo/acvm-repo/brillig_vm/Cargo.toml +++ b/noir/noir-repo/acvm-repo/brillig_vm/Cargo.toml @@ -2,7 +2,7 @@ name = "brillig_vm" description = "The virtual machine that processes Brillig bytecode, used to introduce non-determinism to the ACVM" # x-release-please-start-version -version = "0.52.0" +version = "0.54.0" # x-release-please-end authors.workspace = true edition.workspace = true diff --git a/noir/noir-repo/compiler/integration-tests/package.json b/noir/noir-repo/compiler/integration-tests/package.json index e33179f31e7..a438c2965c3 100644 --- a/noir/noir-repo/compiler/integration-tests/package.json +++ b/noir/noir-repo/compiler/integration-tests/package.json @@ -13,7 +13,7 @@ "lint": "NODE_NO_WARNINGS=1 eslint . --ext .ts --ignore-path ./.eslintignore --max-warnings 0" }, "dependencies": { - "@aztec/bb.js": "portal:../../../../barretenberg/ts", + "@aztec/bb.js": "0.61.0", "@noir-lang/noir_js": "workspace:*", "@noir-lang/noir_wasm": "workspace:*", "@nomicfoundation/hardhat-chai-matchers": "^2.0.0", diff --git a/noir/noir-repo/compiler/noirc_driver/src/abi_gen.rs b/noir/noir-repo/compiler/noirc_driver/src/abi_gen.rs index ad54d0f7d6b..4cd480b883d 100644 --- a/noir/noir-repo/compiler/noirc_driver/src/abi_gen.rs +++ b/noir/noir-repo/compiler/noirc_driver/src/abi_gen.rs @@ -6,6 +6,7 @@ use iter_extended::vecmap; use noirc_abi::{ Abi, AbiErrorType, AbiParameter, AbiReturnType, AbiType, AbiValue, AbiVisibility, Sign, }; +use noirc_errors::Span; use noirc_frontend::ast::{Signedness, Visibility}; use noirc_frontend::TypeBinding; use noirc_frontend::{ @@ -39,10 +40,20 @@ pub(super) fn gen_abi( Abi { parameters, return_type, error_types } } +// Get the Span of the root crate's main function, or else a dummy span if that fails +fn get_main_function_span(context: &Context) -> Span { + if let Some(func_id) = context.get_main_function(context.root_crate_id()) { + context.function_meta(&func_id).location.span + } else { + Span::default() + } +} + fn build_abi_error_type(context: &Context, typ: &Type) -> AbiErrorType { match typ { Type::FmtString(len, item_types) => { - let length = len.evaluate_to_u32().expect("Cannot evaluate fmt length"); + let span = get_main_function_span(context); + let length = len.evaluate_to_u32(span).expect("Cannot evaluate fmt length"); let Type::Tuple(item_types) = item_types.as_ref() else { unreachable!("FmtString items must be a tuple") }; @@ -58,8 +69,9 @@ pub(super) fn abi_type_from_hir_type(context: &Context, typ: &Type) -> AbiType { match typ { Type::FieldElement => AbiType::Field, Type::Array(size, typ) => { + let span = get_main_function_span(context); let length = size - .evaluate_to_u32() + .evaluate_to_u32(span) .expect("Cannot have variable sized arrays as a parameter to main"); let typ = typ.as_ref(); AbiType::Array { length, typ: Box::new(abi_type_from_hir_type(context, typ)) } @@ -86,8 +98,9 @@ pub(super) fn abi_type_from_hir_type(context: &Context, typ: &Type) -> AbiType { } Type::Bool => AbiType::Boolean, Type::String(size) => { + let span = get_main_function_span(context); let size = size - .evaluate_to_u32() + .evaluate_to_u32(span) .expect("Cannot have variable sized strings as a parameter to main"); AbiType::String { length: size } } @@ -102,6 +115,7 @@ pub(super) fn abi_type_from_hir_type(context: &Context, typ: &Type) -> AbiType { AbiType::Struct { fields, path } } Type::Alias(def, args) => abi_type_from_hir_type(context, &def.borrow().get_type(args)), + Type::CheckedCast { to, .. } => abi_type_from_hir_type(context, to), Type::Tuple(fields) => { let fields = vecmap(fields, |typ| abi_type_from_hir_type(context, typ)); AbiType::Tuple { fields } diff --git a/noir/noir-repo/compiler/noirc_driver/src/lib.rs b/noir/noir-repo/compiler/noirc_driver/src/lib.rs index c4e2491a5fe..d10029d81e6 100644 --- a/noir/noir-repo/compiler/noirc_driver/src/lib.rs +++ b/noir/noir-repo/compiler/noirc_driver/src/lib.rs @@ -456,9 +456,8 @@ fn compile_contract_inner( .secondary .iter() .filter_map(|attr| match attr { - SecondaryAttribute::Tag(attribute) | SecondaryAttribute::Meta(attribute) => { - Some(attribute.contents.clone()) - } + SecondaryAttribute::Tag(attribute) => Some(attribute.contents.clone()), + SecondaryAttribute::Meta(attribute) => Some(attribute.to_string()), _ => None, }) .collect(); diff --git a/noir/noir-repo/compiler/noirc_errors/src/debug_info.rs b/noir/noir-repo/compiler/noirc_errors/src/debug_info.rs index b480d20fde4..77028f739bd 100644 --- a/noir/noir-repo/compiler/noirc_errors/src/debug_info.rs +++ b/noir/noir-repo/compiler/noirc_errors/src/debug_info.rs @@ -12,7 +12,6 @@ use serde::Serializer; use serde_with::serde_as; use serde_with::DisplayFromStr; use std::collections::BTreeMap; -use std::collections::HashMap; use std::io::Read; use std::io::Write; use std::mem; @@ -48,6 +47,9 @@ pub type DebugVariables = BTreeMap; pub type DebugFunctions = BTreeMap; pub type DebugTypes = BTreeMap; +#[derive(Debug, Clone, Copy, Hash, PartialEq, Eq, PartialOrd, Ord, Deserialize, Serialize)] +pub struct ProcedureDebugId(pub u32); + #[derive(Default, Debug, Clone, Deserialize, Serialize)] pub struct ProgramDebugInfo { pub debug_infos: Vec, @@ -104,14 +106,9 @@ pub struct DebugInfo { pub variables: DebugVariables, pub functions: DebugFunctions, pub types: DebugTypes, -} - -/// Holds OpCodes Counts for Acir and Brillig Opcodes -/// To be printed with `nargo info --profile-info` -#[derive(Default, Debug, Serialize, Deserialize, Clone)] -pub struct OpCodesCount { - pub acir_size: usize, - pub brillig_size: usize, + /// This a map per brillig function representing the range of opcodes where a procedure is activated. + pub brillig_procedure_locs: + BTreeMap>, } impl DebugInfo { @@ -124,8 +121,12 @@ impl DebugInfo { variables: DebugVariables, functions: DebugFunctions, types: DebugTypes, + brillig_procedure_locs: BTreeMap< + BrilligFunctionId, + BTreeMap, + >, ) -> Self { - Self { locations, brillig_locations, variables, functions, types } + Self { locations, brillig_locations, variables, functions, types, brillig_procedure_locs } } /// Updates the locations map when the [`Circuit`][acvm::acir::circuit::Circuit] is modified. @@ -147,38 +148,4 @@ impl DebugInfo { pub fn opcode_location(&self, loc: &OpcodeLocation) -> Option> { self.locations.get(loc).cloned() } - - pub fn count_span_opcodes(&self) -> HashMap { - let mut accumulator: HashMap> = HashMap::new(); - - for (opcode_location, locations) in self.locations.iter() { - for location in locations.iter() { - let opcodes = accumulator.entry(*location).or_default(); - opcodes.push(opcode_location); - } - } - - let counted_opcodes = accumulator - .iter() - .map(|(location, opcodes)| { - let acir_opcodes: Vec<_> = opcodes - .iter() - .filter(|opcode_location| matches!(opcode_location, OpcodeLocation::Acir(_))) - .collect(); - let brillig_opcodes: Vec<_> = opcodes - .iter() - .filter(|opcode_location| { - matches!(opcode_location, OpcodeLocation::Brillig { .. }) - }) - .collect(); - let opcodes_count = OpCodesCount { - acir_size: acir_opcodes.len(), - brillig_size: brillig_opcodes.len(), - }; - (*location, opcodes_count) - }) - .collect(); - - counted_opcodes - } } diff --git a/noir/noir-repo/compiler/noirc_evaluator/Cargo.toml b/noir/noir-repo/compiler/noirc_evaluator/Cargo.toml index 1db6af2ae85..aac07339dd6 100644 --- a/noir/noir-repo/compiler/noirc_evaluator/Cargo.toml +++ b/noir/noir-repo/compiler/noirc_evaluator/Cargo.toml @@ -20,6 +20,7 @@ fxhash.workspace = true iter-extended.workspace = true thiserror.workspace = true num-bigint = "0.4" +num-traits.workspace = true im.workspace = true serde.workspace = true serde_json.workspace = true @@ -31,7 +32,8 @@ cfg-if.workspace = true [dev-dependencies] proptest.workspace = true +similar-asserts.workspace = true [features] bn254 = ["noirc_frontend/bn254"] -bls12_381= [] +bls12_381 = [] diff --git a/noir/noir-repo/compiler/noirc_evaluator/src/brillig/brillig_gen/brillig_block.rs b/noir/noir-repo/compiler/noirc_evaluator/src/brillig/brillig_gen/brillig_block.rs index 23c802e3a14..0e9ebd8900d 100644 --- a/noir/noir-repo/compiler/noirc_evaluator/src/brillig/brillig_gen/brillig_block.rs +++ b/noir/noir-repo/compiler/noirc_evaluator/src/brillig/brillig_gen/brillig_block.rs @@ -2,6 +2,7 @@ use crate::brillig::brillig_ir::artifact::Label; use crate::brillig::brillig_ir::brillig_variable::{ type_to_heap_value_type, BrilligArray, BrilligVariable, SingleAddrVariable, }; + use crate::brillig::brillig_ir::registers::Stack; use crate::brillig::brillig_ir::{ BrilligBinaryOp, BrilligContext, ReservedRegisters, BRILLIG_MEMORY_ADDRESSING_BIT_SIZE, @@ -1202,7 +1203,7 @@ impl<'block> BrilligBlock<'block> { let brillig_binary_op = match binary.operator { BinaryOp::Div => { if is_signed { - self.convert_signed_division(left, right, result_variable); + self.brillig_context.convert_signed_division(left, right, result_variable); return; } else if is_field { BrilligBinaryOp::FieldDiv @@ -1234,7 +1235,14 @@ impl<'block> BrilligBlock<'block> { BinaryOp::Or => BrilligBinaryOp::Or, BinaryOp::Xor => BrilligBinaryOp::Xor, BinaryOp::Shl => BrilligBinaryOp::Shl, - BinaryOp::Shr => BrilligBinaryOp::Shr, + BinaryOp::Shr => { + if is_signed { + self.convert_signed_shr(left, right, result_variable); + return; + } else { + BrilligBinaryOp::Shr + } + } }; self.brillig_context.binary_instruction(left, right, result_variable, brillig_binary_op); @@ -1250,98 +1258,6 @@ impl<'block> BrilligBlock<'block> { ); } - /// Splits a two's complement signed integer in the sign bit and the absolute value. - /// For example, -6 i8 (11111010) is split to 00000110 (6, absolute value) and 1 (is_negative). - fn absolute_value( - &mut self, - num: SingleAddrVariable, - absolute_value: SingleAddrVariable, - result_is_negative: SingleAddrVariable, - ) { - let max_positive = self - .brillig_context - .make_constant_instruction(((1_u128 << (num.bit_size - 1)) - 1).into(), num.bit_size); - - // Compute if num is negative - self.brillig_context.binary_instruction( - max_positive, - num, - result_is_negative, - BrilligBinaryOp::LessThan, - ); - - // Two's complement of num - let zero = self.brillig_context.make_constant_instruction(0_usize.into(), num.bit_size); - let twos_complement = - SingleAddrVariable::new(self.brillig_context.allocate_register(), num.bit_size); - self.brillig_context.binary_instruction(zero, num, twos_complement, BrilligBinaryOp::Sub); - - // absolute_value = result_is_negative ? twos_complement : num - self.brillig_context.codegen_branch(result_is_negative.address, |ctx, is_negative| { - if is_negative { - ctx.mov_instruction(absolute_value.address, twos_complement.address); - } else { - ctx.mov_instruction(absolute_value.address, num.address); - } - }); - - self.brillig_context.deallocate_single_addr(zero); - self.brillig_context.deallocate_single_addr(max_positive); - self.brillig_context.deallocate_single_addr(twos_complement); - } - - fn convert_signed_division( - &mut self, - left: SingleAddrVariable, - right: SingleAddrVariable, - result: SingleAddrVariable, - ) { - let left_is_negative = SingleAddrVariable::new(self.brillig_context.allocate_register(), 1); - let left_abs_value = - SingleAddrVariable::new(self.brillig_context.allocate_register(), left.bit_size); - - let right_is_negative = - SingleAddrVariable::new(self.brillig_context.allocate_register(), 1); - let right_abs_value = - SingleAddrVariable::new(self.brillig_context.allocate_register(), right.bit_size); - - let result_is_negative = - SingleAddrVariable::new(self.brillig_context.allocate_register(), 1); - - // Compute both absolute values - self.absolute_value(left, left_abs_value, left_is_negative); - self.absolute_value(right, right_abs_value, right_is_negative); - - // Perform the division on the absolute values - self.brillig_context.binary_instruction( - left_abs_value, - right_abs_value, - result, - BrilligBinaryOp::UnsignedDiv, - ); - - // Compute result sign - self.brillig_context.binary_instruction( - left_is_negative, - right_is_negative, - result_is_negative, - BrilligBinaryOp::Xor, - ); - - // If result has to be negative, perform two's complement - self.brillig_context.codegen_if(result_is_negative.address, |ctx| { - let zero = ctx.make_constant_instruction(0_usize.into(), result.bit_size); - ctx.binary_instruction(zero, result, result, BrilligBinaryOp::Sub); - ctx.deallocate_single_addr(zero); - }); - - self.brillig_context.deallocate_single_addr(left_is_negative); - self.brillig_context.deallocate_single_addr(left_abs_value); - self.brillig_context.deallocate_single_addr(right_is_negative); - self.brillig_context.deallocate_single_addr(right_abs_value); - self.brillig_context.deallocate_single_addr(result_is_negative); - } - fn convert_signed_modulo( &mut self, left: SingleAddrVariable, @@ -1354,7 +1270,7 @@ impl<'block> BrilligBlock<'block> { SingleAddrVariable::new(self.brillig_context.allocate_register(), left.bit_size); // i = left / right - self.convert_signed_division(left, right, scratch_var_i); + self.brillig_context.convert_signed_division(left, right, scratch_var_i); // j = i * right self.brillig_context.binary_instruction( @@ -1401,6 +1317,56 @@ impl<'block> BrilligBlock<'block> { self.brillig_context.deallocate_single_addr(bias); } + fn convert_signed_shr( + &mut self, + left: SingleAddrVariable, + right: SingleAddrVariable, + result: SingleAddrVariable, + ) { + // Check if left is negative + let left_is_negative = SingleAddrVariable::new(self.brillig_context.allocate_register(), 1); + let max_positive = self + .brillig_context + .make_constant_instruction(((1_u128 << (left.bit_size - 1)) - 1).into(), left.bit_size); + self.brillig_context.binary_instruction( + max_positive, + left, + left_is_negative, + BrilligBinaryOp::LessThan, + ); + + self.brillig_context.codegen_branch(left_is_negative.address, |ctx, is_negative| { + if is_negative { + let one = ctx.make_constant_instruction(1_u128.into(), left.bit_size); + + // computes 2^right + let two = ctx.make_constant_instruction(2_u128.into(), left.bit_size); + let two_pow = ctx.make_constant_instruction(1_u128.into(), left.bit_size); + let right_u32 = SingleAddrVariable::new(ctx.allocate_register(), 32); + ctx.cast(right_u32, right); + let pow_body = |ctx: &mut BrilligContext<_, _>, _: SingleAddrVariable| { + ctx.binary_instruction(two_pow, two, two_pow, BrilligBinaryOp::Mul); + }; + ctx.codegen_for_loop(None, right_u32.address, None, pow_body); + + // Right shift using division on 1-complement + ctx.binary_instruction(left, one, result, BrilligBinaryOp::Add); + ctx.convert_signed_division(result, two_pow, result); + ctx.binary_instruction(result, one, result, BrilligBinaryOp::Sub); + + // Clean-up + ctx.deallocate_single_addr(one); + ctx.deallocate_single_addr(two); + ctx.deallocate_single_addr(two_pow); + ctx.deallocate_single_addr(right_u32); + } else { + ctx.binary_instruction(left, right, result, BrilligBinaryOp::Shr); + } + }); + + self.brillig_context.deallocate_single_addr(left_is_negative); + } + #[allow(clippy::too_many_arguments)] fn add_overflow_check( &mut self, diff --git a/noir/noir-repo/compiler/noirc_evaluator/src/brillig/brillig_gen/brillig_directive.rs b/noir/noir-repo/compiler/noirc_evaluator/src/brillig/brillig_gen/brillig_directive.rs index f066d967e0d..49e259e0ce5 100644 --- a/noir/noir-repo/compiler/noirc_evaluator/src/brillig/brillig_gen/brillig_directive.rs +++ b/noir/noir-repo/compiler/noirc_evaluator/src/brillig/brillig_gen/brillig_directive.rs @@ -67,9 +67,8 @@ pub(crate) fn directive_invert() -> GeneratedBrillig { }, BrilligOpcode::Stop { return_data_offset: 0, return_data_size: 1 }, ], - assert_messages: Default::default(), - locations: Default::default(), name: "directive_invert".to_string(), + ..Default::default() } } @@ -132,8 +131,7 @@ pub(crate) fn directive_quotient() -> GeneratedBrillig { }, BrilligOpcode::Stop { return_data_offset: 0, return_data_size: 2 }, ], - assert_messages: Default::default(), - locations: Default::default(), name: "directive_integer_quotient".to_string(), + ..Default::default() } } diff --git a/noir/noir-repo/compiler/noirc_evaluator/src/brillig/brillig_ir.rs b/noir/noir-repo/compiler/noirc_evaluator/src/brillig/brillig_ir.rs index 0c6097b8f6d..66d51b2accc 100644 --- a/noir/noir-repo/compiler/noirc_evaluator/src/brillig/brillig_ir.rs +++ b/noir/noir-repo/compiler/noirc_evaluator/src/brillig/brillig_ir.rs @@ -25,6 +25,7 @@ mod entry_point; mod instructions; use artifact::Label; +use brillig_variable::SingleAddrVariable; pub(crate) use instructions::BrilligBinaryOp; use registers::{RegisterAllocator, ScratchSpace}; @@ -36,6 +37,8 @@ use acvm::{ }; use debug_show::DebugShow; +use super::ProcedureId; + /// The Brillig VM does not apply a limit to the memory address space, /// As a convention, we take use 32 bits. This means that we assume that /// memory has 2^32 memory slots. @@ -107,13 +110,99 @@ impl BrilligContext { can_call_procedures: true, } } + + /// Splits a two's complement signed integer in the sign bit and the absolute value. + /// For example, -6 i8 (11111010) is split to 00000110 (6, absolute value) and 1 (is_negative). + pub(crate) fn absolute_value( + &mut self, + num: SingleAddrVariable, + absolute_value: SingleAddrVariable, + result_is_negative: SingleAddrVariable, + ) { + let max_positive = self + .make_constant_instruction(((1_u128 << (num.bit_size - 1)) - 1).into(), num.bit_size); + + // Compute if num is negative + self.binary_instruction(max_positive, num, result_is_negative, BrilligBinaryOp::LessThan); + + // Two's complement of num + let zero = self.make_constant_instruction(0_usize.into(), num.bit_size); + let twos_complement = SingleAddrVariable::new(self.allocate_register(), num.bit_size); + self.binary_instruction(zero, num, twos_complement, BrilligBinaryOp::Sub); + + // absolute_value = result_is_negative ? twos_complement : num + self.codegen_branch(result_is_negative.address, |ctx, is_negative| { + if is_negative { + ctx.mov_instruction(absolute_value.address, twos_complement.address); + } else { + ctx.mov_instruction(absolute_value.address, num.address); + } + }); + + self.deallocate_single_addr(zero); + self.deallocate_single_addr(max_positive); + self.deallocate_single_addr(twos_complement); + } + + pub(crate) fn convert_signed_division( + &mut self, + left: SingleAddrVariable, + right: SingleAddrVariable, + result: SingleAddrVariable, + ) { + let left_is_negative = SingleAddrVariable::new(self.allocate_register(), 1); + let left_abs_value = SingleAddrVariable::new(self.allocate_register(), left.bit_size); + + let right_is_negative = SingleAddrVariable::new(self.allocate_register(), 1); + let right_abs_value = SingleAddrVariable::new(self.allocate_register(), right.bit_size); + + let result_is_negative = SingleAddrVariable::new(self.allocate_register(), 1); + + // Compute both absolute values + self.absolute_value(left, left_abs_value, left_is_negative); + self.absolute_value(right, right_abs_value, right_is_negative); + + // Perform the division on the absolute values + self.binary_instruction( + left_abs_value, + right_abs_value, + result, + BrilligBinaryOp::UnsignedDiv, + ); + + // Compute result sign + self.binary_instruction( + left_is_negative, + right_is_negative, + result_is_negative, + BrilligBinaryOp::Xor, + ); + + // If result has to be negative, perform two's complement + self.codegen_if(result_is_negative.address, |ctx| { + let zero = ctx.make_constant_instruction(0_usize.into(), result.bit_size); + ctx.binary_instruction(zero, result, result, BrilligBinaryOp::Sub); + ctx.deallocate_single_addr(zero); + }); + + self.deallocate_single_addr(left_is_negative); + self.deallocate_single_addr(left_abs_value); + self.deallocate_single_addr(right_is_negative); + self.deallocate_single_addr(right_abs_value); + self.deallocate_single_addr(result_is_negative); + } } /// Special brillig context to codegen compiler intrinsic shared procedures impl BrilligContext { - pub(crate) fn new_for_procedure(enable_debug_trace: bool) -> BrilligContext { + pub(crate) fn new_for_procedure( + enable_debug_trace: bool, + procedure_id: ProcedureId, + ) -> BrilligContext { + let mut obj = BrilligArtifact::default(); + obj.procedure = Some(procedure_id); BrilligContext { - obj: BrilligArtifact::default(), + obj, registers: ScratchSpace::new(), context_label: Label::entrypoint(), current_section: 0, diff --git a/noir/noir-repo/compiler/noirc_evaluator/src/brillig/brillig_ir/artifact.rs b/noir/noir-repo/compiler/noirc_evaluator/src/brillig/brillig_ir/artifact.rs index d0bd91e185c..276456fc40d 100644 --- a/noir/noir-repo/compiler/noirc_evaluator/src/brillig/brillig_ir/artifact.rs +++ b/noir/noir-repo/compiler/noirc_evaluator/src/brillig/brillig_ir/artifact.rs @@ -1,9 +1,10 @@ use acvm::acir::brillig::Opcode as BrilligOpcode; use std::collections::{BTreeMap, HashMap}; -use crate::brillig::brillig_ir::procedures::ProcedureId; use crate::ssa::ir::{basic_block::BasicBlockId, dfg::CallStack, function::FunctionId}; +use super::procedures::ProcedureId; + /// Represents a parameter or a return value of an entry point function. #[derive(Debug, Clone, Eq, PartialEq, Hash, PartialOrd, Ord)] pub(crate) enum BrilligParameter { @@ -24,6 +25,7 @@ pub(crate) struct GeneratedBrillig { pub(crate) locations: BTreeMap, pub(crate) assert_messages: BTreeMap, pub(crate) name: String, + pub(crate) procedure_locations: HashMap, } #[derive(Default, Debug, Clone)] @@ -53,6 +55,14 @@ pub(crate) struct BrilligArtifact { call_stack: CallStack, /// Name of the function, only used for debugging purposes. pub(crate) name: String, + + /// This field contains the given procedure id if this artifact originates from as procedure + pub(crate) procedure: Option, + /// Procedure ID mapped to the range of its opcode locations + /// This is created as artifacts are linked together and allows us to determine + /// which opcodes originate from reusable procedures.s + /// The range is inclusive for both start and end opcode locations. + pub(crate) procedure_locations: HashMap, } /// A pointer to a location in the opcode. @@ -149,6 +159,7 @@ impl BrilligArtifact { locations: self.locations, assert_messages: self.assert_messages, name: self.name, + procedure_locations: self.procedure_locations, } } diff --git a/noir/noir-repo/compiler/noirc_evaluator/src/brillig/brillig_ir/procedures/mod.rs b/noir/noir-repo/compiler/noirc_evaluator/src/brillig/brillig_ir/procedures/mod.rs index 1c3d1f4d0ad..e17b4ac9359 100644 --- a/noir/noir-repo/compiler/noirc_evaluator/src/brillig/brillig_ir/procedures/mod.rs +++ b/noir/noir-repo/compiler/noirc_evaluator/src/brillig/brillig_ir/procedures/mod.rs @@ -13,8 +13,10 @@ use array_copy::compile_array_copy_procedure; use array_reverse::compile_array_reverse_procedure; use check_max_stack_depth::compile_check_max_stack_depth_procedure; use mem_copy::compile_mem_copy_procedure; +use noirc_errors::debug_info::ProcedureDebugId; use prepare_vector_insert::compile_prepare_vector_insert_procedure; use prepare_vector_push::compile_prepare_vector_push_procedure; +use serde::{Deserialize, Serialize}; use vector_copy::compile_vector_copy_procedure; use vector_pop_back::compile_vector_pop_back_procedure; use vector_pop_front::compile_vector_pop_front_procedure; @@ -31,8 +33,8 @@ use super::{ /// Procedures are a set of complex operations that are common in the noir language. /// Extracting them to reusable procedures allows us to reduce the size of the generated Brillig. /// Procedures receive their arguments on scratch space to avoid stack dumping&restoring. -#[derive(Debug, Clone, Copy, Eq, PartialEq, Hash)] -pub(crate) enum ProcedureId { +#[derive(Debug, Clone, Copy, Eq, PartialEq, Hash, PartialOrd, Ord, Deserialize, Serialize)] +pub enum ProcedureId { ArrayCopy, ArrayReverse, VectorCopy, @@ -45,10 +47,63 @@ pub(crate) enum ProcedureId { CheckMaxStackDepth, } +impl ProcedureId { + pub(crate) fn to_debug_id(self) -> ProcedureDebugId { + ProcedureDebugId(match self { + ProcedureId::ArrayCopy => 0, + ProcedureId::ArrayReverse => 1, + ProcedureId::VectorCopy => 2, + ProcedureId::MemCopy => 3, + ProcedureId::PrepareVectorPush(true) => 4, + ProcedureId::PrepareVectorPush(false) => 5, + ProcedureId::VectorPopFront => 6, + ProcedureId::VectorPopBack => 7, + ProcedureId::PrepareVectorInsert => 8, + ProcedureId::VectorRemove => 9, + ProcedureId::CheckMaxStackDepth => 10, + }) + } + + pub fn from_debug_id(debug_id: ProcedureDebugId) -> Self { + let inner = debug_id.0; + match inner { + 0 => ProcedureId::ArrayCopy, + 1 => ProcedureId::ArrayReverse, + 2 => ProcedureId::VectorCopy, + 3 => ProcedureId::MemCopy, + 4 => ProcedureId::PrepareVectorPush(true), + 5 => ProcedureId::PrepareVectorPush(false), + 6 => ProcedureId::VectorPopFront, + 7 => ProcedureId::VectorPopBack, + 8 => ProcedureId::PrepareVectorInsert, + 9 => ProcedureId::VectorRemove, + 10 => ProcedureId::CheckMaxStackDepth, + _ => panic!("Unsupported procedure debug ID of {inner} was supplied"), + } + } +} + +impl std::fmt::Display for ProcedureId { + fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { + match self { + ProcedureId::ArrayCopy => write!(f, "ArrayCopy"), + ProcedureId::ArrayReverse => write!(f, "ArrayReverse"), + ProcedureId::VectorCopy => write!(f, "VectorCopy"), + ProcedureId::MemCopy => write!(f, "MemCopy"), + ProcedureId::PrepareVectorPush(flag) => write!(f, "PrepareVectorPush({flag})"), + ProcedureId::VectorPopFront => write!(f, "VectorPopFront"), + ProcedureId::VectorPopBack => write!(f, "VectorPopBack"), + ProcedureId::PrepareVectorInsert => write!(f, "PrepareVectorInsert"), + ProcedureId::VectorRemove => write!(f, "VectorRemove"), + ProcedureId::CheckMaxStackDepth => write!(f, "CheckMaxStackDepth"), + } + } +} + pub(crate) fn compile_procedure( procedure_id: ProcedureId, ) -> BrilligArtifact { - let mut brillig_context = BrilligContext::new_for_procedure(false); + let mut brillig_context = BrilligContext::new_for_procedure(false, procedure_id); brillig_context.enter_context(Label::procedure(procedure_id)); match procedure_id { diff --git a/noir/noir-repo/compiler/noirc_evaluator/src/brillig/mod.rs b/noir/noir-repo/compiler/noirc_evaluator/src/brillig/mod.rs index f1da76669cd..1b61ae1a864 100644 --- a/noir/noir-repo/compiler/noirc_evaluator/src/brillig/mod.rs +++ b/noir/noir-repo/compiler/noirc_evaluator/src/brillig/mod.rs @@ -18,6 +18,8 @@ use crate::ssa::{ use fxhash::FxHashMap as HashMap; use std::{borrow::Cow, collections::BTreeSet}; +pub use self::brillig_ir::procedures::ProcedureId; + /// Context structure for the brillig pass. /// It stores brillig-related data required for brillig generation. #[derive(Default)] diff --git a/noir/noir-repo/compiler/noirc_evaluator/src/lib.rs b/noir/noir-repo/compiler/noirc_evaluator/src/lib.rs index 54376963338..453e8b59f58 100644 --- a/noir/noir-repo/compiler/noirc_evaluator/src/lib.rs +++ b/noir/noir-repo/compiler/noirc_evaluator/src/lib.rs @@ -12,3 +12,21 @@ pub mod ssa; pub mod brillig; pub use ssa::create_program; + +/// Trims leading whitespace from each line of the input string, according to +/// how much leading whitespace there is on the first non-empty line. +#[cfg(test)] +pub(crate) fn trim_leading_whitespace_from_lines(src: &str) -> String { + let mut lines = src.trim_end().lines(); + let mut first_line = lines.next().unwrap(); + while first_line.is_empty() { + first_line = lines.next().unwrap(); + } + let indent = first_line.len() - first_line.trim_start().len(); + let mut result = first_line.trim_start().to_string(); + for line in lines { + result.push('\n'); + result.push_str(&line[indent..]); + } + result +} diff --git a/noir/noir-repo/compiler/noirc_evaluator/src/ssa.rs b/noir/noir-repo/compiler/noirc_evaluator/src/ssa.rs index ea41b0cfb32..977ced3c242 100644 --- a/noir/noir-repo/compiler/noirc_evaluator/src/ssa.rs +++ b/noir/noir-repo/compiler/noirc_evaluator/src/ssa.rs @@ -45,6 +45,7 @@ mod checks; pub(super) mod function_builder; pub mod ir; mod opt; +mod parser; pub mod ssa_gen; pub struct SsaEvaluatorOptions { @@ -97,28 +98,28 @@ pub(crate) fn optimize_into_acir( .run_pass(Ssa::remove_paired_rc, "After Removing Paired rc_inc & rc_decs:") .run_pass(Ssa::separate_runtime, "After Runtime Separation:") .run_pass(Ssa::resolve_is_unconstrained, "After Resolving IsUnconstrained:") - .run_pass(|ssa| ssa.inline_functions(options.inliner_aggressiveness), "After Inlining:") + .run_pass(|ssa| ssa.inline_functions(options.inliner_aggressiveness), "After Inlining (1st):") // Run mem2reg with the CFG separated into blocks - .run_pass(Ssa::mem2reg, "After Mem2Reg:") - .run_pass(Ssa::simplify_cfg, "After Simplifying:") + .run_pass(Ssa::mem2reg, "After Mem2Reg (1st):") + .run_pass(Ssa::simplify_cfg, "After Simplifying (1st):") .run_pass(Ssa::as_slice_optimization, "After `as_slice` optimization") .try_run_pass( Ssa::evaluate_static_assert_and_assert_constant, "After `static_assert` and `assert_constant`:", )? .try_run_pass(Ssa::unroll_loops_iteratively, "After Unrolling:")? - .run_pass(Ssa::simplify_cfg, "After Simplifying:") + .run_pass(Ssa::simplify_cfg, "After Simplifying (2nd):") .run_pass(Ssa::flatten_cfg, "After Flattening:") .run_pass(Ssa::remove_bit_shifts, "After Removing Bit Shifts:") // Run mem2reg once more with the flattened CFG to catch any remaining loads/stores - .run_pass(Ssa::mem2reg, "After Mem2Reg:") + .run_pass(Ssa::mem2reg, "After Mem2Reg (2nd):") // Run the inlining pass again to handle functions with `InlineType::NoPredicates`. // Before flattening is run, we treat functions marked with the `InlineType::NoPredicates` as an entry point. // This pass must come immediately following `mem2reg` as the succeeding passes // may create an SSA which inlining fails to handle. .run_pass( |ssa| ssa.inline_functions_with_no_predicates(options.inliner_aggressiveness), - "After Inlining:", + "After Inlining (2nd):", ) .run_pass(Ssa::remove_if_else, "After Remove IfElse:") .run_pass(Ssa::fold_constants, "After Constant Folding:") @@ -291,6 +292,7 @@ fn convert_generated_acir_into_circuit( assertion_payloads: assert_messages, warnings, name, + brillig_procedure_locs, .. } = generated_acir; @@ -328,8 +330,14 @@ fn convert_generated_acir_into_circuit( }) .collect(); - let mut debug_info = - DebugInfo::new(locations, brillig_locations, debug_variables, debug_functions, debug_types); + let mut debug_info = DebugInfo::new( + locations, + brillig_locations, + debug_variables, + debug_functions, + debug_types, + brillig_procedure_locs, + ); // Perform any ACIR-level optimizations let (optimized_circuit, transformation_map) = acvm::compiler::optimize(circuit); @@ -358,8 +366,8 @@ fn split_public_and_private_inputs( func_sig .0 .iter() - .map(|(_, typ, visibility)| { - let num_field_elements_needed = typ.field_count() as usize; + .map(|(pattern, typ, visibility)| { + let num_field_elements_needed = typ.field_count(&pattern.location()) as usize; let witnesses = input_witnesses[idx..idx + num_field_elements_needed].to_vec(); idx += num_field_elements_needed; (visibility, witnesses) diff --git a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/acir_gen/acir_ir/acir_variable.rs b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/acir_gen/acir_ir/acir_variable.rs index 811b728a9d5..3f4420a416e 100644 --- a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/acir_gen/acir_ir/acir_variable.rs +++ b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/acir_gen/acir_ir/acir_variable.rs @@ -13,6 +13,7 @@ use acvm::acir::circuit::opcodes::{ }; use acvm::acir::circuit::{AssertionPayload, ExpressionOrMemory, ExpressionWidth, Opcode}; use acvm::brillig_vm::{MemoryValue, VMStatus, VM}; +use acvm::BlackBoxFunctionSolver; use acvm::{ acir::AcirField, acir::{ @@ -107,7 +108,9 @@ impl From for AcirType { /// Context object which holds the relationship between /// `Variables`(AcirVar) and types such as `Expression` and `Witness` /// which are placed into ACIR. -pub(crate) struct AcirContext { +pub(crate) struct AcirContext> { + blackbox_solver: B, + /// Two-way map that links `AcirVar` to `AcirVarData`. /// /// The vars object is an instance of the `TwoWayMap`, which provides a bidirectional mapping between `AcirVar` and `AcirVarData`. @@ -132,7 +135,7 @@ pub(crate) struct AcirContext { pub(crate) warnings: Vec, } -impl AcirContext { +impl> AcirContext { pub(crate) fn set_expression_width(&mut self, expression_width: ExpressionWidth) { self.expression_width = expression_width; } @@ -1758,8 +1761,8 @@ impl AcirContext { brillig_stdlib_func, ); - fn range_constraint_value( - context: &mut AcirContext, + fn range_constraint_value>( + context: &mut AcirContext, value: &AcirValue, ) -> Result<(), RuntimeError> { match value { @@ -1878,7 +1881,7 @@ impl AcirContext { inputs: &[BrilligInputs], outputs_types: &[AcirType], ) -> Option> { - let mut memory = (execute_brillig(code, inputs)?).into_iter(); + let mut memory = (execute_brillig(code, &self.blackbox_solver, inputs)?).into_iter(); let outputs_var = vecmap(outputs_types.iter(), |output| match output { AcirType::NumericType(_) => { @@ -2164,8 +2167,9 @@ pub(crate) struct AcirVar(usize); /// Returns the finished state of the Brillig VM if execution can complete. /// /// Returns `None` if complete execution of the Brillig bytecode is not possible. -fn execute_brillig( +fn execute_brillig>( code: &[BrilligOpcode], + blackbox_solver: &B, inputs: &[BrilligInputs], ) -> Option>> { // Set input values @@ -2191,12 +2195,8 @@ fn execute_brillig( } // Instantiate a Brillig VM given the solved input registers and memory, along with the Brillig bytecode. - // - // We pass a stubbed solver here as a concrete solver implies a field choice which conflicts with this function - // being generic. - let solver = acvm::blackbox_solver::StubbedBlackBoxSolver; let profiling_active = false; - let mut vm = VM::new(calldata, code, Vec::new(), &solver, profiling_active); + let mut vm = VM::new(calldata, code, Vec::new(), blackbox_solver, profiling_active); // Run the Brillig VM on these inputs, bytecode, etc! let vm_status = vm.process_opcodes(); diff --git a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/acir_gen/acir_ir/generated_acir.rs b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/acir_gen/acir_ir/generated_acir.rs index 01fcaef9042..9a12fbe2441 100644 --- a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/acir_gen/acir_ir/generated_acir.rs +++ b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/acir_gen/acir_ir/generated_acir.rs @@ -20,7 +20,9 @@ use acvm::{ acir::AcirField, acir::{circuit::directives::Directive, native_types::Expression}, }; + use iter_extended::vecmap; +use noirc_errors::debug_info::ProcedureDebugId; use num_bigint::BigUint; /// Brillig calls such as for the Brillig std lib are resolved only after code generation is finished. @@ -72,6 +74,11 @@ pub(crate) struct GeneratedAcir { /// As to avoid passing the ACIR gen shared context into each individual ACIR /// we can instead keep this map and resolve the Brillig calls at the end of code generation. pub(crate) brillig_stdlib_func_locations: BTreeMap, + + /// Brillig function id -> Brillig procedure locations map + /// This maps allows a profiler to determine which Brillig opcodes + /// originated from a reusable procedure. + pub(crate) brillig_procedure_locs: BTreeMap, } /// Correspondence between an opcode index (in opcodes) and the source code call stack which generated it @@ -79,6 +86,8 @@ pub(crate) type OpcodeToLocationsMap = BTreeMap; pub(crate) type BrilligOpcodeToLocationsMap = BTreeMap; +pub(crate) type BrilligProcedureRangeMap = BTreeMap; + #[derive(Debug, Clone, Copy, Hash, PartialEq, Eq)] pub(crate) enum BrilligStdlibFunc { Inverse, @@ -591,6 +600,14 @@ impl GeneratedAcir { return; } + for (procedure_id, (start_index, end_index)) in generated_brillig.procedure_locations.iter() + { + self.brillig_procedure_locs + .entry(brillig_function_index) + .or_default() + .insert(procedure_id.to_debug_id(), (*start_index, *end_index)); + } + for (brillig_index, call_stack) in generated_brillig.locations.iter() { self.brillig_locations .entry(brillig_function_index) diff --git a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/acir_gen/mod.rs b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/acir_gen/mod.rs index 50a895df237..d8c870a5006 100644 --- a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/acir_gen/mod.rs +++ b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/acir_gen/mod.rs @@ -30,6 +30,7 @@ use crate::brillig::{brillig_gen::brillig_fn::FunctionContext as BrilligFunction use crate::errors::{InternalError, InternalWarning, RuntimeError, SsaReport}; pub(crate) use acir_ir::generated_acir::GeneratedAcir; use acvm::acir::circuit::opcodes::{AcirFunctionId, BlockType}; +use bn254_blackbox_solver::Bn254BlackBoxSolver; use noirc_frontend::monomorphization::ast::InlineType; use acvm::acir::circuit::brillig::{BrilligBytecode, BrilligFunctionId}; @@ -156,7 +157,7 @@ struct Context<'a> { current_side_effects_enabled_var: AcirVar, /// Manages and builds the `AcirVar`s to which the converted SSA values refer. - acir_context: AcirContext, + acir_context: AcirContext, /// Track initialized acir dynamic arrays /// @@ -1003,6 +1004,15 @@ impl<'a> Context<'a> { } }; entry_point.link_with(artifact); + // Insert the range of opcode locations occupied by a procedure + if let Some(procedure_id) = artifact.procedure { + let num_opcodes = entry_point.byte_code.len(); + let previous_num_opcodes = entry_point.byte_code.len() - artifact.byte_code.len(); + // We subtract one as to keep the range inclusive on both ends + entry_point + .procedure_locations + .insert(procedure_id, (previous_num_opcodes, num_opcodes - 1)); + } } // Generate the final bytecode Ok(entry_point.finish()) diff --git a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/function_builder/data_bus.rs b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/function_builder/data_bus.rs index de9ae8a24d7..5a62e9c8e9a 100644 --- a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/function_builder/data_bus.rs +++ b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/function_builder/data_bus.rs @@ -48,7 +48,7 @@ impl DataBusBuilder { ast::Visibility::CallData(id) => DatabusVisibility::CallData(id), ast::Visibility::ReturnData => DatabusVisibility::ReturnData, }; - let len = param.1.field_count() as usize; + let len = param.1.field_count(¶m.0.location()) as usize; params_is_databus.extend(vec![is_databus; len]); } params_is_databus diff --git a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/function_builder/mod.rs b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/function_builder/mod.rs index f810b65d105..61284b0be95 100644 --- a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/function_builder/mod.rs +++ b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/function_builder/mod.rs @@ -327,6 +327,16 @@ impl FunctionBuilder { .first() } + pub(crate) fn insert_mutable_array_set( + &mut self, + array: ValueId, + index: ValueId, + value: ValueId, + ) -> ValueId { + self.insert_instruction(Instruction::ArraySet { array, index, value, mutable: true }, None) + .first() + } + /// Insert an instruction to increment an array's reference count. This only has an effect /// in unconstrained code where arrays are reference counted and copy on write. pub(crate) fn insert_inc_rc(&mut self, value: ValueId) { @@ -442,13 +452,7 @@ impl FunctionBuilder { match self.type_of_value(value) { Type::Numeric(_) => (), Type::Function => (), - Type::Reference(element) => { - if element.contains_an_array() { - let reference = value; - let value = self.insert_load(reference, element.as_ref().clone()); - self.update_array_reference_count(value, increment); - } - } + Type::Reference(_) => (), Type::Array(..) | Type::Slice(..) => { // If there are nested arrays or slices, we wait until ArrayGet // is issued to increment the count of that array. diff --git a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/ir/dfg.rs b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/ir/dfg.rs index d79916a9e11..2be9ffa9afa 100644 --- a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/ir/dfg.rs +++ b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/ir/dfg.rs @@ -74,8 +74,9 @@ pub(crate) struct DataFlowGraph { blocks: DenseMap, /// Debugging information about which `ValueId`s have had their underlying `Value` substituted - /// for that of another. This information is purely used for printing the SSA, and has no - /// material effect on the SSA itself. + /// for that of another. In theory this information is purely used for printing the SSA, + /// and has no material effect on the SSA itself, however in practice the IDs can get out of + /// sync and may need this resolution before they can be compared. #[serde(skip)] replaced_value_ids: HashMap, diff --git a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/ir/instruction/binary.rs b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/ir/instruction/binary.rs index 03262be0a06..487370488b9 100644 --- a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/ir/instruction/binary.rs +++ b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/ir/instruction/binary.rs @@ -281,15 +281,7 @@ impl Binary { let zero = dfg.make_constant(FieldElement::zero(), operand_type); return SimplifyResult::SimplifiedTo(zero); } - - // `two_pow_rhs` is limited to be at most `2 ^ {operand_bitsize - 1}` so it fits in `operand_type`. - let two_pow_rhs = FieldElement::from(2u128).pow(&rhs_const); - let two_pow_rhs = dfg.make_constant(two_pow_rhs, operand_type); - return SimplifyResult::SimplifiedToInstruction(Instruction::binary( - BinaryOp::Div, - self.lhs, - two_pow_rhs, - )); + return SimplifyResult::None; } } }; diff --git a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/ir/printer.rs b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/ir/printer.rs index 2b564c14aa7..21de85dbecb 100644 --- a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/ir/printer.rs +++ b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/ir/printer.rs @@ -70,9 +70,16 @@ fn value(function: &Function, id: ValueId) -> String { } Value::Function(id) => id.to_string(), Value::Intrinsic(intrinsic) => intrinsic.to_string(), - Value::Array { array, .. } => { + Value::Array { array, typ } => { let elements = vecmap(array, |element| value(function, *element)); - format!("[{}]", elements.join(", ")) + let element_types = &typ.clone().element_types(); + let element_types_str = + element_types.iter().map(|typ| typ.to_string()).collect::>().join(", "); + if element_types.len() == 1 { + format!("[{}] of {}", elements.join(", "), element_types_str) + } else { + format!("[{}] of ({})", elements.join(", "), element_types_str) + } } Value::Param { .. } | Value::Instruction { .. } | Value::ForeignFunction(_) => { id.to_string() @@ -120,7 +127,11 @@ pub(crate) fn display_terminator( ) } Some(TerminatorInstruction::Return { return_values, .. }) => { - writeln!(f, " return {}", value_list(function, return_values)) + if return_values.is_empty() { + writeln!(f, " return") + } else { + writeln!(f, " return {}", value_list(function, return_values)) + } } None => writeln!(f, " (no terminator instruction)"), } @@ -140,12 +151,13 @@ pub(crate) fn display_instruction( write!(f, "{} = ", value_list(function, results))?; } - display_instruction_inner(function, &function.dfg[instruction], f) + display_instruction_inner(function, &function.dfg[instruction], results, f) } fn display_instruction_inner( function: &Function, instruction: &Instruction, + results: &[ValueId], f: &mut Formatter, ) -> Result { let show = |id| value(function, id); @@ -169,10 +181,15 @@ fn display_instruction_inner( } } Instruction::Call { func, arguments } => { - writeln!(f, "call {}({})", show(*func), value_list(function, arguments)) + let arguments = value_list(function, arguments); + writeln!(f, "call {}({}){}", show(*func), arguments, result_types(function, results)) + } + Instruction::Allocate => { + writeln!(f, "allocate{}", result_types(function, results)) + } + Instruction::Load { address } => { + writeln!(f, "load {}{}", show(*address), result_types(function, results)) } - Instruction::Allocate => writeln!(f, "allocate"), - Instruction::Load { address } => writeln!(f, "load {}", show(*address)), Instruction::Store { address, value } => { writeln!(f, "store {} at {}", show(*value), show(*address)) } @@ -180,7 +197,13 @@ fn display_instruction_inner( writeln!(f, "enable_side_effects {}", show(*condition)) } Instruction::ArrayGet { array, index } => { - writeln!(f, "array_get {}, index {}", show(*array), show(*index)) + writeln!( + f, + "array_get {}, index {}{}", + show(*array), + show(*index), + result_types(function, results) + ) } Instruction::ArraySet { array, index, value, mutable } => { let array = show(*array); @@ -211,6 +234,17 @@ fn display_instruction_inner( } } +fn result_types(function: &Function, results: &[ValueId]) -> String { + let types = vecmap(results, |result| function.dfg.type_of_value(*result).to_string()); + if types.is_empty() { + String::new() + } else if types.len() == 1 { + format!(" -> {}", types[0]) + } else { + format!(" -> ({})", types.join(", ")) + } +} + /// Tries to extract a constant string from an error payload. pub(crate) fn try_to_extract_string_from_error_payload( error_selector: ErrorSelector, diff --git a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/ir/types.rs b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/ir/types.rs index b7ee37ba17a..130f1d59e46 100644 --- a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/ir/types.rs +++ b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/ir/types.rs @@ -204,6 +204,17 @@ impl Type { Type::Slice(element_types) | Type::Array(element_types, _) => element_types[0].first(), } } + + /// True if this is a reference type or if it is a composite type which contains a reference. + pub(crate) fn contains_reference(&self) -> bool { + match self { + Type::Reference(_) => true, + Type::Numeric(_) | Type::Function => false, + Type::Array(elements, _) | Type::Slice(elements) => { + elements.iter().any(|elem| elem.contains_reference()) + } + } + } } /// Composite Types are essentially flattened struct or tuple types. @@ -218,7 +229,11 @@ impl std::fmt::Display for Type { Type::Reference(element) => write!(f, "&mut {element}"), Type::Array(element, length) => { let elements = vecmap(element.iter(), |element| element.to_string()); - write!(f, "[{}; {length}]", elements.join(", ")) + if elements.len() == 1 { + write!(f, "[{}; {length}]", elements.join(", ")) + } else { + write!(f, "[({}); {length}]", elements.join(", ")) + } } Type::Slice(element) => { let elements = vecmap(element.iter(), |element| element.to_string()); diff --git a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/array_set.rs b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/array_set.rs index 7035345436e..e7f69f87da8 100644 --- a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/array_set.rs +++ b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/array_set.rs @@ -34,8 +34,11 @@ impl Function { assert_eq!(reachable_blocks.len(), 1, "Expected there to be 1 block remaining in Acir function for array_set optimization"); } - let mut context = - Context::new(&self.dfg, matches!(self.runtime(), RuntimeType::Brillig(_))); + let mut context = Context::new( + &self.dfg, + self.parameters(), + matches!(self.runtime(), RuntimeType::Brillig(_)), + ); for block in reachable_blocks.iter() { context.analyze_last_uses(*block); @@ -50,19 +53,25 @@ impl Function { struct Context<'f> { dfg: &'f DataFlowGraph, + function_parameters: &'f [ValueId], is_brillig_runtime: bool, array_to_last_use: HashMap, instructions_that_can_be_made_mutable: HashSet, // Mapping of an array that comes from a load and whether the address - // it was loaded from is a reference parameter. + // it was loaded from is a reference parameter passed to the block. arrays_from_load: HashMap, inner_nested_arrays: HashMap, } impl<'f> Context<'f> { - fn new(dfg: &'f DataFlowGraph, is_brillig_runtime: bool) -> Self { + fn new( + dfg: &'f DataFlowGraph, + function_parameters: &'f [ValueId], + is_brillig_runtime: bool, + ) -> Self { Context { dfg, + function_parameters, is_brillig_runtime, array_to_last_use: HashMap::default(), instructions_that_can_be_made_mutable: HashSet::default(), @@ -105,23 +114,34 @@ impl<'f> Context<'f> { // If the array comes from a load we may potentially being mutating an array at a reference // that is loaded from by other values. let terminator = self.dfg[block_id].unwrap_terminator(); + // If we are in a return block we are not concerned about the array potentially being mutated again. let is_return_block = matches!(terminator, TerminatorInstruction::Return { .. }); + // We also want to check that the array is not part of the terminator arguments, as this means it is used again. - let mut array_in_terminator = false; + let mut is_array_in_terminator = false; terminator.for_each_value(|value| { - if value == array { - array_in_terminator = true; + // The terminator can contain original IDs, while the SSA has replaced the array value IDs; we need to resolve to compare. + if !is_array_in_terminator && self.dfg.resolve(value) == array { + is_array_in_terminator = true; } }); - if let Some(is_from_param) = self.arrays_from_load.get(&array) { + + // We cannot safely mutate slices that are inputs to the function, as they might be shared with the caller. + // NB checking the block parameters is not enough, as we might have jumped into a parameterless blocks inside the function. + let is_function_param = self.function_parameters.contains(&array); + + let can_mutate = if let Some(is_from_param) = self.arrays_from_load.get(&array) + { // If the array was loaded from a reference parameter, we cannot // safely mark that array mutable as it may be shared by another value. - if !is_from_param && is_return_block { - self.instructions_that_can_be_made_mutable.insert(*instruction_id); - } - } else if !array_in_terminator { + !is_from_param && is_return_block + } else { + !is_array_in_terminator && !is_function_param + }; + + if can_mutate { self.instructions_that_can_be_made_mutable.insert(*instruction_id); } } @@ -186,135 +206,47 @@ fn make_mutable( #[cfg(test)] mod tests { - use std::sync::Arc; - - use im::vector; - use noirc_frontend::monomorphization::ast::InlineType; - - use crate::ssa::{ - function_builder::FunctionBuilder, - ir::{ - function::RuntimeType, - instruction::{BinaryOp, Instruction}, - map::Id, - types::Type, - }, - }; + use crate::ssa::{opt::assert_normalized_ssa_equals, Ssa}; #[test] fn array_set_in_loop_with_conditional_clone() { // We want to make sure that we do not mark a single array set mutable which is loaded // from and cloned in a loop. If the array is inadvertently marked mutable, and is cloned in a previous iteration // of the loop, its clone will also be altered. - // - // brillig fn main f0 { - // b0(): - // v3 = allocate - // store [[Field 0, Field 0, Field 0, Field 0, Field 0], [Field 0, Field 0, Field 0, Field 0, Field 0]] at v3 - // v4 = allocate - // store [[Field 0, Field 0, Field 0, Field 0, Field 0], [Field 0, Field 0, Field 0, Field 0, Field 0]] at v4 - // jmp b1(u32 0) - // b1(v6: u32): - // v8 = lt v6, u32 5 - // jmpif v8 then: b3, else: b2 - // b3(): - // v9 = eq v6, u32 5 - // jmpif v9 then: b4, else: b5 - // b4(): - // v10 = load v3 - // store v10 at v4 - // jmp b5() - // b5(): - // v11 = load v3 - // v13 = array_get v11, index Field 0 - // v14 = array_set v13, index v6, value Field 20 - // v15 = array_set v11, index v6, value v14 - // store v15 at v3 - // v17 = add v6, u32 1 - // jmp b1(v17) - // b2(): - // return - // } - let main_id = Id::test_new(0); - let mut builder = FunctionBuilder::new("main".into(), main_id); - builder.set_runtime(RuntimeType::Brillig(InlineType::default())); - - let array_type = Type::Array(Arc::new(vec![Type::field()]), 5); - let zero = builder.field_constant(0u128); - let array_constant = - builder.array_constant(vector![zero, zero, zero, zero, zero], array_type.clone()); - let nested_array_type = Type::Array(Arc::new(vec![array_type.clone()]), 2); - let nested_array_constant = builder - .array_constant(vector![array_constant, array_constant], nested_array_type.clone()); - - let v3 = builder.insert_allocate(array_type.clone()); - - builder.insert_store(v3, nested_array_constant); - - let v4 = builder.insert_allocate(array_type.clone()); - builder.insert_store(v4, nested_array_constant); - - let b1 = builder.insert_block(); - let zero_u32 = builder.numeric_constant(0u128, Type::unsigned(32)); - builder.terminate_with_jmp(b1, vec![zero_u32]); - - // Loop header - builder.switch_to_block(b1); - let v5 = builder.add_block_parameter(b1, Type::unsigned(32)); - let five = builder.numeric_constant(5u128, Type::unsigned(32)); - let v8 = builder.insert_binary(v5, BinaryOp::Lt, five); - - let b2 = builder.insert_block(); - let b3 = builder.insert_block(); - let b4 = builder.insert_block(); - let b5 = builder.insert_block(); - builder.terminate_with_jmpif(v8, b3, b2); - - // Loop body - // b3 is the if statement conditional - builder.switch_to_block(b3); - let two = builder.numeric_constant(5u128, Type::unsigned(32)); - let v9 = builder.insert_binary(v5, BinaryOp::Eq, two); - builder.terminate_with_jmpif(v9, b4, b5); - - // b4 is the rest of the loop after the if statement - builder.switch_to_block(b4); - let v10 = builder.insert_load(v3, nested_array_type.clone()); - builder.insert_store(v4, v10); - builder.terminate_with_jmp(b5, vec![]); - - builder.switch_to_block(b5); - let v11 = builder.insert_load(v3, nested_array_type.clone()); - let twenty = builder.field_constant(20u128); - let v13 = builder.insert_array_get(v11, zero, array_type.clone()); - let v14 = builder.insert_array_set(v13, v5, twenty); - let v15 = builder.insert_array_set(v11, v5, v14); - - builder.insert_store(v3, v15); - let one = builder.numeric_constant(1u128, Type::unsigned(32)); - let v17 = builder.insert_binary(v5, BinaryOp::Add, one); - builder.terminate_with_jmp(b1, vec![v17]); - - builder.switch_to_block(b2); - builder.terminate_with_return(vec![]); + let src = " + brillig(inline) fn main f0 { + b0(): + v1 = allocate -> &mut [Field; 5] + store [[Field 0, Field 0, Field 0, Field 0, Field 0] of Field, [Field 0, Field 0, Field 0, Field 0, Field 0] of Field] of [Field; 5] at v1 + v6 = allocate -> &mut [Field; 5] + store [[Field 0, Field 0, Field 0, Field 0, Field 0] of Field, [Field 0, Field 0, Field 0, Field 0, Field 0] of Field] of [Field; 5] at v6 + jmp b1(u32 0) + b1(v0: u32): + v12 = lt v0, u32 5 + jmpif v12 then: b3, else: b2 + b3(): + v13 = eq v0, u32 5 + jmpif v13 then: b4, else: b5 + b4(): + v14 = load v1 -> [[Field; 5]; 2] + store v14 at v6 + jmp b5() + b5(): + v15 = load v1 -> [[Field; 5]; 2] + v16 = array_get v15, index Field 0 -> [Field; 5] + v18 = array_set v16, index v0, value Field 20 + v19 = array_set v15, index v0, value v18 + store v19 at v1 + v21 = add v0, u32 1 + jmp b1(v21) + b2(): + return + } + "; + let ssa = Ssa::from_str(src).unwrap(); - let ssa = builder.finish(); // We expect the same result as above let ssa = ssa.array_set_optimization(); - - let main = ssa.main(); - assert_eq!(main.reachable_blocks().len(), 6); - - let array_set_instructions = main.dfg[b5] - .instructions() - .iter() - .filter(|instruction| matches!(&main.dfg[**instruction], Instruction::ArraySet { .. })) - .collect::>(); - - assert_eq!(array_set_instructions.len(), 2); - if let Instruction::ArraySet { mutable, .. } = &main.dfg[*array_set_instructions[0]] { - // The single array set should not be marked mutable - assert!(!mutable); - } + assert_normalized_ssa_equals(ssa, src); } } diff --git a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/as_slice_length.rs b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/as_slice_length.rs index 59917e8589b..76705dcc9db 100644 --- a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/as_slice_length.rs +++ b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/as_slice_length.rs @@ -75,3 +75,34 @@ fn replace_known_slice_lengths( func.dfg.set_value_from_id(original_slice_length, known_length); }); } + +#[cfg(test)] +mod test { + use crate::ssa::opt::assert_normalized_ssa_equals; + + use super::Ssa; + + #[test] + fn as_slice_length_optimization() { + // In this code we expect `return v2` to be replaced with `return u32 3` because + // that's the length of the v0 array. + let src = " + acir(inline) fn main f0 { + b0(v0: [Field; 3]): + v2, v3 = call as_slice(v0) -> (u32, [Field]) + return v2 + } + "; + let ssa = Ssa::from_str(src).unwrap(); + + let expected = " + acir(inline) fn main f0 { + b0(v0: [Field; 3]): + v2, v3 = call as_slice(v0) -> (u32, [Field]) + return u32 3 + } + "; + let ssa = ssa.as_slice_optimization(); + assert_normalized_ssa_equals(ssa, expected); + } +} diff --git a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/constant_folding.rs b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/constant_folding.rs index 3b86ded4a87..de8e5b25926 100644 --- a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/constant_folding.rs +++ b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/constant_folding.rs @@ -19,7 +19,7 @@ //! //! This is the only pass which removes duplicated pure [`Instruction`]s however and so is needed when //! different blocks are merged, i.e. after the [`flatten_cfg`][super::flatten_cfg] pass. -use std::collections::HashSet; +use std::collections::{HashSet, VecDeque}; use acvm::{acir::AcirField, FieldElement}; use iter_extended::vecmap; @@ -28,6 +28,7 @@ use crate::ssa::{ ir::{ basic_block::BasicBlockId, dfg::{DataFlowGraph, InsertInstructionResult}, + dom::DominatorTree, function::Function, instruction::{Instruction, InstructionId}, types::Type, @@ -67,10 +68,10 @@ impl Function { /// The structure of this pass is simple: /// Go through each block and re-insert all instructions. pub(crate) fn constant_fold(&mut self, use_constraint_info: bool) { - let mut context = Context { use_constraint_info, ..Default::default() }; - context.block_queue.push(self.entry_block()); + let mut context = Context::new(self, use_constraint_info); + context.block_queue.push_back(self.entry_block()); - while let Some(block) = context.block_queue.pop() { + while let Some(block) = context.block_queue.pop_front() { if context.visited_blocks.contains(&block) { continue; } @@ -81,34 +82,57 @@ impl Function { } } -#[derive(Default)] struct Context { use_constraint_info: bool, /// Maps pre-folded ValueIds to the new ValueIds obtained by re-inserting the instruction. visited_blocks: HashSet, - block_queue: Vec, + block_queue: VecDeque, + + /// Contains sets of values which are constrained to be equivalent to each other. + /// + /// The mapping's structure is `side_effects_enabled_var => (constrained_value => simplified_value)`. + /// + /// We partition the maps of constrained values according to the side-effects flag at the point + /// at which the values are constrained. This prevents constraints which are only sometimes enforced + /// being used to modify the rest of the program. + constraint_simplification_mappings: HashMap>, + + // Cache of instructions without any side-effects along with their outputs. + cached_instruction_results: InstructionResultCache, + + dom: DominatorTree, } /// HashMap from (Instruction, side_effects_enabled_var) to the results of the instruction. /// Stored as a two-level map to avoid cloning Instructions during the `.get` call. -type InstructionResultCache = HashMap, Vec>>; +/// +/// In addition to each result, the original BasicBlockId is stored as well. This allows us +/// to deduplicate instructions across blocks as long as the new block dominates the original. +type InstructionResultCache = HashMap, ResultCache>>; + +/// Records the results of all duplicate [`Instruction`]s along with the blocks in which they sit. +/// +/// For more information see [`InstructionResultCache`]. +#[derive(Default)] +struct ResultCache { + results: Vec<(BasicBlockId, Vec)>, +} impl Context { + fn new(function: &Function, use_constraint_info: bool) -> Self { + Self { + use_constraint_info, + visited_blocks: Default::default(), + block_queue: Default::default(), + constraint_simplification_mappings: Default::default(), + cached_instruction_results: Default::default(), + dom: DominatorTree::with_function(function), + } + } + fn fold_constants_in_block(&mut self, function: &mut Function, block: BasicBlockId) { let instructions = function.dfg[block].take_instructions(); - // Cache of instructions without any side-effects along with their outputs. - let mut cached_instruction_results = HashMap::default(); - - // Contains sets of values which are constrained to be equivalent to each other. - // - // The mapping's structure is `side_effects_enabled_var => (constrained_value => simplified_value)`. - // - // We partition the maps of constrained values according to the side-effects flag at the point - // at which the values are constrained. This prevents constraints which are only sometimes enforced - // being used to modify the rest of the program. - let mut constraint_simplification_mappings: HashMap> = - HashMap::default(); let mut side_effects_enabled_var = function.dfg.make_constant(FieldElement::one(), Type::bool()); @@ -117,8 +141,6 @@ impl Context { &mut function.dfg, block, instruction_id, - &mut cached_instruction_results, - &mut constraint_simplification_mappings, &mut side_effects_enabled_var, ); } @@ -126,22 +148,19 @@ impl Context { } fn fold_constants_into_instruction( - &self, + &mut self, dfg: &mut DataFlowGraph, block: BasicBlockId, id: InstructionId, - instruction_result_cache: &mut InstructionResultCache, - constraint_simplification_mappings: &mut HashMap>, side_effects_enabled_var: &mut ValueId, ) { - let constraint_simplification_mapping = - constraint_simplification_mappings.entry(*side_effects_enabled_var).or_default(); + let constraint_simplification_mapping = self.get_constraint_map(*side_effects_enabled_var); let instruction = Self::resolve_instruction(id, dfg, constraint_simplification_mapping); let old_results = dfg.instruction_results(id).to_vec(); // If a copy of this instruction exists earlier in the block, then reuse the previous results. if let Some(cached_results) = - Self::get_cached(dfg, instruction_result_cache, &instruction, *side_effects_enabled_var) + self.get_cached(dfg, &instruction, *side_effects_enabled_var, block) { Self::replace_result_ids(dfg, &old_results, cached_results); return; @@ -156,9 +175,8 @@ impl Context { instruction.clone(), new_results, dfg, - instruction_result_cache, - constraint_simplification_mapping, *side_effects_enabled_var, + block, ); // If we just inserted an `Instruction::EnableSideEffectsIf`, we need to update `side_effects_enabled_var` @@ -229,13 +247,12 @@ impl Context { } fn cache_instruction( - &self, + &mut self, instruction: Instruction, instruction_results: Vec, dfg: &DataFlowGraph, - instruction_result_cache: &mut InstructionResultCache, - constraint_simplification_mapping: &mut HashMap, side_effects_enabled_var: ValueId, + block: BasicBlockId, ) { if self.use_constraint_info { // If the instruction was a constraint, then create a link between the two `ValueId`s @@ -248,18 +265,18 @@ impl Context { // Prefer replacing with constants where possible. (Value::NumericConstant { .. }, _) => { - constraint_simplification_mapping.insert(rhs, lhs); + self.get_constraint_map(side_effects_enabled_var).insert(rhs, lhs); } (_, Value::NumericConstant { .. }) => { - constraint_simplification_mapping.insert(lhs, rhs); + self.get_constraint_map(side_effects_enabled_var).insert(lhs, rhs); } // Otherwise prefer block parameters over instruction results. // This is as block parameters are more likely to be a single witness rather than a full expression. (Value::Param { .. }, Value::Instruction { .. }) => { - constraint_simplification_mapping.insert(rhs, lhs); + self.get_constraint_map(side_effects_enabled_var).insert(rhs, lhs); } (Value::Instruction { .. }, Value::Param { .. }) => { - constraint_simplification_mapping.insert(lhs, rhs); + self.get_constraint_map(side_effects_enabled_var).insert(lhs, rhs); } (_, _) => (), } @@ -273,13 +290,22 @@ impl Context { self.use_constraint_info && instruction.requires_acir_gen_predicate(dfg); let predicate = use_predicate.then_some(side_effects_enabled_var); - instruction_result_cache + self.cached_instruction_results .entry(instruction) .or_default() - .insert(predicate, instruction_results); + .entry(predicate) + .or_default() + .cache(block, instruction_results); } } + fn get_constraint_map( + &mut self, + side_effects_enabled_var: ValueId, + ) -> &mut HashMap { + self.constraint_simplification_mappings.entry(side_effects_enabled_var).or_default() + } + /// Replaces a set of [`ValueId`]s inside the [`DataFlowGraph`] with another. fn replace_result_ids( dfg: &mut DataFlowGraph, @@ -292,22 +318,40 @@ impl Context { } fn get_cached<'a>( + &'a mut self, dfg: &DataFlowGraph, - instruction_result_cache: &'a mut InstructionResultCache, instruction: &Instruction, side_effects_enabled_var: ValueId, - ) -> Option<&'a Vec> { - let results_for_instruction = instruction_result_cache.get(instruction); + block: BasicBlockId, + ) -> Option<&'a [ValueId]> { + let results_for_instruction = self.cached_instruction_results.get(instruction)?; - // See if there's a cached version with no predicate first - if let Some(results) = results_for_instruction.and_then(|map| map.get(&None)) { - return Some(results); - } + let predicate = self.use_constraint_info && instruction.requires_acir_gen_predicate(dfg); + let predicate = predicate.then_some(side_effects_enabled_var); - let predicate = - instruction.requires_acir_gen_predicate(dfg).then_some(side_effects_enabled_var); + results_for_instruction.get(&predicate)?.get(block, &mut self.dom) + } +} - results_for_instruction.and_then(|map| map.get(&predicate)) +impl ResultCache { + /// Records that an `Instruction` in block `block` produced the result values `results`. + fn cache(&mut self, block: BasicBlockId, results: Vec) { + self.results.push((block, results)); + } + + /// Returns a set of [`ValueId`]s produced from a copy of this [`Instruction`] which sits + /// within a block which dominates `block`. + /// + /// We require that the cached instruction's block dominates `block` in order to avoid + /// cycles causing issues (e.g. two instructions being replaced with the results of each other + /// such that neither instruction exists anymore.) + fn get(&self, block: BasicBlockId, dom: &mut DominatorTree) -> Option<&[ValueId]> { + for (origin_block, results) in &self.results { + if dom.dominates(*origin_block, block) { + return Some(results); + } + } + None } } @@ -317,531 +361,305 @@ mod test { use crate::ssa::{ function_builder::FunctionBuilder, - ir::{ - instruction::{Binary, BinaryOp, Instruction, TerminatorInstruction}, - map::Id, - types::Type, - value::{Value, ValueId}, - }, + ir::{map::Id, types::Type}, + opt::assert_normalized_ssa_equals, + Ssa, }; - use acvm::{acir::AcirField, FieldElement}; #[test] fn simple_constant_fold() { - // fn main f0 { - // b0(v0: Field): - // v1 = add v0, Field 1 - // v2 = mul v1, Field 3 - // return v2 - // } - // // After constructing this IR, we set the value of v0 to 2. // The expected return afterwards should be 9. - let main_id = Id::test_new(0); - - // Compiling main - let mut builder = FunctionBuilder::new("main".into(), main_id); - let v0 = builder.add_parameter(Type::field()); - - let one = builder.field_constant(1u128); - let two = builder.field_constant(2u128); - let three = builder.field_constant(3u128); - - let v1 = builder.insert_binary(v0, BinaryOp::Add, one); - let v2 = builder.insert_binary(v1, BinaryOp::Mul, three); - builder.terminate_with_return(vec![v2]); - - let mut ssa = builder.finish(); + let src = " + acir(inline) fn main f0 { + b0(v0: Field): + v1 = add v0, Field 1 + v2 = mul v1, Field 3 + return v2 + } + "; + let mut ssa = Ssa::from_str(src).unwrap(); let main = ssa.main_mut(); + let instructions = main.dfg[main.entry_block()].instructions(); assert_eq!(instructions.len(), 2); // The final return is not counted - // Expected output: - // - // fn main f0 { - // b0(Field 2: Field): - // return Field 9 - // } + let v0 = main.parameters()[0]; + let two = main.dfg.make_constant(2_u128.into(), Type::field()); + main.dfg.set_value_from_id(v0, two); - let ssa = ssa.fold_constants(); - let main = ssa.main(); - let block = &main.dfg[main.entry_block()]; - assert_eq!(block.instructions().len(), 0); - - match block.terminator() { - Some(TerminatorInstruction::Return { return_values, .. }) => { - let value = main - .dfg - .get_numeric_constant(return_values[0]) - .expect("Expected constant 9") - .to_u128(); - assert_eq!(value, 9); + let expected = " + acir(inline) fn main f0 { + b0(v0: Field): + return Field 9 } - _ => unreachable!("b0 should have a return terminator"), - } + "; + let ssa = ssa.fold_constants(); + assert_normalized_ssa_equals(ssa, expected); } #[test] fn redundant_truncation() { - // fn main f0 { - // b0(v0: u16, v1: u16): - // v2 = div v0, v1 - // v3 = truncate v2 to 8 bits, max_bit_size: 16 - // return v3 - // } - // // After constructing this IR, we set the value of v1 to 2^8. // The expected return afterwards should be v2. - let main_id = Id::test_new(0); - - // Compiling main - let mut builder = FunctionBuilder::new("main".into(), main_id); - let v0 = builder.add_parameter(Type::unsigned(16)); - let v1 = builder.add_parameter(Type::unsigned(16)); - - // Note that this constant guarantees that `v0/constant < 2^8`. We then do not need to truncate the result. - let constant = 2_u128.pow(8); - let constant = builder.numeric_constant(constant, Type::field()); - - let v2 = builder.insert_binary(v0, BinaryOp::Div, v1); - let v3 = builder.insert_truncate(v2, 8, 16); - builder.terminate_with_return(vec![v3]); - - let mut ssa = builder.finish(); + let src = " + acir(inline) fn main f0 { + b0(v0: u16, v1: u16): + v2 = div v0, v1 + v3 = truncate v2 to 8 bits, max_bit_size: 16 + return v3 + } + "; + let mut ssa = Ssa::from_str(src).unwrap(); let main = ssa.main_mut(); + let instructions = main.dfg[main.entry_block()].instructions(); assert_eq!(instructions.len(), 2); // The final return is not counted - // Expected output: - // - // fn main f0 { - // b0(Field 2: Field): - // return Field 9 - // } - main.dfg.set_value_from_id(v1, constant); + let v1 = main.parameters()[1]; - let ssa = ssa.fold_constants(); - let main = ssa.main(); + // Note that this constant guarantees that `v0/constant < 2^8`. We then do not need to truncate the result. + let constant = 2_u128.pow(8); + let constant = main.dfg.make_constant(constant.into(), Type::unsigned(16)); - println!("{ssa}"); + main.dfg.set_value_from_id(v1, constant); - let instructions = main.dfg[main.entry_block()].instructions(); - assert_eq!(instructions.len(), 1); - let instruction = &main.dfg[instructions[0]]; + let expected = " + acir(inline) fn main f0 { + b0(v0: u16, v1: u16): + v3 = div v0, u16 256 + return v3 + } + "; - assert_eq!( - instruction, - &Instruction::Binary(Binary { lhs: v0, operator: BinaryOp::Div, rhs: constant }) - ); + let ssa = ssa.fold_constants(); + assert_normalized_ssa_equals(ssa, expected); } #[test] fn non_redundant_truncation() { - // fn main f0 { - // b0(v0: u16, v1: u16): - // v2 = div v0, v1 - // v3 = truncate v2 to 8 bits, max_bit_size: 16 - // return v3 - // } - // // After constructing this IR, we set the value of v1 to 2^8 - 1. // This should not result in the truncation being removed. - let main_id = Id::test_new(0); + let src = " + acir(inline) fn main f0 { + b0(v0: u16, v1: u16): + v2 = div v0, v1 + v3 = truncate v2 to 8 bits, max_bit_size: 16 + return v3 + } + "; + let mut ssa = Ssa::from_str(src).unwrap(); + let main = ssa.main_mut(); - // Compiling main - let mut builder = FunctionBuilder::new("main".into(), main_id); - let v0 = builder.add_parameter(Type::unsigned(16)); - let v1 = builder.add_parameter(Type::unsigned(16)); + let instructions = main.dfg[main.entry_block()].instructions(); + assert_eq!(instructions.len(), 2); // The final return is not counted + + let v1 = main.parameters()[1]; // Note that this constant does not guarantee that `v0/constant < 2^8`. We must then truncate the result. let constant = 2_u128.pow(8) - 1; - let constant = builder.numeric_constant(constant, Type::field()); - - let v2 = builder.insert_binary(v0, BinaryOp::Div, v1); - let v3 = builder.insert_truncate(v2, 8, 16); - builder.terminate_with_return(vec![v3]); + let constant = main.dfg.make_constant(constant.into(), Type::unsigned(16)); - let mut ssa = builder.finish(); - let main = ssa.main_mut(); - let instructions = main.dfg[main.entry_block()].instructions(); - assert_eq!(instructions.len(), 2); // The final return is not counted - - // Expected output: - // - // fn main f0 { - // b0(v0: u16, Field 255: Field): - // v6 = div v0, Field 255 - // v7 = truncate v6 to 8 bits, max_bit_size: 16 - // return v7 - // } main.dfg.set_value_from_id(v1, constant); - let ssa = ssa.fold_constants(); - let main = ssa.main(); - - let instructions = main.dfg[main.entry_block()].instructions(); - assert_eq!(instructions.len(), 2); + let expected = " + acir(inline) fn main f0 { + b0(v0: u16, v1: u16): + v3 = div v0, u16 255 + v4 = truncate v3 to 8 bits, max_bit_size: 16 + return v4 + } + "; - assert_eq!( - &main.dfg[instructions[0]], - &Instruction::Binary(Binary { lhs: v0, operator: BinaryOp::Div, rhs: constant }) - ); - assert_eq!( - &main.dfg[instructions[1]], - &Instruction::Truncate { value: ValueId::test_new(6), bit_size: 8, max_bit_size: 16 } - ); + let ssa = ssa.fold_constants(); + assert_normalized_ssa_equals(ssa, expected); } #[test] fn arrays_elements_are_updated() { - // fn main f0 { - // b0(v0: Field): - // v1 = add v0, Field 1 - // return [v1] - // } - // // After constructing this IR, we run constant folding with no expected benefit, but to // ensure that all new values ids are correctly propagated. - let main_id = Id::test_new(0); - - // Compiling main - let mut builder = FunctionBuilder::new("main".into(), main_id); - let v0 = builder.add_parameter(Type::field()); - let one = builder.field_constant(1u128); - let v1 = builder.insert_binary(v0, BinaryOp::Add, one); - - let array_type = Type::Array(Arc::new(vec![Type::field()]), 1); - let arr = builder.current_function.dfg.make_array(vec![v1].into(), array_type); - builder.terminate_with_return(vec![arr]); - - let ssa = builder.finish().fold_constants(); - let main = ssa.main(); - let entry_block_id = main.entry_block(); - let entry_block = &main.dfg[entry_block_id]; - assert_eq!(entry_block.instructions().len(), 1); - let new_add_instr = entry_block.instructions().first().unwrap(); - let new_add_instr_result = main.dfg.instruction_results(*new_add_instr)[0]; - assert_ne!(new_add_instr_result, v1); - - let return_value_id = match entry_block.unwrap_terminator() { - TerminatorInstruction::Return { return_values, .. } => return_values[0], - _ => unreachable!("Should have terminator instruction"), - }; - let return_element = match &main.dfg[return_value_id] { - Value::Array { array, .. } => array[0], - _ => unreachable!("Return type should be array"), - }; - // The return element is expected to refer to the new add instruction result. - assert_eq!(main.dfg.resolve(new_add_instr_result), main.dfg.resolve(return_element)); + let src = " + acir(inline) fn main f0 { + b0(v0: Field): + v2 = add v0, Field 1 + return [v2] of Field + } + "; + let ssa = Ssa::from_str(src).unwrap(); + let ssa = ssa.fold_constants(); + assert_normalized_ssa_equals(ssa, src); } #[test] fn instruction_deduplication() { - // fn main f0 { - // b0(v0: u16): - // v1 = cast v0 as u32 - // v2 = cast v0 as u32 - // constrain v1 v2 - // } - // // After constructing this IR, we run constant folding which should replace the second cast // with a reference to the results to the first. This then allows us to optimize away // the constrain instruction as both inputs are known to be equal. // // The first cast instruction is retained and will be removed in the dead instruction elimination pass. - let main_id = Id::test_new(0); - - // Compiling main - let mut builder = FunctionBuilder::new("main".into(), main_id); - let v0 = builder.add_parameter(Type::unsigned(16)); - - let v1 = builder.insert_cast(v0, Type::unsigned(32)); - let v2 = builder.insert_cast(v0, Type::unsigned(32)); - builder.insert_constrain(v1, v2, None); - - let mut ssa = builder.finish(); - let main = ssa.main_mut(); - let instructions = main.dfg[main.entry_block()].instructions(); - assert_eq!(instructions.len(), 3); - - // Expected output: - // - // fn main f0 { - // b0(v0: u16): - // v1 = cast v0 as u32 - // } + let src = " + acir(inline) fn main f0 { + b0(v0: u16): + v1 = cast v0 as u32 + v2 = cast v0 as u32 + constrain v1 == v2 + return + } + "; + let expected = " + acir(inline) fn main f0 { + b0(v0: u16): + v1 = cast v0 as u32 + return + } + "; + let ssa = Ssa::from_str(src).unwrap(); let ssa = ssa.fold_constants(); - let main = ssa.main(); - let instructions = main.dfg[main.entry_block()].instructions(); - - assert_eq!(instructions.len(), 1); - let instruction = &main.dfg[instructions[0]]; - - assert_eq!(instruction, &Instruction::Cast(v0, Type::unsigned(32))); + assert_normalized_ssa_equals(ssa, expected); } #[test] fn constant_index_array_access_deduplication() { - // fn main f0 { - // b0(v0: [Field; 4], v1: u32, v2: bool, v3: bool): - // enable_side_effects v2 - // v4 = array_get v0 u32 0 - // v5 = array_get v0 v1 - // enable_side_effects v3 - // v6 = array_get v0 u32 0 - // v7 = array_get v0 v1 - // constrain v4 v6 - // } - // // After constructing this IR, we run constant folding which should replace the second constant-index array get // with a reference to the results to the first. This then allows us to optimize away // the constrain instruction as both inputs are known to be equal. - // - let main_id = Id::test_new(0); - - // Compiling main - let mut builder = FunctionBuilder::new("main".into(), main_id); - - let v0 = builder.add_parameter(Type::Array(Arc::new(vec![Type::field()]), 4)); - let v1 = builder.add_parameter(Type::unsigned(32)); - let v2 = builder.add_parameter(Type::unsigned(1)); - let v3 = builder.add_parameter(Type::unsigned(1)); - - let zero = builder.numeric_constant(FieldElement::zero(), Type::length_type()); - - builder.insert_enable_side_effects_if(v2); - let v4 = builder.insert_array_get(v0, zero, Type::field()); - let _v5 = builder.insert_array_get(v0, v1, Type::field()); - - builder.insert_enable_side_effects_if(v3); - let v6 = builder.insert_array_get(v0, zero, Type::field()); - let _v7 = builder.insert_array_get(v0, v1, Type::field()); - - builder.insert_constrain(v4, v6, None); - - let ssa = builder.finish(); - - println!("{ssa}"); - - let main = ssa.main(); - let instructions = main.dfg[main.entry_block()].instructions(); - assert_eq!(instructions.len(), 7); + let src = " + acir(inline) fn main f0 { + b0(v0: [Field; 4], v1: u32, v2: bool, v3: bool): + enable_side_effects v2 + v4 = array_get v0, index u32 0 -> Field + v5 = array_get v0, index v1 -> Field + enable_side_effects v3 + v6 = array_get v0, index u32 0 -> Field + v7 = array_get v0, index v1 -> Field + constrain v4 == v6 + return + } + "; + let expected = " + acir(inline) fn main f0 { + b0(v0: [Field; 4], v1: u32, v2: u1, v3: u1): + enable_side_effects v2 + v5 = array_get v0, index u32 0 -> Field + v6 = array_get v0, index v1 -> Field + enable_side_effects v3 + v7 = array_get v0, index v1 -> Field + return + } + "; - // Expected output: - // - // fn main f0 { - // b0(v0: [Field; 4], v1: u32, v2: bool, v3: bool): - // enable_side_effects v2 - // v10 = array_get v0 u32 0 - // v11 = array_get v0 v1 - // enable_side_effects v3 - // v12 = array_get v0 v1 - // } + let ssa = Ssa::from_str(src).unwrap(); let ssa = ssa.fold_constants(); - - println!("{ssa}"); - - let main = ssa.main(); - let instructions = main.dfg[main.entry_block()].instructions(); - - assert_eq!(instructions.len(), 5); + assert_normalized_ssa_equals(ssa, expected); } #[test] fn constraint_decomposition() { - // fn main f0 { - // b0(v0: u1, v1: u1, v2: u1): - // v3 = mul v0 v1 - // v4 = not v2 - // v5 = mul v3 v4 - // constrain v4 u1 1 - // } - // // When constructing this IR, we should automatically decompose the constraint to be in terms of `v0`, `v1` and `v2`. // // The mul instructions are retained and will be removed in the dead instruction elimination pass. - let main_id = Id::test_new(0); - - // Compiling main - let mut builder = FunctionBuilder::new("main".into(), main_id); - let v0 = builder.add_parameter(Type::bool()); - let v1 = builder.add_parameter(Type::bool()); - let v2 = builder.add_parameter(Type::bool()); - - let v3 = builder.insert_binary(v0, BinaryOp::Mul, v1); - let v4 = builder.insert_not(v2); - let v5 = builder.insert_binary(v3, BinaryOp::Mul, v4); - - // This constraint is automatically decomposed when it is inserted. - let v_true = builder.numeric_constant(true, Type::bool()); - builder.insert_constrain(v5, v_true, None); - - let v_false = builder.numeric_constant(false, Type::bool()); - - // Expected output: - // - // fn main f0 { - // b0(v0: u1, v1: u1, v2: u1): - // v3 = mul v0 v1 - // v4 = not v2 - // v5 = mul v3 v4 - // constrain v0 u1 1 - // constrain v1 u1 1 - // constrain v2 u1 0 - // } - - let ssa = builder.finish(); - let main = ssa.main(); - let instructions = main.dfg[main.entry_block()].instructions(); - - assert_eq!(instructions.len(), 6); - - assert_eq!( - main.dfg[instructions[0]], - Instruction::Binary(Binary { lhs: v0, operator: BinaryOp::Mul, rhs: v1 }) - ); - assert_eq!(main.dfg[instructions[1]], Instruction::Not(v2)); - assert_eq!( - main.dfg[instructions[2]], - Instruction::Binary(Binary { lhs: v3, operator: BinaryOp::Mul, rhs: v4 }) - ); - assert_eq!(main.dfg[instructions[3]], Instruction::Constrain(v0, v_true, None)); - assert_eq!(main.dfg[instructions[4]], Instruction::Constrain(v1, v_true, None)); - assert_eq!(main.dfg[instructions[5]], Instruction::Constrain(v2, v_false, None)); + let src = " + acir(inline) fn main f0 { + b0(v0: u1, v1: u1, v2: u1): + v3 = mul v0, v1 + v4 = not v2 + v5 = mul v3, v4 + constrain v5 == u1 1 + return + } + "; + let ssa = Ssa::from_str(src).unwrap(); + + let expected = " + acir(inline) fn main f0 { + b0(v0: u1, v1: u1, v2: u1): + v3 = mul v0, v1 + v4 = not v2 + v5 = mul v3, v4 + constrain v0 == u1 1 + constrain v1 == u1 1 + constrain v2 == u1 0 + return + } + "; + assert_normalized_ssa_equals(ssa, expected); } // Regression for #4600 #[test] fn array_get_regression() { - // fn main f0 { - // b0(v0: u1, v1: u64): - // enable_side_effects_if v0 - // v2 = array_get [Field 0, Field 1], index v1 - // v3 = not v0 - // enable_side_effects_if v3 - // v4 = array_get [Field 0, Field 1], index v1 - // } - // // We want to make sure after constant folding both array_gets remain since they are // under different enable_side_effects_if contexts and thus one may be disabled while // the other is not. If one is removed, it is possible e.g. v4 is replaced with v2 which // is disabled (only gets from index 0) and thus returns the wrong result. - let main_id = Id::test_new(0); - - // Compiling main - let mut builder = FunctionBuilder::new("main".into(), main_id); - let v0 = builder.add_parameter(Type::bool()); - let v1 = builder.add_parameter(Type::unsigned(64)); - - builder.insert_enable_side_effects_if(v0); - - let zero = builder.field_constant(0u128); - let one = builder.field_constant(1u128); - - let typ = Type::Array(Arc::new(vec![Type::field()]), 2); - let array = builder.array_constant(vec![zero, one].into(), typ); - - let _v2 = builder.insert_array_get(array, v1, Type::field()); - let v3 = builder.insert_not(v0); - - builder.insert_enable_side_effects_if(v3); - let _v4 = builder.insert_array_get(array, v1, Type::field()); + let src = " + acir(inline) fn main f0 { + b0(v0: u1, v1: u64): + enable_side_effects v0 + v5 = array_get [Field 0, Field 1] of Field, index v1 -> Field + v6 = not v0 + enable_side_effects v6 + v8 = array_get [Field 0, Field 1] of Field, index v1 -> Field + return + } + "; + let ssa = Ssa::from_str(src).unwrap(); // Expected output is unchanged - let ssa = builder.finish(); - let main = ssa.main(); - let instructions = main.dfg[main.entry_block()].instructions(); - let starting_instruction_count = instructions.len(); - assert_eq!(starting_instruction_count, 5); - let ssa = ssa.fold_constants(); - let main = ssa.main(); - let instructions = main.dfg[main.entry_block()].instructions(); - let ending_instruction_count = instructions.len(); - assert_eq!(starting_instruction_count, ending_instruction_count); + assert_normalized_ssa_equals(ssa, src); } #[test] fn deduplicate_instructions_with_predicates() { - // fn main f0 { - // b0(v0: bool, v1: bool, v2: [u32; 2]): - // enable_side_effects v0 - // v3 = array_get v2, index u32 0 - // v4 = array_set v2, index u32 1, value: u32 2 - // v5 = array_get v4, index u32 0 - // constrain_eq v3, v5 - // enable_side_effects v1 - // v6 = array_get v2, index u32 0 - // v7 = array_set v2, index u32 1, value: u32 2 - // v8 = array_get v7, index u32 0 - // constrain_eq v6, v8 - // enable_side_effects v0 - // v9 = array_get v2, index u32 0 - // v10 = array_set v2, index u32 1, value: u32 2 - // v11 = array_get v10, index u32 0 - // constrain_eq v9, v11 - // } - let main_id = Id::test_new(0); - - // Compiling main - let mut builder = FunctionBuilder::new("main".into(), main_id); - - let v0 = builder.add_parameter(Type::bool()); - let v1 = builder.add_parameter(Type::bool()); - let v2 = builder.add_parameter(Type::Array(Arc::new(vec![Type::field()]), 2)); - - let zero = builder.numeric_constant(0u128, Type::length_type()); - let one = builder.numeric_constant(1u128, Type::length_type()); - let two = builder.numeric_constant(2u128, Type::length_type()); - - builder.insert_enable_side_effects_if(v0); - let v3 = builder.insert_array_get(v2, zero, Type::length_type()); - let v4 = builder.insert_array_set(v2, one, two); - let v5 = builder.insert_array_get(v4, zero, Type::length_type()); - builder.insert_constrain(v3, v5, None); - - builder.insert_enable_side_effects_if(v1); - let v6 = builder.insert_array_get(v2, zero, Type::length_type()); - let v7 = builder.insert_array_set(v2, one, two); - let v8 = builder.insert_array_get(v7, zero, Type::length_type()); - builder.insert_constrain(v6, v8, None); - - // We expect all these instructions after the 'enable side effects' instruction to be removed. - builder.insert_enable_side_effects_if(v0); - let v9 = builder.insert_array_get(v2, zero, Type::length_type()); - let v10 = builder.insert_array_set(v2, one, two); - let v11 = builder.insert_array_get(v10, zero, Type::length_type()); - builder.insert_constrain(v9, v11, None); - - let ssa = builder.finish(); - println!("{ssa}"); + let src = " + acir(inline) fn main f0 { + b0(v0: u1, v1: u1, v2: [Field; 2]): + enable_side_effects v0 + v6 = array_get v2, index u32 0 -> u32 + v7 = array_set v2, index u32 1, value u32 2 + v8 = array_get v7, index u32 0 -> u32 + constrain v6 == v8 + enable_side_effects v1 + v9 = array_get v2, index u32 0 -> u32 + v10 = array_set v2, index u32 1, value u32 2 + v11 = array_get v10, index u32 0 -> u32 + constrain v9 == v11 + enable_side_effects v0 + v12 = array_get v2, index u32 0 -> u32 + v13 = array_set v2, index u32 1, value u32 2 + v14 = array_get v13, index u32 0 -> u32 + constrain v12 == v14 + return + } + "; + let ssa = Ssa::from_str(src).unwrap(); let main = ssa.main(); let instructions = main.dfg[main.entry_block()].instructions(); assert_eq!(instructions.len(), 15); - // Expected output: - // - // fn main f0 { - // b0(v0: bool, v1: bool, v2: [Field; 2]): - // enable_side_effects v0 - // v3 = array_get v2, index Field 0 - // v4 = array_set v2, index Field 1, value: Field 2 - // v5 = array_get v4, index Field 0 - // constrain_eq v3, v5 - // enable_side_effects v1 - // v7 = array_set v2, index Field 1, value: Field 2 - // v8 = array_get v7, index Field 0 - // constrain_eq v3, v8 - // enable_side_effects v0 - // } - let ssa = ssa.fold_constants_using_constraints(); - println!("{ssa}"); + let expected = " + acir(inline) fn main f0 { + b0(v0: u1, v1: u1, v2: [Field; 2]): + enable_side_effects v0 + v4 = array_get v2, index u32 0 -> u32 + v7 = array_set v2, index u32 1, value u32 2 + v8 = array_get v7, index u32 0 -> u32 + constrain v4 == v8 + enable_side_effects v1 + v9 = array_set v2, index u32 1, value u32 2 + v10 = array_get v9, index u32 0 -> u32 + constrain v4 == v10 + enable_side_effects v0 + return + } + "; - let main = ssa.main(); - let instructions = main.dfg[main.entry_block()].instructions(); - assert_eq!(instructions.len(), 10); + let ssa = ssa.fold_constants_using_constraints(); + assert_normalized_ssa_equals(ssa, expected); } // This test currently fails. It being fixed will address the issue https://github.com/noir-lang/noir/issues/5756 @@ -878,7 +696,8 @@ mod test { let _v10 = builder.insert_call(keccakf1600, vec![array1], vec![typ.clone()]); let _v11 = builder.insert_call(keccakf1600, vec![array2], vec![typ.clone()]); - let ssa = builder.finish(); + let mut ssa = builder.finish(); + ssa.normalize_ids(); println!("{ssa}"); @@ -896,4 +715,48 @@ mod test { let ending_instruction_count = instructions.len(); assert_eq!(ending_instruction_count, 1); } + + #[test] + fn deduplicate_across_blocks() { + // fn main f0 { + // b0(v0: u1): + // v1 = not v0 + // jmp b1() + // b1(): + // v2 = not v0 + // return v2 + // } + let main_id = Id::test_new(0); + + // Compiling main + let mut builder = FunctionBuilder::new("main".into(), main_id); + let b1 = builder.insert_block(); + + let v0 = builder.add_parameter(Type::bool()); + let _v1 = builder.insert_not(v0); + builder.terminate_with_jmp(b1, Vec::new()); + + builder.switch_to_block(b1); + let v2 = builder.insert_not(v0); + builder.terminate_with_return(vec![v2]); + + let ssa = builder.finish(); + let main = ssa.main(); + assert_eq!(main.dfg[main.entry_block()].instructions().len(), 1); + assert_eq!(main.dfg[b1].instructions().len(), 1); + + // Expected output: + // + // fn main f0 { + // b0(v0: u1): + // v1 = not v0 + // jmp b1() + // b1(): + // return v1 + // } + let ssa = ssa.fold_constants_using_constraints(); + let main = ssa.main(); + assert_eq!(main.dfg[main.entry_block()].instructions().len(), 1); + assert_eq!(main.dfg[b1].instructions().len(), 0); + } } diff --git a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/die.rs b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/die.rs index beca7c41e5c..57af27e8dcd 100644 --- a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/die.rs +++ b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/die.rs @@ -622,210 +622,118 @@ mod test { use crate::ssa::{ function_builder::FunctionBuilder, - ir::{ - instruction::{BinaryOp, Instruction, Intrinsic}, - map::Id, - types::Type, - }, + ir::{instruction::Instruction, map::Id, types::Type}, + opt::assert_normalized_ssa_equals, + Ssa, }; #[test] fn dead_instruction_elimination() { - // fn main f0 { - // b0(v0: Field): - // v1 = add v0, Field 1 - // v2 = add v0, Field 2 - // jmp b1(v2) - // b1(v3: Field): - // v4 = allocate 1 field - // v5 = load v4 - // v6 = allocate 1 field - // store Field 1 in v6 - // v7 = load v6 - // v8 = add v7, Field 1 - // v9 = add v7, Field 2 - // v10 = add v7, Field 3 - // v11 = add v10, v10 - // call assert_constant(v8) - // return v9 - // } - let main_id = Id::test_new(0); - - // Compiling main - let mut builder = FunctionBuilder::new("main".into(), main_id); - let v0 = builder.add_parameter(Type::field()); - let b1 = builder.insert_block(); - - let one = builder.field_constant(1u128); - let two = builder.field_constant(2u128); - let three = builder.field_constant(3u128); - - let _v1 = builder.insert_binary(v0, BinaryOp::Add, one); - let v2 = builder.insert_binary(v0, BinaryOp::Add, two); - builder.terminate_with_jmp(b1, vec![v2]); - - builder.switch_to_block(b1); - let _v3 = builder.add_block_parameter(b1, Type::field()); - - let v4 = builder.insert_allocate(Type::field()); - let _v5 = builder.insert_load(v4, Type::field()); - - let v6 = builder.insert_allocate(Type::field()); - builder.insert_store(v6, one); - let v7 = builder.insert_load(v6, Type::field()); - let v8 = builder.insert_binary(v7, BinaryOp::Add, one); - let v9 = builder.insert_binary(v7, BinaryOp::Add, two); - let v10 = builder.insert_binary(v7, BinaryOp::Add, three); - let _v11 = builder.insert_binary(v10, BinaryOp::Add, v10); - - let assert_constant_id = builder.import_intrinsic_id(Intrinsic::AssertConstant); - builder.insert_call(assert_constant_id, vec![v8], vec![]); - builder.terminate_with_return(vec![v9]); - - let ssa = builder.finish(); - let main = ssa.main(); - - // The instruction count never includes the terminator instruction - assert_eq!(main.dfg[main.entry_block()].instructions().len(), 2); - assert_eq!(main.dfg[b1].instructions().len(), 10); - - // Expected output: - // - // fn main f0 { - // b0(v0: Field): - // v2 = add v0, Field 2 - // jmp b1(v2) - // b1(v3: Field): - // v6 = allocate 1 field - // store Field 1 in v6 - // v7 = load v6 - // v8 = add v7, Field 1 - // v9 = add v7, Field 2 - // call assert_constant(v8) - // return v9 - // } + let src = " + acir(inline) fn main f0 { + b0(v0: Field): + v3 = add v0, Field 1 + v5 = add v0, Field 2 + jmp b1(v5) + b1(v1: Field): + v6 = allocate -> &mut Field + v7 = load v6 -> Field + v8 = allocate -> &mut Field + store Field 1 at v8 + v9 = load v8 -> Field + v10 = add v9, Field 1 + v11 = add v9, Field 2 + v13 = add v9, Field 3 + v14 = add v13, v13 + call assert_constant(v10) + return v11 + } + "; + let ssa = Ssa::from_str(src).unwrap(); + + let expected = " + acir(inline) fn main f0 { + b0(v0: Field): + v3 = add v0, Field 2 + jmp b1(v3) + b1(v1: Field): + v4 = allocate -> &mut Field + store Field 1 at v4 + v6 = load v4 -> Field + v7 = add v6, Field 1 + v8 = add v6, Field 2 + call assert_constant(v7) + return v8 + } + "; let ssa = ssa.dead_instruction_elimination(); - let main = ssa.main(); - - assert_eq!(main.dfg[main.entry_block()].instructions().len(), 1); - assert_eq!(main.dfg[b1].instructions().len(), 6); + assert_normalized_ssa_equals(ssa, expected); } #[test] fn as_witness_die() { - // fn main f0 { - // b0(v0: Field): - // v1 = add v0, Field 1 - // v2 = add v0, Field 2 - // call as_witness(v2) - // return v1 - // } - let main_id = Id::test_new(0); - - // Compiling main - let mut builder = FunctionBuilder::new("main".into(), main_id); - let v0 = builder.add_parameter(Type::field()); - - let one = builder.field_constant(1u128); - let two = builder.field_constant(2u128); - - let v1 = builder.insert_binary(v0, BinaryOp::Add, one); - let v2 = builder.insert_binary(v0, BinaryOp::Add, two); - let as_witness = builder.import_intrinsic("as_witness").unwrap(); - builder.insert_call(as_witness, vec![v2], Vec::new()); - builder.terminate_with_return(vec![v1]); - - let ssa = builder.finish(); - let main = ssa.main(); - - // The instruction count never includes the terminator instruction - assert_eq!(main.dfg[main.entry_block()].instructions().len(), 3); - - // Expected output: - // - // acir(inline) fn main f0 { - // b0(v0: Field): - // v3 = add v0, Field 1 - // return v3 - // } + let src = " + acir(inline) fn main f0 { + b0(v0: Field): + v2 = add v0, Field 1 + v4 = add v0, Field 2 + call as_witness(v4) + return v2 + } + "; + let ssa = Ssa::from_str(src).unwrap(); + + let expected = " + acir(inline) fn main f0 { + b0(v0: Field): + v2 = add v0, Field 1 + return v2 + } + "; let ssa = ssa.dead_instruction_elimination(); - let main = ssa.main(); - - assert_eq!(main.dfg[main.entry_block()].instructions().len(), 1); + assert_normalized_ssa_equals(ssa, expected); } #[test] fn remove_useless_paired_rcs_even_when_used() { - // acir(inline) fn main f0 { - // b0(v0: [Field; 2]): - // inc_rc v0 - // v2 = array_get v0, index u32 0 - // dec_rc v0 - // return v2 - // } - let main_id = Id::test_new(0); - - // Compiling main - let mut builder = FunctionBuilder::new("main".into(), main_id); - let v0 = builder.add_parameter(Type::Array(Arc::new(vec![Type::field()]), 2)); - builder.increment_array_reference_count(v0); - let zero = builder.numeric_constant(0u128, Type::unsigned(32)); - let v1 = builder.insert_array_get(v0, zero, Type::field()); - builder.decrement_array_reference_count(v0); - builder.terminate_with_return(vec![v1]); - - let ssa = builder.finish(); - let main = ssa.main(); - - // The instruction count never includes the terminator instruction - assert_eq!(main.dfg[main.entry_block()].instructions().len(), 3); - - // Expected output: - // - // acir(inline) fn main f0 { - // b0(v0: [Field; 2]): - // v2 = array_get v0, index u32 0 - // return v2 - // } + let src = " + acir(inline) fn main f0 { + b0(v0: [Field; 2]): + inc_rc v0 + v2 = array_get v0, index u32 0 -> Field + dec_rc v0 + return v2 + } + "; + let ssa = Ssa::from_str(src).unwrap(); + + let expected = " + acir(inline) fn main f0 { + b0(v0: [Field; 2]): + v2 = array_get v0, index u32 0 -> Field + return v2 + } + "; let ssa = ssa.dead_instruction_elimination(); - let main = ssa.main(); - - let instructions = main.dfg[main.entry_block()].instructions(); - assert_eq!(instructions.len(), 1); - assert!(matches!(&main.dfg[instructions[0]], Instruction::ArrayGet { .. })); + assert_normalized_ssa_equals(ssa, expected); } #[test] fn keep_paired_rcs_with_array_set() { - // acir(inline) fn main f0 { - // b0(v0: [Field; 2]): - // inc_rc v0 - // v2 = array_set v0, index u32 0, value u32 0 - // dec_rc v0 - // return v2 - // } - let main_id = Id::test_new(0); - - // Compiling main - let mut builder = FunctionBuilder::new("main".into(), main_id); - let v0 = builder.add_parameter(Type::Array(Arc::new(vec![Type::field()]), 2)); - builder.increment_array_reference_count(v0); - let zero = builder.numeric_constant(0u128, Type::unsigned(32)); - let v1 = builder.insert_array_set(v0, zero, zero); - builder.decrement_array_reference_count(v0); - builder.terminate_with_return(vec![v1]); - - let ssa = builder.finish(); - let main = ssa.main(); - - // The instruction count never includes the terminator instruction - assert_eq!(main.dfg[main.entry_block()].instructions().len(), 3); + let src = " + acir(inline) fn main f0 { + b0(v0: [Field; 2]): + inc_rc v0 + v2 = array_set v0, index u32 0, value u32 0 + dec_rc v0 + return v2 + } + "; + let ssa = Ssa::from_str(src).unwrap(); // We expect the output to be unchanged let ssa = ssa.dead_instruction_elimination(); - let main = ssa.main(); - - assert_eq!(main.dfg[main.entry_block()].instructions().len(), 3); + assert_normalized_ssa_equals(ssa, src); } #[test] @@ -940,47 +848,31 @@ mod test { #[test] fn remove_inc_rcs_that_are_never_mutably_borrowed() { - // acir(inline) fn main f0 { - // b0(v0: [Field; 2]): - // inc_rc v0 - // inc_rc v0 - // inc_rc v0 - // v2 = array_get v0, index u32 0 - // inc_rc v0 - // return v2 - // } - let main_id = Id::test_new(0); - - // Compiling main - let mut builder = FunctionBuilder::new("main".into(), main_id); - let v0 = builder.add_parameter(Type::Array(Arc::new(vec![Type::field()]), 2)); - builder.increment_array_reference_count(v0); - builder.increment_array_reference_count(v0); - builder.increment_array_reference_count(v0); - - let zero = builder.numeric_constant(0u128, Type::unsigned(32)); - let v2 = builder.insert_array_get(v0, zero, Type::field()); - builder.increment_array_reference_count(v0); - builder.terminate_with_return(vec![v2]); - - let ssa = builder.finish(); + let src = " + acir(inline) fn main f0 { + b0(v0: [Field; 2]): + inc_rc v0 + inc_rc v0 + inc_rc v0 + v2 = array_get v0, index u32 0 -> Field + inc_rc v0 + return v2 + } + "; + let ssa = Ssa::from_str(src).unwrap(); let main = ssa.main(); // The instruction count never includes the terminator instruction assert_eq!(main.dfg[main.entry_block()].instructions().len(), 5); - // Expected output: - // - // acir(inline) fn main f0 { - // b0(v0: [Field; 2]): - // v2 = array_get v0, index u32 0 - // return v2 - // } + let expected = " + acir(inline) fn main f0 { + b0(v0: [Field; 2]): + v2 = array_get v0, index u32 0 -> Field + return v2 + } + "; let ssa = ssa.dead_instruction_elimination(); - let main = ssa.main(); - - let instructions = main.dfg[main.entry_block()].instructions(); - assert_eq!(instructions.len(), 1); - assert!(matches!(&main.dfg[instructions[0]], Instruction::ArrayGet { .. })); + assert_normalized_ssa_equals(ssa, expected); } } diff --git a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/flatten_cfg.rs b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/flatten_cfg.rs index 984f639df00..db2d96aac81 100644 --- a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/flatten_cfg.rs +++ b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/flatten_cfg.rs @@ -930,237 +930,156 @@ mod test { types::Type, value::{Value, ValueId}, }, + opt::assert_normalized_ssa_equals, + Ssa, }; #[test] fn basic_jmpif() { - // fn main f0 { - // b0(v0: b1): - // jmpif v0, then: b1, else: b2 - // b1(): - // jmp b3(Field 3) - // b2(): - // jmp b3(Field 4) - // b3(v1: Field): - // return v1 - // } - let main_id = Id::test_new(0); - let mut builder = FunctionBuilder::new("main".into(), main_id); - - let b1 = builder.insert_block(); - let b2 = builder.insert_block(); - let b3 = builder.insert_block(); - - let v0 = builder.add_parameter(Type::bool()); - let v1 = builder.add_block_parameter(b3, Type::field()); - - let three = builder.field_constant(3u128); - let four = builder.field_constant(4u128); - - builder.terminate_with_jmpif(v0, b1, b2); - - builder.switch_to_block(b1); - builder.terminate_with_jmp(b3, vec![three]); - - builder.switch_to_block(b2); - builder.terminate_with_jmp(b3, vec![four]); - - builder.switch_to_block(b3); - builder.terminate_with_return(vec![v1]); - - let ssa = builder.finish(); + let src = " + acir(inline) fn main f0 { + b0(v0: u1): + jmpif v0 then: b1, else: b2 + b1(): + jmp b3(Field 3) + b3(v1: Field): + return v1 + b2(): + jmp b3(Field 4) + } + "; + let ssa = Ssa::from_str(src).unwrap(); assert_eq!(ssa.main().reachable_blocks().len(), 4); - // Expected output: - // fn main f0 { - // b0(v0: u1): - // enable_side_effects v0 - // v5 = not v0 - // enable_side_effects v5 - // enable_side_effects u1 1 - // v7 = mul v0, Field 3 - // v8 = mul v5, Field 4 - // v9 = add v7, v8 - // return v9 - // } + let expected = " + acir(inline) fn main f0 { + b0(v0: u1): + enable_side_effects v0 + v1 = not v0 + enable_side_effects u1 1 + v3 = cast v0 as Field + v4 = cast v1 as Field + v6 = mul v3, Field 3 + v8 = mul v4, Field 4 + v9 = add v6, v8 + return v9 + } + "; + let ssa = ssa.flatten_cfg(); - assert_eq!(ssa.main().reachable_blocks().len(), 1); + assert_normalized_ssa_equals(ssa, expected); } #[test] fn modify_constrain() { - // fn main f0 { - // b0(v0: u1, v1: u1): - // jmpif v0, then: b1, else: b2 - // b1(): - // constrain v1 - // jmp b2() - // b2(): - // return - // } - let main_id = Id::test_new(0); - let mut builder = FunctionBuilder::new("main".into(), main_id); - - let b1 = builder.insert_block(); - let b2 = builder.insert_block(); - - let v0 = builder.add_parameter(Type::bool()); - let v1 = builder.add_parameter(Type::bool()); - let v_true = builder.numeric_constant(true, Type::bool()); - - builder.terminate_with_jmpif(v0, b1, b2); - - builder.switch_to_block(b1); - builder.insert_constrain(v1, v_true, None); - builder.terminate_with_jmp(b2, vec![]); - - builder.switch_to_block(b2); - builder.terminate_with_return(vec![]); - - let ssa = builder.finish(); + let src = " + acir(inline) fn main f0 { + b0(v0: u1, v1: u1): + jmpif v0 then: b1, else: b2 + b1(): + constrain v1 == u1 1 + jmp b2() + b2(): + return + } + "; + let ssa = Ssa::from_str(src).unwrap(); assert_eq!(ssa.main().reachable_blocks().len(), 3); - // Expected output: - // fn main f0 { - // b0(v0: u1, v1: u1): - // enable_side_effects v0 - // v3 = mul v1, v0 - // v4 = eq v3, v0 - // constrain v4 - // v5 = not v0 - // enable_side_effects v5 - // enable_side_effects u1 1 - // return - // } + let expected = " + acir(inline) fn main f0 { + b0(v0: u1, v1: u1): + enable_side_effects v0 + v2 = mul v1, v0 + constrain v2 == v0 + v3 = not v0 + enable_side_effects u1 1 + return + } + "; let ssa = ssa.flatten_cfg(); assert_eq!(ssa.main().reachable_blocks().len(), 1); + assert_normalized_ssa_equals(ssa, expected); } #[test] fn merge_stores() { - // fn main f0 { - // b0(v0: u1, v1: &mut Field): - // jmpif v0, then: b1, else: b2 - // b1(): - // store v1, Field 5 - // jmp b2() - // b2(): - // return - // } - let main_id = Id::test_new(0); - let mut builder = FunctionBuilder::new("main".into(), main_id); - - let b1 = builder.insert_block(); - let b2 = builder.insert_block(); - - let v0 = builder.add_parameter(Type::bool()); - let v1 = builder.add_parameter(Type::Reference(Arc::new(Type::field()))); - - builder.terminate_with_jmpif(v0, b1, b2); - - builder.switch_to_block(b1); - let five = builder.field_constant(5u128); - builder.insert_store(v1, five); - builder.terminate_with_jmp(b2, vec![]); - - builder.switch_to_block(b2); - builder.terminate_with_return(vec![]); - - let ssa = builder.finish(); - - // Expected output: - // fn main f0 { - // b0(v0: u1, v1: reference): - // enable_side_effects v0 - // v4 = load v1 - // store Field 5 at v1 - // v5 = not v0 - // store v4 at v1 - // enable_side_effects u1 1 - // v6 = cast v0 as Field - // v7 = cast v5 as Field - // v8 = mul v6, Field 5 - // v9 = mul v7, v4 - // v10 = add v8, v9 - // store v10 at v1 - // return - // } + let src = " + acir(inline) fn main f0 { + b0(v0: u1, v1: &mut Field): + jmpif v0 then: b1, else: b2 + b1(): + store Field 5 at v1 + jmp b2() + b2(): + return + } + "; + let ssa = Ssa::from_str(src).unwrap(); + + let expected = " + acir(inline) fn main f0 { + b0(v0: u1, v1: &mut Field): + enable_side_effects v0 + v2 = load v1 -> Field + store Field 5 at v1 + v4 = not v0 + store v2 at v1 + enable_side_effects u1 1 + v6 = cast v0 as Field + v7 = cast v4 as Field + v8 = mul v6, Field 5 + v9 = mul v7, v2 + v10 = add v8, v9 + store v10 at v1 + return + } + "; let ssa = ssa.flatten_cfg(); - let main = ssa.main(); - - assert_eq!(main.reachable_blocks().len(), 1); - - let store_count = count_instruction(main, |ins| matches!(ins, Instruction::Store { .. })); - assert_eq!(store_count, 3); + assert_normalized_ssa_equals(ssa, expected); } #[test] fn merge_stores_with_else_block() { - // fn main f0 { - // b0(v0: u1, v1: ref): - // jmpif v0, then: b1, else: b2 - // b1(): - // store Field 5 in v1 - // jmp b3() - // b2(): - // store Field 6 in v1 - // jmp b3() - // b3(): - // return - // } - let main_id = Id::test_new(0); - let mut builder = FunctionBuilder::new("main".into(), main_id); - - let b1 = builder.insert_block(); - let b2 = builder.insert_block(); - let b3 = builder.insert_block(); - - let v0 = builder.add_parameter(Type::bool()); - let v1 = builder.add_parameter(Type::Reference(Arc::new(Type::field()))); - - builder.terminate_with_jmpif(v0, b1, b2); - - builder.switch_to_block(b1); - let five = builder.field_constant(5u128); - builder.insert_store(v1, five); - builder.terminate_with_jmp(b3, vec![]); - - builder.switch_to_block(b2); - let six = builder.field_constant(6u128); - builder.insert_store(v1, six); - builder.terminate_with_jmp(b3, vec![]); - - builder.switch_to_block(b3); - builder.terminate_with_return(vec![]); - - let ssa = builder.finish(); - - // Expected output: - // fn main f0 { - // b0(v0: u1, v1: reference): - // enable_side_effects v0 - // v5 = load v1 - // store Field 5 at v1 - // v6 = not v0 - // store v5 at v1 - // enable_side_effects v6 - // v8 = load v1 - // store Field 6 at v1 - // enable_side_effects u1 1 - // v9 = cast v0 as Field - // v10 = cast v6 as Field - // v11 = mul v9, Field 5 - // v12 = mul v10, Field 6 - // v13 = add v11, v12 - // store v13 at v1 - // return - // } + let src = " + acir(inline) fn main f0 { + b0(v0: u1, v1: &mut Field): + jmpif v0 then: b1, else: b2 + b1(): + store Field 5 at v1 + jmp b3() + b2(): + store Field 6 at v1 + jmp b3() + b3(): + return + } + "; + let ssa = Ssa::from_str(src).unwrap(); + + let expected = " + acir(inline) fn main f0 { + b0(v0: u1, v1: &mut Field): + enable_side_effects v0 + v2 = load v1 -> Field + store Field 5 at v1 + v4 = not v0 + store v2 at v1 + enable_side_effects v4 + v5 = load v1 -> Field + store Field 6 at v1 + enable_side_effects u1 1 + v8 = cast v0 as Field + v9 = cast v4 as Field + v10 = mul v8, Field 5 + v11 = mul v9, Field 6 + v12 = add v10, v11 + store v12 at v1 + return + } + "; let ssa = ssa.flatten_cfg(); - let main = ssa.main(); - assert_eq!(main.reachable_blocks().len(), 1); - - let store_count = count_instruction(main, |ins| matches!(ins, Instruction::Store { .. })); - assert_eq!(store_count, 4); + assert_normalized_ssa_equals(ssa, expected); } fn count_instruction(function: &Function, f: impl Fn(&Instruction) -> bool) -> usize { @@ -1445,40 +1364,29 @@ mod test { // Very simplified derived regression test for #1792 // Tests that it does not simplify to a true constraint an always-false constraint // The original function is replaced by the following: - // fn main f1 { - // b0(): - // jmpif u1 0 then: b1, else: b2 - // b1(): - // jmp b2() - // b2(): - // constrain u1 0 // was incorrectly removed - // return - // } - let main_id = Id::test_new(1); - let mut builder = FunctionBuilder::new("main".into(), main_id); - - builder.insert_block(); // entry - - let b1 = builder.insert_block(); - let b2 = builder.insert_block(); - let v_true = builder.numeric_constant(true, Type::bool()); - let v_false = builder.numeric_constant(false, Type::bool()); - builder.terminate_with_jmpif(v_false, b1, b2); - - builder.switch_to_block(b1); - builder.terminate_with_jmp(b2, vec![]); - - builder.switch_to_block(b2); - builder.insert_constrain(v_false, v_true, None); // should not be removed - builder.terminate_with_return(vec![]); - - let ssa = builder.finish().flatten_cfg(); - let main = ssa.main(); - - // Assert we have not incorrectly removed a constraint: - use Instruction::Constrain; - let constrain_count = count_instruction(main, |ins| matches!(ins, Constrain(..))); - assert_eq!(constrain_count, 1); + let src = " + acir(inline) fn main f1 { + b0(): + jmpif u1 0 then: b1, else: b2 + b1(): + jmp b2() + b2(): + constrain u1 0 == u1 1 // was incorrectly removed + return + } + "; + let ssa = Ssa::from_str(src).unwrap(); + + let expected = " + acir(inline) fn main f0 { + b0(): + enable_side_effects u1 1 + constrain u1 0 == u1 1 + return + } + "; + let ssa = ssa.flatten_cfg(); + assert_normalized_ssa_equals(ssa, expected); } #[test] diff --git a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/mem2reg.rs b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/mem2reg.rs index 9e3dd3e5a30..a052abc5e16 100644 --- a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/mem2reg.rs +++ b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/mem2reg.rs @@ -212,37 +212,32 @@ impl<'f> PerFunctionContext<'f> { all_terminator_values: &HashSet, per_func_block_params: &HashSet, ) -> bool { - let func_params = self.inserter.function.parameters(); - let reference_parameters = func_params - .iter() - .filter(|param| self.inserter.function.dfg.value_is_reference(**param)) - .collect::>(); + let reference_parameters = self.reference_parameters(); - let mut store_alias_used = false; if let Some(expression) = block.expressions.get(store_address) { if let Some(aliases) = block.aliases.get(expression) { let allocation_aliases_parameter = aliases.any(|alias| reference_parameters.contains(&alias)); if allocation_aliases_parameter == Some(true) { - store_alias_used = true; + return true; } let allocation_aliases_parameter = aliases.any(|alias| per_func_block_params.contains(&alias)); if allocation_aliases_parameter == Some(true) { - store_alias_used = true; + return true; } let allocation_aliases_parameter = aliases.any(|alias| self.calls_reference_input.contains(&alias)); if allocation_aliases_parameter == Some(true) { - store_alias_used = true; + return true; } let allocation_aliases_parameter = aliases.any(|alias| all_terminator_values.contains(&alias)); if allocation_aliases_parameter == Some(true) { - store_alias_used = true; + return true; } let allocation_aliases_parameter = aliases.any(|alias| { @@ -252,14 +247,25 @@ impl<'f> PerFunctionContext<'f> { false } }); - if allocation_aliases_parameter == Some(true) { - store_alias_used = true; + return true; } } } - store_alias_used + false + } + + /// Collect the input parameters of the function which are of reference type. + /// All references are mutable, so these inputs are shared with the function caller + /// and thus stores should not be eliminated, even if the blocks in this function + /// don't use them anywhere. + fn reference_parameters(&self) -> BTreeSet { + let parameters = self.inserter.function.parameters().iter(); + parameters + .filter(|param| self.inserter.function.dfg.value_is_reference(**param)) + .copied() + .collect() } fn recursively_add_values(&self, value: ValueId, set: &mut HashSet) { @@ -300,6 +306,12 @@ impl<'f> PerFunctionContext<'f> { fn analyze_block(&mut self, block: BasicBlockId, mut references: Block) { let instructions = self.inserter.function.dfg[block].take_instructions(); + // If this is the entry block, take all the block parameters and assume they may + // be aliased to each other + if block == self.inserter.function.entry_block() { + self.add_aliases_for_reference_parameters(block, &mut references); + } + for instruction in instructions { self.analyze_instruction(block, &mut references, instruction); } @@ -316,13 +328,51 @@ impl<'f> PerFunctionContext<'f> { self.blocks.insert(block, references); } + /// Go through each parameter and register that all reference parameters of the same type are + /// possibly aliased to each other. If there are parameters with nested references (arrays of + /// references or references containing other references) we give up and assume all parameter + /// references are `AliasSet::unknown()`. + fn add_aliases_for_reference_parameters(&self, block: BasicBlockId, references: &mut Block) { + let dfg = &self.inserter.function.dfg; + let params = dfg.block_parameters(block); + + let mut aliases: HashMap = HashMap::default(); + + for param in params { + match dfg.type_of_value(*param) { + // If the type indirectly contains a reference we have to assume all references + // are unknown since we don't have any ValueIds to use. + Type::Reference(element) if element.contains_reference() => return, + Type::Reference(element) => { + let empty_aliases = AliasSet::known_empty(); + let alias_set = + aliases.entry(element.as_ref().clone()).or_insert(empty_aliases); + alias_set.insert(*param); + } + typ if typ.contains_reference() => return, + _ => continue, + } + } + + for aliases in aliases.into_values() { + let first = aliases.first(); + let first = first.expect("All parameters alias at least themselves or we early return"); + + let expression = Expression::Other(first); + let previous = references.aliases.insert(expression.clone(), aliases.clone()); + assert!(previous.is_none()); + + aliases.for_each(|alias| { + let previous = references.expressions.insert(alias, expression.clone()); + assert!(previous.is_none()); + }); + } + } + /// Add all instructions in `last_stores` to `self.instructions_to_remove` which do not /// possibly alias any parameters of the given function. fn remove_stores_that_do_not_alias_parameters(&mut self, references: &Block) { - let parameters = self.inserter.function.parameters().iter(); - let reference_parameters = parameters - .filter(|param| self.inserter.function.dfg.value_is_reference(**param)) - .collect::>(); + let reference_parameters = self.reference_parameters(); for (allocation, instruction) in &references.last_stores { if let Some(expression) = references.expressions.get(allocation) { @@ -466,6 +516,8 @@ impl<'f> PerFunctionContext<'f> { } } + /// If `array` is an array constant that contains reference types, then insert each element + /// as a potential alias to the array itself. fn check_array_aliasing(&self, references: &mut Block, array: ValueId) { if let Some((elements, typ)) = self.inserter.function.dfg.get_array_constant(array) { if Self::contains_references(&typ) { @@ -904,7 +956,7 @@ mod tests { let mut builder = FunctionBuilder::new("main".into(), main_id); let v0 = builder.insert_allocate(Type::field()); - let zero = builder.numeric_constant(0u128, Type::field()); + let zero = builder.field_constant(0u128); builder.insert_store(v0, zero); let v2 = builder.insert_allocate(Type::field()); @@ -928,9 +980,9 @@ mod tests { // Loop body builder.switch_to_block(b2); let v5 = builder.insert_load(v2, v2_type.clone()); - let two = builder.numeric_constant(2u128, Type::field()); + let two = builder.field_constant(2u128); builder.insert_store(v5, two); - let one = builder.numeric_constant(1u128, Type::field()); + let one = builder.field_constant(1u128); let v3_plus_one = builder.insert_binary(v3, BinaryOp::Add, one); builder.terminate_with_jmp(b1, vec![v3_plus_one]); @@ -961,4 +1013,44 @@ mod tests { assert_eq!(count_loads(b2, &main.dfg), 1); assert_eq!(count_loads(b3, &main.dfg), 3); } + + #[test] + fn parameter_alias() { + // Do not assume parameters are not aliased to each other. + // The load below shouldn't be removed since `v0` could + // be aliased to `v1`. + // + // fn main f0 { + // b0(v0: &mut Field, v1: &mut Field): + // store Field 0 at v0 + // store Field 1 at v1 + // v4 = load v0 + // constrain v4 == Field 1 + // return + // } + let main_id = Id::test_new(0); + let mut builder = FunctionBuilder::new("main".into(), main_id); + + let field_ref = Type::Reference(Arc::new(Type::field())); + let v0 = builder.add_parameter(field_ref.clone()); + let v1 = builder.add_parameter(field_ref.clone()); + + let zero = builder.field_constant(0u128); + let one = builder.field_constant(0u128); + builder.insert_store(v0, zero); + builder.insert_store(v1, one); + + let v4 = builder.insert_load(v0, Type::field()); + builder.insert_constrain(v4, one, None); + builder.terminate_with_return(Vec::new()); + + let ssa = builder.finish(); + let main = ssa.main(); + assert_eq!(count_loads(main.entry_block(), &main.dfg), 1); + + // No change expected + let ssa = ssa.mem2reg(); + let main = ssa.main(); + assert_eq!(count_loads(main.entry_block(), &main.dfg), 1); + } } diff --git a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/mem2reg/alias_set.rs b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/mem2reg/alias_set.rs index 5477025e429..4d768caa36b 100644 --- a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/mem2reg/alias_set.rs +++ b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/mem2reg/alias_set.rs @@ -73,4 +73,11 @@ impl AliasSet { } } } + + /// Return the first ValueId in the alias set as long as there is at least one. + /// The ordering is arbitrary (by lowest ValueId) so this method should only be + /// used when you need an arbitrary ValueId from the alias set. + pub(super) fn first(&self) -> Option { + self.aliases.as_ref().and_then(|aliases| aliases.first().copied()) + } } diff --git a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/mod.rs b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/mod.rs index f3dbd58fa69..5576b494570 100644 --- a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/mod.rs +++ b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/mod.rs @@ -3,6 +3,7 @@ //! Each pass is generally expected to mutate the SSA IR into a gradually //! simpler form until the IR only has a single function remaining with 1 block within it. //! Generally, these passes are also expected to minimize the final amount of instructions. + mod array_set; mod as_slice_length; mod assert_constant; @@ -21,3 +22,29 @@ mod resolve_is_unconstrained; mod runtime_separation; mod simplify_cfg; mod unrolling; + +/// Asserts that the given SSA, after normalizing its IDs and printing it, +/// is equal to the expected strings. Normalization is done so the IDs don't +/// shift depending on whether temporary intermediate values were created. +#[cfg(test)] +pub(crate) fn assert_normalized_ssa_equals(mut ssa: super::Ssa, expected: &str) { + // First check if `expected` is valid SSA by parsing it, otherwise + // the comparison will always fail but it won't be clear that it's because + // expected is not valid. + if let Err(err) = Ssa::from_str(expected) { + panic!("`expected` argument of `assert_ssa_equals` is not valid SSA:\n{:?}", err); + } + + use crate::{ssa::Ssa, trim_leading_whitespace_from_lines}; + + ssa.normalize_ids(); + + let ssa = ssa.to_string(); + let ssa = trim_leading_whitespace_from_lines(&ssa); + let expected = trim_leading_whitespace_from_lines(expected); + + if ssa != expected { + println!("Got:\n~~~\n{}\n~~~\nExpected:\n~~~\n{}\n~~~", ssa, expected); + similar_asserts::assert_eq!(ssa, expected); + } +} diff --git a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/remove_bit_shifts.rs b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/remove_bit_shifts.rs index 6f3f2fa14b7..cdbb1043232 100644 --- a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/remove_bit_shifts.rs +++ b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/remove_bit_shifts.rs @@ -145,6 +145,8 @@ impl Context<'_> { } /// Insert ssa instructions which computes lhs >> rhs by doing lhs/2^rhs + /// For negative signed integers, we do the division on the 1-complement representation of lhs, + /// before converting back the result to the 2-complement representation. pub(crate) fn insert_shift_right( &mut self, lhs: ValueId, @@ -153,16 +155,27 @@ impl Context<'_> { ) -> ValueId { let lhs_typ = self.function.dfg.type_of_value(lhs); let base = self.field_constant(FieldElement::from(2_u128)); - // we can safely cast to unsigned because overflow_checks prevent bit-shift with a negative value - let rhs_unsigned = self.insert_cast(rhs, Type::unsigned(bit_size)); - let pow = self.pow(base, rhs_unsigned); - // We need at least one more bit for the case where rhs == bit_size - let div_type = Type::unsigned(bit_size + 1); - let casted_lhs = self.insert_cast(lhs, div_type.clone()); - let casted_pow = self.insert_cast(pow, div_type); - let div_result = self.insert_binary(casted_lhs, BinaryOp::Div, casted_pow); - // We have to cast back to the original type - self.insert_cast(div_result, lhs_typ) + let pow = self.pow(base, rhs); + if lhs_typ.is_unsigned() { + // unsigned right bit shift is just a normal division + self.insert_binary(lhs, BinaryOp::Div, pow) + } else { + // Get the sign of the operand; positive signed operand will just do a division as well + let zero = self.numeric_constant(FieldElement::zero(), Type::signed(bit_size)); + let lhs_sign = self.insert_binary(lhs, BinaryOp::Lt, zero); + let lhs_sign_as_field = self.insert_cast(lhs_sign, Type::field()); + let lhs_as_field = self.insert_cast(lhs, Type::field()); + // For negative numbers, convert to 1-complement using wrapping addition of a + 1 + let one_complement = self.insert_binary(lhs_sign_as_field, BinaryOp::Add, lhs_as_field); + let one_complement = self.insert_truncate(one_complement, bit_size, bit_size + 1); + let one_complement = self.insert_cast(one_complement, Type::signed(bit_size)); + // Performs the division on the 1-complement (or the operand if positive) + let shifted_complement = self.insert_binary(one_complement, BinaryOp::Div, pow); + // Convert back to 2-complement representation if operand is negative + let lhs_sign_as_int = self.insert_cast(lhs_sign, lhs_typ); + let shifted = self.insert_binary(shifted_complement, BinaryOp::Sub, lhs_sign_as_int); + self.insert_truncate(shifted, bit_size, bit_size + 1) + } } /// Computes lhs^rhs via square&multiply, using the bits decomposition of rhs diff --git a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/parser.rs b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/parser.rs new file mode 100644 index 00000000000..717d2691b2f --- /dev/null +++ b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/parser.rs @@ -0,0 +1,902 @@ +use std::{ + fmt::{self, Debug, Formatter}, + sync::Arc, +}; + +use super::{ + ir::{instruction::BinaryOp, types::Type}, + Ssa, +}; + +use acvm::{AcirField, FieldElement}; +use ast::{ + Identifier, ParsedBlock, ParsedFunction, ParsedInstruction, ParsedParameter, ParsedSsa, + ParsedValue, +}; +use lexer::{Lexer, LexerError}; +use noirc_errors::Span; +use noirc_frontend::{monomorphization::ast::InlineType, token::IntType}; +use thiserror::Error; +use token::{Keyword, SpannedToken, Token}; + +use crate::ssa::{ir::function::RuntimeType, parser::ast::ParsedTerminator}; + +mod ast; +mod into_ssa; +mod lexer; +mod tests; +mod token; + +impl Ssa { + pub(crate) fn from_str(src: &str) -> Result { + let mut parser = + Parser::new(src).map_err(|err| SsaErrorWithSource::parse_error(err, src))?; + let parsed_ssa = + parser.parse_ssa().map_err(|err| SsaErrorWithSource::parse_error(err, src))?; + parsed_ssa.into_ssa().map_err(|error| SsaErrorWithSource { src: src.to_string(), error }) + } +} + +pub(crate) struct SsaErrorWithSource { + src: String, + error: SsaError, +} + +impl SsaErrorWithSource { + fn parse_error(error: ParserError, src: &str) -> Self { + Self { src: src.to_string(), error: SsaError::ParserError(error) } + } +} + +impl Debug for SsaErrorWithSource { + fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result { + let span = self.error.span(); + + let mut byte: usize = 0; + for line in self.src.lines() { + let has_error = + byte <= span.start() as usize && span.end() as usize <= byte + line.len(); + if has_error { + writeln!(f)?; + } + + writeln!(f, "{}", line)?; + + if has_error { + let offset = span.start() as usize - byte; + write!(f, "{}", " ".repeat(offset))?; + writeln!(f, "{}", "^".repeat((span.end() - span.start()) as usize))?; + write!(f, "{}", " ".repeat(offset))?; + writeln!(f, "{}", self.error)?; + writeln!(f)?; + } + + byte += line.len() + 1; // "+ 1" for the newline + } + Ok(()) + } +} + +#[derive(Debug, Error)] +pub(crate) enum SsaError { + #[error("{0}")] + ParserError(ParserError), + #[error("Unknown variable '{0}'")] + UnknownVariable(Identifier), + #[error("Unknown block '{0}'")] + UnknownBlock(Identifier), + #[error("Unknown function '{0}'")] + UnknownFunction(Identifier), + #[error("Mismatched return values")] + MismatchedReturnValues { returns: Vec, expected: usize }, + #[error("Variable '{0}' already defined")] + VariableAlreadyDefined(Identifier), +} + +impl SsaError { + fn span(&self) -> Span { + match self { + SsaError::ParserError(parser_error) => parser_error.span(), + SsaError::UnknownVariable(identifier) + | SsaError::UnknownBlock(identifier) + | SsaError::VariableAlreadyDefined(identifier) + | SsaError::UnknownFunction(identifier) => identifier.span, + SsaError::MismatchedReturnValues { returns, expected: _ } => returns[0].span, + } + } +} + +type ParseResult = Result; + +pub(crate) struct Parser<'a> { + lexer: Lexer<'a>, + token: SpannedToken, +} + +impl<'a> Parser<'a> { + pub(crate) fn new(source: &'a str) -> ParseResult { + let lexer = Lexer::new(source); + let mut parser = Self { lexer, token: eof_spanned_token() }; + parser.token = parser.read_token_internal()?; + Ok(parser) + } + + pub(crate) fn parse_ssa(&mut self) -> ParseResult { + let mut functions = Vec::new(); + while !self.at(Token::Eof) { + let function = self.parse_function()?; + functions.push(function); + } + Ok(ParsedSsa { functions }) + } + + fn parse_function(&mut self) -> ParseResult { + let runtime_type = self.parse_runtime_type()?; + self.eat_or_error(Token::Keyword(Keyword::Fn))?; + + let external_name = self.eat_ident_or_error()?; + let internal_name = self.eat_ident_or_error()?; + + self.eat_or_error(Token::LeftBrace)?; + + let blocks = self.parse_blocks()?; + + self.eat_or_error(Token::RightBrace)?; + + Ok(ParsedFunction { runtime_type, external_name, internal_name, blocks }) + } + + fn parse_runtime_type(&mut self) -> ParseResult { + let acir = if self.eat_keyword(Keyword::Acir)? { + true + } else if self.eat_keyword(Keyword::Brillig)? { + false + } else { + return self.expected_one_of_tokens(&[ + Token::Keyword(Keyword::Acir), + Token::Keyword(Keyword::Brillig), + ]); + }; + + self.eat_or_error(Token::LeftParen)?; + let inline_type = self.parse_inline_type()?; + self.eat_or_error(Token::RightParen)?; + + if acir { + Ok(RuntimeType::Acir(inline_type)) + } else { + Ok(RuntimeType::Brillig(inline_type)) + } + } + + fn parse_inline_type(&mut self) -> ParseResult { + if self.eat_keyword(Keyword::Inline)? { + Ok(InlineType::Inline) + } else if self.eat_keyword(Keyword::InlineAlways)? { + Ok(InlineType::InlineAlways) + } else if self.eat_keyword(Keyword::Fold)? { + Ok(InlineType::Fold) + } else if self.eat_keyword(Keyword::NoPredicates)? { + Ok(InlineType::NoPredicates) + } else { + self.expected_one_of_tokens(&[ + Token::Keyword(Keyword::Inline), + Token::Keyword(Keyword::InlineAlways), + Token::Keyword(Keyword::Fold), + Token::Keyword(Keyword::NoPredicates), + ]) + } + } + + fn parse_blocks(&mut self) -> ParseResult> { + let mut blocks = Vec::new(); + while !self.at(Token::RightBrace) { + let block = self.parse_block()?; + blocks.push(block); + } + Ok(blocks) + } + + fn parse_block(&mut self) -> ParseResult { + let name = self.eat_ident_or_error()?; + self.eat_or_error(Token::LeftParen)?; + + let mut parameters = Vec::new(); + while !self.at(Token::RightParen) { + parameters.push(self.parse_parameter()?); + if !self.eat(Token::Comma)? { + break; + } + } + + self.eat_or_error(Token::RightParen)?; + self.eat_or_error(Token::Colon)?; + + let instructions = self.parse_instructions()?; + let terminator = self.parse_terminator()?; + Ok(ParsedBlock { name, parameters, instructions, terminator }) + } + + fn parse_parameter(&mut self) -> ParseResult { + let identifier = self.eat_identifier_or_error()?; + self.eat_or_error(Token::Colon)?; + let typ = self.parse_type()?; + Ok(ParsedParameter { identifier, typ }) + } + + fn parse_instructions(&mut self) -> ParseResult> { + let mut instructions = Vec::new(); + while let Some(instruction) = self.parse_instruction()? { + instructions.push(instruction); + } + Ok(instructions) + } + + fn parse_instruction(&mut self) -> ParseResult> { + if let Some(instruction) = self.parse_call()? { + return Ok(Some(instruction)); + } + + if let Some(instruction) = self.parse_constrain()? { + return Ok(Some(instruction)); + } + + if let Some(instruction) = self.parse_decrement_rc()? { + return Ok(Some(instruction)); + } + + if let Some(instruction) = self.parse_enable_side_effects()? { + return Ok(Some(instruction)); + } + + if let Some(instruction) = self.parse_increment_rc()? { + return Ok(Some(instruction)); + } + + if let Some(instruction) = self.parse_range_check()? { + return Ok(Some(instruction)); + } + + if let Some(instruction) = self.parse_store()? { + return Ok(Some(instruction)); + } + + if let Some(target) = self.eat_identifier()? { + return Ok(Some(self.parse_assignment(target)?)); + } + + Ok(None) + } + + fn eat_binary_op(&mut self) -> ParseResult> { + let op = match self.token.token() { + Token::Keyword(Keyword::Add) => BinaryOp::Add, + Token::Keyword(Keyword::Sub) => BinaryOp::Sub, + Token::Keyword(Keyword::Mul) => BinaryOp::Mul, + Token::Keyword(Keyword::Div) => BinaryOp::Div, + Token::Keyword(Keyword::Eq) => BinaryOp::Eq, + Token::Keyword(Keyword::Mod) => BinaryOp::Mod, + Token::Keyword(Keyword::Lt) => BinaryOp::Lt, + Token::Keyword(Keyword::And) => BinaryOp::And, + Token::Keyword(Keyword::Or) => BinaryOp::Or, + Token::Keyword(Keyword::Xor) => BinaryOp::Xor, + Token::Keyword(Keyword::Shl) => BinaryOp::Shl, + Token::Keyword(Keyword::Shr) => BinaryOp::Shr, + _ => return Ok(None), + }; + + self.bump()?; + + Ok(Some(op)) + } + + fn parse_call(&mut self) -> ParseResult> { + if !self.eat_keyword(Keyword::Call)? { + return Ok(None); + } + + let function = self.eat_identifier_or_error()?; + let arguments = self.parse_arguments()?; + Ok(Some(ParsedInstruction::Call { targets: vec![], function, arguments, types: vec![] })) + } + + fn parse_constrain(&mut self) -> ParseResult> { + if !self.eat_keyword(Keyword::Constrain)? { + return Ok(None); + } + + let lhs = self.parse_value_or_error()?; + self.eat_or_error(Token::Equal)?; + let rhs = self.parse_value_or_error()?; + Ok(Some(ParsedInstruction::Constrain { lhs, rhs })) + } + + fn parse_decrement_rc(&mut self) -> ParseResult> { + if !self.eat_keyword(Keyword::DecRc)? { + return Ok(None); + } + + let value = self.parse_value_or_error()?; + Ok(Some(ParsedInstruction::DecrementRc { value })) + } + + fn parse_enable_side_effects(&mut self) -> ParseResult> { + if !self.eat_keyword(Keyword::EnableSideEffects)? { + return Ok(None); + } + + let condition = self.parse_value_or_error()?; + Ok(Some(ParsedInstruction::EnableSideEffectsIf { condition })) + } + + fn parse_increment_rc(&mut self) -> ParseResult> { + if !self.eat_keyword(Keyword::IncRc)? { + return Ok(None); + } + + let value = self.parse_value_or_error()?; + Ok(Some(ParsedInstruction::IncrementRc { value })) + } + + fn parse_range_check(&mut self) -> ParseResult> { + if !self.eat_keyword(Keyword::RangeCheck)? { + return Ok(None); + } + + let value = self.parse_value_or_error()?; + self.eat_or_error(Token::Keyword(Keyword::To))?; + let max_bit_size = self.eat_int_or_error()?.to_u128() as u32; + self.eat_or_error(Token::Keyword(Keyword::Bits))?; + Ok(Some(ParsedInstruction::RangeCheck { value, max_bit_size })) + } + + fn parse_store(&mut self) -> ParseResult> { + if !self.eat_keyword(Keyword::Store)? { + return Ok(None); + } + + let value = self.parse_value_or_error()?; + self.eat_or_error(Token::Keyword(Keyword::At))?; + let address = self.parse_value_or_error()?; + Ok(Some(ParsedInstruction::Store { address, value })) + } + + fn parse_assignment(&mut self, target: Identifier) -> ParseResult { + let mut targets = vec![target]; + + while self.eat(Token::Comma)? { + let target = self.eat_identifier_or_error()?; + targets.push(target); + } + + self.eat_or_error(Token::Assign)?; + + if self.eat_keyword(Keyword::Call)? { + let function = self.eat_identifier_or_error()?; + let arguments = self.parse_arguments()?; + self.eat_or_error(Token::Arrow)?; + let types = self.parse_types()?; + return Ok(ParsedInstruction::Call { targets, function, arguments, types }); + } + + if targets.len() > 1 { + return Err(ParserError::MultipleReturnValuesOnlyAllowedForCall { + second_target: targets[1].clone(), + }); + } + + let target = targets.remove(0); + + if self.eat_keyword(Keyword::Allocate)? { + self.eat_or_error(Token::Arrow)?; + let typ = self.parse_mutable_reference_type_or_error()?; + return Ok(ParsedInstruction::Allocate { target, typ }); + } + + if self.eat_keyword(Keyword::ArrayGet)? { + let array = self.parse_value_or_error()?; + self.eat_or_error(Token::Comma)?; + self.eat_or_error(Token::Keyword(Keyword::Index))?; + let index = self.parse_value_or_error()?; + self.eat_or_error(Token::Arrow)?; + let element_type = self.parse_type()?; + return Ok(ParsedInstruction::ArrayGet { target, element_type, array, index }); + } + + if self.eat_keyword(Keyword::ArraySet)? { + let mutable = self.eat_keyword(Keyword::Mut)?; + let array = self.parse_value_or_error()?; + self.eat_or_error(Token::Comma)?; + self.eat_or_error(Token::Keyword(Keyword::Index))?; + let index = self.parse_value_or_error()?; + self.eat_or_error(Token::Comma)?; + self.eat_or_error(Token::Keyword(Keyword::Value))?; + let value = self.parse_value_or_error()?; + return Ok(ParsedInstruction::ArraySet { target, array, index, value, mutable }); + } + + if self.eat_keyword(Keyword::Cast)? { + let lhs = self.parse_value_or_error()?; + self.eat_or_error(Token::Keyword(Keyword::As))?; + let typ = self.parse_type()?; + return Ok(ParsedInstruction::Cast { target, lhs, typ }); + } + + if self.eat_keyword(Keyword::Load)? { + let value = self.parse_value_or_error()?; + self.eat_or_error(Token::Arrow)?; + let typ = self.parse_type()?; + return Ok(ParsedInstruction::Load { target, value, typ }); + } + + if self.eat_keyword(Keyword::Not)? { + let value = self.parse_value_or_error()?; + return Ok(ParsedInstruction::Not { target, value }); + } + + if self.eat_keyword(Keyword::Truncate)? { + let value = self.parse_value_or_error()?; + self.eat_or_error(Token::Keyword(Keyword::To))?; + let bit_size = self.eat_int_or_error()?.to_u128() as u32; + self.eat_or_error(Token::Keyword(Keyword::Bits))?; + self.eat_or_error(Token::Comma)?; + self.eat_or_error(Token::Keyword(Keyword::MaxBitSize))?; + self.eat_or_error(Token::Colon)?; + let max_bit_size = self.eat_int_or_error()?.to_u128() as u32; + return Ok(ParsedInstruction::Truncate { target, value, bit_size, max_bit_size }); + } + + if let Some(op) = self.eat_binary_op()? { + let lhs = self.parse_value_or_error()?; + self.eat_or_error(Token::Comma)?; + let rhs = self.parse_value_or_error()?; + return Ok(ParsedInstruction::BinaryOp { target, lhs, op, rhs }); + } + + self.expected_instruction_or_terminator() + } + + fn parse_terminator(&mut self) -> ParseResult { + if let Some(terminator) = self.parse_return()? { + return Ok(terminator); + } + + if let Some(terminator) = self.parse_jmp()? { + return Ok(terminator); + } + + if let Some(terminator) = self.parse_jmpif()? { + return Ok(terminator); + } + + self.expected_instruction_or_terminator() + } + + fn parse_return(&mut self) -> ParseResult> { + // Before advancing to the next token (after a potential return keyword), + // we check if a newline follows. This is because if we have this: + // + // return + // b1(): + // ... + // + // then unless we check for a newline we can't know if the return + // returns `b1` or not (we could check if a parentheses comes next, but + // that would require a look-ahead and, for the purpose of the SSA parser, + // it's just simpler to check if a newline follows) + let newline_follows = self.newline_follows(); + + if !self.eat_keyword(Keyword::Return)? { + return Ok(None); + } + + let values = + if newline_follows { Vec::new() } else { self.parse_comma_separated_values()? }; + Ok(Some(ParsedTerminator::Return(values))) + } + + fn parse_jmp(&mut self) -> ParseResult> { + if !self.eat_keyword(Keyword::Jmp)? { + return Ok(None); + } + + let destination = self.eat_identifier_or_error()?; + let arguments = self.parse_arguments()?; + Ok(Some(ParsedTerminator::Jmp { destination, arguments })) + } + + fn parse_jmpif(&mut self) -> ParseResult> { + if !self.eat_keyword(Keyword::Jmpif)? { + return Ok(None); + } + + let condition = self.parse_value_or_error()?; + self.eat_or_error(Token::Keyword(Keyword::Then))?; + self.eat_or_error(Token::Colon)?; + let then_block = self.eat_identifier_or_error()?; + self.eat_or_error(Token::Comma)?; + self.eat_or_error(Token::Keyword(Keyword::Else))?; + self.eat_or_error(Token::Colon)?; + let else_block = self.eat_identifier_or_error()?; + + Ok(Some(ParsedTerminator::Jmpif { condition, then_block, else_block })) + } + + fn parse_arguments(&mut self) -> ParseResult> { + self.eat_or_error(Token::LeftParen)?; + let arguments = self.parse_comma_separated_values()?; + self.eat_or_error(Token::RightParen)?; + Ok(arguments) + } + + fn parse_comma_separated_values(&mut self) -> ParseResult> { + let mut values = Vec::new(); + while let Some(value) = self.parse_value()? { + values.push(value); + if !self.eat(Token::Comma)? { + break; + } + } + Ok(values) + } + + fn parse_value_or_error(&mut self) -> ParseResult { + if let Some(value) = self.parse_value()? { + Ok(value) + } else { + self.expected_value() + } + } + + fn parse_value(&mut self) -> ParseResult> { + if let Some(value) = self.parse_field_value()? { + return Ok(Some(value)); + } + + if let Some(value) = self.parse_int_value()? { + return Ok(Some(value)); + } + + if let Some(value) = self.parse_array_value()? { + return Ok(Some(value)); + } + + if let Some(identifier) = self.eat_identifier()? { + return Ok(Some(ParsedValue::Variable(identifier))); + } + + Ok(None) + } + + fn parse_field_value(&mut self) -> ParseResult> { + if self.eat_keyword(Keyword::Field)? { + let constant = self.eat_int_or_error()?; + Ok(Some(ParsedValue::NumericConstant { constant, typ: Type::field() })) + } else { + Ok(None) + } + } + + fn parse_int_value(&mut self) -> ParseResult> { + if let Some(int_type) = self.eat_int_type()? { + let constant = self.eat_int_or_error()?; + let typ = match int_type { + IntType::Unsigned(bit_size) => Type::unsigned(bit_size), + IntType::Signed(bit_size) => Type::signed(bit_size), + }; + Ok(Some(ParsedValue::NumericConstant { constant, typ })) + } else { + Ok(None) + } + } + + fn parse_array_value(&mut self) -> ParseResult> { + if self.eat(Token::LeftBracket)? { + let values = self.parse_comma_separated_values()?; + self.eat_or_error(Token::RightBracket)?; + self.eat_or_error(Token::Keyword(Keyword::Of))?; + let types = self.parse_types()?; + let types_len = types.len(); + let values_len = values.len(); + Ok(Some(ParsedValue::Array { + typ: Type::Array(Arc::new(types), values_len / types_len), + values, + })) + } else { + Ok(None) + } + } + + fn parse_types(&mut self) -> ParseResult> { + if self.eat(Token::LeftParen)? { + let types = self.parse_comma_separated_types()?; + self.eat_or_error(Token::RightParen)?; + Ok(types) + } else { + Ok(vec![self.parse_type()?]) + } + } + + fn parse_comma_separated_types(&mut self) -> ParseResult> { + let mut types = Vec::new(); + loop { + let typ = self.parse_type()?; + types.push(typ); + if !self.eat(Token::Comma)? { + break; + } + } + Ok(types) + } + + fn parse_type(&mut self) -> ParseResult { + if self.eat_keyword(Keyword::Bool)? { + return Ok(Type::bool()); + } + + if self.eat_keyword(Keyword::Field)? { + return Ok(Type::field()); + } + + if let Some(int_type) = self.eat_int_type()? { + return Ok(match int_type { + IntType::Unsigned(bit_size) => Type::unsigned(bit_size), + IntType::Signed(bit_size) => Type::signed(bit_size), + }); + } + + if self.eat(Token::LeftBracket)? { + let element_types = self.parse_types()?; + if self.eat(Token::Semicolon)? { + let length = self.eat_int_or_error()?; + self.eat_or_error(Token::RightBracket)?; + return Ok(Type::Array(Arc::new(element_types), length.to_u128() as usize)); + } else { + self.eat_or_error(Token::RightBracket)?; + return Ok(Type::Slice(Arc::new(element_types))); + } + } + + if let Some(typ) = self.parse_mutable_reference_type()? { + return Ok(Type::Reference(Arc::new(typ))); + } + + self.expected_type() + } + + /// Parses `&mut Type`, returns `Type` if `&mut` was found, errors otherwise. + fn parse_mutable_reference_type_or_error(&mut self) -> ParseResult { + if let Some(typ) = self.parse_mutable_reference_type()? { + Ok(typ) + } else { + self.expected_token(Token::Ampersand) + } + } + + /// Parses `&mut Type`, returns `Some(Type)` if `&mut` was found, `None` otherwise. + fn parse_mutable_reference_type(&mut self) -> ParseResult> { + if !self.eat(Token::Ampersand)? { + return Ok(None); + } + + self.eat_or_error(Token::Keyword(Keyword::Mut))?; + let typ = self.parse_type()?; + Ok(Some(typ)) + } + + fn eat_identifier_or_error(&mut self) -> ParseResult { + if let Some(identifier) = self.eat_identifier()? { + Ok(identifier) + } else { + self.expected_identifier() + } + } + + fn eat_identifier(&mut self) -> ParseResult> { + let span = self.token.to_span(); + if let Some(name) = self.eat_ident()? { + Ok(Some(Identifier::new(name, span))) + } else { + Ok(None) + } + } + + fn eat_keyword(&mut self, keyword: Keyword) -> ParseResult { + if let Token::Keyword(kw) = self.token.token() { + if *kw == keyword { + self.bump()?; + Ok(true) + } else { + Ok(false) + } + } else { + Ok(false) + } + } + + fn eat_ident(&mut self) -> ParseResult> { + if !matches!(self.token.token(), Token::Ident(..)) { + return Ok(None); + } + + let token = self.bump()?; + match token.into_token() { + Token::Ident(ident) => Ok(Some(ident)), + _ => unreachable!(), + } + } + + fn eat_ident_or_error(&mut self) -> ParseResult { + if let Some(ident) = self.eat_ident()? { + Ok(ident) + } else { + self.expected_identifier() + } + } + + fn eat_int(&mut self) -> ParseResult> { + if matches!(self.token.token(), Token::Int(..)) { + let token = self.bump()?; + match token.into_token() { + Token::Int(int) => Ok(Some(int)), + _ => unreachable!(), + } + } else { + Ok(None) + } + } + + fn eat_int_or_error(&mut self) -> ParseResult { + if let Some(int) = self.eat_int()? { + Ok(int) + } else { + self.expected_int() + } + } + + fn eat_int_type(&mut self) -> ParseResult> { + let is_int_type = matches!(self.token.token(), Token::IntType(..)); + if is_int_type { + let token = self.bump()?; + match token.into_token() { + Token::IntType(int_type) => Ok(Some(int_type)), + _ => unreachable!(), + } + } else { + Ok(None) + } + } + + fn eat(&mut self, token: Token) -> ParseResult { + if self.token.token() == &token { + self.bump()?; + Ok(true) + } else { + Ok(false) + } + } + + fn eat_or_error(&mut self, token: Token) -> ParseResult<()> { + if self.eat(token.clone())? { + Ok(()) + } else { + self.expected_token(token) + } + } + + fn at(&self, token: Token) -> bool { + self.token.token() == &token + } + + fn at_keyword(&self, keyword: Keyword) -> bool { + self.at(Token::Keyword(keyword)) + } + + fn newline_follows(&self) -> bool { + self.lexer.newline_follows() + } + + fn bump(&mut self) -> ParseResult { + let token = self.read_token_internal()?; + Ok(std::mem::replace(&mut self.token, token)) + } + + fn read_token_internal(&mut self) -> ParseResult { + self.lexer.next_token().map_err(ParserError::LexerError) + } + + fn expected_instruction_or_terminator(&mut self) -> ParseResult { + Err(ParserError::ExpectedInstructionOrTerminator { + found: self.token.token().clone(), + span: self.token.to_span(), + }) + } + + fn expected_identifier(&mut self) -> ParseResult { + Err(ParserError::ExpectedIdentifier { + found: self.token.token().clone(), + span: self.token.to_span(), + }) + } + + fn expected_int(&mut self) -> ParseResult { + Err(ParserError::ExpectedInt { + found: self.token.token().clone(), + span: self.token.to_span(), + }) + } + + fn expected_type(&mut self) -> ParseResult { + Err(ParserError::ExpectedType { + found: self.token.token().clone(), + span: self.token.to_span(), + }) + } + + fn expected_value(&mut self) -> ParseResult { + Err(ParserError::ExpectedValue { + found: self.token.token().clone(), + span: self.token.to_span(), + }) + } + + fn expected_token(&mut self, token: Token) -> ParseResult { + Err(ParserError::ExpectedToken { + token, + found: self.token.token().clone(), + span: self.token.to_span(), + }) + } + + fn expected_one_of_tokens(&mut self, tokens: &[Token]) -> ParseResult { + Err(ParserError::ExpectedOneOfTokens { + tokens: tokens.to_vec(), + found: self.token.token().clone(), + span: self.token.to_span(), + }) + } +} + +#[derive(Debug, Error)] +pub(crate) enum ParserError { + #[error("{0}")] + LexerError(LexerError), + #[error("Expected '{token}', found '{found}'")] + ExpectedToken { token: Token, found: Token, span: Span }, + #[error("Expected one of {tokens:?}, found {found}")] + ExpectedOneOfTokens { tokens: Vec, found: Token, span: Span }, + #[error("Expected an identifier, found '{found}'")] + ExpectedIdentifier { found: Token, span: Span }, + #[error("Expected an int, found '{found}'")] + ExpectedInt { found: Token, span: Span }, + #[error("Expected a type, found '{found}'")] + ExpectedType { found: Token, span: Span }, + #[error("Expected an instruction or terminator, found '{found}'")] + ExpectedInstructionOrTerminator { found: Token, span: Span }, + #[error("Expected a value, found '{found}'")] + ExpectedValue { found: Token, span: Span }, + #[error("Multiple return values only allowed for call")] + MultipleReturnValuesOnlyAllowedForCall { second_target: Identifier }, +} + +impl ParserError { + fn span(&self) -> Span { + match self { + ParserError::LexerError(err) => err.span(), + ParserError::ExpectedToken { span, .. } + | ParserError::ExpectedOneOfTokens { span, .. } + | ParserError::ExpectedIdentifier { span, .. } + | ParserError::ExpectedInt { span, .. } + | ParserError::ExpectedType { span, .. } + | ParserError::ExpectedInstructionOrTerminator { span, .. } + | ParserError::ExpectedValue { span, .. } => *span, + ParserError::MultipleReturnValuesOnlyAllowedForCall { second_target, .. } => { + second_target.span + } + } + } +} + +fn eof_spanned_token() -> SpannedToken { + SpannedToken::new(Token::Eof, Default::default()) +} diff --git a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/parser/ast.rs b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/parser/ast.rs new file mode 100644 index 00000000000..f8fe8c68a98 --- /dev/null +++ b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/parser/ast.rs @@ -0,0 +1,139 @@ +use std::fmt::{self, Display, Formatter}; + +use acvm::FieldElement; +use noirc_errors::Span; + +use crate::ssa::ir::{function::RuntimeType, instruction::BinaryOp, types::Type}; + +#[derive(Debug)] +pub(crate) struct ParsedSsa { + pub(crate) functions: Vec, +} + +#[derive(Debug)] +pub(crate) struct ParsedFunction { + pub(crate) runtime_type: RuntimeType, + pub(crate) external_name: String, + pub(crate) internal_name: String, + pub(crate) blocks: Vec, +} + +#[derive(Debug)] +pub(crate) struct ParsedBlock { + pub(crate) name: String, + pub(crate) parameters: Vec, + pub(crate) instructions: Vec, + pub(crate) terminator: ParsedTerminator, +} + +#[derive(Debug)] +pub(crate) struct ParsedParameter { + pub(crate) identifier: Identifier, + pub(crate) typ: Type, +} + +#[derive(Debug, Clone)] +pub(crate) struct Identifier { + pub(crate) name: String, + pub(crate) span: Span, +} + +impl Identifier { + pub(crate) fn new(name: String, span: Span) -> Self { + Self { name, span } + } +} + +impl Display for Identifier { + fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result { + write!(f, "{}", self.name) + } +} + +#[derive(Debug)] +pub(crate) enum ParsedInstruction { + Allocate { + target: Identifier, + typ: Type, + }, + ArrayGet { + target: Identifier, + element_type: Type, + array: ParsedValue, + index: ParsedValue, + }, + ArraySet { + target: Identifier, + array: ParsedValue, + index: ParsedValue, + value: ParsedValue, + mutable: bool, + }, + BinaryOp { + target: Identifier, + lhs: ParsedValue, + op: BinaryOp, + rhs: ParsedValue, + }, + Call { + targets: Vec, + function: Identifier, + arguments: Vec, + types: Vec, + }, + Cast { + target: Identifier, + lhs: ParsedValue, + typ: Type, + }, + Constrain { + lhs: ParsedValue, + rhs: ParsedValue, + }, + DecrementRc { + value: ParsedValue, + }, + EnableSideEffectsIf { + condition: ParsedValue, + }, + IncrementRc { + value: ParsedValue, + }, + Load { + target: Identifier, + value: ParsedValue, + typ: Type, + }, + Not { + target: Identifier, + value: ParsedValue, + }, + RangeCheck { + value: ParsedValue, + max_bit_size: u32, + }, + Store { + value: ParsedValue, + address: ParsedValue, + }, + Truncate { + target: Identifier, + value: ParsedValue, + bit_size: u32, + max_bit_size: u32, + }, +} + +#[derive(Debug)] +pub(crate) enum ParsedTerminator { + Jmp { destination: Identifier, arguments: Vec }, + Jmpif { condition: ParsedValue, then_block: Identifier, else_block: Identifier }, + Return(Vec), +} + +#[derive(Debug)] +pub(crate) enum ParsedValue { + NumericConstant { constant: FieldElement, typ: Type }, + Array { values: Vec, typ: Type }, + Variable(Identifier), +} diff --git a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/parser/into_ssa.rs b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/parser/into_ssa.rs new file mode 100644 index 00000000000..2a94a4fd1eb --- /dev/null +++ b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/parser/into_ssa.rs @@ -0,0 +1,317 @@ +use std::collections::HashMap; + +use im::Vector; + +use crate::ssa::{ + function_builder::FunctionBuilder, + ir::{basic_block::BasicBlockId, function::FunctionId, value::ValueId}, +}; + +use super::{ + Identifier, ParsedBlock, ParsedFunction, ParsedInstruction, ParsedSsa, ParsedTerminator, + ParsedValue, RuntimeType, Ssa, SsaError, +}; + +impl ParsedSsa { + pub(crate) fn into_ssa(self) -> Result { + Translator::translate(self) + } +} + +struct Translator { + builder: FunctionBuilder, + + /// Maps function names to their IDs + functions: HashMap, + + /// Maps block names to their IDs + blocks: HashMap>, + + /// Maps variable names to their IDs + variables: HashMap>, +} + +impl Translator { + fn translate(mut parsed_ssa: ParsedSsa) -> Result { + let mut translator = Self::new(&mut parsed_ssa)?; + + // Note that the `new` call above removed the main function, + // so all we are left with are non-main functions. + for function in parsed_ssa.functions { + translator.translate_non_main_function(function)?; + } + + Ok(translator.finish()) + } + + fn new(parsed_ssa: &mut ParsedSsa) -> Result { + // A FunctionBuilder must be created with a main Function, so here wer remove it + // from the parsed SSA to avoid adding it twice later on. + let main_function = parsed_ssa.functions.remove(0); + let main_id = FunctionId::new(0); + let mut builder = FunctionBuilder::new(main_function.external_name.clone(), main_id); + builder.set_runtime(main_function.runtime_type); + + // Map function names to their IDs so calls can be resolved + let mut function_id_counter = 1; + let mut functions = HashMap::new(); + for function in &parsed_ssa.functions { + let function_id = FunctionId::new(function_id_counter); + function_id_counter += 1; + + functions.insert(function.internal_name.clone(), function_id); + } + + let mut translator = + Self { builder, functions, variables: HashMap::new(), blocks: HashMap::new() }; + translator.translate_function_body(main_function)?; + + Ok(translator) + } + + fn translate_non_main_function(&mut self, function: ParsedFunction) -> Result<(), SsaError> { + let function_id = self.functions[&function.internal_name]; + let external_name = function.external_name.clone(); + + match function.runtime_type { + RuntimeType::Acir(inline_type) => { + self.builder.new_function(external_name, function_id, inline_type); + } + RuntimeType::Brillig(inline_type) => { + self.builder.new_brillig_function(external_name, function_id, inline_type); + } + } + + self.translate_function_body(function) + } + + fn translate_function_body(&mut self, function: ParsedFunction) -> Result<(), SsaError> { + // First define all blocks so that they are known (a block might jump to a block that comes next) + for (index, block) in function.blocks.iter().enumerate() { + // The first block is the entry block and it was automatically created by the builder + let block_id = if index == 0 { + self.builder.current_function.entry_block() + } else { + self.builder.insert_block() + }; + let entry = self.blocks.entry(self.current_function_id()).or_default(); + entry.insert(block.name.clone(), block_id); + } + + for block in function.blocks { + self.translate_block(block)?; + } + + Ok(()) + } + + fn translate_block(&mut self, block: ParsedBlock) -> Result<(), SsaError> { + let block_id = self.blocks[&self.current_function_id()][&block.name]; + self.builder.switch_to_block(block_id); + + for parameter in block.parameters { + let parameter_value_id = self.builder.add_block_parameter(block_id, parameter.typ); + self.define_variable(parameter.identifier, parameter_value_id)?; + } + + for instruction in block.instructions { + self.translate_instruction(instruction)?; + } + + match block.terminator { + ParsedTerminator::Jmp { destination, arguments } => { + let block_id = self.lookup_block(destination)?; + let arguments = self.translate_values(arguments)?; + self.builder.terminate_with_jmp(block_id, arguments); + } + ParsedTerminator::Jmpif { condition, then_block, else_block } => { + let condition = self.translate_value(condition)?; + let then_destination = self.lookup_block(then_block)?; + let else_destination = self.lookup_block(else_block)?; + self.builder.terminate_with_jmpif(condition, then_destination, else_destination); + } + ParsedTerminator::Return(values) => { + let return_values = self.translate_values(values)?; + self.builder.terminate_with_return(return_values); + } + } + + Ok(()) + } + + fn translate_instruction(&mut self, instruction: ParsedInstruction) -> Result<(), SsaError> { + match instruction { + ParsedInstruction::Allocate { target, typ } => { + let value_id = self.builder.insert_allocate(typ); + self.define_variable(target, value_id)?; + } + ParsedInstruction::ArrayGet { target, element_type, array, index } => { + let array = self.translate_value(array)?; + let index = self.translate_value(index)?; + let value_id = self.builder.insert_array_get(array, index, element_type); + self.define_variable(target, value_id)?; + } + ParsedInstruction::ArraySet { target, array, index, value, mutable } => { + let array = self.translate_value(array)?; + let index = self.translate_value(index)?; + let value = self.translate_value(value)?; + let value_id = if mutable { + self.builder.insert_mutable_array_set(array, index, value) + } else { + self.builder.insert_array_set(array, index, value) + }; + self.define_variable(target, value_id)?; + } + ParsedInstruction::BinaryOp { target, lhs, op, rhs } => { + let lhs = self.translate_value(lhs)?; + let rhs = self.translate_value(rhs)?; + let value_id = self.builder.insert_binary(lhs, op, rhs); + self.define_variable(target, value_id)?; + } + ParsedInstruction::Call { targets, function, arguments, types } => { + let function_id = if let Some(id) = self.builder.import_intrinsic(&function.name) { + id + } else { + let function_id = self.lookup_function(function)?; + self.builder.import_function(function_id) + }; + + let arguments = self.translate_values(arguments)?; + + let value_ids = self.builder.insert_call(function_id, arguments, types).to_vec(); + + if value_ids.len() != targets.len() { + return Err(SsaError::MismatchedReturnValues { + returns: targets, + expected: value_ids.len(), + }); + } + + for (target, value_id) in targets.into_iter().zip(value_ids.into_iter()) { + self.define_variable(target, value_id)?; + } + } + ParsedInstruction::Cast { target, lhs, typ } => { + let lhs = self.translate_value(lhs)?; + let value_id = self.builder.insert_cast(lhs, typ); + self.define_variable(target, value_id)?; + } + ParsedInstruction::Constrain { lhs, rhs } => { + let lhs = self.translate_value(lhs)?; + let rhs = self.translate_value(rhs)?; + self.builder.insert_constrain(lhs, rhs, None); + } + ParsedInstruction::DecrementRc { value } => { + let value = self.translate_value(value)?; + self.builder.decrement_array_reference_count(value); + } + ParsedInstruction::EnableSideEffectsIf { condition } => { + let condition = self.translate_value(condition)?; + self.builder.insert_enable_side_effects_if(condition); + } + ParsedInstruction::IncrementRc { value } => { + let value = self.translate_value(value)?; + self.builder.increment_array_reference_count(value); + } + ParsedInstruction::Load { target, value, typ } => { + let value = self.translate_value(value)?; + let value_id = self.builder.insert_load(value, typ); + self.define_variable(target, value_id)?; + } + ParsedInstruction::Not { target, value } => { + let value = self.translate_value(value)?; + let value_id = self.builder.insert_not(value); + self.define_variable(target, value_id)?; + } + ParsedInstruction::RangeCheck { value, max_bit_size } => { + let value = self.translate_value(value)?; + self.builder.insert_range_check(value, max_bit_size, None); + } + ParsedInstruction::Store { value, address } => { + let value = self.translate_value(value)?; + let address = self.translate_value(address)?; + self.builder.insert_store(address, value); + } + ParsedInstruction::Truncate { target, value, bit_size, max_bit_size } => { + let value = self.translate_value(value)?; + let value_id = self.builder.insert_truncate(value, bit_size, max_bit_size); + self.define_variable(target, value_id)?; + } + } + + Ok(()) + } + + fn translate_values(&mut self, values: Vec) -> Result, SsaError> { + let mut translated_values = Vec::with_capacity(values.len()); + for value in values { + translated_values.push(self.translate_value(value)?); + } + Ok(translated_values) + } + + fn translate_value(&mut self, value: ParsedValue) -> Result { + match value { + ParsedValue::NumericConstant { constant, typ } => { + Ok(self.builder.numeric_constant(constant, typ)) + } + ParsedValue::Array { values, typ } => { + let mut translated_values = Vector::new(); + for value in values { + translated_values.push_back(self.translate_value(value)?); + } + Ok(self.builder.array_constant(translated_values, typ)) + } + ParsedValue::Variable(identifier) => self.lookup_variable(identifier), + } + } + + fn define_variable( + &mut self, + identifier: Identifier, + value_id: ValueId, + ) -> Result<(), SsaError> { + if let Some(vars) = self.variables.get(&self.current_function_id()) { + if vars.contains_key(&identifier.name) { + return Err(SsaError::VariableAlreadyDefined(identifier)); + } + } + + let entry = self.variables.entry(self.current_function_id()).or_default(); + entry.insert(identifier.name, value_id); + + Ok(()) + } + + fn lookup_variable(&mut self, identifier: Identifier) -> Result { + if let Some(value_id) = self.variables[&self.current_function_id()].get(&identifier.name) { + Ok(*value_id) + } else { + Err(SsaError::UnknownVariable(identifier)) + } + } + + fn lookup_block(&mut self, identifier: Identifier) -> Result { + if let Some(block_id) = self.blocks[&self.current_function_id()].get(&identifier.name) { + Ok(*block_id) + } else { + Err(SsaError::UnknownBlock(identifier)) + } + } + + fn lookup_function(&mut self, identifier: Identifier) -> Result { + if let Some(function_id) = self.functions.get(&identifier.name) { + Ok(*function_id) + } else { + Err(SsaError::UnknownFunction(identifier)) + } + } + + fn finish(self) -> Ssa { + self.builder.finish() + } + + fn current_function_id(&self) -> FunctionId { + self.builder.current_function.id() + } +} diff --git a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/parser/lexer.rs b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/parser/lexer.rs new file mode 100644 index 00000000000..ac4c3b77205 --- /dev/null +++ b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/parser/lexer.rs @@ -0,0 +1,259 @@ +use std::str::{CharIndices, FromStr}; + +use acvm::{AcirField, FieldElement}; +use noirc_errors::{Position, Span}; +use noirc_frontend::token::IntType; +use num_bigint::BigInt; +use num_traits::{Num, One}; +use thiserror::Error; + +use super::token::{Keyword, SpannedToken, Token}; + +pub(crate) struct Lexer<'a> { + chars: CharIndices<'a>, + position: Position, + done: bool, + max_integer: BigInt, +} + +impl<'a> Lexer<'a> { + pub(crate) fn new(source: &'a str) -> Self { + Lexer { + chars: source.char_indices(), + position: 0, + done: false, + max_integer: BigInt::from_biguint(num_bigint::Sign::Plus, FieldElement::modulus()) + - BigInt::one(), + } + } + + pub(crate) fn next_token(&mut self) -> SpannedTokenResult { + match self.next_char() { + Some(char) if char.is_ascii_whitespace() => { + while let Some(char) = self.peek_char() { + if char.is_ascii_whitespace() { + self.next_char(); + } else { + break; + } + } + self.next_token() + } + Some('/') if self.peek_char() == Some('/') => { + while let Some(char) = self.next_char() { + if char == '\n' { + break; + } + } + self.next_token() + } + Some('=') if self.peek_char() == Some('=') => self.double_char_token(Token::Equal), + Some('=') => self.single_char_token(Token::Assign), + Some(',') => self.single_char_token(Token::Comma), + Some(':') => self.single_char_token(Token::Colon), + Some(';') => self.single_char_token(Token::Semicolon), + Some('(') => self.single_char_token(Token::LeftParen), + Some(')') => self.single_char_token(Token::RightParen), + Some('{') => self.single_char_token(Token::LeftBrace), + Some('}') => self.single_char_token(Token::RightBrace), + Some('[') => self.single_char_token(Token::LeftBracket), + Some(']') => self.single_char_token(Token::RightBracket), + Some('&') => self.single_char_token(Token::Ampersand), + Some('-') if self.peek_char() == Some('>') => self.double_char_token(Token::Arrow), + Some(ch) if ch.is_ascii_alphanumeric() || ch == '_' => self.eat_alpha_numeric(ch), + Some(char) => Err(LexerError::UnexpectedCharacter { + char, + span: Span::single_char(self.position), + }), + None => { + self.done = true; + Ok(Token::Eof.into_single_span(self.position)) + } + } + } + + fn eat_alpha_numeric(&mut self, initial_char: char) -> SpannedTokenResult { + match initial_char { + 'A'..='Z' | 'a'..='z' | '_' => Ok(self.eat_word(initial_char)?), + '0'..='9' => self.eat_digit(initial_char), + _ => Err(LexerError::UnexpectedCharacter { + char: initial_char, + span: Span::single_char(self.position), + }), + } + } + + fn eat_word(&mut self, initial_char: char) -> SpannedTokenResult { + let (start, word, end) = self.lex_word(initial_char); + self.lookup_word_token(word, start, end) + } + + fn lex_word(&mut self, initial_char: char) -> (Position, String, Position) { + let start = self.position; + let word = self.eat_while(Some(initial_char), |ch| { + ch.is_ascii_alphabetic() || ch.is_numeric() || ch == '_' + }); + (start, word, self.position) + } + + fn lookup_word_token( + &self, + word: String, + start: Position, + end: Position, + ) -> SpannedTokenResult { + // Check if word either an identifier or a keyword + if let Some(keyword_token) = Keyword::lookup_keyword(&word) { + return Ok(keyword_token.into_span(start, end)); + } + + // Check if word an int type + // if no error occurred, then it is either a valid integer type or it is not an int type + let parsed_token = IntType::lookup_int_type(&word); + + // Check if it is an int type + if let Some(int_type) = parsed_token { + return Ok(Token::IntType(int_type).into_span(start, end)); + } + + // Else it is just an identifier + let ident_token = Token::Ident(word); + Ok(ident_token.into_span(start, end)) + } + + fn eat_digit(&mut self, initial_char: char) -> SpannedTokenResult { + let start = self.position; + + let integer_str = self.eat_while(Some(initial_char), |ch| { + ch.is_ascii_digit() | ch.is_ascii_hexdigit() | (ch == 'x') | (ch == '_') + }); + + let end = self.position; + + // We want to enforce some simple rules about usage of underscores: + // 1. Underscores cannot appear at the end of a integer literal. e.g. 0x123_. + // 2. There cannot be more than one underscore consecutively, e.g. 0x5__5, 5__5. + // + // We're not concerned with an underscore at the beginning of a decimal literal + // such as `_5` as this would be lexed into an ident rather than an integer literal. + let invalid_underscore_location = integer_str.ends_with('_'); + let consecutive_underscores = integer_str.contains("__"); + if invalid_underscore_location || consecutive_underscores { + return Err(LexerError::InvalidIntegerLiteral { + span: Span::inclusive(start, end), + found: integer_str, + }); + } + + // Underscores needs to be stripped out before the literal can be converted to a `FieldElement. + let integer_str = integer_str.replace('_', ""); + + let bigint_result = match integer_str.strip_prefix("0x") { + Some(integer_str) => BigInt::from_str_radix(integer_str, 16), + None => BigInt::from_str(&integer_str), + }; + + let integer = match bigint_result { + Ok(bigint) => { + if bigint > self.max_integer { + return Err(LexerError::IntegerLiteralTooLarge { + span: Span::inclusive(start, end), + limit: self.max_integer.to_string(), + }); + } + let big_uint = bigint.magnitude(); + FieldElement::from_be_bytes_reduce(&big_uint.to_bytes_be()) + } + Err(_) => { + return Err(LexerError::InvalidIntegerLiteral { + span: Span::inclusive(start, end), + found: integer_str, + }) + } + }; + + let integer_token = Token::Int(integer); + Ok(integer_token.into_span(start, end)) + } + + fn eat_while bool>( + &mut self, + initial_char: Option, + predicate: F, + ) -> String { + // This function is only called when we want to continue consuming a character of the same type. + // For example, we see a digit and we want to consume the whole integer + // Therefore, the current character which triggered this function will need to be appended + let mut word = String::new(); + if let Some(init_char) = initial_char { + word.push(init_char); + } + + // Keep checking that we are not at the EOF + while let Some(peek_char) = self.peek_char() { + // Then check for the predicate, if predicate matches append char and increment the cursor + // If not, return word. The next character will be analyzed on the next iteration of next_token, + // Which will increment the cursor + if !predicate(peek_char) { + return word; + } + word.push(peek_char); + + // If we arrive at this point, then the char has been added to the word and we should increment the cursor + self.next_char(); + } + + word + } + + fn single_char_token(&self, token: Token) -> SpannedTokenResult { + Ok(token.into_single_span(self.position)) + } + + fn double_char_token(&mut self, token: Token) -> SpannedTokenResult { + let start_position = self.position; + self.next_char(); + Ok(token.into_span(start_position, self.position)) + } + + fn next_char(&mut self) -> Option { + let (position, ch) = self.chars.next()?; + self.position = position as u32; + Some(ch) + } + + fn peek_char(&self) -> Option { + self.chars.clone().next().map(|(_, ch)| ch) + } + + fn is_code_whitespace(c: char) -> bool { + c.is_ascii_whitespace() + } + + pub(crate) fn newline_follows(&self) -> bool { + let chars = self.chars.clone(); + chars.take_while(|(_, char)| char.is_ascii_whitespace()).any(|(_, char)| char == '\n') + } +} + +type SpannedTokenResult = Result; + +#[derive(Debug, Error)] +pub(crate) enum LexerError { + #[error("Unexpected character: {char:?}")] + UnexpectedCharacter { char: char, span: Span }, + #[error("Invalid integer literal")] + InvalidIntegerLiteral { span: Span, found: String }, + #[error("Integer literal too large")] + IntegerLiteralTooLarge { span: Span, limit: String }, +} + +impl LexerError { + pub(crate) fn span(&self) -> Span { + match self { + LexerError::UnexpectedCharacter { span, .. } + | LexerError::InvalidIntegerLiteral { span, .. } + | LexerError::IntegerLiteralTooLarge { span, .. } => *span, + } + } +} diff --git a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/parser/tests.rs b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/parser/tests.rs new file mode 100644 index 00000000000..3ed6be57b5e --- /dev/null +++ b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/parser/tests.rs @@ -0,0 +1,427 @@ +#![cfg(test)] + +use crate::{ + ssa::{opt::assert_normalized_ssa_equals, Ssa}, + trim_leading_whitespace_from_lines, +}; + +fn assert_ssa_roundtrip(src: &str) { + let ssa = Ssa::from_str(src).unwrap(); + let ssa = ssa.to_string(); + let ssa = trim_leading_whitespace_from_lines(&ssa); + let src = trim_leading_whitespace_from_lines(src); + if ssa != src { + println!("Expected:\n~~~\n{}\n~~~\nGot:\n~~~\n{}\n~~~", src, ssa); + similar_asserts::assert_eq!(ssa, src); + } +} + +#[test] +fn test_empty_acir_function() { + let src = " + acir(inline) fn main f0 { + b0(): + return + } + "; + assert_ssa_roundtrip(src); +} + +#[test] +fn test_empty_brillig_function() { + let src = " + brillig(inline) fn main f0 { + b0(): + return + } + "; + assert_ssa_roundtrip(src); +} + +#[test] +fn test_return_integer() { + for typ in ["u1", "u8", "u16", "u32", "u64", "i1", "i8", "i16", "i32", "i64", "Field"] { + let src = format!( + " + acir(inline) fn main f0 {{ + b0(): + return {typ} 1 + }} + " + ); + assert_ssa_roundtrip(&src); + } +} + +#[test] +fn test_return_array() { + let src = " + acir(inline) fn main f0 { + b0(): + return [Field 1] of Field + } + "; + assert_ssa_roundtrip(src); +} + +#[test] +fn test_return_empty_array() { + let src = " + acir(inline) fn main f0 { + b0(): + return [] of Field + } + "; + assert_ssa_roundtrip(src); +} + +#[test] +fn test_return_composite_array() { + let src = " + acir(inline) fn main f0 { + b0(): + return [Field 1, Field 2] of (Field, Field) + } + "; + assert_ssa_roundtrip(src); +} + +#[test] +fn test_block_parameters() { + let src = " + acir(inline) fn main f0 { + b0(v0: Field, v1: Field): + return v0, v1 + } + "; + assert_ssa_roundtrip(src); +} + +#[test] +fn test_multiple_blocks_and_jmp() { + let src = " + acir(inline) fn main f0 { + b0(): + jmp b1(Field 1) + b1(v1: Field): + return v1 + } + "; + assert_ssa_roundtrip(src); +} + +#[test] +fn test_jmpif() { + let src = " + acir(inline) fn main f0 { + b0(v0: Field): + jmpif v0 then: b1, else: b2 + b1(): + return + b2(): + return + } + "; + assert_ssa_roundtrip(src); +} + +#[test] +fn test_call() { + let src = " + acir(inline) fn main f0 { + b0(v0: Field): + v2 = call f1(v0) -> Field + return v2 + } + acir(inline) fn foo f1 { + b0(v0: Field): + return v0 + } + "; + assert_ssa_roundtrip(src); +} + +#[test] +fn test_call_multiple_return_values() { + let src = " + acir(inline) fn main f0 { + b0(): + v1, v2 = call f1() -> ([Field; 3], [Field; 1]) + return v1 + } + acir(inline) fn foo f1 { + b0(): + return [Field 1, Field 2, Field 3] of Field, [Field 4] of Field + } + "; + assert_ssa_roundtrip(src); +} + +#[test] +fn test_call_no_return_value() { + let src = " + acir(inline) fn main f0 { + b0(v0: Field): + call f1(v0) + return + } + acir(inline) fn foo f1 { + b0(v0: Field): + return + } + "; + assert_ssa_roundtrip(src); +} + +#[test] +fn test_call_intrinsic() { + let src = " + acir(inline) fn main f0 { + b0(v0: Field): + call assert_constant(v0) + return + } + "; + assert_ssa_roundtrip(src); +} + +#[test] +fn test_cast() { + let src = " + acir(inline) fn main f0 { + b0(v0: Field): + v1 = cast v0 as i32 + return v1 + } + "; + assert_ssa_roundtrip(src); +} + +#[test] +fn test_constrain() { + let src = " + acir(inline) fn main f0 { + b0(v0: Field): + constrain v0 == Field 1 + return + } + "; + assert_ssa_roundtrip(src); +} + +#[test] +fn test_enable_side_effects() { + let src = " + acir(inline) fn main f0 { + b0(v0: Field): + enable_side_effects v0 + return + } + "; + assert_ssa_roundtrip(src); +} + +#[test] +fn test_array_get() { + let src = " + acir(inline) fn main f0 { + b0(v0: [Field; 3]): + v2 = array_get v0, index Field 0 -> Field + return + } + "; + assert_ssa_roundtrip(src); +} + +#[test] +fn test_array_set() { + let src = " + acir(inline) fn main f0 { + b0(v0: [Field; 3]): + v3 = array_set v0, index Field 0, value Field 1 + return + } + "; + assert_ssa_roundtrip(src); +} + +#[test] +fn test_mutable_array_set() { + let src = " + acir(inline) fn main f0 { + b0(v0: [Field; 3]): + v3 = array_set mut v0, index Field 0, value Field 1 + return + } + "; + assert_ssa_roundtrip(src); +} + +#[test] +fn test_array_get_set_bug() { + let src = " + acir(inline) fn main f0 { + b0(v0: [u32; 3]): + v3 = array_set v0, index u32 1, value u32 2 + v5 = array_get v3, index u32 0 -> u32 + return + } + "; + assert_ssa_roundtrip(src); +} + +#[test] +fn test_binary() { + for op in ["add", "sub", "mul", "div", "eq", "mod", "lt", "and", "or", "xor", "shl", "shr"] { + let src = format!( + " + acir(inline) fn main f0 {{ + b0(v0: Field, v1: Field): + v2 = {op} v0, v1 + return + }} + " + ); + assert_ssa_roundtrip(&src); + } +} + +#[test] +fn test_truncate() { + let src = " + acir(inline) fn main f0 { + b0(v0: Field): + v1 = truncate v0 to 8 bits, max_bit_size: 16 + return + } + "; + assert_ssa_roundtrip(src); +} + +#[test] +fn test_not() { + let src = " + acir(inline) fn main f0 { + b0(v0: Field): + v1 = not v0 + return + } + "; + assert_ssa_roundtrip(src); +} + +#[test] +fn test_range_check() { + let src = " + acir(inline) fn main f0 { + b0(v0: Field): + range_check v0 to 8 bits + return + } + "; + assert_ssa_roundtrip(src); +} + +#[test] +fn test_allocate() { + let src = " + acir(inline) fn main f0 { + b0(): + v0 = allocate -> &mut [Field; 3] + return + } + "; + assert_ssa_roundtrip(src); +} + +#[test] +fn test_load() { + let src = " + acir(inline) fn main f0 { + b0(v0: Field): + v1 = load v0 -> Field + return + } + "; + assert_ssa_roundtrip(src); +} + +#[test] +fn test_store() { + let src = " + acir(inline) fn main f0 { + b0(v0: Field): + store Field 1 at v0 + return + } + "; + assert_ssa_roundtrip(src); +} + +#[test] +fn test_inc_rc() { + let src = " + acir(inline) fn main f0 { + b0(v0: [Field; 3]): + inc_rc v0 + return + } + "; + assert_ssa_roundtrip(src); +} + +#[test] +fn test_dec_rc() { + let src = " + acir(inline) fn main f0 { + b0(v0: [Field; 3]): + dec_rc v0 + return + } + "; + assert_ssa_roundtrip(src); +} + +#[test] +fn test_mutable_reference_type() { + let src = " + acir(inline) fn main f0 { + b0(v0: &mut Field): + return + } + "; + assert_ssa_roundtrip(src); +} + +#[test] +fn test_parses_with_comments() { + let src = " + // This is a comment + acir(inline) fn main f0 { + b0(v0: &mut Field): // This is a block + return // Returns nothing + } + "; + + let expected = " + acir(inline) fn main f0 { + b0(v0: &mut Field): + return + } + "; + + let ssa = Ssa::from_str(src).unwrap(); + assert_normalized_ssa_equals(ssa, expected); +} + +#[test] +fn test_slice() { + let src = " + acir(inline) fn main f0 { + b0(v0: [Field; 3]): + v2, v3 = call as_slice(v0) -> (u32, [Field]) + return + } + "; + assert_ssa_roundtrip(src); +} diff --git a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/parser/token.rs b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/parser/token.rs new file mode 100644 index 00000000000..41c4f9ca164 --- /dev/null +++ b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/parser/token.rs @@ -0,0 +1,269 @@ +use std::fmt::Display; + +use acvm::FieldElement; +use noirc_errors::{Position, Span, Spanned}; +use noirc_frontend::token::IntType; + +#[derive(Debug)] +pub(crate) struct SpannedToken(Spanned); + +impl SpannedToken { + pub(crate) fn new(token: Token, span: Span) -> SpannedToken { + SpannedToken(Spanned::from(span, token)) + } + + pub(crate) fn to_span(&self) -> Span { + self.0.span() + } + + pub(crate) fn token(&self) -> &Token { + &self.0.contents + } + + pub(crate) fn into_token(self) -> Token { + self.0.contents + } +} + +#[derive(Clone, PartialEq, Eq, Hash, PartialOrd, Ord)] +pub(crate) enum Token { + Ident(String), + Int(FieldElement), + Keyword(Keyword), + IntType(IntType), + /// = + Assign, + /// ( + LeftParen, + /// ) + RightParen, + /// { + LeftBrace, + /// } + RightBrace, + /// [ + LeftBracket, + /// ] + RightBracket, + /// , + Comma, + /// : + Colon, + /// ; + Semicolon, + /// -> + Arrow, + /// == + Equal, + /// & + Ampersand, + Eof, +} + +impl Token { + pub(super) fn into_single_span(self, position: Position) -> SpannedToken { + self.into_span(position, position) + } + + pub(super) fn into_span(self, start: Position, end: Position) -> SpannedToken { + SpannedToken(Spanned::from_position(start, end, self)) + } +} + +impl Display for Token { + fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { + match self { + Token::Ident(ident) => write!(f, "{}", ident), + Token::Int(int) => write!(f, "{}", int), + Token::Keyword(keyword) => write!(f, "{}", keyword), + Token::IntType(int_type) => write!(f, "{}", int_type), + Token::Assign => write!(f, "="), + Token::LeftParen => write!(f, "("), + Token::RightParen => write!(f, ")"), + Token::LeftBrace => write!(f, "{{"), + Token::RightBrace => write!(f, "}}"), + Token::LeftBracket => write!(f, "["), + Token::RightBracket => write!(f, "]"), + Token::Comma => write!(f, ","), + Token::Colon => write!(f, ":"), + Token::Semicolon => write!(f, ";"), + Token::Arrow => write!(f, "->"), + Token::Equal => write!(f, "=="), + Token::Ampersand => write!(f, "&"), + Token::Eof => write!(f, "(end of stream)"), + } + } +} + +impl std::fmt::Debug for Token { + fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { + write!(f, "{}", self) + } +} + +#[derive(Clone, PartialEq, Eq, Hash, PartialOrd, Ord)] +pub(crate) enum Keyword { + Acir, + Add, + Allocate, + And, + ArrayGet, + ArraySet, + As, + At, + Bits, + Bool, + Brillig, + Call, + Cast, + Constrain, + DecRc, + Div, + Inline, + InlineAlways, + Else, + EnableSideEffects, + Eq, + Field, + Fold, + Fn, + IncRc, + Index, + Jmp, + Jmpif, + Load, + Lt, + MaxBitSize, + Mod, + Mul, + Mut, + NoPredicates, + Not, + Of, + Or, + RangeCheck, + Return, + Shl, + Shr, + Store, + Sub, + Then, + To, + Truncate, + Value, + Xor, +} + +impl Keyword { + pub(crate) fn lookup_keyword(word: &str) -> Option { + let keyword = match word { + "acir" => Keyword::Acir, + "add" => Keyword::Add, + "allocate" => Keyword::Allocate, + "and" => Keyword::And, + "array_get" => Keyword::ArrayGet, + "array_set" => Keyword::ArraySet, + "as" => Keyword::As, + "at" => Keyword::At, + "bits" => Keyword::Bits, + "bool" => Keyword::Bool, + "brillig" => Keyword::Brillig, + "call" => Keyword::Call, + "cast" => Keyword::Cast, + "constrain" => Keyword::Constrain, + "dec_rc" => Keyword::DecRc, + "div" => Keyword::Div, + "else" => Keyword::Else, + "enable_side_effects" => Keyword::EnableSideEffects, + "eq" => Keyword::Eq, + "inline" => Keyword::Inline, + "inline_always" => Keyword::InlineAlways, + "Field" => Keyword::Field, + "fold" => Keyword::Fold, + "fn" => Keyword::Fn, + "inc_rc" => Keyword::IncRc, + "index" => Keyword::Index, + "jmp" => Keyword::Jmp, + "jmpif" => Keyword::Jmpif, + "load" => Keyword::Load, + "lt" => Keyword::Lt, + "max_bit_size" => Keyword::MaxBitSize, + "mod" => Keyword::Mod, + "mul" => Keyword::Mul, + "mut" => Keyword::Mut, + "no_predicates" => Keyword::NoPredicates, + "not" => Keyword::Not, + "of" => Keyword::Of, + "or" => Keyword::Or, + "range_check" => Keyword::RangeCheck, + "return" => Keyword::Return, + "shl" => Keyword::Shl, + "shr" => Keyword::Shr, + "store" => Keyword::Store, + "sub" => Keyword::Sub, + "then" => Keyword::Then, + "to" => Keyword::To, + "truncate" => Keyword::Truncate, + "value" => Keyword::Value, + "xor" => Keyword::Xor, + _ => return None, + }; + Some(Token::Keyword(keyword)) + } +} + +impl Display for Keyword { + fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { + match self { + Keyword::Acir => write!(f, "acir"), + Keyword::Add => write!(f, "add"), + Keyword::Allocate => write!(f, "allocate"), + Keyword::And => write!(f, "and"), + Keyword::ArrayGet => write!(f, "array_get"), + Keyword::ArraySet => write!(f, "array_set"), + Keyword::As => write!(f, "as"), + Keyword::At => write!(f, "at"), + Keyword::Bits => write!(f, "bits"), + Keyword::Bool => write!(f, "bool"), + Keyword::Brillig => write!(f, "brillig"), + Keyword::Call => write!(f, "call"), + Keyword::Cast => write!(f, "cast"), + Keyword::Constrain => write!(f, "constrain"), + Keyword::DecRc => write!(f, "dec_rc"), + Keyword::Div => write!(f, "div"), + Keyword::Else => write!(f, "else"), + Keyword::EnableSideEffects => write!(f, "enable_side_effects"), + Keyword::Eq => write!(f, "eq"), + Keyword::Field => write!(f, "Field"), + Keyword::Fold => write!(f, "fold"), + Keyword::Fn => write!(f, "fn"), + Keyword::IncRc => write!(f, "inc_rc"), + Keyword::Index => write!(f, "index"), + Keyword::Inline => write!(f, "inline"), + Keyword::InlineAlways => write!(f, "inline_always"), + Keyword::Jmp => write!(f, "jmp"), + Keyword::Jmpif => write!(f, "jmpif"), + Keyword::Load => write!(f, "load"), + Keyword::Lt => write!(f, "lt"), + Keyword::MaxBitSize => write!(f, "max_bit_size"), + Keyword::Mod => write!(f, "mod"), + Keyword::Mul => write!(f, "mul"), + Keyword::Mut => write!(f, "mut"), + Keyword::NoPredicates => write!(f, "no_predicates"), + Keyword::Not => write!(f, "not"), + Keyword::Of => write!(f, "of"), + Keyword::Or => write!(f, "or"), + Keyword::RangeCheck => write!(f, "range_check"), + Keyword::Return => write!(f, "return"), + Keyword::Shl => write!(f, "shl"), + Keyword::Shr => write!(f, "shr"), + Keyword::Store => write!(f, "store"), + Keyword::Sub => write!(f, "sub"), + Keyword::Then => write!(f, "then"), + Keyword::To => write!(f, "to"), + Keyword::Truncate => write!(f, "truncate"), + Keyword::Value => write!(f, "value"), + Keyword::Xor => write!(f, "xor"), + } + } +} diff --git a/noir/noir-repo/compiler/noirc_frontend/Cargo.toml b/noir/noir-repo/compiler/noirc_frontend/Cargo.toml index d729dabcb04..581d7f1b61d 100644 --- a/noir/noir-repo/compiler/noirc_frontend/Cargo.toml +++ b/noir/noir-repo/compiler/noirc_frontend/Cargo.toml @@ -36,6 +36,8 @@ strum_macros = "0.24" [dev-dependencies] base64.workspace = true +proptest.workspace = true +proptest-derive = "0.5.0" [features] experimental_parser = [] diff --git a/noir/noir-repo/compiler/noirc_frontend/proptest-regressions/hir_def/types/arithmetic.txt b/noir/noir-repo/compiler/noirc_frontend/proptest-regressions/hir_def/types/arithmetic.txt new file mode 100644 index 00000000000..80f5c7f1ead --- /dev/null +++ b/noir/noir-repo/compiler/noirc_frontend/proptest-regressions/hir_def/types/arithmetic.txt @@ -0,0 +1,7 @@ +# Seeds for failure cases proptest has generated in the past. It is +# automatically read and these particular cases re-run before any +# novel cases are generated. +# +# It is recommended to check this file in to source control so that +# everyone who runs the test benefits from these saved cases. +cc fc27f4091dfa5f938973048209b5fcf22aefa1cfaffaaa3e349f30e9b1f93f49 # shrinks to infix_and_bindings = (((0: numeric bool) % (Numeric(Shared(RefCell { value: Unbound('2, Numeric(bool)) }): bool) + Numeric(Shared(RefCell { value: Unbound('0, Numeric(bool)) }): bool))), [('0, (0: numeric bool)), ('1, (0: numeric bool)), ('2, (0: numeric bool))]) diff --git a/noir/noir-repo/compiler/noirc_frontend/src/ast/expression.rs b/noir/noir-repo/compiler/noirc_frontend/src/ast/expression.rs index 64edae8322f..2c8a9b6508d 100644 --- a/noir/noir-repo/compiler/noirc_frontend/src/ast/expression.rs +++ b/noir/noir-repo/compiler/noirc_frontend/src/ast/expression.rs @@ -98,7 +98,7 @@ impl UnresolvedGeneric { UnresolvedGeneric::Variable(_) => Ok(Kind::Normal), UnresolvedGeneric::Numeric { typ, .. } => { let typ = self.resolve_numeric_kind_type(typ)?; - Ok(Kind::Numeric(Box::new(typ))) + Ok(Kind::numeric(typ)) } UnresolvedGeneric::Resolved(..) => { panic!("Don't know the kind of a resolved generic here") @@ -504,7 +504,7 @@ impl FunctionDefinition { } pub fn is_test(&self) -> bool { - if let Some(attribute) = &self.attributes.function { + if let Some(attribute) = self.attributes.function() { matches!(attribute, FunctionAttribute::Test(..)) } else { false @@ -802,8 +802,8 @@ impl Display for AsTraitPath { impl Display for TypePath { fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { write!(f, "{}::{}", self.typ, self.item)?; - if !self.turbofish.is_empty() { - write!(f, "::{}", self.turbofish)?; + if let Some(turbofish) = &self.turbofish { + write!(f, "::{}", turbofish)?; } Ok(()) } diff --git a/noir/noir-repo/compiler/noirc_frontend/src/ast/function.rs b/noir/noir-repo/compiler/noirc_frontend/src/ast/function.rs index 70d2b3dbb39..52ca5630d01 100644 --- a/noir/noir-repo/compiler/noirc_frontend/src/ast/function.rs +++ b/noir/noir-repo/compiler/noirc_frontend/src/ast/function.rs @@ -78,7 +78,7 @@ impl NoirFunction { &self.def.attributes } pub fn function_attribute(&self) -> Option<&FunctionAttribute> { - self.def.attributes.function.as_ref() + self.def.attributes.function() } pub fn secondary_attributes(&self) -> &[SecondaryAttribute] { self.def.attributes.secondary.as_ref() @@ -109,7 +109,7 @@ impl NoirFunction { impl From for NoirFunction { fn from(fd: FunctionDefinition) -> Self { // The function type is determined by the existence of a function attribute - let kind = match fd.attributes.function { + let kind = match fd.attributes.function() { Some(FunctionAttribute::Builtin(_)) => FunctionKind::Builtin, Some(FunctionAttribute::Foreign(_)) => FunctionKind::LowLevel, Some(FunctionAttribute::Test { .. }) => FunctionKind::Normal, diff --git a/noir/noir-repo/compiler/noirc_frontend/src/ast/mod.rs b/noir/noir-repo/compiler/noirc_frontend/src/ast/mod.rs index e85563691ba..3c6664dd569 100644 --- a/noir/noir-repo/compiler/noirc_frontend/src/ast/mod.rs +++ b/noir/noir-repo/compiler/noirc_frontend/src/ast/mod.rs @@ -19,6 +19,9 @@ pub use visitor::Visitor; pub use expression::*; pub use function::*; +#[cfg(test)] +use proptest_derive::Arbitrary; + use acvm::FieldElement; pub use docs::*; use noirc_errors::Span; @@ -37,6 +40,7 @@ use crate::{ use acvm::acir::AcirField; use iter_extended::vecmap; +#[cfg_attr(test, derive(Arbitrary))] #[derive(Debug, PartialEq, Eq, Clone, Copy, Hash, Ord, PartialOrd)] pub enum IntegerBitSize { One, diff --git a/noir/noir-repo/compiler/noirc_frontend/src/ast/statement.rs b/noir/noir-repo/compiler/noirc_frontend/src/ast/statement.rs index a25b87b7395..7244be371af 100644 --- a/noir/noir-repo/compiler/noirc_frontend/src/ast/statement.rs +++ b/noir/noir-repo/compiler/noirc_frontend/src/ast/statement.rs @@ -408,7 +408,7 @@ pub struct AsTraitPath { pub struct TypePath { pub typ: UnresolvedType, pub item: Ident, - pub turbofish: GenericTypeArgs, + pub turbofish: Option, } // Note: Path deliberately doesn't implement Recoverable. @@ -445,11 +445,6 @@ impl Path { self.span } - pub fn first_segment(&self) -> PathSegment { - assert!(!self.segments.is_empty()); - self.segments.first().unwrap().clone() - } - pub fn last_segment(&self) -> PathSegment { assert!(!self.segments.is_empty()); self.segments.last().unwrap().clone() @@ -459,9 +454,8 @@ impl Path { self.last_segment().ident } - pub fn first_name(&self) -> &str { - assert!(!self.segments.is_empty()); - &self.segments.first().unwrap().ident.0.contents + pub fn first_name(&self) -> Option<&str> { + self.segments.first().map(|segment| segment.ident.0.contents.as_str()) } pub fn last_name(&self) -> &str { diff --git a/noir/noir-repo/compiler/noirc_frontend/src/ast/visitor.rs b/noir/noir-repo/compiler/noirc_frontend/src/ast/visitor.rs index 16ee0fc4c02..f149c998eca 100644 --- a/noir/noir-repo/compiler/noirc_frontend/src/ast/visitor.rs +++ b/noir/noir-repo/compiler/noirc_frontend/src/ast/visitor.rs @@ -16,7 +16,7 @@ use crate::{ InternedUnresolvedTypeData, QuotedTypeId, }, parser::{Item, ItemKind, ParsedSubModule}, - token::{CustomAttribute, SecondaryAttribute, Tokens}, + token::{MetaAttribute, SecondaryAttribute, Tokens}, ParsedModule, QuotedType, }; @@ -474,7 +474,9 @@ pub trait Visitor { true } - fn visit_custom_attribute(&mut self, _: &CustomAttribute, _target: AttributeTarget) {} + fn visit_meta_attribute(&mut self, _: &MetaAttribute, _target: AttributeTarget) -> bool { + true + } } impl ParsedModule { @@ -1245,7 +1247,9 @@ impl TypePath { pub fn accept_children(&self, visitor: &mut impl Visitor) { self.typ.accept(visitor); - self.turbofish.accept(visitor); + if let Some(turbofish) = &self.turbofish { + turbofish.accept(visitor); + } } } @@ -1439,15 +1443,22 @@ impl SecondaryAttribute { } pub fn accept_children(&self, target: AttributeTarget, visitor: &mut impl Visitor) { - if let SecondaryAttribute::Meta(custom) = self { - custom.accept(target, visitor); + if let SecondaryAttribute::Meta(meta_attribute) = self { + meta_attribute.accept(target, visitor); } } } -impl CustomAttribute { +impl MetaAttribute { pub fn accept(&self, target: AttributeTarget, visitor: &mut impl Visitor) { - visitor.visit_custom_attribute(self, target); + if visitor.visit_meta_attribute(self, target) { + self.accept_children(visitor); + } + } + + pub fn accept_children(&self, visitor: &mut impl Visitor) { + self.name.accept(visitor); + visit_expressions(&self.arguments, visitor); } } diff --git a/noir/noir-repo/compiler/noirc_frontend/src/elaborator/comptime.rs b/noir/noir-repo/compiler/noirc_frontend/src/elaborator/comptime.rs index 65cb6072c62..279adc331ea 100644 --- a/noir/noir-repo/compiler/noirc_frontend/src/elaborator/comptime.rs +++ b/noir/noir-repo/compiler/noirc_frontend/src/elaborator/comptime.rs @@ -19,10 +19,9 @@ use crate::{ resolution::errors::ResolverError, }, hir_def::expr::{HirExpression, HirIdent}, - lexer::Lexer, node_interner::{DefinitionKind, DependencyId, FuncId, NodeInterner, StructId, TraitId}, - parser::{Item, ItemKind, Parser}, - token::SecondaryAttribute, + parser::{Item, ItemKind}, + token::{MetaAttribute, SecondaryAttribute}, Type, TypeBindings, UnificationError, }; @@ -91,6 +90,7 @@ impl<'context> Elaborator<'context> { let mut elaborator = Elaborator::new( self.interner, self.def_maps, + self.usage_tracker, self.crate_id, self.debug_comptime_in_file, self.interpreter_call_stack.clone(), @@ -161,10 +161,9 @@ impl<'context> Elaborator<'context> { if let SecondaryAttribute::Meta(attribute) = attribute { self.elaborate_in_comptime_context(|this| { if let Err(error) = this.run_comptime_attribute_name_on_item( - &attribute.contents, + attribute, item.clone(), span, - attribute.contents_span, attribute_context, generated_items, ) { @@ -176,27 +175,21 @@ impl<'context> Elaborator<'context> { fn run_comptime_attribute_name_on_item( &mut self, - attribute: &str, + attribute: &MetaAttribute, item: Value, span: Span, - attribute_span: Span, attribute_context: AttributeContext, generated_items: &mut CollectedItems, ) -> Result<(), (CompilationError, FileId)> { self.file = attribute_context.attribute_file; self.local_module = attribute_context.attribute_module; - let location = Location::new(attribute_span, self.file); - let Some((function, arguments)) = Self::parse_attribute(attribute, location)? else { - return Err(( - ResolverError::UnableToParseAttribute { - attribute: attribute.to_string(), - span: attribute_span, - } - .into(), - self.file, - )); + let location = Location::new(attribute.span, self.file); + let function = Expression { + kind: ExpressionKind::Variable(attribute.name.clone()), + span: attribute.span, }; + let arguments = attribute.arguments.clone(); // Elaborate the function, rolling back any errors generated in case it is unknown let error_count = self.errors.len(); @@ -210,7 +203,7 @@ impl<'context> Elaborator<'context> { return Err(( ResolverError::AttributeFunctionIsNotAPath { function: function_string, - span: attribute_span, + span: attribute.span, } .into(), self.file, @@ -222,7 +215,7 @@ impl<'context> Elaborator<'context> { return Err(( ResolverError::AttributeFunctionNotInScope { name: function_string, - span: attribute_span, + span: attribute.span, } .into(), self.file, @@ -268,38 +261,6 @@ impl<'context> Elaborator<'context> { Ok(()) } - /// Parses an attribute in the form of a function call (e.g. `#[foo(a b, c d)]`) into - /// the function and quoted arguments called (e.g. `("foo", vec![(a b, location), (c d, location)])`) - #[allow(clippy::type_complexity)] - pub(crate) fn parse_attribute( - annotation: &str, - location: Location, - ) -> Result)>, (CompilationError, FileId)> { - let (tokens, mut lexing_errors) = Lexer::lex(annotation); - if !lexing_errors.is_empty() { - return Err((lexing_errors.swap_remove(0).into(), location.file)); - } - - let Some(expression) = Parser::for_tokens(tokens).parse_option(Parser::parse_expression) - else { - return Ok(None); - }; - - let (mut func, mut arguments) = match expression.kind { - ExpressionKind::Call(call) => (*call.func, call.arguments), - ExpressionKind::Variable(_) => (expression, Vec::new()), - _ => return Ok(None), - }; - - func.span = func.span.shift_by(location.span.start()); - - for argument in &mut arguments { - argument.span = argument.span.shift_by(location.span.start()); - } - - Ok(Some((func, arguments))) - } - fn handle_attribute_arguments( interpreter: &mut Interpreter, item: &Value, @@ -412,6 +373,7 @@ impl<'context> Elaborator<'context> { if let Some(id) = dc_mod::collect_function( self.interner, self.def_maps.get_mut(&self.crate_id).unwrap(), + self.usage_tracker, &function, module_id, self.file, @@ -461,6 +423,7 @@ impl<'context> Elaborator<'context> { let (global, error) = dc_mod::collect_global( self.interner, self.def_maps.get_mut(&self.crate_id).unwrap(), + self.usage_tracker, Documented::new(global, item.doc_comments), visibility, self.file, @@ -477,6 +440,7 @@ impl<'context> Elaborator<'context> { if let Some((type_id, the_struct)) = dc_mod::collect_struct( self.interner, self.def_maps.get_mut(&self.crate_id).unwrap(), + self.usage_tracker, Documented::new(struct_def, item.doc_comments), self.file, self.local_module, diff --git a/noir/noir-repo/compiler/noirc_frontend/src/elaborator/expressions.rs b/noir/noir-repo/compiler/noirc_frontend/src/elaborator/expressions.rs index 6dfd295db6f..ff482dca4fb 100644 --- a/noir/noir-repo/compiler/noirc_frontend/src/elaborator/expressions.rs +++ b/noir/noir-repo/compiler/noirc_frontend/src/elaborator/expressions.rs @@ -591,7 +591,7 @@ impl<'context> Elaborator<'context> { pub(super) fn mark_struct_as_constructed(&mut self, struct_type: Shared) { let struct_type = struct_type.borrow(); let parent_module_id = struct_type.id.parent_module_id(self.def_maps); - self.interner.usage_tracker.mark_as_used(parent_module_id, &struct_type.name); + self.usage_tracker.mark_as_used(parent_module_id, &struct_type.name); } /// Resolve all the fields of a struct constructor expression. diff --git a/noir/noir-repo/compiler/noirc_frontend/src/elaborator/lints.rs b/noir/noir-repo/compiler/noirc_frontend/src/elaborator/lints.rs index 57db2359772..8b8c331b9d3 100644 --- a/noir/noir-repo/compiler/noirc_frontend/src/elaborator/lints.rs +++ b/noir/noir-repo/compiler/noirc_frontend/src/elaborator/lints.rs @@ -67,7 +67,7 @@ pub(super) fn low_level_function_outside_stdlib( crate_id: CrateId, ) -> Option { let is_low_level_function = - modifiers.attributes.function.as_ref().map_or(false, |func| func.is_low_level()); + modifiers.attributes.function().map_or(false, |func| func.is_low_level()); if !crate_id.is_stdlib() && is_low_level_function { let ident = func_meta_name_ident(func, modifiers); Some(ResolverError::LowLevelFunctionOutsideOfStdlib { ident }) @@ -81,8 +81,7 @@ pub(super) fn oracle_not_marked_unconstrained( func: &FuncMeta, modifiers: &FunctionModifiers, ) -> Option { - let is_oracle_function = - modifiers.attributes.function.as_ref().map_or(false, |func| func.is_oracle()); + let is_oracle_function = modifiers.attributes.function().map_or(false, |func| func.is_oracle()); if is_oracle_function && !modifiers.is_unconstrained { let ident = func_meta_name_ident(func, modifiers); Some(ResolverError::OracleMarkedAsConstrained { ident }) @@ -105,8 +104,7 @@ pub(super) fn oracle_called_from_constrained_function( } let function_attributes = interner.function_attributes(called_func); - let is_oracle_call = - function_attributes.function.as_ref().map_or(false, |func| func.is_oracle()); + let is_oracle_call = function_attributes.function().map_or(false, |func| func.is_oracle()); if is_oracle_call { Some(ResolverError::UnconstrainedOracleReturnToConstrained { span }) } else { diff --git a/noir/noir-repo/compiler/noirc_frontend/src/elaborator/mod.rs b/noir/noir-repo/compiler/noirc_frontend/src/elaborator/mod.rs index 2a723286d8b..ee79b62671f 100644 --- a/noir/noir-repo/compiler/noirc_frontend/src/elaborator/mod.rs +++ b/noir/noir-repo/compiler/noirc_frontend/src/elaborator/mod.rs @@ -4,8 +4,8 @@ use std::{ }; use crate::{ - ast::ItemVisibility, hir::resolution::import::PathResolutionItem, - hir_def::traits::ResolvedTraitBound, StructField, StructType, TypeBindings, + ast::ItemVisibility, hir_def::traits::ResolvedTraitBound, usage_tracker::UsageTracker, + StructField, StructType, TypeBindings, }; use crate::{ ast::{ @@ -23,7 +23,6 @@ use crate::{ def_map::{DefMaps, ModuleData}, def_map::{LocalModuleId, ModuleId, MAIN_FUNCTION}, resolution::errors::ResolverError, - resolution::import::PathResolution, scope::ScopeForest as GenericScopeForest, type_check::{generics::TraitGenerics, TypeCheckError}, Context, @@ -39,13 +38,14 @@ use crate::{ DefinitionKind, DependencyId, ExprId, FuncId, FunctionModifiers, GlobalId, NodeInterner, ReferenceId, StructId, TraitId, TraitImplId, TypeAliasId, }, - token::{CustomAttribute, SecondaryAttribute}, + token::SecondaryAttribute, Shared, Type, TypeVariable, }; mod comptime; mod expressions; mod lints; +mod path_resolution; mod patterns; mod scope; mod statements; @@ -57,6 +57,7 @@ mod unquote; use fm::FileId; use iter_extended::vecmap; use noirc_errors::{Location, Span, Spanned}; +use path_resolution::{PathResolution, PathResolutionItem}; use types::bind_ordered_generics; use self::traits::check_trait_impl_method_matches_declaration; @@ -84,8 +85,8 @@ pub struct Elaborator<'context> { pub(crate) errors: Vec<(CompilationError, FileId)>, pub(crate) interner: &'context mut NodeInterner, - pub(crate) def_maps: &'context mut DefMaps, + pub(crate) usage_tracker: &'context mut UsageTracker, pub(crate) file: FileId, @@ -183,6 +184,7 @@ impl<'context> Elaborator<'context> { pub fn new( interner: &'context mut NodeInterner, def_maps: &'context mut DefMaps, + usage_tracker: &'context mut UsageTracker, crate_id: CrateId, debug_comptime_in_file: Option, interpreter_call_stack: im::Vector, @@ -192,6 +194,7 @@ impl<'context> Elaborator<'context> { errors: Vec::new(), interner, def_maps, + usage_tracker, file: FileId::dummy(), in_unsafe_block: false, nested_loops: 0, @@ -221,6 +224,7 @@ impl<'context> Elaborator<'context> { Self::new( &mut context.def_interner, &mut context.def_maps, + &mut context.usage_tracker, crate_id, debug_comptime_in_file, im::Vector::new(), @@ -637,7 +641,7 @@ impl<'context> Elaborator<'context> { let typ = if unresolved_typ.is_type_expression() { self.resolve_type_inner( unresolved_typ.clone(), - &Kind::Numeric(Box::new(Type::default_int_type())), + &Kind::numeric(Type::default_int_type()), ) } else { self.resolve_type(unresolved_typ.clone()) @@ -650,7 +654,7 @@ impl<'context> Elaborator<'context> { }); self.push_err(unsupported_typ_err); } - Kind::Numeric(Box::new(typ)) + Kind::numeric(typ) } else { Kind::Normal } @@ -835,11 +839,6 @@ impl<'context> Elaborator<'context> { None }; - let attributes = func.secondary_attributes().iter(); - let attributes = - attributes.filter_map(|secondary_attribute| secondary_attribute.as_custom()); - let attributes: Vec = attributes.cloned().collect(); - let meta = FuncMeta { name: name_ident, kind: func.kind, @@ -863,7 +862,6 @@ impl<'context> Elaborator<'context> { function_body: FunctionBody::Unresolved(func.kind, body, func.def.span), self_type: self.self_type.clone(), source_file: self.file, - custom_attributes: attributes, }; self.interner.push_fn_meta(meta, func_id); @@ -892,6 +890,10 @@ impl<'context> Elaborator<'context> { Type::Alias(alias_type, generics) => { self.mark_type_as_used(&alias_type.borrow().get_type(generics)); } + Type::CheckedCast { from, to } => { + self.mark_type_as_used(from); + self.mark_type_as_used(to); + } Type::MutableReference(typ) => { self.mark_type_as_used(typ); } @@ -1497,6 +1499,10 @@ impl<'context> Elaborator<'context> { span, ); } + Type::CheckedCast { from, to } => { + self.check_type_is_not_more_private_then_item(name, visibility, from, span); + self.check_type_is_not_more_private_then_item(name, visibility, to, span); + } Type::Function(args, return_type, env, _) => { for arg in args { self.check_type_is_not_more_private_then_item(name, visibility, arg, span); diff --git a/noir/noir-repo/compiler/noirc_frontend/src/elaborator/path_resolution.rs b/noir/noir-repo/compiler/noirc_frontend/src/elaborator/path_resolution.rs new file mode 100644 index 00000000000..a68991becb7 --- /dev/null +++ b/noir/noir-repo/compiler/noirc_frontend/src/elaborator/path_resolution.rs @@ -0,0 +1,347 @@ +use noirc_errors::{Location, Span}; + +use crate::ast::{Path, PathKind, UnresolvedType}; +use crate::hir::def_map::{ModuleDefId, ModuleId}; +use crate::hir::resolution::import::{resolve_path_kind, PathResolutionError}; + +use crate::hir::resolution::errors::ResolverError; +use crate::hir::resolution::visibility::item_in_module_is_visible; + +use crate::locations::ReferencesTracker; +use crate::node_interner::{FuncId, GlobalId, StructId, TraitId, TypeAliasId}; +use crate::Type; + +use super::types::SELF_TYPE_NAME; +use super::Elaborator; + +#[derive(Debug)] +pub(crate) struct PathResolution { + pub(crate) item: PathResolutionItem, + pub(crate) errors: Vec, +} + +/// All possible items that result from resolving a Path. +/// Note that this item doesn't include the last turbofish in a Path, +/// only intermediate ones, if any. +#[derive(Debug, Clone)] +pub enum PathResolutionItem { + Module(ModuleId), + Struct(StructId), + TypeAlias(TypeAliasId), + Trait(TraitId), + Global(GlobalId), + ModuleFunction(FuncId), + StructFunction(StructId, Option, FuncId), + TypeAliasFunction(TypeAliasId, Option, FuncId), + TraitFunction(TraitId, Option, FuncId), +} + +impl PathResolutionItem { + pub fn function_id(&self) -> Option { + match self { + PathResolutionItem::ModuleFunction(func_id) + | PathResolutionItem::StructFunction(_, _, func_id) + | PathResolutionItem::TypeAliasFunction(_, _, func_id) + | PathResolutionItem::TraitFunction(_, _, func_id) => Some(*func_id), + _ => None, + } + } + + pub fn module_id(&self) -> Option { + match self { + Self::Module(module_id) => Some(*module_id), + _ => None, + } + } + + pub fn description(&self) -> &'static str { + match self { + PathResolutionItem::Module(..) => "module", + PathResolutionItem::Struct(..) => "type", + PathResolutionItem::TypeAlias(..) => "type alias", + PathResolutionItem::Trait(..) => "trait", + PathResolutionItem::Global(..) => "global", + PathResolutionItem::ModuleFunction(..) + | PathResolutionItem::StructFunction(..) + | PathResolutionItem::TypeAliasFunction(..) + | PathResolutionItem::TraitFunction(..) => "function", + } + } +} + +#[derive(Debug, Clone)] +pub struct Turbofish { + pub generics: Vec, + pub span: Span, +} + +/// Any item that can appear before the last segment in a path. +#[derive(Debug)] +enum IntermediatePathResolutionItem { + Module(ModuleId), + Struct(StructId, Option), + TypeAlias(TypeAliasId, Option), + Trait(TraitId, Option), +} + +pub(crate) type PathResolutionResult = Result; + +impl<'context> Elaborator<'context> { + pub(super) fn resolve_path_or_error( + &mut self, + path: Path, + ) -> Result { + let path_resolution = self.resolve_path(path)?; + + for error in path_resolution.errors { + self.push_err(error); + } + + Ok(path_resolution.item) + } + + /// Resolves a path in the current module. + /// If the referenced name can't be found, `Err` will be returned. If it can be found, `Ok` + /// will be returned with a potential list of errors if, for example, one of the segments + /// is not accessible from the current module (e.g. because it's private). + pub(super) fn resolve_path(&mut self, mut path: Path) -> PathResolutionResult { + let mut module_id = self.module_id(); + + if path.kind == PathKind::Plain && path.first_name() == Some(SELF_TYPE_NAME) { + if let Some(Type::Struct(struct_type, _)) = &self.self_type { + let struct_type = struct_type.borrow(); + if path.segments.len() == 1 { + return Ok(PathResolution { + item: PathResolutionItem::Struct(struct_type.id), + errors: Vec::new(), + }); + } + + module_id = struct_type.id.module_id(); + path.segments.remove(0); + } + } + + self.resolve_path_in_module(path, module_id) + } + + /// Resolves a path in `current_module`. + /// `importing_module` is the module where the lookup originally started. + fn resolve_path_in_module( + &mut self, + path: Path, + importing_module: ModuleId, + ) -> PathResolutionResult { + let references_tracker = if self.interner.is_in_lsp_mode() { + Some(ReferencesTracker::new(self.interner, self.file)) + } else { + None + }; + let (path, module_id, _) = + resolve_path_kind(path, importing_module, self.def_maps, references_tracker)?; + self.resolve_name_in_module(path, module_id, importing_module) + } + + /// Resolves a Path assuming we are inside `starting_module`. + /// `importing_module` is the module where the lookup originally started. + fn resolve_name_in_module( + &mut self, + path: Path, + starting_module: ModuleId, + importing_module: ModuleId, + ) -> PathResolutionResult { + // There is a possibility that the import path is empty. In that case, early return. + if path.segments.is_empty() { + return Ok(PathResolution { + item: PathResolutionItem::Module(starting_module), + errors: Vec::new(), + }); + } + + let plain_or_crate = matches!(path.kind, PathKind::Plain | PathKind::Crate); + + // The current module and module ID as we resolve path segments + let mut current_module_id = starting_module; + let mut current_module = self.get_module(starting_module); + + let mut intermediate_item = IntermediatePathResolutionItem::Module(current_module_id); + + let first_segment = + &path.segments.first().expect("ice: could not fetch first segment").ident; + let mut current_ns = current_module.find_name(first_segment); + if current_ns.is_none() { + return Err(PathResolutionError::Unresolved(first_segment.clone())); + } + + self.usage_tracker.mark_as_referenced(current_module_id, first_segment); + + let mut errors = Vec::new(); + for (index, (last_segment, current_segment)) in + path.segments.iter().zip(path.segments.iter().skip(1)).enumerate() + { + let last_ident = &last_segment.ident; + let current_ident = ¤t_segment.ident; + let last_segment_generics = &last_segment.generics; + + let (typ, visibility) = match current_ns.types { + None => return Err(PathResolutionError::Unresolved(last_ident.clone())), + Some((typ, visibility, _)) => (typ, visibility), + }; + + let location = Location::new(last_segment.span, self.file); + self.interner.add_module_def_id_reference( + typ, + location, + last_segment.ident.is_self_type_name(), + ); + + (current_module_id, intermediate_item) = match typ { + ModuleDefId::ModuleId(id) => { + if last_segment_generics.is_some() { + errors.push(PathResolutionError::TurbofishNotAllowedOnItem { + item: format!("module `{last_ident}`"), + span: last_segment.turbofish_span(), + }); + } + + (id, IntermediatePathResolutionItem::Module(id)) + } + ModuleDefId::TypeId(id) => ( + id.module_id(), + IntermediatePathResolutionItem::Struct( + id, + last_segment_generics.as_ref().map(|generics| Turbofish { + generics: generics.clone(), + span: last_segment.turbofish_span(), + }), + ), + ), + ModuleDefId::TypeAliasId(id) => { + let type_alias = self.interner.get_type_alias(id); + let type_alias = type_alias.borrow(); + + let module_id = match &type_alias.typ { + Type::Struct(struct_id, _generics) => struct_id.borrow().id.module_id(), + Type::Error => { + return Err(PathResolutionError::Unresolved(last_ident.clone())); + } + _ => { + // For now we only allow type aliases that point to structs. + // The more general case is captured here: https://github.com/noir-lang/noir/issues/6398 + panic!("Type alias in path not pointing to struct not yet supported") + } + }; + + ( + module_id, + IntermediatePathResolutionItem::TypeAlias( + id, + last_segment_generics.as_ref().map(|generics| Turbofish { + generics: generics.clone(), + span: last_segment.turbofish_span(), + }), + ), + ) + } + ModuleDefId::TraitId(id) => ( + id.0, + IntermediatePathResolutionItem::Trait( + id, + last_segment_generics.as_ref().map(|generics| Turbofish { + generics: generics.clone(), + span: last_segment.turbofish_span(), + }), + ), + ), + ModuleDefId::FunctionId(_) => panic!("functions cannot be in the type namespace"), + ModuleDefId::GlobalId(_) => panic!("globals cannot be in the type namespace"), + }; + + // If the path is plain or crate, the first segment will always refer to + // something that's visible from the current module. + if !((plain_or_crate && index == 0) + || item_in_module_is_visible( + self.def_maps, + importing_module, + current_module_id, + visibility, + )) + { + errors.push(PathResolutionError::Private(last_ident.clone())); + } + + current_module = self.get_module(current_module_id); + + // Check if namespace + let found_ns = current_module.find_name(current_ident); + if found_ns.is_none() { + return Err(PathResolutionError::Unresolved(current_ident.clone())); + } + + self.usage_tracker.mark_as_referenced(current_module_id, current_ident); + + current_ns = found_ns; + } + + let (module_def_id, visibility, _) = + current_ns.values.or(current_ns.types).expect("Found empty namespace"); + + let name = path.last_ident(); + let is_self_type = name.is_self_type_name(); + let location = Location::new(name.span(), self.file); + self.interner.add_module_def_id_reference(module_def_id, location, is_self_type); + + let item = merge_intermediate_path_resolution_item_with_module_def_id( + intermediate_item, + module_def_id, + ); + + if !(self.self_type_module_id() == Some(current_module_id) + || item_in_module_is_visible( + self.def_maps, + importing_module, + current_module_id, + visibility, + )) + { + errors.push(PathResolutionError::Private(name.clone())); + } + + Ok(PathResolution { item, errors }) + } + + fn self_type_module_id(&self) -> Option { + if let Some(Type::Struct(struct_type, _)) = &self.self_type { + Some(struct_type.borrow().id.module_id()) + } else { + None + } + } +} + +fn merge_intermediate_path_resolution_item_with_module_def_id( + intermediate_item: IntermediatePathResolutionItem, + module_def_id: ModuleDefId, +) -> PathResolutionItem { + match module_def_id { + ModuleDefId::ModuleId(module_id) => PathResolutionItem::Module(module_id), + ModuleDefId::TypeId(struct_id) => PathResolutionItem::Struct(struct_id), + ModuleDefId::TypeAliasId(type_alias_id) => PathResolutionItem::TypeAlias(type_alias_id), + ModuleDefId::TraitId(trait_id) => PathResolutionItem::Trait(trait_id), + ModuleDefId::GlobalId(global_id) => PathResolutionItem::Global(global_id), + ModuleDefId::FunctionId(func_id) => match intermediate_item { + IntermediatePathResolutionItem::Module(_) => { + PathResolutionItem::ModuleFunction(func_id) + } + IntermediatePathResolutionItem::Struct(struct_id, generics) => { + PathResolutionItem::StructFunction(struct_id, generics, func_id) + } + IntermediatePathResolutionItem::TypeAlias(alias_id, generics) => { + PathResolutionItem::TypeAliasFunction(alias_id, generics, func_id) + } + IntermediatePathResolutionItem::Trait(trait_id, generics) => { + PathResolutionItem::TraitFunction(trait_id, generics, func_id) + } + }, + } +} diff --git a/noir/noir-repo/compiler/noirc_frontend/src/elaborator/patterns.rs b/noir/noir-repo/compiler/noirc_frontend/src/elaborator/patterns.rs index b45f455633b..3928362db11 100644 --- a/noir/noir-repo/compiler/noirc_frontend/src/elaborator/patterns.rs +++ b/noir/noir-repo/compiler/noirc_frontend/src/elaborator/patterns.rs @@ -9,7 +9,7 @@ use crate::{ }, hir::{ def_collector::dc_crate::CompilationError, - resolution::{errors::ResolverError, import::PathResolutionItem}, + resolution::errors::ResolverError, type_check::{Source, TypeCheckError}, }, hir_def::{ @@ -17,10 +17,10 @@ use crate::{ stmt::HirPattern, }, node_interner::{DefinitionId, DefinitionKind, ExprId, FuncId, GlobalId, TraitImplKind}, - Kind, ResolvedGeneric, Shared, StructType, Type, TypeBindings, + Kind, Shared, StructType, Type, TypeAlias, TypeBindings, }; -use super::{Elaborator, ResolverMeta}; +use super::{path_resolution::PathResolutionItem, Elaborator, ResolverMeta}; impl<'context> Elaborator<'context> { pub(super) fn elaborate_pattern( @@ -413,19 +413,20 @@ impl<'context> Elaborator<'context> { unresolved_turbofish: Option>, span: Span, ) -> Option> { - let direct_generics = self.interner.function_meta(func_id).direct_generics.clone(); + let direct_generic_kinds = + vecmap(&self.interner.function_meta(func_id).direct_generics, |generic| generic.kind()); unresolved_turbofish.map(|unresolved_turbofish| { - if unresolved_turbofish.len() != direct_generics.len() { + if unresolved_turbofish.len() != direct_generic_kinds.len() { let type_check_err = TypeCheckError::IncorrectTurbofishGenericCount { - expected_count: direct_generics.len(), + expected_count: direct_generic_kinds.len(), actual_count: unresolved_turbofish.len(), span, }; self.push_err(type_check_err); } - self.resolve_turbofish_generics(&direct_generics, unresolved_turbofish) + self.resolve_turbofish_generics(direct_generic_kinds, unresolved_turbofish) }) } @@ -435,6 +436,62 @@ impl<'context> Elaborator<'context> { generics: Vec, unresolved_turbofish: Option>, span: Span, + ) -> Vec { + let kinds = vecmap(&struct_type.generics, |generic| generic.kind()); + self.resolve_item_turbofish_generics( + "struct", + &struct_type.name.0.contents, + kinds, + generics, + unresolved_turbofish, + span, + ) + } + + pub(super) fn resolve_trait_turbofish_generics( + &mut self, + trait_name: &str, + trait_generic_kinds: Vec, + generics: Vec, + unresolved_turbofish: Option>, + span: Span, + ) -> Vec { + self.resolve_item_turbofish_generics( + "trait", + trait_name, + trait_generic_kinds, + generics, + unresolved_turbofish, + span, + ) + } + + pub(super) fn resolve_alias_turbofish_generics( + &mut self, + type_alias: &TypeAlias, + generics: Vec, + unresolved_turbofish: Option>, + span: Span, + ) -> Vec { + let kinds = vecmap(&type_alias.generics, |generic| generic.kind()); + self.resolve_item_turbofish_generics( + "alias", + &type_alias.name.0.contents, + kinds, + generics, + unresolved_turbofish, + span, + ) + } + + pub(super) fn resolve_item_turbofish_generics( + &mut self, + item_kind: &'static str, + item_name: &str, + item_generic_kinds: Vec, + generics: Vec, + unresolved_turbofish: Option>, + span: Span, ) -> Vec { let Some(turbofish_generics) = unresolved_turbofish else { return generics; @@ -442,7 +499,7 @@ impl<'context> Elaborator<'context> { if turbofish_generics.len() != generics.len() { self.push_err(TypeCheckError::GenericCountMismatch { - item: format!("struct {}", struct_type.name), + item: format!("{item_kind} {item_name}"), expected: generics.len(), found: turbofish_generics.len(), span, @@ -450,17 +507,17 @@ impl<'context> Elaborator<'context> { return generics; } - self.resolve_turbofish_generics(&struct_type.generics, turbofish_generics) + self.resolve_turbofish_generics(item_generic_kinds, turbofish_generics) } pub(super) fn resolve_turbofish_generics( &mut self, - generics: &[ResolvedGeneric], + kinds: Vec, turbofish_generics: Vec, ) -> Vec { - let generics_with_types = generics.iter().zip(turbofish_generics); - vecmap(generics_with_types, |(generic, unresolved_type)| { - self.resolve_type_inner(unresolved_type, &generic.kind()) + let kinds_with_types = kinds.into_iter().zip(turbofish_generics); + vecmap(kinds_with_types, |(kind, unresolved_type)| { + self.resolve_type_inner(unresolved_type, &kind) }) } @@ -526,15 +583,50 @@ impl<'context> Elaborator<'context> { generics.span, ) } - PathResolutionItem::TypeAliasFunction(_type_alias_id, Some(generics), _func_id) => { - // TODO: https://github.com/noir-lang/noir/issues/6311 - self.push_err(TypeCheckError::UnsupportedTurbofishUsage { span: generics.span }); - Vec::new() + PathResolutionItem::TypeAliasFunction(type_alias_id, generics, _func_id) => { + let type_alias = self.interner.get_type_alias(type_alias_id); + let type_alias = type_alias.borrow(); + let alias_generics = vecmap(&type_alias.generics, |generic| { + self.interner.next_type_variable_with_kind(generic.kind()) + }); + + // First solve the generics on the alias, if any + let generics = if let Some(generics) = generics { + self.resolve_alias_turbofish_generics( + &type_alias, + alias_generics, + Some(generics.generics), + generics.span, + ) + } else { + alias_generics + }; + + // Now instantiate the underlying struct with those generics, the struct might + // have more generics than those in the alias, like in this example: + // + // type Alias = Struct; + let typ = type_alias.get_type(&generics); + let Type::Struct(_, generics) = typ else { + // See https://github.com/noir-lang/noir/issues/6398 + panic!("Expected type alias to point to struct") + }; + + generics } - PathResolutionItem::TraitFunction(_trait_id, Some(generics), _func_id) => { - // TODO: https://github.com/noir-lang/noir/issues/6310 - self.push_err(TypeCheckError::UnsupportedTurbofishUsage { span: generics.span }); - Vec::new() + PathResolutionItem::TraitFunction(trait_id, Some(generics), _func_id) => { + let trait_ = self.interner.get_trait(trait_id); + let kinds = vecmap(&trait_.generics, |generic| generic.kind()); + let trait_generics = + vecmap(&kinds, |kind| self.interner.next_type_variable_with_kind(kind.clone())); + + self.resolve_trait_turbofish_generics( + &trait_.name.to_string(), + kinds, + trait_generics, + Some(generics.generics), + generics.span, + ) } _ => Vec::new(), } @@ -552,7 +644,7 @@ impl<'context> Elaborator<'context> { id: self.interner.trait_method_id(trait_path_resolution.method.method_id), impl_kind: ImplKind::TraitMethod(trait_path_resolution.method), }, - None, + trait_path_resolution.item, ) } else { // If the Path is being used as an Expression, then it is referring to a global from a separate module @@ -762,8 +854,8 @@ impl<'context> Elaborator<'context> { .func_id(self.interner) .expect("Expected trait function to be a DefinitionKind::Function"); - let generics = self.resolve_type_args(path.turbofish, func_id, span).0; - let generics = (!generics.is_empty()).then_some(generics); + let generics = + path.turbofish.map(|turbofish| self.resolve_type_args(turbofish, func_id, span).0); let location = Location::new(span, self.file); let id = self.interner.function_definition_id(func_id); diff --git a/noir/noir-repo/compiler/noirc_frontend/src/elaborator/scope.rs b/noir/noir-repo/compiler/noirc_frontend/src/elaborator/scope.rs index 8e033c914be..fe01e3cb7f3 100644 --- a/noir/noir-repo/compiler/noirc_frontend/src/elaborator/scope.rs +++ b/noir/noir-repo/compiler/noirc_frontend/src/elaborator/scope.rs @@ -1,9 +1,8 @@ -use noirc_errors::{Location, Spanned}; +use noirc_errors::Spanned; -use crate::ast::{Ident, Path, PathKind, ERROR_IDENT}; +use crate::ast::{Ident, Path, ERROR_IDENT}; use crate::hir::def_map::{LocalModuleId, ModuleId}; -use crate::hir::resolution::import::{PathResolution, PathResolutionItem, PathResolutionResult}; -use crate::hir::resolution::path_resolver::{PathResolver, StandardPathResolver}; + use crate::hir::scope::{Scope as GenericScope, ScopeTree as GenericScopeTree}; use crate::{ hir::resolution::errors::ResolverError, @@ -16,6 +15,7 @@ use crate::{ }; use crate::{Type, TypeAlias}; +use super::path_resolution::PathResolutionItem; use super::types::SELF_TYPE_NAME; use super::{Elaborator, ResolverMeta}; @@ -37,97 +37,6 @@ impl<'context> Elaborator<'context> { current_module } - pub(super) fn resolve_path_or_error( - &mut self, - path: Path, - ) -> Result { - let path_resolution = self.resolve_path(path)?; - - for error in path_resolution.errors { - self.push_err(error); - } - - Ok(path_resolution.item) - } - - pub(super) fn resolve_path(&mut self, path: Path) -> PathResolutionResult { - let mut module_id = self.module_id(); - let mut path = path; - - if path.kind == PathKind::Plain && path.first_name() == SELF_TYPE_NAME { - if let Some(Type::Struct(struct_type, _)) = &self.self_type { - let struct_type = struct_type.borrow(); - if path.segments.len() == 1 { - return Ok(PathResolution { - item: PathResolutionItem::Struct(struct_type.id), - errors: Vec::new(), - }); - } - - module_id = struct_type.id.module_id(); - path = Path { - segments: path.segments[1..].to_vec(), - kind: PathKind::Plain, - span: path.span(), - }; - } - } - - self.resolve_path_in_module(path, module_id) - } - - fn resolve_path_in_module(&mut self, path: Path, module_id: ModuleId) -> PathResolutionResult { - let self_type_module_id = if let Some(Type::Struct(struct_type, _)) = &self.self_type { - Some(struct_type.borrow().id.module_id()) - } else { - None - }; - - let resolver = StandardPathResolver::new(module_id, self_type_module_id); - - if !self.interner.lsp_mode { - return resolver.resolve( - self.def_maps, - path, - &mut self.interner.usage_tracker, - &mut None, - ); - } - - let last_segment = path.last_ident(); - let location = Location::new(last_segment.span(), self.file); - let is_self_type_name = last_segment.is_self_type_name(); - - let mut references: Vec<_> = Vec::new(); - let path_resolution = resolver.resolve( - self.def_maps, - path.clone(), - &mut self.interner.usage_tracker, - &mut Some(&mut references), - ); - - for (referenced, segment) in references.iter().zip(path.segments) { - self.interner.add_reference( - *referenced, - Location::new(segment.ident.span(), self.file), - segment.ident.is_self_type_name(), - ); - } - - let path_resolution = match path_resolution { - Ok(path_resolution) => path_resolution, - Err(err) => return Err(err), - }; - - self.interner.add_path_resolution_kind_reference( - path_resolution.item.clone(), - location, - is_self_type_name, - ); - - Ok(path_resolution) - } - pub(super) fn get_struct(&self, type_id: StructId) -> Shared { self.interner.get_struct(type_id) } diff --git a/noir/noir-repo/compiler/noirc_frontend/src/elaborator/traits.rs b/noir/noir-repo/compiler/noirc_frontend/src/elaborator/traits.rs index ae278616e03..e1be45927ca 100644 --- a/noir/noir-repo/compiler/noirc_frontend/src/elaborator/traits.rs +++ b/noir/noir-repo/compiler/noirc_frontend/src/elaborator/traits.rs @@ -23,6 +23,8 @@ use super::Elaborator; impl<'context> Elaborator<'context> { pub fn collect_traits(&mut self, traits: &BTreeMap) { for (trait_id, unresolved_trait) in traits { + self.local_module = unresolved_trait.module_id; + self.recover_generics(|this| { this.current_trait = Some(*trait_id); diff --git a/noir/noir-repo/compiler/noirc_frontend/src/elaborator/types.rs b/noir/noir-repo/compiler/noirc_frontend/src/elaborator/types.rs index 2879204d3ee..b296c4f1805 100644 --- a/noir/noir-repo/compiler/noirc_frontend/src/elaborator/types.rs +++ b/noir/noir-repo/compiler/noirc_frontend/src/elaborator/types.rs @@ -14,10 +14,7 @@ use crate::{ hir::{ comptime::{Interpreter, Value}, def_collector::dc_crate::CompilationError, - resolution::{ - errors::ResolverError, - import::{PathResolutionError, PathResolutionItem}, - }, + resolution::{errors::ResolverError, import::PathResolutionError}, type_check::{ generics::{Generic, TraitGenerics}, NoMatchingImplFoundError, Source, TypeCheckError, @@ -41,13 +38,14 @@ use crate::{ UnificationError, }; -use super::{lints, Elaborator}; +use super::{lints, path_resolution::PathResolutionItem, Elaborator}; pub const SELF_TYPE_NAME: &str = "Self"; pub const WILDCARD_TYPE: &str = "_"; pub(super) struct TraitPathResolution { pub(super) method: TraitMethod, + pub(super) item: Option, pub(super) errors: Vec, } @@ -194,7 +192,7 @@ impl<'context> Elaborator<'context> { // Resolve Self::Foo to an associated type on the current trait or trait impl fn lookup_associated_type_on_self(&self, path: &Path) -> Option { - if path.segments.len() == 2 && path.first_name() == SELF_TYPE_NAME { + if path.segments.len() == 2 && path.first_name() == Some(SELF_TYPE_NAME) { if let Some(trait_id) = self.current_trait { let the_trait = self.interner.get_trait(trait_id); if let Some(typ) = the_trait.get_associated_type(path.last_name()) { @@ -416,7 +414,7 @@ impl<'context> Elaborator<'context> { let kind = self .interner .get_global_let_statement(id) - .map(|let_statement| Kind::Numeric(Box::new(let_statement.r#type))) + .map(|let_statement| Kind::numeric(let_statement.r#type)) .unwrap_or(Kind::u32()); // TODO(https://github.com/noir-lang/noir/issues/6238): @@ -464,14 +462,26 @@ impl<'context> Elaborator<'context> { }); return Type::Error; } - if let Some(result) = op.function(lhs, rhs, &lhs_kind) { - Type::Constant(result, lhs_kind) - } else { - self.push_err(ResolverError::OverflowInType { lhs, op, rhs, span }); - Type::Error + match op.function(lhs, rhs, &lhs_kind, span) { + Ok(result) => Type::Constant(result, lhs_kind), + Err(err) => { + let err = Box::new(err); + self.push_err(ResolverError::BinaryOpError { + lhs, + op, + rhs, + err, + span, + }); + Type::Error + } } } - (lhs, rhs) => Type::InfixExpr(Box::new(lhs), op, Box::new(rhs)).canonicalize(), + (lhs, rhs) => { + let infix = Type::InfixExpr(Box::new(lhs), op, Box::new(rhs)); + Type::CheckedCast { from: Box::new(infix.clone()), to: Box::new(infix) } + .canonicalize() + } } } UnresolvedTypeExpression::AsTraitPath(path) => { @@ -553,6 +563,7 @@ impl<'context> Elaborator<'context> { let constraint = the_trait.as_constraint(path.span); return Some(TraitPathResolution { method: TraitMethod { method_id: method, constraint, assumed: true }, + item: None, errors: Vec::new(), }); } @@ -573,6 +584,7 @@ impl<'context> Elaborator<'context> { let constraint = the_trait.as_constraint(path.span); Some(TraitPathResolution { method: TraitMethod { method_id: method, constraint, assumed: false }, + item: Some(path_resolution.item), errors: path_resolution.errors, }) } @@ -601,6 +613,7 @@ impl<'context> Elaborator<'context> { if let Some(method) = the_trait.find_method(path.last_name()) { return Some(TraitPathResolution { method: TraitMethod { method_id: method, constraint, assumed: true }, + item: None, errors: Vec::new(), }); } @@ -1737,6 +1750,11 @@ impl<'context> Elaborator<'context> { | Type::Quoted(_) | Type::Forall(_, _) => (), + Type::CheckedCast { from, to } => { + Self::find_numeric_generics_in_type(from, found); + Self::find_numeric_generics_in_type(to, found); + } + Type::TraitAsType(_, _, args) => { for arg in &args.ordered { Self::find_numeric_generics_in_type(arg, found); diff --git a/noir/noir-repo/compiler/noirc_frontend/src/hir/comptime/display.rs b/noir/noir-repo/compiler/noirc_frontend/src/hir/comptime/display.rs index 9f753f11e4b..560d11cfa2e 100644 --- a/noir/noir-repo/compiler/noirc_frontend/src/hir/comptime/display.rs +++ b/noir/noir-repo/compiler/noirc_frontend/src/hir/comptime/display.rs @@ -281,8 +281,7 @@ impl<'interner> TokenPrettyPrinter<'interner> { | Token::Whitespace(_) | Token::LineComment(..) | Token::BlockComment(..) - | Token::Attribute(..) - | Token::InnerAttribute(..) + | Token::AttributeStart { .. } | Token::Invalid(_) => { if last_was_alphanumeric { write!(f, " ")?; @@ -620,7 +619,9 @@ fn remove_interned_in_expression_kind( } ExpressionKind::TypePath(mut path) => { path.typ = remove_interned_in_unresolved_type(interner, path.typ); - path.turbofish = remove_interned_in_generic_type_args(interner, path.turbofish); + path.turbofish = path + .turbofish + .map(|turbofish| remove_interned_in_generic_type_args(interner, turbofish)); ExpressionKind::TypePath(path) } ExpressionKind::Resolved(id) => { diff --git a/noir/noir-repo/compiler/noirc_frontend/src/hir/comptime/errors.rs b/noir/noir-repo/compiler/noirc_frontend/src/hir/comptime/errors.rs index dfd328f85f0..198ba91156e 100644 --- a/noir/noir-repo/compiler/noirc_frontend/src/hir/comptime/errors.rs +++ b/noir/noir-repo/compiler/noirc_frontend/src/hir/comptime/errors.rs @@ -3,7 +3,10 @@ use std::rc::Rc; use crate::{ ast::TraitBound, - hir::{def_collector::dc_crate::CompilationError, type_check::NoMatchingImplFoundError}, + hir::{ + def_collector::dc_crate::CompilationError, + type_check::{NoMatchingImplFoundError, TypeCheckError}, + }, parser::ParserError, Type, }; @@ -87,6 +90,7 @@ pub enum InterpreterError { }, NonIntegerArrayLength { typ: Type, + err: Option>, location: Location, }, NonNumericCasted { @@ -228,6 +232,7 @@ pub enum InterpreterError { }, UnknownArrayLength { length: Type, + err: Box, location: Location, }, @@ -435,9 +440,13 @@ impl<'a> From<&'a InterpreterError> for CustomDiagnostic { let secondary = "This is likely a bug".into(); CustomDiagnostic::simple_error(msg, secondary, location.span) } - InterpreterError::NonIntegerArrayLength { typ, location } => { + InterpreterError::NonIntegerArrayLength { typ, err, location } => { let msg = format!("Non-integer array length: `{typ}`"); - let secondary = "Array lengths must be integers".into(); + let secondary = if let Some(err) = err { + format!("Array lengths must be integers, but evaluating `{typ}` resulted in `{err}`") + } else { + "Array lengths must be integers".to_string() + }; CustomDiagnostic::simple_error(msg, secondary, location.span) } InterpreterError::NonNumericCasted { typ, location } => { @@ -640,9 +649,10 @@ impl<'a> From<&'a InterpreterError> for CustomDiagnostic { let msg = format!("`{expression}` is not a valid function body"); CustomDiagnostic::simple_error(msg, String::new(), location.span) } - InterpreterError::UnknownArrayLength { length, location } => { + InterpreterError::UnknownArrayLength { length, err, location } => { let msg = format!("Could not determine array length `{length}`"); - CustomDiagnostic::simple_error(msg, String::new(), location.span) + let secondary = format!("Evaluating the length failed with: `{err}`"); + CustomDiagnostic::simple_error(msg, secondary, location.span) } } } diff --git a/noir/noir-repo/compiler/noirc_frontend/src/hir/comptime/hir_to_display_ast.rs b/noir/noir-repo/compiler/noirc_frontend/src/hir/comptime/hir_to_display_ast.rs index 260c4e3848a..5540a199cec 100644 --- a/noir/noir-repo/compiler/noirc_frontend/src/hir/comptime/hir_to_display_ast.rs +++ b/noir/noir-repo/compiler/noirc_frontend/src/hir/comptime/hir_to_display_ast.rs @@ -340,6 +340,7 @@ impl Type { let name = Path::from_single(name.as_ref().clone(), Span::default()); UnresolvedTypeData::Named(name, GenericTypeArgs::default(), true) } + Type::CheckedCast { to, .. } => to.to_display_ast().typ, Type::Function(args, ret, env, unconstrained) => { let args = vecmap(args, |arg| arg.to_display_ast()); let ret = Box::new(ret.to_display_ast()); diff --git a/noir/noir-repo/compiler/noirc_frontend/src/hir/comptime/interpreter.rs b/noir/noir-repo/compiler/noirc_frontend/src/hir/comptime/interpreter.rs index 7205242ead9..994318a371a 100644 --- a/noir/noir-repo/compiler/noirc_frontend/src/hir/comptime/interpreter.rs +++ b/noir/noir-repo/compiler/noirc_frontend/src/hir/comptime/interpreter.rs @@ -223,7 +223,7 @@ impl<'local, 'interner> Interpreter<'local, 'interner> { location: Location, ) -> IResult { let attributes = self.elaborator.interner.function_attributes(&function); - let func_attrs = attributes.function.as_ref() + let func_attrs = attributes.function() .expect("all builtin functions must contain a function attribute which contains the opcode which it links to"); if let Some(builtin) = func_attrs.builtin() { @@ -585,20 +585,25 @@ impl<'local, 'interner> Interpreter<'local, 'interner> { } DefinitionKind::NumericGeneric(type_variable, numeric_typ) => { let value = match &*type_variable.borrow() { - TypeBinding::Unbound(_, _) => None, + TypeBinding::Unbound(_, _) => { + let typ = self.elaborator.interner.id_type(id); + let location = self.elaborator.interner.expr_location(&id); + Err(InterpreterError::NonIntegerArrayLength { typ, err: None, location }) + } TypeBinding::Bound(binding) => { - binding.evaluate_to_field_element(&Kind::Numeric(numeric_typ.clone())) + let span = self.elaborator.interner.id_location(id).span; + binding + .evaluate_to_field_element(&Kind::Numeric(numeric_typ.clone()), span) + .map_err(|err| { + let typ = Type::TypeVariable(type_variable.clone()); + let err = Some(Box::new(err)); + let location = self.elaborator.interner.expr_location(&id); + InterpreterError::NonIntegerArrayLength { typ, err, location } + }) } - }; + }?; - if let Some(value) = value { - let typ = self.elaborator.interner.id_type(id); - self.evaluate_integer(value, false, id) - } else { - let location = self.elaborator.interner.expr_location(&id); - let typ = Type::TypeVariable(type_variable.clone()); - Err(InterpreterError::NonIntegerArrayLength { typ, location }) - } + self.evaluate_integer(value, false, id) } } } @@ -805,12 +810,17 @@ impl<'local, 'interner> Interpreter<'local, 'interner> { HirArrayLiteral::Repeated { repeated_element, length } => { let element = self.evaluate(repeated_element)?; - if let Some(length) = length.evaluate_to_u32() { - let elements = (0..length).map(|_| element.clone()).collect(); - Ok(Value::Array(elements, typ)) - } else { - let location = self.elaborator.interner.expr_location(&id); - Err(InterpreterError::NonIntegerArrayLength { typ: length, location }) + let span = self.elaborator.interner.id_location(id).span; + match length.evaluate_to_u32(span) { + Ok(length) => { + let elements = (0..length).map(|_| element.clone()).collect(); + Ok(Value::Array(elements, typ)) + } + Err(err) => { + let err = Some(Box::new(err)); + let location = self.elaborator.interner.expr_location(&id); + Err(InterpreterError::NonIntegerArrayLength { typ: length, err, location }) + } } } } diff --git a/noir/noir-repo/compiler/noirc_frontend/src/hir/comptime/interpreter/builtin.rs b/noir/noir-repo/compiler/noirc_frontend/src/hir/comptime/interpreter/builtin.rs index d8842215a29..8a6c46ca50c 100644 --- a/noir/noir-repo/compiler/noirc_frontend/src/hir/comptime/interpreter/builtin.rs +++ b/noir/noir-repo/compiler/noirc_frontend/src/hir/comptime/interpreter/builtin.rs @@ -12,7 +12,7 @@ use builtin_helpers::{ }; use im::Vector; use iter_extended::{try_vecmap, vecmap}; -use noirc_errors::Location; +use noirc_errors::{Location, Span}; use num_bigint::BigUint; use rustc_hash::FxHashMap as HashMap; @@ -37,7 +37,7 @@ use crate::{ hir_def::{self}, node_interner::{DefinitionKind, NodeInterner, TraitImplKind}, parser::{Parser, StatementOrExpressionOrLValue}, - token::{Attribute, SecondaryAttribute, Token}, + token::{Attribute, Token}, Kind, QuotedType, ResolvedGeneric, Shared, Type, TypeVariable, }; @@ -230,7 +230,7 @@ impl<'local, 'context> Interpreter<'local, 'context> { "unresolved_type_is_bool" => unresolved_type_is_bool(interner, arguments, location), "unresolved_type_is_field" => unresolved_type_is_field(interner, arguments, location), "unresolved_type_is_unit" => unresolved_type_is_unit(interner, arguments, location), - "zeroed" => zeroed(return_type), + "zeroed" => zeroed(return_type, location.span), _ => { let item = format!("Comptime evaluation for builtin function {name}"); Err(InterpreterError::Unimplemented { item, location }) @@ -348,24 +348,9 @@ fn struct_def_add_attribute( let (self_argument, attribute) = check_two_arguments(arguments, location)?; let attribute_location = attribute.1; let attribute = get_str(interner, attribute)?; - - let mut tokens = lex(&format!("#[{}]", attribute)); - if tokens.len() != 1 { - return Err(InterpreterError::InvalidAttribute { - attribute: attribute.to_string(), - location: attribute_location, - }); - } - - let token = tokens.remove(0); - let Token::Attribute(attribute) = token else { - return Err(InterpreterError::InvalidAttribute { - attribute: attribute.to_string(), - location: attribute_location, - }); - }; - - let Attribute::Secondary(attribute) = attribute else { + let attribute = format!("#[{}]", attribute); + let mut parser = Parser::for_str(&attribute); + let Some((Attribute::Secondary(attribute), _span)) = parser.parse_attribute() else { return Err(InterpreterError::InvalidAttribute { attribute: attribute.to_string(), location: attribute_location, @@ -374,7 +359,7 @@ fn struct_def_add_attribute( let struct_id = get_struct(self_argument)?; interner.update_struct_attributes(struct_id, |attributes| { - attributes.push(attribute.clone()); + attributes.push(attribute); }); Ok(Value::Unit) @@ -710,7 +695,7 @@ fn quoted_as_expr( }, ); - option(return_type, value) + option(return_type, value, location.span) } // fn as_module(quoted: Quoted) -> Option @@ -737,7 +722,7 @@ fn quoted_as_module( module.map(Value::ModuleDefinition) }); - option(return_type, option_value) + option(return_type, option_value, location.span) } // fn as_trait_constraint(quoted: Quoted) -> TraitConstraint @@ -869,11 +854,22 @@ fn type_as_constant( return_type: Type, location: Location, ) -> IResult { - type_as(arguments, return_type, location, |typ| { + type_as_or_err(arguments, return_type, location, |typ| { // Prefer to use `evaluate_to_u32` over matching on `Type::Constant` // since arithmetic generics may be `Type::InfixExpr`s which evaluate to // constants but are not actually the `Type::Constant` variant. - typ.evaluate_to_u32().map(Value::U32) + match typ.evaluate_to_u32(location.span) { + Ok(constant) => Ok(Some(Value::U32(constant))), + Err(err) => { + // Evaluating to a non-constant returns 'None' in user code + if err.is_non_constant_evaluated() { + Ok(None) + } else { + let err = Some(Box::new(err)); + Err(InterpreterError::NonIntegerArrayLength { typ, err, location }) + } + } + } }) } @@ -979,7 +975,6 @@ fn type_as_tuple( }) } -// Helper function for implementing the `type_as_...` functions. fn type_as( arguments: Vec<(Value, Location)>, return_type: Type, @@ -988,13 +983,26 @@ fn type_as( ) -> IResult where F: FnOnce(Type) -> Option, +{ + type_as_or_err(arguments, return_type, location, |x| Ok(f(x))) +} + +// Helper function for implementing the `type_as_...` functions. +fn type_as_or_err( + arguments: Vec<(Value, Location)>, + return_type: Type, + location: Location, + f: F, +) -> IResult +where + F: FnOnce(Type) -> IResult>, { let value = check_one_argument(arguments, location)?; let typ = get_type(value)?.follow_bindings(); - let option_value = f(typ); + let option_value = f(typ)?; - option(return_type, option_value) + option(return_type, option_value, location.span) } // fn type_eq(_first: Type, _second: Type) -> bool @@ -1029,7 +1037,7 @@ fn type_get_trait_impl( _ => None, }; - option(return_type, option_value) + option(return_type, option_value, location.span) } // fn implements(self, constraint: TraitConstraint) -> bool @@ -1150,7 +1158,7 @@ fn typed_expr_as_function_definition( } else { None }; - option(return_type, option_value) + option(return_type, option_value, location.span) } // fn get_type(self) -> Option @@ -1172,7 +1180,7 @@ fn typed_expr_get_type( } else { None }; - option(return_type, option_value) + option(return_type, option_value, location.span) } // fn as_mutable_reference(self) -> Option @@ -1256,16 +1264,16 @@ where let option_value = f(typ); - option(return_type, option_value) + option(return_type, option_value, location.span) } // fn zeroed() -> T -fn zeroed(return_type: Type) -> IResult { +fn zeroed(return_type: Type, span: Span) -> IResult { match return_type { Type::FieldElement => Ok(Value::Field(0u128.into())), Type::Array(length_type, elem) => { - if let Some(length) = length_type.evaluate_to_u32() { - let element = zeroed(elem.as_ref().clone())?; + if let Ok(length) = length_type.evaluate_to_u32(span) { + let element = zeroed(elem.as_ref().clone(), span)?; let array = std::iter::repeat(element).take(length as usize).collect(); Ok(Value::Array(array, Type::Array(length_type, elem))) } else { @@ -1288,7 +1296,7 @@ fn zeroed(return_type: Type) -> IResult { }, Type::Bool => Ok(Value::Bool(false)), Type::String(length_type) => { - if let Some(length) = length_type.evaluate_to_u32() { + if let Ok(length) = length_type.evaluate_to_u32(span) { Ok(Value::String(Rc::new("\0".repeat(length as usize)))) } else { // Assume we can resolve the length later @@ -1296,9 +1304,9 @@ fn zeroed(return_type: Type) -> IResult { } } Type::FmtString(length_type, captures) => { - let length = length_type.evaluate_to_u32(); + let length = length_type.evaluate_to_u32(span); let typ = Type::FmtString(length_type, captures); - if let Some(length) = length { + if let Ok(length) = length { Ok(Value::FormatString(Rc::new("\0".repeat(length as usize)), typ)) } else { // Assume we can resolve the length later @@ -1306,26 +1314,27 @@ fn zeroed(return_type: Type) -> IResult { } } Type::Unit => Ok(Value::Unit), - Type::Tuple(fields) => Ok(Value::Tuple(try_vecmap(fields, zeroed)?)), + Type::Tuple(fields) => Ok(Value::Tuple(try_vecmap(fields, |field| zeroed(field, span))?)), Type::Struct(struct_type, generics) => { let fields = struct_type.borrow().get_fields(&generics); let mut values = HashMap::default(); for (field_name, field_type) in fields { - let field_value = zeroed(field_type)?; + let field_value = zeroed(field_type, span)?; values.insert(Rc::new(field_name), field_value); } let typ = Type::Struct(struct_type, generics); Ok(Value::Struct(values, typ)) } - Type::Alias(alias, generics) => zeroed(alias.borrow().get_type(&generics)), + Type::Alias(alias, generics) => zeroed(alias.borrow().get_type(&generics), span), + Type::CheckedCast { to, .. } => zeroed(*to, span), typ @ Type::Function(..) => { // Using Value::Zeroed here is probably safer than using FuncId::dummy_id() or similar Ok(Value::Zeroed(typ)) } Type::MutableReference(element) => { - let element = zeroed(*element)?; + let element = zeroed(*element, span)?; Ok(Value::Pointer(Shared::new(element), false)) } // Optimistically assume we can resolve this type later or that the value is unused @@ -1389,7 +1398,7 @@ fn expr_as_assert( let option_type = tuple_types.pop().unwrap(); let message = message.map(|msg| Value::expression(msg.kind)); - let message = option(option_type, message).ok()?; + let message = option(option_type, message, location.span).ok()?; Some(Value::Tuple(vec![predicate, message])) } else { @@ -1435,7 +1444,7 @@ fn expr_as_assert_eq( let option_type = tuple_types.pop().unwrap(); let message = message.map(|message| Value::expression(message.kind)); - let message = option(option_type, message).ok()?; + let message = option(option_type, message, location.span).ok()?; Some(Value::Tuple(vec![lhs, rhs, message])) } else { @@ -1611,7 +1620,7 @@ fn expr_as_constructor( None }; - option(return_type, option_value) + option(return_type, option_value, location.span) } // fn as_for(self) -> Option<(Quoted, Expr, Expr)> @@ -1705,6 +1714,7 @@ fn expr_as_if( let alternative = option( alternative_option_type, if_expr.alternative.map(|e| Value::expression(e.kind)), + location.span, ); Some(Value::Tuple(vec![ @@ -1793,7 +1803,7 @@ fn expr_as_lambda( } else { Some(Value::UnresolvedType(typ.typ)) }; - let typ = option(option_unresolved_type.clone(), typ).unwrap(); + let typ = option(option_unresolved_type.clone(), typ, location.span).unwrap(); Value::Tuple(vec![pattern, typ]) }) .collect(); @@ -1812,7 +1822,7 @@ fn expr_as_lambda( Some(return_type) }; let return_type = return_type.map(Value::UnresolvedType); - let return_type = option(option_unresolved_type, return_type).ok()?; + let return_type = option(option_unresolved_type, return_type, location.span).ok()?; let body = Value::expression(lambda.body.kind); @@ -1846,7 +1856,7 @@ fn expr_as_let( Some(Value::UnresolvedType(let_statement.r#type.typ)) }; - let typ = option(option_type, typ).ok()?; + let typ = option(option_type, typ, location.span).ok()?; Some(Value::Tuple(vec![ Value::pattern(let_statement.pattern), @@ -2098,7 +2108,7 @@ where let expr_value = unwrap_expr_value(interner, expr_value); let option_value = f(expr_value); - option(return_type, option_value) + option(return_type, option_value, location.span) } // fn resolve(self, in_function: Option) -> TypedExpr @@ -2225,17 +2235,9 @@ fn function_def_add_attribute( let (self_argument, attribute) = check_two_arguments(arguments, location)?; let attribute_location = attribute.1; let attribute = get_str(interpreter.elaborator.interner, attribute)?; - - let mut tokens = lex(&format!("#[{}]", attribute)); - if tokens.len() != 1 { - return Err(InterpreterError::InvalidAttribute { - attribute: attribute.to_string(), - location: attribute_location, - }); - } - - let token = tokens.remove(0); - let Token::Attribute(attribute) = token else { + let attribute = format!("#[{}]", attribute); + let mut parser = Parser::for_str(&attribute); + let Some((attribute, _span)) = parser.parse_attribute() else { return Err(InterpreterError::InvalidAttribute { attribute: attribute.to_string(), location: attribute_location, @@ -2249,21 +2251,13 @@ fn function_def_add_attribute( match &attribute { Attribute::Function(attribute) => { - function_modifiers.attributes.function = Some(attribute.clone()); + function_modifiers.attributes.set_function(attribute.clone()); } Attribute::Secondary(attribute) => { function_modifiers.attributes.secondary.push(attribute.clone()); } } - if let Attribute::Secondary( - SecondaryAttribute::Tag(attribute) | SecondaryAttribute::Meta(attribute), - ) = attribute - { - let func_meta = interpreter.elaborator.interner.function_meta_mut(&func_id); - func_meta.custom_attributes.push(attribute); - } - Ok(Value::Unit) } @@ -2295,7 +2289,7 @@ fn function_def_has_named_attribute( let name = &*get_str(interner, name)?; let modifiers = interner.function_modifiers(&func_id); - if let Some(attribute) = &modifiers.attributes.function { + if let Some(attribute) = modifiers.attributes.function() { if name == attribute.name() { return Ok(Value::Bool(true)); } @@ -2764,12 +2758,12 @@ fn trait_def_as_trait_constraint( /// Creates a value that holds an `Option`. /// `option_type` must be a Type referencing the `Option` type. -pub(crate) fn option(option_type: Type, value: Option) -> IResult { +pub(crate) fn option(option_type: Type, value: Option, span: Span) -> IResult { let t = extract_option_generic_type(option_type.clone()); let (is_some, value) = match value { Some(value) => (Value::Bool(true), value), - None => (Value::Bool(false), zeroed(t)?), + None => (Value::Bool(false), zeroed(t, span)?), }; let mut fields = HashMap::default(); @@ -2818,9 +2812,10 @@ fn derive_generators( _ => panic!("ICE: Should only have an array return type"), }; - let Some(num_generators) = size.evaluate_to_u32() else { - return Err(InterpreterError::UnknownArrayLength { length: *size, location }); - }; + let num_generators = size.evaluate_to_u32(location.span).map_err(|err| { + let err = Box::new(err); + InterpreterError::UnknownArrayLength { length: *size, err, location } + })?; let generators = bn254_blackbox_solver::derive_generators( &domain_separator_string, diff --git a/noir/noir-repo/compiler/noirc_frontend/src/hir/def_collector/dc_crate.rs b/noir/noir-repo/compiler/noirc_frontend/src/hir/def_collector/dc_crate.rs index 20c162fbd3a..51e62599b05 100644 --- a/noir/noir-repo/compiler/noirc_frontend/src/hir/def_collector/dc_crate.rs +++ b/noir/noir-repo/compiler/noirc_frontend/src/hir/def_collector/dc_crate.rs @@ -5,13 +5,13 @@ use crate::graph::CrateId; use crate::hir::comptime::InterpreterError; use crate::hir::def_map::{CrateDefMap, LocalModuleId, ModuleId}; use crate::hir::resolution::errors::ResolverError; -use crate::hir::resolution::path_resolver; use crate::hir::type_check::TypeCheckError; +use crate::locations::ReferencesTracker; use crate::token::SecondaryAttribute; use crate::usage_tracker::UnusedItem; use crate::{Generics, Type}; -use crate::hir::resolution::import::{resolve_import, ImportDirective, PathResolution}; +use crate::hir::resolution::import::{resolve_import, ImportDirective}; use crate::hir::Context; use crate::ast::Expression; @@ -347,43 +347,23 @@ impl DefCollector { // Resolve unresolved imports collected from the crate, one by one. for collected_import in std::mem::take(&mut def_collector.imports) { - let module_id = collected_import.module_id; - let resolved_import = if context.def_interner.lsp_mode { - let mut references: Vec = Vec::new(); - let resolved_import = resolve_import( - crate_id, - &collected_import, - &context.def_maps, - &mut context.def_interner.usage_tracker, - &mut Some(&mut references), - ); - - let current_def_map = context.def_maps.get(&crate_id).unwrap(); - let file_id = current_def_map.file_id(module_id); + let local_module_id = collected_import.module_id; + let module_id = ModuleId { krate: crate_id, local_id: local_module_id }; + let current_def_map = context.def_maps.get(&crate_id).unwrap(); + let file_id = current_def_map.file_id(local_module_id); + + let resolved_import = resolve_import( + collected_import.path.clone(), + module_id, + &context.def_maps, + &mut context.usage_tracker, + Some(ReferencesTracker::new(&mut context.def_interner, file_id)), + ); - for (referenced, segment) in references.iter().zip(&collected_import.path.segments) - { - context.def_interner.add_reference( - *referenced, - Location::new(segment.ident.span(), file_id), - false, - ); - } - - resolved_import - } else { - resolve_import( - crate_id, - &collected_import, - &context.def_maps, - &mut context.def_interner.usage_tracker, - &mut None, - ) - }; match resolved_import { Ok(resolved_import) => { let current_def_map = context.def_maps.get_mut(&crate_id).unwrap(); - let file_id = current_def_map.file_id(module_id); + let file_id = current_def_map.file_id(local_module_id); let has_path_resolution_error = !resolved_import.errors.is_empty(); for error in resolved_import.errors { @@ -394,11 +374,11 @@ impl DefCollector { } // Populate module namespaces according to the imports used - let name = resolved_import.name; + let name = collected_import.name(); let visibility = collected_import.visibility; - let is_prelude = resolved_import.is_prelude; + let is_prelude = collected_import.is_prelude; for (module_def_id, item_visibility, _) in - resolved_import.resolved_namespace.iter_items() + resolved_import.namespace.iter_items() { if item_visibility < visibility { errors.push(( @@ -412,25 +392,26 @@ impl DefCollector { } let visibility = visibility.min(item_visibility); - let result = current_def_map.modules[resolved_import.module_scope.0] - .import(name.clone(), visibility, module_def_id, is_prelude); + let result = current_def_map.modules[local_module_id.0].import( + name.clone(), + visibility, + module_def_id, + is_prelude, + ); // If we error on path resolution don't also say it's unused (in case it ends up being unused) if !has_path_resolution_error { - let module_id = ModuleId { - krate: crate_id, - local_id: resolved_import.module_scope, - }; - context.def_interner.usage_tracker.add_unused_item( - module_id, + let defining_module = + ModuleId { krate: crate_id, local_id: local_module_id }; + + context.usage_tracker.add_unused_item( + defining_module, name.clone(), UnusedItem::Import, visibility, ); if visibility != ItemVisibility::Private { - let local_id = resolved_import.module_scope; - let defining_module = ModuleId { krate: crate_id, local_id }; context.def_interner.register_name_for_auto_import( name.to_string(), module_def_id, @@ -440,14 +421,6 @@ impl DefCollector { } } - let last_segment = collected_import.path.last_ident(); - - add_import_reference( - module_def_id, - &last_segment, - &mut context.def_interner, - file_id, - ); if let Some(ref alias) = collected_import.alias { add_import_reference( module_def_id, @@ -501,7 +474,7 @@ impl DefCollector { crate_id: CrateId, errors: &mut Vec<(CompilationError, FileId)>, ) { - let unused_imports = context.def_interner.unused_items().iter(); + let unused_imports = context.usage_tracker.unused_items().iter(); let unused_imports = unused_imports.filter(|(module_id, _)| module_id.krate == crate_id); errors.extend(unused_imports.flat_map(|(module_id, usage_tracker)| { @@ -556,16 +529,18 @@ fn inject_prelude( span: Span::default(), }; - if let Ok(PathResolution { item, errors }) = path_resolver::resolve_path( - &context.def_maps, - ModuleId { krate: crate_id, local_id: crate_root }, - None, + if let Ok(resolved_import) = resolve_import( path, - &mut context.def_interner.usage_tracker, - &mut None, + ModuleId { krate: crate_id, local_id: crate_root }, + &context.def_maps, + &mut context.usage_tracker, + None, // references tracker ) { - assert!(errors.is_empty(), "Tried to add private item to prelude"); - let module_id = item.module_id().expect("std::prelude should be a module"); + assert!(resolved_import.errors.is_empty(), "Tried to add private item to prelude"); + + let (module_def_id, _, _) = + resolved_import.namespace.types.expect("couldn't resolve std::prelude"); + let module_id = module_def_id.as_module().expect("std::prelude should be a module"); let prelude = context.module(module_id).scope().names(); for path in prelude { @@ -577,7 +552,6 @@ fn inject_prelude( ImportDirective { visibility: ItemVisibility::Private, module_id: crate_root, - self_type_module_id: None, path: Path { segments, kind: PathKind::Plain, span: Span::default() }, alias: None, is_prelude: true, diff --git a/noir/noir-repo/compiler/noirc_frontend/src/hir/def_collector/dc_mod.rs b/noir/noir-repo/compiler/noirc_frontend/src/hir/def_collector/dc_mod.rs index 825a8414fe0..a373441b4e0 100644 --- a/noir/noir-repo/compiler/noirc_frontend/src/hir/def_collector/dc_mod.rs +++ b/noir/noir-repo/compiler/noirc_frontend/src/hir/def_collector/dc_mod.rs @@ -18,7 +18,7 @@ use crate::ast::{ use crate::hir::resolution::errors::ResolverError; use crate::node_interner::{ModuleAttributes, NodeInterner, ReferenceId, StructId}; use crate::token::SecondaryAttribute; -use crate::usage_tracker::UnusedItem; +use crate::usage_tracker::{UnusedItem, UsageTracker}; use crate::{ graph::CrateId, hir::def_collector::dc_crate::{UnresolvedStruct, UnresolvedTrait}, @@ -81,7 +81,6 @@ pub fn collect_defs( collector.def_collector.imports.push(ImportDirective { visibility: import.visibility, module_id: collector.module_id, - self_type_module_id: None, path: import.path, alias: import.alias, is_prelude: false, @@ -147,6 +146,7 @@ impl<'a> ModCollector<'a> { let (global, error) = collect_global( &mut context.def_interner, &mut self.def_collector.def_map, + &mut context.usage_tracker, global, visibility, self.file_id, @@ -246,6 +246,7 @@ impl<'a> ModCollector<'a> { let Some(func_id) = collect_function( &mut context.def_interner, &mut self.def_collector.def_map, + &mut context.usage_tracker, &function.item, module, self.file_id, @@ -282,6 +283,7 @@ impl<'a> ModCollector<'a> { if let Some((id, the_struct)) = collect_struct( &mut context.def_interner, &mut self.def_collector.def_map, + &mut context.usage_tracker, struct_definition, self.file_id, self.module_id, @@ -336,7 +338,7 @@ impl<'a> ModCollector<'a> { ); let parent_module_id = ModuleId { krate, local_id: self.module_id }; - context.def_interner.usage_tracker.add_unused_item( + context.usage_tracker.add_unused_item( parent_module_id, name.clone(), UnusedItem::TypeAlias(type_alias_id), @@ -412,7 +414,7 @@ impl<'a> ModCollector<'a> { ); let parent_module_id = ModuleId { krate, local_id: self.module_id }; - context.def_interner.usage_tracker.add_unused_item( + context.usage_tracker.add_unused_item( parent_module_id, name.clone(), UnusedItem::Trait(trait_id), @@ -539,7 +541,7 @@ impl<'a> ModCollector<'a> { name: Rc::new(name.to_string()), type_var: TypeVariable::unbound( type_variable_id, - Kind::Numeric(Box::new(typ)), + Kind::numeric(typ), ), span: name.span(), }); @@ -897,9 +899,11 @@ fn push_child_module( Ok(mod_id) } +#[allow(clippy::too_many_arguments)] pub fn collect_function( interner: &mut NodeInterner, def_map: &mut CrateDefMap, + usage_tracker: &mut UsageTracker, function: &NoirFunction, module: ModuleId, file: FileId, @@ -932,7 +936,7 @@ pub fn collect_function( if !is_test && !is_entry_point_function { let item = UnusedItem::Function(func_id); - interner.usage_tracker.add_unused_item(module, name.clone(), item, visibility); + usage_tracker.add_unused_item(module, name.clone(), item, visibility); } interner.set_doc_comments(ReferenceId::Function(func_id), doc_comments); @@ -950,9 +954,11 @@ pub fn collect_function( Some(func_id) } +#[allow(clippy::too_many_arguments)] pub fn collect_struct( interner: &mut NodeInterner, def_map: &mut CrateDefMap, + usage_tracker: &mut UsageTracker, struct_definition: Documented, file_id: FileId, module_id: LocalModuleId, @@ -1015,7 +1021,7 @@ pub fn collect_struct( let parent_module_id = ModuleId { krate, local_id: module_id }; if !unresolved.struct_def.is_abi() { - interner.usage_tracker.add_unused_item( + usage_tracker.add_unused_item( parent_module_id, name.clone(), UnusedItem::Struct(id), @@ -1191,9 +1197,11 @@ pub(crate) fn collect_trait_impl_items( (unresolved_functions, associated_types, associated_constants) } +#[allow(clippy::too_many_arguments)] pub(crate) fn collect_global( interner: &mut NodeInterner, def_map: &mut CrateDefMap, + usage_tracker: &mut UsageTracker, global: Documented, visibility: ItemVisibility, file_id: FileId, @@ -1221,7 +1229,7 @@ pub(crate) fn collect_global( if !is_abi { let parent_module_id = ModuleId { krate: crate_id, local_id: module_id }; - interner.usage_tracker.add_unused_item( + usage_tracker.add_unused_item( parent_module_id, name, UnusedItem::Global(global_id), diff --git a/noir/noir-repo/compiler/noirc_frontend/src/hir/def_map/mod.rs b/noir/noir-repo/compiler/noirc_frontend/src/hir/def_map/mod.rs index 60ee2c52842..de94f73b44b 100644 --- a/noir/noir-repo/compiler/noirc_frontend/src/hir/def_map/mod.rs +++ b/noir/noir-repo/compiler/noirc_frontend/src/hir/def_map/mod.rs @@ -169,7 +169,7 @@ impl CrateDefMap { module.value_definitions().filter_map(|id| { if let Some(func_id) = id.as_function() { let attributes = interner.function_attributes(&func_id); - match &attributes.function { + match attributes.function() { Some(FunctionAttribute::Test(scope)) => { let location = interner.function_meta(&func_id).name.location; Some(TestFunction::new(func_id, scope.clone(), location)) diff --git a/noir/noir-repo/compiler/noirc_frontend/src/hir/mod.rs b/noir/noir-repo/compiler/noirc_frontend/src/hir/mod.rs index 015b7deb6e0..2bd1a852f05 100644 --- a/noir/noir-repo/compiler/noirc_frontend/src/hir/mod.rs +++ b/noir/noir-repo/compiler/noirc_frontend/src/hir/mod.rs @@ -11,6 +11,7 @@ use crate::graph::{CrateGraph, CrateId}; use crate::hir_def::function::FuncMeta; use crate::node_interner::{FuncId, NodeInterner, StructId}; use crate::parser::ParserError; +use crate::usage_tracker::UsageTracker; use crate::{Generics, Kind, ParsedModule, ResolvedGeneric, TypeVariable}; use def_collector::dc_crate::CompilationError; use def_map::{Contract, CrateDefMap}; @@ -33,6 +34,7 @@ pub struct Context<'file_manager, 'parsed_files> { pub def_interner: NodeInterner, pub crate_graph: CrateGraph, pub def_maps: BTreeMap, + pub usage_tracker: UsageTracker, // In the WASM context, we take ownership of the file manager, // which is why this needs to be a Cow. In all use-cases, the file manager // is read-only however, once it has been passed to the Context. @@ -64,6 +66,7 @@ impl Context<'_, '_> { Context { def_interner: NodeInterner::default(), def_maps: BTreeMap::new(), + usage_tracker: UsageTracker::default(), visited_files: BTreeMap::new(), crate_graph: CrateGraph::default(), file_manager: Cow::Owned(file_manager), @@ -80,6 +83,7 @@ impl Context<'_, '_> { Context { def_interner: NodeInterner::default(), def_maps: BTreeMap::new(), + usage_tracker: UsageTracker::default(), visited_files: BTreeMap::new(), crate_graph: CrateGraph::default(), file_manager: Cow::Borrowed(file_manager), diff --git a/noir/noir-repo/compiler/noirc_frontend/src/hir/resolution/errors.rs b/noir/noir-repo/compiler/noirc_frontend/src/hir/resolution/errors.rs index e1e60daff60..a170cb7c71c 100644 --- a/noir/noir-repo/compiler/noirc_frontend/src/hir/resolution/errors.rs +++ b/noir/noir-repo/compiler/noirc_frontend/src/hir/resolution/errors.rs @@ -5,7 +5,7 @@ use thiserror::Error; use crate::{ ast::{Ident, UnsupportedNumericGenericType}, - hir::comptime::InterpreterError, + hir::{comptime::InterpreterError, type_check::TypeCheckError}, parser::ParserError, usage_tracker::UnusedItem, Type, @@ -127,11 +127,12 @@ pub enum ResolverError { NamedTypeArgs { span: Span, item_kind: &'static str }, #[error("Associated constants may only be a field or integer type")] AssociatedConstantsMustBeNumeric { span: Span }, - #[error("Overflow in `{lhs} {op} {rhs}`")] - OverflowInType { + #[error("Computing `{lhs} {op} {rhs}` failed with error {err}")] + BinaryOpError { lhs: FieldElement, op: crate::BinaryTypeOperator, rhs: FieldElement, + err: Box, span: Span, }, #[error("`quote` cannot be used in runtime code")] @@ -534,10 +535,10 @@ impl<'a> From<&'a ResolverError> for Diagnostic { *span, ) } - ResolverError::OverflowInType { lhs, op, rhs, span } => { + ResolverError::BinaryOpError { lhs, op, rhs, err, span } => { Diagnostic::simple_error( - format!("Overflow in `{lhs} {op} {rhs}`"), - "Overflow here".to_string(), + format!("Computing `{lhs} {op} {rhs}` failed with error {err}"), + String::new(), *span, ) } diff --git a/noir/noir-repo/compiler/noirc_frontend/src/hir/resolution/import.rs b/noir/noir-repo/compiler/noirc_frontend/src/hir/resolution/import.rs index 58a3a841801..376b85bfbd9 100644 --- a/noir/noir-repo/compiler/noirc_frontend/src/hir/resolution/import.rs +++ b/noir/noir-repo/compiler/noirc_frontend/src/hir/resolution/import.rs @@ -4,106 +4,37 @@ use thiserror::Error; use crate::graph::CrateId; use crate::hir::def_collector::dc_crate::CompilationError; -use crate::node_interner::{FuncId, GlobalId, ReferenceId, StructId, TraitId, TypeAliasId}; +use crate::locations::ReferencesTracker; use crate::usage_tracker::UsageTracker; use std::collections::BTreeMap; -use crate::ast::{Ident, ItemVisibility, Path, PathKind, PathSegment, UnresolvedType}; -use crate::hir::def_map::{CrateDefMap, LocalModuleId, ModuleDefId, ModuleId, PerNs}; +use crate::ast::{Ident, ItemVisibility, Path, PathKind}; +use crate::hir::def_map::{CrateDefMap, LocalModuleId, ModuleData, ModuleDefId, ModuleId, PerNs}; use super::errors::ResolverError; -use super::visibility::can_reference_module_id; +use super::visibility::item_in_module_is_visible; #[derive(Debug, Clone)] pub struct ImportDirective { pub visibility: ItemVisibility, pub module_id: LocalModuleId, - pub self_type_module_id: Option, pub path: Path, pub alias: Option, pub is_prelude: bool, } -struct NamespaceResolution { - module_id: ModuleId, - item: PathResolutionItem, - namespace: PerNs, - errors: Vec, -} - -type NamespaceResolutionResult = Result; - -#[derive(Debug)] -pub struct PathResolution { - pub item: PathResolutionItem, - pub errors: Vec, -} - -/// All possible items that result from resolving a Path. -/// Note that this item doesn't include the last turbofish in a Path, -/// only intermediate ones, if any. -#[derive(Debug, Clone)] -pub enum PathResolutionItem { - Module(ModuleId), - Struct(StructId), - TypeAlias(TypeAliasId), - Trait(TraitId), - Global(GlobalId), - ModuleFunction(FuncId), - StructFunction(StructId, Option, FuncId), - TypeAliasFunction(TypeAliasId, Option, FuncId), - TraitFunction(TraitId, Option, FuncId), -} - -impl PathResolutionItem { - pub fn function_id(&self) -> Option { - match self { - PathResolutionItem::ModuleFunction(func_id) - | PathResolutionItem::StructFunction(_, _, func_id) - | PathResolutionItem::TypeAliasFunction(_, _, func_id) - | PathResolutionItem::TraitFunction(_, _, func_id) => Some(*func_id), - _ => None, - } - } - - pub fn module_id(&self) -> Option { - match self { - Self::Module(module_id) => Some(*module_id), - _ => None, - } - } - - pub fn description(&self) -> &'static str { - match self { - PathResolutionItem::Module(..) => "module", - PathResolutionItem::Struct(..) => "type", - PathResolutionItem::TypeAlias(..) => "type alias", - PathResolutionItem::Trait(..) => "trait", - PathResolutionItem::Global(..) => "global", - PathResolutionItem::ModuleFunction(..) - | PathResolutionItem::StructFunction(..) - | PathResolutionItem::TypeAliasFunction(..) - | PathResolutionItem::TraitFunction(..) => "function", +impl ImportDirective { + /// Returns the name that's brought into scope: either the alias or the last segment of the path + pub fn name(&self) -> Ident { + match &self.alias { + None => self.path.last_ident(), + Some(ident) => ident.clone(), } } } -#[derive(Debug, Clone)] -pub struct Turbofish { - pub generics: Vec, - pub span: Span, -} - -/// Any item that can appear before the last segment in a path. -#[derive(Debug)] -enum IntermediatePathResolutionItem { - Module(ModuleId), - Struct(StructId, Option), - Trait(TraitId, Option), -} - -pub(crate) type PathResolutionResult = Result; +type ImportResolutionResult = Result; #[derive(Debug, Clone, PartialEq, Eq, Error)] pub enum PathResolutionError { @@ -115,19 +46,15 @@ pub enum PathResolutionError { NoSuper(Span), #[error("turbofish (`::<_>`) not allowed on {item}")] TurbofishNotAllowedOnItem { item: String, span: Span }, + #[error("{ident} is a {kind}, not a module")] + NotAModule { ident: Ident, kind: &'static str }, } #[derive(Debug)] pub struct ResolvedImport { - // name of the namespace, either last path segment or an alias - pub name: Ident, // The symbol which we have resolved to - pub resolved_namespace: PerNs, - // The item which we have resolved to - pub item: PathResolutionItem, + pub namespace: PerNs, // The module which we must add the resolved namespace to - pub module_scope: LocalModuleId, - pub is_prelude: bool, pub errors: Vec, } @@ -155,406 +82,255 @@ impl<'a> From<&'a PathResolutionError> for CustomDiagnostic { PathResolutionError::TurbofishNotAllowedOnItem { item: _, span } => { CustomDiagnostic::simple_error(error.to_string(), String::new(), *span) } + PathResolutionError::NotAModule { ident, kind: _ } => { + CustomDiagnostic::simple_error(error.to_string(), String::new(), ident.span()) + } } } } +/// Resolves a Path in a `use` statement, assuming it's located in `importing_module`. +/// +/// If the imported name can't be found, `Err` will be returned. If it can be found, `Ok` +/// will be returned with a potential list of errors if, for example, one of the segments +/// is not accessible from the importing module (e.g. because it's private). pub fn resolve_import( - crate_id: CrateId, - import_directive: &ImportDirective, + path: Path, + importing_module: ModuleId, def_maps: &BTreeMap, usage_tracker: &mut UsageTracker, - path_references: &mut Option<&mut Vec>, -) -> Result { - let module_scope = import_directive.module_id; - let NamespaceResolution { - module_id: resolved_module, - item, - namespace: resolved_namespace, - mut errors, - } = resolve_path_to_ns( - import_directive, - crate_id, - crate_id, - def_maps, - usage_tracker, - path_references, - )?; - - let name = resolve_path_name(import_directive); - - let visibility = resolved_namespace - .values - .or(resolved_namespace.types) - .map(|(_, visibility, _)| visibility) - .expect("Found empty namespace"); - - if !(import_directive.self_type_module_id == Some(resolved_module) - || can_reference_module_id( - def_maps, - crate_id, - import_directive.module_id, - resolved_module, - visibility, - )) - { - errors.push(PathResolutionError::Private(name.clone())); - } - - Ok(ResolvedImport { - name, - resolved_namespace, - item, - module_scope, - is_prelude: import_directive.is_prelude, - errors, - }) + references_tracker: Option, +) -> ImportResolutionResult { + let (path, module_id, references_tracker) = + resolve_path_kind(path, importing_module, def_maps, references_tracker)?; + let mut solver = + ImportSolver::new(importing_module, def_maps, usage_tracker, references_tracker); + solver.resolve_name_in_module(path, module_id) } -fn resolve_path_to_ns( - import_directive: &ImportDirective, - crate_id: CrateId, - importing_crate: CrateId, +/// Given a Path and a ModuleId it's being used in, this function returns a plain Path +/// and a ModuleId where that plain Path should be resolved. That is, this method will +/// resolve the Path kind and translate it to a plain path. +/// +/// The third value in the tuple is a reference tracker that must be passed to this +/// method, which is used in case the path kind is `dep`: the segment after `dep` +/// will be linked to the root module of the external dependency. +pub fn resolve_path_kind<'r>( + path: Path, + importing_module: ModuleId, def_maps: &BTreeMap, - usage_tracker: &mut UsageTracker, - path_references: &mut Option<&mut Vec>, -) -> NamespaceResolutionResult { - let import_path = &import_directive.path.segments; - - match import_directive.path.kind { - crate::ast::PathKind::Crate => { - // Resolve from the root of the crate - resolve_path_from_crate_root( - crate_id, - importing_crate, - import_path, - def_maps, - usage_tracker, - path_references, - ) + references_tracker: Option>, +) -> Result<(Path, ModuleId, Option>), PathResolutionError> { + let mut solver = + PathResolutionTargetResolver { importing_module, def_maps, references_tracker }; + let (path, module_id) = solver.resolve(path)?; + Ok((path, module_id, solver.references_tracker)) +} + +struct PathResolutionTargetResolver<'def_maps, 'references_tracker> { + importing_module: ModuleId, + def_maps: &'def_maps BTreeMap, + references_tracker: Option>, +} + +impl<'def_maps, 'references_tracker> PathResolutionTargetResolver<'def_maps, 'references_tracker> { + fn resolve(&mut self, path: Path) -> Result<(Path, ModuleId), PathResolutionError> { + match path.kind { + PathKind::Crate => self.resolve_crate_path(path), + PathKind::Plain => self.resolve_plain_path(path, self.importing_module), + PathKind::Dep => self.resolve_dep_path(path), + PathKind::Super => self.resolve_super_path(path), } - crate::ast::PathKind::Plain => { - // There is a possibility that the import path is empty - // In that case, early return - if import_path.is_empty() { - return resolve_name_in_module( - crate_id, - importing_crate, - import_path, - import_directive.module_id, - def_maps, - true, // plain or crate - usage_tracker, - path_references, - ); - } + } - let def_map = &def_maps[&crate_id]; - let current_mod_id = ModuleId { krate: crate_id, local_id: import_directive.module_id }; - let current_mod = &def_map.modules[current_mod_id.local_id.0]; - let first_segment = - &import_path.first().expect("ice: could not fetch first segment").ident; - if current_mod.find_name(first_segment).is_none() { - // Resolve externally when first segment is unresolved - return resolve_external_dep( - crate_id, - // def_map, - import_directive, - def_maps, - usage_tracker, - path_references, - importing_crate, - ); - } + fn resolve_crate_path(&mut self, path: Path) -> Result<(Path, ModuleId), PathResolutionError> { + let root_module = self.def_maps[&self.importing_module.krate].root; + let current_module = ModuleId { krate: self.importing_module.krate, local_id: root_module }; + Ok((path, current_module)) + } - resolve_name_in_module( - crate_id, - importing_crate, - import_path, - import_directive.module_id, - def_maps, - true, // plain or crate - usage_tracker, - path_references, - ) + fn resolve_plain_path( + &mut self, + path: Path, + current_module: ModuleId, + ) -> Result<(Path, ModuleId), PathResolutionError> { + // There is a possibility that the import path is empty. In that case, early return. + // This happens on import statements such as `use crate` or `use std`. + if path.segments.is_empty() { + return Ok((path, current_module)); } - crate::ast::PathKind::Dep => resolve_external_dep( - crate_id, - import_directive, - def_maps, - usage_tracker, - path_references, - importing_crate, - ), - - crate::ast::PathKind::Super => { - if let Some(parent_module_id) = - def_maps[&crate_id].modules[import_directive.module_id.0].parent - { - resolve_name_in_module( - crate_id, - importing_crate, - import_path, - parent_module_id, - def_maps, - false, // plain or crate - usage_tracker, - path_references, - ) - } else { - let span_start = import_directive.path.span().start(); - let span = Span::from(span_start..span_start + 5); // 5 == "super".len() - Err(PathResolutionError::NoSuper(span)) - } + let first_segment = + &path.segments.first().expect("ice: could not fetch first segment").ident; + if get_module(self.def_maps, current_module).find_name(first_segment).is_none() { + // Resolve externally when first segment is unresolved + return self.resolve_dep_path(path); } + + Ok((path, current_module)) } -} -fn resolve_path_from_crate_root( - crate_id: CrateId, - importing_crate: CrateId, + fn resolve_dep_path( + &mut self, + mut path: Path, + ) -> Result<(Path, ModuleId), PathResolutionError> { + // Use extern_prelude to get the dep + let current_def_map = &self.def_maps[&self.importing_module.krate]; + + // Fetch the root module from the prelude + let crate_name = &path.segments.first().unwrap().ident; + let dep_module = current_def_map + .extern_prelude + .get(&crate_name.0.contents) + .ok_or_else(|| PathResolutionError::Unresolved(crate_name.to_owned()))?; + + if let Some(references_tracker) = &mut self.references_tracker { + let span = crate_name.span(); + references_tracker.add_reference(ModuleDefId::ModuleId(*dep_module), span, false); + } - import_path: &[PathSegment], - def_maps: &BTreeMap, - usage_tracker: &mut UsageTracker, - path_references: &mut Option<&mut Vec>, -) -> NamespaceResolutionResult { - let starting_mod = def_maps[&crate_id].root; - resolve_name_in_module( - crate_id, - importing_crate, - import_path, - starting_mod, - def_maps, - true, // plain or crate - usage_tracker, - path_references, - ) -} + // Now the path can be solved starting from the second segment as a plain path + path.kind = PathKind::Plain; + path.segments.remove(0); -#[allow(clippy::too_many_arguments)] -fn resolve_name_in_module( - krate: CrateId, - importing_crate: CrateId, - import_path: &[PathSegment], - starting_mod: LocalModuleId, - def_maps: &BTreeMap, - plain_or_crate: bool, - usage_tracker: &mut UsageTracker, - path_references: &mut Option<&mut Vec>, -) -> NamespaceResolutionResult { - let def_map = &def_maps[&krate]; - let mut current_mod_id = ModuleId { krate, local_id: starting_mod }; - let mut current_mod = &def_map.modules[current_mod_id.local_id.0]; - - let mut intermediate_item = IntermediatePathResolutionItem::Module(current_mod_id); - - // There is a possibility that the import path is empty - // In that case, early return - if import_path.is_empty() { - return Ok(NamespaceResolution { - module_id: current_mod_id, - item: PathResolutionItem::Module(current_mod_id), - namespace: PerNs::types(current_mod_id.into()), - errors: Vec::new(), - }); + Ok((path, *dep_module)) } - let first_segment = &import_path.first().expect("ice: could not fetch first segment").ident; - let mut current_ns = current_mod.find_name(first_segment); - if current_ns.is_none() { - return Err(PathResolutionError::Unresolved(first_segment.clone())); + fn resolve_super_path(&mut self, path: Path) -> Result<(Path, ModuleId), PathResolutionError> { + let Some(parent_module_id) = get_module(self.def_maps, self.importing_module).parent else { + let span_start = path.span.start(); + let span = Span::from(span_start..span_start + 5); // 5 == "super".len() + return Err(PathResolutionError::NoSuper(span)); + }; + + let current_module = + ModuleId { krate: self.importing_module.krate, local_id: parent_module_id }; + Ok((path, current_module)) + } +} + +struct ImportSolver<'def_maps, 'usage_tracker, 'references_tracker> { + importing_module: ModuleId, + def_maps: &'def_maps BTreeMap, + usage_tracker: &'usage_tracker mut UsageTracker, + references_tracker: Option>, +} + +impl<'def_maps, 'usage_tracker, 'references_tracker> + ImportSolver<'def_maps, 'usage_tracker, 'references_tracker> +{ + fn new( + importing_module: ModuleId, + def_maps: &'def_maps BTreeMap, + usage_tracker: &'usage_tracker mut UsageTracker, + references_tracker: Option>, + ) -> Self { + Self { importing_module, def_maps, usage_tracker, references_tracker } } - usage_tracker.mark_as_referenced(current_mod_id, first_segment); + fn resolve_name_in_module( + &mut self, + path: Path, + starting_module: ModuleId, + ) -> ImportResolutionResult { + // There is a possibility that the import path is empty. In that case, early return. + if path.segments.is_empty() { + return Ok(ResolvedImport { + namespace: PerNs::types(starting_module.into()), + errors: Vec::new(), + }); + } - let mut errors = Vec::new(); - for (index, (last_segment, current_segment)) in - import_path.iter().zip(import_path.iter().skip(1)).enumerate() - { - let last_ident = &last_segment.ident; - let current_ident = ¤t_segment.ident; - let last_segment_generics = &last_segment.generics; + let plain_or_crate = matches!(path.kind, PathKind::Plain | PathKind::Crate); - let (typ, visibility) = match current_ns.types { - None => return Err(PathResolutionError::Unresolved(last_ident.clone())), - Some((typ, visibility, _)) => (typ, visibility), - }; + // The current module and module ID as we resolve path segments + let mut current_module_id = starting_module; + let mut current_module = get_module(self.def_maps, starting_module); - // In the type namespace, only Mod can be used in a path. - (current_mod_id, intermediate_item) = match typ { - ModuleDefId::ModuleId(id) => { - if let Some(path_references) = path_references { - path_references.push(ReferenceId::Module(id)); - } + let first_segment = + &path.segments.first().expect("ice: could not fetch first segment").ident; + let mut current_ns = current_module.find_name(first_segment); + if current_ns.is_none() { + return Err(PathResolutionError::Unresolved(first_segment.clone())); + } + + self.usage_tracker.mark_as_referenced(current_module_id, first_segment); - if last_segment_generics.is_some() { - errors.push(PathResolutionError::TurbofishNotAllowedOnItem { - item: format!("module `{last_ident}`"), - span: last_segment.turbofish_span(), + let mut errors = Vec::new(); + for (index, (last_segment, current_segment)) in + path.segments.iter().zip(path.segments.iter().skip(1)).enumerate() + { + let last_ident = &last_segment.ident; + let current_ident = ¤t_segment.ident; + + let (typ, visibility) = match current_ns.types { + None => return Err(PathResolutionError::Unresolved(last_ident.clone())), + Some((typ, visibility, _)) => (typ, visibility), + }; + + self.add_reference(typ, last_segment.span, last_segment.ident.is_self_type_name()); + + // In the type namespace, only Mod can be used in a path. + current_module_id = match typ { + ModuleDefId::ModuleId(id) => id, + ModuleDefId::TypeId(id) => id.module_id(), + ModuleDefId::TypeAliasId(..) => { + return Err(PathResolutionError::NotAModule { + ident: last_segment.ident.clone(), + kind: "type alias", }); } - - (id, IntermediatePathResolutionItem::Module(id)) + ModuleDefId::TraitId(id) => id.0, + ModuleDefId::FunctionId(_) => panic!("functions cannot be in the type namespace"), + ModuleDefId::GlobalId(_) => panic!("globals cannot be in the type namespace"), + }; + + // If the path is plain or crate, the first segment will always refer to + // something that's visible from the current module. + if !((plain_or_crate && index == 0) + || self.item_in_module_is_visible(current_module_id, visibility)) + { + errors.push(PathResolutionError::Private(last_ident.clone())); } - ModuleDefId::FunctionId(_) => panic!("functions cannot be in the type namespace"), - // TODO: If impls are ever implemented, types can be used in a path - ModuleDefId::TypeId(id) => { - if let Some(path_references) = path_references { - path_references.push(ReferenceId::Struct(id)); - } - ( - id.module_id(), - IntermediatePathResolutionItem::Struct( - id, - last_segment_generics.as_ref().map(|generics| Turbofish { - generics: generics.clone(), - span: last_segment.turbofish_span(), - }), - ), - ) - } - ModuleDefId::TypeAliasId(_) => panic!("type aliases cannot be used in type namespace"), - ModuleDefId::TraitId(id) => { - if let Some(path_references) = path_references { - path_references.push(ReferenceId::Trait(id)); - } + current_module = + &self.def_maps[¤t_module_id.krate].modules[current_module_id.local_id.0]; - ( - id.0, - IntermediatePathResolutionItem::Trait( - id, - last_segment_generics.as_ref().map(|generics| Turbofish { - generics: generics.clone(), - span: last_segment.turbofish_span(), - }), - ), - ) + // Check if namespace + let found_ns = current_module.find_name(current_ident); + if found_ns.is_none() { + return Err(PathResolutionError::Unresolved(current_ident.clone())); } - ModuleDefId::GlobalId(_) => panic!("globals cannot be in the type namespace"), - }; - // If the path is plain or crate, the first segment will always refer to - // something that's visible from the current module. - if !((plain_or_crate && index == 0) - || can_reference_module_id( - def_maps, - importing_crate, - starting_mod, - current_mod_id, - visibility, - )) - { - errors.push(PathResolutionError::Private(last_ident.clone())); + self.usage_tracker.mark_as_referenced(current_module_id, current_ident); + + current_ns = found_ns; } - current_mod = &def_maps[¤t_mod_id.krate].modules[current_mod_id.local_id.0]; + let (module_def_id, visibility, _) = + current_ns.values.or(current_ns.types).expect("Found empty namespace"); - // Check if namespace - let found_ns = current_mod.find_name(current_ident); + self.add_reference(module_def_id, path.segments.last().unwrap().ident.span(), false); - if found_ns.is_none() { - return Err(PathResolutionError::Unresolved(current_ident.clone())); + if !self.item_in_module_is_visible(current_module_id, visibility) { + errors.push(PathResolutionError::Private(path.last_ident())); } - usage_tracker.mark_as_referenced(current_mod_id, current_ident); - - current_ns = found_ns; + Ok(ResolvedImport { namespace: current_ns, errors }) } - let module_def_id = - current_ns.values.or(current_ns.types).map(|(id, _, _)| id).expect("Found empty namespace"); - - let item = merge_intermediate_path_resolution_item_with_module_def_id( - intermediate_item, - module_def_id, - ); - - Ok(NamespaceResolution { module_id: current_mod_id, item, namespace: current_ns, errors }) -} - -fn resolve_path_name(import_directive: &ImportDirective) -> Ident { - match &import_directive.alias { - None => import_directive.path.last_ident(), - Some(ident) => ident.clone(), + fn add_reference(&mut self, reference_id: ModuleDefId, span: Span, is_self_type_name: bool) { + if let Some(references_tracker) = &mut self.references_tracker { + references_tracker.add_reference(reference_id, span, is_self_type_name); + } } -} -fn resolve_external_dep( - crate_id: CrateId, - directive: &ImportDirective, - def_maps: &BTreeMap, - usage_tracker: &mut UsageTracker, - path_references: &mut Option<&mut Vec>, - importing_crate: CrateId, -) -> NamespaceResolutionResult { - // Use extern_prelude to get the dep - let path = &directive.path.segments; - - let current_def_map = &def_maps[&crate_id]; - - // Fetch the root module from the prelude - let crate_name = &path.first().unwrap().ident; - let dep_module = current_def_map - .extern_prelude - .get(&crate_name.0.contents) - .ok_or_else(|| PathResolutionError::Unresolved(crate_name.to_owned()))?; - - // Create an import directive for the dependency crate - // XXX: This will panic if the path is of the form `use std`. Ideal algorithm will not distinguish between crate and module - // See `singleton_import.nr` test case for a check that such cases are handled elsewhere. - let path_without_crate_name = &path[1..]; - - if let Some(path_references) = path_references { - path_references.push(ReferenceId::Module(*dep_module)); + fn item_in_module_is_visible(&self, module: ModuleId, visibility: ItemVisibility) -> bool { + item_in_module_is_visible(self.def_maps, self.importing_module, module, visibility) } - - let path = Path { - segments: path_without_crate_name.to_vec(), - kind: PathKind::Plain, - span: Span::default(), - }; - let dep_directive = ImportDirective { - visibility: ItemVisibility::Private, - module_id: dep_module.local_id, - self_type_module_id: directive.self_type_module_id, - path, - alias: directive.alias.clone(), - is_prelude: false, - }; - - resolve_path_to_ns( - &dep_directive, - dep_module.krate, - importing_crate, - def_maps, - usage_tracker, - path_references, - ) } -fn merge_intermediate_path_resolution_item_with_module_def_id( - intermediate_item: IntermediatePathResolutionItem, - module_def_id: ModuleDefId, -) -> PathResolutionItem { - match module_def_id { - ModuleDefId::ModuleId(module_id) => PathResolutionItem::Module(module_id), - ModuleDefId::TypeId(struct_id) => PathResolutionItem::Struct(struct_id), - ModuleDefId::TypeAliasId(type_alias_id) => PathResolutionItem::TypeAlias(type_alias_id), - ModuleDefId::TraitId(trait_id) => PathResolutionItem::Trait(trait_id), - ModuleDefId::GlobalId(global_id) => PathResolutionItem::Global(global_id), - ModuleDefId::FunctionId(func_id) => match intermediate_item { - IntermediatePathResolutionItem::Module(_) => { - PathResolutionItem::ModuleFunction(func_id) - } - IntermediatePathResolutionItem::Struct(struct_id, generics) => { - PathResolutionItem::StructFunction(struct_id, generics, func_id) - } - IntermediatePathResolutionItem::Trait(trait_id, generics) => { - PathResolutionItem::TraitFunction(trait_id, generics, func_id) - } - }, - } +fn get_module(def_maps: &BTreeMap, module: ModuleId) -> &ModuleData { + let message = "A crate should always be present for a given crate id"; + &def_maps.get(&module.krate).expect(message).modules[module.local_id.0] } diff --git a/noir/noir-repo/compiler/noirc_frontend/src/hir/resolution/mod.rs b/noir/noir-repo/compiler/noirc_frontend/src/hir/resolution/mod.rs index 223b88b5c5d..44a0114074e 100644 --- a/noir/noir-repo/compiler/noirc_frontend/src/hir/resolution/mod.rs +++ b/noir/noir-repo/compiler/noirc_frontend/src/hir/resolution/mod.rs @@ -7,5 +7,4 @@ //! will have the same DefinitionId. pub mod errors; pub mod import; -pub mod path_resolver; pub mod visibility; diff --git a/noir/noir-repo/compiler/noirc_frontend/src/hir/resolution/path_resolver.rs b/noir/noir-repo/compiler/noirc_frontend/src/hir/resolution/path_resolver.rs deleted file mode 100644 index 705820e9101..00000000000 --- a/noir/noir-repo/compiler/noirc_frontend/src/hir/resolution/path_resolver.rs +++ /dev/null @@ -1,92 +0,0 @@ -use super::import::{resolve_import, ImportDirective, PathResolution, PathResolutionResult}; -use crate::ast::{ItemVisibility, Path}; -use crate::node_interner::ReferenceId; -use crate::usage_tracker::UsageTracker; - -use std::collections::BTreeMap; - -use crate::graph::CrateId; -use crate::hir::def_map::{CrateDefMap, LocalModuleId, ModuleId}; - -pub trait PathResolver { - /// Resolve the given path returning the resolved ModuleDefId. - /// If `path_references` is `Some`, a `ReferenceId` for each segment in `path` - /// will be resolved and pushed (some entries will be None if they don't refer to - /// a module or type). - fn resolve( - &self, - def_maps: &BTreeMap, - path: Path, - usage_tracker: &mut UsageTracker, - path_references: &mut Option<&mut Vec>, - ) -> PathResolutionResult; - - fn local_module_id(&self) -> LocalModuleId; - - fn module_id(&self) -> ModuleId; -} - -pub struct StandardPathResolver { - // Module that we are resolving the path in - module_id: ModuleId, - // The module of the self type, if any (for example, the ModuleId of a struct) - self_type_module_id: Option, -} - -impl StandardPathResolver { - pub fn new(module_id: ModuleId, self_type_module_id: Option) -> StandardPathResolver { - Self { module_id, self_type_module_id } - } -} - -impl PathResolver for StandardPathResolver { - fn resolve( - &self, - def_maps: &BTreeMap, - path: Path, - usage_tracker: &mut UsageTracker, - path_references: &mut Option<&mut Vec>, - ) -> PathResolutionResult { - resolve_path( - def_maps, - self.module_id, - self.self_type_module_id, - path, - usage_tracker, - path_references, - ) - } - - fn local_module_id(&self) -> LocalModuleId { - self.module_id.local_id - } - - fn module_id(&self) -> ModuleId { - self.module_id - } -} - -/// Resolve the given path to a function or a type. -/// In the case of a conflict, functions are given priority -pub fn resolve_path( - def_maps: &BTreeMap, - module_id: ModuleId, - self_type_module_id: Option, - path: Path, - usage_tracker: &mut UsageTracker, - path_references: &mut Option<&mut Vec>, -) -> PathResolutionResult { - // lets package up the path into an ImportDirective and resolve it using that - let import = ImportDirective { - visibility: ItemVisibility::Private, - module_id: module_id.local_id, - self_type_module_id, - path, - alias: None, - is_prelude: false, - }; - let resolved_import = - resolve_import(module_id.krate, &import, def_maps, usage_tracker, path_references)?; - - Ok(PathResolution { item: resolved_import.item, errors: resolved_import.errors }) -} diff --git a/noir/noir-repo/compiler/noirc_frontend/src/hir/resolution/visibility.rs b/noir/noir-repo/compiler/noirc_frontend/src/hir/resolution/visibility.rs index 492f303d2c4..c2fe887fe62 100644 --- a/noir/noir-repo/compiler/noirc_frontend/src/hir/resolution/visibility.rs +++ b/noir/noir-repo/compiler/noirc_frontend/src/hir/resolution/visibility.rs @@ -7,34 +7,43 @@ use std::collections::BTreeMap; use crate::ast::ItemVisibility; use crate::hir::def_map::{CrateDefMap, DefMaps, LocalModuleId, ModuleId}; -// Returns false if the given private function is being called from a non-child module, or -// if the given pub(crate) function is being called from another crate. Otherwise returns true. -pub fn can_reference_module_id( +/// Returns true if an item with the given visibility in the target module +/// is visible from the current module. For example: +/// ```text +/// mod foo { +/// ^^^ <-- target module +/// pub(crate) fn bar() {} +/// ^^^^^^^^^^ <- visibility +/// } +/// ``` +pub fn item_in_module_is_visible( def_maps: &BTreeMap, - importing_crate: CrateId, - current_module: LocalModuleId, + current_module: ModuleId, target_module: ModuleId, visibility: ItemVisibility, ) -> bool { // Note that if the target module is in a different crate from the current module then we will either // return true as the target module is public or return false as it is private without looking at the `CrateDefMap` in either case. - let same_crate = target_module.krate == importing_crate; + let same_crate = target_module.krate == current_module.krate; match visibility { ItemVisibility::Public => true, ItemVisibility::PublicCrate => same_crate, ItemVisibility::Private => { + if !same_crate { + return false; + } + let target_crate_def_map = &def_maps[&target_module.krate]; - same_crate - && (module_descendent_of_target( - target_crate_def_map, - target_module.local_id, - current_module, - ) || module_is_parent_of_struct_module( - target_crate_def_map, - current_module, - target_module.local_id, - )) + module_descendent_of_target( + target_crate_def_map, + target_module.local_id, + current_module.local_id, + ) || module_is_parent_of_struct_module( + target_crate_def_map, + current_module.local_id, + target_module.local_id, + ) } } } @@ -116,10 +125,9 @@ pub fn method_call_is_visible( ItemVisibility::Private => { if object_type.is_primitive() { let func_module = interner.function_module(func_id); - can_reference_module_id( + item_in_module_is_visible( def_maps, - current_module.krate, - current_module.local_id, + current_module, func_module, modifiers.visibility, ) diff --git a/noir/noir-repo/compiler/noirc_frontend/src/hir/type_check/errors.rs b/noir/noir-repo/compiler/noirc_frontend/src/hir/type_check/errors.rs index 3b4ab148ef7..a63601a4280 100644 --- a/noir/noir-repo/compiler/noirc_frontend/src/hir/type_check/errors.rs +++ b/noir/noir-repo/compiler/noirc_frontend/src/hir/type_check/errors.rs @@ -11,7 +11,7 @@ use crate::ast::{ use crate::hir::resolution::errors::ResolverError; use crate::hir_def::expr::HirBinaryOp; use crate::hir_def::traits::TraitConstraint; -use crate::hir_def::types::Type; +use crate::hir_def::types::{BinaryTypeOperator, Kind, Type}; use crate::node_interner::NodeInterner; #[derive(Error, Debug, Clone, PartialEq, Eq)] @@ -34,12 +34,22 @@ pub enum Source { Return(FunctionReturnType, Span), } -#[derive(Error, Debug, Clone)] +#[derive(Error, Debug, Clone, PartialEq, Eq)] pub enum TypeCheckError { #[error("Operator {op:?} cannot be used in a {place:?}")] OpCannotBeUsed { op: HirBinaryOp, place: &'static str, span: Span }, + #[error("Division by zero: {lhs} / {rhs}")] + DivisionByZero { lhs: FieldElement, rhs: FieldElement, span: Span }, + #[error("Modulo on Field elements: {lhs} % {rhs}")] + ModuloOnFields { lhs: FieldElement, rhs: FieldElement, span: Span }, #[error("The value `{expr:?}` cannot fit into `{ty}` which has range `{range}`")] OverflowingAssignment { expr: FieldElement, ty: Type, range: String, span: Span }, + #[error( + "The value `{value}` cannot fit into `{kind}` which has a maximum size of `{maximum_size}`" + )] + OverflowingConstant { value: FieldElement, kind: Kind, maximum_size: FieldElement, span: Span }, + #[error("Evaluating `{op}` on `{lhs}`, `{rhs}` failed")] + FailingBinaryOp { op: BinaryTypeOperator, lhs: i128, rhs: i128, span: Span }, #[error("Type {typ:?} cannot be used in a {place:?}")] TypeCannotBeUsed { typ: Type, place: &'static str, span: Span }, #[error("Expected type {expected_typ:?} is not the same as {expr_typ:?}")] @@ -48,6 +58,14 @@ pub enum TypeCheckError { TypeMismatchWithSource { expected: Type, actual: Type, span: Span, source: Source }, #[error("Expected type {expected_kind:?} is not the same as {expr_kind:?}")] TypeKindMismatch { expected_kind: String, expr_kind: String, expr_span: Span }, + #[error("Evaluating {to} resulted in {to_value}, but {from_value} was expected")] + TypeCanonicalizationMismatch { + to: Type, + from: Type, + to_value: FieldElement, + from_value: FieldElement, + span: Span, + }, // TODO(https://github.com/noir-lang/noir/issues/6238): implement handling for larger types #[error("Expected type {expected_kind} when evaluating globals, but found {expr_kind} (this warning may become an error in the future)")] EvaluatedGlobalIsntU32 { expected_kind: String, expr_kind: String, expr_span: Span }, @@ -158,6 +176,8 @@ pub enum TypeCheckError { Unsafe { span: Span }, #[error("Converting an unconstrained fn to a non-unconstrained fn is unsafe")] UnsafeFn { span: Span }, + #[error("Expected a constant, but found `{typ}`")] + NonConstantEvaluated { typ: Type, span: Span }, #[error("Slices must have constant length")] NonConstantSliceLength { span: Span }, #[error("Only sized types may be used in the entry point to a program")] @@ -174,8 +194,6 @@ pub enum TypeCheckError { StringIndexAssign { span: Span }, #[error("Macro calls may only return `Quoted` values")] MacroReturningNonExpr { typ: Type, span: Span }, - #[error("turbofish (`::<_>`) usage at this position isn't supported yet")] - UnsupportedTurbofishUsage { span: Span }, #[error("`{name}` has already been specified")] DuplicateNamedTypeArg { name: Ident, prev_span: Span }, #[error("`{item}` has no associated type named `{name}`")] @@ -198,6 +216,10 @@ impl TypeCheckError { pub fn add_context(self, ctx: &'static str) -> Self { TypeCheckError::Context { err: Box::new(self), ctx } } + + pub(crate) fn is_non_constant_evaluated(&self) -> bool { + matches!(self, TypeCheckError::NonConstantEvaluated { .. }) + } } impl<'a> From<&'a TypeCheckError> for Diagnostic { @@ -218,6 +240,16 @@ impl<'a> From<&'a TypeCheckError> for Diagnostic { String::new(), *span, ), + TypeCheckError::DivisionByZero { lhs, rhs, span } => Diagnostic::simple_error( + format!("Division by zero: {lhs} / {rhs}"), + String::new(), + *span, + ), + TypeCheckError::ModuloOnFields { lhs, rhs, span } => Diagnostic::simple_error( + format!("Modulo on Field elements: {lhs} % {rhs}"), + String::new(), + *span, + ), TypeCheckError::TypeMismatch { expected_typ, expr_typ, expr_span } => { Diagnostic::simple_error( format!("Expected type {expected_typ}, found type {expr_typ}"), @@ -232,6 +264,13 @@ impl<'a> From<&'a TypeCheckError> for Diagnostic { *expr_span, ) } + TypeCheckError::TypeCanonicalizationMismatch { to, from, to_value, from_value, span } => { + Diagnostic::simple_error( + format!("Evaluating {to} resulted in {to_value}, but {from_value} was expected"), + format!("from evaluating {from} without simplifications"), + *span, + ) + } // TODO(https://github.com/noir-lang/noir/issues/6238): implement // handling for larger types TypeCheckError::EvaluatedGlobalIsntU32 { expected_kind, expr_kind, expr_span } => { @@ -322,11 +361,14 @@ impl<'a> From<&'a TypeCheckError> for Diagnostic { | TypeCheckError::AmbiguousBitWidth { span, .. } | TypeCheckError::IntegerAndFieldBinaryOperation { span } | TypeCheckError::OverflowingAssignment { span, .. } + | TypeCheckError::OverflowingConstant { span, .. } + | TypeCheckError::FailingBinaryOp { span, .. } | TypeCheckError::FieldModulo { span } | TypeCheckError::FieldNot { span } | TypeCheckError::ConstrainedReferenceToUnconstrained { span } | TypeCheckError::UnconstrainedReferenceToConstrained { span } | TypeCheckError::UnconstrainedSliceReturnToConstrained { span } + | TypeCheckError::NonConstantEvaluated { span, .. } | TypeCheckError::NonConstantSliceLength { span } | TypeCheckError::StringIndexAssign { span } | TypeCheckError::InvalidShiftSize { span } => { @@ -443,10 +485,6 @@ impl<'a> From<&'a TypeCheckError> for Diagnostic { error.add_secondary("Hint: remove the `!` from the end of the function name.".to_string(), *span); error }, - TypeCheckError::UnsupportedTurbofishUsage { span } => { - let msg = "turbofish (`::<_>`) usage at this position isn't supported yet"; - Diagnostic::simple_error(msg.to_string(), "".to_string(), *span) - }, TypeCheckError::DuplicateNamedTypeArg { name, prev_span } => { let msg = format!("`{name}` has already been specified"); let mut error = Diagnostic::simple_error(msg.to_string(), "".to_string(), name.span()); diff --git a/noir/noir-repo/compiler/noirc_frontend/src/hir_def/function.rs b/noir/noir-repo/compiler/noirc_frontend/src/hir_def/function.rs index 6ecfdefe996..db6c3507b15 100644 --- a/noir/noir-repo/compiler/noirc_frontend/src/hir_def/function.rs +++ b/noir/noir-repo/compiler/noirc_frontend/src/hir_def/function.rs @@ -9,7 +9,7 @@ use crate::ast::{BlockExpression, FunctionKind, FunctionReturnType, Visibility}; use crate::graph::CrateId; use crate::hir::def_map::LocalModuleId; use crate::node_interner::{ExprId, NodeInterner, StructId, TraitId, TraitImplId}; -use crate::token::CustomAttribute; + use crate::{ResolvedGeneric, Type}; /// A Hir function is a block expression with a list of statements. @@ -164,9 +164,6 @@ pub struct FuncMeta { /// If this function is from an impl (trait or regular impl), this /// is the object type of the impl. Otherwise this is None. pub self_type: Option, - - /// Custom attributes attached to this function. - pub custom_attributes: Vec, } #[derive(Debug, Clone)] diff --git a/noir/noir-repo/compiler/noirc_frontend/src/hir_def/stmt.rs b/noir/noir-repo/compiler/noirc_frontend/src/hir_def/stmt.rs index b97e99583bb..0258cfd8ddb 100644 --- a/noir/noir-repo/compiler/noirc_frontend/src/hir_def/stmt.rs +++ b/noir/noir-repo/compiler/noirc_frontend/src/hir_def/stmt.rs @@ -105,7 +105,7 @@ impl HirPattern { } } - pub(crate) fn location(&self) -> Location { + pub fn location(&self) -> Location { match self { HirPattern::Identifier(ident) => ident.location, HirPattern::Mutable(_, location) diff --git a/noir/noir-repo/compiler/noirc_frontend/src/hir_def/types.rs b/noir/noir-repo/compiler/noirc_frontend/src/hir_def/types.rs index 77030b0e048..a0fea3aa774 100644 --- a/noir/noir-repo/compiler/noirc_frontend/src/hir_def/types.rs +++ b/noir/noir-repo/compiler/noirc_frontend/src/hir_def/types.rs @@ -5,6 +5,9 @@ use std::{ rc::Rc, }; +#[cfg(test)] +use proptest_derive::Arbitrary; + use acvm::{AcirField, FieldElement}; use crate::{ @@ -91,6 +94,14 @@ pub enum Type { /// like `fn foo(...) {}`. Unlike TypeVariables, they cannot be bound over. NamedGeneric(TypeVariable, Rc), + /// A cast (to, from) that's checked at monomorphization. + /// + /// Simplifications on arithmetic generics are only allowed on the LHS. + CheckedCast { + from: Box, + to: Box, + }, + /// A functions with arguments, a return type and environment. /// the environment should be `Unit` by default, /// for closures it should contain a `Tuple` type with the captured @@ -161,6 +172,11 @@ pub enum Kind { } impl Kind { + // Kind::Numeric constructor helper + pub fn numeric(typ: Type) -> Kind { + Kind::Numeric(Box::new(typ)) + } + pub(crate) fn is_error(&self) -> bool { match self.follow_bindings() { Self::Numeric(typ) => *typ == Type::Error, @@ -188,7 +204,7 @@ impl Kind { } pub(crate) fn u32() -> Self { - Self::Numeric(Box::new(Type::Integer(Signedness::Unsigned, IntegerBitSize::ThirtyTwo))) + Self::numeric(Type::Integer(Signedness::Unsigned, IntegerBitSize::ThirtyTwo)) } pub(crate) fn follow_bindings(&self) -> Self { @@ -197,7 +213,7 @@ impl Kind { Self::Normal => Self::Normal, Self::Integer => Self::Integer, Self::IntegerOrField => Self::IntegerOrField, - Self::Numeric(typ) => Self::Numeric(Box::new(typ.follow_bindings())), + Self::Numeric(typ) => Self::numeric(typ.follow_bindings()), } } @@ -241,11 +257,9 @@ impl Kind { /// during monomorphization. pub(crate) fn default_type(&self) -> Option { match self { - Kind::Any => None, Kind::IntegerOrField => Some(Type::default_int_or_field_type()), Kind::Integer => Some(Type::default_int_type()), - Kind::Normal => None, - Kind::Numeric(typ) => Some(*typ.clone()), + Kind::Any | Kind::Normal | Kind::Numeric(..) => None, } } @@ -257,10 +271,21 @@ impl Kind { } /// Ensure the given value fits in self.integral_maximum_size() - fn ensure_value_fits(&self, value: FieldElement) -> Option { + fn ensure_value_fits( + &self, + value: FieldElement, + span: Span, + ) -> Result { match self.integral_maximum_size() { - None => Some(value), - Some(maximum_size) => (value <= maximum_size).then_some(value), + None => Ok(value), + Some(maximum_size) => (value <= maximum_size).then_some(value).ok_or_else(|| { + TypeCheckError::OverflowingConstant { + value, + kind: self.clone(), + maximum_size, + span, + } + }), } } } @@ -654,6 +679,7 @@ impl Shared { /// A restricted subset of binary operators useable on /// type level integers for use in the array length positions of types. +#[cfg_attr(test, derive(Arbitrary))] #[derive(Debug, Copy, Clone, Hash, PartialEq, Eq, PartialOrd, Ord)] pub enum BinaryTypeOperator { Addition, @@ -865,6 +891,7 @@ impl std::fmt::Display for Type { TypeBinding::Unbound(_, _) if name.is_empty() => write!(f, "_"), TypeBinding::Unbound(_, _) => write!(f, "{name}"), }, + Type::CheckedCast { to, .. } => write!(f, "{to}"), Type::Constant(x, _kind) => write!(f, "{x}"), Type::Forall(typevars, typ) => { let typevars = vecmap(typevars, |var| var.id().to_string()); @@ -889,7 +916,7 @@ impl std::fmt::Display for Type { } Type::Quoted(quoted) => write!(f, "{}", quoted), Type::InfixExpr(lhs, op, rhs) => { - let this = self.canonicalize(); + let this = self.canonicalize_checked(); // Prevent infinite recursion if this != *self { @@ -1066,6 +1093,7 @@ impl Type { | Type::TypeVariable(..) | Type::TraitAsType(..) | Type::NamedGeneric(..) + | Type::CheckedCast { .. } | Type::Forall(..) | Type::Constant(..) | Type::Quoted(..) @@ -1108,6 +1136,10 @@ impl Type { Type::NamedGeneric(_, _) => { named_generic_is_numeric(self, found_names); } + Type::CheckedCast { from, to } => { + to.find_numeric_type_vars(found_names); + from.find_numeric_type_vars(found_names); + } Type::TraitAsType(_, _, args) => { for arg in args.ordered.iter() { @@ -1189,9 +1221,10 @@ impl Type { | Type::Forall(_, _) | Type::Quoted(_) | Type::Slice(_) - | Type::InfixExpr(_, _, _) | Type::TraitAsType(..) => false, + Type::CheckedCast { to, .. } => to.is_valid_for_program_input(), + Type::Alias(alias, generics) => { let alias = alias.borrow(); alias.get_type(generics).is_valid_for_program_input() @@ -1207,6 +1240,10 @@ impl Type { .get_fields(generics) .into_iter() .all(|(_, field)| field.is_valid_for_program_input()), + + Type::InfixExpr(lhs, _, rhs) => { + lhs.is_valid_for_program_input() && rhs.is_valid_for_program_input() + } } } @@ -1241,6 +1278,8 @@ impl Type { | Type::Quoted(_) | Type::TraitAsType(..) => false, + Type::CheckedCast { to, .. } => to.is_valid_non_inlined_function_input(), + Type::Alias(alias, generics) => { let alias = alias.borrow(); alias.get_type(generics).is_valid_non_inlined_function_input() @@ -1282,6 +1321,8 @@ impl Type { } } + Type::CheckedCast { to, .. } => to.is_valid_for_unconstrained_boundary(), + // Quoted objects only exist at compile-time where the only execution // environment is the interpreter. In this environment, they are valid. Type::Quoted(_) => true, @@ -1314,6 +1355,7 @@ impl Type { pub fn generic_count(&self) -> usize { match self { Type::Forall(generics, _) => generics.len(), + Type::CheckedCast { to, .. } => to.generic_count(), Type::TypeVariable(type_variable) | Type::NamedGeneric(type_variable, _) => { match &*type_variable.borrow() { TypeBinding::Bound(binding) => binding.generic_count(), @@ -1353,6 +1395,7 @@ impl Type { pub(crate) fn kind(&self) -> Kind { match self { + Type::CheckedCast { to, .. } => to.kind(), Type::NamedGeneric(var, _) => var.kind(), Type::Constant(_, kind) => kind.clone(), Type::TypeVariable(var) => match &*var.borrow() { @@ -1360,23 +1403,24 @@ impl Type { TypeBinding::Unbound(_, ref type_var_kind) => type_var_kind.clone(), }, Type::InfixExpr(lhs, _op, rhs) => lhs.infix_kind(rhs), + Type::Alias(def, generics) => def.borrow().get_type(generics).kind(), + // This is a concrete FieldElement, not an IntegerOrField Type::FieldElement + | Type::Integer(..) | Type::Array(..) | Type::Slice(..) - | Type::Integer(..) | Type::Bool | Type::String(..) | Type::FmtString(..) | Type::Unit | Type::Tuple(..) | Type::Struct(..) - | Type::Alias(..) | Type::TraitAsType(..) | Type::Function(..) | Type::MutableReference(..) | Type::Forall(..) - | Type::Quoted(..) - | Type::Error => Kind::Normal, + | Type::Quoted(..) => Kind::Normal, + Type::Error => Kind::Any, } } @@ -1387,32 +1431,33 @@ impl Type { if self_kind.unifies(&other_kind) { self_kind } else { - Kind::Numeric(Box::new(Type::Error)) + Kind::numeric(Type::Error) } } /// Returns the number of field elements required to represent the type once encoded. - pub fn field_count(&self) -> u32 { + pub fn field_count(&self, location: &Location) -> u32 { match self { Type::FieldElement | Type::Integer { .. } | Type::Bool => 1, Type::Array(size, typ) => { let length = size - .evaluate_to_u32() + .evaluate_to_u32(location.span) .expect("Cannot have variable sized arrays as a parameter to main"); let typ = typ.as_ref(); - length * typ.field_count() + length * typ.field_count(location) } Type::Struct(def, args) => { let struct_type = def.borrow(); let fields = struct_type.get_fields(args); - fields.iter().fold(0, |acc, (_, field_type)| acc + field_type.field_count()) + fields.iter().fold(0, |acc, (_, field_type)| acc + field_type.field_count(location)) } - Type::Alias(def, generics) => def.borrow().get_type(generics).field_count(), + Type::CheckedCast { to, .. } => to.field_count(location), + Type::Alias(def, generics) => def.borrow().get_type(generics).field_count(location), Type::Tuple(fields) => { - fields.iter().fold(0, |acc, field_typ| acc + field_typ.field_count()) + fields.iter().fold(0, |acc, field_typ| acc + field_typ.field_count(location)) } Type::String(size) => size - .evaluate_to_u32() + .evaluate_to_u32(location.span) .expect("Cannot have variable sized strings as a parameter to main"), Type::FmtString(_, _) | Type::Unit @@ -1583,6 +1628,7 @@ impl Type { match self { Type::TypeVariable(var) => Some((var.1.clone(), var.kind())), Type::NamedGeneric(var, _) => Some((var.1.clone(), var.kind())), + Type::CheckedCast { to, .. } => to.get_inner_type_variable(), _ => None, } } @@ -1697,6 +1743,10 @@ impl Type { } } + (CheckedCast { to, .. }, other) | (other, CheckedCast { to, .. }) => { + to.try_unify(other, bindings) + } + (NamedGeneric(binding, _), other) | (other, NamedGeneric(binding, _)) if !binding.borrow().is_unbound() => { @@ -1759,7 +1809,8 @@ impl Type { } (Constant(value, kind), other) | (other, Constant(value, kind)) => { - if let Some(other_value) = other.evaluate_to_field_element(kind) { + let dummy_span = Span::default(); + if let Ok(other_value) = other.evaluate_to_field_element(kind, dummy_span) { if *value == other_value && kind.unifies(&other.kind()) { Ok(()) } else { @@ -1927,41 +1978,106 @@ impl Type { /// If this type is a Type::Constant (used in array lengths), or is bound /// to a Type::Constant, return the constant as a u32. - pub fn evaluate_to_u32(&self) -> Option { - self.evaluate_to_field_element(&Kind::u32()) - .and_then(|field_element| field_element.try_to_u32()) + pub fn evaluate_to_u32(&self, span: Span) -> Result { + self.evaluate_to_field_element(&Kind::u32(), span).map(|field_element| { + field_element + .try_to_u32() + .expect("ICE: size should have already been checked by evaluate_to_field_element") + }) } // TODO(https://github.com/noir-lang/noir/issues/6260): remove // the unifies checks once all kinds checks are implemented? - pub(crate) fn evaluate_to_field_element(&self, kind: &Kind) -> Option { + pub(crate) fn evaluate_to_field_element( + &self, + kind: &Kind, + span: Span, + ) -> Result { + let run_simplifications = true; + self.evaluate_to_field_element_helper(kind, span, run_simplifications) + } + + /// evaluate_to_field_element with optional generic arithmetic simplifications + pub(crate) fn evaluate_to_field_element_helper( + &self, + kind: &Kind, + span: Span, + run_simplifications: bool, + ) -> Result { if let Some((binding, binding_kind)) = self.get_inner_type_variable() { if let TypeBinding::Bound(binding) = &*binding.borrow() { if kind.unifies(&binding_kind) { - return binding.evaluate_to_field_element(&binding_kind); + return binding.evaluate_to_field_element_helper( + &binding_kind, + span, + run_simplifications, + ); } } } - match self.canonicalize() { + let could_be_checked_cast = false; + match self.canonicalize_helper(could_be_checked_cast, run_simplifications) { Type::Constant(x, constant_kind) => { if kind.unifies(&constant_kind) { - kind.ensure_value_fits(x) + kind.ensure_value_fits(x, span) } else { - None + Err(TypeCheckError::TypeKindMismatch { + expected_kind: format!("{}", constant_kind), + expr_kind: format!("{}", kind), + expr_span: span, + }) } } Type::InfixExpr(lhs, op, rhs) => { let infix_kind = lhs.infix_kind(&rhs); if kind.unifies(&infix_kind) { - let lhs_value = lhs.evaluate_to_field_element(&infix_kind)?; - let rhs_value = rhs.evaluate_to_field_element(&infix_kind)?; - op.function(lhs_value, rhs_value, &infix_kind) + let lhs_value = lhs.evaluate_to_field_element_helper( + &infix_kind, + span, + run_simplifications, + )?; + let rhs_value = rhs.evaluate_to_field_element_helper( + &infix_kind, + span, + run_simplifications, + )?; + op.function(lhs_value, rhs_value, &infix_kind, span) } else { - None + Err(TypeCheckError::TypeKindMismatch { + expected_kind: format!("{}", kind), + expr_kind: format!("{}", infix_kind), + expr_span: span, + }) } } - _ => None, + Type::CheckedCast { from, to } => { + let to_value = to.evaluate_to_field_element(kind, span)?; + + // if both 'to' and 'from' evaluate to a constant, + // return None unless they match + let skip_simplifications = false; + if let Ok(from_value) = + from.evaluate_to_field_element_helper(kind, span, skip_simplifications) + { + if to_value == from_value { + Ok(to_value) + } else { + let to = *to.clone(); + let from = *from.clone(); + Err(TypeCheckError::TypeCanonicalizationMismatch { + to, + from, + to_value, + from_value, + span, + }) + } + } else { + Ok(to_value) + } + } + other => Err(TypeCheckError::NonConstantEvaluated { typ: other, span }), } } @@ -2183,6 +2299,11 @@ impl Type { let fields = fields.substitute_helper(type_bindings, substitute_bound_typevars); Type::FmtString(Box::new(size), Box::new(fields)) } + Type::CheckedCast { from, to } => { + let from = from.substitute_helper(type_bindings, substitute_bound_typevars); + let to = to.substitute_helper(type_bindings, substitute_bound_typevars); + Type::CheckedCast { from: Box::new(from), to: Box::new(to) } + } Type::NamedGeneric(binding, _) | Type::TypeVariable(binding) => { substitute_binding(binding) } @@ -2272,6 +2393,7 @@ impl Type { || args.named.iter().any(|arg| arg.typ.occurs(target_id)) } Type::Tuple(fields) => fields.iter().any(|field| field.occurs(target_id)), + Type::CheckedCast { from, to } => from.occurs(target_id) || to.occurs(target_id), Type::NamedGeneric(type_var, _) | Type::TypeVariable(type_var) => { match &*type_var.borrow() { TypeBinding::Bound(binding) => { @@ -2330,6 +2452,11 @@ impl Type { def.borrow().get_type(args).follow_bindings() } Tuple(args) => Tuple(vecmap(args, |arg| arg.follow_bindings())), + CheckedCast { from, to } => { + let from = Box::new(from.follow_bindings()); + let to = Box::new(to.follow_bindings()); + CheckedCast { from, to } + } TypeVariable(var) | NamedGeneric(var, _) => { if let TypeBinding::Bound(typ) = &*var.borrow() { return typ.follow_bindings(); @@ -2426,6 +2553,10 @@ impl Type { generic.typ.replace_named_generics_with_type_variables(); } } + Type::CheckedCast { from, to } => { + from.replace_named_generics_with_type_variables(); + to.replace_named_generics_with_type_variables(); + } Type::NamedGeneric(var, _) => { let type_binding = var.borrow(); if let TypeBinding::Bound(binding) = &*type_binding { @@ -2483,6 +2614,7 @@ impl Type { } } Type::Alias(alias, args) => alias.borrow().get_type(args).integral_maximum_size(), + Type::CheckedCast { to, .. } => to.integral_maximum_size(), Type::NamedGeneric(binding, _name) => match &*binding.borrow() { TypeBinding::Bound(typ) => typ.integral_maximum_size(), TypeBinding::Unbound(_, kind) => kind.integral_maximum_size(), @@ -2542,28 +2674,39 @@ fn convert_array_expression_to_slice( impl BinaryTypeOperator { /// Perform the actual rust numeric operation associated with this operator - pub fn function(self, a: FieldElement, b: FieldElement, kind: &Kind) -> Option { + pub fn function( + self, + a: FieldElement, + b: FieldElement, + kind: &Kind, + span: Span, + ) -> Result { match kind.follow_bindings().integral_maximum_size() { None => match self { - BinaryTypeOperator::Addition => Some(a + b), - BinaryTypeOperator::Subtraction => Some(a - b), - BinaryTypeOperator::Multiplication => Some(a * b), - BinaryTypeOperator::Division => (b != FieldElement::zero()).then(|| a / b), - BinaryTypeOperator::Modulo => None, + BinaryTypeOperator::Addition => Ok(a + b), + BinaryTypeOperator::Subtraction => Ok(a - b), + BinaryTypeOperator::Multiplication => Ok(a * b), + BinaryTypeOperator::Division => (b != FieldElement::zero()) + .then(|| a / b) + .ok_or(TypeCheckError::DivisionByZero { lhs: a, rhs: b, span }), + BinaryTypeOperator::Modulo => { + Err(TypeCheckError::ModuloOnFields { lhs: a, rhs: b, span }) + } }, Some(_maximum_size) => { let a = a.to_i128(); let b = b.to_i128(); + let err = TypeCheckError::FailingBinaryOp { op: self, lhs: a, rhs: b, span }; let result = match self { - BinaryTypeOperator::Addition => a.checked_add(b)?, - BinaryTypeOperator::Subtraction => a.checked_sub(b)?, - BinaryTypeOperator::Multiplication => a.checked_mul(b)?, - BinaryTypeOperator::Division => a.checked_div(b)?, - BinaryTypeOperator::Modulo => a.checked_rem(b)?, + BinaryTypeOperator::Addition => a.checked_add(b).ok_or(err)?, + BinaryTypeOperator::Subtraction => a.checked_sub(b).ok_or(err)?, + BinaryTypeOperator::Multiplication => a.checked_mul(b).ok_or(err)?, + BinaryTypeOperator::Division => a.checked_div(b).ok_or(err)?, + BinaryTypeOperator::Modulo => a.checked_rem(b).ok_or(err)?, }; - Some(result.into()) + Ok(result.into()) } } } @@ -2608,7 +2751,9 @@ impl From<&Type> for PrintableType { match value { Type::FieldElement => PrintableType::Field, Type::Array(size, typ) => { - let length = size.evaluate_to_u32().expect("Cannot print variable sized arrays"); + let dummy_span = Span::default(); + let length = + size.evaluate_to_u32(dummy_span).expect("Cannot print variable sized arrays"); let typ = typ.as_ref(); PrintableType::Array { length, typ: Box::new(typ.into()) } } @@ -2633,7 +2778,9 @@ impl From<&Type> for PrintableType { }, Type::Bool => PrintableType::Boolean, Type::String(size) => { - let size = size.evaluate_to_u32().expect("Cannot print variable sized strings"); + let dummy_span = Span::default(); + let size = + size.evaluate_to_u32(dummy_span).expect("Cannot print variable sized strings"); PrintableType::String { length: size } } Type::FmtString(_, _) => unreachable!("format strings cannot be printed"), @@ -2649,6 +2796,7 @@ impl From<&Type> for PrintableType { Type::Alias(alias, args) => alias.borrow().get_type(args).into(), Type::TraitAsType(..) => unreachable!(), Type::Tuple(types) => PrintableType::Tuple { types: vecmap(types, |typ| typ.into()) }, + Type::CheckedCast { to, .. } => to.as_ref().into(), Type::NamedGeneric(..) => unreachable!(), Type::Forall(..) => unreachable!(), Type::Function(arguments, return_type, env, unconstrained) => PrintableType::Function { @@ -2723,6 +2871,7 @@ impl std::fmt::Debug for Type { } Type::Unit => write!(f, "()"), Type::Error => write!(f, "error"), + Type::CheckedCast { to, .. } => write!(f, "{:?}", to), Type::NamedGeneric(binding, name) => match binding.kind() { Kind::Any | Kind::Normal | Kind::Integer | Kind::IntegerOrField => { write!(f, "{}{:?}", name, binding) @@ -2837,6 +2986,7 @@ impl std::hash::Hash for Type { vars.hash(state); typ.hash(state); } + Type::CheckedCast { to, .. } => to.hash(state), Type::Constant(value, _) => value.hash(state), Type::Quoted(typ) => typ.hash(state), Type::InfixExpr(lhs, op, rhs) => { @@ -2903,6 +3053,7 @@ impl PartialEq for Type { (Forall(lhs_vars, lhs_type), Forall(rhs_vars, rhs_type)) => { lhs_vars == rhs_vars && lhs_type == rhs_type } + (CheckedCast { to, .. }, other) | (other, CheckedCast { to, .. }) => **to == *other, (Constant(lhs, lhs_kind), Constant(rhs, rhs_kind)) => { lhs == rhs && lhs_kind == rhs_kind } diff --git a/noir/noir-repo/compiler/noirc_frontend/src/hir_def/types/arithmetic.rs b/noir/noir-repo/compiler/noirc_frontend/src/hir_def/types/arithmetic.rs index 81f638ebca4..8cdf6f5502c 100644 --- a/noir/noir-repo/compiler/noirc_frontend/src/hir_def/types/arithmetic.rs +++ b/noir/noir-repo/compiler/noirc_frontend/src/hir_def/types/arithmetic.rs @@ -1,6 +1,7 @@ use std::collections::BTreeMap; use acvm::{AcirField, FieldElement}; +use noirc_errors::Span; use crate::{BinaryTypeOperator, Type, TypeBindings, UnificationError}; @@ -15,34 +16,81 @@ impl Type { /// - `canonicalize[((1 + N) + M) + 2] = (M + N) + 3` /// - `canonicalize[A + 2 * B + 3 - 2] = A + (B * 2) + 3 - 2` pub fn canonicalize(&self) -> Type { + match self.follow_bindings() { + Type::CheckedCast { from, to } => Type::CheckedCast { + from: Box::new(from.canonicalize_checked()), + to: Box::new(to.canonicalize_unchecked()), + }, + + other => { + let non_checked_cast = false; + let run_simplifications = true; + other.canonicalize_helper(non_checked_cast, run_simplifications) + } + } + } + + /// Only simplify constants and drop/skip any CheckedCast's + pub(crate) fn canonicalize_checked(&self) -> Type { + let found_checked_cast = true; + let skip_simplifications = false; + self.canonicalize_helper(found_checked_cast, skip_simplifications) + } + + /// Run all simplifications and drop/skip any CheckedCast's + fn canonicalize_unchecked(&self) -> Type { + let found_checked_cast = true; + let run_simplifications = true; + self.canonicalize_helper(found_checked_cast, run_simplifications) + } + + /// If found_checked_cast, then drop additional CheckedCast's + /// + /// If run_simplifications is false, then only: + /// - Attempt to evaluate each sub-expression to a constant + /// - Drop nested CheckedCast's + /// + /// Otherwise also attempt try_simplify_partial_constants, sort_commutative, + /// and other simplifications + pub(crate) fn canonicalize_helper( + &self, + found_checked_cast: bool, + run_simplifications: bool, + ) -> Type { match self.follow_bindings() { Type::InfixExpr(lhs, op, rhs) => { let kind = lhs.infix_kind(&rhs); + let dummy_span = Span::default(); // evaluate_to_field_element also calls canonicalize so if we just called // `self.evaluate_to_field_element(..)` we'd get infinite recursion. - if let (Some(lhs_u32), Some(rhs_u32)) = - (lhs.evaluate_to_field_element(&kind), rhs.evaluate_to_field_element(&kind)) - { - let kind = lhs.infix_kind(&rhs); - if let Some(result) = op.function(lhs_u32, rhs_u32, &kind) { + if let (Ok(lhs_value), Ok(rhs_value)) = ( + lhs.evaluate_to_field_element_helper(&kind, dummy_span, run_simplifications), + rhs.evaluate_to_field_element_helper(&kind, dummy_span, run_simplifications), + ) { + if let Ok(result) = op.function(lhs_value, rhs_value, &kind, dummy_span) { return Type::Constant(result, kind); } } - let lhs = lhs.canonicalize(); - let rhs = rhs.canonicalize(); + let lhs = lhs.canonicalize_helper(found_checked_cast, run_simplifications); + let rhs = rhs.canonicalize_helper(found_checked_cast, run_simplifications); + + if !run_simplifications { + return Type::InfixExpr(Box::new(lhs), op, Box::new(rhs)); + } + if let Some(result) = Self::try_simplify_non_constants_in_lhs(&lhs, op, &rhs) { - return result.canonicalize(); + return result.canonicalize_unchecked(); } if let Some(result) = Self::try_simplify_non_constants_in_rhs(&lhs, op, &rhs) { - return result.canonicalize(); + return result.canonicalize_unchecked(); } // Try to simplify partially constant expressions in the form `(N op1 C1) op2 C2` // where C1 and C2 are constants that can be combined (e.g. N + 5 - 3 = N + 2) if let Some(result) = Self::try_simplify_partial_constants(&lhs, op, &rhs) { - return result.canonicalize(); + return result.canonicalize_unchecked(); } if op.is_commutative() { @@ -51,6 +99,18 @@ impl Type { Type::InfixExpr(Box::new(lhs), op, Box::new(rhs)) } + Type::CheckedCast { from, to } => { + let inner_found_checked_cast = true; + let to = to.canonicalize_helper(inner_found_checked_cast, run_simplifications); + + if found_checked_cast { + return to; + } + + let from = from.canonicalize_checked(); + + Type::CheckedCast { from: Box::new(from), to: Box::new(to) } + } other => other, } } @@ -70,13 +130,16 @@ impl Type { // Push each non-constant term to `sorted` to sort them. Recur on InfixExprs with the same operator. while let Some(item) = queue.pop() { - match item.canonicalize() { - Type::InfixExpr(lhs, new_op, rhs) if new_op == op => { - queue.push(*lhs); - queue.push(*rhs); + match item.canonicalize_unchecked() { + Type::InfixExpr(lhs_inner, new_op, rhs_inner) if new_op == op => { + queue.push(*lhs_inner); + queue.push(*rhs_inner); } Type::Constant(new_constant, new_constant_kind) => { - if let Some(result) = op.function(constant, new_constant, &new_constant_kind) { + let dummy_span = Span::default(); + if let Ok(result) = + op.function(constant, new_constant, &new_constant_kind, dummy_span) + { constant = result; } else { let constant = Type::Constant(new_constant, new_constant_kind); @@ -126,20 +189,27 @@ impl Type { op: BinaryTypeOperator, rhs: &Type, ) -> Option { - let Type::InfixExpr(l_lhs, l_op, l_rhs) = lhs.follow_bindings() else { - return None; - }; + match lhs.follow_bindings() { + Type::CheckedCast { from, to } => { + // Apply operation directly to `from` while attempting simplification to `to`. + let from = Type::InfixExpr(from, op, Box::new(rhs.clone())); + let to = Self::try_simplify_non_constants_in_lhs(&to, op, rhs)?; + Some(Type::CheckedCast { from: Box::new(from), to: Box::new(to) }) + } + Type::InfixExpr(l_lhs, l_op, l_rhs) => { + // Note that this is exact, syntactic equality, not unification. + // `rhs` is expected to already be in canonical form. + if l_op.approx_inverse() != Some(op) + || l_op == BinaryTypeOperator::Division + || l_rhs.canonicalize_unchecked() != *rhs + { + return None; + } - // Note that this is exact, syntactic equality, not unification. - // `rhs` is expected to already be in canonical form. - if l_op.approx_inverse() != Some(op) - || l_op == BinaryTypeOperator::Division - || l_rhs.canonicalize() != *rhs - { - return None; + Some(*l_lhs) + } + _ => None, } - - Some(*l_lhs) } /// Try to simplify non-constant expressions in the form `N op1 (M op1 N)` @@ -156,23 +226,31 @@ impl Type { op: BinaryTypeOperator, rhs: &Type, ) -> Option { - let Type::InfixExpr(r_lhs, r_op, r_rhs) = rhs.follow_bindings() else { - return None; - }; + match rhs.follow_bindings() { + Type::CheckedCast { from, to } => { + // Apply operation directly to `from` while attempting simplification to `to`. + let from = Type::InfixExpr(Box::new(lhs.clone()), op, from); + let to = Self::try_simplify_non_constants_in_rhs(lhs, op, &to)?; + Some(Type::CheckedCast { from: Box::new(from), to: Box::new(to) }) + } + Type::InfixExpr(r_lhs, r_op, r_rhs) => { + // `N / (M * N)` should be simplified to `1 / M`, but we only handle + // simplifying to `M` in this function. + if op == BinaryTypeOperator::Division && r_op == BinaryTypeOperator::Multiplication + { + return None; + } - // `N / (M * N)` should be simplified to `1 / M`, but we only handle - // simplifying to `M` in this function. - if op == BinaryTypeOperator::Division && r_op == BinaryTypeOperator::Multiplication { - return None; - } + // Note that this is exact, syntactic equality, not unification. + // `lhs` is expected to already be in canonical form. + if r_op.inverse() != Some(op) || *lhs != r_rhs.canonicalize_unchecked() { + return None; + } - // Note that this is exact, syntactic equality, not unification. - // `lhs` is expected to already be in canonical form. - if r_op.inverse() != Some(op) || *lhs != r_rhs.canonicalize() { - return None; + Some(*r_lhs) + } + _ => None, } - - Some(*r_lhs) } /// Given: @@ -187,13 +265,15 @@ impl Type { rhs: &Type, ) -> Option<(Box, BinaryTypeOperator, FieldElement, FieldElement)> { let kind = lhs.infix_kind(rhs); - let rhs = rhs.evaluate_to_field_element(&kind)?; + let dummy_span = Span::default(); + let rhs = rhs.evaluate_to_field_element(&kind, dummy_span).ok()?; let Type::InfixExpr(l_type, l_op, l_rhs) = lhs.follow_bindings() else { return None; }; - let l_rhs = l_rhs.evaluate_to_field_element(&kind)?; + let dummy_span = Span::default(); + let l_rhs = l_rhs.evaluate_to_field_element(&kind, dummy_span).ok()?; Some((l_type, l_op, l_rhs, rhs)) } @@ -218,7 +298,9 @@ impl Type { if l_op == Subtraction { op = op.inverse()?; } - let result = op.function(l_const, r_const, &lhs.infix_kind(rhs))?; + let dummy_span = Span::default(); + let result = + op.function(l_const, r_const, &lhs.infix_kind(rhs), dummy_span).ok()?; let constant = Type::Constant(result, lhs.infix_kind(rhs)); Some(Type::InfixExpr(l_type, l_op, Box::new(constant))) } @@ -231,7 +313,9 @@ impl Type { if op == Division && (r_const == FieldElement::zero() || !divides_evenly) { None } else { - let result = op.function(l_const, r_const, &lhs.infix_kind(rhs))?; + let dummy_span = Span::default(); + let result = + op.function(l_const, r_const, &lhs.infix_kind(rhs), dummy_span).ok()?; let constant = Box::new(Type::Constant(result, lhs.infix_kind(rhs))); Some(Type::InfixExpr(l_type, l_op, constant)) } @@ -250,7 +334,8 @@ impl Type { if let Type::InfixExpr(lhs_a, op_a, rhs_a) = self { if let Some(inverse) = op_a.approx_inverse() { let kind = lhs_a.infix_kind(rhs_a); - if let Some(rhs_a_value) = rhs_a.evaluate_to_field_element(&kind) { + let dummy_span = Span::default(); + if let Ok(rhs_a_value) = rhs_a.evaluate_to_field_element(&kind, dummy_span) { let rhs_a = Box::new(Type::Constant(rhs_a_value, kind)); let new_other = Type::InfixExpr(Box::new(other.clone()), inverse, rhs_a); @@ -266,7 +351,8 @@ impl Type { if let Type::InfixExpr(lhs_b, op_b, rhs_b) = other { if let Some(inverse) = op_b.approx_inverse() { let kind = lhs_b.infix_kind(rhs_b); - if let Some(rhs_b_value) = rhs_b.evaluate_to_field_element(&kind) { + let dummy_span = Span::default(); + if let Ok(rhs_b_value) = rhs_b.evaluate_to_field_element(&kind, dummy_span) { let rhs_b = Box::new(Type::Constant(rhs_b_value, kind)); let new_self = Type::InfixExpr(Box::new(self.clone()), inverse, rhs_b); @@ -282,3 +368,301 @@ impl Type { Err(UnificationError) } } + +#[cfg(test)] +mod tests { + use acvm::{AcirField, FieldElement}; + + use crate::hir_def::types::{BinaryTypeOperator, Kind, Type, TypeVariable, TypeVariableId}; + + #[test] + fn solves_n_minus_one_plus_one_through_checked_casts() { + // We want to test that the inclusion of a `CheckedCast` won't prevent us from canonicalizing + // the expression `(N - 1) + 1` to `N` if there exists a `CheckedCast` on the `N - 1` term. + + let n = Type::NamedGeneric( + TypeVariable::unbound(TypeVariableId(0), Kind::u32()), + std::rc::Rc::new("N".to_owned()), + ); + let n_minus_one = Type::InfixExpr( + Box::new(n.clone()), + BinaryTypeOperator::Subtraction, + Box::new(Type::Constant(FieldElement::one(), Kind::u32())), + ); + let checked_cast_n_minus_one = + Type::CheckedCast { from: Box::new(n_minus_one.clone()), to: Box::new(n_minus_one) }; + + let n_minus_one_plus_one = Type::InfixExpr( + Box::new(checked_cast_n_minus_one.clone()), + BinaryTypeOperator::Addition, + Box::new(Type::Constant(FieldElement::one(), Kind::u32())), + ); + + let canonicalized_typ = n_minus_one_plus_one.canonicalize(); + + assert_eq!(n, canonicalized_typ); + + // We also want to check that if the `CheckedCast` is on the RHS then we'll still be able to canonicalize + // the expression `1 + (N - 1)` to `N`. + + let one_plus_n_minus_one = Type::InfixExpr( + Box::new(Type::Constant(FieldElement::one(), Kind::u32())), + BinaryTypeOperator::Addition, + Box::new(checked_cast_n_minus_one), + ); + + let canonicalized_typ = one_plus_n_minus_one.canonicalize(); + + assert_eq!(n, canonicalized_typ); + } + + #[test] + fn instantiate_after_canonicalize_smoke_test() { + let field_element_kind = Kind::numeric(Type::FieldElement); + let x_var = TypeVariable::unbound(TypeVariableId(0), field_element_kind.clone()); + let x_type = Type::TypeVariable(x_var.clone()); + let one = Type::Constant(FieldElement::one(), field_element_kind.clone()); + + let lhs = Type::InfixExpr( + Box::new(x_type.clone()), + BinaryTypeOperator::Addition, + Box::new(one.clone()), + ); + let rhs = + Type::InfixExpr(Box::new(one), BinaryTypeOperator::Addition, Box::new(x_type.clone())); + + // canonicalize + let lhs = lhs.canonicalize(); + let rhs = rhs.canonicalize(); + + // bind vars + let two = Type::Constant(FieldElement::from(2u128), field_element_kind.clone()); + x_var.bind(two); + + // canonicalize (expect constant) + let lhs = lhs.canonicalize(); + let rhs = rhs.canonicalize(); + + // ensure we've canonicalized to constants + assert!(matches!(lhs, Type::Constant(..))); + assert!(matches!(rhs, Type::Constant(..))); + + // ensure result kinds are the same as the original kind + assert_eq!(lhs.kind(), field_element_kind); + assert_eq!(rhs.kind(), field_element_kind); + + // ensure results are the same + assert_eq!(lhs, rhs); + } +} + +#[cfg(test)] +mod proptests { + + use acvm::{AcirField, FieldElement}; + use proptest::arbitrary::any; + use proptest::collection; + use proptest::prelude::*; + use proptest::result::maybe_ok; + use proptest::strategy; + + use crate::ast::{IntegerBitSize, Signedness}; + use crate::hir_def::types::{BinaryTypeOperator, Kind, Type, TypeVariable, TypeVariableId}; + + prop_compose! { + // maximum_size must be non-zero + fn arbitrary_u128_field_element(maximum_size: u128) + (u128_value in any::()) + -> FieldElement + { + assert!(maximum_size != 0); + FieldElement::from(u128_value % maximum_size) + } + } + + // NOTE: this is roughly the same method from acvm/tests/solver + prop_compose! { + // Use both `u128` and hex proptest strategies + fn arbitrary_field_element() + (u128_or_hex in maybe_ok(any::(), "[0-9a-f]{64}")) + -> FieldElement + { + match u128_or_hex { + Ok(number) => FieldElement::from(number), + Err(hex) => FieldElement::from_hex(&hex).expect("should accept any 32 byte hex string"), + } + } + } + + // Generate (arbitrary_unsigned_type, generator for that type) + fn arbitrary_unsigned_type_with_generator() -> BoxedStrategy<(Type, BoxedStrategy)> + { + prop_oneof![ + strategy::Just((Type::FieldElement, arbitrary_field_element().boxed())), + any::().prop_map(|bit_size| { + let typ = Type::Integer(Signedness::Unsigned, bit_size); + let maximum_size = typ.integral_maximum_size().unwrap().to_u128(); + (typ, arbitrary_u128_field_element(maximum_size).boxed()) + }), + strategy::Just((Type::Bool, arbitrary_u128_field_element(1).boxed())), + ] + .boxed() + } + + prop_compose! { + fn arbitrary_variable(typ: Type, num_variables: usize) + (variable_index in any::()) + -> Type { + assert!(num_variables != 0); + let id = TypeVariableId(variable_index % num_variables); + let kind = Kind::numeric(typ.clone()); + let var = TypeVariable::unbound(id, kind); + Type::TypeVariable(var) + } + } + + fn first_n_variables(typ: Type, num_variables: usize) -> impl Iterator { + (0..num_variables).map(move |id| { + let id = TypeVariableId(id); + let kind = Kind::numeric(typ.clone()); + TypeVariable::unbound(id, kind) + }) + } + + fn arbitrary_infix_expr( + typ: Type, + arbitrary_value: BoxedStrategy, + num_variables: usize, + ) -> impl Strategy { + let leaf = prop_oneof![ + arbitrary_variable(typ.clone(), num_variables), + arbitrary_value + .prop_map(move |value| Type::Constant(value, Kind::numeric(typ.clone()))), + ]; + + leaf.prop_recursive( + 8, // 8 levels deep maximum + 256, // Shoot for maximum size of 256 nodes + 10, // We put up to 10 items per collection + |inner| { + (inner.clone(), any::(), inner) + .prop_map(|(lhs, op, rhs)| Type::InfixExpr(Box::new(lhs), op, Box::new(rhs))) + }, + ) + } + + prop_compose! { + // (infix_expr, type, generator) + fn arbitrary_infix_expr_type_gen(num_variables: usize) + (type_and_gen in arbitrary_unsigned_type_with_generator()) + (infix_expr in arbitrary_infix_expr(type_and_gen.clone().0, type_and_gen.clone().1, num_variables), type_and_gen in Just(type_and_gen)) + -> (Type, Type, BoxedStrategy) { + let (typ, value_generator) = type_and_gen; + (infix_expr, typ, value_generator) + } + } + + prop_compose! { + // (Type::InfixExpr, numeric kind, bindings) + fn arbitrary_infix_expr_with_bindings_sized(num_variables: usize) + (infix_type_gen in arbitrary_infix_expr_type_gen(num_variables)) + (values in collection::vec(infix_type_gen.clone().2, num_variables), infix_type_gen in Just(infix_type_gen)) + -> (Type, Type, Vec<(TypeVariable, Type)>) { + let (infix_expr, typ, _value_generator) = infix_type_gen; + let bindings: Vec<_> = first_n_variables(typ.clone(), num_variables) + .zip(values.iter().map(|value| { + Type::Constant(*value, Kind::numeric(typ.clone())) + })) + .collect(); + (infix_expr, typ, bindings) + } + } + + prop_compose! { + // the lint misfires on 'num_variables' + #[allow(unused_variables)] + fn arbitrary_infix_expr_with_bindings(max_num_variables: usize) + (num_variables in any::().prop_map(move |num_variables| (num_variables % max_num_variables).clamp(1, max_num_variables))) + (infix_type_bindings in arbitrary_infix_expr_with_bindings_sized(num_variables), num_variables in Just(num_variables)) + -> (Type, Type, Vec<(TypeVariable, Type)>) { + infix_type_bindings + } + } + + proptest! { + #[test] + // Expect cases that don't resolve to constants, e.g. see + // `arithmetic_generics_checked_cast_indirect_zeros` + #[should_panic(expected = "matches!(infix, Type :: Constant(..))")] + fn instantiate_before_or_after_canonicalize(infix_type_bindings in arbitrary_infix_expr_with_bindings(10)) { + let (infix, typ, bindings) = infix_type_bindings; + + // canonicalize + let infix_canonicalized = infix.canonicalize(); + + // bind vars + for (var, binding) in bindings { + var.bind(binding); + } + + // attempt to canonicalize to a constant + let infix = infix.canonicalize(); + let infix_canonicalized = infix_canonicalized.canonicalize(); + + // ensure we've canonicalized to constants + prop_assert!(matches!(infix, Type::Constant(..))); + prop_assert!(matches!(infix_canonicalized, Type::Constant(..))); + + // ensure result kinds are the same as the original kind + let kind = Kind::numeric(typ); + prop_assert_eq!(infix.kind(), kind.clone()); + prop_assert_eq!(infix_canonicalized.kind(), kind); + + // ensure results are the same + prop_assert_eq!(infix, infix_canonicalized); + } + + #[test] + fn instantiate_before_or_after_canonicalize_checked_cast(infix_type_bindings in arbitrary_infix_expr_with_bindings(10)) { + let (infix, typ, bindings) = infix_type_bindings; + + // wrap in CheckedCast + let infix = Type::CheckedCast { + from: Box::new(infix.clone()), + to: Box::new(infix) + }; + + // canonicalize + let infix_canonicalized = infix.canonicalize(); + + // bind vars + for (var, binding) in bindings { + var.bind(binding); + } + + // attempt to canonicalize to a constant + let infix = infix.canonicalize(); + let infix_canonicalized = infix_canonicalized.canonicalize(); + + // ensure result kinds are the same as the original kind + let kind = Kind::numeric(typ); + prop_assert_eq!(infix.kind(), kind.clone()); + prop_assert_eq!(infix_canonicalized.kind(), kind.clone()); + + // ensure the results are still wrapped in CheckedCast's + match (&infix, &infix_canonicalized) { + (Type::CheckedCast { from, to }, Type::CheckedCast { from: from_canonicalized, to: to_canonicalized }) => { + // ensure from's are the same + prop_assert_eq!(from, from_canonicalized); + + // ensure to's have the same kinds + prop_assert_eq!(to.kind(), kind.clone()); + prop_assert_eq!(to_canonicalized.kind(), kind); + } + _ => { + prop_assert!(false, "expected CheckedCast"); + } + } + } + } +} diff --git a/noir/noir-repo/compiler/noirc_frontend/src/lexer/errors.rs b/noir/noir-repo/compiler/noirc_frontend/src/lexer/errors.rs index 66f79bd444b..8d799ef35d1 100644 --- a/noir/noir-repo/compiler/noirc_frontend/src/lexer/errors.rs +++ b/noir/noir-repo/compiler/noirc_frontend/src/lexer/errors.rs @@ -20,6 +20,8 @@ pub enum LexerErrorKind { IntegerLiteralTooLarge { span: Span, limit: String }, #[error("{:?} is not a valid attribute", found)] MalformedFuncAttribute { span: Span, found: String }, + #[error("Malformed test attribute")] + MalformedTestAttribute { span: Span }, #[error("{:?} is not a valid inner attribute", found)] InvalidInnerAttribute { span: Span, found: String }, #[error("Logical and used instead of bitwise and")] @@ -61,6 +63,7 @@ impl LexerErrorKind { LexerErrorKind::InvalidIntegerLiteral { span, .. } => *span, LexerErrorKind::IntegerLiteralTooLarge { span, .. } => *span, LexerErrorKind::MalformedFuncAttribute { span, .. } => *span, + LexerErrorKind::MalformedTestAttribute { span, .. } => *span, LexerErrorKind::InvalidInnerAttribute { span, .. } => *span, LexerErrorKind::LogicalAnd { span } => *span, LexerErrorKind::UnterminatedBlockComment { span } => *span, @@ -109,6 +112,11 @@ impl LexerErrorKind { format!(" {found} is not a valid attribute"), *span, ), + LexerErrorKind::MalformedTestAttribute { span } => ( + "Malformed test attribute".to_string(), + "The test attribute can be written in one of these forms: `#[test]`, `#[test(should_fail)]` or `#[test(should_fail_with = \"message\")]`".to_string(), + *span, + ), LexerErrorKind::InvalidInnerAttribute { span, found } => ( "Invalid inner attribute".to_string(), format!(" {found} is not a valid inner attribute"), diff --git a/noir/noir-repo/compiler/noirc_frontend/src/lexer/lexer.rs b/noir/noir-repo/compiler/noirc_frontend/src/lexer/lexer.rs index 904ce41fbf0..68dc142ff10 100644 --- a/noir/noir-repo/compiler/noirc_frontend/src/lexer/lexer.rs +++ b/noir/noir-repo/compiler/noirc_frontend/src/lexer/lexer.rs @@ -1,4 +1,4 @@ -use crate::token::{Attribute, DocStyle}; +use crate::token::DocStyle; use super::{ errors::LexerErrorKind, @@ -139,7 +139,7 @@ impl<'a> Lexer<'a> { Some('f') => self.eat_format_string_or_alpha_numeric(), Some('r') => self.eat_raw_string_or_alpha_numeric(), Some('q') => self.eat_quote_or_alpha_numeric(), - Some('#') => self.eat_attribute(), + Some('#') => self.eat_attribute_start(), Some(ch) if ch.is_ascii_alphanumeric() || ch == '_' => self.eat_alpha_numeric(ch), Some(ch) => { // We don't report invalid tokens in the source as errors until parsing to @@ -282,7 +282,7 @@ impl<'a> Lexer<'a> { } } - fn eat_attribute(&mut self) -> SpannedTokenResult { + fn eat_attribute_start(&mut self) -> SpannedTokenResult { let start = self.position; let is_inner = if self.peek_char_is('!') { @@ -306,40 +306,9 @@ impl<'a> Lexer<'a> { self.next_char(); } - let contents_start = self.position + 1; - - let word = self.eat_while(None, |ch| ch != ']'); - - let contents_end = self.position; - - if !self.peek_char_is(']') { - return Err(LexerErrorKind::UnexpectedCharacter { - span: Span::single_char(self.position), - expected: "]".to_owned(), - found: self.next_char(), - }); - } - self.next_char(); - let end = self.position; - let span = Span::inclusive(start, end); - let contents_span = Span::inclusive(contents_start, contents_end); - - let attribute = Attribute::lookup_attribute(&word, span, contents_span, is_tag)?; - if is_inner { - match attribute { - Attribute::Function(attribute) => Err(LexerErrorKind::InvalidInnerAttribute { - span: Span::from(start..end), - found: attribute.to_string(), - }), - Attribute::Secondary(attribute) => { - Ok(Token::InnerAttribute(attribute).into_span(start, end)) - } - } - } else { - Ok(Token::Attribute(attribute).into_span(start, end)) - } + Ok(Token::AttributeStart { is_inner, is_tag }.into_span(start, end)) } //XXX(low): Can increase performance if we use iterator semantic and utilize some of the methods on String. See below @@ -371,11 +340,11 @@ impl<'a> Lexer<'a> { // Check if word an int type // if no error occurred, then it is either a valid integer type or it is not an int type - let parsed_token = IntType::lookup_int_type(&word)?; + let parsed_token = IntType::lookup_int_type(&word); // Check if it is an int type - if let Some(int_type_token) = parsed_token { - return Ok(int_type_token.into_span(start, end)); + if let Some(int_type) = parsed_token { + return Ok(Token::IntType(int_type).into_span(start, end)); } // Else it is just an identifier @@ -725,7 +694,6 @@ mod tests { use iter_extended::vecmap; use super::*; - use crate::token::{CustomAttribute, FunctionAttribute, SecondaryAttribute, TestScope}; #[test] fn test_single_multi_char() { @@ -785,179 +753,39 @@ mod tests { } #[test] - fn deprecated_attribute() { - let input = r#"#[deprecated]"#; - let mut lexer = Lexer::new(input); - - let token = lexer.next_token().unwrap(); - assert_eq!( - token.token(), - &Token::Attribute(Attribute::Secondary(SecondaryAttribute::Deprecated(None))) - ); - } - - #[test] - fn test_attribute_with_common_punctuation() { - let input = - r#"#[test(should_fail_with = "stmt. q? exclaim! & symbols, 1% shouldn't fail")]"#; - let mut lexer = Lexer::new(input); - - let token = lexer.next_token().unwrap().token().clone(); - assert_eq!( - token, - Token::Attribute(Attribute::Function(FunctionAttribute::Test( - TestScope::ShouldFailWith { - reason: "stmt. q? exclaim! & symbols, 1% shouldn't fail".to_owned().into() - } - ))) - ); - } - - #[test] - fn deprecated_attribute_with_note() { - let input = r#"#[deprecated("hello")]"#; - let mut lexer = Lexer::new(input); - - let token = lexer.next_token().unwrap(); - assert_eq!( - token.token(), - &Token::Attribute(Attribute::Secondary(crate::token::SecondaryAttribute::Deprecated( - "hello".to_string().into() - ))) - ); - } - - #[test] - fn test_custom_gate_syntax() { - let input = "#[foreign(sha256)]#[foreign(blake2s)]#[builtin(sum)]"; - - let expected = vec![ - Token::Attribute(Attribute::Function(FunctionAttribute::Foreign("sha256".to_string()))), - Token::Attribute(Attribute::Function(FunctionAttribute::Foreign( - "blake2s".to_string(), - ))), - Token::Attribute(Attribute::Function(FunctionAttribute::Builtin("sum".to_string()))), - ]; - - let mut lexer = Lexer::new(input); - for token in expected.into_iter() { - let got = lexer.next_token().unwrap(); - assert_eq!(got, token); - } - } - - #[test] - fn tag_attribute() { - let input = r#"#['custom(hello)]"#; - let mut lexer = Lexer::new(input); - - let token = lexer.next_token().unwrap(); - assert_eq!( - token.token(), - &Token::Attribute(Attribute::Secondary(SecondaryAttribute::Tag(CustomAttribute { - contents: "custom(hello)".to_string(), - span: Span::from(0..17), - contents_span: Span::from(3..16) - }))) - ); - } - - #[test] - fn test_attribute() { - let input = r#"#[test]"#; - let mut lexer = Lexer::new(input); - - let token = lexer.next_token().unwrap(); - assert_eq!( - token.token(), - &Token::Attribute(Attribute::Function(FunctionAttribute::Test(TestScope::None))) - ); - } - - #[test] - fn fold_attribute() { - let input = r#"#[fold]"#; - - let mut lexer = Lexer::new(input); - let token = lexer.next_token().unwrap(); - - assert_eq!(token.token(), &Token::Attribute(Attribute::Function(FunctionAttribute::Fold))); - } - - #[test] - fn contract_library_method_attribute() { - let input = r#"#[contract_library_method]"#; + fn test_attribute_start() { + let input = r#"#[something]"#; let mut lexer = Lexer::new(input); let token = lexer.next_token().unwrap(); - assert_eq!( - token.token(), - &Token::Attribute(Attribute::Secondary(SecondaryAttribute::ContractLibraryMethod)) - ); + assert_eq!(token.token(), &Token::AttributeStart { is_inner: false, is_tag: false }); } #[test] - fn test_attribute_with_valid_scope() { - let input = r#"#[test(should_fail)]"#; + fn test_attribute_start_with_tag() { + let input = r#"#['something]"#; let mut lexer = Lexer::new(input); let token = lexer.next_token().unwrap(); - assert_eq!( - token.token(), - &Token::Attribute(Attribute::Function(FunctionAttribute::Test( - TestScope::ShouldFailWith { reason: None } - ))) - ); + assert_eq!(token.token(), &Token::AttributeStart { is_inner: false, is_tag: true }); } #[test] - fn test_attribute_with_valid_scope_should_fail_with() { - let input = r#"#[test(should_fail_with = "hello")]"#; + fn test_inner_attribute_start() { + let input = r#"#![something]"#; let mut lexer = Lexer::new(input); let token = lexer.next_token().unwrap(); - assert_eq!( - token.token(), - &Token::Attribute(Attribute::Function(FunctionAttribute::Test( - TestScope::ShouldFailWith { reason: Some("hello".to_owned()) } - ))) - ); + assert_eq!(token.token(), &Token::AttributeStart { is_inner: true, is_tag: false }); } #[test] - fn test_attribute_with_invalid_scope() { - let input = r#"#[test(invalid_scope)]"#; - let mut lexer = Lexer::new(input); - - let token = lexer.next().unwrap(); - let err = match token { - Ok(_) => panic!("test has an invalid scope, so expected an error"), - Err(err) => err, - }; - - // Check if error is MalformedFuncAttribute and found is "foo" - let sub_string = match err { - LexerErrorKind::MalformedFuncAttribute { found, .. } => found, - _ => panic!("expected malformed func attribute error"), - }; - - assert_eq!(sub_string, "test(invalid_scope)"); - } - - #[test] - fn test_inner_attribute() { - let input = r#"#![something]"#; + fn test_inner_attribute_start_with_tag() { + let input = r#"#!['something]"#; let mut lexer = Lexer::new(input); let token = lexer.next_token().unwrap(); - assert_eq!( - token.token(), - &Token::InnerAttribute(SecondaryAttribute::Meta(CustomAttribute { - contents: "something".to_string(), - span: Span::from(0..13), - contents_span: Span::from(3..12), - })) - ); + assert_eq!(token.token(), &Token::AttributeStart { is_inner: true, is_tag: true }); } #[test] diff --git a/noir/noir-repo/compiler/noirc_frontend/src/lexer/token.rs b/noir/noir-repo/compiler/noirc_frontend/src/lexer/token.rs index daf59445982..bf0e675e670 100644 --- a/noir/noir-repo/compiler/noirc_frontend/src/lexer/token.rs +++ b/noir/noir-repo/compiler/noirc_frontend/src/lexer/token.rs @@ -1,9 +1,9 @@ use acvm::FieldElement; use noirc_errors::{Position, Span, Spanned}; -use std::fmt; +use std::fmt::{self, Display}; use crate::{ - lexer::errors::LexerErrorKind, + ast::{Expression, Path}, node_interner::{ ExprId, InternedExpressionKind, InternedPattern, InternedStatementKind, InternedUnresolvedTypeData, QuotedTypeId, @@ -28,8 +28,10 @@ pub enum BorrowedToken<'input> { FmtStr(&'input str), Keyword(Keyword), IntType(IntType), - Attribute(Attribute), - InnerAttribute(SecondaryAttribute), + AttributeStart { + is_inner: bool, + is_tag: bool, + }, LineComment(&'input str, Option), BlockComment(&'input str, Option), Quote(&'input Tokens), @@ -137,8 +139,10 @@ pub enum Token { FmtStr(String), Keyword(Keyword), IntType(IntType), - Attribute(Attribute), - InnerAttribute(SecondaryAttribute), + AttributeStart { + is_inner: bool, + is_tag: bool, + }, LineComment(String, Option), BlockComment(String, Option), // A `quote { ... }` along with the tokens in its token stream. @@ -254,8 +258,9 @@ pub fn token_to_borrowed_token(token: &Token) -> BorrowedToken<'_> { Token::FmtStr(ref b) => BorrowedToken::FmtStr(b), Token::RawStr(ref b, hashes) => BorrowedToken::RawStr(b, *hashes), Token::Keyword(k) => BorrowedToken::Keyword(*k), - Token::Attribute(ref a) => BorrowedToken::Attribute(a.clone()), - Token::InnerAttribute(ref a) => BorrowedToken::InnerAttribute(a.clone()), + Token::AttributeStart { is_inner, is_tag } => { + BorrowedToken::AttributeStart { is_inner: *is_inner, is_tag: *is_tag } + } Token::LineComment(ref s, _style) => BorrowedToken::LineComment(s, *_style), Token::BlockComment(ref s, _style) => BorrowedToken::BlockComment(s, *_style), Token::Quote(stream) => BorrowedToken::Quote(stream), @@ -376,8 +381,17 @@ impl fmt::Display for Token { write!(f, "r{h}{b:?}{h}") } Token::Keyword(k) => write!(f, "{k}"), - Token::Attribute(ref a) => write!(f, "{a}"), - Token::InnerAttribute(ref a) => write!(f, "#![{}]", a.contents()), + Token::AttributeStart { is_inner, is_tag } => { + write!(f, "#")?; + if is_inner { + write!(f, "!")?; + } + write!(f, "[")?; + if is_tag { + write!(f, "'")?; + } + Ok(()) + } Token::LineComment(ref s, style) => match style { Some(DocStyle::Inner) => write!(f, "//!{s}"), Some(DocStyle::Outer) => write!(f, "///{s}"), @@ -503,8 +517,6 @@ impl Token { | Token::RawStr(..) | Token::FmtStr(_) => TokenKind::Literal, Token::Keyword(_) => TokenKind::Keyword, - Token::Attribute(_) => TokenKind::Attribute, - Token::InnerAttribute(_) => TokenKind::InnerAttribute, Token::UnquoteMarker(_) => TokenKind::UnquoteMarker, Token::Quote(_) => TokenKind::Quote, Token::QuotedType(_) => TokenKind::QuotedType, @@ -585,7 +597,7 @@ impl IntType { // XXX: Result // Is not the best API. We could split this into two functions. One that checks if the // word is a integer, which only returns an Option - pub(crate) fn lookup_int_type(word: &str) -> Result, LexerErrorKind> { + pub fn lookup_int_type(word: &str) -> Option { // Check if the first string is a 'u' or 'i' let is_signed = if word.starts_with('i') { @@ -593,20 +605,20 @@ impl IntType { } else if word.starts_with('u') { false } else { - return Ok(None); + return None; }; // Word start with 'u' or 'i'. Check if the latter is an integer let str_as_u32 = match word[1..].parse::() { Ok(str_as_u32) => str_as_u32, - Err(_) => return Ok(None), + Err(_) => return None, }; if is_signed { - Ok(Some(Token::IntType(IntType::Signed(str_as_u32)))) + Some(IntType::Signed(str_as_u32)) } else { - Ok(Some(Token::IntType(IntType::Unsigned(str_as_u32)))) + Some(IntType::Unsigned(str_as_u32)) } } } @@ -622,25 +634,6 @@ pub enum TestScope { None, } -impl TestScope { - fn lookup_str(string: &str) -> Option { - match string.trim() { - "should_fail" => Some(TestScope::ShouldFailWith { reason: None }), - s if s.starts_with("should_fail_with") => { - let parts: Vec<&str> = s.splitn(2, '=').collect(); - if parts.len() == 2 { - let reason = parts[1].trim(); - let reason = reason.trim_matches('"'); - Some(TestScope::ShouldFailWith { reason: Some(reason.to_string()) }) - } else { - None - } - } - _ => None, - } - } -} - impl fmt::Display for TestScope { fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { match self { @@ -653,13 +646,13 @@ impl fmt::Display for TestScope { } } -#[derive(PartialEq, Eq, Hash, Debug, Clone, PartialOrd, Ord)] +#[derive(PartialEq, Eq, Debug, Clone)] // Attributes are special language markers in the target language // An example of one is `#[SHA256]` . Currently only Foreign attributes are supported // Calls to functions which have the foreign attribute are executed in the host language pub struct Attributes { // Each function can have a single Primary Attribute - pub function: Option, + pub function: Option<(FunctionAttribute, usize /* index in list */)>, // Each function can have many Secondary Attributes pub secondary: Vec, } @@ -669,6 +662,15 @@ impl Attributes { Self { function: None, secondary: Vec::new() } } + pub fn function(&self) -> Option<&FunctionAttribute> { + self.function.as_ref().map(|(attr, _)| attr) + } + + pub fn set_function(&mut self, function: FunctionAttribute) { + // Assume the index in the list doesn't matter anymore at this point + self.function = Some((function, 0)); + } + /// Returns true if one of the secondary attributes is `contract_library_method` /// /// This is useful for finding out if we should compile a contract method @@ -680,7 +682,7 @@ impl Attributes { } pub fn is_test_function(&self) -> bool { - matches!(self.function, Some(FunctionAttribute::Test(_))) + matches!(self.function(), Some(FunctionAttribute::Test(_))) } /// True if these attributes mean the given function is an entry point function if it was @@ -708,11 +710,11 @@ impl Attributes { } pub fn is_foldable(&self) -> bool { - self.function.as_ref().map_or(false, |func_attribute| func_attribute.is_foldable()) + self.function().map_or(false, |func_attribute| func_attribute.is_foldable()) } pub fn is_no_predicates(&self) -> bool { - self.function.as_ref().map_or(false, |func_attribute| func_attribute.is_no_predicates()) + self.function().map_or(false, |func_attribute| func_attribute.is_no_predicates()) } pub fn has_varargs(&self) -> bool { @@ -727,7 +729,7 @@ impl Attributes { /// An Attribute can be either a Primary Attribute or a Secondary Attribute /// A Primary Attribute can alter the function type, thus there can only be one /// A secondary attribute has no effect and is either consumed by a library or used as a notice for the developer -#[derive(PartialEq, Eq, Hash, Debug, Clone, PartialOrd, Ord)] +#[derive(PartialEq, Eq, Debug, Clone)] pub enum Attribute { Function(FunctionAttribute), Secondary(SecondaryAttribute), @@ -742,110 +744,6 @@ impl fmt::Display for Attribute { } } -impl Attribute { - /// If the string is a fixed attribute return that, else - /// return the custom attribute - pub(crate) fn lookup_attribute( - word: &str, - span: Span, - contents_span: Span, - is_tag: bool, - ) -> Result { - let word_segments: Vec<&str> = word - .split(|c| c == '(' || c == ')') - .filter(|string_segment| !string_segment.is_empty()) - .collect(); - - let validate = |slice: &str| { - let is_valid = slice - .chars() - .all(|ch| { - ch.is_ascii_alphabetic() - || ch.is_numeric() - || ch.is_ascii_punctuation() - || ch == ' ' - }) - .then_some(()); - - is_valid.ok_or(LexerErrorKind::MalformedFuncAttribute { span, found: word.to_owned() }) - }; - - if is_tag { - return Ok(Attribute::Secondary(SecondaryAttribute::Tag(CustomAttribute { - contents: word.to_owned(), - span, - contents_span, - }))); - } - - let attribute = match &word_segments[..] { - // Primary Attributes - ["foreign", name] => { - validate(name)?; - Attribute::Function(FunctionAttribute::Foreign(name.to_string())) - } - ["builtin", name] => { - validate(name)?; - Attribute::Function(FunctionAttribute::Builtin(name.to_string())) - } - ["oracle", name] => { - validate(name)?; - Attribute::Function(FunctionAttribute::Oracle(name.to_string())) - } - ["test"] => Attribute::Function(FunctionAttribute::Test(TestScope::None)), - ["recursive"] => Attribute::Function(FunctionAttribute::Recursive), - ["fold"] => Attribute::Function(FunctionAttribute::Fold), - ["no_predicates"] => Attribute::Function(FunctionAttribute::NoPredicates), - ["inline_always"] => Attribute::Function(FunctionAttribute::InlineAlways), - ["test", name] => { - validate(name)?; - let malformed_scope = - LexerErrorKind::MalformedFuncAttribute { span, found: word.to_owned() }; - match TestScope::lookup_str(name) { - Some(scope) => Attribute::Function(FunctionAttribute::Test(scope)), - None => return Err(malformed_scope), - } - } - ["field", name] => { - validate(name)?; - Attribute::Secondary(SecondaryAttribute::Field(name.to_string())) - } - // Secondary attributes - ["deprecated"] => Attribute::Secondary(SecondaryAttribute::Deprecated(None)), - ["contract_library_method"] => { - Attribute::Secondary(SecondaryAttribute::ContractLibraryMethod) - } - ["abi", tag] => Attribute::Secondary(SecondaryAttribute::Abi(tag.to_string())), - ["export"] => Attribute::Secondary(SecondaryAttribute::Export), - ["deprecated", name] => { - if !name.starts_with('"') && !name.ends_with('"') { - return Err(LexerErrorKind::MalformedFuncAttribute { - span, - found: word.to_owned(), - }); - } - - Attribute::Secondary(SecondaryAttribute::Deprecated( - name.trim_matches('"').to_string().into(), - )) - } - ["varargs"] => Attribute::Secondary(SecondaryAttribute::Varargs), - ["use_callers_scope"] => Attribute::Secondary(SecondaryAttribute::UseCallersScope), - ["allow", tag] => Attribute::Secondary(SecondaryAttribute::Allow(tag.to_string())), - tokens => { - tokens.iter().try_for_each(|token| validate(token))?; - Attribute::Secondary(SecondaryAttribute::Meta(CustomAttribute { - contents: word.to_owned(), - span, - contents_span, - })) - } - }; - - Ok(attribute) - } -} - /// Primary Attributes are those which a function can only have one of. /// They change the FunctionKind and thus have direct impact on the IR output #[derive(PartialEq, Eq, Hash, Debug, Clone, PartialOrd, Ord)] @@ -944,7 +842,7 @@ impl fmt::Display for FunctionAttribute { /// Secondary attributes are those which a function can have many of. /// They are not able to change the `FunctionKind` and thus do not have direct impact on the IR output /// They are often consumed by libraries or used as notices for the developer -#[derive(PartialEq, Eq, Hash, Debug, Clone, PartialOrd, Ord)] +#[derive(PartialEq, Eq, Debug, Clone)] pub enum SecondaryAttribute { Deprecated(Option), // This is an attribute to specify that a function @@ -958,7 +856,7 @@ pub enum SecondaryAttribute { Tag(CustomAttribute), /// An attribute expected to run a comptime function of the same name: #[foo] - Meta(CustomAttribute), + Meta(MetaAttribute), Abi(String), @@ -975,14 +873,6 @@ pub enum SecondaryAttribute { } impl SecondaryAttribute { - pub(crate) fn as_custom(&self) -> Option<&CustomAttribute> { - if let Self::Tag(attribute) = self { - Some(attribute) - } else { - None - } - } - pub(crate) fn name(&self) -> Option { match self { SecondaryAttribute::Deprecated(_) => Some("deprecated".to_string()), @@ -992,7 +882,7 @@ impl SecondaryAttribute { SecondaryAttribute::Export => Some("export".to_string()), SecondaryAttribute::Field(_) => Some("field".to_string()), SecondaryAttribute::Tag(custom) => custom.name(), - SecondaryAttribute::Meta(custom) => custom.name(), + SecondaryAttribute::Meta(meta) => Some(meta.name.last_name().to_string()), SecondaryAttribute::Abi(_) => Some("abi".to_string()), SecondaryAttribute::Varargs => Some("varargs".to_string()), SecondaryAttribute::UseCallersScope => Some("use_callers_scope".to_string()), @@ -1018,7 +908,7 @@ impl SecondaryAttribute { format!("deprecated({note:?})") } SecondaryAttribute::Tag(ref attribute) => format!("'{}", attribute.contents), - SecondaryAttribute::Meta(ref attribute) => attribute.contents.to_string(), + SecondaryAttribute::Meta(ref meta) => meta.to_string(), SecondaryAttribute::ContractLibraryMethod => "contract_library_method".to_string(), SecondaryAttribute::Export => "export".to_string(), SecondaryAttribute::Field(ref k) => format!("field({k})"), @@ -1036,6 +926,25 @@ impl fmt::Display for SecondaryAttribute { } } +#[derive(PartialEq, Eq, Debug, Clone)] +pub struct MetaAttribute { + pub name: Path, + pub arguments: Vec, + pub span: Span, +} + +impl Display for MetaAttribute { + fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { + if self.arguments.is_empty() { + write!(f, "{}", self.name) + } else { + let args = + self.arguments.iter().map(ToString::to_string).collect::>().join(", "); + write!(f, "{}({})", self.name, args) + } + } +} + #[derive(PartialEq, Eq, Hash, Debug, Clone, PartialOrd, Ord)] pub struct CustomAttribute { pub contents: String, @@ -1057,39 +966,6 @@ impl CustomAttribute { } } -impl AsRef for FunctionAttribute { - fn as_ref(&self) -> &str { - match self { - FunctionAttribute::Foreign(string) => string, - FunctionAttribute::Builtin(string) => string, - FunctionAttribute::Oracle(string) => string, - FunctionAttribute::Test { .. } => "", - FunctionAttribute::Recursive => "", - FunctionAttribute::Fold => "", - FunctionAttribute::NoPredicates => "", - FunctionAttribute::InlineAlways => "", - } - } -} - -impl AsRef for SecondaryAttribute { - fn as_ref(&self) -> &str { - match self { - SecondaryAttribute::Deprecated(Some(string)) => string, - SecondaryAttribute::Deprecated(None) => "", - SecondaryAttribute::Tag(attribute) => &attribute.contents, - SecondaryAttribute::Meta(attribute) => &attribute.contents, - SecondaryAttribute::Field(string) - | SecondaryAttribute::Abi(string) - | SecondaryAttribute::Allow(string) => string, - SecondaryAttribute::ContractLibraryMethod => "", - SecondaryAttribute::Export => "", - SecondaryAttribute::Varargs => "", - SecondaryAttribute::UseCallersScope => "", - } - } -} - /// Note that `self` is not present - it is a contextual keyword rather than a true one as it is /// only special within `impl`s. Otherwise `self` functions as a normal identifier. #[derive(PartialEq, Eq, Hash, Debug, Copy, Clone, PartialOrd, Ord, strum_macros::EnumIter)] diff --git a/noir/noir-repo/compiler/noirc_frontend/src/locations.rs b/noir/noir-repo/compiler/noirc_frontend/src/locations.rs index 4dd699251a6..ecae5b19a95 100644 --- a/noir/noir-repo/compiler/noirc_frontend/src/locations.rs +++ b/noir/noir-repo/compiler/noirc_frontend/src/locations.rs @@ -1,14 +1,11 @@ use fm::FileId; -use noirc_errors::Location; +use noirc_errors::{Location, Span}; use rangemap::RangeMap; use rustc_hash::FxHashMap as HashMap; use crate::{ ast::{FunctionDefinition, ItemVisibility}, - hir::{ - def_map::{ModuleDefId, ModuleId}, - resolution::import::PathResolutionItem, - }, + hir::def_map::{ModuleDefId, ModuleId}, node_interner::{ DefinitionId, FuncId, GlobalId, NodeInterner, ReferenceId, StructId, TraitId, TypeAliasId, }, @@ -37,6 +34,27 @@ impl LocationIndices { } } +pub struct ReferencesTracker<'a> { + interner: &'a mut NodeInterner, + file_id: FileId, +} + +impl<'a> ReferencesTracker<'a> { + pub fn new(interner: &'a mut NodeInterner, file_id: FileId) -> Self { + Self { interner, file_id } + } + + pub(crate) fn add_reference( + &mut self, + module_def_id: ModuleDefId, + span: Span, + is_self_type: bool, + ) { + let location = Location::new(span, self.file_id); + self.interner.add_module_def_id_reference(module_def_id, location, is_self_type); + } +} + impl NodeInterner { pub fn reference_location(&self, reference: ReferenceId) -> Location { match reference { @@ -102,37 +120,6 @@ impl NodeInterner { }; } - pub(crate) fn add_path_resolution_kind_reference( - &mut self, - kind: PathResolutionItem, - location: Location, - is_self_type: bool, - ) { - match kind { - PathResolutionItem::Module(module_id) => { - self.add_module_reference(module_id, location); - } - PathResolutionItem::Struct(struct_id) => { - self.add_struct_reference(struct_id, location, is_self_type); - } - PathResolutionItem::TypeAlias(type_alias_id) => { - self.add_alias_reference(type_alias_id, location); - } - PathResolutionItem::Trait(trait_id) => { - self.add_trait_reference(trait_id, location, is_self_type); - } - PathResolutionItem::Global(global_id) => { - self.add_global_reference(global_id, location); - } - PathResolutionItem::ModuleFunction(func_id) - | PathResolutionItem::StructFunction(_, _, func_id) - | PathResolutionItem::TypeAliasFunction(_, _, func_id) - | PathResolutionItem::TraitFunction(_, _, func_id) => { - self.add_function_reference(func_id, location); - } - } - } - pub(crate) fn add_module_reference(&mut self, id: ModuleId, location: Location) { self.add_reference(ReferenceId::Module(id), location, false); } diff --git a/noir/noir-repo/compiler/noirc_frontend/src/monomorphization/ast.rs b/noir/noir-repo/compiler/noirc_frontend/src/monomorphization/ast.rs index 1b4bafd9d78..bfee31bdfb4 100644 --- a/noir/noir-repo/compiler/noirc_frontend/src/monomorphization/ast.rs +++ b/noir/noir-repo/compiler/noirc_frontend/src/monomorphization/ast.rs @@ -237,13 +237,11 @@ pub enum InlineType { impl From<&Attributes> for InlineType { fn from(attributes: &Attributes) -> Self { - attributes.function.as_ref().map_or(InlineType::default(), |func_attribute| { - match func_attribute { - FunctionAttribute::Fold => InlineType::Fold, - FunctionAttribute::NoPredicates => InlineType::NoPredicates, - FunctionAttribute::InlineAlways => InlineType::InlineAlways, - _ => InlineType::default(), - } + attributes.function().map_or(InlineType::default(), |func_attribute| match func_attribute { + FunctionAttribute::Fold => InlineType::Fold, + FunctionAttribute::NoPredicates => InlineType::NoPredicates, + FunctionAttribute::InlineAlways => InlineType::InlineAlways, + _ => InlineType::default(), }) } } diff --git a/noir/noir-repo/compiler/noirc_frontend/src/monomorphization/errors.rs b/noir/noir-repo/compiler/noirc_frontend/src/monomorphization/errors.rs index e2ff94f521b..c137a6fc90a 100644 --- a/noir/noir-repo/compiler/noirc_frontend/src/monomorphization/errors.rs +++ b/noir/noir-repo/compiler/noirc_frontend/src/monomorphization/errors.rs @@ -1,10 +1,13 @@ use noirc_errors::{CustomDiagnostic, FileDiagnostic, Location}; -use crate::{hir::comptime::InterpreterError, Type}; +use crate::{ + hir::{comptime::InterpreterError, type_check::TypeCheckError}, + Type, +}; #[derive(Debug)] pub enum MonomorphizationError { - UnknownArrayLength { length: Type, location: Location }, + UnknownArrayLength { length: Type, err: TypeCheckError, location: Location }, UnknownConstant { location: Location }, NoDefaultType { location: Location }, InternalError { message: &'static str, location: Location }, @@ -12,6 +15,7 @@ pub enum MonomorphizationError { ComptimeFnInRuntimeCode { name: String, location: Location }, ComptimeTypeInRuntimeCode { typ: String, location: Location }, CheckedTransmuteFailed { actual: Type, expected: Type, location: Location }, + CheckedCastFailed { actual: Type, expected: Type, location: Location }, } impl MonomorphizationError { @@ -23,6 +27,7 @@ impl MonomorphizationError { | MonomorphizationError::ComptimeFnInRuntimeCode { location, .. } | MonomorphizationError::ComptimeTypeInRuntimeCode { location, .. } | MonomorphizationError::CheckedTransmuteFailed { location, .. } + | MonomorphizationError::CheckedCastFailed { location, .. } | MonomorphizationError::NoDefaultType { location, .. } => *location, MonomorphizationError::InterpreterError(error) => error.get_location(), } @@ -41,14 +46,17 @@ impl From for FileDiagnostic { impl MonomorphizationError { fn into_diagnostic(self) -> CustomDiagnostic { let message = match &self { - MonomorphizationError::UnknownArrayLength { length, .. } => { - format!("Could not determine array length `{length}`") + MonomorphizationError::UnknownArrayLength { length, err, .. } => { + format!("Could not determine array length `{length}`, encountered error: `{err}`") } MonomorphizationError::UnknownConstant { .. } => { "Could not resolve constant".to_string() } MonomorphizationError::CheckedTransmuteFailed { actual, expected, .. } => { - format!("checked_transmute failed: `{actual}` != `{expected}`") + format!("checked_transmute failed: `{actual:?}` != `{expected:?}`") + } + MonomorphizationError::CheckedCastFailed { actual, expected, .. } => { + format!("Arithmetic generics simplification failed: `{actual:?}` != `{expected:?}`") } MonomorphizationError::NoDefaultType { location } => { let message = "Type annotation needed".into(); diff --git a/noir/noir-repo/compiler/noirc_frontend/src/monomorphization/mod.rs b/noir/noir-repo/compiler/noirc_frontend/src/monomorphization/mod.rs index 3ca4c5651ec..ce2c58e71c1 100644 --- a/noir/noir-repo/compiler/noirc_frontend/src/monomorphization/mod.rs +++ b/noir/noir-repo/compiler/noirc_frontend/src/monomorphization/mod.rs @@ -10,7 +10,7 @@ //! function, will monomorphize the entire reachable program. use crate::ast::{FunctionKind, IntegerBitSize, Signedness, UnaryOp, Visibility}; use crate::hir::comptime::InterpreterError; -use crate::hir::type_check::NoMatchingImplFoundError; +use crate::hir::type_check::{NoMatchingImplFoundError, TypeCheckError}; use crate::node_interner::{ExprId, ImplSearchErrorKind}; use crate::{ debug::DebugInstrumenter, @@ -222,14 +222,14 @@ impl<'interner> Monomorphizer<'interner> { let attributes = self.interner.function_attributes(&id); match self.interner.function_meta(&id).kind { FunctionKind::LowLevel => { - let attribute = attributes.function.as_ref().expect("all low level functions must contain a function attribute which contains the opcode which it links to"); + let attribute = attributes.function().expect("all low level functions must contain a function attribute which contains the opcode which it links to"); let opcode = attribute.foreign().expect( "ice: function marked as foreign, but attribute kind does not match this", ); Definition::LowLevel(opcode.to_string()) } FunctionKind::Builtin => { - let attribute = attributes.function.as_ref().expect("all builtin functions must contain a function attribute which contains the opcode which it links to"); + let attribute = attributes.function().expect("all builtin functions must contain a function attribute which contains the opcode which it links to"); let opcode = attribute.builtin().expect( "ice: function marked as builtin, but attribute kind does not match this", ); @@ -241,7 +241,7 @@ impl<'interner> Monomorphizer<'interner> { Definition::Function(id) } FunctionKind::Oracle => { - let attribute = attributes.function.as_ref().expect("all oracle functions must contain a function attribute which contains the opcode which it links to"); + let attribute = attributes.function().expect("all oracle functions must contain a function attribute which contains the opcode which it links to"); let opcode = attribute.oracle().expect( "ice: function marked as builtin, but attribute kind does not match this", ); @@ -576,9 +576,9 @@ impl<'interner> Monomorphizer<'interner> { let location = self.interner.expr_location(&array); let typ = Self::convert_type(&self.interner.id_type(array), location)?; - let length = length.evaluate_to_u32().ok_or_else(|| { + let length = length.evaluate_to_u32(location.span).map_err(|err| { let location = self.interner.expr_location(&array); - MonomorphizationError::UnknownArrayLength { location, length } + MonomorphizationError::UnknownArrayLength { location, err, length } })?; let contents = try_vecmap(0..length, |_| self.expr(repeated_element))?; @@ -928,17 +928,23 @@ impl<'interner> Monomorphizer<'interner> { TypeBinding::Unbound(_, _) => { unreachable!("Unbound type variable used in expression") } - TypeBinding::Bound(binding) => binding - .evaluate_to_field_element(&Kind::Numeric(numeric_typ.clone())) - .unwrap_or_else(|| { - panic!("Non-numeric type variable used in expression expecting a value") - }), + TypeBinding::Bound(binding) => { + let location = self.interner.id_location(expr_id); + binding + .evaluate_to_field_element( + &Kind::Numeric(numeric_typ.clone()), + location.span, + ) + .map_err(|err| MonomorphizationError::UnknownArrayLength { + length: binding.clone(), + err, + location, + })? + } }; let location = self.interner.id_location(expr_id); - if !Kind::Numeric(numeric_typ.clone()) - .unifies(&Kind::Numeric(Box::new(typ.clone()))) - { + if !Kind::Numeric(numeric_typ.clone()).unifies(&Kind::numeric(typ.clone())) { let message = "ICE: Generic's kind does not match expected type"; return Err(MonomorphizationError::InternalError { location, message }); } @@ -957,20 +963,51 @@ impl<'interner> Monomorphizer<'interner> { HirType::FieldElement => ast::Type::Field, HirType::Integer(sign, bits) => ast::Type::Integer(*sign, *bits), HirType::Bool => ast::Type::Bool, - HirType::String(size) => ast::Type::String(size.evaluate_to_u32().unwrap_or(0)), + HirType::String(size) => { + let size = match size.evaluate_to_u32(location.span) { + Ok(size) => size, + // only default variable sizes to size 0 + Err(TypeCheckError::NonConstantEvaluated { .. }) => 0, + Err(err) => { + let length = size.as_ref().clone(); + return Err(MonomorphizationError::UnknownArrayLength { + location, + err, + length, + }); + } + }; + ast::Type::String(size) + } HirType::FmtString(size, fields) => { - let size = size.evaluate_to_u32().unwrap_or(0); + let size = match size.evaluate_to_u32(location.span) { + Ok(size) => size, + // only default variable sizes to size 0 + Err(TypeCheckError::NonConstantEvaluated { .. }) => 0, + Err(err) => { + let length = size.as_ref().clone(); + return Err(MonomorphizationError::UnknownArrayLength { + location, + err, + length, + }); + } + }; let fields = Box::new(Self::convert_type(fields.as_ref(), location)?); ast::Type::FmtString(size, fields) } HirType::Unit => ast::Type::Unit, HirType::Array(length, element) => { let element = Box::new(Self::convert_type(element.as_ref(), location)?); - let length = match length.evaluate_to_u32() { - Some(length) => length, - None => { + let length = match length.evaluate_to_u32(location.span) { + Ok(length) => length, + Err(err) => { let length = length.as_ref().clone(); - return Err(MonomorphizationError::UnknownArrayLength { location, length }); + return Err(MonomorphizationError::UnknownArrayLength { + location, + err, + length, + }); } }; ast::Type::Array(length, element) @@ -994,6 +1031,11 @@ impl<'interner> Monomorphizer<'interner> { ast::Type::Field } + HirType::CheckedCast { from, to } => { + Self::check_checked_cast(from, to, location)?; + Self::convert_type(to, location)? + } + HirType::TypeVariable(ref binding) => { let type_var_kind = match &*binding.borrow() { TypeBinding::Bound(ref binding) => { @@ -1100,6 +1142,11 @@ impl<'interner> Monomorphizer<'interner> { Ok(()) } } + HirType::CheckedCast { from, to } => { + Self::check_checked_cast(from, to, location)?; + Self::check_type(to, location) + } + HirType::FmtString(_size, fields) => Self::check_type(fields.as_ref(), location), HirType::Array(_length, element) => Self::check_type(element.as_ref(), location), HirType::Slice(element) => Self::check_type(element.as_ref(), location), @@ -1171,6 +1218,40 @@ impl<'interner> Monomorphizer<'interner> { } } + /// Check that the 'from' and to' sides of a CheckedCast unify and + /// that if the 'to' side evaluates to a field element, that the 'from' side + /// evaluates to the same field element + fn check_checked_cast( + from: &Type, + to: &Type, + location: Location, + ) -> Result<(), MonomorphizationError> { + if from.unify(to).is_err() { + return Err(MonomorphizationError::CheckedCastFailed { + actual: to.clone(), + expected: from.clone(), + location, + }); + } + let to_value = to.evaluate_to_field_element(&to.kind(), location.span); + if to_value.is_ok() { + let skip_simplifications = false; + let from_value = from.evaluate_to_field_element_helper( + &to.kind(), + location.span, + skip_simplifications, + ); + if from_value.is_err() || from_value.unwrap() != to_value.clone().unwrap() { + return Err(MonomorphizationError::CheckedCastFailed { + actual: HirType::Constant(to_value.unwrap(), to.kind()), + expected: from.clone(), + location, + }); + } + } + Ok(()) + } + fn is_function_closure(&self, t: ast::Type) -> bool { if self.is_function_closure_type(&t) { true diff --git a/noir/noir-repo/compiler/noirc_frontend/src/node_interner.rs b/noir/noir-repo/compiler/noirc_frontend/src/node_interner.rs index 68510f2ffbd..736d37fe83f 100644 --- a/noir/noir-repo/compiler/noirc_frontend/src/node_interner.rs +++ b/noir/noir-repo/compiler/noirc_frontend/src/node_interner.rs @@ -25,8 +25,6 @@ use crate::hir::def_map::{LocalModuleId, ModuleDefId, ModuleId}; use crate::hir::type_check::generics::TraitGenerics; use crate::hir_def::traits::NamedType; use crate::hir_def::traits::ResolvedTraitBound; -use crate::usage_tracker::UnusedItem; -use crate::usage_tracker::UsageTracker; use crate::QuotedType; use crate::ast::{BinaryOpKind, FunctionDefinition, ItemVisibility}; @@ -271,8 +269,6 @@ pub struct NodeInterner { /// share the same global values. pub(crate) comptime_scopes: Vec>, - pub(crate) usage_tracker: UsageTracker, - /// Captures the documentation comments for each module, struct, trait, function, etc. pub(crate) doc_comments: HashMap>, } @@ -680,7 +676,6 @@ impl Default for NodeInterner { auto_import_names: HashMap::default(), comptime_scopes: vec![HashMap::default()], trait_impl_associated_types: HashMap::default(), - usage_tracker: UsageTracker::default(), doc_comments: HashMap::default(), } } @@ -2320,12 +2315,6 @@ impl NodeInterner { pub fn doc_comments(&self, id: ReferenceId) -> Option<&Vec> { self.doc_comments.get(&id) } - - pub fn unused_items( - &self, - ) -> &std::collections::HashMap> { - self.usage_tracker.unused_items() - } } impl Methods { @@ -2450,6 +2439,7 @@ fn get_type_method_key(typ: &Type) -> Option { | Type::Error | Type::Struct(_, _) | Type::InfixExpr(..) + | Type::CheckedCast { .. } | Type::TraitAsType(..) => None, } } diff --git a/noir/noir-repo/compiler/noirc_frontend/src/parser/errors.rs b/noir/noir-repo/compiler/noirc_frontend/src/parser/errors.rs index 3315b38a351..63471efac43 100644 --- a/noir/noir-repo/compiler/noirc_frontend/src/parser/errors.rs +++ b/noir/noir-repo/compiler/noirc_frontend/src/parser/errors.rs @@ -95,6 +95,15 @@ pub enum ParserErrorReason { AssociatedTypesNotAllowedInPaths, #[error("Associated types are not allowed on a method call")] AssociatedTypesNotAllowedInMethodCalls, + #[error( + "Wrong number of arguments for attribute `{}`. Expected {}, found {}", + name, + if min == max { min.to_string() } else { format!("between {} and {}", min, max) }, + found + )] + WrongNumberOfAttributeArguments { name: String, min: usize, max: usize, found: usize }, + #[error("The `deprecated` attribute expects a string argument")] + DeprecatedAttributeExpectsAStringArgument, } /// Represents a parsing error, or a parsing error in the making. diff --git a/noir/noir-repo/compiler/noirc_frontend/src/parser/parser.rs b/noir/noir-repo/compiler/noirc_frontend/src/parser/parser.rs index 0030144b5e1..f369839ddd4 100644 --- a/noir/noir-repo/compiler/noirc_frontend/src/parser/parser.rs +++ b/noir/noir-repo/compiler/noirc_frontend/src/parser/parser.rs @@ -318,6 +318,30 @@ impl<'a> Parser<'a> { } } + fn eat_attribute_start(&mut self) -> Option { + if matches!(self.token.token(), Token::AttributeStart { is_inner: false, .. }) { + let token = self.bump(); + match token.into_token() { + Token::AttributeStart { is_tag, .. } => Some(is_tag), + _ => unreachable!(), + } + } else { + None + } + } + + fn eat_inner_attribute_start(&mut self) -> Option { + if matches!(self.token.token(), Token::AttributeStart { is_inner: true, .. }) { + let token = self.bump(); + match token.into_token() { + Token::AttributeStart { is_tag, .. } => Some(is_tag), + _ => unreachable!(), + } + } else { + None + } + } + fn eat_comma(&mut self) -> bool { self.eat(Token::Comma) } diff --git a/noir/noir-repo/compiler/noirc_frontend/src/parser/parser/attributes.rs b/noir/noir-repo/compiler/noirc_frontend/src/parser/parser/attributes.rs index ffba74003b7..55919708f8c 100644 --- a/noir/noir-repo/compiler/noirc_frontend/src/parser/parser/attributes.rs +++ b/noir/noir-repo/compiler/noirc_frontend/src/parser/parser/attributes.rs @@ -1,32 +1,87 @@ use noirc_errors::Span; +use crate::ast::{Expression, ExpressionKind, Ident, Literal, Path}; +use crate::lexer::errors::LexerErrorKind; +use crate::parser::labels::ParsingRuleLabel; use crate::parser::ParserErrorReason; -use crate::token::SecondaryAttribute; -use crate::token::{Attribute, Token, TokenKind}; +use crate::token::{Attribute, FunctionAttribute, MetaAttribute, TestScope, Token}; +use crate::token::{CustomAttribute, SecondaryAttribute}; use super::parse_many::without_separator; use super::Parser; impl<'a> Parser<'a> { - /// InnerAttribute = inner_attribute + /// InnerAttribute = '#![' SecondaryAttribute ']' pub(super) fn parse_inner_attribute(&mut self) -> Option { - let token = self.eat_kind(TokenKind::InnerAttribute)?; - match token.into_token() { - Token::InnerAttribute(attribute) => Some(attribute), - _ => unreachable!(), + let start_span = self.current_token_span; + let is_tag = self.eat_inner_attribute_start()?; + let attribute = if is_tag { + self.parse_tag_attribute(start_span) + } else { + self.parse_non_tag_attribute(start_span) + }; + + match attribute { + Attribute::Function(function_attribute) => { + self.errors.push( + LexerErrorKind::InvalidInnerAttribute { + span: self.span_since(start_span), + found: function_attribute.to_string(), + } + .into(), + ); + None + } + Attribute::Secondary(secondary_attribute) => Some(secondary_attribute), } } - /// Attributes = attribute* + /// Attributes = Attribute* pub(super) fn parse_attributes(&mut self) -> Vec<(Attribute, Span)> { self.parse_many("attributes", without_separator(), Self::parse_attribute) } - fn parse_attribute(&mut self) -> Option<(Attribute, Span)> { - self.eat_kind(TokenKind::Attribute).map(|token| match token.into_token() { - Token::Attribute(attribute) => (attribute, self.previous_token_span), - _ => unreachable!(), - }) + /// Attribute = '#[' (FunctionAttribute | SecondaryAttribute) ']' + /// + /// FunctionAttribute + /// = 'builtin' '(' AttributeValue ')' + /// | 'fold' + /// | 'foreign' '(' AttributeValue ')' + /// | 'inline_always' + /// | 'no_predicates' + /// | 'oracle' '(' AttributeValue ')' + /// | 'recursive' + /// | 'test' + /// | 'test' '(' 'should_fail' ')' + /// | 'test' '(' 'should_fail_with' '=' string ')' + /// + /// SecondaryAttribute + /// = 'abi' '(' AttributeValue ')' + /// | 'allow' '(' AttributeValue ')' + /// | 'deprecated' + /// | 'deprecated' '(' string ')' + /// | 'contract_library_method' + /// | 'export' + /// | 'field' '(' AttributeValue ')' + /// | 'use_callers_scope' + /// | 'varargs' + /// | MetaAttribute + /// + /// MetaAttribute + /// = Path Arguments? + /// + /// AttributeValue + /// = Path + /// | integer + pub(crate) fn parse_attribute(&mut self) -> Option<(Attribute, Span)> { + let start_span = self.current_token_span; + let is_tag = self.eat_attribute_start()?; + let attribute = if is_tag { + self.parse_tag_attribute(start_span) + } else { + self.parse_non_tag_attribute(start_span) + }; + Some((attribute, self.span_since(start_span))) } pub(super) fn validate_secondary_attributes( @@ -44,17 +99,319 @@ impl<'a> Parser<'a> { }) .collect() } + + fn parse_tag_attribute(&mut self, start_span: Span) -> Attribute { + let contents_start_span = self.current_token_span; + let mut contents_span = contents_start_span; + let mut contents = String::new(); + + let mut brackets_count = 1; // 1 because of the starting `#[` + + while !self.at_eof() { + if self.at(Token::LeftBracket) { + brackets_count += 1; + } else if self.at(Token::RightBracket) { + brackets_count -= 1; + if brackets_count == 0 { + contents_span = self.span_since(contents_start_span); + self.bump(); + break; + } + } + + contents.push_str(&self.token.to_string()); + self.bump(); + } + + Attribute::Secondary(SecondaryAttribute::Tag(CustomAttribute { + contents, + span: self.span_since(start_span), + contents_span, + })) + } + + fn parse_non_tag_attribute(&mut self, start_span: Span) -> Attribute { + if matches!(&self.token.token(), Token::Keyword(..)) + && (self.next_is(Token::LeftParen) || self.next_is(Token::RightBracket)) + { + // This is a Meta attribute with the syntax `keyword(arg1, arg2, .., argN)` + let path = Path::from_single(self.token.to_string(), self.current_token_span); + self.bump(); + self.parse_meta_attribute(path, start_span) + } else if let Some(path) = self.parse_path_no_turbofish() { + if let Some(ident) = path.as_ident() { + if ident.0.contents == "test" { + // The test attribute is the only secondary attribute that has `a = b` in its syntax + // (`should_fail_with = "..."``) so we parse it differently. + self.parse_test_attribute(start_span) + } else { + // Every other attribute has the form `name(arg1, arg2, .., argN)` + self.parse_ident_attribute_other_than_test(ident, start_span) + } + } else { + // This is a Meta attribute with the syntax `path(arg1, arg2, .., argN)` + self.parse_meta_attribute(path, start_span) + } + } else { + self.expected_label(ParsingRuleLabel::Path); + self.parse_tag_attribute(start_span) + } + } + + fn parse_meta_attribute(&mut self, name: Path, start_span: Span) -> Attribute { + let arguments = self.parse_arguments().unwrap_or_default(); + self.skip_until_right_bracket(); + Attribute::Secondary(SecondaryAttribute::Meta(MetaAttribute { + name, + arguments, + span: self.span_since(start_span), + })) + } + + fn parse_ident_attribute_other_than_test( + &mut self, + ident: &Ident, + start_span: Span, + ) -> Attribute { + let arguments = self.parse_arguments().unwrap_or_default(); + self.skip_until_right_bracket(); + match ident.0.contents.as_str() { + "abi" => self.parse_single_name_attribute(ident, arguments, start_span, |name| { + Attribute::Secondary(SecondaryAttribute::Abi(name)) + }), + "allow" => self.parse_single_name_attribute(ident, arguments, start_span, |name| { + Attribute::Secondary(SecondaryAttribute::Allow(name)) + }), + "builtin" => self.parse_single_name_attribute(ident, arguments, start_span, |name| { + Attribute::Function(FunctionAttribute::Builtin(name)) + }), + "deprecated" => self.parse_deprecated_attribute(ident, arguments), + "contract_library_method" => { + let attr = Attribute::Secondary(SecondaryAttribute::ContractLibraryMethod); + self.parse_no_args_attribute(ident, arguments, attr) + } + "export" => { + let attr = Attribute::Secondary(SecondaryAttribute::Export); + self.parse_no_args_attribute(ident, arguments, attr) + } + "field" => self.parse_single_name_attribute(ident, arguments, start_span, |name| { + Attribute::Secondary(SecondaryAttribute::Field(name)) + }), + "fold" => { + let attr = Attribute::Function(FunctionAttribute::Fold); + self.parse_no_args_attribute(ident, arguments, attr) + } + "foreign" => self.parse_single_name_attribute(ident, arguments, start_span, |name| { + Attribute::Function(FunctionAttribute::Foreign(name)) + }), + "inline_always" => { + let attr = Attribute::Function(FunctionAttribute::InlineAlways); + self.parse_no_args_attribute(ident, arguments, attr) + } + "no_predicates" => { + let attr = Attribute::Function(FunctionAttribute::NoPredicates); + self.parse_no_args_attribute(ident, arguments, attr) + } + "oracle" => self.parse_single_name_attribute(ident, arguments, start_span, |name| { + Attribute::Function(FunctionAttribute::Oracle(name)) + }), + "recursive" => { + let attr = Attribute::Function(FunctionAttribute::Recursive); + self.parse_no_args_attribute(ident, arguments, attr) + } + "use_callers_scope" => { + let attr = Attribute::Secondary(SecondaryAttribute::UseCallersScope); + self.parse_no_args_attribute(ident, arguments, attr) + } + "varargs" => { + let attr = Attribute::Secondary(SecondaryAttribute::Varargs); + self.parse_no_args_attribute(ident, arguments, attr) + } + _ => Attribute::Secondary(SecondaryAttribute::Meta(MetaAttribute { + name: Path::from_ident(ident.clone()), + arguments, + span: self.span_since(start_span), + })), + } + } + + fn parse_deprecated_attribute( + &mut self, + ident: &Ident, + mut arguments: Vec, + ) -> Attribute { + if arguments.is_empty() { + return Attribute::Secondary(SecondaryAttribute::Deprecated(None)); + } + + if arguments.len() > 1 { + self.push_error( + ParserErrorReason::WrongNumberOfAttributeArguments { + name: ident.to_string(), + min: 0, + max: 1, + found: arguments.len(), + }, + ident.span(), + ); + return Attribute::Secondary(SecondaryAttribute::Deprecated(None)); + } + + let argument = arguments.remove(0); + let ExpressionKind::Literal(Literal::Str(message)) = argument.kind else { + self.push_error( + ParserErrorReason::DeprecatedAttributeExpectsAStringArgument, + argument.span, + ); + return Attribute::Secondary(SecondaryAttribute::Deprecated(None)); + }; + + Attribute::Secondary(SecondaryAttribute::Deprecated(Some(message))) + } + + fn parse_test_attribute(&mut self, start_span: Span) -> Attribute { + let scope = if self.eat_left_paren() { + let scope = if let Some(ident) = self.eat_ident() { + match ident.0.contents.as_str() { + "should_fail" => Some(TestScope::ShouldFailWith { reason: None }), + "should_fail_with" => { + self.eat_or_error(Token::Assign); + if let Some(reason) = self.eat_str() { + Some(TestScope::ShouldFailWith { reason: Some(reason) }) + } else { + Some(TestScope::ShouldFailWith { reason: None }) + } + } + _ => None, + } + } else { + None + }; + self.eat_or_error(Token::RightParen); + scope + } else { + Some(TestScope::None) + }; + + self.skip_until_right_bracket(); + + let scope = if let Some(scope) = scope { + scope + } else { + self.errors.push( + LexerErrorKind::MalformedTestAttribute { span: self.span_since(start_span) }.into(), + ); + TestScope::None + }; + + Attribute::Function(FunctionAttribute::Test(scope)) + } + + fn parse_single_name_attribute( + &mut self, + ident: &Ident, + mut arguments: Vec, + start_span: Span, + f: F, + ) -> Attribute + where + F: FnOnce(String) -> Attribute, + { + if arguments.len() != 1 { + self.push_error( + ParserErrorReason::WrongNumberOfAttributeArguments { + name: ident.to_string(), + min: 1, + max: 1, + found: arguments.len(), + }, + self.current_token_span, + ); + return f(String::new()); + } + + let argument = arguments.remove(0); + match argument.kind { + ExpressionKind::Variable(..) | ExpressionKind::Literal(Literal::Integer(..)) => { + f(argument.to_string()) + } + _ => { + let span = self.span_since(start_span); + self.errors.push( + LexerErrorKind::MalformedFuncAttribute { span, found: argument.to_string() } + .into(), + ); + f(String::new()) + } + } + } + + fn parse_no_args_attribute( + &mut self, + ident: &Ident, + arguments: Vec, + attribute: Attribute, + ) -> Attribute { + if !arguments.is_empty() { + self.push_error( + ParserErrorReason::WrongNumberOfAttributeArguments { + name: ident.to_string(), + min: 0, + max: 0, + found: arguments.len(), + }, + ident.span(), + ); + } + + attribute + } + + fn skip_until_right_bracket(&mut self) { + let mut brackets_count = 1; // 1 because of the starting `#[` + + while !self.at_eof() { + if self.at(Token::LeftBracket) { + brackets_count += 1; + } else if self.at(Token::RightBracket) { + brackets_count -= 1; + if brackets_count == 0 { + self.bump(); + break; + } + } + + self.expected_token(Token::RightBracket); + self.bump(); + } + } } #[cfg(test)] mod tests { + use noirc_errors::Span; + use crate::{ parser::{parser::tests::expect_no_errors, Parser}, token::{Attribute, FunctionAttribute, SecondaryAttribute, TestScope}, }; + fn parse_inner_secondary_attribute_no_errors(src: &str, expected: SecondaryAttribute) { + let mut parser = Parser::for_str(src); + let attribute = parser.parse_inner_attribute(); + expect_no_errors(&parser.errors); + assert_eq!(attribute.unwrap(), expected); + } + + fn parse_attribute_no_errors(src: &str, expected: Attribute) { + let mut parser = Parser::for_str(src); + let (attribute, _span) = parser.parse_attribute().unwrap(); + expect_no_errors(&parser.errors); + assert_eq!(attribute, expected); + } + #[test] - fn parses_inner_attribute() { + fn parses_inner_attribute_as_tag() { let src = "#!['hello]"; let mut parser = Parser::for_str(src); let Some(SecondaryAttribute::Tag(custom)) = parser.parse_inner_attribute() else { @@ -62,6 +419,217 @@ mod tests { }; expect_no_errors(&parser.errors); assert_eq!(custom.contents, "hello"); + assert_eq!(custom.span, Span::from(0..src.len() as u32)); + assert_eq!(custom.contents_span, Span::from(4..src.len() as u32 - 1)); + } + + #[test] + fn parses_inner_attribute_as_tag_with_nested_brackets() { + let src = "#!['hello[1]]"; + let mut parser = Parser::for_str(src); + let Some(SecondaryAttribute::Tag(custom)) = parser.parse_inner_attribute() else { + panic!("Expected inner tag attribute"); + }; + expect_no_errors(&parser.errors); + assert_eq!(custom.contents, "hello[1]"); + } + + #[test] + fn parses_inner_attribute_deprecated() { + let src = "#![deprecated]"; + let expected = SecondaryAttribute::Deprecated(None); + parse_inner_secondary_attribute_no_errors(src, expected); + } + + #[test] + fn parses_inner_attribute_deprecated_with_message() { + let src = "#![deprecated(\"use something else\")]"; + let expected = SecondaryAttribute::Deprecated(Some("use something else".to_string())); + parse_inner_secondary_attribute_no_errors(src, expected); + } + + #[test] + fn parses_inner_attribute_contract_library_method() { + let src = "#![contract_library_method]"; + let expected = SecondaryAttribute::ContractLibraryMethod; + parse_inner_secondary_attribute_no_errors(src, expected); + } + + #[test] + fn parses_inner_attribute_export() { + let src = "#![export]"; + let expected = SecondaryAttribute::Export; + parse_inner_secondary_attribute_no_errors(src, expected); + } + + #[test] + fn parses_inner_attribute_varargs() { + let src = "#![varargs]"; + let expected = SecondaryAttribute::Varargs; + parse_inner_secondary_attribute_no_errors(src, expected); + } + + #[test] + fn parses_inner_attribute_use_callers_scope() { + let src = "#![use_callers_scope]"; + let expected = SecondaryAttribute::UseCallersScope; + parse_inner_secondary_attribute_no_errors(src, expected); + } + + #[test] + fn parses_attribute_abi() { + let src = "#[abi(foo)]"; + let expected = Attribute::Secondary(SecondaryAttribute::Abi("foo".to_string())); + parse_attribute_no_errors(src, expected); + } + + #[test] + fn parses_attribute_foreign() { + let src = "#[foreign(foo)]"; + let expected = Attribute::Function(FunctionAttribute::Foreign("foo".to_string())); + parse_attribute_no_errors(src, expected); + } + + #[test] + fn parses_attribute_builtin() { + let src = "#[builtin(foo)]"; + let expected = Attribute::Function(FunctionAttribute::Builtin("foo".to_string())); + parse_attribute_no_errors(src, expected); + } + + #[test] + fn parses_attribute_oracle() { + let src = "#[oracle(foo)]"; + let expected = Attribute::Function(FunctionAttribute::Oracle("foo".to_string())); + parse_attribute_no_errors(src, expected); + } + + #[test] + fn parses_attribute_recursive() { + let src = "#[recursive]"; + let expected = Attribute::Function(FunctionAttribute::Recursive); + parse_attribute_no_errors(src, expected); + } + + #[test] + fn parses_attribute_fold() { + let src = "#[fold]"; + let expected = Attribute::Function(FunctionAttribute::Fold); + parse_attribute_no_errors(src, expected); + } + + #[test] + fn parses_attribute_no_predicates() { + let src = "#[no_predicates]"; + let expected = Attribute::Function(FunctionAttribute::NoPredicates); + parse_attribute_no_errors(src, expected); + } + + #[test] + fn parses_attribute_inline_always() { + let src = "#[inline_always]"; + let expected = Attribute::Function(FunctionAttribute::InlineAlways); + parse_attribute_no_errors(src, expected); + } + + #[test] + fn parses_attribute_field() { + let src = "#[field(bn254)]"; + let expected = Attribute::Secondary(SecondaryAttribute::Field("bn254".to_string())); + parse_attribute_no_errors(src, expected); + } + + #[test] + fn parses_attribute_field_with_integer() { + let src = "#[field(23)]"; + let expected = Attribute::Secondary(SecondaryAttribute::Field("23".to_string())); + parse_attribute_no_errors(src, expected); + } + + #[test] + fn parses_attribute_allow() { + let src = "#[allow(unused_vars)]"; + let expected = Attribute::Secondary(SecondaryAttribute::Allow("unused_vars".to_string())); + parse_attribute_no_errors(src, expected); + } + + #[test] + fn parses_attribute_test_no_scope() { + let src = "#[test]"; + let expected = Attribute::Function(FunctionAttribute::Test(TestScope::None)); + parse_attribute_no_errors(src, expected); + } + + #[test] + fn parses_attribute_test_should_fail() { + let src = "#[test(should_fail)]"; + let expected = Attribute::Function(FunctionAttribute::Test(TestScope::ShouldFailWith { + reason: None, + })); + parse_attribute_no_errors(src, expected); + } + + #[test] + fn parses_attribute_test_should_fail_with() { + let src = "#[test(should_fail_with = \"reason\")]"; + let expected = Attribute::Function(FunctionAttribute::Test(TestScope::ShouldFailWith { + reason: Some("reason".to_string()), + })); + parse_attribute_no_errors(src, expected); + } + + #[test] + fn parses_meta_attribute_single_identifier_no_arguments() { + let src = "#[foo]"; + let mut parser = Parser::for_str(src); + let (attribute, _span) = parser.parse_attribute().unwrap(); + expect_no_errors(&parser.errors); + let Attribute::Secondary(SecondaryAttribute::Meta(meta)) = attribute else { + panic!("Expected meta attribute"); + }; + assert_eq!(meta.name.to_string(), "foo"); + assert!(meta.arguments.is_empty()); + } + + #[test] + fn parses_meta_attribute_single_identifier_as_keyword() { + let src = "#[dep]"; + let mut parser = Parser::for_str(src); + let (attribute, _span) = parser.parse_attribute().unwrap(); + expect_no_errors(&parser.errors); + let Attribute::Secondary(SecondaryAttribute::Meta(meta)) = attribute else { + panic!("Expected meta attribute"); + }; + assert_eq!(meta.name.to_string(), "dep"); + assert!(meta.arguments.is_empty()); + } + + #[test] + fn parses_meta_attribute_single_identifier_with_arguments() { + let src = "#[foo(1, 2, 3)]"; + let mut parser = Parser::for_str(src); + let (attribute, _span) = parser.parse_attribute().unwrap(); + expect_no_errors(&parser.errors); + let Attribute::Secondary(SecondaryAttribute::Meta(meta)) = attribute else { + panic!("Expected meta attribute"); + }; + assert_eq!(meta.name.to_string(), "foo"); + assert_eq!(meta.arguments.len(), 3); + assert_eq!(meta.arguments[0].to_string(), "1"); + } + + #[test] + fn parses_meta_attribute_path_with_arguments() { + let src = "#[foo::bar(1, 2, 3)]"; + let mut parser = Parser::for_str(src); + let (attribute, _span) = parser.parse_attribute().unwrap(); + expect_no_errors(&parser.errors); + let Attribute::Secondary(SecondaryAttribute::Meta(meta)) = attribute else { + panic!("Expected meta attribute"); + }; + assert_eq!(meta.name.to_string(), "foo::bar"); + assert_eq!(meta.arguments.len(), 3); + assert_eq!(meta.arguments[0].to_string(), "1"); } #[test] diff --git a/noir/noir-repo/compiler/noirc_frontend/src/parser/parser/expression.rs b/noir/noir-repo/compiler/noirc_frontend/src/parser/parser/expression.rs index 93bb4980801..06f51b16842 100644 --- a/noir/noir-repo/compiler/noirc_frontend/src/parser/parser/expression.rs +++ b/noir/noir-repo/compiler/noirc_frontend/src/parser/parser/expression.rs @@ -4,7 +4,7 @@ use noirc_errors::Span; use crate::{ ast::{ ArrayLiteral, BlockExpression, CallExpression, CastExpression, ConstructorExpression, - Expression, ExpressionKind, GenericTypeArgs, Ident, IfExpression, IndexExpression, Literal, + Expression, ExpressionKind, Ident, IfExpression, IndexExpression, Literal, MemberAccessExpression, MethodCallExpression, Statement, TypePath, UnaryOp, UnresolvedType, }, parser::{labels::ParsingRuleLabel, parser::parse_many::separated_by_comma, ParserErrorReason}, @@ -548,15 +548,13 @@ impl<'a> Parser<'a> { Ident::new(String::new(), self.span_at_previous_token_end()) }; - let turbofish = if self.eat_double_colon() { + let turbofish = self.eat_double_colon().then(|| { let generics = self.parse_generic_type_args(); if generics.is_empty() { self.expected_token(Token::Less); } generics - } else { - GenericTypeArgs::default() - }; + }); Some(ExpressionKind::TypePath(TypePath { typ, item, turbofish })) } @@ -1587,7 +1585,7 @@ mod tests { }; assert_eq!(type_path.typ.to_string(), "Field"); assert_eq!(type_path.item.to_string(), "foo"); - assert!(type_path.turbofish.is_empty()); + assert!(type_path.turbofish.is_none()); } #[test] @@ -1599,7 +1597,7 @@ mod tests { }; assert_eq!(type_path.typ.to_string(), "Field"); assert_eq!(type_path.item.to_string(), "foo"); - assert!(!type_path.turbofish.is_empty()); + assert!(type_path.turbofish.is_some()); } #[test] diff --git a/noir/noir-repo/compiler/noirc_frontend/src/parser/parser/function.rs b/noir/noir-repo/compiler/noirc_frontend/src/parser/parser/function.rs index a60bc6e7c1d..438757b5d79 100644 --- a/noir/noir-repo/compiler/noirc_frontend/src/parser/parser/function.rs +++ b/noir/noir-repo/compiler/noirc_frontend/src/parser/parser/function.rs @@ -246,22 +246,23 @@ impl<'a> Parser<'a> { } fn validate_attributes(&mut self, attributes: Vec<(Attribute, Span)>) -> Attributes { - let mut primary = None; + let mut function = None; let mut secondary = Vec::new(); - for (attribute, span) in attributes { + for (index, (attribute, span)) in attributes.into_iter().enumerate() { match attribute { Attribute::Function(attr) => { - if primary.is_some() { + if function.is_none() { + function = Some((attr, index)); + } else { self.push_error(ParserErrorReason::MultipleFunctionAttributesFound, span); } - primary = Some(attr); } Attribute::Secondary(attr) => secondary.push(attr), } } - Attributes { function: primary, secondary } + Attributes { function, secondary } } } diff --git a/noir/noir-repo/compiler/noirc_frontend/src/tests.rs b/noir/noir-repo/compiler/noirc_frontend/src/tests.rs index 5ce3ec6686c..b709436cccc 100644 --- a/noir/noir-repo/compiler/noirc_frontend/src/tests.rs +++ b/noir/noir-repo/compiler/noirc_frontend/src/tests.rs @@ -1,6 +1,7 @@ #![cfg(test)] mod aliases; +mod arithmetic_generics; mod bound_checks; mod imports; mod metaprogramming; @@ -36,6 +37,8 @@ use crate::hir::def_collector::dc_crate::DefCollector; use crate::hir::def_map::{CrateDefMap, LocalModuleId}; use crate::hir_def::expr::HirExpression; use crate::hir_def::stmt::HirStatement; +use crate::monomorphization::ast::Program; +use crate::monomorphization::errors::MonomorphizationError; use crate::monomorphization::monomorphize; use crate::parser::{ItemKind, ParserErrorReason}; use crate::token::SecondaryAttribute; @@ -57,6 +60,15 @@ pub(crate) fn remove_experimental_warnings(errors: &mut Vec<(CompilationError, F } pub(crate) fn get_program(src: &str) -> (ParsedModule, Context, Vec<(CompilationError, FileId)>) { + get_program_with_maybe_parser_errors( + src, false, // allow parser errors + ) +} + +pub(crate) fn get_program_with_maybe_parser_errors( + src: &str, + allow_parser_errors: bool, +) -> (ParsedModule, Context, Vec<(CompilationError, FileId)>) { let root = std::path::Path::new("/"); let fm = FileManager::new(root); @@ -69,7 +81,7 @@ pub(crate) fn get_program(src: &str) -> (ParsedModule, Context, Vec<(Compilation let mut errors = vecmap(parser_errors, |e| (e.into(), root_file_id)); remove_experimental_warnings(&mut errors); - if !has_parser_error(&errors) { + if allow_parser_errors || !has_parser_error(&errors) { let inner_attributes: Vec = program .items .iter() @@ -1239,10 +1251,18 @@ fn resolve_fmt_strings() { } } -fn check_rewrite(src: &str, expected: &str) { +fn monomorphize_program(src: &str) -> Result { let (_program, mut context, _errors) = get_program(src); let main_func_id = context.def_interner.find_function("main").unwrap(); - let program = monomorphize(main_func_id, &mut context.def_interner).unwrap(); + monomorphize(main_func_id, &mut context.def_interner) +} + +fn get_monomorphization_error(src: &str) -> Option { + monomorphize_program(src).err() +} + +fn check_rewrite(src: &str, expected: &str) { + let program = monomorphize_program(src).unwrap(); assert!(format!("{}", program) == expected); } @@ -3189,25 +3209,6 @@ fn as_trait_path_syntax_no_impl() { assert!(matches!(&errors[0].0, TypeError(TypeCheckError::NoMatchingImplFound { .. }))); } -#[test] -fn arithmetic_generics_canonicalization_deduplication_regression() { - let source = r#" - struct ArrData { - a: [Field; N], - b: [Field; N + N - 1], - } - - fn main() { - let _f: ArrData<5> = ArrData { - a: [0; 5], - b: [0; 9], - }; - } - "#; - let errors = get_program_errors(source); - assert_eq!(errors.len(), 0); -} - #[test] fn infer_globals_to_u32_from_type_use() { let src = r#" @@ -3393,6 +3394,36 @@ fn arithmetic_generics_rounding_fail() { let errors = get_program_errors(src); assert_eq!(errors.len(), 1); + assert!(matches!( + errors[0].0, + CompilationError::TypeError(TypeCheckError::TypeMismatch { .. }) + )); +} + +#[test] +fn arithmetic_generics_rounding_fail_on_struct() { + let src = r#" + struct W {} + + fn foo(_x: W, _y: W) -> W { + W {} + } + + fn main() { + let w_2: W<2> = W {}; + let w_3: W<3> = W {}; + // Do not simplify N/M*M to just N + // This should be 3/2*2 = 2, not 3 + let _: W<3> = foo(w_3, w_2); + } + "#; + + let errors = get_program_errors(src); + assert_eq!(errors.len(), 1); + assert!(matches!( + errors[0].0, + CompilationError::TypeError(TypeCheckError::TypeMismatch { .. }) + )); } #[test] @@ -3548,17 +3579,116 @@ fn uses_self_in_import() { } #[test] -fn alias_in_let_pattern() { +fn does_not_error_on_return_values_after_block_expression() { + // Regression test for https://github.com/noir-lang/noir/issues/4372 let src = r#" - struct Foo { x: T } + fn case1() -> [Field] { + if true { + } + &[1] + } - type Bar = Foo; + fn case2() -> [u8] { + let mut var: u8 = 1; + { + var += 1; + } + &[var] + } + + fn main() { + let _ = case1(); + let _ = case2(); + } + "#; + assert_no_errors(src); +} + +#[test] +fn use_type_alias_in_method_call() { + let src = r#" + pub struct Foo { + } + + impl Foo { + fn new() -> Self { + Foo {} + } + } + + type Bar = Foo; + + fn foo() -> Foo { + Bar::new() + } + + fn main() { + let _ = foo(); + } + "#; + assert_no_errors(src); +} + +#[test] +fn use_type_alias_to_generic_concrete_type_in_method_call() { + let src = r#" + pub struct Foo { + x: T, + } + + impl Foo { + fn new(x: T) -> Self { + Foo { x } + } + } + + type Bar = Foo; + + fn foo() -> Bar { + Bar::new(1) + } fn main() { - let Bar { x } = Foo { x: [0] }; - // This is just to show the compiler knows this is an array. - let _: [Field; 1] = x; + let _ = foo(); } "#; assert_no_errors(src); } + +#[test] +fn allows_struct_with_generic_infix_type_as_main_input_1() { + let src = r#" + struct Foo { + x: [u64; N * 2], + } + + fn main(_x: Foo<18>) {} + "#; + assert_no_errors(src); +} + +#[test] +fn allows_struct_with_generic_infix_type_as_main_input_2() { + let src = r#" + struct Foo { + x: [u64; N * 2], + } + + fn main(_x: Foo<2 * 9>) {} + "#; + assert_no_errors(src); +} + +#[test] +fn allows_struct_with_generic_infix_type_as_main_input_3() { + let src = r#" + struct Foo { + x: [u64; N * 2], + } + + global N = 9; + + fn main(_x: Foo) {} + "#; + assert_no_errors(src); +} diff --git a/noir/noir-repo/compiler/noirc_frontend/src/tests/aliases.rs b/noir/noir-repo/compiler/noirc_frontend/src/tests/aliases.rs index 5239abcb366..8d3433299f6 100644 --- a/noir/noir-repo/compiler/noirc_frontend/src/tests/aliases.rs +++ b/noir/noir-repo/compiler/noirc_frontend/src/tests/aliases.rs @@ -31,3 +31,19 @@ fn allows_usage_of_type_alias_as_return_type() { "#; assert_no_errors(src); } + +#[test] +fn alias_in_let_pattern() { + let src = r#" + struct Foo { x: T } + + type Bar = Foo; + + fn main() { + let Bar { x } = Foo { x: [0] }; + // This is just to show the compiler knows this is an array. + let _: [Field; 1] = x; + } + "#; + assert_no_errors(src); +} diff --git a/noir/noir-repo/compiler/noirc_frontend/src/tests/arithmetic_generics.rs b/noir/noir-repo/compiler/noirc_frontend/src/tests/arithmetic_generics.rs new file mode 100644 index 00000000000..3328fe439ae --- /dev/null +++ b/noir/noir-repo/compiler/noirc_frontend/src/tests/arithmetic_generics.rs @@ -0,0 +1,155 @@ +#![cfg(test)] + +use acvm::{AcirField, FieldElement}; + +use super::get_program_errors; +use crate::hir::type_check::TypeCheckError; +use crate::hir_def::types::{BinaryTypeOperator, Type}; +use crate::monomorphization::errors::MonomorphizationError; +use crate::tests::get_monomorphization_error; + +#[test] +fn arithmetic_generics_canonicalization_deduplication_regression() { + let source = r#" + struct ArrData { + a: [Field; N], + b: [Field; N + N - 1], + } + + fn main() { + let _f: ArrData<5> = ArrData { + a: [0; 5], + b: [0; 9], + }; + } + "#; + let errors = get_program_errors(source); + assert_eq!(errors.len(), 0); +} + +#[test] +fn checked_casts_do_not_prevent_canonicalization() { + // Regression test for https://github.com/noir-lang/noir/issues/6495 + let source = r#" + pub trait Serialize { + fn serialize(self) -> [Field; N]; + } + + pub struct Counted { + pub inner: T, + } + + pub fn append(array1: [T; N]) -> [T; N + 1] { + [array1[0]; N + 1] + } + + impl Serialize for Counted + where + T: Serialize, + { + fn serialize(self) -> [Field; N] { + append(self.inner.serialize()) + } + } + "#; + let errors = get_program_errors(source); + println!("{:?}", errors); + assert_eq!(errors.len(), 0); +} + +#[test] +fn arithmetic_generics_checked_cast_zeros() { + let source = r#" + struct W {} + + fn foo(_x: W) -> W<(0 * N) / (N % N)> { + W {} + } + + fn bar(_x: W) -> u1 { + N + } + + fn main() -> pub u1 { + let w_0: W<0> = W {}; + let w: W<_> = foo(w_0); + bar(w) + } + "#; + + let errors = get_program_errors(source); + assert_eq!(errors.len(), 0); + + let monomorphization_error = get_monomorphization_error(source); + assert!(monomorphization_error.is_some()); + + // Expect a CheckedCast (0 % 0) failure + let monomorphization_error = monomorphization_error.unwrap(); + if let MonomorphizationError::UnknownArrayLength { ref length, ref err, location: _ } = + monomorphization_error + { + match length { + Type::CheckedCast { from, to } => { + assert!(matches!(*from.clone(), Type::InfixExpr { .. })); + assert!(matches!(*to.clone(), Type::InfixExpr { .. })); + } + _ => panic!("unexpected length: {:?}", length), + } + assert!(matches!( + err, + TypeCheckError::FailingBinaryOp { op: BinaryTypeOperator::Modulo, lhs: 0, rhs: 0, .. } + )); + } else { + panic!("unexpected error: {:?}", monomorphization_error); + } +} + +#[test] +fn arithmetic_generics_checked_cast_indirect_zeros() { + let source = r#" + struct W {} + + fn foo(_x: W) -> W<(N - N) % (N - N)> { + W {} + } + + fn bar(_x: W) -> Field { + N + } + + fn main() { + let w_0: W<0> = W {}; + let w = foo(w_0); + let _ = bar(w); + } + "#; + + let errors = get_program_errors(source); + assert_eq!(errors.len(), 0); + + let monomorphization_error = get_monomorphization_error(source); + assert!(monomorphization_error.is_some()); + + // Expect a CheckedCast (0 % 0) failure + let monomorphization_error = monomorphization_error.unwrap(); + if let MonomorphizationError::UnknownArrayLength { ref length, ref err, location: _ } = + monomorphization_error + { + match length { + Type::CheckedCast { from, to } => { + assert!(matches!(*from.clone(), Type::InfixExpr { .. })); + assert!(matches!(*to.clone(), Type::InfixExpr { .. })); + } + _ => panic!("unexpected length: {:?}", length), + } + match err { + TypeCheckError::ModuloOnFields { lhs, rhs, .. } => { + assert_eq!(lhs.clone(), FieldElement::zero()); + assert_eq!(rhs.clone(), FieldElement::zero()); + } + _ => panic!("expected ModuloOnFields, but found: {:?}", err), + } + } else { + panic!("unexpected error: {:?}", monomorphization_error); + } +} diff --git a/noir/noir-repo/compiler/noirc_frontend/src/tests/imports.rs b/noir/noir-repo/compiler/noirc_frontend/src/tests/imports.rs index 1da7f5ce0ce..8598d8296e5 100644 --- a/noir/noir-repo/compiler/noirc_frontend/src/tests/imports.rs +++ b/noir/noir-repo/compiler/noirc_frontend/src/tests/imports.rs @@ -127,3 +127,30 @@ fn warns_on_re_export_of_item_with_less_visibility() { ) )); } + +#[test] +fn errors_if_using_alias_in_import() { + let src = r#" + mod foo { + pub type bar = i32; + } + + use foo::bar::baz; + + fn main() { + } + "#; + + let errors = get_program_errors(src); + assert_eq!(errors.len(), 1); + + let CompilationError::DefinitionError(DefCollectorErrorKind::PathResolutionError( + PathResolutionError::NotAModule { ident, kind }, + )) = &errors[0].0 + else { + panic!("Expected a 'not a module' error, got {:?}", errors[0].0); + }; + + assert_eq!(ident.to_string(), "bar"); + assert_eq!(*kind, "type alias"); +} diff --git a/noir/noir-repo/compiler/noirc_frontend/src/tests/traits.rs b/noir/noir-repo/compiler/noirc_frontend/src/tests/traits.rs index dd6430a94cc..0adf5c90bea 100644 --- a/noir/noir-repo/compiler/noirc_frontend/src/tests/traits.rs +++ b/noir/noir-repo/compiler/noirc_frontend/src/tests/traits.rs @@ -1,6 +1,6 @@ use crate::hir::def_collector::dc_crate::CompilationError; use crate::hir::resolution::errors::ResolverError; -use crate::tests::get_program_errors; +use crate::tests::{get_program_errors, get_program_with_maybe_parser_errors}; use super::assert_no_errors; @@ -262,6 +262,64 @@ fn errors_if_impl_trait_constraint_is_not_satisfied() { assert_eq!(impl_trait, "Foo"); } +#[test] +// Regression test for https://github.com/noir-lang/noir/issues/6314 +// Baz inherits from a single trait: Foo +fn regression_6314_single_inheritance() { + let src = r#" + trait Foo { + fn foo(self) -> Self; + } + + trait Baz: Foo {} + + impl Baz for T where T: Foo {} + + fn main() { } + "#; + assert_no_errors(src); +} + +#[test] +// Regression test for https://github.com/noir-lang/noir/issues/6314 +// Baz inherits from two traits: Foo and Bar +fn regression_6314_double_inheritance() { + let src = r#" + trait Foo { + fn foo(self) -> Self; + } + + trait Bar { + fn bar(self) -> Self; + } + + trait Baz: Foo + Bar {} + + impl Baz for T where T: Foo + Bar {} + + fn baz(x: T) -> T where T: Baz { + x.foo().bar() + } + + impl Foo for Field { + fn foo(self) -> Self { + self + 1 + } + } + + impl Bar for Field { + fn bar(self) -> Self { + self + 2 + } + } + + fn main() { + assert(0.foo().bar() == baz(0)); + }"#; + + assert_no_errors(src); +} + #[test] fn removes_assumed_parent_traits_after_function_ends() { let src = r#" @@ -282,3 +340,69 @@ fn removes_assumed_parent_traits_after_function_ends() { "#; assert_no_errors(src); } + +#[test] +fn trait_bounds_which_are_dependent_on_generic_types_are_resolved_correctly() { + // Regression test for https://github.com/noir-lang/noir/issues/6420 + let src = r#" + trait Foo { + fn foo() -> Field; + } + + trait Bar: Foo { + fn bar(self) -> Field { + self.foo() + } + } + + struct MyStruct { + inner: Field, + } + + trait MarkerTrait {} + impl MarkerTrait for Field {} + + // `MyStruct` implements `Foo` only when its generic type `T` implements `MarkerTrait`. + impl Foo for MyStruct + where + T: MarkerTrait, + { + fn foo() -> Field { + 42 + } + } + + // We expect this to succeed as `MyStruct` satisfies `Bar`'s trait bounds + // of implementing `Foo` when `T` implements `MarkerTrait`. + impl Bar for MyStruct + where + T: MarkerTrait, + { + fn bar(self) -> Field { + 31415 + } + } + + fn main() { + let foo: MyStruct = MyStruct { inner: 42 }; + let _ = foo.bar(); + } + "#; + assert_no_errors(src); +} + +#[test] +fn does_not_crash_on_as_trait_path_with_empty_path() { + let src = r#" + struct Foo { + x: , + } + + fn main() {} + "#; + + let (_, _, errors) = get_program_with_maybe_parser_errors( + src, true, // allow parser errors + ); + assert!(!errors.is_empty()); +} diff --git a/noir/noir-repo/compiler/noirc_frontend/src/tests/turbofish.rs b/noir/noir-repo/compiler/noirc_frontend/src/tests/turbofish.rs index 3ded243a280..3e34ea9521b 100644 --- a/noir/noir-repo/compiler/noirc_frontend/src/tests/turbofish.rs +++ b/noir/noir-repo/compiler/noirc_frontend/src/tests/turbofish.rs @@ -269,3 +269,191 @@ fn turbofish_in_type_before_call_errors() { assert_eq!(expected_typ, "i32"); assert_eq!(expr_typ, "bool"); } + +#[test] +fn use_generic_type_alias_with_turbofish_in_method_call_does_not_error() { + let src = r#" + pub struct Foo { + } + + impl Foo { + fn new() -> Self { + Foo {} + } + } + + type Bar = Foo; + + fn foo() -> Foo { + Bar::::new() + } + + fn main() { + let _ = foo(); + } + "#; + assert_no_errors(src); +} + +#[test] +fn use_generic_type_alias_with_turbofish_in_method_call_errors() { + let src = r#" + pub struct Foo { + x: T, + } + + impl Foo { + fn new(x: T) -> Self { + Foo { x } + } + } + + type Bar = Foo; + + fn main() { + let _ = Bar::::new(true); + } + "#; + let errors = get_program_errors(src); + assert_eq!(errors.len(), 1); + + let CompilationError::TypeError(TypeCheckError::TypeMismatch { + expected_typ, + expr_typ, + expr_span: _, + }) = &errors[0].0 + else { + panic!("Expected a type mismatch error, got {:?}", errors[0].0); + }; + + assert_eq!(expected_typ, "i32"); + assert_eq!(expr_typ, "bool"); +} + +#[test] +fn use_generic_type_alias_with_partial_generics_with_turbofish_in_method_call_does_not_error() { + let src = r#" + pub struct Foo { + x: T, + y: U, + } + + impl Foo { + fn new(x: T, y: U) -> Self { + Foo { x, y } + } + } + + type Bar = Foo; + + fn main() { + let _ = Bar::::new(true, 1); + } + "#; + assert_no_errors(src); +} + +#[test] +fn use_generic_type_alias_with_partial_generics_with_turbofish_in_method_call_errors_first_type() { + let src = r#" + pub struct Foo { + x: T, + y: U, + } + + impl Foo { + fn new(x: T, y: U) -> Self { + Foo { x, y } + } + } + + type Bar = Foo; + + fn main() { + let _ = Bar::::new(1, 1); + } + "#; + let errors = get_program_errors(src); + assert_eq!(errors.len(), 1); + + let CompilationError::TypeError(TypeCheckError::TypeMismatch { + expected_typ, + expr_typ, + expr_span: _, + }) = &errors[0].0 + else { + panic!("Expected a type mismatch error, got {:?}", errors[0].0); + }; + + assert_eq!(expected_typ, "bool"); + assert_eq!(expr_typ, "Field"); +} + +#[test] +fn use_generic_type_alias_with_partial_generics_with_turbofish_in_method_call_errors_second_type() { + let src = r#" + pub struct Foo { + x: T, + y: U, + } + + impl Foo { + fn new(x: T, y: U) -> Self { + Foo { x, y } + } + } + + type Bar = Foo; + + fn main() { + let _ = Bar::::new(true, true); + } + "#; + let errors = get_program_errors(src); + assert_eq!(errors.len(), 1); + + let CompilationError::TypeError(TypeCheckError::TypeMismatch { + expected_typ, + expr_typ, + expr_span: _, + }) = &errors[0].0 + else { + panic!("Expected a type mismatch error, got {:?}", errors[0].0); + }; + + assert_eq!(expected_typ, "i32"); + assert_eq!(expr_typ, "bool"); +} + +#[test] +fn trait_function_with_turbofish_on_trait_gives_error() { + let src = r#" + trait Foo { + fn foo(_x: T) -> Self; + } + + impl Foo for i32 { + fn foo(_x: T) -> Self { + 1 + } + } + + fn main() { + let _: i32 = Foo::::foo(1); + } + "#; + let errors = get_program_errors(src); + assert_eq!(errors.len(), 1); + + let CompilationError::TypeError(TypeCheckError::TypeMismatch { + expected_typ, + expr_typ, + expr_span: _, + }) = &errors[0].0 + else { + panic!("Expected a type mismatch error, got {:?}", errors[0].0); + }; + + assert_eq!(expected_typ, "bool"); + assert_eq!(expr_typ, "Field"); +} diff --git a/noir/noir-repo/compiler/noirc_frontend/src/tests/unused_items.rs b/noir/noir-repo/compiler/noirc_frontend/src/tests/unused_items.rs index 86f77fc397a..5f9fc887b27 100644 --- a/noir/noir-repo/compiler/noirc_frontend/src/tests/unused_items.rs +++ b/noir/noir-repo/compiler/noirc_frontend/src/tests/unused_items.rs @@ -294,3 +294,23 @@ fn no_warning_on_self_in_trait_impl() { "#; assert_no_errors(src); } + +#[test] +fn resolves_trait_where_clause_in_the_correct_module() { + // This is a regression test for https://github.com/noir-lang/noir/issues/6479 + let src = r#" + mod foo { + pub trait Foo {} + } + + use foo::Foo; + + pub trait Bar + where + T: Foo, + {} + + fn main() {} + "#; + assert_no_errors(src); +} diff --git a/noir/noir-repo/compiler/noirc_frontend/src/usage_tracker.rs b/noir/noir-repo/compiler/noirc_frontend/src/usage_tracker.rs index 0a112c6937d..fa87ca6961b 100644 --- a/noir/noir-repo/compiler/noirc_frontend/src/usage_tracker.rs +++ b/noir/noir-repo/compiler/noirc_frontend/src/usage_tracker.rs @@ -73,7 +73,7 @@ impl UsageTracker { }; } - pub(crate) fn unused_items(&self) -> &HashMap> { + pub fn unused_items(&self) -> &HashMap> { &self.unused_items } } diff --git a/noir/noir-repo/compiler/wasm/package.json b/noir/noir-repo/compiler/wasm/package.json index 33afde0c27a..9b819ef64bb 100644 --- a/noir/noir-repo/compiler/wasm/package.json +++ b/noir/noir-repo/compiler/wasm/package.json @@ -3,7 +3,7 @@ "contributors": [ "The Noir Team " ], - "version": "0.36.0", + "version": "0.38.0", "license": "(MIT OR Apache-2.0)", "main": "dist/main.js", "types": "./dist/types/src/index.d.cts", diff --git a/noir/noir-repo/compiler/wasm/src/compile.rs b/noir/noir-repo/compiler/wasm/src/compile.rs index 05f42bc91a1..e823f90add5 100644 --- a/noir/noir-repo/compiler/wasm/src/compile.rs +++ b/noir/noir-repo/compiler/wasm/src/compile.rs @@ -180,6 +180,13 @@ pub fn compile_program( .0; let optimized_program = nargo::ops::transform_program(compiled_program, expression_width); + nargo::ops::check_program(&optimized_program).map_err(|errs| { + CompileError::with_file_diagnostics( + "Compiled program is not solvable", + errs, + &context.file_manager, + ) + })?; let warnings = optimized_program.warnings.clone(); Ok(JsCompileProgramResult::new(optimized_program.into(), warnings)) diff --git a/noir/noir-repo/compiler/wasm/src/compile_new.rs b/noir/noir-repo/compiler/wasm/src/compile_new.rs index ef2af1dd654..ac2f79147b3 100644 --- a/noir/noir-repo/compiler/wasm/src/compile_new.rs +++ b/noir/noir-repo/compiler/wasm/src/compile_new.rs @@ -118,6 +118,13 @@ impl CompilerContext { .0; let optimized_program = nargo::ops::transform_program(compiled_program, expression_width); + nargo::ops::check_program(&optimized_program).map_err(|errs| { + CompileError::with_file_diagnostics( + "Compiled program is not solvable", + errs, + &self.context.file_manager, + ) + })?; let warnings = optimized_program.warnings.clone(); Ok(JsCompileProgramResult::new(optimized_program.into(), warnings)) diff --git a/noir/noir-repo/cspell.json b/noir/noir-repo/cspell.json index 8945ad21bdc..d8315c35910 100644 --- a/noir/noir-repo/cspell.json +++ b/noir/noir-repo/cspell.json @@ -14,6 +14,7 @@ "arithmetization", "arity", "arkworks", + "autoload", "backpropagate", "Backpropagation", "barebones", @@ -37,7 +38,10 @@ "callsites", "callstack", "callstacks", + "canonicalization", "canonicalize", + "canonicalized", + "canonicalizing", "castable", "catmcgee", "Celo", @@ -51,6 +55,7 @@ "codespan", "coeff", "combinators", + "compinit", "comptime", "cpus", "cranelift", @@ -91,6 +96,7 @@ "forall", "foralls", "formatcp", + "fpath", "frontends", "fuzzer", "fxhash", @@ -170,6 +176,7 @@ "prettytable", "printstd", "proptest", + "proptests", "pseudocode", "pubkey", "quantile", @@ -196,8 +203,8 @@ "stdlib", "structs", "subexpression", - "subtrait", "subshell", + "subtrait", "subtyping", "supertrait", "supertraits", diff --git a/noir/noir-repo/deny.toml b/noir/noir-repo/deny.toml index 3518628ee44..661c8095281 100644 --- a/noir/noir-repo/deny.toml +++ b/noir/noir-repo/deny.toml @@ -6,7 +6,8 @@ version = 2 yanked = "warn" ignore = [ - "RUSTSEC-2020-0168", # mach unmaintained + "RUSTSEC-2024-0388", # derivative unmaintained + "RUSTSEC-2024-0384", # instant unmaintained "RUSTSEC-2020-0016", # net2 unmaintained ] @@ -49,12 +50,9 @@ allow = [ "ISC", "0BSD", "Unicode-DFS-2016", + "Unicode-3.0", "Unlicense", "Zlib", - # https://github.com/briansmith/ring/issues/902 - "LicenseRef-ring", - # https://github.com/rustls/webpki/blob/main/LICENSE ISC Style - "LicenseRef-rustls-webpki", # bitmaps 2.1.0, im 15.1.0 "MPL-2.0", # Boost Software License @@ -76,16 +74,6 @@ exceptions = [ { allow = ["CDDL-1.0"], name = "inferno" }, ] -[[licenses.clarify]] -name = "ring" -expression = "LicenseRef-ring" -license-files = [{ path = "LICENSE", hash = 0xbd0eed23 }] - -[[licenses.clarify]] -name = "rustls-webpki" -expression = "LicenseRef-rustls-webpki" -license-files = [{ path = "LICENSE", hash = 0x001c7e6c }] - # This section is considered when running `cargo deny check sources`. # More documentation about the 'sources' section can be found here: # https://embarkstudios.github.io/cargo-deny/checks/sources/cfg.html diff --git a/noir/noir-repo/docs/docs/getting_started/noir_installation.md b/noir/noir-repo/docs/docs/getting_started/noir_installation.md index f92fd8dea38..a5c7e649278 100644 --- a/noir/noir-repo/docs/docs/getting_started/noir_installation.md +++ b/noir/noir-repo/docs/docs/getting_started/noir_installation.md @@ -91,6 +91,10 @@ Step 1: Follow the instructions [here](https://learn.microsoft.com/en-us/windows step 2: Follow the [Noirup instructions](#installing-noirup). +## Setting up shell completions + +Once `nargo` is installed, you can [set up shell completions for it](setting_up_shell_completions). + ## Uninstalling Nargo If you installed Nargo with `noirup`, you can uninstall Nargo by removing the files in `~/.nargo`, `~/nargo`, and `~/noir_cache`. This ensures that all installed binaries, configurations, and cache related to Nargo are fully removed from your system. diff --git a/noir/noir-repo/docs/docs/getting_started/quick_start.md b/noir/noir-repo/docs/docs/getting_started/quick_start.md index 4ce48409818..c693624eb82 100644 --- a/noir/noir-repo/docs/docs/getting_started/quick_start.md +++ b/noir/noir-repo/docs/docs/getting_started/quick_start.md @@ -17,6 +17,8 @@ curl -L noirup.dev | bash noirup ``` +Once installed, you can [set up shell completions for the `nargo` command](setting_up_shell_completions). + ### Proving backend After installing Noir, we install a proving backend to work with our Noir programs. diff --git a/noir/noir-repo/docs/docs/getting_started/setting_up_shell_completions.md b/noir/noir-repo/docs/docs/getting_started/setting_up_shell_completions.md new file mode 100644 index 00000000000..0447321cbab --- /dev/null +++ b/noir/noir-repo/docs/docs/getting_started/setting_up_shell_completions.md @@ -0,0 +1,87 @@ +--- +title: Setting up shell completions +tags: [] +sidebar_position: 3 +--- + +The `nargo` binary provides a command to generate shell completions: + +```bash +nargo generate-completion-script [shell] +``` + +where `shell` must be one of `bash`, `elvish`, `fish`, `powershell`, and `zsh`. + +Below we explain how to install them in some popular shells. + +## Installing Zsh Completions + +If you have `oh-my-zsh` installed, you might already have a directory of automatically loading completion scripts — `.oh-my-zsh/completions`. +If not, first create it: + +```bash +mkdir -p ~/.oh-my-zsh/completions` +``` + +Then copy the completion script to that directory: + +```bash +nargo generate-completion-script zsh > ~/.oh-my-zsh/completions/_nargo +``` + +Without `oh-my-zsh`, you’ll need to add a path for completion scripts to your function path, and turn on completion script auto-loading. +First, add these lines to `~/.zshrc`: + +```bash +fpath=(~/.zsh/completions $fpath) +autoload -U compinit +compinit +``` + +Next, create a directory at `~/.zsh/completions`: + +```bash +mkdir -p ~/.zsh/completions +``` + +Then copy the completion script to that directory: + +```bash +nargo generate-completion-script zsh > ~/.zsh/completions/_nargo +``` + +## Installing Bash Completions + +If you have [bash-completion](https://github.com/scop/bash-completion) installed, you can just copy the completion script to the `/usr/local/etc/bash_completion.d` directory: + +```bash +nargo generate-completion-script bash > /usr/local/etc/bash_completion.d/nargo +``` + +Without `bash-completion`, you’ll need to source the completion script directly. +First create a directory such as `~/.bash_completions/`: + +```bash +mkdir ~/.bash_completions/ +``` + +Copy the completion script to that directory: + +```bash +nargo generate-completion-script bash > ~/.bash_completions/nargo.bash +``` + +Then add the following line to `~/.bash_profile` or `~/.bashrc`: + + +```bash +source ~/.bash_completions/nargo.bash +``` + +## Installing Fish Completions + +Copy the completion script to any path listed in the environment variable `$fish_completion_path`. For example, a typical location is `~/.config/fish/completions/nargo.fish`: + +```bash +nargo generate-completion-script fish > ~/.config/fish/completions/nargo.fish +``` diff --git a/noir/noir-repo/docs/docs/how_to/how-to-oracles.md b/noir/noir-repo/docs/docs/how_to/how-to-oracles.md index dc49b192384..4763b7788d6 100644 --- a/noir/noir-repo/docs/docs/how_to/how-to-oracles.md +++ b/noir/noir-repo/docs/docs/how_to/how-to-oracles.md @@ -18,8 +18,6 @@ This guide shows you how to use oracles in your Noir program. For the sake of cl - You understand the concept of a JSON-RPC server. Visit the [JSON-RPC website](https://www.jsonrpc.org/) if you need a refresher. - You are comfortable with server-side JavaScript (e.g. Node.js, managing packages, etc.). -For reference, you can find the snippets used in this tutorial on the [Aztec DevRel Repository](https://github.com/AztecProtocol/dev-rel/tree/main/code-snippets/how-to-oracles). - ## Rundown This guide has 3 major steps: @@ -99,6 +97,12 @@ fn main(input: [Field; 2]) { assert(sqrt[0].pow_32(2) as u64 == input[0] as u64); assert(sqrt[1].pow_32(2) as u64 == input[1] as u64); } + +#[test] +fn test() { + let input = [4, 16]; + main(input); +} ``` :::info @@ -137,44 +141,38 @@ app.listen(5555); Now, we will add our `getSqrt` method, as expected by the `#[oracle(getSqrt)]` decorator in our Noir code. It maps through the params array and returns their square roots: ```js -server.addMethod("resolve_function_call", async (params) => { - if params.function !== "getSqrt" { - throw Error("Unexpected foreign call") - }; - const values = params.inputs[0].Array.map((field) => { - return `${Math.sqrt(parseInt(field, 16))}`; - }); - return { values: [{ Array: values }] }; +server.addMethod("resolve_foreign_call", async (params) => { + if (params[0].function !== "getSqrt") { + throw Error("Unexpected foreign call") + }; + const values = params[0].inputs[0].map((field) => { + return `${Math.sqrt(parseInt(field, 16))}`; + }); + return { values: [values] }; }); ``` If you're using Typescript, the following types may be helpful in understanding the expected return value and making sure they're easy to follow: ```js -interface SingleForeignCallParam { - Single: string, -} +export type ForeignCallSingle = string; -interface ArrayForeignCallParam { - Array: string[], -} - -type ForeignCallParam = SingleForeignCallParam | ArrayForeignCallParam; +export type ForeignCallArray = string[]; -interface ForeignCallResult { - values: ForeignCallParam[], -} +export type ForeignCallResult = { + values: (ForeignCallSingle | ForeignCallArray)[]; +}; ``` -::: Multidimensional Arrays +:::info Multidimensional Arrays -If the Oracle function is returning an array containing other arrays, such as `[['1','2],['3','4']]`, you need to provide the values in json as flattened values. In the previous example, it would be `['1', '2', '3', '4']`. In the noir program, the Oracle signature can use a nested type, the flattened values will be automatically converted to the nested type. +If the Oracle function is returning an array containing other arrays, such as `[['1','2],['3','4']]`, you need to provide the values in JSON as flattened values. In the previous example, it would be `['1', '2', '3', '4']`. In the Noir program, the Oracle signature can use a nested type, the flattened values will be automatically converted to the nested type. ::: ## Step 3 - Usage with Nargo -Using the [`nargo` CLI tool](../getting_started/noir_installation.md), you can use oracles in the `nargo test` and `nargo execute` commands by passing a value to `--oracle-resolver`. For example: +Using the [`nargo` CLI tool](../reference/nargo_commands.md), you can use oracles in the `nargo test` and `nargo execute` commands by passing a value to `--oracle-resolver`. For example: ```bash nargo test --oracle-resolver http://localhost:5555 @@ -233,17 +231,21 @@ const client = new JSONRPCClient((jsonRPCRequest) => { // declaring a function that takes the name of the foreign call (getSqrt) and the inputs const foreignCallHandler = async (name, input) => { - // notice that the "inputs" parameter contains *all* the inputs - // in this case we make the RPC request with the first parameter "numbers", which would be input[0] - const oracleReturn = await client.request(name, [ - input[0].map((i) => i.toString("hex")), - ]); - return { values: oracleReturn }; + const inputs = input[0].map((i) => i.toString("hex")) + // notice that the "inputs" parameter contains *all* the inputs + // in this case we to make the RPC request with the first parameter "numbers", which would be input[0] + const oracleReturn = await client.request("resolve_foreign_call", [ + { + function: name, + inputs: [inputs] + }, + ]); + return [oracleReturn.values[0]]; }; // the rest of your NoirJS code const input = { input: [4, 16] }; -const { witness } = await noir.execute(numbers, foreignCallHandler); +const { witness } = await noir.execute(input, foreignCallHandler); ``` :::tip diff --git a/noir/noir-repo/docs/docs/noir/standard_library/cryptographic_primitives/hashes.mdx b/noir/noir-repo/docs/docs/noir/standard_library/cryptographic_primitives/hashes.mdx index c33ce34e4d1..b7518fa95c1 100644 --- a/noir/noir-repo/docs/docs/noir/standard_library/cryptographic_primitives/hashes.mdx +++ b/noir/noir-repo/docs/docs/noir/standard_library/cryptographic_primitives/hashes.mdx @@ -2,9 +2,9 @@ title: Hash methods description: Learn about the cryptographic primitives ready to use for any Noir project, including sha256, - blake2s, pedersen, mimc_bn254 and mimc + blake2s and pedersen keywords: - [cryptographic primitives, Noir project, sha256, blake2s, pedersen, mimc_bn254, mimc, hash] + [cryptographic primitives, Noir project, sha256, blake2s, pedersen, hash] sidebar_position: 0 --- @@ -131,32 +131,6 @@ example: #include_code poseidon2 test_programs/execution_success/poseidon2/src/main.nr rust -## mimc_bn254 and mimc - -`mimc_bn254` is `mimc`, but with hardcoded parameters for the BN254 curve. You can use it by -providing an array of Fields, and it returns a Field with the hash. You can use the `mimc` method if -you're willing to input your own constants: - -```rust -fn mimc(x: Field, k: Field, constants: [Field; N], exp : Field) -> Field -``` - -otherwise, use the `mimc_bn254` method: - -```rust -fn mimc_bn254(array: [Field; N]) -> Field -``` - -example: - -```rust - -fn main() { - let x = [163, 117, 178, 149]; // some random bytes - let hash = std::hash::mimc::mimc_bn254(x); -} -``` - ## hash_to_field ```rust diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.32.0/how_to/how-to-oracles.md b/noir/noir-repo/docs/versioned_docs/version-v0.32.0/how_to/how-to-oracles.md index 2f69902062c..94a89710e66 100644 --- a/noir/noir-repo/docs/versioned_docs/version-v0.32.0/how_to/how-to-oracles.md +++ b/noir/noir-repo/docs/versioned_docs/version-v0.32.0/how_to/how-to-oracles.md @@ -18,8 +18,6 @@ This guide shows you how to use oracles in your Noir program. For the sake of cl - You understand the concept of a JSON-RPC server. Visit the [JSON-RPC website](https://www.jsonrpc.org/) if you need a refresher. - You are comfortable with server-side JavaScript (e.g. Node.js, managing packages, etc.). -For reference, you can find the snippets used in this tutorial on the [Aztec DevRel Repository](https://github.com/AztecProtocol/dev-rel/tree/main/code-snippets/how-to-oracles). - ## Rundown This guide has 3 major steps: @@ -137,38 +135,32 @@ app.listen(5555); Now, we will add our `getSqrt` method, as expected by the `#[oracle(getSqrt)]` decorator in our Noir code. It maps through the params array and returns their square roots: ```js -server.addMethod("resolve_function_call", async (params) => { - if params.function !== "getSqrt" { - throw Error("Unexpected foreign call") - }; - const values = params.inputs[0].Array.map((field) => { - return `${Math.sqrt(parseInt(field, 16))}`; - }); - return { values: [{ Array: values }] }; +server.addMethod("resolve_foreign_call", async (params) => { + if (params[0].function !== "getSqrt") { + throw Error("Unexpected foreign call") + }; + const values = params[0].inputs[0].map((field) => { + return `${Math.sqrt(parseInt(field, 16))}`; + }); + return { values: [values] }; }); ``` If you're using Typescript, the following types may be helpful in understanding the expected return value and making sure they're easy to follow: ```js -interface SingleForeignCallParam { - Single: string, -} - -interface ArrayForeignCallParam { - Array: string[], -} +export type ForeignCallSingle = string; -type ForeignCallParam = SingleForeignCallParam | ArrayForeignCallParam; +export type ForeignCallArray = string[]; -interface ForeignCallResult { - values: ForeignCallParam[], -} +export type ForeignCallResult = { + values: (ForeignCallSingle | ForeignCallArray)[]; +}; ``` -::: Multidimensional Arrays +:::info Multidimensional Arrays -If the Oracle function is returning an array containing other arrays, such as `[['1','2],['3','4']]`, you need to provide the values in json as flattened values. In the previous example, it would be `['1', '2', '3', '4']`. In the noir program, the Oracle signature can use a nested type, the flattened values will be automatically converted to the nested type. +If the Oracle function is returning an array containing other arrays, such as `[['1','2],['3','4']]`, you need to provide the values in JSON as flattened values. In the previous example, it would be `['1', '2', '3', '4']`. In the Noir program, the Oracle signature can use a nested type, the flattened values will be automatically converted to the nested type. ::: @@ -233,17 +225,21 @@ const client = new JSONRPCClient((jsonRPCRequest) => { // declaring a function that takes the name of the foreign call (getSqrt) and the inputs const foreignCallHandler = async (name, input) => { - // notice that the "inputs" parameter contains *all* the inputs - // in this case we make the RPC request with the first parameter "numbers", which would be input[0] - const oracleReturn = await client.request(name, [ - input[0].map((i) => i.toString("hex")), - ]); - return { values: oracleReturn }; + const inputs = input[0].map((i) => i.toString("hex")) + // notice that the "inputs" parameter contains *all* the inputs + // in this case we to make the RPC request with the first parameter "numbers", which would be input[0] + const oracleReturn = await client.request("resolve_foreign_call", [ + { + function: name, + inputs: [inputs] + }, + ]); + return [oracleReturn.values[0]]; }; // the rest of your NoirJS code const input = { input: [4, 16] }; -const { witness } = await noir.execute(numbers, foreignCallHandler); +const { witness } = await noir.execute(input, foreignCallHandler); ``` :::tip diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.33.0/how_to/how-to-oracles.md b/noir/noir-repo/docs/versioned_docs/version-v0.33.0/how_to/how-to-oracles.md index 2f69902062c..392dd8b452e 100644 --- a/noir/noir-repo/docs/versioned_docs/version-v0.33.0/how_to/how-to-oracles.md +++ b/noir/noir-repo/docs/versioned_docs/version-v0.33.0/how_to/how-to-oracles.md @@ -18,8 +18,6 @@ This guide shows you how to use oracles in your Noir program. For the sake of cl - You understand the concept of a JSON-RPC server. Visit the [JSON-RPC website](https://www.jsonrpc.org/) if you need a refresher. - You are comfortable with server-side JavaScript (e.g. Node.js, managing packages, etc.). -For reference, you can find the snippets used in this tutorial on the [Aztec DevRel Repository](https://github.com/AztecProtocol/dev-rel/tree/main/code-snippets/how-to-oracles). - ## Rundown This guide has 3 major steps: @@ -99,6 +97,12 @@ fn main(input: [Field; 2]) { assert(sqrt[0].pow_32(2) as u64 == input[0] as u64); assert(sqrt[1].pow_32(2) as u64 == input[1] as u64); } + +#[test] +fn test() { + let input = [4, 16]; + main(input); +} ``` :::info @@ -137,38 +141,32 @@ app.listen(5555); Now, we will add our `getSqrt` method, as expected by the `#[oracle(getSqrt)]` decorator in our Noir code. It maps through the params array and returns their square roots: ```js -server.addMethod("resolve_function_call", async (params) => { - if params.function !== "getSqrt" { - throw Error("Unexpected foreign call") - }; - const values = params.inputs[0].Array.map((field) => { - return `${Math.sqrt(parseInt(field, 16))}`; - }); - return { values: [{ Array: values }] }; +server.addMethod("resolve_foreign_call", async (params) => { + if (params[0].function !== "getSqrt") { + throw Error("Unexpected foreign call") + }; + const values = params[0].inputs[0].map((field) => { + return `${Math.sqrt(parseInt(field, 16))}`; + }); + return { values: [values] }; }); ``` If you're using Typescript, the following types may be helpful in understanding the expected return value and making sure they're easy to follow: ```js -interface SingleForeignCallParam { - Single: string, -} +export type ForeignCallSingle = string; -interface ArrayForeignCallParam { - Array: string[], -} - -type ForeignCallParam = SingleForeignCallParam | ArrayForeignCallParam; +export type ForeignCallArray = string[]; -interface ForeignCallResult { - values: ForeignCallParam[], -} +export type ForeignCallResult = { + values: (ForeignCallSingle | ForeignCallArray)[]; +}; ``` -::: Multidimensional Arrays +:::info Multidimensional Arrays -If the Oracle function is returning an array containing other arrays, such as `[['1','2],['3','4']]`, you need to provide the values in json as flattened values. In the previous example, it would be `['1', '2', '3', '4']`. In the noir program, the Oracle signature can use a nested type, the flattened values will be automatically converted to the nested type. +If the Oracle function is returning an array containing other arrays, such as `[['1','2],['3','4']]`, you need to provide the values in JSON as flattened values. In the previous example, it would be `['1', '2', '3', '4']`. In the Noir program, the Oracle signature can use a nested type, the flattened values will be automatically converted to the nested type. ::: @@ -233,17 +231,21 @@ const client = new JSONRPCClient((jsonRPCRequest) => { // declaring a function that takes the name of the foreign call (getSqrt) and the inputs const foreignCallHandler = async (name, input) => { - // notice that the "inputs" parameter contains *all* the inputs - // in this case we make the RPC request with the first parameter "numbers", which would be input[0] - const oracleReturn = await client.request(name, [ - input[0].map((i) => i.toString("hex")), - ]); - return { values: oracleReturn }; + const inputs = input[0].map((i) => i.toString("hex")) + // notice that the "inputs" parameter contains *all* the inputs + // in this case we to make the RPC request with the first parameter "numbers", which would be input[0] + const oracleReturn = await client.request("resolve_foreign_call", [ + { + function: name, + inputs: [inputs] + }, + ]); + return [oracleReturn.values[0]]; }; // the rest of your NoirJS code const input = { input: [4, 16] }; -const { witness } = await noir.execute(numbers, foreignCallHandler); +const { witness } = await noir.execute(input, foreignCallHandler); ``` :::tip @@ -270,4 +272,4 @@ app.use(cors()) Hopefully by the end of this guide, you should be able to: - Write your own logic around Oracles and how to write a JSON RPC server to make them work with your Nargo commands. -- Provide custom foreign call handlers for NoirJS. +- Provide custom foreign call handlers for NoirJS. \ No newline at end of file diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.34.0/how_to/how-to-oracles.md b/noir/noir-repo/docs/versioned_docs/version-v0.34.0/how_to/how-to-oracles.md index 2f69902062c..392dd8b452e 100644 --- a/noir/noir-repo/docs/versioned_docs/version-v0.34.0/how_to/how-to-oracles.md +++ b/noir/noir-repo/docs/versioned_docs/version-v0.34.0/how_to/how-to-oracles.md @@ -18,8 +18,6 @@ This guide shows you how to use oracles in your Noir program. For the sake of cl - You understand the concept of a JSON-RPC server. Visit the [JSON-RPC website](https://www.jsonrpc.org/) if you need a refresher. - You are comfortable with server-side JavaScript (e.g. Node.js, managing packages, etc.). -For reference, you can find the snippets used in this tutorial on the [Aztec DevRel Repository](https://github.com/AztecProtocol/dev-rel/tree/main/code-snippets/how-to-oracles). - ## Rundown This guide has 3 major steps: @@ -99,6 +97,12 @@ fn main(input: [Field; 2]) { assert(sqrt[0].pow_32(2) as u64 == input[0] as u64); assert(sqrt[1].pow_32(2) as u64 == input[1] as u64); } + +#[test] +fn test() { + let input = [4, 16]; + main(input); +} ``` :::info @@ -137,38 +141,32 @@ app.listen(5555); Now, we will add our `getSqrt` method, as expected by the `#[oracle(getSqrt)]` decorator in our Noir code. It maps through the params array and returns their square roots: ```js -server.addMethod("resolve_function_call", async (params) => { - if params.function !== "getSqrt" { - throw Error("Unexpected foreign call") - }; - const values = params.inputs[0].Array.map((field) => { - return `${Math.sqrt(parseInt(field, 16))}`; - }); - return { values: [{ Array: values }] }; +server.addMethod("resolve_foreign_call", async (params) => { + if (params[0].function !== "getSqrt") { + throw Error("Unexpected foreign call") + }; + const values = params[0].inputs[0].map((field) => { + return `${Math.sqrt(parseInt(field, 16))}`; + }); + return { values: [values] }; }); ``` If you're using Typescript, the following types may be helpful in understanding the expected return value and making sure they're easy to follow: ```js -interface SingleForeignCallParam { - Single: string, -} +export type ForeignCallSingle = string; -interface ArrayForeignCallParam { - Array: string[], -} - -type ForeignCallParam = SingleForeignCallParam | ArrayForeignCallParam; +export type ForeignCallArray = string[]; -interface ForeignCallResult { - values: ForeignCallParam[], -} +export type ForeignCallResult = { + values: (ForeignCallSingle | ForeignCallArray)[]; +}; ``` -::: Multidimensional Arrays +:::info Multidimensional Arrays -If the Oracle function is returning an array containing other arrays, such as `[['1','2],['3','4']]`, you need to provide the values in json as flattened values. In the previous example, it would be `['1', '2', '3', '4']`. In the noir program, the Oracle signature can use a nested type, the flattened values will be automatically converted to the nested type. +If the Oracle function is returning an array containing other arrays, such as `[['1','2],['3','4']]`, you need to provide the values in JSON as flattened values. In the previous example, it would be `['1', '2', '3', '4']`. In the Noir program, the Oracle signature can use a nested type, the flattened values will be automatically converted to the nested type. ::: @@ -233,17 +231,21 @@ const client = new JSONRPCClient((jsonRPCRequest) => { // declaring a function that takes the name of the foreign call (getSqrt) and the inputs const foreignCallHandler = async (name, input) => { - // notice that the "inputs" parameter contains *all* the inputs - // in this case we make the RPC request with the first parameter "numbers", which would be input[0] - const oracleReturn = await client.request(name, [ - input[0].map((i) => i.toString("hex")), - ]); - return { values: oracleReturn }; + const inputs = input[0].map((i) => i.toString("hex")) + // notice that the "inputs" parameter contains *all* the inputs + // in this case we to make the RPC request with the first parameter "numbers", which would be input[0] + const oracleReturn = await client.request("resolve_foreign_call", [ + { + function: name, + inputs: [inputs] + }, + ]); + return [oracleReturn.values[0]]; }; // the rest of your NoirJS code const input = { input: [4, 16] }; -const { witness } = await noir.execute(numbers, foreignCallHandler); +const { witness } = await noir.execute(input, foreignCallHandler); ``` :::tip @@ -270,4 +272,4 @@ app.use(cors()) Hopefully by the end of this guide, you should be able to: - Write your own logic around Oracles and how to write a JSON RPC server to make them work with your Nargo commands. -- Provide custom foreign call handlers for NoirJS. +- Provide custom foreign call handlers for NoirJS. \ No newline at end of file diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.35.0/how_to/how-to-oracles.md b/noir/noir-repo/docs/versioned_docs/version-v0.35.0/how_to/how-to-oracles.md index 2f69902062c..392dd8b452e 100644 --- a/noir/noir-repo/docs/versioned_docs/version-v0.35.0/how_to/how-to-oracles.md +++ b/noir/noir-repo/docs/versioned_docs/version-v0.35.0/how_to/how-to-oracles.md @@ -18,8 +18,6 @@ This guide shows you how to use oracles in your Noir program. For the sake of cl - You understand the concept of a JSON-RPC server. Visit the [JSON-RPC website](https://www.jsonrpc.org/) if you need a refresher. - You are comfortable with server-side JavaScript (e.g. Node.js, managing packages, etc.). -For reference, you can find the snippets used in this tutorial on the [Aztec DevRel Repository](https://github.com/AztecProtocol/dev-rel/tree/main/code-snippets/how-to-oracles). - ## Rundown This guide has 3 major steps: @@ -99,6 +97,12 @@ fn main(input: [Field; 2]) { assert(sqrt[0].pow_32(2) as u64 == input[0] as u64); assert(sqrt[1].pow_32(2) as u64 == input[1] as u64); } + +#[test] +fn test() { + let input = [4, 16]; + main(input); +} ``` :::info @@ -137,38 +141,32 @@ app.listen(5555); Now, we will add our `getSqrt` method, as expected by the `#[oracle(getSqrt)]` decorator in our Noir code. It maps through the params array and returns their square roots: ```js -server.addMethod("resolve_function_call", async (params) => { - if params.function !== "getSqrt" { - throw Error("Unexpected foreign call") - }; - const values = params.inputs[0].Array.map((field) => { - return `${Math.sqrt(parseInt(field, 16))}`; - }); - return { values: [{ Array: values }] }; +server.addMethod("resolve_foreign_call", async (params) => { + if (params[0].function !== "getSqrt") { + throw Error("Unexpected foreign call") + }; + const values = params[0].inputs[0].map((field) => { + return `${Math.sqrt(parseInt(field, 16))}`; + }); + return { values: [values] }; }); ``` If you're using Typescript, the following types may be helpful in understanding the expected return value and making sure they're easy to follow: ```js -interface SingleForeignCallParam { - Single: string, -} +export type ForeignCallSingle = string; -interface ArrayForeignCallParam { - Array: string[], -} - -type ForeignCallParam = SingleForeignCallParam | ArrayForeignCallParam; +export type ForeignCallArray = string[]; -interface ForeignCallResult { - values: ForeignCallParam[], -} +export type ForeignCallResult = { + values: (ForeignCallSingle | ForeignCallArray)[]; +}; ``` -::: Multidimensional Arrays +:::info Multidimensional Arrays -If the Oracle function is returning an array containing other arrays, such as `[['1','2],['3','4']]`, you need to provide the values in json as flattened values. In the previous example, it would be `['1', '2', '3', '4']`. In the noir program, the Oracle signature can use a nested type, the flattened values will be automatically converted to the nested type. +If the Oracle function is returning an array containing other arrays, such as `[['1','2],['3','4']]`, you need to provide the values in JSON as flattened values. In the previous example, it would be `['1', '2', '3', '4']`. In the Noir program, the Oracle signature can use a nested type, the flattened values will be automatically converted to the nested type. ::: @@ -233,17 +231,21 @@ const client = new JSONRPCClient((jsonRPCRequest) => { // declaring a function that takes the name of the foreign call (getSqrt) and the inputs const foreignCallHandler = async (name, input) => { - // notice that the "inputs" parameter contains *all* the inputs - // in this case we make the RPC request with the first parameter "numbers", which would be input[0] - const oracleReturn = await client.request(name, [ - input[0].map((i) => i.toString("hex")), - ]); - return { values: oracleReturn }; + const inputs = input[0].map((i) => i.toString("hex")) + // notice that the "inputs" parameter contains *all* the inputs + // in this case we to make the RPC request with the first parameter "numbers", which would be input[0] + const oracleReturn = await client.request("resolve_foreign_call", [ + { + function: name, + inputs: [inputs] + }, + ]); + return [oracleReturn.values[0]]; }; // the rest of your NoirJS code const input = { input: [4, 16] }; -const { witness } = await noir.execute(numbers, foreignCallHandler); +const { witness } = await noir.execute(input, foreignCallHandler); ``` :::tip @@ -270,4 +272,4 @@ app.use(cors()) Hopefully by the end of this guide, you should be able to: - Write your own logic around Oracles and how to write a JSON RPC server to make them work with your Nargo commands. -- Provide custom foreign call handlers for NoirJS. +- Provide custom foreign call handlers for NoirJS. \ No newline at end of file diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.36.0/how_to/how-to-oracles.md b/noir/noir-repo/docs/versioned_docs/version-v0.36.0/how_to/how-to-oracles.md index dc49b192384..08ce6ee5476 100644 --- a/noir/noir-repo/docs/versioned_docs/version-v0.36.0/how_to/how-to-oracles.md +++ b/noir/noir-repo/docs/versioned_docs/version-v0.36.0/how_to/how-to-oracles.md @@ -18,8 +18,6 @@ This guide shows you how to use oracles in your Noir program. For the sake of cl - You understand the concept of a JSON-RPC server. Visit the [JSON-RPC website](https://www.jsonrpc.org/) if you need a refresher. - You are comfortable with server-side JavaScript (e.g. Node.js, managing packages, etc.). -For reference, you can find the snippets used in this tutorial on the [Aztec DevRel Repository](https://github.com/AztecProtocol/dev-rel/tree/main/code-snippets/how-to-oracles). - ## Rundown This guide has 3 major steps: @@ -99,6 +97,12 @@ fn main(input: [Field; 2]) { assert(sqrt[0].pow_32(2) as u64 == input[0] as u64); assert(sqrt[1].pow_32(2) as u64 == input[1] as u64); } + +#[test] +fn test() { + let input = [4, 16]; + main(input); +} ``` :::info @@ -137,44 +141,38 @@ app.listen(5555); Now, we will add our `getSqrt` method, as expected by the `#[oracle(getSqrt)]` decorator in our Noir code. It maps through the params array and returns their square roots: ```js -server.addMethod("resolve_function_call", async (params) => { - if params.function !== "getSqrt" { - throw Error("Unexpected foreign call") - }; - const values = params.inputs[0].Array.map((field) => { - return `${Math.sqrt(parseInt(field, 16))}`; - }); - return { values: [{ Array: values }] }; +server.addMethod("resolve_foreign_call", async (params) => { + if (params[0].function !== "getSqrt") { + throw Error("Unexpected foreign call") + }; + const values = params[0].inputs[0].map((field) => { + return `${Math.sqrt(parseInt(field, 16))}`; + }); + return { values: [values] }; }); ``` If you're using Typescript, the following types may be helpful in understanding the expected return value and making sure they're easy to follow: ```js -interface SingleForeignCallParam { - Single: string, -} +export type ForeignCallSingle = string; -interface ArrayForeignCallParam { - Array: string[], -} - -type ForeignCallParam = SingleForeignCallParam | ArrayForeignCallParam; +export type ForeignCallArray = string[]; -interface ForeignCallResult { - values: ForeignCallParam[], -} +export type ForeignCallResult = { + values: (ForeignCallSingle | ForeignCallArray)[]; +}; ``` -::: Multidimensional Arrays +:::info Multidimensional Arrays -If the Oracle function is returning an array containing other arrays, such as `[['1','2],['3','4']]`, you need to provide the values in json as flattened values. In the previous example, it would be `['1', '2', '3', '4']`. In the noir program, the Oracle signature can use a nested type, the flattened values will be automatically converted to the nested type. +If the Oracle function is returning an array containing other arrays, such as `[['1','2],['3','4']]`, you need to provide the values in JSON as flattened values. In the previous example, it would be `['1', '2', '3', '4']`. In the Noir program, the Oracle signature can use a nested type, the flattened values will be automatically converted to the nested type. ::: ## Step 3 - Usage with Nargo -Using the [`nargo` CLI tool](../getting_started/noir_installation.md), you can use oracles in the `nargo test` and `nargo execute` commands by passing a value to `--oracle-resolver`. For example: +Using the [`nargo` CLI tool](../reference/nargo_commands.md), you can use oracles in the `nargo test` and `nargo execute` commands by passing a value to `--oracle-resolver`. For example: ```bash nargo test --oracle-resolver http://localhost:5555 @@ -233,17 +231,21 @@ const client = new JSONRPCClient((jsonRPCRequest) => { // declaring a function that takes the name of the foreign call (getSqrt) and the inputs const foreignCallHandler = async (name, input) => { - // notice that the "inputs" parameter contains *all* the inputs - // in this case we make the RPC request with the first parameter "numbers", which would be input[0] - const oracleReturn = await client.request(name, [ - input[0].map((i) => i.toString("hex")), - ]); - return { values: oracleReturn }; + const inputs = input[0].map((i) => i.toString("hex")) + // notice that the "inputs" parameter contains *all* the inputs + // in this case we to make the RPC request with the first parameter "numbers", which would be input[0] + const oracleReturn = await client.request("resolve_foreign_call", [ + { + function: name, + inputs: [inputs] + }, + ]); + return [oracleReturn.values[0]]; }; // the rest of your NoirJS code const input = { input: [4, 16] }; -const { witness } = await noir.execute(numbers, foreignCallHandler); +const { witness } = await noir.execute(input, foreignCallHandler); ``` :::tip @@ -270,4 +272,4 @@ app.use(cors()) Hopefully by the end of this guide, you should be able to: - Write your own logic around Oracles and how to write a JSON RPC server to make them work with your Nargo commands. -- Provide custom foreign call handlers for NoirJS. +- Provide custom foreign call handlers for NoirJS. \ No newline at end of file diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/explainers/cspell.json b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/explainers/cspell.json new file mode 100644 index 00000000000..c60b0a597b1 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/explainers/cspell.json @@ -0,0 +1,5 @@ +{ + "words": [ + "Cryptdoku" + ] +} diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/explainers/explainer-oracle.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/explainers/explainer-oracle.md new file mode 100644 index 00000000000..821e1f95c04 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/explainers/explainer-oracle.md @@ -0,0 +1,57 @@ +--- +title: Oracles +description: This guide provides an in-depth understanding of how Oracles work in Noir programming. Learn how to use outside calculations in your programs, constrain oracles, and understand their uses and limitations. +keywords: + - Noir Programming + - Oracles + - JSON-RPC + - Foreign Call Handlers + - Constrained Functions + - Blockchain Programming +sidebar_position: 1 +--- + +If you've seen "The Matrix" you may recall "The Oracle" as Gloria Foster smoking cigarettes and baking cookies. While she appears to "know things", she is actually providing a calculation of a pre-determined future. Noir Oracles are similar, in a way. They don't calculate the future (yet), but they allow you to use outside calculations in your programs. + +![matrix oracle prediction](@site/static/img/memes/matrix_oracle.jpeg) + +A Noir program is usually self-contained. You can pass certain inputs to it, and it will generate a deterministic output for those inputs. But what if you wanted to defer some calculation to an outside process or source? + +Oracles are functions that provide this feature. + +## Use cases + +An example usage for Oracles is proving something on-chain. For example, proving that the ETH-USDC quote was below a certain target at a certain block time. Or even making more complex proofs like proving the ownership of an NFT as an anonymous login method. + +Another interesting use case is to defer expensive calculations to be made outside of the Noir program, and then constraining the result; similar to the use of [unconstrained functions](../noir/concepts//unconstrained.md). + +In short, anything that can be constrained in a Noir program but needs to be fetched from an external source is a great candidate to be used in oracles. + +## Constraining oracles + +Just like in The Matrix, Oracles are powerful. But with great power, comes great responsibility. Just because you're using them in a Noir program doesn't mean they're true. Noir has no superpowers. If you want to prove that Portugal won the Euro Cup 2016, you're still relying on potentially untrusted information. + +To give a concrete example, Alice wants to login to the [NounsDAO](https://nouns.wtf/) forum with her username "noir_nouner" by proving she owns a noun without revealing her ethereum address. Her Noir program could have an oracle call like this: + +```rust +#[oracle(getNoun)] +unconstrained fn get_noun(address: Field) -> Field +``` + +This oracle could naively resolve with the number of Nouns she possesses. However, it is useless as a trusted source, as the oracle could resolve to anything Alice wants. In order to make this oracle call actually useful, Alice would need to constrain the response from the oracle, by proving her address and the noun count belongs to the state tree of the contract. + +In short, **Oracles don't prove anything. Your Noir program does.** + +:::danger + +If you don't constrain the return of your oracle, you could be clearly opening an attack vector on your Noir program. Make double-triple sure that the return of an oracle call is constrained! + +::: + +## How to use Oracles + +On CLI, Nargo resolves oracles by making JSON RPC calls, which means it would require an RPC node to be running. + +In JavaScript, NoirJS accepts and resolves arbitrary call handlers (that is, not limited to JSON) as long as they match the expected types the developer defines. Refer to [Foreign Call Handler](../reference/NoirJS/noir_js/type-aliases/ForeignCallHandler.md) to learn more about NoirJS's call handling. + +If you want to build using oracles, follow through to the [oracle guide](../how_to/how-to-oracles.md) for a simple example on how to do that. diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/explainers/explainer-recursion.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/explainers/explainer-recursion.md new file mode 100644 index 00000000000..df8529ef4e0 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/explainers/explainer-recursion.md @@ -0,0 +1,176 @@ +--- +title: Recursive proofs +description: Explore the concept of recursive proofs in Zero-Knowledge programming. Understand how recursion works in Noir, a language for writing smart contracts on the EVM blockchain. Learn through practical examples like Alice and Bob's guessing game, Charlie's recursive merkle tree, and Daniel's reusable components. Discover how to use recursive proofs to optimize computational resources and improve efficiency. + +keywords: + [ + "Recursive Proofs", + "Zero-Knowledge Programming", + "Noir", + "EVM Blockchain", + "Smart Contracts", + "Recursion in Noir", + "Alice and Bob Guessing Game", + "Recursive Merkle Tree", + "Reusable Components", + "Optimizing Computational Resources", + "Improving Efficiency", + "Verification Key", + "Aggregation", + "Recursive zkSNARK schemes", + "PLONK", + "Proving and Verification Keys" + ] +sidebar_position: 1 +pagination_next: how_to/how-to-recursion +--- + +In programming, we tend to think of recursion as something calling itself. A classic example would be the calculation of the factorial of a number: + +```js +function factorial(n) { + if (n === 0 || n === 1) { + return 1; + } else { + return n * factorial(n - 1); + } +} +``` + +In this case, while `n` is not `1`, this function will keep calling itself until it hits the base case, bubbling up the result on the call stack: + +```md + Is `n` 1? <--------- + /\ / + / \ n = n -1 + / \ / + Yes No -------- +``` + +In Zero-Knowledge, recursion has some similarities. + +It is not a Noir function calling itself, but a proof being used as an input to another circuit. In short, you verify one proof *inside* another proof, returning the proof that both proofs are valid. + +This means that, given enough computational resources, you can prove the correctness of any arbitrary number of proofs in a single proof. This could be useful to design state channels (for which a common example would be [Bitcoin's Lightning Network](https://en.wikipedia.org/wiki/Lightning_Network)), to save on gas costs by settling one proof on-chain, or simply to make business logic less dependent on a consensus mechanism. + +## Examples + +Let us look at some of these examples + +### Alice and Bob - Guessing game + +Alice and Bob are friends, and they like guessing games. They want to play a guessing game online, but for that, they need a trusted third-party that knows both of their secrets and finishes the game once someone wins. + +So, they use zero-knowledge proofs. Alice tries to guess Bob's number, and Bob will generate a ZK proof stating whether she succeeded or failed. + +This ZK proof can go on a smart contract, revealing the winner and even giving prizes. However, this means every turn needs to be verified on-chain. This incurs some cost and waiting time that may simply make the game too expensive or time-consuming to be worth it. + +As a solution, Alice proposes the following: "what if Bob generates his proof, and instead of sending it on-chain, I verify it *within* my own proof before playing my own turn?". + +She can then generate a proof that she verified his proof, and so on. + +```md + Did you fail? <-------------------------- + / \ / + / \ n = n -1 + / \ / + Yes No / + | | / + | | / + | You win / + | / + | / +Generate proof of that / + + / + my own guess ---------------- +``` + +### Charlie - Recursive merkle tree + +Charlie is a concerned citizen, and wants to be sure his vote in an election is accounted for. He votes with a ZK proof, but he has no way of knowing that his ZK proof was included in the total vote count! + +If the vote collector puts all of the votes into a [Merkle tree](https://en.wikipedia.org/wiki/Merkle_tree), everyone can prove the verification of two proofs within one proof, as such: + +```md + abcd + __________|______________ + | | + ab cd + _____|_____ ______|______ + | | | | + alice bob charlie daniel +``` + +Doing this recursively allows us to arrive on a final proof `abcd` which if true, verifies the correctness of all the votes. + +### Daniel - Reusable components + +Daniel has a big circuit and a big headache. A part of his circuit is a setup phase that finishes with some assertions that need to be made. But that section alone takes most of the proving time, and is largely independent of the rest of the circuit. + +He might find it more efficient to generate a proof for that setup phase separately, and verify that proof recursively in the actual business logic section of his circuit. This will allow for parallelization of both proofs, which results in a considerable speedup. + +## What params do I need + +As you can see in the [recursion reference](noir/standard_library/recursion.mdx), a simple recursive proof requires: + +- The proof to verify +- The Verification Key of the circuit that generated the proof +- A hash of this verification key, as it's needed for some backends +- The public inputs for the proof + +:::info + +Recursive zkSNARK schemes do not necessarily "verify a proof" in the sense that you expect a true or false to be spit out by the verifier. Rather an aggregation object is built over the public inputs. + +So, taking the example of Alice and Bob and their guessing game: + +- Alice makes her guess. Her proof is *not* recursive: it doesn't verify any proof within it! It's just a standard `assert(x != y)` circuit +- Bob verifies Alice's proof and makes his own guess. In this circuit, he doesn't exactly *prove* the verification of Alice's proof. Instead, he *aggregates* his proof to Alice's proof. The actual verification is done when the full proof is verified, for example when using `nargo verify` or through the verifier smart contract. + +We can imagine recursive proofs a [relay race](https://en.wikipedia.org/wiki/Relay_race). The first runner doesn't have to receive the baton from anyone else, as he/she already starts with it. But when his/her turn is over, the next runner needs to receive it, run a bit more, and pass it along. Even though every runner could theoretically verify the baton mid-run (why not? 🏃🔍), only at the end of the race does the referee verify that the whole race is valid. + +::: + +## Some architecture + +As with everything in computer science, there's no one-size-fits all. But there are some patterns that could help understanding and implementing them. To give three examples: + +### Adding some logic to a proof verification + +This would be an approach for something like our guessing game, where proofs are sent back and forth and are verified by each opponent. This circuit would be divided in two sections: + +- A `recursive verification` section, which would be just the call to `std::verify_proof`, and that would be skipped on the first move (since there's no proof to verify) +- A `guessing` section, which is basically the logic part where the actual guessing happens + +In such a situation, and assuming Alice is first, she would skip the first part and try to guess Bob's number. Bob would then verify her proof on the first section of his run, and try to guess Alice's number on the second part, and so on. + +### Aggregating proofs + +In some one-way interaction situations, recursion would allow for aggregation of simple proofs that don't need to be immediately verified on-chain or elsewhere. + +To give a practical example, a barman wouldn't need to verify a "proof-of-age" on-chain every time he serves alcohol to a customer. Instead, the architecture would comprise two circuits: + +- A `main`, non-recursive circuit with some logic +- A `recursive` circuit meant to verify two proofs in one proof + +The customer's proofs would be intermediate, and made on their phones, and the barman could just verify them locally. He would then aggregate them into a final proof sent on-chain (or elsewhere) at the end of the day. + +### Recursively verifying different circuits + +Nothing prevents you from verifying different circuits in a recursive proof, for example: + +- A `circuit1` circuit +- A `circuit2` circuit +- A `recursive` circuit + +In this example, a regulator could verify that taxes were paid for a specific purchase by aggregating both a `payer` circuit (proving that a purchase was made and taxes were paid), and a `receipt` circuit (proving that the payment was received) + +## How fast is it + +At the time of writing, verifying recursive proofs is surprisingly fast. This is because most of the time is spent on generating the verification key that will be used to generate the next proof. So you are able to cache the verification key and reuse it later. + +Currently, Noir JS packages don't expose the functionality of loading proving and verification keys, but that feature exists in the underlying `bb.js` package. + +## How can I try it + +Learn more about using recursion in Nargo and NoirJS in the [how-to guide](../how_to/how-to-recursion.md) and see a full example in [noir-examples](https://github.com/noir-lang/noir-examples). diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/explainers/explainer-writing-noir.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/explainers/explainer-writing-noir.md new file mode 100644 index 00000000000..3ce4245dc45 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/explainers/explainer-writing-noir.md @@ -0,0 +1,177 @@ +--- +title: Thinking in Circuits +description: Considerations when writing Noir programs +keywords: [Noir, programming, rust] +tags: [Optimization] +sidebar_position: 0 +--- + + +This article intends to set you up with key concepts essential for writing more viable applications that use zero knowledge proofs, namely around efficient circuits. + +## Context - 'Efficient' is subjective + +When writing a web application for a performant computer with high-speed internet connection, writing efficient code sometimes is seen as an afterthought only if needed. Large multiplications running at the innermost of nested loops may not even be on a dev's radar. +When writing firmware for a battery-powered microcontroller, you think of cpu cycles as rations to keep within a product's power budget. + +> Code is written to create applications that perform specific tasks within specific constraints + +And these constraints differ depending on where the compiled code is execute. + +### The Ethereum Virtual Machine (EVM) + +In scenarios where extremely low gas costs are required for an Ethereum application to be viable/competitive, Ethereum smart contract developers get into what is colloquially known as: "*gas golfing*". Finding the lowest execution cost of their compiled code (EVM bytecode) to achieve a specific task. + +The equivalent optimization task when writing zk circuits is affectionately referred to as "*gate golfing*", finding the lowest gate representation of the compiled Noir code. + +### Coding for circuits - a paradigm shift + +In zero knowledge cryptography, code is compiled to "circuits" consisting of arithmetic gates, and gate count is the significant cost. Depending on the proving system this is linearly proportionate to proving time, and so from a product point this should be kept as low as possible. + +Whilst writing efficient code for web apps and Solidity has a few key differences, writing efficient circuits have a different set of considerations. It is a bit of a paradigm shift, like writing code for GPUs for the first time... + +For example, drawing a circle at (0, 0) of radius `r`: +- For a single CPU thread, +``` +for theta in 0..2*pi { + let x = r * cos(theta); + let y = r * sin(theta); + draw(x, y); +} // note: would do 0 - pi/2 and draw +ve/-ve x and y. +``` + +- For GPUs (simultaneous parallel calls with x, y across image), +``` +if (x^2 + y^2 = r^2) { + draw(x, y); +} +``` + +([Related](https://www.youtube.com/watch?v=-P28LKWTzrI)) + +Whilst this CPU -> GPU does not translate to circuits exactly, it is intended to exemplify the difference in intuition when coding for different machine capabilities/constraints. + +### Context Takeaway + +For those coming from a primarily web app background, this article will explain what you need to consider when writing circuits. Furthermore, for those experienced writing efficient machine code, prepare to shift what you think is efficient 😬 + +## Translating from Rust + +For some applications using Noir, existing code might be a convenient starting point to then proceed to optimize the gate count of. + +:::note +Many valuable functions and algorithms have been written in more established languages (C/C++), and converted to modern ones (like Rust). +::: + +Fortunately for Noir developers, when needing a particular function a Rust implementation can be readily compiled into Noir with some key changes. While the compiler does a decent amount of optimizations, it won't be able to change code that has been optimized for clock-cycles into code optimized for arithmetic gates. + +A few things to do when converting Rust code to Noir: +- `println!` is not a macro, use `println` function (same for `assert_eq`) +- No early `return` in function. Use constrain via assertion instead +- No passing by reference. Remove `&` operator to pass by value (copy) +- No boolean operators (`&&`, `||`). Use bitwise operators (`&`, `|`) with boolean values +- No type `usize`. Use types `u8`, `u32`, `u64`, ... +- `main` return must be public, `pub` +- No `const`, use `global` +- Noir's LSP is your friend, so error message should be informative enough to resolve syntax issues. + +## Writing efficient Noir for performant products + +The following points help refine our understanding over time. + +:::note +A Noir program makes a statement that can be verified. +::: + +It compiles to a structure that represents the calculation, and can assert results within the calculation at any stage (via the `constrain` keyword). + +A Noir program compiles to an Abstract Circuit Intermediate Representation which is: + - Conceptually a tree structure + - Leaves (inputs) are the `Field` type + - Nodes contain arithmetic operations to combine them (gates) + - The root is the final result (return value) + +:::tip +The command `nargo info` shows the programs circuit size, and is useful to compare the value of changes made. +You can dig deeper and use the `--print-acir` param to take a closer look at individual ACIR opcodes, and the proving backend to see its gate count (eg for barretenberg, `bb gates -b ./target/program.json`). +::: + +### Use the `Field` type + +Since the native type of values in circuits are `Field`s, using them for variables in Noir means less gates converting them under the hood. +Some things to be mindful of when using a Field type for a regular integer value: +- A variable of type `Field` can be cast `as` an integer type (eg `u8`, `u64`) + - Note: this retains only the bits of the integer type. Eg a Field value of 260 as a `u8` becomes 4 +- For Field types arithmetic operations meaningfully overflow/underflow, yet for integer types they are checked according to their size +- Comparisons and bitwise operations do not exist for `Field`s, cast to an appropriately sized integer type when you need to + +:::tip +Where possible, use `Field` type for values. Using smaller value types, and bit-packing strategies, will result in MORE gates +::: + + +### Use Arithmetic over non-arithmetic operations + +Since circuits are made of arithmetic gates, the cost of arithmetic operations tends to be one gate. Whereas for procedural code, they represent several clock cycles. + +Inversely, non-arithmetic operators are achieved with multiple gates, vs 1 clock cycle for procedural code. + +| (cost\op) | arithmetic
(`*`, `+`) | bit-wise ops
(eg `<`, `\|`, `>>`) | +| - | - | - | +| **cycles** | 10+ | 1 | +| **gates** | 1 | 10+ | + +Bit-wise operations (e.g. bit shifts `<<` and `>>`), albeit commonly used in general programming and especially for clock cycle optimizations, are on the contrary expensive in gates when performed within circuits. + +Translate away from bit shifts when writing constrained functions for the best performance. + +On the flip side, feel free to use bit shifts in unconstrained functions and tests if necessary, as they are executed outside of circuits and does not induce performance hits. + +### Use static over dynamic values + +Another general theme that manifests in different ways is that static reads are represented with less gates than dynamic ones. + +Reading from read-only memory (ROM) adds less gates than random-access memory (RAM), 2 vs ~3.25 due to the additional bounds checks. Arrays of fixed length (albeit used at a lower capacity), will generate less gates than dynamic storage. + +Related to this, if an index used to access an array is not known at compile time (ie unknown until run time), then ROM will be converted to RAM, expanding the gate count. + +:::tip +Use arrays and indices that are known at compile time where possible. +Using `assert_constant(i);` before an index, `i`, is used in an array will give a compile error if `i` is NOT known at compile time. +::: + +### Leverage unconstrained execution + +Constrained verification can leverage unconstrained execution, this is especially useful for operations that are represented by many gates. +Use an [unconstrained function](../noir/concepts/unconstrained.md) to perform gate-heavy calculations, then verify and constrain the result. + +Eg division generates more gates than multiplication, so calculating the quotient in an unconstrained function then constraining the product for the quotient and divisor (+ any remainder) equals the dividend will be more efficient. + +Use ` if is_unconstrained() { /`, to conditionally execute code if being called in an unconstrained vs constrained way. + +## Advanced + +Unless you're well into the depth of gate optimization, this advanced section can be ignored. + +### Combine arithmetic operations + +A Noir program can be honed further by combining arithmetic operators in a way that makes the most of each constraint of the backend proving system. This is in scenarios where the backend might not be doing this perfectly. + +Eg Barretenberg backend (current default for Noir) is a width-4 PLONKish constraint system +$ w_1*w_2*q_m + w_1*q_1 + w_2*q_2 + w_3*q_3 + w_4*q_4 + q_c = 0 $ + +Here we see there is one occurrence of witness 1 and 2 ($w_1$, $w_2$) being multiplied together, with addition to witnesses 1-4 ($w_1$ .. $w_4$) multiplied by 4 corresponding circuit constants ($q_1$ .. $q_4$) (plus a final circuit constant, $q_c$). + +Use `nargo info --print-acir`, to inspect the ACIR opcodes (and the proving system for gates), and it may present opportunities to amend the order of operations and reduce the number of constraints. + +#### Variable as witness vs expression + +If you've come this far and really know what you're doing at the equation level, a temporary lever (that will become unnecessary/useless over time) is: `std::as_witness`. This informs the compiler to save a variable as a witness not an expression. + +The compiler will mostly be correct and optimal, but this may help some near term edge cases that are yet to optimize. +Note: When used incorrectly it will create **less** efficient circuits (higher gate count). + +## References +- Guillaume's ["`Cryptdoku`" talk](https://www.youtube.com/watch?v=MrQyzuogxgg) (Jun'23) +- Tips from Tom, Jake and Zac. +- [Idiomatic Noir](https://www.vlayer.xyz/blog/idiomatic-noir-part-1-collections) blog post diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/getting_started/noir_installation.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/getting_started/noir_installation.md new file mode 100644 index 00000000000..f92fd8dea38 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/getting_started/noir_installation.md @@ -0,0 +1,102 @@ +--- +title: Standalone Noir Installation +description: There are different ways to install Nargo, the one-stop shop and command-line tool for developing Noir programs. This guide explains how to specify which version to install when using noirup, and using WSL for windows. +keywords: [ + Installation + Nargo + Noirup + Binaries + Compiling from Source + WSL for Windows + macOS + Linux + Nix + Direnv + Uninstalling Nargo + ] +sidebar_position: 2 +--- + +Noirup is the endorsed method for installing Nargo, streamlining the process of fetching binaries or compiling from source. It supports a range of options to cater to your specific needs, from nightly builds and specific versions to compiling from various sources. + +### Installing Noirup + +First, ensure you have `noirup` installed: + +```sh +curl -L https://raw.githubusercontent.com/noir-lang/noirup/main/install | bash +``` + +### Fetching Binaries + +With `noirup`, you can easily switch between different Nargo versions, including nightly builds: + +- **Nightly Version**: Install the latest nightly build. + + ```sh + noirup --version nightly + ``` + +- **Specific Version**: Install a specific version of Nargo. + + ```sh + noirup --version + ``` + +### Compiling from Source + +`noirup` also enables compiling Nargo from various sources: + +- **From a Specific Branch**: Install from the latest commit on a branch. + + ```sh + noirup --branch + ``` + +- **From a Fork**: Install from the main branch of a fork. + + ```sh + noirup --repo + ``` + +- **From a Specific Branch in a Fork**: Install from a specific branch in a fork. + + ```sh + noirup --repo --branch + ``` + +- **From a Specific Pull Request**: Install from a specific PR. + + ```sh + noirup --pr + ``` + +- **From a Specific Commit**: Install from a specific commit. + + ```sh + noirup -C + ``` + +- **From Local Source**: Compile and install from a local directory. + + ```sh + noirup --path ./path/to/local/source + ``` + +## Installation on Windows + +The default backend for Noir (Barretenberg) doesn't provide Windows binaries at this time. For that reason, Noir cannot be installed natively. However, it is available by using Windows Subsystem for Linux (WSL). + +Step 1: Follow the instructions [here](https://learn.microsoft.com/en-us/windows/wsl/install) to install and run WSL. + +step 2: Follow the [Noirup instructions](#installing-noirup). + +## Uninstalling Nargo + +If you installed Nargo with `noirup`, you can uninstall Nargo by removing the files in `~/.nargo`, `~/nargo`, and `~/noir_cache`. This ensures that all installed binaries, configurations, and cache related to Nargo are fully removed from your system. + +```bash +rm -r ~/.nargo +rm -r ~/nargo +rm -r ~/noir_cache +``` diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/getting_started/project_breakdown.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/getting_started/project_breakdown.md new file mode 100644 index 00000000000..e442e377040 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/getting_started/project_breakdown.md @@ -0,0 +1,159 @@ +--- +title: Project Breakdown +description: + Learn about the anatomy of a Nargo project, including the purpose of the Prover TOML + file, and how to prove and verify your program. +keywords: + [Nargo, Nargo project, Prover.toml, proof verification, private asset transfer] +sidebar_position: 1 +--- + +This section breaks down our hello world program from the previous section. + +## Anatomy of a Nargo Project + +Upon creating a new project with `nargo new` and building the in/output files with `nargo check` +commands, you would get a minimal Nargo project of the following structure: + + - src + - Prover.toml + - Nargo.toml + +The source directory _src_ holds the source code for your Noir program. By default only a _main.nr_ +file will be generated within it. + +### Prover.toml + +_Prover.toml_ is used for specifying the input values for executing and proving the program. You can specify `toml` files with different names by using the `--prover-name` or `-p` flags, see the [Prover](#provertoml) section below. Optionally you may specify expected output values for prove-time checking as well. + +### Nargo.toml + +_Nargo.toml_ contains the environmental options of your project. It contains a "package" section and a "dependencies" section. + +Example Nargo.toml: + +```toml +[package] +name = "noir_starter" +type = "bin" +authors = ["Alice"] +compiler_version = "0.9.0" +description = "Getting started with Noir" +entry = "circuit/main.nr" +license = "MIT" + +[dependencies] +ecrecover = {tag = "v0.9.0", git = "https://github.com/colinnielsen/ecrecover-noir.git"} +``` + +Nargo.toml for a [workspace](../noir/modules_packages_crates/workspaces.md) will look a bit different. For example: + +```toml +[workspace] +members = ["crates/a", "crates/b"] +default-member = "crates/a" +``` + +#### Package section + +The package section defines a number of fields including: + +- `name` (**required**) - the name of the package +- `type` (**required**) - can be "bin", "lib", or "contract" to specify whether its a binary, library or Aztec contract +- `authors` (optional) - authors of the project +- `compiler_version` - specifies the version of the compiler to use. This is enforced by the compiler and follow's [Rust's versioning](https://doc.rust-lang.org/cargo/reference/manifest.html#the-version-field), so a `compiler_version = 0.18.0` will enforce Nargo version 0.18.0, `compiler_version = ^0.18.0` will enforce anything above 0.18.0 but below 0.19.0, etc. For more information, see how [Rust handles these operators](https://docs.rs/semver/latest/semver/enum.Op.html) +- `description` (optional) +- `entry` (optional) - a relative filepath to use as the entry point into your package (overrides the default of `src/lib.nr` or `src/main.nr`) +- `backend` (optional) +- `license` (optional) +- `expression_width` (optional) - Sets the default backend expression width. This field will override the default backend expression width specified by the Noir compiler (currently set to width 4). + +#### Dependencies section + +This is where you will specify any dependencies for your project. See the [Dependencies page](../noir/modules_packages_crates/dependencies.md) for more info. + +`./proofs/` and `./contract/` directories will not be immediately visible until you create a proof or +verifier contract respectively. + +### main.nr + +The _main.nr_ file contains a `main` method, this method is the entry point into your Noir program. + +In our sample program, _main.nr_ looks like this: + +```rust +fn main(x : Field, y : Field) { + assert(x != y); +} +``` + +The parameters `x` and `y` can be seen as the API for the program and must be supplied by the prover. Since neither `x` nor `y` is marked as public, the verifier does not supply any inputs, when verifying the proof. + +The prover supplies the values for `x` and `y` in the _Prover.toml_ file. + +As for the program body, `assert` ensures that the condition to be satisfied (e.g. `x != y`) is constrained by the proof of the execution of said program (i.e. if the condition was not met, the verifier would reject the proof as an invalid proof). + +### Prover.toml + +The _Prover.toml_ file is a file which the prover uses to supply the inputs to the Noir program (both private and public). + +In our hello world program the _Prover.toml_ file looks like this: + +```toml +x = "1" +y = "2" +``` + +When the command `nargo execute` is executed, nargo will execute the Noir program using the inputs specified in `Prover.toml`, aborting if it finds that these do not satisfy the constraints defined by `main`. In this example, `x` and `y` must satisfy the inequality constraint `assert(x != y)`. + +If an output name is specified such as `nargo execute foo`, the witness generated by this execution will be written to `./target/foo.gz`. This can then be used to generate a proof of the execution. + +#### Arrays of Structs + +The following code shows how to pass an array of structs to a Noir program to generate a proof. + +```rust +// main.nr +struct Foo { + bar: Field, + baz: Field, +} + +fn main(foos: [Foo; 3]) -> pub Field { + foos[2].bar + foos[2].baz +} +``` + +Prover.toml: + +```toml +[[foos]] # foos[0] +bar = 0 +baz = 0 + +[[foos]] # foos[1] +bar = 0 +baz = 0 + +[[foos]] # foos[2] +bar = 1 +baz = 2 +``` + +#### Custom toml files + +You can specify a `toml` file with a different name to use for execution by using the `--prover-name` or `-p` flags. + +This command looks for proof inputs in the default **Prover.toml** and generates the witness and saves it at `./target/foo.gz`: + +```bash +nargo execute foo +``` + +This command looks for proof inputs in the custom **OtherProver.toml** and generates the witness and saves it at `./target/bar.gz`: + +```bash +nargo execute -p OtherProver bar +``` + +Now that you understand the concepts, you'll probably want some editor feedback while you are writing more complex code. diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/getting_started/quick_start.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/getting_started/quick_start.md new file mode 100644 index 00000000000..4ce48409818 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/getting_started/quick_start.md @@ -0,0 +1,124 @@ +--- +title: Quick Start +tags: [] +sidebar_position: 0 +--- + +## Installation + +### Noir + +The easiest way to develop with Noir is using Nargo the CLI tool. It provides you the ability to start new projects, compile, execute and test Noir programs from the terminal. + +You can use `noirup` the installation script to quickly install and update Nargo: + +```bash +curl -L noirup.dev | bash +noirup +``` + +### Proving backend + +After installing Noir, we install a proving backend to work with our Noir programs. + +Proving backends provide you the abilities to generate proofs, verify proofs, generate smart contracts and more for your Noir programs. + +Different proving backends provide different tools for working with Noir programs, here we will use the [Barretenberg proving backend](https://github.com/AztecProtocol/aztec-packages/tree/master/barretenberg) developed by Aztec Labs as an example. + +You can use the `bbup` installation script to quickly install and update BB, Barretenberg's CLI tool: + +You can find the full list of proving backends compatible with Noir in Awesome Noir. + +```bash +curl -L bbup.dev | bash +bbup +``` + +For the full list of proving backends compatible with Noir, visit [Awesome Noir](https://github.com/noir-lang/awesome-noir/?tab=readme-ov-file#proving-backends). + +## Nargo + +Nargo provides the ability to initiate and execute Noir projects. Let's initialize the traditional `hello_world`: + +```sh +nargo new hello_world +``` + +Two files will be created. + +- `src/main.nr` contains a simple boilerplate circuit +- `Nargo.toml` contains environmental options, such as name, author, dependencies, and others. + +Glancing at _main.nr_ , we can see that inputs in Noir are private by default, but can be labeled public using the keyword `pub`. This means that we will _assert_ that we know a value `x` which is different from `y` without revealing `x`: + +```rust +fn main(x : Field, y : pub Field) { + assert(x != y); +} +``` + +To learn more about private and public values, check the [Data Types](../noir/concepts/data_types/index.md) section. + +### Compiling and executing + +We can now use `nargo` to generate a _Prover.toml_ file, where our input values will be specified: + +```sh +cd hello_world +nargo check + +Let's feed some valid values into this file: + +```toml +x = "1" +y = "2" +``` + +We're now ready to compile and execute our Noir program. By default the `nargo execute` command will do both, and generate the `witness` that we need to feed to our proving backend: + +```sh +nargo execute +``` + +The witness corresponding to this execution will then be written to the file _./target/witness-name.gz_. + +The command also automatically compiles your Noir program if it was not already / was edited, which you may notice the compiled artifacts being written to the file _./target/hello_world.json_. + +With circuit compiled and witness generated, we're ready to prove. + +## Proving backend + +Different proving backends may provide different tools and commands to work with Noir programs. Here Barretenberg's `bb` CLI tool is used as an example: + +```sh +bb prove -b ./target/hello_world.json -w ./target/hello_world.gz -o ./target/proof +``` + +:::tip + +Naming can be confusing, specially as you pass them to the `bb` commands. If unsure, it won't hurt to delete the target folder and start anew to make sure you're using the most recent versions of the compiled circuit and witness. + +::: + +The proof is now generated in the `target` folder. To verify it we first need to compute the verification key from the compiled circuit, and use it to verify: + +```sh +bb write_vk -b ./target/hello_world.json -o ./target/vk +bb verify -k ./target/vk -p ./target/proof +``` + +:::info + +Notice that in order to verify a proof, the verifier knows nothing but the circuit, which is compiled and used to generate the verification key. This is obviously quite important: private inputs remain private. + +As for the public inputs, you may have noticed they haven't been specified. This behavior varies with each particular backend, but barretenberg typically attaches them to the proof. You can see them by parsing and splitting it. For example for if your public inputs are 32 bytes: + +```bash +head -c 32 ./target/proof | od -An -v -t x1 | tr -d $' \n' +``` + +::: + +Congratulations, you have now created and verified a proof for your very first Noir program! + +In the [next section](./project_breakdown.md), we will go into more detail on each step performed. diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/how_to/_category_.json b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/how_to/_category_.json new file mode 100644 index 00000000000..23b560f610b --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/how_to/_category_.json @@ -0,0 +1,5 @@ +{ + "position": 1, + "collapsible": true, + "collapsed": true +} diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/how_to/debugger/_category_.json b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/how_to/debugger/_category_.json new file mode 100644 index 00000000000..cc2cbb1c253 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/how_to/debugger/_category_.json @@ -0,0 +1,6 @@ +{ + "label": "Debugging", + "position": 5, + "collapsible": true, + "collapsed": true +} diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/how_to/debugger/debugging_with_the_repl.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/how_to/debugger/debugging_with_the_repl.md new file mode 100644 index 00000000000..09e5bae68ad --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/how_to/debugger/debugging_with_the_repl.md @@ -0,0 +1,164 @@ +--- +title: Using the REPL Debugger +description: + Step by step guide on how to debug your Noir circuits with the REPL Debugger. +keywords: + [ + Nargo, + Noir CLI, + Noir Debugger, + REPL, + ] +sidebar_position: 1 +--- + +#### Pre-requisites + +In order to use the REPL debugger, first you need to install recent enough versions of Nargo and vscode-noir. + +## Debugging a simple circuit + +Let's debug a simple circuit: + +```rust +fn main(x : Field, y : pub Field) { + assert(x != y); +} +``` + +To start the REPL debugger, using a terminal, go to a Noir circuit's home directory. Then: + +`$ nargo debug` + +You should be seeing this in your terminal: + +``` +[main] Starting debugger +At ~/noir-examples/recursion/circuits/main/src/main.nr:1:9 + 1 -> fn main(x : Field, y : pub Field) { + 2 assert(x != y); + 3 } +> +``` + +The debugger displays the current Noir code location, and it is now waiting for us to drive it. + +Let's first take a look at the available commands. For that we'll use the `help` command. + +``` +> help +Available commands: + + opcodes display ACIR opcodes + into step into to the next opcode + next step until a new source location is reached + out step until a new source location is reached + and the current stack frame is finished + break LOCATION:OpcodeLocation add a breakpoint at an opcode location + over step until a new source location is reached + without diving into function calls + restart restart the debugging session + delete LOCATION:OpcodeLocation delete breakpoint at an opcode location + witness show witness map + witness index:u32 display a single witness from the witness map + witness index:u32 value:String update a witness with the given value + memset index:usize value:String update a memory cell with the given + value + continue continue execution until the end of the + program + vars show variable values available at this point + in execution + stacktrace display the current stack trace + memory show memory (valid when executing unconstrained code) + step step to the next ACIR opcode + +Other commands: + + help Show this help message + quit Quit repl + +``` + +Some commands operate only for unconstrained functions, such as `memory` and `memset`. If you try to use them while execution is paused at an ACIR opcode, the debugger will simply inform you that you are not executing unconstrained code: + +``` +> memory +Unconstrained VM memory not available +> +``` + +Before continuing, we can take a look at the initial witness map: + +``` +> witness +_0 = 1 +_1 = 2 +> +``` + +Cool, since `x==1`, `y==2`, and we want to check that `x != y`, our circuit should succeed. At this point we could intervene and use the witness setter command to change one of the witnesses. Let's set `y=3`, then back to 2, so we don't affect the expected result: + +``` +> witness +_0 = 1 +_1 = 2 +> witness 1 3 +_1 = 3 +> witness +_0 = 1 +_1 = 3 +> witness 1 2 +_1 = 2 +> witness +_0 = 1 +_1 = 2 +> +``` + +Now we can inspect the current state of local variables. For that we use the `vars` command. + +``` +> vars +> +``` + +We currently have no vars in context, since we are at the entry point of the program. Let's use `next` to execute until the next point in the program. + +``` +> vars +> next +At ~/noir-examples/recursion/circuits/main/src/main.nr:1:20 + 1 -> fn main(x : Field, y : pub Field) { + 2 assert(x != y); + 3 } +> vars +x:Field = 0x01 +``` + +As a result of stepping, the variable `x`, whose initial value comes from the witness map, is now in context and returned by `vars`. + +``` +> next + 1 fn main(x : Field, y : pub Field) { + 2 -> assert(x != y); + 3 } +> vars +y:Field = 0x02 +x:Field = 0x01 +``` + +Stepping again we can finally see both variables and their values. And now we can see that the next assertion should succeed. + +Let's continue to the end: + +``` +> continue +(Continuing execution...) +Finished execution +> q +[main] Circuit witness successfully solved +``` + +Upon quitting the debugger after a solved circuit, the resulting circuit witness gets saved, equivalent to what would happen if we had run the same circuit with `nargo execute`. + +We just went through the basics of debugging using Noir REPL debugger. For a comprehensive reference, check out [the reference page](../../reference/debugger/debugger_repl.md). diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/how_to/debugger/debugging_with_vs_code.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/how_to/debugger/debugging_with_vs_code.md new file mode 100644 index 00000000000..a5858c1a5eb --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/how_to/debugger/debugging_with_vs_code.md @@ -0,0 +1,68 @@ +--- +title: Using the VS Code Debugger +description: + Step by step guide on how to debug your Noir circuits with the VS Code Debugger configuration and features. +keywords: + [ + Nargo, + Noir CLI, + Noir Debugger, + VS Code, + IDE, + ] +sidebar_position: 0 +--- + +This guide will show you how to use VS Code with the vscode-noir extension to debug a Noir project. + +#### Pre-requisites + +- Nargo +- vscode-noir +- A Noir project with a `Nargo.toml`, `Prover.toml` and at least one Noir (`.nr`) containing an entry point function (typically `main`). + +## Running the debugger + +The easiest way to start debugging is to open the file you want to debug, and press `F5`. This will cause the debugger to launch, using your `Prover.toml` file as input. + +You should see something like this: + +![Debugger launched](@site/static/img/debugger/1-started.png) + +Let's inspect the state of the program. For that, we open VS Code's _Debug pane_. Look for this icon: + +![Debug pane icon](@site/static/img/debugger/2-icon.png) + +You will now see two categories of variables: Locals and Witness Map. + +![Debug pane expanded](@site/static/img/debugger/3-debug-pane.png) + +1. **Locals**: variables of your program. At this point in execution this section is empty, but as we step through the code it will get populated by `x`, `result`, `digest`, etc. + +2. **Witness map**: these are initially populated from your project's `Prover.toml` file. In this example, they will be used to populate `x` and `result` at the beginning of the `main` function. + +Most of the time you will probably be focusing mostly on locals, as they represent the high level state of your program. + +You might be interested in inspecting the witness map in case you are trying to solve a really low level issue in the compiler or runtime itself, so this concerns mostly advanced or niche users. + +Let's step through the program, by using the debugger buttons or their corresponding keyboard shortcuts. + +![Debugger buttons](@site/static/img/debugger/4-debugger-buttons.png) + +Now we can see in the variables pane that there's values for `digest`, `result` and `x`. + +![Inspecting locals](@site/static/img/debugger/5-assert.png) + +We can also inspect the values of variables by directly hovering on them on the code. + +![Hover locals](@site/static/img/debugger/6-hover.png) + +Let's set a break point at the `keccak256` function, so we can continue execution up to the point when it's first invoked without having to go one step at a time. + +We just need to click the to the right of the line number 18. Once the breakpoint appears, we can click the `continue` button or use its corresponding keyboard shortcut (`F5` by default). + +![Breakpoint](@site/static/img/debugger/7-break.png) + +Now we are debugging the `keccak256` function, notice the _Call Stack pane_ at the lower right. This lets us inspect the current call stack of our process. + +That covers most of the current debugger functionalities. Check out [the reference](../../reference/debugger/debugger_vscode.md) for more details on how to configure the debugger. \ No newline at end of file diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/how_to/how-to-oracles.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/how_to/how-to-oracles.md new file mode 100644 index 00000000000..08ce6ee5476 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/how_to/how-to-oracles.md @@ -0,0 +1,275 @@ +--- +title: How to use Oracles +description: Learn how to use oracles in your Noir program with examples in both Nargo and NoirJS. This guide also covers writing a JSON RPC server and providing custom foreign call handlers for NoirJS. +keywords: + - Noir Programming + - Oracles + - Nargo + - NoirJS + - JSON RPC Server + - Foreign Call Handlers +sidebar_position: 1 +--- + +This guide shows you how to use oracles in your Noir program. For the sake of clarity, it assumes that: + +- You have read the [explainer on Oracles](../explainers/explainer-oracle.md) and are comfortable with the concept. +- You have a Noir program to add oracles to. You can create one using the [vite-hardhat starter](https://github.com/noir-lang/noir-starter/tree/main/vite-hardhat) as a boilerplate. +- You understand the concept of a JSON-RPC server. Visit the [JSON-RPC website](https://www.jsonrpc.org/) if you need a refresher. +- You are comfortable with server-side JavaScript (e.g. Node.js, managing packages, etc.). + +## Rundown + +This guide has 3 major steps: + +1. How to modify our Noir program to make use of oracle calls as unconstrained functions +2. How to write a JSON RPC Server to resolve these oracle calls with Nargo +3. How to use them in Nargo and how to provide a custom resolver in NoirJS + +## Step 1 - Modify your Noir program + +An oracle is defined in a Noir program by defining two methods: + +- An unconstrained method - This tells the compiler that it is executing an [unconstrained functions](../noir/concepts//unconstrained.md). +- A decorated oracle method - This tells the compiler that this method is an RPC call. + +An example of an oracle that returns a `Field` would be: + +```rust +#[oracle(getSqrt)] +unconstrained fn sqrt(number: Field) -> Field { } + +unconstrained fn get_sqrt(number: Field) -> Field { + sqrt(number) +} +``` + +In this example, we're wrapping our oracle function in an unconstrained method, and decorating it with `oracle(getSqrt)`. We can then call the unconstrained function as we would call any other function: + +```rust +fn main(input: Field) { + let sqrt = get_sqrt(input); +} +``` + +In the next section, we will make this `getSqrt` (defined on the `sqrt` decorator) be a method of the RPC server Noir will use. + +:::danger + +As explained in the [Oracle Explainer](../explainers/explainer-oracle.md), this `main` function is unsafe unless you constrain its return value. For example: + +```rust +fn main(input: Field) { + let sqrt = get_sqrt(input); + assert(sqrt.pow_32(2) as u64 == input as u64); // <---- constrain the return of an oracle! +} +``` + +::: + +:::info + +Currently, oracles only work with single params or array params. For example: + +```rust +#[oracle(getSqrt)] +unconstrained fn sqrt([Field; 2]) -> [Field; 2] { } +``` + +::: + +## Step 2 - Write an RPC server + +Brillig will call *one* RPC server. Most likely you will have to write your own, and you can do it in whatever language you prefer. In this guide, we will do it in Javascript. + +Let's use the above example of an oracle that consumes an array with two `Field` and returns their square roots: + +```rust +#[oracle(getSqrt)] +unconstrained fn sqrt(input: [Field; 2]) -> [Field; 2] { } + +unconstrained fn get_sqrt(input: [Field; 2]) -> [Field; 2] { + sqrt(input) +} + +fn main(input: [Field; 2]) { + let sqrt = get_sqrt(input); + assert(sqrt[0].pow_32(2) as u64 == input[0] as u64); + assert(sqrt[1].pow_32(2) as u64 == input[1] as u64); +} + +#[test] +fn test() { + let input = [4, 16]; + main(input); +} +``` + +:::info + +Why square root? + +In general, computing square roots is computationally more expensive than multiplications, which takes a toll when speaking about ZK applications. In this case, instead of calculating the square root in Noir, we are using our oracle to offload that computation to be made in plain. In our circuit we can simply multiply the two values. + +::: + +Now, we should write the correspondent RPC server, starting with the [default JSON-RPC 2.0 boilerplate](https://www.npmjs.com/package/json-rpc-2.0#example): + +```js +import { JSONRPCServer } from "json-rpc-2.0"; +import express from "express"; +import bodyParser from "body-parser"; + +const app = express(); +app.use(bodyParser.json()); + +const server = new JSONRPCServer(); +app.post("/", (req, res) => { + const jsonRPCRequest = req.body; + server.receive(jsonRPCRequest).then((jsonRPCResponse) => { + if (jsonRPCResponse) { + res.json(jsonRPCResponse); + } else { + res.sendStatus(204); + } + }); +}); + +app.listen(5555); +``` + +Now, we will add our `getSqrt` method, as expected by the `#[oracle(getSqrt)]` decorator in our Noir code. It maps through the params array and returns their square roots: + +```js +server.addMethod("resolve_foreign_call", async (params) => { + if (params[0].function !== "getSqrt") { + throw Error("Unexpected foreign call") + }; + const values = params[0].inputs[0].map((field) => { + return `${Math.sqrt(parseInt(field, 16))}`; + }); + return { values: [values] }; +}); +``` + +If you're using Typescript, the following types may be helpful in understanding the expected return value and making sure they're easy to follow: + +```js +export type ForeignCallSingle = string; + +export type ForeignCallArray = string[]; + +export type ForeignCallResult = { + values: (ForeignCallSingle | ForeignCallArray)[]; +}; +``` + +:::info Multidimensional Arrays + +If the Oracle function is returning an array containing other arrays, such as `[['1','2],['3','4']]`, you need to provide the values in JSON as flattened values. In the previous example, it would be `['1', '2', '3', '4']`. In the Noir program, the Oracle signature can use a nested type, the flattened values will be automatically converted to the nested type. + +::: + +## Step 3 - Usage with Nargo + +Using the [`nargo` CLI tool](../reference/nargo_commands.md), you can use oracles in the `nargo test` and `nargo execute` commands by passing a value to `--oracle-resolver`. For example: + +```bash +nargo test --oracle-resolver http://localhost:5555 +``` + +This tells `nargo` to use your RPC Server URL whenever it finds an oracle decorator. + +## Step 4 - Usage with NoirJS + +In a JS environment, an RPC server is not strictly necessary, as you may want to resolve your oracles without needing any JSON call at all. NoirJS simply expects that you pass a callback function when you generate proofs, and that callback function can be anything. + +For example, if your Noir program expects the host machine to provide CPU pseudo-randomness, you could simply pass it as the `foreignCallHandler`. You don't strictly need to create an RPC server to serve pseudo-randomness, as you may as well get it directly in your app: + +```js +const foreignCallHandler = (name, inputs) => crypto.randomBytes(16) // etc + +await noir.execute(inputs, foreignCallHandler) +``` + +As one can see, in NoirJS, the [`foreignCallHandler`](../reference/NoirJS/noir_js/type-aliases/ForeignCallHandler.md) function simply means "a callback function that returns a value of type [`ForeignCallOutput`](../reference/NoirJS/noir_js/type-aliases/ForeignCallOutput.md). It doesn't have to be an RPC call like in the case for Nargo. + +:::tip + +Does this mean you don't have to write an RPC server like in [Step #2](#step-2---write-an-rpc-server)? + +You don't technically have to, but then how would you run `nargo test`? To use both `Nargo` and `NoirJS` in your development flow, you will have to write a JSON RPC server. + +::: + +In this case, let's make `foreignCallHandler` call the JSON RPC Server we created in [Step #2](#step-2---write-an-rpc-server), by making it a JSON RPC Client. + +For example, using the same `getSqrt` program in [Step #1](#step-1---modify-your-noir-program) (comments in the code): + +```js +import { JSONRPCClient } from "json-rpc-2.0"; + +// declaring the JSONRPCClient +const client = new JSONRPCClient((jsonRPCRequest) => { +// hitting the same JSON RPC Server we coded above + return fetch("http://localhost:5555", { + method: "POST", + headers: { + "content-type": "application/json", + }, + body: JSON.stringify(jsonRPCRequest), + }).then((response) => { + if (response.status === 200) { + return response + .json() + .then((jsonRPCResponse) => client.receive(jsonRPCResponse)); + } else if (jsonRPCRequest.id !== undefined) { + return Promise.reject(new Error(response.statusText)); + } + }); +}); + +// declaring a function that takes the name of the foreign call (getSqrt) and the inputs +const foreignCallHandler = async (name, input) => { + const inputs = input[0].map((i) => i.toString("hex")) + // notice that the "inputs" parameter contains *all* the inputs + // in this case we to make the RPC request with the first parameter "numbers", which would be input[0] + const oracleReturn = await client.request("resolve_foreign_call", [ + { + function: name, + inputs: [inputs] + }, + ]); + return [oracleReturn.values[0]]; +}; + +// the rest of your NoirJS code +const input = { input: [4, 16] }; +const { witness } = await noir.execute(input, foreignCallHandler); +``` + +:::tip + +If you're in a NoirJS environment running your RPC server together with a frontend app, you'll probably hit a familiar problem in full-stack development: requests being blocked by [CORS](https://developer.mozilla.org/en-US/docs/Web/HTTP/CORS) policy. For development only, you can simply install and use the [`cors` npm package](https://www.npmjs.com/package/cors) to get around the problem: + +```bash +yarn add cors +``` + +and use it as a middleware: + +```js +import cors from "cors"; + +const app = express(); +app.use(cors()) +``` + +::: + +## Conclusion + +Hopefully by the end of this guide, you should be able to: + +- Write your own logic around Oracles and how to write a JSON RPC server to make them work with your Nargo commands. +- Provide custom foreign call handlers for NoirJS. \ No newline at end of file diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/how_to/how-to-recursion.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/how_to/how-to-recursion.md new file mode 100644 index 00000000000..fac79a9cf49 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/how_to/how-to-recursion.md @@ -0,0 +1,172 @@ +--- +title: How to use recursion on NoirJS +description: Learn how to implement recursion with NoirJS, a powerful tool for creating smart contracts on the EVM blockchain. This guide assumes familiarity with NoirJS, solidity verifiers, and the Barretenberg proving backend. Discover how to generate both final and intermediate proofs using `noir_js` and `bb.js`. +keywords: + [ + "NoirJS", + "EVM blockchain", + "smart contracts", + "recursion", + "solidity verifiers", + "Barretenberg backend", + "noir_js", + "intermediate proofs", + "final proofs", + "nargo compile", + "json import", + "recursive circuit", + "recursive app" + ] +sidebar_position: 1 +--- + +This guide shows you how to use recursive proofs in your NoirJS app. For the sake of clarity, it is assumed that: + +- You already have a NoirJS app. If you don't, please visit the [NoirJS tutorial](../tutorials/noirjs_app.md) and the [reference](../reference/NoirJS/noir_js/index.md). +- You are familiar with what are recursive proofs and you have read the [recursion explainer](../explainers/explainer-recursion.md) +- You already built a recursive circuit following [the reference](../noir/standard_library/recursion.mdx), and understand how it works. + +It is also assumed that you're not using `noir_wasm` for compilation, and instead you've used [`nargo compile`](../reference/nargo_commands.md) to generate the `json` you're now importing into your project. However, the guide should work just the same if you're using `noir_wasm`. + +:::info + +As you've read in the [explainer](../explainers/explainer-recursion.md), a recursive proof is an intermediate proof. This means that it doesn't necessarily generate the final step that makes it verifiable in a smart contract. However, it is easy to verify within another circuit. + +::: + +In a standard recursive app, you're also dealing with at least two circuits. For the purpose of this guide, we will assume the following: + +- `main`: a circuit of type `assert(x != y)`, where `main` is marked with a `#[recursive]` attribute. This attribute states that the backend should generate proofs that are friendly for verification within another circuit. +- `recursive`: a circuit that verifies `main` + +For a full example of how recursive proofs work, please refer to the [noir-examples](https://github.com/noir-lang/noir-examples) repository. We will *not* be using it as a reference for this guide. + +## Step 1: Setup + +In a common NoirJS app, you need to instantiate a backend with something like `const backend = new Backend(circuit)`. Then you feed it to the `noir_js` interface. + +For recursion, this doesn't happen, and the only need for `noir_js` is only to `execute` a circuit and get its witness and return value. Everything else is not interfaced, so it needs to happen on the `backend` object. + +It is also recommended that you instantiate the backend with as many threads as possible, to allow for maximum concurrency: + +```js +const backend = new Backend(circuit, { threads: 8 }) +``` + +:::tip +You can use the [`os.cpus()`](https://nodejs.org/api/os.html#oscpus) object in `nodejs` or [`navigator.hardwareConcurrency`](https://developer.mozilla.org/en-US/docs/Web/API/Navigator/hardwareConcurrency) on the browser to make the most out of those glorious cpu cores +::: + +## Step 2: Generating the witness and the proof for `main` + +After instantiating the backend, you should also instantiate `noir_js`. We will use it to execute the circuit and get the witness. + +```js +const noir = new Noir(circuit) +const { witness } = noir.execute(input) +``` + +With this witness, you are now able to generate the intermediate proof for the main circuit: + +```js +const { proof, publicInputs } = await backend.generateProof(witness) +``` + +:::warning + +Always keep in mind what is actually happening on your development process, otherwise you'll quickly become confused about what circuit we are actually running and why! + +In this case, you can imagine that Alice (running the `main` circuit) is proving something to Bob (running the `recursive` circuit), and Bob is verifying her proof within his proof. + +With this in mind, it becomes clear that our intermediate proof is the one *meant to be verified within another circuit*, so it must be Alice's. Actually, the only final proof in this theoretical scenario would be the last one, sent on-chain. + +::: + +## Step 3 - Verification and proof artifacts + +Optionally, you are able to verify the intermediate proof: + +```js +const verified = await backend.verifyProof({ proof, publicInputs }) +``` + +This can be useful to make sure our intermediate proof was correctly generated. But the real goal is to do it within another circuit. For that, we need to generate recursive proof artifacts that will be passed to the circuit that is verifying the proof we just generated. Instead of passing the proof and verification key as a byte array, we pass them as fields which makes it cheaper to verify in a circuit: + +```js +const { proofAsFields, vkAsFields, vkHash } = await backend.generateRecursiveProofArtifacts( { publicInputs, proof }, publicInputsCount) +``` + +This call takes the public inputs and the proof, but also the public inputs count. While this is easily retrievable by simply counting the `publicInputs` length, the backend interface doesn't currently abstract it away. + +:::info + +The `proofAsFields` has a constant size `[Field; 93]` and verification keys in Barretenberg are always `[Field; 114]`. + +::: + +:::warning + +One common mistake is to forget *who* makes this call. + +In a situation where Alice is generating the `main` proof, if she generates the proof artifacts and sends them to Bob, which gladly takes them as true, this would mean Alice could prove anything! + +Instead, Bob needs to make sure *he* extracts the proof artifacts, using his own instance of the `main` circuit backend. This way, Alice has to provide a valid proof for the correct `main` circuit. + +::: + +## Step 4 - Recursive proof generation + +With the artifacts, generating a recursive proof is no different from a normal proof. You simply use the `backend` (with the recursive circuit) to generate it: + +```js +const recursiveInputs = { + verification_key: vkAsFields, // array of length 114 + proof: proofAsFields, // array of length 93 + size of public inputs + publicInputs: [mainInput.y], // using the example above, where `y` is the only public input + key_hash: vkHash, +} + +const { witness, returnValue } = noir.execute(recursiveInputs) // we're executing the recursive circuit now! +const { proof, publicInputs } = backend.generateProof(witness) +const verified = backend.verifyProof({ proof, publicInputs }) +``` + +You can obviously chain this proof into another proof. In fact, if you're using recursive proofs, you're probably interested of using them this way! + +:::tip + +Managing circuits and "who does what" can be confusing. To make sure your naming is consistent, you can keep them in an object. For example: + +```js +const circuits = { + main: mainJSON, + recursive: recursiveJSON +} +const backends = { + main: new BarretenbergBackend(circuits.main), + recursive: new BarretenbergBackend(circuits.recursive) +} +const noir_programs = { + main: new Noir(circuits.main), + recursive: new Noir(circuits.recursive) +} +``` + +This allows you to neatly call exactly the method you want without conflicting names: + +```js +// Alice runs this 👇 +const { witness: mainWitness } = await noir_programs.main.execute(input) +const proof = await backends.main.generateProof(mainWitness) + +// Bob runs this 👇 +const verified = await backends.main.verifyProof(proof) +const { proofAsFields, vkAsFields, vkHash } = await backends.main.generateRecursiveProofArtifacts( + proof, + numPublicInputs, +); +const { witness: recursiveWitness } = await noir_programs.recursive.execute(recursiveInputs) +const recursiveProof = await backends.recursive.generateProof(recursiveWitness); +``` + +::: diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/how_to/how-to-solidity-verifier.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/how_to/how-to-solidity-verifier.md new file mode 100644 index 00000000000..2cc0f8e57ce --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/how_to/how-to-solidity-verifier.md @@ -0,0 +1,259 @@ +--- +title: Generate a Solidity Verifier +description: + Learn how to run the verifier as a smart contract on the blockchain. Compile a Solidity verifier + contract for your Noir program and deploy it on any EVM blockchain acting as a verifier smart + contract. Read more to find out +keywords: + [ + solidity verifier, + smart contract, + blockchain, + compiler, + plonk_vk.sol, + EVM blockchain, + verifying Noir programs, + proving backend, + Barretenberg, + ] +sidebar_position: 0 +pagination_next: tutorials/noirjs_app +--- + +Noir has the ability to generate a verifier contract in Solidity, which can be deployed in many EVM-compatible blockchains such as Ethereum. + +This allows for a powerful feature set, as one can make use of the conciseness and the privacy provided by Noir in an immutable ledger. Applications can range from simple P2P guessing games, to complex private DeFi interactions. + +This guide shows you how to generate a Solidity Verifier and deploy it on the [Remix IDE](https://remix.ethereum.org/). It is assumed that: + +- You are comfortable with the Solidity programming language and understand how contracts are deployed on the Ethereum network +- You have Noir installed and you have a Noir program. If you don't, [get started](../getting_started/quick_start.md) with Nargo and the example Hello Noir circuit +- You are comfortable navigating RemixIDE. If you aren't or you need a refresher, you can find some video tutorials [here](https://www.youtube.com/channel/UCjTUPyFEr2xDGN6Cg8nKDaA) that could help you. + +## Rundown + +Generating a Solidity Verifier contract is actually a one-command process. However, compiling it and deploying it can have some caveats. Here's the rundown of this guide: + +1. How to generate a solidity smart contract +2. How to compile the smart contract in the RemixIDE +3. How to deploy it to a testnet + +## Step 1 - Generate a contract + +This is by far the most straightforward step. Just run: + +```sh +nargo compile +``` + +This will compile your source code into a Noir build artifact to be stored in the `./target` directory, you can then generate the smart contract using the commands: + +```sh +# Here we pass the path to the newly generated Noir artifact. +bb write_vk -b ./target/.json +bb contract +``` + +replacing `` with the name of your Noir project. A new `contract` folder would then be generated in your project directory, containing the Solidity +file `contract.sol`. It can be deployed to any EVM blockchain acting as a verifier smart contract. + +You can find more information about `bb` and the default Noir proving backend on [this page](../getting_started/quick_start.md#proving-backend). + +:::info + +It is possible to generate verifier contracts of Noir programs for other smart contract platforms as long as the proving backend supplies an implementation. + +Barretenberg, the default proving backend for Nargo, supports generation of verifier contracts, for the time being these are only in Solidity. +::: + +## Step 2 - Compiling + +We will mostly skip the details of RemixIDE, as the UI can change from version to version. For now, we can just open +Remix and create a blank workspace. + +![Create Workspace](@site/static/img/how-tos/solidity_verifier_1.png) + +We will create a new file to contain the contract Nargo generated, and copy-paste its content. + +:::warning + +You'll likely see a warning advising you to not trust pasted code. While it is an important warning, it is irrelevant in the context of this guide and can be ignored. We will not be deploying anywhere near a mainnet. + +::: + +To compile our the verifier, we can navigate to the compilation tab: + +![Compilation Tab](@site/static/img/how-tos/solidity_verifier_2.png) + +Remix should automatically match a suitable compiler version. However, hitting the "Compile" button will most likely generate a "Stack too deep" error: + +![Stack too deep](@site/static/img/how-tos/solidity_verifier_3.png) + +This is due to the verify function needing to put many variables on the stack, but enabling the optimizer resolves the issue. To do this, let's open the "Advanced Configurations" tab and enable optimization. The default 200 runs will suffice. + +:::info + +This time we will see a warning about an unused function parameter. This is expected, as the `verify` function doesn't use the `_proof` parameter inside a solidity block, it is loaded from calldata and used in assembly. + +::: + +![Compilation success](@site/static/img/how-tos/solidity_verifier_4.png) + +## Step 3 - Deploying + +At this point we should have a compiled contract ready to deploy. If we navigate to the deploy section in Remix, we will see many different environments we can deploy to. The steps to deploy on each environment would be out-of-scope for this guide, so we will just use the default Remix VM. + +Looking closely, we will notice that our "Solidity Verifier" is actually three contracts working together: + +- An `UltraVerificationKey` library which simply stores the verification key for our circuit. +- An abstract contract `BaseUltraVerifier` containing most of the verifying logic. +- A main `UltraVerifier` contract that inherits from the Base and uses the Key contract. + +Remix will take care of the dependencies for us so we can simply deploy the UltraVerifier contract by selecting it and hitting "deploy": + +![Deploying UltraVerifier](@site/static/img/how-tos/solidity_verifier_5.png) + +A contract will show up in the "Deployed Contracts" section, where we can retrieve the Verification Key Hash. This is particularly useful for double-checking that the deployer contract is the correct one. + +:::note + +Why "UltraVerifier"? + +To be precise, the Noir compiler (`nargo`) doesn't generate the verifier contract directly. It compiles the Noir code into an intermediate language (ACIR), which is then executed by the backend. So it is the backend that returns the verifier smart contract, not Noir. + +In this case, the Barretenberg Backend uses the UltraPlonk proving system, hence the "UltraVerifier" name. + +::: + +## Step 4 - Verifying + +To verify a proof using the Solidity verifier contract, we call the `verify` function in this extended contract: + +```solidity +function verify(bytes calldata _proof, bytes32[] calldata _publicInputs) external view returns (bool) +``` + +When using the default example in the [Hello Noir](../getting_started/quick_start.md) guide, the easiest way to confirm that the verifier contract is doing its job is by calling the `verify` function via remix with the required parameters. Note that the public inputs must be passed in separately to the rest of the proof so we must split the proof as returned from `bb`. + +First generate a proof with `bb` at the location `./proof` using the steps in [get started](../getting_started/quick_start.md), this proof is in a binary format but we want to convert it into a hex string to pass into Remix, this can be done with the + +```bash +# This value must be changed to match the number of public inputs (including return values!) in your program. +NUM_PUBLIC_INPUTS=1 +PUBLIC_INPUT_BYTES=32*NUM_PUBLIC_INPUTS +HEX_PUBLIC_INPUTS=$(head -c $PUBLIC_INPUT_BYTES ./proof | od -An -v -t x1 | tr -d $' \n') +HEX_PROOF=$(tail -c +$(($PUBLIC_INPUT_BYTES + 1)) ./proof | od -An -v -t x1 | tr -d $' \n') + +echo "Public inputs:" +echo $HEX_PUBLIC_INPUTS + +echo "Proof:" +echo "0x$HEX_PROOF" +``` + +Remix expects that the public inputs will be split into an array of `bytes32` values so `HEX_PUBLIC_INPUTS` needs to be split up into 32 byte chunks which are prefixed with `0x` accordingly. + +A programmatic example of how the `verify` function is called can be seen in the example zk voting application [here](https://github.com/noir-lang/noir-examples/blob/33e598c257e2402ea3a6b68dd4c5ad492bce1b0a/foundry-voting/src/zkVote.sol#L35): + +```solidity +function castVote(bytes calldata proof, uint proposalId, uint vote, bytes32 nullifierHash) public returns (bool) { + // ... + bytes32[] memory publicInputs = new bytes32[](4); + publicInputs[0] = merkleRoot; + publicInputs[1] = bytes32(proposalId); + publicInputs[2] = bytes32(vote); + publicInputs[3] = nullifierHash; + require(verifier.verify(proof, publicInputs), "Invalid proof"); +``` + +:::info[Return Values] + +A circuit doesn't have the concept of a return value. Return values are just syntactic sugar in Noir. + +Under the hood, the return value is passed as an input to the circuit and is checked at the end of the circuit program. + +For example, if you have Noir program like this: + +```rust +fn main( + // Public inputs + pubkey_x: pub Field, + pubkey_y: pub Field, + // Private inputs + priv_key: Field, +) -> pub Field +``` + +the `verify` function will expect the public inputs array (second function parameter) to be of length 3, the two inputs and the return value. + +Passing only two inputs will result in an error such as `PUBLIC_INPUT_COUNT_INVALID(3, 2)`. + +In this case, the inputs parameter to `verify` would be an array ordered as `[pubkey_x, pubkey_y, return`. + +::: + +:::tip[Structs] + +You can pass structs to the verifier contract. They will be flattened so that the array of inputs is 1-dimensional array. + +For example, consider the following program: + +```rust +struct Type1 { + val1: Field, + val2: Field, +} + +struct Nested { + t1: Type1, + is_true: bool, +} + +fn main(x: pub Field, nested: pub Nested, y: pub Field) { + //... +} +``` + +The order of these inputs would be flattened to: `[x, nested.t1.val1, nested.t1.val2, nested.is_true, y]` + +::: + +The other function you can call is our entrypoint `verify` function, as defined above. + +:::tip + +It's worth noticing that the `verify` function is actually a `view` function. A `view` function does not alter the blockchain state, so it doesn't need to be distributed (i.e. it will run only on the executing node), and therefore doesn't cost any gas. + +This can be particularly useful in some situations. If Alice generated a proof and wants Bob to verify its correctness, Bob doesn't need to run Nargo, NoirJS, or any Noir specific infrastructure. He can simply make a call to the blockchain with the proof and verify it is correct without paying any gas. + +It would be incorrect to say that a Noir proof verification costs any gas at all. However, most of the time the result of `verify` is used to modify state (for example, to update a balance, a game state, etc). In that case the whole network needs to execute it, which does incur gas costs (calldata and execution, but not storage). + +::: + +## A Note on EVM chains + +Noir proof verification requires the ecMul, ecAdd and ecPairing precompiles. Not all EVM chains support EC Pairings, notably some of the ZK-EVMs. This means that you won't be able to use the verifier contract in all of them. You can find an incomplete list of which EVM chains support these precompiles [here](https://www.evmdiff.com/features?feature=precompiles). + +For example, chains like `zkSync ERA` and `Polygon zkEVM` do not currently support these precompiles, so proof verification via Solidity verifier contracts won't work. Here's a quick list of EVM chains that have been tested and are known to work: + +- Optimism +- Arbitrum +- Polygon PoS +- Scroll +- Celo +- BSC +- Blast L2 +- Avalanche C-Chain +- Mode +- Linea +- Moonbeam + +If you test any other chains, please open a PR on this page to update the list. See [this doc](https://github.com/noir-lang/noir-starter/tree/main/with-foundry#testing-on-chain) for more info about testing verifier contracts on different EVM chains. + +## What's next + +Now that you know how to call a Noir Solidity Verifier on a smart contract using Remix, you should be comfortable with using it with some programmatic frameworks, such as [hardhat](https://github.com/noir-lang/noir-starter/tree/main/vite-hardhat) and [foundry](https://github.com/noir-lang/noir-starter/tree/main/with-foundry). + +You can find other tools, examples, boilerplates and libraries in the [awesome-noir](https://github.com/noir-lang/awesome-noir) repository. + +You should also be ready to write and deploy your first NoirJS app and start generating proofs on websites, phones, and NodeJS environments! Head on to the [NoirJS tutorial](../tutorials/noirjs_app.md) to learn how to do that. diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/how_to/merkle-proof.mdx b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/how_to/merkle-proof.mdx new file mode 100644 index 00000000000..0a128adb2de --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/how_to/merkle-proof.mdx @@ -0,0 +1,48 @@ +--- +title: Prove Merkle Tree Membership +description: + Learn how to use merkle membership proof in Noir to prove that a given leaf is a member of a + merkle tree with a specified root, at a given index. +keywords: + [merkle proof, merkle membership proof, Noir, rust, hash function, Pedersen, sha256, merkle tree] +sidebar_position: 4 +--- + +Let's walk through an example of a merkle membership proof in Noir that proves that a given leaf is +in a merkle tree. + +```rust + +fn main(message : [Field; 62], index : Field, hashpath : [Field; 40], root : Field) { + let leaf = std::hash::hash_to_field(message.as_slice()); + let merkle_root = std::merkle::compute_merkle_root(leaf, index, hashpath); + assert(merkle_root == root); +} + +``` + +The message is hashed using `hash_to_field`. The specific hash function that is being used is chosen +by the backend. The only requirement is that this hash function can heuristically be used as a +random oracle. If only collision resistance is needed, then one can call `std::hash::pedersen_hash` +instead. + +```rust +let leaf = std::hash::hash_to_field(message.as_slice()); +``` + +The leaf is then passed to a compute_merkle_root function with the root, index and hashpath. The returned root can then be asserted to be the same as the provided root. + +```rust +let merkle_root = std::merkle::compute_merkle_root(leaf, index, hashpath); +assert (merkle_root == root); +``` + +> **Note:** It is possible to re-implement the merkle tree implementation without standard library. +> However, for most usecases, it is enough. In general, the standard library will always opt to be +> as conservative as possible, while striking a balance with efficiency. + +An example, the merkle membership proof, only requires a hash function that has collision +resistance, hence a hash function like Pedersen is allowed, which in most cases is more efficient +than the even more conservative sha256. + +[View an example on the starter repo](https://github.com/noir-lang/noir-examples/blob/3ea09545cabfa464124ec2f3ea8e60c608abe6df/stealthdrop/circuits/src/main.nr#L20) diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/how_to/using-devcontainers.mdx b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/how_to/using-devcontainers.mdx new file mode 100644 index 00000000000..727ec6ca667 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/how_to/using-devcontainers.mdx @@ -0,0 +1,110 @@ +--- +title: Developer Containers and Codespaces +description: "Learn how to set up a devcontainer in your GitHub repository for a seamless coding experience with Codespaces. Follow our easy 8-step guide to create your own Noir environment without installing Nargo locally." +keywords: ["Devcontainer", "Codespaces", "GitHub", "Noir Environment", "Docker Image", "Development Environment", "Remote Coding", "GitHub Codespaces", "Noir Programming", "Nargo", "VSCode Extensions", "Noirup"] +sidebar_position: 1 +--- + +Adding a developer container configuration file to your Noir project is one of the easiest way to unlock coding in browser. + +## What's a devcontainer after all? + +A [Developer Container](https://containers.dev/) (devcontainer for short) is a Docker image that comes preloaded with tools, extensions, and other tools you need to quickly get started or continue a project, without having to install Nargo locally. Think of it as a development environment in a box. + +There are many advantages to this: + +- It's platform and architecture agnostic +- You don't need to have an IDE installed, or Nargo, or use a terminal at all +- It's safer for using on a public machine or public network + +One of the best ways of using devcontainers is... not using your machine at all, for maximum control, performance, and ease of use. +Enter Codespaces. + +## Codespaces + +If a devcontainer is just a Docker image, then what stops you from provisioning a `p3dn.24xlarge` AWS EC2 instance with 92 vCPUs and 768 GiB RAM and using it to prove your 10-gate SNARK proof? + +Nothing! Except perhaps the 30-40$ per hour it will cost you. + +The problem is that provisioning takes time, and I bet you don't want to see the AWS console every time you want to code something real quick. + +Fortunately, there's an easy and free way to get a decent remote machine ready and loaded in less than 2 minutes: Codespaces. [Codespaces is a Github feature](https://github.com/features/codespaces) that allows you to code in a remote machine by using devcontainers, and it's pretty cool: + +- You can start coding Noir in less than a minute +- It uses the resources of a remote machine, so you can code on your grandma's phone if needed be +- It makes it easy to share work with your frens +- It's fully reusable, you can stop and restart whenever you need to + +:::info + +Don't take out your wallet just yet. Free GitHub accounts get about [15-60 hours of coding](https://github.com/features/codespaces) for free per month, depending on the size of your provisioned machine. + +::: + +## Tell me it's _actually_ easy + +It is! + +Github comes with a default codespace and you can use it to code your own devcontainer. That's exactly what we will be doing in this guide. + + + +8 simple steps: + +#### 1. Create a new repository on GitHub. + +#### 2. Click "Start coding with Codespaces". This will use the default image. + +#### 3. Create a folder called `.devcontainer` in the root of your repository. + +#### 4. Create a Dockerfile in that folder, and paste the following code: + +```docker +FROM --platform=linux/amd64 node:lts-bookworm-slim +SHELL ["/bin/bash", "-c"] +RUN apt update && apt install -y curl bash git tar gzip libc++-dev +RUN curl -L https://raw.githubusercontent.com/noir-lang/noirup/main/install | bash +ENV PATH="/root/.nargo/bin:$PATH" +RUN noirup +ENTRYPOINT ["nargo"] +``` +#### 5. Create a file called `devcontainer.json` in the same folder, and paste the following code: + +```json +{ + "name": "Noir on Codespaces", + "build": { + "context": ".", + "dockerfile": "Dockerfile" + }, + "customizations": { + "vscode": { + "extensions": ["noir-lang.vscode-noir"] + } + } +} +``` +#### 6. Commit and push your changes + +This will pull the new image and build it, so it could take a minute or so + +#### 8. Done! +Just wait for the build to finish, and there's your easy Noir environment. + + +Refer to [noir-starter](https://github.com/noir-lang/noir-starter/) as an example of how devcontainers can be used together with codespaces. + + + +## How do I use it? + +Using the codespace is obviously much easier than setting it up. +Just navigate to your repository and click "Code" -> "Open with Codespaces". It should take a few seconds to load, and you're ready to go. + +:::info + +If you really like the experience, you can add a badge to your readme, links to existing codespaces, and more. +Check out the [official docs](https://docs.github.com/en/codespaces/setting-up-your-project-for-codespaces/setting-up-your-repository/facilitating-quick-creation-and-resumption-of-codespaces) for more info. diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/index.mdx b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/index.mdx new file mode 100644 index 00000000000..a6bd306f91d --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/index.mdx @@ -0,0 +1,67 @@ +--- +title: Noir Lang +hide_title: true +description: + Learn about the public alpha release of Noir, a domain specific language heavily influenced by Rust that compiles to + an intermediate language which can be compiled to an arithmetic circuit or a rank-1 constraint system. +keywords: + [Noir, + Domain Specific Language, + Rust, + Intermediate Language, + Arithmetic Circuit, + Rank-1 Constraint System, + Ethereum Developers, + Protocol Developers, + Blockchain Developers, + Proving System, + Smart Contract Language] +sidebar_position: 0 +--- + +import Tabs from '@theme/Tabs'; +import TabItem from '@theme/TabItem'; + +Noir Logo + +Noir is an open-source Domain-Specific Language for safe and seamless construction of privacy-preserving Zero-Knowledge programs, requiring no previous knowledge on the underlying mathematics or cryptography. + +ZK programs are programs that can generate short proofs of statements without revealing all inputs to the statements. You can read more about Zero-Knowledge Proofs [here](https://dev.to/spalladino/a-beginners-intro-to-coding-zero-knowledge-proofs-c56). + +## What's new about Noir? + +Noir works differently from most ZK languages by taking a two-pronged path. First, it compiles the program to an adaptable intermediate language known as ACIR. From there, depending on a given project's needs, ACIR can be further compiled into an arithmetic circuit for integration with the proving backend. + +:::info + +Noir is backend agnostic, which means it makes no assumptions on which proving backend powers the ZK proof. Being the language that powers [Aztec Contracts](https://docs.aztec.network/developers/contracts/main), it defaults to Aztec's Barretenberg proving backend. + +However, the ACIR output can be transformed to be compatible with other PLONK-based backends, or into a [rank-1 constraint system](https://www.rareskills.io/post/rank-1-constraint-system) suitable for backends such as Arkwork's Marlin. + +::: + +## Who is Noir for? + +Noir can be used both in complex cloud-based backends and in user's smartphones, requiring no knowledge on the underlying math or cryptography. From authorization systems that keep a password in the user's device, to complex on-chain verification of recursive proofs, Noir is designed to abstract away complexity without any significant overhead. Here are some examples of situations where Noir can be used: + + + + Noir Logo + + Aztec Contracts leverage Noir to allow for the storage and execution of private information. Writing an Aztec Contract is as easy as writing Noir, and Aztec developers can easily interact with the network storage and execution through the [Aztec.nr](https://docs.aztec.network/developers/contracts/main) library. + + + Soliditry Verifier Example + Noir can auto-generate Solidity verifier contracts that verify Noir proofs. This allows for non-interactive verification of proofs containing private information in an immutable system. This feature powers a multitude of use-case scenarios, from P2P chess tournaments, to [Aztec Layer-2 Blockchain](https://docs.aztec.network/) + + + Aztec Labs developed NoirJS, an easy interface to generate and verify Noir proofs in a Javascript environment. This allows for Noir to be used in webpages, mobile apps, games, and any other environment supporting JS execution in a standalone manner. + + + + +## Libraries + +Noir is meant to be easy to extend by simply importing Noir libraries just like in Rust. +The [awesome-noir repo](https://github.com/noir-lang/awesome-noir#libraries) is a collection of libraries developed by the Noir community. +Writing a new library is easy and makes code be composable and easy to reuse. See the section on [dependencies](noir/modules_packages_crates/dependencies.md) for more information. diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/migration_notes.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/migration_notes.md new file mode 100644 index 00000000000..6bd740024e5 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/migration_notes.md @@ -0,0 +1,105 @@ +--- +title: Migration notes +description: Read about migration notes from previous versions, which could solve problems while updating +keywords: [Noir, notes, migration, updating, upgrading] +--- + +Noir is in full-speed development. Things break fast, wild, and often. This page attempts to leave some notes on errors you might encounter when upgrading and how to resolve them until proper patches are built. + +### `backend encountered an error: libc++.so.1` + +Depending on your OS, you may encounter the following error when running `nargo prove` for the first time: + +```text +The backend encountered an error: "/home/codespace/.nargo/backends/acvm-backend-barretenberg/backend_binary: error while loading shared libraries: libc++.so.1: cannot open shared object file: No such file or directory\n" +``` + +Install the `libc++-dev` library with: + +```bash +sudo apt install libc++-dev +``` + +## ≥0.19 + +### Enforcing `compiler_version` + +From this version on, the compiler will check for the `compiler_version` field in `Nargo.toml`, and will error if it doesn't match the current Nargo version in use. + +To update, please make sure this field in `Nargo.toml` matches the output of `nargo --version`. + +## ≥0.14 + +The index of the [for loops](noir/concepts/control_flow.md#loops) is now of type `u64` instead of `Field`. An example refactor would be: + +```rust +for i in 0..10 { + let i = i as Field; +} +``` + +## ≥v0.11.0 and Nargo backend + +From this version onwards, Nargo starts managing backends through the `nargo backend` command. Upgrading to the versions per usual steps might lead to: + +### `backend encountered an error` + +This is likely due to the existing locally installed version of proving backend (e.g. barretenberg) is incompatible with the version of Nargo in use. + +To fix the issue: + +1. Uninstall the existing backend + +```bash +nargo backend uninstall acvm-backend-barretenberg +``` + +You may replace _acvm-backend-barretenberg_ with the name of your backend listed in `nargo backend ls` or in ~/.nargo/backends. + +2. Reinstall a compatible version of the proving backend. + +If you are using the default barretenberg backend, simply run: + +``` +nargo prove +``` + +with your Noir program. + +This will trigger the download and installation of the latest version of barretenberg compatible with your Nargo in use. + +### `backend encountered an error: illegal instruction` + +On certain Intel-based systems, an `illegal instruction` error may arise due to incompatibility of barretenberg with certain CPU instructions. + +To fix the issue: + +1. Uninstall the existing backend + +```bash +nargo backend uninstall acvm-backend-barretenberg +``` + +You may replace _acvm-backend-barretenberg_ with the name of your backend listed in `nargo backend ls` or in ~/.nargo/backends. + +2. Reinstall a compatible version of the proving backend. + +If you are using the default barretenberg backend, simply run: + +``` +nargo backend install acvm-backend-barretenberg https://github.com/noir-lang/barretenberg-js-binary/raw/master/run-bb.tar.gz +``` + +This downloads and installs a specific bb.js based version of barretenberg binary from GitHub. + +The gzipped file is running [this bash script](https://github.com/noir-lang/barretenberg-js-binary/blob/master/run-bb-js.sh), where we need to gzip it as the Nargo currently expect the backend to be zipped up. + +Then run: + +``` +DESIRED_BINARY_VERSION=0.8.1 nargo info +``` + +This overrides the bb native binary with a bb.js node application instead, which should be compatible with most if not all hardware. This does come with the drawback of being generally slower than native binary. + +0.8.1 indicates bb.js version 0.8.1, so if you change that it will update to a different version or the default version in the script if none was supplied. diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/_category_.json b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/_category_.json new file mode 100644 index 00000000000..7da08f8a8c5 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/_category_.json @@ -0,0 +1,6 @@ +{ + "label": "Concepts", + "position": 0, + "collapsible": true, + "collapsed": true +} \ No newline at end of file diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/assert.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/assert.md new file mode 100644 index 00000000000..2132de42072 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/assert.md @@ -0,0 +1,78 @@ +--- +title: Assert Function +description: + Learn about the `assert` and `static_assert` functions in Noir, which can be used to explicitly + constrain the predicate or comparison expression that follows to be true, and what happens if + the expression is false at runtime or compile-time, respectively. +keywords: [Noir programming language, assert statement, predicate expression, comparison expression] +sidebar_position: 4 +--- + +Noir includes a special `assert` function which will explicitly constrain the predicate/comparison +expression that follows to be true. If this expression is false at runtime, the program will fail to +be proven. Example: + +```rust +fn main(x : Field, y : Field) { + assert(x == y); +} +``` + +> Assertions only work for predicate operations, such as `==`. If there's any ambiguity on the operation, the program will fail to compile. For example, it is unclear if `assert(x + y)` would check for `x + y == 0` or simply would return `true`. + +You can optionally provide a message to be logged when the assertion fails: + +```rust +assert(x == y, "x and y are not equal"); +``` + +Aside string literals, the optional message can be a format string or any other type supported as input for Noir's [print](../standard_library/logging.md) functions. This feature lets you incorporate runtime variables into your failed assertion logs: + +```rust +assert(x == y, f"Expected x == y, but got {x} == {y}"); +``` + +Using a variable as an assertion message directly: + +```rust +struct myStruct { + myField: Field +} + +let s = myStruct { myField: y }; +assert(s.myField == x, s); +``` + +There is also a special `static_assert` function that behaves like `assert`, +but that runs at compile-time. + +```rust +fn main(xs: [Field; 3]) { + let x = 2 + 2; + let y = 4; + static_assert(x == y, "expected 2 + 2 to equal 4"); + + // This passes since the length of `xs` is known at compile-time + static_assert(xs.len() == 3, "expected the input to have 3 elements"); +} +``` + +This function fails when passed a dynamic (run-time) argument: + +```rust +fn main(x : Field, y : Field) { + // this fails because `x` is not known at compile-time + static_assert(x == 2, "expected x to be known at compile-time and equal to 2"); + + let mut example_slice = &[]; + if y == 4 { + example_slice = example_slice.push_back(0); + } + + // This fails because the length of `example_slice` is not known at + // compile-time + let error_message = "expected an empty slice, known at compile-time"; + static_assert(example_slice.len() == 0, error_message); +} +``` + diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/comments.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/comments.md new file mode 100644 index 00000000000..b51a85f5c94 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/comments.md @@ -0,0 +1,33 @@ +--- +title: Comments +description: + Learn how to write comments in Noir programming language. A comment is a line of code that is + ignored by the compiler, but it can be read by programmers. Single-line and multi-line comments + are supported in Noir. +keywords: [Noir programming language, comments, single-line comments, multi-line comments] +sidebar_position: 10 +--- + +A comment is a line in your codebase which the compiler ignores, however it can be read by +programmers. + +Here is a single line comment: + +```rust +// This is a comment and is ignored +``` + +`//` is used to tell the compiler to ignore the rest of the line. + +Noir also supports multi-line block comments. Start a block comment with `/*` and end the block with `*/`. + +Noir does not natively support doc comments. You may be able to use [Rust doc comments](https://doc.rust-lang.org/reference/comments.html) in your code to leverage some Rust documentation build tools with Noir code. + +```rust +/* + This is a block comment describing a complex function. +*/ +fn main(x : Field, y : pub Field) { + assert(x != y); +} +``` diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/comptime.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/comptime.md new file mode 100644 index 00000000000..2ceb030c7e1 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/comptime.md @@ -0,0 +1,445 @@ +--- +title: Compile-time Code & Metaprogramming +description: Learn how to use metaprogramming in Noir to create macros or derive your own traits +keywords: [Noir, comptime, compile-time, metaprogramming, macros, quote, unquote] +sidebar_position: 15 +--- + +## Overview + +Metaprogramming in Noir is comprised of three parts: +1. `comptime` code +2. Quoting and unquoting +3. The metaprogramming API in `std::meta` + +Each of these are explained in more detail in the next sections but the wide picture is that +`comptime` allows us to write code which runs at compile-time. In this `comptime` code we +can quote and unquote snippets of the program, manipulate them, and insert them in other +parts of the program. Comptime functions which do this are said to be macros. Additionally, +there's a compile-time API of built-in types and functions provided by the compiler which allows +for greater analysis and modification of programs. + +--- + +## Comptime + +`comptime` is a new keyword in Noir which marks an item as executing or existing at compile-time. It can be used in several ways: + +- `comptime fn` to define functions which execute exclusively during compile-time. +- `comptime global` to define a global variable which is evaluated at compile-time. + - Unlike runtime globals, `comptime global`s can be mutable. +- `comptime { ... }` to execute a block of statements during compile-time. +- `comptime let` to define a variable whose value is evaluated at compile-time. +- `comptime for` to run a for loop at compile-time. Syntax sugar for `comptime { for .. }`. + +### Scoping + +Note that while in a `comptime` context, any runtime variables _local to the current function_ are never visible. + +### Evaluating + +Evaluation rules of `comptime` follows the normal unconstrained evaluation rules for other Noir code. There are a few things to note though: + +- Certain built-in functions may not be available, although more may be added over time. +- Evaluation order of global items is currently unspecified. For example, given the following two functions we can't guarantee +which `println` will execute first. The ordering of the two printouts will be arbitrary, but should be stable across multiple compilations with the same `nargo` version as long as the program is also unchanged. + +```rust +fn one() { + comptime { println("one"); } +} + +fn two() { + comptime { println("two"); } +} +``` + +- Since evaluation order is unspecified, care should be taken when using mutable globals so that they do not rely on a particular ordering. +For example, using globals to generate unique ids should be fine but relying on certain ids always being produced (especially after edits to the program) should be avoided. +- Although most ordering of globals is unspecified, two are: + - Dependencies of a crate will always be evaluated before the dependent crate. + - Any annotations on a function will be run before the function itself is resolved. This is to allow the annotation to modify the function if necessary. Note that if the + function itself was called at compile-time previously, it will already be resolved and cannot be modified. To prevent accidentally calling functions you wish to modify + at compile-time, it may be helpful to sort your `comptime` annotation functions into a different crate along with any dependencies they require. + +### Lowering + +When a `comptime` value is used in runtime code it must be lowered into a runtime value. This means replacing the expression with the literal that it evaluated to. For example, the code: + +```rust +struct Foo { array: [Field; 2], len: u32 } + +fn main() { + println(comptime { + let mut foo = std::mem::zeroed::(); + foo.array[0] = 4; + foo.len = 1; + foo + }); +} +``` + +will be converted to the following after `comptime` expressions are evaluated: + +```rust +struct Foo { array: [Field; 2], len: u32 } + +fn main() { + println(Foo { array: [4, 0], len: 1 }); +} +``` + +Not all types of values can be lowered. For example, `Type`s and `TypeDefinition`s (among other types) cannot be lowered at all. + +```rust +fn main() { + // There's nothing we could inline here to create a Type value at runtime + // let _ = get_type!(); +} + +comptime fn get_type() -> Type { ... } +``` + +--- + +## (Quasi) Quote + +Macros in Noir are `comptime` functions which return code as a value which is inserted into the call site when it is lowered there. +A code value in this case is of type `Quoted` and can be created by a `quote { ... }` expression. +More specifically, the code value `quote` creates is a token stream - a representation of source code as a series of words, numbers, string literals, or operators. +For example, the expression `quote { Hi "there reader"! }` would quote three tokens: the word "hi", the string "there reader", and an exclamation mark. +You'll note that snippets that would otherwise be invalid syntax can still be quoted. + +When a `Quoted` value is used in runtime code, it is lowered into a `quote { ... }` expression. Since this expression is only valid +in compile-time code however, we'd get an error if we tried this. Instead, we can use macro insertion to insert each token into the +program at that point, and parse it as an expression. To do this, we have to add a `!` after the function name returning the `Quoted` value. +If the value was created locally and there is no function returning it, `std::meta::unquote!(_)` can be used instead. +Calling such a function at compile-time without `!` will just return the `Quoted` value to be further manipulated. For example: + +```rust title="quote-example" showLineNumbers +comptime fn quote_one() -> Quoted { + quote { 1 } + } + + #[test] + fn returning_versus_macro_insertion() { + comptime { + // let _a: Quoted = quote { 1 }; + let _a: Quoted = quote_one(); + + // let _b: Field = 1; + let _b: Field = quote_one!(); + + // Since integers default to fields, if we + // want a different type we have to explicitly cast + // let _c: i32 = 1 as i32; + let _c: i32 = quote_one!() as i32; + } + } +``` +> Source code: noir_stdlib/src/meta/mod.nr#L120-L140 + + +For those familiar with quoting from other languages (primarily lisps), Noir's `quote` is actually a _quasiquote_. +This means we can escape the quoting by using the unquote operator to splice values in the middle of quoted code. + +## Unquote + +The unquote operator `$` is usable within a `quote` expression. +It takes a variable as an argument, evaluates the variable, and splices the resulting value into the quoted token stream at that point. For example, + +```rust +comptime { + let x = 1 + 2; + let y = quote { $x + 4 }; +} +``` + +The value of `y` above will be the token stream containing `3`, `+`, and `4`. We can also use this to combine `Quoted` values into larger token streams: + +```rust +comptime { + let x = quote { 1 + 2 }; + let y = quote { $x + 4 }; +} +``` + +The value of `y` above is now the token stream containing five tokens: `1 + 2 + 4`. + +Note that to unquote something, a variable name _must_ follow the `$` operator in a token stream. +If it is an expression (even a parenthesized one), it will do nothing. Most likely a parse error will be given when the macro is later unquoted. + +Unquoting can also be avoided by escaping the `$` with a backslash: + +``` +comptime { + let x = quote { 1 + 2 }; + + // y contains the four tokens: `$x + 4` + let y = quote { \$x + 4 }; +} +``` + +--- + +## Annotations + +Annotations provide a way to run a `comptime` function on an item in the program. +When you use an annotation, the function with the same name will be called with that item as an argument: + +```rust +#[my_struct_annotation] +struct Foo {} + +comptime fn my_struct_annotation(s: StructDefinition) { + println("Called my_struct_annotation!"); +} + +#[my_function_annotation] +fn foo() {} + +comptime fn my_function_annotation(f: FunctionDefinition) { + println("Called my_function_annotation!"); +} +``` + +Anything returned from one of these functions will be inserted at top-level along with the original item. +Note that expressions are not valid at top-level so you'll get an error trying to return `3` or similar just as if you tried to write a program containing `3; struct Foo {}`. +You can insert other top-level items such as trait impls, structs, or functions this way though. +For example, this is the mechanism used to insert additional trait implementations into the program when deriving a trait impl from a struct: + +```rust title="derive-field-count-example" showLineNumbers +trait FieldCount { + fn field_count() -> u32; + } + + #[derive_field_count] + struct Bar { + x: Field, + y: [Field; 2], + } + + comptime fn derive_field_count(s: StructDefinition) -> Quoted { + let typ = s.as_type(); + let field_count = s.fields().len(); + quote { + impl FieldCount for $typ { + fn field_count() -> u32 { + $field_count + } + } + } + } +``` +> Source code: noir_stdlib/src/meta/mod.nr#L142-L164 + + +### Calling annotations with additional arguments + +Arguments may optionally be given to annotations. +When this is done, these additional arguments are passed to the annotation function after the item argument. + +```rust title="annotation-arguments-example" showLineNumbers +#[assert_field_is_type(quote { i32 }.as_type())] + struct MyStruct { + my_field: i32, + } + + comptime fn assert_field_is_type(s: StructDefinition, typ: Type) { + // Assert the first field in `s` has type `typ` + let fields = s.fields(); + assert_eq(fields[0].1, typ); + } +``` +> Source code: noir_stdlib/src/meta/mod.nr#L166-L177 + + +We can also take any number of arguments by adding the `varargs` annotation: + +```rust title="annotation-varargs-example" showLineNumbers +#[assert_three_args(1, 2, 3)] + struct MyOtherStruct { + my_other_field: u32, + } + + #[varargs] + comptime fn assert_three_args(_s: StructDefinition, args: [Field]) { + assert_eq(args.len(), 3); + } +``` +> Source code: noir_stdlib/src/meta/mod.nr#L179-L189 + + +--- + +## Comptime API + +Although `comptime`, `quote`, and unquoting provide a flexible base for writing macros, +Noir's true metaprogramming ability comes from being able to interact with the compiler through a compile-time API. +This API can be accessed through built-in functions in `std::meta` as well as on methods of several `comptime` types. + +The following is an incomplete list of some `comptime` types along with some useful methods on them. You can see more in the standard library [Metaprogramming section](../standard_library/meta). + +- `Quoted`: A token stream +- `Type`: The type of a Noir type + - `fn implements(self, constraint: TraitConstraint) -> bool` + - Returns true if `self` implements the given trait constraint +- `Expr`: A syntactically valid expression. Can be used to recur on a program's parse tree to inspect how it is structured. + - Methods: + - `fn as_function_call(self) -> Option<(Expr, [Expr])>` + - If this is a function call expression, return `(function, arguments)` + - `fn as_block(self) -> Option<[Expr]>` + - If this is a block, return each statement in the block +- `FunctionDefinition`: A function definition + - Methods: + - `fn parameters(self) -> [(Quoted, Type)]` + - Returns a slice of `(name, type)` pairs for each parameter +- `StructDefinition`: A struct definition + - Methods: + - `fn as_type(self) -> Type` + - Returns this `StructDefinition` as a `Type`. Any generics are kept as-is + - `fn generics(self) -> [Quoted]` + - Return the name of each generic on this struct + - `fn fields(self) -> [(Quoted, Type)]` + - Return the name and type of each field +- `TraitConstraint`: A trait constraint such as `From` +- `TypedExpr`: A type-checked expression. +- `UnresolvedType`: A syntactic notation that refers to a Noir type that hasn't been resolved yet + +There are many more functions available by exploring the `std::meta` module and its submodules. +Using these methods is the key to writing powerful metaprogramming libraries. + +### `#[use_callers_scope]` + +Since certain functions such as `Quoted::as_type`, `Expression::as_type`, or `Quoted::as_trait_constraint` will attempt +to resolve their contents in a particular scope - it can be useful to change the scope they resolve in. By default +these functions will resolve in the current function's scope which is usually the attribute function they are called in. +If you're working on a library however, this may be a completely different module or crate to the item you're trying to +use the attribute on. If you want to be able to use `Quoted::as_type` to refer to types local to the caller's scope for +example, you can annotate your attribute function with `#[use_callers_scope]`. This will ensure your attribute, and any +closures it uses, can refer to anything in the caller's scope. `#[use_callers_scope]` also works recursively. So if both +your attribute function and a helper function it calls use it, then they can both refer to the same original caller. + +--- + +## Example: Derive + +Using all of the above, we can write a `derive` macro that behaves similarly to Rust's but is not built into the language. +From the user's perspective it will look like this: + +```rust +// Example usage +#[derive(Default, Eq, Ord)] +struct MyStruct { my_field: u32 } +``` + +To implement `derive` we'll have to create a `comptime` function that accepts +a variable amount of traits. + +```rust title="derive_example" showLineNumbers +// These are needed for the unconstrained hashmap we're using to store derive functions +use crate::collections::umap::UHashMap; +use crate::hash::BuildHasherDefault; +use crate::hash::poseidon2::Poseidon2Hasher; + +// A derive function is one that given a struct definition can +// create us a quoted trait impl from it. +pub type DeriveFunction = fn(StructDefinition) -> Quoted; + +// We'll keep a global HANDLERS map to keep track of the derive handler for each trait +comptime mut global HANDLERS: UHashMap> = + UHashMap::default(); + +// Given a struct and a slice of traits to derive, create trait impls for each. +// This function is as simple as iterating over the slice, checking if we have a trait +// handler registered for the given trait, calling it, and appending the result. +#[varargs] +pub comptime fn derive(s: StructDefinition, traits: [TraitDefinition]) -> Quoted { + let mut result = quote {}; + + for trait_to_derive in traits { + let handler = unsafe { HANDLERS.get(trait_to_derive) }; + assert(handler.is_some(), f"No derive function registered for `{trait_to_derive}`"); + + let trait_impl = handler.unwrap()(s); + result = quote { $result $trait_impl }; + } + + result +} +``` +> Source code: noir_stdlib/src/meta/mod.nr#L31-L64 + + +Registering a derive function could be done as follows: + +```rust title="derive_via" showLineNumbers +// To register a handler for a trait, just add it to our handlers map +pub comptime fn derive_via(t: TraitDefinition, f: DeriveFunction) { + HANDLERS.insert(t, f); +} +``` +> Source code: noir_stdlib/src/meta/mod.nr#L66-L73 + + +```rust title="big-derive-usage-example" showLineNumbers +// Finally, to register a handler we call the above function as an annotation + // with our handler function. + #[derive_via(derive_do_nothing)] + trait DoNothing { + fn do_nothing(self); + } + + comptime fn derive_do_nothing(s: StructDefinition) -> Quoted { + // This is simplified since we don't handle generics or where clauses! + // In a real example we'd likely also need to introduce each of + // `s.generics()` as well as a trait constraint for each generic + // to ensure they also implement the trait. + let typ = s.as_type(); + quote { + impl DoNothing for $typ { + fn do_nothing(self) { + // Traits can't tell us what to do + println("something"); + } + } + } + } + + // Since `DoNothing` is a simple trait which: + // 1. Only has one method + // 2. Does not have any generics on the trait itself + // We can use `std::meta::make_trait_impl` to help us out. + // This helper function will generate our impl for us along with any + // necessary where clauses and still provides a flexible interface + // for us to work on each field on the struct. + comptime fn derive_do_nothing_alt(s: StructDefinition) -> Quoted { + let trait_name = quote { DoNothing }; + let method_signature = quote { fn do_nothing(self) }; + + // Call `do_nothing` recursively on each field in the struct + let for_each_field = |field_name| quote { self.$field_name.do_nothing(); }; + + // Some traits like Eq want to join each field expression with something like `&`. + // We don't need that here + let join_fields_with = quote {}; + + // The body function is a spot to insert any extra setup/teardown needed. + // We'll insert our println here. Since we recur on each field, we should see + // one println for the struct itself, followed by a println for every field (recursively). + let body = |body| quote { + println("something"); + $body + }; + crate::meta::make_trait_impl( + s, + trait_name, + method_signature, + for_each_field, + join_fields_with, + body, + ) + } +``` +> Source code: noir_stdlib/src/meta/mod.nr#L191-L249 + diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/control_flow.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/control_flow.md new file mode 100644 index 00000000000..b365bb22728 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/control_flow.md @@ -0,0 +1,79 @@ +--- +title: Control Flow +description: + Learn how to use loops and if expressions in the Noir programming language. Discover the syntax + and examples for for loops and if-else statements. +keywords: [Noir programming language, loops, for loop, if-else statements, Rust syntax] +sidebar_position: 2 +--- + +## If Expressions + +Noir supports `if-else` statements. The syntax is most similar to Rust's where it is not required +for the statement's conditional to be surrounded by parentheses. + +```rust +let a = 0; +let mut x: u32 = 0; + +if a == 0 { + if a != 0 { + x = 6; + } else { + x = 2; + } +} else { + x = 5; + assert(x == 5); +} +assert(x == 2); +``` + +## Loops + +Noir has one kind of loop: the `for` loop. `for` loops allow you to repeat a block of code multiple +times. + +The following block of code between the braces is run 10 times. + +```rust +for i in 0..10 { + // do something +} +``` + +Alternatively, `start..=end` can be used for a range that is inclusive on both ends. + +The index for loops is of type `u64`. + +### Break and Continue + +In unconstrained code, `break` and `continue` are also allowed in `for` loops. These are only allowed +in unconstrained code since normal constrained code requires that Noir knows exactly how many iterations +a loop may have. `break` and `continue` can be used like so: + +```rust +for i in 0 .. 10 { + println("Iteration start") + + if i == 2 { + continue; + } + + if i == 5 { + break; + } + + println(i); +} +println("Loop end") +``` + +When used, `break` will end the current loop early and jump to the statement after the for loop. In the example +above, the `break` will stop the loop and jump to the `println("Loop end")`. + +`continue` will stop the current iteration of the loop, and jump to the start of the next iteration. In the example +above, `continue` will jump to `println("Iteration start")` when used. Note that the loop continues as normal after this. +The iteration variable `i` is still increased by one as normal when `continue` is used. + +`break` and `continue` cannot currently be used to jump out of more than a single loop at a time. diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/data_bus.mdx b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/data_bus.mdx new file mode 100644 index 00000000000..e55e58622ce --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/data_bus.mdx @@ -0,0 +1,23 @@ +--- +title: Data Bus +sidebar_position: 13 +--- +import Experimental from '@site/src/components/Notes/_experimental.mdx'; + + + +The data bus is an optimization that the backend can use to make recursion more efficient. +In order to use it, you must define some inputs of the program entry points (usually the `main()` +function) with the `call_data` modifier, and the return values with the `return_data` modifier. +These modifiers are incompatible with `pub` and `mut` modifiers. + +## Example + +```rust +fn main(mut x: u32, y: call_data u32, z: call_data [u32;4] ) -> return_data u32 { + let a = z[x]; + a+y +} +``` + +As a result, both call_data and return_data will be treated as private inputs and encapsulated into a read-only array each, for the backend to process. diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/data_types/_category_.json b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/data_types/_category_.json new file mode 100644 index 00000000000..5d694210bbf --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/data_types/_category_.json @@ -0,0 +1,5 @@ +{ + "position": 0, + "collapsible": true, + "collapsed": true +} diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/data_types/arrays.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/data_types/arrays.md new file mode 100644 index 00000000000..289145a8c4d --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/data_types/arrays.md @@ -0,0 +1,276 @@ +--- +title: Arrays +description: + Dive into the Array data type in Noir. Grasp its methods, practical examples, and best practices for efficiently using Arrays in your Noir code. +keywords: + [ + noir, + array type, + methods, + examples, + indexing, + ] +sidebar_position: 4 +--- + +An array is one way of grouping together values into one compound type. Array types can be inferred +or explicitly specified via the syntax `[; ]`: + +```rust +fn main(x : Field, y : Field) { + let my_arr = [x, y]; + let your_arr: [Field; 2] = [x, y]; +} +``` + +Here, both `my_arr` and `your_arr` are instantiated as an array containing two `Field` elements. + +Array elements can be accessed using indexing: + +```rust +fn main() { + let a = [1, 2, 3, 4, 5]; + + let first = a[0]; + let second = a[1]; +} +``` + +All elements in an array must be of the same type (i.e. homogeneous). That is, an array cannot group +a `Field` value and a `u8` value together for example. + +You can write mutable arrays, like: + +```rust +fn main() { + let mut arr = [1, 2, 3, 4, 5]; + assert(arr[0] == 1); + + arr[0] = 42; + assert(arr[0] == 42); +} +``` + +You can instantiate a new array of a fixed size with the same value repeated for each element. The following example instantiates an array of length 32 where each element is of type Field and has the value 0. + +```rust +let array: [Field; 32] = [0; 32]; +``` + +Like in Rust, arrays in Noir are a fixed size. However, if you wish to convert an array to a [slice](./slices.mdx), you can just call `as_slice` on your array: + +```rust +let array: [Field; 32] = [0; 32]; +let sl = array.as_slice() +``` + +You can define multidimensional arrays: + +```rust +let array : [[Field; 2]; 2]; +let element = array[0][0]; +``` + +However, multidimensional slices are not supported. For example, the following code will error at compile time: + +```rust +let slice : [[Field]] = &[]; +``` + +## Types + +You can create arrays of primitive types or structs. There is not yet support for nested arrays +(arrays of arrays) or arrays of structs that contain arrays. + +## Methods + +For convenience, the STD provides some ready-to-use, common methods for arrays. +Each of these functions are located within the generic impl `impl [T; N] {`. +So anywhere `self` appears, it refers to the variable `self: [T; N]`. + +### len + +Returns the length of an array + +```rust +fn len(self) -> Field +``` + +example + +```rust +fn main() { + let array = [42, 42]; + assert(array.len() == 2); +} +``` + +### sort + +Returns a new sorted array. The original array remains untouched. Notice that this function will +only work for arrays of fields or integers, not for any arbitrary type. This is because the sorting +logic it uses internally is optimized specifically for these values. If you need a sort function to +sort any type, you should use the function `sort_via` described below. + +```rust +fn sort(self) -> [T; N] +``` + +example + +```rust +fn main() { + let arr = [42, 32]; + let sorted = arr.sort(); + assert(sorted == [32, 42]); +} +``` + +### sort_via + +Sorts the array with a custom comparison function. The ordering function must return true if the first argument should be sorted to be before the second argument or is equal to the second argument. + +Using this method with an operator like `<` that does not return `true` for equal values will result in an assertion failure for arrays with equal elements. + +```rust +fn sort_via(self, ordering: fn(T, T) -> bool) -> [T; N] +``` + +example + +```rust +fn main() { + let arr = [42, 32] + let sorted_ascending = arr.sort_via(|a, b| a <= b); + assert(sorted_ascending == [32, 42]); // verifies + + let sorted_descending = arr.sort_via(|a, b| a >= b); + assert(sorted_descending == [32, 42]); // does not verify +} +``` + +### map + +Applies a function to each element of the array, returning a new array containing the mapped elements. + +```rust +fn map(self, f: fn(T) -> U) -> [U; N] +``` + +example + +```rust +let a = [1, 2, 3]; +let b = a.map(|a| a * 2); // b is now [2, 4, 6] +``` + +### fold + +Applies a function to each element of the array, returning the final accumulated value. The first +parameter is the initial value. + +```rust +fn fold(self, mut accumulator: U, f: fn(U, T) -> U) -> U +``` + +This is a left fold, so the given function will be applied to the accumulator and first element of +the array, then the second, and so on. For a given call the expected result would be equivalent to: + +```rust +let a1 = [1]; +let a2 = [1, 2]; +let a3 = [1, 2, 3]; + +let f = |a, b| a - b; +a1.fold(10, f) //=> f(10, 1) +a2.fold(10, f) //=> f(f(10, 1), 2) +a3.fold(10, f) //=> f(f(f(10, 1), 2), 3) +``` + +example: + +```rust + +fn main() { + let arr = [2, 2, 2, 2, 2]; + let folded = arr.fold(0, |a, b| a + b); + assert(folded == 10); +} + +``` + +### reduce + +Same as fold, but uses the first element as the starting element. + +Requires `self` to be non-empty. + +```rust +fn reduce(self, f: fn(T, T) -> T) -> T +``` + +example: + +```rust +fn main() { + let arr = [2, 2, 2, 2, 2]; + let reduced = arr.reduce(|a, b| a + b); + assert(reduced == 10); +} +``` + +### all + +Returns true if all the elements satisfy the given predicate + +```rust +fn all(self, predicate: fn(T) -> bool) -> bool +``` + +example: + +```rust +fn main() { + let arr = [2, 2, 2, 2, 2]; + let all = arr.all(|a| a == 2); + assert(all); +} +``` + +### any + +Returns true if any of the elements satisfy the given predicate + +```rust +fn any(self, predicate: fn(T) -> bool) -> bool +``` + +example: + +```rust +fn main() { + let arr = [2, 2, 2, 2, 5]; + let any = arr.any(|a| a == 5); + assert(any); +} +``` + +### as_str_unchecked + +Converts a byte array of type `[u8; N]` to a string. Note that this performs no UTF-8 validation - +the given array is interpreted as-is as a string. + +```rust +impl [u8; N] { + pub fn as_str_unchecked(self) -> str +} +``` + +example: + +```rust +fn main() { + let hi = [104, 105].as_str_unchecked(); + assert_eq(hi, "hi"); +} +``` diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/data_types/booleans.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/data_types/booleans.md new file mode 100644 index 00000000000..2507af710e7 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/data_types/booleans.md @@ -0,0 +1,28 @@ +--- +title: Booleans +description: + Delve into the Boolean data type in Noir. Understand its methods, practical examples, and best practices for using Booleans in your Noir programs. +keywords: + [ + noir, + boolean type, + methods, + examples, + logical operations, + ] +sidebar_position: 2 +--- + + +The `bool` type in Noir has two possible values: `true` and `false`: + +```rust +fn main() { + let t = true; + let f: bool = false; +} +``` + +The boolean type is most commonly used in conditionals like `if` expressions and `assert` +statements. More about conditionals is covered in the [Control Flow](../control_flow.md) and +[Assert Function](../assert.md) sections. diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/data_types/fields.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/data_types/fields.md new file mode 100644 index 00000000000..b9b56f7ecc3 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/data_types/fields.md @@ -0,0 +1,246 @@ +--- +title: Fields +description: + Dive deep into the Field data type in Noir. Understand its methods, practical examples, and best practices to effectively use Fields in your Noir programs. +keywords: + [ + noir, + field type, + methods, + examples, + best practices, + ] +sidebar_position: 0 +--- + +The field type corresponds to the native field type of the proving backend. + +The size of a Noir field depends on the elliptic curve's finite field for the proving backend +adopted. For example, a field would be a 254-bit integer when paired with the default backend that +spans the Grumpkin curve. + +Fields support integer arithmetic and are often used as the default numeric type in Noir: + +```rust +fn main(x : Field, y : Field) { + let z = x + y; +} +``` + +`x`, `y` and `z` are all private fields in this example. Using the `let` keyword we defined a new +private value `z` constrained to be equal to `x + y`. + +If proving efficiency is of priority, fields should be used as a default for solving problems. +Smaller integer types (e.g. `u64`) incur extra range constraints. + +## Methods + +After declaring a Field, you can use these common methods on it: + +### to_le_bits + +Transforms the field into an array of bits, Little Endian. + +```rust title="to_le_bits" showLineNumbers +pub fn to_le_bits(self: Self) -> [u1; N] {} +``` +> Source code: noir_stdlib/src/field/mod.nr#L32-L34 + + +example: + +```rust title="to_le_bits_example" showLineNumbers +fn test_to_le_bits() { + let field = 2; + let bits: [u1; 8] = field.to_le_bits(); + assert_eq(bits, [0, 1, 0, 0, 0, 0, 0, 0]); + } +``` +> Source code: noir_stdlib/src/field/mod.nr#L276-L282 + + + +### to_be_bits + +Transforms the field into an array of bits, Big Endian. + +```rust title="to_be_bits" showLineNumbers +pub fn to_be_bits(self: Self) -> [u1; N] {} +``` +> Source code: noir_stdlib/src/field/mod.nr#L48-L50 + + +example: + +```rust title="to_be_bits_example" showLineNumbers +fn test_to_be_bits() { + let field = 2; + let bits: [u1; 8] = field.to_be_bits(); + assert_eq(bits, [0, 0, 0, 0, 0, 0, 1, 0]); + } +``` +> Source code: noir_stdlib/src/field/mod.nr#L267-L273 + + + +### to_le_bytes + +Transforms into an array of bytes, Little Endian + +```rust title="to_le_bytes" showLineNumbers +pub fn to_le_bytes(self: Self) -> [u8; N] { +``` +> Source code: noir_stdlib/src/field/mod.nr#L61-L63 + + +example: + +```rust title="to_le_bytes_example" showLineNumbers +fn test_to_le_bytes() { + let field = 2; + let bytes: [u8; 8] = field.to_le_bytes(); + assert_eq(bytes, [2, 0, 0, 0, 0, 0, 0, 0]); + assert_eq(Field::from_le_bytes::<8>(bytes), field); + } +``` +> Source code: noir_stdlib/src/field/mod.nr#L295-L302 + + +### to_be_bytes + +Transforms into an array of bytes, Big Endian + +```rust title="to_be_bytes" showLineNumbers +pub fn to_be_bytes(self: Self) -> [u8; N] { +``` +> Source code: noir_stdlib/src/field/mod.nr#L94-L96 + + +example: + +```rust title="to_be_bytes_example" showLineNumbers +fn test_to_be_bytes() { + let field = 2; + let bytes: [u8; 8] = field.to_be_bytes(); + assert_eq(bytes, [0, 0, 0, 0, 0, 0, 0, 2]); + assert_eq(Field::from_be_bytes::<8>(bytes), field); + } +``` +> Source code: noir_stdlib/src/field/mod.nr#L285-L292 + + + +### to_le_radix + +Decomposes into an array over the specified base, Little Endian + +```rust title="to_le_radix" showLineNumbers +pub fn to_le_radix(self: Self, radix: u32) -> [u8; N] { + // Brillig does not need an immediate radix + if !crate::runtime::is_unconstrained() { + crate::assert_constant(radix); + } + self.__to_le_radix(radix) + } +``` +> Source code: noir_stdlib/src/field/mod.nr#L118-L126 + + + +example: + +```rust title="to_le_radix_example" showLineNumbers +fn test_to_le_radix() { + let field = 2; + let bytes: [u8; 8] = field.to_le_radix(256); + assert_eq(bytes, [2, 0, 0, 0, 0, 0, 0, 0]); + assert_eq(Field::from_le_bytes::<8>(bytes), field); + } +``` +> Source code: noir_stdlib/src/field/mod.nr#L315-L322 + + + +### to_be_radix + +Decomposes into an array over the specified base, Big Endian + +```rust title="to_be_radix" showLineNumbers +pub fn to_be_radix(self: Self, radix: u32) -> [u8; N] { + // Brillig does not need an immediate radix + if !crate::runtime::is_unconstrained() { + crate::assert_constant(radix); + } + self.__to_be_radix(radix) + } +``` +> Source code: noir_stdlib/src/field/mod.nr#L128-L136 + + +example: + +```rust title="to_be_radix_example" showLineNumbers +fn test_to_be_radix() { + let field = 2; + let bytes: [u8; 8] = field.to_be_radix(256); + assert_eq(bytes, [0, 0, 0, 0, 0, 0, 0, 2]); + assert_eq(Field::from_be_bytes::<8>(bytes), field); + } +``` +> Source code: noir_stdlib/src/field/mod.nr#L305-L312 + + + +### pow_32 + +Returns the value to the power of the specified exponent + +```rust +fn pow_32(self, exponent: Field) -> Field +``` + +example: + +```rust +fn main() { + let field = 2 + let pow = field.pow_32(4); + assert(pow == 16); +} +``` + +### assert_max_bit_size + +Adds a constraint to specify that the field can be represented with `bit_size` number of bits + +```rust title="assert_max_bit_size" showLineNumbers +pub fn assert_max_bit_size(self) { +``` +> Source code: noir_stdlib/src/field/mod.nr#L10-L12 + + +example: + +```rust +fn main() { + let field = 2 + field.assert_max_bit_size(32); +} +``` + +### sgn0 + +Parity of (prime) Field element, i.e. sgn0(x mod p) = 0 if x ∈ \{0, ..., p-1\} is even, otherwise sgn0(x mod p) = 1. + +```rust +fn sgn0(self) -> u1 +``` + + +### lt + +Returns true if the field is less than the other field + +```rust +pub fn lt(self, another: Field) -> bool +``` diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/data_types/function_types.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/data_types/function_types.md new file mode 100644 index 00000000000..f6121af17e2 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/data_types/function_types.md @@ -0,0 +1,26 @@ +--- +title: Function types +sidebar_position: 10 +--- + +Noir supports higher-order functions. The syntax for a function type is as follows: + +```rust +fn(arg1_type, arg2_type, ...) -> return_type +``` + +Example: + +```rust +fn assert_returns_100(f: fn() -> Field) { // f takes no args and returns a Field + assert(f() == 100); +} + +fn main() { + assert_returns_100(|| 100); // ok + assert_returns_100(|| 150); // fails +} +``` + +A function type also has an optional capture environment - this is necessary to support closures. +See [Lambdas](../lambdas.md) for more details. diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/data_types/index.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/data_types/index.md new file mode 100644 index 00000000000..0f2db2b2d75 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/data_types/index.md @@ -0,0 +1,126 @@ +--- +title: Data Types +description: + Get a clear understanding of the two categories of Noir data types - primitive types and compound + types. Learn about their characteristics, differences, and how to use them in your Noir + programming. +keywords: + [ + noir, + data types, + primitive types, + compound types, + private types, + public types, + ] +--- + +Every value in Noir has a type, which determines which operations are valid for it. + +All values in Noir are fundamentally composed of `Field` elements. For a more approachable +developing experience, abstractions are added on top to introduce different data types in Noir. + +Noir has two category of data types: primitive types (e.g. `Field`, integers, `bool`) and compound +types that group primitive types (e.g. arrays, tuples, structs). Each value can either be private or +public. + +## Private & Public Types + +A **private value** is known only to the Prover, while a **public value** is known by both the +Prover and Verifier. Mark values as `private` when the value should only be known to the prover. All +primitive types (including individual fields of compound types) in Noir are private by default, and +can be marked public when certain values are intended to be revealed to the Verifier. + +> **Note:** For public values defined in Noir programs paired with smart contract verifiers, once +> the proofs are verified on-chain the values can be considered known to everyone that has access to +> that blockchain. + +Public data types are treated no differently to private types apart from the fact that their values +will be revealed in proofs generated. Simply changing the value of a public type will not change the +circuit (where the same goes for changing values of private types as well). + +_Private values_ are also referred to as _witnesses_ sometimes. + +> **Note:** The terms private and public when applied to a type (e.g. `pub Field`) have a different +> meaning than when applied to a function (e.g. `pub fn foo() {}`). +> +> The former is a visibility modifier for the Prover to interpret if a value should be made known to +> the Verifier, while the latter is a visibility modifier for the compiler to interpret if a +> function should be made accessible to external Noir programs like in other languages. + +### pub Modifier + +All data types in Noir are private by default. Types are explicitly declared as public using the +`pub` modifier: + +```rust +fn main(x : Field, y : pub Field) -> pub Field { + x + y +} +``` + +In this example, `x` is **private** while `y` and `x + y` (the return value) are **public**. Note +that visibility is handled **per variable**, so it is perfectly valid to have one input that is +private and another that is public. + +> **Note:** Public types can only be declared through parameters on `main`. + +## Type Aliases + +A type alias is a new name for an existing type. Type aliases are declared with the keyword `type`: + +```rust +type Id = u8; + +fn main() { + let id: Id = 1; + let zero: u8 = 0; + assert(zero + 1 == id); +} +``` + +Type aliases can also be used with [generics](../generics.md): + +```rust +type Id = Size; + +fn main() { + let id: Id = 1; + let zero: u32 = 0; + assert(zero + 1 == id); +} +``` + +Type aliases can even refer to other aliases. An error will be issued if they form a cycle: + +```rust +// Ok! +type A = B; +type B = Field; + +type Bad1 = Bad2; + +// error: Dependency cycle found +type Bad2 = Bad1; +// ^^^^^^^^^^^ 'Bad2' recursively depends on itself: Bad2 -> Bad1 -> Bad2 +``` + +By default, like functions, type aliases are private to the module they exist in. You can use `pub` +to make the type alias public or `pub(crate)` to make it public to just its crate: + +```rust +// This type alias is now public +pub type Id = u8; +``` + +## Wildcard Type +Noir can usually infer the type of the variable from the context, so specifying the type of a variable is only required when it cannot be inferred. However, specifying a complex type can be tedious, especially when it has multiple generic arguments. Often some of the generic types can be inferred from the context, and Noir only needs a hint to properly infer the other types. We can partially specify a variable's type by using `_` as a marker, indicating where we still want the compiler to infer the type. + +```rust +let a: [_; 4] = foo(b); +``` + + +### BigInt + +You can achieve BigInt functionality using the [Noir BigInt](https://github.com/shuklaayush/noir-bigint) library. diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/data_types/integers.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/data_types/integers.md new file mode 100644 index 00000000000..a1d59bf3166 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/data_types/integers.md @@ -0,0 +1,156 @@ +--- +title: Integers +description: Explore the Integer data type in Noir. Learn about its methods, see real-world examples, and grasp how to efficiently use Integers in your Noir code. +keywords: [noir, integer types, methods, examples, arithmetic] +sidebar_position: 1 +--- + +An integer type is a range constrained field type. +The Noir frontend supports both unsigned and signed integer types. +The allowed sizes are 1, 8, 16, 32 and 64 bits. + +:::info + +When an integer is defined in Noir without a specific type, it will default to `Field`. + +The one exception is for loop indices which default to `u64` since comparisons on `Field`s are not possible. + +::: + +## Unsigned Integers + +An unsigned integer type is specified first with the letter `u` (indicating its unsigned nature) followed by its bit size (e.g. `8`): + +```rust +fn main() { + let x: u8 = 1; + let y: u8 = 1; + let z = x + y; + assert (z == 2); +} +``` + +The bit size determines the maximum value the integer type can store. For example, a `u8` variable can store a value in the range of 0 to 255 (i.e. $\\2^{8}-1\\$). + +## Signed Integers + +A signed integer type is specified first with the letter `i` (which stands for integer) followed by its bit size (e.g. `8`): + +```rust +fn main() { + let x: i8 = -1; + let y: i8 = -1; + let z = x + y; + assert (z == -2); +} +``` + +The bit size determines the maximum and minimum range of value the integer type can store. For example, an `i8` variable can store a value in the range of -128 to 127 (i.e. $\\-2^{7}\\$ to $\\2^{7}-1\\$). + +## 128 bits Unsigned Integers + +The built-in structure `U128` allows you to use 128-bit unsigned integers almost like a native integer type. However, there are some differences to keep in mind: +- You cannot cast between a native integer and `U128` +- There is a higher performance cost when using `U128`, compared to a native type. + +Conversion between unsigned integer types and U128 are done through the use of `from_integer` and `to_integer` functions. `from_integer` also accepts the `Field` type as input. + +```rust +fn main() { + let x = U128::from_integer(23); + let y = U128::from_hex("0x7"); + let z = x + y; + assert(z.to_integer() == 30); +} +``` + +`U128` is implemented with two 64 bits limbs, representing the low and high bits, which explains the performance cost. You should expect `U128` to be twice more costly for addition and four times more costly for multiplication. +You can construct a U128 from its limbs: +```rust +fn main(x: u64, y: u64) { + let x = U128::from_u64s_be(x,y); + assert(z.hi == x as Field); + assert(z.lo == y as Field); +} +``` + +Note that the limbs are stored as Field elements in order to avoid unnecessary conversions. +Apart from this, most operations will work as usual: + +```rust +fn main(x: U128, y: U128) { + // multiplication + let c = x * y; + // addition and subtraction + let c = c - x + y; + // division + let c = x / y; + // bit operation; + let c = x & y | y; + // bit shift + let c = x << y; + // comparisons; + let c = x < y; + let c = x == y; +} +``` + +## Overflows + +Computations that exceed the type boundaries will result in overflow errors. This happens with both signed and unsigned integers. For example, attempting to prove: + +```rust +fn main(x: u8, y: u8) { + let z = x + y; +} +``` + +With: + +```toml +x = "255" +y = "1" +``` + +Would result in: + +``` +$ nargo execute +error: Assertion failed: 'attempt to add with overflow' +┌─ ~/src/main.nr:9:13 +│ +│ let z = x + y; +│ ----- +│ += Call stack: + ... +``` + +A similar error would happen with signed integers: + +```rust +fn main() { + let x: i8 = -118; + let y: i8 = -11; + let z = x + y; +} +``` + +### Wrapping methods + +Although integer overflow is expected to error, some use-cases rely on wrapping. For these use-cases, the standard library provides `wrapping` variants of certain common operations: + +```rust +fn wrapping_add(x: T, y: T) -> T; +fn wrapping_sub(x: T, y: T) -> T; +fn wrapping_mul(x: T, y: T) -> T; +``` + +Example of how it is used: + +```rust + +fn main(x: u8, y: u8) -> pub u8 { + std::wrapping_add(x, y) +} +``` diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/data_types/references.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/data_types/references.md new file mode 100644 index 00000000000..a5293d11cfb --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/data_types/references.md @@ -0,0 +1,23 @@ +--- +title: References +sidebar_position: 9 +--- + +Noir supports first-class references. References are a bit like pointers: they point to a specific address that can be followed to access the data stored at that address. You can use Rust-like syntax to use pointers in Noir: the `&` operator references the variable, the `*` operator dereferences it. + +Example: + +```rust +fn main() { + let mut x = 2; + + // you can reference x as &mut and pass it to multiplyBy2 + multiplyBy2(&mut x); +} + +// you can access &mut here +fn multiplyBy2(x: &mut Field) { + // and dereference it with * + *x = *x * 2; +} +``` diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/data_types/slices.mdx b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/data_types/slices.mdx new file mode 100644 index 00000000000..cfee564a302 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/data_types/slices.mdx @@ -0,0 +1,358 @@ +--- +title: Slices +description: Explore the Slice data type in Noir. Understand its methods, see real-world examples, and learn how to effectively use Slices in your Noir programs. +keywords: [noir, slice type, methods, examples, subarrays] +sidebar_position: 5 +--- + +import Experimental from '@site/src/components/Notes/_experimental.mdx'; + + + +A slice is a dynamically-sized view into a sequence of elements. They can be resized at runtime, but because they don't own the data, they cannot be returned from a circuit. You can treat slices as arrays without a constrained size. + +```rust +fn main() -> pub u32 { + let mut slice: [Field] = &[0; 2]; + + let mut new_slice = slice.push_back(6); + new_slice.len() +} +``` + +To write a slice literal, use a preceding ampersand as in: `&[0; 2]` or +`&[1, 2, 3]`. + +It is important to note that slices are not references to arrays. In Noir, +`&[..]` is more similar to an immutable, growable vector. + +View the corresponding test file [here][test-file]. + +[test-file]: https://github.com/noir-lang/noir/blob/f387ec1475129732f72ba294877efdf6857135ac/crates/nargo_cli/tests/test_data_ssa_refactor/slices/src/main.nr + +## Methods + +For convenience, the STD provides some ready-to-use, common methods for slices: + +### push_back + +Pushes a new element to the end of the slice, returning a new slice with a length one greater than the original unmodified slice. + +```rust +fn push_back(_self: [T], _elem: T) -> [T] +``` + +example: + +```rust +fn main() -> pub Field { + let mut slice: [Field] = &[0; 2]; + + let mut new_slice = slice.push_back(6); + new_slice.len() +} +``` + +View the corresponding test file [here][test-file]. + +### push_front + +Returns a new array with the specified element inserted at index 0. The existing elements indexes are incremented by 1. + +```rust +fn push_front(_self: Self, _elem: T) -> Self +``` + +Example: + +```rust +let mut new_slice: [Field] = &[]; +new_slice = new_slice.push_front(20); +assert(new_slice[0] == 20); // returns true +``` + +View the corresponding test file [here][test-file]. + +### pop_front + +Returns a tuple of two items, the first element of the array and the rest of the array. + +```rust +fn pop_front(_self: Self) -> (T, Self) +``` + +Example: + +```rust +let (first_elem, rest_of_slice) = slice.pop_front(); +``` + +View the corresponding test file [here][test-file]. + +### pop_back + +Returns a tuple of two items, the beginning of the array with the last element omitted and the last element. + +```rust +fn pop_back(_self: Self) -> (Self, T) +``` + +Example: + +```rust +let (popped_slice, last_elem) = slice.pop_back(); +``` + +View the corresponding test file [here][test-file]. + +### append + +Loops over a slice and adds it to the end of another. + +```rust +fn append(mut self, other: Self) -> Self +``` + +Example: + +```rust +let append = &[1, 2].append(&[3, 4, 5]); +``` + +### insert + +Inserts an element at a specified index and shifts all following elements by 1. + +```rust +fn insert(_self: Self, _index: Field, _elem: T) -> Self +``` + +Example: + +```rust +new_slice = rest_of_slice.insert(2, 100); +assert(new_slice[2] == 100); +``` + +View the corresponding test file [here][test-file]. + +### remove + +Remove an element at a specified index, shifting all elements after it to the left, returning the altered slice and the removed element. + +```rust +fn remove(_self: Self, _index: Field) -> (Self, T) +``` + +Example: + +```rust +let (remove_slice, removed_elem) = slice.remove(3); +``` + +### len + +Returns the length of a slice + +```rust +fn len(self) -> Field +``` + +Example: + +```rust +fn main() { + let slice = &[42, 42]; + assert(slice.len() == 2); +} +``` + +### as_array + +Converts this slice into an array. + +Make sure to specify the size of the resulting array. +Panics if the resulting array length is different than the slice's length. + +```rust +fn as_array(self) -> [T; N] +``` + +Example: + +```rust +fn main() { + let slice = &[5, 6]; + + // Always specify the length of the resulting array! + let array: [Field; 2] = slice.as_array(); + + assert(array[0] == slice[0]); + assert(array[1] == slice[1]); +} +``` + +### map + +Applies a function to each element of the slice, returning a new slice containing the mapped elements. + +```rust +fn map(self, f: fn[Env](T) -> U) -> [U] +``` + +example + +```rust +let a = &[1, 2, 3]; +let b = a.map(|a| a * 2); // b is now &[2, 4, 6] +``` + +### fold + +Applies a function to each element of the slice, returning the final accumulated value. The first +parameter is the initial value. + +```rust +fn fold(self, mut accumulator: U, f: fn[Env](U, T) -> U) -> U +``` + +This is a left fold, so the given function will be applied to the accumulator and first element of +the slice, then the second, and so on. For a given call the expected result would be equivalent to: + +```rust +let a1 = &[1]; +let a2 = &[1, 2]; +let a3 = &[1, 2, 3]; + +let f = |a, b| a - b; +a1.fold(10, f) //=> f(10, 1) +a2.fold(10, f) //=> f(f(10, 1), 2) +a3.fold(10, f) //=> f(f(f(10, 1), 2), 3) +``` + +example: + +```rust + +fn main() { + let slice = &[2, 2, 2, 2, 2]; + let folded = slice.fold(0, |a, b| a + b); + assert(folded == 10); +} + +``` + +### reduce + +Same as fold, but uses the first element as the starting element. + +```rust +fn reduce(self, f: fn[Env](T, T) -> T) -> T +``` + +example: + +```rust +fn main() { + let slice = &[2, 2, 2, 2, 2]; + let reduced = slice.reduce(|a, b| a + b); + assert(reduced == 10); +} +``` + +### filter + +Returns a new slice containing only elements for which the given predicate returns true. + +```rust +fn filter(self, f: fn[Env](T) -> bool) -> Self +``` + +example: + +```rust +fn main() { + let slice = &[1, 2, 3, 4, 5]; + let odds = slice.filter(|x| x % 2 == 1); + assert_eq(odds, &[1, 3, 5]); +} +``` + +### join + +Flatten each element in the slice into one value, separated by `separator`. + +Note that although slices implement `Append`, `join` cannot be used on slice +elements since nested slices are prohibited. + +```rust +fn join(self, separator: T) -> T where T: Append +``` + +example: + +```rust +struct Accumulator { + total: Field, +} + +// "Append" two accumulators by adding them +impl Append for Accumulator { + fn empty() -> Self { + Self { total: 0 } + } + + fn append(self, other: Self) -> Self { + Self { total: self.total + other.total } + } +} + +fn main() { + let slice = &[1, 2, 3, 4, 5].map(|total| Accumulator { total }); + + let result = slice.join(Accumulator::empty()); + assert_eq(result, Accumulator { total: 15 }); + + // We can use a non-empty separator to insert additional elements to sum: + let separator = Accumulator { total: 10 }; + let result = slice.join(separator); + assert_eq(result, Accumulator { total: 55 }); +} +``` + +### all + +Returns true if all the elements satisfy the given predicate + +```rust +fn all(self, predicate: fn[Env](T) -> bool) -> bool +``` + +example: + +```rust +fn main() { + let slice = &[2, 2, 2, 2, 2]; + let all = slice.all(|a| a == 2); + assert(all); +} +``` + +### any + +Returns true if any of the elements satisfy the given predicate + +```rust +fn any(self, predicate: fn[Env](T) -> bool) -> bool +``` + +example: + +```rust +fn main() { + let slice = &[2, 2, 2, 2, 5]; + let any = slice.any(|a| a == 5); + assert(any); +} + +``` diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/data_types/strings.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/data_types/strings.md new file mode 100644 index 00000000000..1fdee42425e --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/data_types/strings.md @@ -0,0 +1,79 @@ +--- +title: Strings +description: + Discover the String data type in Noir. Learn about its methods, see real-world examples, and understand how to effectively manipulate and use Strings in Noir. +keywords: + [ + noir, + string type, + methods, + examples, + concatenation, + ] +sidebar_position: 3 +--- + + +The string type is a fixed length value defined with `str`. + +You can use strings in `assert()` functions or print them with +`println()`. See more about [Logging](../../standard_library/logging.md). + +```rust + +fn main(message : pub str<11>, hex_as_string : str<4>) { + println(message); + assert(message == "hello world"); + assert(hex_as_string == "0x41"); +} +``` + +You can convert a `str` to a byte array by calling `as_bytes()` +or a vector by calling `as_bytes_vec()`. + +```rust +fn main() { + let message = "hello world"; + let message_bytes = message.as_bytes(); + let mut message_vec = message.as_bytes_vec(); + assert(message_bytes.len() == 11); + assert(message_bytes[0] == 104); + assert(message_bytes[0] == message_vec.get(0)); +} +``` + +## Escape characters + +You can use escape characters for your strings: + +| Escape Sequence | Description | +|-----------------|-----------------| +| `\r` | Carriage Return | +| `\n` | Newline | +| `\t` | Tab | +| `\0` | Null Character | +| `\"` | Double Quote | +| `\\` | Backslash | + +Example: + +```rust +let s = "Hello \"world" // prints "Hello "world" +let s = "hey \tyou"; // prints "hey you" +``` + +## Raw strings + +A raw string begins with the letter `r` and is optionally delimited by a number of hashes `#`. + +Escape characters are *not* processed within raw strings. All contents are interpreted literally. + +Example: + +```rust +let s = r"Hello world"; +let s = r#"Simon says "hello world""#; + +// Any number of hashes may be used (>= 1) as long as the string also terminates with the same number of hashes +let s = r#####"One "#, Two "##, Three "###, Four "####, Five will end the string."#####; +``` diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/data_types/structs.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/data_types/structs.md new file mode 100644 index 00000000000..29951ae843a --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/data_types/structs.md @@ -0,0 +1,96 @@ +--- +title: Structs +description: + Explore the Struct data type in Noir. Learn about its methods, see real-world examples, and grasp how to effectively define and use Structs in your Noir programs. +keywords: + [ + noir, + struct type, + methods, + examples, + data structures, + ] +sidebar_position: 8 +--- + +A struct also allows for grouping multiple values of different types. Unlike tuples, we can also +name each field. + +> **Note:** The usage of _field_ here refers to each element of the struct and is unrelated to the +> field type of Noir. + +Defining a struct requires giving it a name and listing each field within as `: ` pairs: + +```rust +struct Animal { + hands: Field, + legs: Field, + eyes: u8, +} +``` + +An instance of a struct can then be created with actual values in `: ` pairs in any +order. Struct fields are accessible using their given names: + +```rust +fn main() { + let legs = 4; + + let dog = Animal { + eyes: 2, + hands: 0, + legs, + }; + + let zero = dog.hands; +} +``` + +Structs can also be destructured in a pattern, binding each field to a new variable: + +```rust +fn main() { + let Animal { hands, legs: feet, eyes } = get_octopus(); + + let ten = hands + feet + eyes as u8; +} + +fn get_octopus() -> Animal { + let octopus = Animal { + hands: 0, + legs: 8, + eyes: 2, + }; + + octopus +} +``` + +The new variables can be bound with names different from the original struct field names, as +showcased in the `legs --> feet` binding in the example above. + +### Visibility + +By default, like functions, structs are private to the module they exist in. You can use `pub` +to make the struct public or `pub(crate)` to make it public to just its crate: + +```rust +// This struct is now public +pub struct Animal { + hands: Field, + legs: Field, + eyes: u8, +} +``` + +The same applies to struct fields: by default they are private to the module they exist in, +but they can be made `pub` or `pub(crate)`: + +```rust +// This struct is now public +pub struct Animal { + hands: Field, // private to its module + pub(crate) legs: Field, // accessible from the entire crate + pub eyes: u8, // accessible from anywhere +} +``` \ No newline at end of file diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/data_types/tuples.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/data_types/tuples.md new file mode 100644 index 00000000000..2ec5c9c4113 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/data_types/tuples.md @@ -0,0 +1,48 @@ +--- +title: Tuples +description: + Dive into the Tuple data type in Noir. Understand its methods, practical examples, and best practices for efficiently using Tuples in your Noir code. +keywords: + [ + noir, + tuple type, + methods, + examples, + multi-value containers, + ] +sidebar_position: 7 +--- + +A tuple collects multiple values like an array, but with the added ability to collect values of +different types: + +```rust +fn main() { + let tup: (u8, u64, Field) = (255, 500, 1000); +} +``` + +One way to access tuple elements is via destructuring using pattern matching: + +```rust +fn main() { + let tup = (1, 2); + + let (one, two) = tup; + + let three = one + two; +} +``` + +Another way to access tuple elements is via direct member access, using a period (`.`) followed by +the index of the element we want to access. Index `0` corresponds to the first tuple element, `1` to +the second and so on: + +```rust +fn main() { + let tup = (5, 6, 7, 8); + + let five = tup.0; + let eight = tup.3; +} +``` diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/functions.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/functions.md new file mode 100644 index 00000000000..f656cdfd97a --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/functions.md @@ -0,0 +1,226 @@ +--- +title: Functions +description: + Learn how to declare functions and methods in Noir, a programming language with Rust semantics. + This guide covers parameter declaration, return types, call expressions, and more. +keywords: [Noir, Rust, functions, methods, parameter declaration, return types, call expressions] +sidebar_position: 1 +--- + +Functions in Noir follow the same semantics of Rust, though Noir does not support early returns. + +To declare a function the `fn` keyword is used. + +```rust +fn foo() {} +``` + +By default, functions are visible only within the package they are defined. To make them visible outside of that package (for example, as part of a [library](../modules_packages_crates/crates_and_packages.md#libraries)), you should mark them as `pub`: + +```rust +pub fn foo() {} +``` + +You can also restrict the visibility of the function to only the crate it was defined in, by specifying `pub(crate)`: + +```rust +pub(crate) fn foo() {} //foo can only be called within its crate +``` + +All parameters in a function must have a type and all types are known at compile time. The parameter +is pre-pended with a colon and the parameter type. Multiple parameters are separated using a comma. + +```rust +fn foo(x : Field, y : Field){} +``` + +The return type of a function can be stated by using the `->` arrow notation. The function below +states that the foo function must return a `Field`. If the function returns no value, then the arrow +is omitted. + +```rust +fn foo(x : Field, y : Field) -> Field { + x + y +} +``` + +Note that a `return` keyword is unneeded in this case - the last expression in a function's body is +returned. + +## Main function + +If you're writing a binary, the `main` function is the starting point of your program. You can pass all types of expressions to it, as long as they have a fixed size at compile time: + +```rust +fn main(x : Field) // this is fine: passing a Field +fn main(x : [Field; 2]) // this is also fine: passing a Field with known size at compile-time +fn main(x : (Field, bool)) // 👌: passing a (Field, bool) tuple means size 2 +fn main(x : str<5>) // this is fine, as long as you pass a string of size 5 + +fn main(x : Vec) // can't compile, has variable size +fn main(x : [Field]) // can't compile, has variable size +fn main(....// i think you got it by now +``` + +Keep in mind [tests](../../tooling/testing.md) don't differentiate between `main` and any other function. The following snippet passes tests, but won't compile or prove: + +```rust +fn main(x : [Field]) { + assert(x[0] == 1); +} + +#[test] +fn test_one() { + main(&[1, 2]); +} +``` + +```bash +$ nargo test +[testing] Running 1 test functions +[testing] Testing test_one... ok +[testing] All tests passed + +$ nargo check +The application panicked (crashed). +Message: Cannot have variable sized arrays as a parameter to main +``` + +## Call Expressions + +Calling a function in Noir is executed by using the function name and passing in the necessary +arguments. + +Below we show how to call the `foo` function from the `main` function using a call expression: + +```rust +fn main(x : Field, y : Field) { + let z = foo(x); +} + +fn foo(x : Field) -> Field { + x + x +} +``` + +## Methods + +You can define methods in Noir on any struct type in scope. + +```rust +struct MyStruct { + foo: Field, + bar: Field, +} + +impl MyStruct { + fn new(foo: Field) -> MyStruct { + MyStruct { + foo, + bar: 2, + } + } + + fn sum(self) -> Field { + self.foo + self.bar + } +} + +fn main() { + let s = MyStruct::new(40); + assert(s.sum() == 42); +} +``` + +Methods are just syntactic sugar for functions, so if we wanted to we could also call `sum` as +follows: + +```rust +assert(MyStruct::sum(s) == 42); +``` + +It is also possible to specialize which method is chosen depending on the [generic](./generics.md) type that is used. In this example, the `foo` function returns different values depending on its type: + +```rust +struct Foo {} + +impl Foo { + fn foo(self) -> Field { 1 } +} + +impl Foo { + fn foo(self) -> Field { 2 } +} + +fn main() { + let f1: Foo = Foo{}; + let f2: Foo = Foo{}; + assert(f1.foo() + f2.foo() == 3); +} +``` + +Also note that impls with the same method name defined in them cannot overlap. For example, if we already have `foo` defined for `Foo` and `Foo` like we do above, we cannot also define `foo` in an `impl Foo` since it would be ambiguous which version of `foo` to choose. + +```rust +// Including this impl in the same project as the above snippet would +// cause an overlapping impls error +impl Foo { + fn foo(self) -> Field { 3 } +} +``` + +## Lambdas + +Lambdas are anonymous functions. They follow the syntax of Rust - `|arg1, arg2, ..., argN| return_expression`. + +```rust +let add_50 = |val| val + 50; +assert(add_50(100) == 150); +``` + +See [Lambdas](./lambdas.md) for more details. + +## Attributes + +Attributes are metadata that can be applied to a function, using the following syntax: `#[attribute(value)]`. + +Supported attributes include: + +- **builtin**: the function is implemented by the compiler, for efficiency purposes. +- **deprecated**: mark the function as _deprecated_. Calling the function will generate a warning: `warning: use of deprecated function` +- **field**: Used to enable conditional compilation of code depending on the field size. See below for more details +- **oracle**: mark the function as _oracle_; meaning it is an external unconstrained function, implemented in noir_js. See [Unconstrained](./unconstrained.md) and [NoirJS](../../reference/NoirJS/noir_js/index.md) for more details. +- **test**: mark the function as unit tests. See [Tests](../../tooling/testing.md) for more details + +### Field Attribute + +The field attribute defines which field the function is compatible for. The function is conditionally compiled, under the condition that the field attribute matches the Noir native field. +The field can be defined implicitly, by using the name of the elliptic curve usually associated to it - for instance bn254, bls12_381 - or explicitly by using the field (prime) order, in decimal or hexadecimal form. +As a result, it is possible to define multiple versions of a function with each version specialized for a different field attribute. This can be useful when a function requires different parameters depending on the underlying elliptic curve. + +Example: we define the function `foo()` three times below. Once for the default Noir bn254 curve, once for the field $\mathbb F_{23}$, which will normally never be used by Noir, and once again for the bls12_381 curve. + +```rust +#[field(bn254)] +fn foo() -> u32 { + 1 +} + +#[field(23)] +fn foo() -> u32 { + 2 +} + +// This commented code would not compile as foo would be defined twice because it is the same field as bn254 +// #[field(21888242871839275222246405745257275088548364400416034343698204186575808495617)] +// fn foo() -> u32 { +// 2 +// } + +#[field(bls12_381)] +fn foo() -> u32 { + 3 +} +``` + +If the field name is not known to Noir, it will discard the function. Field names are case insensitive. diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/generics.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/generics.md new file mode 100644 index 00000000000..c180a0ce7e6 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/generics.md @@ -0,0 +1,251 @@ +--- +title: Generics +description: Learn how to use Generics in Noir +keywords: [Noir, Rust, generics, functions, structs] +sidebar_position: 7 +--- + +Generics allow you to use the same functions with multiple different concrete data types. You can +read more about the concept of generics in the Rust documentation +[here](https://doc.rust-lang.org/book/ch10-01-syntax.html). + +Here is a trivial example showing the identity function that supports any type. In Rust, it is +common to refer to the most general type as `T`. We follow the same convention in Noir. + +```rust +fn id(x: T) -> T { + x +} +``` + +## Numeric Generics + +If we want to be generic over array lengths (which are type-level integers), we can use numeric +generics. Using these looks similar to using regular generics, but introducing them into scope +requires declaring them with `let MyGenericName: IntegerType`. This can be done anywhere a normal +generic is declared. Instead of types, these generics resolve to integers at compile-time. +Here's an example of a struct that is generic over the size of the array it contains internally: + +```rust +struct BigInt { + limbs: [u32; N], +} + +impl BigInt { + // `N` is in scope of all methods in the impl + fn first(first: BigInt, second: BigInt) -> Self { + assert(first.limbs != second.limbs); + first + + fn second(first: BigInt, second: Self) -> Self { + assert(first.limbs != second.limbs); + second + } +} +``` + +## In Structs + +Generics are useful for specifying types in structs. For example, we can specify that a field in a +struct will be of a certain generic type. In this case `value` is of type `T`. + +```rust +struct RepeatedValue { + value: T, + count: Field, +} + +impl RepeatedValue { + fn print(self) { + for _i in 0 .. self.count { + println(self.value); + } + } +} + +fn main() { + let repeated = RepeatedValue { value: "Hello!", count: 2 }; + repeated.print(); +} +``` + +The `print` function will print `Hello!` an arbitrary number of times, twice in this case. + +## Calling functions on generic parameters + +Since a generic type `T` can represent any type, how can we call functions on the underlying type? +In other words, how can we go from "any type `T`" to "any type `T` that has certain methods available?" + +This is what [traits](../concepts/traits.md) are for in Noir. Here's an example of a function generic over +any type `T` that implements the `Eq` trait for equality: + +```rust +fn first_element_is_equal(array1: [T; N], array2: [T; N]) -> bool + where T: Eq +{ + if (array1.len() == 0) | (array2.len() == 0) { + true + } else { + array1[0] == array2[0] + } +} + +fn main() { + assert(first_element_is_equal([1, 2, 3], [1, 5, 6])); + + // We can use first_element_is_equal for arrays of any type + // as long as we have an Eq impl for the types we pass in + let array = [MyStruct::new(), MyStruct::new()]; + assert(array_eq(array, array, MyStruct::eq)); +} + +impl Eq for MyStruct { + fn eq(self, other: MyStruct) -> bool { + self.foo == other.foo + } +} +``` + +You can find more details on traits and trait implementations on the [traits page](../concepts/traits.md). + +## Manually Specifying Generics with the Turbofish Operator + +There are times when the compiler cannot reasonably infer what type should be used for a generic, or when the developer themselves may want to manually distinguish generic type parameters. This is where the `::<>` turbofish operator comes into play. + +The `::<>` operator can follow a variable or path and can be used to manually specify generic arguments within the angle brackets. +The name "turbofish" comes from that `::<>` looks like a little fish. + +Examples: +```rust +fn main() { + let mut slice = []; + slice = slice.push_back(1); + slice = slice.push_back(2); + // Without turbofish a type annotation would be needed on the left hand side + let array = slice.as_array::<2>(); +} +``` + + +```rust +trait MyTrait { + fn ten() -> Self; +} + +impl MyTrait for Field { + fn ten() -> Self { 10 } +} + +struct Foo { + inner: T +} + +impl Foo { + fn generic_method(_self: Self) -> U where U: MyTrait { + U::ten() + } +} + +fn example() { + let foo: Foo = Foo { inner: 1 }; + // Using a type other than `Field` here (e.g. u32) would fail as + // there is no matching impl for `u32: MyTrait`. + // + // Substituting the `10` on the left hand side of this assert + // with `10 as u32` would also fail with a type mismatch as we + // are expecting a `Field` from the right hand side. + assert(10 as u32 == foo.generic_method::()); +} +``` + +## Arithmetic Generics + +In addition to numeric generics, Noir also allows a limited form of arithmetic on generics. +When you have a numeric generic such as `N`, you can use the following operators on it in a +type position: `+`, `-`, `*`, `/`, and `%`. + +Note that type checking arithmetic generics is a best effort guess from the compiler and there +are many cases of types that are equal that the compiler may not see as such. For example, +we know that `T * (N + M)` should be equal to `T*N + T*M` but the compiler does not currently +apply the distributive law and thus sees these as different types. + +Even with this limitation though, the compiler can handle common cases decently well: + +```rust +trait Serialize { + fn serialize(self) -> [Field; N]; +} + +impl Serialize<1> for Field { + fn serialize(self) -> [Field; 1] { + [self] + } +} + +impl Serialize for [T; N] + where T: Serialize { .. } + +impl Serialize for (T, U) + where T: Serialize, U: Serialize { .. } + +fn main() { + let data = (1, [2, 3, 4]); + assert_eq(data.serialize().len(), 4); +} +``` + +Note that if there is any over or underflow the types will fail to unify: + +```rust title="underflow-example" showLineNumbers +fn pop(array: [Field; N]) -> [Field; N - 1] { + let mut result: [Field; N - 1] = std::mem::zeroed(); + for i in 0..N - 1 { + result[i] = array[i]; + } + result +} + +fn main() { + // error: Could not determine array length `(0 - 1)` + pop([]); +} +``` +> Source code: test_programs/compile_failure/arithmetic_generics_underflow/src/main.nr#L1-L14 + + +This also applies if there is underflow in an intermediate calculation: + +```rust title="intermediate-underflow-example" showLineNumbers +fn main() { + // From main it looks like there's nothing sketchy going on + seems_fine([]); +} + +// Since `seems_fine` says it can receive and return any length N +fn seems_fine(array: [Field; N]) -> [Field; N] { + // But inside `seems_fine` we pop from the array which + // requires the length to be greater than zero. + + // error: Could not determine array length `(0 - 1)` + push_zero(pop(array)) +} + +fn pop(array: [Field; N]) -> [Field; N - 1] { + let mut result: [Field; N - 1] = std::mem::zeroed(); + for i in 0..N - 1 { + result[i] = array[i]; + } + result +} + +fn push_zero(array: [Field; N]) -> [Field; N + 1] { + let mut result: [Field; N + 1] = std::mem::zeroed(); + for i in 0..N { + result[i] = array[i]; + } + // index N is already zeroed + result +} +``` +> Source code: test_programs/compile_failure/arithmetic_generics_intermediate_underflow/src/main.nr#L1-L32 + diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/globals.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/globals.md new file mode 100644 index 00000000000..6b8314399a2 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/globals.md @@ -0,0 +1,82 @@ +--- +title: Global Variables +description: + Learn about global variables in Noir. Discover how + to declare, modify, and use them in your programs. +keywords: [noir programming language, globals, global variables, constants] +sidebar_position: 8 +--- + +## Globals + + +Noir supports global variables. The global's type can be inferred by the compiler entirely: + +```rust +global N = 5; // Same as `global N: Field = 5` + +global TUPLE = (3, 2); + +fn main() { + assert(N == 5); + assert(N == TUPLE.0 + TUPLE.1); +} +``` + +:::info + +Globals can be defined as any expression, so long as they don't depend on themselves - otherwise there would be a dependency cycle! For example: + +```rust +global T = foo(T); // dependency error +``` + +::: + + +If they are initialized to a literal integer, globals can be used to specify an array's length: + +```rust +global N: u32 = 2; + +fn main(y : [Field; N]) { + assert(y[0] == y[1]) +} +``` + +A global from another module can be imported or referenced externally like any other name: + +```rust +global N = 20; + +fn main() { + assert(my_submodule::N != N); +} + +mod my_submodule { + global N: Field = 10; +} +``` + +When a global is used, Noir replaces the name with its definition on each occurrence. +This means globals defined using function calls will repeat the call each time they're used: + +```rust +global RESULT = foo(); + +fn foo() -> [Field; 100] { ... } +``` + +This is usually fine since Noir will generally optimize any function call that does not +refer to a program input into a constant. It should be kept in mind however, if the called +function performs side-effects like `println`, as these will still occur on each use. + +### Visibility + +By default, like functions, globals are private to the module they exist in. You can use `pub` +to make the global public or `pub(crate)` to make it public to just its crate: + +```rust +// This global is now public +pub global N = 5; +``` \ No newline at end of file diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/lambdas.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/lambdas.md new file mode 100644 index 00000000000..be3c7e0b5ca --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/lambdas.md @@ -0,0 +1,81 @@ +--- +title: Lambdas +description: Learn how to use anonymous functions in Noir programming language. +keywords: [Noir programming language, lambda, closure, function, anonymous function] +sidebar_position: 9 +--- + +## Introduction + +Lambdas are anonymous functions. The syntax is `|arg1, arg2, ..., argN| return_expression`. + +```rust +let add_50 = |val| val + 50; +assert(add_50(100) == 150); +``` + +A block can be used as the body of a lambda, allowing you to declare local variables inside it: + +```rust +let cool = || { + let x = 100; + let y = 100; + x + y +} + +assert(cool() == 200); +``` + +## Closures + +Inside the body of a lambda, you can use variables defined in the enclosing function. Such lambdas are called **closures**. In this example `x` is defined inside `main` and is accessed from within the lambda: + +```rust +fn main() { + let x = 100; + let closure = || x + 150; + assert(closure() == 250); +} +``` + +## Passing closures to higher-order functions + +It may catch you by surprise that the following code fails to compile: + +```rust +fn foo(f: fn () -> Field) -> Field { + f() +} + +fn main() { + let (x, y) = (50, 50); + assert(foo(|| x + y) == 100); // error :( +} +``` + +The reason is that the closure's capture environment affects its type - we have a closure that captures two Fields and `foo` +expects a regular function as an argument - those are incompatible. +:::note + +Variables contained within the `||` are the closure's parameters, and the expression that follows it is the closure's body. The capture environment is comprised of any variables used in the closure's body that are not parameters. + +E.g. in |x| x + y, y would be a captured variable, but x would not be, since it is a parameter of the closure. + +::: +The syntax for the type of a closure is `fn[env](args) -> ret_type`, where `env` is the capture environment of the closure - +in this example that's `(Field, Field)`. + +The best solution in our case is to make `foo` generic over the environment type of its parameter, so that it can be called +with closures with any environment, as well as with regular functions: + +```rust +fn foo(f: fn[Env]() -> Field) -> Field { + f() +} + +fn main() { + let (x, y) = (50, 50); + assert(foo(|| x + y) == 100); // compiles fine + assert(foo(|| 60) == 60); // compiles fine +} +``` diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/mutability.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/mutability.md new file mode 100644 index 00000000000..fdeef6a87c5 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/mutability.md @@ -0,0 +1,121 @@ +--- +title: Mutability +description: + Learn about mutable variables in Noir. Discover how + to declare, modify, and use them in your programs. +keywords: [noir programming language, mutability in noir, mutable variables] +sidebar_position: 8 +--- + +Variables in noir can be declared mutable via the `mut` keyword. Mutable variables can be reassigned +to via an assignment expression. + +```rust +let x = 2; +x = 3; // error: x must be mutable to be assigned to + +let mut y = 3; +let y = 4; // OK +``` + +The `mut` modifier can also apply to patterns: + +```rust +let (a, mut b) = (1, 2); +a = 11; // error: a must be mutable to be assigned to +b = 12; // OK + +let mut (c, d) = (3, 4); +c = 13; // OK +d = 14; // OK + +// etc. +let MyStruct { x: mut y } = MyStruct { x: a }; +// y is now in scope +``` + +Note that mutability in noir is local and everything is passed by value, so if a called function +mutates its parameters then the parent function will keep the old value of the parameters. + +```rust +fn main() -> pub Field { + let x = 3; + helper(x); + x // x is still 3 +} + +fn helper(mut x: i32) { + x = 4; +} +``` + +## Non-local mutability + +Non-local mutability can be achieved through the mutable reference type `&mut T`: + +```rust +fn set_to_zero(x: &mut Field) { + *x = 0; +} + +fn main() { + let mut y = 42; + set_to_zero(&mut y); + assert(*y == 0); +} +``` + +When creating a mutable reference, the original variable being referred to (`y` in this +example) must also be mutable. Since mutable references are a reference type, they must +be explicitly dereferenced via `*` to retrieve the underlying value. Note that this yields +a copy of the value, so mutating this copy will not change the original value behind the +reference: + +```rust +fn main() { + let mut x = 1; + let x_ref = &mut x; + + let mut y = *x_ref; + let y_ref = &mut y; + + x = 2; + *x_ref = 3; + + y = 4; + *y_ref = 5; + + assert(x == 3); + assert(*x_ref == 3); + assert(y == 5); + assert(*y_ref == 5); +} +``` + +Note that types in Noir are actually deeply immutable so the copy that occurs when +dereferencing is only a conceptual copy - no additional constraints will occur. + +Mutable references can also be stored within structs. Note that there is also +no lifetime parameter on these unlike rust. This is because the allocated memory +always lasts the entire program - as if it were an array of one element. + +```rust +struct Foo { + x: &mut Field +} + +impl Foo { + fn incr(mut self) { + *self.x += 1; + } +} + +fn main() { + let foo = Foo { x: &mut 0 }; + foo.incr(); + assert(*foo.x == 1); +} +``` + +In general, you should avoid non-local & shared mutability unless it is needed. Sticking +to only local mutability will improve readability and potentially improve compiler optimizations as well. diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/ops.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/ops.md new file mode 100644 index 00000000000..c35c36c38a9 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/ops.md @@ -0,0 +1,98 @@ +--- +title: Logical Operations +description: + Learn about the supported arithmetic and logical operations in the Noir programming language. + Discover how to perform operations on private input types, integers, and booleans. +keywords: + [ + Noir programming language, + supported operations, + arithmetic operations, + logical operations, + predicate operators, + bitwise operations, + short-circuiting, + backend, + ] +sidebar_position: 3 +--- + +# Operations + +## Table of Supported Operations + +| Operation | Description | Requirements | +| :-------- | :------------------------------------------------------------: | -------------------------------------: | +| + | Adds two private input types together | Types must be private input | +| - | Subtracts two private input types together | Types must be private input | +| \* | Multiplies two private input types together | Types must be private input | +| / | Divides two private input types together | Types must be private input | +| ^ | XOR two private input types together | Types must be integer | +| & | AND two private input types together | Types must be integer | +| \| | OR two private input types together | Types must be integer | +| \<\< | Left shift an integer by another integer amount | Types must be integer, shift must be u8 | +| >> | Right shift an integer by another integer amount | Types must be integer, shift must be u8 | +| ! | Bitwise not of a value | Type must be integer or boolean | +| \< | returns a bool if one value is less than the other | Upper bound must have a known bit size | +| \<= | returns a bool if one value is less than or equal to the other | Upper bound must have a known bit size | +| > | returns a bool if one value is more than the other | Upper bound must have a known bit size | +| >= | returns a bool if one value is more than or equal to the other | Upper bound must have a known bit size | +| == | returns a bool if one value is equal to the other | Both types must not be constants | +| != | returns a bool if one value is not equal to the other | Both types must not be constants | + +### Predicate Operators + +`<,<=, !=, == , >, >=` are known as predicate/comparison operations because they compare two values. +This differs from the operations such as `+` where the operands are used in _computation_. + +### Bitwise Operations Example + +```rust +fn main(x : Field) { + let y = x as u32; + let z = y & y; +} +``` + +`z` is implicitly constrained to be the result of `y & y`. The `&` operand is used to denote bitwise +`&`. + +> `x & x` would not compile as `x` is a `Field` and not an integer type. + +### Logical Operators + +Noir has no support for the logical operators `||` and `&&`. This is because encoding the +short-circuiting that these operators require can be inefficient for Noir's backend. Instead you can +use the bitwise operators `|` and `&` which operate identically for booleans, just without the +short-circuiting. + +```rust +let my_val = 5; + +let mut flag = 1; +if (my_val > 6) | (my_val == 0) { + flag = 0; +} +assert(flag == 1); + +if (my_val != 10) & (my_val < 50) { + flag = 0; +} +assert(flag == 0); +``` + +### Shorthand operators + +Noir shorthand operators for most of the above operators, namely `+=, -=, *=, /=, %=, &=, |=, ^=, <<=`, and `>>=`. These allow for more concise syntax. For example: + +```rust +let mut i = 0; +i = i + 1; +``` + +could be written as: + +```rust +let mut i = 0; +i += 1; +``` diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/oracles.mdx b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/oracles.mdx new file mode 100644 index 00000000000..77a2ac1550a --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/oracles.mdx @@ -0,0 +1,29 @@ +--- +title: Oracles +description: Dive into how Noir supports Oracles via RPC calls, and learn how to declare an Oracle in Noir with our comprehensive guide. +keywords: + - Noir + - Oracles + - RPC Calls + - Unconstrained Functions + - Programming + - Blockchain +sidebar_position: 6 +--- + +import Experimental from '@site/src/components/Notes/_experimental.mdx'; + + + +Noir has support for Oracles via RPC calls. This means Noir will make an RPC call and use the return value for proof generation. + +Since Oracles are not resolved by Noir, they are [`unconstrained` functions](./unconstrained.md) + +You can declare an Oracle through the `#[oracle()]` flag. Example: + +```rust +#[oracle(get_number_sequence)] +unconstrained fn get_number_sequence(_size: Field) -> [Field] {} +``` + +The timeout for when using an external RPC oracle resolver can be set with the `NARGO_FOREIGN_CALL_TIMEOUT` environment variable. This timeout is in units of milliseconds. diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/shadowing.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/shadowing.md new file mode 100644 index 00000000000..5ce6130d201 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/shadowing.md @@ -0,0 +1,44 @@ +--- +title: Shadowing +sidebar_position: 12 +--- + +Noir allows for inheriting variables' values and re-declaring them with the same name similar to Rust, known as shadowing. + +For example, the following function is valid in Noir: + +```rust +fn main() { + let x = 5; + + { + let x = x * 2; + assert (x == 10); + } + + assert (x == 5); +} +``` + +In this example, a variable x is first defined with the value 5. + +The local scope that follows shadows the original x, i.e. creates a local mutable x based on the value of the original x. It is given a value of 2 times the original x. + +When we return to the main scope, x once again refers to just the original x, which stays at the value of 5. + +## Temporal mutability + +One way that shadowing is useful, in addition to ergonomics across scopes, is for temporarily mutating variables. + +```rust +fn main() { + let age = 30; + // age = age + 5; // Would error as `age` is immutable by default. + + let mut age = age + 5; // Temporarily mutates `age` with a new value. + + let age = age; // Locks `age`'s mutability again. + + assert (age == 35); +} +``` diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/traits.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/traits.md new file mode 100644 index 00000000000..9da00a77587 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/traits.md @@ -0,0 +1,501 @@ +--- +title: Traits +description: + Traits in Noir can be used to abstract out a common interface for functions across + several data types. +keywords: [noir programming language, traits, interfaces, generic, protocol] +sidebar_position: 14 +--- + +## Overview + +Traits in Noir are a useful abstraction similar to interfaces or protocols in other languages. Each trait defines +the interface of several methods contained within the trait. Types can then implement this trait by providing +implementations for these methods. For example in the program: + +```rust +struct Rectangle { + width: Field, + height: Field, +} + +impl Rectangle { + fn area(self) -> Field { + self.width * self.height + } +} + +fn log_area(r: Rectangle) { + println(r.area()); +} +``` + +We have a function `log_area` to log the area of a `Rectangle`. Now how should we change the program if we want this +function to work on `Triangle`s as well?: + +```rust +struct Triangle { + width: Field, + height: Field, +} + +impl Triangle { + fn area(self) -> Field { + self.width * self.height / 2 + } +} +``` + +Making `log_area` generic over all types `T` would be invalid since not all types have an `area` method. Instead, we can +introduce a new `Area` trait and make `log_area` generic over all types `T` that implement `Area`: + +```rust +trait Area { + fn area(self) -> Field; +} + +fn log_area(shape: T) where T: Area { + println(shape.area()); +} +``` + +We also need to explicitly implement `Area` for `Rectangle` and `Triangle`. We can do that by changing their existing +impls slightly. Note that the parameter types and return type of each of our `area` methods must match those defined +by the `Area` trait. + +```rust +impl Area for Rectangle { + fn area(self) -> Field { + self.width * self.height + } +} + +impl Area for Triangle { + fn area(self) -> Field { + self.width * self.height / 2 + } +} +``` + +Now we have a working program that is generic over any type of Shape that is used! Others can even use this program +as a library with their own types - such as `Circle` - as long as they also implement `Area` for these types. + +## Where Clauses + +As seen in `log_area` above, when we want to create a function or method that is generic over any type that implements +a trait, we can add a where clause to the generic function. + +```rust +fn log_area(shape: T) where T: Area { + println(shape.area()); +} +``` + +It is also possible to apply multiple trait constraints on the same variable at once by combining traits with the `+` +operator. Similarly, we can have multiple trait constraints by separating each with a comma: + +```rust +fn foo(elements: [T], thing: U) where + T: Default + Add + Eq, + U: Bar, +{ + let mut sum = T::default(); + + for element in elements { + sum += element; + } + + if sum == T::default() { + thing.bar(); + } +} +``` + +## Generic Implementations + +You can add generics to a trait implementation by adding the generic list after the `impl` keyword: + +```rust +trait Second { + fn second(self) -> Field; +} + +impl Second for (T, Field) { + fn second(self) -> Field { + self.1 + } +} +``` + +You can also implement a trait for every type this way: + +```rust +trait Debug { + fn debug(self); +} + +impl Debug for T { + fn debug(self) { + println(self); + } +} + +fn main() { + 1.debug(); +} +``` + +### Generic Trait Implementations With Where Clauses + +Where clauses can be placed on trait implementations themselves to restrict generics in a similar way. +For example, while `impl Foo for T` implements the trait `Foo` for every type, `impl Foo for T where T: Bar` +will implement `Foo` only for types that also implement `Bar`. This is often used for implementing generic types. +For example, here is the implementation for array equality: + +```rust +impl Eq for [T; let N: u32] where T: Eq { + // Test if two arrays have the same elements. + // Because both arrays must have length N, we know their lengths already match. + fn eq(self, other: Self) -> bool { + let mut result = true; + + for i in 0 .. self.len() { + // The T: Eq constraint is needed to call == on the array elements here + result &= self[i] == other[i]; + } + + result + } +} +``` + +Where clauses can also be placed on struct implementations. +For example, here is a method utilizing a generic type that implements the equality trait. + +```rust +struct Foo { + a: u32, + b: T, +} + +impl Foo where T: Eq { + fn eq(self, other: Self) -> bool { + (self.a == other.a) & self.b.eq(other.b) + } +} +``` + +## Generic Traits + +Traits themselves can also be generic by placing the generic arguments after the trait name. These generics are in +scope of every item within the trait. + +```rust +trait Into { + // Convert `self` to type `T` + fn into(self) -> T; +} +``` + +When implementing generic traits the generic arguments of the trait must be specified. This is also true anytime +when referencing a generic trait (e.g. in a `where` clause). + +```rust +struct MyStruct { + array: [Field; 2], +} + +impl Into<[Field; 2]> for MyStruct { + fn into(self) -> [Field; 2] { + self.array + } +} + +fn as_array(x: T) -> [Field; 2] + where T: Into<[Field; 2]> +{ + x.into() +} + +fn main() { + let array = [1, 2]; + let my_struct = MyStruct { array }; + + assert_eq(as_array(my_struct), array); +} +``` + +### Associated Types and Constants + +Traits also support associated types and constraints which can be thought of as additional generics that are referred to by name. + +Here's an example of a trait with an associated type `Foo` and a constant `Bar`: + +```rust +trait MyTrait { + type Foo; + + let Bar: u32; +} +``` + +Now when we're implementing `MyTrait` we also have to provide values for `Foo` and `Bar`: + +```rust +impl MyTrait for Field { + type Foo = i32; + + let Bar: u32 = 11; +} +``` + +Since associated constants can also be used in a type position, its values are limited to only other +expression kinds allowed in numeric generics. + +Note that currently all associated types and constants must be explicitly specified in a trait constraint. +If we leave out any, we'll get an error that we're missing one: + +```rust +// Error! Constraint is missing associated constant for `Bar` +fn foo(x: T) where T: MyTrait { + ... +} +``` + +Because all associated types and constants must be explicitly specified, they are essentially named generics, +although this is set to change in the future. Future versions of Noir will allow users to elide associated types +in trait constraints similar to Rust. When this is done, you may still refer to their value with the `::AssociatedType` +syntax: + +```rust +// Only valid in future versions of Noir: +fn foo(x: T) where T: MyTrait { + let _: ::Foo = ...; +} +``` + +The type as trait syntax is possible in Noir today but is less useful when each type must be explicitly specified anyway: + +```rust +fn foo(x: T) where T: MyTrait { + // Works, but could just use F directly + let _: >::Foo = ...; + + let _: F = ...; +} +``` + +## Trait Methods With No `self` + +A trait can contain any number of methods, each of which have access to the `Self` type which represents each type +that eventually implements the trait. Similarly, the `self` variable is available as well but is not required to be used. +For example, we can define a trait to create a default value for a type. This trait will need to return the `Self` type +but doesn't need to take any parameters: + +```rust +trait Default { + fn default() -> Self; +} +``` + +Implementing this trait can be done similarly to any other trait: + +```rust +impl Default for Field { + fn default() -> Field { + 0 + } +} + +struct MyType {} + +impl Default for MyType { + fn default() -> Field { + MyType {} + } +} +``` + +However, since there is no `self` parameter, we cannot call it via the method call syntax `object.method()`. +Instead, we'll need to refer to the function directly. This can be done either by referring to the +specific impl `MyType::default()` or referring to the trait itself `Default::default()`. In the later +case, type inference determines the impl that is selected. + +```rust +let my_struct = MyStruct::default(); + +let x: Field = Default::default(); +let result = x + Default::default(); +``` + +:::warning + +```rust +let _ = Default::default(); +``` + +If type inference cannot select which impl to use because of an ambiguous `Self` type, an impl will be +arbitrarily selected. This occurs most often when the result of a trait function call with no parameters +is unused. To avoid this, when calling a trait function with no `self` or `Self` parameters or return type, +always refer to it via the implementation type's namespace - e.g. `MyType::default()`. +This is set to change to an error in future Noir versions. + +::: + +## Default Method Implementations + +A trait can also have default implementations of its methods by giving a body to the desired functions. +Note that this body must be valid for all types that may implement the trait. As a result, the only +valid operations on `self` will be operations valid for any type or other operations on the trait itself. + +```rust +trait Numeric { + fn add(self, other: Self) -> Self; + + // Default implementation of double is (self + self) + fn double(self) -> Self { + self.add(self) + } +} +``` + +When implementing a trait with default functions, a type may choose to implement only the required functions: + +```rust +impl Numeric for Field { + fn add(self, other: Field) -> Field { + self + other + } +} +``` + +Or it may implement the optional methods as well: + +```rust +impl Numeric for u32 { + fn add(self, other: u32) -> u32 { + self + other + } + + fn double(self) -> u32 { + self * 2 + } +} +``` + +## Impl Specialization + +When implementing traits for a generic type it is possible to implement the trait for only a certain combination +of generics. This can be either as an optimization or because those specific generics are required to implement the trait. + +```rust +trait Sub { + fn sub(self, other: Self) -> Self; +} + +struct NonZero { + value: T, +} + +impl Sub for NonZero { + fn sub(self, other: Self) -> Self { + let value = self.value - other.value; + assert(value != 0); + NonZero { value } + } +} +``` + +## Overlapping Implementations + +Overlapping implementations are disallowed by Noir to ensure Noir's decision on which impl to select is never ambiguous. +This means if a trait `Foo` is already implemented +by a type `Bar` for all `T`, then we cannot also have a separate impl for `Bar` (or any other +type argument). Similarly, if there is an impl for all `T` such as `impl Debug for T`, we cannot create +any more impls to `Debug` for other types since it would be ambiguous which impl to choose for any given +method call. + +```rust +trait Trait {} + +// Previous impl defined here +impl Trait for (A, B) {} + +// error: Impl for type `(Field, Field)` overlaps with existing impl +impl Trait for (Field, Field) {} +``` + +## Trait Coherence + +Another restriction on trait implementations is coherence. This restriction ensures other crates cannot create +impls that may overlap with other impls, even if several unrelated crates are used as dependencies in the same +program. + +The coherence restriction is: to implement a trait, either the trait itself or the object type must be declared +in the crate the impl is in. + +In practice this often comes up when using types provided by libraries. If a library provides a type `Foo` that does +not implement a trait in the standard library such as `Default`, you may not `impl Default for Foo` in your own crate. +While restrictive, this prevents later issues or silent changes in the program if the `Foo` library later added its +own impl for `Default`. If you are a user of the `Foo` library in this scenario and need a trait not implemented by the +library your choices are to either submit a patch to the library or use the newtype pattern. + +### The Newtype Pattern + +The newtype pattern gets around the coherence restriction by creating a new wrapper type around the library type +that we cannot create `impl`s for. Since the new wrapper type is defined in our current crate, we can create +impls for any trait we need on it. + +```rust +struct Wrapper { + foo: some_library::Foo, +} + +impl Default for Wrapper { + fn default() -> Wrapper { + Wrapper { + foo: some_library::Foo::new(), + } + } +} +``` + +Since we have an impl for our own type, the behavior of this code will not change even if `some_library` is updated +to provide its own `impl Default for Foo`. The downside of this pattern is that it requires extra wrapping and +unwrapping of values when converting to and from the `Wrapper` and `Foo` types. + +### Trait Inheritance + +Sometimes, you might need one trait to use another trait’s functionality (like "inheritance" in some other languages). In this case, you can specify this relationship by listing any child traits after the parent trait's name and a colon. Now, whenever the parent trait is implemented it will require the child traits to be implemented as well. A parent trait is also called a "super trait." + +```rust +trait Person { + fn name(self) -> String; +} + +// Person is a supertrait of Student. +// Implementing Student requires you to also impl Person. +trait Student: Person { + fn university(self) -> String; +} + +trait Programmer { + fn fav_language(self) -> String; +} + +// CompSciStudent (computer science student) is a subtrait of both Programmer +// and Student. Implementing CompSciStudent requires you to impl both supertraits. +trait CompSciStudent: Programmer + Student { + fn git_username(self) -> String; +} +``` + +### Visibility + +By default, like functions, traits are private to the module they exist in. You can use `pub` +to make the trait public or `pub(crate)` to make it public to just its crate: + +```rust +// This trait is now public +pub trait Trait {} +``` \ No newline at end of file diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/unconstrained.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/unconstrained.md new file mode 100644 index 00000000000..b5221b8d2dd --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/concepts/unconstrained.md @@ -0,0 +1,104 @@ +--- +title: Unconstrained Functions +description: "Learn about what unconstrained functions in Noir are, how to use them and when you'd want to." + +keywords: [Noir programming language, unconstrained, open] +sidebar_position: 5 +--- + +Unconstrained functions are functions which do not constrain any of the included computation and allow for non-deterministic computation. + +## Why? + +Zero-knowledge (ZK) domain-specific languages (DSL) enable developers to generate ZK proofs from their programs by compiling code down to the constraints of an NP complete language (such as R1CS or PLONKish languages). However, the hard bounds of a constraint system can be very limiting to the functionality of a ZK DSL. + +Enabling a circuit language to perform unconstrained execution is a powerful tool. Said another way, unconstrained execution lets developers generate witnesses from code that does not generate any constraints. Being able to execute logic outside of a circuit is critical for both circuit performance and constructing proofs on information that is external to a circuit. + +Fetching information from somewhere external to a circuit can also be used to enable developers to improve circuit efficiency. + +A ZK DSL does not just prove computation, but proves that some computation was handled correctly. Thus, it is necessary that when we switch from performing some operation directly inside of a circuit to inside of an unconstrained environment that the appropriate constraints are still laid down elsewhere in the circuit. + +## Example + +An in depth example might help drive the point home. This example comes from the excellent [post](https://discord.com/channels/1113924620781883405/1124022445054111926/1128747641853972590) by Tom in the Noir Discord. + +Let's look at how we can optimize a function to turn a `u72` into an array of `u8`s. + +```rust +fn main(num: u72) -> pub [u8; 8] { + let mut out: [u8; 8] = [0; 8]; + for i in 0..8 { + out[i] = (num >> (56 - (i * 8)) as u72 & 0xff) as u8; + } + + out +} +``` + +``` +Total ACIR opcodes generated for language PLONKCSat { width: 3 }: 91 +Backend circuit size: 3619 +``` + +A lot of the operations in this function are optimized away by the compiler (all the bit-shifts turn into divisions by constants). However we can save a bunch of gates by casting to u8 a bit earlier. This automatically truncates the bit-shifted value to fit in a u8 which allows us to remove the AND against 0xff. This saves us ~480 gates in total. + +```rust +fn main(num: u72) -> pub [u8; 8] { + let mut out: [u8; 8] = [0; 8]; + for i in 0..8 { + out[i] = (num >> (56 - (i * 8)) as u8; + } + + out +} +``` + +``` +Total ACIR opcodes generated for language PLONKCSat { width: 3 }: 75 +Backend circuit size: 3143 +``` + +Those are some nice savings already but we can do better. This code is all constrained so we're proving every step of calculating out using num, but we don't actually care about how we calculate this, just that it's correct. This is where brillig comes in. + +It turns out that truncating a u72 into a u8 is hard to do inside a snark, each time we do as u8 we lay down 4 ACIR opcodes which get converted into multiple gates. It's actually much easier to calculate num from out than the other way around. All we need to do is multiply each element of out by a constant and add them all together, both relatively easy operations inside a snark. + +We can then run `u72_to_u8` as unconstrained brillig code in order to calculate out, then use that result in our constrained function and assert that if we were to do the reverse calculation we'd get back num. This looks a little like the below: + +```rust +fn main(num: u72) -> pub [u8; 8] { + let out = unsafe { + u72_to_u8(num) + }; + + let mut reconstructed_num: u72 = 0; + for i in 0..8 { + reconstructed_num += (out[i] as u72 << (56 - (8 * i))); + } + assert(num == reconstructed_num); + out +} + +unconstrained fn u72_to_u8(num: u72) -> [u8; 8] { + let mut out: [u8; 8] = [0; 8]; + for i in 0..8 { + out[i] = (num >> (56 - (i * 8))) as u8; + } + out +} +``` + +``` +Total ACIR opcodes generated for language PLONKCSat { width: 3 }: 78 +Backend circuit size: 2902 +``` + +This ends up taking off another ~250 gates from our circuit! We've ended up with more ACIR opcodes than before but they're easier for the backend to prove (resulting in fewer gates). + +Note that in order to invoke unconstrained functions we need to wrap them in an `unsafe` block, +to make it clear that the call is unconstrained. + +Generally we want to use brillig whenever there's something that's easy to verify but hard to compute within the circuit. For example, if you wanted to calculate a square root of a number it'll be a much better idea to calculate this in brillig and then assert that if you square the result you get back your number. + +## Break and Continue + +In addition to loops over runtime bounds, `break` and `continue` are also available in unconstrained code. See [break and continue](../concepts/control_flow.md#break-and-continue) diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/modules_packages_crates/_category_.json b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/modules_packages_crates/_category_.json new file mode 100644 index 00000000000..1debcfe7675 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/modules_packages_crates/_category_.json @@ -0,0 +1,6 @@ +{ + "label": "Modules, Packages and Crates", + "position": 2, + "collapsible": true, + "collapsed": true +} diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/modules_packages_crates/crates_and_packages.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/modules_packages_crates/crates_and_packages.md new file mode 100644 index 00000000000..95ee9f52ab2 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/modules_packages_crates/crates_and_packages.md @@ -0,0 +1,43 @@ +--- +title: Crates and Packages +description: Learn how to use Crates and Packages in your Noir project +keywords: [Nargo, dependencies, package management, crates, package] +sidebar_position: 0 +--- + +## Crates + +A crate is the smallest amount of code that the Noir compiler considers at a time. +Crates can contain modules, and the modules may be defined in other files that get compiled with the crate, as we’ll see in the coming sections. + +### Crate Types + +A Noir crate can come in several forms: binaries, libraries or contracts. + +#### Binaries + +_Binary crates_ are programs which you can compile to an ACIR circuit which you can then create proofs against. Each must have a function called `main` that defines the ACIR circuit which is to be proved. + +#### Libraries + +_Library crates_ don't have a `main` function and they don't compile down to ACIR. Instead they define functionality intended to be shared with multiple projects, and eventually included in a binary crate. + +#### Contracts + +Contract crates are similar to binary crates in that they compile to ACIR which you can create proofs against. They are different in that they do not have a single `main` function, but are a collection of functions to be deployed to the [Aztec network](https://aztec.network). You can learn more about the technical details of Aztec in the [monorepo](https://github.com/AztecProtocol/aztec-packages) or contract [examples](https://github.com/AztecProtocol/aztec-packages/tree/master/noir-projects/noir-contracts/contracts). + +### Crate Root + +Every crate has a root, which is the source file that the compiler starts, this is also known as the root module. The Noir compiler does not enforce any conditions on the name of the file which is the crate root, however if you are compiling via Nargo the crate root must be called `lib.nr` or `main.nr` for library or binary crates respectively. + +## Packages + +A Nargo _package_ is a collection of one of more crates that provides a set of functionality. A package must include a Nargo.toml file. + +A package _must_ contain either a library or a binary crate, but not both. + +### Differences from Cargo Packages + +One notable difference between Rust's Cargo and Noir's Nargo is that while Cargo allows a package to contain an unlimited number of binary crates and a single library crate, Nargo currently only allows a package to contain a single crate. + +In future this restriction may be lifted to allow a Nargo package to contain both a binary and library crate or multiple binary crates. diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/modules_packages_crates/dependencies.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/modules_packages_crates/dependencies.md new file mode 100644 index 00000000000..24e02de08fe --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/modules_packages_crates/dependencies.md @@ -0,0 +1,124 @@ +--- +title: Dependencies +description: + Learn how to specify and manage dependencies in Nargo, allowing you to upload packages to GitHub + and use them easily in your project. +keywords: [Nargo, dependencies, GitHub, package management, versioning] +sidebar_position: 1 +--- + +Nargo allows you to upload packages to GitHub and use them as dependencies. + +## Specifying a dependency + +Specifying a dependency requires a tag to a specific commit and the git url to the url containing +the package. + +Currently, there are no requirements on the tag contents. If requirements are added, it would follow +semver 2.0 guidelines. + +> Note: Without a `tag` , there would be no versioning and dependencies would change each time you +> compile your project. + +For example, to add the [ecrecover-noir library](https://github.com/colinnielsen/ecrecover-noir) to your project, add it to `Nargo.toml`: + +```toml +# Nargo.toml + +[dependencies] +ecrecover = {tag = "v0.8.0", git = "https://github.com/colinnielsen/ecrecover-noir"} +``` + +If the module is in a subdirectory, you can define a subdirectory in your git repository, for example: + +```toml +# Nargo.toml + +[dependencies] +easy_private_token_contract = {tag ="v0.1.0-alpha62", git = "https://github.com/AztecProtocol/aztec-packages", directory = "noir-contracts/contracts/easy_private_token_contract"} +``` + +## Specifying a local dependency + +You can also specify dependencies that are local to your machine. + +For example, this file structure has a library and binary crate + +```tree +├── binary_crate +│   ├── Nargo.toml +│   └── src +│   └── main.nr +└── lib_a + ├── Nargo.toml + └── src + └── lib.nr +``` + +Inside of the binary crate, you can specify: + +```toml +# Nargo.toml + +[dependencies] +lib_a = { path = "../lib_a" } +``` + +## Importing dependencies + +You can import a dependency to a Noir file using the following syntax. For example, to import the +ecrecover-noir library and local lib_a referenced above: + +```rust +use ecrecover; +use lib_a; +``` + +You can also import only the specific parts of dependency that you want to use, like so: + +```rust +use std::hash::sha256; +use std::scalar_mul::fixed_base_embedded_curve; +``` + +Lastly, as demonstrated in the +[elliptic curve example](../standard_library/cryptographic_primitives/ec_primitives.md#examples), you +can import multiple items in the same line by enclosing them in curly braces: + +```rust +use std::ec::tecurve::affine::{Curve, Point}; +``` + +We don't have a way to consume libraries from inside a [workspace](./workspaces.md) as external dependencies right now. + +Inside a workspace, these are consumed as `{ path = "../to_lib" }` dependencies in Nargo.toml. + +## Dependencies of Dependencies + +Note that when you import a dependency, you also get access to all of the dependencies of that package. + +For example, the [phy_vector](https://github.com/resurgencelabs/phy_vector) library imports an [fraction](https://github.com/resurgencelabs/fraction) library. If you're importing the phy_vector library, then you can access the functions in fractions library like so: + +```rust +use phy_vector; + +fn main(x : Field, y : pub Field) { + //... + let f = phy_vector::fraction::toFraction(true, 2, 1); + //... +} +``` + +## Available Libraries + +Noir does not currently have an official package manager. You can find a list of available Noir libraries in the [awesome-noir repo here](https://github.com/noir-lang/awesome-noir#libraries). + +Some libraries that are available today include: + +- [Standard Library](https://github.com/noir-lang/noir/tree/master/noir_stdlib) - the Noir Standard Library +- [Ethereum Storage Proof Verification](https://github.com/aragonzkresearch/noir-trie-proofs) - a library that contains the primitives necessary for RLP decoding (in the form of look-up table construction) and Ethereum state and storage proof verification (or verification of any trie proof involving 32-byte long keys) +- [BigInt](https://github.com/shuklaayush/noir-bigint) - a library that provides a custom BigUint56 data type, allowing for computations on large unsigned integers +- [ECrecover](https://github.com/colinnielsen/ecrecover-noir/tree/main) - a library to verify an ECDSA signature and return the source Ethereum address +- [Sparse Merkle Tree Verifier](https://github.com/vocdoni/smtverifier-noir/tree/main) - a library for verification of sparse Merkle trees +- [Signed Int](https://github.com/resurgencelabs/signed_int) - a library for accessing a custom Signed Integer data type, allowing access to negative numbers on Noir +- [Fraction](https://github.com/resurgencelabs/fraction) - a library for accessing fractional number data type in Noir, allowing results that aren't whole numbers diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/modules_packages_crates/modules.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/modules_packages_crates/modules.md new file mode 100644 index 00000000000..14aa1f0579a --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/modules_packages_crates/modules.md @@ -0,0 +1,221 @@ +--- +title: Modules +description: + Learn how to organize your files using modules in Noir, following the same convention as Rust's + module system. Examples included. +keywords: [Noir, Rust, modules, organizing files, sub-modules] +sidebar_position: 2 +--- + +Noir's module system follows the same convention as the _newer_ version of Rust's module system. + +## Purpose of Modules + +Modules are used to organize files. Without modules all of your code would need to live in a single +file. In Noir, the compiler does not automatically scan all of your files to detect modules. This +must be done explicitly by the developer. + +## Examples + +### Importing a module in the crate root + +Filename : `src/main.nr` + +```rust +mod foo; + +fn main() { + foo::hello_world(); +} +``` + +Filename : `src/foo.nr` + +```rust +fn from_foo() {} +``` + +In the above snippet, the crate root is the `src/main.nr` file. The compiler sees the module +declaration `mod foo` which prompts it to look for a foo.nr file. + +Visually this module hierarchy looks like the following : + +``` +crate + ├── main + │ + └── foo + └── from_foo + +``` + +The module filename may also be the name of the module as a directory with the contents in a +file named `mod.nr` within that directory. The above example can alternatively be expressed like this: + +Filename : `src/main.nr` + +```rust +mod foo; + +fn main() { + foo::hello_world(); +} +``` + +Filename : `src/foo/mod.nr` + +```rust +fn from_foo() {} +``` + +Note that it's an error to have both files `src/foo.nr` and `src/foo/mod.nr` in the filesystem. + +### Importing a module throughout the tree + +All modules are accessible from the `crate::` namespace. + +``` +crate + ├── bar + ├── foo + └── main + +``` + +In the above snippet, if `bar` would like to use functions in `foo`, it can do so by `use crate::foo::function_name`. + +### Sub-modules + +Filename : `src/main.nr` + +```rust +mod foo; + +fn main() { + foo::from_foo(); +} +``` + +Filename : `src/foo.nr` + +```rust +mod bar; +fn from_foo() {} +``` + +Filename : `src/foo/bar.nr` + +```rust +fn from_bar() {} +``` + +In the above snippet, we have added an extra module to the module tree; `bar`. `bar` is a submodule +of `foo` hence we declare bar in `foo.nr` with `mod bar`. Since `foo` is not the crate root, the +compiler looks for the file associated with the `bar` module in `src/foo/bar.nr` + +Visually the module hierarchy looks as follows: + +``` +crate + ├── main + │ + └── foo + ├── from_foo + └── bar + └── from_bar +``` + +Similar to importing a module in the crate root, modules can be placed in a `mod.nr` file, like this: + +Filename : `src/main.nr` + +```rust +mod foo; + +fn main() { + foo::from_foo(); +} +``` + +Filename : `src/foo/mod.nr` + +```rust +mod bar; +fn from_foo() {} +``` + +Filename : `src/foo/bar/mod.nr` + +```rust +fn from_bar() {} +``` + +### Referencing a parent module + +Given a submodule, you can refer to its parent module using the `super` keyword. + +Filename : `src/main.nr` + +```rust +mod foo; + +fn main() { + foo::from_foo(); +} +``` + +Filename : `src/foo.nr` + +```rust +mod bar; + +fn from_foo() {} +``` + +Filename : `src/foo/bar.nr` + +```rust +// Same as bar::from_foo +use super::from_foo; + +fn from_bar() { + from_foo(); // invokes super::from_foo(), which is bar::from_foo() + super::from_foo(); // also invokes bar::from_foo() +} +``` + +### `use` visibility + +`use` declarations are private to the containing module, by default. However, like functions, +they can be marked as `pub` or `pub(crate)`. Such a use declaration serves to _re-export_ a name. +A public `use` declaration can therefore redirect some public name to a different target definition: +even a definition with a private canonical path, inside a different module. + +An example of re-exporting: + +```rust +mod some_module { + pub use foo::{bar, baz}; + mod foo { + pub fn bar() {} + pub fn baz() {} + } +} + +fn main() { + some_module::bar(); + some_module::baz(); +} +``` + +In this example, the module `some_module` re-exports two public names defined in `foo`. + +### Visibility + +By default, like functions, modules are private to the module (or crate) they exist in. You can use `pub` +to make the module public or `pub(crate)` to make it public to just its crate: + +```rust +// This module is now public and can be seen by other crates. +pub mod foo; +``` \ No newline at end of file diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/modules_packages_crates/workspaces.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/modules_packages_crates/workspaces.md new file mode 100644 index 00000000000..513497f12bf --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/modules_packages_crates/workspaces.md @@ -0,0 +1,42 @@ +--- +title: Workspaces +sidebar_position: 3 +--- + +Workspaces are a feature of nargo that allow you to manage multiple related Noir packages in a single repository. A workspace is essentially a group of related projects that share common build output directories and configurations. + +Each Noir project (with it's own Nargo.toml file) can be thought of as a package. Each package is expected to contain exactly one "named circuit", being the "name" defined in Nargo.toml with the program logic defined in `./src/main.nr`. + +For a project with the following structure: + +```tree +├── crates +│ ├── a +│ │ ├── Nargo.toml +│ │ └── Prover.toml +│ │ └── src +│ │ └── main.nr +│ └── b +│ ├── Nargo.toml +│ └── Prover.toml +│ └── src +│ └── main.nr +│ +└── Nargo.toml +``` + +You can define a workspace in Nargo.toml like so: + +```toml +[workspace] +members = ["crates/a", "crates/b"] +default-member = "crates/a" +``` + +`members` indicates which packages are included in the workspace. As such, all member packages of a workspace will be processed when the `--workspace` flag is used with various commands or if a `default-member` is not specified. + +`default-member` indicates which package various commands process by default. + +Libraries can be defined in a workspace. Inside a workspace, these are consumed as `{ path = "../to_lib" }` dependencies in Nargo.toml. + +Inside a workspace, these are consumed as `{ path = "../to_lib" }` dependencies in Nargo.toml. diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/_category_.json b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/_category_.json new file mode 100644 index 00000000000..af04c0933fd --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/_category_.json @@ -0,0 +1,6 @@ +{ + "label": "Standard Library", + "position": 1, + "collapsible": true, + "collapsed": true +} diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/bigint.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/bigint.md new file mode 100644 index 00000000000..05c3011634f --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/bigint.md @@ -0,0 +1,127 @@ +--- +title: Big Integers +description: How to use big integers from Noir standard library +keywords: + [ + Big Integer, + Noir programming language, + Noir libraries, + ] +--- + +The BigInt module in the standard library exposes some class of integers which do not fit (well) into a Noir native field. It implements modulo arithmetic, modulo a 'big' prime number. + +:::note + +The module can currently be considered as `Field`s with fixed modulo sizes used by a set of elliptic curves, in addition to just the native curve. [More work](https://github.com/noir-lang/noir/issues/510) is needed to achieve arbitrarily sized big integers. + +:::note + +`nargo` can be built with `--profile release-pedantic` to enable extra overflow checks which may affect `BigInt` results in some cases. +Consider the [`noir-bignum`](https://github.com/noir-lang/noir-bignum) library for an optimized alternative approach. + +::: + +Currently 6 classes of integers (i.e 'big' prime numbers) are available in the module, namely: + +- BN254 Fq: Bn254Fq +- BN254 Fr: Bn254Fr +- Secp256k1 Fq: Secpk1Fq +- Secp256k1 Fr: Secpk1Fr +- Secp256r1 Fr: Secpr1Fr +- Secp256r1 Fq: Secpr1Fq + +Where XXX Fq and XXX Fr denote respectively the order of the base and scalar field of the (usual) elliptic curve XXX. +For instance the big integer 'Secpk1Fq' in the standard library refers to integers modulo $2^{256}-2^{32}-977$. + +Feel free to explore the source code for the other primes: + +```rust title="big_int_definition" showLineNumbers +pub struct BigInt { + pointer: u32, + modulus: u32, +} +``` +> Source code: noir_stdlib/src/bigint.nr#L28-L33 + + +## Example usage + +A common use-case is when constructing a big integer from its bytes representation, and performing arithmetic operations on it: + +```rust title="big_int_example" showLineNumbers +fn big_int_example(x: u8, y: u8) { + let a = Secpk1Fq::from_le_bytes(&[x, y, 0, 45, 2]); + let b = Secpk1Fq::from_le_bytes(&[y, x, 9]); + let c = (a + b) * b / a; + let d = c.to_le_bytes(); + println(d[0]); +} +``` +> Source code: test_programs/execution_success/bigint/src/main.nr#L74-L82 + + +## Methods + +The available operations for each big integer are: + +### from_le_bytes + +Construct a big integer from its little-endian bytes representation. Example: + +```rust + // Construct a big integer from a slice of bytes + let a = Secpk1Fq::from_le_bytes(&[x, y, 0, 45, 2]); + // Construct a big integer from an array of 32 bytes + let a = Secpk1Fq::from_le_bytes_32([1;32]); + ``` + +Sure, here's the formatted version of the remaining methods: + +### to_le_bytes + +Return the little-endian bytes representation of a big integer. Example: + +```rust +let bytes = a.to_le_bytes(); +``` + +### add + +Add two big integers. Example: + +```rust +let sum = a + b; +``` + +### sub + +Subtract two big integers. Example: + +```rust +let difference = a - b; +``` + +### mul + +Multiply two big integers. Example: + +```rust +let product = a * b; +``` + +### div + +Divide two big integers. Note that division is field division and not euclidean division. Example: + +```rust +let quotient = a / b; +``` + +### eq + +Compare two big integers. Example: + +```rust +let are_equal = a == b; +``` diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/black_box_fns.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/black_box_fns.md new file mode 100644 index 00000000000..d6079ab182c --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/black_box_fns.md @@ -0,0 +1,32 @@ +--- +title: Black Box Functions +description: Black box functions are functions in Noir that rely on backends implementing support for specialized constraints. +keywords: [noir, black box functions] +--- + +Black box functions are functions in Noir that rely on backends implementing support for specialized constraints. This makes certain zk-snark unfriendly computations cheaper than if they were implemented in Noir. + +The ACVM spec defines a set of blackbox functions which backends will be expected to implement. This allows backends to use optimized implementations of these constraints if they have them, however they may also fallback to less efficient naive implementations if not. + +## Function list + +Here is a list of the current black box functions: + +- [AES128](./cryptographic_primitives/ciphers.mdx#aes128) +- [SHA256](./cryptographic_primitives/hashes.mdx#sha256) +- [Schnorr signature verification](./cryptographic_primitives/schnorr.mdx) +- [Blake2s](./cryptographic_primitives/hashes.mdx#blake2s) +- [Blake3](./cryptographic_primitives/hashes.mdx#blake3) +- [Pedersen Hash](./cryptographic_primitives/hashes.mdx#pedersen_hash) +- [Pedersen Commitment](./cryptographic_primitives/hashes.mdx#pedersen_commitment) +- [ECDSA signature verification](./cryptographic_primitives/ecdsa_sig_verification.mdx) +- [Embedded curve operations (MSM, addition, ...)](./cryptographic_primitives/embedded_curve_ops.mdx) +- AND +- XOR +- RANGE +- [Keccak256](./cryptographic_primitives/hashes.mdx#keccak256) +- [Recursive proof verification](./recursion.mdx) + +Most black box functions are included as part of the Noir standard library, however `AND`, `XOR` and `RANGE` are used as part of the Noir language syntax. For instance, using the bitwise operator `&` will invoke the `AND` black box function. + +You can view the black box functions defined in the ACVM code [here](https://github.com/noir-lang/noir/blob/master/acvm-repo/acir/src/circuit/black_box_functions.rs). diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/bn254.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/bn254.md new file mode 100644 index 00000000000..3294f005dbb --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/bn254.md @@ -0,0 +1,46 @@ +--- +title: Bn254 Field Library +--- + +Noir provides a module in standard library with some optimized functions for bn254 Fr in `std::field::bn254`. + +## decompose + +```rust +fn decompose(x: Field) -> (Field, Field) {} +``` + +Decomposes a single field into two fields, low and high. The low field contains the lower 16 bytes of the input field and the high field contains the upper 16 bytes of the input field. Both field results are range checked to 128 bits. + + +## assert_gt + +```rust +fn assert_gt(a: Field, b: Field) {} +``` + +Asserts that a > b. This will generate less constraints than using `assert(gt(a, b))`. + +## assert_lt + +```rust +fn assert_lt(a: Field, b: Field) {} +``` + +Asserts that a < b. This will generate less constraints than using `assert(lt(a, b))`. + +## gt + +```rust +fn gt(a: Field, b: Field) -> bool {} +``` + +Returns true if a > b. + +## lt + +```rust +fn lt(a: Field, b: Field) -> bool {} +``` + +Returns true if a < b. \ No newline at end of file diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/containers/boundedvec.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/containers/boundedvec.md new file mode 100644 index 00000000000..509b214bf3a --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/containers/boundedvec.md @@ -0,0 +1,419 @@ +--- +title: Bounded Vectors +keywords: [noir, vector, bounded vector, slice] +sidebar_position: 1 +--- + +A `BoundedVec` is a growable storage similar to a `Vec` except that it +is bounded with a maximum possible length. Unlike `Vec`, `BoundedVec` is not implemented +via slices and thus is not subject to the same restrictions slices are (notably, nested +slices - and thus nested vectors as well - are disallowed). + +Since a BoundedVec is backed by a normal array under the hood, growing the BoundedVec by +pushing an additional element is also more efficient - the length only needs to be increased +by one. + +For these reasons `BoundedVec` should generally be preferred over `Vec` when there +is a reasonable maximum bound that can be placed on the vector. + +Example: + +```rust +let mut vector: BoundedVec = BoundedVec::new(); +for i in 0..5 { + vector.push(i); +} +assert(vector.len() == 5); +assert(vector.max_len() == 10); +``` + +## Methods + +### new + +```rust +pub fn new() -> Self +``` + +Creates a new, empty vector of length zero. + +Since this container is backed by an array internally, it still needs an initial value +to give each element. To resolve this, each element is zeroed internally. This value +is guaranteed to be inaccessible unless `get_unchecked` is used. + +Example: + +```rust +let empty_vector: BoundedVec = BoundedVec::new(); +assert(empty_vector.len() == 0); +``` + +Note that whenever calling `new` the maximum length of the vector should always be specified +via a type signature: + +```rust title="new_example" showLineNumbers +fn good() -> BoundedVec { + // Ok! MaxLen is specified with a type annotation + let v1: BoundedVec = BoundedVec::new(); + let v2 = BoundedVec::new(); + + // Ok! MaxLen is known from the type of `good`'s return value + v2 +} + +fn bad() { + // Error: Type annotation needed + // The compiler can't infer `MaxLen` from this code. + let mut v3 = BoundedVec::new(); + v3.push(5); +} +``` +> Source code: test_programs/noir_test_success/bounded_vec/src/main.nr#L11-L27 + + +This defaulting of `MaxLen` (and numeric generics in general) to zero may change in future noir versions +but for now make sure to use type annotations when using bounded vectors. Otherwise, you will receive a constraint failure at runtime when the vec is pushed to. + +### get + +```rust +pub fn get(self, index: u64) -> T { +``` + +Retrieves an element from the vector at the given index, starting from zero. + +If the given index is equal to or greater than the length of the vector, this +will issue a constraint failure. + +Example: + +```rust +fn foo(v: BoundedVec) { + let first = v.get(0); + let last = v.get(v.len() - 1); + assert(first != last); +} +``` + +### get_unchecked + +```rust +pub fn get_unchecked(self, index: u64) -> T { +``` + +Retrieves an element from the vector at the given index, starting from zero, without +performing a bounds check. + +Since this function does not perform a bounds check on length before accessing the element, +it is unsafe! Use at your own risk! + +Example: + +```rust title="get_unchecked_example" showLineNumbers +fn sum_of_first_three(v: BoundedVec) -> u32 { + // Always ensure the length is larger than the largest + // index passed to get_unchecked + assert(v.len() > 2); + let first = v.get_unchecked(0); + let second = v.get_unchecked(1); + let third = v.get_unchecked(2); + first + second + third +} +``` +> Source code: test_programs/noir_test_success/bounded_vec/src/main.nr#L54-L64 + + +### set + +```rust +pub fn set(&mut self: Self, index: u64, value: T) { +``` + +Writes an element to the vector at the given index, starting from zero. + +If the given index is equal to or greater than the length of the vector, this will issue a constraint failure. + +Example: + +```rust +fn foo(v: BoundedVec) { + let first = v.get(0); + assert(first != 42); + v.set(0, 42); + let new_first = v.get(0); + assert(new_first == 42); +} +``` + +### set_unchecked + +```rust +pub fn set_unchecked(&mut self: Self, index: u64, value: T) -> T { +``` + +Writes an element to the vector at the given index, starting from zero, without performing a bounds check. + +Since this function does not perform a bounds check on length before accessing the element, it is unsafe! Use at your own risk! + +Example: + +```rust title="set_unchecked_example" showLineNumbers +fn set_unchecked_example() { + let mut vec: BoundedVec = BoundedVec::new(); + vec.extend_from_array([1, 2]); + + // Here we're safely writing within the valid range of `vec` + // `vec` now has the value [42, 2] + vec.set_unchecked(0, 42); + + // We can then safely read this value back out of `vec`. + // Notice that we use the checked version of `get` which would prevent reading unsafe values. + assert_eq(vec.get(0), 42); + + // We've now written past the end of `vec`. + // As this index is still within the maximum potential length of `v`, + // it won't cause a constraint failure. + vec.set_unchecked(2, 42); + println(vec); + + // This will write past the end of the maximum potential length of `vec`, + // it will then trigger a constraint failure. + vec.set_unchecked(5, 42); + println(vec); +} +``` +> Source code: test_programs/noir_test_success/bounded_vec/src/main.nr#L67-L91 + + + +### push + +```rust +pub fn push(&mut self, elem: T) { +``` + +Pushes an element to the end of the vector. This increases the length +of the vector by one. + +Panics if the new length of the vector will be greater than the max length. + +Example: + +```rust title="bounded-vec-push-example" showLineNumbers +let mut v: BoundedVec = BoundedVec::new(); + + v.push(1); + v.push(2); + + // Panics with failed assertion "push out of bounds" + v.push(3); +``` +> Source code: test_programs/noir_test_success/bounded_vec/src/main.nr#L95-L103 + + +### pop + +```rust +pub fn pop(&mut self) -> T +``` + +Pops the element at the end of the vector. This will decrease the length +of the vector by one. + +Panics if the vector is empty. + +Example: + +```rust title="bounded-vec-pop-example" showLineNumbers +let mut v: BoundedVec = BoundedVec::new(); + v.push(1); + v.push(2); + + let two = v.pop(); + let one = v.pop(); + + assert(two == 2); + assert(one == 1); + // error: cannot pop from an empty vector + // let _ = v.pop(); +``` +> Source code: test_programs/noir_test_success/bounded_vec/src/main.nr#L108-L120 + + +### len + +```rust +pub fn len(self) -> u64 { +``` + +Returns the current length of this vector + +Example: + +```rust title="bounded-vec-len-example" showLineNumbers +let mut v: BoundedVec = BoundedVec::new(); + assert(v.len() == 0); + + v.push(100); + assert(v.len() == 1); + + v.push(200); + v.push(300); + v.push(400); + assert(v.len() == 4); + + let _ = v.pop(); + let _ = v.pop(); + assert(v.len() == 2); +``` +> Source code: test_programs/noir_test_success/bounded_vec/src/main.nr#L125-L140 + + +### max_len + +```rust +pub fn max_len(_self: BoundedVec) -> u64 { +``` + +Returns the maximum length of this vector. This is always +equal to the `MaxLen` parameter this vector was initialized with. + +Example: + +```rust title="bounded-vec-max-len-example" showLineNumbers +let mut v: BoundedVec = BoundedVec::new(); + + assert(v.max_len() == 5); + v.push(10); + assert(v.max_len() == 5); +``` +> Source code: test_programs/noir_test_success/bounded_vec/src/main.nr#L145-L151 + + +### storage + +```rust +pub fn storage(self) -> [T; MaxLen] { +``` + +Returns the internal array within this vector. +Since arrays in Noir are immutable, mutating the returned storage array will not mutate +the storage held internally by this vector. + +Note that uninitialized elements may be zeroed out! + +Example: + +```rust title="bounded-vec-storage-example" showLineNumbers +let mut v: BoundedVec = BoundedVec::new(); + + assert(v.storage() == [0, 0, 0, 0, 0]); + + v.push(57); + assert(v.storage() == [57, 0, 0, 0, 0]); +``` +> Source code: test_programs/noir_test_success/bounded_vec/src/main.nr#L156-L163 + + +### extend_from_array + +```rust +pub fn extend_from_array(&mut self, array: [T; Len]) +``` + +Pushes each element from the given array to this vector. + +Panics if pushing each element would cause the length of this vector +to exceed the maximum length. + +Example: + +```rust title="bounded-vec-extend-from-array-example" showLineNumbers +let mut vec: BoundedVec = BoundedVec::new(); + vec.extend_from_array([2, 4]); + + assert(vec.len == 2); + assert(vec.get(0) == 2); + assert(vec.get(1) == 4); +``` +> Source code: test_programs/noir_test_success/bounded_vec/src/main.nr#L168-L175 + + +### extend_from_bounded_vec + +```rust +pub fn extend_from_bounded_vec(&mut self, vec: BoundedVec) +``` + +Pushes each element from the other vector to this vector. The length of +the other vector is left unchanged. + +Panics if pushing each element would cause the length of this vector +to exceed the maximum length. + +Example: + +```rust title="bounded-vec-extend-from-bounded-vec-example" showLineNumbers +let mut v1: BoundedVec = BoundedVec::new(); + let mut v2: BoundedVec = BoundedVec::new(); + + v2.extend_from_array([1, 2, 3]); + v1.extend_from_bounded_vec(v2); + + assert(v1.storage() == [1, 2, 3, 0, 0]); + assert(v2.storage() == [1, 2, 3, 0, 0, 0, 0]); +``` +> Source code: test_programs/noir_test_success/bounded_vec/src/main.nr#L180-L189 + + +### from_array + +```rust +pub fn from_array(array: [T; Len]) -> Self +``` + +Creates a new vector, populating it with values derived from an array input. +The maximum length of the vector is determined based on the type signature. + +Example: +```rust +let bounded_vec: BoundedVec = BoundedVec::from_array([1, 2, 3]) +``` + +### map + +```rust +pub fn map(self, f: fn[Env](T) -> U) -> BoundedVec +``` + +Creates a new vector of equal size by calling a closure on each element in this vector. + +Example: + +```rust title="bounded-vec-map-example" showLineNumbers +let vec: BoundedVec = BoundedVec::from_array([1, 2, 3, 4]); + let result = vec.map(|value| value * 2); +``` +> Source code: noir_stdlib/src/collections/bounded_vec.nr#L495-L498 + + +### any + +```rust +pub fn any(self, predicate: fn[Env](T) -> bool) -> bool +``` + +Returns true if the given predicate returns true for any element +in this vector. + +Example: + +```rust title="bounded-vec-any-example" showLineNumbers +let mut v: BoundedVec = BoundedVec::new(); + v.extend_from_array([2, 4, 6]); + + let all_even = !v.any(|elem: u32| elem % 2 != 0); + assert(all_even); +``` +> Source code: test_programs/noir_test_success/bounded_vec/src/main.nr#L256-L262 + diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/containers/hashmap.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/containers/hashmap.md new file mode 100644 index 00000000000..395cc312705 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/containers/hashmap.md @@ -0,0 +1,587 @@ +--- +title: HashMap +keywords: [noir, map, hash, hashmap] +sidebar_position: 1 +--- + +`HashMap` is used to efficiently store and look up key-value pairs. + +`HashMap` is a bounded type which can store anywhere from zero to `MaxLen` total elements. +Note that due to hash collisions, the actual maximum number of elements stored by any particular +hashmap is likely lower than `MaxLen`. This is true even with cryptographic hash functions since +every hash value will be performed modulo `MaxLen`. + +Example: + +```rust +// Create a mapping from Fields to u32s with a maximum length of 12 +// using a poseidon2 hasher +use std::hash::poseidon2::Poseidon2Hasher; +let mut map: HashMap> = HashMap::default(); + +map.insert(1, 2); +map.insert(3, 4); + +let two = map.get(1).unwrap(); +``` + +## Methods + +### default + +```rust title="default" showLineNumbers +impl Default for HashMap +where + B: BuildHasher + Default, + H: Hasher + Default, +{ + /// Constructs an empty HashMap. + /// + /// Example: + /// + /// ```noir + /// let hashmap: HashMap> = HashMap::default(); + /// assert(hashmap.is_empty()); + /// ``` + fn default() -> Self { +``` +> Source code: noir_stdlib/src/collections/map.nr#L681-L696 + + +Creates a fresh, empty HashMap. + +When using this function, always make sure to specify the maximum size of the hash map. + +This is the same `default` from the `Default` implementation given further below. It is +repeated here for convenience since it is the recommended way to create a hashmap. + +Example: + +```rust title="default_example" showLineNumbers +let hashmap: HashMap> = HashMap::default(); + assert(hashmap.is_empty()); +``` +> Source code: test_programs/execution_success/hashmap/src/main.nr#L207-L210 + + +Because `HashMap` has so many generic arguments that are likely to be the same throughout +your program, it may be helpful to create a type alias: + +```rust title="type_alias" showLineNumbers +type MyMap = HashMap>; +``` +> Source code: test_programs/execution_success/hashmap/src/main.nr#L201-L203 + + +### with_hasher + +```rust title="with_hasher" showLineNumbers +pub fn with_hasher(_build_hasher: B) -> Self + where + B: BuildHasher, + { +``` +> Source code: noir_stdlib/src/collections/map.nr#L103-L108 + + +Creates a hashmap with an existing `BuildHasher`. This can be used to ensure multiple +hashmaps are created with the same hasher instance. + +Example: + +```rust title="with_hasher_example" showLineNumbers +let my_hasher: BuildHasherDefault = Default::default(); + let hashmap: HashMap> = + HashMap::with_hasher(my_hasher); + assert(hashmap.is_empty()); +``` +> Source code: test_programs/execution_success/hashmap/src/main.nr#L211-L216 + + +### get + +```rust title="get" showLineNumbers +pub fn get(self, key: K) -> Option + where + K: Eq + Hash, + B: BuildHasher, + H: Hasher, + { +``` +> Source code: noir_stdlib/src/collections/map.nr#L465-L472 + + +Retrieves a value from the hashmap, returning `Option::none()` if it was not found. + +Example: + +```rust title="get_example" showLineNumbers +fn get_example(map: HashMap>) { + let x = map.get(12); + + if x.is_some() { + assert(x.unwrap() == 42); + } +} +``` +> Source code: test_programs/execution_success/hashmap/src/main.nr#L296-L304 + + +### insert + +```rust title="insert" showLineNumbers +pub fn insert(&mut self, key: K, value: V) + where + K: Eq + Hash, + B: BuildHasher, + H: Hasher, + { +``` +> Source code: noir_stdlib/src/collections/map.nr#L507-L514 + + +Inserts a new key-value pair into the map. If the key was already in the map, its +previous value will be overridden with the newly provided one. + +Example: + +```rust title="insert_example" showLineNumbers +let mut map: HashMap> = HashMap::default(); + map.insert(12, 42); + assert(map.len() == 1); +``` +> Source code: test_programs/execution_success/hashmap/src/main.nr#L217-L221 + + +### remove + +```rust title="remove" showLineNumbers +pub fn remove(&mut self, key: K) + where + K: Eq + Hash, + B: BuildHasher, + H: Hasher, + { +``` +> Source code: noir_stdlib/src/collections/map.nr#L563-L570 + + +Removes the given key-value pair from the map. If the key was not already present +in the map, this does nothing. + +Example: + +```rust title="remove_example" showLineNumbers +map.remove(12); + assert(map.is_empty()); + + // If a key was not present in the map, remove does nothing + map.remove(12); + assert(map.is_empty()); +``` +> Source code: test_programs/execution_success/hashmap/src/main.nr#L224-L231 + + +### is_empty + +```rust title="is_empty" showLineNumbers +pub fn is_empty(self) -> bool { +``` +> Source code: noir_stdlib/src/collections/map.nr#L167-L169 + + +True if the length of the hash map is empty. + +Example: + +```rust title="is_empty_example" showLineNumbers +assert(map.is_empty()); + + map.insert(1, 2); + assert(!map.is_empty()); + + map.remove(1); + assert(map.is_empty()); +``` +> Source code: test_programs/execution_success/hashmap/src/main.nr#L232-L240 + + +### len + +```rust title="len" showLineNumbers +pub fn len(self) -> u32 { +``` +> Source code: noir_stdlib/src/collections/map.nr#L424-L426 + + +Returns the current length of this hash map. + +Example: + +```rust title="len_example" showLineNumbers +// This is equivalent to checking map.is_empty() + assert(map.len() == 0); + + map.insert(1, 2); + map.insert(3, 4); + map.insert(5, 6); + assert(map.len() == 3); + + // 3 was already present as a key in the hash map, so the length is unchanged + map.insert(3, 7); + assert(map.len() == 3); + + map.remove(1); + assert(map.len() == 2); +``` +> Source code: test_programs/execution_success/hashmap/src/main.nr#L241-L256 + + +### capacity + +```rust title="capacity" showLineNumbers +pub fn capacity(_self: Self) -> u32 { +``` +> Source code: noir_stdlib/src/collections/map.nr#L446-L448 + + +Returns the maximum capacity of this hashmap. This is always equal to the capacity +specified in the hashmap's type. + +Unlike hashmaps in general purpose programming languages, hashmaps in Noir have a +static capacity that does not increase as the map grows larger. Thus, this capacity +is also the maximum possible element count that can be inserted into the hashmap. +Due to hash collisions (modulo the hashmap length), it is likely the actual maximum +element count will be lower than the full capacity. + +Example: + +```rust title="capacity_example" showLineNumbers +let empty_map: HashMap> = + HashMap::default(); + assert(empty_map.len() == 0); + assert(empty_map.capacity() == 42); +``` +> Source code: test_programs/execution_success/hashmap/src/main.nr#L257-L262 + + +### clear + +```rust title="clear" showLineNumbers +pub fn clear(&mut self) { +``` +> Source code: noir_stdlib/src/collections/map.nr#L123-L125 + + +Clears the hashmap, removing all key-value pairs from it. + +Example: + +```rust title="clear_example" showLineNumbers +assert(!map.is_empty()); + map.clear(); + assert(map.is_empty()); +``` +> Source code: test_programs/execution_success/hashmap/src/main.nr#L263-L267 + + +### contains_key + +```rust title="contains_key" showLineNumbers +pub fn contains_key(self, key: K) -> bool + where + K: Hash + Eq, + B: BuildHasher, + H: Hasher, + { +``` +> Source code: noir_stdlib/src/collections/map.nr#L143-L150 + + +True if the hashmap contains the given key. Unlike `get`, this will not also return +the value associated with the key. + +Example: + +```rust title="contains_key_example" showLineNumbers +if map.contains_key(7) { + let value = map.get(7); + assert(value.is_some()); + } else { + println("No value for key 7!"); + } +``` +> Source code: test_programs/execution_success/hashmap/src/main.nr#L268-L275 + + +### entries + +```rust title="entries" showLineNumbers +pub fn entries(self) -> BoundedVec<(K, V), N> { +``` +> Source code: noir_stdlib/src/collections/map.nr#L191-L193 + + +Returns a vector of each key-value pair present in the hashmap. + +The length of the returned vector is always equal to the length of the hashmap. + +Example: + +```rust title="entries_example" showLineNumbers +let entries = map.entries(); + + // The length of a hashmap may not be compile-time known, so we + // need to loop over its capacity instead + for i in 0..map.capacity() { + if i < entries.len() { + let (key, value) = entries.get(i); + println(f"{key} -> {value}"); + } + } +``` +> Source code: test_programs/execution_success/hashmap/src/main.nr#L307-L318 + + +### keys + +```rust title="keys" showLineNumbers +pub fn keys(self) -> BoundedVec { +``` +> Source code: noir_stdlib/src/collections/map.nr#L227-L229 + + +Returns a vector of each key present in the hashmap. + +The length of the returned vector is always equal to the length of the hashmap. + +Example: + +```rust title="keys_example" showLineNumbers +let keys = map.keys(); + + for i in 0..keys.max_len() { + if i < keys.len() { + let key = keys.get_unchecked(i); + let value = map.get(key).unwrap_unchecked(); + println(f"{key} -> {value}"); + } + } +``` +> Source code: test_programs/execution_success/hashmap/src/main.nr#L319-L329 + + +### values + +```rust title="values" showLineNumbers +pub fn values(self) -> BoundedVec { +``` +> Source code: noir_stdlib/src/collections/map.nr#L262-L264 + + +Returns a vector of each value present in the hashmap. + +The length of the returned vector is always equal to the length of the hashmap. + +Example: + +```rust title="values_example" showLineNumbers +let values = map.values(); + + for i in 0..values.max_len() { + if i < values.len() { + let value = values.get_unchecked(i); + println(f"Found value {value}"); + } + } +``` +> Source code: test_programs/execution_success/hashmap/src/main.nr#L330-L339 + + +### iter_mut + +```rust title="iter_mut" showLineNumbers +pub fn iter_mut(&mut self, f: fn(K, V) -> (K, V)) + where + K: Eq + Hash, + B: BuildHasher, + H: Hasher, + { +``` +> Source code: noir_stdlib/src/collections/map.nr#L297-L304 + + +Iterates through each key-value pair of the HashMap, setting each key-value pair to the +result returned from the given function. + +Note that since keys can be mutated, the HashMap needs to be rebuilt as it is iterated +through. If this is not desired, use `iter_values_mut` if only values need to be mutated, +or `entries` if neither keys nor values need to be mutated. + +The iteration order is left unspecified. As a result, if two keys are mutated to become +equal, which of the two values that will be present for the key in the resulting map is also unspecified. + +Example: + +```rust title="iter_mut_example" showLineNumbers +// Add 1 to each key in the map, and double the value associated with that key. + map.iter_mut(|k, v| (k + 1, v * 2)); +``` +> Source code: test_programs/execution_success/hashmap/src/main.nr#L343-L346 + + +### iter_keys_mut + +```rust title="iter_keys_mut" showLineNumbers +pub fn iter_keys_mut(&mut self, f: fn(K) -> K) + where + K: Eq + Hash, + B: BuildHasher, + H: Hasher, + { +``` +> Source code: noir_stdlib/src/collections/map.nr#L335-L342 + + +Iterates through the HashMap, mutating each key to the result returned from +the given function. + +Note that since keys can be mutated, the HashMap needs to be rebuilt as it is iterated +through. If only iteration is desired and the keys are not intended to be mutated, +prefer using `entries` instead. + +The iteration order is left unspecified. As a result, if two keys are mutated to become +equal, which of the two values that will be present for the key in the resulting map is also unspecified. + +Example: + +```rust title="iter_keys_mut_example" showLineNumbers +// Double each key, leaving the value associated with that key untouched + map.iter_keys_mut(|k| k * 2); +``` +> Source code: test_programs/execution_success/hashmap/src/main.nr#L347-L350 + + +### iter_values_mut + +```rust title="iter_values_mut" showLineNumbers +pub fn iter_values_mut(&mut self, f: fn(V) -> V) { +``` +> Source code: noir_stdlib/src/collections/map.nr#L367-L369 + + +Iterates through the HashMap, applying the given function to each value and mutating the +value to equal the result. This function is more efficient than `iter_mut` and `iter_keys_mut` +because the keys are untouched and the underlying hashmap thus does not need to be reordered. + +Example: + +```rust title="iter_values_mut_example" showLineNumbers +// Halve each value + map.iter_values_mut(|v| v / 2); +``` +> Source code: test_programs/execution_success/hashmap/src/main.nr#L351-L354 + + +### retain + +```rust title="retain" showLineNumbers +pub fn retain(&mut self, f: fn(K, V) -> bool) { +``` +> Source code: noir_stdlib/src/collections/map.nr#L388-L390 + + +Retains only the key-value pairs for which the given function returns true. +Any key-value pairs for which the function returns false will be removed from the map. + +Example: + +```rust title="retain_example" showLineNumbers +map.retain(|k, v| (k != 0) & (v != 0)); +``` +> Source code: test_programs/execution_success/hashmap/src/main.nr#L279-L281 + + +## Trait Implementations + +### default + +```rust title="default" showLineNumbers +impl Default for HashMap +where + B: BuildHasher + Default, + H: Hasher + Default, +{ + /// Constructs an empty HashMap. + /// + /// Example: + /// + /// ```noir + /// let hashmap: HashMap> = HashMap::default(); + /// assert(hashmap.is_empty()); + /// ``` + fn default() -> Self { +``` +> Source code: noir_stdlib/src/collections/map.nr#L681-L696 + + +Constructs an empty HashMap. + +Example: + +```rust title="default_example" showLineNumbers +let hashmap: HashMap> = HashMap::default(); + assert(hashmap.is_empty()); +``` +> Source code: test_programs/execution_success/hashmap/src/main.nr#L207-L210 + + +### eq + +```rust title="eq" showLineNumbers +impl Eq for HashMap +where + K: Eq + Hash, + V: Eq, + B: BuildHasher, + H: Hasher, +{ + /// Checks if two HashMaps are equal. + /// + /// Example: + /// + /// ```noir + /// let mut map1: HashMap> = HashMap::default(); + /// let mut map2: HashMap> = HashMap::default(); + /// + /// map1.insert(1, 2); + /// map1.insert(3, 4); + /// + /// map2.insert(3, 4); + /// map2.insert(1, 2); + /// + /// assert(map1 == map2); + /// ``` + fn eq(self, other: HashMap) -> bool { +``` +> Source code: noir_stdlib/src/collections/map.nr#L629-L654 + + +Checks if two HashMaps are equal. + +Example: + +```rust title="eq_example" showLineNumbers +let mut map1: HashMap> = HashMap::default(); + let mut map2: HashMap> = HashMap::default(); + + map1.insert(1, 2); + map1.insert(3, 4); + + map2.insert(3, 4); + map2.insert(1, 2); + + assert(map1 == map2); +``` +> Source code: test_programs/execution_success/hashmap/src/main.nr#L282-L293 + diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/containers/index.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/containers/index.md new file mode 100644 index 00000000000..ea84c6d5c21 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/containers/index.md @@ -0,0 +1,5 @@ +--- +title: Containers +description: Container types provided by Noir's standard library for storing and retrieving data +keywords: [containers, data types, vec, hashmap] +--- diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/containers/vec.mdx b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/containers/vec.mdx new file mode 100644 index 00000000000..475011922f8 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/containers/vec.mdx @@ -0,0 +1,170 @@ +--- +title: Vectors +description: Delve into the Vec data type in Noir. Learn about its methods, practical examples, and best practices for using Vectors in your Noir code. +keywords: [noir, vector type, methods, examples, dynamic arrays] +sidebar_position: 6 +--- + +import Experimental from '@site/src/components/Notes/_experimental.mdx'; + + + +A vector is a collection type similar to Rust's `Vec` type. In Noir, it is a convenient way to use slices as mutable arrays. + +Example: + +```rust +let mut vector: Vec = Vec::new(); +for i in 0..5 { + vector.push(i); +} +assert(vector.len() == 5); +``` + +## Methods + +### new + +Creates a new, empty vector. + +```rust +pub fn new() -> Self +``` + +Example: + +```rust +let empty_vector: Vec = Vec::new(); +assert(empty_vector.len() == 0); +``` + +### from_slice + +Creates a vector containing each element from a given slice. Mutations to the resulting vector will not affect the original slice. + +```rust +pub fn from_slice(slice: [T]) -> Self +``` + +Example: + +```rust +let slice: [Field] = &[1, 2, 3]; +let vector_from_slice = Vec::from_slice(slice); +assert(vector_from_slice.len() == 3); +``` + +### len + +Returns the number of elements in the vector. + +```rust +pub fn len(self) -> Field +``` + +Example: + +```rust +let empty_vector: Vec = Vec::new(); +assert(empty_vector.len() == 0); +``` + +### get + +Retrieves an element from the vector at a given index. Panics if the index points beyond the vector's end. + +```rust +pub fn get(self, index: Field) -> T +``` + +Example: + +```rust +let vector: Vec = Vec::from_slice(&[10, 20, 30]); +assert(vector.get(1) == 20); +``` + +### set + +```rust +pub fn set(&mut self: Self, index: u64, value: T) { +``` + +Writes an element to the vector at the given index, starting from zero. + +Panics if the index points beyond the vector's end. + +Example: + +```rust +let vector: Vec = Vec::from_slice(&[10, 20, 30]); +assert(vector.get(1) == 20); +vector.set(1, 42); +assert(vector.get(1) == 42); +``` + +### push + +Adds a new element to the vector's end, returning a new vector with a length one greater than the original unmodified vector. + +```rust +pub fn push(&mut self, elem: T) +``` + +Example: + +```rust +let mut vector: Vec = Vec::new(); +vector.push(10); +assert(vector.len() == 1); +``` + +### pop + +Removes an element from the vector's end, returning a new vector with a length one less than the original vector, along with the removed element. Panics if the vector's length is zero. + +```rust +pub fn pop(&mut self) -> T +``` + +Example: + +```rust +let mut vector = Vec::from_slice(&[10, 20]); +let popped_elem = vector.pop(); +assert(popped_elem == 20); +assert(vector.len() == 1); +``` + +### insert + +Inserts an element at a specified index, shifting subsequent elements to the right. + +```rust +pub fn insert(&mut self, index: Field, elem: T) +``` + +Example: + +```rust +let mut vector = Vec::from_slice(&[10, 30]); +vector.insert(1, 20); +assert(vector.get(1) == 20); +``` + +### remove + +Removes an element at a specified index, shifting subsequent elements to the left, and returns the removed element. + +```rust +pub fn remove(&mut self, index: Field) -> T +``` + +Example: + +```rust +let mut vector = Vec::from_slice(&[10, 20, 30]); +let removed_elem = vector.remove(1); +assert(removed_elem == 20); +assert(vector.len() == 2); +``` diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/cryptographic_primitives/_category_.json b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/cryptographic_primitives/_category_.json new file mode 100644 index 00000000000..5d694210bbf --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/cryptographic_primitives/_category_.json @@ -0,0 +1,5 @@ +{ + "position": 0, + "collapsible": true, + "collapsed": true +} diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/cryptographic_primitives/ciphers.mdx b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/cryptographic_primitives/ciphers.mdx new file mode 100644 index 00000000000..d6a5e1a79eb --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/cryptographic_primitives/ciphers.mdx @@ -0,0 +1,32 @@ +--- +title: Ciphers +description: + Learn about the implemented ciphers ready to use for any Noir project +keywords: + [ciphers, Noir project, aes128, encrypt] +sidebar_position: 0 +--- + +import BlackBoxInfo from '@site/src/components/Notes/_blackbox'; + +## aes128 + +Given a plaintext as an array of bytes, returns the corresponding aes128 ciphertext (CBC mode). Input padding is automatically performed using PKCS#7, so that the output length is `input.len() + (16 - input.len() % 16)`. + +```rust title="aes128" showLineNumbers +pub fn aes128_encrypt(input: [u8; N], iv: [u8; 16], key: [u8; 16]) -> [u8] {} +``` +> Source code: noir_stdlib/src/aes128.nr#L2-L4 + + +```rust +fn main() { + let input: [u8; 4] = [0, 12, 3, 15] // Random bytes, will be padded to 16 bytes. + let iv: [u8; 16] = [0; 16]; // Initialisation vector + let key: [u8; 16] = [0; 16] // AES key + let ciphertext = std::aes128::aes128_encrypt(inputs.as_bytes(), iv.as_bytes(), key.as_bytes()); // In this case, the output length will be 16 bytes. +} +``` + + + \ No newline at end of file diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/cryptographic_primitives/ec_primitives.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/cryptographic_primitives/ec_primitives.md new file mode 100644 index 00000000000..f262d8160d6 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/cryptographic_primitives/ec_primitives.md @@ -0,0 +1,102 @@ +--- +title: Elliptic Curve Primitives +keywords: [cryptographic primitives, Noir project] +sidebar_position: 4 +--- + +Data structures and methods on them that allow you to carry out computations involving elliptic +curves over the (mathematical) field corresponding to `Field`. For the field currently at our +disposal, applications would involve a curve embedded in BN254, e.g. the +[Baby Jubjub curve](https://eips.ethereum.org/EIPS/eip-2494). + +## Data structures + +### Elliptic curve configurations + +(`std::ec::{tecurve,montcurve,swcurve}::{affine,curvegroup}::Curve`), i.e. the specific elliptic +curve you want to use, which would be specified using any one of the methods +`std::ec::{tecurve,montcurve,swcurve}::{affine,curvegroup}::new` which take the coefficients in the +defining equation together with a generator point as parameters. You can find more detail in the +comments in +[`noir_stdlib/src/ec/mod.nr`](https://github.com/noir-lang/noir/blob/master/noir_stdlib/src/ec/mod.nr), but +the gist of it is that the elliptic curves of interest are usually expressed in one of the standard +forms implemented here (Twisted Edwards, Montgomery and Short Weierstraß), and in addition to that, +you could choose to use `affine` coordinates (Cartesian coordinates - the usual (x,y) - possibly +together with a point at infinity) or `curvegroup` coordinates (some form of projective coordinates +requiring more coordinates but allowing for more efficient implementations of elliptic curve +operations). Conversions between all of these forms are provided, and under the hood these +conversions are done whenever an operation is more efficient in a different representation (or a +mixed coordinate representation is employed). + +### Points + +(`std::ec::{tecurve,montcurve,swcurve}::{affine,curvegroup}::Point`), i.e. points lying on the +elliptic curve. For a curve configuration `c` and a point `p`, it may be checked that `p` +does indeed lie on `c` by calling `c.contains(p1)`. + +## Methods + +(given a choice of curve representation, e.g. use `std::ec::tecurve::affine::Curve` and use +`std::ec::tecurve::affine::Point`) + +- The **zero element** is given by `Point::zero()`, and we can verify whether a point `p: Point` is + zero by calling `p.is_zero()`. +- **Equality**: Points `p1: Point` and `p2: Point` may be checked for equality by calling + `p1.eq(p2)`. +- **Addition**: For `c: Curve` and points `p1: Point` and `p2: Point` on the curve, adding these two + points is accomplished by calling `c.add(p1,p2)`. +- **Negation**: For a point `p: Point`, `p.negate()` is its negation. +- **Subtraction**: For `c` and `p1`, `p2` as above, subtracting `p2` from `p1` is accomplished by + calling `c.subtract(p1,p2)`. +- **Scalar multiplication**: For `c` as above, `p: Point` a point on the curve and `n: Field`, + scalar multiplication is given by `c.mul(n,p)`. If instead `n :: [u1; N]`, i.e. `n` is a bit + array, the `bit_mul` method may be used instead: `c.bit_mul(n,p)` +- **Multi-scalar multiplication**: For `c` as above and arrays `n: [Field; N]` and `p: [Point; N]`, + multi-scalar multiplication is given by `c.msm(n,p)`. +- **Coordinate representation conversions**: The `into_group` method converts a point or curve + configuration in the affine representation to one in the CurveGroup representation, and + `into_affine` goes in the other direction. +- **Curve representation conversions**: `tecurve` and `montcurve` curves and points are equivalent + and may be converted between one another by calling `into_montcurve` or `into_tecurve` on their + configurations or points. `swcurve` is more general and a curve c of one of the other two types + may be converted to this representation by calling `c.into_swcurve()`, whereas a point `p` lying + on the curve given by `c` may be mapped to its corresponding `swcurve` point by calling + `c.map_into_swcurve(p)`. +- **Map-to-curve methods**: The Elligator 2 method of mapping a field element `n: Field` into a + `tecurve` or `montcurve` with configuration `c` may be called as `c.elligator2_map(n)`. For all of + the curve configurations, the SWU map-to-curve method may be called as `c.swu_map(z,n)`, where + `z: Field` depends on `Field` and `c` and must be chosen by the user (the conditions it needs to + satisfy are specified in the comments + [here](https://github.com/noir-lang/noir/blob/master/noir_stdlib/src/ec/mod.nr)). + +## Examples + +The +[ec_baby_jubjub test](https://github.com/noir-lang/noir/blob/master/test_programs/compile_success_empty/ec_baby_jubjub/src/main.nr) +illustrates all of the above primitives on various forms of the Baby Jubjub curve. A couple of more +interesting examples in Noir would be: + +Public-key cryptography: Given an elliptic curve and a 'base point' on it, determine the public key +from the private key. This is a matter of using scalar multiplication. In the case of Baby Jubjub, +for example, this code would do: + +```rust +use std::ec::tecurve::affine::{Curve, Point}; + +fn bjj_pub_key(priv_key: Field) -> Point +{ + + let bjj = Curve::new(168700, 168696, G::new(995203441582195749578291179787384436505546430278305826713579947235728471134,5472060717959818805561601436314318772137091100104008585924551046643952123905)); + + let base_pt = Point::new(5299619240641551281634865583518297030282874472190772894086521144482721001553, 16950150798460657717958625567821834550301663161624707787222815936182638968203); + + bjj.mul(priv_key,base_pt) +} +``` + +This would come in handy in a Merkle proof. + +- EdDSA signature verification: This is a matter of combining these primitives with a suitable hash + function. See + [feat(stdlib): EdDSA sig verification noir#1136](https://github.com/noir-lang/noir/pull/1136) for + the case of Baby Jubjub and the Poseidon hash function. diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/cryptographic_primitives/ecdsa_sig_verification.mdx b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/cryptographic_primitives/ecdsa_sig_verification.mdx new file mode 100644 index 00000000000..8d96027b42c --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/cryptographic_primitives/ecdsa_sig_verification.mdx @@ -0,0 +1,98 @@ +--- +title: ECDSA Signature Verification +description: Learn about the cryptographic primitives regarding ECDSA over the secp256k1 and secp256r1 curves +keywords: [cryptographic primitives, Noir project, ecdsa, secp256k1, secp256r1, signatures] +sidebar_position: 3 +--- + +import BlackBoxInfo from '@site/src/components/Notes/_blackbox'; + +Noir supports ECDSA signatures verification over the secp256k1 and secp256r1 curves. + +## ecdsa_secp256k1::verify_signature + +Verifier for ECDSA Secp256k1 signatures. +See ecdsa_secp256k1::verify_signature_slice for a version that accepts slices directly. + +```rust title="ecdsa_secp256k1" showLineNumbers +pub fn verify_signature( + public_key_x: [u8; 32], + public_key_y: [u8; 32], + signature: [u8; 64], + message_hash: [u8; N], +) -> bool +``` +> Source code: noir_stdlib/src/ecdsa_secp256k1.nr#L2-L9 + + +example: + +```rust +fn main(hashed_message : [u8;32], pub_key_x : [u8;32], pub_key_y : [u8;32], signature : [u8;64]) { + let valid_signature = std::ecdsa_secp256k1::verify_signature(pub_key_x, pub_key_y, signature, hashed_message); + assert(valid_signature); +} +``` + + + +## ecdsa_secp256k1::verify_signature_slice + +Verifier for ECDSA Secp256k1 signatures where the message is a slice. + +```rust title="ecdsa_secp256k1_slice" showLineNumbers +pub fn verify_signature_slice( + public_key_x: [u8; 32], + public_key_y: [u8; 32], + signature: [u8; 64], + message_hash: [u8], +) -> bool +``` +> Source code: noir_stdlib/src/ecdsa_secp256k1.nr#L13-L20 + + + + +## ecdsa_secp256r1::verify_signature + +Verifier for ECDSA Secp256r1 signatures. +See ecdsa_secp256r1::verify_signature_slice for a version that accepts slices directly. + +```rust title="ecdsa_secp256r1" showLineNumbers +pub fn verify_signature( + public_key_x: [u8; 32], + public_key_y: [u8; 32], + signature: [u8; 64], + message_hash: [u8; N], +) -> bool +``` +> Source code: noir_stdlib/src/ecdsa_secp256r1.nr#L2-L9 + + +example: + +```rust +fn main(hashed_message : [u8;32], pub_key_x : [u8;32], pub_key_y : [u8;32], signature : [u8;64]) { + let valid_signature = std::ecdsa_secp256r1::verify_signature(pub_key_x, pub_key_y, signature, hashed_message); + assert(valid_signature); +} +``` + + + +## ecdsa_secp256r1::verify_signature + +Verifier for ECDSA Secp256r1 signatures where the message is a slice. + +```rust title="ecdsa_secp256r1_slice" showLineNumbers +pub fn verify_signature_slice( + public_key_x: [u8; 32], + public_key_y: [u8; 32], + signature: [u8; 64], + message_hash: [u8], +) -> bool +``` +> Source code: noir_stdlib/src/ecdsa_secp256r1.nr#L13-L20 + + + diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/cryptographic_primitives/eddsa.mdx b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/cryptographic_primitives/eddsa.mdx new file mode 100644 index 00000000000..b283de693c8 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/cryptographic_primitives/eddsa.mdx @@ -0,0 +1,37 @@ +--- +title: EdDSA Verification +description: Learn about the cryptographic primitives regarding EdDSA +keywords: [cryptographic primitives, Noir project, eddsa, signatures] +sidebar_position: 5 +--- + +import BlackBoxInfo from '@site/src/components/Notes/_blackbox'; + +## eddsa::eddsa_poseidon_verify + +Verifier for EdDSA signatures + +```rust +fn eddsa_poseidon_verify(public_key_x : Field, public_key_y : Field, signature_s: Field, signature_r8_x: Field, signature_r8_y: Field, message: Field) -> bool +``` + +It is also possible to specify the hash algorithm used for the signature by using the `eddsa_verify` function by passing a type implementing the Hasher trait with the turbofish operator. +For instance, if you want to use Poseidon2 instead, you can do the following: +```rust +use std::hash::poseidon2::Poseidon2Hasher; + +eddsa_verify::(pub_key_a.x, pub_key_a.y, s_a, r8_a.x, r8_a.y, msg); +``` + + + +## eddsa::eddsa_to_pub + +Private to public key conversion. + +Returns `(pub_key_x, pub_key_y)` + +```rust +fn eddsa_to_pub(secret : Field) -> (Field, Field) +``` + diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/cryptographic_primitives/embedded_curve_ops.mdx b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/cryptographic_primitives/embedded_curve_ops.mdx new file mode 100644 index 00000000000..482a36932b9 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/cryptographic_primitives/embedded_curve_ops.mdx @@ -0,0 +1,95 @@ +--- +title: Scalar multiplication +description: See how you can perform scalar multiplication in Noir +keywords: [cryptographic primitives, Noir project, scalar multiplication] +sidebar_position: 1 +--- + +import BlackBoxInfo from '@site/src/components/Notes/_blackbox'; + +The following functions perform operations over the embedded curve whose coordinates are defined by the configured noir field. +For the BN254 scalar field, this is BabyJubJub or Grumpkin. + +:::note +Suffixes `_low` and `_high` denote low and high limbs of a scalar. +::: + +## embedded_curve_ops::multi_scalar_mul + +Performs multi scalar multiplication over the embedded curve. +The function accepts arbitrary amount of point-scalar pairs on the input, it multiplies the individual pairs over +the curve and returns a sum of the resulting points. + +Points represented as x and y coordinates [x1, y1, x2, y2, ...], scalars as low and high limbs [low1, high1, low2, high2, ...]. + +```rust title="multi_scalar_mul" showLineNumbers +pub fn multi_scalar_mul( + points: [EmbeddedCurvePoint; N], + scalars: [EmbeddedCurveScalar; N], +) -> EmbeddedCurvePoint +``` +> Source code: noir_stdlib/src/embedded_curve_ops.nr#L103-L108 + + +example + +```rust +fn main(point_x: Field, point_y: Field, scalar_low: Field, scalar_high: Field) { + let point = std::embedded_curve_ops::multi_scalar_mul([point_x, point_y], [scalar_low, scalar_high]); + println(point); +} +``` + +## embedded_curve_ops::fixed_base_scalar_mul + +Performs fixed base scalar multiplication over the embedded curve (multiplies input scalar with a generator point). +The function accepts a single scalar on the input represented as 2 fields. + +```rust title="fixed_base_scalar_mul" showLineNumbers +pub fn fixed_base_scalar_mul(scalar: EmbeddedCurveScalar) -> EmbeddedCurvePoint +``` +> Source code: noir_stdlib/src/embedded_curve_ops.nr#L120-L122 + + +example + +```rust +fn main(scalar_low: Field, scalar_high: Field) { + let point = std::embedded_curve_ops::fixed_base_scalar_mul(scalar_low, scalar_high); + println(point); +} +``` + +## embedded_curve_ops::embedded_curve_add + +Adds two points on the embedded curve. +This function takes two `EmbeddedCurvePoint` structures as parameters, representing points on the curve, and returns a new `EmbeddedCurvePoint` structure that represents their sum. + +### Parameters: +- `point1` (`EmbeddedCurvePoint`): The first point to add. +- `point2` (`EmbeddedCurvePoint`): The second point to add. + +### Returns: +- `EmbeddedCurvePoint`: The resulting point after the addition of `point1` and `point2`. + +```rust title="embedded_curve_add" showLineNumbers +pub fn embedded_curve_add( + point1: EmbeddedCurvePoint, + point2: EmbeddedCurvePoint, +) -> EmbeddedCurvePoint { +``` +> Source code: noir_stdlib/src/embedded_curve_ops.nr#L136-L141 + + +example + +```rust +fn main() { + let point1 = EmbeddedCurvePoint { x: 1, y: 2 }; + let point2 = EmbeddedCurvePoint { x: 3, y: 4 }; + let result = std::embedded_curve_ops::embedded_curve_add(point1, point2); + println!("Resulting Point: ({}, {})", result.x, result.y); +} +``` + + diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/cryptographic_primitives/hashes.mdx b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/cryptographic_primitives/hashes.mdx new file mode 100644 index 00000000000..541a1971561 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/cryptographic_primitives/hashes.mdx @@ -0,0 +1,227 @@ +--- +title: Hash methods +description: + Learn about the cryptographic primitives ready to use for any Noir project, including sha256, + blake2s and pedersen +keywords: + [cryptographic primitives, Noir project, sha256, blake2s, pedersen, hash] +sidebar_position: 0 +--- + +import BlackBoxInfo from '@site/src/components/Notes/_blackbox'; + +## sha256 + +Given an array of bytes, returns the resulting sha256 hash. +Specify a message_size to hash only the first `message_size` bytes of the input. + +```rust title="sha256" showLineNumbers +pub fn sha256(input: [u8; N]) -> HASH +``` +> Source code: noir_stdlib/src/hash/sha256.nr#L47-L49 + + +example: +```rust title="sha256_var" showLineNumbers +let digest = std::hash::sha256_var([x as u8], 1); +``` +> Source code: test_programs/execution_success/sha256/src/main.nr#L15-L17 + + +```rust +fn main() { + let x = [163, 117, 178, 149]; // some random bytes + let hash = std::sha256::sha256_var(x, 4); +} +``` + + + + +## blake2s + +Given an array of bytes, returns an array with the Blake2 hash + +```rust title="blake2s" showLineNumbers +pub fn blake2s(input: [u8; N]) -> [u8; 32] +``` +> Source code: noir_stdlib/src/hash/mod.nr#L18-L20 + + +example: + +```rust +fn main() { + let x = [163, 117, 178, 149]; // some random bytes + let hash = std::hash::blake2s(x); +} +``` + + + +## blake3 + +Given an array of bytes, returns an array with the Blake3 hash + +```rust title="blake3" showLineNumbers +pub fn blake3(input: [u8; N]) -> [u8; 32] +``` +> Source code: noir_stdlib/src/hash/mod.nr#L24-L26 + + +example: + +```rust +fn main() { + let x = [163, 117, 178, 149]; // some random bytes + let hash = std::hash::blake3(x); +} +``` + + + +## pedersen_hash + +Given an array of Fields, returns the Pedersen hash. + +```rust title="pedersen_hash" showLineNumbers +pub fn pedersen_hash(input: [Field; N]) -> Field +``` +> Source code: noir_stdlib/src/hash/mod.nr#L49-L51 + + +example: + +```rust title="pedersen-hash" showLineNumbers +fn main(x: Field, y: Field, expected_hash: Field) { + let hash = std::hash::pedersen_hash([x, y]); + assert_eq(hash, expected_hash); +} +``` +> Source code: test_programs/execution_success/pedersen_hash/src/main.nr#L1-L6 + + + + +## pedersen_commitment + +Given an array of Fields, returns the Pedersen commitment. + +```rust title="pedersen_commitment" showLineNumbers +pub fn pedersen_commitment(input: [Field; N]) -> EmbeddedCurvePoint { +``` +> Source code: noir_stdlib/src/hash/mod.nr#L29-L31 + + +example: + +```rust title="pedersen-commitment" showLineNumbers +fn main(x: Field, y: Field, expected_commitment: std::embedded_curve_ops::EmbeddedCurvePoint) { + let commitment = std::hash::pedersen_commitment([x, y]); + assert_eq(commitment.x, expected_commitment.x); + assert_eq(commitment.y, expected_commitment.y); +} +``` +> Source code: test_programs/execution_success/pedersen_commitment/src/main.nr#L1-L7 + + + + +## keccak256 + +Given an array of bytes (`u8`), returns the resulting keccak hash as an array of +32 bytes (`[u8; 32]`). Specify a message_size to hash only the first +`message_size` bytes of the input. + +```rust title="keccak256" showLineNumbers +pub fn keccak256(input: [u8; N], message_size: u32) -> [u8; 32] +``` +> Source code: noir_stdlib/src/hash/mod.nr#L116-L118 + + +example: + +```rust title="keccak256" showLineNumbers +fn main(x: Field, result: [u8; 32]) { + // We use the `as` keyword here to denote the fact that we want to take just the first byte from the x Field + // The padding is taken care of by the program + let digest = std::hash::keccak256([x as u8], 1); + assert(digest == result); + + //#1399: variable message size + let message_size = 4; + let hash_a = std::hash::keccak256([1, 2, 3, 4], message_size); + let hash_b = std::hash::keccak256([1, 2, 3, 4, 0, 0, 0, 0], message_size); + + assert(hash_a == hash_b); + + let message_size_big = 8; + let hash_c = std::hash::keccak256([1, 2, 3, 4, 0, 0, 0, 0], message_size_big); + + assert(hash_a != hash_c); +} +``` +> Source code: test_programs/execution_success/keccak256/src/main.nr#L1-L20 + + + + +## poseidon + +Given an array of Fields, returns a new Field with the Poseidon Hash. Mind that you need to specify +how many inputs are there to your Poseidon function. + +```rust +// example for hash_1, hash_2 accepts an array of length 2, etc +fn hash_1(input: [Field; 1]) -> Field +``` + +example: + +```rust title="poseidon" showLineNumbers +use std::hash::poseidon; + +fn main(x1: [Field; 2], y1: pub Field, x2: [Field; 4], y2: pub Field) { + let hash1 = poseidon::bn254::hash_2(x1); + assert(hash1 == y1); + + let hash2 = poseidon::bn254::hash_4(x2); + assert(hash2 == y2); +} +``` +> Source code: test_programs/execution_success/poseidon_bn254_hash/src/main.nr#L1-L11 + + +## poseidon 2 + +Given an array of Fields, returns a new Field with the Poseidon2 Hash. Contrary to the Poseidon +function, there is only one hash and you can specify a message_size to hash only the first +`message_size` bytes of the input, + +```rust +// example for hashing the first three elements of the input +Poseidon2::hash(input, 3); +``` + +example: + +```rust title="poseidon2" showLineNumbers +use std::hash::poseidon2; + +fn main(inputs: [Field; 4], expected_hash: Field) { + let hash = poseidon2::Poseidon2::hash(inputs, inputs.len()); + assert_eq(hash, expected_hash); +} +``` +> Source code: test_programs/execution_success/poseidon2/src/main.nr#L1-L8 + + +## hash_to_field + +```rust +fn hash_to_field(_input : [Field]) -> Field {} +``` + +Calculates the `blake2s` hash of the inputs and returns the hash modulo the field modulus to return +a value which can be represented as a `Field`. + diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/cryptographic_primitives/index.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/cryptographic_primitives/index.md new file mode 100644 index 00000000000..650f30165d5 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/cryptographic_primitives/index.md @@ -0,0 +1,14 @@ +--- +title: Cryptographic Primitives +description: + Learn about the cryptographic primitives ready to use for any Noir project +keywords: + [ + cryptographic primitives, + Noir project, + ] +--- + +The Noir team is progressively adding new cryptographic primitives to the standard library. Reach out for news or if you would be interested in adding more of these calculations in Noir. + +Some methods are available thanks to the Aztec backend, not being performed using Noir. When using other backends, these methods may or may not be supplied. diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/cryptographic_primitives/schnorr.mdx b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/cryptographic_primitives/schnorr.mdx new file mode 100644 index 00000000000..030452645c5 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/cryptographic_primitives/schnorr.mdx @@ -0,0 +1,64 @@ +--- +title: Schnorr Signatures +description: Learn how you can verify Schnorr signatures using Noir +keywords: [cryptographic primitives, Noir project, schnorr, signatures] +sidebar_position: 2 +--- + +import BlackBoxInfo from '@site/src/components/Notes/_blackbox'; + +## schnorr::verify_signature + +Verifier for Schnorr signatures over the embedded curve (for BN254 it is Grumpkin). +See schnorr::verify_signature_slice for a version that works directly on slices. + +```rust title="schnorr_verify" showLineNumbers +pub fn verify_signature( + public_key_x: Field, + public_key_y: Field, + signature: [u8; 64], + message: [u8; N], +) -> bool +``` +> Source code: noir_stdlib/src/schnorr.nr#L4-L11 + + +where `_signature` can be generated like so using the npm package +[@noir-lang/barretenberg](https://www.npmjs.com/package/@noir-lang/barretenberg) + +```js +const { BarretenbergWasm } = require('@noir-lang/barretenberg/dest/wasm'); +const { Schnorr } = require('@noir-lang/barretenberg/dest/crypto/schnorr'); + +... + +const barretenberg = await BarretenbergWasm.new(); +const schnorr = new Schnorr(barretenberg); +const pubKey = schnorr.computePublicKey(privateKey); +const message = ... +const signature = Array.from( + schnorr.constructSignature(hash, privateKey).toBuffer() +); + +... +``` + + + +## schnorr::verify_signature_slice + +Verifier for Schnorr signatures over the embedded curve (for BN254 it is Grumpkin) +where the message is a slice. + +```rust title="schnorr_verify_slice" showLineNumbers +pub fn verify_signature_slice( + public_key_x: Field, + public_key_y: Field, + signature: [u8; 64], + message: [u8], +) -> bool +``` +> Source code: noir_stdlib/src/schnorr.nr#L15-L22 + + + diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/fmtstr.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/fmtstr.md new file mode 100644 index 00000000000..19809d60261 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/fmtstr.md @@ -0,0 +1,17 @@ +--- +title: fmtstr +--- + +`fmtstr` is the type resulting from using format string (`f"..."`). + +## Methods + +### quoted_contents + +```rust title="quoted_contents" showLineNumbers +pub comptime fn quoted_contents(self) -> Quoted {} +``` +> Source code: noir_stdlib/src/meta/format_string.nr#L3-L5 + + +Returns the format string contents (that is, without the leading and trailing double quotes) as a `Quoted` value. \ No newline at end of file diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/is_unconstrained.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/is_unconstrained.md new file mode 100644 index 00000000000..51bb1bda8f1 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/is_unconstrained.md @@ -0,0 +1,69 @@ +--- +title: Is Unconstrained Function +description: + The is_unconstrained function returns wether the context at that point of the program is unconstrained or not. +keywords: + [ + unconstrained + ] +--- + +It's very common for functions in circuits to take unconstrained hints of an expensive computation and then verify it. This is done by running the hint in an unconstrained context and then verifying the result in a constrained context. + +When a function is marked as unconstrained, any subsequent functions that it calls will also be run in an unconstrained context. However, if we are implementing a library function, other users might call it within an unconstrained context or a constrained one. Generally, in an unconstrained context we prefer just computing the result instead of taking a hint of it and verifying it, since that'd mean doing the same computation twice: + +```rust + +fn my_expensive_computation(){ + ... +} + +unconstrained fn my_expensive_computation_hint(){ + my_expensive_computation() +} + +pub fn external_interface(){ + my_expensive_computation_hint(); + // verify my_expensive_computation: If external_interface is called from unconstrained, this is redundant + ... +} + +``` + +In order to improve the performance in an unconstrained context you can use the function at `std::runtime::is_unconstrained() -> bool`: + + +```rust +use dep::std::runtime::is_unconstrained; + +fn my_expensive_computation(){ + ... +} + +unconstrained fn my_expensive_computation_hint(){ + my_expensive_computation() +} + +pub fn external_interface(){ + if is_unconstrained() { + my_expensive_computation(); + } else { + my_expensive_computation_hint(); + // verify my_expensive_computation + ... + } +} + +``` + +The is_unconstrained result is resolved at compile time, so in unconstrained contexts the compiler removes the else branch, and in constrained contexts the compiler removes the if branch, reducing the amount of compute necessary to run external_interface. + +Note that using `is_unconstrained` in a `comptime` context will also return `true`: + +``` +fn main() { + comptime { + assert(is_unconstrained()); + } +} +``` diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/logging.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/logging.md new file mode 100644 index 00000000000..db75ef9f86f --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/logging.md @@ -0,0 +1,78 @@ +--- +title: Logging +description: + Learn how to use the println statement for debugging in Noir with this tutorial. Understand the + basics of logging in Noir and how to implement it in your code. +keywords: + [ + noir logging, + println statement, + print statement, + debugging in noir, + noir std library, + logging tutorial, + basic logging in noir, + noir logging implementation, + noir debugging techniques, + rust, + ] +--- + +The standard library provides two familiar statements you can use: `println` and `print`. Despite being a limited implementation of rust's `println!` and `print!` macros, these constructs can be useful for debugging. + +You can print the output of both statements in your Noir code by using the `nargo execute` command or the `--show-output` flag when using `nargo test` (provided there are print statements in your tests). + +It is recommended to use `nargo execute` if you want to debug failing constraints with `println` or `print` statements. This is due to every input in a test being a constant rather than a witness, so we issue an error during compilation while we only print during execution (which comes after compilation). Neither `println`, nor `print` are callable for failed constraints caught at compile time. + +Both `print` and `println` are generic functions which can work on integers, fields, strings, and even structs or expressions. Note however, that slices are currently unsupported. For example: + +```rust +struct Person { + age: Field, + height: Field, +} + +fn main(age: Field, height: Field) { + let person = Person { + age: age, + height: height, + }; + println(person); + println(age + height); + println("Hello world!"); +} +``` + +You can print different types in the same statement (including strings) with a type called `fmtstr`. It can be specified in the same way as a normal string, just prepended with an "f" character: + +```rust + let fmt_str = f"i: {i}, j: {j}"; + println(fmt_str); + + let s = myStruct { y: x, x: y }; + println(s); + + println(f"i: {i}, s: {s}"); + + println(x); + println([x, y]); + + let foo = fooStruct { my_struct: s, foo: 15 }; + println(f"s: {s}, foo: {foo}"); + + println(15); // prints 0x0f, implicit Field + println(-1 as u8); // prints 255 + println(-1 as i8); // prints -1 +``` + +Examples shown above are interchangeable between the two `print` statements: + +```rust +let person = Person { age : age, height : height }; + +println(person); +print(person); + +println("Hello world!"); // Prints with a newline at the end of the input +print("Hello world!"); // Prints the input and keeps cursor on the same line +``` diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/mem.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/mem.md new file mode 100644 index 00000000000..95d36ac2a72 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/mem.md @@ -0,0 +1,52 @@ +--- +title: Memory Module +description: + This module contains functions which manipulate memory in a low-level way +keywords: + [ + mem, memory, zeroed, transmute, checked_transmute + ] +--- + +# `std::mem::zeroed` + +```rust +fn zeroed() -> T +``` + +Returns a zeroed value of any type. +This function is generally unsafe to use as the zeroed bit pattern is not guaranteed to be valid for all types. +It can however, be useful in cases when the value is guaranteed not to be used such as in a BoundedVec library implementing a growable vector, up to a certain length, backed by an array. +The array can be initialized with zeroed values which are guaranteed to be inaccessible until the vector is pushed to. +Similarly, enumerations in noir can be implemented using this method by providing zeroed values for the unused variants. + +This function currently supports the following types: + +- Field +- Bool +- Uint +- Array +- Slice +- String +- Tuple +- Functions + +Using it on other types could result in unexpected behavior. + +# `std::mem::checked_transmute` + +```rust +fn checked_transmute(value: T) -> U +``` + +Transmutes a value of one type into the same value but with a new type `U`. + +This function is safe to use since both types are asserted to be equal later during compilation after the concrete values for generic types become known. +This function is useful for cases where the compiler may fails a type check that is expected to pass where +a user knows the two types to be equal. For example, when using arithmetic generics there are cases the compiler +does not see as equal, such as `[Field; N*(A + B)]` and `[Field; N*A + N*B]`, which users may know to be equal. +In these cases, `checked_transmute` can be used to cast the value to the desired type while also preserving safety +by checking this equality once `N`, `A`, `B` are fully resolved. + +Note that since this safety check is performed after type checking rather than during, no error is issued if the function +containing `checked_transmute` is never called. diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/merkle_trees.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/merkle_trees.md new file mode 100644 index 00000000000..6a9ebf72ada --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/merkle_trees.md @@ -0,0 +1,58 @@ +--- +title: Merkle Trees +description: Learn about Merkle Trees in Noir with this tutorial. Explore the basics of computing a merkle root using a proof, with examples. +keywords: + [ + Merkle trees in Noir, + Noir programming language, + check membership, + computing root from leaf, + Noir Merkle tree implementation, + Merkle tree tutorial, + Merkle tree code examples, + Noir libraries, + pedersen hash., + ] +--- + +## compute_merkle_root + +Returns the root of the tree from the provided leaf and its hash path, using a [Pedersen hash](./cryptographic_primitives/hashes.mdx#pedersen_hash). + +```rust +fn compute_merkle_root(leaf : Field, index : Field, hash_path: [Field]) -> Field +``` + +example: + +```rust +/** + // these values are for this example only + index = "0" + priv_key = "0x000000000000000000000000000000000000000000000000000000616c696365" + secret = "0x1929ea3ab8d9106a899386883d9428f8256cfedb3c4f6b66bf4aa4d28a79988f" + note_hash_path = [ + "0x1e61bdae0f027b1b2159e1f9d3f8d00fa668a952dddd822fda80dc745d6f65cc", + "0x0e4223f3925f98934393c74975142bd73079ab0621f4ee133cee050a3c194f1a", + "0x2fd7bb412155bf8693a3bd2a3e7581a679c95c68a052f835dddca85fa1569a40" + ] + */ +fn main(index: Field, priv_key: Field, secret: Field, note_hash_path: [Field; 3]) { + + let pubkey = std::scalar_mul::fixed_base_embedded_curve(priv_key); + let pubkey_x = pubkey[0]; + let pubkey_y = pubkey[1]; + let note_commitment = std::hash::pedersen(&[pubkey_x, pubkey_y, secret]); + + let root = std::merkle::compute_merkle_root(note_commitment[0], index, note_hash_path.as_slice()); + println(root); +} +``` + +To check merkle tree membership: + +1. Include a merkle root as a program input. +2. Compute the merkle root of a given leaf, index and hash path. +3. Assert the merkle roots are equal. + +For more info about merkle trees, see the Wikipedia [page](https://en.wikipedia.org/wiki/Merkle_tree). diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/meta/ctstring.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/meta/ctstring.md new file mode 100644 index 00000000000..b76f873ca03 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/meta/ctstring.md @@ -0,0 +1,100 @@ +--- +title: CtString +--- + +`std::meta::ctstring` contains methods on the built-in `CtString` type which is +a compile-time, dynamically-sized string type. Compared to `str` and `fmtstr`, +`CtString` is useful because its size does not need to be specified in its type. This +can be used for formatting items at compile-time or general string handling in `comptime` +code. + +Since `fmtstr`s can be converted into `CtString`s, you can make use of their formatting +abilities in CtStrings by formatting in `fmtstr`s then converting the result to a CtString +afterward. + +## Traits + +### AsCtString + +```rust title="as-ctstring" showLineNumbers +pub trait AsCtString { + comptime fn as_ctstring(self) -> CtString; +} +``` +> Source code: noir_stdlib/src/meta/ctstring.nr#L43-L47 + + +Converts an object into a compile-time string. + +Implementations: + +```rust +impl AsCtString for str { ... } +impl AsCtString for fmtstr { ... } +``` + +## Methods + +### new + +```rust title="new" showLineNumbers +pub comptime fn new() -> Self { +``` +> Source code: noir_stdlib/src/meta/ctstring.nr#L4-L6 + + +Creates an empty `CtString`. + +### append_str + +```rust title="append_str" showLineNumbers +pub comptime fn append_str(self, s: str) -> Self { +``` +> Source code: noir_stdlib/src/meta/ctstring.nr#L11-L13 + + +Returns a new CtString with the given str appended onto the end. + +### append_fmtstr + +```rust title="append_fmtstr" showLineNumbers +pub comptime fn append_fmtstr(self, s: fmtstr) -> Self { +``` +> Source code: noir_stdlib/src/meta/ctstring.nr#L17-L19 + + +Returns a new CtString with the given fmtstr appended onto the end. + +### as_quoted_str + +```rust title="as_quoted_str" showLineNumbers +pub comptime fn as_quoted_str(self) -> Quoted { +``` +> Source code: noir_stdlib/src/meta/ctstring.nr#L26-L28 + + +Returns a quoted string literal from this string's contents. + +There is no direct conversion from a `CtString` to a `str` since +the size would not be known. To get around this, this function can +be used in combination with macro insertion (`!`) to insert this string +literal at this function's call site. + +Example: + +```rust title="as_quoted_str_example" showLineNumbers +let my_ctstring = "foo bar".as_ctstring(); + let my_str = my_ctstring.as_quoted_str!(); + + assert_eq(crate::meta::type_of(my_str), quote { str<7> }.as_type()); +``` +> Source code: noir_stdlib/src/meta/ctstring.nr#L92-L97 + + +## Trait Implementations + +```rust +impl Eq for CtString +impl Hash for CtString +impl Append for CtString +``` diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/meta/expr.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/meta/expr.md new file mode 100644 index 00000000000..b6d395c6700 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/meta/expr.md @@ -0,0 +1,380 @@ +--- +title: Expr +--- + +`std::meta::expr` contains methods on the built-in `Expr` type for quoted, syntactically valid expressions. + +## Methods + +### as_array + +```rust title="as_array" showLineNumbers +pub comptime fn as_array(self) -> Option<[Expr]> {} +``` +> Source code: noir_stdlib/src/meta/expr.nr#L10-L12 + + +If this expression is an array, this returns a slice of each element in the array. + +### as_assert + +```rust title="as_assert" showLineNumbers +pub comptime fn as_assert(self) -> Option<(Expr, Option)> {} +``` +> Source code: noir_stdlib/src/meta/expr.nr#L16-L18 + + +If this expression is an assert, this returns the assert expression and the optional message. + +### as_assert_eq + +```rust title="as_assert_eq" showLineNumbers +pub comptime fn as_assert_eq(self) -> Option<(Expr, Expr, Option)> {} +``` +> Source code: noir_stdlib/src/meta/expr.nr#L23-L25 + + +If this expression is an assert_eq, this returns the left-hand-side and right-hand-side +expressions, together with the optional message. + +### as_assign + +```rust title="as_assign" showLineNumbers +pub comptime fn as_assign(self) -> Option<(Expr, Expr)> {} +``` +> Source code: noir_stdlib/src/meta/expr.nr#L30-L32 + + +If this expression is an assignment, this returns a tuple with the left hand side +and right hand side in order. + +### as_binary_op + +```rust title="as_binary_op" showLineNumbers +pub comptime fn as_binary_op(self) -> Option<(Expr, BinaryOp, Expr)> {} +``` +> Source code: noir_stdlib/src/meta/expr.nr#L37-L39 + + +If this expression is a binary operator operation ` `, +return the left-hand side, operator, and the right-hand side of the operation. + +### as_block + +```rust title="as_block" showLineNumbers +pub comptime fn as_block(self) -> Option<[Expr]> {} +``` +> Source code: noir_stdlib/src/meta/expr.nr#L44-L46 + + +If this expression is a block `{ stmt1; stmt2; ...; stmtN }`, return +a slice containing each statement. + +### as_bool + +```rust title="as_bool" showLineNumbers +pub comptime fn as_bool(self) -> Option {} +``` +> Source code: noir_stdlib/src/meta/expr.nr#L50-L52 + + +If this expression is a boolean literal, return that literal. + +### as_cast + +```rust title="as_cast" showLineNumbers +#[builtin(expr_as_cast)] + pub comptime fn as_cast(self) -> Option<(Expr, UnresolvedType)> {} +``` +> Source code: noir_stdlib/src/meta/expr.nr#L56-L59 + + +If this expression is a cast expression (`expr as type`), returns the casted +expression and the type to cast to. + +### as_comptime + +```rust title="as_comptime" showLineNumbers +pub comptime fn as_comptime(self) -> Option<[Expr]> {} +``` +> Source code: noir_stdlib/src/meta/expr.nr#L64-L66 + + +If this expression is a `comptime { stmt1; stmt2; ...; stmtN }` block, +return each statement in the block. + +### as_constructor + +```rust title="as_constructor" showLineNumbers +pub comptime fn as_constructor(self) -> Option<(UnresolvedType, [(Quoted, Expr)])> {} +``` +> Source code: noir_stdlib/src/meta/expr.nr#L71-L73 + + +If this expression is a constructor `Type { field1: expr1, ..., fieldN: exprN }`, +return the type and the fields. + +### as_for + +```rust title="as_for" showLineNumbers +pub comptime fn as_for(self) -> Option<(Quoted, Expr, Expr)> {} +``` +> Source code: noir_stdlib/src/meta/expr.nr#L78-L80 + + +If this expression is a for statement over a single expression, return the identifier, +the expression and the for loop body. + +### as_for_range + +```rust title="as_for" showLineNumbers +pub comptime fn as_for(self) -> Option<(Quoted, Expr, Expr)> {} +``` +> Source code: noir_stdlib/src/meta/expr.nr#L78-L80 + + +If this expression is a for statement over a range, return the identifier, +the range start, the range end and the for loop body. + +### as_function_call + +```rust title="as_function_call" showLineNumbers +pub comptime fn as_function_call(self) -> Option<(Expr, [Expr])> {} +``` +> Source code: noir_stdlib/src/meta/expr.nr#L92-L94 + + +If this expression is a function call `foo(arg1, ..., argN)`, return +the function and a slice of each argument. + +### as_if + +```rust title="as_if" showLineNumbers +pub comptime fn as_if(self) -> Option<(Expr, Expr, Option)> {} +``` +> Source code: noir_stdlib/src/meta/expr.nr#L100-L102 + + +If this expression is an `if condition { then_branch } else { else_branch }`, +return the condition, then branch, and else branch. If there is no else branch, +`None` is returned for that branch instead. + +### as_index + +```rust title="as_index" showLineNumbers +pub comptime fn as_index(self) -> Option<(Expr, Expr)> {} +``` +> Source code: noir_stdlib/src/meta/expr.nr#L107-L109 + + +If this expression is an index into an array `array[index]`, return the +array and the index. + +### as_integer + +```rust title="as_integer" showLineNumbers +pub comptime fn as_integer(self) -> Option<(Field, bool)> {} +``` +> Source code: noir_stdlib/src/meta/expr.nr#L114-L116 + + +If this expression is an integer literal, return the integer as a field +as well as whether the integer is negative (true) or not (false). + +### as_lambda + +```rust title="as_lambda" showLineNumbers +pub comptime fn as_lambda( + self, + ) -> Option<([(Expr, Option)], Option, Expr)> {} +``` +> Source code: noir_stdlib/src/meta/expr.nr#L120-L124 + + +If this expression is a lambda, returns the parameters, return type and body. + +### as_let + +```rust title="as_let" showLineNumbers +pub comptime fn as_let(self) -> Option<(Expr, Option, Expr)> {} +``` +> Source code: noir_stdlib/src/meta/expr.nr#L129-L131 + + +If this expression is a let statement, returns the let pattern as an `Expr`, +the optional type annotation, and the assigned expression. + +### as_member_access + +```rust title="as_member_access" showLineNumbers +pub comptime fn as_member_access(self) -> Option<(Expr, Quoted)> {} +``` +> Source code: noir_stdlib/src/meta/expr.nr#L136-L138 + + +If this expression is a member access `foo.bar`, return the struct/tuple +expression and the field. The field will be represented as a quoted value. + +### as_method_call + +```rust title="as_method_call" showLineNumbers +pub comptime fn as_method_call(self) -> Option<(Expr, Quoted, [UnresolvedType], [Expr])> {} +``` +> Source code: noir_stdlib/src/meta/expr.nr#L143-L145 + + +If this expression is a method call `foo.bar::(arg1, ..., argN)`, return +the receiver, method name, a slice of each generic argument, and a slice of each argument. + +### as_repeated_element_array + +```rust title="as_repeated_element_array" showLineNumbers +pub comptime fn as_repeated_element_array(self) -> Option<(Expr, Expr)> {} +``` +> Source code: noir_stdlib/src/meta/expr.nr#L150-L152 + + +If this expression is a repeated element array `[elem; length]`, return +the repeated element and the length expressions. + +### as_repeated_element_slice + +```rust title="as_repeated_element_slice" showLineNumbers +pub comptime fn as_repeated_element_slice(self) -> Option<(Expr, Expr)> {} +``` +> Source code: noir_stdlib/src/meta/expr.nr#L157-L159 + + +If this expression is a repeated element slice `[elem; length]`, return +the repeated element and the length expressions. + +### as_slice + +```rust title="as_slice" showLineNumbers +pub comptime fn as_slice(self) -> Option<[Expr]> {} +``` +> Source code: noir_stdlib/src/meta/expr.nr#L164-L166 + + +If this expression is a slice literal `&[elem1, ..., elemN]`, +return each element of the slice. + +### as_tuple + +```rust title="as_tuple" showLineNumbers +pub comptime fn as_tuple(self) -> Option<[Expr]> {} +``` +> Source code: noir_stdlib/src/meta/expr.nr#L171-L173 + + +If this expression is a tuple `(field1, ..., fieldN)`, +return each element of the tuple. + +### as_unary_op + +```rust title="as_unary_op" showLineNumbers +pub comptime fn as_unary_op(self) -> Option<(UnaryOp, Expr)> {} +``` +> Source code: noir_stdlib/src/meta/expr.nr#L178-L180 + + +If this expression is a unary operation ` `, +return the unary operator as well as the right-hand side expression. + +### as_unsafe + +```rust title="as_unsafe" showLineNumbers +pub comptime fn as_unsafe(self) -> Option<[Expr]> {} +``` +> Source code: noir_stdlib/src/meta/expr.nr#L185-L187 + + +If this expression is an `unsafe { stmt1; ...; stmtN }` block, +return each statement inside in a slice. + +### has_semicolon + +```rust title="has_semicolon" showLineNumbers +pub comptime fn has_semicolon(self) -> bool {} +``` +> Source code: noir_stdlib/src/meta/expr.nr#L206-L208 + + +`true` if this expression is trailed by a semicolon. E.g. + +``` +comptime { + let expr1 = quote { 1 + 2 }.as_expr().unwrap(); + let expr2 = quote { 1 + 2; }.as_expr().unwrap(); + + assert(expr1.as_binary_op().is_some()); + assert(expr2.as_binary_op().is_some()); + + assert(!expr1.has_semicolon()); + assert(expr2.has_semicolon()); +} +``` + +### is_break + +```rust title="is_break" showLineNumbers +pub comptime fn is_break(self) -> bool {} +``` +> Source code: noir_stdlib/src/meta/expr.nr#L212-L214 + + +`true` if this expression is `break`. + +### is_continue + +```rust title="is_continue" showLineNumbers +pub comptime fn is_continue(self) -> bool {} +``` +> Source code: noir_stdlib/src/meta/expr.nr#L218-L220 + + +`true` if this expression is `continue`. + +### modify + +```rust title="modify" showLineNumbers +pub comptime fn modify(self, f: fn[Env](Expr) -> Option) -> Expr { +``` +> Source code: noir_stdlib/src/meta/expr.nr#L229-L231 + + +Applies a mapping function to this expression and to all of its sub-expressions. +`f` will be applied to each sub-expression first, then applied to the expression itself. + +This happens recursively for every expression within `self`. + +For example, calling `modify` on `(&[1], &[2, 3])` with an `f` that returns `Option::some` +for expressions that are integers, doubling them, would return `(&[2], &[4, 6])`. + +### quoted + +```rust title="quoted" showLineNumbers +pub comptime fn quoted(self) -> Quoted { +``` +> Source code: noir_stdlib/src/meta/expr.nr#L266-L268 + + +Returns this expression as a `Quoted` value. It's the same as `quote { $self }`. + +### resolve + +```rust title="resolve" showLineNumbers +pub comptime fn resolve(self, in_function: Option) -> TypedExpr {} +``` +> Source code: noir_stdlib/src/meta/expr.nr#L282-L284 + + +Resolves and type-checks this expression and returns the result as a `TypedExpr`. + +The `in_function` argument specifies where the expression is resolved: +- If it's `none`, the expression is resolved in the function where `resolve` was called +- If it's `some`, the expression is resolved in the given function + +If any names used by this expression are not in scope or if there are any type errors, +this will give compiler errors as if the expression was written directly into +the current `comptime` function. \ No newline at end of file diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/meta/function_def.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/meta/function_def.md new file mode 100644 index 00000000000..b7f2ebdb889 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/meta/function_def.md @@ -0,0 +1,166 @@ +--- +title: FunctionDefinition +--- + +`std::meta::function_def` contains methods on the built-in `FunctionDefinition` type representing +a function definition in the source program. + +## Methods + +### add_attribute + +```rust title="add_attribute" showLineNumbers +pub comptime fn add_attribute(self, attribute: str) {} +``` +> Source code: noir_stdlib/src/meta/function_def.nr#L3-L5 + + +Adds an attribute to the function. This is only valid +on functions in the current crate which have not yet been resolved. +This means any functions called at compile-time are invalid targets for this method. + +### body + +```rust title="body" showLineNumbers +pub comptime fn body(self) -> Expr {} +``` +> Source code: noir_stdlib/src/meta/function_def.nr#L8-L10 + + +Returns the body of the function as an expression. This is only valid +on functions in the current crate which have not yet been resolved. +This means any functions called at compile-time are invalid targets for this method. + +### has_named_attribute + +```rust title="has_named_attribute" showLineNumbers +pub comptime fn has_named_attribute(self, name: str) -> bool {} +``` +> Source code: noir_stdlib/src/meta/function_def.nr#L13-L15 + + +Returns true if this function has a custom attribute with the given name. + +### is_unconstrained + +```rust title="is_unconstrained" showLineNumbers +pub comptime fn is_unconstrained(self) -> bool {} +``` +> Source code: noir_stdlib/src/meta/function_def.nr#L18-L20 + + +Returns true if this function is unconstrained. + +### module + +```rust title="module" showLineNumbers +pub comptime fn module(self) -> Module {} +``` +> Source code: noir_stdlib/src/meta/function_def.nr#L23-L25 + + +Returns the module where the function is defined. + +### name + +```rust title="name" showLineNumbers +pub comptime fn name(self) -> Quoted {} +``` +> Source code: noir_stdlib/src/meta/function_def.nr#L28-L30 + + +Returns the name of the function. + +### parameters + +```rust title="parameters" showLineNumbers +pub comptime fn parameters(self) -> [(Quoted, Type)] {} +``` +> Source code: noir_stdlib/src/meta/function_def.nr#L33-L35 + + +Returns each parameter of the function as a tuple of (parameter pattern, parameter type). + +### return_type + +```rust title="return_type" showLineNumbers +pub comptime fn return_type(self) -> Type {} +``` +> Source code: noir_stdlib/src/meta/function_def.nr#L38-L40 + + +The return type of the function. + +### set_body + +```rust title="set_body" showLineNumbers +pub comptime fn set_body(self, body: Expr) {} +``` +> Source code: noir_stdlib/src/meta/function_def.nr#L43-L45 + + +Mutate the function body to a new expression. This is only valid +on functions in the current crate which have not yet been resolved. +This means any functions called at compile-time are invalid targets for this method. + +### set_parameters + +```rust title="set_parameters" showLineNumbers +pub comptime fn set_parameters(self, parameters: [(Quoted, Type)]) {} +``` +> Source code: noir_stdlib/src/meta/function_def.nr#L48-L50 + + +Mutates the function's parameters to a new set of parameters. This is only valid +on functions in the current crate which have not yet been resolved. +This means any functions called at compile-time are invalid targets for this method. + +Expects a slice of (parameter pattern, parameter type) for each parameter. Requires +each parameter pattern to be a syntactically valid parameter. + +### set_return_type + +```rust title="set_return_type" showLineNumbers +pub comptime fn set_return_type(self, return_type: Type) {} +``` +> Source code: noir_stdlib/src/meta/function_def.nr#L53-L55 + + +Mutates the function's return type to a new type. This is only valid +on functions in the current crate which have not yet been resolved. +This means any functions called at compile-time are invalid targets for this method. + +### set_return_public + +```rust title="set_return_public" showLineNumbers +pub comptime fn set_return_public(self, public: bool) {} +``` +> Source code: noir_stdlib/src/meta/function_def.nr#L58-L60 + + +Mutates the function's return visibility to public (if `true` is given) or private (if `false` is given). +This is only valid on functions in the current crate which have not yet been resolved. +This means any functions called at compile-time are invalid targets for this method. + +### set_unconstrained + +```rust title="set_unconstrained" showLineNumbers +pub comptime fn set_unconstrained(self, value: bool) {} +``` +> Source code: noir_stdlib/src/meta/function_def.nr#L66-L68 + + +Mutates the function to be unconstrained (if `true` is given) or not (if `false` is given). +This is only valid on functions in the current crate which have not yet been resolved. +This means any functions called at compile-time are invalid targets for this method. + +## Trait Implementations + +```rust +impl Eq for FunctionDefinition +impl Hash for FunctionDefinition +``` + +Note that each function is assigned a unique ID internally and this is what is used for +equality and hashing. So even functions with identical signatures and bodies may not +be equal in this sense if they were originally different items in the source program. diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/meta/index.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/meta/index.md new file mode 100644 index 00000000000..14544c07442 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/meta/index.md @@ -0,0 +1,224 @@ +--- +title: Metaprogramming +description: Noir's Metaprogramming API +keywords: [metaprogramming, comptime, macros, macro, quote, unquote] +--- + +`std::meta` is the entry point for Noir's metaprogramming API. This consists of `comptime` functions +and types used for inspecting and modifying Noir programs. + +## Functions + +### type_of + +```rust title="type_of" showLineNumbers +pub comptime fn type_of(x: T) -> Type {} +``` +> Source code: noir_stdlib/src/meta/mod.nr#L27-L29 + + +Returns the type of a variable at compile-time. + +Example: +```rust +comptime { + let x: i32 = 1; + let x_type: Type = std::meta::type_of(x); + + assert_eq(x_type, quote { i32 }.as_type()); +} +``` + +### unquote + +```rust title="unquote" showLineNumbers +pub comptime fn unquote(code: Quoted) -> Quoted { +``` +> Source code: noir_stdlib/src/meta/mod.nr#L19-L21 + + +Unquotes the passed-in token stream where this function was called. + +Example: +```rust +comptime { + let code = quote { 1 + 2 }; + + // let x = 1 + 2; + let x = unquote!(code); +} +``` + +### derive + +```rust title="derive" showLineNumbers +#[varargs] +pub comptime fn derive(s: StructDefinition, traits: [TraitDefinition]) -> Quoted { +``` +> Source code: noir_stdlib/src/meta/mod.nr#L48-L51 + + +Attribute placed on struct definitions. + +Creates a trait impl for each trait passed in as an argument. +To do this, the trait must have a derive handler registered +with `derive_via` beforehand. The traits in the stdlib that +can be derived this way are `Eq`, `Ord`, `Default`, and `Hash`. + +Example: +```rust +#[derive(Eq, Default)] +struct Foo { + x: i32, + y: T, +} + +fn main() { + let foo1 = Foo::default(); + let foo2 = Foo { x: 0, y: &[0] }; + assert_eq(foo1, foo2); +} +``` + +### derive_via + +```rust title="derive_via_signature" showLineNumbers +pub comptime fn derive_via(t: TraitDefinition, f: DeriveFunction) { +``` +> Source code: noir_stdlib/src/meta/mod.nr#L68-L70 + + +Attribute placed on trait definitions. + +Registers a function to create impls for the given trait +when the trait is used in a `derive` call. Users may use +this to register their own functions to enable their traits +to be derived by `derive`. + +Because this function requires a function as an argument which +should produce a trait impl for any given struct, users may find +it helpful to use a function like `std::meta::make_trait_impl` to +help creating these impls. + +Example: +```rust +#[derive_via(derive_do_nothing)] +trait DoNothing { + fn do_nothing(self); +} + +comptime fn derive_do_nothing(s: StructDefinition) -> Quoted { + let typ = s.as_type(); + quote { + impl DoNothing for $typ { + fn do_nothing(self) { + println("Nothing"); + } + } + } +} +``` + +As another example, `derive_eq` in the stdlib is used to derive the `Eq` +trait for any struct. It makes use of `make_trait_impl` to do this: + +```rust title="derive_eq" showLineNumbers +comptime fn derive_eq(s: StructDefinition) -> Quoted { + let signature = quote { fn eq(_self: Self, _other: Self) -> bool }; + let for_each_field = |name| quote { (_self.$name == _other.$name) }; + let body = |fields| { + if s.fields().len() == 0 { + quote { true } + } else { + fields + } + }; + crate::meta::make_trait_impl( + s, + quote { Eq }, + signature, + for_each_field, + quote { & }, + body, + ) +} +``` +> Source code: noir_stdlib/src/cmp.nr#L10-L30 + + +### make_trait_impl + +```rust title="make_trait_impl" showLineNumbers +pub comptime fn make_trait_impl( + s: StructDefinition, + trait_name: Quoted, + function_signature: Quoted, + for_each_field: fn[Env1](Quoted) -> Quoted, + join_fields_with: Quoted, + body: fn[Env2](Quoted) -> Quoted, +) -> Quoted { +``` +> Source code: noir_stdlib/src/meta/mod.nr#L87-L96 + + +A helper function to more easily create trait impls while deriving traits. + +Note that this function only works for traits which: +1. Have only one method +2. Have no generics on the trait itself. + - E.g. Using this on a trait such as `trait Foo { ... }` will result in the + generated impl incorrectly missing the `T` generic. + +If your trait fits these criteria then `make_trait_impl` is likely the easiest +way to write your derive handler. The arguments are as follows: + +- `s`: The struct to make the impl for +- `trait_name`: The name of the trait to derive. E.g. `quote { Eq }`. +- `function_signature`: The signature of the trait method to derive. E.g. `fn eq(self, other: Self) -> bool`. +- `for_each_field`: An operation to be performed on each field. E.g. `|name| quote { (self.$name == other.$name) }`. +- `join_fields_with`: A separator to join each result of `for_each_field` with. + E.g. `quote { & }`. You can also use an empty `quote {}` for no separator. +- `body`: The result of the field operations are passed into this function for any final processing. + This is the place to insert any setup/teardown code the trait requires. If the trait doesn't require + any such code, you can return the body as-is: `|body| body`. + +Example deriving `Hash`: + +```rust title="derive_hash" showLineNumbers +comptime fn derive_hash(s: StructDefinition) -> Quoted { + let name = quote { Hash }; + let signature = quote { fn hash(_self: Self, _state: &mut H) where H: std::hash::Hasher }; + let for_each_field = |name| quote { _self.$name.hash(_state); }; + crate::meta::make_trait_impl( + s, + name, + signature, + for_each_field, + quote {}, + |fields| fields, + ) +} +``` +> Source code: noir_stdlib/src/hash/mod.nr#L137-L151 + + +Example deriving `Ord`: + +```rust title="derive_ord" showLineNumbers +comptime fn derive_ord(s: StructDefinition) -> Quoted { + let signature = quote { fn cmp(_self: Self, _other: Self) -> std::cmp::Ordering }; + let for_each_field = |name| quote { + if result == std::cmp::Ordering::equal() { + result = _self.$name.cmp(_other.$name); + } + }; + let body = |fields| quote { + let mut result = std::cmp::Ordering::equal(); + $fields + result + }; + crate::meta::make_trait_impl(s, quote { Ord }, signature, for_each_field, quote {}, body) +} +``` +> Source code: noir_stdlib/src/cmp.nr#L216-L231 + diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/meta/module.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/meta/module.md new file mode 100644 index 00000000000..f47231972b7 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/meta/module.md @@ -0,0 +1,82 @@ +--- +title: Module +--- + +`std::meta::module` contains methods on the built-in `Module` type which represents a module in the source program. +Note that this type represents a module generally, it isn't limited to only `mod my_submodule { ... }` +declarations in the source program. + +## Methods + +### add_item + +```rust title="add_item" showLineNumbers +pub comptime fn add_item(self, item: Quoted) {} +``` +> Source code: noir_stdlib/src/meta/module.nr#L3-L5 + + +Adds a top-level item (a function, a struct, a global, etc.) to the module. +Adding multiple items in one go is also valid if the `Quoted` value has multiple items in it. +Note that the items are type-checked as if they are inside the module they are being added to. + +### functions + +```rust title="functions" showLineNumbers +pub comptime fn functions(self) -> [FunctionDefinition] {} +``` +> Source code: noir_stdlib/src/meta/module.nr#L18-L20 + + +Returns each function defined in the module. + +### has_named_attribute + +```rust title="has_named_attribute" showLineNumbers +pub comptime fn has_named_attribute(self, name: str) -> bool {} +``` +> Source code: noir_stdlib/src/meta/module.nr#L8-L10 + + +Returns true if this module has a custom attribute with the given name. + +### is_contract + +```rust title="is_contract" showLineNumbers +pub comptime fn is_contract(self) -> bool {} +``` +> Source code: noir_stdlib/src/meta/module.nr#L13-L15 + + +`true` if this module is a contract module (was declared via `contract foo { ... }`). + +### name + +```rust title="name" showLineNumbers +pub comptime fn name(self) -> Quoted {} +``` +> Source code: noir_stdlib/src/meta/module.nr#L28-L30 + + +Returns the name of the module. + +### structs + +```rust title="structs" showLineNumbers +pub comptime fn structs(self) -> [StructDefinition] {} +``` +> Source code: noir_stdlib/src/meta/module.nr#L23-L25 + + +Returns each struct defined in the module. + +## Trait Implementations + +```rust +impl Eq for Module +impl Hash for Module +``` + +Note that each module is assigned a unique ID internally and this is what is used for +equality and hashing. So even modules with identical names and contents may not +be equal in this sense if they were originally different items in the source program. diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/meta/op.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/meta/op.md new file mode 100644 index 00000000000..03ea49ad8ec --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/meta/op.md @@ -0,0 +1,244 @@ +--- +title: UnaryOp and BinaryOp +--- + +`std::meta::op` contains the `UnaryOp` and `BinaryOp` types as well as methods on them. +These types are used to represent a unary or binary operator respectively in Noir source code. + +## Types + +### UnaryOp + +Represents a unary operator. One of `-`, `!`, `&mut`, or `*`. + +### Methods + +#### is_minus + +```rust title="is_minus" showLineNumbers +pub fn is_minus(self) -> bool { +``` +> Source code: noir_stdlib/src/meta/op.nr#L24-L26 + + +Returns `true` if this operator is `-`. + +#### is_not + +```rust title="is_not" showLineNumbers +pub fn is_not(self) -> bool { +``` +> Source code: noir_stdlib/src/meta/op.nr#L30-L32 + + +`true` if this operator is `!` + +#### is_mutable_reference + +```rust title="is_mutable_reference" showLineNumbers +pub fn is_mutable_reference(self) -> bool { +``` +> Source code: noir_stdlib/src/meta/op.nr#L36-L38 + + +`true` if this operator is `&mut` + +#### is_dereference + +```rust title="is_dereference" showLineNumbers +pub fn is_dereference(self) -> bool { +``` +> Source code: noir_stdlib/src/meta/op.nr#L42-L44 + + +`true` if this operator is `*` + +#### quoted + +```rust title="unary_quoted" showLineNumbers +pub comptime fn quoted(self) -> Quoted { +``` +> Source code: noir_stdlib/src/meta/op.nr#L48-L50 + + +Returns this operator as a `Quoted` value. + +### Trait Implementations + +```rust +impl Eq for UnaryOp +impl Hash for UnaryOp +``` + +### BinaryOp + +Represents a binary operator. One of `+`, `-`, `*`, `/`, `%`, `==`, `!=`, `<`, `<=`, `>`, `>=`, `&`, `|`, `^`, `>>`, or `<<`. + +### Methods + +#### is_add + +```rust title="is_add" showLineNumbers +pub fn is_add(self) -> bool { +``` +> Source code: noir_stdlib/src/meta/op.nr#L86-L88 + + +`true` if this operator is `+` + +#### is_subtract + +```rust title="is_subtract" showLineNumbers +pub fn is_subtract(self) -> bool { +``` +> Source code: noir_stdlib/src/meta/op.nr#L92-L94 + + +`true` if this operator is `-` + +#### is_multiply + +```rust title="is_multiply" showLineNumbers +pub fn is_multiply(self) -> bool { +``` +> Source code: noir_stdlib/src/meta/op.nr#L98-L100 + + +`true` if this operator is `*` + +#### is_divide + +```rust title="is_divide" showLineNumbers +pub fn is_divide(self) -> bool { +``` +> Source code: noir_stdlib/src/meta/op.nr#L104-L106 + + +`true` if this operator is `/` + +#### is_modulo + +```rust title="is_modulo" showLineNumbers +pub fn is_modulo(self) -> bool { +``` +> Source code: noir_stdlib/src/meta/op.nr#L176-L178 + + +`true` if this operator is `%` + +#### is_equal + +```rust title="is_equal" showLineNumbers +pub fn is_equal(self) -> bool { +``` +> Source code: noir_stdlib/src/meta/op.nr#L110-L112 + + +`true` if this operator is `==` + +#### is_not_equal + +```rust title="is_not_equal" showLineNumbers +pub fn is_not_equal(self) -> bool { +``` +> Source code: noir_stdlib/src/meta/op.nr#L116-L118 + + +`true` if this operator is `!=` + +#### is_less_than + +```rust title="is_less_than" showLineNumbers +pub fn is_less_than(self) -> bool { +``` +> Source code: noir_stdlib/src/meta/op.nr#L122-L124 + + +`true` if this operator is `<` + +#### is_less_than_or_equal + +```rust title="is_less_than_or_equal" showLineNumbers +pub fn is_less_than_or_equal(self) -> bool { +``` +> Source code: noir_stdlib/src/meta/op.nr#L128-L130 + + +`true` if this operator is `<=` + +#### is_greater_than + +```rust title="is_greater_than" showLineNumbers +pub fn is_greater_than(self) -> bool { +``` +> Source code: noir_stdlib/src/meta/op.nr#L134-L136 + + +`true` if this operator is `>` + +#### is_greater_than_or_equal + +```rust title="is_greater_than_or_equal" showLineNumbers +pub fn is_greater_than_or_equal(self) -> bool { +``` +> Source code: noir_stdlib/src/meta/op.nr#L140-L142 + + +`true` if this operator is `>=` + +#### is_and + +```rust title="is_and" showLineNumbers +pub fn is_and(self) -> bool { +``` +> Source code: noir_stdlib/src/meta/op.nr#L146-L148 + + +`true` if this operator is `&` + +#### is_or + +```rust title="is_or" showLineNumbers +pub fn is_or(self) -> bool { +``` +> Source code: noir_stdlib/src/meta/op.nr#L152-L154 + + +`true` if this operator is `|` + +#### is_shift_right + +```rust title="is_shift_right" showLineNumbers +pub fn is_shift_right(self) -> bool { +``` +> Source code: noir_stdlib/src/meta/op.nr#L164-L166 + + +`true` if this operator is `>>` + +#### is_shift_left + +```rust title="is_shift_right" showLineNumbers +pub fn is_shift_right(self) -> bool { +``` +> Source code: noir_stdlib/src/meta/op.nr#L164-L166 + + +`true` if this operator is `<<` + +#### quoted + +```rust title="binary_quoted" showLineNumbers +pub comptime fn quoted(self) -> Quoted { +``` +> Source code: noir_stdlib/src/meta/op.nr#L182-L184 + + +Returns this operator as a `Quoted` value. + +### Trait Implementations + +```rust +impl Eq for BinaryOp +impl Hash for BinaryOp +``` diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/meta/quoted.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/meta/quoted.md new file mode 100644 index 00000000000..d7acf23bc07 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/meta/quoted.md @@ -0,0 +1,141 @@ +--- +title: Quoted +--- + +`std::meta::quoted` contains methods on the built-in `Quoted` type which represents +quoted token streams and is the result of the `quote { ... }` expression. + +## Methods + +### as_expr + +```rust title="as_expr" showLineNumbers +pub comptime fn as_expr(self) -> Option {} +``` +> Source code: noir_stdlib/src/meta/quoted.nr#L6-L8 + + +Parses the quoted token stream as an expression. Returns `Option::none()` if +the expression failed to parse. + +Example: + +```rust title="as_expr_example" showLineNumbers +#[test] + fn test_expr_as_function_call() { + comptime + { + let expr = quote { foo(42) }.as_expr().unwrap(); + let (_function, args) = expr.as_function_call().unwrap(); + assert_eq(args.len(), 1); + assert_eq(args[0].as_integer().unwrap(), (42, false)); + } + } +``` +> Source code: test_programs/noir_test_success/comptime_expr/src/main.nr#L360-L371 + + +### as_module + +```rust title="as_module" showLineNumbers +pub comptime fn as_module(self) -> Option {} +``` +> Source code: noir_stdlib/src/meta/quoted.nr#L11-L13 + + +Interprets this token stream as a module path leading to the name of a module. +Returns `Option::none()` if the module isn't found or this token stream cannot be parsed as a path. + +Example: + +```rust title="as_module_example" showLineNumbers +mod baz { + pub mod qux {} +} + +#[test] +fn as_module_test() { + comptime { + let my_mod = quote { baz::qux }.as_module().unwrap(); + assert_eq(my_mod.name(), quote { qux }); + } +} +``` +> Source code: test_programs/compile_success_empty/comptime_module/src/main.nr#L115-L127 + + +### as_trait_constraint + +```rust title="as_trait_constraint" showLineNumbers +pub comptime fn as_trait_constraint(self) -> TraitConstraint {} +``` +> Source code: noir_stdlib/src/meta/quoted.nr#L16-L18 + + +Interprets this token stream as a trait constraint (without an object type). +Note that this function panics instead of returning `Option::none()` if the token +stream does not parse and resolve to a valid trait constraint. + +Example: + +```rust title="implements_example" showLineNumbers +pub fn function_with_where(_x: T) +where + T: SomeTrait, +{ + comptime { + let t = quote { T }.as_type(); + let some_trait_i32 = quote { SomeTrait }.as_trait_constraint(); + assert(t.implements(some_trait_i32)); + + assert(t.get_trait_impl(some_trait_i32).is_none()); + } +} +``` +> Source code: test_programs/compile_success_empty/comptime_type/src/main.nr#L160-L173 + + +### as_type + +```rust title="as_type" showLineNumbers +pub comptime fn as_type(self) -> Type {} +``` +> Source code: noir_stdlib/src/meta/quoted.nr#L21-L23 + + +Interprets this token stream as a resolved type. Panics if the token +stream doesn't parse to a type or if the type isn't a valid type in scope. + +```rust title="implements_example" showLineNumbers +pub fn function_with_where(_x: T) +where + T: SomeTrait, +{ + comptime { + let t = quote { T }.as_type(); + let some_trait_i32 = quote { SomeTrait }.as_trait_constraint(); + assert(t.implements(some_trait_i32)); + + assert(t.get_trait_impl(some_trait_i32).is_none()); + } +} +``` +> Source code: test_programs/compile_success_empty/comptime_type/src/main.nr#L160-L173 + + +### tokens + +```rust title="tokens" showLineNumbers +pub comptime fn tokens(self) -> [Quoted] {} +``` +> Source code: noir_stdlib/src/meta/quoted.nr#L26-L28 + + +Returns a slice of the individual tokens that form this token stream. + +## Trait Implementations + +```rust +impl Eq for Quoted +impl Hash for Quoted +``` diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/meta/struct_def.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/meta/struct_def.md new file mode 100644 index 00000000000..fd609942f4e --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/meta/struct_def.md @@ -0,0 +1,177 @@ +--- +title: StructDefinition +--- + +`std::meta::struct_def` contains methods on the built-in `StructDefinition` type. +This type corresponds to `struct Name { field1: Type1, ... }` items in the source program. + +## Methods + +### add_attribute + +```rust title="add_attribute" showLineNumbers +pub comptime fn add_attribute(self, attribute: str) {} +``` +> Source code: noir_stdlib/src/meta/struct_def.nr#L3-L5 + + +Adds an attribute to the struct. + +### add_generic + +```rust title="add_generic" showLineNumbers +pub comptime fn add_generic(self, generic_name: str) -> Type {} +``` +> Source code: noir_stdlib/src/meta/struct_def.nr#L8-L10 + + +Adds an generic to the struct. Returns the new generic type. +Errors if the given generic name isn't a single identifier or if +the struct already has a generic with the same name. + +This method should be used carefully, if there is existing code referring +to the struct type it may be checked before this function is called and +see the struct with the original number of generics. This method should +thus be preferred to use on code generated from other macros and structs +that are not used in function signatures. + +Example: + +```rust title="add-generic-example" showLineNumbers +comptime fn add_generic(s: StructDefinition) { + assert_eq(s.generics().len(), 0); + let new_generic = s.add_generic("T"); + + let generics = s.generics(); + assert_eq(generics.len(), 1); + assert_eq(generics[0], new_generic); + } +``` +> Source code: test_programs/compile_success_empty/comptime_struct_definition/src/main.nr#L35-L44 + + +### as_type + +```rust title="as_type" showLineNumbers +pub comptime fn as_type(self) -> Type {} +``` +> Source code: noir_stdlib/src/meta/struct_def.nr#L15-L17 + + +Returns this struct as a type in the source program. If this struct has +any generics, the generics are also included as-is. + +### generics + +```rust title="generics" showLineNumbers +pub comptime fn generics(self) -> [Type] {} +``` +> Source code: noir_stdlib/src/meta/struct_def.nr#L26-L28 + + +Returns each generic on this struct. + +Example: + +``` +#[example] +struct Foo { + bar: [T; 2], + baz: Baz, +} + +comptime fn example(foo: StructDefinition) { + assert_eq(foo.generics().len(), 2); + + // Fails because `T` isn't in scope + // let t = quote { T }.as_type(); + // assert_eq(foo.generics()[0], t); +} +``` + +### fields + +```rust title="fields" showLineNumbers +pub comptime fn fields(self) -> [(Quoted, Type)] {} +``` +> Source code: noir_stdlib/src/meta/struct_def.nr#L33-L35 + + +Returns each field of this struct as a pair of (field name, field type). + +### has_named_attribute + +```rust title="has_named_attribute" showLineNumbers +pub comptime fn has_named_attribute(self, name: str) -> bool {} +``` +> Source code: noir_stdlib/src/meta/struct_def.nr#L20-L22 + + +Returns true if this struct has a custom attribute with the given name. + +### module + +```rust title="module" showLineNumbers +pub comptime fn module(self) -> Module {} +``` +> Source code: noir_stdlib/src/meta/struct_def.nr#L38-L40 + + +Returns the module where the struct is defined. + +### name + +```rust title="name" showLineNumbers +pub comptime fn name(self) -> Quoted {} +``` +> Source code: noir_stdlib/src/meta/struct_def.nr#L43-L45 + + +Returns the name of this struct + +Note that the returned quoted value will be just the struct name, it will +not be the full path to the struct, nor will it include any generics. + +### set_fields + +```rust title="set_fields" showLineNumbers +pub comptime fn set_fields(self, new_fields: [(Quoted, Type)]) {} +``` +> Source code: noir_stdlib/src/meta/struct_def.nr#L52-L54 + + +Sets the fields of this struct to the given fields list where each element +is a pair of the field's name and the field's type. Expects each field name +to be a single identifier. Note that this will override any previous fields +on this struct. If those should be preserved, use `.fields()` to retrieve the +current fields on the struct type and append the new fields from there. + +Example: + +```rust +// Change this struct to: +// struct Foo { +// a: u32, +// b: i8, +// } +#[mangle_fields] +struct Foo { x: Field } + +comptime fn mangle_fields(s: StructDefinition) { + s.set_fields(&[ + (quote { a }, quote { u32 }.as_type()), + (quote { b }, quote { i8 }.as_type()), + ]); +} +``` + +## Trait Implementations + +```rust +impl Eq for StructDefinition +impl Hash for StructDefinition +``` + +Note that each struct is assigned a unique ID internally and this is what is used for +equality and hashing. So even structs with identical generics and fields may not +be equal in this sense if they were originally different items in the source program. diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/meta/trait_constraint.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/meta/trait_constraint.md new file mode 100644 index 00000000000..3106f732b5a --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/meta/trait_constraint.md @@ -0,0 +1,17 @@ +--- +title: TraitConstraint +--- + +`std::meta::trait_constraint` contains methods on the built-in `TraitConstraint` type which represents +a trait constraint that can be used to search for a trait implementation. This is similar +syntactically to just the trait itself, but can also contain generic arguments. E.g. `Eq`, `Default`, +`BuildHasher`. + +This type currently has no public methods but it can be used alongside `Type` in `implements` or `get_trait_impl`. + +## Trait Implementations + +```rust +impl Eq for TraitConstraint +impl Hash for TraitConstraint +``` diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/meta/trait_def.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/meta/trait_def.md new file mode 100644 index 00000000000..e661d3af7f1 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/meta/trait_def.md @@ -0,0 +1,26 @@ +--- +title: TraitDefinition +--- + +`std::meta::trait_def` contains methods on the built-in `TraitDefinition` type. This type +represents trait definitions such as `trait Foo { .. }` at the top-level of a program. + +## Methods + +### as_trait_constraint + +```rust title="as_trait_constraint" showLineNumbers +pub comptime fn as_trait_constraint(_self: Self) -> TraitConstraint {} +``` +> Source code: noir_stdlib/src/meta/trait_def.nr#L6-L8 + + +Converts this trait into a trait constraint. If there are any generics on this +trait, they will be kept as-is without instantiating or replacing them. + +## Trait Implementations + +```rust +impl Eq for TraitDefinition +impl Hash for TraitDefinition +``` diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/meta/trait_impl.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/meta/trait_impl.md new file mode 100644 index 00000000000..a527617c1e6 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/meta/trait_impl.md @@ -0,0 +1,60 @@ +--- +title: TraitImpl +--- + +`std::meta::trait_impl` contains methods on the built-in `TraitImpl` type which represents a trait +implementation such as `impl Foo for Bar { ... }`. + +## Methods + +### trait_generic_args + +```rust title="trait_generic_args" showLineNumbers +pub comptime fn trait_generic_args(self) -> [Type] {} +``` +> Source code: noir_stdlib/src/meta/trait_impl.nr#L3-L5 + + +Returns any generic arguments on the trait of this trait implementation, if any. + +```rs +impl Foo for Bar { ... } + +comptime { + let bar_type = quote { Bar }.as_type(); + let foo = quote { Foo }.as_trait_constraint(); + + let my_impl: TraitImpl = bar_type.get_trait_impl(foo).unwrap(); + + let generics = my_impl.trait_generic_args(); + assert_eq(generics.len(), 2); + + assert_eq(generics[0], quote { i32 }.as_type()); + assert_eq(generics[1], quote { Field }.as_type()); +} +``` + +### methods + +```rust title="methods" showLineNumbers +pub comptime fn methods(self) -> [FunctionDefinition] {} +``` +> Source code: noir_stdlib/src/meta/trait_impl.nr#L8-L10 + + +Returns each method in this trait impl. + +Example: + +```rs +comptime { + let i32_type = quote { i32 }.as_type(); + let eq = quote { Eq }.as_trait_constraint(); + + let impl_eq_for_i32: TraitImpl = i32_type.get_trait_impl(eq).unwrap(); + let methods = impl_eq_for_i32.methods(); + + assert_eq(methods.len(), 1); + assert_eq(methods[0].name(), quote { eq }); +} +``` diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/meta/typ.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/meta/typ.md new file mode 100644 index 00000000000..90222c222f5 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/meta/typ.md @@ -0,0 +1,264 @@ +--- +title: Type +--- + +`std::meta::typ` contains methods on the built-in `Type` type used for representing +a type in the source program. + +## Functions + +```rust title="fresh_type_variable" showLineNumbers +pub comptime fn fresh_type_variable() -> Type {} +``` +> Source code: noir_stdlib/src/meta/typ.nr#L57-L59 + + +Creates and returns an unbound type variable. This is a special kind of type internal +to type checking which will type check with any other type. When it is type checked +against another type it will also be set to that type. For example, if `a` is a type +variable and we have the type equality `(a, i32) = (u8, i32)`, the compiler will set +`a` equal to `u8`. + +Unbound type variables will often be rendered as `_` while printing them. Bound type +variables will appear as the type they are bound to. + +This can be used in conjunction with functions which internally perform type checks +such as `Type::implements` or `Type::get_trait_impl` to potentially grab some of the types used. + +Note that calling `Type::implements` or `Type::get_trait_impl` on a type variable will always +fail. + +Example: + +```rust title="serialize-setup" showLineNumbers +trait Serialize {} + +impl Serialize<1> for Field {} + +impl Serialize for [T; N] +where + T: Serialize, +{} + +impl Serialize for (T, U) +where + T: Serialize, + U: Serialize, +{} +``` +> Source code: test_programs/compile_success_empty/comptime_type/src/main.nr#L14-L29 + +```rust title="fresh-type-variable-example" showLineNumbers +let typevar1 = std::meta::typ::fresh_type_variable(); + let constraint = quote { Serialize<$typevar1> }.as_trait_constraint(); + let field_type = quote { Field }.as_type(); + + // Search for a trait impl (binding typevar1 to 1 when the impl is found): + assert(field_type.implements(constraint)); + + // typevar1 should be bound to the "1" generic now: + assert_eq(typevar1.as_constant().unwrap(), 1); + + // If we want to do the same with a different type, we need to + // create a new type variable now that `typevar1` is bound + let typevar2 = std::meta::typ::fresh_type_variable(); + let constraint = quote { Serialize<$typevar2> }.as_trait_constraint(); + let array_type = quote { [(Field, Field); 5] }.as_type(); + assert(array_type.implements(constraint)); + + // Now typevar2 should be bound to the serialized pair size 2 times the array length 5 + assert_eq(typevar2.as_constant().unwrap(), 10); +``` +> Source code: test_programs/compile_success_empty/comptime_type/src/main.nr#L129-L149 + + +## Methods + +### as_array + +```rust title="as_array" showLineNumbers +pub comptime fn as_array(self) -> Option<(Type, Type)> {} +``` +> Source code: noir_stdlib/src/meta/typ.nr#L76-L78 + + +If this type is an array, return a pair of (element type, size type). + +Example: + +```rust +comptime { + let array_type = quote { [Field; 3] }.as_type(); + let (field_type, three_type) = array_type.as_array().unwrap(); + + assert(field_type.is_field()); + assert_eq(three_type.as_constant().unwrap(), 3); +} +``` + +### as_constant + +```rust title="as_constant" showLineNumbers +pub comptime fn as_constant(self) -> Option {} +``` +> Source code: noir_stdlib/src/meta/typ.nr#L83-L85 + + +If this type is a constant integer (such as the `3` in the array type `[Field; 3]`), +return the numeric constant. + +### as_integer + +```rust title="as_integer" showLineNumbers +pub comptime fn as_integer(self) -> Option<(bool, u8)> {} +``` +> Source code: noir_stdlib/src/meta/typ.nr#L90-L92 + + +If this is an integer type, return a boolean which is `true` +if the type is signed, as well as the number of bits of this integer type. + +### as_mutable_reference + +```rust title="as_mutable_reference" showLineNumbers +comptime fn as_mutable_reference(self) -> Option {} +``` +> Source code: noir_stdlib/src/meta/typ.nr#L96-L98 + + +If this is a mutable reference type `&mut T`, returns the mutable type `T`. + +### as_slice + +```rust title="as_slice" showLineNumbers +pub comptime fn as_slice(self) -> Option {} +``` +> Source code: noir_stdlib/src/meta/typ.nr#L102-L104 + + +If this is a slice type, return the element type of the slice. + +### as_str + +```rust title="as_str" showLineNumbers +pub comptime fn as_str(self) -> Option {} +``` +> Source code: noir_stdlib/src/meta/typ.nr#L108-L110 + + +If this is a `str` type, returns the length `N` as a type. + +### as_struct + +```rust title="as_struct" showLineNumbers +pub comptime fn as_struct(self) -> Option<(StructDefinition, [Type])> {} +``` +> Source code: noir_stdlib/src/meta/typ.nr#L114-L116 + + +If this is a struct type, returns the struct in addition to +any generic arguments on this type. + +### as_tuple + +```rust title="as_tuple" showLineNumbers +pub comptime fn as_tuple(self) -> Option<[Type]> {} +``` +> Source code: noir_stdlib/src/meta/typ.nr#L120-L122 + + +If this is a tuple type, returns each element type of the tuple. + +### get_trait_impl + +```rust title="get_trait_impl" showLineNumbers +pub comptime fn get_trait_impl(self, constraint: TraitConstraint) -> Option {} +``` +> Source code: noir_stdlib/src/meta/typ.nr#L143-L145 + + +Retrieves the trait implementation that implements the given +trait constraint for this type. If the trait constraint is not +found, `None` is returned. Note that since the concrete trait implementation +for a trait constraint specified from a `where` clause is unknown, +this function will return `None` in these cases. If you only want to know +whether a type implements a trait, use `implements` instead. + +Example: + +```rust +comptime { + let field_type = quote { Field }.as_type(); + let default = quote { Default }.as_trait_constraint(); + + let the_impl: TraitImpl = field_type.get_trait_impl(default).unwrap(); + assert(the_impl.methods().len(), 1); +} +``` + +### implements + +```rust title="implements" showLineNumbers +pub comptime fn implements(self, constraint: TraitConstraint) -> bool {} +``` +> Source code: noir_stdlib/src/meta/typ.nr#L166-L168 + + +`true` if this type implements the given trait. Note that unlike +`get_trait_impl` this will also return true for any `where` constraints +in scope. + +Example: + +```rust +fn foo() where T: Default { + comptime { + let field_type = quote { Field }.as_type(); + let default = quote { Default }.as_trait_constraint(); + assert(field_type.implements(default)); + + let t = quote { T }.as_type(); + assert(t.implements(default)); + } +} +``` + +### is_bool + +```rust title="is_bool" showLineNumbers +pub comptime fn is_bool(self) -> bool {} +``` +> Source code: noir_stdlib/src/meta/typ.nr#L172-L174 + + +`true` if this type is `bool`. + +### is_field + +```rust title="is_field" showLineNumbers +pub comptime fn is_field(self) -> bool {} +``` +> Source code: noir_stdlib/src/meta/typ.nr#L178-L180 + + +`true` if this type is `Field`. + +### is_unit + +```rust title="is_unit" showLineNumbers +comptime fn is_unit(self) -> bool {} +``` +> Source code: noir_stdlib/src/meta/typ.nr#L184-L186 + + +`true` if this type is the unit `()` type. + +## Trait Implementations + +```rust +impl Eq for Type +impl Hash for Type +``` +Note that this is syntactic equality, this is not the same as whether two types will type check +to be the same type. Unless type inference or generics are being used however, users should not +typically have to worry about this distinction unless `std::meta::typ::fresh_type_variable` is used. diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/meta/typed_expr.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/meta/typed_expr.md new file mode 100644 index 00000000000..0db7dbfef61 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/meta/typed_expr.md @@ -0,0 +1,27 @@ +--- +title: TypedExpr +--- + +`std::meta::typed_expr` contains methods on the built-in `TypedExpr` type for resolved and type-checked expressions. + +## Methods + +### get_type + +```rust title="as_function_definition" showLineNumbers +pub comptime fn as_function_definition(self) -> Option {} +``` +> Source code: noir_stdlib/src/meta/typed_expr.nr#L7-L9 + + +If this expression refers to a function definitions, returns it. Otherwise returns `Option::none()`. + +### get_type + +```rust title="get_type" showLineNumbers +pub comptime fn get_type(self) -> Option {} +``` +> Source code: noir_stdlib/src/meta/typed_expr.nr#L13-L15 + + +Returns the type of the expression, or `Option::none()` if there were errors when the expression was previously resolved. \ No newline at end of file diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/meta/unresolved_type.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/meta/unresolved_type.md new file mode 100644 index 00000000000..2826ec5ec0f --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/meta/unresolved_type.md @@ -0,0 +1,57 @@ +--- +title: UnresolvedType +--- + +`std::meta::unresolved_type` contains methods on the built-in `UnresolvedType` type for the syntax of types. + +## Methods + +### as_mutable_reference + +```rust title="as_mutable_reference" showLineNumbers +comptime fn as_mutable_reference(self) -> Option {} +``` +> Source code: noir_stdlib/src/meta/unresolved_type.nr#L8-L10 + + +If this is a mutable reference type `&mut T`, returns the mutable type `T`. + +### as_slice + +```rust title="as_slice" showLineNumbers +comptime fn as_slice(self) -> Option {} +``` +> Source code: noir_stdlib/src/meta/unresolved_type.nr#L14-L16 + + +If this is a slice `&[T]`, returns the element type `T`. + +### is_bool + +```rust title="is_bool" showLineNumbers +comptime fn is_bool(self) -> bool {} +``` +> Source code: noir_stdlib/src/meta/unresolved_type.nr#L20-L22 + + +Returns `true` if this type is `bool`. + +### is_field + +```rust title="is_field" showLineNumbers +pub comptime fn is_field(self) -> bool {} +``` +> Source code: noir_stdlib/src/meta/unresolved_type.nr#L26-L28 + + +Returns true if this type refers to the Field type. + +### is_unit + +```rust title="is_unit" showLineNumbers +comptime fn is_unit(self) -> bool {} +``` +> Source code: noir_stdlib/src/meta/unresolved_type.nr#L32-L34 + + +Returns true if this type is the unit `()` type. diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/options.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/options.md new file mode 100644 index 00000000000..a1bd4e1de5f --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/options.md @@ -0,0 +1,101 @@ +--- +title: Option Type +--- + +The `Option` type is a way to express that a value might be present (`Some(T))` or absent (`None`). It's a safer way to handle potential absence of values, compared to using nulls in many other languages. + +```rust +struct Option { + None, + Some(T), +} +``` + +The `Option` type, already imported into your Noir program, can be used directly: + +```rust +fn main() { + let none = Option::none(); + let some = Option::some(3); +} +``` + +See [this test](https://github.com/noir-lang/noir/blob/5cbfb9c4a06c8865c98ff2b594464b037d821a5c/crates/nargo_cli/tests/test_data/option/src/main.nr) for a more comprehensive set of examples of each of the methods described below. + +## Methods + +### none + +Constructs a none value. + +### some + +Constructs a some wrapper around a given value. + +### is_none + +Returns true if the Option is None. + +### is_some + +Returns true of the Option is Some. + +### unwrap + +Asserts `self.is_some()` and returns the wrapped value. + +### unwrap_unchecked + +Returns the inner value without asserting `self.is_some()`. This method can be useful within an if condition when we already know that `option.is_some()`. If the option is None, there is no guarantee what value will be returned, only that it will be of type T for an `Option`. + +### unwrap_or + +Returns the wrapped value if `self.is_some()`. Otherwise, returns the given default value. + +### unwrap_or_else + +Returns the wrapped value if `self.is_some()`. Otherwise, calls the given function to return a default value. + +### expect + +Asserts `self.is_some()` with a provided custom message and returns the contained `Some` value. The custom message is expected to be a format string. + +### map + +If self is `Some(x)`, this returns `Some(f(x))`. Otherwise, this returns `None`. + +### map_or + +If self is `Some(x)`, this returns `f(x)`. Otherwise, this returns the given default value. + +### map_or_else + +If self is `Some(x)`, this returns `f(x)`. Otherwise, this returns `default()`. + +### and + +Returns None if self is None. Otherwise, this returns `other`. + +### and_then + +If self is None, this returns None. Otherwise, this calls the given function with the Some value contained within self, and returns the result of that call. In some languages this function is called `flat_map` or `bind`. + +### or + +If self is Some, return self. Otherwise, return `other`. + +### or_else + +If self is Some, return self. Otherwise, return `default()`. + +### xor + +If only one of the two Options is Some, return that option. Otherwise, if both options are Some or both are None, None is returned. + +### filter + +Returns `Some(x)` if self is `Some(x)` and `predicate(x)` is true. Otherwise, this returns `None`. + +### flatten + +Flattens an `Option>` into a `Option`. This returns `None` if the outer Option is None. Otherwise, this returns the inner Option. diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/recursion.mdx b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/recursion.mdx new file mode 100644 index 00000000000..60414a2fa51 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/recursion.mdx @@ -0,0 +1,85 @@ +--- +title: Recursive Proofs +description: Learn about how to write recursive proofs in Noir. +keywords: [recursion, recursive proofs, verification_key, verify_proof] +--- + +import BlackBoxInfo from '@site/src/components/Notes/_blackbox'; + +Noir supports recursively verifying proofs, meaning you verify the proof of a Noir program in another Noir program. This enables creating proofs of arbitrary size by doing step-wise verification of smaller components of a large proof. + +Read [the explainer on recursion](../../explainers/explainer-recursion.md) to know more about this function and the [guide on how to use it.](../../how_to/how-to-recursion.md) + +## The `#[recursive]` Attribute + +In Noir, the `#[recursive]` attribute is used to indicate that a circuit is designed for recursive proof generation. When applied, it informs the compiler and the tooling that the circuit should be compiled in a way that makes its proofs suitable for recursive verification. This attribute eliminates the need for manual flagging of recursion at the tooling level, streamlining the proof generation process for recursive circuits. + +### Example usage with `#[recursive]` + +```rust +#[recursive] +fn main(x: Field, y: pub Field) { + assert(x == y, "x and y are not equal"); +} + +// This marks the circuit as recursion-friendly and indicates that proofs generated from this circuit +// are intended for recursive verification. +``` + +By incorporating this attribute directly in the circuit's definition, tooling like Nargo and NoirJS can automatically execute recursive-specific duties for Noir programs (e.g. recursive-friendly proof artifact generation) without additional flags or configurations. + +## Verifying Recursive Proofs + +```rust +#[foreign(recursive_aggregation)] +pub fn verify_proof(verification_key: [Field], proof: [Field], public_inputs: [Field], key_hash: Field) {} +``` + + + +## Example usage + +```rust + +fn main( + verification_key : [Field; 114], + proof : [Field; 93], + public_inputs : [Field; 1], + key_hash : Field, + proof_b : [Field; 93], +) { + std::verify_proof( + verification_key, + proof, + public_inputs, + key_hash + ); + + std::verify_proof( + verification_key, + proof_b, + public_inputs, + key_hash + ); +} +``` + +You can see a full example of recursive proofs in [this example recursion demo repo](https://github.com/noir-lang/noir-examples/tree/master/recursion). + +## Parameters + +### `verification_key` + +The verification key for the zk program that is being verified. + +### `proof` + +The proof for the zk program that is being verified. + +### `public_inputs` + +These represent the public inputs of the proof we are verifying. + +### `key_hash` + +A key hash is used to check the validity of the verification key. The circuit implementing this opcode can use this hash to ensure that the key provided to the circuit matches the key produced by the circuit creator. diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/traits.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/traits.md new file mode 100644 index 00000000000..ee20f9cd949 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/noir/standard_library/traits.md @@ -0,0 +1,628 @@ +--- +title: Traits +description: Noir's stdlib provides a few commonly used traits. +keywords: [traits, trait, interface, protocol, default, add, eq] +--- + +## `std::default` + +### `std::default::Default` + +```rust title="default-trait" showLineNumbers +pub trait Default { + fn default() -> Self; +} +``` +> Source code: noir_stdlib/src/default.nr#L4-L8 + + +Constructs a default value of a type. + +Implementations: +```rust +impl Default for Field { .. } + +impl Default for i8 { .. } +impl Default for i16 { .. } +impl Default for i32 { .. } +impl Default for i64 { .. } + +impl Default for u8 { .. } +impl Default for u16 { .. } +impl Default for u32 { .. } +impl Default for u64 { .. } + +impl Default for () { .. } +impl Default for bool { .. } + +impl Default for [T; N] + where T: Default { .. } + +impl Default for [T] { .. } + +impl Default for (A, B) + where A: Default, B: Default { .. } + +impl Default for (A, B, C) + where A: Default, B: Default, C: Default { .. } + +impl Default for (A, B, C, D) + where A: Default, B: Default, C: Default, D: Default { .. } + +impl Default for (A, B, C, D, E) + where A: Default, B: Default, C: Default, D: Default, E: Default { .. } +``` + +For primitive integer types, the return value of `default` is `0`. Container +types such as arrays are filled with default values of their element type, +except slices whose length is unknown and thus defaulted to zero. + +--- + +## `std::convert` + +### `std::convert::From` + +```rust title="from-trait" showLineNumbers +pub trait From { + fn from(input: T) -> Self; +} +``` +> Source code: noir_stdlib/src/convert.nr#L1-L5 + + +The `From` trait defines how to convert from a given type `T` to the type on which the trait is implemented. + +The Noir standard library provides a number of implementations of `From` between primitive types. +```rust title="from-impls" showLineNumbers +// Unsigned integers + +impl From for u32 { + fn from(value: u8) -> u32 { + value as u32 + } +} + +impl From for u64 { + fn from(value: u8) -> u64 { + value as u64 + } +} +impl From for u64 { + fn from(value: u32) -> u64 { + value as u64 + } +} + +impl From for Field { + fn from(value: u8) -> Field { + value as Field + } +} +impl From for Field { + fn from(value: u32) -> Field { + value as Field + } +} +impl From for Field { + fn from(value: u64) -> Field { + value as Field + } +} + +// Signed integers + +impl From for i32 { + fn from(value: i8) -> i32 { + value as i32 + } +} + +impl From for i64 { + fn from(value: i8) -> i64 { + value as i64 + } +} +impl From for i64 { + fn from(value: i32) -> i64 { + value as i64 + } +} + +// Booleans +impl From for u8 { + fn from(value: bool) -> u8 { + value as u8 + } +} +impl From for u32 { + fn from(value: bool) -> u32 { + value as u32 + } +} +impl From for u64 { + fn from(value: bool) -> u64 { + value as u64 + } +} +impl From for i8 { + fn from(value: bool) -> i8 { + value as i8 + } +} +impl From for i32 { + fn from(value: bool) -> i32 { + value as i32 + } +} +impl From for i64 { + fn from(value: bool) -> i64 { + value as i64 + } +} +impl From for Field { + fn from(value: bool) -> Field { + value as Field + } +} +``` +> Source code: noir_stdlib/src/convert.nr#L28-L119 + + +#### When to implement `From` + +As a general rule of thumb, `From` may be implemented in the [situations where it would be suitable in Rust](https://doc.rust-lang.org/std/convert/trait.From.html#when-to-implement-from): + +- The conversion is *infallible*: Noir does not provide an equivalent to Rust's `TryFrom`, if the conversion can fail then provide a named method instead. +- The conversion is *lossless*: semantically, it should not lose or discard information. For example, `u32: From` can losslessly convert any `u16` into a valid `u32` such that the original `u16` can be recovered. On the other hand, `u16: From` should not be implemented as `2**16` is a `u32` which cannot be losslessly converted into a `u16`. +- The conversion is *value-preserving*: the conceptual kind and meaning of the resulting value is the same, even though the Noir type and technical representation might be different. While it's possible to infallibly and losslessly convert a `u8` into a `str<2>` hex representation, `4u8` and `"04"` are too different for `str<2>: From` to be implemented. +- The conversion is *obvious*: it's the only reasonable conversion between the two types. If there's ambiguity on how to convert between them such that the same input could potentially map to two different values then a named method should be used. For instance rather than implementing `U128: From<[u8; 16]>`, the methods `U128::from_le_bytes` and `U128::from_be_bytes` are used as otherwise the endianness of the array would be ambiguous, resulting in two potential values of `U128` from the same byte array. + +One additional recommendation specific to Noir is: +- The conversion is *efficient*: it's relatively cheap to convert between the two types. Due to being a ZK DSL, it's more important to avoid unnecessary computation compared to Rust. If the implementation of `From` would encourage users to perform unnecessary conversion, resulting in additional proving time, then it may be preferable to expose functionality such that this conversion may be avoided. + +### `std::convert::Into` + +The `Into` trait is defined as the reciprocal of `From`. It should be easy to convince yourself that if we can convert to type `A` from type `B`, then it's possible to convert type `B` into type `A`. + +For this reason, implementing `From` on a type will automatically generate a matching `Into` implementation. One should always prefer implementing `From` over `Into` as implementing `Into` will not generate a matching `From` implementation. + +```rust title="into-trait" showLineNumbers +pub trait Into { + fn into(self) -> T; +} + +impl Into for U +where + T: From, +{ + fn into(self) -> T { + T::from(self) + } +} +``` +> Source code: noir_stdlib/src/convert.nr#L13-L26 + + +`Into` is most useful when passing function arguments where the types don't quite match up with what the function expects. In this case, the compiler has enough type information to perform the necessary conversion by just appending `.into()` onto the arguments in question. + +--- + +## `std::cmp` + +### `std::cmp::Eq` + +```rust title="eq-trait" showLineNumbers +pub trait Eq { + fn eq(self, other: Self) -> bool; +} +``` +> Source code: noir_stdlib/src/cmp.nr#L4-L8 + + +Returns `true` if `self` is equal to `other`. Implementing this trait on a type +allows the type to be used with `==` and `!=`. + +Implementations: +```rust +impl Eq for Field { .. } + +impl Eq for i8 { .. } +impl Eq for i16 { .. } +impl Eq for i32 { .. } +impl Eq for i64 { .. } + +impl Eq for u8 { .. } +impl Eq for u16 { .. } +impl Eq for u32 { .. } +impl Eq for u64 { .. } + +impl Eq for () { .. } +impl Eq for bool { .. } + +impl Eq for [T; N] + where T: Eq { .. } + +impl Eq for [T] + where T: Eq { .. } + +impl Eq for (A, B) + where A: Eq, B: Eq { .. } + +impl Eq for (A, B, C) + where A: Eq, B: Eq, C: Eq { .. } + +impl Eq for (A, B, C, D) + where A: Eq, B: Eq, C: Eq, D: Eq { .. } + +impl Eq for (A, B, C, D, E) + where A: Eq, B: Eq, C: Eq, D: Eq, E: Eq { .. } +``` + +### `std::cmp::Ord` + +```rust title="ord-trait" showLineNumbers +pub trait Ord { + fn cmp(self, other: Self) -> Ordering; +} +``` +> Source code: noir_stdlib/src/cmp.nr#L210-L214 + + +`a.cmp(b)` compares two values returning `Ordering::less()` if `a < b`, +`Ordering::equal()` if `a == b`, or `Ordering::greater()` if `a > b`. +Implementing this trait on a type allows `<`, `<=`, `>`, and `>=` to be +used on values of the type. + +`std::cmp` also provides `max` and `min` functions for any type which implements the `Ord` trait. + +Implementations: + +```rust +impl Ord for u8 { .. } +impl Ord for u16 { .. } +impl Ord for u32 { .. } +impl Ord for u64 { .. } + +impl Ord for i8 { .. } +impl Ord for i16 { .. } +impl Ord for i32 { .. } + +impl Ord for i64 { .. } + +impl Ord for () { .. } +impl Ord for bool { .. } + +impl Ord for [T; N] + where T: Ord { .. } + +impl Ord for [T] + where T: Ord { .. } + +impl Ord for (A, B) + where A: Ord, B: Ord { .. } + +impl Ord for (A, B, C) + where A: Ord, B: Ord, C: Ord { .. } + +impl Ord for (A, B, C, D) + where A: Ord, B: Ord, C: Ord, D: Ord { .. } + +impl Ord for (A, B, C, D, E) + where A: Ord, B: Ord, C: Ord, D: Ord, E: Ord { .. } +``` + +--- + +## `std::ops` + +### `std::ops::Add`, `std::ops::Sub`, `std::ops::Mul`, and `std::ops::Div` + +These traits abstract over addition, subtraction, multiplication, and division respectively. +Implementing these traits for a given type will also allow that type to be used with the corresponding operator +for that trait (`+` for Add, etc) in addition to the normal method names. + +```rust title="add-trait" showLineNumbers +pub trait Add { + fn add(self, other: Self) -> Self; +} +``` +> Source code: noir_stdlib/src/ops/arith.nr#L1-L5 + +```rust title="sub-trait" showLineNumbers +pub trait Sub { + fn sub(self, other: Self) -> Self; +} +``` +> Source code: noir_stdlib/src/ops/arith.nr#L60-L64 + +```rust title="mul-trait" showLineNumbers +pub trait Mul { + fn mul(self, other: Self) -> Self; +} +``` +> Source code: noir_stdlib/src/ops/arith.nr#L119-L123 + +```rust title="div-trait" showLineNumbers +pub trait Div { + fn div(self, other: Self) -> Self; +} +``` +> Source code: noir_stdlib/src/ops/arith.nr#L178-L182 + + +The implementations block below is given for the `Add` trait, but the same types that implement +`Add` also implement `Sub`, `Mul`, and `Div`. + +Implementations: +```rust +impl Add for Field { .. } + +impl Add for i8 { .. } +impl Add for i16 { .. } +impl Add for i32 { .. } +impl Add for i64 { .. } + +impl Add for u8 { .. } +impl Add for u16 { .. } +impl Add for u32 { .. } +impl Add for u64 { .. } +``` + +### `std::ops::Rem` + +```rust title="rem-trait" showLineNumbers +pub trait Rem { + fn rem(self, other: Self) -> Self; +} +``` +> Source code: noir_stdlib/src/ops/arith.nr#L237-L241 + + +`Rem::rem(a, b)` is the remainder function returning the result of what is +left after dividing `a` and `b`. Implementing `Rem` allows the `%` operator +to be used with the implementation type. + +Unlike other numeric traits, `Rem` is not implemented for `Field`. + +Implementations: +```rust +impl Rem for u8 { fn rem(self, other: u8) -> u8 { self % other } } +impl Rem for u16 { fn rem(self, other: u16) -> u16 { self % other } } +impl Rem for u32 { fn rem(self, other: u32) -> u32 { self % other } } +impl Rem for u64 { fn rem(self, other: u64) -> u64 { self % other } } + +impl Rem for i8 { fn rem(self, other: i8) -> i8 { self % other } } +impl Rem for i16 { fn rem(self, other: i16) -> i16 { self % other } } +impl Rem for i32 { fn rem(self, other: i32) -> i32 { self % other } } +impl Rem for i64 { fn rem(self, other: i64) -> i64 { self % other } } +``` + +### `std::ops::Neg` + +```rust title="neg-trait" showLineNumbers +pub trait Neg { + fn neg(self) -> Self; +} +``` +> Source code: noir_stdlib/src/ops/arith.nr#L290-L294 + + +`Neg::neg` is equivalent to the unary negation operator `-`. + +Implementations: +```rust title="neg-trait-impls" showLineNumbers +impl Neg for Field { + fn neg(self) -> Field { + -self + } +} + +impl Neg for i8 { + fn neg(self) -> i8 { + -self + } +} +impl Neg for i16 { + fn neg(self) -> i16 { + -self + } +} +impl Neg for i32 { + fn neg(self) -> i32 { + -self + } +} +impl Neg for i64 { + fn neg(self) -> i64 { + -self + } +} +``` +> Source code: noir_stdlib/src/ops/arith.nr#L296-L323 + + +### `std::ops::Not` + +```rust title="not-trait" showLineNumbers +pub trait Not { + fn not(self: Self) -> Self; +} +``` +> Source code: noir_stdlib/src/ops/bit.nr#L1-L5 + + +`Not::not` is equivalent to the unary bitwise NOT operator `!`. + +Implementations: +```rust title="not-trait-impls" showLineNumbers +impl Not for bool { + fn not(self) -> bool { + !self + } +} + +impl Not for u64 { + fn not(self) -> u64 { + !self + } +} +impl Not for u32 { + fn not(self) -> u32 { + !self + } +} +impl Not for u16 { + fn not(self) -> u16 { + !self + } +} +impl Not for u8 { + fn not(self) -> u8 { + !self + } +} +impl Not for u1 { + fn not(self) -> u1 { + !self + } +} + +impl Not for i8 { + fn not(self) -> i8 { + !self + } +} +impl Not for i16 { + fn not(self) -> i16 { + !self + } +} +impl Not for i32 { + fn not(self) -> i32 { + !self + } +} +impl Not for i64 { + fn not(self) -> i64 { + !self + } +} +``` +> Source code: noir_stdlib/src/ops/bit.nr#L7-L60 + + +### `std::ops::{ BitOr, BitAnd, BitXor }` + +```rust title="bitor-trait" showLineNumbers +pub trait BitOr { + fn bitor(self, other: Self) -> Self; +} +``` +> Source code: noir_stdlib/src/ops/bit.nr#L62-L66 + +```rust title="bitand-trait" showLineNumbers +pub trait BitAnd { + fn bitand(self, other: Self) -> Self; +} +``` +> Source code: noir_stdlib/src/ops/bit.nr#L121-L125 + +```rust title="bitxor-trait" showLineNumbers +pub trait BitXor { + fn bitxor(self, other: Self) -> Self; +} +``` +> Source code: noir_stdlib/src/ops/bit.nr#L180-L184 + + +Traits for the bitwise operations `|`, `&`, and `^`. + +Implementing `BitOr`, `BitAnd` or `BitXor` for a type allows the `|`, `&`, or `^` operator respectively +to be used with the type. + +The implementations block below is given for the `BitOr` trait, but the same types that implement +`BitOr` also implement `BitAnd` and `BitXor`. + +Implementations: +```rust +impl BitOr for bool { fn bitor(self, other: bool) -> bool { self | other } } + +impl BitOr for u8 { fn bitor(self, other: u8) -> u8 { self | other } } +impl BitOr for u16 { fn bitor(self, other: u16) -> u16 { self | other } } +impl BitOr for u32 { fn bitor(self, other: u32) -> u32 { self | other } } +impl BitOr for u64 { fn bitor(self, other: u64) -> u64 { self | other } } + +impl BitOr for i8 { fn bitor(self, other: i8) -> i8 { self | other } } +impl BitOr for i16 { fn bitor(self, other: i16) -> i16 { self | other } } +impl BitOr for i32 { fn bitor(self, other: i32) -> i32 { self | other } } +impl BitOr for i64 { fn bitor(self, other: i64) -> i64 { self | other } } +``` + +### `std::ops::{ Shl, Shr }` + +```rust title="shl-trait" showLineNumbers +pub trait Shl { + fn shl(self, other: u8) -> Self; +} +``` +> Source code: noir_stdlib/src/ops/bit.nr#L239-L243 + +```rust title="shr-trait" showLineNumbers +pub trait Shr { + fn shr(self, other: u8) -> Self; +} +``` +> Source code: noir_stdlib/src/ops/bit.nr#L292-L296 + + +Traits for a bit shift left and bit shift right. + +Implementing `Shl` for a type allows the left shift operator (`<<`) to be used with the implementation type. +Similarly, implementing `Shr` allows the right shift operator (`>>`) to be used with the type. + +Note that bit shifting is not currently implemented for signed types. + +The implementations block below is given for the `Shl` trait, but the same types that implement +`Shl` also implement `Shr`. + +Implementations: +```rust +impl Shl for u8 { fn shl(self, other: u8) -> u8 { self << other } } +impl Shl for u16 { fn shl(self, other: u16) -> u16 { self << other } } +impl Shl for u32 { fn shl(self, other: u32) -> u32 { self << other } } +impl Shl for u64 { fn shl(self, other: u64) -> u64 { self << other } } +``` + +--- + +## `std::append` + +### `std::append::Append` + +`Append` can abstract over types that can be appended to - usually container types: + +```rust title="append-trait" showLineNumbers +pub trait Append { + fn empty() -> Self; + fn append(self, other: Self) -> Self; +} +``` +> Source code: noir_stdlib/src/append.nr#L9-L14 + + +`Append` requires two methods: + +- `empty`: Constructs an empty value of `Self`. +- `append`: Append two values together, returning the result. + +Additionally, it is expected that for any implementation: + +- `T::empty().append(x) == x` +- `x.append(T::empty()) == x` + +Implementations: +```rust +impl Append for [T] +impl Append for Quoted +``` diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/NoirJS/noir_js/.nojekyll b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/NoirJS/noir_js/.nojekyll new file mode 100644 index 00000000000..e2ac6616add --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/NoirJS/noir_js/.nojekyll @@ -0,0 +1 @@ +TypeDoc added this file to prevent GitHub Pages from using Jekyll. You can turn off this behavior by setting the `githubPages` option to false. \ No newline at end of file diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/NoirJS/noir_js/classes/Noir.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/NoirJS/noir_js/classes/Noir.md new file mode 100644 index 00000000000..ead255bc504 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/NoirJS/noir_js/classes/Noir.md @@ -0,0 +1,52 @@ +# Noir + +## Constructors + +### new Noir(circuit) + +```ts +new Noir(circuit): Noir +``` + +#### Parameters + +| Parameter | Type | +| :------ | :------ | +| `circuit` | `CompiledCircuit` | + +#### Returns + +[`Noir`](Noir.md) + +## Methods + +### execute() + +```ts +execute(inputs, foreignCallHandler?): Promise +``` + +#### Parameters + +| Parameter | Type | +| :------ | :------ | +| `inputs` | `InputMap` | +| `foreignCallHandler`? | [`ForeignCallHandler`](../type-aliases/ForeignCallHandler.md) | + +#### Returns + +`Promise`\<`object`\> + +#### Description + +Allows to execute a circuit to get its witness and return value. + +#### Example + +```typescript +async execute(inputs) +``` + +*** + +Generated using [typedoc-plugin-markdown](https://www.npmjs.com/package/typedoc-plugin-markdown) and [TypeDoc](https://typedoc.org/) diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/NoirJS/noir_js/functions/and.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/NoirJS/noir_js/functions/and.md new file mode 100644 index 00000000000..c783283e396 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/NoirJS/noir_js/functions/and.md @@ -0,0 +1,22 @@ +# and() + +```ts +and(lhs, rhs): string +``` + +Performs a bitwise AND operation between `lhs` and `rhs` + +## Parameters + +| Parameter | Type | Description | +| :------ | :------ | :------ | +| `lhs` | `string` | | +| `rhs` | `string` | | + +## Returns + +`string` + +*** + +Generated using [typedoc-plugin-markdown](https://www.npmjs.com/package/typedoc-plugin-markdown) and [TypeDoc](https://typedoc.org/) diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/NoirJS/noir_js/functions/blake2s256.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/NoirJS/noir_js/functions/blake2s256.md new file mode 100644 index 00000000000..7882d0da8d5 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/NoirJS/noir_js/functions/blake2s256.md @@ -0,0 +1,21 @@ +# blake2s256() + +```ts +blake2s256(inputs): Uint8Array +``` + +Calculates the Blake2s256 hash of the input bytes + +## Parameters + +| Parameter | Type | Description | +| :------ | :------ | :------ | +| `inputs` | `Uint8Array` | | + +## Returns + +`Uint8Array` + +*** + +Generated using [typedoc-plugin-markdown](https://www.npmjs.com/package/typedoc-plugin-markdown) and [TypeDoc](https://typedoc.org/) diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/NoirJS/noir_js/functions/ecdsa_secp256k1_verify.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/NoirJS/noir_js/functions/ecdsa_secp256k1_verify.md new file mode 100644 index 00000000000..5e3cd53e9d3 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/NoirJS/noir_js/functions/ecdsa_secp256k1_verify.md @@ -0,0 +1,28 @@ +# ecdsa\_secp256k1\_verify() + +```ts +ecdsa_secp256k1_verify( + hashed_msg, + public_key_x_bytes, + public_key_y_bytes, + signature): boolean +``` + +Verifies a ECDSA signature over the secp256k1 curve. + +## Parameters + +| Parameter | Type | Description | +| :------ | :------ | :------ | +| `hashed_msg` | `Uint8Array` | | +| `public_key_x_bytes` | `Uint8Array` | | +| `public_key_y_bytes` | `Uint8Array` | | +| `signature` | `Uint8Array` | | + +## Returns + +`boolean` + +*** + +Generated using [typedoc-plugin-markdown](https://www.npmjs.com/package/typedoc-plugin-markdown) and [TypeDoc](https://typedoc.org/) diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/NoirJS/noir_js/functions/ecdsa_secp256r1_verify.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/NoirJS/noir_js/functions/ecdsa_secp256r1_verify.md new file mode 100644 index 00000000000..0b20ff68957 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/NoirJS/noir_js/functions/ecdsa_secp256r1_verify.md @@ -0,0 +1,28 @@ +# ecdsa\_secp256r1\_verify() + +```ts +ecdsa_secp256r1_verify( + hashed_msg, + public_key_x_bytes, + public_key_y_bytes, + signature): boolean +``` + +Verifies a ECDSA signature over the secp256r1 curve. + +## Parameters + +| Parameter | Type | Description | +| :------ | :------ | :------ | +| `hashed_msg` | `Uint8Array` | | +| `public_key_x_bytes` | `Uint8Array` | | +| `public_key_y_bytes` | `Uint8Array` | | +| `signature` | `Uint8Array` | | + +## Returns + +`boolean` + +*** + +Generated using [typedoc-plugin-markdown](https://www.npmjs.com/package/typedoc-plugin-markdown) and [TypeDoc](https://typedoc.org/) diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/NoirJS/noir_js/functions/xor.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/NoirJS/noir_js/functions/xor.md new file mode 100644 index 00000000000..8d762b895d3 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/NoirJS/noir_js/functions/xor.md @@ -0,0 +1,22 @@ +# xor() + +```ts +xor(lhs, rhs): string +``` + +Performs a bitwise XOR operation between `lhs` and `rhs` + +## Parameters + +| Parameter | Type | Description | +| :------ | :------ | :------ | +| `lhs` | `string` | | +| `rhs` | `string` | | + +## Returns + +`string` + +*** + +Generated using [typedoc-plugin-markdown](https://www.npmjs.com/package/typedoc-plugin-markdown) and [TypeDoc](https://typedoc.org/) diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/NoirJS/noir_js/index.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/NoirJS/noir_js/index.md new file mode 100644 index 00000000000..4de7a696991 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/NoirJS/noir_js/index.md @@ -0,0 +1,47 @@ +# noir_js + +## Exports + +### Classes + +| Class | Description | +| :------ | :------ | +| [Noir](classes/Noir.md) | - | + +### Type Aliases + +| Type alias | Description | +| :------ | :------ | +| [ErrorWithPayload](type-aliases/ErrorWithPayload.md) | - | +| [ForeignCallHandler](type-aliases/ForeignCallHandler.md) | A callback which performs an foreign call and returns the response. | +| [ForeignCallInput](type-aliases/ForeignCallInput.md) | - | +| [ForeignCallOutput](type-aliases/ForeignCallOutput.md) | - | +| [WitnessMap](type-aliases/WitnessMap.md) | - | + +### Functions + +| Function | Description | +| :------ | :------ | +| [and](functions/and.md) | Performs a bitwise AND operation between `lhs` and `rhs` | +| [blake2s256](functions/blake2s256.md) | Calculates the Blake2s256 hash of the input bytes | +| [ecdsa\_secp256k1\_verify](functions/ecdsa_secp256k1_verify.md) | Verifies a ECDSA signature over the secp256k1 curve. | +| [ecdsa\_secp256r1\_verify](functions/ecdsa_secp256r1_verify.md) | Verifies a ECDSA signature over the secp256r1 curve. | +| [xor](functions/xor.md) | Performs a bitwise XOR operation between `lhs` and `rhs` | + +## References + +### CompiledCircuit + +Renames and re-exports [InputMap](index.md#inputmap) + +## Variables + +### InputMap + +```ts +InputMap: any; +``` + +*** + +Generated using [typedoc-plugin-markdown](https://www.npmjs.com/package/typedoc-plugin-markdown) and [TypeDoc](https://typedoc.org/) diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/NoirJS/noir_js/type-aliases/ErrorWithPayload.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/NoirJS/noir_js/type-aliases/ErrorWithPayload.md new file mode 100644 index 00000000000..e8c2f4aef3d --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/NoirJS/noir_js/type-aliases/ErrorWithPayload.md @@ -0,0 +1,15 @@ +# ErrorWithPayload + +```ts +type ErrorWithPayload: ExecutionError & object; +``` + +## Type declaration + +| Member | Type | Description | +| :------ | :------ | :------ | +| `decodedAssertionPayload` | `any` | - | + +*** + +Generated using [typedoc-plugin-markdown](https://www.npmjs.com/package/typedoc-plugin-markdown) and [TypeDoc](https://typedoc.org/) diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/NoirJS/noir_js/type-aliases/ForeignCallHandler.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/NoirJS/noir_js/type-aliases/ForeignCallHandler.md new file mode 100644 index 00000000000..812b8b16481 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/NoirJS/noir_js/type-aliases/ForeignCallHandler.md @@ -0,0 +1,24 @@ +# ForeignCallHandler + +```ts +type ForeignCallHandler: (name, inputs) => Promise; +``` + +A callback which performs an foreign call and returns the response. + +## Parameters + +| Parameter | Type | Description | +| :------ | :------ | :------ | +| `name` | `string` | The identifier for the type of foreign call being performed. | +| `inputs` | [`ForeignCallInput`](ForeignCallInput.md)[] | An array of hex encoded inputs to the foreign call. | + +## Returns + +`Promise`\<[`ForeignCallOutput`](ForeignCallOutput.md)[]\> + +outputs - An array of hex encoded outputs containing the results of the foreign call. + +*** + +Generated using [typedoc-plugin-markdown](https://www.npmjs.com/package/typedoc-plugin-markdown) and [TypeDoc](https://typedoc.org/) diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/NoirJS/noir_js/type-aliases/ForeignCallInput.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/NoirJS/noir_js/type-aliases/ForeignCallInput.md new file mode 100644 index 00000000000..dd95809186a --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/NoirJS/noir_js/type-aliases/ForeignCallInput.md @@ -0,0 +1,9 @@ +# ForeignCallInput + +```ts +type ForeignCallInput: string[]; +``` + +*** + +Generated using [typedoc-plugin-markdown](https://www.npmjs.com/package/typedoc-plugin-markdown) and [TypeDoc](https://typedoc.org/) diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/NoirJS/noir_js/type-aliases/ForeignCallOutput.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/NoirJS/noir_js/type-aliases/ForeignCallOutput.md new file mode 100644 index 00000000000..b71fb78a946 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/NoirJS/noir_js/type-aliases/ForeignCallOutput.md @@ -0,0 +1,9 @@ +# ForeignCallOutput + +```ts +type ForeignCallOutput: string | string[]; +``` + +*** + +Generated using [typedoc-plugin-markdown](https://www.npmjs.com/package/typedoc-plugin-markdown) and [TypeDoc](https://typedoc.org/) diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/NoirJS/noir_js/type-aliases/WitnessMap.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/NoirJS/noir_js/type-aliases/WitnessMap.md new file mode 100644 index 00000000000..258c46f9d0c --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/NoirJS/noir_js/type-aliases/WitnessMap.md @@ -0,0 +1,9 @@ +# WitnessMap + +```ts +type WitnessMap: Map; +``` + +*** + +Generated using [typedoc-plugin-markdown](https://www.npmjs.com/package/typedoc-plugin-markdown) and [TypeDoc](https://typedoc.org/) diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/NoirJS/noir_js/typedoc-sidebar.cjs b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/NoirJS/noir_js/typedoc-sidebar.cjs new file mode 100644 index 00000000000..4796b5abaa8 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/NoirJS/noir_js/typedoc-sidebar.cjs @@ -0,0 +1,4 @@ +// @ts-check +/** @type {import('@docusaurus/plugin-content-docs').SidebarsConfig} */ +const typedocSidebar = { items: [{"type":"category","label":"Classes","items":[{"type":"doc","id":"reference/NoirJS/noir_js/classes/Noir","label":"Noir"}]},{"type":"category","label":"Type Aliases","items":[{"type":"doc","id":"reference/NoirJS/noir_js/type-aliases/ErrorWithPayload","label":"ErrorWithPayload"},{"type":"doc","id":"reference/NoirJS/noir_js/type-aliases/ForeignCallHandler","label":"ForeignCallHandler"},{"type":"doc","id":"reference/NoirJS/noir_js/type-aliases/ForeignCallInput","label":"ForeignCallInput"},{"type":"doc","id":"reference/NoirJS/noir_js/type-aliases/ForeignCallOutput","label":"ForeignCallOutput"},{"type":"doc","id":"reference/NoirJS/noir_js/type-aliases/WitnessMap","label":"WitnessMap"}]},{"type":"category","label":"Functions","items":[{"type":"doc","id":"reference/NoirJS/noir_js/functions/and","label":"and"},{"type":"doc","id":"reference/NoirJS/noir_js/functions/blake2s256","label":"blake2s256"},{"type":"doc","id":"reference/NoirJS/noir_js/functions/ecdsa_secp256k1_verify","label":"ecdsa_secp256k1_verify"},{"type":"doc","id":"reference/NoirJS/noir_js/functions/ecdsa_secp256r1_verify","label":"ecdsa_secp256r1_verify"},{"type":"doc","id":"reference/NoirJS/noir_js/functions/xor","label":"xor"}]}]}; +module.exports = typedocSidebar.items; \ No newline at end of file diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/NoirJS/noir_wasm/.nojekyll b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/NoirJS/noir_wasm/.nojekyll new file mode 100644 index 00000000000..e2ac6616add --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/NoirJS/noir_wasm/.nojekyll @@ -0,0 +1 @@ +TypeDoc added this file to prevent GitHub Pages from using Jekyll. You can turn off this behavior by setting the `githubPages` option to false. \ No newline at end of file diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/NoirJS/noir_wasm/functions/compile.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/NoirJS/noir_wasm/functions/compile.md new file mode 100644 index 00000000000..6faf763b37f --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/NoirJS/noir_wasm/functions/compile.md @@ -0,0 +1,51 @@ +# compile() + +```ts +compile( + fileManager, + projectPath?, + logFn?, +debugLogFn?): Promise +``` + +Compiles a Noir project + +## Parameters + +| Parameter | Type | Description | +| :------ | :------ | :------ | +| `fileManager` | `FileManager` | The file manager to use | +| `projectPath`? | `string` | The path to the project inside the file manager. Defaults to the root of the file manager | +| `logFn`? | `LogFn` | A logging function. If not provided, console.log will be used | +| `debugLogFn`? | `LogFn` | A debug logging function. If not provided, logFn will be used | + +## Returns + +`Promise`\<[`ProgramCompilationArtifacts`](../index.md#programcompilationartifacts)\> + +## Example + +```typescript +// Node.js + +import { compile_program, createFileManager } from '@noir-lang/noir_wasm'; + +const fm = createFileManager(myProjectPath); +const myCompiledCode = await compile_program(fm); +``` + +```typescript +// Browser + +import { compile_program, createFileManager } from '@noir-lang/noir_wasm'; + +const fm = createFileManager('/'); +for (const path of files) { + await fm.writeFile(path, await getFileAsStream(path)); +} +const myCompiledCode = await compile_program(fm); +``` + +*** + +Generated using [typedoc-plugin-markdown](https://www.npmjs.com/package/typedoc-plugin-markdown) and [TypeDoc](https://typedoc.org/) diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/NoirJS/noir_wasm/functions/compile_contract.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/NoirJS/noir_wasm/functions/compile_contract.md new file mode 100644 index 00000000000..7d0b39a43ef --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/NoirJS/noir_wasm/functions/compile_contract.md @@ -0,0 +1,51 @@ +# compile\_contract() + +```ts +compile_contract( + fileManager, + projectPath?, + logFn?, +debugLogFn?): Promise +``` + +Compiles a Noir project + +## Parameters + +| Parameter | Type | Description | +| :------ | :------ | :------ | +| `fileManager` | `FileManager` | The file manager to use | +| `projectPath`? | `string` | The path to the project inside the file manager. Defaults to the root of the file manager | +| `logFn`? | `LogFn` | A logging function. If not provided, console.log will be used | +| `debugLogFn`? | `LogFn` | A debug logging function. If not provided, logFn will be used | + +## Returns + +`Promise`\<[`ContractCompilationArtifacts`](../index.md#contractcompilationartifacts)\> + +## Example + +```typescript +// Node.js + +import { compile_contract, createFileManager } from '@noir-lang/noir_wasm'; + +const fm = createFileManager(myProjectPath); +const myCompiledCode = await compile_contract(fm); +``` + +```typescript +// Browser + +import { compile_contract, createFileManager } from '@noir-lang/noir_wasm'; + +const fm = createFileManager('/'); +for (const path of files) { + await fm.writeFile(path, await getFileAsStream(path)); +} +const myCompiledCode = await compile_contract(fm); +``` + +*** + +Generated using [typedoc-plugin-markdown](https://www.npmjs.com/package/typedoc-plugin-markdown) and [TypeDoc](https://typedoc.org/) diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/NoirJS/noir_wasm/functions/createFileManager.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/NoirJS/noir_wasm/functions/createFileManager.md new file mode 100644 index 00000000000..7e65c1d69c7 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/NoirJS/noir_wasm/functions/createFileManager.md @@ -0,0 +1,21 @@ +# createFileManager() + +```ts +createFileManager(dataDir): FileManager +``` + +Creates a new FileManager instance based on fs in node and memfs in the browser (via webpack alias) + +## Parameters + +| Parameter | Type | Description | +| :------ | :------ | :------ | +| `dataDir` | `string` | root of the file system | + +## Returns + +`FileManager` + +*** + +Generated using [typedoc-plugin-markdown](https://www.npmjs.com/package/typedoc-plugin-markdown) and [TypeDoc](https://typedoc.org/) diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/NoirJS/noir_wasm/functions/inflateDebugSymbols.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/NoirJS/noir_wasm/functions/inflateDebugSymbols.md new file mode 100644 index 00000000000..fcea9275341 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/NoirJS/noir_wasm/functions/inflateDebugSymbols.md @@ -0,0 +1,21 @@ +# inflateDebugSymbols() + +```ts +inflateDebugSymbols(debugSymbols): any +``` + +Decompresses and decodes the debug symbols + +## Parameters + +| Parameter | Type | Description | +| :------ | :------ | :------ | +| `debugSymbols` | `string` | The base64 encoded debug symbols | + +## Returns + +`any` + +*** + +Generated using [typedoc-plugin-markdown](https://www.npmjs.com/package/typedoc-plugin-markdown) and [TypeDoc](https://typedoc.org/) diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/NoirJS/noir_wasm/index.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/NoirJS/noir_wasm/index.md new file mode 100644 index 00000000000..b6e0f9d1bc0 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/NoirJS/noir_wasm/index.md @@ -0,0 +1,49 @@ +# noir_wasm + +## Exports + +### Functions + +| Function | Description | +| :------ | :------ | +| [compile](functions/compile.md) | Compiles a Noir project | +| [compile\_contract](functions/compile_contract.md) | Compiles a Noir project | +| [createFileManager](functions/createFileManager.md) | Creates a new FileManager instance based on fs in node and memfs in the browser (via webpack alias) | +| [inflateDebugSymbols](functions/inflateDebugSymbols.md) | Decompresses and decodes the debug symbols | + +## References + +### compile\_program + +Renames and re-exports [compile](functions/compile.md) + +## Interfaces + +### ContractCompilationArtifacts + +The compilation artifacts of a given contract. + +#### Properties + +| Property | Type | Description | +| :------ | :------ | :------ | +| `contract` | `ContractArtifact` | The compiled contract. | +| `warnings` | `unknown`[] | Compilation warnings. | + +*** + +### ProgramCompilationArtifacts + +The compilation artifacts of a given program. + +#### Properties + +| Property | Type | Description | +| :------ | :------ | :------ | +| `name` | `string` | not part of the compilation output, injected later | +| `program` | `ProgramArtifact` | The compiled contract. | +| `warnings` | `unknown`[] | Compilation warnings. | + +*** + +Generated using [typedoc-plugin-markdown](https://www.npmjs.com/package/typedoc-plugin-markdown) and [TypeDoc](https://typedoc.org/) diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/NoirJS/noir_wasm/typedoc-sidebar.cjs b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/NoirJS/noir_wasm/typedoc-sidebar.cjs new file mode 100644 index 00000000000..e0870710349 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/NoirJS/noir_wasm/typedoc-sidebar.cjs @@ -0,0 +1,4 @@ +// @ts-check +/** @type {import('@docusaurus/plugin-content-docs').SidebarsConfig} */ +const typedocSidebar = { items: [{"type":"doc","id":"reference/NoirJS/noir_wasm/index","label":"API"},{"type":"category","label":"Functions","items":[{"type":"doc","id":"reference/NoirJS/noir_wasm/functions/compile","label":"compile"},{"type":"doc","id":"reference/NoirJS/noir_wasm/functions/compile_contract","label":"compile_contract"},{"type":"doc","id":"reference/NoirJS/noir_wasm/functions/createFileManager","label":"createFileManager"},{"type":"doc","id":"reference/NoirJS/noir_wasm/functions/inflateDebugSymbols","label":"inflateDebugSymbols"}]}]}; +module.exports = typedocSidebar.items; \ No newline at end of file diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/_category_.json b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/_category_.json new file mode 100644 index 00000000000..5b6a20a609a --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/_category_.json @@ -0,0 +1,5 @@ +{ + "position": 4, + "collapsible": true, + "collapsed": true +} diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/debugger/_category_.json b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/debugger/_category_.json new file mode 100644 index 00000000000..27869205ad3 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/debugger/_category_.json @@ -0,0 +1,6 @@ +{ + "label": "Debugger", + "position": 1, + "collapsible": true, + "collapsed": true +} diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/debugger/debugger_known_limitations.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/debugger/debugger_known_limitations.md new file mode 100644 index 00000000000..936d416ac4b --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/debugger/debugger_known_limitations.md @@ -0,0 +1,59 @@ +--- +title: Known limitations +description: + An overview of known limitations of the current version of the Noir debugger +keywords: + [ + Nargo, + Noir Debugger, + VS Code, + ] +sidebar_position: 2 +--- + +# Debugger Known Limitations + +There are currently some limits to what the debugger can observe. + +## Mutable references + +The debugger is currently blind to any state mutated via a mutable reference. For example, in: + +``` +let mut x = 1; +let y = &mut x; +*y = 2; +``` + +The update on `x` will not be observed by the debugger. That means, when running `vars` from the debugger REPL, or inspecting the _local variables_ pane in the VS Code debugger, `x` will appear with value 1 despite having executed `*y = 2;`. + +## Variables of type function or mutable references are opaque + +When inspecting variables, any variable of type `Function` or `MutableReference` will render its value as `<>` or `<>`. + +## Debugger instrumentation affects resulting ACIR + +In order to make the state of local variables observable, the debugger compiles Noir circuits interleaving foreign calls that track any mutations to them. While this works (except in the cases described above) and doesn't introduce any behavior changes, it does as a side effect produce bigger bytecode. In particular, when running the command `opcodes` on the REPL debugger, you will notice Unconstrained VM blocks that look like this: + +``` +... +5 BRILLIG inputs=[Single(Expression { mul_terms: [], linear_combinations: [], q_c: 2 }), Single(Expression { mul_terms: [], linear_combinations: [(1, Witness(2))], q_c: 0 })] + | outputs=[] + 5.0 | Mov { destination: RegisterIndex(2), source: RegisterIndex(0) } + 5.1 | Mov { destination: RegisterIndex(3), source: RegisterIndex(1) } + 5.2 | Const { destination: RegisterIndex(0), value: Value { inner: 0 } } + 5.3 | Const { destination: RegisterIndex(1), value: Value { inner: 0 } } + 5.4 | Mov { destination: RegisterIndex(2), source: RegisterIndex(2) } + 5.5 | Mov { destination: RegisterIndex(3), source: RegisterIndex(3) } + 5.6 | Call { location: 8 } + 5.7 | Stop + 5.8 | ForeignCall { function: "__debug_var_assign", destinations: [], inputs: [RegisterIndex(RegisterIndex(2)), RegisterIndex(RegisterIndex(3))] } +... +``` + +If you are interested in debugging/inspecting compiled ACIR without these synthetic changes, you can invoke the REPL debugger with the `--skip-instrumentation` flag or launch the VS Code debugger with the `skipConfiguration` property set to true in its launch configuration. You can find more details about those in the [Debugger REPL reference](debugger_repl.md) and the [VS Code Debugger reference](debugger_vscode.md). + +:::note +Skipping debugger instrumentation means you won't be able to inspect values of local variables. +::: + diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/debugger/debugger_repl.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/debugger/debugger_repl.md new file mode 100644 index 00000000000..46e2011304e --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/debugger/debugger_repl.md @@ -0,0 +1,360 @@ +--- +title: REPL Debugger +description: + Noir Debugger REPL options and commands. +keywords: + [ + Nargo, + Noir CLI, + Noir Debugger, + REPL, + ] +sidebar_position: 1 +--- + +## Running the REPL debugger + +`nargo debug [OPTIONS] [WITNESS_NAME]` + +Runs the Noir REPL debugger. If a `WITNESS_NAME` is provided the debugger writes the resulting execution witness to a `WITNESS_NAME` file. + +### Options + +| Option | Description | +| --------------------- | ------------------------------------------------------------ | +| `-p, --prover-name ` | The name of the toml file which contains the inputs for the prover [default: Prover]| +| `--package ` | The name of the package to debug | +| `--print-acir` | Display the ACIR for compiled circuit | +| `--deny-warnings` | Treat all warnings as errors | +| `--silence-warnings` | Suppress warnings | +| `-h, --help` | Print help | + +None of these options are required. + +:::note +Since the debugger starts by compiling the target package, all Noir compiler options are also available. Check out the [compiler reference](../nargo_commands.md#nargo-compile) to learn more about the compiler options. +::: + +## REPL commands + +Once the debugger is running, it accepts the following commands. + +#### `help` (h) + +Displays the menu of available commands. + +``` +> help +Available commands: + + opcodes display ACIR opcodes + into step into to the next opcode + next step until a new source location is reached + out step until a new source location is reached + and the current stack frame is finished + break LOCATION:OpcodeLocation add a breakpoint at an opcode location + over step until a new source location is reached + without diving into function calls + restart restart the debugging session + delete LOCATION:OpcodeLocation delete breakpoint at an opcode location + witness show witness map + witness index:u32 display a single witness from the witness map + witness index:u32 value:String update a witness with the given value + memset index:usize value:String update a memory cell with the given + value + continue continue execution until the end of the + program + vars show variable values available at this point + in execution + stacktrace display the current stack trace + memory show memory (valid when executing unconstrained code) value + step step to the next ACIR opcode + +Other commands: + + help Show this help message + quit Quit repl + +``` + +### Stepping through programs + +#### `next` (n) + +Step until the next Noir source code location. While other commands, such as [`into`](#into-i) and [`step`](#step-s), allow for finer grained control of the program's execution at the opcode level, `next` is source code centric. For example: + +``` +3 ... +4 fn main(x: u32) { +5 assert(entry_point(x) == 2); +6 swap_entry_point(x, x + 1); +7 -> assert(deep_entry_point(x) == 4); +8 multiple_values_entry_point(x); +9 } +``` + + +Using `next` here would cause the debugger to jump to the definition of `deep_entry_point` (if available). + +If you want to step over `deep_entry_point` and go straight to line 8, use [the `over` command](#over) instead. + +#### `over` + +Step until the next source code location, without diving into function calls. For example: + +``` +3 ... +4 fn main(x: u32) { +5 assert(entry_point(x) == 2); +6 swap_entry_point(x, x + 1); +7 -> assert(deep_entry_point(x) == 4); +8 multiple_values_entry_point(x); +9 } +``` + + +Using `over` here would cause the debugger to execute until line 8 (`multiple_values_entry_point(x);`). + +If you want to step into `deep_entry_point` instead, use [the `next` command](#next-n). + +#### `out` + +Step until the end of the current function call. For example: + +``` + 3 ... + 4 fn main(x: u32) { + 5 assert(entry_point(x) == 2); + 6 swap_entry_point(x, x + 1); + 7 -> assert(deep_entry_point(x) == 4); + 8 multiple_values_entry_point(x); + 9 } + 10 + 11 unconstrained fn returns_multiple_values(x: u32) -> (u32, u32, u32, u32) { + 12 ... + ... + 55 + 56 unconstrained fn deep_entry_point(x: u32) -> u32 { + 57 -> level_1(x + 1) + 58 } + +``` + +Running `out` here will resume execution until line 8. + +#### `step` (s) + +Skips to the next ACIR code. A compiled Noir program is a sequence of ACIR opcodes. However, an unconstrained VM opcode denotes the start of an unconstrained code block, to be executed by the unconstrained VM. For example (redacted for brevity): + +``` +0 BLACKBOX::RANGE [(_0, num_bits: 32)] [ ] +1 -> BRILLIG inputs=[Single(Expression { mul_terms: [], linear_combinations: [(1, Witness(0))], q_c: 0 })] outputs=[Simple(Witness(1))] + 1.0 | Mov { destination: RegisterIndex(2), source: RegisterIndex(0) } + 1.1 | Const { destination: RegisterIndex(0), value: Value { inner: 0 } } + 1.2 | Const { destination: RegisterIndex(1), value: Value { inner: 0 } } + 1.3 | Mov { destination: RegisterIndex(2), source: RegisterIndex(2) } + 1.4 | Call { location: 7 } + ... + 1.43 | Return +2 EXPR [ (1, _1) -2 ] +``` + +The `->` here shows the debugger paused at an ACIR opcode: `BRILLIG`, at index 1, which denotes an unconstrained code block is about to start. + +Using the `step` command at this point would result in the debugger stopping at ACIR opcode 2, `EXPR`, skipping unconstrained computation steps. + +Use [the `into` command](#into-i) instead if you want to follow unconstrained computation step by step. + +#### `into` (i) + +Steps into the next opcode. A compiled Noir program is a sequence of ACIR opcodes. However, a BRILLIG opcode denotes the start of an unconstrained code block, to be executed by the unconstrained VM. For example (redacted for brevity): + +``` +0 BLACKBOX::RANGE [(_0, num_bits: 32)] [ ] +1 -> BRILLIG inputs=[Single(Expression { mul_terms: [], linear_combinations: [(1, Witness(0))], q_c: 0 })] outputs=[Simple(Witness(1))] + 1.0 | Mov { destination: RegisterIndex(2), source: RegisterIndex(0) } + 1.1 | Const { destination: RegisterIndex(0), value: Value { inner: 0 } } + 1.2 | Const { destination: RegisterIndex(1), value: Value { inner: 0 } } + 1.3 | Mov { destination: RegisterIndex(2), source: RegisterIndex(2) } + 1.4 | Call { location: 7 } + ... + 1.43 | Return +2 EXPR [ (1, _1) -2 ] +``` + +The `->` here shows the debugger paused at an ACIR opcode: `BRILLIG`, at index 1, which denotes an unconstrained code block is about to start. + +Using the `into` command at this point would result in the debugger stopping at opcode 1.0, `Mov ...`, allowing the debugger user to follow unconstrained computation step by step. + +Use [the `step` command](#step-s) instead if you want to skip to the next ACIR code directly. + +#### `continue` (c) + +Continues execution until the next breakpoint, or the end of the program. + +#### `restart` (res) + +Interrupts execution, and restarts a new debugging session from scratch. + +#### `opcodes` (o) + +Display the program's ACIR opcode sequence. For example: + +``` +0 BLACKBOX::RANGE [(_0, num_bits: 32)] [ ] +1 -> BRILLIG inputs=[Single(Expression { mul_terms: [], linear_combinations: [(1, Witness(0))], q_c: 0 })] outputs=[Simple(Witness(1))] + 1.0 | Mov { destination: RegisterIndex(2), source: RegisterIndex(0) } + 1.1 | Const { destination: RegisterIndex(0), value: Value { inner: 0 } } + 1.2 | Const { destination: RegisterIndex(1), value: Value { inner: 0 } } + 1.3 | Mov { destination: RegisterIndex(2), source: RegisterIndex(2) } + 1.4 | Call { location: 7 } + ... + 1.43 | Return +2 EXPR [ (1, _1) -2 ] +``` + +### Breakpoints + +#### `break [Opcode]` (or shorthand `b [Opcode]`) + +Sets a breakpoint on the specified opcode index. To get a list of the program opcode numbers, see [the `opcode` command](#opcodes-o). For example: + +``` +0 BLACKBOX::RANGE [(_0, num_bits: 32)] [ ] +1 -> BRILLIG inputs=[Single(Expression { mul_terms: [], linear_combinations: [(1, Witness(0))], q_c: 0 })] outputs=[Simple(Witness(1))] + 1.0 | Mov { destination: RegisterIndex(2), source: RegisterIndex(0) } + 1.1 | Const { destination: RegisterIndex(0), value: Value { inner: 0 } } + 1.2 | Const { destination: RegisterIndex(1), value: Value { inner: 0 } } + 1.3 | Mov { destination: RegisterIndex(2), source: RegisterIndex(2) } + 1.4 | Call { location: 7 } + ... + 1.43 | Return +2 EXPR [ (1, _1) -2 ] +``` + +In this example, issuing a `break 1.2` command adds break on opcode 1.2, as denoted by the `*` character: + +``` +0 BLACKBOX::RANGE [(_0, num_bits: 32)] [ ] +1 -> BRILLIG inputs=[Single(Expression { mul_terms: [], linear_combinations: [(1, Witness(0))], q_c: 0 })] outputs=[Simple(Witness(1))] + 1.0 | Mov { destination: RegisterIndex(2), source: RegisterIndex(0) } + 1.1 | Const { destination: RegisterIndex(0), value: Value { inner: 0 } } + 1.2 | * Const { destination: RegisterIndex(1), value: Value { inner: 0 } } + 1.3 | Mov { destination: RegisterIndex(2), source: RegisterIndex(2) } + 1.4 | Call { location: 7 } + ... + 1.43 | Return +2 EXPR [ (1, _1) -2 ] +``` + +Running [the `continue` command](#continue-c) at this point would cause the debugger to execute the program until opcode 1.2. + +#### `delete [Opcode]` (or shorthand `d [Opcode]`) + +Deletes a breakpoint at an opcode location. Usage is analogous to [the `break` command](#). + +### Variable inspection + +#### vars + +Show variable values available at this point in execution. + +:::note +The ability to inspect variable values from the debugger depends on compilation to be run in a special debug instrumentation mode. This instrumentation weaves variable tracing code with the original source code. + +So variable value inspection comes at the expense of making the resulting ACIR bytecode bigger and harder to understand and optimize. + +If you find this compromise unacceptable, you can run the debugger with the flag `--skip-debug-instrumentation`. This will compile your circuit without any additional debug information, so the resulting ACIR bytecode will be identical to the one produced by standard Noir compilation. However, if you opt for this, the `vars` command will not be available while debugging. +::: + + +### Stacktrace + +#### `stacktrace` + +Displays the current stack trace. + + +### Witness map + +#### `witness` (w) + +Show witness map. For example: + +``` +_0 = 0 +_1 = 2 +_2 = 1 +``` + +#### `witness [Witness Index]` + +Display a single witness from the witness map. For example: + +``` +> witness 1 +_1 = 2 +``` + +#### `witness [Witness Index] [New value]` + +Overwrite the given index with a new value. For example: + +``` +> witness 1 3 +_1 = 3 +``` + + +### Unconstrained VM memory + +#### `memory` + +Show unconstrained VM memory state. For example: + +``` +> memory +At opcode 1.13: Store { destination_pointer: RegisterIndex(0), source: RegisterIndex(3) } +... +> registers +0 = 0 +1 = 10 +2 = 0 +3 = 1 +4 = 1 +5 = 2³² +6 = 1 +> into +At opcode 1.14: Const { destination: RegisterIndex(5), value: Value { inner: 1 } } +... +> memory +0 = 1 +> +``` + +In the example above: we start with clean memory, then step through a `Store` opcode which stores the value of register 3 (1) into the memory address stored in register 0 (0). Thus now `memory` shows memory address 0 contains value 1. + +:::note +This command is only functional while the debugger is executing unconstrained code. +::: + +#### `memset [Memory address] [New value]` + +Update a memory cell with the given value. For example: + +``` +> memory +0 = 1 +> memset 0 2 +> memory +0 = 2 +> memset 1 4 +> memory +0 = 2 +1 = 4 +> +``` + +:::note +This command is only functional while the debugger is executing unconstrained code. +::: \ No newline at end of file diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/debugger/debugger_vscode.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/debugger/debugger_vscode.md new file mode 100644 index 00000000000..c027332b3b0 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/debugger/debugger_vscode.md @@ -0,0 +1,82 @@ +--- +title: VS Code Debugger +description: + VS Code Debugger configuration and features. +keywords: + [ + Nargo, + Noir CLI, + Noir Debugger, + VS Code, + IDE, + ] +sidebar_position: 0 +--- + +# VS Code Noir Debugger Reference + +The Noir debugger enabled by the vscode-noir extension ships with default settings such that the most common scenario should run without any additional configuration steps. + +These defaults can nevertheless be overridden by defining a launch configuration file. This page provides a reference for the properties you can override via a launch configuration file, as well as documenting the Nargo `dap` command, which is a dependency of the VS Code Noir debugger. + + +## Creating and editing launch configuration files + +To create a launch configuration file from VS Code, open the _debug pane_, and click on _create a launch.json file_. + +![Creating a launch configuration file](@site/static/img/debugger/ref1-create-launch.png) + +A `launch.json` file will be created, populated with basic defaults. + +### Noir Debugger launch.json properties + +#### projectFolder + +_String, optional._ + +Absolute path to the Nargo project to debug. By default, it is dynamically determined by looking for the nearest `Nargo.toml` file to the active file at the moment of launching the debugger. + +#### proverName + +_String, optional._ + +Name of the prover input to use. Defaults to `Prover`, which looks for a file named `Prover.toml` at the `projectFolder`. + +#### generateAcir + +_Boolean, optional._ + +If true, generate ACIR opcodes instead of unconstrained opcodes which will be closer to release binaries but less convenient for debugging. Defaults to `false`. + +#### skipInstrumentation + +_Boolean, optional._ + +Skips variables debugging instrumentation of code, making debugging less convenient but the resulting binary smaller and closer to production. Defaults to `false`. + +:::note +Skipping instrumentation causes the debugger to be unable to inspect local variables. +::: + +## `nargo dap [OPTIONS]` + +When run without any option flags, it starts the Nargo Debug Adapter Protocol server, which acts as the debugging backend for the VS Code Noir Debugger. + +All option flags are related to preflight checks. The Debug Adapter Protocol specifies how errors are to be informed from a running DAP server, but it doesn't specify mechanisms to communicate server initialization errors between the DAP server and its client IDE. + +Thus `nargo dap` ships with a _preflight check_ mode. If flag `--preflight-check` and the rest of the `--preflight-*` flags are provided, Nargo will run the same initialization routine except it will not start the DAP server. + +`vscode-noir` will then run `nargo dap` in preflight check mode first before a debugging session starts. If the preflight check ends in error, vscode-noir will present stderr and stdout output from this process through its own Output pane in VS Code. This makes it possible for users to diagnose what pieces of configuration might be wrong or missing in case of initialization errors. + +If the preflight check succeeds, `vscode-noir` proceeds to start the DAP server normally but running `nargo dap` without any additional flags. + +### Options + +| Option | Description | +| --------------------------------------------------------- | --------------------------------------------------------------------------------------------------------- | +| `--preflight-check` | If present, dap runs in preflight check mode. | +| `--preflight-project-folder ` | Absolute path to the project to debug for preflight check. | +| `--preflight-prover-name ` | Name of prover file to use for preflight check | +| `--preflight-generate-acir` | Optional. If present, compile in ACIR mode while running preflight check. | +| `--preflight-skip-instrumentation` | Optional. If present, compile without introducing debug instrumentation while running preflight check. | +| `-h, --help` | Print help. | diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/nargo_commands.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/nargo_commands.md new file mode 100644 index 00000000000..44fe8a2e62c --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/nargo_commands.md @@ -0,0 +1,301 @@ +--- +title: Nargo +description: + Noir CLI Commands for Noir Prover and Verifier to create, execute, prove and verify programs, + generate Solidity verifier smart contract and compile into JSON file containing ACIR + representation and ABI of circuit. +keywords: + [ + Nargo, + Noir CLI, + Noir Prover, + Noir Verifier, + generate Solidity verifier, + compile JSON file, + ACIR representation, + ABI of circuit, + TypeScript, + ] +sidebar_position: 0 +--- + +# Command-Line Help for `nargo` + +This document contains the help content for the `nargo` command-line program. + +**Command Overview:** + +* [`nargo`↴](#nargo) +* [`nargo check`↴](#nargo-check) +* [`nargo fmt`↴](#nargo-fmt) +* [`nargo compile`↴](#nargo-compile) +* [`nargo new`↴](#nargo-new) +* [`nargo init`↴](#nargo-init) +* [`nargo execute`↴](#nargo-execute) +* [`nargo debug`↴](#nargo-debug) +* [`nargo test`↴](#nargo-test) +* [`nargo info`↴](#nargo-info) +* [`nargo lsp`↴](#nargo-lsp) + +## `nargo` + +Noir's package manager + +**Usage:** `nargo ` + +###### **Subcommands:** + +* `check` — Checks the constraint system for errors +* `fmt` — Format the Noir files in a workspace +* `compile` — Compile the program and its secret execution trace into ACIR format +* `new` — Create a Noir project in a new directory +* `init` — Create a Noir project in the current directory +* `execute` — Executes a circuit to calculate its return value +* `debug` — Executes a circuit in debug mode +* `test` — Run the tests for this program +* `info` — Provides detailed information on each of a program's function (represented by a single circuit) +* `lsp` — Starts the Noir LSP server + +###### **Options:** + + + + +## `nargo check` + +Checks the constraint system for errors + +**Usage:** `nargo check [OPTIONS]` + +###### **Options:** + +* `--package ` — The name of the package to check +* `--workspace` — Check all packages in the workspace +* `--overwrite` — Force overwrite of existing files +* `--expression-width ` — Specify the backend expression width that should be targeted +* `--bounded-codegen` — Generate ACIR with the target backend expression width. The default is to generate ACIR without a bound and split expressions after code generation. Activating this flag can sometimes provide optimizations for certain programs + + Default value: `false` +* `--force` — Force a full recompilation +* `--print-acir` — Display the ACIR for compiled circuit +* `--deny-warnings` — Treat all warnings as errors +* `--silence-warnings` — Suppress warnings +* `--debug-comptime-in-file ` — Enable printing results of comptime evaluation: provide a path suffix for the module to debug, e.g. "package_name/src/main.nr" +* `--skip-underconstrained-check` — Flag to turn off the compiler check for under constrained values. Warning: This can improve compilation speed but can also lead to correctness errors. This check should always be run on production code + + + +## `nargo fmt` + +Format the Noir files in a workspace + +**Usage:** `nargo fmt [OPTIONS]` + +###### **Options:** + +* `--check` — Run noirfmt in check mode + + + +## `nargo compile` + +Compile the program and its secret execution trace into ACIR format + +**Usage:** `nargo compile [OPTIONS]` + +###### **Options:** + +* `--package ` — The name of the package to compile +* `--workspace` — Compile all packages in the workspace +* `--expression-width ` — Specify the backend expression width that should be targeted +* `--bounded-codegen` — Generate ACIR with the target backend expression width. The default is to generate ACIR without a bound and split expressions after code generation. Activating this flag can sometimes provide optimizations for certain programs + + Default value: `false` +* `--force` — Force a full recompilation +* `--print-acir` — Display the ACIR for compiled circuit +* `--deny-warnings` — Treat all warnings as errors +* `--silence-warnings` — Suppress warnings +* `--debug-comptime-in-file ` — Enable printing results of comptime evaluation: provide a path suffix for the module to debug, e.g. "package_name/src/main.nr" +* `--skip-underconstrained-check` — Flag to turn off the compiler check for under constrained values. Warning: This can improve compilation speed but can also lead to correctness errors. This check should always be run on production code + + + +## `nargo new` + +Create a Noir project in a new directory + +**Usage:** `nargo new [OPTIONS] ` + +###### **Arguments:** + +* `` — The path to save the new project + +###### **Options:** + +* `--name ` — Name of the package [default: package directory name] +* `--lib` — Use a library template +* `--bin` — Use a binary template [default] +* `--contract` — Use a contract template + + + +## `nargo init` + +Create a Noir project in the current directory + +**Usage:** `nargo init [OPTIONS]` + +###### **Options:** + +* `--name ` — Name of the package [default: current directory name] +* `--lib` — Use a library template +* `--bin` — Use a binary template [default] +* `--contract` — Use a contract template + + + +## `nargo execute` + +Executes a circuit to calculate its return value + +**Usage:** `nargo execute [OPTIONS] [WITNESS_NAME]` + +###### **Arguments:** + +* `` — Write the execution witness to named file + +Defaults to the name of the package being executed. + +###### **Options:** + +* `-p`, `--prover-name ` — The name of the toml file which contains the inputs for the prover + + Default value: `Prover` +* `--package ` — The name of the package to execute +* `--workspace` — Execute all packages in the workspace +* `--expression-width ` — Specify the backend expression width that should be targeted +* `--bounded-codegen` — Generate ACIR with the target backend expression width. The default is to generate ACIR without a bound and split expressions after code generation. Activating this flag can sometimes provide optimizations for certain programs + + Default value: `false` +* `--force` — Force a full recompilation +* `--print-acir` — Display the ACIR for compiled circuit +* `--deny-warnings` — Treat all warnings as errors +* `--silence-warnings` — Suppress warnings +* `--debug-comptime-in-file ` — Enable printing results of comptime evaluation: provide a path suffix for the module to debug, e.g. "package_name/src/main.nr" +* `--skip-underconstrained-check` — Flag to turn off the compiler check for under constrained values. Warning: This can improve compilation speed but can also lead to correctness errors. This check should always be run on production code +* `--oracle-resolver ` — JSON RPC url to solve oracle calls + + + +## `nargo debug` + +Executes a circuit in debug mode + +**Usage:** `nargo debug [OPTIONS] [WITNESS_NAME]` + +###### **Arguments:** + +* `` — Write the execution witness to named file + +###### **Options:** + +* `-p`, `--prover-name ` — The name of the toml file which contains the inputs for the prover + + Default value: `Prover` +* `--package ` — The name of the package to execute +* `--expression-width ` — Specify the backend expression width that should be targeted +* `--bounded-codegen` — Generate ACIR with the target backend expression width. The default is to generate ACIR without a bound and split expressions after code generation. Activating this flag can sometimes provide optimizations for certain programs + + Default value: `false` +* `--force` — Force a full recompilation +* `--print-acir` — Display the ACIR for compiled circuit +* `--deny-warnings` — Treat all warnings as errors +* `--silence-warnings` — Suppress warnings +* `--debug-comptime-in-file ` — Enable printing results of comptime evaluation: provide a path suffix for the module to debug, e.g. "package_name/src/main.nr" +* `--skip-underconstrained-check` — Flag to turn off the compiler check for under constrained values. Warning: This can improve compilation speed but can also lead to correctness errors. This check should always be run on production code +* `--acir-mode` — Force ACIR output (disabling instrumentation) +* `--skip-instrumentation ` — Disable vars debug instrumentation (enabled by default) + + Possible values: `true`, `false` + + + + +## `nargo test` + +Run the tests for this program + +**Usage:** `nargo test [OPTIONS] [TEST_NAME]` + +###### **Arguments:** + +* `` — If given, only tests with names containing this string will be run + +###### **Options:** + +* `--show-output` — Display output of `println` statements +* `--exact` — Only run tests that match exactly +* `--package ` — The name of the package to test +* `--workspace` — Test all packages in the workspace +* `--expression-width ` — Specify the backend expression width that should be targeted +* `--bounded-codegen` — Generate ACIR with the target backend expression width. The default is to generate ACIR without a bound and split expressions after code generation. Activating this flag can sometimes provide optimizations for certain programs + + Default value: `false` +* `--force` — Force a full recompilation +* `--print-acir` — Display the ACIR for compiled circuit +* `--deny-warnings` — Treat all warnings as errors +* `--silence-warnings` — Suppress warnings +* `--debug-comptime-in-file ` — Enable printing results of comptime evaluation: provide a path suffix for the module to debug, e.g. "package_name/src/main.nr" +* `--skip-underconstrained-check` — Flag to turn off the compiler check for under constrained values. Warning: This can improve compilation speed but can also lead to correctness errors. This check should always be run on production code +* `--oracle-resolver ` — JSON RPC url to solve oracle calls + + + +## `nargo info` + +Provides detailed information on each of a program's function (represented by a single circuit) + +Current information provided per circuit: 1. The number of ACIR opcodes 2. Counts the final number gates in the circuit used by a backend + +**Usage:** `nargo info [OPTIONS]` + +###### **Options:** + +* `--package ` — The name of the package to detail +* `--workspace` — Detail all packages in the workspace +* `--profile-execution` +* `-p`, `--prover-name ` — The name of the toml file which contains the inputs for the prover + + Default value: `Prover` +* `--expression-width ` — Specify the backend expression width that should be targeted +* `--bounded-codegen` — Generate ACIR with the target backend expression width. The default is to generate ACIR without a bound and split expressions after code generation. Activating this flag can sometimes provide optimizations for certain programs + + Default value: `false` +* `--force` — Force a full recompilation +* `--print-acir` — Display the ACIR for compiled circuit +* `--deny-warnings` — Treat all warnings as errors +* `--silence-warnings` — Suppress warnings +* `--debug-comptime-in-file ` — Enable printing results of comptime evaluation: provide a path suffix for the module to debug, e.g. "package_name/src/main.nr" +* `--skip-underconstrained-check` — Flag to turn off the compiler check for under constrained values. Warning: This can improve compilation speed but can also lead to correctness errors. This check should always be run on production code + + + +## `nargo lsp` + +Starts the Noir LSP server + +Starts an LSP server which allows IDEs such as VS Code to display diagnostics in Noir source. + +VS Code Noir Language Support: https://marketplace.visualstudio.com/items?itemName=noir-lang.vscode-noir + +**Usage:** `nargo lsp` + + + +
+ + + This document was generated automatically by + clap-markdown. + + diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/noir_codegen.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/noir_codegen.md new file mode 100644 index 00000000000..e4c362f9610 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/reference/noir_codegen.md @@ -0,0 +1,116 @@ +--- +title: Noir Codegen for TypeScript +description: Learn how to use Noir codegen to generate TypeScript bindings +keywords: [Nargo, Noir, compile, TypeScript] +sidebar_position: 3 +--- + +When using TypeScript, it is extra work to interpret Noir program outputs in a type-safe way. Third party libraries may exist for popular Noir programs, but they are either hard to find or unmaintained. + +Now you can generate TypeScript bindings for your Noir programs in two steps: + +1. Exporting Noir functions using `nargo export` +2. Using the TypeScript module `noir_codegen` to generate TypeScript binding + +**Note:** you can only export functions from a Noir *library* (not binary or contract program types). + +## Installation + +### Your TypeScript project + +If you don't already have a TypeScript project you can add the module with `yarn` (or `npm`), then initialize it: + +```bash +yarn add typescript -D +npx tsc --init +``` + +### Add TypeScript module - `noir_codegen` + +The following command will add the module to your project's devDependencies: + +```bash +yarn add @noir-lang/noir_codegen -D +``` + +### Nargo library + +Make sure you have Nargo, v0.25.0 or greater, installed. If you don't, follow the [installation guide](../getting_started/noir_installation.md). + +If you're in a new project, make a `circuits` folder and create a new Noir library: + +```bash +mkdir circuits && cd circuits +nargo new --lib myNoirLib +``` + +## Usage + +### Export ABI of specified functions + +First go to the `.nr` files in your Noir library, and add the `#[export]` macro to each function that you want to use in TypeScript. + +```rust +#[export] +fn your_function(... +``` + +From your Noir library (where `Nargo.toml` is), run the following command: + +```bash +nargo export +``` + +You will now have an `export` directory with a .json file per exported function. + +You can also specify the directory of Noir programs using `--program-dir`, for example: + +```bash +nargo export --program-dir=./circuits/myNoirLib +``` + +### Generate TypeScript bindings from exported functions + +To use the `noir-codegen` package we added to the TypeScript project: + +```bash +yarn noir-codegen ./export/your_function.json +``` + +This creates an `exports` directory with an `index.ts` file containing all exported functions. + +**Note:** adding `--out-dir` allows you to specify an output dir for your TypeScript bindings to go. Eg: + +```bash +yarn noir-codegen ./export/*.json --out-dir ./path/to/output/dir +``` + +## Example .nr function to .ts output + +Consider a Noir library with this function: + +```rust +#[export] +fn not_equal(x: Field, y: Field) -> bool { + x != y +} +``` + +After the export and codegen steps, you should have an `index.ts` like: + +```typescript +export type Field = string; + + +export const is_equal_circuit: CompiledCircuit = +{"abi":{"parameters":[{"name":"x","type":{"kind":"field"},"visibility":"private"},{"name":"y","type":{"kind":"field"},"visibility":"private"}],"return_type":{"abi_type":{"kind":"boolean"},"visibility":"private"}},"bytecode":"H4sIAAAAAAAA/7WUMQ7DIAxFQ0Krrr2JjSGYLVcpKrn/CaqqDQN12WK+hPBgmWd/wEyHbF1SS923uhOs3pfoChI+wKXMAXzIKyNj4PB0TFTYc0w5RUjoqeAeEu1wqK0F54RGkWvW44LPzExnlkbMEs4JNZmN8PxS42uHv82T8a3Jeyn2Ks+VLPcO558HmyLMCDOXAXXtpPt4R/Rt9T36ss6dS9HGPx/eG17nGegKBQAA"}; + +export async function is_equal(x: Field, y: Field, foreignCallHandler?: ForeignCallHandler): Promise { + const program = new Noir(is_equal_circuit); + const args: InputMap = { x, y }; + const { returnValue } = await program.execute(args, foreignCallHandler); + return returnValue as boolean; +} +``` + +Now the `is_equal()` function and relevant types are readily available for use in TypeScript. diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/tooling/debugger.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/tooling/debugger.md new file mode 100644 index 00000000000..200b5fc423a --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/tooling/debugger.md @@ -0,0 +1,26 @@ +--- +title: Debugger +description: Learn about the Noir Debugger, in its REPL or VS Code versions. +keywords: [Nargo, VSCode, Visual Studio Code, REPL, Debugger] +sidebar_position: 2 +--- + +# Noir Debugger + +There are currently two ways of debugging Noir programs: + +1. From VS Code, via the [vscode-noir](https://github.com/noir-lang/vscode-noir) extension. You can install it via the [Visual Studio Marketplace](https://marketplace.visualstudio.com/items?itemName=noir-lang.vscode-noir). +2. Via the REPL debugger, which ships with Nargo. + +In order to use either version of the debugger, you will need to install recent enough versions of Noir, [Nargo](../getting_started/noir_installation.md) and vscode-noir: + +- Noir & Nargo ≥0.28.0 +- Noir's VS Code extension ≥0.0.11 + +:::info +At the moment, the debugger supports debugging binary projects, but not contracts. +::: + +We cover the VS Code Noir debugger more in depth in [its VS Code debugger how-to guide](../how_to/debugger/debugging_with_vs_code.md) and [the reference](../reference/debugger/debugger_vscode.md). + +The REPL debugger is discussed at length in [the REPL debugger how-to guide](../how_to/debugger/debugging_with_the_repl.md) and [the reference](../reference/debugger/debugger_repl.md). diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/tooling/language_server.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/tooling/language_server.md new file mode 100644 index 00000000000..81e0356ef8a --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/tooling/language_server.md @@ -0,0 +1,43 @@ +--- +title: Language Server +description: Learn about the Noir Language Server, how to install the components, and configuration that may be required. +keywords: [Nargo, Language Server, LSP, VSCode, Visual Studio Code] +sidebar_position: 0 +--- + +This section helps you install and configure the Noir Language Server. + +The Language Server Protocol (LSP) has two components, the [Server](#language-server) and the [Client](#language-client). Below we describe each in the context of Noir. + +## Language Server + +The Server component is provided by the Nargo command line tool that you installed at the beginning of this guide. +As long as Nargo is installed and you've used it to run other commands in this guide, it should be good to go! + +If you'd like to verify that the `nargo lsp` command is available, you can run `nargo --help` and look for `lsp` in the list of commands. If you see it, you're using a version of Noir with LSP support. + +## Language Client + +The Client component is usually an editor plugin that launches the Server. It communicates LSP messages between the editor and the Server. For example, when you save a file, the Client will alert the Server, so it can try to compile the project and report any errors. + +Currently, Noir provides a Language Client for Visual Studio Code via the [vscode-noir](https://github.com/noir-lang/vscode-noir) extension. You can install it via the [Visual Studio Marketplace](https://marketplace.visualstudio.com/items?itemName=noir-lang.vscode-noir). + +> **Note:** Noir's Language Server Protocol support currently assumes users' VSCode workspace root to be the same as users' Noir project root (i.e. where Nargo.toml lies). +> +> If LSP features seem to be missing / malfunctioning, make sure you are opening your Noir project directly (instead of as a sub-folder) in your VSCode instance. + +When your language server is running correctly and the VSCode plugin is installed, you should see handy codelens buttons for compilation, measuring circuit size, execution, and tests: + +![Compile and Execute](@site/static/img/codelens_compile_execute.png) +![Run test](@site/static/img/codelens_run_test.png) + +You should also see your tests in the `testing` panel: + +![Testing panel](@site/static/img/codelens_testing_panel.png) + +### Configuration + +- **Noir: Enable LSP** - If checked, the extension will launch the Language Server via `nargo lsp` and communicate with it. +- **Noir: Nargo Flags** - Additional flags may be specified if you require them to be added when the extension calls `nargo lsp`. +- **Noir: Nargo Path** - An absolute path to a Nargo binary with the `lsp` command. This may be useful if Nargo is not within the `PATH` of your editor. +- **Noir > Trace: Server** - Setting this to `"messages"` or `"verbose"` will log LSP messages between the Client and Server. Useful for debugging. diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/tooling/testing.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/tooling/testing.md new file mode 100644 index 00000000000..866677da567 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/tooling/testing.md @@ -0,0 +1,79 @@ +--- +title: Testing in Noir +description: Learn how to use Nargo to test your Noir program in a quick and easy way +keywords: [Nargo, testing, Noir, compile, test] +sidebar_position: 1 +--- + +You can test your Noir programs using Noir circuits. + +Nargo will automatically compile and run any functions which have the decorator `#[test]` on them if +you run `nargo test`. + +For example if you have a program like: + +```rust +fn add(x: u64, y: u64) -> u64 { + x + y +} +#[test] +fn test_add() { + assert(add(2,2) == 4); + assert(add(0,1) == 1); + assert(add(1,0) == 1); +} +``` + +Running `nargo test` will test that the `test_add` function can be executed while satisfying all +the constraints which allows you to test that add returns the expected values. Test functions can't +have any arguments currently. + +### Test fail + +You can write tests that are expected to fail by using the decorator `#[test(should_fail)]`. For example: + +```rust +fn add(x: u64, y: u64) -> u64 { + x + y +} +#[test(should_fail)] +fn test_add() { + assert(add(2,2) == 5); +} +``` + +You can be more specific and make it fail with a specific reason by using `should_fail_with = ""`: + +```rust +fn main(african_swallow_avg_speed : Field) { + assert(african_swallow_avg_speed == 65, "What is the airspeed velocity of an unladen swallow"); +} + +#[test] +fn test_king_arthur() { + main(65); +} + +#[test(should_fail_with = "What is the airspeed velocity of an unladen swallow")] +fn test_bridgekeeper() { + main(32); +} +``` + +The string given to `should_fail_with` doesn't need to exactly match the failure reason, it just needs to be a substring of it: + +```rust +fn main(african_swallow_avg_speed : Field) { + assert(african_swallow_avg_speed == 65, "What is the airspeed velocity of an unladen swallow"); +} + +#[test] +fn test_king_arthur() { + main(65); +} + +#[test(should_fail_with = "airspeed velocity")] +fn test_bridgekeeper() { + main(32); +} +``` \ No newline at end of file diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.37.0/tutorials/noirjs_app.md b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/tutorials/noirjs_app.md new file mode 100644 index 00000000000..6e69ea0bbed --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.37.0/tutorials/noirjs_app.md @@ -0,0 +1,366 @@ +--- +title: Building a web app with NoirJS +description: Learn how to setup a new app that uses Noir to generate and verify zero-knowledge SNARK proofs in a typescript or javascript environment. +keywords: [how to, guide, javascript, typescript, noir, barretenberg, zero-knowledge, proofs, app] +sidebar_position: 0 +pagination_next: noir/concepts/data_types/index +--- + +NoirJS is a set of packages meant to work both in a browser and a server environment. In this tutorial, we will build a simple web app using them. From here, you should get an idea on how to proceed with your own Noir projects! + +You can find the complete app code for this guide [here](https://github.com/noir-lang/tiny-noirjs-app). + +## Setup + +:::note + +Feel free to use whatever versions, just keep in mind that Nargo and the NoirJS packages are meant to be in sync. For example, Nargo 0.31.x matches `noir_js@0.31.x`, etc. + +In this guide, we will be pinned to 0.31.0. + +::: + +Before we start, we want to make sure we have Node, Nargo and the Barretenberg proving system (`bb`) installed. + +We start by opening a terminal and executing `node --version`. If we don't get an output like `v20.10.0`, that means node is not installed. Let's do that by following the handy [nvm guide](https://github.com/nvm-sh/nvm?tab=readme-ov-file#install--update-script). + +As for `Nargo`, we can follow the [Nargo guide](../getting_started/quick_start.md) to install it. If you're lazy, just paste this on a terminal and run `noirup`: + +```sh +curl -L https://raw.githubusercontent.com/noir-lang/noirup/main/install | bash +``` + +Follow the instructions on [this page](https://github.com/AztecProtocol/aztec-packages/tree/master/barretenberg/cpp/src/barretenberg/bb#installation) to install `bb`. +Version 0.41.0 is compatible with `nargo` version 0.31.0, which you can install with `bbup -v 0.41.0` once `bbup` is installed. + +Easy enough. Onwards! + +## Our project + +ZK is a powerful technology. An app that doesn't reveal one of the inputs to _anyone_ is almost unbelievable, yet Noir makes it as easy as a single line of code. + +In fact, it's so simple that it comes nicely packaged in `nargo`. Let's do that! + +### Nargo + +Run: + +```bash +nargo new circuit +``` + +And... That's about it. Your program is ready to be compiled and run. + +To compile, let's `cd` into the `circuit` folder to enter our project, and call: + +```bash +nargo compile +``` + +This compiles our circuit into `json` format and add it to a new `target` folder. + +:::info + +At this point in the tutorial, your folder structure should look like this: + +```tree +. +└── circuit <---- our working directory + ├── Nargo.toml + ├── src + │ └── main.nr + └── target + └── circuit.json +``` + +::: + +### Node and Vite + +If you want to explore Nargo, feel free to go on a side-quest now and follow the steps in the +[getting started](../getting_started/quick_start.md) guide. However, we want our app to run on the browser, so we need Vite. + +Vite is a powerful tool to generate static websites. While it provides all kinds of features, let's just go barebones with some good old vanilla JS. + +To do this this, go back to the previous folder (`cd ..`) and create a new vite project by running `npm create vite` and choosing "Vanilla" and "Javascript". + +A wild `vite-project` directory should now appear in your root folder! Let's not waste any time and dive right in: + +```bash +cd vite-project +``` + +### Setting Up Vite and Configuring the Project + +Before we proceed with any coding, let's get our environment tailored for Noir. We'll start by laying down the foundations with a `vite.config.js` file. This little piece of configuration is our secret sauce for making sure everything meshes well with the NoirJS libraries and other special setups we might need, like handling WebAssembly modules. Here’s how you get that going: + +#### Creating the vite.config.js + +In your freshly minted `vite-project` folder, create a new file named `vite.config.js` and open it in your code editor. Paste the following to set the stage: + +```javascript +import { defineConfig } from 'vite'; +import copy from 'rollup-plugin-copy'; +import fs from 'fs'; +import path from 'path'; + +const wasmContentTypePlugin = { + name: 'wasm-content-type-plugin', + configureServer(server) { + server.middlewares.use(async (req, res, next) => { + if (req.url.endsWith('.wasm')) { + res.setHeader('Content-Type', 'application/wasm'); + const newPath = req.url.replace('deps', 'dist'); + const targetPath = path.join(__dirname, newPath); + const wasmContent = fs.readFileSync(targetPath); + return res.end(wasmContent); + } + next(); + }); + }, +}; + +export default defineConfig(({ command }) => { + if (command === 'serve') { + return { + build: { + target: 'esnext', + rollupOptions: { + external: ['@aztec/bb.js'] + } + }, + optimizeDeps: { + esbuildOptions: { + target: 'esnext' + } + }, + plugins: [ + copy({ + targets: [{ src: 'node_modules/**/*.wasm', dest: 'node_modules/.vite/dist' }], + copySync: true, + hook: 'buildStart', + }), + command === 'serve' ? wasmContentTypePlugin : [], + ], + }; + } + + return {}; +}); +``` + +#### Install Dependencies + +Now that our stage is set, install the necessary NoirJS packages along with our other dependencies: + +```bash +npm install && npm install @noir-lang/backend_barretenberg@0.31.0 @noir-lang/noir_js@0.31.0 +npm install rollup-plugin-copy --save-dev +``` + +:::info + +At this point in the tutorial, your folder structure should look like this: + +```tree +. +└── circuit + └── ...etc... +└── vite-project <---- our working directory + └── ...etc... +``` + +::: + +#### Some cleanup + +`npx create vite` is amazing but it creates a bunch of files we don't really need for our simple example. Actually, let's just delete everything except for `vite.config.js`, `index.html`, `main.js` and `package.json`. I feel lighter already. + +![my heart is ready for you, noir.js](@site/static/img/memes/titanic.jpeg) + +## HTML + +Our app won't run like this, of course. We need some working HTML, at least. Let's open our broken-hearted `index.html` and replace everything with this code snippet: + +```html + + + + + + +

Noir app

+
+ + +
+
+

Logs

+

Proof

+
+ + +``` + +It _could_ be a beautiful UI... Depending on which universe you live in. + +## Some good old vanilla Javascript + +Our love for Noir needs undivided attention, so let's just open `main.js` and delete everything (this is where the romantic scenery becomes a bit creepy). + +Start by pasting in this boilerplate code: + +```js +function display(container, msg) { + const c = document.getElementById(container); + const p = document.createElement('p'); + p.textContent = msg; + c.appendChild(p); +} + +document.getElementById('submitGuess').addEventListener('click', async () => { + try { + // here's where love happens + } catch (err) { + display('logs', 'Oh 💔 Wrong guess'); + } +}); +``` + +The display function doesn't do much. We're simply manipulating our website to see stuff happening. For example, if the proof fails, it will simply log a broken heart 😢 + +:::info + +At this point in the tutorial, your folder structure should look like this: + +```tree +. +└── circuit + └── ...same as above +└── vite-project + ├── vite.config.js + ├── main.js + ├── package.json + └── index.html +``` + +You'll see other files and folders showing up (like `package-lock.json`, `node_modules`) but you shouldn't have to care about those. + +::: + +## Some NoirJS + +We're starting with the good stuff now. If you've compiled the circuit as described above, you should have a `json` file we want to import at the very top of our `main.js` file: + +```ts +import circuit from '../circuit/target/circuit.json'; +``` + +[Noir is backend-agnostic](../index.mdx#whats-new-about-noir). We write Noir, but we also need a proving backend. That's why we need to import and instantiate the two dependencies we installed above: `BarretenbergBackend` and `Noir`. Let's import them right below: + +```js +import { BarretenbergBackend, BarretenbergVerifier as Verifier } from '@noir-lang/backend_barretenberg'; +import { Noir } from '@noir-lang/noir_js'; +``` + +And instantiate them inside our try-catch block: + +```ts +// try { +const backend = new BarretenbergBackend(circuit); +const noir = new Noir(circuit); +// } +``` + +:::note + +For the remainder of the tutorial, everything will be happening inside the `try` block + +::: + +## Our app + +Now for the app itself. We're capturing whatever is in the input when people press the submit button. Just add this: + +```js +const x = parseInt(document.getElementById('guessInput').value); +const input = { x, y: 2 }; +``` + +Now we're ready to prove stuff! Let's feed some inputs to our circuit and calculate the proof: + +```js +await setup(); // let's squeeze our wasm inits here + +display('logs', 'Generating proof... ⌛'); +const { witness } = await noir.execute(input); +const proof = await backend.generateProof(witness); +display('logs', 'Generating proof... ✅'); +display('results', proof.proof); +``` + +You're probably eager to see stuff happening, so go and run your app now! + +From your terminal, run `npm run dev`. If it doesn't open a browser for you, just visit `localhost:5173`. You should now see the worst UI ever, with an ugly input. + +![Getting Started 0](@site/static/img/noir_getting_started_1.png) + +Now, our circuit says `fn main(x: Field, y: pub Field)`. This means only the `y` value is public, and it's hardcoded above: `input = { x, y: 2 }`. In other words, you won't need to send your secret`x` to the verifier! + +By inputting any number other than 2 in the input box and clicking "submit", you should get a valid proof. Otherwise the proof won't even generate correctly. By the way, if you're human, you shouldn't be able to understand anything on the "proof" box. That's OK. We like you, human ❤️. + +## Verifying + +Time to celebrate, yes! But we shouldn't trust machines so blindly. Let's add these lines to see our proof being verified: + +```js +display('logs', 'Verifying proof... ⌛'); +const isValid = await backend.verifyProof(proof); + +// or to cache and use the verification key: +// const verificationKey = await backend.getVerificationKey(); +// const verifier = new Verifier(); +// const isValid = await verifier.verifyProof(proof, verificationKey); + +if (isValid) display('logs', 'Verifying proof... ✅'); +``` + +You have successfully generated a client-side Noir web app! + +![coded app without math knowledge](@site/static/img/memes/flextape.jpeg) + +## Further Reading + +You can see how noirjs is used in a full stack Next.js hardhat application in the [noir-starter repo here](https://github.com/noir-lang/noir-starter/tree/main/vite-hardhat). The example shows how to calculate a proof in the browser and verify it with a deployed Solidity verifier contract from noirjs. + +You should also check out the more advanced examples in the [noir-examples repo](https://github.com/noir-lang/noir-examples), where you'll find reference usage for some cool apps. + +## UltraHonk Backend + +Barretenberg has recently exposed a new UltraHonk backend. We can use UltraHonk in NoirJS after version 0.33.0. Everything will be the same as the tutorial above, except that the class we need to import will change: + +```js +import { UltraHonkBackend, UltraHonkVerifier as Verifier } from '@noir-lang/backend_barretenberg'; +``` + +The backend will then be instantiated as such: + +```js +const backend = new UltraHonkBackend(circuit); +``` + +Then all the commands to prove and verify your circuit will be same. + +The only feature currently unsupported with UltraHonk are [recursive proofs](../explainers/explainer-recursion.md). diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/explainers/cspell.json b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/explainers/cspell.json new file mode 100644 index 00000000000..c60b0a597b1 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/explainers/cspell.json @@ -0,0 +1,5 @@ +{ + "words": [ + "Cryptdoku" + ] +} diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/explainers/explainer-oracle.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/explainers/explainer-oracle.md new file mode 100644 index 00000000000..821e1f95c04 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/explainers/explainer-oracle.md @@ -0,0 +1,57 @@ +--- +title: Oracles +description: This guide provides an in-depth understanding of how Oracles work in Noir programming. Learn how to use outside calculations in your programs, constrain oracles, and understand their uses and limitations. +keywords: + - Noir Programming + - Oracles + - JSON-RPC + - Foreign Call Handlers + - Constrained Functions + - Blockchain Programming +sidebar_position: 1 +--- + +If you've seen "The Matrix" you may recall "The Oracle" as Gloria Foster smoking cigarettes and baking cookies. While she appears to "know things", she is actually providing a calculation of a pre-determined future. Noir Oracles are similar, in a way. They don't calculate the future (yet), but they allow you to use outside calculations in your programs. + +![matrix oracle prediction](@site/static/img/memes/matrix_oracle.jpeg) + +A Noir program is usually self-contained. You can pass certain inputs to it, and it will generate a deterministic output for those inputs. But what if you wanted to defer some calculation to an outside process or source? + +Oracles are functions that provide this feature. + +## Use cases + +An example usage for Oracles is proving something on-chain. For example, proving that the ETH-USDC quote was below a certain target at a certain block time. Or even making more complex proofs like proving the ownership of an NFT as an anonymous login method. + +Another interesting use case is to defer expensive calculations to be made outside of the Noir program, and then constraining the result; similar to the use of [unconstrained functions](../noir/concepts//unconstrained.md). + +In short, anything that can be constrained in a Noir program but needs to be fetched from an external source is a great candidate to be used in oracles. + +## Constraining oracles + +Just like in The Matrix, Oracles are powerful. But with great power, comes great responsibility. Just because you're using them in a Noir program doesn't mean they're true. Noir has no superpowers. If you want to prove that Portugal won the Euro Cup 2016, you're still relying on potentially untrusted information. + +To give a concrete example, Alice wants to login to the [NounsDAO](https://nouns.wtf/) forum with her username "noir_nouner" by proving she owns a noun without revealing her ethereum address. Her Noir program could have an oracle call like this: + +```rust +#[oracle(getNoun)] +unconstrained fn get_noun(address: Field) -> Field +``` + +This oracle could naively resolve with the number of Nouns she possesses. However, it is useless as a trusted source, as the oracle could resolve to anything Alice wants. In order to make this oracle call actually useful, Alice would need to constrain the response from the oracle, by proving her address and the noun count belongs to the state tree of the contract. + +In short, **Oracles don't prove anything. Your Noir program does.** + +:::danger + +If you don't constrain the return of your oracle, you could be clearly opening an attack vector on your Noir program. Make double-triple sure that the return of an oracle call is constrained! + +::: + +## How to use Oracles + +On CLI, Nargo resolves oracles by making JSON RPC calls, which means it would require an RPC node to be running. + +In JavaScript, NoirJS accepts and resolves arbitrary call handlers (that is, not limited to JSON) as long as they match the expected types the developer defines. Refer to [Foreign Call Handler](../reference/NoirJS/noir_js/type-aliases/ForeignCallHandler.md) to learn more about NoirJS's call handling. + +If you want to build using oracles, follow through to the [oracle guide](../how_to/how-to-oracles.md) for a simple example on how to do that. diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/explainers/explainer-recursion.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/explainers/explainer-recursion.md new file mode 100644 index 00000000000..df8529ef4e0 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/explainers/explainer-recursion.md @@ -0,0 +1,176 @@ +--- +title: Recursive proofs +description: Explore the concept of recursive proofs in Zero-Knowledge programming. Understand how recursion works in Noir, a language for writing smart contracts on the EVM blockchain. Learn through practical examples like Alice and Bob's guessing game, Charlie's recursive merkle tree, and Daniel's reusable components. Discover how to use recursive proofs to optimize computational resources and improve efficiency. + +keywords: + [ + "Recursive Proofs", + "Zero-Knowledge Programming", + "Noir", + "EVM Blockchain", + "Smart Contracts", + "Recursion in Noir", + "Alice and Bob Guessing Game", + "Recursive Merkle Tree", + "Reusable Components", + "Optimizing Computational Resources", + "Improving Efficiency", + "Verification Key", + "Aggregation", + "Recursive zkSNARK schemes", + "PLONK", + "Proving and Verification Keys" + ] +sidebar_position: 1 +pagination_next: how_to/how-to-recursion +--- + +In programming, we tend to think of recursion as something calling itself. A classic example would be the calculation of the factorial of a number: + +```js +function factorial(n) { + if (n === 0 || n === 1) { + return 1; + } else { + return n * factorial(n - 1); + } +} +``` + +In this case, while `n` is not `1`, this function will keep calling itself until it hits the base case, bubbling up the result on the call stack: + +```md + Is `n` 1? <--------- + /\ / + / \ n = n -1 + / \ / + Yes No -------- +``` + +In Zero-Knowledge, recursion has some similarities. + +It is not a Noir function calling itself, but a proof being used as an input to another circuit. In short, you verify one proof *inside* another proof, returning the proof that both proofs are valid. + +This means that, given enough computational resources, you can prove the correctness of any arbitrary number of proofs in a single proof. This could be useful to design state channels (for which a common example would be [Bitcoin's Lightning Network](https://en.wikipedia.org/wiki/Lightning_Network)), to save on gas costs by settling one proof on-chain, or simply to make business logic less dependent on a consensus mechanism. + +## Examples + +Let us look at some of these examples + +### Alice and Bob - Guessing game + +Alice and Bob are friends, and they like guessing games. They want to play a guessing game online, but for that, they need a trusted third-party that knows both of their secrets and finishes the game once someone wins. + +So, they use zero-knowledge proofs. Alice tries to guess Bob's number, and Bob will generate a ZK proof stating whether she succeeded or failed. + +This ZK proof can go on a smart contract, revealing the winner and even giving prizes. However, this means every turn needs to be verified on-chain. This incurs some cost and waiting time that may simply make the game too expensive or time-consuming to be worth it. + +As a solution, Alice proposes the following: "what if Bob generates his proof, and instead of sending it on-chain, I verify it *within* my own proof before playing my own turn?". + +She can then generate a proof that she verified his proof, and so on. + +```md + Did you fail? <-------------------------- + / \ / + / \ n = n -1 + / \ / + Yes No / + | | / + | | / + | You win / + | / + | / +Generate proof of that / + + / + my own guess ---------------- +``` + +### Charlie - Recursive merkle tree + +Charlie is a concerned citizen, and wants to be sure his vote in an election is accounted for. He votes with a ZK proof, but he has no way of knowing that his ZK proof was included in the total vote count! + +If the vote collector puts all of the votes into a [Merkle tree](https://en.wikipedia.org/wiki/Merkle_tree), everyone can prove the verification of two proofs within one proof, as such: + +```md + abcd + __________|______________ + | | + ab cd + _____|_____ ______|______ + | | | | + alice bob charlie daniel +``` + +Doing this recursively allows us to arrive on a final proof `abcd` which if true, verifies the correctness of all the votes. + +### Daniel - Reusable components + +Daniel has a big circuit and a big headache. A part of his circuit is a setup phase that finishes with some assertions that need to be made. But that section alone takes most of the proving time, and is largely independent of the rest of the circuit. + +He might find it more efficient to generate a proof for that setup phase separately, and verify that proof recursively in the actual business logic section of his circuit. This will allow for parallelization of both proofs, which results in a considerable speedup. + +## What params do I need + +As you can see in the [recursion reference](noir/standard_library/recursion.mdx), a simple recursive proof requires: + +- The proof to verify +- The Verification Key of the circuit that generated the proof +- A hash of this verification key, as it's needed for some backends +- The public inputs for the proof + +:::info + +Recursive zkSNARK schemes do not necessarily "verify a proof" in the sense that you expect a true or false to be spit out by the verifier. Rather an aggregation object is built over the public inputs. + +So, taking the example of Alice and Bob and their guessing game: + +- Alice makes her guess. Her proof is *not* recursive: it doesn't verify any proof within it! It's just a standard `assert(x != y)` circuit +- Bob verifies Alice's proof and makes his own guess. In this circuit, he doesn't exactly *prove* the verification of Alice's proof. Instead, he *aggregates* his proof to Alice's proof. The actual verification is done when the full proof is verified, for example when using `nargo verify` or through the verifier smart contract. + +We can imagine recursive proofs a [relay race](https://en.wikipedia.org/wiki/Relay_race). The first runner doesn't have to receive the baton from anyone else, as he/she already starts with it. But when his/her turn is over, the next runner needs to receive it, run a bit more, and pass it along. Even though every runner could theoretically verify the baton mid-run (why not? 🏃🔍), only at the end of the race does the referee verify that the whole race is valid. + +::: + +## Some architecture + +As with everything in computer science, there's no one-size-fits all. But there are some patterns that could help understanding and implementing them. To give three examples: + +### Adding some logic to a proof verification + +This would be an approach for something like our guessing game, where proofs are sent back and forth and are verified by each opponent. This circuit would be divided in two sections: + +- A `recursive verification` section, which would be just the call to `std::verify_proof`, and that would be skipped on the first move (since there's no proof to verify) +- A `guessing` section, which is basically the logic part where the actual guessing happens + +In such a situation, and assuming Alice is first, she would skip the first part and try to guess Bob's number. Bob would then verify her proof on the first section of his run, and try to guess Alice's number on the second part, and so on. + +### Aggregating proofs + +In some one-way interaction situations, recursion would allow for aggregation of simple proofs that don't need to be immediately verified on-chain or elsewhere. + +To give a practical example, a barman wouldn't need to verify a "proof-of-age" on-chain every time he serves alcohol to a customer. Instead, the architecture would comprise two circuits: + +- A `main`, non-recursive circuit with some logic +- A `recursive` circuit meant to verify two proofs in one proof + +The customer's proofs would be intermediate, and made on their phones, and the barman could just verify them locally. He would then aggregate them into a final proof sent on-chain (or elsewhere) at the end of the day. + +### Recursively verifying different circuits + +Nothing prevents you from verifying different circuits in a recursive proof, for example: + +- A `circuit1` circuit +- A `circuit2` circuit +- A `recursive` circuit + +In this example, a regulator could verify that taxes were paid for a specific purchase by aggregating both a `payer` circuit (proving that a purchase was made and taxes were paid), and a `receipt` circuit (proving that the payment was received) + +## How fast is it + +At the time of writing, verifying recursive proofs is surprisingly fast. This is because most of the time is spent on generating the verification key that will be used to generate the next proof. So you are able to cache the verification key and reuse it later. + +Currently, Noir JS packages don't expose the functionality of loading proving and verification keys, but that feature exists in the underlying `bb.js` package. + +## How can I try it + +Learn more about using recursion in Nargo and NoirJS in the [how-to guide](../how_to/how-to-recursion.md) and see a full example in [noir-examples](https://github.com/noir-lang/noir-examples). diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/explainers/explainer-writing-noir.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/explainers/explainer-writing-noir.md new file mode 100644 index 00000000000..3ce4245dc45 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/explainers/explainer-writing-noir.md @@ -0,0 +1,177 @@ +--- +title: Thinking in Circuits +description: Considerations when writing Noir programs +keywords: [Noir, programming, rust] +tags: [Optimization] +sidebar_position: 0 +--- + + +This article intends to set you up with key concepts essential for writing more viable applications that use zero knowledge proofs, namely around efficient circuits. + +## Context - 'Efficient' is subjective + +When writing a web application for a performant computer with high-speed internet connection, writing efficient code sometimes is seen as an afterthought only if needed. Large multiplications running at the innermost of nested loops may not even be on a dev's radar. +When writing firmware for a battery-powered microcontroller, you think of cpu cycles as rations to keep within a product's power budget. + +> Code is written to create applications that perform specific tasks within specific constraints + +And these constraints differ depending on where the compiled code is execute. + +### The Ethereum Virtual Machine (EVM) + +In scenarios where extremely low gas costs are required for an Ethereum application to be viable/competitive, Ethereum smart contract developers get into what is colloquially known as: "*gas golfing*". Finding the lowest execution cost of their compiled code (EVM bytecode) to achieve a specific task. + +The equivalent optimization task when writing zk circuits is affectionately referred to as "*gate golfing*", finding the lowest gate representation of the compiled Noir code. + +### Coding for circuits - a paradigm shift + +In zero knowledge cryptography, code is compiled to "circuits" consisting of arithmetic gates, and gate count is the significant cost. Depending on the proving system this is linearly proportionate to proving time, and so from a product point this should be kept as low as possible. + +Whilst writing efficient code for web apps and Solidity has a few key differences, writing efficient circuits have a different set of considerations. It is a bit of a paradigm shift, like writing code for GPUs for the first time... + +For example, drawing a circle at (0, 0) of radius `r`: +- For a single CPU thread, +``` +for theta in 0..2*pi { + let x = r * cos(theta); + let y = r * sin(theta); + draw(x, y); +} // note: would do 0 - pi/2 and draw +ve/-ve x and y. +``` + +- For GPUs (simultaneous parallel calls with x, y across image), +``` +if (x^2 + y^2 = r^2) { + draw(x, y); +} +``` + +([Related](https://www.youtube.com/watch?v=-P28LKWTzrI)) + +Whilst this CPU -> GPU does not translate to circuits exactly, it is intended to exemplify the difference in intuition when coding for different machine capabilities/constraints. + +### Context Takeaway + +For those coming from a primarily web app background, this article will explain what you need to consider when writing circuits. Furthermore, for those experienced writing efficient machine code, prepare to shift what you think is efficient 😬 + +## Translating from Rust + +For some applications using Noir, existing code might be a convenient starting point to then proceed to optimize the gate count of. + +:::note +Many valuable functions and algorithms have been written in more established languages (C/C++), and converted to modern ones (like Rust). +::: + +Fortunately for Noir developers, when needing a particular function a Rust implementation can be readily compiled into Noir with some key changes. While the compiler does a decent amount of optimizations, it won't be able to change code that has been optimized for clock-cycles into code optimized for arithmetic gates. + +A few things to do when converting Rust code to Noir: +- `println!` is not a macro, use `println` function (same for `assert_eq`) +- No early `return` in function. Use constrain via assertion instead +- No passing by reference. Remove `&` operator to pass by value (copy) +- No boolean operators (`&&`, `||`). Use bitwise operators (`&`, `|`) with boolean values +- No type `usize`. Use types `u8`, `u32`, `u64`, ... +- `main` return must be public, `pub` +- No `const`, use `global` +- Noir's LSP is your friend, so error message should be informative enough to resolve syntax issues. + +## Writing efficient Noir for performant products + +The following points help refine our understanding over time. + +:::note +A Noir program makes a statement that can be verified. +::: + +It compiles to a structure that represents the calculation, and can assert results within the calculation at any stage (via the `constrain` keyword). + +A Noir program compiles to an Abstract Circuit Intermediate Representation which is: + - Conceptually a tree structure + - Leaves (inputs) are the `Field` type + - Nodes contain arithmetic operations to combine them (gates) + - The root is the final result (return value) + +:::tip +The command `nargo info` shows the programs circuit size, and is useful to compare the value of changes made. +You can dig deeper and use the `--print-acir` param to take a closer look at individual ACIR opcodes, and the proving backend to see its gate count (eg for barretenberg, `bb gates -b ./target/program.json`). +::: + +### Use the `Field` type + +Since the native type of values in circuits are `Field`s, using them for variables in Noir means less gates converting them under the hood. +Some things to be mindful of when using a Field type for a regular integer value: +- A variable of type `Field` can be cast `as` an integer type (eg `u8`, `u64`) + - Note: this retains only the bits of the integer type. Eg a Field value of 260 as a `u8` becomes 4 +- For Field types arithmetic operations meaningfully overflow/underflow, yet for integer types they are checked according to their size +- Comparisons and bitwise operations do not exist for `Field`s, cast to an appropriately sized integer type when you need to + +:::tip +Where possible, use `Field` type for values. Using smaller value types, and bit-packing strategies, will result in MORE gates +::: + + +### Use Arithmetic over non-arithmetic operations + +Since circuits are made of arithmetic gates, the cost of arithmetic operations tends to be one gate. Whereas for procedural code, they represent several clock cycles. + +Inversely, non-arithmetic operators are achieved with multiple gates, vs 1 clock cycle for procedural code. + +| (cost\op) | arithmetic
(`*`, `+`) | bit-wise ops
(eg `<`, `\|`, `>>`) | +| - | - | - | +| **cycles** | 10+ | 1 | +| **gates** | 1 | 10+ | + +Bit-wise operations (e.g. bit shifts `<<` and `>>`), albeit commonly used in general programming and especially for clock cycle optimizations, are on the contrary expensive in gates when performed within circuits. + +Translate away from bit shifts when writing constrained functions for the best performance. + +On the flip side, feel free to use bit shifts in unconstrained functions and tests if necessary, as they are executed outside of circuits and does not induce performance hits. + +### Use static over dynamic values + +Another general theme that manifests in different ways is that static reads are represented with less gates than dynamic ones. + +Reading from read-only memory (ROM) adds less gates than random-access memory (RAM), 2 vs ~3.25 due to the additional bounds checks. Arrays of fixed length (albeit used at a lower capacity), will generate less gates than dynamic storage. + +Related to this, if an index used to access an array is not known at compile time (ie unknown until run time), then ROM will be converted to RAM, expanding the gate count. + +:::tip +Use arrays and indices that are known at compile time where possible. +Using `assert_constant(i);` before an index, `i`, is used in an array will give a compile error if `i` is NOT known at compile time. +::: + +### Leverage unconstrained execution + +Constrained verification can leverage unconstrained execution, this is especially useful for operations that are represented by many gates. +Use an [unconstrained function](../noir/concepts/unconstrained.md) to perform gate-heavy calculations, then verify and constrain the result. + +Eg division generates more gates than multiplication, so calculating the quotient in an unconstrained function then constraining the product for the quotient and divisor (+ any remainder) equals the dividend will be more efficient. + +Use ` if is_unconstrained() { /`, to conditionally execute code if being called in an unconstrained vs constrained way. + +## Advanced + +Unless you're well into the depth of gate optimization, this advanced section can be ignored. + +### Combine arithmetic operations + +A Noir program can be honed further by combining arithmetic operators in a way that makes the most of each constraint of the backend proving system. This is in scenarios where the backend might not be doing this perfectly. + +Eg Barretenberg backend (current default for Noir) is a width-4 PLONKish constraint system +$ w_1*w_2*q_m + w_1*q_1 + w_2*q_2 + w_3*q_3 + w_4*q_4 + q_c = 0 $ + +Here we see there is one occurrence of witness 1 and 2 ($w_1$, $w_2$) being multiplied together, with addition to witnesses 1-4 ($w_1$ .. $w_4$) multiplied by 4 corresponding circuit constants ($q_1$ .. $q_4$) (plus a final circuit constant, $q_c$). + +Use `nargo info --print-acir`, to inspect the ACIR opcodes (and the proving system for gates), and it may present opportunities to amend the order of operations and reduce the number of constraints. + +#### Variable as witness vs expression + +If you've come this far and really know what you're doing at the equation level, a temporary lever (that will become unnecessary/useless over time) is: `std::as_witness`. This informs the compiler to save a variable as a witness not an expression. + +The compiler will mostly be correct and optimal, but this may help some near term edge cases that are yet to optimize. +Note: When used incorrectly it will create **less** efficient circuits (higher gate count). + +## References +- Guillaume's ["`Cryptdoku`" talk](https://www.youtube.com/watch?v=MrQyzuogxgg) (Jun'23) +- Tips from Tom, Jake and Zac. +- [Idiomatic Noir](https://www.vlayer.xyz/blog/idiomatic-noir-part-1-collections) blog post diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/getting_started/noir_installation.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/getting_started/noir_installation.md new file mode 100644 index 00000000000..a5c7e649278 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/getting_started/noir_installation.md @@ -0,0 +1,106 @@ +--- +title: Standalone Noir Installation +description: There are different ways to install Nargo, the one-stop shop and command-line tool for developing Noir programs. This guide explains how to specify which version to install when using noirup, and using WSL for windows. +keywords: [ + Installation + Nargo + Noirup + Binaries + Compiling from Source + WSL for Windows + macOS + Linux + Nix + Direnv + Uninstalling Nargo + ] +sidebar_position: 2 +--- + +Noirup is the endorsed method for installing Nargo, streamlining the process of fetching binaries or compiling from source. It supports a range of options to cater to your specific needs, from nightly builds and specific versions to compiling from various sources. + +### Installing Noirup + +First, ensure you have `noirup` installed: + +```sh +curl -L https://raw.githubusercontent.com/noir-lang/noirup/main/install | bash +``` + +### Fetching Binaries + +With `noirup`, you can easily switch between different Nargo versions, including nightly builds: + +- **Nightly Version**: Install the latest nightly build. + + ```sh + noirup --version nightly + ``` + +- **Specific Version**: Install a specific version of Nargo. + + ```sh + noirup --version + ``` + +### Compiling from Source + +`noirup` also enables compiling Nargo from various sources: + +- **From a Specific Branch**: Install from the latest commit on a branch. + + ```sh + noirup --branch + ``` + +- **From a Fork**: Install from the main branch of a fork. + + ```sh + noirup --repo + ``` + +- **From a Specific Branch in a Fork**: Install from a specific branch in a fork. + + ```sh + noirup --repo --branch + ``` + +- **From a Specific Pull Request**: Install from a specific PR. + + ```sh + noirup --pr + ``` + +- **From a Specific Commit**: Install from a specific commit. + + ```sh + noirup -C + ``` + +- **From Local Source**: Compile and install from a local directory. + + ```sh + noirup --path ./path/to/local/source + ``` + +## Installation on Windows + +The default backend for Noir (Barretenberg) doesn't provide Windows binaries at this time. For that reason, Noir cannot be installed natively. However, it is available by using Windows Subsystem for Linux (WSL). + +Step 1: Follow the instructions [here](https://learn.microsoft.com/en-us/windows/wsl/install) to install and run WSL. + +step 2: Follow the [Noirup instructions](#installing-noirup). + +## Setting up shell completions + +Once `nargo` is installed, you can [set up shell completions for it](setting_up_shell_completions). + +## Uninstalling Nargo + +If you installed Nargo with `noirup`, you can uninstall Nargo by removing the files in `~/.nargo`, `~/nargo`, and `~/noir_cache`. This ensures that all installed binaries, configurations, and cache related to Nargo are fully removed from your system. + +```bash +rm -r ~/.nargo +rm -r ~/nargo +rm -r ~/noir_cache +``` diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/getting_started/project_breakdown.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/getting_started/project_breakdown.md new file mode 100644 index 00000000000..e442e377040 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/getting_started/project_breakdown.md @@ -0,0 +1,159 @@ +--- +title: Project Breakdown +description: + Learn about the anatomy of a Nargo project, including the purpose of the Prover TOML + file, and how to prove and verify your program. +keywords: + [Nargo, Nargo project, Prover.toml, proof verification, private asset transfer] +sidebar_position: 1 +--- + +This section breaks down our hello world program from the previous section. + +## Anatomy of a Nargo Project + +Upon creating a new project with `nargo new` and building the in/output files with `nargo check` +commands, you would get a minimal Nargo project of the following structure: + + - src + - Prover.toml + - Nargo.toml + +The source directory _src_ holds the source code for your Noir program. By default only a _main.nr_ +file will be generated within it. + +### Prover.toml + +_Prover.toml_ is used for specifying the input values for executing and proving the program. You can specify `toml` files with different names by using the `--prover-name` or `-p` flags, see the [Prover](#provertoml) section below. Optionally you may specify expected output values for prove-time checking as well. + +### Nargo.toml + +_Nargo.toml_ contains the environmental options of your project. It contains a "package" section and a "dependencies" section. + +Example Nargo.toml: + +```toml +[package] +name = "noir_starter" +type = "bin" +authors = ["Alice"] +compiler_version = "0.9.0" +description = "Getting started with Noir" +entry = "circuit/main.nr" +license = "MIT" + +[dependencies] +ecrecover = {tag = "v0.9.0", git = "https://github.com/colinnielsen/ecrecover-noir.git"} +``` + +Nargo.toml for a [workspace](../noir/modules_packages_crates/workspaces.md) will look a bit different. For example: + +```toml +[workspace] +members = ["crates/a", "crates/b"] +default-member = "crates/a" +``` + +#### Package section + +The package section defines a number of fields including: + +- `name` (**required**) - the name of the package +- `type` (**required**) - can be "bin", "lib", or "contract" to specify whether its a binary, library or Aztec contract +- `authors` (optional) - authors of the project +- `compiler_version` - specifies the version of the compiler to use. This is enforced by the compiler and follow's [Rust's versioning](https://doc.rust-lang.org/cargo/reference/manifest.html#the-version-field), so a `compiler_version = 0.18.0` will enforce Nargo version 0.18.0, `compiler_version = ^0.18.0` will enforce anything above 0.18.0 but below 0.19.0, etc. For more information, see how [Rust handles these operators](https://docs.rs/semver/latest/semver/enum.Op.html) +- `description` (optional) +- `entry` (optional) - a relative filepath to use as the entry point into your package (overrides the default of `src/lib.nr` or `src/main.nr`) +- `backend` (optional) +- `license` (optional) +- `expression_width` (optional) - Sets the default backend expression width. This field will override the default backend expression width specified by the Noir compiler (currently set to width 4). + +#### Dependencies section + +This is where you will specify any dependencies for your project. See the [Dependencies page](../noir/modules_packages_crates/dependencies.md) for more info. + +`./proofs/` and `./contract/` directories will not be immediately visible until you create a proof or +verifier contract respectively. + +### main.nr + +The _main.nr_ file contains a `main` method, this method is the entry point into your Noir program. + +In our sample program, _main.nr_ looks like this: + +```rust +fn main(x : Field, y : Field) { + assert(x != y); +} +``` + +The parameters `x` and `y` can be seen as the API for the program and must be supplied by the prover. Since neither `x` nor `y` is marked as public, the verifier does not supply any inputs, when verifying the proof. + +The prover supplies the values for `x` and `y` in the _Prover.toml_ file. + +As for the program body, `assert` ensures that the condition to be satisfied (e.g. `x != y`) is constrained by the proof of the execution of said program (i.e. if the condition was not met, the verifier would reject the proof as an invalid proof). + +### Prover.toml + +The _Prover.toml_ file is a file which the prover uses to supply the inputs to the Noir program (both private and public). + +In our hello world program the _Prover.toml_ file looks like this: + +```toml +x = "1" +y = "2" +``` + +When the command `nargo execute` is executed, nargo will execute the Noir program using the inputs specified in `Prover.toml`, aborting if it finds that these do not satisfy the constraints defined by `main`. In this example, `x` and `y` must satisfy the inequality constraint `assert(x != y)`. + +If an output name is specified such as `nargo execute foo`, the witness generated by this execution will be written to `./target/foo.gz`. This can then be used to generate a proof of the execution. + +#### Arrays of Structs + +The following code shows how to pass an array of structs to a Noir program to generate a proof. + +```rust +// main.nr +struct Foo { + bar: Field, + baz: Field, +} + +fn main(foos: [Foo; 3]) -> pub Field { + foos[2].bar + foos[2].baz +} +``` + +Prover.toml: + +```toml +[[foos]] # foos[0] +bar = 0 +baz = 0 + +[[foos]] # foos[1] +bar = 0 +baz = 0 + +[[foos]] # foos[2] +bar = 1 +baz = 2 +``` + +#### Custom toml files + +You can specify a `toml` file with a different name to use for execution by using the `--prover-name` or `-p` flags. + +This command looks for proof inputs in the default **Prover.toml** and generates the witness and saves it at `./target/foo.gz`: + +```bash +nargo execute foo +``` + +This command looks for proof inputs in the custom **OtherProver.toml** and generates the witness and saves it at `./target/bar.gz`: + +```bash +nargo execute -p OtherProver bar +``` + +Now that you understand the concepts, you'll probably want some editor feedback while you are writing more complex code. diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/getting_started/quick_start.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/getting_started/quick_start.md new file mode 100644 index 00000000000..c693624eb82 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/getting_started/quick_start.md @@ -0,0 +1,126 @@ +--- +title: Quick Start +tags: [] +sidebar_position: 0 +--- + +## Installation + +### Noir + +The easiest way to develop with Noir is using Nargo the CLI tool. It provides you the ability to start new projects, compile, execute and test Noir programs from the terminal. + +You can use `noirup` the installation script to quickly install and update Nargo: + +```bash +curl -L noirup.dev | bash +noirup +``` + +Once installed, you can [set up shell completions for the `nargo` command](setting_up_shell_completions). + +### Proving backend + +After installing Noir, we install a proving backend to work with our Noir programs. + +Proving backends provide you the abilities to generate proofs, verify proofs, generate smart contracts and more for your Noir programs. + +Different proving backends provide different tools for working with Noir programs, here we will use the [Barretenberg proving backend](https://github.com/AztecProtocol/aztec-packages/tree/master/barretenberg) developed by Aztec Labs as an example. + +You can use the `bbup` installation script to quickly install and update BB, Barretenberg's CLI tool: + +You can find the full list of proving backends compatible with Noir in Awesome Noir. + +```bash +curl -L bbup.dev | bash +bbup +``` + +For the full list of proving backends compatible with Noir, visit [Awesome Noir](https://github.com/noir-lang/awesome-noir/?tab=readme-ov-file#proving-backends). + +## Nargo + +Nargo provides the ability to initiate and execute Noir projects. Let's initialize the traditional `hello_world`: + +```sh +nargo new hello_world +``` + +Two files will be created. + +- `src/main.nr` contains a simple boilerplate circuit +- `Nargo.toml` contains environmental options, such as name, author, dependencies, and others. + +Glancing at _main.nr_ , we can see that inputs in Noir are private by default, but can be labeled public using the keyword `pub`. This means that we will _assert_ that we know a value `x` which is different from `y` without revealing `x`: + +```rust +fn main(x : Field, y : pub Field) { + assert(x != y); +} +``` + +To learn more about private and public values, check the [Data Types](../noir/concepts/data_types/index.md) section. + +### Compiling and executing + +We can now use `nargo` to generate a _Prover.toml_ file, where our input values will be specified: + +```sh +cd hello_world +nargo check + +Let's feed some valid values into this file: + +```toml +x = "1" +y = "2" +``` + +We're now ready to compile and execute our Noir program. By default the `nargo execute` command will do both, and generate the `witness` that we need to feed to our proving backend: + +```sh +nargo execute +``` + +The witness corresponding to this execution will then be written to the file _./target/witness-name.gz_. + +The command also automatically compiles your Noir program if it was not already / was edited, which you may notice the compiled artifacts being written to the file _./target/hello_world.json_. + +With circuit compiled and witness generated, we're ready to prove. + +## Proving backend + +Different proving backends may provide different tools and commands to work with Noir programs. Here Barretenberg's `bb` CLI tool is used as an example: + +```sh +bb prove -b ./target/hello_world.json -w ./target/hello_world.gz -o ./target/proof +``` + +:::tip + +Naming can be confusing, specially as you pass them to the `bb` commands. If unsure, it won't hurt to delete the target folder and start anew to make sure you're using the most recent versions of the compiled circuit and witness. + +::: + +The proof is now generated in the `target` folder. To verify it we first need to compute the verification key from the compiled circuit, and use it to verify: + +```sh +bb write_vk -b ./target/hello_world.json -o ./target/vk +bb verify -k ./target/vk -p ./target/proof +``` + +:::info + +Notice that in order to verify a proof, the verifier knows nothing but the circuit, which is compiled and used to generate the verification key. This is obviously quite important: private inputs remain private. + +As for the public inputs, you may have noticed they haven't been specified. This behavior varies with each particular backend, but barretenberg typically attaches them to the proof. You can see them by parsing and splitting it. For example for if your public inputs are 32 bytes: + +```bash +head -c 32 ./target/proof | od -An -v -t x1 | tr -d $' \n' +``` + +::: + +Congratulations, you have now created and verified a proof for your very first Noir program! + +In the [next section](./project_breakdown.md), we will go into more detail on each step performed. diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/getting_started/setting_up_shell_completions.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/getting_started/setting_up_shell_completions.md new file mode 100644 index 00000000000..0447321cbab --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/getting_started/setting_up_shell_completions.md @@ -0,0 +1,87 @@ +--- +title: Setting up shell completions +tags: [] +sidebar_position: 3 +--- + +The `nargo` binary provides a command to generate shell completions: + +```bash +nargo generate-completion-script [shell] +``` + +where `shell` must be one of `bash`, `elvish`, `fish`, `powershell`, and `zsh`. + +Below we explain how to install them in some popular shells. + +## Installing Zsh Completions + +If you have `oh-my-zsh` installed, you might already have a directory of automatically loading completion scripts — `.oh-my-zsh/completions`. +If not, first create it: + +```bash +mkdir -p ~/.oh-my-zsh/completions` +``` + +Then copy the completion script to that directory: + +```bash +nargo generate-completion-script zsh > ~/.oh-my-zsh/completions/_nargo +``` + +Without `oh-my-zsh`, you’ll need to add a path for completion scripts to your function path, and turn on completion script auto-loading. +First, add these lines to `~/.zshrc`: + +```bash +fpath=(~/.zsh/completions $fpath) +autoload -U compinit +compinit +``` + +Next, create a directory at `~/.zsh/completions`: + +```bash +mkdir -p ~/.zsh/completions +``` + +Then copy the completion script to that directory: + +```bash +nargo generate-completion-script zsh > ~/.zsh/completions/_nargo +``` + +## Installing Bash Completions + +If you have [bash-completion](https://github.com/scop/bash-completion) installed, you can just copy the completion script to the `/usr/local/etc/bash_completion.d` directory: + +```bash +nargo generate-completion-script bash > /usr/local/etc/bash_completion.d/nargo +``` + +Without `bash-completion`, you’ll need to source the completion script directly. +First create a directory such as `~/.bash_completions/`: + +```bash +mkdir ~/.bash_completions/ +``` + +Copy the completion script to that directory: + +```bash +nargo generate-completion-script bash > ~/.bash_completions/nargo.bash +``` + +Then add the following line to `~/.bash_profile` or `~/.bashrc`: + + +```bash +source ~/.bash_completions/nargo.bash +``` + +## Installing Fish Completions + +Copy the completion script to any path listed in the environment variable `$fish_completion_path`. For example, a typical location is `~/.config/fish/completions/nargo.fish`: + +```bash +nargo generate-completion-script fish > ~/.config/fish/completions/nargo.fish +``` diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/how_to/_category_.json b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/how_to/_category_.json new file mode 100644 index 00000000000..23b560f610b --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/how_to/_category_.json @@ -0,0 +1,5 @@ +{ + "position": 1, + "collapsible": true, + "collapsed": true +} diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/how_to/debugger/_category_.json b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/how_to/debugger/_category_.json new file mode 100644 index 00000000000..cc2cbb1c253 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/how_to/debugger/_category_.json @@ -0,0 +1,6 @@ +{ + "label": "Debugging", + "position": 5, + "collapsible": true, + "collapsed": true +} diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/how_to/debugger/debugging_with_the_repl.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/how_to/debugger/debugging_with_the_repl.md new file mode 100644 index 00000000000..09e5bae68ad --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/how_to/debugger/debugging_with_the_repl.md @@ -0,0 +1,164 @@ +--- +title: Using the REPL Debugger +description: + Step by step guide on how to debug your Noir circuits with the REPL Debugger. +keywords: + [ + Nargo, + Noir CLI, + Noir Debugger, + REPL, + ] +sidebar_position: 1 +--- + +#### Pre-requisites + +In order to use the REPL debugger, first you need to install recent enough versions of Nargo and vscode-noir. + +## Debugging a simple circuit + +Let's debug a simple circuit: + +```rust +fn main(x : Field, y : pub Field) { + assert(x != y); +} +``` + +To start the REPL debugger, using a terminal, go to a Noir circuit's home directory. Then: + +`$ nargo debug` + +You should be seeing this in your terminal: + +``` +[main] Starting debugger +At ~/noir-examples/recursion/circuits/main/src/main.nr:1:9 + 1 -> fn main(x : Field, y : pub Field) { + 2 assert(x != y); + 3 } +> +``` + +The debugger displays the current Noir code location, and it is now waiting for us to drive it. + +Let's first take a look at the available commands. For that we'll use the `help` command. + +``` +> help +Available commands: + + opcodes display ACIR opcodes + into step into to the next opcode + next step until a new source location is reached + out step until a new source location is reached + and the current stack frame is finished + break LOCATION:OpcodeLocation add a breakpoint at an opcode location + over step until a new source location is reached + without diving into function calls + restart restart the debugging session + delete LOCATION:OpcodeLocation delete breakpoint at an opcode location + witness show witness map + witness index:u32 display a single witness from the witness map + witness index:u32 value:String update a witness with the given value + memset index:usize value:String update a memory cell with the given + value + continue continue execution until the end of the + program + vars show variable values available at this point + in execution + stacktrace display the current stack trace + memory show memory (valid when executing unconstrained code) + step step to the next ACIR opcode + +Other commands: + + help Show this help message + quit Quit repl + +``` + +Some commands operate only for unconstrained functions, such as `memory` and `memset`. If you try to use them while execution is paused at an ACIR opcode, the debugger will simply inform you that you are not executing unconstrained code: + +``` +> memory +Unconstrained VM memory not available +> +``` + +Before continuing, we can take a look at the initial witness map: + +``` +> witness +_0 = 1 +_1 = 2 +> +``` + +Cool, since `x==1`, `y==2`, and we want to check that `x != y`, our circuit should succeed. At this point we could intervene and use the witness setter command to change one of the witnesses. Let's set `y=3`, then back to 2, so we don't affect the expected result: + +``` +> witness +_0 = 1 +_1 = 2 +> witness 1 3 +_1 = 3 +> witness +_0 = 1 +_1 = 3 +> witness 1 2 +_1 = 2 +> witness +_0 = 1 +_1 = 2 +> +``` + +Now we can inspect the current state of local variables. For that we use the `vars` command. + +``` +> vars +> +``` + +We currently have no vars in context, since we are at the entry point of the program. Let's use `next` to execute until the next point in the program. + +``` +> vars +> next +At ~/noir-examples/recursion/circuits/main/src/main.nr:1:20 + 1 -> fn main(x : Field, y : pub Field) { + 2 assert(x != y); + 3 } +> vars +x:Field = 0x01 +``` + +As a result of stepping, the variable `x`, whose initial value comes from the witness map, is now in context and returned by `vars`. + +``` +> next + 1 fn main(x : Field, y : pub Field) { + 2 -> assert(x != y); + 3 } +> vars +y:Field = 0x02 +x:Field = 0x01 +``` + +Stepping again we can finally see both variables and their values. And now we can see that the next assertion should succeed. + +Let's continue to the end: + +``` +> continue +(Continuing execution...) +Finished execution +> q +[main] Circuit witness successfully solved +``` + +Upon quitting the debugger after a solved circuit, the resulting circuit witness gets saved, equivalent to what would happen if we had run the same circuit with `nargo execute`. + +We just went through the basics of debugging using Noir REPL debugger. For a comprehensive reference, check out [the reference page](../../reference/debugger/debugger_repl.md). diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/how_to/debugger/debugging_with_vs_code.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/how_to/debugger/debugging_with_vs_code.md new file mode 100644 index 00000000000..a5858c1a5eb --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/how_to/debugger/debugging_with_vs_code.md @@ -0,0 +1,68 @@ +--- +title: Using the VS Code Debugger +description: + Step by step guide on how to debug your Noir circuits with the VS Code Debugger configuration and features. +keywords: + [ + Nargo, + Noir CLI, + Noir Debugger, + VS Code, + IDE, + ] +sidebar_position: 0 +--- + +This guide will show you how to use VS Code with the vscode-noir extension to debug a Noir project. + +#### Pre-requisites + +- Nargo +- vscode-noir +- A Noir project with a `Nargo.toml`, `Prover.toml` and at least one Noir (`.nr`) containing an entry point function (typically `main`). + +## Running the debugger + +The easiest way to start debugging is to open the file you want to debug, and press `F5`. This will cause the debugger to launch, using your `Prover.toml` file as input. + +You should see something like this: + +![Debugger launched](@site/static/img/debugger/1-started.png) + +Let's inspect the state of the program. For that, we open VS Code's _Debug pane_. Look for this icon: + +![Debug pane icon](@site/static/img/debugger/2-icon.png) + +You will now see two categories of variables: Locals and Witness Map. + +![Debug pane expanded](@site/static/img/debugger/3-debug-pane.png) + +1. **Locals**: variables of your program. At this point in execution this section is empty, but as we step through the code it will get populated by `x`, `result`, `digest`, etc. + +2. **Witness map**: these are initially populated from your project's `Prover.toml` file. In this example, they will be used to populate `x` and `result` at the beginning of the `main` function. + +Most of the time you will probably be focusing mostly on locals, as they represent the high level state of your program. + +You might be interested in inspecting the witness map in case you are trying to solve a really low level issue in the compiler or runtime itself, so this concerns mostly advanced or niche users. + +Let's step through the program, by using the debugger buttons or their corresponding keyboard shortcuts. + +![Debugger buttons](@site/static/img/debugger/4-debugger-buttons.png) + +Now we can see in the variables pane that there's values for `digest`, `result` and `x`. + +![Inspecting locals](@site/static/img/debugger/5-assert.png) + +We can also inspect the values of variables by directly hovering on them on the code. + +![Hover locals](@site/static/img/debugger/6-hover.png) + +Let's set a break point at the `keccak256` function, so we can continue execution up to the point when it's first invoked without having to go one step at a time. + +We just need to click the to the right of the line number 18. Once the breakpoint appears, we can click the `continue` button or use its corresponding keyboard shortcut (`F5` by default). + +![Breakpoint](@site/static/img/debugger/7-break.png) + +Now we are debugging the `keccak256` function, notice the _Call Stack pane_ at the lower right. This lets us inspect the current call stack of our process. + +That covers most of the current debugger functionalities. Check out [the reference](../../reference/debugger/debugger_vscode.md) for more details on how to configure the debugger. \ No newline at end of file diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/how_to/how-to-oracles.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/how_to/how-to-oracles.md new file mode 100644 index 00000000000..08ce6ee5476 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/how_to/how-to-oracles.md @@ -0,0 +1,275 @@ +--- +title: How to use Oracles +description: Learn how to use oracles in your Noir program with examples in both Nargo and NoirJS. This guide also covers writing a JSON RPC server and providing custom foreign call handlers for NoirJS. +keywords: + - Noir Programming + - Oracles + - Nargo + - NoirJS + - JSON RPC Server + - Foreign Call Handlers +sidebar_position: 1 +--- + +This guide shows you how to use oracles in your Noir program. For the sake of clarity, it assumes that: + +- You have read the [explainer on Oracles](../explainers/explainer-oracle.md) and are comfortable with the concept. +- You have a Noir program to add oracles to. You can create one using the [vite-hardhat starter](https://github.com/noir-lang/noir-starter/tree/main/vite-hardhat) as a boilerplate. +- You understand the concept of a JSON-RPC server. Visit the [JSON-RPC website](https://www.jsonrpc.org/) if you need a refresher. +- You are comfortable with server-side JavaScript (e.g. Node.js, managing packages, etc.). + +## Rundown + +This guide has 3 major steps: + +1. How to modify our Noir program to make use of oracle calls as unconstrained functions +2. How to write a JSON RPC Server to resolve these oracle calls with Nargo +3. How to use them in Nargo and how to provide a custom resolver in NoirJS + +## Step 1 - Modify your Noir program + +An oracle is defined in a Noir program by defining two methods: + +- An unconstrained method - This tells the compiler that it is executing an [unconstrained functions](../noir/concepts//unconstrained.md). +- A decorated oracle method - This tells the compiler that this method is an RPC call. + +An example of an oracle that returns a `Field` would be: + +```rust +#[oracle(getSqrt)] +unconstrained fn sqrt(number: Field) -> Field { } + +unconstrained fn get_sqrt(number: Field) -> Field { + sqrt(number) +} +``` + +In this example, we're wrapping our oracle function in an unconstrained method, and decorating it with `oracle(getSqrt)`. We can then call the unconstrained function as we would call any other function: + +```rust +fn main(input: Field) { + let sqrt = get_sqrt(input); +} +``` + +In the next section, we will make this `getSqrt` (defined on the `sqrt` decorator) be a method of the RPC server Noir will use. + +:::danger + +As explained in the [Oracle Explainer](../explainers/explainer-oracle.md), this `main` function is unsafe unless you constrain its return value. For example: + +```rust +fn main(input: Field) { + let sqrt = get_sqrt(input); + assert(sqrt.pow_32(2) as u64 == input as u64); // <---- constrain the return of an oracle! +} +``` + +::: + +:::info + +Currently, oracles only work with single params or array params. For example: + +```rust +#[oracle(getSqrt)] +unconstrained fn sqrt([Field; 2]) -> [Field; 2] { } +``` + +::: + +## Step 2 - Write an RPC server + +Brillig will call *one* RPC server. Most likely you will have to write your own, and you can do it in whatever language you prefer. In this guide, we will do it in Javascript. + +Let's use the above example of an oracle that consumes an array with two `Field` and returns their square roots: + +```rust +#[oracle(getSqrt)] +unconstrained fn sqrt(input: [Field; 2]) -> [Field; 2] { } + +unconstrained fn get_sqrt(input: [Field; 2]) -> [Field; 2] { + sqrt(input) +} + +fn main(input: [Field; 2]) { + let sqrt = get_sqrt(input); + assert(sqrt[0].pow_32(2) as u64 == input[0] as u64); + assert(sqrt[1].pow_32(2) as u64 == input[1] as u64); +} + +#[test] +fn test() { + let input = [4, 16]; + main(input); +} +``` + +:::info + +Why square root? + +In general, computing square roots is computationally more expensive than multiplications, which takes a toll when speaking about ZK applications. In this case, instead of calculating the square root in Noir, we are using our oracle to offload that computation to be made in plain. In our circuit we can simply multiply the two values. + +::: + +Now, we should write the correspondent RPC server, starting with the [default JSON-RPC 2.0 boilerplate](https://www.npmjs.com/package/json-rpc-2.0#example): + +```js +import { JSONRPCServer } from "json-rpc-2.0"; +import express from "express"; +import bodyParser from "body-parser"; + +const app = express(); +app.use(bodyParser.json()); + +const server = new JSONRPCServer(); +app.post("/", (req, res) => { + const jsonRPCRequest = req.body; + server.receive(jsonRPCRequest).then((jsonRPCResponse) => { + if (jsonRPCResponse) { + res.json(jsonRPCResponse); + } else { + res.sendStatus(204); + } + }); +}); + +app.listen(5555); +``` + +Now, we will add our `getSqrt` method, as expected by the `#[oracle(getSqrt)]` decorator in our Noir code. It maps through the params array and returns their square roots: + +```js +server.addMethod("resolve_foreign_call", async (params) => { + if (params[0].function !== "getSqrt") { + throw Error("Unexpected foreign call") + }; + const values = params[0].inputs[0].map((field) => { + return `${Math.sqrt(parseInt(field, 16))}`; + }); + return { values: [values] }; +}); +``` + +If you're using Typescript, the following types may be helpful in understanding the expected return value and making sure they're easy to follow: + +```js +export type ForeignCallSingle = string; + +export type ForeignCallArray = string[]; + +export type ForeignCallResult = { + values: (ForeignCallSingle | ForeignCallArray)[]; +}; +``` + +:::info Multidimensional Arrays + +If the Oracle function is returning an array containing other arrays, such as `[['1','2],['3','4']]`, you need to provide the values in JSON as flattened values. In the previous example, it would be `['1', '2', '3', '4']`. In the Noir program, the Oracle signature can use a nested type, the flattened values will be automatically converted to the nested type. + +::: + +## Step 3 - Usage with Nargo + +Using the [`nargo` CLI tool](../reference/nargo_commands.md), you can use oracles in the `nargo test` and `nargo execute` commands by passing a value to `--oracle-resolver`. For example: + +```bash +nargo test --oracle-resolver http://localhost:5555 +``` + +This tells `nargo` to use your RPC Server URL whenever it finds an oracle decorator. + +## Step 4 - Usage with NoirJS + +In a JS environment, an RPC server is not strictly necessary, as you may want to resolve your oracles without needing any JSON call at all. NoirJS simply expects that you pass a callback function when you generate proofs, and that callback function can be anything. + +For example, if your Noir program expects the host machine to provide CPU pseudo-randomness, you could simply pass it as the `foreignCallHandler`. You don't strictly need to create an RPC server to serve pseudo-randomness, as you may as well get it directly in your app: + +```js +const foreignCallHandler = (name, inputs) => crypto.randomBytes(16) // etc + +await noir.execute(inputs, foreignCallHandler) +``` + +As one can see, in NoirJS, the [`foreignCallHandler`](../reference/NoirJS/noir_js/type-aliases/ForeignCallHandler.md) function simply means "a callback function that returns a value of type [`ForeignCallOutput`](../reference/NoirJS/noir_js/type-aliases/ForeignCallOutput.md). It doesn't have to be an RPC call like in the case for Nargo. + +:::tip + +Does this mean you don't have to write an RPC server like in [Step #2](#step-2---write-an-rpc-server)? + +You don't technically have to, but then how would you run `nargo test`? To use both `Nargo` and `NoirJS` in your development flow, you will have to write a JSON RPC server. + +::: + +In this case, let's make `foreignCallHandler` call the JSON RPC Server we created in [Step #2](#step-2---write-an-rpc-server), by making it a JSON RPC Client. + +For example, using the same `getSqrt` program in [Step #1](#step-1---modify-your-noir-program) (comments in the code): + +```js +import { JSONRPCClient } from "json-rpc-2.0"; + +// declaring the JSONRPCClient +const client = new JSONRPCClient((jsonRPCRequest) => { +// hitting the same JSON RPC Server we coded above + return fetch("http://localhost:5555", { + method: "POST", + headers: { + "content-type": "application/json", + }, + body: JSON.stringify(jsonRPCRequest), + }).then((response) => { + if (response.status === 200) { + return response + .json() + .then((jsonRPCResponse) => client.receive(jsonRPCResponse)); + } else if (jsonRPCRequest.id !== undefined) { + return Promise.reject(new Error(response.statusText)); + } + }); +}); + +// declaring a function that takes the name of the foreign call (getSqrt) and the inputs +const foreignCallHandler = async (name, input) => { + const inputs = input[0].map((i) => i.toString("hex")) + // notice that the "inputs" parameter contains *all* the inputs + // in this case we to make the RPC request with the first parameter "numbers", which would be input[0] + const oracleReturn = await client.request("resolve_foreign_call", [ + { + function: name, + inputs: [inputs] + }, + ]); + return [oracleReturn.values[0]]; +}; + +// the rest of your NoirJS code +const input = { input: [4, 16] }; +const { witness } = await noir.execute(input, foreignCallHandler); +``` + +:::tip + +If you're in a NoirJS environment running your RPC server together with a frontend app, you'll probably hit a familiar problem in full-stack development: requests being blocked by [CORS](https://developer.mozilla.org/en-US/docs/Web/HTTP/CORS) policy. For development only, you can simply install and use the [`cors` npm package](https://www.npmjs.com/package/cors) to get around the problem: + +```bash +yarn add cors +``` + +and use it as a middleware: + +```js +import cors from "cors"; + +const app = express(); +app.use(cors()) +``` + +::: + +## Conclusion + +Hopefully by the end of this guide, you should be able to: + +- Write your own logic around Oracles and how to write a JSON RPC server to make them work with your Nargo commands. +- Provide custom foreign call handlers for NoirJS. \ No newline at end of file diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/how_to/how-to-recursion.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/how_to/how-to-recursion.md new file mode 100644 index 00000000000..fac79a9cf49 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/how_to/how-to-recursion.md @@ -0,0 +1,172 @@ +--- +title: How to use recursion on NoirJS +description: Learn how to implement recursion with NoirJS, a powerful tool for creating smart contracts on the EVM blockchain. This guide assumes familiarity with NoirJS, solidity verifiers, and the Barretenberg proving backend. Discover how to generate both final and intermediate proofs using `noir_js` and `bb.js`. +keywords: + [ + "NoirJS", + "EVM blockchain", + "smart contracts", + "recursion", + "solidity verifiers", + "Barretenberg backend", + "noir_js", + "intermediate proofs", + "final proofs", + "nargo compile", + "json import", + "recursive circuit", + "recursive app" + ] +sidebar_position: 1 +--- + +This guide shows you how to use recursive proofs in your NoirJS app. For the sake of clarity, it is assumed that: + +- You already have a NoirJS app. If you don't, please visit the [NoirJS tutorial](../tutorials/noirjs_app.md) and the [reference](../reference/NoirJS/noir_js/index.md). +- You are familiar with what are recursive proofs and you have read the [recursion explainer](../explainers/explainer-recursion.md) +- You already built a recursive circuit following [the reference](../noir/standard_library/recursion.mdx), and understand how it works. + +It is also assumed that you're not using `noir_wasm` for compilation, and instead you've used [`nargo compile`](../reference/nargo_commands.md) to generate the `json` you're now importing into your project. However, the guide should work just the same if you're using `noir_wasm`. + +:::info + +As you've read in the [explainer](../explainers/explainer-recursion.md), a recursive proof is an intermediate proof. This means that it doesn't necessarily generate the final step that makes it verifiable in a smart contract. However, it is easy to verify within another circuit. + +::: + +In a standard recursive app, you're also dealing with at least two circuits. For the purpose of this guide, we will assume the following: + +- `main`: a circuit of type `assert(x != y)`, where `main` is marked with a `#[recursive]` attribute. This attribute states that the backend should generate proofs that are friendly for verification within another circuit. +- `recursive`: a circuit that verifies `main` + +For a full example of how recursive proofs work, please refer to the [noir-examples](https://github.com/noir-lang/noir-examples) repository. We will *not* be using it as a reference for this guide. + +## Step 1: Setup + +In a common NoirJS app, you need to instantiate a backend with something like `const backend = new Backend(circuit)`. Then you feed it to the `noir_js` interface. + +For recursion, this doesn't happen, and the only need for `noir_js` is only to `execute` a circuit and get its witness and return value. Everything else is not interfaced, so it needs to happen on the `backend` object. + +It is also recommended that you instantiate the backend with as many threads as possible, to allow for maximum concurrency: + +```js +const backend = new Backend(circuit, { threads: 8 }) +``` + +:::tip +You can use the [`os.cpus()`](https://nodejs.org/api/os.html#oscpus) object in `nodejs` or [`navigator.hardwareConcurrency`](https://developer.mozilla.org/en-US/docs/Web/API/Navigator/hardwareConcurrency) on the browser to make the most out of those glorious cpu cores +::: + +## Step 2: Generating the witness and the proof for `main` + +After instantiating the backend, you should also instantiate `noir_js`. We will use it to execute the circuit and get the witness. + +```js +const noir = new Noir(circuit) +const { witness } = noir.execute(input) +``` + +With this witness, you are now able to generate the intermediate proof for the main circuit: + +```js +const { proof, publicInputs } = await backend.generateProof(witness) +``` + +:::warning + +Always keep in mind what is actually happening on your development process, otherwise you'll quickly become confused about what circuit we are actually running and why! + +In this case, you can imagine that Alice (running the `main` circuit) is proving something to Bob (running the `recursive` circuit), and Bob is verifying her proof within his proof. + +With this in mind, it becomes clear that our intermediate proof is the one *meant to be verified within another circuit*, so it must be Alice's. Actually, the only final proof in this theoretical scenario would be the last one, sent on-chain. + +::: + +## Step 3 - Verification and proof artifacts + +Optionally, you are able to verify the intermediate proof: + +```js +const verified = await backend.verifyProof({ proof, publicInputs }) +``` + +This can be useful to make sure our intermediate proof was correctly generated. But the real goal is to do it within another circuit. For that, we need to generate recursive proof artifacts that will be passed to the circuit that is verifying the proof we just generated. Instead of passing the proof and verification key as a byte array, we pass them as fields which makes it cheaper to verify in a circuit: + +```js +const { proofAsFields, vkAsFields, vkHash } = await backend.generateRecursiveProofArtifacts( { publicInputs, proof }, publicInputsCount) +``` + +This call takes the public inputs and the proof, but also the public inputs count. While this is easily retrievable by simply counting the `publicInputs` length, the backend interface doesn't currently abstract it away. + +:::info + +The `proofAsFields` has a constant size `[Field; 93]` and verification keys in Barretenberg are always `[Field; 114]`. + +::: + +:::warning + +One common mistake is to forget *who* makes this call. + +In a situation where Alice is generating the `main` proof, if she generates the proof artifacts and sends them to Bob, which gladly takes them as true, this would mean Alice could prove anything! + +Instead, Bob needs to make sure *he* extracts the proof artifacts, using his own instance of the `main` circuit backend. This way, Alice has to provide a valid proof for the correct `main` circuit. + +::: + +## Step 4 - Recursive proof generation + +With the artifacts, generating a recursive proof is no different from a normal proof. You simply use the `backend` (with the recursive circuit) to generate it: + +```js +const recursiveInputs = { + verification_key: vkAsFields, // array of length 114 + proof: proofAsFields, // array of length 93 + size of public inputs + publicInputs: [mainInput.y], // using the example above, where `y` is the only public input + key_hash: vkHash, +} + +const { witness, returnValue } = noir.execute(recursiveInputs) // we're executing the recursive circuit now! +const { proof, publicInputs } = backend.generateProof(witness) +const verified = backend.verifyProof({ proof, publicInputs }) +``` + +You can obviously chain this proof into another proof. In fact, if you're using recursive proofs, you're probably interested of using them this way! + +:::tip + +Managing circuits and "who does what" can be confusing. To make sure your naming is consistent, you can keep them in an object. For example: + +```js +const circuits = { + main: mainJSON, + recursive: recursiveJSON +} +const backends = { + main: new BarretenbergBackend(circuits.main), + recursive: new BarretenbergBackend(circuits.recursive) +} +const noir_programs = { + main: new Noir(circuits.main), + recursive: new Noir(circuits.recursive) +} +``` + +This allows you to neatly call exactly the method you want without conflicting names: + +```js +// Alice runs this 👇 +const { witness: mainWitness } = await noir_programs.main.execute(input) +const proof = await backends.main.generateProof(mainWitness) + +// Bob runs this 👇 +const verified = await backends.main.verifyProof(proof) +const { proofAsFields, vkAsFields, vkHash } = await backends.main.generateRecursiveProofArtifacts( + proof, + numPublicInputs, +); +const { witness: recursiveWitness } = await noir_programs.recursive.execute(recursiveInputs) +const recursiveProof = await backends.recursive.generateProof(recursiveWitness); +``` + +::: diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/how_to/how-to-solidity-verifier.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/how_to/how-to-solidity-verifier.md new file mode 100644 index 00000000000..2cc0f8e57ce --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/how_to/how-to-solidity-verifier.md @@ -0,0 +1,259 @@ +--- +title: Generate a Solidity Verifier +description: + Learn how to run the verifier as a smart contract on the blockchain. Compile a Solidity verifier + contract for your Noir program and deploy it on any EVM blockchain acting as a verifier smart + contract. Read more to find out +keywords: + [ + solidity verifier, + smart contract, + blockchain, + compiler, + plonk_vk.sol, + EVM blockchain, + verifying Noir programs, + proving backend, + Barretenberg, + ] +sidebar_position: 0 +pagination_next: tutorials/noirjs_app +--- + +Noir has the ability to generate a verifier contract in Solidity, which can be deployed in many EVM-compatible blockchains such as Ethereum. + +This allows for a powerful feature set, as one can make use of the conciseness and the privacy provided by Noir in an immutable ledger. Applications can range from simple P2P guessing games, to complex private DeFi interactions. + +This guide shows you how to generate a Solidity Verifier and deploy it on the [Remix IDE](https://remix.ethereum.org/). It is assumed that: + +- You are comfortable with the Solidity programming language and understand how contracts are deployed on the Ethereum network +- You have Noir installed and you have a Noir program. If you don't, [get started](../getting_started/quick_start.md) with Nargo and the example Hello Noir circuit +- You are comfortable navigating RemixIDE. If you aren't or you need a refresher, you can find some video tutorials [here](https://www.youtube.com/channel/UCjTUPyFEr2xDGN6Cg8nKDaA) that could help you. + +## Rundown + +Generating a Solidity Verifier contract is actually a one-command process. However, compiling it and deploying it can have some caveats. Here's the rundown of this guide: + +1. How to generate a solidity smart contract +2. How to compile the smart contract in the RemixIDE +3. How to deploy it to a testnet + +## Step 1 - Generate a contract + +This is by far the most straightforward step. Just run: + +```sh +nargo compile +``` + +This will compile your source code into a Noir build artifact to be stored in the `./target` directory, you can then generate the smart contract using the commands: + +```sh +# Here we pass the path to the newly generated Noir artifact. +bb write_vk -b ./target/.json +bb contract +``` + +replacing `` with the name of your Noir project. A new `contract` folder would then be generated in your project directory, containing the Solidity +file `contract.sol`. It can be deployed to any EVM blockchain acting as a verifier smart contract. + +You can find more information about `bb` and the default Noir proving backend on [this page](../getting_started/quick_start.md#proving-backend). + +:::info + +It is possible to generate verifier contracts of Noir programs for other smart contract platforms as long as the proving backend supplies an implementation. + +Barretenberg, the default proving backend for Nargo, supports generation of verifier contracts, for the time being these are only in Solidity. +::: + +## Step 2 - Compiling + +We will mostly skip the details of RemixIDE, as the UI can change from version to version. For now, we can just open +Remix and create a blank workspace. + +![Create Workspace](@site/static/img/how-tos/solidity_verifier_1.png) + +We will create a new file to contain the contract Nargo generated, and copy-paste its content. + +:::warning + +You'll likely see a warning advising you to not trust pasted code. While it is an important warning, it is irrelevant in the context of this guide and can be ignored. We will not be deploying anywhere near a mainnet. + +::: + +To compile our the verifier, we can navigate to the compilation tab: + +![Compilation Tab](@site/static/img/how-tos/solidity_verifier_2.png) + +Remix should automatically match a suitable compiler version. However, hitting the "Compile" button will most likely generate a "Stack too deep" error: + +![Stack too deep](@site/static/img/how-tos/solidity_verifier_3.png) + +This is due to the verify function needing to put many variables on the stack, but enabling the optimizer resolves the issue. To do this, let's open the "Advanced Configurations" tab and enable optimization. The default 200 runs will suffice. + +:::info + +This time we will see a warning about an unused function parameter. This is expected, as the `verify` function doesn't use the `_proof` parameter inside a solidity block, it is loaded from calldata and used in assembly. + +::: + +![Compilation success](@site/static/img/how-tos/solidity_verifier_4.png) + +## Step 3 - Deploying + +At this point we should have a compiled contract ready to deploy. If we navigate to the deploy section in Remix, we will see many different environments we can deploy to. The steps to deploy on each environment would be out-of-scope for this guide, so we will just use the default Remix VM. + +Looking closely, we will notice that our "Solidity Verifier" is actually three contracts working together: + +- An `UltraVerificationKey` library which simply stores the verification key for our circuit. +- An abstract contract `BaseUltraVerifier` containing most of the verifying logic. +- A main `UltraVerifier` contract that inherits from the Base and uses the Key contract. + +Remix will take care of the dependencies for us so we can simply deploy the UltraVerifier contract by selecting it and hitting "deploy": + +![Deploying UltraVerifier](@site/static/img/how-tos/solidity_verifier_5.png) + +A contract will show up in the "Deployed Contracts" section, where we can retrieve the Verification Key Hash. This is particularly useful for double-checking that the deployer contract is the correct one. + +:::note + +Why "UltraVerifier"? + +To be precise, the Noir compiler (`nargo`) doesn't generate the verifier contract directly. It compiles the Noir code into an intermediate language (ACIR), which is then executed by the backend. So it is the backend that returns the verifier smart contract, not Noir. + +In this case, the Barretenberg Backend uses the UltraPlonk proving system, hence the "UltraVerifier" name. + +::: + +## Step 4 - Verifying + +To verify a proof using the Solidity verifier contract, we call the `verify` function in this extended contract: + +```solidity +function verify(bytes calldata _proof, bytes32[] calldata _publicInputs) external view returns (bool) +``` + +When using the default example in the [Hello Noir](../getting_started/quick_start.md) guide, the easiest way to confirm that the verifier contract is doing its job is by calling the `verify` function via remix with the required parameters. Note that the public inputs must be passed in separately to the rest of the proof so we must split the proof as returned from `bb`. + +First generate a proof with `bb` at the location `./proof` using the steps in [get started](../getting_started/quick_start.md), this proof is in a binary format but we want to convert it into a hex string to pass into Remix, this can be done with the + +```bash +# This value must be changed to match the number of public inputs (including return values!) in your program. +NUM_PUBLIC_INPUTS=1 +PUBLIC_INPUT_BYTES=32*NUM_PUBLIC_INPUTS +HEX_PUBLIC_INPUTS=$(head -c $PUBLIC_INPUT_BYTES ./proof | od -An -v -t x1 | tr -d $' \n') +HEX_PROOF=$(tail -c +$(($PUBLIC_INPUT_BYTES + 1)) ./proof | od -An -v -t x1 | tr -d $' \n') + +echo "Public inputs:" +echo $HEX_PUBLIC_INPUTS + +echo "Proof:" +echo "0x$HEX_PROOF" +``` + +Remix expects that the public inputs will be split into an array of `bytes32` values so `HEX_PUBLIC_INPUTS` needs to be split up into 32 byte chunks which are prefixed with `0x` accordingly. + +A programmatic example of how the `verify` function is called can be seen in the example zk voting application [here](https://github.com/noir-lang/noir-examples/blob/33e598c257e2402ea3a6b68dd4c5ad492bce1b0a/foundry-voting/src/zkVote.sol#L35): + +```solidity +function castVote(bytes calldata proof, uint proposalId, uint vote, bytes32 nullifierHash) public returns (bool) { + // ... + bytes32[] memory publicInputs = new bytes32[](4); + publicInputs[0] = merkleRoot; + publicInputs[1] = bytes32(proposalId); + publicInputs[2] = bytes32(vote); + publicInputs[3] = nullifierHash; + require(verifier.verify(proof, publicInputs), "Invalid proof"); +``` + +:::info[Return Values] + +A circuit doesn't have the concept of a return value. Return values are just syntactic sugar in Noir. + +Under the hood, the return value is passed as an input to the circuit and is checked at the end of the circuit program. + +For example, if you have Noir program like this: + +```rust +fn main( + // Public inputs + pubkey_x: pub Field, + pubkey_y: pub Field, + // Private inputs + priv_key: Field, +) -> pub Field +``` + +the `verify` function will expect the public inputs array (second function parameter) to be of length 3, the two inputs and the return value. + +Passing only two inputs will result in an error such as `PUBLIC_INPUT_COUNT_INVALID(3, 2)`. + +In this case, the inputs parameter to `verify` would be an array ordered as `[pubkey_x, pubkey_y, return`. + +::: + +:::tip[Structs] + +You can pass structs to the verifier contract. They will be flattened so that the array of inputs is 1-dimensional array. + +For example, consider the following program: + +```rust +struct Type1 { + val1: Field, + val2: Field, +} + +struct Nested { + t1: Type1, + is_true: bool, +} + +fn main(x: pub Field, nested: pub Nested, y: pub Field) { + //... +} +``` + +The order of these inputs would be flattened to: `[x, nested.t1.val1, nested.t1.val2, nested.is_true, y]` + +::: + +The other function you can call is our entrypoint `verify` function, as defined above. + +:::tip + +It's worth noticing that the `verify` function is actually a `view` function. A `view` function does not alter the blockchain state, so it doesn't need to be distributed (i.e. it will run only on the executing node), and therefore doesn't cost any gas. + +This can be particularly useful in some situations. If Alice generated a proof and wants Bob to verify its correctness, Bob doesn't need to run Nargo, NoirJS, or any Noir specific infrastructure. He can simply make a call to the blockchain with the proof and verify it is correct without paying any gas. + +It would be incorrect to say that a Noir proof verification costs any gas at all. However, most of the time the result of `verify` is used to modify state (for example, to update a balance, a game state, etc). In that case the whole network needs to execute it, which does incur gas costs (calldata and execution, but not storage). + +::: + +## A Note on EVM chains + +Noir proof verification requires the ecMul, ecAdd and ecPairing precompiles. Not all EVM chains support EC Pairings, notably some of the ZK-EVMs. This means that you won't be able to use the verifier contract in all of them. You can find an incomplete list of which EVM chains support these precompiles [here](https://www.evmdiff.com/features?feature=precompiles). + +For example, chains like `zkSync ERA` and `Polygon zkEVM` do not currently support these precompiles, so proof verification via Solidity verifier contracts won't work. Here's a quick list of EVM chains that have been tested and are known to work: + +- Optimism +- Arbitrum +- Polygon PoS +- Scroll +- Celo +- BSC +- Blast L2 +- Avalanche C-Chain +- Mode +- Linea +- Moonbeam + +If you test any other chains, please open a PR on this page to update the list. See [this doc](https://github.com/noir-lang/noir-starter/tree/main/with-foundry#testing-on-chain) for more info about testing verifier contracts on different EVM chains. + +## What's next + +Now that you know how to call a Noir Solidity Verifier on a smart contract using Remix, you should be comfortable with using it with some programmatic frameworks, such as [hardhat](https://github.com/noir-lang/noir-starter/tree/main/vite-hardhat) and [foundry](https://github.com/noir-lang/noir-starter/tree/main/with-foundry). + +You can find other tools, examples, boilerplates and libraries in the [awesome-noir](https://github.com/noir-lang/awesome-noir) repository. + +You should also be ready to write and deploy your first NoirJS app and start generating proofs on websites, phones, and NodeJS environments! Head on to the [NoirJS tutorial](../tutorials/noirjs_app.md) to learn how to do that. diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/how_to/merkle-proof.mdx b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/how_to/merkle-proof.mdx new file mode 100644 index 00000000000..0a128adb2de --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/how_to/merkle-proof.mdx @@ -0,0 +1,48 @@ +--- +title: Prove Merkle Tree Membership +description: + Learn how to use merkle membership proof in Noir to prove that a given leaf is a member of a + merkle tree with a specified root, at a given index. +keywords: + [merkle proof, merkle membership proof, Noir, rust, hash function, Pedersen, sha256, merkle tree] +sidebar_position: 4 +--- + +Let's walk through an example of a merkle membership proof in Noir that proves that a given leaf is +in a merkle tree. + +```rust + +fn main(message : [Field; 62], index : Field, hashpath : [Field; 40], root : Field) { + let leaf = std::hash::hash_to_field(message.as_slice()); + let merkle_root = std::merkle::compute_merkle_root(leaf, index, hashpath); + assert(merkle_root == root); +} + +``` + +The message is hashed using `hash_to_field`. The specific hash function that is being used is chosen +by the backend. The only requirement is that this hash function can heuristically be used as a +random oracle. If only collision resistance is needed, then one can call `std::hash::pedersen_hash` +instead. + +```rust +let leaf = std::hash::hash_to_field(message.as_slice()); +``` + +The leaf is then passed to a compute_merkle_root function with the root, index and hashpath. The returned root can then be asserted to be the same as the provided root. + +```rust +let merkle_root = std::merkle::compute_merkle_root(leaf, index, hashpath); +assert (merkle_root == root); +``` + +> **Note:** It is possible to re-implement the merkle tree implementation without standard library. +> However, for most usecases, it is enough. In general, the standard library will always opt to be +> as conservative as possible, while striking a balance with efficiency. + +An example, the merkle membership proof, only requires a hash function that has collision +resistance, hence a hash function like Pedersen is allowed, which in most cases is more efficient +than the even more conservative sha256. + +[View an example on the starter repo](https://github.com/noir-lang/noir-examples/blob/3ea09545cabfa464124ec2f3ea8e60c608abe6df/stealthdrop/circuits/src/main.nr#L20) diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/how_to/using-devcontainers.mdx b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/how_to/using-devcontainers.mdx new file mode 100644 index 00000000000..727ec6ca667 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/how_to/using-devcontainers.mdx @@ -0,0 +1,110 @@ +--- +title: Developer Containers and Codespaces +description: "Learn how to set up a devcontainer in your GitHub repository for a seamless coding experience with Codespaces. Follow our easy 8-step guide to create your own Noir environment without installing Nargo locally." +keywords: ["Devcontainer", "Codespaces", "GitHub", "Noir Environment", "Docker Image", "Development Environment", "Remote Coding", "GitHub Codespaces", "Noir Programming", "Nargo", "VSCode Extensions", "Noirup"] +sidebar_position: 1 +--- + +Adding a developer container configuration file to your Noir project is one of the easiest way to unlock coding in browser. + +## What's a devcontainer after all? + +A [Developer Container](https://containers.dev/) (devcontainer for short) is a Docker image that comes preloaded with tools, extensions, and other tools you need to quickly get started or continue a project, without having to install Nargo locally. Think of it as a development environment in a box. + +There are many advantages to this: + +- It's platform and architecture agnostic +- You don't need to have an IDE installed, or Nargo, or use a terminal at all +- It's safer for using on a public machine or public network + +One of the best ways of using devcontainers is... not using your machine at all, for maximum control, performance, and ease of use. +Enter Codespaces. + +## Codespaces + +If a devcontainer is just a Docker image, then what stops you from provisioning a `p3dn.24xlarge` AWS EC2 instance with 92 vCPUs and 768 GiB RAM and using it to prove your 10-gate SNARK proof? + +Nothing! Except perhaps the 30-40$ per hour it will cost you. + +The problem is that provisioning takes time, and I bet you don't want to see the AWS console every time you want to code something real quick. + +Fortunately, there's an easy and free way to get a decent remote machine ready and loaded in less than 2 minutes: Codespaces. [Codespaces is a Github feature](https://github.com/features/codespaces) that allows you to code in a remote machine by using devcontainers, and it's pretty cool: + +- You can start coding Noir in less than a minute +- It uses the resources of a remote machine, so you can code on your grandma's phone if needed be +- It makes it easy to share work with your frens +- It's fully reusable, you can stop and restart whenever you need to + +:::info + +Don't take out your wallet just yet. Free GitHub accounts get about [15-60 hours of coding](https://github.com/features/codespaces) for free per month, depending on the size of your provisioned machine. + +::: + +## Tell me it's _actually_ easy + +It is! + +Github comes with a default codespace and you can use it to code your own devcontainer. That's exactly what we will be doing in this guide. + + + +8 simple steps: + +#### 1. Create a new repository on GitHub. + +#### 2. Click "Start coding with Codespaces". This will use the default image. + +#### 3. Create a folder called `.devcontainer` in the root of your repository. + +#### 4. Create a Dockerfile in that folder, and paste the following code: + +```docker +FROM --platform=linux/amd64 node:lts-bookworm-slim +SHELL ["/bin/bash", "-c"] +RUN apt update && apt install -y curl bash git tar gzip libc++-dev +RUN curl -L https://raw.githubusercontent.com/noir-lang/noirup/main/install | bash +ENV PATH="/root/.nargo/bin:$PATH" +RUN noirup +ENTRYPOINT ["nargo"] +``` +#### 5. Create a file called `devcontainer.json` in the same folder, and paste the following code: + +```json +{ + "name": "Noir on Codespaces", + "build": { + "context": ".", + "dockerfile": "Dockerfile" + }, + "customizations": { + "vscode": { + "extensions": ["noir-lang.vscode-noir"] + } + } +} +``` +#### 6. Commit and push your changes + +This will pull the new image and build it, so it could take a minute or so + +#### 8. Done! +Just wait for the build to finish, and there's your easy Noir environment. + + +Refer to [noir-starter](https://github.com/noir-lang/noir-starter/) as an example of how devcontainers can be used together with codespaces. + + + +## How do I use it? + +Using the codespace is obviously much easier than setting it up. +Just navigate to your repository and click "Code" -> "Open with Codespaces". It should take a few seconds to load, and you're ready to go. + +:::info + +If you really like the experience, you can add a badge to your readme, links to existing codespaces, and more. +Check out the [official docs](https://docs.github.com/en/codespaces/setting-up-your-project-for-codespaces/setting-up-your-repository/facilitating-quick-creation-and-resumption-of-codespaces) for more info. diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/index.mdx b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/index.mdx new file mode 100644 index 00000000000..a6bd306f91d --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/index.mdx @@ -0,0 +1,67 @@ +--- +title: Noir Lang +hide_title: true +description: + Learn about the public alpha release of Noir, a domain specific language heavily influenced by Rust that compiles to + an intermediate language which can be compiled to an arithmetic circuit or a rank-1 constraint system. +keywords: + [Noir, + Domain Specific Language, + Rust, + Intermediate Language, + Arithmetic Circuit, + Rank-1 Constraint System, + Ethereum Developers, + Protocol Developers, + Blockchain Developers, + Proving System, + Smart Contract Language] +sidebar_position: 0 +--- + +import Tabs from '@theme/Tabs'; +import TabItem from '@theme/TabItem'; + +Noir Logo + +Noir is an open-source Domain-Specific Language for safe and seamless construction of privacy-preserving Zero-Knowledge programs, requiring no previous knowledge on the underlying mathematics or cryptography. + +ZK programs are programs that can generate short proofs of statements without revealing all inputs to the statements. You can read more about Zero-Knowledge Proofs [here](https://dev.to/spalladino/a-beginners-intro-to-coding-zero-knowledge-proofs-c56). + +## What's new about Noir? + +Noir works differently from most ZK languages by taking a two-pronged path. First, it compiles the program to an adaptable intermediate language known as ACIR. From there, depending on a given project's needs, ACIR can be further compiled into an arithmetic circuit for integration with the proving backend. + +:::info + +Noir is backend agnostic, which means it makes no assumptions on which proving backend powers the ZK proof. Being the language that powers [Aztec Contracts](https://docs.aztec.network/developers/contracts/main), it defaults to Aztec's Barretenberg proving backend. + +However, the ACIR output can be transformed to be compatible with other PLONK-based backends, or into a [rank-1 constraint system](https://www.rareskills.io/post/rank-1-constraint-system) suitable for backends such as Arkwork's Marlin. + +::: + +## Who is Noir for? + +Noir can be used both in complex cloud-based backends and in user's smartphones, requiring no knowledge on the underlying math or cryptography. From authorization systems that keep a password in the user's device, to complex on-chain verification of recursive proofs, Noir is designed to abstract away complexity without any significant overhead. Here are some examples of situations where Noir can be used: + + + + Noir Logo + + Aztec Contracts leverage Noir to allow for the storage and execution of private information. Writing an Aztec Contract is as easy as writing Noir, and Aztec developers can easily interact with the network storage and execution through the [Aztec.nr](https://docs.aztec.network/developers/contracts/main) library. + + + Soliditry Verifier Example + Noir can auto-generate Solidity verifier contracts that verify Noir proofs. This allows for non-interactive verification of proofs containing private information in an immutable system. This feature powers a multitude of use-case scenarios, from P2P chess tournaments, to [Aztec Layer-2 Blockchain](https://docs.aztec.network/) + + + Aztec Labs developed NoirJS, an easy interface to generate and verify Noir proofs in a Javascript environment. This allows for Noir to be used in webpages, mobile apps, games, and any other environment supporting JS execution in a standalone manner. + + + + +## Libraries + +Noir is meant to be easy to extend by simply importing Noir libraries just like in Rust. +The [awesome-noir repo](https://github.com/noir-lang/awesome-noir#libraries) is a collection of libraries developed by the Noir community. +Writing a new library is easy and makes code be composable and easy to reuse. See the section on [dependencies](noir/modules_packages_crates/dependencies.md) for more information. diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/migration_notes.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/migration_notes.md new file mode 100644 index 00000000000..6bd740024e5 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/migration_notes.md @@ -0,0 +1,105 @@ +--- +title: Migration notes +description: Read about migration notes from previous versions, which could solve problems while updating +keywords: [Noir, notes, migration, updating, upgrading] +--- + +Noir is in full-speed development. Things break fast, wild, and often. This page attempts to leave some notes on errors you might encounter when upgrading and how to resolve them until proper patches are built. + +### `backend encountered an error: libc++.so.1` + +Depending on your OS, you may encounter the following error when running `nargo prove` for the first time: + +```text +The backend encountered an error: "/home/codespace/.nargo/backends/acvm-backend-barretenberg/backend_binary: error while loading shared libraries: libc++.so.1: cannot open shared object file: No such file or directory\n" +``` + +Install the `libc++-dev` library with: + +```bash +sudo apt install libc++-dev +``` + +## ≥0.19 + +### Enforcing `compiler_version` + +From this version on, the compiler will check for the `compiler_version` field in `Nargo.toml`, and will error if it doesn't match the current Nargo version in use. + +To update, please make sure this field in `Nargo.toml` matches the output of `nargo --version`. + +## ≥0.14 + +The index of the [for loops](noir/concepts/control_flow.md#loops) is now of type `u64` instead of `Field`. An example refactor would be: + +```rust +for i in 0..10 { + let i = i as Field; +} +``` + +## ≥v0.11.0 and Nargo backend + +From this version onwards, Nargo starts managing backends through the `nargo backend` command. Upgrading to the versions per usual steps might lead to: + +### `backend encountered an error` + +This is likely due to the existing locally installed version of proving backend (e.g. barretenberg) is incompatible with the version of Nargo in use. + +To fix the issue: + +1. Uninstall the existing backend + +```bash +nargo backend uninstall acvm-backend-barretenberg +``` + +You may replace _acvm-backend-barretenberg_ with the name of your backend listed in `nargo backend ls` or in ~/.nargo/backends. + +2. Reinstall a compatible version of the proving backend. + +If you are using the default barretenberg backend, simply run: + +``` +nargo prove +``` + +with your Noir program. + +This will trigger the download and installation of the latest version of barretenberg compatible with your Nargo in use. + +### `backend encountered an error: illegal instruction` + +On certain Intel-based systems, an `illegal instruction` error may arise due to incompatibility of barretenberg with certain CPU instructions. + +To fix the issue: + +1. Uninstall the existing backend + +```bash +nargo backend uninstall acvm-backend-barretenberg +``` + +You may replace _acvm-backend-barretenberg_ with the name of your backend listed in `nargo backend ls` or in ~/.nargo/backends. + +2. Reinstall a compatible version of the proving backend. + +If you are using the default barretenberg backend, simply run: + +``` +nargo backend install acvm-backend-barretenberg https://github.com/noir-lang/barretenberg-js-binary/raw/master/run-bb.tar.gz +``` + +This downloads and installs a specific bb.js based version of barretenberg binary from GitHub. + +The gzipped file is running [this bash script](https://github.com/noir-lang/barretenberg-js-binary/blob/master/run-bb-js.sh), where we need to gzip it as the Nargo currently expect the backend to be zipped up. + +Then run: + +``` +DESIRED_BINARY_VERSION=0.8.1 nargo info +``` + +This overrides the bb native binary with a bb.js node application instead, which should be compatible with most if not all hardware. This does come with the drawback of being generally slower than native binary. + +0.8.1 indicates bb.js version 0.8.1, so if you change that it will update to a different version or the default version in the script if none was supplied. diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/_category_.json b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/_category_.json new file mode 100644 index 00000000000..7da08f8a8c5 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/_category_.json @@ -0,0 +1,6 @@ +{ + "label": "Concepts", + "position": 0, + "collapsible": true, + "collapsed": true +} \ No newline at end of file diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/assert.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/assert.md new file mode 100644 index 00000000000..2132de42072 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/assert.md @@ -0,0 +1,78 @@ +--- +title: Assert Function +description: + Learn about the `assert` and `static_assert` functions in Noir, which can be used to explicitly + constrain the predicate or comparison expression that follows to be true, and what happens if + the expression is false at runtime or compile-time, respectively. +keywords: [Noir programming language, assert statement, predicate expression, comparison expression] +sidebar_position: 4 +--- + +Noir includes a special `assert` function which will explicitly constrain the predicate/comparison +expression that follows to be true. If this expression is false at runtime, the program will fail to +be proven. Example: + +```rust +fn main(x : Field, y : Field) { + assert(x == y); +} +``` + +> Assertions only work for predicate operations, such as `==`. If there's any ambiguity on the operation, the program will fail to compile. For example, it is unclear if `assert(x + y)` would check for `x + y == 0` or simply would return `true`. + +You can optionally provide a message to be logged when the assertion fails: + +```rust +assert(x == y, "x and y are not equal"); +``` + +Aside string literals, the optional message can be a format string or any other type supported as input for Noir's [print](../standard_library/logging.md) functions. This feature lets you incorporate runtime variables into your failed assertion logs: + +```rust +assert(x == y, f"Expected x == y, but got {x} == {y}"); +``` + +Using a variable as an assertion message directly: + +```rust +struct myStruct { + myField: Field +} + +let s = myStruct { myField: y }; +assert(s.myField == x, s); +``` + +There is also a special `static_assert` function that behaves like `assert`, +but that runs at compile-time. + +```rust +fn main(xs: [Field; 3]) { + let x = 2 + 2; + let y = 4; + static_assert(x == y, "expected 2 + 2 to equal 4"); + + // This passes since the length of `xs` is known at compile-time + static_assert(xs.len() == 3, "expected the input to have 3 elements"); +} +``` + +This function fails when passed a dynamic (run-time) argument: + +```rust +fn main(x : Field, y : Field) { + // this fails because `x` is not known at compile-time + static_assert(x == 2, "expected x to be known at compile-time and equal to 2"); + + let mut example_slice = &[]; + if y == 4 { + example_slice = example_slice.push_back(0); + } + + // This fails because the length of `example_slice` is not known at + // compile-time + let error_message = "expected an empty slice, known at compile-time"; + static_assert(example_slice.len() == 0, error_message); +} +``` + diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/comments.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/comments.md new file mode 100644 index 00000000000..b51a85f5c94 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/comments.md @@ -0,0 +1,33 @@ +--- +title: Comments +description: + Learn how to write comments in Noir programming language. A comment is a line of code that is + ignored by the compiler, but it can be read by programmers. Single-line and multi-line comments + are supported in Noir. +keywords: [Noir programming language, comments, single-line comments, multi-line comments] +sidebar_position: 10 +--- + +A comment is a line in your codebase which the compiler ignores, however it can be read by +programmers. + +Here is a single line comment: + +```rust +// This is a comment and is ignored +``` + +`//` is used to tell the compiler to ignore the rest of the line. + +Noir also supports multi-line block comments. Start a block comment with `/*` and end the block with `*/`. + +Noir does not natively support doc comments. You may be able to use [Rust doc comments](https://doc.rust-lang.org/reference/comments.html) in your code to leverage some Rust documentation build tools with Noir code. + +```rust +/* + This is a block comment describing a complex function. +*/ +fn main(x : Field, y : pub Field) { + assert(x != y); +} +``` diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/comptime.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/comptime.md new file mode 100644 index 00000000000..2ceb030c7e1 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/comptime.md @@ -0,0 +1,445 @@ +--- +title: Compile-time Code & Metaprogramming +description: Learn how to use metaprogramming in Noir to create macros or derive your own traits +keywords: [Noir, comptime, compile-time, metaprogramming, macros, quote, unquote] +sidebar_position: 15 +--- + +## Overview + +Metaprogramming in Noir is comprised of three parts: +1. `comptime` code +2. Quoting and unquoting +3. The metaprogramming API in `std::meta` + +Each of these are explained in more detail in the next sections but the wide picture is that +`comptime` allows us to write code which runs at compile-time. In this `comptime` code we +can quote and unquote snippets of the program, manipulate them, and insert them in other +parts of the program. Comptime functions which do this are said to be macros. Additionally, +there's a compile-time API of built-in types and functions provided by the compiler which allows +for greater analysis and modification of programs. + +--- + +## Comptime + +`comptime` is a new keyword in Noir which marks an item as executing or existing at compile-time. It can be used in several ways: + +- `comptime fn` to define functions which execute exclusively during compile-time. +- `comptime global` to define a global variable which is evaluated at compile-time. + - Unlike runtime globals, `comptime global`s can be mutable. +- `comptime { ... }` to execute a block of statements during compile-time. +- `comptime let` to define a variable whose value is evaluated at compile-time. +- `comptime for` to run a for loop at compile-time. Syntax sugar for `comptime { for .. }`. + +### Scoping + +Note that while in a `comptime` context, any runtime variables _local to the current function_ are never visible. + +### Evaluating + +Evaluation rules of `comptime` follows the normal unconstrained evaluation rules for other Noir code. There are a few things to note though: + +- Certain built-in functions may not be available, although more may be added over time. +- Evaluation order of global items is currently unspecified. For example, given the following two functions we can't guarantee +which `println` will execute first. The ordering of the two printouts will be arbitrary, but should be stable across multiple compilations with the same `nargo` version as long as the program is also unchanged. + +```rust +fn one() { + comptime { println("one"); } +} + +fn two() { + comptime { println("two"); } +} +``` + +- Since evaluation order is unspecified, care should be taken when using mutable globals so that they do not rely on a particular ordering. +For example, using globals to generate unique ids should be fine but relying on certain ids always being produced (especially after edits to the program) should be avoided. +- Although most ordering of globals is unspecified, two are: + - Dependencies of a crate will always be evaluated before the dependent crate. + - Any annotations on a function will be run before the function itself is resolved. This is to allow the annotation to modify the function if necessary. Note that if the + function itself was called at compile-time previously, it will already be resolved and cannot be modified. To prevent accidentally calling functions you wish to modify + at compile-time, it may be helpful to sort your `comptime` annotation functions into a different crate along with any dependencies they require. + +### Lowering + +When a `comptime` value is used in runtime code it must be lowered into a runtime value. This means replacing the expression with the literal that it evaluated to. For example, the code: + +```rust +struct Foo { array: [Field; 2], len: u32 } + +fn main() { + println(comptime { + let mut foo = std::mem::zeroed::(); + foo.array[0] = 4; + foo.len = 1; + foo + }); +} +``` + +will be converted to the following after `comptime` expressions are evaluated: + +```rust +struct Foo { array: [Field; 2], len: u32 } + +fn main() { + println(Foo { array: [4, 0], len: 1 }); +} +``` + +Not all types of values can be lowered. For example, `Type`s and `TypeDefinition`s (among other types) cannot be lowered at all. + +```rust +fn main() { + // There's nothing we could inline here to create a Type value at runtime + // let _ = get_type!(); +} + +comptime fn get_type() -> Type { ... } +``` + +--- + +## (Quasi) Quote + +Macros in Noir are `comptime` functions which return code as a value which is inserted into the call site when it is lowered there. +A code value in this case is of type `Quoted` and can be created by a `quote { ... }` expression. +More specifically, the code value `quote` creates is a token stream - a representation of source code as a series of words, numbers, string literals, or operators. +For example, the expression `quote { Hi "there reader"! }` would quote three tokens: the word "hi", the string "there reader", and an exclamation mark. +You'll note that snippets that would otherwise be invalid syntax can still be quoted. + +When a `Quoted` value is used in runtime code, it is lowered into a `quote { ... }` expression. Since this expression is only valid +in compile-time code however, we'd get an error if we tried this. Instead, we can use macro insertion to insert each token into the +program at that point, and parse it as an expression. To do this, we have to add a `!` after the function name returning the `Quoted` value. +If the value was created locally and there is no function returning it, `std::meta::unquote!(_)` can be used instead. +Calling such a function at compile-time without `!` will just return the `Quoted` value to be further manipulated. For example: + +```rust title="quote-example" showLineNumbers +comptime fn quote_one() -> Quoted { + quote { 1 } + } + + #[test] + fn returning_versus_macro_insertion() { + comptime { + // let _a: Quoted = quote { 1 }; + let _a: Quoted = quote_one(); + + // let _b: Field = 1; + let _b: Field = quote_one!(); + + // Since integers default to fields, if we + // want a different type we have to explicitly cast + // let _c: i32 = 1 as i32; + let _c: i32 = quote_one!() as i32; + } + } +``` +> Source code: noir_stdlib/src/meta/mod.nr#L120-L140 + + +For those familiar with quoting from other languages (primarily lisps), Noir's `quote` is actually a _quasiquote_. +This means we can escape the quoting by using the unquote operator to splice values in the middle of quoted code. + +## Unquote + +The unquote operator `$` is usable within a `quote` expression. +It takes a variable as an argument, evaluates the variable, and splices the resulting value into the quoted token stream at that point. For example, + +```rust +comptime { + let x = 1 + 2; + let y = quote { $x + 4 }; +} +``` + +The value of `y` above will be the token stream containing `3`, `+`, and `4`. We can also use this to combine `Quoted` values into larger token streams: + +```rust +comptime { + let x = quote { 1 + 2 }; + let y = quote { $x + 4 }; +} +``` + +The value of `y` above is now the token stream containing five tokens: `1 + 2 + 4`. + +Note that to unquote something, a variable name _must_ follow the `$` operator in a token stream. +If it is an expression (even a parenthesized one), it will do nothing. Most likely a parse error will be given when the macro is later unquoted. + +Unquoting can also be avoided by escaping the `$` with a backslash: + +``` +comptime { + let x = quote { 1 + 2 }; + + // y contains the four tokens: `$x + 4` + let y = quote { \$x + 4 }; +} +``` + +--- + +## Annotations + +Annotations provide a way to run a `comptime` function on an item in the program. +When you use an annotation, the function with the same name will be called with that item as an argument: + +```rust +#[my_struct_annotation] +struct Foo {} + +comptime fn my_struct_annotation(s: StructDefinition) { + println("Called my_struct_annotation!"); +} + +#[my_function_annotation] +fn foo() {} + +comptime fn my_function_annotation(f: FunctionDefinition) { + println("Called my_function_annotation!"); +} +``` + +Anything returned from one of these functions will be inserted at top-level along with the original item. +Note that expressions are not valid at top-level so you'll get an error trying to return `3` or similar just as if you tried to write a program containing `3; struct Foo {}`. +You can insert other top-level items such as trait impls, structs, or functions this way though. +For example, this is the mechanism used to insert additional trait implementations into the program when deriving a trait impl from a struct: + +```rust title="derive-field-count-example" showLineNumbers +trait FieldCount { + fn field_count() -> u32; + } + + #[derive_field_count] + struct Bar { + x: Field, + y: [Field; 2], + } + + comptime fn derive_field_count(s: StructDefinition) -> Quoted { + let typ = s.as_type(); + let field_count = s.fields().len(); + quote { + impl FieldCount for $typ { + fn field_count() -> u32 { + $field_count + } + } + } + } +``` +> Source code: noir_stdlib/src/meta/mod.nr#L142-L164 + + +### Calling annotations with additional arguments + +Arguments may optionally be given to annotations. +When this is done, these additional arguments are passed to the annotation function after the item argument. + +```rust title="annotation-arguments-example" showLineNumbers +#[assert_field_is_type(quote { i32 }.as_type())] + struct MyStruct { + my_field: i32, + } + + comptime fn assert_field_is_type(s: StructDefinition, typ: Type) { + // Assert the first field in `s` has type `typ` + let fields = s.fields(); + assert_eq(fields[0].1, typ); + } +``` +> Source code: noir_stdlib/src/meta/mod.nr#L166-L177 + + +We can also take any number of arguments by adding the `varargs` annotation: + +```rust title="annotation-varargs-example" showLineNumbers +#[assert_three_args(1, 2, 3)] + struct MyOtherStruct { + my_other_field: u32, + } + + #[varargs] + comptime fn assert_three_args(_s: StructDefinition, args: [Field]) { + assert_eq(args.len(), 3); + } +``` +> Source code: noir_stdlib/src/meta/mod.nr#L179-L189 + + +--- + +## Comptime API + +Although `comptime`, `quote`, and unquoting provide a flexible base for writing macros, +Noir's true metaprogramming ability comes from being able to interact with the compiler through a compile-time API. +This API can be accessed through built-in functions in `std::meta` as well as on methods of several `comptime` types. + +The following is an incomplete list of some `comptime` types along with some useful methods on them. You can see more in the standard library [Metaprogramming section](../standard_library/meta). + +- `Quoted`: A token stream +- `Type`: The type of a Noir type + - `fn implements(self, constraint: TraitConstraint) -> bool` + - Returns true if `self` implements the given trait constraint +- `Expr`: A syntactically valid expression. Can be used to recur on a program's parse tree to inspect how it is structured. + - Methods: + - `fn as_function_call(self) -> Option<(Expr, [Expr])>` + - If this is a function call expression, return `(function, arguments)` + - `fn as_block(self) -> Option<[Expr]>` + - If this is a block, return each statement in the block +- `FunctionDefinition`: A function definition + - Methods: + - `fn parameters(self) -> [(Quoted, Type)]` + - Returns a slice of `(name, type)` pairs for each parameter +- `StructDefinition`: A struct definition + - Methods: + - `fn as_type(self) -> Type` + - Returns this `StructDefinition` as a `Type`. Any generics are kept as-is + - `fn generics(self) -> [Quoted]` + - Return the name of each generic on this struct + - `fn fields(self) -> [(Quoted, Type)]` + - Return the name and type of each field +- `TraitConstraint`: A trait constraint such as `From` +- `TypedExpr`: A type-checked expression. +- `UnresolvedType`: A syntactic notation that refers to a Noir type that hasn't been resolved yet + +There are many more functions available by exploring the `std::meta` module and its submodules. +Using these methods is the key to writing powerful metaprogramming libraries. + +### `#[use_callers_scope]` + +Since certain functions such as `Quoted::as_type`, `Expression::as_type`, or `Quoted::as_trait_constraint` will attempt +to resolve their contents in a particular scope - it can be useful to change the scope they resolve in. By default +these functions will resolve in the current function's scope which is usually the attribute function they are called in. +If you're working on a library however, this may be a completely different module or crate to the item you're trying to +use the attribute on. If you want to be able to use `Quoted::as_type` to refer to types local to the caller's scope for +example, you can annotate your attribute function with `#[use_callers_scope]`. This will ensure your attribute, and any +closures it uses, can refer to anything in the caller's scope. `#[use_callers_scope]` also works recursively. So if both +your attribute function and a helper function it calls use it, then they can both refer to the same original caller. + +--- + +## Example: Derive + +Using all of the above, we can write a `derive` macro that behaves similarly to Rust's but is not built into the language. +From the user's perspective it will look like this: + +```rust +// Example usage +#[derive(Default, Eq, Ord)] +struct MyStruct { my_field: u32 } +``` + +To implement `derive` we'll have to create a `comptime` function that accepts +a variable amount of traits. + +```rust title="derive_example" showLineNumbers +// These are needed for the unconstrained hashmap we're using to store derive functions +use crate::collections::umap::UHashMap; +use crate::hash::BuildHasherDefault; +use crate::hash::poseidon2::Poseidon2Hasher; + +// A derive function is one that given a struct definition can +// create us a quoted trait impl from it. +pub type DeriveFunction = fn(StructDefinition) -> Quoted; + +// We'll keep a global HANDLERS map to keep track of the derive handler for each trait +comptime mut global HANDLERS: UHashMap> = + UHashMap::default(); + +// Given a struct and a slice of traits to derive, create trait impls for each. +// This function is as simple as iterating over the slice, checking if we have a trait +// handler registered for the given trait, calling it, and appending the result. +#[varargs] +pub comptime fn derive(s: StructDefinition, traits: [TraitDefinition]) -> Quoted { + let mut result = quote {}; + + for trait_to_derive in traits { + let handler = unsafe { HANDLERS.get(trait_to_derive) }; + assert(handler.is_some(), f"No derive function registered for `{trait_to_derive}`"); + + let trait_impl = handler.unwrap()(s); + result = quote { $result $trait_impl }; + } + + result +} +``` +> Source code: noir_stdlib/src/meta/mod.nr#L31-L64 + + +Registering a derive function could be done as follows: + +```rust title="derive_via" showLineNumbers +// To register a handler for a trait, just add it to our handlers map +pub comptime fn derive_via(t: TraitDefinition, f: DeriveFunction) { + HANDLERS.insert(t, f); +} +``` +> Source code: noir_stdlib/src/meta/mod.nr#L66-L73 + + +```rust title="big-derive-usage-example" showLineNumbers +// Finally, to register a handler we call the above function as an annotation + // with our handler function. + #[derive_via(derive_do_nothing)] + trait DoNothing { + fn do_nothing(self); + } + + comptime fn derive_do_nothing(s: StructDefinition) -> Quoted { + // This is simplified since we don't handle generics or where clauses! + // In a real example we'd likely also need to introduce each of + // `s.generics()` as well as a trait constraint for each generic + // to ensure they also implement the trait. + let typ = s.as_type(); + quote { + impl DoNothing for $typ { + fn do_nothing(self) { + // Traits can't tell us what to do + println("something"); + } + } + } + } + + // Since `DoNothing` is a simple trait which: + // 1. Only has one method + // 2. Does not have any generics on the trait itself + // We can use `std::meta::make_trait_impl` to help us out. + // This helper function will generate our impl for us along with any + // necessary where clauses and still provides a flexible interface + // for us to work on each field on the struct. + comptime fn derive_do_nothing_alt(s: StructDefinition) -> Quoted { + let trait_name = quote { DoNothing }; + let method_signature = quote { fn do_nothing(self) }; + + // Call `do_nothing` recursively on each field in the struct + let for_each_field = |field_name| quote { self.$field_name.do_nothing(); }; + + // Some traits like Eq want to join each field expression with something like `&`. + // We don't need that here + let join_fields_with = quote {}; + + // The body function is a spot to insert any extra setup/teardown needed. + // We'll insert our println here. Since we recur on each field, we should see + // one println for the struct itself, followed by a println for every field (recursively). + let body = |body| quote { + println("something"); + $body + }; + crate::meta::make_trait_impl( + s, + trait_name, + method_signature, + for_each_field, + join_fields_with, + body, + ) + } +``` +> Source code: noir_stdlib/src/meta/mod.nr#L191-L249 + diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/control_flow.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/control_flow.md new file mode 100644 index 00000000000..b365bb22728 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/control_flow.md @@ -0,0 +1,79 @@ +--- +title: Control Flow +description: + Learn how to use loops and if expressions in the Noir programming language. Discover the syntax + and examples for for loops and if-else statements. +keywords: [Noir programming language, loops, for loop, if-else statements, Rust syntax] +sidebar_position: 2 +--- + +## If Expressions + +Noir supports `if-else` statements. The syntax is most similar to Rust's where it is not required +for the statement's conditional to be surrounded by parentheses. + +```rust +let a = 0; +let mut x: u32 = 0; + +if a == 0 { + if a != 0 { + x = 6; + } else { + x = 2; + } +} else { + x = 5; + assert(x == 5); +} +assert(x == 2); +``` + +## Loops + +Noir has one kind of loop: the `for` loop. `for` loops allow you to repeat a block of code multiple +times. + +The following block of code between the braces is run 10 times. + +```rust +for i in 0..10 { + // do something +} +``` + +Alternatively, `start..=end` can be used for a range that is inclusive on both ends. + +The index for loops is of type `u64`. + +### Break and Continue + +In unconstrained code, `break` and `continue` are also allowed in `for` loops. These are only allowed +in unconstrained code since normal constrained code requires that Noir knows exactly how many iterations +a loop may have. `break` and `continue` can be used like so: + +```rust +for i in 0 .. 10 { + println("Iteration start") + + if i == 2 { + continue; + } + + if i == 5 { + break; + } + + println(i); +} +println("Loop end") +``` + +When used, `break` will end the current loop early and jump to the statement after the for loop. In the example +above, the `break` will stop the loop and jump to the `println("Loop end")`. + +`continue` will stop the current iteration of the loop, and jump to the start of the next iteration. In the example +above, `continue` will jump to `println("Iteration start")` when used. Note that the loop continues as normal after this. +The iteration variable `i` is still increased by one as normal when `continue` is used. + +`break` and `continue` cannot currently be used to jump out of more than a single loop at a time. diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/data_bus.mdx b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/data_bus.mdx new file mode 100644 index 00000000000..e55e58622ce --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/data_bus.mdx @@ -0,0 +1,23 @@ +--- +title: Data Bus +sidebar_position: 13 +--- +import Experimental from '@site/src/components/Notes/_experimental.mdx'; + + + +The data bus is an optimization that the backend can use to make recursion more efficient. +In order to use it, you must define some inputs of the program entry points (usually the `main()` +function) with the `call_data` modifier, and the return values with the `return_data` modifier. +These modifiers are incompatible with `pub` and `mut` modifiers. + +## Example + +```rust +fn main(mut x: u32, y: call_data u32, z: call_data [u32;4] ) -> return_data u32 { + let a = z[x]; + a+y +} +``` + +As a result, both call_data and return_data will be treated as private inputs and encapsulated into a read-only array each, for the backend to process. diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/data_types/_category_.json b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/data_types/_category_.json new file mode 100644 index 00000000000..5d694210bbf --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/data_types/_category_.json @@ -0,0 +1,5 @@ +{ + "position": 0, + "collapsible": true, + "collapsed": true +} diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/data_types/arrays.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/data_types/arrays.md new file mode 100644 index 00000000000..289145a8c4d --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/data_types/arrays.md @@ -0,0 +1,276 @@ +--- +title: Arrays +description: + Dive into the Array data type in Noir. Grasp its methods, practical examples, and best practices for efficiently using Arrays in your Noir code. +keywords: + [ + noir, + array type, + methods, + examples, + indexing, + ] +sidebar_position: 4 +--- + +An array is one way of grouping together values into one compound type. Array types can be inferred +or explicitly specified via the syntax `[; ]`: + +```rust +fn main(x : Field, y : Field) { + let my_arr = [x, y]; + let your_arr: [Field; 2] = [x, y]; +} +``` + +Here, both `my_arr` and `your_arr` are instantiated as an array containing two `Field` elements. + +Array elements can be accessed using indexing: + +```rust +fn main() { + let a = [1, 2, 3, 4, 5]; + + let first = a[0]; + let second = a[1]; +} +``` + +All elements in an array must be of the same type (i.e. homogeneous). That is, an array cannot group +a `Field` value and a `u8` value together for example. + +You can write mutable arrays, like: + +```rust +fn main() { + let mut arr = [1, 2, 3, 4, 5]; + assert(arr[0] == 1); + + arr[0] = 42; + assert(arr[0] == 42); +} +``` + +You can instantiate a new array of a fixed size with the same value repeated for each element. The following example instantiates an array of length 32 where each element is of type Field and has the value 0. + +```rust +let array: [Field; 32] = [0; 32]; +``` + +Like in Rust, arrays in Noir are a fixed size. However, if you wish to convert an array to a [slice](./slices.mdx), you can just call `as_slice` on your array: + +```rust +let array: [Field; 32] = [0; 32]; +let sl = array.as_slice() +``` + +You can define multidimensional arrays: + +```rust +let array : [[Field; 2]; 2]; +let element = array[0][0]; +``` + +However, multidimensional slices are not supported. For example, the following code will error at compile time: + +```rust +let slice : [[Field]] = &[]; +``` + +## Types + +You can create arrays of primitive types or structs. There is not yet support for nested arrays +(arrays of arrays) or arrays of structs that contain arrays. + +## Methods + +For convenience, the STD provides some ready-to-use, common methods for arrays. +Each of these functions are located within the generic impl `impl [T; N] {`. +So anywhere `self` appears, it refers to the variable `self: [T; N]`. + +### len + +Returns the length of an array + +```rust +fn len(self) -> Field +``` + +example + +```rust +fn main() { + let array = [42, 42]; + assert(array.len() == 2); +} +``` + +### sort + +Returns a new sorted array. The original array remains untouched. Notice that this function will +only work for arrays of fields or integers, not for any arbitrary type. This is because the sorting +logic it uses internally is optimized specifically for these values. If you need a sort function to +sort any type, you should use the function `sort_via` described below. + +```rust +fn sort(self) -> [T; N] +``` + +example + +```rust +fn main() { + let arr = [42, 32]; + let sorted = arr.sort(); + assert(sorted == [32, 42]); +} +``` + +### sort_via + +Sorts the array with a custom comparison function. The ordering function must return true if the first argument should be sorted to be before the second argument or is equal to the second argument. + +Using this method with an operator like `<` that does not return `true` for equal values will result in an assertion failure for arrays with equal elements. + +```rust +fn sort_via(self, ordering: fn(T, T) -> bool) -> [T; N] +``` + +example + +```rust +fn main() { + let arr = [42, 32] + let sorted_ascending = arr.sort_via(|a, b| a <= b); + assert(sorted_ascending == [32, 42]); // verifies + + let sorted_descending = arr.sort_via(|a, b| a >= b); + assert(sorted_descending == [32, 42]); // does not verify +} +``` + +### map + +Applies a function to each element of the array, returning a new array containing the mapped elements. + +```rust +fn map(self, f: fn(T) -> U) -> [U; N] +``` + +example + +```rust +let a = [1, 2, 3]; +let b = a.map(|a| a * 2); // b is now [2, 4, 6] +``` + +### fold + +Applies a function to each element of the array, returning the final accumulated value. The first +parameter is the initial value. + +```rust +fn fold(self, mut accumulator: U, f: fn(U, T) -> U) -> U +``` + +This is a left fold, so the given function will be applied to the accumulator and first element of +the array, then the second, and so on. For a given call the expected result would be equivalent to: + +```rust +let a1 = [1]; +let a2 = [1, 2]; +let a3 = [1, 2, 3]; + +let f = |a, b| a - b; +a1.fold(10, f) //=> f(10, 1) +a2.fold(10, f) //=> f(f(10, 1), 2) +a3.fold(10, f) //=> f(f(f(10, 1), 2), 3) +``` + +example: + +```rust + +fn main() { + let arr = [2, 2, 2, 2, 2]; + let folded = arr.fold(0, |a, b| a + b); + assert(folded == 10); +} + +``` + +### reduce + +Same as fold, but uses the first element as the starting element. + +Requires `self` to be non-empty. + +```rust +fn reduce(self, f: fn(T, T) -> T) -> T +``` + +example: + +```rust +fn main() { + let arr = [2, 2, 2, 2, 2]; + let reduced = arr.reduce(|a, b| a + b); + assert(reduced == 10); +} +``` + +### all + +Returns true if all the elements satisfy the given predicate + +```rust +fn all(self, predicate: fn(T) -> bool) -> bool +``` + +example: + +```rust +fn main() { + let arr = [2, 2, 2, 2, 2]; + let all = arr.all(|a| a == 2); + assert(all); +} +``` + +### any + +Returns true if any of the elements satisfy the given predicate + +```rust +fn any(self, predicate: fn(T) -> bool) -> bool +``` + +example: + +```rust +fn main() { + let arr = [2, 2, 2, 2, 5]; + let any = arr.any(|a| a == 5); + assert(any); +} +``` + +### as_str_unchecked + +Converts a byte array of type `[u8; N]` to a string. Note that this performs no UTF-8 validation - +the given array is interpreted as-is as a string. + +```rust +impl [u8; N] { + pub fn as_str_unchecked(self) -> str +} +``` + +example: + +```rust +fn main() { + let hi = [104, 105].as_str_unchecked(); + assert_eq(hi, "hi"); +} +``` diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/data_types/booleans.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/data_types/booleans.md new file mode 100644 index 00000000000..2507af710e7 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/data_types/booleans.md @@ -0,0 +1,28 @@ +--- +title: Booleans +description: + Delve into the Boolean data type in Noir. Understand its methods, practical examples, and best practices for using Booleans in your Noir programs. +keywords: + [ + noir, + boolean type, + methods, + examples, + logical operations, + ] +sidebar_position: 2 +--- + + +The `bool` type in Noir has two possible values: `true` and `false`: + +```rust +fn main() { + let t = true; + let f: bool = false; +} +``` + +The boolean type is most commonly used in conditionals like `if` expressions and `assert` +statements. More about conditionals is covered in the [Control Flow](../control_flow.md) and +[Assert Function](../assert.md) sections. diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/data_types/fields.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/data_types/fields.md new file mode 100644 index 00000000000..b9b56f7ecc3 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/data_types/fields.md @@ -0,0 +1,246 @@ +--- +title: Fields +description: + Dive deep into the Field data type in Noir. Understand its methods, practical examples, and best practices to effectively use Fields in your Noir programs. +keywords: + [ + noir, + field type, + methods, + examples, + best practices, + ] +sidebar_position: 0 +--- + +The field type corresponds to the native field type of the proving backend. + +The size of a Noir field depends on the elliptic curve's finite field for the proving backend +adopted. For example, a field would be a 254-bit integer when paired with the default backend that +spans the Grumpkin curve. + +Fields support integer arithmetic and are often used as the default numeric type in Noir: + +```rust +fn main(x : Field, y : Field) { + let z = x + y; +} +``` + +`x`, `y` and `z` are all private fields in this example. Using the `let` keyword we defined a new +private value `z` constrained to be equal to `x + y`. + +If proving efficiency is of priority, fields should be used as a default for solving problems. +Smaller integer types (e.g. `u64`) incur extra range constraints. + +## Methods + +After declaring a Field, you can use these common methods on it: + +### to_le_bits + +Transforms the field into an array of bits, Little Endian. + +```rust title="to_le_bits" showLineNumbers +pub fn to_le_bits(self: Self) -> [u1; N] {} +``` +> Source code: noir_stdlib/src/field/mod.nr#L32-L34 + + +example: + +```rust title="to_le_bits_example" showLineNumbers +fn test_to_le_bits() { + let field = 2; + let bits: [u1; 8] = field.to_le_bits(); + assert_eq(bits, [0, 1, 0, 0, 0, 0, 0, 0]); + } +``` +> Source code: noir_stdlib/src/field/mod.nr#L276-L282 + + + +### to_be_bits + +Transforms the field into an array of bits, Big Endian. + +```rust title="to_be_bits" showLineNumbers +pub fn to_be_bits(self: Self) -> [u1; N] {} +``` +> Source code: noir_stdlib/src/field/mod.nr#L48-L50 + + +example: + +```rust title="to_be_bits_example" showLineNumbers +fn test_to_be_bits() { + let field = 2; + let bits: [u1; 8] = field.to_be_bits(); + assert_eq(bits, [0, 0, 0, 0, 0, 0, 1, 0]); + } +``` +> Source code: noir_stdlib/src/field/mod.nr#L267-L273 + + + +### to_le_bytes + +Transforms into an array of bytes, Little Endian + +```rust title="to_le_bytes" showLineNumbers +pub fn to_le_bytes(self: Self) -> [u8; N] { +``` +> Source code: noir_stdlib/src/field/mod.nr#L61-L63 + + +example: + +```rust title="to_le_bytes_example" showLineNumbers +fn test_to_le_bytes() { + let field = 2; + let bytes: [u8; 8] = field.to_le_bytes(); + assert_eq(bytes, [2, 0, 0, 0, 0, 0, 0, 0]); + assert_eq(Field::from_le_bytes::<8>(bytes), field); + } +``` +> Source code: noir_stdlib/src/field/mod.nr#L295-L302 + + +### to_be_bytes + +Transforms into an array of bytes, Big Endian + +```rust title="to_be_bytes" showLineNumbers +pub fn to_be_bytes(self: Self) -> [u8; N] { +``` +> Source code: noir_stdlib/src/field/mod.nr#L94-L96 + + +example: + +```rust title="to_be_bytes_example" showLineNumbers +fn test_to_be_bytes() { + let field = 2; + let bytes: [u8; 8] = field.to_be_bytes(); + assert_eq(bytes, [0, 0, 0, 0, 0, 0, 0, 2]); + assert_eq(Field::from_be_bytes::<8>(bytes), field); + } +``` +> Source code: noir_stdlib/src/field/mod.nr#L285-L292 + + + +### to_le_radix + +Decomposes into an array over the specified base, Little Endian + +```rust title="to_le_radix" showLineNumbers +pub fn to_le_radix(self: Self, radix: u32) -> [u8; N] { + // Brillig does not need an immediate radix + if !crate::runtime::is_unconstrained() { + crate::assert_constant(radix); + } + self.__to_le_radix(radix) + } +``` +> Source code: noir_stdlib/src/field/mod.nr#L118-L126 + + + +example: + +```rust title="to_le_radix_example" showLineNumbers +fn test_to_le_radix() { + let field = 2; + let bytes: [u8; 8] = field.to_le_radix(256); + assert_eq(bytes, [2, 0, 0, 0, 0, 0, 0, 0]); + assert_eq(Field::from_le_bytes::<8>(bytes), field); + } +``` +> Source code: noir_stdlib/src/field/mod.nr#L315-L322 + + + +### to_be_radix + +Decomposes into an array over the specified base, Big Endian + +```rust title="to_be_radix" showLineNumbers +pub fn to_be_radix(self: Self, radix: u32) -> [u8; N] { + // Brillig does not need an immediate radix + if !crate::runtime::is_unconstrained() { + crate::assert_constant(radix); + } + self.__to_be_radix(radix) + } +``` +> Source code: noir_stdlib/src/field/mod.nr#L128-L136 + + +example: + +```rust title="to_be_radix_example" showLineNumbers +fn test_to_be_radix() { + let field = 2; + let bytes: [u8; 8] = field.to_be_radix(256); + assert_eq(bytes, [0, 0, 0, 0, 0, 0, 0, 2]); + assert_eq(Field::from_be_bytes::<8>(bytes), field); + } +``` +> Source code: noir_stdlib/src/field/mod.nr#L305-L312 + + + +### pow_32 + +Returns the value to the power of the specified exponent + +```rust +fn pow_32(self, exponent: Field) -> Field +``` + +example: + +```rust +fn main() { + let field = 2 + let pow = field.pow_32(4); + assert(pow == 16); +} +``` + +### assert_max_bit_size + +Adds a constraint to specify that the field can be represented with `bit_size` number of bits + +```rust title="assert_max_bit_size" showLineNumbers +pub fn assert_max_bit_size(self) { +``` +> Source code: noir_stdlib/src/field/mod.nr#L10-L12 + + +example: + +```rust +fn main() { + let field = 2 + field.assert_max_bit_size(32); +} +``` + +### sgn0 + +Parity of (prime) Field element, i.e. sgn0(x mod p) = 0 if x ∈ \{0, ..., p-1\} is even, otherwise sgn0(x mod p) = 1. + +```rust +fn sgn0(self) -> u1 +``` + + +### lt + +Returns true if the field is less than the other field + +```rust +pub fn lt(self, another: Field) -> bool +``` diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/data_types/function_types.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/data_types/function_types.md new file mode 100644 index 00000000000..f6121af17e2 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/data_types/function_types.md @@ -0,0 +1,26 @@ +--- +title: Function types +sidebar_position: 10 +--- + +Noir supports higher-order functions. The syntax for a function type is as follows: + +```rust +fn(arg1_type, arg2_type, ...) -> return_type +``` + +Example: + +```rust +fn assert_returns_100(f: fn() -> Field) { // f takes no args and returns a Field + assert(f() == 100); +} + +fn main() { + assert_returns_100(|| 100); // ok + assert_returns_100(|| 150); // fails +} +``` + +A function type also has an optional capture environment - this is necessary to support closures. +See [Lambdas](../lambdas.md) for more details. diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/data_types/index.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/data_types/index.md new file mode 100644 index 00000000000..0f2db2b2d75 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/data_types/index.md @@ -0,0 +1,126 @@ +--- +title: Data Types +description: + Get a clear understanding of the two categories of Noir data types - primitive types and compound + types. Learn about their characteristics, differences, and how to use them in your Noir + programming. +keywords: + [ + noir, + data types, + primitive types, + compound types, + private types, + public types, + ] +--- + +Every value in Noir has a type, which determines which operations are valid for it. + +All values in Noir are fundamentally composed of `Field` elements. For a more approachable +developing experience, abstractions are added on top to introduce different data types in Noir. + +Noir has two category of data types: primitive types (e.g. `Field`, integers, `bool`) and compound +types that group primitive types (e.g. arrays, tuples, structs). Each value can either be private or +public. + +## Private & Public Types + +A **private value** is known only to the Prover, while a **public value** is known by both the +Prover and Verifier. Mark values as `private` when the value should only be known to the prover. All +primitive types (including individual fields of compound types) in Noir are private by default, and +can be marked public when certain values are intended to be revealed to the Verifier. + +> **Note:** For public values defined in Noir programs paired with smart contract verifiers, once +> the proofs are verified on-chain the values can be considered known to everyone that has access to +> that blockchain. + +Public data types are treated no differently to private types apart from the fact that their values +will be revealed in proofs generated. Simply changing the value of a public type will not change the +circuit (where the same goes for changing values of private types as well). + +_Private values_ are also referred to as _witnesses_ sometimes. + +> **Note:** The terms private and public when applied to a type (e.g. `pub Field`) have a different +> meaning than when applied to a function (e.g. `pub fn foo() {}`). +> +> The former is a visibility modifier for the Prover to interpret if a value should be made known to +> the Verifier, while the latter is a visibility modifier for the compiler to interpret if a +> function should be made accessible to external Noir programs like in other languages. + +### pub Modifier + +All data types in Noir are private by default. Types are explicitly declared as public using the +`pub` modifier: + +```rust +fn main(x : Field, y : pub Field) -> pub Field { + x + y +} +``` + +In this example, `x` is **private** while `y` and `x + y` (the return value) are **public**. Note +that visibility is handled **per variable**, so it is perfectly valid to have one input that is +private and another that is public. + +> **Note:** Public types can only be declared through parameters on `main`. + +## Type Aliases + +A type alias is a new name for an existing type. Type aliases are declared with the keyword `type`: + +```rust +type Id = u8; + +fn main() { + let id: Id = 1; + let zero: u8 = 0; + assert(zero + 1 == id); +} +``` + +Type aliases can also be used with [generics](../generics.md): + +```rust +type Id = Size; + +fn main() { + let id: Id = 1; + let zero: u32 = 0; + assert(zero + 1 == id); +} +``` + +Type aliases can even refer to other aliases. An error will be issued if they form a cycle: + +```rust +// Ok! +type A = B; +type B = Field; + +type Bad1 = Bad2; + +// error: Dependency cycle found +type Bad2 = Bad1; +// ^^^^^^^^^^^ 'Bad2' recursively depends on itself: Bad2 -> Bad1 -> Bad2 +``` + +By default, like functions, type aliases are private to the module they exist in. You can use `pub` +to make the type alias public or `pub(crate)` to make it public to just its crate: + +```rust +// This type alias is now public +pub type Id = u8; +``` + +## Wildcard Type +Noir can usually infer the type of the variable from the context, so specifying the type of a variable is only required when it cannot be inferred. However, specifying a complex type can be tedious, especially when it has multiple generic arguments. Often some of the generic types can be inferred from the context, and Noir only needs a hint to properly infer the other types. We can partially specify a variable's type by using `_` as a marker, indicating where we still want the compiler to infer the type. + +```rust +let a: [_; 4] = foo(b); +``` + + +### BigInt + +You can achieve BigInt functionality using the [Noir BigInt](https://github.com/shuklaayush/noir-bigint) library. diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/data_types/integers.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/data_types/integers.md new file mode 100644 index 00000000000..a1d59bf3166 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/data_types/integers.md @@ -0,0 +1,156 @@ +--- +title: Integers +description: Explore the Integer data type in Noir. Learn about its methods, see real-world examples, and grasp how to efficiently use Integers in your Noir code. +keywords: [noir, integer types, methods, examples, arithmetic] +sidebar_position: 1 +--- + +An integer type is a range constrained field type. +The Noir frontend supports both unsigned and signed integer types. +The allowed sizes are 1, 8, 16, 32 and 64 bits. + +:::info + +When an integer is defined in Noir without a specific type, it will default to `Field`. + +The one exception is for loop indices which default to `u64` since comparisons on `Field`s are not possible. + +::: + +## Unsigned Integers + +An unsigned integer type is specified first with the letter `u` (indicating its unsigned nature) followed by its bit size (e.g. `8`): + +```rust +fn main() { + let x: u8 = 1; + let y: u8 = 1; + let z = x + y; + assert (z == 2); +} +``` + +The bit size determines the maximum value the integer type can store. For example, a `u8` variable can store a value in the range of 0 to 255 (i.e. $\\2^{8}-1\\$). + +## Signed Integers + +A signed integer type is specified first with the letter `i` (which stands for integer) followed by its bit size (e.g. `8`): + +```rust +fn main() { + let x: i8 = -1; + let y: i8 = -1; + let z = x + y; + assert (z == -2); +} +``` + +The bit size determines the maximum and minimum range of value the integer type can store. For example, an `i8` variable can store a value in the range of -128 to 127 (i.e. $\\-2^{7}\\$ to $\\2^{7}-1\\$). + +## 128 bits Unsigned Integers + +The built-in structure `U128` allows you to use 128-bit unsigned integers almost like a native integer type. However, there are some differences to keep in mind: +- You cannot cast between a native integer and `U128` +- There is a higher performance cost when using `U128`, compared to a native type. + +Conversion between unsigned integer types and U128 are done through the use of `from_integer` and `to_integer` functions. `from_integer` also accepts the `Field` type as input. + +```rust +fn main() { + let x = U128::from_integer(23); + let y = U128::from_hex("0x7"); + let z = x + y; + assert(z.to_integer() == 30); +} +``` + +`U128` is implemented with two 64 bits limbs, representing the low and high bits, which explains the performance cost. You should expect `U128` to be twice more costly for addition and four times more costly for multiplication. +You can construct a U128 from its limbs: +```rust +fn main(x: u64, y: u64) { + let x = U128::from_u64s_be(x,y); + assert(z.hi == x as Field); + assert(z.lo == y as Field); +} +``` + +Note that the limbs are stored as Field elements in order to avoid unnecessary conversions. +Apart from this, most operations will work as usual: + +```rust +fn main(x: U128, y: U128) { + // multiplication + let c = x * y; + // addition and subtraction + let c = c - x + y; + // division + let c = x / y; + // bit operation; + let c = x & y | y; + // bit shift + let c = x << y; + // comparisons; + let c = x < y; + let c = x == y; +} +``` + +## Overflows + +Computations that exceed the type boundaries will result in overflow errors. This happens with both signed and unsigned integers. For example, attempting to prove: + +```rust +fn main(x: u8, y: u8) { + let z = x + y; +} +``` + +With: + +```toml +x = "255" +y = "1" +``` + +Would result in: + +``` +$ nargo execute +error: Assertion failed: 'attempt to add with overflow' +┌─ ~/src/main.nr:9:13 +│ +│ let z = x + y; +│ ----- +│ += Call stack: + ... +``` + +A similar error would happen with signed integers: + +```rust +fn main() { + let x: i8 = -118; + let y: i8 = -11; + let z = x + y; +} +``` + +### Wrapping methods + +Although integer overflow is expected to error, some use-cases rely on wrapping. For these use-cases, the standard library provides `wrapping` variants of certain common operations: + +```rust +fn wrapping_add(x: T, y: T) -> T; +fn wrapping_sub(x: T, y: T) -> T; +fn wrapping_mul(x: T, y: T) -> T; +``` + +Example of how it is used: + +```rust + +fn main(x: u8, y: u8) -> pub u8 { + std::wrapping_add(x, y) +} +``` diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/data_types/references.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/data_types/references.md new file mode 100644 index 00000000000..a5293d11cfb --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/data_types/references.md @@ -0,0 +1,23 @@ +--- +title: References +sidebar_position: 9 +--- + +Noir supports first-class references. References are a bit like pointers: they point to a specific address that can be followed to access the data stored at that address. You can use Rust-like syntax to use pointers in Noir: the `&` operator references the variable, the `*` operator dereferences it. + +Example: + +```rust +fn main() { + let mut x = 2; + + // you can reference x as &mut and pass it to multiplyBy2 + multiplyBy2(&mut x); +} + +// you can access &mut here +fn multiplyBy2(x: &mut Field) { + // and dereference it with * + *x = *x * 2; +} +``` diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/data_types/slices.mdx b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/data_types/slices.mdx new file mode 100644 index 00000000000..cfee564a302 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/data_types/slices.mdx @@ -0,0 +1,358 @@ +--- +title: Slices +description: Explore the Slice data type in Noir. Understand its methods, see real-world examples, and learn how to effectively use Slices in your Noir programs. +keywords: [noir, slice type, methods, examples, subarrays] +sidebar_position: 5 +--- + +import Experimental from '@site/src/components/Notes/_experimental.mdx'; + + + +A slice is a dynamically-sized view into a sequence of elements. They can be resized at runtime, but because they don't own the data, they cannot be returned from a circuit. You can treat slices as arrays without a constrained size. + +```rust +fn main() -> pub u32 { + let mut slice: [Field] = &[0; 2]; + + let mut new_slice = slice.push_back(6); + new_slice.len() +} +``` + +To write a slice literal, use a preceding ampersand as in: `&[0; 2]` or +`&[1, 2, 3]`. + +It is important to note that slices are not references to arrays. In Noir, +`&[..]` is more similar to an immutable, growable vector. + +View the corresponding test file [here][test-file]. + +[test-file]: https://github.com/noir-lang/noir/blob/f387ec1475129732f72ba294877efdf6857135ac/crates/nargo_cli/tests/test_data_ssa_refactor/slices/src/main.nr + +## Methods + +For convenience, the STD provides some ready-to-use, common methods for slices: + +### push_back + +Pushes a new element to the end of the slice, returning a new slice with a length one greater than the original unmodified slice. + +```rust +fn push_back(_self: [T], _elem: T) -> [T] +``` + +example: + +```rust +fn main() -> pub Field { + let mut slice: [Field] = &[0; 2]; + + let mut new_slice = slice.push_back(6); + new_slice.len() +} +``` + +View the corresponding test file [here][test-file]. + +### push_front + +Returns a new array with the specified element inserted at index 0. The existing elements indexes are incremented by 1. + +```rust +fn push_front(_self: Self, _elem: T) -> Self +``` + +Example: + +```rust +let mut new_slice: [Field] = &[]; +new_slice = new_slice.push_front(20); +assert(new_slice[0] == 20); // returns true +``` + +View the corresponding test file [here][test-file]. + +### pop_front + +Returns a tuple of two items, the first element of the array and the rest of the array. + +```rust +fn pop_front(_self: Self) -> (T, Self) +``` + +Example: + +```rust +let (first_elem, rest_of_slice) = slice.pop_front(); +``` + +View the corresponding test file [here][test-file]. + +### pop_back + +Returns a tuple of two items, the beginning of the array with the last element omitted and the last element. + +```rust +fn pop_back(_self: Self) -> (Self, T) +``` + +Example: + +```rust +let (popped_slice, last_elem) = slice.pop_back(); +``` + +View the corresponding test file [here][test-file]. + +### append + +Loops over a slice and adds it to the end of another. + +```rust +fn append(mut self, other: Self) -> Self +``` + +Example: + +```rust +let append = &[1, 2].append(&[3, 4, 5]); +``` + +### insert + +Inserts an element at a specified index and shifts all following elements by 1. + +```rust +fn insert(_self: Self, _index: Field, _elem: T) -> Self +``` + +Example: + +```rust +new_slice = rest_of_slice.insert(2, 100); +assert(new_slice[2] == 100); +``` + +View the corresponding test file [here][test-file]. + +### remove + +Remove an element at a specified index, shifting all elements after it to the left, returning the altered slice and the removed element. + +```rust +fn remove(_self: Self, _index: Field) -> (Self, T) +``` + +Example: + +```rust +let (remove_slice, removed_elem) = slice.remove(3); +``` + +### len + +Returns the length of a slice + +```rust +fn len(self) -> Field +``` + +Example: + +```rust +fn main() { + let slice = &[42, 42]; + assert(slice.len() == 2); +} +``` + +### as_array + +Converts this slice into an array. + +Make sure to specify the size of the resulting array. +Panics if the resulting array length is different than the slice's length. + +```rust +fn as_array(self) -> [T; N] +``` + +Example: + +```rust +fn main() { + let slice = &[5, 6]; + + // Always specify the length of the resulting array! + let array: [Field; 2] = slice.as_array(); + + assert(array[0] == slice[0]); + assert(array[1] == slice[1]); +} +``` + +### map + +Applies a function to each element of the slice, returning a new slice containing the mapped elements. + +```rust +fn map(self, f: fn[Env](T) -> U) -> [U] +``` + +example + +```rust +let a = &[1, 2, 3]; +let b = a.map(|a| a * 2); // b is now &[2, 4, 6] +``` + +### fold + +Applies a function to each element of the slice, returning the final accumulated value. The first +parameter is the initial value. + +```rust +fn fold(self, mut accumulator: U, f: fn[Env](U, T) -> U) -> U +``` + +This is a left fold, so the given function will be applied to the accumulator and first element of +the slice, then the second, and so on. For a given call the expected result would be equivalent to: + +```rust +let a1 = &[1]; +let a2 = &[1, 2]; +let a3 = &[1, 2, 3]; + +let f = |a, b| a - b; +a1.fold(10, f) //=> f(10, 1) +a2.fold(10, f) //=> f(f(10, 1), 2) +a3.fold(10, f) //=> f(f(f(10, 1), 2), 3) +``` + +example: + +```rust + +fn main() { + let slice = &[2, 2, 2, 2, 2]; + let folded = slice.fold(0, |a, b| a + b); + assert(folded == 10); +} + +``` + +### reduce + +Same as fold, but uses the first element as the starting element. + +```rust +fn reduce(self, f: fn[Env](T, T) -> T) -> T +``` + +example: + +```rust +fn main() { + let slice = &[2, 2, 2, 2, 2]; + let reduced = slice.reduce(|a, b| a + b); + assert(reduced == 10); +} +``` + +### filter + +Returns a new slice containing only elements for which the given predicate returns true. + +```rust +fn filter(self, f: fn[Env](T) -> bool) -> Self +``` + +example: + +```rust +fn main() { + let slice = &[1, 2, 3, 4, 5]; + let odds = slice.filter(|x| x % 2 == 1); + assert_eq(odds, &[1, 3, 5]); +} +``` + +### join + +Flatten each element in the slice into one value, separated by `separator`. + +Note that although slices implement `Append`, `join` cannot be used on slice +elements since nested slices are prohibited. + +```rust +fn join(self, separator: T) -> T where T: Append +``` + +example: + +```rust +struct Accumulator { + total: Field, +} + +// "Append" two accumulators by adding them +impl Append for Accumulator { + fn empty() -> Self { + Self { total: 0 } + } + + fn append(self, other: Self) -> Self { + Self { total: self.total + other.total } + } +} + +fn main() { + let slice = &[1, 2, 3, 4, 5].map(|total| Accumulator { total }); + + let result = slice.join(Accumulator::empty()); + assert_eq(result, Accumulator { total: 15 }); + + // We can use a non-empty separator to insert additional elements to sum: + let separator = Accumulator { total: 10 }; + let result = slice.join(separator); + assert_eq(result, Accumulator { total: 55 }); +} +``` + +### all + +Returns true if all the elements satisfy the given predicate + +```rust +fn all(self, predicate: fn[Env](T) -> bool) -> bool +``` + +example: + +```rust +fn main() { + let slice = &[2, 2, 2, 2, 2]; + let all = slice.all(|a| a == 2); + assert(all); +} +``` + +### any + +Returns true if any of the elements satisfy the given predicate + +```rust +fn any(self, predicate: fn[Env](T) -> bool) -> bool +``` + +example: + +```rust +fn main() { + let slice = &[2, 2, 2, 2, 5]; + let any = slice.any(|a| a == 5); + assert(any); +} + +``` diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/data_types/strings.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/data_types/strings.md new file mode 100644 index 00000000000..1fdee42425e --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/data_types/strings.md @@ -0,0 +1,79 @@ +--- +title: Strings +description: + Discover the String data type in Noir. Learn about its methods, see real-world examples, and understand how to effectively manipulate and use Strings in Noir. +keywords: + [ + noir, + string type, + methods, + examples, + concatenation, + ] +sidebar_position: 3 +--- + + +The string type is a fixed length value defined with `str`. + +You can use strings in `assert()` functions or print them with +`println()`. See more about [Logging](../../standard_library/logging.md). + +```rust + +fn main(message : pub str<11>, hex_as_string : str<4>) { + println(message); + assert(message == "hello world"); + assert(hex_as_string == "0x41"); +} +``` + +You can convert a `str` to a byte array by calling `as_bytes()` +or a vector by calling `as_bytes_vec()`. + +```rust +fn main() { + let message = "hello world"; + let message_bytes = message.as_bytes(); + let mut message_vec = message.as_bytes_vec(); + assert(message_bytes.len() == 11); + assert(message_bytes[0] == 104); + assert(message_bytes[0] == message_vec.get(0)); +} +``` + +## Escape characters + +You can use escape characters for your strings: + +| Escape Sequence | Description | +|-----------------|-----------------| +| `\r` | Carriage Return | +| `\n` | Newline | +| `\t` | Tab | +| `\0` | Null Character | +| `\"` | Double Quote | +| `\\` | Backslash | + +Example: + +```rust +let s = "Hello \"world" // prints "Hello "world" +let s = "hey \tyou"; // prints "hey you" +``` + +## Raw strings + +A raw string begins with the letter `r` and is optionally delimited by a number of hashes `#`. + +Escape characters are *not* processed within raw strings. All contents are interpreted literally. + +Example: + +```rust +let s = r"Hello world"; +let s = r#"Simon says "hello world""#; + +// Any number of hashes may be used (>= 1) as long as the string also terminates with the same number of hashes +let s = r#####"One "#, Two "##, Three "###, Four "####, Five will end the string."#####; +``` diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/data_types/structs.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/data_types/structs.md new file mode 100644 index 00000000000..29951ae843a --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/data_types/structs.md @@ -0,0 +1,96 @@ +--- +title: Structs +description: + Explore the Struct data type in Noir. Learn about its methods, see real-world examples, and grasp how to effectively define and use Structs in your Noir programs. +keywords: + [ + noir, + struct type, + methods, + examples, + data structures, + ] +sidebar_position: 8 +--- + +A struct also allows for grouping multiple values of different types. Unlike tuples, we can also +name each field. + +> **Note:** The usage of _field_ here refers to each element of the struct and is unrelated to the +> field type of Noir. + +Defining a struct requires giving it a name and listing each field within as `: ` pairs: + +```rust +struct Animal { + hands: Field, + legs: Field, + eyes: u8, +} +``` + +An instance of a struct can then be created with actual values in `: ` pairs in any +order. Struct fields are accessible using their given names: + +```rust +fn main() { + let legs = 4; + + let dog = Animal { + eyes: 2, + hands: 0, + legs, + }; + + let zero = dog.hands; +} +``` + +Structs can also be destructured in a pattern, binding each field to a new variable: + +```rust +fn main() { + let Animal { hands, legs: feet, eyes } = get_octopus(); + + let ten = hands + feet + eyes as u8; +} + +fn get_octopus() -> Animal { + let octopus = Animal { + hands: 0, + legs: 8, + eyes: 2, + }; + + octopus +} +``` + +The new variables can be bound with names different from the original struct field names, as +showcased in the `legs --> feet` binding in the example above. + +### Visibility + +By default, like functions, structs are private to the module they exist in. You can use `pub` +to make the struct public or `pub(crate)` to make it public to just its crate: + +```rust +// This struct is now public +pub struct Animal { + hands: Field, + legs: Field, + eyes: u8, +} +``` + +The same applies to struct fields: by default they are private to the module they exist in, +but they can be made `pub` or `pub(crate)`: + +```rust +// This struct is now public +pub struct Animal { + hands: Field, // private to its module + pub(crate) legs: Field, // accessible from the entire crate + pub eyes: u8, // accessible from anywhere +} +``` \ No newline at end of file diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/data_types/tuples.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/data_types/tuples.md new file mode 100644 index 00000000000..2ec5c9c4113 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/data_types/tuples.md @@ -0,0 +1,48 @@ +--- +title: Tuples +description: + Dive into the Tuple data type in Noir. Understand its methods, practical examples, and best practices for efficiently using Tuples in your Noir code. +keywords: + [ + noir, + tuple type, + methods, + examples, + multi-value containers, + ] +sidebar_position: 7 +--- + +A tuple collects multiple values like an array, but with the added ability to collect values of +different types: + +```rust +fn main() { + let tup: (u8, u64, Field) = (255, 500, 1000); +} +``` + +One way to access tuple elements is via destructuring using pattern matching: + +```rust +fn main() { + let tup = (1, 2); + + let (one, two) = tup; + + let three = one + two; +} +``` + +Another way to access tuple elements is via direct member access, using a period (`.`) followed by +the index of the element we want to access. Index `0` corresponds to the first tuple element, `1` to +the second and so on: + +```rust +fn main() { + let tup = (5, 6, 7, 8); + + let five = tup.0; + let eight = tup.3; +} +``` diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/functions.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/functions.md new file mode 100644 index 00000000000..f656cdfd97a --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/functions.md @@ -0,0 +1,226 @@ +--- +title: Functions +description: + Learn how to declare functions and methods in Noir, a programming language with Rust semantics. + This guide covers parameter declaration, return types, call expressions, and more. +keywords: [Noir, Rust, functions, methods, parameter declaration, return types, call expressions] +sidebar_position: 1 +--- + +Functions in Noir follow the same semantics of Rust, though Noir does not support early returns. + +To declare a function the `fn` keyword is used. + +```rust +fn foo() {} +``` + +By default, functions are visible only within the package they are defined. To make them visible outside of that package (for example, as part of a [library](../modules_packages_crates/crates_and_packages.md#libraries)), you should mark them as `pub`: + +```rust +pub fn foo() {} +``` + +You can also restrict the visibility of the function to only the crate it was defined in, by specifying `pub(crate)`: + +```rust +pub(crate) fn foo() {} //foo can only be called within its crate +``` + +All parameters in a function must have a type and all types are known at compile time. The parameter +is pre-pended with a colon and the parameter type. Multiple parameters are separated using a comma. + +```rust +fn foo(x : Field, y : Field){} +``` + +The return type of a function can be stated by using the `->` arrow notation. The function below +states that the foo function must return a `Field`. If the function returns no value, then the arrow +is omitted. + +```rust +fn foo(x : Field, y : Field) -> Field { + x + y +} +``` + +Note that a `return` keyword is unneeded in this case - the last expression in a function's body is +returned. + +## Main function + +If you're writing a binary, the `main` function is the starting point of your program. You can pass all types of expressions to it, as long as they have a fixed size at compile time: + +```rust +fn main(x : Field) // this is fine: passing a Field +fn main(x : [Field; 2]) // this is also fine: passing a Field with known size at compile-time +fn main(x : (Field, bool)) // 👌: passing a (Field, bool) tuple means size 2 +fn main(x : str<5>) // this is fine, as long as you pass a string of size 5 + +fn main(x : Vec) // can't compile, has variable size +fn main(x : [Field]) // can't compile, has variable size +fn main(....// i think you got it by now +``` + +Keep in mind [tests](../../tooling/testing.md) don't differentiate between `main` and any other function. The following snippet passes tests, but won't compile or prove: + +```rust +fn main(x : [Field]) { + assert(x[0] == 1); +} + +#[test] +fn test_one() { + main(&[1, 2]); +} +``` + +```bash +$ nargo test +[testing] Running 1 test functions +[testing] Testing test_one... ok +[testing] All tests passed + +$ nargo check +The application panicked (crashed). +Message: Cannot have variable sized arrays as a parameter to main +``` + +## Call Expressions + +Calling a function in Noir is executed by using the function name and passing in the necessary +arguments. + +Below we show how to call the `foo` function from the `main` function using a call expression: + +```rust +fn main(x : Field, y : Field) { + let z = foo(x); +} + +fn foo(x : Field) -> Field { + x + x +} +``` + +## Methods + +You can define methods in Noir on any struct type in scope. + +```rust +struct MyStruct { + foo: Field, + bar: Field, +} + +impl MyStruct { + fn new(foo: Field) -> MyStruct { + MyStruct { + foo, + bar: 2, + } + } + + fn sum(self) -> Field { + self.foo + self.bar + } +} + +fn main() { + let s = MyStruct::new(40); + assert(s.sum() == 42); +} +``` + +Methods are just syntactic sugar for functions, so if we wanted to we could also call `sum` as +follows: + +```rust +assert(MyStruct::sum(s) == 42); +``` + +It is also possible to specialize which method is chosen depending on the [generic](./generics.md) type that is used. In this example, the `foo` function returns different values depending on its type: + +```rust +struct Foo {} + +impl Foo { + fn foo(self) -> Field { 1 } +} + +impl Foo { + fn foo(self) -> Field { 2 } +} + +fn main() { + let f1: Foo = Foo{}; + let f2: Foo = Foo{}; + assert(f1.foo() + f2.foo() == 3); +} +``` + +Also note that impls with the same method name defined in them cannot overlap. For example, if we already have `foo` defined for `Foo` and `Foo` like we do above, we cannot also define `foo` in an `impl Foo` since it would be ambiguous which version of `foo` to choose. + +```rust +// Including this impl in the same project as the above snippet would +// cause an overlapping impls error +impl Foo { + fn foo(self) -> Field { 3 } +} +``` + +## Lambdas + +Lambdas are anonymous functions. They follow the syntax of Rust - `|arg1, arg2, ..., argN| return_expression`. + +```rust +let add_50 = |val| val + 50; +assert(add_50(100) == 150); +``` + +See [Lambdas](./lambdas.md) for more details. + +## Attributes + +Attributes are metadata that can be applied to a function, using the following syntax: `#[attribute(value)]`. + +Supported attributes include: + +- **builtin**: the function is implemented by the compiler, for efficiency purposes. +- **deprecated**: mark the function as _deprecated_. Calling the function will generate a warning: `warning: use of deprecated function` +- **field**: Used to enable conditional compilation of code depending on the field size. See below for more details +- **oracle**: mark the function as _oracle_; meaning it is an external unconstrained function, implemented in noir_js. See [Unconstrained](./unconstrained.md) and [NoirJS](../../reference/NoirJS/noir_js/index.md) for more details. +- **test**: mark the function as unit tests. See [Tests](../../tooling/testing.md) for more details + +### Field Attribute + +The field attribute defines which field the function is compatible for. The function is conditionally compiled, under the condition that the field attribute matches the Noir native field. +The field can be defined implicitly, by using the name of the elliptic curve usually associated to it - for instance bn254, bls12_381 - or explicitly by using the field (prime) order, in decimal or hexadecimal form. +As a result, it is possible to define multiple versions of a function with each version specialized for a different field attribute. This can be useful when a function requires different parameters depending on the underlying elliptic curve. + +Example: we define the function `foo()` three times below. Once for the default Noir bn254 curve, once for the field $\mathbb F_{23}$, which will normally never be used by Noir, and once again for the bls12_381 curve. + +```rust +#[field(bn254)] +fn foo() -> u32 { + 1 +} + +#[field(23)] +fn foo() -> u32 { + 2 +} + +// This commented code would not compile as foo would be defined twice because it is the same field as bn254 +// #[field(21888242871839275222246405745257275088548364400416034343698204186575808495617)] +// fn foo() -> u32 { +// 2 +// } + +#[field(bls12_381)] +fn foo() -> u32 { + 3 +} +``` + +If the field name is not known to Noir, it will discard the function. Field names are case insensitive. diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/generics.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/generics.md new file mode 100644 index 00000000000..c180a0ce7e6 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/generics.md @@ -0,0 +1,251 @@ +--- +title: Generics +description: Learn how to use Generics in Noir +keywords: [Noir, Rust, generics, functions, structs] +sidebar_position: 7 +--- + +Generics allow you to use the same functions with multiple different concrete data types. You can +read more about the concept of generics in the Rust documentation +[here](https://doc.rust-lang.org/book/ch10-01-syntax.html). + +Here is a trivial example showing the identity function that supports any type. In Rust, it is +common to refer to the most general type as `T`. We follow the same convention in Noir. + +```rust +fn id(x: T) -> T { + x +} +``` + +## Numeric Generics + +If we want to be generic over array lengths (which are type-level integers), we can use numeric +generics. Using these looks similar to using regular generics, but introducing them into scope +requires declaring them with `let MyGenericName: IntegerType`. This can be done anywhere a normal +generic is declared. Instead of types, these generics resolve to integers at compile-time. +Here's an example of a struct that is generic over the size of the array it contains internally: + +```rust +struct BigInt { + limbs: [u32; N], +} + +impl BigInt { + // `N` is in scope of all methods in the impl + fn first(first: BigInt, second: BigInt) -> Self { + assert(first.limbs != second.limbs); + first + + fn second(first: BigInt, second: Self) -> Self { + assert(first.limbs != second.limbs); + second + } +} +``` + +## In Structs + +Generics are useful for specifying types in structs. For example, we can specify that a field in a +struct will be of a certain generic type. In this case `value` is of type `T`. + +```rust +struct RepeatedValue { + value: T, + count: Field, +} + +impl RepeatedValue { + fn print(self) { + for _i in 0 .. self.count { + println(self.value); + } + } +} + +fn main() { + let repeated = RepeatedValue { value: "Hello!", count: 2 }; + repeated.print(); +} +``` + +The `print` function will print `Hello!` an arbitrary number of times, twice in this case. + +## Calling functions on generic parameters + +Since a generic type `T` can represent any type, how can we call functions on the underlying type? +In other words, how can we go from "any type `T`" to "any type `T` that has certain methods available?" + +This is what [traits](../concepts/traits.md) are for in Noir. Here's an example of a function generic over +any type `T` that implements the `Eq` trait for equality: + +```rust +fn first_element_is_equal(array1: [T; N], array2: [T; N]) -> bool + where T: Eq +{ + if (array1.len() == 0) | (array2.len() == 0) { + true + } else { + array1[0] == array2[0] + } +} + +fn main() { + assert(first_element_is_equal([1, 2, 3], [1, 5, 6])); + + // We can use first_element_is_equal for arrays of any type + // as long as we have an Eq impl for the types we pass in + let array = [MyStruct::new(), MyStruct::new()]; + assert(array_eq(array, array, MyStruct::eq)); +} + +impl Eq for MyStruct { + fn eq(self, other: MyStruct) -> bool { + self.foo == other.foo + } +} +``` + +You can find more details on traits and trait implementations on the [traits page](../concepts/traits.md). + +## Manually Specifying Generics with the Turbofish Operator + +There are times when the compiler cannot reasonably infer what type should be used for a generic, or when the developer themselves may want to manually distinguish generic type parameters. This is where the `::<>` turbofish operator comes into play. + +The `::<>` operator can follow a variable or path and can be used to manually specify generic arguments within the angle brackets. +The name "turbofish" comes from that `::<>` looks like a little fish. + +Examples: +```rust +fn main() { + let mut slice = []; + slice = slice.push_back(1); + slice = slice.push_back(2); + // Without turbofish a type annotation would be needed on the left hand side + let array = slice.as_array::<2>(); +} +``` + + +```rust +trait MyTrait { + fn ten() -> Self; +} + +impl MyTrait for Field { + fn ten() -> Self { 10 } +} + +struct Foo { + inner: T +} + +impl Foo { + fn generic_method(_self: Self) -> U where U: MyTrait { + U::ten() + } +} + +fn example() { + let foo: Foo = Foo { inner: 1 }; + // Using a type other than `Field` here (e.g. u32) would fail as + // there is no matching impl for `u32: MyTrait`. + // + // Substituting the `10` on the left hand side of this assert + // with `10 as u32` would also fail with a type mismatch as we + // are expecting a `Field` from the right hand side. + assert(10 as u32 == foo.generic_method::()); +} +``` + +## Arithmetic Generics + +In addition to numeric generics, Noir also allows a limited form of arithmetic on generics. +When you have a numeric generic such as `N`, you can use the following operators on it in a +type position: `+`, `-`, `*`, `/`, and `%`. + +Note that type checking arithmetic generics is a best effort guess from the compiler and there +are many cases of types that are equal that the compiler may not see as such. For example, +we know that `T * (N + M)` should be equal to `T*N + T*M` but the compiler does not currently +apply the distributive law and thus sees these as different types. + +Even with this limitation though, the compiler can handle common cases decently well: + +```rust +trait Serialize { + fn serialize(self) -> [Field; N]; +} + +impl Serialize<1> for Field { + fn serialize(self) -> [Field; 1] { + [self] + } +} + +impl Serialize for [T; N] + where T: Serialize { .. } + +impl Serialize for (T, U) + where T: Serialize, U: Serialize { .. } + +fn main() { + let data = (1, [2, 3, 4]); + assert_eq(data.serialize().len(), 4); +} +``` + +Note that if there is any over or underflow the types will fail to unify: + +```rust title="underflow-example" showLineNumbers +fn pop(array: [Field; N]) -> [Field; N - 1] { + let mut result: [Field; N - 1] = std::mem::zeroed(); + for i in 0..N - 1 { + result[i] = array[i]; + } + result +} + +fn main() { + // error: Could not determine array length `(0 - 1)` + pop([]); +} +``` +> Source code: test_programs/compile_failure/arithmetic_generics_underflow/src/main.nr#L1-L14 + + +This also applies if there is underflow in an intermediate calculation: + +```rust title="intermediate-underflow-example" showLineNumbers +fn main() { + // From main it looks like there's nothing sketchy going on + seems_fine([]); +} + +// Since `seems_fine` says it can receive and return any length N +fn seems_fine(array: [Field; N]) -> [Field; N] { + // But inside `seems_fine` we pop from the array which + // requires the length to be greater than zero. + + // error: Could not determine array length `(0 - 1)` + push_zero(pop(array)) +} + +fn pop(array: [Field; N]) -> [Field; N - 1] { + let mut result: [Field; N - 1] = std::mem::zeroed(); + for i in 0..N - 1 { + result[i] = array[i]; + } + result +} + +fn push_zero(array: [Field; N]) -> [Field; N + 1] { + let mut result: [Field; N + 1] = std::mem::zeroed(); + for i in 0..N { + result[i] = array[i]; + } + // index N is already zeroed + result +} +``` +> Source code: test_programs/compile_failure/arithmetic_generics_intermediate_underflow/src/main.nr#L1-L32 + diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/globals.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/globals.md new file mode 100644 index 00000000000..6b8314399a2 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/globals.md @@ -0,0 +1,82 @@ +--- +title: Global Variables +description: + Learn about global variables in Noir. Discover how + to declare, modify, and use them in your programs. +keywords: [noir programming language, globals, global variables, constants] +sidebar_position: 8 +--- + +## Globals + + +Noir supports global variables. The global's type can be inferred by the compiler entirely: + +```rust +global N = 5; // Same as `global N: Field = 5` + +global TUPLE = (3, 2); + +fn main() { + assert(N == 5); + assert(N == TUPLE.0 + TUPLE.1); +} +``` + +:::info + +Globals can be defined as any expression, so long as they don't depend on themselves - otherwise there would be a dependency cycle! For example: + +```rust +global T = foo(T); // dependency error +``` + +::: + + +If they are initialized to a literal integer, globals can be used to specify an array's length: + +```rust +global N: u32 = 2; + +fn main(y : [Field; N]) { + assert(y[0] == y[1]) +} +``` + +A global from another module can be imported or referenced externally like any other name: + +```rust +global N = 20; + +fn main() { + assert(my_submodule::N != N); +} + +mod my_submodule { + global N: Field = 10; +} +``` + +When a global is used, Noir replaces the name with its definition on each occurrence. +This means globals defined using function calls will repeat the call each time they're used: + +```rust +global RESULT = foo(); + +fn foo() -> [Field; 100] { ... } +``` + +This is usually fine since Noir will generally optimize any function call that does not +refer to a program input into a constant. It should be kept in mind however, if the called +function performs side-effects like `println`, as these will still occur on each use. + +### Visibility + +By default, like functions, globals are private to the module they exist in. You can use `pub` +to make the global public or `pub(crate)` to make it public to just its crate: + +```rust +// This global is now public +pub global N = 5; +``` \ No newline at end of file diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/lambdas.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/lambdas.md new file mode 100644 index 00000000000..be3c7e0b5ca --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/lambdas.md @@ -0,0 +1,81 @@ +--- +title: Lambdas +description: Learn how to use anonymous functions in Noir programming language. +keywords: [Noir programming language, lambda, closure, function, anonymous function] +sidebar_position: 9 +--- + +## Introduction + +Lambdas are anonymous functions. The syntax is `|arg1, arg2, ..., argN| return_expression`. + +```rust +let add_50 = |val| val + 50; +assert(add_50(100) == 150); +``` + +A block can be used as the body of a lambda, allowing you to declare local variables inside it: + +```rust +let cool = || { + let x = 100; + let y = 100; + x + y +} + +assert(cool() == 200); +``` + +## Closures + +Inside the body of a lambda, you can use variables defined in the enclosing function. Such lambdas are called **closures**. In this example `x` is defined inside `main` and is accessed from within the lambda: + +```rust +fn main() { + let x = 100; + let closure = || x + 150; + assert(closure() == 250); +} +``` + +## Passing closures to higher-order functions + +It may catch you by surprise that the following code fails to compile: + +```rust +fn foo(f: fn () -> Field) -> Field { + f() +} + +fn main() { + let (x, y) = (50, 50); + assert(foo(|| x + y) == 100); // error :( +} +``` + +The reason is that the closure's capture environment affects its type - we have a closure that captures two Fields and `foo` +expects a regular function as an argument - those are incompatible. +:::note + +Variables contained within the `||` are the closure's parameters, and the expression that follows it is the closure's body. The capture environment is comprised of any variables used in the closure's body that are not parameters. + +E.g. in |x| x + y, y would be a captured variable, but x would not be, since it is a parameter of the closure. + +::: +The syntax for the type of a closure is `fn[env](args) -> ret_type`, where `env` is the capture environment of the closure - +in this example that's `(Field, Field)`. + +The best solution in our case is to make `foo` generic over the environment type of its parameter, so that it can be called +with closures with any environment, as well as with regular functions: + +```rust +fn foo(f: fn[Env]() -> Field) -> Field { + f() +} + +fn main() { + let (x, y) = (50, 50); + assert(foo(|| x + y) == 100); // compiles fine + assert(foo(|| 60) == 60); // compiles fine +} +``` diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/mutability.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/mutability.md new file mode 100644 index 00000000000..fdeef6a87c5 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/mutability.md @@ -0,0 +1,121 @@ +--- +title: Mutability +description: + Learn about mutable variables in Noir. Discover how + to declare, modify, and use them in your programs. +keywords: [noir programming language, mutability in noir, mutable variables] +sidebar_position: 8 +--- + +Variables in noir can be declared mutable via the `mut` keyword. Mutable variables can be reassigned +to via an assignment expression. + +```rust +let x = 2; +x = 3; // error: x must be mutable to be assigned to + +let mut y = 3; +let y = 4; // OK +``` + +The `mut` modifier can also apply to patterns: + +```rust +let (a, mut b) = (1, 2); +a = 11; // error: a must be mutable to be assigned to +b = 12; // OK + +let mut (c, d) = (3, 4); +c = 13; // OK +d = 14; // OK + +// etc. +let MyStruct { x: mut y } = MyStruct { x: a }; +// y is now in scope +``` + +Note that mutability in noir is local and everything is passed by value, so if a called function +mutates its parameters then the parent function will keep the old value of the parameters. + +```rust +fn main() -> pub Field { + let x = 3; + helper(x); + x // x is still 3 +} + +fn helper(mut x: i32) { + x = 4; +} +``` + +## Non-local mutability + +Non-local mutability can be achieved through the mutable reference type `&mut T`: + +```rust +fn set_to_zero(x: &mut Field) { + *x = 0; +} + +fn main() { + let mut y = 42; + set_to_zero(&mut y); + assert(*y == 0); +} +``` + +When creating a mutable reference, the original variable being referred to (`y` in this +example) must also be mutable. Since mutable references are a reference type, they must +be explicitly dereferenced via `*` to retrieve the underlying value. Note that this yields +a copy of the value, so mutating this copy will not change the original value behind the +reference: + +```rust +fn main() { + let mut x = 1; + let x_ref = &mut x; + + let mut y = *x_ref; + let y_ref = &mut y; + + x = 2; + *x_ref = 3; + + y = 4; + *y_ref = 5; + + assert(x == 3); + assert(*x_ref == 3); + assert(y == 5); + assert(*y_ref == 5); +} +``` + +Note that types in Noir are actually deeply immutable so the copy that occurs when +dereferencing is only a conceptual copy - no additional constraints will occur. + +Mutable references can also be stored within structs. Note that there is also +no lifetime parameter on these unlike rust. This is because the allocated memory +always lasts the entire program - as if it were an array of one element. + +```rust +struct Foo { + x: &mut Field +} + +impl Foo { + fn incr(mut self) { + *self.x += 1; + } +} + +fn main() { + let foo = Foo { x: &mut 0 }; + foo.incr(); + assert(*foo.x == 1); +} +``` + +In general, you should avoid non-local & shared mutability unless it is needed. Sticking +to only local mutability will improve readability and potentially improve compiler optimizations as well. diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/ops.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/ops.md new file mode 100644 index 00000000000..c35c36c38a9 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/ops.md @@ -0,0 +1,98 @@ +--- +title: Logical Operations +description: + Learn about the supported arithmetic and logical operations in the Noir programming language. + Discover how to perform operations on private input types, integers, and booleans. +keywords: + [ + Noir programming language, + supported operations, + arithmetic operations, + logical operations, + predicate operators, + bitwise operations, + short-circuiting, + backend, + ] +sidebar_position: 3 +--- + +# Operations + +## Table of Supported Operations + +| Operation | Description | Requirements | +| :-------- | :------------------------------------------------------------: | -------------------------------------: | +| + | Adds two private input types together | Types must be private input | +| - | Subtracts two private input types together | Types must be private input | +| \* | Multiplies two private input types together | Types must be private input | +| / | Divides two private input types together | Types must be private input | +| ^ | XOR two private input types together | Types must be integer | +| & | AND two private input types together | Types must be integer | +| \| | OR two private input types together | Types must be integer | +| \<\< | Left shift an integer by another integer amount | Types must be integer, shift must be u8 | +| >> | Right shift an integer by another integer amount | Types must be integer, shift must be u8 | +| ! | Bitwise not of a value | Type must be integer or boolean | +| \< | returns a bool if one value is less than the other | Upper bound must have a known bit size | +| \<= | returns a bool if one value is less than or equal to the other | Upper bound must have a known bit size | +| > | returns a bool if one value is more than the other | Upper bound must have a known bit size | +| >= | returns a bool if one value is more than or equal to the other | Upper bound must have a known bit size | +| == | returns a bool if one value is equal to the other | Both types must not be constants | +| != | returns a bool if one value is not equal to the other | Both types must not be constants | + +### Predicate Operators + +`<,<=, !=, == , >, >=` are known as predicate/comparison operations because they compare two values. +This differs from the operations such as `+` where the operands are used in _computation_. + +### Bitwise Operations Example + +```rust +fn main(x : Field) { + let y = x as u32; + let z = y & y; +} +``` + +`z` is implicitly constrained to be the result of `y & y`. The `&` operand is used to denote bitwise +`&`. + +> `x & x` would not compile as `x` is a `Field` and not an integer type. + +### Logical Operators + +Noir has no support for the logical operators `||` and `&&`. This is because encoding the +short-circuiting that these operators require can be inefficient for Noir's backend. Instead you can +use the bitwise operators `|` and `&` which operate identically for booleans, just without the +short-circuiting. + +```rust +let my_val = 5; + +let mut flag = 1; +if (my_val > 6) | (my_val == 0) { + flag = 0; +} +assert(flag == 1); + +if (my_val != 10) & (my_val < 50) { + flag = 0; +} +assert(flag == 0); +``` + +### Shorthand operators + +Noir shorthand operators for most of the above operators, namely `+=, -=, *=, /=, %=, &=, |=, ^=, <<=`, and `>>=`. These allow for more concise syntax. For example: + +```rust +let mut i = 0; +i = i + 1; +``` + +could be written as: + +```rust +let mut i = 0; +i += 1; +``` diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/oracles.mdx b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/oracles.mdx new file mode 100644 index 00000000000..77a2ac1550a --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/oracles.mdx @@ -0,0 +1,29 @@ +--- +title: Oracles +description: Dive into how Noir supports Oracles via RPC calls, and learn how to declare an Oracle in Noir with our comprehensive guide. +keywords: + - Noir + - Oracles + - RPC Calls + - Unconstrained Functions + - Programming + - Blockchain +sidebar_position: 6 +--- + +import Experimental from '@site/src/components/Notes/_experimental.mdx'; + + + +Noir has support for Oracles via RPC calls. This means Noir will make an RPC call and use the return value for proof generation. + +Since Oracles are not resolved by Noir, they are [`unconstrained` functions](./unconstrained.md) + +You can declare an Oracle through the `#[oracle()]` flag. Example: + +```rust +#[oracle(get_number_sequence)] +unconstrained fn get_number_sequence(_size: Field) -> [Field] {} +``` + +The timeout for when using an external RPC oracle resolver can be set with the `NARGO_FOREIGN_CALL_TIMEOUT` environment variable. This timeout is in units of milliseconds. diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/shadowing.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/shadowing.md new file mode 100644 index 00000000000..5ce6130d201 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/shadowing.md @@ -0,0 +1,44 @@ +--- +title: Shadowing +sidebar_position: 12 +--- + +Noir allows for inheriting variables' values and re-declaring them with the same name similar to Rust, known as shadowing. + +For example, the following function is valid in Noir: + +```rust +fn main() { + let x = 5; + + { + let x = x * 2; + assert (x == 10); + } + + assert (x == 5); +} +``` + +In this example, a variable x is first defined with the value 5. + +The local scope that follows shadows the original x, i.e. creates a local mutable x based on the value of the original x. It is given a value of 2 times the original x. + +When we return to the main scope, x once again refers to just the original x, which stays at the value of 5. + +## Temporal mutability + +One way that shadowing is useful, in addition to ergonomics across scopes, is for temporarily mutating variables. + +```rust +fn main() { + let age = 30; + // age = age + 5; // Would error as `age` is immutable by default. + + let mut age = age + 5; // Temporarily mutates `age` with a new value. + + let age = age; // Locks `age`'s mutability again. + + assert (age == 35); +} +``` diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/traits.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/traits.md new file mode 100644 index 00000000000..9da00a77587 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/traits.md @@ -0,0 +1,501 @@ +--- +title: Traits +description: + Traits in Noir can be used to abstract out a common interface for functions across + several data types. +keywords: [noir programming language, traits, interfaces, generic, protocol] +sidebar_position: 14 +--- + +## Overview + +Traits in Noir are a useful abstraction similar to interfaces or protocols in other languages. Each trait defines +the interface of several methods contained within the trait. Types can then implement this trait by providing +implementations for these methods. For example in the program: + +```rust +struct Rectangle { + width: Field, + height: Field, +} + +impl Rectangle { + fn area(self) -> Field { + self.width * self.height + } +} + +fn log_area(r: Rectangle) { + println(r.area()); +} +``` + +We have a function `log_area` to log the area of a `Rectangle`. Now how should we change the program if we want this +function to work on `Triangle`s as well?: + +```rust +struct Triangle { + width: Field, + height: Field, +} + +impl Triangle { + fn area(self) -> Field { + self.width * self.height / 2 + } +} +``` + +Making `log_area` generic over all types `T` would be invalid since not all types have an `area` method. Instead, we can +introduce a new `Area` trait and make `log_area` generic over all types `T` that implement `Area`: + +```rust +trait Area { + fn area(self) -> Field; +} + +fn log_area(shape: T) where T: Area { + println(shape.area()); +} +``` + +We also need to explicitly implement `Area` for `Rectangle` and `Triangle`. We can do that by changing their existing +impls slightly. Note that the parameter types and return type of each of our `area` methods must match those defined +by the `Area` trait. + +```rust +impl Area for Rectangle { + fn area(self) -> Field { + self.width * self.height + } +} + +impl Area for Triangle { + fn area(self) -> Field { + self.width * self.height / 2 + } +} +``` + +Now we have a working program that is generic over any type of Shape that is used! Others can even use this program +as a library with their own types - such as `Circle` - as long as they also implement `Area` for these types. + +## Where Clauses + +As seen in `log_area` above, when we want to create a function or method that is generic over any type that implements +a trait, we can add a where clause to the generic function. + +```rust +fn log_area(shape: T) where T: Area { + println(shape.area()); +} +``` + +It is also possible to apply multiple trait constraints on the same variable at once by combining traits with the `+` +operator. Similarly, we can have multiple trait constraints by separating each with a comma: + +```rust +fn foo(elements: [T], thing: U) where + T: Default + Add + Eq, + U: Bar, +{ + let mut sum = T::default(); + + for element in elements { + sum += element; + } + + if sum == T::default() { + thing.bar(); + } +} +``` + +## Generic Implementations + +You can add generics to a trait implementation by adding the generic list after the `impl` keyword: + +```rust +trait Second { + fn second(self) -> Field; +} + +impl Second for (T, Field) { + fn second(self) -> Field { + self.1 + } +} +``` + +You can also implement a trait for every type this way: + +```rust +trait Debug { + fn debug(self); +} + +impl Debug for T { + fn debug(self) { + println(self); + } +} + +fn main() { + 1.debug(); +} +``` + +### Generic Trait Implementations With Where Clauses + +Where clauses can be placed on trait implementations themselves to restrict generics in a similar way. +For example, while `impl Foo for T` implements the trait `Foo` for every type, `impl Foo for T where T: Bar` +will implement `Foo` only for types that also implement `Bar`. This is often used for implementing generic types. +For example, here is the implementation for array equality: + +```rust +impl Eq for [T; let N: u32] where T: Eq { + // Test if two arrays have the same elements. + // Because both arrays must have length N, we know their lengths already match. + fn eq(self, other: Self) -> bool { + let mut result = true; + + for i in 0 .. self.len() { + // The T: Eq constraint is needed to call == on the array elements here + result &= self[i] == other[i]; + } + + result + } +} +``` + +Where clauses can also be placed on struct implementations. +For example, here is a method utilizing a generic type that implements the equality trait. + +```rust +struct Foo { + a: u32, + b: T, +} + +impl Foo where T: Eq { + fn eq(self, other: Self) -> bool { + (self.a == other.a) & self.b.eq(other.b) + } +} +``` + +## Generic Traits + +Traits themselves can also be generic by placing the generic arguments after the trait name. These generics are in +scope of every item within the trait. + +```rust +trait Into { + // Convert `self` to type `T` + fn into(self) -> T; +} +``` + +When implementing generic traits the generic arguments of the trait must be specified. This is also true anytime +when referencing a generic trait (e.g. in a `where` clause). + +```rust +struct MyStruct { + array: [Field; 2], +} + +impl Into<[Field; 2]> for MyStruct { + fn into(self) -> [Field; 2] { + self.array + } +} + +fn as_array(x: T) -> [Field; 2] + where T: Into<[Field; 2]> +{ + x.into() +} + +fn main() { + let array = [1, 2]; + let my_struct = MyStruct { array }; + + assert_eq(as_array(my_struct), array); +} +``` + +### Associated Types and Constants + +Traits also support associated types and constraints which can be thought of as additional generics that are referred to by name. + +Here's an example of a trait with an associated type `Foo` and a constant `Bar`: + +```rust +trait MyTrait { + type Foo; + + let Bar: u32; +} +``` + +Now when we're implementing `MyTrait` we also have to provide values for `Foo` and `Bar`: + +```rust +impl MyTrait for Field { + type Foo = i32; + + let Bar: u32 = 11; +} +``` + +Since associated constants can also be used in a type position, its values are limited to only other +expression kinds allowed in numeric generics. + +Note that currently all associated types and constants must be explicitly specified in a trait constraint. +If we leave out any, we'll get an error that we're missing one: + +```rust +// Error! Constraint is missing associated constant for `Bar` +fn foo(x: T) where T: MyTrait { + ... +} +``` + +Because all associated types and constants must be explicitly specified, they are essentially named generics, +although this is set to change in the future. Future versions of Noir will allow users to elide associated types +in trait constraints similar to Rust. When this is done, you may still refer to their value with the `::AssociatedType` +syntax: + +```rust +// Only valid in future versions of Noir: +fn foo(x: T) where T: MyTrait { + let _: ::Foo = ...; +} +``` + +The type as trait syntax is possible in Noir today but is less useful when each type must be explicitly specified anyway: + +```rust +fn foo(x: T) where T: MyTrait { + // Works, but could just use F directly + let _: >::Foo = ...; + + let _: F = ...; +} +``` + +## Trait Methods With No `self` + +A trait can contain any number of methods, each of which have access to the `Self` type which represents each type +that eventually implements the trait. Similarly, the `self` variable is available as well but is not required to be used. +For example, we can define a trait to create a default value for a type. This trait will need to return the `Self` type +but doesn't need to take any parameters: + +```rust +trait Default { + fn default() -> Self; +} +``` + +Implementing this trait can be done similarly to any other trait: + +```rust +impl Default for Field { + fn default() -> Field { + 0 + } +} + +struct MyType {} + +impl Default for MyType { + fn default() -> Field { + MyType {} + } +} +``` + +However, since there is no `self` parameter, we cannot call it via the method call syntax `object.method()`. +Instead, we'll need to refer to the function directly. This can be done either by referring to the +specific impl `MyType::default()` or referring to the trait itself `Default::default()`. In the later +case, type inference determines the impl that is selected. + +```rust +let my_struct = MyStruct::default(); + +let x: Field = Default::default(); +let result = x + Default::default(); +``` + +:::warning + +```rust +let _ = Default::default(); +``` + +If type inference cannot select which impl to use because of an ambiguous `Self` type, an impl will be +arbitrarily selected. This occurs most often when the result of a trait function call with no parameters +is unused. To avoid this, when calling a trait function with no `self` or `Self` parameters or return type, +always refer to it via the implementation type's namespace - e.g. `MyType::default()`. +This is set to change to an error in future Noir versions. + +::: + +## Default Method Implementations + +A trait can also have default implementations of its methods by giving a body to the desired functions. +Note that this body must be valid for all types that may implement the trait. As a result, the only +valid operations on `self` will be operations valid for any type or other operations on the trait itself. + +```rust +trait Numeric { + fn add(self, other: Self) -> Self; + + // Default implementation of double is (self + self) + fn double(self) -> Self { + self.add(self) + } +} +``` + +When implementing a trait with default functions, a type may choose to implement only the required functions: + +```rust +impl Numeric for Field { + fn add(self, other: Field) -> Field { + self + other + } +} +``` + +Or it may implement the optional methods as well: + +```rust +impl Numeric for u32 { + fn add(self, other: u32) -> u32 { + self + other + } + + fn double(self) -> u32 { + self * 2 + } +} +``` + +## Impl Specialization + +When implementing traits for a generic type it is possible to implement the trait for only a certain combination +of generics. This can be either as an optimization or because those specific generics are required to implement the trait. + +```rust +trait Sub { + fn sub(self, other: Self) -> Self; +} + +struct NonZero { + value: T, +} + +impl Sub for NonZero { + fn sub(self, other: Self) -> Self { + let value = self.value - other.value; + assert(value != 0); + NonZero { value } + } +} +``` + +## Overlapping Implementations + +Overlapping implementations are disallowed by Noir to ensure Noir's decision on which impl to select is never ambiguous. +This means if a trait `Foo` is already implemented +by a type `Bar` for all `T`, then we cannot also have a separate impl for `Bar` (or any other +type argument). Similarly, if there is an impl for all `T` such as `impl Debug for T`, we cannot create +any more impls to `Debug` for other types since it would be ambiguous which impl to choose for any given +method call. + +```rust +trait Trait {} + +// Previous impl defined here +impl Trait for (A, B) {} + +// error: Impl for type `(Field, Field)` overlaps with existing impl +impl Trait for (Field, Field) {} +``` + +## Trait Coherence + +Another restriction on trait implementations is coherence. This restriction ensures other crates cannot create +impls that may overlap with other impls, even if several unrelated crates are used as dependencies in the same +program. + +The coherence restriction is: to implement a trait, either the trait itself or the object type must be declared +in the crate the impl is in. + +In practice this often comes up when using types provided by libraries. If a library provides a type `Foo` that does +not implement a trait in the standard library such as `Default`, you may not `impl Default for Foo` in your own crate. +While restrictive, this prevents later issues or silent changes in the program if the `Foo` library later added its +own impl for `Default`. If you are a user of the `Foo` library in this scenario and need a trait not implemented by the +library your choices are to either submit a patch to the library or use the newtype pattern. + +### The Newtype Pattern + +The newtype pattern gets around the coherence restriction by creating a new wrapper type around the library type +that we cannot create `impl`s for. Since the new wrapper type is defined in our current crate, we can create +impls for any trait we need on it. + +```rust +struct Wrapper { + foo: some_library::Foo, +} + +impl Default for Wrapper { + fn default() -> Wrapper { + Wrapper { + foo: some_library::Foo::new(), + } + } +} +``` + +Since we have an impl for our own type, the behavior of this code will not change even if `some_library` is updated +to provide its own `impl Default for Foo`. The downside of this pattern is that it requires extra wrapping and +unwrapping of values when converting to and from the `Wrapper` and `Foo` types. + +### Trait Inheritance + +Sometimes, you might need one trait to use another trait’s functionality (like "inheritance" in some other languages). In this case, you can specify this relationship by listing any child traits after the parent trait's name and a colon. Now, whenever the parent trait is implemented it will require the child traits to be implemented as well. A parent trait is also called a "super trait." + +```rust +trait Person { + fn name(self) -> String; +} + +// Person is a supertrait of Student. +// Implementing Student requires you to also impl Person. +trait Student: Person { + fn university(self) -> String; +} + +trait Programmer { + fn fav_language(self) -> String; +} + +// CompSciStudent (computer science student) is a subtrait of both Programmer +// and Student. Implementing CompSciStudent requires you to impl both supertraits. +trait CompSciStudent: Programmer + Student { + fn git_username(self) -> String; +} +``` + +### Visibility + +By default, like functions, traits are private to the module they exist in. You can use `pub` +to make the trait public or `pub(crate)` to make it public to just its crate: + +```rust +// This trait is now public +pub trait Trait {} +``` \ No newline at end of file diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/unconstrained.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/unconstrained.md new file mode 100644 index 00000000000..b5221b8d2dd --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/concepts/unconstrained.md @@ -0,0 +1,104 @@ +--- +title: Unconstrained Functions +description: "Learn about what unconstrained functions in Noir are, how to use them and when you'd want to." + +keywords: [Noir programming language, unconstrained, open] +sidebar_position: 5 +--- + +Unconstrained functions are functions which do not constrain any of the included computation and allow for non-deterministic computation. + +## Why? + +Zero-knowledge (ZK) domain-specific languages (DSL) enable developers to generate ZK proofs from their programs by compiling code down to the constraints of an NP complete language (such as R1CS or PLONKish languages). However, the hard bounds of a constraint system can be very limiting to the functionality of a ZK DSL. + +Enabling a circuit language to perform unconstrained execution is a powerful tool. Said another way, unconstrained execution lets developers generate witnesses from code that does not generate any constraints. Being able to execute logic outside of a circuit is critical for both circuit performance and constructing proofs on information that is external to a circuit. + +Fetching information from somewhere external to a circuit can also be used to enable developers to improve circuit efficiency. + +A ZK DSL does not just prove computation, but proves that some computation was handled correctly. Thus, it is necessary that when we switch from performing some operation directly inside of a circuit to inside of an unconstrained environment that the appropriate constraints are still laid down elsewhere in the circuit. + +## Example + +An in depth example might help drive the point home. This example comes from the excellent [post](https://discord.com/channels/1113924620781883405/1124022445054111926/1128747641853972590) by Tom in the Noir Discord. + +Let's look at how we can optimize a function to turn a `u72` into an array of `u8`s. + +```rust +fn main(num: u72) -> pub [u8; 8] { + let mut out: [u8; 8] = [0; 8]; + for i in 0..8 { + out[i] = (num >> (56 - (i * 8)) as u72 & 0xff) as u8; + } + + out +} +``` + +``` +Total ACIR opcodes generated for language PLONKCSat { width: 3 }: 91 +Backend circuit size: 3619 +``` + +A lot of the operations in this function are optimized away by the compiler (all the bit-shifts turn into divisions by constants). However we can save a bunch of gates by casting to u8 a bit earlier. This automatically truncates the bit-shifted value to fit in a u8 which allows us to remove the AND against 0xff. This saves us ~480 gates in total. + +```rust +fn main(num: u72) -> pub [u8; 8] { + let mut out: [u8; 8] = [0; 8]; + for i in 0..8 { + out[i] = (num >> (56 - (i * 8)) as u8; + } + + out +} +``` + +``` +Total ACIR opcodes generated for language PLONKCSat { width: 3 }: 75 +Backend circuit size: 3143 +``` + +Those are some nice savings already but we can do better. This code is all constrained so we're proving every step of calculating out using num, but we don't actually care about how we calculate this, just that it's correct. This is where brillig comes in. + +It turns out that truncating a u72 into a u8 is hard to do inside a snark, each time we do as u8 we lay down 4 ACIR opcodes which get converted into multiple gates. It's actually much easier to calculate num from out than the other way around. All we need to do is multiply each element of out by a constant and add them all together, both relatively easy operations inside a snark. + +We can then run `u72_to_u8` as unconstrained brillig code in order to calculate out, then use that result in our constrained function and assert that if we were to do the reverse calculation we'd get back num. This looks a little like the below: + +```rust +fn main(num: u72) -> pub [u8; 8] { + let out = unsafe { + u72_to_u8(num) + }; + + let mut reconstructed_num: u72 = 0; + for i in 0..8 { + reconstructed_num += (out[i] as u72 << (56 - (8 * i))); + } + assert(num == reconstructed_num); + out +} + +unconstrained fn u72_to_u8(num: u72) -> [u8; 8] { + let mut out: [u8; 8] = [0; 8]; + for i in 0..8 { + out[i] = (num >> (56 - (i * 8))) as u8; + } + out +} +``` + +``` +Total ACIR opcodes generated for language PLONKCSat { width: 3 }: 78 +Backend circuit size: 2902 +``` + +This ends up taking off another ~250 gates from our circuit! We've ended up with more ACIR opcodes than before but they're easier for the backend to prove (resulting in fewer gates). + +Note that in order to invoke unconstrained functions we need to wrap them in an `unsafe` block, +to make it clear that the call is unconstrained. + +Generally we want to use brillig whenever there's something that's easy to verify but hard to compute within the circuit. For example, if you wanted to calculate a square root of a number it'll be a much better idea to calculate this in brillig and then assert that if you square the result you get back your number. + +## Break and Continue + +In addition to loops over runtime bounds, `break` and `continue` are also available in unconstrained code. See [break and continue](../concepts/control_flow.md#break-and-continue) diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/modules_packages_crates/_category_.json b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/modules_packages_crates/_category_.json new file mode 100644 index 00000000000..1debcfe7675 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/modules_packages_crates/_category_.json @@ -0,0 +1,6 @@ +{ + "label": "Modules, Packages and Crates", + "position": 2, + "collapsible": true, + "collapsed": true +} diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/modules_packages_crates/crates_and_packages.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/modules_packages_crates/crates_and_packages.md new file mode 100644 index 00000000000..95ee9f52ab2 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/modules_packages_crates/crates_and_packages.md @@ -0,0 +1,43 @@ +--- +title: Crates and Packages +description: Learn how to use Crates and Packages in your Noir project +keywords: [Nargo, dependencies, package management, crates, package] +sidebar_position: 0 +--- + +## Crates + +A crate is the smallest amount of code that the Noir compiler considers at a time. +Crates can contain modules, and the modules may be defined in other files that get compiled with the crate, as we’ll see in the coming sections. + +### Crate Types + +A Noir crate can come in several forms: binaries, libraries or contracts. + +#### Binaries + +_Binary crates_ are programs which you can compile to an ACIR circuit which you can then create proofs against. Each must have a function called `main` that defines the ACIR circuit which is to be proved. + +#### Libraries + +_Library crates_ don't have a `main` function and they don't compile down to ACIR. Instead they define functionality intended to be shared with multiple projects, and eventually included in a binary crate. + +#### Contracts + +Contract crates are similar to binary crates in that they compile to ACIR which you can create proofs against. They are different in that they do not have a single `main` function, but are a collection of functions to be deployed to the [Aztec network](https://aztec.network). You can learn more about the technical details of Aztec in the [monorepo](https://github.com/AztecProtocol/aztec-packages) or contract [examples](https://github.com/AztecProtocol/aztec-packages/tree/master/noir-projects/noir-contracts/contracts). + +### Crate Root + +Every crate has a root, which is the source file that the compiler starts, this is also known as the root module. The Noir compiler does not enforce any conditions on the name of the file which is the crate root, however if you are compiling via Nargo the crate root must be called `lib.nr` or `main.nr` for library or binary crates respectively. + +## Packages + +A Nargo _package_ is a collection of one of more crates that provides a set of functionality. A package must include a Nargo.toml file. + +A package _must_ contain either a library or a binary crate, but not both. + +### Differences from Cargo Packages + +One notable difference between Rust's Cargo and Noir's Nargo is that while Cargo allows a package to contain an unlimited number of binary crates and a single library crate, Nargo currently only allows a package to contain a single crate. + +In future this restriction may be lifted to allow a Nargo package to contain both a binary and library crate or multiple binary crates. diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/modules_packages_crates/dependencies.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/modules_packages_crates/dependencies.md new file mode 100644 index 00000000000..24e02de08fe --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/modules_packages_crates/dependencies.md @@ -0,0 +1,124 @@ +--- +title: Dependencies +description: + Learn how to specify and manage dependencies in Nargo, allowing you to upload packages to GitHub + and use them easily in your project. +keywords: [Nargo, dependencies, GitHub, package management, versioning] +sidebar_position: 1 +--- + +Nargo allows you to upload packages to GitHub and use them as dependencies. + +## Specifying a dependency + +Specifying a dependency requires a tag to a specific commit and the git url to the url containing +the package. + +Currently, there are no requirements on the tag contents. If requirements are added, it would follow +semver 2.0 guidelines. + +> Note: Without a `tag` , there would be no versioning and dependencies would change each time you +> compile your project. + +For example, to add the [ecrecover-noir library](https://github.com/colinnielsen/ecrecover-noir) to your project, add it to `Nargo.toml`: + +```toml +# Nargo.toml + +[dependencies] +ecrecover = {tag = "v0.8.0", git = "https://github.com/colinnielsen/ecrecover-noir"} +``` + +If the module is in a subdirectory, you can define a subdirectory in your git repository, for example: + +```toml +# Nargo.toml + +[dependencies] +easy_private_token_contract = {tag ="v0.1.0-alpha62", git = "https://github.com/AztecProtocol/aztec-packages", directory = "noir-contracts/contracts/easy_private_token_contract"} +``` + +## Specifying a local dependency + +You can also specify dependencies that are local to your machine. + +For example, this file structure has a library and binary crate + +```tree +├── binary_crate +│   ├── Nargo.toml +│   └── src +│   └── main.nr +└── lib_a + ├── Nargo.toml + └── src + └── lib.nr +``` + +Inside of the binary crate, you can specify: + +```toml +# Nargo.toml + +[dependencies] +lib_a = { path = "../lib_a" } +``` + +## Importing dependencies + +You can import a dependency to a Noir file using the following syntax. For example, to import the +ecrecover-noir library and local lib_a referenced above: + +```rust +use ecrecover; +use lib_a; +``` + +You can also import only the specific parts of dependency that you want to use, like so: + +```rust +use std::hash::sha256; +use std::scalar_mul::fixed_base_embedded_curve; +``` + +Lastly, as demonstrated in the +[elliptic curve example](../standard_library/cryptographic_primitives/ec_primitives.md#examples), you +can import multiple items in the same line by enclosing them in curly braces: + +```rust +use std::ec::tecurve::affine::{Curve, Point}; +``` + +We don't have a way to consume libraries from inside a [workspace](./workspaces.md) as external dependencies right now. + +Inside a workspace, these are consumed as `{ path = "../to_lib" }` dependencies in Nargo.toml. + +## Dependencies of Dependencies + +Note that when you import a dependency, you also get access to all of the dependencies of that package. + +For example, the [phy_vector](https://github.com/resurgencelabs/phy_vector) library imports an [fraction](https://github.com/resurgencelabs/fraction) library. If you're importing the phy_vector library, then you can access the functions in fractions library like so: + +```rust +use phy_vector; + +fn main(x : Field, y : pub Field) { + //... + let f = phy_vector::fraction::toFraction(true, 2, 1); + //... +} +``` + +## Available Libraries + +Noir does not currently have an official package manager. You can find a list of available Noir libraries in the [awesome-noir repo here](https://github.com/noir-lang/awesome-noir#libraries). + +Some libraries that are available today include: + +- [Standard Library](https://github.com/noir-lang/noir/tree/master/noir_stdlib) - the Noir Standard Library +- [Ethereum Storage Proof Verification](https://github.com/aragonzkresearch/noir-trie-proofs) - a library that contains the primitives necessary for RLP decoding (in the form of look-up table construction) and Ethereum state and storage proof verification (or verification of any trie proof involving 32-byte long keys) +- [BigInt](https://github.com/shuklaayush/noir-bigint) - a library that provides a custom BigUint56 data type, allowing for computations on large unsigned integers +- [ECrecover](https://github.com/colinnielsen/ecrecover-noir/tree/main) - a library to verify an ECDSA signature and return the source Ethereum address +- [Sparse Merkle Tree Verifier](https://github.com/vocdoni/smtverifier-noir/tree/main) - a library for verification of sparse Merkle trees +- [Signed Int](https://github.com/resurgencelabs/signed_int) - a library for accessing a custom Signed Integer data type, allowing access to negative numbers on Noir +- [Fraction](https://github.com/resurgencelabs/fraction) - a library for accessing fractional number data type in Noir, allowing results that aren't whole numbers diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/modules_packages_crates/modules.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/modules_packages_crates/modules.md new file mode 100644 index 00000000000..14aa1f0579a --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/modules_packages_crates/modules.md @@ -0,0 +1,221 @@ +--- +title: Modules +description: + Learn how to organize your files using modules in Noir, following the same convention as Rust's + module system. Examples included. +keywords: [Noir, Rust, modules, organizing files, sub-modules] +sidebar_position: 2 +--- + +Noir's module system follows the same convention as the _newer_ version of Rust's module system. + +## Purpose of Modules + +Modules are used to organize files. Without modules all of your code would need to live in a single +file. In Noir, the compiler does not automatically scan all of your files to detect modules. This +must be done explicitly by the developer. + +## Examples + +### Importing a module in the crate root + +Filename : `src/main.nr` + +```rust +mod foo; + +fn main() { + foo::hello_world(); +} +``` + +Filename : `src/foo.nr` + +```rust +fn from_foo() {} +``` + +In the above snippet, the crate root is the `src/main.nr` file. The compiler sees the module +declaration `mod foo` which prompts it to look for a foo.nr file. + +Visually this module hierarchy looks like the following : + +``` +crate + ├── main + │ + └── foo + └── from_foo + +``` + +The module filename may also be the name of the module as a directory with the contents in a +file named `mod.nr` within that directory. The above example can alternatively be expressed like this: + +Filename : `src/main.nr` + +```rust +mod foo; + +fn main() { + foo::hello_world(); +} +``` + +Filename : `src/foo/mod.nr` + +```rust +fn from_foo() {} +``` + +Note that it's an error to have both files `src/foo.nr` and `src/foo/mod.nr` in the filesystem. + +### Importing a module throughout the tree + +All modules are accessible from the `crate::` namespace. + +``` +crate + ├── bar + ├── foo + └── main + +``` + +In the above snippet, if `bar` would like to use functions in `foo`, it can do so by `use crate::foo::function_name`. + +### Sub-modules + +Filename : `src/main.nr` + +```rust +mod foo; + +fn main() { + foo::from_foo(); +} +``` + +Filename : `src/foo.nr` + +```rust +mod bar; +fn from_foo() {} +``` + +Filename : `src/foo/bar.nr` + +```rust +fn from_bar() {} +``` + +In the above snippet, we have added an extra module to the module tree; `bar`. `bar` is a submodule +of `foo` hence we declare bar in `foo.nr` with `mod bar`. Since `foo` is not the crate root, the +compiler looks for the file associated with the `bar` module in `src/foo/bar.nr` + +Visually the module hierarchy looks as follows: + +``` +crate + ├── main + │ + └── foo + ├── from_foo + └── bar + └── from_bar +``` + +Similar to importing a module in the crate root, modules can be placed in a `mod.nr` file, like this: + +Filename : `src/main.nr` + +```rust +mod foo; + +fn main() { + foo::from_foo(); +} +``` + +Filename : `src/foo/mod.nr` + +```rust +mod bar; +fn from_foo() {} +``` + +Filename : `src/foo/bar/mod.nr` + +```rust +fn from_bar() {} +``` + +### Referencing a parent module + +Given a submodule, you can refer to its parent module using the `super` keyword. + +Filename : `src/main.nr` + +```rust +mod foo; + +fn main() { + foo::from_foo(); +} +``` + +Filename : `src/foo.nr` + +```rust +mod bar; + +fn from_foo() {} +``` + +Filename : `src/foo/bar.nr` + +```rust +// Same as bar::from_foo +use super::from_foo; + +fn from_bar() { + from_foo(); // invokes super::from_foo(), which is bar::from_foo() + super::from_foo(); // also invokes bar::from_foo() +} +``` + +### `use` visibility + +`use` declarations are private to the containing module, by default. However, like functions, +they can be marked as `pub` or `pub(crate)`. Such a use declaration serves to _re-export_ a name. +A public `use` declaration can therefore redirect some public name to a different target definition: +even a definition with a private canonical path, inside a different module. + +An example of re-exporting: + +```rust +mod some_module { + pub use foo::{bar, baz}; + mod foo { + pub fn bar() {} + pub fn baz() {} + } +} + +fn main() { + some_module::bar(); + some_module::baz(); +} +``` + +In this example, the module `some_module` re-exports two public names defined in `foo`. + +### Visibility + +By default, like functions, modules are private to the module (or crate) they exist in. You can use `pub` +to make the module public or `pub(crate)` to make it public to just its crate: + +```rust +// This module is now public and can be seen by other crates. +pub mod foo; +``` \ No newline at end of file diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/modules_packages_crates/workspaces.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/modules_packages_crates/workspaces.md new file mode 100644 index 00000000000..513497f12bf --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/modules_packages_crates/workspaces.md @@ -0,0 +1,42 @@ +--- +title: Workspaces +sidebar_position: 3 +--- + +Workspaces are a feature of nargo that allow you to manage multiple related Noir packages in a single repository. A workspace is essentially a group of related projects that share common build output directories and configurations. + +Each Noir project (with it's own Nargo.toml file) can be thought of as a package. Each package is expected to contain exactly one "named circuit", being the "name" defined in Nargo.toml with the program logic defined in `./src/main.nr`. + +For a project with the following structure: + +```tree +├── crates +│ ├── a +│ │ ├── Nargo.toml +│ │ └── Prover.toml +│ │ └── src +│ │ └── main.nr +│ └── b +│ ├── Nargo.toml +│ └── Prover.toml +│ └── src +│ └── main.nr +│ +└── Nargo.toml +``` + +You can define a workspace in Nargo.toml like so: + +```toml +[workspace] +members = ["crates/a", "crates/b"] +default-member = "crates/a" +``` + +`members` indicates which packages are included in the workspace. As such, all member packages of a workspace will be processed when the `--workspace` flag is used with various commands or if a `default-member` is not specified. + +`default-member` indicates which package various commands process by default. + +Libraries can be defined in a workspace. Inside a workspace, these are consumed as `{ path = "../to_lib" }` dependencies in Nargo.toml. + +Inside a workspace, these are consumed as `{ path = "../to_lib" }` dependencies in Nargo.toml. diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/_category_.json b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/_category_.json new file mode 100644 index 00000000000..af04c0933fd --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/_category_.json @@ -0,0 +1,6 @@ +{ + "label": "Standard Library", + "position": 1, + "collapsible": true, + "collapsed": true +} diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/bigint.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/bigint.md new file mode 100644 index 00000000000..05c3011634f --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/bigint.md @@ -0,0 +1,127 @@ +--- +title: Big Integers +description: How to use big integers from Noir standard library +keywords: + [ + Big Integer, + Noir programming language, + Noir libraries, + ] +--- + +The BigInt module in the standard library exposes some class of integers which do not fit (well) into a Noir native field. It implements modulo arithmetic, modulo a 'big' prime number. + +:::note + +The module can currently be considered as `Field`s with fixed modulo sizes used by a set of elliptic curves, in addition to just the native curve. [More work](https://github.com/noir-lang/noir/issues/510) is needed to achieve arbitrarily sized big integers. + +:::note + +`nargo` can be built with `--profile release-pedantic` to enable extra overflow checks which may affect `BigInt` results in some cases. +Consider the [`noir-bignum`](https://github.com/noir-lang/noir-bignum) library for an optimized alternative approach. + +::: + +Currently 6 classes of integers (i.e 'big' prime numbers) are available in the module, namely: + +- BN254 Fq: Bn254Fq +- BN254 Fr: Bn254Fr +- Secp256k1 Fq: Secpk1Fq +- Secp256k1 Fr: Secpk1Fr +- Secp256r1 Fr: Secpr1Fr +- Secp256r1 Fq: Secpr1Fq + +Where XXX Fq and XXX Fr denote respectively the order of the base and scalar field of the (usual) elliptic curve XXX. +For instance the big integer 'Secpk1Fq' in the standard library refers to integers modulo $2^{256}-2^{32}-977$. + +Feel free to explore the source code for the other primes: + +```rust title="big_int_definition" showLineNumbers +pub struct BigInt { + pointer: u32, + modulus: u32, +} +``` +> Source code: noir_stdlib/src/bigint.nr#L28-L33 + + +## Example usage + +A common use-case is when constructing a big integer from its bytes representation, and performing arithmetic operations on it: + +```rust title="big_int_example" showLineNumbers +fn big_int_example(x: u8, y: u8) { + let a = Secpk1Fq::from_le_bytes(&[x, y, 0, 45, 2]); + let b = Secpk1Fq::from_le_bytes(&[y, x, 9]); + let c = (a + b) * b / a; + let d = c.to_le_bytes(); + println(d[0]); +} +``` +> Source code: test_programs/execution_success/bigint/src/main.nr#L74-L82 + + +## Methods + +The available operations for each big integer are: + +### from_le_bytes + +Construct a big integer from its little-endian bytes representation. Example: + +```rust + // Construct a big integer from a slice of bytes + let a = Secpk1Fq::from_le_bytes(&[x, y, 0, 45, 2]); + // Construct a big integer from an array of 32 bytes + let a = Secpk1Fq::from_le_bytes_32([1;32]); + ``` + +Sure, here's the formatted version of the remaining methods: + +### to_le_bytes + +Return the little-endian bytes representation of a big integer. Example: + +```rust +let bytes = a.to_le_bytes(); +``` + +### add + +Add two big integers. Example: + +```rust +let sum = a + b; +``` + +### sub + +Subtract two big integers. Example: + +```rust +let difference = a - b; +``` + +### mul + +Multiply two big integers. Example: + +```rust +let product = a * b; +``` + +### div + +Divide two big integers. Note that division is field division and not euclidean division. Example: + +```rust +let quotient = a / b; +``` + +### eq + +Compare two big integers. Example: + +```rust +let are_equal = a == b; +``` diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/black_box_fns.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/black_box_fns.md new file mode 100644 index 00000000000..d6079ab182c --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/black_box_fns.md @@ -0,0 +1,32 @@ +--- +title: Black Box Functions +description: Black box functions are functions in Noir that rely on backends implementing support for specialized constraints. +keywords: [noir, black box functions] +--- + +Black box functions are functions in Noir that rely on backends implementing support for specialized constraints. This makes certain zk-snark unfriendly computations cheaper than if they were implemented in Noir. + +The ACVM spec defines a set of blackbox functions which backends will be expected to implement. This allows backends to use optimized implementations of these constraints if they have them, however they may also fallback to less efficient naive implementations if not. + +## Function list + +Here is a list of the current black box functions: + +- [AES128](./cryptographic_primitives/ciphers.mdx#aes128) +- [SHA256](./cryptographic_primitives/hashes.mdx#sha256) +- [Schnorr signature verification](./cryptographic_primitives/schnorr.mdx) +- [Blake2s](./cryptographic_primitives/hashes.mdx#blake2s) +- [Blake3](./cryptographic_primitives/hashes.mdx#blake3) +- [Pedersen Hash](./cryptographic_primitives/hashes.mdx#pedersen_hash) +- [Pedersen Commitment](./cryptographic_primitives/hashes.mdx#pedersen_commitment) +- [ECDSA signature verification](./cryptographic_primitives/ecdsa_sig_verification.mdx) +- [Embedded curve operations (MSM, addition, ...)](./cryptographic_primitives/embedded_curve_ops.mdx) +- AND +- XOR +- RANGE +- [Keccak256](./cryptographic_primitives/hashes.mdx#keccak256) +- [Recursive proof verification](./recursion.mdx) + +Most black box functions are included as part of the Noir standard library, however `AND`, `XOR` and `RANGE` are used as part of the Noir language syntax. For instance, using the bitwise operator `&` will invoke the `AND` black box function. + +You can view the black box functions defined in the ACVM code [here](https://github.com/noir-lang/noir/blob/master/acvm-repo/acir/src/circuit/black_box_functions.rs). diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/bn254.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/bn254.md new file mode 100644 index 00000000000..3294f005dbb --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/bn254.md @@ -0,0 +1,46 @@ +--- +title: Bn254 Field Library +--- + +Noir provides a module in standard library with some optimized functions for bn254 Fr in `std::field::bn254`. + +## decompose + +```rust +fn decompose(x: Field) -> (Field, Field) {} +``` + +Decomposes a single field into two fields, low and high. The low field contains the lower 16 bytes of the input field and the high field contains the upper 16 bytes of the input field. Both field results are range checked to 128 bits. + + +## assert_gt + +```rust +fn assert_gt(a: Field, b: Field) {} +``` + +Asserts that a > b. This will generate less constraints than using `assert(gt(a, b))`. + +## assert_lt + +```rust +fn assert_lt(a: Field, b: Field) {} +``` + +Asserts that a < b. This will generate less constraints than using `assert(lt(a, b))`. + +## gt + +```rust +fn gt(a: Field, b: Field) -> bool {} +``` + +Returns true if a > b. + +## lt + +```rust +fn lt(a: Field, b: Field) -> bool {} +``` + +Returns true if a < b. \ No newline at end of file diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/containers/boundedvec.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/containers/boundedvec.md new file mode 100644 index 00000000000..509b214bf3a --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/containers/boundedvec.md @@ -0,0 +1,419 @@ +--- +title: Bounded Vectors +keywords: [noir, vector, bounded vector, slice] +sidebar_position: 1 +--- + +A `BoundedVec` is a growable storage similar to a `Vec` except that it +is bounded with a maximum possible length. Unlike `Vec`, `BoundedVec` is not implemented +via slices and thus is not subject to the same restrictions slices are (notably, nested +slices - and thus nested vectors as well - are disallowed). + +Since a BoundedVec is backed by a normal array under the hood, growing the BoundedVec by +pushing an additional element is also more efficient - the length only needs to be increased +by one. + +For these reasons `BoundedVec` should generally be preferred over `Vec` when there +is a reasonable maximum bound that can be placed on the vector. + +Example: + +```rust +let mut vector: BoundedVec = BoundedVec::new(); +for i in 0..5 { + vector.push(i); +} +assert(vector.len() == 5); +assert(vector.max_len() == 10); +``` + +## Methods + +### new + +```rust +pub fn new() -> Self +``` + +Creates a new, empty vector of length zero. + +Since this container is backed by an array internally, it still needs an initial value +to give each element. To resolve this, each element is zeroed internally. This value +is guaranteed to be inaccessible unless `get_unchecked` is used. + +Example: + +```rust +let empty_vector: BoundedVec = BoundedVec::new(); +assert(empty_vector.len() == 0); +``` + +Note that whenever calling `new` the maximum length of the vector should always be specified +via a type signature: + +```rust title="new_example" showLineNumbers +fn good() -> BoundedVec { + // Ok! MaxLen is specified with a type annotation + let v1: BoundedVec = BoundedVec::new(); + let v2 = BoundedVec::new(); + + // Ok! MaxLen is known from the type of `good`'s return value + v2 +} + +fn bad() { + // Error: Type annotation needed + // The compiler can't infer `MaxLen` from this code. + let mut v3 = BoundedVec::new(); + v3.push(5); +} +``` +> Source code: test_programs/noir_test_success/bounded_vec/src/main.nr#L11-L27 + + +This defaulting of `MaxLen` (and numeric generics in general) to zero may change in future noir versions +but for now make sure to use type annotations when using bounded vectors. Otherwise, you will receive a constraint failure at runtime when the vec is pushed to. + +### get + +```rust +pub fn get(self, index: u64) -> T { +``` + +Retrieves an element from the vector at the given index, starting from zero. + +If the given index is equal to or greater than the length of the vector, this +will issue a constraint failure. + +Example: + +```rust +fn foo(v: BoundedVec) { + let first = v.get(0); + let last = v.get(v.len() - 1); + assert(first != last); +} +``` + +### get_unchecked + +```rust +pub fn get_unchecked(self, index: u64) -> T { +``` + +Retrieves an element from the vector at the given index, starting from zero, without +performing a bounds check. + +Since this function does not perform a bounds check on length before accessing the element, +it is unsafe! Use at your own risk! + +Example: + +```rust title="get_unchecked_example" showLineNumbers +fn sum_of_first_three(v: BoundedVec) -> u32 { + // Always ensure the length is larger than the largest + // index passed to get_unchecked + assert(v.len() > 2); + let first = v.get_unchecked(0); + let second = v.get_unchecked(1); + let third = v.get_unchecked(2); + first + second + third +} +``` +> Source code: test_programs/noir_test_success/bounded_vec/src/main.nr#L54-L64 + + +### set + +```rust +pub fn set(&mut self: Self, index: u64, value: T) { +``` + +Writes an element to the vector at the given index, starting from zero. + +If the given index is equal to or greater than the length of the vector, this will issue a constraint failure. + +Example: + +```rust +fn foo(v: BoundedVec) { + let first = v.get(0); + assert(first != 42); + v.set(0, 42); + let new_first = v.get(0); + assert(new_first == 42); +} +``` + +### set_unchecked + +```rust +pub fn set_unchecked(&mut self: Self, index: u64, value: T) -> T { +``` + +Writes an element to the vector at the given index, starting from zero, without performing a bounds check. + +Since this function does not perform a bounds check on length before accessing the element, it is unsafe! Use at your own risk! + +Example: + +```rust title="set_unchecked_example" showLineNumbers +fn set_unchecked_example() { + let mut vec: BoundedVec = BoundedVec::new(); + vec.extend_from_array([1, 2]); + + // Here we're safely writing within the valid range of `vec` + // `vec` now has the value [42, 2] + vec.set_unchecked(0, 42); + + // We can then safely read this value back out of `vec`. + // Notice that we use the checked version of `get` which would prevent reading unsafe values. + assert_eq(vec.get(0), 42); + + // We've now written past the end of `vec`. + // As this index is still within the maximum potential length of `v`, + // it won't cause a constraint failure. + vec.set_unchecked(2, 42); + println(vec); + + // This will write past the end of the maximum potential length of `vec`, + // it will then trigger a constraint failure. + vec.set_unchecked(5, 42); + println(vec); +} +``` +> Source code: test_programs/noir_test_success/bounded_vec/src/main.nr#L67-L91 + + + +### push + +```rust +pub fn push(&mut self, elem: T) { +``` + +Pushes an element to the end of the vector. This increases the length +of the vector by one. + +Panics if the new length of the vector will be greater than the max length. + +Example: + +```rust title="bounded-vec-push-example" showLineNumbers +let mut v: BoundedVec = BoundedVec::new(); + + v.push(1); + v.push(2); + + // Panics with failed assertion "push out of bounds" + v.push(3); +``` +> Source code: test_programs/noir_test_success/bounded_vec/src/main.nr#L95-L103 + + +### pop + +```rust +pub fn pop(&mut self) -> T +``` + +Pops the element at the end of the vector. This will decrease the length +of the vector by one. + +Panics if the vector is empty. + +Example: + +```rust title="bounded-vec-pop-example" showLineNumbers +let mut v: BoundedVec = BoundedVec::new(); + v.push(1); + v.push(2); + + let two = v.pop(); + let one = v.pop(); + + assert(two == 2); + assert(one == 1); + // error: cannot pop from an empty vector + // let _ = v.pop(); +``` +> Source code: test_programs/noir_test_success/bounded_vec/src/main.nr#L108-L120 + + +### len + +```rust +pub fn len(self) -> u64 { +``` + +Returns the current length of this vector + +Example: + +```rust title="bounded-vec-len-example" showLineNumbers +let mut v: BoundedVec = BoundedVec::new(); + assert(v.len() == 0); + + v.push(100); + assert(v.len() == 1); + + v.push(200); + v.push(300); + v.push(400); + assert(v.len() == 4); + + let _ = v.pop(); + let _ = v.pop(); + assert(v.len() == 2); +``` +> Source code: test_programs/noir_test_success/bounded_vec/src/main.nr#L125-L140 + + +### max_len + +```rust +pub fn max_len(_self: BoundedVec) -> u64 { +``` + +Returns the maximum length of this vector. This is always +equal to the `MaxLen` parameter this vector was initialized with. + +Example: + +```rust title="bounded-vec-max-len-example" showLineNumbers +let mut v: BoundedVec = BoundedVec::new(); + + assert(v.max_len() == 5); + v.push(10); + assert(v.max_len() == 5); +``` +> Source code: test_programs/noir_test_success/bounded_vec/src/main.nr#L145-L151 + + +### storage + +```rust +pub fn storage(self) -> [T; MaxLen] { +``` + +Returns the internal array within this vector. +Since arrays in Noir are immutable, mutating the returned storage array will not mutate +the storage held internally by this vector. + +Note that uninitialized elements may be zeroed out! + +Example: + +```rust title="bounded-vec-storage-example" showLineNumbers +let mut v: BoundedVec = BoundedVec::new(); + + assert(v.storage() == [0, 0, 0, 0, 0]); + + v.push(57); + assert(v.storage() == [57, 0, 0, 0, 0]); +``` +> Source code: test_programs/noir_test_success/bounded_vec/src/main.nr#L156-L163 + + +### extend_from_array + +```rust +pub fn extend_from_array(&mut self, array: [T; Len]) +``` + +Pushes each element from the given array to this vector. + +Panics if pushing each element would cause the length of this vector +to exceed the maximum length. + +Example: + +```rust title="bounded-vec-extend-from-array-example" showLineNumbers +let mut vec: BoundedVec = BoundedVec::new(); + vec.extend_from_array([2, 4]); + + assert(vec.len == 2); + assert(vec.get(0) == 2); + assert(vec.get(1) == 4); +``` +> Source code: test_programs/noir_test_success/bounded_vec/src/main.nr#L168-L175 + + +### extend_from_bounded_vec + +```rust +pub fn extend_from_bounded_vec(&mut self, vec: BoundedVec) +``` + +Pushes each element from the other vector to this vector. The length of +the other vector is left unchanged. + +Panics if pushing each element would cause the length of this vector +to exceed the maximum length. + +Example: + +```rust title="bounded-vec-extend-from-bounded-vec-example" showLineNumbers +let mut v1: BoundedVec = BoundedVec::new(); + let mut v2: BoundedVec = BoundedVec::new(); + + v2.extend_from_array([1, 2, 3]); + v1.extend_from_bounded_vec(v2); + + assert(v1.storage() == [1, 2, 3, 0, 0]); + assert(v2.storage() == [1, 2, 3, 0, 0, 0, 0]); +``` +> Source code: test_programs/noir_test_success/bounded_vec/src/main.nr#L180-L189 + + +### from_array + +```rust +pub fn from_array(array: [T; Len]) -> Self +``` + +Creates a new vector, populating it with values derived from an array input. +The maximum length of the vector is determined based on the type signature. + +Example: +```rust +let bounded_vec: BoundedVec = BoundedVec::from_array([1, 2, 3]) +``` + +### map + +```rust +pub fn map(self, f: fn[Env](T) -> U) -> BoundedVec +``` + +Creates a new vector of equal size by calling a closure on each element in this vector. + +Example: + +```rust title="bounded-vec-map-example" showLineNumbers +let vec: BoundedVec = BoundedVec::from_array([1, 2, 3, 4]); + let result = vec.map(|value| value * 2); +``` +> Source code: noir_stdlib/src/collections/bounded_vec.nr#L495-L498 + + +### any + +```rust +pub fn any(self, predicate: fn[Env](T) -> bool) -> bool +``` + +Returns true if the given predicate returns true for any element +in this vector. + +Example: + +```rust title="bounded-vec-any-example" showLineNumbers +let mut v: BoundedVec = BoundedVec::new(); + v.extend_from_array([2, 4, 6]); + + let all_even = !v.any(|elem: u32| elem % 2 != 0); + assert(all_even); +``` +> Source code: test_programs/noir_test_success/bounded_vec/src/main.nr#L256-L262 + diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/containers/hashmap.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/containers/hashmap.md new file mode 100644 index 00000000000..395cc312705 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/containers/hashmap.md @@ -0,0 +1,587 @@ +--- +title: HashMap +keywords: [noir, map, hash, hashmap] +sidebar_position: 1 +--- + +`HashMap` is used to efficiently store and look up key-value pairs. + +`HashMap` is a bounded type which can store anywhere from zero to `MaxLen` total elements. +Note that due to hash collisions, the actual maximum number of elements stored by any particular +hashmap is likely lower than `MaxLen`. This is true even with cryptographic hash functions since +every hash value will be performed modulo `MaxLen`. + +Example: + +```rust +// Create a mapping from Fields to u32s with a maximum length of 12 +// using a poseidon2 hasher +use std::hash::poseidon2::Poseidon2Hasher; +let mut map: HashMap> = HashMap::default(); + +map.insert(1, 2); +map.insert(3, 4); + +let two = map.get(1).unwrap(); +``` + +## Methods + +### default + +```rust title="default" showLineNumbers +impl Default for HashMap +where + B: BuildHasher + Default, + H: Hasher + Default, +{ + /// Constructs an empty HashMap. + /// + /// Example: + /// + /// ```noir + /// let hashmap: HashMap> = HashMap::default(); + /// assert(hashmap.is_empty()); + /// ``` + fn default() -> Self { +``` +> Source code: noir_stdlib/src/collections/map.nr#L681-L696 + + +Creates a fresh, empty HashMap. + +When using this function, always make sure to specify the maximum size of the hash map. + +This is the same `default` from the `Default` implementation given further below. It is +repeated here for convenience since it is the recommended way to create a hashmap. + +Example: + +```rust title="default_example" showLineNumbers +let hashmap: HashMap> = HashMap::default(); + assert(hashmap.is_empty()); +``` +> Source code: test_programs/execution_success/hashmap/src/main.nr#L207-L210 + + +Because `HashMap` has so many generic arguments that are likely to be the same throughout +your program, it may be helpful to create a type alias: + +```rust title="type_alias" showLineNumbers +type MyMap = HashMap>; +``` +> Source code: test_programs/execution_success/hashmap/src/main.nr#L201-L203 + + +### with_hasher + +```rust title="with_hasher" showLineNumbers +pub fn with_hasher(_build_hasher: B) -> Self + where + B: BuildHasher, + { +``` +> Source code: noir_stdlib/src/collections/map.nr#L103-L108 + + +Creates a hashmap with an existing `BuildHasher`. This can be used to ensure multiple +hashmaps are created with the same hasher instance. + +Example: + +```rust title="with_hasher_example" showLineNumbers +let my_hasher: BuildHasherDefault = Default::default(); + let hashmap: HashMap> = + HashMap::with_hasher(my_hasher); + assert(hashmap.is_empty()); +``` +> Source code: test_programs/execution_success/hashmap/src/main.nr#L211-L216 + + +### get + +```rust title="get" showLineNumbers +pub fn get(self, key: K) -> Option + where + K: Eq + Hash, + B: BuildHasher, + H: Hasher, + { +``` +> Source code: noir_stdlib/src/collections/map.nr#L465-L472 + + +Retrieves a value from the hashmap, returning `Option::none()` if it was not found. + +Example: + +```rust title="get_example" showLineNumbers +fn get_example(map: HashMap>) { + let x = map.get(12); + + if x.is_some() { + assert(x.unwrap() == 42); + } +} +``` +> Source code: test_programs/execution_success/hashmap/src/main.nr#L296-L304 + + +### insert + +```rust title="insert" showLineNumbers +pub fn insert(&mut self, key: K, value: V) + where + K: Eq + Hash, + B: BuildHasher, + H: Hasher, + { +``` +> Source code: noir_stdlib/src/collections/map.nr#L507-L514 + + +Inserts a new key-value pair into the map. If the key was already in the map, its +previous value will be overridden with the newly provided one. + +Example: + +```rust title="insert_example" showLineNumbers +let mut map: HashMap> = HashMap::default(); + map.insert(12, 42); + assert(map.len() == 1); +``` +> Source code: test_programs/execution_success/hashmap/src/main.nr#L217-L221 + + +### remove + +```rust title="remove" showLineNumbers +pub fn remove(&mut self, key: K) + where + K: Eq + Hash, + B: BuildHasher, + H: Hasher, + { +``` +> Source code: noir_stdlib/src/collections/map.nr#L563-L570 + + +Removes the given key-value pair from the map. If the key was not already present +in the map, this does nothing. + +Example: + +```rust title="remove_example" showLineNumbers +map.remove(12); + assert(map.is_empty()); + + // If a key was not present in the map, remove does nothing + map.remove(12); + assert(map.is_empty()); +``` +> Source code: test_programs/execution_success/hashmap/src/main.nr#L224-L231 + + +### is_empty + +```rust title="is_empty" showLineNumbers +pub fn is_empty(self) -> bool { +``` +> Source code: noir_stdlib/src/collections/map.nr#L167-L169 + + +True if the length of the hash map is empty. + +Example: + +```rust title="is_empty_example" showLineNumbers +assert(map.is_empty()); + + map.insert(1, 2); + assert(!map.is_empty()); + + map.remove(1); + assert(map.is_empty()); +``` +> Source code: test_programs/execution_success/hashmap/src/main.nr#L232-L240 + + +### len + +```rust title="len" showLineNumbers +pub fn len(self) -> u32 { +``` +> Source code: noir_stdlib/src/collections/map.nr#L424-L426 + + +Returns the current length of this hash map. + +Example: + +```rust title="len_example" showLineNumbers +// This is equivalent to checking map.is_empty() + assert(map.len() == 0); + + map.insert(1, 2); + map.insert(3, 4); + map.insert(5, 6); + assert(map.len() == 3); + + // 3 was already present as a key in the hash map, so the length is unchanged + map.insert(3, 7); + assert(map.len() == 3); + + map.remove(1); + assert(map.len() == 2); +``` +> Source code: test_programs/execution_success/hashmap/src/main.nr#L241-L256 + + +### capacity + +```rust title="capacity" showLineNumbers +pub fn capacity(_self: Self) -> u32 { +``` +> Source code: noir_stdlib/src/collections/map.nr#L446-L448 + + +Returns the maximum capacity of this hashmap. This is always equal to the capacity +specified in the hashmap's type. + +Unlike hashmaps in general purpose programming languages, hashmaps in Noir have a +static capacity that does not increase as the map grows larger. Thus, this capacity +is also the maximum possible element count that can be inserted into the hashmap. +Due to hash collisions (modulo the hashmap length), it is likely the actual maximum +element count will be lower than the full capacity. + +Example: + +```rust title="capacity_example" showLineNumbers +let empty_map: HashMap> = + HashMap::default(); + assert(empty_map.len() == 0); + assert(empty_map.capacity() == 42); +``` +> Source code: test_programs/execution_success/hashmap/src/main.nr#L257-L262 + + +### clear + +```rust title="clear" showLineNumbers +pub fn clear(&mut self) { +``` +> Source code: noir_stdlib/src/collections/map.nr#L123-L125 + + +Clears the hashmap, removing all key-value pairs from it. + +Example: + +```rust title="clear_example" showLineNumbers +assert(!map.is_empty()); + map.clear(); + assert(map.is_empty()); +``` +> Source code: test_programs/execution_success/hashmap/src/main.nr#L263-L267 + + +### contains_key + +```rust title="contains_key" showLineNumbers +pub fn contains_key(self, key: K) -> bool + where + K: Hash + Eq, + B: BuildHasher, + H: Hasher, + { +``` +> Source code: noir_stdlib/src/collections/map.nr#L143-L150 + + +True if the hashmap contains the given key. Unlike `get`, this will not also return +the value associated with the key. + +Example: + +```rust title="contains_key_example" showLineNumbers +if map.contains_key(7) { + let value = map.get(7); + assert(value.is_some()); + } else { + println("No value for key 7!"); + } +``` +> Source code: test_programs/execution_success/hashmap/src/main.nr#L268-L275 + + +### entries + +```rust title="entries" showLineNumbers +pub fn entries(self) -> BoundedVec<(K, V), N> { +``` +> Source code: noir_stdlib/src/collections/map.nr#L191-L193 + + +Returns a vector of each key-value pair present in the hashmap. + +The length of the returned vector is always equal to the length of the hashmap. + +Example: + +```rust title="entries_example" showLineNumbers +let entries = map.entries(); + + // The length of a hashmap may not be compile-time known, so we + // need to loop over its capacity instead + for i in 0..map.capacity() { + if i < entries.len() { + let (key, value) = entries.get(i); + println(f"{key} -> {value}"); + } + } +``` +> Source code: test_programs/execution_success/hashmap/src/main.nr#L307-L318 + + +### keys + +```rust title="keys" showLineNumbers +pub fn keys(self) -> BoundedVec { +``` +> Source code: noir_stdlib/src/collections/map.nr#L227-L229 + + +Returns a vector of each key present in the hashmap. + +The length of the returned vector is always equal to the length of the hashmap. + +Example: + +```rust title="keys_example" showLineNumbers +let keys = map.keys(); + + for i in 0..keys.max_len() { + if i < keys.len() { + let key = keys.get_unchecked(i); + let value = map.get(key).unwrap_unchecked(); + println(f"{key} -> {value}"); + } + } +``` +> Source code: test_programs/execution_success/hashmap/src/main.nr#L319-L329 + + +### values + +```rust title="values" showLineNumbers +pub fn values(self) -> BoundedVec { +``` +> Source code: noir_stdlib/src/collections/map.nr#L262-L264 + + +Returns a vector of each value present in the hashmap. + +The length of the returned vector is always equal to the length of the hashmap. + +Example: + +```rust title="values_example" showLineNumbers +let values = map.values(); + + for i in 0..values.max_len() { + if i < values.len() { + let value = values.get_unchecked(i); + println(f"Found value {value}"); + } + } +``` +> Source code: test_programs/execution_success/hashmap/src/main.nr#L330-L339 + + +### iter_mut + +```rust title="iter_mut" showLineNumbers +pub fn iter_mut(&mut self, f: fn(K, V) -> (K, V)) + where + K: Eq + Hash, + B: BuildHasher, + H: Hasher, + { +``` +> Source code: noir_stdlib/src/collections/map.nr#L297-L304 + + +Iterates through each key-value pair of the HashMap, setting each key-value pair to the +result returned from the given function. + +Note that since keys can be mutated, the HashMap needs to be rebuilt as it is iterated +through. If this is not desired, use `iter_values_mut` if only values need to be mutated, +or `entries` if neither keys nor values need to be mutated. + +The iteration order is left unspecified. As a result, if two keys are mutated to become +equal, which of the two values that will be present for the key in the resulting map is also unspecified. + +Example: + +```rust title="iter_mut_example" showLineNumbers +// Add 1 to each key in the map, and double the value associated with that key. + map.iter_mut(|k, v| (k + 1, v * 2)); +``` +> Source code: test_programs/execution_success/hashmap/src/main.nr#L343-L346 + + +### iter_keys_mut + +```rust title="iter_keys_mut" showLineNumbers +pub fn iter_keys_mut(&mut self, f: fn(K) -> K) + where + K: Eq + Hash, + B: BuildHasher, + H: Hasher, + { +``` +> Source code: noir_stdlib/src/collections/map.nr#L335-L342 + + +Iterates through the HashMap, mutating each key to the result returned from +the given function. + +Note that since keys can be mutated, the HashMap needs to be rebuilt as it is iterated +through. If only iteration is desired and the keys are not intended to be mutated, +prefer using `entries` instead. + +The iteration order is left unspecified. As a result, if two keys are mutated to become +equal, which of the two values that will be present for the key in the resulting map is also unspecified. + +Example: + +```rust title="iter_keys_mut_example" showLineNumbers +// Double each key, leaving the value associated with that key untouched + map.iter_keys_mut(|k| k * 2); +``` +> Source code: test_programs/execution_success/hashmap/src/main.nr#L347-L350 + + +### iter_values_mut + +```rust title="iter_values_mut" showLineNumbers +pub fn iter_values_mut(&mut self, f: fn(V) -> V) { +``` +> Source code: noir_stdlib/src/collections/map.nr#L367-L369 + + +Iterates through the HashMap, applying the given function to each value and mutating the +value to equal the result. This function is more efficient than `iter_mut` and `iter_keys_mut` +because the keys are untouched and the underlying hashmap thus does not need to be reordered. + +Example: + +```rust title="iter_values_mut_example" showLineNumbers +// Halve each value + map.iter_values_mut(|v| v / 2); +``` +> Source code: test_programs/execution_success/hashmap/src/main.nr#L351-L354 + + +### retain + +```rust title="retain" showLineNumbers +pub fn retain(&mut self, f: fn(K, V) -> bool) { +``` +> Source code: noir_stdlib/src/collections/map.nr#L388-L390 + + +Retains only the key-value pairs for which the given function returns true. +Any key-value pairs for which the function returns false will be removed from the map. + +Example: + +```rust title="retain_example" showLineNumbers +map.retain(|k, v| (k != 0) & (v != 0)); +``` +> Source code: test_programs/execution_success/hashmap/src/main.nr#L279-L281 + + +## Trait Implementations + +### default + +```rust title="default" showLineNumbers +impl Default for HashMap +where + B: BuildHasher + Default, + H: Hasher + Default, +{ + /// Constructs an empty HashMap. + /// + /// Example: + /// + /// ```noir + /// let hashmap: HashMap> = HashMap::default(); + /// assert(hashmap.is_empty()); + /// ``` + fn default() -> Self { +``` +> Source code: noir_stdlib/src/collections/map.nr#L681-L696 + + +Constructs an empty HashMap. + +Example: + +```rust title="default_example" showLineNumbers +let hashmap: HashMap> = HashMap::default(); + assert(hashmap.is_empty()); +``` +> Source code: test_programs/execution_success/hashmap/src/main.nr#L207-L210 + + +### eq + +```rust title="eq" showLineNumbers +impl Eq for HashMap +where + K: Eq + Hash, + V: Eq, + B: BuildHasher, + H: Hasher, +{ + /// Checks if two HashMaps are equal. + /// + /// Example: + /// + /// ```noir + /// let mut map1: HashMap> = HashMap::default(); + /// let mut map2: HashMap> = HashMap::default(); + /// + /// map1.insert(1, 2); + /// map1.insert(3, 4); + /// + /// map2.insert(3, 4); + /// map2.insert(1, 2); + /// + /// assert(map1 == map2); + /// ``` + fn eq(self, other: HashMap) -> bool { +``` +> Source code: noir_stdlib/src/collections/map.nr#L629-L654 + + +Checks if two HashMaps are equal. + +Example: + +```rust title="eq_example" showLineNumbers +let mut map1: HashMap> = HashMap::default(); + let mut map2: HashMap> = HashMap::default(); + + map1.insert(1, 2); + map1.insert(3, 4); + + map2.insert(3, 4); + map2.insert(1, 2); + + assert(map1 == map2); +``` +> Source code: test_programs/execution_success/hashmap/src/main.nr#L282-L293 + diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/containers/index.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/containers/index.md new file mode 100644 index 00000000000..ea84c6d5c21 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/containers/index.md @@ -0,0 +1,5 @@ +--- +title: Containers +description: Container types provided by Noir's standard library for storing and retrieving data +keywords: [containers, data types, vec, hashmap] +--- diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/containers/vec.mdx b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/containers/vec.mdx new file mode 100644 index 00000000000..475011922f8 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/containers/vec.mdx @@ -0,0 +1,170 @@ +--- +title: Vectors +description: Delve into the Vec data type in Noir. Learn about its methods, practical examples, and best practices for using Vectors in your Noir code. +keywords: [noir, vector type, methods, examples, dynamic arrays] +sidebar_position: 6 +--- + +import Experimental from '@site/src/components/Notes/_experimental.mdx'; + + + +A vector is a collection type similar to Rust's `Vec` type. In Noir, it is a convenient way to use slices as mutable arrays. + +Example: + +```rust +let mut vector: Vec = Vec::new(); +for i in 0..5 { + vector.push(i); +} +assert(vector.len() == 5); +``` + +## Methods + +### new + +Creates a new, empty vector. + +```rust +pub fn new() -> Self +``` + +Example: + +```rust +let empty_vector: Vec = Vec::new(); +assert(empty_vector.len() == 0); +``` + +### from_slice + +Creates a vector containing each element from a given slice. Mutations to the resulting vector will not affect the original slice. + +```rust +pub fn from_slice(slice: [T]) -> Self +``` + +Example: + +```rust +let slice: [Field] = &[1, 2, 3]; +let vector_from_slice = Vec::from_slice(slice); +assert(vector_from_slice.len() == 3); +``` + +### len + +Returns the number of elements in the vector. + +```rust +pub fn len(self) -> Field +``` + +Example: + +```rust +let empty_vector: Vec = Vec::new(); +assert(empty_vector.len() == 0); +``` + +### get + +Retrieves an element from the vector at a given index. Panics if the index points beyond the vector's end. + +```rust +pub fn get(self, index: Field) -> T +``` + +Example: + +```rust +let vector: Vec = Vec::from_slice(&[10, 20, 30]); +assert(vector.get(1) == 20); +``` + +### set + +```rust +pub fn set(&mut self: Self, index: u64, value: T) { +``` + +Writes an element to the vector at the given index, starting from zero. + +Panics if the index points beyond the vector's end. + +Example: + +```rust +let vector: Vec = Vec::from_slice(&[10, 20, 30]); +assert(vector.get(1) == 20); +vector.set(1, 42); +assert(vector.get(1) == 42); +``` + +### push + +Adds a new element to the vector's end, returning a new vector with a length one greater than the original unmodified vector. + +```rust +pub fn push(&mut self, elem: T) +``` + +Example: + +```rust +let mut vector: Vec = Vec::new(); +vector.push(10); +assert(vector.len() == 1); +``` + +### pop + +Removes an element from the vector's end, returning a new vector with a length one less than the original vector, along with the removed element. Panics if the vector's length is zero. + +```rust +pub fn pop(&mut self) -> T +``` + +Example: + +```rust +let mut vector = Vec::from_slice(&[10, 20]); +let popped_elem = vector.pop(); +assert(popped_elem == 20); +assert(vector.len() == 1); +``` + +### insert + +Inserts an element at a specified index, shifting subsequent elements to the right. + +```rust +pub fn insert(&mut self, index: Field, elem: T) +``` + +Example: + +```rust +let mut vector = Vec::from_slice(&[10, 30]); +vector.insert(1, 20); +assert(vector.get(1) == 20); +``` + +### remove + +Removes an element at a specified index, shifting subsequent elements to the left, and returns the removed element. + +```rust +pub fn remove(&mut self, index: Field) -> T +``` + +Example: + +```rust +let mut vector = Vec::from_slice(&[10, 20, 30]); +let removed_elem = vector.remove(1); +assert(removed_elem == 20); +assert(vector.len() == 2); +``` diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/cryptographic_primitives/_category_.json b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/cryptographic_primitives/_category_.json new file mode 100644 index 00000000000..5d694210bbf --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/cryptographic_primitives/_category_.json @@ -0,0 +1,5 @@ +{ + "position": 0, + "collapsible": true, + "collapsed": true +} diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/cryptographic_primitives/ciphers.mdx b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/cryptographic_primitives/ciphers.mdx new file mode 100644 index 00000000000..d6a5e1a79eb --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/cryptographic_primitives/ciphers.mdx @@ -0,0 +1,32 @@ +--- +title: Ciphers +description: + Learn about the implemented ciphers ready to use for any Noir project +keywords: + [ciphers, Noir project, aes128, encrypt] +sidebar_position: 0 +--- + +import BlackBoxInfo from '@site/src/components/Notes/_blackbox'; + +## aes128 + +Given a plaintext as an array of bytes, returns the corresponding aes128 ciphertext (CBC mode). Input padding is automatically performed using PKCS#7, so that the output length is `input.len() + (16 - input.len() % 16)`. + +```rust title="aes128" showLineNumbers +pub fn aes128_encrypt(input: [u8; N], iv: [u8; 16], key: [u8; 16]) -> [u8] {} +``` +> Source code: noir_stdlib/src/aes128.nr#L2-L4 + + +```rust +fn main() { + let input: [u8; 4] = [0, 12, 3, 15] // Random bytes, will be padded to 16 bytes. + let iv: [u8; 16] = [0; 16]; // Initialisation vector + let key: [u8; 16] = [0; 16] // AES key + let ciphertext = std::aes128::aes128_encrypt(inputs.as_bytes(), iv.as_bytes(), key.as_bytes()); // In this case, the output length will be 16 bytes. +} +``` + + + \ No newline at end of file diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/cryptographic_primitives/ec_primitives.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/cryptographic_primitives/ec_primitives.md new file mode 100644 index 00000000000..f262d8160d6 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/cryptographic_primitives/ec_primitives.md @@ -0,0 +1,102 @@ +--- +title: Elliptic Curve Primitives +keywords: [cryptographic primitives, Noir project] +sidebar_position: 4 +--- + +Data structures and methods on them that allow you to carry out computations involving elliptic +curves over the (mathematical) field corresponding to `Field`. For the field currently at our +disposal, applications would involve a curve embedded in BN254, e.g. the +[Baby Jubjub curve](https://eips.ethereum.org/EIPS/eip-2494). + +## Data structures + +### Elliptic curve configurations + +(`std::ec::{tecurve,montcurve,swcurve}::{affine,curvegroup}::Curve`), i.e. the specific elliptic +curve you want to use, which would be specified using any one of the methods +`std::ec::{tecurve,montcurve,swcurve}::{affine,curvegroup}::new` which take the coefficients in the +defining equation together with a generator point as parameters. You can find more detail in the +comments in +[`noir_stdlib/src/ec/mod.nr`](https://github.com/noir-lang/noir/blob/master/noir_stdlib/src/ec/mod.nr), but +the gist of it is that the elliptic curves of interest are usually expressed in one of the standard +forms implemented here (Twisted Edwards, Montgomery and Short Weierstraß), and in addition to that, +you could choose to use `affine` coordinates (Cartesian coordinates - the usual (x,y) - possibly +together with a point at infinity) or `curvegroup` coordinates (some form of projective coordinates +requiring more coordinates but allowing for more efficient implementations of elliptic curve +operations). Conversions between all of these forms are provided, and under the hood these +conversions are done whenever an operation is more efficient in a different representation (or a +mixed coordinate representation is employed). + +### Points + +(`std::ec::{tecurve,montcurve,swcurve}::{affine,curvegroup}::Point`), i.e. points lying on the +elliptic curve. For a curve configuration `c` and a point `p`, it may be checked that `p` +does indeed lie on `c` by calling `c.contains(p1)`. + +## Methods + +(given a choice of curve representation, e.g. use `std::ec::tecurve::affine::Curve` and use +`std::ec::tecurve::affine::Point`) + +- The **zero element** is given by `Point::zero()`, and we can verify whether a point `p: Point` is + zero by calling `p.is_zero()`. +- **Equality**: Points `p1: Point` and `p2: Point` may be checked for equality by calling + `p1.eq(p2)`. +- **Addition**: For `c: Curve` and points `p1: Point` and `p2: Point` on the curve, adding these two + points is accomplished by calling `c.add(p1,p2)`. +- **Negation**: For a point `p: Point`, `p.negate()` is its negation. +- **Subtraction**: For `c` and `p1`, `p2` as above, subtracting `p2` from `p1` is accomplished by + calling `c.subtract(p1,p2)`. +- **Scalar multiplication**: For `c` as above, `p: Point` a point on the curve and `n: Field`, + scalar multiplication is given by `c.mul(n,p)`. If instead `n :: [u1; N]`, i.e. `n` is a bit + array, the `bit_mul` method may be used instead: `c.bit_mul(n,p)` +- **Multi-scalar multiplication**: For `c` as above and arrays `n: [Field; N]` and `p: [Point; N]`, + multi-scalar multiplication is given by `c.msm(n,p)`. +- **Coordinate representation conversions**: The `into_group` method converts a point or curve + configuration in the affine representation to one in the CurveGroup representation, and + `into_affine` goes in the other direction. +- **Curve representation conversions**: `tecurve` and `montcurve` curves and points are equivalent + and may be converted between one another by calling `into_montcurve` or `into_tecurve` on their + configurations or points. `swcurve` is more general and a curve c of one of the other two types + may be converted to this representation by calling `c.into_swcurve()`, whereas a point `p` lying + on the curve given by `c` may be mapped to its corresponding `swcurve` point by calling + `c.map_into_swcurve(p)`. +- **Map-to-curve methods**: The Elligator 2 method of mapping a field element `n: Field` into a + `tecurve` or `montcurve` with configuration `c` may be called as `c.elligator2_map(n)`. For all of + the curve configurations, the SWU map-to-curve method may be called as `c.swu_map(z,n)`, where + `z: Field` depends on `Field` and `c` and must be chosen by the user (the conditions it needs to + satisfy are specified in the comments + [here](https://github.com/noir-lang/noir/blob/master/noir_stdlib/src/ec/mod.nr)). + +## Examples + +The +[ec_baby_jubjub test](https://github.com/noir-lang/noir/blob/master/test_programs/compile_success_empty/ec_baby_jubjub/src/main.nr) +illustrates all of the above primitives on various forms of the Baby Jubjub curve. A couple of more +interesting examples in Noir would be: + +Public-key cryptography: Given an elliptic curve and a 'base point' on it, determine the public key +from the private key. This is a matter of using scalar multiplication. In the case of Baby Jubjub, +for example, this code would do: + +```rust +use std::ec::tecurve::affine::{Curve, Point}; + +fn bjj_pub_key(priv_key: Field) -> Point +{ + + let bjj = Curve::new(168700, 168696, G::new(995203441582195749578291179787384436505546430278305826713579947235728471134,5472060717959818805561601436314318772137091100104008585924551046643952123905)); + + let base_pt = Point::new(5299619240641551281634865583518297030282874472190772894086521144482721001553, 16950150798460657717958625567821834550301663161624707787222815936182638968203); + + bjj.mul(priv_key,base_pt) +} +``` + +This would come in handy in a Merkle proof. + +- EdDSA signature verification: This is a matter of combining these primitives with a suitable hash + function. See + [feat(stdlib): EdDSA sig verification noir#1136](https://github.com/noir-lang/noir/pull/1136) for + the case of Baby Jubjub and the Poseidon hash function. diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/cryptographic_primitives/ecdsa_sig_verification.mdx b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/cryptographic_primitives/ecdsa_sig_verification.mdx new file mode 100644 index 00000000000..8d96027b42c --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/cryptographic_primitives/ecdsa_sig_verification.mdx @@ -0,0 +1,98 @@ +--- +title: ECDSA Signature Verification +description: Learn about the cryptographic primitives regarding ECDSA over the secp256k1 and secp256r1 curves +keywords: [cryptographic primitives, Noir project, ecdsa, secp256k1, secp256r1, signatures] +sidebar_position: 3 +--- + +import BlackBoxInfo from '@site/src/components/Notes/_blackbox'; + +Noir supports ECDSA signatures verification over the secp256k1 and secp256r1 curves. + +## ecdsa_secp256k1::verify_signature + +Verifier for ECDSA Secp256k1 signatures. +See ecdsa_secp256k1::verify_signature_slice for a version that accepts slices directly. + +```rust title="ecdsa_secp256k1" showLineNumbers +pub fn verify_signature( + public_key_x: [u8; 32], + public_key_y: [u8; 32], + signature: [u8; 64], + message_hash: [u8; N], +) -> bool +``` +> Source code: noir_stdlib/src/ecdsa_secp256k1.nr#L2-L9 + + +example: + +```rust +fn main(hashed_message : [u8;32], pub_key_x : [u8;32], pub_key_y : [u8;32], signature : [u8;64]) { + let valid_signature = std::ecdsa_secp256k1::verify_signature(pub_key_x, pub_key_y, signature, hashed_message); + assert(valid_signature); +} +``` + + + +## ecdsa_secp256k1::verify_signature_slice + +Verifier for ECDSA Secp256k1 signatures where the message is a slice. + +```rust title="ecdsa_secp256k1_slice" showLineNumbers +pub fn verify_signature_slice( + public_key_x: [u8; 32], + public_key_y: [u8; 32], + signature: [u8; 64], + message_hash: [u8], +) -> bool +``` +> Source code: noir_stdlib/src/ecdsa_secp256k1.nr#L13-L20 + + + + +## ecdsa_secp256r1::verify_signature + +Verifier for ECDSA Secp256r1 signatures. +See ecdsa_secp256r1::verify_signature_slice for a version that accepts slices directly. + +```rust title="ecdsa_secp256r1" showLineNumbers +pub fn verify_signature( + public_key_x: [u8; 32], + public_key_y: [u8; 32], + signature: [u8; 64], + message_hash: [u8; N], +) -> bool +``` +> Source code: noir_stdlib/src/ecdsa_secp256r1.nr#L2-L9 + + +example: + +```rust +fn main(hashed_message : [u8;32], pub_key_x : [u8;32], pub_key_y : [u8;32], signature : [u8;64]) { + let valid_signature = std::ecdsa_secp256r1::verify_signature(pub_key_x, pub_key_y, signature, hashed_message); + assert(valid_signature); +} +``` + + + +## ecdsa_secp256r1::verify_signature + +Verifier for ECDSA Secp256r1 signatures where the message is a slice. + +```rust title="ecdsa_secp256r1_slice" showLineNumbers +pub fn verify_signature_slice( + public_key_x: [u8; 32], + public_key_y: [u8; 32], + signature: [u8; 64], + message_hash: [u8], +) -> bool +``` +> Source code: noir_stdlib/src/ecdsa_secp256r1.nr#L13-L20 + + + diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/cryptographic_primitives/eddsa.mdx b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/cryptographic_primitives/eddsa.mdx new file mode 100644 index 00000000000..b283de693c8 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/cryptographic_primitives/eddsa.mdx @@ -0,0 +1,37 @@ +--- +title: EdDSA Verification +description: Learn about the cryptographic primitives regarding EdDSA +keywords: [cryptographic primitives, Noir project, eddsa, signatures] +sidebar_position: 5 +--- + +import BlackBoxInfo from '@site/src/components/Notes/_blackbox'; + +## eddsa::eddsa_poseidon_verify + +Verifier for EdDSA signatures + +```rust +fn eddsa_poseidon_verify(public_key_x : Field, public_key_y : Field, signature_s: Field, signature_r8_x: Field, signature_r8_y: Field, message: Field) -> bool +``` + +It is also possible to specify the hash algorithm used for the signature by using the `eddsa_verify` function by passing a type implementing the Hasher trait with the turbofish operator. +For instance, if you want to use Poseidon2 instead, you can do the following: +```rust +use std::hash::poseidon2::Poseidon2Hasher; + +eddsa_verify::(pub_key_a.x, pub_key_a.y, s_a, r8_a.x, r8_a.y, msg); +``` + + + +## eddsa::eddsa_to_pub + +Private to public key conversion. + +Returns `(pub_key_x, pub_key_y)` + +```rust +fn eddsa_to_pub(secret : Field) -> (Field, Field) +``` + diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/cryptographic_primitives/embedded_curve_ops.mdx b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/cryptographic_primitives/embedded_curve_ops.mdx new file mode 100644 index 00000000000..482a36932b9 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/cryptographic_primitives/embedded_curve_ops.mdx @@ -0,0 +1,95 @@ +--- +title: Scalar multiplication +description: See how you can perform scalar multiplication in Noir +keywords: [cryptographic primitives, Noir project, scalar multiplication] +sidebar_position: 1 +--- + +import BlackBoxInfo from '@site/src/components/Notes/_blackbox'; + +The following functions perform operations over the embedded curve whose coordinates are defined by the configured noir field. +For the BN254 scalar field, this is BabyJubJub or Grumpkin. + +:::note +Suffixes `_low` and `_high` denote low and high limbs of a scalar. +::: + +## embedded_curve_ops::multi_scalar_mul + +Performs multi scalar multiplication over the embedded curve. +The function accepts arbitrary amount of point-scalar pairs on the input, it multiplies the individual pairs over +the curve and returns a sum of the resulting points. + +Points represented as x and y coordinates [x1, y1, x2, y2, ...], scalars as low and high limbs [low1, high1, low2, high2, ...]. + +```rust title="multi_scalar_mul" showLineNumbers +pub fn multi_scalar_mul( + points: [EmbeddedCurvePoint; N], + scalars: [EmbeddedCurveScalar; N], +) -> EmbeddedCurvePoint +``` +> Source code: noir_stdlib/src/embedded_curve_ops.nr#L103-L108 + + +example + +```rust +fn main(point_x: Field, point_y: Field, scalar_low: Field, scalar_high: Field) { + let point = std::embedded_curve_ops::multi_scalar_mul([point_x, point_y], [scalar_low, scalar_high]); + println(point); +} +``` + +## embedded_curve_ops::fixed_base_scalar_mul + +Performs fixed base scalar multiplication over the embedded curve (multiplies input scalar with a generator point). +The function accepts a single scalar on the input represented as 2 fields. + +```rust title="fixed_base_scalar_mul" showLineNumbers +pub fn fixed_base_scalar_mul(scalar: EmbeddedCurveScalar) -> EmbeddedCurvePoint +``` +> Source code: noir_stdlib/src/embedded_curve_ops.nr#L120-L122 + + +example + +```rust +fn main(scalar_low: Field, scalar_high: Field) { + let point = std::embedded_curve_ops::fixed_base_scalar_mul(scalar_low, scalar_high); + println(point); +} +``` + +## embedded_curve_ops::embedded_curve_add + +Adds two points on the embedded curve. +This function takes two `EmbeddedCurvePoint` structures as parameters, representing points on the curve, and returns a new `EmbeddedCurvePoint` structure that represents their sum. + +### Parameters: +- `point1` (`EmbeddedCurvePoint`): The first point to add. +- `point2` (`EmbeddedCurvePoint`): The second point to add. + +### Returns: +- `EmbeddedCurvePoint`: The resulting point after the addition of `point1` and `point2`. + +```rust title="embedded_curve_add" showLineNumbers +pub fn embedded_curve_add( + point1: EmbeddedCurvePoint, + point2: EmbeddedCurvePoint, +) -> EmbeddedCurvePoint { +``` +> Source code: noir_stdlib/src/embedded_curve_ops.nr#L136-L141 + + +example + +```rust +fn main() { + let point1 = EmbeddedCurvePoint { x: 1, y: 2 }; + let point2 = EmbeddedCurvePoint { x: 3, y: 4 }; + let result = std::embedded_curve_ops::embedded_curve_add(point1, point2); + println!("Resulting Point: ({}, {})", result.x, result.y); +} +``` + + diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/cryptographic_primitives/hashes.mdx b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/cryptographic_primitives/hashes.mdx new file mode 100644 index 00000000000..541a1971561 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/cryptographic_primitives/hashes.mdx @@ -0,0 +1,227 @@ +--- +title: Hash methods +description: + Learn about the cryptographic primitives ready to use for any Noir project, including sha256, + blake2s and pedersen +keywords: + [cryptographic primitives, Noir project, sha256, blake2s, pedersen, hash] +sidebar_position: 0 +--- + +import BlackBoxInfo from '@site/src/components/Notes/_blackbox'; + +## sha256 + +Given an array of bytes, returns the resulting sha256 hash. +Specify a message_size to hash only the first `message_size` bytes of the input. + +```rust title="sha256" showLineNumbers +pub fn sha256(input: [u8; N]) -> HASH +``` +> Source code: noir_stdlib/src/hash/sha256.nr#L47-L49 + + +example: +```rust title="sha256_var" showLineNumbers +let digest = std::hash::sha256_var([x as u8], 1); +``` +> Source code: test_programs/execution_success/sha256/src/main.nr#L15-L17 + + +```rust +fn main() { + let x = [163, 117, 178, 149]; // some random bytes + let hash = std::sha256::sha256_var(x, 4); +} +``` + + + + +## blake2s + +Given an array of bytes, returns an array with the Blake2 hash + +```rust title="blake2s" showLineNumbers +pub fn blake2s(input: [u8; N]) -> [u8; 32] +``` +> Source code: noir_stdlib/src/hash/mod.nr#L18-L20 + + +example: + +```rust +fn main() { + let x = [163, 117, 178, 149]; // some random bytes + let hash = std::hash::blake2s(x); +} +``` + + + +## blake3 + +Given an array of bytes, returns an array with the Blake3 hash + +```rust title="blake3" showLineNumbers +pub fn blake3(input: [u8; N]) -> [u8; 32] +``` +> Source code: noir_stdlib/src/hash/mod.nr#L24-L26 + + +example: + +```rust +fn main() { + let x = [163, 117, 178, 149]; // some random bytes + let hash = std::hash::blake3(x); +} +``` + + + +## pedersen_hash + +Given an array of Fields, returns the Pedersen hash. + +```rust title="pedersen_hash" showLineNumbers +pub fn pedersen_hash(input: [Field; N]) -> Field +``` +> Source code: noir_stdlib/src/hash/mod.nr#L49-L51 + + +example: + +```rust title="pedersen-hash" showLineNumbers +fn main(x: Field, y: Field, expected_hash: Field) { + let hash = std::hash::pedersen_hash([x, y]); + assert_eq(hash, expected_hash); +} +``` +> Source code: test_programs/execution_success/pedersen_hash/src/main.nr#L1-L6 + + + + +## pedersen_commitment + +Given an array of Fields, returns the Pedersen commitment. + +```rust title="pedersen_commitment" showLineNumbers +pub fn pedersen_commitment(input: [Field; N]) -> EmbeddedCurvePoint { +``` +> Source code: noir_stdlib/src/hash/mod.nr#L29-L31 + + +example: + +```rust title="pedersen-commitment" showLineNumbers +fn main(x: Field, y: Field, expected_commitment: std::embedded_curve_ops::EmbeddedCurvePoint) { + let commitment = std::hash::pedersen_commitment([x, y]); + assert_eq(commitment.x, expected_commitment.x); + assert_eq(commitment.y, expected_commitment.y); +} +``` +> Source code: test_programs/execution_success/pedersen_commitment/src/main.nr#L1-L7 + + + + +## keccak256 + +Given an array of bytes (`u8`), returns the resulting keccak hash as an array of +32 bytes (`[u8; 32]`). Specify a message_size to hash only the first +`message_size` bytes of the input. + +```rust title="keccak256" showLineNumbers +pub fn keccak256(input: [u8; N], message_size: u32) -> [u8; 32] +``` +> Source code: noir_stdlib/src/hash/mod.nr#L116-L118 + + +example: + +```rust title="keccak256" showLineNumbers +fn main(x: Field, result: [u8; 32]) { + // We use the `as` keyword here to denote the fact that we want to take just the first byte from the x Field + // The padding is taken care of by the program + let digest = std::hash::keccak256([x as u8], 1); + assert(digest == result); + + //#1399: variable message size + let message_size = 4; + let hash_a = std::hash::keccak256([1, 2, 3, 4], message_size); + let hash_b = std::hash::keccak256([1, 2, 3, 4, 0, 0, 0, 0], message_size); + + assert(hash_a == hash_b); + + let message_size_big = 8; + let hash_c = std::hash::keccak256([1, 2, 3, 4, 0, 0, 0, 0], message_size_big); + + assert(hash_a != hash_c); +} +``` +> Source code: test_programs/execution_success/keccak256/src/main.nr#L1-L20 + + + + +## poseidon + +Given an array of Fields, returns a new Field with the Poseidon Hash. Mind that you need to specify +how many inputs are there to your Poseidon function. + +```rust +// example for hash_1, hash_2 accepts an array of length 2, etc +fn hash_1(input: [Field; 1]) -> Field +``` + +example: + +```rust title="poseidon" showLineNumbers +use std::hash::poseidon; + +fn main(x1: [Field; 2], y1: pub Field, x2: [Field; 4], y2: pub Field) { + let hash1 = poseidon::bn254::hash_2(x1); + assert(hash1 == y1); + + let hash2 = poseidon::bn254::hash_4(x2); + assert(hash2 == y2); +} +``` +> Source code: test_programs/execution_success/poseidon_bn254_hash/src/main.nr#L1-L11 + + +## poseidon 2 + +Given an array of Fields, returns a new Field with the Poseidon2 Hash. Contrary to the Poseidon +function, there is only one hash and you can specify a message_size to hash only the first +`message_size` bytes of the input, + +```rust +// example for hashing the first three elements of the input +Poseidon2::hash(input, 3); +``` + +example: + +```rust title="poseidon2" showLineNumbers +use std::hash::poseidon2; + +fn main(inputs: [Field; 4], expected_hash: Field) { + let hash = poseidon2::Poseidon2::hash(inputs, inputs.len()); + assert_eq(hash, expected_hash); +} +``` +> Source code: test_programs/execution_success/poseidon2/src/main.nr#L1-L8 + + +## hash_to_field + +```rust +fn hash_to_field(_input : [Field]) -> Field {} +``` + +Calculates the `blake2s` hash of the inputs and returns the hash modulo the field modulus to return +a value which can be represented as a `Field`. + diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/cryptographic_primitives/index.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/cryptographic_primitives/index.md new file mode 100644 index 00000000000..650f30165d5 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/cryptographic_primitives/index.md @@ -0,0 +1,14 @@ +--- +title: Cryptographic Primitives +description: + Learn about the cryptographic primitives ready to use for any Noir project +keywords: + [ + cryptographic primitives, + Noir project, + ] +--- + +The Noir team is progressively adding new cryptographic primitives to the standard library. Reach out for news or if you would be interested in adding more of these calculations in Noir. + +Some methods are available thanks to the Aztec backend, not being performed using Noir. When using other backends, these methods may or may not be supplied. diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/cryptographic_primitives/schnorr.mdx b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/cryptographic_primitives/schnorr.mdx new file mode 100644 index 00000000000..030452645c5 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/cryptographic_primitives/schnorr.mdx @@ -0,0 +1,64 @@ +--- +title: Schnorr Signatures +description: Learn how you can verify Schnorr signatures using Noir +keywords: [cryptographic primitives, Noir project, schnorr, signatures] +sidebar_position: 2 +--- + +import BlackBoxInfo from '@site/src/components/Notes/_blackbox'; + +## schnorr::verify_signature + +Verifier for Schnorr signatures over the embedded curve (for BN254 it is Grumpkin). +See schnorr::verify_signature_slice for a version that works directly on slices. + +```rust title="schnorr_verify" showLineNumbers +pub fn verify_signature( + public_key_x: Field, + public_key_y: Field, + signature: [u8; 64], + message: [u8; N], +) -> bool +``` +> Source code: noir_stdlib/src/schnorr.nr#L4-L11 + + +where `_signature` can be generated like so using the npm package +[@noir-lang/barretenberg](https://www.npmjs.com/package/@noir-lang/barretenberg) + +```js +const { BarretenbergWasm } = require('@noir-lang/barretenberg/dest/wasm'); +const { Schnorr } = require('@noir-lang/barretenberg/dest/crypto/schnorr'); + +... + +const barretenberg = await BarretenbergWasm.new(); +const schnorr = new Schnorr(barretenberg); +const pubKey = schnorr.computePublicKey(privateKey); +const message = ... +const signature = Array.from( + schnorr.constructSignature(hash, privateKey).toBuffer() +); + +... +``` + + + +## schnorr::verify_signature_slice + +Verifier for Schnorr signatures over the embedded curve (for BN254 it is Grumpkin) +where the message is a slice. + +```rust title="schnorr_verify_slice" showLineNumbers +pub fn verify_signature_slice( + public_key_x: Field, + public_key_y: Field, + signature: [u8; 64], + message: [u8], +) -> bool +``` +> Source code: noir_stdlib/src/schnorr.nr#L15-L22 + + + diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/fmtstr.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/fmtstr.md new file mode 100644 index 00000000000..19809d60261 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/fmtstr.md @@ -0,0 +1,17 @@ +--- +title: fmtstr +--- + +`fmtstr` is the type resulting from using format string (`f"..."`). + +## Methods + +### quoted_contents + +```rust title="quoted_contents" showLineNumbers +pub comptime fn quoted_contents(self) -> Quoted {} +``` +> Source code: noir_stdlib/src/meta/format_string.nr#L3-L5 + + +Returns the format string contents (that is, without the leading and trailing double quotes) as a `Quoted` value. \ No newline at end of file diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/is_unconstrained.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/is_unconstrained.md new file mode 100644 index 00000000000..51bb1bda8f1 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/is_unconstrained.md @@ -0,0 +1,69 @@ +--- +title: Is Unconstrained Function +description: + The is_unconstrained function returns wether the context at that point of the program is unconstrained or not. +keywords: + [ + unconstrained + ] +--- + +It's very common for functions in circuits to take unconstrained hints of an expensive computation and then verify it. This is done by running the hint in an unconstrained context and then verifying the result in a constrained context. + +When a function is marked as unconstrained, any subsequent functions that it calls will also be run in an unconstrained context. However, if we are implementing a library function, other users might call it within an unconstrained context or a constrained one. Generally, in an unconstrained context we prefer just computing the result instead of taking a hint of it and verifying it, since that'd mean doing the same computation twice: + +```rust + +fn my_expensive_computation(){ + ... +} + +unconstrained fn my_expensive_computation_hint(){ + my_expensive_computation() +} + +pub fn external_interface(){ + my_expensive_computation_hint(); + // verify my_expensive_computation: If external_interface is called from unconstrained, this is redundant + ... +} + +``` + +In order to improve the performance in an unconstrained context you can use the function at `std::runtime::is_unconstrained() -> bool`: + + +```rust +use dep::std::runtime::is_unconstrained; + +fn my_expensive_computation(){ + ... +} + +unconstrained fn my_expensive_computation_hint(){ + my_expensive_computation() +} + +pub fn external_interface(){ + if is_unconstrained() { + my_expensive_computation(); + } else { + my_expensive_computation_hint(); + // verify my_expensive_computation + ... + } +} + +``` + +The is_unconstrained result is resolved at compile time, so in unconstrained contexts the compiler removes the else branch, and in constrained contexts the compiler removes the if branch, reducing the amount of compute necessary to run external_interface. + +Note that using `is_unconstrained` in a `comptime` context will also return `true`: + +``` +fn main() { + comptime { + assert(is_unconstrained()); + } +} +``` diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/logging.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/logging.md new file mode 100644 index 00000000000..db75ef9f86f --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/logging.md @@ -0,0 +1,78 @@ +--- +title: Logging +description: + Learn how to use the println statement for debugging in Noir with this tutorial. Understand the + basics of logging in Noir and how to implement it in your code. +keywords: + [ + noir logging, + println statement, + print statement, + debugging in noir, + noir std library, + logging tutorial, + basic logging in noir, + noir logging implementation, + noir debugging techniques, + rust, + ] +--- + +The standard library provides two familiar statements you can use: `println` and `print`. Despite being a limited implementation of rust's `println!` and `print!` macros, these constructs can be useful for debugging. + +You can print the output of both statements in your Noir code by using the `nargo execute` command or the `--show-output` flag when using `nargo test` (provided there are print statements in your tests). + +It is recommended to use `nargo execute` if you want to debug failing constraints with `println` or `print` statements. This is due to every input in a test being a constant rather than a witness, so we issue an error during compilation while we only print during execution (which comes after compilation). Neither `println`, nor `print` are callable for failed constraints caught at compile time. + +Both `print` and `println` are generic functions which can work on integers, fields, strings, and even structs or expressions. Note however, that slices are currently unsupported. For example: + +```rust +struct Person { + age: Field, + height: Field, +} + +fn main(age: Field, height: Field) { + let person = Person { + age: age, + height: height, + }; + println(person); + println(age + height); + println("Hello world!"); +} +``` + +You can print different types in the same statement (including strings) with a type called `fmtstr`. It can be specified in the same way as a normal string, just prepended with an "f" character: + +```rust + let fmt_str = f"i: {i}, j: {j}"; + println(fmt_str); + + let s = myStruct { y: x, x: y }; + println(s); + + println(f"i: {i}, s: {s}"); + + println(x); + println([x, y]); + + let foo = fooStruct { my_struct: s, foo: 15 }; + println(f"s: {s}, foo: {foo}"); + + println(15); // prints 0x0f, implicit Field + println(-1 as u8); // prints 255 + println(-1 as i8); // prints -1 +``` + +Examples shown above are interchangeable between the two `print` statements: + +```rust +let person = Person { age : age, height : height }; + +println(person); +print(person); + +println("Hello world!"); // Prints with a newline at the end of the input +print("Hello world!"); // Prints the input and keeps cursor on the same line +``` diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/mem.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/mem.md new file mode 100644 index 00000000000..95d36ac2a72 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/mem.md @@ -0,0 +1,52 @@ +--- +title: Memory Module +description: + This module contains functions which manipulate memory in a low-level way +keywords: + [ + mem, memory, zeroed, transmute, checked_transmute + ] +--- + +# `std::mem::zeroed` + +```rust +fn zeroed() -> T +``` + +Returns a zeroed value of any type. +This function is generally unsafe to use as the zeroed bit pattern is not guaranteed to be valid for all types. +It can however, be useful in cases when the value is guaranteed not to be used such as in a BoundedVec library implementing a growable vector, up to a certain length, backed by an array. +The array can be initialized with zeroed values which are guaranteed to be inaccessible until the vector is pushed to. +Similarly, enumerations in noir can be implemented using this method by providing zeroed values for the unused variants. + +This function currently supports the following types: + +- Field +- Bool +- Uint +- Array +- Slice +- String +- Tuple +- Functions + +Using it on other types could result in unexpected behavior. + +# `std::mem::checked_transmute` + +```rust +fn checked_transmute(value: T) -> U +``` + +Transmutes a value of one type into the same value but with a new type `U`. + +This function is safe to use since both types are asserted to be equal later during compilation after the concrete values for generic types become known. +This function is useful for cases where the compiler may fails a type check that is expected to pass where +a user knows the two types to be equal. For example, when using arithmetic generics there are cases the compiler +does not see as equal, such as `[Field; N*(A + B)]` and `[Field; N*A + N*B]`, which users may know to be equal. +In these cases, `checked_transmute` can be used to cast the value to the desired type while also preserving safety +by checking this equality once `N`, `A`, `B` are fully resolved. + +Note that since this safety check is performed after type checking rather than during, no error is issued if the function +containing `checked_transmute` is never called. diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/merkle_trees.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/merkle_trees.md new file mode 100644 index 00000000000..6a9ebf72ada --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/merkle_trees.md @@ -0,0 +1,58 @@ +--- +title: Merkle Trees +description: Learn about Merkle Trees in Noir with this tutorial. Explore the basics of computing a merkle root using a proof, with examples. +keywords: + [ + Merkle trees in Noir, + Noir programming language, + check membership, + computing root from leaf, + Noir Merkle tree implementation, + Merkle tree tutorial, + Merkle tree code examples, + Noir libraries, + pedersen hash., + ] +--- + +## compute_merkle_root + +Returns the root of the tree from the provided leaf and its hash path, using a [Pedersen hash](./cryptographic_primitives/hashes.mdx#pedersen_hash). + +```rust +fn compute_merkle_root(leaf : Field, index : Field, hash_path: [Field]) -> Field +``` + +example: + +```rust +/** + // these values are for this example only + index = "0" + priv_key = "0x000000000000000000000000000000000000000000000000000000616c696365" + secret = "0x1929ea3ab8d9106a899386883d9428f8256cfedb3c4f6b66bf4aa4d28a79988f" + note_hash_path = [ + "0x1e61bdae0f027b1b2159e1f9d3f8d00fa668a952dddd822fda80dc745d6f65cc", + "0x0e4223f3925f98934393c74975142bd73079ab0621f4ee133cee050a3c194f1a", + "0x2fd7bb412155bf8693a3bd2a3e7581a679c95c68a052f835dddca85fa1569a40" + ] + */ +fn main(index: Field, priv_key: Field, secret: Field, note_hash_path: [Field; 3]) { + + let pubkey = std::scalar_mul::fixed_base_embedded_curve(priv_key); + let pubkey_x = pubkey[0]; + let pubkey_y = pubkey[1]; + let note_commitment = std::hash::pedersen(&[pubkey_x, pubkey_y, secret]); + + let root = std::merkle::compute_merkle_root(note_commitment[0], index, note_hash_path.as_slice()); + println(root); +} +``` + +To check merkle tree membership: + +1. Include a merkle root as a program input. +2. Compute the merkle root of a given leaf, index and hash path. +3. Assert the merkle roots are equal. + +For more info about merkle trees, see the Wikipedia [page](https://en.wikipedia.org/wiki/Merkle_tree). diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/meta/ctstring.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/meta/ctstring.md new file mode 100644 index 00000000000..b76f873ca03 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/meta/ctstring.md @@ -0,0 +1,100 @@ +--- +title: CtString +--- + +`std::meta::ctstring` contains methods on the built-in `CtString` type which is +a compile-time, dynamically-sized string type. Compared to `str` and `fmtstr`, +`CtString` is useful because its size does not need to be specified in its type. This +can be used for formatting items at compile-time or general string handling in `comptime` +code. + +Since `fmtstr`s can be converted into `CtString`s, you can make use of their formatting +abilities in CtStrings by formatting in `fmtstr`s then converting the result to a CtString +afterward. + +## Traits + +### AsCtString + +```rust title="as-ctstring" showLineNumbers +pub trait AsCtString { + comptime fn as_ctstring(self) -> CtString; +} +``` +> Source code: noir_stdlib/src/meta/ctstring.nr#L43-L47 + + +Converts an object into a compile-time string. + +Implementations: + +```rust +impl AsCtString for str { ... } +impl AsCtString for fmtstr { ... } +``` + +## Methods + +### new + +```rust title="new" showLineNumbers +pub comptime fn new() -> Self { +``` +> Source code: noir_stdlib/src/meta/ctstring.nr#L4-L6 + + +Creates an empty `CtString`. + +### append_str + +```rust title="append_str" showLineNumbers +pub comptime fn append_str(self, s: str) -> Self { +``` +> Source code: noir_stdlib/src/meta/ctstring.nr#L11-L13 + + +Returns a new CtString with the given str appended onto the end. + +### append_fmtstr + +```rust title="append_fmtstr" showLineNumbers +pub comptime fn append_fmtstr(self, s: fmtstr) -> Self { +``` +> Source code: noir_stdlib/src/meta/ctstring.nr#L17-L19 + + +Returns a new CtString with the given fmtstr appended onto the end. + +### as_quoted_str + +```rust title="as_quoted_str" showLineNumbers +pub comptime fn as_quoted_str(self) -> Quoted { +``` +> Source code: noir_stdlib/src/meta/ctstring.nr#L26-L28 + + +Returns a quoted string literal from this string's contents. + +There is no direct conversion from a `CtString` to a `str` since +the size would not be known. To get around this, this function can +be used in combination with macro insertion (`!`) to insert this string +literal at this function's call site. + +Example: + +```rust title="as_quoted_str_example" showLineNumbers +let my_ctstring = "foo bar".as_ctstring(); + let my_str = my_ctstring.as_quoted_str!(); + + assert_eq(crate::meta::type_of(my_str), quote { str<7> }.as_type()); +``` +> Source code: noir_stdlib/src/meta/ctstring.nr#L92-L97 + + +## Trait Implementations + +```rust +impl Eq for CtString +impl Hash for CtString +impl Append for CtString +``` diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/meta/expr.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/meta/expr.md new file mode 100644 index 00000000000..b6d395c6700 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/meta/expr.md @@ -0,0 +1,380 @@ +--- +title: Expr +--- + +`std::meta::expr` contains methods on the built-in `Expr` type for quoted, syntactically valid expressions. + +## Methods + +### as_array + +```rust title="as_array" showLineNumbers +pub comptime fn as_array(self) -> Option<[Expr]> {} +``` +> Source code: noir_stdlib/src/meta/expr.nr#L10-L12 + + +If this expression is an array, this returns a slice of each element in the array. + +### as_assert + +```rust title="as_assert" showLineNumbers +pub comptime fn as_assert(self) -> Option<(Expr, Option)> {} +``` +> Source code: noir_stdlib/src/meta/expr.nr#L16-L18 + + +If this expression is an assert, this returns the assert expression and the optional message. + +### as_assert_eq + +```rust title="as_assert_eq" showLineNumbers +pub comptime fn as_assert_eq(self) -> Option<(Expr, Expr, Option)> {} +``` +> Source code: noir_stdlib/src/meta/expr.nr#L23-L25 + + +If this expression is an assert_eq, this returns the left-hand-side and right-hand-side +expressions, together with the optional message. + +### as_assign + +```rust title="as_assign" showLineNumbers +pub comptime fn as_assign(self) -> Option<(Expr, Expr)> {} +``` +> Source code: noir_stdlib/src/meta/expr.nr#L30-L32 + + +If this expression is an assignment, this returns a tuple with the left hand side +and right hand side in order. + +### as_binary_op + +```rust title="as_binary_op" showLineNumbers +pub comptime fn as_binary_op(self) -> Option<(Expr, BinaryOp, Expr)> {} +``` +> Source code: noir_stdlib/src/meta/expr.nr#L37-L39 + + +If this expression is a binary operator operation ` `, +return the left-hand side, operator, and the right-hand side of the operation. + +### as_block + +```rust title="as_block" showLineNumbers +pub comptime fn as_block(self) -> Option<[Expr]> {} +``` +> Source code: noir_stdlib/src/meta/expr.nr#L44-L46 + + +If this expression is a block `{ stmt1; stmt2; ...; stmtN }`, return +a slice containing each statement. + +### as_bool + +```rust title="as_bool" showLineNumbers +pub comptime fn as_bool(self) -> Option {} +``` +> Source code: noir_stdlib/src/meta/expr.nr#L50-L52 + + +If this expression is a boolean literal, return that literal. + +### as_cast + +```rust title="as_cast" showLineNumbers +#[builtin(expr_as_cast)] + pub comptime fn as_cast(self) -> Option<(Expr, UnresolvedType)> {} +``` +> Source code: noir_stdlib/src/meta/expr.nr#L56-L59 + + +If this expression is a cast expression (`expr as type`), returns the casted +expression and the type to cast to. + +### as_comptime + +```rust title="as_comptime" showLineNumbers +pub comptime fn as_comptime(self) -> Option<[Expr]> {} +``` +> Source code: noir_stdlib/src/meta/expr.nr#L64-L66 + + +If this expression is a `comptime { stmt1; stmt2; ...; stmtN }` block, +return each statement in the block. + +### as_constructor + +```rust title="as_constructor" showLineNumbers +pub comptime fn as_constructor(self) -> Option<(UnresolvedType, [(Quoted, Expr)])> {} +``` +> Source code: noir_stdlib/src/meta/expr.nr#L71-L73 + + +If this expression is a constructor `Type { field1: expr1, ..., fieldN: exprN }`, +return the type and the fields. + +### as_for + +```rust title="as_for" showLineNumbers +pub comptime fn as_for(self) -> Option<(Quoted, Expr, Expr)> {} +``` +> Source code: noir_stdlib/src/meta/expr.nr#L78-L80 + + +If this expression is a for statement over a single expression, return the identifier, +the expression and the for loop body. + +### as_for_range + +```rust title="as_for" showLineNumbers +pub comptime fn as_for(self) -> Option<(Quoted, Expr, Expr)> {} +``` +> Source code: noir_stdlib/src/meta/expr.nr#L78-L80 + + +If this expression is a for statement over a range, return the identifier, +the range start, the range end and the for loop body. + +### as_function_call + +```rust title="as_function_call" showLineNumbers +pub comptime fn as_function_call(self) -> Option<(Expr, [Expr])> {} +``` +> Source code: noir_stdlib/src/meta/expr.nr#L92-L94 + + +If this expression is a function call `foo(arg1, ..., argN)`, return +the function and a slice of each argument. + +### as_if + +```rust title="as_if" showLineNumbers +pub comptime fn as_if(self) -> Option<(Expr, Expr, Option)> {} +``` +> Source code: noir_stdlib/src/meta/expr.nr#L100-L102 + + +If this expression is an `if condition { then_branch } else { else_branch }`, +return the condition, then branch, and else branch. If there is no else branch, +`None` is returned for that branch instead. + +### as_index + +```rust title="as_index" showLineNumbers +pub comptime fn as_index(self) -> Option<(Expr, Expr)> {} +``` +> Source code: noir_stdlib/src/meta/expr.nr#L107-L109 + + +If this expression is an index into an array `array[index]`, return the +array and the index. + +### as_integer + +```rust title="as_integer" showLineNumbers +pub comptime fn as_integer(self) -> Option<(Field, bool)> {} +``` +> Source code: noir_stdlib/src/meta/expr.nr#L114-L116 + + +If this expression is an integer literal, return the integer as a field +as well as whether the integer is negative (true) or not (false). + +### as_lambda + +```rust title="as_lambda" showLineNumbers +pub comptime fn as_lambda( + self, + ) -> Option<([(Expr, Option)], Option, Expr)> {} +``` +> Source code: noir_stdlib/src/meta/expr.nr#L120-L124 + + +If this expression is a lambda, returns the parameters, return type and body. + +### as_let + +```rust title="as_let" showLineNumbers +pub comptime fn as_let(self) -> Option<(Expr, Option, Expr)> {} +``` +> Source code: noir_stdlib/src/meta/expr.nr#L129-L131 + + +If this expression is a let statement, returns the let pattern as an `Expr`, +the optional type annotation, and the assigned expression. + +### as_member_access + +```rust title="as_member_access" showLineNumbers +pub comptime fn as_member_access(self) -> Option<(Expr, Quoted)> {} +``` +> Source code: noir_stdlib/src/meta/expr.nr#L136-L138 + + +If this expression is a member access `foo.bar`, return the struct/tuple +expression and the field. The field will be represented as a quoted value. + +### as_method_call + +```rust title="as_method_call" showLineNumbers +pub comptime fn as_method_call(self) -> Option<(Expr, Quoted, [UnresolvedType], [Expr])> {} +``` +> Source code: noir_stdlib/src/meta/expr.nr#L143-L145 + + +If this expression is a method call `foo.bar::(arg1, ..., argN)`, return +the receiver, method name, a slice of each generic argument, and a slice of each argument. + +### as_repeated_element_array + +```rust title="as_repeated_element_array" showLineNumbers +pub comptime fn as_repeated_element_array(self) -> Option<(Expr, Expr)> {} +``` +> Source code: noir_stdlib/src/meta/expr.nr#L150-L152 + + +If this expression is a repeated element array `[elem; length]`, return +the repeated element and the length expressions. + +### as_repeated_element_slice + +```rust title="as_repeated_element_slice" showLineNumbers +pub comptime fn as_repeated_element_slice(self) -> Option<(Expr, Expr)> {} +``` +> Source code: noir_stdlib/src/meta/expr.nr#L157-L159 + + +If this expression is a repeated element slice `[elem; length]`, return +the repeated element and the length expressions. + +### as_slice + +```rust title="as_slice" showLineNumbers +pub comptime fn as_slice(self) -> Option<[Expr]> {} +``` +> Source code: noir_stdlib/src/meta/expr.nr#L164-L166 + + +If this expression is a slice literal `&[elem1, ..., elemN]`, +return each element of the slice. + +### as_tuple + +```rust title="as_tuple" showLineNumbers +pub comptime fn as_tuple(self) -> Option<[Expr]> {} +``` +> Source code: noir_stdlib/src/meta/expr.nr#L171-L173 + + +If this expression is a tuple `(field1, ..., fieldN)`, +return each element of the tuple. + +### as_unary_op + +```rust title="as_unary_op" showLineNumbers +pub comptime fn as_unary_op(self) -> Option<(UnaryOp, Expr)> {} +``` +> Source code: noir_stdlib/src/meta/expr.nr#L178-L180 + + +If this expression is a unary operation ` `, +return the unary operator as well as the right-hand side expression. + +### as_unsafe + +```rust title="as_unsafe" showLineNumbers +pub comptime fn as_unsafe(self) -> Option<[Expr]> {} +``` +> Source code: noir_stdlib/src/meta/expr.nr#L185-L187 + + +If this expression is an `unsafe { stmt1; ...; stmtN }` block, +return each statement inside in a slice. + +### has_semicolon + +```rust title="has_semicolon" showLineNumbers +pub comptime fn has_semicolon(self) -> bool {} +``` +> Source code: noir_stdlib/src/meta/expr.nr#L206-L208 + + +`true` if this expression is trailed by a semicolon. E.g. + +``` +comptime { + let expr1 = quote { 1 + 2 }.as_expr().unwrap(); + let expr2 = quote { 1 + 2; }.as_expr().unwrap(); + + assert(expr1.as_binary_op().is_some()); + assert(expr2.as_binary_op().is_some()); + + assert(!expr1.has_semicolon()); + assert(expr2.has_semicolon()); +} +``` + +### is_break + +```rust title="is_break" showLineNumbers +pub comptime fn is_break(self) -> bool {} +``` +> Source code: noir_stdlib/src/meta/expr.nr#L212-L214 + + +`true` if this expression is `break`. + +### is_continue + +```rust title="is_continue" showLineNumbers +pub comptime fn is_continue(self) -> bool {} +``` +> Source code: noir_stdlib/src/meta/expr.nr#L218-L220 + + +`true` if this expression is `continue`. + +### modify + +```rust title="modify" showLineNumbers +pub comptime fn modify(self, f: fn[Env](Expr) -> Option) -> Expr { +``` +> Source code: noir_stdlib/src/meta/expr.nr#L229-L231 + + +Applies a mapping function to this expression and to all of its sub-expressions. +`f` will be applied to each sub-expression first, then applied to the expression itself. + +This happens recursively for every expression within `self`. + +For example, calling `modify` on `(&[1], &[2, 3])` with an `f` that returns `Option::some` +for expressions that are integers, doubling them, would return `(&[2], &[4, 6])`. + +### quoted + +```rust title="quoted" showLineNumbers +pub comptime fn quoted(self) -> Quoted { +``` +> Source code: noir_stdlib/src/meta/expr.nr#L266-L268 + + +Returns this expression as a `Quoted` value. It's the same as `quote { $self }`. + +### resolve + +```rust title="resolve" showLineNumbers +pub comptime fn resolve(self, in_function: Option) -> TypedExpr {} +``` +> Source code: noir_stdlib/src/meta/expr.nr#L282-L284 + + +Resolves and type-checks this expression and returns the result as a `TypedExpr`. + +The `in_function` argument specifies where the expression is resolved: +- If it's `none`, the expression is resolved in the function where `resolve` was called +- If it's `some`, the expression is resolved in the given function + +If any names used by this expression are not in scope or if there are any type errors, +this will give compiler errors as if the expression was written directly into +the current `comptime` function. \ No newline at end of file diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/meta/function_def.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/meta/function_def.md new file mode 100644 index 00000000000..b7f2ebdb889 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/meta/function_def.md @@ -0,0 +1,166 @@ +--- +title: FunctionDefinition +--- + +`std::meta::function_def` contains methods on the built-in `FunctionDefinition` type representing +a function definition in the source program. + +## Methods + +### add_attribute + +```rust title="add_attribute" showLineNumbers +pub comptime fn add_attribute(self, attribute: str) {} +``` +> Source code: noir_stdlib/src/meta/function_def.nr#L3-L5 + + +Adds an attribute to the function. This is only valid +on functions in the current crate which have not yet been resolved. +This means any functions called at compile-time are invalid targets for this method. + +### body + +```rust title="body" showLineNumbers +pub comptime fn body(self) -> Expr {} +``` +> Source code: noir_stdlib/src/meta/function_def.nr#L8-L10 + + +Returns the body of the function as an expression. This is only valid +on functions in the current crate which have not yet been resolved. +This means any functions called at compile-time are invalid targets for this method. + +### has_named_attribute + +```rust title="has_named_attribute" showLineNumbers +pub comptime fn has_named_attribute(self, name: str) -> bool {} +``` +> Source code: noir_stdlib/src/meta/function_def.nr#L13-L15 + + +Returns true if this function has a custom attribute with the given name. + +### is_unconstrained + +```rust title="is_unconstrained" showLineNumbers +pub comptime fn is_unconstrained(self) -> bool {} +``` +> Source code: noir_stdlib/src/meta/function_def.nr#L18-L20 + + +Returns true if this function is unconstrained. + +### module + +```rust title="module" showLineNumbers +pub comptime fn module(self) -> Module {} +``` +> Source code: noir_stdlib/src/meta/function_def.nr#L23-L25 + + +Returns the module where the function is defined. + +### name + +```rust title="name" showLineNumbers +pub comptime fn name(self) -> Quoted {} +``` +> Source code: noir_stdlib/src/meta/function_def.nr#L28-L30 + + +Returns the name of the function. + +### parameters + +```rust title="parameters" showLineNumbers +pub comptime fn parameters(self) -> [(Quoted, Type)] {} +``` +> Source code: noir_stdlib/src/meta/function_def.nr#L33-L35 + + +Returns each parameter of the function as a tuple of (parameter pattern, parameter type). + +### return_type + +```rust title="return_type" showLineNumbers +pub comptime fn return_type(self) -> Type {} +``` +> Source code: noir_stdlib/src/meta/function_def.nr#L38-L40 + + +The return type of the function. + +### set_body + +```rust title="set_body" showLineNumbers +pub comptime fn set_body(self, body: Expr) {} +``` +> Source code: noir_stdlib/src/meta/function_def.nr#L43-L45 + + +Mutate the function body to a new expression. This is only valid +on functions in the current crate which have not yet been resolved. +This means any functions called at compile-time are invalid targets for this method. + +### set_parameters + +```rust title="set_parameters" showLineNumbers +pub comptime fn set_parameters(self, parameters: [(Quoted, Type)]) {} +``` +> Source code: noir_stdlib/src/meta/function_def.nr#L48-L50 + + +Mutates the function's parameters to a new set of parameters. This is only valid +on functions in the current crate which have not yet been resolved. +This means any functions called at compile-time are invalid targets for this method. + +Expects a slice of (parameter pattern, parameter type) for each parameter. Requires +each parameter pattern to be a syntactically valid parameter. + +### set_return_type + +```rust title="set_return_type" showLineNumbers +pub comptime fn set_return_type(self, return_type: Type) {} +``` +> Source code: noir_stdlib/src/meta/function_def.nr#L53-L55 + + +Mutates the function's return type to a new type. This is only valid +on functions in the current crate which have not yet been resolved. +This means any functions called at compile-time are invalid targets for this method. + +### set_return_public + +```rust title="set_return_public" showLineNumbers +pub comptime fn set_return_public(self, public: bool) {} +``` +> Source code: noir_stdlib/src/meta/function_def.nr#L58-L60 + + +Mutates the function's return visibility to public (if `true` is given) or private (if `false` is given). +This is only valid on functions in the current crate which have not yet been resolved. +This means any functions called at compile-time are invalid targets for this method. + +### set_unconstrained + +```rust title="set_unconstrained" showLineNumbers +pub comptime fn set_unconstrained(self, value: bool) {} +``` +> Source code: noir_stdlib/src/meta/function_def.nr#L66-L68 + + +Mutates the function to be unconstrained (if `true` is given) or not (if `false` is given). +This is only valid on functions in the current crate which have not yet been resolved. +This means any functions called at compile-time are invalid targets for this method. + +## Trait Implementations + +```rust +impl Eq for FunctionDefinition +impl Hash for FunctionDefinition +``` + +Note that each function is assigned a unique ID internally and this is what is used for +equality and hashing. So even functions with identical signatures and bodies may not +be equal in this sense if they were originally different items in the source program. diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/meta/index.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/meta/index.md new file mode 100644 index 00000000000..14544c07442 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/meta/index.md @@ -0,0 +1,224 @@ +--- +title: Metaprogramming +description: Noir's Metaprogramming API +keywords: [metaprogramming, comptime, macros, macro, quote, unquote] +--- + +`std::meta` is the entry point for Noir's metaprogramming API. This consists of `comptime` functions +and types used for inspecting and modifying Noir programs. + +## Functions + +### type_of + +```rust title="type_of" showLineNumbers +pub comptime fn type_of(x: T) -> Type {} +``` +> Source code: noir_stdlib/src/meta/mod.nr#L27-L29 + + +Returns the type of a variable at compile-time. + +Example: +```rust +comptime { + let x: i32 = 1; + let x_type: Type = std::meta::type_of(x); + + assert_eq(x_type, quote { i32 }.as_type()); +} +``` + +### unquote + +```rust title="unquote" showLineNumbers +pub comptime fn unquote(code: Quoted) -> Quoted { +``` +> Source code: noir_stdlib/src/meta/mod.nr#L19-L21 + + +Unquotes the passed-in token stream where this function was called. + +Example: +```rust +comptime { + let code = quote { 1 + 2 }; + + // let x = 1 + 2; + let x = unquote!(code); +} +``` + +### derive + +```rust title="derive" showLineNumbers +#[varargs] +pub comptime fn derive(s: StructDefinition, traits: [TraitDefinition]) -> Quoted { +``` +> Source code: noir_stdlib/src/meta/mod.nr#L48-L51 + + +Attribute placed on struct definitions. + +Creates a trait impl for each trait passed in as an argument. +To do this, the trait must have a derive handler registered +with `derive_via` beforehand. The traits in the stdlib that +can be derived this way are `Eq`, `Ord`, `Default`, and `Hash`. + +Example: +```rust +#[derive(Eq, Default)] +struct Foo { + x: i32, + y: T, +} + +fn main() { + let foo1 = Foo::default(); + let foo2 = Foo { x: 0, y: &[0] }; + assert_eq(foo1, foo2); +} +``` + +### derive_via + +```rust title="derive_via_signature" showLineNumbers +pub comptime fn derive_via(t: TraitDefinition, f: DeriveFunction) { +``` +> Source code: noir_stdlib/src/meta/mod.nr#L68-L70 + + +Attribute placed on trait definitions. + +Registers a function to create impls for the given trait +when the trait is used in a `derive` call. Users may use +this to register their own functions to enable their traits +to be derived by `derive`. + +Because this function requires a function as an argument which +should produce a trait impl for any given struct, users may find +it helpful to use a function like `std::meta::make_trait_impl` to +help creating these impls. + +Example: +```rust +#[derive_via(derive_do_nothing)] +trait DoNothing { + fn do_nothing(self); +} + +comptime fn derive_do_nothing(s: StructDefinition) -> Quoted { + let typ = s.as_type(); + quote { + impl DoNothing for $typ { + fn do_nothing(self) { + println("Nothing"); + } + } + } +} +``` + +As another example, `derive_eq` in the stdlib is used to derive the `Eq` +trait for any struct. It makes use of `make_trait_impl` to do this: + +```rust title="derive_eq" showLineNumbers +comptime fn derive_eq(s: StructDefinition) -> Quoted { + let signature = quote { fn eq(_self: Self, _other: Self) -> bool }; + let for_each_field = |name| quote { (_self.$name == _other.$name) }; + let body = |fields| { + if s.fields().len() == 0 { + quote { true } + } else { + fields + } + }; + crate::meta::make_trait_impl( + s, + quote { Eq }, + signature, + for_each_field, + quote { & }, + body, + ) +} +``` +> Source code: noir_stdlib/src/cmp.nr#L10-L30 + + +### make_trait_impl + +```rust title="make_trait_impl" showLineNumbers +pub comptime fn make_trait_impl( + s: StructDefinition, + trait_name: Quoted, + function_signature: Quoted, + for_each_field: fn[Env1](Quoted) -> Quoted, + join_fields_with: Quoted, + body: fn[Env2](Quoted) -> Quoted, +) -> Quoted { +``` +> Source code: noir_stdlib/src/meta/mod.nr#L87-L96 + + +A helper function to more easily create trait impls while deriving traits. + +Note that this function only works for traits which: +1. Have only one method +2. Have no generics on the trait itself. + - E.g. Using this on a trait such as `trait Foo { ... }` will result in the + generated impl incorrectly missing the `T` generic. + +If your trait fits these criteria then `make_trait_impl` is likely the easiest +way to write your derive handler. The arguments are as follows: + +- `s`: The struct to make the impl for +- `trait_name`: The name of the trait to derive. E.g. `quote { Eq }`. +- `function_signature`: The signature of the trait method to derive. E.g. `fn eq(self, other: Self) -> bool`. +- `for_each_field`: An operation to be performed on each field. E.g. `|name| quote { (self.$name == other.$name) }`. +- `join_fields_with`: A separator to join each result of `for_each_field` with. + E.g. `quote { & }`. You can also use an empty `quote {}` for no separator. +- `body`: The result of the field operations are passed into this function for any final processing. + This is the place to insert any setup/teardown code the trait requires. If the trait doesn't require + any such code, you can return the body as-is: `|body| body`. + +Example deriving `Hash`: + +```rust title="derive_hash" showLineNumbers +comptime fn derive_hash(s: StructDefinition) -> Quoted { + let name = quote { Hash }; + let signature = quote { fn hash(_self: Self, _state: &mut H) where H: std::hash::Hasher }; + let for_each_field = |name| quote { _self.$name.hash(_state); }; + crate::meta::make_trait_impl( + s, + name, + signature, + for_each_field, + quote {}, + |fields| fields, + ) +} +``` +> Source code: noir_stdlib/src/hash/mod.nr#L137-L151 + + +Example deriving `Ord`: + +```rust title="derive_ord" showLineNumbers +comptime fn derive_ord(s: StructDefinition) -> Quoted { + let signature = quote { fn cmp(_self: Self, _other: Self) -> std::cmp::Ordering }; + let for_each_field = |name| quote { + if result == std::cmp::Ordering::equal() { + result = _self.$name.cmp(_other.$name); + } + }; + let body = |fields| quote { + let mut result = std::cmp::Ordering::equal(); + $fields + result + }; + crate::meta::make_trait_impl(s, quote { Ord }, signature, for_each_field, quote {}, body) +} +``` +> Source code: noir_stdlib/src/cmp.nr#L216-L231 + diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/meta/module.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/meta/module.md new file mode 100644 index 00000000000..f47231972b7 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/meta/module.md @@ -0,0 +1,82 @@ +--- +title: Module +--- + +`std::meta::module` contains methods on the built-in `Module` type which represents a module in the source program. +Note that this type represents a module generally, it isn't limited to only `mod my_submodule { ... }` +declarations in the source program. + +## Methods + +### add_item + +```rust title="add_item" showLineNumbers +pub comptime fn add_item(self, item: Quoted) {} +``` +> Source code: noir_stdlib/src/meta/module.nr#L3-L5 + + +Adds a top-level item (a function, a struct, a global, etc.) to the module. +Adding multiple items in one go is also valid if the `Quoted` value has multiple items in it. +Note that the items are type-checked as if they are inside the module they are being added to. + +### functions + +```rust title="functions" showLineNumbers +pub comptime fn functions(self) -> [FunctionDefinition] {} +``` +> Source code: noir_stdlib/src/meta/module.nr#L18-L20 + + +Returns each function defined in the module. + +### has_named_attribute + +```rust title="has_named_attribute" showLineNumbers +pub comptime fn has_named_attribute(self, name: str) -> bool {} +``` +> Source code: noir_stdlib/src/meta/module.nr#L8-L10 + + +Returns true if this module has a custom attribute with the given name. + +### is_contract + +```rust title="is_contract" showLineNumbers +pub comptime fn is_contract(self) -> bool {} +``` +> Source code: noir_stdlib/src/meta/module.nr#L13-L15 + + +`true` if this module is a contract module (was declared via `contract foo { ... }`). + +### name + +```rust title="name" showLineNumbers +pub comptime fn name(self) -> Quoted {} +``` +> Source code: noir_stdlib/src/meta/module.nr#L28-L30 + + +Returns the name of the module. + +### structs + +```rust title="structs" showLineNumbers +pub comptime fn structs(self) -> [StructDefinition] {} +``` +> Source code: noir_stdlib/src/meta/module.nr#L23-L25 + + +Returns each struct defined in the module. + +## Trait Implementations + +```rust +impl Eq for Module +impl Hash for Module +``` + +Note that each module is assigned a unique ID internally and this is what is used for +equality and hashing. So even modules with identical names and contents may not +be equal in this sense if they were originally different items in the source program. diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/meta/op.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/meta/op.md new file mode 100644 index 00000000000..03ea49ad8ec --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/meta/op.md @@ -0,0 +1,244 @@ +--- +title: UnaryOp and BinaryOp +--- + +`std::meta::op` contains the `UnaryOp` and `BinaryOp` types as well as methods on them. +These types are used to represent a unary or binary operator respectively in Noir source code. + +## Types + +### UnaryOp + +Represents a unary operator. One of `-`, `!`, `&mut`, or `*`. + +### Methods + +#### is_minus + +```rust title="is_minus" showLineNumbers +pub fn is_minus(self) -> bool { +``` +> Source code: noir_stdlib/src/meta/op.nr#L24-L26 + + +Returns `true` if this operator is `-`. + +#### is_not + +```rust title="is_not" showLineNumbers +pub fn is_not(self) -> bool { +``` +> Source code: noir_stdlib/src/meta/op.nr#L30-L32 + + +`true` if this operator is `!` + +#### is_mutable_reference + +```rust title="is_mutable_reference" showLineNumbers +pub fn is_mutable_reference(self) -> bool { +``` +> Source code: noir_stdlib/src/meta/op.nr#L36-L38 + + +`true` if this operator is `&mut` + +#### is_dereference + +```rust title="is_dereference" showLineNumbers +pub fn is_dereference(self) -> bool { +``` +> Source code: noir_stdlib/src/meta/op.nr#L42-L44 + + +`true` if this operator is `*` + +#### quoted + +```rust title="unary_quoted" showLineNumbers +pub comptime fn quoted(self) -> Quoted { +``` +> Source code: noir_stdlib/src/meta/op.nr#L48-L50 + + +Returns this operator as a `Quoted` value. + +### Trait Implementations + +```rust +impl Eq for UnaryOp +impl Hash for UnaryOp +``` + +### BinaryOp + +Represents a binary operator. One of `+`, `-`, `*`, `/`, `%`, `==`, `!=`, `<`, `<=`, `>`, `>=`, `&`, `|`, `^`, `>>`, or `<<`. + +### Methods + +#### is_add + +```rust title="is_add" showLineNumbers +pub fn is_add(self) -> bool { +``` +> Source code: noir_stdlib/src/meta/op.nr#L86-L88 + + +`true` if this operator is `+` + +#### is_subtract + +```rust title="is_subtract" showLineNumbers +pub fn is_subtract(self) -> bool { +``` +> Source code: noir_stdlib/src/meta/op.nr#L92-L94 + + +`true` if this operator is `-` + +#### is_multiply + +```rust title="is_multiply" showLineNumbers +pub fn is_multiply(self) -> bool { +``` +> Source code: noir_stdlib/src/meta/op.nr#L98-L100 + + +`true` if this operator is `*` + +#### is_divide + +```rust title="is_divide" showLineNumbers +pub fn is_divide(self) -> bool { +``` +> Source code: noir_stdlib/src/meta/op.nr#L104-L106 + + +`true` if this operator is `/` + +#### is_modulo + +```rust title="is_modulo" showLineNumbers +pub fn is_modulo(self) -> bool { +``` +> Source code: noir_stdlib/src/meta/op.nr#L176-L178 + + +`true` if this operator is `%` + +#### is_equal + +```rust title="is_equal" showLineNumbers +pub fn is_equal(self) -> bool { +``` +> Source code: noir_stdlib/src/meta/op.nr#L110-L112 + + +`true` if this operator is `==` + +#### is_not_equal + +```rust title="is_not_equal" showLineNumbers +pub fn is_not_equal(self) -> bool { +``` +> Source code: noir_stdlib/src/meta/op.nr#L116-L118 + + +`true` if this operator is `!=` + +#### is_less_than + +```rust title="is_less_than" showLineNumbers +pub fn is_less_than(self) -> bool { +``` +> Source code: noir_stdlib/src/meta/op.nr#L122-L124 + + +`true` if this operator is `<` + +#### is_less_than_or_equal + +```rust title="is_less_than_or_equal" showLineNumbers +pub fn is_less_than_or_equal(self) -> bool { +``` +> Source code: noir_stdlib/src/meta/op.nr#L128-L130 + + +`true` if this operator is `<=` + +#### is_greater_than + +```rust title="is_greater_than" showLineNumbers +pub fn is_greater_than(self) -> bool { +``` +> Source code: noir_stdlib/src/meta/op.nr#L134-L136 + + +`true` if this operator is `>` + +#### is_greater_than_or_equal + +```rust title="is_greater_than_or_equal" showLineNumbers +pub fn is_greater_than_or_equal(self) -> bool { +``` +> Source code: noir_stdlib/src/meta/op.nr#L140-L142 + + +`true` if this operator is `>=` + +#### is_and + +```rust title="is_and" showLineNumbers +pub fn is_and(self) -> bool { +``` +> Source code: noir_stdlib/src/meta/op.nr#L146-L148 + + +`true` if this operator is `&` + +#### is_or + +```rust title="is_or" showLineNumbers +pub fn is_or(self) -> bool { +``` +> Source code: noir_stdlib/src/meta/op.nr#L152-L154 + + +`true` if this operator is `|` + +#### is_shift_right + +```rust title="is_shift_right" showLineNumbers +pub fn is_shift_right(self) -> bool { +``` +> Source code: noir_stdlib/src/meta/op.nr#L164-L166 + + +`true` if this operator is `>>` + +#### is_shift_left + +```rust title="is_shift_right" showLineNumbers +pub fn is_shift_right(self) -> bool { +``` +> Source code: noir_stdlib/src/meta/op.nr#L164-L166 + + +`true` if this operator is `<<` + +#### quoted + +```rust title="binary_quoted" showLineNumbers +pub comptime fn quoted(self) -> Quoted { +``` +> Source code: noir_stdlib/src/meta/op.nr#L182-L184 + + +Returns this operator as a `Quoted` value. + +### Trait Implementations + +```rust +impl Eq for BinaryOp +impl Hash for BinaryOp +``` diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/meta/quoted.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/meta/quoted.md new file mode 100644 index 00000000000..d7acf23bc07 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/meta/quoted.md @@ -0,0 +1,141 @@ +--- +title: Quoted +--- + +`std::meta::quoted` contains methods on the built-in `Quoted` type which represents +quoted token streams and is the result of the `quote { ... }` expression. + +## Methods + +### as_expr + +```rust title="as_expr" showLineNumbers +pub comptime fn as_expr(self) -> Option {} +``` +> Source code: noir_stdlib/src/meta/quoted.nr#L6-L8 + + +Parses the quoted token stream as an expression. Returns `Option::none()` if +the expression failed to parse. + +Example: + +```rust title="as_expr_example" showLineNumbers +#[test] + fn test_expr_as_function_call() { + comptime + { + let expr = quote { foo(42) }.as_expr().unwrap(); + let (_function, args) = expr.as_function_call().unwrap(); + assert_eq(args.len(), 1); + assert_eq(args[0].as_integer().unwrap(), (42, false)); + } + } +``` +> Source code: test_programs/noir_test_success/comptime_expr/src/main.nr#L360-L371 + + +### as_module + +```rust title="as_module" showLineNumbers +pub comptime fn as_module(self) -> Option {} +``` +> Source code: noir_stdlib/src/meta/quoted.nr#L11-L13 + + +Interprets this token stream as a module path leading to the name of a module. +Returns `Option::none()` if the module isn't found or this token stream cannot be parsed as a path. + +Example: + +```rust title="as_module_example" showLineNumbers +mod baz { + pub mod qux {} +} + +#[test] +fn as_module_test() { + comptime { + let my_mod = quote { baz::qux }.as_module().unwrap(); + assert_eq(my_mod.name(), quote { qux }); + } +} +``` +> Source code: test_programs/compile_success_empty/comptime_module/src/main.nr#L115-L127 + + +### as_trait_constraint + +```rust title="as_trait_constraint" showLineNumbers +pub comptime fn as_trait_constraint(self) -> TraitConstraint {} +``` +> Source code: noir_stdlib/src/meta/quoted.nr#L16-L18 + + +Interprets this token stream as a trait constraint (without an object type). +Note that this function panics instead of returning `Option::none()` if the token +stream does not parse and resolve to a valid trait constraint. + +Example: + +```rust title="implements_example" showLineNumbers +pub fn function_with_where(_x: T) +where + T: SomeTrait, +{ + comptime { + let t = quote { T }.as_type(); + let some_trait_i32 = quote { SomeTrait }.as_trait_constraint(); + assert(t.implements(some_trait_i32)); + + assert(t.get_trait_impl(some_trait_i32).is_none()); + } +} +``` +> Source code: test_programs/compile_success_empty/comptime_type/src/main.nr#L160-L173 + + +### as_type + +```rust title="as_type" showLineNumbers +pub comptime fn as_type(self) -> Type {} +``` +> Source code: noir_stdlib/src/meta/quoted.nr#L21-L23 + + +Interprets this token stream as a resolved type. Panics if the token +stream doesn't parse to a type or if the type isn't a valid type in scope. + +```rust title="implements_example" showLineNumbers +pub fn function_with_where(_x: T) +where + T: SomeTrait, +{ + comptime { + let t = quote { T }.as_type(); + let some_trait_i32 = quote { SomeTrait }.as_trait_constraint(); + assert(t.implements(some_trait_i32)); + + assert(t.get_trait_impl(some_trait_i32).is_none()); + } +} +``` +> Source code: test_programs/compile_success_empty/comptime_type/src/main.nr#L160-L173 + + +### tokens + +```rust title="tokens" showLineNumbers +pub comptime fn tokens(self) -> [Quoted] {} +``` +> Source code: noir_stdlib/src/meta/quoted.nr#L26-L28 + + +Returns a slice of the individual tokens that form this token stream. + +## Trait Implementations + +```rust +impl Eq for Quoted +impl Hash for Quoted +``` diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/meta/struct_def.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/meta/struct_def.md new file mode 100644 index 00000000000..fd609942f4e --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/meta/struct_def.md @@ -0,0 +1,177 @@ +--- +title: StructDefinition +--- + +`std::meta::struct_def` contains methods on the built-in `StructDefinition` type. +This type corresponds to `struct Name { field1: Type1, ... }` items in the source program. + +## Methods + +### add_attribute + +```rust title="add_attribute" showLineNumbers +pub comptime fn add_attribute(self, attribute: str) {} +``` +> Source code: noir_stdlib/src/meta/struct_def.nr#L3-L5 + + +Adds an attribute to the struct. + +### add_generic + +```rust title="add_generic" showLineNumbers +pub comptime fn add_generic(self, generic_name: str) -> Type {} +``` +> Source code: noir_stdlib/src/meta/struct_def.nr#L8-L10 + + +Adds an generic to the struct. Returns the new generic type. +Errors if the given generic name isn't a single identifier or if +the struct already has a generic with the same name. + +This method should be used carefully, if there is existing code referring +to the struct type it may be checked before this function is called and +see the struct with the original number of generics. This method should +thus be preferred to use on code generated from other macros and structs +that are not used in function signatures. + +Example: + +```rust title="add-generic-example" showLineNumbers +comptime fn add_generic(s: StructDefinition) { + assert_eq(s.generics().len(), 0); + let new_generic = s.add_generic("T"); + + let generics = s.generics(); + assert_eq(generics.len(), 1); + assert_eq(generics[0], new_generic); + } +``` +> Source code: test_programs/compile_success_empty/comptime_struct_definition/src/main.nr#L35-L44 + + +### as_type + +```rust title="as_type" showLineNumbers +pub comptime fn as_type(self) -> Type {} +``` +> Source code: noir_stdlib/src/meta/struct_def.nr#L15-L17 + + +Returns this struct as a type in the source program. If this struct has +any generics, the generics are also included as-is. + +### generics + +```rust title="generics" showLineNumbers +pub comptime fn generics(self) -> [Type] {} +``` +> Source code: noir_stdlib/src/meta/struct_def.nr#L26-L28 + + +Returns each generic on this struct. + +Example: + +``` +#[example] +struct Foo { + bar: [T; 2], + baz: Baz, +} + +comptime fn example(foo: StructDefinition) { + assert_eq(foo.generics().len(), 2); + + // Fails because `T` isn't in scope + // let t = quote { T }.as_type(); + // assert_eq(foo.generics()[0], t); +} +``` + +### fields + +```rust title="fields" showLineNumbers +pub comptime fn fields(self) -> [(Quoted, Type)] {} +``` +> Source code: noir_stdlib/src/meta/struct_def.nr#L33-L35 + + +Returns each field of this struct as a pair of (field name, field type). + +### has_named_attribute + +```rust title="has_named_attribute" showLineNumbers +pub comptime fn has_named_attribute(self, name: str) -> bool {} +``` +> Source code: noir_stdlib/src/meta/struct_def.nr#L20-L22 + + +Returns true if this struct has a custom attribute with the given name. + +### module + +```rust title="module" showLineNumbers +pub comptime fn module(self) -> Module {} +``` +> Source code: noir_stdlib/src/meta/struct_def.nr#L38-L40 + + +Returns the module where the struct is defined. + +### name + +```rust title="name" showLineNumbers +pub comptime fn name(self) -> Quoted {} +``` +> Source code: noir_stdlib/src/meta/struct_def.nr#L43-L45 + + +Returns the name of this struct + +Note that the returned quoted value will be just the struct name, it will +not be the full path to the struct, nor will it include any generics. + +### set_fields + +```rust title="set_fields" showLineNumbers +pub comptime fn set_fields(self, new_fields: [(Quoted, Type)]) {} +``` +> Source code: noir_stdlib/src/meta/struct_def.nr#L52-L54 + + +Sets the fields of this struct to the given fields list where each element +is a pair of the field's name and the field's type. Expects each field name +to be a single identifier. Note that this will override any previous fields +on this struct. If those should be preserved, use `.fields()` to retrieve the +current fields on the struct type and append the new fields from there. + +Example: + +```rust +// Change this struct to: +// struct Foo { +// a: u32, +// b: i8, +// } +#[mangle_fields] +struct Foo { x: Field } + +comptime fn mangle_fields(s: StructDefinition) { + s.set_fields(&[ + (quote { a }, quote { u32 }.as_type()), + (quote { b }, quote { i8 }.as_type()), + ]); +} +``` + +## Trait Implementations + +```rust +impl Eq for StructDefinition +impl Hash for StructDefinition +``` + +Note that each struct is assigned a unique ID internally and this is what is used for +equality and hashing. So even structs with identical generics and fields may not +be equal in this sense if they were originally different items in the source program. diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/meta/trait_constraint.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/meta/trait_constraint.md new file mode 100644 index 00000000000..3106f732b5a --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/meta/trait_constraint.md @@ -0,0 +1,17 @@ +--- +title: TraitConstraint +--- + +`std::meta::trait_constraint` contains methods on the built-in `TraitConstraint` type which represents +a trait constraint that can be used to search for a trait implementation. This is similar +syntactically to just the trait itself, but can also contain generic arguments. E.g. `Eq`, `Default`, +`BuildHasher`. + +This type currently has no public methods but it can be used alongside `Type` in `implements` or `get_trait_impl`. + +## Trait Implementations + +```rust +impl Eq for TraitConstraint +impl Hash for TraitConstraint +``` diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/meta/trait_def.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/meta/trait_def.md new file mode 100644 index 00000000000..e661d3af7f1 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/meta/trait_def.md @@ -0,0 +1,26 @@ +--- +title: TraitDefinition +--- + +`std::meta::trait_def` contains methods on the built-in `TraitDefinition` type. This type +represents trait definitions such as `trait Foo { .. }` at the top-level of a program. + +## Methods + +### as_trait_constraint + +```rust title="as_trait_constraint" showLineNumbers +pub comptime fn as_trait_constraint(_self: Self) -> TraitConstraint {} +``` +> Source code: noir_stdlib/src/meta/trait_def.nr#L6-L8 + + +Converts this trait into a trait constraint. If there are any generics on this +trait, they will be kept as-is without instantiating or replacing them. + +## Trait Implementations + +```rust +impl Eq for TraitDefinition +impl Hash for TraitDefinition +``` diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/meta/trait_impl.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/meta/trait_impl.md new file mode 100644 index 00000000000..a527617c1e6 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/meta/trait_impl.md @@ -0,0 +1,60 @@ +--- +title: TraitImpl +--- + +`std::meta::trait_impl` contains methods on the built-in `TraitImpl` type which represents a trait +implementation such as `impl Foo for Bar { ... }`. + +## Methods + +### trait_generic_args + +```rust title="trait_generic_args" showLineNumbers +pub comptime fn trait_generic_args(self) -> [Type] {} +``` +> Source code: noir_stdlib/src/meta/trait_impl.nr#L3-L5 + + +Returns any generic arguments on the trait of this trait implementation, if any. + +```rs +impl Foo for Bar { ... } + +comptime { + let bar_type = quote { Bar }.as_type(); + let foo = quote { Foo }.as_trait_constraint(); + + let my_impl: TraitImpl = bar_type.get_trait_impl(foo).unwrap(); + + let generics = my_impl.trait_generic_args(); + assert_eq(generics.len(), 2); + + assert_eq(generics[0], quote { i32 }.as_type()); + assert_eq(generics[1], quote { Field }.as_type()); +} +``` + +### methods + +```rust title="methods" showLineNumbers +pub comptime fn methods(self) -> [FunctionDefinition] {} +``` +> Source code: noir_stdlib/src/meta/trait_impl.nr#L8-L10 + + +Returns each method in this trait impl. + +Example: + +```rs +comptime { + let i32_type = quote { i32 }.as_type(); + let eq = quote { Eq }.as_trait_constraint(); + + let impl_eq_for_i32: TraitImpl = i32_type.get_trait_impl(eq).unwrap(); + let methods = impl_eq_for_i32.methods(); + + assert_eq(methods.len(), 1); + assert_eq(methods[0].name(), quote { eq }); +} +``` diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/meta/typ.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/meta/typ.md new file mode 100644 index 00000000000..90222c222f5 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/meta/typ.md @@ -0,0 +1,264 @@ +--- +title: Type +--- + +`std::meta::typ` contains methods on the built-in `Type` type used for representing +a type in the source program. + +## Functions + +```rust title="fresh_type_variable" showLineNumbers +pub comptime fn fresh_type_variable() -> Type {} +``` +> Source code: noir_stdlib/src/meta/typ.nr#L57-L59 + + +Creates and returns an unbound type variable. This is a special kind of type internal +to type checking which will type check with any other type. When it is type checked +against another type it will also be set to that type. For example, if `a` is a type +variable and we have the type equality `(a, i32) = (u8, i32)`, the compiler will set +`a` equal to `u8`. + +Unbound type variables will often be rendered as `_` while printing them. Bound type +variables will appear as the type they are bound to. + +This can be used in conjunction with functions which internally perform type checks +such as `Type::implements` or `Type::get_trait_impl` to potentially grab some of the types used. + +Note that calling `Type::implements` or `Type::get_trait_impl` on a type variable will always +fail. + +Example: + +```rust title="serialize-setup" showLineNumbers +trait Serialize {} + +impl Serialize<1> for Field {} + +impl Serialize for [T; N] +where + T: Serialize, +{} + +impl Serialize for (T, U) +where + T: Serialize, + U: Serialize, +{} +``` +> Source code: test_programs/compile_success_empty/comptime_type/src/main.nr#L14-L29 + +```rust title="fresh-type-variable-example" showLineNumbers +let typevar1 = std::meta::typ::fresh_type_variable(); + let constraint = quote { Serialize<$typevar1> }.as_trait_constraint(); + let field_type = quote { Field }.as_type(); + + // Search for a trait impl (binding typevar1 to 1 when the impl is found): + assert(field_type.implements(constraint)); + + // typevar1 should be bound to the "1" generic now: + assert_eq(typevar1.as_constant().unwrap(), 1); + + // If we want to do the same with a different type, we need to + // create a new type variable now that `typevar1` is bound + let typevar2 = std::meta::typ::fresh_type_variable(); + let constraint = quote { Serialize<$typevar2> }.as_trait_constraint(); + let array_type = quote { [(Field, Field); 5] }.as_type(); + assert(array_type.implements(constraint)); + + // Now typevar2 should be bound to the serialized pair size 2 times the array length 5 + assert_eq(typevar2.as_constant().unwrap(), 10); +``` +> Source code: test_programs/compile_success_empty/comptime_type/src/main.nr#L129-L149 + + +## Methods + +### as_array + +```rust title="as_array" showLineNumbers +pub comptime fn as_array(self) -> Option<(Type, Type)> {} +``` +> Source code: noir_stdlib/src/meta/typ.nr#L76-L78 + + +If this type is an array, return a pair of (element type, size type). + +Example: + +```rust +comptime { + let array_type = quote { [Field; 3] }.as_type(); + let (field_type, three_type) = array_type.as_array().unwrap(); + + assert(field_type.is_field()); + assert_eq(three_type.as_constant().unwrap(), 3); +} +``` + +### as_constant + +```rust title="as_constant" showLineNumbers +pub comptime fn as_constant(self) -> Option {} +``` +> Source code: noir_stdlib/src/meta/typ.nr#L83-L85 + + +If this type is a constant integer (such as the `3` in the array type `[Field; 3]`), +return the numeric constant. + +### as_integer + +```rust title="as_integer" showLineNumbers +pub comptime fn as_integer(self) -> Option<(bool, u8)> {} +``` +> Source code: noir_stdlib/src/meta/typ.nr#L90-L92 + + +If this is an integer type, return a boolean which is `true` +if the type is signed, as well as the number of bits of this integer type. + +### as_mutable_reference + +```rust title="as_mutable_reference" showLineNumbers +comptime fn as_mutable_reference(self) -> Option {} +``` +> Source code: noir_stdlib/src/meta/typ.nr#L96-L98 + + +If this is a mutable reference type `&mut T`, returns the mutable type `T`. + +### as_slice + +```rust title="as_slice" showLineNumbers +pub comptime fn as_slice(self) -> Option {} +``` +> Source code: noir_stdlib/src/meta/typ.nr#L102-L104 + + +If this is a slice type, return the element type of the slice. + +### as_str + +```rust title="as_str" showLineNumbers +pub comptime fn as_str(self) -> Option {} +``` +> Source code: noir_stdlib/src/meta/typ.nr#L108-L110 + + +If this is a `str` type, returns the length `N` as a type. + +### as_struct + +```rust title="as_struct" showLineNumbers +pub comptime fn as_struct(self) -> Option<(StructDefinition, [Type])> {} +``` +> Source code: noir_stdlib/src/meta/typ.nr#L114-L116 + + +If this is a struct type, returns the struct in addition to +any generic arguments on this type. + +### as_tuple + +```rust title="as_tuple" showLineNumbers +pub comptime fn as_tuple(self) -> Option<[Type]> {} +``` +> Source code: noir_stdlib/src/meta/typ.nr#L120-L122 + + +If this is a tuple type, returns each element type of the tuple. + +### get_trait_impl + +```rust title="get_trait_impl" showLineNumbers +pub comptime fn get_trait_impl(self, constraint: TraitConstraint) -> Option {} +``` +> Source code: noir_stdlib/src/meta/typ.nr#L143-L145 + + +Retrieves the trait implementation that implements the given +trait constraint for this type. If the trait constraint is not +found, `None` is returned. Note that since the concrete trait implementation +for a trait constraint specified from a `where` clause is unknown, +this function will return `None` in these cases. If you only want to know +whether a type implements a trait, use `implements` instead. + +Example: + +```rust +comptime { + let field_type = quote { Field }.as_type(); + let default = quote { Default }.as_trait_constraint(); + + let the_impl: TraitImpl = field_type.get_trait_impl(default).unwrap(); + assert(the_impl.methods().len(), 1); +} +``` + +### implements + +```rust title="implements" showLineNumbers +pub comptime fn implements(self, constraint: TraitConstraint) -> bool {} +``` +> Source code: noir_stdlib/src/meta/typ.nr#L166-L168 + + +`true` if this type implements the given trait. Note that unlike +`get_trait_impl` this will also return true for any `where` constraints +in scope. + +Example: + +```rust +fn foo() where T: Default { + comptime { + let field_type = quote { Field }.as_type(); + let default = quote { Default }.as_trait_constraint(); + assert(field_type.implements(default)); + + let t = quote { T }.as_type(); + assert(t.implements(default)); + } +} +``` + +### is_bool + +```rust title="is_bool" showLineNumbers +pub comptime fn is_bool(self) -> bool {} +``` +> Source code: noir_stdlib/src/meta/typ.nr#L172-L174 + + +`true` if this type is `bool`. + +### is_field + +```rust title="is_field" showLineNumbers +pub comptime fn is_field(self) -> bool {} +``` +> Source code: noir_stdlib/src/meta/typ.nr#L178-L180 + + +`true` if this type is `Field`. + +### is_unit + +```rust title="is_unit" showLineNumbers +comptime fn is_unit(self) -> bool {} +``` +> Source code: noir_stdlib/src/meta/typ.nr#L184-L186 + + +`true` if this type is the unit `()` type. + +## Trait Implementations + +```rust +impl Eq for Type +impl Hash for Type +``` +Note that this is syntactic equality, this is not the same as whether two types will type check +to be the same type. Unless type inference or generics are being used however, users should not +typically have to worry about this distinction unless `std::meta::typ::fresh_type_variable` is used. diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/meta/typed_expr.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/meta/typed_expr.md new file mode 100644 index 00000000000..0db7dbfef61 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/meta/typed_expr.md @@ -0,0 +1,27 @@ +--- +title: TypedExpr +--- + +`std::meta::typed_expr` contains methods on the built-in `TypedExpr` type for resolved and type-checked expressions. + +## Methods + +### get_type + +```rust title="as_function_definition" showLineNumbers +pub comptime fn as_function_definition(self) -> Option {} +``` +> Source code: noir_stdlib/src/meta/typed_expr.nr#L7-L9 + + +If this expression refers to a function definitions, returns it. Otherwise returns `Option::none()`. + +### get_type + +```rust title="get_type" showLineNumbers +pub comptime fn get_type(self) -> Option {} +``` +> Source code: noir_stdlib/src/meta/typed_expr.nr#L13-L15 + + +Returns the type of the expression, or `Option::none()` if there were errors when the expression was previously resolved. \ No newline at end of file diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/meta/unresolved_type.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/meta/unresolved_type.md new file mode 100644 index 00000000000..2826ec5ec0f --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/meta/unresolved_type.md @@ -0,0 +1,57 @@ +--- +title: UnresolvedType +--- + +`std::meta::unresolved_type` contains methods on the built-in `UnresolvedType` type for the syntax of types. + +## Methods + +### as_mutable_reference + +```rust title="as_mutable_reference" showLineNumbers +comptime fn as_mutable_reference(self) -> Option {} +``` +> Source code: noir_stdlib/src/meta/unresolved_type.nr#L8-L10 + + +If this is a mutable reference type `&mut T`, returns the mutable type `T`. + +### as_slice + +```rust title="as_slice" showLineNumbers +comptime fn as_slice(self) -> Option {} +``` +> Source code: noir_stdlib/src/meta/unresolved_type.nr#L14-L16 + + +If this is a slice `&[T]`, returns the element type `T`. + +### is_bool + +```rust title="is_bool" showLineNumbers +comptime fn is_bool(self) -> bool {} +``` +> Source code: noir_stdlib/src/meta/unresolved_type.nr#L20-L22 + + +Returns `true` if this type is `bool`. + +### is_field + +```rust title="is_field" showLineNumbers +pub comptime fn is_field(self) -> bool {} +``` +> Source code: noir_stdlib/src/meta/unresolved_type.nr#L26-L28 + + +Returns true if this type refers to the Field type. + +### is_unit + +```rust title="is_unit" showLineNumbers +comptime fn is_unit(self) -> bool {} +``` +> Source code: noir_stdlib/src/meta/unresolved_type.nr#L32-L34 + + +Returns true if this type is the unit `()` type. diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/options.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/options.md new file mode 100644 index 00000000000..a1bd4e1de5f --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/options.md @@ -0,0 +1,101 @@ +--- +title: Option Type +--- + +The `Option` type is a way to express that a value might be present (`Some(T))` or absent (`None`). It's a safer way to handle potential absence of values, compared to using nulls in many other languages. + +```rust +struct Option { + None, + Some(T), +} +``` + +The `Option` type, already imported into your Noir program, can be used directly: + +```rust +fn main() { + let none = Option::none(); + let some = Option::some(3); +} +``` + +See [this test](https://github.com/noir-lang/noir/blob/5cbfb9c4a06c8865c98ff2b594464b037d821a5c/crates/nargo_cli/tests/test_data/option/src/main.nr) for a more comprehensive set of examples of each of the methods described below. + +## Methods + +### none + +Constructs a none value. + +### some + +Constructs a some wrapper around a given value. + +### is_none + +Returns true if the Option is None. + +### is_some + +Returns true of the Option is Some. + +### unwrap + +Asserts `self.is_some()` and returns the wrapped value. + +### unwrap_unchecked + +Returns the inner value without asserting `self.is_some()`. This method can be useful within an if condition when we already know that `option.is_some()`. If the option is None, there is no guarantee what value will be returned, only that it will be of type T for an `Option`. + +### unwrap_or + +Returns the wrapped value if `self.is_some()`. Otherwise, returns the given default value. + +### unwrap_or_else + +Returns the wrapped value if `self.is_some()`. Otherwise, calls the given function to return a default value. + +### expect + +Asserts `self.is_some()` with a provided custom message and returns the contained `Some` value. The custom message is expected to be a format string. + +### map + +If self is `Some(x)`, this returns `Some(f(x))`. Otherwise, this returns `None`. + +### map_or + +If self is `Some(x)`, this returns `f(x)`. Otherwise, this returns the given default value. + +### map_or_else + +If self is `Some(x)`, this returns `f(x)`. Otherwise, this returns `default()`. + +### and + +Returns None if self is None. Otherwise, this returns `other`. + +### and_then + +If self is None, this returns None. Otherwise, this calls the given function with the Some value contained within self, and returns the result of that call. In some languages this function is called `flat_map` or `bind`. + +### or + +If self is Some, return self. Otherwise, return `other`. + +### or_else + +If self is Some, return self. Otherwise, return `default()`. + +### xor + +If only one of the two Options is Some, return that option. Otherwise, if both options are Some or both are None, None is returned. + +### filter + +Returns `Some(x)` if self is `Some(x)` and `predicate(x)` is true. Otherwise, this returns `None`. + +### flatten + +Flattens an `Option>` into a `Option`. This returns `None` if the outer Option is None. Otherwise, this returns the inner Option. diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/recursion.mdx b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/recursion.mdx new file mode 100644 index 00000000000..60414a2fa51 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/recursion.mdx @@ -0,0 +1,85 @@ +--- +title: Recursive Proofs +description: Learn about how to write recursive proofs in Noir. +keywords: [recursion, recursive proofs, verification_key, verify_proof] +--- + +import BlackBoxInfo from '@site/src/components/Notes/_blackbox'; + +Noir supports recursively verifying proofs, meaning you verify the proof of a Noir program in another Noir program. This enables creating proofs of arbitrary size by doing step-wise verification of smaller components of a large proof. + +Read [the explainer on recursion](../../explainers/explainer-recursion.md) to know more about this function and the [guide on how to use it.](../../how_to/how-to-recursion.md) + +## The `#[recursive]` Attribute + +In Noir, the `#[recursive]` attribute is used to indicate that a circuit is designed for recursive proof generation. When applied, it informs the compiler and the tooling that the circuit should be compiled in a way that makes its proofs suitable for recursive verification. This attribute eliminates the need for manual flagging of recursion at the tooling level, streamlining the proof generation process for recursive circuits. + +### Example usage with `#[recursive]` + +```rust +#[recursive] +fn main(x: Field, y: pub Field) { + assert(x == y, "x and y are not equal"); +} + +// This marks the circuit as recursion-friendly and indicates that proofs generated from this circuit +// are intended for recursive verification. +``` + +By incorporating this attribute directly in the circuit's definition, tooling like Nargo and NoirJS can automatically execute recursive-specific duties for Noir programs (e.g. recursive-friendly proof artifact generation) without additional flags or configurations. + +## Verifying Recursive Proofs + +```rust +#[foreign(recursive_aggregation)] +pub fn verify_proof(verification_key: [Field], proof: [Field], public_inputs: [Field], key_hash: Field) {} +``` + + + +## Example usage + +```rust + +fn main( + verification_key : [Field; 114], + proof : [Field; 93], + public_inputs : [Field; 1], + key_hash : Field, + proof_b : [Field; 93], +) { + std::verify_proof( + verification_key, + proof, + public_inputs, + key_hash + ); + + std::verify_proof( + verification_key, + proof_b, + public_inputs, + key_hash + ); +} +``` + +You can see a full example of recursive proofs in [this example recursion demo repo](https://github.com/noir-lang/noir-examples/tree/master/recursion). + +## Parameters + +### `verification_key` + +The verification key for the zk program that is being verified. + +### `proof` + +The proof for the zk program that is being verified. + +### `public_inputs` + +These represent the public inputs of the proof we are verifying. + +### `key_hash` + +A key hash is used to check the validity of the verification key. The circuit implementing this opcode can use this hash to ensure that the key provided to the circuit matches the key produced by the circuit creator. diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/traits.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/traits.md new file mode 100644 index 00000000000..ee20f9cd949 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/noir/standard_library/traits.md @@ -0,0 +1,628 @@ +--- +title: Traits +description: Noir's stdlib provides a few commonly used traits. +keywords: [traits, trait, interface, protocol, default, add, eq] +--- + +## `std::default` + +### `std::default::Default` + +```rust title="default-trait" showLineNumbers +pub trait Default { + fn default() -> Self; +} +``` +> Source code: noir_stdlib/src/default.nr#L4-L8 + + +Constructs a default value of a type. + +Implementations: +```rust +impl Default for Field { .. } + +impl Default for i8 { .. } +impl Default for i16 { .. } +impl Default for i32 { .. } +impl Default for i64 { .. } + +impl Default for u8 { .. } +impl Default for u16 { .. } +impl Default for u32 { .. } +impl Default for u64 { .. } + +impl Default for () { .. } +impl Default for bool { .. } + +impl Default for [T; N] + where T: Default { .. } + +impl Default for [T] { .. } + +impl Default for (A, B) + where A: Default, B: Default { .. } + +impl Default for (A, B, C) + where A: Default, B: Default, C: Default { .. } + +impl Default for (A, B, C, D) + where A: Default, B: Default, C: Default, D: Default { .. } + +impl Default for (A, B, C, D, E) + where A: Default, B: Default, C: Default, D: Default, E: Default { .. } +``` + +For primitive integer types, the return value of `default` is `0`. Container +types such as arrays are filled with default values of their element type, +except slices whose length is unknown and thus defaulted to zero. + +--- + +## `std::convert` + +### `std::convert::From` + +```rust title="from-trait" showLineNumbers +pub trait From { + fn from(input: T) -> Self; +} +``` +> Source code: noir_stdlib/src/convert.nr#L1-L5 + + +The `From` trait defines how to convert from a given type `T` to the type on which the trait is implemented. + +The Noir standard library provides a number of implementations of `From` between primitive types. +```rust title="from-impls" showLineNumbers +// Unsigned integers + +impl From for u32 { + fn from(value: u8) -> u32 { + value as u32 + } +} + +impl From for u64 { + fn from(value: u8) -> u64 { + value as u64 + } +} +impl From for u64 { + fn from(value: u32) -> u64 { + value as u64 + } +} + +impl From for Field { + fn from(value: u8) -> Field { + value as Field + } +} +impl From for Field { + fn from(value: u32) -> Field { + value as Field + } +} +impl From for Field { + fn from(value: u64) -> Field { + value as Field + } +} + +// Signed integers + +impl From for i32 { + fn from(value: i8) -> i32 { + value as i32 + } +} + +impl From for i64 { + fn from(value: i8) -> i64 { + value as i64 + } +} +impl From for i64 { + fn from(value: i32) -> i64 { + value as i64 + } +} + +// Booleans +impl From for u8 { + fn from(value: bool) -> u8 { + value as u8 + } +} +impl From for u32 { + fn from(value: bool) -> u32 { + value as u32 + } +} +impl From for u64 { + fn from(value: bool) -> u64 { + value as u64 + } +} +impl From for i8 { + fn from(value: bool) -> i8 { + value as i8 + } +} +impl From for i32 { + fn from(value: bool) -> i32 { + value as i32 + } +} +impl From for i64 { + fn from(value: bool) -> i64 { + value as i64 + } +} +impl From for Field { + fn from(value: bool) -> Field { + value as Field + } +} +``` +> Source code: noir_stdlib/src/convert.nr#L28-L119 + + +#### When to implement `From` + +As a general rule of thumb, `From` may be implemented in the [situations where it would be suitable in Rust](https://doc.rust-lang.org/std/convert/trait.From.html#when-to-implement-from): + +- The conversion is *infallible*: Noir does not provide an equivalent to Rust's `TryFrom`, if the conversion can fail then provide a named method instead. +- The conversion is *lossless*: semantically, it should not lose or discard information. For example, `u32: From` can losslessly convert any `u16` into a valid `u32` such that the original `u16` can be recovered. On the other hand, `u16: From` should not be implemented as `2**16` is a `u32` which cannot be losslessly converted into a `u16`. +- The conversion is *value-preserving*: the conceptual kind and meaning of the resulting value is the same, even though the Noir type and technical representation might be different. While it's possible to infallibly and losslessly convert a `u8` into a `str<2>` hex representation, `4u8` and `"04"` are too different for `str<2>: From` to be implemented. +- The conversion is *obvious*: it's the only reasonable conversion between the two types. If there's ambiguity on how to convert between them such that the same input could potentially map to two different values then a named method should be used. For instance rather than implementing `U128: From<[u8; 16]>`, the methods `U128::from_le_bytes` and `U128::from_be_bytes` are used as otherwise the endianness of the array would be ambiguous, resulting in two potential values of `U128` from the same byte array. + +One additional recommendation specific to Noir is: +- The conversion is *efficient*: it's relatively cheap to convert between the two types. Due to being a ZK DSL, it's more important to avoid unnecessary computation compared to Rust. If the implementation of `From` would encourage users to perform unnecessary conversion, resulting in additional proving time, then it may be preferable to expose functionality such that this conversion may be avoided. + +### `std::convert::Into` + +The `Into` trait is defined as the reciprocal of `From`. It should be easy to convince yourself that if we can convert to type `A` from type `B`, then it's possible to convert type `B` into type `A`. + +For this reason, implementing `From` on a type will automatically generate a matching `Into` implementation. One should always prefer implementing `From` over `Into` as implementing `Into` will not generate a matching `From` implementation. + +```rust title="into-trait" showLineNumbers +pub trait Into { + fn into(self) -> T; +} + +impl Into for U +where + T: From, +{ + fn into(self) -> T { + T::from(self) + } +} +``` +> Source code: noir_stdlib/src/convert.nr#L13-L26 + + +`Into` is most useful when passing function arguments where the types don't quite match up with what the function expects. In this case, the compiler has enough type information to perform the necessary conversion by just appending `.into()` onto the arguments in question. + +--- + +## `std::cmp` + +### `std::cmp::Eq` + +```rust title="eq-trait" showLineNumbers +pub trait Eq { + fn eq(self, other: Self) -> bool; +} +``` +> Source code: noir_stdlib/src/cmp.nr#L4-L8 + + +Returns `true` if `self` is equal to `other`. Implementing this trait on a type +allows the type to be used with `==` and `!=`. + +Implementations: +```rust +impl Eq for Field { .. } + +impl Eq for i8 { .. } +impl Eq for i16 { .. } +impl Eq for i32 { .. } +impl Eq for i64 { .. } + +impl Eq for u8 { .. } +impl Eq for u16 { .. } +impl Eq for u32 { .. } +impl Eq for u64 { .. } + +impl Eq for () { .. } +impl Eq for bool { .. } + +impl Eq for [T; N] + where T: Eq { .. } + +impl Eq for [T] + where T: Eq { .. } + +impl Eq for (A, B) + where A: Eq, B: Eq { .. } + +impl Eq for (A, B, C) + where A: Eq, B: Eq, C: Eq { .. } + +impl Eq for (A, B, C, D) + where A: Eq, B: Eq, C: Eq, D: Eq { .. } + +impl Eq for (A, B, C, D, E) + where A: Eq, B: Eq, C: Eq, D: Eq, E: Eq { .. } +``` + +### `std::cmp::Ord` + +```rust title="ord-trait" showLineNumbers +pub trait Ord { + fn cmp(self, other: Self) -> Ordering; +} +``` +> Source code: noir_stdlib/src/cmp.nr#L210-L214 + + +`a.cmp(b)` compares two values returning `Ordering::less()` if `a < b`, +`Ordering::equal()` if `a == b`, or `Ordering::greater()` if `a > b`. +Implementing this trait on a type allows `<`, `<=`, `>`, and `>=` to be +used on values of the type. + +`std::cmp` also provides `max` and `min` functions for any type which implements the `Ord` trait. + +Implementations: + +```rust +impl Ord for u8 { .. } +impl Ord for u16 { .. } +impl Ord for u32 { .. } +impl Ord for u64 { .. } + +impl Ord for i8 { .. } +impl Ord for i16 { .. } +impl Ord for i32 { .. } + +impl Ord for i64 { .. } + +impl Ord for () { .. } +impl Ord for bool { .. } + +impl Ord for [T; N] + where T: Ord { .. } + +impl Ord for [T] + where T: Ord { .. } + +impl Ord for (A, B) + where A: Ord, B: Ord { .. } + +impl Ord for (A, B, C) + where A: Ord, B: Ord, C: Ord { .. } + +impl Ord for (A, B, C, D) + where A: Ord, B: Ord, C: Ord, D: Ord { .. } + +impl Ord for (A, B, C, D, E) + where A: Ord, B: Ord, C: Ord, D: Ord, E: Ord { .. } +``` + +--- + +## `std::ops` + +### `std::ops::Add`, `std::ops::Sub`, `std::ops::Mul`, and `std::ops::Div` + +These traits abstract over addition, subtraction, multiplication, and division respectively. +Implementing these traits for a given type will also allow that type to be used with the corresponding operator +for that trait (`+` for Add, etc) in addition to the normal method names. + +```rust title="add-trait" showLineNumbers +pub trait Add { + fn add(self, other: Self) -> Self; +} +``` +> Source code: noir_stdlib/src/ops/arith.nr#L1-L5 + +```rust title="sub-trait" showLineNumbers +pub trait Sub { + fn sub(self, other: Self) -> Self; +} +``` +> Source code: noir_stdlib/src/ops/arith.nr#L60-L64 + +```rust title="mul-trait" showLineNumbers +pub trait Mul { + fn mul(self, other: Self) -> Self; +} +``` +> Source code: noir_stdlib/src/ops/arith.nr#L119-L123 + +```rust title="div-trait" showLineNumbers +pub trait Div { + fn div(self, other: Self) -> Self; +} +``` +> Source code: noir_stdlib/src/ops/arith.nr#L178-L182 + + +The implementations block below is given for the `Add` trait, but the same types that implement +`Add` also implement `Sub`, `Mul`, and `Div`. + +Implementations: +```rust +impl Add for Field { .. } + +impl Add for i8 { .. } +impl Add for i16 { .. } +impl Add for i32 { .. } +impl Add for i64 { .. } + +impl Add for u8 { .. } +impl Add for u16 { .. } +impl Add for u32 { .. } +impl Add for u64 { .. } +``` + +### `std::ops::Rem` + +```rust title="rem-trait" showLineNumbers +pub trait Rem { + fn rem(self, other: Self) -> Self; +} +``` +> Source code: noir_stdlib/src/ops/arith.nr#L237-L241 + + +`Rem::rem(a, b)` is the remainder function returning the result of what is +left after dividing `a` and `b`. Implementing `Rem` allows the `%` operator +to be used with the implementation type. + +Unlike other numeric traits, `Rem` is not implemented for `Field`. + +Implementations: +```rust +impl Rem for u8 { fn rem(self, other: u8) -> u8 { self % other } } +impl Rem for u16 { fn rem(self, other: u16) -> u16 { self % other } } +impl Rem for u32 { fn rem(self, other: u32) -> u32 { self % other } } +impl Rem for u64 { fn rem(self, other: u64) -> u64 { self % other } } + +impl Rem for i8 { fn rem(self, other: i8) -> i8 { self % other } } +impl Rem for i16 { fn rem(self, other: i16) -> i16 { self % other } } +impl Rem for i32 { fn rem(self, other: i32) -> i32 { self % other } } +impl Rem for i64 { fn rem(self, other: i64) -> i64 { self % other } } +``` + +### `std::ops::Neg` + +```rust title="neg-trait" showLineNumbers +pub trait Neg { + fn neg(self) -> Self; +} +``` +> Source code: noir_stdlib/src/ops/arith.nr#L290-L294 + + +`Neg::neg` is equivalent to the unary negation operator `-`. + +Implementations: +```rust title="neg-trait-impls" showLineNumbers +impl Neg for Field { + fn neg(self) -> Field { + -self + } +} + +impl Neg for i8 { + fn neg(self) -> i8 { + -self + } +} +impl Neg for i16 { + fn neg(self) -> i16 { + -self + } +} +impl Neg for i32 { + fn neg(self) -> i32 { + -self + } +} +impl Neg for i64 { + fn neg(self) -> i64 { + -self + } +} +``` +> Source code: noir_stdlib/src/ops/arith.nr#L296-L323 + + +### `std::ops::Not` + +```rust title="not-trait" showLineNumbers +pub trait Not { + fn not(self: Self) -> Self; +} +``` +> Source code: noir_stdlib/src/ops/bit.nr#L1-L5 + + +`Not::not` is equivalent to the unary bitwise NOT operator `!`. + +Implementations: +```rust title="not-trait-impls" showLineNumbers +impl Not for bool { + fn not(self) -> bool { + !self + } +} + +impl Not for u64 { + fn not(self) -> u64 { + !self + } +} +impl Not for u32 { + fn not(self) -> u32 { + !self + } +} +impl Not for u16 { + fn not(self) -> u16 { + !self + } +} +impl Not for u8 { + fn not(self) -> u8 { + !self + } +} +impl Not for u1 { + fn not(self) -> u1 { + !self + } +} + +impl Not for i8 { + fn not(self) -> i8 { + !self + } +} +impl Not for i16 { + fn not(self) -> i16 { + !self + } +} +impl Not for i32 { + fn not(self) -> i32 { + !self + } +} +impl Not for i64 { + fn not(self) -> i64 { + !self + } +} +``` +> Source code: noir_stdlib/src/ops/bit.nr#L7-L60 + + +### `std::ops::{ BitOr, BitAnd, BitXor }` + +```rust title="bitor-trait" showLineNumbers +pub trait BitOr { + fn bitor(self, other: Self) -> Self; +} +``` +> Source code: noir_stdlib/src/ops/bit.nr#L62-L66 + +```rust title="bitand-trait" showLineNumbers +pub trait BitAnd { + fn bitand(self, other: Self) -> Self; +} +``` +> Source code: noir_stdlib/src/ops/bit.nr#L121-L125 + +```rust title="bitxor-trait" showLineNumbers +pub trait BitXor { + fn bitxor(self, other: Self) -> Self; +} +``` +> Source code: noir_stdlib/src/ops/bit.nr#L180-L184 + + +Traits for the bitwise operations `|`, `&`, and `^`. + +Implementing `BitOr`, `BitAnd` or `BitXor` for a type allows the `|`, `&`, or `^` operator respectively +to be used with the type. + +The implementations block below is given for the `BitOr` trait, but the same types that implement +`BitOr` also implement `BitAnd` and `BitXor`. + +Implementations: +```rust +impl BitOr for bool { fn bitor(self, other: bool) -> bool { self | other } } + +impl BitOr for u8 { fn bitor(self, other: u8) -> u8 { self | other } } +impl BitOr for u16 { fn bitor(self, other: u16) -> u16 { self | other } } +impl BitOr for u32 { fn bitor(self, other: u32) -> u32 { self | other } } +impl BitOr for u64 { fn bitor(self, other: u64) -> u64 { self | other } } + +impl BitOr for i8 { fn bitor(self, other: i8) -> i8 { self | other } } +impl BitOr for i16 { fn bitor(self, other: i16) -> i16 { self | other } } +impl BitOr for i32 { fn bitor(self, other: i32) -> i32 { self | other } } +impl BitOr for i64 { fn bitor(self, other: i64) -> i64 { self | other } } +``` + +### `std::ops::{ Shl, Shr }` + +```rust title="shl-trait" showLineNumbers +pub trait Shl { + fn shl(self, other: u8) -> Self; +} +``` +> Source code: noir_stdlib/src/ops/bit.nr#L239-L243 + +```rust title="shr-trait" showLineNumbers +pub trait Shr { + fn shr(self, other: u8) -> Self; +} +``` +> Source code: noir_stdlib/src/ops/bit.nr#L292-L296 + + +Traits for a bit shift left and bit shift right. + +Implementing `Shl` for a type allows the left shift operator (`<<`) to be used with the implementation type. +Similarly, implementing `Shr` allows the right shift operator (`>>`) to be used with the type. + +Note that bit shifting is not currently implemented for signed types. + +The implementations block below is given for the `Shl` trait, but the same types that implement +`Shl` also implement `Shr`. + +Implementations: +```rust +impl Shl for u8 { fn shl(self, other: u8) -> u8 { self << other } } +impl Shl for u16 { fn shl(self, other: u16) -> u16 { self << other } } +impl Shl for u32 { fn shl(self, other: u32) -> u32 { self << other } } +impl Shl for u64 { fn shl(self, other: u64) -> u64 { self << other } } +``` + +--- + +## `std::append` + +### `std::append::Append` + +`Append` can abstract over types that can be appended to - usually container types: + +```rust title="append-trait" showLineNumbers +pub trait Append { + fn empty() -> Self; + fn append(self, other: Self) -> Self; +} +``` +> Source code: noir_stdlib/src/append.nr#L9-L14 + + +`Append` requires two methods: + +- `empty`: Constructs an empty value of `Self`. +- `append`: Append two values together, returning the result. + +Additionally, it is expected that for any implementation: + +- `T::empty().append(x) == x` +- `x.append(T::empty()) == x` + +Implementations: +```rust +impl Append for [T] +impl Append for Quoted +``` diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/NoirJS/noir_js/.nojekyll b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/NoirJS/noir_js/.nojekyll new file mode 100644 index 00000000000..e2ac6616add --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/NoirJS/noir_js/.nojekyll @@ -0,0 +1 @@ +TypeDoc added this file to prevent GitHub Pages from using Jekyll. You can turn off this behavior by setting the `githubPages` option to false. \ No newline at end of file diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/NoirJS/noir_js/classes/Noir.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/NoirJS/noir_js/classes/Noir.md new file mode 100644 index 00000000000..ead255bc504 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/NoirJS/noir_js/classes/Noir.md @@ -0,0 +1,52 @@ +# Noir + +## Constructors + +### new Noir(circuit) + +```ts +new Noir(circuit): Noir +``` + +#### Parameters + +| Parameter | Type | +| :------ | :------ | +| `circuit` | `CompiledCircuit` | + +#### Returns + +[`Noir`](Noir.md) + +## Methods + +### execute() + +```ts +execute(inputs, foreignCallHandler?): Promise +``` + +#### Parameters + +| Parameter | Type | +| :------ | :------ | +| `inputs` | `InputMap` | +| `foreignCallHandler`? | [`ForeignCallHandler`](../type-aliases/ForeignCallHandler.md) | + +#### Returns + +`Promise`\<`object`\> + +#### Description + +Allows to execute a circuit to get its witness and return value. + +#### Example + +```typescript +async execute(inputs) +``` + +*** + +Generated using [typedoc-plugin-markdown](https://www.npmjs.com/package/typedoc-plugin-markdown) and [TypeDoc](https://typedoc.org/) diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/NoirJS/noir_js/functions/and.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/NoirJS/noir_js/functions/and.md new file mode 100644 index 00000000000..c783283e396 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/NoirJS/noir_js/functions/and.md @@ -0,0 +1,22 @@ +# and() + +```ts +and(lhs, rhs): string +``` + +Performs a bitwise AND operation between `lhs` and `rhs` + +## Parameters + +| Parameter | Type | Description | +| :------ | :------ | :------ | +| `lhs` | `string` | | +| `rhs` | `string` | | + +## Returns + +`string` + +*** + +Generated using [typedoc-plugin-markdown](https://www.npmjs.com/package/typedoc-plugin-markdown) and [TypeDoc](https://typedoc.org/) diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/NoirJS/noir_js/functions/blake2s256.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/NoirJS/noir_js/functions/blake2s256.md new file mode 100644 index 00000000000..7882d0da8d5 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/NoirJS/noir_js/functions/blake2s256.md @@ -0,0 +1,21 @@ +# blake2s256() + +```ts +blake2s256(inputs): Uint8Array +``` + +Calculates the Blake2s256 hash of the input bytes + +## Parameters + +| Parameter | Type | Description | +| :------ | :------ | :------ | +| `inputs` | `Uint8Array` | | + +## Returns + +`Uint8Array` + +*** + +Generated using [typedoc-plugin-markdown](https://www.npmjs.com/package/typedoc-plugin-markdown) and [TypeDoc](https://typedoc.org/) diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/NoirJS/noir_js/functions/ecdsa_secp256k1_verify.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/NoirJS/noir_js/functions/ecdsa_secp256k1_verify.md new file mode 100644 index 00000000000..5e3cd53e9d3 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/NoirJS/noir_js/functions/ecdsa_secp256k1_verify.md @@ -0,0 +1,28 @@ +# ecdsa\_secp256k1\_verify() + +```ts +ecdsa_secp256k1_verify( + hashed_msg, + public_key_x_bytes, + public_key_y_bytes, + signature): boolean +``` + +Verifies a ECDSA signature over the secp256k1 curve. + +## Parameters + +| Parameter | Type | Description | +| :------ | :------ | :------ | +| `hashed_msg` | `Uint8Array` | | +| `public_key_x_bytes` | `Uint8Array` | | +| `public_key_y_bytes` | `Uint8Array` | | +| `signature` | `Uint8Array` | | + +## Returns + +`boolean` + +*** + +Generated using [typedoc-plugin-markdown](https://www.npmjs.com/package/typedoc-plugin-markdown) and [TypeDoc](https://typedoc.org/) diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/NoirJS/noir_js/functions/ecdsa_secp256r1_verify.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/NoirJS/noir_js/functions/ecdsa_secp256r1_verify.md new file mode 100644 index 00000000000..0b20ff68957 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/NoirJS/noir_js/functions/ecdsa_secp256r1_verify.md @@ -0,0 +1,28 @@ +# ecdsa\_secp256r1\_verify() + +```ts +ecdsa_secp256r1_verify( + hashed_msg, + public_key_x_bytes, + public_key_y_bytes, + signature): boolean +``` + +Verifies a ECDSA signature over the secp256r1 curve. + +## Parameters + +| Parameter | Type | Description | +| :------ | :------ | :------ | +| `hashed_msg` | `Uint8Array` | | +| `public_key_x_bytes` | `Uint8Array` | | +| `public_key_y_bytes` | `Uint8Array` | | +| `signature` | `Uint8Array` | | + +## Returns + +`boolean` + +*** + +Generated using [typedoc-plugin-markdown](https://www.npmjs.com/package/typedoc-plugin-markdown) and [TypeDoc](https://typedoc.org/) diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/NoirJS/noir_js/functions/xor.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/NoirJS/noir_js/functions/xor.md new file mode 100644 index 00000000000..8d762b895d3 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/NoirJS/noir_js/functions/xor.md @@ -0,0 +1,22 @@ +# xor() + +```ts +xor(lhs, rhs): string +``` + +Performs a bitwise XOR operation between `lhs` and `rhs` + +## Parameters + +| Parameter | Type | Description | +| :------ | :------ | :------ | +| `lhs` | `string` | | +| `rhs` | `string` | | + +## Returns + +`string` + +*** + +Generated using [typedoc-plugin-markdown](https://www.npmjs.com/package/typedoc-plugin-markdown) and [TypeDoc](https://typedoc.org/) diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/NoirJS/noir_js/index.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/NoirJS/noir_js/index.md new file mode 100644 index 00000000000..4de7a696991 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/NoirJS/noir_js/index.md @@ -0,0 +1,47 @@ +# noir_js + +## Exports + +### Classes + +| Class | Description | +| :------ | :------ | +| [Noir](classes/Noir.md) | - | + +### Type Aliases + +| Type alias | Description | +| :------ | :------ | +| [ErrorWithPayload](type-aliases/ErrorWithPayload.md) | - | +| [ForeignCallHandler](type-aliases/ForeignCallHandler.md) | A callback which performs an foreign call and returns the response. | +| [ForeignCallInput](type-aliases/ForeignCallInput.md) | - | +| [ForeignCallOutput](type-aliases/ForeignCallOutput.md) | - | +| [WitnessMap](type-aliases/WitnessMap.md) | - | + +### Functions + +| Function | Description | +| :------ | :------ | +| [and](functions/and.md) | Performs a bitwise AND operation between `lhs` and `rhs` | +| [blake2s256](functions/blake2s256.md) | Calculates the Blake2s256 hash of the input bytes | +| [ecdsa\_secp256k1\_verify](functions/ecdsa_secp256k1_verify.md) | Verifies a ECDSA signature over the secp256k1 curve. | +| [ecdsa\_secp256r1\_verify](functions/ecdsa_secp256r1_verify.md) | Verifies a ECDSA signature over the secp256r1 curve. | +| [xor](functions/xor.md) | Performs a bitwise XOR operation between `lhs` and `rhs` | + +## References + +### CompiledCircuit + +Renames and re-exports [InputMap](index.md#inputmap) + +## Variables + +### InputMap + +```ts +InputMap: any; +``` + +*** + +Generated using [typedoc-plugin-markdown](https://www.npmjs.com/package/typedoc-plugin-markdown) and [TypeDoc](https://typedoc.org/) diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/NoirJS/noir_js/type-aliases/ErrorWithPayload.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/NoirJS/noir_js/type-aliases/ErrorWithPayload.md new file mode 100644 index 00000000000..e8c2f4aef3d --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/NoirJS/noir_js/type-aliases/ErrorWithPayload.md @@ -0,0 +1,15 @@ +# ErrorWithPayload + +```ts +type ErrorWithPayload: ExecutionError & object; +``` + +## Type declaration + +| Member | Type | Description | +| :------ | :------ | :------ | +| `decodedAssertionPayload` | `any` | - | + +*** + +Generated using [typedoc-plugin-markdown](https://www.npmjs.com/package/typedoc-plugin-markdown) and [TypeDoc](https://typedoc.org/) diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/NoirJS/noir_js/type-aliases/ForeignCallHandler.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/NoirJS/noir_js/type-aliases/ForeignCallHandler.md new file mode 100644 index 00000000000..812b8b16481 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/NoirJS/noir_js/type-aliases/ForeignCallHandler.md @@ -0,0 +1,24 @@ +# ForeignCallHandler + +```ts +type ForeignCallHandler: (name, inputs) => Promise; +``` + +A callback which performs an foreign call and returns the response. + +## Parameters + +| Parameter | Type | Description | +| :------ | :------ | :------ | +| `name` | `string` | The identifier for the type of foreign call being performed. | +| `inputs` | [`ForeignCallInput`](ForeignCallInput.md)[] | An array of hex encoded inputs to the foreign call. | + +## Returns + +`Promise`\<[`ForeignCallOutput`](ForeignCallOutput.md)[]\> + +outputs - An array of hex encoded outputs containing the results of the foreign call. + +*** + +Generated using [typedoc-plugin-markdown](https://www.npmjs.com/package/typedoc-plugin-markdown) and [TypeDoc](https://typedoc.org/) diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/NoirJS/noir_js/type-aliases/ForeignCallInput.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/NoirJS/noir_js/type-aliases/ForeignCallInput.md new file mode 100644 index 00000000000..dd95809186a --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/NoirJS/noir_js/type-aliases/ForeignCallInput.md @@ -0,0 +1,9 @@ +# ForeignCallInput + +```ts +type ForeignCallInput: string[]; +``` + +*** + +Generated using [typedoc-plugin-markdown](https://www.npmjs.com/package/typedoc-plugin-markdown) and [TypeDoc](https://typedoc.org/) diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/NoirJS/noir_js/type-aliases/ForeignCallOutput.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/NoirJS/noir_js/type-aliases/ForeignCallOutput.md new file mode 100644 index 00000000000..b71fb78a946 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/NoirJS/noir_js/type-aliases/ForeignCallOutput.md @@ -0,0 +1,9 @@ +# ForeignCallOutput + +```ts +type ForeignCallOutput: string | string[]; +``` + +*** + +Generated using [typedoc-plugin-markdown](https://www.npmjs.com/package/typedoc-plugin-markdown) and [TypeDoc](https://typedoc.org/) diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/NoirJS/noir_js/type-aliases/WitnessMap.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/NoirJS/noir_js/type-aliases/WitnessMap.md new file mode 100644 index 00000000000..258c46f9d0c --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/NoirJS/noir_js/type-aliases/WitnessMap.md @@ -0,0 +1,9 @@ +# WitnessMap + +```ts +type WitnessMap: Map; +``` + +*** + +Generated using [typedoc-plugin-markdown](https://www.npmjs.com/package/typedoc-plugin-markdown) and [TypeDoc](https://typedoc.org/) diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/NoirJS/noir_js/typedoc-sidebar.cjs b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/NoirJS/noir_js/typedoc-sidebar.cjs new file mode 100644 index 00000000000..4796b5abaa8 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/NoirJS/noir_js/typedoc-sidebar.cjs @@ -0,0 +1,4 @@ +// @ts-check +/** @type {import('@docusaurus/plugin-content-docs').SidebarsConfig} */ +const typedocSidebar = { items: [{"type":"category","label":"Classes","items":[{"type":"doc","id":"reference/NoirJS/noir_js/classes/Noir","label":"Noir"}]},{"type":"category","label":"Type Aliases","items":[{"type":"doc","id":"reference/NoirJS/noir_js/type-aliases/ErrorWithPayload","label":"ErrorWithPayload"},{"type":"doc","id":"reference/NoirJS/noir_js/type-aliases/ForeignCallHandler","label":"ForeignCallHandler"},{"type":"doc","id":"reference/NoirJS/noir_js/type-aliases/ForeignCallInput","label":"ForeignCallInput"},{"type":"doc","id":"reference/NoirJS/noir_js/type-aliases/ForeignCallOutput","label":"ForeignCallOutput"},{"type":"doc","id":"reference/NoirJS/noir_js/type-aliases/WitnessMap","label":"WitnessMap"}]},{"type":"category","label":"Functions","items":[{"type":"doc","id":"reference/NoirJS/noir_js/functions/and","label":"and"},{"type":"doc","id":"reference/NoirJS/noir_js/functions/blake2s256","label":"blake2s256"},{"type":"doc","id":"reference/NoirJS/noir_js/functions/ecdsa_secp256k1_verify","label":"ecdsa_secp256k1_verify"},{"type":"doc","id":"reference/NoirJS/noir_js/functions/ecdsa_secp256r1_verify","label":"ecdsa_secp256r1_verify"},{"type":"doc","id":"reference/NoirJS/noir_js/functions/xor","label":"xor"}]}]}; +module.exports = typedocSidebar.items; \ No newline at end of file diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/NoirJS/noir_wasm/.nojekyll b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/NoirJS/noir_wasm/.nojekyll new file mode 100644 index 00000000000..e2ac6616add --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/NoirJS/noir_wasm/.nojekyll @@ -0,0 +1 @@ +TypeDoc added this file to prevent GitHub Pages from using Jekyll. You can turn off this behavior by setting the `githubPages` option to false. \ No newline at end of file diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/NoirJS/noir_wasm/functions/compile.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/NoirJS/noir_wasm/functions/compile.md new file mode 100644 index 00000000000..6faf763b37f --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/NoirJS/noir_wasm/functions/compile.md @@ -0,0 +1,51 @@ +# compile() + +```ts +compile( + fileManager, + projectPath?, + logFn?, +debugLogFn?): Promise +``` + +Compiles a Noir project + +## Parameters + +| Parameter | Type | Description | +| :------ | :------ | :------ | +| `fileManager` | `FileManager` | The file manager to use | +| `projectPath`? | `string` | The path to the project inside the file manager. Defaults to the root of the file manager | +| `logFn`? | `LogFn` | A logging function. If not provided, console.log will be used | +| `debugLogFn`? | `LogFn` | A debug logging function. If not provided, logFn will be used | + +## Returns + +`Promise`\<[`ProgramCompilationArtifacts`](../index.md#programcompilationartifacts)\> + +## Example + +```typescript +// Node.js + +import { compile_program, createFileManager } from '@noir-lang/noir_wasm'; + +const fm = createFileManager(myProjectPath); +const myCompiledCode = await compile_program(fm); +``` + +```typescript +// Browser + +import { compile_program, createFileManager } from '@noir-lang/noir_wasm'; + +const fm = createFileManager('/'); +for (const path of files) { + await fm.writeFile(path, await getFileAsStream(path)); +} +const myCompiledCode = await compile_program(fm); +``` + +*** + +Generated using [typedoc-plugin-markdown](https://www.npmjs.com/package/typedoc-plugin-markdown) and [TypeDoc](https://typedoc.org/) diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/NoirJS/noir_wasm/functions/compile_contract.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/NoirJS/noir_wasm/functions/compile_contract.md new file mode 100644 index 00000000000..7d0b39a43ef --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/NoirJS/noir_wasm/functions/compile_contract.md @@ -0,0 +1,51 @@ +# compile\_contract() + +```ts +compile_contract( + fileManager, + projectPath?, + logFn?, +debugLogFn?): Promise +``` + +Compiles a Noir project + +## Parameters + +| Parameter | Type | Description | +| :------ | :------ | :------ | +| `fileManager` | `FileManager` | The file manager to use | +| `projectPath`? | `string` | The path to the project inside the file manager. Defaults to the root of the file manager | +| `logFn`? | `LogFn` | A logging function. If not provided, console.log will be used | +| `debugLogFn`? | `LogFn` | A debug logging function. If not provided, logFn will be used | + +## Returns + +`Promise`\<[`ContractCompilationArtifacts`](../index.md#contractcompilationartifacts)\> + +## Example + +```typescript +// Node.js + +import { compile_contract, createFileManager } from '@noir-lang/noir_wasm'; + +const fm = createFileManager(myProjectPath); +const myCompiledCode = await compile_contract(fm); +``` + +```typescript +// Browser + +import { compile_contract, createFileManager } from '@noir-lang/noir_wasm'; + +const fm = createFileManager('/'); +for (const path of files) { + await fm.writeFile(path, await getFileAsStream(path)); +} +const myCompiledCode = await compile_contract(fm); +``` + +*** + +Generated using [typedoc-plugin-markdown](https://www.npmjs.com/package/typedoc-plugin-markdown) and [TypeDoc](https://typedoc.org/) diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/NoirJS/noir_wasm/functions/createFileManager.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/NoirJS/noir_wasm/functions/createFileManager.md new file mode 100644 index 00000000000..7e65c1d69c7 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/NoirJS/noir_wasm/functions/createFileManager.md @@ -0,0 +1,21 @@ +# createFileManager() + +```ts +createFileManager(dataDir): FileManager +``` + +Creates a new FileManager instance based on fs in node and memfs in the browser (via webpack alias) + +## Parameters + +| Parameter | Type | Description | +| :------ | :------ | :------ | +| `dataDir` | `string` | root of the file system | + +## Returns + +`FileManager` + +*** + +Generated using [typedoc-plugin-markdown](https://www.npmjs.com/package/typedoc-plugin-markdown) and [TypeDoc](https://typedoc.org/) diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/NoirJS/noir_wasm/functions/inflateDebugSymbols.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/NoirJS/noir_wasm/functions/inflateDebugSymbols.md new file mode 100644 index 00000000000..fcea9275341 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/NoirJS/noir_wasm/functions/inflateDebugSymbols.md @@ -0,0 +1,21 @@ +# inflateDebugSymbols() + +```ts +inflateDebugSymbols(debugSymbols): any +``` + +Decompresses and decodes the debug symbols + +## Parameters + +| Parameter | Type | Description | +| :------ | :------ | :------ | +| `debugSymbols` | `string` | The base64 encoded debug symbols | + +## Returns + +`any` + +*** + +Generated using [typedoc-plugin-markdown](https://www.npmjs.com/package/typedoc-plugin-markdown) and [TypeDoc](https://typedoc.org/) diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/NoirJS/noir_wasm/index.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/NoirJS/noir_wasm/index.md new file mode 100644 index 00000000000..b6e0f9d1bc0 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/NoirJS/noir_wasm/index.md @@ -0,0 +1,49 @@ +# noir_wasm + +## Exports + +### Functions + +| Function | Description | +| :------ | :------ | +| [compile](functions/compile.md) | Compiles a Noir project | +| [compile\_contract](functions/compile_contract.md) | Compiles a Noir project | +| [createFileManager](functions/createFileManager.md) | Creates a new FileManager instance based on fs in node and memfs in the browser (via webpack alias) | +| [inflateDebugSymbols](functions/inflateDebugSymbols.md) | Decompresses and decodes the debug symbols | + +## References + +### compile\_program + +Renames and re-exports [compile](functions/compile.md) + +## Interfaces + +### ContractCompilationArtifacts + +The compilation artifacts of a given contract. + +#### Properties + +| Property | Type | Description | +| :------ | :------ | :------ | +| `contract` | `ContractArtifact` | The compiled contract. | +| `warnings` | `unknown`[] | Compilation warnings. | + +*** + +### ProgramCompilationArtifacts + +The compilation artifacts of a given program. + +#### Properties + +| Property | Type | Description | +| :------ | :------ | :------ | +| `name` | `string` | not part of the compilation output, injected later | +| `program` | `ProgramArtifact` | The compiled contract. | +| `warnings` | `unknown`[] | Compilation warnings. | + +*** + +Generated using [typedoc-plugin-markdown](https://www.npmjs.com/package/typedoc-plugin-markdown) and [TypeDoc](https://typedoc.org/) diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/NoirJS/noir_wasm/typedoc-sidebar.cjs b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/NoirJS/noir_wasm/typedoc-sidebar.cjs new file mode 100644 index 00000000000..e0870710349 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/NoirJS/noir_wasm/typedoc-sidebar.cjs @@ -0,0 +1,4 @@ +// @ts-check +/** @type {import('@docusaurus/plugin-content-docs').SidebarsConfig} */ +const typedocSidebar = { items: [{"type":"doc","id":"reference/NoirJS/noir_wasm/index","label":"API"},{"type":"category","label":"Functions","items":[{"type":"doc","id":"reference/NoirJS/noir_wasm/functions/compile","label":"compile"},{"type":"doc","id":"reference/NoirJS/noir_wasm/functions/compile_contract","label":"compile_contract"},{"type":"doc","id":"reference/NoirJS/noir_wasm/functions/createFileManager","label":"createFileManager"},{"type":"doc","id":"reference/NoirJS/noir_wasm/functions/inflateDebugSymbols","label":"inflateDebugSymbols"}]}]}; +module.exports = typedocSidebar.items; \ No newline at end of file diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/_category_.json b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/_category_.json new file mode 100644 index 00000000000..5b6a20a609a --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/_category_.json @@ -0,0 +1,5 @@ +{ + "position": 4, + "collapsible": true, + "collapsed": true +} diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/debugger/_category_.json b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/debugger/_category_.json new file mode 100644 index 00000000000..27869205ad3 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/debugger/_category_.json @@ -0,0 +1,6 @@ +{ + "label": "Debugger", + "position": 1, + "collapsible": true, + "collapsed": true +} diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/debugger/debugger_known_limitations.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/debugger/debugger_known_limitations.md new file mode 100644 index 00000000000..936d416ac4b --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/debugger/debugger_known_limitations.md @@ -0,0 +1,59 @@ +--- +title: Known limitations +description: + An overview of known limitations of the current version of the Noir debugger +keywords: + [ + Nargo, + Noir Debugger, + VS Code, + ] +sidebar_position: 2 +--- + +# Debugger Known Limitations + +There are currently some limits to what the debugger can observe. + +## Mutable references + +The debugger is currently blind to any state mutated via a mutable reference. For example, in: + +``` +let mut x = 1; +let y = &mut x; +*y = 2; +``` + +The update on `x` will not be observed by the debugger. That means, when running `vars` from the debugger REPL, or inspecting the _local variables_ pane in the VS Code debugger, `x` will appear with value 1 despite having executed `*y = 2;`. + +## Variables of type function or mutable references are opaque + +When inspecting variables, any variable of type `Function` or `MutableReference` will render its value as `<>` or `<>`. + +## Debugger instrumentation affects resulting ACIR + +In order to make the state of local variables observable, the debugger compiles Noir circuits interleaving foreign calls that track any mutations to them. While this works (except in the cases described above) and doesn't introduce any behavior changes, it does as a side effect produce bigger bytecode. In particular, when running the command `opcodes` on the REPL debugger, you will notice Unconstrained VM blocks that look like this: + +``` +... +5 BRILLIG inputs=[Single(Expression { mul_terms: [], linear_combinations: [], q_c: 2 }), Single(Expression { mul_terms: [], linear_combinations: [(1, Witness(2))], q_c: 0 })] + | outputs=[] + 5.0 | Mov { destination: RegisterIndex(2), source: RegisterIndex(0) } + 5.1 | Mov { destination: RegisterIndex(3), source: RegisterIndex(1) } + 5.2 | Const { destination: RegisterIndex(0), value: Value { inner: 0 } } + 5.3 | Const { destination: RegisterIndex(1), value: Value { inner: 0 } } + 5.4 | Mov { destination: RegisterIndex(2), source: RegisterIndex(2) } + 5.5 | Mov { destination: RegisterIndex(3), source: RegisterIndex(3) } + 5.6 | Call { location: 8 } + 5.7 | Stop + 5.8 | ForeignCall { function: "__debug_var_assign", destinations: [], inputs: [RegisterIndex(RegisterIndex(2)), RegisterIndex(RegisterIndex(3))] } +... +``` + +If you are interested in debugging/inspecting compiled ACIR without these synthetic changes, you can invoke the REPL debugger with the `--skip-instrumentation` flag or launch the VS Code debugger with the `skipConfiguration` property set to true in its launch configuration. You can find more details about those in the [Debugger REPL reference](debugger_repl.md) and the [VS Code Debugger reference](debugger_vscode.md). + +:::note +Skipping debugger instrumentation means you won't be able to inspect values of local variables. +::: + diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/debugger/debugger_repl.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/debugger/debugger_repl.md new file mode 100644 index 00000000000..46e2011304e --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/debugger/debugger_repl.md @@ -0,0 +1,360 @@ +--- +title: REPL Debugger +description: + Noir Debugger REPL options and commands. +keywords: + [ + Nargo, + Noir CLI, + Noir Debugger, + REPL, + ] +sidebar_position: 1 +--- + +## Running the REPL debugger + +`nargo debug [OPTIONS] [WITNESS_NAME]` + +Runs the Noir REPL debugger. If a `WITNESS_NAME` is provided the debugger writes the resulting execution witness to a `WITNESS_NAME` file. + +### Options + +| Option | Description | +| --------------------- | ------------------------------------------------------------ | +| `-p, --prover-name ` | The name of the toml file which contains the inputs for the prover [default: Prover]| +| `--package ` | The name of the package to debug | +| `--print-acir` | Display the ACIR for compiled circuit | +| `--deny-warnings` | Treat all warnings as errors | +| `--silence-warnings` | Suppress warnings | +| `-h, --help` | Print help | + +None of these options are required. + +:::note +Since the debugger starts by compiling the target package, all Noir compiler options are also available. Check out the [compiler reference](../nargo_commands.md#nargo-compile) to learn more about the compiler options. +::: + +## REPL commands + +Once the debugger is running, it accepts the following commands. + +#### `help` (h) + +Displays the menu of available commands. + +``` +> help +Available commands: + + opcodes display ACIR opcodes + into step into to the next opcode + next step until a new source location is reached + out step until a new source location is reached + and the current stack frame is finished + break LOCATION:OpcodeLocation add a breakpoint at an opcode location + over step until a new source location is reached + without diving into function calls + restart restart the debugging session + delete LOCATION:OpcodeLocation delete breakpoint at an opcode location + witness show witness map + witness index:u32 display a single witness from the witness map + witness index:u32 value:String update a witness with the given value + memset index:usize value:String update a memory cell with the given + value + continue continue execution until the end of the + program + vars show variable values available at this point + in execution + stacktrace display the current stack trace + memory show memory (valid when executing unconstrained code) value + step step to the next ACIR opcode + +Other commands: + + help Show this help message + quit Quit repl + +``` + +### Stepping through programs + +#### `next` (n) + +Step until the next Noir source code location. While other commands, such as [`into`](#into-i) and [`step`](#step-s), allow for finer grained control of the program's execution at the opcode level, `next` is source code centric. For example: + +``` +3 ... +4 fn main(x: u32) { +5 assert(entry_point(x) == 2); +6 swap_entry_point(x, x + 1); +7 -> assert(deep_entry_point(x) == 4); +8 multiple_values_entry_point(x); +9 } +``` + + +Using `next` here would cause the debugger to jump to the definition of `deep_entry_point` (if available). + +If you want to step over `deep_entry_point` and go straight to line 8, use [the `over` command](#over) instead. + +#### `over` + +Step until the next source code location, without diving into function calls. For example: + +``` +3 ... +4 fn main(x: u32) { +5 assert(entry_point(x) == 2); +6 swap_entry_point(x, x + 1); +7 -> assert(deep_entry_point(x) == 4); +8 multiple_values_entry_point(x); +9 } +``` + + +Using `over` here would cause the debugger to execute until line 8 (`multiple_values_entry_point(x);`). + +If you want to step into `deep_entry_point` instead, use [the `next` command](#next-n). + +#### `out` + +Step until the end of the current function call. For example: + +``` + 3 ... + 4 fn main(x: u32) { + 5 assert(entry_point(x) == 2); + 6 swap_entry_point(x, x + 1); + 7 -> assert(deep_entry_point(x) == 4); + 8 multiple_values_entry_point(x); + 9 } + 10 + 11 unconstrained fn returns_multiple_values(x: u32) -> (u32, u32, u32, u32) { + 12 ... + ... + 55 + 56 unconstrained fn deep_entry_point(x: u32) -> u32 { + 57 -> level_1(x + 1) + 58 } + +``` + +Running `out` here will resume execution until line 8. + +#### `step` (s) + +Skips to the next ACIR code. A compiled Noir program is a sequence of ACIR opcodes. However, an unconstrained VM opcode denotes the start of an unconstrained code block, to be executed by the unconstrained VM. For example (redacted for brevity): + +``` +0 BLACKBOX::RANGE [(_0, num_bits: 32)] [ ] +1 -> BRILLIG inputs=[Single(Expression { mul_terms: [], linear_combinations: [(1, Witness(0))], q_c: 0 })] outputs=[Simple(Witness(1))] + 1.0 | Mov { destination: RegisterIndex(2), source: RegisterIndex(0) } + 1.1 | Const { destination: RegisterIndex(0), value: Value { inner: 0 } } + 1.2 | Const { destination: RegisterIndex(1), value: Value { inner: 0 } } + 1.3 | Mov { destination: RegisterIndex(2), source: RegisterIndex(2) } + 1.4 | Call { location: 7 } + ... + 1.43 | Return +2 EXPR [ (1, _1) -2 ] +``` + +The `->` here shows the debugger paused at an ACIR opcode: `BRILLIG`, at index 1, which denotes an unconstrained code block is about to start. + +Using the `step` command at this point would result in the debugger stopping at ACIR opcode 2, `EXPR`, skipping unconstrained computation steps. + +Use [the `into` command](#into-i) instead if you want to follow unconstrained computation step by step. + +#### `into` (i) + +Steps into the next opcode. A compiled Noir program is a sequence of ACIR opcodes. However, a BRILLIG opcode denotes the start of an unconstrained code block, to be executed by the unconstrained VM. For example (redacted for brevity): + +``` +0 BLACKBOX::RANGE [(_0, num_bits: 32)] [ ] +1 -> BRILLIG inputs=[Single(Expression { mul_terms: [], linear_combinations: [(1, Witness(0))], q_c: 0 })] outputs=[Simple(Witness(1))] + 1.0 | Mov { destination: RegisterIndex(2), source: RegisterIndex(0) } + 1.1 | Const { destination: RegisterIndex(0), value: Value { inner: 0 } } + 1.2 | Const { destination: RegisterIndex(1), value: Value { inner: 0 } } + 1.3 | Mov { destination: RegisterIndex(2), source: RegisterIndex(2) } + 1.4 | Call { location: 7 } + ... + 1.43 | Return +2 EXPR [ (1, _1) -2 ] +``` + +The `->` here shows the debugger paused at an ACIR opcode: `BRILLIG`, at index 1, which denotes an unconstrained code block is about to start. + +Using the `into` command at this point would result in the debugger stopping at opcode 1.0, `Mov ...`, allowing the debugger user to follow unconstrained computation step by step. + +Use [the `step` command](#step-s) instead if you want to skip to the next ACIR code directly. + +#### `continue` (c) + +Continues execution until the next breakpoint, or the end of the program. + +#### `restart` (res) + +Interrupts execution, and restarts a new debugging session from scratch. + +#### `opcodes` (o) + +Display the program's ACIR opcode sequence. For example: + +``` +0 BLACKBOX::RANGE [(_0, num_bits: 32)] [ ] +1 -> BRILLIG inputs=[Single(Expression { mul_terms: [], linear_combinations: [(1, Witness(0))], q_c: 0 })] outputs=[Simple(Witness(1))] + 1.0 | Mov { destination: RegisterIndex(2), source: RegisterIndex(0) } + 1.1 | Const { destination: RegisterIndex(0), value: Value { inner: 0 } } + 1.2 | Const { destination: RegisterIndex(1), value: Value { inner: 0 } } + 1.3 | Mov { destination: RegisterIndex(2), source: RegisterIndex(2) } + 1.4 | Call { location: 7 } + ... + 1.43 | Return +2 EXPR [ (1, _1) -2 ] +``` + +### Breakpoints + +#### `break [Opcode]` (or shorthand `b [Opcode]`) + +Sets a breakpoint on the specified opcode index. To get a list of the program opcode numbers, see [the `opcode` command](#opcodes-o). For example: + +``` +0 BLACKBOX::RANGE [(_0, num_bits: 32)] [ ] +1 -> BRILLIG inputs=[Single(Expression { mul_terms: [], linear_combinations: [(1, Witness(0))], q_c: 0 })] outputs=[Simple(Witness(1))] + 1.0 | Mov { destination: RegisterIndex(2), source: RegisterIndex(0) } + 1.1 | Const { destination: RegisterIndex(0), value: Value { inner: 0 } } + 1.2 | Const { destination: RegisterIndex(1), value: Value { inner: 0 } } + 1.3 | Mov { destination: RegisterIndex(2), source: RegisterIndex(2) } + 1.4 | Call { location: 7 } + ... + 1.43 | Return +2 EXPR [ (1, _1) -2 ] +``` + +In this example, issuing a `break 1.2` command adds break on opcode 1.2, as denoted by the `*` character: + +``` +0 BLACKBOX::RANGE [(_0, num_bits: 32)] [ ] +1 -> BRILLIG inputs=[Single(Expression { mul_terms: [], linear_combinations: [(1, Witness(0))], q_c: 0 })] outputs=[Simple(Witness(1))] + 1.0 | Mov { destination: RegisterIndex(2), source: RegisterIndex(0) } + 1.1 | Const { destination: RegisterIndex(0), value: Value { inner: 0 } } + 1.2 | * Const { destination: RegisterIndex(1), value: Value { inner: 0 } } + 1.3 | Mov { destination: RegisterIndex(2), source: RegisterIndex(2) } + 1.4 | Call { location: 7 } + ... + 1.43 | Return +2 EXPR [ (1, _1) -2 ] +``` + +Running [the `continue` command](#continue-c) at this point would cause the debugger to execute the program until opcode 1.2. + +#### `delete [Opcode]` (or shorthand `d [Opcode]`) + +Deletes a breakpoint at an opcode location. Usage is analogous to [the `break` command](#). + +### Variable inspection + +#### vars + +Show variable values available at this point in execution. + +:::note +The ability to inspect variable values from the debugger depends on compilation to be run in a special debug instrumentation mode. This instrumentation weaves variable tracing code with the original source code. + +So variable value inspection comes at the expense of making the resulting ACIR bytecode bigger and harder to understand and optimize. + +If you find this compromise unacceptable, you can run the debugger with the flag `--skip-debug-instrumentation`. This will compile your circuit without any additional debug information, so the resulting ACIR bytecode will be identical to the one produced by standard Noir compilation. However, if you opt for this, the `vars` command will not be available while debugging. +::: + + +### Stacktrace + +#### `stacktrace` + +Displays the current stack trace. + + +### Witness map + +#### `witness` (w) + +Show witness map. For example: + +``` +_0 = 0 +_1 = 2 +_2 = 1 +``` + +#### `witness [Witness Index]` + +Display a single witness from the witness map. For example: + +``` +> witness 1 +_1 = 2 +``` + +#### `witness [Witness Index] [New value]` + +Overwrite the given index with a new value. For example: + +``` +> witness 1 3 +_1 = 3 +``` + + +### Unconstrained VM memory + +#### `memory` + +Show unconstrained VM memory state. For example: + +``` +> memory +At opcode 1.13: Store { destination_pointer: RegisterIndex(0), source: RegisterIndex(3) } +... +> registers +0 = 0 +1 = 10 +2 = 0 +3 = 1 +4 = 1 +5 = 2³² +6 = 1 +> into +At opcode 1.14: Const { destination: RegisterIndex(5), value: Value { inner: 1 } } +... +> memory +0 = 1 +> +``` + +In the example above: we start with clean memory, then step through a `Store` opcode which stores the value of register 3 (1) into the memory address stored in register 0 (0). Thus now `memory` shows memory address 0 contains value 1. + +:::note +This command is only functional while the debugger is executing unconstrained code. +::: + +#### `memset [Memory address] [New value]` + +Update a memory cell with the given value. For example: + +``` +> memory +0 = 1 +> memset 0 2 +> memory +0 = 2 +> memset 1 4 +> memory +0 = 2 +1 = 4 +> +``` + +:::note +This command is only functional while the debugger is executing unconstrained code. +::: \ No newline at end of file diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/debugger/debugger_vscode.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/debugger/debugger_vscode.md new file mode 100644 index 00000000000..c027332b3b0 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/debugger/debugger_vscode.md @@ -0,0 +1,82 @@ +--- +title: VS Code Debugger +description: + VS Code Debugger configuration and features. +keywords: + [ + Nargo, + Noir CLI, + Noir Debugger, + VS Code, + IDE, + ] +sidebar_position: 0 +--- + +# VS Code Noir Debugger Reference + +The Noir debugger enabled by the vscode-noir extension ships with default settings such that the most common scenario should run without any additional configuration steps. + +These defaults can nevertheless be overridden by defining a launch configuration file. This page provides a reference for the properties you can override via a launch configuration file, as well as documenting the Nargo `dap` command, which is a dependency of the VS Code Noir debugger. + + +## Creating and editing launch configuration files + +To create a launch configuration file from VS Code, open the _debug pane_, and click on _create a launch.json file_. + +![Creating a launch configuration file](@site/static/img/debugger/ref1-create-launch.png) + +A `launch.json` file will be created, populated with basic defaults. + +### Noir Debugger launch.json properties + +#### projectFolder + +_String, optional._ + +Absolute path to the Nargo project to debug. By default, it is dynamically determined by looking for the nearest `Nargo.toml` file to the active file at the moment of launching the debugger. + +#### proverName + +_String, optional._ + +Name of the prover input to use. Defaults to `Prover`, which looks for a file named `Prover.toml` at the `projectFolder`. + +#### generateAcir + +_Boolean, optional._ + +If true, generate ACIR opcodes instead of unconstrained opcodes which will be closer to release binaries but less convenient for debugging. Defaults to `false`. + +#### skipInstrumentation + +_Boolean, optional._ + +Skips variables debugging instrumentation of code, making debugging less convenient but the resulting binary smaller and closer to production. Defaults to `false`. + +:::note +Skipping instrumentation causes the debugger to be unable to inspect local variables. +::: + +## `nargo dap [OPTIONS]` + +When run without any option flags, it starts the Nargo Debug Adapter Protocol server, which acts as the debugging backend for the VS Code Noir Debugger. + +All option flags are related to preflight checks. The Debug Adapter Protocol specifies how errors are to be informed from a running DAP server, but it doesn't specify mechanisms to communicate server initialization errors between the DAP server and its client IDE. + +Thus `nargo dap` ships with a _preflight check_ mode. If flag `--preflight-check` and the rest of the `--preflight-*` flags are provided, Nargo will run the same initialization routine except it will not start the DAP server. + +`vscode-noir` will then run `nargo dap` in preflight check mode first before a debugging session starts. If the preflight check ends in error, vscode-noir will present stderr and stdout output from this process through its own Output pane in VS Code. This makes it possible for users to diagnose what pieces of configuration might be wrong or missing in case of initialization errors. + +If the preflight check succeeds, `vscode-noir` proceeds to start the DAP server normally but running `nargo dap` without any additional flags. + +### Options + +| Option | Description | +| --------------------------------------------------------- | --------------------------------------------------------------------------------------------------------- | +| `--preflight-check` | If present, dap runs in preflight check mode. | +| `--preflight-project-folder ` | Absolute path to the project to debug for preflight check. | +| `--preflight-prover-name ` | Name of prover file to use for preflight check | +| `--preflight-generate-acir` | Optional. If present, compile in ACIR mode while running preflight check. | +| `--preflight-skip-instrumentation` | Optional. If present, compile without introducing debug instrumentation while running preflight check. | +| `-h, --help` | Print help. | diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/nargo_commands.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/nargo_commands.md new file mode 100644 index 00000000000..8842fad6647 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/nargo_commands.md @@ -0,0 +1,474 @@ +--- +title: Nargo +description: + Noir CLI Commands for Noir Prover and Verifier to create, execute, prove and verify programs, + generate Solidity verifier smart contract and compile into JSON file containing ACIR + representation and ABI of circuit. +keywords: + [ + Nargo, + Noir CLI, + Noir Prover, + Noir Verifier, + generate Solidity verifier, + compile JSON file, + ACIR representation, + ABI of circuit, + TypeScript, + ] +sidebar_position: 0 +--- + +# Command-Line Help for `nargo` + +This document contains the help content for the `nargo` command-line program. + +**Command Overview:** + +* [`nargo`↴](#nargo) +* [`nargo check`↴](#nargo-check) +* [`nargo fmt`↴](#nargo-fmt) +* [`nargo compile`↴](#nargo-compile) +* [`nargo new`↴](#nargo-new) +* [`nargo init`↴](#nargo-init) +* [`nargo execute`↴](#nargo-execute) +* [`nargo debug`↴](#nargo-debug) +* [`nargo test`↴](#nargo-test) +* [`nargo info`↴](#nargo-info) +* [`nargo lsp`↴](#nargo-lsp) +* [`nargo generate-completion-script`↴](#nargo-generate-completion-script) + +## `nargo` + +Noir's package manager + +**Usage:** `nargo ` + +###### **Subcommands:** + +* `check` — Checks the constraint system for errors +* `fmt` — Format the Noir files in a workspace +* `compile` — Compile the program and its secret execution trace into ACIR format +* `new` — Create a Noir project in a new directory +* `init` — Create a Noir project in the current directory +* `execute` — Executes a circuit to calculate its return value +* `debug` — Executes a circuit in debug mode +* `test` — Run the tests for this program +* `info` — Provides detailed information on each of a program's function (represented by a single circuit) +* `lsp` — Starts the Noir LSP server +* `generate-completion-script` — Generates a shell completion script for your favorite shell + +###### **Options:** + + + + +## `nargo check` + +Checks the constraint system for errors + +**Usage:** `nargo check [OPTIONS]` + +###### **Options:** + +* `--package ` — The name of the package to check +* `--workspace` — Check all packages in the workspace + + Possible values: `true`, `false` + +* `--overwrite` — Force overwrite of existing files + + Possible values: `true`, `false` + +* `--expression-width ` — Specify the backend expression width that should be targeted +* `--bounded-codegen` — Generate ACIR with the target backend expression width. The default is to generate ACIR without a bound and split expressions after code generation. Activating this flag can sometimes provide optimizations for certain programs + + Default value: `false` + + Possible values: `true`, `false` + +* `--force` — Force a full recompilation + + Possible values: `true`, `false` + +* `--print-acir` — Display the ACIR for compiled circuit + + Possible values: `true`, `false` + +* `--deny-warnings` — Treat all warnings as errors + + Possible values: `true`, `false` + +* `--silence-warnings` — Suppress warnings + + Possible values: `true`, `false` + +* `--debug-comptime-in-file ` — Enable printing results of comptime evaluation: provide a path suffix for the module to debug, e.g. "package_name/src/main.nr" +* `--skip-underconstrained-check` — Flag to turn off the compiler check for under constrained values. Warning: This can improve compilation speed but can also lead to correctness errors. This check should always be run on production code + + Possible values: `true`, `false` + + + + +## `nargo fmt` + +Format the Noir files in a workspace + +**Usage:** `nargo fmt [OPTIONS]` + +###### **Options:** + +* `--check` — Run noirfmt in check mode + + Possible values: `true`, `false` + + + + +## `nargo compile` + +Compile the program and its secret execution trace into ACIR format + +**Usage:** `nargo compile [OPTIONS]` + +###### **Options:** + +* `--package ` — The name of the package to compile +* `--workspace` — Compile all packages in the workspace + + Possible values: `true`, `false` + +* `--expression-width ` — Specify the backend expression width that should be targeted +* `--bounded-codegen` — Generate ACIR with the target backend expression width. The default is to generate ACIR without a bound and split expressions after code generation. Activating this flag can sometimes provide optimizations for certain programs + + Default value: `false` + + Possible values: `true`, `false` + +* `--force` — Force a full recompilation + + Possible values: `true`, `false` + +* `--print-acir` — Display the ACIR for compiled circuit + + Possible values: `true`, `false` + +* `--deny-warnings` — Treat all warnings as errors + + Possible values: `true`, `false` + +* `--silence-warnings` — Suppress warnings + + Possible values: `true`, `false` + +* `--debug-comptime-in-file ` — Enable printing results of comptime evaluation: provide a path suffix for the module to debug, e.g. "package_name/src/main.nr" +* `--skip-underconstrained-check` — Flag to turn off the compiler check for under constrained values. Warning: This can improve compilation speed but can also lead to correctness errors. This check should always be run on production code + + Possible values: `true`, `false` + + + + +## `nargo new` + +Create a Noir project in a new directory + +**Usage:** `nargo new [OPTIONS] ` + +###### **Arguments:** + +* `` — The path to save the new project + +###### **Options:** + +* `--name ` — Name of the package [default: package directory name] +* `--lib` — Use a library template + + Possible values: `true`, `false` + +* `--bin` — Use a binary template [default] + + Possible values: `true`, `false` + +* `--contract` — Use a contract template + + Possible values: `true`, `false` + + + + +## `nargo init` + +Create a Noir project in the current directory + +**Usage:** `nargo init [OPTIONS]` + +###### **Options:** + +* `--name ` — Name of the package [default: current directory name] +* `--lib` — Use a library template + + Possible values: `true`, `false` + +* `--bin` — Use a binary template [default] + + Possible values: `true`, `false` + +* `--contract` — Use a contract template + + Possible values: `true`, `false` + + + + +## `nargo execute` + +Executes a circuit to calculate its return value + +**Usage:** `nargo execute [OPTIONS] [WITNESS_NAME]` + +###### **Arguments:** + +* `` — Write the execution witness to named file + +Defaults to the name of the package being executed. + +###### **Options:** + +* `-p`, `--prover-name ` — The name of the toml file which contains the inputs for the prover + + Default value: `Prover` +* `--package ` — The name of the package to execute +* `--workspace` — Execute all packages in the workspace + + Possible values: `true`, `false` + +* `--expression-width ` — Specify the backend expression width that should be targeted +* `--bounded-codegen` — Generate ACIR with the target backend expression width. The default is to generate ACIR without a bound and split expressions after code generation. Activating this flag can sometimes provide optimizations for certain programs + + Default value: `false` + + Possible values: `true`, `false` + +* `--force` — Force a full recompilation + + Possible values: `true`, `false` + +* `--print-acir` — Display the ACIR for compiled circuit + + Possible values: `true`, `false` + +* `--deny-warnings` — Treat all warnings as errors + + Possible values: `true`, `false` + +* `--silence-warnings` — Suppress warnings + + Possible values: `true`, `false` + +* `--debug-comptime-in-file ` — Enable printing results of comptime evaluation: provide a path suffix for the module to debug, e.g. "package_name/src/main.nr" +* `--skip-underconstrained-check` — Flag to turn off the compiler check for under constrained values. Warning: This can improve compilation speed but can also lead to correctness errors. This check should always be run on production code + + Possible values: `true`, `false` + +* `--oracle-resolver ` — JSON RPC url to solve oracle calls + + + +## `nargo debug` + +Executes a circuit in debug mode + +**Usage:** `nargo debug [OPTIONS] [WITNESS_NAME]` + +###### **Arguments:** + +* `` — Write the execution witness to named file + +###### **Options:** + +* `-p`, `--prover-name ` — The name of the toml file which contains the inputs for the prover + + Default value: `Prover` +* `--package ` — The name of the package to execute +* `--expression-width ` — Specify the backend expression width that should be targeted +* `--bounded-codegen` — Generate ACIR with the target backend expression width. The default is to generate ACIR without a bound and split expressions after code generation. Activating this flag can sometimes provide optimizations for certain programs + + Default value: `false` + + Possible values: `true`, `false` + +* `--force` — Force a full recompilation + + Possible values: `true`, `false` + +* `--print-acir` — Display the ACIR for compiled circuit + + Possible values: `true`, `false` + +* `--deny-warnings` — Treat all warnings as errors + + Possible values: `true`, `false` + +* `--silence-warnings` — Suppress warnings + + Possible values: `true`, `false` + +* `--debug-comptime-in-file ` — Enable printing results of comptime evaluation: provide a path suffix for the module to debug, e.g. "package_name/src/main.nr" +* `--skip-underconstrained-check` — Flag to turn off the compiler check for under constrained values. Warning: This can improve compilation speed but can also lead to correctness errors. This check should always be run on production code + + Possible values: `true`, `false` + +* `--acir-mode` — Force ACIR output (disabling instrumentation) + + Possible values: `true`, `false` + +* `--skip-instrumentation ` — Disable vars debug instrumentation (enabled by default) + + Possible values: `true`, `false` + + + + +## `nargo test` + +Run the tests for this program + +**Usage:** `nargo test [OPTIONS] [TEST_NAME]` + +###### **Arguments:** + +* `` — If given, only tests with names containing this string will be run + +###### **Options:** + +* `--show-output` — Display output of `println` statements + + Possible values: `true`, `false` + +* `--exact` — Only run tests that match exactly + + Possible values: `true`, `false` + +* `--package ` — The name of the package to test +* `--workspace` — Test all packages in the workspace + + Possible values: `true`, `false` + +* `--expression-width ` — Specify the backend expression width that should be targeted +* `--bounded-codegen` — Generate ACIR with the target backend expression width. The default is to generate ACIR without a bound and split expressions after code generation. Activating this flag can sometimes provide optimizations for certain programs + + Default value: `false` + + Possible values: `true`, `false` + +* `--force` — Force a full recompilation + + Possible values: `true`, `false` + +* `--print-acir` — Display the ACIR for compiled circuit + + Possible values: `true`, `false` + +* `--deny-warnings` — Treat all warnings as errors + + Possible values: `true`, `false` + +* `--silence-warnings` — Suppress warnings + + Possible values: `true`, `false` + +* `--debug-comptime-in-file ` — Enable printing results of comptime evaluation: provide a path suffix for the module to debug, e.g. "package_name/src/main.nr" +* `--skip-underconstrained-check` — Flag to turn off the compiler check for under constrained values. Warning: This can improve compilation speed but can also lead to correctness errors. This check should always be run on production code + + Possible values: `true`, `false` + +* `--oracle-resolver ` — JSON RPC url to solve oracle calls + + + +## `nargo info` + +Provides detailed information on each of a program's function (represented by a single circuit) + +Current information provided per circuit: 1. The number of ACIR opcodes 2. Counts the final number gates in the circuit used by a backend + +**Usage:** `nargo info [OPTIONS]` + +###### **Options:** + +* `--package ` — The name of the package to detail +* `--workspace` — Detail all packages in the workspace + + Possible values: `true`, `false` + +* `--profile-execution` + + Possible values: `true`, `false` + +* `-p`, `--prover-name ` — The name of the toml file which contains the inputs for the prover + + Default value: `Prover` +* `--expression-width ` — Specify the backend expression width that should be targeted +* `--bounded-codegen` — Generate ACIR with the target backend expression width. The default is to generate ACIR without a bound and split expressions after code generation. Activating this flag can sometimes provide optimizations for certain programs + + Default value: `false` + + Possible values: `true`, `false` + +* `--force` — Force a full recompilation + + Possible values: `true`, `false` + +* `--print-acir` — Display the ACIR for compiled circuit + + Possible values: `true`, `false` + +* `--deny-warnings` — Treat all warnings as errors + + Possible values: `true`, `false` + +* `--silence-warnings` — Suppress warnings + + Possible values: `true`, `false` + +* `--debug-comptime-in-file ` — Enable printing results of comptime evaluation: provide a path suffix for the module to debug, e.g. "package_name/src/main.nr" +* `--skip-underconstrained-check` — Flag to turn off the compiler check for under constrained values. Warning: This can improve compilation speed but can also lead to correctness errors. This check should always be run on production code + + Possible values: `true`, `false` + + + + +## `nargo lsp` + +Starts the Noir LSP server + +Starts an LSP server which allows IDEs such as VS Code to display diagnostics in Noir source. + +VS Code Noir Language Support: https://marketplace.visualstudio.com/items?itemName=noir-lang.vscode-noir + +**Usage:** `nargo lsp` + + + +## `nargo generate-completion-script` + +Generates a shell completion script for your favorite shell + +**Usage:** `nargo generate-completion-script ` + +###### **Arguments:** + +* `` — The shell to generate completions for. One of: bash, elvish, fish, powershell, zsh + + + +
+ + + This document was generated automatically by + clap-markdown. + + diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/noir_codegen.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/noir_codegen.md new file mode 100644 index 00000000000..e4c362f9610 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/reference/noir_codegen.md @@ -0,0 +1,116 @@ +--- +title: Noir Codegen for TypeScript +description: Learn how to use Noir codegen to generate TypeScript bindings +keywords: [Nargo, Noir, compile, TypeScript] +sidebar_position: 3 +--- + +When using TypeScript, it is extra work to interpret Noir program outputs in a type-safe way. Third party libraries may exist for popular Noir programs, but they are either hard to find or unmaintained. + +Now you can generate TypeScript bindings for your Noir programs in two steps: + +1. Exporting Noir functions using `nargo export` +2. Using the TypeScript module `noir_codegen` to generate TypeScript binding + +**Note:** you can only export functions from a Noir *library* (not binary or contract program types). + +## Installation + +### Your TypeScript project + +If you don't already have a TypeScript project you can add the module with `yarn` (or `npm`), then initialize it: + +```bash +yarn add typescript -D +npx tsc --init +``` + +### Add TypeScript module - `noir_codegen` + +The following command will add the module to your project's devDependencies: + +```bash +yarn add @noir-lang/noir_codegen -D +``` + +### Nargo library + +Make sure you have Nargo, v0.25.0 or greater, installed. If you don't, follow the [installation guide](../getting_started/noir_installation.md). + +If you're in a new project, make a `circuits` folder and create a new Noir library: + +```bash +mkdir circuits && cd circuits +nargo new --lib myNoirLib +``` + +## Usage + +### Export ABI of specified functions + +First go to the `.nr` files in your Noir library, and add the `#[export]` macro to each function that you want to use in TypeScript. + +```rust +#[export] +fn your_function(... +``` + +From your Noir library (where `Nargo.toml` is), run the following command: + +```bash +nargo export +``` + +You will now have an `export` directory with a .json file per exported function. + +You can also specify the directory of Noir programs using `--program-dir`, for example: + +```bash +nargo export --program-dir=./circuits/myNoirLib +``` + +### Generate TypeScript bindings from exported functions + +To use the `noir-codegen` package we added to the TypeScript project: + +```bash +yarn noir-codegen ./export/your_function.json +``` + +This creates an `exports` directory with an `index.ts` file containing all exported functions. + +**Note:** adding `--out-dir` allows you to specify an output dir for your TypeScript bindings to go. Eg: + +```bash +yarn noir-codegen ./export/*.json --out-dir ./path/to/output/dir +``` + +## Example .nr function to .ts output + +Consider a Noir library with this function: + +```rust +#[export] +fn not_equal(x: Field, y: Field) -> bool { + x != y +} +``` + +After the export and codegen steps, you should have an `index.ts` like: + +```typescript +export type Field = string; + + +export const is_equal_circuit: CompiledCircuit = +{"abi":{"parameters":[{"name":"x","type":{"kind":"field"},"visibility":"private"},{"name":"y","type":{"kind":"field"},"visibility":"private"}],"return_type":{"abi_type":{"kind":"boolean"},"visibility":"private"}},"bytecode":"H4sIAAAAAAAA/7WUMQ7DIAxFQ0Krrr2JjSGYLVcpKrn/CaqqDQN12WK+hPBgmWd/wEyHbF1SS923uhOs3pfoChI+wKXMAXzIKyNj4PB0TFTYc0w5RUjoqeAeEu1wqK0F54RGkWvW44LPzExnlkbMEs4JNZmN8PxS42uHv82T8a3Jeyn2Ks+VLPcO558HmyLMCDOXAXXtpPt4R/Rt9T36ss6dS9HGPx/eG17nGegKBQAA"}; + +export async function is_equal(x: Field, y: Field, foreignCallHandler?: ForeignCallHandler): Promise { + const program = new Noir(is_equal_circuit); + const args: InputMap = { x, y }; + const { returnValue } = await program.execute(args, foreignCallHandler); + return returnValue as boolean; +} +``` + +Now the `is_equal()` function and relevant types are readily available for use in TypeScript. diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/tooling/debugger.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/tooling/debugger.md new file mode 100644 index 00000000000..200b5fc423a --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/tooling/debugger.md @@ -0,0 +1,26 @@ +--- +title: Debugger +description: Learn about the Noir Debugger, in its REPL or VS Code versions. +keywords: [Nargo, VSCode, Visual Studio Code, REPL, Debugger] +sidebar_position: 2 +--- + +# Noir Debugger + +There are currently two ways of debugging Noir programs: + +1. From VS Code, via the [vscode-noir](https://github.com/noir-lang/vscode-noir) extension. You can install it via the [Visual Studio Marketplace](https://marketplace.visualstudio.com/items?itemName=noir-lang.vscode-noir). +2. Via the REPL debugger, which ships with Nargo. + +In order to use either version of the debugger, you will need to install recent enough versions of Noir, [Nargo](../getting_started/noir_installation.md) and vscode-noir: + +- Noir & Nargo ≥0.28.0 +- Noir's VS Code extension ≥0.0.11 + +:::info +At the moment, the debugger supports debugging binary projects, but not contracts. +::: + +We cover the VS Code Noir debugger more in depth in [its VS Code debugger how-to guide](../how_to/debugger/debugging_with_vs_code.md) and [the reference](../reference/debugger/debugger_vscode.md). + +The REPL debugger is discussed at length in [the REPL debugger how-to guide](../how_to/debugger/debugging_with_the_repl.md) and [the reference](../reference/debugger/debugger_repl.md). diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/tooling/language_server.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/tooling/language_server.md new file mode 100644 index 00000000000..81e0356ef8a --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/tooling/language_server.md @@ -0,0 +1,43 @@ +--- +title: Language Server +description: Learn about the Noir Language Server, how to install the components, and configuration that may be required. +keywords: [Nargo, Language Server, LSP, VSCode, Visual Studio Code] +sidebar_position: 0 +--- + +This section helps you install and configure the Noir Language Server. + +The Language Server Protocol (LSP) has two components, the [Server](#language-server) and the [Client](#language-client). Below we describe each in the context of Noir. + +## Language Server + +The Server component is provided by the Nargo command line tool that you installed at the beginning of this guide. +As long as Nargo is installed and you've used it to run other commands in this guide, it should be good to go! + +If you'd like to verify that the `nargo lsp` command is available, you can run `nargo --help` and look for `lsp` in the list of commands. If you see it, you're using a version of Noir with LSP support. + +## Language Client + +The Client component is usually an editor plugin that launches the Server. It communicates LSP messages between the editor and the Server. For example, when you save a file, the Client will alert the Server, so it can try to compile the project and report any errors. + +Currently, Noir provides a Language Client for Visual Studio Code via the [vscode-noir](https://github.com/noir-lang/vscode-noir) extension. You can install it via the [Visual Studio Marketplace](https://marketplace.visualstudio.com/items?itemName=noir-lang.vscode-noir). + +> **Note:** Noir's Language Server Protocol support currently assumes users' VSCode workspace root to be the same as users' Noir project root (i.e. where Nargo.toml lies). +> +> If LSP features seem to be missing / malfunctioning, make sure you are opening your Noir project directly (instead of as a sub-folder) in your VSCode instance. + +When your language server is running correctly and the VSCode plugin is installed, you should see handy codelens buttons for compilation, measuring circuit size, execution, and tests: + +![Compile and Execute](@site/static/img/codelens_compile_execute.png) +![Run test](@site/static/img/codelens_run_test.png) + +You should also see your tests in the `testing` panel: + +![Testing panel](@site/static/img/codelens_testing_panel.png) + +### Configuration + +- **Noir: Enable LSP** - If checked, the extension will launch the Language Server via `nargo lsp` and communicate with it. +- **Noir: Nargo Flags** - Additional flags may be specified if you require them to be added when the extension calls `nargo lsp`. +- **Noir: Nargo Path** - An absolute path to a Nargo binary with the `lsp` command. This may be useful if Nargo is not within the `PATH` of your editor. +- **Noir > Trace: Server** - Setting this to `"messages"` or `"verbose"` will log LSP messages between the Client and Server. Useful for debugging. diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/tooling/testing.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/tooling/testing.md new file mode 100644 index 00000000000..866677da567 --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/tooling/testing.md @@ -0,0 +1,79 @@ +--- +title: Testing in Noir +description: Learn how to use Nargo to test your Noir program in a quick and easy way +keywords: [Nargo, testing, Noir, compile, test] +sidebar_position: 1 +--- + +You can test your Noir programs using Noir circuits. + +Nargo will automatically compile and run any functions which have the decorator `#[test]` on them if +you run `nargo test`. + +For example if you have a program like: + +```rust +fn add(x: u64, y: u64) -> u64 { + x + y +} +#[test] +fn test_add() { + assert(add(2,2) == 4); + assert(add(0,1) == 1); + assert(add(1,0) == 1); +} +``` + +Running `nargo test` will test that the `test_add` function can be executed while satisfying all +the constraints which allows you to test that add returns the expected values. Test functions can't +have any arguments currently. + +### Test fail + +You can write tests that are expected to fail by using the decorator `#[test(should_fail)]`. For example: + +```rust +fn add(x: u64, y: u64) -> u64 { + x + y +} +#[test(should_fail)] +fn test_add() { + assert(add(2,2) == 5); +} +``` + +You can be more specific and make it fail with a specific reason by using `should_fail_with = ""`: + +```rust +fn main(african_swallow_avg_speed : Field) { + assert(african_swallow_avg_speed == 65, "What is the airspeed velocity of an unladen swallow"); +} + +#[test] +fn test_king_arthur() { + main(65); +} + +#[test(should_fail_with = "What is the airspeed velocity of an unladen swallow")] +fn test_bridgekeeper() { + main(32); +} +``` + +The string given to `should_fail_with` doesn't need to exactly match the failure reason, it just needs to be a substring of it: + +```rust +fn main(african_swallow_avg_speed : Field) { + assert(african_swallow_avg_speed == 65, "What is the airspeed velocity of an unladen swallow"); +} + +#[test] +fn test_king_arthur() { + main(65); +} + +#[test(should_fail_with = "airspeed velocity")] +fn test_bridgekeeper() { + main(32); +} +``` \ No newline at end of file diff --git a/noir/noir-repo/docs/versioned_docs/version-v0.38.0/tutorials/noirjs_app.md b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/tutorials/noirjs_app.md new file mode 100644 index 00000000000..6e69ea0bbed --- /dev/null +++ b/noir/noir-repo/docs/versioned_docs/version-v0.38.0/tutorials/noirjs_app.md @@ -0,0 +1,366 @@ +--- +title: Building a web app with NoirJS +description: Learn how to setup a new app that uses Noir to generate and verify zero-knowledge SNARK proofs in a typescript or javascript environment. +keywords: [how to, guide, javascript, typescript, noir, barretenberg, zero-knowledge, proofs, app] +sidebar_position: 0 +pagination_next: noir/concepts/data_types/index +--- + +NoirJS is a set of packages meant to work both in a browser and a server environment. In this tutorial, we will build a simple web app using them. From here, you should get an idea on how to proceed with your own Noir projects! + +You can find the complete app code for this guide [here](https://github.com/noir-lang/tiny-noirjs-app). + +## Setup + +:::note + +Feel free to use whatever versions, just keep in mind that Nargo and the NoirJS packages are meant to be in sync. For example, Nargo 0.31.x matches `noir_js@0.31.x`, etc. + +In this guide, we will be pinned to 0.31.0. + +::: + +Before we start, we want to make sure we have Node, Nargo and the Barretenberg proving system (`bb`) installed. + +We start by opening a terminal and executing `node --version`. If we don't get an output like `v20.10.0`, that means node is not installed. Let's do that by following the handy [nvm guide](https://github.com/nvm-sh/nvm?tab=readme-ov-file#install--update-script). + +As for `Nargo`, we can follow the [Nargo guide](../getting_started/quick_start.md) to install it. If you're lazy, just paste this on a terminal and run `noirup`: + +```sh +curl -L https://raw.githubusercontent.com/noir-lang/noirup/main/install | bash +``` + +Follow the instructions on [this page](https://github.com/AztecProtocol/aztec-packages/tree/master/barretenberg/cpp/src/barretenberg/bb#installation) to install `bb`. +Version 0.41.0 is compatible with `nargo` version 0.31.0, which you can install with `bbup -v 0.41.0` once `bbup` is installed. + +Easy enough. Onwards! + +## Our project + +ZK is a powerful technology. An app that doesn't reveal one of the inputs to _anyone_ is almost unbelievable, yet Noir makes it as easy as a single line of code. + +In fact, it's so simple that it comes nicely packaged in `nargo`. Let's do that! + +### Nargo + +Run: + +```bash +nargo new circuit +``` + +And... That's about it. Your program is ready to be compiled and run. + +To compile, let's `cd` into the `circuit` folder to enter our project, and call: + +```bash +nargo compile +``` + +This compiles our circuit into `json` format and add it to a new `target` folder. + +:::info + +At this point in the tutorial, your folder structure should look like this: + +```tree +. +└── circuit <---- our working directory + ├── Nargo.toml + ├── src + │ └── main.nr + └── target + └── circuit.json +``` + +::: + +### Node and Vite + +If you want to explore Nargo, feel free to go on a side-quest now and follow the steps in the +[getting started](../getting_started/quick_start.md) guide. However, we want our app to run on the browser, so we need Vite. + +Vite is a powerful tool to generate static websites. While it provides all kinds of features, let's just go barebones with some good old vanilla JS. + +To do this this, go back to the previous folder (`cd ..`) and create a new vite project by running `npm create vite` and choosing "Vanilla" and "Javascript". + +A wild `vite-project` directory should now appear in your root folder! Let's not waste any time and dive right in: + +```bash +cd vite-project +``` + +### Setting Up Vite and Configuring the Project + +Before we proceed with any coding, let's get our environment tailored for Noir. We'll start by laying down the foundations with a `vite.config.js` file. This little piece of configuration is our secret sauce for making sure everything meshes well with the NoirJS libraries and other special setups we might need, like handling WebAssembly modules. Here’s how you get that going: + +#### Creating the vite.config.js + +In your freshly minted `vite-project` folder, create a new file named `vite.config.js` and open it in your code editor. Paste the following to set the stage: + +```javascript +import { defineConfig } from 'vite'; +import copy from 'rollup-plugin-copy'; +import fs from 'fs'; +import path from 'path'; + +const wasmContentTypePlugin = { + name: 'wasm-content-type-plugin', + configureServer(server) { + server.middlewares.use(async (req, res, next) => { + if (req.url.endsWith('.wasm')) { + res.setHeader('Content-Type', 'application/wasm'); + const newPath = req.url.replace('deps', 'dist'); + const targetPath = path.join(__dirname, newPath); + const wasmContent = fs.readFileSync(targetPath); + return res.end(wasmContent); + } + next(); + }); + }, +}; + +export default defineConfig(({ command }) => { + if (command === 'serve') { + return { + build: { + target: 'esnext', + rollupOptions: { + external: ['@aztec/bb.js'] + } + }, + optimizeDeps: { + esbuildOptions: { + target: 'esnext' + } + }, + plugins: [ + copy({ + targets: [{ src: 'node_modules/**/*.wasm', dest: 'node_modules/.vite/dist' }], + copySync: true, + hook: 'buildStart', + }), + command === 'serve' ? wasmContentTypePlugin : [], + ], + }; + } + + return {}; +}); +``` + +#### Install Dependencies + +Now that our stage is set, install the necessary NoirJS packages along with our other dependencies: + +```bash +npm install && npm install @noir-lang/backend_barretenberg@0.31.0 @noir-lang/noir_js@0.31.0 +npm install rollup-plugin-copy --save-dev +``` + +:::info + +At this point in the tutorial, your folder structure should look like this: + +```tree +. +└── circuit + └── ...etc... +└── vite-project <---- our working directory + └── ...etc... +``` + +::: + +#### Some cleanup + +`npx create vite` is amazing but it creates a bunch of files we don't really need for our simple example. Actually, let's just delete everything except for `vite.config.js`, `index.html`, `main.js` and `package.json`. I feel lighter already. + +![my heart is ready for you, noir.js](@site/static/img/memes/titanic.jpeg) + +## HTML + +Our app won't run like this, of course. We need some working HTML, at least. Let's open our broken-hearted `index.html` and replace everything with this code snippet: + +```html + + + + + + +

Noir app

+
+ + +
+
+

Logs

+

Proof

+
+ + +``` + +It _could_ be a beautiful UI... Depending on which universe you live in. + +## Some good old vanilla Javascript + +Our love for Noir needs undivided attention, so let's just open `main.js` and delete everything (this is where the romantic scenery becomes a bit creepy). + +Start by pasting in this boilerplate code: + +```js +function display(container, msg) { + const c = document.getElementById(container); + const p = document.createElement('p'); + p.textContent = msg; + c.appendChild(p); +} + +document.getElementById('submitGuess').addEventListener('click', async () => { + try { + // here's where love happens + } catch (err) { + display('logs', 'Oh 💔 Wrong guess'); + } +}); +``` + +The display function doesn't do much. We're simply manipulating our website to see stuff happening. For example, if the proof fails, it will simply log a broken heart 😢 + +:::info + +At this point in the tutorial, your folder structure should look like this: + +```tree +. +└── circuit + └── ...same as above +└── vite-project + ├── vite.config.js + ├── main.js + ├── package.json + └── index.html +``` + +You'll see other files and folders showing up (like `package-lock.json`, `node_modules`) but you shouldn't have to care about those. + +::: + +## Some NoirJS + +We're starting with the good stuff now. If you've compiled the circuit as described above, you should have a `json` file we want to import at the very top of our `main.js` file: + +```ts +import circuit from '../circuit/target/circuit.json'; +``` + +[Noir is backend-agnostic](../index.mdx#whats-new-about-noir). We write Noir, but we also need a proving backend. That's why we need to import and instantiate the two dependencies we installed above: `BarretenbergBackend` and `Noir`. Let's import them right below: + +```js +import { BarretenbergBackend, BarretenbergVerifier as Verifier } from '@noir-lang/backend_barretenberg'; +import { Noir } from '@noir-lang/noir_js'; +``` + +And instantiate them inside our try-catch block: + +```ts +// try { +const backend = new BarretenbergBackend(circuit); +const noir = new Noir(circuit); +// } +``` + +:::note + +For the remainder of the tutorial, everything will be happening inside the `try` block + +::: + +## Our app + +Now for the app itself. We're capturing whatever is in the input when people press the submit button. Just add this: + +```js +const x = parseInt(document.getElementById('guessInput').value); +const input = { x, y: 2 }; +``` + +Now we're ready to prove stuff! Let's feed some inputs to our circuit and calculate the proof: + +```js +await setup(); // let's squeeze our wasm inits here + +display('logs', 'Generating proof... ⌛'); +const { witness } = await noir.execute(input); +const proof = await backend.generateProof(witness); +display('logs', 'Generating proof... ✅'); +display('results', proof.proof); +``` + +You're probably eager to see stuff happening, so go and run your app now! + +From your terminal, run `npm run dev`. If it doesn't open a browser for you, just visit `localhost:5173`. You should now see the worst UI ever, with an ugly input. + +![Getting Started 0](@site/static/img/noir_getting_started_1.png) + +Now, our circuit says `fn main(x: Field, y: pub Field)`. This means only the `y` value is public, and it's hardcoded above: `input = { x, y: 2 }`. In other words, you won't need to send your secret`x` to the verifier! + +By inputting any number other than 2 in the input box and clicking "submit", you should get a valid proof. Otherwise the proof won't even generate correctly. By the way, if you're human, you shouldn't be able to understand anything on the "proof" box. That's OK. We like you, human ❤️. + +## Verifying + +Time to celebrate, yes! But we shouldn't trust machines so blindly. Let's add these lines to see our proof being verified: + +```js +display('logs', 'Verifying proof... ⌛'); +const isValid = await backend.verifyProof(proof); + +// or to cache and use the verification key: +// const verificationKey = await backend.getVerificationKey(); +// const verifier = new Verifier(); +// const isValid = await verifier.verifyProof(proof, verificationKey); + +if (isValid) display('logs', 'Verifying proof... ✅'); +``` + +You have successfully generated a client-side Noir web app! + +![coded app without math knowledge](@site/static/img/memes/flextape.jpeg) + +## Further Reading + +You can see how noirjs is used in a full stack Next.js hardhat application in the [noir-starter repo here](https://github.com/noir-lang/noir-starter/tree/main/vite-hardhat). The example shows how to calculate a proof in the browser and verify it with a deployed Solidity verifier contract from noirjs. + +You should also check out the more advanced examples in the [noir-examples repo](https://github.com/noir-lang/noir-examples), where you'll find reference usage for some cool apps. + +## UltraHonk Backend + +Barretenberg has recently exposed a new UltraHonk backend. We can use UltraHonk in NoirJS after version 0.33.0. Everything will be the same as the tutorial above, except that the class we need to import will change: + +```js +import { UltraHonkBackend, UltraHonkVerifier as Verifier } from '@noir-lang/backend_barretenberg'; +``` + +The backend will then be instantiated as such: + +```js +const backend = new UltraHonkBackend(circuit); +``` + +Then all the commands to prove and verify your circuit will be same. + +The only feature currently unsupported with UltraHonk are [recursive proofs](../explainers/explainer-recursion.md). diff --git a/noir/noir-repo/docs/versioned_sidebars/version-v0.37.0-sidebars.json b/noir/noir-repo/docs/versioned_sidebars/version-v0.37.0-sidebars.json new file mode 100644 index 00000000000..b9ad026f69f --- /dev/null +++ b/noir/noir-repo/docs/versioned_sidebars/version-v0.37.0-sidebars.json @@ -0,0 +1,93 @@ +{ + "sidebar": [ + { + "type": "doc", + "id": "index" + }, + { + "type": "category", + "label": "Getting Started", + "items": [ + { + "type": "autogenerated", + "dirName": "getting_started" + } + ] + }, + { + "type": "category", + "label": "The Noir Language", + "items": [ + { + "type": "autogenerated", + "dirName": "noir" + } + ] + }, + { + "type": "html", + "value": "
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", + "defaultStyle": true + }, + { + "type": "doc", + "id": "migration_notes", + "label": "Migration notes" + } + ] +} diff --git a/noir/noir-repo/docs/versioned_sidebars/version-v0.38.0-sidebars.json b/noir/noir-repo/docs/versioned_sidebars/version-v0.38.0-sidebars.json new file mode 100644 index 00000000000..b9ad026f69f --- /dev/null +++ b/noir/noir-repo/docs/versioned_sidebars/version-v0.38.0-sidebars.json @@ -0,0 +1,93 @@ +{ + "sidebar": [ + { + "type": "doc", + "id": "index" + }, + { + "type": "category", + "label": "Getting Started", + "items": [ + { + "type": "autogenerated", + "dirName": "getting_started" + } + ] + }, + { + "type": "category", + "label": "The Noir Language", + "items": [ + { + "type": "autogenerated", + "dirName": "noir" + } + ] + }, + { + "type": "html", + "value": "
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", + "defaultStyle": true + }, + { + "type": "doc", + "id": "migration_notes", + "label": "Migration notes" + } + ] +} diff --git a/noir/noir-repo/examples/codegen_verifier/codegen_verifier.sh b/noir/noir-repo/examples/codegen_verifier/codegen_verifier.sh index fabd6235a67..f224f74168f 100755 --- a/noir/noir-repo/examples/codegen_verifier/codegen_verifier.sh +++ b/noir/noir-repo/examples/codegen_verifier/codegen_verifier.sh @@ -16,11 +16,17 @@ nargo execute witness PROOF_PATH=./target/proof $BACKEND prove -b ./target/hello_world.json -w ./target/witness.gz -o $PROOF_PATH -NUM_PUBLIC_INPUTS=1 +# Sanity check that proof is valid. +$BACKEND verify -k ./target/vk -p ./target/proof + +NUM_PUBLIC_INPUTS=2 PUBLIC_INPUT_BYTES=$((32 * $NUM_PUBLIC_INPUTS)) HEX_PUBLIC_INPUTS=$(head -c $PUBLIC_INPUT_BYTES $PROOF_PATH | od -An -v -t x1 | tr -d $' \n') HEX_PROOF=$(tail -c +$(($PUBLIC_INPUT_BYTES + 1)) $PROOF_PATH | od -An -v -t x1 | tr -d $' \n') +# Split public inputs into strings where each string represents a `bytes32`. +SPLIT_HEX_PUBLIC_INPUTS=$(sed -e 's/.\{64\}/0x&,/g' <<< $HEX_PUBLIC_INPUTS) + # Spin up an anvil node to deploy the contract to anvil & @@ -31,8 +37,7 @@ DEPLOY_INFO=$(forge create UltraVerifier \ VERIFIER_ADDRESS=$(echo $DEPLOY_INFO | jq -r '.deployedTo') # Call the verifier contract with our proof. -# Note that we haven't needed to split up `HEX_PUBLIC_INPUTS` as there's only a single public input -cast call $VERIFIER_ADDRESS "verify(bytes, bytes32[])(bool)" "0x$HEX_PROOF" "[0x$HEX_PUBLIC_INPUTS]" +cast call $VERIFIER_ADDRESS "verify(bytes, bytes32[])(bool)" "0x$HEX_PROOF" "[$SPLIT_HEX_PUBLIC_INPUTS]" # Stop anvil node again -kill %- \ No newline at end of file +kill %- diff --git a/noir/noir-repo/examples/codegen_verifier/src/main.nr b/noir/noir-repo/examples/codegen_verifier/src/main.nr index baef0c3786a..93531797744 100644 --- a/noir/noir-repo/examples/codegen_verifier/src/main.nr +++ b/noir/noir-repo/examples/codegen_verifier/src/main.nr @@ -1,3 +1,3 @@ -fn main(x: Field, y: pub Field) { +fn main(x: pub Field, y: pub Field) { assert(x != y); -} \ No newline at end of file +} diff --git a/noir/noir-repo/noir_stdlib/src/ec/tecurve.nr b/noir/noir-repo/noir_stdlib/src/ec/tecurve.nr index 8512413c831..45a6b322ed1 100644 --- a/noir/noir-repo/noir_stdlib/src/ec/tecurve.nr +++ b/noir/noir-repo/noir_stdlib/src/ec/tecurve.nr @@ -27,7 +27,7 @@ pub mod affine { impl Point { // Point constructor - #[deprecated = "It's recommmended to use the external noir-edwards library (https://github.com/noir-lang/noir-edwards)"] + // #[deprecated("It's recommmended to use the external noir-edwards library (https://github.com/noir-lang/noir-edwards)")] pub fn new(x: Field, y: Field) -> Self { Self { x, y } } diff --git a/noir/noir-repo/noir_stdlib/src/field/mod.nr b/noir/noir-repo/noir_stdlib/src/field/mod.nr index 4b89cae4f30..a5c1ff7bb62 100644 --- a/noir/noir-repo/noir_stdlib/src/field/mod.nr +++ b/noir/noir-repo/noir_stdlib/src/field/mod.nr @@ -285,9 +285,9 @@ mod tests { // docs:start:to_be_bytes_example fn test_to_be_bytes() { let field = 2; - let bits: [u8; 8] = field.to_be_bytes(); - assert_eq(bits, [0, 0, 0, 0, 0, 0, 0, 2]); - assert_eq(Field::from_be_bytes::<8>(bits), field); + let bytes: [u8; 8] = field.to_be_bytes(); + assert_eq(bytes, [0, 0, 0, 0, 0, 0, 0, 2]); + assert_eq(Field::from_be_bytes::<8>(bytes), field); } // docs:end:to_be_bytes_example @@ -295,9 +295,9 @@ mod tests { // docs:start:to_le_bytes_example fn test_to_le_bytes() { let field = 2; - let bits: [u8; 8] = field.to_le_bytes(); - assert_eq(bits, [2, 0, 0, 0, 0, 0, 0, 0]); - assert_eq(Field::from_le_bytes::<8>(bits), field); + let bytes: [u8; 8] = field.to_le_bytes(); + assert_eq(bytes, [2, 0, 0, 0, 0, 0, 0, 0]); + assert_eq(Field::from_le_bytes::<8>(bytes), field); } // docs:end:to_le_bytes_example @@ -305,9 +305,9 @@ mod tests { // docs:start:to_be_radix_example fn test_to_be_radix() { let field = 2; - let bits: [u8; 8] = field.to_be_radix(256); - assert_eq(bits, [0, 0, 0, 0, 0, 0, 0, 2]); - assert_eq(Field::from_be_bytes::<8>(bits), field); + let bytes: [u8; 8] = field.to_be_radix(256); + assert_eq(bytes, [0, 0, 0, 0, 0, 0, 0, 2]); + assert_eq(Field::from_be_bytes::<8>(bytes), field); } // docs:end:to_be_radix_example @@ -315,9 +315,9 @@ mod tests { // docs:start:to_le_radix_example fn test_to_le_radix() { let field = 2; - let bits: [u8; 8] = field.to_le_radix(256); - assert_eq(bits, [2, 0, 0, 0, 0, 0, 0, 0]); - assert_eq(Field::from_le_bytes::<8>(bits), field); + let bytes: [u8; 8] = field.to_le_radix(256); + assert_eq(bytes, [2, 0, 0, 0, 0, 0, 0, 0]); + assert_eq(Field::from_le_bytes::<8>(bytes), field); } // docs:end:to_le_radix_example diff --git a/noir/noir-repo/noir_stdlib/src/hash/mimc.nr b/noir/noir-repo/noir_stdlib/src/hash/mimc.nr deleted file mode 100644 index 55c06964122..00000000000 --- a/noir/noir-repo/noir_stdlib/src/hash/mimc.nr +++ /dev/null @@ -1,158 +0,0 @@ -use crate::default::Default; -use crate::hash::Hasher; - -// mimc-p/p implementation -// constants are (publicly generated) random numbers, for instance using keccak as a ROM. -// You must use constants generated for the native field -// Rounds number should be ~ log(p)/log(exp) -// For 254 bit primes, exponent 7 and 91 rounds seems to be recommended -// -// Uncommenting this results in deprecated warnings in the stdlib -// #[deprecated] -fn mimc(x: Field, k: Field, constants: [Field; N], exp: Field) -> Field { - //round 0 - let mut t = x + k; - let mut h = t.pow_32(exp); - //next rounds - for i in 1..constants.len() { - t = h + k + constants[i]; - h = t.pow_32(exp); - } - h + k -} - -global MIMC_BN254_ROUNDS: u32 = 91; -//generated from seed "mimc" using keccak256 -global MIMC_BN254_CONSTANTS: [Field; MIMC_BN254_ROUNDS] = [ - 0, - 20888961410941983456478427210666206549300505294776164667214940546594746570981, - 15265126113435022738560151911929040668591755459209400716467504685752745317193, - 8334177627492981984476504167502758309043212251641796197711684499645635709656, - 1374324219480165500871639364801692115397519265181803854177629327624133579404, - 11442588683664344394633565859260176446561886575962616332903193988751292992472, - 2558901189096558760448896669327086721003508630712968559048179091037845349145, - 11189978595292752354820141775598510151189959177917284797737745690127318076389, - 3262966573163560839685415914157855077211340576201936620532175028036746741754, - 17029914891543225301403832095880481731551830725367286980611178737703889171730, - 4614037031668406927330683909387957156531244689520944789503628527855167665518, - 19647356996769918391113967168615123299113119185942498194367262335168397100658, - 5040699236106090655289931820723926657076483236860546282406111821875672148900, - 2632385916954580941368956176626336146806721642583847728103570779270161510514, - 17691411851977575435597871505860208507285462834710151833948561098560743654671, - 11482807709115676646560379017491661435505951727793345550942389701970904563183, - 8360838254132998143349158726141014535383109403565779450210746881879715734773, - 12663821244032248511491386323242575231591777785787269938928497649288048289525, - 3067001377342968891237590775929219083706800062321980129409398033259904188058, - 8536471869378957766675292398190944925664113548202769136103887479787957959589, - 19825444354178182240559170937204690272111734703605805530888940813160705385792, - 16703465144013840124940690347975638755097486902749048533167980887413919317592, - 13061236261277650370863439564453267964462486225679643020432589226741411380501, - 10864774797625152707517901967943775867717907803542223029967000416969007792571, - 10035653564014594269791753415727486340557376923045841607746250017541686319774, - 3446968588058668564420958894889124905706353937375068998436129414772610003289, - 4653317306466493184743870159523234588955994456998076243468148492375236846006, - 8486711143589723036499933521576871883500223198263343024003617825616410932026, - 250710584458582618659378487568129931785810765264752039738223488321597070280, - 2104159799604932521291371026105311735948154964200596636974609406977292675173, - 16313562605837709339799839901240652934758303521543693857533755376563489378839, - 6032365105133504724925793806318578936233045029919447519826248813478479197288, - 14025118133847866722315446277964222215118620050302054655768867040006542798474, - 7400123822125662712777833064081316757896757785777291653271747396958201309118, - 1744432620323851751204287974553233986555641872755053103823939564833813704825, - 8316378125659383262515151597439205374263247719876250938893842106722210729522, - 6739722627047123650704294650168547689199576889424317598327664349670094847386, - 21211457866117465531949733809706514799713333930924902519246949506964470524162, - 13718112532745211817410303291774369209520657938741992779396229864894885156527, - 5264534817993325015357427094323255342713527811596856940387954546330728068658, - 18884137497114307927425084003812022333609937761793387700010402412840002189451, - 5148596049900083984813839872929010525572543381981952060869301611018636120248, - 19799686398774806587970184652860783461860993790013219899147141137827718662674, - 19240878651604412704364448729659032944342952609050243268894572835672205984837, - 10546185249390392695582524554167530669949955276893453512788278945742408153192, - 5507959600969845538113649209272736011390582494851145043668969080335346810411, - 18177751737739153338153217698774510185696788019377850245260475034576050820091, - 19603444733183990109492724100282114612026332366576932662794133334264283907557, - 10548274686824425401349248282213580046351514091431715597441736281987273193140, - 1823201861560942974198127384034483127920205835821334101215923769688644479957, - 11867589662193422187545516240823411225342068709600734253659804646934346124945, - 18718569356736340558616379408444812528964066420519677106145092918482774343613, - 10530777752259630125564678480897857853807637120039176813174150229243735996839, - 20486583726592018813337145844457018474256372770211860618687961310422228379031, - 12690713110714036569415168795200156516217175005650145422920562694422306200486, - 17386427286863519095301372413760745749282643730629659997153085139065756667205, - 2216432659854733047132347621569505613620980842043977268828076165669557467682, - 6309765381643925252238633914530877025934201680691496500372265330505506717193, - 20806323192073945401862788605803131761175139076694468214027227878952047793390, - 4037040458505567977365391535756875199663510397600316887746139396052445718861, - 19948974083684238245321361840704327952464170097132407924861169241740046562673, - 845322671528508199439318170916419179535949348988022948153107378280175750024, - 16222384601744433420585982239113457177459602187868460608565289920306145389382, - 10232118865851112229330353999139005145127746617219324244541194256766741433339, - 6699067738555349409504843460654299019000594109597429103342076743347235369120, - 6220784880752427143725783746407285094967584864656399181815603544365010379208, - 6129250029437675212264306655559561251995722990149771051304736001195288083309, - 10773245783118750721454994239248013870822765715268323522295722350908043393604, - 4490242021765793917495398271905043433053432245571325177153467194570741607167, - 19596995117319480189066041930051006586888908165330319666010398892494684778526, - 837850695495734270707668553360118467905109360511302468085569220634750561083, - 11803922811376367215191737026157445294481406304781326649717082177394185903907, - 10201298324909697255105265958780781450978049256931478989759448189112393506592, - 13564695482314888817576351063608519127702411536552857463682060761575100923924, - 9262808208636973454201420823766139682381973240743541030659775288508921362724, - 173271062536305557219323722062711383294158572562695717740068656098441040230, - 18120430890549410286417591505529104700901943324772175772035648111937818237369, - 20484495168135072493552514219686101965206843697794133766912991150184337935627, - 19155651295705203459475805213866664350848604323501251939850063308319753686505, - 11971299749478202793661982361798418342615500543489781306376058267926437157297, - 18285310723116790056148596536349375622245669010373674803854111592441823052978, - 7069216248902547653615508023941692395371990416048967468982099270925308100727, - 6465151453746412132599596984628739550147379072443683076388208843341824127379, - 16143532858389170960690347742477978826830511669766530042104134302796355145785, - 19362583304414853660976404410208489566967618125972377176980367224623492419647, - 1702213613534733786921602839210290505213503664731919006932367875629005980493, - 10781825404476535814285389902565833897646945212027592373510689209734812292327, - 4212716923652881254737947578600828255798948993302968210248673545442808456151, - 7594017890037021425366623750593200398174488805473151513558919864633711506220, - 18979889247746272055963929241596362599320706910852082477600815822482192194401, - 13602139229813231349386885113156901793661719180900395818909719758150455500533, -]; - -//mimc implementation with hardcoded parameters for BN254 curve. -#[field(bn254)] -#[deprecated] -pub fn mimc_bn254(array: [Field; N]) -> Field { - let exponent = 7; - let mut r = 0; - for elem in array { - let h = mimc(elem, r, MIMC_BN254_CONSTANTS, exponent); - r = r + elem + h; - } - r -} - -pub struct MimcHasher { - _state: [Field], -} - -impl Hasher for MimcHasher { - #[field(bn254)] - fn finish(self) -> Field { - let exponent = 7; - let mut r = 0; - for i in 0..self._state.len() { - let h = mimc(self._state[i], r, MIMC_BN254_CONSTANTS, exponent); - r = r + self._state[i] + h; - } - r - } - - fn write(&mut self, input: Field) { - self._state = self._state.push_back(input); - } -} - -impl Default for MimcHasher { - fn default() -> Self { - MimcHasher { _state: &[] } - } -} diff --git a/noir/noir-repo/noir_stdlib/src/hash/mod.nr b/noir/noir-repo/noir_stdlib/src/hash/mod.nr index c5e6da9d76f..5f7017b60b7 100644 --- a/noir/noir-repo/noir_stdlib/src/hash/mod.nr +++ b/noir/noir-repo/noir_stdlib/src/hash/mod.nr @@ -1,5 +1,4 @@ pub mod poseidon; -pub mod mimc; pub mod poseidon2; pub mod keccak; pub mod sha256; diff --git a/noir/noir-repo/noir_stdlib/src/hash/poseidon/mod.nr b/noir/noir-repo/noir_stdlib/src/hash/poseidon/mod.nr index 6f0e461a610..e2e47959024 100644 --- a/noir/noir-repo/noir_stdlib/src/hash/poseidon/mod.nr +++ b/noir/noir-repo/noir_stdlib/src/hash/poseidon/mod.nr @@ -346,6 +346,7 @@ impl Hasher for PoseidonHasher { result } + #[inline_always] fn write(&mut self, input: Field) { self._state = self._state.push_back(input); } diff --git a/noir/noir-repo/scripts/install_bb.sh b/noir/noir-repo/scripts/install_bb.sh index 64baf78c182..cff81eedbac 100755 --- a/noir/noir-repo/scripts/install_bb.sh +++ b/noir/noir-repo/scripts/install_bb.sh @@ -1,6 +1,6 @@ #!/bin/bash -VERSION="0.60.0" +VERSION="0.61.0" BBUP_PATH=~/.bb/bbup diff --git a/noir/noir-repo/test_programs/compile_failure/cannot_deduce_numeric_generic/Nargo.toml b/noir/noir-repo/test_programs/compile_failure/cannot_deduce_numeric_generic/Nargo.toml new file mode 100644 index 00000000000..e87c464f6c7 --- /dev/null +++ b/noir/noir-repo/test_programs/compile_failure/cannot_deduce_numeric_generic/Nargo.toml @@ -0,0 +1,7 @@ +[package] +name = "cannot_deduce_numeric_generic" +type = "bin" +authors = [""] +compiler_version = ">=0.33.0" + +[dependencies] diff --git a/noir/noir-repo/test_programs/compile_failure/cannot_deduce_numeric_generic/src/main.nr b/noir/noir-repo/test_programs/compile_failure/cannot_deduce_numeric_generic/src/main.nr new file mode 100644 index 00000000000..ee889e805f7 --- /dev/null +++ b/noir/noir-repo/test_programs/compile_failure/cannot_deduce_numeric_generic/src/main.nr @@ -0,0 +1,8 @@ +fn foo() -> u32 { + N +} + +fn main() { + let _ = foo(); +} + diff --git a/noir/noir-repo/test_programs/compile_success_empty/attribute_args/src/main.nr b/noir/noir-repo/test_programs/compile_success_empty/attribute_args/src/main.nr index 492afd9e2f1..29690ba36c7 100644 --- a/noir/noir-repo/test_programs/compile_success_empty/attribute_args/src/main.nr +++ b/noir/noir-repo/test_programs/compile_success_empty/attribute_args/src/main.nr @@ -1,6 +1,6 @@ #[attr_with_args(1, 2)] -#[varargs(1, 2)] -#[varargs(1, 2, 3, 4)] +#[attr_with_varargs(1, 2)] +#[attr_with_varargs(1, 2, 3, 4)] pub struct Foo {} comptime fn attr_with_args(s: StructDefinition, a: Field, b: Field) { @@ -12,7 +12,7 @@ comptime fn attr_with_args(s: StructDefinition, a: Field, b: Field) { } #[varargs] -comptime fn varargs(s: StructDefinition, t: [Field]) { +comptime fn attr_with_varargs(s: StructDefinition, t: [Field]) { let _ = s; for _ in t {} assert(t.len() < 5); diff --git a/noir/noir-repo/test_programs/compile_success_empty/type_path/src/main.nr b/noir/noir-repo/test_programs/compile_success_empty/type_path/src/main.nr index 92f04104868..ca9a9008f6c 100644 --- a/noir/noir-repo/test_programs/compile_success_empty/type_path/src/main.nr +++ b/noir/noir-repo/test_programs/compile_success_empty/type_path/src/main.nr @@ -5,6 +5,11 @@ fn main() { $foo::static() } } + + // Make sure this call works fine: in the past we used to not distinguish + // whether a TypePath had generics or not, always resolved them, filling them + // up with Type::Error, and eventually leading to an ICE. + let _ = Field::from_be_bytes([1]); } pub struct Foo {} diff --git a/noir/noir-repo/test_programs/execution_success/6/src/main.nr b/noir/noir-repo/test_programs/execution_success/6/src/main.nr index 8ddbbd546d2..5b71174614f 100644 --- a/noir/noir-repo/test_programs/execution_success/6/src/main.nr +++ b/noir/noir-repo/test_programs/execution_success/6/src/main.nr @@ -3,15 +3,9 @@ // bytes. // // If you do not cast, it will take all the bytes from the field element! -// Mimc input is an array of field elements -// The function is called mimc_bn254 to emphasize its parameters are chosen for bn254 curve, it should be used only with a proving system using the same curve (e.g Plonk from Aztec) fn main(x: [u8; 5], result: pub [u8; 32]) { let mut digest = std::hash::sha256(x); digest[0] = 5 as u8; digest = std::hash::sha256(x); assert(digest == result); - - let y = [12, 45, 78, 41]; - let h = std::hash::mimc::mimc_bn254(y); - assert(h == 18226366069841799622585958305961373004333097209608110160936134895615261821931); } diff --git a/noir/noir-repo/test_programs/execution_success/bit_shifts_comptime/src/main.nr b/noir/noir-repo/test_programs/execution_success/bit_shifts_comptime/src/main.nr index 6d9736b6abb..a11dae1c716 100644 --- a/noir/noir-repo/test_programs/execution_success/bit_shifts_comptime/src/main.nr +++ b/noir/noir-repo/test_programs/execution_success/bit_shifts_comptime/src/main.nr @@ -15,6 +15,10 @@ fn main(x: u64) { assert(x << 63 == 0); assert_eq((1 as u64) << 32, 0x0100000000); + + //regression for 6201 + let a: i16 = -769; + assert_eq(a >> 3, -97); } fn regression_2250() { diff --git a/noir/noir-repo/test_programs/execution_success/bit_shifts_runtime/Prover.toml b/noir/noir-repo/test_programs/execution_success/bit_shifts_runtime/Prover.toml index 98d8630792e..7b56d36c9d5 100644 --- a/noir/noir-repo/test_programs/execution_success/bit_shifts_runtime/Prover.toml +++ b/noir/noir-repo/test_programs/execution_success/bit_shifts_runtime/Prover.toml @@ -1,2 +1,3 @@ x = 64 -y = 1 \ No newline at end of file +y = 1 +z = "-769" diff --git a/noir/noir-repo/test_programs/execution_success/bit_shifts_runtime/src/main.nr b/noir/noir-repo/test_programs/execution_success/bit_shifts_runtime/src/main.nr index 059bbe84dac..370bb699048 100644 --- a/noir/noir-repo/test_programs/execution_success/bit_shifts_runtime/src/main.nr +++ b/noir/noir-repo/test_programs/execution_success/bit_shifts_runtime/src/main.nr @@ -1,4 +1,4 @@ -fn main(x: u64, y: u8) { +fn main(x: u64, y: u8, z: i16) { // runtime shifts on compile-time known values assert(64 << y == 128); assert(64 >> y == 32); @@ -17,4 +17,6 @@ fn main(x: u64, y: u8) { assert(a << y == -2); assert(x >> (x as u8) == 0); + + assert_eq(z >> 3, -97); } diff --git a/noir/noir-repo/test_programs/execution_success/double_verify_honk_proof/Nargo.toml b/noir/noir-repo/test_programs/execution_success/double_verify_honk_proof/Nargo.toml deleted file mode 100644 index 5f819990c72..00000000000 --- a/noir/noir-repo/test_programs/execution_success/double_verify_honk_proof/Nargo.toml +++ /dev/null @@ -1,6 +0,0 @@ -[package] -name = "double_verify_honk_proof" -type = "bin" -authors = [""] - -[dependencies] diff --git 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b/noir/noir-repo/test_programs/execution_success/double_verify_honk_proof/src/main.nr deleted file mode 100644 index aecaa931d43..00000000000 --- a/noir/noir-repo/test_programs/execution_success/double_verify_honk_proof/src/main.nr +++ /dev/null @@ -1,28 +0,0 @@ -// This circuit aggregates two Honk proof from `assert_statement_recursive`. -global SIZE_OF_PROOF_IF_LOGN_IS_28: u32 = 463; -global HONK_IDENTIFIER: u32 = 1; -fn main( - verification_key: [Field; 128], - // This is the proof without public inputs attached. - // This means: the size of this does not change with the number of public inputs. - proof: [Field; SIZE_OF_PROOF_IF_LOGN_IS_28], - public_inputs: pub [Field; 1], - key_hash: Field, - // The second proof, currently set to be identical - proof_b: [Field; SIZE_OF_PROOF_IF_LOGN_IS_28], -) { - std::verify_proof_with_type( - verification_key, - proof, - public_inputs, - key_hash, - HONK_IDENTIFIER, - ); - std::verify_proof_with_type( - verification_key, - proof_b, - public_inputs, - key_hash, - HONK_IDENTIFIER, - ); -} diff --git a/noir/noir-repo/test_programs/execution_success/double_verify_honk_proof_recursive/Nargo.toml b/noir/noir-repo/test_programs/execution_success/double_verify_honk_proof_recursive/Nargo.toml deleted file mode 100644 index 618ba8a87b7..00000000000 --- a/noir/noir-repo/test_programs/execution_success/double_verify_honk_proof_recursive/Nargo.toml +++ /dev/null @@ -1,6 +0,0 @@ -[package] -name = "double_verify_honk_proof_recursive" -type = "bin" -authors = [""] - -[dependencies] diff --git a/noir/noir-repo/test_programs/execution_success/double_verify_honk_proof_recursive/Prover.toml b/noir/noir-repo/test_programs/execution_success/double_verify_honk_proof_recursive/Prover.toml deleted file mode 100644 index f8e7ba41a18..00000000000 --- a/noir/noir-repo/test_programs/execution_success/double_verify_honk_proof_recursive/Prover.toml +++ /dev/null @@ -1,5 +0,0 @@ -key_hash = 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SIZE_OF_PROOF_IF_LOGN_IS_28: u32 = 463; -global HONK_IDENTIFIER: u32 = 1; -#[recursive] -fn main( - verification_key: [Field; 128], - // This is the proof without public inputs attached. - // This means: the size of this does not change with the number of public inputs. - proof: [Field; SIZE_OF_PROOF_IF_LOGN_IS_28], - public_inputs: pub [Field; 1], - key_hash: Field, - // The second proof, currently set to be identical to the first proof - proof_b: [Field; SIZE_OF_PROOF_IF_LOGN_IS_28], -) { - std::verify_proof_with_type( - verification_key, - proof, - public_inputs, - key_hash, - HONK_IDENTIFIER, - ); - std::verify_proof_with_type( - verification_key, - proof_b, - public_inputs, - key_hash, - HONK_IDENTIFIER, - ); -} diff --git a/noir/noir-repo/test_programs/execution_success/eddsa/src/main.nr b/noir/noir-repo/test_programs/execution_success/eddsa/src/main.nr index 48e1e4af9fb..d4c3664f0c9 100644 --- a/noir/noir-repo/test_programs/execution_success/eddsa/src/main.nr +++ b/noir/noir-repo/test_programs/execution_success/eddsa/src/main.nr @@ -2,7 +2,6 @@ use std::compat; use std::ec::consts::te::baby_jubjub; use std::ec::tecurve::affine::Point as TEPoint; use std::eddsa::{eddsa_poseidon_verify, eddsa_to_pub, eddsa_verify}; -use std::hash; use std::hash::poseidon2::Poseidon2Hasher; fn main(msg: pub Field, _priv_key_a: Field, _priv_key_b: Field) { diff --git a/noir/noir-repo/test_programs/execution_success/merkle_insert/Prover.toml b/noir/noir-repo/test_programs/execution_success/merkle_insert/Prover.toml index 0656908c063..3248d75a9b9 100644 --- a/noir/noir-repo/test_programs/execution_success/merkle_insert/Prover.toml +++ b/noir/noir-repo/test_programs/execution_success/merkle_insert/Prover.toml @@ -8,4 +8,3 @@ old_hash_path = [ new_root = "0x25e2a8ee5b85e5b546ae27832b9b53f5fae5b371e3e7f8cddda839f41669fc68" leaf = "0x23fe6c8f2426b793f0f156f57efbecbea52e951af761634a85e80cc1a9fb5003" index = "0" -mimc_input = [12, 45, 78, 41] diff --git a/noir/noir-repo/test_programs/execution_success/merkle_insert/src/main.nr b/noir/noir-repo/test_programs/execution_success/merkle_insert/src/main.nr index decb5b1401a..25a455c90b8 100644 --- a/noir/noir-repo/test_programs/execution_success/merkle_insert/src/main.nr +++ b/noir/noir-repo/test_programs/execution_success/merkle_insert/src/main.nr @@ -1,5 +1,3 @@ -use std::hash::mimc; - fn main( old_root: Field, old_leaf: Field, @@ -7,15 +5,9 @@ fn main( new_root: pub Field, leaf: Field, index: Field, - mimc_input: [Field; 4], ) { assert(old_root == std::merkle::compute_merkle_root(old_leaf, index, old_hash_path)); let calculated_root = std::merkle::compute_merkle_root(leaf, index, old_hash_path); assert(new_root == calculated_root); - - let h = mimc::mimc_bn254(mimc_input); - // Regression test for PR #891 - std::println(h); - assert(h == 18226366069841799622585958305961373004333097209608110160936134895615261821931); } diff --git a/noir/noir-repo/test_programs/execution_success/references/src/main.nr b/noir/noir-repo/test_programs/execution_success/references/src/main.nr index 4ddbf8aa1e3..65d70dc4a5f 100644 --- a/noir/noir-repo/test_programs/execution_success/references/src/main.nr +++ b/noir/noir-repo/test_programs/execution_success/references/src/main.nr @@ -1,7 +1,6 @@ fn main(mut x: Field) { add1(&mut x); assert(x == 3); - let mut s = S { y: x }; s.add2(); assert(s.y == 5); @@ -21,18 +20,16 @@ fn main(mut x: Field) { let mut c = C { foo: 0, bar: &mut C2 { array: &mut [1, 2] } }; *c.bar.array = [3, 4]; assert(*c.bar.array == [3, 4]); - regression_1887(); regression_2054(); regression_2030(); regression_2255(); - + regression_6443(); assert(x == 3); regression_2218_if_inner_if(x, 10); regression_2218_if_inner_else(20, x); regression_2218_else(x, 3); regression_2218_loop(x, 10); - regression_2560(s_ref); } @@ -106,6 +103,7 @@ fn regression_2030() { let _ = *array[0]; *array[0] = 1; } + // The `mut x: &mut ...` caught a bug handling lvalues where a double-dereference would occur internally // in one step rather than being tracked by two separate steps. This lead to assigning the 1 value to the // incorrect outer `mut` reference rather than the correct `&mut` reference. @@ -119,6 +117,18 @@ fn regression_2255_helper(mut x: &mut Field) { *x = 1; } +// Similar to `regression_2255` but without the double-dereferencing. +// The test checks that `mem2reg` does not eliminate storing to a reference passed as a parameter. +fn regression_6443() { + let x = &mut 0; + regression_6443_helper(x); + assert(*x == 1); +} + +fn regression_6443_helper(x: &mut Field) { + *x = 1; +} + fn regression_2218(x: Field, y: Field) -> Field { let q = &mut &mut 0; let q1 = *q; diff --git a/noir/noir-repo/test_programs/execution_success/regression_5252/src/main.nr b/noir/noir-repo/test_programs/execution_success/regression_5252/src/main.nr index b3d2e5b4116..6ab4157e7a5 100644 --- a/noir/noir-repo/test_programs/execution_success/regression_5252/src/main.nr +++ b/noir/noir-repo/test_programs/execution_success/regression_5252/src/main.nr @@ -1,4 +1,4 @@ -use std::hash::{mimc, poseidon, poseidon2::Poseidon2}; +use std::hash::{poseidon, poseidon2::Poseidon2}; global NUM_HASHES = 3; global HASH_LENGTH = 20; @@ -16,9 +16,7 @@ fn main( let enable = enable[i]; let to_hash = to_hash[i]; if enable { - result[i] = poseidon_hash(to_hash) - + poseidon::bn254::sponge(to_hash) - + mimc::mimc_bn254(to_hash); + result[i] = poseidon_hash(to_hash) + poseidon::bn254::sponge(to_hash); } } result diff --git a/noir/noir-repo/test_programs/execution_success/verify_honk_proof/Nargo.toml b/noir/noir-repo/test_programs/execution_success/regression_6451/Nargo.toml similarity index 65% rename from noir/noir-repo/test_programs/execution_success/verify_honk_proof/Nargo.toml rename to noir/noir-repo/test_programs/execution_success/regression_6451/Nargo.toml index 8fce1bf44b6..e109747c7f6 100644 --- a/noir/noir-repo/test_programs/execution_success/verify_honk_proof/Nargo.toml +++ b/noir/noir-repo/test_programs/execution_success/regression_6451/Nargo.toml @@ -1,6 +1,5 @@ [package] -name = "verify_honk_proof" +name = "regression_6451" type = "bin" authors = [""] - [dependencies] diff --git a/noir/noir-repo/test_programs/execution_success/regression_6451/Prover.toml b/noir/noir-repo/test_programs/execution_success/regression_6451/Prover.toml new file mode 100644 index 00000000000..74213d097ec --- /dev/null +++ b/noir/noir-repo/test_programs/execution_success/regression_6451/Prover.toml @@ -0,0 +1 @@ +x = 0 \ No newline at end of file diff --git a/noir/noir-repo/test_programs/execution_success/regression_6451/src/main.nr b/noir/noir-repo/test_programs/execution_success/regression_6451/src/main.nr new file mode 100644 index 00000000000..fbee6956dfa --- /dev/null +++ b/noir/noir-repo/test_programs/execution_success/regression_6451/src/main.nr @@ -0,0 +1,23 @@ +fn main(x: Field) { + // Regression test for #6451 + let y = unsafe { empty(x) }; + let mut value = 0; + let term1 = x * x - x * y; + std::as_witness(term1); + value += term1; + let term2 = x * x - y * x; + value += term2; + value.assert_max_bit_size::<1>(); + + // Regression test for Aztec Packages issue #6451 + let y = unsafe { empty(x + 1) }; + let z = y + x + 1; + let z1 = z + y; + assert(z + z1 != 3); + let w = y + 2 * x + 3; + assert(w + z1 != z); +} + +unconstrained fn empty(_: Field) -> Field { + 0 +} diff --git a/noir/noir-repo/test_programs/execution_success/verify_honk_proof/Prover.toml b/noir/noir-repo/test_programs/execution_success/verify_honk_proof/Prover.toml deleted file mode 100644 index 45a84c26eb8..00000000000 --- a/noir/noir-repo/test_programs/execution_success/verify_honk_proof/Prover.toml +++ /dev/null @@ -1,4 +0,0 @@ -key_hash = "0x0000000000000000000000000000000000000000000000000000000000000000" -proof = ["0x0000000000000000000000000000000000000000000000000000000000000040", "0x0000000000000000000000000000000000000000000000000000000000000011", "0x0000000000000000000000000000000000000000000000000000000000000001", 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"0x00000000000000000000000000000061d21663e93132f32921075f4c936a84df", "0x00000000000000000000000000000000001a74ca4e118fb480b9b999902989a3"] diff --git a/noir/noir-repo/test_programs/execution_success/verify_honk_proof/src/main.nr b/noir/noir-repo/test_programs/execution_success/verify_honk_proof/src/main.nr deleted file mode 100644 index 6e96b459b0b..00000000000 --- a/noir/noir-repo/test_programs/execution_success/verify_honk_proof/src/main.nr +++ /dev/null @@ -1,21 +0,0 @@ -// This circuit aggregates a single Honk proof from `assert_statement_recursive`. -global SIZE_OF_PROOF_IF_LOGN_IS_28: u32 = 463; -global HONK_IDENTIFIER: u32 = 1; -fn main( - verification_key: [Field; 128], - // This is the proof without public inputs attached. - // This means: the size of this does not change with the number of public inputs. - proof: [Field; SIZE_OF_PROOF_IF_LOGN_IS_28], - public_inputs: pub [Field; 1], - // This is currently not public. It is fine given that the vk is a part of the circuit definition. - // I believe we want to eventually make it public too though. - key_hash: Field, -) { - std::verify_proof_with_type( - verification_key, - proof, - public_inputs, - key_hash, - HONK_IDENTIFIER, - ); -} diff --git a/noir/noir-repo/test_programs/gates_report_brillig_execution.sh b/noir/noir-repo/test_programs/gates_report_brillig_execution.sh new file mode 100644 index 00000000000..024c7612541 --- /dev/null +++ b/noir/noir-repo/test_programs/gates_report_brillig_execution.sh @@ -0,0 +1,45 @@ +#!/usr/bin/env bash +set -e + +# These tests are incompatible with gas reporting +excluded_dirs=( + "workspace" + "workspace_default_member" + "double_verify_nested_proof" + "overlapping_dep_and_mod" + "comptime_println" + # Takes a very long time to execute as large loops do not get simplified. + "regression_4709" + # bit sizes for bigint operation doesn't match up. + "bigint" + # Expected to fail as test asserts on which runtime it is in. + "is_unconstrained" +) + +current_dir=$(pwd) +base_path="$current_dir/execution_success" +test_dirs=$(ls $base_path) + +# We generate a Noir workspace which contains all of the test cases +# This allows us to generate a gates report using `nargo info` for all of them at once. + +echo "[workspace]" > Nargo.toml +echo "members = [" >> Nargo.toml + +for dir in $test_dirs; do + if [[ " ${excluded_dirs[@]} " =~ " ${dir} " ]]; then + continue + fi + + if [[ ${CI-false} = "true" ]] && [[ " ${ci_excluded_dirs[@]} " =~ " ${dir} " ]]; then + continue + fi + + echo " \"execution_success/$dir\"," >> Nargo.toml +done + +echo "]" >> Nargo.toml + +nargo info --profile-execution --json > gates_report_brillig_execution.json + +rm Nargo.toml \ No newline at end of file diff --git a/noir/noir-repo/tooling/debugger/src/source_code_printer.rs b/noir/noir-repo/tooling/debugger/src/source_code_printer.rs index d1c82ad96ba..b3682c9016f 100644 --- a/noir/noir-repo/tooling/debugger/src/source_code_printer.rs +++ b/noir/noir-repo/tooling/debugger/src/source_code_printer.rs @@ -275,6 +275,7 @@ mod tests { BTreeMap::default(), BTreeMap::default(), BTreeMap::default(), + BTreeMap::default(), )]; let debug_artifact = DebugArtifact::new(debug_symbols, &fm); diff --git a/noir/noir-repo/tooling/lsp/Cargo.toml b/noir/noir-repo/tooling/lsp/Cargo.toml index c15895d801f..04c8edf7ea9 100644 --- a/noir/noir-repo/tooling/lsp/Cargo.toml +++ b/noir/noir-repo/tooling/lsp/Cargo.toml @@ -22,13 +22,11 @@ nargo_toml.workspace = true noirc_driver.workspace = true noirc_errors.workspace = true noirc_frontend.workspace = true -noirc_artifacts.workspace = true serde.workspace = true serde_json.workspace = true strum = "0.24" tower.workspace = true async-lsp = { workspace = true, features = ["omni-trait"] } -serde_with = "3.2.0" thiserror.workspace = true fm.workspace = true rayon.workspace = true diff --git a/noir/noir-repo/tooling/lsp/src/attribute_reference_finder.rs b/noir/noir-repo/tooling/lsp/src/attribute_reference_finder.rs index 22afa086303..e3f31b65b46 100644 --- a/noir/noir-repo/tooling/lsp/src/attribute_reference_finder.rs +++ b/noir/noir-repo/tooling/lsp/src/attribute_reference_finder.rs @@ -13,18 +13,17 @@ use noirc_frontend::{ graph::CrateId, hir::{ def_map::{CrateDefMap, LocalModuleId, ModuleId}, - resolution::{ - import::PathResolutionItem, - path_resolver::{PathResolver, StandardPathResolver}, - }, + resolution::import::resolve_import, }, node_interner::ReferenceId, - parser::{ParsedSubModule, Parser}, - token::CustomAttribute, + parser::ParsedSubModule, + token::MetaAttribute, usage_tracker::UsageTracker, ParsedModule, }; +use crate::modules::module_def_id_to_reference_id; + pub(crate) struct AttributeReferenceFinder<'a> { byte_index: usize, /// The module ID in scope. This might change as we traverse the AST @@ -86,41 +85,31 @@ impl<'a> Visitor for AttributeReferenceFinder<'a> { false } - fn visit_custom_attribute(&mut self, attribute: &CustomAttribute, _target: AttributeTarget) { - if !self.includes_span(attribute.contents_span) { - return; + fn visit_meta_attribute( + &mut self, + attribute: &MetaAttribute, + _target: AttributeTarget, + ) -> bool { + if !self.includes_span(attribute.span) { + return false; } - let name = match attribute.contents.split_once('(') { - Some((left, _right)) => left.to_string(), - None => attribute.contents.to_string(), - }; - let mut parser = Parser::for_str(&name); - let Some(path) = parser.parse_path_no_turbofish() else { - return; - }; - - let resolver = StandardPathResolver::new(self.module_id, None); - let mut usage_tracker = UsageTracker::default(); - let Ok(result) = resolver.resolve(self.def_maps, path, &mut usage_tracker, &mut None) - else { - return; + let path = attribute.name.clone(); + // The path here must resolve to a function and it's a simple path (can't have turbofish) + // so it can (and must) be solved as an import. + let Ok(Some((module_def_id, _, _))) = resolve_import( + path, + self.module_id, + self.def_maps, + &mut UsageTracker::default(), + None, // references tracker + ) + .map(|result| result.namespace.values) else { + return true; }; - self.reference_id = Some(path_resolution_item_to_reference_id(result.item)); - } -} + self.reference_id = Some(module_def_id_to_reference_id(module_def_id)); -fn path_resolution_item_to_reference_id(item: PathResolutionItem) -> ReferenceId { - match item { - PathResolutionItem::Module(module_id) => ReferenceId::Module(module_id), - PathResolutionItem::Struct(struct_id) => ReferenceId::Struct(struct_id), - PathResolutionItem::TypeAlias(type_alias_id) => ReferenceId::Alias(type_alias_id), - PathResolutionItem::Trait(trait_id) => ReferenceId::Trait(trait_id), - PathResolutionItem::Global(global_id) => ReferenceId::Global(global_id), - PathResolutionItem::ModuleFunction(func_id) - | PathResolutionItem::StructFunction(_, _, func_id) - | PathResolutionItem::TypeAliasFunction(_, _, func_id) - | PathResolutionItem::TraitFunction(_, _, func_id) => ReferenceId::Function(func_id), + true } } diff --git a/noir/noir-repo/tooling/lsp/src/lib.rs b/noir/noir-repo/tooling/lsp/src/lib.rs index a85b9d043b9..a152cc17c7b 100644 --- a/noir/noir-repo/tooling/lsp/src/lib.rs +++ b/noir/noir-repo/tooling/lsp/src/lib.rs @@ -42,6 +42,7 @@ use noirc_frontend::{ }, node_interner::NodeInterner, parser::ParserError, + usage_tracker::UsageTracker, ParsedModule, }; use rayon::prelude::*; @@ -54,9 +55,9 @@ use requests::{ on_code_action_request, on_code_lens_request, on_completion_request, on_document_symbol_request, on_formatting, on_goto_declaration_request, on_goto_definition_request, on_goto_type_definition_request, on_hover_request, on_initialize, - on_inlay_hint_request, on_prepare_rename_request, on_profile_run_request, - on_references_request, on_rename_request, on_shutdown, on_signature_help_request, - on_test_run_request, on_tests_request, LspInitializationOptions, + on_inlay_hint_request, on_prepare_rename_request, on_references_request, on_rename_request, + on_shutdown, on_signature_help_request, on_test_run_request, on_tests_request, + LspInitializationOptions, }; use serde_json::Value as JsonValue; use thiserror::Error; @@ -113,6 +114,7 @@ struct PackageCacheData { crate_graph: CrateGraph, node_interner: NodeInterner, def_maps: BTreeMap, + usage_tracker: UsageTracker, } impl LspState { @@ -154,7 +156,6 @@ impl NargoLspService { .request::(on_code_lens_request) .request::(on_tests_request) .request::(on_test_run_request) - .request::(on_profile_run_request) .request::(on_goto_definition_request) .request::(on_goto_declaration_request) .request::(on_goto_type_definition_request) diff --git a/noir/noir-repo/tooling/lsp/src/notifications/mod.rs b/noir/noir-repo/tooling/lsp/src/notifications/mod.rs index d228eb564e6..f6fdd082d0b 100644 --- a/noir/noir-repo/tooling/lsp/src/notifications/mod.rs +++ b/noir/noir-repo/tooling/lsp/src/notifications/mod.rs @@ -166,6 +166,7 @@ pub(crate) fn process_workspace_for_noir_document( crate_graph: context.crate_graph, node_interner: context.def_interner, def_maps: context.def_maps, + usage_tracker: context.usage_tracker, }, ); diff --git a/noir/noir-repo/tooling/lsp/src/requests/code_action.rs b/noir/noir-repo/tooling/lsp/src/requests/code_action.rs index 5c2831be7e9..38cc6bddf64 100644 --- a/noir/noir-repo/tooling/lsp/src/requests/code_action.rs +++ b/noir/noir-repo/tooling/lsp/src/requests/code_action.rs @@ -19,6 +19,7 @@ use noirc_frontend::{ graph::CrateId, hir::def_map::{CrateDefMap, LocalModuleId, ModuleId}, node_interner::NodeInterner, + usage_tracker::UsageTracker, }; use noirc_frontend::{ parser::{Item, ItemKind, ParsedSubModule}, @@ -62,6 +63,7 @@ pub(crate) fn on_code_action_request( args.crate_id, args.def_maps, args.interner, + args.usage_tracker, ); finder.find(&parsed_module) }) @@ -82,6 +84,7 @@ struct CodeActionFinder<'a> { module_id: ModuleId, def_maps: &'a BTreeMap, interner: &'a NodeInterner, + usage_tracker: &'a UsageTracker, /// How many nested `mod` we are in deep nesting: usize, /// The line where an auto_import must be inserted @@ -103,6 +106,7 @@ impl<'a> CodeActionFinder<'a> { krate: CrateId, def_maps: &'a BTreeMap, interner: &'a NodeInterner, + usage_tracker: &'a UsageTracker, ) -> Self { // Find the module the current file belongs to let def_map = &def_maps[&krate]; @@ -124,6 +128,7 @@ impl<'a> CodeActionFinder<'a> { module_id, def_maps, interner, + usage_tracker, nesting: 0, auto_import_line: 0, use_segment_positions: UseSegmentPositions::default(), diff --git a/noir/noir-repo/tooling/lsp/src/requests/code_action/remove_unused_import.rs b/noir/noir-repo/tooling/lsp/src/requests/code_action/remove_unused_import.rs index c1a3c87d142..4822a9d61ec 100644 --- a/noir/noir-repo/tooling/lsp/src/requests/code_action/remove_unused_import.rs +++ b/noir/noir-repo/tooling/lsp/src/requests/code_action/remove_unused_import.rs @@ -24,7 +24,7 @@ impl<'a> CodeActionFinder<'a> { return; } - let Some(unused_items) = self.interner.unused_items().get(&self.module_id) else { + let Some(unused_items) = self.usage_tracker.unused_items().get(&self.module_id) else { return; }; diff --git a/noir/noir-repo/tooling/lsp/src/requests/code_lens_request.rs b/noir/noir-repo/tooling/lsp/src/requests/code_lens_request.rs index 42f2af3a7bf..0c1877c156d 100644 --- a/noir/noir-repo/tooling/lsp/src/requests/code_lens_request.rs +++ b/noir/noir-repo/tooling/lsp/src/requests/code_lens_request.rs @@ -24,9 +24,6 @@ const EXECUTE_CODELENS_TITLE: &str = "Execute"; const DEBUG_COMMAND: &str = "nargo.debug.dap"; const DEBUG_CODELENS_TITLE: &str = "Debug"; -const PROFILE_COMMAND: &str = "nargo.profile"; -const PROFILE_CODELENS_TITLE: &str = "Profile"; - fn with_arrow(title: &str) -> String { format!("{ARROW} {title}") } @@ -162,7 +159,6 @@ pub(crate) fn collect_lenses_for_package( let internal_command_lenses = [ (INFO_CODELENS_TITLE, INFO_COMMAND), (EXECUTE_CODELENS_TITLE, EXECUTE_COMMAND), - (PROFILE_CODELENS_TITLE, PROFILE_COMMAND), (DEBUG_CODELENS_TITLE, DEBUG_COMMAND), ] .map(|(title, command)| { @@ -214,16 +210,6 @@ pub(crate) fn collect_lenses_for_package( let info_lens = CodeLens { range, command: Some(info_command), data: None }; lenses.push(info_lens); - - let profile_command = Command { - title: PROFILE_CODELENS_TITLE.to_string(), - command: PROFILE_COMMAND.into(), - arguments: Some(package_selection_args(workspace, package)), - }; - - let profile_lens = CodeLens { range, command: Some(profile_command), data: None }; - - lenses.push(profile_lens); } } diff --git a/noir/noir-repo/tooling/lsp/src/requests/completion.rs b/noir/noir-repo/tooling/lsp/src/requests/completion.rs index 2dd42c740cd..d71f0414adc 100644 --- a/noir/noir-repo/tooling/lsp/src/requests/completion.rs +++ b/noir/noir-repo/tooling/lsp/src/requests/completion.rs @@ -26,20 +26,21 @@ use noirc_frontend::{ graph::{CrateId, Dependency}, hir::{ def_map::{CrateDefMap, LocalModuleId, ModuleDefId, ModuleId}, - resolution::visibility::{method_call_is_visible, struct_member_is_visible}, + resolution::visibility::{ + item_in_module_is_visible, method_call_is_visible, struct_member_is_visible, + }, }, hir_def::traits::Trait, node_interner::{NodeInterner, ReferenceId, StructId}, parser::{Item, ItemKind, ParsedSubModule}, - token::{CustomAttribute, Token, Tokens}, + token::{MetaAttribute, Token, Tokens}, Kind, ParsedModule, StructType, Type, TypeBinding, }; use sort_text::underscore_sort_text; use crate::{ requests::to_lsp_location, trait_impl_method_stub_generator::TraitImplMethodStubGenerator, - use_segment_positions::UseSegmentPositions, utils, visibility::item_in_module_is_visible, - LspState, + use_segment_positions::UseSegmentPositions, utils, LspState, }; use super::process_request; @@ -583,6 +584,14 @@ impl<'a> NodeFinder<'a> { self_prefix, ); } + Type::CheckedCast { to, .. } => { + return self.complete_type_fields_and_methods( + to, + prefix, + function_completion_kind, + self_prefix, + ); + } Type::Tuple(types) => { self.complete_tuple_fields(types, self_prefix); } @@ -799,10 +808,10 @@ impl<'a> NodeFinder<'a> { let per_ns = module_data.find_name(ident); if let Some((module_def_id, visibility, _)) = per_ns.types { if item_in_module_is_visible( - module_id, + self.def_maps, self.module_id, + module_id, visibility, - self.def_maps, ) { let completion_items = self.module_def_id_completion_items( module_def_id, @@ -820,10 +829,10 @@ impl<'a> NodeFinder<'a> { if let Some((module_def_id, visibility, _)) = per_ns.values { if item_in_module_is_visible( - module_id, + self.def_maps, self.module_id, + module_id, visibility, - self.def_maps, ) { let completion_items = self.module_def_id_completion_items( module_def_id, @@ -892,24 +901,6 @@ impl<'a> NodeFinder<'a> { None } - fn suggest_attributes(&mut self, prefix: &str, target: AttributeTarget) { - self.suggest_builtin_attributes(prefix, target); - - let function_completion_kind = FunctionCompletionKind::NameAndParameters; - let requested_items = RequestedItems::OnlyAttributeFunctions(target); - - self.complete_in_module( - self.module_id, - prefix, - PathKind::Plain, - true, - function_completion_kind, - requested_items, - ); - - self.complete_auto_imports(prefix, requested_items, function_completion_kind); - } - fn suggest_no_arguments_attributes(&mut self, prefix: &str, attributes: &[&str]) { for name in attributes { if name_matches(name, prefix) { @@ -1666,12 +1657,14 @@ impl<'a> Visitor for NodeFinder<'a> { false } - fn visit_custom_attribute(&mut self, attribute: &CustomAttribute, target: AttributeTarget) { - if self.byte_index != attribute.contents_span.end() as usize { - return; + fn visit_meta_attribute(&mut self, attribute: &MetaAttribute, target: AttributeTarget) -> bool { + if self.byte_index == attribute.name.span.end() as usize { + self.suggest_builtin_attributes(&attribute.name.to_string(), target); } - self.suggest_attributes(&attribute.contents, target); + self.find_in_path(&attribute.name, RequestedItems::OnlyAttributeFunctions(target)); + + true } fn visit_quote(&mut self, tokens: &Tokens) { diff --git a/noir/noir-repo/tooling/lsp/src/requests/completion/builtins.rs b/noir/noir-repo/tooling/lsp/src/requests/completion/builtins.rs index 078e2faf036..b4c7d8b6e01 100644 --- a/noir/noir-repo/tooling/lsp/src/requests/completion/builtins.rs +++ b/noir/noir-repo/tooling/lsp/src/requests/completion/builtins.rs @@ -107,6 +107,24 @@ impl<'a> NodeFinder<'a> { let one_argument_attributes = &["abi", "field", "foreign", "oracle"]; self.suggest_one_argument_attributes(prefix, one_argument_attributes); + if name_matches("deprecated", prefix) { + self.completion_items.push(snippet_completion_item( + "deprecated(\"...\")", + CompletionItemKind::METHOD, + "deprecated(\"${1:message}\")", + None, + )); + } + + if name_matches("test", prefix) || name_matches("should_fail", prefix) { + self.completion_items.push(snippet_completion_item( + "test(should_fail)", + CompletionItemKind::METHOD, + "test(should_fail)", + None, + )); + } + if name_matches("test", prefix) || name_matches("should_fail_with", prefix) { self.completion_items.push(snippet_completion_item( "test(should_fail_with = \"...\")", diff --git a/noir/noir-repo/tooling/lsp/src/requests/completion/tests.rs b/noir/noir-repo/tooling/lsp/src/requests/completion/tests.rs index 745dacfc152..8cfb2a4b5ee 100644 --- a/noir/noir-repo/tooling/lsp/src/requests/completion/tests.rs +++ b/noir/noir-repo/tooling/lsp/src/requests/completion/tests.rs @@ -2350,13 +2350,13 @@ fn main() { #[test] async fn test_suggests_built_in_function_attribute() { let src = r#" - #[dep>|<] + #[no_pred>|<] fn foo() {} "#; assert_completion_excluding_auto_import( src, - vec![simple_completion_item("deprecated", CompletionItemKind::METHOD, None)], + vec![simple_completion_item("no_predicates", CompletionItemKind::METHOD, None)], ) .await; } diff --git a/noir/noir-repo/tooling/lsp/src/requests/hover.rs b/noir/noir-repo/tooling/lsp/src/requests/hover.rs index 64974a42133..bb1ea661719 100644 --- a/noir/noir-repo/tooling/lsp/src/requests/hover.rs +++ b/noir/noir-repo/tooling/lsp/src/requests/hover.rs @@ -679,6 +679,7 @@ impl<'a> TypeLinksGatherer<'a> { self.gather_type_links(lhs); self.gather_type_links(rhs); } + Type::CheckedCast { to, .. } => self.gather_type_links(to), Type::FieldElement | Type::Integer(..) | Type::Bool diff --git a/noir/noir-repo/tooling/lsp/src/requests/inlay_hint.rs b/noir/noir-repo/tooling/lsp/src/requests/inlay_hint.rs index f7b3e6a748d..c6415acb545 100644 --- a/noir/noir-repo/tooling/lsp/src/requests/inlay_hint.rs +++ b/noir/noir-repo/tooling/lsp/src/requests/inlay_hint.rs @@ -471,6 +471,7 @@ fn push_type_parts(typ: &Type, parts: &mut Vec, files: &File push_type_variable_parts(binding, parts, files); } } + Type::CheckedCast { to, .. } => push_type_parts(to, parts, files), Type::FieldElement | Type::Integer(..) diff --git a/noir/noir-repo/tooling/lsp/src/requests/mod.rs b/noir/noir-repo/tooling/lsp/src/requests/mod.rs index 0ee66f1f618..22bdda8d7d7 100644 --- a/noir/noir-repo/tooling/lsp/src/requests/mod.rs +++ b/noir/noir-repo/tooling/lsp/src/requests/mod.rs @@ -18,6 +18,7 @@ use nargo_fmt::Config; use noirc_frontend::graph::CrateId; use noirc_frontend::hir::def_map::CrateDefMap; +use noirc_frontend::usage_tracker::UsageTracker; use noirc_frontend::{graph::Dependency, node_interner::NodeInterner}; use serde::{Deserialize, Serialize}; @@ -44,7 +45,6 @@ mod goto_declaration; mod goto_definition; mod hover; mod inlay_hint; -mod profile_run; mod references; mod rename; mod signature_help; @@ -56,8 +56,7 @@ pub(crate) use { code_lens_request::on_code_lens_request, completion::on_completion_request, document_symbol::on_document_symbol_request, goto_declaration::on_goto_declaration_request, goto_definition::on_goto_definition_request, goto_definition::on_goto_type_definition_request, - hover::on_hover_request, inlay_hint::on_inlay_hint_request, - profile_run::on_profile_run_request, references::on_references_request, + hover::on_hover_request, inlay_hint::on_inlay_hint_request, references::on_references_request, rename::on_prepare_rename_request, rename::on_rename_request, signature_help::on_signature_help_request, test_run::on_test_run_request, tests::on_tests_request, @@ -416,6 +415,7 @@ pub(crate) struct ProcessRequestCallbackArgs<'a> { crate_name: String, dependencies: &'a Vec, def_maps: &'a BTreeMap, + usage_tracker: &'a UsageTracker, } pub(crate) fn process_request( @@ -452,6 +452,7 @@ where let file_manager = &workspace_cache_data.file_manager; let interner = &package_cache_data.node_interner; let def_maps = &package_cache_data.def_maps; + let usage_tracker = &package_cache_data.usage_tracker; let crate_graph = &package_cache_data.crate_graph; let crate_id = package_cache_data.crate_id; @@ -472,6 +473,7 @@ where crate_name: package.name.to_string(), dependencies: &crate_graph[crate_id].dependencies, def_maps, + usage_tracker, })) } @@ -506,14 +508,17 @@ where let interner; let def_maps; + let usage_tracker; if let Some(package_cache) = state.package_cache.get(&package.root_dir) { interner = &package_cache.node_interner; def_maps = &package_cache.def_maps; + usage_tracker = &package_cache.usage_tracker; } else { // We ignore the warnings and errors produced by compilation while resolving the definition let _ = noirc_driver::check_crate(&mut context, crate_id, &Default::default()); interner = &context.def_interner; def_maps = &context.def_maps; + usage_tracker = &context.usage_tracker; } let files = workspace_file_manager.as_file_map(); @@ -533,6 +538,7 @@ where crate_name: package.name.to_string(), dependencies: &context.crate_graph[crate_id].dependencies, def_maps, + usage_tracker, })) } diff --git a/noir/noir-repo/tooling/lsp/src/requests/profile_run.rs b/noir/noir-repo/tooling/lsp/src/requests/profile_run.rs deleted file mode 100644 index a7362300adc..00000000000 --- a/noir/noir-repo/tooling/lsp/src/requests/profile_run.rs +++ /dev/null @@ -1,122 +0,0 @@ -use std::{ - collections::{BTreeMap, HashMap}, - future::{self, Future}, -}; - -use crate::insert_all_files_for_workspace_into_file_manager; -use acvm::acir::circuit::ExpressionWidth; -use async_lsp::{ErrorCode, ResponseError}; -use nargo::ops::report_errors; -use nargo_toml::{find_package_manifest, resolve_workspace_from_toml, PackageSelection}; -use noirc_artifacts::debug::DebugArtifact; -use noirc_driver::{CompileOptions, DebugFile, NOIR_ARTIFACT_VERSION_STRING}; -use noirc_errors::{debug_info::OpCodesCount, Location}; - -use crate::{ - parse_diff, - types::{NargoProfileRunParams, NargoProfileRunResult}, - LspState, -}; -use fm::FileId; - -pub(crate) fn on_profile_run_request( - state: &mut LspState, - params: NargoProfileRunParams, -) -> impl Future> { - future::ready(on_profile_run_request_inner(state, params)) -} - -fn on_profile_run_request_inner( - state: &mut LspState, - params: NargoProfileRunParams, -) -> Result { - let root_path = state.root_path.as_deref().ok_or_else(|| { - ResponseError::new(ErrorCode::REQUEST_FAILED, "Could not find project root") - })?; - - let toml_path = find_package_manifest(root_path, root_path).map_err(|err| { - // If we cannot find a manifest, we can't run the test - ResponseError::new(ErrorCode::REQUEST_FAILED, err) - })?; - - let crate_name = params.package; - - let workspace = resolve_workspace_from_toml( - &toml_path, - PackageSelection::DefaultOrAll, - Some(NOIR_ARTIFACT_VERSION_STRING.to_string()), - ) - .map_err(|err| { - // If we found a manifest, but the workspace is invalid, we raise an error about it - ResponseError::new(ErrorCode::REQUEST_FAILED, err) - })?; - - let mut workspace_file_manager = workspace.new_file_manager(); - insert_all_files_for_workspace_into_file_manager( - state, - &workspace, - &mut workspace_file_manager, - ); - let parsed_files = parse_diff(&workspace_file_manager, state); - - // Since we filtered on crate name, this should be the only item in the iterator - match workspace.into_iter().next() { - Some(_package) => { - let expression_width = ExpressionWidth::Bounded { width: 3 }; - - let compiled_workspace = nargo::ops::compile_workspace( - &workspace_file_manager, - &parsed_files, - &workspace, - &CompileOptions::default(), - ); - - let (compiled_programs, compiled_contracts) = report_errors( - compiled_workspace, - &workspace_file_manager, - CompileOptions::default().deny_warnings, - CompileOptions::default().silence_warnings, - ) - .map_err(|err| ResponseError::new(ErrorCode::REQUEST_FAILED, err))?; - - let mut opcodes_counts: HashMap = HashMap::new(); - let mut file_map: BTreeMap = BTreeMap::new(); - for compiled_program in compiled_programs { - let compiled_program = - nargo::ops::transform_program(compiled_program, expression_width); - - for function_debug in compiled_program.debug.iter() { - let span_opcodes = function_debug.count_span_opcodes(); - opcodes_counts.extend(span_opcodes); - } - let debug_artifact: DebugArtifact = compiled_program.into(); - file_map.extend(debug_artifact.file_map); - } - - for compiled_contract in compiled_contracts { - let compiled_contract = - nargo::ops::transform_contract(compiled_contract, expression_width); - - let function_debug_info = compiled_contract - .functions - .iter() - .flat_map(|func| &func.debug) - .collect::>(); - for contract_function_debug in function_debug_info { - let span_opcodes = contract_function_debug.count_span_opcodes(); - opcodes_counts.extend(span_opcodes); - } - let debug_artifact: DebugArtifact = compiled_contract.into(); - file_map.extend(debug_artifact.file_map); - } - - let result = NargoProfileRunResult { file_map, opcodes_counts }; - - Ok(result) - } - None => Err(ResponseError::new( - ErrorCode::REQUEST_FAILED, - format!("Could not locate package named: {crate_name}"), - )), - } -} diff --git a/noir/noir-repo/tooling/lsp/src/trait_impl_method_stub_generator.rs b/noir/noir-repo/tooling/lsp/src/trait_impl_method_stub_generator.rs index b433ee2ec88..2ae0d526f3e 100644 --- a/noir/noir-repo/tooling/lsp/src/trait_impl_method_stub_generator.rs +++ b/noir/noir-repo/tooling/lsp/src/trait_impl_method_stub_generator.rs @@ -368,6 +368,7 @@ impl<'a> TraitImplMethodStubGenerator<'a> { self.string.push(' '); self.append_type(right); } + Type::CheckedCast { to, .. } => self.append_type(to), Type::Constant(..) | Type::Integer(_, _) | Type::Bool diff --git a/noir/noir-repo/tooling/lsp/src/types.rs b/noir/noir-repo/tooling/lsp/src/types.rs index 043c50a87fd..b49377787e8 100644 --- a/noir/noir-repo/tooling/lsp/src/types.rs +++ b/noir/noir-repo/tooling/lsp/src/types.rs @@ -1,15 +1,10 @@ -use fm::FileId; use lsp_types::{ CodeActionOptions, CompletionOptions, DeclarationCapability, DefinitionOptions, DocumentSymbolOptions, HoverOptions, InlayHintOptions, OneOf, ReferencesOptions, RenameOptions, SignatureHelpOptions, TypeDefinitionProviderCapability, }; -use noirc_driver::DebugFile; -use noirc_errors::{debug_info::OpCodesCount, Location}; use noirc_frontend::graph::CrateName; use serde::{Deserialize, Serialize}; -use serde_with::serde_as; -use std::collections::{BTreeMap, HashMap}; // Re-providing lsp_types that we don't need to override pub(crate) use lsp_types::{ @@ -23,8 +18,8 @@ pub(crate) mod request { use lsp_types::{request::Request, InitializeParams}; use super::{ - InitializeResult, NargoProfileRunParams, NargoProfileRunResult, NargoTestRunParams, - NargoTestRunResult, NargoTestsParams, NargoTestsResult, + InitializeResult, NargoTestRunParams, NargoTestRunResult, NargoTestsParams, + NargoTestsResult, }; // Re-providing lsp_types that we don't need to override @@ -56,14 +51,6 @@ pub(crate) mod request { type Result = NargoTestsResult; const METHOD: &'static str = "nargo/tests"; } - - #[derive(Debug)] - pub(crate) struct NargoProfileRun; - impl Request for NargoProfileRun { - type Params = NargoProfileRunParams; - type Result = NargoProfileRunResult; - const METHOD: &'static str = "nargo/profile/run"; - } } pub(crate) mod notification { @@ -253,17 +240,6 @@ pub(crate) struct NargoTestRunResult { pub(crate) result: String, pub(crate) message: Option, } -#[derive(Debug, Serialize, Deserialize)] -pub(crate) struct NargoProfileRunParams { - pub(crate) package: CrateName, -} -#[serde_as] -#[derive(Debug, Serialize, Deserialize)] -pub(crate) struct NargoProfileRunResult { - pub(crate) file_map: BTreeMap, - #[serde_as(as = "Vec<(_, _)>")] - pub(crate) opcodes_counts: HashMap, -} pub(crate) type CodeLensResult = Option>; pub(crate) type GotoDefinitionResult = Option; diff --git a/noir/noir-repo/tooling/lsp/src/visibility.rs b/noir/noir-repo/tooling/lsp/src/visibility.rs index 6a21525f069..6724a0ba505 100644 --- a/noir/noir-repo/tooling/lsp/src/visibility.rs +++ b/noir/noir-repo/tooling/lsp/src/visibility.rs @@ -5,36 +5,13 @@ use noirc_frontend::{ graph::CrateId, hir::{ def_map::{CrateDefMap, ModuleDefId, ModuleId}, - resolution::visibility::can_reference_module_id, + resolution::visibility::item_in_module_is_visible, }, node_interner::NodeInterner, }; use crate::modules::get_parent_module; -/// Returns true if an item with the given visibility in the target module -/// is visible from the current module. For example: -/// -/// mod foo { -/// ^^^ <-- target module -/// pub(crate) fn bar() {} -/// ^^^^^^^^^^ <- visibility -/// } -pub(super) fn item_in_module_is_visible( - target_module_id: ModuleId, - current_module_id: ModuleId, - visibility: ItemVisibility, - def_maps: &BTreeMap, -) -> bool { - can_reference_module_id( - def_maps, - current_module_id.krate, - current_module_id.local_id, - target_module_id, - visibility, - ) -} - /// Returns true if the given ModuleDefId is visible from the current module, given its visibility. /// This will in turn check if the ModuleDefId parent modules are visible from the current module. /// If `defining_module` is Some, it will be considered as the parent of the item to check @@ -57,7 +34,7 @@ pub(super) fn module_def_id_is_visible( // Then check if it's visible, and upwards while let Some(module_id) = target_module_id { - if !item_in_module_is_visible(module_id, current_module_id, visibility, def_maps) { + if !item_in_module_is_visible(def_maps, current_module_id, module_id, visibility) { return false; } diff --git a/noir/noir-repo/tooling/nargo/src/ops/check.rs b/noir/noir-repo/tooling/nargo/src/ops/check.rs new file mode 100644 index 00000000000..14d629ab0f6 --- /dev/null +++ b/noir/noir-repo/tooling/nargo/src/ops/check.rs @@ -0,0 +1,21 @@ +use acvm::compiler::CircuitSimulator; +use noirc_driver::{CompiledProgram, ErrorsAndWarnings}; +use noirc_errors::{CustomDiagnostic, FileDiagnostic}; + +pub fn check_program(compiled_program: &CompiledProgram) -> Result<(), ErrorsAndWarnings> { + // Check if the program is solvable + for (i, circuit) in compiled_program.program.functions.iter().enumerate() { + let mut simulator = CircuitSimulator::default(); + if !simulator.check_circuit(circuit) { + let diag = FileDiagnostic { + file_id: fm::FileId::dummy(), + diagnostic: CustomDiagnostic::from_message(&format!( + "Circuit \"{}\" is not solvable", + compiled_program.names[i] + )), + }; + return Err(vec![diag]); + } + } + Ok(()) +} diff --git a/noir/noir-repo/tooling/nargo/src/ops/mod.rs b/noir/noir-repo/tooling/nargo/src/ops/mod.rs index 16680dab980..f70577a14f1 100644 --- a/noir/noir-repo/tooling/nargo/src/ops/mod.rs +++ b/noir/noir-repo/tooling/nargo/src/ops/mod.rs @@ -1,3 +1,4 @@ +pub use self::check::check_program; pub use self::compile::{ collect_errors, compile_contract, compile_program, compile_program_with_debug_instrumenter, compile_workspace, report_errors, @@ -9,6 +10,7 @@ pub use self::transform::{transform_contract, transform_program}; pub use self::test::{run_test, TestStatus}; +mod check; mod compile; mod execute; mod foreign_calls; diff --git a/noir/noir-repo/tooling/nargo_cli/Cargo.toml b/noir/noir-repo/tooling/nargo_cli/Cargo.toml index d48e44415b0..317706bb237 100644 --- a/noir/noir-repo/tooling/nargo_cli/Cargo.toml +++ b/noir/noir-repo/tooling/nargo_cli/Cargo.toml @@ -66,6 +66,7 @@ termion = "3.0.0" # Logs tracing-subscriber.workspace = true tracing-appender = "0.2.3" +clap_complete = "4.5.36" [target.'cfg(not(unix))'.dependencies] tokio-util = { version = "0.7.8", features = ["compat"] } @@ -87,6 +88,7 @@ sha3.workspace = true iai = "0.1.1" test-binary = "3.0.2" test-case.workspace = true +lazy_static.workspace = true light-poseidon = "0.2.0" diff --git a/noir/noir-repo/tooling/nargo_cli/build.rs b/noir/noir-repo/tooling/nargo_cli/build.rs index 94f74a06149..984419fe388 100644 --- a/noir/noir-repo/tooling/nargo_cli/build.rs +++ b/noir/noir-repo/tooling/nargo_cli/build.rs @@ -59,6 +59,12 @@ const IGNORED_BRILLIG_TESTS: [&str; 11] = [ "is_unconstrained", ]; +/// Tests which aren't expected to work with the default inliner cases. +const INLINER_MIN_OVERRIDES: [(&str, i64); 1] = [ + // 0 works if PoseidonHasher::write is tagged as `inline_always`, otherwise 22. + ("eddsa", 0), +]; + /// Some tests are expected to have warnings /// These should be fixed and removed from this list. const TESTS_WITH_EXPECTED_WARNINGS: [&str; 2] = [ @@ -88,21 +94,105 @@ fn read_test_cases( }) } -fn generate_test_case( +#[derive(Default)] +struct MatrixConfig { + // Only used with execution, and only on selected tests. + vary_brillig: bool, + // Only seems to have an effect on the `execute_success` cases. + vary_inliner: bool, + // If there is a non-default minimum inliner aggressiveness to use with the brillig tests. + min_inliner: i64, +} + +// Enum to be able to preserve readable test labels and also compare to numbers. +enum Inliner { + Min, + Default, + Max, + Custom(i64), +} + +impl Inliner { + fn value(&self) -> i64 { + match self { + Inliner::Min => i64::MIN, + Inliner::Default => 0, + Inliner::Max => i64::MAX, + Inliner::Custom(i) => *i, + } + } + fn label(&self) -> String { + match self { + Inliner::Min => "i64::MIN".to_string(), + Inliner::Default => "0".to_string(), + Inliner::Max => "i64::MAX".to_string(), + Inliner::Custom(i) => i.to_string(), + } + } +} + +/// Generate all test cases for a given test name (expected to be unique for the test directory), +/// based on the matrix configuration. These will be executed serially, but concurrently with +/// other test directories. Running multiple tests on the same directory would risk overriding +/// each others compilation artifacts, which is why this method injects a mutex shared by +/// all cases in the test matrix, as long as the test name and directory has a 1-to-1 relationship. +fn generate_test_cases( test_file: &mut File, test_name: &str, test_dir: &std::path::Display, + test_command: &str, test_content: &str, + matrix_config: &MatrixConfig, ) { + let brillig_cases = if matrix_config.vary_brillig { vec![false, true] } else { vec![false] }; + let inliner_cases = if matrix_config.vary_inliner { + let mut cases = vec![Inliner::Min, Inliner::Default, Inliner::Max]; + if !cases.iter().any(|c| c.value() == matrix_config.min_inliner) { + cases.push(Inliner::Custom(matrix_config.min_inliner)); + } + cases + } else { + vec![Inliner::Default] + }; + + // We can't use a `#[test_matrix(brillig_cases, inliner_cases)` if we only want to limit the + // aggressiveness range for the brillig tests, and let them go full range on the ACIR case. + let mut test_cases = Vec::new(); + for brillig in &brillig_cases { + for inliner in &inliner_cases { + if *brillig && inliner.value() < matrix_config.min_inliner { + continue; + } + test_cases.push(format!("#[test_case::test_case({brillig}, {})]", inliner.label())); + } + } + let test_cases = test_cases.join("\n"); + + // Use a common mutex for all test cases. + let mutex_name = format! {"TEST_MUTEX_{}", test_name.to_uppercase()}; write!( test_file, r#" -#[test] -fn test_{test_name}() {{ +lazy_static::lazy_static! {{ + /// Prevent concurrent tests in the matrix from overwriting the compilation artifacts in {test_dir} + static ref {mutex_name}: std::sync::Mutex<()> = std::sync::Mutex::new(()); +}} + +{test_cases} +fn test_{test_name}(force_brillig: bool, inliner_aggressiveness: i64) {{ + // Ignore poisoning errors if some of the matrix cases failed. + let _guard = {mutex_name}.lock().unwrap_or_else(|e| e.into_inner()); + let test_program_dir = PathBuf::from("{test_dir}"); let mut nargo = Command::cargo_bin("nargo").unwrap(); nargo.arg("--program-dir").arg(test_program_dir); + nargo.arg("{test_command}").arg("--force"); + nargo.arg("--inliner-aggressiveness").arg(inliner_aggressiveness.to_string()); + if force_brillig {{ + nargo.arg("--force-brillig"); + }} + {test_content} }} "# @@ -124,27 +214,24 @@ fn generate_execution_success_tests(test_file: &mut File, test_data_dir: &Path) for (test_name, test_dir) in test_cases { let test_dir = test_dir.display(); - generate_test_case( + generate_test_cases( test_file, &test_name, &test_dir, + "execute", r#" - nargo.arg("execute").arg("--force"); - - nargo.assert().success();"#, + nargo.assert().success(); + "#, + &MatrixConfig { + vary_brillig: !IGNORED_BRILLIG_TESTS.contains(&test_name.as_str()), + vary_inliner: true, + min_inliner: INLINER_MIN_OVERRIDES + .iter() + .find(|(n, _)| *n == test_name.as_str()) + .map(|(_, i)| *i) + .unwrap_or(i64::MIN), + }, ); - - if !IGNORED_BRILLIG_TESTS.contains(&test_name.as_str()) { - generate_test_case( - test_file, - &format!("{test_name}_brillig"), - &test_dir, - r#" - nargo.arg("execute").arg("--force").arg("--force-brillig"); - - nargo.assert().success();"#, - ); - } } writeln!(test_file, "}}").unwrap(); } @@ -163,14 +250,15 @@ fn generate_execution_failure_tests(test_file: &mut File, test_data_dir: &Path) for (test_name, test_dir) in test_cases { let test_dir = test_dir.display(); - generate_test_case( + generate_test_cases( test_file, &test_name, &test_dir, + "execute", r#" - nargo.arg("execute").arg("--force"); - - nargo.assert().failure().stderr(predicate::str::contains("The application panicked (crashed).").not());"#, + nargo.assert().failure().stderr(predicate::str::contains("The application panicked (crashed).").not()); + "#, + &MatrixConfig::default(), ); } writeln!(test_file, "}}").unwrap(); @@ -190,14 +278,15 @@ fn generate_noir_test_success_tests(test_file: &mut File, test_data_dir: &Path) for (test_name, test_dir) in test_cases { let test_dir = test_dir.display(); - generate_test_case( + generate_test_cases( test_file, &test_name, &test_dir, + "test", r#" - nargo.arg("test"); - - nargo.assert().success();"#, + nargo.assert().success(); + "#, + &MatrixConfig::default(), ); } writeln!(test_file, "}}").unwrap(); @@ -216,14 +305,15 @@ fn generate_noir_test_failure_tests(test_file: &mut File, test_data_dir: &Path) .unwrap(); for (test_name, test_dir) in test_cases { let test_dir = test_dir.display(); - generate_test_case( + generate_test_cases( test_file, &test_name, &test_dir, + "test", r#" - nargo.arg("test"); - - nargo.assert().failure();"#, + nargo.assert().failure(); + "#, + &MatrixConfig::default(), ); } writeln!(test_file, "}}").unwrap(); @@ -266,16 +356,18 @@ fn generate_compile_success_empty_tests(test_file: &mut File, test_data_dir: &Pa assert_eq!(num_opcodes.as_u64().expect("number of opcodes should fit in a u64"), 0); "#; - generate_test_case( + generate_test_cases( test_file, &test_name, &test_dir, + "info", &format!( r#" - nargo.arg("info").arg("--json").arg("--force"); - - {assert_zero_opcodes}"#, + nargo.arg("--json"); + {assert_zero_opcodes} + "#, ), + &MatrixConfig::default(), ); } writeln!(test_file, "}}").unwrap(); @@ -295,13 +387,15 @@ fn generate_compile_success_contract_tests(test_file: &mut File, test_data_dir: for (test_name, test_dir) in test_cases { let test_dir = test_dir.display(); - generate_test_case( + generate_test_cases( test_file, &test_name, &test_dir, + "compile", r#" - nargo.arg("compile").arg("--force"); - nargo.assert().success().stderr(predicate::str::contains("warning:").not());"#, + nargo.assert().success().stderr(predicate::str::contains("warning:").not()); + "#, + &MatrixConfig::default(), ); } writeln!(test_file, "}}").unwrap(); @@ -322,13 +416,15 @@ fn generate_compile_success_no_bug_tests(test_file: &mut File, test_data_dir: &P for (test_name, test_dir) in test_cases { let test_dir = test_dir.display(); - generate_test_case( + generate_test_cases( test_file, &test_name, &test_dir, + "compile", r#" - nargo.arg("compile").arg("--force"); - nargo.assert().success().stderr(predicate::str::contains("bug:").not());"#, + nargo.assert().success().stderr(predicate::str::contains("bug:").not()); + "#, + &MatrixConfig::default(), ); } writeln!(test_file, "}}").unwrap(); @@ -348,13 +444,15 @@ fn generate_compile_failure_tests(test_file: &mut File, test_data_dir: &Path) { for (test_name, test_dir) in test_cases { let test_dir = test_dir.display(); - generate_test_case( + generate_test_cases( test_file, &test_name, &test_dir, - r#"nargo.arg("compile").arg("--force"); - - nargo.assert().failure().stderr(predicate::str::contains("The application panicked (crashed).").not());"#, + "compile", + r#" + nargo.assert().failure().stderr(predicate::str::contains("The application panicked (crashed).").not()); + "#, + &MatrixConfig::default(), ); } writeln!(test_file, "}}").unwrap(); diff --git a/noir/noir-repo/tooling/nargo_cli/src/cli/compile_cmd.rs b/noir/noir-repo/tooling/nargo_cli/src/cli/compile_cmd.rs index 0ad07c91ff4..304988ed516 100644 --- a/noir/noir-repo/tooling/nargo_cli/src/cli/compile_cmd.rs +++ b/noir/noir-repo/tooling/nargo_cli/src/cli/compile_cmd.rs @@ -192,7 +192,7 @@ fn compile_programs( let target_width = get_target_width(package.expression_width, compile_options.expression_width); let program = nargo::ops::transform_program(program, target_width); - + nargo::ops::check_program(&program)?; save_program_to_file(&program.into(), &package.name, workspace.target_directory_path()); Ok(((), warnings)) diff --git a/noir/noir-repo/tooling/nargo_cli/src/cli/generate_completion_script_cmd.rs b/noir/noir-repo/tooling/nargo_cli/src/cli/generate_completion_script_cmd.rs new file mode 100644 index 00000000000..0b8fa1ee3e7 --- /dev/null +++ b/noir/noir-repo/tooling/nargo_cli/src/cli/generate_completion_script_cmd.rs @@ -0,0 +1,33 @@ +use clap::{Args, CommandFactory}; +use clap_complete::Shell; + +use crate::errors::CliError; + +use super::NargoCli; + +/// Generates a shell completion script for your favorite shell +#[derive(Debug, Clone, Args)] +pub(crate) struct GenerateCompletionScriptCommand { + /// The shell to generate completions for. One of: bash, elvish, fish, powershell, zsh + pub(crate) shell: String, +} + +pub(crate) fn run(command: GenerateCompletionScriptCommand) -> Result<(), CliError> { + let shell = match command.shell.to_lowercase().as_str() { + "bash" => Shell::Bash, + "elvish" => Shell::Elvish, + "fish" => Shell::Fish, + "powershell" => Shell::PowerShell, + "zsh" => Shell::Zsh, + _ => { + return Err(CliError::Generic( + "Invalid shell. Supported shells are: bash, elvish, fish, powershell, zsh" + .to_string(), + )) + } + }; + + clap_complete::generate(shell, &mut NargoCli::command(), "nargo", &mut std::io::stdout()); + + Ok(()) +} diff --git a/noir/noir-repo/tooling/nargo_cli/src/cli/info_cmd.rs b/noir/noir-repo/tooling/nargo_cli/src/cli/info_cmd.rs index f2e44fa893c..cf416b1fa5f 100644 --- a/noir/noir-repo/tooling/nargo_cli/src/cli/info_cmd.rs +++ b/noir/noir-repo/tooling/nargo_cli/src/cli/info_cmd.rs @@ -1,18 +1,21 @@ -use std::collections::HashMap; - use acvm::acir::circuit::ExpressionWidth; +use bn254_blackbox_solver::Bn254BlackBoxSolver; use clap::Args; use iter_extended::vecmap; -use nargo::package::{CrateName, Package}; +use nargo::{ + constants::PROVER_INPUT_FILE, + ops::DefaultForeignCallExecutor, + package::{CrateName, Package}, +}; use nargo_toml::{get_package_manifest, resolve_workspace_from_toml, PackageSelection}; -use noirc_artifacts::{debug::DebugArtifact, program::ProgramArtifact}; +use noirc_abi::input_parser::Format; +use noirc_artifacts::program::ProgramArtifact; use noirc_driver::{CompileOptions, NOIR_ARTIFACT_VERSION_STRING}; -use noirc_errors::{debug_info::OpCodesCount, Location}; use prettytable::{row, table, Row}; use rayon::prelude::*; use serde::Serialize; -use crate::errors::CliError; +use crate::{cli::fs::inputs::read_inputs_from_file, errors::CliError}; use super::{ compile_cmd::{compile_workspace_full, get_target_width}, @@ -40,14 +43,18 @@ pub(crate) struct InfoCommand { #[clap(long, hide = true)] json: bool, - #[clap(long, hide = true)] - profile_info: bool, + #[clap(long)] + profile_execution: bool, + + /// The name of the toml file which contains the inputs for the prover + #[clap(long, short, default_value = PROVER_INPUT_FILE)] + prover_name: String, #[clap(flatten)] compile_options: CompileOptions, } -pub(crate) fn run(args: InfoCommand, config: NargoConfig) -> Result<(), CliError> { +pub(crate) fn run(mut args: InfoCommand, config: NargoConfig) -> Result<(), CliError> { let toml_path = get_package_manifest(&config.program_dir)?; let default_selection = if args.workspace { PackageSelection::All } else { PackageSelection::DefaultOrAll }; @@ -58,6 +65,11 @@ pub(crate) fn run(args: InfoCommand, config: NargoConfig) -> Result<(), CliError Some(NOIR_ARTIFACT_VERSION_STRING.to_string()), )?; + if args.profile_execution { + // Execution profiling is only relevant with the Brillig VM + // as a constrained circuit should have totally flattened control flow (e.g. loops and if statements). + args.compile_options.force_brillig = true; + } // Compile the full workspace in order to generate any build artifacts. compile_workspace_full(&workspace, &args.compile_options)?; @@ -71,25 +83,29 @@ pub(crate) fn run(args: InfoCommand, config: NargoConfig) -> Result<(), CliError }) .collect::>()?; - if args.profile_info { - for (_, compiled_program) in &binary_packages { - let debug_artifact = DebugArtifact::from(compiled_program.clone()); - for function_debug in compiled_program.debug_symbols.debug_infos.iter() { - let span_opcodes = function_debug.count_span_opcodes(); - print_span_opcodes(span_opcodes, &debug_artifact); - } - } - } - - let program_info = binary_packages - .into_iter() - .par_bridge() - .map(|(package, program)| { - let target_width = - get_target_width(package.expression_width, args.compile_options.expression_width); - count_opcodes_and_gates_in_program(program, &package, target_width) - }) - .collect(); + let program_info = if args.profile_execution { + assert!( + args.compile_options.force_brillig, + "Internal CLI Error: --force-brillig must be active when --profile-execution is active" + ); + profile_brillig_execution( + binary_packages, + &args.prover_name, + args.compile_options.expression_width, + )? + } else { + binary_packages + .into_iter() + .par_bridge() + .map(|(package, program)| { + let target_width = get_target_width( + package.expression_width, + args.compile_options.expression_width, + ); + count_opcodes_and_gates_in_program(program, &package, target_width) + }) + .collect() + }; let info_report = InfoReport { programs: program_info }; @@ -114,55 +130,6 @@ pub(crate) fn run(args: InfoCommand, config: NargoConfig) -> Result<(), CliError Ok(()) } -/// Provides profiling information on -/// -/// Number of OpCodes in relation to Noir source file -/// and line number information -fn print_span_opcodes( - span_opcodes_map: HashMap, - debug_artifact: &DebugArtifact, -) { - let mut pairs: Vec<(&Location, &OpCodesCount)> = span_opcodes_map.iter().collect(); - - pairs.sort_by(|a, b| { - a.1.acir_size.cmp(&b.1.acir_size).then_with(|| a.1.brillig_size.cmp(&b.1.brillig_size)) - }); - - for (location, opcodes_count) in pairs { - let debug_file = debug_artifact.file_map.get(&location.file).unwrap(); - - let start_byte = byte_index(&debug_file.source, location.span.start() + 1); - let end_byte = byte_index(&debug_file.source, location.span.end() + 1); - let range = start_byte..end_byte; - let span_content = &debug_file.source[range]; - let line = debug_artifact.location_line_index(*location).unwrap() + 1; - println!( - "Ln. {}: {} (ACIR:{}, Brillig:{} opcode|s) in file: {}", - line, - span_content, - opcodes_count.acir_size, - opcodes_count.brillig_size, - debug_file.path.to_str().unwrap() - ); - } -} -fn byte_index(string: &str, index: u32) -> usize { - let mut byte_index = 0; - let mut char_index = 0; - - #[allow(clippy::explicit_counter_loop)] - for (byte_offset, _) in string.char_indices() { - if char_index == index { - return byte_index; - } - - byte_index = byte_offset; - char_index += 1; - } - - byte_index -} - #[derive(Debug, Default, Serialize)] struct InfoReport { programs: Vec, @@ -275,3 +242,42 @@ fn count_opcodes_and_gates_in_program( unconstrained_functions: unconstrained_info, } } + +fn profile_brillig_execution( + binary_packages: Vec<(Package, ProgramArtifact)>, + prover_name: &str, + expression_width: Option, +) -> Result, CliError> { + let mut program_info = Vec::new(); + for (package, program_artifact) in binary_packages.iter() { + // Parse the initial witness values from Prover.toml + let (inputs_map, _) = read_inputs_from_file( + &package.root_dir, + prover_name, + Format::Toml, + &program_artifact.abi, + )?; + let initial_witness = program_artifact.abi.encode(&inputs_map, None)?; + + let (_, profiling_samples) = nargo::ops::execute_program_with_profiling( + &program_artifact.bytecode, + initial_witness, + &Bn254BlackBoxSolver, + &mut DefaultForeignCallExecutor::new(false, None, None, None), + )?; + + let expression_width = get_target_width(package.expression_width, expression_width); + + program_info.push(ProgramInfo { + package_name: package.name.to_string(), + expression_width, + functions: vec![FunctionInfo { name: "main".to_string(), opcodes: 0 }], + unconstrained_functions_opcodes: profiling_samples.len(), + unconstrained_functions: vec![FunctionInfo { + name: "main".to_string(), + opcodes: profiling_samples.len(), + }], + }); + } + Ok(program_info) +} diff --git a/noir/noir-repo/tooling/nargo_cli/src/cli/mod.rs b/noir/noir-repo/tooling/nargo_cli/src/cli/mod.rs index 9108815f05d..284dd10cb88 100644 --- a/noir/noir-repo/tooling/nargo_cli/src/cli/mod.rs +++ b/noir/noir-repo/tooling/nargo_cli/src/cli/mod.rs @@ -15,6 +15,7 @@ mod debug_cmd; mod execute_cmd; mod export_cmd; mod fmt_cmd; +mod generate_completion_script_cmd; mod info_cmd; mod init_cmd; mod lsp_cmd; @@ -69,6 +70,7 @@ enum NargoCommand { Lsp(lsp_cmd::LspCommand), #[command(hide = true)] Dap(dap_cmd::DapCommand), + GenerateCompletionScript(generate_completion_script_cmd::GenerateCompletionScriptCommand), } #[cfg(not(feature = "codegen-docs"))] @@ -81,11 +83,22 @@ pub(crate) fn start_cli() -> eyre::Result<()> { } // Search through parent directories to find package root if necessary. - if !matches!( - command, - NargoCommand::New(_) | NargoCommand::Init(_) | NargoCommand::Lsp(_) | NargoCommand::Dap(_) - ) { - config.program_dir = find_package_root(&config.program_dir)?; + match &command { + NargoCommand::Check(..) + | NargoCommand::Fmt(..) + | NargoCommand::Compile(..) + | NargoCommand::Execute(..) + | NargoCommand::Export(..) + | NargoCommand::Debug(..) + | NargoCommand::Test(..) + | NargoCommand::Info(..) => { + config.program_dir = find_package_root(&config.program_dir)?; + } + NargoCommand::New(..) + | NargoCommand::Init(..) + | NargoCommand::Lsp(..) + | NargoCommand::Dap(..) + | NargoCommand::GenerateCompletionScript(..) => (), } match command { @@ -101,6 +114,7 @@ pub(crate) fn start_cli() -> eyre::Result<()> { NargoCommand::Lsp(args) => lsp_cmd::run(args, config), NargoCommand::Dap(args) => dap_cmd::run(args, config), NargoCommand::Fmt(args) => fmt_cmd::run(args, config), + NargoCommand::GenerateCompletionScript(args) => generate_completion_script_cmd::run(args), }?; Ok(()) diff --git a/noir/noir-repo/tooling/nargo_fmt/src/chunks.rs b/noir/noir-repo/tooling/nargo_fmt/src/chunks.rs index 0e55dfad3b7..fcef261284d 100644 --- a/noir/noir-repo/tooling/nargo_fmt/src/chunks.rs +++ b/noir/noir-repo/tooling/nargo_fmt/src/chunks.rs @@ -915,11 +915,18 @@ impl<'a> Formatter<'a> { self.write_indentation(); } Chunk::LeadingComment(text_chunk) => { - let ends_with_newline = text_chunk.string.ends_with('\n'); + let ends_with_multiple_newlines = text_chunk.string.ends_with("\n\n"); + let ends_with_newline = + ends_with_multiple_newlines || text_chunk.string.ends_with('\n'); self.write_chunk_lines(text_chunk.string.trim()); // Respect whether the leading comment had a newline before what comes next or not - if ends_with_newline { + if ends_with_multiple_newlines { + // Remove any indentation that could exist (we'll add it later) + self.buffer.trim_spaces(); + self.write_multiple_lines_without_skipping_whitespace_and_comments(); + self.write_indentation(); + } else if ends_with_newline { self.write_line_without_skipping_whitespace_and_comments(); self.write_indentation(); } else { diff --git a/noir/noir-repo/tooling/nargo_fmt/src/formatter.rs b/noir/noir-repo/tooling/nargo_fmt/src/formatter.rs index 4ae5443a2cc..9a9386e1911 100644 --- a/noir/noir-repo/tooling/nargo_fmt/src/formatter.rs +++ b/noir/noir-repo/tooling/nargo_fmt/src/formatter.rs @@ -188,8 +188,7 @@ impl<'a> Formatter<'a> { pub(crate) fn write_token(&mut self, token: Token) { self.skip_comments_and_whitespace(); if self.token == token { - self.write_current_token(); - self.bump(); + self.write_current_token_and_bump(); } else { panic!("Expected token {:?}, got: {:?}", token, self.token); } @@ -200,6 +199,12 @@ impl<'a> Formatter<'a> { self.write(&self.token.to_string()); } + /// Writes the current token and advances to the next one + pub(crate) fn write_current_token_and_bump(&mut self) { + self.write(&self.token.to_string()); + self.bump(); + } + /// Writes the current token trimming its end but doesn't advance to the next one. /// Mainly used when writing comment lines, because we never want trailing spaces /// inside comments. diff --git a/noir/noir-repo/tooling/nargo_fmt/src/formatter/attribute.rs b/noir/noir-repo/tooling/nargo_fmt/src/formatter/attribute.rs index c13ba2a8c4c..7eae129f590 100644 --- a/noir/noir-repo/tooling/nargo_fmt/src/formatter/attribute.rs +++ b/noir/noir-repo/tooling/nargo_fmt/src/formatter/attribute.rs @@ -1,30 +1,343 @@ -use noirc_frontend::token::Token; +use noirc_frontend::token::{ + Attribute, Attributes, FunctionAttribute, MetaAttribute, SecondaryAttribute, TestScope, Token, +}; + +use crate::chunks::ChunkGroup; use super::Formatter; impl<'a> Formatter<'a> { - pub(super) fn format_attributes(&mut self) { - loop { - self.skip_comments_and_whitespace(); + pub(super) fn format_attributes(&mut self, attributes: Attributes) { + let mut all_attributes = Vec::new(); + for attribute in attributes.secondary { + all_attributes.push(Attribute::Secondary(attribute)); + } + if let Some((function_attribute, index)) = attributes.function { + all_attributes.insert(index, Attribute::Function(function_attribute)); + } + for attribute in all_attributes { + self.format_attribute(attribute); + } + } - if let Token::Attribute(_) = self.token { - self.write_indentation(); - self.write_current_token(); - self.bump(); - self.write_line(); - } else { - break; + pub(super) fn format_secondary_attributes(&mut self, attributes: Vec) { + for attribute in attributes { + self.format_secondary_attribute(attribute); + } + } + + fn format_attribute(&mut self, attribute: Attribute) { + match attribute { + Attribute::Function(function_attribute) => { + self.format_function_attribute(function_attribute); + } + Attribute::Secondary(secondary_attribute) => { + self.format_secondary_attribute(secondary_attribute); } } } - pub(super) fn format_inner_attribute(&mut self) { + fn format_function_attribute(&mut self, attribute: FunctionAttribute) { self.skip_comments_and_whitespace(); - let Token::InnerAttribute(..) = self.token else { - panic!("Expected inner attribute, got {:?}", self.token); - }; self.write_indentation(); - self.write_current_token(); - self.bump(); + + if !matches!(self.token, Token::AttributeStart { .. }) { + panic!("Expected attribute start, got: {:?}", self.token); + } + + match attribute { + FunctionAttribute::Foreign(_) + | FunctionAttribute::Builtin(_) + | FunctionAttribute::Oracle(_) => self.format_one_arg_attribute(), + FunctionAttribute::Test(test_scope) => self.format_test_attribute(test_scope), + FunctionAttribute::Recursive + | FunctionAttribute::Fold + | FunctionAttribute::NoPredicates + | FunctionAttribute::InlineAlways => self.format_no_args_attribute(), + } + + self.write_line(); + } + + pub(super) fn format_secondary_attribute(&mut self, attribute: SecondaryAttribute) { + self.skip_comments_and_whitespace(); + self.write_indentation(); + + if !matches!(self.token, Token::AttributeStart { .. }) { + panic!("Expected attribute start, got: {:?}", self.token); + } + + match attribute { + SecondaryAttribute::Deprecated(message) => { + self.format_deprecated_attribute(message); + } + SecondaryAttribute::ContractLibraryMethod + | SecondaryAttribute::Export + | SecondaryAttribute::Varargs + | SecondaryAttribute::UseCallersScope => { + self.format_no_args_attribute(); + } + SecondaryAttribute::Field(_) + | SecondaryAttribute::Abi(_) + | SecondaryAttribute::Allow(_) => { + self.format_one_arg_attribute(); + } + SecondaryAttribute::Tag(custom_attribute) => { + self.write_and_skip_span_without_formatting(custom_attribute.span); + } + SecondaryAttribute::Meta(meta_attribute) => { + self.format_meta_attribute(meta_attribute); + } + } + + self.write_line(); + } + + fn format_deprecated_attribute(&mut self, message: Option) { + self.write_current_token_and_bump(); // #[ + self.skip_comments_and_whitespace(); + if message.is_some() { + self.write_current_token_and_bump(); // deprecated + self.write_left_paren(); // ( + self.skip_comments_and_whitespace(); // message + self.write_current_token_and_bump(); // ) + self.write_right_paren(); + } else { + self.write_current_token_and_bump(); + } + self.write_right_bracket(); // ] + } + + fn format_test_attribute(&mut self, test_scope: TestScope) { + self.write_current_token_and_bump(); // #[ + self.skip_comments_and_whitespace(); + self.write_current_token_and_bump(); // test + + match test_scope { + TestScope::None => (), + TestScope::ShouldFailWith { reason: None } => { + self.write_left_paren(); // ( + self.skip_comments_and_whitespace(); + self.write_current_token_and_bump(); // should_fail + self.write_right_paren(); // ) + } + TestScope::ShouldFailWith { reason: Some(..) } => { + self.write_left_paren(); // ( + self.skip_comments_and_whitespace(); + self.write_current_token_and_bump(); // should_fail_with + self.write_space(); + self.write_token(Token::Assign); + self.write_space(); + self.skip_comments_and_whitespace(); + self.write_current_token_and_bump(); // "reason" + self.write_right_paren(); // ) + } + } + + self.write_right_bracket(); // ] + } + + fn format_meta_attribute(&mut self, meta_attribute: MetaAttribute) { + self.write_current_token_and_bump(); // #[ + self.skip_comments_and_whitespace(); + self.format_path(meta_attribute.name); + self.skip_comments_and_whitespace(); + if self.is_at(Token::LeftParen) { + let comments_count_before_arguments = self.written_comments_count; + let has_arguments = !meta_attribute.arguments.is_empty(); + + let mut chunk_formatter = self.chunk_formatter(); + let mut group = ChunkGroup::new(); + group.text(chunk_formatter.chunk(|formatter| { + formatter.write_left_paren(); + })); + chunk_formatter.format_expressions_separated_by_comma( + meta_attribute.arguments, + false, // force trailing comma + &mut group, + ); + group.text(chunk_formatter.chunk(|formatter| { + formatter.write_right_paren(); + })); + if has_arguments || self.written_comments_count > comments_count_before_arguments { + self.format_chunk_group(group); + } + } + self.write_right_bracket(); + } + + fn format_no_args_attribute(&mut self) { + self.write_current_token_and_bump(); // #[ + self.skip_comments_and_whitespace(); + self.write_current_token_and_bump(); // name + self.write_right_bracket(); // ] + } + + fn format_one_arg_attribute(&mut self) { + self.write_current_token_and_bump(); // #[ + self.skip_comments_and_whitespace(); + self.write_current_token_and_bump(); // name + self.write_left_paren(); // ( + loop { + self.skip_comments_and_whitespace(); + if self.is_at(Token::RightParen) { + self.write_right_paren(); + break; + } else { + self.write_current_token_and_bump(); + } + } + self.write_right_bracket(); // ] + } +} + +#[cfg(test)] +mod tests { + use crate::assert_format; + + fn assert_format_attribute(src: &str, expected: &str) { + let src = format!(" {src} fn foo() {{}}"); + let expected = format!("{expected}\nfn foo() {{}}\n"); + assert_format(&src, &expected); + } + + #[test] + fn format_inner_tag_attribute() { + let src = " #!['foo] "; + let expected = "#!['foo]\n"; + assert_format(src, expected); + } + + #[test] + fn format_deprecated_attribute() { + let src = " #[ deprecated ] "; + let expected = "#[deprecated]"; + assert_format_attribute(src, expected); + } + + #[test] + fn format_deprecated_attribute_with_message() { + let src = " #[ deprecated ( \"use something else\" ) ] "; + let expected = "#[deprecated(\"use something else\")]"; + assert_format_attribute(src, expected); + } + + #[test] + fn format_contract_library_method() { + let src = " #[ contract_library_method ] "; + let expected = "#[contract_library_method]"; + assert_format_attribute(src, expected); + } + + #[test] + fn format_export() { + let src = " #[ export ] "; + let expected = "#[export]"; + assert_format_attribute(src, expected); + } + + #[test] + fn format_varargs() { + let src = " #[ varargs ] "; + let expected = "#[varargs]"; + assert_format_attribute(src, expected); + } + + #[test] + fn format_use_callers_scope() { + let src = " #[ use_callers_scope ] "; + let expected = "#[use_callers_scope]"; + assert_format_attribute(src, expected); + } + + #[test] + fn format_field_attribute() { + let src = " #[ field ( bn256 ) ] "; + let expected = "#[field(bn256)]"; + assert_format_attribute(src, expected); + } + + #[test] + fn format_abi_attribute() { + let src = " #[ abi ( foo ) ] "; + let expected = "#[abi(foo)]"; + assert_format_attribute(src, expected); + } + + #[test] + fn format_allow_attribute() { + let src = " #[ allow ( unused_vars ) ] "; + let expected = "#[allow(unused_vars)]"; + assert_format_attribute(src, expected); + } + + #[test] + fn format_meta_attribute_without_arguments() { + let src = " #[ custom ] "; + let expected = "#[custom]"; + assert_format_attribute(src, expected); + } + + #[test] + fn format_meta_attribute_without_arguments_removes_parentheses() { + let src = " #[ custom ( ) ] "; + let expected = "#[custom]"; + assert_format_attribute(src, expected); + } + + #[test] + fn format_meta_attribute_without_arguments_but_comment() { + let src = " #[ custom ( /* nothing */ ) ] "; + let expected = "#[custom( /* nothing */ )]"; + assert_format_attribute(src, expected); + } + + #[test] + fn format_meta_attribute_with_arguments() { + let src = " #[ custom ( 1 , 2, [ 3, 4 ], ) ] "; + let expected = "#[custom(1, 2, [3, 4])]"; + assert_format_attribute(src, expected); + } + + #[test] + fn format_foreign_attribute() { + let src = " #[ foreign ( foo ) ] "; + let expected = "#[foreign(foo)]"; + assert_format_attribute(src, expected); + } + + #[test] + fn format_recursive_attribute() { + let src = " #[ recursive ] "; + let expected = "#[recursive]"; + assert_format_attribute(src, expected); + } + + #[test] + fn format_test_attribute() { + let src = " #[ test ] "; + let expected = "#[test]"; + assert_format_attribute(src, expected); + } + + #[test] + fn format_test_should_fail_attribute() { + let src = " #[ test ( should_fail )] "; + let expected = "#[test(should_fail)]"; + assert_format_attribute(src, expected); + } + + #[test] + fn format_test_should_fail_with_reason_attribute() { + let src = " #[ test ( should_fail_with=\"reason\" )] "; + let expected = "#[test(should_fail_with = \"reason\")]"; + assert_format_attribute(src, expected); + } + + #[test] + fn format_multiple_function_attributes() { + let src = " #[foo] #[test] #[bar] "; + let expected = "#[foo]\n#[test]\n#[bar]"; + assert_format_attribute(src, expected); } } diff --git a/noir/noir-repo/tooling/nargo_fmt/src/formatter/buffer.rs b/noir/noir-repo/tooling/nargo_fmt/src/formatter/buffer.rs index e4740311bf6..3e4bebef608 100644 --- a/noir/noir-repo/tooling/nargo_fmt/src/formatter/buffer.rs +++ b/noir/noir-repo/tooling/nargo_fmt/src/formatter/buffer.rs @@ -38,9 +38,10 @@ impl Buffer { } /// Trim spaces from the end of the buffer. - pub(super) fn trim_spaces(&mut self) { + pub(crate) fn trim_spaces(&mut self) { while self.buffer.ends_with(' ') { self.buffer.truncate(self.buffer.len() - 1); + self.current_line_width -= 1; } } @@ -48,6 +49,7 @@ impl Buffer { pub(super) fn trim_comma(&mut self) -> bool { if self.buffer.ends_with(',') { self.buffer.truncate(self.buffer.len() - 1); + self.current_line_width -= 1; true } else { false diff --git a/noir/noir-repo/tooling/nargo_fmt/src/formatter/comments_and_whitespace.rs b/noir/noir-repo/tooling/nargo_fmt/src/formatter/comments_and_whitespace.rs index 547d33348b8..e20eb4291d1 100644 --- a/noir/noir-repo/tooling/nargo_fmt/src/formatter/comments_and_whitespace.rs +++ b/noir/noir-repo/tooling/nargo_fmt/src/formatter/comments_and_whitespace.rs @@ -162,8 +162,7 @@ impl<'a> Formatter<'a> { // will never write two consecutive spaces. self.write_space_without_skipping_whitespace_and_comments(); } - self.write_current_token(); - self.bump(); + self.write_current_token_and_bump(); passed_whitespace = false; last_was_block_comment = true; self.written_comments_count += 1; diff --git a/noir/noir-repo/tooling/nargo_fmt/src/formatter/expression.rs b/noir/noir-repo/tooling/nargo_fmt/src/formatter/expression.rs index 239b52b7d04..0ac4c98bb95 100644 --- a/noir/noir-repo/tooling/nargo_fmt/src/formatter/expression.rs +++ b/noir/noir-repo/tooling/nargo_fmt/src/formatter/expression.rs @@ -382,9 +382,9 @@ impl<'a, 'b> ChunkFormatter<'a, 'b> { formatter.format_type(type_path.typ); formatter.write_token(Token::DoubleColon); formatter.write_identifier(type_path.item); - if !type_path.turbofish.is_empty() { + if let Some(turbofish) = type_path.turbofish { formatter.write_token(Token::DoubleColon); - formatter.format_generic_type_args(type_path.turbofish); + formatter.format_generic_type_args(turbofish); } })); group @@ -1133,11 +1133,15 @@ impl<'a, 'b> ChunkFormatter<'a, 'b> { if count > 0 { // If newlines follow, we first add a line, then add the comment chunk group.lines(count > 1); - group.leading_comment(self.skip_comments_and_whitespace_chunk()); + group.leading_comment(self.chunk(|formatter| { + formatter.skip_comments_and_whitespace_writing_multiple_lines_if_found(); + })); ignore_next = self.ignore_next; } else { // Otherwise, add the comment first as it's a trailing comment - group.trailing_comment(self.skip_comments_and_whitespace_chunk()); + group.trailing_comment(self.chunk(|formatter| { + formatter.skip_comments_and_whitespace_writing_multiple_lines_if_found(); + })); ignore_next = self.ignore_next; group.line(); } @@ -1146,6 +1150,20 @@ impl<'a, 'b> ChunkFormatter<'a, 'b> { self.format_statement(statement, group, ignore_next); } + // See how many newlines follow the last statement + let count = self.following_newlines_count(); + + group.text(self.chunk(|formatter| { + formatter.skip_whitespace(); + })); + + // After skipping whitespace we check if there's a comment. If so, we respect + // how many lines were before that comment. + if count > 0 && matches!(self.token, Token::LineComment(..) | Token::BlockComment(..)) { + group.lines(count > 1); + } + + // Finally format the comment, if any group.text(self.chunk(|formatter| { formatter.skip_comments_and_whitespace(); })); diff --git a/noir/noir-repo/tooling/nargo_fmt/src/formatter/function.rs b/noir/noir-repo/tooling/nargo_fmt/src/formatter/function.rs index 1dc9ead42e0..fd6977df613 100644 --- a/noir/noir-repo/tooling/nargo_fmt/src/formatter/function.rs +++ b/noir/noir-repo/tooling/nargo_fmt/src/formatter/function.rs @@ -3,13 +3,14 @@ use noirc_frontend::{ BlockExpression, FunctionReturnType, Ident, ItemVisibility, NoirFunction, Param, UnresolvedGenerics, UnresolvedTraitConstraint, Visibility, }, - token::{Keyword, Token}, + token::{Attributes, Keyword, Token}, }; use super::Formatter; use crate::chunks::{ChunkGroup, TextChunk}; pub(super) struct FunctionToFormat { + pub(super) attributes: Attributes, pub(super) visibility: ItemVisibility, pub(super) name: Ident, pub(super) generics: UnresolvedGenerics, @@ -23,6 +24,7 @@ pub(super) struct FunctionToFormat { impl<'a> Formatter<'a> { pub(super) fn format_function(&mut self, func: NoirFunction) { self.format_function_impl(FunctionToFormat { + attributes: func.def.attributes, visibility: func.def.visibility, name: func.def.name, generics: func.def.generics, @@ -37,7 +39,7 @@ impl<'a> Formatter<'a> { pub(super) fn format_function_impl(&mut self, func: FunctionToFormat) { let has_where_clause = !func.where_clause.is_empty(); - self.format_attributes(); + self.format_attributes(func.attributes); self.write_indentation(); self.format_function_modifiers(func.visibility); self.write_keyword(Keyword::Fn); @@ -278,16 +280,12 @@ impl<'a> Formatter<'a> { } pub(super) fn format_function_body(&mut self, body: BlockExpression) { - if body.is_empty() { - self.format_empty_block_contents(); - } else { - let mut group = ChunkGroup::new(); - self.chunk_formatter().format_non_empty_block_expression_contents( - body, true, // force multiple lines - &mut group, - ); - self.format_chunk_group(group); - } + let mut group = ChunkGroup::new(); + self.chunk_formatter().format_block_expression_contents( + body, true, // force multiple newlines + &mut group, + ); + self.format_chunk_group(group); } } @@ -535,4 +533,46 @@ fn baz() { let z = 3 ; "; assert_format(src, expected); } + + #[test] + fn comment_in_body_respects_newlines() { + let src = "fn foo() { + let x = 1; + + // comment + + let y = 2; +} +"; + let expected = src; + assert_format(src, expected); + } + + #[test] + fn final_comment_in_body_respects_newlines() { + let src = "fn foo() { + let x = 1; + + let y = 2; + + // comment +} +"; + let expected = src; + assert_format(src, expected); + } + + #[test] + fn initial_comment_in_body_respects_newlines() { + let src = "fn foo() { + // comment + + let x = 1; + + let y = 2; +} +"; + let expected = src; + assert_format(src, expected); + } } diff --git a/noir/noir-repo/tooling/nargo_fmt/src/formatter/item.rs b/noir/noir-repo/tooling/nargo_fmt/src/formatter/item.rs index 77f1cd10cbc..521e476fe71 100644 --- a/noir/noir-repo/tooling/nargo_fmt/src/formatter/item.rs +++ b/noir/noir-repo/tooling/nargo_fmt/src/formatter/item.rs @@ -73,7 +73,7 @@ impl<'a> Formatter<'a> { ItemKind::Submodules(parsed_sub_module) => { self.format_submodule(parsed_sub_module); } - ItemKind::InnerAttribute(..) => self.format_inner_attribute(), + ItemKind::InnerAttribute(attribute) => self.format_secondary_attribute(attribute), } } diff --git a/noir/noir-repo/tooling/nargo_fmt/src/formatter/module.rs b/noir/noir-repo/tooling/nargo_fmt/src/formatter/module.rs index 3df9b7e0c90..e07d22c7586 100644 --- a/noir/noir-repo/tooling/nargo_fmt/src/formatter/module.rs +++ b/noir/noir-repo/tooling/nargo_fmt/src/formatter/module.rs @@ -6,9 +6,7 @@ use super::Formatter; impl<'a> Formatter<'a> { pub(super) fn format_module_declaration(&mut self, module_declaration: ModuleDeclaration) { - if !module_declaration.outer_attributes.is_empty() { - self.format_attributes(); - } + self.format_secondary_attributes(module_declaration.outer_attributes); self.write_indentation(); self.format_item_visibility(module_declaration.visibility); self.write_keyword(Keyword::Mod); @@ -18,9 +16,7 @@ impl<'a> Formatter<'a> { } pub(super) fn format_submodule(&mut self, submodule: ParsedSubModule) { - if !submodule.outer_attributes.is_empty() { - self.format_attributes(); - } + self.format_secondary_attributes(submodule.outer_attributes); self.write_indentation(); self.format_item_visibility(submodule.visibility); if submodule.is_contract { diff --git a/noir/noir-repo/tooling/nargo_fmt/src/formatter/statement.rs b/noir/noir-repo/tooling/nargo_fmt/src/formatter/statement.rs index 28107294909..50c286ff161 100644 --- a/noir/noir-repo/tooling/nargo_fmt/src/formatter/statement.rs +++ b/noir/noir-repo/tooling/nargo_fmt/src/formatter/statement.rs @@ -16,7 +16,15 @@ impl<'a, 'b> ChunkFormatter<'a, 'b> { group: &mut ChunkGroup, mut ignore_next: bool, ) { - group.leading_comment(self.skip_comments_and_whitespace_chunk()); + // First skip any whitespace to avoid writing multiple lines + group.text(self.chunk(|formatter| { + formatter.skip_whitespace(); + })); + + // Now write any leading comment respecting multiple newlines after them + group.leading_comment(self.chunk(|formatter| { + formatter.skip_comments_and_whitespace_writing_multiple_lines_if_found(); + })); ignore_next |= self.ignore_next; @@ -102,9 +110,7 @@ impl<'a, 'b> ChunkFormatter<'a, 'b> { let mut group = ChunkGroup::new(); group.text(self.chunk(|formatter| { - if !attributes.is_empty() { - formatter.format_attributes(); - } + formatter.format_secondary_attributes(attributes); formatter.write_keyword(keyword); formatter.write_space(); formatter.format_pattern(pattern); @@ -692,4 +698,16 @@ mod tests { "; assert_format_with_max_width(src, expected, " a_long_variable = foo(1, 2);".len() - 1); } + + #[test] + fn long_let_preceded_by_two_newlines() { + let src = "fn foo() { + let y = 0; + + let x = 123456; +} +"; + let expected = src; + assert_format_with_max_width(src, expected, " let x = 123456;".len()); + } } diff --git a/noir/noir-repo/tooling/nargo_fmt/src/formatter/structs.rs b/noir/noir-repo/tooling/nargo_fmt/src/formatter/structs.rs index 54bfc88264d..c26ab552f30 100644 --- a/noir/noir-repo/tooling/nargo_fmt/src/formatter/structs.rs +++ b/noir/noir-repo/tooling/nargo_fmt/src/formatter/structs.rs @@ -8,9 +8,7 @@ use crate::chunks::ChunkGroup; impl<'a> Formatter<'a> { pub(super) fn format_struct(&mut self, noir_struct: NoirStruct) { - if !noir_struct.attributes.is_empty() { - self.format_attributes(); - } + self.format_secondary_attributes(noir_struct.attributes); self.write_indentation(); self.format_item_visibility(noir_struct.visibility); self.write_keyword(Keyword::Struct); diff --git a/noir/noir-repo/tooling/nargo_fmt/src/formatter/traits.rs b/noir/noir-repo/tooling/nargo_fmt/src/formatter/traits.rs index 1379596b483..9a6b84c6537 100644 --- a/noir/noir-repo/tooling/nargo_fmt/src/formatter/traits.rs +++ b/noir/noir-repo/tooling/nargo_fmt/src/formatter/traits.rs @@ -1,15 +1,13 @@ use noirc_frontend::{ ast::{NoirTrait, Param, Pattern, TraitItem, Visibility}, - token::{Keyword, Token}, + token::{Attributes, Keyword, Token}, }; use super::{function::FunctionToFormat, Formatter}; impl<'a> Formatter<'a> { pub(super) fn format_trait(&mut self, noir_trait: NoirTrait) { - if !noir_trait.attributes.is_empty() { - self.format_attributes(); - } + self.format_secondary_attributes(noir_trait.attributes); self.write_indentation(); self.format_item_visibility(noir_trait.visibility); self.write_keyword(Keyword::Trait); @@ -91,6 +89,7 @@ impl<'a> Formatter<'a> { .collect(); let func = FunctionToFormat { + attributes: Attributes::empty(), visibility, name, generics, diff --git a/noir/noir-repo/tooling/nargo_fmt/src/formatter/type_expression.rs b/noir/noir-repo/tooling/nargo_fmt/src/formatter/type_expression.rs index 87ba1430f10..95b0c045156 100644 --- a/noir/noir-repo/tooling/nargo_fmt/src/formatter/type_expression.rs +++ b/noir/noir-repo/tooling/nargo_fmt/src/formatter/type_expression.rs @@ -14,14 +14,12 @@ impl<'a> Formatter<'a> { match type_expr { UnresolvedTypeExpression::Variable(path) => self.format_path(path), UnresolvedTypeExpression::Constant(..) => { - self.write_current_token(); - self.bump(); + self.write_current_token_and_bump(); } UnresolvedTypeExpression::BinaryOperation(lhs, _operator, rhs, _span) => { self.format_type_expression(*lhs); self.write_space(); - self.write_current_token(); - self.bump(); + self.write_current_token_and_bump(); self.write_space(); self.format_type_expression(*rhs); } diff --git a/noir/noir-repo/tooling/nargo_fmt/src/formatter/types.rs b/noir/noir-repo/tooling/nargo_fmt/src/formatter/types.rs index d2b5c4ab793..e52704ddaa7 100644 --- a/noir/noir-repo/tooling/nargo_fmt/src/formatter/types.rs +++ b/noir/noir-repo/tooling/nargo_fmt/src/formatter/types.rs @@ -18,8 +18,7 @@ impl<'a> Formatter<'a> { self.write_keyword(Keyword::Bool); } UnresolvedTypeData::Integer(..) | UnresolvedTypeData::FieldElement => { - self.write_current_token(); - self.bump(); + self.write_current_token_and_bump(); } UnresolvedTypeData::Array(type_expr, typ) => { self.write_left_bracket(); @@ -145,8 +144,7 @@ impl<'a> Formatter<'a> { } } UnresolvedTypeData::Quoted(..) => { - self.write_current_token(); - self.bump(); + self.write_current_token_and_bump(); } UnresolvedTypeData::AsTraitPath(as_trait_path) => { self.format_as_trait_path(*as_trait_path); diff --git a/noir/noir-repo/tooling/nargo_fmt/src/formatter/visibility.rs b/noir/noir-repo/tooling/nargo_fmt/src/formatter/visibility.rs index d1068aa4d05..27441b977bb 100644 --- a/noir/noir-repo/tooling/nargo_fmt/src/formatter/visibility.rs +++ b/noir/noir-repo/tooling/nargo_fmt/src/formatter/visibility.rs @@ -37,8 +37,7 @@ impl<'a> Formatter<'a> { self.write_keyword(Keyword::CallData); self.write_left_paren(); self.skip_comments_and_whitespace(); - self.write_current_token(); - self.bump(); + self.write_current_token_and_bump(); self.skip_comments_and_whitespace(); self.write_right_paren(); self.write_space(); diff --git a/noir/noir-repo/tooling/nargo_fmt/tests/expected/parens.nr b/noir/noir-repo/tooling/nargo_fmt/tests/expected/parens.nr index 5ff0acf7330..2eaf3838ed6 100644 --- a/noir/noir-repo/tooling/nargo_fmt/tests/expected/parens.nr +++ b/noir/noir-repo/tooling/nargo_fmt/tests/expected/parens.nr @@ -25,6 +25,7 @@ fn main(x: u64, y: pub u64) { ( /*a*/ + ( // test 1 diff --git a/noir/noir-repo/tooling/noir_codegen/package.json b/noir/noir-repo/tooling/noir_codegen/package.json index d6bd8ac18c9..7ec8ba3df64 100644 --- a/noir/noir-repo/tooling/noir_codegen/package.json +++ b/noir/noir-repo/tooling/noir_codegen/package.json @@ -3,7 +3,7 @@ "contributors": [ "The Noir Team " ], - "version": "0.36.0", + "version": "0.38.0", "packageManager": "yarn@3.5.1", "license": "(MIT OR Apache-2.0)", "type": "module", diff --git a/noir/noir-repo/tooling/noir_js/package.json b/noir/noir-repo/tooling/noir_js/package.json index fb970ecf1fe..a3e5777c3d3 100644 --- a/noir/noir-repo/tooling/noir_js/package.json +++ b/noir/noir-repo/tooling/noir_js/package.json @@ -3,7 +3,7 @@ "contributors": [ "The Noir Team " ], - "version": "0.36.0", + "version": "0.38.0", "packageManager": "yarn@3.5.1", "license": "(MIT OR Apache-2.0)", "type": "module", diff --git a/noir/noir-repo/tooling/noir_js_types/package.json b/noir/noir-repo/tooling/noir_js_types/package.json index 7c4d9910289..0eeb900253a 100644 --- a/noir/noir-repo/tooling/noir_js_types/package.json +++ b/noir/noir-repo/tooling/noir_js_types/package.json @@ -4,7 +4,7 @@ "The Noir Team " ], "packageManager": "yarn@3.5.1", - "version": "0.36.0", + "version": "0.38.0", "license": "(MIT OR Apache-2.0)", "homepage": "https://noir-lang.org/", "repository": { diff --git a/noir/noir-repo/tooling/noirc_abi_wasm/build.sh b/noir/noir-repo/tooling/noirc_abi_wasm/build.sh index c07d2d8a4c1..16fb26e55db 100755 --- a/noir/noir-repo/tooling/noirc_abi_wasm/build.sh +++ b/noir/noir-repo/tooling/noirc_abi_wasm/build.sh @@ -25,7 +25,7 @@ function run_if_available { require_command jq require_command cargo require_command wasm-bindgen -#require_command wasm-opt +require_command wasm-opt self_path=$(dirname "$(readlink -f "$0")") pname=$(cargo read-manifest | jq -r '.name') diff --git a/noir/noir-repo/tooling/noirc_abi_wasm/package.json b/noir/noir-repo/tooling/noirc_abi_wasm/package.json index 89a1abc4232..ff121326d1a 100644 --- a/noir/noir-repo/tooling/noirc_abi_wasm/package.json +++ b/noir/noir-repo/tooling/noirc_abi_wasm/package.json @@ -3,7 +3,7 @@ "contributors": [ "The Noir Team " ], - "version": "0.36.0", + "version": "0.38.0", "license": "(MIT OR Apache-2.0)", "homepage": "https://noir-lang.org/", "repository": { diff --git a/noir/noir-repo/tooling/noirc_artifacts/src/debug.rs b/noir/noir-repo/tooling/noirc_artifacts/src/debug.rs index 8e2add70ae7..5c47f1f2652 100644 --- a/noir/noir-repo/tooling/noirc_artifacts/src/debug.rs +++ b/noir/noir-repo/tooling/noirc_artifacts/src/debug.rs @@ -264,6 +264,7 @@ mod tests { BTreeMap::default(), BTreeMap::default(), BTreeMap::default(), + BTreeMap::default(), )]; let debug_artifact = DebugArtifact::new(debug_symbols, &fm); diff --git a/noir/noir-repo/tooling/profiler/Cargo.toml b/noir/noir-repo/tooling/profiler/Cargo.toml index c76b4c73e65..604208b5a54 100644 --- a/noir/noir-repo/tooling/profiler/Cargo.toml +++ b/noir/noir-repo/tooling/profiler/Cargo.toml @@ -33,6 +33,7 @@ acir.workspace = true nargo.workspace = true noirc_errors.workspace = true noirc_abi.workspace = true +noirc_evaluator.workspace = true # Logs tracing-subscriber.workspace = true diff --git a/noir/noir-repo/tooling/profiler/src/flamegraph.rs b/noir/noir-repo/tooling/profiler/src/flamegraph.rs index a72168a20af..7882ac903ef 100644 --- a/noir/noir-repo/tooling/profiler/src/flamegraph.rs +++ b/noir/noir-repo/tooling/profiler/src/flamegraph.rs @@ -11,6 +11,7 @@ use inferno::flamegraph::{from_lines, Options, TextTruncateDirection}; use noirc_errors::debug_info::DebugInfo; use noirc_errors::reporter::line_and_column_from_span; use noirc_errors::Location; +use noirc_evaluator::brillig::ProcedureId; use crate::opcode_formatter::AcirOrBrilligOpcode; @@ -111,6 +112,7 @@ fn generate_folded_sorted_lines<'files, F: AcirField>( if let Some(opcode) = &sample.opcode { location_names.push(format_opcode(opcode)); } + add_locations_to_folded_stack_items(&mut folded_stack_items, location_names, sample.count); } @@ -123,10 +125,20 @@ fn find_callsite_labels<'files>( brillig_function_id: Option, files: &'files impl Files<'files, FileId = fm::FileId>, ) -> Vec { + let mut procedure_id = None; let source_locations = debug_symbols.opcode_location(opcode_location).unwrap_or_else(|| { if let (Some(brillig_function_id), Some(brillig_location)) = (brillig_function_id, opcode_location.to_brillig_location()) { + let procedure_locs = debug_symbols.brillig_procedure_locs.get(&brillig_function_id); + if let Some(procedure_locs) = procedure_locs { + for (procedure, range) in procedure_locs.iter() { + if brillig_location.0 >= range.0 && brillig_location.0 <= range.1 { + procedure_id = Some(*procedure); + break; + } + } + } let brillig_locations = debug_symbols.brillig_locations.get(&brillig_function_id); if let Some(brillig_locations) = brillig_locations { brillig_locations.get(&brillig_location).cloned().unwrap_or_default() @@ -137,10 +149,16 @@ fn find_callsite_labels<'files>( vec![] } }); - let callsite_labels: Vec<_> = source_locations + + let mut callsite_labels: Vec<_> = source_locations .into_iter() .map(|location| location_to_callsite_label(location, files)) .collect(); + + if let Some(procedure_id) = procedure_id { + callsite_labels.push(format!("procedure::{}", ProcedureId::from_debug_id(procedure_id))); + } + callsite_labels } @@ -317,6 +335,7 @@ mod tests { BTreeMap::default(), BTreeMap::default(), BTreeMap::default(), + BTreeMap::default(), ); let samples: Vec> = vec![ diff --git a/noir/noir-repo/yarn.lock b/noir/noir-repo/yarn.lock index 03cea21026e..748a6d18ecb 100644 --- a/noir/noir-repo/yarn.lock +++ b/noir/noir-repo/yarn.lock @@ -221,9 +221,9 @@ __metadata: languageName: node linkType: hard -"@aztec/bb.js@portal:../../../../barretenberg/ts::locator=integration-tests%40workspace%3Acompiler%2Fintegration-tests": - version: 0.0.0-use.local - resolution: "@aztec/bb.js@portal:../../../../barretenberg/ts::locator=integration-tests%40workspace%3Acompiler%2Fintegration-tests" +"@aztec/bb.js@npm:0.61.0": + version: 0.61.0 + resolution: "@aztec/bb.js@npm:0.61.0" dependencies: comlink: ^4.4.1 commander: ^10.0.1 @@ -231,9 +231,10 @@ __metadata: fflate: ^0.8.0 tslib: ^2.4.0 bin: - bb.js: ./dest/node/main.js + bb.js: dest/node/main.js + checksum: db544eeb1378e121554fda7c5b0161aa5b8ed92217eb47740e1c0d68d423084e05c5136acb75720cb39ef9f79aff9ac1d3037be86837d2e2a8d02ff500e175ae languageName: node - linkType: soft + linkType: hard "@babel/code-frame@npm:^7.0.0, @babel/code-frame@npm:^7.10.4, @babel/code-frame@npm:^7.12.11, @babel/code-frame@npm:^7.16.0, @babel/code-frame@npm:^7.22.13, @babel/code-frame@npm:^7.23.5, @babel/code-frame@npm:^7.8.3": version: 7.23.5 @@ -14122,7 +14123,7 @@ __metadata: version: 0.0.0-use.local resolution: "integration-tests@workspace:compiler/integration-tests" dependencies: - "@aztec/bb.js": "portal:../../../../barretenberg/ts" + "@aztec/bb.js": 0.61.0 "@noir-lang/noir_js": "workspace:*" "@noir-lang/noir_wasm": "workspace:*" "@nomicfoundation/hardhat-chai-matchers": ^2.0.0