chore: Remove single block proving

l1-contracts/src/core/Rollup.sol

@@ -60,7 +60,7 @@ contract Rollup is Leonidas, IRollup, ITestRollup {
   IProofCommitmentEscrow public immutable PROOF_COMMITMENT_ESCROW;
   uint256 public immutable VERSION;
   IFeeJuicePortal public immutable FEE_JUICE_PORTAL;
-  IVerifier public blockProofVerifier;
+  IVerifier public epochProofVerifier;
 
   ChainTips public tips;
   DataStructures.EpochProofClaim public proofClaim;
@@ -78,17 +78,12 @@ contract Rollup is Leonidas, IRollup, ITestRollup {
   //        Testing only. This should be removed eventually.
   uint256 private assumeProvenThroughBlockNumber;
 
-  // Listed at the end of the contract to avoid changing storage slots
-  // TODO(palla/prover) Drop blockProofVerifier and move this verifier to that slot
-  IVerifier public epochProofVerifier;
-
   constructor(
     IFeeJuicePortal _fpcJuicePortal,
     bytes32 _vkTreeRoot,
     address _ares,
     address[] memory _validators
   ) Leonidas(_ares) {
-    blockProofVerifier = new MockVerifier();
     epochProofVerifier = new MockVerifier();
     FEE_JUICE_PORTAL = _fpcJuicePortal;
     PROOF_COMMITMENT_ESCROW = new MockProofCommitmentEscrow();
@@ -138,17 +133,6 @@ contract Rollup is Leonidas, IRollup, ITestRollup {
     assumeProvenThroughBlockNumber = blockNumber;
   }
 
-  /**
-   * @notice  Set the verifier contract
-   *
-   * @dev     This is only needed for testing, and should be removed
-   *
-   * @param _verifier - The new verifier contract
-   */
-  function setBlockVerifier(address _verifier) external override(ITestRollup) onlyOwner {
-    blockProofVerifier = IVerifier(_verifier);
-  }
-
   /**
    * @notice  Set the verifier contract
    *
@@ -194,147 +178,6 @@ contract Rollup is Leonidas, IRollup, ITestRollup {
     claimEpochProofRight(_quote);
   }
 
-  /**
-   * @notice  Submit a proof for a block in the pending chain
-   *
-   * @dev     TODO(#7346): Verify root proofs rather than block root when batch rollups are integrated.
-   *
-   * @dev     Will emit `L2ProofVerified` if the proof is valid
-   *
-   * @dev     Will throw if:
-   *          - The block number is past the pending chain
-   *          - The last archive root of the header does not match the archive root of parent block
-   *          - The archive root of the header does not match the archive root of the proposed block
-   *          - The proof is invalid
-   *
-   * @dev     We provide the `_archive` even if it could be read from storage itself because it allow for
-   *          better error messages. Without passing it, we would just have a proof verification failure.
-   *
-   * @dev     Following the `BlockLog` struct assumption
-   *
-   * @param  _header - The header of the block (should match the block in the pending chain)
-   * @param  _archive - The archive root of the block (should match the block in the pending chain)
-   * @param  _proverId - The id of this block's prover
-   * @param  _aggregationObject - The aggregation object for the proof
-   * @param  _proof - The proof to verify
-   */
-  function submitBlockRootProof(
-    bytes calldata _header,
-    bytes32 _archive,
-    bytes32 _proverId,
-    bytes calldata _aggregationObject,
-    bytes calldata _proof
-  ) external override(IRollup) {
-    if (_canPrune()) {
-      _prune();
-    }
-    HeaderLib.Header memory header = HeaderLib.decode(_header);
-
-    if (header.globalVariables.blockNumber > tips.pendingBlockNumber) {
-      revert Errors.Rollup__TryingToProveNonExistingBlock();
-    }
-
-    // @note  This implicitly also ensures that we have not already proven, since
-    //        the value `tips.provenBlockNumber` is incremented at the end of this function
-    if (header.globalVariables.blockNumber != tips.provenBlockNumber + 1) {
-      revert Errors.Rollup__NonSequentialProving();
-    }
-
-    bytes32 expectedLastArchive = blocks[header.globalVariables.blockNumber - 1].archive;
-    // We do it this way to provide better error messages than passing along the storage values
-    if (header.lastArchive.root != expectedLastArchive) {
-      revert Errors.Rollup__InvalidArchive(expectedLastArchive, header.lastArchive.root);
-    }
-
-    bytes32 expectedArchive = blocks[header.globalVariables.blockNumber].archive;
-    if (_archive != expectedArchive) {
-      revert Errors.Rollup__InvalidProposedArchive(expectedArchive, _archive);
-    }
-
-    // TODO(#7346): Currently verifying block root proofs until batch rollups fully integrated.
-    // Hence the below pub inputs are BlockRootOrBlockMergePublicInputs, which are larger than
-    // the planned set (RootRollupPublicInputs), for the interim.
-    // Public inputs are not fully verified (TODO(#7373))
-
-    bytes32[] memory publicInputs = new bytes32[](
-      Constants.BLOCK_ROOT_OR_BLOCK_MERGE_PUBLIC_INPUTS_LENGTH + Constants.AGGREGATION_OBJECT_LENGTH
-    );
-
-    // From block_root_or_block_merge_public_inputs.nr: BlockRootOrBlockMergePublicInputs.
-    // previous_archive.root: the previous archive tree root
-    publicInputs[0] = expectedLastArchive;
-    // previous_archive.next_available_leaf_index: the previous archive next available index
-    publicInputs[1] = bytes32(header.globalVariables.blockNumber);
-
-    // new_archive.root: the new archive tree root
-    publicInputs[2] = expectedArchive;
-    // this is the _next_ available leaf in the archive tree
-    // normally this should be equal to the block number (since leaves are 0-indexed and blocks 1-indexed)
-    // but in yarn-project/merkle-tree/src/new_tree.ts we prefill the tree so that block N is in leaf N
-    // new_archive.next_available_leaf_index: the new archive next available index
-    publicInputs[3] = bytes32(header.globalVariables.blockNumber + 1);
-
-    // previous_block_hash: the block hash just preceding this block (will eventually become the end_block_hash of the prev batch)
-    publicInputs[4] = blocks[header.globalVariables.blockNumber - 1].blockHash;
-
-    // end_block_hash: the current block hash (will eventually become the hash of the final block proven in a batch)
-    publicInputs[5] = blocks[header.globalVariables.blockNumber].blockHash;
-
-    // For block root proof outputs, we have a block 'range' of just 1 block => start and end globals are the same
-    bytes32[] memory globalVariablesFields = HeaderLib.toFields(header.globalVariables);
-    for (uint256 i = 0; i < globalVariablesFields.length; i++) {
-      // start_global_variables
-      publicInputs[i + 6] = globalVariablesFields[i];
-      // end_global_variables
-      publicInputs[globalVariablesFields.length + i + 6] = globalVariablesFields[i];
-    }
-    // out_hash: root of this block's l2 to l1 message tree (will eventually be root of roots)
-    publicInputs[24] = header.contentCommitment.outHash;
-
-    // For block root proof outputs, we have a single recipient-value fee payment pair,
-    // but the struct contains space for the max (32) => we keep 31*2=62 fields blank to represent it.
-    // fees: array of recipient-value pairs, for a single block just one entry (will eventually be filled and paid out here)
-    publicInputs[25] = bytes32(uint256(uint160(header.globalVariables.coinbase)));
-    publicInputs[26] = bytes32(header.totalFees);
-    // publicInputs[27] -> publicInputs[88] left blank for empty fee array entries
-
-    // vk_tree_root
-    publicInputs[89] = vkTreeRoot;
-    // prover_id: id of current block range's prover
-    publicInputs[90] = _proverId;
-
-    // the block proof is recursive, which means it comes with an aggregation object
-    // this snippet copies it into the public inputs needed for verification
-    // it also guards against empty _aggregationObject used with mocked proofs
-    uint256 aggregationLength = _aggregationObject.length / 32;
-    for (uint256 i = 0; i < Constants.AGGREGATION_OBJECT_LENGTH && i < aggregationLength; i++) {
-      bytes32 part;
-      assembly {
-        part := calldataload(add(_aggregationObject.offset, mul(i, 32)))
-      }
-      publicInputs[i + 91] = part;
-    }
-
-    if (!blockProofVerifier.verify(_proof, publicInputs)) {
-      revert Errors.Rollup__InvalidProof();
-    }
-
-    tips.provenBlockNumber = header.globalVariables.blockNumber;
-
-    for (uint256 i = 0; i < 32; i++) {
-      address coinbase = address(uint160(uint256(publicInputs[25 + i * 2])));
-      uint256 fees = uint256(publicInputs[26 + i * 2]);
-
-      if (coinbase != address(0) && fees > 0) {
-        // @note  This will currently fail if there are insufficient funds in the bridge
-        //        which WILL happen for the old version after an upgrade where the bridge follow.
-        //        Consider allowing a failure. See #7938.
-        FEE_JUICE_PORTAL.distributeFees(coinbase, fees);
-      }
-    }
-    emit L2ProofVerified(header.globalVariables.blockNumber, _proverId);
-  }
-
   /**
    * @notice  Submit a proof for an epoch in the pending chain
    *

l1-contracts/src/core/interfaces/IRollup.sol

@@ -11,7 +11,6 @@ import {DataStructures} from "@aztec/core/libraries/DataStructures.sol";
 import {Timestamp, Slot, Epoch} from "@aztec/core/libraries/TimeMath.sol";
 
 interface ITestRollup {
-  function setBlockVerifier(address _verifier) external;
   function setEpochVerifier(address _verifier) external;
   function setVkTreeRoot(bytes32 _vkTreeRoot) external;
   function setAssumeProvenThroughBlockNumber(uint256 blockNumber) external;
@@ -52,14 +51,6 @@ interface IRollup {
     DataStructures.SignedEpochProofQuote calldata _quote
   ) external;
 
-  function submitBlockRootProof(
-    bytes calldata _header,
-    bytes32 _archive,
-    bytes32 _proverId,
-    bytes calldata _aggregationObject,
-    bytes calldata _proof
-  ) external;
-
   function submitEpochRootProof(
     uint256 _epochSize,
     bytes32[7] calldata _args,
@@ -100,18 +91,6 @@ interface IRollup {
       Epoch provenEpochNumber
     );
 
-  // TODO(#7346): Integrate batch rollups
-  // function submitRootProof(
-  //   bytes32 _previousArchive,
-  //   bytes32 _archive,
-  //   bytes32 outHash,
-  //   address[32] calldata coinbases,
-  //   uint256[32] calldata fees,
-  //   bytes32 _proverId,
-  //   bytes calldata _aggregationObject,
-  //   bytes calldata _proof
-  // ) external;
-
   function archive() external view returns (bytes32);
   function archiveAt(uint256 _blockNumber) external view returns (bytes32);
   function getProvenBlockNumber() external view returns (uint256);

l1-contracts/src/core/libraries/ConstantsGen.sol

@@ -94,7 +94,6 @@ library Constants {
   uint256 internal constant BLOCK_MERGE_ROLLUP_INDEX = 23;
   uint256 internal constant ROOT_ROLLUP_INDEX = 24;
   uint256 internal constant BLOCK_ROOT_ROLLUP_EMPTY_INDEX = 25;
-  uint256 internal constant BLOCK_ROOT_ROLLUP_FINAL_INDEX = 26;
   uint256 internal constant FUNCTION_SELECTOR_NUM_BYTES = 4;
   uint256 internal constant INITIALIZATION_SLOT_SEPARATOR = 1000000000;
   uint256 internal constant INITIAL_L2_BLOCK_NUM = 1;

noir-projects/noir-protocol-circuits/Nargo.template.toml

@@ -35,6 +35,5 @@ members = [
     "crates/rollup-block-merge",
     "crates/rollup-block-root",
     "crates/rollup-block-root-empty",
-    "crates/rollup-block-root-final",
     "crates/rollup-root",
 ]

noir-projects/noir-protocol-circuits/crates/types/src/constants.nr

@@ -120,7 +120,6 @@ global BLOCK_ROOT_ROLLUP_INDEX: u32 = 22;
 global BLOCK_MERGE_ROLLUP_INDEX: u32 = 23;
 global ROOT_ROLLUP_INDEX: u32 = 24;
 global BLOCK_ROOT_ROLLUP_EMPTY_INDEX: u32 = 25;
-global BLOCK_ROOT_ROLLUP_FINAL_INDEX: u32 = 26;
 
 // MISC CONSTANTS
 global FUNCTION_SELECTOR_NUM_BYTES: Field = 4;

noir-projects/noir-protocol-circuits/crates/types/src/tests/fixtures/vk_tree.nr

@@ -5,8 +5,7 @@ use crate::constants::{
     EMPTY_NESTED_INDEX, PRIVATE_KERNEL_EMPTY_INDEX, PUBLIC_KERNEL_INNER_INDEX,
     PUBLIC_KERNEL_MERGE_INDEX, PUBLIC_KERNEL_TAIL_INDEX, BASE_PARITY_INDEX, ROOT_PARITY_INDEX,
     BASE_ROLLUP_INDEX, MERGE_ROLLUP_INDEX, BLOCK_ROOT_ROLLUP_INDEX, BLOCK_MERGE_ROLLUP_INDEX,
-    ROOT_ROLLUP_INDEX, PRIVATE_KERNEL_RESET_TINY_INDEX, BLOCK_ROOT_ROLLUP_EMPTY_INDEX,
-    BLOCK_ROOT_ROLLUP_FINAL_INDEX
+    ROOT_ROLLUP_INDEX, PRIVATE_KERNEL_RESET_TINY_INDEX, BLOCK_ROOT_ROLLUP_EMPTY_INDEX
 };
 use crate::merkle_tree::merkle_tree::MerkleTree;
 
@@ -43,7 +42,6 @@ pub fn get_vk_merkle_tree() -> MerkleTree<VK_TREE_WIDTH> {
     leaves[BLOCK_MERGE_ROLLUP_INDEX] = 23;
     leaves[ROOT_ROLLUP_INDEX] = 24;
     leaves[BLOCK_ROOT_ROLLUP_EMPTY_INDEX] = 25;
-    leaves[BLOCK_ROOT_ROLLUP_FINAL_INDEX] = 26;
 
     MerkleTree::new(leaves)
 }

yarn-project/archiver/src/archiver/data_retrieval.ts

@@ -239,7 +239,7 @@ export async function retrieveL2ProofsFromRollup(
   const lastProcessedL1BlockNumber = logs.length > 0 ? logs.at(-1)!.l1BlockNumber : searchStartBlock - 1n;
 
   for (const { txHash, proverId, l2BlockNumber } of logs) {
-    const proofData = await getProofFromSubmitProofTx(publicClient, txHash, l2BlockNumber, proverId);
+    const proofData = await getProofFromSubmitProofTx(publicClient, txHash, proverId);
     retrievedData.push({ proof: proofData.proof, proverId: proofData.proverId, l2BlockNumber, txHash });
   }
   return {
@@ -267,31 +267,17 @@ export type SubmitBlockProof = {
 export async function getProofFromSubmitProofTx(
   publicClient: PublicClient,
   txHash: `0x${string}`,
-  l2BlockNum: bigint,
   expectedProverId: Fr,
 ): Promise<SubmitBlockProof> {
   const { input: data } = await publicClient.getTransaction({ hash: txHash });
   const { functionName, args } = decodeFunctionData({ abi: RollupAbi, data });
 
   let proverId: Fr;
-  let blockNumber: bigint;
   let archiveRoot: Fr;
   let aggregationObject: Buffer;
   let proof: Proof;
 
-  if (functionName === 'submitBlockRootProof') {
-    const [headerHex, archiveHex, proverIdHex, aggregationObjectHex, proofHex] = args!;
-    const header = Header.fromBuffer(Buffer.from(hexToBytes(headerHex)));
-    aggregationObject = Buffer.from(hexToBytes(aggregationObjectHex));
-    proverId = Fr.fromString(proverIdHex);
-    proof = Proof.fromBuffer(Buffer.from(hexToBytes(proofHex)));
-    archiveRoot = Fr.fromString(archiveHex);
-
-    blockNumber = header.globalVariables.blockNumber.toBigInt();
-    if (blockNumber !== l2BlockNum) {
-      throw new Error(`Block number mismatch: expected ${l2BlockNum} but got ${blockNumber}`);
-    }
-  } else if (functionName === 'submitEpochRootProof') {
+  if (functionName === 'submitEpochRootProof') {
     const [_epochSize, nestedArgs, _fees, aggregationObjectHex, proofHex] = args!;
     aggregationObject = Buffer.from(hexToBytes(aggregationObjectHex));
     proverId = Fr.fromString(nestedArgs[6]);

yarn-project/bb-prover/src/honk.ts

@@ -2,10 +2,7 @@ import { type ProtocolArtifact } from '@aztec/noir-protocol-circuits-types';
 
 export type UltraHonkFlavor = 'ultra_honk' | 'ultra_keccak_honk';
 
-const UltraKeccakHonkCircuits = [
-  'BlockRootRollupFinalArtifact',
-  'RootRollupArtifact',
-] as const satisfies ProtocolArtifact[];
+const UltraKeccakHonkCircuits = ['RootRollupArtifact'] as const satisfies ProtocolArtifact[];
 export type UltraKeccakHonkProtocolArtifact = (typeof UltraKeccakHonkCircuits)[number];
 export type UltraHonkProtocolArtifact = Exclude<ProtocolArtifact, UltraKeccakHonkProtocolArtifact>;
 

yarn-project/bb-prover/src/prover/bb_prover.ts

@@ -406,32 +406,6 @@ export class BBNativeRollupProver implements ServerCircuitProver {
     return makePublicInputsAndRecursiveProof(circuitOutput, proof, verificationKey);
   }
 
-  /**
-   * Simulates the block root rollup circuit from its inputs.
-   * Returns a non-recursive proof to verify on L1.
-   * @dev TODO(palla/prover): This is a temporary workaround to get the proof to L1 with the old block flow.
-   * @param input - Inputs to the circuit.
-   * @returns The public inputs as outputs of the simulation.
-   */
-  public async getBlockRootRollupFinalProof(
-    input: BlockRootRollupInputs,
-  ): Promise<PublicInputsAndRecursiveProof<BlockRootOrBlockMergePublicInputs>> {
-    const { circuitOutput, proof } = await this.createProof(
-      input,
-      'BlockRootRollupFinalArtifact',
-      convertBlockRootRollupInputsToWitnessMap,
-      convertBlockRootRollupOutputsFromWitnessMap,
-    );
-
-    const recursiveProof = makeRecursiveProofFromBinary(proof, NESTED_RECURSIVE_PROOF_LENGTH);
-
-    const verificationKey = await this.getVerificationKeyDataForCircuit('BlockRootRollupFinalArtifact');
-
-    await this.verifyProof('BlockRootRollupFinalArtifact', proof);
-
-    return makePublicInputsAndRecursiveProof(circuitOutput, recursiveProof, verificationKey);
-  }
-
   /**
    * Simulates the block merge rollup circuit from its inputs.
    * @param input - Inputs to the circuit.

yarn-project/bb-prover/src/stats.ts

@@ -51,8 +51,6 @@ export function mapProtocolArtifactNameToCircuitName(
       return 'empty-nested';
     case 'PrivateKernelEmptyArtifact':
       return 'private-kernel-empty';
-    case 'BlockRootRollupFinalArtifact':
-      return 'block-root-rollup-final';
     default: {
       const _foo: never = artifact;
       throw new Error(`Unknown circuit type: ${artifact}`);