Added new empty shell runtime for BridgeHubPolkadot (without bridging stuff) for onboarding parachain on Polkadot

.github/workflows/release-30_create-draft.yml

@@ -50,6 +50,8 @@ jobs:
             runtime: statemint
           - category: assets
             runtime: westmint
+          - category: bridge-hubs
+            runtime: bridge-hub-polkadot
           - category: bridge-hubs
             runtime: bridge-hub-kusama
           - category: bridge-hubs
@@ -156,6 +158,7 @@ jobs:
           STATEMINT_DIGEST: ${{ github.workspace}}/statemint-srtool-json/statemint-srtool-digest.json
           BRIDGE_HUB_ROCOCO_DIGEST: ${{ github.workspace}}/bridge-hub-rococo-srtool-json/bridge-hub-rococo-srtool-digest.json
           BRIDGE_HUB_KUSAMA_DIGEST: ${{ github.workspace}}/bridge-hub-kusama-srtool-json/bridge-hub-kusama-srtool-digest.json
+          BRIDGE_HUB_POLKADOT_DIGEST: ${{ github.workspace}}/bridge-hub-polkadot-srtool-json/bridge-hub-polkadot-srtool-digest.json
           COLLECTIVES_POLKADOT_DIGEST: ${{ github.workspace}}/collectives-polkadot-srtool-json/collectives-polkadot-srtool-digest.json
           ROCOCO_PARA_DIGEST: ${{ github.workspace}}/rococo-parachain-srtool-json/rococo-parachain-srtool-digest.json
           CANVAS_KUSAMA_DIGEST: ${{ github.workspace}}/contracts-rococo-srtool-json/contracts-rococo-srtool-digest.json
@@ -173,6 +176,7 @@ jobs:
             ls -al $STATEMINT_DIGEST || true
             ls -al $BRIDGE_HUB_ROCOCO_DIGEST || true
             ls -al $BRIDGE_HUB_KUSAMA_DIGEST || true
+            ls -al $BRIDGE_HUB_POLKADOT_DIGEST || true
             ls -al $COLLECTIVES_POLKADOT_DIGEST || true
             ls -al $ROCOCO_PARA_DIGEST || true
             ls -al $CANVAS_KUSAMA_DIGEST || true
@@ -224,6 +228,8 @@ jobs:
             runtime: statemint
           - category: assets
             runtime: westmint
+          - category: bridge-hubs
+            runtime: bridge-hub-polkadot
           - category: bridge-hubs
             runtime: bridge-hub-kusama
           - category: bridge-hubs

.github/workflows/srtool.yml

@@ -37,6 +37,8 @@ jobs:
             runtime: statemint
           - category: assets
             runtime: westmint
+          - category: bridge-hubs
+            runtime: bridge-hub-polkadot
           - category: bridge-hubs
             runtime: bridge-hub-kusama
           - category: bridge-hubs

Cargo.toml

@@ -40,6 +40,7 @@ members = [
 	"parachains/runtimes/assets/westmint",
 	"parachains/runtimes/bridge-hubs/bridge-hub-rococo",
 	"parachains/runtimes/bridge-hubs/bridge-hub-kusama",
+	"parachains/runtimes/bridge-hubs/bridge-hub-polkadot",
 	"parachains/runtimes/collectives/collectives-polkadot",
 	"parachains/runtimes/contracts/contracts-rococo",
 	"parachains/runtimes/testing/penpal",

parachains/runtimes/bridge-hubs/README.md

@@ -20,7 +20,7 @@ cd <base-cumulus-repo-directory>
 cargo build --release -p [email protected]
 
 # script expect to have pre-built polkadot binary on the path: ../polkadot/target/release/polkadot
-# if using kusama-local, build polkadot with `--features fast-runtime`
+# if using `kusama-local` / `polkadot-local`, build polkadot with `--features fast-runtime`
 
 # BridgeHubRococo
 zombienet-linux --provider native spawn ./zombienet/examples/bridge_hub_rococo_local_network.toml
@@ -29,4 +29,9 @@ zombienet-linux --provider native spawn ./zombienet/examples/bridge_hub_rococo_l
 
 # BridgeHubKusama
 zombienet-linux --provider native spawn ./zombienet/examples/bridge_hub_kusama_local_network.toml
+
+or
+
+# BridgeHubPolkadot
+zombienet-linux --provider native spawn ./zombienet/examples/bridge_hub_polkadot_local_network.toml
 ```

parachains/runtimes/bridge-hubs/bridge-hub-polkadot/Cargo.toml

@@ -0,0 +1,169 @@
+[package]
+name = "bridge-hub-polkadot-runtime"
+version = "0.1.0"
+authors = ["Parity Technologies <[email protected]>"]
+edition = "2021"
+description = "Polkadot's BridgeHub parachain runtime"
+
+[build-dependencies]
+substrate-wasm-builder = { git = "https://github.com/paritytech/substrate", branch = "master" }
+
+[dependencies]
+codec = { package = "parity-scale-codec", version = "3.0.0", default-features = false, features = ["derive"] }
+hex-literal = { version = "0.3.4" }
+log = { version = "0.4.17", default-features = false }
+scale-info = { version = "2.3.1", default-features = false, features = ["derive"] }
+serde = { version = "1.0.152", optional = true, features = ["derive"] }
+smallvec = "1.8.1"
+
+# Substrate
+frame-benchmarking = { git = "https://github.com/paritytech/substrate", default-features = false, optional = true, branch = "master" }
+frame-executive = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
+frame-support = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
+frame-system = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
+frame-system-benchmarking = { git = "https://github.com/paritytech/substrate", default-features = false, optional = true, branch = "master" }
+frame-system-rpc-runtime-api = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
+frame-try-runtime = { git = "https://github.com/paritytech/substrate", default-features = false, optional = true, branch = "master" }
+pallet-aura = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
+pallet-authorship = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
+pallet-balances = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
+pallet-multisig = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
+pallet-session = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
+pallet-sudo = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
+pallet-timestamp = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
+pallet-transaction-payment = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
+pallet-transaction-payment-rpc-runtime-api = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
+pallet-utility = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
+sp-api = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
+sp-block-builder = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
+sp-consensus-aura = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
+sp-core = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
+sp-inherents = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
+sp-io = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
+sp-offchain = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
+sp-runtime = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
+sp-session = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
+sp-std = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
+sp-transaction-pool = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
+sp-version = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
+
+# Polkadot
+polkadot-runtime-constants = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
+pallet-xcm = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
+pallet-xcm-benchmarks = { git = "https://github.com/paritytech/polkadot", branch = "master", default-features = false, optional = true }
+polkadot-core-primitives = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
+polkadot-parachain = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
+polkadot-runtime-common = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
+xcm = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
+xcm-builder = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
+xcm-executor = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
+
+# Cumulus
+cumulus-pallet-aura-ext = { path = "../../../../pallets/aura-ext", default-features = false }
+cumulus-pallet-dmp-queue = { path = "../../../../pallets/dmp-queue", default-features = false }
+cumulus-pallet-parachain-system = { path = "../../../../pallets/parachain-system", default-features = false }
+cumulus-pallet-session-benchmarking = {path = "../../../../pallets/session-benchmarking", default-features = false, version = "3.0.0"}
+cumulus-pallet-xcm = { path = "../../../../pallets/xcm", default-features = false }
+cumulus-pallet-xcmp-queue = { path = "../../../../pallets/xcmp-queue", default-features = false }
+cumulus-primitives-core = { path = "../../../../primitives/core", default-features = false }
+cumulus-primitives-timestamp = { path = "../../../../primitives/timestamp", default-features = false }
+cumulus-primitives-utility = { path = "../../../../primitives/utility", default-features = false }
+pallet-collator-selection = { path = "../../../../pallets/collator-selection", default-features = false }
+parachain-info = { path = "../../../../parachains/pallets/parachain-info", default-features = false }
+parachains-common = { path = "../../../../parachains/common", default-features = false }
+
+[features]
+default = [
+	"std",
+]
+std = [
+	"codec/std",
+	"log/std",
+	"scale-info/std",
+	"serde",
+	"cumulus-pallet-aura-ext/std",
+	"cumulus-pallet-dmp-queue/std",
+	"cumulus-pallet-parachain-system/std",
+	"cumulus-pallet-xcm/std",
+	"cumulus-pallet-xcmp-queue/std",
+	"cumulus-primitives-core/std",
+	"cumulus-primitives-timestamp/std",
+	"cumulus-primitives-utility/std",
+	"frame-executive/std",
+	"frame-support/std",
+	"frame-system-rpc-runtime-api/std",
+	"frame-system/std",
+	"polkadot-runtime-constants/std",
+	"pallet-aura/std",
+	"pallet-authorship/std",
+	"pallet-balances/std",
+	"pallet-collator-selection/std",
+	"pallet-multisig/std",
+	"pallet-session/std",
+	"pallet-sudo/std",
+	"pallet-timestamp/std",
+	"pallet-transaction-payment-rpc-runtime-api/std",
+	"pallet-transaction-payment/std",
+	"pallet-utility/std",
+	"pallet-xcm/std",
+	"parachain-info/std",
+	"parachains-common/std",
+	"polkadot-core-primitives/std",
+	"polkadot-parachain/std",
+	"polkadot-runtime-common/std",
+	"sp-api/std",
+	"sp-block-builder/std",
+	"sp-consensus-aura/std",
+	"sp-core/std",
+	"sp-inherents/std",
+	"sp-io/std",
+	"sp-offchain/std",
+	"sp-runtime/std",
+	"sp-session/std",
+	"sp-std/std",
+	"sp-transaction-pool/std",
+	"sp-version/std",
+	"xcm-builder/std",
+	"xcm-executor/std",
+	"xcm/std",
+]
+
+runtime-benchmarks = [
+	"frame-benchmarking/runtime-benchmarks",
+	"frame-support/runtime-benchmarks",
+	"frame-system-benchmarking/runtime-benchmarks",
+	"frame-system/runtime-benchmarks",
+	"pallet-balances/runtime-benchmarks",
+	"pallet-multisig/runtime-benchmarks",
+	"pallet-timestamp/runtime-benchmarks",
+	"pallet-utility/runtime-benchmarks",
+	"pallet-xcm/runtime-benchmarks",
+	"sp-runtime/runtime-benchmarks",
+	"xcm-builder/runtime-benchmarks",
+	"cumulus-pallet-session-benchmarking/runtime-benchmarks",
+	"pallet-collator-selection/runtime-benchmarks",
+	"cumulus-pallet-xcmp-queue/runtime-benchmarks",
+	"pallet-xcm-benchmarks/runtime-benchmarks",
+]
+
+try-runtime = [
+	"cumulus-pallet-aura-ext/try-runtime",
+	"cumulus-pallet-dmp-queue/try-runtime",
+	"cumulus-pallet-parachain-system/try-runtime",
+	"cumulus-pallet-xcm/try-runtime",
+	"cumulus-pallet-xcmp-queue/try-runtime",
+	"frame-executive/try-runtime",
+	"frame-system/try-runtime",
+	"frame-try-runtime/try-runtime",
+	"pallet-aura/try-runtime",
+	"pallet-authorship/try-runtime",
+	"pallet-balances/try-runtime",
+	"pallet-collator-selection/try-runtime",
+	"pallet-multisig/try-runtime",
+	"pallet-session/try-runtime",
+	"pallet-timestamp/try-runtime",
+	"pallet-transaction-payment/try-runtime",
+	"pallet-utility/try-runtime",
+	"pallet-xcm/try-runtime",
+	"parachain-info/try-runtime",
+]

parachains/runtimes/bridge-hubs/bridge-hub-polkadot/build.rs

@@ -0,0 +1,9 @@
+use substrate_wasm_builder::WasmBuilder;
+
+fn main() {
+	WasmBuilder::new()
+		.with_current_project()
+		.export_heap_base()
+		.import_memory()
+		.build()
+}

parachains/runtimes/bridge-hubs/bridge-hub-polkadot/src/constants.rs

@@ -0,0 +1,69 @@
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// 	http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+pub mod currency {
+	use polkadot_core_primitives::Balance;
+	use polkadot_runtime_constants as constants;
+
+	/// The existential deposit. Set to 1/10 of its parent Relay Chain.
+	pub const EXISTENTIAL_DEPOSIT: Balance = constants::currency::EXISTENTIAL_DEPOSIT / 10;
+
+	pub const UNITS: Balance = constants::currency::UNITS;
+	pub const CENTS: Balance = constants::currency::CENTS;
+	pub const MILLICENTS: Balance = constants::currency::MILLICENTS;
+
+	pub const fn deposit(items: u32, bytes: u32) -> Balance {
+		// 1/100 of Polkadot v9010
+		constants::currency::deposit(items, bytes) / 100
+	}
+}
+
+/// Fee-related.
+pub mod fee {
+	use frame_support::weights::{
+		constants::ExtrinsicBaseWeight, WeightToFeeCoefficient, WeightToFeeCoefficients,
+		WeightToFeePolynomial,
+	};
+	use polkadot_core_primitives::Balance;
+	use smallvec::smallvec;
+	pub use sp_runtime::Perbill;
+
+	/// Handles converting a weight scalar to a fee value, based on the scale and granularity of the
+	/// node's balance type.
+	///
+	/// This should typically create a mapping between the following ranges:
+	///   - [0, MAXIMUM_BLOCK_WEIGHT]
+	///   - [Balance::min, Balance::max]
+	///
+	/// Yet, it can be used for any other sort of change to weight-fee. Some examples being:
+	///   - Setting it to `0` will essentially disable the weight fee.
+	///   - Setting it to `1` will cause the literal `#[weight = x]` values to be charged.
+	pub struct WeightToFee;
+	impl WeightToFeePolynomial for WeightToFee {
+		type Balance = Balance;
+		fn polynomial() -> WeightToFeeCoefficients<Self::Balance> {
+			// in Polkadot, extrinsic base weight (smallest non-zero weight) is mapped to 1/10 CENT:
+			// in BridgeHub, we map to 1/10 of that, or 1/100 CENT
+			let p = super::currency::CENTS;
+			let q = 100 * Balance::from(ExtrinsicBaseWeight::get().ref_time());
+			smallvec![WeightToFeeCoefficient {
+				degree: 1,
+				negative: false,
+				coeff_frac: Perbill::from_rational(p % q, q),
+				coeff_integer: p / q,
+			}]
+		}
+	}
+}