BridgeHubKusama - initial setup - (chain_spec + basic runtime without any bridging pallets) (#1764)

* [BridgeHub] Setup Rococo backbone parachain * [BridgeHub] Setup Wococo parachain backbone (reused from Rococo) [Bridge-Backport] Rebase-fix BridgeHub] Added zombienet startup tomls for Rococo/Wococo Fix typo * [BridgeHub] Added chain_spec for live Rococo/Wococo * [BridgeHub] Clean bridge-hub-rococo runtime * [BridgeHub] Add bridge-hub-rococo to CI pipelines * [BridgeHub] Added bridge-hub-kusama - empty runtime/chain_spec setup * Fixes * Fixes for BH * Fixes for other runtimes - align all * Fixes - const * Fixes const * Fixes * Fix kusama-local * Sample zombienet runs * Fixes * Fixes for benchmarking * Fixes CI * Fixes * ".git/.scripts/bench-bot.sh" pallet bridge-hub-kusama bridge-hubs frame_system * ".git/.scripts/bench-bot.sh" pallet bridge-hub-kusama bridge-hubs pallet_collator_selection * ".git/.scripts/bench-bot.sh" pallet bridge-hub-kusama bridge-hubs pallet_balances * ".git/.scripts/bench-bot.sh" pallet bridge-hub-kusama bridge-hubs pallet_session * Fixes name * Fixes readme * ".git/.scripts/bench-bot.sh" pallet bridge-hub-kusama bridge-hubs pallet_timestamp * ".git/.scripts/bench-bot.sh" pallet bridge-hub-kusama bridge-hubs cumulus_pallet_xcmp_queue * ".git/.scripts/bench-bot.sh" pallet bridge-hub-kusama bridge-hubs pallet_collator_selection * Fixes * Fixes * rustfmt * Fixes * Added pallet_utility/pallet_multisig * Blind try for regex pr-custom-review.yml (added bridge-hub-kusama + collectives-polkadot) * Fixes * Fixes * ".git/.scripts/bench-bot.sh" pallet bridge-hub-kusama bridge-hubs pallet_utility * ".git/.scripts/bench-bot.sh" pallet bridge-hub-kusama bridge-hubs pallet_multisig * Trying to fix sed expression? * Added license headers + correct "DAG:" desc Co-authored-by: command-bot <>
2026-05-30 18:41:03 +00:00 · 2022-12-02 14:06:39 +01:00
parent 3b2ec9eade
commit c3df7db394
68 changed files with 5319 additions and 212 deletions
@@ -0,0 +1,680 @@
+// Copyright 2022 Parity Technologies (UK) Ltd.
+// This file is part of Cumulus.
+
+// Cumulus is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Cumulus is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Cumulus.  If not, see <http://www.gnu.org/licenses/>.
+
+#![cfg_attr(not(feature = "std"), no_std)]
+// `construct_runtime!` does a lot of recursion and requires us to increase the limit to 256.
+#![recursion_limit = "256"]
+
+// Make the WASM binary available.
+#[cfg(feature = "std")]
+include!(concat!(env!("OUT_DIR"), "/wasm_binary.rs"));
+
+pub mod constants;
+mod weights;
+pub mod xcm_config;
+
+use cumulus_pallet_parachain_system::RelayNumberStrictlyIncreases;
+use smallvec::smallvec;
+use sp_api::impl_runtime_apis;
+use sp_core::{crypto::KeyTypeId, OpaqueMetadata};
+use sp_runtime::{
+	create_runtime_str, generic, impl_opaque_keys,
+	traits::{AccountIdLookup, BlakeTwo256, Block as BlockT},
+	transaction_validity::{TransactionSource, TransactionValidity},
+	ApplyExtrinsicResult,
+};
+
+use sp_std::prelude::*;
+#[cfg(feature = "std")]
+use sp_version::NativeVersion;
+use sp_version::RuntimeVersion;
+
+use constants::currency::*;
+use frame_support::{
+	construct_runtime,
+	dispatch::DispatchClass,
+	parameter_types,
+	traits::{ConstU32, ConstU64, ConstU8, Everything},
+	weights::{
+		ConstantMultiplier, Weight, WeightToFeeCoefficient, WeightToFeeCoefficients,
+		WeightToFeePolynomial,
+	},
+	PalletId,
+};
+use frame_system::{
+	limits::{BlockLength, BlockWeights},
+	EnsureRoot,
+};
+pub use sp_consensus_aura::sr25519::AuthorityId as AuraId;
+pub use sp_runtime::{MultiAddress, Perbill, Permill};
+use xcm_config::{XcmConfig, XcmOriginToTransactDispatchOrigin};
+
+#[cfg(any(feature = "std", test))]
+pub use sp_runtime::BuildStorage;
+
+// Polkadot imports
+use polkadot_runtime_common::{BlockHashCount, SlowAdjustingFeeUpdate};
+
+use weights::{BlockExecutionWeight, ExtrinsicBaseWeight, RocksDbWeight};
+
+// XCM Imports
+use parachains_common::{
+	opaque, AccountId, Balance, BlockNumber, Hash, Header, Index, Signature,
+	AVERAGE_ON_INITIALIZE_RATIO, HOURS, MAXIMUM_BLOCK_WEIGHT, NORMAL_DISPATCH_RATIO, SLOT_DURATION,
+};
+use xcm::latest::prelude::BodyId;
+use xcm_executor::XcmExecutor;
+
+/// The address format for describing accounts.
+pub type Address = MultiAddress<AccountId, ()>;
+
+/// Block type as expected by this runtime.
+pub type Block = generic::Block<Header, UncheckedExtrinsic>;
+
+/// A Block signed with a Justification
+pub type SignedBlock = generic::SignedBlock<Block>;
+
+/// BlockId type as expected by this runtime.
+pub type BlockId = generic::BlockId<Block>;
+
+/// The SignedExtension to the basic transaction logic.
+pub type SignedExtra = (
+	frame_system::CheckNonZeroSender<Runtime>,
+	frame_system::CheckSpecVersion<Runtime>,
+	frame_system::CheckTxVersion<Runtime>,
+	frame_system::CheckGenesis<Runtime>,
+	frame_system::CheckEra<Runtime>,
+	frame_system::CheckNonce<Runtime>,
+	frame_system::CheckWeight<Runtime>,
+	pallet_transaction_payment::ChargeTransactionPayment<Runtime>,
+);
+
+/// Unchecked extrinsic type as expected by this runtime.
+pub type UncheckedExtrinsic =
+	generic::UncheckedExtrinsic<Address, RuntimeCall, Signature, SignedExtra>;
+
+/// Extrinsic type that has already been checked.
+pub type CheckedExtrinsic = generic::CheckedExtrinsic<AccountId, RuntimeCall, SignedExtra>;
+
+/// Executive: handles dispatch to the various modules.
+pub type Executive = frame_executive::Executive<
+	Runtime,
+	Block,
+	frame_system::ChainContext<Runtime>,
+	Runtime,
+	AllPalletsWithSystem,
+>;
+
+/// 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 Rococo, extrinsic base weight (smallest non-zero weight) is mapped to 1 MILLIUNIT:
+		// in our template, we map to 1/10 of that, or 1/10 MILLIUNIT
+		let p = MILLIUNIT / 10;
+		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,
+		}]
+	}
+}
+
+impl_opaque_keys! {
+	pub struct SessionKeys {
+		pub aura: Aura,
+	}
+}
+
+#[sp_version::runtime_version]
+pub const VERSION: RuntimeVersion = RuntimeVersion {
+	spec_name: create_runtime_str!("bridge-hub-rococo"),
+	impl_name: create_runtime_str!("bridge-hub-rococo"),
+	authoring_version: 1,
+	spec_version: 1,
+	impl_version: 0,
+	apis: RUNTIME_API_VERSIONS,
+	transaction_version: 1,
+	state_version: 1,
+};
+
+// Unit = the base number of indivisible units for balances
+pub const UNIT: Balance = 1_000_000_000_000;
+pub const MILLIUNIT: Balance = 1_000_000_000;
+pub const MICROUNIT: Balance = 1_000_000;
+
+/// The existential deposit. Set to 1/10 of the Connected Relay Chain.
+pub const EXISTENTIAL_DEPOSIT: Balance = MILLIUNIT;
+
+/// The version information used to identify this runtime when compiled natively.
+#[cfg(feature = "std")]
+pub fn native_version() -> NativeVersion {
+	NativeVersion { runtime_version: VERSION, can_author_with: Default::default() }
+}
+
+parameter_types! {
+	pub const Version: RuntimeVersion = VERSION;
+
+	// This part is copied from Substrate's `bin/node/runtime/src/lib.rs`.
+	//  The `RuntimeBlockLength` and `RuntimeBlockWeights` exist here because the
+	// `DeletionWeightLimit` and `DeletionQueueDepth` depend on those to parameterize
+	// the lazy contract deletion.
+	pub RuntimeBlockLength: BlockLength =
+		BlockLength::max_with_normal_ratio(5 * 1024 * 1024, NORMAL_DISPATCH_RATIO);
+	pub RuntimeBlockWeights: BlockWeights = BlockWeights::builder()
+		.base_block(BlockExecutionWeight::get())
+		.for_class(DispatchClass::all(), |weights| {
+			weights.base_extrinsic = ExtrinsicBaseWeight::get();
+		})
+		.for_class(DispatchClass::Normal, |weights| {
+			weights.max_total = Some(NORMAL_DISPATCH_RATIO * MAXIMUM_BLOCK_WEIGHT);
+		})
+		.for_class(DispatchClass::Operational, |weights| {
+			weights.max_total = Some(MAXIMUM_BLOCK_WEIGHT);
+			// Operational transactions have some extra reserved space, so that they
+			// are included even if block reached `MAXIMUM_BLOCK_WEIGHT`.
+			weights.reserved = Some(
+				MAXIMUM_BLOCK_WEIGHT - NORMAL_DISPATCH_RATIO * MAXIMUM_BLOCK_WEIGHT
+			);
+		})
+		.avg_block_initialization(AVERAGE_ON_INITIALIZE_RATIO)
+		.build_or_panic();
+	pub const SS58Prefix: u16 = 42;
+}
+
+// Configure FRAME pallets to include in runtime.
+
+impl frame_system::Config for Runtime {
+	/// The identifier used to distinguish between accounts.
+	type AccountId = AccountId;
+	/// The aggregated dispatch type that is available for extrinsics.
+	type RuntimeCall = RuntimeCall;
+	/// The lookup mechanism to get account ID from whatever is passed in dispatchers.
+	type Lookup = AccountIdLookup<AccountId, ()>;
+	/// The index type for storing how many extrinsics an account has signed.
+	type Index = Index;
+	/// The index type for blocks.
+	type BlockNumber = BlockNumber;
+	/// The type for hashing blocks and tries.
+	type Hash = Hash;
+	/// The hashing algorithm used.
+	type Hashing = BlakeTwo256;
+	/// The header type.
+	type Header = generic::Header<BlockNumber, BlakeTwo256>;
+	/// The ubiquitous event type.
+	type RuntimeEvent = RuntimeEvent;
+	/// The ubiquitous origin type.
+	type RuntimeOrigin = RuntimeOrigin;
+	/// Maximum number of block number to block hash mappings to keep (oldest pruned first).
+	type BlockHashCount = BlockHashCount;
+	/// Runtime version.
+	type Version = Version;
+	/// Converts a module to an index of this module in the runtime.
+	type PalletInfo = PalletInfo;
+	/// The data to be stored in an account.
+	type AccountData = pallet_balances::AccountData<Balance>;
+	/// What to do if a new account is created.
+	type OnNewAccount = ();
+	/// What to do if an account is fully reaped from the system.
+	type OnKilledAccount = ();
+	/// The weight of database operations that the runtime can invoke.
+	type DbWeight = RocksDbWeight;
+	/// The basic call filter to use in dispatchable.
+	type BaseCallFilter = Everything;
+	/// Weight information for the extrinsics of this pallet.
+	type SystemWeightInfo = weights::frame_system::WeightInfo<Runtime>;
+	/// Block & extrinsics weights: base values and limits.
+	type BlockWeights = RuntimeBlockWeights;
+	/// The maximum length of a block (in bytes).
+	type BlockLength = RuntimeBlockLength;
+	/// This is used as an identifier of the chain. 42 is the generic substrate prefix.
+	type SS58Prefix = SS58Prefix;
+	/// The action to take on a Runtime Upgrade
+	type OnSetCode = cumulus_pallet_parachain_system::ParachainSetCode<Self>;
+	type MaxConsumers = ConstU32<16>;
+}
+
+impl pallet_timestamp::Config for Runtime {
+	/// A timestamp: milliseconds since the unix epoch.
+	type Moment = u64;
+	type OnTimestampSet = Aura;
+	type MinimumPeriod = ConstU64<{ SLOT_DURATION / 2 }>;
+	type WeightInfo = weights::pallet_timestamp::WeightInfo<Runtime>;
+}
+
+impl pallet_authorship::Config for Runtime {
+	type FindAuthor = pallet_session::FindAccountFromAuthorIndex<Self, Aura>;
+	type UncleGenerations = ConstU32<0>;
+	type FilterUncle = ();
+	type EventHandler = (CollatorSelection,);
+}
+
+parameter_types! {
+	pub const ExistentialDeposit: Balance = EXISTENTIAL_DEPOSIT;
+}
+
+impl pallet_balances::Config for Runtime {
+	/// The type for recording an account's balance.
+	type Balance = Balance;
+	type DustRemoval = ();
+	/// The ubiquitous event type.
+	type RuntimeEvent = RuntimeEvent;
+	type ExistentialDeposit = ExistentialDeposit;
+	type AccountStore = System;
+	type WeightInfo = weights::pallet_balances::WeightInfo<Runtime>;
+	type MaxLocks = ConstU32<50>;
+	type MaxReserves = ConstU32<50>;
+	type ReserveIdentifier = [u8; 8];
+}
+
+parameter_types! {
+	/// Relay Chain `TransactionByteFee` / 10
+	pub const TransactionByteFee: Balance = 10 * MICROUNIT;
+}
+
+impl pallet_transaction_payment::Config for Runtime {
+	type RuntimeEvent = RuntimeEvent;
+	type OnChargeTransaction = pallet_transaction_payment::CurrencyAdapter<Balances, ()>;
+	type OperationalFeeMultiplier = ConstU8<5>;
+	type WeightToFee = WeightToFee;
+	type LengthToFee = ConstantMultiplier<Balance, TransactionByteFee>;
+	type FeeMultiplierUpdate = SlowAdjustingFeeUpdate<Self>;
+}
+
+parameter_types! {
+	pub const ReservedXcmpWeight: Weight = MAXIMUM_BLOCK_WEIGHT.saturating_div(4);
+	pub const ReservedDmpWeight: Weight = MAXIMUM_BLOCK_WEIGHT.saturating_div(4);
+}
+
+impl cumulus_pallet_parachain_system::Config for Runtime {
+	type RuntimeEvent = RuntimeEvent;
+	type OnSystemEvent = ();
+	type SelfParaId = parachain_info::Pallet<Runtime>;
+	type OutboundXcmpMessageSource = XcmpQueue;
+	type DmpMessageHandler = DmpQueue;
+	type ReservedDmpWeight = ReservedDmpWeight;
+	type XcmpMessageHandler = XcmpQueue;
+	type ReservedXcmpWeight = ReservedXcmpWeight;
+	type CheckAssociatedRelayNumber = RelayNumberStrictlyIncreases;
+}
+
+impl parachain_info::Config for Runtime {}
+
+impl cumulus_pallet_aura_ext::Config for Runtime {}
+
+impl cumulus_pallet_xcmp_queue::Config for Runtime {
+	type RuntimeEvent = RuntimeEvent;
+	type XcmExecutor = XcmExecutor<XcmConfig>;
+	type ChannelInfo = ParachainSystem;
+	type VersionWrapper = PolkadotXcm;
+	type ExecuteOverweightOrigin = EnsureRoot<AccountId>;
+	type ControllerOrigin = EnsureRoot<AccountId>;
+	type ControllerOriginConverter = XcmOriginToTransactDispatchOrigin;
+	type WeightInfo = weights::cumulus_pallet_xcmp_queue::WeightInfo<Runtime>;
+}
+
+impl cumulus_pallet_dmp_queue::Config for Runtime {
+	type RuntimeEvent = RuntimeEvent;
+	type XcmExecutor = XcmExecutor<XcmConfig>;
+	type ExecuteOverweightOrigin = EnsureRoot<AccountId>;
+}
+
+pub const PERIOD: u32 = 6 * HOURS;
+pub const OFFSET: u32 = 0;
+
+impl pallet_session::Config for Runtime {
+	type RuntimeEvent = RuntimeEvent;
+	type ValidatorId = <Self as frame_system::Config>::AccountId;
+	// we don't have stash and controller, thus we don't need the convert as well.
+	type ValidatorIdOf = pallet_collator_selection::IdentityCollator;
+	type ShouldEndSession = pallet_session::PeriodicSessions<ConstU32<PERIOD>, ConstU32<OFFSET>>;
+	type NextSessionRotation = pallet_session::PeriodicSessions<ConstU32<PERIOD>, ConstU32<OFFSET>>;
+	type SessionManager = CollatorSelection;
+	// Essentially just Aura, but let's be pedantic.
+	type SessionHandler = <SessionKeys as sp_runtime::traits::OpaqueKeys>::KeyTypeIdProviders;
+	type Keys = SessionKeys;
+	type WeightInfo = weights::pallet_session::WeightInfo<Runtime>;
+}
+
+impl pallet_aura::Config for Runtime {
+	type AuthorityId = AuraId;
+	type DisabledValidators = ();
+	type MaxAuthorities = ConstU32<100_000>;
+}
+
+parameter_types! {
+	pub const PotId: PalletId = PalletId(*b"PotStake");
+	pub const SessionLength: BlockNumber = 6 * HOURS;
+	pub const ExecutiveBody: BodyId = BodyId::Executive;
+}
+
+pub type CollatorSelectionUpdateOrigin = EnsureRoot<AccountId>;
+
+impl pallet_collator_selection::Config for Runtime {
+	type RuntimeEvent = RuntimeEvent;
+	type Currency = Balances;
+	type UpdateOrigin = CollatorSelectionUpdateOrigin;
+	type PotId = PotId;
+	type MaxCandidates = ConstU32<1000>;
+	type MinCandidates = ConstU32<5>;
+	type MaxInvulnerables = ConstU32<100>;
+	// should be a multiple of session or things will get inconsistent
+	type KickThreshold = ConstU32<PERIOD>;
+	type ValidatorId = <Self as frame_system::Config>::AccountId;
+	type ValidatorIdOf = pallet_collator_selection::IdentityCollator;
+	type ValidatorRegistration = Session;
+	type WeightInfo = weights::pallet_collator_selection::WeightInfo<Runtime>;
+}
+
+parameter_types! {
+	// One storage item; key size is 32; value is size 4+4+16+32 bytes = 56 bytes.
+	pub const DepositBase: Balance = deposit(1, 88);
+	// Additional storage item size of 32 bytes.
+	pub const DepositFactor: Balance = deposit(0, 32);
+}
+
+impl pallet_multisig::Config for Runtime {
+	type RuntimeEvent = RuntimeEvent;
+	type RuntimeCall = RuntimeCall;
+	type Currency = Balances;
+	type DepositBase = DepositBase;
+	type DepositFactor = DepositFactor;
+	type MaxSignatories = ConstU32<100>;
+	type WeightInfo = weights::pallet_multisig::WeightInfo<Runtime>;
+}
+
+impl pallet_utility::Config for Runtime {
+	type RuntimeEvent = RuntimeEvent;
+	type RuntimeCall = RuntimeCall;
+	type PalletsOrigin = OriginCaller;
+	type WeightInfo = weights::pallet_utility::WeightInfo<Runtime>;
+}
+
+// Create the runtime by composing the FRAME pallets that were previously configured.
+construct_runtime!(
+	pub enum Runtime where
+		Block = Block,
+		NodeBlock = opaque::Block,
+		UncheckedExtrinsic = UncheckedExtrinsic,
+	{
+		// System support stuff.
+		System: frame_system::{Pallet, Call, Config, Storage, Event<T>} = 0,
+		ParachainSystem: cumulus_pallet_parachain_system::{
+			Pallet, Call, Config, Storage, Inherent, Event<T>, ValidateUnsigned,
+		} = 1,
+		Timestamp: pallet_timestamp::{Pallet, Call, Storage, Inherent} = 2,
+		ParachainInfo: parachain_info::{Pallet, Storage, Config} = 3,
+
+		// Monetary stuff.
+		Balances: pallet_balances::{Pallet, Call, Storage, Config<T>, Event<T>} = 10,
+		TransactionPayment: pallet_transaction_payment::{Pallet, Storage, Event<T>} = 11,
+
+		// Collator support. The order of these 4 are important and shall not change.
+		Authorship: pallet_authorship::{Pallet, Call, Storage} = 20,
+		CollatorSelection: pallet_collator_selection::{Pallet, Call, Storage, Event<T>, Config<T>} = 21,
+		Session: pallet_session::{Pallet, Call, Storage, Event, Config<T>} = 22,
+		Aura: pallet_aura::{Pallet, Storage, Config<T>} = 23,
+		AuraExt: cumulus_pallet_aura_ext::{Pallet, Storage, Config} = 24,
+
+		// XCM helpers.
+		XcmpQueue: cumulus_pallet_xcmp_queue::{Pallet, Call, Storage, Event<T>} = 30,
+		PolkadotXcm: pallet_xcm::{Pallet, Call, Event<T>, Origin, Config} = 31,
+		CumulusXcm: cumulus_pallet_xcm::{Pallet, Event<T>, Origin} = 32,
+		DmpQueue: cumulus_pallet_dmp_queue::{Pallet, Call, Storage, Event<T>} = 33,
+
+		// Handy utilities.
+		Utility: pallet_utility::{Pallet, Call, Event} = 40,
+		Multisig: pallet_multisig::{Pallet, Call, Storage, Event<T>} = 41,
+	}
+);
+
+#[cfg(feature = "runtime-benchmarks")]
+#[macro_use]
+extern crate frame_benchmarking;
+
+#[cfg(feature = "runtime-benchmarks")]
+mod benches {
+	define_benchmarks!(
+		[frame_system, SystemBench::<Runtime>]
+		[pallet_balances, Balances]
+		[pallet_multisig, Multisig]
+		[pallet_session, SessionBench::<Runtime>]
+		[pallet_utility, Utility]
+		[pallet_timestamp, Timestamp]
+		[pallet_collator_selection, CollatorSelection]
+		[cumulus_pallet_xcmp_queue, XcmpQueue]
+	);
+}
+
+impl_runtime_apis! {
+	impl sp_consensus_aura::AuraApi<Block, AuraId> for Runtime {
+		fn slot_duration() -> sp_consensus_aura::SlotDuration {
+			sp_consensus_aura::SlotDuration::from_millis(Aura::slot_duration())
+		}
+
+		fn authorities() -> Vec<AuraId> {
+			Aura::authorities().into_inner()
+		}
+	}
+
+	impl sp_api::Core<Block> for Runtime {
+		fn version() -> RuntimeVersion {
+			VERSION
+		}
+
+		fn execute_block(block: Block) {
+			Executive::execute_block(block)
+		}
+
+		fn initialize_block(header: &<Block as BlockT>::Header) {
+			Executive::initialize_block(header)
+		}
+	}
+
+	impl sp_api::Metadata<Block> for Runtime {
+		fn metadata() -> OpaqueMetadata {
+			OpaqueMetadata::new(Runtime::metadata().into())
+		}
+	}
+
+	impl sp_block_builder::BlockBuilder<Block> for Runtime {
+		fn apply_extrinsic(extrinsic: <Block as BlockT>::Extrinsic) -> ApplyExtrinsicResult {
+			Executive::apply_extrinsic(extrinsic)
+		}
+
+		fn finalize_block() -> <Block as BlockT>::Header {
+			Executive::finalize_block()
+		}
+
+		fn inherent_extrinsics(data: sp_inherents::InherentData) -> Vec<<Block as BlockT>::Extrinsic> {
+			data.create_extrinsics()
+		}
+
+		fn check_inherents(
+			block: Block,
+			data: sp_inherents::InherentData,
+		) -> sp_inherents::CheckInherentsResult {
+			data.check_extrinsics(&block)
+		}
+	}
+
+	impl sp_transaction_pool::runtime_api::TaggedTransactionQueue<Block> for Runtime {
+		fn validate_transaction(
+			source: TransactionSource,
+			tx: <Block as BlockT>::Extrinsic,
+			block_hash: <Block as BlockT>::Hash,
+		) -> TransactionValidity {
+			Executive::validate_transaction(source, tx, block_hash)
+		}
+	}
+
+	impl sp_offchain::OffchainWorkerApi<Block> for Runtime {
+		fn offchain_worker(header: &<Block as BlockT>::Header) {
+			Executive::offchain_worker(header)
+		}
+	}
+
+	impl sp_session::SessionKeys<Block> for Runtime {
+		fn generate_session_keys(seed: Option<Vec<u8>>) -> Vec<u8> {
+			SessionKeys::generate(seed)
+		}
+
+		fn decode_session_keys(
+			encoded: Vec<u8>,
+		) -> Option<Vec<(Vec<u8>, KeyTypeId)>> {
+			SessionKeys::decode_into_raw_public_keys(&encoded)
+		}
+	}
+
+	impl frame_system_rpc_runtime_api::AccountNonceApi<Block, AccountId, Index> for Runtime {
+		fn account_nonce(account: AccountId) -> Index {
+			System::account_nonce(account)
+		}
+	}
+
+	impl pallet_transaction_payment_rpc_runtime_api::TransactionPaymentApi<Block, Balance> for Runtime {
+		fn query_info(
+			uxt: <Block as BlockT>::Extrinsic,
+			len: u32,
+		) -> pallet_transaction_payment_rpc_runtime_api::RuntimeDispatchInfo<Balance> {
+			TransactionPayment::query_info(uxt, len)
+		}
+		fn query_fee_details(
+			uxt: <Block as BlockT>::Extrinsic,
+			len: u32,
+		) -> pallet_transaction_payment::FeeDetails<Balance> {
+			TransactionPayment::query_fee_details(uxt, len)
+		}
+	}
+
+	impl cumulus_primitives_core::CollectCollationInfo<Block> for Runtime {
+		fn collect_collation_info(header: &<Block as BlockT>::Header) -> cumulus_primitives_core::CollationInfo {
+			ParachainSystem::collect_collation_info(header)
+		}
+	}
+
+	#[cfg(feature = "try-runtime")]
+	impl frame_try_runtime::TryRuntime<Block> for Runtime {
+		fn on_runtime_upgrade() -> (Weight, Weight) {
+			log::info!("try-runtime::on_runtime_upgrade bridge-hub-rococo.");
+			let weight = Executive::try_runtime_upgrade().unwrap();
+			(weight, RuntimeBlockWeights::get().max_block)
+		}
+
+		fn execute_block(block: Block, state_root_check: bool, select: frame_try_runtime::TryStateSelect) -> Weight {
+			log::info!(
+				target: "runtime::bridge-hub-rococo", "try-runtime: executing block #{} ({:?}) / root checks: {:?} / sanity-checks: {:?}",
+				block.header.number,
+				block.header.hash(),
+				state_root_check,
+				select,
+			);
+			Executive::try_execute_block(block, state_root_check, select).expect("try_execute_block failed")
+		}
+	}
+
+	#[cfg(feature = "runtime-benchmarks")]
+	impl frame_benchmarking::Benchmark<Block> for Runtime {
+		fn benchmark_metadata(extra: bool) -> (
+			Vec<frame_benchmarking::BenchmarkList>,
+			Vec<frame_support::traits::StorageInfo>,
+		) {
+			use frame_benchmarking::{Benchmarking, BenchmarkList};
+			use frame_support::traits::StorageInfoTrait;
+			use frame_system_benchmarking::Pallet as SystemBench;
+			use cumulus_pallet_session_benchmarking::Pallet as SessionBench;
+
+			let mut list = Vec::<BenchmarkList>::new();
+			list_benchmarks!(list, extra);
+
+			let storage_info = AllPalletsWithSystem::storage_info();
+			return (list, storage_info)
+		}
+
+		fn dispatch_benchmark(
+			config: frame_benchmarking::BenchmarkConfig
+		) -> Result<Vec<frame_benchmarking::BenchmarkBatch>, sp_runtime::RuntimeString> {
+			use frame_benchmarking::{Benchmarking, BenchmarkBatch, TrackedStorageKey};
+
+			use frame_system_benchmarking::Pallet as SystemBench;
+			impl frame_system_benchmarking::Config for Runtime {}
+
+			use cumulus_pallet_session_benchmarking::Pallet as SessionBench;
+			impl cumulus_pallet_session_benchmarking::Config for Runtime {}
+
+			let whitelist: Vec<TrackedStorageKey> = vec![
+				// Block Number
+				hex_literal::hex!("26aa394eea5630e07c48ae0c9558cef702a5c1b19ab7a04f536c519aca4983ac").to_vec().into(),
+				// Total Issuance
+				hex_literal::hex!("c2261276cc9d1f8598ea4b6a74b15c2f57c875e4cff74148e4628f264b974c80").to_vec().into(),
+				// Execution Phase
+				hex_literal::hex!("26aa394eea5630e07c48ae0c9558cef7ff553b5a9862a516939d82b3d3d8661a").to_vec().into(),
+				// Event Count
+				hex_literal::hex!("26aa394eea5630e07c48ae0c9558cef70a98fdbe9ce6c55837576c60c7af3850").to_vec().into(),
+				// System Events
+				hex_literal::hex!("26aa394eea5630e07c48ae0c9558cef780d41e5e16056765bc8461851072c9d7").to_vec().into(),
+			];
+
+			let mut batches = Vec::<BenchmarkBatch>::new();
+			let params = (&config, &whitelist);
+			add_benchmarks!(params, batches);
+
+			if batches.is_empty() { return Err("Benchmark not found for this pallet.".into()) }
+			Ok(batches)
+		}
+	}
+}
+
+struct CheckInherents;
+
+impl cumulus_pallet_parachain_system::CheckInherents<Block> for CheckInherents {
+	fn check_inherents(
+		block: &Block,
+		relay_state_proof: &cumulus_pallet_parachain_system::RelayChainStateProof,
+	) -> sp_inherents::CheckInherentsResult {
+		let relay_chain_slot = relay_state_proof
+			.read_slot()
+			.expect("Could not read the relay chain slot from the proof");
+
+		let inherent_data =
+			cumulus_primitives_timestamp::InherentDataProvider::from_relay_chain_slot_and_duration(
+				relay_chain_slot,
+				sp_std::time::Duration::from_secs(6),
+			)
+			.create_inherent_data()
+			.expect("Could not create the timestamp inherent data");
+
+		inherent_data.check_extrinsics(block)
+	}
+}
+
+cumulus_pallet_parachain_system::register_validate_block! {
+	Runtime = Runtime,
+	BlockExecutor = cumulus_pallet_aura_ext::BlockExecutor::<Runtime, Executive>,
+	CheckInherents = CheckInherents,
+}