lib.rs

// Copyright (C) 2018-2022 Parity Technologies (UK) Ltd.
// SPDX-License-Identifier: GPL-3.0-or-later WITH Classpath-exception-2.0
//
// This program 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.
//
// This program 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 this program. If not, see <https://www.gnu.org/licenses/>.

//! # Contracts Parachain
//!
//! A parachain for using FRAME's `pallet-contracts` and ink! contracts.

#![cfg_attr(not(feature = "std"), no_std)]
#![recursion_limit = "256"]

// Make the WASM binary available.
#[cfg(feature = "std")]
include!(concat!(env!("OUT_DIR"), "/wasm_binary.rs"));

pub mod constants;
mod contracts;
mod weights;
mod xcm_config;

use cumulus_pallet_parachain_system::RelayNumberStrictlyIncreases;
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::*, fee::WeightToFee};
use frame_support::{
	construct_runtime,
	dispatch::DispatchClass,
	parameter_types,
	traits::{ConstU128, ConstU16, ConstU32, ConstU64, ConstU8, Everything},
	weights::{ConstantMultiplier, Weight},
	PalletId,
};
use frame_system::limits::{BlockLength, BlockWeights};
pub use parachains_common as common;
use parachains_common::{
	impls::DealWithFees, opaque, AccountId, BlockNumber, Hash, Header, Index, Signature,
	AVERAGE_ON_INITIALIZE_RATIO, MAXIMUM_BLOCK_WEIGHT, MINUTES, NORMAL_DISPATCH_RATIO,
	SLOT_DURATION,
};
pub use parachains_common::{AuraId, Balance};
use xcm_config::CollatorSelectionUpdateOrigin;

#[cfg(any(feature = "std", test))]
pub use sp_runtime::BuildStorage;

// Polkadot imports
use polkadot_runtime_common::{BlockHashCount, SlowAdjustingFeeUpdate};

use weights::{BlockExecutionWeight, ExtrinsicBaseWeight, RocksDbWeight};

/// The address format for describing accounts.
pub type Address = sp_runtime::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>;

pub type Migrations = (
	pallet_contracts::Migration<Runtime>,
	pallet_balances::migration::MigrateToTrackInactive<Runtime, xcm_config::CheckingAccount>,
);

/// Executive: handles dispatch to the various modules.
pub type Executive = frame_executive::Executive<
	Runtime,
	Block,
	frame_system::ChainContext<Runtime>,
	Runtime,
	AllPalletsWithSystem,
	Migrations,
>;

impl_opaque_keys! {
	pub struct SessionKeys {
		pub aura: Aura,
	}
}

#[sp_version::runtime_version]
pub const VERSION: RuntimeVersion = RuntimeVersion {
	spec_name: create_runtime_str!("contracts-rococo"),
	impl_name: create_runtime_str!("contracts-rococo"),
	authoring_version: 1,
	spec_version: 9330,
	impl_version: 0,
	apis: RUNTIME_API_VERSIONS,
	transaction_version: 3,
	state_version: 1,
};

/// 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;
	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();
}

// Configure FRAME pallets to include in runtime.
impl frame_system::Config for Runtime {
	type BaseCallFilter = Everything;
	type BlockWeights = RuntimeBlockWeights;
	type BlockLength = RuntimeBlockLength;
	type AccountId = AccountId;
	type RuntimeCall = RuntimeCall;
	type Lookup = AccountIdLookup<AccountId, ()>;
	type Index = Index;
	type BlockNumber = BlockNumber;
	type Hash = Hash;
	type Hashing = BlakeTwo256;
	type Header = Header;
	type RuntimeEvent = RuntimeEvent;
	type RuntimeOrigin = RuntimeOrigin;
	type BlockHashCount = BlockHashCount;
	type DbWeight = RocksDbWeight;
	type Version = Version;
	type PalletInfo = PalletInfo;
	type OnNewAccount = ();
	type OnKilledAccount = ();
	type AccountData = pallet_balances::AccountData<Balance>;
	type SystemWeightInfo = frame_system::weights::SubstrateWeight<Runtime>;
	type SS58Prefix = ConstU16<42>;
	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 = pallet_timestamp::weights::SubstrateWeight<Runtime>;
}

impl pallet_authorship::Config for Runtime {
	type FindAuthor = pallet_session::FindAccountFromAuthorIndex<Self, Aura>;
	type UncleGenerations = ConstU32<0>;
	type FilterUncle = ();
	type EventHandler = (CollatorSelection,);
}

impl pallet_balances::Config for Runtime {
	type MaxLocks = ConstU32<50>;
	/// The type for recording an account's balance.
	type Balance = Balance;
	/// The ubiquitous event type.
	type RuntimeEvent = RuntimeEvent;
	type DustRemoval = ();
	type ExistentialDeposit = ConstU128<EXISTENTIAL_DEPOSIT>;
	type AccountStore = System;
	type WeightInfo = pallet_balances::weights::SubstrateWeight<Runtime>;
	type MaxReserves = ConstU32<50>;
	type ReserveIdentifier = [u8; 8];
}

impl pallet_transaction_payment::Config for Runtime {
	type RuntimeEvent = RuntimeEvent;
	type OnChargeTransaction =
		pallet_transaction_payment::CurrencyAdapter<Balances, DealWithFees<Runtime>>;
	type WeightToFee = WeightToFee;
	/// Relay Chain `TransactionByteFee` / 10
	type LengthToFee = ConstantMultiplier<Balance, ConstU128<MILLICENTS>>;
	type FeeMultiplierUpdate = SlowAdjustingFeeUpdate<Self>;
	type OperationalFeeMultiplier = ConstU8<5>;
}

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 = pallet_multisig::weights::SubstrateWeight<Runtime>;
}

impl pallet_utility::Config for Runtime {
	type RuntimeEvent = RuntimeEvent;
	type RuntimeCall = RuntimeCall;
	type PalletsOrigin = OriginCaller;
	type WeightInfo = pallet_utility::weights::SubstrateWeight<Runtime>;
}

parameter_types! {
	pub const ReservedDmpWeight: Weight = MAXIMUM_BLOCK_WEIGHT.saturating_div(4);
	pub const ReservedXcmpWeight: 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 DmpMessageHandler = DmpQueue;
	type ReservedDmpWeight = ReservedDmpWeight;
	type OutboundXcmpMessageSource = XcmpQueue;
	type XcmpMessageHandler = XcmpQueue;
	type ReservedXcmpWeight = ReservedXcmpWeight;
	type CheckAssociatedRelayNumber = RelayNumberStrictlyIncreases;
}

impl pallet_randomness_collective_flip::Config for Runtime {}

impl parachain_info::Config for Runtime {}

impl cumulus_pallet_aura_ext::Config for Runtime {}

parameter_types! {
	pub const Period: u32 = 10 * MINUTES;
	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<Period, Offset>;
	type NextSessionRotation = pallet_session::PeriodicSessions<Period, 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 = pallet_session::weights::SubstrateWeight<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");
}

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<0>;
	type MaxInvulnerables = ConstU32<100>;
	// should be a multiple of session or things will get inconsistent
	type KickThreshold = Period;
	type ValidatorId = <Self as frame_system::Config>::AccountId;
	type ValidatorIdOf = pallet_collator_selection::IdentityCollator;
	type ValidatorRegistration = Session;
	type WeightInfo = pallet_collator_selection::weights::SubstrateWeight<Runtime>;
}

impl pallet_sudo::Config for Runtime {
	type RuntimeCall = RuntimeCall;
	type RuntimeEvent = RuntimeEvent;
}

// 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,
		RandomnessCollectiveFlip: pallet_randomness_collective_flip::{Pallet, Storage} = 2,
		Timestamp: pallet_timestamp::{Pallet, Call, Storage, Inherent} = 3,
		ParachainInfo: parachain_info::{Pallet, Storage, Config} = 4,

		// 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 5 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, Storage, 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,

		// Smart Contracts.
		Contracts: pallet_contracts::{Pallet, Call, Storage, Event<T>} = 40,

		// Handy utilities.
		Utility: pallet_utility::{Pallet, Call, Event} = 50,
		Multisig: pallet_multisig::{Pallet, Call, Storage, Event<T>} = 51,

		// Sudo
		Sudo: pallet_sudo::{Pallet, Call, Config<T>, Event<T>, Storage} = 100,
	}
);

#[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]
		[pallet_contracts, Contracts]
	);
}

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 pallet_transaction_payment_rpc_runtime_api::TransactionPaymentCallApi<Block, Balance, RuntimeCall>
		for Runtime
	{
		fn query_call_info(
			call: RuntimeCall,
			len: u32,
		) -> pallet_transaction_payment::RuntimeDispatchInfo<Balance> {
			TransactionPayment::query_call_info(call, len)
		}
		fn query_call_fee_details(
			call: RuntimeCall,
			len: u32,
		) -> pallet_transaction_payment::FeeDetails<Balance> {
			TransactionPayment::query_call_fee_details(call, 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)
		}
	}

	impl pallet_contracts::ContractsApi<Block, AccountId, Balance, BlockNumber, Hash> for Runtime {
		fn call(
			origin: AccountId,
			dest: AccountId,
			value: Balance,
			gas_limit: Option<Weight>,
			storage_deposit_limit: Option<Balance>,
			input_data: Vec<u8>,
		) -> pallet_contracts_primitives::ContractExecResult<Balance> {
			let gas_limit = gas_limit.unwrap_or(RuntimeBlockWeights::get().max_block);
			Contracts::bare_call(
				origin,
				dest,
				value,
				gas_limit,
				storage_deposit_limit,
				input_data,
				contracts::CONTRACTS_DEBUG_OUTPUT,
				pallet_contracts::Determinism::Deterministic,
			)
		}

		fn instantiate(
			origin: AccountId,
			value: Balance,
			gas_limit: Option<Weight>,
			storage_deposit_limit: Option<Balance>,
			code: pallet_contracts_primitives::Code<Hash>,
			data: Vec<u8>,
			salt: Vec<u8>,
		) -> pallet_contracts_primitives::ContractInstantiateResult<AccountId, Balance> {
			let gas_limit = gas_limit.unwrap_or(RuntimeBlockWeights::get().max_block);
			Contracts::bare_instantiate(
				origin,
				value,
				gas_limit,
				storage_deposit_limit,
				code,
				data,
				salt,
				contracts::CONTRACTS_DEBUG_OUTPUT,
			)
		}

		fn upload_code(
			origin: AccountId,
			code: Vec<u8>,
			storage_deposit_limit: Option<Balance>,
			determinism: pallet_contracts::Determinism,
		) -> pallet_contracts_primitives::CodeUploadResult<Hash, Balance> {
			Contracts::bare_upload_code(
				origin,
				code,
				storage_deposit_limit,
				determinism,
			)
		}

		fn get_storage(
			address: AccountId,
			key: Vec<u8>,
		) -> pallet_contracts_primitives::GetStorageResult {
			Contracts::get_storage(address, key)
		}
	}

	#[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 contracts");
			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::contracts", "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,
}