ink_parachain_runtime/

lib.rs

#![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"));

mod assets_config;
mod revive_config;
mod weights;
mod xcm_config;

extern crate alloc;

use alloc::{vec, vec::Vec};
use codec::Encode;
use cumulus_pallet_parachain_system::RelayNumberStrictlyIncreases;
use polkadot_runtime_common::xcm_sender::NoPriceForMessageDelivery;
use smallvec::smallvec;
use sp_api::impl_runtime_apis;
use sp_core::{crypto::KeyTypeId, OpaqueMetadata, H160, U256};
use sp_runtime::{
	generic, impl_opaque_keys,
	traits::{BlakeTwo256, Block as BlockT, IdentifyAccount, Verify},
	transaction_validity::{TransactionSource, TransactionValidity},
	ApplyExtrinsicResult, MultiSignature,
};

use cumulus_primitives_core::{AggregateMessageOrigin, ParaId};
use frame_support::{
	derive_impl,
	dispatch::{DispatchClass, DispatchInfo},
	genesis_builder_helper::{build_state, get_preset},
	parameter_types,
	traits::{ConstBool, ConstU32, ConstU64, ConstU8, EitherOfDiverse, TransformOrigin},
	weights::{
		constants::WEIGHT_REF_TIME_PER_SECOND, ConstantMultiplier, Weight, WeightToFeeCoefficient,
		WeightToFeeCoefficients, WeightToFeePolynomial,
	},
	PalletId,
};
use frame_system::{
	limits::{BlockLength, BlockWeights},
	EnsureRoot,
};
use pallet_revive::AddressMapper;
use pallet_xcm::{EnsureXcm, IsVoiceOfBody};
use parachains_common::message_queue::{NarrowOriginToSibling, ParaIdToSibling};
pub use sp_consensus_aura::sr25519::AuthorityId as AuraId;
pub use sp_runtime::{MultiAddress, Perbill, Permill};
#[cfg(feature = "std")]
use sp_version::NativeVersion;
use sp_version::RuntimeVersion;
use xcm_config::{RelayLocation, 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 xcm::latest::prelude::BodyId;

/// Alias to 512-bit hash when used in the context of a transaction signature on the chain.
pub type Signature = MultiSignature;

/// Some way of identifying an account on the chain. We intentionally make it equivalent
/// to the public key of our transaction signing scheme.
pub type AccountId = <<Signature as Verify>::Signer as IdentifyAccount>::AccountId;

/// Balance of an account.
pub type Balance = u128;

/// Index of a transaction in the chain.
pub type Nonce = u32;

/// A hash of some data used by the chain.
pub type Hash = sp_core::H256;

/// An index to a block.
pub type BlockNumber = u32;

/// The address format for describing accounts.
pub type Address = MultiAddress<AccountId, ()>;

/// Block header type as expected by this runtime.
pub type Header = generic::Header<BlockNumber, BlakeTwo256>;

/// 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>;

type ConsensusHook = cumulus_pallet_aura_ext::FixedVelocityConsensusHook<
	Runtime,
	RELAY_CHAIN_SLOT_DURATION_MILLIS,
	BLOCK_PROCESSING_VELOCITY,
	UNINCLUDED_SEGMENT_CAPACITY,
>;

/// The SignedExtension to the basic transaction logic.
pub type TxExtension = (
	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>,
);

#[derive(Clone, PartialEq, Eq, Debug)]
pub struct EthExtraImpl;

impl EthExtra for EthExtraImpl {
	type Config = Runtime;
	type Extension = TxExtension;

	fn get_eth_extension(nonce: u32, tip: Balance) -> Self::Extension {
		(
			frame_system::CheckNonZeroSender::<Runtime>::new(),
			frame_system::CheckSpecVersion::<Runtime>::new(),
			frame_system::CheckTxVersion::<Runtime>::new(),
			frame_system::CheckGenesis::<Runtime>::new(),
			frame_system::CheckEra::from(crate::generic::Era::Immortal),
			frame_system::CheckNonce::<Runtime>::from(nonce),
			frame_system::CheckWeight::<Runtime>::new(),
			pallet_transaction_payment::ChargeTransactionPayment::<Runtime>::from(tip),
		)
	}
}

/// Unchecked extrinsic type as expected by this runtime.
pub type UncheckedExtrinsic =
	pallet_revive::evm::runtime::UncheckedExtrinsic<Address, Signature, EthExtraImpl>;

/// 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:
		// 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,
		}]
	}
}

/// Opaque types. These are used by the CLI to instantiate machinery that don't need to know
/// the specifics of the runtime. They can then be made to be agnostic over specific formats
/// of data like extrinsics, allowing for them to continue syncing the network through upgrades
/// to even the core data structures.
pub mod opaque {
	use super::*;
	use sp_runtime::{
		generic,
		traits::{BlakeTwo256, Hash as HashT},
	};

	pub use sp_runtime::OpaqueExtrinsic as UncheckedExtrinsic;
	/// Opaque block header type.
	pub type Header = generic::Header<BlockNumber, BlakeTwo256>;
	/// Opaque block type.
	pub type Block = generic::Block<Header, UncheckedExtrinsic>;
	/// Opaque block identifier type.
	pub type BlockId = generic::BlockId<Block>;
	/// Opaque block hash type.
	pub type Hash = <BlakeTwo256 as HashT>::Output;
}

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

#[sp_version::runtime_version]
pub const VERSION: RuntimeVersion = RuntimeVersion {
	spec_name: alloc::borrow::Cow::Borrowed("ink-parachain"),
	impl_name: alloc::borrow::Cow::Borrowed("ink-parachain"),
	authoring_version: 1,
	spec_version: 1,
	impl_version: 0,
	apis: RUNTIME_API_VERSIONS,
	transaction_version: 1,
	system_version: 1,
};

mod block_times {
	/// This determines the average expected block time that we are targeting. Blocks will be
	/// produced at a minimum duration defined by `SLOT_DURATION`. `SLOT_DURATION` is picked up by
	/// `pallet_timestamp` which is in turn picked up by `pallet_aura` to implement `fn
	/// slot_duration()`.
	///
	/// Change this to adjust the block time.
	pub const MILLISECS_PER_BLOCK: u64 = 6000;

	// NOTE: Currently it is not possible to change the slot duration after the chain has started.
	// Attempting to do so will brick block production.
	pub const SLOT_DURATION: u64 = MILLISECS_PER_BLOCK;
}
pub use block_times::*;

// Time is measured by number of blocks.
pub const MINUTES: BlockNumber = 60_000 / (MILLISECS_PER_BLOCK as BlockNumber);
pub const HOURS: BlockNumber = MINUTES * 60;
pub const DAYS: BlockNumber = HOURS * 24;

// 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;

/// We assume that ~5% of the block weight is consumed by `on_initialize` handlers. This is
/// used to limit the maximal weight of a single extrinsic.
const AVERAGE_ON_INITIALIZE_RATIO: Perbill = Perbill::from_percent(5);

/// We allow `Normal` extrinsics to fill up the block up to 75%, the rest can be used by
/// `Operational` extrinsics.
const NORMAL_DISPATCH_RATIO: Perbill = Perbill::from_percent(75);

/// We allow for 2 seconds of compute with a 6 second average block time.
const MAXIMUM_BLOCK_WEIGHT: Weight = Weight::from_parts(
	WEIGHT_REF_TIME_PER_SECOND.saturating_mul(2),
	cumulus_primitives_core::relay_chain::MAX_POV_SIZE as u64,
);

mod async_backing_params {
	/// Maximum number of blocks simultaneously accepted by the Runtime, not yet included
	/// into the relay chain.
	pub(crate) const UNINCLUDED_SEGMENT_CAPACITY: u32 = 3;
	/// How many parachain blocks are processed by the relay chain per parent. Limits the
	/// number of blocks authored per slot.
	pub(crate) const BLOCK_PROCESSING_VELOCITY: u32 = 1;
	/// Relay chain slot duration, in milliseconds.
	pub(crate) const RELAY_CHAIN_SLOT_DURATION_MILLIS: u32 = 6000;
}
pub(crate) use async_backing_params::*;

/// 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;
}

/// The default types are being injected by [`derive_impl`](`frame_support::derive_impl`) from
/// [`ParaChainDefaultConfig`](`struct@frame_system::config_preludes::ParaChainDefaultConfig`),
/// but overridden as needed.
#[derive_impl(frame_system::config_preludes::ParaChainDefaultConfig)]
impl frame_system::Config for Runtime {
	/// The identifier used to distinguish between accounts.
	type AccountId = AccountId;
	/// The index type for storing how many extrinsics an account has signed.
	type Nonce = Nonce;
	/// The type for hashing blocks and tries.
	type Hash = Hash;
	/// The block type.
	type Block = Block;
	/// Maximum number of block number to block hash mappings to keep (oldest pruned first).
	type BlockHashCount = BlockHashCount;
	/// Runtime version.
	type Version = Version;
	/// The data to be stored in an account.
	type AccountData = pallet_balances::AccountData<Balance>;
	/// The weight of database operations that the runtime can invoke.
	type DbWeight = RocksDbWeight;
	/// 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 = frame_support::traits::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 = ();
}

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

parameter_types! {
	pub const ExistentialDeposit: Balance = EXISTENTIAL_DEPOSIT;
}

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 = ExistentialDeposit;
	type AccountStore = System;
	type WeightInfo = pallet_balances::weights::SubstrateWeight<Runtime>;
	type MaxReserves = ConstU32<50>;
	type ReserveIdentifier = [u8; 8];
	type RuntimeHoldReason = RuntimeHoldReason;
	type RuntimeFreezeReason = RuntimeFreezeReason;
	type FreezeIdentifier = ();
	type MaxFreezes = ConstU32<50>;
	type DoneSlashHandler = ();
}

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::FungibleAdapter<Balances, ()>;
	type WeightToFee = WeightToFee;
	type LengthToFee = ConstantMultiplier<Balance, TransactionByteFee>;
	type FeeMultiplierUpdate = SlowAdjustingFeeUpdate<Self>;
	type OperationalFeeMultiplier = ConstU8<5>;
	type WeightInfo = pallet_transaction_payment::weights::SubstrateWeight<Runtime>;
}

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

parameter_types! {
	pub const ReservedXcmpWeight: Weight = MAXIMUM_BLOCK_WEIGHT.saturating_div(4);
	pub const ReservedDmpWeight: Weight = MAXIMUM_BLOCK_WEIGHT.saturating_div(4);
	pub const RelayOrigin: AggregateMessageOrigin = AggregateMessageOrigin::Parent;
}

impl cumulus_pallet_parachain_system::Config for Runtime {
	type WeightInfo = ();
	type RuntimeEvent = RuntimeEvent;
	type OnSystemEvent = ();
	type SelfParaId = parachain_info::Pallet<Runtime>;
	type OutboundXcmpMessageSource = XcmpQueue;
	type DmpQueue = frame_support::traits::EnqueueWithOrigin<MessageQueue, RelayOrigin>;
	type ReservedDmpWeight = ReservedDmpWeight;
	type XcmpMessageHandler = XcmpQueue;
	type ReservedXcmpWeight = ReservedXcmpWeight;
	type CheckAssociatedRelayNumber = RelayNumberStrictlyIncreases;
	type ConsensusHook = ConsensusHook;
	type SelectCore = cumulus_pallet_parachain_system::DefaultCoreSelector<Runtime>;
}

impl parachain_info::Config for Runtime {}

parameter_types! {
	pub MessageQueueServiceWeight: Weight = Perbill::from_percent(35) * RuntimeBlockWeights::get().max_block;
}

impl pallet_message_queue::Config for Runtime {
	type RuntimeEvent = RuntimeEvent;
	type WeightInfo = ();
	#[cfg(feature = "runtime-benchmarks")]
	type MessageProcessor = pallet_message_queue::mock_helpers::NoopMessageProcessor<
		cumulus_primitives_core::AggregateMessageOrigin,
	>;
	#[cfg(not(feature = "runtime-benchmarks"))]
	type MessageProcessor = xcm_builder::ProcessXcmMessage<
		AggregateMessageOrigin,
		xcm_executor::XcmExecutor<xcm_config::XcmConfig>,
		RuntimeCall,
	>;
	type Size = u32;
	// The XCMP queue pallet is only ever able to handle the `Sibling(ParaId)` origin:
	type QueueChangeHandler = NarrowOriginToSibling<XcmpQueue>;
	type QueuePausedQuery = NarrowOriginToSibling<XcmpQueue>;
	type HeapSize = ConstU32<{ 64 * 1024 }>;
	type MaxStale = ConstU32<8>;
	type ServiceWeight = MessageQueueServiceWeight;
	type IdleMaxServiceWeight = ();
}

impl cumulus_pallet_aura_ext::Config for Runtime {}

impl cumulus_pallet_xcmp_queue::Config for Runtime {
	type RuntimeEvent = RuntimeEvent;
	type ChannelInfo = ParachainSystem;
	type VersionWrapper = ();
	// Enqueue XCMP messages from siblings for later processing.
	type XcmpQueue = TransformOrigin<MessageQueue, AggregateMessageOrigin, ParaId, ParaIdToSibling>;
	type MaxInboundSuspended = ConstU32<1_000>;
	type MaxActiveOutboundChannels = ConstU32<128>;
	type MaxPageSize = ConstU32<{ 1 << 16 }>;
	type ControllerOrigin = EnsureRoot<AccountId>;
	type ControllerOriginConverter = XcmOriginToTransactDispatchOrigin;
	type WeightInfo = ();
	type PriceForSiblingDelivery = NoPriceForMessageDelivery<ParaId>;
}

parameter_types! {
	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<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 = ();
	type DisablingStrategy = ();
}

impl pallet_aura::Config for Runtime {
	type AuthorityId = AuraId;
	type DisabledValidators = ();
	type MaxAuthorities = ConstU32<100_000>;
	type AllowMultipleBlocksPerSlot = ConstBool<false>;
	type SlotDuration = pallet_aura::MinimumPeriodTimesTwo<Self>;
}

parameter_types! {
	pub const PotId: PalletId = PalletId(*b"PotStake");
	pub const SessionLength: BlockNumber = 6 * HOURS;
	// StakingAdmin pluralistic body.
	pub const StakingAdminBodyId: BodyId = BodyId::Defense;
}

/// We allow root and the StakingAdmin to execute privileged collator selection operations.
pub type CollatorSelectionUpdateOrigin = EitherOfDiverse<
	EnsureRoot<AccountId>,
	EnsureXcm<IsVoiceOfBody<RelayLocation, StakingAdminBodyId>>,
>;

impl pallet_collator_selection::Config for Runtime {
	type RuntimeEvent = RuntimeEvent;
	type Currency = Balances;
	type UpdateOrigin = CollatorSelectionUpdateOrigin;
	type PotId = PotId;
	type MaxCandidates = ConstU32<100>;
	type MinEligibleCollators = ConstU32<4>;
	type MaxInvulnerables = ConstU32<20>;
	// 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 = ();
}

pub use pallet_balances::Call as BalancesCall;
use pallet_revive::evm::runtime::EthExtra;
use sp_runtime::traits::TransactionExtension;

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

// Create the runtime by composing the FRAME pallets that were previously configured.
#[frame_support::runtime]
mod runtime {

	#[runtime::runtime]
	#[runtime::derive(
		RuntimeCall,
		RuntimeEvent,
		RuntimeError,
		RuntimeOrigin,
		RuntimeFreezeReason,
		RuntimeHoldReason,
		RuntimeSlashReason,
		RuntimeLockId,
		RuntimeTask,
		RuntimeViewFunction
	)]
	pub struct Runtime;

	// Order should match with Runtime defined in runtime/src/lib.rs
	#[runtime::pallet_index(0)]
	pub type System = frame_system;
	#[runtime::pallet_index(1)]
	pub type RandomnessCollectiveFlip = pallet_insecure_randomness_collective_flip;
	#[runtime::pallet_index(2)]
	pub type Utility = pallet_utility;
	#[runtime::pallet_index(3)]
	pub type Timestamp = pallet_timestamp;
	#[runtime::pallet_index(4)]
	pub type Balances = pallet_balances;
	#[runtime::pallet_index(5)]
	pub type Authorship = pallet_authorship;
	#[runtime::pallet_index(6)]
	pub type TransactionPayment = pallet_transaction_payment;
	#[runtime::pallet_index(7)]
	pub type Sudo = pallet_sudo;
	#[runtime::pallet_index(10)]
	pub type Revive = pallet_revive;
	#[runtime::pallet_index(11)]
	pub type Assets = pallet_assets;
	// Parachain support.
	#[runtime::pallet_index(12)]
	pub type ParachainSystem = cumulus_pallet_parachain_system;
	#[runtime::pallet_index(13)]
	pub type ParachainInfo = parachain_info;

	// Collator support. The order of these 4 are important and shall not change.
	#[runtime::pallet_index(14)]
	pub type CollatorSelection = pallet_collator_selection;
	#[runtime::pallet_index(15)]
	pub type Session = pallet_session;
	#[runtime::pallet_index(16)]
	pub type Aura = pallet_aura;
	#[runtime::pallet_index(17)]
	pub type AuraExt = cumulus_pallet_aura_ext;
	// XCM helpers.
	#[runtime::pallet_index(18)]
	pub type XcmpQueue = cumulus_pallet_xcmp_queue;
	#[runtime::pallet_index(19)]
	pub type PolkadotXcm = pallet_xcm;
	#[runtime::pallet_index(20)]
	pub type CumulusXcm = cumulus_pallet_xcm;
	#[runtime::pallet_index(21)]
	pub type MessageQueue = pallet_message_queue;
}

#[cfg(feature = "runtime-benchmarks")]
mod benches {
	frame_benchmarking::define_benchmarks!(
		[frame_system, SystemBench::<Runtime>]
		[pallet_balances, Balances]
		[pallet_session, SessionBench::<Runtime>]
		[pallet_timestamp, Timestamp]
		[pallet_message_queue, MessageQueue]
		[pallet_sudo, Sudo]
		[pallet_collator_selection, CollatorSelection]
		[cumulus_pallet_parachain_system, ParachainSystem]
		[cumulus_pallet_xcmp_queue, XcmpQueue]
	);
}

impl TryFrom<RuntimeCall> for pallet_revive::Call<Runtime> {
	type Error = ();

	fn try_from(value: RuntimeCall) -> Result<Self, Self::Error> {
		match value {
			RuntimeCall::Revive(call) => Ok(call),
			_ => Err(()),
		}
	}
}

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(SLOT_DURATION)
		}

		fn authorities() -> Vec<AuraId> {
			pallet_aura::Authorities::<Runtime>::get().into_inner()
		}
	}

	impl cumulus_primitives_aura::AuraUnincludedSegmentApi<Block> for Runtime {
		fn can_build_upon(
			included_hash: <Block as BlockT>::Hash,
			slot: cumulus_primitives_aura::Slot
		) -> bool {
			ConsensusHook::can_build_upon(included_hash, slot)
		}
	}

	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) -> sp_runtime::ExtrinsicInclusionMode {
			Executive::initialize_block(header)
		}
	}

	impl sp_api::Metadata<Block> for Runtime {
		fn metadata() -> OpaqueMetadata {
			OpaqueMetadata::new(Runtime::metadata().into())
		}

		fn metadata_at_version(version: u32) -> Option<OpaqueMetadata> {
			Runtime::metadata_at_version(version)
		}

		fn metadata_versions() -> Vec<u32> {
			Runtime::metadata_versions()
		}
	}

	impl frame_support::view_functions::runtime_api::RuntimeViewFunction<Block> for Runtime {
		fn execute_view_function(id: frame_support::view_functions::ViewFunctionId, input: Vec<u8>) -> Result<Vec<u8>, frame_support::view_functions::ViewFunctionDispatchError> {
			Runtime::execute_view_function(id, input)
		}
	}

	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, Nonce> for Runtime {
		fn account_nonce(account: AccountId) -> Nonce {
			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)
		}
		fn query_weight_to_fee(weight: Weight) -> Balance {
			TransactionPayment::weight_to_fee(weight)
		}
		fn query_length_to_fee(length: u32) -> Balance {
			TransactionPayment::length_to_fee(length)
		}
	}

	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)
		}
		fn query_weight_to_fee(weight: Weight) -> Balance {
			TransactionPayment::weight_to_fee(weight)
		}
		fn query_length_to_fee(length: u32) -> Balance {
			TransactionPayment::length_to_fee(length)
		}
	}

	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(checks: frame_try_runtime::UpgradeCheckSelect) -> (Weight, Weight) {
			let weight = Executive::try_runtime_upgrade(checks).unwrap();
			(weight, RuntimeBlockWeights::get().max_block)
		}

		fn execute_block(
			block: Block,
			state_root_check: bool,
			signature_check: bool,
			select: frame_try_runtime::TryStateSelect,
		) -> Weight {
			// NOTE: intentional unwrap: we don't want to propagate the error backwards, and want to
			// have a backtrace here.
			Executive::try_execute_block(block, state_root_check, signature_check, select).unwrap()
		}
	}

	#[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();
			(list, storage_info)
		}

		fn dispatch_benchmark(
			config: frame_benchmarking::BenchmarkConfig
		) -> Result<Vec<frame_benchmarking::BenchmarkBatch>, sp_runtime::RuntimeString> {
			use frame_benchmarking::{BenchmarkError, Benchmarking, BenchmarkBatch};

			use frame_system_benchmarking::Pallet as SystemBench;
			impl frame_system_benchmarking::Config for Runtime {
				fn setup_set_code_requirements(code: &Vec<u8>) -> Result<(), BenchmarkError> {
					ParachainSystem::initialize_for_set_code_benchmark(code.len() as u32);
					Ok(())
				}

				fn verify_set_code() {
					System::assert_last_event(cumulus_pallet_parachain_system::Event::<Runtime>::ValidationFunctionStored.into());
				}
			}

			use cumulus_pallet_session_benchmarking::Pallet as SessionBench;
			impl cumulus_pallet_session_benchmarking::Config for Runtime {}

			use frame_support::traits::WhitelistedStorageKeys;
			let whitelist = AllPalletsWithSystem::whitelisted_storage_keys();

			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)
		}
	}

	impl pallet_revive::ReviveApi<Block, AccountId, Balance, Nonce, BlockNumber> for Runtime
	{
		fn balance(address: H160) -> U256 {
			Revive::evm_balance(&address)
		}

		fn block_gas_limit() -> U256 {
			Revive::evm_block_gas_limit()
		}

		fn gas_price() -> U256 {
			Revive::evm_gas_price()
		}

		fn nonce(address: H160) -> Nonce {
			let account = <Runtime as pallet_revive::Config>::AddressMapper::to_account_id(&address);
			System::account_nonce(account)
		}

		fn eth_transact(tx: pallet_revive::evm::GenericTransaction) -> Result<pallet_revive::EthTransactInfo<Balance>, pallet_revive::EthTransactError>
		{
			let blockweights: BlockWeights = <Runtime as frame_system::Config>::BlockWeights::get();
			let tx_fee = |pallet_call, mut dispatch_info: DispatchInfo| {
				let call = RuntimeCall::Revive(pallet_call);
				dispatch_info.extension_weight = EthExtraImpl::get_eth_extension(0, 0u32.into()).weight(&call);
				let uxt: UncheckedExtrinsic = sp_runtime::generic::UncheckedExtrinsic::new_bare(call).into();

				pallet_transaction_payment::Pallet::<Runtime>::compute_fee(
					uxt.encoded_size() as u32,
					&dispatch_info,
					0u32.into(),
				)
			};

			Revive::bare_eth_transact(tx, blockweights.max_block, tx_fee)
		}

		fn call(
			origin: AccountId,
			dest: H160,
			value: Balance,
			gas_limit: Option<Weight>,
			storage_deposit_limit: Option<Balance>,
			input_data: Vec<u8>,
		) -> pallet_revive::ContractResult<pallet_revive::ExecReturnValue, Balance> {
			Revive::bare_call(
				RuntimeOrigin::signed(origin),
				dest,
				value,
				gas_limit.unwrap_or(RuntimeBlockWeights::get().max_block),
				pallet_revive::DepositLimit::Balance(storage_deposit_limit.unwrap_or(u128::MAX)),
				input_data,
			)
		}

		fn instantiate(
			origin: AccountId,
			value: Balance,
			gas_limit: Option<Weight>,
			storage_deposit_limit: Option<Balance>,
			code: pallet_revive::Code,
			data: Vec<u8>,
			salt: Option<[u8; 32]>,
		) -> pallet_revive::ContractResult<pallet_revive::InstantiateReturnValue, Balance>
		{
			Revive::bare_instantiate(
				RuntimeOrigin::signed(origin),
				value,
				gas_limit.unwrap_or(RuntimeBlockWeights::get().max_block),
				pallet_revive::DepositLimit::Balance(storage_deposit_limit.unwrap_or(u128::MAX)),
				code,
				data,
				salt,
			)
		}

		fn upload_code(
			origin: AccountId,
			code: Vec<u8>,
			storage_deposit_limit: Option<Balance>,
		) -> pallet_revive::CodeUploadResult<Balance>
		{
			Revive::bare_upload_code(
				RuntimeOrigin::signed(origin),
				code,
				storage_deposit_limit.unwrap_or(u128::MAX),
			)
		}

		fn get_storage(
			address: H160,
			key: [u8; 32],
		) -> pallet_revive::GetStorageResult {
			Revive::get_storage(
				address,
				key
			)
		}

		fn trace_block(
			block: Block,
			config: pallet_revive::evm::TracerConfig
		) -> Vec<(u32, pallet_revive::evm::CallTrace)> {
			use pallet_revive::tracing::trace;
			let mut tracer = config.build(Revive::evm_gas_from_weight);
			let mut traces = vec![];
			let (header, extrinsics) = block.deconstruct();

			Executive::initialize_block(&header);
			for (index, ext) in extrinsics.into_iter().enumerate() {
				trace(&mut tracer, || {
					let _ = Executive::apply_extrinsic(ext);
				});

				if let Some(tx_trace) = tracer.collect_traces().pop() {
					traces.push((index as u32, tx_trace));
				}
			}

			traces
		}

		fn trace_tx(
			block: Block,
			tx_index: u32,
			config: pallet_revive::evm::TracerConfig
		) -> Option<pallet_revive::evm::CallTrace> {
			use pallet_revive::tracing::trace;
			let mut tracer = config.build(Revive::evm_gas_from_weight);
			let (header, extrinsics) = block.deconstruct();

			Executive::initialize_block(&header);
			for (index, ext) in extrinsics.into_iter().enumerate() {
				if index as u32 == tx_index {
					trace(&mut tracer, || {
						let _ = Executive::apply_extrinsic(ext);
					});
					break;
				} else {
					let _ = Executive::apply_extrinsic(ext);
				}
			}

			tracer.collect_traces().pop()
		}

		fn trace_call(
			tx: pallet_revive::evm::GenericTransaction,
			config: pallet_revive::evm::TracerConfig)
			-> Result<pallet_revive::evm::CallTrace, pallet_revive::EthTransactError>
		{
			use pallet_revive::tracing::trace;
			let mut tracer = config.build(Revive::evm_gas_from_weight);
			trace(&mut tracer, || {
				Self::eth_transact(tx)
			})?;

			Ok(tracer.collect_traces().pop().expect("eth_transact succeeded, trace must exist, qed"))
		}
	}

	impl sp_genesis_builder::GenesisBuilder<Block> for Runtime {
		fn build_state(config: Vec<u8>) -> sp_genesis_builder::Result {
			build_state::<RuntimeGenesisConfig>(config)
		}

		fn get_preset(id: &Option<sp_genesis_builder::PresetId>) -> Option<Vec<u8>> {
			get_preset::<RuntimeGenesisConfig>(id, |_| None)
		}

		fn preset_names() -> Vec<sp_genesis_builder::PresetId> {
			Default::default()
		}
	}
}

cumulus_pallet_parachain_system::register_validate_block! {
	Runtime = Runtime,
	BlockExecutor = cumulus_pallet_aura_ext::BlockExecutor::<Runtime, Executive>,
}