// Copyright (C) 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"));

mod contracts;
mod weights;
pub mod xcm_config;

extern crate alloc;

use alloc::{vec, vec::Vec};
use cumulus_pallet_parachain_system::RelayNumberMonotonicallyIncreases;
use cumulus_primitives_core::{AggregateMessageOrigin, ClaimQueueOffset, CoreSelector};
use sp_api::impl_runtime_apis;
use sp_core::{crypto::KeyTypeId, OpaqueMetadata};
use sp_runtime::{
	generic, impl_opaque_keys,
	traits::Block as BlockT,
	transaction_validity::{TransactionSource, TransactionValidity},
	ApplyExtrinsicResult, Perbill,
};

#[cfg(feature = "std")]
use sp_version::NativeVersion;
use sp_version::RuntimeVersion;

use frame_support::{
	construct_runtime, derive_impl,
	dispatch::DispatchClass,
	genesis_builder_helper::{build_state, get_preset},
	parameter_types,
	traits::{ConstBool, ConstU32, ConstU64, ConstU8},
	weights::{ConstantMultiplier, Weight, WeightToFee as _},
	PalletId,
};
use frame_system::limits::{BlockLength, BlockWeights};
pub use parachains_common as common;
use parachains_common::{
	impls::DealWithFees, message_queue::*, AccountId, BlockNumber, Hash, Header, Nonce, Signature,
	AVERAGE_ON_INITIALIZE_RATIO, NORMAL_DISPATCH_RATIO,
};
pub use parachains_common::{AuraId, Balance};
use testnet_parachains_constants::rococo::{consensus::*, currency::*, fee::WeightToFee, time::*};
use xcm::prelude::*;
use xcm_config::CollatorSelectionUpdateOrigin;
use xcm_runtime_apis::{
	dry_run::{CallDryRunEffects, Error as XcmDryRunApiError, XcmDryRunEffects},
	fees::Error as XcmPaymentApiError,
};

#[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 extension to the basic transaction logic.
pub type TxExtension = cumulus_pallet_weight_reclaim::StorageWeightReclaim<
	Runtime,
	(
		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, TxExtension>;

/// Migrations to apply on runtime upgrade.
pub type Migrations = (
	pallet_collator_selection::migration::v1::MigrateToV1<Runtime>,
	pallet_collator_selection::migration::v2::MigrationToV2<Runtime>,
	cumulus_pallet_parachain_system::migration::Migration<Runtime>,
	cumulus_pallet_xcmp_queue::migration::v2::MigrationToV2<Runtime>,
	cumulus_pallet_xcmp_queue::migration::v3::MigrationToV3<Runtime>,
	pallet_contracts::Migration<Runtime>,
	// unreleased
	cumulus_pallet_xcmp_queue::migration::v4::MigrationToV4<Runtime>,
	cumulus_pallet_xcmp_queue::migration::v5::MigrateV4ToV5<Runtime>,
	// permanent
	pallet_xcm::migration::MigrateToLatestXcmVersion<Runtime>,
);

type EventRecord = frame_system::EventRecord<
	<Runtime as frame_system::Config>::RuntimeEvent,
	<Runtime as frame_system::Config>::Hash,
>;

/// 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: alloc::borrow::Cow::Borrowed("contracts-rococo"),
	impl_name: alloc::borrow::Cow::Borrowed("contracts-rococo"),
	authoring_version: 1,
	spec_version: 1_017_001,
	impl_version: 0,
	apis: RUNTIME_API_VERSIONS,
	transaction_version: 7,
	system_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();
	pub const SS58Prefix: u8 = 42;
}

// Configure FRAME pallets to include in runtime.
#[derive_impl(frame_system::config_preludes::ParaChainDefaultConfig)]
impl frame_system::Config for Runtime {
	type BlockWeights = RuntimeBlockWeights;
	type BlockLength = RuntimeBlockLength;
	type AccountId = AccountId;
	type Nonce = Nonce;
	type Hash = Hash;
	type Block = Block;
	type BlockHashCount = BlockHashCount;
	type DbWeight = RocksDbWeight;
	type Version = Version;
	type AccountData = pallet_balances::AccountData<Balance>;
	type SystemWeightInfo = frame_system::weights::SubstrateWeight<Runtime>;
	type SS58Prefix = SS58Prefix;
	type OnSetCode = cumulus_pallet_parachain_system::ParachainSetCode<Self>;
	type MaxConsumers = ConstU32<16>;
}

impl cumulus_pallet_weight_reclaim::Config for Runtime {
	type WeightInfo = ();
}

impl pallet_timestamp::Config for Runtime {
	/// A timestamp: milliseconds since the unix epoch.
	type Moment = u64;
	type OnTimestampSet = Aura;
	type MinimumPeriod = ConstU64<0>;
	type WeightInfo = pallet_timestamp::weights::SubstrateWeight<Runtime>;
}

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<0>;
	type DoneSlashHandler = ();
}

parameter_types! {
	pub const TransactionByteFee: Balance = MILLICENTS;
}

impl pallet_transaction_payment::Config for Runtime {
	type RuntimeEvent = RuntimeEvent;
	type OnChargeTransaction =
		pallet_transaction_payment::FungibleAdapter<Balances, DealWithFees<Runtime>>;
	type WeightToFee = WeightToFee;
	/// Relay Chain `TransactionByteFee` / 10
	type LengthToFee = ConstantMultiplier<Balance, TransactionByteFee>;
	type FeeMultiplierUpdate = SlowAdjustingFeeUpdate<Self>;
	type OperationalFeeMultiplier = ConstU8<5>;
	type WeightInfo = pallet_transaction_payment::weights::SubstrateWeight<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 = pallet_multisig::weights::SubstrateWeight<Runtime>;
	type BlockNumberProvider = frame_system::Pallet<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);
	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 DmpQueue = frame_support::traits::EnqueueWithOrigin<MessageQueue, RelayOrigin>;
	type ReservedDmpWeight = ReservedDmpWeight;
	type OutboundXcmpMessageSource = XcmpQueue;
	type XcmpMessageHandler = XcmpQueue;
	type ReservedXcmpWeight = ReservedXcmpWeight;
	type CheckAssociatedRelayNumber = RelayNumberMonotonicallyIncreases;
	type ConsensusHook = ConsensusHook;
	type SelectCore = cumulus_pallet_parachain_system::DefaultCoreSelector<Runtime>;
}

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

impl pallet_insecure_randomness_collective_flip::Config for 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 = sp_core::ConstU32<{ 103 * 1024 }>;
	type MaxStale = sp_core::ConstU32<8>;
	type ServiceWeight = MessageQueueServiceWeight;
	type IdleMaxServiceWeight = MessageQueueServiceWeight;
}

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>;
	type AllowMultipleBlocksPerSlot = ConstBool<true>;
	type SlotDuration = ConstU64<SLOT_DURATION>;
}

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<100>;
	type MinEligibleCollators = ConstU32<1>;
	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 = pallet_collator_selection::weights::SubstrateWeight<Runtime>;
}

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

// Create the runtime by composing the FRAME pallets that were previously configured.
construct_runtime!(
	pub enum Runtime
	{
		// System support stuff.
		System: frame_system = 0,
		ParachainSystem: cumulus_pallet_parachain_system = 1,
		RandomnessCollectiveFlip: pallet_insecure_randomness_collective_flip = 2,
		Timestamp: pallet_timestamp = 3,
		ParachainInfo: parachain_info = 4,
		WeightReclaim: cumulus_pallet_weight_reclaim = 5,

		// Monetary stuff.
		Balances: pallet_balances = 10,
		TransactionPayment: pallet_transaction_payment = 11,

		// Collator support. The order of these 5 are important and shall not change.
		Authorship: pallet_authorship = 20,
		CollatorSelection: pallet_collator_selection = 21,
		Session: pallet_session = 22,
		Aura: pallet_aura = 23,
		AuraExt: cumulus_pallet_aura_ext = 24,

		// XCM helpers.
		XcmpQueue: cumulus_pallet_xcmp_queue = 30,
		PolkadotXcm: pallet_xcm = 31,
		CumulusXcm: cumulus_pallet_xcm = 32,
		MessageQueue: pallet_message_queue = 34,

		// Smart Contracts.
		Contracts: pallet_contracts = 40,

		// Handy utilities.
		Utility: pallet_utility = 50,
		Multisig: pallet_multisig = 51,

		// Sudo
		Sudo: pallet_sudo = 100,
	}
);

#[cfg(feature = "runtime-benchmarks")]
mod benches {
	frame_benchmarking::define_benchmarks!(
		[frame_system, SystemBench::<Runtime>]
		[frame_system_extensions, SystemExtensionsBench::<Runtime>]
		[pallet_balances, Balances]
		[pallet_message_queue, MessageQueue]
		[pallet_multisig, Multisig]
		[pallet_session, SessionBench::<Runtime>]
		[pallet_utility, Utility]
		[pallet_sudo, Sudo]
		[pallet_timestamp, Timestamp]
		[pallet_collator_selection, CollatorSelection]
		[cumulus_pallet_parachain_system, ParachainSystem]
		[pallet_contracts, Contracts]
		[pallet_xcm, PalletXcmExtrinsicsBenchmark::<Runtime>]
		[cumulus_pallet_weight_reclaim, WeightReclaim]
	);
}

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

	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 xcm_runtime_apis::fees::XcmPaymentApi<Block> for Runtime {
		fn query_acceptable_payment_assets(xcm_version: xcm::Version) -> Result<Vec<VersionedAssetId>, XcmPaymentApiError> {
			let acceptable_assets = vec![AssetId(xcm_config::RelayLocation::get())];
			PolkadotXcm::query_acceptable_payment_assets(xcm_version, acceptable_assets)
		}

		fn query_weight_to_asset_fee(weight: Weight, asset: VersionedAssetId) -> Result<u128, XcmPaymentApiError> {
			match asset.try_as::<AssetId>() {
				Ok(asset_id) if asset_id.0 == xcm_config::RelayLocation::get() => {
					// for native token
					Ok(WeightToFee::weight_to_fee(&weight))
				},
				Ok(asset_id) => {
					log::trace!(target: "xcm::xcm_runtime_apis", "query_weight_to_asset_fee - unhandled asset_id: {asset_id:?}!");
					Err(XcmPaymentApiError::AssetNotFound)
				},
				Err(_) => {
					log::trace!(target: "xcm::xcm_runtime_apis", "query_weight_to_asset_fee - failed to convert asset: {asset:?}!");
					Err(XcmPaymentApiError::VersionedConversionFailed)
				}
			}
		}

		fn query_xcm_weight(message: VersionedXcm<()>) -> Result<Weight, XcmPaymentApiError> {
			PolkadotXcm::query_xcm_weight(message)
		}

		fn query_delivery_fees(destination: VersionedLocation, message: VersionedXcm<()>) -> Result<VersionedAssets, XcmPaymentApiError> {
			PolkadotXcm::query_delivery_fees(destination, message)
		}
	}

	impl xcm_runtime_apis::dry_run::DryRunApi<Block, RuntimeCall, RuntimeEvent, OriginCaller> for Runtime {
		fn dry_run_call(origin: OriginCaller, call: RuntimeCall) -> Result<CallDryRunEffects<RuntimeEvent>, XcmDryRunApiError> {
			PolkadotXcm::dry_run_call::<Runtime, xcm_config::XcmRouter, OriginCaller, RuntimeCall>(origin, call)
		}

		fn dry_run_xcm(origin_location: VersionedLocation, xcm: VersionedXcm<RuntimeCall>) -> Result<XcmDryRunEffects<RuntimeEvent>, XcmDryRunApiError> {
			PolkadotXcm::dry_run_xcm::<Runtime, xcm_config::XcmRouter, RuntimeCall, xcm_config::XcmConfig>(origin_location, xcm)
		}
	}

	impl xcm_runtime_apis::conversions::LocationToAccountApi<Block, AccountId> for Runtime {
		fn convert_location(location: VersionedLocation) -> Result<
			AccountId,
			xcm_runtime_apis::conversions::Error
		> {
			xcm_runtime_apis::conversions::LocationToAccountHelper::<
				AccountId,
				xcm_config::LocationToAccountId
			>::convert_location(location)
		}
	}

	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 cumulus_primitives_core::GetCoreSelectorApi<Block> for Runtime {
		fn core_selector() -> (CoreSelector, ClaimQueueOffset) {
			ParachainSystem::core_selector()
		}
	}

	impl pallet_contracts::ContractsApi<Block, AccountId, Balance, BlockNumber, Hash, EventRecord> 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::ContractExecResult<Balance, EventRecord> {
			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::CollectEvents::UnsafeCollect,
				pallet_contracts::Determinism::Enforced,
			)
		}

		fn instantiate(
			origin: AccountId,
			value: Balance,
			gas_limit: Option<Weight>,
			storage_deposit_limit: Option<Balance>,
			code: pallet_contracts::Code<Hash>,
			data: Vec<u8>,
			salt: Vec<u8>,
		) -> pallet_contracts::ContractInstantiateResult<AccountId, Balance, EventRecord> {
			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,
				pallet_contracts::CollectEvents::UnsafeCollect,
			)
		}

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

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

	#[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 frame_system_benchmarking::extensions::Pallet as SystemExtensionsBench;
			use cumulus_pallet_session_benchmarking::Pallet as SessionBench;
			use pallet_xcm::benchmarking::Pallet as PalletXcmExtrinsicsBenchmark;

			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>, alloc::string::String> {
			use frame_benchmarking::{Benchmarking, BenchmarkBatch, BenchmarkError};
			use sp_storage::TrackedStorageKey;

			use frame_system_benchmarking::Pallet as SystemBench;
			use frame_system_benchmarking::extensions::Pallet as SystemExtensionsBench;
			impl frame_system_benchmarking::Config for Runtime {
				fn setup_set_code_requirements(code: &alloc::vec::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 {}

			parameter_types! {
				pub ExistentialDepositAsset: Option<Asset> = Some((
					xcm_config::RelayLocation::get(),
					ExistentialDeposit::get()
				).into());
			}

			use xcm::latest::prelude::*;
			use pallet_xcm::benchmarking::Pallet as PalletXcmExtrinsicsBenchmark;
			impl pallet_xcm::benchmarking::Config for Runtime {
				type DeliveryHelper = cumulus_primitives_utility::ToParentDeliveryHelper<
					xcm_config::XcmConfig,
					ExistentialDepositAsset,
					xcm_config::PriceForParentDelivery,
				>;

				fn reachable_dest() -> Option<Location> {
					Some(Parent.into())
				}

				fn teleportable_asset_and_dest() -> Option<(Asset, Location)> {
					// Relay/native token can be teleported between Contracts-System-Para and Relay.
					Some((
						Asset {
							fun: Fungible(ExistentialDeposit::get()),
							id: AssetId(Parent.into())
						},
						Parent.into(),
					))
				}

				fn reserve_transferable_asset_and_dest() -> Option<(Asset, Location)> {
					// Reserve transfers are disabled on Contracts-System-Para.
					None
				}

				fn set_up_complex_asset_transfer(
				) -> Option<(Assets, u32, Location, alloc::boxed::Box<dyn FnOnce()>)> {
					// Contracts-System-Para only supports teleports to system parachain.
					// Relay/native token can be teleported between Contracts-System-Para and Relay.
					let native_location = Parent.into();
					let dest = Parent.into();
					pallet_xcm::benchmarking::helpers::native_teleport_as_asset_transfer::<Runtime>(
						native_location,
						dest
					)
				}

				fn get_asset() -> Asset {
					Asset {
						id: AssetId(Location::parent()),
						fun: Fungible(EXISTENTIAL_DEPOSIT),
					}
				}
			}

			use frame_support::traits::WhitelistedStorageKeys;
			let whitelist: Vec<TrackedStorageKey> = 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 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> {
			vec![]
		}
	}

	impl xcm_runtime_apis::trusted_query::TrustedQueryApi<Block> for Runtime {
		fn is_trusted_reserve(asset: VersionedAsset, location: VersionedLocation) -> xcm_runtime_apis::trusted_query::XcmTrustedQueryResult {
			PolkadotXcm::is_trusted_reserve(asset, location)
		}
		fn is_trusted_teleporter(asset: VersionedAsset, location: VersionedLocation) -> xcm_runtime_apis::trusted_query::XcmTrustedQueryResult {
			PolkadotXcm::is_trusted_teleporter(asset, location)
		}
	}
}

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