lib.rs

// Copyright (C) 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/>.

//! The PenPal runtime is designed as a test runtime that can be created with an arbitrary `ParaId`,
//! such that multiple instances of the parachain can be on the same parent relay. Ensure that you
//! have enough nodes running to support this or you will get scheduling errors.
//!
//! The PenPal runtime's primary use is for testing interactions between System parachains and
//! other chains that are not trusted teleporters.

#![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 weights;
pub mod xcm_config;

use cumulus_pallet_parachain_system::RelayNumberStrictlyIncreases;
use cumulus_primitives_core::{AggregateMessageOrigin, ParaId};
use frame_support::{
	construct_runtime, derive_impl,
	dispatch::DispatchClass,
	genesis_builder_helper::{build_state, get_preset},
	pallet_prelude::Weight,
	parameter_types,
	traits::{AsEnsureOriginWithArg, ConstBool, ConstU32, ConstU64, ConstU8, Everything, TransformOrigin},
	weights::{
		constants::WEIGHT_REF_TIME_PER_SECOND, ConstantMultiplier, FeePolynomial, WeightToFee as _,
		WeightToFeeCoefficient, WeightToFeeCoefficients, WeightToFeePolynomial,
	},
	PalletId,
};
use frame_system::{
	limits::{BlockLength, BlockWeights},
	EnsureRoot, EnsureSigned,
};
use parachains_common::{
	impls::{AssetsToBlockAuthor, NonZeroIssuance},
	message_queue::{NarrowOriginToSibling, ParaIdToSibling},
};
use parity_scale_codec::Encode;
use smallvec::smallvec;
use sp_api::impl_runtime_apis;
pub use sp_consensus_aura::sr25519::AuthorityId as AuraId;
use sp_core::{crypto::KeyTypeId, OpaqueMetadata};
use sp_runtime::{
	create_runtime_str, generic, impl_opaque_keys,
	traits::{AccountIdLookup, BlakeTwo256, Block as BlockT, Dispatchable},
	transaction_validity::{TransactionSource, TransactionValidity},
	ApplyExtrinsicResult,
};
pub use sp_runtime::{traits::ConvertInto, MultiAddress, Perbill, Permill};
use sp_std::prelude::*;
#[cfg(feature = "std")]
use sp_version::NativeVersion;
use sp_version::RuntimeVersion;
use xcm_config::{ForeignAssetsAssetId, XcmOriginToTransactDispatchOrigin};

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

use frame_support::traits::WithdrawReasons;
use parachains_common::{AccountId, Signature};
use polimec_common::migration_types::MigrationInfo;
use polkadot_runtime_common::{xcm_sender::NoPriceForMessageDelivery, BlockHashCount, SlowAdjustingFeeUpdate};
use sp_runtime::traits::Convert;
use weights::{BlockExecutionWeight, ExtrinsicBaseWeight, RocksDbWeight};
use xcm::{
	latest::prelude::{AssetId as AssetLocationId, BodyId},
	VersionedAssetId, VersionedAssets, VersionedLocation, VersionedXcm,
};
use xcm_runtime_apis::{
	dry_run::{CallDryRunEffects, Error as XcmDryRunApiError, XcmDryRunEffects},
	fees::Error as XcmPaymentApiError,
};

/// 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>;

// Id used for identifying assets.
pub type AssetId = u32;

/// 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_asset_tx_payment::ChargeAssetTxPayment<Runtime>,
);

/// Unchecked extrinsic type as expected by this runtime.
pub type UncheckedExtrinsic = generic::UncheckedExtrinsic<Address, RuntimeCall, Signature, SignedExtra>;

pub type Migrations = ();

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

/// 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 frame_support::weights::WeightToFee for WeightToFee {
	type Balance = Balance;

	fn weight_to_fee(weight: &Weight) -> Self::Balance {
		let time_poly: FeePolynomial<Balance> = RefTimeToFee::polynomial().into();
		let proof_poly: FeePolynomial<Balance> = ProofSizeToFee::polynomial().into();

		// Take the maximum instead of the sum to charge by the more scarce resource.
		time_poly.eval(weight.ref_time()).max(proof_poly.eval(weight.proof_size()))
	}
}

/// Maps the reference time component of `Weight` to a fee.
pub struct RefTimeToFee;
impl WeightToFeePolynomial for RefTimeToFee {
	type Balance = Balance;

	fn polynomial() -> WeightToFeeCoefficients<Self::Balance> {
		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,
		}]
	}
}

/// Maps the proof size component of `Weight` to a fee.
pub struct ProofSizeToFee;
impl WeightToFeePolynomial for ProofSizeToFee {
	type Balance = Balance;

	fn polynomial() -> WeightToFeeCoefficients<Self::Balance> {
		// Map 10kb proof to 1 CENT.
		let p = MILLIUNIT / 10;
		let q = 10_000;

		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};

	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>;
}

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

#[sp_version::runtime_version]
pub const VERSION: RuntimeVersion = RuntimeVersion {
	spec_name: create_runtime_str!("penpal-parachain"),
	impl_name: create_runtime_str!("penpal-parachain"),
	authoring_version: 1,
	spec_version: 1,
	impl_version: 0,
	apis: RUNTIME_API_VERSIONS,
	transaction_version: 1,
	system_version: 1,
};

/// 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 = 12000;

// 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;

// 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 0.5 of a second of compute with a 12 second average block time.
const MAXIMUM_BLOCK_WEIGHT: Weight = Weight::from_parts(
	WEIGHT_REF_TIME_PER_SECOND.saturating_div(2),
	cumulus_primitives_core::relay_chain::MAX_POV_SIZE as u64,
);

/// Maximum number of blocks simultaneously accepted by the Runtime, not yet included
/// into the relay chain.
const UNINCLUDED_SEGMENT_CAPACITY: u32 = 1;
/// How many parachain blocks are processed by the relay chain per parent. Limits the
/// number of blocks authored per slot.
const BLOCK_PROCESSING_VELOCITY: u32 = 1;
/// Relay chain slot duration, in milliseconds.
const RELAY_CHAIN_SLOT_DURATION_MILLIS: u32 = 6000;

/// 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.

#[derive_impl(frame_system::config_preludes::TestDefaultConfig)]
impl frame_system::Config for Runtime {
	/// The data to be stored in an account.
	type AccountData = pallet_balances::AccountData<Balance>;
	/// The identifier used to distinguish between accounts.
	type AccountId = AccountId;
	/// The basic call filter to use in dispatchable.
	type BaseCallFilter = Everything;
	/// The block type.
	type Block = Block;
	/// Maximum number of block number to block hash mappings to keep (oldest pruned first).
	type BlockHashCount = BlockHashCount;
	/// The maximum length of a block (in bytes).
	type BlockLength = RuntimeBlockLength;
	/// Block & extrinsics weights: base values and limits.
	type BlockWeights = RuntimeBlockWeights;
	/// The weight of database operations that the runtime can invoke.
	type DbWeight = RocksDbWeight;
	/// The type for hashing blocks and tries.
	type Hash = Hash;
	/// The hashing algorithm used.
	type Hashing = BlakeTwo256;
	/// The lookup mechanism to get account ID from whatever is passed in dispatchers.
	type Lookup = AccountIdLookup<AccountId, ()>;
	type MaxConsumers = frame_support::traits::ConstU32<16>;
	/// The index type for storing how many extrinsics an account has signed.
	type Nonce = Nonce;
	/// What to do if an account is fully reaped from the system.
	type OnKilledAccount = ();
	/// What to do if a new account is created.
	type OnNewAccount = ();
	/// The action to take on a Runtime Upgrade
	type OnSetCode = cumulus_pallet_parachain_system::ParachainSetCode<Self>;
	/// Converts a module to an index of this module in the runtime.
	type PalletInfo = PalletInfo;
	/// The aggregated dispatch type that is available for extrinsics.
	type RuntimeCall = RuntimeCall;
	/// The ubiquitous event type.
	type RuntimeEvent = RuntimeEvent;
	/// The ubiquitous origin type.
	type RuntimeOrigin = RuntimeOrigin;
	/// This is used as an identifier of the chain. 42 is the generic substrate prefix.
	type SS58Prefix = SS58Prefix;
	/// Weight information for the extrinsics of this pallet.
	type SystemWeightInfo = ();
	/// Runtime version.
	type Version = Version;
}

impl pallet_timestamp::Config for Runtime {
	type MinimumPeriod = ConstU64<{ SLOT_DURATION / 2 }>;
	/// A timestamp: milliseconds since the unix epoch.
	type Moment = u64;
	type OnTimestampSet = Aura;
	type WeightInfo = ();
}

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

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

impl pallet_balances::Config for Runtime {
	type AccountStore = System;
	/// The type for recording an account's balance.
	type Balance = Balance;
	type DoneSlashHandler = ();
	type DustRemoval = ();
	type ExistentialDeposit = ExistentialDeposit;
	type FreezeIdentifier = ();
	type MaxFreezes = ConstU32<0>;
	type MaxLocks = ConstU32<50>;
	type MaxReserves = ConstU32<50>;
	type ReserveIdentifier = [u8; 8];
	/// The ubiquitous event type.
	type RuntimeEvent = RuntimeEvent;
	type RuntimeFreezeReason = RuntimeFreezeReason;
	type RuntimeHoldReason = RuntimeHoldReason;
	type WeightInfo = pallet_balances::weights::SubstrateWeight<Runtime>;
}

parameter_types! {
	/// Relay Chain `TransactionByteFee` / 10
	pub const TransactionByteFee: Balance = 10 * MICROUNIT;
}

impl pallet_transaction_payment::Config for Runtime {
	type FeeMultiplierUpdate = SlowAdjustingFeeUpdate<Self>;
	type LengthToFee = ConstantMultiplier<Balance, TransactionByteFee>;
	type OnChargeTransaction = pallet_transaction_payment::FungibleAdapter<Balances, ()>;
	type OperationalFeeMultiplier = ConstU8<5>;
	type RuntimeEvent = RuntimeEvent;
	type WeightInfo = ();
	type WeightToFee = WeightToFee;
}

parameter_types! {
	pub const AssetDeposit: Balance = 0;
	pub const AssetAccountDeposit: Balance = 0;
	pub const ApprovalDeposit: Balance = 0;
	pub const AssetsStringLimit: u32 = 50;
	pub const MetadataDepositBase: Balance = 0;
	pub const MetadataDepositPerByte: Balance = 0;
}

// /// We allow root and the Relay Chain council to execute privileged asset operations.
// pub type AssetsForceOrigin =
// 	EnsureOneOf<EnsureRoot<AccountId>, EnsureXcm<IsMajorityOfBody<KsmLocation, ExecutiveBody>>>;

impl pallet_assets::Config<pallet_assets::Instance1> for Runtime {
	type ApprovalDeposit = ApprovalDeposit;
	type AssetAccountDeposit = AssetAccountDeposit;
	type AssetDeposit = AssetDeposit;
	type AssetId = AssetId;
	type AssetIdParameter = parity_scale_codec::Compact<AssetId>;
	type Balance = Balance;
	#[cfg(feature = "runtime-benchmarks")]
	type BenchmarkHelper = ();
	type CallbackHandle = ();
	type CreateOrigin = AsEnsureOriginWithArg<EnsureSigned<AccountId>>;
	type Currency = Balances;
	type Extra = ();
	type ForceOrigin = EnsureRoot<AccountId>;
	type Freezer = ();
	type MetadataDepositBase = MetadataDepositBase;
	type MetadataDepositPerByte = MetadataDepositPerByte;
	type RemoveItemsLimit = frame_support::traits::ConstU32<1000>;
	type RuntimeEvent = RuntimeEvent;
	type StringLimit = AssetsStringLimit;
	type WeightInfo = pallet_assets::weights::SubstrateWeight<Runtime>;
}

parameter_types! {
	// we just reuse the same deposits
	pub const ForeignAssetsAssetDeposit: Balance = AssetDeposit::get();
	pub const ForeignAssetsAssetAccountDeposit: Balance = AssetAccountDeposit::get();
	pub const ForeignAssetsApprovalDeposit: Balance = ApprovalDeposit::get();
	pub const ForeignAssetsAssetsStringLimit: u32 = AssetsStringLimit::get();
	pub const ForeignAssetsMetadataDepositBase: Balance = MetadataDepositBase::get();
	pub const ForeignAssetsMetadataDepositPerByte: Balance = MetadataDepositPerByte::get();
}

/// Another pallet assets instance to store foreign assets from bridgehub.
pub type ForeignAssetsInstance = pallet_assets::Instance2;
impl pallet_assets::Config<ForeignAssetsInstance> for Runtime {
	type ApprovalDeposit = ForeignAssetsApprovalDeposit;
	type AssetAccountDeposit = ForeignAssetsAssetAccountDeposit;
	type AssetDeposit = ForeignAssetsAssetDeposit;
	type AssetId = ForeignAssetsAssetId;
	type AssetIdParameter = ForeignAssetsAssetId;
	type Balance = Balance;
	#[cfg(feature = "runtime-benchmarks")]
	type BenchmarkHelper = xcm_config::XcmBenchmarkHelper;
	type CallbackHandle = ();
	type CreateOrigin = AsEnsureOriginWithArg<EnsureSigned<AccountId>>;
	type Currency = Balances;
	type Extra = ();
	type ForceOrigin = EnsureRoot<AccountId>;
	type Freezer = ();
	type MetadataDepositBase = ForeignAssetsMetadataDepositBase;
	type MetadataDepositPerByte = ForeignAssetsMetadataDepositPerByte;
	type RemoveItemsLimit = frame_support::traits::ConstU32<1000>;
	type RuntimeEvent = RuntimeEvent;
	type StringLimit = ForeignAssetsAssetsStringLimit;
	type WeightInfo = pallet_assets::weights::SubstrateWeight<Runtime>;
}

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 CheckAssociatedRelayNumber = RelayNumberStrictlyIncreases;
	type ConsensusHook = cumulus_pallet_aura_ext::FixedVelocityConsensusHook<
		Runtime,
		RELAY_CHAIN_SLOT_DURATION_MILLIS,
		BLOCK_PROCESSING_VELOCITY,
		UNINCLUDED_SEGMENT_CAPACITY,
	>;
	type DmpQueue = frame_support::traits::EnqueueWithOrigin<MessageQueue, RelayOrigin>;
	type OnSystemEvent = ();
	type OutboundXcmpMessageSource = XcmpQueue;
	type ReservedDmpWeight = ReservedDmpWeight;
	type ReservedXcmpWeight = ReservedXcmpWeight;
	type RuntimeEvent = RuntimeEvent;
	type SelectCore = cumulus_pallet_parachain_system::DefaultCoreSelector<Self>;
	type SelfParaId = parachain_info::Pallet<Runtime>;
	type WeightInfo = ();
	type XcmpMessageHandler = XcmpQueue;
}

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 HeapSize = sp_core::ConstU32<{ 103 * 1024 }>;
	type IdleMaxServiceWeight = MessageQueueServiceWeight;
	type MaxStale = sp_core::ConstU32<8>;
	type MessageProcessor = xcm_builder::ProcessXcmMessage<
		AggregateMessageOrigin,
		xcm_executor::XcmExecutor<xcm_config::XcmConfig>,
		RuntimeCall,
	>;
	// The XCMP queue pallet is only ever able to handle the `Sibling(ParaId)` origin:
	type QueueChangeHandler = NarrowOriginToSibling<XcmpQueue>;
	type QueuePausedQuery = NarrowOriginToSibling<XcmpQueue>;
	type RuntimeEvent = RuntimeEvent;
	type ServiceWeight = MessageQueueServiceWeight;
	type Size = u32;
	type WeightInfo = ();
}

impl cumulus_pallet_aura_ext::Config for Runtime {}

parameter_types! {
	/// The asset ID for the asset that we use to pay for message delivery fees.
	pub FeeAssetId: AssetLocationId = AssetLocationId(xcm_config::RelayLocation::get());
	/// The base fee for the message delivery fees (3 CENTS).
	pub const BaseDeliveryFee: u128 = (1_000_000_000_000u128 / 100).saturating_mul(3);
}

pub type PriceForSiblingParachainDelivery =
	polkadot_runtime_common::xcm_sender::ExponentialPrice<FeeAssetId, BaseDeliveryFee, TransactionByteFee, XcmpQueue>;

impl cumulus_pallet_xcmp_queue::Config for Runtime {
	type ChannelInfo = ParachainSystem;
	type ControllerOrigin = EnsureRoot<AccountId>;
	type ControllerOriginConverter = XcmOriginToTransactDispatchOrigin;
	type MaxActiveOutboundChannels = ConstU32<128>;
	type MaxInboundSuspended = ConstU32<1_000>;
	// Most on-chain HRMP channels are configured to use 102400 bytes of max message size, so we
	// need to set the page size larger than that until we reduce the channel size on-chain.
	type MaxPageSize = ConstU32<{ 103 * 1024 }>;
	type PriceForSiblingDelivery = NoPriceForMessageDelivery<ParaId>;
	type RuntimeEvent = RuntimeEvent;
	type VersionWrapper = PolkadotXcm;
	type WeightInfo = ();
	// Enqueue XCMP messages from siblings for later processing.
	type XcmpQueue = TransformOrigin<MessageQueue, AggregateMessageOrigin, ParaId, ParaIdToSibling>;
}

parameter_types! {
	pub const Period: u32 = 6 * HOURS;
	pub const Offset: u32 = 0;
}

impl pallet_session::Config for Runtime {
	type Keys = SessionKeys;
	type NextSessionRotation = pallet_session::PeriodicSessions<Period, Offset>;
	type RuntimeEvent = RuntimeEvent;
	// Essentially just Aura, but let's be pedantic.
	type SessionHandler = <SessionKeys as sp_runtime::traits::OpaqueKeys>::KeyTypeIdProviders;
	type SessionManager = CollatorSelection;
	type ShouldEndSession = pallet_session::PeriodicSessions<Period, Offset>;
	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 WeightInfo = ();
}

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

parameter_types! {
	pub const PotId: PalletId = PalletId(*b"PotStake");
	pub const SessionLength: BlockNumber = 6 * HOURS;
	pub const ExecutiveBody: BodyId = BodyId::Executive;
}

// We allow root only to execute privileged collator selection operations.
pub type CollatorSelectionUpdateOrigin = EnsureRoot<AccountId>;

impl pallet_collator_selection::Config for Runtime {
	type Currency = Balances;
	// should be a multiple of session or things will get inconsistent
	type KickThreshold = Period;
	type MaxCandidates = ConstU32<100>;
	type MaxInvulnerables = ConstU32<20>;
	type MinEligibleCollators = ConstU32<4>;
	type PotId = PotId;
	type RuntimeEvent = RuntimeEvent;
	type UpdateOrigin = CollatorSelectionUpdateOrigin;
	type ValidatorId = <Self as frame_system::Config>::AccountId;
	type ValidatorIdOf = pallet_collator_selection::IdentityCollator;
	type ValidatorRegistration = Session;
	type WeightInfo = ();
}

impl pallet_asset_tx_payment::Config for Runtime {
	type Fungibles = Assets;
	type OnChargeAssetTransaction = pallet_asset_tx_payment::FungiblesAdapter<
		pallet_assets::BalanceToAssetBalance<Balances, Runtime, ConvertInto, pallet_assets::Instance1>,
		AssetsToBlockAuthor<Runtime, pallet_assets::Instance1>,
	>;
	type RuntimeEvent = RuntimeEvent;
	type WeightInfo = ();
}

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

parameter_types! {
	pub const MinVestedTransfer: Balance = 0_1_000_000_000u128;
	pub UnvestedFundsAllowedWithdrawReasons: WithdrawReasons =
		WithdrawReasons::except(WithdrawReasons::TRANSFER | WithdrawReasons::RESERVE);
}
impl pallet_vesting::Config for Runtime {
	type BlockNumberProvider = System;
	type BlockNumberToBalance = ConvertInto;
	type Currency = Balances;
	type MinVestedTransfer = MinVestedTransfer;
	type RuntimeEvent = RuntimeEvent;
	type UnvestedFundsAllowedWithdrawReasons = UnvestedFundsAllowedWithdrawReasons;
	type WeightInfo = ();

	const MAX_VESTING_SCHEDULES: u32 = 100;
}

pub struct DivideBalanceByBlocks;
impl Convert<MigrationInfo, Balance> for DivideBalanceByBlocks {
	fn convert(migration_info: MigrationInfo) -> Balance {
		let total_amount: Balance = migration_info.contribution_token_amount;
		// normally BlockNumber is u64 so we can use the safe .into()
		let vesting_time_in_blocks: BlockNumber = migration_info.vesting_time.try_into().unwrap();
		if vesting_time_in_blocks == 0u32 {
			total_amount
		} else {
			total_amount.checked_div(vesting_time_in_blocks as u128).expect("already checked division by zero")
		}
	}
}
parameter_types! {
	pub PolimecParaId: ParaId = 3344u32.into();
	pub GenesisMoment: BlockNumber = 0u32;
	pub const MaxMigrations: u128 = 100000;
}

impl polimec_receiver::Config for Runtime {
	type Balance = Balance;
	type Balances = Balances;
	type GenesisMoment = GenesisMoment;
	type MaxMigrations = MaxMigrations;
	type MigrationInfoToPerBlockBalance = DivideBalanceByBlocks;
	type PolimecParaId = PolimecParaId;
	type RuntimeEvent = RuntimeEvent;
	type RuntimeOrigin = RuntimeOrigin;
	type Vesting = Vesting;
}

// 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,
		Timestamp: pallet_timestamp = 2,
		ParachainInfo: parachain_info = 3,

		// Monetary stuff.
		Balances: pallet_balances = 10,
		TransactionPayment: pallet_transaction_payment = 11,
		AssetTxPayment: pallet_asset_tx_payment = 12,

		// Collator support. The order of these 4 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,

		// The main stage.
		Assets: pallet_assets::<Instance1> = 50,
		ForeignAssets: pallet_assets::<Instance2> = 51,
		Vesting: pallet_vesting = 52,

		PolimecReceiver: polimec_receiver = 69,

		Sudo: pallet_sudo::{Pallet, Call, Storage, Event<T>, Config<T>} = 255,
	}
);

#[cfg(feature = "runtime-benchmarks")]
mod benches {
	frame_benchmarking::define_benchmarks!(
		[frame_system, SystemBench::<Runtime>]
		[pallet_balances, Balances]
		[pallet_message_queue, MessageQueue]
		[pallet_session, SessionBench::<Runtime>]
		[pallet_sudo, Sudo]
		[pallet_timestamp, Timestamp]
		[pallet_collator_selection, CollatorSelection]
		[cumulus_pallet_parachain_system, ParachainSystem]
		[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> {
			pallet_aura::Authorities::<Runtime>::get().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) -> 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() -> sp_std::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 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 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![AssetLocationId(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::<AssetLocationId>() {
				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> {
			use xcm_builder::InspectMessageQueues;
			use xcm_executor::RecordXcm;
			use xcm::prelude::*;
			pallet_xcm::Pallet::<Runtime>::set_record_xcm(true);
			frame_system::Pallet::<Runtime>::reset_events(); // To make sure we only record events from current call.
			let result = call.dispatch(origin.into());
			pallet_xcm::Pallet::<Runtime>::set_record_xcm(false);
			let local_xcm = pallet_xcm::Pallet::<Runtime>::recorded_xcm();
			let forwarded_xcms = xcm_config::XcmRouter::get_messages();
			let events: Vec<RuntimeEvent> = System::read_events_no_consensus().map(|record| record.event.clone()).collect();
			Ok(CallDryRunEffects {
				local_xcm: local_xcm.map(VersionedXcm::<()>::from),
				forwarded_xcms,
				emitted_events: events,
				execution_result: result,
			})
		}

		fn dry_run_xcm(origin_location: VersionedLocation, program: VersionedXcm<RuntimeCall>) -> Result<XcmDryRunEffects<RuntimeEvent>, XcmDryRunApiError> {
			use xcm_builder::InspectMessageQueues;
			use xcm::prelude::*;

			let origin_location: Location = origin_location.try_into().map_err(|error| {
				log::error!(
					target: "xcm::DryRunApi::dry_run_xcm",
					"Location version conversion failed with error: {:?}",
					error,
				);
				XcmDryRunApiError::VersionedConversionFailed
			})?;
			let program: Xcm<RuntimeCall> = program.try_into().map_err(|error| {
				log::error!(
					target: "xcm::DryRunApi::dry_run_xcm",
					"Xcm version conversion failed with error {:?}",
					error,
				);
				XcmDryRunApiError::VersionedConversionFailed
			})?;
			let mut hash = program.using_encoded(sp_core::hashing::blake2_256);
			frame_system::Pallet::<Runtime>::reset_events(); // To make sure we only record events from current call.
			let result = xcm_executor::XcmExecutor::<xcm_config::XcmConfig>::prepare_and_execute(
				origin_location,
				program,
				&mut hash,
				Weight::MAX, // Max limit.
				Weight::zero(),
			);
			let forwarded_xcms = xcm_config::XcmRouter::get_messages();
			let events: Vec<RuntimeEvent> = System::read_events_no_consensus().map(|record| record.event.clone()).collect();
			Ok(XcmDryRunEffects {
				forwarded_xcms,
				emitted_events: events,
				execution_result: result,
			})
		}
	}

	#[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::{Benchmarking, BenchmarkBatch};
			use sp_storage::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.as_slice());
			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![]
		}
	}
}

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