// Copyright 2017-2020 Parity Technologies (UK) Ltd.
// This file is part of Polkadot.

// Polkadot 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.

// Polkadot 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 Polkadot.  If not, see <http://www.gnu.org/licenses/>.

//! The Polkadot runtime. This can be compiled with `#[no_std]`, ready for Wasm.

#![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"]

use pallet_transaction_payment::CurrencyAdapter;
use parity_scale_codec::{Decode, Encode, MaxEncodedLen};
use primitives::v1::{
	AccountId, AccountIndex, Balance, BlockNumber, CandidateEvent, CommittedCandidateReceipt,
	CoreState, GroupRotationInfo, Hash, Id as ParaId, InboundDownwardMessage, InboundHrmpMessage,
	Moment, Nonce, OccupiedCoreAssumption, PersistedValidationData, ScrapedOnChainVotes,
	SessionInfo, Signature, ValidationCode, ValidationCodeHash, ValidatorId, ValidatorIndex,
};
use runtime_common::{
	assigned_slots, auctions, crowdloan, impls::ToAuthor, paras_registrar, paras_sudo_wrapper,
	slots, xcm_sender, BlockHashCount, BlockLength, BlockWeights, CurrencyToVote,
	OffchainSolutionLengthLimit, OffchainSolutionWeightLimit, RocksDbWeight,
	SlowAdjustingFeeUpdate,
};
use sp_std::{collections::btree_map::BTreeMap, prelude::*};

use runtime_parachains::{
	configuration as parachains_configuration, dmp as parachains_dmp, hrmp as parachains_hrmp,
	inclusion as parachains_inclusion, initializer as parachains_initializer,
	origin as parachains_origin, paras as parachains_paras,
	paras_inherent as parachains_paras_inherent, reward_points as parachains_reward_points,
	runtime_api_impl::v1 as parachains_runtime_api_impl, scheduler as parachains_scheduler,
	session_info as parachains_session_info, shared as parachains_shared, ump as parachains_ump,
};

use xcm::latest::prelude::*;
use xcm_builder::{
	AccountId32Aliases, AllowKnownQueryResponses, AllowSubscriptionsFrom,
	AllowTopLevelPaidExecutionFrom, AllowUnpaidExecutionFrom, ChildParachainAsNative,
	ChildParachainConvertsVia, ChildSystemParachainAsSuperuser,
	CurrencyAdapter as XcmCurrencyAdapter, IsChildSystemParachain, IsConcrete, LocationInverter,
	SignedAccountId32AsNative, SignedToAccountId32, SovereignSignedViaLocation, TakeWeightCredit,
	UsingComponents, WeightInfoBounds,
};
use xcm_executor::XcmExecutor;

use authority_discovery_primitives::AuthorityId as AuthorityDiscoveryId;
use beefy_primitives::crypto::AuthorityId as BeefyId;
use frame_support::{
	construct_runtime, parameter_types,
	traits::{
		Contains, Everything, InstanceFilter, KeyOwnerProofSystem, Nothing, OnRuntimeUpgrade,
	},
	weights::Weight,
	PalletId, RuntimeDebug,
};
use frame_system::EnsureRoot;
use pallet_grandpa::{fg_primitives, AuthorityId as GrandpaId};
use pallet_im_online::sr25519::AuthorityId as ImOnlineId;
use pallet_mmr_primitives as mmr;
use pallet_session::historical as session_historical;
use pallet_transaction_payment::{FeeDetails, RuntimeDispatchInfo};
use sp_core::OpaqueMetadata;
use sp_runtime::{
	create_runtime_str,
	curve::PiecewiseLinear,
	generic, impl_opaque_keys,
	traits::{
		AccountIdLookup, BlakeTwo256, Block as BlockT, ConvertInto, Extrinsic as ExtrinsicT,
		OpaqueKeys, SaturatedConversion, Verify,
	},
	transaction_validity::{TransactionPriority, TransactionSource, TransactionValidity},
	ApplyExtrinsicResult, KeyTypeId, Perbill,
};
use sp_staking::SessionIndex;
#[cfg(any(feature = "std", test))]
use sp_version::NativeVersion;
use sp_version::RuntimeVersion;

pub use pallet_balances::Call as BalancesCall;
pub use pallet_election_provider_multi_phase::Call as EPMCall;
#[cfg(feature = "std")]
pub use pallet_staking::StakerStatus;
pub use pallet_timestamp::Call as TimestampCall;
#[cfg(any(feature = "std", test))]
pub use sp_runtime::BuildStorage;

/// Constant values used within the runtime.
use westend_runtime_constants::{currency::*, fee::*, time::*};

// Weights used in the runtime
mod weights;

// Voter bag threshold definitions.
mod bag_thresholds;

#[cfg(test)]
mod tests;

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

/// Runtime version (Westend).
pub const VERSION: RuntimeVersion = RuntimeVersion {
	spec_name: create_runtime_str!("westend"),
	impl_name: create_runtime_str!("parity-westend"),
	authoring_version: 2,
	spec_version: 9140,
	impl_version: 0,
	#[cfg(not(feature = "disable-runtime-api"))]
	apis: RUNTIME_API_VERSIONS,
	#[cfg(feature = "disable-runtime-api")]
	apis: version::create_apis_vec![[]],
	transaction_version: 8,
};

/// The BABE epoch configuration at genesis.
pub const BABE_GENESIS_EPOCH_CONFIG: babe_primitives::BabeEpochConfiguration =
	babe_primitives::BabeEpochConfiguration {
		c: PRIMARY_PROBABILITY,
		allowed_slots: babe_primitives::AllowedSlots::PrimaryAndSecondaryVRFSlots,
	};

/// Native version.
#[cfg(any(feature = "std", test))]
pub fn native_version() -> NativeVersion {
	NativeVersion { runtime_version: VERSION, can_author_with: Default::default() }
}

/// Allow everything.
pub struct BaseFilter;
impl Contains<Call> for BaseFilter {
	fn contains(_: &Call) -> bool {
		true
	}
}

parameter_types! {
	pub const Version: RuntimeVersion = VERSION;
	pub const SS58Prefix: u8 = 42;
}

impl frame_system::Config for Runtime {
	type BaseCallFilter = BaseFilter;
	type BlockWeights = BlockWeights;
	type BlockLength = BlockLength;
	type Origin = Origin;
	type Call = Call;
	type Index = Nonce;
	type BlockNumber = BlockNumber;
	type Hash = Hash;
	type Hashing = BlakeTwo256;
	type AccountId = AccountId;
	type Lookup = AccountIdLookup<AccountId, ()>;
	type Header = generic::Header<BlockNumber, BlakeTwo256>;
	type Event = Event;
	type BlockHashCount = BlockHashCount;
	type DbWeight = RocksDbWeight;
	type Version = Version;
	type PalletInfo = PalletInfo;
	type AccountData = pallet_balances::AccountData<Balance>;
	type OnNewAccount = ();
	type OnKilledAccount = ();
	type SystemWeightInfo = weights::frame_system::WeightInfo<Runtime>;
	type SS58Prefix = SS58Prefix;
	type OnSetCode = ();
	type MaxConsumers = frame_support::traits::ConstU32<16>;
}

parameter_types! {
	pub MaximumSchedulerWeight: Weight = Perbill::from_percent(80) *
		BlockWeights::get().max_block;
	pub const MaxScheduledPerBlock: u32 = 50;
	pub const NoPreimagePostponement: Option<u32> = Some(10);
}

impl pallet_scheduler::Config for Runtime {
	type Event = Event;
	type Origin = Origin;
	type PalletsOrigin = OriginCaller;
	type Call = Call;
	type MaximumWeight = MaximumSchedulerWeight;
	type ScheduleOrigin = EnsureRoot<AccountId>;
	type MaxScheduledPerBlock = MaxScheduledPerBlock;
	type WeightInfo = weights::pallet_scheduler::WeightInfo<Runtime>;
	type OriginPrivilegeCmp = frame_support::traits::EqualPrivilegeOnly;
	type PreimageProvider = Preimage;
	type NoPreimagePostponement = NoPreimagePostponement;
}

parameter_types! {
	pub const PreimageMaxSize: u32 = 4096 * 1024;
	pub const PreimageBaseDeposit: Balance = deposit(2, 64);
	pub const PreimageByteDeposit: Balance = deposit(0, 1);
}

impl pallet_preimage::Config for Runtime {
	type WeightInfo = weights::pallet_preimage::WeightInfo<Runtime>;
	type Event = Event;
	type Currency = Balances;
	type ManagerOrigin = EnsureRoot<AccountId>;
	type MaxSize = PreimageMaxSize;
	type BaseDeposit = PreimageBaseDeposit;
	type ByteDeposit = PreimageByteDeposit;
}

parameter_types! {
	pub const EpochDuration: u64 = EPOCH_DURATION_IN_SLOTS as u64;
	pub const ExpectedBlockTime: Moment = MILLISECS_PER_BLOCK;
	pub const ReportLongevity: u64 =
		BondingDuration::get() as u64 * SessionsPerEra::get() as u64 * EpochDuration::get();
}

impl pallet_babe::Config for Runtime {
	type EpochDuration = EpochDuration;
	type ExpectedBlockTime = ExpectedBlockTime;

	// session module is the trigger
	type EpochChangeTrigger = pallet_babe::ExternalTrigger;

	type DisabledValidators = Session;

	type KeyOwnerProofSystem = Historical;

	type KeyOwnerProof = <Self::KeyOwnerProofSystem as KeyOwnerProofSystem<(
		KeyTypeId,
		pallet_babe::AuthorityId,
	)>>::Proof;

	type KeyOwnerIdentification = <Self::KeyOwnerProofSystem as KeyOwnerProofSystem<(
		KeyTypeId,
		pallet_babe::AuthorityId,
	)>>::IdentificationTuple;

	type HandleEquivocation =
		pallet_babe::EquivocationHandler<Self::KeyOwnerIdentification, Offences, ReportLongevity>;

	type WeightInfo = ();

	type MaxAuthorities = MaxAuthorities;
}

parameter_types! {
	pub const IndexDeposit: Balance = 100 * CENTS;
}

impl pallet_indices::Config for Runtime {
	type AccountIndex = AccountIndex;
	type Currency = Balances;
	type Deposit = IndexDeposit;
	type Event = Event;
	type WeightInfo = weights::pallet_indices::WeightInfo<Runtime>;
}

parameter_types! {
	pub const ExistentialDeposit: Balance = 1 * CENTS;
	pub const MaxLocks: u32 = 50;
	pub const MaxReserves: u32 = 50;
}

impl pallet_balances::Config for Runtime {
	type Balance = Balance;
	type DustRemoval = ();
	type Event = Event;
	type ExistentialDeposit = ExistentialDeposit;
	type AccountStore = System;
	type MaxLocks = MaxLocks;
	type MaxReserves = MaxReserves;
	type ReserveIdentifier = [u8; 8];
	type WeightInfo = weights::pallet_balances::WeightInfo<Runtime>;
}

parameter_types! {
	pub const TransactionByteFee: Balance = 10 * MILLICENTS;
	/// This value increases the priority of `Operational` transactions by adding
	/// a "virtual tip" that's equal to the `OperationalFeeMultiplier * final_fee`.
	pub const OperationalFeeMultiplier: u8 = 5;
}

impl pallet_transaction_payment::Config for Runtime {
	type OnChargeTransaction = CurrencyAdapter<Balances, ToAuthor<Runtime>>;
	type TransactionByteFee = TransactionByteFee;
	type OperationalFeeMultiplier = OperationalFeeMultiplier;
	type WeightToFee = WeightToFee;
	type FeeMultiplierUpdate = SlowAdjustingFeeUpdate<Self>;
}

parameter_types! {
	pub const MinimumPeriod: u64 = SLOT_DURATION / 2;
}
impl pallet_timestamp::Config for Runtime {
	type Moment = u64;
	type OnTimestampSet = Babe;
	type MinimumPeriod = MinimumPeriod;
	type WeightInfo = weights::pallet_timestamp::WeightInfo<Runtime>;
}

parameter_types! {
	pub const UncleGenerations: u32 = 0;
}

impl pallet_authorship::Config for Runtime {
	type FindAuthor = pallet_session::FindAccountFromAuthorIndex<Self, Babe>;
	type UncleGenerations = UncleGenerations;
	type FilterUncle = ();
	type EventHandler = (Staking, ImOnline);
}

parameter_types! {
	pub const Period: BlockNumber = 10 * MINUTES;
	pub const Offset: BlockNumber = 0;
}

impl_opaque_keys! {
	pub struct SessionKeys {
		pub grandpa: Grandpa,
		pub babe: Babe,
		pub im_online: ImOnline,
		pub para_validator: Initializer,
		pub para_assignment: ParaSessionInfo,
		pub authority_discovery: AuthorityDiscovery,
	}
}

impl pallet_session::Config for Runtime {
	type Event = Event;
	type ValidatorId = AccountId;
	type ValidatorIdOf = pallet_staking::StashOf<Self>;
	type ShouldEndSession = Babe;
	type NextSessionRotation = Babe;
	type SessionManager = pallet_session::historical::NoteHistoricalRoot<Self, Staking>;
	type SessionHandler = <SessionKeys as OpaqueKeys>::KeyTypeIdProviders;
	type Keys = SessionKeys;
	type WeightInfo = weights::pallet_session::WeightInfo<Runtime>;
}

impl pallet_session::historical::Config for Runtime {
	type FullIdentification = pallet_staking::Exposure<AccountId, Balance>;
	type FullIdentificationOf = pallet_staking::ExposureOf<Runtime>;
}

parameter_types! {
	// phase durations. 1/4 of the last session for each.
	pub const SignedPhase: u32 = EPOCH_DURATION_IN_SLOTS / 4;
	pub const UnsignedPhase: u32 = EPOCH_DURATION_IN_SLOTS / 4;

	// signed config
	pub const SignedMaxSubmissions: u32 = 128;
	pub const SignedDepositBase: Balance = deposit(2, 0);
	pub const SignedDepositByte: Balance = deposit(0, 10) / 1024;
	// Each good submission will get 1 WND as reward
	pub SignedRewardBase: Balance = 1 * UNITS;
	pub SolutionImprovementThreshold: Perbill = Perbill::from_rational(5u32, 10_000);

	// 1 hour session, 15 minutes unsigned phase, 4 offchain executions.
	pub OffchainRepeat: BlockNumber = UnsignedPhase::get() / 4;

	/// Whilst `UseNominatorsAndUpdateBagsList` or `UseNominatorsMap` is in use, this can still be a
	/// very large value. Once the `BagsList` is in full motion, staking might open its door to many
	/// more nominators, and this value should instead be what is a "safe" number (e.g. 22500).
	pub const VoterSnapshotPerBlock: u32 = 22_500;
}

sp_npos_elections::generate_solution_type!(
	#[compact]
	pub struct NposCompactSolution16::<
		VoterIndex = u32,
		TargetIndex = u16,
		Accuracy = sp_runtime::PerU16,
	>(16)
);

impl pallet_election_provider_multi_phase::Config for Runtime {
	type Event = Event;
	type Currency = Balances;
	type EstimateCallFee = TransactionPayment;
	type SignedPhase = SignedPhase;
	type UnsignedPhase = UnsignedPhase;
	type SignedMaxSubmissions = SignedMaxSubmissions;
	type SignedRewardBase = SignedRewardBase;
	type SignedDepositBase = SignedDepositBase;
	type SignedDepositByte = SignedDepositByte;
	type SignedDepositWeight = ();
	type SignedMaxWeight = Self::MinerMaxWeight;
	type SlashHandler = (); // burn slashes
	type RewardHandler = (); // nothing to do upon rewards
	type SolutionImprovementThreshold = SolutionImprovementThreshold;
	type MinerMaxWeight = OffchainSolutionWeightLimit; // For now use the one from staking.
	type MinerMaxLength = OffchainSolutionLengthLimit;
	type OffchainRepeat = OffchainRepeat;
	type MinerTxPriority = NposSolutionPriority;
	type DataProvider = Staking;
	type Solution = NposCompactSolution16;
	type Fallback = pallet_election_provider_multi_phase::NoFallback<Self>;
	type Solver = frame_election_provider_support::SequentialPhragmen<
		AccountId,
		pallet_election_provider_multi_phase::SolutionAccuracyOf<Self>,
		runtime_common::elections::OffchainRandomBalancing,
	>;
	type BenchmarkingConfig = runtime_common::elections::BenchmarkConfig;
	type ForceOrigin = EnsureRoot<AccountId>;
	type WeightInfo = weights::pallet_election_provider_multi_phase::WeightInfo<Self>;
	type VoterSnapshotPerBlock = VoterSnapshotPerBlock;
}

parameter_types! {
	pub const BagThresholds: &'static [u64] = &bag_thresholds::THRESHOLDS;
}

impl pallet_bags_list::Config for Runtime {
	type Event = Event;
	type VoteWeightProvider = Staking;
	type WeightInfo = weights::pallet_bags_list::WeightInfo<Runtime>;
	type BagThresholds = BagThresholds;
}

pallet_staking_reward_curve::build! {
	const REWARD_CURVE: PiecewiseLinear<'static> = curve!(
		min_inflation: 0_025_000,
		max_inflation: 0_100_000,
		ideal_stake: 0_500_000,
		falloff: 0_050_000,
		max_piece_count: 40,
		test_precision: 0_005_000,
	);
}

parameter_types! {
	// Six sessions in an era (6 hours).
	pub const SessionsPerEra: SessionIndex = 6;
	// 28 eras for unbonding (7 days).
	pub const BondingDuration: pallet_staking::EraIndex = 28;
	// 27 eras in which slashes can be cancelled (slightly less than 7 days).
	pub const SlashDeferDuration: pallet_staking::EraIndex = 27;
	pub const RewardCurve: &'static PiecewiseLinear<'static> = &REWARD_CURVE;
	pub const MaxNominatorRewardedPerValidator: u32 = 64;
	pub const OffendingValidatorsThreshold: Perbill = Perbill::from_percent(17);
}

impl frame_election_provider_support::onchain::Config for Runtime {
	type Accuracy = runtime_common::elections::OnOnChainAccuracy;
	type DataProvider = Staking;
}

impl pallet_staking::Config for Runtime {
	const MAX_NOMINATIONS: u32 =
		<NposCompactSolution16 as sp_npos_elections::NposSolution>::LIMIT as u32;
	type Currency = Balances;
	type UnixTime = Timestamp;
	type CurrencyToVote = CurrencyToVote;
	type RewardRemainder = ();
	type Event = Event;
	type Slash = ();
	type Reward = ();
	type SessionsPerEra = SessionsPerEra;
	type BondingDuration = BondingDuration;
	type SlashDeferDuration = SlashDeferDuration;
	// A majority of the council can cancel the slash.
	type SlashCancelOrigin = EnsureRoot<AccountId>;
	type SessionInterface = Self;
	type EraPayout = pallet_staking::ConvertCurve<RewardCurve>;
	type MaxNominatorRewardedPerValidator = MaxNominatorRewardedPerValidator;
	type OffendingValidatorsThreshold = OffendingValidatorsThreshold;
	type NextNewSession = Session;
	type ElectionProvider = ElectionProviderMultiPhase;
	type GenesisElectionProvider = runtime_common::elections::GenesisElectionOf<Self>;
	// Use the nominators map to iter voters, but also keep bags-list up-to-date.
	type SortedListProvider = BagsList;
	type BenchmarkingConfig = runtime_common::StakingBenchmarkingConfig;
	type WeightInfo = weights::pallet_staking::WeightInfo<Runtime>;
}

parameter_types! {
	pub const LaunchPeriod: BlockNumber = 7 * DAYS;
	pub const VotingPeriod: BlockNumber = 7 * DAYS;
	pub const FastTrackVotingPeriod: BlockNumber = 3 * HOURS;
	pub const MinimumDeposit: Balance = 100 * CENTS;
	pub const EnactmentPeriod: BlockNumber = 8 * DAYS;
	pub const CooloffPeriod: BlockNumber = 7 * DAYS;
	pub const InstantAllowed: bool = true;
	pub const MaxAuthorities: u32 = 100_000;
}

impl pallet_offences::Config for Runtime {
	type Event = Event;
	type IdentificationTuple = pallet_session::historical::IdentificationTuple<Self>;
	type OnOffenceHandler = Staking;
}

impl pallet_authority_discovery::Config for Runtime {
	type MaxAuthorities = MaxAuthorities;
}

parameter_types! {
	pub const NposSolutionPriority: TransactionPriority = TransactionPriority::max_value() / 2;
	pub const ImOnlineUnsignedPriority: TransactionPriority = TransactionPriority::max_value();
	pub const MaxKeys: u32 = 10_000;
	pub const MaxPeerInHeartbeats: u32 = 10_000;
	pub const MaxPeerDataEncodingSize: u32 = 1_000;
}

impl pallet_im_online::Config for Runtime {
	type AuthorityId = ImOnlineId;
	type Event = Event;
	type ValidatorSet = Historical;
	type NextSessionRotation = Babe;
	type ReportUnresponsiveness = Offences;
	type UnsignedPriority = ImOnlineUnsignedPriority;
	type WeightInfo = weights::pallet_im_online::WeightInfo<Runtime>;
	type MaxKeys = MaxKeys;
	type MaxPeerInHeartbeats = MaxPeerInHeartbeats;
	type MaxPeerDataEncodingSize = MaxPeerDataEncodingSize;
}

impl pallet_grandpa::Config for Runtime {
	type Event = Event;
	type Call = Call;

	type KeyOwnerProofSystem = Historical;

	type KeyOwnerProof =
		<Self::KeyOwnerProofSystem as KeyOwnerProofSystem<(KeyTypeId, GrandpaId)>>::Proof;

	type KeyOwnerIdentification = <Self::KeyOwnerProofSystem as KeyOwnerProofSystem<(
		KeyTypeId,
		GrandpaId,
	)>>::IdentificationTuple;

	type HandleEquivocation = pallet_grandpa::EquivocationHandler<
		Self::KeyOwnerIdentification,
		Offences,
		ReportLongevity,
	>;

	type WeightInfo = ();
	type MaxAuthorities = MaxAuthorities;
}

/// Submits a transaction with the node's public and signature type. Adheres to the signed extension
/// format of the chain.
impl<LocalCall> frame_system::offchain::CreateSignedTransaction<LocalCall> for Runtime
where
	Call: From<LocalCall>,
{
	fn create_transaction<C: frame_system::offchain::AppCrypto<Self::Public, Self::Signature>>(
		call: Call,
		public: <Signature as Verify>::Signer,
		account: AccountId,
		nonce: <Runtime as frame_system::Config>::Index,
	) -> Option<(Call, <UncheckedExtrinsic as ExtrinsicT>::SignaturePayload)> {
		use sp_runtime::traits::StaticLookup;
		// take the biggest period possible.
		let period =
			BlockHashCount::get().checked_next_power_of_two().map(|c| c / 2).unwrap_or(2) as u64;

		let current_block = System::block_number()
			.saturated_into::<u64>()
			// The `System::block_number` is initialized with `n+1`,
			// so the actual block number is `n`.
			.saturating_sub(1);
		let tip = 0;
		let extra: SignedExtra = (
			frame_system::CheckNonZeroSender::<Runtime>::new(),
			frame_system::CheckSpecVersion::<Runtime>::new(),
			frame_system::CheckTxVersion::<Runtime>::new(),
			frame_system::CheckGenesis::<Runtime>::new(),
			frame_system::CheckMortality::<Runtime>::from(generic::Era::mortal(
				period,
				current_block,
			)),
			frame_system::CheckNonce::<Runtime>::from(nonce),
			frame_system::CheckWeight::<Runtime>::new(),
			pallet_transaction_payment::ChargeTransactionPayment::<Runtime>::from(tip),
		);
		let raw_payload = SignedPayload::new(call, extra)
			.map_err(|e| {
				log::warn!("Unable to create signed payload: {:?}", e);
			})
			.ok()?;
		let signature = raw_payload.using_encoded(|payload| C::sign(payload, public))?;
		let (call, extra, _) = raw_payload.deconstruct();
		let address = <Runtime as frame_system::Config>::Lookup::unlookup(account);
		Some((call, (address, signature, extra)))
	}
}

impl frame_system::offchain::SigningTypes for Runtime {
	type Public = <Signature as Verify>::Signer;
	type Signature = Signature;
}

impl<C> frame_system::offchain::SendTransactionTypes<C> for Runtime
where
	Call: From<C>,
{
	type OverarchingCall = Call;
	type Extrinsic = UncheckedExtrinsic;
}

parameter_types! {
	// Minimum 100 bytes/KSM deposited (1 CENT/byte)
	pub const BasicDeposit: Balance = 1000 * CENTS;       // 258 bytes on-chain
	pub const FieldDeposit: Balance = 250 * CENTS;        // 66 bytes on-chain
	pub const SubAccountDeposit: Balance = 200 * CENTS;   // 53 bytes on-chain
	pub const MaxSubAccounts: u32 = 100;
	pub const MaxAdditionalFields: u32 = 100;
	pub const MaxRegistrars: u32 = 20;
}

impl pallet_identity::Config for Runtime {
	type Event = Event;
	type Currency = Balances;
	type Slashed = ();
	type BasicDeposit = BasicDeposit;
	type FieldDeposit = FieldDeposit;
	type SubAccountDeposit = SubAccountDeposit;
	type MaxSubAccounts = MaxSubAccounts;
	type MaxAdditionalFields = MaxAdditionalFields;
	type MaxRegistrars = MaxRegistrars;
	type RegistrarOrigin = frame_system::EnsureRoot<AccountId>;
	type ForceOrigin = frame_system::EnsureRoot<AccountId>;
	type WeightInfo = weights::pallet_identity::WeightInfo<Runtime>;
}

impl pallet_utility::Config for Runtime {
	type Event = Event;
	type Call = Call;
	type PalletsOrigin = OriginCaller;
	type WeightInfo = weights::pallet_utility::WeightInfo<Runtime>;
}

parameter_types! {
	// One storage item; key size is 32; value is size 4+4+16+32 bytes = 56 bytes.
	pub const DepositBase: Balance = deposit(1, 88);
	// Additional storage item size of 32 bytes.
	pub const DepositFactor: Balance = deposit(0, 32);
	pub const MaxSignatories: u16 = 100;
}

impl pallet_multisig::Config for Runtime {
	type Event = Event;
	type Call = Call;
	type Currency = Balances;
	type DepositBase = DepositBase;
	type DepositFactor = DepositFactor;
	type MaxSignatories = MaxSignatories;
	type WeightInfo = weights::pallet_multisig::WeightInfo<Runtime>;
}

parameter_types! {
	pub const ConfigDepositBase: Balance = 500 * CENTS;
	pub const FriendDepositFactor: Balance = 50 * CENTS;
	pub const MaxFriends: u16 = 9;
	pub const RecoveryDeposit: Balance = 500 * CENTS;
}

impl pallet_recovery::Config for Runtime {
	type Event = Event;
	type Call = Call;
	type Currency = Balances;
	type ConfigDepositBase = ConfigDepositBase;
	type FriendDepositFactor = FriendDepositFactor;
	type MaxFriends = MaxFriends;
	type RecoveryDeposit = RecoveryDeposit;
}

parameter_types! {
	pub const MinVestedTransfer: Balance = 100 * CENTS;
}

impl pallet_vesting::Config for Runtime {
	type Event = Event;
	type Currency = Balances;
	type BlockNumberToBalance = ConvertInto;
	type MinVestedTransfer = MinVestedTransfer;
	type WeightInfo = weights::pallet_vesting::WeightInfo<Runtime>;
	const MAX_VESTING_SCHEDULES: u32 = 28;
}

impl pallet_sudo::Config for Runtime {
	type Event = Event;
	type Call = Call;
}

parameter_types! {
	// One storage item; key size 32, value size 8; .
	pub const ProxyDepositBase: Balance = deposit(1, 8);
	// Additional storage item size of 33 bytes.
	pub const ProxyDepositFactor: Balance = deposit(0, 33);
	pub const MaxProxies: u16 = 32;
	pub const AnnouncementDepositBase: Balance = deposit(1, 8);
	pub const AnnouncementDepositFactor: Balance = deposit(0, 66);
	pub const MaxPending: u16 = 32;
}

/// The type used to represent the kinds of proxying allowed.
#[derive(
	Copy,
	Clone,
	Eq,
	PartialEq,
	Ord,
	PartialOrd,
	Encode,
	Decode,
	RuntimeDebug,
	MaxEncodedLen,
	scale_info::TypeInfo,
)]
pub enum ProxyType {
	Any,
	NonTransfer,
	Staking,
	SudoBalances,
	IdentityJudgement,
	CancelProxy,
	Auction,
}
impl Default for ProxyType {
	fn default() -> Self {
		Self::Any
	}
}
impl InstanceFilter<Call> for ProxyType {
	fn filter(&self, c: &Call) -> bool {
		match self {
			ProxyType::Any => true,
			ProxyType::NonTransfer => matches!(
				c,
				Call::System(..) |
				Call::Babe(..) |
				Call::Timestamp(..) |
				Call::Indices(pallet_indices::Call::claim{..}) |
				Call::Indices(pallet_indices::Call::free{..}) |
				Call::Indices(pallet_indices::Call::freeze{..}) |
				// Specifically omitting Indices `transfer`, `force_transfer`
				// Specifically omitting the entire Balances pallet
				Call::Authorship(..) |
				Call::Staking(..) |
				Call::Session(..) |
				Call::Grandpa(..) |
				Call::ImOnline(..) |
				Call::Utility(..) |
				Call::Identity(..) |
				Call::Recovery(pallet_recovery::Call::as_recovered{..}) |
				Call::Recovery(pallet_recovery::Call::vouch_recovery{..}) |
				Call::Recovery(pallet_recovery::Call::claim_recovery{..}) |
				Call::Recovery(pallet_recovery::Call::close_recovery{..}) |
				Call::Recovery(pallet_recovery::Call::remove_recovery{..}) |
				Call::Recovery(pallet_recovery::Call::cancel_recovered{..}) |
				// Specifically omitting Recovery `create_recovery`, `initiate_recovery`
				Call::Vesting(pallet_vesting::Call::vest{..}) |
				Call::Vesting(pallet_vesting::Call::vest_other{..}) |
				// Specifically omitting Vesting `vested_transfer`, and `force_vested_transfer`
				Call::Scheduler(..) |
				// Specifically omitting Sudo pallet
				Call::Proxy(..) |
				Call::Multisig(..) |
				Call::Registrar(paras_registrar::Call::register{..}) |
				Call::Registrar(paras_registrar::Call::deregister{..}) |
				// Specifically omitting Registrar `swap`
				Call::Registrar(paras_registrar::Call::reserve{..}) |
				Call::Crowdloan(..) |
				Call::Slots(..) |
				Call::Auctions(..) | // Specifically omitting the entire XCM Pallet
				Call::BagsList(..)
			),
			ProxyType::Staking => {
				matches!(c, Call::Staking(..) | Call::Session(..) | Call::Utility(..))
			},
			ProxyType::SudoBalances => match c {
				Call::Sudo(pallet_sudo::Call::sudo { call: ref x }) => {
					matches!(x.as_ref(), &Call::Balances(..))
				},
				Call::Utility(..) => true,
				_ => false,
			},
			ProxyType::IdentityJudgement => matches!(
				c,
				Call::Identity(pallet_identity::Call::provide_judgement { .. }) | Call::Utility(..)
			),
			ProxyType::CancelProxy => {
				matches!(c, Call::Proxy(pallet_proxy::Call::reject_announcement { .. }))
			},
			ProxyType::Auction => matches!(
				c,
				Call::Auctions(..) | Call::Crowdloan(..) | Call::Registrar(..) | Call::Slots(..)
			),
		}
	}
	fn is_superset(&self, o: &Self) -> bool {
		match (self, o) {
			(x, y) if x == y => true,
			(ProxyType::Any, _) => true,
			(_, ProxyType::Any) => false,
			(ProxyType::NonTransfer, _) => true,
			_ => false,
		}
	}
}

impl pallet_proxy::Config for Runtime {
	type Event = Event;
	type Call = Call;
	type Currency = Balances;
	type ProxyType = ProxyType;
	type ProxyDepositBase = ProxyDepositBase;
	type ProxyDepositFactor = ProxyDepositFactor;
	type MaxProxies = MaxProxies;
	type WeightInfo = weights::pallet_proxy::WeightInfo<Runtime>;
	type MaxPending = MaxPending;
	type CallHasher = BlakeTwo256;
	type AnnouncementDepositBase = AnnouncementDepositBase;
	type AnnouncementDepositFactor = AnnouncementDepositFactor;
}

impl parachains_origin::Config for Runtime {}

impl parachains_configuration::Config for Runtime {
	type WeightInfo = weights::runtime_parachains_configuration::WeightInfo<Runtime>;
}

impl parachains_shared::Config for Runtime {}

impl parachains_session_info::Config for Runtime {}

impl parachains_inclusion::Config for Runtime {
	type Event = Event;
	type DisputesHandler = ();
	type RewardValidators = parachains_reward_points::RewardValidatorsWithEraPoints<Runtime>;
}

impl parachains_paras::Config for Runtime {
	type Event = Event;
	type WeightInfo = weights::runtime_parachains_paras::WeightInfo<Runtime>;
}

parameter_types! {
	pub const FirstMessageFactorPercent: u64 = 100;
}

impl parachains_ump::Config for Runtime {
	type Event = Event;
	type UmpSink = crate::parachains_ump::XcmSink<XcmExecutor<XcmConfig>, Runtime>;
	type FirstMessageFactorPercent = FirstMessageFactorPercent;
	type ExecuteOverweightOrigin = EnsureRoot<AccountId>;
}

impl parachains_dmp::Config for Runtime {}

impl parachains_hrmp::Config for Runtime {
	type Event = Event;
	type Origin = Origin;
	type Currency = Balances;
}

impl parachains_paras_inherent::Config for Runtime {
	type WeightInfo = weights::runtime_parachains_paras_inherent::WeightInfo<Runtime>;
}

impl parachains_scheduler::Config for Runtime {}

impl parachains_initializer::Config for Runtime {
	type Randomness = pallet_babe::RandomnessFromOneEpochAgo<Runtime>;
	type ForceOrigin = EnsureRoot<AccountId>;
	type WeightInfo = weights::runtime_parachains_initializer::WeightInfo<Runtime>;
}

impl paras_sudo_wrapper::Config for Runtime {}

parameter_types! {
	pub const PermanentSlotLeasePeriodLength: u32 = 26;
	pub const TemporarySlotLeasePeriodLength: u32 = 1;
	pub const MaxPermanentSlots: u32 = 5;
	pub const MaxTemporarySlots: u32 = 20;
	pub const MaxTemporarySlotPerLeasePeriod: u32 = 5;
}

impl assigned_slots::Config for Runtime {
	type Event = Event;
	type AssignSlotOrigin = EnsureRoot<AccountId>;
	type Leaser = Slots;
	type PermanentSlotLeasePeriodLength = PermanentSlotLeasePeriodLength;
	type TemporarySlotLeasePeriodLength = TemporarySlotLeasePeriodLength;
	type MaxPermanentSlots = MaxPermanentSlots;
	type MaxTemporarySlots = MaxTemporarySlots;
	type MaxTemporarySlotPerLeasePeriod = MaxTemporarySlotPerLeasePeriod;
}

parameter_types! {
	pub const ParaDeposit: Balance = 2000 * CENTS;
	pub const DataDepositPerByte: Balance = deposit(0, 1);
}

impl paras_registrar::Config for Runtime {
	type Event = Event;
	type Origin = Origin;
	type Currency = Balances;
	type OnSwap = (Crowdloan, Slots);
	type ParaDeposit = ParaDeposit;
	type DataDepositPerByte = DataDepositPerByte;
	type WeightInfo = weights::runtime_common_paras_registrar::WeightInfo<Runtime>;
}

parameter_types! {
	pub const LeasePeriod: BlockNumber = 28 * DAYS;
}

impl slots::Config for Runtime {
	type Event = Event;
	type Currency = Balances;
	type Registrar = Registrar;
	type LeasePeriod = LeasePeriod;
	type LeaseOffset = ();
	type ForceOrigin = EnsureRoot<AccountId>;
	type WeightInfo = weights::runtime_common_slots::WeightInfo<Runtime>;
}

parameter_types! {
	pub const CrowdloanId: PalletId = PalletId(*b"py/cfund");
	pub const SubmissionDeposit: Balance = 100 * 100 * CENTS;
	pub const MinContribution: Balance = 100 * CENTS;
	pub const RemoveKeysLimit: u32 = 500;
	// Allow 32 bytes for an additional memo to a crowdloan.
	pub const MaxMemoLength: u8 = 32;
}

impl crowdloan::Config for Runtime {
	type Event = Event;
	type PalletId = CrowdloanId;
	type SubmissionDeposit = SubmissionDeposit;
	type MinContribution = MinContribution;
	type RemoveKeysLimit = RemoveKeysLimit;
	type Registrar = Registrar;
	type Auctioneer = Auctions;
	type MaxMemoLength = MaxMemoLength;
	type WeightInfo = weights::runtime_common_crowdloan::WeightInfo<Runtime>;
}

parameter_types! {
	// The average auction is 7 days long, so this will be 70% for ending period.
	// 5 Days = 72000 Blocks @ 6 sec per block
	pub const EndingPeriod: BlockNumber = 5 * DAYS;
	// ~ 1000 samples per day -> ~ 20 blocks per sample -> 2 minute samples
	pub const SampleLength: BlockNumber = 2 * MINUTES;
}

impl auctions::Config for Runtime {
	type Event = Event;
	type Leaser = Slots;
	type Registrar = Registrar;
	type EndingPeriod = EndingPeriod;
	type SampleLength = SampleLength;
	type Randomness = pallet_babe::RandomnessFromOneEpochAgo<Runtime>;
	type InitiateOrigin = EnsureRoot<AccountId>;
	type WeightInfo = weights::runtime_common_auctions::WeightInfo<Runtime>;
}

parameter_types! {
	pub const WndLocation: MultiLocation = Here.into();
	pub const Ancestry: MultiLocation = Here.into();
	pub WestendNetwork: NetworkId = NetworkId::Named(b"Westend".to_vec());
	pub CheckAccount: AccountId = XcmPallet::check_account();
}

pub type LocationConverter =
	(ChildParachainConvertsVia<ParaId, AccountId>, AccountId32Aliases<WestendNetwork, AccountId>);

pub type LocalAssetTransactor = XcmCurrencyAdapter<
	// Use this currency:
	Balances,
	// Use this currency when it is a fungible asset matching the given location or name:
	IsConcrete<WndLocation>,
	// We can convert the MultiLocations with our converter above:
	LocationConverter,
	// Our chain's account ID type (we can't get away without mentioning it explicitly):
	AccountId,
	// It's a native asset so we keep track of the teleports to maintain total issuance.
	CheckAccount,
>;

type LocalOriginConverter = (
	SovereignSignedViaLocation<LocationConverter, Origin>,
	ChildParachainAsNative<parachains_origin::Origin, Origin>,
	SignedAccountId32AsNative<WestendNetwork, Origin>,
	ChildSystemParachainAsSuperuser<ParaId, Origin>,
);

/// The XCM router. When we want to send an XCM message, we use this type. It amalgamates all of our
/// individual routers.
pub type XcmRouter = (
	// Only one router so far - use DMP to communicate with child parachains.
	xcm_sender::ChildParachainRouter<Runtime, XcmPallet>,
);

parameter_types! {
	pub const Westmint: MultiLocation = Parachain(1000).into();
	pub const WestendForWestmint: (MultiAssetFilter, MultiLocation) =
		(Wild(AllOf { fun: WildFungible, id: Concrete(WndLocation::get()) }), Westmint::get());
	pub const MaxInstructions: u32 = 100;
}
pub type TrustedTeleporters = (xcm_builder::Case<WestendForWestmint>,);

/// The barriers one of which must be passed for an XCM message to be executed.
pub type Barrier = (
	// Weight that is paid for may be consumed.
	TakeWeightCredit,
	// If the message is one that immediately attemps to pay for execution, then allow it.
	AllowTopLevelPaidExecutionFrom<Everything>,
	// Messages coming from system parachains need not pay for execution.
	AllowUnpaidExecutionFrom<IsChildSystemParachain<ParaId>>,
	// Expected responses are OK.
	AllowKnownQueryResponses<XcmPallet>,
	// Subscriptions for version tracking are OK.
	AllowSubscriptionsFrom<Everything>,
);

pub struct XcmConfig;
impl xcm_executor::Config for XcmConfig {
	type Call = Call;
	type XcmSender = XcmRouter;
	type AssetTransactor = LocalAssetTransactor;
	type OriginConverter = LocalOriginConverter;
	type IsReserve = ();
	type IsTeleporter = TrustedTeleporters;
	type LocationInverter = LocationInverter<Ancestry>;
	type Barrier = Barrier;
	type Weigher = WeightInfoBounds<weights::xcm::WestendXcmWeight<Call>, Call, MaxInstructions>;
	type Trader = UsingComponents<WeightToFee, WndLocation, AccountId, Balances, ToAuthor<Runtime>>;
	type ResponseHandler = XcmPallet;
	type AssetTrap = XcmPallet;
	type AssetClaims = XcmPallet;
	type SubscriptionService = XcmPallet;
}

/// Type to convert an `Origin` type value into a `MultiLocation` value which represents an interior location
/// of this chain.
pub type LocalOriginToLocation = (
	// And a usual Signed origin to be used in XCM as a corresponding AccountId32
	SignedToAccountId32<Origin, AccountId, WestendNetwork>,
);

impl pallet_xcm::Config for Runtime {
	type Event = Event;
	type SendXcmOrigin = xcm_builder::EnsureXcmOrigin<Origin, LocalOriginToLocation>;
	type XcmRouter = XcmRouter;
	// Anyone can execute XCM messages locally...
	type ExecuteXcmOrigin = xcm_builder::EnsureXcmOrigin<Origin, LocalOriginToLocation>;
	// ...but they must match our filter, which rejects everything.
	type XcmExecuteFilter = Nothing;
	type XcmExecutor = XcmExecutor<XcmConfig>;
	type XcmTeleportFilter = Everything;
	type XcmReserveTransferFilter = Everything;
	type Weigher = WeightInfoBounds<weights::xcm::WestendXcmWeight<Call>, Call, MaxInstructions>;
	type LocationInverter = LocationInverter<Ancestry>;
	type Origin = Origin;
	type Call = Call;
	const VERSION_DISCOVERY_QUEUE_SIZE: u32 = 100;
	type AdvertisedXcmVersion = pallet_xcm::CurrentXcmVersion;
}

construct_runtime! {
	pub enum Runtime where
		Block = Block,
		NodeBlock = primitives::v1::Block,
		UncheckedExtrinsic = UncheckedExtrinsic
	{
		// Basic stuff; balances is uncallable initially.
		System: frame_system::{Pallet, Call, Storage, Config, Event<T>} = 0,

		// Babe must be before session.
		Babe: pallet_babe::{Pallet, Call, Storage, Config, ValidateUnsigned} = 1,

		Timestamp: pallet_timestamp::{Pallet, Call, Storage, Inherent} = 2,
		Indices: pallet_indices::{Pallet, Call, Storage, Config<T>, Event<T>} = 3,
		Balances: pallet_balances::{Pallet, Call, Storage, Config<T>, Event<T>} = 4,
		TransactionPayment: pallet_transaction_payment::{Pallet, Storage} = 26,

		// Consensus support.
		// Authorship must be before session in order to note author in the correct session and era
		// for im-online and staking.
		Authorship: pallet_authorship::{Pallet, Call, Storage} = 5,
		Staking: pallet_staking::{Pallet, Call, Storage, Config<T>, Event<T>} = 6,
		Offences: pallet_offences::{Pallet, Storage, Event} = 7,
		Historical: session_historical::{Pallet} = 27,
		Session: pallet_session::{Pallet, Call, Storage, Event, Config<T>} = 8,
		Grandpa: pallet_grandpa::{Pallet, Call, Storage, Config, Event, ValidateUnsigned} = 10,
		ImOnline: pallet_im_online::{Pallet, Call, Storage, Event<T>, ValidateUnsigned, Config<T>} = 11,
		AuthorityDiscovery: pallet_authority_discovery::{Pallet, Config} = 12,

		// Utility module.
		Utility: pallet_utility::{Pallet, Call, Event} = 16,

		// Less simple identity module.
		Identity: pallet_identity::{Pallet, Call, Storage, Event<T>} = 17,

		// Social recovery module.
		Recovery: pallet_recovery::{Pallet, Call, Storage, Event<T>} = 18,

		// Vesting. Usable initially, but removed once all vesting is finished.
		Vesting: pallet_vesting::{Pallet, Call, Storage, Event<T>, Config<T>} = 19,

		// System scheduler.
		Scheduler: pallet_scheduler::{Pallet, Call, Storage, Event<T>} = 20,

		// Preimage registrar.
		Preimage: pallet_preimage::{Pallet, Call, Storage, Event<T>} = 28,

		// Sudo.
		Sudo: pallet_sudo::{Pallet, Call, Storage, Event<T>, Config<T>} = 21,

		// Proxy module. Late addition.
		Proxy: pallet_proxy::{Pallet, Call, Storage, Event<T>} = 22,

		// Multisig module. Late addition.
		Multisig: pallet_multisig::{Pallet, Call, Storage, Event<T>} = 23,

		// Election pallet. Only works with staking, but placed here to maintain indices.
		ElectionProviderMultiPhase: pallet_election_provider_multi_phase::{Pallet, Call, Storage, Event<T>, ValidateUnsigned} = 24,

		// Provides a semi-sorted list of nominators for staking.
		BagsList: pallet_bags_list::{Pallet, Call, Storage, Event<T>} = 25,

		// Parachains pallets. Start indices at 40 to leave room.
		ParachainsOrigin: parachains_origin::{Pallet, Origin} = 41,
		Configuration: parachains_configuration::{Pallet, Call, Storage, Config<T>} = 42,
		ParasShared: parachains_shared::{Pallet, Call, Storage} = 43,
		ParaInclusion: parachains_inclusion::{Pallet, Call, Storage, Event<T>} = 44,
		ParaInherent: parachains_paras_inherent::{Pallet, Call, Storage, Inherent} = 45,
		ParaScheduler: parachains_scheduler::{Pallet, Storage} = 46,
		Paras: parachains_paras::{Pallet, Call, Storage, Event, Config} = 47,
		Initializer: parachains_initializer::{Pallet, Call, Storage} = 48,
		Dmp: parachains_dmp::{Pallet, Call, Storage} = 49,
		Ump: parachains_ump::{Pallet, Call, Storage, Event} = 50,
		Hrmp: parachains_hrmp::{Pallet, Call, Storage, Event<T>, Config} = 51,
		ParaSessionInfo: parachains_session_info::{Pallet, Storage} = 52,

		// Parachain Onboarding Pallets. Start indices at 60 to leave room.
		Registrar: paras_registrar::{Pallet, Call, Storage, Event<T>, Config} = 60,
		Slots: slots::{Pallet, Call, Storage, Event<T>} = 61,
		ParasSudoWrapper: paras_sudo_wrapper::{Pallet, Call} = 62,
		Auctions: auctions::{Pallet, Call, Storage, Event<T>} = 63,
		Crowdloan: crowdloan::{Pallet, Call, Storage, Event<T>} = 64,
		AssignedSlots: assigned_slots::{Pallet, Call, Storage, Event<T>} = 65,

		// Pallet for sending XCM.
		XcmPallet: pallet_xcm::{Pallet, Call, Storage, Event<T>, Origin, Config} = 99,
	}
}

/// The address format for describing accounts.
pub type Address = sp_runtime::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>;
/// 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::CheckMortality<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, Call, Signature, SignedExtra>;
/// Executive: handles dispatch to the various modules.
pub type Executive = frame_executive::Executive<
	Runtime,
	Block,
	frame_system::ChainContext<Runtime>,
	Runtime,
	AllPalletsWithSystem,
	(SessionHistoricalPalletPrefixMigration, SchedulerMigrationV3),
>;
/// The payload being signed in transactions.
pub type SignedPayload = generic::SignedPayload<Call, SignedExtra>;

// Migration for scheduler pallet to move from a plain Call to a CallOrHash.
pub struct SchedulerMigrationV3;

impl OnRuntimeUpgrade for SchedulerMigrationV3 {
	fn on_runtime_upgrade() -> frame_support::weights::Weight {
		Scheduler::migrate_v2_to_v3()
	}

	#[cfg(feature = "try-runtime")]
	fn pre_upgrade() -> Result<(), &'static str> {
		Scheduler::pre_migrate_to_v3()
	}

	#[cfg(feature = "try-runtime")]
	fn post_upgrade() -> Result<(), &'static str> {
		Scheduler::post_migrate_to_v3()
	}
}

/// Migrate session-historical from `Session` to the new pallet prefix `Historical`
pub struct SessionHistoricalPalletPrefixMigration;

impl OnRuntimeUpgrade for SessionHistoricalPalletPrefixMigration {
	fn on_runtime_upgrade() -> frame_support::weights::Weight {
		pallet_session::migrations::v1::migrate::<Runtime, Historical>()
	}

	#[cfg(feature = "try-runtime")]
	fn pre_upgrade() -> Result<(), &'static str> {
		pallet_session::migrations::v1::pre_migrate::<Runtime, Historical>();
		Ok(())
	}

	#[cfg(feature = "try-runtime")]
	fn post_upgrade() -> Result<(), &'static str> {
		pallet_session::migrations::v1::post_migrate::<Runtime, Historical>();
		Ok(())
	}
}

#[cfg(not(feature = "disable-runtime-api"))]
sp_api::impl_runtime_apis! {
	impl sp_api::Core<Block> for Runtime {
		fn version() -> RuntimeVersion {
			VERSION
		}

		fn execute_block(block: Block) {
			Executive::execute_block(block);
		}

		fn initialize_block(header: &<Block as BlockT>::Header) {
			Executive::initialize_block(header)
		}
	}

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

	impl block_builder_api::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: inherents::InherentData) -> Vec<<Block as BlockT>::Extrinsic> {
			data.create_extrinsics()
		}

		fn check_inherents(
			block: Block,
			data: inherents::InherentData,
		) -> inherents::CheckInherentsResult {
			data.check_extrinsics(&block)
		}
	}

	impl tx_pool_api::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 offchain_primitives::OffchainWorkerApi<Block> for Runtime {
		fn offchain_worker(header: &<Block as BlockT>::Header) {
			Executive::offchain_worker(header)
		}
	}

	impl primitives::v1::ParachainHost<Block, Hash, BlockNumber> for Runtime {
		fn validators() -> Vec<ValidatorId> {
			parachains_runtime_api_impl::validators::<Runtime>()
		}

		fn validator_groups() -> (Vec<Vec<ValidatorIndex>>, GroupRotationInfo<BlockNumber>) {
			parachains_runtime_api_impl::validator_groups::<Runtime>()
		}

		fn availability_cores() -> Vec<CoreState<Hash, BlockNumber>> {
			parachains_runtime_api_impl::availability_cores::<Runtime>()
		}

		fn persisted_validation_data(para_id: ParaId, assumption: OccupiedCoreAssumption)
			-> Option<PersistedValidationData<Hash, BlockNumber>> {
			parachains_runtime_api_impl::persisted_validation_data::<Runtime>(para_id, assumption)
		}

		fn assumed_validation_data(
			para_id: ParaId,
			expected_persisted_validation_data_hash: Hash,
		) -> Option<(PersistedValidationData<Hash, BlockNumber>, ValidationCodeHash)> {
			parachains_runtime_api_impl::assumed_validation_data::<Runtime>(
				para_id,
				expected_persisted_validation_data_hash,
			)
		}

		fn check_validation_outputs(
			para_id: ParaId,
			outputs: primitives::v1::CandidateCommitments,
		) -> bool {
			parachains_runtime_api_impl::check_validation_outputs::<Runtime>(para_id, outputs)
		}

		fn session_index_for_child() -> SessionIndex {
			parachains_runtime_api_impl::session_index_for_child::<Runtime>()
		}

		fn validation_code(para_id: ParaId, assumption: OccupiedCoreAssumption)
			-> Option<ValidationCode> {
			parachains_runtime_api_impl::validation_code::<Runtime>(para_id, assumption)
		}

		fn candidate_pending_availability(para_id: ParaId) -> Option<CommittedCandidateReceipt<Hash>> {
			parachains_runtime_api_impl::candidate_pending_availability::<Runtime>(para_id)
		}

		fn candidate_events() -> Vec<CandidateEvent<Hash>> {
			parachains_runtime_api_impl::candidate_events::<Runtime, _>(|ev| {
				match ev {
					Event::ParaInclusion(ev) => {
						Some(ev)
					}
					_ => None,
				}
			})
		}

		fn session_info(index: SessionIndex) -> Option<SessionInfo> {
			parachains_runtime_api_impl::session_info::<Runtime>(index)
		}

		fn dmq_contents(recipient: ParaId) -> Vec<InboundDownwardMessage<BlockNumber>> {
			parachains_runtime_api_impl::dmq_contents::<Runtime>(recipient)
		}

		fn inbound_hrmp_channels_contents(
			recipient: ParaId
		) -> BTreeMap<ParaId, Vec<InboundHrmpMessage<BlockNumber>>> {
			parachains_runtime_api_impl::inbound_hrmp_channels_contents::<Runtime>(recipient)
		}

		fn validation_code_by_hash(hash: ValidationCodeHash) -> Option<ValidationCode> {
			parachains_runtime_api_impl::validation_code_by_hash::<Runtime>(hash)
		}

		fn on_chain_votes() -> Option<ScrapedOnChainVotes<Hash>> {
			parachains_runtime_api_impl::on_chain_votes::<Runtime>()
		}
	}

	impl beefy_primitives::BeefyApi<Block> for Runtime {
		fn validator_set() -> beefy_primitives::ValidatorSet<BeefyId> {
			// dummy implementation due to lack of BEEFY pallet.
			beefy_primitives::ValidatorSet { validators: Vec::new(), id: 0 }
		}
	}

	impl pallet_mmr_primitives::MmrApi<Block, Hash> for Runtime {
		fn generate_proof(_leaf_index: u64)
			-> Result<(mmr::EncodableOpaqueLeaf, mmr::Proof<Hash>), mmr::Error>
		{
			// dummy implementation due to lack of MMR pallet.
			Err(mmr::Error::GenerateProof)
		}

		fn verify_proof(_leaf: mmr::EncodableOpaqueLeaf, _proof: mmr::Proof<Hash>)
			-> Result<(), mmr::Error>
		{
			// dummy implementation due to lack of MMR pallet.
			Err(mmr::Error::Verify)
		}

		fn verify_proof_stateless(
			_root: Hash,
			_leaf: mmr::EncodableOpaqueLeaf,
			_proof: mmr::Proof<Hash>
		) -> Result<(), mmr::Error> {
			// dummy implementation due to lack of MMR pallet.
			Err(mmr::Error::Verify)
		}
	}

	impl fg_primitives::GrandpaApi<Block> for Runtime {
		fn grandpa_authorities() -> Vec<(GrandpaId, u64)> {
			Grandpa::grandpa_authorities()
		}

		fn current_set_id() -> fg_primitives::SetId {
			Grandpa::current_set_id()
		}

		fn submit_report_equivocation_unsigned_extrinsic(
			equivocation_proof: fg_primitives::EquivocationProof<
				<Block as BlockT>::Hash,
				sp_runtime::traits::NumberFor<Block>,
			>,
			key_owner_proof: fg_primitives::OpaqueKeyOwnershipProof,
		) -> Option<()> {
			let key_owner_proof = key_owner_proof.decode()?;

			Grandpa::submit_unsigned_equivocation_report(
				equivocation_proof,
				key_owner_proof,
			)
		}

		fn generate_key_ownership_proof(
			_set_id: fg_primitives::SetId,
			authority_id: fg_primitives::AuthorityId,
		) -> Option<fg_primitives::OpaqueKeyOwnershipProof> {
			use parity_scale_codec::Encode;

			Historical::prove((fg_primitives::KEY_TYPE, authority_id))
				.map(|p| p.encode())
				.map(fg_primitives::OpaqueKeyOwnershipProof::new)
		}
	}

	impl babe_primitives::BabeApi<Block> for Runtime {
		fn configuration() -> babe_primitives::BabeGenesisConfiguration {
			// The choice of `c` parameter (where `1 - c` represents the
			// probability of a slot being empty), is done in accordance to the
			// slot duration and expected target block time, for safely
			// resisting network delays of maximum two seconds.
			// <https://research.web3.foundation/en/latest/polkadot/BABE/Babe/#6-practical-results>
			babe_primitives::BabeGenesisConfiguration {
				slot_duration: Babe::slot_duration(),
				epoch_length: EpochDuration::get(),
				c: BABE_GENESIS_EPOCH_CONFIG.c,
				genesis_authorities: Babe::authorities().to_vec(),
				randomness: Babe::randomness(),
				allowed_slots: BABE_GENESIS_EPOCH_CONFIG.allowed_slots,
			}
		}

		fn current_epoch_start() -> babe_primitives::Slot {
			Babe::current_epoch_start()
		}

		fn current_epoch() -> babe_primitives::Epoch {
			Babe::current_epoch()
		}

		fn next_epoch() -> babe_primitives::Epoch {
			Babe::next_epoch()
		}

		fn generate_key_ownership_proof(
			_slot: babe_primitives::Slot,
			authority_id: babe_primitives::AuthorityId,
		) -> Option<babe_primitives::OpaqueKeyOwnershipProof> {
			use parity_scale_codec::Encode;

			Historical::prove((babe_primitives::KEY_TYPE, authority_id))
				.map(|p| p.encode())
				.map(babe_primitives::OpaqueKeyOwnershipProof::new)
		}

		fn submit_report_equivocation_unsigned_extrinsic(
			equivocation_proof: babe_primitives::EquivocationProof<<Block as BlockT>::Header>,
			key_owner_proof: babe_primitives::OpaqueKeyOwnershipProof,
		) -> Option<()> {
			let key_owner_proof = key_owner_proof.decode()?;

			Babe::submit_unsigned_equivocation_report(
				equivocation_proof,
				key_owner_proof,
			)
		}
	}

	impl authority_discovery_primitives::AuthorityDiscoveryApi<Block> for Runtime {
		fn authorities() -> Vec<AuthorityDiscoveryId> {
			parachains_runtime_api_impl::relevant_authority_ids::<Runtime>()
		}
	}

	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>, sp_core::crypto::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) -> RuntimeDispatchInfo<Balance> {
			TransactionPayment::query_info(uxt, len)
		}
		fn query_fee_details(uxt: <Block as BlockT>::Extrinsic, len: u32) -> FeeDetails<Balance> {
			TransactionPayment::query_fee_details(uxt, len)
		}
	}

	#[cfg(feature = "try-runtime")]
	impl frame_try_runtime::TryRuntime<Block> for Runtime {
		fn on_runtime_upgrade() -> (Weight, Weight) {
			log::info!("try-runtime::on_runtime_upgrade westend.");
			let weight = Executive::try_runtime_upgrade().unwrap();
			(weight, BlockWeights::get().max_block)
		}
		fn execute_block_no_check(block: Block) -> Weight {
			Executive::execute_block_no_check(block)
		}
	}

	#[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::{list_benchmark, Benchmarking, BenchmarkList};
			use frame_support::traits::StorageInfoTrait;

			use pallet_session_benchmarking::Pallet as SessionBench;
			use pallet_offences_benchmarking::Pallet as OffencesBench;
			use frame_system_benchmarking::Pallet as SystemBench;

			type XcmBalances = pallet_xcm_benchmarks::fungible::Pallet::<Runtime>;
			type XcmGeneric = pallet_xcm_benchmarks::generic::Pallet::<Runtime>;

			let mut list = Vec::<BenchmarkList>::new();

			// Polkadot
			// NOTE: Make sure to prefix these `runtime_common::` so that path resolves correctly
			// in the generated file.
			list_benchmark!(list, extra, runtime_common::auctions, Auctions);
			list_benchmark!(list, extra, runtime_common::crowdloan, Crowdloan);
			list_benchmark!(list, extra, runtime_common::paras_registrar, Registrar);
			list_benchmark!(list, extra, runtime_common::slots, Slots);
			list_benchmark!(list, extra, runtime_parachains::configuration, Configuration);
			list_benchmark!(list, extra, runtime_parachains::initializer, Initializer);
			list_benchmark!(list, extra, runtime_parachains::paras_inherent, ParaInherent);
			list_benchmark!(list, extra, runtime_parachains::paras, Paras);

			// Substrate
			list_benchmark!(list, extra, pallet_bags_list, BagsList);
			list_benchmark!(list, extra, pallet_balances, Balances);
			list_benchmark!(list, extra, pallet_election_provider_multi_phase, ElectionProviderMultiPhase);
			list_benchmark!(list, extra, pallet_identity, Identity);
			list_benchmark!(list, extra, pallet_im_online, ImOnline);
			list_benchmark!(list, extra, pallet_indices, Indices);
			list_benchmark!(list, extra, pallet_multisig, Multisig);
			list_benchmark!(list, extra, pallet_offences, OffencesBench::<Runtime>);
			list_benchmark!(list, extra, pallet_preimage, Preimage);
			list_benchmark!(list, extra, pallet_proxy, Proxy);
			list_benchmark!(list, extra, pallet_scheduler, Scheduler);
			list_benchmark!(list, extra, pallet_session, SessionBench::<Runtime>);
			list_benchmark!(list, extra, pallet_staking, Staking);
			list_benchmark!(list, extra, frame_system, SystemBench::<Runtime>);
			list_benchmark!(list, extra, pallet_timestamp, Timestamp);
			list_benchmark!(list, extra, pallet_utility, Utility);
			list_benchmark!(list, extra, pallet_vesting, Vesting);

			// XCM Benchmarks
			// NOTE: Make sure you point to the individual modules below.
			list_benchmark!(list, extra, pallet_xcm_benchmarks::fungible, XcmBalances);
			list_benchmark!(list, extra, pallet_xcm_benchmarks::generic, XcmGeneric);

			let storage_info = AllPalletsWithSystem::storage_info();

			return (list, storage_info)
		}

		fn dispatch_benchmark(
			config: frame_benchmarking::BenchmarkConfig,
		) -> Result<
			Vec<frame_benchmarking::BenchmarkBatch>,
			sp_runtime::RuntimeString,
		> {
			use frame_benchmarking::{Benchmarking, BenchmarkBatch, add_benchmark, TrackedStorageKey, BenchmarkError};
			// Trying to add benchmarks directly to some pallets caused cyclic dependency issues.
			// To get around that, we separated the benchmarks into its own crate.
			use pallet_session_benchmarking::Pallet as SessionBench;
			use pallet_offences_benchmarking::Pallet as OffencesBench;
			use frame_system_benchmarking::Pallet as SystemBench;

			impl pallet_session_benchmarking::Config for Runtime {}
			impl pallet_offences_benchmarking::Config for Runtime {}
			impl frame_system_benchmarking::Config for Runtime {}

			use xcm::latest::MultiAsset;

			impl pallet_xcm_benchmarks::Config for Runtime {
				type XcmConfig = XcmConfig;
				type AccountIdConverter = LocationConverter;
				fn valid_destination() -> Result<MultiLocation, BenchmarkError> {
					Ok(Westmint::get())
				}
				fn worst_case_holding() -> MultiAssets {
					// Westend only knows about WND.
					vec![MultiAsset{
						id: Concrete(WndLocation::get()),
						fun: Fungible(1_000_000 * UNITS),
					}].into()
				}
			}

			parameter_types! {
				pub const TrustedTeleporter: Option<(MultiLocation, MultiAsset)> = Some((
					Westmint::get(),
					MultiAsset { fun: Fungible(1 * UNITS), id: Concrete(WndLocation::get()) },
				));
			}

			impl pallet_xcm_benchmarks::fungible::Config for Runtime {
				type TransactAsset = Balances;

				type CheckedAccount = CheckAccount;
				type TrustedTeleporter = TrustedTeleporter;

				fn get_multi_asset() -> MultiAsset {
					MultiAsset {
						id: Concrete(WndLocation::get()),
						fun: Fungible(1 * UNITS),
					}
				}
			}

			impl pallet_xcm_benchmarks::generic::Config for Runtime {
				type Call = Call;

				fn worst_case_response() -> (u64, Response) {
					(0u64, Response::Version(Default::default()))
				}

				fn transact_origin() -> Result<MultiLocation, BenchmarkError> {
					Ok(Westmint::get())
				}

				fn subscribe_origin() -> Result<MultiLocation, BenchmarkError> {
					Ok(Westmint::get())
				}

				fn claimable_asset() -> Result<(MultiLocation, MultiLocation, MultiAssets), BenchmarkError> {
					let origin = Westmint::get();
					let assets: MultiAssets = (Concrete(WndLocation::get()), 1_000 * UNITS).into();
					let ticket = MultiLocation { parents: 0, interior: Here };
					Ok((origin, ticket, assets))
				}
			}

			type XcmBalances = pallet_xcm_benchmarks::fungible::Pallet::<Runtime>;
			type XcmGeneric = pallet_xcm_benchmarks::generic::Pallet::<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(),
				// Treasury Account
				hex_literal::hex!("26aa394eea5630e07c48ae0c9558cef7b99d880ec681799c0cf30e8886371da95ecffd7b6c0f78751baa9d281e0bfa3a6d6f646c70792f74727372790000000000000000000000000000000000000000").to_vec().into(),
				// Dmp DownwardMessageQueueHeads
				hex_literal::hex!("63f78c98723ddc9073523ef3beefda0c4d7fefc408aac59dbfe80a72ac8e3ce5").to_vec().into(),
				// Dmp DownwardMessageQueues
				hex_literal::hex!("63f78c98723ddc9073523ef3beefda0ca95dac46c07a40d91506e7637ec4ba57").to_vec().into(),
				// Configuration ActiveConfig
				hex_literal::hex!("06de3d8a54d27e44a9d5ce189618f22db4b49d95320d9021994c850f25b8e385").to_vec().into(),
			];

			let mut batches = Vec::<BenchmarkBatch>::new();
			let params = (&config, &whitelist);

			// Polkadot
			// NOTE: Make sure to prefix these `runtime_common::` so that path resolves correctly
			// in the generated file.
			add_benchmark!(params, batches, runtime_common::auctions, Auctions);
			add_benchmark!(params, batches, runtime_common::crowdloan, Crowdloan);
			add_benchmark!(params, batches, runtime_common::paras_registrar, Registrar);
			add_benchmark!(params, batches, runtime_common::slots, Slots);
			add_benchmark!(params, batches, runtime_parachains::configuration, Configuration);
			add_benchmark!(params, batches, runtime_parachains::initializer, Initializer);
			add_benchmark!(params, batches, runtime_parachains::paras, Paras);
			add_benchmark!(params, batches, runtime_parachains::paras_inherent, ParaInherent);

			// Substrate
			add_benchmark!(params, batches, pallet_bags_list, BagsList);
			add_benchmark!(params, batches, pallet_balances, Balances);
			add_benchmark!(params, batches, pallet_election_provider_multi_phase, ElectionProviderMultiPhase);
			add_benchmark!(params, batches, pallet_identity, Identity);
			add_benchmark!(params, batches, pallet_im_online, ImOnline);
			add_benchmark!(params, batches, pallet_indices, Indices);
			add_benchmark!(params, batches, pallet_multisig, Multisig);
			add_benchmark!(params, batches, pallet_offences, OffencesBench::<Runtime>);
			add_benchmark!(params, batches, pallet_preimage, Preimage);
			add_benchmark!(params, batches, pallet_proxy, Proxy);
			add_benchmark!(params, batches, pallet_scheduler, Scheduler);
			add_benchmark!(params, batches, pallet_session, SessionBench::<Runtime>);
			add_benchmark!(params, batches, pallet_staking, Staking);
			add_benchmark!(params, batches, frame_system, SystemBench::<Runtime>);
			add_benchmark!(params, batches, pallet_timestamp, Timestamp);
			add_benchmark!(params, batches, pallet_utility, Utility);
			add_benchmark!(params, batches, pallet_vesting, Vesting);

			// XCM Benchmarks
			// NOTE: Make sure you point to the individual modules below.
			add_benchmark!(params, batches, pallet_xcm_benchmarks::fungible, XcmBalances);
			add_benchmark!(params, batches, pallet_xcm_benchmarks::generic, XcmGeneric);

			Ok(batches)
		}
	}
}