// This file is part of Substrate.

// Copyright (C) 2018-2022 Parity Technologies (UK) Ltd.
// SPDX-License-Identifier: GPL-3.0-or-later WITH Classpath-exception-2.0

// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.

// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.

//! The Substrate 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 codec::{Decode, Encode, MaxEncodedLen};
use frame_election_provider_support::{
	onchain, ElectionDataProvider, ExtendedBalance, SequentialPhragmen, VoteWeight,
};
use frame_support::{
	construct_runtime,
	pallet_prelude::Get,
	parameter_types,
	traits::{
		AsEnsureOriginWithArg, ConstU128, ConstU16, ConstU32, Currency, EitherOfDiverse,
		EqualPrivilegeOnly, Everything, Imbalance, InstanceFilter, KeyOwnerProofSystem,
		LockIdentifier, Nothing, OnUnbalanced, U128CurrencyToVote,
	},
	weights::{
		constants::{BlockExecutionWeight, ExtrinsicBaseWeight, RocksDbWeight, WEIGHT_PER_SECOND},
		ConstantMultiplier, DispatchClass, IdentityFee, Weight,
	},
	PalletId, RuntimeDebug,
};
use frame_system::{
	limits::{BlockLength, BlockWeights},
	EnsureRoot, EnsureSigned,
};
pub use node_primitives::{AccountId, Signature};
use node_primitives::{AccountIndex, Balance, BlockNumber, Hash, Index, Moment};
use pallet_contracts::weights::WeightInfo;
use pallet_election_provider_multi_phase::SolutionAccuracyOf;
use pallet_grandpa::{
	fg_primitives, AuthorityId as GrandpaId, AuthorityList as GrandpaAuthorityList,
};
use pallet_im_online::sr25519::AuthorityId as ImOnlineId;
use pallet_session::historical::{self as pallet_session_historical};
pub use pallet_transaction_payment::{CurrencyAdapter, Multiplier, TargetedFeeAdjustment};
use pallet_transaction_payment::{FeeDetails, RuntimeDispatchInfo};
use sp_api::impl_runtime_apis;
use sp_authority_discovery::AuthorityId as AuthorityDiscoveryId;
use sp_core::{crypto::KeyTypeId, OpaqueMetadata};
use sp_inherents::{CheckInherentsResult, InherentData};
use sp_runtime::{
	create_runtime_str,
	curve::PiecewiseLinear,
	generic, impl_opaque_keys,
	traits::{
		self, BlakeTwo256, Block as BlockT, ConvertInto, NumberFor, OpaqueKeys,
		SaturatedConversion, StaticLookup,
	},
	transaction_validity::{TransactionPriority, TransactionSource, TransactionValidity},
	ApplyExtrinsicResult, FixedPointNumber, Perbill, Percent, Permill, Perquintill,
};
use sp_std::prelude::*;
#[cfg(any(feature = "std", test))]
use sp_version::NativeVersion;
use sp_version::RuntimeVersion;
use static_assertions::const_assert;

#[cfg(any(feature = "std", test))]
pub use frame_system::Call as SystemCall;
#[cfg(any(feature = "std", test))]
pub use pallet_balances::Call as BalancesCall;
#[cfg(any(feature = "std", test))]
pub use pallet_staking::StakerStatus;
#[cfg(any(feature = "std", test))]
pub use pallet_sudo::Call as SudoCall;
#[cfg(any(feature = "std", test))]
pub use sp_runtime::BuildStorage;

/// Implementations of some helper traits passed into runtime modules as associated types.
pub mod impls;
use impls::{Author, CreditToBlockAuthor};

/// Constant values used within the runtime.
pub mod constants;
use constants::{currency::*, time::*};
use sp_runtime::generic::Era;

/// Generated voter bag information.
mod voter_bags;

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

/// Wasm binary unwrapped. If built with `SKIP_WASM_BUILD`, the function panics.
#[cfg(feature = "std")]
pub fn wasm_binary_unwrap() -> &'static [u8] {
	WASM_BINARY.expect(
		"Development wasm binary is not available. This means the client is built with \
		 `SKIP_WASM_BUILD` flag and it is only usable for production chains. Please rebuild with \
		 the flag disabled.",
	)
}

/// Runtime version.
#[sp_version::runtime_version]
pub const VERSION: RuntimeVersion = RuntimeVersion {
	spec_name: create_runtime_str!("node"),
	impl_name: create_runtime_str!("substrate-node"),
	authoring_version: 10,
	// Per convention: if the runtime behavior changes, increment spec_version
	// and set impl_version to 0. If only runtime
	// implementation changes and behavior does not, then leave spec_version as
	// is and increment impl_version.
	spec_version: 268,
	impl_version: 0,
	apis: RUNTIME_API_VERSIONS,
	transaction_version: 2,
	state_version: 1,
};

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

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

type NegativeImbalance = <Balances as Currency<AccountId>>::NegativeImbalance;

pub struct DealWithFees;
impl OnUnbalanced<NegativeImbalance> for DealWithFees {
	fn on_unbalanceds<B>(mut fees_then_tips: impl Iterator<Item = NegativeImbalance>) {
		if let Some(fees) = fees_then_tips.next() {
			// for fees, 80% to treasury, 20% to author
			let mut split = fees.ration(80, 20);
			if let Some(tips) = fees_then_tips.next() {
				// for tips, if any, 80% to treasury, 20% to author (though this can be anything)
				tips.ration_merge_into(80, 20, &mut split);
			}
			Treasury::on_unbalanced(split.0);
			Author::on_unbalanced(split.1);
		}
	}
}

/// We assume that ~10% 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(10);
/// We allow `Normal` extrinsics to fill up the block up to 75%, the rest can be used
/// by  Operational  extrinsics.
const NORMAL_DISPATCH_RATIO: Perbill = Perbill::from_percent(75);
/// We allow for 2 seconds of compute with a 6 second average block time.
const MAXIMUM_BLOCK_WEIGHT: Weight = 2 * WEIGHT_PER_SECOND;

parameter_types! {
	pub const BlockHashCount: BlockNumber = 2400;
	pub const Version: RuntimeVersion = VERSION;
	pub RuntimeBlockLength: BlockLength =
		BlockLength::max_with_normal_ratio(5 * 1024 * 1024, NORMAL_DISPATCH_RATIO);
	pub RuntimeBlockWeights: BlockWeights = BlockWeights::builder()
		.base_block(BlockExecutionWeight::get())
		.for_class(DispatchClass::all(), |weights| {
			weights.base_extrinsic = ExtrinsicBaseWeight::get();
		})
		.for_class(DispatchClass::Normal, |weights| {
			weights.max_total = Some(NORMAL_DISPATCH_RATIO * MAXIMUM_BLOCK_WEIGHT);
		})
		.for_class(DispatchClass::Operational, |weights| {
			weights.max_total = Some(MAXIMUM_BLOCK_WEIGHT);
			// Operational transactions have some extra reserved space, so that they
			// are included even if block reached `MAXIMUM_BLOCK_WEIGHT`.
			weights.reserved = Some(
				MAXIMUM_BLOCK_WEIGHT - NORMAL_DISPATCH_RATIO * MAXIMUM_BLOCK_WEIGHT
			);
		})
		.avg_block_initialization(AVERAGE_ON_INITIALIZE_RATIO)
		.build_or_panic();
}

const_assert!(NORMAL_DISPATCH_RATIO.deconstruct() >= AVERAGE_ON_INITIALIZE_RATIO.deconstruct());

impl frame_system::Config for Runtime {
	type BaseCallFilter = Everything;
	type BlockWeights = RuntimeBlockWeights;
	type BlockLength = RuntimeBlockLength;
	type DbWeight = RocksDbWeight;
	type Origin = Origin;
	type Call = Call;
	type Index = Index;
	type BlockNumber = BlockNumber;
	type Hash = Hash;
	type Hashing = BlakeTwo256;
	type AccountId = AccountId;
	type Lookup = Indices;
	type Header = generic::Header<BlockNumber, BlakeTwo256>;
	type Event = Event;
	type BlockHashCount = BlockHashCount;
	type Version = Version;
	type PalletInfo = PalletInfo;
	type AccountData = pallet_balances::AccountData<Balance>;
	type OnNewAccount = ();
	type OnKilledAccount = ();
	type SystemWeightInfo = frame_system::weights::SubstrateWeight<Runtime>;
	type SS58Prefix = ConstU16<42>;
	type OnSetCode = ();
	type MaxConsumers = ConstU32<16>;
}

impl pallet_randomness_collective_flip::Config for Runtime {}

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

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

impl pallet_multisig::Config for Runtime {
	type Event = Event;
	type Call = Call;
	type Currency = Balances;
	type DepositBase = DepositBase;
	type DepositFactor = DepositFactor;
	type MaxSignatories = ConstU16<100>;
	type WeightInfo = pallet_multisig::weights::SubstrateWeight<Runtime>;
}

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 AnnouncementDepositBase: Balance = deposit(1, 8);
	pub const AnnouncementDepositFactor: Balance = deposit(0, 66);
}

/// 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,
	Governance,
	Staking,
}
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::Balances(..) |
					Call::Assets(..) | Call::Uniques(..) |
					Call::Vesting(pallet_vesting::Call::vested_transfer { .. }) |
					Call::Indices(pallet_indices::Call::transfer { .. })
			),
			ProxyType::Governance => matches!(
				c,
				Call::Democracy(..) |
					Call::Council(..) | Call::Society(..) |
					Call::TechnicalCommittee(..) |
					Call::Elections(..) | Call::Treasury(..)
			),
			ProxyType::Staking => matches!(c, Call::Staking(..)),
		}
	}
	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 = ConstU32<32>;
	type WeightInfo = pallet_proxy::weights::SubstrateWeight<Runtime>;
	type MaxPending = ConstU32<32>;
	type CallHasher = BlakeTwo256;
	type AnnouncementDepositBase = AnnouncementDepositBase;
	type AnnouncementDepositFactor = AnnouncementDepositFactor;
}

parameter_types! {
	pub MaximumSchedulerWeight: Weight = Perbill::from_percent(80) *
		RuntimeBlockWeights::get().max_block;
	// Retry a scheduled item every 10 blocks (1 minute) until the preimage exists.
	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 = ConstU32<50>;
	type WeightInfo = pallet_scheduler::weights::SubstrateWeight<Runtime>;
	type OriginPrivilegeCmp = EqualPrivilegeOnly;
	type PreimageProvider = Preimage;
	type NoPreimagePostponement = NoPreimagePostponement;
}

parameter_types! {
	pub const PreimageMaxSize: u32 = 4096 * 1024;
	pub const PreimageBaseDeposit: Balance = 1 * DOLLARS;
	// One cent: $10,000 / MB
	pub const PreimageByteDeposit: Balance = 1 * CENTS;
}

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

parameter_types! {
	// NOTE: Currently it is not possible to change the epoch duration after the chain has started.
	//       Attempting to do so will brick block production.
	pub const EpochDuration: u64 = EPOCH_DURATION_IN_SLOTS;
	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;
	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 = 1 * DOLLARS;
}

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

parameter_types! {
	pub const ExistentialDeposit: Balance = 1 * DOLLARS;
	// For weight estimation, we assume that the most locks on an individual account will be 50.
	// This number may need to be adjusted in the future if this assumption no longer holds true.
	pub const MaxLocks: u32 = 50;
	pub const MaxReserves: u32 = 50;
}

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

parameter_types! {
	pub const TransactionByteFee: Balance = 10 * MILLICENTS;
	pub const OperationalFeeMultiplier: u8 = 5;
	pub const TargetBlockFullness: Perquintill = Perquintill::from_percent(25);
	pub AdjustmentVariable: Multiplier = Multiplier::saturating_from_rational(1, 100_000);
	pub MinimumMultiplier: Multiplier = Multiplier::saturating_from_rational(1, 1_000_000_000u128);
}

impl pallet_transaction_payment::Config for Runtime {
	type OnChargeTransaction = CurrencyAdapter<Balances, DealWithFees>;
	type OperationalFeeMultiplier = OperationalFeeMultiplier;
	type WeightToFee = IdentityFee<Balance>;
	type LengthToFee = ConstantMultiplier<Balance, TransactionByteFee>;
	type FeeMultiplierUpdate =
		TargetedFeeAdjustment<Self, TargetBlockFullness, AdjustmentVariable, MinimumMultiplier>;
}

impl pallet_asset_tx_payment::Config for Runtime {
	type Fungibles = Assets;
	type OnChargeAssetTransaction = pallet_asset_tx_payment::FungiblesAdapter<
		pallet_assets::BalanceToAssetBalance<Balances, Runtime, ConvertInto>,
		CreditToBlockAuthor,
	>;
}

parameter_types! {
	pub const MinimumPeriod: Moment = SLOT_DURATION / 2;
}

impl pallet_timestamp::Config for Runtime {
	type Moment = Moment;
	type OnTimestampSet = Babe;
	type MinimumPeriod = MinimumPeriod;
	type WeightInfo = pallet_timestamp::weights::SubstrateWeight<Runtime>;
}

parameter_types! {
	pub const UncleGenerations: BlockNumber = 5;
}

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

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

impl pallet_session::Config for Runtime {
	type Event = Event;
	type ValidatorId = <Self as frame_system::Config>::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 = pallet_session::weights::SubstrateWeight<Runtime>;
}

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

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! {
	pub const SessionsPerEra: sp_staking::SessionIndex = 6;
	pub const BondingDuration: sp_staking::EraIndex = 24 * 28;
	pub const SlashDeferDuration: sp_staking::EraIndex = 24 * 7; // 1/4 the bonding duration.
	pub const RewardCurve: &'static PiecewiseLinear<'static> = &REWARD_CURVE;
	pub const MaxNominatorRewardedPerValidator: u32 = 256;
	pub const OffendingValidatorsThreshold: Perbill = Perbill::from_percent(17);
	pub OffchainRepeat: BlockNumber = 5;
}

pub struct StakingBenchmarkingConfig;
impl pallet_staking::BenchmarkingConfig for StakingBenchmarkingConfig {
	type MaxNominators = ConstU32<1000>;
	type MaxValidators = ConstU32<1000>;
}

impl pallet_staking::Config for Runtime {
	type MaxNominations = MaxNominations;
	type Currency = Balances;
	type CurrencyBalance = Balance;
	type UnixTime = Timestamp;
	type CurrencyToVote = U128CurrencyToVote;
	type RewardRemainder = Treasury;
	type Event = Event;
	type Slash = Treasury; // send the slashed funds to the treasury.
	type Reward = (); // rewards are minted from the void
	type SessionsPerEra = SessionsPerEra;
	type BondingDuration = BondingDuration;
	type SlashDeferDuration = SlashDeferDuration;
	/// A super-majority of the council can cancel the slash.
	type SlashCancelOrigin = EitherOfDiverse<
		EnsureRoot<AccountId>,
		pallet_collective::EnsureProportionAtLeast<AccountId, CouncilCollective, 3, 4>,
	>;
	type SessionInterface = Self;
	type EraPayout = pallet_staking::ConvertCurve<RewardCurve>;
	type NextNewSession = Session;
	type MaxNominatorRewardedPerValidator = MaxNominatorRewardedPerValidator;
	type OffendingValidatorsThreshold = OffendingValidatorsThreshold;
	type ElectionProvider = ElectionProviderMultiPhase;
	type GenesisElectionProvider = onchain::UnboundedExecution<OnChainSeqPhragmen>;
	type VoterList = BagsList;
	type MaxUnlockingChunks = ConstU32<32>;
	type OnStakerSlash = NominationPools;
	type WeightInfo = pallet_staking::weights::SubstrateWeight<Runtime>;
	type BenchmarkingConfig = StakingBenchmarkingConfig;
}

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

	// signed config
	pub const SignedRewardBase: Balance = 1 * DOLLARS;
	pub const SignedDepositBase: Balance = 1 * DOLLARS;
	pub const SignedDepositByte: Balance = 1 * CENTS;

	pub BetterUnsignedThreshold: Perbill = Perbill::from_rational(1u32, 10_000);

	// miner configs
	pub const MultiPhaseUnsignedPriority: TransactionPriority = StakingUnsignedPriority::get() - 1u64;
	pub MinerMaxWeight: Weight = RuntimeBlockWeights::get()
		.get(DispatchClass::Normal)
		.max_extrinsic.expect("Normal extrinsics have a weight limit configured; qed")
		.saturating_sub(BlockExecutionWeight::get());
	// Solution can occupy 90% of normal block size
	pub MinerMaxLength: u32 = Perbill::from_rational(9u32, 10) *
		*RuntimeBlockLength::get()
		.max
		.get(DispatchClass::Normal);
}

frame_election_provider_support::generate_solution_type!(
	#[compact]
	pub struct NposSolution16::<
		VoterIndex = u32,
		TargetIndex = u16,
		Accuracy = sp_runtime::PerU16,
		MaxVoters = MaxElectingVoters,
	>(16)
);

parameter_types! {
	pub MaxNominations: u32 = <NposSolution16 as frame_election_provider_support::NposSolution>::LIMIT as u32;
	pub MaxElectingVoters: u32 = 10_000;
}

/// The numbers configured here could always be more than the the maximum limits of staking pallet
/// to ensure election snapshot will not run out of memory. For now, we set them to smaller values
/// since the staking is bounded and the weight pipeline takes hours for this single pallet.
pub struct ElectionProviderBenchmarkConfig;
impl pallet_election_provider_multi_phase::BenchmarkingConfig for ElectionProviderBenchmarkConfig {
	const VOTERS: [u32; 2] = [1000, 2000];
	const TARGETS: [u32; 2] = [500, 1000];
	const ACTIVE_VOTERS: [u32; 2] = [500, 800];
	const DESIRED_TARGETS: [u32; 2] = [200, 400];
	const SNAPSHOT_MAXIMUM_VOTERS: u32 = 1000;
	const MINER_MAXIMUM_VOTERS: u32 = 1000;
	const MAXIMUM_TARGETS: u32 = 300;
}

/// Maximum number of iterations for balancing that will be executed in the embedded OCW
/// miner of election provider multi phase.
pub const MINER_MAX_ITERATIONS: u32 = 10;

/// A source of random balance for NposSolver, which is meant to be run by the OCW election miner.
pub struct OffchainRandomBalancing;
impl Get<Option<(usize, ExtendedBalance)>> for OffchainRandomBalancing {
	fn get() -> Option<(usize, ExtendedBalance)> {
		use sp_runtime::traits::TrailingZeroInput;
		let iters = match MINER_MAX_ITERATIONS {
			0 => 0,
			max => {
				let seed = sp_io::offchain::random_seed();
				let random = <u32>::decode(&mut TrailingZeroInput::new(&seed))
					.expect("input is padded with zeroes; qed") %
					max.saturating_add(1);
				random as usize
			},
		};

		Some((iters, 0))
	}
}

pub struct OnChainSeqPhragmen;
impl onchain::Config for OnChainSeqPhragmen {
	type System = Runtime;
	type Solver = SequentialPhragmen<
		AccountId,
		pallet_election_provider_multi_phase::SolutionAccuracyOf<Runtime>,
	>;
	type DataProvider = <Runtime as pallet_election_provider_multi_phase::Config>::DataProvider;
	type WeightInfo = frame_election_provider_support::weights::SubstrateWeight<Runtime>;
}

impl onchain::BoundedConfig for OnChainSeqPhragmen {
	type VotersBound = MaxElectingVoters;
	type TargetsBound = ConstU32<2_000>;
}

impl pallet_election_provider_multi_phase::MinerConfig for Runtime {
	type AccountId = AccountId;
	type MaxLength = MinerMaxLength;
	type MaxWeight = MinerMaxWeight;
	type Solution = NposSolution16;
	type MaxVotesPerVoter =
	<<Self as pallet_election_provider_multi_phase::Config>::DataProvider as ElectionDataProvider>::MaxVotesPerVoter;

	// The unsigned submissions have to respect the weight of the submit_unsigned call, thus their
	// weight estimate function is wired to this call's weight.
	fn solution_weight(v: u32, t: u32, a: u32, d: u32) -> Weight {
		<
			<Self as pallet_election_provider_multi_phase::Config>::WeightInfo
			as
			pallet_election_provider_multi_phase::WeightInfo
		>::submit_unsigned(v, t, a, d)
	}
}

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 BetterUnsignedThreshold = BetterUnsignedThreshold;
	type BetterSignedThreshold = ();
	type OffchainRepeat = OffchainRepeat;
	type MinerTxPriority = MultiPhaseUnsignedPriority;
	type MinerConfig = Self;
	type SignedMaxSubmissions = ConstU32<10>;
	type SignedRewardBase = SignedRewardBase;
	type SignedDepositBase = SignedDepositBase;
	type SignedDepositByte = SignedDepositByte;
	type SignedMaxRefunds = ConstU32<3>;
	type SignedDepositWeight = ();
	type SignedMaxWeight = MinerMaxWeight;
	type SlashHandler = (); // burn slashes
	type RewardHandler = (); // nothing to do upon rewards
	type DataProvider = Staking;
	type Fallback = onchain::BoundedExecution<OnChainSeqPhragmen>;
	type GovernanceFallback = onchain::BoundedExecution<OnChainSeqPhragmen>;
	type Solver = SequentialPhragmen<AccountId, SolutionAccuracyOf<Self>, OffchainRandomBalancing>;
	type ForceOrigin = EnsureRootOrHalfCouncil;
	type MaxElectableTargets = ConstU16<{ u16::MAX }>;
	type MaxElectingVoters = MaxElectingVoters;
	type BenchmarkingConfig = ElectionProviderBenchmarkConfig;
	type WeightInfo = pallet_election_provider_multi_phase::weights::SubstrateWeight<Self>;
}

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

impl pallet_bags_list::Config for Runtime {
	type Event = Event;
	type ScoreProvider = Staking;
	type WeightInfo = pallet_bags_list::weights::SubstrateWeight<Runtime>;
	type BagThresholds = BagThresholds;
	type Score = VoteWeight;
}

parameter_types! {
	pub const PostUnbondPoolsWindow: u32 = 4;
	pub const NominationPoolsPalletId: PalletId = PalletId(*b"py/nopls");
	pub const MinPointsToBalance: u32 = 10;
}

use sp_runtime::traits::Convert;
pub struct BalanceToU256;
impl Convert<Balance, sp_core::U256> for BalanceToU256 {
	fn convert(balance: Balance) -> sp_core::U256 {
		sp_core::U256::from(balance)
	}
}
pub struct U256ToBalance;
impl Convert<sp_core::U256, Balance> for U256ToBalance {
	fn convert(n: sp_core::U256) -> Balance {
		n.try_into().unwrap_or(Balance::max_value())
	}
}

impl pallet_nomination_pools::Config for Runtime {
	type WeightInfo = ();
	type Event = Event;
	type Currency = Balances;
	type BalanceToU256 = BalanceToU256;
	type U256ToBalance = U256ToBalance;
	type StakingInterface = pallet_staking::Pallet<Self>;
	type PostUnbondingPoolsWindow = PostUnbondPoolsWindow;
	type MaxMetadataLen = ConstU32<256>;
	type MaxUnbonding = ConstU32<8>;
	type PalletId = NominationPoolsPalletId;
	type MinPointsToBalance = MinPointsToBalance;
}

parameter_types! {
	pub const VoteLockingPeriod: BlockNumber = 30 * DAYS;
}

impl pallet_conviction_voting::Config for Runtime {
	type WeightInfo = pallet_conviction_voting::weights::SubstrateWeight<Self>;
	type Event = Event;
	type Currency = Balances;
	type VoteLockingPeriod = VoteLockingPeriod;
	type MaxVotes = ConstU32<512>;
	type MaxTurnout = frame_support::traits::TotalIssuanceOf<Balances, Self::AccountId>;
	type Polls = Referenda;
}

parameter_types! {
	pub const AlarmInterval: BlockNumber = 1;
	pub const SubmissionDeposit: Balance = 100 * DOLLARS;
	pub const UndecidingTimeout: BlockNumber = 28 * DAYS;
}

pub struct TracksInfo;
impl pallet_referenda::TracksInfo<Balance, BlockNumber> for TracksInfo {
	type Id = u8;
	type Origin = <Origin as frame_support::traits::OriginTrait>::PalletsOrigin;
	fn tracks() -> &'static [(Self::Id, pallet_referenda::TrackInfo<Balance, BlockNumber>)] {
		static DATA: [(u8, pallet_referenda::TrackInfo<Balance, BlockNumber>); 1] = [(
			0u8,
			pallet_referenda::TrackInfo {
				name: "root",
				max_deciding: 1,
				decision_deposit: 10,
				prepare_period: 4,
				decision_period: 4,
				confirm_period: 2,
				min_enactment_period: 4,
				min_approval: pallet_referenda::Curve::LinearDecreasing {
					length: Perbill::from_percent(100),
					floor: Perbill::from_percent(50),
					ceil: Perbill::from_percent(100),
				},
				min_support: pallet_referenda::Curve::LinearDecreasing {
					length: Perbill::from_percent(100),
					floor: Perbill::from_percent(0),
					ceil: Perbill::from_percent(100),
				},
			},
		)];
		&DATA[..]
	}
	fn track_for(id: &Self::Origin) -> Result<Self::Id, ()> {
		if let Ok(system_origin) = frame_system::RawOrigin::try_from(id.clone()) {
			match system_origin {
				frame_system::RawOrigin::Root => Ok(0),
				_ => Err(()),
			}
		} else {
			Err(())
		}
	}
}

impl pallet_referenda::Config for Runtime {
	type WeightInfo = pallet_referenda::weights::SubstrateWeight<Self>;
	type Call = Call;
	type Event = Event;
	type Scheduler = Scheduler;
	type Currency = pallet_balances::Pallet<Self>;
	type CancelOrigin = EnsureRoot<AccountId>;
	type KillOrigin = EnsureRoot<AccountId>;
	type Slash = ();
	type Votes = pallet_conviction_voting::VotesOf<Runtime>;
	type Tally = pallet_conviction_voting::TallyOf<Runtime>;
	type SubmissionDeposit = SubmissionDeposit;
	type MaxQueued = ConstU32<100>;
	type UndecidingTimeout = UndecidingTimeout;
	type AlarmInterval = AlarmInterval;
	type Tracks = TracksInfo;
}

impl pallet_remark::Config for Runtime {
	type WeightInfo = pallet_remark::weights::SubstrateWeight<Self>;
	type Event = Event;
}

parameter_types! {
	pub const LaunchPeriod: BlockNumber = 28 * 24 * 60 * MINUTES;
	pub const VotingPeriod: BlockNumber = 28 * 24 * 60 * MINUTES;
	pub const FastTrackVotingPeriod: BlockNumber = 3 * 24 * 60 * MINUTES;
	pub const MinimumDeposit: Balance = 100 * DOLLARS;
	pub const EnactmentPeriod: BlockNumber = 30 * 24 * 60 * MINUTES;
	pub const CooloffPeriod: BlockNumber = 28 * 24 * 60 * MINUTES;
	pub const MaxProposals: u32 = 100;
}

impl pallet_democracy::Config for Runtime {
	type Proposal = Call;
	type Event = Event;
	type Currency = Balances;
	type EnactmentPeriod = EnactmentPeriod;
	type LaunchPeriod = LaunchPeriod;
	type VotingPeriod = VotingPeriod;
	type VoteLockingPeriod = EnactmentPeriod; // Same as EnactmentPeriod
	type MinimumDeposit = MinimumDeposit;
	/// A straight majority of the council can decide what their next motion is.
	type ExternalOrigin =
		pallet_collective::EnsureProportionAtLeast<AccountId, CouncilCollective, 1, 2>;
	/// A super-majority can have the next scheduled referendum be a straight majority-carries vote.
	type ExternalMajorityOrigin =
		pallet_collective::EnsureProportionAtLeast<AccountId, CouncilCollective, 3, 4>;
	/// A unanimous council can have the next scheduled referendum be a straight default-carries
	/// (NTB) vote.
	type ExternalDefaultOrigin =
		pallet_collective::EnsureProportionAtLeast<AccountId, CouncilCollective, 1, 1>;
	/// Two thirds of the technical committee can have an ExternalMajority/ExternalDefault vote
	/// be tabled immediately and with a shorter voting/enactment period.
	type FastTrackOrigin =
		pallet_collective::EnsureProportionAtLeast<AccountId, TechnicalCollective, 2, 3>;
	type InstantOrigin =
		pallet_collective::EnsureProportionAtLeast<AccountId, TechnicalCollective, 1, 1>;
	type InstantAllowed = frame_support::traits::ConstBool<true>;
	type FastTrackVotingPeriod = FastTrackVotingPeriod;
	// To cancel a proposal which has been passed, 2/3 of the council must agree to it.
	type CancellationOrigin =
		pallet_collective::EnsureProportionAtLeast<AccountId, CouncilCollective, 2, 3>;
	// To cancel a proposal before it has been passed, the technical committee must be unanimous or
	// Root must agree.
	type CancelProposalOrigin = EitherOfDiverse<
		EnsureRoot<AccountId>,
		pallet_collective::EnsureProportionAtLeast<AccountId, TechnicalCollective, 1, 1>,
	>;
	type BlacklistOrigin = EnsureRoot<AccountId>;
	// Any single technical committee member may veto a coming council proposal, however they can
	// only do it once and it lasts only for the cool-off period.
	type VetoOrigin = pallet_collective::EnsureMember<AccountId, TechnicalCollective>;
	type CooloffPeriod = CooloffPeriod;
	type PreimageByteDeposit = PreimageByteDeposit;
	type OperationalPreimageOrigin = pallet_collective::EnsureMember<AccountId, CouncilCollective>;
	type Slash = Treasury;
	type Scheduler = Scheduler;
	type PalletsOrigin = OriginCaller;
	type MaxVotes = ConstU32<100>;
	type WeightInfo = pallet_democracy::weights::SubstrateWeight<Runtime>;
	type MaxProposals = MaxProposals;
}

parameter_types! {
	pub const CouncilMotionDuration: BlockNumber = 5 * DAYS;
	pub const CouncilMaxProposals: u32 = 100;
	pub const CouncilMaxMembers: u32 = 100;
}

type CouncilCollective = pallet_collective::Instance1;
impl pallet_collective::Config<CouncilCollective> for Runtime {
	type Origin = Origin;
	type Proposal = Call;
	type Event = Event;
	type MotionDuration = CouncilMotionDuration;
	type MaxProposals = CouncilMaxProposals;
	type MaxMembers = CouncilMaxMembers;
	type DefaultVote = pallet_collective::PrimeDefaultVote;
	type WeightInfo = pallet_collective::weights::SubstrateWeight<Runtime>;
}

parameter_types! {
	pub const CandidacyBond: Balance = 10 * DOLLARS;
	// 1 storage item created, key size is 32 bytes, value size is 16+16.
	pub const VotingBondBase: Balance = deposit(1, 64);
	// additional data per vote is 32 bytes (account id).
	pub const VotingBondFactor: Balance = deposit(0, 32);
	pub const TermDuration: BlockNumber = 7 * DAYS;
	pub const DesiredMembers: u32 = 13;
	pub const DesiredRunnersUp: u32 = 7;
	pub const ElectionsPhragmenPalletId: LockIdentifier = *b"phrelect";
}

// Make sure that there are no more than `MaxMembers` members elected via elections-phragmen.
const_assert!(DesiredMembers::get() <= CouncilMaxMembers::get());

impl pallet_elections_phragmen::Config for Runtime {
	type Event = Event;
	type PalletId = ElectionsPhragmenPalletId;
	type Currency = Balances;
	type ChangeMembers = Council;
	// NOTE: this implies that council's genesis members cannot be set directly and must come from
	// this module.
	type InitializeMembers = Council;
	type CurrencyToVote = U128CurrencyToVote;
	type CandidacyBond = CandidacyBond;
	type VotingBondBase = VotingBondBase;
	type VotingBondFactor = VotingBondFactor;
	type LoserCandidate = ();
	type KickedMember = ();
	type DesiredMembers = DesiredMembers;
	type DesiredRunnersUp = DesiredRunnersUp;
	type TermDuration = TermDuration;
	type WeightInfo = pallet_elections_phragmen::weights::SubstrateWeight<Runtime>;
}

parameter_types! {
	pub const TechnicalMotionDuration: BlockNumber = 5 * DAYS;
	pub const TechnicalMaxProposals: u32 = 100;
	pub const TechnicalMaxMembers: u32 = 100;
}

type TechnicalCollective = pallet_collective::Instance2;
impl pallet_collective::Config<TechnicalCollective> for Runtime {
	type Origin = Origin;
	type Proposal = Call;
	type Event = Event;
	type MotionDuration = TechnicalMotionDuration;
	type MaxProposals = TechnicalMaxProposals;
	type MaxMembers = TechnicalMaxMembers;
	type DefaultVote = pallet_collective::PrimeDefaultVote;
	type WeightInfo = pallet_collective::weights::SubstrateWeight<Runtime>;
}

type EnsureRootOrHalfCouncil = EitherOfDiverse<
	EnsureRoot<AccountId>,
	pallet_collective::EnsureProportionMoreThan<AccountId, CouncilCollective, 1, 2>,
>;
impl pallet_membership::Config<pallet_membership::Instance1> for Runtime {
	type Event = Event;
	type AddOrigin = EnsureRootOrHalfCouncil;
	type RemoveOrigin = EnsureRootOrHalfCouncil;
	type SwapOrigin = EnsureRootOrHalfCouncil;
	type ResetOrigin = EnsureRootOrHalfCouncil;
	type PrimeOrigin = EnsureRootOrHalfCouncil;
	type MembershipInitialized = TechnicalCommittee;
	type MembershipChanged = TechnicalCommittee;
	type MaxMembers = TechnicalMaxMembers;
	type WeightInfo = pallet_membership::weights::SubstrateWeight<Runtime>;
}

parameter_types! {
	pub const ProposalBond: Permill = Permill::from_percent(5);
	pub const ProposalBondMinimum: Balance = 1 * DOLLARS;
	pub const SpendPeriod: BlockNumber = 1 * DAYS;
	pub const Burn: Permill = Permill::from_percent(50);
	pub const TipCountdown: BlockNumber = 1 * DAYS;
	pub const TipFindersFee: Percent = Percent::from_percent(20);
	pub const TipReportDepositBase: Balance = 1 * DOLLARS;
	pub const DataDepositPerByte: Balance = 1 * CENTS;
	pub const TreasuryPalletId: PalletId = PalletId(*b"py/trsry");
	pub const MaximumReasonLength: u32 = 300;
	pub const MaxApprovals: u32 = 100;
}

impl pallet_treasury::Config for Runtime {
	type PalletId = TreasuryPalletId;
	type Currency = Balances;
	type ApproveOrigin = EitherOfDiverse<
		EnsureRoot<AccountId>,
		pallet_collective::EnsureProportionAtLeast<AccountId, CouncilCollective, 3, 5>,
	>;
	type RejectOrigin = EitherOfDiverse<
		EnsureRoot<AccountId>,
		pallet_collective::EnsureProportionMoreThan<AccountId, CouncilCollective, 1, 2>,
	>;
	type Event = Event;
	type OnSlash = ();
	type ProposalBond = ProposalBond;
	type ProposalBondMinimum = ProposalBondMinimum;
	type ProposalBondMaximum = ();
	type SpendPeriod = SpendPeriod;
	type Burn = Burn;
	type BurnDestination = ();
	type SpendFunds = Bounties;
	type WeightInfo = pallet_treasury::weights::SubstrateWeight<Runtime>;
	type MaxApprovals = MaxApprovals;
	type SpendOrigin = frame_support::traits::NeverEnsureOrigin<u128>;
}

parameter_types! {
	pub const BountyCuratorDeposit: Permill = Permill::from_percent(50);
	pub const BountyValueMinimum: Balance = 5 * DOLLARS;
	pub const BountyDepositBase: Balance = 1 * DOLLARS;
	pub const CuratorDepositMultiplier: Permill = Permill::from_percent(50);
	pub const CuratorDepositMin: Balance = 1 * DOLLARS;
	pub const CuratorDepositMax: Balance = 100 * DOLLARS;
	pub const BountyDepositPayoutDelay: BlockNumber = 1 * DAYS;
	pub const BountyUpdatePeriod: BlockNumber = 14 * DAYS;
}

impl pallet_bounties::Config for Runtime {
	type Event = Event;
	type BountyDepositBase = BountyDepositBase;
	type BountyDepositPayoutDelay = BountyDepositPayoutDelay;
	type BountyUpdatePeriod = BountyUpdatePeriod;
	type CuratorDepositMultiplier = CuratorDepositMultiplier;
	type CuratorDepositMin = CuratorDepositMin;
	type CuratorDepositMax = CuratorDepositMax;
	type BountyValueMinimum = BountyValueMinimum;
	type DataDepositPerByte = DataDepositPerByte;
	type MaximumReasonLength = MaximumReasonLength;
	type WeightInfo = pallet_bounties::weights::SubstrateWeight<Runtime>;
	type ChildBountyManager = ChildBounties;
}

parameter_types! {
	pub const ChildBountyValueMinimum: Balance = 1 * DOLLARS;
}

impl pallet_child_bounties::Config for Runtime {
	type Event = Event;
	type MaxActiveChildBountyCount = ConstU32<5>;
	type ChildBountyValueMinimum = ChildBountyValueMinimum;
	type WeightInfo = pallet_child_bounties::weights::SubstrateWeight<Runtime>;
}

impl pallet_tips::Config for Runtime {
	type Event = Event;
	type DataDepositPerByte = DataDepositPerByte;
	type MaximumReasonLength = MaximumReasonLength;
	type Tippers = Elections;
	type TipCountdown = TipCountdown;
	type TipFindersFee = TipFindersFee;
	type TipReportDepositBase = TipReportDepositBase;
	type WeightInfo = pallet_tips::weights::SubstrateWeight<Runtime>;
}

parameter_types! {
	pub const DepositPerItem: Balance = deposit(1, 0);
	pub const DepositPerByte: Balance = deposit(0, 1);
	pub const MaxValueSize: u32 = 16 * 1024;
	// The lazy deletion runs inside on_initialize.
	pub DeletionWeightLimit: Weight = RuntimeBlockWeights::get()
		.per_class
		.get(DispatchClass::Normal)
		.max_total
		.unwrap_or(RuntimeBlockWeights::get().max_block);
	// The weight needed for decoding the queue should be less or equal than a fifth
	// of the overall weight dedicated to the lazy deletion.
	pub DeletionQueueDepth: u32 = ((DeletionWeightLimit::get() / (
			<Runtime as pallet_contracts::Config>::WeightInfo::on_initialize_per_queue_item(1) -
			<Runtime as pallet_contracts::Config>::WeightInfo::on_initialize_per_queue_item(0)
		)) / 5) as u32;
	pub Schedule: pallet_contracts::Schedule<Runtime> = Default::default();
}

impl pallet_contracts::Config for Runtime {
	type Time = Timestamp;
	type Randomness = RandomnessCollectiveFlip;
	type Currency = Balances;
	type Event = Event;
	type Call = Call;
	/// The safest default is to allow no calls at all.
	///
	/// Runtimes should whitelist dispatchables that are allowed to be called from contracts
	/// and make sure they are stable. Dispatchables exposed to contracts are not allowed to
	/// change because that would break already deployed contracts. The `Call` structure itself
	/// is not allowed to change the indices of existing pallets, too.
	type CallFilter = Nothing;
	type DepositPerItem = DepositPerItem;
	type DepositPerByte = DepositPerByte;
	type CallStack = [pallet_contracts::Frame<Self>; 31];
	type WeightPrice = pallet_transaction_payment::Pallet<Self>;
	type WeightInfo = pallet_contracts::weights::SubstrateWeight<Self>;
	type ChainExtension = ();
	type DeletionQueueDepth = DeletionQueueDepth;
	type DeletionWeightLimit = DeletionWeightLimit;
	type Schedule = Schedule;
	type AddressGenerator = pallet_contracts::DefaultAddressGenerator;
	type ContractAccessWeight = pallet_contracts::DefaultContractAccessWeight<RuntimeBlockWeights>;
	type MaxCodeLen = ConstU32<{ 128 * 1024 }>;
	type RelaxedMaxCodeLen = ConstU32<{ 256 * 1024 }>;
}

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

parameter_types! {
	pub const ImOnlineUnsignedPriority: TransactionPriority = TransactionPriority::max_value();
	/// We prioritize im-online heartbeats over election solution submission.
	pub const StakingUnsignedPriority: TransactionPriority = TransactionPriority::max_value() / 2;
	pub const MaxAuthorities: u32 = 100;
	pub const MaxKeys: u32 = 10_000;
	pub const MaxPeerInHeartbeats: u32 = 10_000;
	pub const MaxPeerDataEncodingSize: u32 = 1_000;
}

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 traits::Verify>::Signer,
		account: AccountId,
		nonce: Index,
	) -> Option<(Call, <UncheckedExtrinsic as traits::Extrinsic>::SignaturePayload)> {
		let tip = 0;
		// 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 era = Era::mortal(period, current_block);
		let extra = (
			frame_system::CheckNonZeroSender::<Runtime>::new(),
			frame_system::CheckSpecVersion::<Runtime>::new(),
			frame_system::CheckTxVersion::<Runtime>::new(),
			frame_system::CheckGenesis::<Runtime>::new(),
			frame_system::CheckEra::<Runtime>::from(era),
			frame_system::CheckNonce::<Runtime>::from(nonce),
			frame_system::CheckWeight::<Runtime>::new(),
			pallet_asset_tx_payment::ChargeAssetTxPayment::<Runtime>::from(tip, None),
		);
		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 address = Indices::unlookup(account);
		let (call, extra, _) = raw_payload.deconstruct();
		Some((call, (address, signature, extra)))
	}
}

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

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

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

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;
}

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;
}

parameter_types! {
	pub const BasicDeposit: Balance = 10 * DOLLARS;       // 258 bytes on-chain
	pub const FieldDeposit: Balance = 250 * CENTS;        // 66 bytes on-chain
	pub const SubAccountDeposit: Balance = 2 * DOLLARS;   // 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 BasicDeposit = BasicDeposit;
	type FieldDeposit = FieldDeposit;
	type SubAccountDeposit = SubAccountDeposit;
	type MaxSubAccounts = MaxSubAccounts;
	type MaxAdditionalFields = MaxAdditionalFields;
	type MaxRegistrars = MaxRegistrars;
	type Slashed = Treasury;
	type ForceOrigin = EnsureRootOrHalfCouncil;
	type RegistrarOrigin = EnsureRootOrHalfCouncil;
	type WeightInfo = pallet_identity::weights::SubstrateWeight<Runtime>;
}

parameter_types! {
	pub const ConfigDepositBase: Balance = 5 * DOLLARS;
	pub const FriendDepositFactor: Balance = 50 * CENTS;
	pub const MaxFriends: u16 = 9;
	pub const RecoveryDeposit: Balance = 5 * DOLLARS;
}

impl pallet_recovery::Config for Runtime {
	type Event = Event;
	type WeightInfo = pallet_recovery::weights::SubstrateWeight<Runtime>;
	type Call = Call;
	type Currency = Balances;
	type ConfigDepositBase = ConfigDepositBase;
	type FriendDepositFactor = FriendDepositFactor;
	type MaxFriends = MaxFriends;
	type RecoveryDeposit = RecoveryDeposit;
}

parameter_types! {
	pub const CandidateDeposit: Balance = 10 * DOLLARS;
	pub const WrongSideDeduction: Balance = 2 * DOLLARS;
	pub const MaxStrikes: u32 = 10;
	pub const RotationPeriod: BlockNumber = 80 * HOURS;
	pub const PeriodSpend: Balance = 500 * DOLLARS;
	pub const MaxLockDuration: BlockNumber = 36 * 30 * DAYS;
	pub const ChallengePeriod: BlockNumber = 7 * DAYS;
	pub const MaxCandidateIntake: u32 = 10;
	pub const SocietyPalletId: PalletId = PalletId(*b"py/socie");
}

impl pallet_society::Config for Runtime {
	type Event = Event;
	type PalletId = SocietyPalletId;
	type Currency = Balances;
	type Randomness = RandomnessCollectiveFlip;
	type CandidateDeposit = CandidateDeposit;
	type WrongSideDeduction = WrongSideDeduction;
	type MaxStrikes = MaxStrikes;
	type PeriodSpend = PeriodSpend;
	type MembershipChanged = ();
	type RotationPeriod = RotationPeriod;
	type MaxLockDuration = MaxLockDuration;
	type FounderSetOrigin =
		pallet_collective::EnsureProportionMoreThan<AccountId, CouncilCollective, 1, 2>;
	type SuspensionJudgementOrigin = pallet_society::EnsureFounder<Runtime>;
	type MaxCandidateIntake = MaxCandidateIntake;
	type ChallengePeriod = ChallengePeriod;
}

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

impl pallet_vesting::Config for Runtime {
	type Event = Event;
	type Currency = Balances;
	type BlockNumberToBalance = ConvertInto;
	type MinVestedTransfer = MinVestedTransfer;
	type WeightInfo = pallet_vesting::weights::SubstrateWeight<Runtime>;
	// `VestingInfo` encode length is 36bytes. 28 schedules gets encoded as 1009 bytes, which is the
	// highest number of schedules that encodes less than 2^10.
	const MAX_VESTING_SCHEDULES: u32 = 28;
}

impl pallet_mmr::Config for Runtime {
	const INDEXING_PREFIX: &'static [u8] = b"mmr";
	type Hashing = <Runtime as frame_system::Config>::Hashing;
	type Hash = <Runtime as frame_system::Config>::Hash;
	type LeafData = pallet_mmr::ParentNumberAndHash<Self>;
	type OnNewRoot = ();
	type WeightInfo = ();
}

parameter_types! {
	pub const LotteryPalletId: PalletId = PalletId(*b"py/lotto");
	pub const MaxCalls: u32 = 10;
	pub const MaxGenerateRandom: u32 = 10;
}

impl pallet_lottery::Config for Runtime {
	type PalletId = LotteryPalletId;
	type Call = Call;
	type Currency = Balances;
	type Randomness = RandomnessCollectiveFlip;
	type Event = Event;
	type ManagerOrigin = EnsureRoot<AccountId>;
	type MaxCalls = MaxCalls;
	type ValidateCall = Lottery;
	type MaxGenerateRandom = MaxGenerateRandom;
	type WeightInfo = pallet_lottery::weights::SubstrateWeight<Runtime>;
}

parameter_types! {
	pub const AssetDeposit: Balance = 100 * DOLLARS;
	pub const ApprovalDeposit: Balance = 1 * DOLLARS;
	pub const StringLimit: u32 = 50;
	pub const MetadataDepositBase: Balance = 10 * DOLLARS;
	pub const MetadataDepositPerByte: Balance = 1 * DOLLARS;
}

impl pallet_assets::Config for Runtime {
	type Event = Event;
	type Balance = u128;
	type AssetId = u32;
	type Currency = Balances;
	type ForceOrigin = EnsureRoot<AccountId>;
	type AssetDeposit = AssetDeposit;
	type AssetAccountDeposit = ConstU128<DOLLARS>;
	type MetadataDepositBase = MetadataDepositBase;
	type MetadataDepositPerByte = MetadataDepositPerByte;
	type ApprovalDeposit = ApprovalDeposit;
	type StringLimit = StringLimit;
	type Freezer = ();
	type Extra = ();
	type WeightInfo = pallet_assets::weights::SubstrateWeight<Runtime>;
}

parameter_types! {
	pub IgnoredIssuance: Balance = Treasury::pot();
	pub const QueueCount: u32 = 300;
	pub const MaxQueueLen: u32 = 1000;
	pub const FifoQueueLen: u32 = 500;
	pub const Period: BlockNumber = 30 * DAYS;
	pub const MinFreeze: Balance = 100 * DOLLARS;
	pub const IntakePeriod: BlockNumber = 10;
	pub const MaxIntakeBids: u32 = 10;
}

impl pallet_gilt::Config for Runtime {
	type Event = Event;
	type Currency = Balances;
	type CurrencyBalance = Balance;
	type AdminOrigin = frame_system::EnsureRoot<AccountId>;
	type Deficit = ();
	type Surplus = ();
	type IgnoredIssuance = IgnoredIssuance;
	type QueueCount = QueueCount;
	type MaxQueueLen = MaxQueueLen;
	type FifoQueueLen = FifoQueueLen;
	type Period = Period;
	type MinFreeze = MinFreeze;
	type IntakePeriod = IntakePeriod;
	type MaxIntakeBids = MaxIntakeBids;
	type WeightInfo = pallet_gilt::weights::SubstrateWeight<Runtime>;
}

parameter_types! {
	pub const CollectionDeposit: Balance = 100 * DOLLARS;
	pub const ItemDeposit: Balance = 1 * DOLLARS;
	pub const KeyLimit: u32 = 32;
	pub const ValueLimit: u32 = 256;
}

impl pallet_uniques::Config for Runtime {
	type Event = Event;
	type CollectionId = u32;
	type ItemId = u32;
	type Currency = Balances;
	type ForceOrigin = frame_system::EnsureRoot<AccountId>;
	type CollectionDeposit = CollectionDeposit;
	type ItemDeposit = ItemDeposit;
	type MetadataDepositBase = MetadataDepositBase;
	type AttributeDepositBase = MetadataDepositBase;
	type DepositPerByte = MetadataDepositPerByte;
	type StringLimit = StringLimit;
	type KeyLimit = KeyLimit;
	type ValueLimit = ValueLimit;
	type WeightInfo = pallet_uniques::weights::SubstrateWeight<Runtime>;
	#[cfg(feature = "runtime-benchmarks")]
	type Helper = ();
	type CreateOrigin = AsEnsureOriginWithArg<EnsureSigned<AccountId>>;
	type Locker = ();
}

impl pallet_transaction_storage::Config for Runtime {
	type Event = Event;
	type Currency = Balances;
	type Call = Call;
	type FeeDestination = ();
	type WeightInfo = pallet_transaction_storage::weights::SubstrateWeight<Runtime>;
}

impl pallet_whitelist::Config for Runtime {
	type Event = Event;
	type Call = Call;
	type WhitelistOrigin = EnsureRoot<AccountId>;
	type DispatchWhitelistedOrigin = EnsureRoot<AccountId>;
	type PreimageProvider = Preimage;
	type WeightInfo = pallet_whitelist::weights::SubstrateWeight<Runtime>;
}

parameter_types! {
	pub const MigrationSignedDepositPerItem: Balance = 1 * CENTS;
	pub const MigrationSignedDepositBase: Balance = 20 * DOLLARS;
}

impl pallet_state_trie_migration::Config for Runtime {
	type Event = Event;
	type ControlOrigin = EnsureRoot<AccountId>;
	type Currency = Balances;
	type SignedDepositPerItem = MigrationSignedDepositPerItem;
	type SignedDepositBase = MigrationSignedDepositBase;
	// Warning: this is not advised, as it might allow the chain to be temporarily DOS-ed.
	// Preferably, if the chain's governance/maintenance team is planning on using a specific
	// account for the migration, put it here to make sure only that account can trigger the signed
	// migrations.
	type SignedFilter = EnsureSigned<Self::AccountId>;
	type WeightInfo = ();
}

construct_runtime!(
	pub enum Runtime where
		Block = Block,
		NodeBlock = node_primitives::Block,
		UncheckedExtrinsic = UncheckedExtrinsic
	{
		System: frame_system,
		Utility: pallet_utility,
		Babe: pallet_babe,
		Timestamp: pallet_timestamp,
		// Authorship must be before session in order to note author in the correct session and era
		// for im-online and staking.
		Authorship: pallet_authorship,
		Indices: pallet_indices,
		Balances: pallet_balances,
		TransactionPayment: pallet_transaction_payment,
		AssetTxPayment: pallet_asset_tx_payment,
		ElectionProviderMultiPhase: pallet_election_provider_multi_phase,
		Staking: pallet_staking,
		Session: pallet_session,
		Democracy: pallet_democracy,
		Council: pallet_collective::<Instance1>,
		TechnicalCommittee: pallet_collective::<Instance2>,
		Elections: pallet_elections_phragmen,
		TechnicalMembership: pallet_membership::<Instance1>,
		Grandpa: pallet_grandpa,
		Treasury: pallet_treasury,
		Contracts: pallet_contracts,
		Sudo: pallet_sudo,
		ImOnline: pallet_im_online,
		AuthorityDiscovery: pallet_authority_discovery,
		Offences: pallet_offences,
		Historical: pallet_session_historical::{Pallet},
		RandomnessCollectiveFlip: pallet_randomness_collective_flip,
		Identity: pallet_identity,
		Society: pallet_society,
		Recovery: pallet_recovery,
		Vesting: pallet_vesting,
		Scheduler: pallet_scheduler,
		Preimage: pallet_preimage,
		Proxy: pallet_proxy,
		Multisig: pallet_multisig,
		Bounties: pallet_bounties,
		Tips: pallet_tips,
		Assets: pallet_assets,
		Mmr: pallet_mmr,
		Lottery: pallet_lottery,
		Gilt: pallet_gilt,
		Uniques: pallet_uniques,
		TransactionStorage: pallet_transaction_storage,
		BagsList: pallet_bags_list,
		StateTrieMigration: pallet_state_trie_migration,
		ChildBounties: pallet_child_bounties,
		Referenda: pallet_referenda,
		Remark: pallet_remark,
		ConvictionVoting: pallet_conviction_voting,
		Whitelist: pallet_whitelist,
		NominationPools: pallet_nomination_pools,
	}
);

/// The address format for describing accounts.
pub type Address = sp_runtime::MultiAddress<AccountId, AccountIndex>;
/// 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.
///
/// When you change this, you **MUST** modify [`sign`] in `bin/node/testing/src/keyring.rs`!
///
/// [`sign`]: <../../testing/src/keyring.rs.html>
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, Call, Signature, SignedExtra>;
/// The payload being signed in transactions.
pub type SignedPayload = generic::SignedPayload<Call, SignedExtra>;
/// Extrinsic type that has already been checked.
pub type CheckedExtrinsic = generic::CheckedExtrinsic<AccountId, Call, SignedExtra>;
/// Executive: handles dispatch to the various modules.
pub type Executive = frame_executive::Executive<
	Runtime,
	Block,
	frame_system::ChainContext<Runtime>,
	Runtime,
	AllPalletsWithSystem,
	(),
>;

/// MMR helper types.
mod mmr {
	use super::Runtime;
	pub use pallet_mmr::primitives::*;

	pub type Leaf = <<Runtime as pallet_mmr::Config>::LeafData as LeafDataProvider>::LeafData;
	pub type Hash = <Runtime as pallet_mmr::Config>::Hash;
	pub type Hashing = <Runtime as pallet_mmr::Config>::Hashing;
}

#[cfg(feature = "runtime-benchmarks")]
#[macro_use]
extern crate frame_benchmarking;

#[cfg(feature = "runtime-benchmarks")]
mod benches {
	define_benchmarks!(
		[frame_benchmarking, BaselineBench::<Runtime>]
		[pallet_assets, Assets]
		[pallet_babe, Babe]
		[pallet_bags_list, BagsList]
		[pallet_balances, Balances]
		[pallet_bounties, Bounties]
		[pallet_child_bounties, ChildBounties]
		[pallet_collective, Council]
		[pallet_conviction_voting, ConvictionVoting]
		[pallet_contracts, Contracts]
		[pallet_democracy, Democracy]
		[pallet_election_provider_multi_phase, ElectionProviderMultiPhase]
		[pallet_election_provider_support_benchmarking, EPSBench::<Runtime>]
		[pallet_elections_phragmen, Elections]
		[pallet_gilt, Gilt]
		[pallet_grandpa, Grandpa]
		[pallet_identity, Identity]
		[pallet_im_online, ImOnline]
		[pallet_indices, Indices]
		[pallet_lottery, Lottery]
		[pallet_membership, TechnicalMembership]
		[pallet_mmr, Mmr]
		[pallet_multisig, Multisig]
		[pallet_nomination_pools, NominationPoolsBench::<Runtime>]
		[pallet_offences, OffencesBench::<Runtime>]
		[pallet_preimage, Preimage]
		[pallet_proxy, Proxy]
		[pallet_referenda, Referenda]
		[pallet_recovery, Recovery]
		[pallet_remark, Remark]
		[pallet_scheduler, Scheduler]
		[pallet_session, SessionBench::<Runtime>]
		[pallet_staking, Staking]
		[pallet_state_trie_migration, StateTrieMigration]
		[frame_system, SystemBench::<Runtime>]
		[pallet_timestamp, Timestamp]
		[pallet_tips, Tips]
		[pallet_transaction_storage, TransactionStorage]
		[pallet_treasury, Treasury]
		[pallet_uniques, Uniques]
		[pallet_utility, Utility]
		[pallet_vesting, Vesting]
		[pallet_whitelist, Whitelist]
	);
}

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

		fn check_inherents(block: Block, data: InherentData) -> 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 fg_primitives::GrandpaApi<Block> for Runtime {
		fn grandpa_authorities() -> GrandpaAuthorityList {
			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,
				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: GrandpaId,
		) -> Option<fg_primitives::OpaqueKeyOwnershipProof> {
			use codec::Encode;

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

	impl sp_consensus_babe::BabeApi<Block> for Runtime {
		fn configuration() -> sp_consensus_babe::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>
			sp_consensus_babe::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() -> sp_consensus_babe::Slot {
			Babe::current_epoch_start()
		}

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

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

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

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

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

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

	impl sp_authority_discovery::AuthorityDiscoveryApi<Block> for Runtime {
		fn authorities() -> Vec<AuthorityDiscoveryId> {
			AuthorityDiscovery::authorities()
		}
	}

	impl frame_system_rpc_runtime_api::AccountNonceApi<Block, AccountId, Index> for Runtime {
		fn account_nonce(account: AccountId) -> Index {
			System::account_nonce(account)
		}
	}

	impl pallet_contracts_rpc_runtime_api::ContractsApi<
		Block, AccountId, Balance, BlockNumber, Hash,
	>
		for Runtime
	{
		fn call(
			origin: AccountId,
			dest: AccountId,
			value: Balance,
			gas_limit: u64,
			storage_deposit_limit: Option<Balance>,
			input_data: Vec<u8>,
		) -> pallet_contracts_primitives::ContractExecResult<Balance> {
			Contracts::bare_call(origin, dest, value, gas_limit, storage_deposit_limit, input_data, true)
		}

		fn instantiate(
			origin: AccountId,
			value: Balance,
			gas_limit: u64,
			storage_deposit_limit: Option<Balance>,
			code: pallet_contracts_primitives::Code<Hash>,
			data: Vec<u8>,
			salt: Vec<u8>,
		) -> pallet_contracts_primitives::ContractInstantiateResult<AccountId, Balance>
		{
			Contracts::bare_instantiate(origin, value, gas_limit, storage_deposit_limit, code, data, salt, true)
		}

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

		fn get_storage(
			address: AccountId,
			key: [u8; 32],
		) -> pallet_contracts_primitives::GetStorageResult {
			Contracts::get_storage(address, key)
		}
	}

	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)
		}
	}

	impl pallet_mmr::primitives::MmrApi<
		Block,
		mmr::Hash,
	> for Runtime {
		fn generate_proof(leaf_index: pallet_mmr::primitives::LeafIndex)
			-> Result<(mmr::EncodableOpaqueLeaf, mmr::Proof<mmr::Hash>), mmr::Error>
		{
			Mmr::generate_batch_proof(vec![leaf_index]).and_then(|(leaves, proof)|
				Ok((
					mmr::EncodableOpaqueLeaf::from_leaf(&leaves[0]),
					mmr::BatchProof::into_single_leaf_proof(proof)?
				))
			)
		}

		fn verify_proof(leaf: mmr::EncodableOpaqueLeaf, proof: mmr::Proof<mmr::Hash>)
			-> Result<(), mmr::Error>
		{
			let leaf: mmr::Leaf = leaf
				.into_opaque_leaf()
				.try_decode()
				.ok_or(mmr::Error::Verify)?;
			Mmr::verify_leaves(vec![leaf], mmr::Proof::into_batch_proof(proof))
		}

		fn verify_proof_stateless(
			root: mmr::Hash,
			leaf: mmr::EncodableOpaqueLeaf,
			proof: mmr::Proof<mmr::Hash>
		) -> Result<(), mmr::Error> {
			let node = mmr::DataOrHash::Data(leaf.into_opaque_leaf());
			pallet_mmr::verify_leaves_proof::<mmr::Hashing, _>(root, vec![node], mmr::Proof::into_batch_proof(proof))
		}

		fn mmr_root() -> Result<mmr::Hash, mmr::Error> {
			Ok(Mmr::mmr_root())
		}

		fn generate_batch_proof(leaf_indices: Vec<pallet_mmr::primitives::LeafIndex>)
			-> Result<(Vec<mmr::EncodableOpaqueLeaf>, mmr::BatchProof<mmr::Hash>), mmr::Error>
		{
			Mmr::generate_batch_proof(leaf_indices)
				.map(|(leaves, proof)| (leaves.into_iter().map(|leaf| mmr::EncodableOpaqueLeaf::from_leaf(&leaf)).collect(), proof))
		}

		fn verify_batch_proof(leaves: Vec<mmr::EncodableOpaqueLeaf>, proof: mmr::BatchProof<mmr::Hash>)
			-> Result<(), mmr::Error>
		{
			let leaves = leaves.into_iter().map(|leaf|
				leaf.into_opaque_leaf()
				.try_decode()
				.ok_or(mmr::Error::Verify)).collect::<Result<Vec<mmr::Leaf>, mmr::Error>>()?;
			Mmr::verify_leaves(leaves, proof)
		}

		fn verify_batch_proof_stateless(
			root: mmr::Hash,
			leaves: Vec<mmr::EncodableOpaqueLeaf>,
			proof: mmr::BatchProof<mmr::Hash>
		) -> Result<(), mmr::Error> {
			let nodes = leaves.into_iter().map(|leaf|mmr::DataOrHash::Data(leaf.into_opaque_leaf())).collect();
			pallet_mmr::verify_leaves_proof::<mmr::Hashing, _>(root, nodes, proof)
		}
	}

	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)
		}
	}

	#[cfg(feature = "try-runtime")]
	impl frame_try_runtime::TryRuntime<Block> for Runtime {
		fn on_runtime_upgrade() -> (Weight, Weight) {
			// NOTE: intentional unwrap: we don't want to propagate the error backwards, and want to
			// have a backtrace here. If any of the pre/post migration checks fail, we shall stop
			// right here and right now.
			let weight = Executive::try_runtime_upgrade().unwrap();
			(weight, RuntimeBlockWeights::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::{baseline, Benchmarking, BenchmarkList};
			use frame_support::traits::StorageInfoTrait;

			// Trying to add benchmarks directly to the Session Pallet caused cyclic dependency
			// issues. To get around that, we separated the Session benchmarks into its own crate,
			// which is why we need these two lines below.
			use pallet_session_benchmarking::Pallet as SessionBench;
			use pallet_offences_benchmarking::Pallet as OffencesBench;
			use pallet_election_provider_support_benchmarking::Pallet as EPSBench;
			use frame_system_benchmarking::Pallet as SystemBench;
			use baseline::Pallet as BaselineBench;
			use pallet_nomination_pools_benchmarking::Pallet as NominationPoolsBench;

			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::{baseline, Benchmarking, BenchmarkBatch,  TrackedStorageKey};

			// Trying to add benchmarks directly to the Session Pallet caused cyclic dependency
			// issues. To get around that, we separated the Session benchmarks into its own crate,
			// which is why we need these two lines below.
			use pallet_session_benchmarking::Pallet as SessionBench;
			use pallet_offences_benchmarking::Pallet as OffencesBench;
			use pallet_election_provider_support_benchmarking::Pallet as EPSBench;
			use frame_system_benchmarking::Pallet as SystemBench;
			use baseline::Pallet as BaselineBench;
			use pallet_nomination_pools_benchmarking::Pallet as NominationPoolsBench;

			impl pallet_session_benchmarking::Config for Runtime {}
			impl pallet_offences_benchmarking::Config for Runtime {}
			impl pallet_election_provider_support_benchmarking::Config for Runtime {}
			impl frame_system_benchmarking::Config for Runtime {}
			impl baseline::Config for Runtime {}
			impl pallet_nomination_pools_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(),
				// System BlockWeight
				hex_literal::hex!("26aa394eea5630e07c48ae0c9558cef734abf5cb34d6244378cddbf18e849d96").to_vec().into(),
				// Treasury Account
				hex_literal::hex!("26aa394eea5630e07c48ae0c9558cef7b99d880ec681799c0cf30e8886371da95ecffd7b6c0f78751baa9d281e0bfa3a6d6f646c70792f74727372790000000000000000000000000000000000000000").to_vec().into(),
			];

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

			Ok(batches)
		}
	}
}

#[cfg(test)]
mod tests {
	use super::*;
	use frame_election_provider_support::NposSolution;
	use frame_system::offchain::CreateSignedTransaction;
	use sp_runtime::UpperOf;

	#[test]
	fn validate_transaction_submitter_bounds() {
		fn is_submit_signed_transaction<T>()
		where
			T: CreateSignedTransaction<Call>,
		{
		}

		is_submit_signed_transaction::<Runtime>();
	}

	#[test]
	fn perbill_as_onchain_accuracy() {
		type OnChainAccuracy =
			<<Runtime as pallet_election_provider_multi_phase::MinerConfig>::Solution as NposSolution>::Accuracy;
		let maximum_chain_accuracy: Vec<UpperOf<OnChainAccuracy>> = (0..MaxNominations::get())
			.map(|_| <UpperOf<OnChainAccuracy>>::from(OnChainAccuracy::one().deconstruct()))
			.collect();
		let _: UpperOf<OnChainAccuracy> =
			maximum_chain_accuracy.iter().fold(0, |acc, x| acc.checked_add(*x).unwrap());
	}

	#[test]
	fn call_size() {
		let size = core::mem::size_of::<Call>();
		assert!(
			size <= 208,
			"size of Call {} is more than 208 bytes: some calls have too big arguments, use Box to reduce the
			size of Call.
			If the limit is too strong, maybe consider increase the limit to 300.",
			size,
		);
	}
}