// This file is part of Substrate.

// Copyright (C) 2018-2021 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 sp_std::prelude::*;
use frame_support::{
	construct_runtime, parameter_types, debug, RuntimeDebug,
	weights::{
		Weight, IdentityFee,
		constants::{BlockExecutionWeight, ExtrinsicBaseWeight, RocksDbWeight, WEIGHT_PER_SECOND}, DispatchClass,
	},
	traits::{
		Currency, Imbalance, KeyOwnerProofSystem, OnUnbalanced, Randomness, LockIdentifier,
		U128CurrencyToVote,
	},
};
use frame_system::{
	EnsureRoot, EnsureOneOf,
	limits::{BlockWeights, BlockLength}
};
use frame_support::traits::InstanceFilter;
use codec::{Encode, Decode};
use sp_core::{
	crypto::KeyTypeId,
	u32_trait::{_1, _2, _3, _4, _5},
	OpaqueMetadata,
};
pub use node_primitives::{AccountId, Signature};
use node_primitives::{AccountIndex, Balance, BlockNumber, Hash, Index, Moment};
use sp_api::impl_runtime_apis;
use sp_runtime::{
	Permill, Perbill, Perquintill, Percent, ApplyExtrinsicResult,
	impl_opaque_keys, generic, create_runtime_str, ModuleId, FixedPointNumber,
};
use sp_runtime::curve::PiecewiseLinear;
use sp_runtime::transaction_validity::{TransactionValidity, TransactionSource, TransactionPriority};
use sp_runtime::traits::{
	self, BlakeTwo256, Block as BlockT, StaticLookup, SaturatedConversion,
	ConvertInto, OpaqueKeys, NumberFor,
};
use sp_version::RuntimeVersion;
#[cfg(any(feature = "std", test))]
use sp_version::NativeVersion;
use pallet_grandpa::{AuthorityId as GrandpaId, AuthorityList as GrandpaAuthorityList};
use pallet_grandpa::fg_primitives;
use pallet_im_online::sr25519::AuthorityId as ImOnlineId;
use sp_authority_discovery::AuthorityId as AuthorityDiscoveryId;
use pallet_transaction_payment_rpc_runtime_api::RuntimeDispatchInfo;
pub use pallet_transaction_payment::{Multiplier, TargetedFeeAdjustment, CurrencyAdapter};
use pallet_session::{historical as pallet_session_historical};
use sp_inherents::{InherentData, CheckInherentsResult};
use static_assertions::const_assert;
use pallet_contracts::WeightInfo;

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

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

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

// 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.
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: 261,
	impl_version: 0,
	apis: RUNTIME_API_VERSIONS,
	transaction_version: 2,
};

/// 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_initalize` 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();
	pub const SS58Prefix: u8 = 42;
}

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

impl frame_system::Config for Runtime {
	type BaseCallFilter = ();
	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 = SS58Prefix;
}

impl pallet_utility::Config for Runtime {
	type Event = Event;
	type Call = Call;
	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);
	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 = 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 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)]
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::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 = MaxProxies;
	type WeightInfo = pallet_proxy::weights::SubstrateWeight<Runtime>;
	type MaxPending = MaxPending;
	type CallHasher = BlakeTwo256;
	type AnnouncementDepositBase = AnnouncementDepositBase;
	type AnnouncementDepositFactor = AnnouncementDepositFactor;
}

parameter_types! {
	pub MaximumSchedulerWeight: Weight = Perbill::from_percent(80) *
		RuntimeBlockWeights::get().max_block;
	pub const MaxScheduledPerBlock: u32 = 50;
}

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 = pallet_scheduler::weights::SubstrateWeight<Runtime>;
}

parameter_types! {
	pub const EpochDuration: u64 = EPOCH_DURATION_IN_SLOTS;
	pub const ExpectedBlockTime: Moment = MILLISECS_PER_BLOCK;
}

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

	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>;

	type WeightInfo = ();
}

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;
}

impl pallet_balances::Config for Runtime {
	type MaxLocks = MaxLocks;
	type Balance = Balance;
	type DustRemoval = ();
	type Event = Event;
	type ExistentialDeposit = ExistentialDeposit;
	type AccountStore = frame_system::Module<Runtime>;
	type WeightInfo = pallet_balances::weights::SubstrateWeight<Runtime>;
}

parameter_types! {
	pub const TransactionByteFee: Balance = 10 * MILLICENTS;
	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 TransactionByteFee = TransactionByteFee;
	type WeightToFee = IdentityFee<Balance>;
	type FeeMultiplierUpdate =
		TargetedFeeAdjustment<Self, TargetBlockFullness, AdjustmentVariable, MinimumMultiplier>;
}

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,
	}
}

parameter_types! {
	pub const DisabledValidatorsThreshold: Perbill = Perbill::from_percent(17);
}

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 DisabledValidatorsThreshold = DisabledValidatorsThreshold;
	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: pallet_staking::EraIndex = 24 * 28;
	pub const SlashDeferDuration: pallet_staking::EraIndex = 24 * 7; // 1/4 the bonding duration.
	pub const RewardCurve: &'static PiecewiseLinear<'static> = &REWARD_CURVE;
	pub const MaxNominatorRewardedPerValidator: u32 = 256;
	pub const ElectionLookahead: BlockNumber = EPOCH_DURATION_IN_BLOCKS / 4;
	pub const MaxIterations: u32 = 10;
	// 0.05%. The higher the value, the more strict solution acceptance becomes.
	pub MinSolutionScoreBump: Perbill = Perbill::from_rational_approximation(5u32, 10_000);
	pub OffchainSolutionWeightLimit: Weight = RuntimeBlockWeights::get()
		.get(DispatchClass::Normal)
		.max_extrinsic.expect("Normal extrinsics have a weight limit configured; qed")
		.saturating_sub(BlockExecutionWeight::get());
}

impl pallet_staking::Config for Runtime {
	type Currency = Balances;
	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 = EnsureOneOf<
		AccountId,
		EnsureRoot<AccountId>,
		pallet_collective::EnsureProportionAtLeast<_3, _4, AccountId, CouncilCollective>
	>;
	type SessionInterface = Self;
	type RewardCurve = RewardCurve;
	type NextNewSession = Session;
	type ElectionLookahead = ElectionLookahead;
	type Call = Call;
	type MaxIterations = MaxIterations;
	type MinSolutionScoreBump = MinSolutionScoreBump;
	type MaxNominatorRewardedPerValidator = MaxNominatorRewardedPerValidator;
	type UnsignedPriority = StakingUnsignedPriority;
	// The unsigned solution weight targeted by the OCW. We set it to the maximum possible value of
	// a single extrinsic.
	type OffchainSolutionWeightLimit = OffchainSolutionWeightLimit;
	type WeightInfo = pallet_staking::weights::SubstrateWeight<Runtime>;
}

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 InstantAllowed: bool = true;
	pub const MinimumDeposit: Balance = 100 * DOLLARS;
	pub const EnactmentPeriod: BlockNumber = 30 * 24 * 60 * MINUTES;
	pub const CooloffPeriod: BlockNumber = 28 * 24 * 60 * MINUTES;
	// One cent: $10,000 / MB
	pub const PreimageByteDeposit: Balance = 1 * CENTS;
	pub const MaxVotes: u32 = 100;
	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 MinimumDeposit = MinimumDeposit;
	/// A straight majority of the council can decide what their next motion is.
	type ExternalOrigin = pallet_collective::EnsureProportionAtLeast<_1, _2, AccountId, CouncilCollective>;
	/// A super-majority can have the next scheduled referendum be a straight majority-carries vote.
	type ExternalMajorityOrigin = pallet_collective::EnsureProportionAtLeast<_3, _4, AccountId, CouncilCollective>;
	/// A unanimous council can have the next scheduled referendum be a straight default-carries
	/// (NTB) vote.
	type ExternalDefaultOrigin = pallet_collective::EnsureProportionAtLeast<_1, _1, AccountId, CouncilCollective>;
	/// 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<_2, _3, AccountId, TechnicalCollective>;
	type InstantOrigin = pallet_collective::EnsureProportionAtLeast<_1, _1, AccountId, TechnicalCollective>;
	type InstantAllowed = InstantAllowed;
	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<_2, _3, AccountId, CouncilCollective>;
	// To cancel a proposal before it has been passed, the technical committee must be unanimous or
	// Root must agree.
	type CancelProposalOrigin = EnsureOneOf<
		AccountId,
		EnsureRoot<AccountId>,
		pallet_collective::EnsureProportionAtLeast<_1, _1, AccountId, TechnicalCollective>,
	>;
	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 cooloff 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 = MaxVotes;
	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;
	pub const VotingBond: Balance = 1 * DOLLARS;
	pub const TermDuration: BlockNumber = 7 * DAYS;
	pub const DesiredMembers: u32 = 13;
	pub const DesiredRunnersUp: u32 = 7;
	pub const ElectionsPhragmenModuleId: 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 ModuleId = ElectionsPhragmenModuleId;
	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 VotingBond = VotingBond;
	type LoserCandidate = ();
	type BadReport = ();
	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 = EnsureOneOf<
	AccountId,
	EnsureRoot<AccountId>,
	pallet_collective::EnsureProportionMoreThan<_1, _2, AccountId, CouncilCollective>
>;
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;
}

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 BountyDepositBase: Balance = 1 * DOLLARS;
	pub const BountyDepositPayoutDelay: BlockNumber = 1 * DAYS;
	pub const TreasuryModuleId: ModuleId = ModuleId(*b"py/trsry");
	pub const BountyUpdatePeriod: BlockNumber = 14 * DAYS;
	pub const MaximumReasonLength: u32 = 16384;
	pub const BountyCuratorDeposit: Permill = Permill::from_percent(50);
	pub const BountyValueMinimum: Balance = 5 * DOLLARS;
}

impl pallet_treasury::Config for Runtime {
	type ModuleId = TreasuryModuleId;
	type Currency = Balances;
	type ApproveOrigin = EnsureOneOf<
		AccountId,
		EnsureRoot<AccountId>,
		pallet_collective::EnsureProportionAtLeast<_3, _5, AccountId, CouncilCollective>
	>;
	type RejectOrigin = EnsureOneOf<
		AccountId,
		EnsureRoot<AccountId>,
		pallet_collective::EnsureProportionMoreThan<_1, _2, AccountId, CouncilCollective>
	>;
	type Event = Event;
	type OnSlash = ();
	type ProposalBond = ProposalBond;
	type ProposalBondMinimum = ProposalBondMinimum;
	type SpendPeriod = SpendPeriod;
	type Burn = Burn;
	type BurnDestination = ();
	type SpendFunds = Bounties;
	type WeightInfo = pallet_treasury::weights::SubstrateWeight<Runtime>;
}

impl pallet_bounties::Config for Runtime {
	type Event = Event;
	type BountyDepositBase = BountyDepositBase;
	type BountyDepositPayoutDelay = BountyDepositPayoutDelay;
	type BountyUpdatePeriod = BountyUpdatePeriod;
	type BountyCuratorDeposit = BountyCuratorDeposit;
	type BountyValueMinimum = BountyValueMinimum;
	type DataDepositPerByte = DataDepositPerByte;
	type MaximumReasonLength = MaximumReasonLength;
	type WeightInfo = pallet_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 TombstoneDeposit: Balance = 16 * MILLICENTS;
	pub const RentByteFee: Balance = 4 * MILLICENTS;
	pub const RentDepositOffset: Balance = 1000 * MILLICENTS;
	pub const SurchargeReward: Balance = 150 * MILLICENTS;
	pub const SignedClaimHandicap: u32 = 2;
	pub const MaxDepth: u32 = 32;
	pub const StorageSizeOffset: u32 = 8;
	pub const MaxValueSize: u32 = 16 * 1024;
	// The lazy deletion runs inside on_initialize.
	pub DeletionWeightLimit: Weight = AVERAGE_ON_INITIALIZE_RATIO *
		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;
}

impl pallet_contracts::Config for Runtime {
	type Time = Timestamp;
	type Randomness = RandomnessCollectiveFlip;
	type Currency = Balances;
	type Event = Event;
	type RentPayment = ();
	type SignedClaimHandicap = SignedClaimHandicap;
	type TombstoneDeposit = TombstoneDeposit;
	type StorageSizeOffset = StorageSizeOffset;
	type RentByteFee = RentByteFee;
	type RentDepositOffset = RentDepositOffset;
	type SurchargeReward = SurchargeReward;
	type MaxDepth = MaxDepth;
	type MaxValueSize = MaxValueSize;
	type WeightPrice = pallet_transaction_payment::Module<Self>;
	type WeightInfo = pallet_contracts::weights::SubstrateWeight<Self>;
	type ChainExtension = ();
	type DeletionQueueDepth = DeletionQueueDepth;
	type DeletionWeightLimit = DeletionWeightLimit;
}

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

parameter_types! {
	pub const SessionDuration: BlockNumber = EPOCH_DURATION_IN_SLOTS as _;
	pub const ImOnlineUnsignedPriority: TransactionPriority = TransactionPriority::max_value();
	/// We prioritize im-online heartbeats over election solution submission.
	pub const StakingUnsignedPriority: TransactionPriority = TransactionPriority::max_value() / 2;
}

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::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_transaction_payment::ChargeTransactionPayment::<Runtime>::from(tip),
		);
		let raw_payload = SignedPayload::new(call, extra)
			.map_err(|e| {
				debug::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.into(), 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 SessionDuration = SessionDuration;
	type ReportUnresponsiveness = Offences;
	type UnsignedPriority = ImOnlineUnsignedPriority;
	type WeightInfo = pallet_im_online::weights::SubstrateWeight<Runtime>;
}

parameter_types! {
	pub OffencesWeightSoftLimit: Weight = Perbill::from_percent(60) *
		RuntimeBlockWeights::get().max_block;
}

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

impl pallet_authority_discovery::Config for Runtime {}

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>;

	type WeightInfo = ();
}

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 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 SocietyModuleId: ModuleId = ModuleId(*b"py/socie");
}

impl pallet_society::Config for Runtime {
	type Event = Event;
	type ModuleId = SocietyModuleId;
	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<_1, _2, AccountId, CouncilCollective>;
	type SuspensionJudgementOrigin = pallet_society::EnsureFounder<Runtime>;
	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>;
}

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 = frame_system::Module<Self>;
	type OnNewRoot = ();
	type WeightInfo = ();
}

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

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

parameter_types! {
	pub const AssetDepositBase: Balance = 100 * DOLLARS;
	pub const AssetDepositPerZombie: Balance = 1 * DOLLARS;
}

impl pallet_assets::Config for Runtime {
	type Event = Event;
	type Balance = u64;
	type AssetId = u32;
	type Currency = Balances;
	type ForceOrigin = EnsureRoot<AccountId>;
	type AssetDepositBase = AssetDepositBase;
	type AssetDepositPerZombie = AssetDepositPerZombie;
	type WeightInfo = pallet_assets::weights::SubstrateWeight<Runtime>;
}

construct_runtime!(
	pub enum Runtime where
		Block = Block,
		NodeBlock = node_primitives::Block,
		UncheckedExtrinsic = UncheckedExtrinsic
	{
		System: frame_system::{Module, Call, Config, Storage, Event<T>},
		Utility: pallet_utility::{Module, Call, Event},
		Babe: pallet_babe::{Module, Call, Storage, Config, Inherent, ValidateUnsigned},
		Timestamp: pallet_timestamp::{Module, Call, Storage, Inherent},
		Authorship: pallet_authorship::{Module, Call, Storage, Inherent},
		Indices: pallet_indices::{Module, Call, Storage, Config<T>, Event<T>},
		Balances: pallet_balances::{Module, Call, Storage, Config<T>, Event<T>},
		TransactionPayment: pallet_transaction_payment::{Module, Storage},
		Staking: pallet_staking::{Module, Call, Config<T>, Storage, Event<T>, ValidateUnsigned},
		Session: pallet_session::{Module, Call, Storage, Event, Config<T>},
		Democracy: pallet_democracy::{Module, Call, Storage, Config, Event<T>},
		Council: pallet_collective::<Instance1>::{Module, Call, Storage, Origin<T>, Event<T>, Config<T>},
		TechnicalCommittee: pallet_collective::<Instance2>::{Module, Call, Storage, Origin<T>, Event<T>, Config<T>},
		Elections: pallet_elections_phragmen::{Module, Call, Storage, Event<T>, Config<T>},
		TechnicalMembership: pallet_membership::<Instance1>::{Module, Call, Storage, Event<T>, Config<T>},
		Grandpa: pallet_grandpa::{Module, Call, Storage, Config, Event, ValidateUnsigned},
		Treasury: pallet_treasury::{Module, Call, Storage, Config, Event<T>},
		Contracts: pallet_contracts::{Module, Call, Config<T>, Storage, Event<T>},
		Sudo: pallet_sudo::{Module, Call, Config<T>, Storage, Event<T>},
		ImOnline: pallet_im_online::{Module, Call, Storage, Event<T>, ValidateUnsigned, Config<T>},
		AuthorityDiscovery: pallet_authority_discovery::{Module, Call, Config},
		Offences: pallet_offences::{Module, Call, Storage, Event},
		Historical: pallet_session_historical::{Module},
		RandomnessCollectiveFlip: pallet_randomness_collective_flip::{Module, Call, Storage},
		Identity: pallet_identity::{Module, Call, Storage, Event<T>},
		Society: pallet_society::{Module, Call, Storage, Event<T>, Config<T>},
		Recovery: pallet_recovery::{Module, Call, Storage, Event<T>},
		Vesting: pallet_vesting::{Module, Call, Storage, Event<T>, Config<T>},
		Scheduler: pallet_scheduler::{Module, Call, Storage, Event<T>},
		Proxy: pallet_proxy::{Module, Call, Storage, Event<T>},
		Multisig: pallet_multisig::{Module, Call, Storage, Event<T>},
		Bounties: pallet_bounties::{Module, Call, Storage, Event<T>},
		Tips: pallet_tips::{Module, Call, Storage, Event<T>},
		Assets: pallet_assets::{Module, Call, Storage, Event<T>},
		Mmr: pallet_mmr::{Module, Storage},
		Lottery: pallet_lottery::{Module, Call, Storage, Event<T>},
	}
);

/// 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::CheckSpecVersion<Runtime>,
	frame_system::CheckTxVersion<Runtime>,
	frame_system::CheckGenesis<Runtime>,
	frame_system::CheckEra<Runtime>,
	frame_system::CheckNonce<Runtime>,
	frame_system::CheckWeight<Runtime>,
	pallet_transaction_payment::ChargeTransactionPayment<Runtime>,
);
/// Unchecked extrinsic type as expected by this runtime.
pub type UncheckedExtrinsic = generic::UncheckedExtrinsic<Address, 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, AllModules>;

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 {
			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)
		}

		fn random_seed() -> <Block as BlockT>::Hash {
			RandomnessCollectiveFlip::random_seed()
		}
	}

	impl sp_transaction_pool::runtime_api::TaggedTransactionQueue<Block> for Runtime {
		fn validate_transaction(
			source: TransactionSource,
			tx: <Block as BlockT>::Extrinsic,
		) -> TransactionValidity {
			Executive::validate_transaction(source, tx)
		}
	}

	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 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: PRIMARY_PROBABILITY,
				genesis_authorities: Babe::authorities(),
				randomness: Babe::randomness(),
				allowed_slots: sp_consensus_babe::AllowedSlots::PrimaryAndSecondaryPlainSlots,
			}
		}

		fn current_epoch_start() -> sp_consensus_babe::SlotNumber {
			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_number: sp_consensus_babe::SlotNumber,
			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>
		for Runtime
	{
		fn call(
			origin: AccountId,
			dest: AccountId,
			value: Balance,
			gas_limit: u64,
			input_data: Vec<u8>,
		) -> pallet_contracts_primitives::ContractExecResult {
			Contracts::bare_call(origin, dest, value, gas_limit, input_data)
		}

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

		fn rent_projection(
			address: AccountId,
		) -> pallet_contracts_primitives::RentProjectionResult<BlockNumber> {
			Contracts::rent_projection(address)
		}
	}

	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)
		}
	}

	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 = "runtime-benchmarks")]
	impl frame_benchmarking::Benchmark<Block> for Runtime {
		fn dispatch_benchmark(
			config: frame_benchmarking::BenchmarkConfig
		) -> Result<Vec<frame_benchmarking::BenchmarkBatch>, sp_runtime::RuntimeString> {
			use frame_benchmarking::{Benchmarking, BenchmarkBatch, add_benchmark, 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::Module as SessionBench;
			use pallet_offences_benchmarking::Module as OffencesBench;
			use frame_system_benchmarking::Module as SystemBench;

			impl pallet_session_benchmarking::Config for Runtime {}
			impl pallet_offences_benchmarking::Config for Runtime {}
			impl frame_system_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(),
				// Treasury Account
				hex_literal::hex!("26aa394eea5630e07c48ae0c9558cef7b99d880ec681799c0cf30e8886371da95ecffd7b6c0f78751baa9d281e0bfa3a6d6f646c70792f74727372790000000000000000000000000000000000000000").to_vec().into(),
			];

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

			add_benchmark!(params, batches, pallet_assets, Assets);
			add_benchmark!(params, batches, pallet_babe, Babe);
			add_benchmark!(params, batches, pallet_balances, Balances);
			add_benchmark!(params, batches, pallet_bounties, Bounties);
			add_benchmark!(params, batches, pallet_collective, Council);
			add_benchmark!(params, batches, pallet_contracts, Contracts);
			add_benchmark!(params, batches, pallet_democracy, Democracy);
			add_benchmark!(params, batches, pallet_elections_phragmen, Elections);
			add_benchmark!(params, batches, pallet_grandpa, Grandpa);
			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_lottery, Lottery);
			add_benchmark!(params, batches, pallet_mmr, Mmr);
			add_benchmark!(params, batches, pallet_multisig, Multisig);
			add_benchmark!(params, batches, pallet_offences, OffencesBench::<Runtime>);
			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_tips, Tips);
			add_benchmark!(params, batches, pallet_treasury, Treasury);
			add_benchmark!(params, batches, pallet_utility, Utility);
			add_benchmark!(params, batches, pallet_vesting, Vesting);

			if batches.is_empty() { return Err("Benchmark not found for this pallet.".into()) }
			Ok(batches)
		}
	}
}

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

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

		is_submit_signed_transaction::<Runtime>();
	}
}