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

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

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

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

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

#![cfg_attr(not(feature = "std"), no_std)]
// `construct_runtime!` does a lot of recursion and requires us to increase the limit to 256.
#![recursion_limit="256"]

use sp_std::prelude::*;
use codec::{Encode, Decode};
use primitives::v0::{
	self as parachain,
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	AccountId, AccountIndex, Balance, BlockNumber, Hash, Nonce, Signature, Moment,
	ActiveParas, AbridgedCandidateReceipt, SigningContext,
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};
use runtime_common::{
	attestations, parachains, registrar, purchase, SlowAdjustingFeeUpdate,
	impls::{CurrencyToVoteHandler, ToAuthor},
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	BlockHashCount, MaximumBlockWeight, AvailableBlockRatio, MaximumBlockLength,
	BlockExecutionWeight, ExtrinsicBaseWeight, RocksDbWeight, MaximumExtrinsicWeight,
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};
use sp_runtime::{
	create_runtime_str, generic, impl_opaque_keys,
	ApplyExtrinsicResult, KeyTypeId, Permill, Perbill, curve::PiecewiseLinear,
	transaction_validity::{TransactionValidity, TransactionSource, TransactionPriority},
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	traits::{
		BlakeTwo256, Block as BlockT, OpaqueKeys, ConvertInto, IdentityLookup,
		Extrinsic as ExtrinsicT, SaturatedConversion, Verify,
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	},
};
#[cfg(feature = "runtime-benchmarks")]
use sp_runtime::RuntimeString;
use version::RuntimeVersion;
use grandpa::{AuthorityId as GrandpaId, fg_primitives};
#[cfg(any(feature = "std", test))]
use version::NativeVersion;
use sp_core::OpaqueMetadata;
use sp_staking::SessionIndex;
	parameter_types, ord_parameter_types, construct_runtime, debug, RuntimeDebug,
	traits::{KeyOwnerProofSystem, Randomness, Filter, InstanceFilter},
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use im_online::sr25519::AuthorityId as ImOnlineId;
use authority_discovery_primitives::AuthorityId as AuthorityDiscoveryId;
use transaction_payment_rpc_runtime_api::RuntimeDispatchInfo;
use session::historical as session_historical;
use system::{EnsureRoot, EnsureSignedBy, EnsureOneOf};
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#[cfg(feature = "std")]
pub use staking::StakerStatus;
#[cfg(any(feature = "std", test))]
pub use sp_runtime::BuildStorage;
pub use timestamp::Call as TimestampCall;
pub use balances::Call as BalancesCall;
pub use attestations::{Call as AttestationsCall, MORE_ATTESTATIONS_IDENTIFIER};
pub use parachains::Call as ParachainsCall;

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

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

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

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

/// Avoid processing transactions from slots and parachain registrar.
pub struct BaseFilter;
impl Filter<Call> for BaseFilter {
	fn filter(call: &Call) -> bool {
		!matches!(call, Call::Registrar(_))
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	}
}

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

impl system::Trait for Runtime {
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	type Origin = Origin;
	type Call = Call;
	type Index = Nonce;
	type BlockNumber = BlockNumber;
	type Hash = Hash;
	type Hashing = BlakeTwo256;
	type AccountId = AccountId;
	type Lookup = IdentityLookup<Self::AccountId>;
	type Header = generic::Header<BlockNumber, BlakeTwo256>;
	type Event = Event;
	type BlockHashCount = BlockHashCount;
	type MaximumBlockWeight = MaximumBlockWeight;
	type DbWeight = RocksDbWeight;
	type BlockExecutionWeight = BlockExecutionWeight;
	type ExtrinsicBaseWeight = ExtrinsicBaseWeight;
	type MaximumExtrinsicWeight = MaximumExtrinsicWeight;
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	type MaximumBlockLength = MaximumBlockLength;
	type AvailableBlockRatio = AvailableBlockRatio;
	type Version = Version;
	type ModuleToIndex = ModuleToIndex;
	type AccountData = balances::AccountData<Balance>;
	type OnNewAccount = ();
	type OnKilledAccount = ();
	type SystemWeightInfo = ();
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}

impl scheduler::Trait for Runtime {
	type Event = Event;
	type Origin = Origin;
	type PalletsOrigin = OriginCaller;
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	type Call = Call;
	type MaximumWeight = MaximumBlockWeight;
	type ScheduleOrigin = EnsureRoot<AccountId>;
	type WeightInfo = ();
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}

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

impl babe::Trait for Runtime {
	type EpochDuration = EpochDuration;
	type ExpectedBlockTime = ExpectedBlockTime;

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

	type KeyOwnerProofSystem = Historical;

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

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

	type HandleEquivocation =
		babe::EquivocationHandler<Self::KeyOwnerIdentification, Offences>;
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}

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

impl indices::Trait for Runtime {
	type AccountIndex = AccountIndex;
	type Currency = Balances;
	type Deposit = IndexDeposit;
	type Event = Event;
	type WeightInfo = ();
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}

parameter_types! {
	pub const ExistentialDeposit: Balance = 1 * CENTS;
}

impl balances::Trait for Runtime {
	type Balance = Balance;
	type DustRemoval = ();
	type Event = Event;
	type ExistentialDeposit = ExistentialDeposit;
	type AccountStore = System;
	type WeightInfo = ();
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}

parameter_types! {
	pub const TransactionByteFee: Balance = 10 * MILLICENTS;
}

impl transaction_payment::Trait for Runtime {
	type Currency = Balances;
	type OnTransactionPayment = ToAuthor<Runtime>;
	type TransactionByteFee = TransactionByteFee;
	type WeightToFee = WeightToFee;
	type FeeMultiplierUpdate = SlowAdjustingFeeUpdate<Self>;
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}

parameter_types! {
	pub const MinimumPeriod: u64 = SLOT_DURATION / 2;
}
impl timestamp::Trait for Runtime {
	type Moment = u64;
	type OnTimestampSet = Babe;
	type MinimumPeriod = MinimumPeriod;
	type WeightInfo = ();
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}

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

// TODO: substrate#2986 implement this properly
impl authorship::Trait for Runtime {
	type FindAuthor = session::FindAccountFromAuthorIndex<Self, Babe>;
	type UncleGenerations = UncleGenerations;
	type FilterUncle = ();
	type EventHandler = (Staking, ImOnline);
}

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

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

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

impl session::Trait for Runtime {
	type Event = Event;
	type ValidatorId = AccountId;
	type ValidatorIdOf = staking::StashOf<Self>;
	type ShouldEndSession = Babe;
	type NextSessionRotation = Babe;
	type SessionManager = session::historical::NoteHistoricalRoot<Self, Staking>;
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	type SessionHandler = <SessionKeys as OpaqueKeys>::KeyTypeIdProviders;
	type Keys = SessionKeys;
	type DisabledValidatorsThreshold = DisabledValidatorsThreshold;
	type WeightInfo = ();
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}

impl session::historical::Trait for Runtime {
	type FullIdentification = staking::Exposure<AccountId, Balance>;
	type FullIdentificationOf = 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! {
	// Six sessions in an era (6 hours).
	pub const SessionsPerEra: SessionIndex = 6;
	// 28 eras for unbonding (7 days).
	pub const BondingDuration: staking::EraIndex = 28;
	// 28 eras in which slashes can be cancelled (7 days).
	pub const SlashDeferDuration: staking::EraIndex = 28;
	pub const RewardCurve: &'static PiecewiseLinear<'static> = &REWARD_CURVE;
	pub const MaxNominatorRewardedPerValidator: u32 = 64;
	// quarter of the last session will be for election.
	pub const ElectionLookahead: BlockNumber = EPOCH_DURATION_IN_BLOCKS / 4;
	pub const MaxIterations: u32 = 10;
	pub MinSolutionScoreBump: Perbill = Perbill::from_rational_approximation(5u32, 10_000);
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}

impl staking::Trait for Runtime {
	type Currency = Balances;
	type UnixTime = Timestamp;
	type CurrencyToVote = CurrencyToVoteHandler<Self>;
	type RewardRemainder = ();
	type Event = Event;
	type Slash = ();
	type Reward = ();
	type SessionsPerEra = SessionsPerEra;
	type BondingDuration = BondingDuration;
	type SlashDeferDuration = SlashDeferDuration;
	// A majority of the council can cancel the slash.
	type SlashCancelOrigin = EnsureRoot<AccountId>;
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	type SessionInterface = Self;
	type RewardCurve = RewardCurve;
	type MaxNominatorRewardedPerValidator = MaxNominatorRewardedPerValidator;
	type NextNewSession = Session;
	type ElectionLookahead = ElectionLookahead;
	type Call = Call;
	type UnsignedPriority = StakingUnsignedPriority;
	type MaxIterations = MaxIterations;
	type MinSolutionScoreBump = MinSolutionScoreBump;
	type WeightInfo = ();
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}

parameter_types! {
	pub const LaunchPeriod: BlockNumber = 7 * DAYS;
	pub const VotingPeriod: BlockNumber = 7 * DAYS;
	pub const FastTrackVotingPeriod: BlockNumber = 3 * HOURS;
	pub const MinimumDeposit: Balance = 1 * DOLLARS;
	pub const EnactmentPeriod: BlockNumber = 8 * DAYS;
	pub const CooloffPeriod: BlockNumber = 7 * DAYS;
	// One cent: $10,000 / MB
	pub const PreimageByteDeposit: Balance = 10 * MILLICENTS;
	pub const InstantAllowed: bool = true;
}

	pub OffencesWeightSoftLimit: Weight = Perbill::from_percent(60) * MaximumBlockWeight::get();
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impl offences::Trait for Runtime {
	type Event = Event;
	type IdentificationTuple = session::historical::IdentificationTuple<Self>;
	type OnOffenceHandler = Staking;
	type WeightSoftLimit = OffencesWeightSoftLimit;
	type WeightInfo = ();
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}

impl authority_discovery::Trait for Runtime {}

parameter_types! {
	pub const SessionDuration: BlockNumber = EPOCH_DURATION_IN_BLOCKS as _;
}

parameter_types! {
	pub const StakingUnsignedPriority: TransactionPriority = TransactionPriority::max_value() / 2;
	pub const ImOnlineUnsignedPriority: TransactionPriority = TransactionPriority::max_value();
}

impl im_online::Trait for Runtime {
	type AuthorityId = ImOnlineId;
	type Event = Event;
	type ReportUnresponsiveness = Offences;
	type SessionDuration = SessionDuration;
	type UnsignedPriority = StakingUnsignedPriority;
	type WeightInfo = ();
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}

impl grandpa::Trait 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 = grandpa::EquivocationHandler<Self::KeyOwnerIdentification, Offences>;
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}

parameter_types! {
	pub WindowSize: BlockNumber = finality_tracker::DEFAULT_WINDOW_SIZE.into();
	pub ReportLatency: BlockNumber = finality_tracker::DEFAULT_REPORT_LATENCY.into();
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}

impl finality_tracker::Trait for Runtime {
	type OnFinalizationStalled = ();
	type WindowSize = WindowSize;
	type ReportLatency = ReportLatency;
}

parameter_types! {
	pub const AttestationPeriod: BlockNumber = 50;
}

impl attestations::Trait for Runtime {
	type AttestationPeriod = AttestationPeriod;
	type ValidatorIdentities = parachains::ValidatorIdentities<Runtime>;
	type RewardAttestation = Staking;
}

parameter_types! {
	pub const MaxCodeSize: u32 = 10 * 1024 * 1024; // 10 MB
	pub const MaxHeadDataSize: u32 = 20 * 1024; // 20 KB
	pub const ValidationUpgradeFrequency: BlockNumber = 2 * DAYS;
	pub const ValidationUpgradeDelay: BlockNumber = 8 * HOURS;
	pub const SlashPeriod: BlockNumber = 7 * DAYS;
}

impl parachains::Trait for Runtime {
	type AuthorityId = primitives::v0::fisherman::FishermanAppCrypto;
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	type Origin = Origin;
	type Call = Call;
	type ParachainCurrency = Balances;
	type BlockNumberConversion = sp_runtime::traits::Identity;
	type Randomness = RandomnessCollectiveFlip;
	type ActiveParachains = Registrar;
	type Registrar = Registrar;
	type MaxCodeSize = MaxCodeSize;
	type MaxHeadDataSize = MaxHeadDataSize;

	type ValidationUpgradeFrequency = ValidationUpgradeFrequency;
	type ValidationUpgradeDelay = ValidationUpgradeDelay;
	type SlashPeriod = SlashPeriod;

	type Proof = sp_session::MembershipProof;
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	type KeyOwnerProofSystem = session::historical::Module<Self>;
	type IdentificationTuple = <Self::KeyOwnerProofSystem as KeyOwnerProofSystem<(KeyTypeId, Vec<u8>)>>::IdentificationTuple;
	type ReportOffence = Offences;
	type BlockHashConversion = sp_runtime::traits::Identity;
/// Submits a transaction with the node's public and signature type. Adheres to the signed extension
/// format of the chain.
impl<LocalCall> system::offchain::CreateSignedTransaction<LocalCall> for Runtime where
	Call: From<LocalCall>,
{
	fn create_transaction<C: system::offchain::AppCrypto<Self::Public, Self::Signature>>(
		call: Call,
		public: <Signature as Verify>::Signer,
		account: AccountId,
		nonce: <Runtime as system::Trait>::Index,
	) -> Option<(Call, <UncheckedExtrinsic as ExtrinsicT>::SignaturePayload)> {
		// take the biggest period possible.
		let period = BlockHashCount::get()
			.checked_next_power_of_two()
			.map(|c| c / 2)
			.unwrap_or(2) as u64;

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

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

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

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parameter_types! {
	pub const ParathreadDeposit: Balance = 5 * DOLLARS;
	pub const QueueSize: usize = 2;
	pub const MaxRetries: u32 = 3;
}

impl registrar::Trait for Runtime {
	type Event = Event;
	type Origin = Origin;
	type Currency = Balances;
	type ParathreadDeposit = ParathreadDeposit;
	type SwapAux = ();
	type QueueSize = QueueSize;
	type MaxRetries = MaxRetries;
}

parameter_types! {
	// Minimum 100 bytes/KSM deposited (1 CENT/byte)
	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;
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}

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

impl utility::Trait for Runtime {
	type Event = Event;
	type Call = Call;
	type WeightInfo = ();
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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);
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	// Additional storage item size of 32 bytes.
	pub const DepositFactor: Balance = deposit(0, 32);
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	pub const MaxSignatories: u16 = 100;
}

impl multisig::Trait for Runtime {
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	type Event = Event;
	type Call = Call;
	type Currency = Balances;
	type DepositBase = DepositBase;
	type DepositFactor = DepositFactor;
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	type MaxSignatories = MaxSignatories;
	type WeightInfo = ();
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}

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 recovery::Trait for Runtime {
	type Event = Event;
	type Call = Call;
	type Currency = Balances;
	type ConfigDepositBase = ConfigDepositBase;
	type FriendDepositFactor = FriendDepositFactor;
	type MaxFriends = MaxFriends;
	type RecoveryDeposit = RecoveryDeposit;
}

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

impl vesting::Trait for Runtime {
	type Event = Event;
	type Currency = Balances;
	type BlockNumberToBalance = ConvertInto;
	type MinVestedTransfer = MinVestedTransfer;
	type WeightInfo = ();
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}

impl sudo::Trait for Runtime {
	type Event = Event;
	type Call = Call;
}

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

/// 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,
	Staking,
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	IdentityJudgement,
}
impl Default for ProxyType { fn default() -> Self { Self::Any } }
impl InstanceFilter<Call> for ProxyType {
	fn filter(&self, c: &Call) -> bool {
		match self {
			ProxyType::Any => true,
			ProxyType::NonTransfer => matches!(c,
				Call::System(..) |
				Call::Babe(..) |
				Call::Timestamp(..) |
				Call::Indices(indices::Call::claim(..)) |
				Call::Indices(indices::Call::free(..)) |
				Call::Indices(indices::Call::freeze(..)) |
				// Specifically omitting Indices `transfer`, `force_transfer`
				// Specifically omitting the entire Balances pallet
				Call::Authorship(..) |
				Call::Staking(..) |
				Call::Offences(..) |
				Call::Session(..) |
				Call::FinalityTracker(..) |
				Call::Grandpa(..) |
				Call::ImOnline(..) |
				Call::AuthorityDiscovery(..) |
				Call::Parachains(..) |
				Call::Attestations(..) |
				Call::Registrar(..) |
				Call::Utility(..) |
				Call::Identity(..) |
				Call::Recovery(recovery::Call::as_recovered(..)) |
				Call::Recovery(recovery::Call::vouch_recovery(..)) |
				Call::Recovery(recovery::Call::claim_recovery(..)) |
				Call::Recovery(recovery::Call::close_recovery(..)) |
				Call::Recovery(recovery::Call::remove_recovery(..)) |
				Call::Recovery(recovery::Call::cancel_recovered(..)) |
				// Specifically omitting Recovery `create_recovery`, `initiate_recovery`
				Call::Vesting(vesting::Call::vest(..)) |
				Call::Vesting(vesting::Call::vest_other(..)) |
				// Specifically omitting Vesting `vested_transfer`, and `force_vested_transfer`
				Call::Scheduler(..) |
				// Specifically omitting Sudo pallet
				Call::Proxy(..) |
				Call::Multisig(..)
			),
			ProxyType::Staking => matches!(c,
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				Call::Staking(..) | Call::Utility(..)
			ProxyType::SudoBalances => match c {
				Call::Sudo(sudo::Call::sudo(ref x)) => matches!(x.as_ref(), &Call::Balances(..)),
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				Call::Utility(..) => true,
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			ProxyType::IdentityJudgement => matches!(c,
				Call::Identity(identity::Call::provide_judgement(..))
				| Call::Utility(utility::Call::batch(..))
			)
		}
	}
	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 proxy::Trait 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 = ();
parameter_types! {
	pub const MaxStatementLength: usize = 1_000;
	pub const UnlockedProportion: Permill = Permill::zero();
	pub const MaxUnlocked: Balance = 0;
}

ord_parameter_types! {
	pub const PurchaseValidity: AccountId = AccountId::from(
		// 5CqSB6zNHcp3mvTAyh5Vr2MbSdb7DgLi9yWoAppHRveGcYQh
		hex_literal::hex!("221d409ba60508368d4448ccda40182aca2744bcdfa0881944c08108a9fd966d")
	);
	pub const PurchaseConfiguration: AccountId = AccountId::from(
		// 5FUP4BwQzi8F5WBTmaHsoobGbMSUTiX7Exwb7QzTjgNQypo1
		hex_literal::hex!("96c34c8c60b3690701176bdbc9b16aced2898d754385a84ee0cfe7fb015db800")
	);
}

type ValidityOrigin = EnsureOneOf<
	AccountId,
	EnsureRoot<AccountId>,
	EnsureSignedBy<PurchaseValidity, AccountId>,
>;

type ConfigurationOrigin = EnsureOneOf<
	AccountId,
	EnsureRoot<AccountId>,
	EnsureSignedBy<PurchaseConfiguration, AccountId>,
>;

impl purchase::Trait for Runtime {
	type Event = Event;
	type Currency = Balances;
	type VestingSchedule = Vesting;
	type ValidityOrigin = ValidityOrigin;
	type ConfigurationOrigin = ConfigurationOrigin;
	type MaxStatementLength = MaxStatementLength;
	type UnlockedProportion = UnlockedProportion;
	type MaxUnlocked = MaxUnlocked;
}

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construct_runtime! {
	pub enum Runtime where
		Block = Block,
		NodeBlock = primitives::v0::Block,
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		UncheckedExtrinsic = UncheckedExtrinsic
	{
		// Basic stuff; balances is uncallable initially.
		System: system::{Module, Call, Storage, Config, Event<T>},
		RandomnessCollectiveFlip: randomness_collective_flip::{Module, Storage},

		// Must be before session.
		Babe: babe::{Module, Call, Storage, Config, Inherent, ValidateUnsigned},
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		Timestamp: timestamp::{Module, Call, Storage, Inherent},
		Indices: indices::{Module, Call, Storage, Config<T>, Event<T>},
		Balances: balances::{Module, Call, Storage, Config<T>, Event<T>},
		TransactionPayment: transaction_payment::{Module, Storage},

		// Consensus support.
		Authorship: authorship::{Module, Call, Storage},
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		Staking: staking::{Module, Call, Storage, Config<T>, Event<T>, ValidateUnsigned},
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		Offences: offences::{Module, Call, Storage, Event},
		Historical: session_historical::{Module},
		Session: session::{Module, Call, Storage, Event, Config<T>},
		FinalityTracker: finality_tracker::{Module, Call, Storage, Inherent},
		Grandpa: grandpa::{Module, Call, Storage, Config, Event, ValidateUnsigned},
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		ImOnline: im_online::{Module, Call, Storage, Event<T>, ValidateUnsigned, Config<T>},
		AuthorityDiscovery: authority_discovery::{Module, Call, Config},

		// Parachains stuff; slots are disabled (no auctions initially). The rest are safe as they
		// have no public dispatchables.
		Parachains: parachains::{Module, Call, Storage, Config, Inherent, Origin},
		Attestations: attestations::{Module, Call, Storage},
		Registrar: registrar::{Module, Call, Storage, Event, Config<T>},

		// Utility module.
		Utility: utility::{Module, Call, Event},
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		// Less simple identity module.
		Identity: identity::{Module, Call, Storage, Event<T>},

		// Social recovery module.
		Recovery: recovery::{Module, Call, Storage, Event<T>},

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

		// System scheduler.
		Scheduler: scheduler::{Module, Call, Storage, Event<T>},

		// Sudo.
		Sudo: sudo::{Module, Call, Storage, Event<T>, Config<T>},

		// Proxy module. Late addition.
		Proxy: proxy::{Module, Call, Storage, Event<T>},

		// Multisig module. Late addition.
		Multisig: multisig::{Module, Call, Storage, Event<T>},

		// Purchase module. Late addition.
		Purchase: purchase::{Module, Call, Storage, Event<T>},
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	}
}

/// The address format for describing accounts.
pub type Address = AccountId;
/// Block header type as expected by this runtime.
pub type Header = generic::Header<BlockNumber, BlakeTwo256>;
/// Block type as expected by this runtime.
pub type Block = generic::Block<Header, UncheckedExtrinsic>;
/// A Block signed with a Justification
pub type SignedBlock = generic::SignedBlock<Block>;
/// BlockId type as expected by this runtime.
pub type BlockId = generic::BlockId<Block>;
/// The SignedExtension to the basic transaction logic.
pub type SignedExtra = (
	system::CheckSpecVersion<Runtime>,
	system::CheckTxVersion<Runtime>,
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	system::CheckGenesis<Runtime>,
	system::CheckMortality<Runtime>,
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	system::CheckNonce<Runtime>,
	system::CheckWeight<Runtime>,
	transaction_payment::ChargeTransactionPayment<Runtime>,
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	registrar::LimitParathreadCommits<Runtime>,
	parachains::ValidateDoubleVoteReports<Runtime>,
);
/// Unchecked extrinsic type as expected by this runtime.
pub type UncheckedExtrinsic = generic::UncheckedExtrinsic<Address, Call, Signature, SignedExtra>;
/// Extrinsic type that has already been checked.
pub type CheckedExtrinsic = generic::CheckedExtrinsic<AccountId, Nonce, Call>;
/// Executive: handles dispatch to the various modules.
pub type Executive = executive::Executive<Runtime, Block, system::ChainContext<Runtime>, Runtime, AllModules>;
/// The payload being signed in transactions.
pub type SignedPayload = generic::SignedPayload<Call, SignedExtra>;
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#[cfg(not(feature = "disable-runtime-api"))]
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sp_api::impl_runtime_apis! {
	impl sp_api::Core<Block> for Runtime {
		fn version() -> RuntimeVersion {
			VERSION
		}

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

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

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

	impl block_builder_api::BlockBuilder<Block> for Runtime {
		fn apply_extrinsic(extrinsic: <Block as BlockT>::Extrinsic) -> ApplyExtrinsicResult {
			Executive::apply_extrinsic(extrinsic)
		}

		fn finalize_block() -> <Block as BlockT>::Header {
			Executive::finalize_block()
		}

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

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

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

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

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

	impl parachain::ParachainHost<Block> for Runtime {
		fn validators() -> Vec<parachain::ValidatorId> {
			Parachains::authorities()
		}
		fn duty_roster() -> parachain::DutyRoster {
			Parachains::calculate_duty_roster().0
		}
		fn active_parachains() -> Vec<(parachain::Id, Option<(parachain::CollatorId, parachain::Retriable)>)> {
			Registrar::active_paras()
		}
		fn global_validation_data() -> parachain::GlobalValidationData {
			Parachains::global_validation_data()
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		}
		fn local_validation_data(id: parachain::Id) -> Option<parachain::LocalValidationData> {
			Parachains::current_local_validation_data(&id)
		}
		fn parachain_code(id: parachain::Id) -> Option<parachain::ValidationCode> {
			Parachains::parachain_code(&id)
		}
		fn get_heads(extrinsics: Vec<<Block as BlockT>::Extrinsic>)
			-> Option<Vec<AbridgedCandidateReceipt>>
		{
			extrinsics
				.into_iter()
				.find_map(|ex| match UncheckedExtrinsic::decode(&mut ex.encode().as_slice()) {
					Ok(ex) => match ex.function {
						Call::Parachains(ParachainsCall::set_heads(heads)) => {
							Some(heads.into_iter().map(|c| c.candidate).collect())
						}
						_ => None,
					}
					Err(_) => None,
				})
		}
		fn signing_context() -> SigningContext {
			Parachains::signing_context()
		}
		fn downward_messages(id: parachain::Id) -> Vec<primitives::v0::DownwardMessage> {
			Parachains::downward_messages(id)
		}
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	}

	impl fg_primitives::GrandpaApi<Block> for Runtime {
		fn grandpa_authorities() -> Vec<(GrandpaId, u64)> {
			Grandpa::grandpa_authorities()
		}
		fn submit_report_equivocation_unsigned_extrinsic(
			equivocation_proof: fg_primitives::EquivocationProof<
				<Block as BlockT>::Hash,
				sp_runtime::traits::NumberFor<Block>,
			>,
			key_owner_proof: fg_primitives::OpaqueKeyOwnershipProof,
		) -> Option<()> {
			let key_owner_proof = key_owner_proof.decode()?;

			Grandpa::submit_unsigned_equivocation_report(
				equivocation_proof,
				key_owner_proof,
			)
		}

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

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

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

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

		fn generate_key_ownership_proof(
			_slot_number: babe_primitives::SlotNumber,
			authority_id: babe_primitives::AuthorityId,
		) -> Option<babe_primitives::OpaqueKeyOwnershipProof> {
			use codec::Encode;

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

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