lib.rs

// Copyright 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 Rococo runtime for v1 parachains.

#![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 parity_scale_codec::{Decode, Encode, MaxEncodedLen};
use primitives::v2::{
	AccountId, AccountIndex, Balance, BlockNumber, CandidateEvent, CandidateHash,
	CommittedCandidateReceipt, CoreState, DisputeState, GroupRotationInfo, Hash, Id as ParaId,
	InboundDownwardMessage, InboundHrmpMessage, Moment, Nonce, OccupiedCoreAssumption,
	PersistedValidationData, ScrapedOnChainVotes, SessionInfo, Signature, ValidationCode,
	ValidationCodeHash, ValidatorId, ValidatorIndex,
};
use runtime_common::{
	assigned_slots, auctions, claims, crowdloan, impl_runtime_weights, impls::ToAuthor,
	paras_registrar, paras_sudo_wrapper, prod_or_fast, slots, BlockHashCount, BlockLength,
	SlowAdjustingFeeUpdate,
};
use sp_std::{cmp::Ordering, collections::btree_map::BTreeMap, prelude::*};

use runtime_parachains::{
	configuration as parachains_configuration, disputes as parachains_disputes,
	dmp as parachains_dmp, hrmp as parachains_hrmp, inclusion as parachains_inclusion,
	initializer as parachains_initializer, origin as parachains_origin, paras as parachains_paras,
	paras_inherent as parachains_paras_inherent,
	runtime_api_impl::v2 as parachains_runtime_api_impl, scheduler as parachains_scheduler,
	session_info as parachains_session_info, shared as parachains_shared, ump as parachains_ump,
};

use authority_discovery_primitives::AuthorityId as AuthorityDiscoveryId;
use beefy_primitives::{
	crypto::AuthorityId as BeefyId,
	mmr::{BeefyDataProvider, MmrLeafVersion},
};

use frame_support::{
	construct_runtime, parameter_types,
	traits::{
		Contains, EitherOfDiverse, InstanceFilter, KeyOwnerProofSystem, LockIdentifier,
		PrivilegeCmp,
	},
	weights::ConstantMultiplier,
	PalletId, RuntimeDebug,
};
use frame_system::EnsureRoot;
use pallet_grandpa::{fg_primitives, AuthorityId as GrandpaId};
use pallet_im_online::sr25519::AuthorityId as ImOnlineId;
use pallet_session::historical as session_historical;
use pallet_transaction_payment::{CurrencyAdapter, FeeDetails, RuntimeDispatchInfo};
use sp_core::{OpaqueMetadata, H256};
use sp_mmr_primitives as mmr;
use sp_runtime::{
	create_runtime_str, generic, impl_opaque_keys,
	traits::{
		AccountIdLookup, BlakeTwo256, Block as BlockT, ConvertInto, Extrinsic as ExtrinsicT,
		Keccak256, OpaqueKeys, SaturatedConversion, Verify,
	},
	transaction_validity::{TransactionPriority, TransactionSource, TransactionValidity},
	ApplyExtrinsicResult, KeyTypeId, Perbill, Percent, Permill,
};
use sp_staking::SessionIndex;
#[cfg(any(feature = "std", test))]
use sp_version::NativeVersion;
use sp_version::RuntimeVersion;
use static_assertions::const_assert;

pub use frame_system::Call as SystemCall;
pub use pallet_balances::Call as BalancesCall;

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

// Weights used in the runtime.
mod weights;

// XCM configurations.
pub mod xcm_config;

mod validator_manager;

impl_runtime_weights!(rococo_runtime_constants);

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

/// Runtime version (Rococo).
#[sp_version::runtime_version]
pub const VERSION: RuntimeVersion = RuntimeVersion {
	spec_name: create_runtime_str!("rococo"),
	impl_name: create_runtime_str!("parity-rococo-v2.0"),
	authoring_version: 0,
	spec_version: 9290,
	impl_version: 0,
	#[cfg(not(feature = "disable-runtime-api"))]
	apis: RUNTIME_API_VERSIONS,
	#[cfg(feature = "disable-runtime-api")]
	apis: sp_version::create_apis_vec![[]],
	transaction_version: 13,
	state_version: 0,
};

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

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

/// We currently allow all calls.
pub struct BaseFilter;
impl Contains<Call> for BaseFilter {
	fn contains(_call: &Call) -> bool {
		true
	}
}

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

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

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

type ScheduleOrigin = EitherOfDiverse<
	EnsureRoot<AccountId>,
	pallet_collective::EnsureProportionAtLeast<AccountId, CouncilCollective, 1, 2>,
>;

/// Used the compare the privilege of an origin inside the scheduler.
pub struct OriginPrivilegeCmp;

impl PrivilegeCmp<OriginCaller> for OriginPrivilegeCmp {
	fn cmp_privilege(left: &OriginCaller, right: &OriginCaller) -> Option<Ordering> {
		if left == right {
			return Some(Ordering::Equal)
		}

		match (left, right) {
			// Root is greater than anything.
			(OriginCaller::system(frame_system::RawOrigin::Root), _) => Some(Ordering::Greater),
			// Check which one has more yes votes.
			(
				OriginCaller::Council(pallet_collective::RawOrigin::Members(l_yes_votes, l_count)),
				OriginCaller::Council(pallet_collective::RawOrigin::Members(r_yes_votes, r_count)),
			) => Some((l_yes_votes * r_count).cmp(&(r_yes_votes * l_count))),
			// For every other origin we don't care, as they are not used for `ScheduleOrigin`.
			_ => None,
		}
	}
}

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

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

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

parameter_types! {
	pub const ExpectedBlockTime: Moment = MILLISECS_PER_BLOCK;
	pub ReportLongevity: u64 = EpochDurationInBlocks::get() as u64 * 10;
}

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

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

	type DisabledValidators = Session;

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

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

	type KeyOwnerProofSystem = Historical;

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

	type WeightInfo = ();

	type MaxAuthorities = MaxAuthorities;
}

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

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

parameter_types! {
	pub const ExistentialDeposit: Balance = EXISTENTIAL_DEPOSIT;
	pub const MaxLocks: u32 = 50;
	pub const MaxReserves: u32 = 50;
}

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

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

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

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

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

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

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

/// Special `ValidatorIdOf` implementation that is just returning the input as result.
pub struct ValidatorIdOf;
impl sp_runtime::traits::Convert<AccountId, Option<AccountId>> for ValidatorIdOf {
	fn convert(a: AccountId) -> Option<AccountId> {
		Some(a)
	}
}

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

pub struct FullIdentificationOf;
impl sp_runtime::traits::Convert<AccountId, Option<()>> for FullIdentificationOf {
	fn convert(_: AccountId) -> Option<()> {
		Some(Default::default())
	}
}

impl pallet_session::historical::Config for Runtime {
	type FullIdentification = ();
	type FullIdentificationOf = FullIdentificationOf;
}

parameter_types! {
	pub const SessionsPerEra: SessionIndex = 6;
	pub const BondingDuration: sp_staking::EraIndex = 28;
}

parameter_types! {
	pub LaunchPeriod: BlockNumber = prod_or_fast!(7 * DAYS, 1, "ROC_LAUNCH_PERIOD");
	pub VotingPeriod: BlockNumber = prod_or_fast!(7 * DAYS, 1 * MINUTES, "ROC_VOTING_PERIOD");
	pub FastTrackVotingPeriod: BlockNumber = prod_or_fast!(3 * HOURS, 1 * MINUTES, "ROC_FAST_TRACK_VOTING_PERIOD");
	pub const MinimumDeposit: Balance = 100 * CENTS;
	pub EnactmentPeriod: BlockNumber = prod_or_fast!(8 * DAYS, 1, "ROC_ENACTMENT_PERIOD");
	pub CooloffPeriod: BlockNumber = prod_or_fast!(7 * DAYS, 1 * MINUTES, "ROC_COOLOFF_PERIOD");
	pub const InstantAllowed: bool = true;
	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 VoteLockingPeriod = 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<AccountId, CouncilCollective, 1, 2>;
	/// A majority can have the next scheduled referendum be a straight majority-carries vote.
	type ExternalMajorityOrigin =
		pallet_collective::EnsureProportionAtLeast<AccountId, CouncilCollective, 1, 2>;
	/// 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 = InstantAllowed;
	type FastTrackVotingPeriod = FastTrackVotingPeriod;
	// To cancel a proposal which has been passed, 2/3 of the council must agree to it.
	type CancellationOrigin = EitherOfDiverse<
		EnsureRoot<AccountId>,
		pallet_collective::EnsureProportionAtLeast<AccountId, CouncilCollective, 2, 3>,
	>;
	type BlacklistOrigin = EnsureRoot<AccountId>;
	// 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>,
	>;
	// 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 = weights::pallet_democracy::WeightInfo<Runtime>;
	type MaxProposals = MaxProposals;
}

parameter_types! {
	pub CouncilMotionDuration: BlockNumber = prod_or_fast!(3 * DAYS, 2 * MINUTES, "ROC_MOTION_DURATION");
	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 = weights::pallet_collective_council::WeightInfo<Runtime>;
}

parameter_types! {
	pub const CandidacyBond: Balance = 100 * CENTS;
	// 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);
	/// Daily council elections
	pub TermDuration: BlockNumber = prod_or_fast!(24 * HOURS, 2 * MINUTES, "ROC_TERM_DURATION");
	pub const DesiredMembers: u32 = 19;
	pub const DesiredRunnersUp: u32 = 19;
	pub const MaxVoters: u32 = 10 * 1000;
	pub const MaxCandidates: u32 = 1000;
	pub const PhragmenElectionPalletId: LockIdentifier = *b"phrelect";
}

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

impl pallet_elections_phragmen::Config for Runtime {
	type Event = Event;
	type Currency = Balances;
	type ChangeMembers = Council;
	type InitializeMembers = Council;
	type CurrencyToVote = frame_support::traits::U128CurrencyToVote;
	type CandidacyBond = CandidacyBond;
	type VotingBondBase = VotingBondBase;
	type VotingBondFactor = VotingBondFactor;
	type LoserCandidate = Treasury;
	type KickedMember = Treasury;
	type DesiredMembers = DesiredMembers;
	type DesiredRunnersUp = DesiredRunnersUp;
	type TermDuration = TermDuration;
	type MaxVoters = MaxVoters;
	type MaxCandidates = MaxCandidates;
	type PalletId = PhragmenElectionPalletId;
	type WeightInfo = weights::pallet_elections_phragmen::WeightInfo<Runtime>;
}

parameter_types! {
	pub TechnicalMotionDuration: BlockNumber = prod_or_fast!(3 * DAYS, 2 * MINUTES, "ROC_MOTION_DURATION");
	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 = weights::pallet_collective_technical_committee::WeightInfo<Runtime>;
}

type MoreThanHalfCouncil = EitherOfDiverse<
	EnsureRoot<AccountId>,
	pallet_collective::EnsureProportionMoreThan<AccountId, CouncilCollective, 1, 2>,
>;

impl pallet_membership::Config<pallet_membership::Instance1> for Runtime {
	type Event = Event;
	type AddOrigin = MoreThanHalfCouncil;
	type RemoveOrigin = MoreThanHalfCouncil;
	type SwapOrigin = MoreThanHalfCouncil;
	type ResetOrigin = MoreThanHalfCouncil;
	type PrimeOrigin = MoreThanHalfCouncil;
	type MembershipInitialized = TechnicalCommittee;
	type MembershipChanged = TechnicalCommittee;
	type MaxMembers = TechnicalMaxMembers;
	type WeightInfo = weights::pallet_membership::WeightInfo<Runtime>;
}

parameter_types! {
	pub const ProposalBond: Permill = Permill::from_percent(5);
	pub const ProposalBondMinimum: Balance = 2000 * CENTS;
	pub const ProposalBondMaximum: Balance = 1 * GRAND;
	pub const SpendPeriod: BlockNumber = 6 * DAYS;
	pub const Burn: Permill = Permill::from_perthousand(2);
	pub const TreasuryPalletId: PalletId = PalletId(*b"py/trsry");

	pub const TipCountdown: BlockNumber = 1 * DAYS;
	pub const TipFindersFee: Percent = Percent::from_percent(20);
	pub const TipReportDepositBase: Balance = 100 * CENTS;
	pub const DataDepositPerByte: Balance = 1 * CENTS;
	pub const MaxApprovals: u32 = 100;
	pub const MaxAuthorities: u32 = 100_000;
	pub const MaxKeys: u32 = 10_000;
	pub const MaxPeerInHeartbeats: u32 = 10_000;
	pub const MaxPeerDataEncodingSize: u32 = 1_000;
}

type ApproveOrigin = EitherOfDiverse<
	EnsureRoot<AccountId>,
	pallet_collective::EnsureProportionAtLeast<AccountId, CouncilCollective, 3, 5>,
>;

impl pallet_treasury::Config for Runtime {
	type PalletId = TreasuryPalletId;
	type Currency = Balances;
	type ApproveOrigin = ApproveOrigin;
	type RejectOrigin = MoreThanHalfCouncil;
	type Event = Event;
	type OnSlash = Treasury;
	type ProposalBond = ProposalBond;
	type ProposalBondMinimum = ProposalBondMinimum;
	type ProposalBondMaximum = ProposalBondMaximum;
	type SpendPeriod = SpendPeriod;
	type Burn = Burn;
	type BurnDestination = Society;
	type MaxApprovals = MaxApprovals;
	type WeightInfo = weights::pallet_treasury::WeightInfo<Runtime>;
	type SpendFunds = Bounties;
	type SpendOrigin = frame_support::traits::NeverEnsureOrigin<Balance>;
}

parameter_types! {
	pub const BountyDepositBase: Balance = 100 * CENTS;
	pub const BountyDepositPayoutDelay: BlockNumber = 4 * DAYS;
	pub const BountyUpdatePeriod: BlockNumber = 90 * DAYS;
	pub const MaximumReasonLength: u32 = 16384;
	pub const CuratorDepositMultiplier: Permill = Permill::from_percent(50);
	pub const CuratorDepositMin: Balance = 10 * CENTS;
	pub const CuratorDepositMax: Balance = 500 * CENTS;
	pub const BountyValueMinimum: Balance = 200 * CENTS;
}

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

parameter_types! {
	pub const MaxActiveChildBountyCount: u32 = 100;
	pub const ChildBountyValueMinimum: Balance = BountyValueMinimum::get() / 10;
}

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

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

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

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

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

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

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

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

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

	type KeyOwnerProofSystem = Historical;

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

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

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

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

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

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

parameter_types! {
	pub Prefix: &'static [u8] = b"Pay ROCs to the Rococo account:";
}

impl claims::Config for Runtime {
	type Event = Event;
	type VestingSchedule = Vesting;
	type Prefix = Prefix;
	type MoveClaimOrigin =
		pallet_collective::EnsureProportionMoreThan<AccountId, CouncilCollective, 1, 2>;
	type WeightInfo = weights::runtime_common_claims::WeightInfo<Runtime>;
}

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

impl pallet_identity::Config for Runtime {
	type Event = Event;
	type Currency = Balances;
	type BasicDeposit = BasicDeposit;
	type FieldDeposit = FieldDeposit;
	type SubAccountDeposit = SubAccountDeposit;
	type MaxSubAccounts = MaxSubAccounts;
	type MaxAdditionalFields = MaxAdditionalFields;
	type MaxRegistrars = MaxRegistrars;
	type Slashed = Treasury;
	type ForceOrigin = MoreThanHalfCouncil;
	type RegistrarOrigin = MoreThanHalfCouncil;
	type WeightInfo = weights::pallet_identity::WeightInfo<Runtime>;
}

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

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

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

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

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

parameter_types! {
	pub const CandidateDeposit: Balance = 1000 * CENTS;
	pub const WrongSideDeduction: Balance = 200 * CENTS;
	pub const MaxStrikes: u32 = 10;
	pub const RotationPeriod: BlockNumber = 7 * DAYS;
	pub const PeriodSpend: Balance = 50000 * CENTS;
	pub const MaxLockDuration: BlockNumber = 36 * 30 * DAYS;
	pub const ChallengePeriod: BlockNumber = 7 * DAYS;
	pub const MaxCandidateIntake: u32 = 1;
	pub const SocietyPalletId: PalletId = PalletId(*b"py/socie");
}

impl pallet_society::Config for Runtime {
	type Event = Event;
	type Currency = Balances;
	type Randomness = pallet_babe::RandomnessFromOneEpochAgo<Runtime>;
	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 ChallengePeriod = ChallengePeriod;
	type MaxCandidateIntake = MaxCandidateIntake;
	type PalletId = SocietyPalletId;
}

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

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

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

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