lib.rs 68.3 KB
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// Copyright 2017-2020 Parity Technologies (UK) Ltd.
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// 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
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// along with Polkadot. If not, see <http://www.gnu.org/licenses/>.
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//! The Kusama runtime. This can be compiled with `#[no_std]`, ready for Wasm.
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#![cfg_attr(not(feature = "std"), no_std)]
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// `construct_runtime!` does a lot of recursion and requires us to increase the limit to 256.
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#![recursion_limit = "256"]
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use pallet_transaction_payment::CurrencyAdapter;
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use sp_std::prelude::*;
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use sp_std::collections::btree_map::BTreeMap;
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use sp_core::u32_trait::{_1, _2, _3, _5};
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use parity_scale_codec::{Encode, Decode, MaxEncodedLen};
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use primitives::v1::{
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	AccountId, AccountIndex, Balance, BlockNumber, CandidateEvent, CommittedCandidateReceipt,
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	CoreState, GroupRotationInfo, Hash, Id as ParaId, Moment, Nonce, OccupiedCoreAssumption,
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	PersistedValidationData, Signature, ValidationCode, ValidationCodeHash, ValidatorId,
	ValidatorIndex, InboundDownwardMessage, InboundHrmpMessage, SessionInfo,
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};
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use runtime_common::{
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	claims, paras_registrar, xcm_sender, slots, auctions, crowdloan,
	SlowAdjustingFeeUpdate, CurrencyToVote, impls::DealWithFees,
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	BlockHashCount, RocksDbWeight, BlockWeights, BlockLength,
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	OffchainSolutionWeightLimit, OffchainSolutionLengthLimit,
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	ToAuthor,
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};
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use runtime_parachains::origin as parachains_origin;
use runtime_parachains::configuration as parachains_configuration;
use runtime_parachains::shared as parachains_shared;
use runtime_parachains::inclusion as parachains_inclusion;
use runtime_parachains::paras_inherent as parachains_paras_inherent;
use runtime_parachains::initializer as parachains_initializer;
use runtime_parachains::session_info as parachains_session_info;
use runtime_parachains::paras as parachains_paras;
use runtime_parachains::dmp as parachains_dmp;
use runtime_parachains::ump as parachains_ump;
use runtime_parachains::hrmp as parachains_hrmp;
use runtime_parachains::scheduler as parachains_scheduler;
use runtime_parachains::reward_points as parachains_reward_points;
use runtime_parachains::runtime_api_impl::v1 as parachains_runtime_api_impl;

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use xcm::v0::{MultiLocation::{self, Null, X1}, NetworkId, BodyId, Xcm, Junction::Parachain};
use xcm::v0::MultiAsset::{self, AllConcreteFungible};
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use xcm_builder::{
	AccountId32Aliases, ChildParachainConvertsVia, SovereignSignedViaLocation, CurrencyAdapter as XcmCurrencyAdapter,
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	ChildParachainAsNative, SignedAccountId32AsNative, ChildSystemParachainAsSuperuser, LocationInverter,
	IsConcrete, FixedWeightBounds, TakeWeightCredit, AllowTopLevelPaidExecutionFrom, AllowUnpaidExecutionFrom,
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	IsChildSystemParachain, UsingComponents, BackingToPlurality, SignedToAccountId32,
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};
use xcm_executor::XcmExecutor;
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use sp_arithmetic::Perquintill;
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use sp_runtime::{
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	create_runtime_str, generic, impl_opaque_keys, ApplyExtrinsicResult, KeyTypeId, Percent,
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	Permill, Perbill,
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	transaction_validity::{TransactionValidity, TransactionSource, TransactionPriority},
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	traits::{
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		BlakeTwo256, Block as BlockT, OpaqueKeys, ConvertInto, AccountIdLookup,
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		Extrinsic as ExtrinsicT, SaturatedConversion, Verify,
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	},
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};
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use sp_version::RuntimeVersion;
use pallet_grandpa::{AuthorityId as GrandpaId, fg_primitives};
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#[cfg(any(feature = "std", test))]
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use sp_version::NativeVersion;
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use sp_core::OpaqueMetadata;
use sp_staking::SessionIndex;
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use frame_support::{
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	parameter_types, construct_runtime, RuntimeDebug, PalletId,
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	traits::{KeyOwnerProofSystem, LockIdentifier, Filter, InstanceFilter, All},
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	weights::Weight,
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};
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use frame_system::{EnsureRoot, EnsureOneOf};
use pallet_im_online::sr25519::AuthorityId as ImOnlineId;
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use authority_discovery_primitives::AuthorityId as AuthorityDiscoveryId;
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use pallet_transaction_payment::{FeeDetails, RuntimeDispatchInfo};
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use pallet_session::historical as session_historical;
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use static_assertions::const_assert;
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use beefy_primitives::crypto::AuthorityId as BeefyId;
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use pallet_mmr_primitives as mmr;
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#[cfg(feature = "std")]
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pub use pallet_staking::StakerStatus;
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#[cfg(any(feature = "std", test))]
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pub use sp_runtime::BuildStorage;
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pub use pallet_timestamp::Call as TimestampCall;
pub use pallet_balances::Call as BalancesCall;
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pub use pallet_election_provider_multi_phase::Call as EPMCall;
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/// Constant values used within the runtime.
pub mod constants;
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use constants::{time::*, currency::*, fee::*};
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// Weights used in the runtime.
mod weights;

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#[cfg(test)]
mod tests;

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

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/// Runtime version (Kusama).
pub const VERSION: RuntimeVersion = RuntimeVersion {
	spec_name: create_runtime_str!("kusama"),
	impl_name: create_runtime_str!("parity-kusama"),
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	authoring_version: 2,
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	spec_version: 9090,
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	impl_version: 0,
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	#[cfg(not(feature = "disable-runtime-api"))]
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	apis: RUNTIME_API_VERSIONS,
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	#[cfg(feature = "disable-runtime-api")]
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	apis: version::create_apis_vec![[]],
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	transaction_version: 5,
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};
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/// 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
	};

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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(),
	}
}

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/// Don't allow swaps until parathread story is more mature.
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pub struct BaseFilter;
impl Filter<Call> for BaseFilter {
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	fn filter(c: &Call) -> bool {
		!matches!(c,
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			Call::Registrar(paras_registrar::Call::swap(..))
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		)
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	}
}

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type MoreThanHalfCouncil = EnsureOneOf<
	AccountId,
	EnsureRoot<AccountId>,
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	pallet_collective::EnsureProportionMoreThan<_1, _2, AccountId, CouncilCollective>
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>;

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parameter_types! {
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	pub const Version: RuntimeVersion = VERSION;
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	pub const SS58Prefix: u8 = 2;
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}

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

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

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type ScheduleOrigin = EnsureOneOf<
	AccountId,
	EnsureRoot<AccountId>,
	pallet_collective::EnsureProportionAtLeast<_1, _2, AccountId, CouncilCollective>
>;

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

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

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impl pallet_babe::Config for Runtime {
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	type EpochDuration = EpochDuration;
	type ExpectedBlockTime = ExpectedBlockTime;
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	// session module is the trigger
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	type EpochChangeTrigger = pallet_babe::ExternalTrigger;
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	type KeyOwnerProof = <Self::KeyOwnerProofSystem as KeyOwnerProofSystem<(
		KeyTypeId,
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		pallet_babe::AuthorityId,
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	)>>::Proof;

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

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	type KeyOwnerProofSystem = Historical;

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	type HandleEquivocation =
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		pallet_babe::EquivocationHandler<Self::KeyOwnerIdentification, Offences, ReportLongevity>;
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	type WeightInfo = ();
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}

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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parameter_types! {
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	// phase durations. 1/4 of the last session for each.
	pub const SignedPhase: u32 = EPOCH_DURATION_IN_SLOTS / 4;
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	pub const UnsignedPhase: u32 = EPOCH_DURATION_IN_SLOTS / 4;
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	// signed config
	pub const SignedMaxSubmissions: u32 = 16;
	pub const SignedDepositBase: Balance = deposit(1, 0);
	// A typical solution occupies within an order of magnitude of 50kb.
	// This formula is currently adjusted such that a typical solution will spend an amount equal
	// to the base deposit for every 50 kb.
	pub const SignedDepositByte: Balance = deposit(1, 0) / (50 * 1024);
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	// Each good submission will get 1/10 KSM as reward
	pub SignedRewardBase: Balance =  UNITS / 10;
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	// fallback: emergency phase.
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	pub const Fallback: pallet_election_provider_multi_phase::FallbackStrategy =
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		pallet_election_provider_multi_phase::FallbackStrategy::Nothing;
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	pub SolutionImprovementThreshold: Perbill = Perbill::from_rational(5u32, 10_000);
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	// miner configs
	pub const MinerMaxIterations: u32 = 10;
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	pub OffchainRepeat: BlockNumber = 5;
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}

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sp_npos_elections::generate_solution_type!(
	#[compact]
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	pub struct NposCompactSolution24::<
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		VoterIndex = u32,
		TargetIndex = u16,
		Accuracy = sp_runtime::PerU16,
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	>(24)
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);

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impl pallet_election_provider_multi_phase::Config for Runtime {
	type Event = Event;
	type Currency = Balances;
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	type EstimateCallFee = TransactionPayment;
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	type UnsignedPhase = UnsignedPhase;
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	type SignedMaxSubmissions = SignedMaxSubmissions;
	type SignedRewardBase = SignedRewardBase;
	type SignedDepositBase = SignedDepositBase;
	type SignedDepositByte = SignedDepositByte;
	type SignedDepositWeight = ();
	type SignedMaxWeight = Self::MinerMaxWeight;
	type SlashHandler = (); // burn slashes
	type RewardHandler = (); // nothing to do upon rewards
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	type SignedPhase = SignedPhase;
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	type SolutionImprovementThreshold = SolutionImprovementThreshold;
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	type MinerMaxIterations = MinerMaxIterations;
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	type MinerMaxWeight = OffchainSolutionWeightLimit; // For now use the one from staking.
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	type MinerMaxLength = OffchainSolutionLengthLimit;
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	type OffchainRepeat = OffchainRepeat;
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	type MinerTxPriority = NposSolutionPriority;
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	type DataProvider = Staking;
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	type CompactSolution = NposCompactSolution24;
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	type OnChainAccuracy = Perbill;
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	type Fallback = Fallback;
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	type BenchmarkingConfig = runtime_common::elections::BenchmarkConfig;
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	type ForceOrigin = EnsureOneOf<
		AccountId,
		EnsureRoot<AccountId>,
		pallet_collective::EnsureProportionAtLeast<_2, _3, AccountId, CouncilCollective>,
	>;
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	type WeightInfo = weights::pallet_election_provider_multi_phase::WeightInfo<Runtime>;
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}

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fn era_payout(
	total_staked: Balance,
	non_gilt_issuance: Balance,
	max_annual_inflation: Perquintill,
	period_fraction: Perquintill,
	auctioned_slots: u64,
) -> (Balance, Balance) {
	use sp_arithmetic::traits::Saturating;
	use pallet_staking_reward_fn::compute_inflation;

	let min_annual_inflation = Perquintill::from_rational(25u64, 1000u64);
	let delta_annual_inflation = max_annual_inflation.saturating_sub(min_annual_inflation);

	// 30% reserved for up to 60 slots.
	let auction_proportion = Perquintill::from_rational(auctioned_slots.min(60), 200u64);

	// Therefore the ideal amount at stake (as a percentage of total issuance) is 75% less the amount that we expect
	// to be taken up with auctions.
	let ideal_stake = Perquintill::from_percent(75)
		.saturating_sub(auction_proportion);

	let stake = Perquintill::from_rational(total_staked, non_gilt_issuance);
	let falloff = Perquintill::from_percent(5);
	let adjustment = compute_inflation(stake, ideal_stake, falloff);
	let staking_inflation = min_annual_inflation.saturating_add(delta_annual_inflation * adjustment);

	let max_payout = period_fraction * max_annual_inflation * non_gilt_issuance;
	let staking_payout = (period_fraction * staking_inflation) * non_gilt_issuance;
	let rest = max_payout.saturating_sub(staking_payout);

	let other_issuance = non_gilt_issuance.saturating_sub(total_staked);
	if total_staked > other_issuance {
		let _cap_rest = Perquintill::from_rational(other_issuance, total_staked) * staking_payout;
		// We don't do anything with this, but if we wanted to, we could introduce a cap on the treasury amount
		// with: `rest = rest.min(cap_rest);`
	}
	(staking_payout, rest)
}

pub struct EraPayout;
impl pallet_staking::EraPayout<Balance> for EraPayout {
	fn era_payout(
		total_staked: Balance,
		_total_issuance: Balance,
		era_duration_millis: u64,
	) -> (Balance, Balance) {
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		// TODO: #3011 Update with proper auctioned slots tracking.
		// This should be fine for the first year of parachains.
		let auctioned_slots: u64 = auctions::Pallet::<Runtime>::auction_counter().into();
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		const MAX_ANNUAL_INFLATION: Perquintill = Perquintill::from_percent(10);
		const MILLISECONDS_PER_YEAR: u64 = 1000 * 3600 * 24 * 36525 / 100;

		era_payout(
			total_staked,
			Gilt::issuance().non_gilt,
			MAX_ANNUAL_INFLATION,
			Perquintill::from_rational(era_duration_millis, MILLISECONDS_PER_YEAR),
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			auctioned_slots,
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		)
	}
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}

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parameter_types! {
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	// Six sessions in an era (6 hours).
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	pub const SessionsPerEra: SessionIndex = 6;
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	// 28 eras for unbonding (7 days).
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	pub const BondingDuration: pallet_staking::EraIndex = 28;
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	// 27 eras in which slashes can be cancelled (slightly less than 7 days).
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	pub const SlashDeferDuration: pallet_staking::EraIndex = 27;
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	pub const MaxNominatorRewardedPerValidator: u32 = 256;
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}
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type SlashCancelOrigin = EnsureOneOf<
	AccountId,
	EnsureRoot<AccountId>,
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	pallet_collective::EnsureProportionAtLeast<_1, _2, AccountId, CouncilCollective>
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>;

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impl pallet_staking::Config for Runtime {
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	const MAX_NOMINATIONS: u32 = <NposCompactSolution24 as sp_npos_elections::CompactSolution>::LIMIT as u32;
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	type Currency = Balances;
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	type UnixTime = Timestamp;
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	type CurrencyToVote = CurrencyToVote;
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	type ElectionProvider = ElectionProviderMultiPhase;
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	type GenesisElectionProvider =
		frame_election_provider_support::onchain::OnChainSequentialPhragmen<
			pallet_election_provider_multi_phase::OnChainConfig<Self>
		>;
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	type RewardRemainder = Treasury;
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	type Event = Event;
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	type Slash = Treasury;
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	type Reward = ();
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	type SessionsPerEra = SessionsPerEra;
	type BondingDuration = BondingDuration;
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	type SlashDeferDuration = SlashDeferDuration;
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	// A majority of the council or root can cancel the slash.
	type SlashCancelOrigin = SlashCancelOrigin;
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	type SessionInterface = Self;
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	type EraPayout = EraPayout;
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	type NextNewSession = Session;
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	type MaxNominatorRewardedPerValidator = MaxNominatorRewardedPerValidator;
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	type WeightInfo = weights::pallet_staking::WeightInfo<Runtime>;
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}

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parameter_types! {
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	pub const LaunchPeriod: BlockNumber = 7 * DAYS;
	pub const VotingPeriod: BlockNumber = 7 * DAYS;
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	pub const FastTrackVotingPeriod: BlockNumber = 3 * HOURS;
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	pub const MinimumDeposit: Balance = 100 * CENTS;
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	pub const EnactmentPeriod: BlockNumber = 8 * DAYS;
	pub const CooloffPeriod: BlockNumber = 7 * DAYS;
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	// One cent: $10,000 / MB
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	pub const PreimageByteDeposit: Balance = 10 * MILLICENTS;
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	pub const InstantAllowed: bool = true;
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	pub const MaxVotes: u32 = 100;
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	pub const MaxProposals: u32 = 100;
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}

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impl pallet_democracy::Config for Runtime {
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	type Proposal = Call;
	type Event = Event;
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	type Currency = Balances;
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	type EnactmentPeriod = EnactmentPeriod;
	type LaunchPeriod = LaunchPeriod;
	type VotingPeriod = VotingPeriod;
	type MinimumDeposit = MinimumDeposit;
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	/// A straight majority of the council can decide what their next motion is.
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	type ExternalOrigin = pallet_collective::EnsureProportionAtLeast<_1, _2, AccountId, CouncilCollective>;
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	/// A majority can have the next scheduled referendum be a straight majority-carries vote.
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	type ExternalMajorityOrigin = pallet_collective::EnsureProportionAtLeast<_1, _2, AccountId, CouncilCollective>;
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	/// A unanimous council can have the next scheduled referendum be a straight default-carries
	/// (NTB) vote.
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	type ExternalDefaultOrigin = pallet_collective::EnsureProportionAtLeast<_1, _1, AccountId, CouncilCollective>;
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	/// Two thirds of the technical committee can have an `ExternalMajority/ExternalDefault` vote
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	/// be tabled immediately and with a shorter voting/enactment period.
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	type FastTrackOrigin = pallet_collective::EnsureProportionAtLeast<_2, _3, AccountId, TechnicalCollective>;
	type InstantOrigin = pallet_collective::EnsureProportionAtLeast<_1, _1, AccountId, TechnicalCollective>;
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	type InstantAllowed = InstantAllowed;
	type FastTrackVotingPeriod = FastTrackVotingPeriod;
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	// To cancel a proposal which has been passed, 2/3 of the council must agree to it.
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	type CancellationOrigin = EnsureOneOf<
		AccountId,
		EnsureRoot<AccountId>,
		pallet_collective::EnsureProportionAtLeast<_2, _3, AccountId, CouncilCollective>,
	>;
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	type BlacklistOrigin = EnsureRoot<AccountId>;
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	// 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>,
	>;
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	// 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.
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	type VetoOrigin = pallet_collective::EnsureMember<AccountId, TechnicalCollective>;
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	type CooloffPeriod = CooloffPeriod;
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	type PreimageByteDeposit = PreimageByteDeposit;
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	type OperationalPreimageOrigin = pallet_collective::EnsureMember<AccountId, CouncilCollective>;
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	type Slash = Treasury;
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	type Scheduler = Scheduler;
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	type PalletsOrigin = OriginCaller;
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	type MaxVotes = MaxVotes;
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	type WeightInfo = weights::pallet_democracy::WeightInfo<Runtime>;
	type MaxProposals = MaxProposals;
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}
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parameter_types! {
	pub const CouncilMotionDuration: BlockNumber = 3 * DAYS;
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	pub const CouncilMaxProposals: u32 = 100;
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	pub const CouncilMaxMembers: u32 = 100;
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}

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

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parameter_types! {
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	pub const CandidacyBond: Balance = 100 * CENTS;
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	// 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
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	pub const TermDuration: BlockNumber = 24 * HOURS;
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	pub const DesiredMembers: u32 = 19;
	pub const DesiredRunnersUp: u32 = 19;
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	pub const PhragmenElectionPalletId: LockIdentifier = *b"phrelect";
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}
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// Make sure that there are no more than MaxMembers members elected via phragmen.
const_assert!(DesiredMembers::get() <= CouncilMaxMembers::get());
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impl pallet_elections_phragmen::Config for Runtime {
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	type Event = Event;
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	type Currency = Balances;
	type ChangeMembers = Council;
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	type InitializeMembers = Council;
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	type CurrencyToVote = frame_support::traits::U128CurrencyToVote;
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	type CandidacyBond = CandidacyBond;
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	type VotingBondBase = VotingBondBase;
	type VotingBondFactor = VotingBondFactor;
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	type LoserCandidate = Treasury;
	type KickedMember = Treasury;
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	type DesiredMembers = DesiredMembers;
	type DesiredRunnersUp = DesiredRunnersUp;
	type TermDuration = TermDuration;
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	type PalletId = PhragmenElectionPalletId;
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	type WeightInfo = weights::pallet_elections_phragmen::WeightInfo<Runtime>;
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}

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parameter_types! {
	pub const TechnicalMotionDuration: BlockNumber = 3 * DAYS;
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	pub const TechnicalMaxProposals: u32 = 100;
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	pub const TechnicalMaxMembers: u32 = 100;
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}

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

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

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parameter_types! {
	pub const ProposalBond: Permill = Permill::from_percent(5);
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	pub const ProposalBondMinimum: Balance = 2000 * CENTS;
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	pub const SpendPeriod: BlockNumber = 6 * DAYS;
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	pub const Burn: Permill = Permill::from_perthousand(2);
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	pub const TreasuryPalletId: PalletId = PalletId(*b"py/trsry");
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	pub const TipCountdown: BlockNumber = 1 * DAYS;
	pub const TipFindersFee: Percent = Percent::from_percent(20);
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	pub const TipReportDepositBase: Balance = 100 * CENTS;
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	pub const DataDepositPerByte: Balance = 1 * CENTS;
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	pub const BountyDepositBase: Balance = 100 * CENTS;
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	pub const BountyDepositPayoutDelay: BlockNumber = 4 * DAYS;
	pub const BountyUpdatePeriod: BlockNumber = 90 * DAYS;
	pub const MaximumReasonLength: u32 = 16384;
	pub const BountyCuratorDeposit: Permill = Permill::from_percent(50);
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	pub const BountyValueMinimum: Balance = 200 * CENTS;
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	pub const MaxApprovals: u32 = 100;
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}

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type ApproveOrigin = EnsureOneOf<
	AccountId,
	EnsureRoot<AccountId>,
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	pallet_collective::EnsureProportionAtLeast<_3, _5, AccountId, CouncilCollective>
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>;

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

impl pallet_bounties::Config for Runtime {
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	type BountyDepositBase = BountyDepositBase;
	type BountyDepositPayoutDelay = BountyDepositPayoutDelay;
	type BountyUpdatePeriod = BountyUpdatePeriod;
	type BountyCuratorDeposit = BountyCuratorDeposit;
	type BountyValueMinimum = BountyValueMinimum;
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	type DataDepositPerByte = DataDepositPerByte;
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	type Event = Event;
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	type MaximumReasonLength = MaximumReasonLength;
	type WeightInfo = weights::pallet_bounties::WeightInfo<Runtime>;
}

impl pallet_tips::Config for Runtime {
	type MaximumReasonLength = MaximumReasonLength;
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	type DataDepositPerByte = DataDepositPerByte;
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	type Tippers = PhragmenElection;
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	type TipCountdown = TipCountdown;
	type TipFindersFee = TipFindersFee;
	type TipReportDepositBase = TipReportDepositBase;
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	type Event = Event;
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	type WeightInfo = weights::pallet_tips::WeightInfo<Runtime>;
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}
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impl pallet_offences::Config for Runtime {
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	type Event = Event;
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	type IdentificationTuple = pallet_session::historical::IdentificationTuple<Self>;
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	type OnOffenceHandler = Staking;
}

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impl pallet_authority_discovery::Config for Runtime {}
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parameter_types! {
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	pub NposSolutionPriority: TransactionPriority =
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		Perbill::from_percent(90) * TransactionPriority::max_value();
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	pub const ImOnlineUnsignedPriority: TransactionPriority = TransactionPriority::max_value();
}

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

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

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

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

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	type KeyOwnerProofSystem = Historical;

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	type HandleEquivocation =
		pallet_grandpa::EquivocationHandler<Self::KeyOwnerIdentification, Offences, ReportLongevity>;
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	type WeightInfo = ();
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}

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/// Submits transaction with the node's public and signature type. Adheres to the signed extension
/// format of the chain.
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impl<LocalCall> frame_system::offchain::CreateSignedTransaction<LocalCall> for Runtime where
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	Call: From<LocalCall>,
{
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	fn create_transaction<C: frame_system::offchain::AppCrypto<Self::Public, Self::Signature>>(
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