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lib.rs
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// Copyright (C) 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 = "512"]
use pallet_transaction_payment::FungibleAdapter;
use polkadot_runtime_common::{
auctions, claims, crowdloan, identity_migrator, impl_runtime_weights,
impls::{
DealWithFees, LocatableAssetConverter, VersionedLocatableAsset, VersionedLocationConverter,
},
paras_registrar, prod_or_fast, slots, BlockHashCount, BlockLength, CurrencyToVote,
SlowAdjustingFeeUpdate,
};
use runtime_parachains::{
assigner_parachains as parachains_assigner_parachains,
configuration as parachains_configuration,
configuration::ActiveConfigHrmpChannelSizeAndCapacityRatio,
disputes as parachains_disputes,
disputes::slashing as parachains_slashing,
dmp as parachains_dmp, hrmp as parachains_hrmp, inclusion as parachains_inclusion,
inclusion::{AggregateMessageOrigin, UmpQueueId},
initializer as parachains_initializer, origin as parachains_origin, paras as parachains_paras,
paras_inherent as parachains_paras_inherent, reward_points as parachains_reward_points,
runtime_api_impl::{
v10 as parachains_runtime_api_impl, vstaging as parachains_vstaging_api_impl,
},
scheduler as parachains_scheduler, session_info as parachains_session_info,
shared as parachains_shared,
};
use authority_discovery_primitives::AuthorityId as AuthorityDiscoveryId;
use beefy_primitives::{
ecdsa_crypto::{AuthorityId as BeefyId, Signature as BeefySignature},
mmr::{BeefyDataProvider, MmrLeafVersion},
};
use codec::{Decode, Encode, MaxEncodedLen};
use frame_election_provider_support::{
bounds::ElectionBoundsBuilder, generate_solution_type, onchain, SequentialPhragmen,
};
use frame_support::{
construct_runtime,
genesis_builder_helper::{build_state, get_preset},
parameter_types,
traits::{
fungible::HoldConsideration, ConstU32, Contains, EitherOf, EitherOfDiverse, EverythingBut,
Get, InstanceFilter, KeyOwnerProofSystem, LinearStoragePrice, PrivilegeCmp, ProcessMessage,
ProcessMessageError, WithdrawReasons,
},
weights::{ConstantMultiplier, WeightMeter, WeightToFee as _},
PalletId,
};
use frame_system::EnsureRoot;
use pallet_grandpa::{fg_primitives, AuthorityId as GrandpaId};
use pallet_identity::legacy::IdentityInfo;
use pallet_session::historical as session_historical;
use pallet_transaction_payment::{FeeDetails, RuntimeDispatchInfo};
use polkadot_primitives::{
slashing, AccountId, AccountIndex, ApprovalVotingParams, Balance, BlockNumber, CandidateEvent,
CandidateHash, CommittedCandidateReceipt, CoreIndex, CoreState, DisputeState, ExecutorParams,
GroupRotationInfo, Hash, Id as ParaId, InboundDownwardMessage, InboundHrmpMessage, Moment,
NodeFeatures, Nonce, OccupiedCoreAssumption, PersistedValidationData, ScrapedOnChainVotes,
SessionInfo, Signature, ValidationCode, ValidationCodeHash, ValidatorId, ValidatorIndex,
LOWEST_PUBLIC_ID, PARACHAIN_KEY_TYPE_ID,
};
use sp_core::{OpaqueMetadata, H256};
use sp_runtime::{
create_runtime_str,
curve::PiecewiseLinear,
generic, impl_opaque_keys,
traits::{
AccountIdLookup, BlakeTwo256, Block as BlockT, ConvertInto, Extrinsic as ExtrinsicT,
IdentityLookup, Keccak256, OpaqueKeys, SaturatedConversion, Verify,
},
transaction_validity::{TransactionPriority, TransactionSource, TransactionValidity},
ApplyExtrinsicResult, FixedU128, KeyTypeId, Perbill, Percent, Permill, RuntimeDebug,
};
use sp_staking::SessionIndex;
use sp_std::{
cmp::Ordering,
collections::{btree_map::BTreeMap, vec_deque::VecDeque},
prelude::*,
};
#[cfg(any(feature = "std", test))]
use sp_version::NativeVersion;
use sp_version::RuntimeVersion;
use xcm::prelude::*;
use xcm_builder::PayOverXcm;
use xcm_fee_payment_runtime_api::{
dry_run::{CallDryRunEffects, Error as XcmDryRunApiError, XcmDryRunEffects},
fees::Error as XcmPaymentApiError,
};
pub use frame_system::Call as SystemCall;
pub use pallet_balances::Call as BalancesCall;
pub use pallet_election_provider_multi_phase::{Call as EPMCall, GeometricDepositBase};
use pallet_staking::UseValidatorsMap;
pub use pallet_timestamp::Call as TimestampCall;
#[cfg(any(feature = "std", test))]
pub use sp_runtime::BuildStorage;
/// Constant values used within the runtime.
use polkadot_runtime_constants::{currency::*, fee::*, time::*, TREASURY_PALLET_ID};
// Weights used in the runtime.
mod weights;
mod bag_thresholds;
// Genesis preset configurations.
pub mod genesis_config_presets;
// Governance configurations.
pub mod governance;
use governance::{
pallet_custom_origins, AuctionAdmin, FellowshipAdmin, GeneralAdmin, LeaseAdmin, StakingAdmin,
Treasurer, TreasurySpender,
};
pub mod impls;
pub mod xcm_config;
use impls::ToParachainIdentityReaper;
#[cfg(not(feature = "runtime-benchmarks"))]
use frame_system::EnsureSigned;
pub const LOG_TARGET: &str = "runtime::polkadot";
impl_runtime_weights!(polkadot_runtime_constants);
// Make the WASM binary available.
#[cfg(feature = "std")]
include!(concat!(env!("OUT_DIR"), "/wasm_binary.rs"));
// Polkadot version identifier;
/// Runtime version (Polkadot).
#[sp_version::runtime_version]
pub const VERSION: RuntimeVersion = RuntimeVersion {
spec_name: create_runtime_str!("polkadot"),
impl_name: create_runtime_str!("parity-polkadot"),
authoring_version: 0,
spec_version: 1_002_008,
impl_version: 0,
apis: RUNTIME_API_VERSIONS,
transaction_version: 26,
state_version: 1,
};
/// 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() }
}
parameter_types! {
pub const Version: RuntimeVersion = VERSION;
pub const SS58Prefix: u8 = 0;
}
/// A type to identify calls to the Identity pallet. These will be filtered to prevent invocation,
/// locking the state of the pallet and preventing further updates to identities and sub-identities.
/// The locked state will be the genesis state of a new system chain and then removed from the Relay
/// Chain.
pub struct IsIdentityCall;
impl Contains<RuntimeCall> for IsIdentityCall {
fn contains(c: &RuntimeCall) -> bool {
matches!(c, RuntimeCall::Identity(_))
}
}
impl frame_system::Config for Runtime {
type BaseCallFilter = EverythingBut<IsIdentityCall>;
type BlockWeights = BlockWeights;
type BlockLength = BlockLength;
type RuntimeOrigin = RuntimeOrigin;
type RuntimeCall = RuntimeCall;
type Nonce = Nonce;
type Hash = Hash;
type Hashing = BlakeTwo256;
type AccountId = AccountId;
type Lookup = AccountIdLookup<AccountId, ()>;
type Block = Block;
type RuntimeEvent = RuntimeEvent;
type RuntimeTask = RuntimeTask;
type BlockHashCount = BlockHashCount;
type DbWeight = RocksDbWeight;
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>;
type SingleBlockMigrations = ();
type MultiBlockMigrator = ();
type PreInherents = ();
type PostInherents = ();
type PostTransactions = ();
}
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);
}
/// 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),
// For every other origin we don't care, as they are not used for `ScheduleOrigin`.
_ => None,
}
}
}
impl pallet_scheduler::Config for Runtime {
type RuntimeOrigin = RuntimeOrigin;
type RuntimeEvent = RuntimeEvent;
type PalletsOrigin = OriginCaller;
type RuntimeCall = RuntimeCall;
type MaximumWeight = MaximumSchedulerWeight;
// The goal of having ScheduleOrigin include AuctionAdmin is to allow the auctions track of
// OpenGov to schedule periodic auctions.
// Also allow Treasurer to schedule recurring payments.
type ScheduleOrigin = EitherOf<EitherOf<EnsureRoot<AccountId>, AuctionAdmin>, Treasurer>;
type MaxScheduledPerBlock = MaxScheduledPerBlock;
type WeightInfo = weights::pallet_scheduler::WeightInfo<Runtime>;
type OriginPrivilegeCmp = OriginPrivilegeCmp;
type Preimages = Preimage;
}
parameter_types! {
pub const PreimageBaseDeposit: Balance = deposit(2, 64);
pub const PreimageByteDeposit: Balance = deposit(0, 1);
pub const PreimageHoldReason: RuntimeHoldReason =
RuntimeHoldReason::Preimage(pallet_preimage::HoldReason::Preimage);
}
impl pallet_preimage::Config for Runtime {
type WeightInfo = weights::pallet_preimage::WeightInfo<Runtime>;
type RuntimeEvent = RuntimeEvent;
type Currency = Balances;
type ManagerOrigin = EnsureRoot<AccountId>;
type Consideration = HoldConsideration<
AccountId,
Balances,
PreimageHoldReason,
LinearStoragePrice<PreimageBaseDeposit, PreimageByteDeposit, Balance>,
>;
}
parameter_types! {
pub EpochDuration: u64 = prod_or_fast!(
EPOCH_DURATION_IN_SLOTS as u64,
2 * MINUTES as u64,
"DOT_EPOCH_DURATION"
);
pub const ExpectedBlockTime: Moment = MILLISECS_PER_BLOCK;
pub ReportLongevity: u64 =
BondingDuration::get() as u64 * SessionsPerEra::get() as u64 * EpochDuration::get();
}
impl pallet_babe::Config for Runtime {
type EpochDuration = EpochDuration;
type ExpectedBlockTime = ExpectedBlockTime;
// session module is the trigger
type EpochChangeTrigger = pallet_babe::ExternalTrigger;
type DisabledValidators = Session;
type WeightInfo = ();
type MaxAuthorities = MaxAuthorities;
type MaxNominators = MaxNominators;
type KeyOwnerProof =
<Historical as KeyOwnerProofSystem<(KeyTypeId, pallet_babe::AuthorityId)>>::Proof;
type EquivocationReportSystem =
pallet_babe::EquivocationReportSystem<Self, Offences, Historical, ReportLongevity>;
}
parameter_types! {
pub const IndexDeposit: Balance = 10 * DOLLARS;
}
impl pallet_indices::Config for Runtime {
type AccountIndex = AccountIndex;
type Currency = Balances;
type Deposit = IndexDeposit;
type RuntimeEvent = RuntimeEvent;
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 RuntimeEvent = RuntimeEvent;
type ExistentialDeposit = ExistentialDeposit;
type AccountStore = System;
type MaxLocks = MaxLocks;
type MaxReserves = MaxReserves;
type ReserveIdentifier = [u8; 8];
type WeightInfo = weights::pallet_balances::WeightInfo<Runtime>;
type RuntimeHoldReason = RuntimeHoldReason;
type RuntimeFreezeReason = RuntimeFreezeReason;
type FreezeIdentifier = RuntimeFreezeReason;
type MaxFreezes = ConstU32<8>;
}
parameter_types! {
pub BeefySetIdSessionEntries: u32 = BondingDuration::get() * SessionsPerEra::get();
}
impl pallet_beefy::Config for Runtime {
type BeefyId = BeefyId;
type MaxAuthorities = MaxAuthorities;
type MaxNominators = MaxNominators;
type MaxSetIdSessionEntries = BeefySetIdSessionEntries;
type OnNewValidatorSet = BeefyMmrLeaf;
type WeightInfo = ();
type KeyOwnerProof = <Historical as KeyOwnerProofSystem<(KeyTypeId, BeefyId)>>::Proof;
type EquivocationReportSystem =
pallet_beefy::EquivocationReportSystem<Self, Offences, Historical, ReportLongevity>;
}
impl pallet_mmr::Config for Runtime {
const INDEXING_PREFIX: &'static [u8] = mmr::INDEXING_PREFIX;
type Hashing = Keccak256;
type OnNewRoot = pallet_beefy_mmr::DepositBeefyDigest<Runtime>;
type WeightInfo = ();
type LeafData = pallet_beefy_mmr::Pallet<Runtime>;
type BlockHashProvider = pallet_mmr::DefaultBlockHashProvider<Runtime>;
}
/// MMR helper types.
mod mmr {
use super::Runtime;
pub use pallet_mmr::primitives::*;
pub type Leaf = <<Runtime as pallet_mmr::Config>::LeafData as LeafDataProvider>::LeafData;
pub type Hashing = <Runtime as pallet_mmr::Config>::Hashing;
pub type Hash = <Hashing as sp_runtime::traits::Hash>::Output;
}
parameter_types! {
/// Version of the produced MMR leaf.
///
/// The version consists of two parts;
/// - `major` (3 bits)
/// - `minor` (5 bits)
///
/// `major` should be updated only if decoding the previous MMR Leaf format from the payload
/// is not possible (i.e. backward incompatible change).
/// `minor` should be updated if fields are added to the previous MMR Leaf, which given SCALE
/// encoding does not prevent old leafs from being decoded.
///
/// Hence we expect `major` to be changed really rarely (think never).
/// See [`MmrLeafVersion`] type documentation for more details.
pub LeafVersion: MmrLeafVersion = MmrLeafVersion::new(0, 0);
}
/// A BEEFY data provider that merkelizes all the parachain heads at the current block
/// (sorted by their parachain id).
pub struct ParaHeadsRootProvider;
impl BeefyDataProvider<H256> for ParaHeadsRootProvider {
fn extra_data() -> H256 {
let mut para_heads: Vec<(u32, Vec<u8>)> = parachains_paras::Parachains::<Runtime>::get()
.into_iter()
.filter_map(|id| {
parachains_paras::Heads::<Runtime>::get(id).map(|head| (id.into(), head.0))
})
.collect();
para_heads.sort_by_key(|k| k.0);
binary_merkle_tree::merkle_root::<mmr::Hashing, _>(
para_heads.into_iter().map(|pair| pair.encode()),
)
}
}
impl pallet_beefy_mmr::Config for Runtime {
type LeafVersion = LeafVersion;
type BeefyAuthorityToMerkleLeaf = pallet_beefy_mmr::BeefyEcdsaToEthereum;
type LeafExtra = H256;
type BeefyDataProvider = ParaHeadsRootProvider;
}
parameter_types! {
pub const TransactionByteFee: Balance = polkadot_runtime_constants::fee::TRANSACTION_BYTE_FEE;
/// 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 RuntimeEvent = RuntimeEvent;
type OnChargeTransaction = FungibleAdapter<Balances, DealWithFees<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>;
}
impl pallet_authorship::Config for Runtime {
type FindAuthor = pallet_session::FindAccountFromAuthorIndex<Self, Babe>;
type EventHandler = Staking;
}
impl_opaque_keys! {
pub struct SessionKeys {
pub grandpa: Grandpa,
pub babe: Babe,
pub para_validator: Initializer,
pub para_assignment: ParaSessionInfo,
pub authority_discovery: AuthorityDiscovery,
pub beefy: Beefy,
}
}
impl pallet_session::Config for Runtime {
type RuntimeEvent = RuntimeEvent;
type ValidatorId = AccountId;
type ValidatorIdOf = pallet_staking::StashOf<Self>;
type ShouldEndSession = Babe;
type NextSessionRotation = Babe;
type SessionManager = pallet_session::historical::NoteHistoricalRoot<Self, Staking>;
type SessionHandler = <SessionKeys as OpaqueKeys>::KeyTypeIdProviders;
type Keys = SessionKeys;
type WeightInfo = weights::pallet_session::WeightInfo<Runtime>;
}
impl pallet_session::historical::Config for Runtime {
type FullIdentification = pallet_staking::Exposure<AccountId, Balance>;
type FullIdentificationOf = pallet_staking::ExposureOf<Runtime>;
}
parameter_types! {
// phase durations. 1/4 of the last session for each.
// in testing: 1min or half of the session for each
pub SignedPhase: u32 = prod_or_fast!(
EPOCH_DURATION_IN_SLOTS / 4,
MINUTES.min(EpochDuration::get().saturated_into::<u32>() / 2),
"DOT_SIGNED_PHASE"
);
pub UnsignedPhase: u32 = prod_or_fast!(
EPOCH_DURATION_IN_SLOTS / 4,
MINUTES.min(EpochDuration::get().saturated_into::<u32>() / 2),
"DOT_UNSIGNED_PHASE"
);
// signed config
pub const SignedMaxSubmissions: u32 = 16;
pub const SignedMaxRefunds: u32 = 16 / 4;
pub const SignedFixedDeposit: Balance = deposit(2, 0);
pub const SignedDepositIncreaseFactor: Percent = Percent::from_percent(10);
// 0.01 DOT per KB of solution data.
pub const SignedDepositByte: Balance = deposit(0, 10) / 1024;
// Each good submission will get 1 DOT as reward
pub SignedRewardBase: Balance = UNITS;
// 4 hour session, 1 hour unsigned phase, 32 offchain executions.
pub OffchainRepeat: BlockNumber = UnsignedPhase::get() / 32;
pub const MaxElectingVoters: u32 = 22_500;
/// We take the top 22500 nominators as electing voters and all of the validators as electable
/// targets. Whilst this is the case, we cannot and shall not increase the size of the
/// validator intentions.
pub ElectionBounds: frame_election_provider_support::bounds::ElectionBounds =
ElectionBoundsBuilder::default().voters_count(MaxElectingVoters::get().into()).build();
/// Setup election pallet to support maximum winners upto 1200. This will mean Staking Pallet
/// cannot have active validators higher than this count.
pub const MaxActiveValidators: u32 = 1200;
}
generate_solution_type!(
#[compact]
pub struct NposCompactSolution16::<
VoterIndex = u32,
TargetIndex = u16,
Accuracy = sp_runtime::PerU16,
MaxVoters = MaxElectingVoters,
>(16)
);
pub struct OnChainSeqPhragmen;
impl onchain::Config for OnChainSeqPhragmen {
type System = Runtime;
type Solver =
SequentialPhragmen<AccountId, polkadot_runtime_common::elections::OnChainAccuracy>;
type DataProvider = Staking;
type WeightInfo = weights::frame_election_provider_support::WeightInfo<Runtime>;
type MaxWinners = MaxActiveValidators;
type Bounds = ElectionBounds;
}
impl pallet_election_provider_multi_phase::MinerConfig for Runtime {
type AccountId = AccountId;
type MaxLength = OffchainSolutionLengthLimit;
type MaxWeight = OffchainSolutionWeightLimit;
type Solution = NposCompactSolution16;
type MaxVotesPerVoter = <
<Self as pallet_election_provider_multi_phase::Config>::DataProvider
as
frame_election_provider_support::ElectionDataProvider
>::MaxVotesPerVoter;
type MaxWinners = MaxActiveValidators;
// The unsigned submissions have to respect the weight of the submit_unsigned call, thus their
// weight estimate function is wired to this call's weight.
fn solution_weight(v: u32, t: u32, a: u32, d: u32) -> Weight {
<
<Self as pallet_election_provider_multi_phase::Config>::WeightInfo
as
pallet_election_provider_multi_phase::WeightInfo
>::submit_unsigned(v, t, a, d)
}
}
impl pallet_election_provider_multi_phase::Config for Runtime {
type RuntimeEvent = RuntimeEvent;
type Currency = Balances;
type EstimateCallFee = TransactionPayment;
type SignedPhase = SignedPhase;
type UnsignedPhase = UnsignedPhase;
type SignedMaxSubmissions = SignedMaxSubmissions;
type SignedMaxRefunds = SignedMaxRefunds;
type SignedRewardBase = SignedRewardBase;
type SignedDepositBase =
GeometricDepositBase<Balance, SignedFixedDeposit, SignedDepositIncreaseFactor>;
type SignedDepositByte = SignedDepositByte;
type SignedDepositWeight = ();
type SignedMaxWeight =
<Self::MinerConfig as pallet_election_provider_multi_phase::MinerConfig>::MaxWeight;
type MinerConfig = Self;
type SlashHandler = (); // burn slashes
type RewardHandler = (); // nothing to do upon rewards
type BetterSignedThreshold = ();
type OffchainRepeat = OffchainRepeat;
type MinerTxPriority = NposSolutionPriority;
type DataProvider = Staking;
#[cfg(any(feature = "fast-runtime", feature = "runtime-benchmarks"))]
type Fallback = onchain::OnChainExecution<OnChainSeqPhragmen>;
#[cfg(not(any(feature = "fast-runtime", feature = "runtime-benchmarks")))]
type Fallback = frame_election_provider_support::NoElection<(
AccountId,
BlockNumber,
Staking,
MaxActiveValidators,
)>;
type GovernanceFallback = onchain::OnChainExecution<OnChainSeqPhragmen>;
type Solver = SequentialPhragmen<
AccountId,
pallet_election_provider_multi_phase::SolutionAccuracyOf<Self>,
(),
>;
type BenchmarkingConfig = polkadot_runtime_common::elections::BenchmarkConfig;
type ForceOrigin = EitherOf<EnsureRoot<Self::AccountId>, StakingAdmin>;
type WeightInfo = weights::pallet_election_provider_multi_phase::WeightInfo<Self>;
type MaxWinners = MaxActiveValidators;
type ElectionBounds = ElectionBounds;
}
parameter_types! {
pub const BagThresholds: &'static [u64] = &bag_thresholds::THRESHOLDS;
}
type VoterBagsListInstance = pallet_bags_list::Instance1;
impl pallet_bags_list::Config<VoterBagsListInstance> for Runtime {
type RuntimeEvent = RuntimeEvent;
type ScoreProvider = Staking;
type WeightInfo = weights::pallet_bags_list::WeightInfo<Runtime>;
type BagThresholds = BagThresholds;
type Score = sp_npos_elections::VoteWeight;
}
// TODO #6469: This shouldn't be static, but a lazily cached value, not built unless needed, and
// re-built in case input parameters have changed. The `ideal_stake` should be determined by the
// amount of parachain slots being bid on: this should be around `(75 - 25.min(slots / 4))%`.
pallet_staking_reward_curve::build! {
const REWARD_CURVE: PiecewiseLinear<'static> = curve!(
min_inflation: 0_025_000,
max_inflation: 0_100_000,
// 3:2:1 staked : parachains : float.
// while there's no parachains, then this is 75% staked : 25% float.
ideal_stake: 0_750_000,
falloff: 0_050_000,
max_piece_count: 40,
test_precision: 0_005_000,
);
}
parameter_types! {
// Six sessions in an era (24 hours).
pub const SessionsPerEra: SessionIndex = prod_or_fast!(6, 1);
// 28 eras for unbonding (28 days).
pub BondingDuration: sp_staking::EraIndex = prod_or_fast!(
28,
28,
"DOT_BONDING_DURATION"
);
pub SlashDeferDuration: sp_staking::EraIndex = prod_or_fast!(
27,
27,
"DOT_SLASH_DEFER_DURATION"
);
pub const RewardCurve: &'static PiecewiseLinear<'static> = &REWARD_CURVE;
pub const MaxExposurePageSize: u32 = 512;
// Note: this is not really correct as Max Nominators is (MaxExposurePageSize * page_count) but
// this is an unbounded number. We just set it to a reasonably high value, 1 full page
// of nominators.
pub const MaxNominators: u32 = 512;
pub const OffendingValidatorsThreshold: Perbill = Perbill::from_percent(17);
// 16
pub const MaxNominations: u32 = <NposCompactSolution16 as frame_election_provider_support::NposSolution>::LIMIT as u32;
}
/// Custom version of `runtime_commong::era_payout` somewhat tailored for Polkadot's crowdloan
/// unlock history. The only tweak should be
///
/// ```diff
/// - let auction_proportion = Perquintill::from_rational(auctioned_slots.min(60), 200u64);
/// + let auction_proportion = Perquintill::from_rational(auctioned_slots.min(60), 300u64);
/// ```
///
/// See <https://forum.polkadot.network/t/adjusting-polkadots-ideal-staking-rate-calculation/3897>.
fn polkadot_era_payout(
total_staked: Balance,
total_stakable: Balance,
max_annual_inflation: Perquintill,
period_fraction: Perquintill,
auctioned_slots: u64,
) -> (Balance, Balance) {
use pallet_staking_reward_fn::compute_inflation;
use sp_runtime::traits::Saturating;
let min_annual_inflation = Perquintill::from_rational(25u64, 1000u64);
let delta_annual_inflation = max_annual_inflation.saturating_sub(min_annual_inflation);
// 20% reserved for up to 60 slots.
let auction_proportion = Perquintill::from_rational(auctioned_slots.min(60), 300u64);
// 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, total_stakable);
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 * total_stakable;
let staking_payout = (period_fraction * staking_inflation) * total_stakable;
let rest = max_payout.saturating_sub(staking_payout);
let other_issuance = total_stakable.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) {
// all para-ids that are not active.
let auctioned_slots = parachains_paras::Parachains::<Runtime>::get()
.into_iter()
// all active para-ids that do not belong to a system chain is the number
// of parachains that we should take into account for inflation.
.filter(|i| *i >= LOWEST_PUBLIC_ID)
.count() as u64;
const MAX_ANNUAL_INFLATION: Perquintill = Perquintill::from_percent(10);
const MILLISECONDS_PER_YEAR: u64 = 1000 * 3600 * 24 * 36525 / 100;
polkadot_era_payout(
total_staked,
total_issuance,
MAX_ANNUAL_INFLATION,
Perquintill::from_rational(era_duration_millis, MILLISECONDS_PER_YEAR),
auctioned_slots,
)
}
}
impl pallet_staking::Config for Runtime {
type Currency = Balances;
type CurrencyBalance = Balance;
type UnixTime = Timestamp;
type CurrencyToVote = CurrencyToVote;
type RewardRemainder = Treasury;
type RuntimeEvent = RuntimeEvent;
type Slash = Treasury;
type Reward = ();
type SessionsPerEra = SessionsPerEra;
type BondingDuration = BondingDuration;
type SlashDeferDuration = SlashDeferDuration;
type AdminOrigin = EitherOf<EnsureRoot<Self::AccountId>, StakingAdmin>;
type SessionInterface = Self;
type EraPayout = EraPayout;
type MaxExposurePageSize = MaxExposurePageSize;
type NextNewSession = Session;
type ElectionProvider = ElectionProviderMultiPhase;
type GenesisElectionProvider = onchain::OnChainExecution<OnChainSeqPhragmen>;
type VoterList = VoterList;
type TargetList = UseValidatorsMap<Self>;
type NominationsQuota = pallet_staking::FixedNominationsQuota<{ MaxNominations::get() }>;
type MaxUnlockingChunks = frame_support::traits::ConstU32<32>;
type HistoryDepth = frame_support::traits::ConstU32<84>;
type MaxControllersInDeprecationBatch = ConstU32<5314>;
type BenchmarkingConfig = polkadot_runtime_common::StakingBenchmarkingConfig;
type EventListeners = NominationPools;
type DisablingStrategy = pallet_staking::UpToLimitDisablingStrategy;
type WeightInfo = weights::pallet_staking::WeightInfo<Runtime>;
}
impl pallet_fast_unstake::Config for Runtime {
type RuntimeEvent = RuntimeEvent;
type Currency = Balances;
type BatchSize = frame_support::traits::ConstU32<16>;
type Deposit = frame_support::traits::ConstU128<{ UNITS }>;
type ControlOrigin = EnsureRoot<AccountId>;
type Staking = Staking;
type MaxErasToCheckPerBlock = ConstU32<1>;
type WeightInfo = weights::pallet_fast_unstake::WeightInfo<Runtime>;
}
parameter_types! {
// Minimum 4 CENTS/byte
pub const BasicDeposit: Balance = deposit(1, 258);
pub const ByteDeposit: Balance = deposit(0, 1);
pub const SubAccountDeposit: Balance = deposit(1, 53);
pub const MaxSubAccounts: u32 = 100;
pub const MaxAdditionalFields: u32 = 100;
pub const MaxRegistrars: u32 = 20;
}
impl pallet_identity::Config for Runtime {
type RuntimeEvent = RuntimeEvent;
type Currency = Balances;
type BasicDeposit = BasicDeposit;
type ByteDeposit = ByteDeposit;
type SubAccountDeposit = SubAccountDeposit;
type MaxSubAccounts = MaxSubAccounts;
type IdentityInformation = IdentityInfo<MaxAdditionalFields>;
type MaxRegistrars = MaxRegistrars;
type Slashed = Treasury;
type ForceOrigin = EitherOf<EnsureRoot<Self::AccountId>, GeneralAdmin>;
type RegistrarOrigin = EitherOf<EnsureRoot<Self::AccountId>, GeneralAdmin>;
type OffchainSignature = Signature;
type SigningPublicKey = <Signature as Verify>::Signer;
type UsernameAuthorityOrigin = EitherOf<EnsureRoot<Self::AccountId>, GeneralAdmin>;
type PendingUsernameExpiration = ConstU32<{ 7 * DAYS }>;
type MaxSuffixLength = ConstU32<7>;
type MaxUsernameLength = ConstU32<32>;
type WeightInfo = weights::pallet_identity::WeightInfo<Runtime>;
}
impl identity_migrator::Config for Runtime {
type RuntimeEvent = RuntimeEvent;
#[cfg(not(feature = "runtime-benchmarks"))]
type Reaper = EnsureSigned<AccountId>;
#[cfg(feature = "runtime-benchmarks")]
type Reaper =
impls::benchmarks::InitializeReaperForBenchmarking<AccountId, EnsureRoot<AccountId>>;
type ReapIdentityHandler = ToParachainIdentityReaper<Runtime, Self::AccountId>;
type WeightInfo = weights::polkadot_runtime_common_identity_migrator::WeightInfo<Runtime>;
}
parameter_types! {
pub const ProposalBond: Permill = Permill::from_percent(5);
pub const ProposalBondMinimum: Balance = 100 * DOLLARS;
pub const ProposalBondMaximum: Balance = 500 * DOLLARS;
pub const SpendPeriod: BlockNumber = 24 * DAYS;
pub const Burn: Permill = Permill::from_percent(1);
pub const TreasuryPalletId: PalletId = PalletId(*b"py/trsry");
pub const PayoutSpendPeriod: BlockNumber = 30 * DAYS;
// The asset's interior location for the paying account. This is the Treasury
// pallet instance (which sits at index 19).
pub TreasuryInteriorLocation: InteriorLocation = PalletInstance(TREASURY_PALLET_ID).into();
pub const TipCountdown: BlockNumber = DAYS;
pub const TipFindersFee: Percent = Percent::from_percent(20);
pub const TipReportDepositBase: Balance = DOLLARS;
pub const DataDepositPerByte: Balance = 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 RootSpendOriginMaxAmount: Balance = Balance::MAX;
pub const CouncilSpendOriginMaxAmount: Balance = Balance::MAX;
}
impl pallet_treasury::Config for Runtime {
type PalletId = TreasuryPalletId;
type Currency = Balances;
type ApproveOrigin = EitherOfDiverse<EnsureRoot<AccountId>, Treasurer>;
type RejectOrigin = EitherOfDiverse<EnsureRoot<AccountId>, Treasurer>;
type RuntimeEvent = RuntimeEvent;
type OnSlash = Treasury;
type ProposalBond = ProposalBond;
type ProposalBondMinimum = ProposalBondMinimum;
type ProposalBondMaximum = ProposalBondMaximum;
type SpendPeriod = SpendPeriod;
type Burn = Burn;
type BurnDestination = ();
type SpendFunds = Bounties;
type MaxApprovals = MaxApprovals;
type WeightInfo = weights::pallet_treasury::WeightInfo<Runtime>;
type SpendOrigin = TreasurySpender;
type AssetKind = VersionedLocatableAsset;
type Beneficiary = VersionedLocation;
type BeneficiaryLookup = IdentityLookup<Self::Beneficiary>;
type Paymaster = PayOverXcm<
TreasuryInteriorLocation,
crate::xcm_config::XcmRouter,
crate::XcmPallet,
ConstU32<{ 6 * HOURS }>,
Self::Beneficiary,
Self::AssetKind,
LocatableAssetConverter,
VersionedLocationConverter,
>;
type BalanceConverter = impls::NativeOnSystemParachain<AssetRate>;
type PayoutPeriod = PayoutSpendPeriod;
#[cfg(feature = "runtime-benchmarks")]
type BenchmarkHelper = polkadot_runtime_common::impls::benchmarks::TreasuryArguments;
}
parameter_types! {
pub const BountyDepositBase: Balance = DOLLARS;
pub const BountyDepositPayoutDelay: BlockNumber = 0;
pub const BountyUpdatePeriod: BlockNumber = 90 * DAYS;
pub const MaximumReasonLength: u32 = 16384;
pub const CuratorDepositMultiplier: Permill = Permill::from_percent(50);
pub const CuratorDepositMin: Balance = 10 * DOLLARS;
pub const CuratorDepositMax: Balance = 200 * DOLLARS;
pub const BountyValueMinimum: Balance = 10 * DOLLARS;
}
impl pallet_bounties::Config for Runtime {
type RuntimeEvent = RuntimeEvent;
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 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 RuntimeEvent = RuntimeEvent;
type MaxActiveChildBountyCount = MaxActiveChildBountyCount;
type ChildBountyValueMinimum = ChildBountyValueMinimum;
type WeightInfo = weights::pallet_child_bounties::WeightInfo<Runtime>;
}
impl pallet_offences::Config for Runtime {
type RuntimeEvent = RuntimeEvent;
type IdentificationTuple = pallet_session::historical::IdentificationTuple<Self>;
type OnOffenceHandler = Staking;
}
impl pallet_authority_discovery::Config for Runtime {
type MaxAuthorities = MaxAuthorities;
}
parameter_types! {
pub NposSolutionPriority: TransactionPriority =
Perbill::from_percent(90) * TransactionPriority::MAX;
}
parameter_types! {
pub MaxSetIdSessionEntries: u32 = BondingDuration::get() * SessionsPerEra::get();
}
impl pallet_grandpa::Config for Runtime {
type RuntimeEvent = RuntimeEvent;
type WeightInfo = ();
type MaxAuthorities = MaxAuthorities;
type MaxNominators = MaxNominators;
type MaxSetIdSessionEntries = MaxSetIdSessionEntries;
type KeyOwnerProof = <Historical as KeyOwnerProofSystem<(KeyTypeId, GrandpaId)>>::Proof;
type EquivocationReportSystem =
pallet_grandpa::EquivocationReportSystem<Self, Offences, Historical, ReportLongevity>;
}
/// 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
RuntimeCall: From<LocalCall>,
{
fn create_transaction<C: frame_system::offchain::AppCrypto<Self::Public, Self::Signature>>(
call: RuntimeCall,
public: <Signature as Verify>::Signer,
account: AccountId,
nonce: <Runtime as frame_system::Config>::Nonce,
) -> Option<(RuntimeCall, <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),
claims::PrevalidateAttests::<Runtime>::new(),
frame_metadata_hash_extension::CheckMetadataHash::new(false),
);
let raw_payload = SignedPayload::new(call, extra)
.map_err(|e| {