lib.rs

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

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

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

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

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

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

use authority_discovery_primitives::AuthorityId as AuthorityDiscoveryId;
use beefy_primitives::crypto::AuthorityId as BeefyId;
use frame_election_provider_support::{onchain, SequentialPhragmen};
use frame_support::{
	construct_runtime, parameter_types,
	traits::{ConstU32, InstanceFilter, KeyOwnerProofSystem},
	weights::ConstantMultiplier,
	PalletId,
};
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 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, PvfCheckStatement, ScrapedOnChainVotes, SessionInfo, Signature,
	ValidationCode, ValidationCodeHash, ValidatorId, ValidatorIndex, ValidatorSignature,
};
use runtime_common::{
	assigned_slots, auctions, crowdloan, elections::OnChainAccuracy, impl_runtime_weights,
	impls::ToAuthor, paras_registrar, paras_sudo_wrapper, prod_or_fast, slots, BalanceToU256,
	BlockHashCount, BlockLength, CurrencyToVote, SlowAdjustingFeeUpdate, U256ToBalance,
};
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, reward_points as parachains_reward_points,
	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 scale_info::TypeInfo;
use sp_core::{OpaqueMetadata, RuntimeDebug};
use sp_mmr_primitives as mmr;
use sp_runtime::{
	create_runtime_str,
	curve::PiecewiseLinear,
	generic, impl_opaque_keys,
	traits::{
		AccountIdLookup, BlakeTwo256, Block as BlockT, ConvertInto, Extrinsic as ExtrinsicT,
		OpaqueKeys, SaturatedConversion, Verify,
	},
	transaction_validity::{TransactionPriority, TransactionSource, TransactionValidity},
	ApplyExtrinsicResult, FixedU128, KeyTypeId, Perbill,
};
use sp_staking::SessionIndex;
use sp_std::{collections::btree_map::BTreeMap, prelude::*};
#[cfg(any(feature = "std", test))]
use sp_version::NativeVersion;
use sp_version::RuntimeVersion;

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

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

mod bag_thresholds;
mod weights;
pub mod xcm_config;

#[cfg(test)]
mod tests;

impl_runtime_weights!(westend_runtime_constants);

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

/// Runtime version (Westend).
#[sp_version::runtime_version]
pub const VERSION: RuntimeVersion = RuntimeVersion {
	spec_name: create_runtime_str!("westend"),
	impl_name: create_runtime_str!("parity-westend"),
	authoring_version: 2,
	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: 12,
	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() }
}

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

impl frame_system::Config for Runtime {
	type BaseCallFilter = frame_support::traits::Everything;
	type BlockWeights = BlockWeights;
	type BlockLength = BlockLength;
	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 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>;
}

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

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