lib.rs

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

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

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

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

//! The Rococo runtime for v1 parachains.

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

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

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

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

use frame_support::{
	construct_runtime, parameter_types,
	traits::{
		Contains, EitherOfDiverse, InstanceFilter, KeyOwnerProofSystem, LockIdentifier,
		PrivilegeCmp, StorageMapShim, WithdrawReasons,
	},
	weights::ConstantMultiplier,
	PalletId, RuntimeDebug,
};
use frame_system::EnsureRoot;
use pallet_grandpa::{fg_primitives, AuthorityId as GrandpaId};
use pallet_im_online::sr25519::AuthorityId as ImOnlineId;
use pallet_session::historical as session_historical;
use pallet_transaction_payment::{CurrencyAdapter, FeeDetails, RuntimeDispatchInfo};
use sp_core::{ConstU128, OpaqueMetadata, H256};
use sp_mmr_primitives as mmr;
use sp_runtime::{
	create_runtime_str, generic, impl_opaque_keys,
	traits::{
		AccountIdLookup, BlakeTwo256, Block as BlockT, ConstU32, ConvertInto,
		Extrinsic as ExtrinsicT, Keccak256, OpaqueKeys, SaturatedConversion, Verify,
	},
	transaction_validity::{TransactionPriority, TransactionSource, TransactionValidity},
	ApplyExtrinsicResult, KeyTypeId, Perbill, Percent, Permill,
};
use sp_staking::SessionIndex;
#[cfg(any(feature = "std", test))]
use sp_version::NativeVersion;
use sp_version::RuntimeVersion;
use static_assertions::const_assert;

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

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

// Weights used in the runtime.
mod weights;

// XCM configurations.
pub mod xcm_config;

mod validator_manager;

impl_runtime_weights!(rococo_runtime_constants);

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

/// Runtime version (Rococo).
#[sp_version::runtime_version]
pub const VERSION: RuntimeVersion = RuntimeVersion {
	spec_name: create_runtime_str!("rococo"),
	impl_name: create_runtime_str!("parity-rococo-v2.0"),
	authoring_version: 0,
	spec_version: 9390,
	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: 19,
	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() }
}

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

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

impl frame_system::Config for Runtime {
	type BaseCallFilter = BaseFilter;
	type BlockWeights = BlockWeights;
	type BlockLength = BlockLength;
	type DbWeight = RocksDbWeight;
	type RuntimeOrigin = RuntimeOrigin;
	type RuntimeCall = RuntimeCall;
	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 RuntimeEvent = RuntimeEvent;
	type BlockHashCount = BlockHashCount;
	type Version = Version;
	type PalletInfo = PalletInfo;
	type AccountData = pallet_balances::AccountData<Balance>;
	type OnNewAccount = ();
	type OnKilledAccount = ();
	type SystemWeightInfo = weights::frame_system::WeightInfo<Runtime>;
	type SS58Prefix = SS58Prefix;
	type OnSetCode = ();
	type MaxConsumers = frame_support::traits::ConstU32<16>;
}

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

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

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

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

		match (left, right) {
			// Root is greater than anything.