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 authority_discovery_primitives::AuthorityId as AuthorityDiscoveryId;
use beefy_primitives::{crypto::AuthorityId as BeefyId, mmr::MmrLeafVersion};
use frame_support::{
	construct_runtime, parameter_types,
	traits::{All, Filter, IsInVec, KeyOwnerProofSystem, OnRuntimeUpgrade, Randomness},
	weights::Weight,
	PalletId,
};
use frame_system::EnsureRoot;
use pallet_grandpa::{fg_primitives, AuthorityId as GrandpaId};
use pallet_im_online::sr25519::AuthorityId as ImOnlineId;
use pallet_mmr_primitives as mmr;
use pallet_session::historical as session_historical;
use pallet_transaction_payment::{CurrencyAdapter, FeeDetails, RuntimeDispatchInfo};
use parity_scale_codec::{Decode, Encode, MaxEncodedLen};
use primitives::v1::{
	AccountId, AccountIndex, Balance, BlockNumber, CandidateEvent, CommittedCandidateReceipt,
	CoreState, GroupRotationInfo, Hash, Id, InboundDownwardMessage, InboundHrmpMessage, Moment,
	Nonce, OccupiedCoreAssumption, PersistedValidationData, SessionInfo as SessionInfoData,
	Signature, ValidationCode, ValidationCodeHash, ValidatorId, ValidatorIndex,
};
use runtime_common::{
	auctions, crowdloan, impls::ToAuthor, paras_registrar, paras_sudo_wrapper, slots, xcm_sender,
	BlockHashCount, BlockLength, BlockWeights, RocksDbWeight, SlowAdjustingFeeUpdate,
};
use runtime_parachains::{self, runtime_api_impl::v1 as runtime_api_impl};
use sp_core::{OpaqueMetadata, RuntimeDebug};
use sp_runtime::{
	create_runtime_str, generic, impl_opaque_keys,
	traits::{
		self, AccountIdLookup, BlakeTwo256, Block as BlockT, Extrinsic as ExtrinsicT, Keccak256,
		OpaqueKeys, SaturatedConversion, Verify,
	},
	transaction_validity::{TransactionPriority, TransactionSource, TransactionValidity},
	ApplyExtrinsicResult, 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;

use runtime_parachains::{
	configuration as parachains_configuration, 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, scheduler as parachains_scheduler,
	session_info as parachains_session_info, shared as parachains_shared, ump as parachains_ump,
};

use bridge_runtime_common::messages::{
	source::estimate_message_dispatch_and_delivery_fee, MessageBridge,
};

pub use pallet_balances::Call as BalancesCall;

use polkadot_parachain::primitives::Id as ParaId;

use constants::{currency::*, fee::*, time::*};
use frame_support::traits::InstanceFilter;
use xcm::v0::{BodyId, MultiLocation, NetworkId, Xcm};
use xcm_builder::{
	AccountId32Aliases, BackingToPlurality, ChildParachainAsNative, ChildParachainConvertsVia,
	ChildSystemParachainAsSuperuser, CurrencyAdapter as XcmCurrencyAdapter, FixedWeightBounds,
	IsConcrete, LocationInverter, SignedAccountId32AsNative, SignedToAccountId32,
	SovereignSignedViaLocation, UsingComponents,
};
use xcm_executor::XcmExecutor;

mod bridge_messages;
/// Constant values used within the runtime.
pub mod constants;
mod validator_manager;

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

/// Runtime version (Rococo).
pub const VERSION: RuntimeVersion = RuntimeVersion {
	spec_name: create_runtime_str!("rococo"),
	impl_name: create_runtime_str!("parity-rococo-v1.6"),
	authoring_version: 0,
	spec_version: 9004,
	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: 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() }
}

/// The address format for describing accounts.
pub type Address = sp_runtime::MultiAddress<AccountId, ()>;
/// Block header type as expected by this runtime.
pub type Header = generic::Header<BlockNumber, BlakeTwo256>;
/// Block type as expected by this runtime.
pub type Block = generic::Block<Header, UncheckedExtrinsic>;
/// A Block signed with a Justification
pub type SignedBlock = generic::SignedBlock<Block>;
/// `BlockId` type as expected by this runtime.
pub type BlockId = generic::BlockId<Block>;
/// The `SignedExtension` to the basic transaction logic.
pub type SignedExtra = (
	frame_system::CheckSpecVersion<Runtime>,
	frame_system::CheckTxVersion<Runtime>,
	frame_system::CheckGenesis<Runtime>,
	frame_system::CheckMortality<Runtime>,
	frame_system::CheckNonce<Runtime>,
	frame_system::CheckWeight<Runtime>,
	pallet_transaction_payment::ChargeTransactionPayment<Runtime>,
);

/// Migrate from `PalletVersion` to the new `StorageVersion`
pub struct MigratePalletVersionToStorageVersion;

impl OnRuntimeUpgrade for MigratePalletVersionToStorageVersion {
	fn on_runtime_upgrade() -> frame_support::weights::Weight {
		frame_support::migrations::migrate_from_pallet_version_to_storage_version::<
			AllPalletsWithSystem,
		>(&RocksDbWeight::get())
	}
}

/// Unchecked extrinsic type as expected by this runtime.
pub type UncheckedExtrinsic = generic::UncheckedExtrinsic<Address, Call, Signature, SignedExtra>;
/// Executive: handles dispatch to the various modules.
pub type Executive = frame_executive::Executive<
	Runtime,
	Block,
	frame_system::ChainContext<Runtime>,
	Runtime,
	AllPallets,
	MigratePalletVersionToStorageVersion,
>;
/// The payload being signed in transactions.
pub type SignedPayload = generic::SignedPayload<Call, SignedExtra>;

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

construct_runtime! {
	pub enum Runtime where
		Block = Block,
		NodeBlock = primitives::v1::Block,
		UncheckedExtrinsic = UncheckedExtrinsic
	{
		System: frame_system::{Pallet, Call, Storage, Config, Event<T>},

		// Must be before session.
		Babe: pallet_babe::{Pallet, Call, Storage, Config, ValidateUnsigned},

		Timestamp: pallet_timestamp::{Pallet, Call, Storage, Inherent},
		Indices: pallet_indices::{Pallet, Call, Storage, Config<T>, Event<T>},
		Balances: pallet_balances::{Pallet, Call, Storage, Config<T>, Event<T>},
		TransactionPayment: pallet_transaction_payment::{Pallet, Storage},