lib.rs

// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Cumulus.

// Cumulus 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.

// Cumulus 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 Cumulus.  If not, see <http://www.gnu.org/licenses/>.

//! # Bridge Hub Rococo Runtime
//!
//! This runtime currently supports bridging between:
//! - Rococo <> Westend
//! - Rococo <> Rococo Bulletin

#![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"]

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

pub mod bridge_common_config;
pub mod bridge_to_bulletin_config;
pub mod bridge_to_ethereum_config;
pub mod bridge_to_westend_config;
mod weights;
pub mod xcm_config;

use bridge_runtime_common::extensions::{
	check_obsolete_extension::{
		CheckAndBoostBridgeGrandpaTransactions, CheckAndBoostBridgeParachainsTransactions,
	},
	refund_relayer_extension::RefundableParachain,
};
use cumulus_pallet_parachain_system::RelayNumberMonotonicallyIncreases;
use snowbridge_beacon_primitives::{Fork, ForkVersions};
use snowbridge_core::{
	gwei, meth,
	outbound::{Command, Fee},
	AgentId, AllowSiblingsOnly, PricingParameters, Rewards,
};
use snowbridge_router_primitives::inbound::MessageToXcm;
use sp_api::impl_runtime_apis;
use sp_core::{crypto::KeyTypeId, OpaqueMetadata, H160};
use sp_runtime::{
	create_runtime_str, generic, impl_opaque_keys,
	traits::{Block as BlockT, Keccak256},
	transaction_validity::{TransactionSource, TransactionValidity},
	ApplyExtrinsicResult, FixedU128,
};

use sp_std::prelude::*;
#[cfg(feature = "std")]
use sp_version::NativeVersion;
use sp_version::RuntimeVersion;

use cumulus_primitives_core::ParaId;
use frame_support::{
	construct_runtime, derive_impl,
	dispatch::DispatchClass,
	genesis_builder_helper::{build_state, get_preset},
	parameter_types,
	traits::{ConstBool, ConstU32, ConstU64, ConstU8, Get, TransformOrigin},
	weights::{ConstantMultiplier, Weight},
	PalletId,
};
use frame_system::{
	limits::{BlockLength, BlockWeights},
	EnsureRoot,
};
use testnet_parachains_constants::rococo::{
	consensus::*, currency::*, fee::WeightToFee, snowbridge::INBOUND_QUEUE_PALLET_INDEX, time::*,
};

use bp_runtime::HeaderId;
use bridge_hub_common::{
	message_queue::{NarrowOriginToSibling, ParaIdToSibling},
	AggregateMessageOrigin,
};
use pallet_xcm::EnsureXcm;
pub use sp_consensus_aura::sr25519::AuthorityId as AuraId;
pub use sp_runtime::{MultiAddress, Perbill, Permill};
use xcm::VersionedLocation;
use xcm_config::{TreasuryAccount, XcmOriginToTransactDispatchOrigin, XcmRouter};

#[cfg(any(feature = "std", test))]
pub use sp_runtime::BuildStorage;

use polkadot_runtime_common::{BlockHashCount, SlowAdjustingFeeUpdate};
use rococo_runtime_constants::system_parachain::{ASSET_HUB_ID, BRIDGE_HUB_ID};
use xcm::latest::prelude::*;

use weights::{BlockExecutionWeight, ExtrinsicBaseWeight, RocksDbWeight};

use parachains_common::{
	impls::DealWithFees, AccountId, Balance, BlockNumber, Hash, Header, Nonce, Signature,
	AVERAGE_ON_INITIALIZE_RATIO, NORMAL_DISPATCH_RATIO,
};

#[cfg(feature = "runtime-benchmarks")]
use benchmark_helpers::DoNothingRouter;

/// The address format for describing accounts.
pub type Address = MultiAddress<AccountId, ()>;

/// 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::CheckNonZeroSender<Runtime>,
	frame_system::CheckSpecVersion<Runtime>,
	frame_system::CheckTxVersion<Runtime>,
	frame_system::CheckGenesis<Runtime>,
	frame_system::CheckEra<Runtime>,
	frame_system::CheckNonce<Runtime>,
	frame_system::CheckWeight<Runtime>,
	pallet_transaction_payment::ChargeTransactionPayment<Runtime>,
	BridgeRejectObsoleteHeadersAndMessages,
	(
		bridge_to_westend_config::OnBridgeHubRococoRefundBridgeHubWestendMessages,
		bridge_to_bulletin_config::OnBridgeHubRococoRefundRococoBulletinMessages,
	),
	cumulus_primitives_storage_weight_reclaim::StorageWeightReclaim<Runtime>,
);

/// Unchecked extrinsic type as expected by this runtime.
pub type UncheckedExtrinsic =
	generic::UncheckedExtrinsic<Address, RuntimeCall, Signature, SignedExtra>;

/// Migrations to apply on runtime upgrade.
pub type Migrations = (
	pallet_collator_selection::migration::v2::MigrationToV2<Runtime>,
	pallet_multisig::migrations::v1::MigrateToV1<Runtime>,
	InitStorageVersions,
	cumulus_pallet_xcmp_queue::migration::v4::MigrationToV4<Runtime>,
	// unreleased
	snowbridge_pallet_system::migration::v0::InitializeOnUpgrade<
		Runtime,
		ConstU32<BRIDGE_HUB_ID>,
		ConstU32<ASSET_HUB_ID>,
	>,
	// permanent
	pallet_xcm::migration::MigrateToLatestXcmVersion<Runtime>,
);

/// Migration to initialize storage versions for pallets added after genesis.
///
/// Ideally this would be done automatically (see
/// <https://github.com/paritytech/polkadot-sdk/pull/1297>), but it probably won't be ready for some
/// time and it's beneficial to get try-runtime-cli on-runtime-upgrade checks into the CI, so we're
/// doing it manually.
pub struct InitStorageVersions;

impl frame_support::traits::OnRuntimeUpgrade for InitStorageVersions {
	fn on_runtime_upgrade() -> Weight {
		use frame_support::traits::{GetStorageVersion, StorageVersion};
		use sp_runtime::traits::Saturating;

		let mut writes = 0;

		if PolkadotXcm::on_chain_storage_version() == StorageVersion::new(0) {
			PolkadotXcm::in_code_storage_version().put::<PolkadotXcm>();
			writes.saturating_inc();
		}

		if Balances::on_chain_storage_version() == StorageVersion::new(0) {
			Balances::in_code_storage_version().put::<Balances>();
			writes.saturating_inc();
		}

		<Runtime as frame_system::Config>::DbWeight::get().reads_writes(2, writes)
	}
}

/// Executive: handles dispatch to the various modules.
pub type Executive = frame_executive::Executive<
	Runtime,
	Block,
	frame_system::ChainContext<Runtime>,
	Runtime,
	AllPalletsWithSystem,
	Migrations,
>;