lib.rs

// Copyright 2022 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/>.

#![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_hub_rococo_config;
pub mod bridge_hub_wococo_config;
pub mod constants;
mod weights;
pub mod xcm_config;

use constants::currency::*;
use cumulus_pallet_parachain_system::RelayNumberStrictlyIncreases;
use sp_api::impl_runtime_apis;
use sp_core::{crypto::KeyTypeId, OpaqueMetadata};
use sp_runtime::{
	create_runtime_str, generic, impl_opaque_keys,
	traits::{AccountIdLookup, BlakeTwo256, Block as BlockT},
	transaction_validity::{TransactionSource, TransactionValidity},
	ApplyExtrinsicResult,
};

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

use frame_support::{
	construct_runtime,
	dispatch::DispatchClass,
	parameter_types,
	traits::{ConstU32, ConstU64, ConstU8, Everything},
	weights::{ConstantMultiplier, Weight},
	PalletId,
};
use frame_system::{
	limits::{BlockLength, BlockWeights},
	EnsureRoot,
};
pub use sp_consensus_aura::sr25519::AuthorityId as AuraId;
pub use sp_runtime::{MultiAddress, Perbill, Permill};
use xcm_config::{XcmConfig, XcmOriginToTransactDispatchOrigin};

use bp_parachains::SingleParaStoredHeaderDataBuilder;
use bp_runtime::HeaderId;

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

use polkadot_runtime_common::{BlockHashCount, SlowAdjustingFeeUpdate};

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

use crate::{
	bridge_hub_rococo_config::{
		BridgeRefundBridgeHubWococoMessages, OnBridgeHubRococoBlobDispatcher,
		WithBridgeHubWococoMessageBridge,
	},
	bridge_hub_wococo_config::{
		BridgeRefundBridgeHubRococoMessages, OnBridgeHubWococoBlobDispatcher,
		WithBridgeHubRococoMessageBridge,
	},
	constants::fee::WeightToFee,
	xcm_config::XcmRouter,
};
use bridge_runtime_common::{
	messages::{source::TargetHeaderChainAdapter, target::SourceHeaderChainAdapter},
	messages_xcm_extension::{XcmAsPlainPayload, XcmBlobMessageDispatch},
};
use parachains_common::{
	impls::DealWithFees, opaque, AccountId, Balance, BlockNumber, Hash, Header, Index, Signature,
	AVERAGE_ON_INITIALIZE_RATIO, HOURS, MAXIMUM_BLOCK_WEIGHT, NORMAL_DISPATCH_RATIO, SLOT_DURATION,
};
use xcm_executor::XcmExecutor;

/// 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,
	(BridgeRefundBridgeHubRococoMessages, BridgeRefundBridgeHubWococoMessages),
);

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

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

impl_opaque_keys! {
	pub struct SessionKeys {
		pub aura: Aura,
	}
}

#[sp_version::runtime_version]
pub const VERSION: RuntimeVersion = RuntimeVersion {
	spec_name: create_runtime_str!("bridge-hub-rococo"),
	impl_name: create_runtime_str!("bridge-hub-rococo"),
	authoring_version: 1,
	spec_version: 9420,
	impl_version: 0,
	apis: RUNTIME_API_VERSIONS,
	transaction_version: 3,
	state_version: 1,
};

/// The version information used to identify this runtime when compiled natively.
#[cfg(feature = "std")]
pub fn native_version() -> NativeVersion {
	NativeVersion { runtime_version: VERSION, can_author_with: Default::default() }
}

parameter_types! {
	pub const Version: RuntimeVersion = VERSION;
	pub RuntimeBlockLength: BlockLength =
		BlockLength::max_with_normal_ratio(5 * 1024 * 1024, NORMAL_DISPATCH_RATIO);
	pub RuntimeBlockWeights: BlockWeights = BlockWeights::builder()
		.base_block(BlockExecutionWeight::get())
		.for_class(DispatchClass::all(), |weights| {
			weights.base_extrinsic = ExtrinsicBaseWeight::get();
		})
		.for_class(DispatchClass::Normal, |weights| {
			weights.max_total = Some(NORMAL_DISPATCH_RATIO * MAXIMUM_BLOCK_WEIGHT);
		})
		.for_class(DispatchClass::Operational, |weights| {
			weights.max_total = Some(MAXIMUM_BLOCK_WEIGHT);
			// Operational transactions have some extra reserved space, so that they
			// are included even if block reached `MAXIMUM_BLOCK_WEIGHT`.
			weights.reserved = Some(
				MAXIMUM_BLOCK_WEIGHT - NORMAL_DISPATCH_RATIO * MAXIMUM_BLOCK_WEIGHT
			);
		})
		.avg_block_initialization(AVERAGE_ON_INITIALIZE_RATIO)
		.build_or_panic();
	pub const SS58Prefix: u16 = 42;
}

// Configure FRAME pallets to include in runtime.

impl frame_system::Config for Runtime {
	/// The identifier used to distinguish between accounts.
	type AccountId = AccountId;
	/// The aggregated dispatch type that is available for extrinsics.
	type RuntimeCall = RuntimeCall;
	/// The lookup mechanism to get account ID from whatever is passed in dispatchers.
	type Lookup = AccountIdLookup<AccountId, ()>;
	/// The index type for storing how many extrinsics an account has signed.
	type Index = Index;
	/// The index type for blocks.
	type BlockNumber = BlockNumber;
	/// The type for hashing blocks and tries.
	type Hash = Hash;
	/// The hashing algorithm used.
	type Hashing = BlakeTwo256;
	/// The header type.