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// Copyright 2019-2021 Parity Technologies (UK) Ltd.
// This file is part of Parity Bridges Common.
// Parity Bridges Common 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.
// Parity Bridges Common 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 Parity Bridges Common. If not, see <http://www.gnu.org/licenses/>.
//! Module with configuration which reflects BridgeHubRococo runtime setup (AccountId, Headers,
//! Hashes...)
#![cfg_attr(not(feature = "std"), no_std)]
use bp_messages::*;
pub use bp_polkadot_core::*;
use bp_runtime::{decl_bridge_finality_runtime_apis, decl_bridge_messages_runtime_apis};
use frame_support::{
parameter_types,
sp_runtime::{FixedU128, MultiAddress, MultiSigner},
weights::{
constants::ExtrinsicBaseWeight, WeightToFeeCoefficient, WeightToFeeCoefficients,
WeightToFeePolynomial,
},
Parameter,
};
use sp_std::prelude::*;
pub type BridgeHubRococo = PolkadotLike;
/// [`WeightToFee`] should reflect cumulus/bridge-hub-rococo-runtime [`WeightToFee`]
pub struct WeightToFee;
impl WeightToFeePolynomial for WeightToFee {
type Balance = Balance;
fn polynomial() -> WeightToFeeCoefficients<Self::Balance> {
pub const CENTS: Balance = polkadot_runtime_constants::currency::CENTS;
// in Rococo, extrinsic base weight (smallest non-zero weight) is mapped to 1/10 CENT:
// in BridgeHub, we map to 1/10 of that, or 1/100 CENT
let p = CENTS;
let q = 100 * Balance::from(ExtrinsicBaseWeight::get().ref_time());
smallvec::smallvec![WeightToFeeCoefficient {
degree: 1,
negative: false,
coeff_frac: Perbill::from_rational(p % q, q),
coeff_integer: p / q,
}]
}
}
/// Public key of the chain account that may be used to verify signatures.
pub type AccountSigner = MultiSigner;
/// The address format for describing accounts.
pub type Address = MultiAddress<AccountId, ()>;
/// Identifier of BridgeHubRococo in the Rococo relay chain.
pub const BRIDGE_HUB_ROCOCO_PARACHAIN_ID: u32 = 1013;
/// Name of the With-BridgeHubRococo messages pallet instance that is deployed at bridged chains.
pub const WITH_BRIDGE_HUB_ROCOCO_MESSAGES_PALLET_NAME: &str = "BridgeRococoMessages";
parameter_types! {
pub const SS58Prefix: u16 = 42;
}
decl_bridge_finality_runtime_apis!(bridge_hub_rococo);
decl_bridge_messages_runtime_apis!(bridge_hub_rococo);