// 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 . #![cfg_attr(not(feature = "std"), no_std)] // RuntimeApi generated functions #![allow(clippy::too_many_arguments)] use bp_messages::{ InboundMessageDetails, LaneId, MessageNonce, MessagePayload, OutboundMessageDetails, }; use frame_support::weights::{ WeightToFeeCoefficient, WeightToFeeCoefficients, WeightToFeePolynomial, }; use sp_runtime::FixedU128; use sp_std::prelude::*; use sp_version::RuntimeVersion; pub use bp_polkadot_core::*; use bp_runtime::{ decl_bridge_finality_runtime_apis, decl_bridge_messages_runtime_apis, decl_bridge_runtime_apis, }; /// Kusama Chain pub type Kusama = PolkadotLike; // NOTE: This needs to be kept up to date with the Kusama runtime found in the Polkadot repo. pub const VERSION: RuntimeVersion = RuntimeVersion { spec_name: sp_version::create_runtime_str!("kusama"), impl_name: sp_version::create_runtime_str!("parity-kusama"), authoring_version: 2, spec_version: 9180, impl_version: 0, apis: sp_version::create_apis_vec![[]], transaction_version: 11, state_version: 0, }; // NOTE: This needs to be kept up to date with the Kusama runtime found in the Polkadot repo. pub struct WeightToFee; impl WeightToFeePolynomial for WeightToFee { type Balance = Balance; fn polynomial() -> WeightToFeeCoefficients { const CENTS: Balance = 1_000_000_000_000 / 30_000; // in Kusama, extrinsic base weight (smallest non-zero weight) is mapped to 1/10 CENT: let p = CENTS; let q = 10 * Balance::from(ExtrinsicBaseWeight::get()); smallvec::smallvec![WeightToFeeCoefficient { degree: 1, negative: false, coeff_frac: Perbill::from_rational(p % q, q), coeff_integer: p / q, }] } } /// Per-byte fee for Kusama transactions. pub const TRANSACTION_BYTE_FEE: Balance = 10 * 1_000_000_000_000 / 30_000 / 1_000; /// Existential deposit on Kusama. pub const EXISTENTIAL_DEPOSIT: Balance = 1_000_000_000_000 / 30_000; /// The target length of a session (how often authorities change) on Kusama measured in of number of /// blocks. /// /// Note that since this is a target sessions may change before/after this time depending on network /// conditions. pub const SESSION_LENGTH: BlockNumber = time_units::HOURS; /// Name of the With-Kusama GRANDPA pallet instance that is deployed at bridged chains. pub const WITH_KUSAMA_GRANDPA_PALLET_NAME: &str = "BridgeKusamaGrandpa"; /// Name of the With-Kusama messages pallet instance that is deployed at bridged chains. pub const WITH_KUSAMA_MESSAGES_PALLET_NAME: &str = "BridgeKusamaMessages"; /// Name of the transaction payment pallet at the Kusama runtime. pub const TRANSACTION_PAYMENT_PALLET_NAME: &str = "TransactionPayment"; /// Name of the DOT->KSM conversion rate stored in the Kusama runtime. pub const POLKADOT_TO_KUSAMA_CONVERSION_RATE_PARAMETER_NAME: &str = "PolkadotToKusamaConversionRate"; /// Name of the Polkadot fee multiplier parameter, stored in the Polkadot runtime. pub const POLKADOT_FEE_MULTIPLIER_PARAMETER_NAME: &str = "PolkadotFeeMultiplier"; decl_bridge_runtime_apis!(kusama);