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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/>.
#![cfg_attr(not(feature = "std"), no_std)]
// RuntimeApi generated functions
#![allow(clippy::too_many_arguments)]
pub use bp_polkadot_core::*;
use bp_header_chain::ChainWithGrandpa;
use bp_runtime::{decl_bridge_finality_runtime_apis, Chain, Parachain};
use frame_support::weights::Weight;
pub struct Westend;
impl Chain for Westend {
type BlockNumber = <PolkadotLike as Chain>::BlockNumber;
type Hash = <PolkadotLike as Chain>::Hash;
type Hasher = <PolkadotLike as Chain>::Hasher;
type Header = <PolkadotLike as Chain>::Header;
type AccountId = <PolkadotLike as Chain>::AccountId;
type Balance = <PolkadotLike as Chain>::Balance;
type Index = <PolkadotLike as Chain>::Index;
type Signature = <PolkadotLike as Chain>::Signature;
fn max_extrinsic_size() -> u32 {
PolkadotLike::max_extrinsic_size()
}
fn max_extrinsic_weight() -> Weight {
PolkadotLike::max_extrinsic_weight()
}
}
impl ChainWithGrandpa for Westend {
const WITH_CHAIN_GRANDPA_PALLET_NAME: &'static str = WITH_WESTEND_GRANDPA_PALLET_NAME;
const MAX_AUTHORITIES_COUNT: u32 = MAX_AUTHORITIES_COUNT;
const REASONABLE_HEADERS_IN_JUSTIFICATON_ANCESTRY: u32 =
REASONABLE_HEADERS_IN_JUSTIFICATON_ANCESTRY;
const MAX_HEADER_SIZE: u32 = MAX_HEADER_SIZE;
const AVERAGE_HEADER_SIZE_IN_JUSTIFICATION: u32 = AVERAGE_HEADER_SIZE_IN_JUSTIFICATION;
}
/// Westmint parachain definition
#[derive(Debug, Clone, Copy)]
pub struct Westmint;
// Westmint seems to use the same configuration as all Polkadot-like chains, so we'll use Westend
// primitives here.
impl Chain for Westmint {
type BlockNumber = BlockNumber;
type Hash = Hash;
type Hasher = Hasher;
type Header = Header;
type AccountId = AccountId;
type Balance = Balance;
type Index = Nonce;
type Signature = Signature;
fn max_extrinsic_size() -> u32 {
Westend::max_extrinsic_size()
}
fn max_extrinsic_weight() -> Weight {
Westend::max_extrinsic_weight()
}
}
impl Parachain for Westmint {
const PARACHAIN_ID: u32 = WESTMINT_PARACHAIN_ID;
}
/// Name of the parachains pallet at the Westend runtime.
pub const PARAS_PALLET_NAME: &str = "Paras";
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/// Name of the With-Westend GRANDPA pallet instance that is deployed at bridged chains.
pub const WITH_WESTEND_GRANDPA_PALLET_NAME: &str = "BridgeWestendGrandpa";
/// Name of the With-Westend parachains bridge pallet instance that is deployed at bridged chains.
pub const WITH_WESTEND_BRIDGE_PARAS_PALLET_NAME: &str = "BridgeWestendParachains";
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/// Maximal SCALE-encoded size of parachains headers that are stored at Westend `Paras` pallet.
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///
/// It includes the block number and state root, so it shall be near 40 bytes, but let's have some
/// reserve.
pub const MAX_NESTED_PARACHAIN_HEAD_DATA_SIZE: u32 = 128;
/// Identifier of Westmint parachain at the Westend relay chain.
pub const WESTMINT_PARACHAIN_ID: u32 = 2000;
decl_bridge_finality_runtime_apis!(westend);
decl_bridge_finality_runtime_apis!(westmint);