mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-05-30 23:21:02 +00:00
Svyatoslav Nikolsky
63 lines
2.5 KiB
Rust
63 lines
2.5 KiB
Rust
// Copyright 2019-2021 Parity Technologies (UK) Ltd.
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// This file is part of Parity Bridges Common.
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// Parity Bridges Common is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Parity Bridges Common is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Parity Bridges Common. If not, see <http://www.gnu.org/licenses/>.
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//! Westend-to-Millau headers sync entrypoint.
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use crate::finality_pipeline::{SubstrateFinalitySyncPipeline, SubstrateFinalityToSubstrate};
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use bp_header_chain::justification::GrandpaJustification;
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use codec::Encode;
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use relay_millau_client::{Millau, SigningParams as MillauSigningParams};
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use relay_substrate_client::{Chain, TransactionSignScheme};
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use relay_utils::metrics::MetricsParams;
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use relay_westend_client::{SyncHeader as WestendSyncHeader, Westend};
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use sp_core::{Bytes, Pair};
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/// Westend-to-Millau finality sync pipeline.
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pub(crate) type WestendFinalityToMillau = SubstrateFinalityToSubstrate<Westend, Millau, MillauSigningParams>;
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impl SubstrateFinalitySyncPipeline for WestendFinalityToMillau {
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const BEST_FINALIZED_SOURCE_HEADER_ID_AT_TARGET: &'static str = bp_westend::BEST_FINALIZED_WESTEND_HEADER_METHOD;
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type TargetChain = Millau;
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fn customize_metrics(params: MetricsParams) -> anyhow::Result<MetricsParams> {
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crate::chains::add_polkadot_kusama_price_metrics::<Self>(Some(finality_relay::metrics_prefix::<Self>()), params)
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}
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fn transactions_author(&self) -> bp_millau::AccountId {
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(*self.target_sign.public().as_array_ref()).into()
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}
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fn make_submit_finality_proof_transaction(
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&self,
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transaction_nonce: <Millau as Chain>::Index,
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header: WestendSyncHeader,
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proof: GrandpaJustification<bp_westend::Header>,
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) -> Bytes {
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let call = millau_runtime::BridgeGrandpaWestendCall::<
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millau_runtime::Runtime,
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millau_runtime::WestendGrandpaInstance,
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>::submit_finality_proof(header.into_inner(), proof)
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.into();
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let genesis_hash = *self.target_client.genesis_hash();
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let transaction = Millau::sign_transaction(genesis_hash, &self.target_sign, transaction_nonce, call);
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Bytes(transaction.encode())
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}
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}
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