mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
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Svyatoslav Nikolsky
3e45356aad
* Rialto -> Millau headers relay * removed more constraints * removed file from other PR * Update primitives/rialto/src/lib.rs Co-authored-by: Hernando Castano <HCastano@users.noreply.github.com> Co-authored-by: Hernando Castano <HCastano@users.noreply.github.com>
90 lines
3.5 KiB
Rust
90 lines
3.5 KiB
Rust
// Copyright 2019-2020 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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//! Millau-to-Rialto headers sync entrypoint.
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use crate::{
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headers_pipeline::SubstrateHeadersToSubstrate, headers_target::SubstrateHeadersSyncPipeline, MillauClient,
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RialtoClient,
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};
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use async_trait::async_trait;
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use bp_millau::{
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BEST_MILLAU_BLOCKS_METHOD, FINALIZED_MILLAU_BLOCK_METHOD, INCOMPLETE_MILLAU_HEADERS_METHOD,
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IS_KNOWN_MILLAU_BLOCK_METHOD,
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};
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use headers_relay::sync_types::QueuedHeader;
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use relay_millau_client::{HeaderId as MillauHeaderId, Millau, SyncHeader as MillauSyncHeader};
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use relay_rialto_client::{BridgeMillauCall, Rialto, SigningParams as RialtoSigningParams};
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use relay_substrate_client::{Error as SubstrateError, TransactionSignScheme};
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use sp_core::Pair;
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use sp_runtime::Justification;
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/// Millau-to-Rialto headers sync pipeline.
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pub(crate) type MillauHeadersToRialto =
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SubstrateHeadersToSubstrate<Millau, MillauSyncHeader, Rialto, RialtoSigningParams>;
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/// Millau header in-the-queue.
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type QueuedMillauHeader = QueuedHeader<MillauHeadersToRialto>;
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#[async_trait]
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impl SubstrateHeadersSyncPipeline for MillauHeadersToRialto {
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const BEST_BLOCK_METHOD: &'static str = BEST_MILLAU_BLOCKS_METHOD;
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const FINALIZED_BLOCK_METHOD: &'static str = FINALIZED_MILLAU_BLOCK_METHOD;
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const IS_KNOWN_BLOCK_METHOD: &'static str = IS_KNOWN_MILLAU_BLOCK_METHOD;
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const INCOMPLETE_HEADERS_METHOD: &'static str = INCOMPLETE_MILLAU_HEADERS_METHOD;
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type SignedTransaction = <Rialto as TransactionSignScheme>::SignedTransaction;
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async fn make_submit_header_transaction(
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&self,
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header: QueuedMillauHeader,
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) -> Result<Self::SignedTransaction, SubstrateError> {
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let account_id = self.target_sign.signer.public().as_array_ref().clone().into();
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let nonce = self.target_client.next_account_index(account_id).await?;
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let call = BridgeMillauCall::import_signed_header(header.header().clone().into()).into();
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let transaction = Rialto::sign_transaction(&self.target_client, &self.target_sign.signer, nonce, call);
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Ok(transaction)
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}
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async fn make_complete_header_transaction(
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&self,
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id: MillauHeaderId,
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completion: Justification,
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) -> Result<Self::SignedTransaction, SubstrateError> {
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let account_id = self.target_sign.signer.public().as_array_ref().clone().into();
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let nonce = self.target_client.next_account_index(account_id).await?;
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let call = BridgeMillauCall::finalize_header(id.1, completion).into();
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let transaction = Rialto::sign_transaction(&self.target_client, &self.target_sign.signer, nonce, call);
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Ok(transaction)
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}
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}
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/// Run Millau-to-Rialto headers sync.
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pub async fn run(
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millau_client: MillauClient,
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rialto_client: RialtoClient,
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rialto_sign: RialtoSigningParams,
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metrics_params: Option<relay_utils::metrics::MetricsParams>,
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) {
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crate::headers_pipeline::run(
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MillauHeadersToRialto::new(rialto_client.clone(), rialto_sign),
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millau_client,
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rialto_client,
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metrics_params,
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)
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.await;
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}
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