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millau_headers_to_rialto.rs
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millau_headers_to_rialto.rs
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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/>.
//! Millau-to-Rialto headers sync entrypoint.
use crate::cli::bridge::{CliBridgeBase, MessagesCliBridge, RelayToRelayHeadersCliBridge};
use substrate_relay_helper::finality::{
engine::Grandpa as GrandpaFinalityEngine, DirectSubmitGrandpaFinalityProofCallBuilder,
SubstrateFinalitySyncPipeline,
};
/// Description of Millau -> Rialto finalized headers bridge.
#[derive(Clone, Debug)]
pub struct MillauFinalityToRialto;
impl SubstrateFinalitySyncPipeline for MillauFinalityToRialto {
type SourceChain = relay_millau_client::Millau;
type TargetChain = relay_rialto_client::Rialto;
type FinalityEngine = GrandpaFinalityEngine<Self::SourceChain>;
type SubmitFinalityProofCallBuilder = DirectSubmitGrandpaFinalityProofCallBuilder<
Self,
rialto_runtime::Runtime,
rialto_runtime::MillauGrandpaInstance,
>;
}
//// `Millau` to `Rialto` bridge definition.
pub struct MillauToRialtoCliBridge {}
impl CliBridgeBase for MillauToRialtoCliBridge {
type Source = relay_millau_client::Millau;
type Target = relay_rialto_client::Rialto;
}
impl RelayToRelayHeadersCliBridge for MillauToRialtoCliBridge {
type Finality = MillauFinalityToRialto;
}
impl MessagesCliBridge for MillauToRialtoCliBridge {
const ESTIMATE_MESSAGE_FEE_METHOD: &'static str =
bp_rialto::TO_RIALTO_ESTIMATE_MESSAGE_FEE_METHOD;
type MessagesLane = crate::chains::millau_messages_to_rialto::MillauMessagesToRialto;
}