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on-demand headers relay (#833)

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* on-demand headers relay

* bool::then

* move file

* atomic submit_signed_extrinsic

* remove cli options from future

* test on-demand relay

* TODOs

* fixed initialization call for Westend -> Millau

* Update relays/client-substrate/src/client.rs

Co-authored-by: Hernando Castano <HCastano@users.noreply.github.com>

* removed on_demand_headers_relay.rs

* on_demand_headers_relay traces

* fix compilation

* fmt

* docs

Co-authored-by: Hernando Castano <HCastano@users.noreply.github.com>
This commit is contained in:
Svyatoslav Nikolsky
2021-03-26 08:49:59 +03:00
committed by Bastian Köcher
parent 51fc83941b
commit 4e4e9a8e4e
18 changed files with 367 additions and 223 deletions
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bridges/relays/bin-substrate/src/messages_lane.rs
+18 -12
View File
@@ -17,17 +17,15 @@
use crate::messages_source::SubstrateMessagesProof;
use crate::messages_target::SubstrateMessagesReceivingProof;
use async_trait::async_trait;
use bp_messages::MessageNonce;
use codec::Encode;
use frame_support::weights::Weight;
use messages_relay::message_lane::{MessageLane, SourceHeaderIdOf, TargetHeaderIdOf};
use relay_substrate_client::{BlockNumberOf, Chain, Client, Error as SubstrateError, HashOf};
use relay_substrate_client::{BlockNumberOf, Chain, Client, HashOf};
use relay_utils::BlockNumberBase;
use sp_core::Bytes;
use std::ops::RangeInclusive;
/// Message sync pipeline for Substrate <-> Substrate relays.
#[async_trait]
pub trait SubstrateMessageLane: MessageLane {
/// Name of the runtime method that returns dispatch weight of outbound messages at the source chain.
const OUTBOUND_LANE_MESSAGES_DISPATCH_WEIGHT_METHOD: &'static str;
@@ -48,25 +46,33 @@ pub trait SubstrateMessageLane: MessageLane {
/// Name of the runtime method that returns id of best finalized target header at source chain.
const BEST_FINALIZED_TARGET_HEADER_ID_AT_SOURCE: &'static str;
/// Signed transaction type of the source chain.
type SourceSignedTransaction: Send + Sync + Encode;
/// Signed transaction type of the target chain.
type TargetSignedTransaction: Send + Sync + Encode;
/// Source chain.
type SourceChain: Chain;
/// Target chain.
type TargetChain: Chain;
/// Returns id of account that we're using to sign transactions at target chain (messages proof).
fn target_transactions_author(&self) -> <Self::TargetChain as Chain>::AccountId;
/// Make messages delivery transaction.
async fn make_messages_delivery_transaction(
fn make_messages_delivery_transaction(
&self,
transaction_nonce: <Self::TargetChain as Chain>::Index,
generated_at_header: SourceHeaderIdOf<Self>,
nonces: RangeInclusive<MessageNonce>,
proof: Self::MessagesProof,
) -> Result<Self::TargetSignedTransaction, SubstrateError>;
) -> Bytes;
/// Returns id of account that we're using to sign transactions at source chain (delivery proof).
fn source_transactions_author(&self) -> <Self::SourceChain as Chain>::AccountId;
/// Make messages receiving proof transaction.
async fn make_messages_receiving_proof_transaction(
fn make_messages_receiving_proof_transaction(
&self,
transaction_nonce: <Self::SourceChain as Chain>::Index,
generated_at_header: TargetHeaderIdOf<Self>,
proof: Self::MessagesReceivingProof,
) -> Result<Self::SourceSignedTransaction, SubstrateError>;
) -> Bytes;
}
/// Substrate-to-Substrate message lane.