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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/messages/src/message_lane_loop.rs
+32 -1
View File
@@ -139,6 +139,9 @@ pub trait SourceClient<P: MessageLane>: RelayClient {
generated_at_block: TargetHeaderIdOf<P>,
proof: P::MessagesReceivingProof,
) -> Result<(), Self::Error>;
/// Activate (or deactivate) headers relay that relays target headers to source node.
async fn activate_target_to_source_headers_relay(&self, activate: bool);
}
/// Target client trait.
@@ -177,6 +180,9 @@ pub trait TargetClient<P: MessageLane>: RelayClient {
nonces: RangeInclusive<MessageNonce>,
proof: P::MessagesProof,
) -> Result<RangeInclusive<MessageNonce>, Self::Error>;
/// Activate (or deactivate) headers relay that relays source headers to target node.
async fn activate_source_to_target_headers_relay(&self, activate: bool);
}
/// State of the client.
@@ -463,6 +469,8 @@ pub(crate) mod tests {
target_latest_received_nonce: MessageNonce,
target_latest_confirmed_received_nonce: MessageNonce,
submitted_messages_proofs: Vec<TestMessagesProof>,
is_target_to_source_headers_relay_activated: bool,
is_source_to_target_headers_relay_activated: bool,
}
#[derive(Clone)]
@@ -567,6 +575,12 @@ pub(crate) mod tests {
data.source_latest_confirmed_received_nonce = proof;
Ok(())
}
async fn activate_target_to_source_headers_relay(&self, activate: bool) {
let mut data = self.data.lock();
data.is_target_to_source_headers_relay_activated = activate;
(self.tick)(&mut *data);
}
}
#[derive(Clone)]
@@ -665,6 +679,12 @@ pub(crate) mod tests {
data.submitted_messages_proofs.push(proof);
Ok(nonces)
}
async fn activate_source_to_target_headers_relay(&self, activate: bool) {
let mut data = self.data.lock();
data.is_source_to_target_headers_relay_activated = activate;
(self.tick)(&mut *data);
}
}
fn run_loop_test(
@@ -778,8 +798,19 @@ pub(crate) mod tests {
target_latest_received_nonce: 0,
..Default::default()
},
Arc::new(|_: &mut TestClientData| {}),
Arc::new(|data: &mut TestClientData| {
// headers relay must only be started when we need new target headers at source node
if data.is_target_to_source_headers_relay_activated {
assert!(data.source_state.best_finalized_peer_at_best_self.0 < data.target_state.best_self.0);
data.is_target_to_source_headers_relay_activated = false;
}
}),
Arc::new(move |data: &mut TestClientData| {
// headers relay must only be started when we need new source headers at target node
if data.is_target_to_source_headers_relay_activated {
assert!(data.target_state.best_finalized_peer_at_best_self.0 < data.source_state.best_self.0);
data.is_target_to_source_headers_relay_activated = false;
}
// syncing source headers -> target chain (all at once)
if data.target_state.best_finalized_peer_at_best_self.0 < data.source_state.best_finalized_self.0 {
data.target_state.best_finalized_peer_at_best_self = data.source_state.best_finalized_self;