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[Stability] Cancel polling for old votes #2223

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merged 4 commits into from
Dec 14, 2023
Merged

[Stability] Cancel polling for old votes #2223

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90ea36d
cancel polling for votes properly
rob-maron Dec 13, 2023
5174d8e
fix view sync cert cancel
rob-maron Dec 13, 2023
578cd7c
revert timeout vote changes
rob-maron Dec 13, 2023
ae30b25
cancel poll for proposal during timeout
rob-maron Dec 13, 2023
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4 changes: 0 additions & 4 deletions crates/hotshot/src/tasks/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -246,10 +246,6 @@ pub async fn add_consensus_task<TYPES: NodeType, I: NodeImplementation<TYPES>>(
.quorum_network
.inject_consensus_info(ConsensusIntentEvent::PollForCurrentProposal)
.await;
consensus_state
.quorum_network
.inject_consensus_info(ConsensusIntentEvent::PollForProposal(1))
.await;
let filter = FilterEvent(Arc::new(consensus_event_filter));
let consensus_name = "Consensus Task";
let consensus_event_handler = HandleEvent(Arc::new(
Expand Down
28 changes: 26 additions & 2 deletions crates/task-impls/src/consensus.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -414,7 +414,7 @@ impl<TYPES: NodeType, I: NodeImplementation<TYPES>, A: ConsensusApi<TYPES, I> +
match event {
HotShotEvent::QuorumProposalRecv(proposal, sender) => {
debug!(
"Receved Quorum Propsoal for view {}",
"Receved Quorum Proposal for view {}",
*proposal.data.view_number
);

Expand Down Expand Up @@ -840,6 +840,13 @@ impl<TYPES: NodeType, I: NodeImplementation<TYPES>, A: ConsensusApi<TYPES, I> +
debug!("QC Formed event happened!");

if let either::Right(qc) = cert.clone() {
// cancel poll for votes
self.quorum_network
.inject_consensus_info(ConsensusIntentEvent::CancelPollForVotes(
*qc.view_number,
))
.await;

debug!(
"Attempting to publish proposal after forming a TC for view {}",
*qc.view_number
Expand All @@ -861,6 +868,13 @@ impl<TYPES: NodeType, I: NodeImplementation<TYPES>, A: ConsensusApi<TYPES, I> +
let mut consensus = self.consensus.write().await;
consensus.high_qc = qc.clone();

// cancel poll for votes
self.quorum_network
.inject_consensus_info(ConsensusIntentEvent::CancelPollForVotes(
*qc.view_number,
))
.await;

drop(consensus);
debug!(
"Attempting to publish proposal after forming a QC for view {}",
Expand All @@ -883,6 +897,10 @@ impl<TYPES: NodeType, I: NodeImplementation<TYPES>, A: ConsensusApi<TYPES, I> +
.inject_consensus_info(ConsensusIntentEvent::CancelPollForDAC(*view))
.await;

self.committee_network
.inject_consensus_info(ConsensusIntentEvent::CancelPollForVotes(*view))
.await;

self.da_certs.insert(view, cert);

if self.vote_if_able().await {
Expand Down Expand Up @@ -975,6 +993,11 @@ impl<TYPES: NodeType, I: NodeImplementation<TYPES>, A: ConsensusApi<TYPES, I> +
return;
}

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Cancel poll for proposal here too, I think

// cancel poll for votes
self.quorum_network
.inject_consensus_info(ConsensusIntentEvent::CancelPollForVotes(*view))
.await;

let vote = TimeoutVote::create_signed_vote(
TimeoutData { view },
view,
Expand All @@ -997,7 +1020,8 @@ impl<TYPES: NodeType, I: NodeImplementation<TYPES>, A: ConsensusApi<TYPES, I> +
let high_qc = self.consensus.read().await.high_qc.clone();
let leader_view = high_qc.get_view_number() + 1;
if self.quorum_membership.get_leader(leader_view) == self.public_key {
self.publish_proposal_if_able(high_qc, leader_view, None).await;
self.publish_proposal_if_able(high_qc, leader_view, None)
.await;
}
}
_ => {}
Expand Down
12 changes: 12 additions & 0 deletions crates/task-impls/src/view_sync.rs
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Expand Up @@ -465,6 +465,11 @@ impl<
return;
}

// cancel poll for votes
self.network
.inject_consensus_info(ConsensusIntentEvent::CancelPollForVotes(*view_number))
.await;

self.num_timeouts_tracked += 1;
error!(
"Num timeouts tracked since last view change is {}. View {} timed out",
Expand Down Expand Up @@ -782,6 +787,13 @@ impl<TYPES: NodeType, I: NodeImplementation<TYPES>, A: ConsensusApi<TYPES, I> +
return (None, self);
}

// cancel poll for votes
self.network
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.inject_consensus_info(ConsensusIntentEvent::CancelPollForVotes(
*certificate.view_number,
))
.await;

self.phase = last_seen_certificate;

if certificate.get_data().relay > self.relay {
Expand Down
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