cerc-io/lighthouse
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Update next_fork_subscriptions correctly (#2688)

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## Issue Addressed

N/A

## Proposed Changes

Update the `next_fork_subscriptions` timer only after a fork happens.
This commit is contained in:
Pawan Dhananjay 2021-10-21 04:38:44 +00:00
parent 2f7b5f8cb0
commit de34001e78
1 changed files with 4 additions and 1 deletions
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5
beacon_node/network/src/service.rs
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@ -706,6 +706,9 @@ fn spawn_service<T: BeaconChainTypes>(
// Set the next_unsubscribe delay.
let epoch_duration = service.beacon_chain.spec.seconds_per_slot * T::EthSpec::slots_per_epoch();
let unsubscribe_delay = Duration::from_secs(UNSUBSCRIBE_DELAY_EPOCHS * epoch_duration);
// Update the `next_fork_subscriptions` timer if the next fork is known.
service.next_fork_subscriptions = Box::pin(next_fork_subscriptions_delay(&service.beacon_chain).into());
service.next_unsubscribe = Box::pin(Some(tokio::time::sleep(unsubscribe_delay)).into());
info!(service.log, "Network will unsubscribe from old fork gossip topics in a few epochs"; "remaining_epochs" => UNSUBSCRIBE_DELAY_EPOCHS);
} else {
@ -725,11 +728,11 @@ fn spawn_service<T: BeaconChainTypes>(
let fork_digest = ChainSpec::compute_fork_digest(fork_version, service.beacon_chain.genesis_validators_root);
info!(service.log, "Subscribing to new fork topics");
service.libp2p.swarm.behaviour_mut().subscribe_new_fork_topics(fork_digest);
service.next_fork_subscriptions = Box::pin(None.into());
}
else {
error!(service.log, "Fork subscription scheduled but no fork scheduled");
}
service.next_fork_subscriptions = Box::pin(next_fork_subscriptions_delay(&service.beacon_chain).into());
}
}
metrics::update_bandwidth_metrics(service.libp2p.bandwidth.clone());