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*: Ensure GossipEngine is being polled #836
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Original file line number | Diff line number | Diff line change |
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@@ -334,11 +334,19 @@ pub fn register_validator<C: ChainContext + 'static, S: NetworkSpecialization<Bl | |
let gossip_side = validator.clone(); | ||
let gossip_engine = sc_network_gossip::GossipEngine::new( | ||
service.clone(), | ||
executor, | ||
POLKADOT_ENGINE_ID, | ||
gossip_side, | ||
); | ||
|
||
// Ideally this would not be spawned as an orphaned task, but polled by | ||
// `RegisteredMessageValidator` which in turn would be polled by a `ValidationNetwork`. | ||
let spawn_res = executor.spawn_obj(futures::task::FutureObj::from(Box::new(gossip_engine.clone()))); | ||
|
||
// Note: we consider the chances of an error to spawn a background task almost null. | ||
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. I agree, but should we panic instead? This code will only be run on node startup, maybe it makes sense to just fail right away? There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. A graceful exit would be hard to include, but maybe a warning would be good. |
||
if spawn_res.is_err() { | ||
log::error!(target: "polkadot-gossip", "Failed to spawn background task"); | ||
} | ||
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||
RegisteredMessageValidator { | ||
inner: validator as _, | ||
service: Some(service), | ||
|
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note that when we remove the legacy code we will use
protocol.rs
which could run this in a future.