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Gloas fix proposer preferences gossip verification (#9337)

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Ensure we are using the correct state when validating proposer preferences over gossip. Previously we were only using the head state. At epoch boundaries the head state could be at `current_epoch - 1`. Peers submitting proposer preferences for `current_epoch + 1` would be penalized because our head states lookahead did not have proposer duties for `current_epoch + 1`


  


Co-Authored-By: Eitan Seri-Levi <eserilev@ucsc.edu>
This commit is contained in:
Eitan Seri-Levi
2026-07-04 00:18:16 -07:00
committed by GitHub
parent aaa60d7d65
commit f9620090da
11 changed files with 290 additions and 111 deletions
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3
beacon_node/network/src/network_beacon_processor/gossip_methods.rs
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@@ -4076,7 +4076,8 @@ impl<T: BeaconChainTypes> NetworkBeaconProcessor<T> {
| ProposerPreferencesError::ProposalSlotAlreadyPassed { .. }
| ProposerPreferencesError::BeaconChainError(_)
| ProposerPreferencesError::BeaconStateError(_)
| ProposerPreferencesError::UnableToReadSlot,
| ProposerPreferencesError::UnableToReadSlot
| ProposerPreferencesError::DependentRootUnknown { .. },
) => {
self.propagate_validation_result(message_id, peer_id, MessageAcceptance::Ignore);
}