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only advance state in validate aggregate and proof if the epoch has changed between head state and attestation slot (#4474)

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Preston Van Loon 2020-01-09 19:11:02 -08:00 committed by GitHub
parent 2b6a5aaaf9
commit 9d8364bdfa
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1 changed files with 2 additions and 1 deletions
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3
beacon-chain/sync/validate_aggregate_proof.go
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@ -79,7 +79,8 @@ func (r *Service) validateAggregateAndProof(ctx context.Context, pid peer.ID, ms
return false return false
} }
if attSlot > s.Slot { // Only advance state if different epoch as the committee can only change on an epoch transition.
if helpers.SlotToEpoch(attSlot) > helpers.SlotToEpoch(s.Slot) {
s, err = state.ProcessSlots(ctx, s, attSlot) s, err = state.ProcessSlots(ctx, s, attSlot)
if err != nil { if err != nil {
traceutil.AnnotateError(span, err) traceutil.AnnotateError(span, err)