package sync import ( "context" "fmt" "github.com/gogo/protobuf/proto" eth "github.com/prysmaticlabs/ethereumapis/eth/v1alpha1" "github.com/prysmaticlabs/prysm/beacon-chain/core/feed" "github.com/prysmaticlabs/prysm/beacon-chain/core/feed/operation" "github.com/prysmaticlabs/prysm/beacon-chain/core/helpers" ) func (r *Service) committeeIndexBeaconAttestationSubscriber(ctx context.Context, msg proto.Message) error { a, ok := msg.(*eth.Attestation) if !ok { return fmt.Errorf("message was not type *eth.Attestation, type=%T", msg) } if exists, _ := r.attPool.HasAggregatedAttestation(a); exists { return nil } // Broadcast the unaggregated attestation on a feed to notify other services in the beacon node // of a received unaggregated attestation. r.attestationNotifier.OperationFeed().Send(&feed.Event{ Type: operation.UnaggregatedAttReceived, Data: &operation.UnAggregatedAttReceivedData{ Attestation: a, }, }) return r.attPool.SaveUnaggregatedAttestation(a) } func (r *Service) currentCommitteeIndex() int { activeValidatorIndices, err := r.chain.HeadValidatorsIndices(helpers.SlotToEpoch(r.chain.HeadSlot())) if err != nil { panic(err) } return int(helpers.SlotCommitteeCount(uint64(len(activeValidatorIndices)))) }