prysm-pulse/beacon-chain/sync/subscriber_blob_sidecar.go

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package sync
import (
"context"
"fmt"
eth "github.com/prysmaticlabs/prysm/v4/proto/prysm/v1alpha1"
"google.golang.org/protobuf/proto"
)
func (s *Service) blobSubscriber(ctx context.Context, msg proto.Message) error {
b, ok := msg.(*eth.SignedBlobSidecar)
if !ok {
return fmt.Errorf("message was not type *eth.SignedBlobSidecar, type=%T", msg)
}
log.WithFields(blobFields(b.Message)).Debug("Received blob sidecar")
s.setSeenBlobIndex(b.Message.Blob, b.Message.Index)
if err := s.cfg.beaconDB.SaveBlobSidecar(ctx, []*eth.BlobSidecar{b.Message}); err != nil {
return err
}
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s.cfg.chain.SendNewBlobEvent([32]byte(b.Message.BlockRoot), b.Message.Index)
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return nil
}