feat(mimicry): return errro when sidecar is missing

pkg/mimicry/p2p/execution/event_transaction.go

@@ -10,6 +10,7 @@ import (
  "github.com/ethereum/go-ethereum/core/types"
  "github.com/ethpandaops/xatu/pkg/proto/xatu"
  "github.com/jellydator/ttlcache/v3"
+ "github.com/pkg/errors"
  "github.com/sirupsen/logrus"
  "google.golang.org/protobuf/types/known/timestamppb"
  "google.golang.org/protobuf/types/known/wrapperspb"
@@ -112,7 +113,7 @@ func (p *Peer) getTransactionData(ctx context.Context, event *types.Transaction,
  sidecarsEmptySize += ethereum.CountConsecutiveEmptyBytes(sidecars, 4)
  }
  } else {
- p.log.WithField("versioned hash", event.Hash().String()).WithField("transaction", event.Hash().String()).Warn("no sidecars found for a type 3 transaction")
+ return nil, errors.Errorf("no sidecars found for a type 3 transaction %s", event.Hash().String())
  }
 
  extra.BlobSidecarsSize = fmt.Sprint(sidecarsSize)