Merge pull request #577 from OffchainLabs/fix-simulated-beacon-fork-osaka-blobs

eth/catalyst: Remove KZG proof verification from SimulatedBeacon.GetBlobs

Author: eljobe

eth/catalyst/simulated_beacon_blob_provider.go

@@ -53,13 +53,6 @@ func (c *SimulatedBeacon) GetBlobs(ctx context.Context, batchBlockHash common.Ha
 		}
 
 		copy(output[outputIdx][:], bundle.Blobs[i])
-
-		var proof kzg4844.Proof
-		copy(proof[:], bundle.Proofs[i])
-
-		if err := kzg4844.VerifyBlobProof(&output[outputIdx], commitment, proof); err != nil {
-			return nil, fmt.Errorf("failed to verify blob proof for blob index(%d), blob(%s)", i, firstFewChars(bundle.Blobs[i].String()))
-		}
 	}
 
 	for i, found := range outputsFound {
@@ -82,11 +75,3 @@ func commitmentToVersionedHash(commitment kzg4844.Commitment) common.Hash {
 	hash[0] = 1
 	return hash
 }
-
-func firstFewChars(s string) string {
-	if len(s) < 9 {
-		return fmt.Sprintf("\"%s\"", s)
-	} else {
-		return fmt.Sprintf("\"%s...\"", s[:8])
-	}
-}