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This commit is contained in:
Jared Wasinger 2025-02-19 15:42:29 -08:00
parent d62853e103
commit ba596bc635
1 changed files with 2 additions and 8 deletions
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10
core/types/tx_blob.go
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@ -86,18 +86,12 @@ func (sc *BlobTxSidecar) encodedSize() uint64 {
return rlp.ListSize(blobs) + rlp.ListSize(commitments) + rlp.ListSize(proofs) return rlp.ListSize(blobs) + rlp.ListSize(commitments) + rlp.ListSize(proofs)
} }
// ValidateBlobCommitmentHashes checks whether the given hashes correspond to the
// commitments in the sidecar
func (sc *BlobTxSidecar) ValidateBlobCommitmentHashes(hashes []common.Hash) error { func (sc *BlobTxSidecar) ValidateBlobCommitmentHashes(hashes []common.Hash) error {
if len(sc.Blobs) != len(hashes) {
return fmt.Errorf("invalid number of %d blobs compared to %d blob hashes", len(sc.Blobs), len(hashes))
}
if len(sc.Commitments) != len(hashes) { if len(sc.Commitments) != len(hashes) {
return fmt.Errorf("invalid number of %d blob commitments compared to %d blob hashes", len(sc.Commitments), len(hashes)) return fmt.Errorf("invalid number of %d blob commitments compared to %d blob hashes", len(sc.Commitments), len(hashes))
} }
if len(sc.Proofs) != len(hashes) {
return fmt.Errorf("invalid number of %d blob proofs compared to %d blob hashes", len(sc.Proofs), len(hashes))
}
// Blob quantities match up, validate that the provers match with the
// transaction hash before getting to the cryptography
hasher := sha256.New() hasher := sha256.New()
for i, vhash := range hashes { for i, vhash := range hashes {
computed := kzg4844.CalcBlobHashV1(hasher, &sc.Commitments[i]) computed := kzg4844.CalcBlobHashV1(hasher, &sc.Commitments[i])