add comments

This commit is contained in:
maskpp 2025-08-17 19:18:00 +08:00
parent 2824f3ce6d
commit 3eb09d06c1

View file

@ -312,19 +312,23 @@ func (tx *BlobTx) decode(input []byte) error {
return err return err
} }
// If the bLen is equal to the length of the input, it means that the sidecar is not present.
if len(input) == bLen {
return nil
}
type sidecarNoVersion struct { type sidecarNoVersion struct {
Blobs []kzg4844.Blob // Blobs needed by the blob pool Blobs []kzg4844.Blob // Blobs needed by the blob pool
Commitments []kzg4844.Commitment // Commitments needed by the blob pool Commitments []kzg4844.Commitment // Commitments needed by the blob pool
Proofs []kzg4844.Proof // Proofs needed by the blob pool Proofs []kzg4844.Proof // Proofs needed by the blob pool
} }
// If the input is shorter than the RLP-encoded transaction, it means // Decode the sidecar, which may or may not have a version byte.
// that the transaction does not have a sidecar.
if input = input[bLen:]; len(input) > 0 {
var ( var (
version = byte(0) version = byte(0)
sidecar = sidecarNoVersion{} sidecar = sidecarNoVersion{}
) )
input = input[bLen:]
kind, content, _, err := rlp.Split(input) kind, content, _, err := rlp.Split(input)
// If the first element is a byte, it means that the sidecar version is encoded. // If the first element is a byte, it means that the sidecar version is encoded.
if kind == rlp.Byte { if kind == rlp.Byte {
@ -342,7 +346,6 @@ func (tx *BlobTx) decode(input []byte) error {
Commitments: sidecar.Commitments, Commitments: sidecar.Commitments,
Proofs: sidecar.Proofs, Proofs: sidecar.Proofs,
} }
}
return nil return nil
} }