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signer/core/apitypes: add cell proofs

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This commit is contained in:
MariusVanDerWijden 2025-10-14 13:20:55 +02:00
parent 40505a9bc0
commit 9a0dcec95c
1 changed files with 35 additions and 14 deletions
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49
signer/core/apitypes/types.go
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@ -108,6 +108,7 @@ type SendTxArgs struct {
BlobHashes []common.Hash `json:"blobVersionedHashes,omitempty"`
// For BlobTxType transactions with blob sidecar
BlobVersion byte `json:"blobVersion,omitempty"`
Blobs []kzg4844.Blob `json:"blobs,omitempty"`
Commitments []kzg4844.Commitment `json:"commitments,omitempty"`
Proofs []kzg4844.Proof `json:"proofs,omitempty"`
@ -235,13 +236,26 @@ func (args *SendTxArgs) validateTxSidecar() error {
if args.Commitments != nil && len(args.Commitments) != n {
return fmt.Errorf("number of blobs and commitments mismatch (have=%d, want=%d)", len(args.Commitments), n)
}
if args.Proofs != nil && len(args.Proofs) != n {
return fmt.Errorf("number of blobs and proofs mismatch (have=%d, want=%d)", len(args.Proofs), n)
}
if args.BlobHashes != nil && len(args.BlobHashes) != n {
return fmt.Errorf("number of blobs and hashes mismatch (have=%d, want=%d)", len(args.BlobHashes), n)
}
if args.Proofs != nil {
if len(args.Proofs) == n {
// v1 transaction
for i, b := range args.Blobs {
if err := kzg4844.VerifyBlobProof(&b, args.Commitments[i], args.Proofs[i]); err != nil {
return fmt.Errorf("failed to verify blob proof: %v", err)
}
}
} else if len(args.Proofs) == n*kzg4844.CellProofsPerBlob {
// v2 transaction
if err := kzg4844.VerifyCellProofs(args.Blobs, args.Commitments, args.Proofs); err != nil {
return fmt.Errorf("failed to verify blob proof: %v", err)
}
} else {
return fmt.Errorf("number of proofs and blobs mismatch (have=%d, want=%d or %d)", len(args.Proofs), n, n*kzg4844.CellProofsPerBlob)
}
}
if args.Commitments == nil {
// Generate commitment and proof.
commitments := make([]kzg4844.Commitment, n)
@ -252,20 +266,27 @@ func (args *SendTxArgs) validateTxSidecar() error {
return fmt.Errorf("blobs[%d]: error computing commitment: %v", i, err)
}
commitments[i] = c
p, err := kzg4844.ComputeBlobProof(&b, c)
if err != nil {
return fmt.Errorf("blobs[%d]: error computing proof: %v", i, err)
}
if args.BlobVersion == 1 {
for i, b := range args.Blobs {
p, err := kzg4844.ComputeCellProofs(&b)
if err != nil {
return fmt.Errorf("blobs[%d]: error computing cell proof: %v", i, err)
}
proofs = append(proofs, p...)
}
} else {
for i, b := range args.Blobs {
p, err := kzg4844.ComputeBlobProof(&b, commitments[i])
if err != nil {
return fmt.Errorf("blobs[%d]: error computing proof: %v", i, err)
}
proofs[i] = p
}
proofs[i] = p
}
args.Commitments = commitments
args.Proofs = proofs
} else {
for i, b := range args.Blobs {
if err := kzg4844.VerifyBlobProof(&b, args.Commitments[i], args.Proofs[i]); err != nil {
return fmt.Errorf("failed to verify blob proof: %v", err)
}
}
}
hashes := make([]common.Hash, n)