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283e09569d
* Remove old types * Gen * Remove old types * Gen * Fix lint * Rm unused key * Kasey's comment
44 lines
1.2 KiB
Go
44 lines
1.2 KiB
Go
package kzg
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import (
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GoKZG "github.com/crate-crypto/go-kzg-4844"
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"github.com/prysmaticlabs/prysm/v4/consensus-types/blocks"
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)
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// Verify performs single or batch verification of commitments depending on the number of given BlobSidecars.
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func Verify(sidecars ...blocks.ROBlob) error {
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if len(sidecars) == 0 {
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return nil
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}
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if len(sidecars) == 1 {
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return kzgContext.VerifyBlobKZGProof(
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bytesToBlob(sidecars[0].Blob),
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bytesToCommitment(sidecars[0].KzgCommitment),
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bytesToKZGProof(sidecars[0].KzgProof))
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}
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blobs := make([]GoKZG.Blob, len(sidecars))
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cmts := make([]GoKZG.KZGCommitment, len(sidecars))
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proofs := make([]GoKZG.KZGProof, len(sidecars))
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for i, sidecar := range sidecars {
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blobs[i] = bytesToBlob(sidecar.Blob)
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cmts[i] = bytesToCommitment(sidecar.KzgCommitment)
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proofs[i] = bytesToKZGProof(sidecar.KzgProof)
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}
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return kzgContext.VerifyBlobKZGProofBatch(blobs, cmts, proofs)
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}
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func bytesToBlob(blob []byte) (ret GoKZG.Blob) {
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copy(ret[:], blob)
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return
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}
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func bytesToCommitment(commitment []byte) (ret GoKZG.KZGCommitment) {
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copy(ret[:], commitment)
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return
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}
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func bytesToKZGProof(proof []byte) (ret GoKZG.KZGProof) {
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copy(ret[:], proof)
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return
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}
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