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https://github.com/OffchainLabs/prysm.git
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774b9a7159
* Migrate Prysm repo to Offchain Labs organization ahead of Pectra upgrade v6 * Replace prysmaticlabs with OffchainLabs on general markdowns * Update mock * Gazelle and add mock.go to excluded generated mock file
45 lines
1.2 KiB
Go
45 lines
1.2 KiB
Go
package kzg
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import (
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"github.com/OffchainLabs/prysm/v6/consensus-types/blocks"
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GoKZG "github.com/crate-crypto/go-kzg-4844"
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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) *GoKZG.Blob {
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var ret GoKZG.Blob
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copy(ret[:], blob)
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return &ret
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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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