prysm/beacon-chain/blockchain/kzg/validation_test.go

package kzg

import (
	"testing"

	"github.com/OffchainLabs/prysm/v6/consensus-types/blocks"
	"github.com/OffchainLabs/prysm/v6/crypto/random"
	"github.com/OffchainLabs/prysm/v6/testing/require"
	GoKZG "github.com/crate-crypto/go-kzg-4844"
)

func GenerateCommitmentAndProof(blob GoKZG.Blob) (GoKZG.KZGCommitment, GoKZG.KZGProof, error) {
	commitment, err := kzgContext.BlobToKZGCommitment(&blob, 0)
	if err != nil {
		return GoKZG.KZGCommitment{}, GoKZG.KZGProof{}, err
	}
	proof, err := kzgContext.ComputeBlobKZGProof(&blob, commitment, 0)
	if err != nil {
		return GoKZG.KZGCommitment{}, GoKZG.KZGProof{}, err
	}
	return commitment, proof, err
}

func TestVerify(t *testing.T) {
	blobSidecars := make([]blocks.ROBlob, 0)
	require.NoError(t, Verify(blobSidecars...))
}

func TestBytesToAny(t *testing.T) {
	bytes := []byte{0x01, 0x02}
	blob := GoKZG.Blob{0x01, 0x02}
	commitment := GoKZG.KZGCommitment{0x01, 0x02}
	proof := GoKZG.KZGProof{0x01, 0x02}
	require.DeepEqual(t, blob, *bytesToBlob(bytes))
	require.DeepEqual(t, commitment, bytesToCommitment(bytes))
	require.DeepEqual(t, proof, bytesToKZGProof(bytes))
}

func TestGenerateCommitmentAndProof(t *testing.T) {
	blob := random.GetRandBlob(123)
	commitment, proof, err := GenerateCommitmentAndProof(blob)
	require.NoError(t, err)
	expectedCommitment := GoKZG.KZGCommitment{180, 218, 156, 194, 59, 20, 10, 189, 186, 254, 132, 93, 7, 127, 104, 172, 238, 240, 237, 70, 83, 89, 1, 152, 99, 0, 165, 65, 143, 62, 20, 215, 230, 14, 205, 95, 28, 245, 54, 25, 160, 16, 178, 31, 232, 207, 38, 85}
	expectedProof := GoKZG.KZGProof{128, 110, 116, 170, 56, 111, 126, 87, 229, 234, 211, 42, 110, 150, 129, 206, 73, 142, 167, 243, 90, 149, 240, 240, 236, 204, 143, 182, 229, 249, 81, 27, 153, 171, 83, 70, 144, 250, 42, 1, 188, 215, 71, 235, 30, 7, 175, 86}
	require.Equal(t, expectedCommitment, commitment)
	require.Equal(t, expectedProof, proof)
}