/
main_test.go
266 lines (228 loc) · 7.47 KB
/
main_test.go
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package fuzz
import (
"math/rand"
"os"
"testing"
gokzg "github.com/crate-crypto/go-kzg-4844"
ckzg "github.com/ethereum/c-kzg-4844/bindings/go"
"github.com/stretchr/testify/require"
)
var gokzgCtx *gokzg.Context
func TestMain(m *testing.M) {
err := ckzg.LoadTrustedSetupFile("trusted_setup.txt")
if err != nil {
panic("Failed to load trusted setup")
}
gokzgCtx, err = gokzg.NewContext4096Secure()
if err != nil {
panic("Failed to create context")
}
code := m.Run()
ckzg.FreeTrustedSetup()
os.Exit(code)
}
///////////////////////////////////////////////////////////////////////////////
// Differential Fuzzing Functions
///////////////////////////////////////////////////////////////////////////////
func FuzzBlobToKZGCommitment(f *testing.F) {
f.Fuzz(func(t *testing.T, seed int64) {
cKzgBlob, goKzgBlob, ok := GetRandBlob(t, seed)
if !ok {
t.SkipNow()
}
cKzgCommitment, cKzgErr := ckzg.BlobToKZGCommitment(cKzgBlob)
goKzgCommitment, goKzgErr := gokzgCtx.BlobToKZGCommitment(goKzgBlob, 1)
require.Equal(t, cKzgErr == nil, goKzgErr == nil)
if cKzgErr == nil && goKzgErr == nil {
require.Equal(t, cKzgCommitment[:], goKzgCommitment[:])
}
})
}
func FuzzComputeKZGProof(f *testing.F) {
f.Fuzz(func(t *testing.T, seed int64) {
cKzgBlob, goKzgBlob, ok := GetRandBlob(t, seed)
if !ok {
t.SkipNow()
}
cKzgZ, goKzgZ, ok := GetRandFieldElement(t, seed)
if !ok {
t.SkipNow()
}
cKzgProof, cKzgY, cKzgErr := ckzg.ComputeKZGProof(cKzgBlob, cKzgZ)
goKzgProof, goKzgY, goKzgErr := gokzgCtx.ComputeKZGProof(goKzgBlob, goKzgZ, 1)
require.Equal(t, cKzgErr == nil, goKzgErr == nil)
if cKzgErr == nil && goKzgErr == nil {
require.Equal(t, cKzgProof[:], goKzgProof[:])
require.Equal(t, cKzgY[:], goKzgY[:])
}
})
}
func FuzzComputeBlobKZGProof(f *testing.F) {
f.Fuzz(func(t *testing.T, seed int64) {
cKzgBlob, goKzgBlob, ok := GetRandBlob(t, seed)
if !ok {
t.SkipNow()
}
cKzgCommitment, goKzgCommitment, ok := GetRandCommitment(t, seed)
if !ok {
t.SkipNow()
}
cKzgProof, cKzgErr := ckzg.ComputeBlobKZGProof(cKzgBlob, cKzgCommitment)
goKzgProof, goKzgErr := gokzgCtx.ComputeBlobKZGProof(goKzgBlob, goKzgCommitment, 1)
require.Equal(t, cKzgErr == nil, goKzgErr == nil)
if cKzgErr == nil && goKzgErr == nil {
require.Equal(t, cKzgProof[:], goKzgProof[:])
}
})
}
func FuzzVerifyKZGProof(f *testing.F) {
f.Fuzz(func(t *testing.T, seed int64) {
cKzgCommitment, goKzgCommitment, ok := GetRandCommitment(t, seed)
if !ok {
t.SkipNow()
}
cKzgZ, goKzgZ, ok := GetRandFieldElement(t, seed)
if !ok {
t.SkipNow()
}
cKzgY, goKzgY, ok := GetRandFieldElement(t, seed)
if !ok {
t.SkipNow()
}
cKzgProof, goKzgProof, ok := GetRandProof(t, seed)
if !ok {
t.SkipNow()
}
rand.Seed(seed)
if seed%2 == 0 {
var cKzgErr, goKzgErr error
var cKzgProofTrusted ckzg.KZGProof
// Generate a blob that'll be used to make a commitment/proof
cKzgBlob, goKzgBlob, ok := GetRandBlob(t, seed)
if !ok {
t.SkipNow()
}
// Generate a KZGCommitment to that blob
cKzgCommitmentTrusted, cKzgErr := ckzg.BlobToKZGCommitment(cKzgBlob)
cKzgCommitment = ckzg.Bytes48(cKzgCommitmentTrusted)
goKzgCommitment, goKzgErr = gokzgCtx.BlobToKZGCommitment(goKzgBlob, 1)
require.Equal(t, cKzgErr == nil, goKzgErr == nil)
if cKzgErr == nil && goKzgErr == nil {
require.Equal(t, cKzgCommitment[:], goKzgCommitment[:])
}
// Generate a KZGProof to that blob/point
cKzgProofTrusted, cKzgY, cKzgErr = ckzg.ComputeKZGProof(cKzgBlob, cKzgZ)
cKzgProof = ckzg.Bytes48(cKzgProofTrusted)
goKzgProof, goKzgY, goKzgErr = gokzgCtx.ComputeKZGProof(goKzgBlob, goKzgZ, 1)
require.Equal(t, cKzgErr == nil, goKzgErr == nil)
if cKzgErr == nil && goKzgErr == nil {
require.Equal(t, cKzgProof[:], goKzgProof[:])
}
}
cKzgResult, cKzgErr := ckzg.VerifyKZGProof(cKzgCommitment, cKzgZ, cKzgY, cKzgProof)
goKzgErr := gokzgCtx.VerifyKZGProof(goKzgCommitment, goKzgZ, goKzgY, goKzgProof)
goKzgResult := goKzgErr == nil
t.Logf("go-kzg error: %v\n", cKzgErr)
require.Equal(t, cKzgErr == nil, goKzgErr == nil)
if cKzgErr == nil && goKzgErr == nil {
require.Equal(t, cKzgResult, goKzgResult)
}
})
}
func FuzzVerifyBlobKZGProof(f *testing.F) {
f.Fuzz(func(t *testing.T, seed int64) {
cKzgBlob, goKzgBlob, ok := GetRandBlob(t, seed)
if !ok {
t.SkipNow()
}
cKzgCommitment, goKzgCommitment, ok := GetRandCommitment(t, seed)
if !ok {
t.SkipNow()
}
cKzgProof, goKzgProof, ok := GetRandProof(t, seed)
if !ok {
t.SkipNow()
}
if seed%2 == 0 {
var cKzgErr, goKzgErr error
var cKzgProofTrusted ckzg.KZGProof
// Generate a KZGProof to that blob/commitment
cKzgProofTrusted, cKzgErr = ckzg.ComputeBlobKZGProof(cKzgBlob, cKzgCommitment)
cKzgProof = ckzg.Bytes48(cKzgProofTrusted)
goKzgProof, goKzgErr = gokzgCtx.ComputeBlobKZGProof(goKzgBlob, goKzgCommitment, 1)
require.Equal(t, cKzgErr == nil, goKzgErr == nil)
if cKzgErr == nil && goKzgErr == nil {
require.Equal(t, cKzgProof[:], goKzgProof[:])
}
}
cKzgResult, cKzgErr := ckzg.VerifyBlobKZGProof(cKzgBlob, cKzgCommitment, cKzgProof)
goKzgErr := gokzgCtx.VerifyBlobKZGProof(goKzgBlob, goKzgCommitment, goKzgProof)
goKzgResult := goKzgErr == nil
t.Logf("go-kzg error: %v\n", cKzgErr)
require.Equal(t, cKzgErr == nil, goKzgErr == nil)
if cKzgErr == nil && goKzgErr == nil {
require.Equal(t, cKzgResult, goKzgResult)
}
})
}
func FuzzVerifyBlobKZGProofBatch(f *testing.F) {
f.Fuzz(func(t *testing.T, seed int64) {
// Between 1 and 5, inclusive
count := (rand.Uint64() % 5) + 1
cKzgBlobs := make([]ckzg.Blob, count)
cKzgCommitments := make([]ckzg.Bytes48, count)
cKzgProofs := make([]ckzg.Bytes48, count)
goKzgBlobs := make([]gokzg.Blob, count)
goKzgCommitments := make([]gokzg.KZGCommitment, count)
goKzgProofs := make([]gokzg.KZGProof, count)
for i := 0; i < int(count); i++ {
var cKzgBlob ckzg.Blob
var cKzgCommitment ckzg.Bytes48
var cKzgProof ckzg.Bytes48
var goKzgBlob gokzg.Blob
var goKzgCommitment gokzg.KZGCommitment
var goKzgProof gokzg.KZGProof
completelyRandom := rand.Intn(2) != 0
if completelyRandom {
var ok bool
cKzgBlob, goKzgBlob, ok = GetRandBlob(t, seed)
if !ok {
t.SkipNow()
}
cKzgCommitment, goKzgCommitment, ok = GetRandCommitment(t, seed)
if !ok {
t.SkipNow()
}
cKzgProof, goKzgProof, ok = GetRandProof(t, seed)
if !ok {
t.SkipNow()
}
} else {
var cKzgErr, goKzgErr error
var cKzgProofTrusted ckzg.KZGProof
// Generate a KZGProof to that blob/commitment
cKzgProofTrusted, cKzgErr = ckzg.ComputeBlobKZGProof(cKzgBlob, cKzgCommitment)
cKzgProof = ckzg.Bytes48(cKzgProofTrusted)
goKzgProof, goKzgErr = gokzgCtx.ComputeBlobKZGProof(goKzgBlob, goKzgCommitment, 1)
require.Equal(t, cKzgErr == nil, goKzgErr == nil)
if cKzgErr == nil && goKzgErr == nil {
require.Equal(t, cKzgProof[:], goKzgProof[:])
}
}
cKzgBlobs[i] = cKzgBlob
cKzgCommitments[i] = cKzgCommitment
cKzgProofs[i] = cKzgProof
goKzgBlobs[i] = goKzgBlob
goKzgCommitments[i] = goKzgCommitment
goKzgProofs[i] = goKzgProof
}
cKzgResult, cKzgErr := ckzg.VerifyBlobKZGProofBatch(cKzgBlobs, cKzgCommitments, cKzgProofs)
goKzgErr := gokzgCtx.VerifyBlobKZGProofBatch(goKzgBlobs, goKzgCommitments, goKzgProofs)
goKzgResult := goKzgErr == nil
t.Logf("go-kzg error: %v\n", cKzgErr)
require.Equal(t, cKzgErr == nil, goKzgErr == nil)
if cKzgErr == nil && goKzgErr == nil {
require.Equal(t, cKzgResult, goKzgResult)
}
})
}