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Fix cyclical dependency (#15248)

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* fix cyclical dependency

* fix bazel file

* fix comments

* fix: Break cyclical dependency by importing GetRandBlob directly from crypto/random

* add changelog
This commit is contained in:
Nilav Prajapati
2025-05-20 21:49:36 +05:30
committed by GitHub
parent a8ce85f8de
commit d6bbfff8b7
8 changed files with 142 additions and 69 deletions
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32
testing/util/deneb.go
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@@ -1,8 +1,6 @@
package util
import (
"bytes"
"crypto/sha256"
"encoding/binary"
"math/big"
"testing"
@@ -13,17 +11,16 @@ import (
"github.com/OffchainLabs/prysm/v6/consensus-types/blocks"
"github.com/OffchainLabs/prysm/v6/consensus-types/primitives"
"github.com/OffchainLabs/prysm/v6/crypto/bls"
"github.com/OffchainLabs/prysm/v6/crypto/random"
"github.com/OffchainLabs/prysm/v6/encoding/bytesutil"
"github.com/OffchainLabs/prysm/v6/network/forks"
enginev1 "github.com/OffchainLabs/prysm/v6/proto/engine/v1"
ethpb "github.com/OffchainLabs/prysm/v6/proto/prysm/v1alpha1"
"github.com/OffchainLabs/prysm/v6/testing/require"
"github.com/OffchainLabs/prysm/v6/time/slots"
"github.com/consensys/gnark-crypto/ecc/bls12-381/fr"
GoKZG "github.com/crate-crypto/go-kzg-4844"
"github.com/ethereum/go-ethereum/common"
gethTypes "github.com/ethereum/go-ethereum/core/types"
"github.com/sirupsen/logrus"
)
type DenebBlockGeneratorOption func(*denebBlockGenerator)
@@ -203,35 +200,16 @@ func ExtendBlocksPlusBlobs(t *testing.T, blks []blocks.ROBlock, size int) ([]blo
return blks, blobs
}
func deterministicRandomness(seed int64) [32]byte {
// Converts an int64 to a byte slice
buf := new(bytes.Buffer)
err := binary.Write(buf, binary.BigEndian, seed)
if err != nil {
logrus.WithError(err).Error("Failed to write int64 to bytes buffer")
return [32]byte{}
}
bytes := buf.Bytes()
return sha256.Sum256(bytes)
func DeterministicRandomness(seed int64) [32]byte {
return random.DeterministicRandomness(seed)
}
// Returns a serialized random field element in big-endian
func GetRandFieldElement(seed int64) [32]byte {
bytes := deterministicRandomness(seed)
var r fr.Element
r.SetBytes(bytes[:])
return GoKZG.SerializeScalar(r)
return random.GetRandFieldElement(seed)
}
// Returns a random blob using the passed seed as entropy
func GetRandBlob(seed int64) GoKZG.Blob {
var blob GoKZG.Blob
bytesPerBlob := GoKZG.ScalarsPerBlob * GoKZG.SerializedScalarSize
for i := 0; i < bytesPerBlob; i += GoKZG.SerializedScalarSize {
fieldElementBytes := GetRandFieldElement(seed + int64(i))
copy(blob[i:i+GoKZG.SerializedScalarSize], fieldElementBytes[:])
}
return blob
return random.GetRandBlob(seed)
}