tests/fuzzers: supply gnark multiexp config, fixes ethereum#26669 (et…

…hereum#26670) This change fixes a fuzzer which broke when we updated the gnark dependency earlier.
shekhirin · Jun 6, 2023 · b12c434 · b12c434
1 parent cea380d
commit b12c434
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/tests/fuzzers/bls12381/bls12381_fuzz.go b/tests/fuzzers/bls12381/bls12381_fuzz.go
@@ -26,6 +26,7 @@ import (
  "io"
  "math/big"
 
+ "github.com/consensys/gnark-crypto/ecc"
  gnark "github.com/consensys/gnark-crypto/ecc/bls12-381"
  "github.com/consensys/gnark-crypto/ecc/bls12-381/fp"
  "github.com/consensys/gnark-crypto/ecc/bls12-381/fr"
@@ -198,7 +199,7 @@ func FuzzCrossG1MultiExp(data []byte) int {
  }
  gethScalars = append(gethScalars, s)
  var gnarkScalar = &fr.Element{}
- gnarkScalar = gnarkScalar.SetBigInt(s).FromMont()
+ gnarkScalar = gnarkScalar.SetBigInt(s)
  gnarkScalars = append(gnarkScalars, *gnarkScalar)
 
  gethPoints = append(gethPoints, new(bls12381.PointG1).Set(kp1))
@@ -217,7 +218,7 @@ func FuzzCrossG1MultiExp(data []byte) int {
 
  // gnark multi exp
  cp := new(gnark.G1Affine)
- cp.MultiExp(gnarkPoints, gnarkScalars)
+ cp.MultiExp(gnarkPoints, gnarkScalars, ecc.MultiExpConfig{})
 
  // compare result
  if !(bytes.Equal(cp.Marshal(), g1.ToBytes(&kp))) {