test(utils.go): add test for utils.go

crypto/ecc/bn254/utils_test.go

@@ -0,0 +1,76 @@
+package bn254_test
+
+import (
+	"testing"
+
+	"github.com/Layr-Labs/eigenda/core/bn254"
+	"github.com/consensys/gnark-crypto/ecc/bn254/fr"
+	"github.com/ethereum/go-ethereum/common"
+)
+
+func TestMapToCurve(t *testing.T) {
+	msg := [32]byte{}
+	copy(msg[:], "test message")
+
+	point := bn254.MapToCurve(msg)
+	if !point.IsOnCurve() {
+		t.Errorf("MapToCurve failed: point is not on the curve")
+	}
+}
+
+func TestCheckG1AndG2DiscreteLogEquality(t *testing.T) {
+	privKey := new(fr.Element).SetUint64(12345) // 示例私钥
+	pointG1 := bn254.MulByGeneratorG1(privKey)
+	pointG2 := bn254.MulByGeneratorG2(privKey)
+
+	ok, err := bn254.CheckG1AndG2DiscreteLogEquality(pointG1, pointG2)
+	if err != nil {
+		t.Fatalf("CheckG1AndG2DiscreteLogEquality returned an error: %v", err)
+	}
+	if !ok {
+		t.Errorf("CheckG1AndG2DiscreteLogEquality failed: expected true, got false")
+	}
+}
+
+func TestGetG1Generator(t *testing.T) {
+	gen := bn254.GetG1Generator()
+	if !gen.IsOnCurve() {
+		t.Errorf("GetG1Generator failed: generator is not on the curve")
+	}
+}
+
+func TestGetG2Generator(t *testing.T) {
+	gen := bn254.GetG2Generator()
+	if !gen.IsOnCurve() {
+		t.Errorf("GetG2Generator failed: generator is not on the curve")
+	}
+}
+
+func TestMulByGeneratorG1(t *testing.T) {
+	privKey := new(fr.Element).SetUint64(12345) // 示例私钥
+	point := bn254.MulByGeneratorG1(privKey)
+
+	if !point.IsOnCurve() {
+		t.Errorf("MulByGeneratorG1 failed: point is not on the curve")
+	}
+}
+
+func TestMulByGeneratorG2(t *testing.T) {
+	privKey := new(fr.Element).SetUint64(12345) // 示例私钥
+	point := bn254.MulByGeneratorG2(privKey)
+
+	if !point.IsOnCurve() {
+		t.Errorf("MulByGeneratorG2 failed: point is not on the curve")
+	}
+}
+
+func TestMakePubkeyRegistrationData(t *testing.T) {
+	privKey := new(fr.Element).SetUint64(12345) // 示例私钥
+	operatorAddress := common.HexToAddress("0x1234567890abcdef1234567890abcdef12345678")
+
+	pubkey := bn254.MakePubkeyRegistrationData(privKey, operatorAddress)
+
+	if !pubkey.IsOnCurve() {
+		t.Errorf("MakePubkeyRegistrationData failed: public key is not on the curve")
+	}
+}