Fix NonceFromJson with a passed in NewNonce (#24)

Signed-off-by: Mikaela <[email protected]>

Co-authored-by: Philip Feairheller <[email protected]>

pkg/libursa/ursa/ursa.go

@@ -7,7 +7,6 @@ package ursa
 */
 import "C"
 import (
-	"fmt"
 	"unsafe"
 
 	"github.com/pkg/errors"
@@ -34,7 +33,7 @@ func NewNonce() (*Nonce, error) {
 //NonceFromJson creates and returns nonce json
 func NonceFromJSON(jsn string) (*Nonce, error) {
 	var handle unsafe.Pointer
-	cjson := C.CString(fmt.Sprintf(`"%s"`, jsn))
+	cjson := C.CString(jsn)
 	defer C.free(unsafe.Pointer(cjson))
 
 	result := C.ursa_cl_nonce_from_json(cjson, &handle)

pkg/libursa/ursa/ursa_test.go

@@ -48,6 +48,17 @@ func TestNonceFromJSON(t *testing.T) {
 		assert.Empty(t, n)
 		assert.NotEmpty(t, err)
 	})
+
+	t.Run("Pass NonceToJson", func(t *testing.T) {
+		n, err := NewNonce()
+		assert.Empty(t, err)
+		assert.NotEmpty(t, n)
+
+
+		noncePtr, err := NonceFromJson(n)
+		assert.Empty(t, err)
+		assert.NotEmpty(t, noncePtr)
+	})
 }
 
 func TestCredentialKeyCorrectnessProofFromJSON(t *testing.T) {