2 files changed, 40 insertions, 4 deletions
diff --git a/rpc/args.go b/rpc/args.go
index 921d8e98c..c11ffa3cc 100644
--- a/rpc/args.go
+++ b/rpc/args.go
@@ -687,9 +687,8 @@ type WhisperIdentityArgs struct {
 }
 
 func (args *WhisperIdentityArgs) UnmarshalJSON(b []byte) (err error) {
-	var obj []string
-	r := bytes.NewReader(b)
-	if err := json.NewDecoder(r).Decode(&obj); err != nil {
+	var obj []interface{}
+	if err := json.Unmarshal(b, &obj); err != nil {
 		return NewDecodeParamError(err.Error())
 	}
 
@@ -697,7 +696,14 @@ func (args *WhisperIdentityArgs) UnmarshalJSON(b []byte) (err error) {
 		return NewInsufficientParamsError(len(obj), 1)
 	}
 
-	args.Identity = obj[0]
+	argstr, ok := obj[0].(string)
+	if !ok {
+		return NewInvalidTypeError("arg0", "not a string")
+	}
+	// if !common.IsHex(argstr) {
+	// 	return NewValidationError("arg0", "not a hexstring")
+	// }
+	args.Identity = argstr
 
 	return nil
 }
diff --git a/rpc/args_test.go b/rpc/args_test.go
index 7bbf729f2..b3df3ba38 100644
--- a/rpc/args_test.go
+++ b/rpc/args_test.go
@@ -1196,6 +1196,36 @@ func TestWhisperIdentityArgs(t *testing.T) {
 	}
 }
 
+func TestWhisperIdentityArgsInvalid(t *testing.T) {
+	input := `{}`
+
+	args := new(WhisperIdentityArgs)
+	str := ExpectDecodeParamError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Errorf(str)
+	}
+}
+
+func TestWhisperIdentityArgsEmpty(t *testing.T) {
+	input := `[]`
+
+	args := new(WhisperIdentityArgs)
+	str := ExpectInsufficientParamsError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Errorf(str)
+	}
+}
+
+func TestWhisperIdentityArgsInt(t *testing.T) {
+	input := `[4]`
+
+	args := new(WhisperIdentityArgs)
+	str := ExpectInvalidTypeError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Errorf(str)
+	}
+}
+
 func TestBlockNumIndexArgs(t *testing.T) {
 	input := `["0x29a", "0x0"]`
 	expected := new(BlockNumIndexArgs)