1 files changed, 35 insertions, 6 deletions

diff --git a/rpc/api/eth_args.go b/rpc/api/eth_args.go
index 1c86bee51..bf8ffead6 100644
--- a/rpc/api/eth_args.go
+++ b/rpc/api/eth_args.go
@@ -226,6 +226,35 @@ func (args *GetDataArgs) UnmarshalJSON(b []byte) (err error) {
 	return nil
 }
 
+type NewDataArgs struct {
+	Data string
+}
+
+func (args *NewDataArgs) UnmarshalJSON(b []byte) (err error) {
+	var obj []interface{}
+
+	if err := json.Unmarshal(b, &obj); err != nil {
+		return shared.NewDecodeParamError(err.Error())
+	}
+
+	// Check for sufficient params
+	if len(obj) < 1 {
+		return shared.NewInsufficientParamsError(len(obj), 1)
+	}
+
+	data, ok := obj[0].(string)
+	if !ok {
+		return shared.NewInvalidTypeError("data", "not a string")
+	}
+	args.Data = data
+
+	if len(args.Data) == 0 {
+		return shared.NewValidationError("data", "is required")
+	}
+
+	return nil
+}
+
 type NewSigArgs struct {
 	From string
 	Data string
@@ -437,21 +466,21 @@ func (args *CallArgs) UnmarshalJSON(b []byte) (err error) {
 	}
 	args.Value = num
 
-	if ext.Gas == nil {
-		num = big.NewInt(0)
-	} else {
+	if ext.Gas != nil {
 		if num, err = numString(ext.Gas); err != nil {
 			return err
 		}
+	} else {
+		num = nil
 	}
 	args.Gas = num
 
-	if ext.GasPrice == nil {
-		num = big.NewInt(0)
-	} else {
+	if ext.GasPrice != nil {
 		if num, err = numString(ext.GasPrice); err != nil {
 			return err
 		}
+	} else {
+		num = nil
 	}
 	args.GasPrice = num