xeth, rpc: added nonce setting through RPC and xeth transact

2 files changed, 17 insertions, 1 deletions

diff --git a/rpc/api.go b/rpc/api.go
index 6d3a20bfa..b79a1306e 100644
--- a/rpc/api.go
+++ b/rpc/api.go
@@ -173,7 +173,13 @@ func (api *EthereumApi) GetRequestReply(req *RpcRequest, reply *interface{}) err
 			return fmt.Errorf("Transaction not confirmed")
 		}
 
-		v, err := api.xeth().Transact(args.From, args.To, args.Value.String(), args.Gas.String(), args.GasPrice.String(), args.Data)
+		// nonce may be nil ("guess" mode)
+		var nonce string
+		if args.Nonce != nil {
+			nonce = args.Nonce.String()
+		}
+
+		v, err := api.xeth().Transact(args.From, args.To, nonce, args.Value.String(), args.Gas.String(), args.GasPrice.String(), args.Data)
 		if err != nil {
 			return err
 		}
diff --git a/rpc/args.go b/rpc/args.go
index 4bd48e6d6..e61f28c4f 100644
--- a/rpc/args.go
+++ b/rpc/args.go
@@ -157,6 +157,7 @@ func (args *GetBlockByNumberArgs) UnmarshalJSON(b []byte) (err error) {
 type NewTxArgs struct {
 	From     string
 	To       string
+	Nonce    *big.Int
 	Value    *big.Int
 	Gas      *big.Int
 	GasPrice *big.Int
@@ -170,6 +171,7 @@ func (args *NewTxArgs) UnmarshalJSON(b []byte) (err error) {
 	var ext struct {
 		From     string
 		To       string
+		Nonce    interface{}
 		Value    interface{}
 		Gas      interface{}
 		GasPrice interface{}
@@ -200,6 +202,14 @@ func (args *NewTxArgs) UnmarshalJSON(b []byte) (err error) {
 	args.Data = ext.Data
 
 	var num *big.Int
+	if ext.Nonce != nil {
+		num, err = numString(ext.Nonce)
+		if err != nil {
+			return err
+		}
+	}
+	args.Nonce = num
+
 	if ext.Value == nil {
 		num = big.NewInt(0)
 	} else {