Added RPC "Call" for JS calls to contracts

cmd/mist/assets/qml/main.qml

@@ -45,8 +45,7 @@ ApplicationWindow {
 
 		mainSplit.setView(wallet.view, wallet.menuItem);
 
-		//newBrowserTab("http://etherian.io");
+		newBrowserTab("http://etherian.io");
-		newBrowserTab("file:///users/jeffrey/test.html");
 
 		// Command setup
 		gui.sendCommand(0)

javascript/javascript_runtime.go

@@ -58,8 +58,7 @@ func NewJSRE(ethereum *eth.Ethereum) *JSRE {
 	re.Vm.Run(jsLib)
 
 	// Load extra javascript files
-	re.LoadIntFile("string.js")
+	re.LoadIntFile("bignumber.min.js")
-	re.LoadIntFile("big.js")
 
 	// Subscribe to events
 	mux := ethereum.EventMux()

rpc/args.go

@@ -28,10 +28,11 @@ func (obj *GetBlockArgs) requirements() error {
 }
 
 type NewTxArgs struct {
-	Recipient string `json:"recipient"`
+	From     string `json:"from"`
+	To       string `json:"to"`
 	Value    string `json:"value"`
 	Gas      string `json:"gas"`
-	GasPrice  string `json:"gasprice"`
+	GasPrice string `json:"gasPrice"`
 	Data     string `json:"data"`
 }
 

rpc/packages.go

@@ -67,8 +67,17 @@ func (p *EthereumApi) Transact(args *NewTxArgs, reply *interface{}) error {
 	if err != nil {
 		return err
 	}
-	result, _ := p.xeth.Transact( /* TODO specify account */ args.Recipient, args.Value, args.Gas, args.GasPrice, args.Data)
+	result, _ := p.xeth.Transact( /* TODO specify account */ args.To, args.Value, args.Gas, args.GasPrice, args.Data)
-	fmt.Println("result:", result)
+	*reply = result
+	return nil
+}
+
+func (p *EthereumApi) Call(args *NewTxArgs, reply *interface{}) error {
+	result, err := p.xeth.Call( /* TODO specify account */ args.To, args.Value, args.Gas, args.GasPrice, args.Data)
+	if err != nil {
+		return err
+	}
+
 	*reply = result
 	return nil
 }
@@ -206,6 +215,12 @@ func (p *EthereumApi) GetRequestReply(req *RpcRequest, reply *interface{}) error
 			return err
 		}
 		return p.Transact(args, reply)
+	case "eth_call":
+		args, err := req.ToNewTxArgs()
+		if err != nil {
+			return err
+		}
+		return p.Call(args, reply)
 	case "web3_sha3":
 		args, err := req.ToSha3Args()
 		if err != nil {

vm/vm.go

@@ -634,6 +634,8 @@ func (self *Vm) Run(me, caller ContextRef, code []byte, value, gas, price *big.I
 				continue
 			}
 
+			self.Printf(" ~> false")
+
 		case JUMPDEST:
 		case PC:
 			stack.Push(big.NewInt(int64(pc)))

xeth/xeth.go

@@ -204,6 +204,34 @@ func (self *XEth) PushTx(encodedTx string) (string, error) {
 	return toHex(tx.Hash()), nil
 }
 
+func (self *XEth) Call(toStr, valueStr, gasStr, gasPriceStr, dataStr string) (string, error) {
+	if len(gasStr) == 0 {
+		gasStr = "100000"
+	}
+	if len(gasPriceStr) == 0 {
+		gasPriceStr = "1"
+	}
+
+	var (
+		statedb   = self.chainManager.TransState()
+		initiator = state.NewStateObject(self.eth.KeyManager().KeyPair().Address(), self.eth.Db())
+		block     = self.chainManager.CurrentBlock()
+		to        = statedb.GetOrNewStateObject(fromHex(toStr))
+		data      = fromHex(dataStr)
+		gas       = ethutil.Big(gasStr)
+		price     = ethutil.Big(gasPriceStr)
+		value     = ethutil.Big(valueStr)
+	)
+
+	vmenv := NewEnv(self.chainManager, statedb, block, value, initiator.Address())
+	res, err := vmenv.Call(initiator, to.Address(), data, gas, price, value)
+	if err != nil {
+		return "", err
+	}
+
+	return toHex(res), nil
+}
+
 func (self *XEth) Transact(toStr, valueStr, gasStr, gasPriceStr, codeStr string) (string, error) {
 
 	var (