Implemented JavaScript console

ethereum/ethereum.go

@@ -52,7 +52,12 @@ func main() {
 	var logSys *log.Logger
 	flags := log.LstdFlags
 
-	ethutil.ReadConfig(DataDir)
+	if StartJsConsole {
+		ethutil.ReadConfig(DataDir, ethutil.LogFile)
+	} else {
+		ethutil.ReadConfig(DataDir, ethutil.LogFile|ethutil.LogStd)
+	}
+
 	logger := ethutil.Config.Log
 
 	if LogFile != "" {
@@ -145,9 +150,7 @@ save these words so you can restore your account later: %s
 
 		console := NewConsole(ethereum)
 		go console.Start()
-	}
-
-	if StartExp {
+	} else if StartJsConsole {
 		c := NewJSConsole(ethereum)
 
 		go c.Start()

ethereum/javascript_console.go

@@ -21,7 +21,7 @@ func NewJSConsole(ethereum *eth.Ethereum) *JSConsole {
 func (self *JSConsole) Start() {
 	self.initBindings()
 
-	fmt.Println("Eth JS Console")
+	fmt.Println("Eth JavaScript console")
 	reader := bufio.NewReader(os.Stdin)
 	for {
 		fmt.Printf("eth >>> ")
@@ -29,16 +29,18 @@ func (self *JSConsole) Start() {
 		if err != nil {
 			fmt.Println("Error reading input", err)
 		} else {
-			if string(str) == "quit" {
-				return
-			}
-
 			self.ParseInput(string(str))
 		}
 	}
 }
 
 func (self *JSConsole) ParseInput(code string) {
+	defer func() {
+		if r := recover(); r != nil {
+			fmt.Println("[native] error", r)
+		}
+	}()
+
 	value, err := self.vm.Run(code)
 	if err != nil {
 		fmt.Println(err)
@@ -48,29 +50,59 @@ func (self *JSConsole) ParseInput(code string) {
 	fmt.Println(value)
 }
 
-type OtherStruct struct {
-	Test string
+func (self *JSConsole) initBindings() {
+	t := &JSWrapper{self.lib, self.vm}
+
+	self.vm.Set("eth", t)
 }
 
+// The JS wrapper attempts to wrap the PEthereum object and returns
+// proper javascript objects
 type JSWrapper struct {
-	pub *ethpub.PEthereum
+	*ethpub.PEthereum
 	vm *otto.Otto
 }
 
 func (self *JSWrapper) GetKey() otto.Value {
-	result, err := self.vm.ToValue(self.pub.GetKey())
+	return self.toVal(self.PEthereum.GetKey())
+}
+
+func (self *JSWrapper) GetStateObject(addr string) otto.Value {
+	return self.toVal(self.PEthereum.GetStateObject(addr))
+}
+
+func (self *JSWrapper) Transact(key, recipient, valueStr, gasStr, gasPriceStr, dataStr string) otto.Value {
+	r, err := self.PEthereum.Transact(key, recipient, valueStr, gasStr, gasPriceStr, dataStr)
 	if err != nil {
 		fmt.Println(err)
 
 		return otto.UndefinedValue()
 	}
 
-	return result
+	return self.toVal(r)
+}
+
+func (self *JSWrapper) Create(key, valueStr, gasStr, gasPriceStr, initStr, bodyStr string) otto.Value {
+	r, err := self.PEthereum.Create(key, valueStr, gasStr, gasPriceStr, initStr, bodyStr)
 
+	if err != nil {
+		fmt.Println(err)
+
+		return otto.UndefinedValue()
+	}
+
+	return self.toVal(r)
 }
 
-func (self *JSConsole) initBindings() {
-	t := &JSWrapper{self.lib, self.vm}
+// Wrapper function
+func (self *JSWrapper) toVal(v interface{}) otto.Value {
+	result, err := self.vm.ToValue(v)
 
-	self.vm.Set("eth", t)
+	if err != nil {
+		fmt.Println(err)
+
+		return otto.UndefinedValue()
+	}
+
+	return result
 }