forked from cerc-io/plugeth
Merge branch 'feature/otto' into develop
This commit is contained in:
commit
2ac292dc7a
@ -39,7 +39,7 @@ func main() {
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runtime.GOMAXPROCS(runtime.NumCPU())
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ethchain.InitFees()
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ethutil.ReadConfig(DataDir)
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ethutil.ReadConfig(DataDir, ethutil.LogFile|ethutil.LogStd)
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// Instantiated a eth stack
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ethereum, err := eth.New(eth.CapDefault, UseUPnP)
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@ -20,6 +20,7 @@ var ExportKey bool
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var LogFile string
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var DataDir string
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var NonInteractive bool
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var StartJsConsole bool
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func Init() {
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flag.BoolVar(&StartConsole, "c", false, "debug and testing console")
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@ -38,6 +39,7 @@ func Init() {
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flag.StringVar(&DataDir, "dir", ".ethereum", "ethereum data directory")
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flag.StringVar(&ImportKey, "import", "", "imports the given private key (hex)")
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flag.IntVar(&MaxPeer, "x", 5, "maximum desired peers")
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flag.BoolVar(&StartJsConsole, "js", false, "exp")
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flag.Parse()
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}
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@ -52,7 +52,12 @@ func main() {
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var logSys *log.Logger
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flags := log.LstdFlags
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ethutil.ReadConfig(DataDir)
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if StartJsConsole {
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ethutil.ReadConfig(DataDir, ethutil.LogFile)
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} else {
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ethutil.ReadConfig(DataDir, ethutil.LogFile|ethutil.LogStd)
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}
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logger := ethutil.Config.Log
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if LogFile != "" {
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@ -145,7 +150,12 @@ save these words so you can restore your account later: %s
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console := NewConsole(ethereum)
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go console.Start()
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} else if StartJsConsole {
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c := NewJSConsole(ethereum)
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go c.Start()
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}
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if StartRpc {
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utils.DoRpc(ethereum, RpcPort)
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}
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108
ethereum/javascript_console.go
Normal file
108
ethereum/javascript_console.go
Normal file
@ -0,0 +1,108 @@
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package main
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import (
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"bufio"
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"fmt"
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"github.com/ethereum/eth-go"
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"github.com/ethereum/eth-go/ethpub"
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"github.com/robertkrimen/otto"
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"os"
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)
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type JSConsole struct {
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vm *otto.Otto
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lib *ethpub.PEthereum
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}
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func NewJSConsole(ethereum *eth.Ethereum) *JSConsole {
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return &JSConsole{vm: otto.New(), lib: ethpub.NewPEthereum(ethereum)}
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}
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func (self *JSConsole) Start() {
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self.initBindings()
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fmt.Println("Eth JavaScript console")
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reader := bufio.NewReader(os.Stdin)
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for {
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fmt.Printf("eth >>> ")
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str, _, err := reader.ReadLine()
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if err != nil {
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fmt.Println("Error reading input", err)
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} else {
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self.ParseInput(string(str))
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}
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}
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}
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func (self *JSConsole) ParseInput(code string) {
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defer func() {
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if r := recover(); r != nil {
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fmt.Println("[native] error", r)
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}
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}()
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value, err := self.vm.Run(code)
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if err != nil {
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fmt.Println(err)
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return
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}
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fmt.Println(value)
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}
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func (self *JSConsole) initBindings() {
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t := &JSWrapper{self.lib, self.vm}
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self.vm.Set("eth", t)
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}
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// The JS wrapper attempts to wrap the PEthereum object and returns
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// proper javascript objects
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type JSWrapper struct {
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*ethpub.PEthereum
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vm *otto.Otto
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}
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func (self *JSWrapper) GetKey() otto.Value {
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return self.toVal(self.PEthereum.GetKey())
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}
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func (self *JSWrapper) GetStateObject(addr string) otto.Value {
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return self.toVal(self.PEthereum.GetStateObject(addr))
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}
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func (self *JSWrapper) Transact(key, recipient, valueStr, gasStr, gasPriceStr, dataStr string) otto.Value {
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r, err := self.PEthereum.Transact(key, recipient, valueStr, gasStr, gasPriceStr, dataStr)
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if err != nil {
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fmt.Println(err)
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return otto.UndefinedValue()
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}
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return self.toVal(r)
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}
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func (self *JSWrapper) Create(key, valueStr, gasStr, gasPriceStr, initStr, bodyStr string) otto.Value {
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r, err := self.PEthereum.Create(key, valueStr, gasStr, gasPriceStr, initStr, bodyStr)
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if err != nil {
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fmt.Println(err)
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return otto.UndefinedValue()
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}
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return self.toVal(r)
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}
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// Wrapper function
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func (self *JSWrapper) toVal(v interface{}) otto.Value {
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result, err := self.vm.ToValue(v)
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if err != nil {
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fmt.Println(err)
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return otto.UndefinedValue()
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}
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return result
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}
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