Merge branch 'feature/otto' into develop

This commit is contained in:
obscuren 2014-05-15 22:17:23 +02:00
commit 2ac292dc7a
4 changed files with 122 additions and 2 deletions

View File

@ -39,7 +39,7 @@ func main() {
runtime.GOMAXPROCS(runtime.NumCPU())
ethchain.InitFees()
ethutil.ReadConfig(DataDir)
ethutil.ReadConfig(DataDir, ethutil.LogFile|ethutil.LogStd)
// Instantiated a eth stack
ethereum, err := eth.New(eth.CapDefault, UseUPnP)

View File

@ -20,6 +20,7 @@ var ExportKey bool
var LogFile string
var DataDir string
var NonInteractive bool
var StartJsConsole bool
func Init() {
flag.BoolVar(&StartConsole, "c", false, "debug and testing console")
@ -38,6 +39,7 @@ func Init() {
flag.StringVar(&DataDir, "dir", ".ethereum", "ethereum data directory")
flag.StringVar(&ImportKey, "import", "", "imports the given private key (hex)")
flag.IntVar(&MaxPeer, "x", 5, "maximum desired peers")
flag.BoolVar(&StartJsConsole, "js", false, "exp")
flag.Parse()
}

View File

@ -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 != "" {
@ -145,7 +150,12 @@ save these words so you can restore your account later: %s
console := NewConsole(ethereum)
go console.Start()
} else if StartJsConsole {
c := NewJSConsole(ethereum)
go c.Start()
}
if StartRpc {
utils.DoRpc(ethereum, RpcPort)
}

View File

@ -0,0 +1,108 @@
package main
import (
"bufio"
"fmt"
"github.com/ethereum/eth-go"
"github.com/ethereum/eth-go/ethpub"
"github.com/robertkrimen/otto"
"os"
)
type JSConsole struct {
vm *otto.Otto
lib *ethpub.PEthereum
}
func NewJSConsole(ethereum *eth.Ethereum) *JSConsole {
return &JSConsole{vm: otto.New(), lib: ethpub.NewPEthereum(ethereum)}
}
func (self *JSConsole) Start() {
self.initBindings()
fmt.Println("Eth JavaScript console")
reader := bufio.NewReader(os.Stdin)
for {
fmt.Printf("eth >>> ")
str, _, err := reader.ReadLine()
if err != nil {
fmt.Println("Error reading input", err)
} else {
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)
return
}
fmt.Println(value)
}
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 {
*ethpub.PEthereum
vm *otto.Otto
}
func (self *JSWrapper) GetKey() otto.Value {
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 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)
}
// Wrapper function
func (self *JSWrapper) toVal(v interface{}) otto.Value {
result, err := self.vm.ToValue(v)
if err != nil {
fmt.Println(err)
return otto.UndefinedValue()
}
return result
}