160 lines
3.4 KiB
Go
160 lines
3.4 KiB
Go
package main
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import (
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"fmt"
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"github.com/ethereum/eth-go"
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"github.com/ethereum/eth-go/ethchain"
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"github.com/ethereum/eth-go/ethutil"
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"github.com/ethereum/go-ethereum/utils"
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"log"
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"os"
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"os/signal"
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"runtime"
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"strings"
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)
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const Debug = true
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// Register interrupt handlers so we can stop the ethereum
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func RegisterInterrupts(s *eth.Ethereum) {
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// Buffered chan of one is enough
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c := make(chan os.Signal, 1)
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// Notify about interrupts for now
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signal.Notify(c, os.Interrupt)
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go func() {
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for sig := range c {
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fmt.Printf("Shutting down (%v) ... \n", sig)
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s.Stop()
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}
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}()
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}
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func confirm(message string) bool {
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fmt.Println(message, "Are you sure? (y/n)")
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var r string
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fmt.Scanln(&r)
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for ; ; fmt.Scanln(&r) {
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if r == "n" || r == "y" {
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break
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} else {
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fmt.Printf("Yes or no?", r)
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}
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}
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return r == "y"
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}
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func main() {
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Init()
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runtime.GOMAXPROCS(runtime.NumCPU())
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// set logger
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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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logger := ethutil.Config.Log
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if LogFile != "" {
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logfile, err := os.OpenFile(LogFile, os.O_RDWR|os.O_CREATE|os.O_APPEND, 0666)
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if err != nil {
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panic(fmt.Sprintf("error opening log file '%s': %v", LogFile, err))
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}
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defer logfile.Close()
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log.SetOutput(logfile)
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logSys = log.New(logfile, "", flags)
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logger.AddLogSystem(logSys)
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} else {
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logSys = log.New(os.Stdout, "", flags)
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}
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ethchain.InitFees()
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// Instantiated a eth stack
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ethereum, err := eth.New(eth.CapDefault, UseUPnP)
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if err != nil {
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log.Println("eth start err:", err)
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return
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}
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ethereum.Port = OutboundPort
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// bookkeeping tasks
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switch {
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case GenAddr:
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if NonInteractive || confirm("This action overwrites your old private key.") {
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utils.CreateKeyPair(true)
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}
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os.Exit(0)
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case len(ImportKey) > 0:
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if NonInteractive || confirm("This action overwrites your old private key.") {
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mnemonic := strings.Split(ImportKey, " ")
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if len(mnemonic) == 24 {
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logSys.Println("Got mnemonic key, importing.")
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key := ethutil.MnemonicDecode(mnemonic)
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utils.ImportPrivateKey(key)
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} else if len(mnemonic) == 1 {
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logSys.Println("Got hex key, importing.")
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utils.ImportPrivateKey(ImportKey)
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} else {
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logSys.Println("Did not recognise format, exiting.")
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}
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}
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os.Exit(0)
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case ExportKey:
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keyPair := ethutil.GetKeyRing().Get(0)
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fmt.Printf(`
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Generating new address and keypair.
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Please keep your keys somewhere save.
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++++++++++++++++ KeyRing +++++++++++++++++++
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addr: %x
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prvk: %x
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pubk: %x
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++++++++++++++++++++++++++++++++++++++++++++
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save these words so you can restore your account later: %s
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`, keyPair.Address(), keyPair.PrivateKey, keyPair.PublicKey)
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os.Exit(0)
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case ShowGenesis:
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logSys.Println(ethereum.BlockChain().Genesis())
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os.Exit(0)
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default:
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// Creates a keypair if non exists
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utils.CreateKeyPair(false)
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}
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// client
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logger.Infoln(fmt.Sprintf("Starting Ethereum v%s", ethutil.Config.Ver))
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// Set the max peers
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ethereum.MaxPeers = MaxPeer
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// Set Mining status
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ethereum.Mining = StartMining
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if StartMining {
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utils.DoMining(ethereum)
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}
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if StartConsole {
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err := os.Mkdir(ethutil.Config.ExecPath, os.ModePerm)
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// Error is OK if the error is ErrExist
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if err != nil && !os.IsExist(err) {
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log.Panic("Unable to create EXECPATH:", err)
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}
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console := NewConsole(ethereum)
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go console.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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RegisterInterrupts(ethereum)
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ethereum.Start(UseSeed)
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// Wait for shutdown
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ethereum.WaitForShutdown()
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}
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