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|
package main
import (
"fmt"
"github.com/ethereum/eth-go"
"github.com/ethereum/eth-go/ethchain"
"github.com/ethereum/eth-go/ethminer"
"github.com/ethereum/eth-go/ethutil"
"github.com/ethereum/go-ethereum/utils"
"log"
"os"
"os/signal"
"runtime"
"strings"
)
const Debug = true
// Register interrupt handlers so we can stop the ethereum
func RegisterInterupts(s *eth.Ethereum) {
// Buffered chan of one is enough
c := make(chan os.Signal, 1)
// Notify about interrupts for now
signal.Notify(c, os.Interrupt)
go func() {
for sig := range c {
fmt.Printf("Shutting down (%v) ... \n", sig)
s.Stop()
}
}()
}
func main() {
Init()
runtime.GOMAXPROCS(runtime.NumCPU())
// set logger
var logger *log.Logger
flags := log.LstdFlags
if LogFile != "" {
logfile, err := os.OpenFile(LogFile, os.O_RDWR | os.O_CREATE | os.O_APPEND, 0666)
if err != nil {
panic(fmt.Sprintf("error opening log file '%s': %v", LogFile, err))
}
defer logfile.Close()
log.SetOutput(logfile)
logger = log.New(logfile, "", flags)
} else {
logger = log.New(os.Stdout, "", flags)
}
ethutil.ReadConfig(DataDir)
ethutil.Config.Log.AddLogSystem(logger)
ethchain.InitFees()
ethutil.Config.Seed = UseSeed
// Instantiated a eth stack
ethereum, err := eth.New(eth.CapDefault, UseUPnP)
if err != nil {
log.Println("eth start err:", err)
return
}
ethereum.Port = OutboundPort
if GenAddr {
fmt.Println("This action overwrites your old private key. Are you sure? (y/n)")
var r string
fmt.Scanln(&r)
for ; ; fmt.Scanln(&r) {
if r == "n" || r == "y" {
break
} else {
fmt.Printf("Yes or no?", r)
}
}
if r == "y" {
utils.CreateKeyPair(true)
}
os.Exit(0)
} else {
if len(ImportKey) > 0 {
fmt.Println("This action overwrites your old private key. Are you sure? (y/n)")
var r string
fmt.Scanln(&r)
for ; ; fmt.Scanln(&r) {
if r == "n" || r == "y" {
break
} else {
fmt.Printf("Yes or no?", r)
}
}
if r == "y" {
mnemonic := strings.Split(ImportKey, " ")
if len(mnemonic) == 24 {
fmt.Println("Got mnemonic key, importing.")
key := ethutil.MnemonicDecode(mnemonic)
utils.ImportPrivateKey(key)
} else if len(mnemonic) == 1 {
fmt.Println("Got hex key, importing.")
utils.ImportPrivateKey(ImportKey)
} else {
fmt.Println("Did not recognise format, exiting.")
}
os.Exit(0)
}
} else {
utils.CreateKeyPair(false)
}
}
if ExportKey {
key := ethutil.Config.Db.GetKeys()[0]
fmt.Printf("%x\n", key.PrivateKey)
os.Exit(0)
}
if ShowGenesis {
fmt.Println(ethereum.BlockChain().Genesis())
os.Exit(0)
}
ethutil.Config.Log.Infoln(fmt.Sprintf("Starting Ethereum v%s", ethutil.Config.Ver))
// Set the max peers
ethereum.MaxPeers = MaxPeer
if StartConsole {
err := os.Mkdir(ethutil.Config.ExecPath, os.ModePerm)
// Error is OK if the error is ErrExist
if err != nil && !os.IsExist(err) {
log.Panic("Unable to create EXECPATH:", err)
}
console := NewConsole(ethereum)
go console.Start()
}
RegisterInterupts(ethereum)
ethereum.Start()
if StartMining {
ethutil.Config.Log.Infoln("Miner started")
// Fake block mining. It broadcasts a new block every 5 seconds
go func() {
if StartMining {
ethutil.Config.Log.Infoln("Miner started")
go func() {
data, _ := ethutil.Config.Db.Get([]byte("KeyRing"))
keyRing := ethutil.NewValueFromBytes(data)
addr := keyRing.Get(1).Bytes()
miner := ethminer.NewDefaultMiner(addr, ethereum)
miner.Start()
}()
}
}()
}
// Wait for shutdown
ethereum.WaitForShutdown()
}
|
