302 lines
7.1 KiB
Go
302 lines
7.1 KiB
Go
package utils
|
|
|
|
import (
|
|
"bitbucket.org/kardianos/osext"
|
|
"fmt"
|
|
"github.com/ethereum/eth-go"
|
|
"github.com/ethereum/eth-go/ethcrypto"
|
|
"github.com/ethereum/eth-go/ethdb"
|
|
"github.com/ethereum/eth-go/ethlog"
|
|
"github.com/ethereum/eth-go/ethminer"
|
|
"github.com/ethereum/eth-go/ethpub"
|
|
"github.com/ethereum/eth-go/ethrpc"
|
|
"github.com/ethereum/eth-go/ethutil"
|
|
"github.com/ethereum/eth-go/ethwire"
|
|
"io"
|
|
"log"
|
|
"os"
|
|
"os/signal"
|
|
"path"
|
|
"path/filepath"
|
|
"runtime"
|
|
"time"
|
|
)
|
|
|
|
var logger = ethlog.NewLogger("CLI")
|
|
var interruptCallbacks = []func(os.Signal){}
|
|
|
|
// Register interrupt handlers callbacks
|
|
func RegisterInterrupt(cb func(os.Signal)) {
|
|
interruptCallbacks = append(interruptCallbacks, cb)
|
|
}
|
|
|
|
// go routine that call interrupt handlers in order of registering
|
|
func HandleInterrupt() {
|
|
c := make(chan os.Signal, 1)
|
|
go func() {
|
|
signal.Notify(c, os.Interrupt)
|
|
for sig := range c {
|
|
logger.Errorf("Shutting down (%v) ... \n", sig)
|
|
RunInterruptCallbacks(sig)
|
|
}
|
|
}()
|
|
}
|
|
|
|
func RunInterruptCallbacks(sig os.Signal) {
|
|
for _, cb := range interruptCallbacks {
|
|
cb(sig)
|
|
}
|
|
}
|
|
|
|
func AbsolutePath(Datadir string, filename string) string {
|
|
if path.IsAbs(filename) {
|
|
return filename
|
|
}
|
|
return path.Join(Datadir, filename)
|
|
}
|
|
|
|
func openLogFile(Datadir string, filename string) *os.File {
|
|
path := AbsolutePath(Datadir, filename)
|
|
file, err := os.OpenFile(path, os.O_RDWR|os.O_CREATE|os.O_APPEND, 0666)
|
|
if err != nil {
|
|
panic(fmt.Sprintf("error opening log file '%s': %v", filename, err))
|
|
}
|
|
return file
|
|
}
|
|
|
|
func confirm(message string) bool {
|
|
fmt.Println(message, "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)
|
|
}
|
|
}
|
|
return r == "y"
|
|
}
|
|
|
|
func InitDataDir(Datadir string) {
|
|
_, err := os.Stat(Datadir)
|
|
if err != nil {
|
|
if os.IsNotExist(err) {
|
|
fmt.Printf("Data directory '%s' doesn't exist, creating it\n", Datadir)
|
|
os.Mkdir(Datadir, 0777)
|
|
}
|
|
}
|
|
}
|
|
|
|
func InitLogging(Datadir string, LogFile string, LogLevel int, DebugFile string) {
|
|
var writer io.Writer
|
|
if LogFile == "" {
|
|
writer = os.Stdout
|
|
} else {
|
|
writer = openLogFile(Datadir, LogFile)
|
|
}
|
|
ethlog.AddLogSystem(ethlog.NewStdLogSystem(writer, log.LstdFlags, ethlog.LogLevel(LogLevel)))
|
|
if DebugFile != "" {
|
|
writer = openLogFile(Datadir, DebugFile)
|
|
ethlog.AddLogSystem(ethlog.NewStdLogSystem(writer, log.LstdFlags, ethlog.DebugLevel))
|
|
}
|
|
}
|
|
|
|
func InitConfig(ConfigFile string, Datadir string, EnvPrefix string) *ethutil.ConfigManager {
|
|
InitDataDir(Datadir)
|
|
return ethutil.ReadConfig(ConfigFile, Datadir, EnvPrefix)
|
|
}
|
|
|
|
func exit(err error) {
|
|
status := 0
|
|
if err != nil {
|
|
fmt.Println(err)
|
|
logger.Errorln("Fatal: ", err)
|
|
status = 1
|
|
}
|
|
ethlog.Flush()
|
|
os.Exit(status)
|
|
}
|
|
|
|
func NewDatabase() ethutil.Database {
|
|
db, err := ethdb.NewLDBDatabase("database")
|
|
if err != nil {
|
|
exit(err)
|
|
}
|
|
return db
|
|
}
|
|
|
|
func NewClientIdentity(clientIdentifier, version, customIdentifier string) *ethwire.SimpleClientIdentity {
|
|
return ethwire.NewSimpleClientIdentity(clientIdentifier, version, customIdentifier)
|
|
}
|
|
|
|
func NewEthereum(db ethutil.Database, clientIdentity ethwire.ClientIdentity, keyManager *ethcrypto.KeyManager, usePnp bool, OutboundPort string, MaxPeer int) *eth.Ethereum {
|
|
ethereum, err := eth.New(db, clientIdentity, keyManager, eth.CapDefault, usePnp)
|
|
if err != nil {
|
|
logger.Fatalln("eth start err:", err)
|
|
}
|
|
ethereum.Port = OutboundPort
|
|
ethereum.MaxPeers = MaxPeer
|
|
return ethereum
|
|
}
|
|
|
|
func StartEthereum(ethereum *eth.Ethereum, UseSeed bool) {
|
|
logger.Infof("Starting %s", ethereum.ClientIdentity())
|
|
ethereum.Start(UseSeed)
|
|
RegisterInterrupt(func(sig os.Signal) {
|
|
ethereum.Stop()
|
|
ethlog.Flush()
|
|
})
|
|
}
|
|
|
|
func ShowGenesis(ethereum *eth.Ethereum) {
|
|
logger.Infoln(ethereum.BlockChain().Genesis())
|
|
exit(nil)
|
|
}
|
|
|
|
func NewKeyManager(KeyStore string, Datadir string, db ethutil.Database) *ethcrypto.KeyManager {
|
|
var keyManager *ethcrypto.KeyManager
|
|
switch {
|
|
case KeyStore == "db":
|
|
keyManager = ethcrypto.NewDBKeyManager(db)
|
|
case KeyStore == "file":
|
|
keyManager = ethcrypto.NewFileKeyManager(Datadir)
|
|
default:
|
|
exit(fmt.Errorf("unknown keystore type: %s", KeyStore))
|
|
}
|
|
return keyManager
|
|
}
|
|
|
|
func DefaultAssetPath() string {
|
|
var assetPath string
|
|
// If the current working directory is the go-ethereum dir
|
|
// assume a debug build and use the source directory as
|
|
// asset directory.
|
|
pwd, _ := os.Getwd()
|
|
if pwd == path.Join(os.Getenv("GOPATH"), "src", "github.com", "ethereum", "go-ethereum", "ethereal") {
|
|
assetPath = path.Join(pwd, "assets")
|
|
} else {
|
|
switch runtime.GOOS {
|
|
case "darwin":
|
|
// Get Binary Directory
|
|
exedir, _ := osext.ExecutableFolder()
|
|
assetPath = filepath.Join(exedir, "../Resources")
|
|
case "linux":
|
|
assetPath = "/usr/share/ethereal"
|
|
case "windows":
|
|
assetPath = "./assets"
|
|
default:
|
|
assetPath = "."
|
|
}
|
|
}
|
|
return assetPath
|
|
}
|
|
|
|
func KeyTasks(keyManager *ethcrypto.KeyManager, KeyRing string, GenAddr bool, SecretFile string, ExportDir string, NonInteractive bool) {
|
|
ethcrypto.InitWords(DefaultAssetPath()) // Init mnemonic word list
|
|
|
|
var err error
|
|
switch {
|
|
case GenAddr:
|
|
if NonInteractive || confirm("This action overwrites your old private key.") {
|
|
err = keyManager.Init(KeyRing, 0, true)
|
|
}
|
|
exit(err)
|
|
case len(SecretFile) > 0:
|
|
SecretFile = ethutil.ExpandHomePath(SecretFile)
|
|
|
|
if NonInteractive || confirm("This action overwrites your old private key.") {
|
|
err = keyManager.InitFromSecretsFile(KeyRing, 0, SecretFile)
|
|
}
|
|
exit(err)
|
|
case len(ExportDir) > 0:
|
|
err = keyManager.Init(KeyRing, 0, false)
|
|
if err == nil {
|
|
err = keyManager.Export(ExportDir)
|
|
}
|
|
exit(err)
|
|
default:
|
|
// Creates a keypair if none exists
|
|
err = keyManager.Init(KeyRing, 0, false)
|
|
if err != nil {
|
|
exit(err)
|
|
}
|
|
}
|
|
}
|
|
|
|
func StartRpc(ethereum *eth.Ethereum, RpcPort int) {
|
|
var err error
|
|
ethereum.RpcServer, err = ethrpc.NewJsonRpcServer(ethpub.NewPEthereum(ethereum), RpcPort)
|
|
if err != nil {
|
|
logger.Errorf("Could not start RPC interface (port %v): %v", RpcPort, err)
|
|
} else {
|
|
go ethereum.RpcServer.Start()
|
|
}
|
|
}
|
|
|
|
var miner *ethminer.Miner
|
|
|
|
func GetMiner() *ethminer.Miner {
|
|
return miner
|
|
}
|
|
|
|
func StartMining(ethereum *eth.Ethereum) bool {
|
|
if !ethereum.Mining {
|
|
ethereum.Mining = true
|
|
|
|
addr := ethereum.KeyManager().Address()
|
|
|
|
go func() {
|
|
if miner == nil {
|
|
miner = ethminer.NewDefaultMiner(addr, ethereum)
|
|
}
|
|
|
|
// Give it some time to connect with peers
|
|
time.Sleep(3 * time.Second)
|
|
for !ethereum.IsUpToDate() {
|
|
time.Sleep(5 * time.Second)
|
|
}
|
|
|
|
logger.Infoln("Miner started")
|
|
miner.Start()
|
|
}()
|
|
RegisterInterrupt(func(os.Signal) {
|
|
StopMining(ethereum)
|
|
})
|
|
return true
|
|
}
|
|
return false
|
|
}
|
|
|
|
func StopMining(ethereum *eth.Ethereum) bool {
|
|
if ethereum.Mining && miner != nil {
|
|
miner.Stop()
|
|
|
|
logger.Infoln("Miner stopped")
|
|
|
|
ethereum.Mining = false
|
|
|
|
return true
|
|
}
|
|
|
|
return false
|
|
}
|
|
|
|
// Replay block
|
|
func BlockDo(ethereum *eth.Ethereum, hash []byte) error {
|
|
block := ethereum.BlockChain().GetBlock(hash)
|
|
if block == nil {
|
|
return fmt.Errorf("unknown block %x", hash)
|
|
}
|
|
|
|
parent := ethereum.BlockChain().GetBlock(block.PrevHash)
|
|
|
|
_, err := ethereum.StateManager().ApplyDiff(parent.State(), parent, block)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
return nil
|
|
|
|
}
|