diff options
Diffstat (limited to 'cmd/utils')
-rw-r--r-- | cmd/utils/cmd.go | 327 | ||||
-rw-r--r-- | cmd/utils/vm_env.go | 41 | ||||
-rw-r--r-- | cmd/utils/websockets.go | 161 |
3 files changed, 529 insertions, 0 deletions
diff --git a/cmd/utils/cmd.go b/cmd/utils/cmd.go new file mode 100644 index 000000000..7ee41d042 --- /dev/null +++ b/cmd/utils/cmd.go @@ -0,0 +1,327 @@ +package utils + +import ( + "fmt" + "io" + "log" + "os" + "os/signal" + "path" + "path/filepath" + "regexp" + "runtime" + "time" + + "bitbucket.org/kardianos/osext" + "github.com/ethereum/go-ethereum" + "github.com/ethereum/go-ethereum/crypto" + "github.com/ethereum/go-ethereum/ethdb" + "github.com/ethereum/go-ethereum/ethminer" + "github.com/ethereum/go-ethereum/ethpipe" + "github.com/ethereum/go-ethereum/ethutil" + "github.com/ethereum/go-ethereum/ethwire" + "github.com/ethereum/go-ethereum/logger" + "github.com/ethereum/go-ethereum/rpc" +) + +var clilogger = logger.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 { + clilogger.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 DBSanityCheck(db ethutil.Database) error { + d, _ := db.Get([]byte("ProtocolVersion")) + protov := ethutil.NewValue(d).Uint() + if protov != eth.ProtocolVersion && protov != 0 { + return fmt.Errorf("Database version mismatch. Protocol(%d / %d). `rm -rf %s`", protov, eth.ProtocolVersion, ethutil.Config.ExecPath+"/database") + } + + return nil +} + +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) logger.LogSystem { + var writer io.Writer + if LogFile == "" { + writer = os.Stdout + } else { + writer = openLogFile(Datadir, LogFile) + } + + sys := logger.NewStdLogSystem(writer, log.LstdFlags, logger.LogLevel(LogLevel)) + logger.AddLogSystem(sys) + if DebugFile != "" { + writer = openLogFile(Datadir, DebugFile) + logger.AddLogSystem(logger.NewStdLogSystem(writer, log.LstdFlags, logger.DebugLevel)) + } + + return sys +} + +func InitConfig(vmType int, ConfigFile string, Datadir string, EnvPrefix string) *ethutil.ConfigManager { + InitDataDir(Datadir) + cfg := ethutil.ReadConfig(ConfigFile, Datadir, EnvPrefix) + cfg.VmType = vmType + + return cfg +} + +func exit(err error) { + status := 0 + if err != nil { + clilogger.Errorln("Fatal: ", err) + status = 1 + } + logger.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 { + clilogger.Infoln("identity created") + return ethwire.NewSimpleClientIdentity(clientIdentifier, version, customIdentifier) +} + +func NewEthereum(db ethutil.Database, clientIdentity ethwire.ClientIdentity, keyManager *crypto.KeyManager, usePnp bool, OutboundPort string, MaxPeer int) *eth.Ethereum { + ethereum, err := eth.New(db, clientIdentity, keyManager, eth.CapDefault, usePnp) + if err != nil { + clilogger.Fatalln("eth start err:", err) + } + ethereum.Port = OutboundPort + ethereum.MaxPeers = MaxPeer + return ethereum +} + +func StartEthereum(ethereum *eth.Ethereum, UseSeed bool) { + clilogger.Infof("Starting %s", ethereum.ClientIdentity()) + ethereum.Start(UseSeed) + RegisterInterrupt(func(sig os.Signal) { + ethereum.Stop() + logger.Flush() + }) +} + +func ShowGenesis(ethereum *eth.Ethereum) { + clilogger.Infoln(ethereum.ChainManager().Genesis()) + exit(nil) +} + +func NewKeyManager(KeyStore string, Datadir string, db ethutil.Database) *crypto.KeyManager { + var keyManager *crypto.KeyManager + switch { + case KeyStore == "db": + keyManager = crypto.NewDBKeyManager(db) + case KeyStore == "file": + keyManager = crypto.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", "cmd", "mist") { + 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/mist" + case "windows": + assetPath = "./assets" + default: + assetPath = "." + } + } + return assetPath +} + +func KeyTasks(keyManager *crypto.KeyManager, KeyRing string, GenAddr bool, SecretFile string, ExportDir string, NonInteractive bool) { + + 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 = rpc.NewJsonRpcServer(ethpipe.NewJSPipe(ethereum), RpcPort) + if err != nil { + clilogger.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() { + clilogger.Infoln("Start mining") + 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) + } + miner.Start() + }() + RegisterInterrupt(func(os.Signal) { + StopMining(ethereum) + }) + return true + } + return false +} + +func FormatTransactionData(data string) []byte { + d := ethutil.StringToByteFunc(data, func(s string) (ret []byte) { + slice := regexp.MustCompile("\\n|\\s").Split(s, 1000000000) + for _, dataItem := range slice { + d := ethutil.FormatData(dataItem) + ret = append(ret, d...) + } + return + }) + + return d +} + +func StopMining(ethereum *eth.Ethereum) bool { + if ethereum.Mining && miner != nil { + miner.Stop() + clilogger.Infoln("Stopped mining") + ethereum.Mining = false + + return true + } + + return false +} + +// Replay block +func BlockDo(ethereum *eth.Ethereum, hash []byte) error { + block := ethereum.ChainManager().GetBlock(hash) + if block == nil { + return fmt.Errorf("unknown block %x", hash) + } + + parent := ethereum.ChainManager().GetBlock(block.PrevHash) + + _, err := ethereum.StateManager().ApplyDiff(parent.State(), parent, block) + if err != nil { + return err + } + + return nil + +} diff --git a/cmd/utils/vm_env.go b/cmd/utils/vm_env.go new file mode 100644 index 000000000..0a7b589ee --- /dev/null +++ b/cmd/utils/vm_env.go @@ -0,0 +1,41 @@ +package utils + +import ( + "math/big" + + "github.com/ethereum/go-ethereum/chain" + "github.com/ethereum/go-ethereum/ethstate" + "github.com/ethereum/go-ethereum/vm" +) + +type VMEnv struct { + state *ethstate.State + block *chain.Block + + transactor []byte + value *big.Int +} + +func NewEnv(state *ethstate.State, block *chain.Block, transactor []byte, value *big.Int) *VMEnv { + return &VMEnv{ + state: state, + block: block, + transactor: transactor, + value: value, + } +} + +func (self *VMEnv) Origin() []byte { return self.transactor } +func (self *VMEnv) BlockNumber() *big.Int { return self.block.Number } +func (self *VMEnv) PrevHash() []byte { return self.block.PrevHash } +func (self *VMEnv) Coinbase() []byte { return self.block.Coinbase } +func (self *VMEnv) Time() int64 { return self.block.Time } +func (self *VMEnv) Difficulty() *big.Int { return self.block.Difficulty } +func (self *VMEnv) BlockHash() []byte { return self.block.Hash() } +func (self *VMEnv) Value() *big.Int { return self.value } +func (self *VMEnv) State() *ethstate.State { return self.state } +func (self *VMEnv) GasLimit() *big.Int { return self.block.GasLimit } +func (self *VMEnv) AddLog(ethstate.Log) {} +func (self *VMEnv) Transfer(from, to vm.Account, amount *big.Int) error { + return vm.Transfer(from, to, amount) +} diff --git a/cmd/utils/websockets.go b/cmd/utils/websockets.go new file mode 100644 index 000000000..7bda805ac --- /dev/null +++ b/cmd/utils/websockets.go @@ -0,0 +1,161 @@ +package utils + +import ( + "github.com/ethereum/go-ethereum" + "github.com/ethereum/go-ethereum/ethpipe" + "github.com/ethereum/go-ethereum/ethutil" + "github.com/ethereum/go-ethereum/websocket" +) + +func args(v ...interface{}) []interface{} { + return v +} + +type WebSocketServer struct { + ethereum *eth.Ethereum + filterCallbacks map[int][]int +} + +func NewWebSocketServer(eth *eth.Ethereum) *WebSocketServer { + return &WebSocketServer{eth, make(map[int][]int)} +} + +func (self *WebSocketServer) Serv() { + pipe := ethpipe.NewJSPipe(self.ethereum) + + wsServ := websocket.NewServer("/eth", ":40404") + wsServ.MessageFunc(func(c *websocket.Client, msg *websocket.Message) { + switch msg.Call { + case "compile": + data := ethutil.NewValue(msg.Args) + bcode, err := ethutil.Compile(data.Get(0).Str(), false) + if err != nil { + c.Write(args(nil, err.Error()), msg.Seed) + } + + code := ethutil.Bytes2Hex(bcode) + c.Write(args(code, nil), msg.Seed) + case "getBlockByNumber": + args := msg.Arguments() + + block := pipe.BlockByNumber(int32(args.Get(0).Uint())) + c.Write(block, msg.Seed) + + case "getKey": + c.Write(pipe.Key().PrivateKey, msg.Seed) + case "transact": + if mp, ok := msg.Args[0].(map[string]interface{}); ok { + object := mapToTxParams(mp) + c.Write( + args(pipe.Transact(object["from"], object["to"], object["value"], object["gas"], object["gasPrice"], object["data"])), + msg.Seed, + ) + + } + case "getCoinBase": + c.Write(pipe.CoinBase(), msg.Seed) + + case "getIsListening": + c.Write(pipe.IsListening(), msg.Seed) + + case "getIsMining": + c.Write(pipe.IsMining(), msg.Seed) + + case "getPeerCoint": + c.Write(pipe.PeerCount(), msg.Seed) + + case "getCountAt": + args := msg.Arguments() + + c.Write(pipe.TxCountAt(args.Get(0).Str()), msg.Seed) + + case "getCodeAt": + args := msg.Arguments() + + c.Write(len(pipe.CodeAt(args.Get(0).Str())), msg.Seed) + + case "getBlockByHash": + args := msg.Arguments() + + c.Write(pipe.BlockByHash(args.Get(0).Str()), msg.Seed) + + case "getStorageAt": + args := msg.Arguments() + + c.Write(pipe.StorageAt(args.Get(0).Str(), args.Get(1).Str()), msg.Seed) + + case "getBalanceAt": + args := msg.Arguments() + + c.Write(pipe.BalanceAt(args.Get(0).Str()), msg.Seed) + + case "getSecretToAddress": + args := msg.Arguments() + + c.Write(pipe.SecretToAddress(args.Get(0).Str()), msg.Seed) + + case "newFilter": + case "newFilterString": + case "messages": + // TODO + } + + }) + + wsServ.Listen() +} + +func StartWebSockets(eth *eth.Ethereum) { + sock := NewWebSocketServer(eth) + go sock.Serv() +} + +// TODO This is starting to become a generic method. Move to utils +func mapToTxParams(object map[string]interface{}) map[string]string { + // Default values + if object["from"] == nil { + object["from"] = "" + } + if object["to"] == nil { + object["to"] = "" + } + if object["value"] == nil { + object["value"] = "" + } + if object["gas"] == nil { + object["gas"] = "" + } + if object["gasPrice"] == nil { + object["gasPrice"] = "" + } + + var dataStr string + var data []string + if str, ok := object["data"].(string); ok { + data = []string{str} + } + + for _, str := range data { + if ethutil.IsHex(str) { + str = str[2:] + + if len(str) != 64 { + str = ethutil.LeftPadString(str, 64) + } + } else { + str = ethutil.Bytes2Hex(ethutil.LeftPadBytes(ethutil.Big(str).Bytes(), 32)) + } + + dataStr += str + } + object["data"] = dataStr + + conv := make(map[string]string) + for key, value := range object { + if v, ok := value.(string); ok { + conv[key] = v + } + } + + return conv +} |