Golang Block.State方法代碼示例

func (self *JSRE) dump(call otto.FunctionCall) otto.Value {
	var state *ethstate.State

	if len(call.ArgumentList) > 0 {
		var block *ethchain.Block
		if call.Argument(0).IsNumber() {
			num, _ := call.Argument(0).ToInteger()
			block = self.ethereum.BlockChain().GetBlockByNumber(uint64(num))
		} else if call.Argument(0).IsString() {
			hash, _ := call.Argument(0).ToString()
			block = self.ethereum.BlockChain().GetBlock(ethutil.Hex2Bytes(hash))
		} else {
			fmt.Println("invalid argument for dump. Either hex string or number")
		}

		if block == nil {
			fmt.Println("block not found")

			return otto.UndefinedValue()
		}

		state = block.State()
	} else {
		state = self.ethereum.StateManager().CurrentState()
	}

	v, _ := self.Vm.ToValue(state.Dump())

	return v
}

func (self *Gui) DumpState(hash, path string) {
	var stateDump []byte

	if len(hash) == 0 {
		stateDump = self.eth.StateManager().CurrentState().Dump()
	} else {
		var block *ethchain.Block
		if hash[0] == '#' {
			i, _ := strconv.Atoi(hash[1:])
			block = self.eth.BlockChain().GetBlockByNumber(uint64(i))
		} else {
			block = self.eth.BlockChain().GetBlock(ethutil.Hex2Bytes(hash))
		}

		if block == nil {
			logger.Infof("block err: not found %s\n", hash)
			return
		}

		stateDump = block.State().Dump()
	}

	file, err := os.OpenFile(path[7:], os.O_CREATE|os.O_RDWR, os.ModePerm)
	if err != nil {
		logger.Infoln("dump err: ", err)
		return
	}
	defer file.Close()

	logger.Infof("dumped state (%s) to %s\n", hash, path)

	file.Write(stateDump)
}

func main() {
	runtime.GOMAXPROCS(runtime.NumCPU())

	utils.HandleInterrupt()

	// precedence: code-internal flag default < config file < environment variables < command line
	Init() // parsing command line

	// If the difftool option is selected ignore all other log output
	if DiffTool || Dump {
		LogLevel = 0
	}

	utils.InitConfig(ConfigFile, Datadir, "ETH")
	ethutil.Config.Diff = DiffTool
	ethutil.Config.DiffType = DiffType

	utils.InitDataDir(Datadir)

	utils.InitLogging(Datadir, LogFile, LogLevel, DebugFile)

	db := utils.NewDatabase()

	keyManager := utils.NewKeyManager(KeyStore, Datadir, db)

	// create, import, export keys
	utils.KeyTasks(keyManager, KeyRing, GenAddr, SecretFile, ExportDir, NonInteractive)

	clientIdentity := utils.NewClientIdentity(ClientIdentifier, Version, Identifier)

	ethereum := utils.NewEthereum(db, clientIdentity, keyManager, UseUPnP, OutboundPort, MaxPeer)

	if Dump {
		var block *ethchain.Block

		if len(DumpHash) == 0 && DumpNumber == -1 {
			block = ethereum.BlockChain().CurrentBlock
		} else if len(DumpHash) > 0 {
			block = ethereum.BlockChain().GetBlock(ethutil.Hex2Bytes(DumpHash))
		} else {
			block = ethereum.BlockChain().GetBlockByNumber(uint64(DumpNumber))
		}

		if block == nil {
			fmt.Fprintln(os.Stderr, "block not found")

			// We want to output valid JSON
			fmt.Println("{}")

			os.Exit(1)
		}

		// Leave the Println. This needs clean output for piping
		fmt.Printf("%s\n", block.State().Dump())

		os.Exit(0)
	}

	if ShowGenesis {
		utils.ShowGenesis(ethereum)
	}

	if StartMining {
		utils.StartMining(ethereum)
	}

	// better reworked as cases
	if StartJsConsole {
		InitJsConsole(ethereum)
	} else if len(InputFile) > 0 {
		ExecJsFile(ethereum, InputFile)
	}

	if StartRpc {
		utils.StartRpc(ethereum, RpcPort)
	}

	utils.StartEthereum(ethereum, UseSeed)

	// this blocks the thread
	ethereum.WaitForShutdown()
	ethlog.Flush()
}