Esempio n. 1
0
func main() {
	logger.AddLogSystem(logger.NewStdLogSystem(os.Stdout, log.LstdFlags, logger.InfoLevel))

	// Generate the peer identity
	key, err := crypto.GenerateKey()
	if err != nil {
		fmt.Printf("Failed to generate peer key: %v.\n", err)
		os.Exit(-1)
	}
	name := common.MakeName("whisper-go", "1.0")
	shh := whisper.New()

	// Create an Expanse peer to communicate through
	server := p2p.Server{
		PrivateKey: key,
		MaxPeers:   10,
		Name:       name,
		Protocols:  []p2p.Protocol{shh.Protocol()},
		ListenAddr: ":30300",
		NAT:        nat.Any(),
	}
	fmt.Println("Starting Expanse peer...")
	if err := server.Start(); err != nil {
		fmt.Printf("Failed to start Expanse peer: %v.\n", err)
		os.Exit(1)
	}

	// Send a message to self to check that something works
	payload := fmt.Sprintf("Hello world, this is %v. In case you're wondering, the time is %v", name, time.Now())
	if err := selfSend(shh, []byte(payload)); err != nil {
		fmt.Printf("Failed to self message: %v.\n", err)
		os.Exit(-1)
	}
}
Esempio n. 2
0
// MakeNodeName creates a node name from a base set and the command line flags.
func MakeNodeName(client, version string, ctx *cli.Context) string {
	name := common.MakeName(client, version)
	if identity := ctx.GlobalString(IdentityFlag.Name); len(identity) > 0 {
		name += "/" + identity
	}
	if ctx.GlobalBool(VMEnableJitFlag.Name) {
		name += "/JIT"
	}
	return name
}
Esempio n. 3
0
// MakeEthConfig creates expanse options from set command line flags.
func MakeEthConfig(clientID, version string, ctx *cli.Context) *exp.Config {
	customName := ctx.GlobalString(IdentityFlag.Name)
	if len(customName) > 0 {
		clientID += "/" + customName
	}
	am := MakeAccountManager(ctx)
	etherbase, err := ParamToAddress(ctx.GlobalString(EtherbaseFlag.Name), am)
	if err != nil {
		glog.V(logger.Error).Infoln("WARNING: No etherbase set and no accounts found as default")
	}

	return &exp.Config{
		Name:                    common.MakeName(clientID, version),
		DataDir:                 ctx.GlobalString(DataDirFlag.Name),
		GenesisNonce:            ctx.GlobalInt(GenesisNonceFlag.Name),
		GenesisFile:             ctx.GlobalString(GenesisFileFlag.Name),
		BlockChainVersion:       ctx.GlobalInt(BlockchainVersionFlag.Name),
		DatabaseCache:           ctx.GlobalInt(CacheFlag.Name),
		SkipBcVersionCheck:      false,
		NetworkId:               ctx.GlobalInt(NetworkIdFlag.Name),
		LogFile:                 ctx.GlobalString(LogFileFlag.Name),
		Verbosity:               ctx.GlobalInt(VerbosityFlag.Name),
		LogJSON:                 ctx.GlobalString(LogJSONFlag.Name),
		Etherbase:               common.HexToAddress(etherbase),
		MinerThreads:            ctx.GlobalInt(MinerThreadsFlag.Name),
		AccountManager:          am,
		VmDebug:                 ctx.GlobalBool(VMDebugFlag.Name),
		MaxPeers:                ctx.GlobalInt(MaxPeersFlag.Name),
		MaxPendingPeers:         ctx.GlobalInt(MaxPendingPeersFlag.Name),
		Port:                    ctx.GlobalString(ListenPortFlag.Name),
		Olympic:                 ctx.GlobalBool(OlympicFlag.Name),
		NAT:                     MakeNAT(ctx),
		NatSpec:                 ctx.GlobalBool(NatspecEnabledFlag.Name),
		Discovery:               !ctx.GlobalBool(NoDiscoverFlag.Name),
		NodeKey:                 MakeNodeKey(ctx),
		Shh:                     ctx.GlobalBool(WhisperEnabledFlag.Name),
		Dial:                    true,
		BootNodes:               ctx.GlobalString(BootnodesFlag.Name),
		GasPrice:                common.String2Big(ctx.GlobalString(GasPriceFlag.Name)),
		GpoMinGasPrice:          common.String2Big(ctx.GlobalString(GpoMinGasPriceFlag.Name)),
		GpoMaxGasPrice:          common.String2Big(ctx.GlobalString(GpoMaxGasPriceFlag.Name)),
		GpoFullBlockRatio:       ctx.GlobalInt(GpoFullBlockRatioFlag.Name),
		GpobaseStepDown:         ctx.GlobalInt(GpobaseStepDownFlag.Name),
		GpobaseStepUp:           ctx.GlobalInt(GpobaseStepUpFlag.Name),
		GpobaseCorrectionFactor: ctx.GlobalInt(GpobaseCorrectionFactorFlag.Name),
		SolcPath:                ctx.GlobalString(SolcPathFlag.Name),
		AutoDAG:                 ctx.GlobalBool(AutoDAGFlag.Name) || ctx.GlobalBool(MiningEnabledFlag.Name),
	}
}
Esempio n. 4
0
// MakeEthConfig creates expanse options from set command line flags.
func MakeEthConfig(clientID, version string, ctx *cli.Context) *exp.Config {
	customName := ctx.GlobalString(IdentityFlag.Name)
	if len(customName) > 0 {
		clientID += "/" + customName
	}
	am := MakeAccountManager(ctx)
	etherbase, err := ParamToAddress(ctx.GlobalString(EtherbaseFlag.Name), am)
	if err != nil {
		glog.V(logger.Error).Infoln("WARNING: No etherbase set and no accounts found as default")
	}

	// Assemble the entire exp configuration and return
	cfg := &exp.Config{
		Name:                    common.MakeName(clientID, version),
		DataDir:                 MustDataDir(ctx),
		GenesisFile:             ctx.GlobalString(GenesisFileFlag.Name),
		FastSync:                ctx.GlobalBool(FastSyncFlag.Name),
		BlockChainVersion:       ctx.GlobalInt(BlockchainVersionFlag.Name),
		DatabaseCache:           ctx.GlobalInt(CacheFlag.Name),
		SkipBcVersionCheck:      false,
		NetworkId:               ctx.GlobalInt(NetworkIdFlag.Name),
		LogFile:                 ctx.GlobalString(LogFileFlag.Name),
		Verbosity:               ctx.GlobalInt(VerbosityFlag.Name),
		Etherbase:               common.HexToAddress(etherbase),
		MinerThreads:            ctx.GlobalInt(MinerThreadsFlag.Name),
		AccountManager:          am,
		VmDebug:                 ctx.GlobalBool(VMDebugFlag.Name),
		MaxPeers:                ctx.GlobalInt(MaxPeersFlag.Name),
		MaxPendingPeers:         ctx.GlobalInt(MaxPendingPeersFlag.Name),
		Port:                    ctx.GlobalString(ListenPortFlag.Name),
		Olympic:                 ctx.GlobalBool(OlympicFlag.Name),
		NAT:                     MakeNAT(ctx),
		NatSpec:                 ctx.GlobalBool(NatspecEnabledFlag.Name),
		DocRoot:                 ctx.GlobalString(DocRootFlag.Name),
		Discovery:               !ctx.GlobalBool(NoDiscoverFlag.Name),
		NodeKey:                 MakeNodeKey(ctx),
		Shh:                     ctx.GlobalBool(WhisperEnabledFlag.Name),
		Dial:                    true,
		BootNodes:               ctx.GlobalString(BootnodesFlag.Name),
		GasPrice:                common.String2Big(ctx.GlobalString(GasPriceFlag.Name)),
		GpoMinGasPrice:          common.String2Big(ctx.GlobalString(GpoMinGasPriceFlag.Name)),
		GpoMaxGasPrice:          common.String2Big(ctx.GlobalString(GpoMaxGasPriceFlag.Name)),
		GpoFullBlockRatio:       ctx.GlobalInt(GpoFullBlockRatioFlag.Name),
		GpobaseStepDown:         ctx.GlobalInt(GpobaseStepDownFlag.Name),
		GpobaseStepUp:           ctx.GlobalInt(GpobaseStepUpFlag.Name),
		GpobaseCorrectionFactor: ctx.GlobalInt(GpobaseCorrectionFactorFlag.Name),
		SolcPath:                ctx.GlobalString(SolcPathFlag.Name),
		AutoDAG:                 ctx.GlobalBool(AutoDAGFlag.Name) || ctx.GlobalBool(MiningEnabledFlag.Name),
	}

	if ctx.GlobalBool(DevModeFlag.Name) && ctx.GlobalBool(TestNetFlag.Name) {
		glog.Fatalf("%s and %s are mutually exclusive\n", DevModeFlag.Name, TestNetFlag.Name)
	}

	if ctx.GlobalBool(TestNetFlag.Name) {
		// testnet is always stored in the testnet folder
		cfg.DataDir += "/testnet"
		cfg.NetworkId = 2
		cfg.TestNet = true
		// overwrite homestead block
		params.HomesteadBlock = params.TestNetHomesteadBlock
	}

	if ctx.GlobalBool(VMEnableJitFlag.Name) {
		cfg.Name += "/JIT"
	}
	if ctx.GlobalBool(DevModeFlag.Name) {
		if !ctx.GlobalIsSet(VMDebugFlag.Name) {
			cfg.VmDebug = true
		}
		if !ctx.GlobalIsSet(MaxPeersFlag.Name) {
			cfg.MaxPeers = 0
		}
		if !ctx.GlobalIsSet(GasPriceFlag.Name) {
			cfg.GasPrice = new(big.Int)
		}
		if !ctx.GlobalIsSet(ListenPortFlag.Name) {
			cfg.Port = "0" // auto port
		}
		if !ctx.GlobalIsSet(WhisperEnabledFlag.Name) {
			cfg.Shh = true
		}
		if !ctx.GlobalIsSet(DataDirFlag.Name) {
			cfg.DataDir = os.TempDir() + "/expanse_dev_mode"
		}
		cfg.PowTest = true
		cfg.DevMode = true

		glog.V(logger.Info).Infoln("dev mode enabled")
	}
	return cfg
}