Exemplo n.º 1
0
// MakeSystemNode sets up a local node, configures the services to launch and
// assembles the P2P protocol stack.
func MakeSystemNode(name, version string, relconf release.Config, extra []byte, ctx *cli.Context) *node.Node {
	// Avoid conflicting network flags
	networks, netFlags := 0, []cli.BoolFlag{DevModeFlag, TestNetFlag, OlympicFlag}
	for _, flag := range netFlags {
		if ctx.GlobalBool(flag.Name) {
			networks++
		}
	}
	if networks > 1 {
		Fatalf("The %v flags are mutually exclusive", netFlags)
	}
	// Configure the node's service container
	stackConf := &node.Config{
		DataDir:         MustMakeDataDir(ctx),
		PrivateKey:      MakeNodeKey(ctx),
		Name:            MakeNodeName(name, version, ctx),
		NoDiscovery:     ctx.GlobalBool(NoDiscoverFlag.Name),
		BootstrapNodes:  MakeBootstrapNodes(ctx),
		ListenAddr:      MakeListenAddress(ctx),
		NAT:             MakeNAT(ctx),
		MaxPeers:        ctx.GlobalInt(MaxPeersFlag.Name),
		MaxPendingPeers: ctx.GlobalInt(MaxPendingPeersFlag.Name),
		IPCPath:         MakeIPCPath(ctx),
		HTTPHost:        MakeHTTPRpcHost(ctx),
		HTTPPort:        ctx.GlobalInt(RPCPortFlag.Name),
		HTTPCors:        ctx.GlobalString(RPCCORSDomainFlag.Name),
		HTTPModules:     MakeRPCModules(ctx.GlobalString(RPCApiFlag.Name)),
		WSHost:          MakeWSRpcHost(ctx),
		WSPort:          ctx.GlobalInt(WSPortFlag.Name),
		WSOrigins:       ctx.GlobalString(WSAllowedOriginsFlag.Name),
		WSModules:       MakeRPCModules(ctx.GlobalString(WSApiFlag.Name)),
	}
	// Configure the Ethereum service
	accman := MakeAccountManager(ctx)

	// initialise new random number generator
	rand := rand.New(rand.NewSource(time.Now().UnixNano()))
	// get enabled jit flag
	jitEnabled := ctx.GlobalBool(VMEnableJitFlag.Name)
	// if the jit is not enabled enable it for 10 pct of the people
	if !jitEnabled && rand.Float64() < 0.1 {
		jitEnabled = true
		glog.V(logger.Info).Infoln("You're one of the lucky few that will try out the JIT VM (random). If you get a consensus failure please be so kind to report this incident with the block hash that failed. You can switch to the regular VM by setting --jitvm=false")
	}

	ethConf := &eth.Config{
		ChainConfig:             MustMakeChainConfig(ctx),
		Genesis:                 MakeGenesisBlock(ctx),
		FastSync:                ctx.GlobalBool(FastSyncFlag.Name),
		BlockChainVersion:       ctx.GlobalInt(BlockchainVersionFlag.Name),
		DatabaseCache:           ctx.GlobalInt(CacheFlag.Name),
		DatabaseHandles:         MakeDatabaseHandles(),
		NetworkId:               ctx.GlobalInt(NetworkIdFlag.Name),
		AccountManager:          accman,
		Etherbase:               MakeEtherbase(accman, ctx),
		MinerThreads:            ctx.GlobalInt(MinerThreadsFlag.Name),
		ExtraData:               MakeMinerExtra(extra, ctx),
		NatSpec:                 ctx.GlobalBool(NatspecEnabledFlag.Name),
		DocRoot:                 ctx.GlobalString(DocRootFlag.Name),
		EnableJit:               jitEnabled,
		ForceJit:                ctx.GlobalBool(VMForceJitFlag.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),
	}
	// Configure the Whisper service
	shhEnable := ctx.GlobalBool(WhisperEnabledFlag.Name)

	// Override any default configs in dev mode or the test net
	switch {
	case ctx.GlobalBool(OlympicFlag.Name):
		if !ctx.GlobalIsSet(NetworkIdFlag.Name) {
			ethConf.NetworkId = 1
		}
		if !ctx.GlobalIsSet(GenesisFileFlag.Name) {
			ethConf.Genesis = core.OlympicGenesisBlock()
		}

	case ctx.GlobalBool(TestNetFlag.Name):
		if !ctx.GlobalIsSet(NetworkIdFlag.Name) {
			ethConf.NetworkId = 2
		}
		if !ctx.GlobalIsSet(GenesisFileFlag.Name) {
			ethConf.Genesis = core.TestNetGenesisBlock()
		}
		state.StartingNonce = 1048576 // (2**20)

	case ctx.GlobalBool(DevModeFlag.Name):
		// Override the base network stack configs
		if !ctx.GlobalIsSet(DataDirFlag.Name) {
			stackConf.DataDir = filepath.Join(os.TempDir(), "/ethereum_dev_mode")
		}
		if !ctx.GlobalIsSet(MaxPeersFlag.Name) {
			stackConf.MaxPeers = 0
		}
		if !ctx.GlobalIsSet(ListenPortFlag.Name) {
			stackConf.ListenAddr = ":0"
		}
		// Override the Ethereum protocol configs
		if !ctx.GlobalIsSet(GenesisFileFlag.Name) {
			ethConf.Genesis = core.OlympicGenesisBlock()
		}
		if !ctx.GlobalIsSet(GasPriceFlag.Name) {
			ethConf.GasPrice = new(big.Int)
		}
		if !ctx.GlobalIsSet(WhisperEnabledFlag.Name) {
			shhEnable = true
		}
		ethConf.PowTest = true
	}
	// Assemble and return the protocol stack
	stack, err := node.New(stackConf)
	if err != nil {
		Fatalf("Failed to create the protocol stack: %v", err)
	}
	if err := stack.Register(func(ctx *node.ServiceContext) (node.Service, error) {
		return eth.New(ctx, ethConf)
	}); err != nil {
		Fatalf("Failed to register the Ethereum service: %v", err)
	}
	if shhEnable {
		if err := stack.Register(func(*node.ServiceContext) (node.Service, error) { return whisper.New(), nil }); err != nil {
			Fatalf("Failed to register the Whisper service: %v", err)
		}
	}
	if err := stack.Register(func(ctx *node.ServiceContext) (node.Service, error) {
		return release.NewReleaseService(ctx, relconf)
	}); err != nil {
		Fatalf("Failed to register the Geth release oracle service: %v", err)
	}
	return stack
}
Exemplo n.º 2
0
// MakeSystemNode sets up a local node, configures the services to launch and
// assembles the P2P protocol stack.
func MakeSystemNode(name, version string, extra []byte, ctx *cli.Context) *node.Node {
	// Avoid conflicting network flags
	networks, netFlags := 0, []cli.BoolFlag{DevModeFlag, TestNetFlag, OlympicFlag}
	for _, flag := range netFlags {
		if ctx.GlobalBool(flag.Name) {
			networks++
		}
	}
	if networks > 1 {
		Fatalf("The %v flags are mutually exclusive", netFlags)
	}
	// Configure the node's service container
	stackConf := &node.Config{
		DataDir:         MustMakeDataDir(ctx),
		PrivateKey:      MakeNodeKey(ctx),
		Name:            MakeNodeName(name, version, ctx),
		NoDiscovery:     ctx.GlobalBool(NoDiscoverFlag.Name),
		BootstrapNodes:  MakeBootstrapNodes(ctx),
		ListenAddr:      MakeListenAddress(ctx),
		NAT:             MakeNAT(ctx),
		MaxPeers:        ctx.GlobalInt(MaxPeersFlag.Name),
		MaxPendingPeers: ctx.GlobalInt(MaxPendingPeersFlag.Name),
		IPCPath:         MakeIPCPath(ctx),
		HTTPHost:        MakeHTTPRpcHost(ctx),
		HTTPPort:        ctx.GlobalInt(RPCPortFlag.Name),
		HTTPCors:        ctx.GlobalString(RPCCORSDomainFlag.Name),
		HTTPModules:     strings.Split(ctx.GlobalString(RPCApiFlag.Name), ","),
		WSHost:          MakeWSRpcHost(ctx),
		WSPort:          ctx.GlobalInt(WSPortFlag.Name),
		WSDomains:       ctx.GlobalString(WSAllowedDomainsFlag.Name),
		WSModules:       strings.Split(ctx.GlobalString(WSApiFlag.Name), ","),
	}
	// Configure the Ethereum service
	accman := MakeAccountManager(ctx)

	ethConf := &eth.Config{
		Genesis:                 MakeGenesisBlock(ctx),
		FastSync:                ctx.GlobalBool(FastSyncFlag.Name),
		BlockChainVersion:       ctx.GlobalInt(BlockchainVersionFlag.Name),
		DatabaseCache:           ctx.GlobalInt(CacheFlag.Name),
		DatabaseHandles:         MakeDatabaseHandles(),
		NetworkId:               ctx.GlobalInt(NetworkIdFlag.Name),
		AccountManager:          accman,
		Etherbase:               MakeEtherbase(accman, ctx),
		MinerThreads:            ctx.GlobalInt(MinerThreadsFlag.Name),
		ExtraData:               MakeMinerExtra(extra, ctx),
		NatSpec:                 ctx.GlobalBool(NatspecEnabledFlag.Name),
		DocRoot:                 ctx.GlobalString(DocRootFlag.Name),
		EnableJit:               ctx.GlobalBool(VMEnableJitFlag.Name),
		ForceJit:                ctx.GlobalBool(VMForceJitFlag.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),
	}
	// Configure the Whisper service
	shhEnable := ctx.GlobalBool(WhisperEnabledFlag.Name)

	// Override any default configs in dev mode or the test net
	switch {
	case ctx.GlobalBool(OlympicFlag.Name):
		if !ctx.GlobalIsSet(NetworkIdFlag.Name) {
			ethConf.NetworkId = 1
		}
		if !ctx.GlobalIsSet(GenesisFileFlag.Name) {
			ethConf.Genesis = core.OlympicGenesisBlock()
		}

	case ctx.GlobalBool(TestNetFlag.Name):
		if !ctx.GlobalIsSet(NetworkIdFlag.Name) {
			ethConf.NetworkId = 2
		}
		if !ctx.GlobalIsSet(GenesisFileFlag.Name) {
			ethConf.Genesis = core.TestNetGenesisBlock()
		}
		state.StartingNonce = 1048576 // (2**20)
		// overwrite homestead block
		params.HomesteadBlock = params.TestNetHomesteadBlock

	case ctx.GlobalBool(DevModeFlag.Name):
		// Override the base network stack configs
		if !ctx.GlobalIsSet(DataDirFlag.Name) {
			stackConf.DataDir = filepath.Join(os.TempDir(), "/ethereum_dev_mode")
		}
		if !ctx.GlobalIsSet(MaxPeersFlag.Name) {
			stackConf.MaxPeers = 0
		}
		if !ctx.GlobalIsSet(ListenPortFlag.Name) {
			stackConf.ListenAddr = ":0"
		}
		// Override the Ethereum protocol configs
		if !ctx.GlobalIsSet(GenesisFileFlag.Name) {
			ethConf.Genesis = core.OlympicGenesisBlock()
		}
		if !ctx.GlobalIsSet(GasPriceFlag.Name) {
			ethConf.GasPrice = new(big.Int)
		}
		if !ctx.GlobalIsSet(WhisperEnabledFlag.Name) {
			shhEnable = true
		}
		ethConf.PowTest = true
	}
	// Assemble and return the protocol stack
	stack, err := node.New(stackConf)
	if err != nil {
		Fatalf("Failed to create the protocol stack: %v", err)
	}
	if err := stack.Register(func(ctx *node.ServiceContext) (node.Service, error) {
		return eth.New(ctx, ethConf)
	}); err != nil {
		Fatalf("Failed to register the Ethereum service: %v", err)
	}
	if shhEnable {
		if err := stack.Register(func(*node.ServiceContext) (node.Service, error) { return whisper.New(), nil }); err != nil {
			Fatalf("Failed to register the Whisper service: %v", err)
		}
	}

	return stack
}