// 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 := ð.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 }
// 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 := ð.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 }