// Copyright 2015 The go-ethereum Authors // This file is part of go-ethereum. // // go-ethereum is free software: you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // // go-ethereum is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with go-ethereum. If not, see . package utils import ( "crypto/ecdsa" "fmt" "io/ioutil" "log" "math" "math/big" "net" "net/http" "os" "path/filepath" "runtime" "strconv" "strings" "github.com/codegangsta/cli" "github.com/ethereum/ethash" "github.com/ethereum/go-ethereum/accounts" "github.com/ethereum/go-ethereum/common" "github.com/ethereum/go-ethereum/core" "github.com/ethereum/go-ethereum/core/state" "github.com/ethereum/go-ethereum/core/vm" "github.com/ethereum/go-ethereum/crypto" "github.com/ethereum/go-ethereum/eth" "github.com/ethereum/go-ethereum/ethdb" "github.com/ethereum/go-ethereum/event" "github.com/ethereum/go-ethereum/logger" "github.com/ethereum/go-ethereum/logger/glog" "github.com/ethereum/go-ethereum/metrics" "github.com/ethereum/go-ethereum/node" "github.com/ethereum/go-ethereum/p2p/discover" "github.com/ethereum/go-ethereum/p2p/nat" "github.com/ethereum/go-ethereum/params" "github.com/ethereum/go-ethereum/rpc/api" "github.com/ethereum/go-ethereum/rpc/codec" "github.com/ethereum/go-ethereum/rpc/comms" "github.com/ethereum/go-ethereum/rpc/shared" "github.com/ethereum/go-ethereum/rpc/useragent" "github.com/ethereum/go-ethereum/whisper" "github.com/ethereum/go-ethereum/xeth" ) func init() { cli.AppHelpTemplate = `{{.Name}} {{if .Flags}}[global options] {{end}}command{{if .Flags}} [command options]{{end}} [arguments...] VERSION: {{.Version}} COMMANDS: {{range .Commands}}{{.Name}}{{with .ShortName}}, {{.}}{{end}}{{ "\t" }}{{.Usage}} {{end}}{{if .Flags}} GLOBAL OPTIONS: {{range .Flags}}{{.}} {{end}}{{end}} ` cli.CommandHelpTemplate = `{{.Name}}{{if .Subcommands}} command{{end}}{{if .Flags}} [command options]{{end}} [arguments...] {{if .Description}}{{.Description}} {{end}}{{if .Subcommands}} SUBCOMMANDS: {{range .Subcommands}}{{.Name}}{{with .ShortName}}, {{.}}{{end}}{{ "\t" }}{{.Usage}} {{end}}{{end}}{{if .Flags}} OPTIONS: {{range .Flags}}{{.}} {{end}}{{end}} ` } // NewApp creates an app with sane defaults. func NewApp(version, usage string) *cli.App { app := cli.NewApp() app.Name = filepath.Base(os.Args[0]) app.Author = "" //app.Authors = nil app.Email = "" app.Version = version app.Usage = usage return app } // These are all the command line flags we support. // If you add to this list, please remember to include the // flag in the appropriate command definition. // // The flags are defined here so their names and help texts // are the same for all commands. var ( // General settings DataDirFlag = DirectoryFlag{ Name: "datadir", Usage: "Data directory for the databases and keystore", Value: DirectoryString{common.DefaultDataDir()}, } NetworkIdFlag = cli.IntFlag{ Name: "networkid", Usage: "Network identifier (integer, 0=Olympic, 1=Frontier, 2=Morden)", Value: eth.NetworkId, } OlympicFlag = cli.BoolFlag{ Name: "olympic", Usage: "Olympic network: pre-configured pre-release test network", } TestNetFlag = cli.BoolFlag{ Name: "testnet", Usage: "Morden network: pre-configured test network with modified starting nonces (replay protection)", } DevModeFlag = cli.BoolFlag{ Name: "dev", Usage: "Developer mode: pre-configured private network with several debugging flags", } GenesisFileFlag = cli.StringFlag{ Name: "genesis", Usage: "Insert/overwrite the genesis block (JSON format)", } IdentityFlag = cli.StringFlag{ Name: "identity", Usage: "Custom node name", } NatspecEnabledFlag = cli.BoolFlag{ Name: "natspec", Usage: "Enable NatSpec confirmation notice", } DocRootFlag = DirectoryFlag{ Name: "docroot", Usage: "Document Root for HTTPClient file scheme", Value: DirectoryString{common.HomeDir()}, } CacheFlag = cli.IntFlag{ Name: "cache", Usage: "Megabytes of memory allocated to internal caching (min 16MB / database forced)", Value: 0, } BlockchainVersionFlag = cli.IntFlag{ Name: "blockchainversion", Usage: "Blockchain version (integer)", Value: core.BlockChainVersion, } FastSyncFlag = cli.BoolFlag{ Name: "fast", Usage: "Enable fast syncing through state downloads", } LightKDFFlag = cli.BoolFlag{ Name: "lightkdf", Usage: "Reduce key-derivation RAM & CPU usage at some expense of KDF strength", } // Miner settings // TODO: refactor CPU vs GPU mining flags MiningEnabledFlag = cli.BoolFlag{ Name: "mine", Usage: "Enable mining", } MinerThreadsFlag = cli.IntFlag{ Name: "minerthreads", Usage: "Number of CPU threads to use for mining", Value: runtime.NumCPU(), } MiningGPUFlag = cli.StringFlag{ Name: "minergpus", Usage: "List of GPUs to use for mining (e.g. '0,1' will use the first two GPUs found)", } AutoDAGFlag = cli.BoolFlag{ Name: "autodag", Usage: "Enable automatic DAG pregeneration", } EtherbaseFlag = cli.StringFlag{ Name: "etherbase", Usage: "Public address for block mining rewards (default = first account created)", Value: "0", } GasPriceFlag = cli.StringFlag{ Name: "gasprice", Usage: "Minimal gas price to accept for mining a transactions", Value: new(big.Int).Mul(big.NewInt(50), common.Shannon).String(), } ExtraDataFlag = cli.StringFlag{ Name: "extradata", Usage: "Block extra data set by the miner (default = client version)", } // Account settings UnlockedAccountFlag = cli.StringFlag{ Name: "unlock", Usage: "Comma separated list of accounts to unlock", Value: "", } PasswordFileFlag = cli.StringFlag{ Name: "password", Usage: "Password file to use for non-inteactive password input", Value: "", } // vm flags VMDebugFlag = cli.BoolFlag{ Name: "vmdebug", Usage: "Virtual Machine debug output", } VMForceJitFlag = cli.BoolFlag{ Name: "forcejit", Usage: "Force the JIT VM to take precedence", } VMJitCacheFlag = cli.IntFlag{ Name: "jitcache", Usage: "Amount of cached JIT VM programs", Value: 64, } VMEnableJitFlag = cli.BoolFlag{ Name: "jitvm", Usage: "Enable the JIT VM", } // logging and debug settings VerbosityFlag = cli.IntFlag{ Name: "verbosity", Usage: "Logging verbosity: 0-6 (0=silent, 1=error, 2=warn, 3=info, 4=core, 5=debug, 6=debug detail)", Value: int(logger.InfoLevel), } LogFileFlag = cli.StringFlag{ Name: "logfile", Usage: "Log output file within the data dir (default = no log file generated)", Value: "", } LogVModuleFlag = cli.GenericFlag{ Name: "vmodule", Usage: "Per-module verbosity: comma-separated list of =, where is file literal or a glog pattern", Value: glog.GetVModule(), } BacktraceAtFlag = cli.GenericFlag{ Name: "backtrace", Usage: "Request a stack trace at a specific logging statement (e.g. \"block.go:271\")", Value: glog.GetTraceLocation(), } PProfEanbledFlag = cli.BoolFlag{ Name: "pprof", Usage: "Enable the profiling server on localhost", } PProfPortFlag = cli.IntFlag{ Name: "pprofport", Usage: "Profile server listening port", Value: 6060, } MetricsEnabledFlag = cli.BoolFlag{ Name: metrics.MetricsEnabledFlag, Usage: "Enable metrics collection and reporting", } // RPC settings RPCEnabledFlag = cli.BoolFlag{ Name: "rpc", Usage: "Enable the HTTP-RPC server", } RPCListenAddrFlag = cli.StringFlag{ Name: "rpcaddr", Usage: "HTTP-RPC server listening interface", Value: "127.0.0.1", } RPCPortFlag = cli.IntFlag{ Name: "rpcport", Usage: "HTTP-RPC server listening port", Value: 8545, } RPCCORSDomainFlag = cli.StringFlag{ Name: "rpccorsdomain", Usage: "Domains from which to accept cross origin requests (browser enforced)", Value: "", } RpcApiFlag = cli.StringFlag{ Name: "rpcapi", Usage: "API's offered over the HTTP-RPC interface", Value: comms.DefaultHttpRpcApis, } IPCDisabledFlag = cli.BoolFlag{ Name: "ipcdisable", Usage: "Disable the IPC-RPC server", } IPCApiFlag = cli.StringFlag{ Name: "ipcapi", Usage: "API's offered over the IPC-RPC interface", Value: comms.DefaultIpcApis, } IPCPathFlag = DirectoryFlag{ Name: "ipcpath", Usage: "Filename for IPC socket/pipe", Value: DirectoryString{common.DefaultIpcPath()}, } ExecFlag = cli.StringFlag{ Name: "exec", Usage: "Execute JavaScript statement (only in combination with console/attach)", } // Network Settings MaxPeersFlag = cli.IntFlag{ Name: "maxpeers", Usage: "Maximum number of network peers (network disabled if set to 0)", Value: 25, } MaxPendingPeersFlag = cli.IntFlag{ Name: "maxpendpeers", Usage: "Maximum number of pending connection attempts (defaults used if set to 0)", Value: 0, } ListenPortFlag = cli.IntFlag{ Name: "port", Usage: "Network listening port", Value: 30303, } BootnodesFlag = cli.StringFlag{ Name: "bootnodes", Usage: "Comma separated enode URLs for P2P discovery bootstrap", Value: "", } NodeKeyFileFlag = cli.StringFlag{ Name: "nodekey", Usage: "P2P node key file", } NodeKeyHexFlag = cli.StringFlag{ Name: "nodekeyhex", Usage: "P2P node key as hex (for testing)", } NATFlag = cli.StringFlag{ Name: "nat", Usage: "NAT port mapping mechanism (any|none|upnp|pmp|extip:)", Value: "any", } NoDiscoverFlag = cli.BoolFlag{ Name: "nodiscover", Usage: "Disables the peer discovery mechanism (manual peer addition)", } WhisperEnabledFlag = cli.BoolFlag{ Name: "shh", Usage: "Enable Whisper", } // ATM the url is left to the user and deployment to JSpathFlag = cli.StringFlag{ Name: "jspath", Usage: "JavaSript root path for `loadScript` and document root for `admin.httpGet`", Value: ".", } SolcPathFlag = cli.StringFlag{ Name: "solc", Usage: "Solidity compiler command to be used", Value: "solc", } // Gas price oracle settings GpoMinGasPriceFlag = cli.StringFlag{ Name: "gpomin", Usage: "Minimum suggested gas price", Value: new(big.Int).Mul(big.NewInt(50), common.Shannon).String(), } GpoMaxGasPriceFlag = cli.StringFlag{ Name: "gpomax", Usage: "Maximum suggested gas price", Value: new(big.Int).Mul(big.NewInt(500), common.Shannon).String(), } GpoFullBlockRatioFlag = cli.IntFlag{ Name: "gpofull", Usage: "Full block threshold for gas price calculation (%)", Value: 80, } GpobaseStepDownFlag = cli.IntFlag{ Name: "gpobasedown", Usage: "Suggested gas price base step down ratio (1/1000)", Value: 10, } GpobaseStepUpFlag = cli.IntFlag{ Name: "gpobaseup", Usage: "Suggested gas price base step up ratio (1/1000)", Value: 100, } GpobaseCorrectionFactorFlag = cli.IntFlag{ Name: "gpobasecf", Usage: "Suggested gas price base correction factor (%)", Value: 110, } ) // MustMakeDataDir retrieves the currently requested data directory, terminating // if none (or the empty string) is specified. If the node is starting a testnet, // the a subdirectory of the specified datadir will be used. func MustMakeDataDir(ctx *cli.Context) string { if path := ctx.GlobalString(DataDirFlag.Name); path != "" { if ctx.GlobalBool(TestNetFlag.Name) { return filepath.Join(path, "/testnet") } return path } Fatalf("Cannot determine default data directory, please set manually (--datadir)") return "" } // MakeNodeKey creates a node key from set command line flags, either loading it // from a file or as a specified hex value. If neither flags were provided, this // method returns nil and an emphemeral key is to be generated. func MakeNodeKey(ctx *cli.Context) *ecdsa.PrivateKey { var ( hex = ctx.GlobalString(NodeKeyHexFlag.Name) file = ctx.GlobalString(NodeKeyFileFlag.Name) key *ecdsa.PrivateKey err error ) switch { case file != "" && hex != "": Fatalf("Options %q and %q are mutually exclusive", NodeKeyFileFlag.Name, NodeKeyHexFlag.Name) case file != "": if key, err = crypto.LoadECDSA(file); err != nil { Fatalf("Option %q: %v", NodeKeyFileFlag.Name, err) } case hex != "": if key, err = crypto.HexToECDSA(hex); err != nil { Fatalf("Option %q: %v", NodeKeyHexFlag.Name, err) } } return key } // 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 } // MakeBootstrapNodes creates a list of bootstrap nodes from the command line // flags, reverting to pre-configured ones if none have been specified. func MakeBootstrapNodes(ctx *cli.Context) []*discover.Node { // Return pre-configured nodes if none were manually requested if !ctx.GlobalIsSet(BootnodesFlag.Name) { if ctx.GlobalBool(TestNetFlag.Name) { return TestNetBootNodes } return FrontierBootNodes } // Otherwise parse and use the CLI bootstrap nodes bootnodes := []*discover.Node{} for _, url := range strings.Split(ctx.GlobalString(BootnodesFlag.Name), ",") { node, err := discover.ParseNode(url) if err != nil { glog.V(logger.Error).Infof("Bootstrap URL %s: %v\n", url, err) continue } bootnodes = append(bootnodes, node) } return bootnodes } // MakeListenAddress creates a TCP listening address string from set command // line flags. func MakeListenAddress(ctx *cli.Context) string { return fmt.Sprintf(":%d", ctx.GlobalInt(ListenPortFlag.Name)) } // MakeNAT creates a port mapper from set command line flags. func MakeNAT(ctx *cli.Context) nat.Interface { natif, err := nat.Parse(ctx.GlobalString(NATFlag.Name)) if err != nil { Fatalf("Option %s: %v", NATFlag.Name, err) } return natif } // MakeGenesisBlock loads up a genesis block from an input file specified in the // command line, or returns the empty string if none set. func MakeGenesisBlock(ctx *cli.Context) string { genesis := ctx.GlobalString(GenesisFileFlag.Name) if genesis == "" { return "" } data, err := ioutil.ReadFile(genesis) if err != nil { Fatalf("Failed to load custom genesis file: %v", err) } return string(data) } // MakeAccountManager creates an account manager from set command line flags. func MakeAccountManager(ctx *cli.Context) *accounts.Manager { // Create the keystore crypto primitive, light if requested scryptN := crypto.StandardScryptN scryptP := crypto.StandardScryptP if ctx.GlobalBool(LightKDFFlag.Name) { scryptN = crypto.LightScryptN scryptP = crypto.LightScryptP } // Assemble an account manager using the configured datadir var ( datadir = MustMakeDataDir(ctx) keystore = crypto.NewKeyStorePassphrase(filepath.Join(datadir, "keystore"), scryptN, scryptP) ) return accounts.NewManager(keystore) } // MakeAddress converts an account specified directly as a hex encoded string or // a key index in the key store to an internal account representation. func MakeAddress(accman *accounts.Manager, account string) common.Address { // If the specified account is a valid address, return it if common.IsHexAddress(account) { return common.HexToAddress(account) } // Otherwise try to interpret the account as a keystore index index, err := strconv.Atoi(account) if err != nil { Fatalf("Invalid account address or index: '%s'", account) } hex, err := accman.AddressByIndex(index) if err != nil { Fatalf("Failed to retrieve requested account #%d: %v", index, err) } return common.HexToAddress(hex) } // MakeEtherbase retrieves the etherbase either from the directly specified // command line flags or from the keystore if CLI indexed. func MakeEtherbase(accman *accounts.Manager, ctx *cli.Context) common.Address { // If the specified etherbase is a valid address, return it etherbase := ctx.GlobalString(EtherbaseFlag.Name) if common.IsHexAddress(etherbase) { return common.HexToAddress(etherbase) } // If no etherbase was specified and no accounts are known, bail out accounts, _ := accman.Accounts() if etherbase == "" && len(accounts) == 0 { glog.V(logger.Error).Infoln("WARNING: No etherbase set and no accounts found as default") return common.Address{} } // Otherwise try to interpret the parameter as a keystore index index, err := strconv.Atoi(etherbase) if err != nil { Fatalf("Invalid account address or index: '%s'", etherbase) } hex, err := accman.AddressByIndex(index) if err != nil { Fatalf("Failed to set requested account #%d as etherbase: %v", index, err) } return common.HexToAddress(hex) } // MakeMinerExtra resolves extradata for the miner from the set command line flags // or returns a default one composed on the client, runtime and OS metadata. func MakeMinerExtra(extra []byte, ctx *cli.Context) []byte { if ctx.GlobalIsSet(ExtraDataFlag.Name) { return []byte(ctx.GlobalString(ExtraDataFlag.Name)) } return extra } // MakePasswordList loads up a list of password from a file specified by the // command line flags. func MakePasswordList(ctx *cli.Context) []string { if path := ctx.GlobalString(PasswordFileFlag.Name); path != "" { blob, err := ioutil.ReadFile(path) if err != nil { Fatalf("Failed to read password file: %v", err) } return strings.Split(string(blob), "\n") } return nil } // 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), } // 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), 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), 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 } if !ctx.GlobalIsSet(VMDebugFlag.Name) { vm.Debug = 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 } // SetupLogger configures glog from the logging-related command line flags. func SetupLogger(ctx *cli.Context) { glog.SetV(ctx.GlobalInt(VerbosityFlag.Name)) glog.CopyStandardLogTo("INFO") glog.SetToStderr(true) if ctx.GlobalIsSet(LogFileFlag.Name) { logger.New("", ctx.GlobalString(LogFileFlag.Name), ctx.GlobalInt(VerbosityFlag.Name)) } if ctx.GlobalIsSet(VMDebugFlag.Name) { vm.Debug = ctx.GlobalBool(VMDebugFlag.Name) } } // SetupNetwork configures the system for either the main net or some test network. func SetupNetwork(ctx *cli.Context) { switch { case ctx.GlobalBool(OlympicFlag.Name): params.DurationLimit = big.NewInt(8) params.GenesisGasLimit = big.NewInt(3141592) params.MinGasLimit = big.NewInt(125000) params.MaximumExtraDataSize = big.NewInt(1024) NetworkIdFlag.Value = 0 core.BlockReward = big.NewInt(1.5e+18) core.ExpDiffPeriod = big.NewInt(math.MaxInt64) } } // SetupVM configured the VM package's global settings func SetupVM(ctx *cli.Context) { vm.EnableJit = ctx.GlobalBool(VMEnableJitFlag.Name) vm.ForceJit = ctx.GlobalBool(VMForceJitFlag.Name) vm.SetJITCacheSize(ctx.GlobalInt(VMJitCacheFlag.Name)) } // MakeChain creates a chain manager from set command line flags. func MakeChain(ctx *cli.Context) (chain *core.BlockChain, chainDb ethdb.Database) { datadir := MustMakeDataDir(ctx) cache := ctx.GlobalInt(CacheFlag.Name) var err error if chainDb, err = ethdb.NewLDBDatabase(filepath.Join(datadir, "chaindata"), cache); err != nil { Fatalf("Could not open database: %v", err) } if ctx.GlobalBool(OlympicFlag.Name) { _, err := core.WriteTestNetGenesisBlock(chainDb) if err != nil { glog.Fatalln(err) } } eventMux := new(event.TypeMux) pow := ethash.New() //genesis := core.GenesisBlock(uint64(ctx.GlobalInt(GenesisNonceFlag.Name)), blockDB) chain, err = core.NewBlockChain(chainDb, pow, eventMux) if err != nil { Fatalf("Could not start chainmanager: %v", err) } return chain, chainDb } func IpcSocketPath(ctx *cli.Context) (ipcpath string) { if runtime.GOOS == "windows" { ipcpath = common.DefaultIpcPath() if ctx.GlobalIsSet(IPCPathFlag.Name) { ipcpath = ctx.GlobalString(IPCPathFlag.Name) } } else { ipcpath = common.DefaultIpcPath() if ctx.GlobalIsSet(DataDirFlag.Name) { ipcpath = filepath.Join(ctx.GlobalString(DataDirFlag.Name), "geth.ipc") } if ctx.GlobalIsSet(IPCPathFlag.Name) { ipcpath = ctx.GlobalString(IPCPathFlag.Name) } } return } // StartIPC starts a IPC JSON-RPC API server. func StartIPC(stack *node.Node, ctx *cli.Context) error { config := comms.IpcConfig{ Endpoint: IpcSocketPath(ctx), } initializer := func(conn net.Conn) (comms.Stopper, shared.EthereumApi, error) { var ethereum *eth.Ethereum if err := stack.Service(ðereum); err != nil { return nil, nil, err } fe := useragent.NewRemoteFrontend(conn, ethereum.AccountManager()) xeth := xeth.New(stack, fe) apis, err := api.ParseApiString(ctx.GlobalString(IPCApiFlag.Name), codec.JSON, xeth, stack) if err != nil { return nil, nil, err } return xeth, api.Merge(apis...), nil } return comms.StartIpc(config, codec.JSON, initializer) } // StartRPC starts a HTTP JSON-RPC API server. func StartRPC(stack *node.Node, ctx *cli.Context) error { config := comms.HttpConfig{ ListenAddress: ctx.GlobalString(RPCListenAddrFlag.Name), ListenPort: uint(ctx.GlobalInt(RPCPortFlag.Name)), CorsDomain: ctx.GlobalString(RPCCORSDomainFlag.Name), } xeth := xeth.New(stack, nil) codec := codec.JSON apis, err := api.ParseApiString(ctx.GlobalString(RpcApiFlag.Name), codec, xeth, stack) if err != nil { return err } return comms.StartHttp(config, codec, api.Merge(apis...)) } func StartPProf(ctx *cli.Context) { address := fmt.Sprintf("localhost:%d", ctx.GlobalInt(PProfPortFlag.Name)) go func() { log.Println(http.ListenAndServe(address, nil)) }() }