package utils import ( "crypto/ecdsa" "fmt" "net" "net/http" "os" "path" "runtime" "time" "github.com/codegangsta/cli" "github.com/ethereum/go-ethereum/accounts" "github.com/ethereum/go-ethereum/core" "github.com/ethereum/go-ethereum/crypto" "github.com/ethereum/go-ethereum/eth" "github.com/ethereum/go-ethereum/ethdb" "github.com/ethereum/go-ethereum/ethutil" "github.com/ethereum/go-ethereum/event" "github.com/ethereum/go-ethereum/logger" "github.com/ethereum/go-ethereum/p2p" "github.com/ethereum/go-ethereum/p2p/nat" "github.com/ethereum/go-ethereum/rpc" "github.com/ethereum/go-ethereum/xeth" ) // NewApp creates an app with sane defaults. func NewApp(version, usage string) *cli.App { app := cli.NewApp() app.Name = path.Base(os.Args[0]) app.Author = "" 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 VMTypeFlag = cli.IntFlag{ Name: "vm", Usage: "Virtual Machine type: 0 is standard VM, 1 is debug VM", } DataDirFlag = cli.StringFlag{ Name: "datadir", Usage: "Data directory to be used", Value: ethutil.DefaultDataDir(), } MinerThreadsFlag = cli.IntFlag{ Name: "minerthreads", Usage: "Number of miner threads", Value: runtime.NumCPU(), } MiningEnabledFlag = cli.BoolFlag{ Name: "mine", Usage: "Enable mining", } LogFileFlag = cli.StringFlag{ Name: "logfile", Usage: "Send log output to a file", } LogLevelFlag = cli.IntFlag{ Name: "loglevel", Usage: "0-5 (silent, error, warn, info, debug, debug detail)", Value: int(logger.InfoLevel), } LogFormatFlag = cli.StringFlag{ Name: "logformat", Usage: `"std" or "raw"`, Value: "std", } // RPC settings RPCEnabledFlag = cli.BoolFlag{ Name: "rpc", Usage: "Whether RPC server is enabled", } RPCListenAddrFlag = cli.StringFlag{ Name: "rpcaddr", Usage: "Listening address for the JSON-RPC server", Value: "127.0.0.1", } RPCPortFlag = cli.IntFlag{ Name: "rpcport", Usage: "Port on which the JSON-RPC server should listen", Value: 8545, } // Network Settings MaxPeersFlag = cli.IntFlag{ Name: "maxpeers", Usage: "Maximum number of network peers", Value: 16, } ListenPortFlag = cli.IntFlag{ Name: "port", Usage: "Network listening port", Value: 30303, } BootnodesFlag = cli.StringFlag{ Name: "bootnodes", Usage: "Space-separated enode URLs for 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: "Port mapping mechanism (any|none|upnp|pmp|extip:)", Value: "any", } ) func GetNAT(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 } func GetNodeKey(ctx *cli.Context) (key *ecdsa.PrivateKey) { hex, file := ctx.GlobalString(NodeKeyHexFlag.Name), ctx.GlobalString(NodeKeyFileFlag.Name) var 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 } func GetEthereum(clientID, version string, ctx *cli.Context) *eth.Ethereum { ethereum, err := eth.New(ð.Config{ Name: p2p.MakeName(clientID, version), DataDir: ctx.GlobalString(DataDirFlag.Name), LogFile: ctx.GlobalString(LogFileFlag.Name), LogLevel: ctx.GlobalInt(LogLevelFlag.Name), LogFormat: ctx.GlobalString(LogFormatFlag.Name), MinerThreads: ctx.GlobalInt(MinerThreadsFlag.Name), AccountManager: GetAccountManager(ctx), MaxPeers: ctx.GlobalInt(MaxPeersFlag.Name), Port: ctx.GlobalString(ListenPortFlag.Name), NAT: GetNAT(ctx), NodeKey: GetNodeKey(ctx), Shh: true, Dial: true, BootNodes: ctx.GlobalString(BootnodesFlag.Name), }) if err != nil { exit(err) } return ethereum } func GetChain(ctx *cli.Context) (*core.ChainManager, ethutil.Database) { dataDir := ctx.GlobalString(DataDirFlag.Name) db, err := ethdb.NewLDBDatabase(path.Join(dataDir, "blockchain")) if err != nil { Fatalf("Could not open database: %v", err) } return core.NewChainManager(db, new(event.TypeMux)), db } func GetAccountManager(ctx *cli.Context) *accounts.Manager { dataDir := ctx.GlobalString(DataDirFlag.Name) ks := crypto.NewKeyStorePassphrase(path.Join(dataDir, "keys")) return accounts.NewManager(ks, 300*time.Second) } func StartRPC(eth *eth.Ethereum, ctx *cli.Context) { addr := ctx.GlobalString(RPCListenAddrFlag.Name) port := ctx.GlobalInt(RPCPortFlag.Name) dataDir := ctx.GlobalString(DataDirFlag.Name) l, err := net.Listen("tcp", fmt.Sprintf("%s:%d", addr, port)) if err != nil { Fatalf("Can't listen on %s:%d: %v", addr, port, err) } go http.Serve(l, rpc.JSONRPC(xeth.New(eth), dataDir)) }