path: root/cmd/ethereum/flags.go

// Copyright (c) 2013-2014, Jeffrey Wilcke. All rights reserved.
//
// This library 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 2.1 of the License, or (at your option) any later version.
//
// This library 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 this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
// MA 02110-1301  USA

package main

import (
    "flag"
    "fmt"
    "log"
    "os"
    "os/user"
    "path"

    "github.com/ethereum/go-ethereum/logger"
    "github.com/ethereum/go-ethereum/vm"
)

var (
    Identifier      string
    KeyRing         string
    DiffTool        bool
    DiffType        string
    KeyStore        string
    StartRpc        bool
    StartWebSockets bool
    RpcPort         int
    UseUPnP         bool
    OutboundPort    string
    ShowGenesis     bool
    AddPeer         string
    MaxPeer         int
    GenAddr         bool
    UseSeed         bool
    SecretFile      string
    ExportDir       string
    NonInteractive  bool
    Datadir         string
    LogFile         string
    ConfigFile      string
    DebugFile       string
    LogLevel        int
    Dump            bool
    DumpHash        string
    DumpNumber      int
    VmType          int
)

// flags specific to cli client
var (
    StartMining    bool
    StartJsConsole bool
    InputFile      string
)

func defaultDataDir() string {
    usr, _ := user.Current()
    return path.Join(usr.HomeDir, ".ethereum")
}

var defaultConfigFile = path.Join(defaultDataDir(), "conf.ini")

func Init() {
    flag.Usage = func() {
        fmt.Fprintf(os.Stderr, "%s [options] [filename]:\noptions precedence: default < config file < environment variables < command line\n", os.Args[0])
        flag.PrintDefaults()
    }

    flag.IntVar(&VmType, "vm", 0, "Virtual Machine type: 0-1: standard, debug")
    flag.StringVar(&Identifier, "id", "", "Custom client identifier")
    flag.StringVar(&KeyRing, "keyring", "", "identifier for keyring to use")
    flag.StringVar(&KeyStore, "keystore", "db", "system to store keyrings: db|file (db)")
    flag.StringVar(&OutboundPort, "port", "30303", "listening port")
    flag.BoolVar(&UseUPnP, "upnp", false, "enable UPnP support")
    flag.IntVar(&MaxPeer, "maxpeer", 10, "maximum desired peers")
    flag.IntVar(&RpcPort, "rpcport", 8080, "port to start json-rpc server on")
    flag.BoolVar(&StartRpc, "rpc", false, "start rpc server")
    flag.BoolVar(&StartWebSockets, "ws", false, "start websocket server")
    flag.BoolVar(&NonInteractive, "y", false, "non-interactive mode (say yes to confirmations)")
    flag.BoolVar(&UseSeed, "seed", true, "seed peers")
    flag.BoolVar(&GenAddr, "genaddr", false, "create a new priv/pub key")
    flag.StringVar(&SecretFile, "import", "", "imports the file given (hex or mnemonic formats)")
    flag.StringVar(&ExportDir, "export", "", "exports the session keyring to files in the directory given")
    flag.StringVar(&LogFile, "logfile", "", "log file (defaults to standard output)")
    flag.StringVar(&Datadir, "datadir", defaultDataDir(), "specifies the datadir to use")
    flag.StringVar(&ConfigFile, "conf", defaultConfigFile, "config file")
    flag.StringVar(&DebugFile, "debug", "", "debug file (no debugging if not set)")
    flag.IntVar(&LogLevel, "loglevel", int(logger.InfoLevel), "loglevel: 0-5: silent,error,warn,info,debug,debug detail)")
    flag.BoolVar(&DiffTool, "difftool", false, "creates output for diff'ing. Sets LogLevel=0")
    flag.StringVar(&DiffType, "diff", "all", "sets the level of diff output [vm, all]. Has no effect if difftool=false")
    flag.BoolVar(&ShowGenesis, "genesis", false, "Dump the genesis block")

    flag.BoolVar(&Dump, "dump", false, "output the ethereum state in JSON format. Sub args [number, hash]")
    flag.StringVar(&DumpHash, "hash", "", "specify arg in hex")
    flag.IntVar(&DumpNumber, "number", -1, "specify arg in number")

    flag.BoolVar(&StartMining, "mine", false, "start dagger mining")
    flag.BoolVar(&StartJsConsole, "js", false, "launches javascript console")

    flag.Parse()

    if VmType >= int(vm.MaxVmTy) {
        log.Fatal("Invalid VM type ", VmType)
    }

    InputFile = flag.Arg(0)
}