github.com/jonasnick/go-ethereum@v0.7.12-0.20150216215225-22176f05d387/cmd/ethereum/main.go (about)

     1  /*
     2  	This file is part of go-ethereum
     3  
     4  	go-ethereum is free software: you can redistribute it and/or modify
     5  	it under the terms of the GNU General Public License as published by
     6  	the Free Software Foundation, either version 3 of the License, or
     7  	(at your option) any later version.
     8  
     9  	go-ethereum is distributed in the hope that it will be useful,
    10  	but WITHOUT ANY WARRANTY; without even the implied warranty of
    11  	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    12  	GNU General Public License for more details.
    13  
    14  	You should have received a copy of the GNU General Public License
    15  	along with go-ethereum.  If not, see <http://www.gnu.org/licenses/>.
    16  */
    17  /**
    18   * @authors
    19   * 	Jeffrey Wilcke <i@jev.io>
    20   */
    21  package main
    22  
    23  import (
    24  	"fmt"
    25  	"os"
    26  	"runtime"
    27  	"time"
    28  
    29  	"github.com/jonasnick/go-ethereum/cmd/utils"
    30  	"github.com/jonasnick/go-ethereum/core/types"
    31  	"github.com/jonasnick/go-ethereum/eth"
    32  	"github.com/jonasnick/go-ethereum/ethutil"
    33  	"github.com/jonasnick/go-ethereum/logger"
    34  	"github.com/jonasnick/go-ethereum/p2p"
    35  	"github.com/jonasnick/go-ethereum/state"
    36  )
    37  
    38  const (
    39  	ClientIdentifier = "Ethereum(G)"
    40  	Version          = "0.8.3"
    41  )
    42  
    43  var clilogger = logger.NewLogger("CLI")
    44  
    45  func main() {
    46  	runtime.GOMAXPROCS(runtime.NumCPU())
    47  
    48  	defer func() {
    49  		logger.Flush()
    50  	}()
    51  
    52  	utils.HandleInterrupt()
    53  
    54  	// precedence: code-internal flag default < config file < environment variables < command line
    55  	Init() // parsing command line
    56  
    57  	if PrintVersion {
    58  		printVersion()
    59  		return
    60  	}
    61  
    62  	utils.InitConfig(VmType, ConfigFile, Datadir, "ETH")
    63  
    64  	ethereum, err := eth.New(&eth.Config{
    65  		Name:      p2p.MakeName(ClientIdentifier, Version),
    66  		KeyStore:  KeyStore,
    67  		DataDir:   Datadir,
    68  		LogFile:   LogFile,
    69  		LogLevel:  LogLevel,
    70  		MaxPeers:  MaxPeer,
    71  		Port:      OutboundPort,
    72  		NAT:       NAT,
    73  		KeyRing:   KeyRing,
    74  		Shh:       SHH,
    75  		Dial:      Dial,
    76  		BootNodes: BootNodes,
    77  		NodeKey:   NodeKey,
    78  	})
    79  
    80  	if err != nil {
    81  		clilogger.Fatalln(err)
    82  	}
    83  
    84  	utils.KeyTasks(ethereum.KeyManager(), KeyRing, GenAddr, SecretFile, ExportDir, NonInteractive)
    85  
    86  	if Dump {
    87  		var block *types.Block
    88  
    89  		if len(DumpHash) == 0 && DumpNumber == -1 {
    90  			block = ethereum.ChainManager().CurrentBlock()
    91  		} else if len(DumpHash) > 0 {
    92  			block = ethereum.ChainManager().GetBlock(ethutil.Hex2Bytes(DumpHash))
    93  		} else {
    94  			block = ethereum.ChainManager().GetBlockByNumber(uint64(DumpNumber))
    95  		}
    96  
    97  		if block == nil {
    98  			fmt.Fprintln(os.Stderr, "block not found")
    99  
   100  			// We want to output valid JSON
   101  			fmt.Println("{}")
   102  
   103  			os.Exit(1)
   104  		}
   105  
   106  		// Leave the Println. This needs clean output for piping
   107  		statedb := state.New(block.Root(), ethereum.Db())
   108  		fmt.Printf("%s\n", statedb.Dump())
   109  
   110  		fmt.Println(block)
   111  
   112  		return
   113  	}
   114  
   115  	if StartMining {
   116  		utils.StartMining(ethereum)
   117  	}
   118  
   119  	if len(ImportChain) > 0 {
   120  		start := time.Now()
   121  		err := utils.ImportChain(ethereum, ImportChain)
   122  		if err != nil {
   123  			clilogger.Infoln(err)
   124  		}
   125  		clilogger.Infoln("import done in", time.Since(start))
   126  		return
   127  	}
   128  
   129  	if StartRpc {
   130  		utils.StartRpc(ethereum, RpcPort)
   131  	}
   132  
   133  	if StartWebSockets {
   134  		utils.StartWebSockets(ethereum, WsPort)
   135  	}
   136  
   137  	utils.StartEthereum(ethereum)
   138  
   139  	if StartJsConsole {
   140  		InitJsConsole(ethereum)
   141  	} else if len(InputFile) > 0 {
   142  		ExecJsFile(ethereum, InputFile)
   143  	}
   144  	// this blocks the thread
   145  	ethereum.WaitForShutdown()
   146  }
   147  
   148  func printVersion() {
   149  	fmt.Printf(`%v %v
   150  PV=%d
   151  GOOS=%s
   152  GO=%s
   153  GOPATH=%s
   154  GOROOT=%s
   155  `, ClientIdentifier, Version, eth.ProtocolVersion, runtime.GOOS, runtime.Version(), os.Getenv("GOPATH"), runtime.GOROOT())
   156  }