github.com/linapex/ethereum-go-chinese@v0.0.0-20190316121929-f8b7a73c3fa1/cmd/puppeth/puppeth.go (about)

     1  
     2  //<developer>
     3  //    <name>linapex 曹一峰</name>
     4  //    <email>linapex@163.com</email>
     5  //    <wx>superexc</wx>
     6  //    <qqgroup>128148617</qqgroup>
     7  //    <url>https://jsq.ink</url>
     8  //    <role>pku engineer</role>
     9  //    <date>2019-03-16 19:16:33</date>
    10  //</624450069638156288>
    11  
    12  
    13  //Puppeth是一个集合和维护私有网络的命令。
    14  package main
    15  
    16  import (
    17  	"math/rand"
    18  	"os"
    19  	"strings"
    20  	"time"
    21  
    22  	"github.com/ethereum/go-ethereum/log"
    23  	"gopkg.in/urfave/cli.v1"
    24  )
    25  
    26  //
    27  func main() {
    28  	app := cli.NewApp()
    29  	app.Name = "puppeth"
    30  	app.Usage = "assemble and maintain private Ethereum networks"
    31  	app.Flags = []cli.Flag{
    32  		cli.StringFlag{
    33  			Name:  "network",
    34  			Usage: "name of the network to administer (no spaces or hyphens, please)",
    35  		},
    36  		cli.IntFlag{
    37  			Name:  "loglevel",
    38  			Value: 3,
    39  			Usage: "log level to emit to the screen",
    40  		},
    41  	}
    42  	app.Before = func(c *cli.Context) error {
    43  //设置记录器以打印所有内容和随机生成器
    44  		log.Root().SetHandler(log.LvlFilterHandler(log.Lvl(c.Int("loglevel")), log.StreamHandler(os.Stdout, log.TerminalFormat(true))))
    45  		rand.Seed(time.Now().UnixNano())
    46  
    47  		return nil
    48  	}
    49  	app.Action = runWizard
    50  	app.Run(os.Args)
    51  }
    52  
    53  //
    54  func runWizard(c *cli.Context) error {
    55  	network := c.String("network")
    56  	if strings.Contains(network, " ") || strings.Contains(network, "-") || strings.ToLower(network) != network {
    57  		log.Crit("No spaces, hyphens or capital letters allowed in network name")
    58  	}
    59  	makeWizard(c.String("network")).run()
    60  	return nil
    61  }
    62