github.com/cryptotooltop/go-ethereum@v0.0.0-20231103184714-151d1922f3e5/cmd/puppeth/puppeth.go (about)

     1  // Copyright 2017 The go-ethereum Authors
     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  // puppeth is a command to assemble and maintain private networks.
    18  package main
    19  
    20  import (
    21  	"math/rand"
    22  	"os"
    23  	"strings"
    24  	"time"
    25  
    26  	"gopkg.in/urfave/cli.v1"
    27  
    28  	"github.com/scroll-tech/go-ethereum/log"
    29  )
    30  
    31  // main is just a boring entry point to set up the CLI app.
    32  func main() {
    33  	app := cli.NewApp()
    34  	app.Name = "puppeth"
    35  	app.Usage = "assemble and maintain private Ethereum networks"
    36  	app.Flags = []cli.Flag{
    37  		cli.StringFlag{
    38  			Name:  "network",
    39  			Usage: "name of the network to administer (no spaces or hyphens, please)",
    40  		},
    41  		cli.IntFlag{
    42  			Name:  "loglevel",
    43  			Value: 3,
    44  			Usage: "log level to emit to the screen",
    45  		},
    46  	}
    47  	app.Before = func(c *cli.Context) error {
    48  		// Set up the logger to print everything and the random generator
    49  		log.Root().SetHandler(log.LvlFilterHandler(log.Lvl(c.Int("loglevel")), log.StreamHandler(os.Stdout, log.TerminalFormat(true))))
    50  		rand.Seed(time.Now().UnixNano())
    51  
    52  		return nil
    53  	}
    54  	app.Action = runWizard
    55  	app.Run(os.Args)
    56  }
    57  
    58  // runWizard start the wizard and relinquish control to it.
    59  func runWizard(c *cli.Context) error {
    60  	network := c.String("network")
    61  	if strings.Contains(network, " ") || strings.Contains(network, "-") || strings.ToLower(network) != network {
    62  		log.Crit("No spaces, hyphens or capital letters allowed in network name")
    63  	}
    64  	makeWizard(c.String("network")).run()
    65  	return nil
    66  }