52ed3570c4
This change updates our urfave/cli dependency to the v2 branch of the library. There are some Go API changes in cli v2: - Flag values can now be accessed using the methods ctx.Bool, ctx.Int, ctx.String, ... regardless of whether the flag is 'local' or 'global'. - v2 has built-in support for flag categories. Our home-grown category system is removed and the categories of flags are assigned as part of the flag definition. For users, there is only one observable difference with cli v2: flags must now strictly appear before regular arguments. For example, the following command is now invalid: geth account import mykey.json --password file.txt Instead, the command must be invoked as follows: geth account import --password file.txt mykey.json
66 lines
2.0 KiB
Go
66 lines
2.0 KiB
Go
// Copyright 2017 The go-ethereum Authors
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// This file is part of go-ethereum.
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//
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// go-ethereum is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// go-ethereum is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
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// puppeth is a command to assemble and maintain private networks.
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package main
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import (
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"math/rand"
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"os"
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"strings"
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"time"
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"github.com/ethereum/go-ethereum/log"
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"github.com/urfave/cli/v2"
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)
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// main is just a boring entry point to set up the CLI app.
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func main() {
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app := cli.NewApp()
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app.Name = "puppeth"
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app.Usage = "assemble and maintain private Ethereum networks"
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app.Flags = []cli.Flag{
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&cli.StringFlag{
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Name: "network",
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Usage: "name of the network to administer (no spaces or hyphens, please)",
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},
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&cli.IntFlag{
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Name: "loglevel",
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Value: 3,
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Usage: "log level to emit to the screen",
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},
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}
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app.Before = func(c *cli.Context) error {
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// Set up the logger to print everything and the random generator
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log.Root().SetHandler(log.LvlFilterHandler(log.Lvl(c.Int("loglevel")), log.StreamHandler(os.Stdout, log.TerminalFormat(true))))
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rand.Seed(time.Now().UnixNano())
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return nil
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}
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app.Action = runWizard
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app.Run(os.Args)
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}
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// runWizard start the wizard and relinquish control to it.
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func runWizard(c *cli.Context) error {
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network := c.String("network")
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if strings.Contains(network, " ") || strings.Contains(network, "-") || strings.ToLower(network) != network {
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log.Crit("No spaces, hyphens or capital letters allowed in network name")
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}
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makeWizard(c.String("network")).run()
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return nil
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}
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