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// Copyright 2017 The go-ethereum Authors
// This file is part of go-ethereum.
//
// go-ethereum 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 3 of the License, or
// (at your option) any later version.
//
// go-ethereum 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 go-ethereum. If not, see <http://www.gnu.org/licenses/>.
// puppeth is a command to assemble and maintain private networks.
package main
import (
"encoding/json"
"io/ioutil"
"math/rand"
"os"
"strings"
"time"
"github.com/ethereum/go-ethereum/cmd/utils"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/log"
"gopkg.in/urfave/cli.v1"
)
// main is just a boring entry point to set up the CLI app.
func main() {
app := cli.NewApp()
app.Name = "puppeth"
app.Usage = "assemble and maintain private Ethereum networks"
app.Flags = []cli.Flag{
cli.StringFlag{
Name: "network",
Usage: "name of the network to administer (no spaces or hyphens, please)",
},
cli.IntFlag{
Name: "loglevel",
Value: 3,
Usage: "log level to emit to the screen",
},
}
app.Commands = []cli.Command{
cli.Command{
Action: utils.MigrateFlags(convert),
Name: "convert",
Usage: "Convert from geth genesis into chainspecs for other nodes.",
ArgsUsage: "<geth-genesis.json>",
},
}
app.Action = func(c *cli.Context) error {
// Set up the logger to print everything and the random generator
log.Root().SetHandler(log.LvlFilterHandler(log.Lvl(c.Int("loglevel")), log.StreamHandler(os.Stdout, log.TerminalFormat(true))))
rand.Seed(time.Now().UnixNano())
network := c.String("network")
if strings.Contains(network, " ") || strings.Contains(network, "-") || strings.ToLower(network) != network {
log.Crit("No spaces, hyphens or capital letters allowed in network name")
}
// Start the wizard and relinquish control
makeWizard(c.String("network")).run()
return nil
}
app.Run(os.Args)
}
func convert(ctx *cli.Context) error {
// Ensure we have a source genesis
log.Root().SetHandler(log.LvlFilterHandler(log.LvlInfo, log.StreamHandler(os.Stdout, log.TerminalFormat(true))))
if len(ctx.Args()) != 1 {
utils.Fatalf("No geth genesis provided")
}
blob, err := ioutil.ReadFile(ctx.Args().First())
if err != nil {
utils.Fatalf("Could not read file: %v", err)
}
var genesis core.Genesis
if err := json.Unmarshal(blob, &genesis); err != nil {
utils.Fatalf("Failed parsing genesis: %v", err)
}
basename := strings.TrimRight(ctx.Args().First(), ".json")
convertGenesis(&genesis, basename, basename, []string{})
return nil
}
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