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// Copyright 2018 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/>.
package main
import (
"os"
"github.com/ethereum/go-ethereum/cmd/utils"
"github.com/ethereum/go-ethereum/log"
cli "gopkg.in/urfave/cli.v1"
)
var gitCommit string // Git SHA1 commit hash of the release (set via linker flags)
// default value for "create" command --nodes flag
const defaultNodes = 10
func main() {
err := newApp().Run(os.Args)
if err != nil {
log.Error(err.Error())
os.Exit(1)
}
}
// newApp construct a new instance of Swarm Snapshot Utility.
// Method Run is called on it in the main function and in tests.
func newApp() (app *cli.App) {
app = utils.NewApp(gitCommit, "Swarm Snapshot Utility")
app.Name = "swarm-snapshot"
app.Usage = ""
// app flags (for all commands)
app.Flags = []cli.Flag{
cli.IntFlag{
Name: "verbosity",
Value: 1,
Usage: "verbosity level",
},
}
app.Commands = []cli.Command{
{
Name: "create",
Aliases: []string{"c"},
Usage: "create a swarm snapshot",
Action: create,
// Flags only for "create" command.
// Allow app flags to be specified after the
// command argument.
Flags: append(app.Flags,
cli.IntFlag{
Name: "nodes",
Value: defaultNodes,
Usage: "number of nodes",
},
cli.StringFlag{
Name: "services",
Value: "bzz",
Usage: "comma separated list of services to boot the nodes with",
},
),
},
}
return app
}
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