mirror of
https://gitlab.com/pulsechaincom/go-pulse.git
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96 lines
2.3 KiB
Go
96 lines
2.3 KiB
Go
// Copyright 2019 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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package main
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import (
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"fmt"
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"os"
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"github.com/ethereum/go-ethereum/internal/debug"
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"github.com/ethereum/go-ethereum/internal/flags"
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"github.com/ethereum/go-ethereum/p2p/enode"
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"github.com/urfave/cli/v2"
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)
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var app = flags.NewApp("go-ethereum devp2p tool")
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func init() {
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app.Flags = append(app.Flags, debug.Flags...)
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app.Before = func(ctx *cli.Context) error {
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flags.MigrateGlobalFlags(ctx)
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return debug.Setup(ctx)
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}
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app.After = func(ctx *cli.Context) error {
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debug.Exit()
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return nil
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}
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app.CommandNotFound = func(ctx *cli.Context, cmd string) {
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fmt.Fprintf(os.Stderr, "No such command: %s\n", cmd)
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os.Exit(1)
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}
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// Add subcommands.
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app.Commands = []*cli.Command{
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enrdumpCommand,
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keyCommand,
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discv4Command,
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discv5Command,
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dnsCommand,
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nodesetCommand,
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rlpxCommand,
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}
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}
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func main() {
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exit(app.Run(os.Args))
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}
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// commandHasFlag returns true if the current command supports the given flag.
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func commandHasFlag(ctx *cli.Context, flag cli.Flag) bool {
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names := flag.Names()
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set := make(map[string]struct{}, len(names))
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for _, name := range names {
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set[name] = struct{}{}
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}
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for _, fn := range ctx.FlagNames() {
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if _, ok := set[fn]; ok {
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return true
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}
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}
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return false
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}
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// getNodeArg handles the common case of a single node descriptor argument.
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func getNodeArg(ctx *cli.Context) *enode.Node {
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if ctx.NArg() < 1 {
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exit("missing node as command-line argument")
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}
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n, err := parseNode(ctx.Args().First())
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if err != nil {
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exit(err)
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}
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return n
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}
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func exit(err interface{}) {
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if err == nil {
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os.Exit(0)
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}
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fmt.Fprintln(os.Stderr, err)
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os.Exit(1)
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}
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