op-geth/cmd/peerserver/main.go

59 lines
1.7 KiB
Go

/*
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 (
"crypto/elliptic"
"flag"
"log"
"os"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/p2p"
)
var (
natType = flag.String("nat", "", "NAT traversal implementation")
pmpGateway = flag.String("gateway", "", "gateway address for NAT-PMP")
listenAddr = flag.String("addr", ":30301", "listen address")
)
func main() {
flag.Parse()
nat, err := p2p.ParseNAT(*natType, *pmpGateway)
if err != nil {
log.Fatal("invalid nat:", err)
}
logger.AddLogSystem(logger.NewStdLogSystem(os.Stdout, log.LstdFlags, logger.InfoLevel))
key, _ := crypto.GenerateKey()
marshaled := elliptic.Marshal(crypto.S256(), key.PublicKey.X, key.PublicKey.Y)
srv := p2p.Server{
MaxPeers: 100,
Identity: p2p.NewSimpleClientIdentity("Ethereum(G)", "0.1", "Peer Server Two", marshaled),
ListenAddr: *listenAddr,
NAT: nat,
NoDial: true,
}
if err := srv.Start(); err != nil {
log.Fatal("could not start server:", err)
}
select {}
}