Official Go implementation of the Ethereum protocol
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go-ethereum/cmd/peerserver/main.go

40 lines
920 B

package main
import (
"crypto/elliptic"
"fmt"
"log"
"net"
"os"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/p2p"
)
func main() {
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: 10,
Identity: p2p.NewSimpleClientIdentity("Ethereum(G)", "0.1", "Peer Server Two", string(marshaled)),
ListenAddr: ":30301",
NAT: p2p.UPNP(),
}
if err := srv.Start(); err != nil {
fmt.Println("could not start server:", err)
os.Exit(1)
}
// add seed peers
seed, err := net.ResolveTCPAddr("tcp", "poc-7.ethdev.com:30300")
if err != nil {
fmt.Println("couldn't resolve:", err)
os.Exit(1)
}
srv.SuggestPeer(seed.IP, seed.Port, nil)
select {}
}