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path: root/cmd/peerserver/main.go
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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 {}
}