cc-10.java

private void connectToServer(InetAddress ip) {
  try {
    Socket s = new Socket();
    s.connect(
      new InetSocketAddress(ip, Cutrecoin.PORT),
      Cutrecoin.TIMEOUT
    );
    s.close();
    // Añadir a la lista de nodos
    for (InetAddress ia : peers) {
      if (ia.equals(ip)) return;
    }
    peers.add(ip);
  } catch (Exception e) {
    peers.remove(ip);
  }
}