public static ChannelFuture connect(PeerAddress peerAddress, byte[] hashinfo)
throws InterruptedException {
if (bootstrap == null) {
init();
}
bootstrap.handler(HandlerFactory.client(hashinfo));
ChannelFuture channelFuture =
bootstrap.connect(peerAddress.getAddress(), peerAddress.getPort()).sync();
register(peerAddress, channelFuture.channel());
return channelFuture;
}