/**
 * Resolves a hostname via remote DNS over socks5 proxy.
 */
@Nullable
public static InetSocketAddress lookup(Socks5Proxy proxy, InetSocketAddress addr) {
    if (!addr.isUnresolved()) {
        return addr;
    }
    try {
        SocksSocket proxySocket = new SocksSocket(proxy, addr.getHostString(), addr.getPort());
        InetAddress addrResolved = proxySocket.getInetAddress();
        proxySocket.close();
        if (addrResolved != null) {
            log.debug("Resolved " + addr.getHostString() + " to " + addrResolved.getHostAddress());
            return new InetSocketAddress(addrResolved, addr.getPort());
        } else {
            // note: .onion nodes fall in here when proxy is Tor. But they have no IP address.
            // Unfortunately bitcoinj crashes in PeerAddress if it finds an unresolved address.
            log.error("Connected to " + addr.getHostString() + ".  But did not resolve to address.");
        }
    } catch (Exception e) {
        log.warn("Error resolving " + addr.getHostString() + ". Exception:\n" + e.toString());
    }
    return null;
}
 

/**
 * Resolves a hostname via remote DNS over socks5 proxy.
 */
@Nullable
public static InetSocketAddress lookup(Socks5Proxy proxy, InetSocketAddress addr) {
    if (!addr.isUnresolved()) {
        return addr;
    }
    try {
        SocksSocket proxySocket = new SocksSocket(proxy, addr.getHostString(), addr.getPort());
        InetAddress addrResolved = proxySocket.getInetAddress();
        proxySocket.close();
        if (addrResolved != null) {
            //log.debug("Resolved " + addr.getHostString() + " to " + addrResolved.getHostAddress());
            return new InetSocketAddress(addrResolved, addr.getPort());
        } else {
            // note: .onion nodes fall in here when proxy is Tor. But they have no IP address.
            // Unfortunately bitcoinj crashes in PeerAddress if it finds an unresolved address.
            log.error("Connected to " + addr.getHostString() + ".  But did not resolve to address.");
        }
    } catch (Exception e) {
        log.warn("Error resolving " + addr.getHostString() + ". Exception:\n" + e.toString());
    }
    return null;
}
 

public static Socket Socks5connection(Socks5Proxy proxy, String onionUrl, int HiddenServicePort) throws IOException {
    Socket ssock = new SocksSocket(proxy, onionUrl, HiddenServicePort);
    ssock.setTcpNoDelay(true);
    return ssock;

}