public BankDataApiImpl(QuickPayConfigStorage quickPayConfigStorage) {
    this.quickPayConfigStorage = quickPayConfigStorage;

    String proxyUrl = quickPayConfigStorage.getProxyUrl();
    int proxyPort = quickPayConfigStorage.getProxyPort();
    if (!TextUtils.isEmpty(proxyUrl)) {
      InetSocketAddress inetSocketAddress = new InetSocketAddress(proxyUrl, proxyPort);
      Proxy httpProxy = new Proxy(Proxy.Type.HTTP, inetSocketAddress);
      postEngine = new PostEngine(httpProxy);
    } else {
      postEngine = new PostEngine();
    }
  }