@Override
 public void onErrorOccurred(Exception ex) {
   isRefreshing = false;
   if (isAttached) {
     swipeRefreshLayout.setRefreshing(false);
     CommonLogger.exception(TAG, ex.getMessage(), ex);
   }
 }
  @Override
  public List<DigitalAsset> getMoreDataAsync(FermatRefreshTypes refreshType, int pos) {
    List<DigitalAsset> digitalAssets = new ArrayList<>();
    if (moduleManager != null) {
      try {
        digitalAssets = Data.getAllDigitalAssets(moduleManager);

      } catch (Exception ex) {
        CommonLogger.exception(TAG, ex.getMessage(), ex);
        if (errorManager != null)
          errorManager.reportUnexpectedWalletException(
              Wallets.DAP_ASSET_ISSUER_WALLET,
              UnexpectedWalletExceptionSeverity.DISABLES_SOME_FUNCTIONALITY_WITHIN_THIS_FRAGMENT,
              ex);
      }
    } else {
      Toast.makeText(
              getActivity(),
              "Sorry, an error happened in BrokerListActivityFragment (Module == null)",
              Toast.LENGTH_SHORT)
          .show();
    }
    return digitalAssets;
  }