code: public DSXOrderbookWrapper getDSXOrderbook(String pairs, String type) throws IOException {
  
      return dsx.getOrderbook(pairs.toLowerCase(), 1, type);
    }
docs: Get market depth from exchange
  
  @param pairs String of currency pairs to retrieve (e.g. "btcusd-btceur")
  @return DSXOrderbookWrapper object
  @throws IOException