code: public WexTradesWrapper getBTCETrades(String pairs, int size) throws IOException {
  
      size = size < 1 ? 1 : (size > FULL_SIZE ? FULL_SIZE : size);
  
      return btce.getTrades(pairs.toLowerCase(), size, 1);
    }
docs: Get recent trades from exchange
  
  @param pairs Dash-delimited string of currency pairs to retrieve (e.g. "btc_usd-ltc_btc")
  @param size Integer value from 1 to 2000 -> get corresponding number of items
  @return WexTradesWrapper object
  @throws IOException