code: def order_status(self, order_id):
          
          data = {'id': order_id}
          return self._post("order_status/", data=data, return_json=True,
                            version=1)
docs: Returns dictionary.
          - status: 'Finished'
            or      'In Queue'
            or      'Open'
          - transactions: list of transactions
            Each transaction is a dictionary with the following keys:
                btc, usd, price, type, fee, datetime, tid
            or  btc, eur, ....
            or  eur, usd, ....