code: def auction_history(self, symbol='btcusd', since=0,
                          limit_auction_results=50, include_indicative=1):
          
          url = self.base_url + '/v1/auction/' + symbol + '/history'
          params = {
              'since': since,
              'limit_auction_results': limit_auction_results,
              'include_indicative': include_indicative
          }
  
          return requests.get(url, params)
docs: Send a request for auction history info, return the response.
  
          Arguments:
          symbol -- currency symbol (default 'btcusd')
          since -- only return auction events after this timestamp (default 0)
          limit_auction_results -- maximum number of auction events to return
                                   (default 50).
          include_indicative -- whether to include publication of indicative
                                prices and quantities. (default True)