code: def getTradeHistory(pair, connection=None, info=None, count=None):
      
  
      if info is not None:
          info.validate_pair(pair)
  
      if connection is None:
          connection = common.BTCEConnection()
  
      response = connection.makeJSONRequest("/api/3/trades/%s" % pair)
      if type(response) is not dict:
          raise TypeError("The response is not a dict.")
  
      history = response.get(pair)
      if type(history) is not list:
          raise TypeError("The response is a %r, not a list." % type(history))
  
      result = []
  
      # Limit the number of items returned if requested.
      if count is not None:
          history = history[:count]
  
      for h in history:
          h["pair"] = pair
          t = Trade(**h)
          result.append(t)
      return result
docs: Retrieve the trade history for the given pair.  Returns a list of
      Trade instances.  If count is not None, it should be an integer, and
      specifies the number of items from the trade history that will be
      processed and returned.