Method fetch_order_book

python/ccxt/extended.py:862–905

fetches information on open orders with bid(buy) and ask(sell) prices, volumes and other data https://api.docs.extended.exchange/#get-market-order-book :param str symbol: unified symbol of the market to fetch the order book for :param int [limit]: the maximum amoun

(self, symbol: str, limit: Int = None, params={})

        }, market)

    def fetch_order_book(self, symbol: str, limit: Int = None, params={}) -> OrderBook:
        """
        fetches information on open orders with bid(buy) and ask(sell) prices, volumes and other data

        https://api.docs.extended.exchange/#get-market-order-book

        :param str symbol: unified symbol of the market to fetch the order book for
        :param int [limit]: the maximum amount of order book entries to return
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns dict: A dictionary of `order book structures <https://docs.ccxt.com/?id=order-book-structure>`
        """
        self.load_markets()
        market = self.market(symbol)
        request = {
            'market': market['id'],
        }
        response = self.v1PublicGetInfoMarketsMarketOrderbook(self.extend(request, params))
        #
        #     {
        #       "status": "OK",
        #       "data": {
        #         "market": "BTC-USD",
        #         "bid": [
        #           {
        #             "qty": "14.46084",
        #             "price": "76214"
        #           }
        #         ],
        #         "ask": [
        #           {
        #             "qty": "0.11585",
        #             "price": "76215"
        #           }
        #         ]
        #       }
        #     }
        #
        data = self.safe_dict(response, 'data', {})
        timestamp = self.milliseconds()
        orderbook = self.parse_order_book(data, market['symbol'], timestamp, 'bid', 'ask', 'price', 'qty')
        if limit is not None:
            orderbook['bids'] = self.array_slice(orderbook['bids'], 0, limit)
            orderbook['asks'] = self.array_slice(orderbook['asks'], 0, limit)
        return orderbook

    def fetch_trades(self, symbol: str, since: Int = None, limit: Int = None, params={}) -> List[Trade]:
        """