Method parse_ws_bid_ask

python/ccxt/pro/backpack.py:362–394

(self, ticker, market: Market = None)

        client.resolve(parsedBidAsk, messageHash)

    def parse_ws_bid_ask(self, ticker, market: Market = None):
        #
        #     {
        #         A: '0.4087',
        #         B: '0.0020',
        #         E: '1754517402450016',
        #         T: '1754517402449064',
        #         a: '3667.50',
        #         b: '3667.49',
        #         e: 'bookTicker',
        #         s: 'ETH_USDC',
        #         u: 1328288557
        #     }
        #
        marketId = self.safe_string(ticker, 's')
        market = self.safe_market(marketId, market)
        symbol = self.safe_string(market, 'symbol')
        microseconds = self.safe_integer(ticker, 'E')
        timestamp = self.parse_to_int(microseconds / 1000)
        ask = self.safe_string(ticker, 'a')
        askVolume = self.safe_string(ticker, 'A')
        bid = self.safe_string(ticker, 'b')
        bidVolume = self.safe_string(ticker, 'B')
        return self.safe_ticker({
            'symbol': symbol,
            'timestamp': timestamp,
            'datetime': self.iso8601(timestamp),
            'ask': ask,
            'askVolume': askVolume,
            'bid': bid,
            'bidVolume': bidVolume,
            'info': ticker,
        }, market)

    async def watch_ohlcv(self, symbol: str, timeframe='1m', since: Int = None, limit: Int = None, params={}) -> List[list]:
        """