Method fetch_ticker

python/ccxt/gate.py:2741–2780

fetches a price ticker, a statistical calculation with the information calculated over the past 24 hours for a specific market https://www.gate.com/docs/developers/apiv4/en/#get-currency-pair-ticker-information https://www.gate.com/docs/developers/apiv4/en/#get-all-futures-

(self, symbol: str, params={})

        return result

    def fetch_ticker(self, symbol: str, params={}) -> Ticker:
        """
        fetches a price ticker, a statistical calculation with the information calculated over the past 24 hours for a specific market

        https://www.gate.com/docs/developers/apiv4/en/#get-currency-pair-ticker-information
        https://www.gate.com/docs/developers/apiv4/en/#get-all-futures-trading-statistics
        https://www.gate.com/docs/developers/apiv4/en/#get-all-futures-trading-statistics-2
        https://www.gate.com/docs/developers/apiv4/en/#query-options-market-ticker-information

        :param str symbol: unified symbol of the market to fetch the ticker for
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns dict: a `ticker structure <https://docs.ccxt.com/?id=ticker-structure>`
        """
        self.load_markets()
        market = self.market(symbol)
        request, query = self.prepare_request(market, None, params)
        response: dict
        if market['spot'] or market['margin']:
            response = self.publicSpotGetTickers(self.extend(request, query))
        elif market['swap']:
            response = self.publicFuturesGetSettleTickers(self.extend(request, query))
        elif market['future']:
            response = self.publicDeliveryGetSettleTickers(self.extend(request, query))
        elif market['option']:
            marketId = market['id']
            optionParts = marketId.split('-')
            request['underlying'] = self.safe_string(optionParts, 0)
            response = self.publicOptionsGetTickers(self.extend(request, query))
        else:
            raise NotSupported(self.id + ' fetchTicker() not support self market type')
        ticker = None
        if market['option']:
            for i in range(0, len(response)):
                entry = response[i]
                if entry['name'] == market['id']:
                    ticker = entry
                    break
        else:
            ticker = self.safe_value(response, 0)
        return self.parse_ticker(ticker, market)

    def parse_ticker(self, ticker: dict, market: Market = None) -> Ticker:
        #