Method deliveryTickerStream

src/node-binance-api.ts:5986–5993

* Delivery WebSocket prevDay ticker * @param {symbol} symbol name or false. can also be a callback * @param {function} callback - callback function * @return {string} the websocket endpoint

(symbol?: string, callback = console.log)

     * @return {string} the websocket endpoint
     */
    deliveryTickerStream(symbol?: string, callback = console.log) {
        const reconnect = () => {
            if (this.Options.reconnect) this.deliveryTickerStream(symbol, callback);
        };
        const endpoint = symbol ? `${symbol.toLowerCase()}@ticker` : '!ticker@arr';
        const subscription = this.deliverySubscribeSingle(endpoint, data => callback(this.dTickerConvertData(data)), { reconnect });
        return (subscription as any).url;
    }

    /**
     * Delivery WebSocket miniTicker