Method bookTickers

src/node-binance-api.ts:3973–3977

* Gets the book tickers of given symbol(s) * @see https://developers.binance.com/docs/binance-spot-api-docs/testnet/rest-api/market-data-endpoints#symbol-order-book-ticker * @param {string} symbol - the symbol * @return {promise or undefined} - omitting the callback returns a promise

(symbol?: string, params: Dict = {})

    * @return {promise or undefined} - omitting the callback returns a promise
    */
    async bookTickers(symbol?: string, params: Dict = {}): Promise<{ [key: string]: BookTicker }> {
        if (symbol) params.symbol = symbol;
        const data = await this.publicSpotRequest('v3/ticker/bookTicker', params);
        return this.bookPriceData(data);
    }

    /**
    * Gets the prevday percentage change