Method tickerPrice

src/node-binance-api.ts:3927–3940

* Gets the ticker price via WebSocket API (JSON-RPC) * @param {string} symbol - single symbol * @param {string[]} symbols - array of symbols * @param {object} options - additional options (e.g. symbolStatus) * @see https://developers.binance.com/docs/binance-spot-api-docs/web-socket-

(symbol?: string, symbols?: string[], options: Dict = {})

    * @return {promise} - resolves with ticker price data
    */
    async tickerPrice(symbol?: string, symbols?: string[], options: Dict = {}): Promise<any> {
        if (symbol && symbols) {
            throw new Error('Cannot specify both symbol and symbols parameters');
        }

        const connectionId = 'marketData';
        await this.ensureWsApiConnection(connectionId);

        const params: Dict = { ...options };
        if (symbol) params.symbol = symbol;
        if (symbols) params.symbols = symbols;

        return this.sendWsApiRequest(connectionId, 'ticker.price', params);
    }

    /**
    * Ensures a WebSocket API connection is open for the given connectionId