Method fetchOpenInterest

js/src/pacifica.js:2678–2683

* @method * @name pacifica#fetchOpenInterest * @description retrieves the open interest of a contract trading pair * @param {string} symbol unified CCXT market symbol * @param {object} [params] exchange specific parameters * @returns {object} an [open interest structure]{@li

(symbol, params = {})

     * @returns {object} an [open interest structure]{@link https://docs.ccxt.com/?id=open-interest-structure}
     */
    async fetchOpenInterest(symbol, params = {}) {
        symbol = this.symbol(symbol);
        await this.loadMarkets();
        const ois = await this.fetchOpenInterests([symbol], params);
        return ois[symbol];
    }
    parseOpenInterest(interest, market = undefined) {
        //
        //     {