bmino

const Api1 = require('node-binance-api');
const Api2 = require('node-binance-api');

let singleton1 = Api1();
let singleton2 = Api2();
let instance1 = new Api1();
let instance2= new Api1();

const OPTION_NAME = 'recvWindow';

bmino

let api = function Binance() {
    let self = this;

    self.cache = 0;
    
    return {
        setCache: function(val) {
            self.cache = val;
        },
        getCache: function() {