exchange close

'use strict';
import ccxt from '../../js/ccxt.js';
console.log('CCXT Version:', ccxt.version); // eslint-disable-line import/no-named-as-default-member
const orderbooks = {};
let run = true;
async function watchOrderBook(exchange, symbol) {
    while (run) {
        try {
            const orderbook = await exchange.watchOrderBook(symbol);
            orderbooks[symbol] = orderbook;
            console.log(exchange.iso8601(exchange.milliseconds()), orderbook['datetime'], orderbook['nonce'], symbol, orderbook['asks'][0], orderbook['bids'][0]);
        }
        catch (e) {
            console.log(e.constructor.name, e.message);
        }
    }
}
async function stop(exchange) {
    await exchange.sleep(10000);
    run = false;
    await exchange.close();
}
async function main() {
    const exchange = new ccxt.pro.binance();
    await exchange.loadMarkets();
    exchange.verbose = true;
    const symbols = [
        'BTC/USDT',
        'ETH/USDT',
    ];
    stop(exchange).then(() => { });
    await Promise.all(symbols.map((symbol) => watchOrderBook(exchange, symbol)));
    console.log('Sleeping for a moment...');
    await exchange.sleep(10000);
    console.log('Done');
}
main();