Watch New Trades

'use strict';
import ccxt from '../../js/ccxt.js';
console.log('CCXT Version:', ccxt.version); // eslint-disable-line import/no-named-as-default-member
(async () => {
   const streams = {
       'binance': 'BTC/USDT',
       'okx': 'BTC/USDT',
   };
   await Promise.all(Object.keys(streams).map((exchangeId) => (async () => {
       const exchange = new ccxt.pro[exchangeId]({
           'options': {
               'tradesLimit': 100, // lower = better, 1000 by default
           },
       });
       const symbol = streams[exchangeId];
       let lastId = '';
       while (true) { // eslint-disable-line no-constant-condition
           console.log('---');
           try {
               const trades = await exchange.watchTrades(symbol);
               for (let i = 0; i < trades.length; i++) {
                   const trade = trades[i];
                   if (trade['id'] > lastId) {
                       console.log(exchange.iso8601(exchange.milliseconds()), exchange.id, trade['symbol'], trade['id'], trade['datetime'], trade['price'], trade['amount']);
                       lastId = trade['id'];
                   }
               }
           }
           catch (e) {
               console.log(symbol, e);
           }
       }
   })()));
})();