ritmex-bot/docs/ccxt/wiki/examples/js/builtin-rate-limiting-rest-poller.md

• Builtin Rate Limiting Rest Poller

import ccxt from '../../js/ccxt.js';
import log from 'ololog';
import { nice as ansi } from 'ansicolor';
import asTable from 'as-table';

const exchange = new ccxt.coinbasepro ()
const repeat   = 100

async function test (symbol) {

   for (let i = 0; i < repeat; i++) {
       let ticker = await exchange.fetchTicker (symbol)
       log (exchange.id.green, exchange.iso8601 (exchange.milliseconds ()), ticker['datetime'], symbol.green, ticker['last'])
   }
}

const concurrent = [
   test ('BTC/USD'),
   test ('ETH/BTC'),
   test ('ETH/USD')
]

Promise.all (concurrent)