Fetch Ohlcv

import ccxt from '../../js/ccxt.js';
// AUTO-TRANSPILE //
async function example() {
   const myex = new ccxt.okx({});
   const fromTimestamp = myex.milliseconds() - 86400 * 1000; // last 24 hrs
   const ohlcv = await myex.fetchOHLCV('BTC/USDT', '1m', fromTimestamp, 3, { 'whatever': 123 });
   const length = ohlcv.length;
   if (length > 0) {
       const lastPrice = ohlcv[length - 1][4];
       console.log('Fetched ', length, ' candles for ', myex.id, ':  last close ', lastPrice);
   }
   else {
       console.log('No candles have been fetched');
   }
}
await example();