Kucoin Rate Limit

// @NO_AUTO_TRANSPILE
import ccxt from '../../js/ccxt.js';
async function main() {
    const exchange = new ccxt.kucoin();
    const markets = await exchange.loadMarkets();
    const timeframe = '5m';
    const symbol = 'BTC/USDT';
    const since = undefined;
    const limit = 1000;
    let i = 0;
    while (true) {
        try {
            const ohlcvs = await exchange.fetchOHLCV(symbol, timeframe, since, limit);
            const now = exchange.milliseconds();
            const datetime = exchange.iso8601(now);
            console.log(datetime, i, 'fetched', ohlcvs.length, symbol, timeframe, 'candles', 'from', exchange.iso8601(ohlcvs[0][0]), 'to', exchange.iso8601(ohlcvs[ohlcvs.length - 1][0]));
        }
        catch (e) {
            if (e instanceof ccxt.RateLimitExceeded) {
                const now = exchange.milliseconds();
                const datetime = exchange.iso8601(now);
                console.log(datetime, i, e.constructor.name, e.message);
                await exchange.sleep(10000);
            }
            else {
                console.log(e.constructor.name, e.message);
                throw e;
            }
        }
        i += 1;
    }
}
main();