/// <summary>
/// Extension allowing candlestick interval as a string.
/// </summary>
/// <param name="client"></param>
/// <param name="symbol"></param>
/// <param name="interval"></param>
/// <param name="limit"></param>
/// <param name="startTime"></param>
/// <param name="endTime"></param>
/// <param name="token"></param>
/// <returns></returns>
public static async Task <string> GetCandlesticksAsync(this IKucoinHttpClient client, string symbol, string interval, int limit = default, long startTime = default, long endTime = default, CancellationToken token = default)
{
Throw.IfNull(client, nameof(client));
if (client.RateLimiter != null)
{
await client.RateLimiter.DelayAsync(token : token)
.ConfigureAwait(false);
}
return(await client.GetCandlesticksAsync(symbol, interval.ToCandlestickInterval(), limit, startTime, endTime, token)
.ConfigureAwait(false));
}