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kucoin: add more comment

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c9s 2021-12-26 03:19:03 +08:00
parent 9b8995acea
commit e44390b655
1 changed files with 3 additions and 0 deletions
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3
pkg/exchange/kucoin/exchange.go
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@ -126,6 +126,8 @@ func (e *Exchange) QueryTickers(ctx context.Context, symbols ...string) (map[str
return tickers, nil
}
// From the doc
// Type of candlestick patterns: 1min, 3min, 5min, 15min, 30min, 1hour, 2hour, 4hour, 6hour, 8hour, 12hour, 1day, 1week
var supportedIntervals = map[types.Interval]int{
types.Interval1m: 60,
types.Interval5m: 60 * 5,
@ -158,6 +160,7 @@ func (e *Exchange) QueryKLines(ctx context.Context, symbol string, interval type
req.Interval(toLocalInterval(interval))
if options.StartTime != nil {
req.StartAt(*options.StartTime)
// For each query, the system would return at most **1500** pieces of data. To obtain more data, please page the data by time.
req.EndAt(options.StartTime.Add(1500 * interval.Duration()))
} else if options.EndTime != nil {
req.EndAt(*options.EndTime)