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indicator: add VOLUME api
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@ -69,6 +69,10 @@ func (i *IndicatorSet) CLOSE(interval types.Interval) *indicator.PriceStream {
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return closePrices
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}
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func (i *IndicatorSet) VOLUME(interval types.Interval) *indicator.PriceStream {
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return indicator.Volumes(i.KLines(interval))
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}
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func (i *IndicatorSet) RSI(iw types.IntervalWindow) *indicator.RSIStream {
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return indicator.RSI2(i.CLOSE(iw.Interval), iw.Window)
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}
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@ -51,3 +51,7 @@ func HighPrices(source KLineSubscription) *PriceStream {
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func OpenPrices(source KLineSubscription) *PriceStream {
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return Price(source, KLineOpenPriceMapper)
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}
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func Volumes(source KLineSubscription) *PriceStream {
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return Price(source, KLineVolumeMapper)
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}
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