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types: fix kline receiver type

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This commit is contained in:
c9s 2022-09-14 12:04:19 +08:00
parent d022c80727
commit 4b04beb729
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1 changed files with 30 additions and 27 deletions
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57
pkg/types/kline.go
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@ -105,37 +105,37 @@ func (k *KLine) Merge(o *KLine) {
k.Closed = o.Closed
}
func (k KLine) GetStartTime() Time {
func (k *KLine) GetStartTime() Time {
return k.StartTime
}
func (k KLine) GetEndTime() Time {
func (k *KLine) GetEndTime() Time {
return k.EndTime
}
func (k KLine) GetInterval() Interval {
func (k *KLine) GetInterval() Interval {
return k.Interval
}
func (k KLine) Mid() fixedpoint.Value {
func (k *KLine) Mid() fixedpoint.Value {
return k.High.Add(k.Low).Div(Two)
}
// green candle with open and close near high price
func (k KLine) BounceUp() bool {
func (k *KLine) BounceUp() bool {
mid := k.Mid()
trend := k.Direction()
return trend > 0 && k.Open.Compare(mid) > 0 && k.Close.Compare(mid) > 0
}
// red candle with open and close near low price
func (k KLine) BounceDown() bool {
func (k *KLine) BounceDown() bool {
mid := k.Mid()
trend := k.Direction()
return trend > 0 && k.Open.Compare(mid) < 0 && k.Close.Compare(mid) < 0
}
func (k KLine) Direction() Direction {
func (k *KLine) Direction() Direction {
o := k.GetOpen()
c := k.GetClose()
@ -147,32 +147,32 @@ func (k KLine) Direction() Direction {
return DirectionNone
}
func (k KLine) GetHigh() fixedpoint.Value {
func (k *KLine) GetHigh() fixedpoint.Value {
return k.High
}
func (k KLine) GetLow() fixedpoint.Value {
func (k *KLine) GetLow() fixedpoint.Value {
return k.Low
}
func (k KLine) GetOpen() fixedpoint.Value {
func (k *KLine) GetOpen() fixedpoint.Value {
return k.Open
}
func (k KLine) GetClose() fixedpoint.Value {
func (k *KLine) GetClose() fixedpoint.Value {
return k.Close
}
func (k KLine) GetMaxChange() fixedpoint.Value {
func (k *KLine) GetMaxChange() fixedpoint.Value {
return k.GetHigh().Sub(k.GetLow())
}
func (k KLine) GetAmplification() fixedpoint.Value {
func (k *KLine) GetAmplification() fixedpoint.Value {
return k.GetMaxChange().Div(k.GetLow())
}
// GetThickness returns the thickness of the kline. 1 => thick, 0.1 => thin
func (k KLine) GetThickness() fixedpoint.Value {
func (k *KLine) GetThickness() fixedpoint.Value {
out := k.GetChange().Div(k.GetMaxChange())
if out.Sign() < 0 {
return out.Neg()
@ -180,7 +180,7 @@ func (k KLine) GetThickness() fixedpoint.Value {
return out
}
func (k KLine) GetUpperShadowRatio() fixedpoint.Value {
func (k *KLine) GetUpperShadowRatio() fixedpoint.Value {
out := k.GetUpperShadowHeight().Div(k.GetMaxChange())
if out.Sign() < 0 {
return out.Neg()
@ -188,7 +188,7 @@ func (k KLine) GetUpperShadowRatio() fixedpoint.Value {
return out
}
func (k KLine) GetUpperShadowHeight() fixedpoint.Value {
func (k *KLine) GetUpperShadowHeight() fixedpoint.Value {
high := k.GetHigh()
open := k.GetOpen()
clos := k.GetClose()
@ -198,7 +198,7 @@ func (k KLine) GetUpperShadowHeight() fixedpoint.Value {
return high.Sub(clos)
}
func (k KLine) GetLowerShadowRatio() fixedpoint.Value {
func (k *KLine) GetLowerShadowRatio() fixedpoint.Value {
out := k.GetLowerShadowHeight().Div(k.GetMaxChange())
if out.Sign() < 0 {
return out.Neg()
@ -206,7 +206,7 @@ func (k KLine) GetLowerShadowRatio() fixedpoint.Value {
return out
}
func (k KLine) GetLowerShadowHeight() fixedpoint.Value {
func (k *KLine) GetLowerShadowHeight() fixedpoint.Value {
low := k.Low
if k.Open.Compare(k.Close) < 0 { // uptrend
return k.Open.Sub(low)
@ -217,16 +217,16 @@ func (k KLine) GetLowerShadowHeight() fixedpoint.Value {
}
// GetBody returns the height of the candle real body
func (k KLine) GetBody() fixedpoint.Value {
func (k *KLine) GetBody() fixedpoint.Value {
return k.GetChange()
}
// GetChange returns Close price - Open price.
func (k KLine) GetChange() fixedpoint.Value {
func (k *KLine) GetChange() fixedpoint.Value {
return k.Close.Sub(k.Open)
}
func (k KLine) Color() string {
func (k *KLine) Color() string {
if k.Direction() > 0 {
return style.GreenColor
} else if k.Direction() < 0 {
@ -235,18 +235,18 @@ func (k KLine) Color() string {
return style.GrayColor
}
func (k KLine) String() string {
func (k *KLine) String() string {
return fmt.Sprintf("%s %s %s %s O: %.4f H: %.4f L: %.4f C: %.4f CHG: %.4f MAXCHG: %.4f V: %.4f QV: %.2f TBBV: %.2f",
k.Exchange.String(),
k.StartTime.Time().Format("2006-01-02 15:04"),
k.Symbol, k.Interval, k.Open.Float64(), k.High.Float64(), k.Low.Float64(), k.Close.Float64(), k.GetChange().Float64(), k.GetMaxChange().Float64(), k.Volume.Float64(), k.QuoteVolume.Float64(), k.TakerBuyBaseAssetVolume.Float64())
}
func (k KLine) PlainText() string {
func (k *KLine) PlainText() string {
return k.String()
}
func (k KLine) SlackAttachment() slack.Attachment {
func (k *KLine) SlackAttachment() slack.Attachment {
return slack.Attachment{
Text: fmt.Sprintf("*%s* KLine %s", k.Symbol, k.Interval),
Color: k.Color(),
@ -312,7 +312,8 @@ func (k KLineWindow) GetInterval() Interval {
}
func (k KLineWindow) GetOpen() fixedpoint.Value {
return k.First().GetOpen()
first := k.First()
return first.GetOpen()
}
func (k KLineWindow) GetClose() fixedpoint.Value {
@ -321,7 +322,8 @@ func (k KLineWindow) GetClose() fixedpoint.Value {
}
func (k KLineWindow) GetHigh() fixedpoint.Value {
high := k.First().GetHigh()
first := k.First()
high := first.GetHigh()
for _, line := range k {
high = fixedpoint.Max(high, line.GetHigh())
}
@ -330,7 +332,8 @@ func (k KLineWindow) GetHigh() fixedpoint.Value {
}
func (k KLineWindow) GetLow() fixedpoint.Value {
low := k.First().GetLow()
first := k.First()
low := first.GetLow()
for _, line := range k {
low = fixedpoint.Min(low, line.GetLow())
}