indicator

Documentation

Index

• func CalculateKLinesEMA(allKLines []types.KLine, priceF KLinePriceMapper, window int) float64
• func KLineClosePriceMapper(k types.KLine) float64
• func KLineOpenPriceMapper(k types.KLine) float64
• func MapKLinePrice(kLines []types.KLine, f KLinePriceMapper) (prices []float64)
• type BOLL
  • func (inc *BOLL) Bind(updater KLineWindowUpdater)
  • func (inc *BOLL) EmitUpdate(sma float64, upBand float64, downBand float64)
  • func (inc *BOLL) LastDownBand() float64
  • func (inc *BOLL) LastSMA() float64
  • func (inc *BOLL) LastStdDev() float64
  • func (inc *BOLL) LastUpBand() float64
  • func (inc *BOLL) OnUpdate(cb func(sma float64, upBand float64, downBand float64))
• type EWMA
  • func (inc *EWMA) Bind(updater KLineWindowUpdater)
  • func (inc *EWMA) EmitUpdate(value float64)
  • func (inc *EWMA) Last() float64
  • func (inc *EWMA) OnUpdate(cb func(value float64))
• type Float64Slice
  • func (s *Float64Slice) Push(v float64)
• type KLinePriceMapper
• type KLineWindowUpdater
• type SMA
  • func (inc *SMA) Bind(updater KLineWindowUpdater)
  • func (inc *SMA) EmitUpdate(value float64)
  • func (inc *SMA) Last() float64
  • func (inc *SMA) OnUpdate(cb func(value float64))

Functions

func CalculateKLinesEMA

func CalculateKLinesEMA(allKLines []types.KLine, priceF KLinePriceMapper, window int) float64

func KLineClosePriceMapper

func KLineClosePriceMapper(k types.KLine) float64

func KLineOpenPriceMapper

func KLineOpenPriceMapper(k types.KLine) float64

func MapKLinePrice

func MapKLinePrice(kLines []types.KLine, f KLinePriceMapper) (prices []float64)

Types

type BOLL

type BOLL struct {
	types.IntervalWindow

	// times of Std, generally it's 2
	K float64

	SMA      Float64Slice
	StdDev   Float64Slice
	UpBand   Float64Slice
	DownBand Float64Slice

	EndTime time.Time
	// contains filtered or unexported fields
}

func (*BOLL) Bind

func (inc *BOLL) Bind(updater KLineWindowUpdater)

func (*BOLL) EmitUpdate

func (inc *BOLL) EmitUpdate(sma float64, upBand float64, downBand float64)

func (*BOLL) LastDownBand

func (inc *BOLL) LastDownBand() float64

func (*BOLL) LastSMA

func (inc *BOLL) LastSMA() float64

func (*BOLL) LastStdDev

func (inc *BOLL) LastStdDev() float64

func (*BOLL) LastUpBand

func (inc *BOLL) LastUpBand() float64

func (*BOLL) OnUpdate

func (inc *BOLL) OnUpdate(cb func(sma float64, upBand float64, downBand float64))

type EWMA

type EWMA struct {
	types.IntervalWindow
	Values       Float64Slice
	LastOpenTime time.Time

	UpdateCallbacks []func(value float64)
}

func (*EWMA) Bind

func (inc *EWMA) Bind(updater KLineWindowUpdater)

func (*EWMA) EmitUpdate

func (inc *EWMA) EmitUpdate(value float64)

func (*EWMA) Last

func (inc *EWMA) Last() float64

func (*EWMA) OnUpdate

func (inc *EWMA) OnUpdate(cb func(value float64))

type Float64Slice

type Float64Slice []float64

func (*Float64Slice) Push

func (s *Float64Slice) Push(v float64)

type KLinePriceMapper

type KLinePriceMapper func(k types.KLine) float64

type KLineWindowUpdater

type KLineWindowUpdater interface {
	OnKLineWindowUpdate(func(interval types.Interval, window types.KLineWindow))
}

type SMA

type SMA struct {
	types.IntervalWindow
	Values  Float64Slice
	EndTime time.Time

	UpdateCallbacks []func(value float64)
}

func (*SMA) Bind

func (inc *SMA) Bind(updater KLineWindowUpdater)

func (*SMA) EmitUpdate

func (inc *SMA) EmitUpdate(value float64)

func (*SMA) Last

func (inc *SMA) Last() float64

func (*SMA) OnUpdate

func (inc *SMA) OnUpdate(cb func(value float64))