mirror of
https://github.com/c9s/bbgo.git
synced 2024-09-20 08:11:08 +00:00
34 lines
734 B
Go
34 lines
734 B
Go
package indicator
|
|
|
|
import "github.com/c9s/bbgo/pkg/types"
|
|
|
|
type KLinePriceMapper func(k types.KLine) float64
|
|
|
|
func KLineOpenPriceMapper(k types.KLine) float64 {
|
|
return k.Open.Float64()
|
|
}
|
|
|
|
func KLineClosePriceMapper(k types.KLine) float64 {
|
|
return k.Close.Float64()
|
|
}
|
|
|
|
func KLineTypicalPriceMapper(k types.KLine) float64 {
|
|
return (k.High.Float64() + k.Low.Float64() + k.Close.Float64()) / 3.
|
|
}
|
|
|
|
func KLinePriceVolumeMapper(k types.KLine) float64 {
|
|
return k.Close.Mul(k.Volume).Float64()
|
|
}
|
|
|
|
func KLineVolumeMapper(k types.KLine) float64 {
|
|
return k.Volume.Float64()
|
|
}
|
|
|
|
func MapKLinePrice(kLines []types.KLine, f KLinePriceMapper) (prices []float64) {
|
|
for _, k := range kLines {
|
|
prices = append(prices, f(k))
|
|
}
|
|
|
|
return prices
|
|
}
|