bbgo/pkg/testing/testhelper/pricevolumeslice.go

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2024-09-09 06:41:27 +00:00
package testhelper
import (
"fmt"
"strings"
"github.com/c9s/bbgo/pkg/fixedpoint"
"github.com/c9s/bbgo/pkg/types"
)
func PriceVolumeSliceFromText(str string) (slice types.PriceVolumeSlice) {
lines := strings.Split(str, "\n")
for _, line := range lines {
line = strings.TrimSpace(line)
if len(line) == 0 {
continue
}
cols := strings.SplitN(line, ",", 2)
if len(cols) < 2 {
panic(fmt.Errorf("column length should be 2, got %d", len(cols)))
}
price := fixedpoint.MustNewFromString(strings.TrimSpace(cols[0]))
volume := fixedpoint.MustNewFromString(strings.TrimSpace(cols[1]))
slice = append(slice, types.PriceVolume{
Price: price,
Volume: volume,
})
}
return slice
}
func PriceVolumeSlice(values ...fixedpoint.Value) (slice types.PriceVolumeSlice) {
if len(values)%2 != 0 {
panic("values should be paired")
}
for i := 0; i < len(values); i += 2 {
slice = append(slice, types.PriceVolume{
Price: values[i],
Volume: values[i+1],
})
}
return slice
}