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implement distruction api

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This commit is contained in:
c9s 2020-08-11 09:54:02 +08:00
parent 891bf50101
commit 54a5e41c4f
1 changed files with 24 additions and 0 deletions
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24
bbgo/stock.go
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@ -57,6 +57,30 @@ type StockManager struct {
PendingSells StockSlice
}
type Distribution struct {
Quantities map[int]float64 `json:"quantities"`
Stocks map[int]StockSlice `json:"stocks"`
}
func (m *StockManager) Distribution(level int) *Distribution {
var d = Distribution{
Quantities: map[int]float64{},
Stocks: map[int]StockSlice{},
}
for _, stock := range m.Stocks {
n := math.Ceil(math.Log10(stock.Price))
digits := int(n - math.Max(float64(level), 1.0))
div := math.Pow10(digits)
priceLevel := int(math.Floor(stock.Price / div) * div)
d.Stocks[priceLevel] = append(d.Stocks[priceLevel], stock)
d.Quantities[priceLevel] += stock.Quantity
}
return &d
}
func (m *StockManager) stock(stock Stock) error {
m.mu.Lock()
m.Stocks = append(m.Stocks, stock)