scmaker: fix negative op

c9s · Jun 14, 2023 · 6270eef · 6270eef
1 parent ce40151
commit 6270eef
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/pkg/strategy/scmaker/strategy.go b/pkg/strategy/scmaker/strategy.go
@@ -195,7 +195,7 @@ func (s *Strategy) placeAdjustmentOrders(ctx context.Context) {
 	tickSize := s.Market.TickSize
 
 	if s.Position.IsShort() {
-		price := profitProtectedPrice(types.SideTypeBuy, s.Position.AverageCost, ticker.Sell.Add(-tickSize), s.session.MakerFeeRate, s.MinProfit)
+		price := profitProtectedPrice(types.SideTypeBuy, s.Position.AverageCost, ticker.Sell.Add(tickSize.Neg()), s.session.MakerFeeRate, s.MinProfit)
 		quoteQuantity := fixedpoint.Min(price.Mul(posSize), quoteBal.Available)
 		bidQuantity := quoteQuantity.Div(price)
 
@@ -286,7 +286,7 @@ func (s *Strategy) placeLiquidityOrders(ctx context.Context) {
 
 		if i == s.NumOfLiquidityLayers {
 			bwf := fixedpoint.NewFromFloat(bandWidth)
-			bidPrice = midPrice.Add(-bwf)
+			bidPrice = midPrice.Add(bwf.Neg())
 			askPrice = midPrice.Add(bwf)
 		} else if i > 0 {
 			bidPrice = midPrice.Sub(tickSize.Mul(fi))