From a9db21adfa25518a39d4af01724391a6a672b9da Mon Sep 17 00:00:00 2001
From: c9s <yoanlin93@gmail.com>
Date: Mon, 22 Apr 2024 14:42:52 +0800
Subject: [PATCH] limit adjustment order quantity

---
 pkg/strategy/liquiditymaker/strategy.go | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/pkg/strategy/liquiditymaker/strategy.go b/pkg/strategy/liquiditymaker/strategy.go
index 187082d79..951189595 100644
--- a/pkg/strategy/liquiditymaker/strategy.go
+++ b/pkg/strategy/liquiditymaker/strategy.go
@@ -41,7 +41,8 @@ type Strategy struct {
 
 	LiquidityUpdateInterval types.Interval `json:"liquidityUpdateInterval"`
 
-	AdjustmentUpdateInterval types.Interval `json:"adjustmentUpdateInterval"`
+	AdjustmentUpdateInterval   types.Interval   `json:"adjustmentUpdateInterval"`
+	MaxAdjustmentOrderQuantity fixedpoint.Value `json:"maxAdjustmentOrderQuantity"`
 
 	NumOfLiquidityLayers int              `json:"numOfLiquidityLayers"`
 	LiquiditySlideRule   *bbgo.SlideRule  `json:"liquidityScale"`
@@ -171,6 +172,11 @@ func (s *Strategy) placeAdjustmentOrders(ctx context.Context) {
 	var adjOrders []types.SubmitOrder
 
 	posSize := s.Position.Base.Abs()
+
+	if !s.MaxAdjustmentOrderQuantity.IsZero() {
+		posSize = fixedpoint.Min(posSize, s.MaxAdjustmentOrderQuantity)
+	}
+
 	tickSize := s.Market.TickSize
 
 	if s.Position.IsShort() {