From 7f1e876be08e51950c06c0456c152f6de47e31a9 Mon Sep 17 00:00:00 2001
From: c9s <yoanlin93@gmail.com>
Date: Mon, 18 Mar 2024 12:47:48 +0800
Subject: [PATCH] xalign: check if the quote balance will be used up and below
 the expected balance line

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

diff --git a/pkg/strategy/xalign/strategy.go b/pkg/strategy/xalign/strategy.go
index 00fa4dbf4..9c5429833 100644
--- a/pkg/strategy/xalign/strategy.go
+++ b/pkg/strategy/xalign/strategy.go
@@ -196,6 +196,14 @@ func (s *Strategy) selectSessionForCurrency(
 					continue
 				}
 
+				if expectedQuoteBalance, ok := s.ExpectedBalances[quoteCurrency]; ok {
+					rest := quoteBalance.Total().Sub(requiredQuoteAmount)
+					if rest.Compare(expectedQuoteBalance) < 0 {
+						log.Warnf("required quote amount %f will use up the expected balance %f, skip", requiredQuoteAmount.Float64(), expectedQuoteBalance.Float64())
+						continue
+					}
+				}
+
 				maxAmount, ok := s.MaxAmounts[market.QuoteCurrency]
 				if ok {
 					requiredQuoteAmount = bbgo.AdjustQuantityByMaxAmount(requiredQuoteAmount, price, maxAmount)