From 5c2274c55c3daef87daef2fc9479f65c4899dc4b Mon Sep 17 00:00:00 2001
From: c9s <yoan@maicoin.com>
Date: Sat, 23 Apr 2022 15:23:43 +0800
Subject: [PATCH] put sign check back

---
 pkg/strategy/autoborrow/strategy.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkg/strategy/autoborrow/strategy.go b/pkg/strategy/autoborrow/strategy.go
index 5e6ef246c..aace69b5e 100644
--- a/pkg/strategy/autoborrow/strategy.go
+++ b/pkg/strategy/autoborrow/strategy.go
@@ -102,6 +102,10 @@ func (s *Strategy) checkAndBorrow(ctx context.Context) {
 				// check if we over borrow
 				if toBorrow.Add(b.Borrowed).Compare(marginAsset.MaxTotalBorrow) > 0 {
 					toBorrow = toBorrow.Sub( toBorrow.Add(b.Borrowed).Sub(marginAsset.MaxTotalBorrow) )
+					if toBorrow.Sign() < 0 {
+						log.Warnf("margin asset %s is over borrowed, skip", marginAsset.Asset)
+						continue
+					}
 				}
 				toBorrow = fixedpoint.Min(toBorrow.Add(b.Borrowed), marginAsset.MaxTotalBorrow)
 			}