From 5832b69902e6c86478dcc494e7d63b8e9ac5c180 Mon Sep 17 00:00:00 2001
From: tjs <tjshipe@gmail.com>
Date: Wed, 31 Aug 2022 11:10:34 -0400
Subject: [PATCH] only set amountIn when swapping if amountOut is gt 0

---
 components/swap/SwapForm.tsx | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/components/swap/SwapForm.tsx b/components/swap/SwapForm.tsx
index 4a3c9b28..40c2a6c1 100644
--- a/components/swap/SwapForm.tsx
+++ b/components/swap/SwapForm.tsx
@@ -120,7 +120,9 @@ const SwapForm = () => {
   )
 
   const handleSwitchTokens = useCallback(() => {
-    setAmountInFormValue(amountOut.toString())
+    if (amountIn?.gt(0)) {
+      setAmountInFormValue(amountOut.toString())
+    }
     const inputBank = mangoStore.getState().swap.inputBank
     const outputBank = mangoStore.getState().swap.outputBank
     set((s) => {