From 4ce6f9a0d5585b73cfb026cf98ecac320598a7ff Mon Sep 17 00:00:00 2001
From: Evan Pipta <evan.pipta@priceline.com>
Date: Wed, 28 Jul 2021 17:58:35 -0400
Subject: [PATCH] Fix "property x of undefined" error

---
 src/hooks/Serum/useSettleFunds.tsx | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/hooks/Serum/useSettleFunds.tsx b/src/hooks/Serum/useSettleFunds.tsx
index aa533d3c..458436f9 100644
--- a/src/hooks/Serum/useSettleFunds.tsx
+++ b/src/hooks/Serum/useSettleFunds.tsx
@@ -30,8 +30,10 @@ export const useSettleFunds = (
     useOwnedTokenAccounts()
   const openOrders = useSerumOpenOrderAccounts(serumMarketAddress, true)
   const serumMarket = serumMarkets[serumMarketAddress]?.serumMarket
-  const baseMintAddress = serumMarket.baseMintAddress.toString()
-  const quoteMintAddress = serumMarket.quoteMintAddress.toString()
+  const baseMintAddress =
+    serumMarket?.baseMintAddress && serumMarket.baseMintAddress.toString()
+  const quoteMintAddress =
+    serumMarket?.quoteMintAddress && serumMarket.quoteMintAddress.toString()
   const baseTokenAccounts = ownedTokenAccounts[baseMintAddress] ?? []
   const quoteTokenAccounts = ownedTokenAccounts[quoteMintAddress] ?? []
   const { pubKey: baseTokenAccountKey } = getHighestAccount(baseTokenAccounts)
@@ -52,7 +54,7 @@ export const useSettleFunds = (
           await createAssociatedTokenAccountInstruction({
             payer: pubKey,
             owner: pubKey,
-            mintPublicKey: serumMarket.baseMintAddress,
+            mintPublicKey: serumMarket?.baseMintAddress,
           })
 
         transaction.add(createOptAccountTx)