From 5541a5873b85e53b4041980fbbf3b2c698a8b1af Mon Sep 17 00:00:00 2001
From: Josh <josh.hundley@gmail.com>
Date: Wed, 23 Mar 2022 09:32:24 -0700
Subject: [PATCH] fix(explorer): serum init open orders has optional
 openOrdersMarketAuthority (#23875)

---
 explorer/src/components/instruction/serum/types.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/explorer/src/components/instruction/serum/types.ts b/explorer/src/components/instruction/serum/types.ts
index a2d6c41395..4e077b644d 100644
--- a/explorer/src/components/instruction/serum/types.ts
+++ b/explorer/src/components/instruction/serum/types.ts
@@ -500,7 +500,7 @@ export function decodeInitOpenOrders(
       openOrders: ix.keys[0].pubkey,
       openOrdersOwner: ix.keys[1].pubkey,
       market: ix.keys[2].pubkey,
-      openOrdersMarketAuthority: ix.keys[4].pubkey,
+      openOrdersMarketAuthority: ix.keys[4]?.pubkey,
     },
   };
 }