From a8f8c3bfbe0d88e2229e67a29e9d2b489b93ff62 Mon Sep 17 00:00:00 2001
From: Trent Nelson <trent@solana.com>
Date: Sat, 2 Nov 2019 10:40:14 -0600
Subject: [PATCH] unwrap_or_else

---
 runtime/src/bank.rs | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/runtime/src/bank.rs b/runtime/src/bank.rs
index 318017e2bb..897a40a6ea 100644
--- a/runtime/src/bank.rs
+++ b/runtime/src/bank.rs
@@ -546,8 +546,7 @@ impl Bank {
         let id = sysvar::recent_blockhashes::id();
         let mut account = self
             .get_account(&id)
-            .or_else(|| Some(sysvar::recent_blockhashes::create_account(1)))
-            .unwrap();
+            .unwrap_or_else(|| sysvar::recent_blockhashes::create_account(1));
         sysvar::recent_blockhashes::update_account(&mut account, recent_blockhashes).unwrap();
         self.store_account(&id, &account);
     }