From 1f223ebed7a931dcd3ac30050c508987c2b4b3fc Mon Sep 17 00:00:00 2001
From: Larry Ruane <larryruane@gmail.com>
Date: Tue, 28 Dec 2021 22:10:13 -0700
Subject: [PATCH] assert that the return value of submitblock is None

---
 qa/rpc-tests/getblocktemplate.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/qa/rpc-tests/getblocktemplate.py b/qa/rpc-tests/getblocktemplate.py
index fff462961..324e4e431 100755
--- a/qa/rpc-tests/getblocktemplate.py
+++ b/qa/rpc-tests/getblocktemplate.py
@@ -98,7 +98,8 @@ class GetBlockTemplateTest(BitcoinTestFramework):
         block = codecs.encode(block, 'hex_codec')
 
         print("Submitting block")
-        node.submitblock(block)
+        submitblock_reply = node.submitblock(block)
+        assert_equal(None, submitblock_reply)
 
 
 if __name__ == '__main__':