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-rwxr-xr-xtest/functional/test_framework/test_node.py6
1 files changed, 6 insertions, 0 deletions
diff --git a/test/functional/test_framework/test_node.py b/test/functional/test_framework/test_node.py
index 24f48d5535..5bc1409ba2 100755
--- a/test/functional/test_framework/test_node.py
+++ b/test/functional/test_framework/test_node.py
@@ -26,6 +26,7 @@ from .descriptors import descsum_create
from .p2p import P2P_SUBVERSION
from .util import (
MAX_NODES,
+ assert_equal,
append_config,
delete_cookie_file,
get_auth_cookie,
@@ -545,6 +546,11 @@ class TestNode():
# in comparison to the upside of making tests less fragile and unexpected intermittent errors less likely.
p2p_conn.sync_with_ping()
+ # Consistency check that the Bitcoin Core has received our user agent string. This checks the
+ # node's newest peer. It could be racy if another Bitcoin Core node has connected since we opened
+ # our connection, but we don't expect that to happen.
+ assert_equal(self.getpeerinfo()[-1]['subver'], P2P_SUBVERSION)
+
return p2p_conn
def add_outbound_p2p_connection(self, p2p_conn, *, p2p_idx, connection_type="outbound-full-relay", **kwargs):