79b4c276e7b9b526fa8f563b1e09b2b970baece6 Bugfix: QA: rpc_bind: Skip nonloopback test if no such address is found (Luke Dashjr)
Pull request description:
Without this, I get:
```
2025-09-19T03:14:05.157000Z TestFramework (INFO): PRNG seed is: 3218602557639511064
2025-09-19T03:14:05.158000Z TestFramework (INFO): Initializing test directory /tmp/bitcoin-test/a
2025-09-19T03:14:05.158000Z TestFramework (INFO): Check for ipv6
2025-09-19T03:14:05.158000Z TestFramework (INFO): Check for non-loopback interface
2025-09-19T03:14:05.158000Z TestFramework (INFO): Bind test for []
2025-09-19T03:14:05.516000Z TestFramework (INFO): Bind test for []
2025-09-19T03:14:05.871000Z TestFramework (INFO): Bind test for ['[::1]']
2025-09-19T03:14:06.227000Z TestFramework (INFO): Bind test for ['127.0.0.1', '[::1]']
2025-09-19T03:14:06.583000Z TestFramework (INFO): Using interface None for testing
2025-09-19T03:14:06.583000Z TestFramework (INFO): Bind test for [None]
2025-09-19T03:14:06.583000Z TestFramework (ERROR): Unexpected exception
Traceback (most recent call last):
File "/Bitcoin/bitcoin/workingtree/test/functional/test_framework/test_framework.py", line 135, in main
self.run_test()
~~~~~~~~~~~~~^^
File "/Bitcoin/bitcoin/workingtree/test/functional/rpc_bind.py", line 126, in run_test
self._run_nonloopback_tests()
~~~~~~~~~~~~~~~~~~~~~~~~~~~^^
File "/Bitcoin/bitcoin/workingtree/test/functional/rpc_bind.py", line 157, in _run_nonloopback_tests
self.run_bind_test([self.non_loopback_ip], self.non_loopback_ip, [self.non_loopback_ip],
~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[(self.non_loopback_ip, self.defaultport)])
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/Bitcoin/bitcoin/workingtree/test/functional/rpc_bind.py", line 38, in run_bind_test
expected = [(addr_to_hex(addr), port) for (addr, port) in expected]
~~~~~~~~~~~^^^^^^
File "/Bitcoin/bitcoin/workingtree/test/functional/test_framework/netutil.py", line 132, in addr_to_hex
if '.' in addr: # IPv4
^^^^^^^^^^^
TypeError: argument of type 'NoneType' is not iterable
```
ACKs for top commit:
maflcko:
review ACK 79b4c276e7b9b526fa8f563b1e09b2b970baece6 🏑
theStack:
Tested ACK 79b4c276e7b9b526fa8f563b1e09b2b970baece6
Tree-SHA512: 2a723d9bc5d1d50a8321a4f8a8cac3da3125d373ea71e6cc9d03de07307008f58970e361490d4c34530a6a976cb078b62d0ef09b7fb321ca1cfb9249a70d99a5
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