diff options
Diffstat (limited to 'test/functional/test_framework/test_node.py')
| -rwxr-xr-x | test/functional/test_framework/test_node.py | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/test/functional/test_framework/test_node.py b/test/functional/test_framework/test_node.py index c7559ac7c8..8260c917fe 100755 --- a/test/functional/test_framework/test_node.py +++ b/test/functional/test_framework/test_node.py @@ -468,7 +468,19 @@ class TestNode(): p2p_conn.peer_connect(**kwargs, net=self.chain)() self.p2ps.append(p2p_conn) if wait_for_verack: + # Wait for the node to send us the version and verack p2p_conn.wait_for_verack() + # At this point we have sent our version message and received the version and verack, however the full node + # has not yet received the verack from us (in reply to their version). So, the connection is not yet fully + # established (fSuccessfullyConnected). + # + # This shouldn't lead to any issues when sending messages, since the verack will be in-flight before the + # message we send. However, it might lead to races where we are expecting to receive a message. E.g. a + # transaction that will be added to the mempool as soon as we return here. + # + # So syncing here is redundant when we only want to send a message, but the cost is low (a few milliseconds) + # in comparision to the upside of making tests less fragile and unexpected intermittent errors less likely. + p2p_conn.sync_with_ping() return p2p_conn @@ -487,6 +499,7 @@ class TestNode(): p.peer_disconnect() del self.p2ps[:] + class TestNodeCLIAttr: def __init__(self, cli, command): self.cli = cli @@ -498,6 +511,7 @@ class TestNodeCLIAttr: def get_request(self, *args, **kwargs): return lambda: self(*args, **kwargs) + def arg_to_cli(arg): if isinstance(arg, bool): return str(arg).lower() @@ -506,6 +520,7 @@ def arg_to_cli(arg): else: return str(arg) + class TestNodeCLI(): """Interface to bitcoin-cli for an individual node""" |