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merge bitcoin#29006: fix v2 transport intermittent test failure

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Kittywhiskers Van Gogh 2024-10-15 10:36:47 +00:00
parent d0804d4bf0
commit 1a293c7cc5
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2 changed files with 26 additions and 8 deletions
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16
test/functional/p2p_v2_transport.py
View File

@ -133,9 +133,8 @@ class V2TransportTest(BitcoinTestFramework):
V1_PREFIX = MAGIC_BYTES[self.chain] + b"version\x00\x00\x00\x00\x00"
assert_equal(len(V1_PREFIX), 16)
with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
num_peers = len(self.nodes[0].getpeerinfo())
s.connect(("127.0.0.1", p2p_port(0)))
self.wait_until(lambda: len(self.nodes[0].getpeerinfo()) == num_peers + 1)
with self.nodes[0].wait_for_new_peer():
s.connect(("127.0.0.1", p2p_port(0)))
s.sendall(V1_PREFIX[:-1])
assert_equal(self.nodes[0].getpeerinfo()[-1]["transport_protocol_type"], "detecting")
s.sendall(bytes([V1_PREFIX[-1]])) # send out last prefix byte
@ -144,22 +143,23 @@ class V2TransportTest(BitcoinTestFramework):
# Check wrong network prefix detection (hits if the next 12 bytes correspond to a v1 version message)
wrong_network_magic_prefix = MAGIC_BYTES["mainnet"] + V1_PREFIX[4:]
with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
s.connect(("127.0.0.1", p2p_port(0)))
with self.nodes[0].wait_for_new_peer():
s.connect(("127.0.0.1", p2p_port(0)))
with self.nodes[0].assert_debug_log(["V2 transport error: V1 peer with wrong MessageStart"]):
s.sendall(wrong_network_magic_prefix + b"somepayload")
# Check detection of missing garbage terminator (hits after fixed amount of data if terminator never matches garbage)
MAX_KEY_GARB_AND_GARBTERM_LEN = 64 + 4095 + 16
with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
num_peers = len(self.nodes[0].getpeerinfo())
s.connect(("127.0.0.1", p2p_port(0)))
self.wait_until(lambda: len(self.nodes[0].getpeerinfo()) == num_peers + 1)
with self.nodes[0].wait_for_new_peer():
s.connect(("127.0.0.1", p2p_port(0)))
s.sendall(b'\x00' * (MAX_KEY_GARB_AND_GARBTERM_LEN - 1))
self.wait_until(lambda: self.nodes[0].getpeerinfo()[-1]["bytesrecv"] == MAX_KEY_GARB_AND_GARBTERM_LEN - 1)
with self.nodes[0].assert_debug_log(["V2 transport error: missing garbage terminator"]):
peer_id = self.nodes[0].getpeerinfo()[-1]["id"]
s.sendall(b'\x00') # send out last byte
# should disconnect immediately
self.wait_until(lambda: len(self.nodes[0].getpeerinfo()) == num_peers)
self.wait_until(lambda: not peer_id in [p["id"] for p in self.nodes[0].getpeerinfo()])
if __name__ == '__main__':

18
test/functional/test_framework/test_node.py
View File

@ -490,6 +490,24 @@ class TestNode():
'Expected messages "{}" does not partially match log:\n\n{}\n\n'.format(
str(expected_msgs), print_log))
@contextlib.contextmanager
def wait_for_new_peer(self, timeout=5):
"""
Wait until the node is connected to at least one new peer. We detect this
by watching for an increased highest peer id, using the `getpeerinfo` RPC call.
Note that the simpler approach of only accounting for the number of peers
suffers from race conditions, as disconnects from unrelated previous peers
could happen anytime in-between.
"""
def get_highest_peer_id():
peer_info = self.getpeerinfo()
return peer_info[-1]["id"] if peer_info else -1
initial_peer_id = get_highest_peer_id()
yield
wait_until_helper(lambda: get_highest_peer_id() > initial_peer_id,
timeout=timeout, timeout_factor=self.timeout_factor)
@contextlib.contextmanager
def profile_with_perf(self, profile_name: str):
"""