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test: make p2p_handshake robust against timeoffset warnings

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The test requires that limited nodes are not peered with  when
the node's system time exceeds ~ 24h of the node's chaintip
timestamp, as per PeerManagerImpl::GetDesirableServiceFlags.

By patching this test to modify the timestamp of the chaintip as
opposed to mocking the node's system time, we make it resilient
to future commits where the node raises a warning if it detects
its system time is too much out of sync with its outbound peers.

See https://github.com/bitcoin/bitcoin/pull/29623
This commit is contained in:
stickies-v 2024-03-22 14:20:39 +00:00
parent 71b63195b3
commit 032a597482
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1 changed files with 7 additions and 2 deletions
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9
test/functional/p2p_handshake.py
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@ -62,6 +62,11 @@ class P2PHandshakeTest(BitcoinTestFramework):
assert (services & desirable_service_flags) == desirable_service_flags
self.add_outbound_connection(node, conn_type, services, wait_for_disconnect=False)
def generate_at_mocktime(self, time):
self.nodes[0].setmocktime(time)
self.generate(self.nodes[0], 1)
self.nodes[0].setmocktime(0)
def run_test(self):
node = self.nodes[0]
self.log.info("Check that lacking desired service flags leads to disconnect (non-pruned peers)")
@ -71,10 +76,10 @@ class P2PHandshakeTest(BitcoinTestFramework):
DESIRABLE_SERVICE_FLAGS_FULL, expect_disconnect=False)
self.log.info("Check that limited peers are only desired if the local chain is close to the tip (<24h)")
node.setmocktime(int(time.time()) + 25 * 3600) # tip outside the 24h window, should fail
self.generate_at_mocktime(int(time.time()) - 25 * 3600) # tip outside the 24h window, should fail
self.test_desirable_service_flags(node, [NODE_NETWORK_LIMITED | NODE_WITNESS],
DESIRABLE_SERVICE_FLAGS_FULL, expect_disconnect=True)
node.setmocktime(int(time.time()) + 23 * 3600) # tip inside the 24h window, should succeed
self.generate_at_mocktime(int(time.time()) - 23 * 3600) # tip inside the 24h window, should succeed
self.test_desirable_service_flags(node, [NODE_NETWORK_LIMITED | NODE_WITNESS],
DESIRABLE_SERVICE_FLAGS_PRUNED, expect_disconnect=False)