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pytest: add test for HTLC ordering.

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[ Includes tidyups by Christian Decker ]

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell 2020-10-14 16:11:17 +10:30
parent d5c91a347a
commit d04597cbb6
1 changed files with 36 additions and 0 deletions
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36
tests/test_connection.py
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@ -2661,3 +2661,39 @@ def test_connection_timeout(node_factory):
with pytest.raises(RpcError, match=r'(reset by peer|peer closed connection)'):
l2.rpc.connect(l1.info['id'], 'localhost', port=l1.port)
l1.daemon.wait_for_log('conn timed out')
@unittest.skip("Broken")
@unittest.skipIf(not DEVELOPER, "needs --dev-disconnect")
def test_htlc_retransmit_order(node_factory, executor):
NUM_HTLCS = 10
l1, l2 = node_factory.line_graph(2,
opts=[{'may_reconnect': True,
'feerates': (7500, 7500, 7500, 7500),
'disconnect': ['=WIRE_UPDATE_ADD_HTLC-nocommit',
'=WIRE_UPDATE_ADD_HTLC*' + str(NUM_HTLCS - 1),
'-WIRE_COMMITMENT_SIGNED']},
{'may_reconnect': True}])
payment_hashes = [l2.rpc.invoice(1000, str(x), str(x))['payment_hash'] for x in range(NUM_HTLCS)]
routestep = {
'msatoshi': 1000,
'id': l2.info['id'],
'delay': 5,
'channel': '1x1x1' # note: can be bogus for 1-hop direct payments
}
for p in payment_hashes:
executor.submit(l1.rpc.sendpay, [routestep], p)
l1.daemon.wait_for_logs(['dev_disconnect'] * 2)
l1.rpc.call('dev-reenable-commit', [l2.info['id']])
l1.daemon.wait_for_log('dev_disconnect')
# Now reconnect.
l1.rpc.connect(l2.info['id'], 'localhost', port=l2.port)
for p in payment_hashes:
result = l1.rpc.waitsendpay(p)
assert(result['status'] == 'complete')
# If order was wrong, we'll get a LOG_BROKEN and fixtures will complain.