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pytest: reproduce problem with restarting and retransmitting multiple outgoing htlcs

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Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell
2018-09-04 14:48:55 +09:30
committed by Christian Decker
parent 97c7ba2f80
commit db12a1452f
1 changed files with 28 additions and 0 deletions
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28
tests/test_connection.py
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@@ -1295,3 +1295,31 @@ def test_dataloss_protection(node_factory, bitcoind):
# l2 should have it in wallet.
assert (closetxid, "confirmed") in set([(o['txid'], o['status']) for o in l2.rpc.listfunds()['outputs']])
@pytest.mark.xfail(strict=True)
@unittest.skipIf(not DEVELOPER, "needs dev_disconnect")
def test_restart_multi_htlc_rexmit(node_factory, bitcoind, executor):
# l1 disables commit timer once we send first htlc, dies on commit
disconnects = ['=WIRE_UPDATE_ADD_HTLC-nocommit',
'-WIRE_COMMITMENT_SIGNED']
l1, l2 = node_factory.line_graph(2, opts=[{'disconnect': disconnects,
'may_reconnect': True},
{'may_reconnect': True}])
executor.submit(l1.pay, l2, 20000)
executor.submit(l1.pay, l2, 30000)
l1.daemon.wait_for_logs(['peer_out WIRE_UPDATE_ADD_HTLC'] * 2)
l1.rpc.dev_reenable_commit(l2.info['id'])
l1.daemon.wait_for_log('dev_disconnect: -WIRE_COMMITMENT_SIGNED')
# This will make it reconnect
l1.stop()
# Clear the disconnect so we can proceed normally
del l1.daemon.opts['dev-disconnect']
l1.start()
# Payments will fail due to restart, but we can see results in listpayments.
print(l1.rpc.listpayments())
wait_for(lambda: [p['status'] for p in l1.rpc.listpayments()['payments']] == ['complete', 'complete'])