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tests: test that successive closes do update parameters (particularly feerate!).

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Noted by @t-bast, this is how it should work, and this tests that it does.

See also: #4777
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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Rusty Russell 2021-09-13 23:26:09 +09:30 committed by Christian Decker
parent f4f6e451b1
commit f6a7a3f8a8
1 changed files with 20 additions and 0 deletions
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tests/test_closing.py
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@ -3334,3 +3334,23 @@ def test_close_feerate_range(node_factory, bitcoind, chainparams):
overlap = [max(l1_range[0], l2_range[0]), min(l1_range[1], l2_range[1])]
l1.daemon.wait_for_log('performing quickclose in range {}sat-{}sat'.format(overlap[0], overlap[1]))
def test_close_twice(node_factory, executor):
# First feerate is too low, second fixes it.
l1, l2 = node_factory.line_graph(2, opts=[{'allow_warning': True,
'may_reconnect': True},
{'allow_warning': True,
'may_reconnect': True,
'feerates': (15000, 15000, 15000, 15000)}])
# This makes it disconnect, since feerate is too low.
fut = executor.submit(l1.rpc.close, l2.info['id'], feerange=['253perkw', '500perkw'])
l1.daemon.wait_for_log('WARNING.*Unable to agree on a feerate')
fut2 = executor.submit(l1.rpc.close, l2.info['id'], feerange=['253perkw', '15000perkw'])
# Now reconnect, it should work.
l1.rpc.connect(l2.info['id'], 'localhost', l2.port)
assert fut.result(TIMEOUT)['type'] == 'mutual'
assert fut2.result(TIMEOUT)['type'] == 'mutual'