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df-rbf: test for interrupts during tx construction

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niftynei 2021-02-10 17:46:26 -06:00 committed by Rusty Russell
parent e0a2d47903
commit c1fcc1c819
1 changed files with 68 additions and 0 deletions
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68
tests/test_opening.py
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@ -194,3 +194,71 @@ def test_rbf_reconnect_ack(node_factory, bitcoind, chainparams):
# This should succeed
l1.rpc.connect(l2.info['id'], 'localhost', l2.port)
l1.rpc.openchannel_bump(chan_id, chan_amount, initpsbt['psbt'])
@unittest.skipIf(TEST_NETWORK != 'regtest', 'elementsd doesnt yet support PSBT features we need')
@unittest.skipIf(not EXPERIMENTAL_FEATURES, "dual-funding is experimental only")
def test_rbf_reconnect_tx_construct(node_factory, bitcoind, chainparams):
disconnects = ['=WIRE_TX_ADD_INPUT', # Initial funding succeeds
'-WIRE_TX_ADD_INPUT',
'@WIRE_TX_ADD_INPUT',
'+WIRE_TX_ADD_INPUT',
'-WIRE_TX_ADD_OUTPUT',
'@WIRE_TX_ADD_OUTPUT',
'+WIRE_TX_ADD_OUTPUT',
'-WIRE_TX_COMPLETE',
'@WIRE_TX_COMPLETE',
'+WIRE_TX_COMPLETE']
l1, l2 = node_factory.get_nodes(2,
opts=[{'dev-force-features': '+223',
'disconnect': disconnects,
'may_reconnect': True},
{'dev-force-features': '+223',
'may_reconnect': True}])
l1.rpc.connect(l2.info['id'], 'localhost', l2.port)
amount = 2**24
chan_amount = 100000
bitcoind.rpc.sendtoaddress(l1.rpc.newaddr()['bech32'], amount / 10**8 + 0.01)
bitcoind.generate_block(1)
# Wait for it to arrive.
wait_for(lambda: len(l1.rpc.listfunds()['outputs']) > 0)
res = l1.rpc.fundchannel(l2.info['id'], chan_amount)
chan_id = res['channel_id']
vins = bitcoind.rpc.decoderawtransaction(res['tx'])['vin']
assert(only_one(vins))
prev_utxos = ["{}:{}".format(vins[0]['txid'], vins[0]['vout'])]
# Check that we're waiting for lockin
l1.daemon.wait_for_log(' to DUALOPEND_AWAITING_LOCKIN')
next_feerate = find_next_feerate(l1, l2)
# Initiate an RBF
startweight = 42 + 172 # base weight, funding output
initpsbt = l1.rpc.utxopsbt(chan_amount, next_feerate, startweight,
prev_utxos, reservedok=True,
min_witness_weight=110,
excess_as_change=True)
# Run through TX_ADD wires
for d in disconnects[1:-3]:
l1.rpc.connect(l2.info['id'], 'localhost', l2.port)
with pytest.raises(RpcError):
l1.rpc.openchannel_bump(chan_id, chan_amount, initpsbt['psbt'])
assert l1.rpc.getpeer(l2.info['id']) is not None
# Now we finish off the completes failure check
for d in disconnects[-3:]:
l1.rpc.connect(l2.info['id'], 'localhost', l2.port)
bump = l1.rpc.openchannel_bump(chan_id, chan_amount, initpsbt['psbt'])
with pytest.raises(RpcError):
update = l1.rpc.openchannel_update(chan_id, bump['psbt'])
# Now we succeed
l1.rpc.connect(l2.info['id'], 'localhost', l2.port)
bump = l1.rpc.openchannel_bump(chan_id, chan_amount, initpsbt['psbt'])
update = l1.rpc.openchannel_update(chan_id, bump['psbt'])
assert update['commitments_secured']