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tests: check that we don't re-up the leased funds when we RBF

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Check that the peer won't put funds into a RBF'd channel lease.

FIXME: allow leases to pass through to RBFs

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niftynei 2021-08-05 12:32:58 -05:00 • committed by Rusty Russell
parent a9de23f993
commit f719343b4e
1 changed files with 79 additions and 0 deletions
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79
tests/test_opening.py
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@ -334,6 +334,85 @@ def test_v2_rbf_single(node_factory, bitcoind, chainparams):
l1.daemon.wait_for_log('sendrawtx exit 0')
@unittest.skipIf(TEST_NETWORK != 'regtest', 'elementsd doesnt yet support PSBT features we need')
@pytest.mark.openchannel('v2')
def test_v2_rbf_liquidity_ad(node_factory, bitcoind, chainparams):
opts = {'funder-policy': 'match', 'funder-policy-mod': 100,
'lease-fee-base-msat': '100sat', 'lease-fee-basis': 100,
'may_reconnect': True}
l1, l2 = node_factory.get_nodes(2, opts=opts)
# what happens when we RBF?
feerate = 2000
amount = 500000
l1.fundwallet(20000000)
l2.fundwallet(20000000)
# l1 leases a channel from l2
l1.rpc.connect(l2.info['id'], 'localhost', l2.port)
rates = l1.rpc.dev_queryrates(l2.info['id'], amount, amount)
l1.daemon.wait_for_log('disconnect')
l1.rpc.connect(l2.info['id'], 'localhost', l2.port)
chan_id = l1.rpc.fundchannel(l2.info['id'], amount, request_amt=amount,
feerate='{}perkw'.format(feerate),
compact_lease=rates['compact_lease'])['channel_id']
vins = [x for x in l1.rpc.listfunds()['outputs'] if x['reserved']]
assert only_one(vins)
prev_utxos = ["{}:{}".format(vins[0]['txid'], vins[0]['output'])]
# Check that we're waiting for lockin
l1.daemon.wait_for_log(' to DUALOPEND_AWAITING_LOCKIN')
est_fees = calc_lease_fee(amount, feerate, rates)
# This should be the accepter's amount
fundings = only_one(only_one(l1.rpc.listpeers()['peers'])['channels'])['funding']
assert Millisatoshi(est_fees + amount * 1000) == Millisatoshi(fundings['remote_msat'])
# rbf the lease with a higher amount
rate = int(find_next_feerate(l1, l2)[:-5])
# We 4x the feerate to beat the min-relay fee
next_feerate = '{}perkw'.format(rate * 4)
# Initiate an RBF
startweight = 42 + 172 # base weight, funding output
initpsbt = l1.rpc.utxopsbt(amount, next_feerate, startweight,
prev_utxos, reservedok=True,
min_witness_weight=110,
excess_as_change=True)['psbt']
# do the bump
bump = l1.rpc.openchannel_bump(chan_id, amount, initpsbt,
funding_feerate=next_feerate)
update = l1.rpc.openchannel_update(chan_id, bump['psbt'])
assert update['commitments_secured']
# Sign our inputs, and continue
signed_psbt = l1.rpc.signpsbt(update['psbt'])['signed_psbt']
l1.rpc.openchannel_signed(chan_id, signed_psbt)
# what happens when the channel opens?
bitcoind.generate_block(6)
l1.daemon.wait_for_log('to CHANNELD_NORMAL')
# This should be the accepter's amount
fundings = only_one(only_one(l1.rpc.listpeers()['peers'])['channels'])['funding']
# FIXME: The lease goes away :(
assert Millisatoshi(0) == Millisatoshi(fundings['remote_msat'])
wait_for(lambda: [c['active'] for c in l1.rpc.listchannels(l1.get_channel_scid(l2))['channels']] == [True, True])
# send some payments, mine a block or two
inv = l2.rpc.invoice(10**4, '1', 'no_1')
l1.rpc.pay(inv['bolt11'])
# l2 attempts to close a channel that it leased, should succeed
# (channel isnt leased)
l2.rpc.close(l1.get_channel_scid(l2))
l1.daemon.wait_for_log('State changed from CLOSINGD_SIGEXCHANGE to CLOSINGD_COMPLETE')
@unittest.skipIf(TEST_NETWORK != 'regtest', 'elementsd doesnt yet support PSBT features we need')
@pytest.mark.openchannel('v2')
def test_v2_rbf_multi(node_factory, bitcoind, chainparams):