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test_lightningd.py: test onchaind when all turn into fees.

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Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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Rusty Russell 2018-03-07 10:36:56 +10:30 • committed by Christian Decker
parent 45e145df5e
commit 0489aabfbe
1 changed files with 58 additions and 0 deletions
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58
tests/test_lightningd.py
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@ -1737,6 +1737,64 @@ class LightningDTests(BaseLightningDTests):
# Payment failed, BTW # Payment failed, BTW
assert l2.rpc.listinvoices('onchain_timeout')['invoices'][0]['status'] == 'unpaid' assert l2.rpc.listinvoices('onchain_timeout')['invoices'][0]['status'] == 'unpaid'
@unittest.skipIf(not DEVELOPER, "needs DEVELOPER=1 for dev-set-fees")
def test_onchain_all_dust(self):
"""Onchain handling when we reduce output to all dust"""
# HTLC 1->2, 2 fails just after they're both irrevocably committed
# We need 2 to drop to chain, because then 1's HTLC timeout tx
# is generated on-the-fly, and is thus feerate sensitive.
disconnects = ['-WIRE_UPDATE_FAIL_HTLC', 'permfail']
l1 = self.node_factory.get_node()
l2 = self.node_factory.get_node(disconnect=disconnects)
l1.rpc.connect(l2.info['id'], 'localhost', l2.info['port'])
self.fund_channel(l1, l2, 10**6)
rhash = l2.rpc.invoice(10**8, 'onchain_timeout', 'desc')['payment_hash']
# We underpay, so it fails.
routestep = {
'msatoshi': 10**7 - 1,
'id': l2.info['id'],
'delay': 5,
'channel': '1:1:1'
}
self.executor.submit(l1.rpc.sendpay, to_json([routestep]), rhash)
# l2 will drop to chain.
l2.daemon.wait_for_log('permfail')
l2.daemon.wait_for_log('sendrawtx exit 0')
# Make l1's fees really high.
l1.rpc.dev_setfees('100000', '100000', '100000')
bitcoind.generate_block(1)
l1.daemon.wait_for_log(' to ONCHAIN')
l2.daemon.wait_for_log(' to ONCHAIN')
# Wait for timeout.
l1.daemon.wait_for_log('Propose handling THEIR_UNILATERAL/OUR_HTLC by OUR_HTLC_TIMEOUT_TO_US .* in 5 blocks')
bitcoind.generate_block(5)
l1.daemon.wait_for_log('sendrawtx exit 0')
bitcoind.generate_block(1)
l1.daemon.wait_for_log('Resolved THEIR_UNILATERAL/OUR_HTLC by our proposal OUR_HTLC_TIMEOUT_TO_US')
# 100 deep and l2 forgets.
bitcoind.generate_block(92)
sync_blockheight([l2])
assert not l2.daemon.is_in_log('onchaind complete, forgetting peer')
bitcoind.generate_block(1)
l2.daemon.wait_for_log('onchaind complete, forgetting peer')
# l1 forgets 100 blocks after OUR_HTLC_TIMEOUT_TO_US.
bitcoind.generate_block(6)
sync_blockheight([l1])
assert not l1.daemon.is_in_log('onchaind complete, forgetting peer')
bitcoind.generate_block(1)
l1.daemon.wait_for_log('onchaind complete, forgetting peer')
@unittest.skipIf(not DEVELOPER, "needs DEVELOPER=1") @unittest.skipIf(not DEVELOPER, "needs DEVELOPER=1")
def test_permfail_new_commit(self): def test_permfail_new_commit(self):
# Test case where we have two possible commits: it will use new one. # Test case where we have two possible commits: it will use new one.