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lightningd: fail htlcs we offer if peer unresponsive after deadline.

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Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell
2017-11-02 10:24:00 +10:30
parent 9662589ed8
commit 1142c44c29
4 changed files with 95 additions and 3 deletions
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40
tests/test_lightningd.py
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@@ -1595,6 +1595,46 @@ class LightningDTests(BaseLightningDTests):
l1.rpc.sendpay(to_json(route), rhash)
assert l3.rpc.listinvoice('test_forward_pad_fees_and_cltv')[0]['complete'] == True
@unittest.skipIf(not DEVELOPER, "needs DEVELOPER=1")
def test_htlc_out_timeout(self):
"""Test that we drop onchain if the peer doesn't time out HTLC"""
# HTLC 1->2, 1 fails after it's irrevocably committed, can't reconnect
disconnects = ['@WIRE_REVOKE_AND_ACK']
l1 = self.node_factory.get_node(disconnect=disconnects,
options=['--no-reconnect'])
l2 = self.node_factory.get_node()
l1.rpc.connect(l2.info['id'], 'localhost:{}'.format(l2.info['port']))
chanid = self.fund_channel(l1, l2, 10**6)
# Wait for route propagation.
bitcoind.rpc.generate(5)
l1.daemon.wait_for_logs(['Received channel_update for channel {}\(0\)'
.format(chanid),
'Received channel_update for channel {}\(1\)'
.format(chanid)])
amt = 200000000
inv = l2.rpc.invoice(amt, 'test_htlc_out_timeout', 'desc')['bolt11']
assert l2.rpc.listinvoice('test_htlc_out_timeout')[0]['complete'] == False
payfuture = self.executor.submit(l1.rpc.pay, inv);
# l1 will drop to chain, not reconnect.
l1.daemon.wait_for_log('dev_disconnect: @WIRE_REVOKE_AND_ACK')
# Takes 6 blocks to timeout (cltv-final + 1), but we also give grace period of 1 block.
bitcoind.rpc.generate(5 + 1)
assert not l1.daemon.is_in_log('hit deadline')
bitcoind.rpc.generate(1)
l1.daemon.wait_for_log('Offered HTLC 0 SENT_ADD_ACK_REVOCATION cltv {} hit deadline'.format(bitcoind.rpc.getblockcount()-1))
l1.daemon.wait_for_log('sendrawtx exit 0')
l1.bitcoin.rpc.generate(1)
l1.daemon.wait_for_log('-> ONCHAIND_OUR_UNILATERAL')
l2.daemon.wait_for_log('-> ONCHAIND_THEIR_UNILATERAL')
@unittest.skipIf(not DEVELOPER, "needs DEVELOPER=1")
def test_disconnect(self):
# These should all make us fail, and retry.