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pytest: fix flake in test_channel_lease_post_expiry

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We close the channel because the payment fulfilment is not totally done, and
we generate 6 blocks, causing it to hit CLTV deadline.

```
        # 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 fail
        with pytest.raises(RpcError, match=r'Peer leased this channel from us'):
            l2.rpc.close(l1.get_channel_scid(l2))
    
        bitcoind.generate_block(6)
        sync_blockheight(bitcoind, [l1, l2])
        # make sure we're at the right place for the csv lock
>       l2.daemon.wait_for_log('Blockheight: SENT_ADD_ACK_COMMIT->RCVD_ADD_ACK_REVOCATION LOCAL now 115')

tests/test_closing.py:823: 
...
lightningd-2 2022-07-17T13:15:34.242Z DEBUG   lightningd: Adding block 115: 39d95061935e9fc42b04c86ae60d0cf157765aff4c040f3a8d0b7888db19e015
lightningd-2 2022-07-17T13:15:34.244Z UNUSUAL 0266e4598d1d3c415f572a8488830b60f7e744ed9235eb0b1ba93283b315c03518-chan#2: Peer permanent failure in CHANNELD_NORMAL: Fulfilled HTLC 0 SENT_REMOVE_COMMIT cltv 115 hit deadline
```

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell 2022-07-18 21:42:28 +09:30 • committed by neil saitug
parent 099d149104
commit acc9dc4852
1 changed files with 4 additions and 0 deletions
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4
tests/test_closing.py
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@ -813,6 +813,10 @@ def test_channel_lease_post_expiry(node_factory, bitcoind, chainparams):
inv = l2.rpc.invoice(10**4, '1', 'no_1')
l1.rpc.pay(inv['bolt11'])
# make sure it's completely resolved before we generate blocks,
# otherwise it can close HTLC!
wait_for(lambda: only_one(only_one(l2.rpc.listpeers()['peers'])['channels'])['htlcs'] == [])
# l2 attempts to close a channel that it leased, should fail
with pytest.raises(RpcError, match=r'Peer leased this channel from us'):
l2.rpc.close(l1.get_channel_scid(l2))