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pytest: fix flake in test_peer_anchor_push

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If l1 is one block behind, l2 goes onchain one block early:

```
        # Drops to chain
>       wait_for(lambda: only_one(l2.rpc.listpeerchannels(l3.info['id'])['channels'])['state'] == 'AWAITING_UNILATERAL')

tests/test_closing.py:3951:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

success = <function test_peer_anchor_push.<locals>.<lambda> at 0x7f799f9cd1f0>
timeout = 180

    def wait_for(success, timeout=TIMEOUT):
        start_time = time.time()
        interval = 0.25
        while not success():
            time_left = start_time + timeout - time.time()
            if time_left <= 0:
>               raise ValueError("Timeout while waiting for {}".format(success))
E               ValueError: Timeout while waiting for <function test_peer_anchor_push.<locals>.<lambda> at 0x7f799f9cd1f0>
```

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell 2024-01-29 13:29:19 +10:30
parent bf9cdc597e
commit af4b244f2f
1 changed files with 4 additions and 1 deletions
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5
tests/test_closing.py
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@ -3919,7 +3919,7 @@ def test_peer_anchor_push(node_factory, bitcoind, executor, chainparams):
psbt = l2.rpc.addpsbtoutput(OUTPUT_SAT, psbt)['psbt']
l2.rpc.sendpsbt(l2.rpc.signpsbt(psbt)['signed_psbt'])
bitcoind.generate_block(1, wait_for_mempool=1)
sync_blockheight(bitcoind, [l2])
sync_blockheight(bitcoind, [l1, l2])
# Make sure all amounts are below OUTPUT_SAT sats!
assert [x for x in l2.rpc.listfunds()['outputs'] if x['amount_msat'] > Millisatoshi(str(OUTPUT_SAT) + "sat")] == []
@ -3931,6 +3931,9 @@ def test_peer_anchor_push(node_factory, bitcoind, executor, chainparams):
l1.rpc.sendpay(route, sticky_inv['payment_hash'], payment_secret=sticky_inv['payment_secret'])
l3.daemon.wait_for_log('dev_disconnect: -WIRE_UPDATE_FULFILL_HTLC')
# Make sure HTLC expiry is what we expect!
l2.daemon.wait_for_log('Adding HTLC 0 amount=100000000msat cltv=119 gave CHANNEL_ERR_ADD_OK')
# l3 drops to chain, but make sure it doesn't CPFP its own anchor.
wait_for(lambda: only_one(l3.rpc.listpeerchannels(l2.info['id'])['channels'])['htlcs'] != [])
closetx = l3.rpc.dev_sign_last_tx(l2.info['id'])['tx']