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pytest: fix flaky 'Bad gossip' error in test_block_backfill

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Sometimes the l3 seeker asks for scids, and the reply contains the
channel which is then closed by the time it checks, so it considers
the updates bad gossip.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell 2019-10-31 14:39:11 +10:30 • committed by Christian Decker
parent 4c2f51ce13
commit 04403ed59f
1 changed files with 4 additions and 0 deletions
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4
tests/test_db.py
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@ -79,6 +79,10 @@ def test_block_backfill(node_factory, bitcoind, chainparams):
# Make sure we also have the needle we added to the haystack above
assert(31337 in [r['satoshis'] for r in l3.db_query("SELECT satoshis FROM utxoset")])
# Make sure that l3 doesn't ask for more gossip and get a reply about
# the closed channel (hence Bad gossip msgs in log).
l3.daemon.wait_for_log('seeker: state = NORMAL')
# Now close the channel and make sure `l3` cleans up correctly:
txid = l1.rpc.close(l2.info['id'])['txid']
bitcoind.generate_block(1, wait_for_mempool=txid)