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onchaind: use lightningd to sign and broadcast htlc expired txs.

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This is when they closed the channel, we can simply make our own tx to
expire the HTLC.  (The other case is where we closed the channel, and
we have a special htlc_timeout tx which we have their signature for).

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell
2023-04-06 09:03:25 +09:30
parent 5bdd532e70
commit 0c27acc705
9 changed files with 169 additions and 181 deletions
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15
tests/test_misc.py
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@@ -293,14 +293,15 @@ def test_htlc_sig_persistence(node_factory, bitcoind, executor):
l1.start()
assert l1.daemon.is_in_log(r'Loaded 1 HTLC signatures from DB')
l1.daemon.wait_for_logs([
r'Peer permanent failure in CHANNELD_NORMAL: Funding transaction spent',
r'Propose handling THEIR_UNILATERAL/OUR_HTLC by OUR_HTLC_TIMEOUT_TO_US'
])
# Could happen in either order!
l1.daemon.wait_for_log(r'Peer permanent failure in CHANNELD_NORMAL: Funding transaction spent')
((_, txid, blocks),) = l1.wait_for_onchaind_tx('OUR_HTLC_TIMEOUT_TO_US',
'THEIR_UNILATERAL/OUR_HTLC')
assert blocks == 5
bitcoind.generate_block(5)
l1.daemon.wait_for_log("Broadcasting OUR_HTLC_TIMEOUT_TO_US")
time.sleep(3)
bitcoind.generate_block(1)
bitcoind.generate_block(1, wait_for_mempool=txid)
l1.daemon.wait_for_logs([
r'Owning output . (\d+)sat .SEGWIT. txid',
])