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onchaind: use a point-of-last-resort if we see an unknown transaction.

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This may have been supplied by the peer if it's nice and supports
option_data_loss_protect.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell
2018-08-17 14:36:36 +09:30
committed by Christian Decker
parent 6aed936799
commit 1a4084442b
6 changed files with 120 additions and 12 deletions
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14
tests/test_connection.py
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@@ -1141,7 +1141,7 @@ def test_funder_feerate_reconnect(node_factory, bitcoind):
@unittest.skipIf(not DEVELOPER, "needs LIGHTNINGD_DEV_LOG_IO")
def test_dataloss_protection(node_factory):
def test_dataloss_protection(node_factory, bitcoind):
l1 = node_factory.get_node(may_reconnect=True, log_all_io=True)
l2 = node_factory.get_node(may_reconnect=True, log_all_io=True)
@@ -1214,4 +1214,14 @@ def test_dataloss_protection(node_factory):
l2.daemon.wait_for_log("Cannot broadcast our commitment tx: they have a future one")
assert not l2.daemon.is_in_log('sendrawtx exit 0')
# FIXME: l2 should still be able to collect onchain.
closetxid = only_one(bitcoind.rpc.getrawmempool(False))
# l2 should still recover something!
bitcoind.generate_block(1)
l2.daemon.wait_for_log("ERROR: Unknown commitment #2, recovering our funds!")
bitcoind.generate_block(100)
l2.daemon.wait_for_log('WIRE_ONCHAIN_ALL_IRREVOCABLY_RESOLVED')
# l2 should have it in wallet.
assert (closetxid, "confirmed") in set([(o['txid'], o['status']) for o in l2.rpc.listfunds()['outputs']])