AaronFiore/electrum
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lnpeer.htlc_switch: (bugfix) don't fulfill htlc until add is irrevocable

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This makes the test added in prev commit pass.
This commit is contained in:
SomberNight
2021-01-28 20:03:30 +01:00
parent e8a2fa5596
commit 2b0f156ce8
2 changed files with 2 additions and 4 deletions
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1
electrum/lnchannel.py
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@@ -858,6 +858,7 @@ class Channel(AbstractChannel):
local_ctn = self.get_latest_ctn(LOCAL)
remote_ctn = self.get_latest_ctn(REMOTE)
if onion_packet:
# TODO neither local_ctn nor remote_ctn are used anymore... no point storing them.
self.hm.log['unfulfilled_htlcs'][htlc.htlc_id] = local_ctn, remote_ctn, onion_packet.hex(), False
self.logger.info("receive_htlc")

5
electrum/lnpeer.py
View File

@@ -1666,10 +1666,7 @@ class Peer(Logger):
done = set()
unfulfilled = chan.hm.log.get('unfulfilled_htlcs', {})
for htlc_id, (local_ctn, remote_ctn, onion_packet_hex, forwarding_info) in unfulfilled.items():
# FIXME this test is not sufficient:
if chan.get_oldest_unrevoked_ctn(LOCAL) <= local_ctn:
continue
if chan.get_oldest_unrevoked_ctn(REMOTE) <= remote_ctn:
if not chan.hm.is_add_htlc_irrevocably_committed_yet(htlc_proposer=REMOTE, htlc_id=htlc_id):
continue
chan.logger.info(f'found unfulfilled htlc: {htlc_id}')
htlc = chan.hm.get_htlc_by_id(REMOTE, htlc_id)