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maybe_cleanup_forwarding: fix crash if payment_key not in self.received_mpp_htlcs

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ThomasV
2024-06-05 16:49:33 +02:00
parent 0866581b2c
commit 982443eaa3
1 changed files with 4 additions and 4 deletions
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8
electrum/lnworker.py
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@@ -2380,10 +2380,10 @@ class LNWallet(LNWorker):
is_htlc_key = ':' in payment_key_hex is_htlc_key = ':' in payment_key_hex
if not is_htlc_key: if not is_htlc_key:
payment_key = bytes.fromhex(payment_key_hex) payment_key = bytes.fromhex(payment_key_hex)
mpp_status = self.received_mpp_htlcs[payment_key] mpp_status = self.received_mpp_htlcs.get(payment_key)
if mpp_status.resolution == RecvMPPResolution.WAITING: if not mpp_status or mpp_status.resolution == RecvMPPResolution.WAITING:
# reconstructing the MPP after restart # After restart, self.received_mpp_htlcs needs to be reconstructed
self.logger.info(f'cannot cleanup mpp, still waiting') self.logger.info(f'maybe_cleanup_forwarding: mpp_status not ready')
return return
htlc_key = (short_channel_id, htlc) htlc_key = (short_channel_id, htlc)
mpp_status.htlc_set.remove(htlc_key) # side-effecting htlc_set mpp_status.htlc_set.remove(htlc_key) # side-effecting htlc_set