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lnpeer: forwarding: better handle if next_peer is offline

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This commit is contained in:
SomberNight
2022-05-30 16:46:31 +02:00
parent cc1b4a5c90
commit 06687e06d8
1 changed files with 5 additions and 2 deletions
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7
electrum/lnpeer.py
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@@ -1607,14 +1607,17 @@ class Peer(Logger):
if htlc.amount_msat - next_amount_msat_htlc < forwarding_fees: if htlc.amount_msat - next_amount_msat_htlc < forwarding_fees:
data = next_amount_msat_htlc.to_bytes(8, byteorder="big") + outgoing_chan_upd_message data = next_amount_msat_htlc.to_bytes(8, byteorder="big") + outgoing_chan_upd_message
raise OnionRoutingFailure(code=OnionFailureCode.FEE_INSUFFICIENT, data=data) raise OnionRoutingFailure(code=OnionFailureCode.FEE_INSUFFICIENT, data=data)
self.logger.info(f'forwarding htlc to {next_chan.node_id}') self.logger.info(f'forwarding htlc to {next_chan.node_id.hex()}')
next_peer = self.lnworker.peers.get(next_chan.node_id)
if next_peer is None:
self.logger.info(f"failed to forward htlc: next_peer offline ({next_chan.node_id.hex()})")
raise OnionRoutingFailure(code=OnionFailureCode.TEMPORARY_CHANNEL_FAILURE, data=outgoing_chan_upd_message)
next_htlc = UpdateAddHtlc( next_htlc = UpdateAddHtlc(
amount_msat=next_amount_msat_htlc, amount_msat=next_amount_msat_htlc,
payment_hash=htlc.payment_hash, payment_hash=htlc.payment_hash,
cltv_expiry=next_cltv_expiry, cltv_expiry=next_cltv_expiry,
timestamp=int(time.time())) timestamp=int(time.time()))
next_htlc = next_chan.add_htlc(next_htlc) next_htlc = next_chan.add_htlc(next_htlc)
next_peer = self.lnworker.peers[next_chan.node_id]
try: try:
next_peer.send_message( next_peer.send_message(
"update_add_htlc", "update_add_htlc",