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htlcswitch: failAddPacket with full packet information

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This commit sets more fields on the htlcPacket created to fail adding
a htlc packet to the switch for notification purposes. This new data is
copied by value from the original packet. The packet is then failed
back to the peer that forwarded us the packet, which is handled by
handledownstream packet. The values added to the packet are not used
in the handling of a failed packet.
This commit is contained in:
carla 2020-02-19 17:51:53 +02:00
parent abf780bf03
commit b70080a267
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GPG Key ID: 4CA7FE54A6213C91
1 changed files with 14 additions and 5 deletions
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19
htlcswitch/switch.go
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@ -1256,12 +1256,21 @@ func (s *Switch) failAddPacket(packet *htlcPacket, failure *LinkError) error {
log.Error(failure.Error())
// Create a failure packet for this htlc. The the full set of
// information about the htlc failure is included so that they can
// be included in link failure notifications.
failPkt := &htlcPacket{
sourceRef: packet.sourceRef,
incomingChanID: packet.incomingChanID,
incomingHTLCID: packet.incomingHTLCID,
circuit: packet.circuit,
linkFailure: failure,
sourceRef: packet.sourceRef,
incomingChanID: packet.incomingChanID,
incomingHTLCID: packet.incomingHTLCID,
outgoingChanID: packet.outgoingChanID,
outgoingHTLCID: packet.outgoingHTLCID,
incomingAmount: packet.incomingAmount,
amount: packet.amount,
incomingTimeout: packet.incomingTimeout,
outgoingTimeout: packet.outgoingTimeout,
circuit: packet.circuit,
linkFailure: failure,
htlc: &lnwire.UpdateFailHTLC{
Reason: reason,
},