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htlcswitch: use distinct error for unreadable failures

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This commit is contained in:
Joost Jager
2019-06-19 11:12:10 +02:00
parent 0cdae56d28
commit 418fe364de
9 changed files with 396 additions and 165 deletions
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20
routing/router.go
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@@ -1812,8 +1812,24 @@ func (r *ChannelRouter) sendPayment(
// to continue with an alternative route. This is indicated by the boolean
// return value.
func (r *ChannelRouter) processSendError(paySession PaymentSession,
rt *route.Route, fErr *htlcswitch.ForwardingError) (
bool, channeldb.FailureReason) {
rt *route.Route, sendErr error) (bool, channeldb.FailureReason) {
// If the failure message could not be decrypted, attribute the failure
// to our own outgoing channel.
//
// TODO(joostager): Penalize all channels in the route.
if sendErr == htlcswitch.ErrUnreadableFailureMessage {
sendErr = &htlcswitch.ForwardingError{
FailureSourceIdx: 0,
FailureMessage: lnwire.NewTemporaryChannelFailure(nil),
}
}
// If an internal, non-forwarding error occurred, we can stop trying.
fErr, ok := sendErr.(*htlcswitch.ForwardingError)
if !ok {
return true, channeldb.FailureReasonError
}
var (
failureSourceIdx = fErr.FailureSourceIdx