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Set HTLCPreviousHopData::blinded for blinded received HTLCs.

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Will be used in the next commit(s) to let us know to fail blinded received
HTLCs backwards with the malformed and invalid_onion_blinding error per BOLT 4.
This commit is contained in:
Valentine Wallace 2023-10-26 18:52:29 -04:00
parent 339f3fccf8
commit e4485cffb3
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GPG key ID: FD3E106A2CE099B4
1 changed files with 7 additions and 7 deletions
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14
lightning/src/ln/channelmanager.rs
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@ -201,11 +201,11 @@ pub struct BlindedForward {
impl PendingHTLCRouting { impl PendingHTLCRouting {
// Used to override the onion failure code and data if the HTLC is blinded. // Used to override the onion failure code and data if the HTLC is blinded.
fn blinded_failure(&self) -> Option<BlindedFailure> { fn blinded_failure(&self) -> Option<BlindedFailure> {
// TODO: needs update when we support receiving to multi-hop blinded paths // TODO: needs update when we support forwarding blinded HTLCs as non-intro node
if let Self::Forward { blinded: Some(_), .. } = self { match self {
Some(BlindedFailure::FromIntroductionNode) Self::Forward { blinded: Some(_), .. } => Some(BlindedFailure::FromIntroductionNode),
} else { Self::Receive { requires_blinded_error: true, .. } => Some(BlindedFailure::FromBlindedNode),
None _ => None,
} }
} }
} }
@ -291,7 +291,7 @@ pub(super) enum HTLCForwardInfo {
} }
// Used for failing blinded HTLCs backwards correctly. // Used for failing blinded HTLCs backwards correctly.
#[derive(Clone, Debug, Hash, PartialEq, Eq)] #[derive(Clone, Copy, Debug, Hash, PartialEq, Eq)]
enum BlindedFailure { enum BlindedFailure {
FromIntroductionNode, FromIntroductionNode,
FromBlindedNode, FromBlindedNode,
@ -4462,7 +4462,7 @@ where
htlc_id: $htlc.prev_hop.htlc_id, htlc_id: $htlc.prev_hop.htlc_id,
incoming_packet_shared_secret: $htlc.prev_hop.incoming_packet_shared_secret, incoming_packet_shared_secret: $htlc.prev_hop.incoming_packet_shared_secret,
phantom_shared_secret, phantom_shared_secret,
blinded_failure: None, blinded_failure,
}), payment_hash, }), payment_hash,
HTLCFailReason::reason(0x4000 | 15, htlc_msat_height_data), HTLCFailReason::reason(0x4000 | 15, htlc_msat_height_data),
HTLCDestination::FailedPayment { payment_hash: $payment_hash }, HTLCDestination::FailedPayment { payment_hash: $payment_hash },