/// the hops can be of variable length.
pub(crate) const ONION_DATA_LEN: usize = 20*65;
+pub(super) const INVALID_ONION_BLINDING: u16 = 0x8000 | 0x4000 | 24;
+
#[inline]
fn shift_slice_right(arr: &mut [u8], amt: usize) {
for i in (amt..arr.len()).rev() {
Some(hop) => hop,
None => {
// The failing hop is within a multi-hop blinded path.
- error_code_ret = Some(BADONION | PERM | 24); // invalid_onion_blinding
- error_packet_ret = Some(vec![0; 32]);
+ #[cfg(not(test))] {
+ error_code_ret = Some(BADONION | PERM | 24); // invalid_onion_blinding
+ error_packet_ret = Some(vec![0; 32]);
+ }
+ #[cfg(test)] {
+ // Actually parse the onion error data in tests so we can check that blinded hops fail
+ // back correctly.
+ let err_packet = decrypt_onion_error_packet(
+ &mut encrypted_packet, shared_secret
+ ).unwrap();
+ error_code_ret =
+ Some(u16::from_be_bytes(err_packet.failuremsg.get(0..2).unwrap().try_into().unwrap()));
+ error_packet_ret = Some(err_packet.failuremsg[2..].to_vec());
+ }
+
res = Some(FailureLearnings {
network_update: None, short_channel_id: None, payment_failed_permanently: false
});
}
#[derive(Clone)] // See Channel::revoke_and_ack for why, tl;dr: Rust bug
+#[cfg_attr(test, derive(PartialEq))]
pub(super) struct HTLCFailReason(HTLCFailReasonRepr);
#[derive(Clone)] // See Channel::revoke_and_ack for why, tl;dr: Rust bug
+#[cfg_attr(test, derive(PartialEq))]
enum HTLCFailReasonRepr {
LightningError {
err: msgs::OnionErrorPacket,