/// and add a pending payment that was already fulfilled.
Fulfilled {
session_privs: HashSet<[u8; 32]>,
+ payment_hash: Option<PaymentHash>,
},
}
}
}
+ fn payment_hash(&self) -> Option<PaymentHash> {
+ match self {
+ PendingOutboundPayment::Legacy { .. } => None,
+ PendingOutboundPayment::Retryable { payment_hash, .. } => Some(*payment_hash),
+ PendingOutboundPayment::Fulfilled { payment_hash, .. } => *payment_hash,
+ }
+ }
+
fn mark_fulfilled(&mut self) {
let mut session_privs = HashSet::new();
core::mem::swap(&mut session_privs, match self {
PendingOutboundPayment::Legacy { session_privs } |
PendingOutboundPayment::Retryable { session_privs, .. } |
- PendingOutboundPayment::Fulfilled { session_privs }
+ PendingOutboundPayment::Fulfilled { session_privs, .. }
=> session_privs
});
- *self = PendingOutboundPayment::Fulfilled { session_privs };
+ let payment_hash = self.payment_hash();
+ *self = PendingOutboundPayment::Fulfilled { session_privs, payment_hash };
}
/// panics if path is None and !self.is_fulfilled
let remove_res = match self {
PendingOutboundPayment::Legacy { session_privs } |
PendingOutboundPayment::Retryable { session_privs, .. } |
- PendingOutboundPayment::Fulfilled { session_privs } => {
+ PendingOutboundPayment::Fulfilled { session_privs, .. } => {
session_privs.remove(session_priv)
}
};
match self {
PendingOutboundPayment::Legacy { session_privs } |
PendingOutboundPayment::Retryable { session_privs, .. } |
- PendingOutboundPayment::Fulfilled { session_privs } => {
+ PendingOutboundPayment::Fulfilled { session_privs, .. } => {
session_privs.len()
}
}
htlc_id: prev_htlc_id,
incoming_packet_shared_secret: incoming_shared_secret,
});
- match chan.get_mut().send_htlc(amt_to_forward, payment_hash, outgoing_cltv_value, htlc_source.clone(), onion_packet) {
+ match chan.get_mut().send_htlc(amt_to_forward, payment_hash, outgoing_cltv_value, htlc_source.clone(), onion_packet, &self.logger) {
Err(e) => {
if let ChannelError::Ignore(msg) = e {
log_trace!(self.logger, "Failed to forward HTLC with payment_hash {}: {}", log_bytes!(payment_hash.0), msg);
}
fn finalize_claims(&self, mut sources: Vec<HTLCSource>) {
+ let mut pending_events = self.pending_events.lock().unwrap();
for source in sources.drain(..) {
- if let HTLCSource::OutboundRoute { session_priv, payment_id, .. } = source {
+ if let HTLCSource::OutboundRoute { session_priv, payment_id, path, .. } = source {
let mut session_priv_bytes = [0; 32];
session_priv_bytes.copy_from_slice(&session_priv[..]);
let mut outbounds = self.pending_outbound_payments.lock().unwrap();
if let hash_map::Entry::Occupied(mut payment) = outbounds.entry(payment_id) {
assert!(payment.get().is_fulfilled());
- payment.get_mut().remove(&session_priv_bytes, None);
+ if payment.get_mut().remove(&session_priv_bytes, None) {
+ pending_events.push(
+ events::Event::PaymentPathSuccessful {
+ payment_id,
+ payment_hash: payment.get().payment_hash(),
+ path,
+ }
+ );
+ }
if payment.get().remaining_parts() == 0 {
payment.remove();
}
session_priv_bytes.copy_from_slice(&session_priv[..]);
let mut outbounds = self.pending_outbound_payments.lock().unwrap();
if let hash_map::Entry::Occupied(mut payment) = outbounds.entry(payment_id) {
- let found_payment = !payment.get().is_fulfilled();
- let fee_paid_msat = payment.get().get_pending_fee_msat();
- payment.get_mut().mark_fulfilled();
+ let mut pending_events = self.pending_events.lock().unwrap();
+ if !payment.get().is_fulfilled() {
+ let payment_hash = PaymentHash(Sha256::hash(&payment_preimage.0).into_inner());
+ let fee_paid_msat = payment.get().get_pending_fee_msat();
+ pending_events.push(
+ events::Event::PaymentSent {
+ payment_id: Some(payment_id),
+ payment_preimage,
+ payment_hash,
+ fee_paid_msat,
+ }
+ );
+ payment.get_mut().mark_fulfilled();
+ }
+
if from_onchain {
// We currently immediately remove HTLCs which were fulfilled on-chain.
// This could potentially lead to removing a pending payment too early,
// restart.
// TODO: We should have a second monitor event that informs us of payments
// irrevocably fulfilled.
- payment.get_mut().remove(&session_priv_bytes, Some(&path));
+ if payment.get_mut().remove(&session_priv_bytes, Some(&path)) {
+ let payment_hash = Some(PaymentHash(Sha256::hash(&payment_preimage.0).into_inner()));
+ pending_events.push(
+ events::Event::PaymentPathSuccessful {
+ payment_id,
+ payment_hash,
+ path,
+ }
+ );
+ }
+
if payment.get().remaining_parts() == 0 {
payment.remove();
}
}
- if found_payment {
- let payment_hash = PaymentHash(Sha256::hash(&payment_preimage.0).into_inner());
- self.pending_events.lock().unwrap().push(
- events::Event::PaymentSent {
- payment_id: Some(payment_id),
- payment_preimage,
- payment_hash: payment_hash,
- fee_paid_msat,
- }
- );
- }
} else {
log_trace!(self.logger, "Received duplicative fulfill for HTLC with payment_preimage {}", log_bytes!(payment_preimage.0));
}
pub fn has_pending_payments(&self) -> bool {
!self.pending_outbound_payments.lock().unwrap().is_empty()
}
+
+ #[cfg(test)]
+ pub fn clear_pending_payments(&self) {
+ self.pending_outbound_payments.lock().unwrap().clear()
+ }
}
impl<Signer: Sign, M: Deref, T: Deref, K: Deref, F: Deref, L: Deref> MessageSendEventsProvider for ChannelManager<Signer, M, T, K, F, L>
},
(1, Fulfilled) => {
(0, session_privs, required),
+ (1, payment_hash, option),
},
(2, Retryable) => {
(0, session_privs, required),
nodes[0].node.handle_revoke_and_ack(&nodes[1].node.get_our_node_id(), &bs_third_raa);
check_added_monitors!(nodes[0], 1);
- // Note that successful MPP payments will generate 1 event upon the first path's success. No
- // further events will be generated for subsequence path successes.
+ // Note that successful MPP payments will generate a single PaymentSent event upon the first
+ // path's success and a PaymentPathSuccessful event for each path's success.
let events = nodes[0].node.get_and_clear_pending_events();
+ assert_eq!(events.len(), 3);
match events[0] {
Event::PaymentSent { payment_id: ref id, payment_preimage: ref preimage, payment_hash: ref hash, .. } => {
assert_eq!(Some(payment_id), *id);
},
_ => panic!("Unexpected event"),
}
+ match events[1] {
+ Event::PaymentPathSuccessful { payment_id: ref actual_payment_id, ref payment_hash, ref path } => {
+ assert_eq!(payment_id, *actual_payment_id);
+ assert_eq!(our_payment_hash, *payment_hash.as_ref().unwrap());
+ assert_eq!(route.paths[0], *path);
+ },
+ _ => panic!("Unexpected event"),
+ }
+ match events[2] {
+ Event::PaymentPathSuccessful { payment_id: ref actual_payment_id, ref payment_hash, ref path } => {
+ assert_eq!(payment_id, *actual_payment_id);
+ assert_eq!(our_payment_hash, *payment_hash.as_ref().unwrap());
+ assert_eq!(route.paths[0], *path);
+ },
+ _ => panic!("Unexpected event"),
+ }
}
#[test]