use crate::chain::keysinterface::{EntropySource, NodeSigner, Recipient};
use crate::ln::{PaymentHash, PaymentPreimage, PaymentSecret};
use crate::ln::channelmanager::{ChannelDetails, HTLCSource, IDEMPOTENCY_TIMEOUT_TICKS, PaymentId};
-use crate::ln::channelmanager::MIN_FINAL_CLTV_EXPIRY_DELTA as LDK_DEFAULT_MIN_FINAL_CLTV_EXPIRY_DELTA;
use crate::ln::onion_utils::HTLCFailReason;
use crate::routing::router::{InFlightHtlcs, PaymentParameters, Route, RouteHop, RouteParameters, RoutePath, Router};
use crate::util::errors::APIError;
use crate::util::time::Time;
#[cfg(all(not(feature = "no-std"), test))]
use crate::util::time::tests::SinceEpoch;
+use crate::util::ser::ReadableArgs;
use core::cmp;
use core::fmt::{self, Display, Formatter};
///
/// Each attempt may be multiple HTLCs along multiple paths if the router decides to split up a
/// retry, and may retry multiple failed HTLCs at once if they failed around the same time and
- /// were retried along a route from a single call to [`Router::find_route`].
+ /// were retried along a route from a single call to [`Router::find_route_with_id`].
Attempts(usize),
#[cfg(not(feature = "no-std"))]
/// Time elapsed before abandoning retries for a payment. At least one attempt at payment is made;
/// it means the result of the first attempt is not known yet.
pub(crate) count: usize,
/// This field is only used when retry is `Retry::Timeout` which is only build with feature std
- first_attempted_at: T
+ #[cfg(not(feature = "no-std"))]
+ first_attempted_at: T,
+ #[cfg(feature = "no-std")]
+ phantom: core::marker::PhantomData<T>,
+
}
#[cfg(not(any(feature = "no-std", test)))]
pub(crate) fn new() -> Self {
PaymentAttemptsUsingTime {
count: 0,
- first_attempted_at: T::now()
+ #[cfg(not(feature = "no-std"))]
+ first_attempted_at: T::now(),
+ #[cfg(feature = "no-std")]
+ phantom: core::marker::PhantomData,
}
}
}
let mut retry_id_route_params = None;
for (pmt_id, pmt) in outbounds.iter_mut() {
if pmt.is_auto_retryable_now() {
- if let PendingOutboundPayment::Retryable { pending_amt_msat, total_msat, payment_params: Some(params), .. } = pmt {
+ if let PendingOutboundPayment::Retryable { pending_amt_msat, total_msat, payment_params: Some(params), payment_hash, .. } = pmt {
if pending_amt_msat < total_msat {
- retry_id_route_params = Some((*pmt_id, RouteParameters {
+ retry_id_route_params = Some((*payment_hash, *pmt_id, RouteParameters {
final_value_msat: *total_msat - *pending_amt_msat,
- final_cltv_expiry_delta:
- if let Some(delta) = params.final_cltv_expiry_delta { delta }
- else {
- debug_assert!(false, "We always set the final_cltv_expiry_delta when a path fails");
- LDK_DEFAULT_MIN_FINAL_CLTV_EXPIRY_DELTA.into()
- },
payment_params: params.clone(),
}));
break
}
}
core::mem::drop(outbounds);
- if let Some((payment_id, route_params)) = retry_id_route_params {
- self.retry_payment_internal(payment_id, route_params, router, first_hops(), &inflight_htlcs, entropy_source, node_signer, best_block_height, logger, pending_events, &send_payment_along_path)
+ if let Some((payment_hash, payment_id, route_params)) = retry_id_route_params {
+ self.retry_payment_internal(payment_hash, payment_id, route_params, router, first_hops(), &inflight_htlcs, entropy_source, node_signer, best_block_height, logger, pending_events, &send_payment_along_path)
} else { break }
}
}
}
- let route = router.find_route(
+ let route = router.find_route_with_id(
&node_signer.get_node_id(Recipient::Node).unwrap(), &route_params,
- Some(&first_hops.iter().collect::<Vec<_>>()), &inflight_htlcs()
+ Some(&first_hops.iter().collect::<Vec<_>>()), &inflight_htlcs(),
+ payment_hash, payment_id,
).map_err(|_| RetryableSendFailure::RouteNotFound)?;
let onion_session_privs = self.add_new_pending_payment(payment_hash, *payment_secret,
}
fn retry_payment_internal<R: Deref, NS: Deref, ES: Deref, IH, SP, L: Deref>(
- &self, payment_id: PaymentId, route_params: RouteParameters, router: &R,
- first_hops: Vec<ChannelDetails>, inflight_htlcs: &IH, entropy_source: &ES, node_signer: &NS,
- best_block_height: u32, logger: &L, pending_events: &Mutex<Vec<events::Event>>,
- send_payment_along_path: &SP,
+ &self, payment_hash: PaymentHash, payment_id: PaymentId, route_params: RouteParameters,
+ router: &R, first_hops: Vec<ChannelDetails>, inflight_htlcs: &IH, entropy_source: &ES,
+ node_signer: &NS, best_block_height: u32, logger: &L,
+ pending_events: &Mutex<Vec<events::Event>>, send_payment_along_path: &SP,
)
where
R::Target: Router,
}
}
- let route = match router.find_route(
+ let route = match router.find_route_with_id(
&node_signer.get_node_id(Recipient::Node).unwrap(), &route_params,
- Some(&first_hops.iter().collect::<Vec<_>>()), &inflight_htlcs()
+ Some(&first_hops.iter().collect::<Vec<_>>()), &inflight_htlcs(),
+ payment_hash, payment_id,
) {
Ok(route) => route,
Err(e) => {
}
macro_rules! abandon_with_entry {
- ($payment_id: expr, $payment_hash: expr, $payment: expr, $pending_events: expr) => {
+ ($payment: expr) => {
if $payment.get_mut().mark_abandoned().is_ok() && $payment.get().remaining_parts() == 0 {
- $pending_events.lock().unwrap().push(events::Event::PaymentFailed {
- payment_id: $payment_id,
- payment_hash: $payment_hash,
+ pending_events.lock().unwrap().push(events::Event::PaymentFailed {
+ payment_id,
+ payment_hash,
});
$payment.remove();
}
}
}
- let (total_msat, payment_hash, payment_secret, keysend_preimage) = {
+ let (total_msat, payment_secret, keysend_preimage) = {
let mut outbounds = self.pending_outbound_payments.lock().unwrap();
match outbounds.entry(payment_id) {
hash_map::Entry::Occupied(mut payment) => {
let res = match payment.get() {
PendingOutboundPayment::Retryable {
- total_msat, payment_hash, keysend_preimage, payment_secret, pending_amt_msat, ..
+ total_msat, keysend_preimage, payment_secret, pending_amt_msat, ..
} => {
let retry_amt_msat: u64 = route.paths.iter().map(|path| path.last().unwrap().fee_msat).sum();
if retry_amt_msat + *pending_amt_msat > *total_msat * (100 + RETRY_OVERFLOW_PERCENTAGE) / 100 {
log_error!(logger, "retry_amt_msat of {} will put pending_amt_msat (currently: {}) more than 10% over total_payment_amt_msat of {}", retry_amt_msat, pending_amt_msat, total_msat);
- let payment_hash = *payment_hash;
- abandon_with_entry!(payment_id, payment_hash, payment, pending_events);
+ abandon_with_entry!(payment);
return
}
- (*total_msat, *payment_hash, *payment_secret, *keysend_preimage)
+ (*total_msat, *payment_secret, *keysend_preimage)
},
PendingOutboundPayment::Legacy { .. } => {
log_error!(logger, "Unable to retry payments that were initially sent on LDK versions prior to 0.0.102");
};
if !payment.get().is_retryable_now() {
log_error!(logger, "Retries exhausted for payment id {}", log_bytes!(payment_id.0));
- abandon_with_entry!(payment_id, res.1, payment, pending_events);
+ abandon_with_entry!(payment);
return
}
payment.get_mut().increment_attempts();
match err {
PaymentSendFailure::AllFailedResendSafe(errs) => {
Self::push_path_failed_evs_and_scids(payment_id, payment_hash, &mut route_params, route.paths, errs.into_iter().map(|e| Err(e)), pending_events);
- self.retry_payment_internal(payment_id, route_params, router, first_hops, inflight_htlcs, entropy_source, node_signer, best_block_height, logger, pending_events, send_payment_along_path);
+ self.retry_payment_internal(payment_hash, payment_id, route_params, router, first_hops, inflight_htlcs, entropy_source, node_signer, best_block_height, logger, pending_events, send_payment_along_path);
},
PaymentSendFailure::PartialFailure { failed_paths_retry: Some(mut retry), results, .. } => {
Self::push_path_failed_evs_and_scids(payment_id, payment_hash, &mut retry, route.paths, results.into_iter(), pending_events);
// Some paths were sent, even if we failed to send the full MPP value our recipient may
// misbehave and claim the funds, at which point we have to consider the payment sent, so
// return `Ok()` here, ignoring any retry errors.
- self.retry_payment_internal(payment_id, retry, router, first_hops, inflight_htlcs, entropy_source, node_signer, best_block_height, logger, pending_events, send_payment_along_path);
+ self.retry_payment_internal(payment_hash, payment_id, retry, router, first_hops, inflight_htlcs, entropy_source, node_signer, best_block_height, logger, pending_events, send_payment_along_path);
},
PaymentSendFailure::PartialFailure { failed_paths_retry: None, .. } => {
// This may happen if we send a payment and some paths fail, but only due to a temporary
debug_assert_eq!(paths.len(), path_results.len());
for (path, path_res) in paths.into_iter().zip(path_results) {
if let Err(e) = path_res {
- let failed_scid = if let APIError::InvalidRoute { .. } = e {
- None
- } else {
+ if let APIError::MonitorUpdateInProgress = e { continue }
+ let mut failed_scid = None;
+ if let APIError::ChannelUnavailable { .. } = e {
let scid = path[0].short_channel_id;
+ failed_scid = Some(scid);
route_params.payment_params.previously_failed_channels.push(scid);
- Some(scid)
- };
+ }
events.push(events::Event::PaymentPathFailed {
payment_id: Some(payment_id),
payment_hash,
Some(RouteParameters {
payment_params: payment_params.clone(),
final_value_msat: pending_amt_unsent,
- final_cltv_expiry_delta:
- if let Some(delta) = payment_params.final_cltv_expiry_delta { delta }
- else { max_unsent_cltv_delta },
})
} else { None }
} else { None },
// `payment_params`) back to the user.
let path_last_hop = path.last().expect("Outbound payments must have had a valid path");
if let Some(params) = payment.get_mut().payment_parameters() {
- if params.final_cltv_expiry_delta.is_none() {
- // This should be rare, but a user could provide None for the payment data, and
- // we need it when we go to retry the payment, so fill it in.
- params.final_cltv_expiry_delta = Some(path_last_hop.cltv_expiry_delta);
- }
retry = Some(RouteParameters {
payment_params: params.clone(),
final_value_msat: path_last_hop.fee_msat,
- final_cltv_expiry_delta: params.final_cltv_expiry_delta.unwrap(),
});
} else if let Some(params) = payment_params {
retry = Some(RouteParameters {
payment_params: params.clone(),
final_value_msat: path_last_hop.fee_msat,
- final_cltv_expiry_delta:
- if let Some(delta) = params.final_cltv_expiry_delta { delta }
- else { path_last_hop.cltv_expiry_delta },
});
}
(0, session_privs, required),
(1, pending_fee_msat, option),
(2, payment_hash, required),
- (3, payment_params, option),
+ // Note that while we "default" payment_param's final CLTV expiry delta to 0 we should
+ // never see it - `payment_params` was added here after the field was added/required.
+ (3, payment_params, (option: ReadableArgs, 0)),
(4, payment_secret, option),
(5, keysend_preimage, option),
(6, total_msat, required),
#[cfg(test)]
mod tests {
- use bitcoin::blockdata::constants::genesis_block;
use bitcoin::network::constants::Network;
use bitcoin::secp256k1::{PublicKey, Secp256k1, SecretKey};
use crate::ln::PaymentHash;
use crate::ln::channelmanager::PaymentId;
+ use crate::ln::features::{ChannelFeatures, NodeFeatures};
use crate::ln::msgs::{ErrorAction, LightningError};
use crate::ln::outbound_payment::{OutboundPayments, Retry, RetryableSendFailure};
use crate::routing::gossip::NetworkGraph;
- use crate::routing::router::{InFlightHtlcs, PaymentParameters, Route, RouteParameters};
+ use crate::routing::router::{InFlightHtlcs, PaymentParameters, Route, RouteHop, RouteParameters};
use crate::sync::{Arc, Mutex};
- use crate::util::events::Event;
+ use crate::util::errors::APIError;
+ use crate::util::events::{Event, PathFailure};
use crate::util::test_utils;
#[test]
fn do_fails_paying_after_expiration(on_retry: bool) {
let outbound_payments = OutboundPayments::new();
let logger = test_utils::TestLogger::new();
- let genesis_hash = genesis_block(Network::Testnet).header.block_hash();
- let network_graph = Arc::new(NetworkGraph::new(genesis_hash, &logger));
+ let network_graph = Arc::new(NetworkGraph::new(Network::Testnet, &logger));
let scorer = Mutex::new(test_utils::TestScorer::new());
let router = test_utils::TestRouter::new(network_graph, &scorer);
let secp_ctx = Secp256k1::new();
let expired_route_params = RouteParameters {
payment_params,
final_value_msat: 0,
- final_cltv_expiry_delta: 0,
};
let pending_events = Mutex::new(Vec::new());
if on_retry {
&Route { paths: vec![], payment_params: None }, Some(Retry::Attempts(1)),
Some(expired_route_params.payment_params.clone()), &&keys_manager, 0).unwrap();
outbound_payments.retry_payment_internal(
- PaymentId([0; 32]), expired_route_params, &&router, vec![], &|| InFlightHtlcs::new(),
- &&keys_manager, &&keys_manager, 0, &&logger, &pending_events,
- &|_, _, _, _, _, _, _, _, _| Ok(()));
+ PaymentHash([0; 32]), PaymentId([0; 32]), expired_route_params, &&router, vec![],
+ &|| InFlightHtlcs::new(), &&keys_manager, &&keys_manager, 0, &&logger,
+ &pending_events, &|_, _, _, _, _, _, _, _, _| Ok(()));
let events = pending_events.lock().unwrap();
assert_eq!(events.len(), 1);
if let Event::PaymentFailed { .. } = events[0] { } else { panic!("Unexpected event"); }
fn do_find_route_error(on_retry: bool) {
let outbound_payments = OutboundPayments::new();
let logger = test_utils::TestLogger::new();
- let genesis_hash = genesis_block(Network::Testnet).header.block_hash();
- let network_graph = Arc::new(NetworkGraph::new(genesis_hash, &logger));
+ let network_graph = Arc::new(NetworkGraph::new(Network::Testnet, &logger));
let scorer = Mutex::new(test_utils::TestScorer::new());
let router = test_utils::TestRouter::new(network_graph, &scorer);
let secp_ctx = Secp256k1::new();
let route_params = RouteParameters {
payment_params,
final_value_msat: 0,
- final_cltv_expiry_delta: 0,
};
router.expect_find_route(route_params.clone(),
Err(LightningError { err: String::new(), action: ErrorAction::IgnoreError }));
&Route { paths: vec![], payment_params: None }, Some(Retry::Attempts(1)),
Some(route_params.payment_params.clone()), &&keys_manager, 0).unwrap();
outbound_payments.retry_payment_internal(
- PaymentId([0; 32]), route_params, &&router, vec![], &|| InFlightHtlcs::new(),
- &&keys_manager, &&keys_manager, 0, &&logger, &pending_events,
- &|_, _, _, _, _, _, _, _, _| Ok(()));
+ PaymentHash([0; 32]), PaymentId([0; 32]), route_params, &&router, vec![],
+ &|| InFlightHtlcs::new(), &&keys_manager, &&keys_manager, 0, &&logger,
+ &pending_events, &|_, _, _, _, _, _, _, _, _| Ok(()));
let events = pending_events.lock().unwrap();
assert_eq!(events.len(), 1);
if let Event::PaymentFailed { .. } = events[0] { } else { panic!("Unexpected event"); }
} else { panic!("Unexpected error"); }
}
}
+
+ #[test]
+ fn initial_send_payment_path_failed_evs() {
+ let outbound_payments = OutboundPayments::new();
+ let logger = test_utils::TestLogger::new();
+ let network_graph = Arc::new(NetworkGraph::new(Network::Testnet, &logger));
+ let scorer = Mutex::new(test_utils::TestScorer::new());
+ let router = test_utils::TestRouter::new(network_graph, &scorer);
+ let secp_ctx = Secp256k1::new();
+ let keys_manager = test_utils::TestKeysInterface::new(&[0; 32], Network::Testnet);
+
+ let sender_pk = PublicKey::from_secret_key(&secp_ctx, &SecretKey::from_slice(&[42; 32]).unwrap());
+ let receiver_pk = PublicKey::from_secret_key(&secp_ctx, &SecretKey::from_slice(&[43; 32]).unwrap());
+ let payment_params = PaymentParameters::from_node_id(sender_pk, 0);
+ let route_params = RouteParameters {
+ payment_params: payment_params.clone(),
+ final_value_msat: 0,
+ };
+ let failed_scid = 42;
+ let route = Route {
+ paths: vec![vec![RouteHop {
+ pubkey: receiver_pk,
+ node_features: NodeFeatures::empty(),
+ short_channel_id: failed_scid,
+ channel_features: ChannelFeatures::empty(),
+ fee_msat: 0,
+ cltv_expiry_delta: 0,
+ }]],
+ payment_params: Some(payment_params),
+ };
+ router.expect_find_route(route_params.clone(), Ok(route.clone()));
+ let mut route_params_w_failed_scid = route_params.clone();
+ route_params_w_failed_scid.payment_params.previously_failed_channels.push(failed_scid);
+ router.expect_find_route(route_params_w_failed_scid, Ok(route.clone()));
+ router.expect_find_route(route_params.clone(), Ok(route.clone()));
+ router.expect_find_route(route_params.clone(), Ok(route.clone()));
+
+ // Ensure that a ChannelUnavailable error will result in blaming an scid in the
+ // PaymentPathFailed event.
+ let pending_events = Mutex::new(Vec::new());
+ outbound_payments.send_payment(
+ PaymentHash([0; 32]), &None, PaymentId([0; 32]), Retry::Attempts(0), route_params.clone(),
+ &&router, vec![], || InFlightHtlcs::new(), &&keys_manager, &&keys_manager, 0, &&logger,
+ &pending_events,
+ |_, _, _, _, _, _, _, _, _| Err(APIError::ChannelUnavailable { err: "test".to_owned() }))
+ .unwrap();
+ let mut events = pending_events.lock().unwrap();
+ assert_eq!(events.len(), 2);
+ if let Event::PaymentPathFailed {
+ short_channel_id,
+ failure: PathFailure::InitialSend { err: APIError::ChannelUnavailable { .. }}, .. } = events[0]
+ {
+ assert_eq!(short_channel_id, Some(failed_scid));
+ } else { panic!("Unexpected event"); }
+ if let Event::PaymentFailed { .. } = events[1] { } else { panic!("Unexpected event"); }
+ events.clear();
+ core::mem::drop(events);
+
+ // Ensure that a MonitorUpdateInProgress "error" will not result in a PaymentPathFailed event.
+ outbound_payments.send_payment(
+ PaymentHash([0; 32]), &None, PaymentId([0; 32]), Retry::Attempts(0), route_params.clone(),
+ &&router, vec![], || InFlightHtlcs::new(), &&keys_manager, &&keys_manager, 0, &&logger,
+ &pending_events, |_, _, _, _, _, _, _, _, _| Err(APIError::MonitorUpdateInProgress))
+ .unwrap();
+ {
+ let events = pending_events.lock().unwrap();
+ assert_eq!(events.len(), 0);
+ }
+
+ // Ensure that any other error will result in a PaymentPathFailed event but no blamed scid.
+ outbound_payments.send_payment(
+ PaymentHash([0; 32]), &None, PaymentId([1; 32]), Retry::Attempts(0), route_params.clone(),
+ &&router, vec![], || InFlightHtlcs::new(), &&keys_manager, &&keys_manager, 0, &&logger,
+ &pending_events,
+ |_, _, _, _, _, _, _, _, _| Err(APIError::APIMisuseError { err: "test".to_owned() }))
+ .unwrap();
+ let events = pending_events.lock().unwrap();
+ assert_eq!(events.len(), 2);
+ if let Event::PaymentPathFailed {
+ short_channel_id,
+ failure: PathFailure::InitialSend { err: APIError::APIMisuseError { .. }}, .. } = events[0]
+ {
+ assert_eq!(short_channel_id, None);
+ } else { panic!("Unexpected event"); }
+ if let Event::PaymentFailed { .. } = events[1] { } else { panic!("Unexpected event"); }
+ }
}
projects / rust-lightning / blobdiff