use crate::sign::{EntropySource, NodeSigner, Recipient};
use crate::events::{self, PaymentFailureReason};
use crate::ln::{PaymentHash, PaymentPreimage, PaymentSecret};
-use crate::ln::channelmanager::{ChannelDetails, EventCompletionAction, HTLCSource, IDEMPOTENCY_TIMEOUT_TICKS, PaymentId};
-use crate::ln::onion_utils::HTLCFailReason;
+use crate::ln::channelmanager::{ChannelDetails, EventCompletionAction, HTLCSource, PaymentId};
+use crate::ln::onion_utils::{DecodedOnionFailure, HTLCFailReason};
+use crate::offers::invoice::Bolt12Invoice;
use crate::routing::router::{InFlightHtlcs, Path, PaymentParameters, Route, RouteParameters, Router};
use crate::util::errors::APIError;
use crate::util::logger::Logger;
use crate::prelude::*;
use crate::sync::Mutex;
+/// The number of ticks of [`ChannelManager::timer_tick_occurred`] until we time-out the idempotency
+/// of payments by [`PaymentId`]. See [`OutboundPayments::remove_stale_payments`].
+///
+/// [`ChannelManager::timer_tick_occurred`]: crate::ln::channelmanager::ChannelManager::timer_tick_occurred
+pub(crate) const IDEMPOTENCY_TIMEOUT_TICKS: u8 = 7;
+
+/// The number of ticks of [`ChannelManager::timer_tick_occurred`] until an invoice request without
+/// a response is timed out.
+///
+/// [`ChannelManager::timer_tick_occurred`]: crate::ln::channelmanager::ChannelManager::timer_tick_occurred
+const INVOICE_REQUEST_TIMEOUT_TICKS: u8 = 3;
+
/// Stores the session_priv for each part of a payment that is still pending. For versions 0.0.102
/// and later, also stores information for retrying the payment.
pub(crate) enum PendingOutboundPayment {
Legacy {
session_privs: HashSet<[u8; 32]>,
},
+ AwaitingInvoice {
+ timer_ticks_without_response: u8,
+ },
+ InvoiceReceived {
+ payment_hash: PaymentHash,
+ },
Retryable {
retry_strategy: Option<Retry>,
attempts: PaymentAttempts,
payment_secret: Option<PaymentSecret>,
payment_metadata: Option<Vec<u8>>,
keysend_preimage: Option<PaymentPreimage>,
+ custom_tlvs: Vec<(u64, Vec<u8>)>,
pending_amt_msat: u64,
/// Used to track the fee paid. Only present if the payment was serialized on 0.0.103+.
pending_fee_msat: Option<u64>,
params.previously_failed_channels.push(scid);
}
}
+ fn is_awaiting_invoice(&self) -> bool {
+ match self {
+ PendingOutboundPayment::AwaitingInvoice { .. } => true,
+ _ => false,
+ }
+ }
pub(super) fn is_fulfilled(&self) -> bool {
match self {
PendingOutboundPayment::Fulfilled { .. } => true,
fn payment_hash(&self) -> Option<PaymentHash> {
match self {
PendingOutboundPayment::Legacy { .. } => None,
+ PendingOutboundPayment::AwaitingInvoice { .. } => None,
+ PendingOutboundPayment::InvoiceReceived { payment_hash } => Some(*payment_hash),
PendingOutboundPayment::Retryable { payment_hash, .. } => Some(*payment_hash),
PendingOutboundPayment::Fulfilled { payment_hash, .. } => *payment_hash,
PendingOutboundPayment::Abandoned { payment_hash, .. } => Some(*payment_hash),
PendingOutboundPayment::Legacy { session_privs } |
PendingOutboundPayment::Retryable { session_privs, .. } |
PendingOutboundPayment::Fulfilled { session_privs, .. } |
- PendingOutboundPayment::Abandoned { session_privs, .. }
- => session_privs,
+ PendingOutboundPayment::Abandoned { session_privs, .. } => session_privs,
+ PendingOutboundPayment::AwaitingInvoice { .. } |
+ PendingOutboundPayment::InvoiceReceived { .. } => { debug_assert!(false); return; },
});
let payment_hash = self.payment_hash();
*self = PendingOutboundPayment::Fulfilled { session_privs, payment_hash, timer_ticks_without_htlcs: 0 };
payment_hash: *payment_hash,
reason: Some(reason)
};
+ } else if let PendingOutboundPayment::InvoiceReceived { payment_hash } = self {
+ *self = PendingOutboundPayment::Abandoned {
+ session_privs: HashSet::new(),
+ payment_hash: *payment_hash,
+ reason: Some(reason)
+ };
}
}
PendingOutboundPayment::Fulfilled { session_privs, .. } |
PendingOutboundPayment::Abandoned { session_privs, .. } => {
session_privs.remove(session_priv)
- }
+ },
+ PendingOutboundPayment::AwaitingInvoice { .. } |
+ PendingOutboundPayment::InvoiceReceived { .. } => { debug_assert!(false); false },
};
if remove_res {
if let PendingOutboundPayment::Retryable { ref mut pending_amt_msat, ref mut pending_fee_msat, .. } = self {
PendingOutboundPayment::Legacy { session_privs } |
PendingOutboundPayment::Retryable { session_privs, .. } => {
session_privs.insert(session_priv)
- }
+ },
+ PendingOutboundPayment::AwaitingInvoice { .. } |
+ PendingOutboundPayment::InvoiceReceived { .. } => { debug_assert!(false); false },
PendingOutboundPayment::Fulfilled { .. } => false,
PendingOutboundPayment::Abandoned { .. } => false,
};
PendingOutboundPayment::Fulfilled { session_privs, .. } |
PendingOutboundPayment::Abandoned { session_privs, .. } => {
session_privs.len()
- }
+ },
+ PendingOutboundPayment::AwaitingInvoice { .. } => 0,
+ PendingOutboundPayment::InvoiceReceived { .. } => 0,
}
}
}
},
}
+/// An error when attempting to pay a BOLT 12 invoice.
+#[derive(Clone, Debug, PartialEq, Eq)]
+pub(super) enum Bolt12PaymentError {
+ /// The invoice was not requested.
+ UnexpectedInvoice,
+ /// Payment for an invoice with the corresponding [`PaymentId`] was already initiated.
+ DuplicateInvoice,
+}
+
/// Information which is provided, encrypted, to the payment recipient when sending HTLCs.
///
/// This should generally be constructed with data communicated to us from the recipient (via a
/// [`Self::payment_secret`] and while nearly all lightning senders support secrets, metadata
/// may not be supported as universally.
pub payment_metadata: Option<Vec<u8>>,
+ /// See [`Self::custom_tlvs`] for more info.
+ pub(super) custom_tlvs: Vec<(u64, Vec<u8>)>,
}
impl_writeable_tlv_based!(RecipientOnionFields, {
(0, payment_secret, option),
+ (1, custom_tlvs, optional_vec),
(2, payment_metadata, option),
});
/// set of onion fields for today's BOLT11 invoices - most nodes require a [`PaymentSecret`]
/// but do not require or provide any further data.
pub fn secret_only(payment_secret: PaymentSecret) -> Self {
- Self { payment_secret: Some(payment_secret), payment_metadata: None }
+ Self { payment_secret: Some(payment_secret), payment_metadata: None, custom_tlvs: Vec::new() }
}
/// Creates a new [`RecipientOnionFields`] with no fields. This generally does not create
/// [`ChannelManager::send_spontaneous_payment`]: super::channelmanager::ChannelManager::send_spontaneous_payment
/// [`RecipientOnionFields::secret_only`]: RecipientOnionFields::secret_only
pub fn spontaneous_empty() -> Self {
- Self { payment_secret: None, payment_metadata: None }
+ Self { payment_secret: None, payment_metadata: None, custom_tlvs: Vec::new() }
+ }
+
+ /// Creates a new [`RecipientOnionFields`] from an existing one, adding custom TLVs. Each
+ /// TLV is provided as a `(u64, Vec<u8>)` for the type number and serialized value
+ /// respectively. TLV type numbers must be unique and within the range
+ /// reserved for custom types, i.e. >= 2^16, otherwise this method will return `Err(())`.
+ ///
+ /// This method will also error for types in the experimental range which have been
+ /// standardized within the protocol, which only includes 5482373484 (keysend) for now.
+ ///
+ /// See [`Self::custom_tlvs`] for more info.
+ pub fn with_custom_tlvs(mut self, mut custom_tlvs: Vec<(u64, Vec<u8>)>) -> Result<Self, ()> {
+ custom_tlvs.sort_unstable_by_key(|(typ, _)| *typ);
+ let mut prev_type = None;
+ for (typ, _) in custom_tlvs.iter() {
+ if *typ < 1 << 16 { return Err(()); }
+ if *typ == 5482373484 { return Err(()); } // keysend
+ match prev_type {
+ Some(prev) if prev >= *typ => return Err(()),
+ _ => {},
+ }
+ prev_type = Some(*typ);
+ }
+ self.custom_tlvs = custom_tlvs;
+ Ok(self)
+ }
+
+ /// Gets the custom TLVs that will be sent or have been received.
+ ///
+ /// Custom TLVs allow sending extra application-specific data with a payment. They provide
+ /// additional flexibility on top of payment metadata, as while other implementations may
+ /// require `payment_metadata` to reflect metadata provided in an invoice, custom TLVs
+ /// do not have this restriction.
+ ///
+ /// Note that if this field is non-empty, it will contain strictly increasing TLVs, each
+ /// represented by a `(u64, Vec<u8>)` for its type number and serialized value respectively.
+ /// This is validated when setting this field using [`Self::with_custom_tlvs`].
+ pub fn custom_tlvs(&self) -> &Vec<(u64, Vec<u8>)> {
+ &self.custom_tlvs
}
/// When we have received some HTLC(s) towards an MPP payment, as we receive further HTLC(s) we
pub(super) fn check_merge(&mut self, further_htlc_fields: &mut Self) -> Result<(), ()> {
if self.payment_secret != further_htlc_fields.payment_secret { return Err(()); }
if self.payment_metadata != further_htlc_fields.payment_metadata { return Err(()); }
- // For custom TLVs we should just drop non-matching ones, but not reject the payment.
+
+ let tlvs = &mut self.custom_tlvs;
+ let further_tlvs = &mut further_htlc_fields.custom_tlvs;
+
+ let even_tlvs = tlvs.iter().filter(|(typ, _)| *typ % 2 == 0);
+ let further_even_tlvs = further_tlvs.iter().filter(|(typ, _)| *typ % 2 == 0);
+ if even_tlvs.ne(further_even_tlvs) { return Err(()) }
+
+ tlvs.retain(|tlv| further_tlvs.iter().any(|further_tlv| tlv == further_tlv));
+ further_tlvs.retain(|further_tlv| tlvs.iter().any(|tlv| tlv == further_tlv));
+
Ok(())
}
}
pub session_priv_bytes: [u8; 32],
}
+const BOLT_12_INVOICE_RETRY_STRATEGY: Retry = Retry::Attempts(3);
+
pub(super) struct OutboundPayments {
pub(super) pending_outbound_payments: Mutex<HashMap<PaymentId, PendingOutboundPayment>>,
pub(super) retry_lock: Mutex<()>,
}
}
+ #[allow(unused)]
+ pub(super) fn send_payment_for_bolt12_invoice<R: Deref, ES: Deref, NS: Deref, IH, SP, L: Deref>(
+ &self, invoice: &Bolt12Invoice, payment_id: PaymentId, router: &R,
+ first_hops: Vec<ChannelDetails>, inflight_htlcs: IH, entropy_source: &ES, node_signer: &NS,
+ best_block_height: u32, logger: &L,
+ pending_events: &Mutex<VecDeque<(events::Event, Option<EventCompletionAction>)>>,
+ send_payment_along_path: SP,
+ ) -> Result<(), Bolt12PaymentError>
+ where
+ R::Target: Router,
+ ES::Target: EntropySource,
+ NS::Target: NodeSigner,
+ L::Target: Logger,
+ IH: Fn() -> InFlightHtlcs,
+ SP: Fn(SendAlongPathArgs) -> Result<(), APIError>,
+ {
+ let payment_hash = invoice.payment_hash();
+ match self.pending_outbound_payments.lock().unwrap().entry(payment_id) {
+ hash_map::Entry::Occupied(entry) if entry.get().is_awaiting_invoice() => {
+ *entry.into_mut() = PendingOutboundPayment::InvoiceReceived { payment_hash };
+ },
+ hash_map::Entry::Occupied(_) => return Err(Bolt12PaymentError::DuplicateInvoice),
+ hash_map::Entry::Vacant(_) => return Err(Bolt12PaymentError::UnexpectedInvoice),
+ };
+
+ let route_params = RouteParameters {
+ payment_params: PaymentParameters::from_bolt12_invoice(&invoice),
+ final_value_msat: invoice.amount_msats(),
+ };
+
+ self.find_route_and_send_payment(
+ 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
+ );
+
+ Ok(())
+ }
+
pub(super) fn check_retry_payments<R: Deref, ES: Deref, NS: Deref, SP, IH, FH, L: Deref>(
&self, router: &R, first_hops: FH, inflight_htlcs: IH, entropy_source: &ES, node_signer: &NS,
best_block_height: u32,
}
core::mem::drop(outbounds);
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)
+ self.find_route_and_send_payment(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 mut outbounds = self.pending_outbound_payments.lock().unwrap();
outbounds.retain(|pmt_id, pmt| {
let mut retain = true;
- if !pmt.is_auto_retryable_now() && pmt.remaining_parts() == 0 {
+ if !pmt.is_auto_retryable_now() && pmt.remaining_parts() == 0 && !pmt.is_awaiting_invoice() {
pmt.mark_abandoned(PaymentFailureReason::RetriesExhausted);
if let PendingOutboundPayment::Abandoned { payment_hash, reason, .. } = pmt {
pending_events.lock().unwrap().push_back((events::Event::PaymentFailed {
pub(super) fn needs_abandon(&self) -> bool {
let outbounds = self.pending_outbound_payments.lock().unwrap();
outbounds.iter().any(|(_, pmt)|
- !pmt.is_auto_retryable_now() && pmt.remaining_parts() == 0 && !pmt.is_fulfilled())
+ !pmt.is_auto_retryable_now() && pmt.remaining_parts() == 0 && !pmt.is_fulfilled() &&
+ !pmt.is_awaiting_invoice())
}
/// Errors immediately on [`RetryableSendFailure`] error conditions. Otherwise, further errors may
{
#[cfg(feature = "std")] {
if has_expired(&route_params) {
+ log_error!(logger, "Payment with id {} and hash {} had expired before we started paying",
+ payment_id, payment_hash);
return Err(RetryableSendFailure::PaymentExpired)
}
}
&node_signer.get_node_id(Recipient::Node).unwrap(), &route_params,
Some(&first_hops.iter().collect::<Vec<_>>()), inflight_htlcs(),
payment_hash, payment_id,
- ).map_err(|_| RetryableSendFailure::RouteNotFound)?;
+ ).map_err(|_| {
+ log_error!(logger, "Failed to find route for payment with id {} and hash {}",
+ payment_id, payment_hash);
+ RetryableSendFailure::RouteNotFound
+ })?;
let onion_session_privs = self.add_new_pending_payment(payment_hash,
recipient_onion.clone(), payment_id, keysend_preimage, &route, Some(retry_strategy),
Some(route_params.payment_params.clone()), entropy_source, best_block_height)
- .map_err(|_| RetryableSendFailure::DuplicatePayment)?;
+ .map_err(|_| {
+ log_error!(logger, "Payment with id {} is already pending. New payment had payment hash {}",
+ payment_id, payment_hash);
+ RetryableSendFailure::DuplicatePayment
+ })?;
let res = self.pay_route_internal(&route, payment_hash, recipient_onion, keysend_preimage, payment_id, None,
onion_session_privs, node_signer, best_block_height, &send_payment_along_path);
- log_info!(logger, "Result sending payment with id {}: {:?}", log_bytes!(payment_id.0), res);
+ log_info!(logger, "Sending payment with id {} and hash {} returned {:?}",
+ payment_id, payment_hash, res);
if let Err(e) = res {
self.handle_pay_route_err(e, payment_id, payment_hash, route, route_params, router, first_hops, &inflight_htlcs, entropy_source, node_signer, best_block_height, logger, pending_events, &send_payment_along_path);
}
Ok(())
}
- fn retry_payment_internal<R: Deref, NS: Deref, ES: Deref, IH, SP, L: Deref>(
+ fn find_route_and_send_payment<R: Deref, NS: Deref, ES: Deref, IH, SP, L: Deref>(
&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,
{
#[cfg(feature = "std")] {
if has_expired(&route_params) {
- log_error!(logger, "Payment params expired on retry, abandoning payment {}", log_bytes!(payment_id.0));
+ log_error!(logger, "Payment params expired on retry, abandoning payment {}", &payment_id);
self.abandon_payment(payment_id, PaymentFailureReason::PaymentExpired, pending_events);
return
}
) {
Ok(route) => route,
Err(e) => {
- log_error!(logger, "Failed to find a route on retry, abandoning payment {}: {:#?}", log_bytes!(payment_id.0), e);
+ log_error!(logger, "Failed to find a route on retry, abandoning payment {}: {:#?}", &payment_id, e);
self.abandon_payment(payment_id, PaymentFailureReason::RouteNotFound, pending_events);
return
}
}
}
- const RETRY_OVERFLOW_PERCENTAGE: u64 = 10;
- let mut onion_session_privs = Vec::with_capacity(route.paths.len());
- for _ in 0..route.paths.len() {
- onion_session_privs.push(entropy_source.get_secure_random_bytes());
- }
-
macro_rules! abandon_with_entry {
($payment: expr, $reason: expr) => {
$payment.get_mut().mark_abandoned($reason);
}
}
}
- let (total_msat, recipient_onion, keysend_preimage) = {
+ let (total_msat, recipient_onion, keysend_preimage, onion_session_privs) = {
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() {
+ match payment.get() {
PendingOutboundPayment::Retryable {
- total_msat, keysend_preimage, payment_secret, payment_metadata, pending_amt_msat, ..
+ total_msat, keysend_preimage, payment_secret, payment_metadata,
+ custom_tlvs, pending_amt_msat, ..
} => {
+ const RETRY_OVERFLOW_PERCENTAGE: u64 = 10;
let retry_amt_msat = route.get_total_amount();
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);
abandon_with_entry!(payment, PaymentFailureReason::UnexpectedError);
return
}
- (*total_msat, RecipientOnionFields {
- payment_secret: *payment_secret,
- payment_metadata: payment_metadata.clone(),
- }, *keysend_preimage)
+
+ if !payment.get().is_retryable_now() {
+ log_error!(logger, "Retries exhausted for payment id {}", &payment_id);
+ abandon_with_entry!(payment, PaymentFailureReason::RetriesExhausted);
+ return
+ }
+
+ let total_msat = *total_msat;
+ let recipient_onion = RecipientOnionFields {
+ payment_secret: *payment_secret,
+ payment_metadata: payment_metadata.clone(),
+ custom_tlvs: custom_tlvs.clone(),
+ };
+ let keysend_preimage = *keysend_preimage;
+
+ let mut onion_session_privs = Vec::with_capacity(route.paths.len());
+ for _ in 0..route.paths.len() {
+ onion_session_privs.push(entropy_source.get_secure_random_bytes());
+ }
+
+ for (path, session_priv_bytes) in route.paths.iter().zip(onion_session_privs.iter()) {
+ assert!(payment.get_mut().insert(*session_priv_bytes, path));
+ }
+
+ payment.get_mut().increment_attempts();
+
+ (total_msat, recipient_onion, keysend_preimage, onion_session_privs)
},
PendingOutboundPayment::Legacy { .. } => {
log_error!(logger, "Unable to retry payments that were initially sent on LDK versions prior to 0.0.102");
return
},
+ PendingOutboundPayment::AwaitingInvoice { .. } => {
+ log_error!(logger, "Payment not yet sent");
+ return
+ },
+ PendingOutboundPayment::InvoiceReceived { payment_hash } => {
+ let total_amount = route_params.final_value_msat;
+ let recipient_onion = RecipientOnionFields {
+ payment_secret: None,
+ payment_metadata: None,
+ custom_tlvs: vec![],
+ };
+ let retry_strategy = Some(BOLT_12_INVOICE_RETRY_STRATEGY);
+ let payment_params = Some(route_params.payment_params.clone());
+ let (retryable_payment, onion_session_privs) = self.create_pending_payment(
+ *payment_hash, recipient_onion.clone(), None, &route,
+ retry_strategy, payment_params, entropy_source, best_block_height
+ );
+ *payment.into_mut() = retryable_payment;
+ (total_amount, recipient_onion, None, onion_session_privs)
+ },
PendingOutboundPayment::Fulfilled { .. } => {
log_error!(logger, "Payment already completed");
return
log_error!(logger, "Payment already abandoned (with some HTLCs still pending)");
return
},
- };
- if !payment.get().is_retryable_now() {
- log_error!(logger, "Retries exhausted for payment id {}", log_bytes!(payment_id.0));
- abandon_with_entry!(payment, PaymentFailureReason::RetriesExhausted);
- return
- }
- payment.get_mut().increment_attempts();
- for (path, session_priv_bytes) in route.paths.iter().zip(onion_session_privs.iter()) {
- assert!(payment.get_mut().insert(*session_priv_bytes, path));
}
- res
},
hash_map::Entry::Vacant(_) => {
- log_error!(logger, "Payment with ID {} not found", log_bytes!(payment_id.0));
+ log_error!(logger, "Payment with ID {} not found", &payment_id);
return
}
}
let res = self.pay_route_internal(&route, payment_hash, recipient_onion, keysend_preimage,
payment_id, Some(total_msat), onion_session_privs, node_signer, best_block_height,
&send_payment_along_path);
- log_info!(logger, "Result retrying payment id {}: {:?}", log_bytes!(payment_id.0), res);
+ log_info!(logger, "Result retrying payment id {}: {:?}", &payment_id, res);
if let Err(e) = res {
self.handle_pay_route_err(e, payment_id, payment_hash, route, route_params, router, first_hops, inflight_htlcs, entropy_source, node_signer, best_block_height, logger, pending_events, send_payment_along_path);
}
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)), logger, pending_events);
- 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);
+ self.find_route_and_send_payment(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(), logger, 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_hash, payment_id, retry, router, first_hops, inflight_htlcs, entropy_source, node_signer, best_block_height, logger, pending_events, send_payment_along_path);
+ self.find_route_and_send_payment(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
}))
}
- let route = Route { paths: vec![path], payment_params: None };
+ let route = Route { paths: vec![path], route_params: None };
let onion_session_privs = self.add_new_pending_payment(payment_hash,
RecipientOnionFields::spontaneous_empty(), payment_id, None, &route, None, None,
entropy_source, best_block_height)?;
keysend_preimage: Option<PaymentPreimage>, route: &Route, retry_strategy: Option<Retry>,
payment_params: Option<PaymentParameters>, entropy_source: &ES, best_block_height: u32
) -> Result<Vec<[u8; 32]>, PaymentSendFailure> where ES::Target: EntropySource {
+ let mut pending_outbounds = self.pending_outbound_payments.lock().unwrap();
+ match pending_outbounds.entry(payment_id) {
+ hash_map::Entry::Occupied(_) => Err(PaymentSendFailure::DuplicatePayment),
+ hash_map::Entry::Vacant(entry) => {
+ let (payment, onion_session_privs) = self.create_pending_payment(
+ payment_hash, recipient_onion, keysend_preimage, route, retry_strategy,
+ payment_params, entropy_source, best_block_height
+ );
+ entry.insert(payment);
+ Ok(onion_session_privs)
+ },
+ }
+ }
+
+ fn create_pending_payment<ES: Deref>(
+ &self, payment_hash: PaymentHash, recipient_onion: RecipientOnionFields,
+ keysend_preimage: Option<PaymentPreimage>, route: &Route, retry_strategy: Option<Retry>,
+ payment_params: Option<PaymentParameters>, entropy_source: &ES, best_block_height: u32
+ ) -> (PendingOutboundPayment, Vec<[u8; 32]>)
+ where
+ ES::Target: EntropySource,
+ {
let mut onion_session_privs = Vec::with_capacity(route.paths.len());
for _ in 0..route.paths.len() {
onion_session_privs.push(entropy_source.get_secure_random_bytes());
}
+ let mut payment = PendingOutboundPayment::Retryable {
+ retry_strategy,
+ attempts: PaymentAttempts::new(),
+ payment_params,
+ session_privs: HashSet::new(),
+ pending_amt_msat: 0,
+ pending_fee_msat: Some(0),
+ payment_hash,
+ payment_secret: recipient_onion.payment_secret,
+ payment_metadata: recipient_onion.payment_metadata,
+ keysend_preimage,
+ custom_tlvs: recipient_onion.custom_tlvs,
+ starting_block_height: best_block_height,
+ total_msat: route.get_total_amount(),
+ };
+
+ for (path, session_priv_bytes) in route.paths.iter().zip(onion_session_privs.iter()) {
+ assert!(payment.insert(*session_priv_bytes, path));
+ }
+
+ (payment, onion_session_privs)
+ }
+
+ #[allow(unused)]
+ pub(super) fn add_new_awaiting_invoice(&self, payment_id: PaymentId) -> Result<(), ()> {
let mut pending_outbounds = self.pending_outbound_payments.lock().unwrap();
match pending_outbounds.entry(payment_id) {
- hash_map::Entry::Occupied(_) => Err(PaymentSendFailure::DuplicatePayment),
+ hash_map::Entry::Occupied(_) => Err(()),
hash_map::Entry::Vacant(entry) => {
- let payment = entry.insert(PendingOutboundPayment::Retryable {
- retry_strategy,
- attempts: PaymentAttempts::new(),
- payment_params,
- session_privs: HashSet::new(),
- pending_amt_msat: 0,
- pending_fee_msat: Some(0),
- payment_hash,
- payment_secret: recipient_onion.payment_secret,
- payment_metadata: recipient_onion.payment_metadata,
- keysend_preimage,
- starting_block_height: best_block_height,
- total_msat: route.get_total_amount(),
+ entry.insert(PendingOutboundPayment::AwaitingInvoice {
+ timer_ticks_without_response: 0,
});
- for (path, session_priv_bytes) in route.paths.iter().zip(onion_session_privs.iter()) {
- assert!(payment.insert(*session_priv_bytes, path));
- }
-
- Ok(onion_session_privs)
+ Ok(())
},
}
}
results,
payment_id,
failed_paths_retry: if pending_amt_unsent != 0 {
- if let Some(payment_params) = &route.payment_params {
+ if let Some(payment_params) = route.route_params.as_ref().map(|p| p.payment_params.clone()) {
Some(RouteParameters {
- payment_params: payment_params.clone(),
+ payment_params: payment_params,
final_value_msat: pending_amt_unsent,
})
} else { None }
pub(super) fn claim_htlc<L: Deref>(
&self, payment_id: PaymentId, payment_preimage: PaymentPreimage, session_priv: SecretKey,
- path: Path, from_onchain: bool,
+ path: Path, from_onchain: bool, ev_completion_action: EventCompletionAction,
pending_events: &Mutex<VecDeque<(events::Event, Option<EventCompletionAction>)>>,
logger: &L,
) where L::Target: Logger {
if let hash_map::Entry::Occupied(mut payment) = outbounds.entry(payment_id) {
if !payment.get().is_fulfilled() {
let payment_hash = PaymentHash(Sha256::hash(&payment_preimage.0).into_inner());
+ log_info!(logger, "Payment with id {} and hash {} sent!", payment_id, payment_hash);
let fee_paid_msat = payment.get().get_pending_fee_msat();
pending_events.push_back((events::Event::PaymentSent {
payment_id: Some(payment_id),
payment_preimage,
payment_hash,
fee_paid_msat,
- }, None));
+ }, Some(ev_completion_action.clone())));
payment.get_mut().mark_fulfilled();
}
payment_id,
payment_hash,
path,
- }, None));
+ }, Some(ev_completion_action)));
}
}
} else {
- log_trace!(logger, "Received duplicative fulfill for HTLC with payment_preimage {}", log_bytes!(payment_preimage.0));
+ log_trace!(logger, "Received duplicative fulfill for HTLC with payment_preimage {}", &payment_preimage);
}
}
}
}
- pub(super) fn remove_stale_resolved_payments(&self,
- pending_events: &Mutex<VecDeque<(events::Event, Option<EventCompletionAction>)>>)
+ pub(super) fn remove_stale_payments(
+ &self, pending_events: &Mutex<VecDeque<(events::Event, Option<EventCompletionAction>)>>)
{
- // If an outbound payment was completed, and no pending HTLCs remain, we should remove it
- // from the map. However, if we did that immediately when the last payment HTLC is claimed,
- // this could race the user making a duplicate send_payment call and our idempotency
- // guarantees would be violated. Instead, we wait a few timer ticks to do the actual
- // removal. This should be more than sufficient to ensure the idempotency of any
- // `send_payment` calls that were made at the same time the `PaymentSent` event was being
- // processed.
let mut pending_outbound_payments = self.pending_outbound_payments.lock().unwrap();
- let pending_events = pending_events.lock().unwrap();
+ let mut pending_events = pending_events.lock().unwrap();
pending_outbound_payments.retain(|payment_id, payment| {
+ // If an outbound payment was completed, and no pending HTLCs remain, we should remove it
+ // from the map. However, if we did that immediately when the last payment HTLC is claimed,
+ // this could race the user making a duplicate send_payment call and our idempotency
+ // guarantees would be violated. Instead, we wait a few timer ticks to do the actual
+ // removal. This should be more than sufficient to ensure the idempotency of any
+ // `send_payment` calls that were made at the same time the `PaymentSent` event was being
+ // processed.
if let PendingOutboundPayment::Fulfilled { session_privs, timer_ticks_without_htlcs, .. } = payment {
let mut no_remaining_entries = session_privs.is_empty();
if no_remaining_entries {
*timer_ticks_without_htlcs = 0;
true
}
+ } else if let PendingOutboundPayment::AwaitingInvoice { timer_ticks_without_response, .. } = payment {
+ *timer_ticks_without_response += 1;
+ if *timer_ticks_without_response <= INVOICE_REQUEST_TIMEOUT_TICKS {
+ true
+ } else {
+ pending_events.push_back(
+ (events::Event::InvoiceRequestFailed { payment_id: *payment_id }, None)
+ );
+ false
+ }
} else { true }
});
}
pending_events: &Mutex<VecDeque<(events::Event, Option<EventCompletionAction>)>>, logger: &L,
) -> bool where L::Target: Logger {
#[cfg(test)]
- let (network_update, short_channel_id, payment_retryable, onion_error_code, onion_error_data) = onion_error.decode_onion_failure(secp_ctx, logger, &source);
+ let DecodedOnionFailure {
+ network_update, short_channel_id, payment_retryable, onion_error_code, onion_error_data
+ } = onion_error.decode_onion_failure(secp_ctx, logger, &source);
#[cfg(not(test))]
- let (network_update, short_channel_id, payment_retryable, _, _) = onion_error.decode_onion_failure(secp_ctx, logger, &source);
+ let DecodedOnionFailure { network_update, short_channel_id, payment_retryable } =
+ onion_error.decode_onion_failure(secp_ctx, logger, &source);
let payment_is_probe = payment_is_probe(payment_hash, &payment_id, probing_cookie_secret);
let mut session_priv_bytes = [0; 32];
let mut pending_retry_ev = false;
let attempts_remaining = if let hash_map::Entry::Occupied(mut payment) = outbounds.entry(*payment_id) {
if !payment.get_mut().remove(&session_priv_bytes, Some(&path)) {
- log_trace!(logger, "Received duplicative fail for HTLC with payment_hash {}", log_bytes!(payment_hash.0));
+ log_trace!(logger, "Received duplicative fail for HTLC with payment_hash {}", &payment_hash);
return false
}
if payment.get().is_fulfilled() {
- log_trace!(logger, "Received failure of HTLC with payment_hash {} after payment completion", log_bytes!(payment_hash.0));
+ log_trace!(logger, "Received failure of HTLC with payment_hash {} after payment completion", &payment_hash);
return false
}
let mut is_retryable_now = payment.get().is_auto_retryable_now();
}
is_retryable_now
} else {
- log_trace!(logger, "Received duplicative fail for HTLC with payment_hash {}", log_bytes!(payment_hash.0));
+ log_trace!(logger, "Received duplicative fail for HTLC with payment_hash {}", &payment_hash);
return false
};
core::mem::drop(outbounds);
- log_trace!(logger, "Failing outbound payment HTLC with payment_hash {}", log_bytes!(payment_hash.0));
+ log_trace!(logger, "Failing outbound payment HTLC with payment_hash {}", &payment_hash);
let path_failure = {
if payment_is_probe {
}, None));
payment.remove();
}
+ } else if let PendingOutboundPayment::AwaitingInvoice { .. } = payment.get() {
+ pending_events.lock().unwrap().push_back((events::Event::InvoiceRequestFailed {
+ payment_id,
+ }, None));
+ payment.remove();
}
}
}
(6, total_msat, required),
(7, payment_metadata, option),
(8, pending_amt_msat, required),
+ (9, custom_tlvs, optional_vec),
(10, starting_block_height, required),
(not_written, retry_strategy, (static_value, None)),
(not_written, attempts, (static_value, PaymentAttempts::new())),
(1, reason, option),
(2, payment_hash, required),
},
+ (5, AwaitingInvoice) => {
+ (0, timer_ticks_without_response, required),
+ },
+ (7, InvoiceReceived) => {
+ (0, payment_hash, required),
+ },
);
#[cfg(test)]
use crate::ln::channelmanager::{PaymentId, RecipientOnionFields};
use crate::ln::features::{ChannelFeatures, NodeFeatures};
use crate::ln::msgs::{ErrorAction, LightningError};
- use crate::ln::outbound_payment::{OutboundPayments, Retry, RetryableSendFailure};
+ use crate::ln::outbound_payment::{Bolt12PaymentError, INVOICE_REQUEST_TIMEOUT_TICKS, OutboundPayments, Retry, RetryableSendFailure};
+ use crate::offers::invoice::DEFAULT_RELATIVE_EXPIRY;
+ use crate::offers::offer::OfferBuilder;
+ use crate::offers::test_utils::*;
use crate::routing::gossip::NetworkGraph;
use crate::routing::router::{InFlightHtlcs, Path, PaymentParameters, Route, RouteHop, RouteParameters};
- use crate::sync::{Arc, Mutex};
+ use crate::sync::{Arc, Mutex, RwLock};
use crate::util::errors::APIError;
use crate::util::test_utils;
use alloc::collections::VecDeque;
+ #[test]
+ fn test_recipient_onion_fields_with_custom_tlvs() {
+ let onion_fields = RecipientOnionFields::spontaneous_empty();
+
+ let bad_type_range_tlvs = vec![
+ (0, vec![42]),
+ (1, vec![42; 32]),
+ ];
+ assert!(onion_fields.clone().with_custom_tlvs(bad_type_range_tlvs).is_err());
+
+ let keysend_tlv = vec![
+ (5482373484, vec![42; 32]),
+ ];
+ assert!(onion_fields.clone().with_custom_tlvs(keysend_tlv).is_err());
+
+ let good_tlvs = vec![
+ ((1 << 16) + 1, vec![42]),
+ ((1 << 16) + 3, vec![42; 32]),
+ ];
+ assert!(onion_fields.with_custom_tlvs(good_tlvs).is_ok());
+ }
+
#[test]
#[cfg(feature = "std")]
fn fails_paying_after_expiration() {
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 scorer = RwLock::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);
PublicKey::from_secret_key(&secp_ctx, &SecretKey::from_slice(&[42; 32]).unwrap()),
0
).with_expiry_time(past_expiry_time);
- let expired_route_params = RouteParameters {
- payment_params,
- final_value_msat: 0,
- };
+ let expired_route_params = RouteParameters::from_payment_params_and_value(payment_params, 0);
let pending_events = Mutex::new(VecDeque::new());
if on_retry {
outbound_payments.add_new_pending_payment(PaymentHash([0; 32]), RecipientOnionFields::spontaneous_empty(),
- PaymentId([0; 32]), None, &Route { paths: vec![], payment_params: None },
+ PaymentId([0; 32]), None, &Route { paths: vec![], route_params: None },
Some(Retry::Attempts(1)), Some(expired_route_params.payment_params.clone()),
&&keys_manager, 0).unwrap();
- outbound_payments.retry_payment_internal(
+ outbound_payments.find_route_and_send_payment(
PaymentHash([0; 32]), PaymentId([0; 32]), expired_route_params, &&router, vec![],
&|| InFlightHtlcs::new(), &&keys_manager, &&keys_manager, 0, &&logger, &pending_events,
&|_| Ok(()));
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 scorer = RwLock::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 payment_params = PaymentParameters::from_node_id(
PublicKey::from_secret_key(&secp_ctx, &SecretKey::from_slice(&[42; 32]).unwrap()), 0);
- let route_params = RouteParameters {
- payment_params,
- final_value_msat: 0,
- };
+ let route_params = RouteParameters::from_payment_params_and_value(payment_params, 0);
router.expect_find_route(route_params.clone(),
Err(LightningError { err: String::new(), action: ErrorAction::IgnoreError }));
let pending_events = Mutex::new(VecDeque::new());
if on_retry {
outbound_payments.add_new_pending_payment(PaymentHash([0; 32]), RecipientOnionFields::spontaneous_empty(),
- PaymentId([0; 32]), None, &Route { paths: vec![], payment_params: None },
+ PaymentId([0; 32]), None, &Route { paths: vec![], route_params: None },
Some(Retry::Attempts(1)), Some(route_params.payment_params.clone()),
&&keys_manager, 0).unwrap();
- outbound_payments.retry_payment_internal(
+ outbound_payments.find_route_and_send_payment(
PaymentHash([0; 32]), PaymentId([0; 32]), route_params, &&router, vec![],
&|| InFlightHtlcs::new(), &&keys_manager, &&keys_manager, 0, &&logger, &pending_events,
&|_| Ok(()));
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 scorer = RwLock::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 route_params = RouteParameters::from_payment_params_and_value(payment_params.clone(), 0);
let failed_scid = 42;
let route = Route {
paths: vec![Path { hops: vec![RouteHop {
fee_msat: 0,
cltv_expiry_delta: 0,
}], blinded_tail: None }],
- payment_params: Some(payment_params),
+ route_params: Some(route_params.clone()),
};
router.expect_find_route(route_params.clone(), Ok(route.clone()));
let mut route_params_w_failed_scid = route_params.clone();
} else { panic!("Unexpected event"); }
if let Event::PaymentFailed { .. } = events[1].0 { } else { panic!("Unexpected event"); }
}
+
+ #[test]
+ fn removes_stale_awaiting_invoice() {
+ let pending_events = Mutex::new(VecDeque::new());
+ let outbound_payments = OutboundPayments::new();
+ let payment_id = PaymentId([0; 32]);
+
+ assert!(!outbound_payments.has_pending_payments());
+ assert!(outbound_payments.add_new_awaiting_invoice(payment_id).is_ok());
+ assert!(outbound_payments.has_pending_payments());
+
+ for _ in 0..INVOICE_REQUEST_TIMEOUT_TICKS {
+ outbound_payments.remove_stale_payments(&pending_events);
+ assert!(outbound_payments.has_pending_payments());
+ assert!(pending_events.lock().unwrap().is_empty());
+ }
+
+ outbound_payments.remove_stale_payments(&pending_events);
+ assert!(!outbound_payments.has_pending_payments());
+ assert!(!pending_events.lock().unwrap().is_empty());
+ assert_eq!(
+ pending_events.lock().unwrap().pop_front(),
+ Some((Event::InvoiceRequestFailed { payment_id }, None)),
+ );
+ assert!(pending_events.lock().unwrap().is_empty());
+
+ assert!(outbound_payments.add_new_awaiting_invoice(payment_id).is_ok());
+ assert!(outbound_payments.has_pending_payments());
+
+ assert!(outbound_payments.add_new_awaiting_invoice(payment_id).is_err());
+ }
+
+ #[test]
+ fn removes_abandoned_awaiting_invoice() {
+ let pending_events = Mutex::new(VecDeque::new());
+ let outbound_payments = OutboundPayments::new();
+ let payment_id = PaymentId([0; 32]);
+
+ assert!(!outbound_payments.has_pending_payments());
+ assert!(outbound_payments.add_new_awaiting_invoice(payment_id).is_ok());
+ assert!(outbound_payments.has_pending_payments());
+
+ outbound_payments.abandon_payment(
+ payment_id, PaymentFailureReason::UserAbandoned, &pending_events
+ );
+ assert!(!outbound_payments.has_pending_payments());
+ assert!(!pending_events.lock().unwrap().is_empty());
+ assert_eq!(
+ pending_events.lock().unwrap().pop_front(),
+ Some((Event::InvoiceRequestFailed { payment_id }, None)),
+ );
+ assert!(pending_events.lock().unwrap().is_empty());
+ }
+
+ #[cfg(feature = "std")]
+ #[test]
+ fn fails_sending_payment_for_expired_bolt12_invoice() {
+ let logger = test_utils::TestLogger::new();
+ let network_graph = Arc::new(NetworkGraph::new(Network::Testnet, &logger));
+ let scorer = RwLock::new(test_utils::TestScorer::new());
+ let router = test_utils::TestRouter::new(network_graph, &scorer);
+ let keys_manager = test_utils::TestKeysInterface::new(&[0; 32], Network::Testnet);
+
+ let pending_events = Mutex::new(VecDeque::new());
+ let outbound_payments = OutboundPayments::new();
+ let payment_id = PaymentId([0; 32]);
+
+ assert!(outbound_payments.add_new_awaiting_invoice(payment_id).is_ok());
+ assert!(outbound_payments.has_pending_payments());
+
+ let created_at = now() - DEFAULT_RELATIVE_EXPIRY;
+ let invoice = OfferBuilder::new("foo".into(), recipient_pubkey())
+ .amount_msats(1000)
+ .build().unwrap()
+ .request_invoice(vec![1; 32], payer_pubkey()).unwrap()
+ .build().unwrap()
+ .sign(payer_sign).unwrap()
+ .respond_with_no_std(payment_paths(), payment_hash(), created_at).unwrap()
+ .build().unwrap()
+ .sign(recipient_sign).unwrap();
+
+ assert_eq!(
+ outbound_payments.send_payment_for_bolt12_invoice(
+ &invoice, payment_id, &&router, vec![], || InFlightHtlcs::new(), &&keys_manager,
+ &&keys_manager, 0, &&logger, &pending_events, |_| panic!()
+ ),
+ Ok(()),
+ );
+ assert!(!outbound_payments.has_pending_payments());
+
+ let payment_hash = invoice.payment_hash();
+ let reason = Some(PaymentFailureReason::PaymentExpired);
+
+ assert!(!pending_events.lock().unwrap().is_empty());
+ assert_eq!(
+ pending_events.lock().unwrap().pop_front(),
+ Some((Event::PaymentFailed { payment_id, payment_hash, reason }, None)),
+ );
+ assert!(pending_events.lock().unwrap().is_empty());
+ }
+
+ #[test]
+ fn fails_finding_route_for_bolt12_invoice() {
+ let logger = test_utils::TestLogger::new();
+ let network_graph = Arc::new(NetworkGraph::new(Network::Testnet, &logger));
+ let scorer = RwLock::new(test_utils::TestScorer::new());
+ let router = test_utils::TestRouter::new(network_graph, &scorer);
+ let keys_manager = test_utils::TestKeysInterface::new(&[0; 32], Network::Testnet);
+
+ let pending_events = Mutex::new(VecDeque::new());
+ let outbound_payments = OutboundPayments::new();
+ let payment_id = PaymentId([0; 32]);
+
+ assert!(outbound_payments.add_new_awaiting_invoice(payment_id).is_ok());
+ assert!(outbound_payments.has_pending_payments());
+
+ let invoice = OfferBuilder::new("foo".into(), recipient_pubkey())
+ .amount_msats(1000)
+ .build().unwrap()
+ .request_invoice(vec![1; 32], payer_pubkey()).unwrap()
+ .build().unwrap()
+ .sign(payer_sign).unwrap()
+ .respond_with_no_std(payment_paths(), payment_hash(), now()).unwrap()
+ .build().unwrap()
+ .sign(recipient_sign).unwrap();
+
+ router.expect_find_route(
+ RouteParameters {
+ payment_params: PaymentParameters::from_bolt12_invoice(&invoice),
+ final_value_msat: invoice.amount_msats(),
+ },
+ Err(LightningError { err: String::new(), action: ErrorAction::IgnoreError }),
+ );
+
+ assert_eq!(
+ outbound_payments.send_payment_for_bolt12_invoice(
+ &invoice, payment_id, &&router, vec![], || InFlightHtlcs::new(), &&keys_manager,
+ &&keys_manager, 0, &&logger, &pending_events, |_| panic!()
+ ),
+ Ok(()),
+ );
+ assert!(!outbound_payments.has_pending_payments());
+
+ let payment_hash = invoice.payment_hash();
+ let reason = Some(PaymentFailureReason::RouteNotFound);
+
+ assert!(!pending_events.lock().unwrap().is_empty());
+ assert_eq!(
+ pending_events.lock().unwrap().pop_front(),
+ Some((Event::PaymentFailed { payment_id, payment_hash, reason }, None)),
+ );
+ assert!(pending_events.lock().unwrap().is_empty());
+ }
+
+ #[test]
+ fn fails_paying_for_bolt12_invoice() {
+ let logger = test_utils::TestLogger::new();
+ let network_graph = Arc::new(NetworkGraph::new(Network::Testnet, &logger));
+ let scorer = RwLock::new(test_utils::TestScorer::new());
+ let router = test_utils::TestRouter::new(network_graph, &scorer);
+ let keys_manager = test_utils::TestKeysInterface::new(&[0; 32], Network::Testnet);
+
+ let pending_events = Mutex::new(VecDeque::new());
+ let outbound_payments = OutboundPayments::new();
+ let payment_id = PaymentId([0; 32]);
+
+ assert!(outbound_payments.add_new_awaiting_invoice(payment_id).is_ok());
+ assert!(outbound_payments.has_pending_payments());
+
+ let invoice = OfferBuilder::new("foo".into(), recipient_pubkey())
+ .amount_msats(1000)
+ .build().unwrap()
+ .request_invoice(vec![1; 32], payer_pubkey()).unwrap()
+ .build().unwrap()
+ .sign(payer_sign).unwrap()
+ .respond_with_no_std(payment_paths(), payment_hash(), now()).unwrap()
+ .build().unwrap()
+ .sign(recipient_sign).unwrap();
+
+ let route_params = RouteParameters {
+ payment_params: PaymentParameters::from_bolt12_invoice(&invoice),
+ final_value_msat: invoice.amount_msats(),
+ };
+ router.expect_find_route(
+ route_params.clone(), Ok(Route { paths: vec![], route_params: Some(route_params) })
+ );
+
+ assert_eq!(
+ outbound_payments.send_payment_for_bolt12_invoice(
+ &invoice, payment_id, &&router, vec![], || InFlightHtlcs::new(), &&keys_manager,
+ &&keys_manager, 0, &&logger, &pending_events, |_| panic!()
+ ),
+ Ok(()),
+ );
+ assert!(!outbound_payments.has_pending_payments());
+
+ let payment_hash = invoice.payment_hash();
+ let reason = Some(PaymentFailureReason::UnexpectedError);
+
+ assert!(!pending_events.lock().unwrap().is_empty());
+ assert_eq!(
+ pending_events.lock().unwrap().pop_front(),
+ Some((Event::PaymentFailed { payment_id, payment_hash, reason }, None)),
+ );
+ assert!(pending_events.lock().unwrap().is_empty());
+ }
+
+ #[test]
+ fn sends_payment_for_bolt12_invoice() {
+ let logger = test_utils::TestLogger::new();
+ let network_graph = Arc::new(NetworkGraph::new(Network::Testnet, &logger));
+ let scorer = RwLock::new(test_utils::TestScorer::new());
+ let router = test_utils::TestRouter::new(network_graph, &scorer);
+ let keys_manager = test_utils::TestKeysInterface::new(&[0; 32], Network::Testnet);
+
+ let pending_events = Mutex::new(VecDeque::new());
+ let outbound_payments = OutboundPayments::new();
+ let payment_id = PaymentId([0; 32]);
+
+ let invoice = OfferBuilder::new("foo".into(), recipient_pubkey())
+ .amount_msats(1000)
+ .build().unwrap()
+ .request_invoice(vec![1; 32], payer_pubkey()).unwrap()
+ .build().unwrap()
+ .sign(payer_sign).unwrap()
+ .respond_with_no_std(payment_paths(), payment_hash(), now()).unwrap()
+ .build().unwrap()
+ .sign(recipient_sign).unwrap();
+
+ let route_params = RouteParameters {
+ payment_params: PaymentParameters::from_bolt12_invoice(&invoice),
+ final_value_msat: invoice.amount_msats(),
+ };
+ router.expect_find_route(
+ route_params.clone(),
+ Ok(Route {
+ paths: vec![
+ Path {
+ hops: vec![
+ RouteHop {
+ pubkey: recipient_pubkey(),
+ node_features: NodeFeatures::empty(),
+ short_channel_id: 42,
+ channel_features: ChannelFeatures::empty(),
+ fee_msat: invoice.amount_msats(),
+ cltv_expiry_delta: 0,
+ }
+ ],
+ blinded_tail: None,
+ }
+ ],
+ route_params: Some(route_params),
+ })
+ );
+
+ assert!(!outbound_payments.has_pending_payments());
+ assert_eq!(
+ outbound_payments.send_payment_for_bolt12_invoice(
+ &invoice, payment_id, &&router, vec![], || InFlightHtlcs::new(), &&keys_manager,
+ &&keys_manager, 0, &&logger, &pending_events, |_| panic!()
+ ),
+ Err(Bolt12PaymentError::UnexpectedInvoice),
+ );
+ assert!(!outbound_payments.has_pending_payments());
+ assert!(pending_events.lock().unwrap().is_empty());
+
+ assert!(outbound_payments.add_new_awaiting_invoice(payment_id).is_ok());
+ assert!(outbound_payments.has_pending_payments());
+
+ assert_eq!(
+ outbound_payments.send_payment_for_bolt12_invoice(
+ &invoice, payment_id, &&router, vec![], || InFlightHtlcs::new(), &&keys_manager,
+ &&keys_manager, 0, &&logger, &pending_events, |_| Ok(())
+ ),
+ Ok(()),
+ );
+ assert!(outbound_payments.has_pending_payments());
+ assert!(pending_events.lock().unwrap().is_empty());
+
+ assert_eq!(
+ outbound_payments.send_payment_for_bolt12_invoice(
+ &invoice, payment_id, &&router, vec![], || InFlightHtlcs::new(), &&keys_manager,
+ &&keys_manager, 0, &&logger, &pending_events, |_| panic!()
+ ),
+ Err(Bolt12PaymentError::DuplicateInvoice),
+ );
+ assert!(outbound_payments.has_pending_payments());
+ assert!(pending_events.lock().unwrap().is_empty());
+ }
}