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::routing::router::{InFlightHtlcs, Path, PaymentParameters, Route, RouteParameters, Router};
+use crate::ln::types::{PaymentHash, PaymentPreimage, PaymentSecret};
+use crate::ln::channelmanager::{ChannelDetails, EventCompletionAction, HTLCSource, PaymentId};
+use crate::ln::onion_utils;
+use crate::ln::onion_utils::{DecodedOnionFailure, HTLCFailReason};
+use crate::offers::invoice::Bolt12Invoice;
+use crate::routing::router::{BlindedTail, InFlightHtlcs, Path, PaymentParameters, Route, RouteParameters, Router};
use crate::util::errors::APIError;
use crate::util::logger::Logger;
use crate::util::time::Time;
-#[cfg(all(not(feature = "no-std"), test))]
+#[cfg(all(feature = "std", test))]
use crate::util::time::tests::SinceEpoch;
use crate::util::ser::ReadableArgs;
use core::fmt::{self, Display, Formatter};
use core::ops::Deref;
+use core::time::Duration;
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;
+
/// 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 {
+ expiration: StaleExpiration,
+ retry_strategy: Retry,
+ max_total_routing_fee_msat: Option<u64>,
+ },
+ InvoiceReceived {
+ payment_hash: PaymentHash,
+ retry_strategy: Retry,
+ // Note this field is currently just replicated from AwaitingInvoice but not actually
+ // used anywhere.
+ max_total_routing_fee_msat: Option<u64>,
+ },
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>,
total_msat: u64,
/// Our best known block height at the time this payment was initiated.
starting_block_height: u32,
+ remaining_max_total_routing_fee_msat: Option<u64>,
},
/// When a pending payment is fulfilled, we continue tracking it until all pending HTLCs have
/// been resolved. This ensures we don't look up pending payments in ChannelMonitors on restart
params.previously_failed_channels.push(scid);
}
}
+ pub fn insert_previously_failed_blinded_path(&mut self, blinded_tail: &BlindedTail) {
+ if let PendingOutboundPayment::Retryable { payment_params: Some(params), .. } = self {
+ params.insert_previously_failed_blinded_path(blinded_tail);
+ }
+ }
+ 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),
}
fn mark_fulfilled(&mut self) {
- let mut session_privs = HashSet::new();
+ let mut session_privs = new_hash_set();
core::mem::swap(&mut session_privs, match self {
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 };
fn mark_abandoned(&mut self, reason: PaymentFailureReason) {
if let PendingOutboundPayment::Retryable { session_privs, payment_hash, .. } = self {
- let mut our_session_privs = HashSet::new();
+ let mut our_session_privs = new_hash_set();
core::mem::swap(&mut our_session_privs, session_privs);
*self = PendingOutboundPayment::Abandoned {
session_privs: our_session_privs,
payment_hash: *payment_hash,
reason: Some(reason)
};
+ } else if let PendingOutboundPayment::InvoiceReceived { payment_hash, .. } = self {
+ *self = PendingOutboundPayment::Abandoned {
+ session_privs: new_hash_set(),
+ 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 {
- let path = path.expect("Fulfilling a payment should always come with a path");
+ if let PendingOutboundPayment::Retryable {
+ ref mut pending_amt_msat, ref mut pending_fee_msat,
+ ref mut remaining_max_total_routing_fee_msat, ..
+ } = self {
+ let path = path.expect("Removing a failed payment should always come with a path");
*pending_amt_msat -= path.final_value_msat();
+ let path_fee_msat = path.fee_msat();
if let Some(fee_msat) = pending_fee_msat.as_mut() {
- *fee_msat -= path.fee_msat();
+ *fee_msat -= path_fee_msat;
+ }
+
+ if let Some(max_total_routing_fee_msat) = remaining_max_total_routing_fee_msat.as_mut() {
+ *max_total_routing_fee_msat = max_total_routing_fee_msat.saturating_add(path_fee_msat);
}
}
}
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,
};
if insert_res {
- if let PendingOutboundPayment::Retryable { ref mut pending_amt_msat, ref mut pending_fee_msat, .. } = self {
- *pending_amt_msat += path.final_value_msat();
- if let Some(fee_msat) = pending_fee_msat.as_mut() {
- *fee_msat += path.fee_msat();
- }
+ if let PendingOutboundPayment::Retryable {
+ ref mut pending_amt_msat, ref mut pending_fee_msat,
+ ref mut remaining_max_total_routing_fee_msat, ..
+ } = self {
+ *pending_amt_msat += path.final_value_msat();
+ let path_fee_msat = path.fee_msat();
+ if let Some(fee_msat) = pending_fee_msat.as_mut() {
+ *fee_msat += path_fee_msat;
+ }
+
+ if let Some(max_total_routing_fee_msat) = remaining_max_total_routing_fee_msat.as_mut() {
+ *max_total_routing_fee_msat = max_total_routing_fee_msat.saturating_sub(path_fee_msat);
+ }
}
}
insert_res
PendingOutboundPayment::Fulfilled { session_privs, .. } |
PendingOutboundPayment::Abandoned { session_privs, .. } => {
session_privs.len()
- }
+ },
+ PendingOutboundPayment::AwaitingInvoice { .. } => 0,
+ PendingOutboundPayment::InvoiceReceived { .. } => 0,
}
}
}
/// 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_with_id`].
- Attempts(usize),
- #[cfg(not(feature = "no-std"))]
+ Attempts(u32),
+ #[cfg(feature = "std")]
/// Time elapsed before abandoning retries for a payment. At least one attempt at payment is made;
/// see [`PaymentParameters::expiry_time`] to avoid any attempt at payment after a specific time.
///
Timeout(core::time::Duration),
}
+#[cfg(not(feature = "std"))]
+impl_writeable_tlv_based_enum!(Retry,
+ ;
+ (0, Attempts)
+);
+
+#[cfg(feature = "std")]
+impl_writeable_tlv_based_enum!(Retry,
+ ;
+ (0, Attempts),
+ (2, Timeout)
+);
+
impl Retry {
pub(crate) fn is_retryable_now(&self, attempts: &PaymentAttempts) -> bool {
match (self, attempts) {
(Retry::Attempts(max_retry_count), PaymentAttempts { count, .. }) => {
max_retry_count > count
},
- #[cfg(all(not(feature = "no-std"), not(test)))]
+ #[cfg(all(feature = "std", not(test)))]
(Retry::Timeout(max_duration), PaymentAttempts { first_attempted_at, .. }) =>
*max_duration >= crate::util::time::MonotonicTime::now().duration_since(*first_attempted_at),
- #[cfg(all(not(feature = "no-std"), test))]
+ #[cfg(all(feature = "std", test))]
(Retry::Timeout(max_duration), PaymentAttempts { first_attempted_at, .. }) =>
*max_duration >= SinceEpoch::now().duration_since(*first_attempted_at),
}
pub(crate) struct PaymentAttemptsUsingTime<T: Time> {
/// This count will be incremented only after the result of the attempt is known. When it's 0,
/// it means the result of the first attempt is not known yet.
- pub(crate) count: usize,
+ pub(crate) count: u32,
/// This field is only used when retry is `Retry::Timeout` which is only build with feature std
- #[cfg(not(feature = "no-std"))]
+ #[cfg(feature = "std")]
first_attempted_at: T,
- #[cfg(feature = "no-std")]
+ #[cfg(not(feature = "std"))]
phantom: core::marker::PhantomData<T>,
}
-#[cfg(not(any(feature = "no-std", test)))]
-type ConfiguredTime = crate::util::time::MonotonicTime;
-#[cfg(feature = "no-std")]
+#[cfg(not(feature = "std"))]
type ConfiguredTime = crate::util::time::Eternity;
-#[cfg(all(not(feature = "no-std"), test))]
+#[cfg(all(feature = "std", not(test)))]
+type ConfiguredTime = crate::util::time::MonotonicTime;
+#[cfg(all(feature = "std", test))]
type ConfiguredTime = SinceEpoch;
impl<T: Time> PaymentAttemptsUsingTime<T> {
pub(crate) fn new() -> Self {
PaymentAttemptsUsingTime {
count: 0,
- #[cfg(not(feature = "no-std"))]
+ #[cfg(feature = "std")]
first_attempted_at: T::now(),
- #[cfg(feature = "no-std")]
+ #[cfg(not(feature = "std"))]
phantom: core::marker::PhantomData,
}
}
impl<T: Time> Display for PaymentAttemptsUsingTime<T> {
fn fmt(&self, f: &mut Formatter) -> Result<(), fmt::Error> {
- #[cfg(feature = "no-std")]
+ #[cfg(not(feature = "std"))]
return write!(f, "attempts: {}", self.count);
- #[cfg(not(feature = "no-std"))]
+ #[cfg(feature = "std")]
return write!(
f,
"attempts: {}, duration: {}s",
}
}
+/// How long before a [`PendingOutboundPayment::AwaitingInvoice`] should be considered stale and
+/// candidate for removal in [`OutboundPayments::remove_stale_payments`].
+#[derive(Clone, Copy)]
+pub(crate) enum StaleExpiration {
+ /// Number of times [`OutboundPayments::remove_stale_payments`] is called.
+ TimerTicks(u64),
+ /// Duration since the Unix epoch.
+ AbsoluteTimeout(core::time::Duration),
+}
+
+impl_writeable_tlv_based_enum!(StaleExpiration,
+ ;
+ (0, TimerTicks),
+ (2, AbsoluteTimeout)
+);
+
/// Indicates an immediate error on [`ChannelManager::send_payment`]. Further errors may be
/// surfaced later via [`Event::PaymentPathFailed`] and [`Event::PaymentFailed`].
///
/// [`Event::PaymentSent`]: crate::events::Event::PaymentSent
/// [`Event::PaymentFailed`]: crate::events::Event::PaymentFailed
DuplicatePayment,
+ /// The [`RecipientOnionFields::payment_metadata`], [`RecipientOnionFields::custom_tlvs`], or
+ /// [`BlindedPath`]s provided are too large and caused us to exceed the maximum onion packet size
+ /// of 1300 bytes.
+ ///
+ /// [`BlindedPath`]: crate::blinded_path::BlindedPath
+ OnionPacketSizeExceeded,
}
/// If a payment fails to send with [`ChannelManager::send_payment_with_route`], it can be in one
/// is in, see the description of individual enum states for more.
///
/// [`ChannelManager::send_payment_with_route`]: crate::ln::channelmanager::ChannelManager::send_payment_with_route
-#[derive(Clone, Debug)]
+#[derive(Clone, Debug, PartialEq, Eq)]
pub enum PaymentSendFailure {
/// A parameter which was passed to send_payment was invalid, preventing us from attempting to
/// send the payment at all.
},
}
+/// 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,
+}
+
+/// Indicates that we failed to send a payment probe. Further errors may be surfaced later via
+/// [`Event::ProbeFailed`].
+///
+/// [`Event::ProbeFailed`]: crate::events::Event::ProbeFailed
+#[derive(Clone, Debug, PartialEq, Eq)]
+pub enum ProbeSendFailure {
+ /// We were unable to find a route to the destination.
+ RouteNotFound,
+ /// We failed to send the payment probes.
+ SendingFailed(PaymentSendFailure),
+}
+
/// 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`].
+ #[cfg(not(c_bindings))]
+ pub fn custom_tlvs(&self) -> &Vec<(u64, Vec<u8>)> {
+ &self.custom_tlvs
+ }
+
+ /// 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`].
+ #[cfg(c_bindings)]
+ pub fn custom_tlvs(&self) -> Vec<(u64, Vec<u8>)> {
+ self.custom_tlvs.clone()
}
/// 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(())
}
}
+/// Arguments for [`super::channelmanager::ChannelManager::send_payment_along_path`].
+pub(super) struct SendAlongPathArgs<'a> {
+ pub path: &'a Path,
+ pub payment_hash: &'a PaymentHash,
+ pub recipient_onion: &'a RecipientOnionFields,
+ pub total_value: u64,
+ pub cur_height: u32,
+ pub payment_id: PaymentId,
+ pub keysend_preimage: &'a Option<PaymentPreimage>,
+ pub session_priv_bytes: [u8; 32],
+}
+
pub(super) struct OutboundPayments {
pub(super) pending_outbound_payments: Mutex<HashMap<PaymentId, PendingOutboundPayment>>,
pub(super) retry_lock: Mutex<()>,
impl OutboundPayments {
pub(super) fn new() -> Self {
Self {
- pending_outbound_payments: Mutex::new(HashMap::new()),
+ pending_outbound_payments: Mutex::new(new_hash_map()),
retry_lock: Mutex::new(()),
}
}
NS::Target: NodeSigner,
L::Target: Logger,
IH: Fn() -> InFlightHtlcs,
- SP: Fn(&Path, &PaymentHash, RecipientOnionFields, u64, u32, PaymentId,
- &Option<PaymentPreimage>, [u8; 32]) -> Result<(), APIError>,
+ SP: Fn(SendAlongPathArgs) -> Result<(), APIError>,
{
self.send_payment_internal(payment_id, payment_hash, recipient_onion, None, retry_strategy,
route_params, router, first_hops, &compute_inflight_htlcs, entropy_source, node_signer,
where
ES::Target: EntropySource,
NS::Target: NodeSigner,
- F: Fn(&Path, &PaymentHash, RecipientOnionFields, u64, u32, PaymentId,
- &Option<PaymentPreimage>, [u8; 32]) -> Result<(), APIError>
+ F: Fn(SendAlongPathArgs) -> Result<(), APIError>
{
let onion_session_privs = self.add_new_pending_payment(payment_hash, recipient_onion.clone(), payment_id, None, route, None, None, entropy_source, best_block_height)?;
- self.pay_route_internal(route, payment_hash, recipient_onion, None, payment_id, None,
+ self.pay_route_internal(route, payment_hash, &recipient_onion, None, payment_id, None,
onion_session_privs, node_signer, best_block_height, &send_payment_along_path)
.map_err(|e| { self.remove_outbound_if_all_failed(payment_id, &e); e })
}
NS::Target: NodeSigner,
L::Target: Logger,
IH: Fn() -> InFlightHtlcs,
- SP: Fn(&Path, &PaymentHash, RecipientOnionFields, u64, u32, PaymentId,
- &Option<PaymentPreimage>, [u8; 32]) -> Result<(), APIError>,
+ SP: Fn(SendAlongPathArgs) -> Result<(), APIError>,
{
let preimage = payment_preimage
.unwrap_or_else(|| PaymentPreimage(entropy_source.get_secure_random_bytes()));
- let payment_hash = PaymentHash(Sha256::hash(&preimage.0).into_inner());
+ let payment_hash = PaymentHash(Sha256::hash(&preimage.0).to_byte_array());
self.send_payment_internal(payment_id, payment_hash, recipient_onion, Some(preimage),
retry_strategy, route_params, router, first_hops, inflight_htlcs, entropy_source,
node_signer, best_block_height, logger, pending_events, send_payment_along_path)
where
ES::Target: EntropySource,
NS::Target: NodeSigner,
- F: Fn(&Path, &PaymentHash, RecipientOnionFields, u64, u32, PaymentId,
- &Option<PaymentPreimage>, [u8; 32]) -> Result<(), APIError>
+ F: Fn(SendAlongPathArgs) -> Result<(), APIError>,
{
let preimage = payment_preimage
.unwrap_or_else(|| PaymentPreimage(entropy_source.get_secure_random_bytes()));
- let payment_hash = PaymentHash(Sha256::hash(&preimage.0).into_inner());
+ let payment_hash = PaymentHash(Sha256::hash(&preimage.0).to_byte_array());
let onion_session_privs = self.add_new_pending_payment(payment_hash, recipient_onion.clone(),
payment_id, Some(preimage), &route, None, None, entropy_source, best_block_height)?;
- match self.pay_route_internal(route, payment_hash, recipient_onion, Some(preimage),
+ match self.pay_route_internal(route, payment_hash, &recipient_onion, Some(preimage),
payment_id, None, onion_session_privs, node_signer, best_block_height, &send_payment_along_path
) {
Ok(()) => Ok(payment_hash),
}
}
+ 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();
+ let max_total_routing_fee_msat;
+ match self.pending_outbound_payments.lock().unwrap().entry(payment_id) {
+ hash_map::Entry::Occupied(entry) => match entry.get() {
+ PendingOutboundPayment::AwaitingInvoice { retry_strategy, max_total_routing_fee_msat: max_total_fee, .. } => {
+ max_total_routing_fee_msat = *max_total_fee;
+ *entry.into_mut() = PendingOutboundPayment::InvoiceReceived {
+ payment_hash,
+ retry_strategy: *retry_strategy,
+ max_total_routing_fee_msat,
+ };
+ },
+ _ => return Err(Bolt12PaymentError::DuplicateInvoice),
+ },
+ hash_map::Entry::Vacant(_) => return Err(Bolt12PaymentError::UnexpectedInvoice),
+ };
+
+ let pay_params = PaymentParameters::from_bolt12_invoice(&invoice);
+ let amount_msat = invoice.amount_msats();
+ let mut route_params = RouteParameters::from_payment_params_and_value(pay_params, amount_msat);
+ if let Some(max_fee_msat) = max_total_routing_fee_msat {
+ route_params.max_total_routing_fee_msat = Some(max_fee_msat);
+ }
+
+ 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,
R::Target: Router,
ES::Target: EntropySource,
NS::Target: NodeSigner,
- SP: Fn(&Path, &PaymentHash, RecipientOnionFields, u64, u32, PaymentId,
- &Option<PaymentPreimage>, [u8; 32]) -> Result<(), APIError>,
+ SP: Fn(SendAlongPathArgs) -> Result<(), APIError>,
IH: Fn() -> InFlightHtlcs,
FH: Fn() -> Vec<ChannelDetails>,
L::Target: Logger,
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), payment_hash, .. } = pmt {
+ if let PendingOutboundPayment::Retryable { pending_amt_msat, total_msat, payment_params: Some(params), payment_hash, remaining_max_total_routing_fee_msat, .. } = pmt {
if pending_amt_msat < total_msat {
retry_id_route_params = Some((*payment_hash, *pmt_id, RouteParameters {
final_value_msat: *total_msat - *pending_amt_msat,
payment_params: params.clone(),
+ max_total_routing_fee_msat: *remaining_max_total_routing_fee_msat,
}));
break
}
}
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
/// [`Event::PaymentFailed`]: crate::events::Event::PaymentFailed
fn send_payment_internal<R: Deref, NS: Deref, ES: Deref, IH, SP, L: Deref>(
&self, payment_id: PaymentId, payment_hash: PaymentHash, recipient_onion: RecipientOnionFields,
- keysend_preimage: Option<PaymentPreimage>, retry_strategy: Retry, route_params: RouteParameters,
+ keysend_preimage: Option<PaymentPreimage>, retry_strategy: Retry, mut 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<VecDeque<(events::Event, Option<EventCompletionAction>)>>, send_payment_along_path: SP,
NS::Target: NodeSigner,
L::Target: Logger,
IH: Fn() -> InFlightHtlcs,
- SP: Fn(&Path, &PaymentHash, RecipientOnionFields, u64, u32, PaymentId,
- &Option<PaymentPreimage>, [u8; 32]) -> Result<(), APIError>
+ SP: Fn(SendAlongPathArgs) -> Result<(), APIError>,
{
#[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)
}
}
- let route = router.find_route_with_id(
+ onion_utils::set_max_path_length(
+ &mut route_params, &recipient_onion, keysend_preimage, best_block_height
+ )
+ .map_err(|()| {
+ log_error!(logger, "Can't construct an onion packet without exceeding 1300-byte onion \
+ hop_data length for payment with id {} and hash {}", payment_id, payment_hash);
+ RetryableSendFailure::OnionPacketSizeExceeded
+ })?;
+
+ let mut 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)?;
+ ).map_err(|_| {
+ log_error!(logger, "Failed to find route for payment with id {} and hash {}",
+ payment_id, payment_hash);
+ RetryableSendFailure::RouteNotFound
+ })?;
+
+ if route.route_params.as_ref() != Some(&route_params) {
+ debug_assert!(false,
+ "Routers are expected to return a Route which includes the requested RouteParameters");
+ route.route_params = Some(route_params.clone());
+ }
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)?;
-
- let res = self.pay_route_internal(&route, payment_hash, recipient_onion, None, 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);
+ .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, "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,
NS::Target: NodeSigner,
L::Target: Logger,
IH: Fn() -> InFlightHtlcs,
- SP: Fn(&Path, &PaymentHash, RecipientOnionFields, u64, u32, PaymentId,
- &Option<PaymentPreimage>, [u8; 32]) -> Result<(), APIError>
+ SP: Fn(SendAlongPathArgs) -> Result<(), APIError>,
{
#[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
}
}
- let route = match router.find_route_with_id(
+ let mut 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) => {
- 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
}
};
+
+ if route.route_params.as_ref() != Some(&route_params) {
+ debug_assert!(false,
+ "Routers are expected to return a Route which includes the requested RouteParameters");
+ route.route_params = Some(route_params.clone());
+ }
+
for path in route.paths.iter() {
if path.hops.len() == 0 {
log_error!(logger, "Unusable path in route (path.hops.len() must be at least 1");
}
}
- 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, retry_strategy, .. } => {
+ 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(*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,
+ 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);
}
NS::Target: NodeSigner,
L::Target: Logger,
IH: Fn() -> InFlightHtlcs,
- SP: Fn(&Path, &PaymentHash, RecipientOnionFields, u64, u32, PaymentId,
- &Option<PaymentPreimage>, [u8; 32]) -> Result<(), APIError>
+ SP: Fn(SendAlongPathArgs) -> Result<(), APIError>,
{
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
where
ES::Target: EntropySource,
NS::Target: NodeSigner,
- F: Fn(&Path, &PaymentHash, RecipientOnionFields, u64, u32, PaymentId,
- &Option<PaymentPreimage>, [u8; 32]) -> Result<(), APIError>
+ F: Fn(SendAlongPathArgs) -> Result<(), APIError>,
{
let payment_id = PaymentId(entropy_source.get_secure_random_bytes());
+ let payment_secret = PaymentSecret(entropy_source.get_secure_random_bytes());
let payment_hash = probing_cookie_from_id(&payment_id, probing_cookie_secret);
}))
}
- 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,
+ RecipientOnionFields::secret_only(payment_secret), payment_id, None, &route, None, None,
entropy_source, best_block_height)?;
- match self.pay_route_internal(&route, payment_hash, RecipientOnionFields::spontaneous_empty(),
+ let recipient_onion_fields = RecipientOnionFields::spontaneous_empty();
+ match self.pay_route_internal(&route, payment_hash, &recipient_onion_fields,
None, payment_id, None, onion_session_privs, node_signer, best_block_height, &send_payment_along_path
) {
Ok(()) => Ok((payment_hash, payment_id)),
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: new_hash_set(),
+ 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(),
+ remaining_max_total_routing_fee_msat:
+ route.route_params.as_ref().and_then(|p| p.max_total_routing_fee_msat),
+ };
+
+ 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)
+ }
+
+ pub(super) fn add_new_awaiting_invoice(
+ &self, payment_id: PaymentId, expiration: StaleExpiration, retry_strategy: Retry,
+ max_total_routing_fee_msat: Option<u64>
+ ) -> 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 {
+ entry.insert(PendingOutboundPayment::AwaitingInvoice {
+ expiration,
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(),
+ max_total_routing_fee_msat,
});
- 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(())
},
}
}
fn pay_route_internal<NS: Deref, F>(
- &self, route: &Route, payment_hash: PaymentHash, recipient_onion: RecipientOnionFields,
+ &self, route: &Route, payment_hash: PaymentHash, recipient_onion: &RecipientOnionFields,
keysend_preimage: Option<PaymentPreimage>, payment_id: PaymentId, recv_value_msat: Option<u64>,
onion_session_privs: Vec<[u8; 32]>, node_signer: &NS, best_block_height: u32,
send_payment_along_path: &F
) -> Result<(), PaymentSendFailure>
where
NS::Target: NodeSigner,
- F: Fn(&Path, &PaymentHash, RecipientOnionFields, u64, u32, PaymentId,
- &Option<PaymentPreimage>, [u8; 32]) -> Result<(), APIError>
+ F: Fn(SendAlongPathArgs) -> Result<(), APIError>,
{
if route.paths.len() < 1 {
return Err(PaymentSendFailure::ParameterError(APIError::InvalidRoute{err: "There must be at least one path to send over".to_owned()}));
}
- if recipient_onion.payment_secret.is_none() && route.paths.len() > 1 {
+ if recipient_onion.payment_secret.is_none() && route.paths.len() > 1
+ && !route.paths.iter().any(|p| p.blinded_tail.is_some())
+ {
return Err(PaymentSendFailure::ParameterError(APIError::APIMisuseError{err: "Payment secret is required for multi-path payments".to_owned()}));
}
let mut total_value = 0;
path_errs.push(Err(APIError::InvalidRoute{err: "Path didn't go anywhere/had bogus size".to_owned()}));
continue 'path_check;
}
- if path.blinded_tail.is_some() {
- path_errs.push(Err(APIError::InvalidRoute{err: "Sending to blinded paths isn't supported yet".to_owned()}));
- continue 'path_check;
- }
let dest_hop_idx = if path.blinded_tail.is_some() && path.blinded_tail.as_ref().unwrap().hops.len() > 1 {
usize::max_value() } else { path.hops.len() - 1 };
for (idx, hop) in path.hops.iter().enumerate() {
continue 'path_check;
}
}
+ for (i, hop) in path.hops.iter().enumerate() {
+ // Check for duplicate channel_id in the remaining hops of the path
+ if path.hops.iter().skip(i + 1).any(|other_hop| other_hop.short_channel_id == hop.short_channel_id) {
+ path_errs.push(Err(APIError::InvalidRoute{err: "Path went through the same channel twice".to_owned()}));
+ continue 'path_check;
+ }
+ }
total_value += path.final_value_msat();
path_errs.push(Ok(()));
}
let cur_height = best_block_height + 1;
let mut results = Vec::new();
debug_assert_eq!(route.paths.len(), onion_session_privs.len());
- for (path, session_priv) in route.paths.iter().zip(onion_session_privs.into_iter()) {
- let mut path_res = send_payment_along_path(&path, &payment_hash, recipient_onion.clone(),
- total_value, cur_height, payment_id, &keysend_preimage, session_priv);
+ for (path, session_priv_bytes) in route.paths.iter().zip(onion_session_privs.into_iter()) {
+ let mut path_res = send_payment_along_path(SendAlongPathArgs {
+ path: &path, payment_hash: &payment_hash, recipient_onion, total_value,
+ cur_height, payment_id, keysend_preimage: &keysend_preimage,
+ session_priv_bytes
+ });
match path_res {
Ok(_) => {},
Err(APIError::MonitorUpdateInProgress) => {
Err(_) => {
let mut pending_outbounds = self.pending_outbound_payments.lock().unwrap();
if let Some(payment) = pending_outbounds.get_mut(&payment_id) {
- let removed = payment.remove(&session_priv, Some(path));
+ let removed = payment.remove(&session_priv_bytes, Some(path));
debug_assert!(removed, "This can't happen as the payment has an entry for this path added by callers");
} else {
debug_assert!(false, "This can't happen as the payment was added by callers");
}
let mut has_ok = false;
let mut has_err = false;
- let mut pending_amt_unsent = 0;
+ let mut has_unsent = false;
+ let mut total_ok_fees_msat = 0;
+ let mut total_ok_amt_sent_msat = 0;
for (res, path) in results.iter().zip(route.paths.iter()) {
- if res.is_ok() { has_ok = true; }
+ if res.is_ok() {
+ has_ok = true;
+ total_ok_fees_msat += path.fee_msat();
+ total_ok_amt_sent_msat += path.final_value_msat();
+ }
if res.is_err() { has_err = true; }
if let &Err(APIError::MonitorUpdateInProgress) = res {
// MonitorUpdateInProgress is inherently unsafe to retry, so we call it a
// PartialFailure.
has_err = true;
has_ok = true;
+ total_ok_fees_msat += path.fee_msat();
+ total_ok_amt_sent_msat += path.final_value_msat();
} else if res.is_err() {
- pending_amt_unsent += path.final_value_msat();
+ has_unsent = true;
}
}
if has_err && has_ok {
Err(PaymentSendFailure::PartialFailure {
results,
payment_id,
- failed_paths_retry: if pending_amt_unsent != 0 {
- if let Some(payment_params) = &route.payment_params {
- Some(RouteParameters {
- payment_params: payment_params.clone(),
- final_value_msat: pending_amt_unsent,
- })
+ failed_paths_retry: if has_unsent {
+ if let Some(route_params) = &route.route_params {
+ let mut route_params = route_params.clone();
+ // We calculate the leftover fee budget we're allowed to spend by
+ // subtracting the used fee from the total fee budget.
+ route_params.max_total_routing_fee_msat = route_params
+ .max_total_routing_fee_msat.map(|m| m.saturating_sub(total_ok_fees_msat));
+
+ // We calculate the remaining target amount by subtracting the succeded
+ // path values.
+ route_params.final_value_msat = route_params.final_value_msat
+ .saturating_sub(total_ok_amt_sent_msat);
+ Some(route_params)
} else { None }
} else { None },
})
) -> Result<(), PaymentSendFailure>
where
NS::Target: NodeSigner,
- F: Fn(&Path, &PaymentHash, RecipientOnionFields, u64, u32, PaymentId,
- &Option<PaymentPreimage>, [u8; 32]) -> Result<(), APIError>
+ F: Fn(SendAlongPathArgs) -> Result<(), APIError>,
{
- self.pay_route_internal(route, payment_hash, recipient_onion, keysend_preimage, payment_id,
- recv_value_msat, onion_session_privs, node_signer, best_block_height,
- &send_payment_along_path)
+ self.pay_route_internal(route, payment_hash, &recipient_onion,
+ keysend_preimage, payment_id, recv_value_msat, onion_session_privs,
+ node_signer, best_block_height, &send_payment_along_path)
.map_err(|e| { self.remove_outbound_if_all_failed(payment_id, &e); e })
}
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 {
let mut pending_events = pending_events.lock().unwrap();
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());
+ let payment_hash = PaymentHash(Sha256::hash(&payment_preimage.0).to_byte_array());
+ 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();
}
// TODO: We should have a second monitor event that informs us of payments
// irrevocably fulfilled.
if payment.get_mut().remove(&session_priv_bytes, Some(&path)) {
- let payment_hash = Some(PaymentHash(Sha256::hash(&payment_preimage.0).into_inner()));
+ let payment_hash = Some(PaymentHash(Sha256::hash(&payment_preimage.0).to_byte_array()));
pending_events.push_back((events::Event::PaymentPathSuccessful {
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,
+ pub(super) fn remove_stale_payments(
+ &self, duration_since_epoch: Duration,
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();
- pending_outbound_payments.retain(|payment_id, payment| {
- if let PendingOutboundPayment::Fulfilled { session_privs, timer_ticks_without_htlcs, .. } = payment {
+ let mut pending_events = pending_events.lock().unwrap();
+ pending_outbound_payments.retain(|payment_id, payment| match 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.
+ PendingOutboundPayment::Fulfilled { session_privs, timer_ticks_without_htlcs, .. } => {
let mut no_remaining_entries = session_privs.is_empty();
if no_remaining_entries {
for (ev, _) in pending_events.iter() {
*timer_ticks_without_htlcs = 0;
true
}
- } else { true }
+ },
+ PendingOutboundPayment::AwaitingInvoice { expiration, .. } => {
+ let is_stale = match expiration {
+ StaleExpiration::AbsoluteTimeout(absolute_expiry) => {
+ *absolute_expiry <= duration_since_epoch
+ },
+ StaleExpiration::TimerTicks(timer_ticks_remaining) => {
+ if *timer_ticks_remaining > 0 {
+ *timer_ticks_remaining -= 1;
+ false
+ } else {
+ true
+ }
+ },
+ };
+ if is_stale {
+ pending_events.push_back(
+ (events::Event::InvoiceRequestFailed { payment_id: *payment_id }, None)
+ );
+ false
+ } else {
+ true
+ }
+ },
+ _ => 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_failed_permanently, onion_error_code,
+ onion_error_data, failed_within_blinded_path
+ } = 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_failed_permanently, failed_within_blinded_path
+ } = 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();
// next-hop is needlessly blaming us!
payment.get_mut().insert_previously_failed_scid(scid);
}
+ if failed_within_blinded_path {
+ debug_assert!(short_channel_id.is_none());
+ if let Some(bt) = &path.blinded_tail {
+ payment.get_mut().insert_previously_failed_blinded_path(&bt);
+ } else { debug_assert!(false); }
+ }
- if payment_is_probe || !is_retryable_now || !payment_retryable {
- let reason = if !payment_retryable {
+ if payment_is_probe || !is_retryable_now || payment_failed_permanently {
+ let reason = if payment_failed_permanently {
PaymentFailureReason::RecipientRejected
} else {
PaymentFailureReason::RetriesExhausted
is_retryable_now = false;
}
if payment.get().remaining_parts() == 0 {
- if let PendingOutboundPayment::Abandoned { payment_hash, reason, .. }= payment.get() {
+ if let PendingOutboundPayment::Abandoned { payment_hash, reason, .. } = payment.get() {
if !payment_is_probe {
full_failure_ev = Some(events::Event::PaymentFailed {
payment_id: *payment_id,
}
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 {
- if !payment_retryable {
+ if payment_failed_permanently {
events::Event::ProbeSuccessful {
payment_id: *payment_id,
payment_hash: payment_hash.clone(),
events::Event::PaymentPathFailed {
payment_id: Some(*payment_id),
payment_hash: payment_hash.clone(),
- payment_failed_permanently: !payment_retryable,
+ payment_failed_permanently,
failure: events::PathFailure::OnPath { network_update },
path: path.clone(),
short_channel_id,
}, None));
payment.remove();
}
+ } else if let PendingOutboundPayment::AwaitingInvoice { .. } = payment.get() {
+ pending_events.lock().unwrap().push_back((events::Event::InvoiceRequestFailed {
+ payment_id,
+ }, None));
+ payment.remove();
}
}
}
let mut preimage = [0u8; 64];
preimage[..32].copy_from_slice(&probing_cookie_secret);
preimage[32..].copy_from_slice(&payment_id.0);
- PaymentHash(Sha256::hash(&preimage).into_inner())
+ PaymentHash(Sha256::hash(&preimage).to_byte_array())
}
impl_writeable_tlv_based_enum_upgradable!(PendingOutboundPayment,
(6, total_msat, required),
(7, payment_metadata, option),
(8, pending_amt_msat, required),
+ (9, custom_tlvs, optional_vec),
(10, starting_block_height, required),
+ (11, remaining_max_total_routing_fee_msat, option),
(not_written, retry_strategy, (static_value, None)),
(not_written, attempts, (static_value, PaymentAttempts::new())),
},
(1, reason, option),
(2, payment_hash, required),
},
+ (5, AwaitingInvoice) => {
+ (0, expiration, required),
+ (2, retry_strategy, required),
+ (4, max_total_routing_fee_msat, option),
+ },
+ (7, InvoiceReceived) => {
+ (0, payment_hash, required),
+ (2, retry_strategy, required),
+ (4, max_total_routing_fee_msat, option),
+ },
);
#[cfg(test)]
mod tests {
- use bitcoin::network::constants::Network;
+ use bitcoin::network::Network;
use bitcoin::secp256k1::{PublicKey, Secp256k1, SecretKey};
+ use core::time::Duration;
+
use crate::events::{Event, PathFailure, PaymentFailureReason};
- use crate::ln::PaymentHash;
+ use crate::ln::types::PaymentHash;
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, OutboundPayments, Retry, RetryableSendFailure, StaleExpiration};
+ #[cfg(feature = "std")]
+ 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 router = test_utils::TestRouter::new(network_graph, &scorer);
+ let scorer = RwLock::new(test_utils::TestScorer::new());
+ let router = test_utils::TestRouter::new(network_graph, &logger, &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(()));
+ &|| 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 { ref reason, .. } = events[0].0 {
let err = outbound_payments.send_payment(
PaymentHash([0; 32]), RecipientOnionFields::spontaneous_empty(), PaymentId([0; 32]),
Retry::Attempts(0), expired_route_params, &&router, vec![], || InFlightHtlcs::new(),
- &&keys_manager, &&keys_manager, 0, &&logger,
- &pending_events, |_, _, _, _, _, _, _, _| Ok(())).unwrap_err();
+ &&keys_manager, &&keys_manager, 0, &&logger, &pending_events, |_| Ok(())).unwrap_err();
if let RetryableSendFailure::PaymentExpired = err { } else { panic!("Unexpected error"); }
}
}
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 scorer = RwLock::new(test_utils::TestScorer::new());
+ let router = test_utils::TestRouter::new(network_graph, &logger, &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(()));
+ &|| 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].0 { } else { panic!("Unexpected event"); }
let err = outbound_payments.send_payment(
PaymentHash([0; 32]), RecipientOnionFields::spontaneous_empty(), PaymentId([0; 32]),
Retry::Attempts(0), route_params, &&router, vec![], || InFlightHtlcs::new(),
- &&keys_manager, &&keys_manager, 0, &&logger,
- &pending_events, |_, _, _, _, _, _, _, _| Ok(())).unwrap_err();
+ &&keys_manager, &&keys_manager, 0, &&logger, &pending_events, |_| Ok(())).unwrap_err();
if let RetryableSendFailure::RouteNotFound = err {
} else { panic!("Unexpected error"); }
}
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 scorer = RwLock::new(test_utils::TestScorer::new());
+ let router = test_utils::TestRouter::new(network_graph, &logger, &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 {
channel_features: ChannelFeatures::empty(),
fee_msat: 0,
cltv_expiry_delta: 0,
+ maybe_announced_channel: true,
}], 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();
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()));
+ let mut route_w_failed_scid = route.clone();
+ route_w_failed_scid.route_params = Some(route_params_w_failed_scid.clone());
+ router.expect_find_route(route_params_w_failed_scid, Ok(route_w_failed_scid));
router.expect_find_route(route_params.clone(), Ok(route.clone()));
router.expect_find_route(route_params.clone(), Ok(route.clone()));
PaymentHash([0; 32]), RecipientOnionFields::spontaneous_empty(), 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();
+ |_| Err(APIError::ChannelUnavailable { err: "test".to_owned() })).unwrap();
let mut events = pending_events.lock().unwrap();
assert_eq!(events.len(), 2);
if let Event::PaymentPathFailed {
PaymentHash([0; 32]), RecipientOnionFields::spontaneous_empty(), 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();
+ |_| Err(APIError::MonitorUpdateInProgress)).unwrap();
assert_eq!(pending_events.lock().unwrap().len(), 0);
// Ensure that any other error will result in a PaymentPathFailed event but no blamed scid.
PaymentHash([0; 32]), RecipientOnionFields::spontaneous_empty(), 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();
+ |_| Err(APIError::APIMisuseError { err: "test".to_owned() })).unwrap();
let events = pending_events.lock().unwrap();
assert_eq!(events.len(), 2);
if let Event::PaymentPathFailed {
} else { panic!("Unexpected event"); }
if let Event::PaymentFailed { .. } = events[1].0 { } else { panic!("Unexpected event"); }
}
+
+ #[test]
+ fn removes_stale_awaiting_invoice_using_absolute_timeout() {
+ let pending_events = Mutex::new(VecDeque::new());
+ let outbound_payments = OutboundPayments::new();
+ let payment_id = PaymentId([0; 32]);
+ let absolute_expiry = 100;
+ let tick_interval = 10;
+ let expiration = StaleExpiration::AbsoluteTimeout(Duration::from_secs(absolute_expiry));
+
+ assert!(!outbound_payments.has_pending_payments());
+ assert!(
+ outbound_payments.add_new_awaiting_invoice(
+ payment_id, expiration, Retry::Attempts(0), None
+ ).is_ok()
+ );
+ assert!(outbound_payments.has_pending_payments());
+
+ for seconds_since_epoch in (0..absolute_expiry).step_by(tick_interval) {
+ let duration_since_epoch = Duration::from_secs(seconds_since_epoch);
+ outbound_payments.remove_stale_payments(duration_since_epoch, &pending_events);
+
+ assert!(outbound_payments.has_pending_payments());
+ assert!(pending_events.lock().unwrap().is_empty());
+ }
+
+ let duration_since_epoch = Duration::from_secs(absolute_expiry);
+ outbound_payments.remove_stale_payments(duration_since_epoch, &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, expiration, Retry::Attempts(0), None
+ ).is_ok()
+ );
+ assert!(outbound_payments.has_pending_payments());
+
+ assert!(
+ outbound_payments.add_new_awaiting_invoice(
+ payment_id, expiration, Retry::Attempts(0), None
+ ).is_err()
+ );
+ }
+
+ #[test]
+ fn removes_stale_awaiting_invoice_using_timer_ticks() {
+ let pending_events = Mutex::new(VecDeque::new());
+ let outbound_payments = OutboundPayments::new();
+ let payment_id = PaymentId([0; 32]);
+ let timer_ticks = 3;
+ let expiration = StaleExpiration::TimerTicks(timer_ticks);
+
+ assert!(!outbound_payments.has_pending_payments());
+ assert!(
+ outbound_payments.add_new_awaiting_invoice(
+ payment_id, expiration, Retry::Attempts(0), None
+ ).is_ok()
+ );
+ assert!(outbound_payments.has_pending_payments());
+
+ for i in 0..timer_ticks {
+ let duration_since_epoch = Duration::from_secs(i * 60);
+ outbound_payments.remove_stale_payments(duration_since_epoch, &pending_events);
+
+ assert!(outbound_payments.has_pending_payments());
+ assert!(pending_events.lock().unwrap().is_empty());
+ }
+
+ let duration_since_epoch = Duration::from_secs(timer_ticks * 60);
+ outbound_payments.remove_stale_payments(duration_since_epoch, &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, expiration, Retry::Attempts(0), None
+ ).is_ok()
+ );
+ assert!(outbound_payments.has_pending_payments());
+
+ assert!(
+ outbound_payments.add_new_awaiting_invoice(
+ payment_id, expiration, Retry::Attempts(0), None
+ ).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]);
+ let expiration = StaleExpiration::AbsoluteTimeout(Duration::from_secs(100));
+
+ assert!(!outbound_payments.has_pending_payments());
+ assert!(
+ outbound_payments.add_new_awaiting_invoice(
+ payment_id, expiration, Retry::Attempts(0), None
+ ).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, &logger, &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 expiration = StaleExpiration::AbsoluteTimeout(Duration::from_secs(100));
+
+ assert!(
+ outbound_payments.add_new_awaiting_invoice(
+ payment_id, expiration, Retry::Attempts(0), None
+ ).is_ok()
+ );
+ assert!(outbound_payments.has_pending_payments());
+
+ let created_at = now() - DEFAULT_RELATIVE_EXPIRY;
+ let invoice = OfferBuilder::new(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, &logger, &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 expiration = StaleExpiration::AbsoluteTimeout(Duration::from_secs(100));
+
+ let invoice = OfferBuilder::new(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();
+
+ assert!(
+ outbound_payments.add_new_awaiting_invoice(
+ payment_id, expiration, Retry::Attempts(0),
+ Some(invoice.amount_msats() / 100 + 50_000)
+ ).is_ok()
+ );
+ assert!(outbound_payments.has_pending_payments());
+
+ router.expect_find_route(
+ RouteParameters::from_payment_params_and_value(
+ PaymentParameters::from_bolt12_invoice(&invoice),
+ 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 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, &logger, &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 expiration = StaleExpiration::AbsoluteTimeout(Duration::from_secs(100));
+
+ let invoice = OfferBuilder::new(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(),
+ max_total_routing_fee_msat: Some(1234),
+ };
+ 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,
+ maybe_announced_channel: true,
+ }
+ ],
+ 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, expiration, Retry::Attempts(0), Some(1234)
+ ).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());
+ }
}
projects / rust-lightning / blobdiff