use bitcoin::hashes::sha256::Hash as Sha256;
use bitcoin::secp256k1::{self, Secp256k1, SecretKey};
-use crate::chain::keysinterface::{EntropySource, NodeSigner, Recipient};
-use crate::events;
+use crate::sign::{EntropySource, NodeSigner, Recipient};
+use crate::events::{self, PaymentFailureReason};
use crate::ln::{PaymentHash, PaymentPreimage, PaymentSecret};
-use crate::ln::channelmanager::{ChannelDetails, HTLCSource, IDEMPOTENCY_TIMEOUT_TICKS, PaymentId};
+use crate::ln::channelmanager::{ChannelDetails, EventCompletionAction, HTLCSource, IDEMPOTENCY_TIMEOUT_TICKS, PaymentId};
use crate::ln::onion_utils::HTLCFailReason;
-use crate::routing::router::{InFlightHtlcs, PaymentParameters, Route, RouteHop, RouteParameters, RoutePath, Router};
+use crate::routing::router::{InFlightHtlcs, Path, PaymentParameters, Route, RouteParameters, Router};
use crate::util::errors::APIError;
use crate::util::logger::Logger;
use crate::util::time::Time;
use crate::util::time::tests::SinceEpoch;
use crate::util::ser::ReadableArgs;
-use core::cmp;
use core::fmt::{self, Display, Formatter};
use core::ops::Deref;
session_privs: HashSet<[u8; 32]>,
payment_hash: PaymentHash,
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>,
/// and add a pending payment that was already fulfilled.
Fulfilled {
session_privs: HashSet<[u8; 32]>,
+ /// Filled in for any payment which moved to `Fulfilled` on LDK 0.0.104 or later.
payment_hash: Option<PaymentHash>,
timer_ticks_without_htlcs: u8,
},
Abandoned {
session_privs: HashSet<[u8; 32]>,
payment_hash: PaymentHash,
+ /// Will be `None` if the payment was serialized before 0.0.115.
+ reason: Option<PaymentFailureReason>,
},
}
*self = PendingOutboundPayment::Fulfilled { session_privs, payment_hash, timer_ticks_without_htlcs: 0 };
}
- fn mark_abandoned(&mut self) -> Result<(), ()> {
- let mut session_privs = HashSet::new();
- let our_payment_hash;
- core::mem::swap(&mut session_privs, match self {
- PendingOutboundPayment::Legacy { .. } |
- PendingOutboundPayment::Fulfilled { .. } =>
- return Err(()),
- PendingOutboundPayment::Retryable { session_privs, payment_hash, .. } |
- PendingOutboundPayment::Abandoned { session_privs, payment_hash, .. } => {
- our_payment_hash = *payment_hash;
- session_privs
- },
- });
- *self = PendingOutboundPayment::Abandoned { session_privs, payment_hash: our_payment_hash };
- Ok(())
+ fn mark_abandoned(&mut self, reason: PaymentFailureReason) {
+ if let PendingOutboundPayment::Retryable { session_privs, payment_hash, .. } = self {
+ let mut our_session_privs = HashSet::new();
+ core::mem::swap(&mut our_session_privs, session_privs);
+ *self = PendingOutboundPayment::Abandoned {
+ session_privs: our_session_privs,
+ payment_hash: *payment_hash,
+ reason: Some(reason)
+ };
+ }
}
/// panics if path is None and !self.is_fulfilled
- fn remove(&mut self, session_priv: &[u8; 32], path: Option<&Vec<RouteHop>>) -> bool {
+ fn remove(&mut self, session_priv: &[u8; 32], path: Option<&Path>) -> bool {
let remove_res = match self {
PendingOutboundPayment::Legacy { session_privs } |
PendingOutboundPayment::Retryable { session_privs, .. } |
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");
- let path_last_hop = path.last().expect("Outbound payments must have had a valid path");
- *pending_amt_msat -= path_last_hop.fee_msat;
+ *pending_amt_msat -= path.final_value_msat();
if let Some(fee_msat) = pending_fee_msat.as_mut() {
- *fee_msat -= path.get_path_fees();
+ *fee_msat -= path.fee_msat();
}
}
}
remove_res
}
- pub(super) fn insert(&mut self, session_priv: [u8; 32], path: &Vec<RouteHop>) -> bool {
+ pub(super) fn insert(&mut self, session_priv: [u8; 32], path: &Path) -> bool {
let insert_res = match self {
PendingOutboundPayment::Legacy { session_privs } |
PendingOutboundPayment::Retryable { session_privs, .. } => {
};
if insert_res {
if let PendingOutboundPayment::Retryable { ref mut pending_amt_msat, ref mut pending_fee_msat, .. } = self {
- let path_last_hop = path.last().expect("Outbound payments must have had a valid path");
- *pending_amt_msat += path_last_hop.fee_msat;
+ *pending_amt_msat += path.final_value_msat();
if let Some(fee_msat) = pending_fee_msat.as_mut() {
- *fee_msat += path.get_path_fees();
+ *fee_msat += path.fee_msat();
}
}
}
},
#[cfg(all(not(feature = "no-std"), not(test)))]
(Retry::Timeout(max_duration), PaymentAttempts { first_attempted_at, .. }) =>
- *max_duration >= std::time::Instant::now().duration_since(*first_attempted_at),
+ *max_duration >= crate::util::time::MonotonicTime::now().duration_since(*first_attempted_at),
#[cfg(all(not(feature = "no-std"), test))]
(Retry::Timeout(max_duration), PaymentAttempts { first_attempted_at, .. }) =>
*max_duration >= SinceEpoch::now().duration_since(*first_attempted_at),
}
#[cfg(not(any(feature = "no-std", test)))]
-type ConfiguredTime = std::time::Instant;
+type ConfiguredTime = crate::util::time::MonotonicTime;
#[cfg(feature = "no-std")]
type ConfiguredTime = crate::util::time::Eternity;
#[cfg(all(not(feature = "no-std"), test))]
/// [`ChannelManager::send_payment`]: crate::ln::channelmanager::ChannelManager::send_payment
/// [`Event::PaymentPathFailed`]: crate::events::Event::PaymentPathFailed
/// [`Event::PaymentFailed`]: crate::events::Event::PaymentFailed
-#[derive(Clone, Debug)]
+#[derive(Clone, Debug, PartialEq, Eq)]
pub enum RetryableSendFailure {
/// The provided [`PaymentParameters::expiry_time`] indicated that the payment has expired. Note
/// that this error is *not* caused by [`Retry::Timeout`].
///
/// This should generally be constructed with data communicated to us from the recipient (via a
/// BOLT11 or BOLT12 invoice).
-#[derive(Clone)]
+#[derive(Clone, Debug, PartialEq, Eq)]
pub struct RecipientOnionFields {
/// The [`PaymentSecret`] is an arbitrary 32 bytes provided by the recipient for us to repeat
/// in the onion. It is unrelated to `payment_hash` (or [`PaymentPreimage`]) and exists to
/// If you do not have one, the [`Route`] you pay over must not contain multiple paths as
/// multi-path payments require a recipient-provided secret.
///
- /// Note that for spontaneous payments most lightning nodes do not currently support MPP
- /// receives, thus you should generally never be providing a secret here for spontaneous
- /// payments.
+ /// Some implementations may reject spontaneous payments with payment secrets, so you may only
+ /// want to provide a secret for a spontaneous payment if MPP is needed and you know your
+ /// recipient will not reject it.
pub payment_secret: Option<PaymentSecret>,
+ /// The payment metadata serves a similar purpose as [`Self::payment_secret`] but is of
+ /// arbitrary length. This gives recipients substantially more flexibility to receive
+ /// additional data.
+ ///
+ /// In LDK, while the [`Self::payment_secret`] is fixed based on an internal authentication
+ /// scheme to authenticate received payments against expected payments and invoices, this field
+ /// is not used in LDK for received payments, and can be used to store arbitrary data in
+ /// invoices which will be received with the payment.
+ ///
+ /// Note that this field was added to the lightning specification more recently than
+ /// [`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),
+});
+
impl RecipientOnionFields {
/// Creates a [`RecipientOnionFields`] from only a [`PaymentSecret`]. This is the most common
/// 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) }
+ 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
- /// payable HTLCs except for spontaneous payments, i.e. this should generally only be used for
- /// calls to [`ChannelManager::send_spontaneous_payment`].
+ /// payable HTLCs except for single-path spontaneous payments, i.e. this should generally
+ /// only be used for calls to [`ChannelManager::send_spontaneous_payment`]. If you are sending
+ /// a spontaneous MPP this will not work as all MPP require payment secrets; you may
+ /// instead want to use [`RecipientOnionFields::secret_only`].
///
/// [`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 }
+ 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
+ /// have to make sure that some fields match exactly across the parts. For those that aren't
+ /// required to match, if they don't match we should remove them so as to not expose data
+ /// that's dependent on the HTLC receive order to users.
+ ///
+ /// Here we implement this, first checking compatibility then mutating two objects and then
+ /// dropping any remaining non-matching fields from both.
+ 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(()); }
+
+ 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: 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<()>,
}
pub(super) fn send_payment<R: Deref, ES: Deref, NS: Deref, IH, SP, L: Deref>(
- &self, payment_hash: PaymentHash, payment_secret: &Option<PaymentSecret>, payment_id: PaymentId,
+ &self, payment_hash: PaymentHash, recipient_onion: RecipientOnionFields, payment_id: PaymentId,
retry_strategy: Retry, route_params: RouteParameters, router: &R,
first_hops: Vec<ChannelDetails>, compute_inflight_htlcs: IH, entropy_source: &ES,
node_signer: &NS, best_block_height: u32, logger: &L,
- pending_events: &Mutex<Vec<events::Event>>, send_payment_along_path: SP,
+ pending_events: &Mutex<VecDeque<(events::Event, Option<EventCompletionAction>)>>, send_payment_along_path: SP,
) -> Result<(), RetryableSendFailure>
where
R::Target: Router,
NS::Target: NodeSigner,
L::Target: Logger,
IH: Fn() -> InFlightHtlcs,
- SP: Fn(&Vec<RouteHop>, &PaymentHash, &Option<PaymentSecret>, u64, u32, PaymentId,
- &Option<PaymentPreimage>, [u8; 32]) -> Result<(), APIError>,
+ SP: Fn(SendAlongPathArgs) -> Result<(), APIError>,
{
- self.send_payment_internal(payment_id, payment_hash, payment_secret, None, retry_strategy,
+ 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,
best_block_height, logger, pending_events, &send_payment_along_path)
}
pub(super) fn send_payment_with_route<ES: Deref, NS: Deref, F>(
- &self, route: &Route, payment_hash: PaymentHash, payment_secret: &Option<PaymentSecret>,
+ &self, route: &Route, payment_hash: PaymentHash, recipient_onion: RecipientOnionFields,
payment_id: PaymentId, entropy_source: &ES, node_signer: &NS, best_block_height: u32,
send_payment_along_path: F
) -> Result<(), PaymentSendFailure>
where
ES::Target: EntropySource,
NS::Target: NodeSigner,
- F: Fn(&Vec<RouteHop>, &PaymentHash, &Option<PaymentSecret>, 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, *payment_secret, payment_id, None, route, None, None, entropy_source, best_block_height)?;
- self.pay_route_internal(route, payment_hash, payment_secret, None, payment_id, None,
+ 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,
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 send_spontaneous_payment<R: Deref, ES: Deref, NS: Deref, IH, SP, L: Deref>(
- &self, payment_preimage: Option<PaymentPreimage>, payment_id: PaymentId,
- retry_strategy: Retry, route_params: RouteParameters, router: &R,
+ &self, payment_preimage: Option<PaymentPreimage>, recipient_onion: RecipientOnionFields,
+ payment_id: PaymentId, retry_strategy: Retry, route_params: RouteParameters, router: &R,
first_hops: Vec<ChannelDetails>, inflight_htlcs: IH, entropy_source: &ES,
node_signer: &NS, best_block_height: u32, logger: &L,
- pending_events: &Mutex<Vec<events::Event>>, send_payment_along_path: SP
+ pending_events: &Mutex<VecDeque<(events::Event, Option<EventCompletionAction>)>>, send_payment_along_path: SP
) -> Result<PaymentHash, RetryableSendFailure>
where
R::Target: Router,
NS::Target: NodeSigner,
L::Target: Logger,
IH: Fn() -> InFlightHtlcs,
- SP: Fn(&Vec<RouteHop>, &PaymentHash, &Option<PaymentSecret>, 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());
- self.send_payment_internal(payment_id, payment_hash, &None, 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)
+ 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)
.map(|()| payment_hash)
}
pub(super) fn send_spontaneous_payment_with_route<ES: Deref, NS: Deref, F>(
- &self, route: &Route, payment_preimage: Option<PaymentPreimage>, payment_id: PaymentId,
- entropy_source: &ES, node_signer: &NS, best_block_height: u32, send_payment_along_path: F
+ &self, route: &Route, payment_preimage: Option<PaymentPreimage>,
+ recipient_onion: RecipientOnionFields, payment_id: PaymentId, entropy_source: &ES,
+ node_signer: &NS, best_block_height: u32, send_payment_along_path: F
) -> Result<PaymentHash, PaymentSendFailure>
where
ES::Target: EntropySource,
NS::Target: NodeSigner,
- F: Fn(&Vec<RouteHop>, &PaymentHash, &Option<PaymentSecret>, 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 onion_session_privs = self.add_new_pending_payment(payment_hash, None, payment_id, Some(preimage), &route, None, None, entropy_source, best_block_height)?;
+ 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, &None, Some(preimage), payment_id, None, onion_session_privs, node_signer, best_block_height, &send_payment_along_path) {
+ 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),
Err(e) => {
self.remove_outbound_if_all_failed(payment_id, &e);
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, pending_events: &Mutex<Vec<events::Event>>, logger: &L,
+ best_block_height: u32,
+ pending_events: &Mutex<VecDeque<(events::Event, Option<EventCompletionAction>)>>, logger: &L,
send_payment_along_path: SP,
)
where
R::Target: Router,
ES::Target: EntropySource,
NS::Target: NodeSigner,
- SP: Fn(&Vec<RouteHop>, &PaymentHash, &Option<PaymentSecret>, u64, u32, PaymentId,
- &Option<PaymentPreimage>, [u8; 32]) -> Result<(), APIError>,
+ SP: Fn(SendAlongPathArgs) -> Result<(), APIError>,
IH: Fn() -> InFlightHtlcs,
FH: Fn() -> Vec<ChannelDetails>,
L::Target: Logger,
outbounds.retain(|pmt_id, pmt| {
let mut retain = true;
if !pmt.is_auto_retryable_now() && pmt.remaining_parts() == 0 {
- if pmt.mark_abandoned().is_ok() {
- pending_events.lock().unwrap().push(events::Event::PaymentFailed {
+ pmt.mark_abandoned(PaymentFailureReason::RetriesExhausted);
+ if let PendingOutboundPayment::Abandoned { payment_hash, reason, .. } = pmt {
+ pending_events.lock().unwrap().push_back((events::Event::PaymentFailed {
payment_id: *pmt_id,
- payment_hash: pmt.payment_hash().expect("PendingOutboundPayments::Retryable always has a payment hash set"),
- });
+ payment_hash: *payment_hash,
+ reason: *reason,
+ }, None));
retain = false;
}
}
/// [`Event::PaymentPathFailed`]: crate::events::Event::PaymentPathFailed
/// [`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, payment_secret: &Option<PaymentSecret>,
+ &self, payment_id: PaymentId, payment_hash: PaymentHash, recipient_onion: RecipientOnionFields,
keysend_preimage: Option<PaymentPreimage>, retry_strategy: Retry, route_params: RouteParameters,
router: &R, first_hops: Vec<ChannelDetails>, inflight_htlcs: IH, entropy_source: &ES,
node_signer: &NS, best_block_height: u32, logger: &L,
- pending_events: &Mutex<Vec<events::Event>>, send_payment_along_path: SP,
+ pending_events: &Mutex<VecDeque<(events::Event, Option<EventCompletionAction>)>>, send_payment_along_path: SP,
) -> Result<(), RetryableSendFailure>
where
R::Target: Router,
NS::Target: NodeSigner,
L::Target: Logger,
IH: Fn() -> InFlightHtlcs,
- SP: Fn(&Vec<RouteHop>, &PaymentHash, &Option<PaymentSecret>, u64, u32, PaymentId,
- &Option<PaymentPreimage>, [u8; 32]) -> Result<(), APIError>
+ SP: Fn(SendAlongPathArgs) -> Result<(), APIError>,
{
#[cfg(feature = "std")] {
if has_expired(&route_params) {
let route = router.find_route_with_id(
&node_signer.get_node_id(Recipient::Node).unwrap(), &route_params,
- Some(&first_hops.iter().collect::<Vec<_>>()), &inflight_htlcs(),
+ Some(&first_hops.iter().collect::<Vec<_>>()), inflight_htlcs(),
payment_hash, payment_id,
).map_err(|_| RetryableSendFailure::RouteNotFound)?;
- let onion_session_privs = self.add_new_pending_payment(payment_hash, *payment_secret,
- payment_id, keysend_preimage, &route, Some(retry_strategy),
+ 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, payment_secret, None, payment_id, None,
+ 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);
if let Err(e) = res {
&self, payment_hash: PaymentHash, payment_id: PaymentId, route_params: RouteParameters,
router: &R, first_hops: Vec<ChannelDetails>, inflight_htlcs: &IH, entropy_source: &ES,
node_signer: &NS, best_block_height: u32, logger: &L,
- pending_events: &Mutex<Vec<events::Event>>, send_payment_along_path: &SP,
+ pending_events: &Mutex<VecDeque<(events::Event, Option<EventCompletionAction>)>>, send_payment_along_path: &SP,
)
where
R::Target: Router,
NS::Target: NodeSigner,
L::Target: Logger,
IH: Fn() -> InFlightHtlcs,
- SP: Fn(&Vec<RouteHop>, &PaymentHash, &Option<PaymentSecret>, 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));
- self.abandon_payment(payment_id, pending_events);
+ self.abandon_payment(payment_id, PaymentFailureReason::PaymentExpired, pending_events);
return
}
}
let route = match router.find_route_with_id(
&node_signer.get_node_id(Recipient::Node).unwrap(), &route_params,
- Some(&first_hops.iter().collect::<Vec<_>>()), &inflight_htlcs(),
+ Some(&first_hops.iter().collect::<Vec<_>>()), inflight_htlcs(),
payment_hash, payment_id,
) {
Ok(route) => route,
Err(e) => {
log_error!(logger, "Failed to find a route on retry, abandoning payment {}: {:#?}", log_bytes!(payment_id.0), e);
- self.abandon_payment(payment_id, pending_events);
+ self.abandon_payment(payment_id, PaymentFailureReason::RouteNotFound, pending_events);
return
}
};
for path in route.paths.iter() {
- if path.len() == 0 {
- log_error!(logger, "length-0 path in route");
- self.abandon_payment(payment_id, pending_events);
+ if path.hops.len() == 0 {
+ log_error!(logger, "Unusable path in route (path.hops.len() must be at least 1");
+ self.abandon_payment(payment_id, PaymentFailureReason::UnexpectedError, pending_events);
return
}
}
}
macro_rules! abandon_with_entry {
- ($payment: expr) => {
- if $payment.get_mut().mark_abandoned().is_ok() && $payment.get().remaining_parts() == 0 {
- pending_events.lock().unwrap().push(events::Event::PaymentFailed {
- payment_id,
- payment_hash,
- });
- $payment.remove();
+ ($payment: expr, $reason: expr) => {
+ $payment.get_mut().mark_abandoned($reason);
+ if let PendingOutboundPayment::Abandoned { reason, .. } = $payment.get() {
+ if $payment.get().remaining_parts() == 0 {
+ pending_events.lock().unwrap().push_back((events::Event::PaymentFailed {
+ payment_id,
+ payment_hash,
+ reason: *reason,
+ }, None));
+ $payment.remove();
+ }
}
}
}
- let (total_msat, payment_secret, keysend_preimage) = {
+ let (total_msat, recipient_onion, keysend_preimage) = {
let mut outbounds = self.pending_outbound_payments.lock().unwrap();
match outbounds.entry(payment_id) {
hash_map::Entry::Occupied(mut payment) => {
let res = match payment.get() {
PendingOutboundPayment::Retryable {
- total_msat, keysend_preimage, payment_secret, pending_amt_msat, ..
+ total_msat, keysend_preimage, payment_secret, payment_metadata,
+ custom_tlvs, pending_amt_msat, ..
} => {
- let retry_amt_msat: u64 = route.paths.iter().map(|path| path.last().unwrap().fee_msat).sum();
+ 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);
+ abandon_with_entry!(payment, PaymentFailureReason::UnexpectedError);
return
}
- (*total_msat, *payment_secret, *keysend_preimage)
+ (*total_msat, RecipientOnionFields {
+ payment_secret: *payment_secret,
+ payment_metadata: payment_metadata.clone(),
+ custom_tlvs: custom_tlvs.clone(),
+ }, *keysend_preimage)
},
PendingOutboundPayment::Legacy { .. } => {
log_error!(logger, "Unable to retry payments that were initially sent on LDK versions prior to 0.0.102");
};
if !payment.get().is_retryable_now() {
log_error!(logger, "Retries exhausted for payment id {}", log_bytes!(payment_id.0));
- abandon_with_entry!(payment);
+ abandon_with_entry!(payment, PaymentFailureReason::RetriesExhausted);
return
}
payment.get_mut().increment_attempts();
}
}
};
- let res = self.pay_route_internal(&route, payment_hash, &payment_secret, 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);
&self, err: PaymentSendFailure, payment_id: PaymentId, payment_hash: PaymentHash, route: Route,
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<Vec<events::Event>>, send_payment_along_path: &SP,
+ pending_events: &Mutex<VecDeque<(events::Event, Option<EventCompletionAction>)>>, send_payment_along_path: &SP,
)
where
R::Target: Router,
NS::Target: NodeSigner,
L::Target: Logger,
IH: Fn() -> InFlightHtlcs,
- SP: Fn(&Vec<RouteHop>, &PaymentHash, &Option<PaymentSecret>, 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)), pending_events);
+ 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);
},
PaymentSendFailure::PartialFailure { failed_paths_retry: Some(mut retry), results, .. } => {
- Self::push_path_failed_evs_and_scids(payment_id, payment_hash, &mut retry, route.paths, results.into_iter(), pending_events);
+ 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.
// initial HTLC-Add messages yet.
},
PaymentSendFailure::PathParameterError(results) => {
- Self::push_path_failed_evs_and_scids(payment_id, payment_hash, &mut route_params, route.paths, results.into_iter(), pending_events);
- self.abandon_payment(payment_id, pending_events);
+ log_error!(logger, "Failed to send to route due to parameter error in a single path. Your router is buggy");
+ Self::push_path_failed_evs_and_scids(payment_id, payment_hash, &mut route_params, route.paths, results.into_iter(), logger, pending_events);
+ self.abandon_payment(payment_id, PaymentFailureReason::UnexpectedError, pending_events);
},
PaymentSendFailure::ParameterError(e) => {
log_error!(logger, "Failed to send to route due to parameter error: {:?}. Your router is buggy", e);
- self.abandon_payment(payment_id, pending_events);
+ self.abandon_payment(payment_id, PaymentFailureReason::UnexpectedError, pending_events);
},
PaymentSendFailure::DuplicatePayment => debug_assert!(false), // unreachable
}
}
- fn push_path_failed_evs_and_scids<I: ExactSizeIterator + Iterator<Item = Result<(), APIError>>>(
+ fn push_path_failed_evs_and_scids<I: ExactSizeIterator + Iterator<Item = Result<(), APIError>>, L: Deref>(
payment_id: PaymentId, payment_hash: PaymentHash, route_params: &mut RouteParameters,
- paths: Vec<Vec<RouteHop>>, path_results: I, pending_events: &Mutex<Vec<events::Event>>
- ) {
+ paths: Vec<Path>, path_results: I, logger: &L,
+ pending_events: &Mutex<VecDeque<(events::Event, Option<EventCompletionAction>)>>,
+ ) where L::Target: Logger {
let mut events = pending_events.lock().unwrap();
debug_assert_eq!(paths.len(), path_results.len());
for (path, path_res) in paths.into_iter().zip(path_results) {
if let Err(e) = path_res {
if let APIError::MonitorUpdateInProgress = e { continue }
+ log_error!(logger, "Failed to send along path due to error: {:?}", e);
let mut failed_scid = None;
if let APIError::ChannelUnavailable { .. } = e {
- let scid = path[0].short_channel_id;
+ let scid = path.hops[0].short_channel_id;
failed_scid = Some(scid);
route_params.payment_params.previously_failed_channels.push(scid);
}
- events.push(events::Event::PaymentPathFailed {
+ events.push_back((events::Event::PaymentPathFailed {
payment_id: Some(payment_id),
payment_hash,
payment_failed_permanently: false,
error_code: None,
#[cfg(test)]
error_data: None,
- });
+ }, None));
}
}
}
pub(super) fn send_probe<ES: Deref, NS: Deref, F>(
- &self, hops: Vec<RouteHop>, probing_cookie_secret: [u8; 32], entropy_source: &ES,
- node_signer: &NS, best_block_height: u32, send_payment_along_path: F
+ &self, path: Path, probing_cookie_secret: [u8; 32], entropy_source: &ES, node_signer: &NS,
+ best_block_height: u32, send_payment_along_path: F
) -> Result<(PaymentHash, PaymentId), PaymentSendFailure>
where
ES::Target: EntropySource,
NS::Target: NodeSigner,
- F: Fn(&Vec<RouteHop>, &PaymentHash, &Option<PaymentSecret>, 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_hash = probing_cookie_from_id(&payment_id, probing_cookie_secret);
- if hops.len() < 2 {
+ if path.hops.len() < 2 && path.blinded_tail.is_none() {
return Err(PaymentSendFailure::ParameterError(APIError::APIMisuseError {
err: "No need probing a path with less than two hops".to_string()
}))
}
- let route = Route { paths: vec![hops], payment_params: None };
- let onion_session_privs = self.add_new_pending_payment(payment_hash, None, payment_id, None, &route, None, None, entropy_source, best_block_height)?;
+ let route = Route { paths: vec![path], payment_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)?;
- match self.pay_route_internal(&route, payment_hash, &None, None, payment_id, None, onion_session_privs, node_signer, best_block_height, &send_payment_along_path) {
+ match self.pay_route_internal(&route, payment_hash, RecipientOnionFields::spontaneous_empty(),
+ None, payment_id, None, onion_session_privs, node_signer, best_block_height, &send_payment_along_path
+ ) {
Ok(()) => Ok((payment_hash, payment_id)),
Err(e) => {
self.remove_outbound_if_all_failed(payment_id, &e);
}
}
+ #[cfg(test)]
+ pub(super) fn test_set_payment_metadata(
+ &self, payment_id: PaymentId, new_payment_metadata: Option<Vec<u8>>
+ ) {
+ match self.pending_outbound_payments.lock().unwrap().get_mut(&payment_id).unwrap() {
+ PendingOutboundPayment::Retryable { payment_metadata, .. } => {
+ *payment_metadata = new_payment_metadata;
+ },
+ _ => panic!("Need a retryable payment to update metadata on"),
+ }
+ }
+
#[cfg(test)]
pub(super) fn test_add_new_pending_payment<ES: Deref>(
- &self, payment_hash: PaymentHash, payment_secret: Option<PaymentSecret>, payment_id: PaymentId,
+ &self, payment_hash: PaymentHash, recipient_onion: RecipientOnionFields, payment_id: PaymentId,
route: &Route, retry_strategy: Option<Retry>, entropy_source: &ES, best_block_height: u32
) -> Result<Vec<[u8; 32]>, PaymentSendFailure> where ES::Target: EntropySource {
- self.add_new_pending_payment(payment_hash, payment_secret, payment_id, None, route, retry_strategy, None, entropy_source, best_block_height)
+ self.add_new_pending_payment(payment_hash, recipient_onion, payment_id, None, route, retry_strategy, None, entropy_source, best_block_height)
}
pub(super) fn add_new_pending_payment<ES: Deref>(
- &self, payment_hash: PaymentHash, payment_secret: Option<PaymentSecret>, payment_id: PaymentId,
+ &self, payment_hash: PaymentHash, recipient_onion: RecipientOnionFields, payment_id: PaymentId,
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 {
pending_amt_msat: 0,
pending_fee_msat: Some(0),
payment_hash,
- payment_secret,
+ 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(),
});
}
fn pay_route_internal<NS: Deref, F>(
- &self, route: &Route, payment_hash: PaymentHash, payment_secret: &Option<PaymentSecret>,
+ &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(&Vec<RouteHop>, &PaymentHash, &Option<PaymentSecret>, 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 payment_secret.is_none() && route.paths.len() > 1 {
+ if recipient_onion.payment_secret.is_none() && route.paths.len() > 1 {
return Err(PaymentSendFailure::ParameterError(APIError::APIMisuseError{err: "Payment secret is required for multi-path payments".to_owned()}));
}
let mut total_value = 0;
let our_node_id = node_signer.get_node_id(Recipient::Node).unwrap(); // TODO no unwrap
let mut path_errs = Vec::with_capacity(route.paths.len());
'path_check: for path in route.paths.iter() {
- if path.len() < 1 || path.len() > 20 {
+ if path.hops.len() < 1 || path.hops.len() > 20 {
path_errs.push(Err(APIError::InvalidRoute{err: "Path didn't go anywhere/had bogus size".to_owned()}));
continue 'path_check;
}
- for (idx, hop) in path.iter().enumerate() {
- if idx != path.len() - 1 && hop.pubkey == our_node_id {
+ 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() {
+ if idx != dest_hop_idx && hop.pubkey == our_node_id {
path_errs.push(Err(APIError::InvalidRoute{err: "Path went through us but wasn't a simple rebalance loop to us".to_owned()}));
continue 'path_check;
}
}
- total_value += path.last().unwrap().fee_msat;
+ total_value += path.final_value_msat();
path_errs.push(Ok(()));
}
if path_errs.iter().any(|e| e.is_err()) {
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, payment_secret, 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: recipient_onion.clone(),
+ 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 max_unsent_cltv_delta = 0;
for (res, path) in results.iter().zip(route.paths.iter()) {
if res.is_ok() { has_ok = true; }
if res.is_err() { has_err = true; }
has_err = true;
has_ok = true;
} else if res.is_err() {
- pending_amt_unsent += path.last().unwrap().fee_msat;
- max_unsent_cltv_delta = cmp::max(max_unsent_cltv_delta, path.last().unwrap().cltv_expiry_delta);
+ pending_amt_unsent += path.final_value_msat();
}
}
if has_err && has_ok {
#[cfg(test)]
pub(super) fn test_send_payment_internal<NS: Deref, F>(
- &self, route: &Route, payment_hash: PaymentHash, payment_secret: &Option<PaymentSecret>,
+ &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(&Vec<RouteHop>, &PaymentHash, &Option<PaymentSecret>, u64, u32, PaymentId,
- &Option<PaymentPreimage>, [u8; 32]) -> Result<(), APIError>
+ F: Fn(SendAlongPathArgs) -> Result<(), APIError>,
{
- self.pay_route_internal(route, payment_hash, payment_secret, keysend_preimage, payment_id,
+ 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: Vec<RouteHop>, from_onchain: bool, pending_events: &Mutex<Vec<events::Event>>, logger: &L
+ 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 session_priv_bytes = [0; 32];
session_priv_bytes.copy_from_slice(&session_priv[..]);
if !payment.get().is_fulfilled() {
let payment_hash = PaymentHash(Sha256::hash(&payment_preimage.0).into_inner());
let fee_paid_msat = payment.get().get_pending_fee_msat();
- pending_events.push(
- events::Event::PaymentSent {
- payment_id: Some(payment_id),
- payment_preimage,
- payment_hash,
- fee_paid_msat,
- }
- );
+ pending_events.push_back((events::Event::PaymentSent {
+ payment_id: Some(payment_id),
+ payment_preimage,
+ payment_hash,
+ fee_paid_msat,
+ }, Some(ev_completion_action.clone())));
payment.get_mut().mark_fulfilled();
}
// irrevocably fulfilled.
if payment.get_mut().remove(&session_priv_bytes, Some(&path)) {
let payment_hash = Some(PaymentHash(Sha256::hash(&payment_preimage.0).into_inner()));
- pending_events.push(
- events::Event::PaymentPathSuccessful {
- payment_id,
- payment_hash,
- path,
- }
- );
+ pending_events.push_back((events::Event::PaymentPathSuccessful {
+ payment_id,
+ payment_hash,
+ path,
+ }, Some(ev_completion_action)));
}
}
} else {
}
}
- pub(super) fn finalize_claims(&self, sources: Vec<HTLCSource>, pending_events: &Mutex<Vec<events::Event>>) {
+ pub(super) fn finalize_claims(&self, sources: Vec<HTLCSource>,
+ pending_events: &Mutex<VecDeque<(events::Event, Option<EventCompletionAction>)>>)
+ {
let mut outbounds = self.pending_outbound_payments.lock().unwrap();
let mut pending_events = pending_events.lock().unwrap();
for source in sources {
if let hash_map::Entry::Occupied(mut payment) = outbounds.entry(payment_id) {
assert!(payment.get().is_fulfilled());
if payment.get_mut().remove(&session_priv_bytes, None) {
- pending_events.push(
- events::Event::PaymentPathSuccessful {
- payment_id,
- payment_hash: payment.get().payment_hash(),
- path,
- }
- );
+ let payment_hash = payment.get().payment_hash();
+ debug_assert!(payment_hash.is_some());
+ pending_events.push_back((events::Event::PaymentPathSuccessful {
+ payment_id,
+ payment_hash,
+ path,
+ }, None));
}
}
}
}
}
- pub(super) fn remove_stale_resolved_payments(&self, pending_events: &Mutex<Vec<events::Event>>) {
+ pub(super) fn remove_stale_resolved_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
if let PendingOutboundPayment::Fulfilled { session_privs, timer_ticks_without_htlcs, .. } = payment {
let mut no_remaining_entries = session_privs.is_empty();
if no_remaining_entries {
- for ev in pending_events.iter() {
+ for (ev, _) in pending_events.iter() {
match ev {
events::Event::PaymentSent { payment_id: Some(ev_payment_id), .. } |
events::Event::PaymentPathSuccessful { payment_id: ev_payment_id, .. } |
// Returns a bool indicating whether a PendingHTLCsForwardable event should be generated.
pub(super) fn fail_htlc<L: Deref>(
&self, source: &HTLCSource, payment_hash: &PaymentHash, onion_error: &HTLCFailReason,
- path: &Vec<RouteHop>, session_priv: &SecretKey, payment_id: &PaymentId,
+ path: &Path, session_priv: &SecretKey, payment_id: &PaymentId,
probing_cookie_secret: [u8; 32], secp_ctx: &Secp256k1<secp256k1::All>,
- pending_events: &Mutex<Vec<events::Event>>, logger: &L
+ 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);
}
if payment_is_probe || !is_retryable_now || !payment_retryable {
- let _ = payment.get_mut().mark_abandoned(); // we'll only Err if it's a legacy payment
+ let reason = if !payment_retryable {
+ PaymentFailureReason::RecipientRejected
+ } else {
+ PaymentFailureReason::RetriesExhausted
+ };
+ payment.get_mut().mark_abandoned(reason);
is_retryable_now = false;
}
if payment.get().remaining_parts() == 0 {
- if payment.get().abandoned() {
+ if let PendingOutboundPayment::Abandoned { payment_hash, reason, .. }= payment.get() {
if !payment_is_probe {
full_failure_ev = Some(events::Event::PaymentFailed {
payment_id: *payment_id,
- payment_hash: payment.get().payment_hash().expect("PendingOutboundPayments::RetriesExceeded always has a payment hash set"),
+ payment_hash: *payment_hash,
+ reason: *reason,
});
}
payment.remove();
}
};
let mut pending_events = pending_events.lock().unwrap();
- pending_events.push(path_failure);
- if let Some(ev) = full_failure_ev { pending_events.push(ev); }
+ pending_events.push_back((path_failure, None));
+ if let Some(ev) = full_failure_ev { pending_events.push_back((ev, None)); }
pending_retry_ev
}
pub(super) fn abandon_payment(
- &self, payment_id: PaymentId, pending_events: &Mutex<Vec<events::Event>>
+ &self, payment_id: PaymentId, reason: PaymentFailureReason,
+ pending_events: &Mutex<VecDeque<(events::Event, Option<EventCompletionAction>)>>
) {
let mut outbounds = self.pending_outbound_payments.lock().unwrap();
if let hash_map::Entry::Occupied(mut payment) = outbounds.entry(payment_id) {
- if let Ok(()) = payment.get_mut().mark_abandoned() {
+ payment.get_mut().mark_abandoned(reason);
+ if let PendingOutboundPayment::Abandoned { payment_hash, reason, .. } = payment.get() {
if payment.get().remaining_parts() == 0 {
- pending_events.lock().unwrap().push(events::Event::PaymentFailed {
+ pending_events.lock().unwrap().push_back((events::Event::PaymentFailed {
payment_id,
- payment_hash: payment.get().payment_hash().expect("PendingOutboundPayments::RetriesExceeded always has a payment hash set"),
- });
+ payment_hash: *payment_hash,
+ reason: *reason,
+ }, None));
payment.remove();
}
}
(4, payment_secret, option),
(5, keysend_preimage, option),
(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())),
},
(3, Abandoned) => {
(0, session_privs, required),
+ (1, reason, option),
(2, payment_hash, required),
},
);
use bitcoin::network::constants::Network;
use bitcoin::secp256k1::{PublicKey, Secp256k1, SecretKey};
- use crate::events::{Event, PathFailure};
+ use crate::events::{Event, PathFailure, PaymentFailureReason};
use crate::ln::PaymentHash;
- use crate::ln::channelmanager::PaymentId;
+ 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::routing::gossip::NetworkGraph;
- use crate::routing::router::{InFlightHtlcs, PaymentParameters, Route, RouteHop, RouteParameters};
+ use crate::routing::router::{InFlightHtlcs, Path, PaymentParameters, Route, RouteHop, RouteParameters};
use crate::sync::{Arc, Mutex};
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() {
payment_params,
final_value_msat: 0,
};
- let pending_events = Mutex::new(Vec::new());
+ let pending_events = Mutex::new(VecDeque::new());
if on_retry {
- outbound_payments.add_new_pending_payment(PaymentHash([0; 32]), None, PaymentId([0; 32]), None,
- &Route { paths: vec![], payment_params: None }, Some(Retry::Attempts(1)),
- Some(expired_route_params.payment_params.clone()), &&keys_manager, 0).unwrap();
+ outbound_payments.add_new_pending_payment(PaymentHash([0; 32]), RecipientOnionFields::spontaneous_empty(),
+ PaymentId([0; 32]), None, &Route { paths: vec![], payment_params: None },
+ Some(Retry::Attempts(1)), Some(expired_route_params.payment_params.clone()),
+ &&keys_manager, 0).unwrap();
outbound_payments.retry_payment_internal(
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 { .. } = events[0] { } else { panic!("Unexpected event"); }
+ if let Event::PaymentFailed { ref reason, .. } = events[0].0 {
+ assert_eq!(reason.unwrap(), PaymentFailureReason::PaymentExpired);
+ } else { panic!("Unexpected event"); }
} else {
let err = outbound_payments.send_payment(
- PaymentHash([0; 32]), &None, PaymentId([0; 32]), Retry::Attempts(0), expired_route_params,
- &&router, vec![], || InFlightHtlcs::new(), &&keys_manager, &&keys_manager, 0, &&logger,
- &pending_events, |_, _, _, _, _, _, _, _| Ok(())).unwrap_err();
+ 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();
if let RetryableSendFailure::PaymentExpired = err { } else { panic!("Unexpected error"); }
}
}
router.expect_find_route(route_params.clone(),
Err(LightningError { err: String::new(), action: ErrorAction::IgnoreError }));
- let pending_events = Mutex::new(Vec::new());
+ let pending_events = Mutex::new(VecDeque::new());
if on_retry {
- outbound_payments.add_new_pending_payment(PaymentHash([0; 32]), None, PaymentId([0; 32]), None,
- &Route { paths: vec![], payment_params: None }, Some(Retry::Attempts(1)),
- Some(route_params.payment_params.clone()), &&keys_manager, 0).unwrap();
+ outbound_payments.add_new_pending_payment(PaymentHash([0; 32]), RecipientOnionFields::spontaneous_empty(),
+ PaymentId([0; 32]), None, &Route { paths: vec![], payment_params: None },
+ Some(Retry::Attempts(1)), Some(route_params.payment_params.clone()),
+ &&keys_manager, 0).unwrap();
outbound_payments.retry_payment_internal(
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] { } else { panic!("Unexpected event"); }
+ if let Event::PaymentFailed { .. } = events[0].0 { } else { panic!("Unexpected event"); }
} else {
let err = outbound_payments.send_payment(
- PaymentHash([0; 32]), &None, PaymentId([0; 32]), Retry::Attempts(0), route_params,
- &&router, vec![], || InFlightHtlcs::new(), &&keys_manager, &&keys_manager, 0, &&logger,
- &pending_events, |_, _, _, _, _, _, _, _| Ok(())).unwrap_err();
+ 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();
if let RetryableSendFailure::RouteNotFound = err {
} else { panic!("Unexpected error"); }
}
};
let failed_scid = 42;
let route = Route {
- paths: vec![vec![RouteHop {
+ paths: vec![Path { hops: vec![RouteHop {
pubkey: receiver_pk,
node_features: NodeFeatures::empty(),
short_channel_id: failed_scid,
channel_features: ChannelFeatures::empty(),
fee_msat: 0,
cltv_expiry_delta: 0,
- }]],
+ }], blinded_tail: None }],
payment_params: Some(payment_params),
};
router.expect_find_route(route_params.clone(), Ok(route.clone()));
// Ensure that a ChannelUnavailable error will result in blaming an scid in the
// PaymentPathFailed event.
- let pending_events = Mutex::new(Vec::new());
+ let pending_events = Mutex::new(VecDeque::new());
outbound_payments.send_payment(
- PaymentHash([0; 32]), &None, PaymentId([0; 32]), Retry::Attempts(0), route_params.clone(),
- &&router, vec![], || InFlightHtlcs::new(), &&keys_manager, &&keys_manager, 0, &&logger,
- &pending_events,
- |_, _, _, _, _, _, _, _| Err(APIError::ChannelUnavailable { err: "test".to_owned() }))
- .unwrap();
+ 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();
let mut events = pending_events.lock().unwrap();
assert_eq!(events.len(), 2);
if let Event::PaymentPathFailed {
short_channel_id,
- failure: PathFailure::InitialSend { err: APIError::ChannelUnavailable { .. }}, .. } = events[0]
+ failure: PathFailure::InitialSend { err: APIError::ChannelUnavailable { .. }}, .. } = events[0].0
{
assert_eq!(short_channel_id, Some(failed_scid));
} else { panic!("Unexpected event"); }
- if let Event::PaymentFailed { .. } = events[1] { } else { panic!("Unexpected event"); }
+ if let Event::PaymentFailed { .. } = events[1].0 { } else { panic!("Unexpected event"); }
events.clear();
core::mem::drop(events);
// Ensure that a MonitorUpdateInProgress "error" will not result in a PaymentPathFailed event.
outbound_payments.send_payment(
- PaymentHash([0; 32]), &None, PaymentId([0; 32]), Retry::Attempts(0), route_params.clone(),
- &&router, vec![], || InFlightHtlcs::new(), &&keys_manager, &&keys_manager, 0, &&logger,
- &pending_events, |_, _, _, _, _, _, _, _| Err(APIError::MonitorUpdateInProgress))
- .unwrap();
- {
- let events = pending_events.lock().unwrap();
- assert_eq!(events.len(), 0);
- }
+ 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();
+ assert_eq!(pending_events.lock().unwrap().len(), 0);
// Ensure that any other error will result in a PaymentPathFailed event but no blamed scid.
outbound_payments.send_payment(
- PaymentHash([0; 32]), &None, PaymentId([1; 32]), Retry::Attempts(0), route_params.clone(),
- &&router, vec![], || InFlightHtlcs::new(), &&keys_manager, &&keys_manager, 0, &&logger,
- &pending_events,
- |_, _, _, _, _, _, _, _| Err(APIError::APIMisuseError { err: "test".to_owned() }))
- .unwrap();
+ 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();
let events = pending_events.lock().unwrap();
assert_eq!(events.len(), 2);
if let Event::PaymentPathFailed {
short_channel_id,
- failure: PathFailure::InitialSend { err: APIError::APIMisuseError { .. }}, .. } = events[0]
+ failure: PathFailure::InitialSend { err: APIError::APIMisuseError { .. }}, .. } = events[0].0
{
assert_eq!(short_channel_id, None);
} else { panic!("Unexpected event"); }
- if let Event::PaymentFailed { .. } = events[1] { } else { panic!("Unexpected event"); }
+ if let Event::PaymentFailed { .. } = events[1].0 { } else { panic!("Unexpected event"); }
}
}
projects / rust-lightning / blobdiff