use core::fmt::{self, Display, Formatter};
use core::ops::Deref;
+use core::time::Duration;
use crate::prelude::*;
use crate::sync::Mutex;
/// [`ChannelManager::timer_tick_occurred`]: crate::ln::channelmanager::ChannelManager::timer_tick_occurred
pub(crate) const IDEMPOTENCY_TIMEOUT_TICKS: u8 = 7;
-/// The number of ticks of [`ChannelManager::timer_tick_occurred`] until an invoice request without
-/// a response is timed out.
-///
-/// [`ChannelManager::timer_tick_occurred`]: crate::ln::channelmanager::ChannelManager::timer_tick_occurred
-const INVOICE_REQUEST_TIMEOUT_TICKS: u8 = 3;
-
/// Stores the session_priv for each part of a payment that is still pending. For versions 0.0.102
/// and later, also stores information for retrying the payment.
pub(crate) enum PendingOutboundPayment {
session_privs: HashSet<[u8; 32]>,
},
AwaitingInvoice {
- timer_ticks_without_response: u8,
+ expiration: StaleExpiration,
retry_strategy: Retry,
max_total_routing_fee_msat: Option<u64>,
},
}
}
+/// 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`].
///
/// 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
/// 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
}
}
- #[allow(unused)]
pub(super) fn send_payment_for_bolt12_invoice<R: Deref, ES: Deref, NS: Deref, IH, SP, L: Deref>(
&self, invoice: &Bolt12Invoice, payment_id: PaymentId, router: &R,
first_hops: Vec<ChannelDetails>, inflight_htlcs: IH, entropy_source: &ES, node_signer: &NS,
SP: Fn(SendAlongPathArgs) -> Result<(), APIError>,
{
let payment_hash = invoice.payment_hash();
- let mut max_total_routing_fee_msat = None;
+ 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, .. } => {
hash_map::Entry::Vacant(_) => return Err(Bolt12PaymentError::UnexpectedInvoice),
};
- let route_params = RouteParameters {
- payment_params: PaymentParameters::from_bolt12_invoice(&invoice),
- final_value_msat: invoice.amount_msats(),
- max_total_routing_fee_msat,
- };
+ 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,
}
}
- let route = router.find_route_with_id(
+ 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(),
payment_hash, payment_id,
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)
}
}
- 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(),
payment_hash, payment_id,
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");
(payment, onion_session_privs)
}
- #[allow(unused)]
pub(super) fn add_new_awaiting_invoice(
- &self, payment_id: PaymentId, retry_strategy: Retry, max_total_routing_fee_msat: Option<u64>
+ &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(()),
hash_map::Entry::Vacant(entry) => {
entry.insert(PendingOutboundPayment::AwaitingInvoice {
- timer_ticks_without_response: 0,
+ expiration,
retry_strategy,
max_total_routing_fee_msat,
});
}
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;
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 {
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 {
+ 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));
- route_params.final_value_msat = pending_amt_unsent;
+ // 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 },
}
pub(super) fn remove_stale_payments(
- &self, pending_events: &Mutex<VecDeque<(events::Event, Option<EventCompletionAction>)>>)
+ &self, duration_since_epoch: Duration,
+ pending_events: &Mutex<VecDeque<(events::Event, Option<EventCompletionAction>)>>)
{
let mut pending_outbound_payments = self.pending_outbound_payments.lock().unwrap();
let mut pending_events = pending_events.lock().unwrap();
- pending_outbound_payments.retain(|payment_id, payment| {
+ 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
// removal. This should be more than sufficient to ensure the idempotency of any
// `send_payment` calls that were made at the same time the `PaymentSent` event was being
// processed.
- if let PendingOutboundPayment::Fulfilled { session_privs, timer_ticks_without_htlcs, .. } = payment {
+ 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 if let PendingOutboundPayment::AwaitingInvoice { timer_ticks_without_response, .. } = payment {
- *timer_ticks_without_response += 1;
- if *timer_ticks_without_response <= INVOICE_REQUEST_TIMEOUT_TICKS {
- true
- } else {
+ },
+ 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
}
- } else { true }
+ },
+ _ => true,
});
}
(2, payment_hash, required),
},
(5, AwaitingInvoice) => {
- (0, timer_ticks_without_response, required),
+ (0, expiration, required),
(2, retry_strategy, required),
(4, max_total_routing_fee_msat, option),
},
use bitcoin::network::constants::Network;
use bitcoin::secp256k1::{PublicKey, Secp256k1, SecretKey};
+ use core::time::Duration;
+
use crate::events::{Event, PathFailure, PaymentFailureReason};
use crate::ln::PaymentHash;
use crate::ln::channelmanager::{PaymentId, RecipientOnionFields};
use crate::ln::features::{ChannelFeatures, NodeFeatures};
use crate::ln::msgs::{ErrorAction, LightningError};
- use crate::ln::outbound_payment::{Bolt12PaymentError, INVOICE_REQUEST_TIMEOUT_TICKS, 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::*;
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()));
}
#[test]
- fn removes_stale_awaiting_invoice() {
+ 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, Retry::Attempts(0), None).is_ok()
+ outbound_payments.add_new_awaiting_invoice(
+ payment_id, expiration, Retry::Attempts(0), None
+ ).is_ok()
);
assert!(outbound_payments.has_pending_payments());
- for _ in 0..INVOICE_REQUEST_TIMEOUT_TICKS {
- outbound_payments.remove_stale_payments(&pending_events);
+ 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());
}
- outbound_payments.remove_stale_payments(&pending_events);
+ 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!(
assert!(pending_events.lock().unwrap().is_empty());
assert!(
- outbound_payments.add_new_awaiting_invoice(payment_id, Retry::Attempts(0), None).is_ok()
+ 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, Retry::Attempts(0), None)
- .is_err()
+ outbound_payments.add_new_awaiting_invoice(
+ payment_id, expiration, Retry::Attempts(0), None
+ ).is_err()
);
}
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, Retry::Attempts(0), None).is_ok()
+ outbound_payments.add_new_awaiting_invoice(
+ payment_id, expiration, Retry::Attempts(0), None
+ ).is_ok()
);
assert!(outbound_payments.has_pending_payments());
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, Retry::Attempts(0), None).is_ok()
+ outbound_payments.add_new_awaiting_invoice(
+ payment_id, expiration, Retry::Attempts(0), None
+ ).is_ok()
);
assert!(outbound_payments.has_pending_payments());
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("foo".into(), recipient_pubkey())
.amount_msats(1000)
.build().unwrap()
.sign(recipient_sign).unwrap();
- assert!(outbound_payments.add_new_awaiting_invoice(
- payment_id, Retry::Attempts(0), Some(invoice.amount_msats() / 100 + 50_000))
- .is_ok()
+ 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());
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("foo".into(), recipient_pubkey())
.amount_msats(1000)
.build().unwrap()
.sign(recipient_sign).unwrap();
- assert!(outbound_payments.add_new_awaiting_invoice(
- payment_id, Retry::Attempts(0), Some(invoice.amount_msats() / 100 + 50_000))
- .is_ok()
+ 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());
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("foo".into(), recipient_pubkey())
.amount_msats(1000)
assert!(pending_events.lock().unwrap().is_empty());
assert!(
- outbound_payments.add_new_awaiting_invoice(payment_id, Retry::Attempts(0), Some(1234)).is_ok()
+ outbound_payments.add_new_awaiting_invoice(
+ payment_id, expiration, Retry::Attempts(0), Some(1234)
+ ).is_ok()
);
assert!(outbound_payments.has_pending_payments());
projects / rust-lightning / blobdiff