//! # use lightning::util::logger::{Logger, Record};
//! # use lightning::util::ser::{Writeable, Writer};
//! # use lightning_invoice::Invoice;
-//! # use lightning_invoice::payment::{InvoicePayer, Payer, Retry, ScoringRouter};
+//! # use lightning_invoice::payment::{InvoicePayer, Payer, Retry};
//! # use secp256k1::PublicKey;
//! # use std::cell::RefCell;
//! # use std::ops::Deref;
//! # impl Router for FakeRouter {
//! # fn find_route(
//! # &self, payer: &PublicKey, params: &RouteParameters,
-//! # first_hops: Option<&[&ChannelDetails]>, _inflight_htlcs: InFlightHtlcs
+//! # first_hops: Option<&[&ChannelDetails]>, _inflight_htlcs: &InFlightHtlcs
//! # ) -> Result<Route, LightningError> { unimplemented!() }
-//! # }
-//! # impl ScoringRouter for FakeRouter {
//! # fn notify_payment_path_failed(&self, path: &[&RouteHop], short_channel_id: u64) { unimplemented!() }
//! # fn notify_payment_path_successful(&self, path: &[&RouteHop]) { unimplemented!() }
//! # fn notify_payment_probe_successful(&self, path: &[&RouteHop]) { unimplemented!() }
use lightning::ln::{PaymentHash, PaymentPreimage, PaymentSecret};
use lightning::ln::channelmanager::{ChannelDetails, PaymentId, PaymentSendFailure};
use lightning::ln::msgs::LightningError;
-use lightning::routing::router::{InFlightHtlcs, PaymentParameters, Route, RouteHop, RouteParameters, Router};
+use lightning::routing::router::{InFlightHtlcs, PaymentParameters, Route, RouteParameters, Router};
use lightning::util::events::{Event, EventHandler};
use lightning::util::logger::Logger;
use crate::time_utils::Time;
/// (C-not exported) generally all users should use the [`InvoicePayer`] type alias.
pub struct InvoicePayerUsingTime<
P: Deref,
- R: ScoringRouter,
+ R: Router,
L: Deref,
E: sealed::BaseEventHandler,
T: Time
fn inflight_htlcs(&self) -> InFlightHtlcs;
}
-/// A trait defining behavior for a [`Router`] implementation that also supports scoring channels
-/// based on payment and probe success/failure.
-///
-/// [`Router`]: lightning::routing::router::Router
-pub trait ScoringRouter: Router {
- /// Finds a [`Route`] between `payer` and `payee` for a payment with the given values. Includes
- /// `PaymentHash` and `PaymentId` to be able to correlate the request with a specific payment.
- fn find_route_with_id(
- &self, payer: &PublicKey, route_params: &RouteParameters,
- first_hops: Option<&[&ChannelDetails]>, inflight_htlcs: InFlightHtlcs,
- _payment_hash: PaymentHash, _payment_id: PaymentId
- ) -> Result<Route, LightningError> {
- self.find_route(payer, route_params, first_hops, inflight_htlcs)
- }
- /// Lets the router know that payment through a specific path has failed.
- fn notify_payment_path_failed(&self, path: &[&RouteHop], short_channel_id: u64);
- /// Lets the router know that payment through a specific path was successful.
- fn notify_payment_path_successful(&self, path: &[&RouteHop]);
- /// Lets the router know that a payment probe was successful.
- fn notify_payment_probe_successful(&self, path: &[&RouteHop]);
- /// Lets the router know that a payment probe failed.
- fn notify_payment_probe_failed(&self, path: &[&RouteHop], short_channel_id: u64);
-}
-
/// Strategies available to retry payment path failures for an [`Invoice`].
///
#[derive(Clone, Copy, Debug, Eq, Hash, PartialEq)]
Sending(PaymentSendFailure),
}
-impl<P: Deref, R: ScoringRouter, L: Deref, E: sealed::BaseEventHandler, T: Time>
+impl<P: Deref, R: Router, L: Deref, E: sealed::BaseEventHandler, T: Time>
InvoicePayerUsingTime<P, R, L, E, T>
where
P::Target: Payer,
let first_hops = self.payer.first_hops();
let inflight_htlcs = self.payer.inflight_htlcs();
let route = self.router.find_route(
- &payer, ¶ms, Some(&first_hops.iter().collect::<Vec<_>>()), inflight_htlcs
+ &payer, ¶ms, Some(&first_hops.iter().collect::<Vec<_>>()), &inflight_htlcs
).map_err(|e| PaymentError::Routing(e))?;
match send_payment(&route) {
let inflight_htlcs = self.payer.inflight_htlcs();
let route = self.router.find_route(
- &payer, ¶ms, Some(&first_hops.iter().collect::<Vec<_>>()), inflight_htlcs
+ &payer, ¶ms, Some(&first_hops.iter().collect::<Vec<_>>()), &inflight_htlcs
);
if route.is_err() {
} else { false }
}
-impl<P: Deref, R: ScoringRouter, L: Deref, E: sealed::BaseEventHandler, T: Time>
+impl<P: Deref, R: Router, L: Deref, E: sealed::BaseEventHandler, T: Time>
InvoicePayerUsingTime<P, R, L, E, T>
where
P::Target: Payer,
}
}
-impl<P: Deref, R: ScoringRouter, L: Deref, E: EventHandler, T: Time>
+impl<P: Deref, R: Router, L: Deref, E: EventHandler, T: Time>
EventHandler for InvoicePayerUsingTime<P, R, L, E, T>
where
P::Target: Payer,
}
}
-impl<P: Deref, R: ScoringRouter, L: Deref, T: Time, F: Future, H: Fn(Event) -> F>
+impl<P: Deref, R: Router, L: Deref, T: Time, F: Future, H: Fn(Event) -> F>
InvoicePayerUsingTime<P, R, L, H, T>
where
P::Target: Payer,
mod tests {
use super::*;
use crate::{InvoiceBuilder, Currency};
- use crate::utils::{ScorerAccountingForInFlightHtlcs, create_invoice_from_channelmanager_and_duration_since_epoch};
+ use crate::utils::create_invoice_from_channelmanager_and_duration_since_epoch;
use bitcoin_hashes::sha256::Hash as Sha256;
use lightning::ln::PaymentPreimage;
use lightning::ln::channelmanager;
use lightning::ln::functional_test_utils::*;
use lightning::ln::msgs::{ChannelMessageHandler, ErrorAction, LightningError};
use lightning::routing::gossip::{EffectiveCapacity, NodeId};
- use lightning::routing::router::{InFlightHtlcs, PaymentParameters, Route, RouteHop, Router};
+ use lightning::routing::router::{InFlightHtlcs, PaymentParameters, Route, RouteHop, Router, ScorerAccountingForInFlightHtlcs};
use lightning::routing::scoring::{ChannelUsage, LockableScore, Score};
use lightning::util::test_utils::TestLogger;
use lightning::util::errors::APIError;
impl Router for TestRouter {
fn find_route(
&self, payer: &PublicKey, route_params: &RouteParameters,
- _first_hops: Option<&[&ChannelDetails]>, inflight_htlcs: InFlightHtlcs
+ _first_hops: Option<&[&ChannelDetails]>, inflight_htlcs: &InFlightHtlcs
) -> Result<Route, LightningError> {
// Simulate calling the Scorer just as you would in find_route
let route = Self::route_for_value(route_params.final_value_msat);
- let mut locked_scorer = self.scorer.lock();
- let scorer = ScorerAccountingForInFlightHtlcs::new(locked_scorer.deref_mut(), inflight_htlcs);
+ let locked_scorer = self.scorer.lock();
+ let scorer = ScorerAccountingForInFlightHtlcs::new(locked_scorer, inflight_htlcs);
for path in route.paths {
let mut aggregate_msat = 0u64;
for (idx, hop) in path.iter().rev().enumerate() {
payment_params: Some(route_params.payment_params.clone()), ..Self::route_for_value(route_params.final_value_msat)
})
}
- }
- impl ScoringRouter for TestRouter {
fn notify_payment_path_failed(&self, path: &[&RouteHop], short_channel_id: u64) {
self.scorer.lock().payment_path_failed(path, short_channel_id);
}
impl Router for FailingRouter {
fn find_route(
&self, _payer: &PublicKey, _params: &RouteParameters, _first_hops: Option<&[&ChannelDetails]>,
- _inflight_htlcs: InFlightHtlcs,
+ _inflight_htlcs: &InFlightHtlcs,
) -> Result<Route, LightningError> {
Err(LightningError { err: String::new(), action: ErrorAction::IgnoreError })
}
- }
- impl ScoringRouter for FailingRouter {
fn notify_payment_path_failed(&self, _path: &[&RouteHop], _short_channel_id: u64) {}
fn notify_payment_path_successful(&self, _path: &[&RouteHop]) {}
impl Router for ManualRouter {
fn find_route(
&self, _payer: &PublicKey, _params: &RouteParameters, _first_hops: Option<&[&ChannelDetails]>,
- _inflight_htlcs: InFlightHtlcs
+ _inflight_htlcs: &InFlightHtlcs
) -> Result<Route, LightningError> {
self.0.borrow_mut().pop_front().unwrap()
}
- }
- impl ScoringRouter for ManualRouter {
+
fn notify_payment_path_failed(&self, _path: &[&RouteHop], _short_channel_id: u64) {}
fn notify_payment_path_successful(&self, _path: &[&RouteHop]) {}
projects / rust-lightning / blobdiff