]> git.bitcoin.ninja Git - rust-lightning/commitdiff
Rename `Payee` to `PaymentParameters`
authorElias Rohrer <elias.rohrer@tu-berlin.de>
Fri, 21 Jan 2022 09:39:01 +0000 (10:39 +0100)
committerElias Rohrer <elias.rohrer@tu-berlin.de>
Fri, 21 Jan 2022 09:39:01 +0000 (10:39 +0100)
14 files changed:
fuzz/src/chanmon_consistency.rs
fuzz/src/full_stack.rs
fuzz/src/router.rs
lightning-invoice/src/payment.rs
lightning-invoice/src/utils.rs
lightning/src/ln/channel.rs
lightning/src/ln/channelmanager.rs
lightning/src/ln/features.rs
lightning/src/ln/functional_test_utils.rs
lightning/src/ln/functional_tests.rs
lightning/src/ln/onion_utils.rs
lightning/src/ln/payment_tests.rs
lightning/src/ln/shutdown_tests.rs
lightning/src/routing/router.rs

index f41b17a1430da1bd439a816802c23432538bd6a7..73cbb7a4a7f26634b6f825582d7d2be33612ca9a 100644 (file)
@@ -308,7 +308,7 @@ fn send_payment(source: &ChanMan, dest: &ChanMan, dest_chan_id: u64, amt: u64, p
                        fee_msat: amt,
                        cltv_expiry_delta: 200,
                }]],
-               payee: None,
+               payment_params: None,
        }, payment_hash, &Some(payment_secret)) {
                check_payment_err(err);
                false
@@ -334,7 +334,7 @@ fn send_hop_payment(source: &ChanMan, middle: &ChanMan, middle_chan_id: u64, des
                        fee_msat: amt,
                        cltv_expiry_delta: 200,
                }]],
-               payee: None,
+               payment_params: None,
        }, payment_hash, &Some(payment_secret)) {
                check_payment_err(err);
                false
index 34c6f554c18e3a550759415f649e872c002383b3..fd0df5a02e1df1b06639edb3c35672580000f069 100644 (file)
@@ -38,7 +38,7 @@ use lightning::ln::peer_handler::{MessageHandler,PeerManager,SocketDescriptor,Ig
 use lightning::ln::msgs::DecodeError;
 use lightning::ln::script::ShutdownScript;
 use lightning::routing::network_graph::{NetGraphMsgHandler, NetworkGraph};
-use lightning::routing::router::{find_route, Payee, RouteParameters};
+use lightning::routing::router::{find_route, PaymentParameters, RouteParameters};
 use lightning::routing::scoring::Scorer;
 use lightning::util::config::UserConfig;
 use lightning::util::errors::APIError;
@@ -446,9 +446,9 @@ pub fn do_test(data: &[u8], logger: &Arc<dyn Logger>) {
                        },
                        4 => {
                                let final_value_msat = slice_to_be24(get_slice!(3)) as u64;
-                               let payee = Payee::from_node_id(get_pubkey!());
+                               let payment_params = PaymentParameters::from_node_id(get_pubkey!());
                                let params = RouteParameters {
-                                       payee,
+                                       payment_params,
                                        final_value_msat,
                                        final_cltv_expiry_delta: 42,
                                };
@@ -469,9 +469,9 @@ pub fn do_test(data: &[u8], logger: &Arc<dyn Logger>) {
                        },
                        15 => {
                                let final_value_msat = slice_to_be24(get_slice!(3)) as u64;
-                               let payee = Payee::from_node_id(get_pubkey!());
+                               let payment_params = PaymentParameters::from_node_id(get_pubkey!());
                                let params = RouteParameters {
-                                       payee,
+                                       payment_params,
                                        final_value_msat,
                                        final_cltv_expiry_delta: 42,
                                };
index d6aa97e42e7fc3939c327501017080b03e2552cb..efa244d9bf5cb6eb4715730fff3f2baca5f9f2f7 100644 (file)
@@ -16,7 +16,7 @@ use lightning::chain::transaction::OutPoint;
 use lightning::ln::channelmanager::{ChannelDetails, ChannelCounterparty};
 use lightning::ln::features::InitFeatures;
 use lightning::ln::msgs;
-use lightning::routing::router::{find_route, Payee, RouteHint, RouteHintHop, RouteParameters};
+use lightning::routing::router::{find_route, PaymentParameters, RouteHint, RouteHintHop, RouteParameters};
 use lightning::routing::scoring::Scorer;
 use lightning::util::logger::Logger;
 use lightning::util::ser::Readable;
@@ -251,12 +251,12 @@ pub fn do_test<Out: test_logger::Output>(data: &[u8], out: Out) {
                                }
                                let scorer = Scorer::with_fixed_penalty(0);
                                for target in node_pks.iter() {
-                                       let params = RouteParameters {
-                                               payee: Payee::from_node_id(*target).with_route_hints(last_hops.clone()),
+                                       let route_params = RouteParameters {
+                                               payment_params: PaymentParameters::from_node_id(*target).with_route_hints(last_hops.clone()),
                                                final_value_msat: slice_to_be64(get_slice!(8)),
                                                final_cltv_expiry_delta: slice_to_be32(get_slice!(4)),
                                        };
-                                       let _ = find_route(&our_pubkey, &params, &net_graph,
+                                       let _ = find_route(&our_pubkey, &route_params, &net_graph,
                                                first_hops.map(|c| c.iter().collect::<Vec<_>>()).as_ref().map(|a| a.as_slice()),
                                                Arc::clone(&logger), &scorer);
                                }
index d73ca538981d9e203d2614f68acab93e1a6caf46..f2486969e769d53d9f23c9864aaf4963b6378c67 100644 (file)
@@ -143,7 +143,7 @@ use lightning::ln::{PaymentHash, PaymentPreimage, PaymentSecret};
 use lightning::ln::channelmanager::{ChannelDetails, PaymentId, PaymentSendFailure};
 use lightning::ln::msgs::LightningError;
 use lightning::routing::scoring::{LockableScore, Score};
-use lightning::routing::router::{Payee, Route, RouteParameters};
+use lightning::routing::router::{PaymentParameters, Route, RouteParameters};
 use lightning::util::events::{Event, EventHandler};
 use lightning::util::logger::Logger;
 use crate::sync::Mutex;
@@ -206,7 +206,7 @@ pub trait Payer {
 pub trait Router<S: Score> {
        /// Finds a [`Route`] between `payer` and `payee` for a payment with the given values.
        fn find_route(
-               &self, payer: &PublicKey, params: &RouteParameters, payment_hash: &PaymentHash,
+               &self, payer: &PublicKey, route_params: &RouteParameters, payment_hash: &PaymentHash,
                first_hops: Option<&[&ChannelDetails]>, scorer: &S
        ) -> Result<Route, LightningError>;
 }
@@ -296,14 +296,14 @@ where
                };
 
                let payment_secret = Some(invoice.payment_secret().clone());
-               let mut payee = Payee::from_node_id(invoice.recover_payee_pub_key())
+               let mut payment_params = PaymentParameters::from_node_id(invoice.recover_payee_pub_key())
                        .with_expiry_time(expiry_time_from_unix_epoch(&invoice).as_secs())
                        .with_route_hints(invoice.route_hints());
                if let Some(features) = invoice.features() {
-                       payee = payee.with_features(features.clone());
+                       payment_params = payment_params.with_features(features.clone());
                }
-               let params = RouteParameters {
-                       payee,
+               let route_params = RouteParameters {
+                       payment_params,
                        final_value_msat: invoice.amount_milli_satoshis().or(amount_msats).unwrap(),
                        final_cltv_expiry_delta: invoice.min_final_cltv_expiry() as u32,
                };
@@ -311,7 +311,7 @@ where
                let send_payment = |route: &Route| {
                        self.payer.send_payment(route, payment_hash, &payment_secret)
                };
-               self.pay_internal(&params, payment_hash, send_payment)
+               self.pay_internal(&route_params, payment_hash, send_payment)
                        .map_err(|e| { self.payment_cache.lock().unwrap().remove(&payment_hash); e })
        }
 
@@ -330,8 +330,8 @@ where
                        hash_map::Entry::Vacant(entry) => entry.insert(0),
                };
 
-               let params = RouteParameters {
-                       payee: Payee::for_keysend(pubkey),
+               let route_params = RouteParameters {
+                       payment_params: PaymentParameters::for_keysend(pubkey),
                        final_value_msat: amount_msats,
                        final_cltv_expiry_delta,
                };
@@ -339,7 +339,7 @@ where
                let send_payment = |route: &Route| {
                        self.payer.send_spontaneous_payment(route, payment_preimage)
                };
-               self.pay_internal(&params, payment_hash, send_payment)
+               self.pay_internal(&route_params, payment_hash, send_payment)
                        .map_err(|e| { self.payment_cache.lock().unwrap().remove(&payment_hash); e })
        }
 
@@ -462,8 +462,8 @@ fn expiry_time_from_unix_epoch(invoice: &Invoice) -> Duration {
 }
 
 #[cfg(feature = "std")]
-fn has_expired(params: &RouteParameters) -> bool {
-       if let Some(expiry_time) = params.payee.expiry_time {
+fn has_expired(route_params: &RouteParameters) -> bool {
+       if let Some(expiry_time) = route_params.payment_params.expiry_time {
                Invoice::is_expired_from_epoch(&SystemTime::UNIX_EPOCH, Duration::from_secs(expiry_time))
        } else { false }
 }
@@ -533,7 +533,7 @@ mod tests {
        use lightning::ln::functional_test_utils::*;
        use lightning::ln::msgs::{ChannelMessageHandler, ErrorAction, LightningError};
        use lightning::routing::network_graph::NodeId;
-       use lightning::routing::router::{Payee, Route, RouteHop};
+       use lightning::routing::router::{PaymentParameters, Route, RouteHop};
        use lightning::util::test_utils::TestLogger;
        use lightning::util::errors::APIError;
        use lightning::util::events::{Event, EventsProvider, MessageSendEvent, MessageSendEventsProvider};
@@ -882,7 +882,7 @@ mod tests {
                assert_eq!(*payer.attempts.borrow(), 1);
 
                let mut retry_data = TestRouter::retry_for_invoice(&invoice);
-               retry_data.payee.expiry_time = Some(SystemTime::now()
+               retry_data.payment_params.expiry_time = Some(SystemTime::now()
                        .checked_sub(Duration::from_secs(2)).unwrap()
                        .duration_since(SystemTime::UNIX_EPOCH).unwrap().as_secs());
                let event = Event::PaymentPathFailed {
@@ -1136,7 +1136,7 @@ mod tests {
                assert_eq!(*payer.attempts.borrow(), 1);
 
                let retry = RouteParameters {
-                       payee: Payee::for_keysend(pubkey),
+                       payment_params: PaymentParameters::for_keysend(pubkey),
                        final_value_msat,
                        final_cltv_expiry_delta,
                };
@@ -1251,7 +1251,7 @@ mod tests {
                                                short_channel_id: 1, fee_msat: final_value_msat / 2, cltv_expiry_delta: 144
                                        }],
                                ],
-                               payee: None,
+                               payment_params: None,
                        }
                }
 
@@ -1260,15 +1260,15 @@ mod tests {
                }
 
                fn retry_for_invoice(invoice: &Invoice) -> RouteParameters {
-                       let mut payee = Payee::from_node_id(invoice.recover_payee_pub_key())
+                       let mut payment_params = PaymentParameters::from_node_id(invoice.recover_payee_pub_key())
                                .with_expiry_time(expiry_time_from_unix_epoch(invoice).as_secs())
                                .with_route_hints(invoice.route_hints());
                        if let Some(features) = invoice.features() {
-                               payee = payee.with_features(features.clone());
+                               payment_params = payment_params.with_features(features.clone());
                        }
                        let final_value_msat = invoice.amount_milli_satoshis().unwrap() / 2;
                        RouteParameters {
-                               payee,
+                               payment_params,
                                final_value_msat,
                                final_cltv_expiry_delta: invoice.min_final_cltv_expiry() as u32,
                        }
@@ -1277,11 +1277,11 @@ mod tests {
 
        impl<S: Score> Router<S> for TestRouter {
                fn find_route(
-                       &self, _payer: &PublicKey, params: &RouteParameters, _payment_hash: &PaymentHash,
+                       &self, _payer: &PublicKey, route_params: &RouteParameters, _payment_hash: &PaymentHash,
                        _first_hops: Option<&[&ChannelDetails]>, _scorer: &S
                ) -> Result<Route, LightningError> {
                        Ok(Route {
-                               payee: Some(params.payee.clone()), ..Self::route_for_value(params.final_value_msat)
+                               payment_params: Some(route_params.payment_params.clone()), ..Self::route_for_value(route_params.final_value_msat)
                        })
                }
        }
@@ -1543,7 +1543,7 @@ mod tests {
                                        cltv_expiry_delta: 100,
                                }],
                        ],
-                       payee: Some(Payee::from_node_id(nodes[1].node.get_our_node_id())),
+                       payment_params: Some(PaymentParameters::from_node_id(nodes[1].node.get_our_node_id())),
                };
                let router = ManualRouter(RefCell::new(VecDeque::new()));
                router.expect_find_route(Ok(route.clone()));
@@ -1587,7 +1587,7 @@ mod tests {
                                        cltv_expiry_delta: 100,
                                }],
                        ],
-                       payee: Some(Payee::from_node_id(nodes[1].node.get_our_node_id())),
+                       payment_params: Some(PaymentParameters::from_node_id(nodes[1].node.get_our_node_id())),
                };
                let router = ManualRouter(RefCell::new(VecDeque::new()));
                router.expect_find_route(Ok(route.clone()));
@@ -1668,7 +1668,7 @@ mod tests {
                                        cltv_expiry_delta: 100,
                                }]
                        ],
-                       payee: Some(Payee::from_node_id(nodes[2].node.get_our_node_id())),
+                       payment_params: Some(PaymentParameters::from_node_id(nodes[2].node.get_our_node_id())),
                };
                let router = ManualRouter(RefCell::new(VecDeque::new()));
                router.expect_find_route(Ok(route.clone()));
index ffa84c98ef6191045a719a1d25aa7215ecabd186..0a987a4fb52a6d2212754ab85197ce9f9dbc4399 100644 (file)
@@ -198,7 +198,7 @@ mod test {
        use lightning::ln::functional_test_utils::*;
        use lightning::ln::features::InitFeatures;
        use lightning::ln::msgs::ChannelMessageHandler;
-       use lightning::routing::router::{Payee, RouteParameters, find_route};
+       use lightning::routing::router::{PaymentParameters, RouteParameters, find_route};
        use lightning::util::events::MessageSendEventsProvider;
        use lightning::util::test_utils;
        use utils::create_invoice_from_channelmanager_and_duration_since_epoch;
@@ -217,11 +217,11 @@ mod test {
                assert_eq!(invoice.min_final_cltv_expiry(), MIN_FINAL_CLTV_EXPIRY as u64);
                assert_eq!(invoice.description(), InvoiceDescription::Direct(&Description("test".to_string())));
 
-               let payee = Payee::from_node_id(invoice.recover_payee_pub_key())
+               let payment_params = PaymentParameters::from_node_id(invoice.recover_payee_pub_key())
                        .with_features(invoice.features().unwrap().clone())
                        .with_route_hints(invoice.route_hints());
-               let params = RouteParameters {
-                       payee,
+               let route_params = RouteParameters {
+                       payment_params,
                        final_value_msat: invoice.amount_milli_satoshis().unwrap(),
                        final_cltv_expiry_delta: invoice.min_final_cltv_expiry() as u32,
                };
@@ -230,7 +230,7 @@ mod test {
                let logger = test_utils::TestLogger::new();
                let scorer = test_utils::TestScorer::with_fixed_penalty(0);
                let route = find_route(
-                       &nodes[0].node.get_our_node_id(), &params, network_graph,
+                       &nodes[0].node.get_our_node_id(), &route_params, network_graph,
                        Some(&first_hops.iter().collect::<Vec<_>>()), &logger, &scorer,
                ).unwrap();
 
index 03633cec188a57e0934b2f055c2cc6e1d73e9208..e5dae3ac7121fbcdaafee7b9d6fa48961a5dd3a5 100644 (file)
@@ -5992,7 +5992,7 @@ mod tests {
                                first_hop_htlc_msat: 548,
                                payment_id: PaymentId([42; 32]),
                                payment_secret: None,
-                               payee: None,
+                               payment_params: None,
                        }
                });
 
index 77e9152d4c1d3ad5af0ff6283345301261d3dcbe..e234b1ed92d2b0723a0aa23ea4cb07937e374555 100644 (file)
@@ -45,7 +45,7 @@ use chain::transaction::{OutPoint, TransactionData};
 use ln::{PaymentHash, PaymentPreimage, PaymentSecret};
 use ln::channel::{Channel, ChannelError, ChannelUpdateStatus, UpdateFulfillCommitFetch};
 use ln::features::{InitFeatures, NodeFeatures};
-use routing::router::{Payee, Route, RouteHop, RoutePath, RouteParameters};
+use routing::router::{PaymentParameters, Route, RouteHop, RoutePath, RouteParameters};
 use ln::msgs;
 use ln::msgs::NetAddress;
 use ln::onion_utils;
@@ -491,7 +491,7 @@ pub(crate) enum HTLCSource {
                first_hop_htlc_msat: u64,
                payment_id: PaymentId,
                payment_secret: Option<PaymentSecret>,
-               payee: Option<Payee>,
+               payment_params: Option<PaymentParameters>,
        },
 }
 #[allow(clippy::derive_hash_xor_eq)] // Our Hash is faithful to the data, we just don't have SecretKey::hash
@@ -502,14 +502,14 @@ impl core::hash::Hash for HTLCSource {
                                0u8.hash(hasher);
                                prev_hop_data.hash(hasher);
                        },
-                       HTLCSource::OutboundRoute { path, session_priv, payment_id, payment_secret, first_hop_htlc_msat, payee } => {
+                       HTLCSource::OutboundRoute { path, session_priv, payment_id, payment_secret, first_hop_htlc_msat, payment_params } => {
                                1u8.hash(hasher);
                                path.hash(hasher);
                                session_priv[..].hash(hasher);
                                payment_id.hash(hasher);
                                payment_secret.hash(hasher);
                                first_hop_htlc_msat.hash(hasher);
-                               payee.hash(hasher);
+                               payment_params.hash(hasher);
                        },
                }
        }
@@ -523,7 +523,7 @@ impl HTLCSource {
                        first_hop_htlc_msat: 0,
                        payment_id: PaymentId([2; 32]),
                        payment_secret: None,
-                       payee: None,
+                       payment_params: None,
                }
        }
 }
@@ -2428,7 +2428,7 @@ impl<Signer: Sign, M: Deref, T: Deref, K: Deref, F: Deref, L: Deref> ChannelMana
        }
 
        // Only public for testing, this should otherwise never be called direcly
-       pub(crate) fn send_payment_along_path(&self, path: &Vec<RouteHop>, payee: &Option<Payee>, payment_hash: &PaymentHash, payment_secret: &Option<PaymentSecret>, total_value: u64, cur_height: u32, payment_id: PaymentId, keysend_preimage: &Option<PaymentPreimage>) -> Result<(), APIError> {
+       pub(crate) fn send_payment_along_path(&self, path: &Vec<RouteHop>, payment_params: &Option<PaymentParameters>, payment_hash: &PaymentHash, payment_secret: &Option<PaymentSecret>, total_value: u64, cur_height: u32, payment_id: PaymentId, keysend_preimage: &Option<PaymentPreimage>) -> Result<(), APIError> {
                log_trace!(self.logger, "Attempting to send payment for path with next hop {}", path.first().unwrap().short_channel_id);
                let prng_seed = self.keys_manager.get_secure_random_bytes();
                let session_priv_bytes = self.keys_manager.get_secure_random_bytes();
@@ -2493,7 +2493,7 @@ impl<Signer: Sign, M: Deref, T: Deref, K: Deref, F: Deref, L: Deref> ChannelMana
                                                        first_hop_htlc_msat: htlc_msat,
                                                        payment_id,
                                                        payment_secret: payment_secret.clone(),
-                                                       payee: payee.clone(),
+                                                       payment_params: payment_params.clone(),
                                                }, onion_packet, &self.logger),
                                        channel_state, chan)
                                } {
@@ -2622,7 +2622,7 @@ impl<Signer: Sign, M: Deref, T: Deref, K: Deref, F: Deref, L: Deref> ChannelMana
                let cur_height = self.best_block.read().unwrap().height() + 1;
                let mut results = Vec::new();
                for path in route.paths.iter() {
-                       results.push(self.send_payment_along_path(&path, &route.payee, &payment_hash, payment_secret, total_value, cur_height, payment_id, &keysend_preimage));
+                       results.push(self.send_payment_along_path(&path, &route.payment_params, &payment_hash, payment_secret, total_value, cur_height, payment_id, &keysend_preimage));
                }
                let mut has_ok = false;
                let mut has_err = false;
@@ -2646,9 +2646,9 @@ impl<Signer: Sign, M: Deref, T: Deref, K: Deref, F: Deref, L: Deref> ChannelMana
                                results,
                                payment_id,
                                failed_paths_retry: if pending_amt_unsent != 0 {
-                                       if let Some(payee) = &route.payee {
+                                       if let Some(payment_params) = &route.payment_params {
                                                Some(RouteParameters {
-                                                       payee: payee.clone(),
+                                                       payment_params: payment_params.clone(),
                                                        final_value_msat: pending_amt_unsent,
                                                        final_cltv_expiry_delta: max_unsent_cltv_delta,
                                                })
@@ -3585,16 +3585,16 @@ impl<Signer: Sign, M: Deref, T: Deref, K: Deref, F: Deref, L: Deref> ChannelMana
                                        self.fail_htlc_backwards_internal(channel_state,
                                                htlc_src, &payment_hash, HTLCFailReason::Reason { failure_code, data: onion_failure_data});
                                },
-                               HTLCSource::OutboundRoute { session_priv, payment_id, path, payee, .. } => {
+                               HTLCSource::OutboundRoute { session_priv, payment_id, path, payment_params, .. } => {
                                        let mut session_priv_bytes = [0; 32];
                                        session_priv_bytes.copy_from_slice(&session_priv[..]);
                                        let mut outbounds = self.pending_outbound_payments.lock().unwrap();
                                        if let hash_map::Entry::Occupied(mut payment) = outbounds.entry(payment_id) {
                                                if payment.get_mut().remove(&session_priv_bytes, Some(&path)) && !payment.get().is_fulfilled() {
-                                                       let retry = if let Some(payee_data) = payee {
+                                                       let retry = if let Some(payment_params_data) = payment_params {
                                                                let path_last_hop = path.last().expect("Outbound payments must have had a valid path");
                                                                Some(RouteParameters {
-                                                                       payee: payee_data,
+                                                                       payment_params: payment_params_data,
                                                                        final_value_msat: path_last_hop.fee_msat,
                                                                        final_cltv_expiry_delta: path_last_hop.cltv_expiry_delta,
                                                                })
@@ -3646,7 +3646,7 @@ impl<Signer: Sign, M: Deref, T: Deref, K: Deref, F: Deref, L: Deref> ChannelMana
                // from block_connected which may run during initialization prior to the chain_monitor
                // being fully configured. See the docs for `ChannelManagerReadArgs` for more.
                match source {
-                       HTLCSource::OutboundRoute { ref path, session_priv, payment_id, ref payee, .. } => {
+                       HTLCSource::OutboundRoute { ref path, session_priv, payment_id, ref payment_params, .. } => {
                                let mut session_priv_bytes = [0; 32];
                                session_priv_bytes.copy_from_slice(&session_priv[..]);
                                let mut outbounds = self.pending_outbound_payments.lock().unwrap();
@@ -3676,10 +3676,10 @@ impl<Signer: Sign, M: Deref, T: Deref, K: Deref, F: Deref, L: Deref> ChannelMana
                                        return;
                                }
                                mem::drop(channel_state_lock);
-                               let retry = if let Some(payee_data) = payee {
+                               let retry = if let Some(payment_params_data) = payment_params {
                                        let path_last_hop = path.last().expect("Outbound payments must have had a valid path");
                                        Some(RouteParameters {
-                                               payee: payee_data.clone(),
+                                               payment_params: payment_params_data.clone(),
                                                final_value_msat: path_last_hop.fee_msat,
                                                final_cltv_expiry_delta: path_last_hop.cltv_expiry_delta,
                                        })
@@ -5985,14 +5985,14 @@ impl Readable for HTLCSource {
                                let mut path = Some(Vec::new());
                                let mut payment_id = None;
                                let mut payment_secret = None;
-                               let mut payee = None;
+                               let mut payment_params = None;
                                read_tlv_fields!(reader, {
                                        (0, session_priv, required),
                                        (1, payment_id, option),
                                        (2, first_hop_htlc_msat, required),
                                        (3, payment_secret, option),
                                        (4, path, vec_type),
-                                       (5, payee, option),
+                                       (5, payment_params, option),
                                });
                                if payment_id.is_none() {
                                        // For backwards compat, if there was no payment_id written, use the session_priv bytes
@@ -6005,7 +6005,7 @@ impl Readable for HTLCSource {
                                        path: path.unwrap(),
                                        payment_id: payment_id.unwrap(),
                                        payment_secret,
-                                       payee,
+                                       payment_params,
                                })
                        }
                        1 => Ok(HTLCSource::PreviousHopData(Readable::read(reader)?)),
@@ -6017,7 +6017,7 @@ impl Readable for HTLCSource {
 impl Writeable for HTLCSource {
        fn write<W: Writer>(&self, writer: &mut W) -> Result<(), ::io::Error> {
                match self {
-                       HTLCSource::OutboundRoute { ref session_priv, ref first_hop_htlc_msat, ref path, payment_id, payment_secret, payee } => {
+                       HTLCSource::OutboundRoute { ref session_priv, ref first_hop_htlc_msat, ref path, payment_id, payment_secret, payment_params } => {
                                0u8.write(writer)?;
                                let payment_id_opt = Some(payment_id);
                                write_tlv_fields!(writer, {
@@ -6026,7 +6026,7 @@ impl Writeable for HTLCSource {
                                        (2, first_hop_htlc_msat, required),
                                        (3, payment_secret, option),
                                        (4, path, vec_type),
-                                       (5, payee, option),
+                                       (5, payment_params, option),
                                 });
                        }
                        HTLCSource::PreviousHopData(ref field) => {
@@ -6639,7 +6639,7 @@ mod tests {
        use ln::functional_test_utils::*;
        use ln::msgs;
        use ln::msgs::ChannelMessageHandler;
-       use routing::router::{Payee, RouteParameters, find_route};
+       use routing::router::{PaymentParameters, RouteParameters, find_route};
        use util::errors::APIError;
        use util::events::{Event, MessageSendEvent, MessageSendEventsProvider};
        use util::test_utils;
@@ -6786,7 +6786,7 @@ mod tests {
                // Use the utility function send_payment_along_path to send the payment with MPP data which
                // indicates there are more HTLCs coming.
                let cur_height = CHAN_CONFIRM_DEPTH + 1; // route_payment calls send_payment, which adds 1 to the current height. So we do the same here to match.
-               nodes[0].node.send_payment_along_path(&route.paths[0], &route.payee, &our_payment_hash, &Some(payment_secret), 200_000, cur_height, payment_id, &None).unwrap();
+               nodes[0].node.send_payment_along_path(&route.paths[0], &route.payment_params, &our_payment_hash, &Some(payment_secret), 200_000, cur_height, payment_id, &None).unwrap();
                check_added_monitors!(nodes[0], 1);
                let mut events = nodes[0].node.get_and_clear_pending_msg_events();
                assert_eq!(events.len(), 1);
@@ -6816,7 +6816,7 @@ mod tests {
                expect_payment_failed!(nodes[0], our_payment_hash, true);
 
                // Send the second half of the original MPP payment.
-               nodes[0].node.send_payment_along_path(&route.paths[0], &route.payee, &our_payment_hash, &Some(payment_secret), 200_000, cur_height, payment_id, &None).unwrap();
+               nodes[0].node.send_payment_along_path(&route.paths[0], &route.payment_params, &our_payment_hash, &Some(payment_secret), 200_000, cur_height, payment_id, &None).unwrap();
                check_added_monitors!(nodes[0], 1);
                let mut events = nodes[0].node.get_and_clear_pending_msg_events();
                assert_eq!(events.len(), 1);
@@ -6902,13 +6902,13 @@ mod tests {
                let (payment_preimage, payment_hash, _) = route_payment(&nodes[0], &expected_route, 100_000);
 
                // Next, attempt a keysend payment and make sure it fails.
-               let params = RouteParameters {
-                       payee: Payee::for_keysend(expected_route.last().unwrap().node.get_our_node_id()),
+               let route_params = RouteParameters {
+                       payment_params: PaymentParameters::for_keysend(expected_route.last().unwrap().node.get_our_node_id()),
                        final_value_msat: 100_000,
                        final_cltv_expiry_delta: TEST_FINAL_CLTV,
                };
                let route = find_route(
-                       &nodes[0].node.get_our_node_id(), &params, nodes[0].network_graph, None,
+                       &nodes[0].node.get_our_node_id(), &route_params, nodes[0].network_graph, None,
                        nodes[0].logger, &scorer
                ).unwrap();
                nodes[0].node.send_spontaneous_payment(&route, Some(payment_preimage)).unwrap();
@@ -6939,7 +6939,7 @@ mod tests {
                // To start (2), send a keysend payment but don't claim it.
                let payment_preimage = PaymentPreimage([42; 32]);
                let route = find_route(
-                       &nodes[0].node.get_our_node_id(), &params, nodes[0].network_graph, None,
+                       &nodes[0].node.get_our_node_id(), &route_params, nodes[0].network_graph, None,
                        nodes[0].logger, &scorer
                ).unwrap();
                let (payment_hash, _) = nodes[0].node.send_spontaneous_payment(&route, Some(payment_preimage)).unwrap();
@@ -6993,8 +6993,8 @@ mod tests {
                nodes[1].node.peer_connected(&payer_pubkey, &msgs::Init { features: InitFeatures::known() });
 
                let _chan = create_chan_between_nodes(&nodes[0], &nodes[1], InitFeatures::known(), InitFeatures::known());
-               let params = RouteParameters {
-                       payee: Payee::for_keysend(payee_pubkey),
+               let route_params = RouteParameters {
+                       payment_params: PaymentParameters::for_keysend(payee_pubkey),
                        final_value_msat: 10000,
                        final_cltv_expiry_delta: 40,
                };
@@ -7002,7 +7002,7 @@ mod tests {
                let first_hops = nodes[0].node.list_usable_channels();
                let scorer = test_utils::TestScorer::with_fixed_penalty(0);
                let route = find_route(
-                       &payer_pubkey, &params, network_graph, Some(&first_hops.iter().collect::<Vec<_>>()),
+                       &payer_pubkey, &route_params, network_graph, Some(&first_hops.iter().collect::<Vec<_>>()),
                        nodes[0].logger, &scorer
                ).unwrap();
 
@@ -7036,8 +7036,8 @@ mod tests {
                nodes[1].node.peer_connected(&payer_pubkey, &msgs::Init { features: InitFeatures::known() });
 
                let _chan = create_chan_between_nodes(&nodes[0], &nodes[1], InitFeatures::known(), InitFeatures::known());
-               let params = RouteParameters {
-                       payee: Payee::for_keysend(payee_pubkey),
+               let route_params = RouteParameters {
+                       payment_params: PaymentParameters::for_keysend(payee_pubkey),
                        final_value_msat: 10000,
                        final_cltv_expiry_delta: 40,
                };
@@ -7045,7 +7045,7 @@ mod tests {
                let first_hops = nodes[0].node.list_usable_channels();
                let scorer = test_utils::TestScorer::with_fixed_penalty(0);
                let route = find_route(
-                       &payer_pubkey, &params, network_graph, Some(&first_hops.iter().collect::<Vec<_>>()),
+                       &payer_pubkey, &route_params, network_graph, Some(&first_hops.iter().collect::<Vec<_>>()),
                        nodes[0].logger, &scorer
                ).unwrap();
 
@@ -7136,7 +7136,7 @@ pub mod bench {
        use ln::functional_test_utils::*;
        use ln::msgs::{ChannelMessageHandler, Init};
        use routing::network_graph::NetworkGraph;
-       use routing::router::{Payee, get_route};
+       use routing::router::{PaymentParameters, get_route};
        use routing::scoring::Scorer;
        use util::test_utils;
        use util::config::UserConfig;
@@ -7245,10 +7245,10 @@ pub mod bench {
                macro_rules! send_payment {
                        ($node_a: expr, $node_b: expr) => {
                                let usable_channels = $node_a.list_usable_channels();
-                               let payee = Payee::from_node_id($node_b.get_our_node_id())
+                               let payment_params = PaymentParameters::from_node_id($node_b.get_our_node_id())
                                        .with_features(InvoiceFeatures::known());
                                let scorer = Scorer::with_fixed_penalty(0);
-                               let route = get_route(&$node_a.get_our_node_id(), &payee, &dummy_graph,
+                               let route = get_route(&$node_a.get_our_node_id(), &payment_params, &dummy_graph,
                                        Some(&usable_channels.iter().map(|r| r).collect::<Vec<_>>()), 10_000, TEST_FINAL_CLTV, &logger_a, &scorer).unwrap();
 
                                let mut payment_preimage = PaymentPreimage([0; 32]);
index dab841327802fc8ae3ee0c869395a7ce378c4148..0ccce88e9f5d71743530a441504ac7c18b1da6a2 100644 (file)
@@ -500,10 +500,10 @@ impl InvoiceFeatures {
        /// Getting a route for a keysend payment to a private node requires providing the payee's
        /// features (since they were not announced in a node announcement). However, keysend payments
        /// don't have an invoice to pull the payee's features from, so this method is provided for use in
-       /// [`Payee::for_keysend`], thus omitting the need for payers to manually construct an
+       /// [`PaymentParameters::for_keysend`], thus omitting the need for payers to manually construct an
        /// `InvoiceFeatures` for [`find_route`].
        ///
-       /// [`Payee::for_keysend`]: crate::routing::router::Payee::for_keysend
+       /// [`PaymentParameters::for_keysend`]: crate::routing::router::PaymentParameters::for_keysend
        /// [`find_route`]: crate::routing::router::find_route
        pub(crate) fn for_keysend() -> InvoiceFeatures {
                InvoiceFeatures::empty().set_variable_length_onion_optional()
index 2e8994b5880284337e19f62dcdc18cd0ab03c726..5ec16f90fc9bbba19bebb59e25f6621cbab2a84f 100644 (file)
@@ -16,7 +16,7 @@ use chain::transaction::OutPoint;
 use ln::{PaymentPreimage, PaymentHash, PaymentSecret};
 use ln::channelmanager::{ChainParameters, ChannelManager, ChannelManagerReadArgs, RAACommitmentOrder, PaymentSendFailure, PaymentId};
 use routing::network_graph::{NetGraphMsgHandler, NetworkGraph};
-use routing::router::{Payee, Route, get_route};
+use routing::router::{PaymentParameters, Route, get_route};
 use ln::features::{InitFeatures, InvoiceFeatures};
 use ln::msgs;
 use ln::msgs::{ChannelMessageHandler,RoutingMessageHandler};
@@ -1075,12 +1075,12 @@ macro_rules! get_route_and_payment_hash {
        }};
        ($send_node: expr, $recv_node: expr, $last_hops: expr, $recv_value: expr, $cltv: expr) => {{
                let (payment_preimage, payment_hash, payment_secret) = $crate::get_payment_preimage_hash!($recv_node, Some($recv_value));
-               let payee = $crate::routing::router::Payee::from_node_id($recv_node.node.get_our_node_id())
+               let payment_params = $crate::routing::router::PaymentParameters::from_node_id($recv_node.node.get_our_node_id())
                        .with_features($crate::ln::features::InvoiceFeatures::known())
                        .with_route_hints($last_hops);
                let scorer = $crate::util::test_utils::TestScorer::with_fixed_penalty(0);
                let route = $crate::routing::router::get_route(
-                       &$send_node.node.get_our_node_id(), &payee, $send_node.network_graph,
+                       &$send_node.node.get_our_node_id(), &payment_params, $send_node.network_graph,
                        Some(&$send_node.node.list_usable_channels().iter().collect::<Vec<_>>()),
                        $recv_value, $cltv, $send_node.logger, &scorer
                ).unwrap();
@@ -1299,7 +1299,7 @@ macro_rules! expect_payment_failed_conditions {
                                assert_eq!(rejected_by_dest, $rejected_by_dest, "unexpected rejected_by_dest value");
                                assert!(retry.is_some(), "expected retry.is_some()");
                                assert_eq!(retry.as_ref().unwrap().final_value_msat, path.last().unwrap().fee_msat, "Retry amount should match last hop in path");
-                               assert_eq!(retry.as_ref().unwrap().payee.pubkey, path.last().unwrap().pubkey, "Retry payee node_id should match last hop in path");
+                               assert_eq!(retry.as_ref().unwrap().payment_params.payee_pubkey, path.last().unwrap().pubkey, "Retry payee node_id should match last hop in path");
 
                                assert!(error_code.is_some(), "expected error_code.is_some() = true");
                                assert!(error_data.is_some(), "expected error_data.is_some() = true");
@@ -1531,11 +1531,11 @@ pub fn claim_payment<'a, 'b, 'c>(origin_node: &Node<'a, 'b, 'c>, expected_route:
 pub const TEST_FINAL_CLTV: u32 = 70;
 
 pub fn route_payment<'a, 'b, 'c>(origin_node: &Node<'a, 'b, 'c>, expected_route: &[&Node<'a, 'b, 'c>], recv_value: u64) -> (PaymentPreimage, PaymentHash, PaymentSecret) {
-       let payee = Payee::from_node_id(expected_route.last().unwrap().node.get_our_node_id())
+       let payment_params = PaymentParameters::from_node_id(expected_route.last().unwrap().node.get_our_node_id())
                .with_features(InvoiceFeatures::known());
        let scorer = test_utils::TestScorer::with_fixed_penalty(0);
        let route = get_route(
-               &origin_node.node.get_our_node_id(), &payee, &origin_node.network_graph,
+               &origin_node.node.get_our_node_id(), &payment_params, &origin_node.network_graph,
                Some(&origin_node.node.list_usable_channels().iter().collect::<Vec<_>>()),
                recv_value, TEST_FINAL_CLTV, origin_node.logger, &scorer).unwrap();
        assert_eq!(route.paths.len(), 1);
@@ -1549,10 +1549,12 @@ pub fn route_payment<'a, 'b, 'c>(origin_node: &Node<'a, 'b, 'c>, expected_route:
 }
 
 pub fn route_over_limit<'a, 'b, 'c>(origin_node: &Node<'a, 'b, 'c>, expected_route: &[&Node<'a, 'b, 'c>], recv_value: u64)  {
-       let payee = Payee::from_node_id(expected_route.last().unwrap().node.get_our_node_id())
+       let payment_params = PaymentParameters::from_node_id(expected_route.last().unwrap().node.get_our_node_id())
                .with_features(InvoiceFeatures::known());
        let scorer = test_utils::TestScorer::with_fixed_penalty(0);
-       let route = get_route(&origin_node.node.get_our_node_id(), &payee, origin_node.network_graph, None, recv_value, TEST_FINAL_CLTV, origin_node.logger, &scorer).unwrap();
+       let route = get_route(
+               &origin_node.node.get_our_node_id(), &payment_params, origin_node.network_graph, 
+               None, recv_value, TEST_FINAL_CLTV, origin_node.logger, &scorer).unwrap();
        assert_eq!(route.paths.len(), 1);
        assert_eq!(route.paths[0].len(), expected_route.len());
        for (node, hop) in expected_route.iter().zip(route.paths[0].iter()) {
index 0993caf4c1d1bd74708ed35c66be20e107f6f78e..dd9d3a3c4762e1aa1ef9f735800d23360679249b 100644 (file)
@@ -24,7 +24,7 @@ use ln::channel::{Channel, ChannelError};
 use ln::{chan_utils, onion_utils};
 use ln::chan_utils::{htlc_success_tx_weight, htlc_timeout_tx_weight, HTLCOutputInCommitment};
 use routing::network_graph::RoutingFees;
-use routing::router::{Payee, Route, RouteHop, RouteHint, RouteHintHop, RouteParameters, find_route, get_route};
+use routing::router::{PaymentParameters, Route, RouteHop, RouteHint, RouteHintHop, RouteParameters, find_route, get_route};
 use ln::features::{ChannelFeatures, InitFeatures, InvoiceFeatures, NodeFeatures};
 use ln::msgs;
 use ln::msgs::{ChannelMessageHandler, RoutingMessageHandler, ErrorAction};
@@ -1037,7 +1037,7 @@ fn fake_network_test() {
        });
        hops[1].fee_msat = chan_4.1.contents.fee_base_msat as u64 + chan_4.1.contents.fee_proportional_millionths as u64 * hops[2].fee_msat as u64 / 1000000;
        hops[0].fee_msat = chan_3.0.contents.fee_base_msat as u64 + chan_3.0.contents.fee_proportional_millionths as u64 * hops[1].fee_msat as u64 / 1000000;
-       let payment_preimage_1 = send_along_route(&nodes[1], Route { paths: vec![hops], payee: None }, &vec!(&nodes[2], &nodes[3], &nodes[1])[..], 1000000).0;
+       let payment_preimage_1 = send_along_route(&nodes[1], Route { paths: vec![hops], payment_params: None }, &vec!(&nodes[2], &nodes[3], &nodes[1])[..], 1000000).0;
 
        let mut hops = Vec::with_capacity(3);
        hops.push(RouteHop {
@@ -1066,7 +1066,7 @@ fn fake_network_test() {
        });
        hops[1].fee_msat = chan_2.1.contents.fee_base_msat as u64 + chan_2.1.contents.fee_proportional_millionths as u64 * hops[2].fee_msat as u64 / 1000000;
        hops[0].fee_msat = chan_3.1.contents.fee_base_msat as u64 + chan_3.1.contents.fee_proportional_millionths as u64 * hops[1].fee_msat as u64 / 1000000;
-       let payment_hash_2 = send_along_route(&nodes[1], Route { paths: vec![hops], payee: None }, &vec!(&nodes[3], &nodes[2], &nodes[1])[..], 1000000).1;
+       let payment_hash_2 = send_along_route(&nodes[1], Route { paths: vec![hops], payment_params: None }, &vec!(&nodes[3], &nodes[2], &nodes[1])[..], 1000000).1;
 
        // Claim the rebalances...
        fail_payment(&nodes[1], &vec!(&nodes[3], &nodes[2], &nodes[1])[..], payment_hash_2);
@@ -4099,7 +4099,7 @@ fn do_test_htlc_timeout(send_partial_mpp: bool) {
                // indicates there are more HTLCs coming.
                let cur_height = CHAN_CONFIRM_DEPTH + 1; // route_payment calls send_payment, which adds 1 to the current height. So we do the same here to match.
                let payment_id = PaymentId([42; 32]);
-               nodes[0].node.send_payment_along_path(&route.paths[0], &route.payee, &our_payment_hash, &Some(payment_secret), 200000, cur_height, payment_id, &None).unwrap();
+               nodes[0].node.send_payment_along_path(&route.paths[0], &route.payment_params, &our_payment_hash, &Some(payment_secret), 200000, cur_height, payment_id, &None).unwrap();
                check_added_monitors!(nodes[0], 1);
                let mut events = nodes[0].node.get_and_clear_pending_msg_events();
                assert_eq!(events.len(), 1);
@@ -7351,8 +7351,8 @@ fn test_check_htlc_underpaying() {
        create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known());
 
        let scorer = test_utils::TestScorer::with_fixed_penalty(0);
-       let payee = Payee::from_node_id(nodes[1].node.get_our_node_id()).with_features(InvoiceFeatures::known());
-       let route = get_route(&nodes[0].node.get_our_node_id(), &payee, nodes[0].network_graph, None, 10_000, TEST_FINAL_CLTV, nodes[0].logger, &scorer).unwrap();
+       let payment_params = PaymentParameters::from_node_id(nodes[1].node.get_our_node_id()).with_features(InvoiceFeatures::known());
+       let route = get_route(&nodes[0].node.get_our_node_id(), &payment_params, nodes[0].network_graph, None, 10_000, TEST_FINAL_CLTV, nodes[0].logger, &scorer).unwrap();
        let (_, our_payment_hash, _) = get_payment_preimage_hash!(nodes[0]);
        let our_payment_secret = nodes[1].node.create_inbound_payment_for_hash(our_payment_hash, Some(100_000), 7200).unwrap();
        nodes[0].node.send_payment(&route, our_payment_hash, &Some(our_payment_secret)).unwrap();
@@ -7752,13 +7752,13 @@ fn test_bump_penalty_txn_on_revoked_htlcs() {
 
        let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1000000, 59000000, InitFeatures::known(), InitFeatures::known());
        // Lock HTLC in both directions (using a slightly lower CLTV delay to provide timely RBF bumps)
-       let payee = Payee::from_node_id(nodes[1].node.get_our_node_id()).with_features(InvoiceFeatures::known());
+       let payment_params = PaymentParameters::from_node_id(nodes[1].node.get_our_node_id()).with_features(InvoiceFeatures::known());
        let scorer = test_utils::TestScorer::with_fixed_penalty(0);
-       let route = get_route(&nodes[0].node.get_our_node_id(), &payee, &nodes[0].network_graph, None,
+       let route = get_route(&nodes[0].node.get_our_node_id(), &payment_params, &nodes[0].network_graph, None,
                3_000_000, 50, nodes[0].logger, &scorer).unwrap();
        let payment_preimage = send_along_route(&nodes[0], route, &[&nodes[1]], 3_000_000).0;
-       let payee = Payee::from_node_id(nodes[0].node.get_our_node_id()).with_features(InvoiceFeatures::known());
-       let route = get_route(&nodes[1].node.get_our_node_id(), &payee, nodes[1].network_graph, None,
+       let payment_params = PaymentParameters::from_node_id(nodes[0].node.get_our_node_id()).with_features(InvoiceFeatures::known());
+       let route = get_route(&nodes[1].node.get_our_node_id(), &payment_params, nodes[1].network_graph, None,
                3_000_000, 50, nodes[0].logger, &scorer).unwrap();
        send_along_route(&nodes[1], route, &[&nodes[0]], 3_000_000);
 
@@ -9285,13 +9285,13 @@ fn test_keysend_payments_to_public_node() {
        let network_graph = nodes[0].network_graph;
        let payer_pubkey = nodes[0].node.get_our_node_id();
        let payee_pubkey = nodes[1].node.get_our_node_id();
-       let params = RouteParameters {
-               payee: Payee::for_keysend(payee_pubkey),
+       let route_params = RouteParameters {
+               payment_params: PaymentParameters::for_keysend(payee_pubkey),
                final_value_msat: 10000,
                final_cltv_expiry_delta: 40,
        };
        let scorer = test_utils::TestScorer::with_fixed_penalty(0);
-       let route = find_route(&payer_pubkey, &params, network_graph, None, nodes[0].logger, &scorer).unwrap();
+       let route = find_route(&payer_pubkey, &route_params, network_graph, None, nodes[0].logger, &scorer).unwrap();
 
        let test_preimage = PaymentPreimage([42; 32]);
        let (payment_hash, _) = nodes[0].node.send_spontaneous_payment(&route, Some(test_preimage)).unwrap();
@@ -9317,8 +9317,8 @@ fn test_keysend_payments_to_private_node() {
        nodes[1].node.peer_connected(&payer_pubkey, &msgs::Init { features: InitFeatures::known() });
 
        let _chan = create_chan_between_nodes(&nodes[0], &nodes[1], InitFeatures::known(), InitFeatures::known());
-       let params = RouteParameters {
-               payee: Payee::for_keysend(payee_pubkey),
+       let route_params = RouteParameters {
+               payment_params: PaymentParameters::for_keysend(payee_pubkey),
                final_value_msat: 10000,
                final_cltv_expiry_delta: 40,
        };
@@ -9326,7 +9326,7 @@ fn test_keysend_payments_to_private_node() {
        let first_hops = nodes[0].node.list_usable_channels();
        let scorer = test_utils::TestScorer::with_fixed_penalty(0);
        let route = find_route(
-               &payer_pubkey, &params, network_graph, Some(&first_hops.iter().collect::<Vec<_>>()),
+               &payer_pubkey, &route_params, network_graph, Some(&first_hops.iter().collect::<Vec<_>>()),
                nodes[0].logger, &scorer
        ).unwrap();
 
index 12dc0e03b264a06b1c012b918fecda8a02a8fead..ec668045eb00614ba9ceef4df949d60572e962c4 100644 (file)
@@ -555,7 +555,7 @@ mod tests {
                                                short_channel_id: 0, fee_msat: 0, cltv_expiry_delta: 0 // Test vectors are garbage and not generateble from a RouteHop, we fill in payloads manually
                                        },
                        ]],
-                       payee: None,
+                       payment_params: None,
                };
 
                let session_priv = SecretKey::from_slice(&hex::decode("4141414141414141414141414141414141414141414141414141414141414141").unwrap()[..]).unwrap();
index 960a255e998d939e474d652be8f14072d9da25db..a86676422ed8df71faabd0b4ae7295cd1e4ed8c6 100644 (file)
@@ -18,7 +18,7 @@ use ln::channelmanager::{BREAKDOWN_TIMEOUT, ChannelManager, ChannelManagerReadAr
 use ln::features::{InitFeatures, InvoiceFeatures};
 use ln::msgs;
 use ln::msgs::ChannelMessageHandler;
-use routing::router::{Payee, get_route};
+use routing::router::{PaymentParameters, get_route};
 use util::events::{ClosureReason, Event, MessageSendEvent, MessageSendEventsProvider};
 use util::test_utils;
 use util::errors::APIError;
@@ -721,11 +721,11 @@ fn get_ldk_payment_preimage() {
        let expiry_secs = 60 * 60;
        let (payment_hash, payment_secret) = nodes[1].node.create_inbound_payment(Some(amt_msat), expiry_secs).unwrap();
 
-       let payee = Payee::from_node_id(nodes[1].node.get_our_node_id())
+       let payment_params = PaymentParameters::from_node_id(nodes[1].node.get_our_node_id())
                .with_features(InvoiceFeatures::known());
        let scorer = test_utils::TestScorer::with_fixed_penalty(0);
        let route = get_route(
-               &nodes[0].node.get_our_node_id(), &payee, &nodes[0].network_graph,
+               &nodes[0].node.get_our_node_id(), &payment_params, &nodes[0].network_graph,
                Some(&nodes[0].node.list_usable_channels().iter().collect::<Vec<_>>()),
                amt_msat, TEST_FINAL_CLTV, nodes[0].logger, &scorer).unwrap();
        let _payment_id = nodes[0].node.send_payment(&route, payment_hash, &Some(payment_secret)).unwrap();
index 7afc982faabd3b8975646ea8f669172887974340..7cfca4b86fb26151083a6f67dbebe8c47091cfe6 100644 (file)
@@ -12,7 +12,7 @@
 use chain::keysinterface::KeysInterface;
 use chain::transaction::OutPoint;
 use ln::channelmanager::PaymentSendFailure;
-use routing::router::{Payee, get_route};
+use routing::router::{PaymentParameters, get_route};
 use ln::features::{InitFeatures, InvoiceFeatures};
 use ln::msgs;
 use ln::msgs::{ChannelMessageHandler, ErrorAction};
@@ -91,10 +91,10 @@ fn updates_shutdown_wait() {
 
        let (_, payment_hash, payment_secret) = get_payment_preimage_hash!(nodes[0]);
 
-       let payee_1 = Payee::from_node_id(nodes[1].node.get_our_node_id()).with_features(InvoiceFeatures::known());
-       let route_1 = get_route(&nodes[0].node.get_our_node_id(), &payee_1, nodes[0].network_graph, None, 100000, TEST_FINAL_CLTV, &logger, &scorer).unwrap();
-       let payee_2 = Payee::from_node_id(nodes[0].node.get_our_node_id()).with_features(InvoiceFeatures::known());
-       let route_2 = get_route(&nodes[1].node.get_our_node_id(), &payee_2, nodes[1].network_graph, None, 100000, TEST_FINAL_CLTV, &logger, &scorer).unwrap();
+       let payment_params_1 = PaymentParameters::from_node_id(nodes[1].node.get_our_node_id()).with_features(InvoiceFeatures::known());
+       let route_1 = get_route(&nodes[0].node.get_our_node_id(), &payment_params_1, nodes[0].network_graph, None, 100000, TEST_FINAL_CLTV, &logger, &scorer).unwrap();
+       let payment_params_2 = PaymentParameters::from_node_id(nodes[0].node.get_our_node_id()).with_features(InvoiceFeatures::known());
+       let route_2 = get_route(&nodes[1].node.get_our_node_id(), &payment_params_2, nodes[1].network_graph, None, 100000, TEST_FINAL_CLTV, &logger, &scorer).unwrap();
        unwrap_send_err!(nodes[0].node.send_payment(&route_1, payment_hash, &Some(payment_secret)), true, APIError::ChannelUnavailable {..}, {});
        unwrap_send_err!(nodes[1].node.send_payment(&route_2, payment_hash, &Some(payment_secret)), true, APIError::ChannelUnavailable {..}, {});
 
index 1f6638dae3005cc00388c66f8c743d66624bdeaa..420bbaed0ca626af10c33efaba0fed01aee77790 100644 (file)
@@ -70,12 +70,12 @@ pub struct Route {
        /// given path is variable, keeping the length of any path to less than 20 should currently
        /// ensure it is viable.
        pub paths: Vec<Vec<RouteHop>>,
-       /// The `payee` parameter passed to [`find_route`].
+       /// The `payment_params` parameter passed to [`find_route`].
        /// This is used by `ChannelManager` to track information which may be required for retries,
        /// provided back to you via [`Event::PaymentPathFailed`].
        ///
        /// [`Event::PaymentPathFailed`]: crate::util::events::Event::PaymentPathFailed
-       pub payee: Option<Payee>,
+       pub payment_params: Option<PaymentParameters>,
 }
 
 pub(crate) trait RoutePath {
@@ -122,7 +122,7 @@ impl Writeable for Route {
                        }
                }
                write_tlv_fields!(writer, {
-                       (1, self.payee, option),
+                       (1, self.payment_params, option),
                });
                Ok(())
        }
@@ -141,15 +141,15 @@ impl Readable for Route {
                        }
                        paths.push(hops);
                }
-               let mut payee = None;
+               let mut payment_params = None;
                read_tlv_fields!(reader, {
-                       (1, payee, option),
+                       (1, payment_params, option),
                });
-               Ok(Route { paths, payee })
+               Ok(Route { paths, payment_params })
        }
 }
 
-/// Parameters needed to find a [`Route`] for paying a [`Payee`].
+/// Parameters needed to find a [`Route`].
 ///
 /// Passed to [`find_route`] and also provided in [`Event::PaymentPathFailed`] for retrying a failed
 /// payment path.
@@ -157,8 +157,8 @@ impl Readable for Route {
 /// [`Event::PaymentPathFailed`]: crate::util::events::Event::PaymentPathFailed
 #[derive(Clone, Debug)]
 pub struct RouteParameters {
-       /// The recipient of the failed payment path.
-       pub payee: Payee,
+       /// The parameters of the failed payment path.
+       pub payment_params: PaymentParameters,
 
        /// The amount in msats sent on the failed payment path.
        pub final_value_msat: u64,
@@ -168,7 +168,7 @@ pub struct RouteParameters {
 }
 
 impl_writeable_tlv_based!(RouteParameters, {
-       (0, payee, required),
+       (0, payment_params, required),
        (2, final_value_msat, required),
        (4, final_cltv_expiry_delta, required),
 });
@@ -178,9 +178,9 @@ pub const DEFAULT_MAX_TOTAL_CLTV_EXPIRY_DELTA: u32 = 1008;
 
 /// The recipient of a payment.
 #[derive(Clone, Debug, Hash, PartialEq, Eq)]
-pub struct Payee {
+pub struct PaymentParameters {
        /// The node id of the payee.
-       pub pubkey: PublicKey,
+       pub payee_pubkey: PublicKey,
 
        /// Features supported by the payee.
        ///
@@ -200,19 +200,19 @@ pub struct Payee {
        pub max_total_cltv_expiry_delta: u32,
 }
 
-impl_writeable_tlv_based!(Payee, {
-       (0, pubkey, required),
+impl_writeable_tlv_based!(PaymentParameters, {
+       (0, payee_pubkey, required),
        (1, max_total_cltv_expiry_delta, (default_value, DEFAULT_MAX_TOTAL_CLTV_EXPIRY_DELTA)),
        (2, features, option),
        (4, route_hints, vec_type),
        (6, expiry_time, option),
 });
 
-impl Payee {
+impl PaymentParameters {
        /// Creates a payee with the node id of the given `pubkey`.
-       pub fn from_node_id(pubkey: PublicKey) -> Self {
+       pub fn from_node_id(payee_pubkey: PublicKey) -> Self {
                Self {
-                       pubkey,
+                       payee_pubkey,
                        features: None,
                        route_hints: vec![],
                        expiry_time: None,
@@ -221,8 +221,8 @@ impl Payee {
        }
 
        /// Creates a payee with the node id of the given `pubkey` to use for keysend payments.
-       pub fn for_keysend(pubkey: PublicKey) -> Self {
-               Self::from_node_id(pubkey).with_features(InvoiceFeatures::for_keysend())
+       pub fn for_keysend(payee_pubkey: PublicKey) -> Self {
+               Self::from_node_id(payee_pubkey).with_features(InvoiceFeatures::for_keysend())
        }
 
        /// Includes the payee's features.
@@ -546,23 +546,23 @@ fn compute_fees(amount_msat: u64, channel_fees: RoutingFees) -> Option<u64> {
 /// [`ChannelManager::list_usable_channels`]: crate::ln::channelmanager::ChannelManager::list_usable_channels
 /// [`Event::PaymentPathFailed`]: crate::util::events::Event::PaymentPathFailed
 pub fn find_route<L: Deref, S: Score>(
-       our_node_pubkey: &PublicKey, params: &RouteParameters, network: &NetworkGraph,
+       our_node_pubkey: &PublicKey, route_params: &RouteParameters, network: &NetworkGraph,
        first_hops: Option<&[&ChannelDetails]>, logger: L, scorer: &S
 ) -> Result<Route, LightningError>
 where L::Target: Logger {
        get_route(
-               our_node_pubkey, &params.payee, network, first_hops, params.final_value_msat,
-               params.final_cltv_expiry_delta, logger, scorer
+               our_node_pubkey, &route_params.payment_params, network, first_hops, route_params.final_value_msat,
+               route_params.final_cltv_expiry_delta, logger, scorer
        )
 }
 
 pub(crate) fn get_route<L: Deref, S: Score>(
-       our_node_pubkey: &PublicKey, payee: &Payee, network: &NetworkGraph,
-       first_hops: Option<&[&ChannelDetails]>, final_value_msat: u64, final_cltv_expiry_delta: u32,
+       our_node_pubkey: &PublicKey, payment_params: &PaymentParameters, network: &NetworkGraph,
+       first_hops: Option<&[&ChannelDetails]>, final_value_msat: u64, final_cltv_expiry_delta: u32, 
        logger: L, scorer: &S
 ) -> Result<Route, LightningError>
 where L::Target: Logger {
-       let payee_node_id = NodeId::from_pubkey(&payee.pubkey);
+       let payee_node_id = NodeId::from_pubkey(&payment_params.payee_pubkey);
        let our_node_id = NodeId::from_pubkey(&our_node_pubkey);
 
        if payee_node_id == our_node_id {
@@ -577,9 +577,9 @@ where L::Target: Logger {
                return Err(LightningError{err: "Cannot send a payment of 0 msat".to_owned(), action: ErrorAction::IgnoreError});
        }
 
-       for route in payee.route_hints.iter() {
+       for route in payment_params.route_hints.iter() {
                for hop in &route.0 {
-                       if hop.src_node_id == payee.pubkey {
+                       if hop.src_node_id == payment_params.payee_pubkey {
                                return Err(LightningError{err: "Route hint cannot have the payee as the source.".to_owned(), action: ErrorAction::IgnoreError});
                        }
                }
@@ -661,7 +661,7 @@ where L::Target: Logger {
        // Allow MPP only if we have a features set from somewhere that indicates the payee supports
        // it. If the payee supports it they're supposed to include it in the invoice, so that should
        // work reliably.
-       let allow_mpp = if let Some(features) = &payee.features {
+       let allow_mpp = if let Some(features) = &payment_params.features {
                features.supports_basic_mpp()
        } else if let Some(node) = network_nodes.get(&payee_node_id) {
                if let Some(node_info) = node.announcement_info.as_ref() {
@@ -669,7 +669,7 @@ where L::Target: Logger {
                } else { false }
        } else { false };
        log_trace!(logger, "Searching for a route from payer {} to payee {} {} MPP", our_node_pubkey,
-               payee.pubkey, if allow_mpp { "with" } else { "without" });
+               payment_params.payee_pubkey, if allow_mpp { "with" } else { "without" });
 
        // Step (1).
        // Prepare the data we'll use for payee-to-payer search by
@@ -728,7 +728,7 @@ where L::Target: Logger {
        // - when we want to stop looking for new paths.
        let mut already_collected_value_msat = 0;
 
-       log_trace!(logger, "Building path from {} (payee) to {} (us/payer) for value {} msat.", payee.pubkey, our_node_pubkey, final_value_msat);
+       log_trace!(logger, "Building path from {} (payee) to {} (us/payer) for value {} msat.", payment_params.payee_pubkey, our_node_pubkey, final_value_msat);
 
        macro_rules! add_entry {
                // Adds entry which goes from $src_node_id to $dest_node_id
@@ -802,7 +802,7 @@ where L::Target: Logger {
 
 
                                        // Do not consider candidates that exceed the maximum total cltv expiry limit.
-                                       let max_total_cltv_expiry_delta = payee.max_total_cltv_expiry_delta;
+                                       let max_total_cltv_expiry_delta = payment_params.max_total_cltv_expiry_delta;
                                        let hop_total_cltv_delta = ($next_hops_cltv_delta as u32)
                                                .checked_add($directional_info.cltv_expiry_delta as u32)
                                                .unwrap_or(u32::max_value());
@@ -1107,7 +1107,7 @@ where L::Target: Logger {
                // If a caller provided us with last hops, add them to routing targets. Since this happens
                // earlier than general path finding, they will be somewhat prioritized, although currently
                // it matters only if the fees are exactly the same.
-               for route in payee.route_hints.iter().filter(|route| !route.0.is_empty()) {
+               for route in payment_params.route_hints.iter().filter(|route| !route.0.is_empty()) {
                        let first_hop_in_route = &(route.0)[0];
                        let have_hop_src_in_graph =
                                // Only add the hops in this route to our candidate set if either
@@ -1119,7 +1119,7 @@ where L::Target: Logger {
                                // We start building the path from reverse, i.e., from payee
                                // to the first RouteHintHop in the path.
                                let hop_iter = route.0.iter().rev();
-                               let prev_hop_iter = core::iter::once(&payee.pubkey).chain(
+                               let prev_hop_iter = core::iter::once(&payment_params.payee_pubkey).chain(
                                        route.0.iter().skip(1).rev().map(|hop| &hop.src_node_id));
                                let mut hop_used = true;
                                let mut aggregate_next_hops_fee_msat: u64 = 0;
@@ -1490,7 +1490,7 @@ where L::Target: Logger {
                }).collect());
        }
 
-       if let Some(features) = &payee.features {
+       if let Some(features) = &payment_params.features {
                for path in selected_paths.iter_mut() {
                        if let Ok(route_hop) = path.last_mut().unwrap() {
                                route_hop.node_features = features.to_context();
@@ -1500,9 +1500,9 @@ where L::Target: Logger {
 
        let route = Route {
                paths: selected_paths.into_iter().map(|path| path.into_iter().collect()).collect::<Result<Vec<_>, _>>()?,
-               payee: Some(payee.clone()),
+               payment_params: Some(payment_params.clone()),
        };
-       log_info!(logger, "Got route to {}: {}", payee.pubkey, log_route!(route));
+       log_info!(logger, "Got route to {}: {}", payment_params.payee_pubkey, log_route!(route));
        Ok(route)
 }
 
@@ -1510,7 +1510,7 @@ where L::Target: Logger {
 mod tests {
        use routing::scoring::Score;
        use routing::network_graph::{NetworkGraph, NetGraphMsgHandler, NodeId};
-       use routing::router::{get_route, Payee, Route, RouteHint, RouteHintHop, RouteHop, RoutingFees};
+       use routing::router::{get_route, PaymentParameters, Route, RouteHint, RouteHintHop, RouteHop, RoutingFees};
        use chain::transaction::OutPoint;
        use ln::features::{ChannelFeatures, InitFeatures, InvoiceFeatures, NodeFeatures};
        use ln::msgs::{ErrorAction, LightningError, OptionalField, UnsignedChannelAnnouncement, ChannelAnnouncement, RoutingMessageHandler,
@@ -1982,16 +1982,16 @@ mod tests {
        fn simple_route_test() {
                let (secp_ctx, network_graph, _, _, logger) = build_graph();
                let (_, our_id, _, nodes) = get_nodes(&secp_ctx);
-               let payee = Payee::from_node_id(nodes[2]);
+               let payment_params = PaymentParameters::from_node_id(nodes[2]);
                let scorer = test_utils::TestScorer::with_fixed_penalty(0);
 
                // Simple route to 2 via 1
 
-               if let Err(LightningError{err, action: ErrorAction::IgnoreError}) = get_route(&our_id, &payee, &network_graph, None, 0, 42, Arc::clone(&logger), &scorer) {
+               if let Err(LightningError{err, action: ErrorAction::IgnoreError}) = get_route(&our_id, &payment_params, &network_graph, None, 0, 42, Arc::clone(&logger), &scorer) {
                        assert_eq!(err, "Cannot send a payment of 0 msat");
                } else { panic!(); }
 
-               let route = get_route(&our_id, &payee, &network_graph, None, 100, 42, Arc::clone(&logger), &scorer).unwrap();
+               let route = get_route(&our_id, &payment_params, &network_graph, None, 100, 42, Arc::clone(&logger), &scorer).unwrap();
                assert_eq!(route.paths[0].len(), 2);
 
                assert_eq!(route.paths[0][0].pubkey, nodes[1]);
@@ -2013,18 +2013,18 @@ mod tests {
        fn invalid_first_hop_test() {
                let (secp_ctx, network_graph, _, _, logger) = build_graph();
                let (_, our_id, _, nodes) = get_nodes(&secp_ctx);
-               let payee = Payee::from_node_id(nodes[2]);
+               let payment_params = PaymentParameters::from_node_id(nodes[2]);
                let scorer = test_utils::TestScorer::with_fixed_penalty(0);
 
                // Simple route to 2 via 1
 
                let our_chans = vec![get_channel_details(Some(2), our_id, InitFeatures::from_le_bytes(vec![0b11]), 100000)];
 
-               if let Err(LightningError{err, action: ErrorAction::IgnoreError}) = get_route(&our_id, &payee, &network_graph, Some(&our_chans.iter().collect::<Vec<_>>()), 100, 42, Arc::clone(&logger), &scorer) {
+               if let Err(LightningError{err, action: ErrorAction::IgnoreError}) = get_route(&our_id, &payment_params, &network_graph, Some(&our_chans.iter().collect::<Vec<_>>()), 100, 42, Arc::clone(&logger), &scorer) {
                        assert_eq!(err, "First hop cannot have our_node_pubkey as a destination.");
                } else { panic!(); }
 
-               let route = get_route(&our_id, &payee, &network_graph, None, 100, 42, Arc::clone(&logger), &scorer).unwrap();
+               let route = get_route(&our_id, &payment_params, &network_graph, None, 100, 42, Arc::clone(&logger), &scorer).unwrap();
                assert_eq!(route.paths[0].len(), 2);
        }
 
@@ -2032,7 +2032,7 @@ mod tests {
        fn htlc_minimum_test() {
                let (secp_ctx, network_graph, net_graph_msg_handler, _, logger) = build_graph();
                let (our_privkey, our_id, privkeys, nodes) = get_nodes(&secp_ctx);
-               let payee = Payee::from_node_id(nodes[2]);
+               let payment_params = PaymentParameters::from_node_id(nodes[2]);
                let scorer = test_utils::TestScorer::with_fixed_penalty(0);
 
                // Simple route to 2 via 1
@@ -2130,7 +2130,7 @@ mod tests {
                });
 
                // Not possible to send 199_999_999, because the minimum on channel=2 is 200_000_000.
-               if let Err(LightningError{err, action: ErrorAction::IgnoreError}) = get_route(&our_id, &payee, &network_graph, None, 199_999_999, 42, Arc::clone(&logger), &scorer) {
+               if let Err(LightningError{err, action: ErrorAction::IgnoreError}) = get_route(&our_id, &payment_params, &network_graph, None, 199_999_999, 42, Arc::clone(&logger), &scorer) {
                        assert_eq!(err, "Failed to find a path to the given destination");
                } else { panic!(); }
 
@@ -2149,7 +2149,7 @@ mod tests {
                });
 
                // A payment above the minimum should pass
-               let route = get_route(&our_id, &payee, &network_graph, None, 199_999_999, 42, Arc::clone(&logger), &scorer).unwrap();
+               let route = get_route(&our_id, &payment_params, &network_graph, None, 199_999_999, 42, Arc::clone(&logger), &scorer).unwrap();
                assert_eq!(route.paths[0].len(), 2);
        }
 
@@ -2157,7 +2157,7 @@ mod tests {
        fn htlc_minimum_overpay_test() {
                let (secp_ctx, network_graph, net_graph_msg_handler, _, logger) = build_graph();
                let (our_privkey, our_id, privkeys, nodes) = get_nodes(&secp_ctx);
-               let payee = Payee::from_node_id(nodes[2]).with_features(InvoiceFeatures::known());
+               let payment_params = PaymentParameters::from_node_id(nodes[2]).with_features(InvoiceFeatures::known());
                let scorer = test_utils::TestScorer::with_fixed_penalty(0);
 
                // A route to node#2 via two paths.
@@ -2228,7 +2228,7 @@ mod tests {
                        excess_data: Vec::new()
                });
 
-               let route = get_route(&our_id, &payee, &network_graph, None, 60_000, 42, Arc::clone(&logger), &scorer).unwrap();
+               let route = get_route(&our_id, &payment_params, &network_graph, None, 60_000, 42, Arc::clone(&logger), &scorer).unwrap();
                // Overpay fees to hit htlc_minimum_msat.
                let overpaid_fees = route.paths[0][0].fee_msat + route.paths[1][0].fee_msat;
                // TODO: this could be better balanced to overpay 10k and not 15k.
@@ -2273,14 +2273,14 @@ mod tests {
                        excess_data: Vec::new()
                });
 
-               let route = get_route(&our_id, &payee, &network_graph, None, 60_000, 42, Arc::clone(&logger), &scorer).unwrap();
+               let route = get_route(&our_id, &payment_params, &network_graph, None, 60_000, 42, Arc::clone(&logger), &scorer).unwrap();
                // Fine to overpay for htlc_minimum_msat if it allows us to save fee.
                assert_eq!(route.paths.len(), 1);
                assert_eq!(route.paths[0][0].short_channel_id, 12);
                let fees = route.paths[0][0].fee_msat;
                assert_eq!(fees, 5_000);
 
-               let route = get_route(&our_id, &payee, &network_graph, None, 50_000, 42, Arc::clone(&logger), &scorer).unwrap();
+               let route = get_route(&our_id, &payment_params, &network_graph, None, 50_000, 42, Arc::clone(&logger), &scorer).unwrap();
                // Not fine to overpay for htlc_minimum_msat if it requires paying more than fee on
                // the other channel.
                assert_eq!(route.paths.len(), 1);
@@ -2293,7 +2293,7 @@ mod tests {
        fn disable_channels_test() {
                let (secp_ctx, network_graph, net_graph_msg_handler, _, logger) = build_graph();
                let (our_privkey, our_id, privkeys, nodes) = get_nodes(&secp_ctx);
-               let payee = Payee::from_node_id(nodes[2]);
+               let payment_params = PaymentParameters::from_node_id(nodes[2]);
                let scorer = test_utils::TestScorer::with_fixed_penalty(0);
 
                // // Disable channels 4 and 12 by flags=2
@@ -2323,13 +2323,13 @@ mod tests {
                });
 
                // If all the channels require some features we don't understand, route should fail
-               if let Err(LightningError{err, action: ErrorAction::IgnoreError}) = get_route(&our_id, &payee, &network_graph, None, 100, 42, Arc::clone(&logger), &scorer) {
+               if let Err(LightningError{err, action: ErrorAction::IgnoreError}) = get_route(&our_id, &payment_params, &network_graph, None, 100, 42, Arc::clone(&logger), &scorer) {
                        assert_eq!(err, "Failed to find a path to the given destination");
                } else { panic!(); }
 
                // If we specify a channel to node7, that overrides our local channel view and that gets used
                let our_chans = vec![get_channel_details(Some(42), nodes[7].clone(), InitFeatures::from_le_bytes(vec![0b11]), 250_000_000)];
-               let route = get_route(&our_id, &payee, &network_graph, Some(&our_chans.iter().collect::<Vec<_>>()), 100, 42, Arc::clone(&logger), &scorer).unwrap();
+               let route = get_route(&our_id, &payment_params, &network_graph, Some(&our_chans.iter().collect::<Vec<_>>()), 100, 42, Arc::clone(&logger), &scorer).unwrap();
                assert_eq!(route.paths[0].len(), 2);
 
                assert_eq!(route.paths[0][0].pubkey, nodes[7]);
@@ -2351,7 +2351,7 @@ mod tests {
        fn disable_node_test() {
                let (secp_ctx, network_graph, net_graph_msg_handler, _, logger) = build_graph();
                let (_, our_id, privkeys, nodes) = get_nodes(&secp_ctx);
-               let payee = Payee::from_node_id(nodes[2]);
+               let payment_params = PaymentParameters::from_node_id(nodes[2]);
                let scorer = test_utils::TestScorer::with_fixed_penalty(0);
 
                // Disable nodes 1, 2, and 8 by requiring unknown feature bits
@@ -2361,13 +2361,13 @@ mod tests {
                add_or_update_node(&net_graph_msg_handler, &secp_ctx, &privkeys[7], unknown_features.clone(), 1);
 
                // If all nodes require some features we don't understand, route should fail
-               if let Err(LightningError{err, action: ErrorAction::IgnoreError}) = get_route(&our_id, &payee, &network_graph, None, 100, 42, Arc::clone(&logger), &scorer) {
+               if let Err(LightningError{err, action: ErrorAction::IgnoreError}) = get_route(&our_id, &payment_params, &network_graph, None, 100, 42, Arc::clone(&logger), &scorer) {
                        assert_eq!(err, "Failed to find a path to the given destination");
                } else { panic!(); }
 
                // If we specify a channel to node7, that overrides our local channel view and that gets used
                let our_chans = vec![get_channel_details(Some(42), nodes[7].clone(), InitFeatures::from_le_bytes(vec![0b11]), 250_000_000)];
-               let route = get_route(&our_id, &payee, &network_graph, Some(&our_chans.iter().collect::<Vec<_>>()), 100, 42, Arc::clone(&logger), &scorer).unwrap();
+               let route = get_route(&our_id, &payment_params, &network_graph, Some(&our_chans.iter().collect::<Vec<_>>()), 100, 42, Arc::clone(&logger), &scorer).unwrap();
                assert_eq!(route.paths[0].len(), 2);
 
                assert_eq!(route.paths[0][0].pubkey, nodes[7]);
@@ -2396,8 +2396,8 @@ mod tests {
                let scorer = test_utils::TestScorer::with_fixed_penalty(0);
 
                // Route to 1 via 2 and 3 because our channel to 1 is disabled
-               let payee = Payee::from_node_id(nodes[0]);
-               let route = get_route(&our_id, &payee, &network_graph, None, 100, 42, Arc::clone(&logger), &scorer).unwrap();
+               let payment_params = PaymentParameters::from_node_id(nodes[0]);
+               let route = get_route(&our_id, &payment_params, &network_graph, None, 100, 42, Arc::clone(&logger), &scorer).unwrap();
                assert_eq!(route.paths[0].len(), 3);
 
                assert_eq!(route.paths[0][0].pubkey, nodes[1]);
@@ -2422,9 +2422,9 @@ mod tests {
                assert_eq!(route.paths[0][2].channel_features.le_flags(), &id_to_feature_flags(3));
 
                // If we specify a channel to node7, that overrides our local channel view and that gets used
-               let payee = Payee::from_node_id(nodes[2]);
+               let payment_params = PaymentParameters::from_node_id(nodes[2]);
                let our_chans = vec![get_channel_details(Some(42), nodes[7].clone(), InitFeatures::from_le_bytes(vec![0b11]), 250_000_000)];
-               let route = get_route(&our_id, &payee, &network_graph, Some(&our_chans.iter().collect::<Vec<_>>()), 100, 42, Arc::clone(&logger), &scorer).unwrap();
+               let route = get_route(&our_id, &payment_params, &network_graph, Some(&our_chans.iter().collect::<Vec<_>>()), 100, 42, Arc::clone(&logger), &scorer).unwrap();
                assert_eq!(route.paths[0].len(), 2);
 
                assert_eq!(route.paths[0][0].pubkey, nodes[7]);
@@ -2544,14 +2544,14 @@ mod tests {
                let mut invalid_last_hops = last_hops_multi_private_channels(&nodes);
                invalid_last_hops.push(invalid_last_hop);
                {
-                       let payee = Payee::from_node_id(nodes[6]).with_route_hints(invalid_last_hops);
-                       if let Err(LightningError{err, action: ErrorAction::IgnoreError}) = get_route(&our_id, &payee, &network_graph, None, 100, 42, Arc::clone(&logger), &scorer) {
+                       let payment_params = PaymentParameters::from_node_id(nodes[6]).with_route_hints(invalid_last_hops);
+                       if let Err(LightningError{err, action: ErrorAction::IgnoreError}) = get_route(&our_id, &payment_params, &network_graph, None, 100, 42, Arc::clone(&logger), &scorer) {
                                assert_eq!(err, "Route hint cannot have the payee as the source.");
                        } else { panic!(); }
                }
 
-               let payee = Payee::from_node_id(nodes[6]).with_route_hints(last_hops_multi_private_channels(&nodes));
-               let route = get_route(&our_id, &payee, &network_graph, None, 100, 42, Arc::clone(&logger), &scorer).unwrap();
+               let payment_params = PaymentParameters::from_node_id(nodes[6]).with_route_hints(last_hops_multi_private_channels(&nodes));
+               let route = get_route(&our_id, &payment_params, &network_graph, None, 100, 42, Arc::clone(&logger), &scorer).unwrap();
                assert_eq!(route.paths[0].len(), 5);
 
                assert_eq!(route.paths[0][0].pubkey, nodes[1]);
@@ -2620,12 +2620,12 @@ mod tests {
        fn ignores_empty_last_hops_test() {
                let (secp_ctx, network_graph, _, _, logger) = build_graph();
                let (_, our_id, _, nodes) = get_nodes(&secp_ctx);
-               let payee = Payee::from_node_id(nodes[6]).with_route_hints(empty_last_hop(&nodes));
+               let payment_params = PaymentParameters::from_node_id(nodes[6]).with_route_hints(empty_last_hop(&nodes));
                let scorer = test_utils::TestScorer::with_fixed_penalty(0);
 
                // Test handling of an empty RouteHint passed in Invoice.
 
-               let route = get_route(&our_id, &payee, &network_graph, None, 100, 42, Arc::clone(&logger), &scorer).unwrap();
+               let route = get_route(&our_id, &payment_params, &network_graph, None, 100, 42, Arc::clone(&logger), &scorer).unwrap();
                assert_eq!(route.paths[0].len(), 5);
 
                assert_eq!(route.paths[0][0].pubkey, nodes[1]);
@@ -2702,7 +2702,7 @@ mod tests {
        fn multi_hint_last_hops_test() {
                let (secp_ctx, network_graph, net_graph_msg_handler, _, logger) = build_graph();
                let (_, our_id, privkeys, nodes) = get_nodes(&secp_ctx);
-               let payee = Payee::from_node_id(nodes[6]).with_route_hints(multi_hint_last_hops(&nodes));
+               let payment_params = PaymentParameters::from_node_id(nodes[6]).with_route_hints(multi_hint_last_hops(&nodes));
                let scorer = test_utils::TestScorer::with_fixed_penalty(0);
                // Test through channels 2, 3, 5, 8.
                // Test shows that multiple hop hints are considered.
@@ -2733,7 +2733,7 @@ mod tests {
                        excess_data: Vec::new()
                });
 
-               let route = get_route(&our_id, &payee, &network_graph, None, 100, 42, Arc::clone(&logger), &scorer).unwrap();
+               let route = get_route(&our_id, &payment_params, &network_graph, None, 100, 42, Arc::clone(&logger), &scorer).unwrap();
                assert_eq!(route.paths[0].len(), 4);
 
                assert_eq!(route.paths[0][0].pubkey, nodes[1]);
@@ -2808,12 +2808,12 @@ mod tests {
        fn last_hops_with_public_channel_test() {
                let (secp_ctx, network_graph, _, _, logger) = build_graph();
                let (_, our_id, _, nodes) = get_nodes(&secp_ctx);
-               let payee = Payee::from_node_id(nodes[6]).with_route_hints(last_hops_with_public_channel(&nodes));
+               let payment_params = PaymentParameters::from_node_id(nodes[6]).with_route_hints(last_hops_with_public_channel(&nodes));
                let scorer = test_utils::TestScorer::with_fixed_penalty(0);
                // This test shows that public routes can be present in the invoice
                // which would be handled in the same manner.
 
-               let route = get_route(&our_id, &payee, &network_graph, None, 100, 42, Arc::clone(&logger), &scorer).unwrap();
+               let route = get_route(&our_id, &payment_params, &network_graph, None, 100, 42, Arc::clone(&logger), &scorer).unwrap();
                assert_eq!(route.paths[0].len(), 5);
 
                assert_eq!(route.paths[0][0].pubkey, nodes[1]);
@@ -2863,8 +2863,8 @@ mod tests {
                // Simple test with outbound channel to 4 to test that last_hops and first_hops connect
                let our_chans = vec![get_channel_details(Some(42), nodes[3].clone(), InitFeatures::from_le_bytes(vec![0b11]), 250_000_000)];
                let mut last_hops = last_hops(&nodes);
-               let payee = Payee::from_node_id(nodes[6]).with_route_hints(last_hops.clone());
-               let route = get_route(&our_id, &payee, &network_graph, Some(&our_chans.iter().collect::<Vec<_>>()), 100, 42, Arc::clone(&logger), &scorer).unwrap();
+               let payment_params = PaymentParameters::from_node_id(nodes[6]).with_route_hints(last_hops.clone());
+               let route = get_route(&our_id, &payment_params, &network_graph, Some(&our_chans.iter().collect::<Vec<_>>()), 100, 42, Arc::clone(&logger), &scorer).unwrap();
                assert_eq!(route.paths[0].len(), 2);
 
                assert_eq!(route.paths[0][0].pubkey, nodes[3]);
@@ -2884,8 +2884,8 @@ mod tests {
                last_hops[0].0[0].fees.base_msat = 1000;
 
                // Revert to via 6 as the fee on 8 goes up
-               let payee = Payee::from_node_id(nodes[6]).with_route_hints(last_hops);
-               let route = get_route(&our_id, &payee, &network_graph, None, 100, 42, Arc::clone(&logger), &scorer).unwrap();
+               let payment_params = PaymentParameters::from_node_id(nodes[6]).with_route_hints(last_hops);
+               let route = get_route(&our_id, &payment_params, &network_graph, None, 100, 42, Arc::clone(&logger), &scorer).unwrap();
                assert_eq!(route.paths[0].len(), 4);
 
                assert_eq!(route.paths[0][0].pubkey, nodes[1]);
@@ -2919,7 +2919,7 @@ mod tests {
                assert_eq!(route.paths[0][3].channel_features.le_flags(), &Vec::<u8>::new()); // We can't learn any flags from invoices, sadly
 
                // ...but still use 8 for larger payments as 6 has a variable feerate
-               let route = get_route(&our_id, &payee, &network_graph, None, 2000, 42, Arc::clone(&logger), &scorer).unwrap();
+               let route = get_route(&our_id, &payment_params, &network_graph, None, 2000, 42, Arc::clone(&logger), &scorer).unwrap();
                assert_eq!(route.paths[0].len(), 5);
 
                assert_eq!(route.paths[0][0].pubkey, nodes[1]);
@@ -2977,10 +2977,10 @@ mod tests {
                        htlc_minimum_msat: None,
                        htlc_maximum_msat: last_hop_htlc_max,
                }]);
-               let payee = Payee::from_node_id(target_node_id).with_route_hints(vec![last_hops]);
+               let payment_params = PaymentParameters::from_node_id(target_node_id).with_route_hints(vec![last_hops]);
                let our_chans = vec![get_channel_details(Some(42), middle_node_id, InitFeatures::from_le_bytes(vec![0b11]), outbound_capacity_msat)];
                let scorer = test_utils::TestScorer::with_fixed_penalty(0);
-               get_route(&source_node_id, &payee, &NetworkGraph::new(genesis_block(Network::Testnet).header.block_hash()), Some(&our_chans.iter().collect::<Vec<_>>()), route_val, 42, &test_utils::TestLogger::new(), &scorer)
+               get_route(&source_node_id, &payment_params, &NetworkGraph::new(genesis_block(Network::Testnet).header.block_hash()), Some(&our_chans.iter().collect::<Vec<_>>()), route_val, 42, &test_utils::TestLogger::new(), &scorer)
        }
 
        #[test]
@@ -3034,7 +3034,7 @@ mod tests {
                let (secp_ctx, network_graph, mut net_graph_msg_handler, chain_monitor, logger) = build_graph();
                let (our_privkey, our_id, privkeys, nodes) = get_nodes(&secp_ctx);
                let scorer = test_utils::TestScorer::with_fixed_penalty(0);
-               let payee = Payee::from_node_id(nodes[2]).with_features(InvoiceFeatures::known());
+               let payment_params = PaymentParameters::from_node_id(nodes[2]).with_features(InvoiceFeatures::known());
 
                // We will use a simple single-path route from
                // our node to node2 via node0: channels {1, 3}.
@@ -3098,14 +3098,14 @@ mod tests {
                {
                        // Attempt to route more than available results in a failure.
                        if let Err(LightningError{err, action: ErrorAction::IgnoreError}) = get_route(
-                                       &our_id, &payee, &network_graph, None, 250_000_001, 42, Arc::clone(&logger), &scorer) {
+                                       &our_id, &payment_params, &network_graph, None, 250_000_001, 42, Arc::clone(&logger), &scorer) {
                                assert_eq!(err, "Failed to find a sufficient route to the given destination");
                        } else { panic!(); }
                }
 
                {
                        // Now, attempt to route an exact amount we have should be fine.
-                       let route = get_route(&our_id, &payee, &network_graph, None, 250_000_000, 42, Arc::clone(&logger), &scorer).unwrap();
+                       let route = get_route(&our_id, &payment_params, &network_graph, None, 250_000_000, 42, Arc::clone(&logger), &scorer).unwrap();
                        assert_eq!(route.paths.len(), 1);
                        let path = route.paths.last().unwrap();
                        assert_eq!(path.len(), 2);
@@ -3134,14 +3134,14 @@ mod tests {
                {
                        // Attempt to route more than available results in a failure.
                        if let Err(LightningError{err, action: ErrorAction::IgnoreError}) = get_route(
-                                       &our_id, &payee, &network_graph, Some(&our_chans.iter().collect::<Vec<_>>()), 200_000_001, 42, Arc::clone(&logger), &scorer) {
+                                       &our_id, &payment_params, &network_graph, Some(&our_chans.iter().collect::<Vec<_>>()), 200_000_001, 42, Arc::clone(&logger), &scorer) {
                                assert_eq!(err, "Failed to find a sufficient route to the given destination");
                        } else { panic!(); }
                }
 
                {
                        // Now, attempt to route an exact amount we have should be fine.
-                       let route = get_route(&our_id, &payee, &network_graph, Some(&our_chans.iter().collect::<Vec<_>>()), 200_000_000, 42, Arc::clone(&logger), &scorer).unwrap();
+                       let route = get_route(&our_id, &payment_params, &network_graph, Some(&our_chans.iter().collect::<Vec<_>>()), 200_000_000, 42, Arc::clone(&logger), &scorer).unwrap();
                        assert_eq!(route.paths.len(), 1);
                        let path = route.paths.last().unwrap();
                        assert_eq!(path.len(), 2);
@@ -3181,14 +3181,14 @@ mod tests {
                {
                        // Attempt to route more than available results in a failure.
                        if let Err(LightningError{err, action: ErrorAction::IgnoreError}) = get_route(
-                                       &our_id, &payee, &network_graph, None, 15_001, 42, Arc::clone(&logger), &scorer) {
+                                       &our_id, &payment_params, &network_graph, None, 15_001, 42, Arc::clone(&logger), &scorer) {
                                assert_eq!(err, "Failed to find a sufficient route to the given destination");
                        } else { panic!(); }
                }
 
                {
                        // Now, attempt to route an exact amount we have should be fine.
-                       let route = get_route(&our_id, &payee, &network_graph, None, 15_000, 42, Arc::clone(&logger), &scorer).unwrap();
+                       let route = get_route(&our_id, &payment_params, &network_graph, None, 15_000, 42, Arc::clone(&logger), &scorer).unwrap();
                        assert_eq!(route.paths.len(), 1);
                        let path = route.paths.last().unwrap();
                        assert_eq!(path.len(), 2);
@@ -3251,14 +3251,14 @@ mod tests {
                {
                        // Attempt to route more than available results in a failure.
                        if let Err(LightningError{err, action: ErrorAction::IgnoreError}) = get_route(
-                                       &our_id, &payee, &network_graph, None, 15_001, 42, Arc::clone(&logger), &scorer) {
+                                       &our_id, &payment_params, &network_graph, None, 15_001, 42, Arc::clone(&logger), &scorer) {
                                assert_eq!(err, "Failed to find a sufficient route to the given destination");
                        } else { panic!(); }
                }
 
                {
                        // Now, attempt to route an exact amount we have should be fine.
-                       let route = get_route(&our_id, &payee, &network_graph, None, 15_000, 42, Arc::clone(&logger), &scorer).unwrap();
+                       let route = get_route(&our_id, &payment_params, &network_graph, None, 15_000, 42, Arc::clone(&logger), &scorer).unwrap();
                        assert_eq!(route.paths.len(), 1);
                        let path = route.paths.last().unwrap();
                        assert_eq!(path.len(), 2);
@@ -3283,14 +3283,14 @@ mod tests {
                {
                        // Attempt to route more than available results in a failure.
                        if let Err(LightningError{err, action: ErrorAction::IgnoreError}) = get_route(
-                                       &our_id, &payee, &network_graph, None, 10_001, 42, Arc::clone(&logger), &scorer) {
+                                       &our_id, &payment_params, &network_graph, None, 10_001, 42, Arc::clone(&logger), &scorer) {
                                assert_eq!(err, "Failed to find a sufficient route to the given destination");
                        } else { panic!(); }
                }
 
                {
                        // Now, attempt to route an exact amount we have should be fine.
-                       let route = get_route(&our_id, &payee, &network_graph, None, 10_000, 42, Arc::clone(&logger), &scorer).unwrap();
+                       let route = get_route(&our_id, &payment_params, &network_graph, None, 10_000, 42, Arc::clone(&logger), &scorer).unwrap();
                        assert_eq!(route.paths.len(), 1);
                        let path = route.paths.last().unwrap();
                        assert_eq!(path.len(), 2);
@@ -3306,7 +3306,7 @@ mod tests {
                let (secp_ctx, network_graph, net_graph_msg_handler, _, logger) = build_graph();
                let (our_privkey, our_id, privkeys, nodes) = get_nodes(&secp_ctx);
                let scorer = test_utils::TestScorer::with_fixed_penalty(0);
-               let payee = Payee::from_node_id(nodes[3]).with_features(InvoiceFeatures::known());
+               let payment_params = PaymentParameters::from_node_id(nodes[3]).with_features(InvoiceFeatures::known());
 
                // Path via {node7, node2, node4} is channels {12, 13, 6, 11}.
                // {12, 13, 11} have the capacities of 100, {6} has a capacity of 50.
@@ -3392,14 +3392,14 @@ mod tests {
                {
                        // Attempt to route more than available results in a failure.
                        if let Err(LightningError{err, action: ErrorAction::IgnoreError}) = get_route(
-                                       &our_id, &payee, &network_graph, None, 60_000, 42, Arc::clone(&logger), &scorer) {
+                                       &our_id, &payment_params, &network_graph, None, 60_000, 42, Arc::clone(&logger), &scorer) {
                                assert_eq!(err, "Failed to find a sufficient route to the given destination");
                        } else { panic!(); }
                }
 
                {
                        // Now, attempt to route 49 sats (just a bit below the capacity).
-                       let route = get_route(&our_id, &payee, &network_graph, None, 49_000, 42, Arc::clone(&logger), &scorer).unwrap();
+                       let route = get_route(&our_id, &payment_params, &network_graph, None, 49_000, 42, Arc::clone(&logger), &scorer).unwrap();
                        assert_eq!(route.paths.len(), 1);
                        let mut total_amount_paid_msat = 0;
                        for path in &route.paths {
@@ -3412,7 +3412,7 @@ mod tests {
 
                {
                        // Attempt to route an exact amount is also fine
-                       let route = get_route(&our_id, &payee, &network_graph, None, 50_000, 42, Arc::clone(&logger), &scorer).unwrap();
+                       let route = get_route(&our_id, &payment_params, &network_graph, None, 50_000, 42, Arc::clone(&logger), &scorer).unwrap();
                        assert_eq!(route.paths.len(), 1);
                        let mut total_amount_paid_msat = 0;
                        for path in &route.paths {
@@ -3429,7 +3429,7 @@ mod tests {
                let (secp_ctx, network_graph, net_graph_msg_handler, _, logger) = build_graph();
                let (our_privkey, our_id, privkeys, nodes) = get_nodes(&secp_ctx);
                let scorer = test_utils::TestScorer::with_fixed_penalty(0);
-               let payee = Payee::from_node_id(nodes[2]);
+               let payment_params = PaymentParameters::from_node_id(nodes[2]);
 
                // Path via node0 is channels {1, 3}. Limit them to 100 and 50 sats (total limit 50).
                update_channel(&net_graph_msg_handler, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
@@ -3458,7 +3458,7 @@ mod tests {
                });
 
                {
-                       let route = get_route(&our_id, &payee, &network_graph, None, 50_000, 42, Arc::clone(&logger), &scorer).unwrap();
+                       let route = get_route(&our_id, &payment_params, &network_graph, None, 50_000, 42, Arc::clone(&logger), &scorer).unwrap();
                        assert_eq!(route.paths.len(), 1);
                        let mut total_amount_paid_msat = 0;
                        for path in &route.paths {
@@ -3475,7 +3475,7 @@ mod tests {
                let (secp_ctx, network_graph, net_graph_msg_handler, _, logger) = build_graph();
                let (our_privkey, our_id, privkeys, nodes) = get_nodes(&secp_ctx);
                let scorer = test_utils::TestScorer::with_fixed_penalty(0);
-               let payee = Payee::from_node_id(nodes[2]).with_features(InvoiceFeatures::known());
+               let payment_params = PaymentParameters::from_node_id(nodes[2]).with_features(InvoiceFeatures::known());
 
                // We need a route consisting of 3 paths:
                // From our node to node2 via node0, node7, node1 (three paths one hop each).
@@ -3568,7 +3568,7 @@ mod tests {
                {
                        // Attempt to route more than available results in a failure.
                        if let Err(LightningError{err, action: ErrorAction::IgnoreError}) = get_route(
-                                       &our_id, &payee, &network_graph, None, 300_000, 42, Arc::clone(&logger), &scorer) {
+                                       &our_id, &payment_params, &network_graph, None, 300_000, 42, Arc::clone(&logger), &scorer) {
                                assert_eq!(err, "Failed to find a sufficient route to the given destination");
                        } else { panic!(); }
                }
@@ -3576,7 +3576,7 @@ mod tests {
                {
                        // Now, attempt to route 250 sats (just a bit below the capacity).
                        // Our algorithm should provide us with these 3 paths.
-                       let route = get_route(&our_id, &payee, &network_graph, None, 250_000, 42, Arc::clone(&logger), &scorer).unwrap();
+                       let route = get_route(&our_id, &payment_params, &network_graph, None, 250_000, 42, Arc::clone(&logger), &scorer).unwrap();
                        assert_eq!(route.paths.len(), 3);
                        let mut total_amount_paid_msat = 0;
                        for path in &route.paths {
@@ -3589,7 +3589,7 @@ mod tests {
 
                {
                        // Attempt to route an exact amount is also fine
-                       let route = get_route(&our_id, &payee, &network_graph, None, 290_000, 42, Arc::clone(&logger), &scorer).unwrap();
+                       let route = get_route(&our_id, &payment_params, &network_graph, None, 290_000, 42, Arc::clone(&logger), &scorer).unwrap();
                        assert_eq!(route.paths.len(), 3);
                        let mut total_amount_paid_msat = 0;
                        for path in &route.paths {
@@ -3606,7 +3606,7 @@ mod tests {
                let (secp_ctx, network_graph, net_graph_msg_handler, _, logger) = build_graph();
                let (our_privkey, our_id, privkeys, nodes) = get_nodes(&secp_ctx);
                let scorer = test_utils::TestScorer::with_fixed_penalty(0);
-               let payee = Payee::from_node_id(nodes[3]).with_features(InvoiceFeatures::known());
+               let payment_params = PaymentParameters::from_node_id(nodes[3]).with_features(InvoiceFeatures::known());
 
                // We need a route consisting of 3 paths:
                // From our node to node3 via {node0, node2}, {node7, node2, node4} and {node7, node2}.
@@ -3742,7 +3742,7 @@ mod tests {
                {
                        // Attempt to route more than available results in a failure.
                        if let Err(LightningError{err, action: ErrorAction::IgnoreError}) = get_route(
-                                       &our_id, &payee, &network_graph, None, 350_000, 42, Arc::clone(&logger), &scorer) {
+                                       &our_id, &payment_params, &network_graph, None, 350_000, 42, Arc::clone(&logger), &scorer) {
                                assert_eq!(err, "Failed to find a sufficient route to the given destination");
                        } else { panic!(); }
                }
@@ -3750,7 +3750,7 @@ mod tests {
                {
                        // Now, attempt to route 300 sats (exact amount we can route).
                        // Our algorithm should provide us with these 3 paths, 100 sats each.
-                       let route = get_route(&our_id, &payee, &network_graph, None, 300_000, 42, Arc::clone(&logger), &scorer).unwrap();
+                       let route = get_route(&our_id, &payment_params, &network_graph, None, 300_000, 42, Arc::clone(&logger), &scorer).unwrap();
                        assert_eq!(route.paths.len(), 3);
 
                        let mut total_amount_paid_msat = 0;
@@ -3768,7 +3768,7 @@ mod tests {
                let (secp_ctx, network_graph, net_graph_msg_handler, _, logger) = build_graph();
                let (our_privkey, our_id, privkeys, nodes) = get_nodes(&secp_ctx);
                let scorer = test_utils::TestScorer::with_fixed_penalty(0);
-               let payee = Payee::from_node_id(nodes[3]).with_features(InvoiceFeatures::known());
+               let payment_params = PaymentParameters::from_node_id(nodes[3]).with_features(InvoiceFeatures::known());
 
                // This test checks that if we have two cheaper paths and one more expensive path,
                // so that liquidity-wise any 2 of 3 combination is sufficient,
@@ -3908,7 +3908,7 @@ mod tests {
                {
                        // Now, attempt to route 180 sats.
                        // Our algorithm should provide us with these 2 paths.
-                       let route = get_route(&our_id, &payee, &network_graph, None, 180_000, 42, Arc::clone(&logger), &scorer).unwrap();
+                       let route = get_route(&our_id, &payment_params, &network_graph, None, 180_000, 42, Arc::clone(&logger), &scorer).unwrap();
                        assert_eq!(route.paths.len(), 2);
 
                        let mut total_value_transferred_msat = 0;
@@ -3935,7 +3935,7 @@ mod tests {
                let (secp_ctx, network_graph, net_graph_msg_handler, _, logger) = build_graph();
                let (our_privkey, our_id, privkeys, nodes) = get_nodes(&secp_ctx);
                let scorer = test_utils::TestScorer::with_fixed_penalty(0);
-               let payee = Payee::from_node_id(nodes[3]).with_features(InvoiceFeatures::known());
+               let payment_params = PaymentParameters::from_node_id(nodes[3]).with_features(InvoiceFeatures::known());
 
                // We need a route consisting of 2 paths:
                // From our node to node3 via {node0, node2} and {node7, node2, node4}.
@@ -4076,14 +4076,14 @@ mod tests {
                {
                        // Attempt to route more than available results in a failure.
                        if let Err(LightningError{err, action: ErrorAction::IgnoreError}) = get_route(
-                                       &our_id, &payee, &network_graph, None, 210_000, 42, Arc::clone(&logger), &scorer) {
+                                       &our_id, &payment_params, &network_graph, None, 210_000, 42, Arc::clone(&logger), &scorer) {
                                assert_eq!(err, "Failed to find a sufficient route to the given destination");
                        } else { panic!(); }
                }
 
                {
                        // Now, attempt to route 200 sats (exact amount we can route).
-                       let route = get_route(&our_id, &payee, &network_graph, None, 200_000, 42, Arc::clone(&logger), &scorer).unwrap();
+                       let route = get_route(&our_id, &payment_params, &network_graph, None, 200_000, 42, Arc::clone(&logger), &scorer).unwrap();
                        assert_eq!(route.paths.len(), 2);
 
                        let mut total_amount_paid_msat = 0;
@@ -4114,7 +4114,7 @@ mod tests {
                let (secp_ctx, network_graph, net_graph_msg_handler, _, logger) = build_graph();
                let (our_privkey, our_id, privkeys, nodes) = get_nodes(&secp_ctx);
                let scorer = test_utils::TestScorer::with_fixed_penalty(0);
-               let payee = Payee::from_node_id(PublicKey::from_slice(&[02; 33]).unwrap()).with_features(InvoiceFeatures::known())
+               let payment_params = PaymentParameters::from_node_id(PublicKey::from_slice(&[02; 33]).unwrap()).with_features(InvoiceFeatures::known())
                        .with_route_hints(vec![RouteHint(vec![RouteHintHop {
                                src_node_id: nodes[2],
                                short_channel_id: 42,
@@ -4180,7 +4180,7 @@ mod tests {
 
                // Get a route for 100 sats and check that we found the MPP route no problem and didn't
                // overpay at all.
-               let route = get_route(&our_id, &payee, &network_graph, None, 100_000, 42, Arc::clone(&logger), &scorer).unwrap();
+               let route = get_route(&our_id, &payment_params, &network_graph, None, 100_000, 42, Arc::clone(&logger), &scorer).unwrap();
                assert_eq!(route.paths.len(), 2);
                // Paths are somewhat randomly ordered, but:
                // * the first is channel 2 (1 msat fee) -> channel 4 -> channel 42
@@ -4202,7 +4202,7 @@ mod tests {
                let (secp_ctx, network_graph, net_graph_msg_handler, _, logger) = build_graph();
                let (our_privkey, our_id, privkeys, nodes) = get_nodes(&secp_ctx);
                let scorer = test_utils::TestScorer::with_fixed_penalty(0);
-               let payee = Payee::from_node_id(nodes[2]).with_features(InvoiceFeatures::known());
+               let payment_params = PaymentParameters::from_node_id(nodes[2]).with_features(InvoiceFeatures::known());
 
                // We need a route consisting of 3 paths:
                // From our node to node2 via node0, node7, node1 (three paths one hop each).
@@ -4294,7 +4294,7 @@ mod tests {
                {
                        // Attempt to route more than available results in a failure.
                        if let Err(LightningError{err, action: ErrorAction::IgnoreError}) = get_route(
-                                       &our_id, &payee, &network_graph, None, 150_000, 42, Arc::clone(&logger), &scorer) {
+                                       &our_id, &payment_params, &network_graph, None, 150_000, 42, Arc::clone(&logger), &scorer) {
                                assert_eq!(err, "Failed to find a sufficient route to the given destination");
                        } else { panic!(); }
                }
@@ -4302,7 +4302,7 @@ mod tests {
                {
                        // Now, attempt to route 125 sats (just a bit below the capacity of 3 channels).
                        // Our algorithm should provide us with these 3 paths.
-                       let route = get_route(&our_id, &payee, &network_graph, None, 125_000, 42, Arc::clone(&logger), &scorer).unwrap();
+                       let route = get_route(&our_id, &payment_params, &network_graph, None, 125_000, 42, Arc::clone(&logger), &scorer).unwrap();
                        assert_eq!(route.paths.len(), 3);
                        let mut total_amount_paid_msat = 0;
                        for path in &route.paths {
@@ -4315,7 +4315,7 @@ mod tests {
 
                {
                        // Attempt to route without the last small cheap channel
-                       let route = get_route(&our_id, &payee, &network_graph, None, 90_000, 42, Arc::clone(&logger), &scorer).unwrap();
+                       let route = get_route(&our_id, &payment_params, &network_graph, None, 90_000, 42, Arc::clone(&logger), &scorer).unwrap();
                        assert_eq!(route.paths.len(), 2);
                        let mut total_amount_paid_msat = 0;
                        for path in &route.paths {
@@ -4359,7 +4359,7 @@ mod tests {
                let net_graph_msg_handler = NetGraphMsgHandler::new(Arc::clone(&network_graph), None, Arc::clone(&logger));
                let (our_privkey, our_id, privkeys, nodes) = get_nodes(&secp_ctx);
                let scorer = test_utils::TestScorer::with_fixed_penalty(0);
-               let payee = Payee::from_node_id(nodes[6]);
+               let payment_params = PaymentParameters::from_node_id(nodes[6]);
 
                add_channel(&net_graph_msg_handler, &secp_ctx, &our_privkey, &privkeys[1], ChannelFeatures::from_le_bytes(id_to_feature_flags(6)), 6);
                update_channel(&net_graph_msg_handler, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
@@ -4452,7 +4452,7 @@ mod tests {
 
                {
                        // Now ensure the route flows simply over nodes 1 and 4 to 6.
-                       let route = get_route(&our_id, &payee, &network_graph, None, 10_000, 42, Arc::clone(&logger), &scorer).unwrap();
+                       let route = get_route(&our_id, &payment_params, &network_graph, None, 10_000, 42, Arc::clone(&logger), &scorer).unwrap();
                        assert_eq!(route.paths.len(), 1);
                        assert_eq!(route.paths[0].len(), 3);
 
@@ -4488,7 +4488,7 @@ mod tests {
                let (secp_ctx, network_graph, net_graph_msg_handler, _, logger) = build_graph();
                let (our_privkey, our_id, _, nodes) = get_nodes(&secp_ctx);
                let scorer = test_utils::TestScorer::with_fixed_penalty(0);
-               let payee = Payee::from_node_id(nodes[2]);
+               let payment_params = PaymentParameters::from_node_id(nodes[2]);
 
                // We modify the graph to set the htlc_maximum of channel 2 to below the value we wish to
                // send.
@@ -4521,7 +4521,7 @@ mod tests {
                {
                        // Now, attempt to route 90 sats, which is exactly 90 sats at the last hop, plus the
                        // 200% fee charged channel 13 in the 1-to-2 direction.
-                       let route = get_route(&our_id, &payee, &network_graph, None, 90_000, 42, Arc::clone(&logger), &scorer).unwrap();
+                       let route = get_route(&our_id, &payment_params, &network_graph, None, 90_000, 42, Arc::clone(&logger), &scorer).unwrap();
                        assert_eq!(route.paths.len(), 1);
                        assert_eq!(route.paths[0].len(), 2);
 
@@ -4550,7 +4550,7 @@ mod tests {
                let (secp_ctx, network_graph, net_graph_msg_handler, _, logger) = build_graph();
                let (our_privkey, our_id, privkeys, nodes) = get_nodes(&secp_ctx);
                let scorer = test_utils::TestScorer::with_fixed_penalty(0);
-               let payee = Payee::from_node_id(nodes[2]).with_features(InvoiceFeatures::known());
+               let payment_params = PaymentParameters::from_node_id(nodes[2]).with_features(InvoiceFeatures::known());
 
                // We modify the graph to set the htlc_minimum of channel 2 and 4 as needed - channel 2
                // gets an htlc_maximum_msat of 80_000 and channel 4 an htlc_minimum_msat of 90_000. We
@@ -4584,7 +4584,7 @@ mod tests {
                        // Now, attempt to route 90 sats, hitting the htlc_minimum on channel 4, but
                        // overshooting the htlc_maximum on channel 2. Thus, we should pick the (absurdly
                        // expensive) channels 12-13 path.
-                       let route = get_route(&our_id, &payee, &network_graph, None, 90_000, 42, Arc::clone(&logger), &scorer).unwrap();
+                       let route = get_route(&our_id, &payment_params, &network_graph, None, 90_000, 42, Arc::clone(&logger), &scorer).unwrap();
                        assert_eq!(route.paths.len(), 1);
                        assert_eq!(route.paths[0].len(), 2);
 
@@ -4617,10 +4617,10 @@ mod tests {
                let logger = Arc::new(test_utils::TestLogger::new());
                let network_graph = NetworkGraph::new(genesis_block(Network::Testnet).header.block_hash());
                let scorer = test_utils::TestScorer::with_fixed_penalty(0);
-               let payee = Payee::from_node_id(nodes[0]).with_features(InvoiceFeatures::known());
+               let payment_params = PaymentParameters::from_node_id(nodes[0]).with_features(InvoiceFeatures::known());
 
                {
-                       let route = get_route(&our_id, &payee, &network_graph, Some(&[
+                       let route = get_route(&our_id, &payment_params, &network_graph, Some(&[
                                &get_channel_details(Some(3), nodes[0], InitFeatures::known(), 200_000),
                                &get_channel_details(Some(2), nodes[0], InitFeatures::known(), 10_000),
                        ]), 100_000, 42, Arc::clone(&logger), &scorer).unwrap();
@@ -4632,7 +4632,7 @@ mod tests {
                        assert_eq!(route.paths[0][0].fee_msat, 100_000);
                }
                {
-                       let route = get_route(&our_id, &payee, &network_graph, Some(&[
+                       let route = get_route(&our_id, &payment_params, &network_graph, Some(&[
                                &get_channel_details(Some(3), nodes[0], InitFeatures::known(), 50_000),
                                &get_channel_details(Some(2), nodes[0], InitFeatures::known(), 50_000),
                        ]), 100_000, 42, Arc::clone(&logger), &scorer).unwrap();
@@ -4654,12 +4654,12 @@ mod tests {
        fn prefers_shorter_route_with_higher_fees() {
                let (secp_ctx, network_graph, _, _, logger) = build_graph();
                let (_, our_id, _, nodes) = get_nodes(&secp_ctx);
-               let payee = Payee::from_node_id(nodes[6]).with_route_hints(last_hops(&nodes));
+               let payment_params = PaymentParameters::from_node_id(nodes[6]).with_route_hints(last_hops(&nodes));
 
                // Without penalizing each hop 100 msats, a longer path with lower fees is chosen.
                let scorer = test_utils::TestScorer::with_fixed_penalty(0);
                let route = get_route(
-                       &our_id, &payee, &network_graph, None, 100, 42,
+                       &our_id, &payment_params, &network_graph, None, 100, 42,
                        Arc::clone(&logger), &scorer
                ).unwrap();
                let path = route.paths[0].iter().map(|hop| hop.short_channel_id).collect::<Vec<_>>();
@@ -4672,7 +4672,7 @@ mod tests {
                // from nodes[2] rather than channel 6, 11, and 8, even though the longer path is cheaper.
                let scorer = test_utils::TestScorer::with_fixed_penalty(100);
                let route = get_route(
-                       &our_id, &payee, &network_graph, None, 100, 42,
+                       &our_id, &payment_params, &network_graph, None, 100, 42,
                        Arc::clone(&logger), &scorer
                ).unwrap();
                let path = route.paths[0].iter().map(|hop| hop.short_channel_id).collect::<Vec<_>>();
@@ -4721,12 +4721,12 @@ mod tests {
        fn avoids_routing_through_bad_channels_and_nodes() {
                let (secp_ctx, network_graph, _, _, logger) = build_graph();
                let (_, our_id, _, nodes) = get_nodes(&secp_ctx);
-               let payee = Payee::from_node_id(nodes[6]).with_route_hints(last_hops(&nodes));
+               let payment_params = PaymentParameters::from_node_id(nodes[6]).with_route_hints(last_hops(&nodes));
 
                // A path to nodes[6] exists when no penalties are applied to any channel.
                let scorer = test_utils::TestScorer::with_fixed_penalty(0);
                let route = get_route(
-                       &our_id, &payee, &network_graph, None, 100, 42,
+                       &our_id, &payment_params, &network_graph, None, 100, 42,
                        Arc::clone(&logger), &scorer
                ).unwrap();
                let path = route.paths[0].iter().map(|hop| hop.short_channel_id).collect::<Vec<_>>();
@@ -4738,7 +4738,7 @@ mod tests {
                // A different path to nodes[6] exists if channel 6 cannot be routed over.
                let scorer = BadChannelScorer { short_channel_id: 6 };
                let route = get_route(
-                       &our_id, &payee, &network_graph, None, 100, 42,
+                       &our_id, &payment_params, &network_graph, None, 100, 42,
                        Arc::clone(&logger), &scorer
                ).unwrap();
                let path = route.paths[0].iter().map(|hop| hop.short_channel_id).collect::<Vec<_>>();
@@ -4750,7 +4750,7 @@ mod tests {
                // A path to nodes[6] does not exist if nodes[2] cannot be routed through.
                let scorer = BadNodeScorer { node_id: NodeId::from_pubkey(&nodes[2]) };
                match get_route(
-                       &our_id, &payee, &network_graph, None, 100, 42,
+                       &our_id, &payment_params, &network_graph, None, 100, 42,
                        Arc::clone(&logger), &scorer
                ) {
                        Err(LightningError { err, .. } ) => {
@@ -4780,7 +4780,7 @@ mod tests {
                                        short_channel_id: 0, fee_msat: 225, cltv_expiry_delta: 0
                                },
                        ]],
-                       payee: None,
+                       payment_params: None,
                };
 
                assert_eq!(route.get_total_fees(), 250);
@@ -4813,7 +4813,7 @@ mod tests {
                                        short_channel_id: 0, fee_msat: 150, cltv_expiry_delta: 0
                                },
                        ]],
-                       payee: None,
+                       payment_params: None,
                };
 
                assert_eq!(route.get_total_fees(), 200);
@@ -4825,7 +4825,7 @@ mod tests {
                // In an earlier version of `Route::get_total_fees` and `Route::get_total_amount`, they
                // would both panic if the route was completely empty. We test to ensure they return 0
                // here, even though its somewhat nonsensical as a route.
-               let route = Route { paths: Vec::new(), payee: None };
+               let route = Route { paths: Vec::new(), payment_params: None };
 
                assert_eq!(route.get_total_fees(), 0);
                assert_eq!(route.get_total_amount(), 0);
@@ -4840,17 +4840,17 @@ mod tests {
 
                // Make sure that generally there is at least one route available
                let feasible_max_total_cltv_delta = 1008;
-               let feasible_payee = Payee::from_node_id(nodes[6]).with_route_hints(last_hops(&nodes))
+               let feasible_payment_params = PaymentParameters::from_node_id(nodes[6]).with_route_hints(last_hops(&nodes))
                        .with_max_total_cltv_expiry_delta(feasible_max_total_cltv_delta);
-               let route = get_route(&our_id, &feasible_payee, &network_graph, None, 100, 42, Arc::clone(&logger), &scorer).unwrap();
+               let route = get_route(&our_id, &feasible_payment_params, &network_graph, None, 100, 42, Arc::clone(&logger), &scorer).unwrap();
                let path = route.paths[0].iter().map(|hop| hop.short_channel_id).collect::<Vec<_>>();
                assert_ne!(path.len(), 0);
 
                // But not if we exclude all paths on the basis of their accumulated CLTV delta
                let fail_max_total_cltv_delta = 23;
-               let fail_payee = Payee::from_node_id(nodes[6]).with_route_hints(last_hops(&nodes))
+               let fail_payment_params = PaymentParameters::from_node_id(nodes[6]).with_route_hints(last_hops(&nodes))
                        .with_max_total_cltv_expiry_delta(fail_max_total_cltv_delta);
-               match get_route(&our_id, &fail_payee, &network_graph, None, 100, 42, Arc::clone(&logger), &scorer)
+               match get_route(&our_id, &fail_payment_params, &network_graph, None, 100, 42, Arc::clone(&logger), &scorer)
                {
                        Err(LightningError { err, .. } ) => {
                                assert_eq!(err, "Failed to find a path to the given destination");
@@ -4892,9 +4892,9 @@ mod tests {
                                let src = &PublicKey::from_slice(nodes.keys().skip(seed % nodes.len()).next().unwrap().as_slice()).unwrap();
                                seed = seed.overflowing_mul(0xdeadbeef).0;
                                let dst = PublicKey::from_slice(nodes.keys().skip(seed % nodes.len()).next().unwrap().as_slice()).unwrap();
-                               let payee = Payee::from_node_id(dst);
+                               let payment_params = PaymentParameters::from_node_id(dst);
                                let amt = seed as u64 % 200_000_000;
-                               if get_route(src, &payee, &graph, None, amt, 42, &test_utils::TestLogger::new(), &scorer).is_ok() {
+                               if get_route(src, &payment_params, &graph, None, amt, 42, &test_utils::TestLogger::new(), &scorer).is_ok() {
                                        continue 'load_endpoints;
                                }
                        }
@@ -4923,9 +4923,9 @@ mod tests {
                                let src = &PublicKey::from_slice(nodes.keys().skip(seed % nodes.len()).next().unwrap().as_slice()).unwrap();
                                seed = seed.overflowing_mul(0xdeadbeef).0;
                                let dst = PublicKey::from_slice(nodes.keys().skip(seed % nodes.len()).next().unwrap().as_slice()).unwrap();
-                               let payee = Payee::from_node_id(dst).with_features(InvoiceFeatures::known());
+                               let payment_params = PaymentParameters::from_node_id(dst).with_features(InvoiceFeatures::known());
                                let amt = seed as u64 % 200_000_000;
-                               if get_route(src, &payee, &graph, None, amt, 42, &test_utils::TestLogger::new(), &scorer).is_ok() {
+                               if get_route(src, &payment_params, &graph, None, amt, 42, &test_utils::TestLogger::new(), &scorer).is_ok() {
                                        continue 'load_endpoints;
                                }
                        }
@@ -4989,9 +4989,9 @@ mod benches {
                                let src = PublicKey::from_slice(nodes.keys().skip(seed % nodes.len()).next().unwrap().as_slice()).unwrap();
                                seed *= 0xdeadbeef;
                                let dst = PublicKey::from_slice(nodes.keys().skip(seed % nodes.len()).next().unwrap().as_slice()).unwrap();
-                               let payee = Payee::from_node_id(dst);
+                               let payment_params = PaymentParameters::from_node_id(dst);
                                let amt = seed as u64 % 1_000_000;
-                               if get_route(&src, &payee, &graph, None, amt, 42, &DummyLogger{}, &scorer).is_ok() {
+                               if get_route(&src, &payment_params, &graph, None, amt, 42, &DummyLogger{}, &scorer).is_ok() {
                                        path_endpoints.push((src, dst, amt));
                                        continue 'load_endpoints;
                                }
@@ -5002,8 +5002,8 @@ mod benches {
                let mut idx = 0;
                bench.iter(|| {
                        let (src, dst, amt) = path_endpoints[idx % path_endpoints.len()];
-                       let payee = Payee::from_node_id(dst);
-                       assert!(get_route(&src, &payee, &graph, None, amt, 42, &DummyLogger{}, &scorer).is_ok());
+                       let payment_params = PaymentParameters::from_node_id(dst);
+                       assert!(get_route(&src, &payment_params, &graph, None, amt, 42, &DummyLogger{}, &scorer).is_ok());
                        idx += 1;
                });
        }
@@ -5024,9 +5024,9 @@ mod benches {
                                let src = PublicKey::from_slice(nodes.keys().skip(seed % nodes.len()).next().unwrap().as_slice()).unwrap();
                                seed *= 0xdeadbeef;
                                let dst = PublicKey::from_slice(nodes.keys().skip(seed % nodes.len()).next().unwrap().as_slice()).unwrap();
-                               let payee = Payee::from_node_id(dst).with_features(InvoiceFeatures::known());
+                               let payment_params = PaymentParameters::from_node_id(dst).with_features(InvoiceFeatures::known());
                                let amt = seed as u64 % 1_000_000;
-                               if get_route(&src, &payee, &graph, None, amt, 42, &DummyLogger{}, &scorer).is_ok() {
+                               if get_route(&src, &payment_params, &graph, None, amt, 42, &DummyLogger{}, &scorer).is_ok() {
                                        path_endpoints.push((src, dst, amt));
                                        continue 'load_endpoints;
                                }
@@ -5037,8 +5037,8 @@ mod benches {
                let mut idx = 0;
                bench.iter(|| {
                        let (src, dst, amt) = path_endpoints[idx % path_endpoints.len()];
-                       let payee = Payee::from_node_id(dst).with_features(InvoiceFeatures::known());
-                       assert!(get_route(&src, &payee, &graph, None, amt, 42, &DummyLogger{}, &scorer).is_ok());
+                       let payment_params = PaymentParameters::from_node_id(dst).with_features(InvoiceFeatures::known());
+                       assert!(get_route(&src, &payment_params, &graph, None, amt, 42, &DummyLogger{}, &scorer).is_ok());
                        idx += 1;
                });
        }