Correct DecodedOnionFailure when processing we-are-intro-node path
[rust-lightning] / lightning / src / ln / payment_tests.rs
index 3808902581031507921fc3bc2e202bc2ac4053e3..d88730c22db058f6f39c0a0f140adc3fdc89dfb5 100644 (file)
@@ -17,11 +17,11 @@ use crate::sign::EntropySource;
 use crate::chain::transaction::OutPoint;
 use crate::events::{ClosureReason, Event, HTLCDestination, MessageSendEvent, MessageSendEventsProvider, PathFailure, PaymentFailureReason, PaymentPurpose};
 use crate::ln::channel::EXPIRE_PREV_CONFIG_TICKS;
-use crate::ln::channelmanager::{BREAKDOWN_TIMEOUT, ChannelManager, MPP_TIMEOUT_TICKS, MIN_CLTV_EXPIRY_DELTA, PaymentId, PaymentSendFailure, IDEMPOTENCY_TIMEOUT_TICKS, RecentPaymentDetails, RecipientOnionFields, HTLCForwardInfo, PendingHTLCRouting, PendingAddHTLCInfo};
+use crate::ln::channelmanager::{BREAKDOWN_TIMEOUT, MPP_TIMEOUT_TICKS, MIN_CLTV_EXPIRY_DELTA, PaymentId, PaymentSendFailure, RecentPaymentDetails, RecipientOnionFields, HTLCForwardInfo, PendingHTLCRouting, PendingAddHTLCInfo};
 use crate::ln::features::Bolt11InvoiceFeatures;
-use crate::ln::{msgs, PaymentSecret, PaymentPreimage};
+use crate::ln::{msgs, ChannelId, PaymentSecret, PaymentPreimage};
 use crate::ln::msgs::ChannelMessageHandler;
-use crate::ln::outbound_payment::Retry;
+use crate::ln::outbound_payment::{IDEMPOTENCY_TIMEOUT_TICKS, Retry};
 use crate::routing::gossip::{EffectiveCapacity, RoutingFees};
 use crate::routing::router::{get_route, Path, PaymentParameters, Route, Router, RouteHint, RouteHintHop, RouteHop, RouteParameters, find_route};
 use crate::routing::scoring::ChannelUsage;
@@ -94,10 +94,7 @@ fn mpp_retry() {
 
        // Initiate the MPP payment.
        let payment_id = PaymentId(payment_hash.0);
-       let mut route_params = RouteParameters {
-               payment_params: route.payment_params.clone().unwrap(),
-               final_value_msat: amt_msat,
-       };
+       let mut route_params = route.route_params.clone().unwrap();
 
        nodes[0].router.expect_find_route(route_params.clone(), Ok(route.clone()));
        nodes[0].node.send_payment(payment_hash, RecipientOnionFields::secret_only(payment_secret),
@@ -257,10 +254,8 @@ fn do_test_keysend_payments(public_node: bool, with_retry: bool) {
        }
        let payer_pubkey = nodes[0].node.get_our_node_id();
        let payee_pubkey = nodes[1].node.get_our_node_id();
-       let route_params = RouteParameters {
-               payment_params: PaymentParameters::for_keysend(payee_pubkey, 40, false),
-               final_value_msat: 10000,
-       };
+       let route_params = RouteParameters::from_payment_params_and_value(
+               PaymentParameters::for_keysend(payee_pubkey, 40, false), 10000);
 
        let network_graph = nodes[0].network_graph.clone();
        let channels = nodes[0].node.list_usable_channels();
@@ -319,10 +314,8 @@ fn test_mpp_keysend() {
        let payer_pubkey = nodes[0].node.get_our_node_id();
        let payee_pubkey = nodes[3].node.get_our_node_id();
        let recv_value = 15_000_000;
-       let route_params = RouteParameters {
-               payment_params: PaymentParameters::for_keysend(payee_pubkey, 40, true),
-               final_value_msat: recv_value,
-       };
+       let route_params = RouteParameters::from_payment_params_and_value(
+               PaymentParameters::for_keysend(payee_pubkey, 40, true), recv_value);
        let scorer = test_utils::TestScorer::new();
        let random_seed_bytes = chanmon_cfgs[0].keys_manager.get_secure_random_bytes();
        let route = find_route(&payer_pubkey, &route_params, &network_graph, None, nodes[0].logger,
@@ -531,10 +524,7 @@ fn do_retry_with_no_persist(confirm_before_reload: bool) {
        let amt_msat = 1_000_000;
        let (route, payment_hash, payment_preimage, payment_secret) = get_route_and_payment_hash!(nodes[0], nodes[2], amt_msat);
        let (payment_preimage_1, payment_hash_1, _, payment_id_1) = send_along_route(&nodes[0], route.clone(), &[&nodes[1], &nodes[2]], 1_000_000);
-       let route_params = RouteParameters {
-               payment_params: route.payment_params.clone().unwrap(),
-               final_value_msat: amt_msat,
-       };
+       let route_params = route.route_params.unwrap().clone();
        nodes[0].node.send_payment(payment_hash, RecipientOnionFields::secret_only(payment_secret),
                PaymentId(payment_hash.0), route_params, Retry::Attempts(1)).unwrap();
        check_added_monitors!(nodes[0], 1);
@@ -602,7 +592,7 @@ fn do_retry_with_no_persist(confirm_before_reload: bool) {
                MessageSendEvent::HandleError { node_id, action: msgs::ErrorAction::SendErrorMessage { ref msg } } => {
                        assert_eq!(node_id, nodes[1].node.get_our_node_id());
                        nodes[1].node.handle_error(&nodes[0].node.get_our_node_id(), msg);
-                       check_closed_event!(nodes[1], 1, ClosureReason::CounterpartyForceClosed { peer_msg: UntrustedString(format!("Got a message for a channel from the wrong node! No such channel for the passed counterparty_node_id {}", 
+                       check_closed_event!(nodes[1], 1, ClosureReason::CounterpartyForceClosed { peer_msg: UntrustedString(format!("Got a message for a channel from the wrong node! No such channel for the passed counterparty_node_id {}",
                                &nodes[1].node.get_our_node_id())) }, [nodes[0].node.get_our_node_id()], 100000);
                        check_added_monitors!(nodes[1], 1);
                        assert_eq!(nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap().split_off(0).len(), 1);
@@ -621,7 +611,7 @@ fn do_retry_with_no_persist(confirm_before_reload: bool) {
        nodes[1].node.handle_update_fulfill_htlc(&nodes[2].node.get_our_node_id(), &htlc_fulfill_updates.update_fulfill_htlcs[0]);
        check_added_monitors!(nodes[1], 1);
        commitment_signed_dance!(nodes[1], nodes[2], htlc_fulfill_updates.commitment_signed, false);
-       expect_payment_forwarded!(nodes[1], nodes[0], nodes[2], None, false, false);
+       expect_payment_forwarded!(nodes[1], nodes[0], nodes[2], None, true, false);
 
        if confirm_before_reload {
                let best_block = nodes[0].blocks.lock().unwrap().last().unwrap().clone();
@@ -643,7 +633,7 @@ fn do_retry_with_no_persist(confirm_before_reload: bool) {
                mine_transaction(&nodes[0], &as_commitment_tx);
        }
        mine_transaction(&nodes[0], &bs_htlc_claim_txn[0]);
-       expect_payment_sent!(nodes[0], payment_preimage_1);
+       expect_payment_sent(&nodes[0], payment_preimage_1, None, true, false);
        connect_blocks(&nodes[0], TEST_FINAL_CLTV*4 + 20);
        let (first_htlc_timeout_tx, second_htlc_timeout_tx) = {
                let mut txn = nodes[0].tx_broadcaster.unique_txn_broadcast();
@@ -673,9 +663,9 @@ fn do_retry_with_no_persist(confirm_before_reload: bool) {
                let mut peer_state = per_peer_state.get(&nodes[2].node.get_our_node_id())
                        .unwrap().lock().unwrap();
                let mut channel = peer_state.channel_by_id.get_mut(&chan_id_2).unwrap();
-               let mut new_config = channel.context.config();
+               let mut new_config = channel.context().config();
                new_config.forwarding_fee_base_msat += 100_000;
-               channel.context.update_config(&new_config);
+               channel.context_mut().update_config(&new_config);
                new_route.paths[0].hops[0].fee_msat += 100_000;
        }
 
@@ -923,7 +913,7 @@ fn do_test_dup_htlc_onchain_fails_on_reload(persist_manager_post_event: bool, co
 
        // Route a payment, but force-close the channel before the HTLC fulfill message arrives at
        // nodes[0].
-       let (payment_preimage, payment_hash, _) = route_payment(&nodes[0], &[&nodes[1]], 10_000_000);
+       let (payment_preimage, payment_hash, ..) = route_payment(&nodes[0], &[&nodes[1]], 10_000_000);
        nodes[0].node.force_close_broadcasting_latest_txn(&nodes[0].node.list_channels()[0].channel_id, &nodes[1].node.get_our_node_id()).unwrap();
        check_closed_broadcast!(nodes[0], true);
        check_added_monitors!(nodes[0], 1);
@@ -1005,7 +995,7 @@ fn do_test_dup_htlc_onchain_fails_on_reload(persist_manager_post_event: bool, co
        if payment_timeout {
                expect_payment_failed!(nodes[0], payment_hash, false);
        } else {
-               expect_payment_sent!(nodes[0], payment_preimage);
+               expect_payment_sent(&nodes[0], payment_preimage, None, true, false);
        }
 
        // If we persist the ChannelManager after we get the PaymentSent event, we shouldn't get it
@@ -1022,7 +1012,7 @@ fn do_test_dup_htlc_onchain_fails_on_reload(persist_manager_post_event: bool, co
        } else if payment_timeout {
                expect_payment_failed!(nodes[0], payment_hash, false);
        } else {
-               expect_payment_sent!(nodes[0], payment_preimage);
+               expect_payment_sent(&nodes[0], payment_preimage, None, true, false);
        }
 
        // Note that if we re-connect the block which exposed nodes[0] to the payment preimage (but
@@ -1061,7 +1051,7 @@ fn test_fulfill_restart_failure() {
        let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
 
        let chan_id = create_announced_chan_between_nodes(&nodes, 0, 1).2;
-       let (payment_preimage, payment_hash, _) = route_payment(&nodes[0], &[&nodes[1]], 100_000);
+       let (payment_preimage, payment_hash, ..) = route_payment(&nodes[0], &[&nodes[1]], 100_000);
 
        // The simplest way to get a failure after a fulfill is to reload nodes[1] from a state
        // pre-fulfill, which we do by serializing it here.
@@ -1074,7 +1064,7 @@ fn test_fulfill_restart_failure() {
 
        let htlc_fulfill_updates = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
        nodes[0].node.handle_update_fulfill_htlc(&nodes[1].node.get_our_node_id(), &htlc_fulfill_updates.update_fulfill_htlcs[0]);
-       expect_payment_sent_without_paths!(nodes[0], payment_preimage);
+       expect_payment_sent(&nodes[0], payment_preimage, None, false, false);
 
        // Now reload nodes[1]...
        reload_node!(nodes[1], &chan_manager_serialized, &[&chan_0_monitor_serialized], persister, new_chain_monitor, nodes_1_deserialized);
@@ -1111,10 +1101,11 @@ fn get_ldk_payment_preimage() {
        let scorer = test_utils::TestScorer::new();
        let keys_manager = test_utils::TestKeysInterface::new(&[0u8; 32], Network::Testnet);
        let random_seed_bytes = keys_manager.get_secure_random_bytes();
-       let route = get_route(
-               &nodes[0].node.get_our_node_id(), &payment_params, &nodes[0].network_graph.read_only(),
-               Some(&nodes[0].node.list_usable_channels().iter().collect::<Vec<_>>()),
-               amt_msat, nodes[0].logger, &scorer, &(), &random_seed_bytes).unwrap();
+       let route_params = RouteParameters::from_payment_params_and_value(payment_params, amt_msat);
+       let route = get_route( &nodes[0].node.get_our_node_id(), &route_params,
+               &nodes[0].network_graph.read_only(),
+               Some(&nodes[0].node.list_usable_channels().iter().collect::<Vec<_>>()), nodes[0].logger,
+               &scorer, &(), &random_seed_bytes).unwrap();
        nodes[0].node.send_payment_with_route(&route, payment_hash,
                RecipientOnionFields::secret_only(payment_secret), PaymentId(payment_hash.0)).unwrap();
        check_added_monitors!(nodes[0], 1);
@@ -1224,7 +1215,7 @@ fn failed_probe_yields_event() {
 
        let payment_params = PaymentParameters::from_node_id(nodes[2].node.get_our_node_id(), 42);
 
-       let (route, _, _, _) = get_route_and_payment_hash!(&nodes[0], nodes[2], &payment_params, 9_998_000);
+       let (route, _, _, _) = get_route_and_payment_hash!(&nodes[0], nodes[2], payment_params, 9_998_000);
 
        let (payment_hash, payment_id) = nodes[0].node.send_probe(route.paths[0].clone()).unwrap();
 
@@ -1273,7 +1264,7 @@ fn onchain_failed_probe_yields_event() {
        let payment_params = PaymentParameters::from_node_id(nodes[2].node.get_our_node_id(), 42);
 
        // Send a dust HTLC, which will be treated as if it timed out once the channel hits the chain.
-       let (route, _, _, _) = get_route_and_payment_hash!(&nodes[0], nodes[2], &payment_params, 1_000);
+       let (route, _, _, _) = get_route_and_payment_hash!(&nodes[0], nodes[2], payment_params, 1_000);
        let (payment_hash, payment_id) = nodes[0].node.send_probe(route.paths[0].clone()).unwrap();
 
        // node[0] -- update_add_htlcs -> node[1]
@@ -1468,7 +1459,7 @@ fn test_trivial_inflight_htlc_tracking(){
        let (_, _, chan_2_id, _) = create_announced_chan_between_nodes(&nodes, 1, 2);
 
        // Send and claim the payment. Inflight HTLCs should be empty.
-       let payment_hash = send_payment(&nodes[0], &[&nodes[1], &nodes[2]], 500000).1;
+       let (_, payment_hash, _, payment_id) = send_payment(&nodes[0], &[&nodes[1], &nodes[2]], 500000);
        let inflight_htlcs = node_chanmgrs[0].compute_inflight_htlcs();
        {
                let mut node_0_per_peer_lock;
@@ -1478,7 +1469,7 @@ fn test_trivial_inflight_htlc_tracking(){
                let chan_1_used_liquidity = inflight_htlcs.used_liquidity_msat(
                        &NodeId::from_pubkey(&nodes[0].node.get_our_node_id()) ,
                        &NodeId::from_pubkey(&nodes[1].node.get_our_node_id()),
-                       channel_1.context.get_short_channel_id().unwrap()
+                       channel_1.context().get_short_channel_id().unwrap()
                );
                assert_eq!(chan_1_used_liquidity, None);
        }
@@ -1490,14 +1481,14 @@ fn test_trivial_inflight_htlc_tracking(){
                let chan_2_used_liquidity = inflight_htlcs.used_liquidity_msat(
                        &NodeId::from_pubkey(&nodes[1].node.get_our_node_id()) ,
                        &NodeId::from_pubkey(&nodes[2].node.get_our_node_id()),
-                       channel_2.context.get_short_channel_id().unwrap()
+                       channel_2.context().get_short_channel_id().unwrap()
                );
 
                assert_eq!(chan_2_used_liquidity, None);
        }
        let pending_payments = nodes[0].node.list_recent_payments();
        assert_eq!(pending_payments.len(), 1);
-       assert_eq!(pending_payments[0], RecentPaymentDetails::Fulfilled { payment_hash: Some(payment_hash) });
+       assert_eq!(pending_payments[0], RecentPaymentDetails::Fulfilled { payment_hash: Some(payment_hash), payment_id });
 
        // Remove fulfilled payment
        for _ in 0..=IDEMPOTENCY_TIMEOUT_TICKS {
@@ -1505,7 +1496,7 @@ fn test_trivial_inflight_htlc_tracking(){
        }
 
        // Send the payment, but do not claim it. Our inflight HTLCs should contain the pending payment.
-       let (payment_preimage, payment_hash,  _) = route_payment(&nodes[0], &[&nodes[1], &nodes[2]], 500000);
+       let (payment_preimage, payment_hash,  _, payment_id) = route_payment(&nodes[0], &[&nodes[1], &nodes[2]], 500000);
        let inflight_htlcs = node_chanmgrs[0].compute_inflight_htlcs();
        {
                let mut node_0_per_peer_lock;
@@ -1515,7 +1506,7 @@ fn test_trivial_inflight_htlc_tracking(){
                let chan_1_used_liquidity = inflight_htlcs.used_liquidity_msat(
                        &NodeId::from_pubkey(&nodes[0].node.get_our_node_id()) ,
                        &NodeId::from_pubkey(&nodes[1].node.get_our_node_id()),
-                       channel_1.context.get_short_channel_id().unwrap()
+                       channel_1.context().get_short_channel_id().unwrap()
                );
                // First hop accounts for expected 1000 msat fee
                assert_eq!(chan_1_used_liquidity, Some(501000));
@@ -1528,14 +1519,14 @@ fn test_trivial_inflight_htlc_tracking(){
                let chan_2_used_liquidity = inflight_htlcs.used_liquidity_msat(
                        &NodeId::from_pubkey(&nodes[1].node.get_our_node_id()) ,
                        &NodeId::from_pubkey(&nodes[2].node.get_our_node_id()),
-                       channel_2.context.get_short_channel_id().unwrap()
+                       channel_2.context().get_short_channel_id().unwrap()
                );
 
                assert_eq!(chan_2_used_liquidity, Some(500000));
        }
        let pending_payments = nodes[0].node.list_recent_payments();
        assert_eq!(pending_payments.len(), 1);
-       assert_eq!(pending_payments[0], RecentPaymentDetails::Pending { payment_hash, total_msat: 500000 });
+       assert_eq!(pending_payments[0], RecentPaymentDetails::Pending { payment_id, payment_hash, total_msat: 500000 });
 
        // Now, let's claim the payment. This should result in the used liquidity to return `None`.
        claim_payment(&nodes[0], &[&nodes[1], &nodes[2]], payment_preimage);
@@ -1554,7 +1545,7 @@ fn test_trivial_inflight_htlc_tracking(){
                let chan_1_used_liquidity = inflight_htlcs.used_liquidity_msat(
                        &NodeId::from_pubkey(&nodes[0].node.get_our_node_id()) ,
                        &NodeId::from_pubkey(&nodes[1].node.get_our_node_id()),
-                       channel_1.context.get_short_channel_id().unwrap()
+                       channel_1.context().get_short_channel_id().unwrap()
                );
                assert_eq!(chan_1_used_liquidity, None);
        }
@@ -1566,7 +1557,7 @@ fn test_trivial_inflight_htlc_tracking(){
                let chan_2_used_liquidity = inflight_htlcs.used_liquidity_msat(
                        &NodeId::from_pubkey(&nodes[1].node.get_our_node_id()) ,
                        &NodeId::from_pubkey(&nodes[2].node.get_our_node_id()),
-                       channel_2.context.get_short_channel_id().unwrap()
+                       channel_2.context().get_short_channel_id().unwrap()
                );
                assert_eq!(chan_2_used_liquidity, None);
        }
@@ -1607,7 +1598,7 @@ fn test_holding_cell_inflight_htlcs() {
                let used_liquidity = inflight_htlcs.used_liquidity_msat(
                        &NodeId::from_pubkey(&nodes[0].node.get_our_node_id()) ,
                        &NodeId::from_pubkey(&nodes[1].node.get_our_node_id()),
-                       channel.context.get_short_channel_id().unwrap()
+                       channel.context().get_short_channel_id().unwrap()
                );
 
                assert_eq!(used_liquidity, Some(2000000));
@@ -1661,15 +1652,10 @@ fn do_test_intercepted_payment(test: InterceptTest) {
                        }])
                ]).unwrap()
                .with_bolt11_features(nodes[2].node.invoice_features()).unwrap();
-       let route_params = RouteParameters {
-               payment_params,
-               final_value_msat: amt_msat,
-       };
-       let route = get_route(
-               &nodes[0].node.get_our_node_id(), &route_params.payment_params,
-               &nodes[0].network_graph.read_only(), None, route_params.final_value_msat,
-               nodes[0].logger, &scorer, &(), &random_seed_bytes,
-       ).unwrap();
+       let route_params = RouteParameters::from_payment_params_and_value(payment_params, amt_msat,);
+       let route = get_route( &nodes[0].node.get_our_node_id(), &route_params,
+               &nodes[0].network_graph.read_only(), None, nodes[0].logger, &scorer, &(),
+               &random_seed_bytes,).unwrap();
 
        let (payment_hash, payment_secret) = nodes[2].node.create_inbound_payment(Some(amt_msat), 60 * 60, None).unwrap();
        nodes[0].node.send_payment_with_route(&route, payment_hash,
@@ -1703,9 +1689,9 @@ fn do_test_intercepted_payment(test: InterceptTest) {
        };
 
        // Check for unknown channel id error.
-       let unknown_chan_id_err = nodes[1].node.forward_intercepted_htlc(intercept_id, &[42; 32], nodes[2].node.get_our_node_id(), expected_outbound_amount_msat).unwrap_err();
+       let unknown_chan_id_err = nodes[1].node.forward_intercepted_htlc(intercept_id, &ChannelId::from_bytes([42; 32]), nodes[2].node.get_our_node_id(), expected_outbound_amount_msat).unwrap_err();
        assert_eq!(unknown_chan_id_err , APIError::ChannelUnavailable  {
-               err: format!("Funded channel with id {} not found for the passed counterparty node_id {}. Channel may still be opening.",
+               err: format!("Channel with id {} not found for the passed counterparty node_id {}.",
                        log_bytes!([42; 32]), nodes[2].node.get_our_node_id()) });
 
        if test == InterceptTest::Fail {
@@ -1731,8 +1717,8 @@ fn do_test_intercepted_payment(test: InterceptTest) {
                let temp_chan_id = nodes[1].node.create_channel(nodes[2].node.get_our_node_id(), 100_000, 0, 42, None).unwrap();
                let unusable_chan_err = nodes[1].node.forward_intercepted_htlc(intercept_id, &temp_chan_id, nodes[2].node.get_our_node_id(), expected_outbound_amount_msat).unwrap_err();
                assert_eq!(unusable_chan_err , APIError::ChannelUnavailable {
-                       err: format!("Funded channel with id {} not found for the passed counterparty node_id {}. Channel may still be opening.",
-                               log_bytes!(temp_chan_id), nodes[2].node.get_our_node_id()) });
+                       err: format!("Channel with id {} for the passed counterparty node_id {} is still opening.",
+                               temp_chan_id, nodes[2].node.get_our_node_id()) });
                assert_eq!(nodes[1].node.get_and_clear_pending_msg_events().len(), 1);
 
                // Open the just-in-time channel so the payment can then be forwarded.
@@ -1775,6 +1761,7 @@ fn do_test_intercepted_payment(test: InterceptTest) {
                        },
                        _ => panic!("Unexpected event")
                }
+               check_added_monitors(&nodes[0], 1);
        } else if test == InterceptTest::Timeout {
                let mut block = create_dummy_block(nodes[0].best_block_hash(), 42, Vec::new());
                connect_block(&nodes[0], &block);
@@ -1849,10 +1836,7 @@ fn do_accept_underpaying_htlcs_config(num_mpp_parts: usize) {
        let payment_params = PaymentParameters::from_node_id(nodes[2].node.get_our_node_id(), TEST_FINAL_CLTV)
                .with_route_hints(route_hints).unwrap()
                .with_bolt11_features(nodes[2].node.invoice_features()).unwrap();
-       let route_params = RouteParameters {
-               payment_params,
-               final_value_msat: amt_msat,
-       };
+       let route_params = RouteParameters::from_payment_params_and_value(payment_params, amt_msat);
        let (payment_hash, payment_secret) = nodes[2].node.create_inbound_payment(Some(amt_msat), 60 * 60, None).unwrap();
        nodes[0].node.send_payment(payment_hash, RecipientOnionFields::secret_only(payment_secret),
                PaymentId(payment_hash.0), route_params, Retry::Attempts(0)).unwrap();
@@ -1929,7 +1913,7 @@ fn do_accept_underpaying_htlcs_config(num_mpp_parts: usize) {
                payment_preimage);
        // The sender doesn't know that the penultimate hop took an extra fee.
        expect_payment_sent(&nodes[0], payment_preimage,
-               Some(Some(total_fee_msat - skimmed_fee_msat * num_mpp_parts as u64)), true);
+               Some(Some(total_fee_msat - skimmed_fee_msat * num_mpp_parts as u64)), true, true);
 }
 
 #[derive(PartialEq)]
@@ -1979,10 +1963,7 @@ fn do_automatic_retries(test: AutoRetry) {
        let payment_params = PaymentParameters::from_node_id(nodes[2].node.get_our_node_id(), TEST_FINAL_CLTV)
                .with_expiry_time(payment_expiry_secs as u64)
                .with_bolt11_features(invoice_features).unwrap();
-       let route_params = RouteParameters {
-               payment_params,
-               final_value_msat: amt_msat,
-       };
+       let route_params = RouteParameters::from_payment_params_and_value(payment_params, amt_msat);
        let (_, payment_hash, payment_preimage, payment_secret) = get_route_and_payment_hash!(nodes[0], nodes[2], amt_msat);
 
        macro_rules! pass_failed_attempt_with_retry_along_path {
@@ -2198,10 +2179,7 @@ fn auto_retry_partial_failure() {
        let payment_params = PaymentParameters::from_node_id(nodes[1].node.get_our_node_id(), TEST_FINAL_CLTV)
                .with_expiry_time(payment_expiry_secs as u64)
                .with_bolt11_features(invoice_features).unwrap();
-       let route_params = RouteParameters {
-               payment_params,
-               final_value_msat: amt_msat,
-       };
+       let route_params = RouteParameters::from_payment_params_and_value(payment_params, amt_msat);
 
        // Ensure the first monitor update (for the initial send path1 over chan_1) succeeds, but the
        // second (for the initial send path2 over chan_2) fails.
@@ -2233,7 +2211,7 @@ fn auto_retry_partial_failure() {
                                cltv_expiry_delta: 100,
                        }], blinded_tail: None },
                ],
-               payment_params: Some(route_params.payment_params.clone()),
+               route_params: Some(route_params.clone()),
        };
        let retry_1_route = Route {
                paths: vec![
@@ -2254,7 +2232,7 @@ fn auto_retry_partial_failure() {
                                cltv_expiry_delta: 100,
                        }], blinded_tail: None },
                ],
-               payment_params: Some(route_params.payment_params.clone()),
+               route_params: Some(route_params.clone()),
        };
        let retry_2_route = Route {
                paths: vec![
@@ -2267,19 +2245,19 @@ fn auto_retry_partial_failure() {
                                cltv_expiry_delta: 100,
                        }], blinded_tail: None },
                ],
-               payment_params: Some(route_params.payment_params.clone()),
+               route_params: Some(route_params.clone()),
        };
        nodes[0].router.expect_find_route(route_params.clone(), Ok(send_route));
        let mut payment_params = route_params.payment_params.clone();
        payment_params.previously_failed_channels.push(chan_2_id);
-       nodes[0].router.expect_find_route(RouteParameters {
-                       payment_params, final_value_msat: amt_msat / 2,
-               }, Ok(retry_1_route));
+       nodes[0].router.expect_find_route(
+               RouteParameters::from_payment_params_and_value(payment_params, amt_msat / 2),
+               Ok(retry_1_route));
        let mut payment_params = route_params.payment_params.clone();
        payment_params.previously_failed_channels.push(chan_3_id);
-       nodes[0].router.expect_find_route(RouteParameters {
-                       payment_params, final_value_msat: amt_msat / 4,
-               }, Ok(retry_2_route));
+       nodes[0].router.expect_find_route(
+               RouteParameters::from_payment_params_and_value(payment_params, amt_msat / 4),
+               Ok(retry_2_route));
 
        // Send a payment that will partially fail on send, then partially fail on retry, then succeed.
        nodes[0].node.send_payment(payment_hash, RecipientOnionFields::secret_only(payment_secret),
@@ -2353,6 +2331,7 @@ fn auto_retry_partial_failure() {
        assert_eq!(bs_claim_update.update_fulfill_htlcs.len(), 1);
 
        nodes[0].node.handle_update_fulfill_htlc(&nodes[1].node.get_our_node_id(), &bs_claim_update.update_fulfill_htlcs[0]);
+       expect_payment_sent(&nodes[0], payment_preimage, None, false, false);
        nodes[0].node.handle_commitment_signed(&nodes[1].node.get_our_node_id(), &bs_claim_update.commitment_signed);
        check_added_monitors!(nodes[0], 1);
        let (as_third_raa, as_third_cs) = get_revoke_commit_msgs!(nodes[0], nodes[1].node.get_our_node_id());
@@ -2367,6 +2346,7 @@ fn auto_retry_partial_failure() {
 
        nodes[0].node.handle_revoke_and_ack(&nodes[1].node.get_our_node_id(), &bs_third_raa);
        check_added_monitors!(nodes[0], 1);
+       expect_payment_path_successful!(nodes[0]);
 
        nodes[0].node.handle_update_fulfill_htlc(&nodes[1].node.get_our_node_id(), &bs_second_claim_update.update_fulfill_htlcs[0]);
        nodes[0].node.handle_update_fulfill_htlc(&nodes[1].node.get_our_node_id(), &bs_second_claim_update.update_fulfill_htlcs[1]);
@@ -2383,7 +2363,10 @@ fn auto_retry_partial_failure() {
 
        nodes[0].node.handle_revoke_and_ack(&nodes[1].node.get_our_node_id(), &bs_second_raa);
        check_added_monitors!(nodes[0], 1);
-       expect_payment_sent!(nodes[0], payment_preimage);
+       let events = nodes[0].node.get_and_clear_pending_events();
+       assert_eq!(events.len(), 2);
+       if let Event::PaymentPathSuccessful { .. } = events[0] {} else { panic!(); }
+       if let Event::PaymentPathSuccessful { .. } = events[1] {} else { panic!(); }
 }
 
 #[test]
@@ -2410,10 +2393,7 @@ fn auto_retry_zero_attempts_send_error() {
        let payment_params = PaymentParameters::from_node_id(nodes[1].node.get_our_node_id(), TEST_FINAL_CLTV)
                .with_expiry_time(payment_expiry_secs as u64)
                .with_bolt11_features(invoice_features).unwrap();
-       let route_params = RouteParameters {
-               payment_params,
-               final_value_msat: amt_msat,
-       };
+       let route_params = RouteParameters::from_payment_params_and_value(payment_params, amt_msat);
 
        chanmon_cfgs[0].persister.set_update_ret(ChannelMonitorUpdateStatus::PermanentFailure);
        nodes[0].node.send_payment(payment_hash, RecipientOnionFields::secret_only(payment_secret),
@@ -2450,10 +2430,7 @@ fn fails_paying_after_rejected_by_payee() {
        let payment_params = PaymentParameters::from_node_id(nodes[1].node.get_our_node_id(), TEST_FINAL_CLTV)
                .with_expiry_time(payment_expiry_secs as u64)
                .with_bolt11_features(invoice_features).unwrap();
-       let route_params = RouteParameters {
-               payment_params,
-               final_value_msat: amt_msat,
-       };
+       let route_params = RouteParameters::from_payment_params_and_value(payment_params, amt_msat);
 
        nodes[0].node.send_payment(payment_hash, RecipientOnionFields::secret_only(payment_secret),
                PaymentId(payment_hash.0), route_params, Retry::Attempts(1)).unwrap();
@@ -2497,10 +2474,8 @@ fn retry_multi_path_single_failed_payment() {
        let payment_params = PaymentParameters::from_node_id(nodes[1].node.get_our_node_id(), TEST_FINAL_CLTV)
                .with_expiry_time(payment_expiry_secs as u64)
                .with_bolt11_features(invoice_features).unwrap();
-       let route_params = RouteParameters {
-               payment_params: payment_params.clone(),
-               final_value_msat: amt_msat,
-       };
+       let route_params = RouteParameters::from_payment_params_and_value(
+               payment_params.clone(), amt_msat);
 
        let chans = nodes[0].node.list_usable_channels();
        let mut route = Route {
@@ -2522,23 +2497,22 @@ fn retry_multi_path_single_failed_payment() {
                                cltv_expiry_delta: 100,
                        }], blinded_tail: None },
                ],
-               payment_params: Some(payment_params),
+               route_params: Some(route_params.clone()),
        };
        nodes[0].router.expect_find_route(route_params.clone(), Ok(route.clone()));
        // On retry, split the payment across both channels.
        route.paths[0].hops[0].fee_msat = 50_000_001;
        route.paths[1].hops[0].fee_msat = 50_000_000;
-       let mut pay_params = route.payment_params.clone().unwrap();
+       let mut pay_params = route.route_params.clone().unwrap().payment_params;
        pay_params.previously_failed_channels.push(chans[1].short_channel_id.unwrap());
-       nodes[0].router.expect_find_route(RouteParameters {
-                       payment_params: pay_params,
-                       // Note that the second request here requests the amount we originally failed to send,
-                       // not the amount remaining on the full payment, which should be changed.
-                       final_value_msat: 100_000_001,
-               }, Ok(route.clone()));
+       nodes[0].router.expect_find_route(
+               // Note that the second request here requests the amount we originally failed to send,
+               // not the amount remaining on the full payment, which should be changed.
+               RouteParameters::from_payment_params_and_value(pay_params, 100_000_001),
+               Ok(route.clone()));
 
        {
-               let scorer = chanmon_cfgs[0].scorer.lock().unwrap();
+               let scorer = chanmon_cfgs[0].scorer.read().unwrap();
                // The initial send attempt, 2 paths
                scorer.expect_usage(chans[0].short_channel_id.unwrap(), ChannelUsage { amount_msat: 10_000, inflight_htlc_msat: 0, effective_capacity: EffectiveCapacity::Unknown });
                scorer.expect_usage(chans[1].short_channel_id.unwrap(), ChannelUsage { amount_msat: 100_000_001, inflight_htlc_msat: 0, effective_capacity: EffectiveCapacity::Unknown });
@@ -2590,10 +2564,7 @@ fn immediate_retry_on_failure() {
        let payment_params = PaymentParameters::from_node_id(nodes[1].node.get_our_node_id(), TEST_FINAL_CLTV)
                .with_expiry_time(payment_expiry_secs as u64)
                .with_bolt11_features(invoice_features).unwrap();
-       let route_params = RouteParameters {
-               payment_params,
-               final_value_msat: amt_msat,
-       };
+       let route_params = RouteParameters::from_payment_params_and_value(payment_params, amt_msat);
 
        let chans = nodes[0].node.list_usable_channels();
        let mut route = Route {
@@ -2607,7 +2578,9 @@ fn immediate_retry_on_failure() {
                                cltv_expiry_delta: 100,
                        }], blinded_tail: None },
                ],
-               payment_params: Some(PaymentParameters::from_node_id(nodes[1].node.get_our_node_id(), TEST_FINAL_CLTV)),
+               route_params: Some(RouteParameters::from_payment_params_and_value(
+                       PaymentParameters::from_node_id(nodes[1].node.get_our_node_id(), TEST_FINAL_CLTV),
+                       100_000_001)),
        };
        nodes[0].router.expect_find_route(route_params.clone(), Ok(route.clone()));
        // On retry, split the payment across both channels.
@@ -2617,9 +2590,9 @@ fn immediate_retry_on_failure() {
        route.paths[1].hops[0].fee_msat = 50_000_001;
        let mut pay_params = route_params.payment_params.clone();
        pay_params.previously_failed_channels.push(chans[0].short_channel_id.unwrap());
-       nodes[0].router.expect_find_route(RouteParameters {
-                       payment_params: pay_params, final_value_msat: amt_msat,
-               }, Ok(route.clone()));
+       nodes[0].router.expect_find_route(
+               RouteParameters::from_payment_params_and_value(pay_params, amt_msat),
+               Ok(route.clone()));
 
        nodes[0].node.send_payment(payment_hash, RecipientOnionFields::secret_only(payment_secret),
                PaymentId(payment_hash.0), route_params, Retry::Attempts(1)).unwrap();
@@ -2678,10 +2651,7 @@ fn no_extra_retries_on_back_to_back_fail() {
        let payment_params = PaymentParameters::from_node_id(nodes[1].node.get_our_node_id(), TEST_FINAL_CLTV)
                .with_expiry_time(payment_expiry_secs as u64)
                .with_bolt11_features(invoice_features).unwrap();
-       let route_params = RouteParameters {
-               payment_params,
-               final_value_msat: amt_msat,
-       };
+       let route_params = RouteParameters::from_payment_params_and_value(payment_params, amt_msat);
 
        let mut route = Route {
                paths: vec![
@@ -2716,7 +2686,9 @@ fn no_extra_retries_on_back_to_back_fail() {
                                cltv_expiry_delta: 100,
                        }], blinded_tail: None }
                ],
-               payment_params: Some(PaymentParameters::from_node_id(nodes[2].node.get_our_node_id(), TEST_FINAL_CLTV)),
+               route_params: Some(RouteParameters::from_payment_params_and_value(
+                       PaymentParameters::from_node_id(nodes[2].node.get_our_node_id(), TEST_FINAL_CLTV),
+                       100_000_000)),
        };
        nodes[0].router.expect_find_route(route_params.clone(), Ok(route.clone()));
        let mut second_payment_params = route_params.payment_params.clone();
@@ -2724,10 +2696,9 @@ fn no_extra_retries_on_back_to_back_fail() {
        // On retry, we'll only return one path
        route.paths.remove(1);
        route.paths[0].hops[1].fee_msat = amt_msat;
-       nodes[0].router.expect_find_route(RouteParameters {
-                       payment_params: second_payment_params,
-                       final_value_msat: amt_msat,
-               }, Ok(route.clone()));
+       nodes[0].router.expect_find_route(
+               RouteParameters::from_payment_params_and_value(second_payment_params, amt_msat),
+               Ok(route.clone()));
 
        nodes[0].node.send_payment(payment_hash, RecipientOnionFields::secret_only(payment_secret),
                PaymentId(payment_hash.0), route_params, Retry::Attempts(1)).unwrap();
@@ -2880,10 +2851,7 @@ fn test_simple_partial_retry() {
        let payment_params = PaymentParameters::from_node_id(nodes[1].node.get_our_node_id(), TEST_FINAL_CLTV)
                .with_expiry_time(payment_expiry_secs as u64)
                .with_bolt11_features(invoice_features).unwrap();
-       let route_params = RouteParameters {
-               payment_params,
-               final_value_msat: amt_msat,
-       };
+       let route_params = RouteParameters::from_payment_params_and_value(payment_params, amt_msat);
 
        let mut route = Route {
                paths: vec![
@@ -2918,17 +2886,18 @@ fn test_simple_partial_retry() {
                                cltv_expiry_delta: 100,
                        }], blinded_tail: None }
                ],
-               payment_params: Some(PaymentParameters::from_node_id(nodes[2].node.get_our_node_id(), TEST_FINAL_CLTV)),
+               route_params: Some(RouteParameters::from_payment_params_and_value(
+                       PaymentParameters::from_node_id(nodes[2].node.get_our_node_id(), TEST_FINAL_CLTV),
+                       100_000_000)),
        };
        nodes[0].router.expect_find_route(route_params.clone(), Ok(route.clone()));
        let mut second_payment_params = route_params.payment_params.clone();
        second_payment_params.previously_failed_channels = vec![chan_2_scid];
        // On retry, we'll only be asked for one path (or 100k sats)
        route.paths.remove(0);
-       nodes[0].router.expect_find_route(RouteParameters {
-                       payment_params: second_payment_params,
-                       final_value_msat: amt_msat / 2,
-               }, Ok(route.clone()));
+       nodes[0].router.expect_find_route(
+               RouteParameters::from_payment_params_and_value(second_payment_params, amt_msat / 2),
+               Ok(route.clone()));
 
        nodes[0].node.send_payment(payment_hash, RecipientOnionFields::secret_only(payment_secret),
                PaymentId(payment_hash.0), route_params, Retry::Attempts(1)).unwrap();
@@ -3046,10 +3015,7 @@ fn test_threaded_payment_retries() {
        let payment_params = PaymentParameters::from_node_id(nodes[1].node.get_our_node_id(), TEST_FINAL_CLTV)
                .with_expiry_time(payment_expiry_secs as u64)
                .with_bolt11_features(invoice_features).unwrap();
-       let mut route_params = RouteParameters {
-               payment_params,
-               final_value_msat: amt_msat,
-       };
+       let mut route_params = RouteParameters::from_payment_params_and_value(payment_params, amt_msat);
 
        let mut route = Route {
                paths: vec![
@@ -3084,7 +3050,9 @@ fn test_threaded_payment_retries() {
                                cltv_expiry_delta: 100,
                        }], blinded_tail: None }
                ],
-               payment_params: Some(PaymentParameters::from_node_id(nodes[2].node.get_our_node_id(), TEST_FINAL_CLTV)),
+               route_params: Some(RouteParameters::from_payment_params_and_value(
+                       PaymentParameters::from_node_id(nodes[2].node.get_our_node_id(), TEST_FINAL_CLTV),
+                       amt_msat - amt_msat / 1000)),
        };
        nodes[0].router.expect_find_route(route_params.clone(), Ok(route.clone()));
 
@@ -3172,7 +3140,7 @@ fn test_threaded_payment_retries() {
        }
 }
 
-fn do_no_missing_sent_on_midpoint_reload(persist_manager_with_payment: bool) {
+fn do_no_missing_sent_on_reload(persist_manager_with_payment: bool, at_midpoint: bool) {
        // Test that if we reload in the middle of an HTLC claim commitment signed dance we'll still
        // receive the PaymentSent event even if the ChannelManager had no idea about the payment when
        // it was last persisted.
@@ -3191,7 +3159,7 @@ fn do_no_missing_sent_on_midpoint_reload(persist_manager_with_payment: bool) {
                nodes_0_serialized = nodes[0].node.encode();
        }
 
-       let (our_payment_preimage, our_payment_hash, _) = route_payment(&nodes[0], &[&nodes[1]], 1_000_000);
+       let (our_payment_preimage, our_payment_hash, ..) = route_payment(&nodes[0], &[&nodes[1]], 1_000_000);
 
        if persist_manager_with_payment {
                nodes_0_serialized = nodes[0].node.encode();
@@ -3201,10 +3169,20 @@ fn do_no_missing_sent_on_midpoint_reload(persist_manager_with_payment: bool) {
        check_added_monitors!(nodes[1], 1);
        expect_payment_claimed!(nodes[1], our_payment_hash, 1_000_000);
 
-       let updates = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
-       nodes[0].node.handle_update_fulfill_htlc(&nodes[1].node.get_our_node_id(), &updates.update_fulfill_htlcs[0]);
-       nodes[0].node.handle_commitment_signed(&nodes[1].node.get_our_node_id(), &updates.commitment_signed);
-       check_added_monitors!(nodes[0], 1);
+       if at_midpoint {
+               let updates = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
+               nodes[0].node.handle_update_fulfill_htlc(&nodes[1].node.get_our_node_id(), &updates.update_fulfill_htlcs[0]);
+               nodes[0].node.handle_commitment_signed(&nodes[1].node.get_our_node_id(), &updates.commitment_signed);
+               check_added_monitors!(nodes[0], 1);
+       } else {
+               let htlc_fulfill_updates = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
+               nodes[0].node.handle_update_fulfill_htlc(&nodes[1].node.get_our_node_id(), &htlc_fulfill_updates.update_fulfill_htlcs[0]);
+               commitment_signed_dance!(nodes[0], nodes[1], htlc_fulfill_updates.commitment_signed, false);
+               // Ignore the PaymentSent event which is now pending on nodes[0] - if we were to handle it we'd
+               // be expected to ignore the eventual conflicting PaymentFailed, but by not looking at it we
+               // expect to get the PaymentSent again later.
+               check_added_monitors(&nodes[0], 0);
+       }
 
        // The ChannelMonitor should always be the latest version, as we're required to persist it
        // during the commitment signed handling.
@@ -3250,8 +3228,14 @@ fn do_no_missing_sent_on_midpoint_reload(persist_manager_with_payment: bool) {
 
 #[test]
 fn no_missing_sent_on_midpoint_reload() {
-       do_no_missing_sent_on_midpoint_reload(false);
-       do_no_missing_sent_on_midpoint_reload(true);
+       do_no_missing_sent_on_reload(false, true);
+       do_no_missing_sent_on_reload(true, true);
+}
+
+#[test]
+fn no_missing_sent_on_reload() {
+       do_no_missing_sent_on_reload(false, false);
+       do_no_missing_sent_on_reload(true, false);
 }
 
 fn do_claim_from_closed_chan(fail_payment: bool) {
@@ -3281,11 +3265,10 @@ fn do_claim_from_closed_chan(fail_payment: bool) {
        create_announced_chan_between_nodes(&nodes, 2, 3);
 
        let (payment_preimage, payment_hash, payment_secret) = get_payment_preimage_hash!(nodes[3]);
-       let mut route_params = RouteParameters {
-               payment_params: PaymentParameters::from_node_id(nodes[3].node.get_our_node_id(), TEST_FINAL_CLTV)
+       let mut route_params = RouteParameters::from_payment_params_and_value(
+               PaymentParameters::from_node_id(nodes[3].node.get_our_node_id(), TEST_FINAL_CLTV)
                        .with_bolt11_features(nodes[1].node.invoice_features()).unwrap(),
-               final_value_msat: 10_000_000,
-       };
+               10_000_000);
        let mut route = nodes[0].router.find_route(&nodes[0].node.get_our_node_id(), &route_params,
                None, nodes[0].node.compute_inflight_htlcs()).unwrap();
        // Make sure the route is ordered as the B->D path before C->D
@@ -3495,10 +3478,7 @@ fn test_retry_custom_tlvs() {
 
        // Initiate the payment
        let payment_id = PaymentId(payment_hash.0);
-       let mut route_params = RouteParameters {
-               payment_params: route.payment_params.clone().unwrap(),
-               final_value_msat: amt_msat,
-       };
+       let mut route_params = route.route_params.clone().unwrap();
 
        let custom_tlvs = vec![((1 << 16) + 1, vec![0x42u8; 16])];
        let onion_fields = RecipientOnionFields::secret_only(payment_secret);
@@ -3691,7 +3671,7 @@ fn do_test_custom_tlvs_consistency(first_tlvs: Vec<(u64, Vec<u8>)>, second_tlvs:
 
                do_claim_payment_along_route(&nodes[0], &[&[&nodes[1], &nodes[3]], &[&nodes[2], &nodes[3]]],
                        false, our_payment_preimage);
-               expect_payment_sent(&nodes[0], our_payment_preimage, Some(Some(2000)), true);
+               expect_payment_sent(&nodes[0], our_payment_preimage, Some(Some(2000)), true, true);
        } else {
                // Expect fail back
                let expected_destinations = vec![HTLCDestination::FailedPayment { payment_hash: our_payment_hash }];
@@ -3750,10 +3730,7 @@ fn do_test_payment_metadata_consistency(do_reload: bool, do_modify: bool) {
 
        let payment_params = PaymentParameters::from_node_id(nodes[3].node.get_our_node_id(), TEST_FINAL_CLTV)
                .with_bolt11_features(nodes[1].node.invoice_features()).unwrap();
-       let mut route_params = RouteParameters {
-               payment_params,
-               final_value_msat: amt_msat,
-       };
+       let mut route_params = RouteParameters::from_payment_params_and_value(payment_params, amt_msat);
 
        // Send the MPP payment, delivering the updated commitment state to nodes[1].
        nodes[0].node.send_payment(payment_hash, RecipientOnionFields {