Abandon payment on behalf of the user on payment path failure
authorValentine Wallace <vwallace@protonmail.com>
Fri, 3 Feb 2023 17:53:01 +0000 (12:53 -0500)
committerValentine Wallace <vwallace@protonmail.com>
Wed, 15 Feb 2023 22:46:30 +0000 (17:46 -0500)
Removed retry_single_path_payment, it's replaced by automatic_retries with
AutoRetry::Success

fuzz/src/chanmon_consistency.rs
lightning/src/ln/chanmon_update_fail_tests.rs
lightning/src/ln/functional_test_utils.rs
lightning/src/ln/functional_tests.rs
lightning/src/ln/monitor_tests.rs
lightning/src/ln/onion_route_tests.rs
lightning/src/ln/outbound_payment.rs
lightning/src/ln/payment_tests.rs

index a088f64f4d1cbad35a7dfd8fb55146a6e07951eb..39887e838401c545a6002e128d58c6330eb108d2 100644 (file)
@@ -914,6 +914,7 @@ pub fn do_test<Out: Output>(data: &[u8], underlying_out: Out) {
                                                events::Event::PaymentClaimed { .. } => {},
                                                events::Event::PaymentPathSuccessful { .. } => {},
                                                events::Event::PaymentPathFailed { .. } => {},
+                                               events::Event::PaymentFailed { .. } => {},
                                                events::Event::ProbeSuccessful { .. } | events::Event::ProbeFailed { .. } => {
                                                        // Even though we don't explicitly send probes, because probes are
                                                        // detected based on hashing the payment hash+preimage, its rather
index e1ea256a661c663e5e00606517c441b56223fe61..fdb66cc4dc8224d6c95b4abd57bdeaf24983509a 100644 (file)
@@ -1752,12 +1752,18 @@ fn test_monitor_update_on_pending_forwards() {
        commitment_signed_dance!(nodes[0], nodes[1], bs_updates.commitment_signed, false, true);
 
        let events = nodes[0].node.get_and_clear_pending_events();
-       assert_eq!(events.len(), 2);
+       assert_eq!(events.len(), 3);
        if let Event::PaymentPathFailed { payment_hash, payment_failed_permanently, .. } = events[0] {
                assert_eq!(payment_hash, payment_hash_1);
                assert!(payment_failed_permanently);
        } else { panic!("Unexpected event!"); }
        match events[1] {
+               Event::PaymentFailed { payment_hash, .. } => {
+                       assert_eq!(payment_hash, payment_hash_1);
+               },
+               _ => panic!("Unexpected event"),
+       }
+       match events[2] {
                Event::PendingHTLCsForwardable { .. } => { },
                _ => panic!("Unexpected event"),
        };
index 9f888848fe91db7d2e158ca1bdf922af2dfa729d..f9a2424e0805efaedd96d1dd5f35bb5735265faf 100644 (file)
@@ -1800,17 +1800,18 @@ macro_rules! expect_payment_failed {
 }
 
 pub fn expect_payment_failed_conditions_event<'a, 'b, 'c, 'd, 'e>(
-       node: &'a Node<'b, 'c, 'd>, payment_failed_event: Event, expected_payment_hash: PaymentHash,
+       payment_failed_events: Vec<Event>, expected_payment_hash: PaymentHash,
        expected_payment_failed_permanently: bool, conditions: PaymentFailedConditions<'e>
 ) {
-       let expected_payment_id = match payment_failed_event {
+       if conditions.expected_mpp_parts_remain { assert_eq!(payment_failed_events.len(), 1); } else { assert_eq!(payment_failed_events.len(), 2); }
+       let expected_payment_id = match &payment_failed_events[0] {
                Event::PaymentPathFailed { payment_hash, payment_failed_permanently, path, retry, payment_id, network_update, short_channel_id,
                        #[cfg(test)]
                        error_code,
                        #[cfg(test)]
                        error_data, .. } => {
-                       assert_eq!(payment_hash, expected_payment_hash, "unexpected payment_hash");
-                       assert_eq!(payment_failed_permanently, expected_payment_failed_permanently, "unexpected payment_failed_permanently value");
+                       assert_eq!(*payment_hash, expected_payment_hash, "unexpected payment_hash");
+                       assert_eq!(*payment_failed_permanently, expected_payment_failed_permanently, "unexpected payment_failed_permanently 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().payment_params.payee_pubkey, path.last().unwrap().pubkey, "Retry payee node_id should match last hop in path");
@@ -1839,7 +1840,7 @@ pub fn expect_payment_failed_conditions_event<'a, 'b, 'c, 'd, 'e>(
                                        },
                                        Some(NetworkUpdate::ChannelFailure { short_channel_id, is_permanent }) if chan_closed => {
                                                if let Some(scid) = conditions.expected_blamed_scid {
-                                                       assert_eq!(short_channel_id, scid);
+                                                       assert_eq!(*short_channel_id, scid);
                                                }
                                                assert!(is_permanent);
                                        },
@@ -1853,10 +1854,7 @@ pub fn expect_payment_failed_conditions_event<'a, 'b, 'c, 'd, 'e>(
                _ => panic!("Unexpected event"),
        };
        if !conditions.expected_mpp_parts_remain {
-               node.node.abandon_payment(expected_payment_id);
-               let events = node.node.get_and_clear_pending_events();
-               assert_eq!(events.len(), 1);
-               match events[0] {
+               match &payment_failed_events[1] {
                        Event::PaymentFailed { ref payment_hash, ref payment_id } => {
                                assert_eq!(*payment_hash, expected_payment_hash, "unexpected second payment_hash");
                                assert_eq!(*payment_id, expected_payment_id);
@@ -1870,9 +1868,8 @@ pub fn expect_payment_failed_conditions<'a, 'b, 'c, 'd, 'e>(
        node: &'a Node<'b, 'c, 'd>, expected_payment_hash: PaymentHash, expected_payment_failed_permanently: bool,
        conditions: PaymentFailedConditions<'e>
 ) {
-       let mut events = node.node.get_and_clear_pending_events();
-       assert_eq!(events.len(), 1);
-       expect_payment_failed_conditions_event(node, events.pop().unwrap(), expected_payment_hash, expected_payment_failed_permanently, conditions);
+       let events = node.node.get_and_clear_pending_events();
+       expect_payment_failed_conditions_event(events, expected_payment_hash, expected_payment_failed_permanently, conditions);
 }
 
 pub fn send_along_route_with_secret<'a, 'b, 'c>(origin_node: &Node<'a, 'b, 'c>, route: Route, expected_paths: &[&[&Node<'a, 'b, 'c>]], recv_value: u64, our_payment_hash: PaymentHash, our_payment_secret: PaymentSecret) -> PaymentId {
@@ -2157,22 +2154,6 @@ pub fn fail_payment_along_route<'a, 'b, 'c>(origin_node: &Node<'a, 'b, 'c>, expe
 }
 
 pub fn pass_failed_payment_back<'a, 'b, 'c>(origin_node: &Node<'a, 'b, 'c>, expected_paths_slice: &[&[&Node<'a, 'b, 'c>]], skip_last: bool, our_payment_hash: PaymentHash) {
-       let expected_payment_id = pass_failed_payment_back_no_abandon(origin_node, expected_paths_slice, skip_last, our_payment_hash);
-       if !skip_last {
-               origin_node.node.abandon_payment(expected_payment_id.unwrap());
-               let events = origin_node.node.get_and_clear_pending_events();
-               assert_eq!(events.len(), 1);
-               match events[0] {
-                       Event::PaymentFailed { ref payment_hash, ref payment_id } => {
-                               assert_eq!(*payment_hash, our_payment_hash, "unexpected second payment_hash");
-                               assert_eq!(*payment_id, expected_payment_id.unwrap());
-                       }
-                       _ => panic!("Unexpected second event"),
-               }
-       }
-}
-
-pub fn pass_failed_payment_back_no_abandon<'a, 'b, 'c>(origin_node: &Node<'a, 'b, 'c>, expected_paths_slice: &[&[&Node<'a, 'b, 'c>]], skip_last: bool, our_payment_hash: PaymentHash) -> Option<PaymentId> {
        let mut expected_paths: Vec<_> = expected_paths_slice.iter().collect();
        check_added_monitors!(expected_paths[0].last().unwrap(), expected_paths.len());
 
@@ -2196,8 +2177,6 @@ pub fn pass_failed_payment_back_no_abandon<'a, 'b, 'c>(origin_node: &Node<'a, 'b
        per_path_msgs.sort_unstable_by(|(_, node_id_a), (_, node_id_b)| node_id_a.cmp(node_id_b));
        expected_paths.sort_unstable_by(|path_a, path_b| path_a[path_a.len() - 2].node.get_our_node_id().cmp(&path_b[path_b.len() - 2].node.get_our_node_id()));
 
-       let mut expected_payment_id = None;
-
        for (i, (expected_route, (path_msgs, next_hop))) in expected_paths.iter().zip(per_path_msgs.drain(..)).enumerate() {
                let mut next_msgs = Some(path_msgs);
                let mut expected_next_node = next_hop;
@@ -2245,8 +2224,9 @@ pub fn pass_failed_payment_back_no_abandon<'a, 'b, 'c>(origin_node: &Node<'a, 'b
                        assert!(origin_node.node.get_and_clear_pending_msg_events().is_empty());
                        commitment_signed_dance!(origin_node, prev_node, next_msgs.as_ref().unwrap().1, false);
                        let events = origin_node.node.get_and_clear_pending_events();
-                       assert_eq!(events.len(), 1);
-                       expected_payment_id = Some(match events[0] {
+                       if i == expected_paths.len() - 1 { assert_eq!(events.len(), 2); } else { assert_eq!(events.len(), 1); }
+
+                       let expected_payment_id = match events[0] {
                                Event::PaymentPathFailed { payment_hash, payment_failed_permanently, all_paths_failed, ref path, ref payment_id, .. } => {
                                        assert_eq!(payment_hash, our_payment_hash);
                                        assert!(payment_failed_permanently);
@@ -2257,7 +2237,16 @@ pub fn pass_failed_payment_back_no_abandon<'a, 'b, 'c>(origin_node: &Node<'a, 'b
                                        payment_id.unwrap()
                                },
                                _ => panic!("Unexpected event"),
-                       });
+                       };
+                       if i == expected_paths.len() - 1 {
+                               match events[1] {
+                                       Event::PaymentFailed { ref payment_hash, ref payment_id } => {
+                                               assert_eq!(*payment_hash, our_payment_hash, "unexpected second payment_hash");
+                                               assert_eq!(*payment_id, expected_payment_id);
+                                       }
+                                       _ => panic!("Unexpected second event"),
+                               }
+                       }
                }
        }
 
@@ -2266,8 +2255,6 @@ pub fn pass_failed_payment_back_no_abandon<'a, 'b, 'c>(origin_node: &Node<'a, 'b
        assert!(expected_paths[0].last().unwrap().node.get_and_clear_pending_events().is_empty());
        assert!(expected_paths[0].last().unwrap().node.get_and_clear_pending_msg_events().is_empty());
        check_added_monitors!(expected_paths[0].last().unwrap(), 0);
-
-       expected_payment_id
 }
 
 pub fn fail_payment<'a, 'b, 'c>(origin_node: &Node<'a, 'b, 'c>, expected_path: &[&Node<'a, 'b, 'c>], our_payment_hash: PaymentHash)  {
index 9055d4e76fe58fb8ecbccfa386f75bb604298430..3da49ca7dc8d6db2a2a3942c42c1a43e2355351b 100644 (file)
@@ -3170,7 +3170,7 @@ fn do_test_commitment_revoked_fail_backward_exhaustive(deliver_bs_raa: bool, use
        connect_blocks(&nodes[1], ANTI_REORG_DELAY - 1);
 
        let events = nodes[1].node.get_and_clear_pending_events();
-       assert_eq!(events.len(), if deliver_bs_raa { 2 + nodes.len() - 1 } else { 3 + nodes.len() });
+       assert_eq!(events.len(), if deliver_bs_raa { 3 + nodes.len() - 1 } else { 4 + nodes.len() });
        match events[0] {
                Event::ChannelClosed { reason: ClosureReason::CommitmentTxConfirmed, .. } => { },
                _ => panic!("Unexepected event"),
@@ -3181,20 +3181,11 @@ fn do_test_commitment_revoked_fail_backward_exhaustive(deliver_bs_raa: bool, use
                },
                _ => panic!("Unexpected event"),
        }
-       if !deliver_bs_raa {
-               match events[2] {
-                       Event::PendingHTLCsForwardable { .. } => { },
-                       _ => panic!("Unexpected event"),
-               };
-               nodes[1].node.abandon_payment(PaymentId(fourth_payment_hash.0));
-               let payment_failed_events = nodes[1].node.get_and_clear_pending_events();
-               assert_eq!(payment_failed_events.len(), 1);
-               match payment_failed_events[0] {
-                       Event::PaymentFailed { ref payment_hash, .. } => {
-                               assert_eq!(*payment_hash, fourth_payment_hash);
-                       },
-                       _ => panic!("Unexpected event"),
-               }
+       match events[2] {
+               Event::PaymentFailed { ref payment_hash, .. } => {
+                       assert_eq!(*payment_hash, fourth_payment_hash);
+               },
+               _ => panic!("Unexpected event"),
        }
 
        nodes[1].node.process_pending_htlc_forwards();
@@ -3242,7 +3233,7 @@ fn do_test_commitment_revoked_fail_backward_exhaustive(deliver_bs_raa: bool, use
                        commitment_signed_dance!(nodes[0], nodes[1], commitment_signed, false, true);
 
                        let events = nodes[0].node.get_and_clear_pending_events();
-                       assert_eq!(events.len(), 3);
+                       assert_eq!(events.len(), 6);
                        match events[0] {
                                Event::PaymentPathFailed { ref payment_hash, ref network_update, .. } => {
                                        assert!(failed_htlcs.insert(payment_hash.0));
@@ -3255,19 +3246,37 @@ fn do_test_commitment_revoked_fail_backward_exhaustive(deliver_bs_raa: bool, use
                                _ => panic!("Unexpected event"),
                        }
                        match events[1] {
+                               Event::PaymentFailed { ref payment_hash, .. } => {
+                                       assert_eq!(*payment_hash, first_payment_hash);
+                               },
+                               _ => panic!("Unexpected event"),
+                       }
+                       match events[2] {
                                Event::PaymentPathFailed { ref payment_hash, ref network_update, .. } => {
                                        assert!(failed_htlcs.insert(payment_hash.0));
                                        assert!(network_update.is_some());
                                },
                                _ => panic!("Unexpected event"),
                        }
-                       match events[2] {
+                       match events[3] {
+                               Event::PaymentFailed { ref payment_hash, .. } => {
+                                       assert_eq!(*payment_hash, second_payment_hash);
+                               },
+                               _ => panic!("Unexpected event"),
+                       }
+                       match events[4] {
                                Event::PaymentPathFailed { ref payment_hash, ref network_update, .. } => {
                                        assert!(failed_htlcs.insert(payment_hash.0));
                                        assert!(network_update.is_some());
                                },
                                _ => panic!("Unexpected event"),
                        }
+                       match events[5] {
+                               Event::PaymentFailed { ref payment_hash, .. } => {
+                                       assert_eq!(*payment_hash, third_payment_hash);
+                               },
+                               _ => panic!("Unexpected event"),
+                       }
                },
                _ => panic!("Unexpected event"),
        }
@@ -3354,7 +3363,7 @@ fn fail_backward_pending_htlc_upon_channel_failure() {
                nodes[0].node.handle_update_add_htlc(&nodes[1].node.get_our_node_id(), &update_add_htlc);
        }
        let events = nodes[0].node.get_and_clear_pending_events();
-       assert_eq!(events.len(), 2);
+       assert_eq!(events.len(), 3);
        // Check that Alice fails backward the pending HTLC from the second payment.
        match events[0] {
                Event::PaymentPathFailed { payment_hash, .. } => {
@@ -3363,6 +3372,12 @@ fn fail_backward_pending_htlc_upon_channel_failure() {
                _ => panic!("Unexpected event"),
        }
        match events[1] {
+               Event::PaymentFailed { payment_hash, .. } => {
+                       assert_eq!(payment_hash, failed_payment_hash);
+               },
+               _ => panic!("Unexpected event"),
+       }
+       match events[2] {
                Event::ChannelClosed { reason: ClosureReason::ProcessingError { ref err }, .. } => {
                        assert_eq!(err, "Remote side tried to send a 0-msat HTLC");
                },
@@ -3594,7 +3609,7 @@ fn test_simple_peer_disconnect() {
        reconnect_nodes(&nodes[0], &nodes[1], (false, false), (0, 0), (0, 0), (0, 0), (1, 0), (1, 0), (false, false));
        {
                let events = nodes[0].node.get_and_clear_pending_events();
-               assert_eq!(events.len(), 3);
+               assert_eq!(events.len(), 4);
                match events[0] {
                        Event::PaymentSent { payment_preimage, payment_hash, .. } => {
                                assert_eq!(payment_preimage, payment_preimage_3);
@@ -3610,6 +3625,12 @@ fn test_simple_peer_disconnect() {
                        _ => panic!("Unexpected event"),
                }
                match events[2] {
+                       Event::PaymentFailed { payment_hash, .. } => {
+                               assert_eq!(payment_hash, payment_hash_5);
+                       },
+                       _ => panic!("Unexpected event"),
+               }
+               match events[3] {
                        Event::PaymentPathSuccessful { .. } => {},
                        _ => panic!("Unexpected event"),
                }
@@ -5123,7 +5144,7 @@ fn do_test_fail_backwards_unrevoked_remote_announce(deliver_last_raa: bool, anno
        }
 
        let as_events = nodes[0].node.get_and_clear_pending_events();
-       assert_eq!(as_events.len(), if announce_latest { 5 } else { 3 });
+       assert_eq!(as_events.len(), if announce_latest { 10 } else { 6 });
        let mut as_failds = HashSet::new();
        let mut as_updates = 0;
        for event in as_events.iter() {
@@ -5137,6 +5158,7 @@ fn do_test_fail_backwards_unrevoked_remote_announce(deliver_last_raa: bool, anno
                        if network_update.is_some() {
                                as_updates += 1;
                        }
+               } else if let &Event::PaymentFailed { .. } = event {
                } else { panic!("Unexpected event"); }
        }
        assert!(as_failds.contains(&payment_hash_1));
@@ -5148,7 +5170,7 @@ fn do_test_fail_backwards_unrevoked_remote_announce(deliver_last_raa: bool, anno
        assert!(as_failds.contains(&payment_hash_6));
 
        let bs_events = nodes[1].node.get_and_clear_pending_events();
-       assert_eq!(bs_events.len(), if announce_latest { 4 } else { 3 });
+       assert_eq!(bs_events.len(), if announce_latest { 8 } else { 6 });
        let mut bs_failds = HashSet::new();
        let mut bs_updates = 0;
        for event in bs_events.iter() {
@@ -5162,6 +5184,7 @@ fn do_test_fail_backwards_unrevoked_remote_announce(deliver_last_raa: bool, anno
                        if network_update.is_some() {
                                bs_updates += 1;
                        }
+               } else if let &Event::PaymentFailed { .. } = event {
                } else { panic!("Unexpected event"); }
        }
        assert!(bs_failds.contains(&payment_hash_1));
@@ -5670,7 +5693,7 @@ fn test_fail_holding_cell_htlc_upon_free() {
 
        // Check that the payment failed to be sent out.
        let events = nodes[0].node.get_and_clear_pending_events();
-       assert_eq!(events.len(), 1);
+       assert_eq!(events.len(), 2);
        match &events[0] {
                &Event::PaymentPathFailed { ref payment_id, ref payment_hash, ref payment_failed_permanently, ref network_update, ref all_paths_failed, ref short_channel_id, .. } => {
                        assert_eq!(PaymentId(our_payment_hash.0), *payment_id.as_ref().unwrap());
@@ -5682,6 +5705,12 @@ fn test_fail_holding_cell_htlc_upon_free() {
                },
                _ => panic!("Unexpected event"),
        }
+       match &events[1] {
+               &Event::PaymentFailed { ref payment_hash, .. } => {
+                       assert_eq!(our_payment_hash.clone(), *payment_hash);
+               },
+               _ => panic!("Unexpected event"),
+       }
 }
 
 // Test that if multiple HTLCs are released from the holding cell and one is
@@ -5755,7 +5784,7 @@ fn test_free_and_fail_holding_cell_htlcs() {
 
        // Check that the second payment failed to be sent out.
        let events = nodes[0].node.get_and_clear_pending_events();
-       assert_eq!(events.len(), 1);
+       assert_eq!(events.len(), 2);
        match &events[0] {
                &Event::PaymentPathFailed { ref payment_id, ref payment_hash, ref payment_failed_permanently, ref network_update, ref all_paths_failed, ref short_channel_id, .. } => {
                        assert_eq!(payment_id_2, *payment_id.as_ref().unwrap());
@@ -5767,6 +5796,12 @@ fn test_free_and_fail_holding_cell_htlcs() {
                },
                _ => panic!("Unexpected event"),
        }
+       match &events[1] {
+               &Event::PaymentFailed { ref payment_hash, .. } => {
+                       assert_eq!(payment_hash_2.clone(), *payment_hash);
+               },
+               _ => panic!("Unexpected event"),
+       }
 
        // Complete the first payment and the RAA from the fee update.
        let (payment_event, send_raa_event) = {
@@ -6649,7 +6684,7 @@ fn test_channel_failed_after_message_with_badonion_node_perm_bits_set() {
        }
 
        let events_5 = nodes[0].node.get_and_clear_pending_events();
-       assert_eq!(events_5.len(), 1);
+       assert_eq!(events_5.len(), 2);
 
        // Expect a PaymentPathFailed event with a ChannelFailure network update for the channel between
        // the node originating the error to its next hop.
@@ -6663,6 +6698,12 @@ fn test_channel_failed_after_message_with_badonion_node_perm_bits_set() {
                },
                _ => panic!("Unexpected event"),
        }
+       match events_5[1] {
+               Event::PaymentFailed { payment_hash, .. } => {
+                       assert_eq!(payment_hash, our_payment_hash);
+               },
+               _ => panic!("Unexpected event"),
+       }
 
        // TODO: Test actual removal of channel from NetworkGraph when it's implemented.
 }
@@ -6734,7 +6775,7 @@ fn do_test_failure_delay_dust_htlc_local_commitment(announce_latest: bool) {
        connect_blocks(&nodes[0], ANTI_REORG_DELAY - 1);
        let events = nodes[0].node.get_and_clear_pending_events();
        // Only 2 PaymentPathFailed events should show up, over-dust HTLC has to be failed by timeout tx
-       assert_eq!(events.len(), 2);
+       assert_eq!(events.len(), 4);
        let mut first_failed = false;
        for event in events {
                match event {
@@ -6745,7 +6786,8 @@ fn do_test_failure_delay_dust_htlc_local_commitment(announce_latest: bool) {
                                } else {
                                        assert_eq!(payment_hash, payment_hash_2);
                                }
-                       }
+                       },
+                       Event::PaymentFailed { .. } => {}
                        _ => panic!("Unexpected event"),
                }
        }
@@ -9034,9 +9076,11 @@ fn do_test_dup_htlc_second_rejected(test_for_second_fail_panic: bool) {
                commitment_signed_dance!(nodes[0], nodes[1], fail_updates_1.commitment_signed, false);
 
                let failure_events = nodes[0].node.get_and_clear_pending_events();
-               assert_eq!(failure_events.len(), 2);
+               assert_eq!(failure_events.len(), 4);
                if let Event::PaymentPathFailed { .. } = failure_events[0] {} else { panic!(); }
-               if let Event::PaymentPathFailed { .. } = failure_events[1] {} else { panic!(); }
+               if let Event::PaymentFailed { .. } = failure_events[1] {} else { panic!(); }
+               if let Event::PaymentPathFailed { .. } = failure_events[2] {} else { panic!(); }
+               if let Event::PaymentFailed { .. } = failure_events[3] {} else { panic!(); }
        } else {
                // Let the second HTLC fail and claim the first
                expect_pending_htlcs_forwardable_and_htlc_handling_failed_ignore!(nodes[1], vec![HTLCDestination::FailedPayment { payment_hash: our_payment_hash }]);
@@ -9047,7 +9091,7 @@ fn do_test_dup_htlc_second_rejected(test_for_second_fail_panic: bool) {
                nodes[0].node.handle_update_fail_htlc(&nodes[1].node.get_our_node_id(), &fail_updates_1.update_fail_htlcs[0]);
                commitment_signed_dance!(nodes[0], nodes[1], fail_updates_1.commitment_signed, false);
 
-               expect_payment_failed_conditions(&nodes[0], our_payment_hash, true, PaymentFailedConditions::new().mpp_parts_remain());
+               expect_payment_failed_conditions(&nodes[0], our_payment_hash, true, PaymentFailedConditions::new());
 
                claim_payment(&nodes[0], &[&nodes[1]], our_payment_preimage);
        }
@@ -9169,7 +9213,27 @@ fn test_inconsistent_mpp_params() {
        assert_eq!(events.len(), 1);
        pass_along_path(&nodes[0], &[&nodes[2], &nodes[3]], 15_000_000, our_payment_hash, Some(our_payment_secret), events.pop().unwrap(), true, None);
 
-       claim_payment_along_route(&nodes[0], &[&[&nodes[1], &nodes[3]], &[&nodes[2], &nodes[3]]], false, our_payment_preimage);
+       do_claim_payment_along_route(&nodes[0], &[&[&nodes[1], &nodes[3]], &[&nodes[2], &nodes[3]]], false, our_payment_preimage);
+       let events = nodes[0].node.get_and_clear_pending_events();
+       assert_eq!(events.len(), 3);
+       match events[0] {
+               Event::PaymentSent { payment_hash, .. } => { // The payment was abandoned earlier, so the fee paid will be None
+                       assert_eq!(payment_hash, our_payment_hash);
+               },
+               _ => panic!("Unexpected event")
+       }
+       match events[1] {
+               Event::PaymentPathSuccessful { payment_hash, .. } => {
+                       assert_eq!(payment_hash.unwrap(), our_payment_hash);
+               },
+               _ => panic!("Unexpected event")
+       }
+       match events[2] {
+               Event::PaymentPathSuccessful { payment_hash, .. } => {
+                       assert_eq!(payment_hash.unwrap(), our_payment_hash);
+               },
+               _ => panic!("Unexpected event")
+       }
 }
 
 #[test]
index 088cf8661f8487b577a2a71e2a4b68f77236f7ea..c4435b470ca8c6deb8618fada682e9cd063fcc17 100644 (file)
@@ -1241,11 +1241,10 @@ fn do_test_revoked_counterparty_commitment_balances(confirm_htlc_spend_first: bo
        test_spendable_output(&nodes[1], &as_revoked_txn[0]);
 
        let mut payment_failed_events = nodes[1].node.get_and_clear_pending_events();
-       expect_payment_failed_conditions_event(&nodes[1], payment_failed_events.pop().unwrap(),
-               dust_payment_hash, false, PaymentFailedConditions::new());
-       expect_payment_failed_conditions_event(&nodes[1], payment_failed_events.pop().unwrap(),
+       expect_payment_failed_conditions_event(payment_failed_events[..2].to_vec(),
                missing_htlc_payment_hash, false, PaymentFailedConditions::new());
-       assert!(payment_failed_events.is_empty());
+       expect_payment_failed_conditions_event(payment_failed_events[2..].to_vec(),
+               dust_payment_hash, false, PaymentFailedConditions::new());
 
        connect_blocks(&nodes[1], 1);
        test_spendable_output(&nodes[1], &claim_txn[if confirm_htlc_spend_first { 2 } else { 3 }]);
index fbc8e1c9e4ec22cfe805154e04f2af7546ff89f9..bb69bbb32d51fd7ee95108c3c89ad06902fc58b7 100644 (file)
@@ -166,7 +166,7 @@ fn run_onion_failure_test_with_fail_intercept<F1,F2,F3>(_name: &str, test_case:
        commitment_signed_dance!(nodes[0], nodes[1], update_1_0.commitment_signed, false, true);
 
        let events = nodes[0].node.get_and_clear_pending_events();
-       assert_eq!(events.len(), 1);
+       assert_eq!(events.len(), 2);
        if let &Event::PaymentPathFailed { ref payment_failed_permanently, ref network_update, ref all_paths_failed, ref short_channel_id, ref error_code, .. } = &events[0] {
                assert_eq!(*payment_failed_permanently, !expected_retryable);
                assert_eq!(*all_paths_failed, true);
@@ -212,10 +212,7 @@ fn run_onion_failure_test_with_fail_intercept<F1,F2,F3>(_name: &str, test_case:
        } else {
                panic!("Unexpected event");
        }
-       nodes[0].node.abandon_payment(payment_id);
-       let events = nodes[0].node.get_and_clear_pending_events();
-       assert_eq!(events.len(), 1);
-       match events[0] {
+       match events[1] {
                Event::PaymentFailed { payment_hash: ev_payment_hash, payment_id: ev_payment_id } => {
                        assert_eq!(*payment_hash, ev_payment_hash);
                        assert_eq!(payment_id, ev_payment_id);
index dd5cd892648dccd9d2803ed96b5f2e6965062de0..55719c4053f62a704d7f72704d2d787bbdc85258 100644 (file)
@@ -1009,6 +1009,7 @@ impl OutboundPayments {
                #[cfg(not(test))]
                let (network_update, short_channel_id, payment_retryable, _, _) = onion_error.decode_onion_failure(secp_ctx, logger, &source);
 
+               let payment_is_probe = payment_is_probe(payment_hash, &payment_id, probing_cookie_secret);
                let mut session_priv_bytes = [0; 32];
                session_priv_bytes.copy_from_slice(&session_priv[..]);
                let mut outbounds = self.pending_outbound_payments.lock().unwrap();
@@ -1025,7 +1026,7 @@ impl OutboundPayments {
                                log_trace!(logger, "Received failure of HTLC with payment_hash {} after payment completion", log_bytes!(payment_hash.0));
                                return
                        }
-                       let is_retryable_now = payment.get().is_auto_retryable_now();
+                       let mut is_retryable_now = payment.get().is_auto_retryable_now();
                        if let Some(scid) = short_channel_id {
                                payment.get_mut().insert_previously_failed_scid(scid);
                        }
@@ -1056,6 +1057,10 @@ impl OutboundPayments {
                                });
                        }
 
+                       if !payment_is_probe && (!is_retryable_now || !payment_retryable || retry.is_none()) {
+                               let _ = payment.get_mut().mark_abandoned(); // we'll only Err if it's a legacy payment
+                               is_retryable_now = false;
+                       }
                        if payment.get().remaining_parts() == 0 {
                                all_paths_failed = true;
                                if payment.get().abandoned() {
@@ -1075,7 +1080,7 @@ impl OutboundPayments {
                log_trace!(logger, "Failing outbound payment HTLC with payment_hash {}", log_bytes!(payment_hash.0));
 
                let path_failure = {
-                       if payment_is_probe(payment_hash, &payment_id, probing_cookie_secret) {
+                       if payment_is_probe {
                                if !payment_retryable {
                                        events::Event::ProbeSuccessful {
                                                payment_id: *payment_id,
@@ -1097,7 +1102,9 @@ impl OutboundPayments {
                                if let Some(scid) = short_channel_id {
                                        retry.as_mut().map(|r| r.payment_params.previously_failed_channels.push(scid));
                                }
-                               if payment_retryable && attempts_remaining && retry.is_some() {
+                               // If we miss abandoning the payment above, we *must* generate an event here or else the
+                               // payment will sit in our outbounds forever.
+                               if attempts_remaining {
                                        debug_assert!(full_failure_ev.is_none());
                                        pending_retry_ev = Some(events::Event::PendingHTLCsForwardable {
                                                time_forwardable: Duration::from_millis(MIN_HTLC_RELAY_HOLDING_CELL_MILLIS),
index fcd57d8f0ad1f30e22bead96491da649872695de..f75cbd436e81091768c0fd43568f432dc0f035e5 100644 (file)
@@ -43,60 +43,6 @@ use {
        std::time::{SystemTime, Duration}
 };
 
-#[test]
-fn retry_single_path_payment() {
-       let chanmon_cfgs = create_chanmon_cfgs(3);
-       let node_cfgs = create_node_cfgs(3, &chanmon_cfgs);
-       let node_chanmgrs = create_node_chanmgrs(3, &node_cfgs, &[None, None, None]);
-       let mut nodes = create_network(3, &node_cfgs, &node_chanmgrs);
-
-       let _chan_0 = create_announced_chan_between_nodes(&nodes, 0, 1);
-       let chan_1 = create_announced_chan_between_nodes(&nodes, 2, 1);
-       // Rebalance to find a route
-       send_payment(&nodes[2], &vec!(&nodes[1])[..], 3_000_000);
-
-       let (route, payment_hash, payment_preimage, payment_secret) = get_route_and_payment_hash!(nodes[0], nodes[2], 100_000);
-
-       // Rebalance so that the first hop fails.
-       send_payment(&nodes[1], &vec!(&nodes[2])[..], 2_000_000);
-
-       // Make sure the payment fails on the first hop.
-       let payment_id = PaymentId(payment_hash.0);
-       nodes[0].node.send_payment(&route, payment_hash, &Some(payment_secret), payment_id).unwrap();
-       check_added_monitors!(nodes[0], 1);
-       let mut events = nodes[0].node.get_and_clear_pending_msg_events();
-       assert_eq!(events.len(), 1);
-       let mut payment_event = SendEvent::from_event(events.pop().unwrap());
-       nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &payment_event.msgs[0]);
-       check_added_monitors!(nodes[1], 0);
-       commitment_signed_dance!(nodes[1], nodes[0], payment_event.commitment_msg, false);
-       expect_pending_htlcs_forwardable!(nodes[1]);
-       expect_pending_htlcs_forwardable_and_htlc_handling_failed!(&nodes[1], vec![HTLCDestination::NextHopChannel { node_id: Some(nodes[2].node.get_our_node_id()), channel_id: chan_1.2 }]);
-       let htlc_updates = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
-       assert!(htlc_updates.update_add_htlcs.is_empty());
-       assert_eq!(htlc_updates.update_fail_htlcs.len(), 1);
-       assert!(htlc_updates.update_fulfill_htlcs.is_empty());
-       assert!(htlc_updates.update_fail_malformed_htlcs.is_empty());
-       check_added_monitors!(nodes[1], 1);
-       nodes[0].node.handle_update_fail_htlc(&nodes[1].node.get_our_node_id(), &htlc_updates.update_fail_htlcs[0]);
-       commitment_signed_dance!(nodes[0], nodes[1], htlc_updates.commitment_signed, false);
-       expect_payment_failed_conditions(&nodes[0], payment_hash, false, PaymentFailedConditions::new().mpp_parts_remain());
-
-       // Rebalance the channel so the retry succeeds.
-       send_payment(&nodes[2], &vec!(&nodes[1])[..], 3_000_000);
-
-       // Mine two blocks (we expire retries after 3, so this will check that we don't expire early)
-       connect_blocks(&nodes[0], 2);
-
-       // Retry the payment and make sure it succeeds.
-       nodes[0].node.retry_payment(&route, payment_id).unwrap();
-       check_added_monitors!(nodes[0], 1);
-       let mut events = nodes[0].node.get_and_clear_pending_msg_events();
-       assert_eq!(events.len(), 1);
-       pass_along_path(&nodes[0], &[&nodes[1], &nodes[2]], 100_000, payment_hash, Some(payment_secret), events.pop().unwrap(), true, None);
-       claim_payment_along_route(&nodes[0], &[&[&nodes[1], &nodes[2]]], false, payment_preimage);
-}
-
 #[test]
 fn mpp_failure() {
        let chanmon_cfgs = create_chanmon_cfgs(4);
@@ -136,7 +82,8 @@ fn mpp_retry() {
        // Rebalance
        send_payment(&nodes[3], &vec!(&nodes[2])[..], 1_500_000);
 
-       let (mut route, payment_hash, payment_preimage, payment_secret) = get_route_and_payment_hash!(nodes[0], nodes[3], 1_000_000);
+       let amt_msat = 1_000_000;
+       let (mut route, payment_hash, payment_preimage, payment_secret) = get_route_and_payment_hash!(nodes[0], nodes[3], amt_msat);
        let path = route.paths[0].clone();
        route.paths.push(path);
        route.paths[0][0].pubkey = nodes[1].node.get_our_node_id();
@@ -148,7 +95,14 @@ fn mpp_retry() {
 
        // Initiate the MPP payment.
        let payment_id = PaymentId(payment_hash.0);
-       nodes[0].node.send_payment(&route, payment_hash, &Some(payment_secret), payment_id).unwrap();
+       let mut route_params = RouteParameters {
+               payment_params: route.payment_params.clone().unwrap(),
+               final_value_msat: amt_msat,
+               final_cltv_expiry_delta: TEST_FINAL_CLTV,
+       };
+
+       nodes[0].router.expect_find_route(route_params.clone(), Ok(route.clone()));
+       nodes[0].node.send_payment_with_retry(payment_hash, &Some(payment_secret), payment_id, route_params.clone(), Retry::Attempts(1)).unwrap();
        check_added_monitors!(nodes[0], 2); // one monitor per path
        let mut events = nodes[0].node.get_and_clear_pending_msg_events();
        assert_eq!(events.len(), 2);
@@ -184,25 +138,23 @@ fn mpp_retry() {
        check_added_monitors!(nodes[2], 1);
        nodes[0].node.handle_update_fail_htlc(&nodes[2].node.get_our_node_id(), &htlc_updates.update_fail_htlcs[0]);
        commitment_signed_dance!(nodes[0], nodes[2], htlc_updates.commitment_signed, false);
-       expect_payment_failed_conditions(&nodes[0], payment_hash, false, PaymentFailedConditions::new().mpp_parts_remain());
+       let mut events = nodes[0].node.get_and_clear_pending_events();
+       match events[1] {
+               Event::PendingHTLCsForwardable { .. } => {},
+               _ => panic!("Unexpected event")
+       }
+       events.remove(1);
+       expect_payment_failed_conditions_event(events, payment_hash, false, PaymentFailedConditions::new().mpp_parts_remain());
 
        // Rebalance the channel so the second half of the payment can succeed.
        send_payment(&nodes[3], &vec!(&nodes[2])[..], 1_500_000);
 
-       // Make sure it errors as expected given a too-large amount.
-       if let Err(PaymentSendFailure::ParameterError(APIError::APIMisuseError { err })) = nodes[0].node.retry_payment(&route, payment_id) {
-               assert!(err.contains("over total_payment_amt_msat"));
-       } else { panic!("Unexpected error"); }
-
-       // Make sure it errors as expected given the wrong payment_id.
-       if let Err(PaymentSendFailure::ParameterError(APIError::APIMisuseError { err })) = nodes[0].node.retry_payment(&route, PaymentId([0; 32])) {
-               assert!(err.contains("not found"));
-       } else { panic!("Unexpected error"); }
-
        // Retry the second half of the payment and make sure it succeeds.
-       let mut path = route.clone();
-       path.paths.remove(0);
-       nodes[0].node.retry_payment(&path, payment_id).unwrap();
+       route.paths.remove(0);
+       route_params.final_value_msat = 1_000_000;
+       route_params.payment_params.previously_failed_channels.push(chan_4_update.contents.short_channel_id);
+       nodes[0].router.expect_find_route(route_params, Ok(route));
+       nodes[0].node.process_pending_htlc_forwards();
        check_added_monitors!(nodes[0], 1);
        let mut events = nodes[0].node.get_and_clear_pending_msg_events();
        assert_eq!(events.len(), 1);
@@ -388,9 +340,15 @@ fn do_retry_with_no_persist(confirm_before_reload: bool) {
 
        // Send two payments - one which will get to nodes[2] and will be claimed, one which we'll time
        // out and retry.
-       let (route, payment_hash, payment_preimage, payment_secret) = get_route_and_payment_hash!(nodes[0], nodes[2], 1_000_000);
+       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);
-       nodes[0].node.send_payment(&route, payment_hash, &Some(payment_secret), PaymentId(payment_hash.0)).unwrap();
+       let route_params = RouteParameters {
+               payment_params: route.payment_params.clone().unwrap(),
+               final_value_msat: amt_msat,
+               final_cltv_expiry_delta: TEST_FINAL_CLTV,
+       };
+       nodes[0].node.send_payment_with_retry(payment_hash, &Some(payment_secret), PaymentId(payment_hash.0), route_params, Retry::Attempts(1)).unwrap();
        check_added_monitors!(nodes[0], 1);
 
        let mut events = nodes[0].node.get_and_clear_pending_msg_events();
@@ -499,7 +457,7 @@ fn do_retry_with_no_persist(confirm_before_reload: bool) {
                confirm_transaction(&nodes[0], &first_htlc_timeout_tx);
        }
        nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap().clear();
-       expect_payment_failed_conditions(&nodes[0], payment_hash, false, PaymentFailedConditions::new().mpp_parts_remain());
+       expect_payment_failed_conditions(&nodes[0], payment_hash, false, PaymentFailedConditions::new());
 
        // Finally, retry the payment (which was reloaded from the ChannelMonitor when nodes[0] was
        // reloaded) via a route over the new channel, which work without issue and eventually be
@@ -525,8 +483,8 @@ fn do_retry_with_no_persist(confirm_before_reload: bool) {
                nodes[1].node.timer_tick_occurred();
        }
 
-       assert!(nodes[0].node.retry_payment(&new_route, payment_id_1).is_err()); // Shouldn't be allowed to retry a fulfilled payment
-       nodes[0].node.retry_payment(&new_route, PaymentId(payment_hash.0)).unwrap();
+       assert!(nodes[0].node.send_payment(&new_route, payment_hash, &Some(payment_secret), payment_id_1).is_err()); // Shouldn't be allowed to retry a fulfilled payment
+       nodes[0].node.send_payment(&new_route, payment_hash, &Some(payment_secret), PaymentId(payment_hash.0)).unwrap();
        check_added_monitors!(nodes[0], 1);
        let mut events = nodes[0].node.get_and_clear_pending_msg_events();
        assert_eq!(events.len(), 1);
@@ -668,14 +626,14 @@ fn do_test_completed_payment_not_retryable_on_reload(use_dust: bool) {
        // (which should also still work).
        connect_blocks(&nodes[0], ANTI_REORG_DELAY - 1);
        connect_blocks(&nodes[1], ANTI_REORG_DELAY - 1);
-       // We set mpp_parts_remain to avoid having abandon_payment called
-       expect_payment_failed_conditions(&nodes[0], payment_hash, false, PaymentFailedConditions::new().mpp_parts_remain());
+       expect_payment_failed_conditions(&nodes[0], payment_hash, false, PaymentFailedConditions::new());
 
        let chan_0_monitor_serialized = get_monitor!(nodes[0], chan_id).encode();
        let chan_1_monitor_serialized = get_monitor!(nodes[0], chan_id_3).encode();
        nodes_0_serialized = nodes[0].node.encode();
 
-       assert!(nodes[0].node.retry_payment(&new_route, payment_id).is_ok());
+       // After the payment failed, we're free to send it again.
+       assert!(nodes[0].node.send_payment(&new_route, payment_hash, &Some(payment_secret), payment_id).is_ok());
        assert!(!nodes[0].node.get_and_clear_pending_msg_events().is_empty());
 
        reload_node!(nodes[0], test_default_channel_config(), nodes_0_serialized, &[&chan_0_monitor_serialized, &chan_1_monitor_serialized], second_persister, second_new_chain_monitor, second_nodes_0_deserialized);
@@ -685,19 +643,20 @@ fn do_test_completed_payment_not_retryable_on_reload(use_dust: bool) {
 
        // Now resend the payment, delivering the HTLC and actually claiming it this time. This ensures
        // the payment is not (spuriously) listed as still pending.
-       assert!(nodes[0].node.retry_payment(&new_route, payment_id).is_ok());
+       assert!(nodes[0].node.send_payment(&new_route, payment_hash, &Some(payment_secret), payment_id).is_ok());
        check_added_monitors!(nodes[0], 1);
        pass_along_route(&nodes[0], &[&[&nodes[1], &nodes[2]]], if use_dust { 1_000 } else { 1_000_000 }, payment_hash, payment_secret);
        claim_payment(&nodes[0], &[&nodes[1], &nodes[2]], payment_preimage);
 
-       assert!(nodes[0].node.retry_payment(&new_route, payment_id).is_err());
+       assert!(nodes[0].node.send_payment(&new_route, payment_hash, &Some(payment_secret), payment_id).is_err());
        assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty());
 
        let chan_0_monitor_serialized = get_monitor!(nodes[0], chan_id).encode();
        let chan_1_monitor_serialized = get_monitor!(nodes[0], chan_id_3).encode();
        nodes_0_serialized = nodes[0].node.encode();
 
-       // Ensure that after reload we cannot retry the payment.
+       // Check that after reload we can send the payment again (though we shouldn't, since it was
+       // claimed previously).
        reload_node!(nodes[0], test_default_channel_config(), nodes_0_serialized, &[&chan_0_monitor_serialized, &chan_1_monitor_serialized], third_persister, third_new_chain_monitor, third_nodes_0_deserialized);
        nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id(), false);
 
@@ -1233,20 +1192,17 @@ fn abandoned_send_payment_idempotent() {
        nodes[1].node.fail_htlc_backwards(&first_payment_hash);
        expect_pending_htlcs_forwardable_and_htlc_handling_failed!(nodes[1], [HTLCDestination::FailedPayment { payment_hash: first_payment_hash }]);
 
-       pass_failed_payment_back_no_abandon(&nodes[0], &[&[&nodes[1]]], false, first_payment_hash);
-       check_send_rejected!();
-
-       // Until we abandon the payment, no matter how many timer ticks pass, we still cannot reuse the
+       // Until we abandon the payment upon path failure, no matter how many timer ticks pass, we still cannot reuse the
        // PaymentId.
        for _ in 0..=IDEMPOTENCY_TIMEOUT_TICKS {
                nodes[0].node.timer_tick_occurred();
        }
        check_send_rejected!();
 
-       nodes[0].node.abandon_payment(payment_id);
-       get_event!(nodes[0], Event::PaymentFailed);
+       pass_failed_payment_back(&nodes[0], &[&[&nodes[1]]], false, first_payment_hash);
 
-       // However, we can reuse the PaymentId immediately after we `abandon_payment`.
+       // However, we can reuse the PaymentId immediately after we `abandon_payment` upon passing the
+       // failed payment back.
        nodes[0].node.send_payment(&route, second_payment_hash, &Some(second_payment_secret), payment_id).unwrap();
        check_added_monitors!(nodes[0], 1);
        pass_along_route(&nodes[0], &[&[&nodes[1]]], 100_000, second_payment_hash, second_payment_secret);
@@ -1682,12 +1638,12 @@ fn do_automatic_retries(test: AutoRetry) {
                        check_added_monitors!(&nodes[1], 1);
                        assert!(update_1.update_fail_htlcs.len() == 1);
                        let fail_msg = update_1.update_fail_htlcs[0].clone();
-
                        nodes[0].node.handle_update_fail_htlc(&nodes[1].node.get_our_node_id(), &fail_msg);
                        commitment_signed_dance!(nodes[0], nodes[1], update_1.commitment_signed, false);
 
                        // Ensure the attempt fails and a new PendingHTLCsForwardable event is generated for the retry
                        let mut events = nodes[0].node.get_and_clear_pending_events();
+                       assert_eq!(events.len(), 2);
                        match events[0] {
                                Event::PaymentPathFailed { payment_hash: ev_payment_hash, payment_failed_permanently, ..  } => {
                                        assert_eq!(payment_hash, ev_payment_hash);
@@ -1696,12 +1652,18 @@ fn do_automatic_retries(test: AutoRetry) {
                                _ => panic!("Unexpected event"),
                        }
                        if $expect_pending_htlcs_forwardable {
-                               assert_eq!(events.len(), 2);
                                match events[1] {
                                        Event::PendingHTLCsForwardable { .. } => {},
                                        _ => panic!("Unexpected event"),
                                }
-                       } else { assert_eq!(events.len(), 1) }
+                       } else {
+                               match events[1] {
+                                       Event::PaymentFailed { payment_hash: ev_payment_hash, .. } => {
+                                               assert_eq!(payment_hash, ev_payment_hash);
+                                       },
+                                       _ => panic!("Unexpected event"),
+                               }
+                       }
                }
        }
 
@@ -1753,17 +1715,6 @@ fn do_automatic_retries(test: AutoRetry) {
                nodes[0].node.process_pending_htlc_forwards();
                let mut msg_events = nodes[0].node.get_and_clear_pending_msg_events();
                assert_eq!(msg_events.len(), 0);
-
-               nodes[0].node.abandon_payment(PaymentId(payment_hash.0));
-               let events = nodes[0].node.get_and_clear_pending_events();
-               assert_eq!(events.len(), 1);
-               match events[0] {
-                       Event::PaymentFailed { payment_hash: ref ev_payment_hash, payment_id: ref ev_payment_id } => {
-                               assert_eq!(payment_hash, *ev_payment_hash);
-                               assert_eq!(PaymentId(payment_hash.0), *ev_payment_id);
-                       },
-                       _ => panic!("Unexpected event"),
-               }
        } else if test == AutoRetry::FailTimeout {
                #[cfg(not(feature = "no-std"))] {
                        // Ensure ChannelManager will not retry a payment if it times out due to Retry::Timeout.
@@ -2434,7 +2385,7 @@ fn no_extra_retries_on_back_to_back_fail() {
        // by adding the `PaymentFailed` event.
        //
        // Because we now retry payments as a batch, we simply return a single-path route in the
-       // second, batched, request, have that fail, then complete the payment via `abandon_payment`.
+       // second, batched, request, have that fail, ensure the payment was abandoned.
        let mut events = nodes[0].node.get_and_clear_pending_events();
        assert_eq!(events.len(), 4);
        match events[0] {
@@ -2471,7 +2422,7 @@ fn no_extra_retries_on_back_to_back_fail() {
        commitment_signed_dance!(nodes[0], nodes[1], &bs_fail_update.commitment_signed, false, true);
 
        let mut events = nodes[0].node.get_and_clear_pending_events();
-       assert_eq!(events.len(), 1);
+       assert_eq!(events.len(), 2);
        match events[0] {
                Event::PaymentPathFailed { payment_hash: ev_payment_hash, payment_failed_permanently, ..  } => {
                        assert_eq!(payment_hash, ev_payment_hash);
@@ -2479,10 +2430,7 @@ fn no_extra_retries_on_back_to_back_fail() {
                },
                _ => panic!("Unexpected event"),
        }
-       nodes[0].node.abandon_payment(PaymentId(payment_hash.0));
-       events = nodes[0].node.get_and_clear_pending_events();
-       assert_eq!(events.len(), 1);
-       match events[0] {
+       match events[1] {
                Event::PaymentFailed { payment_hash: ref ev_payment_hash, payment_id: ref ev_payment_id } => {
                        assert_eq!(payment_hash, *ev_payment_hash);
                        assert_eq!(PaymentId(payment_hash.0), *ev_payment_id);