Delay creating outbound ChannelMonitor until funding_signed rcpt
[rust-lightning] / lightning / src / ln / chanmon_update_fail_tests.rs
index 1437d91bffe0bcee10964486b95258890b690781..5d8c47377c704ebbef183669afff6dd467407340 100644 (file)
@@ -3,7 +3,8 @@
 //! There are a bunch of these as their handling is relatively error-prone so they are split out
 //! here. See also the chanmon_fail_consistency fuzz test.
 
-use ln::channelmanager::{RAACommitmentOrder, PaymentPreimage, PaymentHash};
+use chain::transaction::OutPoint;
+use ln::channelmanager::{RAACommitmentOrder, PaymentPreimage, PaymentHash, PaymentSendFailure};
 use ln::channelmonitor::ChannelMonitorUpdateErr;
 use ln::features::InitFeatures;
 use ln::msgs;
@@ -29,8 +30,8 @@ fn test_simple_monitor_permanent_update_fail() {
        let (_, payment_hash_1) = get_payment_preimage_hash!(&nodes[0]);
 
        *nodes[0].chan_monitor.update_ret.lock().unwrap() = Err(ChannelMonitorUpdateErr::PermanentFailure);
-       if let Err(APIError::ChannelUnavailable {..}) = nodes[0].node.send_payment(route, payment_hash_1) {} else { panic!(); }
-       check_added_monitors!(nodes[0], 1);
+       unwrap_send_err!(nodes[0].node.send_payment(&route, payment_hash_1, &None), true, APIError::ChannelUnavailable {..}, {});
+       check_added_monitors!(nodes[0], 2);
 
        let events_1 = nodes[0].node.get_and_clear_pending_msg_events();
        assert_eq!(events_1.len(), 2);
@@ -56,13 +57,14 @@ fn do_test_simple_monitor_temporary_update_fail(disconnect: bool) {
        let node_cfgs = create_node_cfgs(2, &chanmon_cfgs);
        let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
        let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
-       create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
+       let channel_id = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported()).2;
 
        let route = nodes[0].router.get_route(&nodes[1].node.get_our_node_id(), None, &Vec::new(), 1000000, TEST_FINAL_CLTV).unwrap();
        let (payment_preimage_1, payment_hash_1) = get_payment_preimage_hash!(&nodes[0]);
 
        *nodes[0].chan_monitor.update_ret.lock().unwrap() = Err(ChannelMonitorUpdateErr::TemporaryFailure);
-       if let Err(APIError::MonitorUpdateFailed) = nodes[0].node.send_payment(route.clone(), payment_hash_1) {} else { panic!(); }
+
+       unwrap_send_err!(nodes[0].node.send_payment(&route, payment_hash_1, &None), false, APIError::MonitorUpdateFailed, {});
        check_added_monitors!(nodes[0], 1);
 
        assert!(nodes[0].node.get_and_clear_pending_events().is_empty());
@@ -76,8 +78,9 @@ fn do_test_simple_monitor_temporary_update_fail(disconnect: bool) {
        }
 
        *nodes[0].chan_monitor.update_ret.lock().unwrap() = Ok(());
-       nodes[0].node.test_restore_channel_monitor();
-       check_added_monitors!(nodes[0], 1);
+       let (outpoint, latest_update) = nodes[0].chan_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
+       nodes[0].node.channel_monitor_updated(&outpoint, latest_update);
+       check_added_monitors!(nodes[0], 0);
 
        let mut events_2 = nodes[0].node.get_and_clear_pending_msg_events();
        assert_eq!(events_2.len(), 1);
@@ -91,8 +94,9 @@ fn do_test_simple_monitor_temporary_update_fail(disconnect: bool) {
        let events_3 = nodes[1].node.get_and_clear_pending_events();
        assert_eq!(events_3.len(), 1);
        match events_3[0] {
-               Event::PaymentReceived { ref payment_hash, amt } => {
+               Event::PaymentReceived { ref payment_hash, ref payment_secret, amt } => {
                        assert_eq!(payment_hash_1, *payment_hash);
+                       assert_eq!(*payment_secret, None);
                        assert_eq!(amt, 1000000);
                },
                _ => panic!("Unexpected event"),
@@ -103,7 +107,7 @@ fn do_test_simple_monitor_temporary_update_fail(disconnect: bool) {
        // Now set it to failed again...
        let (_, payment_hash_2) = get_payment_preimage_hash!(&nodes[0]);
        *nodes[0].chan_monitor.update_ret.lock().unwrap() = Err(ChannelMonitorUpdateErr::TemporaryFailure);
-       if let Err(APIError::MonitorUpdateFailed) = nodes[0].node.send_payment(route, payment_hash_2) {} else { panic!(); }
+       unwrap_send_err!(nodes[0].node.send_payment(&route, payment_hash_2, &None), false, APIError::MonitorUpdateFailed, {});
        check_added_monitors!(nodes[0], 1);
 
        assert!(nodes[0].node.get_and_clear_pending_events().is_empty());
@@ -116,9 +120,8 @@ fn do_test_simple_monitor_temporary_update_fail(disconnect: bool) {
                reconnect_nodes(&nodes[0], &nodes[1], (false, false), (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
        }
 
-       // ...and make sure we can force-close a TemporaryFailure channel with a PermanentFailure
-       *nodes[0].chan_monitor.update_ret.lock().unwrap() = Err(ChannelMonitorUpdateErr::PermanentFailure);
-       nodes[0].node.test_restore_channel_monitor();
+       // ...and make sure we can force-close a frozen channel
+       nodes[0].node.force_close_channel(&channel_id);
        check_added_monitors!(nodes[0], 1);
        check_closed_broadcast!(nodes[0], false);
 
@@ -158,7 +161,7 @@ fn do_test_monitor_temporary_update_fail(disconnect_count: usize) {
        let node_cfgs = create_node_cfgs(2, &chanmon_cfgs);
        let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
        let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
-       create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
+       let channel_id = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported()).2;
 
        let (payment_preimage_1, _) = route_payment(&nodes[0], &[&nodes[1]], 1000000);
 
@@ -167,7 +170,7 @@ fn do_test_monitor_temporary_update_fail(disconnect_count: usize) {
        let (payment_preimage_2, payment_hash_2) = get_payment_preimage_hash!(nodes[0]);
 
        *nodes[0].chan_monitor.update_ret.lock().unwrap() = Err(ChannelMonitorUpdateErr::TemporaryFailure);
-       if let Err(APIError::MonitorUpdateFailed) = nodes[0].node.send_payment(route.clone(), payment_hash_2) {} else { panic!(); }
+       unwrap_send_err!(nodes[0].node.send_payment(&route, payment_hash_2, &None), false, APIError::MonitorUpdateFailed, {});
        check_added_monitors!(nodes[0], 1);
 
        assert!(nodes[0].node.get_and_clear_pending_events().is_empty());
@@ -176,7 +179,7 @@ fn do_test_monitor_temporary_update_fail(disconnect_count: usize) {
 
        // Claim the previous payment, which will result in a update_fulfill_htlc/CS from nodes[1]
        // but nodes[0] won't respond since it is frozen.
-       assert!(nodes[1].node.claim_funds(payment_preimage_1, 1_000_000));
+       assert!(nodes[1].node.claim_funds(payment_preimage_1, &None, 1_000_000));
        check_added_monitors!(nodes[1], 1);
        let events_2 = nodes[1].node.get_and_clear_pending_msg_events();
        assert_eq!(events_2.len(), 1);
@@ -218,8 +221,9 @@ fn do_test_monitor_temporary_update_fail(disconnect_count: usize) {
 
        // Now fix monitor updating...
        *nodes[0].chan_monitor.update_ret.lock().unwrap() = Ok(());
-       nodes[0].node.test_restore_channel_monitor();
-       check_added_monitors!(nodes[0], 1);
+       let (outpoint, latest_update) = nodes[0].chan_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
+       nodes[0].node.channel_monitor_updated(&outpoint, latest_update);
+       check_added_monitors!(nodes[0], 0);
 
        macro_rules! disconnect_reconnect_peers { () => { {
                nodes[0].node.peer_disconnected(&nodes[1].node.get_our_node_id(), false);
@@ -444,8 +448,9 @@ fn do_test_monitor_temporary_update_fail(disconnect_count: usize) {
        let events_5 = nodes[1].node.get_and_clear_pending_events();
        assert_eq!(events_5.len(), 1);
        match events_5[0] {
-               Event::PaymentReceived { ref payment_hash, amt } => {
+               Event::PaymentReceived { ref payment_hash, ref payment_secret, amt } => {
                        assert_eq!(payment_hash_2, *payment_hash);
+                       assert_eq!(*payment_secret, None);
                        assert_eq!(amt, 1000000);
                },
                _ => panic!("Unexpected event"),
@@ -488,11 +493,11 @@ fn test_monitor_update_fail_cs() {
        let node_cfgs = create_node_cfgs(2, &chanmon_cfgs);
        let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
        let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
-       create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
+       let channel_id = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported()).2;
 
        let route = nodes[0].router.get_route(&nodes[1].node.get_our_node_id(), None, &Vec::new(), 1000000, TEST_FINAL_CLTV).unwrap();
        let (payment_preimage, our_payment_hash) = get_payment_preimage_hash!(nodes[0]);
-       nodes[0].node.send_payment(route, our_payment_hash).unwrap();
+       nodes[0].node.send_payment(&route, our_payment_hash, &None).unwrap();
        check_added_monitors!(nodes[0], 1);
 
        let send_event = SendEvent::from_event(nodes[0].node.get_and_clear_pending_msg_events().remove(0));
@@ -506,8 +511,9 @@ fn test_monitor_update_fail_cs() {
        assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
 
        *nodes[1].chan_monitor.update_ret.lock().unwrap() = Ok(());
-       nodes[1].node.test_restore_channel_monitor();
-       check_added_monitors!(nodes[1], 1);
+       let (outpoint, latest_update) = nodes[1].chan_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
+       nodes[1].node.channel_monitor_updated(&outpoint, latest_update);
+       check_added_monitors!(nodes[1], 0);
        let responses = nodes[1].node.get_and_clear_pending_msg_events();
        assert_eq!(responses.len(), 2);
 
@@ -539,8 +545,9 @@ fn test_monitor_update_fail_cs() {
        }
 
        *nodes[0].chan_monitor.update_ret.lock().unwrap() = Ok(());
-       nodes[0].node.test_restore_channel_monitor();
-       check_added_monitors!(nodes[0], 1);
+       let (outpoint, latest_update) = nodes[0].chan_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
+       nodes[0].node.channel_monitor_updated(&outpoint, latest_update);
+       check_added_monitors!(nodes[0], 0);
 
        let final_raa = get_event_msg!(nodes[0], MessageSendEvent::SendRevokeAndACK, nodes[1].node.get_our_node_id());
        nodes[1].node.handle_revoke_and_ack(&nodes[0].node.get_our_node_id(), &final_raa);
@@ -551,8 +558,9 @@ fn test_monitor_update_fail_cs() {
        let events = nodes[1].node.get_and_clear_pending_events();
        assert_eq!(events.len(), 1);
        match events[0] {
-               Event::PaymentReceived { payment_hash, amt } => {
+               Event::PaymentReceived { payment_hash, payment_secret, amt } => {
                        assert_eq!(payment_hash, our_payment_hash);
+                       assert_eq!(payment_secret, None);
                        assert_eq!(amt, 1000000);
                },
                _ => panic!("Unexpected event"),
@@ -564,17 +572,17 @@ fn test_monitor_update_fail_cs() {
 #[test]
 fn test_monitor_update_fail_no_rebroadcast() {
        // Tests handling of a monitor update failure when no message rebroadcasting on
-       // test_restore_channel_monitor() is required. Backported from
-       // chanmon_fail_consistency fuzz tests.
+       // channel_monitor_updated() is required. Backported from chanmon_fail_consistency
+       // fuzz tests.
        let chanmon_cfgs = create_chanmon_cfgs(2);
        let node_cfgs = create_node_cfgs(2, &chanmon_cfgs);
        let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
        let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
-       create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
+       let channel_id = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported()).2;
 
        let route = nodes[0].router.get_route(&nodes[1].node.get_our_node_id(), None, &Vec::new(), 1000000, TEST_FINAL_CLTV).unwrap();
        let (payment_preimage_1, our_payment_hash) = get_payment_preimage_hash!(nodes[0]);
-       nodes[0].node.send_payment(route, our_payment_hash).unwrap();
+       nodes[0].node.send_payment(&route, our_payment_hash, &None).unwrap();
        check_added_monitors!(nodes[0], 1);
 
        let send_event = SendEvent::from_event(nodes[0].node.get_and_clear_pending_msg_events().remove(0));
@@ -590,9 +598,10 @@ fn test_monitor_update_fail_no_rebroadcast() {
        check_added_monitors!(nodes[1], 1);
 
        *nodes[1].chan_monitor.update_ret.lock().unwrap() = Ok(());
-       nodes[1].node.test_restore_channel_monitor();
+       let (outpoint, latest_update) = nodes[1].chan_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
+       nodes[1].node.channel_monitor_updated(&outpoint, latest_update);
        assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
-       check_added_monitors!(nodes[1], 1);
+       check_added_monitors!(nodes[1], 0);
        expect_pending_htlcs_forwardable!(nodes[1]);
 
        let events = nodes[1].node.get_and_clear_pending_events();
@@ -615,19 +624,19 @@ fn test_monitor_update_raa_while_paused() {
        let node_cfgs = create_node_cfgs(2, &chanmon_cfgs);
        let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
        let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
-       create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
+       let channel_id = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported()).2;
 
        send_payment(&nodes[0], &[&nodes[1]], 5000000, 5_000_000);
 
        let route = nodes[0].router.get_route(&nodes[1].node.get_our_node_id(), None, &Vec::new(), 1000000, TEST_FINAL_CLTV).unwrap();
        let (payment_preimage_1, our_payment_hash_1) = get_payment_preimage_hash!(nodes[0]);
-       nodes[0].node.send_payment(route, our_payment_hash_1).unwrap();
+       nodes[0].node.send_payment(&route, our_payment_hash_1, &None).unwrap();
        check_added_monitors!(nodes[0], 1);
        let send_event_1 = SendEvent::from_event(nodes[0].node.get_and_clear_pending_msg_events().remove(0));
 
        let route = nodes[1].router.get_route(&nodes[0].node.get_our_node_id(), None, &Vec::new(), 1000000, TEST_FINAL_CLTV).unwrap();
        let (payment_preimage_2, our_payment_hash_2) = get_payment_preimage_hash!(nodes[0]);
-       nodes[1].node.send_payment(route, our_payment_hash_2).unwrap();
+       nodes[1].node.send_payment(&route, our_payment_hash_2, &None).unwrap();
        check_added_monitors!(nodes[1], 1);
        let send_event_2 = SendEvent::from_event(nodes[1].node.get_and_clear_pending_msg_events().remove(0));
 
@@ -649,8 +658,9 @@ fn test_monitor_update_raa_while_paused() {
        check_added_monitors!(nodes[0], 1);
 
        *nodes[0].chan_monitor.update_ret.lock().unwrap() = Ok(());
-       nodes[0].node.test_restore_channel_monitor();
-       check_added_monitors!(nodes[0], 1);
+       let (outpoint, latest_update) = nodes[0].chan_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
+       nodes[0].node.channel_monitor_updated(&outpoint, latest_update);
+       check_added_monitors!(nodes[0], 0);
 
        let as_update_raa = get_revoke_commit_msgs!(nodes[0], nodes[1].node.get_our_node_id());
        nodes[1].node.handle_revoke_and_ack(&nodes[0].node.get_our_node_id(), &as_update_raa.0);
@@ -695,7 +705,7 @@ fn do_test_monitor_update_fail_raa(test_ignore_second_cs: bool) {
        let (_, payment_hash_1) = route_payment(&nodes[0], &[&nodes[1], &nodes[2]], 1000000);
 
        // Fail the payment backwards, failing the monitor update on nodes[1]'s receipt of the RAA
-       assert!(nodes[2].node.fail_htlc_backwards(&payment_hash_1));
+       assert!(nodes[2].node.fail_htlc_backwards(&payment_hash_1, &None));
        expect_pending_htlcs_forwardable!(nodes[2]);
        check_added_monitors!(nodes[2], 1);
 
@@ -714,7 +724,7 @@ fn do_test_monitor_update_fail_raa(test_ignore_second_cs: bool) {
        // holding cell.
        let (payment_preimage_2, payment_hash_2) = get_payment_preimage_hash!(nodes[0]);
        let route = nodes[0].router.get_route(&nodes[2].node.get_our_node_id(), None, &Vec::new(), 1000000, TEST_FINAL_CLTV).unwrap();
-       nodes[0].node.send_payment(route, payment_hash_2).unwrap();
+       nodes[0].node.send_payment(&route, payment_hash_2, &None).unwrap();
        check_added_monitors!(nodes[0], 1);
 
        let mut send_event = SendEvent::from_event(nodes[0].node.get_and_clear_pending_msg_events().remove(0));
@@ -739,7 +749,7 @@ fn do_test_monitor_update_fail_raa(test_ignore_second_cs: bool) {
 
        let (_, payment_hash_3) = get_payment_preimage_hash!(nodes[0]);
        let route = nodes[0].router.get_route(&nodes[2].node.get_our_node_id(), None, &Vec::new(), 1000000, TEST_FINAL_CLTV).unwrap();
-       nodes[0].node.send_payment(route, payment_hash_3).unwrap();
+       nodes[0].node.send_payment(&route, payment_hash_3, &None).unwrap();
        check_added_monitors!(nodes[0], 1);
 
        *nodes[1].chan_monitor.update_ret.lock().unwrap() = Ok(()); // We succeed in updating the monitor for the first channel
@@ -786,7 +796,7 @@ fn do_test_monitor_update_fail_raa(test_ignore_second_cs: bool) {
                // Try to route another payment backwards from 2 to make sure 1 holds off on responding
                let (payment_preimage_4, payment_hash_4) = get_payment_preimage_hash!(nodes[0]);
                let route = nodes[2].router.get_route(&nodes[0].node.get_our_node_id(), None, &Vec::new(), 1000000, TEST_FINAL_CLTV).unwrap();
-               nodes[2].node.send_payment(route, payment_hash_4).unwrap();
+               nodes[2].node.send_payment(&route, payment_hash_4, &None).unwrap();
                check_added_monitors!(nodes[2], 1);
 
                send_event = SendEvent::from_event(nodes[2].node.get_and_clear_pending_msg_events().remove(0));
@@ -803,8 +813,9 @@ fn do_test_monitor_update_fail_raa(test_ignore_second_cs: bool) {
        // Restore monitor updating, ensuring we immediately get a fail-back update and a
        // update_add update.
        *nodes[1].chan_monitor.update_ret.lock().unwrap() = Ok(());
-       nodes[1].node.test_restore_channel_monitor();
-       check_added_monitors!(nodes[1], 1);
+       let (outpoint, latest_update) = nodes[1].chan_monitor.latest_monitor_update_id.lock().unwrap().get(&chan_2.2).unwrap().clone();
+       nodes[1].node.channel_monitor_updated(&outpoint, latest_update);
+       check_added_monitors!(nodes[1], 0);
        expect_pending_htlcs_forwardable!(nodes[1]);
        check_added_monitors!(nodes[1], 1);
 
@@ -942,7 +953,7 @@ fn test_monitor_update_fail_reestablish() {
        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);
-       create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
+       let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
        create_announced_chan_between_nodes(&nodes, 1, 2, InitFeatures::supported(), InitFeatures::supported());
 
        let (our_payment_preimage, _) = route_payment(&nodes[0], &[&nodes[1], &nodes[2]], 1000000);
@@ -950,7 +961,7 @@ fn test_monitor_update_fail_reestablish() {
        nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id(), false);
        nodes[0].node.peer_disconnected(&nodes[1].node.get_our_node_id(), false);
 
-       assert!(nodes[2].node.claim_funds(our_payment_preimage, 1_000_000));
+       assert!(nodes[2].node.claim_funds(our_payment_preimage, &None, 1_000_000));
        check_added_monitors!(nodes[2], 1);
        let mut updates = get_htlc_update_msgs!(nodes[2], nodes[1].node.get_our_node_id());
        assert!(updates.update_add_htlcs.is_empty());
@@ -993,8 +1004,9 @@ fn test_monitor_update_fail_reestablish() {
        assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
 
        *nodes[1].chan_monitor.update_ret.lock().unwrap() = Ok(());
-       nodes[1].node.test_restore_channel_monitor();
-       check_added_monitors!(nodes[1], 1);
+       let (outpoint, latest_update) = nodes[1].chan_monitor.latest_monitor_update_id.lock().unwrap().get(&chan_1.2).unwrap().clone();
+       nodes[1].node.channel_monitor_updated(&outpoint, latest_update);
+       check_added_monitors!(nodes[1], 0);
 
        updates = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
        assert!(updates.update_add_htlcs.is_empty());
@@ -1023,7 +1035,7 @@ fn raa_no_response_awaiting_raa_state() {
        let node_cfgs = create_node_cfgs(2, &chanmon_cfgs);
        let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
        let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
-       create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
+       let channel_id = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported()).2;
 
        let route = nodes[0].router.get_route(&nodes[1].node.get_our_node_id(), None, &Vec::new(), 1000000, TEST_FINAL_CLTV).unwrap();
        let (payment_preimage_1, payment_hash_1) = get_payment_preimage_hash!(nodes[0]);
@@ -1035,9 +1047,9 @@ fn raa_no_response_awaiting_raa_state() {
        // immediately after a CS. By setting failing the monitor update failure from the CS (which
        // requires only an RAA response due to AwaitingRAA) we can deliver the RAA and require the CS
        // generation during RAA while in monitor-update-failed state.
-       nodes[0].node.send_payment(route.clone(), payment_hash_1).unwrap();
+       nodes[0].node.send_payment(&route, payment_hash_1, &None).unwrap();
        check_added_monitors!(nodes[0], 1);
-       nodes[0].node.send_payment(route.clone(), payment_hash_2).unwrap();
+       nodes[0].node.send_payment(&route, payment_hash_2, &None).unwrap();
        check_added_monitors!(nodes[0], 0);
 
        let mut events = nodes[0].node.get_and_clear_pending_msg_events();
@@ -1074,9 +1086,10 @@ fn raa_no_response_awaiting_raa_state() {
        check_added_monitors!(nodes[1], 1);
 
        *nodes[1].chan_monitor.update_ret.lock().unwrap() = Ok(());
-       nodes[1].node.test_restore_channel_monitor();
+       let (outpoint, latest_update) = nodes[1].chan_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
+       nodes[1].node.channel_monitor_updated(&outpoint, latest_update);
        // nodes[1] should be AwaitingRAA here!
-       check_added_monitors!(nodes[1], 1);
+       check_added_monitors!(nodes[1], 0);
        let bs_responses = get_revoke_commit_msgs!(nodes[1], nodes[0].node.get_our_node_id());
        expect_pending_htlcs_forwardable!(nodes[1]);
        expect_payment_received!(nodes[1], payment_hash_1, 1000000);
@@ -1084,7 +1097,7 @@ fn raa_no_response_awaiting_raa_state() {
        // We send a third payment here, which is somewhat of a redundant test, but the
        // chanmon_fail_consistency test required it to actually find the bug (by seeing out-of-sync
        // commitment transaction states) whereas here we can explicitly check for it.
-       nodes[0].node.send_payment(route.clone(), payment_hash_3).unwrap();
+       nodes[0].node.send_payment(&route, payment_hash_3, &None).unwrap();
        check_added_monitors!(nodes[0], 0);
        assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty());
 
@@ -1139,7 +1152,7 @@ fn claim_while_disconnected_monitor_update_fail() {
        let node_cfgs = create_node_cfgs(2, &chanmon_cfgs);
        let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
        let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
-       create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
+       let channel_id = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported()).2;
 
        // Forward a payment for B to claim
        let (payment_preimage_1, _) = route_payment(&nodes[0], &[&nodes[1]], 1000000);
@@ -1147,7 +1160,7 @@ fn claim_while_disconnected_monitor_update_fail() {
        nodes[0].node.peer_disconnected(&nodes[1].node.get_our_node_id(), false);
        nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id(), false);
 
-       assert!(nodes[1].node.claim_funds(payment_preimage_1, 1_000_000));
+       assert!(nodes[1].node.claim_funds(payment_preimage_1, &None, 1_000_000));
        check_added_monitors!(nodes[1], 1);
 
        nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init { features: InitFeatures::empty() });
@@ -1173,7 +1186,7 @@ fn claim_while_disconnected_monitor_update_fail() {
        // the monitor still failed
        let route = nodes[0].router.get_route(&nodes[1].node.get_our_node_id(), None, &Vec::new(), 1000000, TEST_FINAL_CLTV).unwrap();
        let (payment_preimage_2, payment_hash_2) = get_payment_preimage_hash!(nodes[0]);
-       nodes[0].node.send_payment(route, payment_hash_2).unwrap();
+       nodes[0].node.send_payment(&route, payment_hash_2, &None).unwrap();
        check_added_monitors!(nodes[0], 1);
 
        let as_updates = get_htlc_update_msgs!(nodes[0], nodes[1].node.get_our_node_id());
@@ -1183,13 +1196,14 @@ fn claim_while_disconnected_monitor_update_fail() {
        assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
        nodes[1].logger.assert_log("lightning::ln::channelmanager".to_string(), "Previous monitor update failure prevented generation of RAA".to_string(), 1);
        // Note that nodes[1] not updating monitor here is OK - it wont take action on the new HTLC
-       // until we've test_restore_channel_monitor'd and updated for the new commitment transaction.
+       // until we've channel_monitor_update'd and updated for the new commitment transaction.
 
        // Now un-fail the monitor, which will result in B sending its original commitment update,
        // receiving the commitment update from A, and the resulting commitment dances.
        *nodes[1].chan_monitor.update_ret.lock().unwrap() = Ok(());
-       nodes[1].node.test_restore_channel_monitor();
-       check_added_monitors!(nodes[1], 1);
+       let (outpoint, latest_update) = nodes[1].chan_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
+       nodes[1].node.channel_monitor_updated(&outpoint, latest_update);
+       check_added_monitors!(nodes[1], 0);
 
        let bs_msgs = nodes[1].node.get_and_clear_pending_msg_events();
        assert_eq!(bs_msgs.len(), 2);
@@ -1258,13 +1272,13 @@ fn monitor_failed_no_reestablish_response() {
        let node_cfgs = create_node_cfgs(2, &chanmon_cfgs);
        let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
        let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
-       create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
+       let channel_id = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported()).2;
 
        // Route the payment and deliver the initial commitment_signed (with a monitor update failure
        // on receipt).
        let route = nodes[0].router.get_route(&nodes[1].node.get_our_node_id(), None, &Vec::new(), 1000000, TEST_FINAL_CLTV).unwrap();
        let (payment_preimage_1, payment_hash_1) = get_payment_preimage_hash!(nodes[0]);
-       nodes[0].node.send_payment(route, payment_hash_1).unwrap();
+       nodes[0].node.send_payment(&route, payment_hash_1, &None).unwrap();
        check_added_monitors!(nodes[0], 1);
 
        *nodes[1].chan_monitor.update_ret.lock().unwrap() = Err(ChannelMonitorUpdateErr::TemporaryFailure);
@@ -1292,8 +1306,9 @@ fn monitor_failed_no_reestablish_response() {
        nodes[0].node.handle_channel_reestablish(&nodes[1].node.get_our_node_id(), &bs_reconnect);
 
        *nodes[1].chan_monitor.update_ret.lock().unwrap() = Ok(());
-       nodes[1].node.test_restore_channel_monitor();
-       check_added_monitors!(nodes[1], 1);
+       let (outpoint, latest_update) = nodes[1].chan_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
+       nodes[1].node.channel_monitor_updated(&outpoint, latest_update);
+       check_added_monitors!(nodes[1], 0);
        let bs_responses = get_revoke_commit_msgs!(nodes[1], nodes[0].node.get_our_node_id());
 
        nodes[0].node.handle_revoke_and_ack(&nodes[1].node.get_our_node_id(), &bs_responses.0);
@@ -1327,13 +1342,13 @@ fn first_message_on_recv_ordering() {
        let node_cfgs = create_node_cfgs(2, &chanmon_cfgs);
        let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
        let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
-       create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
+       let channel_id = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported()).2;
 
        // Route the first payment outbound, holding the last RAA for B until we are set up so that we
        // can deliver it and fail the monitor update.
        let route = nodes[0].router.get_route(&nodes[1].node.get_our_node_id(), None, &Vec::new(), 1000000, TEST_FINAL_CLTV).unwrap();
        let (payment_preimage_1, payment_hash_1) = get_payment_preimage_hash!(nodes[0]);
-       nodes[0].node.send_payment(route, payment_hash_1).unwrap();
+       nodes[0].node.send_payment(&route, payment_hash_1, &None).unwrap();
        check_added_monitors!(nodes[0], 1);
 
        let mut events = nodes[0].node.get_and_clear_pending_msg_events();
@@ -1355,7 +1370,7 @@ fn first_message_on_recv_ordering() {
        // Route the second payment, generating an update_add_htlc/commitment_signed
        let route = nodes[0].router.get_route(&nodes[1].node.get_our_node_id(), None, &Vec::new(), 1000000, TEST_FINAL_CLTV).unwrap();
        let (payment_preimage_2, payment_hash_2) = get_payment_preimage_hash!(nodes[0]);
-       nodes[0].node.send_payment(route, payment_hash_2).unwrap();
+       nodes[0].node.send_payment(&route, payment_hash_2, &None).unwrap();
        check_added_monitors!(nodes[0], 1);
        let mut events = nodes[0].node.get_and_clear_pending_msg_events();
        assert_eq!(events.len(), 1);
@@ -1373,8 +1388,8 @@ fn first_message_on_recv_ordering() {
        check_added_monitors!(nodes[1], 1);
 
        // Now deliver the update_add_htlc/commitment_signed for the second payment, which does need an
-       // RAA/CS response, which should be generated when we call test_restore_channel_monitor (with
-       // the appropriate HTLC acceptance).
+       // RAA/CS response, which should be generated when we call channel_monitor_update (with the
+       // appropriate HTLC acceptance).
        nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &payment_event.msgs[0]);
        nodes[1].node.handle_commitment_signed(&nodes[0].node.get_our_node_id(), &payment_event.commitment_msg);
        check_added_monitors!(nodes[1], 1);
@@ -1382,8 +1397,9 @@ fn first_message_on_recv_ordering() {
        nodes[1].logger.assert_log("lightning::ln::channelmanager".to_string(), "Previous monitor update failure prevented generation of RAA".to_string(), 1);
 
        *nodes[1].chan_monitor.update_ret.lock().unwrap() = Ok(());
-       nodes[1].node.test_restore_channel_monitor();
-       check_added_monitors!(nodes[1], 1);
+       let (outpoint, latest_update) = nodes[1].chan_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
+       nodes[1].node.channel_monitor_updated(&outpoint, latest_update);
+       check_added_monitors!(nodes[1], 0);
 
        expect_pending_htlcs_forwardable!(nodes[1]);
        expect_payment_received!(nodes[1], payment_hash_1, 1000000);
@@ -1425,16 +1441,16 @@ fn test_monitor_update_fail_claim() {
        let (payment_preimage_1, _) = route_payment(&nodes[0], &[&nodes[1]], 1000000);
 
        *nodes[1].chan_monitor.update_ret.lock().unwrap() = Err(ChannelMonitorUpdateErr::TemporaryFailure);
-       assert!(nodes[1].node.claim_funds(payment_preimage_1, 1_000_000));
+       assert!(nodes[1].node.claim_funds(payment_preimage_1, &None, 1_000_000));
        check_added_monitors!(nodes[1], 1);
 
        let route = nodes[2].router.get_route(&nodes[0].node.get_our_node_id(), None, &Vec::new(), 1000000, TEST_FINAL_CLTV).unwrap();
        let (_, payment_hash_2) = get_payment_preimage_hash!(nodes[0]);
-       nodes[2].node.send_payment(route, payment_hash_2).unwrap();
+       nodes[2].node.send_payment(&route, payment_hash_2, &None).unwrap();
        check_added_monitors!(nodes[2], 1);
 
        // Successfully update the monitor on the 1<->2 channel, but the 0<->1 channel should still be
-       // paused, so forward shouldn't succeed until we call test_restore_channel_monitor().
+       // paused, so forward shouldn't succeed until we call channel_monitor_updated().
        *nodes[1].chan_monitor.update_ret.lock().unwrap() = Ok(());
 
        let mut events = nodes[2].node.get_and_clear_pending_msg_events();
@@ -1443,7 +1459,7 @@ fn test_monitor_update_fail_claim() {
        nodes[1].node.handle_update_add_htlc(&nodes[2].node.get_our_node_id(), &payment_event.msgs[0]);
        let events = nodes[1].node.get_and_clear_pending_msg_events();
        assert_eq!(events.len(), 0);
-       nodes[1].logger.assert_log("lightning::ln::channelmanager".to_string(), "Failed to update ChannelMonitor".to_string(), 1);
+       nodes[1].logger.assert_log("lightning::ln::channelmanager".to_string(), "Temporary failure claiming HTLC, treating as success: Failed to update ChannelMonitor".to_string(), 1);
        commitment_signed_dance!(nodes[1], nodes[2], payment_event.commitment_msg, false, true);
 
        let bs_fail_update = get_htlc_update_msgs!(nodes[1], nodes[2].node.get_our_node_id());
@@ -1468,8 +1484,9 @@ fn test_monitor_update_fail_claim() {
        } else { panic!("Unexpected event!"); }
 
        // Now restore monitor updating on the 0<->1 channel and claim the funds on B.
-       nodes[1].node.test_restore_channel_monitor();
-       check_added_monitors!(nodes[1], 1);
+       let (outpoint, latest_update) = nodes[1].chan_monitor.latest_monitor_update_id.lock().unwrap().get(&chan_1.2).unwrap().clone();
+       nodes[1].node.channel_monitor_updated(&outpoint, latest_update);
+       check_added_monitors!(nodes[1], 0);
 
        let bs_fulfill_update = 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(), &bs_fulfill_update.update_fulfill_htlcs[0]);
@@ -1492,14 +1509,14 @@ fn test_monitor_update_on_pending_forwards() {
        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);
-       create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
+       let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
        create_announced_chan_between_nodes(&nodes, 1, 2, InitFeatures::supported(), InitFeatures::supported());
 
        // Rebalance a bit so that we can send backwards from 3 to 1.
        send_payment(&nodes[0], &[&nodes[1], &nodes[2]], 5000000, 5_000_000);
 
        let (_, payment_hash_1) = route_payment(&nodes[0], &[&nodes[1], &nodes[2]], 1000000);
-       assert!(nodes[2].node.fail_htlc_backwards(&payment_hash_1));
+       assert!(nodes[2].node.fail_htlc_backwards(&payment_hash_1, &None));
        expect_pending_htlcs_forwardable!(nodes[2]);
        check_added_monitors!(nodes[2], 1);
 
@@ -1510,7 +1527,7 @@ fn test_monitor_update_on_pending_forwards() {
 
        let route = nodes[2].router.get_route(&nodes[0].node.get_our_node_id(), None, &Vec::new(), 1000000, TEST_FINAL_CLTV).unwrap();
        let (payment_preimage_2, payment_hash_2) = get_payment_preimage_hash!(nodes[0]);
-       nodes[2].node.send_payment(route, payment_hash_2).unwrap();
+       nodes[2].node.send_payment(&route, payment_hash_2, &None).unwrap();
        check_added_monitors!(nodes[2], 1);
 
        let mut events = nodes[2].node.get_and_clear_pending_msg_events();
@@ -1526,8 +1543,9 @@ fn test_monitor_update_on_pending_forwards() {
        nodes[1].logger.assert_log("lightning::ln::channelmanager".to_string(), "Failed to update ChannelMonitor".to_string(), 1);
 
        *nodes[1].chan_monitor.update_ret.lock().unwrap() = Ok(());
-       nodes[1].node.test_restore_channel_monitor();
-       check_added_monitors!(nodes[1], 1);
+       let (outpoint, latest_update) = nodes[1].chan_monitor.latest_monitor_update_id.lock().unwrap().get(&chan_1.2).unwrap().clone();
+       nodes[1].node.channel_monitor_updated(&outpoint, latest_update);
+       check_added_monitors!(nodes[1], 0);
 
        let bs_updates = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
        nodes[0].node.handle_update_fail_htlc(&nodes[1].node.get_our_node_id(), &bs_updates.update_fail_htlcs[0]);
@@ -1560,7 +1578,7 @@ fn monitor_update_claim_fail_no_response() {
        let node_cfgs = create_node_cfgs(2, &chanmon_cfgs);
        let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
        let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
-       create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
+       let channel_id = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported()).2;
 
        // Forward a payment for B to claim
        let (payment_preimage_1, _) = route_payment(&nodes[0], &[&nodes[1]], 1000000);
@@ -1568,7 +1586,7 @@ fn monitor_update_claim_fail_no_response() {
        // Now start forwarding a second payment, skipping the last RAA so B is in AwaitingRAA
        let route = nodes[0].router.get_route(&nodes[1].node.get_our_node_id(), None, &Vec::new(), 1000000, TEST_FINAL_CLTV).unwrap();
        let (payment_preimage_2, payment_hash_2) = get_payment_preimage_hash!(nodes[0]);
-       nodes[0].node.send_payment(route, payment_hash_2).unwrap();
+       nodes[0].node.send_payment(&route, payment_hash_2, &None).unwrap();
        check_added_monitors!(nodes[0], 1);
 
        let mut events = nodes[0].node.get_and_clear_pending_msg_events();
@@ -1578,15 +1596,16 @@ fn monitor_update_claim_fail_no_response() {
        let as_raa = commitment_signed_dance!(nodes[1], nodes[0], payment_event.commitment_msg, false, true, false, true);
 
        *nodes[1].chan_monitor.update_ret.lock().unwrap() = Err(ChannelMonitorUpdateErr::TemporaryFailure);
-       assert!(nodes[1].node.claim_funds(payment_preimage_1, 1_000_000));
+       assert!(nodes[1].node.claim_funds(payment_preimage_1, &None, 1_000_000));
        check_added_monitors!(nodes[1], 1);
        let events = nodes[1].node.get_and_clear_pending_msg_events();
        assert_eq!(events.len(), 0);
-       nodes[1].logger.assert_log("lightning::ln::channelmanager".to_string(), "Failed to update ChannelMonitor".to_string(), 1);
+       nodes[1].logger.assert_log("lightning::ln::channelmanager".to_string(), "Temporary failure claiming HTLC, treating as success: Failed to update ChannelMonitor".to_string(), 1);
 
        *nodes[1].chan_monitor.update_ret.lock().unwrap() = Ok(());
-       nodes[1].node.test_restore_channel_monitor();
-       check_added_monitors!(nodes[1], 1);
+       let (outpoint, latest_update) = nodes[1].chan_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
+       nodes[1].node.channel_monitor_updated(&outpoint, latest_update);
+       check_added_monitors!(nodes[1], 0);
        assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
 
        nodes[1].node.handle_revoke_and_ack(&nodes[0].node.get_our_node_id(), &as_raa);
@@ -1610,12 +1629,9 @@ fn monitor_update_claim_fail_no_response() {
        claim_payment(&nodes[0], &[&nodes[1]], payment_preimage_2, 1_000_000);
 }
 
-// Note that restore_between_fails with !fail_on_generate is useless
-// Also note that !fail_on_generate && !fail_on_signed is useless
-// Finally, note that !fail_on_signed is not possible with fail_on_generate && !restore_between_fails
 // confirm_a_first and restore_b_before_conf are wholly unrelated to earlier bools and
 // restore_b_before_conf has no meaning if !confirm_a_first
-fn do_during_funding_monitor_fail(fail_on_generate: bool, restore_between_fails: bool, fail_on_signed: bool, confirm_a_first: bool, restore_b_before_conf: bool) {
+fn do_during_funding_monitor_fail(confirm_a_first: bool, restore_b_before_conf: bool) {
        // Test that if the monitor update generated by funding_transaction_generated fails we continue
        // the channel setup happily after the update is restored.
        let chanmon_cfgs = create_chanmon_cfgs(2);
@@ -1623,53 +1639,31 @@ fn do_during_funding_monitor_fail(fail_on_generate: bool, restore_between_fails:
        let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
        let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
 
-       nodes[0].node.create_channel(nodes[1].node.get_our_node_id(), 100000, 10001, 43).unwrap();
+       nodes[0].node.create_channel(nodes[1].node.get_our_node_id(), 100000, 10001, 43, None).unwrap();
        nodes[1].node.handle_open_channel(&nodes[0].node.get_our_node_id(), InitFeatures::supported(), &get_event_msg!(nodes[0], MessageSendEvent::SendOpenChannel, nodes[1].node.get_our_node_id()));
        nodes[0].node.handle_accept_channel(&nodes[1].node.get_our_node_id(), InitFeatures::supported(), &get_event_msg!(nodes[1], MessageSendEvent::SendAcceptChannel, nodes[0].node.get_our_node_id()));
 
        let (temporary_channel_id, funding_tx, funding_output) = create_funding_transaction(&nodes[0], 100000, 43);
 
-       if fail_on_generate {
-               *nodes[0].chan_monitor.update_ret.lock().unwrap() = Err(ChannelMonitorUpdateErr::TemporaryFailure);
-       }
        nodes[0].node.funding_transaction_generated(&temporary_channel_id, funding_output);
-       check_added_monitors!(nodes[0], 1);
+       check_added_monitors!(nodes[0], 0);
 
        *nodes[1].chan_monitor.update_ret.lock().unwrap() = Err(ChannelMonitorUpdateErr::TemporaryFailure);
-       nodes[1].node.handle_funding_created(&nodes[0].node.get_our_node_id(), &get_event_msg!(nodes[0], MessageSendEvent::SendFundingCreated, nodes[1].node.get_our_node_id()));
+       let funding_created_msg = get_event_msg!(nodes[0], MessageSendEvent::SendFundingCreated, nodes[1].node.get_our_node_id());
+       let channel_id = OutPoint { txid: funding_created_msg.funding_txid, index: funding_created_msg.funding_output_index }.to_channel_id();
+       nodes[1].node.handle_funding_created(&nodes[0].node.get_our_node_id(), &funding_created_msg);
        check_added_monitors!(nodes[1], 1);
 
-       if restore_between_fails {
-               assert!(fail_on_generate);
-               *nodes[0].chan_monitor.update_ret.lock().unwrap() = Ok(());
-               nodes[0].node.test_restore_channel_monitor();
-               check_added_monitors!(nodes[0], 1);
-               assert!(nodes[0].node.get_and_clear_pending_events().is_empty());
-               assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty());
-       }
-
-       if fail_on_signed {
-               *nodes[0].chan_monitor.update_ret.lock().unwrap() = Err(ChannelMonitorUpdateErr::TemporaryFailure);
-       } else {
-               assert!(restore_between_fails || !fail_on_generate); // We can't switch to good now (there's no monitor update)
-               assert!(fail_on_generate); // Somebody has to fail
-       }
+       *nodes[0].chan_monitor.update_ret.lock().unwrap() = Err(ChannelMonitorUpdateErr::TemporaryFailure);
        nodes[0].node.handle_funding_signed(&nodes[1].node.get_our_node_id(), &get_event_msg!(nodes[1], MessageSendEvent::SendFundingSigned, nodes[0].node.get_our_node_id()));
-       if fail_on_signed || !restore_between_fails {
-               assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty());
-               if fail_on_generate && !restore_between_fails {
-                       nodes[0].logger.assert_log("lightning::ln::channelmanager".to_string(), "Previous monitor update failure prevented funding_signed from allowing funding broadcast".to_string(), 1);
-                       check_added_monitors!(nodes[0], 1);
-               } else {
-                       nodes[0].logger.assert_log("lightning::ln::channelmanager".to_string(), "Failed to update ChannelMonitor".to_string(), 1);
-                       check_added_monitors!(nodes[0], 1);
-               }
-               assert!(nodes[0].node.get_and_clear_pending_events().is_empty());
-               *nodes[0].chan_monitor.update_ret.lock().unwrap() = Ok(());
-               nodes[0].node.test_restore_channel_monitor();
-       }
-
+       assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty());
+       nodes[0].logger.assert_log("lightning::ln::channelmanager".to_string(), "Failed to update ChannelMonitor".to_string(), 1);
        check_added_monitors!(nodes[0], 1);
+       assert!(nodes[0].node.get_and_clear_pending_events().is_empty());
+       *nodes[0].chan_monitor.update_ret.lock().unwrap() = Ok(());
+       let (outpoint, latest_update) = nodes[0].chan_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
+       nodes[0].node.channel_monitor_updated(&outpoint, latest_update);
+       check_added_monitors!(nodes[0], 0);
 
        let events = nodes[0].node.get_and_clear_pending_events();
        assert_eq!(events.len(), 1);
@@ -1704,8 +1698,9 @@ fn do_during_funding_monitor_fail(fail_on_generate: bool, restore_between_fails:
        }
 
        *nodes[1].chan_monitor.update_ret.lock().unwrap() = Ok(());
-       nodes[1].node.test_restore_channel_monitor();
-       check_added_monitors!(nodes[1], 1);
+       let (outpoint, latest_update) = nodes[1].chan_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
+       nodes[1].node.channel_monitor_updated(&outpoint, latest_update);
+       check_added_monitors!(nodes[1], 0);
 
        let (channel_id, (announcement, as_update, bs_update)) = if !confirm_a_first {
                nodes[0].node.handle_funding_locked(&nodes[1].node.get_our_node_id(), &get_event_msg!(nodes[1], MessageSendEvent::SendFundingLocked, nodes[0].node.get_our_node_id()));
@@ -1732,8 +1727,7 @@ fn do_during_funding_monitor_fail(fail_on_generate: bool, restore_between_fails:
 
 #[test]
 fn during_funding_monitor_fail() {
-       do_during_funding_monitor_fail(false, false, true, true, true);
-       do_during_funding_monitor_fail(true, false, true, false, false);
-       do_during_funding_monitor_fail(true, true, true, true, false);
-       do_during_funding_monitor_fail(true, true, false, false, false);
+       do_during_funding_monitor_fail(true, true);
+       do_during_funding_monitor_fail(true, false);
+       do_during_funding_monitor_fail(false, false);
 }