Add `source_channel_id` in `PaymentForwarded` event
[rust-lightning] / lightning / src / ln / chanmon_update_fail_tests.rs
index 6901cc2f6394de9a5270895c713f659cd81afa8f..58fe30ba2618026311066f347da4a99f2d5f4c3f 100644 (file)
@@ -16,26 +16,21 @@ use bitcoin::blockdata::block::{Block, BlockHeader};
 use bitcoin::blockdata::constants::genesis_block;
 use bitcoin::hash_types::BlockHash;
 use bitcoin::network::constants::Network;
-use chain::channelmonitor::{ChannelMonitor, ChannelMonitorUpdateErr};
+use chain::channelmonitor::{ANTI_REORG_DELAY, ChannelMonitor};
 use chain::transaction::OutPoint;
-use chain::Listen;
-use chain::Watch;
-use ln::{PaymentPreimage, PaymentHash};
+use chain::{ChannelMonitorUpdateErr, Listen, Watch};
 use ln::channelmanager::{ChannelManager, ChannelManagerReadArgs, RAACommitmentOrder, PaymentSendFailure};
-use ln::features::{InitFeatures, InvoiceFeatures};
+use ln::channel::AnnouncementSigsState;
+use ln::features::InitFeatures;
 use ln::msgs;
-use ln::msgs::{ChannelMessageHandler, ErrorAction, RoutingMessageHandler};
-use routing::router::get_route;
+use ln::msgs::{ChannelMessageHandler, RoutingMessageHandler};
 use util::config::UserConfig;
 use util::enforcing_trait_impls::EnforcingSigner;
-use util::events::{Event, MessageSendEvent, MessageSendEventsProvider, PaymentPurpose};
+use util::events::{Event, MessageSendEvent, MessageSendEventsProvider, PaymentPurpose, ClosureReason};
 use util::errors::APIError;
 use util::ser::{ReadableArgs, Writeable};
 use util::test_utils::TestBroadcaster;
 
-use bitcoin::hashes::sha256::Hash as Sha256;
-use bitcoin::hashes::Hash;
-
 use ln::functional_test_utils::*;
 
 use util::test_utils;
@@ -44,25 +39,17 @@ use io;
 use prelude::*;
 use sync::{Arc, Mutex};
 
-// If persister_fail is true, we have the persister return a PermanentFailure
-// instead of the higher-level ChainMonitor.
-fn do_test_simple_monitor_permanent_update_fail(persister_fail: bool) {
+#[test]
+fn test_simple_monitor_permanent_update_fail() {
        // Test that we handle a simple permanent monitor update failure
-       let mut chanmon_cfgs = create_chanmon_cfgs(2);
+       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::known(), InitFeatures::known());
-       let logger = test_utils::TestLogger::new();
-
-       let (_, payment_hash_1, payment_secret_1) = get_payment_preimage_hash!(&nodes[1]);
 
-       match persister_fail {
-               true => chanmon_cfgs[0].persister.set_update_ret(Err(ChannelMonitorUpdateErr::PermanentFailure)),
-               false => *nodes[0].chain_monitor.update_ret.lock().unwrap() = Some(Err(ChannelMonitorUpdateErr::PermanentFailure))
-       }
-       let net_graph_msg_handler = &nodes[0].net_graph_msg_handler;
-       let route = get_route(&nodes[0].node.get_our_node_id(), &net_graph_msg_handler.network_graph, &nodes[1].node.get_our_node_id(), Some(InvoiceFeatures::known()), None, &Vec::new(), 1000000, TEST_FINAL_CLTV, &logger).unwrap();
+       let (route, payment_hash_1, _, payment_secret_1) = get_route_and_payment_hash!(&nodes[0], nodes[1], 1000000);
+       chanmon_cfgs[0].persister.set_update_ret(Err(ChannelMonitorUpdateErr::PermanentFailure));
        unwrap_send_err!(nodes[0].node.send_payment(&route, payment_hash_1, &Some(payment_secret_1)), true, APIError::ChannelUnavailable {..}, {});
        check_added_monitors!(nodes[0], 2);
 
@@ -78,9 +65,10 @@ fn do_test_simple_monitor_permanent_update_fail(persister_fail: bool) {
        };
 
        // TODO: Once we hit the chain with the failure transaction we should check that we get a
-       // PaymentFailed event
+       // PaymentPathFailed event
 
        assert_eq!(nodes[0].node.list_channels().len(), 0);
+       check_closed_event!(nodes[0], 1, ClosureReason::ProcessingError { err: "ChannelMonitor storage failure".to_string() });
 }
 
 #[test]
@@ -118,8 +106,7 @@ fn test_monitor_and_persister_update_fail() {
                blocks: Arc::new(Mutex::new(vec![(genesis_block(Network::Testnet).header, 200); 200])),
        };
        let chain_mon = {
-               let monitors = nodes[0].chain_monitor.chain_monitor.monitors.read().unwrap();
-               let monitor = monitors.get(&outpoint).unwrap();
+               let monitor = nodes[0].chain_monitor.chain_monitor.get_monitor(outpoint).unwrap();
                let mut w = test_utils::TestVecWriter(Vec::new());
                monitor.write(&mut w).unwrap();
                let new_monitor = <(BlockHash, ChannelMonitor<EnforcingSigner>)>::read(
@@ -147,7 +134,7 @@ fn test_monitor_and_persister_update_fail() {
                        // because the update is bogus, ultimately the error that's returned
                        // should be a PermanentFailure.
                        if let Err(ChannelMonitorUpdateErr::PermanentFailure) = chain_mon.chain_monitor.update_channel(outpoint, update.clone()) {} else { panic!("Expected monitor error to be permanent"); }
-                       logger.assert_log_contains("lightning::chain::chainmonitor".to_string(), "Failed to persist channel monitor update: TemporaryFailure".to_string(), 1);
+                       logger.assert_log_regex("lightning::chain::chainmonitor".to_string(), regex::Regex::new("Failed to persist ChannelMonitor update for channel [0-9a-f]*: TemporaryFailure").unwrap(), 1);
                        if let Ok(_) = nodes[0].chain_monitor.update_channel(outpoint, update) {} else { assert!(false); }
                } else { assert!(false); }
        } else { assert!(false); };
@@ -157,36 +144,20 @@ fn test_monitor_and_persister_update_fail() {
        assert_eq!(events.len(), 1);
 }
 
-#[test]
-fn test_simple_monitor_permanent_update_fail() {
-       do_test_simple_monitor_permanent_update_fail(false);
-
-       // Test behavior when the persister returns a PermanentFailure.
-       do_test_simple_monitor_permanent_update_fail(true);
-}
-
-// If persister_fail is true, we have the persister return a TemporaryFailure instead of the
-// higher-level ChainMonitor.
-fn do_test_simple_monitor_temporary_update_fail(disconnect: bool, persister_fail: bool) {
+fn do_test_simple_monitor_temporary_update_fail(disconnect: bool) {
        // Test that we can recover from a simple temporary monitor update failure optionally with
        // a disconnect in between
-       let mut chanmon_cfgs = create_chanmon_cfgs(2);
+       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);
        let channel_id = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known()).2;
-       let logger = test_utils::TestLogger::new();
 
-       let (payment_preimage_1, payment_hash_1, payment_secret_1) = get_payment_preimage_hash!(&nodes[1]);
+       let (route, payment_hash_1, payment_preimage_1, payment_secret_1) = get_route_and_payment_hash!(&nodes[0], nodes[1], 1000000);
 
-       match persister_fail {
-               true => chanmon_cfgs[0].persister.set_update_ret(Err(ChannelMonitorUpdateErr::TemporaryFailure)),
-               false => *nodes[0].chain_monitor.update_ret.lock().unwrap() = Some(Err(ChannelMonitorUpdateErr::TemporaryFailure))
-       }
+       chanmon_cfgs[0].persister.set_update_ret(Err(ChannelMonitorUpdateErr::TemporaryFailure));
 
        {
-               let net_graph_msg_handler = &nodes[0].net_graph_msg_handler;
-               let route = get_route(&nodes[0].node.get_our_node_id(), &net_graph_msg_handler.network_graph, &nodes[1].node.get_our_node_id(), Some(InvoiceFeatures::known()), None, &Vec::new(), 1000000, TEST_FINAL_CLTV, &logger).unwrap();
                unwrap_send_err!(nodes[0].node.send_payment(&route, payment_hash_1, &Some(payment_secret_1)), false, APIError::MonitorUpdateFailed, {});
                check_added_monitors!(nodes[0], 1);
        }
@@ -201,12 +172,9 @@ fn do_test_simple_monitor_temporary_update_fail(disconnect: bool, persister_fail
                reconnect_nodes(&nodes[0], &nodes[1], (true, true), (0, 0), (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
        }
 
-       match persister_fail {
-               true => chanmon_cfgs[0].persister.set_update_ret(Ok(())),
-               false => *nodes[0].chain_monitor.update_ret.lock().unwrap() = Some(Ok(()))
-       }
-       let (outpoint, latest_update) = nodes[0].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
-       nodes[0].node.channel_monitor_updated(&outpoint, latest_update);
+       chanmon_cfgs[0].persister.set_update_ret(Ok(()));
+       let (outpoint, latest_update, _) = nodes[0].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
+       nodes[0].chain_monitor.chain_monitor.force_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();
@@ -238,14 +206,9 @@ fn do_test_simple_monitor_temporary_update_fail(disconnect: bool, persister_fail
        claim_payment(&nodes[0], &[&nodes[1]], payment_preimage_1);
 
        // Now set it to failed again...
-       let (_, payment_hash_2, payment_secret_2) = get_payment_preimage_hash!(&nodes[1]);
+       let (route, payment_hash_2, _, payment_secret_2) = get_route_and_payment_hash!(&nodes[0], nodes[1], 1000000);
        {
-               match persister_fail {
-                       true => chanmon_cfgs[0].persister.set_update_ret(Err(ChannelMonitorUpdateErr::TemporaryFailure)),
-                       false => *nodes[0].chain_monitor.update_ret.lock().unwrap() = Some(Err(ChannelMonitorUpdateErr::TemporaryFailure))
-               }
-               let net_graph_msg_handler = &nodes[0].net_graph_msg_handler;
-               let route = get_route(&nodes[0].node.get_our_node_id(), &net_graph_msg_handler.network_graph, &nodes[1].node.get_our_node_id(), Some(InvoiceFeatures::known()), None, &Vec::new(), 1000000, TEST_FINAL_CLTV, &logger).unwrap();
+               chanmon_cfgs[0].persister.set_update_ret(Err(ChannelMonitorUpdateErr::TemporaryFailure));
                unwrap_send_err!(nodes[0].node.send_payment(&route, payment_hash_2, &Some(payment_secret_2)), false, APIError::MonitorUpdateFailed, {});
                check_added_monitors!(nodes[0], 1);
        }
@@ -266,19 +229,16 @@ fn do_test_simple_monitor_temporary_update_fail(disconnect: bool, persister_fail
        check_closed_broadcast!(nodes[0], true);
 
        // TODO: Once we hit the chain with the failure transaction we should check that we get a
-       // PaymentFailed event
+       // PaymentPathFailed event
 
        assert_eq!(nodes[0].node.list_channels().len(), 0);
+       check_closed_event!(nodes[0], 1, ClosureReason::HolderForceClosed);
 }
 
 #[test]
 fn test_simple_monitor_temporary_update_fail() {
-       do_test_simple_monitor_temporary_update_fail(false, false);
-       do_test_simple_monitor_temporary_update_fail(true, false);
-
-       // Test behavior when the persister returns a TemporaryFailure.
-       do_test_simple_monitor_temporary_update_fail(false, true);
-       do_test_simple_monitor_temporary_update_fail(true, true);
+       do_test_simple_monitor_temporary_update_fail(false);
+       do_test_simple_monitor_temporary_update_fail(true);
 }
 
 fn do_test_monitor_temporary_update_fail(disconnect_count: usize) {
@@ -306,16 +266,13 @@ fn do_test_monitor_temporary_update_fail(disconnect_count: usize) {
        let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
        let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
        let channel_id = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known()).2;
-       let logger = test_utils::TestLogger::new();
 
        let (payment_preimage_1, payment_hash_1, _) = route_payment(&nodes[0], &[&nodes[1]], 1000000);
 
        // Now try to send a second payment which will fail to send
-       let (payment_preimage_2, payment_hash_2, payment_secret_2) = get_payment_preimage_hash!(nodes[1]);
+       let (route, payment_hash_2, payment_preimage_2, payment_secret_2) = get_route_and_payment_hash!(nodes[0], nodes[1], 1000000);
        {
-               *nodes[0].chain_monitor.update_ret.lock().unwrap() = Some(Err(ChannelMonitorUpdateErr::TemporaryFailure));
-               let net_graph_msg_handler = &nodes[0].net_graph_msg_handler;
-               let route = get_route(&nodes[0].node.get_our_node_id(), &net_graph_msg_handler.network_graph, &nodes[1].node.get_our_node_id(), Some(InvoiceFeatures::known()), None, &Vec::new(), 1000000, TEST_FINAL_CLTV, &logger).unwrap();
+               chanmon_cfgs[0].persister.set_update_ret(Err(ChannelMonitorUpdateErr::TemporaryFailure));
                unwrap_send_err!(nodes[0].node.send_payment(&route, payment_hash_2, &Some(payment_secret_2)), false, APIError::MonitorUpdateFailed, {});
                check_added_monitors!(nodes[0], 1);
        }
@@ -344,7 +301,7 @@ fn do_test_monitor_temporary_update_fail(disconnect_count: usize) {
                                let events_3 = nodes[0].node.get_and_clear_pending_events();
                                assert_eq!(events_3.len(), 1);
                                match events_3[0] {
-                                       Event::PaymentSent { ref payment_preimage, ref payment_hash } => {
+                                       Event::PaymentSent { ref payment_preimage, ref payment_hash, .. } => {
                                                assert_eq!(*payment_preimage, payment_preimage_1);
                                                assert_eq!(*payment_hash, payment_hash_1);
                                        },
@@ -368,19 +325,19 @@ fn do_test_monitor_temporary_update_fail(disconnect_count: usize) {
        }
 
        // Now fix monitor updating...
-       *nodes[0].chain_monitor.update_ret.lock().unwrap() = Some(Ok(()));
-       let (outpoint, latest_update) = nodes[0].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
-       nodes[0].node.channel_monitor_updated(&outpoint, latest_update);
+       chanmon_cfgs[0].persister.set_update_ret(Ok(()));
+       let (outpoint, latest_update, _) = nodes[0].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
+       nodes[0].chain_monitor.chain_monitor.force_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);
                nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id(), false);
 
-               nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init { features: InitFeatures::empty() });
+               nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init { features: InitFeatures::empty(), remote_network_address: None });
                let reestablish_1 = get_chan_reestablish_msgs!(nodes[0], nodes[1]);
                assert_eq!(reestablish_1.len(), 1);
-               nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id(), &msgs::Init { features: InitFeatures::empty() });
+               nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id(), &msgs::Init { features: InitFeatures::empty(), remote_network_address: None });
                let reestablish_2 = get_chan_reestablish_msgs!(nodes[1], nodes[0]);
                assert_eq!(reestablish_2.len(), 1);
 
@@ -399,10 +356,10 @@ fn do_test_monitor_temporary_update_fail(disconnect_count: usize) {
                assert!(nodes[0].node.get_and_clear_pending_events().is_empty());
                assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty());
 
-               nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init { features: InitFeatures::empty() });
+               nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init { features: InitFeatures::empty(), remote_network_address: None });
                let reestablish_1 = get_chan_reestablish_msgs!(nodes[0], nodes[1]);
                assert_eq!(reestablish_1.len(), 1);
-               nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id(), &msgs::Init { features: InitFeatures::empty() });
+               nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id(), &msgs::Init { features: InitFeatures::empty(), remote_network_address: None });
                let reestablish_2 = get_chan_reestablish_msgs!(nodes[1], nodes[0]);
                assert_eq!(reestablish_2.len(), 1);
 
@@ -437,7 +394,7 @@ fn do_test_monitor_temporary_update_fail(disconnect_count: usize) {
                        let events_3 = nodes[0].node.get_and_clear_pending_events();
                        assert_eq!(events_3.len(), 1);
                        match events_3[0] {
-                               Event::PaymentSent { ref payment_preimage, ref payment_hash } => {
+                               Event::PaymentSent { ref payment_preimage, ref payment_hash, .. } => {
                                        assert_eq!(*payment_preimage, payment_preimage_1);
                                        assert_eq!(*payment_hash, payment_hash_1);
                                },
@@ -591,6 +548,7 @@ fn do_test_monitor_temporary_update_fail(disconnect_count: usize) {
        nodes[0].node.handle_revoke_and_ack(&nodes[1].node.get_our_node_id(), &bs_second_revoke_and_ack);
        assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty());
        check_added_monitors!(nodes[0], 1);
+       expect_payment_path_successful!(nodes[0]);
 
        expect_pending_htlcs_forwardable!(nodes[1]);
 
@@ -649,12 +607,9 @@ fn test_monitor_update_fail_cs() {
        let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
        let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
        let channel_id = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known()).2;
-       let logger = test_utils::TestLogger::new();
 
-       let (payment_preimage, our_payment_hash, our_payment_secret) = get_payment_preimage_hash!(nodes[1]);
+       let (route, our_payment_hash, payment_preimage, our_payment_secret) = get_route_and_payment_hash!(nodes[0], nodes[1], 1000000);
        {
-               let net_graph_msg_handler = &nodes[0].net_graph_msg_handler;
-               let route = get_route(&nodes[0].node.get_our_node_id(), &net_graph_msg_handler.network_graph, &nodes[1].node.get_our_node_id(), Some(InvoiceFeatures::known()), None, &Vec::new(), 1000000, TEST_FINAL_CLTV, &logger).unwrap();
                nodes[0].node.send_payment(&route, our_payment_hash, &Some(our_payment_secret)).unwrap();
                check_added_monitors!(nodes[0], 1);
        }
@@ -662,16 +617,16 @@ fn test_monitor_update_fail_cs() {
        let send_event = SendEvent::from_event(nodes[0].node.get_and_clear_pending_msg_events().remove(0));
        nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &send_event.msgs[0]);
 
-       *nodes[1].chain_monitor.update_ret.lock().unwrap() = Some(Err(ChannelMonitorUpdateErr::TemporaryFailure));
+       chanmon_cfgs[1].persister.set_update_ret(Err(ChannelMonitorUpdateErr::TemporaryFailure));
        nodes[1].node.handle_commitment_signed(&nodes[0].node.get_our_node_id(), &send_event.commitment_msg);
        assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
        nodes[1].logger.assert_log("lightning::ln::channelmanager".to_string(), "Failed to update ChannelMonitor".to_string(), 1);
        check_added_monitors!(nodes[1], 1);
        assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
 
-       *nodes[1].chain_monitor.update_ret.lock().unwrap() = Some(Ok(()));
-       let (outpoint, latest_update) = nodes[1].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
-       nodes[1].node.channel_monitor_updated(&outpoint, latest_update);
+       chanmon_cfgs[1].persister.set_update_ret(Ok(()));
+       let (outpoint, latest_update, _) = nodes[1].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
+       nodes[1].chain_monitor.chain_monitor.force_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);
@@ -693,7 +648,7 @@ fn test_monitor_update_fail_cs() {
                        assert!(updates.update_fee.is_none());
                        assert_eq!(*node_id, nodes[0].node.get_our_node_id());
 
-                       *nodes[0].chain_monitor.update_ret.lock().unwrap() = Some(Err(ChannelMonitorUpdateErr::TemporaryFailure));
+                       chanmon_cfgs[0].persister.set_update_ret(Err(ChannelMonitorUpdateErr::TemporaryFailure));
                        nodes[0].node.handle_commitment_signed(&nodes[1].node.get_our_node_id(), &updates.commitment_signed);
                        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);
@@ -703,9 +658,9 @@ fn test_monitor_update_fail_cs() {
                _ => panic!("Unexpected event"),
        }
 
-       *nodes[0].chain_monitor.update_ret.lock().unwrap() = Some(Ok(()));
-       let (outpoint, latest_update) = nodes[0].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
-       nodes[0].node.channel_monitor_updated(&outpoint, latest_update);
+       chanmon_cfgs[0].persister.set_update_ret(Ok(()));
+       let (outpoint, latest_update, _) = nodes[0].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
+       nodes[0].chain_monitor.chain_monitor.force_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());
@@ -744,12 +699,9 @@ fn test_monitor_update_fail_no_rebroadcast() {
        let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
        let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
        let channel_id = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known()).2;
-       let logger = test_utils::TestLogger::new();
 
-       let (payment_preimage_1, our_payment_hash, payment_secret_1) = get_payment_preimage_hash!(nodes[1]);
+       let (route, our_payment_hash, payment_preimage_1, payment_secret_1) = get_route_and_payment_hash!(nodes[0], nodes[1], 1000000);
        {
-               let net_graph_msg_handler = &nodes[0].net_graph_msg_handler;
-               let route = get_route(&nodes[0].node.get_our_node_id(), &net_graph_msg_handler.network_graph, &nodes[1].node.get_our_node_id(), Some(InvoiceFeatures::known()), None, &Vec::new(), 1000000, TEST_FINAL_CLTV, &logger).unwrap();
                nodes[0].node.send_payment(&route, our_payment_hash, &Some(payment_secret_1)).unwrap();
                check_added_monitors!(nodes[0], 1);
        }
@@ -758,7 +710,7 @@ fn test_monitor_update_fail_no_rebroadcast() {
        nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &send_event.msgs[0]);
        let bs_raa = commitment_signed_dance!(nodes[1], nodes[0], send_event.commitment_msg, false, true, false, true);
 
-       *nodes[1].chain_monitor.update_ret.lock().unwrap() = Some(Err(ChannelMonitorUpdateErr::TemporaryFailure));
+       chanmon_cfgs[1].persister.set_update_ret(Err(ChannelMonitorUpdateErr::TemporaryFailure));
        nodes[1].node.handle_revoke_and_ack(&nodes[0].node.get_our_node_id(), &bs_raa);
        assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
        nodes[1].logger.assert_log("lightning::ln::channelmanager".to_string(), "Failed to update ChannelMonitor".to_string(), 1);
@@ -766,9 +718,9 @@ fn test_monitor_update_fail_no_rebroadcast() {
        assert!(nodes[1].node.get_and_clear_pending_events().is_empty());
        check_added_monitors!(nodes[1], 1);
 
-       *nodes[1].chain_monitor.update_ret.lock().unwrap() = Some(Ok(()));
-       let (outpoint, latest_update) = nodes[1].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
-       nodes[1].node.channel_monitor_updated(&outpoint, latest_update);
+       chanmon_cfgs[1].persister.set_update_ret(Ok(()));
+       let (outpoint, latest_update, _) = nodes[1].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
+       nodes[1].chain_monitor.chain_monitor.force_channel_monitor_updated(outpoint, latest_update);
        assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
        check_added_monitors!(nodes[1], 0);
        expect_pending_htlcs_forwardable!(nodes[1]);
@@ -794,22 +746,17 @@ fn test_monitor_update_raa_while_paused() {
        let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
        let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
        let channel_id = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known()).2;
-       let logger = test_utils::TestLogger::new();
 
        send_payment(&nodes[0], &[&nodes[1]], 5000000);
-       let (payment_preimage_1, our_payment_hash_1, our_payment_secret_1) = get_payment_preimage_hash!(nodes[1]);
+       let (route, our_payment_hash_1, payment_preimage_1, our_payment_secret_1) = get_route_and_payment_hash!(nodes[0], nodes[1], 1000000);
        {
-               let net_graph_msg_handler = &nodes[0].net_graph_msg_handler;
-               let route = get_route(&nodes[0].node.get_our_node_id(), &net_graph_msg_handler.network_graph, &nodes[1].node.get_our_node_id(), Some(InvoiceFeatures::known()), None, &Vec::new(), 1000000, TEST_FINAL_CLTV, &logger).unwrap();
                nodes[0].node.send_payment(&route, our_payment_hash_1, &Some(our_payment_secret_1)).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 (payment_preimage_2, our_payment_hash_2, our_payment_secret_2) = get_payment_preimage_hash!(nodes[0]);
+       let (route, our_payment_hash_2, payment_preimage_2, our_payment_secret_2) = get_route_and_payment_hash!(nodes[1], nodes[0], 1000000);
        {
-               let net_graph_msg_handler = &nodes[1].net_graph_msg_handler;
-               let route = get_route(&nodes[1].node.get_our_node_id(), &net_graph_msg_handler.network_graph, &nodes[0].node.get_our_node_id(), Some(InvoiceFeatures::known()), None, &Vec::new(), 1000000, TEST_FINAL_CLTV, &logger).unwrap();
                nodes[1].node.send_payment(&route, our_payment_hash_2, &Some(our_payment_secret_2)).unwrap();
                check_added_monitors!(nodes[1], 1);
        }
@@ -820,7 +767,7 @@ fn test_monitor_update_raa_while_paused() {
        check_added_monitors!(nodes[1], 1);
        let bs_raa = get_event_msg!(nodes[1], MessageSendEvent::SendRevokeAndACK, nodes[0].node.get_our_node_id());
 
-       *nodes[0].chain_monitor.update_ret.lock().unwrap() = Some(Err(ChannelMonitorUpdateErr::TemporaryFailure));
+       chanmon_cfgs[0].persister.set_update_ret(Err(ChannelMonitorUpdateErr::TemporaryFailure));
        nodes[0].node.handle_update_add_htlc(&nodes[1].node.get_our_node_id(), &send_event_2.msgs[0]);
        nodes[0].node.handle_commitment_signed(&nodes[1].node.get_our_node_id(), &send_event_2.commitment_msg);
        assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty());
@@ -832,9 +779,9 @@ fn test_monitor_update_raa_while_paused() {
        nodes[0].logger.assert_log("lightning::ln::channelmanager".to_string(), "Previous monitor update failure prevented responses to RAA".to_string(), 1);
        check_added_monitors!(nodes[0], 1);
 
-       *nodes[0].chain_monitor.update_ret.lock().unwrap() = Some(Ok(()));
-       let (outpoint, latest_update) = nodes[0].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
-       nodes[0].node.channel_monitor_updated(&outpoint, latest_update);
+       chanmon_cfgs[0].persister.set_update_ret(Ok(()));
+       let (outpoint, latest_update, _) = nodes[0].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
+       nodes[0].chain_monitor.chain_monitor.force_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());
@@ -872,7 +819,6 @@ fn do_test_monitor_update_fail_raa(test_ignore_second_cs: bool) {
        let mut nodes = create_network(3, &node_cfgs, &node_chanmgrs);
        create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known());
        let chan_2 = create_announced_chan_between_nodes(&nodes, 1, 2, InitFeatures::known(), InitFeatures::known());
-       let logger = test_utils::TestLogger::new();
 
        // Rebalance a bit so that we can send backwards from 2 to 1.
        send_payment(&nodes[0], &[&nodes[1], &nodes[2]], 5000000);
@@ -898,10 +844,8 @@ fn do_test_monitor_update_fail_raa(test_ignore_second_cs: bool) {
 
        // While the second channel is AwaitingRAA, forward a second payment to get it into the
        // holding cell.
-       let (payment_preimage_2, payment_hash_2, payment_secret_2) = get_payment_preimage_hash!(nodes[2]);
+       let (route, payment_hash_2, payment_preimage_2, payment_secret_2) = get_route_and_payment_hash!(nodes[0], nodes[2], 1000000);
        {
-               let net_graph_msg_handler = &nodes[0].net_graph_msg_handler;
-               let route = get_route(&nodes[0].node.get_our_node_id(), &net_graph_msg_handler.network_graph, &nodes[2].node.get_our_node_id(), Some(InvoiceFeatures::known()), None, &Vec::new(), 1000000, TEST_FINAL_CLTV, &logger).unwrap();
                nodes[0].node.send_payment(&route, payment_hash_2, &Some(payment_secret_2)).unwrap();
                check_added_monitors!(nodes[0], 1);
        }
@@ -915,7 +859,7 @@ fn do_test_monitor_update_fail_raa(test_ignore_second_cs: bool) {
        assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
 
        // Now fail monitor updating.
-       *nodes[1].chain_monitor.update_ret.lock().unwrap() = Some(Err(ChannelMonitorUpdateErr::TemporaryFailure));
+       chanmon_cfgs[1].persister.set_update_ret(Err(ChannelMonitorUpdateErr::TemporaryFailure));
        nodes[1].node.handle_revoke_and_ack(&nodes[2].node.get_our_node_id(), &bs_revoke_and_ack);
        assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
        nodes[1].logger.assert_log("lightning::ln::channelmanager".to_string(), "Failed to update ChannelMonitor".to_string(), 1);
@@ -925,15 +869,13 @@ fn do_test_monitor_update_fail_raa(test_ignore_second_cs: bool) {
 
        // Forward a third payment which will also be added to the holding cell, despite the channel
        // being paused waiting a monitor update.
-       let (_, payment_hash_3, payment_secret_3) = get_payment_preimage_hash!(nodes[2]);
+       let (route, payment_hash_3, _, payment_secret_3) = get_route_and_payment_hash!(nodes[0], nodes[2], 1000000);
        {
-               let net_graph_msg_handler = &nodes[0].net_graph_msg_handler;
-               let route = get_route(&nodes[0].node.get_our_node_id(), &net_graph_msg_handler.network_graph, &nodes[2].node.get_our_node_id(), Some(InvoiceFeatures::known()), None, &Vec::new(), 1000000, TEST_FINAL_CLTV, &logger).unwrap();
                nodes[0].node.send_payment(&route, payment_hash_3, &Some(payment_secret_3)).unwrap();
                check_added_monitors!(nodes[0], 1);
        }
 
-       *nodes[1].chain_monitor.update_ret.lock().unwrap() = Some(Ok(())); // We succeed in updating the monitor for the first channel
+       chanmon_cfgs[1].persister.set_update_ret(Ok(())); // We succeed in updating the monitor for the first channel
        send_event = SendEvent::from_event(nodes[0].node.get_and_clear_pending_msg_events().remove(0));
        nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &send_event.msgs[0]);
        commitment_signed_dance!(nodes[1], nodes[0], send_event.commitment_msg, false, true);
@@ -947,9 +889,7 @@ fn do_test_monitor_update_fail_raa(test_ignore_second_cs: bool) {
 
        let (payment_preimage_4, payment_hash_4) = if test_ignore_second_cs {
                // Try to route another payment backwards from 2 to make sure 1 holds off on responding
-               let (payment_preimage_4, payment_hash_4, payment_secret_4) = get_payment_preimage_hash!(nodes[0]);
-               let net_graph_msg_handler = &nodes[2].net_graph_msg_handler;
-               let route = get_route(&nodes[2].node.get_our_node_id(), &net_graph_msg_handler.network_graph, &nodes[0].node.get_our_node_id(), Some(InvoiceFeatures::known()), None, &Vec::new(), 1000000, TEST_FINAL_CLTV, &logger).unwrap();
+               let (route, payment_hash_4, payment_preimage_4, payment_secret_4) = get_route_and_payment_hash!(nodes[2], nodes[0], 1000000);
                nodes[2].node.send_payment(&route, payment_hash_4, &Some(payment_secret_4)).unwrap();
                check_added_monitors!(nodes[2], 1);
 
@@ -965,9 +905,9 @@ 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].chain_monitor.update_ret.lock().unwrap() = Some(Ok(()));
-       let (outpoint, latest_update) = nodes[1].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&chan_2.2).unwrap().clone();
-       nodes[1].node.channel_monitor_updated(&outpoint, latest_update);
+       chanmon_cfgs[1].persister.set_update_ret(Ok(()));
+       let (outpoint, latest_update, _) = nodes[1].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&chan_2.2).unwrap().clone();
+       nodes[1].chain_monitor.chain_monitor.force_channel_monitor_updated(outpoint, latest_update);
        check_added_monitors!(nodes[1], 0);
        expect_pending_htlcs_forwardable!(nodes[1]);
        check_added_monitors!(nodes[1], 1);
@@ -1148,12 +1088,12 @@ fn test_monitor_update_fail_reestablish() {
        let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known());
        create_announced_chan_between_nodes(&nodes, 1, 2, InitFeatures::known(), InitFeatures::known());
 
-       let (our_payment_preimage, _, _) = route_payment(&nodes[0], &[&nodes[1], &nodes[2]], 1000000);
+       let (payment_preimage, _, _) = route_payment(&nodes[0], &[&nodes[1], &nodes[2]], 1000000);
 
        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));
+       assert!(nodes[2].node.claim_funds(payment_preimage));
        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());
@@ -1162,14 +1102,14 @@ fn test_monitor_update_fail_reestablish() {
        assert!(updates.update_fee.is_none());
        assert_eq!(updates.update_fulfill_htlcs.len(), 1);
        nodes[1].node.handle_update_fulfill_htlc(&nodes[2].node.get_our_node_id(), &updates.update_fulfill_htlcs[0]);
-       expect_payment_forwarded!(nodes[1], Some(1000), false);
+       expect_payment_forwarded!(nodes[1], nodes[0], Some(1000), false);
        check_added_monitors!(nodes[1], 1);
        assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
        commitment_signed_dance!(nodes[1], nodes[2], updates.commitment_signed, false);
 
-       *nodes[1].chain_monitor.update_ret.lock().unwrap() = Some(Err(ChannelMonitorUpdateErr::TemporaryFailure));
-       nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init { features: InitFeatures::empty() });
-       nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id(), &msgs::Init { features: InitFeatures::empty() });
+       chanmon_cfgs[1].persister.set_update_ret(Err(ChannelMonitorUpdateErr::TemporaryFailure));
+       nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init { features: InitFeatures::empty(), remote_network_address: None });
+       nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id(), &msgs::Init { features: InitFeatures::empty(), remote_network_address: None });
 
        let as_reestablish = get_event_msg!(nodes[0], MessageSendEvent::SendChannelReestablish, nodes[1].node.get_our_node_id());
        let bs_reestablish = get_event_msg!(nodes[1], MessageSendEvent::SendChannelReestablish, nodes[0].node.get_our_node_id());
@@ -1187,8 +1127,8 @@ 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);
 
-       nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init { features: InitFeatures::empty() });
-       nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id(), &msgs::Init { features: InitFeatures::empty() });
+       nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init { features: InitFeatures::empty(), remote_network_address: None });
+       nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id(), &msgs::Init { features: InitFeatures::empty(), remote_network_address: None });
 
        assert!(as_reestablish == get_event_msg!(nodes[0], MessageSendEvent::SendChannelReestablish, nodes[1].node.get_our_node_id()));
        assert!(bs_reestablish == get_event_msg!(nodes[1], MessageSendEvent::SendChannelReestablish, nodes[0].node.get_our_node_id()));
@@ -1204,9 +1144,9 @@ fn test_monitor_update_fail_reestablish() {
                get_event_msg!(nodes[1], MessageSendEvent::SendChannelUpdate, nodes[0].node.get_our_node_id())
                        .contents.flags & 2, 0); // The "disabled" bit should be unset as we just reconnected
 
-       *nodes[1].chain_monitor.update_ret.lock().unwrap() = Some(Ok(()));
-       let (outpoint, latest_update) = nodes[1].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&chan_1.2).unwrap().clone();
-       nodes[1].node.channel_monitor_updated(&outpoint, latest_update);
+       chanmon_cfgs[1].persister.set_update_ret(Ok(()));
+       let (outpoint, latest_update, _) = nodes[1].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&chan_1.2).unwrap().clone();
+       nodes[1].chain_monitor.chain_monitor.force_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());
@@ -1217,13 +1157,7 @@ fn test_monitor_update_fail_reestablish() {
        assert_eq!(updates.update_fulfill_htlcs.len(), 1);
        nodes[0].node.handle_update_fulfill_htlc(&nodes[1].node.get_our_node_id(), &updates.update_fulfill_htlcs[0]);
        commitment_signed_dance!(nodes[0], nodes[1], updates.commitment_signed, false);
-
-       let events = nodes[0].node.get_and_clear_pending_events();
-       assert_eq!(events.len(), 1);
-       match events[0] {
-               Event::PaymentSent { payment_preimage, .. } => assert_eq!(payment_preimage, our_payment_preimage),
-               _ => panic!("Unexpected event"),
-       }
+       expect_payment_sent!(nodes[0], payment_preimage);
 }
 
 #[test]
@@ -1237,9 +1171,8 @@ fn raa_no_response_awaiting_raa_state() {
        let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
        let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
        let channel_id = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known()).2;
-       let logger = test_utils::TestLogger::new();
 
-       let (payment_preimage_1, payment_hash_1, payment_secret_1) = get_payment_preimage_hash!(nodes[1]);
+       let (route, payment_hash_1, payment_preimage_1, payment_secret_1) = get_route_and_payment_hash!(nodes[0], nodes[1], 1000000);
        let (payment_preimage_2, payment_hash_2, payment_secret_2) = get_payment_preimage_hash!(nodes[1]);
        let (payment_preimage_3, payment_hash_3, payment_secret_3) = get_payment_preimage_hash!(nodes[1]);
 
@@ -1249,8 +1182,6 @@ fn raa_no_response_awaiting_raa_state() {
        // 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.
        {
-               let net_graph_msg_handler = &nodes[0].net_graph_msg_handler;
-               let route = get_route(&nodes[0].node.get_our_node_id(), &net_graph_msg_handler.network_graph, &nodes[1].node.get_our_node_id(), Some(InvoiceFeatures::known()), None, &Vec::new(), 1000000, TEST_FINAL_CLTV, &logger).unwrap();
                nodes[0].node.send_payment(&route, payment_hash_1, &Some(payment_secret_1)).unwrap();
                check_added_monitors!(nodes[0], 1);
                nodes[0].node.send_payment(&route, payment_hash_2, &Some(payment_secret_2)).unwrap();
@@ -1278,7 +1209,7 @@ fn raa_no_response_awaiting_raa_state() {
        // Now we have a CS queued up which adds a new HTLC (which will need a RAA/CS response from
        // nodes[1]) followed by an RAA. Fail the monitor updating prior to the CS, deliver the RAA,
        // then restore channel monitor updates.
-       *nodes[1].chain_monitor.update_ret.lock().unwrap() = Some(Err(ChannelMonitorUpdateErr::TemporaryFailure));
+       chanmon_cfgs[1].persister.set_update_ret(Err(ChannelMonitorUpdateErr::TemporaryFailure));
        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);
        assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
@@ -1290,9 +1221,9 @@ fn raa_no_response_awaiting_raa_state() {
        nodes[1].logger.assert_log("lightning::ln::channelmanager".to_string(), "Previous monitor update failure prevented responses to RAA".to_string(), 1);
        check_added_monitors!(nodes[1], 1);
 
-       *nodes[1].chain_monitor.update_ret.lock().unwrap() = Some(Ok(()));
-       let (outpoint, latest_update) = nodes[1].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
-       nodes[1].node.channel_monitor_updated(&outpoint, latest_update);
+       chanmon_cfgs[1].persister.set_update_ret(Ok(()));
+       let (outpoint, latest_update, _) = nodes[1].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
+       nodes[1].chain_monitor.chain_monitor.force_channel_monitor_updated(outpoint, latest_update);
        // nodes[1] should be AwaitingRAA here!
        check_added_monitors!(nodes[1], 0);
        let bs_responses = get_revoke_commit_msgs!(nodes[1], nodes[0].node.get_our_node_id());
@@ -1303,8 +1234,6 @@ fn raa_no_response_awaiting_raa_state() {
        // 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.
        {
-               let net_graph_msg_handler = &nodes[0].net_graph_msg_handler;
-               let route = get_route(&nodes[0].node.get_our_node_id(), &net_graph_msg_handler.network_graph, &nodes[1].node.get_our_node_id(), Some(InvoiceFeatures::known()), None, &Vec::new(), 1000000, TEST_FINAL_CLTV, &logger).unwrap();
                nodes[0].node.send_payment(&route, payment_hash_3, &Some(payment_secret_3)).unwrap();
                check_added_monitors!(nodes[0], 0);
                assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty());
@@ -1361,10 +1290,9 @@ fn claim_while_disconnected_monitor_update_fail() {
        let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
        let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
        let channel_id = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known()).2;
-       let logger = test_utils::TestLogger::new();
 
        // Forward a payment for B to claim
-       let (payment_preimage_1, payment_hash_1, _) = route_payment(&nodes[0], &[&nodes[1]], 1000000);
+       let (payment_preimage_1, _, _) = route_payment(&nodes[0], &[&nodes[1]], 1000000);
 
        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);
@@ -1372,8 +1300,8 @@ fn claim_while_disconnected_monitor_update_fail() {
        assert!(nodes[1].node.claim_funds(payment_preimage_1));
        check_added_monitors!(nodes[1], 1);
 
-       nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init { features: InitFeatures::empty() });
-       nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id(), &msgs::Init { features: InitFeatures::empty() });
+       nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init { features: InitFeatures::empty(), remote_network_address: None });
+       nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id(), &msgs::Init { features: InitFeatures::empty(), remote_network_address: None });
 
        let as_reconnect = get_event_msg!(nodes[0], MessageSendEvent::SendChannelReestablish, nodes[1].node.get_our_node_id());
        let bs_reconnect = get_event_msg!(nodes[1], MessageSendEvent::SendChannelReestablish, nodes[0].node.get_our_node_id());
@@ -1383,7 +1311,7 @@ fn claim_while_disconnected_monitor_update_fail() {
 
        // Now deliver a's reestablish, freeing the claim from the holding cell, but fail the monitor
        // update.
-       *nodes[1].chain_monitor.update_ret.lock().unwrap() = Some(Err(ChannelMonitorUpdateErr::TemporaryFailure));
+       chanmon_cfgs[1].persister.set_update_ret(Err(ChannelMonitorUpdateErr::TemporaryFailure));
 
        nodes[1].node.handle_channel_reestablish(&nodes[0].node.get_our_node_id(), &as_reconnect);
        let _bs_channel_update = get_event_msg!(nodes[1], MessageSendEvent::SendChannelUpdate, nodes[0].node.get_our_node_id());
@@ -1393,10 +1321,8 @@ fn claim_while_disconnected_monitor_update_fail() {
 
        // Send a second payment from A to B, resulting in a commitment update that gets swallowed with
        // the monitor still failed
-       let (payment_preimage_2, payment_hash_2, payment_secret_2) = get_payment_preimage_hash!(nodes[1]);
+       let (route, payment_hash_2, payment_preimage_2, payment_secret_2) = get_route_and_payment_hash!(nodes[0], nodes[1], 1000000);
        {
-               let net_graph_msg_handler = &nodes[0].net_graph_msg_handler;
-               let route = get_route(&nodes[0].node.get_our_node_id(), &net_graph_msg_handler.network_graph, &nodes[1].node.get_our_node_id(), Some(InvoiceFeatures::known()), None, &Vec::new(), 1000000, TEST_FINAL_CLTV, &logger).unwrap();
                nodes[0].node.send_payment(&route, payment_hash_2, &Some(payment_secret_2)).unwrap();
                check_added_monitors!(nodes[0], 1);
        }
@@ -1412,9 +1338,9 @@ fn claim_while_disconnected_monitor_update_fail() {
 
        // 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].chain_monitor.update_ret.lock().unwrap() = Some(Ok(()));
-       let (outpoint, latest_update) = nodes[1].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
-       nodes[1].node.channel_monitor_updated(&outpoint, latest_update);
+       chanmon_cfgs[1].persister.set_update_ret(Ok(()));
+       let (outpoint, latest_update, _) = nodes[1].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
+       nodes[1].chain_monitor.chain_monitor.force_channel_monitor_updated(outpoint, latest_update);
        check_added_monitors!(nodes[1], 0);
 
        let bs_msgs = nodes[1].node.get_and_clear_pending_msg_events();
@@ -1461,16 +1387,7 @@ fn claim_while_disconnected_monitor_update_fail() {
 
        nodes[0].node.handle_revoke_and_ack(&nodes[1].node.get_our_node_id(), &bs_raa);
        check_added_monitors!(nodes[0], 1);
-
-       let events = nodes[0].node.get_and_clear_pending_events();
-       assert_eq!(events.len(), 1);
-       match events[0] {
-               Event::PaymentSent { ref payment_preimage, ref payment_hash } => {
-                       assert_eq!(*payment_preimage, payment_preimage_1);
-                       assert_eq!(*payment_hash, payment_hash_1);
-               },
-               _ => panic!("Unexpected event"),
-       }
+       expect_payment_sent!(nodes[0], payment_preimage_1);
 
        claim_payment(&nodes[0], &[&nodes[1]], payment_preimage_2);
 }
@@ -1486,19 +1403,21 @@ fn monitor_failed_no_reestablish_response() {
        let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
        let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
        let channel_id = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known()).2;
-       let logger = test_utils::TestLogger::new();
+       {
+               let mut lock;
+               get_channel_ref!(nodes[0], lock, channel_id).announcement_sigs_state = AnnouncementSigsState::PeerReceived;
+               get_channel_ref!(nodes[1], lock, channel_id).announcement_sigs_state = AnnouncementSigsState::PeerReceived;
+       }
 
        // Route the payment and deliver the initial commitment_signed (with a monitor update failure
        // on receipt).
-       let (payment_preimage_1, payment_hash_1, payment_secret_1) = get_payment_preimage_hash!(nodes[1]);
+       let (route, payment_hash_1, payment_preimage_1, payment_secret_1) = get_route_and_payment_hash!(nodes[0], nodes[1], 1000000);
        {
-               let net_graph_msg_handler = &nodes[0].net_graph_msg_handler;
-               let route = get_route(&nodes[0].node.get_our_node_id(), &net_graph_msg_handler.network_graph, &nodes[1].node.get_our_node_id(), Some(InvoiceFeatures::known()), None, &Vec::new(), 1000000, TEST_FINAL_CLTV, &logger).unwrap();
                nodes[0].node.send_payment(&route, payment_hash_1, &Some(payment_secret_1)).unwrap();
                check_added_monitors!(nodes[0], 1);
        }
 
-       *nodes[1].chain_monitor.update_ret.lock().unwrap() = Some(Err(ChannelMonitorUpdateErr::TemporaryFailure));
+       chanmon_cfgs[1].persister.set_update_ret(Err(ChannelMonitorUpdateErr::TemporaryFailure));
        let mut events = nodes[0].node.get_and_clear_pending_msg_events();
        assert_eq!(events.len(), 1);
        let payment_event = SendEvent::from_event(events.pop().unwrap());
@@ -1513,8 +1432,8 @@ fn monitor_failed_no_reestablish_response() {
        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);
 
-       nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init { features: InitFeatures::empty() });
-       nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id(), &msgs::Init { features: InitFeatures::empty() });
+       nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init { features: InitFeatures::empty(), remote_network_address: None });
+       nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id(), &msgs::Init { features: InitFeatures::empty(), remote_network_address: None });
 
        let as_reconnect = get_event_msg!(nodes[0], MessageSendEvent::SendChannelReestablish, nodes[1].node.get_our_node_id());
        let bs_reconnect = get_event_msg!(nodes[1], MessageSendEvent::SendChannelReestablish, nodes[0].node.get_our_node_id());
@@ -1524,9 +1443,9 @@ fn monitor_failed_no_reestablish_response() {
        nodes[0].node.handle_channel_reestablish(&nodes[1].node.get_our_node_id(), &bs_reconnect);
        let _as_channel_update = get_event_msg!(nodes[0], MessageSendEvent::SendChannelUpdate, nodes[1].node.get_our_node_id());
 
-       *nodes[1].chain_monitor.update_ret.lock().unwrap() = Some(Ok(()));
-       let (outpoint, latest_update) = nodes[1].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
-       nodes[1].node.channel_monitor_updated(&outpoint, latest_update);
+       chanmon_cfgs[1].persister.set_update_ret(Ok(()));
+       let (outpoint, latest_update, _) = nodes[1].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
+       nodes[1].chain_monitor.chain_monitor.force_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());
 
@@ -1562,14 +1481,11 @@ fn first_message_on_recv_ordering() {
        let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
        let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
        let channel_id = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known()).2;
-       let logger = test_utils::TestLogger::new();
 
        // 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 (payment_preimage_1, payment_hash_1, payment_secret_1) = get_payment_preimage_hash!(nodes[1]);
+       let (route, payment_hash_1, payment_preimage_1, payment_secret_1) = get_route_and_payment_hash!(nodes[0], nodes[1], 1000000);
        {
-               let net_graph_msg_handler = &nodes[0].net_graph_msg_handler;
-               let route = get_route(&nodes[0].node.get_our_node_id(), &net_graph_msg_handler.network_graph, &nodes[1].node.get_our_node_id(), Some(InvoiceFeatures::known()), None, &Vec::new(), 1000000, TEST_FINAL_CLTV, &logger).unwrap();
                nodes[0].node.send_payment(&route, payment_hash_1, &Some(payment_secret_1)).unwrap();
                check_added_monitors!(nodes[0], 1);
        }
@@ -1591,10 +1507,8 @@ fn first_message_on_recv_ordering() {
        let as_raa = get_event_msg!(nodes[0], MessageSendEvent::SendRevokeAndACK, nodes[1].node.get_our_node_id());
 
        // Route the second payment, generating an update_add_htlc/commitment_signed
-       let (payment_preimage_2, payment_hash_2, payment_secret_2) = get_payment_preimage_hash!(nodes[1]);
+       let (route, payment_hash_2, payment_preimage_2, payment_secret_2) = get_route_and_payment_hash!(nodes[0], nodes[1], 1000000);
        {
-               let net_graph_msg_handler = &nodes[0].net_graph_msg_handler;
-               let route = get_route(&nodes[0].node.get_our_node_id(), &net_graph_msg_handler.network_graph, &nodes[1].node.get_our_node_id(), Some(InvoiceFeatures::known()), None, &Vec::new(), 1000000, TEST_FINAL_CLTV, &logger).unwrap();
                nodes[0].node.send_payment(&route, payment_hash_2, &Some(payment_secret_2)).unwrap();
                check_added_monitors!(nodes[0], 1);
        }
@@ -1603,7 +1517,7 @@ fn first_message_on_recv_ordering() {
        let payment_event = SendEvent::from_event(events.pop().unwrap());
        assert_eq!(payment_event.node_id, nodes[1].node.get_our_node_id());
 
-       *nodes[1].chain_monitor.update_ret.lock().unwrap() = Some(Err(ChannelMonitorUpdateErr::TemporaryFailure));
+       chanmon_cfgs[1].persister.set_update_ret(Err(ChannelMonitorUpdateErr::TemporaryFailure));
 
        // Deliver the final RAA for the first payment, which does not require a response. RAAs
        // generally require a commitment_signed, so the fact that we're expecting an opposite response
@@ -1622,9 +1536,9 @@ fn first_message_on_recv_ordering() {
        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);
 
-       *nodes[1].chain_monitor.update_ret.lock().unwrap() = Some(Ok(()));
-       let (outpoint, latest_update) = nodes[1].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
-       nodes[1].node.channel_monitor_updated(&outpoint, latest_update);
+       chanmon_cfgs[1].persister.set_update_ret(Ok(()));
+       let (outpoint, latest_update, _) = nodes[1].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
+       nodes[1].chain_monitor.chain_monitor.force_channel_monitor_updated(outpoint, latest_update);
        check_added_monitors!(nodes[1], 0);
 
        expect_pending_htlcs_forwardable!(nodes[1]);
@@ -1660,14 +1574,13 @@ fn test_monitor_update_fail_claim() {
        let mut nodes = create_network(3, &node_cfgs, &node_chanmgrs);
        let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known());
        create_announced_chan_between_nodes(&nodes, 1, 2, InitFeatures::known(), InitFeatures::known());
-       let logger = test_utils::TestLogger::new();
 
        // Rebalance a bit so that we can send backwards from 3 to 2.
        send_payment(&nodes[0], &[&nodes[1], &nodes[2]], 5000000);
 
        let (payment_preimage_1, _, _) = route_payment(&nodes[0], &[&nodes[1]], 1000000);
 
-       *nodes[1].chain_monitor.update_ret.lock().unwrap() = Some(Err(ChannelMonitorUpdateErr::TemporaryFailure));
+       chanmon_cfgs[1].persister.set_update_ret(Err(ChannelMonitorUpdateErr::TemporaryFailure));
        assert!(nodes[1].node.claim_funds(payment_preimage_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);
        check_added_monitors!(nodes[1], 1);
@@ -1677,18 +1590,15 @@ fn test_monitor_update_fail_claim() {
        // already-signed commitment transaction and will instead wait for it to resolve before
        // forwarding the payment onwards.
 
-       let (_, payment_hash_2, payment_secret_2) = get_payment_preimage_hash!(nodes[0]);
-       let route;
+       let (route, payment_hash_2, _, payment_secret_2) = get_route_and_payment_hash!(nodes[2], nodes[0], 1_000_000);
        {
-               let net_graph_msg_handler = &nodes[2].net_graph_msg_handler;
-               route = get_route(&nodes[2].node.get_our_node_id(), &net_graph_msg_handler.network_graph, &nodes[0].node.get_our_node_id(), Some(InvoiceFeatures::known()), None, &Vec::new(), 1_000_000, TEST_FINAL_CLTV, &logger).unwrap();
                nodes[2].node.send_payment(&route, payment_hash_2, &Some(payment_secret_2)).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 channel_monitor_updated().
-       *nodes[1].chain_monitor.update_ret.lock().unwrap() = Some(Ok(()));
+       chanmon_cfgs[1].persister.set_update_ret(Ok(()));
 
        let mut events = nodes[2].node.get_and_clear_pending_msg_events();
        assert_eq!(events.len(), 1);
@@ -1711,8 +1621,8 @@ fn test_monitor_update_fail_claim() {
        commitment_signed_dance!(nodes[1], nodes[2], payment_event.commitment_msg, false, true);
 
        // Now restore monitor updating on the 0<->1 channel and claim the funds on B.
-       let (outpoint, latest_update) = nodes[1].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&chan_1.2).unwrap().clone();
-       nodes[1].node.channel_monitor_updated(&outpoint, latest_update);
+       let (outpoint, latest_update, _) = nodes[1].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&chan_1.2).unwrap().clone();
+       nodes[1].chain_monitor.chain_monitor.force_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());
@@ -1773,7 +1683,6 @@ fn test_monitor_update_on_pending_forwards() {
        let mut nodes = create_network(3, &node_cfgs, &node_chanmgrs);
        let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known());
        create_announced_chan_between_nodes(&nodes, 1, 2, InitFeatures::known(), InitFeatures::known());
-       let logger = test_utils::TestLogger::new();
 
        // Rebalance a bit so that we can send backwards from 3 to 1.
        send_payment(&nodes[0], &[&nodes[1], &nodes[2]], 5000000);
@@ -1788,10 +1697,8 @@ fn test_monitor_update_on_pending_forwards() {
        commitment_signed_dance!(nodes[1], nodes[2], cs_fail_update.commitment_signed, true, true);
        assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
 
-       let (payment_preimage_2, payment_hash_2, payment_secret_2) = get_payment_preimage_hash!(nodes[0]);
+       let (route, payment_hash_2, payment_preimage_2, payment_secret_2) = get_route_and_payment_hash!(nodes[2], nodes[0], 1000000);
        {
-               let net_graph_msg_handler = &nodes[2].net_graph_msg_handler;
-               let route = get_route(&nodes[2].node.get_our_node_id(), &net_graph_msg_handler.network_graph, &nodes[0].node.get_our_node_id(), Some(InvoiceFeatures::known()), None, &Vec::new(), 1000000, TEST_FINAL_CLTV, &logger).unwrap();
                nodes[2].node.send_payment(&route, payment_hash_2, &Some(payment_secret_2)).unwrap();
                check_added_monitors!(nodes[2], 1);
        }
@@ -1802,15 +1709,15 @@ fn test_monitor_update_on_pending_forwards() {
        nodes[1].node.handle_update_add_htlc(&nodes[2].node.get_our_node_id(), &payment_event.msgs[0]);
        commitment_signed_dance!(nodes[1], nodes[2], payment_event.commitment_msg, false);
 
-       *nodes[1].chain_monitor.update_ret.lock().unwrap() = Some(Err(ChannelMonitorUpdateErr::TemporaryFailure));
+       chanmon_cfgs[1].persister.set_update_ret(Err(ChannelMonitorUpdateErr::TemporaryFailure));
        expect_pending_htlcs_forwardable!(nodes[1]);
        check_added_monitors!(nodes[1], 1);
        assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
        nodes[1].logger.assert_log("lightning::ln::channelmanager".to_string(), "Failed to update ChannelMonitor".to_string(), 1);
 
-       *nodes[1].chain_monitor.update_ret.lock().unwrap() = Some(Ok(()));
-       let (outpoint, latest_update) = nodes[1].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&chan_1.2).unwrap().clone();
-       nodes[1].node.channel_monitor_updated(&outpoint, latest_update);
+       chanmon_cfgs[1].persister.set_update_ret(Ok(()));
+       let (outpoint, latest_update, _) = nodes[1].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&chan_1.2).unwrap().clone();
+       nodes[1].chain_monitor.chain_monitor.force_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());
@@ -1820,7 +1727,7 @@ fn test_monitor_update_on_pending_forwards() {
 
        let events = nodes[0].node.get_and_clear_pending_events();
        assert_eq!(events.len(), 2);
-       if let Event::PaymentFailed { payment_hash, rejected_by_dest, .. } = events[0] {
+       if let Event::PaymentPathFailed { payment_hash, rejected_by_dest, .. } = events[0] {
                assert_eq!(payment_hash, payment_hash_1);
                assert!(rejected_by_dest);
        } else { panic!("Unexpected event!"); }
@@ -1845,16 +1752,13 @@ fn monitor_update_claim_fail_no_response() {
        let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
        let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
        let channel_id = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known()).2;
-       let logger = test_utils::TestLogger::new();
 
        // Forward a payment for B to claim
-       let (payment_preimage_1, payment_hash_1, _) = route_payment(&nodes[0], &[&nodes[1]], 1000000);
+       let (payment_preimage_1, _, _) = route_payment(&nodes[0], &[&nodes[1]], 1000000);
 
        // Now start forwarding a second payment, skipping the last RAA so B is in AwaitingRAA
-       let (payment_preimage_2, payment_hash_2, payment_secret_2) = get_payment_preimage_hash!(nodes[1]);
+       let (route, payment_hash_2, payment_preimage_2, payment_secret_2) = get_route_and_payment_hash!(nodes[0], nodes[1], 1000000);
        {
-               let net_graph_msg_handler = &nodes[0].net_graph_msg_handler;
-               let route = get_route(&nodes[0].node.get_our_node_id(), &net_graph_msg_handler.network_graph, &nodes[1].node.get_our_node_id(), Some(InvoiceFeatures::known()), None, &Vec::new(), 1000000, TEST_FINAL_CLTV, &logger).unwrap();
                nodes[0].node.send_payment(&route, payment_hash_2, &Some(payment_secret_2)).unwrap();
                check_added_monitors!(nodes[0], 1);
        }
@@ -1865,16 +1769,16 @@ fn monitor_update_claim_fail_no_response() {
        nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &payment_event.msgs[0]);
        let as_raa = commitment_signed_dance!(nodes[1], nodes[0], payment_event.commitment_msg, false, true, false, true);
 
-       *nodes[1].chain_monitor.update_ret.lock().unwrap() = Some(Err(ChannelMonitorUpdateErr::TemporaryFailure));
+       chanmon_cfgs[1].persister.set_update_ret(Err(ChannelMonitorUpdateErr::TemporaryFailure));
        assert!(nodes[1].node.claim_funds(payment_preimage_1));
        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(), "Temporary failure claiming HTLC, treating as success: Failed to update ChannelMonitor".to_string(), 1);
 
-       *nodes[1].chain_monitor.update_ret.lock().unwrap() = Some(Ok(()));
-       let (outpoint, latest_update) = nodes[1].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
-       nodes[1].node.channel_monitor_updated(&outpoint, latest_update);
+       chanmon_cfgs[1].persister.set_update_ret(Ok(()));
+       let (outpoint, latest_update, _) = nodes[1].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
+       nodes[1].chain_monitor.chain_monitor.force_channel_monitor_updated(outpoint, latest_update);
        check_added_monitors!(nodes[1], 0);
        assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
 
@@ -1886,23 +1790,14 @@ fn monitor_update_claim_fail_no_response() {
        let bs_updates = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
        nodes[0].node.handle_update_fulfill_htlc(&nodes[1].node.get_our_node_id(), &bs_updates.update_fulfill_htlcs[0]);
        commitment_signed_dance!(nodes[0], nodes[1], bs_updates.commitment_signed, false);
-
-       let events = nodes[0].node.get_and_clear_pending_events();
-       assert_eq!(events.len(), 1);
-       match events[0] {
-               Event::PaymentSent { ref payment_preimage, ref payment_hash } => {
-                       assert_eq!(*payment_preimage, payment_preimage_1);
-                       assert_eq!(*payment_hash, payment_hash_1);
-               },
-               _ => panic!("Unexpected event"),
-       }
+       expect_payment_sent!(nodes[0], payment_preimage_1);
 
        claim_payment(&nodes[0], &[&nodes[1]], payment_preimage_2);
 }
 
-// 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(confirm_a_first: bool, restore_b_before_conf: bool) {
+// restore_b_before_lock has no meaning if confirm_a_first
+fn do_during_funding_monitor_fail(confirm_a_first: bool, restore_b_before_conf: bool, restore_b_before_lock: 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);
@@ -1919,21 +1814,21 @@ fn do_during_funding_monitor_fail(confirm_a_first: bool, restore_b_before_conf:
        nodes[0].node.funding_transaction_generated(&temporary_channel_id, funding_tx.clone()).unwrap();
        check_added_monitors!(nodes[0], 0);
 
-       *nodes[1].chain_monitor.update_ret.lock().unwrap() = Some(Err(ChannelMonitorUpdateErr::TemporaryFailure));
+       chanmon_cfgs[1].persister.set_update_ret(Err(ChannelMonitorUpdateErr::TemporaryFailure));
        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);
 
-       *nodes[0].chain_monitor.update_ret.lock().unwrap() = Some(Err(ChannelMonitorUpdateErr::TemporaryFailure));
+       chanmon_cfgs[0].persister.set_update_ret(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()));
        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].chain_monitor.update_ret.lock().unwrap() = Some(Ok(()));
-       let (outpoint, latest_update) = nodes[0].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
-       nodes[0].node.channel_monitor_updated(&outpoint, latest_update);
+       chanmon_cfgs[0].persister.set_update_ret(Ok(()));
+       let (outpoint, latest_update, _) = nodes[0].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
+       nodes[0].chain_monitor.chain_monitor.force_channel_monitor_updated(outpoint, latest_update);
        check_added_monitors!(nodes[0], 0);
 
        let events = nodes[0].node.get_and_clear_pending_events();
@@ -1944,6 +1839,8 @@ fn do_during_funding_monitor_fail(confirm_a_first: bool, restore_b_before_conf:
        if confirm_a_first {
                confirm_transaction(&nodes[0], &funding_tx);
                nodes[1].node.handle_funding_locked(&nodes[0].node.get_our_node_id(), &get_event_msg!(nodes[0], MessageSendEvent::SendFundingLocked, nodes[1].node.get_our_node_id()));
+               assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
+               assert!(nodes[1].node.get_and_clear_pending_events().is_empty());
        } else {
                assert!(!restore_b_before_conf);
                confirm_transaction(&nodes[1], &funding_tx);
@@ -1962,20 +1859,32 @@ fn do_during_funding_monitor_fail(confirm_a_first: bool, restore_b_before_conf:
                assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
                assert!(nodes[1].node.get_and_clear_pending_events().is_empty());
        }
+       if !confirm_a_first && !restore_b_before_lock {
+               confirm_transaction(&nodes[0], &funding_tx);
+               nodes[1].node.handle_funding_locked(&nodes[0].node.get_our_node_id(), &get_event_msg!(nodes[0], MessageSendEvent::SendFundingLocked, nodes[1].node.get_our_node_id()));
+               assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
+               assert!(nodes[1].node.get_and_clear_pending_events().is_empty());
+       }
 
-       *nodes[1].chain_monitor.update_ret.lock().unwrap() = Some(Ok(()));
-       let (outpoint, latest_update) = nodes[1].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
-       nodes[1].node.channel_monitor_updated(&outpoint, latest_update);
+       chanmon_cfgs[1].persister.set_update_ret(Ok(()));
+       let (outpoint, latest_update, _) = nodes[1].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
+       nodes[1].chain_monitor.chain_monitor.force_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()));
-
-               confirm_transaction(&nodes[0], &funding_tx);
-               let (funding_locked, channel_id) = create_chan_between_nodes_with_value_confirm_second(&nodes[1], &nodes[0]);
-               (channel_id, create_chan_between_nodes_with_value_b(&nodes[0], &nodes[1], &funding_locked))
+               if !restore_b_before_lock {
+                       let (funding_locked, channel_id) = create_chan_between_nodes_with_value_confirm_second(&nodes[0], &nodes[1]);
+                       (channel_id, create_chan_between_nodes_with_value_b(&nodes[1], &nodes[0], &funding_locked))
+               } else {
+                       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()));
+                       confirm_transaction(&nodes[0], &funding_tx);
+                       let (funding_locked, channel_id) = create_chan_between_nodes_with_value_confirm_second(&nodes[1], &nodes[0]);
+                       (channel_id, create_chan_between_nodes_with_value_b(&nodes[0], &nodes[1], &funding_locked))
+               }
        } else {
                if restore_b_before_conf {
+                       assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
+                       assert!(nodes[1].node.get_and_clear_pending_events().is_empty());
                        confirm_transaction(&nodes[1], &funding_tx);
                }
                let (funding_locked, channel_id) = create_chan_between_nodes_with_value_confirm_second(&nodes[0], &nodes[1]);
@@ -1989,13 +1898,16 @@ fn do_during_funding_monitor_fail(confirm_a_first: bool, restore_b_before_conf:
 
        send_payment(&nodes[0], &[&nodes[1]], 8000000);
        close_channel(&nodes[0], &nodes[1], &channel_id, funding_tx, true);
+       check_closed_event!(nodes[0], 1, ClosureReason::CooperativeClosure);
+       check_closed_event!(nodes[1], 1, ClosureReason::CooperativeClosure);
 }
 
 #[test]
 fn during_funding_monitor_fail() {
-       do_during_funding_monitor_fail(true, true);
-       do_during_funding_monitor_fail(true, false);
-       do_during_funding_monitor_fail(false, false);
+       do_during_funding_monitor_fail(true, true, false);
+       do_during_funding_monitor_fail(true, false, false);
+       do_during_funding_monitor_fail(false, false, false);
+       do_during_funding_monitor_fail(false, false, true);
 }
 
 #[test]
@@ -2011,10 +1923,8 @@ fn test_path_paused_mpp() {
        let (chan_2_ann, _, chan_2_id, _) = create_announced_chan_between_nodes(&nodes, 0, 2, InitFeatures::known(), InitFeatures::known());
        let chan_3_id = create_announced_chan_between_nodes(&nodes, 1, 3, InitFeatures::known(), InitFeatures::known()).0.contents.short_channel_id;
        let chan_4_id = create_announced_chan_between_nodes(&nodes, 2, 3, InitFeatures::known(), InitFeatures::known()).0.contents.short_channel_id;
-       let logger = test_utils::TestLogger::new();
 
-       let (payment_preimage, payment_hash, payment_secret) = get_payment_preimage_hash!(&nodes[3]);
-       let mut route = get_route(&nodes[0].node.get_our_node_id(), &nodes[0].net_graph_msg_handler.network_graph, &nodes[3].node.get_our_node_id(), Some(InvoiceFeatures::known()), None, &[], 100000, TEST_FINAL_CLTV, &logger).unwrap();
+       let (mut route, payment_hash, payment_preimage, payment_secret) = get_route_and_payment_hash!(&nodes[0], nodes[3], 100000);
 
        // Set us up to take multiple routes, one 0 -> 1 -> 3 and one 0 -> 2 -> 3:
        let path = route.paths[0].clone();
@@ -2028,19 +1938,19 @@ fn test_path_paused_mpp() {
 
        // Set it so that the first monitor update (for the path 0 -> 1 -> 3) succeeds, but the second
        // (for the path 0 -> 2 -> 3) fails.
-       *nodes[0].chain_monitor.update_ret.lock().unwrap() = Some(Ok(()));
-       *nodes[0].chain_monitor.next_update_ret.lock().unwrap() = Some(Err(ChannelMonitorUpdateErr::TemporaryFailure));
+       chanmon_cfgs[0].persister.set_update_ret(Ok(()));
+       chanmon_cfgs[0].persister.set_next_update_ret(Some(Err(ChannelMonitorUpdateErr::TemporaryFailure)));
 
        // Now check that we get the right return value, indicating that the first path succeeded but
        // the second got a MonitorUpdateFailed err. This implies PaymentSendFailure::PartialFailure as
        // some paths succeeded, preventing retry.
-       if let Err(PaymentSendFailure::PartialFailure(results)) = nodes[0].node.send_payment(&route, payment_hash, &Some(payment_secret)) {
+       if let Err(PaymentSendFailure::PartialFailure { results, ..}) = nodes[0].node.send_payment(&route, payment_hash, &Some(payment_secret)) {
                assert_eq!(results.len(), 2);
                if let Ok(()) = results[0] {} else { panic!(); }
                if let Err(APIError::MonitorUpdateFailed) = results[1] {} else { panic!(); }
        } else { panic!(); }
        check_added_monitors!(nodes[0], 2);
-       *nodes[0].chain_monitor.update_ret.lock().unwrap() = Some(Ok(()));
+       chanmon_cfgs[0].persister.set_update_ret(Ok(()));
 
        // Pass the first HTLC of the payment along to nodes[3].
        let mut events = nodes[0].node.get_and_clear_pending_msg_events();
@@ -2049,8 +1959,8 @@ fn test_path_paused_mpp() {
 
        // And check that, after we successfully update the monitor for chan_2 we can pass the second
        // HTLC along to nodes[3] and claim the whole payment back to nodes[0].
-       let (outpoint, latest_update) = nodes[0].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&chan_2_id).unwrap().clone();
-       nodes[0].node.channel_monitor_updated(&outpoint, latest_update);
+       let (outpoint, latest_update, _) = nodes[0].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&chan_2_id).unwrap().clone();
+       nodes[0].chain_monitor.chain_monitor.force_channel_monitor_updated(outpoint, latest_update);
        let mut events = nodes[0].node.get_and_clear_pending_msg_events();
        assert_eq!(events.len(), 1);
        pass_along_path(&nodes[0], &[&nodes[2], &nodes[3]], 200_000, payment_hash.clone(), Some(payment_secret), events.pop().unwrap(), true, None);
@@ -2078,9 +1988,7 @@ fn test_pending_update_fee_ack_on_reconnect() {
        create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known());
        send_payment(&nodes[0], &[&nodes[1]], 100_000_00);
 
-       let (payment_preimage, payment_hash, payment_secret) = get_payment_preimage_hash!(&nodes[0]);
-       let route = get_route(&nodes[1].node.get_our_node_id(), &nodes[1].net_graph_msg_handler.network_graph,
-               &nodes[0].node.get_our_node_id(), Some(InvoiceFeatures::known()), None, &Vec::new(), 1_000_000, TEST_FINAL_CLTV, nodes[1].logger).unwrap();
+       let (route, payment_hash, payment_preimage, payment_secret) = get_route_and_payment_hash!(&nodes[1], nodes[0], 1_000_000);
        nodes[1].node.send_payment(&route, payment_hash, &Some(payment_secret)).unwrap();
        check_added_monitors!(nodes[1], 1);
        let bs_initial_send_msgs = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
@@ -2104,9 +2012,9 @@ fn test_pending_update_fee_ack_on_reconnect() {
        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);
 
-       nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init { features: InitFeatures::known() });
+       nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init { features: InitFeatures::known(), remote_network_address: None });
        let as_connect_msg = get_event_msg!(nodes[0], MessageSendEvent::SendChannelReestablish, nodes[1].node.get_our_node_id());
-       nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id(), &msgs::Init { features: InitFeatures::known() });
+       nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id(), &msgs::Init { features: InitFeatures::known(), remote_network_address: None });
        let bs_connect_msg = get_event_msg!(nodes[1], MessageSendEvent::SendChannelReestablish, nodes[0].node.get_our_node_id());
 
        nodes[1].node.handle_channel_reestablish(&nodes[0].node.get_our_node_id(), &as_connect_msg);
@@ -2150,6 +2058,50 @@ fn test_pending_update_fee_ack_on_reconnect() {
        claim_payment(&nodes[1], &[&nodes[0]], payment_preimage);
 }
 
+#[test]
+fn test_fail_htlc_on_broadcast_after_claim() {
+       // In an earlier version of 7e78fa660cec8a73286c94c1073ee588140e7a01 we'd also fail the inbound
+       // channel backwards if we received an HTLC failure after a HTLC fulfillment. Here we test a
+       // specific case of that by having the HTLC failure come from the ChannelMonitor after a dust
+       // HTLC was not included in a confirmed commitment transaction.
+       //
+       // We first forward a payment, then claim it with an update_fulfill_htlc message, closing the
+       // channel immediately before commitment occurs. After the commitment transaction reaches
+       // ANTI_REORG_DELAY confirmations, will will try to fail the HTLC which was already fulfilled.
+       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);
+
+       create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known());
+       let chan_id_2 = create_announced_chan_between_nodes(&nodes, 1, 2, InitFeatures::known(), InitFeatures::known()).2;
+
+       let payment_preimage = route_payment(&nodes[0], &[&nodes[1], &nodes[2]], 2000).0;
+
+       let bs_txn = get_local_commitment_txn!(nodes[2], chan_id_2);
+       assert_eq!(bs_txn.len(), 1);
+
+       nodes[2].node.claim_funds(payment_preimage);
+       check_added_monitors!(nodes[2], 1);
+       let cs_updates = get_htlc_update_msgs!(nodes[2], nodes[1].node.get_our_node_id());
+       nodes[1].node.handle_update_fulfill_htlc(&nodes[2].node.get_our_node_id(), &cs_updates.update_fulfill_htlcs[0]);
+       let bs_updates = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
+       check_added_monitors!(nodes[1], 1);
+       expect_payment_forwarded!(nodes[1], nodes[0], Some(1000), false);
+
+       mine_transaction(&nodes[1], &bs_txn[0]);
+       check_closed_event!(nodes[1], 1, ClosureReason::CommitmentTxConfirmed);
+       check_closed_broadcast!(nodes[1], true);
+       connect_blocks(&nodes[1], ANTI_REORG_DELAY - 1);
+       check_added_monitors!(nodes[1], 1);
+       expect_pending_htlcs_forwardable!(nodes[1]);
+
+       nodes[0].node.handle_update_fulfill_htlc(&nodes[1].node.get_our_node_id(), &bs_updates.update_fulfill_htlcs[0]);
+       expect_payment_sent_without_paths!(nodes[0], payment_preimage);
+       commitment_signed_dance!(nodes[0], nodes[1], bs_updates.commitment_signed, true, true);
+       expect_payment_path_successful!(nodes[0]);
+}
+
 fn do_update_fee_resend_test(deliver_update: bool, parallel_updates: bool) {
        // In early versions we did not handle resending of update_fee on reconnect correctly. The
        // chanmon_consistency fuzz target, of course, immediately found it, but we test a few cases
@@ -2186,9 +2138,9 @@ fn do_update_fee_resend_test(deliver_update: bool, parallel_updates: bool) {
        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);
 
-       nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init { features: InitFeatures::known() });
+       nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init { features: InitFeatures::known(), remote_network_address: None });
        let as_connect_msg = get_event_msg!(nodes[0], MessageSendEvent::SendChannelReestablish, nodes[1].node.get_our_node_id());
-       nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id(), &msgs::Init { features: InitFeatures::known() });
+       nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id(), &msgs::Init { features: InitFeatures::known(), remote_network_address: None });
        let bs_connect_msg = get_event_msg!(nodes[1], MessageSendEvent::SendChannelReestablish, nodes[0].node.get_our_node_id());
 
        nodes[1].node.handle_channel_reestablish(&nodes[0].node.get_our_node_id(), &as_connect_msg);
@@ -2261,7 +2213,7 @@ fn do_channel_holding_cell_serialize(disconnect: bool, reload_a: bool) {
        let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
 
        let chan_id = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 15_000_000, 7_000_000_000, InitFeatures::known(), InitFeatures::known()).2;
-       let (payment_preimage_1, payment_hash_1, payment_secret_1) = get_payment_preimage_hash!(&nodes[1]);
+       let (route, payment_hash_1, payment_preimage_1, payment_secret_1) = get_route_and_payment_hash!(&nodes[0], nodes[1], 100000);
        let (payment_preimage_2, payment_hash_2, payment_secret_2) = get_payment_preimage_hash!(&nodes[1]);
 
        // Do a really complicated dance to get an HTLC into the holding cell, with MonitorUpdateFailed
@@ -2285,11 +2237,6 @@ fn do_channel_holding_cell_serialize(disconnect: bool, reload_a: bool) {
        // will not be freed from the holding cell.
        let (payment_preimage_0, _, _) = route_payment(&nodes[1], &[&nodes[0]], 100000);
 
-       let route = {
-               let net_graph_msg_handler = &nodes[0].net_graph_msg_handler;
-               get_route(&nodes[0].node.get_our_node_id(), &net_graph_msg_handler.network_graph, &nodes[1].node.get_our_node_id(), None, None, &Vec::new(), 100000, TEST_FINAL_CLTV, nodes[0].logger).unwrap()
-       };
-
        nodes[0].node.send_payment(&route, payment_hash_1, &Some(payment_secret_1)).unwrap();
        check_added_monitors!(nodes[0], 1);
        let send = SendEvent::from_node(&nodes[0]);
@@ -2298,7 +2245,7 @@ fn do_channel_holding_cell_serialize(disconnect: bool, reload_a: bool) {
        nodes[0].node.send_payment(&route, payment_hash_2, &Some(payment_secret_2)).unwrap();
        check_added_monitors!(nodes[0], 0);
 
-       *nodes[0].chain_monitor.update_ret.lock().unwrap() = Some(Err(ChannelMonitorUpdateErr::TemporaryFailure));
+       chanmon_cfgs[0].persister.set_update_ret(Err(ChannelMonitorUpdateErr::TemporaryFailure));
        assert!(nodes[0].node.claim_funds(payment_preimage_0));
        check_added_monitors!(nodes[0], 1);
 
@@ -2318,7 +2265,7 @@ fn do_channel_holding_cell_serialize(disconnect: bool, reload_a: bool) {
                if reload_a {
                        let nodes_0_serialized = nodes[0].node.encode();
                        let mut chan_0_monitor_serialized = test_utils::TestVecWriter(Vec::new());
-                       nodes[0].chain_monitor.chain_monitor.monitors.read().unwrap().iter().next().unwrap().1.write(&mut chan_0_monitor_serialized).unwrap();
+                       get_monitor!(nodes[0], chan_id).write(&mut chan_0_monitor_serialized).unwrap();
 
                        persister = test_utils::TestPersister::new();
                        let keys_manager = &chanmon_cfgs[0].keys_manager;
@@ -2355,10 +2302,10 @@ fn do_channel_holding_cell_serialize(disconnect: bool, reload_a: bool) {
                nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id(), false);
 
                // Now reconnect the two
-               nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init { features: InitFeatures::empty() });
+               nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init { features: InitFeatures::empty(), remote_network_address: None });
                let reestablish_1 = get_chan_reestablish_msgs!(nodes[0], nodes[1]);
                assert_eq!(reestablish_1.len(), 1);
-               nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id(), &msgs::Init { features: InitFeatures::empty() });
+               nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id(), &msgs::Init { features: InitFeatures::empty(), remote_network_address: None });
                let reestablish_2 = get_chan_reestablish_msgs!(nodes[1], nodes[0]);
                assert_eq!(reestablish_2.len(), 1);
 
@@ -2391,9 +2338,9 @@ fn do_channel_holding_cell_serialize(disconnect: bool, reload_a: bool) {
 
        // If we finish updating the monitor, we should free the holding cell right away (this did
        // not occur prior to #756).
-       *nodes[0].chain_monitor.update_ret.lock().unwrap() = None;
-       let (funding_txo, mon_id) = nodes[0].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&chan_id).unwrap().clone();
-       nodes[0].node.channel_monitor_updated(&funding_txo, mon_id);
+       chanmon_cfgs[0].persister.set_update_ret(Ok(()));
+       let (funding_txo, mon_id, _) = nodes[0].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&chan_id).unwrap().clone();
+       nodes[0].chain_monitor.chain_monitor.force_channel_monitor_updated(funding_txo, mon_id);
 
        // New outbound messages should be generated immediately upon a call to
        // get_and_clear_pending_msg_events (but not before).
@@ -2414,7 +2361,7 @@ fn do_channel_holding_cell_serialize(disconnect: bool, reload_a: bool) {
                        assert!(updates.update_fee.is_none());
                        assert_eq!(updates.update_fulfill_htlcs.len(), 1);
                        nodes[1].node.handle_update_fulfill_htlc(&nodes[0].node.get_our_node_id(), &updates.update_fulfill_htlcs[0]);
-                       expect_payment_sent!(nodes[1], payment_preimage_0);
+                       expect_payment_sent_without_paths!(nodes[1], payment_preimage_0);
                        assert_eq!(updates.update_add_htlcs.len(), 1);
                        nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &updates.update_add_htlcs[0]);
                        updates.commitment_signed
@@ -2433,7 +2380,18 @@ fn do_channel_holding_cell_serialize(disconnect: bool, reload_a: bool) {
 
        commitment_signed_dance!(nodes[1], nodes[0], (), false, true, false);
 
-       expect_pending_htlcs_forwardable!(nodes[1]);
+       let events = nodes[1].node.get_and_clear_pending_events();
+       assert_eq!(events.len(), 2);
+       match events[0] {
+               Event::PendingHTLCsForwardable { .. } => { },
+               _ => panic!("Unexpected event"),
+       };
+       match events[1] {
+               Event::PaymentPathSuccessful { .. } => { },
+               _ => panic!("Unexpected event"),
+       };
+
+       nodes[1].node.process_pending_htlc_forwards();
        expect_payment_received!(nodes[1], payment_hash_2, payment_secret_2, 100000);
 
        claim_payment(&nodes[0], &[&nodes[1]], payment_preimage_1);
@@ -2465,7 +2423,7 @@ fn do_test_reconnect_dup_htlc_claims(htlc_status: HTLCStatusAtDupClaim, second_f
        let mut nodes = create_network(3, &node_cfgs, &node_chanmgrs);
 
        create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known());
-       let chan_2 = create_announced_chan_between_nodes(&nodes, 1, 2, InitFeatures::known(), InitFeatures::known()).2;
+       let chan_id_2 = create_announced_chan_between_nodes(&nodes, 1, 2, InitFeatures::known(), InitFeatures::known()).2;
 
        let (payment_preimage, payment_hash, _) = route_payment(&nodes[0], &[&nodes[1], &nodes[2]], 100_000);
 
@@ -2473,9 +2431,7 @@ fn do_test_reconnect_dup_htlc_claims(htlc_status: HTLCStatusAtDupClaim, second_f
        if htlc_status == HTLCStatusAtDupClaim::HoldingCell {
                // In order to get the HTLC claim into the holding cell at nodes[1], we need nodes[1] to be
                // awaiting a remote revoke_and_ack from nodes[0].
-               let (_, second_payment_hash, second_payment_secret) = get_payment_preimage_hash!(nodes[1]);
-               let route = get_route(&nodes[0].node.get_our_node_id(), &nodes[0].net_graph_msg_handler.network_graph,
-                       &nodes[1].node.get_our_node_id(), Some(InvoiceFeatures::known()), None, &Vec::new(), 100_000, TEST_FINAL_CLTV, nodes[1].logger).unwrap();
+               let (route, second_payment_hash, _, second_payment_secret) = get_route_and_payment_hash!(nodes[0], nodes[1], 100_000);
                nodes[0].node.send_payment(&route, second_payment_hash, &Some(second_payment_secret)).unwrap();
                check_added_monitors!(nodes[0], 1);
 
@@ -2494,7 +2450,7 @@ fn do_test_reconnect_dup_htlc_claims(htlc_status: HTLCStatusAtDupClaim, second_f
        }
 
        let fulfill_msg = msgs::UpdateFulfillHTLC {
-               channel_id: chan_2,
+               channel_id: chan_id_2,
                htlc_id: 0,
                payment_preimage,
        };
@@ -2512,7 +2468,7 @@ fn do_test_reconnect_dup_htlc_claims(htlc_status: HTLCStatusAtDupClaim, second_f
                assert_eq!(fulfill_msg, cs_updates.update_fulfill_htlcs[0]);
        }
        nodes[1].node.handle_update_fulfill_htlc(&nodes[2].node.get_our_node_id(), &fulfill_msg);
-       expect_payment_forwarded!(nodes[1], Some(1000), false);
+       expect_payment_forwarded!(nodes[1], nodes[0], Some(1000), false);
        check_added_monitors!(nodes[1], 1);
 
        let mut bs_updates = None;
@@ -2520,9 +2476,10 @@ fn do_test_reconnect_dup_htlc_claims(htlc_status: HTLCStatusAtDupClaim, second_f
                bs_updates = Some(get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id()));
                assert_eq!(bs_updates.as_ref().unwrap().update_fulfill_htlcs.len(), 1);
                nodes[0].node.handle_update_fulfill_htlc(&nodes[1].node.get_our_node_id(), &bs_updates.as_ref().unwrap().update_fulfill_htlcs[0]);
-               expect_payment_sent!(nodes[0], payment_preimage);
+               expect_payment_sent_without_paths!(nodes[0], payment_preimage);
                if htlc_status == HTLCStatusAtDupClaim::Cleared {
                        commitment_signed_dance!(nodes[0], nodes[1], &bs_updates.as_ref().unwrap().commitment_signed, false);
+                       expect_payment_path_successful!(nodes[0]);
                }
        } else {
                assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
@@ -2546,10 +2503,11 @@ fn do_test_reconnect_dup_htlc_claims(htlc_status: HTLCStatusAtDupClaim, second_f
                bs_updates = Some(get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id()));
                assert_eq!(bs_updates.as_ref().unwrap().update_fulfill_htlcs.len(), 1);
                nodes[0].node.handle_update_fulfill_htlc(&nodes[1].node.get_our_node_id(), &bs_updates.as_ref().unwrap().update_fulfill_htlcs[0]);
-               expect_payment_sent!(nodes[0], payment_preimage);
+               expect_payment_sent_without_paths!(nodes[0], payment_preimage);
        }
        if htlc_status != HTLCStatusAtDupClaim::Cleared {
                commitment_signed_dance!(nodes[0], nodes[1], &bs_updates.as_ref().unwrap().commitment_signed, false);
+               expect_payment_path_successful!(nodes[0]);
        }
 }
 
@@ -2577,8 +2535,8 @@ fn test_temporary_error_during_shutdown() {
 
        let (_, _, channel_id, funding_tx) = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known());
 
-       *nodes[0].chain_monitor.update_ret.lock().unwrap() = Some(Err(ChannelMonitorUpdateErr::TemporaryFailure));
-       *nodes[1].chain_monitor.update_ret.lock().unwrap() = Some(Err(ChannelMonitorUpdateErr::TemporaryFailure));
+       chanmon_cfgs[0].persister.set_update_ret(Err(ChannelMonitorUpdateErr::TemporaryFailure));
+       chanmon_cfgs[1].persister.set_update_ret(Err(ChannelMonitorUpdateErr::TemporaryFailure));
 
        nodes[0].node.close_channel(&channel_id).unwrap();
        nodes[1].node.handle_shutdown(&nodes[0].node.get_our_node_id(), &InitFeatures::known(), &get_event_msg!(nodes[0], MessageSendEvent::SendShutdown, nodes[1].node.get_our_node_id()));
@@ -2589,18 +2547,18 @@ fn test_temporary_error_during_shutdown() {
 
        assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty());
 
-       *nodes[0].chain_monitor.update_ret.lock().unwrap() = None;
-       *nodes[1].chain_monitor.update_ret.lock().unwrap() = None;
+       chanmon_cfgs[0].persister.set_update_ret(Ok(()));
+       chanmon_cfgs[1].persister.set_update_ret(Ok(()));
 
-       let (outpoint, latest_update) = nodes[0].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
-       nodes[0].node.channel_monitor_updated(&outpoint, latest_update);
+       let (outpoint, latest_update, _) = nodes[0].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
+       nodes[0].chain_monitor.chain_monitor.force_channel_monitor_updated(outpoint, latest_update);
        nodes[1].node.handle_closing_signed(&nodes[0].node.get_our_node_id(), &get_event_msg!(nodes[0], MessageSendEvent::SendClosingSigned, nodes[1].node.get_our_node_id()));
 
        assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
 
-       *nodes[1].chain_monitor.update_ret.lock().unwrap() = None;
-       let (outpoint, latest_update) = nodes[1].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
-       nodes[1].node.channel_monitor_updated(&outpoint, latest_update);
+       chanmon_cfgs[1].persister.set_update_ret(Ok(()));
+       let (outpoint, latest_update, _) = nodes[1].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
+       nodes[1].chain_monitor.chain_monitor.force_channel_monitor_updated(outpoint, latest_update);
 
        nodes[0].node.handle_closing_signed(&nodes[1].node.get_our_node_id(), &get_event_msg!(nodes[1], MessageSendEvent::SendClosingSigned, nodes[0].node.get_our_node_id()));
        let (_, closing_signed_a) = get_closing_signed_broadcast!(nodes[0].node, nodes[1].node.get_our_node_id());
@@ -2614,6 +2572,8 @@ fn test_temporary_error_during_shutdown() {
        assert_eq!(txn_a, txn_b);
        assert_eq!(txn_a.len(), 1);
        check_spends!(txn_a[0], funding_tx);
+       check_closed_event!(nodes[1], 1, ClosureReason::CooperativeClosure);
+       check_closed_event!(nodes[0], 1, ClosureReason::CooperativeClosure);
 }
 
 #[test]
@@ -2629,11 +2589,12 @@ fn test_permanent_error_during_sending_shutdown() {
        let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
 
        let channel_id = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known()).2;
-       *nodes[0].chain_monitor.update_ret.lock().unwrap() = Some(Err(ChannelMonitorUpdateErr::PermanentFailure));
+       chanmon_cfgs[0].persister.set_update_ret(Err(ChannelMonitorUpdateErr::PermanentFailure));
 
        assert!(nodes[0].node.close_channel(&channel_id).is_ok());
        check_closed_broadcast!(nodes[0], true);
        check_added_monitors!(nodes[0], 2);
+       check_closed_event!(nodes[0], 1, ClosureReason::ProcessingError { err: "ChannelMonitor storage failure".to_string() });
 }
 
 #[test]
@@ -2649,13 +2610,14 @@ fn test_permanent_error_during_handling_shutdown() {
        let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
 
        let channel_id = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known()).2;
-       *nodes[1].chain_monitor.update_ret.lock().unwrap() = Some(Err(ChannelMonitorUpdateErr::PermanentFailure));
+       chanmon_cfgs[1].persister.set_update_ret(Err(ChannelMonitorUpdateErr::PermanentFailure));
 
        assert!(nodes[0].node.close_channel(&channel_id).is_ok());
        let shutdown = get_event_msg!(nodes[0], MessageSendEvent::SendShutdown, nodes[1].node.get_our_node_id());
        nodes[1].node.handle_shutdown(&nodes[0].node.get_our_node_id(), &InitFeatures::known(), &shutdown);
        check_closed_broadcast!(nodes[1], true);
        check_added_monitors!(nodes[1], 2);
+       check_closed_event!(nodes[1], 1, ClosureReason::ProcessingError { err: "ChannelMonitor storage failure".to_string() });
 }
 
 #[test]
@@ -2671,24 +2633,24 @@ fn double_temp_error() {
        let (payment_preimage_1, _, _) = route_payment(&nodes[0], &[&nodes[1]], 1000000);
        let (payment_preimage_2, _, _) = route_payment(&nodes[0], &[&nodes[1]], 1000000);
 
-       *nodes[1].chain_monitor.update_ret.lock().unwrap() = Some(Err(ChannelMonitorUpdateErr::TemporaryFailure));
+       chanmon_cfgs[1].persister.set_update_ret(Err(ChannelMonitorUpdateErr::TemporaryFailure));
        // `claim_funds` results in a ChannelMonitorUpdate.
        assert!(nodes[1].node.claim_funds(payment_preimage_1));
        check_added_monitors!(nodes[1], 1);
-       let (funding_tx, latest_update_1) = nodes[1].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
+       let (funding_tx, latest_update_1, _) = nodes[1].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
 
-       *nodes[1].chain_monitor.update_ret.lock().unwrap() = Some(Err(ChannelMonitorUpdateErr::TemporaryFailure));
+       chanmon_cfgs[1].persister.set_update_ret(Err(ChannelMonitorUpdateErr::TemporaryFailure));
        // Previously, this would've panicked due to a double-call to `Channel::monitor_update_failed`,
        // which had some asserts that prevented it from being called twice.
        assert!(nodes[1].node.claim_funds(payment_preimage_2));
        check_added_monitors!(nodes[1], 1);
-       *nodes[1].chain_monitor.update_ret.lock().unwrap() = Some(Ok(()));
+       chanmon_cfgs[1].persister.set_update_ret(Ok(()));
 
-       let (_, latest_update_2) = nodes[1].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
-       nodes[1].node.channel_monitor_updated(&funding_tx, latest_update_1);
+       let (_, latest_update_2, _) = nodes[1].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
+       nodes[1].chain_monitor.chain_monitor.force_channel_monitor_updated(funding_tx, latest_update_1);
        assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
        check_added_monitors!(nodes[1], 0);
-       nodes[1].node.channel_monitor_updated(&funding_tx, latest_update_2);
+       nodes[1].chain_monitor.chain_monitor.force_channel_monitor_updated(funding_tx, latest_update_2);
 
        // Complete the first HTLC.
        let events = nodes[1].node.get_and_clear_pending_msg_events();
@@ -2709,7 +2671,7 @@ fn double_temp_error() {
        assert_eq!(node_id, nodes[0].node.get_our_node_id());
        nodes[0].node.handle_update_fulfill_htlc(&nodes[1].node.get_our_node_id(), &update_fulfill_1);
        check_added_monitors!(nodes[0], 0);
-       expect_payment_sent!(nodes[0], payment_preimage_1);
+       expect_payment_sent_without_paths!(nodes[0], payment_preimage_1);
        nodes[0].node.handle_commitment_signed(&nodes[1].node.get_our_node_id(), &commitment_signed_b1);
        check_added_monitors!(nodes[0], 1);
        nodes[0].node.process_pending_htlc_forwards();
@@ -2747,6 +2709,7 @@ fn double_temp_error() {
        };
        nodes[0].node.handle_revoke_and_ack(&nodes[1].node.get_our_node_id(), &raa_b2);
        check_added_monitors!(nodes[0], 1);
+       expect_payment_path_successful!(nodes[0]);
 
        nodes[0].node.handle_update_fulfill_htlc(&nodes[1].node.get_our_node_id(), &update_fulfill_2);
        check_added_monitors!(nodes[0], 0);