Disconect `announcement_signatures` sending from `funding_locked`
[rust-lightning] / lightning / src / ln / functional_tests.rs
index f144dbd9ad61faab79d73e82def57ef91cfd7106..ff62107af783da3c0f84e482e2c5e1779596b303 100644 (file)
@@ -18,12 +18,12 @@ use chain::channelmonitor::{ChannelMonitor, CLTV_CLAIM_BUFFER, LATENCY_GRACE_PER
 use chain::transaction::OutPoint;
 use chain::keysinterface::BaseSign;
 use ln::{PaymentPreimage, PaymentSecret, PaymentHash};
-use ln::channel::{COMMITMENT_TX_BASE_WEIGHT, COMMITMENT_TX_WEIGHT_PER_HTLC, CONCURRENT_INBOUND_HTLC_FEE_BUFFER, MIN_AFFORDABLE_HTLC_COUNT};
-use ln::channelmanager::{ChannelManager, ChannelManagerReadArgs, PaymentId, RAACommitmentOrder, PaymentSendFailure, BREAKDOWN_TIMEOUT, MIN_CLTV_EXPIRY_DELTA};
+use ln::channel::{COMMITMENT_TX_BASE_WEIGHT, COMMITMENT_TX_WEIGHT_PER_HTLC, CONCURRENT_INBOUND_HTLC_FEE_BUFFER, FEE_SPIKE_BUFFER_FEE_INCREASE_MULTIPLE, MIN_AFFORDABLE_HTLC_COUNT};
+use ln::channelmanager::{ChannelManager, ChannelManagerReadArgs, PaymentId, RAACommitmentOrder, PaymentSendFailure, BREAKDOWN_TIMEOUT, MIN_CLTV_EXPIRY_DELTA, PAYMENT_EXPIRY_BLOCKS };
 use ln::channel::{Channel, ChannelError};
 use ln::{chan_utils, onion_utils};
 use ln::chan_utils::{HTLC_SUCCESS_TX_WEIGHT, HTLC_TIMEOUT_TX_WEIGHT, HTLCOutputInCommitment};
-use routing::network_graph::{NetworkUpdate, RoutingFees};
+use routing::network_graph::RoutingFees;
 use routing::router::{Payee, Route, RouteHop, RouteHint, RouteHintHop, RouteParameters, find_route, get_route};
 use ln::features::{ChannelFeatures, InitFeatures, InvoiceFeatures, NodeFeatures};
 use ln::msgs;
@@ -42,9 +42,6 @@ use bitcoin::blockdata::opcodes;
 use bitcoin::blockdata::constants::genesis_block;
 use bitcoin::network::constants::Network;
 
-use bitcoin::hashes::sha256::Hash as Sha256;
-use bitcoin::hashes::Hash;
-
 use bitcoin::secp256k1::Secp256k1;
 use bitcoin::secp256k1::key::{PublicKey,SecretKey};
 
@@ -108,8 +105,6 @@ fn test_insane_channel_opens() {
 
        insane_open_helper("Peer never wants payout outputs?", |mut msg| { msg.dust_limit_satoshis = msg.funding_satoshis + 1 ; msg });
 
-       insane_open_helper(r"Bogus; channel reserve \(\d+\) is less than dust limit \(\d+\)", |mut msg| { msg.dust_limit_satoshis = msg.channel_reserve_satoshis + 1; msg });
-
        insane_open_helper(r"Minimum htlc value \(\d+\) was larger than full channel value \(\d+\)", |mut msg| { msg.htlc_minimum_msat = (msg.funding_satoshis - msg.channel_reserve_satoshis) * 1000; msg });
 
        insane_open_helper("They wanted our payments to be delayed by a needlessly long period", |mut msg| { msg.to_self_delay = MAX_LOCAL_BREAKDOWN_TIMEOUT + 1; msg });
@@ -119,6 +114,67 @@ fn test_insane_channel_opens() {
        insane_open_helper("max_accepted_htlcs was 484. It must not be larger than 483", |mut msg| { msg.max_accepted_htlcs = 484; msg });
 }
 
+fn do_test_counterparty_no_reserve(send_from_initiator: bool) {
+       // A peer providing a channel_reserve_satoshis of 0 (or less than our dust limit) is insecure,
+       // but only for them. Because some LSPs do it with some level of trust of the clients (for a
+       // substantial UX improvement), we explicitly allow it. Because it's unlikely to happen often
+       // in normal testing, we test it explicitly here.
+       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 nodes = create_network(2, &node_cfgs, &node_chanmgrs);
+
+       // Have node0 initiate a channel to node1 with aforementioned parameters
+       let mut push_amt = 100_000_000;
+       let feerate_per_kw = 253;
+       push_amt -= feerate_per_kw as u64 * (COMMITMENT_TX_BASE_WEIGHT + 4 * COMMITMENT_TX_WEIGHT_PER_HTLC) / 1000 * 1000;
+       push_amt -= Channel::<EnforcingSigner>::get_holder_selected_channel_reserve_satoshis(100_000) * 1000;
+
+       let temp_channel_id = nodes[0].node.create_channel(nodes[1].node.get_our_node_id(), 100_000, if send_from_initiator { 0 } else { push_amt }, 42, None).unwrap();
+       let mut open_channel_message = get_event_msg!(nodes[0], MessageSendEvent::SendOpenChannel, nodes[1].node.get_our_node_id());
+       if !send_from_initiator {
+               open_channel_message.channel_reserve_satoshis = 0;
+               open_channel_message.max_htlc_value_in_flight_msat = 100_000_000;
+       }
+       nodes[1].node.handle_open_channel(&nodes[0].node.get_our_node_id(), InitFeatures::known(), &open_channel_message);
+
+       // Extract the channel accept message from node1 to node0
+       let mut accept_channel_message = get_event_msg!(nodes[1], MessageSendEvent::SendAcceptChannel, nodes[0].node.get_our_node_id());
+       if send_from_initiator {
+               accept_channel_message.channel_reserve_satoshis = 0;
+               accept_channel_message.max_htlc_value_in_flight_msat = 100_000_000;
+       }
+       nodes[0].node.handle_accept_channel(&nodes[1].node.get_our_node_id(), InitFeatures::known(), &accept_channel_message);
+       {
+               let mut lock;
+               let mut chan = get_channel_ref!(if send_from_initiator { &nodes[1] } else { &nodes[0] }, lock, temp_channel_id);
+               chan.holder_selected_channel_reserve_satoshis = 0;
+               chan.holder_max_htlc_value_in_flight_msat = 100_000_000;
+       }
+
+       let funding_tx = sign_funding_transaction(&nodes[0], &nodes[1], 100_000, temp_channel_id);
+       let funding_msgs = create_chan_between_nodes_with_value_confirm(&nodes[0], &nodes[1], &funding_tx);
+       create_chan_between_nodes_with_value_b(&nodes[0], &nodes[1], &funding_msgs.0);
+
+       // nodes[0] should now be able to send the full balance to nodes[1], violating nodes[1]'s
+       // security model if it ever tries to send funds back to nodes[0] (but that's not our problem).
+       if send_from_initiator {
+               send_payment(&nodes[0], &[&nodes[1]], 100_000_000
+                       // Note that for outbound channels we have to consider the commitment tx fee and the
+                       // "fee spike buffer", which is currently a multiple of the total commitment tx fee as
+                       // well as an additional HTLC.
+                       - FEE_SPIKE_BUFFER_FEE_INCREASE_MULTIPLE * commit_tx_fee_msat(feerate_per_kw, 2));
+       } else {
+               send_payment(&nodes[1], &[&nodes[0]], push_amt);
+       }
+}
+
+#[test]
+fn test_counterparty_no_reserve() {
+       do_test_counterparty_no_reserve(true);
+       do_test_counterparty_no_reserve(false);
+}
+
 #[test]
 fn test_async_inbound_update_fee() {
        let chanmon_cfgs = create_chanmon_cfgs(2);
@@ -426,10 +482,54 @@ fn do_test_1_conf_open(connect_style: ConnectStyle) {
        let tx = create_chan_between_nodes_with_value_init(&nodes[0], &nodes[1], 100000, 10001, InitFeatures::known(), InitFeatures::known());
        mine_transaction(&nodes[1], &tx);
        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()));
+       assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty());
 
        mine_transaction(&nodes[0], &tx);
-       let (funding_locked, _) = create_chan_between_nodes_with_value_confirm_second(&nodes[1], &nodes[0]);
-       let (announcement, as_update, bs_update) = create_chan_between_nodes_with_value_b(&nodes[0], &nodes[1], &funding_locked);
+       let as_msg_events = nodes[0].node.get_and_clear_pending_msg_events();
+       assert_eq!(as_msg_events.len(), 2);
+       let as_funding_locked = if let MessageSendEvent::SendFundingLocked { ref node_id, ref msg } = as_msg_events[0] {
+               assert_eq!(*node_id, nodes[1].node.get_our_node_id());
+               msg.clone()
+       } else { panic!("Unexpected event"); };
+       if let MessageSendEvent::SendChannelUpdate { ref node_id, msg: _ } = as_msg_events[1] {
+               assert_eq!(*node_id, nodes[1].node.get_our_node_id());
+       } else { panic!("Unexpected event"); }
+
+       nodes[1].node.handle_funding_locked(&nodes[0].node.get_our_node_id(), &as_funding_locked);
+       let bs_msg_events = nodes[1].node.get_and_clear_pending_msg_events();
+       assert_eq!(bs_msg_events.len(), 1);
+       if let MessageSendEvent::SendChannelUpdate { ref node_id, msg: _ } = bs_msg_events[0] {
+               assert_eq!(*node_id, nodes[0].node.get_our_node_id());
+       } else { panic!("Unexpected event"); }
+
+       send_payment(&nodes[0], &[&nodes[1]], 100_000);
+
+       // After 6 confirmations, as required by the spec, we'll send announcement_signatures and
+       // broadcast the channel_announcement (but not before exactly 6 confirmations).
+       connect_blocks(&nodes[0], 4);
+       assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty());
+       connect_blocks(&nodes[0], 1);
+       nodes[1].node.handle_announcement_signatures(&nodes[0].node.get_our_node_id(), &get_event_msg!(nodes[0], MessageSendEvent::SendAnnouncementSignatures, nodes[1].node.get_our_node_id()));
+       assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
+
+       connect_blocks(&nodes[1], 5);
+       let bs_announce_events = nodes[1].node.get_and_clear_pending_msg_events();
+       assert_eq!(bs_announce_events.len(), 2);
+       let bs_announcement_sigs = if let MessageSendEvent::SendAnnouncementSignatures { ref node_id, ref msg } = bs_announce_events[0] {
+               assert_eq!(*node_id, nodes[0].node.get_our_node_id());
+               msg.clone()
+       } else { panic!("Unexpected event"); };
+       let (bs_announcement, bs_update) = if let MessageSendEvent::BroadcastChannelAnnouncement { ref msg, ref update_msg } = bs_announce_events[1] {
+               (msg.clone(), update_msg.clone())
+       } else { panic!("Unexpected event"); };
+
+       nodes[0].node.handle_announcement_signatures(&nodes[1].node.get_our_node_id(), &bs_announcement_sigs);
+       let as_announce_events = nodes[0].node.get_and_clear_pending_msg_events();
+       assert_eq!(as_announce_events.len(), 1);
+       let (announcement, as_update) = if let MessageSendEvent::BroadcastChannelAnnouncement { ref msg, ref update_msg } = as_announce_events[0] {
+               (msg.clone(), update_msg.clone())
+       } else { panic!("Unexpected event"); };
+       assert_eq!(announcement, bs_announcement);
 
        for node in nodes {
                assert!(node.net_graph_msg_handler.handle_channel_announcement(&announcement).unwrap());
@@ -3093,9 +3193,10 @@ fn do_test_commitment_revoked_fail_backward_exhaustive(deliver_bs_raa: bool, use
        mine_transaction(&nodes[1], &revoked_local_txn[0]);
        check_added_monitors!(nodes[1], 1);
        connect_blocks(&nodes[1], ANTI_REORG_DELAY - 1);
+       assert!(ANTI_REORG_DELAY > PAYMENT_EXPIRY_BLOCKS); // We assume payments will also expire
 
        let events = nodes[1].node.get_and_clear_pending_events();
-       assert_eq!(events.len(), if deliver_bs_raa { 2 } else { 3 });
+       assert_eq!(events.len(), if deliver_bs_raa { 2 } else { 4 });
        match events[0] {
                Event::ChannelClosed { reason: ClosureReason::CommitmentTxConfirmed, .. } => { },
                _ => panic!("Unexepected event"),
@@ -3108,6 +3209,12 @@ fn do_test_commitment_revoked_fail_backward_exhaustive(deliver_bs_raa: bool, use
        }
        if !deliver_bs_raa {
                match events[2] {
+                       Event::PaymentFailed { ref payment_hash, .. } => {
+                               assert_eq!(*payment_hash, fourth_payment_hash);
+                       },
+                       _ => panic!("Unexpected event"),
+               }
+               match events[3] {
                        Event::PendingHTLCsForwardable { .. } => { },
                        _ => panic!("Unexpected event"),
                };
@@ -3731,15 +3838,7 @@ fn test_funding_peer_disconnect() {
 
        confirm_transaction(&nodes[0], &tx);
        let events_1 = nodes[0].node.get_and_clear_pending_msg_events();
-       let chan_id;
-       assert_eq!(events_1.len(), 1);
-       match events_1[0] {
-               MessageSendEvent::SendFundingLocked { ref node_id, ref msg } => {
-                       assert_eq!(*node_id, nodes[1].node.get_our_node_id());
-                       chan_id = msg.channel_id;
-               },
-               _ => panic!("Unexpected event"),
-       }
+       assert!(events_1.is_empty());
 
        reconnect_nodes(&nodes[0], &nodes[1], (false, true), (0, 0), (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
 
@@ -3748,53 +3847,106 @@ fn test_funding_peer_disconnect() {
 
        confirm_transaction(&nodes[1], &tx);
        let events_2 = nodes[1].node.get_and_clear_pending_msg_events();
-       assert_eq!(events_2.len(), 2);
-       let funding_locked = match events_2[0] {
+       assert!(events_2.is_empty());
+
+       nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init { features: InitFeatures::empty() });
+       let as_reestablish = 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::empty() });
+       let bs_reestablish = get_event_msg!(nodes[1], MessageSendEvent::SendChannelReestablish, nodes[0].node.get_our_node_id());
+
+       // nodes[0] hasn't yet received a funding_locked, so it only sends that on reconnect.
+       nodes[0].node.handle_channel_reestablish(&nodes[1].node.get_our_node_id(), &bs_reestablish);
+       let events_3 = nodes[0].node.get_and_clear_pending_msg_events();
+       assert_eq!(events_3.len(), 1);
+       let as_funding_locked = match events_3[0] {
+               MessageSendEvent::SendFundingLocked { ref node_id, ref msg } => {
+                       assert_eq!(*node_id, nodes[1].node.get_our_node_id());
+                       msg.clone()
+               },
+               _ => panic!("Unexpected event {:?}", events_3[0]),
+       };
+
+       // nodes[1] received nodes[0]'s funding_locked on the first reconnect above, so it should send
+       // announcement_signatures as well as channel_update.
+       nodes[1].node.handle_channel_reestablish(&nodes[0].node.get_our_node_id(), &as_reestablish);
+       let events_4 = nodes[1].node.get_and_clear_pending_msg_events();
+       assert_eq!(events_4.len(), 3);
+       let chan_id;
+       let bs_funding_locked = match events_4[0] {
                MessageSendEvent::SendFundingLocked { ref node_id, ref msg } => {
                        assert_eq!(*node_id, nodes[0].node.get_our_node_id());
+                       chan_id = msg.channel_id;
                        msg.clone()
                },
-               _ => panic!("Unexpected event"),
+               _ => panic!("Unexpected event {:?}", events_4[0]),
        };
-       let bs_announcement_sigs = match events_2[1] {
+       let bs_announcement_sigs = match events_4[1] {
                MessageSendEvent::SendAnnouncementSignatures { ref node_id, ref msg } => {
                        assert_eq!(*node_id, nodes[0].node.get_our_node_id());
                        msg.clone()
                },
-               _ => panic!("Unexpected event"),
+               _ => panic!("Unexpected event {:?}", events_4[1]),
        };
+       match events_4[2] {
+               MessageSendEvent::SendChannelUpdate { ref node_id, msg: _ } => {
+                       assert_eq!(*node_id, nodes[0].node.get_our_node_id());
+               },
+               _ => panic!("Unexpected event {:?}", events_4[2]),
+       }
 
-       reconnect_nodes(&nodes[0], &nodes[1], (true, true), (0, 0), (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
+       // Re-deliver nodes[0]'s funding_locked, which nodes[1] can safely ignore. It currently
+       // generates a duplicative private channel_update
+       nodes[1].node.handle_funding_locked(&nodes[0].node.get_our_node_id(), &as_funding_locked);
+       let events_5 = nodes[1].node.get_and_clear_pending_msg_events();
+       assert_eq!(events_5.len(), 1);
+       match events_5[0] {
+               MessageSendEvent::SendChannelUpdate { ref node_id, msg: _ } => {
+                       assert_eq!(*node_id, nodes[0].node.get_our_node_id());
+               },
+               _ => panic!("Unexpected event {:?}", events_5[0]),
+       };
 
-       nodes[0].node.handle_funding_locked(&nodes[1].node.get_our_node_id(), &funding_locked);
-       nodes[0].node.handle_announcement_signatures(&nodes[1].node.get_our_node_id(), &bs_announcement_sigs);
-       let events_3 = nodes[0].node.get_and_clear_pending_msg_events();
-       assert_eq!(events_3.len(), 2);
-       let as_announcement_sigs = match events_3[0] {
+       // When we deliver nodes[1]'s funding_locked, however, nodes[0] will generate its
+       // announcement_signatures.
+       nodes[0].node.handle_funding_locked(&nodes[1].node.get_our_node_id(), &bs_funding_locked);
+       let events_6 = nodes[0].node.get_and_clear_pending_msg_events();
+       assert_eq!(events_6.len(), 1);
+       let as_announcement_sigs = match events_6[0] {
                MessageSendEvent::SendAnnouncementSignatures { ref node_id, ref msg } => {
                        assert_eq!(*node_id, nodes[1].node.get_our_node_id());
                        msg.clone()
                },
-               _ => panic!("Unexpected event"),
+               _ => panic!("Unexpected event {:?}", events_6[0]),
        };
-       let (as_announcement, as_update) = match events_3[1] {
+
+       // When we deliver nodes[1]'s announcement_signatures to nodes[0], nodes[0] should immediately
+       // broadcast the channel announcement globally, as well as re-send its (now-public)
+       // channel_update.
+       nodes[0].node.handle_announcement_signatures(&nodes[1].node.get_our_node_id(), &bs_announcement_sigs);
+       let events_7 = nodes[0].node.get_and_clear_pending_msg_events();
+       assert_eq!(events_7.len(), 1);
+       let (chan_announcement, as_update) = match events_7[0] {
                MessageSendEvent::BroadcastChannelAnnouncement { ref msg, ref update_msg } => {
                        (msg.clone(), update_msg.clone())
                },
-               _ => panic!("Unexpected event"),
+               _ => panic!("Unexpected event {:?}", events_7[0]),
        };
 
+       // Finally, deliver nodes[0]'s announcement_signatures to nodes[1] and make sure it creates the
+       // same channel_announcement.
        nodes[1].node.handle_announcement_signatures(&nodes[0].node.get_our_node_id(), &as_announcement_sigs);
-       let events_4 = nodes[1].node.get_and_clear_pending_msg_events();
-       assert_eq!(events_4.len(), 1);
-       let (_, bs_update) = match events_4[0] {
+       let events_8 = nodes[1].node.get_and_clear_pending_msg_events();
+       assert_eq!(events_8.len(), 1);
+       let bs_update = match events_8[0] {
                MessageSendEvent::BroadcastChannelAnnouncement { ref msg, ref update_msg } => {
-                       (msg.clone(), update_msg.clone())
+                       assert_eq!(*msg, chan_announcement);
+                       update_msg.clone()
                },
-               _ => panic!("Unexpected event"),
+               _ => panic!("Unexpected event {:?}", events_8[0]),
        };
 
-       nodes[0].net_graph_msg_handler.handle_channel_announcement(&as_announcement).unwrap();
+       // Provide the channel announcement and public updates to the network graph
+       nodes[0].net_graph_msg_handler.handle_channel_announcement(&chan_announcement).unwrap();
        nodes[0].net_graph_msg_handler.handle_channel_update(&bs_update).unwrap();
        nodes[0].net_graph_msg_handler.handle_channel_update(&as_update).unwrap();
 
@@ -3842,14 +3994,14 @@ fn test_funding_peer_disconnect() {
 
        reconnect_nodes(&nodes[0], &nodes[1], (false, false), (0, 0), (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
 
-       // as_announcement should be re-generated exactly by broadcast_node_announcement.
+       // The channel announcement should be re-generated exactly by broadcast_node_announcement.
        nodes[0].node.broadcast_node_announcement([0, 0, 0], [0; 32], Vec::new());
        let msgs = nodes[0].node.get_and_clear_pending_msg_events();
        let mut found_announcement = false;
        for event in msgs.iter() {
                match event {
                        MessageSendEvent::BroadcastChannelAnnouncement { ref msg, .. } => {
-                               if *msg == as_announcement { found_announcement = true; }
+                               if *msg == chan_announcement { found_announcement = true; }
                        },
                        MessageSendEvent::BroadcastNodeAnnouncement { .. } => {},
                        _ => panic!("Unexpected event"),
@@ -4125,7 +4277,14 @@ fn do_test_holding_cell_htlc_add_timeouts(forwarded_htlc: bool) {
                }
                expect_payment_failed_with_update!(nodes[0], second_payment_hash, false, chan_2.0.contents.short_channel_id, false);
        } else {
-               expect_payment_failed!(nodes[1], second_payment_hash, true);
+               let events = nodes[1].node.get_and_clear_pending_events();
+               assert_eq!(events.len(), 2);
+               if let Event::PaymentPathFailed { ref payment_hash, .. } = events[0] {
+                       assert_eq!(*payment_hash, second_payment_hash);
+               } else { panic!("Unexpected event"); }
+               if let Event::PaymentFailed { ref payment_hash, .. } = events[1] {
+                       assert_eq!(*payment_hash, second_payment_hash);
+               } else { panic!("Unexpected event"); }
        }
 }
 
@@ -5781,7 +5940,14 @@ fn do_htlc_claim_previous_remote_commitment_only(use_dust: bool, check_revoke_no
                check_added_monitors!(nodes[0], 1);
                check_closed_event!(nodes[0], 1, ClosureReason::CommitmentTxConfirmed);
        } else {
-               expect_payment_failed!(nodes[0], our_payment_hash, true);
+               let events = nodes[0].node.get_and_clear_pending_events();
+               assert_eq!(events.len(), 2);
+               if let Event::PaymentPathFailed { ref payment_hash, .. } = events[0] {
+                       assert_eq!(*payment_hash, our_payment_hash);
+               } else { panic!("Unexpected event"); }
+               if let Event::PaymentFailed { ref payment_hash, .. } = events[1] {
+                       assert_eq!(*payment_hash, our_payment_hash);
+               } else { panic!("Unexpected event"); }
        }
 }
 
@@ -7089,7 +7255,7 @@ fn test_user_configurable_csv_delay() {
        nodes[1].node.create_channel(nodes[0].node.get_our_node_id(), 1000000, 1000000, 42, None).unwrap();
        let mut open_channel = get_event_msg!(nodes[1], MessageSendEvent::SendOpenChannel, nodes[0].node.get_our_node_id());
        open_channel.to_self_delay = 200;
-       if let Err(error) = Channel::new_from_req(&&test_utils::TestFeeEstimator { sat_per_kw: Mutex::new(253) }, &nodes[0].keys_manager, nodes[1].node.get_our_node_id(), &InitFeatures::known(), &open_channel, 0, &low_our_to_self_config, 0) {
+       if let Err(error) = Channel::new_from_req(&&test_utils::TestFeeEstimator { sat_per_kw: Mutex::new(253) }, &nodes[0].keys_manager, nodes[1].node.get_our_node_id(), &InitFeatures::known(), &open_channel, 0, &low_our_to_self_config, 0, &nodes[0].logger) {
                match error {
                        ChannelError::Close(err) => { assert!(regex::Regex::new(r"Configured with an unreasonable our_to_self_delay \(\d+\) putting user funds at risks").unwrap().is_match(err.as_str()));  },
                        _ => panic!("Unexpected event"),
@@ -7118,7 +7284,7 @@ fn test_user_configurable_csv_delay() {
        nodes[1].node.create_channel(nodes[0].node.get_our_node_id(), 1000000, 1000000, 42, None).unwrap();
        let mut open_channel = get_event_msg!(nodes[1], MessageSendEvent::SendOpenChannel, nodes[0].node.get_our_node_id());
        open_channel.to_self_delay = 200;
-       if let Err(error) = Channel::new_from_req(&&test_utils::TestFeeEstimator { sat_per_kw: Mutex::new(253) }, &nodes[0].keys_manager, nodes[1].node.get_our_node_id(), &InitFeatures::known(), &open_channel, 0, &high_their_to_self_config, 0) {
+       if let Err(error) = Channel::new_from_req(&&test_utils::TestFeeEstimator { sat_per_kw: Mutex::new(253) }, &nodes[0].keys_manager, nodes[1].node.get_our_node_id(), &InitFeatures::known(), &open_channel, 0, &high_their_to_self_config, 0, &nodes[0].logger) {
                match error {
                        ChannelError::Close(err) => { assert!(regex::Regex::new(r"They wanted our payments to be delayed by a needlessly long period\. Upper limit: \d+\. Actual: \d+").unwrap().is_match(err.as_str())); },
                        _ => panic!("Unexpected event"),
@@ -7313,9 +7479,9 @@ fn test_announce_disable_channels() {
        let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
        let nodes = create_network(2, &node_cfgs, &node_chanmgrs);
 
-       let short_id_1 = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known()).0.contents.short_channel_id;
-       let short_id_2 = create_announced_chan_between_nodes(&nodes, 1, 0, InitFeatures::known(), InitFeatures::known()).0.contents.short_channel_id;
-       let short_id_3 = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known()).0.contents.short_channel_id;
+       create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known());
+       create_announced_chan_between_nodes(&nodes, 1, 0, InitFeatures::known(), InitFeatures::known());
+       create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known());
 
        // Disconnect peers
        nodes[0].node.peer_disconnected(&nodes[1].node.get_our_node_id(), false);
@@ -7325,13 +7491,13 @@ fn test_announce_disable_channels() {
        nodes[0].node.timer_tick_occurred(); // DisabledStaged -> Disabled
        let msg_events = nodes[0].node.get_and_clear_pending_msg_events();
        assert_eq!(msg_events.len(), 3);
-       let mut chans_disabled: HashSet<u64> = [short_id_1, short_id_2, short_id_3].iter().map(|a| *a).collect();
+       let mut chans_disabled = HashMap::new();
        for e in msg_events {
                match e {
                        MessageSendEvent::BroadcastChannelUpdate { ref msg } => {
                                assert_eq!(msg.contents.flags & (1<<1), 1<<1); // The "channel disabled" bit should be set
                                // Check that each channel gets updated exactly once
-                               if !chans_disabled.remove(&msg.contents.short_channel_id) {
+                               if chans_disabled.insert(msg.contents.short_channel_id, msg.contents.timestamp).is_some() {
                                        panic!("Generated ChannelUpdate for wrong chan!");
                                }
                        },
@@ -7367,19 +7533,22 @@ fn test_announce_disable_channels() {
        nodes[0].node.timer_tick_occurred();
        let msg_events = nodes[0].node.get_and_clear_pending_msg_events();
        assert_eq!(msg_events.len(), 3);
-       chans_disabled = [short_id_1, short_id_2, short_id_3].iter().map(|a| *a).collect();
        for e in msg_events {
                match e {
                        MessageSendEvent::BroadcastChannelUpdate { ref msg } => {
                                assert_eq!(msg.contents.flags & (1<<1), 0); // The "channel disabled" bit should be off
-                               // Check that each channel gets updated exactly once
-                               if !chans_disabled.remove(&msg.contents.short_channel_id) {
-                                       panic!("Generated ChannelUpdate for wrong chan!");
+                               match chans_disabled.remove(&msg.contents.short_channel_id) {
+                                       // Each update should have a higher timestamp than the previous one, replacing
+                                       // the old one.
+                                       Some(prev_timestamp) => assert!(msg.contents.timestamp > prev_timestamp),
+                                       None => panic!("Generated ChannelUpdate for wrong chan!"),
                                }
                        },
                        _ => panic!("Unexpected event"),
                }
        }
+       // Check that each channel gets updated exactly once
+       assert!(chans_disabled.is_empty());
 }
 
 #[test]
@@ -8114,7 +8283,7 @@ fn test_preimage_storage() {
        create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known()).0.contents.short_channel_id;
 
        {
-               let (payment_hash, payment_secret) = nodes[1].node.create_inbound_payment(Some(100_000), 7200);
+               let (payment_hash, payment_secret) = nodes[1].node.create_inbound_payment(Some(100_000), 7200).unwrap();
                let (route, _, _, _) = get_route_and_payment_hash!(nodes[0], nodes[1], 100_000);
                nodes[0].node.send_payment(&route, payment_hash, &Some(payment_secret)).unwrap();
                check_added_monitors!(nodes[0], 1);
@@ -8142,8 +8311,10 @@ fn test_preimage_storage() {
 }
 
 #[test]
+#[allow(deprecated)]
 fn test_secret_timeout() {
-       // Simple test of payment secret storage time outs
+       // Simple test of payment secret storage time outs. After
+       // `create_inbound_payment(_for_hash)_legacy` is removed, this test will be removed as well.
        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]);
@@ -8151,11 +8322,11 @@ fn test_secret_timeout() {
 
        create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known()).0.contents.short_channel_id;
 
-       let (payment_hash, payment_secret_1) = nodes[1].node.create_inbound_payment(Some(100_000), 2);
+       let (payment_hash, payment_secret_1) = nodes[1].node.create_inbound_payment_legacy(Some(100_000), 2).unwrap();
 
        // We should fail to register the same payment hash twice, at least until we've connected a
        // block with time 7200 + CHAN_CONFIRM_DEPTH + 1.
-       if let Err(APIError::APIMisuseError { err }) = nodes[1].node.create_inbound_payment_for_hash(payment_hash, Some(100_000), 2) {
+       if let Err(APIError::APIMisuseError { err }) = nodes[1].node.create_inbound_payment_for_hash_legacy(payment_hash, Some(100_000), 2) {
                assert_eq!(err, "Duplicate payment hash");
        } else { panic!(); }
        let mut block = {
@@ -8170,7 +8341,7 @@ fn test_secret_timeout() {
                }
        };
        connect_block(&nodes[1], &block);
-       if let Err(APIError::APIMisuseError { err }) = nodes[1].node.create_inbound_payment_for_hash(payment_hash, Some(100_000), 2) {
+       if let Err(APIError::APIMisuseError { err }) = nodes[1].node.create_inbound_payment_for_hash_legacy(payment_hash, Some(100_000), 2) {
                assert_eq!(err, "Duplicate payment hash");
        } else { panic!(); }
 
@@ -8179,7 +8350,7 @@ fn test_secret_timeout() {
        block.header.prev_blockhash = block.header.block_hash();
        block.header.time += 1;
        connect_block(&nodes[1], &block);
-       let our_payment_secret = nodes[1].node.create_inbound_payment_for_hash(payment_hash, Some(100_000), 2).unwrap();
+       let our_payment_secret = nodes[1].node.create_inbound_payment_for_hash_legacy(payment_hash, Some(100_000), 2).unwrap();
        assert_ne!(payment_secret_1, our_payment_secret);
 
        {
@@ -8218,7 +8389,7 @@ fn test_bad_secret_hash() {
 
        let random_payment_hash = PaymentHash([42; 32]);
        let random_payment_secret = PaymentSecret([43; 32]);
-       let (our_payment_hash, our_payment_secret) = nodes[1].node.create_inbound_payment(Some(100_000), 2);
+       let (our_payment_hash, our_payment_secret) = nodes[1].node.create_inbound_payment(Some(100_000), 2).unwrap();
        let (route, _, _, _) = get_route_and_payment_hash!(nodes[0], nodes[1], 100_000);
 
        // All the below cases should end up being handled exactly identically, so we macro the