Add test for only creating tlv format onions
[rust-lightning] / lightning / src / ln / onion_route_tests.rs
index c66f45a44923b596e1e31ac0a08d2ee531826128..a26e68e728212054fafe3b67559e697063579b0f 100644 (file)
 //! These tests work by standing up full nodes and route payments across the network, checking the
 //! returned errors decode to the correct thing.
 
-use chain::channelmonitor::{ChannelMonitor, CLTV_CLAIM_BUFFER, LATENCY_GRACE_PERIOD_BLOCKS};
-use chain::keysinterface::{KeysInterface, Recipient};
-use ln::{PaymentHash, PaymentSecret};
-use ln::channel::EXPIRE_PREV_CONFIG_TICKS;
-use ln::channelmanager::{ChannelManager, ChannelManagerReadArgs, HTLCForwardInfo, CLTV_FAR_FAR_AWAY, MIN_CLTV_EXPIRY_DELTA, PendingHTLCInfo, PendingHTLCRouting};
-use ln::onion_utils;
-use routing::gossip::{NetworkUpdate, RoutingFees, NodeId};
-use routing::router::{get_route, PaymentParameters, Route, RouteHint, RouteHintHop};
-use ln::features::{InitFeatures, InvoiceFeatures, NodeFeatures};
-use ln::msgs;
-use ln::msgs::{ChannelMessageHandler, ChannelUpdate, OptionalField};
-use ln::wire::Encode;
-use util::events::{Event, MessageSendEvent, MessageSendEventsProvider};
-use util::ser::{ReadableArgs, Writeable, Writer};
-use util::{byte_utils, test_utils};
-use util::config::{UserConfig, ChannelConfig};
-use util::errors::APIError;
+use crate::chain::channelmonitor::{ChannelMonitor, CLTV_CLAIM_BUFFER, LATENCY_GRACE_PERIOD_BLOCKS};
+use crate::chain::keysinterface::{KeysInterface, Recipient};
+use crate::ln::{PaymentHash, PaymentSecret};
+use crate::ln::channel::EXPIRE_PREV_CONFIG_TICKS;
+use crate::ln::channelmanager::{self, ChannelManager, ChannelManagerReadArgs, HTLCForwardInfo, CLTV_FAR_FAR_AWAY, MIN_CLTV_EXPIRY_DELTA, PendingHTLCInfo, PendingHTLCRouting};
+use crate::ln::onion_utils;
+use crate::routing::gossip::{NetworkUpdate, RoutingFees};
+use crate::routing::router::{get_route, PaymentParameters, Route, RouteHint, RouteHintHop};
+use crate::ln::features::{InitFeatures, InvoiceFeatures};
+use crate::ln::msgs;
+use crate::ln::msgs::{ChannelMessageHandler, ChannelUpdate};
+use crate::ln::wire::Encode;
+use crate::util::events::{Event, HTLCDestination, MessageSendEvent, MessageSendEventsProvider};
+use crate::util::ser::{ReadableArgs, Writeable, Writer};
+use crate::util::{byte_utils, test_utils};
+use crate::util::config::{UserConfig, ChannelConfig};
+use crate::util::errors::APIError;
 
 use bitcoin::hash_types::BlockHash;
 
@@ -38,11 +38,11 @@ use bitcoin::secp256k1;
 use bitcoin::secp256k1::Secp256k1;
 use bitcoin::secp256k1::{PublicKey, SecretKey};
 
-use io;
-use prelude::*;
+use crate::io;
+use crate::prelude::*;
 use core::default::Default;
 
-use ln::functional_test_utils::*;
+use crate::ln::functional_test_utils::*;
 
 fn run_onion_failure_test<F1,F2>(_name: &str, test_case: u8, nodes: &Vec<Node>, route: &Route, payment_hash: &PaymentHash, payment_secret: &PaymentSecret, callback_msg: F1, callback_node: F2, expected_retryable: bool, expected_error_code: Option<u16>, expected_channel_update: Option<NetworkUpdate>, expected_short_channel_id: Option<u64>)
        where F1: for <'a> FnMut(&'a mut msgs::UpdateAddHTLC),
@@ -126,7 +126,7 @@ fn run_onion_failure_test_with_fail_intercept<F1,F2,F3>(_name: &str, test_case:
                                expect_htlc_forward!(&nodes[2]);
                                expect_event!(&nodes[2], Event::PaymentReceived);
                                callback_node();
-                               expect_pending_htlcs_forwardable!(nodes[2]);
+                               expect_pending_htlcs_forwardable_and_htlc_handling_failed!(nodes[2], vec![HTLCDestination::FailedPayment { payment_hash: payment_hash.clone() }]);
                        }
 
                        let update_2_1 = get_htlc_update_msgs!(nodes[2], nodes[1].node.get_our_node_id());
@@ -167,8 +167,8 @@ fn run_onion_failure_test_with_fail_intercept<F1,F2,F3>(_name: &str, test_case:
 
        let events = nodes[0].node.get_and_clear_pending_events();
        assert_eq!(events.len(), 1);
-       if let &Event::PaymentPathFailed { ref rejected_by_dest, ref network_update, ref all_paths_failed, ref short_channel_id, ref error_code, .. } = &events[0] {
-               assert_eq!(*rejected_by_dest, !expected_retryable);
+       if let &Event::PaymentPathFailed { ref payment_failed_permanently, ref network_update, ref all_paths_failed, ref short_channel_id, ref error_code, .. } = &events[0] {
+               assert_eq!(*payment_failed_permanently, !expected_retryable);
                assert_eq!(*all_paths_failed, true);
                assert_eq!(*error_code, expected_error_code);
                if expected_channel_update.is_some() {
@@ -227,7 +227,7 @@ impl msgs::ChannelUpdate {
                                flags: 0,
                                cltv_expiry_delta: 0,
                                htlc_minimum_msat: 0,
-                               htlc_maximum_msat: OptionalField::Absent,
+                               htlc_maximum_msat: msgs::MAX_VALUE_MSAT,
                                fee_base_msat: 0,
                                fee_proportional_millionths: 0,
                                excess_data: vec![],
@@ -270,7 +270,7 @@ fn test_fee_failures() {
        let node_cfgs = create_node_cfgs(3, &chanmon_cfgs);
        let node_chanmgrs = create_node_chanmgrs(3, &node_cfgs, &[Some(config), Some(config), Some(config)]);
        let mut nodes = create_network(3, &node_cfgs, &node_chanmgrs);
-       let channels = [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 channels = [create_announced_chan_between_nodes(&nodes, 0, 1, channelmanager::provided_init_features(), channelmanager::provided_init_features()), create_announced_chan_between_nodes(&nodes, 1, 2, channelmanager::provided_init_features(), channelmanager::provided_init_features())];
 
        // positive case
        let (route, payment_hash_success, payment_preimage_success, payment_secret_success) = get_route_and_payment_hash!(nodes[0], nodes[2], 40_000);
@@ -322,7 +322,7 @@ fn test_onion_failure() {
        let node_cfgs = create_node_cfgs(3, &chanmon_cfgs);
        let node_chanmgrs = create_node_chanmgrs(3, &node_cfgs, &[Some(config), Some(config), Some(node_2_cfg)]);
        let mut nodes = create_network(3, &node_cfgs, &node_chanmgrs);
-       let channels = [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 channels = [create_announced_chan_between_nodes(&nodes, 0, 1, channelmanager::provided_init_features(), channelmanager::provided_init_features()), create_announced_chan_between_nodes(&nodes, 1, 2, channelmanager::provided_init_features(), channelmanager::provided_init_features())];
        for node in nodes.iter() {
                *node.keys_manager.override_random_bytes.lock().unwrap() = Some([3; 32]);
        }
@@ -344,7 +344,7 @@ fn test_onion_failure() {
                // break the first (non-final) hop payload by swapping the realm (0) byte for a byte
                // describing a length-1 TLV payload, which is obviously bogus.
                new_payloads[0].data[0] = 1;
-               msg.onion_routing_packet = onion_utils::construct_onion_packet_bogus_hopdata(new_payloads, onion_keys, [0; 32], &payment_hash);
+               msg.onion_routing_packet = onion_utils::construct_onion_packet_with_writable_hopdata(new_payloads, onion_keys, [0; 32], &payment_hash);
        }, ||{}, true, Some(PERM|22), Some(NetworkUpdate::ChannelFailure{short_channel_id, is_permanent: true}), Some(short_channel_id));
 
        // final node failure
@@ -361,7 +361,7 @@ fn test_onion_failure() {
                // break the last-hop payload by swapping the realm (0) byte for a byte describing a
                // length-1 TLV payload, which is obviously bogus.
                new_payloads[1].data[0] = 1;
-               msg.onion_routing_packet = onion_utils::construct_onion_packet_bogus_hopdata(new_payloads, onion_keys, [0; 32], &payment_hash);
+               msg.onion_routing_packet = onion_utils::construct_onion_packet_with_writable_hopdata(new_payloads, onion_keys, [0; 32], &payment_hash);
        }, ||{}, false, Some(PERM|22), Some(NetworkUpdate::ChannelFailure{short_channel_id, is_permanent: true}), Some(short_channel_id));
 
        // the following three with run_onion_failure_test_with_fail_intercept() test only the origin node
@@ -540,7 +540,7 @@ fn test_onion_failure() {
        }, || {}, true, Some(17), None, None);
 
        run_onion_failure_test("final_incorrect_cltv_expiry", 1, &nodes, &route, &payment_hash, &payment_secret, |_| {}, || {
-               for (_, pending_forwards) in nodes[1].node.channel_state.lock().unwrap().forward_htlcs.iter_mut() {
+               for (_, pending_forwards) in nodes[1].node.forward_htlcs.lock().unwrap().iter_mut() {
                        for f in pending_forwards.iter_mut() {
                                match f {
                                        &mut HTLCForwardInfo::AddHTLC { ref mut forward_info, .. } =>
@@ -553,7 +553,7 @@ fn test_onion_failure() {
 
        run_onion_failure_test("final_incorrect_htlc_amount", 1, &nodes, &route, &payment_hash, &payment_secret, |_| {}, || {
                // violate amt_to_forward > msg.amount_msat
-               for (_, pending_forwards) in nodes[1].node.channel_state.lock().unwrap().forward_htlcs.iter_mut() {
+               for (_, pending_forwards) in nodes[1].node.forward_htlcs.lock().unwrap().iter_mut() {
                        for f in pending_forwards.iter_mut() {
                                match f {
                                        &mut HTLCForwardInfo::AddHTLC { ref mut forward_info, .. } =>
@@ -607,16 +607,16 @@ fn do_test_onion_failure_stale_channel_update(announced_channel: bool) {
        let mut nodes = create_network(3, &node_cfgs, &node_chanmgrs);
 
        let other_channel = create_chan_between_nodes(
-               &nodes[0], &nodes[1], InitFeatures::known(), InitFeatures::known(),
+               &nodes[0], &nodes[1], channelmanager::provided_init_features(), channelmanager::provided_init_features(),
        );
        let channel_to_update = if announced_channel {
                let channel = create_announced_chan_between_nodes(
-                       &nodes, 1, 2, InitFeatures::known(), InitFeatures::known(),
+                       &nodes, 1, 2, channelmanager::provided_init_features(), channelmanager::provided_init_features(),
                );
                (channel.2, channel.0.contents.short_channel_id)
        } else {
                let channel = create_unannounced_chan_between_nodes_with_value(
-                       &nodes, 1, 2, 100000, 10001, InitFeatures::known(), InitFeatures::known(),
+                       &nodes, 1, 2, 100000, 10001, channelmanager::provided_init_features(), channelmanager::provided_init_features(),
                );
                (channel.0.channel_id, channel.0.short_channel_id_alias.unwrap())
        };
@@ -641,7 +641,7 @@ fn do_test_onion_failure_stale_channel_update(announced_channel: bool) {
                        htlc_minimum_msat: None,
                }])];
                let payment_params = PaymentParameters::from_node_id(*channel_to_update_counterparty)
-                       .with_features(InvoiceFeatures::known())
+                       .with_features(channelmanager::provided_invoice_features())
                        .with_route_hints(hop_hints);
                get_route_and_payment_hash!(nodes[0], nodes[2], payment_params, PAYMENT_AMT, TEST_FINAL_CLTV)
        };
@@ -791,164 +791,52 @@ fn test_onion_failure_stale_channel_update() {
 }
 
 #[test]
-fn test_default_to_onion_payload_tlv_format() {
-       // Tests that we default to creating tlv format onion payloads when no `NodeAnnouncementInfo`
-       // `features` for a node in the `network_graph` exists, or when the node isn't in the
-       // `network_graph`, and no other known `features` for the node exists.
-       let mut priv_channels_conf = UserConfig::default();
-       priv_channels_conf.channel_handshake_config.announced_channel = false;
-       let chanmon_cfgs = create_chanmon_cfgs(5);
-       let node_cfgs = create_node_cfgs(5, &chanmon_cfgs);
-       let node_chanmgrs = create_node_chanmgrs(5, &node_cfgs, &[None, None, None, None, Some(priv_channels_conf)]);
-       let mut nodes = create_network(5, &node_cfgs, &node_chanmgrs);
-
-       create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known());
-       create_announced_chan_between_nodes(&nodes, 1, 2, InitFeatures::known(), InitFeatures::known());
-       create_announced_chan_between_nodes(&nodes, 2, 3, InitFeatures::known(), InitFeatures::known());
-       create_unannounced_chan_between_nodes_with_value(&nodes, 3, 4, 100000, 10001, InitFeatures::known(), InitFeatures::known());
-
-       let payment_params = PaymentParameters::from_node_id(nodes[3].node.get_our_node_id());
-       let origin_node = &nodes[0];
-       let network_graph = origin_node.network_graph;
-
-       // Clears all the `NodeAnnouncementInfo` for all nodes of `nodes[0]`'s `network_graph`, so that
-       // their `features` aren't used when creating the `route`.
-       network_graph.clear_nodes_announcement_info();
-
-       let (announced_route, _, _, _) = get_route_and_payment_hash!(
-               origin_node, nodes[3], payment_params, 10_000, TEST_FINAL_CLTV);
-
-       let hops = &announced_route.paths[0];
-       // Assert that the hop between `nodes[1]` and `nodes[2]` defaults to supporting variable length
-       // onions, as `nodes[0]` has no `NodeAnnouncementInfo` `features` for `node[2]`
-       assert!(hops[1].node_features.supports_variable_length_onion());
-       // Assert that the hop between `nodes[2]` and `nodes[3]` defaults to supporting variable length
-       // onions, as `nodes[0]` has no `NodeAnnouncementInfo` `features` for `node[3]`, and no `InvoiceFeatures`
-       // for the `payment_params`, which would otherwise have been used.
-       assert!(hops[2].node_features.supports_variable_length_onion());
-       // Note that we do not assert that `hops[0]` (the channel between `nodes[0]` and `nodes[1]`)
-       // supports variable length onions, as the `InitFeatures` exchanged in the init message
-       // between the nodes will be used when creating the route. We therefore do not default to
-       // supporting variable length onions for that hop, as the `InitFeatures` in this case are
-       // `InitFeatures::known()`.
-
-       let unannounced_chan = &nodes[4].node.list_usable_channels()[0];
-
-       let last_hop = RouteHint(vec![RouteHintHop {
-               src_node_id: nodes[3].node.get_our_node_id(),
-               short_channel_id: unannounced_chan.short_channel_id.unwrap(),
-               fees: RoutingFees {
-                       base_msat: 0,
-                       proportional_millionths: 0,
-               },
-               cltv_expiry_delta: 42,
-               htlc_minimum_msat: None,
-               htlc_maximum_msat: None,
-       }]);
-
-       let unannounced_chan_params = PaymentParameters::from_node_id(nodes[4].node.get_our_node_id()).with_route_hints(vec![last_hop]);
-       let (unannounced_route, _, _, _) = get_route_and_payment_hash!(
-               origin_node, nodes[4], unannounced_chan_params, 10_000, TEST_FINAL_CLTV);
-
-       let unannounced_chan_hop = &unannounced_route.paths[0][3];
-       // Ensure that `nodes[4]` doesn't exist in `nodes[0]`'s `network_graph`, as it's not public.
-       assert!(&network_graph.read_only().nodes().get(&NodeId::from_pubkey(&nodes[4].node.get_our_node_id())).is_none());
-       // Assert that the hop between `nodes[3]` and `nodes[4]` defaults to supporting variable length
-       // onions, even though `nodes[4]` as `nodes[0]` doesn't exists in `nodes[0]`'s `network_graph`,
-       // and no `InvoiceFeatures` for the `payment_params` exists, which would otherwise have been
-       // used.
-       assert!(unannounced_chan_hop.node_features.supports_variable_length_onion());
-
-       let cur_height = nodes[0].best_block_info().1 + 1;
-       let (announced_route_payloads, _htlc_msat, _htlc_cltv) = onion_utils::build_onion_payloads(&announced_route.paths[0], 40000, &None, cur_height, &None).unwrap();
-       let (unannounced_route_paylods, _htlc_msat, _htlc_cltv) = onion_utils::build_onion_payloads(&unannounced_route.paths[0], 40000, &None, cur_height, &None).unwrap();
-
-       for onion_payloads in vec![announced_route_payloads, unannounced_route_paylods] {
-               for onion_payload in onion_payloads.iter() {
-                       match onion_payload.format {
-                               msgs::OnionHopDataFormat::Legacy {..} => {
-                                       panic!("Generated a `msgs::OnionHopDataFormat::Legacy` payload, even though that shouldn't have happend.");
-                               }
-                               _ => {}
-                       }
-               }
-       }
-}
+fn test_always_create_tlv_format_onion_payloads() {
+       // Verify that we always generate tlv onion format payloads, even if the features specifically
+       // specifies no support for variable length onions, as the legacy payload format has been
+       // deprecated in BOLT4.
+       let chanmon_cfgs = create_chanmon_cfgs(3);
+       let mut node_cfgs = create_node_cfgs(3, &chanmon_cfgs);
 
-#[test]
-fn test_do_not_default_to_onion_payload_tlv_format_when_unsupported() {
-       // Tests that we do not default to creating tlv onions if either of these types features
-       // exists, which specifies no support for variable length onions for a specific hop, when
-       // creating a route:
-       // 1. `InitFeatures` to the counterparty node exchanged with the init message to the node.
-       // 2. `NodeFeatures` in the `NodeAnnouncementInfo` of a node in sender node's `network_graph`.
-       // 3. `InvoiceFeatures` specified by the receiving node, when no `NodeAnnouncementInfo`
-       // `features` exists for the receiver in the sender's `network_graph`.
-       let chanmon_cfgs = create_chanmon_cfgs(4);
-       let mut node_cfgs = create_node_cfgs(4, &chanmon_cfgs);
-
-       // Set `node[1]` config to `InitFeatures::empty()` which return `false` for
+       // Set `node[1]`'s config features to features which return `false` for
        // `supports_variable_length_onion()`
+       let mut no_variable_length_onion_features = InitFeatures::empty();
+       no_variable_length_onion_features.set_static_remote_key_required();
        let mut node_1_cfg = &mut node_cfgs[1];
-       node_1_cfg.features = InitFeatures::empty();
+       node_1_cfg.features = no_variable_length_onion_features;
 
-       let node_chanmgrs = create_node_chanmgrs(4, &node_cfgs, &[None, None, None, None]);
-       let mut nodes = create_network(4, &node_cfgs, &node_chanmgrs);
+       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());
-       create_announced_chan_between_nodes(&nodes, 1, 2, InitFeatures::known(), InitFeatures::known());
-       create_announced_chan_between_nodes(&nodes, 2, 3, InitFeatures::known(), InitFeatures::known());
+       create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::empty(), InitFeatures::empty());
+       create_announced_chan_between_nodes(&nodes, 1, 2, InitFeatures::empty(), InitFeatures::empty());
 
-       let payment_params = PaymentParameters::from_node_id(nodes[3].node.get_our_node_id())
+       let payment_params = PaymentParameters::from_node_id(nodes[2].node.get_our_node_id())
                .with_features(InvoiceFeatures::empty());
-       let origin_node = &nodes[0];
-       let network_graph = origin_node.network_graph;
-       network_graph.clear_nodes_announcement_info();
-
-       // Set `NodeAnnouncementInfo` `features` which do not support variable length onions for
-       // `nodes[2]` in `nodes[0]`'s `network_graph`.
-       let nodes_2_unsigned_node_announcement = msgs::UnsignedNodeAnnouncement {
-               features: NodeFeatures::empty(),
-               timestamp: 0,
-               node_id: nodes[2].node.get_our_node_id(),
-               rgb: [32; 3],
-               alias: [16;32],
-               addresses: Vec::new(),
-               excess_address_data: Vec::new(),
-               excess_data: Vec::new(),
-       };
-       let _res = network_graph.update_node_from_unsigned_announcement(&nodes_2_unsigned_node_announcement);
-
-       let (route, _, _, _) = get_route_and_payment_hash!(
-               origin_node, nodes[3], payment_params, 10_000, TEST_FINAL_CLTV);
+       let (route, _payment_hash, _payment_preimage, _payment_secret) = get_route_and_payment_hash!(nodes[0], nodes[2], payment_params, 40000, TEST_FINAL_CLTV);
 
        let hops = &route.paths[0];
-
-       // Assert that the hop between `nodes[0]` and `nodes[1]` doesn't support variable length
-       // onions, as as the `InitFeatures` exchanged (`InitFeatures::empty()`) in the init message
-       // between the nodes when setting up the channel is used when creating the `route` and that we
-       // therefore do not default to supporting variable length onions. Despite `nodes[0]` having no
-       // `NodeAnnouncementInfo` `features` for `node[1]`.
+       // Asserts that the first hop to `node[1]` signals no support for variable length onions.
        assert!(!hops[0].node_features.supports_variable_length_onion());
-       // Assert that the hop between `nodes[1]` and `nodes[2]` uses the `features` from
-       // `nodes_2_unsigned_node_announcement` that doesn't support variable length onions.
+       // Asserts that the first hop to `node[1]` signals no support for variable length onions.
        assert!(!hops[1].node_features.supports_variable_length_onion());
-       // Assert that the hop between `nodes[2]` and `nodes[3]` uses the `InvoiceFeatures` set to the
-       // `payment_params`, that doesn't support variable length onions. We therefore do not end up
-       // defaulting to supporting variable length onions, despite `nodes[0]` having no
-       // `NodeAnnouncementInfo` `features` for `node[3]`.
-       assert!(!hops[2].node_features.supports_variable_length_onion());
 
        let cur_height = nodes[0].best_block_info().1 + 1;
        let (onion_payloads, _htlc_msat, _htlc_cltv) = onion_utils::build_onion_payloads(&route.paths[0], 40000, &None, cur_height, &None).unwrap();
 
-       for onion_payload in onion_payloads.iter() {
-               match onion_payload.format {
-                       msgs::OnionHopDataFormat::Legacy {..} => {}
-                       _ => {
-                               panic!("Should have only have generated `msgs::OnionHopDataFormat::Legacy` payloads");
-                       }
-               }
+       match onion_payloads[0].format {
+               msgs::OnionHopDataFormat::NonFinalNode {..} => {},
+               _ => { panic!(
+                       "Should have generated a `msgs::OnionHopDataFormat::NonFinalNode` payload for `hops[0]`,
+                       despite that the features signals no support for variable length onions"
+               )}
+       }
+       match onion_payloads[1].format {
+               msgs::OnionHopDataFormat::FinalNode {..} => {},
+               _ => {panic!(
+                       "Should have generated a `msgs::OnionHopDataFormat::FinalNode` payload for `hops[1]`,
+                       despite that the features signals no support for variable length onions"
+               )}
        }
 }
 
@@ -959,7 +847,7 @@ macro_rules! get_phantom_route {
                let phantom_pubkey = PublicKey::from_secret_key(&secp_ctx, &phantom_secret);
                let phantom_route_hint = $nodes[1].node.get_phantom_route_hints();
                let payment_params = PaymentParameters::from_node_id(phantom_pubkey)
-                       .with_features(InvoiceFeatures::known())
+                       .with_features(channelmanager::provided_invoice_features())
                        .with_route_hints(vec![RouteHint(vec![
                                        RouteHintHop {
                                                src_node_id: $nodes[0].node.get_our_node_id(),
@@ -1001,7 +889,7 @@ fn test_phantom_onion_hmac_failure() {
        let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
        let nodes = create_network(2, &node_cfgs, &node_chanmgrs);
 
-       let channel = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known());
+       let channel = create_announced_chan_between_nodes(&nodes, 0, 1, channelmanager::provided_init_features(), channelmanager::provided_init_features());
 
        // Get the route.
        let recv_value_msat = 10_000;
@@ -1019,8 +907,8 @@ fn test_phantom_onion_hmac_failure() {
 
        // Modify the payload so the phantom hop's HMAC is bogus.
        let sha256_of_onion = {
-               let mut channel_state = nodes[1].node.channel_state.lock().unwrap();
-               let mut pending_forward = channel_state.forward_htlcs.get_mut(&phantom_scid).unwrap();
+               let mut forward_htlcs = nodes[1].node.forward_htlcs.lock().unwrap();
+               let mut pending_forward = forward_htlcs.get_mut(&phantom_scid).unwrap();
                match pending_forward[0] {
                        HTLCForwardInfo::AddHTLC {
                                forward_info: PendingHTLCInfo {
@@ -1036,7 +924,7 @@ fn test_phantom_onion_hmac_failure() {
        };
        expect_pending_htlcs_forwardable_ignore!(nodes[1]);
        nodes[1].node.process_pending_htlc_forwards();
-       expect_pending_htlcs_forwardable_ignore!(nodes[1]);
+       expect_pending_htlcs_forwardable_and_htlc_handling_failed_ignore!(nodes[1], vec![HTLCDestination::FailedPayment { payment_hash }]);
        nodes[1].node.process_pending_htlc_forwards();
        let update_1 = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
        check_added_monitors!(&nodes[1], 1);
@@ -1060,7 +948,7 @@ fn test_phantom_invalid_onion_payload() {
        let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
        let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
 
-       let channel = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known());
+       let channel = create_announced_chan_between_nodes(&nodes, 0, 1, channelmanager::provided_init_features(), channelmanager::provided_init_features());
 
        // Get the route.
        let recv_value_msat = 10_000;
@@ -1079,7 +967,7 @@ fn test_phantom_invalid_onion_payload() {
        commitment_signed_dance!(nodes[1], nodes[0], &update_0.commitment_signed, false, true);
 
        // Modify the onion packet to have an invalid payment amount.
-       for (_, pending_forwards) in nodes[1].node.channel_state.lock().unwrap().forward_htlcs.iter_mut() {
+       for (_, pending_forwards) in nodes[1].node.forward_htlcs.lock().unwrap().iter_mut() {
                for f in pending_forwards.iter_mut() {
                        match f {
                                &mut HTLCForwardInfo::AddHTLC {
@@ -1108,7 +996,7 @@ fn test_phantom_invalid_onion_payload() {
        }
        expect_pending_htlcs_forwardable_ignore!(nodes[1]);
        nodes[1].node.process_pending_htlc_forwards();
-       expect_pending_htlcs_forwardable_ignore!(nodes[1]);
+       expect_pending_htlcs_forwardable_and_htlc_handling_failed_ignore!(nodes[1], vec![HTLCDestination::FailedPayment { payment_hash }]);
        nodes[1].node.process_pending_htlc_forwards();
        let update_1 = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
        check_added_monitors!(&nodes[1], 1);
@@ -1133,7 +1021,7 @@ fn test_phantom_final_incorrect_cltv_expiry() {
        let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
        let nodes = create_network(2, &node_cfgs, &node_chanmgrs);
 
-       let channel = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known());
+       let channel = create_announced_chan_between_nodes(&nodes, 0, 1, channelmanager::provided_init_features(), channelmanager::provided_init_features());
 
        // Get the route.
        let recv_value_msat = 10_000;
@@ -1150,7 +1038,7 @@ fn test_phantom_final_incorrect_cltv_expiry() {
        commitment_signed_dance!(nodes[1], nodes[0], &update_0.commitment_signed, false, true);
 
        // Modify the payload so the phantom hop's HMAC is bogus.
-       for (_, pending_forwards) in nodes[1].node.channel_state.lock().unwrap().forward_htlcs.iter_mut() {
+       for (_, pending_forwards) in nodes[1].node.forward_htlcs.lock().unwrap().iter_mut() {
                for f in pending_forwards.iter_mut() {
                        match f {
                                &mut HTLCForwardInfo::AddHTLC {
@@ -1164,7 +1052,7 @@ fn test_phantom_final_incorrect_cltv_expiry() {
        }
        expect_pending_htlcs_forwardable_ignore!(nodes[1]);
        nodes[1].node.process_pending_htlc_forwards();
-       expect_pending_htlcs_forwardable_ignore!(nodes[1]);
+       expect_pending_htlcs_forwardable_and_htlc_handling_failed_ignore!(nodes[1], vec![HTLCDestination::FailedPayment { payment_hash }]);
        nodes[1].node.process_pending_htlc_forwards();
        let update_1 = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
        check_added_monitors!(&nodes[1], 1);
@@ -1189,7 +1077,7 @@ fn test_phantom_failure_too_low_cltv() {
        let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
        let nodes = create_network(2, &node_cfgs, &node_chanmgrs);
 
-       let channel = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known());
+       let channel = create_announced_chan_between_nodes(&nodes, 0, 1, channelmanager::provided_init_features(), channelmanager::provided_init_features());
 
        // Get the route.
        let recv_value_msat = 10_000;
@@ -1210,7 +1098,7 @@ fn test_phantom_failure_too_low_cltv() {
 
        expect_pending_htlcs_forwardable_ignore!(nodes[1]);
        nodes[1].node.process_pending_htlc_forwards();
-       expect_pending_htlcs_forwardable_ignore!(nodes[1]);
+       expect_pending_htlcs_forwardable_and_htlc_handling_failed_ignore!(nodes[1], vec![HTLCDestination::FailedPayment { payment_hash }]);
        nodes[1].node.process_pending_htlc_forwards();
        let update_1 = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
        check_added_monitors!(&nodes[1], 1);
@@ -1234,7 +1122,7 @@ fn test_phantom_failure_too_low_recv_amt() {
        let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
        let nodes = create_network(2, &node_cfgs, &node_chanmgrs);
 
-       let channel = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known());
+       let channel = create_announced_chan_between_nodes(&nodes, 0, 1, channelmanager::provided_init_features(), channelmanager::provided_init_features());
 
        // Get the route with a too-low amount.
        let recv_amt_msat = 10_000;
@@ -1255,7 +1143,7 @@ fn test_phantom_failure_too_low_recv_amt() {
        nodes[1].node.process_pending_htlc_forwards();
        expect_pending_htlcs_forwardable_ignore!(nodes[1]);
        nodes[1].node.process_pending_htlc_forwards();
-       expect_pending_htlcs_forwardable_ignore!(nodes[1]);
+       expect_pending_htlcs_forwardable_and_htlc_handling_failed_ignore!(nodes[1], vec![HTLCDestination::FailedPayment { payment_hash: payment_hash.clone() }]);
        nodes[1].node.process_pending_htlc_forwards();
        let update_1 = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
        check_added_monitors!(&nodes[1], 1);
@@ -1288,7 +1176,7 @@ fn test_phantom_dust_exposure_failure() {
        let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, Some(receiver_config)]);
        let nodes = create_network(2, &node_cfgs, &node_chanmgrs);
 
-       let channel = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known());
+       let channel = create_announced_chan_between_nodes(&nodes, 0, 1, channelmanager::provided_init_features(), channelmanager::provided_init_features());
 
        // Get the route with an amount exceeding the dust exposure threshold of nodes[1].
        let (_, payment_hash, payment_secret) = get_payment_preimage_hash!(nodes[1], Some(max_dust_exposure + 1));
@@ -1330,7 +1218,7 @@ fn test_phantom_failure_reject_payment() {
        let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
        let nodes = create_network(2, &node_cfgs, &node_chanmgrs);
 
-       let channel = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known());
+       let channel = create_announced_chan_between_nodes(&nodes, 0, 1, channelmanager::provided_init_features(), channelmanager::provided_init_features());
 
        // Get the route with a too-low amount.
        let recv_amt_msat = 10_000;
@@ -1352,7 +1240,7 @@ fn test_phantom_failure_reject_payment() {
        nodes[1].node.process_pending_htlc_forwards();
        expect_payment_received!(nodes[1], payment_hash, payment_secret, recv_amt_msat);
        nodes[1].node.fail_htlc_backwards(&payment_hash);
-       expect_pending_htlcs_forwardable_ignore!(nodes[1]);
+       expect_pending_htlcs_forwardable_and_htlc_handling_failed_ignore!(nodes[1], vec![HTLCDestination::FailedPayment { payment_hash }]);
        nodes[1].node.process_pending_htlc_forwards();
 
        let update_1 = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());