X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=lightning%2Fsrc%2Fln%2Fonion_route_tests.rs;h=eabd2222078b5a73c7456db15d65ff453a45ab05;hb=6e00c28a55006be93e26b145d8670c594144c785;hp=706fcb6c24d2057857992758a4750ac36bb70499;hpb=d2256301e89a05b8f76c6a080a0ee68abd5c762e;p=rust-lightning diff --git a/lightning/src/ln/onion_route_tests.rs b/lightning/src/ln/onion_route_tests.rs index 706fcb6c..eabd2222 100644 --- a/lightning/src/ln/onion_route_tests.rs +++ b/lightning/src/ln/onion_route_tests.rs @@ -16,11 +16,12 @@ use chain::keysinterface::{KeysInterface, Recipient}; use ln::{PaymentHash, PaymentSecret}; use ln::channelmanager::{HTLCForwardInfo, CLTV_FAR_FAR_AWAY, MIN_CLTV_EXPIRY_DELTA, PendingHTLCInfo, PendingHTLCRouting}; use ln::onion_utils; -use routing::network_graph::{NetworkUpdate, RoutingFees}; +use routing::gossip::{NetworkUpdate, RoutingFees, NodeId}; use routing::router::{get_route, PaymentParameters, Route, RouteHint, RouteHintHop}; -use ln::features::{InitFeatures, InvoiceFeatures}; +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::{Writeable, Writer}; use util::{byte_utils, test_utils}; @@ -33,7 +34,7 @@ use bitcoin::hashes::sha256::Hash as Sha256; use bitcoin::secp256k1; use bitcoin::secp256k1::Secp256k1; -use bitcoin::secp256k1::key::{PublicKey, SecretKey}; +use bitcoin::secp256k1::{PublicKey, SecretKey}; use io; use prelude::*; @@ -176,8 +177,8 @@ fn run_onion_failure_test_with_fail_intercept(_name: &str, test_case: panic!("channel_update not found!"); } }, - &NetworkUpdate::ChannelClosed { ref short_channel_id, ref is_permanent } => { - if let NetworkUpdate::ChannelClosed { short_channel_id: ref expected_short_channel_id, is_permanent: ref expected_is_permanent } = expected_channel_update.unwrap() { + &NetworkUpdate::ChannelFailure { ref short_channel_id, ref is_permanent } => { + if let NetworkUpdate::ChannelFailure { short_channel_id: ref expected_short_channel_id, is_permanent: ref expected_is_permanent } = expected_channel_update.unwrap() { assert!(*short_channel_id == *expected_short_channel_id); assert!(*is_permanent == *expected_is_permanent); } else { @@ -214,7 +215,7 @@ fn run_onion_failure_test_with_fail_intercept(_name: &str, test_case: impl msgs::ChannelUpdate { fn dummy(short_channel_id: u64) -> msgs::ChannelUpdate { use bitcoin::secp256k1::ffi::Signature as FFISignature; - use bitcoin::secp256k1::Signature; + use bitcoin::secp256k1::ecdsa::Signature; msgs::ChannelUpdate { signature: Signature::from(unsafe { FFISignature::new() }), contents: msgs::UnsignedChannelUpdate { @@ -282,7 +283,7 @@ fn test_fee_failures() { let short_channel_id = channels[0].0.contents.short_channel_id; run_onion_failure_test("fee_insufficient", 0, &nodes, &route, &payment_hash, &payment_secret, |msg| { msg.amount_msat -= 1; - }, || {}, true, Some(UPDATE|12), Some(NetworkUpdate::ChannelClosed { short_channel_id, is_permanent: true}), Some(short_channel_id)); + }, || {}, true, Some(UPDATE|12), Some(NetworkUpdate::ChannelFailure { short_channel_id, is_permanent: true}), Some(short_channel_id)); // In an earlier version, we spuriously failed to forward payments if the expected feerate // changed between the channel open and the payment. @@ -342,7 +343,7 @@ fn test_onion_failure() { // 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); - }, ||{}, true, Some(PERM|22), Some(NetworkUpdate::ChannelClosed{short_channel_id, is_permanent: true}), Some(short_channel_id)); + }, ||{}, true, Some(PERM|22), Some(NetworkUpdate::ChannelFailure{short_channel_id, is_permanent: true}), Some(short_channel_id)); // final node failure let short_channel_id = channels[1].0.contents.short_channel_id; @@ -359,7 +360,7 @@ fn test_onion_failure() { // 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); - }, ||{}, false, Some(PERM|22), Some(NetworkUpdate::ChannelClosed{short_channel_id, is_permanent: true}), Some(short_channel_id)); + }, ||{}, 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 // receiving simulated fail messages @@ -371,7 +372,7 @@ fn test_onion_failure() { // and tamper returning error message let session_priv = SecretKey::from_slice(&[3; 32]).unwrap(); let onion_keys = onion_utils::construct_onion_keys(&Secp256k1::new(), &route.paths[0], &session_priv).unwrap(); - msg.reason = onion_utils::build_first_hop_failure_packet(&onion_keys[0].shared_secret[..], NODE|2, &[0;0]); + msg.reason = onion_utils::build_first_hop_failure_packet(onion_keys[0].shared_secret.as_ref(), NODE|2, &[0;0]); }, ||{}, true, Some(NODE|2), Some(NetworkUpdate::NodeFailure{node_id: route.paths[0][0].pubkey, is_permanent: false}), Some(route.paths[0][0].short_channel_id)); // final node failure @@ -379,7 +380,7 @@ fn test_onion_failure() { // and tamper returning error message let session_priv = SecretKey::from_slice(&[3; 32]).unwrap(); let onion_keys = onion_utils::construct_onion_keys(&Secp256k1::new(), &route.paths[0], &session_priv).unwrap(); - msg.reason = onion_utils::build_first_hop_failure_packet(&onion_keys[1].shared_secret[..], NODE|2, &[0;0]); + msg.reason = onion_utils::build_first_hop_failure_packet(onion_keys[1].shared_secret.as_ref(), NODE|2, &[0;0]); }, ||{ nodes[2].node.fail_htlc_backwards(&payment_hash); }, true, Some(NODE|2), Some(NetworkUpdate::NodeFailure{node_id: route.paths[0][1].pubkey, is_permanent: false}), Some(route.paths[0][1].short_channel_id)); @@ -391,14 +392,14 @@ fn test_onion_failure() { }, |msg| { let session_priv = SecretKey::from_slice(&[3; 32]).unwrap(); let onion_keys = onion_utils::construct_onion_keys(&Secp256k1::new(), &route.paths[0], &session_priv).unwrap(); - msg.reason = onion_utils::build_first_hop_failure_packet(&onion_keys[0].shared_secret[..], PERM|NODE|2, &[0;0]); + msg.reason = onion_utils::build_first_hop_failure_packet(onion_keys[0].shared_secret.as_ref(), PERM|NODE|2, &[0;0]); }, ||{}, true, Some(PERM|NODE|2), Some(NetworkUpdate::NodeFailure{node_id: route.paths[0][0].pubkey, is_permanent: true}), Some(route.paths[0][0].short_channel_id)); // final node failure run_onion_failure_test_with_fail_intercept("permanent_node_failure", 200, &nodes, &route, &payment_hash, &payment_secret, |_msg| {}, |msg| { let session_priv = SecretKey::from_slice(&[3; 32]).unwrap(); let onion_keys = onion_utils::construct_onion_keys(&Secp256k1::new(), &route.paths[0], &session_priv).unwrap(); - msg.reason = onion_utils::build_first_hop_failure_packet(&onion_keys[1].shared_secret[..], PERM|NODE|2, &[0;0]); + msg.reason = onion_utils::build_first_hop_failure_packet(onion_keys[1].shared_secret.as_ref(), PERM|NODE|2, &[0;0]); }, ||{ nodes[2].node.fail_htlc_backwards(&payment_hash); }, false, Some(PERM|NODE|2), Some(NetworkUpdate::NodeFailure{node_id: route.paths[0][1].pubkey, is_permanent: true}), Some(route.paths[0][1].short_channel_id)); @@ -410,7 +411,7 @@ fn test_onion_failure() { }, |msg| { let session_priv = SecretKey::from_slice(&[3; 32]).unwrap(); let onion_keys = onion_utils::construct_onion_keys(&Secp256k1::new(), &route.paths[0], &session_priv).unwrap(); - msg.reason = onion_utils::build_first_hop_failure_packet(&onion_keys[0].shared_secret[..], PERM|NODE|3, &[0;0]); + msg.reason = onion_utils::build_first_hop_failure_packet(onion_keys[0].shared_secret.as_ref(), PERM|NODE|3, &[0;0]); }, ||{ nodes[2].node.fail_htlc_backwards(&payment_hash); }, true, Some(PERM|NODE|3), Some(NetworkUpdate::NodeFailure{node_id: route.paths[0][0].pubkey, is_permanent: true}), Some(route.paths[0][0].short_channel_id)); @@ -419,7 +420,7 @@ fn test_onion_failure() { run_onion_failure_test_with_fail_intercept("required_node_feature_missing", 200, &nodes, &route, &payment_hash, &payment_secret, |_msg| {}, |msg| { let session_priv = SecretKey::from_slice(&[3; 32]).unwrap(); let onion_keys = onion_utils::construct_onion_keys(&Secp256k1::new(), &route.paths[0], &session_priv).unwrap(); - msg.reason = onion_utils::build_first_hop_failure_packet(&onion_keys[1].shared_secret[..], PERM|NODE|3, &[0;0]); + msg.reason = onion_utils::build_first_hop_failure_packet(onion_keys[1].shared_secret.as_ref(), PERM|NODE|3, &[0;0]); }, ||{ nodes[2].node.fail_htlc_backwards(&payment_hash); }, false, Some(PERM|NODE|3), Some(NetworkUpdate::NodeFailure{node_id: route.paths[0][1].pubkey, is_permanent: true}), Some(route.paths[0][1].short_channel_id)); @@ -438,13 +439,29 @@ fn test_onion_failure() { Some(BADONION|PERM|6), None, Some(short_channel_id)); let short_channel_id = channels[1].0.contents.short_channel_id; + let chan_update = ChannelUpdate::dummy(short_channel_id); + + let mut err_data = Vec::new(); + err_data.extend_from_slice(&(chan_update.serialized_length() as u16 + 2).to_be_bytes()); + err_data.extend_from_slice(&ChannelUpdate::TYPE.to_be_bytes()); + err_data.extend_from_slice(&chan_update.encode()); + run_onion_failure_test_with_fail_intercept("temporary_channel_failure", 100, &nodes, &route, &payment_hash, &payment_secret, |msg| { + msg.amount_msat -= 1; + }, |msg| { + let session_priv = SecretKey::from_slice(&[3; 32]).unwrap(); + let onion_keys = onion_utils::construct_onion_keys(&Secp256k1::new(), &route.paths[0], &session_priv).unwrap(); + msg.reason = onion_utils::build_first_hop_failure_packet(onion_keys[0].shared_secret.as_ref(), UPDATE|7, &err_data); + }, ||{}, true, Some(UPDATE|7), Some(NetworkUpdate::ChannelUpdateMessage{msg: chan_update.clone()}), Some(short_channel_id)); + + // Check we can still handle onion failures that include channel updates without a type prefix + let err_data_without_type = chan_update.encode_with_len(); run_onion_failure_test_with_fail_intercept("temporary_channel_failure", 100, &nodes, &route, &payment_hash, &payment_secret, |msg| { msg.amount_msat -= 1; }, |msg| { let session_priv = SecretKey::from_slice(&[3; 32]).unwrap(); let onion_keys = onion_utils::construct_onion_keys(&Secp256k1::new(), &route.paths[0], &session_priv).unwrap(); - msg.reason = onion_utils::build_first_hop_failure_packet(&onion_keys[0].shared_secret[..], UPDATE|7, &ChannelUpdate::dummy(short_channel_id).encode_with_len()[..]); - }, ||{}, true, Some(UPDATE|7), Some(NetworkUpdate::ChannelUpdateMessage{msg: ChannelUpdate::dummy(short_channel_id)}), Some(short_channel_id)); + msg.reason = onion_utils::build_first_hop_failure_packet(onion_keys[0].shared_secret.as_ref(), UPDATE|7, &err_data_without_type); + }, ||{}, true, Some(UPDATE|7), Some(NetworkUpdate::ChannelUpdateMessage{msg: chan_update}), Some(short_channel_id)); let short_channel_id = channels[1].0.contents.short_channel_id; run_onion_failure_test_with_fail_intercept("permanent_channel_failure", 100, &nodes, &route, &payment_hash, &payment_secret, |msg| { @@ -452,9 +469,9 @@ fn test_onion_failure() { }, |msg| { let session_priv = SecretKey::from_slice(&[3; 32]).unwrap(); let onion_keys = onion_utils::construct_onion_keys(&Secp256k1::new(), &route.paths[0], &session_priv).unwrap(); - msg.reason = onion_utils::build_first_hop_failure_packet(&onion_keys[0].shared_secret[..], PERM|8, &[0;0]); + msg.reason = onion_utils::build_first_hop_failure_packet(onion_keys[0].shared_secret.as_ref(), PERM|8, &[0;0]); // short_channel_id from the processing node - }, ||{}, true, Some(PERM|8), Some(NetworkUpdate::ChannelClosed{short_channel_id, is_permanent: true}), Some(short_channel_id)); + }, ||{}, true, Some(PERM|8), Some(NetworkUpdate::ChannelFailure{short_channel_id, is_permanent: true}), Some(short_channel_id)); let short_channel_id = channels[1].0.contents.short_channel_id; run_onion_failure_test_with_fail_intercept("required_channel_feature_missing", 100, &nodes, &route, &payment_hash, &payment_secret, |msg| { @@ -462,15 +479,15 @@ fn test_onion_failure() { }, |msg| { let session_priv = SecretKey::from_slice(&[3; 32]).unwrap(); let onion_keys = onion_utils::construct_onion_keys(&Secp256k1::new(), &route.paths[0], &session_priv).unwrap(); - msg.reason = onion_utils::build_first_hop_failure_packet(&onion_keys[0].shared_secret[..], PERM|9, &[0;0]); + msg.reason = onion_utils::build_first_hop_failure_packet(onion_keys[0].shared_secret.as_ref(), PERM|9, &[0;0]); // short_channel_id from the processing node - }, ||{}, true, Some(PERM|9), Some(NetworkUpdate::ChannelClosed{short_channel_id, is_permanent: true}), Some(short_channel_id)); + }, ||{}, true, Some(PERM|9), Some(NetworkUpdate::ChannelFailure{short_channel_id, is_permanent: true}), Some(short_channel_id)); let mut bogus_route = route.clone(); bogus_route.paths[0][1].short_channel_id -= 1; let short_channel_id = bogus_route.paths[0][1].short_channel_id; run_onion_failure_test("unknown_next_peer", 0, &nodes, &bogus_route, &payment_hash, &payment_secret, |_| {}, ||{}, true, Some(PERM|10), - Some(NetworkUpdate::ChannelClosed{short_channel_id, is_permanent:true}), Some(short_channel_id)); + Some(NetworkUpdate::ChannelFailure{short_channel_id, is_permanent:true}), Some(short_channel_id)); let short_channel_id = channels[1].0.contents.short_channel_id; let amt_to_forward = nodes[1].node.channel_state.lock().unwrap().by_id.get(&channels[1].2).unwrap().get_counterparty_htlc_minimum_msat() - 1; @@ -494,13 +511,13 @@ fn test_onion_failure() { let short_channel_id = channels[0].0.contents.short_channel_id; run_onion_failure_test("fee_insufficient", 0, &nodes, &route, &payment_hash, &payment_secret, |msg| { msg.amount_msat -= 1; - }, || {}, true, Some(UPDATE|12), Some(NetworkUpdate::ChannelClosed { short_channel_id, is_permanent: true}), Some(short_channel_id)); + }, || {}, true, Some(UPDATE|12), Some(NetworkUpdate::ChannelFailure { short_channel_id, is_permanent: true}), Some(short_channel_id)); let short_channel_id = channels[0].0.contents.short_channel_id; run_onion_failure_test("incorrect_cltv_expiry", 0, &nodes, &route, &payment_hash, &payment_secret, |msg| { // need to violate: cltv_expiry - cltv_expiry_delta >= outgoing_cltv_value msg.cltv_expiry -= 1; - }, || {}, true, Some(UPDATE|13), Some(NetworkUpdate::ChannelClosed { short_channel_id, is_permanent: true}), Some(short_channel_id)); + }, || {}, true, Some(UPDATE|13), Some(NetworkUpdate::ChannelFailure { short_channel_id, is_permanent: true}), Some(short_channel_id)); let short_channel_id = channels[1].0.contents.short_channel_id; run_onion_failure_test("expiry_too_soon", 0, &nodes, &route, &payment_hash, &payment_secret, |msg| { @@ -571,12 +588,174 @@ fn test_onion_failure() { // Tamper returning error message let session_priv = SecretKey::from_slice(&[3; 32]).unwrap(); let onion_keys = onion_utils::construct_onion_keys(&Secp256k1::new(), &route.paths[0], &session_priv).unwrap(); - msg.reason = onion_utils::build_first_hop_failure_packet(&onion_keys[1].shared_secret[..], 23, &[0;0]); + msg.reason = onion_utils::build_first_hop_failure_packet(onion_keys[1].shared_secret.as_ref(), 23, &[0;0]); }, ||{ nodes[2].node.fail_htlc_backwards(&payment_hash); }, true, Some(23), None, None); } +#[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_options.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."); + } + _ => {} + } + } + } +} + +#[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 + // `supports_variable_length_onion()` + let mut node_1_cfg = &mut node_cfgs[1]; + node_1_cfg.features = InitFeatures::empty(); + + let node_chanmgrs = create_node_chanmgrs(4, &node_cfgs, &[None, None, None, None]); + let mut nodes = create_network(4, &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()); + + let payment_params = PaymentParameters::from_node_id(nodes[3].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 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]`. + 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. + 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"); + } + } + } +} + macro_rules! get_phantom_route { ($nodes: expr, $amt: expr, $channel: expr) => {{ let secp_ctx = Secp256k1::new(); @@ -935,11 +1114,15 @@ fn test_phantom_dust_exposure_failure() { commitment_signed_dance!(nodes[0], nodes[1], update_1.commitment_signed, false); // Ensure the payment fails with the expected error. - let mut error_data = channel.1.encode_with_len(); + let mut err_data = Vec::new(); + err_data.extend_from_slice(&(channel.1.serialized_length() as u16 + 2).to_be_bytes()); + err_data.extend_from_slice(&ChannelUpdate::TYPE.to_be_bytes()); + err_data.extend_from_slice(&channel.1.encode()); + let mut fail_conditions = PaymentFailedConditions::new() .blamed_scid(channel.0.contents.short_channel_id) .blamed_chan_closed(false) - .expected_htlc_error_data(0x1000 | 7, &error_data); + .expected_htlc_error_data(0x1000 | 7, &err_data); expect_payment_failed_conditions!(nodes[0], payment_hash, false, fail_conditions); } @@ -972,7 +1155,7 @@ fn test_phantom_failure_reject_payment() { expect_pending_htlcs_forwardable_ignore!(nodes[1]); nodes[1].node.process_pending_htlc_forwards(); expect_payment_received!(nodes[1], payment_hash, payment_secret, recv_amt_msat); - assert!(nodes[1].node.fail_htlc_backwards(&payment_hash)); + nodes[1].node.fail_htlc_backwards(&payment_hash); expect_pending_htlcs_forwardable_ignore!(nodes[1]); nodes[1].node.process_pending_htlc_forwards();