//! 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::{CLTV_CLAIM_BUFFER, LATENCY_GRACE_PERIOD_BLOCKS};
+use chain::channelmonitor::{ChannelMonitor, CLTV_CLAIM_BUFFER, LATENCY_GRACE_PERIOD_BLOCKS};
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::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::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 util::events::{Event, MessageSendEvent, MessageSendEventsProvider};
-use util::ser::{Writeable, Writer};
+use ln::msgs::{ChannelMessageHandler, ChannelUpdate};
+use ln::wire::Encode;
+use util::events::{Event, HTLCDestination, MessageSendEvent, MessageSendEventsProvider};
+use util::ser::{ReadableArgs, Writeable, Writer};
use util::{byte_utils, test_utils};
-use util::config::UserConfig;
+use util::config::{UserConfig, ChannelConfig};
+use util::errors::APIError;
use bitcoin::hash_types::BlockHash;
use bitcoin::secp256k1;
use bitcoin::secp256k1::Secp256k1;
-use bitcoin::secp256k1::key::{PublicKey, SecretKey};
+use bitcoin::secp256k1::{PublicKey, SecretKey};
use io;
use prelude::*;
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());
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 {
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 {
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![],
// When this test was written, the default base fee floated based on the HTLC count.
// It is now fixed, so we simply set the fee to the expected value here.
let mut config = test_default_channel_config();
- config.channel_options.forwarding_fee_base_msat = 196;
+ config.channel_config.forwarding_fee_base_msat = 196;
let chanmon_cfgs = create_chanmon_cfgs(3);
let node_cfgs = create_node_cfgs(3, &chanmon_cfgs);
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.
// This exposed a previous bug because we were using the wrong value all the way down in
// Channel::get_counterparty_htlc_minimum_msat().
let mut node_2_cfg: UserConfig = Default::default();
- node_2_cfg.own_channel_config.our_htlc_minimum_msat = 2000;
- node_2_cfg.channel_options.announced_channel = true;
- node_2_cfg.peer_channel_config_limits.force_announced_channel_preference = false;
+ node_2_cfg.channel_handshake_config.our_htlc_minimum_msat = 2000;
+ node_2_cfg.channel_handshake_config.announced_channel = true;
+ node_2_cfg.channel_handshake_limits.force_announced_channel_preference = false;
// When this test was written, the default base fee floated based on the HTLC count.
// It is now fixed, so we simply set the fee to the expected value here.
let mut config = test_default_channel_config();
- config.channel_options.forwarding_fee_base_msat = 196;
+ config.channel_config.forwarding_fee_base_msat = 196;
let chanmon_cfgs = create_chanmon_cfgs(3);
let node_cfgs = create_node_cfgs(3, &chanmon_cfgs);
// 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;
// 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
// 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
// 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));
}, |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));
}, |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));
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));
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| {
}, |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| {
}, |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;
let preimage = send_along_route(&nodes[0], bogus_route, &[&nodes[1], &nodes[2]], amt_to_forward+1).0;
claim_payment(&nodes[0], &[&nodes[1], &nodes[2]], preimage);
- //TODO: with new config API, we will be able to generate both valid and
- //invalid channel_update cases.
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| {
// 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);
}
+fn do_test_onion_failure_stale_channel_update(announced_channel: bool) {
+ // Create a network of three nodes and two channels connecting them. We'll be updating the
+ // HTLC relay policy of the second channel, causing forwarding failures at the first hop.
+ let mut config = UserConfig::default();
+ config.channel_handshake_config.announced_channel = announced_channel;
+ config.channel_handshake_limits.force_announced_channel_preference = false;
+ config.accept_forwards_to_priv_channels = !announced_channel;
+ let chanmon_cfgs = create_chanmon_cfgs(3);
+ let node_cfgs = create_node_cfgs(3, &chanmon_cfgs);
+ let node_chanmgrs = create_node_chanmgrs(3, &node_cfgs, &[None, Some(config), None]);
+ 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(),
+ );
+ let channel_to_update = if announced_channel {
+ let channel = create_announced_chan_between_nodes(
+ &nodes, 1, 2, InitFeatures::known(), InitFeatures::known(),
+ );
+ (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(),
+ );
+ (channel.0.channel_id, channel.0.short_channel_id_alias.unwrap())
+ };
+ let channel_to_update_counterparty = &nodes[2].node.get_our_node_id();
+
+ let default_config = ChannelConfig::default();
+
+ // A test payment should succeed as the ChannelConfig has not been changed yet.
+ const PAYMENT_AMT: u64 = 40000;
+ let (route, payment_hash, payment_preimage, payment_secret) = if announced_channel {
+ get_route_and_payment_hash!(nodes[0], nodes[2], PAYMENT_AMT)
+ } else {
+ let hop_hints = vec![RouteHint(vec![RouteHintHop {
+ src_node_id: nodes[1].node.get_our_node_id(),
+ short_channel_id: channel_to_update.1,
+ fees: RoutingFees {
+ base_msat: default_config.forwarding_fee_base_msat,
+ proportional_millionths: default_config.forwarding_fee_proportional_millionths,
+ },
+ cltv_expiry_delta: default_config.cltv_expiry_delta,
+ htlc_maximum_msat: None,
+ htlc_minimum_msat: None,
+ }])];
+ let payment_params = PaymentParameters::from_node_id(*channel_to_update_counterparty)
+ .with_features(InvoiceFeatures::known())
+ .with_route_hints(hop_hints);
+ get_route_and_payment_hash!(nodes[0], nodes[2], payment_params, PAYMENT_AMT, TEST_FINAL_CLTV)
+ };
+ send_along_route_with_secret(&nodes[0], route.clone(), &[&[&nodes[1], &nodes[2]]], PAYMENT_AMT,
+ payment_hash, payment_secret);
+ claim_payment(&nodes[0], &[&nodes[1], &nodes[2]], payment_preimage);
+
+ // Closure to force expiry of a channel's previous config.
+ let expire_prev_config = || {
+ for _ in 0..EXPIRE_PREV_CONFIG_TICKS {
+ nodes[1].node.timer_tick_occurred();
+ }
+ };
+
+ // Closure to update and retrieve the latest ChannelUpdate.
+ let update_and_get_channel_update = |config: &ChannelConfig, expect_new_update: bool,
+ prev_update: Option<&msgs::ChannelUpdate>, should_expire_prev_config: bool| -> Option<msgs::ChannelUpdate> {
+ nodes[1].node.update_channel_config(
+ channel_to_update_counterparty, &[channel_to_update.0], config,
+ ).unwrap();
+ let events = nodes[1].node.get_and_clear_pending_msg_events();
+ assert_eq!(events.len(), expect_new_update as usize);
+ if !expect_new_update {
+ return None;
+ }
+ let new_update = match &events[0] {
+ MessageSendEvent::BroadcastChannelUpdate { msg } => {
+ assert!(announced_channel);
+ msg.clone()
+ },
+ MessageSendEvent::SendChannelUpdate { node_id, msg } => {
+ assert_eq!(node_id, channel_to_update_counterparty);
+ assert!(!announced_channel);
+ msg.clone()
+ },
+ _ => panic!("expected Broadcast/SendChannelUpdate event"),
+ };
+ if prev_update.is_some() {
+ assert!(new_update.contents.timestamp > prev_update.unwrap().contents.timestamp)
+ }
+ if should_expire_prev_config {
+ expire_prev_config();
+ }
+ Some(new_update)
+ };
+
+ // We'll be attempting to route payments using the default ChannelUpdate for channels. This will
+ // lead to onion failures at the first hop once we update the ChannelConfig for the
+ // second hop.
+ let expect_onion_failure = |name: &str, error_code: u16, channel_update: &msgs::ChannelUpdate| {
+ let short_channel_id = channel_to_update.1;
+ let network_update = NetworkUpdate::ChannelUpdateMessage { msg: channel_update.clone() };
+ run_onion_failure_test(
+ name, 0, &nodes, &route, &payment_hash, &payment_secret, |_| {}, || {}, true,
+ Some(error_code), Some(network_update), Some(short_channel_id),
+ );
+ };
+
+ // Updates to cltv_expiry_delta below MIN_CLTV_EXPIRY_DELTA should fail with APIMisuseError.
+ let mut invalid_config = default_config.clone();
+ invalid_config.cltv_expiry_delta = 0;
+ match nodes[1].node.update_channel_config(
+ channel_to_update_counterparty, &[channel_to_update.0], &invalid_config,
+ ) {
+ Err(APIError::APIMisuseError{ .. }) => {},
+ _ => panic!("unexpected result applying invalid cltv_expiry_delta"),
+ }
+
+ // Increase the base fee which should trigger a new ChannelUpdate.
+ let mut config = nodes[1].node.list_usable_channels().iter()
+ .find(|channel| channel.channel_id == channel_to_update.0).unwrap()
+ .config.unwrap();
+ config.forwarding_fee_base_msat = u32::max_value();
+ let msg = update_and_get_channel_update(&config, true, None, false).unwrap();
+
+ // The old policy should still be in effect until a new block is connected.
+ send_along_route_with_secret(&nodes[0], route.clone(), &[&[&nodes[1], &nodes[2]]], PAYMENT_AMT,
+ payment_hash, payment_secret);
+ claim_payment(&nodes[0], &[&nodes[1], &nodes[2]], payment_preimage);
+
+ // Connect a block, which should expire the previous config, leading to a failure when
+ // forwarding the HTLC.
+ expire_prev_config();
+ expect_onion_failure("fee_insufficient", UPDATE|12, &msg);
+
+ // Redundant updates should not trigger a new ChannelUpdate.
+ assert!(update_and_get_channel_update(&config, false, None, false).is_none());
+
+ // Similarly, updates that do not have an affect on ChannelUpdate should not trigger a new one.
+ config.force_close_avoidance_max_fee_satoshis *= 2;
+ assert!(update_and_get_channel_update(&config, false, None, false).is_none());
+
+ // Reset the base fee to the default and increase the proportional fee which should trigger a
+ // new ChannelUpdate.
+ config.forwarding_fee_base_msat = default_config.forwarding_fee_base_msat;
+ config.cltv_expiry_delta = u16::max_value();
+ let msg = update_and_get_channel_update(&config, true, Some(&msg), true).unwrap();
+ expect_onion_failure("incorrect_cltv_expiry", UPDATE|13, &msg);
+
+ // Reset the proportional fee and increase the CLTV expiry delta which should trigger a new
+ // ChannelUpdate.
+ config.cltv_expiry_delta = default_config.cltv_expiry_delta;
+ config.forwarding_fee_proportional_millionths = u32::max_value();
+ let msg = update_and_get_channel_update(&config, true, Some(&msg), true).unwrap();
+ expect_onion_failure("fee_insufficient", UPDATE|12, &msg);
+
+ // To test persistence of the updated config, we'll re-initialize the ChannelManager.
+ let config_after_restart = {
+ let persister = test_utils::TestPersister::new();
+ let chain_monitor = test_utils::TestChainMonitor::new(
+ Some(nodes[1].chain_source), nodes[1].tx_broadcaster.clone(), nodes[1].logger,
+ node_cfgs[1].fee_estimator, &persister, nodes[1].keys_manager,
+ );
+
+ let mut chanmon_1 = <(_, ChannelMonitor<_>)>::read(
+ &mut &get_monitor!(nodes[1], other_channel.3).encode()[..], nodes[1].keys_manager,
+ ).unwrap().1;
+ let mut chanmon_2 = <(_, ChannelMonitor<_>)>::read(
+ &mut &get_monitor!(nodes[1], channel_to_update.0).encode()[..], nodes[1].keys_manager,
+ ).unwrap().1;
+ let mut channel_monitors = HashMap::new();
+ channel_monitors.insert(chanmon_1.get_funding_txo().0, &mut chanmon_1);
+ channel_monitors.insert(chanmon_2.get_funding_txo().0, &mut chanmon_2);
+
+ let chanmgr = <(_, ChannelManager<_, _, _, _, _, _>)>::read(
+ &mut &nodes[1].node.encode()[..], ChannelManagerReadArgs {
+ default_config: *nodes[1].node.get_current_default_configuration(),
+ keys_manager: nodes[1].keys_manager,
+ fee_estimator: node_cfgs[1].fee_estimator,
+ chain_monitor: &chain_monitor,
+ tx_broadcaster: nodes[1].tx_broadcaster.clone(),
+ logger: nodes[1].logger,
+ channel_monitors: channel_monitors,
+ },
+ ).unwrap().1;
+ chanmgr.list_channels().iter()
+ .find(|channel| channel.channel_id == channel_to_update.0).unwrap()
+ .config.unwrap()
+ };
+ assert_eq!(config, config_after_restart);
+}
+
+#[test]
+fn test_onion_failure_stale_channel_update() {
+ do_test_onion_failure_stale_channel_update(false);
+ do_test_onion_failure_stale_channel_update(true);
+}
+
+#[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.");
+ }
+ _ => {}
+ }
+ }
+ }
+}
+
+#[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();
}
])]);
let scorer = test_utils::TestScorer::with_penalty(0);
+ let network_graph = $nodes[0].network_graph.read_only();
(get_route(
- &$nodes[0].node.get_our_node_id(), &payment_params, $nodes[0].network_graph,
+ &$nodes[0].node.get_our_node_id(), &payment_params, &network_graph,
Some(&$nodes[0].node.list_usable_channels().iter().collect::<Vec<_>>()),
- $amt, TEST_FINAL_CLTV, $nodes[0].logger, &scorer
+ $amt, TEST_FINAL_CLTV, $nodes[0].logger, &scorer, &[0u8; 32]
).unwrap(), phantom_route_hint.phantom_scid)
}
}}
};
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);
.blamed_scid(phantom_scid)
.blamed_chan_closed(true)
.expected_htlc_error_data(0x8000 | 0x4000 | 5, &sha256_of_onion);
- expect_payment_failed_conditions!(nodes[0], payment_hash, false, fail_conditions);
+ expect_payment_failed_conditions(&nodes[0], payment_hash, false, fail_conditions);
}
#[test]
}
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);
.blamed_scid(phantom_scid)
.blamed_chan_closed(true)
.expected_htlc_error_data(0x4000 | 22, &error_data);
- expect_payment_failed_conditions!(nodes[0], payment_hash, true, fail_conditions);
+ expect_payment_failed_conditions(&nodes[0], payment_hash, true, fail_conditions);
}
#[test]
}
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);
let mut fail_conditions = PaymentFailedConditions::new()
.blamed_scid(phantom_scid)
.expected_htlc_error_data(18, &error_data);
- expect_payment_failed_conditions!(nodes[0], payment_hash, false, fail_conditions);
+ expect_payment_failed_conditions(&nodes[0], payment_hash, false, fail_conditions);
}
#[test]
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);
let mut fail_conditions = PaymentFailedConditions::new()
.blamed_scid(phantom_scid)
.expected_htlc_error_data(17, &error_data);
- expect_payment_failed_conditions!(nodes[0], payment_hash, false, fail_conditions);
+ expect_payment_failed_conditions(&nodes[0], payment_hash, false, fail_conditions);
}
#[test]
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);
let mut fail_conditions = PaymentFailedConditions::new()
.blamed_scid(phantom_scid)
.expected_htlc_error_data(0x4000 | 15, &error_data);
- expect_payment_failed_conditions!(nodes[0], payment_hash, true, fail_conditions);
+ expect_payment_failed_conditions(&nodes[0], payment_hash, true, fail_conditions);
}
#[test]
// Set the max dust exposure to the dust limit.
let max_dust_exposure = 546;
let mut receiver_config = UserConfig::default();
- receiver_config.channel_options.max_dust_htlc_exposure_msat = max_dust_exposure;
- receiver_config.channel_options.announced_channel = true;
+ receiver_config.channel_config.max_dust_htlc_exposure_msat = max_dust_exposure;
+ receiver_config.channel_handshake_config.announced_channel = true;
let chanmon_cfgs = create_chanmon_cfgs(2);
let node_cfgs = create_node_cfgs(2, &chanmon_cfgs);
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);
- expect_payment_failed_conditions!(nodes[0], payment_hash, false, fail_conditions);
+ .expected_htlc_error_data(0x1000 | 7, &err_data);
+ expect_payment_failed_conditions(&nodes[0], payment_hash, false, fail_conditions);
}
#[test]
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));
- expect_pending_htlcs_forwardable_ignore!(nodes[1]);
+ nodes[1].node.fail_htlc_backwards(&payment_hash);
+ 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());
let mut fail_conditions = PaymentFailedConditions::new()
.blamed_scid(phantom_scid)
.expected_htlc_error_data(0x4000 | 15, &error_data);
- expect_payment_failed_conditions!(nodes[0], payment_hash, true, fail_conditions);
+ expect_payment_failed_conditions(&nodes[0], payment_hash, true, fail_conditions);
}
-
projects / rust-lightning / blobdiff