//! 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::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::msgs::{ChannelMessageHandler, ChannelUpdate};
use ln::wire::Encode;
-use util::events::{Event, MessageSendEvent, MessageSendEventsProvider};
-use util::ser::{Writeable, Writer};
+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;
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());
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);
// 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);
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(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_options.announced_channel = false;
+ 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)]);
};
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);
.blamed_scid(channel.0.contents.short_channel_id)
.blamed_chan_closed(false)
.expected_htlc_error_data(0x1000 | 7, &err_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_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());
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