use crate::ln::onion_utils::INVALID_ONION_BLINDING;
use crate::ln::outbound_payment::Retry;
use crate::prelude::*;
-use crate::routing::router::{PaymentParameters, RouteParameters};
+use crate::routing::router::{Payee, PaymentParameters, RouteParameters};
use crate::util::config::UserConfig;
use crate::util::test_utils;
#[test]
fn blinded_intercept_payment() {
+ do_blinded_intercept_payment(true);
+ do_blinded_intercept_payment(false);
+}
+fn do_blinded_intercept_payment(intercept_node_fails: bool) {
let chanmon_cfgs = create_chanmon_cfgs(3);
let node_cfgs = create_node_cfgs(3, &chanmon_cfgs);
let mut intercept_forwards_config = test_default_channel_config();
let node_chanmgrs = create_node_chanmgrs(3, &node_cfgs, &[None, Some(intercept_forwards_config), None]);
let nodes = create_network(3, &node_cfgs, &node_chanmgrs);
create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1_000_000, 0);
- let chan_upd = create_announced_chan_between_nodes_with_value(&nodes, 1, 2, 1_000_000, 0).0.contents;
+ let (channel_id, chan_upd) = {
+ let chan = create_announced_chan_between_nodes_with_value(&nodes, 1, 2, 1_000_000, 0);
+ (chan.2, chan.0.contents)
+ };
let amt_msat = 5000;
- let (_, payment_hash, payment_secret) = get_payment_preimage_hash(&nodes[2], Some(amt_msat), None);
+ let (payment_preimage, payment_hash, payment_secret) = get_payment_preimage_hash(&nodes[2], Some(amt_msat), None);
let intercept_scid = nodes[1].node.get_intercept_scid();
let mut intercept_chan_upd = chan_upd;
intercept_chan_upd.short_channel_id = intercept_scid;
let events = nodes[1].node.get_and_clear_pending_events();
assert_eq!(events.len(), 1);
- let intercept_id = match events[0] {
+ let (intercept_id, expected_outbound_amount_msat) = match events[0] {
crate::events::Event::HTLCIntercepted {
intercept_id, payment_hash: pmt_hash,
- requested_next_hop_scid: short_channel_id, ..
+ requested_next_hop_scid: short_channel_id, expected_outbound_amount_msat, ..
} => {
assert_eq!(pmt_hash, payment_hash);
assert_eq!(short_channel_id, intercept_scid);
- intercept_id
+ (intercept_id, expected_outbound_amount_msat)
},
_ => panic!()
};
- nodes[1].node.fail_intercepted_htlc(intercept_id).unwrap();
- expect_pending_htlcs_forwardable_and_htlc_handling_failed_ignore!(nodes[1], vec![HTLCDestination::UnknownNextHop { requested_forward_scid: intercept_scid }]);
- nodes[1].node.process_pending_htlc_forwards();
- let update_fail = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
- check_added_monitors!(&nodes[1], 1);
- assert!(update_fail.update_fail_htlcs.len() == 1);
- let fail_msg = update_fail.update_fail_htlcs[0].clone();
- nodes[0].node.handle_update_fail_htlc(&nodes[1].node.get_our_node_id(), &fail_msg);
- commitment_signed_dance!(nodes[0], nodes[1], update_fail.commitment_signed, false);
- expect_payment_failed_conditions(&nodes[0], payment_hash, false,
- PaymentFailedConditions::new().expected_htlc_error_data(INVALID_ONION_BLINDING, &[0; 32]));
+ if intercept_node_fails {
+ nodes[1].node.fail_intercepted_htlc(intercept_id).unwrap();
+ expect_pending_htlcs_forwardable_and_htlc_handling_failed_ignore!(nodes[1], vec![HTLCDestination::UnknownNextHop { requested_forward_scid: intercept_scid }]);
+ nodes[1].node.process_pending_htlc_forwards();
+ let update_fail = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
+ check_added_monitors!(&nodes[1], 1);
+ assert!(update_fail.update_fail_htlcs.len() == 1);
+ let fail_msg = update_fail.update_fail_htlcs[0].clone();
+ nodes[0].node.handle_update_fail_htlc(&nodes[1].node.get_our_node_id(), &fail_msg);
+ commitment_signed_dance!(nodes[0], nodes[1], update_fail.commitment_signed, false);
+ expect_payment_failed_conditions(&nodes[0], payment_hash, false,
+ PaymentFailedConditions::new().expected_htlc_error_data(INVALID_ONION_BLINDING, &[0; 32]));
+ return
+ }
+
+ nodes[1].node.forward_intercepted_htlc(intercept_id, &channel_id, nodes[2].node.get_our_node_id(), expected_outbound_amount_msat).unwrap();
+ expect_pending_htlcs_forwardable!(nodes[1]);
+
+ let payment_event = {
+ {
+ let mut added_monitors = nodes[1].chain_monitor.added_monitors.lock().unwrap();
+ assert_eq!(added_monitors.len(), 1);
+ added_monitors.clear();
+ }
+ let mut events = nodes[1].node.get_and_clear_pending_msg_events();
+ assert_eq!(events.len(), 1);
+ SendEvent::from_event(events.remove(0))
+ };
+ nodes[2].node.handle_update_add_htlc(&nodes[1].node.get_our_node_id(), &payment_event.msgs[0]);
+ commitment_signed_dance!(nodes[2], nodes[1], &payment_event.commitment_msg, false, true);
+ expect_pending_htlcs_forwardable!(nodes[2]);
+
+ expect_payment_claimable!(&nodes[2], payment_hash, payment_secret, amt_msat, None, nodes[2].node.get_our_node_id());
+ do_claim_payment_along_route(&nodes[0], &vec!(&vec!(&nodes[1], &nodes[2])[..]), false, payment_preimage);
+ expect_payment_sent(&nodes[0], payment_preimage, Some(Some(1000)), true, true);
}
#[test]
// The incoming HTLC errors when added to the Channel, in this case due to the HTLC being
// delivered out-of-order with a shutdown message.
ChannelCheck,
+ // The HTLC is successfully added to the inbound channel but fails receive checks in
+ // process_pending_htlc_forwards.
+ ProcessPendingHTLCsCheck,
+ // The HTLC violates the `PaymentConstraints` contained within the receiver's encrypted payload.
+ PaymentConstraints,
}
#[test]
do_multi_hop_receiver_fail(ReceiveCheckFail::OnionDecodeFail);
do_multi_hop_receiver_fail(ReceiveCheckFail::ReceiveRequirements);
do_multi_hop_receiver_fail(ReceiveCheckFail::ChannelCheck);
+ do_multi_hop_receiver_fail(ReceiveCheckFail::ProcessPendingHTLCsCheck);
+ do_multi_hop_receiver_fail(ReceiveCheckFail::PaymentConstraints);
}
fn do_multi_hop_receiver_fail(check: ReceiveCheckFail) {
};
let amt_msat = 5000;
- let (_, payment_hash, payment_secret) = get_payment_preimage_hash(&nodes[2], Some(amt_msat), None);
- let route_params = get_blinded_route_parameters(amt_msat, payment_secret,
+ let final_cltv_delta = if check == ReceiveCheckFail::ProcessPendingHTLCsCheck {
+ // Set the final CLTV expiry too low to trigger the failure in process_pending_htlc_forwards.
+ Some(TEST_FINAL_CLTV as u16 - 2)
+ } else { None };
+ let (_, payment_hash, payment_secret) = get_payment_preimage_hash(&nodes[2], Some(amt_msat), final_cltv_delta);
+ let mut route_params = get_blinded_route_parameters(amt_msat, payment_secret,
nodes.iter().skip(1).map(|n| n.node.get_our_node_id()).collect(), &[&chan_upd_1_2],
&chanmon_cfgs[2].keys_manager);
- let route = find_route(&nodes[0], &route_params).unwrap();
+ let route = if check == ReceiveCheckFail::ProcessPendingHTLCsCheck {
+ let mut route = get_route(&nodes[0], &route_params).unwrap();
+ // Set the final CLTV expiry too low to trigger the failure in process_pending_htlc_forwards.
+ route.paths[0].blinded_tail.as_mut().map(|bt| bt.excess_final_cltv_expiry_delta = TEST_FINAL_CLTV - 2);
+ route
+ } else if check == ReceiveCheckFail::PaymentConstraints {
+ // Create a blinded path where the receiver's encrypted payload has an htlc_minimum_msat that is
+ // violated by `amt_msat`, and stick it in the route_params without changing the corresponding
+ // BlindedPayInfo (to ensure pathfinding still succeeds).
+ let high_htlc_min_bp = {
+ let mut high_htlc_minimum_upd = chan_upd_1_2.clone();
+ high_htlc_minimum_upd.htlc_minimum_msat = amt_msat + 1000;
+ let high_htlc_min_params = get_blinded_route_parameters(amt_msat, payment_secret,
+ nodes.iter().skip(1).map(|n| n.node.get_our_node_id()).collect(), &[&high_htlc_minimum_upd],
+ &chanmon_cfgs[2].keys_manager);
+ if let Payee::Blinded { route_hints, .. } = high_htlc_min_params.payment_params.payee {
+ route_hints[0].1.clone()
+ } else { panic!() }
+ };
+ if let Payee::Blinded { ref mut route_hints, .. } = route_params.payment_params.payee {
+ route_hints[0].1 = high_htlc_min_bp;
+ } else { panic!() }
+ find_route(&nodes[0], &route_params).unwrap()
+ } else {
+ find_route(&nodes[0], &route_params).unwrap()
+ };
node_cfgs[0].router.expect_find_route(route_params.clone(), Ok(route.clone()));
nodes[0].node.send_payment(payment_hash, RecipientOnionFields::spontaneous_empty(), PaymentId(payment_hash.0), route_params, Retry::Attempts(0)).unwrap();
check_added_monitors(&nodes[0], 1);
nodes[2].node.handle_shutdown(&nodes[1].node.get_our_node_id(), &node_1_shutdown);
commitment_signed_dance!(nodes[2], nodes[1], (), false, true, false, false);
+ },
+ ReceiveCheckFail::ProcessPendingHTLCsCheck => {
+ nodes[2].node.handle_update_add_htlc(&nodes[1].node.get_our_node_id(), &payment_event_1_2.msgs[0]);
+ check_added_monitors!(nodes[2], 0);
+ do_commitment_signed_dance(&nodes[2], &nodes[1], &payment_event_1_2.commitment_msg, true, true);
+ expect_pending_htlcs_forwardable!(nodes[2]);
+ expect_pending_htlcs_forwardable_and_htlc_handling_failed_ignore!(nodes[2],
+ vec![HTLCDestination::FailedPayment { payment_hash }]);
+ check_added_monitors!(nodes[2], 1);
+ },
+ ReceiveCheckFail::PaymentConstraints => {
+ nodes[2].node.handle_update_add_htlc(&nodes[1].node.get_our_node_id(), &payment_event_1_2.msgs[0]);
+ check_added_monitors!(nodes[2], 0);
+ do_commitment_signed_dance(&nodes[2], &nodes[1], &payment_event_1_2.commitment_msg, true, true);
}
}
projects / rust-lightning / blobdiff