From a2b4813c1f9421e3074145bf0ffd67e8636692a6 Mon Sep 17 00:00:00 2001 From: Valentine Wallace Date: Fri, 13 Oct 2023 15:53:45 -0400 Subject: [PATCH] Test recipient failing an HTLC received to a multi-hop blinded path --- lightning/src/ln/blinded_payment_tests.rs | 42 +++++++++++++++++++++++ 1 file changed, 42 insertions(+) diff --git a/lightning/src/ln/blinded_payment_tests.rs b/lightning/src/ln/blinded_payment_tests.rs index 708a05d33..1494efdaa 100644 --- a/lightning/src/ln/blinded_payment_tests.rs +++ b/lightning/src/ln/blinded_payment_tests.rs @@ -453,3 +453,45 @@ fn two_hop_blinded_path_success() { pass_along_route(&nodes[0], &[&[&nodes[1], &nodes[2]]], amt_msat, payment_hash, payment_secret); claim_payment(&nodes[0], &[&nodes[1], &nodes[2]], payment_preimage); } + +#[test] +fn multi_hop_receiver_fail() { + 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, None, None]); + let mut 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_1_2 = create_announced_chan_between_nodes_with_value(&nodes, 1, 2, 1_000_000, 0).0.contents; + + 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, + nodes.iter().skip(1).map(|n| n.node.get_our_node_id()).collect(), &[&chan_upd_1_2], + &chanmon_cfgs[2].keys_manager); + + 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); + pass_along_route(&nodes[0], &[&[&nodes[1], &nodes[2]]], amt_msat, payment_hash, payment_secret); + + nodes[2].node.fail_htlc_backwards(&payment_hash); + expect_pending_htlcs_forwardable_conditions( + nodes[2].node.get_and_clear_pending_events(), &[HTLCDestination::FailedPayment { payment_hash }] + ); + nodes[2].node.process_pending_htlc_forwards(); + check_added_monitors!(nodes[2], 1); + + let updates_2_1 = get_htlc_update_msgs!(nodes[2], nodes[1].node.get_our_node_id()); + assert_eq!(updates_2_1.update_fail_malformed_htlcs.len(), 1); + let update_malformed = &updates_2_1.update_fail_malformed_htlcs[0]; + assert_eq!(update_malformed.sha256_of_onion, [0; 32]); + assert_eq!(update_malformed.failure_code, INVALID_ONION_BLINDING); + nodes[1].node.handle_update_fail_malformed_htlc(&nodes[2].node.get_our_node_id(), update_malformed); + do_commitment_signed_dance(&nodes[1], &nodes[2], &updates_2_1.commitment_signed, true, false); + + let updates_1_0 = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id()); + assert_eq!(updates_1_0.update_fail_htlcs.len(), 1); + nodes[0].node.handle_update_fail_htlc(&nodes[1].node.get_our_node_id(), &updates_1_0.update_fail_htlcs[0]); + do_commitment_signed_dance(&nodes[0], &nodes[1], &updates_1_0.commitment_signed, false, false); + expect_payment_failed_conditions(&nodes[0], payment_hash, false, + PaymentFailedConditions::new().expected_htlc_error_data(INVALID_ONION_BLINDING, &[0; 32])); +} -- 2.39.5