1 // This file is Copyright its original authors, visible in version control
4 // This file is licensed under the Apache License, Version 2.0 <LICENSE-APACHE
5 // or http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
6 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your option.
7 // You may not use this file except in accordance with one or both of these
10 use bitcoin::secp256k1::Secp256k1;
11 use crate::blinded_path::BlindedPath;
12 use crate::blinded_path::payment::{PaymentConstraints, ReceiveTlvs};
13 use crate::events::MessageSendEventsProvider;
14 use crate::ln::channelmanager;
15 use crate::ln::channelmanager::{PaymentId, RecipientOnionFields};
16 use crate::ln::features::Bolt12InvoiceFeatures;
17 use crate::ln::functional_test_utils::*;
18 use crate::ln::outbound_payment::Retry;
19 use crate::prelude::*;
20 use crate::routing::router::{PaymentParameters, RouteParameters};
21 use crate::util::config::UserConfig;
24 fn one_hop_blinded_path() {
25 do_one_hop_blinded_path(true);
26 do_one_hop_blinded_path(false);
29 fn do_one_hop_blinded_path(success: bool) {
30 let chanmon_cfgs = create_chanmon_cfgs(2);
31 let node_cfgs = create_node_cfgs(2, &chanmon_cfgs);
32 let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
33 let nodes = create_network(2, &node_cfgs, &node_chanmgrs);
34 let chan_upd = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1_000_000, 0).0.contents;
37 let (payment_preimage, payment_hash, payment_secret) = get_payment_preimage_hash(&nodes[1], Some(amt_msat), None);
38 let payee_tlvs = ReceiveTlvs {
40 payment_constraints: PaymentConstraints {
41 max_cltv_expiry: u32::max_value(),
42 htlc_minimum_msat: chan_upd.htlc_minimum_msat,
45 let mut secp_ctx = Secp256k1::new();
46 let blinded_path = BlindedPath::new_for_payment(
47 &[], nodes[1].node.get_our_node_id(), payee_tlvs, chan_upd.htlc_maximum_msat,
48 &chanmon_cfgs[1].keys_manager, &secp_ctx
51 let route_params = RouteParameters {
52 payment_params: PaymentParameters::blinded(vec![blinded_path]),
53 final_value_msat: amt_msat
55 nodes[0].node.send_payment(payment_hash, RecipientOnionFields::spontaneous_empty(),
56 PaymentId(payment_hash.0), route_params, Retry::Attempts(0)).unwrap();
57 check_added_monitors(&nodes[0], 1);
58 pass_along_route(&nodes[0], &[&[&nodes[1]]], amt_msat, payment_hash, payment_secret);
60 claim_payment(&nodes[0], &[&nodes[1]], payment_preimage);
62 fail_payment(&nodes[0], &[&nodes[1]], payment_hash);
67 fn mpp_to_one_hop_blinded_path() {
68 let chanmon_cfgs = create_chanmon_cfgs(4);
69 let node_cfgs = create_node_cfgs(4, &chanmon_cfgs);
70 let node_chanmgrs = create_node_chanmgrs(4, &node_cfgs, &[None, None, None, None]);
71 let nodes = create_network(4, &node_cfgs, &node_chanmgrs);
72 let mut secp_ctx = Secp256k1::new();
74 create_announced_chan_between_nodes(&nodes, 0, 1);
75 create_announced_chan_between_nodes(&nodes, 0, 2);
76 let chan_upd_1_3 = create_announced_chan_between_nodes(&nodes, 1, 3).0.contents;
77 create_announced_chan_between_nodes(&nodes, 2, 3).0.contents;
79 let amt_msat = 15_000_000;
80 let (payment_preimage, payment_hash, payment_secret) = get_payment_preimage_hash(&nodes[3], Some(amt_msat), None);
81 let payee_tlvs = ReceiveTlvs {
83 payment_constraints: PaymentConstraints {
84 max_cltv_expiry: u32::max_value(),
85 htlc_minimum_msat: chan_upd_1_3.htlc_minimum_msat,
88 let blinded_path = BlindedPath::new_for_payment(
89 &[], nodes[3].node.get_our_node_id(), payee_tlvs, u64::max_value(),
90 &chanmon_cfgs[3].keys_manager, &secp_ctx
93 let bolt12_features: Bolt12InvoiceFeatures =
94 channelmanager::provided_invoice_features(&UserConfig::default()).to_context();
95 let route_params = RouteParameters {
96 payment_params: PaymentParameters::blinded(vec![blinded_path])
97 .with_bolt12_features(bolt12_features).unwrap(),
98 final_value_msat: amt_msat,
100 nodes[0].node.send_payment(payment_hash, RecipientOnionFields::spontaneous_empty(), PaymentId(payment_hash.0), route_params, Retry::Attempts(0)).unwrap();
101 check_added_monitors(&nodes[0], 2);
103 let expected_route: &[&[&Node]] = &[&[&nodes[1], &nodes[3]], &[&nodes[2], &nodes[3]]];
104 let mut events = nodes[0].node.get_and_clear_pending_msg_events();
105 assert_eq!(events.len(), 2);
107 let ev = remove_first_msg_event_to_node(&nodes[1].node.get_our_node_id(), &mut events);
108 pass_along_path(&nodes[0], expected_route[0], amt_msat, payment_hash.clone(),
109 Some(payment_secret), ev.clone(), false, None);
111 let ev = remove_first_msg_event_to_node(&nodes[2].node.get_our_node_id(), &mut events);
112 pass_along_path(&nodes[0], expected_route[1], amt_msat, payment_hash.clone(),
113 Some(payment_secret), ev.clone(), true, None);
114 claim_payment_along_route(&nodes[0], expected_route, false, payment_preimage);