_ Git - rust-lightning/blob - lightning/src/ln/blinded_payment_tests.rs

   1 // This file is Copyright its original authors, visible in version control
   2 // history.
   3 //
   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
   8 // licenses.
   9
  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::functional_test_utils::*;
  17 use crate::ln::outbound_payment::Retry;
  18 use crate::prelude::*;
  19 use crate::routing::router::{PaymentParameters, RouteParameters};
  20 use crate::util::config::UserConfig;
  21
  22 #[test]
  23 fn one_hop_blinded_path() {
  24         do_one_hop_blinded_path(true);
  25         do_one_hop_blinded_path(false);
  26 }
  27
  28 fn do_one_hop_blinded_path(success: bool) {
  29         let chanmon_cfgs = create_chanmon_cfgs(2);
  30         let node_cfgs = create_node_cfgs(2, &chanmon_cfgs);
  31         let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
  32         let nodes = create_network(2, &node_cfgs, &node_chanmgrs);
  33         let chan_upd = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1_000_000, 0).0.contents;
  34
  35         let amt_msat = 5000;
  36         let (payment_preimage, payment_hash, payment_secret) = get_payment_preimage_hash(&nodes[1], Some(amt_msat), None);
  37         let payee_tlvs = ReceiveTlvs {
  38                 payment_secret,
  39                 payment_constraints: PaymentConstraints {
  40                         max_cltv_expiry: u32::max_value(),
  41                         htlc_minimum_msat: chan_upd.htlc_minimum_msat,
  42                 },
  43         };
  44         let mut secp_ctx = Secp256k1::new();
  45         let blinded_path = BlindedPath::one_hop_for_payment(
  46                 nodes[1].node.get_our_node_id(), payee_tlvs, &chanmon_cfgs[1].keys_manager, &secp_ctx
  47         ).unwrap();
  48
  49         let route_params = RouteParameters::from_payment_params_and_value(
  50                 PaymentParameters::blinded(vec![blinded_path]),
  51                 amt_msat,
  52         );
  53         nodes[0].node.send_payment(payment_hash, RecipientOnionFields::spontaneous_empty(),
  54         PaymentId(payment_hash.0), route_params, Retry::Attempts(0)).unwrap();
  55         check_added_monitors(&nodes[0], 1);
  56         pass_along_route(&nodes[0], &[&[&nodes[1]]], amt_msat, payment_hash, payment_secret);
  57         if success {
  58                 claim_payment(&nodes[0], &[&nodes[1]], payment_preimage);
  59         } else {
  60                 fail_payment(&nodes[0], &[&nodes[1]], payment_hash);
  61         }
  62 }
  63
  64 #[test]
  65 fn mpp_to_one_hop_blinded_path() {
  66         let chanmon_cfgs = create_chanmon_cfgs(4);
  67         let node_cfgs = create_node_cfgs(4, &chanmon_cfgs);
  68         let node_chanmgrs = create_node_chanmgrs(4, &node_cfgs, &[None, None, None, None]);
  69         let nodes = create_network(4, &node_cfgs, &node_chanmgrs);
  70         let mut secp_ctx = Secp256k1::new();
  71
  72         create_announced_chan_between_nodes(&nodes, 0, 1);
  73         create_announced_chan_between_nodes(&nodes, 0, 2);
  74         let chan_upd_1_3 = create_announced_chan_between_nodes(&nodes, 1, 3).0.contents;
  75         create_announced_chan_between_nodes(&nodes, 2, 3).0.contents;
  76
  77         let amt_msat = 15_000_000;
  78         let (payment_preimage, payment_hash, payment_secret) = get_payment_preimage_hash(&nodes[3], Some(amt_msat), None);
  79         let payee_tlvs = ReceiveTlvs {
  80                 payment_secret,
  81                 payment_constraints: PaymentConstraints {
  82                         max_cltv_expiry: u32::max_value(),
  83                         htlc_minimum_msat: chan_upd_1_3.htlc_minimum_msat,
  84                 },
  85         };
  86         let blinded_path = BlindedPath::one_hop_for_payment(
  87                 nodes[3].node.get_our_node_id(), payee_tlvs, &chanmon_cfgs[3].keys_manager, &secp_ctx
  88         ).unwrap();
  89
  90         let bolt12_features =
  91                 channelmanager::provided_bolt12_invoice_features(&UserConfig::default());
  92         let route_params = RouteParameters::from_payment_params_and_value(
  93                 PaymentParameters::blinded(vec![blinded_path]).with_bolt12_features(bolt12_features).unwrap(),
  94                 amt_msat,
  95         );
  96         nodes[0].node.send_payment(payment_hash, RecipientOnionFields::spontaneous_empty(), PaymentId(payment_hash.0), route_params, Retry::Attempts(0)).unwrap();
  97         check_added_monitors(&nodes[0], 2);
  98
  99         let expected_route: &[&[&Node]] = &[&[&nodes[1], &nodes[3]], &[&nodes[2], &nodes[3]]];
 100         let mut events = nodes[0].node.get_and_clear_pending_msg_events();
 101         assert_eq!(events.len(), 2);
 102
 103         let ev = remove_first_msg_event_to_node(&nodes[1].node.get_our_node_id(), &mut events);
 104         pass_along_path(&nodes[0], expected_route[0], amt_msat, payment_hash.clone(),
 105                 Some(payment_secret), ev.clone(), false, None);
 106
 107         let ev = remove_first_msg_event_to_node(&nodes[2].node.get_our_node_id(), &mut events);
 108         pass_along_path(&nodes[0], expected_route[1], amt_msat, payment_hash.clone(),
 109                 Some(payment_secret), ev.clone(), true, None);
 110         claim_payment_along_route(&nodes[0], expected_route, false, payment_preimage);
 111 }