+fn pays_bolt12_invoice_asynchronously() {
+ let mut manually_pay_cfg = test_default_channel_config();
+ manually_pay_cfg.manually_handle_bolt12_invoices = true;
+
+ let chanmon_cfgs = create_chanmon_cfgs(2);
+ let node_cfgs = create_node_cfgs(2, &chanmon_cfgs);
+ let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, Some(manually_pay_cfg)]);
+ let nodes = create_network(2, &node_cfgs, &node_chanmgrs);
+
+ create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 10_000_000, 1_000_000_000);
+
+ let alice = &nodes[0];
+ let alice_id = alice.node.get_our_node_id();
+ let bob = &nodes[1];
+ let bob_id = bob.node.get_our_node_id();
+
+ let offer = alice.node
+ .create_offer_builder(None).unwrap()
+ .amount_msats(10_000_000)
+ .build().unwrap();
+
+ let payment_id = PaymentId([1; 32]);
+ bob.node.pay_for_offer(&offer, None, None, None, payment_id, Retry::Attempts(0), None).unwrap();
+ expect_recent_payment!(bob, RecentPaymentDetails::AwaitingInvoice, payment_id);
+
+ let onion_message = bob.onion_messenger.next_onion_message_for_peer(alice_id).unwrap();
+ alice.onion_messenger.handle_onion_message(&bob_id, &onion_message);
+
+ let (invoice_request, _) = extract_invoice_request(alice, &onion_message);
+ let payment_context = PaymentContext::Bolt12Offer(Bolt12OfferContext {
+ offer_id: offer.id(),
+ invoice_request: InvoiceRequestFields {
+ payer_id: invoice_request.payer_id(),
+ quantity: None,
+ payer_note_truncated: None,
+ },
+ });
+
+ let onion_message = alice.onion_messenger.next_onion_message_for_peer(bob_id).unwrap();
+ bob.onion_messenger.handle_onion_message(&alice_id, &onion_message);
+
+ let invoice = match get_event!(bob, Event::InvoiceReceived) {
+ Event::InvoiceReceived { payment_id: actual_payment_id, invoice, .. } => {
+ assert_eq!(actual_payment_id, payment_id);
+ invoice
+ },
+ _ => panic!("No Event::InvoiceReceived"),
+ };
+ assert_eq!(invoice.amount_msats(), 10_000_000);
+ assert_ne!(invoice.signing_pubkey(), alice_id);
+ assert!(!invoice.payment_paths().is_empty());
+ for (_, path) in invoice.payment_paths() {
+ assert_eq!(path.introduction_node, IntroductionNode::NodeId(alice_id));
+ }
+
+ assert!(bob.node.send_payment_for_bolt12_invoice(&invoice).is_ok());
+ assert_eq!(
+ bob.node.send_payment_for_bolt12_invoice(&invoice),
+ Err(Bolt12PaymentError::DuplicateInvoice),
+ );
+
+ route_bolt12_payment(bob, &[alice], &invoice);
+ expect_recent_payment!(bob, RecentPaymentDetails::Pending, payment_id);
+
+ claim_bolt12_payment(bob, &[alice], payment_context);
+ expect_recent_payment!(bob, RecentPaymentDetails::Fulfilled, payment_id);
+
+ assert_eq!(
+ bob.node.send_payment_for_bolt12_invoice(&invoice),
+ Err(Bolt12PaymentError::DuplicateInvoice),
+ );
+
+ for _ in 0..=IDEMPOTENCY_TIMEOUT_TICKS {
+ bob.node.timer_tick_occurred();
+ }
+
+ assert_eq!(
+ bob.node.send_payment_for_bolt12_invoice(&invoice),
+ Err(Bolt12PaymentError::UnexpectedInvoice),
+ );
+}
+
+/// Checks that an offer can be created using an unannounced node as a blinded path's introduction
+/// node. This is only preferred if there are no other options which may indicated either the offer
+/// is intended for the unannounced node or that the node is actually announced (e.g., an LSP) but
+/// the recipient doesn't have a network graph.
+#[test]
+fn creates_offer_with_blinded_path_using_unannounced_introduction_node() {