+ 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();
+ assert_ne!(offer.signing_pubkey(), Some(alice_id));
+ assert!(!offer.paths().is_empty());
+ for path in offer.paths() {
+ assert_eq!(path.introduction_node, IntroductionNode::NodeId(bob_id));
+ }
+
+ 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, reply_path) = extract_invoice_request(alice, &onion_message);
+ assert_ne!(invoice_request.payer_id(), bob_id);
+ assert_eq!(reply_path.introduction_node, IntroductionNode::NodeId(alice_id));
+
+ let onion_message = alice.onion_messenger.next_onion_message_for_peer(bob_id).unwrap();
+
+ let invoice = extract_invoice(bob, &onion_message);
+ 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(bob_id));