Add pays_bolt12_invoice_asynchronously test

diff --git a/lightning/src/ln/offers_tests.rs b/lightning/src/ln/offers_tests.rs
index c7fb5f8fd59b09fda9784f9474e066f5de11c28b..eca43afee8a020b59223a8edaeae26527de5cf9a 100644 (file)
--- a/lightning/src/ln/offers_tests.rs
+++ b/lightning/src/ln/offers_tests.rs
@@ -46,9 +46,10 @@ use core::time::Duration;
 use crate::blinded_path::{BlindedPath, IntroductionNode};
 use crate::blinded_path::payment::{Bolt12OfferContext, Bolt12RefundContext, PaymentContext};
 use crate::events::{Event, MessageSendEventsProvider, PaymentPurpose};
-use crate::ln::channelmanager::{MAX_SHORT_LIVED_RELATIVE_EXPIRY, PaymentId, RecentPaymentDetails, Retry, self};
+use crate::ln::channelmanager::{Bolt12PaymentError, MAX_SHORT_LIVED_RELATIVE_EXPIRY, PaymentId, RecentPaymentDetails, Retry, self};
 use crate::ln::functional_test_utils::*;
 use crate::ln::msgs::{ChannelMessageHandler, Init, NodeAnnouncement, OnionMessage, OnionMessageHandler, RoutingMessageHandler, SocketAddress, UnsignedGossipMessage, UnsignedNodeAnnouncement};
+use crate::ln::outbound_payment::IDEMPOTENCY_TIMEOUT_TICKS;
 use crate::offers::invoice::Bolt12Invoice;
 use crate::offers::invoice_error::InvoiceError;
 use crate::offers::invoice_request::{InvoiceRequest, InvoiceRequestFields};
@@ -865,6 +866,90 @@ fn pays_for_refund_without_blinded_paths() {
        expect_recent_payment!(bob, RecentPaymentDetails::Fulfilled, payment_id);
 }
 
+/// Checks that a deferred invoice can be paid asynchronously from an Event::InvoiceReceived.
+#[test]
+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),
+       );
+}
+
 /// Fails creating an offer when a blinded path cannot be created without exposing the node's id.
 #[test]
 fn fails_creating_offer_without_blinded_paths() {