//! blinded paths are used.
use bitcoin::network::Network;
-use bitcoin::secp256k1::PublicKey;
+use bitcoin::secp256k1::{PublicKey, Secp256k1};
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::blinded_path::message::{MessageContext, OffersContext};
+use crate::events::{Event, MessageSendEventsProvider, PaymentFailureReason, PaymentPurpose};
use crate::ln::channelmanager::{Bolt12PaymentError, MAX_SHORT_LIVED_RELATIVE_EXPIRY, PaymentId, RecentPaymentDetails, Retry, self};
+use crate::ln::features::Bolt12InvoiceFeatures;
use crate::ln::functional_test_utils::*;
+use crate::ln::inbound_payment::ExpandedKey;
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};
+use crate::offers::nonce::Nonce;
use crate::offers::parse::Bolt12SemanticError;
-use crate::onion_message::messenger::{Destination, PeeledOnion};
+use crate::onion_message::messenger::{Destination, PeeledOnion, new_pending_onion_message};
use crate::onion_message::offers::OffersMessage;
use crate::onion_message::packet::ParsedOnionMessageContents;
use crate::routing::gossip::{NodeAlias, NodeId};
claim_payment(node, path, payment_preimage);
}
+fn extract_offer_nonce<'a, 'b, 'c>(node: &Node<'a, 'b, 'c>, message: &OnionMessage) -> Nonce {
+ match node.onion_messenger.peel_onion_message(message) {
+ Ok(PeeledOnion::Receive(_, Some(MessageContext::Offers(OffersContext::InvoiceRequest { nonce })), _)) => nonce,
+ Ok(PeeledOnion::Receive(_, context, _)) => panic!("Unexpected onion message context: {:?}", context),
+ Ok(PeeledOnion::Forward(_, _)) => panic!("Unexpected onion message forward"),
+ Err(e) => panic!("Failed to process onion message {:?}", e),
+ }
+}
+
fn extract_invoice_request<'a, 'b, 'c>(
node: &Node<'a, 'b, 'c>, message: &OnionMessage
) -> (InvoiceRequest, BlindedPath) {
claim_bolt12_payment(david, &[charlie, bob, alice], payment_context);
expect_recent_payment!(david, RecentPaymentDetails::Fulfilled, payment_id);
}
+
+#[test]
+fn fails_paying_invoice_with_unknown_required_features() {
+ let mut accept_forward_cfg = test_default_channel_config();
+ accept_forward_cfg.accept_forwards_to_priv_channels = true;
+
+ // Clearing route_blinding prevents forming any payment paths since the node is unannounced.
+ let mut features = channelmanager::provided_init_features(&accept_forward_cfg);
+ features.set_onion_messages_optional();
+ features.set_route_blinding_optional();
+
+ let chanmon_cfgs = create_chanmon_cfgs(6);
+ let node_cfgs = create_node_cfgs(6, &chanmon_cfgs);
+
+ *node_cfgs[1].override_init_features.borrow_mut() = Some(features);
+
+ let node_chanmgrs = create_node_chanmgrs(
+ 6, &node_cfgs, &[None, Some(accept_forward_cfg), None, None, None, None]
+ );
+ let nodes = create_network(6, &node_cfgs, &node_chanmgrs);
+
+ create_unannounced_chan_between_nodes_with_value(&nodes, 0, 1, 10_000_000, 1_000_000_000);
+ create_unannounced_chan_between_nodes_with_value(&nodes, 2, 3, 10_000_000, 1_000_000_000);
+ create_announced_chan_between_nodes_with_value(&nodes, 1, 2, 10_000_000, 1_000_000_000);
+ create_announced_chan_between_nodes_with_value(&nodes, 1, 4, 10_000_000, 1_000_000_000);
+ create_announced_chan_between_nodes_with_value(&nodes, 1, 5, 10_000_000, 1_000_000_000);
+ create_announced_chan_between_nodes_with_value(&nodes, 2, 4, 10_000_000, 1_000_000_000);
+ create_announced_chan_between_nodes_with_value(&nodes, 2, 5, 10_000_000, 1_000_000_000);
+
+ let (alice, bob, charlie, david) = (&nodes[0], &nodes[1], &nodes[2], &nodes[3]);
+ let alice_id = alice.node.get_our_node_id();
+ let bob_id = bob.node.get_our_node_id();
+ let charlie_id = charlie.node.get_our_node_id();
+ let david_id = david.node.get_our_node_id();
+
+ disconnect_peers(alice, &[charlie, david, &nodes[4], &nodes[5]]);
+ disconnect_peers(david, &[bob, &nodes[4], &nodes[5]]);
+
+ let offer = alice.node
+ .create_offer_builder(None).unwrap()
+ .amount_msats(10_000_000)
+ .build().unwrap();
+
+ let payment_id = PaymentId([1; 32]);
+ david.node.pay_for_offer(&offer, None, None, None, payment_id, Retry::Attempts(0), None)
+ .unwrap();
+
+ connect_peers(david, bob);
+
+ let onion_message = david.onion_messenger.next_onion_message_for_peer(bob_id).unwrap();
+ bob.onion_messenger.handle_onion_message(&david_id, &onion_message);
+
+ connect_peers(alice, charlie);
+
+ 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);
+ let nonce = extract_offer_nonce(alice, &onion_message);
+
+ let onion_message = alice.onion_messenger.next_onion_message_for_peer(charlie_id).unwrap();
+ charlie.onion_messenger.handle_onion_message(&alice_id, &onion_message);
+
+ // Drop the invoice in favor for one with unknown required features.
+ let onion_message = charlie.onion_messenger.next_onion_message_for_peer(david_id).unwrap();
+ let (invoice, _) = extract_invoice(david, &onion_message);
+
+ let payment_paths = invoice.payment_paths().to_vec();
+ let payment_hash = invoice.payment_hash();
+
+ let expanded_key = ExpandedKey::new(&alice.keys_manager.get_inbound_payment_key_material());
+ let secp_ctx = Secp256k1::new();
+
+ let created_at = alice.node.duration_since_epoch();
+ let invoice = invoice_request
+ .verify_using_recipient_data(nonce, &expanded_key, &secp_ctx).unwrap()
+ .respond_using_derived_keys_no_std(payment_paths, payment_hash, created_at).unwrap()
+ .features_unchecked(Bolt12InvoiceFeatures::unknown())
+ .build_and_sign(&secp_ctx).unwrap();
+
+ // Enqueue an onion message containing the new invoice.
+ let pending_message = new_pending_onion_message(
+ OffersMessage::Invoice(invoice), Destination::BlindedPath(reply_path), None
+ );
+ alice.node.pending_offers_messages.lock().unwrap().push(pending_message);
+
+ let onion_message = alice.onion_messenger.next_onion_message_for_peer(charlie_id).unwrap();
+ charlie.onion_messenger.handle_onion_message(&alice_id, &onion_message);
+
+ let onion_message = charlie.onion_messenger.next_onion_message_for_peer(david_id).unwrap();
+ david.onion_messenger.handle_onion_message(&charlie_id, &onion_message);
+
+ // Confirm that david drops this failed payment from his pending outbound payments.
+ match get_event!(david, Event::PaymentFailed) {
+ Event::PaymentFailed {
+ payment_id: event_payment_id,
+ payment_hash: event_payment_hash,
+ reason: Some(event_reason),
+ } => {
+ assert_eq!(event_payment_id, payment_id);
+ assert_eq!(event_payment_hash, payment_hash);
+ assert_eq!(event_reason, PaymentFailureReason::UnknownRequiredFeatures);
+ },
+ _ => panic!("Expected Event::PaymentFailed with reason"),
+ }
+}