//! Nodes without channels are disconnected and connected as needed to ensure that deterministic
//! blinded paths are used.
+use bitcoin::network::constants::Network;
use core::time::Duration;
-use crate::blinded_path::BlindedPath;
+use crate::blinded_path::{BlindedPath, IntroductionNode};
use crate::events::{Event, MessageSendEventsProvider, PaymentPurpose};
use crate::ln::channelmanager::{PaymentId, RecentPaymentDetails, Retry, self};
use crate::ln::functional_test_utils::*;
-use crate::ln::msgs::{ChannelMessageHandler, Init, OnionMessage, OnionMessageHandler};
+use crate::ln::msgs::{ChannelMessageHandler, Init, NodeAnnouncement, OnionMessage, OnionMessageHandler, RoutingMessageHandler, SocketAddress, UnsignedGossipMessage, UnsignedNodeAnnouncement};
use crate::offers::invoice::Bolt12Invoice;
use crate::offers::invoice_error::InvoiceError;
use crate::offers::invoice_request::InvoiceRequest;
use crate::onion_message::messenger::PeeledOnion;
use crate::onion_message::offers::OffersMessage;
use crate::onion_message::packet::ParsedOnionMessageContents;
+use crate::routing::gossip::{NodeAlias, NodeId};
+use crate::sign::{NodeSigner, Recipient};
use crate::prelude::*;
}
}
+fn announce_node_address<'a, 'b, 'c>(
+ node: &Node<'a, 'b, 'c>, peers: &[&Node<'a, 'b, 'c>], address: SocketAddress,
+) {
+ let features = node.onion_messenger.provided_node_features()
+ | node.gossip_sync.provided_node_features();
+ let rgb = [0u8; 3];
+ let announcement = UnsignedNodeAnnouncement {
+ features,
+ timestamp: 1000,
+ node_id: NodeId::from_pubkey(&node.keys_manager.get_node_id(Recipient::Node).unwrap()),
+ rgb,
+ alias: NodeAlias([0u8; 32]),
+ addresses: vec![address],
+ excess_address_data: Vec::new(),
+ excess_data: Vec::new(),
+ };
+ let signature = node.keys_manager.sign_gossip_message(
+ UnsignedGossipMessage::NodeAnnouncement(&announcement)
+ ).unwrap();
+
+ let msg = NodeAnnouncement {
+ signature,
+ contents: announcement
+ };
+
+ node.gossip_sync.handle_node_announcement(&msg).unwrap();
+ for peer in peers {
+ peer.gossip_sync.handle_node_announcement(&msg).unwrap();
+ }
+}
+
fn route_bolt12_payment<'a, 'b, 'c>(
node: &Node<'a, 'b, 'c>, path: &[&Node<'a, 'b, 'c>], invoice: &Bolt12Invoice
) {
// invoice contains the payment_hash but it was encrypted inside an onion message.
let amount_msats = invoice.amount_msats();
let payment_hash = invoice.payment_hash();
- do_pass_along_path(
- node, path, amount_msats, payment_hash, None, ev, false, false, None, false
- );
+ let args = PassAlongPathArgs::new(node, path, amount_msats, payment_hash, ev)
+ .without_clearing_recipient_events();
+ do_pass_along_path(args);
}
fn claim_bolt12_payment<'a, 'b, 'c>(node: &Node<'a, 'b, 'c>, path: &[&Node<'a, 'b, 'c>]) {
}
}
+/// Checks that blinded paths without Tor-only nodes are preferred when constructing an offer.
+#[test]
+fn prefers_non_tor_nodes_in_blinded_paths() {
+ let mut accept_forward_cfg = test_default_channel_config();
+ accept_forward_cfg.accept_forwards_to_priv_channels = true;
+
+ 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);
+
+ // Add an extra channel so that more than one of Bob's peers have MIN_PEER_CHANNELS.
+ create_announced_chan_between_nodes_with_value(&nodes, 4, 5, 10_000_000, 1_000_000_000);
+
+ let (alice, bob, charlie, david) = (&nodes[0], &nodes[1], &nodes[2], &nodes[3]);
+ let bob_id = bob.node.get_our_node_id();
+ let charlie_id = charlie.node.get_our_node_id();
+
+ disconnect_peers(alice, &[charlie, david, &nodes[4], &nodes[5]]);
+ disconnect_peers(david, &[bob, &nodes[4], &nodes[5]]);
+
+ let tor = SocketAddress::OnionV2([255, 254, 253, 252, 251, 250, 249, 248, 247, 246, 38, 7]);
+ announce_node_address(charlie, &[alice, bob, david, &nodes[4], &nodes[5]], tor.clone());
+
+ let offer = bob.node
+ .create_offer_builder("coffee".to_string()).unwrap()
+ .amount_msats(10_000_000)
+ .build().unwrap();
+ assert_ne!(offer.signing_pubkey(), bob_id);
+ assert!(!offer.paths().is_empty());
+ for path in offer.paths() {
+ assert_ne!(path.introduction_node, IntroductionNode::NodeId(bob_id));
+ assert_ne!(path.introduction_node, IntroductionNode::NodeId(charlie_id));
+ }
+
+ // Use a one-hop blinded path when Bob is announced and all his peers are Tor-only.
+ announce_node_address(&nodes[4], &[alice, bob, charlie, david, &nodes[5]], tor.clone());
+ announce_node_address(&nodes[5], &[alice, bob, charlie, david, &nodes[4]], tor.clone());
+
+ let offer = bob.node
+ .create_offer_builder("coffee".to_string()).unwrap()
+ .amount_msats(10_000_000)
+ .build().unwrap();
+ assert_ne!(offer.signing_pubkey(), bob_id);
+ assert!(!offer.paths().is_empty());
+ for path in offer.paths() {
+ assert_eq!(path.introduction_node, IntroductionNode::NodeId(bob_id));
+ }
+}
+
+/// Checks that blinded paths prefer an introduction node that is the most connected.
+#[test]
+fn prefers_more_connected_nodes_in_blinded_paths() {
+ let mut accept_forward_cfg = test_default_channel_config();
+ accept_forward_cfg.accept_forwards_to_priv_channels = true;
+
+ 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);
+
+ // Add extra channels so that more than one of Bob's peers have MIN_PEER_CHANNELS and one has
+ // more than the others.
+ create_announced_chan_between_nodes_with_value(&nodes, 0, 4, 10_000_000, 1_000_000_000);
+ create_announced_chan_between_nodes_with_value(&nodes, 3, 4, 10_000_000, 1_000_000_000);
+
+ let (alice, bob, charlie, david) = (&nodes[0], &nodes[1], &nodes[2], &nodes[3]);
+ let bob_id = bob.node.get_our_node_id();
+
+ disconnect_peers(alice, &[charlie, david, &nodes[4], &nodes[5]]);
+ disconnect_peers(david, &[bob, &nodes[4], &nodes[5]]);
+
+ let offer = bob.node
+ .create_offer_builder("coffee".to_string()).unwrap()
+ .amount_msats(10_000_000)
+ .build().unwrap();
+ assert_ne!(offer.signing_pubkey(), bob_id);
+ assert!(!offer.paths().is_empty());
+ for path in offer.paths() {
+ assert_eq!(path.introduction_node, IntroductionNode::NodeId(nodes[4].node.get_our_node_id()));
+ }
+}
+
/// Checks that an offer can be paid through blinded paths and that ephemeral pubkeys are used
/// rather than exposing a node's pubkey.
#[test]
assert_ne!(offer.signing_pubkey(), alice_id);
assert!(!offer.paths().is_empty());
for path in offer.paths() {
- assert_eq!(path.introduction_node_id, bob_id);
+ assert_eq!(path.introduction_node, IntroductionNode::NodeId(bob_id));
}
let payment_id = PaymentId([1; 32]);
let (invoice_request, reply_path) = extract_invoice_request(alice, &onion_message);
assert_eq!(invoice_request.amount_msats(), None);
assert_ne!(invoice_request.payer_id(), david_id);
- assert_eq!(reply_path.unwrap().introduction_node_id, charlie_id);
+ assert_eq!(reply_path.unwrap().introduction_node, IntroductionNode::NodeId(charlie_id));
let onion_message = alice.onion_messenger.next_onion_message_for_peer(charlie_id).unwrap();
charlie.onion_messenger.handle_onion_message(&alice_id, &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_id, bob_id);
+ assert_eq!(path.introduction_node, IntroductionNode::NodeId(bob_id));
}
route_bolt12_payment(david, &[charlie, bob, alice], &invoice);
assert_ne!(refund.payer_id(), david_id);
assert!(!refund.paths().is_empty());
for path in refund.paths() {
- assert_eq!(path.introduction_node_id, charlie_id);
+ assert_eq!(path.introduction_node, IntroductionNode::NodeId(charlie_id));
}
expect_recent_payment!(david, RecentPaymentDetails::AwaitingInvoice, payment_id);
assert_ne!(invoice.signing_pubkey(), alice_id);
assert!(!invoice.payment_paths().is_empty());
for (_, path) in invoice.payment_paths() {
- assert_eq!(path.introduction_node_id, bob_id);
+ assert_eq!(path.introduction_node, IntroductionNode::NodeId(bob_id));
}
route_bolt12_payment(david, &[charlie, bob, alice], &invoice);
assert_ne!(offer.signing_pubkey(), alice_id);
assert!(!offer.paths().is_empty());
for path in offer.paths() {
- assert_eq!(path.introduction_node_id, alice_id);
+ assert_eq!(path.introduction_node, IntroductionNode::NodeId(alice_id));
}
let payment_id = PaymentId([1; 32]);
let (invoice_request, reply_path) = extract_invoice_request(alice, &onion_message);
assert_eq!(invoice_request.amount_msats(), None);
assert_ne!(invoice_request.payer_id(), bob_id);
- assert_eq!(reply_path.unwrap().introduction_node_id, bob_id);
+ assert_eq!(reply_path.unwrap().introduction_node, IntroductionNode::NodeId(bob_id));
let onion_message = alice.onion_messenger.next_onion_message_for_peer(bob_id).unwrap();
bob.onion_messenger.handle_onion_message(&alice_id, &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_id, alice_id);
+ assert_eq!(path.introduction_node, IntroductionNode::NodeId(alice_id));
}
route_bolt12_payment(bob, &[alice], &invoice);
assert_ne!(refund.payer_id(), bob_id);
assert!(!refund.paths().is_empty());
for path in refund.paths() {
- assert_eq!(path.introduction_node_id, bob_id);
+ assert_eq!(path.introduction_node, IntroductionNode::NodeId(bob_id));
}
expect_recent_payment!(bob, RecentPaymentDetails::AwaitingInvoice, payment_id);
assert_ne!(invoice.signing_pubkey(), alice_id);
assert!(!invoice.payment_paths().is_empty());
for (_, path) in invoice.payment_paths() {
- assert_eq!(path.introduction_node_id, alice_id);
+ assert_eq!(path.introduction_node, IntroductionNode::NodeId(alice_id));
}
route_bolt12_payment(bob, &[alice], &invoice);
assert!(nodes[0].node.list_recent_payments().is_empty());
}
+/// Fails creating an invoice request when the offer contains an unsupported chain.
+#[test]
+fn fails_creating_invoice_request_for_unsupported_chain() {
+ 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, None]);
+ 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 bob = &nodes[1];
+
+ let offer = alice.node
+ .create_offer_builder("coffee".to_string()).unwrap()
+ .clear_chains()
+ .chain(Network::Signet)
+ .build().unwrap();
+
+ let payment_id = PaymentId([1; 32]);
+ match bob.node.pay_for_offer(&offer, None, None, None, payment_id, Retry::Attempts(0), None) {
+ Ok(_) => panic!("Expected error"),
+ Err(e) => assert_eq!(e, Bolt12SemanticError::UnsupportedChain),
+ }
+}
+
+/// Fails requesting a payment when the refund contains an unsupported chain.
+#[test]
+fn fails_sending_invoice_with_unsupported_chain_for_refund() {
+ 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, None]);
+ 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 bob = &nodes[1];
+
+ let absolute_expiry = Duration::from_secs(u64::MAX);
+ let payment_id = PaymentId([1; 32]);
+ let refund = bob.node
+ .create_refund_builder(
+ "refund".to_string(), 10_000_000, absolute_expiry, payment_id, Retry::Attempts(0), None
+ )
+ .unwrap()
+ .chain(Network::Signet)
+ .build().unwrap();
+
+ match alice.node.request_refund_payment(&refund) {
+ Ok(_) => panic!("Expected error"),
+ Err(e) => assert_eq!(e, Bolt12SemanticError::UnsupportedChain),
+ }
+}
+
/// Fails creating an invoice request when a blinded reply path cannot be created without exposing
/// the node's id.
#[test]
projects / rust-lightning / blobdiff