Support forwarding blinded HTLCs as non-intro node.

[rust-lightning] / lightning / src / ln / functional_test_utils.rs

diff --git a/lightning/src/ln/functional_test_utils.rs b/lightning/src/ln/functional_test_utils.rs
index d3d2e3322cafb79f58573d6e18aa7deb84672709..2adfe2f9379c04c6352a709ff2471232f87d6141 100644 (file)
--- a/lightning/src/ln/functional_test_utils.rs
+++ b/lightning/src/ln/functional_test_utils.rs
@@ -1218,7 +1218,7 @@ pub fn open_zero_conf_channel<'a, 'b, 'c, 'd>(initiator: &'a Node<'b, 'c, 'd>, r
        (tx, as_channel_ready.channel_id)
 }
 
-pub fn create_chan_between_nodes_with_value_init<'a, 'b, 'c>(node_a: &Node<'a, 'b, 'c>, node_b: &Node<'a, 'b, 'c>, channel_value: u64, push_msat: u64) -> Transaction {
+pub fn exchange_open_accept_chan<'a, 'b, 'c>(node_a: &Node<'a, 'b, 'c>, node_b: &Node<'a, 'b, 'c>, channel_value: u64, push_msat: u64) -> ChannelId {
        let create_chan_id = node_a.node.create_channel(node_b.node.get_our_node_id(), channel_value, push_msat, 42, None, None).unwrap();
        let open_channel_msg = get_event_msg!(node_a, MessageSendEvent::SendOpenChannel, node_b.node.get_our_node_id());
        assert_eq!(open_channel_msg.temporary_channel_id, create_chan_id);
@@ -1238,6 +1238,11 @@ pub fn create_chan_between_nodes_with_value_init<'a, 'b, 'c>(node_a: &Node<'a, '
        node_a.node.handle_accept_channel(&node_b.node.get_our_node_id(), &accept_channel_msg);
        assert_ne!(node_b.node.list_channels().iter().find(|channel| channel.channel_id == create_chan_id).unwrap().user_channel_id, 0);
 
+       create_chan_id
+}
+
+pub fn create_chan_between_nodes_with_value_init<'a, 'b, 'c>(node_a: &Node<'a, 'b, 'c>, node_b: &Node<'a, 'b, 'c>, channel_value: u64, push_msat: u64) -> Transaction {
+       let create_chan_id = exchange_open_accept_chan(node_a, node_b, channel_value, push_msat);
        sign_funding_transaction(node_a, node_b, channel_value, create_chan_id)
 }
 
@@ -1536,6 +1541,18 @@ pub struct ExpectedCloseEvent {
        pub reason: Option<ClosureReason>,
 }
 
+impl ExpectedCloseEvent {
+       pub fn from_id_reason(channel_id: ChannelId, discard_funding: bool, reason: ClosureReason) -> Self {
+               Self {
+                       channel_capacity_sats: None,
+                       channel_id: Some(channel_id),
+                       counterparty_node_id: None,
+                       discard_funding,
+                       reason: Some(reason),
+               }
+       }
+}
+
 /// Check that multiple channel closing events have been issued.
 pub fn check_closed_events(node: &Node, expected_close_events: &[ExpectedCloseEvent]) {
        let closed_events_count = expected_close_events.len();
@@ -1971,6 +1988,18 @@ pub fn get_route(send_node: &Node, route_params: &RouteParameters) -> Result<Rou
        )
 }
 
+/// Like `get_route` above, but adds a random CLTV offset to the final hop.
+pub fn find_route(send_node: &Node, route_params: &RouteParameters) -> Result<Route, msgs::LightningError> {
+       let scorer = TestScorer::new();
+       let keys_manager = TestKeysInterface::new(&[0u8; 32], bitcoin::network::constants::Network::Testnet);
+       let random_seed_bytes = keys_manager.get_secure_random_bytes();
+       router::find_route(
+               &send_node.node.get_our_node_id(), route_params, &send_node.network_graph,
+               Some(&send_node.node.list_usable_channels().iter().collect::<Vec<_>>()),
+               send_node.logger, &scorer, &Default::default(), &random_seed_bytes
+       )
+}
+
 /// Gets a route from the given sender to the node described in `payment_params`.
 ///
 /// Don't use this, use the identically-named function instead.