}
}
-pub fn send_along_route_with_secret<'a, 'b>(origin_node: &Node<'a, 'b>, route: Route, expected_route: &[&Node<'a, 'b>], recv_value: u64, our_payment_hash: PaymentHash, our_payment_secret: Option<[u8; 32]>) {
- let mut payment_event = {
- origin_node.node.send_payment(route, our_payment_hash, our_payment_secret.as_ref()).unwrap();
- check_added_monitors!(origin_node, 1);
-
- let mut events = origin_node.node.get_and_clear_pending_msg_events();
- assert_eq!(events.len(), 1);
- SendEvent::from_event(events.remove(0))
- };
- let mut prev_node = origin_node;
-
- for (idx, &node) in expected_route.iter().enumerate() {
- assert_eq!(node.node.get_our_node_id(), payment_event.node_id);
-
- node.node.handle_update_add_htlc(&prev_node.node.get_our_node_id(), &payment_event.msgs[0]);
- check_added_monitors!(node, 0);
- commitment_signed_dance!(node, prev_node, payment_event.commitment_msg, false);
-
- expect_pending_htlcs_forwardable!(node);
-
- if idx == expected_route.len() - 1 {
- let events_2 = node.node.get_and_clear_pending_events();
- assert_eq!(events_2.len(), 1);
- match events_2[0] {
- Event::PaymentReceived { ref payment_hash, ref payment_secret, amt } => {
- assert_eq!(our_payment_hash, *payment_hash);
- assert_eq!(our_payment_secret, *payment_secret);
- assert_eq!(amt, recv_value);
- },
- _ => panic!("Unexpected event"),
+pub fn send_along_route_with_secret<'a, 'b>(origin_node: &Node<'a, 'b>, route: Route, expected_paths: &[&[&Node<'a, 'b>]], recv_value: u64, our_payment_hash: PaymentHash, our_payment_secret: Option<[u8; 32]>) {
+ origin_node.node.send_payment(route, our_payment_hash, our_payment_secret.as_ref()).unwrap();
+ check_added_monitors!(origin_node, expected_paths.len());
+
+ let mut events = origin_node.node.get_and_clear_pending_msg_events();
+ assert_eq!(events.len(), expected_paths.len());
+ for (path_idx, (ev, expected_route)) in events.drain(..).zip(expected_paths.iter()).enumerate() {
+ let mut payment_event = SendEvent::from_event(ev);
+ let mut prev_node = origin_node;
+
+ for (idx, &node) in expected_route.iter().enumerate() {
+ assert_eq!(node.node.get_our_node_id(), payment_event.node_id);
+
+ node.node.handle_update_add_htlc(&prev_node.node.get_our_node_id(), &payment_event.msgs[0]);
+ check_added_monitors!(node, 0);
+ commitment_signed_dance!(node, prev_node, payment_event.commitment_msg, false);
+
+ expect_pending_htlcs_forwardable!(node);
+
+ if idx == expected_route.len() - 1 {
+ let events_2 = node.node.get_and_clear_pending_events();
+ if path_idx == expected_paths.len() - 1 {
+ assert_eq!(events_2.len(), 1);
+ match events_2[0] {
+ Event::PaymentReceived { ref payment_hash, ref payment_secret, amt } => {
+ assert_eq!(our_payment_hash, *payment_hash);
+ assert_eq!(our_payment_secret, *payment_secret);
+ assert_eq!(amt, recv_value);
+ },
+ _ => panic!("Unexpected event"),
+ }
+ } else {
+ assert!(events_2.is_empty());
+ }
+ } else {
+ let mut events_2 = node.node.get_and_clear_pending_msg_events();
+ assert_eq!(events_2.len(), 1);
+ check_added_monitors!(node, 1);
+ payment_event = SendEvent::from_event(events_2.remove(0));
+ assert_eq!(payment_event.msgs.len(), 1);
}
- } else {
- let mut events_2 = node.node.get_and_clear_pending_msg_events();
- assert_eq!(events_2.len(), 1);
- check_added_monitors!(node, 1);
- payment_event = SendEvent::from_event(events_2.remove(0));
- assert_eq!(payment_event.msgs.len(), 1);
- }
- prev_node = node;
+ prev_node = node;
+ }
}
}
pub fn send_along_route_with_hash<'a, 'b>(origin_node: &Node<'a, 'b>, route: Route, expected_route: &[&Node<'a, 'b>], recv_value: u64, our_payment_hash: PaymentHash) {
- send_along_route_with_secret(origin_node, route, expected_route, recv_value, our_payment_hash, None);
+ send_along_route_with_secret(origin_node, route, &[expected_route], recv_value, our_payment_hash, None);
}
pub fn send_along_route<'a, 'b>(origin_node: &Node<'a, 'b>, route: Route, expected_route: &[&Node<'a, 'b>], recv_value: u64) -> (PaymentPreimage, PaymentHash) {
(our_payment_preimage, our_payment_hash)
}
-pub fn claim_payment_along_route_with_secret<'a, 'b>(origin_node: &Node<'a, 'b>, expected_route: &[&Node<'a, 'b>], skip_last: bool, our_payment_preimage: PaymentPreimage, our_payment_secret: Option<[u8; 32]>, expected_amount: u64) {
- assert!(expected_route.last().unwrap().node.claim_funds(our_payment_preimage, &our_payment_secret, expected_amount));
- check_added_monitors!(expected_route.last().unwrap(), 1);
+pub fn claim_payment_along_route_with_secret<'a, 'b>(origin_node: &Node<'a, 'b>, expected_paths: &[&[&Node<'a, 'b>]], skip_last: bool, our_payment_preimage: PaymentPreimage, our_payment_secret: Option<[u8; 32]>, expected_amount: u64) {
+ for path in expected_paths.iter() {
+ assert_eq!(path.last().unwrap().node.get_our_node_id(), expected_paths[0].last().unwrap().node.get_our_node_id());
+ }
+ assert!(expected_paths[0].last().unwrap().node.claim_funds(our_payment_preimage, &our_payment_secret, expected_amount));
+ check_added_monitors!(expected_paths[0].last().unwrap(), expected_paths.len());
- let mut next_msgs: Option<(msgs::UpdateFulfillHTLC, msgs::CommitmentSigned)> = None;
- let mut expected_next_node = expected_route.last().unwrap().node.get_our_node_id();
- macro_rules! get_next_msgs {
- ($node: expr) => {
- {
- let events = $node.node.get_and_clear_pending_msg_events();
- assert_eq!(events.len(), 1);
- match events[0] {
- MessageSendEvent::UpdateHTLCs { ref node_id, updates: msgs::CommitmentUpdate { ref update_add_htlcs, ref update_fulfill_htlcs, ref update_fail_htlcs, ref update_fail_malformed_htlcs, ref update_fee, ref commitment_signed } } => {
- assert!(update_add_htlcs.is_empty());
- assert_eq!(update_fulfill_htlcs.len(), 1);
- assert!(update_fail_htlcs.is_empty());
- assert!(update_fail_malformed_htlcs.is_empty());
- assert!(update_fee.is_none());
- expected_next_node = node_id.clone();
- Some((update_fulfill_htlcs[0].clone(), commitment_signed.clone()))
- },
- _ => panic!("Unexpected event"),
- }
+ macro_rules! msgs_from_ev {
+ ($ev: expr) => {
+ match $ev {
+ &MessageSendEvent::UpdateHTLCs { ref node_id, updates: msgs::CommitmentUpdate { ref update_add_htlcs, ref update_fulfill_htlcs, ref update_fail_htlcs, ref update_fail_malformed_htlcs, ref update_fee, ref commitment_signed } } => {
+ assert!(update_add_htlcs.is_empty());
+ assert_eq!(update_fulfill_htlcs.len(), 1);
+ assert!(update_fail_htlcs.is_empty());
+ assert!(update_fail_malformed_htlcs.is_empty());
+ assert!(update_fee.is_none());
+ ((update_fulfill_htlcs[0].clone(), commitment_signed.clone()), node_id.clone())
+ },
+ _ => panic!("Unexpected event"),
}
}
}
+ let mut per_path_msgs: Vec<((msgs::UpdateFulfillHTLC, msgs::CommitmentSigned), PublicKey)> = Vec::with_capacity(expected_paths.len());
+ let events = expected_paths[0].last().unwrap().node.get_and_clear_pending_msg_events();
+ assert_eq!(events.len(), expected_paths.len());
+ for ev in events.iter() {
+ per_path_msgs.push(msgs_from_ev!(ev));
+ }
- macro_rules! last_update_fulfill_dance {
- ($node: expr, $prev_node: expr) => {
- {
- $node.node.handle_update_fulfill_htlc(&$prev_node.node.get_our_node_id(), &next_msgs.as_ref().unwrap().0);
- check_added_monitors!($node, 0);
- assert!($node.node.get_and_clear_pending_msg_events().is_empty());
- commitment_signed_dance!($node, $prev_node, next_msgs.as_ref().unwrap().1, false);
+ for (expected_route, (path_msgs, next_hop)) in expected_paths.iter().zip(per_path_msgs.drain(..)) {
+ let mut next_msgs = Some(path_msgs);
+ let mut expected_next_node = next_hop;
+
+ macro_rules! last_update_fulfill_dance {
+ ($node: expr, $prev_node: expr) => {
+ {
+ $node.node.handle_update_fulfill_htlc(&$prev_node.node.get_our_node_id(), &next_msgs.as_ref().unwrap().0);
+ check_added_monitors!($node, 0);
+ assert!($node.node.get_and_clear_pending_msg_events().is_empty());
+ commitment_signed_dance!($node, $prev_node, next_msgs.as_ref().unwrap().1, false);
+ }
}
}
- }
- macro_rules! mid_update_fulfill_dance {
- ($node: expr, $prev_node: expr, $new_msgs: expr) => {
- {
- $node.node.handle_update_fulfill_htlc(&$prev_node.node.get_our_node_id(), &next_msgs.as_ref().unwrap().0);
- check_added_monitors!($node, 1);
- let new_next_msgs = if $new_msgs {
- get_next_msgs!($node)
- } else {
- assert!($node.node.get_and_clear_pending_msg_events().is_empty());
- None
- };
- commitment_signed_dance!($node, $prev_node, next_msgs.as_ref().unwrap().1, false);
- next_msgs = new_next_msgs;
+ macro_rules! mid_update_fulfill_dance {
+ ($node: expr, $prev_node: expr, $new_msgs: expr) => {
+ {
+ $node.node.handle_update_fulfill_htlc(&$prev_node.node.get_our_node_id(), &next_msgs.as_ref().unwrap().0);
+ check_added_monitors!($node, 1);
+ let new_next_msgs = if $new_msgs {
+ let events = $node.node.get_and_clear_pending_msg_events();
+ assert_eq!(events.len(), 1);
+ let (res, nexthop) = msgs_from_ev!(&events[0]);
+ expected_next_node = nexthop;
+ Some(res)
+ } else {
+ assert!($node.node.get_and_clear_pending_msg_events().is_empty());
+ None
+ };
+ commitment_signed_dance!($node, $prev_node, next_msgs.as_ref().unwrap().1, false);
+ next_msgs = new_next_msgs;
+ }
}
}
- }
- let mut prev_node = expected_route.last().unwrap();
- for (idx, node) in expected_route.iter().rev().enumerate() {
- assert_eq!(expected_next_node, node.node.get_our_node_id());
- let update_next_msgs = !skip_last || idx != expected_route.len() - 1;
- if next_msgs.is_some() {
- mid_update_fulfill_dance!(node, prev_node, update_next_msgs);
- } else if update_next_msgs {
- next_msgs = get_next_msgs!(node);
- } else {
- assert!(node.node.get_and_clear_pending_msg_events().is_empty());
- }
- if !skip_last && idx == expected_route.len() - 1 {
- assert_eq!(expected_next_node, origin_node.node.get_our_node_id());
- }
+ let mut prev_node = expected_route.last().unwrap();
+ for (idx, node) in expected_route.iter().rev().enumerate().skip(1) {
+ assert_eq!(expected_next_node, node.node.get_our_node_id());
+ let update_next_msgs = !skip_last || idx != expected_route.len() - 1;
+ if next_msgs.is_some() {
+ mid_update_fulfill_dance!(node, prev_node, update_next_msgs);
+ } else {
+ assert!(!update_next_msgs);
+ assert!(node.node.get_and_clear_pending_msg_events().is_empty());
+ }
+ if !skip_last && idx == expected_route.len() - 1 {
+ assert_eq!(expected_next_node, origin_node.node.get_our_node_id());
+ }
- prev_node = node;
- }
+ prev_node = node;
+ }
- if !skip_last {
- last_update_fulfill_dance!(origin_node, expected_route.first().unwrap());
- expect_payment_sent!(origin_node, our_payment_preimage);
+ if !skip_last {
+ last_update_fulfill_dance!(origin_node, expected_route.first().unwrap());
+ expect_payment_sent!(origin_node, our_payment_preimage);
+ }
}
}
pub fn claim_payment_along_route<'a, 'b>(origin_node: &Node<'a, 'b>, expected_route: &[&Node<'a, 'b>], skip_last: bool, our_payment_preimage: PaymentPreimage, expected_amount: u64) {
- claim_payment_along_route_with_secret(origin_node, expected_route, skip_last, our_payment_preimage, None, expected_amount);
+ claim_payment_along_route_with_secret(origin_node, &[expected_route], skip_last, our_payment_preimage, None, expected_amount);
}
pub fn claim_payment<'a, 'b>(origin_node: &Node<'a, 'b>, expected_route: &[&Node<'a, 'b>], our_payment_preimage: PaymentPreimage, expected_amount: u64) {
let (payment_preimage, payment_hash) = get_payment_preimage_hash!(&nodes[0]);
let (_, payment_secret) = get_payment_preimage_hash!(&nodes[0]);
let route = nodes[0].router.get_route(&nodes[2].node.get_our_node_id(), None, &[], 100000, TEST_FINAL_CLTV).unwrap();
- send_along_route_with_secret(&nodes[0], route, &[&nodes[1], &nodes[2]], 100000, payment_hash, Some(payment_secret.0));
+ send_along_route_with_secret(&nodes[0], route, &[&[&nodes[1], &nodes[2]]], 100000, payment_hash, Some(payment_secret.0));
// Claiming with all the correct values but the wrong secret should result in nothing...
assert_eq!(nodes[2].node.claim_funds(payment_preimage, &None, 100_000), false);
assert_eq!(nodes[2].node.claim_funds(payment_preimage, &Some([42; 32]), 100_000), false);
// ...but with the right secret we should be able to claim all the way back
- claim_payment_along_route_with_secret(&nodes[0], &[&nodes[1], &nodes[2]], false, payment_preimage, Some(payment_secret.0), 100_000);
+ claim_payment_along_route_with_secret(&nodes[0], &[&[&nodes[1], &nodes[2]]], false, payment_preimage, Some(payment_secret.0), 100_000);
+}
+
+#[test]
+fn test_simple_mpp() {
+ // Simple test of sending a multi-path payment.
+ let node_cfgs = create_node_cfgs(4);
+ let node_chanmgrs = create_node_chanmgrs(4, &node_cfgs, &[None, None, None, None]);
+ let nodes = create_network(4, &node_cfgs, &node_chanmgrs);
+
+ let chan_1_id = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported()).0.contents.short_channel_id;
+ let chan_2_id = create_announced_chan_between_nodes(&nodes, 0, 2, InitFeatures::supported(), InitFeatures::supported()).0.contents.short_channel_id;
+ let chan_3_id = create_announced_chan_between_nodes(&nodes, 1, 3, InitFeatures::supported(), InitFeatures::supported()).0.contents.short_channel_id;
+ let chan_4_id = create_announced_chan_between_nodes(&nodes, 2, 3, InitFeatures::supported(), InitFeatures::supported()).0.contents.short_channel_id;
+
+ let (payment_preimage, payment_hash) = get_payment_preimage_hash!(&nodes[0]);
+ let (_, payment_secret) = get_payment_preimage_hash!(&nodes[0]);
+ let mut route = nodes[0].router.get_route(&nodes[3].node.get_our_node_id(), None, &[], 100000, TEST_FINAL_CLTV).unwrap();
+ let path = route.paths[0].clone();
+ route.paths.push(path);
+ route.paths[0][0].pubkey = nodes[1].node.get_our_node_id();
+ route.paths[0][0].short_channel_id = chan_1_id;
+ route.paths[0][1].short_channel_id = chan_3_id;
+ route.paths[1][0].pubkey = nodes[2].node.get_our_node_id();
+ route.paths[1][0].short_channel_id = chan_2_id;
+ route.paths[1][1].short_channel_id = chan_4_id;
+ send_along_route_with_secret(&nodes[0], route, &[&[&nodes[1], &nodes[3]], &[&nodes[2], &nodes[3]]], 200_000, payment_hash, Some(payment_secret.0));
+ // Claiming with all the correct values but the wrong secret should result in nothing...
+ assert_eq!(nodes[3].node.claim_funds(payment_preimage, &None, 200_000), false);
+ assert_eq!(nodes[3].node.claim_funds(payment_preimage, &Some([42; 32]), 200_000), false);
+ // ...but with the right secret we should be able to claim all the way back
+ claim_payment_along_route_with_secret(&nodes[0], &[&[&nodes[1], &nodes[3]], &[&nodes[2], &nodes[3]]], false, payment_preimage, Some(payment_secret.0), 200_000);
}