do_test_commitment_revoked_fail_backward_exhaustive(true, false, true);
}
+#[test]
+fn fail_backward_pending_htlc_upon_channel_failure() {
+ 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 mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
+ let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1_000_000, 500_000_000, InitFeatures::supported(), InitFeatures::supported());
+
+ // Alice -> Bob: Route a payment but without Bob sending revoke_and_ack.
+ {
+ let (_, payment_hash) = get_payment_preimage_hash!(nodes[0]);
+ let route = nodes[0].router.get_route(&nodes[1].node.get_our_node_id(), None, &Vec::new(), 50_000, TEST_FINAL_CLTV).unwrap();
+ nodes[0].node.send_payment(route, payment_hash).unwrap();
+ check_added_monitors!(nodes[0], 1);
+
+ let payment_event = {
+ let mut events = nodes[0].node.get_and_clear_pending_msg_events();
+ assert_eq!(events.len(), 1);
+ SendEvent::from_event(events.remove(0))
+ };
+ assert_eq!(payment_event.node_id, nodes[1].node.get_our_node_id());
+ assert_eq!(payment_event.msgs.len(), 1);
+ }
+
+ // Alice -> Bob: Route another payment but now Alice waits for Bob's earlier revoke_and_ack.
+ let (_, failed_payment_hash) = get_payment_preimage_hash!(nodes[0]);
+ {
+ let route = nodes[0].router.get_route(&nodes[1].node.get_our_node_id(), None, &Vec::new(), 50_000, TEST_FINAL_CLTV).unwrap();
+ nodes[0].node.send_payment(route, failed_payment_hash).unwrap();
+ check_added_monitors!(nodes[0], 0);
+
+ assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty());
+ }
+
+ // Alice <- Bob: Send a malformed update_add_htlc so Alice fails the channel.
+ {
+ let route = nodes[1].router.get_route(&nodes[0].node.get_our_node_id(), None, &Vec::new(), 50_000, TEST_FINAL_CLTV).unwrap();
+ let (_, payment_hash) = get_payment_preimage_hash!(nodes[1]);
+
+ let secp_ctx = Secp256k1::new();
+ let session_priv = {
+ let mut session_key = [0; 32];
+ let mut rng = thread_rng();
+ rng.fill_bytes(&mut session_key);
+ SecretKey::from_slice(&session_key).expect("RNG is bad!")
+ };
+
+ let current_height = nodes[1].node.latest_block_height.load(Ordering::Acquire) as u32 + 1;
+ let (onion_payloads, _amount_msat, cltv_expiry) = onion_utils::build_onion_payloads(&route, current_height).unwrap();
+ let onion_keys = onion_utils::construct_onion_keys(&secp_ctx, &route, &session_priv).unwrap();
+ let onion_routing_packet = onion_utils::construct_onion_packet(onion_payloads, onion_keys, [0; 32], &payment_hash);
+
+ // Send a 0-msat update_add_htlc to fail the channel.
+ let update_add_htlc = msgs::UpdateAddHTLC {
+ channel_id: chan.2,
+ htlc_id: 0,
+ amount_msat: 0,
+ payment_hash,
+ cltv_expiry,
+ onion_routing_packet,
+ };
+ nodes[0].node.handle_update_add_htlc(&nodes[1].node.get_our_node_id(), &update_add_htlc);
+ }
+
+ // Check that Alice fails backward the pending HTLC from the second payment.
+ expect_payment_failed!(nodes[0], failed_payment_hash, true);
+ check_closed_broadcast!(nodes[0], true);
+ check_added_monitors!(nodes[0], 1);
+}
+
#[test]
fn test_htlc_ignore_latest_remote_commitment() {
// Test that HTLC transactions spending the latest remote commitment transaction are simply
check_spends!(spend_txn[0], node_txn[0]);
}
+#[test]
+fn test_static_spendable_outputs_timeout_tx() {
+ 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 some initial channels
+ let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
+
+ // Rebalance the network a bit by relaying one payment through all the channels ...
+ send_payment(&nodes[0], &vec!(&nodes[1])[..], 8000000, 8_000_000);
+
+ let (_, our_payment_hash) = route_payment(&nodes[1], &vec!(&nodes[0])[..], 3_000_000);
+
+ let commitment_tx = get_local_commitment_txn!(nodes[0], chan_1.2);
+ assert_eq!(commitment_tx[0].input.len(), 1);
+ assert_eq!(commitment_tx[0].input[0].previous_output.txid, chan_1.3.txid());
+
+ // Settle A's commitment tx on B' chain
+ let header = BlockHeader { version: 0x2000_0000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42};
+ nodes[1].block_notifier.block_connected(&Block { header, txdata: vec![commitment_tx[0].clone()] }, 0);
+ check_added_monitors!(nodes[1], 1);
+ let events = nodes[1].node.get_and_clear_pending_msg_events();
+ match events[0] {
+ MessageSendEvent::BroadcastChannelUpdate { .. } => {},
+ _ => panic!("Unexpected event"),
+ }
+
+ // Check B's monitor was able to send back output descriptor event for timeout tx on A's commitment tx
+ let node_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap();
+ assert_eq!(node_txn.len(), 3); // ChannelManager : 2 (local commitent tx + HTLC-timeout), ChannelMonitor: timeout tx
+ check_spends!(node_txn[0], commitment_tx[0].clone());
+ assert_eq!(node_txn[0].input[0].witness.last().unwrap().len(), ACCEPTED_HTLC_SCRIPT_WEIGHT);
+ check_spends!(node_txn[1], chan_1.3.clone());
+ check_spends!(node_txn[2], node_txn[1]);
+
+ let header_1 = BlockHeader { version: 0x20000000, prev_blockhash: header.bitcoin_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 };
+ nodes[1].block_notifier.block_connected(&Block { header: header_1, txdata: vec![node_txn[0].clone()] }, 1);
+ connect_blocks(&nodes[1].block_notifier, ANTI_REORG_DELAY - 1, 1, true, header.bitcoin_hash());
+ let events = nodes[1].node.get_and_clear_pending_events();
+ assert_eq!(events.len(), 1);
+ match events[0] {
+ Event::PaymentFailed { payment_hash, .. } => {
+ assert_eq!(payment_hash, our_payment_hash);
+ },
+ _ => panic!("Unexpected event"),
+ }
+
+ let spend_txn = check_spendable_outputs!(nodes[1], 1);
+ assert_eq!(spend_txn.len(), 3); // SpendableOutput: remote_commitment_tx.to_remote (*2), timeout_tx.output (*1)
+ check_spends!(spend_txn[2], node_txn[0].clone());
+}
+
#[test]
fn test_static_spendable_outputs_justice_tx_revoked_commitment_tx() {
let chanmon_cfgs = create_chanmon_cfgs(2);
projects / rust-lightning / blobdiff