use ln::channelmanager::BREAKDOWN_TIMEOUT;
use ln::features::InitFeatures;
use ln::msgs::ChannelMessageHandler;
-use util::events::{Event, MessageSendEvent, MessageSendEventsProvider, ClosureReason};
+use util::events::{Event, MessageSendEvent, MessageSendEventsProvider, ClosureReason, HTLCDestination};
use bitcoin::blockdata::script::Builder;
use bitcoin::blockdata::opcodes;
assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
connect_blocks(&nodes[1], ANTI_REORG_DELAY - 1);
- expect_pending_htlcs_forwardable!(nodes[1]);
+ expect_pending_htlcs_forwardable_and_htlc_handling_failed!(nodes[1], vec![HTLCDestination::NextHopChannel { node_id: Some(nodes[2].node.get_our_node_id()), channel_id: chan_id_2 }]);
check_added_monitors!(nodes[1], 1);
let fail_updates = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
} else { panic!(); }
}
+#[test]
+fn revoked_output_htlc_resolution_timing() {
+ // Tests that HTLCs which were present in a broadcasted remote revoked commitment transaction
+ // are resolved only after a spend of the HTLC output reaches six confirmations. Preivously
+ // they would resolve after the revoked commitment transaction itself reaches six
+ // confirmations.
+ 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);
+
+ let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1_000_000, 500_000_000, InitFeatures::known(), InitFeatures::known());
+
+ let payment_hash_1 = route_payment(&nodes[1], &[&nodes[0]], 1_000_000).1;
+
+ // Get a commitment transaction which contains the HTLC we care about, but which we'll revoke
+ // before forwarding.
+ let revoked_local_txn = get_local_commitment_txn!(nodes[0], chan.2);
+ assert_eq!(revoked_local_txn.len(), 1);
+
+ // Route a dust payment to revoke the above commitment transaction
+ route_payment(&nodes[0], &[&nodes[1]], 1_000);
+
+ // Confirm the revoked commitment transaction, closing the channel.
+ mine_transaction(&nodes[1], &revoked_local_txn[0]);
+ check_added_monitors!(nodes[1], 1);
+ check_closed_event!(nodes[1], 1, ClosureReason::CommitmentTxConfirmed);
+ check_closed_broadcast!(nodes[1], true);
+
+ let bs_spend_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap().split_off(0);
+ assert_eq!(bs_spend_txn.len(), 2);
+ check_spends!(bs_spend_txn[0], revoked_local_txn[0]);
+ check_spends!(bs_spend_txn[1], chan.3);
+
+ // After the commitment transaction confirms, we should still wait on the HTLC spend
+ // transaction to confirm before resolving the HTLC.
+ connect_blocks(&nodes[1], ANTI_REORG_DELAY - 1);
+ assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
+ assert!(nodes[1].node.get_and_clear_pending_events().is_empty());
+
+ // Spend the HTLC output, generating a HTLC failure event after ANTI_REORG_DELAY confirmations.
+ mine_transaction(&nodes[1], &bs_spend_txn[0]);
+ assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
+ assert!(nodes[1].node.get_and_clear_pending_events().is_empty());
+
+ connect_blocks(&nodes[1], ANTI_REORG_DELAY - 1);
+ expect_payment_failed!(nodes[1], payment_hash_1, true);
+}
+
#[test]
fn chanmon_claim_value_coop_close() {
// Tests `get_claimable_balances` returns the correct values across a simple cooperative claim.
assert_eq!(funding_outpoint.to_channel_id(), chan_id);
// This HTLC is immediately claimed, giving node B the preimage
- let payment_preimage = route_payment(&nodes[0], &[&nodes[1]], 3_000_000).0;
+ let (payment_preimage, payment_hash, _) = route_payment(&nodes[0], &[&nodes[1]], 3_000_000);
// This HTLC is allowed to time out, letting A claim it. However, in order to test claimable
// balances more fully we also give B the preimage for this HTLC.
let (timeout_payment_preimage, timeout_payment_hash, _) = route_payment(&nodes[0], &[&nodes[1]], 4_000_000);
nodes[1].node.claim_funds(payment_preimage);
check_added_monitors!(nodes[1], 1);
+ expect_payment_claimed!(nodes[1], payment_hash, 3_000_000);
+
let b_htlc_msgs = get_htlc_update_msgs!(&nodes[1], nodes[0].node.get_our_node_id());
// We claim the dust payment here as well, but it won't impact our claimable balances as its
// dust and thus doesn't appear on chain at all.
nodes[1].node.claim_funds(dust_payment_preimage);
check_added_monitors!(nodes[1], 1);
+ expect_payment_claimed!(nodes[1], dust_payment_hash, 3_000);
+
nodes[1].node.claim_funds(timeout_payment_preimage);
check_added_monitors!(nodes[1], 1);
+ expect_payment_claimed!(nodes[1], timeout_payment_hash, 4_000_000);
if prev_commitment_tx {
// To build a previous commitment transaction, deliver one round of commitment messages.
expect_pending_htlcs_forwardable!(nodes[1]);
expect_payment_received!(nodes[1], payment_hash_2, payment_secret_2, 20_000_000);
- assert!(nodes[1].node.claim_funds(payment_preimage_2));
+ nodes[1].node.claim_funds(payment_preimage_2);
get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
check_added_monitors!(nodes[1], 1);
+ expect_payment_claimed!(nodes[1], payment_hash_2, 20_000_000);
let chan_feerate = get_feerate!(nodes[0], chan_id) as u64;
let opt_anchors = get_opt_anchors!(nodes[0], chan_id);
projects / rust-lightning / blobdiff