+ // 10_000 msat as u64, followed by a height of 99 as u32
+ let mut expected_failure_data = byte_utils::be64_to_array(10_000).to_vec();
+ expected_failure_data.extend_from_slice(&byte_utils::be32_to_array(99));
+ expect_payment_failed!(nodes[0], payment_hash, true, 0x4000|15, &expected_failure_data[..]);
+ nodes[1].node.get_and_clear_pending_events();
+}
+
+#[test]
+fn test_announce_disable_channels() {
+ // Create 2 channels between A and B. Disconnect B. Call timer_chan_freshness_every_min and check for generated
+ // ChannelUpdate. Reconnect B, reestablish and check there is non-generated ChannelUpdate.
+
+ 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 short_id_1 = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known()).0.contents.short_channel_id;
+ let short_id_2 = create_announced_chan_between_nodes(&nodes, 1, 0, InitFeatures::known(), InitFeatures::known()).0.contents.short_channel_id;
+ let short_id_3 = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known()).0.contents.short_channel_id;
+
+ // Disconnect peers
+ nodes[0].node.peer_disconnected(&nodes[1].node.get_our_node_id(), false);
+ nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id(), false);
+
+ nodes[0].node.timer_chan_freshness_every_min(); // dirty -> stagged
+ nodes[0].node.timer_chan_freshness_every_min(); // staged -> fresh
+ let msg_events = nodes[0].node.get_and_clear_pending_msg_events();
+ assert_eq!(msg_events.len(), 3);
+ for e in msg_events {
+ match e {
+ MessageSendEvent::BroadcastChannelUpdate { ref msg } => {
+ let short_id = msg.contents.short_channel_id;
+ // Check generated channel_update match list in PendingChannelUpdate
+ if short_id != short_id_1 && short_id != short_id_2 && short_id != short_id_3 {
+ panic!("Generated ChannelUpdate for wrong chan!");
+ }
+ },
+ _ => panic!("Unexpected event"),
+ }
+ }
+ // Reconnect peers
+ nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init { features: InitFeatures::empty() });
+ let reestablish_1 = get_chan_reestablish_msgs!(nodes[0], nodes[1]);
+ assert_eq!(reestablish_1.len(), 3);
+ nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id(), &msgs::Init { features: InitFeatures::empty() });
+ let reestablish_2 = get_chan_reestablish_msgs!(nodes[1], nodes[0]);
+ assert_eq!(reestablish_2.len(), 3);
+
+ // Reestablish chan_1
+ nodes[0].node.handle_channel_reestablish(&nodes[1].node.get_our_node_id(), &reestablish_2[0]);
+ handle_chan_reestablish_msgs!(nodes[0], nodes[1]);
+ nodes[1].node.handle_channel_reestablish(&nodes[0].node.get_our_node_id(), &reestablish_1[0]);
+ handle_chan_reestablish_msgs!(nodes[1], nodes[0]);
+ // Reestablish chan_2
+ nodes[0].node.handle_channel_reestablish(&nodes[1].node.get_our_node_id(), &reestablish_2[1]);
+ handle_chan_reestablish_msgs!(nodes[0], nodes[1]);
+ nodes[1].node.handle_channel_reestablish(&nodes[0].node.get_our_node_id(), &reestablish_1[1]);
+ handle_chan_reestablish_msgs!(nodes[1], nodes[0]);
+ // Reestablish chan_3
+ nodes[0].node.handle_channel_reestablish(&nodes[1].node.get_our_node_id(), &reestablish_2[2]);
+ handle_chan_reestablish_msgs!(nodes[0], nodes[1]);
+ nodes[1].node.handle_channel_reestablish(&nodes[0].node.get_our_node_id(), &reestablish_1[2]);
+ handle_chan_reestablish_msgs!(nodes[1], nodes[0]);
+
+ nodes[0].node.timer_chan_freshness_every_min();
+ assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty());
+}
+
+#[test]
+fn test_bump_penalty_txn_on_revoked_commitment() {
+ // In case of penalty txn with too low feerates for getting into mempools, RBF-bump them to be sure
+ // we're able to claim outputs on revoked commitment transaction before timelocks expiration
+
+ 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, 1000000, 59000000, InitFeatures::known(), InitFeatures::known());
+ let payment_preimage = route_payment(&nodes[0], &vec!(&nodes[1])[..], 3000000).0;
+ let route = nodes[1].router.get_route(&nodes[0].node.get_our_node_id(), None, &Vec::new(), 3000000, 30).unwrap();
+ send_along_route(&nodes[1], route, &vec!(&nodes[0])[..], 3000000);
+
+ let revoked_txn = get_local_commitment_txn!(nodes[0], chan.2);
+ // Revoked commitment txn with 4 outputs : to_local, to_remote, 1 outgoing HTLC, 1 incoming HTLC
+ assert_eq!(revoked_txn[0].output.len(), 4);
+ assert_eq!(revoked_txn[0].input.len(), 1);
+ assert_eq!(revoked_txn[0].input[0].previous_output.txid, chan.3.txid());
+ let revoked_txid = revoked_txn[0].txid();
+
+ let mut penalty_sum = 0;
+ for outp in revoked_txn[0].output.iter() {
+ if outp.script_pubkey.is_v0_p2wsh() {
+ penalty_sum += outp.value;
+ }
+ }
+
+ // Connect blocks to change height_timer range to see if we use right soonest_timelock
+ let header_114 = connect_blocks(&nodes[1].block_notifier, 114, 0, false, Default::default());
+
+ // Actually revoke tx by claiming a HTLC
+ claim_payment(&nodes[0], &vec!(&nodes[1])[..], payment_preimage, 3_000_000);
+ let header = BlockHeader { version: 0x20000000, prev_blockhash: header_114, merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 };
+ nodes[1].block_notifier.block_connected(&Block { header, txdata: vec![revoked_txn[0].clone()] }, 115);
+ check_added_monitors!(nodes[1], 1);
+
+ // One or more justice tx should have been broadcast, check it
+ let penalty_1;
+ let feerate_1;
+ {
+ let mut node_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap();
+ assert_eq!(node_txn.len(), 3); // justice tx (broadcasted from ChannelMonitor) + local commitment tx + local HTLC-timeout (broadcasted from ChannelManager)
+ assert_eq!(node_txn[0].input.len(), 3); // Penalty txn claims to_local, offered_htlc and received_htlc outputs
+ assert_eq!(node_txn[0].output.len(), 1);
+ check_spends!(node_txn[0], revoked_txn[0]);
+ let fee_1 = penalty_sum - node_txn[0].output[0].value;
+ feerate_1 = fee_1 * 1000 / node_txn[0].get_weight() as u64;
+ penalty_1 = node_txn[0].txid();
+ node_txn.clear();
+ };
+
+ // After exhaustion of height timer, a new bumped justice tx should have been broadcast, check it
+ let header = connect_blocks(&nodes[1].block_notifier, 3, 115, true, header.bitcoin_hash());
+ let mut penalty_2 = penalty_1;
+ let mut feerate_2 = 0;
+ {
+ let mut node_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap();
+ assert_eq!(node_txn.len(), 1);
+ if node_txn[0].input[0].previous_output.txid == revoked_txid {
+ assert_eq!(node_txn[0].input.len(), 3); // Penalty txn claims to_local, offered_htlc and received_htlc outputs
+ assert_eq!(node_txn[0].output.len(), 1);
+ check_spends!(node_txn[0], revoked_txn[0]);
+ penalty_2 = node_txn[0].txid();
+ // Verify new bumped tx is different from last claiming transaction, we don't want spurrious rebroadcast
+ assert_ne!(penalty_2, penalty_1);
+ let fee_2 = penalty_sum - node_txn[0].output[0].value;
+ feerate_2 = fee_2 * 1000 / node_txn[0].get_weight() as u64;
+ // Verify 25% bump heuristic
+ assert!(feerate_2 * 100 >= feerate_1 * 125);
+ node_txn.clear();
+ }
+ }
+ assert_ne!(feerate_2, 0);
+
+ // After exhaustion of height timer for a 2nd time, a new bumped justice tx should have been broadcast, check it
+ connect_blocks(&nodes[1].block_notifier, 3, 118, true, header);
+ let penalty_3;
+ let mut feerate_3 = 0;
+ {
+ let mut node_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap();
+ assert_eq!(node_txn.len(), 1);
+ if node_txn[0].input[0].previous_output.txid == revoked_txid {
+ assert_eq!(node_txn[0].input.len(), 3); // Penalty txn claims to_local, offered_htlc and received_htlc outputs
+ assert_eq!(node_txn[0].output.len(), 1);
+ check_spends!(node_txn[0], revoked_txn[0]);
+ penalty_3 = node_txn[0].txid();
+ // Verify new bumped tx is different from last claiming transaction, we don't want spurrious rebroadcast
+ assert_ne!(penalty_3, penalty_2);
+ let fee_3 = penalty_sum - node_txn[0].output[0].value;
+ feerate_3 = fee_3 * 1000 / node_txn[0].get_weight() as u64;
+ // Verify 25% bump heuristic
+ assert!(feerate_3 * 100 >= feerate_2 * 125);
+ node_txn.clear();
+ }
+ }
+ assert_ne!(feerate_3, 0);
+
+ nodes[1].node.get_and_clear_pending_events();
+ nodes[1].node.get_and_clear_pending_msg_events();
+}
+
+#[test]
+fn test_bump_penalty_txn_on_revoked_htlcs() {
+ // In case of penalty txn with too low feerates for getting into mempools, RBF-bump them to sure
+ // we're able to claim outputs on revoked HTLC transactions before timelocks expiration
+
+ 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, 1000000, 59000000, InitFeatures::known(), InitFeatures::known());
+ // Lock HTLC in both directions
+ let payment_preimage = route_payment(&nodes[0], &vec!(&nodes[1])[..], 3_000_000).0;
+ route_payment(&nodes[1], &vec!(&nodes[0])[..], 3_000_000).0;
+
+ let revoked_local_txn = get_local_commitment_txn!(nodes[1], chan.2);
+ assert_eq!(revoked_local_txn[0].input.len(), 1);
+ assert_eq!(revoked_local_txn[0].input[0].previous_output.txid, chan.3.txid());
+
+ // Revoke local commitment tx
+ claim_payment(&nodes[0], &vec!(&nodes[1])[..], payment_preimage, 3_000_000);
+
+ let header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 };
+ // B will generate both revoked HTLC-timeout/HTLC-preimage txn from revoked commitment tx
+ nodes[1].block_notifier.block_connected(&Block { header, txdata: vec![revoked_local_txn[0].clone()] }, 1);
+ check_closed_broadcast!(nodes[1], false);
+ check_added_monitors!(nodes[1], 1);
+
+ let revoked_htlc_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap();
+ assert_eq!(revoked_htlc_txn.len(), 4);
+ if revoked_htlc_txn[0].input[0].witness.last().unwrap().len() == ACCEPTED_HTLC_SCRIPT_WEIGHT {
+ assert_eq!(revoked_htlc_txn[0].input.len(), 1);
+ check_spends!(revoked_htlc_txn[0], revoked_local_txn[0]);
+ assert_eq!(revoked_htlc_txn[1].input.len(), 1);
+ assert_eq!(revoked_htlc_txn[1].input[0].witness.last().unwrap().len(), OFFERED_HTLC_SCRIPT_WEIGHT);
+ check_spends!(revoked_htlc_txn[1], revoked_local_txn[0]);
+ } else if revoked_htlc_txn[1].input[0].witness.last().unwrap().len() == ACCEPTED_HTLC_SCRIPT_WEIGHT {
+ assert_eq!(revoked_htlc_txn[1].input.len(), 1);
+ check_spends!(revoked_htlc_txn[1], revoked_local_txn[0]);
+ assert_eq!(revoked_htlc_txn[0].input.len(), 1);
+ assert_eq!(revoked_htlc_txn[0].input[0].witness.last().unwrap().len(), OFFERED_HTLC_SCRIPT_WEIGHT);
+ check_spends!(revoked_htlc_txn[0], revoked_local_txn[0]);
+ }
+
+ // Broadcast set of revoked txn on A
+ let header_128 = connect_blocks(&nodes[0].block_notifier, 128, 0, true, header.bitcoin_hash());
+ expect_pending_htlcs_forwardable_ignore!(nodes[0]);
+
+ let header_129 = BlockHeader { version: 0x20000000, prev_blockhash: header_128, merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 };
+ nodes[0].block_notifier.block_connected(&Block { header: header_129, txdata: vec![revoked_local_txn[0].clone(), revoked_htlc_txn[0].clone(), revoked_htlc_txn[1].clone()] }, 129);
+ let first;
+ let feerate_1;
+ let penalty_txn;
+ {
+ let mut node_txn = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap();
+ assert_eq!(node_txn.len(), 5); // 3 penalty txn on revoked commitment tx + A commitment tx + 1 penalty tnx on revoked HTLC txn
+ // Verify claim tx are spending revoked HTLC txn
+ assert_eq!(node_txn[4].input.len(), 2);
+ assert_eq!(node_txn[4].output.len(), 1);
+ check_spends!(node_txn[4], revoked_htlc_txn[0], revoked_htlc_txn[1]);
+ first = node_txn[4].txid();
+ // Store both feerates for later comparison
+ let fee_1 = revoked_htlc_txn[0].output[0].value + revoked_htlc_txn[1].output[0].value - node_txn[4].output[0].value;
+ feerate_1 = fee_1 * 1000 / node_txn[4].get_weight() as u64;
+ penalty_txn = vec![node_txn[0].clone(), node_txn[1].clone(), node_txn[2].clone()];
+ node_txn.clear();
+ }
+
+ // Connect three more block to see if bumped penalty are issued for HTLC txn
+ let header_130 = BlockHeader { version: 0x20000000, prev_blockhash: header_129.bitcoin_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 };
+ nodes[0].block_notifier.block_connected(&Block { header: header_130, txdata: penalty_txn }, 130);
+ {
+ let mut node_txn = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap();
+ assert_eq!(node_txn.len(), 2); // 2 bumped penalty txn on revoked commitment tx
+
+ check_spends!(node_txn[0], revoked_local_txn[0]);
+ check_spends!(node_txn[1], revoked_local_txn[0]);
+
+ node_txn.clear();
+ };
+
+ // Few more blocks to confirm penalty txn
+ let header_135 = connect_blocks(&nodes[0].block_notifier, 5, 130, true, header_130.bitcoin_hash());
+ assert!(nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap().is_empty());
+ let header_144 = connect_blocks(&nodes[0].block_notifier, 9, 135, true, header_135);
+ let node_txn = {
+ let mut node_txn = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap();
+ assert_eq!(node_txn.len(), 1);
+
+ assert_eq!(node_txn[0].input.len(), 2);
+ check_spends!(node_txn[0], revoked_htlc_txn[0], revoked_htlc_txn[1]);
+ // Verify bumped tx is different and 25% bump heuristic
+ assert_ne!(first, node_txn[0].txid());
+ let fee_2 = revoked_htlc_txn[0].output[0].value + revoked_htlc_txn[1].output[0].value - node_txn[0].output[0].value;
+ let feerate_2 = fee_2 * 1000 / node_txn[0].get_weight() as u64;
+ assert!(feerate_2 * 100 > feerate_1 * 125);
+ let txn = vec![node_txn[0].clone()];
+ node_txn.clear();
+ txn
+ };
+ // Broadcast claim txn and confirm blocks to avoid further bumps on this outputs
+ let header_145 = BlockHeader { version: 0x20000000, prev_blockhash: header_144, merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 };
+ nodes[0].block_notifier.block_connected(&Block { header: header_145, txdata: node_txn }, 145);
+ connect_blocks(&nodes[0].block_notifier, 20, 145, true, header_145.bitcoin_hash());
+ {
+ let mut node_txn = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap();
+ // We verify than no new transaction has been broadcast because previously
+ // we were buggy on this exact behavior by not tracking for monitoring remote HTLC outputs (see #411)
+ // which means we wouldn't see a spend of them by a justice tx and bumped justice tx
+ // were generated forever instead of safe cleaning after confirmation and ANTI_REORG_SAFE_DELAY blocks.
+ // Enforce spending of revoked htlc output by claiming transaction remove request as expected and dry
+ // up bumped justice generation.
+ assert_eq!(node_txn.len(), 0);
+ node_txn.clear();
+ }
+ check_closed_broadcast!(nodes[0], false);
+ check_added_monitors!(nodes[0], 1);
+}
+
+#[test]
+fn test_bump_penalty_txn_on_remote_commitment() {
+ // In case of claim txn with too low feerates for getting into mempools, RBF-bump them to be sure
+ // we're able to claim outputs on remote commitment transaction before timelocks expiration
+
+ // Create 2 HTLCs
+ // Provide preimage for one
+ // Check aggregation
+
+ 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, 1000000, 59000000, InitFeatures::known(), InitFeatures::known());
+ let payment_preimage = route_payment(&nodes[0], &vec!(&nodes[1])[..], 3000000).0;
+ route_payment(&nodes[1], &vec!(&nodes[0])[..], 3000000).0;
+
+ // Remote commitment txn with 4 outputs : to_local, to_remote, 1 outgoing HTLC, 1 incoming HTLC
+ let remote_txn = get_local_commitment_txn!(nodes[0], chan.2);
+ assert_eq!(remote_txn[0].output.len(), 4);
+ assert_eq!(remote_txn[0].input.len(), 1);
+ assert_eq!(remote_txn[0].input[0].previous_output.txid, chan.3.txid());
+
+ // Claim a HTLC without revocation (provide B monitor with preimage)
+ nodes[1].node.claim_funds(payment_preimage, &None, 3_000_000);
+ let header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 };
+ nodes[1].block_notifier.block_connected(&Block { header, txdata: vec![remote_txn[0].clone()] }, 1);
+ check_added_monitors!(nodes[1], 2);
+
+ // One or more claim tx should have been broadcast, check it
+ let timeout;
+ let preimage;
+ let feerate_timeout;
+ let feerate_preimage;
+ {
+ let mut node_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap();
+ assert_eq!(node_txn.len(), 5); // 2 * claim tx (broadcasted from ChannelMonitor) + local commitment tx + local HTLC-timeout + local HTLC-success (broadcasted from ChannelManager)
+ assert_eq!(node_txn[0].input.len(), 1);
+ assert_eq!(node_txn[1].input.len(), 1);
+ check_spends!(node_txn[0], remote_txn[0]);
+ check_spends!(node_txn[1], remote_txn[0]);
+ check_spends!(node_txn[2], chan.3);
+ check_spends!(node_txn[3], node_txn[2]);
+ check_spends!(node_txn[4], node_txn[2]);
+ if node_txn[0].input[0].witness.last().unwrap().len() == ACCEPTED_HTLC_SCRIPT_WEIGHT {
+ timeout = node_txn[0].txid();
+ let index = node_txn[0].input[0].previous_output.vout;
+ let fee = remote_txn[0].output[index as usize].value - node_txn[0].output[0].value;
+ feerate_timeout = fee * 1000 / node_txn[0].get_weight() as u64;
+
+ preimage = node_txn[1].txid();
+ let index = node_txn[1].input[0].previous_output.vout;
+ let fee = remote_txn[0].output[index as usize].value - node_txn[1].output[0].value;
+ feerate_preimage = fee * 1000 / node_txn[1].get_weight() as u64;
+ } else {
+ timeout = node_txn[1].txid();
+ let index = node_txn[1].input[0].previous_output.vout;
+ let fee = remote_txn[0].output[index as usize].value - node_txn[1].output[0].value;
+ feerate_timeout = fee * 1000 / node_txn[1].get_weight() as u64;
+
+ preimage = node_txn[0].txid();
+ let index = node_txn[0].input[0].previous_output.vout;
+ let fee = remote_txn[0].output[index as usize].value - node_txn[0].output[0].value;
+ feerate_preimage = fee * 1000 / node_txn[0].get_weight() as u64;
+ }
+ node_txn.clear();
+ };
+ assert_ne!(feerate_timeout, 0);
+ assert_ne!(feerate_preimage, 0);
+
+ // After exhaustion of height timer, new bumped claim txn should have been broadcast, check it
+ connect_blocks(&nodes[1].block_notifier, 15, 1, true, header.bitcoin_hash());
+ {
+ let mut node_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap();
+ assert_eq!(node_txn.len(), 2);
+ assert_eq!(node_txn[0].input.len(), 1);
+ assert_eq!(node_txn[1].input.len(), 1);
+ check_spends!(node_txn[0], remote_txn[0]);
+ check_spends!(node_txn[1], remote_txn[0]);
+ if node_txn[0].input[0].witness.last().unwrap().len() == ACCEPTED_HTLC_SCRIPT_WEIGHT {
+ let index = node_txn[0].input[0].previous_output.vout;
+ let fee = remote_txn[0].output[index as usize].value - node_txn[0].output[0].value;
+ let new_feerate = fee * 1000 / node_txn[0].get_weight() as u64;
+ assert!(new_feerate * 100 > feerate_timeout * 125);
+ assert_ne!(timeout, node_txn[0].txid());
+
+ let index = node_txn[1].input[0].previous_output.vout;
+ let fee = remote_txn[0].output[index as usize].value - node_txn[1].output[0].value;
+ let new_feerate = fee * 1000 / node_txn[1].get_weight() as u64;
+ assert!(new_feerate * 100 > feerate_preimage * 125);
+ assert_ne!(preimage, node_txn[1].txid());
+ } else {
+ let index = node_txn[1].input[0].previous_output.vout;
+ let fee = remote_txn[0].output[index as usize].value - node_txn[1].output[0].value;
+ let new_feerate = fee * 1000 / node_txn[1].get_weight() as u64;
+ assert!(new_feerate * 100 > feerate_timeout * 125);
+ assert_ne!(timeout, node_txn[1].txid());
+
+ let index = node_txn[0].input[0].previous_output.vout;
+ let fee = remote_txn[0].output[index as usize].value - node_txn[0].output[0].value;
+ let new_feerate = fee * 1000 / node_txn[0].get_weight() as u64;
+ assert!(new_feerate * 100 > feerate_preimage * 125);
+ assert_ne!(preimage, node_txn[0].txid());
+ }
+ node_txn.clear();