use chain::transaction::OutPoint;
use chain::keysinterface::{ChannelKeys, KeysInterface, SpendableOutputDescriptor};
+use chain::chaininterface;
use chain::chaininterface::{ChainListener, ChainWatchInterfaceUtil, BlockNotifier};
use ln::channel::{COMMITMENT_TX_BASE_WEIGHT, COMMITMENT_TX_WEIGHT_PER_HTLC};
use ln::channelmanager::{ChannelManager,ChannelManagerReadArgs,HTLCForwardInfo,RAACommitmentOrder, PaymentPreimage, PaymentHash, PaymentSecret, PaymentSendFailure, BREAKDOWN_TIMEOUT};
use ln::channelmonitor::{ChannelMonitor, CLTV_CLAIM_BUFFER, LATENCY_GRACE_PERIOD_BLOCKS, ManyChannelMonitor, ANTI_REORG_DELAY};
+use ln::channelmonitor;
use ln::channel::{Channel, ChannelError};
use ln::{chan_utils, onion_utils};
use ln::router::{Route, RouteHop};
// ChannelMonitor: local commitment + local HTLC-timeout (2)
// Check the pair local commitment and HTLC-timeout broadcast due to HTLC expiration
- assert_eq!(node_txn[0].input.len(), 1);
- check_spends!(node_txn[0], chan_1.3);
- assert_eq!(node_txn[1].input.len(), 1);
- let witness_script = node_txn[1].input[0].witness.last().unwrap();
- assert_eq!(witness_script.len(), OFFERED_HTLC_SCRIPT_WEIGHT); //Spending an offered htlc output
- check_spends!(node_txn[1], node_txn[0]);
-
- // Justice transactions are indices 2-3-4
assert_eq!(node_txn[2].input.len(), 1);
+ check_spends!(node_txn[2], chan_1.3);
assert_eq!(node_txn[3].input.len(), 1);
+ let witness_script = node_txn[3].input[0].witness.last().unwrap();
+ assert_eq!(witness_script.len(), OFFERED_HTLC_SCRIPT_WEIGHT); //Spending an offered htlc output
+ check_spends!(node_txn[3], node_txn[2]);
+
+ // Justice transactions are indices 1-2-4
+ assert_eq!(node_txn[0].input.len(), 1);
+ assert_eq!(node_txn[1].input.len(), 1);
assert_eq!(node_txn[4].input.len(), 1);
- check_spends!(node_txn[2], revoked_local_txn[0]);
- check_spends!(node_txn[3], revoked_local_txn[0]);
+
+ check_spends!(node_txn[0], revoked_local_txn[0]);
+ check_spends!(node_txn[1], revoked_local_txn[0]);
check_spends!(node_txn[4], revoked_local_txn[0]);
let mut witness_lens = BTreeSet::new();
- witness_lens.insert(node_txn[2].input[0].witness.last().unwrap().len());
- witness_lens.insert(node_txn[3].input[0].witness.last().unwrap().len());
+ witness_lens.insert(node_txn[0].input[0].witness.last().unwrap().len());
+ witness_lens.insert(node_txn[1].input[0].witness.last().unwrap().len());
witness_lens.insert(node_txn[4].input[0].witness.last().unwrap().len());
assert_eq!(witness_lens.len(), 3);
assert_eq!(*witness_lens.iter().skip(0).next().unwrap(), 77); // revoked to_local
{
let mut node_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap();
assert_eq!(node_txn.len(), 5); // ChannelManager : 2 (commitment tx, HTLC-Timeout tx), ChannelMonitor : 2 (local commitment tx + HTLC-timeout), 1 timeout tx
- assert_eq!(node_txn[0], node_txn[3]);
- assert_eq!(node_txn[1], node_txn[4]);
+ assert_eq!(node_txn[1], node_txn[3]);
+ assert_eq!(node_txn[2], node_txn[4]);
- check_spends!(node_txn[2], commitment_tx[0]);
- assert_eq!(node_txn[2].clone().input[0].witness.last().unwrap().len(), ACCEPTED_HTLC_SCRIPT_WEIGHT);
+ check_spends!(node_txn[0], commitment_tx[0]);
+ assert_eq!(node_txn[0].clone().input[0].witness.last().unwrap().len(), ACCEPTED_HTLC_SCRIPT_WEIGHT);
- check_spends!(node_txn[0], chan_2.3);
- check_spends!(node_txn[1], node_txn[0]);
- assert_eq!(node_txn[0].clone().input[0].witness.last().unwrap().len(), 71);
- assert_eq!(node_txn[1].clone().input[0].witness.last().unwrap().len(), OFFERED_HTLC_SCRIPT_WEIGHT);
+ check_spends!(node_txn[1], chan_2.3);
+ check_spends!(node_txn[2], node_txn[1]);
+ assert_eq!(node_txn[1].clone().input[0].witness.last().unwrap().len(), 71);
+ assert_eq!(node_txn[2].clone().input[0].witness.last().unwrap().len(), OFFERED_HTLC_SCRIPT_WEIGHT);
- timeout_tx = node_txn[2].clone();
+ timeout_tx = node_txn[0].clone();
node_txn.clear();
}
keys_manager = test_utils::TestKeysInterface::new(&nodes[0].node_seed, Network::Testnet, Arc::new(test_utils::TestLogger::new()));
let (_, nodes_0_deserialized_tmp) = {
let mut channel_monitors = HashMap::new();
- channel_monitors.insert(chan_0_monitor.get_funding_txo().unwrap(), &mut chan_0_monitor);
+ channel_monitors.insert(chan_0_monitor.get_funding_txo(), &mut chan_0_monitor);
<(Sha256dHash, ChannelManager<EnforcingChannelKeys, &test_utils::TestChannelMonitor, &test_utils::TestBroadcaster, &test_utils::TestKeysInterface, &test_utils::TestFeeEstimator>)>::read(&mut nodes_0_read, ChannelManagerReadArgs {
default_config: config,
keys_manager: &keys_manager,
nodes_0_deserialized = nodes_0_deserialized_tmp;
assert!(nodes_0_read.is_empty());
- assert!(nodes[0].chan_monitor.add_monitor(chan_0_monitor.get_funding_txo().unwrap(), chan_0_monitor).is_ok());
+ assert!(nodes[0].chan_monitor.add_monitor(chan_0_monitor.get_funding_txo(), chan_0_monitor).is_ok());
nodes[0].node = &nodes_0_deserialized;
nodes[0].block_notifier.register_listener(nodes[0].node);
assert_eq!(nodes[0].node.list_channels().len(), 1);
keys_manager = test_utils::TestKeysInterface::new(&nodes[0].node_seed, Network::Testnet, Arc::new(test_utils::TestLogger::new()));
let (_, nodes_0_deserialized_tmp) = {
let mut channel_monitors = HashMap::new();
- channel_monitors.insert(chan_0_monitor.get_funding_txo().unwrap(), &mut chan_0_monitor);
+ channel_monitors.insert(chan_0_monitor.get_funding_txo(), &mut chan_0_monitor);
<(Sha256dHash, ChannelManager<EnforcingChannelKeys, &test_utils::TestChannelMonitor, &test_utils::TestBroadcaster, &test_utils::TestKeysInterface, &test_utils::TestFeeEstimator>)>::read(&mut nodes_0_read, ChannelManagerReadArgs {
default_config: UserConfig::default(),
keys_manager: &keys_manager,
nodes_0_deserialized = nodes_0_deserialized_tmp;
assert!(nodes_0_read.is_empty());
- assert!(nodes[0].chan_monitor.add_monitor(chan_0_monitor.get_funding_txo().unwrap(), chan_0_monitor).is_ok());
+ assert!(nodes[0].chan_monitor.add_monitor(chan_0_monitor.get_funding_txo(), chan_0_monitor).is_ok());
nodes[0].node = &nodes_0_deserialized;
check_added_monitors!(nodes[0], 1);
monitor: nodes[0].chan_monitor,
tx_broadcaster: nodes[0].tx_broadcaster.clone(),
logger: Arc::new(test_utils::TestLogger::new()),
- channel_monitors: &mut node_0_stale_monitors.iter_mut().map(|monitor| { (monitor.get_funding_txo().unwrap(), monitor) }).collect(),
+ channel_monitors: &mut node_0_stale_monitors.iter_mut().map(|monitor| { (monitor.get_funding_txo(), monitor) }).collect(),
}) { } else {
panic!("If the monitor(s) are stale, this indicates a bug and we should get an Err return");
};
monitor: nodes[0].chan_monitor,
tx_broadcaster: nodes[0].tx_broadcaster.clone(),
logger: Arc::new(test_utils::TestLogger::new()),
- channel_monitors: &mut node_0_monitors.iter_mut().map(|monitor| { (monitor.get_funding_txo().unwrap(), monitor) }).collect(),
+ channel_monitors: &mut node_0_monitors.iter_mut().map(|monitor| { (monitor.get_funding_txo(), monitor) }).collect(),
}).unwrap();
nodes_0_deserialized = nodes_0_deserialized_tmp;
assert!(nodes_0_read.is_empty());
}
for monitor in node_0_monitors.drain(..) {
- assert!(nodes[0].chan_monitor.add_monitor(monitor.get_funding_txo().unwrap(), monitor).is_ok());
+ assert!(nodes[0].chan_monitor.add_monitor(monitor.get_funding_txo(), monitor).is_ok());
check_added_monitors!(nodes[0], 1);
}
nodes[0].node = &nodes_0_deserialized;
check_added_monitors!(nodes[0], 1);
let revoked_htlc_txn = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap();
- assert_eq!(revoked_htlc_txn.len(), 3);
- assert_eq!(revoked_htlc_txn[0], revoked_htlc_txn[2]);
+ assert_eq!(revoked_htlc_txn.len(), 2);
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]);
check_added_monitors!(nodes[1], 1);
let revoked_htlc_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap();
- assert_eq!(revoked_htlc_txn.len(), 3);
- assert_eq!(revoked_htlc_txn[0], revoked_htlc_txn[2]);
+ assert_eq!(revoked_htlc_txn.len(), 2);
assert_eq!(revoked_htlc_txn[0].input.len(), 1);
assert_eq!(revoked_htlc_txn[0].input[0].witness.last().unwrap().len(), ACCEPTED_HTLC_SCRIPT_WEIGHT);
check_spends!(revoked_htlc_txn[0], revoked_local_txn[0]);
let logger: Arc<Logger> = Arc::new(test_utils::TestLogger::with_id(format!("node {}", 0)));
let mut chan_monitor = <(Sha256dHash, ChannelMonitor<EnforcingChannelKeys>)>::read(&mut ::std::io::Cursor::new(previous_chan_monitor_state.0), Arc::clone(&logger)).unwrap().1;
let chain_monitor = Arc::new(ChainWatchInterfaceUtil::new(Network::Testnet, Arc::clone(&logger)));
- tx_broadcaster = test_utils::TestBroadcaster{txn_broadcasted: Mutex::new(Vec::new()), broadcasted_txn: Mutex::new(HashMap::new())};
+ tx_broadcaster = test_utils::TestBroadcaster{txn_broadcasted: Mutex::new(Vec::new())};
fee_estimator = test_utils::TestFeeEstimator { sat_per_kw: 253 };
keys_manager = test_utils::TestKeysInterface::new(&nodes[0].node_seed, Network::Testnet, Arc::clone(&logger));
monitor = test_utils::TestChannelMonitor::new(chain_monitor.clone(), &tx_broadcaster, logger.clone(), &fee_estimator);
check_added_monitors!(nodes[1], 1);
let revoked_htlc_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap();
- assert_eq!(revoked_htlc_txn.len(), 6);
+ 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]);
// ...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), 200_000);
}
+
+#[test]
+fn test_update_err_monitor_lockdown() {
+ // Our monitor will lock update of local commitment transaction if a broadcastion condition
+ // has been fulfilled (either force-close from Channel or block height requiring a HTLC-
+ // timeout). Trying to update monitor after lockdown should return a ChannelMonitorUpdateErr.
+ //
+ // This scenario may happen in a watchtower setup, where watchtower process a block height
+ // triggering a timeout while a slow-block-processing ChannelManager receives a local signed
+ // commitment at same time.
+
+ 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);
+
+ // Create some initial channel
+ let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
+ let outpoint = OutPoint { txid: chan_1.3.txid(), index: 0 };
+
+ // Rebalance the network to generate htlc in the two directions
+ send_payment(&nodes[0], &vec!(&nodes[1])[..], 10_000_000, 10_000_000);
+
+ // Route a HTLC from node 0 to node 1 (but don't settle)
+ let preimage = route_payment(&nodes[0], &vec!(&nodes[1])[..], 9_000_000).0;
+
+ // Copy SimpleManyChannelMonitor to simulate a watchtower and update block height of node 0 until its ChannelMonitor timeout HTLC onchain
+ let logger = Arc::new(test_utils::TestLogger::with_id(format!("node {}", 0)));
+ let watchtower = {
+ let monitors = nodes[0].chan_monitor.simple_monitor.monitors.lock().unwrap();
+ let monitor = monitors.get(&outpoint).unwrap();
+ let mut w = test_utils::TestVecWriter(Vec::new());
+ monitor.write_for_disk(&mut w).unwrap();
+ let new_monitor = <(Sha256dHash, channelmonitor::ChannelMonitor<EnforcingChannelKeys>)>::read(
+ &mut ::std::io::Cursor::new(&w.0), Arc::new(test_utils::TestLogger::new())).unwrap().1;
+ assert!(new_monitor == *monitor);
+ let chain_monitor = Arc::new(chaininterface::ChainWatchInterfaceUtil::new(Network::Testnet, logger.clone() as Arc<Logger>));
+ let watchtower = test_utils::TestChannelMonitor::new(chain_monitor, &chanmon_cfgs[0].tx_broadcaster, logger.clone(), &chanmon_cfgs[0].fee_estimator);
+ assert!(watchtower.add_monitor(outpoint, new_monitor).is_ok());
+ watchtower
+ };
+ let header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 };
+ watchtower.simple_monitor.block_connected(&header, 200, &vec![], &vec![]);
+
+ // Try to update ChannelMonitor
+ assert!(nodes[1].node.claim_funds(preimage, &None, 9_000_000));
+ check_added_monitors!(nodes[1], 1);
+ let updates = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
+ assert_eq!(updates.update_fulfill_htlcs.len(), 1);
+ nodes[0].node.handle_update_fulfill_htlc(&nodes[1].node.get_our_node_id(), &updates.update_fulfill_htlcs[0]);
+ if let Some(ref mut channel) = nodes[0].node.channel_state.lock().unwrap().by_id.get_mut(&chan_1.2) {
+ if let Ok((_, _, _, update)) = channel.commitment_signed(&updates.commitment_signed, &node_cfgs[0].fee_estimator) {
+ if let Err(_) = watchtower.simple_monitor.update_monitor(outpoint, update.clone()) {} else { assert!(false); }
+ if let Ok(_) = nodes[0].chan_monitor.update_monitor(outpoint, update) {} else { assert!(false); }
+ } else { assert!(false); }
+ } else { assert!(false); };
+ // Our local monitor is in-sync and hasn't processed yet timeout
+ check_added_monitors!(nodes[0], 1);
+ let events = nodes[0].node.get_and_clear_pending_events();
+ assert_eq!(events.len(), 1);
+}
projects / rust-lightning / blobdiff