X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=lightning%2Fsrc%2Fln%2Ffunctional_tests.rs;h=9d8a0bc2465de9f424cd45c90de0d1ef4fcd8512;hb=5d0bfa383425ecbf308fdf819dbf7ad19e6c5ca4;hp=0c6bac59cb5c6b7278aad252795557691904352c;hpb=2be1f72005d407ed0183b383deeaca6b88becc31;p=rust-lightning diff --git a/lightning/src/ln/functional_tests.rs b/lightning/src/ln/functional_tests.rs index 0c6bac59..9d8a0bc2 100644 --- a/lightning/src/ln/functional_tests.rs +++ b/lightning/src/ln/functional_tests.rs @@ -4,10 +4,12 @@ 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}; @@ -449,13 +451,8 @@ fn do_test_sanity_on_in_flight_opens(steps: u8) { let (temporary_channel_id, tx, funding_output) = create_funding_transaction(&nodes[0], 100000, 42); if steps & 0x0f == 3 { return; } - { - nodes[0].node.funding_transaction_generated(&temporary_channel_id, funding_output); - let mut added_monitors = nodes[0].chan_monitor.added_monitors.lock().unwrap(); - assert_eq!(added_monitors.len(), 1); - assert_eq!(added_monitors[0].0, funding_output); - added_monitors.clear(); - } + nodes[0].node.funding_transaction_generated(&temporary_channel_id, funding_output); + check_added_monitors!(nodes[0], 0); let funding_created = get_event_msg!(nodes[0], MessageSendEvent::SendFundingCreated, nodes[1].node.get_our_node_id()); if steps & 0x0f == 4 { return; } @@ -2342,25 +2339,25 @@ fn claim_htlc_outputs_single_tx() { // ChannelMonitor: local commitment + local HTLC-timeout (2) // Check the pair local commitment and HTLC-timeout broadcast due to HTLC expiration + assert_eq!(node_txn[2].input.len(), 1); + check_spends!(node_txn[2], chan_1.3); assert_eq!(node_txn[3].input.len(), 1); - check_spends!(node_txn[3], chan_1.3); - assert_eq!(node_txn[0].input.len(), 1); - let witness_script = node_txn[0].input[0].witness.last().unwrap(); + 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[0], node_txn[3]); + 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[2].input.len(), 1); assert_eq!(node_txn[4].input.len(), 1); + check_spends!(node_txn[0], revoked_local_txn[0]); check_spends!(node_txn[1], revoked_local_txn[0]); - check_spends!(node_txn[2], revoked_local_txn[0]); check_spends!(node_txn[4], revoked_local_txn[0]); let mut witness_lens = BTreeSet::new(); + 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[2].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 @@ -2612,19 +2609,18 @@ fn test_htlc_on_chain_timeout() { { 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[1], node_txn[3]); + assert_eq!(node_txn[2], node_txn[4]); - assert_eq!(node_txn[2], node_txn[3]); - assert_eq!(node_txn[0], node_txn[4]); + 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[1], commitment_tx[0]); - assert_eq!(node_txn[1].clone().input[0].witness.last().unwrap().len(), ACCEPTED_HTLC_SCRIPT_WEIGHT); - - check_spends!(node_txn[2], chan_2.3); - check_spends!(node_txn[0], node_txn[2]); - assert_eq!(node_txn[2].clone().input[0].witness.last().unwrap().len(), 71); - assert_eq!(node_txn[0].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[1].clone(); + timeout_tx = node_txn[0].clone(); node_txn.clear(); } @@ -3765,7 +3761,7 @@ fn test_no_txn_manager_serialize_deserialize() { 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)>::read(&mut nodes_0_read, ChannelManagerReadArgs { default_config: config, keys_manager: &keys_manager, @@ -3779,7 +3775,7 @@ fn test_no_txn_manager_serialize_deserialize() { 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); @@ -3838,7 +3834,7 @@ fn test_simple_manager_serialize_deserialize() { 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)>::read(&mut nodes_0_read, ChannelManagerReadArgs { default_config: UserConfig::default(), keys_manager: &keys_manager, @@ -3852,7 +3848,7 @@ fn test_simple_manager_serialize_deserialize() { 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); @@ -3934,7 +3930,7 @@ fn test_manager_serialize_deserialize_inconsistent_monitor() { 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"); }; @@ -3948,7 +3944,7 @@ fn test_manager_serialize_deserialize_inconsistent_monitor() { 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()); @@ -3961,7 +3957,7 @@ fn test_manager_serialize_deserialize_inconsistent_monitor() { } 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; @@ -4354,8 +4350,7 @@ fn test_static_spendable_outputs_justice_tx_revoked_htlc_timeout_tx() { 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]); @@ -4411,8 +4406,7 @@ fn test_static_spendable_outputs_justice_tx_revoked_htlc_success_tx() { 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]); @@ -5327,7 +5321,7 @@ fn run_onion_failure_test_with_fail_intercept(_name: &str, test_case: let events = nodes[0].node.get_and_clear_pending_events(); assert_eq!(events.len(), 1); - if let &Event::PaymentFailed { payment_hash:_, ref rejected_by_dest, ref error_code } = &events[0] { + if let &Event::PaymentFailed { payment_hash:_, ref rejected_by_dest, ref error_code, error_data: _ } = &events[0] { assert_eq!(*rejected_by_dest, !expected_retryable); assert_eq!(*error_code, expected_error_code); } else { @@ -6795,7 +6789,7 @@ fn test_data_loss_protect() { let logger: Arc = Arc::new(test_utils::TestLogger::with_id(format!("node {}", 0))); let mut chan_monitor = <(Sha256dHash, ChannelMonitor)>::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); @@ -6915,9 +6909,20 @@ fn test_check_htlc_underpaying() { let events = nodes[0].node.get_and_clear_pending_events(); assert_eq!(events.len(), 1); - if let &Event::PaymentFailed { payment_hash:_, ref rejected_by_dest, ref error_code } = &events[0] { + if let &Event::PaymentFailed { payment_hash:_, ref rejected_by_dest, ref error_code, ref error_data } = &events[0] { assert_eq!(*rejected_by_dest, true); assert_eq!(error_code.unwrap(), 0x4000|15); + // 10_000 msat as u64, followed by a height of 99 as u32 + assert_eq!(&error_data.as_ref().unwrap()[..], &[ + ((10_000u64 >> 7*8) & 0xff) as u8, + ((10_000u64 >> 6*8) & 0xff) as u8, + ((10_000u64 >> 5*8) & 0xff) as u8, + ((10_000u64 >> 4*8) & 0xff) as u8, + ((10_000u64 >> 3*8) & 0xff) as u8, + ((10_000u64 >> 2*8) & 0xff) as u8, + ((10_000u64 >> 1*8) & 0xff) as u8, + ((10_000u64 >> 0*8) & 0xff) as u8, + 0, 0, 0, 99]); } else { panic!("Unexpected event"); } @@ -7118,7 +7123,7 @@ fn test_bump_penalty_txn_on_revoked_htlcs() { 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]); @@ -7376,11 +7381,11 @@ fn test_set_outpoints_partial_claiming() { let partial_claim_tx = { let node_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap(); assert_eq!(node_txn.len(), 3); - check_spends!(node_txn[0], node_txn[2]); - check_spends!(node_txn[1], node_txn[2]); - assert_eq!(node_txn[0].input.len(), 1); + check_spends!(node_txn[1], node_txn[0]); + check_spends!(node_txn[2], node_txn[0]); assert_eq!(node_txn[1].input.len(), 1); - node_txn[0].clone() + assert_eq!(node_txn[2].input.len(), 1); + node_txn[1].clone() }; // Broadcast partial claim on node A, should regenerate a claiming tx with HTLC dropped @@ -7584,3 +7589,64 @@ fn test_simple_mpp() { // ...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)>::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)); + 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); +}