//! claim outputs on-chain.
use chain;
-use chain::Listen;
-use chain::Watch;
+use chain::{Confirm, Listen, Watch};
use chain::channelmonitor;
use chain::channelmonitor::{ChannelMonitor, CLTV_CLAIM_BUFFER, LATENCY_GRACE_PERIOD_BLOCKS, ANTI_REORG_DELAY};
use chain::transaction::OutPoint;
use chain::keysinterface::{KeysInterface, BaseSign};
use ln::{PaymentPreimage, PaymentSecret, PaymentHash};
use ln::channel::{COMMITMENT_TX_BASE_WEIGHT, COMMITMENT_TX_WEIGHT_PER_HTLC};
-use ln::channelmanager::{ChannelManager, ChannelManagerReadArgs, RAACommitmentOrder, PaymentSendFailure, BREAKDOWN_TIMEOUT};
+use ln::channelmanager::{ChannelManager, ChannelManagerReadArgs, RAACommitmentOrder, PaymentSendFailure, BREAKDOWN_TIMEOUT, MIN_CLTV_EXPIRY_DELTA};
use ln::channel::{Channel, ChannelError};
use ln::{chan_utils, onion_utils};
use routing::router::{Route, RouteHop, get_route};
use ln::msgs::{ChannelMessageHandler,RoutingMessageHandler,HTLCFailChannelUpdate, ErrorAction};
use util::enforcing_trait_impls::EnforcingSigner;
use util::{byte_utils, test_utils};
-use util::events::{Event, EventsProvider, MessageSendEvent, MessageSendEventsProvider};
+use util::events::{Event, MessageSendEvent, MessageSendEventsProvider};
use util::errors::APIError;
use util::ser::{Writeable, ReadableArgs};
use util::config::UserConfig;
use regex;
-use std::collections::{BTreeSet, HashMap, HashSet};
-use std::default::Default;
-use std::sync::Mutex;
+use prelude::*;
+use alloc::collections::BTreeSet;
+use core::default::Default;
+use std::sync::{Arc, Mutex};
use ln::functional_test_utils::*;
use ln::chan_utils::CommitmentTransaction;
nodes[0].node.handle_shutdown(&nodes[1].node.get_our_node_id(), &InitFeatures::known(), &node_1_2nd_shutdown);
node_0_2nd_shutdown
} else {
- assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty());
+ let node_0_chan_update = get_event_msg!(nodes[0], MessageSendEvent::SendChannelUpdate, nodes[1].node.get_our_node_id());
+ assert_eq!(node_0_chan_update.contents.flags & 2, 0); // "disabled" flag must not be set as we just reconnected.
nodes[0].node.handle_shutdown(&nodes[1].node.get_our_node_id(), &InitFeatures::known(), &node_1_2nd_shutdown);
get_event_msg!(nodes[0], MessageSendEvent::SendShutdown, nodes[1].node.get_our_node_id())
};
nodes[0].node.handle_update_fail_htlc(&nodes[1].node.get_our_node_id(), &bs_fail_updates.update_fail_htlcs[0]);
commitment_signed_dance!(nodes[0], nodes[1], bs_fail_updates.commitment_signed, false, true);
- let events = nodes[0].node.get_and_clear_pending_msg_events();
- assert_eq!(events.len(), 1);
- match events[0] {
- MessageSendEvent::PaymentFailureNetworkUpdate { update: msgs::HTLCFailChannelUpdate::ChannelUpdateMessage { ref msg }} => {
- assert_eq!(msg.contents.short_channel_id, chan_2.0.contents.short_channel_id);
- },
- _ => panic!("Unexpected event"),
- }
-
+ expect_payment_failure_chan_update!(nodes[0], chan_2.0.contents.short_channel_id, false);
expect_payment_failed!(nodes[0], payment_hash_2, false);
// Now forward all the pending HTLCs and claim them back
mine_transaction(&nodes[0], &remote_txn[0]);
check_added_monitors!(nodes[0], 1);
+ connect_blocks(&nodes[0], TEST_FINAL_CLTV - 1); // Confirm blocks until the HTLC expires
// Check we only broadcast 1 timeout tx
let claim_txn = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap().clone();
- let htlc_pair = if claim_txn[0].output[0].value == 800_000 / 1000 { (claim_txn[0].clone(), claim_txn[1].clone()) } else { (claim_txn[1].clone(), claim_txn[0].clone()) };
- assert_eq!(claim_txn.len(), 5);
- check_spends!(claim_txn[2], chan_1.3);
- check_spends!(claim_txn[3], claim_txn[2]);
- assert_eq!(htlc_pair.0.input.len(), 1);
- assert_eq!(htlc_pair.0.input[0].witness.last().unwrap().len(), OFFERED_HTLC_SCRIPT_WEIGHT); // HTLC 1 <--> 0, preimage tx
- check_spends!(htlc_pair.0, remote_txn[0]);
- assert_eq!(htlc_pair.1.input.len(), 1);
- assert_eq!(htlc_pair.1.input[0].witness.last().unwrap().len(), ACCEPTED_HTLC_SCRIPT_WEIGHT); // HTLC 0 <--> 1, timeout tx
- check_spends!(htlc_pair.1, remote_txn[0]);
+ assert_eq!(claim_txn.len(), 8);
+ assert_eq!(claim_txn[1], claim_txn[4]);
+ assert_eq!(claim_txn[2], claim_txn[5]);
+ check_spends!(claim_txn[1], chan_1.3);
+ check_spends!(claim_txn[2], claim_txn[1]);
+ check_spends!(claim_txn[7], claim_txn[1]);
+
+ assert_eq!(claim_txn[0].input.len(), 1);
+ assert_eq!(claim_txn[3].input.len(), 1);
+ assert_eq!(claim_txn[0].input[0].previous_output, claim_txn[3].input[0].previous_output);
+
+ assert_eq!(claim_txn[0].input.len(), 1);
+ assert_eq!(claim_txn[0].input[0].witness.last().unwrap().len(), OFFERED_HTLC_SCRIPT_WEIGHT); // HTLC 1 <--> 0, preimage tx
+ check_spends!(claim_txn[0], remote_txn[0]);
+ assert_eq!(remote_txn[0].output[claim_txn[0].input[0].previous_output.vout as usize].value, 800);
+ assert_eq!(claim_txn[6].input.len(), 1);
+ assert_eq!(claim_txn[6].input[0].witness.last().unwrap().len(), ACCEPTED_HTLC_SCRIPT_WEIGHT); // HTLC 0 <--> 1, timeout tx
+ check_spends!(claim_txn[6], remote_txn[0]);
+ assert_eq!(remote_txn[0].output[claim_txn[6].input[0].previous_output.vout as usize].value, 900);
let events = nodes[0].node.get_and_clear_pending_msg_events();
assert_eq!(events.len(), 3);
},
_ => panic!("Unexpected event"),
};
- nodes[1].logger.assert_log("lightning::ln::channel".to_string(), "Attempting to fail HTLC due to fee spike buffer violation".to_string(), 1);
+ nodes[1].logger.assert_log("lightning::ln::channel".to_string(),
+ format!("Attempting to fail HTLC due to fee spike buffer violation in channel {}. Rebalancing is required.", ::hex::encode(raa_msg.channel_id)), 1);
check_added_monitors!(nodes[1], 2);
}
// sending any above-dust amount would result in a channel reserve violation.
// In this test we check that we would be prevented from sending an HTLC in
// this situation.
- chanmon_cfgs[0].fee_estimator = test_utils::TestFeeEstimator { sat_per_kw: 6000 };
- chanmon_cfgs[1].fee_estimator = test_utils::TestFeeEstimator { sat_per_kw: 6000 };
+ chanmon_cfgs[0].fee_estimator = test_utils::TestFeeEstimator { sat_per_kw: Mutex::new(6000) };
+ chanmon_cfgs[1].fee_estimator = test_utils::TestFeeEstimator { sat_per_kw: Mutex::new(6000) };
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);
// to channel reserve violation. This close could also happen if the fee went
// up a more realistic amount, but many HTLCs were outstanding at the time of
// the update_add_htlc.
- chanmon_cfgs[0].fee_estimator = test_utils::TestFeeEstimator { sat_per_kw: 6000 };
- chanmon_cfgs[1].fee_estimator = test_utils::TestFeeEstimator { sat_per_kw: 6000 };
+ chanmon_cfgs[0].fee_estimator = test_utils::TestFeeEstimator { sat_per_kw: Mutex::new(6000) };
+ chanmon_cfgs[1].fee_estimator = test_utils::TestFeeEstimator { sat_per_kw: Mutex::new(6000) };
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);
assert_eq!(channels0.len(), 1);
assert_eq!(channels1.len(), 1);
- assert_eq!(channels0[0].inbound_capacity_msat, 95000000);
- assert_eq!(channels1[0].outbound_capacity_msat, 95000000);
+ let reserve = Channel::<EnforcingSigner>::get_holder_selected_channel_reserve_satoshis(100000);
+ assert_eq!(channels0[0].inbound_capacity_msat, 95000000 - reserve*1000);
+ assert_eq!(channels1[0].outbound_capacity_msat, 95000000 - reserve*1000);
- assert_eq!(channels0[0].outbound_capacity_msat, 100000 * 1000 - 95000000);
- assert_eq!(channels1[0].inbound_capacity_msat, 100000 * 1000 - 95000000);
+ assert_eq!(channels0[0].outbound_capacity_msat, 100000 * 1000 - 95000000 - reserve*1000);
+ assert_eq!(channels1[0].inbound_capacity_msat, 100000 * 1000 - 95000000 - reserve*1000);
}
fn commit_tx_fee_msat(feerate: u32, num_htlcs: u64) -> u64 {
fn test_channel_reserve_holding_cell_htlcs() {
let chanmon_cfgs = create_chanmon_cfgs(3);
let node_cfgs = create_node_cfgs(3, &chanmon_cfgs);
- let node_chanmgrs = create_node_chanmgrs(3, &node_cfgs, &[None, None, None]);
+ // When this test was written, the default base fee floated based on the HTLC count.
+ // It is now fixed, so we simply set the fee to the expected value here.
+ let mut config = test_default_channel_config();
+ config.channel_options.forwarding_fee_base_msat = 239;
+ let node_chanmgrs = create_node_chanmgrs(3, &node_cfgs, &[Some(config.clone()), Some(config.clone()), Some(config.clone())]);
let mut nodes = create_network(3, &node_cfgs, &node_chanmgrs);
let chan_1 = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 190000, 1001, InitFeatures::known(), InitFeatures::known());
let chan_2 = create_announced_chan_between_nodes_with_value(&nodes, 1, 2, 190000, 1001, InitFeatures::known(), InitFeatures::known());
}}
}
- let feemsat = 239; // somehow we know?
+ let feemsat = 239; // set above
let total_fee_msat = (nodes.len() - 2) as u64 * feemsat;
let feerate = get_feerate!(nodes[0], chan_1.2);
// One pending HTLC is discarded by the force-close:
let payment_preimage_1 = route_payment(&nodes[1], &vec!(&nodes[2], &nodes[3])[..], 3000000).0;
- // Simple case of one pending HTLC to HTLC-Timeout
+ // Simple case of one pending HTLC to HTLC-Timeout (note that the HTLC-Timeout is not
+ // broadcasted until we reach the timelock time).
nodes[1].node.peer_disconnected(&nodes[2].node.get_our_node_id(), true);
check_closed_broadcast!(nodes[1], false);
check_added_monitors!(nodes[1], 1);
{
- let mut node_txn = test_txn_broadcast(&nodes[1], &chan_2, None, HTLCType::TIMEOUT);
+ let mut node_txn = test_txn_broadcast(&nodes[1], &chan_2, None, HTLCType::NONE);
+ connect_blocks(&nodes[1], TEST_FINAL_CLTV + LATENCY_GRACE_PERIOD_BLOCKS + MIN_CLTV_EXPIRY_DELTA as u32 + 1);
+ test_txn_broadcast(&nodes[1], &chan_2, None, HTLCType::TIMEOUT);
mine_transaction(&nodes[2], &node_txn[0]);
check_added_monitors!(nodes[2], 1);
test_txn_broadcast(&nodes[2], &chan_2, None, HTLCType::NONE);
check_closed_broadcast!(nodes[2], false);
let node2_commitment_txid;
{
- let node_txn = test_txn_broadcast(&nodes[2], &chan_3, None, HTLCType::TIMEOUT);
+ let node_txn = test_txn_broadcast(&nodes[2], &chan_3, None, HTLCType::NONE);
+ connect_blocks(&nodes[2], TEST_FINAL_CLTV + LATENCY_GRACE_PERIOD_BLOCKS + MIN_CLTV_EXPIRY_DELTA as u32 + 1);
+ test_txn_broadcast(&nodes[2], &chan_3, None, HTLCType::TIMEOUT);
node2_commitment_txid = node_txn[0].txid();
// Claim the payment on nodes[3], giving it knowledge of the preimage
test_txn_broadcast(&nodes[1], &chan_5, None, HTLCType::NONE);
mine_transaction(&nodes[0], &revoked_local_txn[0]);
+ connect_blocks(&nodes[0], TEST_FINAL_CLTV - 1); // Confirm blocks until the HTLC expires
// Verify broadcast of revoked HTLC-timeout
let node_txn = test_txn_broadcast(&nodes[0], &chan_5, Some(revoked_local_txn[0].clone()), HTLCType::TIMEOUT);
check_added_monitors!(nodes[0], 1);
expect_payment_failed!(nodes[1], payment_hash_2, true);
let node_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap();
- assert_eq!(node_txn.len(), 3); // ChannelMonitor: penalty tx, ChannelManager: local commitment + HTLC-timeout
+ assert_eq!(node_txn.len(), 2); // ChannelMonitor: penalty tx, ChannelManager: local commitment
assert_eq!(node_txn[0].input.len(), 3); // Claim the revoked output + both revoked HTLC outputs
check_spends!(node_txn[0], revoked_local_txn[0]);
// Next nodes[1] broadcasts its current local tx state:
assert_eq!(node_txn[1].input.len(), 1);
assert_eq!(node_txn[1].input[0].previous_output.txid, chan_1.3.txid()); //Spending funding tx unique txouput, tx broadcasted by ChannelManager
-
- assert_eq!(node_txn[2].input.len(), 1);
- let witness_script = node_txn[2].clone().input[0].witness.pop().unwrap();
- assert_eq!(witness_script.len(), OFFERED_HTLC_SCRIPT_WEIGHT); //Spending an offered htlc output
- assert_eq!(node_txn[2].input[0].previous_output.txid, node_txn[1].txid());
- assert_ne!(node_txn[2].input[0].previous_output.txid, node_txn[0].input[0].previous_output.txid);
- assert_ne!(node_txn[2].input[0].previous_output.txid, node_txn[0].input[1].previous_output.txid);
}
get_announce_close_broadcast_events(&nodes, 0, 1);
assert_eq!(nodes[0].node.list_channels().len(), 0);
let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known());
let chan_2 = create_announced_chan_between_nodes(&nodes, 1, 2, InitFeatures::known(), InitFeatures::known());
+ // Ensure all nodes are at the same height
+ let node_max_height = nodes.iter().map(|node| node.blocks.lock().unwrap().len()).max().unwrap() as u32;
+ connect_blocks(&nodes[0], node_max_height - nodes[0].best_block_info().1);
+ connect_blocks(&nodes[1], node_max_height - nodes[1].best_block_info().1);
+ connect_blocks(&nodes[2], node_max_height - nodes[2].best_block_info().1);
+
// Rebalance the network a bit by relaying one payment through all the channels...
send_payment(&nodes[0], &vec!(&nodes[1], &nodes[2])[..], 8000000);
send_payment(&nodes[0], &vec!(&nodes[1], &nodes[2])[..], 8000000);
// Verify that B's ChannelManager is able to extract preimage from HTLC Success tx and pass it backward
let header = BlockHeader { version: 0x20000000, prev_blockhash: nodes[1].best_block_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42};
connect_block(&nodes[1], &Block { header, txdata: node_txn});
+ connect_blocks(&nodes[1], TEST_FINAL_CLTV - 1); // Confirm blocks until the HTLC expires
{
let mut added_monitors = nodes[1].chain_monitor.added_monitors.lock().unwrap();
assert_eq!(added_monitors.len(), 1);
macro_rules! check_tx_local_broadcast {
($node: expr, $htlc_offered: expr, $commitment_tx: expr, $chan_tx: expr) => { {
let mut node_txn = $node.tx_broadcaster.txn_broadcasted.lock().unwrap();
- assert_eq!(node_txn.len(), 5);
+ assert_eq!(node_txn.len(), 3);
// Node[1]: ChannelManager: 3 (commitment tx, 2*HTLC-Timeout tx), ChannelMonitor: 2 (timeout tx)
// Node[0]: ChannelManager: 3 (commtiemtn tx, 2*HTLC-Timeout tx), ChannelMonitor: 2 HTLC-timeout
- check_spends!(node_txn[0], $commitment_tx);
check_spends!(node_txn[1], $commitment_tx);
- assert_ne!(node_txn[0].lock_time, 0);
+ check_spends!(node_txn[2], $commitment_tx);
assert_ne!(node_txn[1].lock_time, 0);
+ assert_ne!(node_txn[2].lock_time, 0);
if $htlc_offered {
- assert_eq!(node_txn[0].input[0].witness.last().unwrap().len(), OFFERED_HTLC_SCRIPT_WEIGHT);
assert_eq!(node_txn[1].input[0].witness.last().unwrap().len(), OFFERED_HTLC_SCRIPT_WEIGHT);
- assert!(node_txn[0].output[0].script_pubkey.is_v0_p2wsh()); // revokeable output
+ assert_eq!(node_txn[2].input[0].witness.last().unwrap().len(), OFFERED_HTLC_SCRIPT_WEIGHT);
assert!(node_txn[1].output[0].script_pubkey.is_v0_p2wsh()); // revokeable output
+ assert!(node_txn[2].output[0].script_pubkey.is_v0_p2wsh()); // revokeable output
} else {
- assert_eq!(node_txn[0].input[0].witness.last().unwrap().len(), ACCEPTED_HTLC_SCRIPT_WEIGHT);
assert_eq!(node_txn[1].input[0].witness.last().unwrap().len(), ACCEPTED_HTLC_SCRIPT_WEIGHT);
- assert!(node_txn[0].output[0].script_pubkey.is_v0_p2wpkh()); // direct payment
+ assert_eq!(node_txn[2].input[0].witness.last().unwrap().len(), ACCEPTED_HTLC_SCRIPT_WEIGHT);
assert!(node_txn[1].output[0].script_pubkey.is_v0_p2wpkh()); // direct payment
+ assert!(node_txn[2].output[0].script_pubkey.is_v0_p2wpkh()); // direct payment
}
- check_spends!(node_txn[2], $chan_tx);
- check_spends!(node_txn[3], node_txn[2]);
- check_spends!(node_txn[4], node_txn[2]);
- assert_eq!(node_txn[2].input[0].witness.last().unwrap().len(), 71);
- assert_eq!(node_txn[3].input[0].witness.last().unwrap().len(), OFFERED_HTLC_SCRIPT_WEIGHT);
- assert_eq!(node_txn[4].input[0].witness.last().unwrap().len(), OFFERED_HTLC_SCRIPT_WEIGHT);
- assert!(node_txn[3].output[0].script_pubkey.is_v0_p2wsh()); // revokeable output
- assert!(node_txn[4].output[0].script_pubkey.is_v0_p2wsh()); // revokeable output
- assert_ne!(node_txn[3].lock_time, 0);
- assert_ne!(node_txn[4].lock_time, 0);
+ check_spends!(node_txn[0], $chan_tx);
+ assert_eq!(node_txn[0].input[0].witness.last().unwrap().len(), 71);
node_txn.clear();
} }
}
// Broadcast legit commitment tx from A on B's chain
// Broadcast preimage tx by B on offered output from A commitment tx on A's chain
- let commitment_tx = get_local_commitment_txn!(nodes[0], chan_1.2);
- check_spends!(commitment_tx[0], chan_1.3);
- mine_transaction(&nodes[1], &commitment_tx[0]);
+ let node_a_commitment_tx = get_local_commitment_txn!(nodes[0], chan_1.2);
+ check_spends!(node_a_commitment_tx[0], chan_1.3);
+ mine_transaction(&nodes[1], &node_a_commitment_tx[0]);
check_closed_broadcast!(nodes[1], true);
check_added_monitors!(nodes[1], 1);
- let node_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap().clone(); // ChannelManager : 3 (commitment tx + HTLC-Sucess * 2), ChannelMonitor : 1 (HTLC-Success)
- assert_eq!(node_txn.len(), 4);
- check_spends!(node_txn[0], commitment_tx[0]);
- assert_eq!(node_txn[0].input.len(), 2);
- assert_eq!(node_txn[0].input[0].witness.last().unwrap().len(), OFFERED_HTLC_SCRIPT_WEIGHT);
- assert_eq!(node_txn[0].input[1].witness.last().unwrap().len(), OFFERED_HTLC_SCRIPT_WEIGHT);
- assert_eq!(node_txn[0].lock_time, 0);
- assert!(node_txn[0].output[0].script_pubkey.is_v0_p2wpkh()); // direct payment
- check_spends!(node_txn[1], chan_1.3);
- assert_eq!(node_txn[1].input[0].witness.clone().last().unwrap().len(), 71);
- check_spends!(node_txn[2], node_txn[1]);
- check_spends!(node_txn[3], node_txn[1]);
+ let node_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap().clone();
+ assert_eq!(node_txn.len(), 6); // ChannelManager : 3 (commitment tx + HTLC-Sucess * 2), ChannelMonitor : 3 (HTLC-Success, 2* RBF bumps of above HTLC txn)
+ let commitment_spend =
+ if node_txn[0].input[0].previous_output.txid == node_a_commitment_tx[0].txid() {
+ check_spends!(node_txn[1], commitment_tx[0]);
+ check_spends!(node_txn[2], commitment_tx[0]);
+ assert_ne!(node_txn[1].input[0].previous_output.vout, node_txn[2].input[0].previous_output.vout);
+ &node_txn[0]
+ } else {
+ check_spends!(node_txn[0], commitment_tx[0]);
+ check_spends!(node_txn[1], commitment_tx[0]);
+ assert_ne!(node_txn[0].input[0].previous_output.vout, node_txn[1].input[0].previous_output.vout);
+ &node_txn[2]
+ };
+
+ check_spends!(commitment_spend, node_a_commitment_tx[0]);
+ assert_eq!(commitment_spend.input.len(), 2);
+ assert_eq!(commitment_spend.input[0].witness.last().unwrap().len(), OFFERED_HTLC_SCRIPT_WEIGHT);
+ assert_eq!(commitment_spend.input[1].witness.last().unwrap().len(), OFFERED_HTLC_SCRIPT_WEIGHT);
+ assert_eq!(commitment_spend.lock_time, 0);
+ assert!(commitment_spend.output[0].script_pubkey.is_v0_p2wpkh()); // direct payment
+ check_spends!(node_txn[3], chan_1.3);
+ assert_eq!(node_txn[3].input[0].witness.clone().last().unwrap().len(), 71);
+ check_spends!(node_txn[4], node_txn[3]);
+ check_spends!(node_txn[5], node_txn[3]);
// We don't bother to check that B can claim the HTLC output on its commitment tx here as
// we already checked the same situation with A.
// Verify that A's ChannelManager is able to extract preimage from preimage tx and generate PaymentSent
let mut header = BlockHeader { version: 0x20000000, prev_blockhash: nodes[0].best_block_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42};
- connect_block(&nodes[0], &Block { header, txdata: vec![commitment_tx[0].clone(), node_txn[0].clone()] });
+ connect_block(&nodes[0], &Block { header, txdata: vec![node_a_commitment_tx[0].clone(), commitment_spend.clone()] });
+ connect_blocks(&nodes[0], TEST_FINAL_CLTV + MIN_CLTV_EXPIRY_DELTA as u32 - 1); // Confirm blocks until the HTLC expires
check_closed_broadcast!(nodes[0], true);
check_added_monitors!(nodes[0], 1);
let events = nodes[0].node.get_and_clear_pending_events();
_ => panic!("Unexpected event"),
}
}
- check_tx_local_broadcast!(nodes[0], true, commitment_tx[0], chan_1.3);
+ check_tx_local_broadcast!(nodes[0], true, node_a_commitment_tx[0], chan_1.3);
}
fn do_test_htlc_on_chain_timeout(connect_style: ConnectStyle) {
connect_blocks(&nodes[1], ANTI_REORG_DELAY - 1);
{
- // B will rebroadcast its own holder commitment transaction here...just because
+ // B may rebroadcast its own holder commitment transaction here, as a safeguard against
+ // some incredibly unlikely partial-eclipse-attack scenarios. That said, because the
+ // original commitment_tx[0] (also spending chan_2.3) has reached ANTI_REORG_DELAY B really
+ // shouldn't broadcast anything here, and in some connect style scenarios we do not.
let node_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap().split_off(0);
- assert_eq!(node_txn.len(), 1);
- check_spends!(node_txn[0], chan_2.3);
+ if node_txn.len() == 1 {
+ check_spends!(node_txn[0], chan_2.3);
+ } else {
+ assert_eq!(node_txn.len(), 0);
+ }
}
expect_pending_htlcs_forwardable!(nodes[1]);
check_spends!(commitment_tx[0], chan_1.3);
mine_transaction(&nodes[0], &commitment_tx[0]);
+ connect_blocks(&nodes[0], TEST_FINAL_CLTV + MIN_CLTV_EXPIRY_DELTA as u32 - 1); // Confirm blocks until the HTLC expires
check_closed_broadcast!(nodes[0], true);
check_added_monitors!(nodes[0], 1);
- let node_txn = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap().clone(); // ChannelManager : 2 (commitment tx, HTLC-Timeout tx), ChannelMonitor : 1 timeout tx
- assert_eq!(node_txn.len(), 3);
- 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], chan_1.3);
- 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);
+ let node_txn = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap().clone(); // ChannelManager : 1 commitment tx, ChannelMonitor : 1 timeout tx
+ assert_eq!(node_txn.len(), 2);
+ check_spends!(node_txn[0], chan_1.3);
+ assert_eq!(node_txn[0].clone().input[0].witness.last().unwrap().len(), 71);
+ check_spends!(node_txn[1], commitment_tx[0]);
+ assert_eq!(node_txn[1].clone().input[0].witness.last().unwrap().len(), ACCEPTED_HTLC_SCRIPT_WEIGHT);
}
#[test]
nodes[0].node.handle_update_fail_htlc(&nodes[1].node.get_our_node_id(), &update_fail_htlcs[0]);
commitment_signed_dance!(nodes[0], nodes[1], commitment_signed, false, true);
-
- let events = nodes[0].node.get_and_clear_pending_msg_events();
- assert_eq!(events.len(), 1);
- match events[0] {
- MessageSendEvent::PaymentFailureNetworkUpdate { .. } => {},
- _ => panic!("Unexpected event"),
- }
+ expect_payment_failure_chan_update!(nodes[0], chan_2.0.contents.short_channel_id, true);
expect_payment_failed!(nodes[0], payment_hash, false);
},
_ => panic!("Unexpected event"),
route_payment(&nodes[0], &[&nodes[1]], 10000000);
nodes[0].node.force_close_channel(&nodes[0].node.list_channels()[0].channel_id).unwrap();
+ connect_blocks(&nodes[0], TEST_FINAL_CLTV + LATENCY_GRACE_PERIOD_BLOCKS + 1);
check_closed_broadcast!(nodes[0], true);
check_added_monitors!(nodes[0], 1);
let node_txn = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap();
- assert_eq!(node_txn.len(), 2);
+ assert_eq!(node_txn.len(), 3);
+ assert_eq!(node_txn[0], node_txn[1]);
let mut header = BlockHeader { version: 0x20000000, prev_blockhash: nodes[1].best_block_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 };
connect_block(&nodes[1], &Block { header, txdata: vec![node_txn[0].clone(), node_txn[1].clone()]});
// Duplicate the connect_block call since this may happen due to other listeners
// registering new transactions
header.prev_blockhash = header.block_hash();
- connect_block(&nodes[1], &Block { header, txdata: vec![node_txn[0].clone(), node_txn[1].clone()]});
+ connect_block(&nodes[1], &Block { header, txdata: vec![node_txn[0].clone(), node_txn[2].clone()]});
}
#[test]
check_spends!(node_txn[0], tx);
}
+#[test]
+fn test_dup_events_on_peer_disconnect() {
+ // Test that if we receive a duplicative update_fulfill_htlc message after a reconnect we do
+ // not generate a corresponding duplicative PaymentSent event. This did not use to be the case
+ // as we used to generate the event immediately upon receipt of the payment preimage in the
+ // update_fulfill_htlc message.
+
+ 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_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known());
+
+ let payment_preimage = route_payment(&nodes[0], &[&nodes[1]], 1000000).0;
+
+ assert!(nodes[1].node.claim_funds(payment_preimage));
+ check_added_monitors!(nodes[1], 1);
+ let claim_msgs = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
+ nodes[0].node.handle_update_fulfill_htlc(&nodes[1].node.get_our_node_id(), &claim_msgs.update_fulfill_htlcs[0]);
+ expect_payment_sent!(nodes[0], payment_preimage);
+
+ 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);
+
+ reconnect_nodes(&nodes[0], &nodes[1], (false, false), (0, 0), (1, 0), (0, 0), (0, 0), (false, false));
+ assert!(nodes[0].node.get_and_clear_pending_events().is_empty());
+}
+
#[test]
fn test_simple_peer_disconnect() {
// Test that we can reconnect when there are no lost messages
fail_payment(&nodes[0], &vec!(&nodes[1], &nodes[2]), payment_hash_6);
}
-fn do_test_drop_messages_peer_disconnect(messages_delivered: u8) {
+fn do_test_drop_messages_peer_disconnect(messages_delivered: u8, simulate_broken_lnd: bool) {
// Test that we can reconnect when in-flight HTLC updates get dropped
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 mut as_funding_locked = None;
if messages_delivered == 0 {
- create_chan_between_nodes_with_value_a(&nodes[0], &nodes[1], 100000, 10001, InitFeatures::known(), InitFeatures::known());
+ let (funding_locked, _, _) = create_chan_between_nodes_with_value_a(&nodes[0], &nodes[1], 100000, 10001, InitFeatures::known(), InitFeatures::known());
+ as_funding_locked = Some(funding_locked);
// nodes[1] doesn't receive the funding_locked message (it'll be re-sent on reconnect)
+ // Note that we store it so that if we're running with `simulate_broken_lnd` we can deliver
+ // it before the channel_reestablish message.
} else {
create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known());
}
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);
if messages_delivered < 3 {
+ if simulate_broken_lnd {
+ // lnd has a long-standing bug where they send a funding_locked prior to a
+ // channel_reestablish if you reconnect prior to funding_locked time.
+ //
+ // Here we simulate that behavior, delivering a funding_locked immediately on
+ // reconnect. Note that we don't bother skipping the now-duplicate funding_locked sent
+ // in `reconnect_nodes` but we currently don't fail based on that.
+ //
+ // See-also <https://github.com/lightningnetwork/lnd/issues/4006>
+ nodes[1].node.handle_funding_locked(&nodes[0].node.get_our_node_id(), &as_funding_locked.as_ref().unwrap().0);
+ }
// Even if the funding_locked messages get exchanged, as long as nothing further was
// received on either side, both sides will need to resend them.
reconnect_nodes(&nodes[0], &nodes[1], (true, true), (0, 1), (0, 0), (0, 0), (0, 0), (false, false));
nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id(), false);
if messages_delivered < 2 {
reconnect_nodes(&nodes[0], &nodes[1], (false, false), (0, 0), (1, 0), (0, 0), (0, 0), (false, false));
- //TODO: Deduplicate PaymentSent events, then enable this if:
- //if messages_delivered < 1 {
+ if messages_delivered < 1 {
let events_4 = nodes[0].node.get_and_clear_pending_events();
assert_eq!(events_4.len(), 1);
match events_4[0] {
},
_ => panic!("Unexpected event"),
}
- //}
+ } else {
+ assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty());
+ }
} else if messages_delivered == 2 {
// nodes[0] still wants its RAA + commitment_signed
reconnect_nodes(&nodes[0], &nodes[1], (false, false), (0, -1), (0, 0), (0, 0), (0, 0), (false, true));
#[test]
fn test_drop_messages_peer_disconnect_a() {
- do_test_drop_messages_peer_disconnect(0);
- do_test_drop_messages_peer_disconnect(1);
- do_test_drop_messages_peer_disconnect(2);
- do_test_drop_messages_peer_disconnect(3);
+ do_test_drop_messages_peer_disconnect(0, true);
+ do_test_drop_messages_peer_disconnect(0, false);
+ do_test_drop_messages_peer_disconnect(1, false);
+ do_test_drop_messages_peer_disconnect(2, false);
}
#[test]
fn test_drop_messages_peer_disconnect_b() {
- do_test_drop_messages_peer_disconnect(4);
- do_test_drop_messages_peer_disconnect(5);
- do_test_drop_messages_peer_disconnect(6);
+ do_test_drop_messages_peer_disconnect(3, false);
+ do_test_drop_messages_peer_disconnect(4, false);
+ do_test_drop_messages_peer_disconnect(5, false);
+ do_test_drop_messages_peer_disconnect(6, false);
}
#[test]
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 persister: test_utils::TestPersister;
+ let new_chain_monitor: test_utils::TestChainMonitor;
+ let nodes_0_deserialized: ChannelManager<EnforcingSigner, &test_utils::TestChainMonitor, &test_utils::TestBroadcaster, &test_utils::TestKeysInterface, &test_utils::TestFeeEstimator, &test_utils::TestLogger>;
+ let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
let tx = create_chan_between_nodes_with_value_init(&nodes[0], &nodes[1], 100000, 10001, InitFeatures::known(), InitFeatures::known());
nodes[0].node.peer_disconnected(&nodes[1].node.get_our_node_id(), false);
let route = get_route(&nodes[0].node.get_our_node_id(), &net_graph_msg_handler.network_graph.read().unwrap(), &nodes[1].node.get_our_node_id(), Some(InvoiceFeatures::known()), None, &Vec::new(), 1000000, TEST_FINAL_CLTV, &logger).unwrap();
let (payment_preimage, _, _) = send_along_route(&nodes[0], route, &[&nodes[1]], 1000000);
claim_payment(&nodes[0], &[&nodes[1]], payment_preimage);
+
+ // Check that after deserialization and reconnection we can still generate an identical
+ // channel_announcement from the cached signatures.
+ nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id(), false);
+
+ let nodes_0_serialized = nodes[0].node.encode();
+ let mut chan_0_monitor_serialized = test_utils::TestVecWriter(Vec::new());
+ nodes[0].chain_monitor.chain_monitor.monitors.read().unwrap().iter().next().unwrap().1.write(&mut chan_0_monitor_serialized).unwrap();
+
+ persister = test_utils::TestPersister::new();
+ let keys_manager = &chanmon_cfgs[0].keys_manager;
+ new_chain_monitor = test_utils::TestChainMonitor::new(Some(nodes[0].chain_source), nodes[0].tx_broadcaster.clone(), nodes[0].logger, node_cfgs[0].fee_estimator, &persister, keys_manager);
+ nodes[0].chain_monitor = &new_chain_monitor;
+ let mut chan_0_monitor_read = &chan_0_monitor_serialized.0[..];
+ let (_, mut chan_0_monitor) = <(BlockHash, ChannelMonitor<EnforcingSigner>)>::read(
+ &mut chan_0_monitor_read, keys_manager).unwrap();
+ assert!(chan_0_monitor_read.is_empty());
+
+ let mut nodes_0_read = &nodes_0_serialized[..];
+ let (_, nodes_0_deserialized_tmp) = {
+ let mut channel_monitors = HashMap::new();
+ channel_monitors.insert(chan_0_monitor.get_funding_txo().0, &mut chan_0_monitor);
+ <(BlockHash, ChannelManager<EnforcingSigner, &test_utils::TestChainMonitor, &test_utils::TestBroadcaster, &test_utils::TestKeysInterface, &test_utils::TestFeeEstimator, &test_utils::TestLogger>)>::read(&mut nodes_0_read, ChannelManagerReadArgs {
+ default_config: UserConfig::default(),
+ keys_manager,
+ fee_estimator: node_cfgs[0].fee_estimator,
+ chain_monitor: nodes[0].chain_monitor,
+ tx_broadcaster: nodes[0].tx_broadcaster.clone(),
+ logger: nodes[0].logger,
+ channel_monitors,
+ }).unwrap()
+ };
+ nodes_0_deserialized = nodes_0_deserialized_tmp;
+ assert!(nodes_0_read.is_empty());
+
+ assert!(nodes[0].chain_monitor.watch_channel(chan_0_monitor.get_funding_txo().0, chan_0_monitor).is_ok());
+ nodes[0].node = &nodes_0_deserialized;
+ check_added_monitors!(nodes[0], 1);
+
+ reconnect_nodes(&nodes[0], &nodes[1], (false, false), (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
+
+ // as_announcement should be re-generated exactly by broadcast_node_announcement.
+ nodes[0].node.broadcast_node_announcement([0, 0, 0], [0; 32], Vec::new());
+ let msgs = nodes[0].node.get_and_clear_pending_msg_events();
+ let mut found_announcement = false;
+ for event in msgs.iter() {
+ match event {
+ MessageSendEvent::BroadcastChannelAnnouncement { ref msg, .. } => {
+ if *msg == as_announcement { found_announcement = true; }
+ },
+ MessageSendEvent::BroadcastNodeAnnouncement { .. } => {},
+ _ => panic!("Unexpected event"),
+ }
+ }
+ assert!(found_announcement);
}
#[test]
let node_chanmgrs = create_node_chanmgrs(3, &node_cfgs, &[None, None, None]);
let mut nodes = create_network(3, &node_cfgs, &node_chanmgrs);
create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known());
- create_announced_chan_between_nodes(&nodes, 1, 2, InitFeatures::known(), InitFeatures::known());
+ let chan_2 = create_announced_chan_between_nodes(&nodes, 1, 2, InitFeatures::known(), InitFeatures::known());
// Make sure all nodes are at the same starting height
connect_blocks(&nodes[0], 2*CHAN_CONFIRM_DEPTH + 1 - nodes[0].best_block_info().1);
_ => unreachable!(),
}
expect_payment_failed!(nodes[0], second_payment_hash, false);
- if let &MessageSendEvent::PaymentFailureNetworkUpdate { ref update } = &nodes[0].node.get_and_clear_pending_msg_events()[0] {
- match update {
- &HTLCFailChannelUpdate::ChannelUpdateMessage { .. } => {},
- _ => panic!("Unexpected event"),
- }
- } else {
- panic!("Unexpected event");
- }
+ expect_payment_failure_chan_update!(nodes[0], chan_2.0.contents.short_channel_id, false);
} else {
expect_payment_failed!(nodes[1], second_payment_hash, true);
}
nodes[0].chain_monitor.chain_monitor.monitors.read().unwrap().iter().next().unwrap().1.write(&mut chan_0_monitor_serialized).unwrap();
logger = test_utils::TestLogger::new();
- fee_estimator = test_utils::TestFeeEstimator { sat_per_kw: 253 };
+ fee_estimator = test_utils::TestFeeEstimator { sat_per_kw: Mutex::new(253) };
persister = test_utils::TestPersister::new();
let keys_manager = &chanmon_cfgs[0].keys_manager;
new_chain_monitor = test_utils::TestChainMonitor::new(Some(nodes[0].chain_source), nodes[0].tx_broadcaster.clone(), &logger, &fee_estimator, &persister, keys_manager);
send_payment(&nodes[0], &[&nodes[1]], 1000000);
}
+#[test]
+fn test_dup_htlc_onchain_fails_on_reload() {
+ // When a Channel is closed, any outbound HTLCs which were relayed through it are simply
+ // dropped when the Channel is. From there, the ChannelManager relies on the ChannelMonitor
+ // having a copy of the relevant fail-/claim-back data and processes the HTLC fail/claim when
+ // the ChannelMonitor tells it to.
+ //
+ // If, due to an on-chain event, an HTLC is failed/claimed, and then we serialize the
+ // ChannelManager, we generally expect there not to be a duplicate HTLC fail/claim (eg via a
+ // PaymentFailed event appearing). However, because we may not serialize the relevant
+ // ChannelMonitor at the same time, this isn't strictly guaranteed. In order to provide this
+ // consistency, the ChannelManager explicitly tracks pending-onchain-resolution outbound HTLCs
+ // and de-duplicates ChannelMonitor events.
+ //
+ // This tests that explicit tracking behavior.
+ 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 persister: test_utils::TestPersister;
+ let new_chain_monitor: test_utils::TestChainMonitor;
+ let nodes_0_deserialized: ChannelManager<EnforcingSigner, &test_utils::TestChainMonitor, &test_utils::TestBroadcaster, &test_utils::TestKeysInterface, &test_utils::TestFeeEstimator, &test_utils::TestLogger>;
+ let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
+
+ create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known());
+
+ // Route a payment, but force-close the channel before the HTLC fulfill message arrives at
+ // nodes[0].
+ let (payment_preimage, _, _) = route_payment(&nodes[0], &[&nodes[1]], 10000000);
+ nodes[0].node.force_close_channel(&nodes[0].node.list_channels()[0].channel_id).unwrap();
+ check_closed_broadcast!(nodes[0], true);
+ check_added_monitors!(nodes[0], 1);
+
+ 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);
+
+ // Connect blocks until the CLTV timeout is up so that we get an HTLC-Timeout transaction
+ connect_blocks(&nodes[0], TEST_FINAL_CLTV + LATENCY_GRACE_PERIOD_BLOCKS + 1);
+ let node_txn = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap().split_off(0);
+ assert_eq!(node_txn.len(), 3);
+ assert_eq!(node_txn[0], node_txn[1]);
+
+ assert!(nodes[1].node.claim_funds(payment_preimage));
+ check_added_monitors!(nodes[1], 1);
+
+ let mut header = BlockHeader { version: 0x20000000, prev_blockhash: nodes[1].best_block_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 };
+ connect_block(&nodes[1], &Block { header, txdata: vec![node_txn[1].clone(), node_txn[2].clone()]});
+ check_closed_broadcast!(nodes[1], true);
+ check_added_monitors!(nodes[1], 1);
+ let claim_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap().split_off(0);
+
+ header.prev_blockhash = nodes[0].best_block_hash();
+ connect_block(&nodes[0], &Block { header, txdata: vec![node_txn[1].clone(), node_txn[2].clone()]});
+
+ // Serialize out the ChannelMonitor before connecting the on-chain claim transactions. This is
+ // fairly normal behavior as ChannelMonitor(s) are often not re-serialized when on-chain events
+ // happen, unlike ChannelManager which tends to be re-serialized after any relevant event(s).
+ let mut chan_0_monitor_serialized = test_utils::TestVecWriter(Vec::new());
+ nodes[0].chain_monitor.chain_monitor.monitors.read().unwrap().iter().next().unwrap().1.write(&mut chan_0_monitor_serialized).unwrap();
+
+ header.prev_blockhash = nodes[0].best_block_hash();
+ let claim_block = Block { header, txdata: claim_txn};
+ connect_block(&nodes[0], &claim_block);
+ expect_payment_sent!(nodes[0], payment_preimage);
+
+ // ChannelManagers generally get re-serialized after any relevant event(s). Since we just
+ // connected a highly-relevant block, it likely gets serialized out now.
+ let mut chan_manager_serialized = test_utils::TestVecWriter(Vec::new());
+ nodes[0].node.write(&mut chan_manager_serialized).unwrap();
+
+ // Now reload nodes[0]...
+ persister = test_utils::TestPersister::new();
+ let keys_manager = &chanmon_cfgs[0].keys_manager;
+ new_chain_monitor = test_utils::TestChainMonitor::new(Some(nodes[0].chain_source), nodes[0].tx_broadcaster.clone(), nodes[0].logger, node_cfgs[0].fee_estimator, &persister, keys_manager);
+ nodes[0].chain_monitor = &new_chain_monitor;
+ let mut chan_0_monitor_read = &chan_0_monitor_serialized.0[..];
+ let (_, mut chan_0_monitor) = <(BlockHash, ChannelMonitor<EnforcingSigner>)>::read(
+ &mut chan_0_monitor_read, keys_manager).unwrap();
+ assert!(chan_0_monitor_read.is_empty());
+
+ let (_, nodes_0_deserialized_tmp) = {
+ let mut channel_monitors = HashMap::new();
+ channel_monitors.insert(chan_0_monitor.get_funding_txo().0, &mut chan_0_monitor);
+ <(BlockHash, ChannelManager<EnforcingSigner, &test_utils::TestChainMonitor, &test_utils::TestBroadcaster, &test_utils::TestKeysInterface, &test_utils::TestFeeEstimator, &test_utils::TestLogger>)>
+ ::read(&mut std::io::Cursor::new(&chan_manager_serialized.0[..]), ChannelManagerReadArgs {
+ default_config: Default::default(),
+ keys_manager,
+ fee_estimator: node_cfgs[0].fee_estimator,
+ chain_monitor: nodes[0].chain_monitor,
+ tx_broadcaster: nodes[0].tx_broadcaster.clone(),
+ logger: nodes[0].logger,
+ channel_monitors,
+ }).unwrap()
+ };
+ nodes_0_deserialized = nodes_0_deserialized_tmp;
+
+ assert!(nodes[0].chain_monitor.watch_channel(chan_0_monitor.get_funding_txo().0, chan_0_monitor).is_ok());
+ check_added_monitors!(nodes[0], 1);
+ nodes[0].node = &nodes_0_deserialized;
+
+ // Note that if we re-connect the block which exposed nodes[0] to the payment preimage (but
+ // which the current ChannelMonitor has not seen), the ChannelManager's de-duplication of
+ // payment events should kick in, leaving us with no pending events here.
+ let height = nodes[0].blocks.lock().unwrap().len() as u32 - 1;
+ nodes[0].chain_monitor.chain_monitor.block_connected(&claim_block, height);
+ assert!(nodes[0].node.get_and_clear_pending_events().is_empty());
+}
+
#[test]
fn test_manager_serialize_deserialize_events() {
// This test makes sure the events field in ChannelManager survives de/serialization
let mut chan_0_monitor_serialized = test_utils::TestVecWriter(Vec::new());
nodes[0].chain_monitor.chain_monitor.monitors.read().unwrap().iter().next().unwrap().1.write(&mut chan_0_monitor_serialized).unwrap();
- fee_estimator = test_utils::TestFeeEstimator { sat_per_kw: 253 };
+ fee_estimator = test_utils::TestFeeEstimator { sat_per_kw: Mutex::new(253) };
logger = test_utils::TestLogger::new();
persister = test_utils::TestPersister::new();
let keys_manager = &chanmon_cfgs[0].keys_manager;
nodes[0].chain_monitor.chain_monitor.monitors.read().unwrap().iter().next().unwrap().1.write(&mut chan_0_monitor_serialized).unwrap();
logger = test_utils::TestLogger::new();
- fee_estimator = test_utils::TestFeeEstimator { sat_per_kw: 253 };
+ fee_estimator = test_utils::TestFeeEstimator { sat_per_kw: Mutex::new(253) };
persister = test_utils::TestPersister::new();
let keys_manager = &chanmon_cfgs[0].keys_manager;
new_chain_monitor = test_utils::TestChainMonitor::new(Some(nodes[0].chain_source), nodes[0].tx_broadcaster.clone(), &logger, &fee_estimator, &persister, keys_manager);
}
logger = test_utils::TestLogger::new();
- fee_estimator = test_utils::TestFeeEstimator { sat_per_kw: 253 };
+ fee_estimator = test_utils::TestFeeEstimator { sat_per_kw: Mutex::new(253) };
persister = test_utils::TestPersister::new();
let keys_manager = &chanmon_cfgs[0].keys_manager;
new_chain_monitor = test_utils::TestChainMonitor::new(Some(nodes[0].chain_source), nodes[0].tx_broadcaster.clone(), &logger, &fee_estimator, &persister, keys_manager);
nodes_0_deserialized = nodes_0_deserialized_tmp;
assert!(nodes_0_read.is_empty());
- { // Channel close should result in a commitment tx and an HTLC tx
+ { // Channel close should result in a commitment tx
let txn = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap();
- assert_eq!(txn.len(), 2);
+ assert_eq!(txn.len(), 1);
+ check_spends!(txn[0], funding_tx);
assert_eq!(txn[0].input[0].previous_output.txid, funding_tx.txid());
- assert_eq!(txn[1].input[0].previous_output.txid, txn[0].txid());
}
for monitor in node_0_monitors.drain(..) {
}
macro_rules! check_spendable_outputs {
- ($node: expr, $der_idx: expr, $keysinterface: expr, $chan_value: expr) => {
+ ($node: expr, $keysinterface: expr) => {
{
let mut events = $node.chain_monitor.chain_monitor.get_and_clear_pending_events();
let mut txn = Vec::new();
assert_eq!(node_txn[0].output.len(), 2); // We can't force trimming of to_remote output as channel_reserve_satoshis block us to do so at channel opening
mine_transaction(&nodes[1], &node_txn[0]);
- connect_blocks(&nodes[1], ANTI_REORG_DELAY - 1);
+ connect_blocks(&nodes[1], BREAKDOWN_TIMEOUT as u32 - 1);
- let spend_txn = check_spendable_outputs!(nodes[1], 1, node_cfgs[1].keys_manager, 100000);
+ let spend_txn = check_spendable_outputs!(nodes[1], node_cfgs[1].keys_manager);
assert_eq!(spend_txn.len(), 1);
+ assert_eq!(spend_txn[0].input.len(), 1);
check_spends!(spend_txn[0], node_txn[0]);
+ assert_eq!(spend_txn[0].input[0].sequence, BREAKDOWN_TIMEOUT as u32);
}
#[test]
check_added_monitors!(nodes[1], 1);
connect_blocks(&nodes[1], ANTI_REORG_DELAY - 1);
- let spend_txn = check_spendable_outputs!(nodes[1], 1, node_cfgs[1].keys_manager, 100000);
+ let spend_txn = check_spendable_outputs!(nodes[1], node_cfgs[1].keys_manager);
assert_eq!(spend_txn.len(), 1);
check_spends!(spend_txn[0], node_txn[0]);
}
mine_transaction(&nodes[1], &node_txn[0]);
connect_blocks(&nodes[1], ANTI_REORG_DELAY - 1);
- let spend_txn = check_spendable_outputs!(nodes[1], 1, node_cfgs[1].keys_manager, 100000);
+ let spend_txn = check_spendable_outputs!(nodes[1], node_cfgs[1].keys_manager);
assert_eq!(spend_txn.len(), 3);
check_spends!(spend_txn[0], revoked_local_txn[0]); // to_remote output on revoked remote commitment_tx
check_spends!(spend_txn[1], node_txn[0]);
mine_transaction(&nodes[1], &node_txn[0]);
connect_blocks(&nodes[1], ANTI_REORG_DELAY - 1);
- let spend_txn = check_spendable_outputs!(nodes[1], 1, node_cfgs[1].keys_manager, 100000);
+ let spend_txn = check_spendable_outputs!(nodes[1], node_cfgs[1].keys_manager);
assert_eq!(spend_txn.len(), 1);
check_spends!(spend_txn[0], node_txn[0]);
}
MessageSendEvent::BroadcastChannelUpdate { .. } => {},
_ => panic!("Unexpected event"),
}
+ connect_blocks(&nodes[1], TEST_FINAL_CLTV - 1); // Confirm blocks until the HTLC expires
// 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 node_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap().split_off(0);
+ assert_eq!(node_txn.len(), 2); // ChannelManager : 1 local commitent tx, ChannelMonitor: timeout tx
+ check_spends!(node_txn[0], chan_1.3.clone());
+ check_spends!(node_txn[1], commitment_tx[0].clone());
+ assert_eq!(node_txn[1].input[0].witness.last().unwrap().len(), ACCEPTED_HTLC_SCRIPT_WEIGHT);
- mine_transaction(&nodes[1], &node_txn[0]);
+ mine_transaction(&nodes[1], &node_txn[1]);
connect_blocks(&nodes[1], ANTI_REORG_DELAY - 1);
expect_payment_failed!(nodes[1], our_payment_hash, true);
- let spend_txn = check_spendable_outputs!(nodes[1], 1, node_cfgs[1].keys_manager, 100000);
+ let spend_txn = check_spendable_outputs!(nodes[1], node_cfgs[1].keys_manager);
assert_eq!(spend_txn.len(), 3); // SpendableOutput: remote_commitment_tx.to_remote, timeout_tx.output
check_spends!(spend_txn[0], commitment_tx[0]);
- check_spends!(spend_txn[1], node_txn[0]);
- check_spends!(spend_txn[2], node_txn[0], commitment_tx[0]); // All outputs
+ check_spends!(spend_txn[1], node_txn[1]);
+ check_spends!(spend_txn[2], node_txn[1], commitment_tx[0]); // All outputs
}
#[test]
mine_transaction(&nodes[1], &node_txn[0]);
connect_blocks(&nodes[1], ANTI_REORG_DELAY - 1);
- let spend_txn = check_spendable_outputs!(nodes[1], 1, node_cfgs[1].keys_manager, 100000);
+ let spend_txn = check_spendable_outputs!(nodes[1], node_cfgs[1].keys_manager);
assert_eq!(spend_txn.len(), 1);
check_spends!(spend_txn[0], node_txn[0]);
}
mine_transaction(&nodes[0], &revoked_local_txn[0]);
check_closed_broadcast!(nodes[0], true);
check_added_monitors!(nodes[0], 1);
+ connect_blocks(&nodes[0], TEST_FINAL_CLTV - 1); // Confirm blocks until the HTLC expires
let revoked_htlc_txn = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap();
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_spends!(revoked_htlc_txn[1], chan_1.3);
+ check_spends!(revoked_htlc_txn[0], chan_1.3);
+ 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]);
+ assert_ne!(revoked_htlc_txn[1].lock_time, 0); // HTLC-Timeout
// B will generate justice tx from A's revoked commitment/HTLC tx
let header = BlockHeader { version: 0x20000000, prev_blockhash: nodes[1].best_block_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 };
- connect_block(&nodes[1], &Block { header, txdata: vec![revoked_local_txn[0].clone(), revoked_htlc_txn[0].clone()] });
+ connect_block(&nodes[1], &Block { header, txdata: vec![revoked_local_txn[0].clone(), revoked_htlc_txn[1].clone()] });
check_closed_broadcast!(nodes[1], true);
check_added_monitors!(nodes[1], 1);
let node_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap();
assert_eq!(node_txn.len(), 3); // ChannelMonitor: bogus justice tx, justice tx on revoked outputs, ChannelManager: local commitment tx
// The first transaction generated is bogus - it spends both outputs of revoked_local_txn[0]
- // including the one already spent by revoked_htlc_txn[0]. That's OK, we'll spend with valid
+ // including the one already spent by revoked_htlc_txn[1]. That's OK, we'll spend with valid
// transactions next...
assert_eq!(node_txn[0].input.len(), 3);
- check_spends!(node_txn[0], revoked_local_txn[0], revoked_htlc_txn[0]);
+ check_spends!(node_txn[0], revoked_local_txn[0], revoked_htlc_txn[1]);
assert_eq!(node_txn[1].input.len(), 2);
- check_spends!(node_txn[1], revoked_local_txn[0], revoked_htlc_txn[0]);
- if node_txn[1].input[1].previous_output.txid == revoked_htlc_txn[0].txid() {
- assert_ne!(node_txn[1].input[0].previous_output, revoked_htlc_txn[0].input[0].previous_output);
+ check_spends!(node_txn[1], revoked_local_txn[0], revoked_htlc_txn[1]);
+ if node_txn[1].input[1].previous_output.txid == revoked_htlc_txn[1].txid() {
+ assert_ne!(node_txn[1].input[0].previous_output, revoked_htlc_txn[1].input[0].previous_output);
} else {
- assert_eq!(node_txn[1].input[0].previous_output.txid, revoked_htlc_txn[0].txid());
- assert_ne!(node_txn[1].input[1].previous_output, revoked_htlc_txn[0].input[0].previous_output);
+ assert_eq!(node_txn[1].input[0].previous_output.txid, revoked_htlc_txn[1].txid());
+ assert_ne!(node_txn[1].input[1].previous_output, revoked_htlc_txn[1].input[0].previous_output);
}
assert_eq!(node_txn[2].input.len(), 1);
connect_blocks(&nodes[1], ANTI_REORG_DELAY - 1);
// Check B's ChannelMonitor was able to generate the right spendable output descriptor
- let spend_txn = check_spendable_outputs!(nodes[1], 1, node_cfgs[1].keys_manager, 100000);
+ let spend_txn = check_spendable_outputs!(nodes[1], node_cfgs[1].keys_manager);
assert_eq!(spend_txn.len(), 1);
assert_eq!(spend_txn[0].input.len(), 1);
check_spends!(spend_txn[0], node_txn[1]);
// didn't try to generate any new transactions.
// Check A's ChannelMonitor was able to generate the right spendable output descriptor
- let spend_txn = check_spendable_outputs!(nodes[0], 1, node_cfgs[0].keys_manager, 100000);
+ let spend_txn = check_spendable_outputs!(nodes[0], node_cfgs[0].keys_manager);
assert_eq!(spend_txn.len(), 3);
assert_eq!(spend_txn[0].input.len(), 1);
check_spends!(spend_txn[0], revoked_local_txn[0]); // spending to_remote output from revoked local tx
let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known());
let chan_2 = create_announced_chan_between_nodes(&nodes, 1, 2, InitFeatures::known(), InitFeatures::known());
+ // Ensure all nodes are at the same height
+ let node_max_height = nodes.iter().map(|node| node.blocks.lock().unwrap().len()).max().unwrap() as u32;
+ connect_blocks(&nodes[0], node_max_height - nodes[0].best_block_info().1);
+ connect_blocks(&nodes[1], node_max_height - nodes[1].best_block_info().1);
+ connect_blocks(&nodes[2], node_max_height - nodes[2].best_block_info().1);
+
// Rebalance the network a bit by relaying one payment through all the channels ...
send_payment(&nodes[0], &vec!(&nodes[1], &nodes[2])[..], 8000000);
send_payment(&nodes[0], &vec!(&nodes[1], &nodes[2])[..], 8000000);
// So we broadcast C's commitment tx and HTLC-Success on B's chain, we should successfully be able to extract preimage and update downstream monitor
let header = BlockHeader { version: 0x20000000, prev_blockhash: nodes[1].best_block_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42};
connect_block(&nodes[1], &Block { header, txdata: vec![c_txn[1].clone(), c_txn[2].clone()]});
+ connect_blocks(&nodes[1], TEST_FINAL_CLTV - 1); // Confirm blocks until the HTLC expires
{
let mut b_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap();
- // ChannelMonitor: claim tx, ChannelManager: local commitment tx + HTLC-timeout tx
- assert_eq!(b_txn.len(), 3);
- check_spends!(b_txn[1], chan_2.3); // B local commitment tx, issued by ChannelManager
- check_spends!(b_txn[2], b_txn[1]); // HTLC-Timeout on B local commitment tx, issued by ChannelManager
- assert_eq!(b_txn[2].input[0].witness.clone().last().unwrap().len(), OFFERED_HTLC_SCRIPT_WEIGHT);
- assert!(b_txn[2].output[0].script_pubkey.is_v0_p2wsh()); // revokeable output
- assert_ne!(b_txn[2].lock_time, 0); // Timeout tx
- check_spends!(b_txn[0], c_txn[1]); // timeout tx on C remote commitment tx, issued by ChannelMonitor
- assert_eq!(b_txn[0].input[0].witness.clone().last().unwrap().len(), ACCEPTED_HTLC_SCRIPT_WEIGHT);
- assert!(b_txn[0].output[0].script_pubkey.is_v0_p2wpkh()); // direct payment
- assert_ne!(b_txn[2].lock_time, 0); // Timeout tx
+ // ChannelMonitor: claim tx, ChannelManager: local commitment tx
+ assert_eq!(b_txn.len(), 2);
+ check_spends!(b_txn[0], chan_2.3); // B local commitment tx, issued by ChannelManager
+ check_spends!(b_txn[1], c_txn[1]); // timeout tx on C remote commitment tx, issued by ChannelMonitor
+ assert_eq!(b_txn[1].input[0].witness.clone().last().unwrap().len(), ACCEPTED_HTLC_SCRIPT_WEIGHT);
+ assert!(b_txn[1].output[0].script_pubkey.is_v0_p2wpkh()); // direct payment
+ assert_ne!(b_txn[1].lock_time, 0); // Timeout tx
b_txn.clear();
}
check_added_monitors!(nodes[1], 1);
let commitment_tx = get_local_commitment_txn!(nodes[0], chan_1.2);
mine_transaction(&nodes[1], &commitment_tx[0]);
let b_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap();
- // ChannelMonitor: HTLC-Success tx, ChannelManager: local commitment tx + HTLC-Success tx
- assert_eq!(b_txn.len(), 3);
- check_spends!(b_txn[1], chan_1.3);
- check_spends!(b_txn[2], b_txn[1]);
- check_spends!(b_txn[0], commitment_tx[0]);
- assert_eq!(b_txn[0].input[0].witness.clone().last().unwrap().len(), OFFERED_HTLC_SCRIPT_WEIGHT);
- assert!(b_txn[0].output[0].script_pubkey.is_v0_p2wpkh()); // direct payment
- assert_eq!(b_txn[0].lock_time, 0); // Success tx
+ // ChannelMonitor: HTLC-Success tx + HTLC-Timeout RBF Bump, ChannelManager: local commitment tx + HTLC-Success tx
+ assert_eq!(b_txn.len(), 4);
+ check_spends!(b_txn[2], chan_1.3);
+ check_spends!(b_txn[3], b_txn[2]);
+ let (htlc_success_claim, htlc_timeout_bumped) =
+ if b_txn[0].input[0].previous_output.txid == commitment_tx[0].txid()
+ { (&b_txn[0], &b_txn[1]) } else { (&b_txn[1], &b_txn[0]) };
+ check_spends!(htlc_success_claim, commitment_tx[0]);
+ assert_eq!(htlc_success_claim.input[0].witness.clone().last().unwrap().len(), OFFERED_HTLC_SCRIPT_WEIGHT);
+ assert!(htlc_success_claim.output[0].script_pubkey.is_v0_p2wpkh()); // direct payment
+ assert_eq!(htlc_success_claim.lock_time, 0); // Success tx
+ check_spends!(htlc_timeout_bumped, c_txn[1]); // timeout tx on C remote commitment tx, issued by ChannelMonitor
+ assert_ne!(htlc_timeout_bumped.lock_time, 0); // Success tx
check_closed_broadcast!(nodes[1], true);
check_added_monitors!(nodes[1], 1);
// we forward one of the payments onwards to D.
let chanmon_cfgs = create_chanmon_cfgs(4);
let node_cfgs = create_node_cfgs(4, &chanmon_cfgs);
- let node_chanmgrs = create_node_chanmgrs(4, &node_cfgs, &[None, None, None, None]);
+ // When this test was written, the default base fee floated based on the HTLC count.
+ // It is now fixed, so we simply set the fee to the expected value here.
+ let mut config = test_default_channel_config();
+ config.channel_options.forwarding_fee_base_msat = 196;
+ let node_chanmgrs = create_node_chanmgrs(4, &node_cfgs,
+ &[Some(config.clone()), Some(config.clone()), Some(config.clone()), Some(config.clone())]);
let mut nodes = create_network(4, &node_cfgs, &node_chanmgrs);
create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known());
let chan_2 = create_announced_chan_between_nodes(&nodes, 1, 2, InitFeatures::known(), InitFeatures::known());
create_announced_chan_between_nodes(&nodes, 2, 3, InitFeatures::known(), InitFeatures::known());
+ let node_max_height = nodes.iter().map(|node| node.blocks.lock().unwrap().len()).max().unwrap() as u32;
+ connect_blocks(&nodes[0], node_max_height - nodes[0].best_block_info().1);
+ connect_blocks(&nodes[1], node_max_height - nodes[1].best_block_info().1);
+ connect_blocks(&nodes[2], node_max_height - nodes[2].best_block_info().1);
+ connect_blocks(&nodes[3], node_max_height - nodes[3].best_block_info().1);
+
let (our_payment_preimage, duplicate_payment_hash, _) = route_payment(&nodes[0], &vec!(&nodes[1], &nodes[2])[..], 900000);
let payment_secret = nodes[3].node.create_inbound_payment_for_hash(duplicate_payment_hash, None, 7200, 0).unwrap();
+ // We reduce the final CLTV here by a somewhat arbitrary constant to keep it under the one-byte
+ // script push size limit so that the below script length checks match
+ // ACCEPTED_HTLC_SCRIPT_WEIGHT.
let route = get_route(&nodes[0].node.get_our_node_id(), &nodes[0].net_graph_msg_handler.network_graph.read().unwrap(),
- &nodes[3].node.get_our_node_id(), Some(InvoiceFeatures::known()), None, &Vec::new(), 900000, TEST_FINAL_CLTV, nodes[0].logger).unwrap();
+ &nodes[3].node.get_our_node_id(), Some(InvoiceFeatures::known()), None, &Vec::new(), 900000, TEST_FINAL_CLTV - 40, nodes[0].logger).unwrap();
send_along_route_with_secret(&nodes[0], route, &[&[&nodes[1], &nodes[2], &nodes[3]]], 900000, duplicate_payment_hash, payment_secret);
let commitment_txn = get_local_commitment_txn!(nodes[2], chan_2.2);
mine_transaction(&nodes[1], &commitment_txn[0]);
check_closed_broadcast!(nodes[1], true);
check_added_monitors!(nodes[1], 1);
+ connect_blocks(&nodes[1], TEST_FINAL_CLTV - 40 + MIN_CLTV_EXPIRY_DELTA as u32 - 1); // Confirm blocks until the HTLC expires
let htlc_timeout_tx;
{ // Extract one of the two HTLC-Timeout transaction
let node_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap();
- // ChannelMonitor: timeout tx * 2, ChannelManager: local commitment tx + HTLC-timeout * 2
- assert_eq!(node_txn.len(), 5);
- check_spends!(node_txn[0], commitment_txn[0]);
- assert_eq!(node_txn[0].input.len(), 1);
+ // ChannelMonitor: timeout tx * 3, ChannelManager: local commitment tx
+ assert_eq!(node_txn.len(), 4);
+ check_spends!(node_txn[0], chan_2.3);
+
check_spends!(node_txn[1], commitment_txn[0]);
assert_eq!(node_txn[1].input.len(), 1);
- assert_ne!(node_txn[0].input[0], node_txn[1].input[0]);
- assert_eq!(node_txn[0].input[0].witness.last().unwrap().len(), ACCEPTED_HTLC_SCRIPT_WEIGHT);
+ check_spends!(node_txn[2], commitment_txn[0]);
+ assert_eq!(node_txn[2].input.len(), 1);
+ assert_eq!(node_txn[1].input[0].previous_output, node_txn[2].input[0].previous_output);
+ check_spends!(node_txn[3], commitment_txn[0]);
+ assert_ne!(node_txn[1].input[0].previous_output, node_txn[3].input[0].previous_output);
+
assert_eq!(node_txn[1].input[0].witness.last().unwrap().len(), ACCEPTED_HTLC_SCRIPT_WEIGHT);
- check_spends!(node_txn[2], chan_2.3);
- check_spends!(node_txn[3], node_txn[2]);
- check_spends!(node_txn[4], node_txn[2]);
+ assert_eq!(node_txn[2].input[0].witness.last().unwrap().len(), ACCEPTED_HTLC_SCRIPT_WEIGHT);
+ assert_eq!(node_txn[3].input[0].witness.last().unwrap().len(), ACCEPTED_HTLC_SCRIPT_WEIGHT);
htlc_timeout_tx = node_txn[1].clone();
}
}
let htlc_success_txn: Vec<_> = nodes[2].tx_broadcaster.txn_broadcasted.lock().unwrap().clone();
assert_eq!(htlc_success_txn.len(), 5); // ChannelMonitor: HTLC-Success txn (*2 due to 2-HTLC outputs), ChannelManager: local commitment tx + HTLC-Success txn (*2 due to 2-HTLC outputs)
- check_spends!(htlc_success_txn[2], chan_2.3);
- check_spends!(htlc_success_txn[3], htlc_success_txn[2]);
- check_spends!(htlc_success_txn[4], htlc_success_txn[2]);
- assert_eq!(htlc_success_txn[0], htlc_success_txn[3]);
+ check_spends!(htlc_success_txn[0], commitment_txn[0]);
+ check_spends!(htlc_success_txn[1], commitment_txn[0]);
assert_eq!(htlc_success_txn[0].input.len(), 1);
assert_eq!(htlc_success_txn[0].input[0].witness.last().unwrap().len(), ACCEPTED_HTLC_SCRIPT_WEIGHT);
- assert_eq!(htlc_success_txn[1], htlc_success_txn[4]);
assert_eq!(htlc_success_txn[1].input.len(), 1);
assert_eq!(htlc_success_txn[1].input[0].witness.last().unwrap().len(), ACCEPTED_HTLC_SCRIPT_WEIGHT);
- assert_ne!(htlc_success_txn[0].input[0], htlc_success_txn[1].input[0]);
- check_spends!(htlc_success_txn[0], commitment_txn[0]);
- check_spends!(htlc_success_txn[1], commitment_txn[0]);
+ assert_ne!(htlc_success_txn[0].input[0].previous_output, htlc_success_txn[1].input[0].previous_output);
+ assert_eq!(htlc_success_txn[2], commitment_txn[0]);
+ assert_eq!(htlc_success_txn[3], htlc_success_txn[0]);
+ assert_eq!(htlc_success_txn[4], htlc_success_txn[1]);
+ assert_ne!(htlc_success_txn[0].input[0].previous_output, htlc_timeout_tx.input[0].previous_output);
mine_transaction(&nodes[1], &htlc_timeout_tx);
connect_blocks(&nodes[1], ANTI_REORG_DELAY - 1);
assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty());
{
commitment_signed_dance!(nodes[0], nodes[1], &htlc_updates.commitment_signed, false, true);
- let events = nodes[0].node.get_and_clear_pending_msg_events();
- assert_eq!(events.len(), 1);
- match events[0] {
- MessageSendEvent::PaymentFailureNetworkUpdate { update: msgs::HTLCFailChannelUpdate::ChannelClosed { .. } } => {
- },
- _ => { panic!("Unexpected event"); }
- }
+ expect_payment_failure_chan_update!(nodes[0], chan_2.0.contents.short_channel_id, true);
}
expect_payment_failed!(nodes[0], duplicate_payment_hash, false);
};
mine_transaction(&nodes[1], &node_tx);
- connect_blocks(&nodes[1], ANTI_REORG_DELAY - 1);
+ connect_blocks(&nodes[1], BREAKDOWN_TIMEOUT as u32 - 1);
// Verify that B is able to spend its own HTLC-Success tx thanks to spendable output event given back by its ChannelMonitor
- let spend_txn = check_spendable_outputs!(nodes[1], 1, node_cfgs[1].keys_manager, 100000);
+ let spend_txn = check_spendable_outputs!(nodes[1], node_cfgs[1].keys_manager);
assert_eq!(spend_txn.len(), 1);
+ assert_eq!(spend_txn[0].input.len(), 1);
check_spends!(spend_txn[0], node_tx);
+ assert_eq!(spend_txn[0].input[0].sequence, BREAKDOWN_TIMEOUT as u32);
}
fn do_test_fail_backwards_unrevoked_remote_announce(deliver_last_raa: bool, announce_latest: bool) {
// And test where C fails back to A/B when D announces its latest commitment transaction
let chanmon_cfgs = create_chanmon_cfgs(6);
let node_cfgs = create_node_cfgs(6, &chanmon_cfgs);
- let node_chanmgrs = create_node_chanmgrs(6, &node_cfgs, &[None, None, None, None, None, None]);
+ // When this test was written, the default base fee floated based on the HTLC count.
+ // It is now fixed, so we simply set the fee to the expected value here.
+ let mut config = test_default_channel_config();
+ config.channel_options.forwarding_fee_base_msat = 196;
+ let node_chanmgrs = create_node_chanmgrs(6, &node_cfgs,
+ &[Some(config.clone()), Some(config.clone()), Some(config.clone()), Some(config.clone()), Some(config.clone()), Some(config.clone())]);
let nodes = create_network(6, &node_cfgs, &node_chanmgrs);
let logger = test_utils::TestLogger::new();
mine_transaction(&nodes[0], &local_txn[0]);
check_closed_broadcast!(nodes[0], true);
check_added_monitors!(nodes[0], 1);
+ connect_blocks(&nodes[0], TEST_FINAL_CLTV - 1); // Confirm blocks until the HTLC expires
let htlc_timeout = {
let node_txn = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap();
- assert_eq!(node_txn[0].input.len(), 1);
- assert_eq!(node_txn[0].input[0].witness.last().unwrap().len(), OFFERED_HTLC_SCRIPT_WEIGHT);
- check_spends!(node_txn[0], local_txn[0]);
- node_txn[0].clone()
+ assert_eq!(node_txn.len(), 2);
+ check_spends!(node_txn[0], chan_1.3);
+ assert_eq!(node_txn[1].input.len(), 1);
+ assert_eq!(node_txn[1].input[0].witness.last().unwrap().len(), OFFERED_HTLC_SCRIPT_WEIGHT);
+ check_spends!(node_txn[1], local_txn[0]);
+ node_txn[1].clone()
};
mine_transaction(&nodes[0], &htlc_timeout);
- connect_blocks(&nodes[0], ANTI_REORG_DELAY - 1);
+ connect_blocks(&nodes[0], BREAKDOWN_TIMEOUT as u32 - 1);
expect_payment_failed!(nodes[0], our_payment_hash, true);
// Verify that A is able to spend its own HTLC-Timeout tx thanks to spendable output event given back by its ChannelMonitor
- let spend_txn = check_spendable_outputs!(nodes[0], 1, node_cfgs[0].keys_manager, 100000);
+ let spend_txn = check_spendable_outputs!(nodes[0], node_cfgs[0].keys_manager);
assert_eq!(spend_txn.len(), 3);
check_spends!(spend_txn[0], local_txn[0]);
+ assert_eq!(spend_txn[1].input.len(), 1);
check_spends!(spend_txn[1], htlc_timeout);
+ assert_eq!(spend_txn[1].input[0].sequence, BREAKDOWN_TIMEOUT as u32);
+ assert_eq!(spend_txn[2].input.len(), 2);
check_spends!(spend_txn[2], local_txn[0], htlc_timeout);
+ assert!(spend_txn[2].input[0].sequence == BREAKDOWN_TIMEOUT as u32 ||
+ spend_txn[2].input[1].sequence == BREAKDOWN_TIMEOUT as u32);
}
#[test]
let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known());
assert_ne!(chan_0.3.output[0].script_pubkey, chan_1.3.output[0].script_pubkey);
+ // Ensure all nodes are at the same height
+ let node_max_height = nodes.iter().map(|node| node.blocks.lock().unwrap().len()).max().unwrap() as u32;
+ connect_blocks(&nodes[0], node_max_height - nodes[0].best_block_info().1);
+ connect_blocks(&nodes[1], node_max_height - nodes[1].best_block_info().1);
+ connect_blocks(&nodes[2], node_max_height - nodes[2].best_block_info().1);
+
let (_, our_payment_hash, _) = route_payment(&nodes[0], &vec!(&nodes[1])[..], 9000000);
let local_txn_0 = get_local_commitment_txn!(nodes[0], chan_0.2);
let local_txn_1 = get_local_commitment_txn!(nodes[0], chan_1.2);
// Timeout HTLC on A's chain and so it can generate a HTLC-Timeout tx
mine_transaction(&nodes[0], &local_txn_1[0]);
+ connect_blocks(&nodes[0], TEST_FINAL_CLTV - 1); // Confirm blocks until the HTLC expires
check_closed_broadcast!(nodes[0], true);
check_added_monitors!(nodes[0], 1);
let htlc_timeout = {
let node_txn = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap();
- assert_eq!(node_txn[0].input.len(), 1);
- assert_eq!(node_txn[0].input[0].witness.last().unwrap().len(), OFFERED_HTLC_SCRIPT_WEIGHT);
- check_spends!(node_txn[0], local_txn_1[0]);
- node_txn[0].clone()
+ assert_eq!(node_txn[1].input.len(), 1);
+ assert_eq!(node_txn[1].input[0].witness.last().unwrap().len(), OFFERED_HTLC_SCRIPT_WEIGHT);
+ check_spends!(node_txn[1], local_txn_1[0]);
+ node_txn[1].clone()
};
mine_transaction(&nodes[0], &htlc_timeout);
- connect_blocks(&nodes[0], ANTI_REORG_DELAY - 1);
+ connect_blocks(&nodes[0], BREAKDOWN_TIMEOUT as u32 - 1);
expect_payment_failed!(nodes[0], our_payment_hash, true);
// Verify that A is able to spend its own HTLC-Timeout tx thanks to spendable output event given back by its ChannelMonitor
let new_keys_manager = test_utils::TestKeysInterface::new(&seed, Network::Testnet);
- let spend_txn = check_spendable_outputs!(nodes[0], 1, new_keys_manager, 100000);
+ let spend_txn = check_spendable_outputs!(nodes[0], new_keys_manager);
assert_eq!(spend_txn.len(), 3);
check_spends!(spend_txn[0], local_txn_1[0]);
+ assert_eq!(spend_txn[1].input.len(), 1);
check_spends!(spend_txn[1], htlc_timeout);
+ assert_eq!(spend_txn[1].input[0].sequence, BREAKDOWN_TIMEOUT as u32);
+ assert_eq!(spend_txn[2].input.len(), 2);
check_spends!(spend_txn[2], local_txn_1[0], htlc_timeout);
+ assert!(spend_txn[2].input[0].sequence == BREAKDOWN_TIMEOUT as u32 ||
+ spend_txn[2].input[1].sequence == BREAKDOWN_TIMEOUT as u32);
}
#[test]
mine_transaction(&nodes[0], &closing_tx);
connect_blocks(&nodes[0], ANTI_REORG_DELAY - 1);
- let spend_txn = check_spendable_outputs!(nodes[0], 2, node_cfgs[0].keys_manager, 100000);
+ let spend_txn = check_spendable_outputs!(nodes[0], node_cfgs[0].keys_manager);
assert_eq!(spend_txn.len(), 1);
check_spends!(spend_txn[0], closing_tx);
mine_transaction(&nodes[1], &closing_tx);
connect_blocks(&nodes[1], ANTI_REORG_DELAY - 1);
- let spend_txn = check_spendable_outputs!(nodes[1], 2, node_cfgs[1].keys_manager, 100000);
+ let spend_txn = check_spendable_outputs!(nodes[1], node_cfgs[1].keys_manager);
assert_eq!(spend_txn.len(), 1);
check_spends!(spend_txn[0], closing_tx);
}
// us to surface its failure to the user.
chan_stat = get_channel_value_stat!(nodes[0], chan.2);
assert_eq!(chan_stat.holding_cell_outbound_amount_msat, 0);
- nodes[0].logger.assert_log("lightning::ln::channel".to_string(), "Freeing holding cell with 1 HTLC updates".to_string(), 1);
- let failure_log = format!("Failed to send HTLC with payment_hash {} due to Cannot send value that would put our balance under counterparty-announced channel reserve value ({})", log_bytes!(our_payment_hash.0), chan_stat.channel_reserve_msat);
+ nodes[0].logger.assert_log("lightning::ln::channel".to_string(), format!("Freeing holding cell with 1 HTLC updates in channel {}", hex::encode(chan.2)), 1);
+ let failure_log = format!("Failed to send HTLC with payment_hash {} due to Cannot send value that would put our balance under counterparty-announced channel reserve value ({}) in channel {}",
+ hex::encode(our_payment_hash.0), chan_stat.channel_reserve_msat, hex::encode(chan.2));
nodes[0].logger.assert_log("lightning::ln::channel".to_string(), failure_log.to_string(), 1);
// Check that the payment failed to be sent out.
// to surface its failure to the user. The first payment should succeed.
chan_stat = get_channel_value_stat!(nodes[0], chan.2);
assert_eq!(chan_stat.holding_cell_outbound_amount_msat, 0);
- nodes[0].logger.assert_log("lightning::ln::channel".to_string(), "Freeing holding cell with 2 HTLC updates".to_string(), 1);
- let failure_log = format!("Failed to send HTLC with payment_hash {} due to Cannot send value that would put our balance under counterparty-announced channel reserve value ({})", log_bytes!(payment_hash_2.0), chan_stat.channel_reserve_msat);
+ nodes[0].logger.assert_log("lightning::ln::channel".to_string(), format!("Freeing holding cell with 2 HTLC updates in channel {}", hex::encode(chan.2)), 1);
+ let failure_log = format!("Failed to send HTLC with payment_hash {} due to Cannot send value that would put our balance under counterparty-announced channel reserve value ({}) in channel {}",
+ hex::encode(payment_hash_2.0), chan_stat.channel_reserve_msat, hex::encode(chan.2));
nodes[0].logger.assert_log("lightning::ln::channel".to_string(), failure_log.to_string(), 1);
// Check that the second payment failed to be sent out.
fn test_fail_holding_cell_htlc_upon_free_multihop() {
let chanmon_cfgs = create_chanmon_cfgs(3);
let node_cfgs = create_node_cfgs(3, &chanmon_cfgs);
- let node_chanmgrs = create_node_chanmgrs(3, &node_cfgs, &[None, None, None]);
+ // When this test was written, the default base fee floated based on the HTLC count.
+ // It is now fixed, so we simply set the fee to the expected value here.
+ let mut config = test_default_channel_config();
+ config.channel_options.forwarding_fee_base_msat = 196;
+ let node_chanmgrs = create_node_chanmgrs(3, &node_cfgs, &[Some(config.clone()), Some(config.clone()), Some(config.clone())]);
let mut nodes = create_network(3, &node_cfgs, &node_chanmgrs);
let chan_0_1 = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 100000, 95000000, InitFeatures::known(), InitFeatures::known());
let chan_1_2 = create_announced_chan_between_nodes_with_value(&nodes, 1, 2, 100000, 95000000, InitFeatures::known(), InitFeatures::known());
_ => panic!("Unexpected event"),
};
nodes[0].node.handle_revoke_and_ack(&nodes[1].node.get_our_node_id(), &raa);
- let fail_msg_event = nodes[0].node.get_and_clear_pending_msg_events();
- assert_eq!(fail_msg_event.len(), 1);
- match &fail_msg_event[0] {
- &MessageSendEvent::PaymentFailureNetworkUpdate { .. } => {},
- _ => panic!("Unexpected event"),
- }
- let failure_event = nodes[0].node.get_and_clear_pending_events();
- assert_eq!(failure_event.len(), 1);
- match &failure_event[0] {
- &Event::PaymentFailed { rejected_by_dest, .. } => {
- assert!(!rejected_by_dest);
- },
- _ => panic!("Unexpected event"),
- }
+ expect_payment_failure_chan_update!(nodes[0], chan_1_2.0.contents.short_channel_id, false);
+ expect_payment_failed!(nodes[0], our_payment_hash, false);
check_added_monitors!(nodes[0], 1);
}
if local {
// We fail dust-HTLC 1 by broadcast of local commitment tx
mine_transaction(&nodes[0], &as_commitment_tx[0]);
+ connect_blocks(&nodes[0], ANTI_REORG_DELAY - 1);
+ expect_payment_failed!(nodes[0], dust_hash, true);
+
+ connect_blocks(&nodes[0], TEST_FINAL_CLTV + LATENCY_GRACE_PERIOD_BLOCKS - ANTI_REORG_DELAY);
check_closed_broadcast!(nodes[0], true);
check_added_monitors!(nodes[0], 1);
assert_eq!(nodes[0].node.get_and_clear_pending_events().len(), 0);
- timeout_tx.push(nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap()[0].clone());
- connect_blocks(&nodes[0], ANTI_REORG_DELAY - 1);
- expect_payment_failed!(nodes[0], dust_hash, true);
+ timeout_tx.push(nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap()[1].clone());
assert_eq!(timeout_tx[0].input[0].witness.last().unwrap().len(), OFFERED_HTLC_SCRIPT_WEIGHT);
// We fail non-dust-HTLC 2 by broadcast of local HTLC-timeout tx on local commitment tx
assert_eq!(nodes[0].node.get_and_clear_pending_events().len(), 0);
check_closed_broadcast!(nodes[0], true);
check_added_monitors!(nodes[0], 1);
assert_eq!(nodes[0].node.get_and_clear_pending_events().len(), 0);
- timeout_tx.push(nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap()[0].clone());
- connect_blocks(&nodes[0], ANTI_REORG_DELAY - 1);
+ connect_blocks(&nodes[0], TEST_FINAL_CLTV - 1); // Confirm blocks until the HTLC expires
+ timeout_tx.push(nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap()[1].clone());
if !revoked {
expect_payment_failed!(nodes[0], dust_hash, true);
assert_eq!(timeout_tx[0].input[0].witness.last().unwrap().len(), ACCEPTED_HTLC_SCRIPT_WEIGHT);
let nodes = create_network(2, &node_cfgs, &node_chanmgrs);
// We test config.our_to_self > BREAKDOWN_TIMEOUT is enforced in Channel::new_outbound()
- if let Err(error) = Channel::new_outbound(&&test_utils::TestFeeEstimator { sat_per_kw: 253 }, &nodes[0].keys_manager, nodes[1].node.get_our_node_id(), 1000000, 1000000, 0, &low_our_to_self_config) {
+ if let Err(error) = Channel::new_outbound(&&test_utils::TestFeeEstimator { sat_per_kw: Mutex::new(253) }, &nodes[0].keys_manager, nodes[1].node.get_our_node_id(), 1000000, 1000000, 0, &low_our_to_self_config) {
match error {
APIError::APIMisuseError { err } => { assert!(regex::Regex::new(r"Configured with an unreasonable our_to_self_delay \(\d+\) putting user funds at risks").unwrap().is_match(err.as_str())); },
_ => panic!("Unexpected event"),
nodes[1].node.create_channel(nodes[0].node.get_our_node_id(), 1000000, 1000000, 42, None).unwrap();
let mut open_channel = get_event_msg!(nodes[1], MessageSendEvent::SendOpenChannel, nodes[0].node.get_our_node_id());
open_channel.to_self_delay = 200;
- if let Err(error) = Channel::new_from_req(&&test_utils::TestFeeEstimator { sat_per_kw: 253 }, &nodes[0].keys_manager, nodes[1].node.get_our_node_id(), InitFeatures::known(), &open_channel, 0, &low_our_to_self_config) {
+ if let Err(error) = Channel::new_from_req(&&test_utils::TestFeeEstimator { sat_per_kw: Mutex::new(253) }, &nodes[0].keys_manager, nodes[1].node.get_our_node_id(), InitFeatures::known(), &open_channel, 0, &low_our_to_self_config) {
match error {
ChannelError::Close(err) => { assert!(regex::Regex::new(r"Configured with an unreasonable our_to_self_delay \(\d+\) putting user funds at risks").unwrap().is_match(err.as_str())); },
_ => panic!("Unexpected event"),
nodes[1].node.create_channel(nodes[0].node.get_our_node_id(), 1000000, 1000000, 42, None).unwrap();
let mut open_channel = get_event_msg!(nodes[1], MessageSendEvent::SendOpenChannel, nodes[0].node.get_our_node_id());
open_channel.to_self_delay = 200;
- if let Err(error) = Channel::new_from_req(&&test_utils::TestFeeEstimator { sat_per_kw: 253 }, &nodes[0].keys_manager, nodes[1].node.get_our_node_id(), InitFeatures::known(), &open_channel, 0, &high_their_to_self_config) {
+ if let Err(error) = Channel::new_from_req(&&test_utils::TestFeeEstimator { sat_per_kw: Mutex::new(253) }, &nodes[0].keys_manager, nodes[1].node.get_our_node_id(), InitFeatures::known(), &open_channel, 0, &high_their_to_self_config) {
match error {
ChannelError::Close(err) => { assert!(regex::Regex::new(r"They wanted our payments to be delayed by a needlessly long period\. Upper limit: \d+\. Actual: \d+").unwrap().is_match(err.as_str())); },
_ => panic!("Unexpected event"),
logger = test_utils::TestLogger::with_id(format!("node {}", 0));
let mut chain_monitor = <(BlockHash, ChannelMonitor<EnforcingSigner>)>::read(&mut ::std::io::Cursor::new(previous_chain_monitor_state.0), keys_manager).unwrap().1;
chain_source = test_utils::TestChainSource::new(Network::Testnet);
- tx_broadcaster = test_utils::TestBroadcaster{txn_broadcasted: Mutex::new(Vec::new())};
- fee_estimator = test_utils::TestFeeEstimator { sat_per_kw: 253 };
+ tx_broadcaster = test_utils::TestBroadcaster{txn_broadcasted: Mutex::new(Vec::new()), blocks: Arc::new(Mutex::new(Vec::new()))};
+ fee_estimator = test_utils::TestFeeEstimator { sat_per_kw: Mutex::new(253) };
persister = test_utils::TestPersister::new();
monitor = test_utils::TestChainMonitor::new(Some(&chain_source), &tx_broadcaster, &logger, &fee_estimator, &persister, keys_manager);
node_state_0 = {
assert_eq!(node_txn[0].output.len(), 2);
mine_transaction(&nodes[0], &node_txn[0]);
connect_blocks(&nodes[0], ANTI_REORG_DELAY - 1);
- let spend_txn = check_spendable_outputs!(nodes[0], 1, node_cfgs[0].keys_manager, 1000000);
+ let spend_txn = check_spendable_outputs!(nodes[0], node_cfgs[0].keys_manager);
assert_eq!(spend_txn.len(), 1);
check_spends!(spend_txn[0], node_txn[0]);
}
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.len(), 2); // justice tx (broadcasted from ChannelMonitor) + local commitment tx
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]);
connect_block(&nodes[1], &Block { header, txdata: vec![revoked_local_txn[0].clone()] });
check_closed_broadcast!(nodes[1], true);
check_added_monitors!(nodes[1], 1);
+ connect_blocks(&nodes[1], 49); // Confirm blocks until the HTLC expires (note CLTV was explicitly 50 above)
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);
- assert_eq!(revoked_htlc_txn[1].output.len(), 1);
- 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);
- assert_eq!(revoked_htlc_txn[0].output.len(), 1);
- check_spends!(revoked_htlc_txn[0], revoked_local_txn[0]);
- }
+ assert_eq!(revoked_htlc_txn.len(), 3);
+ check_spends!(revoked_htlc_txn[1], chan.3);
+
+ assert_eq!(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[2].input.len(), 1);
+ assert_eq!(revoked_htlc_txn[2].input[0].witness.last().unwrap().len(), OFFERED_HTLC_SCRIPT_WEIGHT);
+ assert_eq!(revoked_htlc_txn[2].output.len(), 1);
+ check_spends!(revoked_htlc_txn[2], revoked_local_txn[0]);
// Broadcast set of revoked txn on A
let hash_128 = connect_blocks(&nodes[0], 40);
let header_11 = BlockHeader { version: 0x20000000, prev_blockhash: hash_128, merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 };
connect_block(&nodes[0], &Block { header: header_11, txdata: vec![revoked_local_txn[0].clone()] });
let header_129 = BlockHeader { version: 0x20000000, prev_blockhash: header_11.block_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 };
- connect_block(&nodes[0], &Block { header: header_129, txdata: vec![revoked_htlc_txn[0].clone(), revoked_htlc_txn[1].clone()] });
+ connect_block(&nodes[0], &Block { header: header_129, txdata: vec![revoked_htlc_txn[0].clone(), revoked_htlc_txn[2].clone()] });
expect_pending_htlcs_forwardable_ignore!(nodes[0]);
let first;
let feerate_1;
assert_ne!(node_txn[1].input[0].previous_output, node_txn[2].input[0].previous_output);
assert_eq!(node_txn[0].input[0].previous_output, revoked_htlc_txn[0].input[0].previous_output);
- assert_eq!(node_txn[1].input[0].previous_output, revoked_htlc_txn[1].input[0].previous_output);
+ assert_eq!(node_txn[1].input[0].previous_output, revoked_htlc_txn[2].input[0].previous_output);
// node_txn[3] is the local commitment tx broadcast just because (and somewhat in case of
// reorgs, though its not clear its ever worth broadcasting conflicting txn like this when
// output, checked above).
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]);
+ check_spends!(node_txn[4], revoked_htlc_txn[0], revoked_htlc_txn[2]);
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;
+ let fee_1 = revoked_htlc_txn[0].output[0].value + revoked_htlc_txn[2].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[2].clone()];
node_txn.clear();
check_spends!(node_txn[1], revoked_local_txn[0]);
// Note that these are both bogus - they spend outputs already claimed in block 129:
if node_txn[0].input[0].previous_output == revoked_htlc_txn[0].input[0].previous_output {
- assert_eq!(node_txn[1].input[0].previous_output, revoked_htlc_txn[1].input[0].previous_output);
+ assert_eq!(node_txn[1].input[0].previous_output, revoked_htlc_txn[2].input[0].previous_output);
} else {
- assert_eq!(node_txn[0].input[0].previous_output, revoked_htlc_txn[1].input[0].previous_output);
+ assert_eq!(node_txn[0].input[0].previous_output, revoked_htlc_txn[2].input[0].previous_output);
assert_eq!(node_txn[1].input[0].previous_output, revoked_htlc_txn[0].input[0].previous_output);
}
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]);
+ check_spends!(node_txn[0], revoked_htlc_txn[0], revoked_htlc_txn[2]);
// 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 fee_2 = revoked_htlc_txn[0].output[0].value + revoked_htlc_txn[2].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()];
nodes[1].node.claim_funds(payment_preimage);
mine_transaction(&nodes[1], &remote_txn[0]);
check_added_monitors!(nodes[1], 2);
+ connect_blocks(&nodes[1], TEST_FINAL_CLTV - 1); // Confirm blocks until the HTLC expires
// One or more claim tx should have been broadcast, check it
let timeout;
let preimage;
+ let preimage_bump;
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)
+ // 9 transactions including:
+ // 1*2 ChannelManager local broadcasts of commitment + HTLC-Success
+ // 1*3 ChannelManager local broadcasts of commitment + HTLC-Success + HTLC-Timeout
+ // 2 * HTLC-Success (one RBF bump we'll check later)
+ // 1 * HTLC-Timeout
+ assert_eq!(node_txn.len(), 8);
assert_eq!(node_txn[0].input.len(), 1);
- assert_eq!(node_txn[1].input.len(), 1);
+ assert_eq!(node_txn[6].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;
- }
+ check_spends!(node_txn[6], remote_txn[0]);
+ assert_eq!(node_txn[0].input[0].previous_output, node_txn[3].input[0].previous_output);
+ preimage_bump = node_txn[3].clone();
+
+ check_spends!(node_txn[1], chan.3);
+ check_spends!(node_txn[2], node_txn[1]);
+ assert_eq!(node_txn[1], node_txn[4]);
+ assert_eq!(node_txn[2], node_txn[5]);
+
+ timeout = node_txn[6].txid();
+ let index = node_txn[6].input[0].previous_output.vout;
+ let fee = remote_txn[0].output[index as usize].value - node_txn[6].output[0].value;
+ feerate_timeout = fee * 1000 / node_txn[6].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);
connect_blocks(&nodes[1], 15);
{
let mut node_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap();
- assert_eq!(node_txn.len(), 2);
+ assert_eq!(node_txn.len(), 1);
assert_eq!(node_txn[0].input.len(), 1);
- assert_eq!(node_txn[1].input.len(), 1);
+ assert_eq!(preimage_bump.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());
- }
+ check_spends!(preimage_bump, remote_txn[0]);
+
+ let index = preimage_bump.input[0].previous_output.vout;
+ let fee = remote_txn[0].output[index as usize].value - preimage_bump.output[0].value;
+ let new_feerate = fee * 1000 / preimage_bump.get_weight() as u64;
+ assert!(new_feerate * 100 > feerate_timeout * 125);
+ assert_ne!(timeout, preimage_bump.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();
}
if let Err(APIError::APIMisuseError { err }) = nodes[1].node.create_inbound_payment_for_hash(payment_hash, Some(100_000), 2, 0) {
assert_eq!(err, "Duplicate payment hash");
} else { panic!(); }
- let mut block = Block {
- header: BlockHeader {
- version: 0x2000000,
- prev_blockhash: nodes[1].blocks.borrow().last().unwrap().0.block_hash(),
- merkle_root: Default::default(),
- time: nodes[1].blocks.borrow().len() as u32 + 7200, bits: 42, nonce: 42 },
- txdata: vec![],
+ let mut block = {
+ let node_1_blocks = nodes[1].blocks.lock().unwrap();
+ Block {
+ header: BlockHeader {
+ version: 0x2000000,
+ prev_blockhash: node_1_blocks.last().unwrap().0.block_hash(),
+ merkle_root: Default::default(),
+ time: node_1_blocks.len() as u32 + 7200, bits: 42, nonce: 42 },
+ txdata: vec![],
+ }
};
connect_block(&nodes[1], &block);
if let Err(APIError::APIMisuseError { err }) = nodes[1].node.create_inbound_payment_for_hash(payment_hash, Some(100_000), 2, 0) {
watchtower
};
let header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 };
+ // Make the tx_broadcaster aware of enough blocks that it doesn't think we're violating
+ // transaction lock time requirements here.
+ chanmon_cfgs[0].tx_broadcaster.blocks.lock().unwrap().resize(200, (header, 0));
watchtower.chain_monitor.block_connected(&Block { header, txdata: vec![] }, 200);
// Try to update ChannelMonitor
watchtower
};
let header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 };
+ // Make the tx_broadcaster aware of enough blocks that it doesn't think we're violating
+ // transaction lock time requirements here.
+ chanmon_cfgs[0].tx_broadcaster.blocks.lock().unwrap().resize((CHAN_CONFIRM_DEPTH + 1 + TEST_FINAL_CLTV + LATENCY_GRACE_PERIOD_BLOCKS) as usize, (header, 0));
watchtower_alice.chain_monitor.block_connected(&Block { header, txdata: vec![] }, CHAN_CONFIRM_DEPTH + 1 + TEST_FINAL_CLTV + LATENCY_GRACE_PERIOD_BLOCKS);
// Watchtower Alice should have broadcast a commitment/HTLC-timeout
chain::Listen::block_connected(&nodes[0].chain_monitor.chain_monitor, &Block { header, txdata: vec![local_txn[0].clone()] }, nodes[0].best_block_info().1 + 1);
check_closed_broadcast!(nodes[0], true);
check_added_monitors!(nodes[0], 1);
+ connect_blocks(&nodes[0], TEST_FINAL_CLTV - 1);
let htlc_timeout = {
let node_txn = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap();
- assert_eq!(node_txn[0].input.len(), 1);
- assert_eq!(node_txn[0].input[0].witness.last().unwrap().len(), OFFERED_HTLC_SCRIPT_WEIGHT);
- check_spends!(node_txn[0], local_txn[0]);
- node_txn[0].clone()
+ assert_eq!(node_txn[1].input.len(), 1);
+ assert_eq!(node_txn[1].input[0].witness.last().unwrap().len(), OFFERED_HTLC_SCRIPT_WEIGHT);
+ check_spends!(node_txn[1], local_txn[0]);
+ node_txn[1].clone()
};
- let header_201 = BlockHeader { version: 0x20000000, prev_blockhash: header.block_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 };
+ let header_201 = BlockHeader { version: 0x20000000, prev_blockhash: nodes[0].best_block_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 };
connect_block(&nodes[0], &Block { header: header_201, txdata: vec![htlc_timeout.clone()] });
connect_blocks(&nodes[0], ANTI_REORG_DELAY - 1);
expect_payment_failed!(nodes[0], our_payment_hash, true);
} else { panic!(); }
assert_eq!(nodes[1].node.list_channels().len(), 0);
}
+
+fn do_test_tx_confirmed_skipping_blocks_immediate_broadcast(test_height_before_timelock: bool) {
+ // In the first version of the chain::Confirm interface, after a refactor was made to not
+ // broadcast CSV-locked transactions until their CSV lock is up, we wouldn't reliably broadcast
+ // transactions after a `transactions_confirmed` call. Specifically, if the chain, provided via
+ // `best_block_updated` is at height N, and a transaction output which we wish to spend at
+ // height N-1 (due to a CSV to height N-1) is provided at height N, we will not broadcast the
+ // spending transaction until height N+1 (or greater). This was due to the way
+ // `ChannelMonitor::transactions_confirmed` worked, only checking if we should broadcast a
+ // spending transaction at the height the input transaction was confirmed at, not whether we
+ // should broadcast a spending transaction at the current height.
+ // A second, similar, issue involved failing HTLCs backwards - because we only provided the
+ // height at which transactions were confirmed to `OnchainTx::update_claims_view`, it wasn't
+ // aware that the anti-reorg-delay had, in fact, already expired, waiting to fail-backwards
+ // until we learned about an additional block.
+ //
+ // As an additional check, if `test_height_before_timelock` is set, we instead test that we
+ // aren't broadcasting transactions too early (ie not broadcasting them at all).
+ let chanmon_cfgs = create_chanmon_cfgs(3);
+ let node_cfgs = create_node_cfgs(3, &chanmon_cfgs);
+ let node_chanmgrs = create_node_chanmgrs(3, &node_cfgs, &[None, None, None]);
+ let mut nodes = create_network(3, &node_cfgs, &node_chanmgrs);
+ *nodes[0].connect_style.borrow_mut() = ConnectStyle::BestBlockFirstSkippingBlocks;
+
+ create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known());
+ let (chan_announce, _, channel_id, _) = create_announced_chan_between_nodes(&nodes, 1, 2, InitFeatures::known(), InitFeatures::known());
+ let (_, payment_hash, _) = route_payment(&nodes[0], &[&nodes[1], &nodes[2]], 1_000_000);
+ nodes[1].node.peer_disconnected(&nodes[2].node.get_our_node_id(), false);
+ nodes[2].node.peer_disconnected(&nodes[1].node.get_our_node_id(), false);
+
+ nodes[1].node.force_close_channel(&channel_id).unwrap();
+ check_closed_broadcast!(nodes[1], true);
+ check_added_monitors!(nodes[1], 1);
+ let node_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap().split_off(0);
+ assert_eq!(node_txn.len(), 1);
+
+ let conf_height = nodes[1].best_block_info().1;
+ if !test_height_before_timelock {
+ connect_blocks(&nodes[1], 24 * 6);
+ }
+ nodes[1].chain_monitor.chain_monitor.transactions_confirmed(
+ &nodes[1].get_block_header(conf_height), &[(0, &node_txn[0])], conf_height);
+ if test_height_before_timelock {
+ // If we confirmed the close transaction, but timelocks have not yet expired, we should not
+ // generate any events or broadcast any transactions
+ assert!(nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap().is_empty());
+ assert!(nodes[1].chain_monitor.chain_monitor.get_and_clear_pending_events().is_empty());
+ } else {
+ // We should broadcast an HTLC transaction spending our funding transaction first
+ let spending_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap().split_off(0);
+ assert_eq!(spending_txn.len(), 2);
+ assert_eq!(spending_txn[0], node_txn[0]);
+ check_spends!(spending_txn[1], node_txn[0]);
+ // We should also generate a SpendableOutputs event with the to_self output (as its
+ // timelock is up).
+ let descriptor_spend_txn = check_spendable_outputs!(nodes[1], node_cfgs[1].keys_manager);
+ assert_eq!(descriptor_spend_txn.len(), 1);
+
+ // If we also discover that the HTLC-Timeout transaction was confirmed some time ago, we
+ // should immediately fail-backwards the HTLC to the previous hop, without waiting for an
+ // additional block built on top of the current chain.
+ nodes[1].chain_monitor.chain_monitor.transactions_confirmed(
+ &nodes[1].get_block_header(conf_height + 1), &[(0, &spending_txn[1])], conf_height + 1);
+ expect_pending_htlcs_forwardable!(nodes[1]);
+ check_added_monitors!(nodes[1], 1);
+
+ let updates = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
+ assert!(updates.update_add_htlcs.is_empty());
+ assert!(updates.update_fulfill_htlcs.is_empty());
+ assert_eq!(updates.update_fail_htlcs.len(), 1);
+ assert!(updates.update_fail_malformed_htlcs.is_empty());
+ assert!(updates.update_fee.is_none());
+ nodes[0].node.handle_update_fail_htlc(&nodes[1].node.get_our_node_id(), &updates.update_fail_htlcs[0]);
+ commitment_signed_dance!(nodes[0], nodes[1], updates.commitment_signed, true, true);
+ expect_payment_failed!(nodes[0], payment_hash, false);
+ expect_payment_failure_chan_update!(nodes[0], chan_announce.contents.short_channel_id, true);
+ }
+}
+#[test]
+fn test_tx_confirmed_skipping_blocks_immediate_broadcast() {
+ do_test_tx_confirmed_skipping_blocks_immediate_broadcast(false);
+ do_test_tx_confirmed_skipping_blocks_immediate_broadcast(true);
+}
projects / rust-lightning / blobdiff