use ln::channelmanager::{ChannelManager, ChannelManagerReadArgs, PaymentId, RAACommitmentOrder, PaymentSendFailure, BREAKDOWN_TIMEOUT, MIN_CLTV_EXPIRY_DELTA, PAYMENT_EXPIRY_BLOCKS };
use ln::channel::{Channel, ChannelError};
use ln::{chan_utils, onion_utils};
-use ln::chan_utils::{htlc_success_tx_weight, htlc_timeout_tx_weight, HTLCOutputInCommitment};
-use routing::gossip::NetworkGraph;
+use ln::chan_utils::{OFFERED_HTLC_SCRIPT_WEIGHT, htlc_success_tx_weight, htlc_timeout_tx_weight, HTLCOutputInCommitment};
+use routing::gossip::{NetworkGraph, NetworkUpdate};
use routing::router::{PaymentParameters, Route, RouteHop, RouteParameters, find_route, get_route};
use ln::features::{ChannelFeatures, InitFeatures, InvoiceFeatures, NodeFeatures};
use ln::msgs;
connect_blocks(&nodes[0], TEST_FINAL_CLTV - 1); // Confirm blocks until the HTLC expires
let claim_txn = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap().clone();
- assert_eq!(claim_txn.len(), 8);
+ assert_eq!(claim_txn.len(), 5);
check_spends!(claim_txn[0], remote_txn[0]); // Immediate HTLC claim with preimage
-
check_spends!(claim_txn[1], chan_1.3); // Alternative commitment tx
check_spends!(claim_txn[2], claim_txn[1]); // HTLC spend in alternative commitment tx
- let bump_tx = if claim_txn[1] == claim_txn[4] {
- assert_eq!(claim_txn[1], claim_txn[4]);
- assert_eq!(claim_txn[2], claim_txn[5]);
-
- check_spends!(claim_txn[7], claim_txn[1]); // HTLC timeout on alternative commitment tx
-
- check_spends!(claim_txn[3], remote_txn[0]); // HTLC timeout on broadcasted commitment tx
- &claim_txn[3]
+ check_spends!(claim_txn[3], remote_txn[0]);
+ check_spends!(claim_txn[4], remote_txn[0]);
+ let preimage_tx = &claim_txn[0];
+ let (preimage_bump_tx, timeout_tx) = if claim_txn[3].input[0].previous_output == preimage_tx.input[0].previous_output {
+ (&claim_txn[3], &claim_txn[4])
} else {
- assert_eq!(claim_txn[1], claim_txn[3]);
- assert_eq!(claim_txn[2], claim_txn[4]);
-
- check_spends!(claim_txn[5], claim_txn[1]); // HTLC timeout on alternative commitment tx
-
- check_spends!(claim_txn[7], remote_txn[0]); // HTLC timeout on broadcasted commitment tx
-
- &claim_txn[7]
+ (&claim_txn[4], &claim_txn[3])
};
- assert_eq!(claim_txn[0].input.len(), 1);
- assert_eq!(bump_tx.input.len(), 1);
- assert_eq!(claim_txn[0].input[0].previous_output, bump_tx.input[0].previous_output);
+ assert_eq!(preimage_tx.input.len(), 1);
+ assert_eq!(preimage_bump_tx.input.len(), 1);
- 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
- assert_eq!(remote_txn[0].output[claim_txn[0].input[0].previous_output.vout as usize].value, 800);
+ assert_eq!(preimage_tx.input.len(), 1);
+ assert_eq!(preimage_tx.input[0].witness.last().unwrap().len(), OFFERED_HTLC_SCRIPT_WEIGHT); // HTLC 1 <--> 0, preimage tx
+ assert_eq!(remote_txn[0].output[preimage_tx.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);
+ assert_eq!(timeout_tx.input.len(), 1);
+ assert_eq!(timeout_tx.input[0].witness.last().unwrap().len(), ACCEPTED_HTLC_SCRIPT_WEIGHT); // HTLC 0 <--> 1, timeout tx
+ check_spends!(timeout_tx, remote_txn[0]);
+ assert_eq!(remote_txn[0].output[timeout_tx.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);
check_added_monitors!(nodes[1], 1);
}
+#[test]
+fn test_channel_failed_after_message_with_badonion_node_perm_bits_set() {
+ 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);
+ 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());
+
+ let (route, our_payment_hash, _, our_payment_secret) = get_route_and_payment_hash!(nodes[0], nodes[2], 100_000);
+
+ // First hop
+ let mut payment_event = {
+ nodes[0].node.send_payment(&route, our_payment_hash, &Some(our_payment_secret)).unwrap();
+ check_added_monitors!(nodes[0], 1);
+ SendEvent::from_node(&nodes[0])
+ };
+
+ nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &payment_event.msgs[0]);
+ commitment_signed_dance!(nodes[1], nodes[0], payment_event.commitment_msg, false);
+ expect_pending_htlcs_forwardable!(nodes[1]);
+ check_added_monitors!(nodes[1], 1);
+ payment_event = SendEvent::from_node(&nodes[1]);
+ assert_eq!(payment_event.msgs.len(), 1);
+
+ // Second Hop
+ payment_event.msgs[0].onion_routing_packet.version = 1; // Trigger an invalid_onion_version error
+ nodes[2].node.handle_update_add_htlc(&nodes[1].node.get_our_node_id(), &payment_event.msgs[0]);
+ check_added_monitors!(nodes[2], 0);
+ commitment_signed_dance!(nodes[2], nodes[1], payment_event.commitment_msg, false, true);
+
+ let events_3 = nodes[2].node.get_and_clear_pending_msg_events();
+ assert_eq!(events_3.len(), 1);
+ match events_3[0] {
+ MessageSendEvent::UpdateHTLCs { ref updates, .. } => {
+ let mut update_msg = updates.update_fail_malformed_htlcs[0].clone();
+ // Set the NODE bit (BADONION and PERM already set in invalid_onion_version error)
+ update_msg.failure_code |= 0x2000;
+
+ nodes[1].node.handle_update_fail_malformed_htlc(&nodes[2].node.get_our_node_id(), &update_msg);
+ commitment_signed_dance!(nodes[1], nodes[2], updates.commitment_signed, false, true);
+ },
+ _ => panic!("Unexpected event"),
+ }
+
+ expect_pending_htlcs_forwardable_and_htlc_handling_failed!(nodes[1],
+ vec![HTLCDestination::NextHopChannel {
+ node_id: Some(nodes[2].node.get_our_node_id()), channel_id: chan_2.2 }]);
+ let events_4 = nodes[1].node.get_and_clear_pending_msg_events();
+ assert_eq!(events_4.len(), 1);
+ check_added_monitors!(nodes[1], 1);
+
+ match events_4[0] {
+ MessageSendEvent::UpdateHTLCs { ref updates, .. } => {
+ 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, false, true);
+ },
+ _ => panic!("Unexpected event"),
+ }
+
+ let events_5 = nodes[0].node.get_and_clear_pending_events();
+ assert_eq!(events_5.len(), 1);
+
+ // Expect a PaymentPathFailed event with a ChannelFailure network update for the channel between
+ // the node originating the error to its next hop.
+ match events_5[0] {
+ Event::PaymentPathFailed { network_update:
+ Some(NetworkUpdate::ChannelFailure { short_channel_id, is_permanent }), error_code, ..
+ } => {
+ assert_eq!(short_channel_id, chan_2.0.contents.short_channel_id);
+ assert!(is_permanent);
+ assert_eq!(error_code, Some(0x8000|0x4000|0x2000|4));
+ },
+ _ => panic!("Unexpected event"),
+ }
+
+ // TODO: Test actual removal of channel from NetworkGraph when it's implemented.
+}
+
fn do_test_failure_delay_dust_htlc_local_commitment(announce_latest: bool) {
// Dust-HTLC failure updates must be delayed until failure-trigger tx (in this case local commitment) reach ANTI_REORG_DELAY
// We can have at most two valid local commitment tx, so both cases must be covered, and both txs must be checked to get them all as
let feerate_preimage;
{
let mut node_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap();
- // 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);
+ // 5 transactions including:
+ // local commitment + HTLC-Success
+ // preimage and timeout sweeps from remote commitment + preimage sweep bump
+ assert_eq!(node_txn.len(), 5);
assert_eq!(node_txn[0].input.len(), 1);
- assert_eq!(node_txn[6].input.len(), 1);
+ assert_eq!(node_txn[3].input.len(), 1);
+ assert_eq!(node_txn[4].input.len(), 1);
check_spends!(node_txn[0], remote_txn[0]);
- check_spends!(node_txn[6], remote_txn[0]);
-
- check_spends!(node_txn[1], chan.3);
- check_spends!(node_txn[2], node_txn[1]);
+ check_spends!(node_txn[3], remote_txn[0]);
+ check_spends!(node_txn[4], remote_txn[0]);
- if node_txn[0].input[0].previous_output == node_txn[3].input[0].previous_output {
- preimage_bump = node_txn[3].clone();
- check_spends!(node_txn[3], remote_txn[0]);
-
- assert_eq!(node_txn[1], node_txn[4]);
- assert_eq!(node_txn[2], node_txn[5]);
- } else {
- preimage_bump = node_txn[7].clone();
- check_spends!(node_txn[7], remote_txn[0]);
- assert_eq!(node_txn[0].input[0].previous_output, node_txn[7].input[0].previous_output);
-
- assert_eq!(node_txn[1], node_txn[3]);
- assert_eq!(node_txn[2], node_txn[4]);
- }
-
- 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].weight() as u64;
+ check_spends!(node_txn[1], chan.3); // local commitment
+ check_spends!(node_txn[2], node_txn[1]); // local HTLC-Success
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].weight() as u64;
+ let (preimage_bump_tx, timeout_tx) = if node_txn[3].input[0].previous_output == node_txn[0].input[0].previous_output {
+ (node_txn[3].clone(), node_txn[4].clone())
+ } else {
+ (node_txn[4].clone(), node_txn[3].clone())
+ };
+
+ preimage_bump = preimage_bump_tx;
+ check_spends!(preimage_bump, remote_txn[0]);
+ assert_eq!(node_txn[0].input[0].previous_output, preimage_bump.input[0].previous_output);
+
+ timeout = timeout_tx.txid();
+ let index = timeout_tx.input[0].previous_output.vout;
+ let fee = remote_txn[0].output[index as usize].value - timeout_tx.output[0].value;
+ feerate_timeout = fee * 1000 / timeout_tx.weight() as u64;
+
node_txn.clear();
};
assert_ne!(feerate_timeout, 0);
watchtower_alice.chain_monitor.block_connected(&Block { header, txdata: vec![bob_state_y.clone()] }, CHAN_CONFIRM_DEPTH + 2 + TEST_FINAL_CLTV + LATENCY_GRACE_PERIOD_BLOCKS);
{
let htlc_txn = chanmon_cfgs[0].tx_broadcaster.txn_broadcasted.lock().unwrap();
- // We broadcast twice the transaction, once due to the HTLC-timeout, once due
- // the onchain detection of the HTLC output
- assert_eq!(htlc_txn.len(), 2);
+ assert_eq!(htlc_txn.len(), 1);
check_spends!(htlc_txn[0], bob_state_y);
- check_spends!(htlc_txn[1], bob_state_y);
}
}
// a panic as we'd try to extract a 32 byte preimage from a witness element without checking
// its length.
let mut wit_program: Vec<u8> = channelmonitor::deliberately_bogus_accepted_htlc_witness_program();
- assert!(chan_utils::HTLCType::scriptlen_to_htlctype(wit_program.len()).unwrap() ==
- chan_utils::HTLCType::AcceptedHTLC);
-
- let wit_program_script: Script = wit_program.clone().into();
+ let wit_program_script: Script = wit_program.into();
for output in tx.output.iter_mut() {
// Make the confirmed funding transaction have a bogus script_pubkey
output.script_pubkey = Script::new_v0_p2wsh(&wit_program_script.wscript_hash());
projects / rust-lightning / blobdiff