From: Yuntai Kyong Date: Mon, 17 Dec 2018 23:55:48 +0000 (-0500) Subject: Add tests for process_onion_failure return value sanity X-Git-Tag: v0.0.12~254^2~1 X-Git-Url: http://git.bitcoin.ninja/?a=commitdiff_plain;h=3f4ab940d4b1da5d4ca07584c430206110511702;p=rust-lightning Add tests for process_onion_failure return value sanity --- diff --git a/src/ln/channelmanager.rs b/src/ln/channelmanager.rs index 5216882d4..8b45fde93 100644 --- a/src/ln/channelmanager.rs +++ b/src/ln/channelmanager.rs @@ -3368,7 +3368,7 @@ mod tests { use ln::channel::{ACCEPTED_HTLC_SCRIPT_WEIGHT, OFFERED_HTLC_SCRIPT_WEIGHT}; use ln::router::{Route, RouteHop, Router}; use ln::msgs; - use ln::msgs::{ChannelMessageHandler,RoutingMessageHandler}; + use ln::msgs::{ChannelMessageHandler,RoutingMessageHandler,HTLCFailChannelUpdate}; use util::test_utils; use util::events::{Event, EventsProvider, MessageSendEvent, MessageSendEventsProvider}; use util::errors::APIError; @@ -9464,4 +9464,415 @@ mod tests { assert_eq!(spend_txn.len(), 1); check_spends!(spend_txn[0], closing_tx); } + + fn run_onion_failure_test(_name: &str, test_case: u8, nodes: &Vec, route: &Route, payment_hash: &PaymentHash, callback_msg: F1, callback_node: F2, expected_retryable: bool, expected_error_code: Option, expected_channel_update: Option) + where F1: for <'a> FnMut(&'a mut msgs::UpdateAddHTLC), + F2: FnMut(), + { + run_onion_failure_test_with_fail_intercept(_name, test_case, nodes, route, payment_hash, callback_msg, |_|{}, callback_node, expected_retryable, expected_error_code, expected_channel_update); + } + + // test_case + // 0: node1 fail backward + // 1: final node fail backward + // 2: payment completed but the user reject the payment + // 3: final node fail backward (but tamper onion payloads from node0) + // 100: trigger error in the intermediate node and tamper returnning fail_htlc + // 200: trigger error in the final node and tamper returnning fail_htlc + fn run_onion_failure_test_with_fail_intercept(_name: &str, test_case: u8, nodes: &Vec, route: &Route, payment_hash: &PaymentHash, mut callback_msg: F1, mut callback_fail: F2, mut callback_node: F3, expected_retryable: bool, expected_error_code: Option, expected_channel_update: Option) + where F1: for <'a> FnMut(&'a mut msgs::UpdateAddHTLC), + F2: for <'a> FnMut(&'a mut msgs::UpdateFailHTLC), + F3: FnMut(), + { + use ln::msgs::HTLCFailChannelUpdate; + + // reset block height + let header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; + for ix in 0..nodes.len() { + nodes[ix].chain_monitor.block_connected_checked(&header, 1, &Vec::new()[..], &[0; 0]); + } + + macro_rules! expect_event { + ($node: expr, $event_type: path) => {{ + let events = $node.node.get_and_clear_pending_events(); + assert_eq!(events.len(), 1); + match events[0] { + $event_type { .. } => {}, + _ => panic!("Unexpected event"), + } + }} + } + + macro_rules! expect_htlc_forward { + ($node: expr) => {{ + expect_event!($node, Event::PendingHTLCsForwardable); + $node.node.channel_state.lock().unwrap().next_forward = Instant::now(); + $node.node.process_pending_htlc_forwards(); + }} + } + + // 0 ~~> 2 send payment + nodes[0].node.send_payment(route.clone(), payment_hash.clone()).unwrap(); + check_added_monitors!(nodes[0], 1); + let update_0 = get_htlc_update_msgs!(nodes[0], nodes[1].node.get_our_node_id()); + // temper update_add (0 => 1) + let mut update_add_0 = update_0.update_add_htlcs[0].clone(); + if test_case == 0 || test_case == 3 || test_case == 100 { + callback_msg(&mut update_add_0); + callback_node(); + } + // 0 => 1 update_add & CS + nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &update_add_0).unwrap(); + commitment_signed_dance!(nodes[1], nodes[0], &update_0.commitment_signed, false, true); + + let update_1_0 = match test_case { + 0|100 => { // intermediate node failure; fail backward to 0 + let update_1_0 = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id()); + assert!(update_1_0.update_fail_htlcs.len()+update_1_0.update_fail_malformed_htlcs.len()==1 && (update_1_0.update_fail_htlcs.len()==1 || update_1_0.update_fail_malformed_htlcs.len()==1)); + update_1_0 + }, + 1|2|3|200 => { // final node failure; forwarding to 2 + assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty()); + // forwarding on 1 + if test_case != 200 { + callback_node(); + } + expect_htlc_forward!(&nodes[1]); + + let update_1 = get_htlc_update_msgs!(nodes[1], nodes[2].node.get_our_node_id()); + check_added_monitors!(&nodes[1], 1); + assert_eq!(update_1.update_add_htlcs.len(), 1); + // tamper update_add (1 => 2) + let mut update_add_1 = update_1.update_add_htlcs[0].clone(); + if test_case != 3 && test_case != 200 { + callback_msg(&mut update_add_1); + } + + // 1 => 2 + nodes[2].node.handle_update_add_htlc(&nodes[1].node.get_our_node_id(), &update_add_1).unwrap(); + commitment_signed_dance!(nodes[2], nodes[1], update_1.commitment_signed, false, true); + + if test_case == 2 || test_case == 200 { + expect_htlc_forward!(&nodes[2]); + expect_event!(&nodes[2], Event::PaymentReceived); + callback_node(); + } + + let update_2_1 = get_htlc_update_msgs!(nodes[2], nodes[1].node.get_our_node_id()); + if test_case == 2 || test_case == 200 { + check_added_monitors!(&nodes[2], 1); + } + assert!(update_2_1.update_fail_htlcs.len() == 1); + + let mut fail_msg = update_2_1.update_fail_htlcs[0].clone(); + if test_case == 200 { + callback_fail(&mut fail_msg); + } + + // 2 => 1 + nodes[1].node.handle_update_fail_htlc(&nodes[2].node.get_our_node_id(), &fail_msg).unwrap(); + commitment_signed_dance!(nodes[1], nodes[2], update_2_1.commitment_signed, true, true); + + // backward fail on 1 + let update_1_0 = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id()); + assert!(update_1_0.update_fail_htlcs.len() == 1); + update_1_0 + }, + _ => unreachable!(), + }; + + // 1 => 0 commitment_signed_dance + if update_1_0.update_fail_htlcs.len() > 0 { + let mut fail_msg = update_1_0.update_fail_htlcs[0].clone(); + if test_case == 100 { + callback_fail(&mut fail_msg); + } + nodes[0].node.handle_update_fail_htlc(&nodes[1].node.get_our_node_id(), &fail_msg).unwrap(); + } else { + nodes[0].node.handle_update_fail_malformed_htlc(&nodes[1].node.get_our_node_id(), &update_1_0.update_fail_malformed_htlcs[0]).unwrap(); + }; + + commitment_signed_dance!(nodes[0], nodes[1], update_1_0.commitment_signed, false, true); + + let events = nodes[0].node.get_and_clear_pending_events(); + assert_eq!(events.len(), 1); + if let &Event::PaymentFailed { payment_hash:_, ref rejected_by_dest, ref error_code } = &events[0] { + assert_eq!(*rejected_by_dest, !expected_retryable); + assert_eq!(*error_code, expected_error_code); + } else { + panic!("Uexpected event"); + } + + let events = nodes[0].node.get_and_clear_pending_msg_events(); + if expected_channel_update.is_some() { + assert_eq!(events.len(), 1); + match events[0] { + MessageSendEvent::PaymentFailureNetworkUpdate { ref update } => { + match update { + &HTLCFailChannelUpdate::ChannelUpdateMessage { .. } => { + if let HTLCFailChannelUpdate::ChannelUpdateMessage { .. } = expected_channel_update.unwrap() {} else { + panic!("channel_update not found!"); + } + }, + &HTLCFailChannelUpdate::ChannelClosed { ref short_channel_id, ref is_permanent } => { + if let HTLCFailChannelUpdate::ChannelClosed { short_channel_id: ref expected_short_channel_id, is_permanent: ref expected_is_permanent } = expected_channel_update.unwrap() { + assert!(*short_channel_id == *expected_short_channel_id); + assert!(*is_permanent == *expected_is_permanent); + } else { + panic!("Unexpected message event"); + } + }, + &HTLCFailChannelUpdate::NodeFailure { ref node_id, ref is_permanent } => { + if let HTLCFailChannelUpdate::NodeFailure { node_id: ref expected_node_id, is_permanent: ref expected_is_permanent } = expected_channel_update.unwrap() { + assert!(*node_id == *expected_node_id); + assert!(*is_permanent == *expected_is_permanent); + } else { + panic!("Unexpected message event"); + } + }, + } + }, + _ => panic!("Unexpected message event"), + } + } else { + assert_eq!(events.len(), 0); + } + } + + impl msgs::ChannelUpdate { + fn dummy() -> msgs::ChannelUpdate { + use secp256k1::ffi::Signature as FFISignature; + use secp256k1::Signature; + msgs::ChannelUpdate { + signature: Signature::from(FFISignature::new()), + contents: msgs::UnsignedChannelUpdate { + chain_hash: Sha256dHash::from_data(&vec![0u8][..]), + short_channel_id: 0, + timestamp: 0, + flags: 0, + cltv_expiry_delta: 0, + htlc_minimum_msat: 0, + fee_base_msat: 0, + fee_proportional_millionths: 0, + excess_data: vec![], + } + } + } + } + + #[test] + fn test_onion_failure() { + use ln::msgs::ChannelUpdate; + use ln::channelmanager::CLTV_FAR_FAR_AWAY; + use secp256k1; + + const BADONION: u16 = 0x8000; + const PERM: u16 = 0x4000; + const NODE: u16 = 0x2000; + const UPDATE: u16 = 0x1000; + + let mut nodes = create_network(3); + for node in nodes.iter() { + *node.keys_manager.override_session_priv.lock().unwrap() = Some(SecretKey::from_slice(&Secp256k1::without_caps(), &[3; 32]).unwrap()); + } + let channels = [create_announced_chan_between_nodes(&nodes, 0, 1), create_announced_chan_between_nodes(&nodes, 1, 2)]; + let (_, payment_hash) = get_payment_preimage_hash!(nodes[0]); + let route = nodes[0].router.get_route(&nodes[2].node.get_our_node_id(), None, &Vec::new(), 40000, TEST_FINAL_CLTV).unwrap(); + // positve case + send_payment(&nodes[0], &vec!(&nodes[1], &nodes[2])[..], 40000); + + // intermediate node failure + run_onion_failure_test("invalid_realm", 0, &nodes, &route, &payment_hash, |msg| { + let session_priv = SecretKey::from_slice(&::secp256k1::Secp256k1::without_caps(), &[3; 32]).unwrap(); + let cur_height = nodes[0].node.latest_block_height.load(Ordering::Acquire) as u32 + 1; + let onion_keys = ChannelManager::construct_onion_keys(&Secp256k1::new(), &route, &session_priv).unwrap(); + let (mut onion_payloads, _htlc_msat, _htlc_cltv) = ChannelManager::build_onion_payloads(&route, cur_height).unwrap(); + onion_payloads[0].realm = 3; + msg.onion_routing_packet = ChannelManager::construct_onion_packet(onion_payloads, onion_keys, &payment_hash); + }, ||{}, true, Some(PERM|1), Some(msgs::HTLCFailChannelUpdate::ChannelClosed{short_channel_id: channels[1].0.contents.short_channel_id, is_permanent: true}));//XXX incremented channels idx here + + // final node failure + run_onion_failure_test("invalid_realm", 3, &nodes, &route, &payment_hash, |msg| { + let session_priv = SecretKey::from_slice(&::secp256k1::Secp256k1::without_caps(), &[3; 32]).unwrap(); + let cur_height = nodes[0].node.latest_block_height.load(Ordering::Acquire) as u32 + 1; + let onion_keys = ChannelManager::construct_onion_keys(&Secp256k1::new(), &route, &session_priv).unwrap(); + let (mut onion_payloads, _htlc_msat, _htlc_cltv) = ChannelManager::build_onion_payloads(&route, cur_height).unwrap(); + onion_payloads[1].realm = 3; + msg.onion_routing_packet = ChannelManager::construct_onion_packet(onion_payloads, onion_keys, &payment_hash); + }, ||{}, false, Some(PERM|1), Some(msgs::HTLCFailChannelUpdate::ChannelClosed{short_channel_id: channels[1].0.contents.short_channel_id, is_permanent: true})); + + // the following three with run_onion_failure_test_with_fail_intercept() test only the origin node + // receiving simulated fail messages + // intermediate node failure + run_onion_failure_test_with_fail_intercept("temporary_node_failure", 100, &nodes, &route, &payment_hash, |msg| { + // trigger error + msg.amount_msat -= 1; + }, |msg| { + // and tamper returing error message + let session_priv = SecretKey::from_slice(&::secp256k1::Secp256k1::without_caps(), &[3; 32]).unwrap(); + let onion_keys = ChannelManager::construct_onion_keys(&Secp256k1::new(), &route, &session_priv).unwrap(); + msg.reason = ChannelManager::build_first_hop_failure_packet(&onion_keys[0].shared_secret[..], NODE|2, &[0;0]); + }, ||{}, true, Some(NODE|2), Some(msgs::HTLCFailChannelUpdate::NodeFailure{node_id: route.hops[0].pubkey, is_permanent: false})); + + // final node failure + run_onion_failure_test_with_fail_intercept("temporary_node_failure", 200, &nodes, &route, &payment_hash, |_msg| {}, |msg| { + // and tamper returing error message + let session_priv = SecretKey::from_slice(&::secp256k1::Secp256k1::without_caps(), &[3; 32]).unwrap(); + let onion_keys = ChannelManager::construct_onion_keys(&Secp256k1::new(), &route, &session_priv).unwrap(); + msg.reason = ChannelManager::build_first_hop_failure_packet(&onion_keys[1].shared_secret[..], NODE|2, &[0;0]); + }, ||{ + nodes[2].node.fail_htlc_backwards(&payment_hash, PaymentFailReason::PreimageUnknown); + }, true, Some(NODE|2), Some(msgs::HTLCFailChannelUpdate::NodeFailure{node_id: route.hops[1].pubkey, is_permanent: false})); + + // intermediate node failure + run_onion_failure_test_with_fail_intercept("permanent_node_failure", 100, &nodes, &route, &payment_hash, |msg| { + msg.amount_msat -= 1; + }, |msg| { + let session_priv = SecretKey::from_slice(&::secp256k1::Secp256k1::without_caps(), &[3; 32]).unwrap(); + let onion_keys = ChannelManager::construct_onion_keys(&Secp256k1::new(), &route, &session_priv).unwrap(); + msg.reason = ChannelManager::build_first_hop_failure_packet(&onion_keys[0].shared_secret[..], PERM|NODE|2, &[0;0]); + }, ||{}, true, Some(PERM|NODE|2), Some(msgs::HTLCFailChannelUpdate::NodeFailure{node_id: route.hops[0].pubkey, is_permanent: true})); + + // final node failure + run_onion_failure_test_with_fail_intercept("permanent_node_failure", 200, &nodes, &route, &payment_hash, |_msg| {}, |msg| { + let session_priv = SecretKey::from_slice(&::secp256k1::Secp256k1::without_caps(), &[3; 32]).unwrap(); + let onion_keys = ChannelManager::construct_onion_keys(&Secp256k1::new(), &route, &session_priv).unwrap(); + msg.reason = ChannelManager::build_first_hop_failure_packet(&onion_keys[1].shared_secret[..], PERM|NODE|2, &[0;0]); + }, ||{ + nodes[2].node.fail_htlc_backwards(&payment_hash, PaymentFailReason::PreimageUnknown); + }, false, Some(PERM|NODE|2), Some(msgs::HTLCFailChannelUpdate::NodeFailure{node_id: route.hops[1].pubkey, is_permanent: true})); + + // intermediate node failure + run_onion_failure_test_with_fail_intercept("required_node_feature_missing", 100, &nodes, &route, &payment_hash, |msg| { + msg.amount_msat -= 1; + }, |msg| { + let session_priv = SecretKey::from_slice(&::secp256k1::Secp256k1::without_caps(), &[3; 32]).unwrap(); + let onion_keys = ChannelManager::construct_onion_keys(&Secp256k1::new(), &route, &session_priv).unwrap(); + msg.reason = ChannelManager::build_first_hop_failure_packet(&onion_keys[0].shared_secret[..], PERM|NODE|3, &[0;0]); + }, ||{ + nodes[2].node.fail_htlc_backwards(&payment_hash, PaymentFailReason::PreimageUnknown); + }, true, Some(PERM|NODE|3), Some(msgs::HTLCFailChannelUpdate::NodeFailure{node_id: route.hops[0].pubkey, is_permanent: true})); + + // final node failure + run_onion_failure_test_with_fail_intercept("required_node_feature_missing", 200, &nodes, &route, &payment_hash, |_msg| {}, |msg| { + let session_priv = SecretKey::from_slice(&::secp256k1::Secp256k1::without_caps(), &[3; 32]).unwrap(); + let onion_keys = ChannelManager::construct_onion_keys(&Secp256k1::new(), &route, &session_priv).unwrap(); + msg.reason = ChannelManager::build_first_hop_failure_packet(&onion_keys[1].shared_secret[..], PERM|NODE|3, &[0;0]); + }, ||{ + nodes[2].node.fail_htlc_backwards(&payment_hash, PaymentFailReason::PreimageUnknown); + }, false, Some(PERM|NODE|3), Some(msgs::HTLCFailChannelUpdate::NodeFailure{node_id: route.hops[1].pubkey, is_permanent: true})); + + run_onion_failure_test("invalid_onion_version", 0, &nodes, &route, &payment_hash, |msg| { msg.onion_routing_packet.version = 1; }, ||{}, true, + Some(BADONION|PERM|4), None); + + run_onion_failure_test("invalid_onion_hmac", 0, &nodes, &route, &payment_hash, |msg| { msg.onion_routing_packet.hmac = [3; 32]; }, ||{}, true, + Some(BADONION|PERM|5), None); + + run_onion_failure_test("invalid_onion_key", 0, &nodes, &route, &payment_hash, |msg| { msg.onion_routing_packet.public_key = Err(secp256k1::Error::InvalidPublicKey);}, ||{}, true, + Some(BADONION|PERM|6), None); + + run_onion_failure_test_with_fail_intercept("temporary_channel_failure", 100, &nodes, &route, &payment_hash, |msg| { + msg.amount_msat -= 1; + }, |msg| { + let session_priv = SecretKey::from_slice(&::secp256k1::Secp256k1::without_caps(), &[3; 32]).unwrap(); + let onion_keys = ChannelManager::construct_onion_keys(&Secp256k1::new(), &route, &session_priv).unwrap(); + msg.reason = ChannelManager::build_first_hop_failure_packet(&onion_keys[0].shared_secret[..], UPDATE|7, &ChannelUpdate::dummy().encode_with_len()[..]); + }, ||{}, true, Some(UPDATE|7), Some(msgs::HTLCFailChannelUpdate::ChannelUpdateMessage{msg: ChannelUpdate::dummy()})); + + run_onion_failure_test_with_fail_intercept("permanent_channel_failure", 100, &nodes, &route, &payment_hash, |msg| { + msg.amount_msat -= 1; + }, |msg| { + let session_priv = SecretKey::from_slice(&::secp256k1::Secp256k1::without_caps(), &[3; 32]).unwrap(); + let onion_keys = ChannelManager::construct_onion_keys(&Secp256k1::new(), &route, &session_priv).unwrap(); + msg.reason = ChannelManager::build_first_hop_failure_packet(&onion_keys[0].shared_secret[..], PERM|8, &[0;0]); + // short_channel_id from the processing node + }, ||{}, true, Some(PERM|8), Some(msgs::HTLCFailChannelUpdate::ChannelClosed{short_channel_id: channels[1].0.contents.short_channel_id, is_permanent: true})); + + run_onion_failure_test_with_fail_intercept("required_channel_feature_missing", 100, &nodes, &route, &payment_hash, |msg| { + msg.amount_msat -= 1; + }, |msg| { + let session_priv = SecretKey::from_slice(&::secp256k1::Secp256k1::without_caps(), &[3; 32]).unwrap(); + let onion_keys = ChannelManager::construct_onion_keys(&Secp256k1::new(), &route, &session_priv).unwrap(); + msg.reason = ChannelManager::build_first_hop_failure_packet(&onion_keys[0].shared_secret[..], PERM|9, &[0;0]); + // short_channel_id from the processing node + }, ||{}, true, Some(PERM|9), Some(msgs::HTLCFailChannelUpdate::ChannelClosed{short_channel_id: channels[1].0.contents.short_channel_id, is_permanent: true})); + + let mut bogus_route = route.clone(); + bogus_route.hops[1].short_channel_id -= 1; + run_onion_failure_test("unknown_next_peer", 0, &nodes, &bogus_route, &payment_hash, |_| {}, ||{}, true, Some(PERM|10), + Some(msgs::HTLCFailChannelUpdate::ChannelClosed{short_channel_id: bogus_route.hops[1].short_channel_id, is_permanent:true})); + + let amt_to_forward = nodes[1].node.channel_state.lock().unwrap().by_id.get(&channels[1].2).unwrap().get_their_htlc_minimum_msat() - 1; + let mut bogus_route = route.clone(); + let route_len = bogus_route.hops.len(); + bogus_route.hops[route_len-1].fee_msat = amt_to_forward; + run_onion_failure_test("amount_below_minimum", 0, &nodes, &bogus_route, &payment_hash, |_| {}, ||{}, true, Some(UPDATE|11), Some(msgs::HTLCFailChannelUpdate::ChannelUpdateMessage{msg: ChannelUpdate::dummy()})); + + //TODO: with new config API, we will be able to generate both valid and + //invalid channel_update cases. + run_onion_failure_test("fee_insufficient", 0, &nodes, &route, &payment_hash, |msg| { + msg.amount_msat -= 1; + }, || {}, true, Some(UPDATE|12), Some(msgs::HTLCFailChannelUpdate::ChannelClosed { short_channel_id: channels[0].0.contents.short_channel_id, is_permanent: true})); + + run_onion_failure_test("incorrect_cltv_expiry", 0, &nodes, &route, &payment_hash, |msg| { + // need to violate: cltv_expiry - cltv_expiry_delta >= outgoing_cltv_value + msg.cltv_expiry -= 1; + }, || {}, true, Some(UPDATE|13), Some(msgs::HTLCFailChannelUpdate::ChannelClosed { short_channel_id: channels[0].0.contents.short_channel_id, is_permanent: true})); + + run_onion_failure_test("expiry_too_soon", 0, &nodes, &route, &payment_hash, |msg| { + let height = msg.cltv_expiry - CLTV_CLAIM_BUFFER - HTLC_FAIL_TIMEOUT_BLOCKS + 1; + let header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; + nodes[1].chain_monitor.block_connected_checked(&header, height, &Vec::new()[..], &[0; 0]); + }, ||{}, true, Some(UPDATE|14), Some(msgs::HTLCFailChannelUpdate::ChannelUpdateMessage{msg: ChannelUpdate::dummy()})); + + run_onion_failure_test("unknown_payment_hash", 2, &nodes, &route, &payment_hash, |_| {}, || { + nodes[2].node.fail_htlc_backwards(&payment_hash, PaymentFailReason::PreimageUnknown); + }, false, Some(PERM|15), None); + + run_onion_failure_test("incorrect_payment_amount", 2, &nodes, &route, &payment_hash, |_| {}, || { + nodes[2].node.fail_htlc_backwards(&payment_hash, PaymentFailReason::AmountMismatch); + }, false, Some(PERM|16), None); + + run_onion_failure_test("final_expiry_too_soon", 1, &nodes, &route, &payment_hash, |msg| { + let height = msg.cltv_expiry - CLTV_CLAIM_BUFFER - HTLC_FAIL_TIMEOUT_BLOCKS + 1; + let header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; + nodes[2].chain_monitor.block_connected_checked(&header, height, &Vec::new()[..], &[0; 0]); + }, || {}, true, Some(17), None); + + run_onion_failure_test("final_incorrect_cltv_expiry", 1, &nodes, &route, &payment_hash, |_| {}, || { + for (_, mut pending_forwards) in nodes[1].node.channel_state.lock().unwrap().borrow_parts().forward_htlcs.iter_mut() { + for f in pending_forwards.iter_mut() { + f.forward_info.outgoing_cltv_value += 1; + } + } + }, true, Some(18), None); + + run_onion_failure_test("final_incorrect_htlc_amount", 1, &nodes, &route, &payment_hash, |_| {}, || { + // violate amt_to_forward > msg.amount_msat + for (_, mut pending_forwards) in nodes[1].node.channel_state.lock().unwrap().borrow_parts().forward_htlcs.iter_mut() { + for f in pending_forwards.iter_mut() { + f.forward_info.amt_to_forward -= 1; + } + } + }, true, Some(19), None); + + run_onion_failure_test("channel_disabled", 0, &nodes, &route, &payment_hash, |_| {}, || { + // disconnect event to the channel between nodes[1] ~ nodes[2] + 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); + }, true, Some(UPDATE|20), Some(msgs::HTLCFailChannelUpdate::ChannelUpdateMessage{msg: ChannelUpdate::dummy()})); + reconnect_nodes(&nodes[1], &nodes[2], (false, false), (0, 0), (0, 0), (0, 0), (0, 0), (false, false)); + + run_onion_failure_test("expiry_too_far", 0, &nodes, &route, &payment_hash, |msg| { + let session_priv = SecretKey::from_slice(&::secp256k1::Secp256k1::without_caps(), &[3; 32]).unwrap(); + let mut route = route.clone(); + let height = 1; + route.hops[1].cltv_expiry_delta += CLTV_FAR_FAR_AWAY + route.hops[0].cltv_expiry_delta + 1; + let onion_keys = ChannelManager::construct_onion_keys(&Secp256k1::new(), &route, &session_priv).unwrap(); + let (onion_payloads, _, htlc_cltv) = ChannelManager::build_onion_payloads(&route, height).unwrap(); + let onion_packet = ChannelManager::construct_onion_packet(onion_payloads, onion_keys, &payment_hash); + msg.cltv_expiry = htlc_cltv; + msg.onion_routing_packet = onion_packet; + }, ||{}, true, Some(21), None); + } }