X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=lightning%2Fsrc%2Fln%2Ffunctional_tests.rs;h=d243ab288ae476ff214e6ee89e2e556fa03ff0d6;hb=a3e4f9c9671003cf7041096fe775d058bdb489b0;hp=5eb3602851e90aef62f37bdbf3b9ae5648ce8830;hpb=9f7bcfb1ede0ecd8cd635c2bacf1774cc65487b7;p=rust-lightning diff --git a/lightning/src/ln/functional_tests.rs b/lightning/src/ln/functional_tests.rs index 5eb36028..d243ab28 100644 --- a/lightning/src/ln/functional_tests.rs +++ b/lightning/src/ln/functional_tests.rs @@ -1,15 +1,23 @@ +// This file is Copyright its original authors, visible in version control +// history. +// +// This file is licensed under the Apache License, Version 2.0 or the MIT license +// , at your option. +// You may not use this file except in accordance with one or both of these +// licenses. + //! Tests that test standing up a network of ChannelManagers, creating channels, sending //! payments/messages between them, and often checking the resulting ChannelMonitors are able to //! claim outputs on-chain. +use chain::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::{ChannelKeys, KeysInterface, SpendableOutputDescriptor}; -use chain::chaininterface; -use chain::chaininterface::{ChainListener, ChainWatchInterfaceUtil, BlockNotifier}; use ln::channel::{COMMITMENT_TX_BASE_WEIGHT, COMMITMENT_TX_WEIGHT_PER_HTLC}; -use ln::channelmanager::{ChannelManager,ChannelManagerReadArgs,HTLCForwardInfo,RAACommitmentOrder, PaymentPreimage, PaymentHash, PaymentSecret, PaymentSendFailure, BREAKDOWN_TIMEOUT}; -use ln::channelmonitor::{ChannelMonitor, CLTV_CLAIM_BUFFER, LATENCY_GRACE_PERIOD_BLOCKS, ManyChannelMonitor, ANTI_REORG_DELAY}; -use ln::channelmonitor; +use ln::channelmanager::{ChannelManager, ChannelManagerReadArgs, RAACommitmentOrder, PaymentPreimage, PaymentHash, PaymentSecret, PaymentSendFailure, BREAKDOWN_TIMEOUT}; use ln::channel::{Channel, ChannelError}; use ln::{chan_utils, onion_utils}; use routing::router::{Route, RouteHop, get_route}; @@ -20,12 +28,12 @@ use util::enforcing_trait_impls::EnforcingChannelKeys; use util::{byte_utils, test_utils}; use util::events::{Event, EventsProvider, MessageSendEvent, MessageSendEventsProvider}; use util::errors::APIError; -use util::ser::{Writeable, Writer, ReadableArgs, Readable}; +use util::ser::{Writeable, ReadableArgs, Readable}; use util::config::UserConfig; -use bitcoin::util::hash::BitcoinHash; use bitcoin::hashes::sha256d::Hash as Sha256dHash; -use bitcoin::hash_types::{Txid, BlockHash}; +use bitcoin::hashes::HashEngine; +use bitcoin::hash_types::{Txid, BlockHash, WPubkeyHash}; use bitcoin::util::bip143; use bitcoin::util::address::Address; use bitcoin::util::bip32::{ChildNumber, ExtendedPubKey, ExtendedPrivKey}; @@ -42,15 +50,16 @@ use bitcoin::hashes::Hash; use bitcoin::secp256k1::{Secp256k1, Message}; use bitcoin::secp256k1::key::{PublicKey,SecretKey}; +use regex; + use std::collections::{BTreeSet, HashMap, HashSet}; use std::default::Default; use std::sync::{Arc, Mutex}; use std::sync::atomic::Ordering; -use std::{mem, io}; - -use rand::{thread_rng, Rng}; +use std::mem; use ln::functional_test_utils::*; +use ln::chan_utils::PreCalculatedTxCreationKeys; #[test] fn test_insane_channel_opens() { @@ -63,7 +72,7 @@ fn test_insane_channel_opens() { // Instantiate channel parameters where we push the maximum msats given our // funding satoshis let channel_value_sat = 31337; // same as funding satoshis - let channel_reserve_satoshis = Channel::::get_remote_channel_reserve_satoshis(channel_value_sat); + let channel_reserve_satoshis = Channel::::get_holder_selected_channel_reserve_satoshis(channel_value_sat); let push_msat = (channel_value_sat - channel_reserve_satoshis) * 1000; // Have node0 initiate a channel to node1 with aforementioned parameters @@ -78,10 +87,11 @@ fn test_insane_channel_opens() { nodes[1].node.handle_open_channel(&nodes[0].node.get_our_node_id(), InitFeatures::known(), &message_mutator(open_channel_message.clone())); let msg_events = nodes[1].node.get_and_clear_pending_msg_events(); assert_eq!(msg_events.len(), 1); + let expected_regex = regex::Regex::new(expected_error_str).unwrap(); if let MessageSendEvent::HandleError { ref action, .. } = msg_events[0] { match action { &ErrorAction::SendErrorMessage { .. } => { - nodes[1].logger.assert_log("lightning::ln::channelmanager".to_string(), expected_error_str.to_string(), 1); + nodes[1].logger.assert_log_regex("lightning::ln::channelmanager".to_string(), expected_regex, 1); }, _ => panic!("unexpected event!"), } @@ -92,23 +102,23 @@ fn test_insane_channel_opens() { use ln::channelmanager::MAX_LOCAL_BREAKDOWN_TIMEOUT; // Test all mutations that would make the channel open message insane - insane_open_helper("funding value > 2^24", |mut msg| { msg.funding_satoshis = MAX_FUNDING_SATOSHIS; msg }); + insane_open_helper(format!("Funding must be smaller than {}. It was {}", MAX_FUNDING_SATOSHIS, MAX_FUNDING_SATOSHIS).as_str(), |mut msg| { msg.funding_satoshis = MAX_FUNDING_SATOSHIS; msg }); insane_open_helper("Bogus channel_reserve_satoshis", |mut msg| { msg.channel_reserve_satoshis = msg.funding_satoshis + 1; msg }); - insane_open_helper("push_msat larger than funding value", |mut msg| { msg.push_msat = (msg.funding_satoshis - msg.channel_reserve_satoshis) * 1000 + 1; msg }); + insane_open_helper(r"push_msat \d+ was larger than funding value \d+", |mut msg| { msg.push_msat = (msg.funding_satoshis - msg.channel_reserve_satoshis) * 1000 + 1; msg }); insane_open_helper("Peer never wants payout outputs?", |mut msg| { msg.dust_limit_satoshis = msg.funding_satoshis + 1 ; msg }); - insane_open_helper("Bogus; channel reserve is less than dust limit", |mut msg| { msg.dust_limit_satoshis = msg.channel_reserve_satoshis + 1; msg }); + insane_open_helper(r"Bogus; channel reserve \(\d+\) is less than dust limit \(\d+\)", |mut msg| { msg.dust_limit_satoshis = msg.channel_reserve_satoshis + 1; msg }); - insane_open_helper("Minimum htlc value is full channel value", |mut msg| { msg.htlc_minimum_msat = (msg.funding_satoshis - msg.channel_reserve_satoshis) * 1000; msg }); + insane_open_helper(r"Minimum htlc value \(\d+\) was larger than full channel value \(\d+\)", |mut msg| { msg.htlc_minimum_msat = (msg.funding_satoshis - msg.channel_reserve_satoshis) * 1000; msg }); insane_open_helper("They wanted our payments to be delayed by a needlessly long period", |mut msg| { msg.to_self_delay = MAX_LOCAL_BREAKDOWN_TIMEOUT + 1; msg }); - insane_open_helper("0 max_accpted_htlcs makes for a useless channel", |mut msg| { msg.max_accepted_htlcs = 0; msg }); + insane_open_helper("0 max_accepted_htlcs makes for a useless channel", |mut msg| { msg.max_accepted_htlcs = 0; msg }); - insane_open_helper("max_accpted_htlcs > 483", |mut msg| { msg.max_accepted_htlcs = 484; msg }); + insane_open_helper("max_accepted_htlcs was 484. It must not be larger than 483", |mut msg| { msg.max_accepted_htlcs = 484; msg }); } #[test] @@ -159,7 +169,7 @@ fn test_async_inbound_update_fee() { // ...but before it's delivered, nodes[1] starts to send a payment back to nodes[0]... let (_, our_payment_hash) = get_payment_preimage_hash!(nodes[0]); let net_graph_msg_handler = &nodes[1].net_graph_msg_handler; - nodes[1].node.send_payment(&get_route(&nodes[1].node.get_our_node_id(), net_graph_msg_handler, &nodes[0].node.get_our_node_id(), None, &Vec::new(), 40000, TEST_FINAL_CLTV, &logger).unwrap(), our_payment_hash, &None).unwrap(); + nodes[1].node.send_payment(&get_route(&nodes[1].node.get_our_node_id(), &net_graph_msg_handler.network_graph.read().unwrap(), &nodes[0].node.get_our_node_id(), None, &Vec::new(), 40000, TEST_FINAL_CLTV, &logger).unwrap(), our_payment_hash, &None).unwrap(); check_added_monitors!(nodes[1], 1); let payment_event = { @@ -257,7 +267,7 @@ fn test_update_fee_unordered_raa() { // ...but before it's delivered, nodes[1] starts to send a payment back to nodes[0]... let (_, our_payment_hash) = get_payment_preimage_hash!(nodes[0]); let net_graph_msg_handler = &nodes[1].net_graph_msg_handler; - nodes[1].node.send_payment(&get_route(&nodes[1].node.get_our_node_id(), net_graph_msg_handler, &nodes[0].node.get_our_node_id(), None, &Vec::new(), 40000, TEST_FINAL_CLTV, &logger).unwrap(), our_payment_hash, &None).unwrap(); + nodes[1].node.send_payment(&get_route(&nodes[1].node.get_our_node_id(), &net_graph_msg_handler.network_graph.read().unwrap(), &nodes[0].node.get_our_node_id(), None, &Vec::new(), 40000, TEST_FINAL_CLTV, &logger).unwrap(), our_payment_hash, &None).unwrap(); check_added_monitors!(nodes[1], 1); let payment_event = { @@ -406,14 +416,14 @@ fn test_1_conf_open() { let 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()); - assert!(nodes[0].chain_monitor.does_match_tx(&tx)); - assert!(nodes[1].chain_monitor.does_match_tx(&tx)); - - let header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; - nodes[1].block_notifier.block_connected_checked(&header, 1, &[&tx; 1], &[tx.version; 1]); + let block = Block { + header: BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }, + txdata: vec![tx], + }; + connect_block(&nodes[1], &block, 1); nodes[0].node.handle_funding_locked(&nodes[1].node.get_our_node_id(), &get_event_msg!(nodes[1], MessageSendEvent::SendFundingLocked, nodes[0].node.get_our_node_id())); - nodes[0].block_notifier.block_connected_checked(&header, 1, &[&tx; 1], &[tx.version; 1]); + connect_block(&nodes[0], &block, 1); let (funding_locked, _) = create_chan_between_nodes_with_value_confirm_second(&nodes[1], &nodes[0]); let (announcement, as_update, bs_update) = create_chan_between_nodes_with_value_b(&nodes[0], &nodes[1], &funding_locked); @@ -436,9 +446,12 @@ fn do_test_sanity_on_in_flight_opens(steps: u8) { let nodes = create_network(2, &node_cfgs, &node_chanmgrs); if steps & 0b1000_0000 != 0{ - let header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; - nodes[0].block_notifier.block_connected_checked(&header, 1, &Vec::new(), &[0; 0]); - nodes[1].block_notifier.block_connected_checked(&header, 1, &Vec::new(), &[0; 0]); + let block = Block { + header: BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }, + txdata: vec![], + }; + connect_block(&nodes[0], &block, 1); + connect_block(&nodes[1], &block, 1); } if steps & 0x0f == 0 { return; } @@ -462,7 +475,7 @@ fn do_test_sanity_on_in_flight_opens(steps: u8) { if steps & 0x0f == 4 { return; } nodes[1].node.handle_funding_created(&nodes[0].node.get_our_node_id(), &funding_created); { - let mut added_monitors = nodes[1].chan_monitor.added_monitors.lock().unwrap(); + let mut added_monitors = nodes[1].chain_monitor.added_monitors.lock().unwrap(); assert_eq!(added_monitors.len(), 1); assert_eq!(added_monitors[0].0, funding_output); added_monitors.clear(); @@ -472,7 +485,7 @@ fn do_test_sanity_on_in_flight_opens(steps: u8) { if steps & 0x0f == 5 { return; } nodes[0].node.handle_funding_signed(&nodes[1].node.get_our_node_id(), &funding_signed); { - let mut added_monitors = nodes[0].chan_monitor.added_monitors.lock().unwrap(); + let mut added_monitors = nodes[0].chain_monitor.added_monitors.lock().unwrap(); assert_eq!(added_monitors.len(), 1); assert_eq!(added_monitors[0].0, funding_output); added_monitors.clear(); @@ -492,7 +505,7 @@ fn do_test_sanity_on_in_flight_opens(steps: u8) { create_chan_between_nodes_with_value_confirm_first(&nodes[0], &nodes[1], &tx); if steps & 0x0f == 7 { return; } - confirm_transaction(&nodes[0].block_notifier, &nodes[0].chain_monitor, &tx, tx.version); + confirm_transaction(&nodes[0], &tx); create_chan_between_nodes_with_value_confirm_second(&nodes[1], &nodes[0]); } @@ -585,7 +598,7 @@ fn test_update_fee_that_funder_cannot_afford() { //We made sure neither party's funds are below the dust limit so -2 non-HTLC txns from number of outputs let num_htlcs = commitment_tx.output.len() - 2; - let total_fee: u64 = feerate * (COMMITMENT_TX_BASE_WEIGHT + (num_htlcs as u64) * COMMITMENT_TX_WEIGHT_PER_HTLC) / 1000; + let total_fee: u64 = feerate as u64 * (COMMITMENT_TX_BASE_WEIGHT + (num_htlcs as u64) * COMMITMENT_TX_WEIGHT_PER_HTLC) / 1000; let mut actual_fee = commitment_tx.output.iter().fold(0, |acc, output| acc + output.value); actual_fee = channel_value - actual_fee; assert_eq!(total_fee, actual_fee); @@ -641,12 +654,12 @@ fn test_update_fee_with_fundee_update_add_htlc() { let (our_payment_preimage, our_payment_hash) = get_payment_preimage_hash!(nodes[1]); let net_graph_msg_handler = &nodes[1].net_graph_msg_handler; - let route = get_route(&nodes[1].node.get_our_node_id(), net_graph_msg_handler, &nodes[0].node.get_our_node_id(), None, &Vec::new(), 800000, TEST_FINAL_CLTV, &logger).unwrap(); + let route = get_route(&nodes[1].node.get_our_node_id(), &net_graph_msg_handler.network_graph.read().unwrap(), &nodes[0].node.get_our_node_id(), None, &Vec::new(), 800000, TEST_FINAL_CLTV, &logger).unwrap(); // nothing happens since node[1] is in AwaitingRemoteRevoke nodes[1].node.send_payment(&route, our_payment_hash, &None).unwrap(); { - let mut added_monitors = nodes[0].chan_monitor.added_monitors.lock().unwrap(); + let mut added_monitors = nodes[0].chain_monitor.added_monitors.lock().unwrap(); assert_eq!(added_monitors.len(), 0); added_monitors.clear(); } @@ -819,8 +832,8 @@ fn pre_funding_lock_shutdown_test() { let nodes = create_network(2, &node_cfgs, &node_chanmgrs); let tx = create_chan_between_nodes_with_value_init(&nodes[0], &nodes[1], 8000000, 0, InitFeatures::known(), InitFeatures::known()); let header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; - nodes[0].block_notifier.block_connected(&Block { header, txdata: vec![tx.clone()]}, 1); - nodes[1].block_notifier.block_connected(&Block { header, txdata: vec![tx.clone()]}, 1); + connect_block(&nodes[0], &Block { header, txdata: vec![tx.clone()]}, 1); + connect_block(&nodes[1], &Block { header, txdata: vec![tx.clone()]}, 1); nodes[0].node.close_channel(&OutPoint { txid: tx.txid(), index: 0 }.to_channel_id()).unwrap(); let node_0_shutdown = get_event_msg!(nodes[0], MessageSendEvent::SendShutdown, nodes[1].node.get_our_node_id()); @@ -865,8 +878,8 @@ fn updates_shutdown_wait() { let net_graph_msg_handler0 = &nodes[0].net_graph_msg_handler; let net_graph_msg_handler1 = &nodes[1].net_graph_msg_handler; - let route_1 = get_route(&nodes[0].node.get_our_node_id(), net_graph_msg_handler0, &nodes[1].node.get_our_node_id(), None, &[], 100000, TEST_FINAL_CLTV, &logger).unwrap(); - let route_2 = get_route(&nodes[1].node.get_our_node_id(), net_graph_msg_handler1, &nodes[0].node.get_our_node_id(), None, &[], 100000, TEST_FINAL_CLTV, &logger).unwrap(); + let route_1 = get_route(&nodes[0].node.get_our_node_id(), &net_graph_msg_handler0.network_graph.read().unwrap(), &nodes[1].node.get_our_node_id(), None, &[], 100000, TEST_FINAL_CLTV, &logger).unwrap(); + let route_2 = get_route(&nodes[1].node.get_our_node_id(), &net_graph_msg_handler1.network_graph.read().unwrap(), &nodes[0].node.get_our_node_id(), None, &[], 100000, TEST_FINAL_CLTV, &logger).unwrap(); unwrap_send_err!(nodes[0].node.send_payment(&route_1, payment_hash, &None), true, APIError::ChannelUnavailable {..}, {}); unwrap_send_err!(nodes[1].node.send_payment(&route_2, payment_hash, &None), true, APIError::ChannelUnavailable {..}, {}); @@ -929,7 +942,7 @@ fn htlc_fail_async_shutdown() { let (_, our_payment_hash) = get_payment_preimage_hash!(nodes[0]); let net_graph_msg_handler = &nodes[0].net_graph_msg_handler; - let route = get_route(&nodes[0].node.get_our_node_id(), net_graph_msg_handler, &nodes[2].node.get_our_node_id(), None, &[], 100000, TEST_FINAL_CLTV, &logger).unwrap(); + let route = get_route(&nodes[0].node.get_our_node_id(), &net_graph_msg_handler.network_graph.read().unwrap(), &nodes[2].node.get_our_node_id(), None, &[], 100000, TEST_FINAL_CLTV, &logger).unwrap(); nodes[0].node.send_payment(&route, our_payment_hash, &None).unwrap(); check_added_monitors!(nodes[0], 1); let updates = get_htlc_update_msgs!(nodes[0], nodes[1].node.get_our_node_id()); @@ -1271,7 +1284,7 @@ fn fake_network_test() { route_over_limit(&nodes[0], &vec!(&nodes[1], &nodes[3])[..], 3000000); let events = nodes[0].node.get_and_clear_pending_msg_events(); assert_eq!(events.len(), 0); - nodes[0].logger.assert_log("lightning::ln::channelmanager".to_string(), "Cannot send value that would put us over the max HTLC value in flight our peer will accept".to_string(), 1); + nodes[0].logger.assert_log_regex("lightning::ln::channelmanager".to_string(), regex::Regex::new(r"Cannot send value that would put us over the max HTLC value in flight our peer will accept \(\d+\)").unwrap(), 1); //TODO: Test that routes work again here as we've been notified that the channel is full @@ -1304,7 +1317,7 @@ fn holding_cell_htlc_counting() { for _ in 0..::ln::channel::OUR_MAX_HTLCS { let (payment_preimage, payment_hash) = get_payment_preimage_hash!(nodes[0]); let net_graph_msg_handler = &nodes[1].net_graph_msg_handler; - let route = get_route(&nodes[1].node.get_our_node_id(), net_graph_msg_handler, &nodes[2].node.get_our_node_id(), None, &Vec::new(), 100000, TEST_FINAL_CLTV, &logger).unwrap(); + let route = get_route(&nodes[1].node.get_our_node_id(), &net_graph_msg_handler.network_graph.read().unwrap(), &nodes[2].node.get_our_node_id(), None, &Vec::new(), 100000, TEST_FINAL_CLTV, &logger).unwrap(); nodes[1].node.send_payment(&route, payment_hash, &None).unwrap(); payments.push((payment_preimage, payment_hash)); } @@ -1321,18 +1334,18 @@ fn holding_cell_htlc_counting() { let (_, payment_hash_1) = get_payment_preimage_hash!(nodes[0]); { let net_graph_msg_handler = &nodes[1].net_graph_msg_handler; - let route = get_route(&nodes[1].node.get_our_node_id(), net_graph_msg_handler, &nodes[2].node.get_our_node_id(), None, &Vec::new(), 100000, TEST_FINAL_CLTV, &logger).unwrap(); - unwrap_send_err!(nodes[1].node.send_payment(&route, payment_hash_1, &None), true, APIError::ChannelUnavailable { err }, - assert_eq!(err, "Cannot push more than their max accepted HTLCs")); + let route = get_route(&nodes[1].node.get_our_node_id(), &net_graph_msg_handler.network_graph.read().unwrap(), &nodes[2].node.get_our_node_id(), None, &Vec::new(), 100000, TEST_FINAL_CLTV, &logger).unwrap(); + unwrap_send_err!(nodes[1].node.send_payment(&route, payment_hash_1, &None), true, APIError::ChannelUnavailable { ref err }, + assert!(regex::Regex::new(r"Cannot push more than their max accepted HTLCs \(\d+\)").unwrap().is_match(err))); assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty()); - nodes[1].logger.assert_log("lightning::ln::channelmanager".to_string(), "Cannot push more than their max accepted HTLCs".to_string(), 1); + nodes[1].logger.assert_log_contains("lightning::ln::channelmanager".to_string(), "Cannot push more than their max accepted HTLCs".to_string(), 1); } // This should also be true if we try to forward a payment. let (_, payment_hash_2) = get_payment_preimage_hash!(nodes[0]); { let net_graph_msg_handler = &nodes[0].net_graph_msg_handler; - let route = get_route(&nodes[0].node.get_our_node_id(), net_graph_msg_handler, &nodes[2].node.get_our_node_id(), None, &Vec::new(), 100000, TEST_FINAL_CLTV, &logger).unwrap(); + let route = get_route(&nodes[0].node.get_our_node_id(), &net_graph_msg_handler.network_graph.read().unwrap(), &nodes[2].node.get_our_node_id(), None, &Vec::new(), 100000, TEST_FINAL_CLTV, &logger).unwrap(); nodes[0].node.send_payment(&route, payment_hash_2, &None).unwrap(); check_added_monitors!(nodes[0], 1); } @@ -1465,7 +1478,7 @@ fn test_duplicate_htlc_different_direction_onchain() { let (payment_preimage, payment_hash) = route_payment(&nodes[0], &vec!(&nodes[1])[..], 900_000); let net_graph_msg_handler = &nodes[1].net_graph_msg_handler; - let route = get_route(&nodes[1].node.get_our_node_id(), net_graph_msg_handler, &nodes[0].node.get_our_node_id(), None, &Vec::new(), 800_000, TEST_FINAL_CLTV, &logger).unwrap(); + let route = get_route(&nodes[1].node.get_our_node_id(), &net_graph_msg_handler.network_graph.read().unwrap(), &nodes[0].node.get_our_node_id(), None, &Vec::new(), 800_000, TEST_FINAL_CLTV, &logger).unwrap(); send_along_route_with_hash(&nodes[1], route, &vec!(&nodes[0])[..], 800_000, payment_hash); // Provide preimage to node 0 by claiming payment @@ -1487,7 +1500,7 @@ fn test_duplicate_htlc_different_direction_onchain() { assert_eq!(has_both_htlcs, 2); let header = BlockHeader { version: 0x2000_0000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; - nodes[0].block_notifier.block_connected(&Block { header, txdata: vec![remote_txn[0].clone()] }, 1); + connect_block(&nodes[0], &Block { header, txdata: vec![remote_txn[0].clone()] }, 1); check_added_monitors!(nodes[0], 1); // Check we only broadcast 1 timeout tx @@ -1520,14 +1533,398 @@ fn test_duplicate_htlc_different_direction_onchain() { } } -fn do_channel_reserve_test(test_recv: bool) { +#[test] +fn test_basic_channel_reserve() { + 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 chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 100000, 95000000, InitFeatures::known(), InitFeatures::known()); + let logger = test_utils::TestLogger::new(); + + let chan_stat = get_channel_value_stat!(nodes[0], chan.2); + let channel_reserve = chan_stat.channel_reserve_msat; + + // The 2* and +1 are for the fee spike reserve. + let (_, our_payment_hash) = get_payment_preimage_hash!(nodes[0]); + let commit_tx_fee = 2 * commit_tx_fee_msat(get_feerate!(nodes[0], chan.2), 1 + 1); + let max_can_send = 5000000 - channel_reserve - commit_tx_fee; + let net_graph_msg_handler = &nodes[0].net_graph_msg_handler; + let route = get_route(&nodes[0].node.get_our_node_id(), &net_graph_msg_handler.network_graph.read().unwrap(), &nodes.last().unwrap().node.get_our_node_id(), None, &Vec::new(), max_can_send + 1, TEST_FINAL_CLTV, &logger).unwrap(); + let err = nodes[0].node.send_payment(&route, our_payment_hash, &None).err().unwrap(); + match err { + PaymentSendFailure::AllFailedRetrySafe(ref fails) => { + match &fails[0] { + &APIError::ChannelUnavailable{ref err} => + assert!(regex::Regex::new(r"Cannot send value that would put our balance under counterparty-announced channel reserve value \(\d+\)").unwrap().is_match(err)), + _ => panic!("Unexpected error variant"), + } + }, + _ => panic!("Unexpected error variant"), + } + assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty()); + nodes[0].logger.assert_log_contains("lightning::ln::channelmanager".to_string(), "Cannot send value that would put our balance under counterparty-announced channel reserve value".to_string(), 1); + + send_payment(&nodes[0], &vec![&nodes[1]], max_can_send, max_can_send); +} + +#[test] +fn test_fee_spike_violation_fails_htlc() { + 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 chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 100000, 95000000, InitFeatures::known(), InitFeatures::known()); + let logger = test_utils::TestLogger::new(); + + macro_rules! get_route_and_payment_hash { + ($recv_value: expr) => {{ + let (payment_preimage, payment_hash) = get_payment_preimage_hash!(nodes[1]); + let net_graph_msg_handler = &nodes[0].net_graph_msg_handler.network_graph.read().unwrap(); + let route = get_route(&nodes[0].node.get_our_node_id(), net_graph_msg_handler, &nodes.last().unwrap().node.get_our_node_id(), None, &Vec::new(), $recv_value, TEST_FINAL_CLTV, &logger).unwrap(); + (route, payment_hash, payment_preimage) + }} + }; + + let (route, payment_hash, _) = get_route_and_payment_hash!(3460001); + // Need to manually create the update_add_htlc message to go around the channel reserve check in send_htlc() + let secp_ctx = Secp256k1::new(); + let session_priv = SecretKey::from_slice(&[42; 32]).expect("RNG is bad!"); + + let cur_height = nodes[1].node.latest_block_height.load(Ordering::Acquire) as u32 + 1; + + let onion_keys = onion_utils::construct_onion_keys(&secp_ctx, &route.paths[0], &session_priv).unwrap(); + let (onion_payloads, htlc_msat, htlc_cltv) = onion_utils::build_onion_payloads(&route.paths[0], 3460001, &None, cur_height).unwrap(); + let onion_packet = onion_utils::construct_onion_packet(onion_payloads, onion_keys, [0; 32], &payment_hash); + let msg = msgs::UpdateAddHTLC { + channel_id: chan.2, + htlc_id: 0, + amount_msat: htlc_msat, + payment_hash: payment_hash, + cltv_expiry: htlc_cltv, + onion_routing_packet: onion_packet, + }; + + nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &msg); + + // Now manually create the commitment_signed message corresponding to the update_add + // nodes[0] just sent. In the code for construction of this message, "local" refers + // to the sender of the message, and "remote" refers to the receiver. + + let feerate_per_kw = get_feerate!(nodes[0], chan.2); + + const INITIAL_COMMITMENT_NUMBER: u64 = (1 << 48) - 1; + + // Get the EnforcingChannelKeys for each channel, which will be used to (1) get the keys + // needed to sign the new commitment tx and (2) sign the new commitment tx. + let (local_revocation_basepoint, local_htlc_basepoint, local_payment_point, local_secret, local_secret2) = { + let chan_lock = nodes[0].node.channel_state.lock().unwrap(); + let local_chan = chan_lock.by_id.get(&chan.2).unwrap(); + let chan_keys = local_chan.get_keys(); + let pubkeys = chan_keys.pubkeys(); + (pubkeys.revocation_basepoint, pubkeys.htlc_basepoint, pubkeys.payment_point, + chan_keys.release_commitment_secret(INITIAL_COMMITMENT_NUMBER), chan_keys.release_commitment_secret(INITIAL_COMMITMENT_NUMBER - 2)) + }; + let (remote_delayed_payment_basepoint, remote_htlc_basepoint, remote_payment_point, remote_secret1) = { + let chan_lock = nodes[1].node.channel_state.lock().unwrap(); + let remote_chan = chan_lock.by_id.get(&chan.2).unwrap(); + let chan_keys = remote_chan.get_keys(); + let pubkeys = chan_keys.pubkeys(); + (pubkeys.delayed_payment_basepoint, pubkeys.htlc_basepoint, pubkeys.payment_point, + chan_keys.release_commitment_secret(INITIAL_COMMITMENT_NUMBER - 1)) + }; + + // Assemble the set of keys we can use for signatures for our commitment_signed message. + let commitment_secret = SecretKey::from_slice(&remote_secret1).unwrap(); + let per_commitment_point = PublicKey::from_secret_key(&secp_ctx, &commitment_secret); + let commit_tx_keys = chan_utils::TxCreationKeys::derive_new(&secp_ctx, &per_commitment_point, &remote_delayed_payment_basepoint, + &remote_htlc_basepoint, &local_revocation_basepoint, &local_htlc_basepoint).unwrap(); + + // Build the remote commitment transaction so we can sign it, and then later use the + // signature for the commitment_signed message. + let local_chan_balance = 1313; + let static_payment_pk = local_payment_point.serialize(); + let remote_commit_tx_output = TxOut { + script_pubkey: Builder::new().push_opcode(opcodes::all::OP_PUSHBYTES_0) + .push_slice(&WPubkeyHash::hash(&static_payment_pk)[..]) + .into_script(), + value: local_chan_balance as u64 + }; + + let local_commit_tx_output = TxOut { + script_pubkey: chan_utils::get_revokeable_redeemscript(&commit_tx_keys.revocation_key, + BREAKDOWN_TIMEOUT, + &commit_tx_keys.broadcaster_delayed_payment_key).to_v0_p2wsh(), + value: 95000, + }; + + let accepted_htlc_info = chan_utils::HTLCOutputInCommitment { + offered: false, + amount_msat: 3460001, + cltv_expiry: htlc_cltv, + payment_hash: payment_hash, + transaction_output_index: Some(1), + }; + + let htlc_output = TxOut { + script_pubkey: chan_utils::get_htlc_redeemscript(&accepted_htlc_info, &commit_tx_keys).to_v0_p2wsh(), + value: 3460001 / 1000 + }; + + let commit_tx_obscure_factor = { + let mut sha = Sha256::engine(); + let remote_payment_point = &remote_payment_point.serialize(); + sha.input(&local_payment_point.serialize()); + sha.input(remote_payment_point); + let res = Sha256::from_engine(sha).into_inner(); + + ((res[26] as u64) << 5*8) | + ((res[27] as u64) << 4*8) | + ((res[28] as u64) << 3*8) | + ((res[29] as u64) << 2*8) | + ((res[30] as u64) << 1*8) | + ((res[31] as u64) << 0*8) + }; + let commitment_number = 1; + let obscured_commitment_transaction_number = commit_tx_obscure_factor ^ commitment_number; + let lock_time = ((0x20 as u32) << 8*3) | ((obscured_commitment_transaction_number & 0xffffffu64) as u32); + let input = TxIn { + previous_output: BitcoinOutPoint { txid: chan.3.txid(), vout: 0 }, + script_sig: Script::new(), + sequence: ((0x80 as u32) << 8*3) | ((obscured_commitment_transaction_number >> 3*8) as u32), + witness: Vec::new(), + }; + + let commit_tx = Transaction { + version: 2, + lock_time, + input: vec![input], + output: vec![remote_commit_tx_output, htlc_output, local_commit_tx_output], + }; + let res = { + let local_chan_lock = nodes[0].node.channel_state.lock().unwrap(); + let local_chan = local_chan_lock.by_id.get(&chan.2).unwrap(); + let local_chan_keys = local_chan.get_keys(); + let pre_commit_tx_keys = PreCalculatedTxCreationKeys::new(commit_tx_keys); + local_chan_keys.sign_counterparty_commitment(feerate_per_kw, &commit_tx, &pre_commit_tx_keys, &[&accepted_htlc_info], &secp_ctx).unwrap() + }; + + let commit_signed_msg = msgs::CommitmentSigned { + channel_id: chan.2, + signature: res.0, + htlc_signatures: res.1 + }; + + // Send the commitment_signed message to the nodes[1]. + nodes[1].node.handle_commitment_signed(&nodes[0].node.get_our_node_id(), &commit_signed_msg); + let _ = nodes[1].node.get_and_clear_pending_msg_events(); + + // Send the RAA to nodes[1]. + let per_commitment_secret = local_secret; + let next_secret = SecretKey::from_slice(&local_secret2).unwrap(); + let next_per_commitment_point = PublicKey::from_secret_key(&secp_ctx, &next_secret); + let raa_msg = msgs::RevokeAndACK{ channel_id: chan.2, per_commitment_secret, next_per_commitment_point}; + nodes[1].node.handle_revoke_and_ack(&nodes[0].node.get_our_node_id(), &raa_msg); + + let events = nodes[1].node.get_and_clear_pending_msg_events(); + assert_eq!(events.len(), 1); + // Make sure the HTLC failed in the way we expect. + match events[0] { + MessageSendEvent::UpdateHTLCs { updates: msgs::CommitmentUpdate { ref update_fail_htlcs, .. }, .. } => { + assert_eq!(update_fail_htlcs.len(), 1); + update_fail_htlcs[0].clone() + }, + _ => 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); + + check_added_monitors!(nodes[1], 2); +} + +#[test] +fn test_chan_reserve_violation_outbound_htlc_inbound_chan() { + let mut chanmon_cfgs = create_chanmon_cfgs(2); + // Set the fee rate for the channel very high, to the point where the fundee + // sending any 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 }; + 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 _ = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 100000, 95000000, InitFeatures::known(), InitFeatures::known()); + let logger = test_utils::TestLogger::new(); + + macro_rules! get_route_and_payment_hash { + ($recv_value: expr) => {{ + let (payment_preimage, payment_hash) = get_payment_preimage_hash!(nodes[1]); + let net_graph_msg_handler = &nodes[1].net_graph_msg_handler; + let route = get_route(&nodes[1].node.get_our_node_id(), &net_graph_msg_handler.network_graph.read().unwrap(), &nodes.first().unwrap().node.get_our_node_id(), None, &Vec::new(), $recv_value, TEST_FINAL_CLTV, &logger).unwrap(); + (route, payment_hash, payment_preimage) + }} + }; + + let (route, our_payment_hash, _) = get_route_and_payment_hash!(1000); + unwrap_send_err!(nodes[1].node.send_payment(&route, our_payment_hash, &None), true, APIError::ChannelUnavailable { ref err }, + assert_eq!(err, "Cannot send value that would put counterparty balance under holder-announced channel reserve value")); + assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty()); + nodes[1].logger.assert_log("lightning::ln::channelmanager".to_string(), "Cannot send value that would put counterparty balance under holder-announced channel reserve value".to_string(), 1); +} + +#[test] +fn test_chan_reserve_violation_inbound_htlc_outbound_channel() { + let mut chanmon_cfgs = create_chanmon_cfgs(2); + // Set the fee rate for the channel very high, to the point where the funder + // receiving 1 update_add_htlc would result in them closing the channel due + // to channel reserve violation. This close could also happen if the fee went + // up a more realistic amount, but many HTLCs were outstanding at the time of + // the update_add_htlc. + chanmon_cfgs[0].fee_estimator = test_utils::TestFeeEstimator { sat_per_kw: 6000 }; + chanmon_cfgs[1].fee_estimator = test_utils::TestFeeEstimator { sat_per_kw: 6000 }; + let node_cfgs = create_node_cfgs(2, &chanmon_cfgs); + let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]); + let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs); + let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 100000, 95000000, InitFeatures::known(), InitFeatures::known()); + let logger = test_utils::TestLogger::new(); + + macro_rules! get_route_and_payment_hash { + ($recv_value: expr) => {{ + let (payment_preimage, payment_hash) = get_payment_preimage_hash!(nodes[1]); + let net_graph_msg_handler = &nodes[0].net_graph_msg_handler; + let route = get_route(&nodes[1].node.get_our_node_id(), &net_graph_msg_handler.network_graph.read().unwrap(), &nodes.first().unwrap().node.get_our_node_id(), None, &Vec::new(), $recv_value, TEST_FINAL_CLTV, &logger).unwrap(); + (route, payment_hash, payment_preimage) + }} + }; + + let (route, payment_hash, _) = get_route_and_payment_hash!(1000); + // Need to manually create the update_add_htlc message to go around the channel reserve check in send_htlc() + let secp_ctx = Secp256k1::new(); + let session_priv = SecretKey::from_slice(&[42; 32]).unwrap(); + let cur_height = nodes[1].node.latest_block_height.load(Ordering::Acquire) as u32 + 1; + let onion_keys = onion_utils::construct_onion_keys(&secp_ctx, &route.paths[0], &session_priv).unwrap(); + let (onion_payloads, htlc_msat, htlc_cltv) = onion_utils::build_onion_payloads(&route.paths[0], 1000, &None, cur_height).unwrap(); + let onion_packet = onion_utils::construct_onion_packet(onion_payloads, onion_keys, [0; 32], &payment_hash); + let msg = msgs::UpdateAddHTLC { + channel_id: chan.2, + htlc_id: 1, + amount_msat: htlc_msat + 1, + payment_hash: payment_hash, + cltv_expiry: htlc_cltv, + onion_routing_packet: onion_packet, + }; + + nodes[0].node.handle_update_add_htlc(&nodes[1].node.get_our_node_id(), &msg); + // Check that the payment failed and the channel is closed in response to the malicious UpdateAdd. + nodes[0].logger.assert_log("lightning::ln::channelmanager".to_string(), "Cannot accept HTLC that would put our balance under counterparty-announced channel reserve value".to_string(), 1); + assert_eq!(nodes[0].node.list_channels().len(), 0); + let err_msg = check_closed_broadcast!(nodes[0], true).unwrap(); + assert_eq!(err_msg.data, "Cannot accept HTLC that would put our balance under counterparty-announced channel reserve value"); + check_added_monitors!(nodes[0], 1); +} + +#[test] +fn test_chan_reserve_violation_inbound_htlc_inbound_chan() { + 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); + let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 100000, 95000000, InitFeatures::known(), InitFeatures::known()); + let _ = create_announced_chan_between_nodes_with_value(&nodes, 1, 2, 100000, 95000000, InitFeatures::known(), InitFeatures::known()); + let logger = test_utils::TestLogger::new(); + + macro_rules! get_route_and_payment_hash { + ($recv_value: expr) => {{ + let (payment_preimage, payment_hash) = get_payment_preimage_hash!(nodes[0]); + let net_graph_msg_handler = &nodes[0].net_graph_msg_handler; + let route = get_route(&nodes[0].node.get_our_node_id(), &net_graph_msg_handler.network_graph.read().unwrap(), &nodes.last().unwrap().node.get_our_node_id(), None, &Vec::new(), $recv_value, TEST_FINAL_CLTV, &logger).unwrap(); + (route, payment_hash, payment_preimage) + }} + }; + + let feemsat = 239; + let total_routing_fee_msat = (nodes.len() - 2) as u64 * feemsat; + let chan_stat = get_channel_value_stat!(nodes[0], chan.2); + let feerate = get_feerate!(nodes[0], chan.2); + + // Add a 2* and +1 for the fee spike reserve. + let commit_tx_fee_2_htlc = 2*commit_tx_fee_msat(feerate, 2 + 1); + let recv_value_1 = (chan_stat.value_to_self_msat - chan_stat.channel_reserve_msat - total_routing_fee_msat - commit_tx_fee_2_htlc)/2; + let amt_msat_1 = recv_value_1 + total_routing_fee_msat; + + // Add a pending HTLC. + let (route_1, our_payment_hash_1, _) = get_route_and_payment_hash!(amt_msat_1); + let payment_event_1 = { + nodes[0].node.send_payment(&route_1, our_payment_hash_1, &None).unwrap(); + check_added_monitors!(nodes[0], 1); + + let mut events = nodes[0].node.get_and_clear_pending_msg_events(); + assert_eq!(events.len(), 1); + SendEvent::from_event(events.remove(0)) + }; + nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &payment_event_1.msgs[0]); + + // Attempt to trigger a channel reserve violation --> payment failure. + let commit_tx_fee_2_htlcs = commit_tx_fee_msat(feerate, 2); + let recv_value_2 = chan_stat.value_to_self_msat - amt_msat_1 - chan_stat.channel_reserve_msat - total_routing_fee_msat - commit_tx_fee_2_htlcs + 1; + let amt_msat_2 = recv_value_2 + total_routing_fee_msat; + let (route_2, _, _) = get_route_and_payment_hash!(amt_msat_2); + + // Need to manually create the update_add_htlc message to go around the channel reserve check in send_htlc() + let secp_ctx = Secp256k1::new(); + let session_priv = SecretKey::from_slice(&[42; 32]).unwrap(); + let cur_height = nodes[0].node.latest_block_height.load(Ordering::Acquire) as u32 + 1; + let onion_keys = onion_utils::construct_onion_keys(&secp_ctx, &route_2.paths[0], &session_priv).unwrap(); + let (onion_payloads, htlc_msat, htlc_cltv) = onion_utils::build_onion_payloads(&route_2.paths[0], recv_value_2, &None, cur_height).unwrap(); + let onion_packet = onion_utils::construct_onion_packet(onion_payloads, onion_keys, [0; 32], &our_payment_hash_1); + let msg = msgs::UpdateAddHTLC { + channel_id: chan.2, + htlc_id: 1, + amount_msat: htlc_msat + 1, + payment_hash: our_payment_hash_1, + cltv_expiry: htlc_cltv, + onion_routing_packet: onion_packet, + }; + + nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &msg); + // Check that the payment failed and the channel is closed in response to the malicious UpdateAdd. + nodes[1].logger.assert_log("lightning::ln::channelmanager".to_string(), "Remote HTLC add would put them under remote reserve value".to_string(), 1); + assert_eq!(nodes[1].node.list_channels().len(), 1); + let err_msg = check_closed_broadcast!(nodes[1], true).unwrap(); + assert_eq!(err_msg.data, "Remote HTLC add would put them under remote reserve value"); + check_added_monitors!(nodes[1], 1); +} + +#[test] +fn test_inbound_outbound_capacity_is_not_zero() { + 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 _ = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 100000, 95000000, InitFeatures::known(), InitFeatures::known()); + let channels0 = node_chanmgrs[0].list_channels(); + let channels1 = node_chanmgrs[1].list_channels(); + 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); + + assert_eq!(channels0[0].outbound_capacity_msat, 100000 * 1000 - 95000000); + assert_eq!(channels1[0].inbound_capacity_msat, 100000 * 1000 - 95000000); +} +fn commit_tx_fee_msat(feerate: u32, num_htlcs: u64) -> u64 { + (COMMITMENT_TX_BASE_WEIGHT + num_htlcs * COMMITMENT_TX_WEIGHT_PER_HTLC) * feerate as u64 / 1000 * 1000 +} + +#[test] +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]); let mut nodes = create_network(3, &node_cfgs, &node_chanmgrs); - let chan_1 = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1900, 1001, InitFeatures::known(), InitFeatures::known()); - let chan_2 = create_announced_chan_between_nodes_with_value(&nodes, 1, 2, 1900, 1001, InitFeatures::known(), InitFeatures::known()); + 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 logger = test_utils::TestLogger::new(); let mut stat01 = get_channel_value_stat!(nodes[0], chan_1.2); @@ -1540,7 +1937,7 @@ fn do_channel_reserve_test(test_recv: bool) { ($recv_value: expr) => {{ let (payment_preimage, payment_hash) = get_payment_preimage_hash!(nodes[0]); let net_graph_msg_handler = &nodes[0].net_graph_msg_handler; - let route = get_route(&nodes[0].node.get_our_node_id(), net_graph_msg_handler, &nodes.last().unwrap().node.get_our_node_id(), None, &Vec::new(), $recv_value, TEST_FINAL_CLTV, &logger).unwrap(); + let route = get_route(&nodes[0].node.get_our_node_id(), &net_graph_msg_handler.network_graph.read().unwrap(), &nodes.last().unwrap().node.get_our_node_id(), None, &Vec::new(), $recv_value, TEST_FINAL_CLTV, &logger).unwrap(); (route, payment_hash, payment_preimage) }} }; @@ -1556,30 +1953,34 @@ fn do_channel_reserve_test(test_recv: bool) { } let feemsat = 239; // somehow we know? - let total_fee_msat = (nodes.len() - 2) as u64 * 239; + let total_fee_msat = (nodes.len() - 2) as u64 * feemsat; + let feerate = get_feerate!(nodes[0], chan_1.2); - let recv_value_0 = stat01.their_max_htlc_value_in_flight_msat - total_fee_msat; + let recv_value_0 = stat01.counterparty_max_htlc_value_in_flight_msat - total_fee_msat; // attempt to send amt_msat > their_max_htlc_value_in_flight_msat { let (route, our_payment_hash, _) = get_route_and_payment_hash!(recv_value_0 + 1); assert!(route.paths[0].iter().rev().skip(1).all(|h| h.fee_msat == feemsat)); - unwrap_send_err!(nodes[0].node.send_payment(&route, our_payment_hash, &None), true, APIError::ChannelUnavailable { err }, - assert_eq!(err, "Cannot send value that would put us over the max HTLC value in flight our peer will accept")); + unwrap_send_err!(nodes[0].node.send_payment(&route, our_payment_hash, &None), true, APIError::ChannelUnavailable { ref err }, + assert!(regex::Regex::new(r"Cannot send value that would put us over the max HTLC value in flight our peer will accept \(\d+\)").unwrap().is_match(err))); assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty()); - nodes[0].logger.assert_log("lightning::ln::channelmanager".to_string(), "Cannot send value that would put us over the max HTLC value in flight our peer will accept".to_string(), 1); + nodes[0].logger.assert_log_contains("lightning::ln::channelmanager".to_string(), "Cannot send value that would put us over the max HTLC value in flight our peer will accept".to_string(), 1); } - let mut htlc_id = 0; // channel reserve is bigger than their_max_htlc_value_in_flight_msat so loop to deplete // nodes[0]'s wealth loop { let amt_msat = recv_value_0 + total_fee_msat; - if stat01.value_to_self_msat - amt_msat < stat01.channel_reserve_msat { + // 3 for the 3 HTLCs that will be sent, 2* and +1 for the fee spike reserve. + // Also, ensure that each payment has enough to be over the dust limit to + // ensure it'll be included in each commit tx fee calculation. + let commit_tx_fee_all_htlcs = 2*commit_tx_fee_msat(feerate, 3 + 1); + let ensure_htlc_amounts_above_dust_buffer = 3 * (stat01.counterparty_dust_limit_msat + 1000); + if stat01.value_to_self_msat < stat01.channel_reserve_msat + commit_tx_fee_all_htlcs + ensure_htlc_amounts_above_dust_buffer + amt_msat { break; } send_payment(&nodes[0], &vec![&nodes[1], &nodes[2]][..], recv_value_0, recv_value_0); - htlc_id += 1; let (stat01_, stat11_, stat12_, stat22_) = ( get_channel_value_stat!(nodes[0], chan_1.2), @@ -1595,18 +1996,19 @@ fn do_channel_reserve_test(test_recv: bool) { stat01 = stat01_; stat11 = stat11_; stat12 = stat12_; stat22 = stat22_; } - { - let recv_value = stat01.value_to_self_msat - stat01.channel_reserve_msat - total_fee_msat; - // attempt to get channel_reserve violation - let (route, our_payment_hash, _) = get_route_and_payment_hash!(recv_value + 1); - unwrap_send_err!(nodes[0].node.send_payment(&route, our_payment_hash, &None), true, APIError::ChannelUnavailable { err }, - assert_eq!(err, "Cannot send value that would put us under local channel reserve value")); - assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty()); - nodes[0].logger.assert_log("lightning::ln::channelmanager".to_string(), "Cannot send value that would put us under local channel reserve value".to_string(), 1); - } - - // adding pending output - let recv_value_1 = (stat01.value_to_self_msat - stat01.channel_reserve_msat - total_fee_msat)/2; + // adding pending output. + // 2* and +1 HTLCs on the commit tx fee for the fee spike reserve. + // The reason we're dividing by two here is as follows: the dividend is the total outbound liquidity + // after fees, the channel reserve, and the fee spike buffer are removed. We eventually want to + // divide this quantity into 3 portions, that will each be sent in an HTLC. This allows us + // to test channel channel reserve policy at the edges of what amount is sendable, i.e. + // cases where 1 msat over X amount will cause a payment failure, but anything less than + // that can be sent successfully. So, dividing by two is a somewhat arbitrary way of getting + // the amount of the first of these aforementioned 3 payments. The reason we split into 3 payments + // is to test the behavior of the holding cell with respect to channel reserve and commit tx fee + // policy. + let commit_tx_fee_2_htlcs = 2*commit_tx_fee_msat(feerate, 2 + 1); + let recv_value_1 = (stat01.value_to_self_msat - stat01.channel_reserve_msat - total_fee_msat - commit_tx_fee_2_htlcs)/2; let amt_msat_1 = recv_value_1 + total_fee_msat; let (route_1, our_payment_hash_1, our_payment_preimage_1) = get_route_and_payment_hash!(recv_value_1); @@ -1621,59 +2023,22 @@ fn do_channel_reserve_test(test_recv: bool) { nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &payment_event_1.msgs[0]); // channel reserve test with htlc pending output > 0 - let recv_value_2 = stat01.value_to_self_msat - amt_msat_1 - stat01.channel_reserve_msat - total_fee_msat; + let recv_value_2 = stat01.value_to_self_msat - amt_msat_1 - stat01.channel_reserve_msat - total_fee_msat - commit_tx_fee_2_htlcs; { let (route, our_payment_hash, _) = get_route_and_payment_hash!(recv_value_2 + 1); - unwrap_send_err!(nodes[0].node.send_payment(&route, our_payment_hash, &None), true, APIError::ChannelUnavailable { err }, - assert_eq!(err, "Cannot send value that would put us under local channel reserve value")); + unwrap_send_err!(nodes[0].node.send_payment(&route, our_payment_hash, &None), true, APIError::ChannelUnavailable { ref err }, + assert!(regex::Regex::new(r"Cannot send value that would put our balance under counterparty-announced channel reserve value \(\d+\)").unwrap().is_match(err))); assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty()); - nodes[0].logger.assert_log("lightning::ln::channelmanager".to_string(), "Cannot send value that would put us under local channel reserve value".to_string(), 2); - } - - { - // test channel_reserve test on nodes[1] side - let (route, our_payment_hash, _) = get_route_and_payment_hash!(recv_value_2 + 1); - - // Need to manually create update_add_htlc message to go around the channel reserve check in send_htlc() - let secp_ctx = Secp256k1::new(); - let session_priv = SecretKey::from_slice(&{ - let mut session_key = [0; 32]; - let mut rng = thread_rng(); - rng.fill_bytes(&mut session_key); - session_key - }).expect("RNG is bad!"); - - let cur_height = nodes[0].node.latest_block_height.load(Ordering::Acquire) as u32 + 1; - let onion_keys = onion_utils::construct_onion_keys(&secp_ctx, &route.paths[0], &session_priv).unwrap(); - let (onion_payloads, htlc_msat, htlc_cltv) = onion_utils::build_onion_payloads(&route.paths[0], recv_value_2 + 1, &None, cur_height).unwrap(); - let onion_packet = onion_utils::construct_onion_packet(onion_payloads, onion_keys, [0; 32], &our_payment_hash); - let msg = msgs::UpdateAddHTLC { - channel_id: chan_1.2, - htlc_id, - amount_msat: htlc_msat, - payment_hash: our_payment_hash, - cltv_expiry: htlc_cltv, - onion_routing_packet: onion_packet, - }; - - if test_recv { - nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &msg); - // If we send a garbage message, the channel should get closed, making the rest of this test case fail. - assert_eq!(nodes[1].node.list_channels().len(), 1); - assert_eq!(nodes[1].node.list_channels().len(), 1); - let err_msg = check_closed_broadcast!(nodes[1], true).unwrap(); - assert_eq!(err_msg.data, "Remote HTLC add would put them under their reserve value"); - check_added_monitors!(nodes[1], 1); - return; - } } // split the rest to test holding cell - let recv_value_21 = recv_value_2/2; - let recv_value_22 = recv_value_2 - recv_value_21 - total_fee_msat; + let commit_tx_fee_3_htlcs = 2*commit_tx_fee_msat(feerate, 3 + 1); + let additional_htlc_cost_msat = commit_tx_fee_3_htlcs - commit_tx_fee_2_htlcs; + let recv_value_21 = recv_value_2/2 - additional_htlc_cost_msat/2; + let recv_value_22 = recv_value_2 - recv_value_21 - total_fee_msat - additional_htlc_cost_msat; { let stat = get_channel_value_stat!(nodes[0], chan_1.2); - assert_eq!(stat.value_to_self_msat - (stat.pending_outbound_htlcs_amount_msat + recv_value_21 + recv_value_22 + total_fee_msat + total_fee_msat), stat.channel_reserve_msat); + assert_eq!(stat.value_to_self_msat - (stat.pending_outbound_htlcs_amount_msat + recv_value_21 + recv_value_22 + total_fee_msat + total_fee_msat + commit_tx_fee_3_htlcs), stat.channel_reserve_msat); } // now see if they go through on both sides @@ -1687,10 +2052,10 @@ fn do_channel_reserve_test(test_recv: bool) { // test with outbound holding cell amount > 0 { let (route, our_payment_hash, _) = get_route_and_payment_hash!(recv_value_22+1); - unwrap_send_err!(nodes[0].node.send_payment(&route, our_payment_hash, &None), true, APIError::ChannelUnavailable { err }, - assert_eq!(err, "Cannot send value that would put us under local channel reserve value")); + unwrap_send_err!(nodes[0].node.send_payment(&route, our_payment_hash, &None), true, APIError::ChannelUnavailable { ref err }, + assert!(regex::Regex::new(r"Cannot send value that would put our balance under counterparty-announced channel reserve value \(\d+\)").unwrap().is_match(err))); assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty()); - nodes[0].logger.assert_log("lightning::ln::channelmanager".to_string(), "Cannot send value that would put us under local channel reserve value".to_string(), 3); + nodes[0].logger.assert_log_contains("lightning::ln::channelmanager".to_string(), "Cannot send value that would put our balance under counterparty-announced channel reserve value".to_string(), 2); } let (route_22, our_payment_hash_22, our_payment_preimage_22) = get_route_and_payment_hash!(recv_value_22); @@ -1705,6 +2070,7 @@ fn do_channel_reserve_test(test_recv: bool) { let (as_revoke_and_ack, as_commitment_signed) = get_revoke_commit_msgs!(nodes[1], nodes[0].node.get_our_node_id()); check_added_monitors!(nodes[1], 1); + // the pending htlc should be promoted to committed nodes[0].node.handle_revoke_and_ack(&nodes[1].node.get_our_node_id(), &as_revoke_and_ack); check_added_monitors!(nodes[0], 1); let commitment_update_2 = get_htlc_update_msgs!(nodes[0], nodes[1].node.get_our_node_id()); @@ -1765,19 +2131,35 @@ fn do_channel_reserve_test(test_recv: bool) { claim_payment(&nodes[0], &vec!(&nodes[1], &nodes[2]), our_payment_preimage_21, recv_value_21); claim_payment(&nodes[0], &vec!(&nodes[1], &nodes[2]), our_payment_preimage_22, recv_value_22); - let expected_value_to_self = stat01.value_to_self_msat - (recv_value_1 + total_fee_msat) - (recv_value_21 + total_fee_msat) - (recv_value_22 + total_fee_msat); + let commit_tx_fee_0_htlcs = 2*commit_tx_fee_msat(feerate, 1); + let recv_value_3 = commit_tx_fee_2_htlcs - commit_tx_fee_0_htlcs - total_fee_msat; + { + let (route, our_payment_hash, _) = get_route_and_payment_hash!(recv_value_3 + 1); + let err = nodes[0].node.send_payment(&route, our_payment_hash, &None).err().unwrap(); + match err { + PaymentSendFailure::AllFailedRetrySafe(ref fails) => { + match &fails[0] { + &APIError::ChannelUnavailable{ref err} => + assert!(regex::Regex::new(r"Cannot send value that would put our balance under counterparty-announced channel reserve value \(\d+\)").unwrap().is_match(err)), + _ => panic!("Unexpected error variant"), + } + }, + _ => panic!("Unexpected error variant"), + } + assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty()); + nodes[0].logger.assert_log_contains("lightning::ln::channelmanager".to_string(), "Cannot send value that would put our balance under counterparty-announced channel reserve value".to_string(), 3); + } + + send_payment(&nodes[0], &vec![&nodes[1], &nodes[2]][..], recv_value_3, recv_value_3); + + let commit_tx_fee_1_htlc = 2*commit_tx_fee_msat(feerate, 1 + 1); + let expected_value_to_self = stat01.value_to_self_msat - (recv_value_1 + total_fee_msat) - (recv_value_21 + total_fee_msat) - (recv_value_22 + total_fee_msat) - (recv_value_3 + total_fee_msat); let stat0 = get_channel_value_stat!(nodes[0], chan_1.2); assert_eq!(stat0.value_to_self_msat, expected_value_to_self); - assert_eq!(stat0.value_to_self_msat, stat0.channel_reserve_msat); + assert_eq!(stat0.value_to_self_msat, stat0.channel_reserve_msat + commit_tx_fee_1_htlc); let stat2 = get_channel_value_stat!(nodes[2], chan_2.2); - assert_eq!(stat2.value_to_self_msat, stat22.value_to_self_msat + recv_value_1 + recv_value_21 + recv_value_22); -} - -#[test] -fn channel_reserve_test() { - do_channel_reserve_test(false); - do_channel_reserve_test(true); + assert_eq!(stat2.value_to_self_msat, stat22.value_to_self_msat + recv_value_1 + recv_value_21 + recv_value_22 + recv_value_3); } #[test] @@ -1820,7 +2202,7 @@ fn channel_reserve_in_flight_removes() { let (payment_preimage_3, payment_hash_3) = get_payment_preimage_hash!(nodes[0]); let send_1 = { let net_graph_msg_handler = &nodes[0].net_graph_msg_handler; - let route = get_route(&nodes[0].node.get_our_node_id(), net_graph_msg_handler, &nodes[1].node.get_our_node_id(), None, &[], 100000, TEST_FINAL_CLTV, &logger).unwrap(); + 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(), None, &[], 100000, TEST_FINAL_CLTV, &logger).unwrap(); nodes[0].node.send_payment(&route, payment_hash_3, &None).unwrap(); check_added_monitors!(nodes[0], 1); let mut events = nodes[0].node.get_and_clear_pending_msg_events(); @@ -1893,7 +2275,7 @@ fn channel_reserve_in_flight_removes() { let (payment_preimage_4, payment_hash_4) = get_payment_preimage_hash!(nodes[1]); let send_2 = { let net_graph_msg_handler = &nodes[1].net_graph_msg_handler; - let route = get_route(&nodes[1].node.get_our_node_id(), net_graph_msg_handler, &nodes[0].node.get_our_node_id(), None, &[], 10000, TEST_FINAL_CLTV, &logger).unwrap(); + let route = get_route(&nodes[1].node.get_our_node_id(), &net_graph_msg_handler.network_graph.read().unwrap(), &nodes[0].node.get_our_node_id(), None, &[], 10000, TEST_FINAL_CLTV, &logger).unwrap(); nodes[1].node.send_payment(&route, payment_hash_4, &None).unwrap(); check_added_monitors!(nodes[1], 1); let mut events = nodes[1].node.get_and_clear_pending_msg_events(); @@ -1960,7 +2342,7 @@ fn channel_monitor_network_test() { { let mut node_txn = test_txn_broadcast(&nodes[1], &chan_1, None, HTLCType::NONE); let header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; - nodes[0].block_notifier.block_connected(&Block { header, txdata: vec![node_txn.drain(..).next().unwrap()] }, 1); + connect_block(&nodes[0], &Block { header, txdata: vec![node_txn.drain(..).next().unwrap()] }, 1); check_added_monitors!(nodes[0], 1); test_txn_broadcast(&nodes[0], &chan_1, None, HTLCType::NONE); } @@ -1977,7 +2359,7 @@ fn channel_monitor_network_test() { { let mut node_txn = test_txn_broadcast(&nodes[1], &chan_2, None, HTLCType::TIMEOUT); let header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; - nodes[2].block_notifier.block_connected(&Block { header, txdata: vec![node_txn.drain(..).next().unwrap()] }, 1); + connect_block(&nodes[2], &Block { header, txdata: vec![node_txn.drain(..).next().unwrap()] }, 1); check_added_monitors!(nodes[2], 1); test_txn_broadcast(&nodes[2], &chan_2, None, HTLCType::NONE); } @@ -2018,7 +2400,7 @@ fn channel_monitor_network_test() { claim_funds!(nodes[3], nodes[2], payment_preimage_1, 3_000_000); let header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; - nodes[3].block_notifier.block_connected(&Block { header, txdata: vec![node_txn[0].clone()] }, 1); + connect_block(&nodes[3], &Block { header, txdata: vec![node_txn[0].clone()] }, 1); check_added_monitors!(nodes[3], 1); check_preimage_claim(&nodes[3], &node_txn); @@ -2029,7 +2411,7 @@ fn channel_monitor_network_test() { { // Cheat and reset nodes[4]'s height to 1 let header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; - nodes[4].block_notifier.block_connected(&Block { header, txdata: vec![] }, 1); + connect_block(&nodes[4], &Block { header, txdata: vec![] }, 1); } assert_eq!(nodes[3].node.latest_block_height.load(Ordering::Acquire), 1); @@ -2039,13 +2421,27 @@ fn channel_monitor_network_test() { // CLTV expires at TEST_FINAL_CLTV + 1 (current height) + 1 (added in send_payment for // buffer space). - { - let mut header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; - nodes[3].block_notifier.block_connected_checked(&header, 2, &Vec::new()[..], &[0; 0]); + let (close_chan_update_1, close_chan_update_2) = { + let mut block = Block { + header: BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }, + txdata: vec![], + }; + connect_block(&nodes[3], &block, 2); for i in 3..TEST_FINAL_CLTV + 2 + LATENCY_GRACE_PERIOD_BLOCKS + 1 { - header = BlockHeader { version: 0x20000000, prev_blockhash: header.bitcoin_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; - nodes[3].block_notifier.block_connected_checked(&header, i, &Vec::new()[..], &[0; 0]); + block = Block { + header: BlockHeader { version: 0x20000000, prev_blockhash: block.block_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }, + txdata: vec![], + }; + connect_block(&nodes[3], &block, i); } + let events = nodes[3].node.get_and_clear_pending_msg_events(); + assert_eq!(events.len(), 1); + let close_chan_update_1 = match events[0] { + MessageSendEvent::BroadcastChannelUpdate { ref msg } => { + msg.clone() + }, + _ => panic!("Unexpected event"), + }; check_added_monitors!(nodes[3], 1); // Clear bumped claiming txn spending node 2 commitment tx. Bumped txn are generated after reaching some height timer. @@ -2063,23 +2459,41 @@ fn channel_monitor_network_test() { // Claim the payment on nodes[4], giving it knowledge of the preimage claim_funds!(nodes[4], nodes[3], payment_preimage_2, 3_000_000); - header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; + block = Block { + header: BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }, + txdata: vec![], + }; - nodes[4].block_notifier.block_connected_checked(&header, 2, &Vec::new()[..], &[0; 0]); + connect_block(&nodes[4], &block, 2); for i in 3..TEST_FINAL_CLTV + 2 - CLTV_CLAIM_BUFFER + 1 { - header = BlockHeader { version: 0x20000000, prev_blockhash: header.bitcoin_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; - nodes[4].block_notifier.block_connected_checked(&header, i, &Vec::new()[..], &[0; 0]); + block = Block { + header: BlockHeader { version: 0x20000000, prev_blockhash: block.block_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }, + txdata: vec![], + }; + connect_block(&nodes[4], &block, i); } - + let events = nodes[4].node.get_and_clear_pending_msg_events(); + assert_eq!(events.len(), 1); + let close_chan_update_2 = match events[0] { + MessageSendEvent::BroadcastChannelUpdate { ref msg } => { + msg.clone() + }, + _ => panic!("Unexpected event"), + }; check_added_monitors!(nodes[4], 1); test_txn_broadcast(&nodes[4], &chan_4, None, HTLCType::SUCCESS); - header = BlockHeader { version: 0x20000000, prev_blockhash: header.bitcoin_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; - nodes[4].block_notifier.block_connected(&Block { header, txdata: vec![node_txn[0].clone()] }, TEST_FINAL_CLTV - 5); + block = Block { + header: BlockHeader { version: 0x20000000, prev_blockhash: block.block_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }, + txdata: vec![node_txn[0].clone()], + }; + connect_block(&nodes[4], &block, TEST_FINAL_CLTV - 5); check_preimage_claim(&nodes[4], &node_txn); - } - get_announce_close_broadcast_events(&nodes, 3, 4); + (close_chan_update_1, close_chan_update_2) + }; + nodes[3].net_graph_msg_handler.handle_channel_update(&close_chan_update_2).unwrap(); + nodes[4].net_graph_msg_handler.handle_channel_update(&close_chan_update_1).unwrap(); assert_eq!(nodes[3].node.list_channels().len(), 0); assert_eq!(nodes[4].node.list_channels().len(), 0); } @@ -2119,7 +2533,7 @@ fn test_justice_tx() { { let mut header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; - nodes[1].block_notifier.block_connected(&Block { header, txdata: vec![revoked_local_txn[0].clone()] }, 1); + connect_block(&nodes[1], &Block { header, txdata: vec![revoked_local_txn[0].clone()] }, 1); { let mut node_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap(); assert_eq!(node_txn.len(), 2); // ChannelMonitor: penalty tx, ChannelManager: local commitment tx @@ -2132,13 +2546,13 @@ fn test_justice_tx() { check_added_monitors!(nodes[1], 1); test_txn_broadcast(&nodes[1], &chan_5, None, HTLCType::NONE); - nodes[0].block_notifier.block_connected(&Block { header, txdata: vec![revoked_local_txn[0].clone()] }, 1); + connect_block(&nodes[0], &Block { header, txdata: vec![revoked_local_txn[0].clone()] }, 1); // Verify broadcast of revoked HTLC-timeout let node_txn = test_txn_broadcast(&nodes[0], &chan_5, Some(revoked_local_txn[0].clone()), HTLCType::TIMEOUT); - header = BlockHeader { version: 0x20000000, prev_blockhash: header.bitcoin_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; + header = BlockHeader { version: 0x20000000, prev_blockhash: header.block_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; check_added_monitors!(nodes[0], 1); // Broadcast revoked HTLC-timeout on node 1 - nodes[1].block_notifier.block_connected(&Block { header, txdata: vec![node_txn[1].clone()] }, 1); + connect_block(&nodes[1], &Block { header, txdata: vec![node_txn[1].clone()] }, 1); test_revoked_htlc_claim_txn_broadcast(&nodes[1], node_txn[1].clone(), revoked_local_txn[0].clone()); } get_announce_close_broadcast_events(&nodes, 0, 1); @@ -2166,7 +2580,7 @@ fn test_justice_tx() { claim_payment(&nodes[0], &vec!(&nodes[1])[..], payment_preimage_4, 3_000_000); { let mut header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; - nodes[0].block_notifier.block_connected(&Block { header, txdata: vec![revoked_local_txn[0].clone()] }, 1); + connect_block(&nodes[0], &Block { header, txdata: vec![revoked_local_txn[0].clone()] }, 1); { let mut node_txn = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap(); assert_eq!(node_txn.len(), 2); //ChannelMonitor: penalty tx, ChannelManager: local commitment tx @@ -2178,11 +2592,11 @@ fn test_justice_tx() { check_added_monitors!(nodes[0], 1); test_txn_broadcast(&nodes[0], &chan_6, None, HTLCType::NONE); - nodes[1].block_notifier.block_connected(&Block { header, txdata: vec![revoked_local_txn[0].clone()] }, 1); + connect_block(&nodes[1], &Block { header, txdata: vec![revoked_local_txn[0].clone()] }, 1); let node_txn = test_txn_broadcast(&nodes[1], &chan_6, Some(revoked_local_txn[0].clone()), HTLCType::SUCCESS); - header = BlockHeader { version: 0x20000000, prev_blockhash: header.bitcoin_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; + header = BlockHeader { version: 0x20000000, prev_blockhash: header.block_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; check_added_monitors!(nodes[1], 1); - nodes[0].block_notifier.block_connected(&Block { header, txdata: vec![node_txn[1].clone()] }, 1); + connect_block(&nodes[0], &Block { header, txdata: vec![node_txn[1].clone()] }, 1); test_revoked_htlc_claim_txn_broadcast(&nodes[0], node_txn[1].clone(), revoked_local_txn[0].clone()); } get_announce_close_broadcast_events(&nodes, 0, 1); @@ -2209,7 +2623,7 @@ fn revoked_output_claim() { // Inform nodes[1] that nodes[0] broadcast a stale tx let header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; - nodes[1].block_notifier.block_connected(&Block { header, txdata: vec![revoked_local_txn[0].clone()] }, 1); + connect_block(&nodes[1], &Block { header, txdata: vec![revoked_local_txn[0].clone()] }, 1); check_added_monitors!(nodes[1], 1); let node_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap(); assert_eq!(node_txn.len(), 2); // ChannelMonitor: justice tx against revoked to_local output, ChannelManager: local commitment tx @@ -2218,7 +2632,7 @@ fn revoked_output_claim() { check_spends!(node_txn[1], chan_1.3); // Inform nodes[0] that a watchtower cheated on its behalf, so it will force-close the chan - nodes[0].block_notifier.block_connected(&Block { header, txdata: vec![revoked_local_txn[0].clone()] }, 1); + connect_block(&nodes[0], &Block { header, txdata: vec![revoked_local_txn[0].clone()] }, 1); get_announce_close_broadcast_events(&nodes, 0, 1); check_added_monitors!(nodes[0], 1) } @@ -2255,11 +2669,11 @@ fn claim_htlc_outputs_shared_tx() { { let header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; - nodes[0].block_notifier.block_connected(&Block { header, txdata: vec![revoked_local_txn[0].clone()] }, 1); + connect_block(&nodes[0], &Block { header, txdata: vec![revoked_local_txn[0].clone()] }, 1); check_added_monitors!(nodes[0], 1); - nodes[1].block_notifier.block_connected(&Block { header, txdata: vec![revoked_local_txn[0].clone()] }, 1); + connect_block(&nodes[1], &Block { header, txdata: vec![revoked_local_txn[0].clone()] }, 1); check_added_monitors!(nodes[1], 1); - connect_blocks(&nodes[1].block_notifier, ANTI_REORG_DELAY - 1, 1, true, header.bitcoin_hash()); + connect_blocks(&nodes[1], ANTI_REORG_DELAY - 1, 1, true, header.block_hash()); expect_payment_failed!(nodes[1], payment_hash_2, true); let node_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap(); @@ -2318,13 +2732,13 @@ fn claim_htlc_outputs_single_tx() { { let header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; - nodes[0].block_notifier.block_connected(&Block { header, txdata: vec![revoked_local_txn[0].clone()] }, 200); + connect_block(&nodes[0], &Block { header, txdata: vec![revoked_local_txn[0].clone()] }, 200); check_added_monitors!(nodes[0], 1); - nodes[1].block_notifier.block_connected(&Block { header, txdata: vec![revoked_local_txn[0].clone()] }, 200); + connect_block(&nodes[1], &Block { header, txdata: vec![revoked_local_txn[0].clone()] }, 200); check_added_monitors!(nodes[1], 1); expect_pending_htlcs_forwardable_ignore!(nodes[0]); - connect_blocks(&nodes[1].block_notifier, ANTI_REORG_DELAY - 1, 200, true, header.bitcoin_hash()); + connect_blocks(&nodes[1], ANTI_REORG_DELAY - 1, 200, true, header.block_hash()); expect_payment_failed!(nodes[1], payment_hash_2, true); let node_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap(); @@ -2367,8 +2781,8 @@ fn claim_htlc_outputs_single_tx() { #[test] fn test_htlc_on_chain_success() { - // Test that in case of a unilateral close onchain, we detect the state of output thanks to - // ChainWatchInterface and pass the preimage backward accordingly. So here we test that ChannelManager is + // Test that in case of a unilateral close onchain, we detect the state of output and pass + // the preimage backward accordingly. So here we test that ChannelManager is // broadcasting the right event to other nodes in payment path. // We test with two HTLCs simultaneously as that was not handled correctly in the past. // A --------------------> B ----------------------> C (preimage) @@ -2412,7 +2826,7 @@ fn test_htlc_on_chain_success() { assert!(updates.update_fail_malformed_htlcs.is_empty()); assert_eq!(updates.update_fulfill_htlcs.len(), 1); - nodes[2].block_notifier.block_connected(&Block { header, txdata: vec![commitment_tx[0].clone()]}, 1); + connect_block(&nodes[2], &Block { header, txdata: vec![commitment_tx[0].clone()]}, 1); check_closed_broadcast!(nodes[2], false); check_added_monitors!(nodes[2], 1); let node_txn = nodes[2].tx_broadcaster.txn_broadcasted.lock().unwrap().clone(); // ChannelManager : 3 (commitment tx, 2*htlc-success tx), ChannelMonitor : 2 (2 * HTLC-Success tx) @@ -2430,16 +2844,16 @@ fn test_htlc_on_chain_success() { assert_eq!(node_txn[1].lock_time, 0); // Verify that B's ChannelManager is able to extract preimage from HTLC Success tx and pass it backward - nodes[1].block_notifier.block_connected(&Block { header, txdata: node_txn}, 1); + connect_block(&nodes[1], &Block { header, txdata: node_txn}, 1); { - let mut added_monitors = nodes[1].chan_monitor.added_monitors.lock().unwrap(); + let mut added_monitors = nodes[1].chain_monitor.added_monitors.lock().unwrap(); assert_eq!(added_monitors.len(), 1); assert_eq!(added_monitors[0].0.txid, chan_2.3.txid()); added_monitors.clear(); } let events = nodes[1].node.get_and_clear_pending_msg_events(); { - let mut added_monitors = nodes[1].chan_monitor.added_monitors.lock().unwrap(); + let mut added_monitors = nodes[1].chain_monitor.added_monitors.lock().unwrap(); assert_eq!(added_monitors.len(), 2); assert_eq!(added_monitors[0].0.txid, chan_1.3.txid()); assert_eq!(added_monitors[1].0.txid, chan_1.3.txid()); @@ -2503,7 +2917,7 @@ fn test_htlc_on_chain_success() { // 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); - nodes[1].block_notifier.block_connected(&Block { header, txdata: vec![commitment_tx[0].clone()]}, 1); + connect_block(&nodes[1], &Block { header, txdata: vec![commitment_tx[0].clone()]}, 1); check_closed_broadcast!(nodes[1], false); 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) @@ -2522,7 +2936,7 @@ fn test_htlc_on_chain_success() { // we already checked the same situation with A. // Verify that A's ChannelManager is able to extract preimage from preimage tx and generate PaymentSent - nodes[0].block_notifier.block_connected(&Block { header, txdata: vec![commitment_tx[0].clone(), node_txn[0].clone()] }, 1); + connect_block(&nodes[0], &Block { header, txdata: vec![commitment_tx[0].clone(), node_txn[0].clone()] }, 1); check_closed_broadcast!(nodes[0], false); check_added_monitors!(nodes[0], 1); let events = nodes[0].node.get_and_clear_pending_events(); @@ -2546,8 +2960,8 @@ fn test_htlc_on_chain_success() { #[test] fn test_htlc_on_chain_timeout() { - // Test that in case of a unilateral close onchain, we detect the state of output thanks to - // ChainWatchInterface and timeout the HTLC backward accordingly. So here we test that ChannelManager is + // Test that in case of a unilateral close onchain, we detect the state of output and + // timeout the HTLC backward accordingly. So here we test that ChannelManager is // broadcasting the right event to other nodes in payment path. // A ------------------> B ----------------------> C (timeout) // B's commitment tx C's commitment tx @@ -2590,7 +3004,7 @@ fn test_htlc_on_chain_timeout() { }, _ => panic!("Unexpected event"), }; - nodes[2].block_notifier.block_connected(&Block { header, txdata: vec![commitment_tx[0].clone()]}, 1); + connect_block(&nodes[2], &Block { header, txdata: vec![commitment_tx[0].clone()]}, 1); check_closed_broadcast!(nodes[2], false); check_added_monitors!(nodes[2], 1); let node_txn = nodes[2].tx_broadcaster.txn_broadcasted.lock().unwrap().clone(); // ChannelManager : 1 (commitment tx) @@ -2600,7 +3014,7 @@ fn test_htlc_on_chain_timeout() { // Broadcast timeout transaction by B on received output from C's commitment tx on B's chain // Verify that B's ChannelManager is able to detect that HTLC is timeout by its own tx and react backward in consequence - nodes[1].block_notifier.block_connected(&Block { header, txdata: vec![commitment_tx[0].clone()]}, 200); + connect_block(&nodes[1], &Block { header, txdata: vec![commitment_tx[0].clone()]}, 200); let timeout_tx; { let mut node_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap(); @@ -2620,8 +3034,8 @@ fn test_htlc_on_chain_timeout() { node_txn.clear(); } - nodes[1].block_notifier.block_connected(&Block { header, txdata: vec![timeout_tx]}, 1); - connect_blocks(&nodes[1].block_notifier, ANTI_REORG_DELAY - 1, 1, true, header.bitcoin_hash()); + connect_block(&nodes[1], &Block { header, txdata: vec![timeout_tx]}, 1); + connect_blocks(&nodes[1], ANTI_REORG_DELAY - 1, 1, true, header.block_hash()); check_added_monitors!(nodes[1], 1); check_closed_broadcast!(nodes[1], false); @@ -2646,7 +3060,7 @@ fn test_htlc_on_chain_timeout() { let commitment_tx = get_local_commitment_txn!(nodes[1], chan_1.2); check_spends!(commitment_tx[0], chan_1.3); - nodes[0].block_notifier.block_connected(&Block { header, txdata: vec![commitment_tx[0].clone()]}, 200); + connect_block(&nodes[0], &Block { header, txdata: vec![commitment_tx[0].clone()]}, 200); check_closed_broadcast!(nodes[0], false); 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 @@ -2682,8 +3096,8 @@ fn test_simple_commitment_revoked_fail_backward() { let (_, payment_hash) = route_payment(&nodes[0], &[&nodes[1], &nodes[2]], 3000000); let header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42}; - nodes[1].block_notifier.block_connected(&Block { header, txdata: vec![revoked_local_txn[0].clone()] }, 1); - connect_blocks(&nodes[1].block_notifier, ANTI_REORG_DELAY - 1, 1, true, header.bitcoin_hash()); + connect_block(&nodes[1], &Block { header, txdata: vec![revoked_local_txn[0].clone()] }, 1); + connect_blocks(&nodes[1], ANTI_REORG_DELAY - 1, 1, true, header.block_hash()); check_added_monitors!(nodes[1], 1); check_closed_broadcast!(nodes[1], false); @@ -2749,7 +3163,7 @@ fn do_test_commitment_revoked_fail_backward_exhaustive(deliver_bs_raa: bool, use let value = if use_dust { // The dust limit applied to HTLC outputs considers the fee of the HTLC transaction as // well, so HTLCs at exactly the dust limit will not be included in commitment txn. - nodes[2].node.channel_state.lock().unwrap().by_id.get(&chan_2.2).unwrap().our_dust_limit_satoshis * 1000 + nodes[2].node.channel_state.lock().unwrap().by_id.get(&chan_2.2).unwrap().holder_dust_limit_satoshis * 1000 } else { 3000000 }; let (_, first_payment_hash) = route_payment(&nodes[0], &[&nodes[1], &nodes[2]], value); @@ -2810,7 +3224,7 @@ fn do_test_commitment_revoked_fail_backward_exhaustive(deliver_bs_raa: bool, use let (_, fourth_payment_hash) = get_payment_preimage_hash!(nodes[0]); let net_graph_msg_handler = &nodes[1].net_graph_msg_handler; let logger = test_utils::TestLogger::new(); - let route = get_route(&nodes[1].node.get_our_node_id(), net_graph_msg_handler, &nodes[2].node.get_our_node_id(), None, &Vec::new(), 1000000, TEST_FINAL_CLTV, &logger).unwrap(); + let route = get_route(&nodes[1].node.get_our_node_id(), &net_graph_msg_handler.network_graph.read().unwrap(), &nodes[2].node.get_our_node_id(), None, &Vec::new(), 1000000, TEST_FINAL_CLTV, &logger).unwrap(); nodes[1].node.send_payment(&route, fourth_payment_hash, &None).unwrap(); assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty()); assert!(nodes[1].node.get_and_clear_pending_events().is_empty()); @@ -2835,9 +3249,9 @@ fn do_test_commitment_revoked_fail_backward_exhaustive(deliver_bs_raa: bool, use assert!(nodes[1].node.get_and_clear_pending_events().is_empty()); let header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42}; - nodes[1].block_notifier.block_connected(&Block { header, txdata: vec![revoked_local_txn[0].clone()] }, 1); + connect_block(&nodes[1], &Block { header, txdata: vec![revoked_local_txn[0].clone()] }, 1); check_added_monitors!(nodes[1], 1); - connect_blocks(&nodes[1].block_notifier, ANTI_REORG_DELAY - 1, 1, true, header.bitcoin_hash()); + connect_blocks(&nodes[1], ANTI_REORG_DELAY - 1, 1, true, header.block_hash()); let events = nodes[1].node.get_and_clear_pending_events(); assert_eq!(events.len(), if deliver_bs_raa { 1 } else { 2 }); @@ -2956,7 +3370,7 @@ fn fail_backward_pending_htlc_upon_channel_failure() { { let (_, payment_hash) = get_payment_preimage_hash!(nodes[0]); let net_graph_msg_handler = &nodes[0].net_graph_msg_handler; - let route = get_route(&nodes[0].node.get_our_node_id(), net_graph_msg_handler, &nodes[1].node.get_our_node_id(), None, &Vec::new(), 50_000, TEST_FINAL_CLTV, &logger).unwrap(); + 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(), None, &Vec::new(), 50_000, TEST_FINAL_CLTV, &logger).unwrap(); nodes[0].node.send_payment(&route, payment_hash, &None).unwrap(); check_added_monitors!(nodes[0], 1); @@ -2973,7 +3387,7 @@ fn fail_backward_pending_htlc_upon_channel_failure() { let (_, failed_payment_hash) = get_payment_preimage_hash!(nodes[0]); { let net_graph_msg_handler = &nodes[0].net_graph_msg_handler; - let route = get_route(&nodes[0].node.get_our_node_id(), net_graph_msg_handler, &nodes[1].node.get_our_node_id(), None, &Vec::new(), 50_000, TEST_FINAL_CLTV, &logger).unwrap(); + 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(), None, &Vec::new(), 50_000, TEST_FINAL_CLTV, &logger).unwrap(); nodes[0].node.send_payment(&route, failed_payment_hash, &None).unwrap(); check_added_monitors!(nodes[0], 0); @@ -2985,16 +3399,10 @@ fn fail_backward_pending_htlc_upon_channel_failure() { let (_, payment_hash) = get_payment_preimage_hash!(nodes[1]); let secp_ctx = Secp256k1::new(); - let session_priv = { - let mut session_key = [0; 32]; - let mut rng = thread_rng(); - rng.fill_bytes(&mut session_key); - SecretKey::from_slice(&session_key).expect("RNG is bad!") - }; - + let session_priv = SecretKey::from_slice(&[42; 32]).unwrap(); let current_height = nodes[1].node.latest_block_height.load(Ordering::Acquire) as u32 + 1; let net_graph_msg_handler = &nodes[1].net_graph_msg_handler; - let route = get_route(&nodes[1].node.get_our_node_id(), net_graph_msg_handler, &nodes[0].node.get_our_node_id(), None, &Vec::new(), 50_000, TEST_FINAL_CLTV, &logger).unwrap(); + let route = get_route(&nodes[1].node.get_our_node_id(), &net_graph_msg_handler.network_graph.read().unwrap(), &nodes[0].node.get_our_node_id(), None, &Vec::new(), 50_000, TEST_FINAL_CLTV, &logger).unwrap(); let (onion_payloads, _amount_msat, cltv_expiry) = onion_utils::build_onion_payloads(&route.paths[0], 50_000, &None, current_height).unwrap(); let onion_keys = onion_utils::construct_onion_keys(&secp_ctx, &route.paths[0], &session_priv).unwrap(); let onion_routing_packet = onion_utils::construct_onion_packet(onion_payloads, onion_keys, [0; 32], &payment_hash); @@ -3036,13 +3444,13 @@ fn test_htlc_ignore_latest_remote_commitment() { assert_eq!(node_txn.len(), 2); let header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; - nodes[1].block_notifier.block_connected(&Block { header, txdata: vec![node_txn[0].clone(), node_txn[1].clone()]}, 1); + connect_block(&nodes[1], &Block { header, txdata: vec![node_txn[0].clone(), node_txn[1].clone()]}, 1); check_closed_broadcast!(nodes[1], false); check_added_monitors!(nodes[1], 1); - // Duplicate the block_connected call since this may happen due to other listeners + // Duplicate the connect_block call since this may happen due to other listeners // registering new transactions - nodes[1].block_notifier.block_connected(&Block { header, txdata: vec![node_txn[0].clone(), node_txn[1].clone()]}, 1); + connect_block(&nodes[1], &Block { header, txdata: vec![node_txn[0].clone(), node_txn[1].clone()]}, 1); } #[test] @@ -3060,7 +3468,7 @@ fn test_force_close_fail_back() { let mut payment_event = { let net_graph_msg_handler = &nodes[0].net_graph_msg_handler; - let route = get_route(&nodes[0].node.get_our_node_id(), net_graph_msg_handler, &nodes[2].node.get_our_node_id(), None, &Vec::new(), 1000000, 42, &logger).unwrap(); + let route = get_route(&nodes[0].node.get_our_node_id(), &net_graph_msg_handler.network_graph.read().unwrap(), &nodes[2].node.get_our_node_id(), None, &Vec::new(), 1000000, 42, &logger).unwrap(); nodes[0].node.send_payment(&route, our_payment_hash, &None).unwrap(); check_added_monitors!(nodes[0], 1); @@ -3101,8 +3509,11 @@ fn test_force_close_fail_back() { node_txn.remove(0) }; - let header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; - nodes[1].block_notifier.block_connected_checked(&header, 1, &[&tx], &[1]); + let block = Block { + header: BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }, + txdata: vec![tx.clone()], + }; + connect_block(&nodes[1], &block, 1); // Note no UpdateHTLCs event here from nodes[1] to nodes[0]! check_closed_broadcast!(nodes[1], false); @@ -3110,11 +3521,11 @@ fn test_force_close_fail_back() { // Now check that if we add the preimage to ChannelMonitor it broadcasts our HTLC-Success.. { - let mut monitors = nodes[2].chan_monitor.simple_monitor.monitors.lock().unwrap(); + let mut monitors = nodes[2].chain_monitor.chain_monitor.monitors.lock().unwrap(); monitors.get_mut(&OutPoint{ txid: Txid::from_slice(&payment_event.commitment_msg.channel_id[..]).unwrap(), index: 0 }).unwrap() - .provide_payment_preimage(&our_payment_hash, &our_payment_preimage); + .provide_payment_preimage(&our_payment_hash, &our_payment_preimage, &node_cfgs[2].tx_broadcaster, &node_cfgs[2].fee_estimator, &&logger); } - nodes[2].block_notifier.block_connected_checked(&header, 1, &[&tx], &[1]); + connect_block(&nodes[2], &block, 1); let node_txn = nodes[2].tx_broadcaster.txn_broadcasted.lock().unwrap(); assert_eq!(node_txn.len(), 1); assert_eq!(node_txn[0].input.len(), 1); @@ -3143,13 +3554,11 @@ fn test_unconf_chan() { let mut header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; headers.push(header.clone()); for _i in 2..100 { - header = BlockHeader { version: 0x20000000, prev_blockhash: header.bitcoin_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; + header = BlockHeader { version: 0x20000000, prev_blockhash: header.block_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; headers.push(header.clone()); } - let mut height = 99; while !headers.is_empty() { - nodes[0].node.block_disconnected(&headers.pop().unwrap(), height); - height -= 1; + nodes[0].node.block_disconnected(&headers.pop().unwrap()); } check_closed_broadcast!(nodes[0], false); check_added_monitors!(nodes[0], 1); @@ -3233,7 +3642,9 @@ fn do_test_drop_messages_peer_disconnect(messages_delivered: u8) { let logger = test_utils::TestLogger::new(); let payment_event = { let net_graph_msg_handler = &nodes[0].net_graph_msg_handler; - let route = get_route(&nodes[0].node.get_our_node_id(), net_graph_msg_handler, &nodes[1].node.get_our_node_id(), Some(&nodes[0].node.list_usable_channels()), &Vec::new(), 1000000, TEST_FINAL_CLTV, &logger).unwrap(); + 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(&nodes[0].node.list_usable_channels().iter().collect::>()), + &Vec::new(), 1000000, TEST_FINAL_CLTV, &logger).unwrap(); nodes[0].node.send_payment(&route, payment_hash_1, &None).unwrap(); check_added_monitors!(nodes[0], 1); @@ -3408,7 +3819,9 @@ fn do_test_drop_messages_peer_disconnect(messages_delivered: u8) { // Channel should still work fine... let net_graph_msg_handler = &nodes[0].net_graph_msg_handler; - let route = get_route(&nodes[0].node.get_our_node_id(), net_graph_msg_handler, &nodes[1].node.get_our_node_id(), Some(&nodes[0].node.list_usable_channels()), &Vec::new(), 1000000, TEST_FINAL_CLTV, &logger).unwrap(); + 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(&nodes[0].node.list_usable_channels().iter().collect::>()), + &Vec::new(), 1000000, TEST_FINAL_CLTV, &logger).unwrap(); let payment_preimage_2 = send_along_route(&nodes[0], route, &[&nodes[1]], 1000000).0; claim_payment(&nodes[0], &[&nodes[1]], payment_preimage_2, 1_000_000); } @@ -3440,7 +3853,7 @@ fn test_funding_peer_disconnect() { 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); - confirm_transaction(&nodes[0].block_notifier, &nodes[0].chain_monitor, &tx, tx.version); + confirm_transaction(&nodes[0], &tx); let events_1 = nodes[0].node.get_and_clear_pending_msg_events(); assert_eq!(events_1.len(), 1); match events_1[0] { @@ -3455,7 +3868,7 @@ fn test_funding_peer_disconnect() { 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); - confirm_transaction(&nodes[1].block_notifier, &nodes[1].chain_monitor, &tx, tx.version); + confirm_transaction(&nodes[1], &tx); let events_2 = nodes[1].node.get_and_clear_pending_msg_events(); assert_eq!(events_2.len(), 2); let funding_locked = match events_2[0] { @@ -3509,7 +3922,7 @@ fn test_funding_peer_disconnect() { let net_graph_msg_handler = &nodes[0].net_graph_msg_handler; let logger = test_utils::TestLogger::new(); - let route = get_route(&nodes[0].node.get_our_node_id(), net_graph_msg_handler, &nodes[1].node.get_our_node_id(), None, &Vec::new(), 1000000, TEST_FINAL_CLTV, &logger).unwrap(); + 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(), 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, 1_000_000); } @@ -3530,7 +3943,7 @@ fn test_drop_messages_peer_disconnect_dual_htlc() { // Now try to send a second payment which will fail to send let (payment_preimage_2, payment_hash_2) = get_payment_preimage_hash!(nodes[0]); let net_graph_msg_handler = &nodes[0].net_graph_msg_handler; - let route = get_route(&nodes[0].node.get_our_node_id(), net_graph_msg_handler, &nodes[1].node.get_our_node_id(), None, &Vec::new(), 1000000, TEST_FINAL_CLTV, &logger).unwrap(); + 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(), None, &Vec::new(), 1000000, TEST_FINAL_CLTV, &logger).unwrap(); nodes[0].node.send_payment(&route, payment_hash_2, &None).unwrap(); check_added_monitors!(nodes[0], 1); @@ -3671,7 +4084,7 @@ fn do_test_htlc_timeout(send_partial_mpp: bool) { let our_payment_hash = if send_partial_mpp { let net_graph_msg_handler = &nodes[0].net_graph_msg_handler; - let route = get_route(&nodes[0].node.get_our_node_id(), net_graph_msg_handler, &nodes[1].node.get_our_node_id(), None, &Vec::new(), 100000, TEST_FINAL_CLTV, &logger).unwrap(); + 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(), None, &Vec::new(), 100000, TEST_FINAL_CLTV, &logger).unwrap(); let (_, our_payment_hash) = get_payment_preimage_hash!(&nodes[0]); let payment_secret = PaymentSecret([0xdb; 32]); // Use the utility function send_payment_along_path to send the payment with MPP data which @@ -3688,13 +4101,16 @@ fn do_test_htlc_timeout(send_partial_mpp: bool) { route_payment(&nodes[0], &[&nodes[1]], 100000).1 }; - let mut header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; - nodes[0].block_notifier.block_connected_checked(&header, 101, &[], &[]); - nodes[1].block_notifier.block_connected_checked(&header, 101, &[], &[]); + let mut block = Block { + header: BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }, + txdata: vec![], + }; + connect_block(&nodes[0], &block, 101); + connect_block(&nodes[1], &block, 101); for i in 102..TEST_FINAL_CLTV + 100 + 1 - CLTV_CLAIM_BUFFER - LATENCY_GRACE_PERIOD_BLOCKS { - header.prev_blockhash = header.bitcoin_hash(); - nodes[0].block_notifier.block_connected_checked(&header, i, &[], &[]); - nodes[1].block_notifier.block_connected_checked(&header, i, &[], &[]); + block.header.prev_blockhash = block.block_hash(); + connect_block(&nodes[0], &block, i); + connect_block(&nodes[1], &block, i); } expect_pending_htlcs_forwardable!(nodes[1]); @@ -3734,7 +4150,7 @@ fn do_test_holding_cell_htlc_add_timeouts(forwarded_htlc: bool) { let (_, first_payment_hash) = get_payment_preimage_hash!(nodes[0]); { let net_graph_msg_handler = &nodes[1].net_graph_msg_handler; - let route = get_route(&nodes[1].node.get_our_node_id(), net_graph_msg_handler, &nodes[2].node.get_our_node_id(), None, &Vec::new(), 100000, TEST_FINAL_CLTV, &logger).unwrap(); + let route = get_route(&nodes[1].node.get_our_node_id(), &net_graph_msg_handler.network_graph.read().unwrap(), &nodes[2].node.get_our_node_id(), None, &Vec::new(), 100000, TEST_FINAL_CLTV, &logger).unwrap(); nodes[1].node.send_payment(&route, first_payment_hash, &None).unwrap(); } assert_eq!(nodes[1].node.get_and_clear_pending_msg_events().len(), 1); @@ -3744,7 +4160,7 @@ fn do_test_holding_cell_htlc_add_timeouts(forwarded_htlc: bool) { let (_, second_payment_hash) = get_payment_preimage_hash!(nodes[0]); if forwarded_htlc { let net_graph_msg_handler = &nodes[0].net_graph_msg_handler; - let route = get_route(&nodes[0].node.get_our_node_id(), net_graph_msg_handler, &nodes[2].node.get_our_node_id(), None, &Vec::new(), 100000, TEST_FINAL_CLTV, &logger).unwrap(); + let route = get_route(&nodes[0].node.get_our_node_id(), &net_graph_msg_handler.network_graph.read().unwrap(), &nodes[2].node.get_our_node_id(), None, &Vec::new(), 100000, TEST_FINAL_CLTV, &logger).unwrap(); nodes[0].node.send_payment(&route, second_payment_hash, &None).unwrap(); check_added_monitors!(nodes[0], 1); let payment_event = SendEvent::from_event(nodes[0].node.get_and_clear_pending_msg_events().remove(0)); @@ -3754,23 +4170,26 @@ fn do_test_holding_cell_htlc_add_timeouts(forwarded_htlc: bool) { check_added_monitors!(nodes[1], 0); } else { let net_graph_msg_handler = &nodes[1].net_graph_msg_handler; - let route = get_route(&nodes[1].node.get_our_node_id(), net_graph_msg_handler, &nodes[2].node.get_our_node_id(), None, &Vec::new(), 100000, TEST_FINAL_CLTV, &logger).unwrap(); + let route = get_route(&nodes[1].node.get_our_node_id(), &net_graph_msg_handler.network_graph.read().unwrap(), &nodes[2].node.get_our_node_id(), None, &Vec::new(), 100000, TEST_FINAL_CLTV, &logger).unwrap(); nodes[1].node.send_payment(&route, second_payment_hash, &None).unwrap(); check_added_monitors!(nodes[1], 0); } - let mut header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; - nodes[1].block_notifier.block_connected_checked(&header, 101, &[], &[]); + let mut block = Block { + header: BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }, + txdata: vec![], + }; + connect_block(&nodes[1], &block, 101); for i in 102..TEST_FINAL_CLTV + 100 - CLTV_CLAIM_BUFFER - LATENCY_GRACE_PERIOD_BLOCKS { - header.prev_blockhash = header.bitcoin_hash(); - nodes[1].block_notifier.block_connected_checked(&header, i, &[], &[]); + block.header.prev_blockhash = block.block_hash(); + connect_block(&nodes[1], &block, i); } assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty()); assert!(nodes[1].node.get_and_clear_pending_events().is_empty()); - header.prev_blockhash = header.bitcoin_hash(); - nodes[1].block_notifier.block_connected_checked(&header, TEST_FINAL_CLTV + 100 - CLTV_CLAIM_BUFFER - LATENCY_GRACE_PERIOD_BLOCKS, &[], &[]); + block.header.prev_blockhash = block.block_hash(); + connect_block(&nodes[1], &block, TEST_FINAL_CLTV + 100 - CLTV_CLAIM_BUFFER - LATENCY_GRACE_PERIOD_BLOCKS); if forwarded_htlc { expect_pending_htlcs_forwardable!(nodes[1]); @@ -3822,8 +4241,8 @@ fn test_invalid_channel_announcement() { nodes[0].net_graph_msg_handler.handle_htlc_fail_channel_update(&msgs::HTLCFailChannelUpdate::ChannelClosed { short_channel_id : as_chan.get_short_channel_id().unwrap(), is_permanent: false } ); - let as_bitcoin_key = as_chan.get_local_keys().inner.local_channel_pubkeys.funding_pubkey; - let bs_bitcoin_key = bs_chan.get_local_keys().inner.local_channel_pubkeys.funding_pubkey; + let as_bitcoin_key = as_chan.get_keys().inner.holder_channel_pubkeys.funding_pubkey; + let bs_bitcoin_key = bs_chan.get_keys().inner.holder_channel_pubkeys.funding_pubkey; let as_network_key = nodes[0].node.get_our_node_id(); let bs_network_key = nodes[1].node.get_our_node_id(); @@ -3836,7 +4255,7 @@ fn test_invalid_channel_announcement() { () => { msgs::UnsignedChannelAnnouncement { features: ChannelFeatures::known(), - chain_hash: genesis_block(Network::Testnet).header.bitcoin_hash(), + chain_hash: genesis_block(Network::Testnet).header.block_hash(), short_channel_id: as_chan.get_short_channel_id().unwrap(), node_id_1: if were_node_one { as_network_key } else { bs_network_key }, node_id_2: if were_node_one { bs_network_key } else { as_network_key }, @@ -3850,8 +4269,8 @@ fn test_invalid_channel_announcement() { macro_rules! sign_msg { ($unsigned_msg: expr) => { let msghash = Message::from_slice(&Sha256dHash::hash(&$unsigned_msg.encode()[..])[..]).unwrap(); - let as_bitcoin_sig = secp_ctx.sign(&msghash, &as_chan.get_local_keys().inner.funding_key); - let bs_bitcoin_sig = secp_ctx.sign(&msghash, &bs_chan.get_local_keys().inner.funding_key); + let as_bitcoin_sig = secp_ctx.sign(&msghash, &as_chan.get_keys().inner.funding_key); + let bs_bitcoin_sig = secp_ctx.sign(&msghash, &bs_chan.get_keys().inner.funding_key); let as_node_sig = secp_ctx.sign(&msghash, &nodes[0].keys_manager.get_node_secret()); let bs_node_sig = secp_ctx.sign(&msghash, &nodes[1].keys_manager.get_node_secret()); chan_announcement = msgs::ChannelAnnouncement { @@ -3871,7 +4290,7 @@ fn test_invalid_channel_announcement() { // Configured with Network::Testnet let mut unsigned_msg = dummy_unsigned_msg!(); - unsigned_msg.chain_hash = genesis_block(Network::Bitcoin).header.bitcoin_hash(); + unsigned_msg.chain_hash = genesis_block(Network::Bitcoin).header.block_hash(); sign_msg!(unsigned_msg); assert!(nodes[0].net_graph_msg_handler.handle_channel_announcement(&chan_announcement).is_err()); @@ -3888,9 +4307,10 @@ fn test_no_txn_manager_serialize_deserialize() { let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]); let logger: test_utils::TestLogger; let fee_estimator: test_utils::TestFeeEstimator; - let new_chan_monitor: test_utils::TestChannelMonitor; + let persister: test_utils::TestPersister; + let new_chain_monitor: test_utils::TestChainMonitor; let keys_manager: test_utils::TestKeysInterface; - let nodes_0_deserialized: ChannelManager; + let nodes_0_deserialized: ChannelManager; 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()); @@ -3899,12 +4319,13 @@ fn test_no_txn_manager_serialize_deserialize() { let nodes_0_serialized = nodes[0].node.encode(); let mut chan_0_monitor_serialized = test_utils::TestVecWriter(Vec::new()); - nodes[0].chan_monitor.simple_monitor.monitors.lock().unwrap().iter().next().unwrap().1.write_for_disk(&mut chan_0_monitor_serialized).unwrap(); + nodes[0].chain_monitor.chain_monitor.monitors.lock().unwrap().iter().next().unwrap().1.serialize_for_disk(&mut chan_0_monitor_serialized).unwrap(); logger = test_utils::TestLogger::new(); fee_estimator = test_utils::TestFeeEstimator { sat_per_kw: 253 }; - new_chan_monitor = test_utils::TestChannelMonitor::new(nodes[0].chain_monitor.clone(), nodes[0].tx_broadcaster.clone(), &logger, &fee_estimator); - nodes[0].chan_monitor = &new_chan_monitor; + persister = test_utils::TestPersister::new(); + new_chain_monitor = test_utils::TestChainMonitor::new(Some(nodes[0].chain_source), nodes[0].tx_broadcaster.clone(), &logger, &fee_estimator, &persister); + 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)>::read(&mut chan_0_monitor_read).unwrap(); assert!(chan_0_monitor_read.is_empty()); @@ -3914,23 +4335,22 @@ fn test_no_txn_manager_serialize_deserialize() { keys_manager = test_utils::TestKeysInterface::new(&nodes[0].node_seed, Network::Testnet); let (_, nodes_0_deserialized_tmp) = { let mut channel_monitors = HashMap::new(); - channel_monitors.insert(chan_0_monitor.get_funding_txo(), &mut chan_0_monitor); - <(BlockHash, ChannelManager)>::read(&mut nodes_0_read, ChannelManagerReadArgs { + channel_monitors.insert(chan_0_monitor.get_funding_txo().0, &mut chan_0_monitor); + <(BlockHash, ChannelManager)>::read(&mut nodes_0_read, ChannelManagerReadArgs { default_config: config, keys_manager: &keys_manager, fee_estimator: &fee_estimator, - monitor: nodes[0].chan_monitor, + chain_monitor: nodes[0].chain_monitor, tx_broadcaster: nodes[0].tx_broadcaster.clone(), logger: &logger, - channel_monitors: &mut channel_monitors, + channel_monitors, }).unwrap() }; nodes_0_deserialized = nodes_0_deserialized_tmp; assert!(nodes_0_read.is_empty()); - assert!(nodes[0].chan_monitor.add_monitor(chan_0_monitor.get_funding_txo(), chan_0_monitor).is_ok()); + 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; - nodes[0].block_notifier.register_listener(nodes[0].node); assert_eq!(nodes[0].node.list_channels().len(), 1); check_added_monitors!(nodes[0], 1); @@ -3962,10 +4382,11 @@ fn test_manager_serialize_deserialize_events() { let node_cfgs = create_node_cfgs(2, &chanmon_cfgs); let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]); let fee_estimator: test_utils::TestFeeEstimator; + let persister: test_utils::TestPersister; let logger: test_utils::TestLogger; - let new_chan_monitor: test_utils::TestChannelMonitor; + let new_chain_monitor: test_utils::TestChainMonitor; let keys_manager: test_utils::TestKeysInterface; - let nodes_0_deserialized: ChannelManager; + let nodes_0_deserialized: ChannelManager; let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs); // Start creating a channel, but stop right before broadcasting the event message FundingBroadcastSafe @@ -3986,7 +4407,7 @@ fn test_manager_serialize_deserialize_events() { node_b.node.handle_funding_created(&node_a.node.get_our_node_id(), &get_event_msg!(node_a, MessageSendEvent::SendFundingCreated, node_b.node.get_our_node_id())); { - let mut added_monitors = node_b.chan_monitor.added_monitors.lock().unwrap(); + let mut added_monitors = node_b.chain_monitor.added_monitors.lock().unwrap(); assert_eq!(added_monitors.len(), 1); assert_eq!(added_monitors[0].0, funding_output); added_monitors.clear(); @@ -3994,7 +4415,7 @@ fn test_manager_serialize_deserialize_events() { node_a.node.handle_funding_signed(&node_b.node.get_our_node_id(), &get_event_msg!(node_b, MessageSendEvent::SendFundingSigned, node_a.node.get_our_node_id())); { - let mut added_monitors = node_a.chan_monitor.added_monitors.lock().unwrap(); + let mut added_monitors = node_a.chain_monitor.added_monitors.lock().unwrap(); assert_eq!(added_monitors.len(), 1); assert_eq!(added_monitors[0].0, funding_output); added_monitors.clear(); @@ -4007,12 +4428,13 @@ fn test_manager_serialize_deserialize_events() { // Start the de/seriailization process mid-channel creation to check that the channel manager will hold onto events that are serialized let nodes_0_serialized = nodes[0].node.encode(); let mut chan_0_monitor_serialized = test_utils::TestVecWriter(Vec::new()); - nodes[0].chan_monitor.simple_monitor.monitors.lock().unwrap().iter().next().unwrap().1.write_for_disk(&mut chan_0_monitor_serialized).unwrap(); + nodes[0].chain_monitor.chain_monitor.monitors.lock().unwrap().iter().next().unwrap().1.serialize_for_disk(&mut chan_0_monitor_serialized).unwrap(); fee_estimator = test_utils::TestFeeEstimator { sat_per_kw: 253 }; logger = test_utils::TestLogger::new(); - new_chan_monitor = test_utils::TestChannelMonitor::new(nodes[0].chain_monitor.clone(), nodes[0].tx_broadcaster.clone(), &logger, &fee_estimator); - nodes[0].chan_monitor = &new_chan_monitor; + persister = test_utils::TestPersister::new(); + new_chain_monitor = test_utils::TestChainMonitor::new(Some(nodes[0].chain_source), nodes[0].tx_broadcaster.clone(), &logger, &fee_estimator, &persister); + 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)>::read(&mut chan_0_monitor_read).unwrap(); assert!(chan_0_monitor_read.is_empty()); @@ -4022,15 +4444,15 @@ fn test_manager_serialize_deserialize_events() { keys_manager = test_utils::TestKeysInterface::new(&nodes[0].node_seed, Network::Testnet); let (_, nodes_0_deserialized_tmp) = { let mut channel_monitors = HashMap::new(); - channel_monitors.insert(chan_0_monitor.get_funding_txo(), &mut chan_0_monitor); - <(BlockHash, ChannelManager)>::read(&mut nodes_0_read, ChannelManagerReadArgs { + channel_monitors.insert(chan_0_monitor.get_funding_txo().0, &mut chan_0_monitor); + <(BlockHash, ChannelManager)>::read(&mut nodes_0_read, ChannelManagerReadArgs { default_config: config, keys_manager: &keys_manager, fee_estimator: &fee_estimator, - monitor: nodes[0].chan_monitor, + chain_monitor: nodes[0].chain_monitor, tx_broadcaster: nodes[0].tx_broadcaster.clone(), logger: &logger, - channel_monitors: &mut channel_monitors, + channel_monitors, }).unwrap() }; nodes_0_deserialized = nodes_0_deserialized_tmp; @@ -4038,7 +4460,7 @@ fn test_manager_serialize_deserialize_events() { nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id(), false); - assert!(nodes[0].chan_monitor.add_monitor(chan_0_monitor.get_funding_txo(), chan_0_monitor).is_ok()); + 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; // After deserializing, make sure the FundingBroadcastSafe event is still held by the channel manager @@ -4053,7 +4475,6 @@ fn test_manager_serialize_deserialize_events() { }; // Make sure the channel is functioning as though the de/serialization never happened - nodes[0].block_notifier.register_listener(nodes[0].node); assert_eq!(nodes[0].node.list_channels().len(), 1); check_added_monitors!(nodes[0], 1); @@ -4085,9 +4506,10 @@ fn test_simple_manager_serialize_deserialize() { let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]); let logger: test_utils::TestLogger; let fee_estimator: test_utils::TestFeeEstimator; - let new_chan_monitor: test_utils::TestChannelMonitor; + let persister: test_utils::TestPersister; + let new_chain_monitor: test_utils::TestChainMonitor; let keys_manager: test_utils::TestKeysInterface; - let nodes_0_deserialized: ChannelManager; + let nodes_0_deserialized: ChannelManager; let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs); create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known()); @@ -4098,12 +4520,13 @@ fn test_simple_manager_serialize_deserialize() { let nodes_0_serialized = nodes[0].node.encode(); let mut chan_0_monitor_serialized = test_utils::TestVecWriter(Vec::new()); - nodes[0].chan_monitor.simple_monitor.monitors.lock().unwrap().iter().next().unwrap().1.write_for_disk(&mut chan_0_monitor_serialized).unwrap(); + nodes[0].chain_monitor.chain_monitor.monitors.lock().unwrap().iter().next().unwrap().1.serialize_for_disk(&mut chan_0_monitor_serialized).unwrap(); logger = test_utils::TestLogger::new(); fee_estimator = test_utils::TestFeeEstimator { sat_per_kw: 253 }; - new_chan_monitor = test_utils::TestChannelMonitor::new(nodes[0].chain_monitor.clone(), nodes[0].tx_broadcaster.clone(), &logger, &fee_estimator); - nodes[0].chan_monitor = &new_chan_monitor; + persister = test_utils::TestPersister::new(); + new_chain_monitor = test_utils::TestChainMonitor::new(Some(nodes[0].chain_source), nodes[0].tx_broadcaster.clone(), &logger, &fee_estimator, &persister); + 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)>::read(&mut chan_0_monitor_read).unwrap(); assert!(chan_0_monitor_read.is_empty()); @@ -4112,21 +4535,21 @@ fn test_simple_manager_serialize_deserialize() { keys_manager = test_utils::TestKeysInterface::new(&nodes[0].node_seed, Network::Testnet); let (_, nodes_0_deserialized_tmp) = { let mut channel_monitors = HashMap::new(); - channel_monitors.insert(chan_0_monitor.get_funding_txo(), &mut chan_0_monitor); - <(BlockHash, ChannelManager)>::read(&mut nodes_0_read, ChannelManagerReadArgs { + channel_monitors.insert(chan_0_monitor.get_funding_txo().0, &mut chan_0_monitor); + <(BlockHash, ChannelManager)>::read(&mut nodes_0_read, ChannelManagerReadArgs { default_config: UserConfig::default(), keys_manager: &keys_manager, fee_estimator: &fee_estimator, - monitor: nodes[0].chan_monitor, + chain_monitor: nodes[0].chain_monitor, tx_broadcaster: nodes[0].tx_broadcaster.clone(), logger: &logger, - channel_monitors: &mut channel_monitors, + channel_monitors, }).unwrap() }; nodes_0_deserialized = nodes_0_deserialized_tmp; assert!(nodes_0_read.is_empty()); - assert!(nodes[0].chan_monitor.add_monitor(chan_0_monitor.get_funding_txo(), chan_0_monitor).is_ok()); + 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); @@ -4144,18 +4567,19 @@ fn test_manager_serialize_deserialize_inconsistent_monitor() { let node_chanmgrs = create_node_chanmgrs(4, &node_cfgs, &[None, None, None, None]); let logger: test_utils::TestLogger; let fee_estimator: test_utils::TestFeeEstimator; - let new_chan_monitor: test_utils::TestChannelMonitor; + let persister: test_utils::TestPersister; + let new_chain_monitor: test_utils::TestChainMonitor; let keys_manager: test_utils::TestKeysInterface; - let nodes_0_deserialized: ChannelManager; + let nodes_0_deserialized: ChannelManager; let mut nodes = create_network(4, &node_cfgs, &node_chanmgrs); create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known()); create_announced_chan_between_nodes(&nodes, 2, 0, InitFeatures::known(), InitFeatures::known()); let (_, _, channel_id, funding_tx) = create_announced_chan_between_nodes(&nodes, 0, 3, InitFeatures::known(), InitFeatures::known()); let mut node_0_stale_monitors_serialized = Vec::new(); - for monitor in nodes[0].chan_monitor.simple_monitor.monitors.lock().unwrap().iter() { + for monitor in nodes[0].chain_monitor.chain_monitor.monitors.lock().unwrap().iter() { let mut writer = test_utils::TestVecWriter(Vec::new()); - monitor.1.write_for_disk(&mut writer).unwrap(); + monitor.1.serialize_for_disk(&mut writer).unwrap(); node_0_stale_monitors_serialized.push(writer.0); } @@ -4172,16 +4596,17 @@ fn test_manager_serialize_deserialize_inconsistent_monitor() { // Now the ChannelMonitor (which is now out-of-sync with ChannelManager for channel w/ // nodes[3]) let mut node_0_monitors_serialized = Vec::new(); - for monitor in nodes[0].chan_monitor.simple_monitor.monitors.lock().unwrap().iter() { + for monitor in nodes[0].chain_monitor.chain_monitor.monitors.lock().unwrap().iter() { let mut writer = test_utils::TestVecWriter(Vec::new()); - monitor.1.write_for_disk(&mut writer).unwrap(); + monitor.1.serialize_for_disk(&mut writer).unwrap(); node_0_monitors_serialized.push(writer.0); } logger = test_utils::TestLogger::new(); fee_estimator = test_utils::TestFeeEstimator { sat_per_kw: 253 }; - new_chan_monitor = test_utils::TestChannelMonitor::new(nodes[0].chain_monitor.clone(), nodes[0].tx_broadcaster.clone(), &logger, &fee_estimator); - nodes[0].chan_monitor = &new_chan_monitor; + persister = test_utils::TestPersister::new(); + new_chain_monitor = test_utils::TestChainMonitor::new(Some(nodes[0].chain_source), nodes[0].tx_broadcaster.clone(), &logger, &fee_estimator, &persister); + nodes[0].chain_monitor = &new_chain_monitor; let mut node_0_stale_monitors = Vec::new(); for serialized in node_0_stale_monitors_serialized.iter() { @@ -4203,28 +4628,28 @@ fn test_manager_serialize_deserialize_inconsistent_monitor() { let mut nodes_0_read = &nodes_0_serialized[..]; if let Err(msgs::DecodeError::InvalidValue) = - <(BlockHash, ChannelManager)>::read(&mut nodes_0_read, ChannelManagerReadArgs { + <(BlockHash, ChannelManager)>::read(&mut nodes_0_read, ChannelManagerReadArgs { default_config: UserConfig::default(), keys_manager: &keys_manager, fee_estimator: &fee_estimator, - monitor: nodes[0].chan_monitor, + chain_monitor: nodes[0].chain_monitor, tx_broadcaster: nodes[0].tx_broadcaster.clone(), logger: &logger, - channel_monitors: &mut node_0_stale_monitors.iter_mut().map(|monitor| { (monitor.get_funding_txo(), monitor) }).collect(), + channel_monitors: node_0_stale_monitors.iter_mut().map(|monitor| { (monitor.get_funding_txo().0, monitor) }).collect(), }) { } else { panic!("If the monitor(s) are stale, this indicates a bug and we should get an Err return"); }; let mut nodes_0_read = &nodes_0_serialized[..]; let (_, nodes_0_deserialized_tmp) = - <(BlockHash, ChannelManager)>::read(&mut nodes_0_read, ChannelManagerReadArgs { + <(BlockHash, ChannelManager)>::read(&mut nodes_0_read, ChannelManagerReadArgs { default_config: UserConfig::default(), keys_manager: &keys_manager, fee_estimator: &fee_estimator, - monitor: nodes[0].chan_monitor, + chain_monitor: nodes[0].chain_monitor, tx_broadcaster: nodes[0].tx_broadcaster.clone(), logger: &logger, - channel_monitors: &mut node_0_monitors.iter_mut().map(|monitor| { (monitor.get_funding_txo(), monitor) }).collect(), + channel_monitors: node_0_monitors.iter_mut().map(|monitor| { (monitor.get_funding_txo().0, monitor) }).collect(), }).unwrap(); nodes_0_deserialized = nodes_0_deserialized_tmp; assert!(nodes_0_read.is_empty()); @@ -4237,7 +4662,7 @@ fn test_manager_serialize_deserialize_inconsistent_monitor() { } for monitor in node_0_monitors.drain(..) { - assert!(nodes[0].chan_monitor.add_monitor(monitor.get_funding_txo(), monitor).is_ok()); + assert!(nodes[0].chain_monitor.watch_channel(monitor.get_funding_txo().0, monitor).is_ok()); check_added_monitors!(nodes[0], 1); } nodes[0].node = &nodes_0_deserialized; @@ -4267,16 +4692,16 @@ fn test_manager_serialize_deserialize_inconsistent_monitor() { macro_rules! check_spendable_outputs { ($node: expr, $der_idx: expr, $keysinterface: expr, $chan_value: expr) => { { - let events = $node.chan_monitor.simple_monitor.get_and_clear_pending_events(); + let events = $node.chain_monitor.chain_monitor.get_and_clear_pending_events(); let mut txn = Vec::new(); for event in events { match event { Event::SpendableOutputs { ref outputs } => { for outp in outputs { match *outp { - SpendableOutputDescriptor::StaticOutputRemotePayment { ref outpoint, ref output, ref key_derivation_params } => { + SpendableOutputDescriptor::StaticOutputCounterpartyPayment { ref outpoint, ref output, ref key_derivation_params } => { let input = TxIn { - previous_output: outpoint.clone(), + previous_output: outpoint.into_bitcoin_outpoint(), script_sig: Script::new(), sequence: 0, witness: Vec::new(), @@ -4291,20 +4716,21 @@ macro_rules! check_spendable_outputs { input: vec![input], output: vec![outp], }; + spend_tx.output[0].value -= (spend_tx.get_weight() + 2 + 1 + 73 + 35 + 3) as u64 / 4; // (Max weight + 3 (to round up)) / 4 let secp_ctx = Secp256k1::new(); let keys = $keysinterface.derive_channel_keys($chan_value, key_derivation_params.0, key_derivation_params.1); - let remotepubkey = PublicKey::from_secret_key(&secp_ctx, &keys.payment_key()); + let remotepubkey = keys.pubkeys().payment_point; let witness_script = Address::p2pkh(&::bitcoin::PublicKey{compressed: true, key: remotepubkey}, Network::Testnet).script_pubkey(); - let sighash = Message::from_slice(&bip143::SighashComponents::new(&spend_tx).sighash_all(&spend_tx.input[0], &witness_script, output.value)[..]).unwrap(); - let remotesig = secp_ctx.sign(&sighash, &keys.payment_key()); + let sighash = Message::from_slice(&bip143::SigHashCache::new(&spend_tx).signature_hash(0, &witness_script, output.value, SigHashType::All)[..]).unwrap(); + let remotesig = secp_ctx.sign(&sighash, &keys.inner.payment_key); spend_tx.input[0].witness.push(remotesig.serialize_der().to_vec()); spend_tx.input[0].witness[0].push(SigHashType::All as u8); spend_tx.input[0].witness.push(remotepubkey.serialize().to_vec()); txn.push(spend_tx); }, - SpendableOutputDescriptor::DynamicOutputP2WSH { ref outpoint, ref per_commitment_point, ref to_self_delay, ref output, ref key_derivation_params, ref remote_revocation_pubkey } => { + SpendableOutputDescriptor::DynamicOutputP2WSH { ref outpoint, ref per_commitment_point, ref to_self_delay, ref output, ref key_derivation_params, ref revocation_pubkey } => { let input = TxIn { - previous_output: outpoint.clone(), + previous_output: outpoint.into_bitcoin_outpoint(), script_sig: Script::new(), sequence: *to_self_delay as u32, witness: Vec::new(), @@ -4321,11 +4747,12 @@ macro_rules! check_spendable_outputs { }; let secp_ctx = Secp256k1::new(); let keys = $keysinterface.derive_channel_keys($chan_value, key_derivation_params.0, key_derivation_params.1); - if let Ok(delayed_payment_key) = chan_utils::derive_private_key(&secp_ctx, &per_commitment_point, keys.delayed_payment_base_key()) { + if let Ok(delayed_payment_key) = chan_utils::derive_private_key(&secp_ctx, &per_commitment_point, &keys.inner.delayed_payment_base_key) { let delayed_payment_pubkey = PublicKey::from_secret_key(&secp_ctx, &delayed_payment_key); - let witness_script = chan_utils::get_revokeable_redeemscript(remote_revocation_pubkey, *to_self_delay, &delayed_payment_pubkey); - let sighash = Message::from_slice(&bip143::SighashComponents::new(&spend_tx).sighash_all(&spend_tx.input[0], &witness_script, output.value)[..]).unwrap(); + let witness_script = chan_utils::get_revokeable_redeemscript(revocation_pubkey, *to_self_delay, &delayed_payment_pubkey); + spend_tx.output[0].value -= (spend_tx.get_weight() + 2 + 1 + 73 + 1 + witness_script.len() + 1 + 3) as u64 / 4; // (Max weight + 3 (to round up)) / 4 + let sighash = Message::from_slice(&bip143::SigHashCache::new(&spend_tx).signature_hash(0, &witness_script, output.value, SigHashType::All)[..]).unwrap(); let local_delayedsig = secp_ctx.sign(&sighash, &delayed_payment_key); spend_tx.input[0].witness.push(local_delayedsig.serialize_der().to_vec()); spend_tx.input[0].witness[0].push(SigHashType::All as u8); @@ -4337,7 +4764,7 @@ macro_rules! check_spendable_outputs { SpendableOutputDescriptor::StaticOutput { ref outpoint, ref output } => { let secp_ctx = Secp256k1::new(); let input = TxIn { - previous_output: outpoint.clone(), + previous_output: outpoint.into_bitcoin_outpoint(), script_sig: Script::new(), sequence: 0, witness: Vec::new(), @@ -4352,6 +4779,7 @@ macro_rules! check_spendable_outputs { input: vec![input], output: vec![outp.clone()], }; + spend_tx.output[0].value -= (spend_tx.get_weight() + 2 + 1 + 73 + 35 + 3) as u64 / 4; // (Max weight + 3 (to round up)) / 4 let secret = { match ExtendedPrivKey::new_master(Network::Testnet, &$node.node_seed) { Ok(master_key) => { @@ -4365,7 +4793,7 @@ macro_rules! check_spendable_outputs { }; let pubkey = ExtendedPubKey::from_private(&secp_ctx, &secret).public_key; let witness_script = Address::p2pkh(&pubkey, Network::Testnet).script_pubkey(); - let sighash = Message::from_slice(&bip143::SighashComponents::new(&spend_tx).sighash_all(&spend_tx.input[0], &witness_script, output.value)[..]).unwrap(); + let sighash = Message::from_slice(&bip143::SigHashCache::new(&spend_tx).signature_hash(0, &witness_script, output.value, SigHashType::All)[..]).unwrap(); let sig = secp_ctx.sign(&sighash, &secret.private_key.key); spend_tx.input[0].witness.push(sig.serialize_der().to_vec()); spend_tx.input[0].witness[0].push(SigHashType::All as u8); @@ -4401,8 +4829,8 @@ fn test_claim_sizeable_push_msat() { 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 let header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; - nodes[1].block_notifier.block_connected(&Block { header, txdata: vec![node_txn[0].clone()] }, 0); - connect_blocks(&nodes[1].block_notifier, ANTI_REORG_DELAY - 1, 1, true, header.bitcoin_hash()); + connect_block(&nodes[1], &Block { header, txdata: vec![node_txn[0].clone()] }, 0); + connect_blocks(&nodes[1], ANTI_REORG_DELAY - 1, 1, true, header.block_hash()); let spend_txn = check_spendable_outputs!(nodes[1], 1, node_cfgs[1].keys_manager, 100000); assert_eq!(spend_txn.len(), 1); @@ -4429,14 +4857,13 @@ fn test_claim_on_remote_sizeable_push_msat() { 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 let header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; - nodes[1].block_notifier.block_connected(&Block { header, txdata: vec![node_txn[0].clone()] }, 0); + connect_block(&nodes[1], &Block { header, txdata: vec![node_txn[0].clone()] }, 0); check_closed_broadcast!(nodes[1], false); check_added_monitors!(nodes[1], 1); - connect_blocks(&nodes[1].block_notifier, ANTI_REORG_DELAY - 1, 1, true, header.bitcoin_hash()); + connect_blocks(&nodes[1], ANTI_REORG_DELAY - 1, 1, true, header.block_hash()); let spend_txn = check_spendable_outputs!(nodes[1], 1, node_cfgs[1].keys_manager, 100000); - assert_eq!(spend_txn.len(), 2); - assert_eq!(spend_txn[0], spend_txn[1]); + assert_eq!(spend_txn.len(), 1); check_spends!(spend_txn[0], node_txn[0]); } @@ -4458,20 +4885,19 @@ fn test_claim_on_remote_revoked_sizeable_push_msat() { claim_payment(&nodes[0], &vec!(&nodes[1])[..], payment_preimage, 3_000_000); let header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; - nodes[1].block_notifier.block_connected(&Block { header, txdata: vec![revoked_local_txn[0].clone()] }, 0); + connect_block(&nodes[1], &Block { header, txdata: vec![revoked_local_txn[0].clone()] }, 0); check_closed_broadcast!(nodes[1], false); check_added_monitors!(nodes[1], 1); let node_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap(); - let header_1 = BlockHeader { version: 0x20000000, prev_blockhash: header.bitcoin_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; - nodes[1].block_notifier.block_connected(&Block { header: header_1, txdata: vec![node_txn[0].clone()] }, 1); - connect_blocks(&nodes[1].block_notifier, ANTI_REORG_DELAY - 1, 1, true, header.bitcoin_hash()); + let header_1 = BlockHeader { version: 0x20000000, prev_blockhash: header.block_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; + connect_block(&nodes[1], &Block { header: header_1, txdata: vec![node_txn[0].clone()] }, 1); + connect_blocks(&nodes[1], ANTI_REORG_DELAY - 1, 1, true, header.block_hash()); let spend_txn = check_spendable_outputs!(nodes[1], 1, node_cfgs[1].keys_manager, 100000); - assert_eq!(spend_txn.len(), 3); - assert_eq!(spend_txn[0], spend_txn[1]); // to_remote output on revoked remote commitment_tx - check_spends!(spend_txn[0], revoked_local_txn[0]); - check_spends!(spend_txn[2], node_txn[0]); + assert_eq!(spend_txn.len(), 2); + 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]); } #[test] @@ -4494,7 +4920,7 @@ fn test_static_spendable_outputs_preimage_tx() { let header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; assert!(nodes[1].node.claim_funds(payment_preimage, &None, 3_000_000)); check_added_monitors!(nodes[1], 1); - nodes[1].block_notifier.block_connected(&Block { header, txdata: vec![commitment_tx[0].clone()] }, 1); + connect_block(&nodes[1], &Block { header, txdata: vec![commitment_tx[0].clone()] }, 1); check_added_monitors!(nodes[1], 1); let events = nodes[1].node.get_and_clear_pending_msg_events(); match events[0] { @@ -4514,9 +4940,9 @@ fn test_static_spendable_outputs_preimage_tx() { check_spends!(node_txn[1], chan_1.3); check_spends!(node_txn[2], node_txn[1]); - let header_1 = BlockHeader { version: 0x20000000, prev_blockhash: header.bitcoin_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; - nodes[1].block_notifier.block_connected(&Block { header: header_1, txdata: vec![node_txn[0].clone()] }, 1); - connect_blocks(&nodes[1].block_notifier, ANTI_REORG_DELAY - 1, 1, true, header.bitcoin_hash()); + let header_1 = BlockHeader { version: 0x20000000, prev_blockhash: header.block_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; + connect_block(&nodes[1], &Block { header: header_1, txdata: vec![node_txn[0].clone()] }, 1); + connect_blocks(&nodes[1], ANTI_REORG_DELAY - 1, 1, true, header.block_hash()); let spend_txn = check_spendable_outputs!(nodes[1], 1, node_cfgs[1].keys_manager, 100000); assert_eq!(spend_txn.len(), 1); @@ -4544,7 +4970,7 @@ fn test_static_spendable_outputs_timeout_tx() { // Settle A's commitment tx on B' chain let header = BlockHeader { version: 0x2000_0000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42}; - nodes[1].block_notifier.block_connected(&Block { header, txdata: vec![commitment_tx[0].clone()] }, 0); + connect_block(&nodes[1], &Block { header, txdata: vec![commitment_tx[0].clone()] }, 0); check_added_monitors!(nodes[1], 1); let events = nodes[1].node.get_and_clear_pending_msg_events(); match events[0] { @@ -4560,14 +4986,14 @@ fn test_static_spendable_outputs_timeout_tx() { check_spends!(node_txn[1], chan_1.3.clone()); check_spends!(node_txn[2], node_txn[1]); - let header_1 = BlockHeader { version: 0x20000000, prev_blockhash: header.bitcoin_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; - nodes[1].block_notifier.block_connected(&Block { header: header_1, txdata: vec![node_txn[0].clone()] }, 1); - connect_blocks(&nodes[1].block_notifier, ANTI_REORG_DELAY - 1, 1, true, header.bitcoin_hash()); + let header_1 = BlockHeader { version: 0x20000000, prev_blockhash: header.block_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; + connect_block(&nodes[1], &Block { header: header_1, txdata: vec![node_txn[0].clone()] }, 1); + connect_blocks(&nodes[1], ANTI_REORG_DELAY - 1, 1, true, header.block_hash()); expect_payment_failed!(nodes[1], our_payment_hash, true); let spend_txn = check_spendable_outputs!(nodes[1], 1, node_cfgs[1].keys_manager, 100000); - assert_eq!(spend_txn.len(), 3); // SpendableOutput: remote_commitment_tx.to_remote (*2), timeout_tx.output (*1) - check_spends!(spend_txn[2], node_txn[0].clone()); + assert_eq!(spend_txn.len(), 2); // SpendableOutput: remote_commitment_tx.to_remote, timeout_tx.output + check_spends!(spend_txn[1], node_txn[0]); } #[test] @@ -4588,7 +5014,7 @@ fn test_static_spendable_outputs_justice_tx_revoked_commitment_tx() { claim_payment(&nodes[0], &vec!(&nodes[1])[..], payment_preimage, 3_000_000); let header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; - nodes[1].block_notifier.block_connected(&Block { header, txdata: vec![revoked_local_txn[0].clone()] }, 0); + connect_block(&nodes[1], &Block { header, txdata: vec![revoked_local_txn[0].clone()] }, 0); check_closed_broadcast!(nodes[1], false); check_added_monitors!(nodes[1], 1); @@ -4597,9 +5023,9 @@ fn test_static_spendable_outputs_justice_tx_revoked_commitment_tx() { assert_eq!(node_txn[0].input.len(), 2); check_spends!(node_txn[0], revoked_local_txn[0]); - let header_1 = BlockHeader { version: 0x20000000, prev_blockhash: header.bitcoin_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; - nodes[1].block_notifier.block_connected(&Block { header: header_1, txdata: vec![node_txn[0].clone()] }, 1); - connect_blocks(&nodes[1].block_notifier, ANTI_REORG_DELAY - 1, 1, true, header.bitcoin_hash()); + let header_1 = BlockHeader { version: 0x20000000, prev_blockhash: header.block_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; + connect_block(&nodes[1], &Block { header: header_1, txdata: vec![node_txn[0].clone()] }, 1); + connect_blocks(&nodes[1], ANTI_REORG_DELAY - 1, 1, true, header.block_hash()); let spend_txn = check_spendable_outputs!(nodes[1], 1, node_cfgs[1].keys_manager, 100000); assert_eq!(spend_txn.len(), 1); @@ -4625,7 +5051,7 @@ fn test_static_spendable_outputs_justice_tx_revoked_htlc_timeout_tx() { let header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; // A will generate HTLC-Timeout from revoked commitment tx - nodes[0].block_notifier.block_connected(&Block { header, txdata: vec![revoked_local_txn[0].clone()] }, 1); + connect_block(&nodes[0], &Block { header, txdata: vec![revoked_local_txn[0].clone()] }, 1); check_closed_broadcast!(nodes[0], false); check_added_monitors!(nodes[0], 1); @@ -4637,29 +5063,39 @@ fn test_static_spendable_outputs_justice_tx_revoked_htlc_timeout_tx() { check_spends!(revoked_htlc_txn[1], chan_1.3); // B will generate justice tx from A's revoked commitment/HTLC tx - nodes[1].block_notifier.block_connected(&Block { header, txdata: vec![revoked_local_txn[0].clone(), revoked_htlc_txn[0].clone()] }, 0); + connect_block(&nodes[1], &Block { header, txdata: vec![revoked_local_txn[0].clone(), revoked_htlc_txn[0].clone()] }, 0); check_closed_broadcast!(nodes[1], false); check_added_monitors!(nodes[1], 1); let node_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap(); - assert_eq!(node_txn.len(), 4); // ChannelMonitor: justice tx on revoked commitment, justice tx on revoked HTLC-timeout, adjusted justice tx, ChannelManager: local commitment tx - assert_eq!(node_txn[0].input.len(), 2); - check_spends!(node_txn[0], revoked_local_txn[0]); - check_spends!(node_txn[1], chan_1.3); + 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 + // transactions next... + assert_eq!(node_txn[0].input.len(), 3); + check_spends!(node_txn[0], revoked_local_txn[0], revoked_htlc_txn[0]); + + 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); + } 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[2].input.len(), 1); - check_spends!(node_txn[2], revoked_htlc_txn[0]); - assert_eq!(node_txn[3].input.len(), 1); - check_spends!(node_txn[3], revoked_local_txn[0]); + check_spends!(node_txn[2], chan_1.3); - let header_1 = BlockHeader { version: 0x20000000, prev_blockhash: header.bitcoin_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; - nodes[1].block_notifier.block_connected(&Block { header: header_1, txdata: vec![node_txn[0].clone(), node_txn[2].clone()] }, 1); - connect_blocks(&nodes[1].block_notifier, ANTI_REORG_DELAY - 1, 1, true, header.bitcoin_hash()); + let header_1 = BlockHeader { version: 0x20000000, prev_blockhash: header.block_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; + connect_block(&nodes[1], &Block { header: header_1, txdata: vec![node_txn[1].clone()] }, 1); + connect_blocks(&nodes[1], ANTI_REORG_DELAY - 1, 1, true, header.block_hash()); // 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); - assert_eq!(spend_txn.len(), 2); - check_spends!(spend_txn[0], node_txn[0]); - check_spends!(spend_txn[1], node_txn[2]); + assert_eq!(spend_txn.len(), 1); + assert_eq!(spend_txn[0].input.len(), 1); + check_spends!(spend_txn[0], node_txn[1]); } #[test] @@ -4677,11 +5113,14 @@ fn test_static_spendable_outputs_justice_tx_revoked_htlc_success_tx() { assert_eq!(revoked_local_txn[0].input.len(), 1); assert_eq!(revoked_local_txn[0].input[0].previous_output.txid, chan_1.3.txid()); + // The to-be-revoked commitment tx should have one HTLC and one to_remote output + assert_eq!(revoked_local_txn[0].output.len(), 2); + claim_payment(&nodes[0], &vec!(&nodes[1])[..], payment_preimage, 3_000_000); let header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; // B will generate HTLC-Success from revoked commitment tx - nodes[1].block_notifier.block_connected(&Block { header, txdata: vec![revoked_local_txn[0].clone()] }, 1); + connect_block(&nodes[1], &Block { header, txdata: vec![revoked_local_txn[0].clone()] }, 1); check_closed_broadcast!(nodes[1], false); check_added_monitors!(nodes[1], 1); let revoked_htlc_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap(); @@ -4691,34 +5130,55 @@ fn test_static_spendable_outputs_justice_tx_revoked_htlc_success_tx() { assert_eq!(revoked_htlc_txn[0].input[0].witness.last().unwrap().len(), ACCEPTED_HTLC_SCRIPT_WEIGHT); check_spends!(revoked_htlc_txn[0], revoked_local_txn[0]); + // Check that the unspent (of two) outputs on revoked_local_txn[0] is a P2WPKH: + let unspent_local_txn_output = revoked_htlc_txn[0].input[0].previous_output.vout as usize ^ 1; + assert_eq!(revoked_local_txn[0].output[unspent_local_txn_output].script_pubkey.len(), 2 + 20); // P2WPKH + // A will generate justice tx from B's revoked commitment/HTLC tx - nodes[0].block_notifier.block_connected(&Block { header, txdata: vec![revoked_local_txn[0].clone(), revoked_htlc_txn[0].clone()] }, 1); + connect_block(&nodes[0], &Block { header, txdata: vec![revoked_local_txn[0].clone(), revoked_htlc_txn[0].clone()] }, 1); check_closed_broadcast!(nodes[0], false); check_added_monitors!(nodes[0], 1); let node_txn = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap(); assert_eq!(node_txn.len(), 3); // ChannelMonitor: justice tx on revoked commitment, justice tx on revoked HTLC-success, ChannelManager: local commitment tx - assert_eq!(node_txn[2].input.len(), 1); - check_spends!(node_txn[2], revoked_htlc_txn[0]); - let header_1 = BlockHeader { version: 0x20000000, prev_blockhash: header.bitcoin_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; - nodes[0].block_notifier.block_connected(&Block { header: header_1, txdata: vec![node_txn[0].clone(), node_txn[2].clone()] }, 1); - connect_blocks(&nodes[0].block_notifier, ANTI_REORG_DELAY - 1, 1, true, header.bitcoin_hash()); + // 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 + // transactions next... + assert_eq!(node_txn[0].input.len(), 2); + check_spends!(node_txn[0], revoked_local_txn[0], revoked_htlc_txn[0]); + if node_txn[0].input[1].previous_output.txid == revoked_htlc_txn[0].txid() { + assert_eq!(node_txn[0].input[0].previous_output, revoked_htlc_txn[0].input[0].previous_output); + } else { + assert_eq!(node_txn[0].input[0].previous_output.txid, revoked_htlc_txn[0].txid()); + assert_eq!(node_txn[0].input[1].previous_output, revoked_htlc_txn[0].input[0].previous_output); + } + + assert_eq!(node_txn[1].input.len(), 1); + check_spends!(node_txn[1], revoked_htlc_txn[0]); + + check_spends!(node_txn[2], chan_1.3); + + let header_1 = BlockHeader { version: 0x20000000, prev_blockhash: header.block_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; + connect_block(&nodes[0], &Block { header: header_1, txdata: vec![node_txn[1].clone()] }, 1); + connect_blocks(&nodes[0], ANTI_REORG_DELAY - 1, 1, true, header.block_hash()); + + // Note that nodes[0]'s tx_broadcaster is still locked, so if we get here the channelmonitor + // 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); - assert_eq!(spend_txn.len(), 5); // Duplicated SpendableOutput due to block rescan after revoked htlc output tracking - assert_eq!(spend_txn[0], spend_txn[1]); - assert_eq!(spend_txn[0], spend_txn[2]); + assert_eq!(spend_txn.len(), 2); + 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 - check_spends!(spend_txn[3], node_txn[0]); // spending justice tx output from revoked local tx htlc received output - check_spends!(spend_txn[4], node_txn[2]); // spending justice tx output on htlc success tx + assert_ne!(spend_txn[0].input[0].previous_output, revoked_htlc_txn[0].input[0].previous_output); + check_spends!(spend_txn[1], node_txn[1]); // spending justice tx output on the htlc success tx } #[test] fn test_onchain_to_onchain_claim() { - // Test that in case of channel closure, we detect the state of output thanks to - // ChainWatchInterface and claim HTLC on downstream peer's remote commitment tx. + // Test that in case of channel closure, we detect the state of output and claim HTLC + // on downstream peer's remote commitment tx. // First, have C claim an HTLC against its own latest commitment transaction. // Then, broadcast these to B, which should update the monitor downstream on the A<->B // channel. @@ -4750,7 +5210,7 @@ fn test_onchain_to_onchain_claim() { assert_eq!(updates.update_fulfill_htlcs.len(), 1); assert!(updates.update_fail_malformed_htlcs.is_empty()); - nodes[2].block_notifier.block_connected(&Block { header, txdata: vec![commitment_tx[0].clone()]}, 1); + connect_block(&nodes[2], &Block { header, txdata: vec![commitment_tx[0].clone()]}, 1); check_closed_broadcast!(nodes[2], false); check_added_monitors!(nodes[2], 1); @@ -4766,7 +5226,7 @@ fn test_onchain_to_onchain_claim() { assert_eq!(c_txn[0].lock_time, 0); // Success tx // 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 - nodes[1].block_notifier.block_connected(&Block { header, txdata: vec![c_txn[1].clone(), c_txn[2].clone()]}, 1); + connect_block(&nodes[1], &Block { header, txdata: vec![c_txn[1].clone(), c_txn[2].clone()]}, 1); { let mut b_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap(); // ChannelMonitor: claim tx, ChannelManager: local commitment tx + HTLC-timeout tx @@ -4776,7 +5236,7 @@ fn test_onchain_to_onchain_claim() { 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, * 2 due to block rescan + 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 @@ -4801,7 +5261,7 @@ fn test_onchain_to_onchain_claim() { }; // Broadcast A's commitment tx on B's chain to see if we are able to claim inbound HTLC with our HTLC-Success tx let commitment_tx = get_local_commitment_txn!(nodes[0], chan_1.2); - nodes[1].block_notifier.block_connected(&Block { header, txdata: vec![commitment_tx[0].clone()]}, 1); + connect_block(&nodes[1], &Block { header, txdata: vec![commitment_tx[0].clone()]}, 1); 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); @@ -4837,7 +5297,7 @@ fn test_duplicate_payment_hash_one_failure_one_success() { check_spends!(commitment_txn[0], chan_2.3); let header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; - nodes[1].block_notifier.block_connected(&Block { header, txdata: vec![commitment_txn[0].clone()] }, 1); + connect_block(&nodes[1], &Block { header, txdata: vec![commitment_txn[0].clone()] }, 1); check_closed_broadcast!(nodes[1], false); check_added_monitors!(nodes[1], 1); @@ -4860,7 +5320,7 @@ fn test_duplicate_payment_hash_one_failure_one_success() { } nodes[2].node.claim_funds(our_payment_preimage, &None, 900_000); - nodes[2].block_notifier.block_connected(&Block { header, txdata: vec![commitment_txn[0].clone()] }, 1); + connect_block(&nodes[2], &Block { header, txdata: vec![commitment_txn[0].clone()] }, 1); check_added_monitors!(nodes[2], 3); let events = nodes[2].node.get_and_clear_pending_msg_events(); match events[0] { @@ -4886,8 +5346,8 @@ fn test_duplicate_payment_hash_one_failure_one_success() { check_spends!(htlc_success_txn[0], commitment_txn[0]); check_spends!(htlc_success_txn[1], commitment_txn[0]); - nodes[1].block_notifier.block_connected(&Block { header, txdata: vec![htlc_timeout_tx] }, 200); - connect_blocks(&nodes[1].block_notifier, ANTI_REORG_DELAY - 1, 200, true, header.bitcoin_hash()); + connect_block(&nodes[1], &Block { header, txdata: vec![htlc_timeout_tx] }, 200); + connect_blocks(&nodes[1], ANTI_REORG_DELAY - 1, 200, true, header.block_hash()); expect_pending_htlcs_forwardable!(nodes[1]); let htlc_updates = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id()); assert!(htlc_updates.update_add_htlcs.is_empty()); @@ -4912,7 +5372,7 @@ fn test_duplicate_payment_hash_one_failure_one_success() { expect_payment_failed!(nodes[0], duplicate_payment_hash, false); // Solve 2nd HTLC by broadcasting on B's chain HTLC-Success Tx from C - nodes[1].block_notifier.block_connected(&Block { header, txdata: vec![htlc_success_txn[0].clone()] }, 200); + connect_block(&nodes[1], &Block { header, txdata: vec![htlc_success_txn[0].clone()] }, 200); 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_fail_htlcs.is_empty()); @@ -4952,7 +5412,7 @@ fn test_dynamic_spendable_outputs_local_htlc_success_tx() { nodes[1].node.claim_funds(payment_preimage, &None, 9_000_000); check_added_monitors!(nodes[1], 1); let header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; - nodes[1].block_notifier.block_connected(&Block { header, txdata: vec![local_txn[0].clone()] }, 1); + connect_block(&nodes[1], &Block { header, txdata: vec![local_txn[0].clone()] }, 1); check_added_monitors!(nodes[1], 1); let events = nodes[1].node.get_and_clear_pending_msg_events(); match events[0] { @@ -4971,9 +5431,9 @@ fn test_dynamic_spendable_outputs_local_htlc_success_tx() { vec![node_txn[0].clone(), node_txn[2].clone()] }; - let header_201 = BlockHeader { version: 0x20000000, prev_blockhash: header.bitcoin_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; - nodes[1].block_notifier.block_connected(&Block { header: header_201, txdata: node_txn.clone() }, 201); - connect_blocks(&nodes[1].block_notifier, ANTI_REORG_DELAY - 1, 201, true, header_201.bitcoin_hash()); + let header_201 = BlockHeader { version: 0x20000000, prev_blockhash: header.block_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; + connect_block(&nodes[1], &Block { header: header_201, txdata: node_txn.clone() }, 201); + connect_blocks(&nodes[1], ANTI_REORG_DELAY - 1, 201, true, header_201.block_hash()); // 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); @@ -5012,14 +5472,14 @@ fn do_test_fail_backwards_unrevoked_remote_announce(deliver_last_raa: bool, anno send_payment(&nodes[1], &[&nodes[2], &nodes[3], &nodes[5]], 500000, 500_000); assert_eq!(get_local_commitment_txn!(nodes[3], chan.2)[0].output.len(), 2); - let ds_dust_limit = nodes[3].node.channel_state.lock().unwrap().by_id.get(&chan.2).unwrap().our_dust_limit_satoshis; + let ds_dust_limit = nodes[3].node.channel_state.lock().unwrap().by_id.get(&chan.2).unwrap().holder_dust_limit_satoshis; // 0th HTLC: let (_, payment_hash_1) = route_payment(&nodes[0], &[&nodes[2], &nodes[3], &nodes[4]], ds_dust_limit*1000); // not added < dust limit + HTLC tx fee // 1st HTLC: let (_, payment_hash_2) = route_payment(&nodes[0], &[&nodes[2], &nodes[3], &nodes[4]], ds_dust_limit*1000); // not added < dust limit + HTLC tx fee let net_graph_msg_handler = &nodes[1].net_graph_msg_handler; let our_node_id = &nodes[1].node.get_our_node_id(); - let route = get_route(our_node_id, net_graph_msg_handler, &nodes[5].node.get_our_node_id(), None, &Vec::new(), ds_dust_limit*1000, TEST_FINAL_CLTV, &logger).unwrap(); + let route = get_route(our_node_id, &net_graph_msg_handler.network_graph.read().unwrap(), &nodes[5].node.get_our_node_id(), None, &Vec::new(), ds_dust_limit*1000, TEST_FINAL_CLTV, &logger).unwrap(); // 2nd HTLC: send_along_route_with_hash(&nodes[1], route.clone(), &[&nodes[2], &nodes[3], &nodes[5]], ds_dust_limit*1000, payment_hash_1); // not added < dust limit + HTLC tx fee // 3rd HTLC: @@ -5028,7 +5488,7 @@ fn do_test_fail_backwards_unrevoked_remote_announce(deliver_last_raa: bool, anno let (_, payment_hash_3) = route_payment(&nodes[0], &[&nodes[2], &nodes[3], &nodes[4]], 1000000); // 5th HTLC: let (_, payment_hash_4) = route_payment(&nodes[0], &[&nodes[2], &nodes[3], &nodes[4]], 1000000); - let route = get_route(our_node_id, net_graph_msg_handler, &nodes[5].node.get_our_node_id(), None, &Vec::new(), 1000000, TEST_FINAL_CLTV, &logger).unwrap(); + let route = get_route(our_node_id, &net_graph_msg_handler.network_graph.read().unwrap(), &nodes[5].node.get_our_node_id(), None, &Vec::new(), 1000000, TEST_FINAL_CLTV, &logger).unwrap(); // 6th HTLC: send_along_route_with_hash(&nodes[1], route.clone(), &[&nodes[2], &nodes[3], &nodes[5]], 1000000, payment_hash_3); // 7th HTLC: @@ -5037,13 +5497,13 @@ fn do_test_fail_backwards_unrevoked_remote_announce(deliver_last_raa: bool, anno // 8th HTLC: let (_, payment_hash_5) = route_payment(&nodes[0], &[&nodes[2], &nodes[3], &nodes[4]], 1000000); // 9th HTLC: - let route = get_route(our_node_id, net_graph_msg_handler, &nodes[5].node.get_our_node_id(), None, &Vec::new(), ds_dust_limit*1000, TEST_FINAL_CLTV, &logger).unwrap(); + let route = get_route(our_node_id, &net_graph_msg_handler.network_graph.read().unwrap(), &nodes[5].node.get_our_node_id(), None, &Vec::new(), ds_dust_limit*1000, TEST_FINAL_CLTV, &logger).unwrap(); send_along_route_with_hash(&nodes[1], route, &[&nodes[2], &nodes[3], &nodes[5]], ds_dust_limit*1000, payment_hash_5); // not added < dust limit + HTLC tx fee // 10th HTLC: let (_, payment_hash_6) = route_payment(&nodes[0], &[&nodes[2], &nodes[3], &nodes[4]], ds_dust_limit*1000); // not added < dust limit + HTLC tx fee // 11th HTLC: - let route = get_route(our_node_id, net_graph_msg_handler, &nodes[5].node.get_our_node_id(), None, &Vec::new(), 1000000, TEST_FINAL_CLTV, &logger).unwrap(); + let route = get_route(our_node_id, &net_graph_msg_handler.network_graph.read().unwrap(), &nodes[5].node.get_our_node_id(), None, &Vec::new(), 1000000, TEST_FINAL_CLTV, &logger).unwrap(); send_along_route_with_hash(&nodes[1], route, &[&nodes[2], &nodes[3], &nodes[5]], 1000000, payment_hash_6); // Double-check that six of the new HTLC were added @@ -5113,11 +5573,11 @@ fn do_test_fail_backwards_unrevoked_remote_announce(deliver_last_raa: bool, anno let header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; if announce_latest { - nodes[2].block_notifier.block_connected(&Block { header, txdata: vec![ds_last_commitment_tx[0].clone()]}, 1); + connect_block(&nodes[2], &Block { header, txdata: vec![ds_last_commitment_tx[0].clone()]}, 1); } else { - nodes[2].block_notifier.block_connected(&Block { header, txdata: vec![ds_prev_commitment_tx[0].clone()]}, 1); + connect_block(&nodes[2], &Block { header, txdata: vec![ds_prev_commitment_tx[0].clone()]}, 1); } - connect_blocks(&nodes[2].block_notifier, ANTI_REORG_DELAY - 1, 1, true, header.bitcoin_hash()); + connect_blocks(&nodes[2], ANTI_REORG_DELAY - 1, 1, true, header.block_hash()); check_closed_broadcast!(nodes[2], false); expect_pending_htlcs_forwardable!(nodes[2]); check_added_monitors!(nodes[2], 3); @@ -5255,7 +5715,7 @@ fn test_dynamic_spendable_outputs_local_htlc_timeout_tx() { // Timeout HTLC on A's chain and so it can generate a HTLC-Timeout tx let header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; - nodes[0].block_notifier.block_connected(&Block { header, txdata: vec![local_txn[0].clone()] }, 200); + connect_block(&nodes[0], &Block { header, txdata: vec![local_txn[0].clone()] }, 200); check_closed_broadcast!(nodes[0], false); check_added_monitors!(nodes[0], 1); @@ -5267,17 +5727,16 @@ fn test_dynamic_spendable_outputs_local_htlc_timeout_tx() { node_txn[0].clone() }; - let header_201 = BlockHeader { version: 0x20000000, prev_blockhash: header.bitcoin_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; - nodes[0].block_notifier.block_connected(&Block { header: header_201, txdata: vec![htlc_timeout.clone()] }, 201); - connect_blocks(&nodes[0].block_notifier, ANTI_REORG_DELAY - 1, 201, true, header_201.bitcoin_hash()); + let header_201 = BlockHeader { version: 0x20000000, prev_blockhash: header.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()] }, 201); + connect_blocks(&nodes[0], ANTI_REORG_DELAY - 1, 201, true, header_201.block_hash()); 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); - assert_eq!(spend_txn.len(), 3); - assert_eq!(spend_txn[0], spend_txn[1]); + assert_eq!(spend_txn.len(), 2); check_spends!(spend_txn[0], local_txn[0]); - check_spends!(spend_txn[2], htlc_timeout); + check_spends!(spend_txn[1], htlc_timeout); } #[test] @@ -5289,12 +5748,10 @@ fn test_key_derivation_params() { let chanmon_cfgs = create_chanmon_cfgs(3); // We manually create the node configuration to backup the seed. - let mut rng = thread_rng(); - let mut seed = [0; 32]; - rng.fill_bytes(&mut seed); + let seed = [42; 32]; let keys_manager = test_utils::TestKeysInterface::new(&seed, Network::Testnet); - let chan_monitor = test_utils::TestChannelMonitor::new(&chanmon_cfgs[0].chain_monitor, &chanmon_cfgs[0].tx_broadcaster, &chanmon_cfgs[0].logger, &chanmon_cfgs[0].fee_estimator); - let node = NodeCfg { chain_monitor: &chanmon_cfgs[0].chain_monitor, logger: &chanmon_cfgs[0].logger, tx_broadcaster: &chanmon_cfgs[0].tx_broadcaster, fee_estimator: &chanmon_cfgs[0].fee_estimator, chan_monitor, keys_manager, node_seed: seed }; + let chain_monitor = test_utils::TestChainMonitor::new(Some(&chanmon_cfgs[0].chain_source), &chanmon_cfgs[0].tx_broadcaster, &chanmon_cfgs[0].logger, &chanmon_cfgs[0].fee_estimator, &chanmon_cfgs[0].persister); + let node = NodeCfg { chain_source: &chanmon_cfgs[0].chain_source, logger: &chanmon_cfgs[0].logger, tx_broadcaster: &chanmon_cfgs[0].tx_broadcaster, fee_estimator: &chanmon_cfgs[0].fee_estimator, chain_monitor, keys_manager, node_seed: seed }; let mut node_cfgs = create_node_cfgs(3, &chanmon_cfgs); node_cfgs.remove(0); node_cfgs.insert(0, node); @@ -5327,7 +5784,7 @@ fn test_key_derivation_params() { // Timeout HTLC on A's chain and so it can generate a HTLC-Timeout tx let header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; - nodes[0].block_notifier.block_connected(&Block { header, txdata: vec![local_txn_1[0].clone()] }, 200); + connect_block(&nodes[0], &Block { header, txdata: vec![local_txn_1[0].clone()] }, 200); check_closed_broadcast!(nodes[0], false); check_added_monitors!(nodes[0], 1); @@ -5339,18 +5796,17 @@ fn test_key_derivation_params() { node_txn[0].clone() }; - let header_201 = BlockHeader { version: 0x20000000, prev_blockhash: header.bitcoin_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; - nodes[0].block_notifier.block_connected(&Block { header: header_201, txdata: vec![htlc_timeout.clone()] }, 201); - connect_blocks(&nodes[0].block_notifier, ANTI_REORG_DELAY - 1, 201, true, header_201.bitcoin_hash()); + let header_201 = BlockHeader { version: 0x20000000, prev_blockhash: header.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()] }, 201); + connect_blocks(&nodes[0], ANTI_REORG_DELAY - 1, 201, true, header_201.block_hash()); 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); - assert_eq!(spend_txn.len(), 3); - assert_eq!(spend_txn[0], spend_txn[1]); + assert_eq!(spend_txn.len(), 2); check_spends!(spend_txn[0], local_txn_1[0]); - check_spends!(spend_txn[2], htlc_timeout); + check_spends!(spend_txn[1], htlc_timeout); } #[test] @@ -5366,15 +5822,15 @@ fn test_static_output_closing_tx() { let closing_tx = close_channel(&nodes[0], &nodes[1], &chan.2, chan.3, true).2; let header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; - nodes[0].block_notifier.block_connected(&Block { header, txdata: vec![closing_tx.clone()] }, 0); - connect_blocks(&nodes[0].block_notifier, ANTI_REORG_DELAY - 1, 0, true, header.bitcoin_hash()); + connect_block(&nodes[0], &Block { header, txdata: vec![closing_tx.clone()] }, 0); + connect_blocks(&nodes[0], ANTI_REORG_DELAY - 1, 0, true, header.block_hash()); let spend_txn = check_spendable_outputs!(nodes[0], 2, node_cfgs[0].keys_manager, 100000); assert_eq!(spend_txn.len(), 1); check_spends!(spend_txn[0], closing_tx); - nodes[1].block_notifier.block_connected(&Block { header, txdata: vec![closing_tx.clone()] }, 0); - connect_blocks(&nodes[1].block_notifier, ANTI_REORG_DELAY - 1, 0, true, header.bitcoin_hash()); + connect_block(&nodes[1], &Block { header, txdata: vec![closing_tx.clone()] }, 0); + connect_blocks(&nodes[1], ANTI_REORG_DELAY - 1, 0, true, header.block_hash()); let spend_txn = check_spendable_outputs!(nodes[1], 2, node_cfgs[1].keys_manager, 100000); assert_eq!(spend_txn.len(), 1); @@ -5412,10 +5868,13 @@ fn do_htlc_claim_local_commitment_only(use_dust: bool) { nodes[1].node.handle_revoke_and_ack(&nodes[0].node.get_our_node_id(), &as_updates.0); check_added_monitors!(nodes[1], 1); - let mut header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; + let mut block = Block { + header: BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }, + txdata: vec![], + }; for i in 1..TEST_FINAL_CLTV - CLTV_CLAIM_BUFFER + CHAN_CONFIRM_DEPTH + 1 { - nodes[1].block_notifier.block_connected_checked(&header, i, &Vec::new(), &Vec::new()); - header.prev_blockhash = header.bitcoin_hash(); + connect_block(&nodes[1], &block, i); + block.header.prev_blockhash = block.block_hash(); } test_txn_broadcast(&nodes[1], &chan, None, if use_dust { HTLCType::NONE } else { HTLCType::SUCCESS }); check_closed_broadcast!(nodes[1], false); @@ -5432,7 +5891,7 @@ fn do_htlc_claim_current_remote_commitment_only(use_dust: bool) { let (_, payment_hash) = get_payment_preimage_hash!(nodes[0]); let net_graph_msg_handler = &nodes[0].net_graph_msg_handler; - let route = get_route(&nodes[0].node.get_our_node_id(), net_graph_msg_handler, &nodes[1].node.get_our_node_id(), None, &Vec::new(), if use_dust { 50000 } else { 3000000 }, TEST_FINAL_CLTV, &logger).unwrap(); + 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(), None, &Vec::new(), if use_dust { 50000 } else { 3000000 }, TEST_FINAL_CLTV, &logger).unwrap(); nodes[0].node.send_payment(&route, payment_hash, &None).unwrap(); check_added_monitors!(nodes[0], 1); @@ -5445,8 +5904,8 @@ fn do_htlc_claim_current_remote_commitment_only(use_dust: bool) { let mut header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; for i in 1..TEST_FINAL_CLTV + LATENCY_GRACE_PERIOD_BLOCKS + CHAN_CONFIRM_DEPTH + 1 { - nodes[0].block_notifier.block_connected(&Block { header, txdata: Vec::new()}, i); - header.prev_blockhash = header.bitcoin_hash(); + connect_block(&nodes[0], &Block { header, txdata: Vec::new()}, i); + header.prev_blockhash = header.block_hash(); } test_txn_broadcast(&nodes[0], &chan, None, HTLCType::NONE); check_closed_broadcast!(nodes[0], false); @@ -5486,10 +5945,13 @@ fn do_htlc_claim_previous_remote_commitment_only(use_dust: bool, check_revoke_no check_added_monitors!(nodes[0], 1); } - let mut header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; + let mut block = Block { + header: BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }, + txdata: vec![], + }; for i in 1..TEST_FINAL_CLTV + LATENCY_GRACE_PERIOD_BLOCKS + CHAN_CONFIRM_DEPTH + 1 { - nodes[0].block_notifier.block_connected_checked(&header, i, &Vec::new(), &Vec::new()); - header.prev_blockhash = header.bitcoin_hash(); + connect_block(&nodes[0], &block, i); + block.header.prev_blockhash = block.block_hash(); } if !check_revoke_no_close { test_txn_broadcast(&nodes[0], &chan, None, HTLCType::NONE); @@ -5528,453 +5990,6 @@ fn htlc_claim_single_commitment_only_b() { do_htlc_claim_previous_remote_commitment_only(false, true); } -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 fails backward -// 1: final node fails backward -// 2: payment completed but the user rejects the payment -// 3: final node fails backward (but tamper onion payloads from node0) -// 100: trigger error in the intermediate node and tamper returning fail_htlc -// 200: trigger error in the final node and tamper returning 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(), -{ - - // 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].block_notifier.block_connected_checked(&header, 1, &[], &[]); - } - - 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.process_pending_htlc_forwards(); - }} - } - - // 0 ~~> 2 send payment - nodes[0].node.send_payment(&route, payment_hash.clone(), &None).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); - 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); - 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(); - expect_pending_htlcs_forwardable!(nodes[2]); - } - - 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); - commitment_signed_dance!(nodes[1], nodes[2], update_2_1.commitment_signed, 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); - } else { - nodes[0].node.handle_update_fail_malformed_htlc(&nodes[1].node.get_our_node_id(), &update_1_0.update_fail_malformed_htlcs[0]); - }; - - 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, error_data: _ } = &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 bitcoin::secp256k1::ffi::Signature as FFISignature; - use bitcoin::secp256k1::Signature; - msgs::ChannelUpdate { - signature: Signature::from(FFISignature::new()), - contents: msgs::UnsignedChannelUpdate { - chain_hash: BlockHash::hash(&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![], - } - } - } -} - -struct BogusOnionHopData { - data: Vec -} -impl BogusOnionHopData { - fn new(orig: msgs::OnionHopData) -> Self { - Self { data: orig.encode() } - } -} -impl Writeable for BogusOnionHopData { - fn write(&self, writer: &mut W) -> Result<(), io::Error> { - writer.write_all(&self.data[..]) - } -} - -#[test] -fn test_onion_failure() { - use ln::msgs::ChannelUpdate; - use ln::channelmanager::CLTV_FAR_FAR_AWAY; - use bitcoin::secp256k1; - - const BADONION: u16 = 0x8000; - const PERM: u16 = 0x4000; - const NODE: u16 = 0x2000; - const UPDATE: u16 = 0x1000; - - 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); - for node in nodes.iter() { - *node.keys_manager.override_session_priv.lock().unwrap() = Some(SecretKey::from_slice(&[3; 32]).unwrap()); - } - let channels = [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 (_, payment_hash) = get_payment_preimage_hash!(nodes[0]); - let net_graph_msg_handler = &nodes[0].net_graph_msg_handler; - let logger = test_utils::TestLogger::new(); - let route = get_route(&nodes[0].node.get_our_node_id(), net_graph_msg_handler, &nodes[2].node.get_our_node_id(), None, &Vec::new(), 40000, TEST_FINAL_CLTV, &logger).unwrap(); - // positve case - send_payment(&nodes[0], &vec!(&nodes[1], &nodes[2])[..], 40000, 40_000); - - // intermediate node failure - run_onion_failure_test("invalid_realm", 0, &nodes, &route, &payment_hash, |msg| { - let session_priv = SecretKey::from_slice(&[3; 32]).unwrap(); - let cur_height = nodes[0].node.latest_block_height.load(Ordering::Acquire) as u32 + 1; - let onion_keys = onion_utils::construct_onion_keys(&Secp256k1::new(), &route.paths[0], &session_priv).unwrap(); - let (mut onion_payloads, _htlc_msat, _htlc_cltv) = onion_utils::build_onion_payloads(&route.paths[0], 40000, &None, cur_height).unwrap(); - let mut new_payloads = Vec::new(); - for payload in onion_payloads.drain(..) { - new_payloads.push(BogusOnionHopData::new(payload)); - } - // break the first (non-final) hop payload by swapping the realm (0) byte for a byte - // describing a length-1 TLV payload, which is obviously bogus. - new_payloads[0].data[0] = 1; - msg.onion_routing_packet = onion_utils::construct_onion_packet_bogus_hopdata(new_payloads, onion_keys, [0; 32], &payment_hash); - }, ||{}, true, Some(PERM|22), 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(&[3; 32]).unwrap(); - let cur_height = nodes[0].node.latest_block_height.load(Ordering::Acquire) as u32 + 1; - let onion_keys = onion_utils::construct_onion_keys(&Secp256k1::new(), &route.paths[0], &session_priv).unwrap(); - let (mut onion_payloads, _htlc_msat, _htlc_cltv) = onion_utils::build_onion_payloads(&route.paths[0], 40000, &None, cur_height).unwrap(); - let mut new_payloads = Vec::new(); - for payload in onion_payloads.drain(..) { - new_payloads.push(BogusOnionHopData::new(payload)); - } - // break the last-hop payload by swapping the realm (0) byte for a byte describing a - // length-1 TLV payload, which is obviously bogus. - new_payloads[1].data[0] = 1; - msg.onion_routing_packet = onion_utils::construct_onion_packet_bogus_hopdata(new_payloads, onion_keys, [0; 32], &payment_hash); - }, ||{}, false, Some(PERM|22), 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 returning error message - let session_priv = SecretKey::from_slice(&[3; 32]).unwrap(); - let onion_keys = onion_utils::construct_onion_keys(&Secp256k1::new(), &route.paths[0], &session_priv).unwrap(); - msg.reason = onion_utils::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.paths[0][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 returning error message - let session_priv = SecretKey::from_slice(&[3; 32]).unwrap(); - let onion_keys = onion_utils::construct_onion_keys(&Secp256k1::new(), &route.paths[0], &session_priv).unwrap(); - msg.reason = onion_utils::build_first_hop_failure_packet(&onion_keys[1].shared_secret[..], NODE|2, &[0;0]); - }, ||{ - nodes[2].node.fail_htlc_backwards(&payment_hash, &None); - }, true, Some(NODE|2), Some(msgs::HTLCFailChannelUpdate::NodeFailure{node_id: route.paths[0][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(&[3; 32]).unwrap(); - let onion_keys = onion_utils::construct_onion_keys(&Secp256k1::new(), &route.paths[0], &session_priv).unwrap(); - msg.reason = onion_utils::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.paths[0][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(&[3; 32]).unwrap(); - let onion_keys = onion_utils::construct_onion_keys(&Secp256k1::new(), &route.paths[0], &session_priv).unwrap(); - msg.reason = onion_utils::build_first_hop_failure_packet(&onion_keys[1].shared_secret[..], PERM|NODE|2, &[0;0]); - }, ||{ - nodes[2].node.fail_htlc_backwards(&payment_hash, &None); - }, false, Some(PERM|NODE|2), Some(msgs::HTLCFailChannelUpdate::NodeFailure{node_id: route.paths[0][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(&[3; 32]).unwrap(); - let onion_keys = onion_utils::construct_onion_keys(&Secp256k1::new(), &route.paths[0], &session_priv).unwrap(); - msg.reason = onion_utils::build_first_hop_failure_packet(&onion_keys[0].shared_secret[..], PERM|NODE|3, &[0;0]); - }, ||{ - nodes[2].node.fail_htlc_backwards(&payment_hash, &None); - }, true, Some(PERM|NODE|3), Some(msgs::HTLCFailChannelUpdate::NodeFailure{node_id: route.paths[0][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(&[3; 32]).unwrap(); - let onion_keys = onion_utils::construct_onion_keys(&Secp256k1::new(), &route.paths[0], &session_priv).unwrap(); - msg.reason = onion_utils::build_first_hop_failure_packet(&onion_keys[1].shared_secret[..], PERM|NODE|3, &[0;0]); - }, ||{ - nodes[2].node.fail_htlc_backwards(&payment_hash, &None); - }, false, Some(PERM|NODE|3), Some(msgs::HTLCFailChannelUpdate::NodeFailure{node_id: route.paths[0][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(&[3; 32]).unwrap(); - let onion_keys = onion_utils::construct_onion_keys(&Secp256k1::new(), &route.paths[0], &session_priv).unwrap(); - msg.reason = onion_utils::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(&[3; 32]).unwrap(); - let onion_keys = onion_utils::construct_onion_keys(&Secp256k1::new(), &route.paths[0], &session_priv).unwrap(); - msg.reason = onion_utils::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(&[3; 32]).unwrap(); - let onion_keys = onion_utils::construct_onion_keys(&Secp256k1::new(), &route.paths[0], &session_priv).unwrap(); - msg.reason = onion_utils::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.paths[0][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.paths[0][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.paths[0].len(); - bogus_route.paths[0][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 - LATENCY_GRACE_PERIOD_BLOCKS + 1; - let header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; - - nodes[1].block_notifier.block_connected_checked(&header, height, &[], &[]); - }, ||{}, 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, &None); - }, false, Some(PERM|15), None); - - run_onion_failure_test("final_expiry_too_soon", 1, &nodes, &route, &payment_hash, |msg| { - let height = msg.cltv_expiry - CLTV_CLAIM_BUFFER - LATENCY_GRACE_PERIOD_BLOCKS + 1; - let header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; - - nodes[2].block_notifier.block_connected_checked(&header, height, &[], &[]); - }, || {}, true, Some(17), None); - - run_onion_failure_test("final_incorrect_cltv_expiry", 1, &nodes, &route, &payment_hash, |_| {}, || { - for (_, pending_forwards) in nodes[1].node.channel_state.lock().unwrap().forward_htlcs.iter_mut() { - for f in pending_forwards.iter_mut() { - match f { - &mut HTLCForwardInfo::AddHTLC { ref mut forward_info, .. } => - 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 (_, pending_forwards) in nodes[1].node.channel_state.lock().unwrap().forward_htlcs.iter_mut() { - for f in pending_forwards.iter_mut() { - match f { - &mut HTLCForwardInfo::AddHTLC { ref mut forward_info, .. } => - 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(&[3; 32]).unwrap(); - let mut route = route.clone(); - let height = 1; - route.paths[0][1].cltv_expiry_delta += CLTV_FAR_FAR_AWAY + route.paths[0][0].cltv_expiry_delta + 1; - let onion_keys = onion_utils::construct_onion_keys(&Secp256k1::new(), &route.paths[0], &session_priv).unwrap(); - let (onion_payloads, _, htlc_cltv) = onion_utils::build_onion_payloads(&route.paths[0], 40000, &None, height).unwrap(); - let onion_packet = onion_utils::construct_onion_packet(onion_payloads, onion_keys, [0; 32], &payment_hash); - msg.cltv_expiry = htlc_cltv; - msg.onion_routing_packet = onion_packet; - }, ||{}, true, Some(21), None); -} - #[test] #[should_panic] fn bolt2_open_channel_sending_node_checks_part1() { //This test needs to be on its own as we are catching a panic @@ -6032,7 +6047,7 @@ fn bolt2_open_channel_sending_node_checks_part2() { assert!(node0_to_1_send_open_channel.to_self_delay==BREAKDOWN_TIMEOUT); // BOLT #2 spec: Sending node must ensure the chain_hash value identifies the chain it wishes to open the channel within. - let chain_hash=genesis_block(Network::Testnet).header.bitcoin_hash(); + let chain_hash=genesis_block(Network::Testnet).header.block_hash(); assert_eq!(node0_to_1_send_open_channel.chain_hash,chain_hash); // BOLT #2 spec: Sending node must set funding_pubkey, revocation_basepoint, htlc_basepoint, payment_basepoint, and delayed_payment_basepoint to valid DER-encoded, compressed, secp256k1 pubkeys. @@ -6043,6 +6058,342 @@ fn bolt2_open_channel_sending_node_checks_part2() { assert!(PublicKey::from_slice(&node0_to_1_send_open_channel.delayed_payment_basepoint.serialize()).is_ok()); } +// Test that if we fail to send an HTLC that is being freed from the holding cell, and the HTLC +// originated from our node, its failure is surfaced to the user. We trigger this failure to +// free the HTLC by increasing our fee while the HTLC is in the holding cell such that the HTLC +// is no longer affordable once it's freed. +#[test] +fn test_fail_holding_cell_htlc_upon_free() { + 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 chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 100000, 95000000, InitFeatures::known(), InitFeatures::known()); + let logger = test_utils::TestLogger::new(); + + // First nodes[0] generates an update_fee, setting the channel's + // pending_update_fee. + nodes[0].node.update_fee(chan.2, get_feerate!(nodes[0], chan.2) + 20).unwrap(); + check_added_monitors!(nodes[0], 1); + + let events = nodes[0].node.get_and_clear_pending_msg_events(); + assert_eq!(events.len(), 1); + let (update_msg, commitment_signed) = match events[0] { + MessageSendEvent::UpdateHTLCs { updates: msgs::CommitmentUpdate { ref update_fee, ref commitment_signed, .. }, .. } => { + (update_fee.as_ref(), commitment_signed) + }, + _ => panic!("Unexpected event"), + }; + + nodes[1].node.handle_update_fee(&nodes[0].node.get_our_node_id(), update_msg.unwrap()); + + let mut chan_stat = get_channel_value_stat!(nodes[0], chan.2); + let channel_reserve = chan_stat.channel_reserve_msat; + let feerate = get_feerate!(nodes[0], chan.2); + + // 2* and +1 HTLCs on the commit tx fee calculation for the fee spike reserve. + let (_, our_payment_hash) = get_payment_preimage_hash!(nodes[0]); + let max_can_send = 5000000 - channel_reserve - 2*commit_tx_fee_msat(feerate, 1 + 1); + let net_graph_msg_handler = &nodes[0].net_graph_msg_handler; + 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(), None, &[], max_can_send, TEST_FINAL_CLTV, &logger).unwrap(); + + // Send a payment which passes reserve checks but gets stuck in the holding cell. + nodes[0].node.send_payment(&route, our_payment_hash, &None).unwrap(); + chan_stat = get_channel_value_stat!(nodes[0], chan.2); + assert_eq!(chan_stat.holding_cell_outbound_amount_msat, max_can_send); + + // Flush the pending fee update. + nodes[1].node.handle_commitment_signed(&nodes[0].node.get_our_node_id(), commitment_signed); + let (as_revoke_and_ack, _) = get_revoke_commit_msgs!(nodes[1], nodes[0].node.get_our_node_id()); + check_added_monitors!(nodes[1], 1); + nodes[0].node.handle_revoke_and_ack(&nodes[1].node.get_our_node_id(), &as_revoke_and_ack); + check_added_monitors!(nodes[0], 1); + + // Upon receipt of the RAA, there will be an attempt to resend the holding cell + // HTLC, but now that the fee has been raised the payment will now fail, causing + // 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(), failure_log.to_string(), 1); + + // Check that the payment failed to be sent out. + let events = nodes[0].node.get_and_clear_pending_events(); + assert_eq!(events.len(), 1); + match &events[0] { + &Event::PaymentFailed { ref payment_hash, ref rejected_by_dest, ref error_code, ref error_data } => { + assert_eq!(our_payment_hash.clone(), *payment_hash); + assert_eq!(*rejected_by_dest, false); + assert_eq!(*error_code, None); + assert_eq!(*error_data, None); + }, + _ => panic!("Unexpected event"), + } +} + +// Test that if multiple HTLCs are released from the holding cell and one is +// valid but the other is no longer valid upon release, the valid HTLC can be +// successfully completed while the other one fails as expected. +#[test] +fn test_free_and_fail_holding_cell_htlcs() { + 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 chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 100000, 95000000, InitFeatures::known(), InitFeatures::known()); + let logger = test_utils::TestLogger::new(); + + // First nodes[0] generates an update_fee, setting the channel's + // pending_update_fee. + nodes[0].node.update_fee(chan.2, get_feerate!(nodes[0], chan.2) + 200).unwrap(); + check_added_monitors!(nodes[0], 1); + + let events = nodes[0].node.get_and_clear_pending_msg_events(); + assert_eq!(events.len(), 1); + let (update_msg, commitment_signed) = match events[0] { + MessageSendEvent::UpdateHTLCs { updates: msgs::CommitmentUpdate { ref update_fee, ref commitment_signed, .. }, .. } => { + (update_fee.as_ref(), commitment_signed) + }, + _ => panic!("Unexpected event"), + }; + + nodes[1].node.handle_update_fee(&nodes[0].node.get_our_node_id(), update_msg.unwrap()); + + let mut chan_stat = get_channel_value_stat!(nodes[0], chan.2); + let channel_reserve = chan_stat.channel_reserve_msat; + let feerate = get_feerate!(nodes[0], chan.2); + + // 2* and +1 HTLCs on the commit tx fee calculation for the fee spike reserve. + let (payment_preimage_1, payment_hash_1) = get_payment_preimage_hash!(nodes[0]); + let amt_1 = 20000; + let (_, payment_hash_2) = get_payment_preimage_hash!(nodes[0]); + let amt_2 = 5000000 - channel_reserve - 2*commit_tx_fee_msat(feerate, 2 + 1) - amt_1; + let net_graph_msg_handler = &nodes[0].net_graph_msg_handler; + let route_1 = get_route(&nodes[0].node.get_our_node_id(), &net_graph_msg_handler.network_graph.read().unwrap(), &nodes[1].node.get_our_node_id(), None, &[], amt_1, TEST_FINAL_CLTV, &logger).unwrap(); + let route_2 = get_route(&nodes[0].node.get_our_node_id(), &net_graph_msg_handler.network_graph.read().unwrap(), &nodes[1].node.get_our_node_id(), None, &[], amt_2, TEST_FINAL_CLTV, &logger).unwrap(); + + // Send 2 payments which pass reserve checks but get stuck in the holding cell. + nodes[0].node.send_payment(&route_1, payment_hash_1, &None).unwrap(); + chan_stat = get_channel_value_stat!(nodes[0], chan.2); + assert_eq!(chan_stat.holding_cell_outbound_amount_msat, amt_1); + nodes[0].node.send_payment(&route_2, payment_hash_2, &None).unwrap(); + chan_stat = get_channel_value_stat!(nodes[0], chan.2); + assert_eq!(chan_stat.holding_cell_outbound_amount_msat, amt_1 + amt_2); + + // Flush the pending fee update. + nodes[1].node.handle_commitment_signed(&nodes[0].node.get_our_node_id(), commitment_signed); + let (revoke_and_ack, commitment_signed) = get_revoke_commit_msgs!(nodes[1], nodes[0].node.get_our_node_id()); + check_added_monitors!(nodes[1], 1); + nodes[0].node.handle_revoke_and_ack(&nodes[1].node.get_our_node_id(), &revoke_and_ack); + nodes[0].node.handle_commitment_signed(&nodes[1].node.get_our_node_id(), &commitment_signed); + check_added_monitors!(nodes[0], 2); + + // Upon receipt of the RAA, there will be an attempt to resend the holding cell HTLCs, + // but now that the fee has been raised the second payment will now fail, causing us + // 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(), failure_log.to_string(), 1); + + // Check that the second payment failed to be sent out. + let events = nodes[0].node.get_and_clear_pending_events(); + assert_eq!(events.len(), 1); + match &events[0] { + &Event::PaymentFailed { ref payment_hash, ref rejected_by_dest, ref error_code, ref error_data } => { + assert_eq!(payment_hash_2.clone(), *payment_hash); + assert_eq!(*rejected_by_dest, false); + assert_eq!(*error_code, None); + assert_eq!(*error_data, None); + }, + _ => panic!("Unexpected event"), + } + + // Complete the first payment and the RAA from the fee update. + let (payment_event, send_raa_event) = { + let mut msgs = nodes[0].node.get_and_clear_pending_msg_events(); + assert_eq!(msgs.len(), 2); + (SendEvent::from_event(msgs.remove(0)), msgs.remove(0)) + }; + let raa = match send_raa_event { + MessageSendEvent::SendRevokeAndACK { msg, .. } => msg, + _ => panic!("Unexpected event"), + }; + nodes[1].node.handle_revoke_and_ack(&nodes[0].node.get_our_node_id(), &raa); + check_added_monitors!(nodes[1], 1); + 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); + let events = nodes[1].node.get_and_clear_pending_events(); + assert_eq!(events.len(), 1); + match events[0] { + Event::PendingHTLCsForwardable { .. } => {}, + _ => panic!("Unexpected event"), + } + nodes[1].node.process_pending_htlc_forwards(); + let events = nodes[1].node.get_and_clear_pending_events(); + assert_eq!(events.len(), 1); + match events[0] { + Event::PaymentReceived { .. } => {}, + _ => panic!("Unexpected event"), + } + nodes[1].node.claim_funds(payment_preimage_1, &None, amt_1); + check_added_monitors!(nodes[1], 1); + let update_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(), &update_msgs.update_fulfill_htlcs[0]); + commitment_signed_dance!(nodes[0], nodes[1], update_msgs.commitment_signed, false, true); + let events = nodes[0].node.get_and_clear_pending_events(); + assert_eq!(events.len(), 1); + match events[0] { + Event::PaymentSent { ref payment_preimage } => { + assert_eq!(*payment_preimage, payment_preimage_1); + } + _ => panic!("Unexpected event"), + } +} + +// Test that if we fail to forward an HTLC that is being freed from the holding cell that the +// HTLC is failed backwards. We trigger this failure to forward the freed HTLC by increasing +// our fee while the HTLC is in the holding cell such that the HTLC is no longer affordable +// once it's freed. +#[test] +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]); + 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()); + let logger = test_utils::TestLogger::new(); + + // First nodes[1] generates an update_fee, setting the channel's + // pending_update_fee. + nodes[1].node.update_fee(chan_1_2.2, get_feerate!(nodes[1], chan_1_2.2) + 20).unwrap(); + check_added_monitors!(nodes[1], 1); + + let events = nodes[1].node.get_and_clear_pending_msg_events(); + assert_eq!(events.len(), 1); + let (update_msg, commitment_signed) = match events[0] { + MessageSendEvent::UpdateHTLCs { updates: msgs::CommitmentUpdate { ref update_fee, ref commitment_signed, .. }, .. } => { + (update_fee.as_ref(), commitment_signed) + }, + _ => panic!("Unexpected event"), + }; + + nodes[2].node.handle_update_fee(&nodes[1].node.get_our_node_id(), update_msg.unwrap()); + + let mut chan_stat = get_channel_value_stat!(nodes[0], chan_0_1.2); + let channel_reserve = chan_stat.channel_reserve_msat; + let feerate = get_feerate!(nodes[0], chan_0_1.2); + + // Send a payment which passes reserve checks but gets stuck in the holding cell. + let feemsat = 239; + let total_routing_fee_msat = (nodes.len() - 2) as u64 * feemsat; + let (_, our_payment_hash) = get_payment_preimage_hash!(nodes[0]); + let max_can_send = 5000000 - channel_reserve - 2*commit_tx_fee_msat(feerate, 1 + 1) - total_routing_fee_msat; + let payment_event = { + let net_graph_msg_handler = &nodes[0].net_graph_msg_handler; + let route = get_route(&nodes[0].node.get_our_node_id(), &net_graph_msg_handler.network_graph.read().unwrap(), &nodes[2].node.get_our_node_id(), None, &[], max_can_send, TEST_FINAL_CLTV, &logger).unwrap(); + nodes[0].node.send_payment(&route, our_payment_hash, &None).unwrap(); + check_added_monitors!(nodes[0], 1); + + let mut events = nodes[0].node.get_and_clear_pending_msg_events(); + assert_eq!(events.len(), 1); + + SendEvent::from_event(events.remove(0)) + }; + nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &payment_event.msgs[0]); + check_added_monitors!(nodes[1], 0); + commitment_signed_dance!(nodes[1], nodes[0], payment_event.commitment_msg, false); + expect_pending_htlcs_forwardable!(nodes[1]); + + chan_stat = get_channel_value_stat!(nodes[1], chan_1_2.2); + assert_eq!(chan_stat.holding_cell_outbound_amount_msat, max_can_send); + + // Flush the pending fee update. + nodes[2].node.handle_commitment_signed(&nodes[1].node.get_our_node_id(), commitment_signed); + let (raa, commitment_signed) = get_revoke_commit_msgs!(nodes[2], nodes[1].node.get_our_node_id()); + check_added_monitors!(nodes[2], 1); + nodes[1].node.handle_revoke_and_ack(&nodes[2].node.get_our_node_id(), &raa); + nodes[1].node.handle_commitment_signed(&nodes[2].node.get_our_node_id(), &commitment_signed); + check_added_monitors!(nodes[1], 2); + + // A final RAA message is generated to finalize the fee update. + let events = nodes[1].node.get_and_clear_pending_msg_events(); + assert_eq!(events.len(), 1); + + let raa_msg = match &events[0] { + &MessageSendEvent::SendRevokeAndACK { ref msg, .. } => { + msg.clone() + }, + _ => panic!("Unexpected event"), + }; + + nodes[2].node.handle_revoke_and_ack(&nodes[1].node.get_our_node_id(), &raa_msg); + check_added_monitors!(nodes[2], 1); + assert!(nodes[2].node.get_and_clear_pending_msg_events().is_empty()); + + // nodes[1]'s ChannelManager will now signal that we have HTLC forwards to process. + let process_htlc_forwards_event = nodes[1].node.get_and_clear_pending_events(); + assert_eq!(process_htlc_forwards_event.len(), 1); + match &process_htlc_forwards_event[0] { + &Event::PendingHTLCsForwardable { .. } => {}, + _ => panic!("Unexpected event"), + } + + // In response, we call ChannelManager's process_pending_htlc_forwards + nodes[1].node.process_pending_htlc_forwards(); + check_added_monitors!(nodes[1], 1); + + // This causes the HTLC to be failed backwards. + let fail_event = nodes[1].node.get_and_clear_pending_msg_events(); + assert_eq!(fail_event.len(), 1); + let (fail_msg, commitment_signed) = match &fail_event[0] { + &MessageSendEvent::UpdateHTLCs { ref updates, .. } => { + assert_eq!(updates.update_add_htlcs.len(), 0); + assert_eq!(updates.update_fulfill_htlcs.len(), 0); + assert_eq!(updates.update_fail_malformed_htlcs.len(), 0); + assert_eq!(updates.update_fail_htlcs.len(), 1); + (updates.update_fail_htlcs[0].clone(), updates.commitment_signed.clone()) + }, + _ => panic!("Unexpected event"), + }; + + // Pass the failure messages back to nodes[0]. + nodes[0].node.handle_update_fail_htlc(&nodes[1].node.get_our_node_id(), &fail_msg); + nodes[0].node.handle_commitment_signed(&nodes[1].node.get_our_node_id(), &commitment_signed); + + // Complete the HTLC failure+removal process. + let (raa, commitment_signed) = get_revoke_commit_msgs!(nodes[0], nodes[1].node.get_our_node_id()); + check_added_monitors!(nodes[0], 1); + nodes[1].node.handle_revoke_and_ack(&nodes[0].node.get_our_node_id(), &raa); + nodes[1].node.handle_commitment_signed(&nodes[0].node.get_our_node_id(), &commitment_signed); + check_added_monitors!(nodes[1], 2); + let final_raa_event = nodes[1].node.get_and_clear_pending_msg_events(); + assert_eq!(final_raa_event.len(), 1); + let raa = match &final_raa_event[0] { + &MessageSendEvent::SendRevokeAndACK { ref msg, .. } => msg.clone(), + _ => 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"), + } + check_added_monitors!(nodes[0], 1); +} + // BOLT 2 Requirements for the Sender when constructing and sending an update_add_htlc message. // BOLT 2 Requirement: MUST NOT offer amount_msat it cannot pay for in the remote commitment transaction at the current feerate_per_kw (see "Updating Fees") while maintaining its channel reserve. //TODO: I don't believe this is explicitly enforced when sending an HTLC but as the Fee aspect of the BOLT specs is in flux leaving this as a TODO. @@ -6059,13 +6410,13 @@ fn test_update_add_htlc_bolt2_sender_value_below_minimum_msat() { let (_, our_payment_hash) = get_payment_preimage_hash!(nodes[0]); let net_graph_msg_handler = &nodes[0].net_graph_msg_handler; let logger = test_utils::TestLogger::new(); - let mut route = get_route(&nodes[0].node.get_our_node_id(), net_graph_msg_handler, &nodes[1].node.get_our_node_id(), None, &[], 100000, TEST_FINAL_CLTV, &logger).unwrap(); + let mut 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(), None, &[], 100000, TEST_FINAL_CLTV, &logger).unwrap(); route.paths[0][0].fee_msat = 100; - unwrap_send_err!(nodes[0].node.send_payment(&route, our_payment_hash, &None), true, APIError::ChannelUnavailable { err }, - assert_eq!(err, "Cannot send less than their minimum HTLC value")); + unwrap_send_err!(nodes[0].node.send_payment(&route, our_payment_hash, &None), true, APIError::ChannelUnavailable { ref err }, + assert!(regex::Regex::new(r"Cannot send less than their minimum HTLC value \(\d+\)").unwrap().is_match(err))); assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty()); - nodes[0].logger.assert_log("lightning::ln::channelmanager".to_string(), "Cannot send less than their minimum HTLC value".to_string(), 1); + nodes[0].logger.assert_log_contains("lightning::ln::channelmanager".to_string(), "Cannot send less than their minimum HTLC value".to_string(), 1); } #[test] @@ -6080,13 +6431,13 @@ fn test_update_add_htlc_bolt2_sender_zero_value_msat() { let net_graph_msg_handler = &nodes[0].net_graph_msg_handler; let logger = test_utils::TestLogger::new(); - let mut route = get_route(&nodes[0].node.get_our_node_id(), net_graph_msg_handler, &nodes[1].node.get_our_node_id(), None, &[], 100000, TEST_FINAL_CLTV, &logger).unwrap(); + let mut 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(), None, &[], 100000, TEST_FINAL_CLTV, &logger).unwrap(); route.paths[0][0].fee_msat = 0; - unwrap_send_err!(nodes[0].node.send_payment(&route, our_payment_hash, &None), true, APIError::ChannelUnavailable { err }, + unwrap_send_err!(nodes[0].node.send_payment(&route, our_payment_hash, &None), true, APIError::ChannelUnavailable { ref err }, assert_eq!(err, "Cannot send 0-msat HTLC")); assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty()); - nodes[0].logger.assert_log("lightning::ln::channelmanager".to_string(), "Cannot send 0-msat HTLC".to_string(), 1); + nodes[0].logger.assert_log_contains("lightning::ln::channelmanager".to_string(), "Cannot send 0-msat HTLC".to_string(), 1); } #[test] @@ -6101,7 +6452,7 @@ fn test_update_add_htlc_bolt2_receiver_zero_value_msat() { let (_, our_payment_hash) = get_payment_preimage_hash!(nodes[0]); let net_graph_msg_handler = &nodes[0].net_graph_msg_handler; let logger = test_utils::TestLogger::new(); - let route = get_route(&nodes[0].node.get_our_node_id(), net_graph_msg_handler, &nodes[1].node.get_our_node_id(), None, &[], 100000, TEST_FINAL_CLTV, &logger).unwrap(); + 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(), None, &[], 100000, TEST_FINAL_CLTV, &logger).unwrap(); nodes[0].node.send_payment(&route, our_payment_hash, &None).unwrap(); check_added_monitors!(nodes[0], 1); let mut updates = get_htlc_update_msgs!(nodes[0], nodes[1].node.get_our_node_id()); @@ -6127,9 +6478,9 @@ fn test_update_add_htlc_bolt2_sender_cltv_expiry_too_high() { let (_, our_payment_hash) = get_payment_preimage_hash!(nodes[0]); let net_graph_msg_handler = &nodes[0].net_graph_msg_handler; - let route = get_route(&nodes[0].node.get_our_node_id(), net_graph_msg_handler, &nodes[1].node.get_our_node_id(), None, &[], 100000000, 500000001, &logger).unwrap(); - unwrap_send_err!(nodes[0].node.send_payment(&route, our_payment_hash, &None), true, APIError::RouteError { err }, - assert_eq!(err, "Channel CLTV overflowed?!")); + 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(), None, &[], 100000000, 500000001, &logger).unwrap(); + unwrap_send_err!(nodes[0].node.send_payment(&route, our_payment_hash, &None), true, APIError::RouteError { ref err }, + assert_eq!(err, &"Channel CLTV overflowed?")); } #[test] @@ -6142,14 +6493,14 @@ fn test_update_add_htlc_bolt2_sender_exceed_max_htlc_num_and_htlc_id_increment() let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]); let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs); let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1000000, 0, InitFeatures::known(), InitFeatures::known()); - let max_accepted_htlcs = nodes[1].node.channel_state.lock().unwrap().by_id.get(&chan.2).unwrap().their_max_accepted_htlcs as u64; + let max_accepted_htlcs = nodes[1].node.channel_state.lock().unwrap().by_id.get(&chan.2).unwrap().counterparty_max_accepted_htlcs as u64; let logger = test_utils::TestLogger::new(); for i in 0..max_accepted_htlcs { let (_, our_payment_hash) = get_payment_preimage_hash!(nodes[0]); let payment_event = { let net_graph_msg_handler = &nodes[0].net_graph_msg_handler; - let route = get_route(&nodes[0].node.get_our_node_id(), net_graph_msg_handler, &nodes[1].node.get_our_node_id(), None, &[], 100000, TEST_FINAL_CLTV, &logger).unwrap(); + 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(), None, &[], 100000, TEST_FINAL_CLTV, &logger).unwrap(); nodes[0].node.send_payment(&route, our_payment_hash, &None).unwrap(); check_added_monitors!(nodes[0], 1); @@ -6171,12 +6522,12 @@ fn test_update_add_htlc_bolt2_sender_exceed_max_htlc_num_and_htlc_id_increment() } let (_, our_payment_hash) = get_payment_preimage_hash!(nodes[0]); let net_graph_msg_handler = &nodes[0].net_graph_msg_handler; - let route = get_route(&nodes[0].node.get_our_node_id(), net_graph_msg_handler, &nodes[1].node.get_our_node_id(), None, &[], 100000, TEST_FINAL_CLTV, &logger).unwrap(); - unwrap_send_err!(nodes[0].node.send_payment(&route, our_payment_hash, &None), true, APIError::ChannelUnavailable { err }, - assert_eq!(err, "Cannot push more than their max accepted HTLCs")); + 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(), None, &[], 100000, TEST_FINAL_CLTV, &logger).unwrap(); + unwrap_send_err!(nodes[0].node.send_payment(&route, our_payment_hash, &None), true, APIError::ChannelUnavailable { ref err }, + assert!(regex::Regex::new(r"Cannot push more than their max accepted HTLCs \(\d+\)").unwrap().is_match(err))); assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty()); - nodes[0].logger.assert_log("lightning::ln::channelmanager".to_string(), "Cannot push more than their max accepted HTLCs".to_string(), 1); + nodes[0].logger.assert_log_contains("lightning::ln::channelmanager".to_string(), "Cannot push more than their max accepted HTLCs".to_string(), 1); } #[test] @@ -6188,19 +6539,19 @@ fn test_update_add_htlc_bolt2_sender_exceed_max_htlc_value_in_flight() { let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs); let channel_value = 100000; let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, channel_value, 0, InitFeatures::known(), InitFeatures::known()); - let max_in_flight = get_channel_value_stat!(nodes[0], chan.2).their_max_htlc_value_in_flight_msat; + let max_in_flight = get_channel_value_stat!(nodes[0], chan.2).counterparty_max_htlc_value_in_flight_msat; send_payment(&nodes[0], &vec!(&nodes[1])[..], max_in_flight, max_in_flight); let (_, our_payment_hash) = get_payment_preimage_hash!(nodes[0]); let net_graph_msg_handler = &nodes[0].net_graph_msg_handler; let logger = test_utils::TestLogger::new(); - let route = get_route(&nodes[0].node.get_our_node_id(), net_graph_msg_handler, &nodes[1].node.get_our_node_id(), None, &[], max_in_flight+1, TEST_FINAL_CLTV, &logger).unwrap(); - unwrap_send_err!(nodes[0].node.send_payment(&route, our_payment_hash, &None), true, APIError::ChannelUnavailable { err }, - assert_eq!(err, "Cannot send value that would put us over the max HTLC value in flight our peer will accept")); + 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(), None, &[], max_in_flight+1, TEST_FINAL_CLTV, &logger).unwrap(); + unwrap_send_err!(nodes[0].node.send_payment(&route, our_payment_hash, &None), true, APIError::ChannelUnavailable { ref err }, + assert!(regex::Regex::new(r"Cannot send value that would put us over the max HTLC value in flight our peer will accept \(\d+\)").unwrap().is_match(err))); assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty()); - nodes[0].logger.assert_log("lightning::ln::channelmanager".to_string(), "Cannot send value that would put us over the max HTLC value in flight our peer will accept".to_string(), 1); + nodes[0].logger.assert_log_contains("lightning::ln::channelmanager".to_string(), "Cannot send value that would put us over the max HTLC value in flight our peer will accept".to_string(), 1); send_payment(&nodes[0], &[&nodes[1]], max_in_flight, max_in_flight); } @@ -6218,13 +6569,13 @@ fn test_update_add_htlc_bolt2_receiver_check_amount_received_more_than_min() { { let chan_lock = nodes[0].node.channel_state.lock().unwrap(); let channel = chan_lock.by_id.get(&chan.2).unwrap(); - htlc_minimum_msat = channel.get_our_htlc_minimum_msat(); + htlc_minimum_msat = channel.get_holder_htlc_minimum_msat(); } let (_, our_payment_hash) = get_payment_preimage_hash!(nodes[0]); let net_graph_msg_handler = &nodes[0].net_graph_msg_handler; let logger = test_utils::TestLogger::new(); - let route = get_route(&nodes[0].node.get_our_node_id(), net_graph_msg_handler, &nodes[1].node.get_our_node_id(), None, &[], htlc_minimum_msat, TEST_FINAL_CLTV, &logger).unwrap(); + 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(), None, &[], htlc_minimum_msat, TEST_FINAL_CLTV, &logger).unwrap(); nodes[0].node.send_payment(&route, our_payment_hash, &None).unwrap(); check_added_monitors!(nodes[0], 1); let mut updates = get_htlc_update_msgs!(nodes[0], nodes[1].node.get_our_node_id()); @@ -6232,7 +6583,7 @@ fn test_update_add_htlc_bolt2_receiver_check_amount_received_more_than_min() { nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &updates.update_add_htlcs[0]); assert!(nodes[1].node.list_channels().is_empty()); let err_msg = check_closed_broadcast!(nodes[1], true).unwrap(); - assert_eq!(err_msg.data, "Remote side tried to send less than our minimum HTLC value"); + assert!(regex::Regex::new(r"Remote side tried to send less than our minimum HTLC value\. Lower limit: \(\d+\)\. Actual: \(\d+\)").unwrap().is_match(err_msg.data.as_str())); check_added_monitors!(nodes[1], 1); } @@ -6244,23 +6595,31 @@ fn test_update_add_htlc_bolt2_receiver_sender_can_afford_amount_sent() { let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]); let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs); let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 100000, 95000000, InitFeatures::known(), InitFeatures::known()); + let logger = test_utils::TestLogger::new(); - let their_channel_reserve = get_channel_value_stat!(nodes[0], chan.2).channel_reserve_msat; + let chan_stat = get_channel_value_stat!(nodes[0], chan.2); + let channel_reserve = chan_stat.channel_reserve_msat; + let feerate = get_feerate!(nodes[0], chan.2); + // The 2* and +1 are for the fee spike reserve. + let commit_tx_fee_outbound = 2 * commit_tx_fee_msat(feerate, 1 + 1); + let max_can_send = 5000000 - channel_reserve - commit_tx_fee_outbound; let (_, our_payment_hash) = get_payment_preimage_hash!(nodes[0]); let net_graph_msg_handler = &nodes[0].net_graph_msg_handler; - let logger = test_utils::TestLogger::new(); - let route = get_route(&nodes[0].node.get_our_node_id(), net_graph_msg_handler, &nodes[1].node.get_our_node_id(), None, &[], 5000000-their_channel_reserve, TEST_FINAL_CLTV, &logger).unwrap(); + 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(), None, &[], max_can_send, TEST_FINAL_CLTV, &logger).unwrap(); nodes[0].node.send_payment(&route, our_payment_hash, &None).unwrap(); check_added_monitors!(nodes[0], 1); let mut updates = get_htlc_update_msgs!(nodes[0], nodes[1].node.get_our_node_id()); - updates.update_add_htlcs[0].amount_msat = 5000000-their_channel_reserve+1; + // Even though channel-initiator senders are required to respect the fee_spike_reserve, + // at this time channel-initiatee receivers are not required to enforce that senders + // respect the fee_spike_reserve. + updates.update_add_htlcs[0].amount_msat = max_can_send + commit_tx_fee_outbound + 1; nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &updates.update_add_htlcs[0]); assert!(nodes[1].node.list_channels().is_empty()); let err_msg = check_closed_broadcast!(nodes[1], true).unwrap(); - assert_eq!(err_msg.data, "Remote HTLC add would put them under their reserve value"); + assert_eq!(err_msg.data, "Remote HTLC add would put them under remote reserve value"); check_added_monitors!(nodes[1], 1); } @@ -6276,16 +6635,10 @@ fn test_update_add_htlc_bolt2_receiver_check_max_htlc_limit() { let logger = test_utils::TestLogger::new(); let (_, our_payment_hash) = get_payment_preimage_hash!(nodes[0]); - - let session_priv = SecretKey::from_slice(&{ - let mut session_key = [0; 32]; - let mut rng = thread_rng(); - rng.fill_bytes(&mut session_key); - session_key - }).expect("RNG is bad!"); + let session_priv = SecretKey::from_slice(&[42; 32]).unwrap(); let net_graph_msg_handler = &nodes[0].net_graph_msg_handler; - let route = get_route(&nodes[0].node.get_our_node_id(), net_graph_msg_handler, &nodes[1].node.get_our_node_id(), None, &[], 3999999, TEST_FINAL_CLTV, &logger).unwrap(); + 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(), None, &[], 3999999, TEST_FINAL_CLTV, &logger).unwrap(); let cur_height = nodes[0].node.latest_block_height.load(Ordering::Acquire) as u32 + 1; let onion_keys = onion_utils::construct_onion_keys(&Secp256k1::signing_only(), &route.paths[0], &session_priv).unwrap(); @@ -6310,7 +6663,7 @@ fn test_update_add_htlc_bolt2_receiver_check_max_htlc_limit() { assert!(nodes[1].node.list_channels().is_empty()); let err_msg = check_closed_broadcast!(nodes[1], true).unwrap(); - assert_eq!(err_msg.data, "Remote tried to push more than our max accepted HTLCs"); + assert!(regex::Regex::new(r"Remote tried to push more than our max accepted HTLCs \(\d+\)").unwrap().is_match(err_msg.data.as_str())); check_added_monitors!(nodes[1], 1); } @@ -6326,16 +6679,16 @@ fn test_update_add_htlc_bolt2_receiver_check_max_in_flight_msat() { let (_, our_payment_hash) = get_payment_preimage_hash!(nodes[0]); let net_graph_msg_handler = &nodes[0].net_graph_msg_handler; - let route = get_route(&nodes[0].node.get_our_node_id(), net_graph_msg_handler, &nodes[1].node.get_our_node_id(), None, &[], 1000000, TEST_FINAL_CLTV, &logger).unwrap(); + 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(), None, &[], 1000000, TEST_FINAL_CLTV, &logger).unwrap(); nodes[0].node.send_payment(&route, our_payment_hash, &None).unwrap(); check_added_monitors!(nodes[0], 1); let mut updates = get_htlc_update_msgs!(nodes[0], nodes[1].node.get_our_node_id()); - updates.update_add_htlcs[0].amount_msat = get_channel_value_stat!(nodes[1], chan.2).their_max_htlc_value_in_flight_msat + 1; + updates.update_add_htlcs[0].amount_msat = get_channel_value_stat!(nodes[1], chan.2).counterparty_max_htlc_value_in_flight_msat + 1; nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &updates.update_add_htlcs[0]); assert!(nodes[1].node.list_channels().is_empty()); let err_msg = check_closed_broadcast!(nodes[1], true).unwrap(); - assert_eq!(err_msg.data,"Remote HTLC add would put them over our max HTLC value"); + assert!(regex::Regex::new("Remote HTLC add would put them over our max HTLC value").unwrap().is_match(err_msg.data.as_str())); check_added_monitors!(nodes[1], 1); } @@ -6351,7 +6704,7 @@ fn test_update_add_htlc_bolt2_receiver_check_cltv_expiry() { create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 100000, 95000000, InitFeatures::known(), InitFeatures::known()); let (_, our_payment_hash) = get_payment_preimage_hash!(nodes[0]); let net_graph_msg_handler = &nodes[0].net_graph_msg_handler; - let route = get_route(&nodes[0].node.get_our_node_id(), net_graph_msg_handler, &nodes[1].node.get_our_node_id(), None, &[], 1000000, TEST_FINAL_CLTV, &logger).unwrap(); + 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(), None, &[], 1000000, TEST_FINAL_CLTV, &logger).unwrap(); nodes[0].node.send_payment(&route, our_payment_hash, &None).unwrap(); check_added_monitors!(nodes[0], 1); let mut updates = get_htlc_update_msgs!(nodes[0], nodes[1].node.get_our_node_id()); @@ -6378,7 +6731,7 @@ fn test_update_add_htlc_bolt2_receiver_check_repeated_id_ignore() { create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known()); let (_, our_payment_hash) = get_payment_preimage_hash!(nodes[0]); let net_graph_msg_handler = &nodes[0].net_graph_msg_handler; - let route = get_route(&nodes[0].node.get_our_node_id(), net_graph_msg_handler, &nodes[1].node.get_our_node_id(), None, &[], 1000000, TEST_FINAL_CLTV, &logger).unwrap(); + 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(), None, &[], 1000000, TEST_FINAL_CLTV, &logger).unwrap(); nodes[0].node.send_payment(&route, our_payment_hash, &None).unwrap(); check_added_monitors!(nodes[0], 1); let updates = get_htlc_update_msgs!(nodes[0], nodes[1].node.get_our_node_id()); @@ -6409,7 +6762,7 @@ fn test_update_add_htlc_bolt2_receiver_check_repeated_id_ignore() { assert!(nodes[1].node.list_channels().is_empty()); let err_msg = check_closed_broadcast!(nodes[1], true).unwrap(); - assert_eq!(err_msg.data, "Remote skipped HTLC ID"); + assert!(regex::Regex::new(r"Remote skipped HTLC ID \(skipped ID: \d+\)").unwrap().is_match(err_msg.data.as_str())); check_added_monitors!(nodes[1], 1); } @@ -6425,7 +6778,7 @@ fn test_update_fulfill_htlc_bolt2_update_fulfill_htlc_before_commitment() { let chan = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known()); let (our_payment_preimage, our_payment_hash) = get_payment_preimage_hash!(nodes[0]); let net_graph_msg_handler = &nodes[0].net_graph_msg_handler; - let route = get_route(&nodes[0].node.get_our_node_id(), net_graph_msg_handler, &nodes[1].node.get_our_node_id(), None, &[], 1000000, TEST_FINAL_CLTV, &logger).unwrap(); + 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(), None, &[], 1000000, TEST_FINAL_CLTV, &logger).unwrap(); nodes[0].node.send_payment(&route, our_payment_hash, &None).unwrap(); check_added_monitors!(nodes[0], 1); @@ -6442,7 +6795,7 @@ fn test_update_fulfill_htlc_bolt2_update_fulfill_htlc_before_commitment() { assert!(nodes[0].node.list_channels().is_empty()); let err_msg = check_closed_broadcast!(nodes[0], true).unwrap(); - assert_eq!(err_msg.data, "Remote tried to fulfill/fail HTLC before it had been committed"); + assert!(regex::Regex::new(r"Remote tried to fulfill/fail HTLC \(\d+\) before it had been committed").unwrap().is_match(err_msg.data.as_str())); check_added_monitors!(nodes[0], 1); } @@ -6459,7 +6812,7 @@ fn test_update_fulfill_htlc_bolt2_update_fail_htlc_before_commitment() { let (_, our_payment_hash) = get_payment_preimage_hash!(nodes[0]); let net_graph_msg_handler = &nodes[0].net_graph_msg_handler; - let route = get_route(&nodes[0].node.get_our_node_id(), net_graph_msg_handler, &nodes[1].node.get_our_node_id(), None, &[], 1000000, TEST_FINAL_CLTV, &logger).unwrap(); + 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(), None, &[], 1000000, TEST_FINAL_CLTV, &logger).unwrap(); nodes[0].node.send_payment(&route, our_payment_hash, &None).unwrap(); check_added_monitors!(nodes[0], 1); let updates = get_htlc_update_msgs!(nodes[0], nodes[1].node.get_our_node_id()); @@ -6475,7 +6828,7 @@ fn test_update_fulfill_htlc_bolt2_update_fail_htlc_before_commitment() { assert!(nodes[0].node.list_channels().is_empty()); let err_msg = check_closed_broadcast!(nodes[0], true).unwrap(); - assert_eq!(err_msg.data, "Remote tried to fulfill/fail HTLC before it had been committed"); + assert!(regex::Regex::new(r"Remote tried to fulfill/fail HTLC \(\d+\) before it had been committed").unwrap().is_match(err_msg.data.as_str())); check_added_monitors!(nodes[0], 1); } @@ -6492,7 +6845,7 @@ fn test_update_fulfill_htlc_bolt2_update_fail_malformed_htlc_before_commitment() let (_, our_payment_hash) = get_payment_preimage_hash!(nodes[0]); let net_graph_msg_handler = &nodes[0].net_graph_msg_handler; - let route = get_route(&nodes[0].node.get_our_node_id(), net_graph_msg_handler, &nodes[1].node.get_our_node_id(), None, &[], 1000000, TEST_FINAL_CLTV, &logger).unwrap(); + 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(), None, &[], 1000000, TEST_FINAL_CLTV, &logger).unwrap(); nodes[0].node.send_payment(&route, our_payment_hash, &None).unwrap(); check_added_monitors!(nodes[0], 1); let updates = get_htlc_update_msgs!(nodes[0], nodes[1].node.get_our_node_id()); @@ -6509,7 +6862,7 @@ fn test_update_fulfill_htlc_bolt2_update_fail_malformed_htlc_before_commitment() assert!(nodes[0].node.list_channels().is_empty()); let err_msg = check_closed_broadcast!(nodes[0], true).unwrap(); - assert_eq!(err_msg.data, "Remote tried to fulfill/fail HTLC before it had been committed"); + assert!(regex::Regex::new(r"Remote tried to fulfill/fail HTLC \(\d+\) before it had been committed").unwrap().is_match(err_msg.data.as_str())); check_added_monitors!(nodes[0], 1); } @@ -6591,7 +6944,7 @@ fn test_update_fulfill_htlc_bolt2_wrong_preimage() { assert!(nodes[0].node.list_channels().is_empty()); let err_msg = check_closed_broadcast!(nodes[0], true).unwrap(); - assert_eq!(err_msg.data, "Remote tried to fulfill HTLC with an incorrect preimage"); + assert!(regex::Regex::new(r"Remote tried to fulfill HTLC \(\d+\) with an incorrect preimage").unwrap().is_match(err_msg.data.as_str())); check_added_monitors!(nodes[0], 1); } @@ -6608,7 +6961,7 @@ fn test_update_fulfill_htlc_bolt2_missing_badonion_bit_for_malformed_htlc_messag let (_, our_payment_hash) = get_payment_preimage_hash!(nodes[0]); let net_graph_msg_handler = &nodes[0].net_graph_msg_handler; - let route = get_route(&nodes[0].node.get_our_node_id(), net_graph_msg_handler, &nodes[1].node.get_our_node_id(), None, &[], 1000000, TEST_FINAL_CLTV, &logger).unwrap(); + 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(), None, &[], 1000000, TEST_FINAL_CLTV, &logger).unwrap(); nodes[0].node.send_payment(&route, our_payment_hash, &None).unwrap(); check_added_monitors!(nodes[0], 1); @@ -6661,7 +7014,7 @@ fn test_update_fulfill_htlc_bolt2_after_malformed_htlc_message_must_forward_upda //First hop let mut payment_event = { let net_graph_msg_handler = &nodes[0].net_graph_msg_handler; - let route = get_route(&nodes[0].node.get_our_node_id(), net_graph_msg_handler, &nodes[2].node.get_our_node_id(), None, &Vec::new(), 100000, TEST_FINAL_CLTV, &logger).unwrap(); + let route = get_route(&nodes[0].node.get_our_node_id(), &net_graph_msg_handler.network_graph.read().unwrap(), &nodes[2].node.get_our_node_id(), None, &Vec::new(), 100000, TEST_FINAL_CLTV, &logger).unwrap(); nodes[0].node.send_payment(&route, our_payment_hash, &None).unwrap(); check_added_monitors!(nodes[0], 1); let mut events = nodes[0].node.get_and_clear_pending_msg_events(); @@ -6734,7 +7087,7 @@ fn do_test_failure_delay_dust_htlc_local_commitment(announce_latest: bool) { let nodes = create_network(2, &node_cfgs, &node_chanmgrs); let chan =create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known()); - let bs_dust_limit = nodes[1].node.channel_state.lock().unwrap().by_id.get(&chan.2).unwrap().our_dust_limit_satoshis; + let bs_dust_limit = nodes[1].node.channel_state.lock().unwrap().by_id.get(&chan.2).unwrap().holder_dust_limit_satoshis; // We route 2 dust-HTLCs between A and B let (_, payment_hash_1) = route_payment(&nodes[0], &[&nodes[1]], bs_dust_limit*1000); @@ -6777,16 +7130,16 @@ fn do_test_failure_delay_dust_htlc_local_commitment(announce_latest: bool) { let header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; if announce_latest { - nodes[0].block_notifier.block_connected(&Block { header, txdata: vec![as_last_commitment_tx[0].clone()]}, 1); + connect_block(&nodes[0], &Block { header, txdata: vec![as_last_commitment_tx[0].clone()]}, 1); } else { - nodes[0].block_notifier.block_connected(&Block { header, txdata: vec![as_prev_commitment_tx[0].clone()]}, 1); + connect_block(&nodes[0], &Block { header, txdata: vec![as_prev_commitment_tx[0].clone()]}, 1); } check_closed_broadcast!(nodes[0], false); check_added_monitors!(nodes[0], 1); assert_eq!(nodes[0].node.get_and_clear_pending_events().len(), 0); - connect_blocks(&nodes[0].block_notifier, ANTI_REORG_DELAY - 1, 1, true, header.bitcoin_hash()); + connect_blocks(&nodes[0], ANTI_REORG_DELAY - 1, 1, true, header.block_hash()); let events = nodes[0].node.get_and_clear_pending_events(); // Only 2 PaymentFailed events should show up, over-dust HTLC has to be failed by timeout tx assert_eq!(events.len(), 2); @@ -6812,60 +7165,6 @@ fn test_failure_delay_dust_htlc_local_commitment() { do_test_failure_delay_dust_htlc_local_commitment(false); } -#[test] -fn test_no_failure_dust_htlc_local_commitment() { - // Transaction filters for failing back dust htlc based on local commitment txn infos has been - // prone to error, we test here that a dummy transaction don't fail them. - - 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 chan = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known()); - - // Rebalance a bit - send_payment(&nodes[0], &vec!(&nodes[1])[..], 8000000, 8_000_000); - - let as_dust_limit = nodes[0].node.channel_state.lock().unwrap().by_id.get(&chan.2).unwrap().our_dust_limit_satoshis; - let bs_dust_limit = nodes[1].node.channel_state.lock().unwrap().by_id.get(&chan.2).unwrap().our_dust_limit_satoshis; - - // We route 2 dust-HTLCs between A and B - let (preimage_1, _) = route_payment(&nodes[0], &[&nodes[1]], bs_dust_limit*1000); - let (preimage_2, _) = route_payment(&nodes[1], &[&nodes[0]], as_dust_limit*1000); - - // Build a dummy invalid transaction trying to spend a commitment tx - let input = TxIn { - previous_output: BitcoinOutPoint { txid: chan.3.txid(), vout: 0 }, - script_sig: Script::new(), - sequence: 0, - witness: Vec::new(), - }; - - let outp = TxOut { - script_pubkey: Builder::new().push_opcode(opcodes::all::OP_RETURN).into_script(), - value: 10000, - }; - - let dummy_tx = Transaction { - version: 2, - lock_time: 0, - input: vec![input], - output: vec![outp] - }; - - let header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; - nodes[0].chan_monitor.simple_monitor.block_connected(&header, 1, &[&dummy_tx], &[1;1]); - assert_eq!(nodes[0].node.get_and_clear_pending_events().len(), 0); - assert_eq!(nodes[0].node.get_and_clear_pending_msg_events().len(), 0); - // We broadcast a few more block to check everything is all right - connect_blocks(&nodes[0].block_notifier, 20, 1, true, header.bitcoin_hash()); - assert_eq!(nodes[0].node.get_and_clear_pending_events().len(), 0); - assert_eq!(nodes[0].node.get_and_clear_pending_msg_events().len(), 0); - - claim_payment(&nodes[0], &vec!(&nodes[1])[..], preimage_1, bs_dust_limit*1000); - claim_payment(&nodes[1], &vec!(&nodes[0])[..], preimage_2, as_dust_limit*1000); -} - fn do_test_sweep_outbound_htlc_failure_update(revoked: bool, local: bool) { // Outbound HTLC-failure updates must be cancelled if we get a reorg before we reach ANTI_REORG_DELAY. // Broadcast of revoked remote commitment tx, trigger failure-update of dust/non-dust HTLCs @@ -6880,7 +7179,7 @@ fn do_test_sweep_outbound_htlc_failure_update(revoked: bool, local: bool) { let nodes = create_network(3, &node_cfgs, &node_chanmgrs); let chan = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known()); - let bs_dust_limit = nodes[1].node.channel_state.lock().unwrap().by_id.get(&chan.2).unwrap().our_dust_limit_satoshis; + let bs_dust_limit = nodes[1].node.channel_state.lock().unwrap().by_id.get(&chan.2).unwrap().holder_dust_limit_satoshis; let (_payment_preimage_1, dust_hash) = route_payment(&nodes[0], &[&nodes[1]], bs_dust_limit*1000); let (_payment_preimage_2, non_dust_hash) = route_payment(&nodes[0], &[&nodes[1]], 1000000); @@ -6898,38 +7197,38 @@ fn do_test_sweep_outbound_htlc_failure_update(revoked: bool, local: bool) { let mut timeout_tx = Vec::new(); if local { // We fail dust-HTLC 1 by broadcast of local commitment tx - nodes[0].block_notifier.block_connected(&Block { header, txdata: vec![as_commitment_tx[0].clone()]}, 1); + connect_block(&nodes[0], &Block { header, txdata: vec![as_commitment_tx[0].clone()]}, 1); check_closed_broadcast!(nodes[0], false); 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()); - let parent_hash = connect_blocks(&nodes[0].block_notifier, ANTI_REORG_DELAY - 1, 2, true, header.bitcoin_hash()); + let parent_hash = connect_blocks(&nodes[0], ANTI_REORG_DELAY - 1, 2, true, header.block_hash()); expect_payment_failed!(nodes[0], dust_hash, true); 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 let header_2 = BlockHeader { version: 0x20000000, prev_blockhash: parent_hash, merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; assert_eq!(nodes[0].node.get_and_clear_pending_events().len(), 0); - nodes[0].block_notifier.block_connected(&Block { header: header_2, txdata: vec![timeout_tx[0].clone()]}, 7); - let header_3 = BlockHeader { version: 0x20000000, prev_blockhash: header_2.bitcoin_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; - connect_blocks(&nodes[0].block_notifier, ANTI_REORG_DELAY - 1, 8, true, header_3.bitcoin_hash()); + connect_block(&nodes[0], &Block { header: header_2, txdata: vec![timeout_tx[0].clone()]}, 7); + let header_3 = BlockHeader { version: 0x20000000, prev_blockhash: header_2.block_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; + connect_blocks(&nodes[0], ANTI_REORG_DELAY - 1, 8, true, header_3.block_hash()); expect_payment_failed!(nodes[0], non_dust_hash, true); } else { // We fail dust-HTLC 1 by broadcast of remote commitment tx. If revoked, fail also non-dust HTLC - nodes[0].block_notifier.block_connected(&Block { header, txdata: vec![bs_commitment_tx[0].clone()]}, 1); + connect_block(&nodes[0], &Block { header, txdata: vec![bs_commitment_tx[0].clone()]}, 1); check_closed_broadcast!(nodes[0], false); 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()); - let parent_hash = connect_blocks(&nodes[0].block_notifier, ANTI_REORG_DELAY - 1, 2, true, header.bitcoin_hash()); + let parent_hash = connect_blocks(&nodes[0], ANTI_REORG_DELAY - 1, 2, true, header.block_hash()); let header_2 = BlockHeader { version: 0x20000000, prev_blockhash: parent_hash, merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; 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); // We fail non-dust-HTLC 2 by broadcast of local timeout tx on remote commitment tx - nodes[0].block_notifier.block_connected(&Block { header: header_2, txdata: vec![timeout_tx[0].clone()]}, 7); + connect_block(&nodes[0], &Block { header: header_2, txdata: vec![timeout_tx[0].clone()]}, 7); assert_eq!(nodes[0].node.get_and_clear_pending_events().len(), 0); - let header_3 = BlockHeader { version: 0x20000000, prev_blockhash: header_2.bitcoin_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; - connect_blocks(&nodes[0].block_notifier, ANTI_REORG_DELAY - 1, 8, true, header_3.bitcoin_hash()); + let header_3 = BlockHeader { version: 0x20000000, prev_blockhash: header_2.block_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; + connect_blocks(&nodes[0], ANTI_REORG_DELAY - 1, 8, true, header_3.block_hash()); expect_payment_failed!(nodes[0], non_dust_hash, true); } else { // If revoked, both dust & non-dust HTLCs should have been failed after ANTI_REORG_DELAY confs of revoked @@ -6985,7 +7284,7 @@ fn test_upfront_shutdown_script() { node_0_shutdown.scriptpubkey = Builder::new().push_opcode(opcodes::all::OP_RETURN).into_script().to_p2sh(); // Test we enforce upfront_scriptpbukey if by providing a diffrent one at closing that we disconnect peer nodes[2].node.handle_shutdown(&nodes[0].node.get_our_node_id(), &node_0_shutdown); - assert_eq!(check_closed_broadcast!(nodes[2], true).unwrap().data, "Got shutdown request with a scriptpubkey which did not match their previous scriptpubkey"); + assert!(regex::Regex::new(r"Got shutdown request with a scriptpubkey \([A-Fa-f0-9]+\) which did not match their previous scriptpubkey.").unwrap().is_match(check_closed_broadcast!(nodes[2], true).unwrap().data.as_str())); check_added_monitors!(nodes[2], 1); // We test that in case of peer committing upfront to a script, if it doesn't change at closing, we sign @@ -7066,7 +7365,7 @@ fn test_user_configurable_csv_delay() { let keys_manager: Arc> = Arc::new(test_utils::TestKeysInterface::new(&nodes[0].node_seed, Network::Testnet)); if let Err(error) = Channel::new_outbound(&&test_utils::TestFeeEstimator { sat_per_kw: 253 }, &keys_manager, nodes[1].node.get_our_node_id(), 1000000, 1000000, 0, &low_our_to_self_config) { match error { - APIError::APIMisuseError { err } => { assert_eq!(err, "Configured with an unreasonable our_to_self_delay putting user funds at risks"); }, + 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"), } } else { assert!(false) } @@ -7077,7 +7376,7 @@ fn test_user_configurable_csv_delay() { open_channel.to_self_delay = 200; if let Err(error) = Channel::new_from_req(&&test_utils::TestFeeEstimator { sat_per_kw: 253 }, &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_eq!(err, "Configured with an unreasonable our_to_self_delay putting user funds at risks"); }, + 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"), } } else { assert!(false); } @@ -7091,7 +7390,7 @@ fn test_user_configurable_csv_delay() { if let MessageSendEvent::HandleError { ref action, .. } = nodes[0].node.get_and_clear_pending_msg_events()[0] { match action { &ErrorAction::SendErrorMessage { ref msg } => { - assert_eq!(msg.data,"They wanted our payments to be delayed by a needlessly long period"); + 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(msg.data.as_str())); }, _ => { assert!(false); } } @@ -7103,7 +7402,7 @@ fn test_user_configurable_csv_delay() { open_channel.to_self_delay = 200; if let Err(error) = Channel::new_from_req(&&test_utils::TestFeeEstimator { sat_per_kw: 253 }, &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_eq!(err, "They wanted our payments to be delayed by a needlessly long period"); }, + 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"), } } else { assert!(false); } @@ -7116,10 +7415,11 @@ fn test_data_loss_protect() { // * we close channel in case of detecting other being fallen behind // * we are able to claim our own outputs thanks to to_remote being static let keys_manager; + let persister; let logger; let fee_estimator; let tx_broadcaster; - let chain_monitor; + let chain_source; let monitor; let node_state_0; let chanmon_cfgs = create_chanmon_cfgs(2); @@ -7131,8 +7431,8 @@ fn test_data_loss_protect() { // Cache node A state before any channel update let previous_node_state = nodes[0].node.encode(); - let mut previous_chan_monitor_state = test_utils::TestVecWriter(Vec::new()); - nodes[0].chan_monitor.simple_monitor.monitors.lock().unwrap().iter().next().unwrap().1.write_for_disk(&mut previous_chan_monitor_state).unwrap(); + let mut previous_chain_monitor_state = test_utils::TestVecWriter(Vec::new()); + nodes[0].chain_monitor.chain_monitor.monitors.lock().unwrap().iter().next().unwrap().1.serialize_for_disk(&mut previous_chain_monitor_state).unwrap(); send_payment(&nodes[0], &vec!(&nodes[1])[..], 8000000, 8_000_000); send_payment(&nodes[0], &vec!(&nodes[1])[..], 8000000, 8_000_000); @@ -7142,33 +7442,30 @@ fn test_data_loss_protect() { // Restore node A from previous state logger = test_utils::TestLogger::with_id(format!("node {}", 0)); - let mut chan_monitor = <(BlockHash, ChannelMonitor)>::read(&mut ::std::io::Cursor::new(previous_chan_monitor_state.0)).unwrap().1; - chain_monitor = ChainWatchInterfaceUtil::new(Network::Testnet); + let mut chain_monitor = <(BlockHash, ChannelMonitor)>::read(&mut ::std::io::Cursor::new(previous_chain_monitor_state.0)).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 }; keys_manager = test_utils::TestKeysInterface::new(&nodes[0].node_seed, Network::Testnet); - monitor = test_utils::TestChannelMonitor::new(&chain_monitor, &tx_broadcaster, &logger, &fee_estimator); + persister = test_utils::TestPersister::new(); + monitor = test_utils::TestChainMonitor::new(Some(&chain_source), &tx_broadcaster, &logger, &fee_estimator, &persister); node_state_0 = { let mut channel_monitors = HashMap::new(); - channel_monitors.insert(OutPoint { txid: chan.3.txid(), index: 0 }, &mut chan_monitor); - <(BlockHash, ChannelManager)>::read(&mut ::std::io::Cursor::new(previous_node_state), ChannelManagerReadArgs { + channel_monitors.insert(OutPoint { txid: chan.3.txid(), index: 0 }, &mut chain_monitor); + <(BlockHash, ChannelManager)>::read(&mut ::std::io::Cursor::new(previous_node_state), ChannelManagerReadArgs { keys_manager: &keys_manager, fee_estimator: &fee_estimator, - monitor: &monitor, + chain_monitor: &monitor, logger: &logger, tx_broadcaster: &tx_broadcaster, default_config: UserConfig::default(), - channel_monitors: &mut channel_monitors, + channel_monitors, }).unwrap().1 }; nodes[0].node = &node_state_0; - assert!(monitor.add_monitor(OutPoint { txid: chan.3.txid(), index: 0 }, chan_monitor).is_ok()); - nodes[0].chan_monitor = &monitor; - nodes[0].chain_monitor = &chain_monitor; - - nodes[0].block_notifier = BlockNotifier::new(&nodes[0].chain_monitor); - nodes[0].block_notifier.register_listener(&nodes[0].chan_monitor.simple_monitor); - nodes[0].block_notifier.register_listener(nodes[0].node); + assert!(monitor.watch_channel(OutPoint { txid: chan.3.txid(), index: 0 }, chain_monitor).is_ok()); + nodes[0].chain_monitor = &monitor; + nodes[0].chain_source = &chain_source; check_added_monitors!(nodes[0], 1); @@ -7216,8 +7513,8 @@ fn test_data_loss_protect() { check_spends!(node_txn[0], chan.3); assert_eq!(node_txn[0].output.len(), 2); let header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42}; - nodes[0].block_notifier.block_connected(&Block { header, txdata: vec![node_txn[0].clone()]}, 0); - connect_blocks(&nodes[0].block_notifier, ANTI_REORG_DELAY - 1, 0, true, header.bitcoin_hash()); + connect_block(&nodes[0], &Block { header, txdata: vec![node_txn[0].clone()]}, 0); + connect_blocks(&nodes[0], ANTI_REORG_DELAY - 1, 0, true, header.block_hash()); let spend_txn = check_spendable_outputs!(nodes[0], 1, node_cfgs[0].keys_manager, 100000); assert_eq!(spend_txn.len(), 1); check_spends!(spend_txn[0], node_txn[0]); @@ -7347,7 +7644,7 @@ fn test_bump_penalty_txn_on_revoked_commitment() { let payment_preimage = route_payment(&nodes[0], &vec!(&nodes[1])[..], 3000000).0; let net_graph_msg_handler = &nodes[1].net_graph_msg_handler; - let route = get_route(&nodes[1].node.get_our_node_id(), net_graph_msg_handler, &nodes[0].node.get_our_node_id(), None, &Vec::new(), 3000000, 30, &logger).unwrap(); + let route = get_route(&nodes[1].node.get_our_node_id(), &net_graph_msg_handler.network_graph.read().unwrap(), &nodes[0].node.get_our_node_id(), None, &Vec::new(), 3000000, 30, &logger).unwrap(); send_along_route(&nodes[1], route, &vec!(&nodes[0])[..], 3000000); let revoked_txn = get_local_commitment_txn!(nodes[0], chan.2); @@ -7365,12 +7662,12 @@ fn test_bump_penalty_txn_on_revoked_commitment() { } // Connect blocks to change height_timer range to see if we use right soonest_timelock - let header_114 = connect_blocks(&nodes[1].block_notifier, 114, 0, false, Default::default()); + let header_114 = connect_blocks(&nodes[1], 114, 0, false, Default::default()); // Actually revoke tx by claiming a HTLC claim_payment(&nodes[0], &vec!(&nodes[1])[..], payment_preimage, 3_000_000); let header = BlockHeader { version: 0x20000000, prev_blockhash: header_114, merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; - nodes[1].block_notifier.block_connected(&Block { header, txdata: vec![revoked_txn[0].clone()] }, 115); + connect_block(&nodes[1], &Block { header, txdata: vec![revoked_txn[0].clone()] }, 115); check_added_monitors!(nodes[1], 1); // One or more justice tx should have been broadcast, check it @@ -7389,7 +7686,7 @@ fn test_bump_penalty_txn_on_revoked_commitment() { }; // After exhaustion of height timer, a new bumped justice tx should have been broadcast, check it - let header = connect_blocks(&nodes[1].block_notifier, 3, 115, true, header.bitcoin_hash()); + let header = connect_blocks(&nodes[1], 3, 115, true, header.block_hash()); let mut penalty_2 = penalty_1; let mut feerate_2 = 0; { @@ -7412,7 +7709,7 @@ fn test_bump_penalty_txn_on_revoked_commitment() { assert_ne!(feerate_2, 0); // After exhaustion of height timer for a 2nd time, a new bumped justice tx should have been broadcast, check it - connect_blocks(&nodes[1].block_notifier, 3, 118, true, header); + connect_blocks(&nodes[1], 3, 118, true, header); let penalty_3; let mut feerate_3 = 0; { @@ -7462,7 +7759,7 @@ fn test_bump_penalty_txn_on_revoked_htlcs() { let header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; // B will generate both revoked HTLC-timeout/HTLC-preimage txn from revoked commitment tx - nodes[1].block_notifier.block_connected(&Block { header, txdata: vec![revoked_local_txn[0].clone()] }, 1); + connect_block(&nodes[1], &Block { header, txdata: vec![revoked_local_txn[0].clone()] }, 1); check_closed_broadcast!(nodes[1], false); check_added_monitors!(nodes[1], 1); @@ -7473,21 +7770,23 @@ fn test_bump_penalty_txn_on_revoked_htlcs() { 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]); } // Broadcast set of revoked txn on A - let header_128 = connect_blocks(&nodes[0].block_notifier, 128, 0, true, header.bitcoin_hash()); + let header_128 = BlockHeader { version: 0x20000000, prev_blockhash: header.block_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; + connect_block(&nodes[0], &Block { header: header_128, txdata: vec![revoked_local_txn[0].clone()] }, 128); expect_pending_htlcs_forwardable_ignore!(nodes[0]); - - let header_129 = BlockHeader { version: 0x20000000, prev_blockhash: header_128, merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; - nodes[0].block_notifier.block_connected(&Block { header: header_129, txdata: vec![revoked_local_txn[0].clone(), revoked_htlc_txn[0].clone(), revoked_htlc_txn[1].clone()] }, 129); + let header_129 = BlockHeader { version: 0x20000000, prev_blockhash: header_128.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()] }, 129); let first; let feerate_1; let penalty_txn; @@ -7495,34 +7794,73 @@ fn test_bump_penalty_txn_on_revoked_htlcs() { let mut node_txn = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap(); assert_eq!(node_txn.len(), 5); // 3 penalty txn on revoked commitment tx + A commitment tx + 1 penalty tnx on revoked HTLC txn // Verify claim tx are spending revoked HTLC txn + + // node_txn 0-2 each spend a separate revoked output from revoked_local_txn[0] + // Note that node_txn[0] and node_txn[1] are bogus - they double spend the revoked_htlc_txn + // which are included in the same block (they are broadcasted because we scan the + // transactions linearly and generate claims as we go, they likely should be removed in the + // future). + assert_eq!(node_txn[0].input.len(), 1); + check_spends!(node_txn[0], revoked_local_txn[0]); + assert_eq!(node_txn[1].input.len(), 1); + check_spends!(node_txn[1], revoked_local_txn[0]); + assert_eq!(node_txn[2].input.len(), 1); + check_spends!(node_txn[2], revoked_local_txn[0]); + + // Each of the three justice transactions claim a separate (single) output of the three + // available, which we check here: + assert_ne!(node_txn[0].input[0].previous_output, node_txn[1].input[0].previous_output); + assert_ne!(node_txn[0].input[0].previous_output, node_txn[2].input[0].previous_output); + 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); + + // 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 + // a remote commitment tx has already been confirmed). + check_spends!(node_txn[3], chan.3); + + // node_txn[4] spends the revoked outputs from the revoked_htlc_txn (which only have one + // 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]); + 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; feerate_1 = fee_1 * 1000 / node_txn[4].get_weight() as u64; - penalty_txn = vec![node_txn[0].clone(), node_txn[1].clone(), node_txn[2].clone()]; + penalty_txn = vec![node_txn[2].clone()]; node_txn.clear(); } - // Connect three more block to see if bumped penalty are issued for HTLC txn - let header_130 = BlockHeader { version: 0x20000000, prev_blockhash: header_129.bitcoin_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; - nodes[0].block_notifier.block_connected(&Block { header: header_130, txdata: penalty_txn }, 130); + // Connect one more block to see if bumped penalty are issued for HTLC txn + let header_130 = BlockHeader { version: 0x20000000, prev_blockhash: header_129.block_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; + connect_block(&nodes[0], &Block { header: header_130, txdata: penalty_txn }, 130); + let header_131 = BlockHeader { version: 0x20000000, prev_blockhash: header_130.block_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; + connect_block(&nodes[0], &Block { header: header_131, txdata: Vec::new() }, 131); { let mut node_txn = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap(); assert_eq!(node_txn.len(), 2); // 2 bumped penalty txn on revoked commitment tx check_spends!(node_txn[0], revoked_local_txn[0]); 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); + } else { + assert_eq!(node_txn[0].input[0].previous_output, revoked_htlc_txn[1].input[0].previous_output); + assert_eq!(node_txn[1].input[0].previous_output, revoked_htlc_txn[0].input[0].previous_output); + } node_txn.clear(); }; // Few more blocks to confirm penalty txn - let header_135 = connect_blocks(&nodes[0].block_notifier, 5, 130, true, header_130.bitcoin_hash()); + let header_135 = connect_blocks(&nodes[0], 4, 131, true, header_131.block_hash()); assert!(nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap().is_empty()); - let header_144 = connect_blocks(&nodes[0].block_notifier, 9, 135, true, header_135); + let header_144 = connect_blocks(&nodes[0], 9, 135, true, header_135); let node_txn = { let mut node_txn = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap(); assert_eq!(node_txn.len(), 1); @@ -7540,8 +7878,8 @@ fn test_bump_penalty_txn_on_revoked_htlcs() { }; // Broadcast claim txn and confirm blocks to avoid further bumps on this outputs let header_145 = BlockHeader { version: 0x20000000, prev_blockhash: header_144, merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; - nodes[0].block_notifier.block_connected(&Block { header: header_145, txdata: node_txn }, 145); - connect_blocks(&nodes[0].block_notifier, 20, 145, true, header_145.bitcoin_hash()); + connect_block(&nodes[0], &Block { header: header_145, txdata: node_txn }, 145); + connect_blocks(&nodes[0], 20, 145, true, header_145.block_hash()); { let mut node_txn = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap(); // We verify than no new transaction has been broadcast because previously @@ -7584,7 +7922,7 @@ fn test_bump_penalty_txn_on_remote_commitment() { // Claim a HTLC without revocation (provide B monitor with preimage) nodes[1].node.claim_funds(payment_preimage, &None, 3_000_000); let header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; - nodes[1].block_notifier.block_connected(&Block { header, txdata: vec![remote_txn[0].clone()] }, 1); + connect_block(&nodes[1], &Block { header, txdata: vec![remote_txn[0].clone()] }, 1); check_added_monitors!(nodes[1], 2); // One or more claim tx should have been broadcast, check it @@ -7629,7 +7967,7 @@ fn test_bump_penalty_txn_on_remote_commitment() { assert_ne!(feerate_preimage, 0); // After exhaustion of height timer, new bumped claim txn should have been broadcast, check it - connect_blocks(&nodes[1].block_notifier, 15, 1, true, header.bitcoin_hash()); + connect_blocks(&nodes[1], 15, 1, true, header.block_hash()); { let mut node_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap(); assert_eq!(node_txn.len(), 2); @@ -7693,7 +8031,7 @@ fn test_set_outpoints_partial_claiming() { check_spends!(remote_txn[2], remote_txn[0]); // Connect blocks on node A to advance height towards TEST_FINAL_CLTV - let prev_header_100 = connect_blocks(&nodes[1].block_notifier, 100, 0, false, Default::default()); + let prev_header_100 = connect_blocks(&nodes[1], 100, 0, false, Default::default()); // Provide node A with both preimage nodes[0].node.claim_funds(payment_preimage_1, &None, 3_000_000); nodes[0].node.claim_funds(payment_preimage_2, &None, 3_000_000); @@ -7703,7 +8041,7 @@ fn test_set_outpoints_partial_claiming() { // Connect blocks on node A commitment transaction let header = BlockHeader { version: 0x20000000, prev_blockhash: prev_header_100, merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; - nodes[0].block_notifier.block_connected(&Block { header, txdata: vec![remote_txn[0].clone()] }, 101); + connect_block(&nodes[0], &Block { header, txdata: vec![remote_txn[0].clone()] }, 101); check_closed_broadcast!(nodes[0], false); check_added_monitors!(nodes[0], 1); // Verify node A broadcast tx claiming both HTLCs @@ -7720,7 +8058,7 @@ fn test_set_outpoints_partial_claiming() { } // Connect blocks on node B - connect_blocks(&nodes[1].block_notifier, 135, 0, false, Default::default()); + connect_blocks(&nodes[1], 135, 0, false, Default::default()); check_closed_broadcast!(nodes[1], false); check_added_monitors!(nodes[1], 1); // Verify node B broadcast 2 HTLC-timeout txn @@ -7735,8 +8073,8 @@ fn test_set_outpoints_partial_claiming() { }; // Broadcast partial claim on node A, should regenerate a claiming tx with HTLC dropped - let header = BlockHeader { version: 0x20000000, prev_blockhash: header.bitcoin_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; - nodes[0].block_notifier.block_connected(&Block { header, txdata: vec![partial_claim_tx.clone()] }, 102); + let header = BlockHeader { version: 0x20000000, prev_blockhash: header.block_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; + connect_block(&nodes[0], &Block { header, txdata: vec![partial_claim_tx.clone()] }, 102); { let mut node_txn = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap(); assert_eq!(node_txn.len(), 1); @@ -7747,7 +8085,7 @@ fn test_set_outpoints_partial_claiming() { nodes[0].node.get_and_clear_pending_msg_events(); // Disconnect last block on node A, should regenerate a claiming tx with HTLC dropped - nodes[0].block_notifier.block_disconnected(&header, 102); + disconnect_block(&nodes[0], &header, 102); { let mut node_txn = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap(); assert_eq!(node_txn.len(), 1); @@ -7757,8 +8095,8 @@ fn test_set_outpoints_partial_claiming() { } //// Disconnect one more block and then reconnect multiple no transaction should be generated - nodes[0].block_notifier.block_disconnected(&header, 101); - connect_blocks(&nodes[1].block_notifier, 15, 101, false, prev_header_100); + disconnect_block(&nodes[0], &header, 101); + connect_blocks(&nodes[1], 15, 101, false, prev_header_100); { let mut node_txn = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap(); assert_eq!(node_txn.len(), 0); @@ -7782,11 +8120,12 @@ fn test_counterparty_raa_skip_no_crash() { let nodes = create_network(2, &node_cfgs, &node_chanmgrs); let channel_id = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known()).2; - let commitment_seed = nodes[0].node.channel_state.lock().unwrap().by_id.get_mut(&channel_id).unwrap().local_keys.commitment_seed().clone(); + let mut guard = nodes[0].node.channel_state.lock().unwrap(); + let keys = &guard.by_id.get_mut(&channel_id).unwrap().holder_keys; const INITIAL_COMMITMENT_NUMBER: u64 = (1 << 48) - 1; let next_per_commitment_point = PublicKey::from_secret_key(&Secp256k1::new(), - &SecretKey::from_slice(&chan_utils::build_commitment_secret(&commitment_seed, INITIAL_COMMITMENT_NUMBER - 2)).unwrap()); - let per_commitment_secret = chan_utils::build_commitment_secret(&commitment_seed, INITIAL_COMMITMENT_NUMBER); + &SecretKey::from_slice(&keys.release_commitment_secret(INITIAL_COMMITMENT_NUMBER - 2)).unwrap()); + let per_commitment_secret = keys.release_commitment_secret(INITIAL_COMMITMENT_NUMBER); nodes[1].node.handle_revoke_and_ack(&nodes[0].node.get_our_node_id(), &msgs::RevokeAndACK { channel_id, per_commitment_secret, next_per_commitment_point }); @@ -7817,11 +8156,11 @@ fn test_bump_txn_sanitize_tracking_maps() { claim_payment(&nodes[0], &vec!(&nodes[1])[..], payment_preimage, 9_000_000); // Broadcast set of revoked txn on A - let header_128 = connect_blocks(&nodes[0].block_notifier, 128, 0, false, Default::default()); + let header_128 = connect_blocks(&nodes[0], 128, 0, false, Default::default()); expect_pending_htlcs_forwardable_ignore!(nodes[0]); let header_129 = BlockHeader { version: 0x20000000, prev_blockhash: header_128, merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; - nodes[0].block_notifier.block_connected(&Block { header: header_129, txdata: vec![revoked_local_txn[0].clone()] }, 129); + connect_block(&nodes[0], &Block { header: header_129, txdata: vec![revoked_local_txn[0].clone()] }, 129); check_closed_broadcast!(nodes[0], false); check_added_monitors!(nodes[0], 1); let penalty_txn = { @@ -7834,11 +8173,11 @@ fn test_bump_txn_sanitize_tracking_maps() { node_txn.clear(); penalty_txn }; - let header_130 = BlockHeader { version: 0x20000000, prev_blockhash: header_129.bitcoin_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; - nodes[0].block_notifier.block_connected(&Block { header: header_130, txdata: penalty_txn }, 130); - connect_blocks(&nodes[0].block_notifier, 5, 130, false, header_130.bitcoin_hash()); + let header_130 = BlockHeader { version: 0x20000000, prev_blockhash: header_129.block_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; + connect_block(&nodes[0], &Block { header: header_130, txdata: penalty_txn }, 130); + connect_blocks(&nodes[0], 5, 130, false, header_130.block_hash()); { - let monitors = nodes[0].chan_monitor.simple_monitor.monitors.lock().unwrap(); + let monitors = nodes[0].chain_monitor.chain_monitor.monitors.lock().unwrap(); if let Some(monitor) = monitors.get(&OutPoint { txid: chan.3.txid(), index: 0 }) { assert!(monitor.onchain_tx_handler.pending_claim_requests.is_empty()); assert!(monitor.onchain_tx_handler.claimable_outpoints.is_empty()); @@ -7899,7 +8238,7 @@ fn test_simple_payment_secret() { let (payment_preimage, payment_hash) = get_payment_preimage_hash!(&nodes[0]); let payment_secret = PaymentSecret([0xdb; 32]); let net_graph_msg_handler = &nodes[0].net_graph_msg_handler; - let route = get_route(&nodes[0].node.get_our_node_id(), net_graph_msg_handler, &nodes[2].node.get_our_node_id(), None, &[], 100000, TEST_FINAL_CLTV, &logger).unwrap(); + let route = get_route(&nodes[0].node.get_our_node_id(), &net_graph_msg_handler.network_graph.read().unwrap(), &nodes[2].node.get_our_node_id(), None, &[], 100000, TEST_FINAL_CLTV, &logger).unwrap(); send_along_route_with_secret(&nodes[0], route, &[&[&nodes[1], &nodes[2]]], 100000, payment_hash, Some(payment_secret.clone())); // Claiming with all the correct values but the wrong secret should result in nothing... assert_eq!(nodes[2].node.claim_funds(payment_preimage, &None, 100_000), false); @@ -7925,7 +8264,7 @@ fn test_simple_mpp() { let (payment_preimage, payment_hash) = get_payment_preimage_hash!(&nodes[0]); let payment_secret = PaymentSecret([0xdb; 32]); let net_graph_msg_handler = &nodes[0].net_graph_msg_handler; - let mut route = get_route(&nodes[0].node.get_our_node_id(), net_graph_msg_handler, &nodes[3].node.get_our_node_id(), None, &[], 100000, TEST_FINAL_CLTV, &logger).unwrap(); + let mut route = get_route(&nodes[0].node.get_our_node_id(), &net_graph_msg_handler.network_graph.read().unwrap(), &nodes[3].node.get_our_node_id(), None, &[], 100000, TEST_FINAL_CLTV, &logger).unwrap(); let path = route.paths[0].clone(); route.paths.push(path); route.paths[0][0].pubkey = nodes[1].node.get_our_node_id(); @@ -7967,23 +8306,24 @@ fn test_update_err_monitor_lockdown() { // Route a HTLC from node 0 to node 1 (but don't settle) let preimage = route_payment(&nodes[0], &vec!(&nodes[1])[..], 9_000_000).0; - // Copy SimpleManyChannelMonitor to simulate a watchtower and update block height of node 0 until its ChannelMonitor timeout HTLC onchain + // Copy ChainMonitor to simulate a watchtower and update block height of node 0 until its ChannelMonitor timeout HTLC onchain + let chain_source = test_utils::TestChainSource::new(Network::Testnet); let logger = test_utils::TestLogger::with_id(format!("node {}", 0)); - let chain_monitor = chaininterface::ChainWatchInterfaceUtil::new(Network::Testnet); + let persister = test_utils::TestPersister::new(); let watchtower = { - let monitors = nodes[0].chan_monitor.simple_monitor.monitors.lock().unwrap(); + let monitors = nodes[0].chain_monitor.chain_monitor.monitors.lock().unwrap(); let monitor = monitors.get(&outpoint).unwrap(); let mut w = test_utils::TestVecWriter(Vec::new()); - monitor.write_for_disk(&mut w).unwrap(); + monitor.serialize_for_disk(&mut w).unwrap(); let new_monitor = <(BlockHash, channelmonitor::ChannelMonitor)>::read( &mut ::std::io::Cursor::new(&w.0)).unwrap().1; assert!(new_monitor == *monitor); - let watchtower = test_utils::TestChannelMonitor::new(&chain_monitor, &chanmon_cfgs[0].tx_broadcaster, &logger, &chanmon_cfgs[0].fee_estimator); - assert!(watchtower.add_monitor(outpoint, new_monitor).is_ok()); + let watchtower = test_utils::TestChainMonitor::new(Some(&chain_source), &chanmon_cfgs[0].tx_broadcaster, &logger, &chanmon_cfgs[0].fee_estimator, &persister); + assert!(watchtower.watch_channel(outpoint, new_monitor).is_ok()); watchtower }; let header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; - watchtower.simple_monitor.block_connected(&header, 200, &vec![], &vec![]); + watchtower.chain_monitor.block_connected(&header, &[], 200); // Try to update ChannelMonitor assert!(nodes[1].node.claim_funds(preimage, &None, 9_000_000)); @@ -7993,8 +8333,8 @@ fn test_update_err_monitor_lockdown() { nodes[0].node.handle_update_fulfill_htlc(&nodes[1].node.get_our_node_id(), &updates.update_fulfill_htlcs[0]); if let Some(ref mut channel) = nodes[0].node.channel_state.lock().unwrap().by_id.get_mut(&chan_1.2) { if let Ok((_, _, _, update)) = channel.commitment_signed(&updates.commitment_signed, &node_cfgs[0].fee_estimator, &node_cfgs[0].logger) { - if let Err(_) = watchtower.simple_monitor.update_monitor(outpoint, update.clone()) {} else { assert!(false); } - if let Ok(_) = nodes[0].chan_monitor.update_monitor(outpoint, update) {} else { assert!(false); } + if let Err(_) = watchtower.chain_monitor.update_channel(outpoint, update.clone()) {} else { assert!(false); } + if let Ok(_) = nodes[0].chain_monitor.update_channel(outpoint, update) {} else { assert!(false); } } else { assert!(false); } } else { assert!(false); }; // Our local monitor is in-sync and hasn't processed yet timeout @@ -8002,3 +8342,164 @@ fn test_update_err_monitor_lockdown() { let events = nodes[0].node.get_and_clear_pending_events(); assert_eq!(events.len(), 1); } + +#[test] +fn test_concurrent_monitor_claim() { + // Watchtower A receives block, broadcasts state N, then channel receives new state N+1, + // sending it to both watchtowers, Bob accepts N+1, then receives block and broadcasts + // the latest state N+1, Alice rejects state N+1, but Bob has already broadcast it, + // state N+1 confirms. Alice claims output from state N+1. + + let chanmon_cfgs = create_chanmon_cfgs(2); + let node_cfgs = create_node_cfgs(2, &chanmon_cfgs); + let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]); + let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs); + + // Create some initial channel + let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known()); + let outpoint = OutPoint { txid: chan_1.3.txid(), index: 0 }; + + // Rebalance the network to generate htlc in the two directions + send_payment(&nodes[0], &vec!(&nodes[1])[..], 10_000_000, 10_000_000); + + // Route a HTLC from node 0 to node 1 (but don't settle) + route_payment(&nodes[0], &vec!(&nodes[1])[..], 9_000_000).0; + + // Copy ChainMonitor to simulate watchtower Alice and update block height her ChannelMonitor timeout HTLC onchain + let chain_source = test_utils::TestChainSource::new(Network::Testnet); + let logger = test_utils::TestLogger::with_id(format!("node {}", "Alice")); + let persister = test_utils::TestPersister::new(); + let watchtower_alice = { + let monitors = nodes[0].chain_monitor.chain_monitor.monitors.lock().unwrap(); + let monitor = monitors.get(&outpoint).unwrap(); + let mut w = test_utils::TestVecWriter(Vec::new()); + monitor.serialize_for_disk(&mut w).unwrap(); + let new_monitor = <(BlockHash, channelmonitor::ChannelMonitor)>::read( + &mut ::std::io::Cursor::new(&w.0)).unwrap().1; + assert!(new_monitor == *monitor); + let watchtower = test_utils::TestChainMonitor::new(Some(&chain_source), &chanmon_cfgs[0].tx_broadcaster, &logger, &chanmon_cfgs[0].fee_estimator, &persister); + assert!(watchtower.watch_channel(outpoint, new_monitor).is_ok()); + watchtower + }; + let header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; + watchtower_alice.chain_monitor.block_connected(&header, &vec![], 135); + + // Watchtower Alice should have broadcast a commitment/HTLC-timeout + { + let mut txn = chanmon_cfgs[0].tx_broadcaster.txn_broadcasted.lock().unwrap(); + assert_eq!(txn.len(), 2); + txn.clear(); + } + + // Copy ChainMonitor to simulate watchtower Bob and make it receive a commitment update first. + let chain_source = test_utils::TestChainSource::new(Network::Testnet); + let logger = test_utils::TestLogger::with_id(format!("node {}", "Bob")); + let persister = test_utils::TestPersister::new(); + let watchtower_bob = { + let monitors = nodes[0].chain_monitor.chain_monitor.monitors.lock().unwrap(); + let monitor = monitors.get(&outpoint).unwrap(); + let mut w = test_utils::TestVecWriter(Vec::new()); + monitor.serialize_for_disk(&mut w).unwrap(); + let new_monitor = <(BlockHash, channelmonitor::ChannelMonitor)>::read( + &mut ::std::io::Cursor::new(&w.0)).unwrap().1; + assert!(new_monitor == *monitor); + let watchtower = test_utils::TestChainMonitor::new(Some(&chain_source), &chanmon_cfgs[0].tx_broadcaster, &logger, &chanmon_cfgs[0].fee_estimator, &persister); + assert!(watchtower.watch_channel(outpoint, new_monitor).is_ok()); + watchtower + }; + let header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; + watchtower_bob.chain_monitor.block_connected(&header, &vec![], 134); + + // Route another payment to generate another update with still previous HTLC pending + let (_, payment_hash) = get_payment_preimage_hash!(nodes[0]); + { + let net_graph_msg_handler = &nodes[1].net_graph_msg_handler; + let route = get_route(&nodes[1].node.get_our_node_id(), &net_graph_msg_handler.network_graph.read().unwrap(), &nodes[0].node.get_our_node_id(), None, &Vec::new(), 3000000 , TEST_FINAL_CLTV, &logger).unwrap(); + nodes[1].node.send_payment(&route, payment_hash, &None).unwrap(); + } + check_added_monitors!(nodes[1], 1); + + let updates = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id()); + assert_eq!(updates.update_add_htlcs.len(), 1); + nodes[0].node.handle_update_add_htlc(&nodes[1].node.get_our_node_id(), &updates.update_add_htlcs[0]); + if let Some(ref mut channel) = nodes[0].node.channel_state.lock().unwrap().by_id.get_mut(&chan_1.2) { + if let Ok((_, _, _, update)) = channel.commitment_signed(&updates.commitment_signed, &node_cfgs[0].fee_estimator, &node_cfgs[0].logger) { + // Watchtower Alice should already have seen the block and reject the update + if let Err(_) = watchtower_alice.chain_monitor.update_channel(outpoint, update.clone()) {} else { assert!(false); } + if let Ok(_) = watchtower_bob.chain_monitor.update_channel(outpoint, update.clone()) {} else { assert!(false); } + if let Ok(_) = nodes[0].chain_monitor.update_channel(outpoint, update) {} else { assert!(false); } + } else { assert!(false); } + } else { assert!(false); }; + // Our local monitor is in-sync and hasn't processed yet timeout + check_added_monitors!(nodes[0], 1); + + //// Provide one more block to watchtower Bob, expect broadcast of commitment and HTLC-Timeout + watchtower_bob.chain_monitor.block_connected(&header, &vec![], 135); + + // Watchtower Bob should have broadcast a commitment/HTLC-timeout + let bob_state_y; + { + let mut txn = chanmon_cfgs[0].tx_broadcaster.txn_broadcasted.lock().unwrap(); + assert_eq!(txn.len(), 2); + bob_state_y = txn[0].clone(); + txn.clear(); + }; + + // We confirm Bob's state Y on Alice, she should broadcast a HTLC-timeout + watchtower_alice.chain_monitor.block_connected(&header, &vec![(0, &bob_state_y)], 136); + { + 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); + check_spends!(htlc_txn[0], bob_state_y); + check_spends!(htlc_txn[1], bob_state_y); + } +} + +#[test] +fn test_htlc_no_detection() { + // This test is a mutation to underscore the detection logic bug we had + // before #653. HTLC value routed is above the remaining balance, thus + // inverting HTLC and `to_remote` output. HTLC will come second and + // it wouldn't be seen by pre-#653 detection as we were enumerate()'ing + // on a watched outputs vector (Vec) thus implicitly relying on + // outputs order detection for correct spending children filtring. + + 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 some initial channels + let chan_1 = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 100000, 10001, InitFeatures::known(), InitFeatures::known()); + + send_payment(&nodes[0], &vec!(&nodes[1])[..], 1_000_000, 1_000_000); + let (_, our_payment_hash) = route_payment(&nodes[0], &vec!(&nodes[1])[..], 2_000_000); + let local_txn = get_local_commitment_txn!(nodes[0], chan_1.2); + assert_eq!(local_txn[0].input.len(), 1); + assert_eq!(local_txn[0].output.len(), 3); + check_spends!(local_txn[0], chan_1.3); + + // Timeout HTLC on A's chain and so it can generate a HTLC-Timeout tx + let header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; + connect_block(&nodes[0], &Block { header, txdata: vec![local_txn[0].clone()] }, 200); + // We deliberately connect the local tx twice as this should provoke a failure calling + // this test before #653 fix. + connect_block(&nodes[0], &Block { header, txdata: vec![local_txn[0].clone()] }, 200); + check_closed_broadcast!(nodes[0], false); + 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[0]); + node_txn[0].clone() + }; + + let header_201 = BlockHeader { version: 0x20000000, prev_blockhash: header.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()] }, 201); + connect_blocks(&nodes[0], ANTI_REORG_DELAY - 1, 201, true, header_201.block_hash()); + expect_payment_failed!(nodes[0], our_payment_hash, true); +}