From: Matt Corallo Date: Wed, 19 May 2021 21:47:42 +0000 (+0000) Subject: Delay broadcast of PackageTemplate packages until their locktime X-Git-Tag: v0.0.98~13^2~4 X-Git-Url: http://git.bitcoin.ninja/?a=commitdiff_plain;h=29a780e9e07962b8687d0b1944f4c86411030d3b;p=rust-lightning Delay broadcast of PackageTemplate packages until their locktime This stores transaction templates temporarily until their locktime is reached, avoiding broadcasting (or RBF bumping) transactions prior to their locktime. For those broadcasting transactions (potentially indirectly) via Bitcoin Core RPC, this ensures no automated rebroadcast of transactions on the client side is required to get transactions confirmed. --- diff --git a/fuzz/src/full_stack.rs b/fuzz/src/full_stack.rs index 52b37a10f..adfd2a830 100644 --- a/fuzz/src/full_stack.rs +++ b/fuzz/src/full_stack.rs @@ -905,7 +905,6 @@ mod tests { // 0c007d - connect a block with one transaction of len 125 // 02000000013a000000000000000000000000000000000000000000000000000000000000000000000000000000800258020000000000002200204b0000000000000000000000000000000000000000000000000000000000000014c0000000000000160014280000000000000000000000000000000000000005000020 - the commitment transaction for channel 3f00000000000000000000000000000000000000000000000000000000000000 // 00fd - A feerate request (returning min feerate, which our open_channel also uses) (gonna be ingested by FuzzEstimator) - // 00fd - A feerate request (returning min feerate, which our open_channel also uses) (gonna be ingested by FuzzEstimator) // 0c005e - connect a block with one transaction of len 94 // 0200000001730000000000000000000000000000000000000000000000000000000000000000000000000000000001a701000000000000220020b20000000000000000000000000000000000000000000000000000000000000000000000 - the HTLC timeout transaction // 0c0000 - connect a block with no transactions @@ -918,7 +917,7 @@ mod tests { // - client now fails the HTLC backwards as it was unable to extract the payment preimage (CHECK 9 duplicate and CHECK 10) let logger = Arc::new(TrackingLogger { lines: Mutex::new(HashMap::new()) }); - 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&(Arc::clone(&logger) as Arc)); + 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&(Arc::clone(&logger) as Arc)); let log_entries = logger.lines.lock().unwrap(); assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Handling SendAcceptChannel event in peer_handler for node 030000000000000000000000000000000000000000000000000000000000000002 for channel ff4f00f805273c1b203bb5ebf8436bfde57b3be8c2f5e95d9491dbb181909679".to_string())), Some(&1)); // 1 diff --git a/lightning/src/chain/onchaintx.rs b/lightning/src/chain/onchaintx.rs index fc4805b33..1f604422f 100644 --- a/lightning/src/chain/onchaintx.rs +++ b/lightning/src/chain/onchaintx.rs @@ -33,6 +33,7 @@ use util::ser::{Readable, ReadableArgs, Writer, Writeable, VecWriter}; use util::byte_utils; use prelude::*; +use alloc::collections::BTreeMap; use std::collections::HashMap; use core::cmp; use core::ops::Deref; @@ -165,8 +166,9 @@ pub struct OnchainTxHandler { #[cfg(not(test))] claimable_outpoints: HashMap, - onchain_events_awaiting_threshold_conf: Vec, + locktimed_packages: BTreeMap>, + onchain_events_awaiting_threshold_conf: Vec, pub(super) secp_ctx: Secp256k1, } @@ -206,6 +208,15 @@ impl OnchainTxHandler { claim_and_height.1.write(writer)?; } + writer.write_all(&byte_utils::be64_to_array(self.locktimed_packages.len() as u64))?; + for (ref locktime, ref packages) in self.locktimed_packages.iter() { + locktime.write(writer)?; + writer.write_all(&byte_utils::be64_to_array(packages.len() as u64))?; + for ref package in packages.iter() { + package.write(writer)?; + } + } + writer.write_all(&byte_utils::be64_to_array(self.onchain_events_awaiting_threshold_conf.len() as u64))?; for ref entry in self.onchain_events_awaiting_threshold_conf.iter() { entry.txid.write(writer)?; @@ -265,6 +276,19 @@ impl<'a, K: KeysInterface> ReadableArgs<&'a K> for OnchainTxHandler { let height = Readable::read(reader)?; claimable_outpoints.insert(outpoint, (ancestor_claim_txid, height)); } + + let locktimed_packages_len: u64 = Readable::read(reader)?; + let mut locktimed_packages = BTreeMap::new(); + for _ in 0..locktimed_packages_len { + let locktime = Readable::read(reader)?; + let packages_len: u64 = Readable::read(reader)?; + let mut packages = Vec::with_capacity(cmp::min(packages_len as usize, MAX_ALLOC_SIZE / std::mem::size_of::())); + for _ in 0..packages_len { + packages.push(Readable::read(reader)?); + } + locktimed_packages.insert(locktime, packages); + } + let waiting_threshold_conf_len: u64 = Readable::read(reader)?; let mut onchain_events_awaiting_threshold_conf = Vec::with_capacity(cmp::min(waiting_threshold_conf_len as usize, MAX_ALLOC_SIZE / 128)); for _ in 0..waiting_threshold_conf_len { @@ -302,6 +326,7 @@ impl<'a, K: KeysInterface> ReadableArgs<&'a K> for OnchainTxHandler { signer, channel_transaction_parameters: channel_parameters, claimable_outpoints, + locktimed_packages, pending_claim_requests, onchain_events_awaiting_threshold_conf, secp_ctx, @@ -321,6 +346,7 @@ impl OnchainTxHandler { channel_transaction_parameters: channel_parameters, pending_claim_requests: HashMap::new(), claimable_outpoints: HashMap::new(), + locktimed_packages: BTreeMap::new(), onchain_events_awaiting_threshold_conf: Vec::new(), secp_ctx, @@ -378,7 +404,26 @@ impl OnchainTxHandler { // <= CLTV_SHARED_CLAIM_BUFFER) and they don't require an immediate nLockTime (aggregable). for req in requests { // Don't claim a outpoint twice that would be bad for privacy and may uselessly lock a CPFP input for a while - if let Some(_) = self.claimable_outpoints.get(req.outpoints()[0]) { log_trace!(logger, "Bouncing off outpoint {}:{}, already registered its claiming request", req.outpoints()[0].txid, req.outpoints()[0].vout); } else { + if let Some(_) = self.claimable_outpoints.get(req.outpoints()[0]) { + log_trace!(logger, "Ignoring second claim for outpoint {}:{}, already registered its claiming request", req.outpoints()[0].txid, req.outpoints()[0].vout); + } else { + let timelocked_equivalent_package = self.locktimed_packages.iter().map(|v| v.1.iter()).flatten() + .find(|locked_package| locked_package.outpoints() == req.outpoints()); + if let Some(package) = timelocked_equivalent_package { + log_trace!(logger, "Ignoring second claim for outpoint {}:{}, we already have one which we're waiting on a timelock at {} for.", + req.outpoints()[0].txid, req.outpoints()[0].vout, package.package_timelock()); + continue; + } + + if req.package_timelock() > height + 1 { + log_debug!(logger, "Delaying claim of package until its timelock at {} (current height {}), the following outpoints are spent:", req.package_timelock(), height); + for outpoint in req.outpoints() { + log_debug!(logger, " Outpoint {}", outpoint); + } + self.locktimed_packages.entry(req.package_timelock()).or_insert(Vec::new()).push(req); + continue; + } + log_trace!(logger, "Test if outpoint can be aggregated with expiration {} against {}", req.timelock(), height + CLTV_SHARED_CLAIM_BUFFER); if req.timelock() <= height + CLTV_SHARED_CLAIM_BUFFER || !req.aggregable() { // Don't aggregate if outpoint package timelock is soon or marked as non-aggregable @@ -394,6 +439,14 @@ impl OnchainTxHandler { preprocessed_requests.push(req); } + // Claim everything up to and including height + 1 + let remaining_locked_packages = self.locktimed_packages.split_off(&(height + 2)); + for (pop_height, mut entry) in self.locktimed_packages.iter_mut() { + log_trace!(logger, "Restoring delayed claim of package(s) at their timelock at {}.", pop_height); + preprocessed_requests.append(&mut entry); + } + self.locktimed_packages = remaining_locked_packages; + // Generate claim transactions and track them to bump if necessary at // height timer expiration (i.e in how many blocks we're going to take action). for mut req in preprocessed_requests { diff --git a/lightning/src/ln/functional_tests.rs b/lightning/src/ln/functional_tests.rs index f6150a536..962e69d27 100644 --- a/lightning/src/ln/functional_tests.rs +++ b/lightning/src/ln/functional_tests.rs @@ -20,7 +20,7 @@ use chain::transaction::OutPoint; use chain::keysinterface::{KeysInterface, BaseSign}; use ln::{PaymentPreimage, PaymentSecret, PaymentHash}; use ln::channel::{COMMITMENT_TX_BASE_WEIGHT, COMMITMENT_TX_WEIGHT_PER_HTLC}; -use ln::channelmanager::{ChannelManager, ChannelManagerReadArgs, RAACommitmentOrder, PaymentSendFailure, BREAKDOWN_TIMEOUT}; +use ln::channelmanager::{ChannelManager, ChannelManagerReadArgs, RAACommitmentOrder, PaymentSendFailure, BREAKDOWN_TIMEOUT, MIN_CLTV_EXPIRY_DELTA}; use ln::channel::{Channel, ChannelError}; use ln::{chan_utils, onion_utils}; use routing::router::{Route, RouteHop, get_route}; @@ -1496,20 +1496,30 @@ fn test_duplicate_htlc_different_direction_onchain() { mine_transaction(&nodes[0], &remote_txn[0]); check_added_monitors!(nodes[0], 1); + connect_blocks(&nodes[0], TEST_FINAL_CLTV - 1); // Confirm blocks until the HTLC expires // Check we only broadcast 1 timeout tx let claim_txn = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap().clone(); - assert_eq!(claim_txn.len(), 5); - check_spends!(claim_txn[2], chan_1.3); - check_spends!(claim_txn[3], claim_txn[2]); - assert_eq!(claim_txn[1].input.len(), 1); - assert_eq!(claim_txn[1].input[0].witness.last().unwrap().len(), OFFERED_HTLC_SCRIPT_WEIGHT); // HTLC 1 <--> 0, preimage tx - check_spends!(claim_txn[1], remote_txn[0]); - assert_eq!(remote_txn[0].output[claim_txn[1].input[0].previous_output.vout as usize].value, 800); + assert_eq!(claim_txn.len(), 9); + assert_eq!(claim_txn[1], claim_txn[5]); + assert_eq!(claim_txn[2], claim_txn[6]); + assert_eq!(claim_txn[3], claim_txn[8]); + check_spends!(claim_txn[1], chan_1.3); + check_spends!(claim_txn[2], claim_txn[1]); + check_spends!(claim_txn[3], claim_txn[1]); + + assert_eq!(claim_txn[0].input.len(), 1); + assert_eq!(claim_txn[4].input.len(), 1); + assert_eq!(claim_txn[0].input[0].previous_output, claim_txn[4].input[0].previous_output); + assert_eq!(claim_txn[0].input.len(), 1); - assert_eq!(claim_txn[0].input[0].witness.last().unwrap().len(), ACCEPTED_HTLC_SCRIPT_WEIGHT); // HTLC 0 <--> 1, timeout tx + assert_eq!(claim_txn[0].input[0].witness.last().unwrap().len(), OFFERED_HTLC_SCRIPT_WEIGHT); // HTLC 1 <--> 0, preimage tx check_spends!(claim_txn[0], remote_txn[0]); - assert_eq!(remote_txn[0].output[claim_txn[0].input[0].previous_output.vout as usize].value, 900); + assert_eq!(remote_txn[0].output[claim_txn[0].input[0].previous_output.vout as usize].value, 800); + assert_eq!(claim_txn[7].input.len(), 1); + assert_eq!(claim_txn[7].input[0].witness.last().unwrap().len(), ACCEPTED_HTLC_SCRIPT_WEIGHT); // HTLC 0 <--> 1, timeout tx + check_spends!(claim_txn[7], remote_txn[0]); + assert_eq!(remote_txn[0].output[claim_txn[7].input[0].previous_output.vout as usize].value, 900); let events = nodes[0].node.get_and_clear_pending_msg_events(); assert_eq!(events.len(), 3); @@ -2485,6 +2495,7 @@ fn test_justice_tx() { test_txn_broadcast(&nodes[1], &chan_5, None, HTLCType::NONE); mine_transaction(&nodes[0], &revoked_local_txn[0]); + connect_blocks(&nodes[0], TEST_FINAL_CLTV - 1); // Confirm blocks until the HTLC expires // Verify broadcast of revoked HTLC-timeout let node_txn = test_txn_broadcast(&nodes[0], &chan_5, Some(revoked_local_txn[0].clone()), HTLCType::TIMEOUT); check_added_monitors!(nodes[0], 1); @@ -2738,6 +2749,12 @@ fn test_htlc_on_chain_success() { let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known()); let chan_2 = create_announced_chan_between_nodes(&nodes, 1, 2, InitFeatures::known(), InitFeatures::known()); + // Ensure all nodes are at the same height + let node_max_height = nodes.iter().map(|node| node.blocks.borrow().len()).max().unwrap() as u32; + connect_blocks(&nodes[0], node_max_height - nodes[0].best_block_info().1); + connect_blocks(&nodes[1], node_max_height - nodes[1].best_block_info().1); + connect_blocks(&nodes[2], node_max_height - nodes[2].best_block_info().1); + // Rebalance the network a bit by relaying one payment through all the channels... send_payment(&nodes[0], &vec!(&nodes[1], &nodes[2])[..], 8000000); send_payment(&nodes[0], &vec!(&nodes[1], &nodes[2])[..], 8000000); @@ -2779,6 +2796,7 @@ fn test_htlc_on_chain_success() { // Verify that B's ChannelManager is able to extract preimage from HTLC Success tx and pass it backward let header = BlockHeader { version: 0x20000000, prev_blockhash: nodes[1].best_block_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42}; connect_block(&nodes[1], &Block { header, txdata: node_txn}); + connect_blocks(&nodes[1], TEST_FINAL_CLTV - 1); // Confirm blocks until the HTLC expires { let mut added_monitors = nodes[1].chain_monitor.added_monitors.lock().unwrap(); assert_eq!(added_monitors.len(), 1); @@ -2819,31 +2837,31 @@ fn test_htlc_on_chain_success() { assert_eq!(node_txn.len(), 5); // Node[1]: ChannelManager: 3 (commitment tx, 2*HTLC-Timeout tx), ChannelMonitor: 2 (timeout tx) // Node[0]: ChannelManager: 3 (commtiemtn tx, 2*HTLC-Timeout tx), ChannelMonitor: 2 HTLC-timeout - check_spends!(node_txn[0], $commitment_tx); - check_spends!(node_txn[1], $commitment_tx); - assert_ne!(node_txn[0].lock_time, 0); - assert_ne!(node_txn[1].lock_time, 0); + check_spends!(node_txn[3], $commitment_tx); + check_spends!(node_txn[4], $commitment_tx); + assert_ne!(node_txn[3].lock_time, 0); + assert_ne!(node_txn[4].lock_time, 0); if $htlc_offered { - assert_eq!(node_txn[0].input[0].witness.last().unwrap().len(), OFFERED_HTLC_SCRIPT_WEIGHT); - assert_eq!(node_txn[1].input[0].witness.last().unwrap().len(), OFFERED_HTLC_SCRIPT_WEIGHT); - assert!(node_txn[0].output[0].script_pubkey.is_v0_p2wsh()); // revokeable output - assert!(node_txn[1].output[0].script_pubkey.is_v0_p2wsh()); // revokeable output + assert_eq!(node_txn[3].input[0].witness.last().unwrap().len(), OFFERED_HTLC_SCRIPT_WEIGHT); + assert_eq!(node_txn[4].input[0].witness.last().unwrap().len(), OFFERED_HTLC_SCRIPT_WEIGHT); + assert!(node_txn[3].output[0].script_pubkey.is_v0_p2wsh()); // revokeable output + assert!(node_txn[4].output[0].script_pubkey.is_v0_p2wsh()); // revokeable output } else { - assert_eq!(node_txn[0].input[0].witness.last().unwrap().len(), ACCEPTED_HTLC_SCRIPT_WEIGHT); - assert_eq!(node_txn[1].input[0].witness.last().unwrap().len(), ACCEPTED_HTLC_SCRIPT_WEIGHT); - assert!(node_txn[0].output[0].script_pubkey.is_v0_p2wpkh()); // direct payment - assert!(node_txn[1].output[0].script_pubkey.is_v0_p2wpkh()); // direct payment + assert_eq!(node_txn[3].input[0].witness.last().unwrap().len(), ACCEPTED_HTLC_SCRIPT_WEIGHT); + assert_eq!(node_txn[4].input[0].witness.last().unwrap().len(), ACCEPTED_HTLC_SCRIPT_WEIGHT); + assert!(node_txn[3].output[0].script_pubkey.is_v0_p2wpkh()); // direct payment + assert!(node_txn[4].output[0].script_pubkey.is_v0_p2wpkh()); // direct payment } - check_spends!(node_txn[2], $chan_tx); - check_spends!(node_txn[3], node_txn[2]); - check_spends!(node_txn[4], node_txn[2]); - assert_eq!(node_txn[2].input[0].witness.last().unwrap().len(), 71); - assert_eq!(node_txn[3].input[0].witness.last().unwrap().len(), OFFERED_HTLC_SCRIPT_WEIGHT); - assert_eq!(node_txn[4].input[0].witness.last().unwrap().len(), OFFERED_HTLC_SCRIPT_WEIGHT); - assert!(node_txn[3].output[0].script_pubkey.is_v0_p2wsh()); // revokeable output - assert!(node_txn[4].output[0].script_pubkey.is_v0_p2wsh()); // revokeable output - assert_ne!(node_txn[3].lock_time, 0); - assert_ne!(node_txn[4].lock_time, 0); + check_spends!(node_txn[0], $chan_tx); + check_spends!(node_txn[1], node_txn[0]); + check_spends!(node_txn[2], node_txn[0]); + assert_eq!(node_txn[0].input[0].witness.last().unwrap().len(), 71); + assert_eq!(node_txn[1].input[0].witness.last().unwrap().len(), OFFERED_HTLC_SCRIPT_WEIGHT); + assert_eq!(node_txn[2].input[0].witness.last().unwrap().len(), OFFERED_HTLC_SCRIPT_WEIGHT); + assert!(node_txn[1].output[0].script_pubkey.is_v0_p2wsh()); // revokeable output + assert!(node_txn[2].output[0].script_pubkey.is_v0_p2wsh()); // revokeable output + assert_ne!(node_txn[1].lock_time, 0); + assert_ne!(node_txn[2].lock_time, 0); node_txn.clear(); } } } @@ -2854,29 +2872,43 @@ fn test_htlc_on_chain_success() { // Broadcast legit commitment tx from A on B's chain // Broadcast preimage tx by B on offered output from A commitment tx on A's chain - let commitment_tx = get_local_commitment_txn!(nodes[0], chan_1.2); - check_spends!(commitment_tx[0], chan_1.3); - mine_transaction(&nodes[1], &commitment_tx[0]); + let node_a_commitment_tx = get_local_commitment_txn!(nodes[0], chan_1.2); + check_spends!(node_a_commitment_tx[0], chan_1.3); + mine_transaction(&nodes[1], &node_a_commitment_tx[0]); check_closed_broadcast!(nodes[1], true); check_added_monitors!(nodes[1], 1); - let node_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap().clone(); // ChannelManager : 3 (commitment tx + HTLC-Sucess * 2), ChannelMonitor : 1 (HTLC-Success) - assert_eq!(node_txn.len(), 4); - check_spends!(node_txn[0], commitment_tx[0]); - assert_eq!(node_txn[0].input.len(), 2); - assert_eq!(node_txn[0].input[0].witness.last().unwrap().len(), OFFERED_HTLC_SCRIPT_WEIGHT); - assert_eq!(node_txn[0].input[1].witness.last().unwrap().len(), OFFERED_HTLC_SCRIPT_WEIGHT); - assert_eq!(node_txn[0].lock_time, 0); - assert!(node_txn[0].output[0].script_pubkey.is_v0_p2wpkh()); // direct payment - check_spends!(node_txn[1], chan_1.3); - assert_eq!(node_txn[1].input[0].witness.clone().last().unwrap().len(), 71); - check_spends!(node_txn[2], node_txn[1]); - check_spends!(node_txn[3], node_txn[1]); + let node_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap().clone(); + assert_eq!(node_txn.len(), 6); // ChannelManager : 3 (commitment tx + HTLC-Sucess * 2), ChannelMonitor : 3 (HTLC-Success, 2* RBF bumps of above HTLC txn) + let commitment_spend = + if node_txn[0].input[0].previous_output.txid == node_a_commitment_tx[0].txid() { + check_spends!(node_txn[1], commitment_tx[0]); + check_spends!(node_txn[2], commitment_tx[0]); + assert_ne!(node_txn[1].input[0].previous_output.vout, node_txn[2].input[0].previous_output.vout); + &node_txn[0] + } else { + check_spends!(node_txn[0], commitment_tx[0]); + check_spends!(node_txn[1], commitment_tx[0]); + assert_ne!(node_txn[0].input[0].previous_output.vout, node_txn[1].input[0].previous_output.vout); + &node_txn[2] + }; + + check_spends!(commitment_spend, node_a_commitment_tx[0]); + assert_eq!(commitment_spend.input.len(), 2); + assert_eq!(commitment_spend.input[0].witness.last().unwrap().len(), OFFERED_HTLC_SCRIPT_WEIGHT); + assert_eq!(commitment_spend.input[1].witness.last().unwrap().len(), OFFERED_HTLC_SCRIPT_WEIGHT); + assert_eq!(commitment_spend.lock_time, 0); + assert!(commitment_spend.output[0].script_pubkey.is_v0_p2wpkh()); // direct payment + check_spends!(node_txn[3], chan_1.3); + assert_eq!(node_txn[3].input[0].witness.clone().last().unwrap().len(), 71); + check_spends!(node_txn[4], node_txn[3]); + check_spends!(node_txn[5], node_txn[3]); // We don't bother to check that B can claim the HTLC output on its commitment tx here as // we already checked the same situation with A. // Verify that A's ChannelManager is able to extract preimage from preimage tx and generate PaymentSent let mut header = BlockHeader { version: 0x20000000, prev_blockhash: nodes[0].best_block_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42}; - connect_block(&nodes[0], &Block { header, txdata: vec![commitment_tx[0].clone(), node_txn[0].clone()] }); + connect_block(&nodes[0], &Block { header, txdata: vec![node_a_commitment_tx[0].clone(), commitment_spend.clone()] }); + connect_blocks(&nodes[0], TEST_FINAL_CLTV + MIN_CLTV_EXPIRY_DELTA as u32 - 1); // Confirm blocks until the HTLC expires check_closed_broadcast!(nodes[0], true); check_added_monitors!(nodes[0], 1); let events = nodes[0].node.get_and_clear_pending_events(); @@ -2895,7 +2927,7 @@ fn test_htlc_on_chain_success() { _ => panic!("Unexpected event"), } } - check_tx_local_broadcast!(nodes[0], true, commitment_tx[0], chan_1.3); + check_tx_local_broadcast!(nodes[0], true, node_a_commitment_tx[0], chan_1.3); } fn do_test_htlc_on_chain_timeout(connect_style: ConnectStyle) { @@ -3014,17 +3046,18 @@ fn do_test_htlc_on_chain_timeout(connect_style: ConnectStyle) { check_spends!(commitment_tx[0], chan_1.3); mine_transaction(&nodes[0], &commitment_tx[0]); + connect_blocks(&nodes[0], TEST_FINAL_CLTV + MIN_CLTV_EXPIRY_DELTA as u32 - 1); // Confirm blocks until the HTLC expires check_closed_broadcast!(nodes[0], true); check_added_monitors!(nodes[0], 1); let node_txn = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap().clone(); // ChannelManager : 2 (commitment tx, HTLC-Timeout tx), ChannelMonitor : 1 timeout tx assert_eq!(node_txn.len(), 3); - check_spends!(node_txn[0], commitment_tx[0]); - assert_eq!(node_txn[0].clone().input[0].witness.last().unwrap().len(), ACCEPTED_HTLC_SCRIPT_WEIGHT); - check_spends!(node_txn[1], chan_1.3); - check_spends!(node_txn[2], node_txn[1]); - assert_eq!(node_txn[1].clone().input[0].witness.last().unwrap().len(), 71); - assert_eq!(node_txn[2].clone().input[0].witness.last().unwrap().len(), OFFERED_HTLC_SCRIPT_WEIGHT); + check_spends!(node_txn[0], chan_1.3); + check_spends!(node_txn[1], node_txn[0]); + assert_eq!(node_txn[0].clone().input[0].witness.last().unwrap().len(), 71); + assert_eq!(node_txn[1].clone().input[0].witness.last().unwrap().len(), OFFERED_HTLC_SCRIPT_WEIGHT); + check_spends!(node_txn[2], commitment_tx[0]); + assert_eq!(node_txn[2].clone().input[0].witness.last().unwrap().len(), ACCEPTED_HTLC_SCRIPT_WEIGHT); } #[test] @@ -4990,24 +5023,25 @@ fn test_static_spendable_outputs_timeout_tx() { MessageSendEvent::BroadcastChannelUpdate { .. } => {}, _ => panic!("Unexpected event"), } + connect_blocks(&nodes[1], TEST_FINAL_CLTV - 1); // Confirm blocks until the HTLC expires // Check B's monitor was able to send back output descriptor event for timeout tx on A's commitment tx - let node_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap(); + let node_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap().split_off(0); assert_eq!(node_txn.len(), 3); // ChannelManager : 2 (local commitent tx + HTLC-timeout), ChannelMonitor: timeout tx - check_spends!(node_txn[0], commitment_tx[0].clone()); - assert_eq!(node_txn[0].input[0].witness.last().unwrap().len(), ACCEPTED_HTLC_SCRIPT_WEIGHT); - check_spends!(node_txn[1], chan_1.3.clone()); - check_spends!(node_txn[2], node_txn[1]); + check_spends!(node_txn[0], chan_1.3.clone()); + check_spends!(node_txn[1], node_txn[0]); + check_spends!(node_txn[2], commitment_tx[0].clone()); + assert_eq!(node_txn[2].input[0].witness.last().unwrap().len(), ACCEPTED_HTLC_SCRIPT_WEIGHT); - mine_transaction(&nodes[1], &node_txn[0]); + mine_transaction(&nodes[1], &node_txn[2]); connect_blocks(&nodes[1], ANTI_REORG_DELAY - 1); expect_payment_failed!(nodes[1], our_payment_hash, true); let spend_txn = check_spendable_outputs!(nodes[1], 1, node_cfgs[1].keys_manager, 100000); assert_eq!(spend_txn.len(), 3); // SpendableOutput: remote_commitment_tx.to_remote, timeout_tx.output check_spends!(spend_txn[0], commitment_tx[0]); - check_spends!(spend_txn[1], node_txn[0]); - check_spends!(spend_txn[2], node_txn[0], commitment_tx[0]); // All outputs + check_spends!(spend_txn[1], node_txn[2]); + check_spends!(spend_txn[2], node_txn[2], commitment_tx[0]); // All outputs } #[test] @@ -5066,35 +5100,37 @@ fn test_static_spendable_outputs_justice_tx_revoked_htlc_timeout_tx() { mine_transaction(&nodes[0], &revoked_local_txn[0]); check_closed_broadcast!(nodes[0], true); check_added_monitors!(nodes[0], 1); + connect_blocks(&nodes[0], TEST_FINAL_CLTV - 1); // Confirm blocks until the HTLC expires let revoked_htlc_txn = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap(); assert_eq!(revoked_htlc_txn.len(), 2); - assert_eq!(revoked_htlc_txn[0].input.len(), 1); - assert_eq!(revoked_htlc_txn[0].input[0].witness.last().unwrap().len(), OFFERED_HTLC_SCRIPT_WEIGHT); - check_spends!(revoked_htlc_txn[0], revoked_local_txn[0]); - check_spends!(revoked_htlc_txn[1], chan_1.3); + check_spends!(revoked_htlc_txn[0], chan_1.3); + assert_eq!(revoked_htlc_txn[1].input.len(), 1); + assert_eq!(revoked_htlc_txn[1].input[0].witness.last().unwrap().len(), OFFERED_HTLC_SCRIPT_WEIGHT); + check_spends!(revoked_htlc_txn[1], revoked_local_txn[0]); + assert_ne!(revoked_htlc_txn[1].lock_time, 0); // HTLC-Timeout // B will generate justice tx from A's revoked commitment/HTLC tx let header = BlockHeader { version: 0x20000000, prev_blockhash: nodes[1].best_block_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; - connect_block(&nodes[1], &Block { header, txdata: vec![revoked_local_txn[0].clone(), revoked_htlc_txn[0].clone()] }); + connect_block(&nodes[1], &Block { header, txdata: vec![revoked_local_txn[0].clone(), revoked_htlc_txn[1].clone()] }); check_closed_broadcast!(nodes[1], true); check_added_monitors!(nodes[1], 1); let node_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap(); assert_eq!(node_txn.len(), 3); // ChannelMonitor: bogus justice tx, justice tx on revoked outputs, ChannelManager: local commitment tx // The first transaction generated is bogus - it spends both outputs of revoked_local_txn[0] - // including the one already spent by revoked_htlc_txn[0]. That's OK, we'll spend with valid + // including the one already spent by revoked_htlc_txn[1]. That's OK, we'll spend with valid // transactions next... assert_eq!(node_txn[0].input.len(), 3); - check_spends!(node_txn[0], revoked_local_txn[0], revoked_htlc_txn[0]); + check_spends!(node_txn[0], revoked_local_txn[0], revoked_htlc_txn[1]); assert_eq!(node_txn[1].input.len(), 2); - check_spends!(node_txn[1], revoked_local_txn[0], revoked_htlc_txn[0]); - if node_txn[1].input[1].previous_output.txid == revoked_htlc_txn[0].txid() { - assert_ne!(node_txn[1].input[0].previous_output, revoked_htlc_txn[0].input[0].previous_output); + check_spends!(node_txn[1], revoked_local_txn[0], revoked_htlc_txn[1]); + if node_txn[1].input[1].previous_output.txid == revoked_htlc_txn[1].txid() { + assert_ne!(node_txn[1].input[0].previous_output, revoked_htlc_txn[1].input[0].previous_output); } else { - assert_eq!(node_txn[1].input[0].previous_output.txid, revoked_htlc_txn[0].txid()); - assert_ne!(node_txn[1].input[1].previous_output, revoked_htlc_txn[0].input[0].previous_output); + assert_eq!(node_txn[1].input[0].previous_output.txid, revoked_htlc_txn[1].txid()); + assert_ne!(node_txn[1].input[1].previous_output, revoked_htlc_txn[1].input[0].previous_output); } assert_eq!(node_txn[2].input.len(), 1); @@ -5207,6 +5243,12 @@ fn test_onchain_to_onchain_claim() { let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known()); let chan_2 = create_announced_chan_between_nodes(&nodes, 1, 2, InitFeatures::known(), InitFeatures::known()); + // Ensure all nodes are at the same height + let node_max_height = nodes.iter().map(|node| node.blocks.borrow().len()).max().unwrap() as u32; + connect_blocks(&nodes[0], node_max_height - nodes[0].best_block_info().1); + connect_blocks(&nodes[1], node_max_height - nodes[1].best_block_info().1); + connect_blocks(&nodes[2], node_max_height - nodes[2].best_block_info().1); + // Rebalance the network a bit by relaying one payment through all the channels ... send_payment(&nodes[0], &vec!(&nodes[1], &nodes[2])[..], 8000000); send_payment(&nodes[0], &vec!(&nodes[1], &nodes[2])[..], 8000000); @@ -5240,18 +5282,19 @@ fn test_onchain_to_onchain_claim() { // So we broadcast C's commitment tx and HTLC-Success on B's chain, we should successfully be able to extract preimage and update downstream monitor let header = BlockHeader { version: 0x20000000, prev_blockhash: nodes[1].best_block_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42}; connect_block(&nodes[1], &Block { header, txdata: vec![c_txn[1].clone(), c_txn[2].clone()]}); + connect_blocks(&nodes[1], TEST_FINAL_CLTV - 1); // Confirm blocks until the HTLC expires { let mut b_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap(); // ChannelMonitor: claim tx, ChannelManager: local commitment tx + HTLC-timeout tx assert_eq!(b_txn.len(), 3); - check_spends!(b_txn[1], chan_2.3); // B local commitment tx, issued by ChannelManager - check_spends!(b_txn[2], b_txn[1]); // HTLC-Timeout on B local commitment tx, issued by ChannelManager - assert_eq!(b_txn[2].input[0].witness.clone().last().unwrap().len(), OFFERED_HTLC_SCRIPT_WEIGHT); - assert!(b_txn[2].output[0].script_pubkey.is_v0_p2wsh()); // revokeable output - assert_ne!(b_txn[2].lock_time, 0); // Timeout tx - check_spends!(b_txn[0], c_txn[1]); // timeout tx on C remote commitment tx, issued by ChannelMonitor - assert_eq!(b_txn[0].input[0].witness.clone().last().unwrap().len(), ACCEPTED_HTLC_SCRIPT_WEIGHT); - assert!(b_txn[0].output[0].script_pubkey.is_v0_p2wpkh()); // direct payment + check_spends!(b_txn[0], chan_2.3); // B local commitment tx, issued by ChannelManager + check_spends!(b_txn[1], b_txn[0]); // HTLC-Timeout on B local commitment tx, issued by ChannelManager + assert_eq!(b_txn[1].input[0].witness.clone().last().unwrap().len(), OFFERED_HTLC_SCRIPT_WEIGHT); + assert!(b_txn[1].output[0].script_pubkey.is_v0_p2wsh()); // revokeable output + assert_ne!(b_txn[1].lock_time, 0); // Timeout tx + check_spends!(b_txn[2], c_txn[1]); // timeout tx on C remote commitment tx, issued by ChannelMonitor + assert_eq!(b_txn[2].input[0].witness.clone().last().unwrap().len(), ACCEPTED_HTLC_SCRIPT_WEIGHT); + assert!(b_txn[2].output[0].script_pubkey.is_v0_p2wpkh()); // direct payment assert_ne!(b_txn[2].lock_time, 0); // Timeout tx b_txn.clear(); } @@ -5281,14 +5324,19 @@ fn test_onchain_to_onchain_claim() { let commitment_tx = get_local_commitment_txn!(nodes[0], chan_1.2); mine_transaction(&nodes[1], &commitment_tx[0]); let b_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap(); - // ChannelMonitor: HTLC-Success tx, ChannelManager: local commitment tx + HTLC-Success tx - assert_eq!(b_txn.len(), 3); - check_spends!(b_txn[1], chan_1.3); - check_spends!(b_txn[2], b_txn[1]); - check_spends!(b_txn[0], commitment_tx[0]); - assert_eq!(b_txn[0].input[0].witness.clone().last().unwrap().len(), OFFERED_HTLC_SCRIPT_WEIGHT); - assert!(b_txn[0].output[0].script_pubkey.is_v0_p2wpkh()); // direct payment - assert_eq!(b_txn[0].lock_time, 0); // Success tx + // ChannelMonitor: HTLC-Success tx + HTLC-Timeout RBF Bump, ChannelManager: local commitment tx + HTLC-Success tx + assert_eq!(b_txn.len(), 4); + check_spends!(b_txn[2], chan_1.3); + check_spends!(b_txn[3], b_txn[2]); + let (htlc_success_claim, htlc_timeout_bumped) = + if b_txn[0].input[0].previous_output.txid == commitment_tx[0].txid() + { (&b_txn[0], &b_txn[1]) } else { (&b_txn[1], &b_txn[0]) }; + check_spends!(htlc_success_claim, commitment_tx[0]); + assert_eq!(htlc_success_claim.input[0].witness.clone().last().unwrap().len(), OFFERED_HTLC_SCRIPT_WEIGHT); + assert!(htlc_success_claim.output[0].script_pubkey.is_v0_p2wpkh()); // direct payment + assert_eq!(htlc_success_claim.lock_time, 0); // Success tx + check_spends!(htlc_timeout_bumped, c_txn[1]); // timeout tx on C remote commitment tx, issued by ChannelMonitor + assert_ne!(htlc_timeout_bumped.lock_time, 0); // Success tx check_closed_broadcast!(nodes[1], true); check_added_monitors!(nodes[1], 1); @@ -5309,7 +5357,7 @@ fn test_duplicate_payment_hash_one_failure_one_success() { let chan_2 = create_announced_chan_between_nodes(&nodes, 1, 2, InitFeatures::known(), InitFeatures::known()); create_announced_chan_between_nodes(&nodes, 2, 3, InitFeatures::known(), InitFeatures::known()); - let node_max_height = std::cmp::max(std::cmp::max(nodes[0].blocks.borrow().len(), nodes[1].blocks.borrow().len()), std::cmp::max(nodes[2].blocks.borrow().len(), nodes[3].blocks.borrow().len())) as u32; + let node_max_height = nodes.iter().map(|node| node.blocks.borrow().len()).max().unwrap() as u32; connect_blocks(&nodes[0], node_max_height - nodes[0].best_block_info().1); connect_blocks(&nodes[1], node_max_height - nodes[1].best_block_info().1); connect_blocks(&nodes[2], node_max_height - nodes[2].best_block_info().1); @@ -5332,23 +5380,29 @@ fn test_duplicate_payment_hash_one_failure_one_success() { mine_transaction(&nodes[1], &commitment_txn[0]); check_closed_broadcast!(nodes[1], true); check_added_monitors!(nodes[1], 1); + connect_blocks(&nodes[1], TEST_FINAL_CLTV - 40 + MIN_CLTV_EXPIRY_DELTA as u32 - 1); // Confirm blocks until the HTLC expires let htlc_timeout_tx; { // Extract one of the two HTLC-Timeout transaction let node_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap(); - // ChannelMonitor: timeout tx * 2, ChannelManager: local commitment tx + HTLC-timeout * 2 - assert_eq!(node_txn.len(), 5); - check_spends!(node_txn[0], commitment_txn[0]); - assert_eq!(node_txn[0].input.len(), 1); - check_spends!(node_txn[1], commitment_txn[0]); - assert_eq!(node_txn[1].input.len(), 1); - assert_ne!(node_txn[0].input[0], node_txn[1].input[0]); - assert_eq!(node_txn[0].input[0].witness.last().unwrap().len(), ACCEPTED_HTLC_SCRIPT_WEIGHT); - assert_eq!(node_txn[1].input[0].witness.last().unwrap().len(), ACCEPTED_HTLC_SCRIPT_WEIGHT); - check_spends!(node_txn[2], chan_2.3); - check_spends!(node_txn[3], node_txn[2]); - check_spends!(node_txn[4], node_txn[2]); - htlc_timeout_tx = node_txn[1].clone(); + // ChannelMonitor: timeout tx * 3, ChannelManager: local commitment tx + HTLC-timeout * 2 + assert_eq!(node_txn.len(), 6); + check_spends!(node_txn[0], chan_2.3); + check_spends!(node_txn[1], node_txn[0]); + check_spends!(node_txn[2], node_txn[0]); + + check_spends!(node_txn[3], commitment_txn[0]); + assert_eq!(node_txn[3].input.len(), 1); + check_spends!(node_txn[4], commitment_txn[0]); + assert_eq!(node_txn[4].input.len(), 1); + assert_eq!(node_txn[3].input[0].previous_output, node_txn[4].input[0].previous_output); + check_spends!(node_txn[5], commitment_txn[0]); + assert_ne!(node_txn[3].input[0].previous_output, node_txn[5].input[0].previous_output); + + assert_eq!(node_txn[3].input[0].witness.last().unwrap().len(), ACCEPTED_HTLC_SCRIPT_WEIGHT); + assert_eq!(node_txn[4].input[0].witness.last().unwrap().len(), ACCEPTED_HTLC_SCRIPT_WEIGHT); + assert_eq!(node_txn[5].input[0].witness.last().unwrap().len(), ACCEPTED_HTLC_SCRIPT_WEIGHT); + htlc_timeout_tx = node_txn[3].clone(); } nodes[2].node.claim_funds(our_payment_preimage); @@ -5371,11 +5425,11 @@ fn test_duplicate_payment_hash_one_failure_one_success() { assert_eq!(htlc_success_txn[0].input[0].witness.last().unwrap().len(), ACCEPTED_HTLC_SCRIPT_WEIGHT); assert_eq!(htlc_success_txn[1].input.len(), 1); assert_eq!(htlc_success_txn[1].input[0].witness.last().unwrap().len(), ACCEPTED_HTLC_SCRIPT_WEIGHT); - assert_ne!(htlc_success_txn[0].input[0], htlc_success_txn[1].input[0]); + assert_ne!(htlc_success_txn[0].input[0].previous_output, htlc_success_txn[1].input[0].previous_output); assert_eq!(htlc_success_txn[2], commitment_txn[0]); assert_eq!(htlc_success_txn[3], htlc_success_txn[0]); assert_eq!(htlc_success_txn[4], htlc_success_txn[1]); - + assert_ne!(htlc_success_txn[0].input[0].previous_output, htlc_timeout_tx.input[0].previous_output); mine_transaction(&nodes[1], &htlc_timeout_tx); connect_blocks(&nodes[1], ANTI_REORG_DELAY - 1); @@ -5748,13 +5802,17 @@ fn test_dynamic_spendable_outputs_local_htlc_timeout_tx() { mine_transaction(&nodes[0], &local_txn[0]); check_closed_broadcast!(nodes[0], true); check_added_monitors!(nodes[0], 1); + connect_blocks(&nodes[0], TEST_FINAL_CLTV - 1); // Confirm blocks until the HTLC expires let htlc_timeout = { let node_txn = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap(); - assert_eq!(node_txn[0].input.len(), 1); - assert_eq!(node_txn[0].input[0].witness.last().unwrap().len(), OFFERED_HTLC_SCRIPT_WEIGHT); - check_spends!(node_txn[0], local_txn[0]); - node_txn[0].clone() + assert_eq!(node_txn.len(), 3); + check_spends!(node_txn[0], chan_1.3); + assert_eq!(node_txn[1], node_txn[2]); + assert_eq!(node_txn[1].input.len(), 1); + assert_eq!(node_txn[1].input[0].witness.last().unwrap().len(), OFFERED_HTLC_SCRIPT_WEIGHT); + check_spends!(node_txn[1], local_txn[0]); + node_txn[1].clone() }; mine_transaction(&nodes[0], &htlc_timeout); @@ -5819,10 +5877,10 @@ fn test_key_derivation_params() { let htlc_timeout = { let node_txn = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap(); - assert_eq!(node_txn[0].input.len(), 1); - assert_eq!(node_txn[0].input[0].witness.last().unwrap().len(), OFFERED_HTLC_SCRIPT_WEIGHT); - check_spends!(node_txn[0], local_txn_1[0]); - node_txn[0].clone() + assert_eq!(node_txn[1].input.len(), 1); + assert_eq!(node_txn[1].input[0].witness.last().unwrap().len(), OFFERED_HTLC_SCRIPT_WEIGHT); + check_spends!(node_txn[1], local_txn_1[0]); + node_txn[1].clone() }; mine_transaction(&nodes[0], &htlc_timeout); @@ -7258,7 +7316,7 @@ fn do_test_sweep_outbound_htlc_failure_update(revoked: bool, local: bool) { check_closed_broadcast!(nodes[0], true); check_added_monitors!(nodes[0], 1); assert_eq!(nodes[0].node.get_and_clear_pending_events().len(), 0); - timeout_tx.push(nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap()[0].clone()); + timeout_tx.push(nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap()[1].clone()); connect_blocks(&nodes[0], ANTI_REORG_DELAY - 1); expect_payment_failed!(nodes[0], dust_hash, true); assert_eq!(timeout_tx[0].input[0].witness.last().unwrap().len(), OFFERED_HTLC_SCRIPT_WEIGHT); @@ -7273,8 +7331,8 @@ fn do_test_sweep_outbound_htlc_failure_update(revoked: bool, local: bool) { check_closed_broadcast!(nodes[0], true); check_added_monitors!(nodes[0], 1); assert_eq!(nodes[0].node.get_and_clear_pending_events().len(), 0); - timeout_tx.push(nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap()[0].clone()); - connect_blocks(&nodes[0], ANTI_REORG_DELAY - 1); + connect_blocks(&nodes[0], TEST_FINAL_CLTV - 1); // Confirm blocks until the HTLC expires + timeout_tx.push(nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap()[2].clone()); if !revoked { expect_payment_failed!(nodes[0], dust_hash, true); assert_eq!(timeout_tx[0].input[0].witness.last().unwrap().len(), ACCEPTED_HTLC_SCRIPT_WEIGHT); @@ -7981,31 +8039,28 @@ fn test_bump_penalty_txn_on_revoked_htlcs() { connect_block(&nodes[1], &Block { header, txdata: vec![revoked_local_txn[0].clone()] }); check_closed_broadcast!(nodes[1], true); check_added_monitors!(nodes[1], 1); + connect_blocks(&nodes[1], 49); // Confirm blocks until the HTLC expires (note CLTV was explicitly 50 above) let revoked_htlc_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap(); assert_eq!(revoked_htlc_txn.len(), 4); - if revoked_htlc_txn[0].input[0].witness.last().unwrap().len() == ACCEPTED_HTLC_SCRIPT_WEIGHT { - assert_eq!(revoked_htlc_txn[0].input.len(), 1); - check_spends!(revoked_htlc_txn[0], revoked_local_txn[0]); - assert_eq!(revoked_htlc_txn[1].input.len(), 1); - assert_eq!(revoked_htlc_txn[1].input[0].witness.last().unwrap().len(), OFFERED_HTLC_SCRIPT_WEIGHT); - assert_eq!(revoked_htlc_txn[1].output.len(), 1); - check_spends!(revoked_htlc_txn[1], revoked_local_txn[0]); - } else if revoked_htlc_txn[1].input[0].witness.last().unwrap().len() == ACCEPTED_HTLC_SCRIPT_WEIGHT { - assert_eq!(revoked_htlc_txn[1].input.len(), 1); - check_spends!(revoked_htlc_txn[1], revoked_local_txn[0]); - assert_eq!(revoked_htlc_txn[0].input.len(), 1); - assert_eq!(revoked_htlc_txn[0].input[0].witness.last().unwrap().len(), OFFERED_HTLC_SCRIPT_WEIGHT); - assert_eq!(revoked_htlc_txn[0].output.len(), 1); - check_spends!(revoked_htlc_txn[0], revoked_local_txn[0]); - } + check_spends!(revoked_htlc_txn[1], chan.3); + check_spends!(revoked_htlc_txn[2], revoked_htlc_txn[1]); + + assert_eq!(revoked_htlc_txn[0].input[0].witness.last().unwrap().len(), ACCEPTED_HTLC_SCRIPT_WEIGHT); + assert_eq!(revoked_htlc_txn[0].input.len(), 1); + check_spends!(revoked_htlc_txn[0], revoked_local_txn[0]); + + assert_eq!(revoked_htlc_txn[3].input.len(), 1); + assert_eq!(revoked_htlc_txn[3].input[0].witness.last().unwrap().len(), OFFERED_HTLC_SCRIPT_WEIGHT); + assert_eq!(revoked_htlc_txn[3].output.len(), 1); + check_spends!(revoked_htlc_txn[3], revoked_local_txn[0]); // Broadcast set of revoked txn on A let hash_128 = connect_blocks(&nodes[0], 40); let header_11 = BlockHeader { version: 0x20000000, prev_blockhash: hash_128, merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; connect_block(&nodes[0], &Block { header: header_11, txdata: vec![revoked_local_txn[0].clone()] }); let header_129 = BlockHeader { version: 0x20000000, prev_blockhash: header_11.block_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; - connect_block(&nodes[0], &Block { header: header_129, txdata: vec![revoked_htlc_txn[0].clone(), revoked_htlc_txn[1].clone()] }); + connect_block(&nodes[0], &Block { header: header_129, txdata: vec![revoked_htlc_txn[0].clone(), revoked_htlc_txn[3].clone()] }); expect_pending_htlcs_forwardable_ignore!(nodes[0]); let first; let feerate_1; @@ -8034,7 +8089,7 @@ fn test_bump_penalty_txn_on_revoked_htlcs() { assert_ne!(node_txn[1].input[0].previous_output, node_txn[2].input[0].previous_output); assert_eq!(node_txn[0].input[0].previous_output, revoked_htlc_txn[0].input[0].previous_output); - assert_eq!(node_txn[1].input[0].previous_output, revoked_htlc_txn[1].input[0].previous_output); + assert_eq!(node_txn[1].input[0].previous_output, revoked_htlc_txn[3].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 @@ -8045,11 +8100,11 @@ fn test_bump_penalty_txn_on_revoked_htlcs() { // output, checked above). assert_eq!(node_txn[4].input.len(), 2); assert_eq!(node_txn[4].output.len(), 1); - check_spends!(node_txn[4], revoked_htlc_txn[0], revoked_htlc_txn[1]); + check_spends!(node_txn[4], revoked_htlc_txn[0], revoked_htlc_txn[3]); first = node_txn[4].txid(); // Store both feerates for later comparison - let fee_1 = revoked_htlc_txn[0].output[0].value + revoked_htlc_txn[1].output[0].value - node_txn[4].output[0].value; + let fee_1 = revoked_htlc_txn[0].output[0].value + revoked_htlc_txn[3].output[0].value - node_txn[4].output[0].value; feerate_1 = fee_1 * 1000 / node_txn[4].get_weight() as u64; penalty_txn = vec![node_txn[2].clone()]; node_txn.clear(); @@ -8068,9 +8123,9 @@ fn test_bump_penalty_txn_on_revoked_htlcs() { check_spends!(node_txn[1], revoked_local_txn[0]); // Note that these are both bogus - they spend outputs already claimed in block 129: if node_txn[0].input[0].previous_output == revoked_htlc_txn[0].input[0].previous_output { - assert_eq!(node_txn[1].input[0].previous_output, revoked_htlc_txn[1].input[0].previous_output); + assert_eq!(node_txn[1].input[0].previous_output, revoked_htlc_txn[3].input[0].previous_output); } else { - assert_eq!(node_txn[0].input[0].previous_output, revoked_htlc_txn[1].input[0].previous_output); + assert_eq!(node_txn[0].input[0].previous_output, revoked_htlc_txn[3].input[0].previous_output); assert_eq!(node_txn[1].input[0].previous_output, revoked_htlc_txn[0].input[0].previous_output); } @@ -8086,10 +8141,10 @@ fn test_bump_penalty_txn_on_revoked_htlcs() { assert_eq!(node_txn.len(), 1); assert_eq!(node_txn[0].input.len(), 2); - check_spends!(node_txn[0], revoked_htlc_txn[0], revoked_htlc_txn[1]); + check_spends!(node_txn[0], revoked_htlc_txn[0], revoked_htlc_txn[3]); // Verify bumped tx is different and 25% bump heuristic assert_ne!(first, node_txn[0].txid()); - let fee_2 = revoked_htlc_txn[0].output[0].value + revoked_htlc_txn[1].output[0].value - node_txn[0].output[0].value; + let fee_2 = revoked_htlc_txn[0].output[0].value + revoked_htlc_txn[3].output[0].value - node_txn[0].output[0].value; let feerate_2 = fee_2 * 1000 / node_txn[0].get_weight() as u64; assert!(feerate_2 * 100 > feerate_1 * 125); let txn = vec![node_txn[0].clone()]; @@ -8143,43 +8198,45 @@ fn test_bump_penalty_txn_on_remote_commitment() { nodes[1].node.claim_funds(payment_preimage); mine_transaction(&nodes[1], &remote_txn[0]); check_added_monitors!(nodes[1], 2); + connect_blocks(&nodes[1], TEST_FINAL_CLTV - 1); // Confirm blocks until the HTLC expires // One or more claim tx should have been broadcast, check it let timeout; let preimage; + let preimage_bump; let feerate_timeout; let feerate_preimage; { let mut node_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap(); - assert_eq!(node_txn.len(), 5); // 2 * claim tx (broadcasted from ChannelMonitor) + local commitment tx + local HTLC-timeout + local HTLC-success (broadcasted from ChannelManager) + // 9 transactions including: + // 2*3 ChannelManager local broadcasts of commitment + HTLC-Success + HTLC-Timeout + // 2 * HTLC-Success (one RBF bump we'll check later) + // 1 * HTLC-Timeout + assert_eq!(node_txn.len(), 9); assert_eq!(node_txn[0].input.len(), 1); - assert_eq!(node_txn[1].input.len(), 1); + assert_eq!(node_txn[7].input.len(), 1); check_spends!(node_txn[0], remote_txn[0]); - check_spends!(node_txn[1], remote_txn[0]); - check_spends!(node_txn[2], chan.3); - check_spends!(node_txn[3], node_txn[2]); - check_spends!(node_txn[4], node_txn[2]); - if node_txn[0].input[0].witness.last().unwrap().len() == ACCEPTED_HTLC_SCRIPT_WEIGHT { - timeout = node_txn[0].txid(); - let index = node_txn[0].input[0].previous_output.vout; - let fee = remote_txn[0].output[index as usize].value - node_txn[0].output[0].value; - feerate_timeout = fee * 1000 / node_txn[0].get_weight() as u64; - - preimage = node_txn[1].txid(); - let index = node_txn[1].input[0].previous_output.vout; - let fee = remote_txn[0].output[index as usize].value - node_txn[1].output[0].value; - feerate_preimage = fee * 1000 / node_txn[1].get_weight() as u64; - } else { - timeout = node_txn[1].txid(); - let index = node_txn[1].input[0].previous_output.vout; - let fee = remote_txn[0].output[index as usize].value - node_txn[1].output[0].value; - feerate_timeout = fee * 1000 / node_txn[1].get_weight() as u64; - - preimage = node_txn[0].txid(); - let index = node_txn[0].input[0].previous_output.vout; - let fee = remote_txn[0].output[index as usize].value - node_txn[0].output[0].value; - feerate_preimage = fee * 1000 / node_txn[0].get_weight() as u64; - } + check_spends!(node_txn[7], remote_txn[0]); + assert_eq!(node_txn[0].input[0].previous_output, node_txn[4].input[0].previous_output); + preimage_bump = node_txn[4].clone(); + + check_spends!(node_txn[1], chan.3); + check_spends!(node_txn[2], node_txn[1]); + check_spends!(node_txn[3], node_txn[1]); + assert_eq!(node_txn[1], node_txn[5]); + assert_eq!(node_txn[2], node_txn[6]); + assert_eq!(node_txn[3], node_txn[8]); + + timeout = node_txn[7].txid(); + let index = node_txn[7].input[0].previous_output.vout; + let fee = remote_txn[0].output[index as usize].value - node_txn[7].output[0].value; + feerate_timeout = fee * 1000 / node_txn[7].get_weight() as u64; + + preimage = node_txn[0].txid(); + let index = node_txn[0].input[0].previous_output.vout; + let fee = remote_txn[0].output[index as usize].value - node_txn[0].output[0].value; + feerate_preimage = fee * 1000 / node_txn[0].get_weight() as u64; + node_txn.clear(); }; assert_ne!(feerate_timeout, 0); @@ -8189,36 +8246,24 @@ fn test_bump_penalty_txn_on_remote_commitment() { connect_blocks(&nodes[1], 15); { let mut node_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap(); - assert_eq!(node_txn.len(), 2); + assert_eq!(node_txn.len(), 1); assert_eq!(node_txn[0].input.len(), 1); - assert_eq!(node_txn[1].input.len(), 1); + assert_eq!(preimage_bump.input.len(), 1); check_spends!(node_txn[0], remote_txn[0]); - check_spends!(node_txn[1], remote_txn[0]); - if node_txn[0].input[0].witness.last().unwrap().len() == ACCEPTED_HTLC_SCRIPT_WEIGHT { - let index = node_txn[0].input[0].previous_output.vout; - let fee = remote_txn[0].output[index as usize].value - node_txn[0].output[0].value; - let new_feerate = fee * 1000 / node_txn[0].get_weight() as u64; - assert!(new_feerate * 100 > feerate_timeout * 125); - assert_ne!(timeout, node_txn[0].txid()); - - let index = node_txn[1].input[0].previous_output.vout; - let fee = remote_txn[0].output[index as usize].value - node_txn[1].output[0].value; - let new_feerate = fee * 1000 / node_txn[1].get_weight() as u64; - assert!(new_feerate * 100 > feerate_preimage * 125); - assert_ne!(preimage, node_txn[1].txid()); - } else { - let index = node_txn[1].input[0].previous_output.vout; - let fee = remote_txn[0].output[index as usize].value - node_txn[1].output[0].value; - let new_feerate = fee * 1000 / node_txn[1].get_weight() as u64; - assert!(new_feerate * 100 > feerate_timeout * 125); - assert_ne!(timeout, node_txn[1].txid()); - - let index = node_txn[0].input[0].previous_output.vout; - let fee = remote_txn[0].output[index as usize].value - node_txn[0].output[0].value; - let new_feerate = fee * 1000 / node_txn[0].get_weight() as u64; - assert!(new_feerate * 100 > feerate_preimage * 125); - assert_ne!(preimage, node_txn[0].txid()); - } + check_spends!(preimage_bump, remote_txn[0]); + + let index = preimage_bump.input[0].previous_output.vout; + let fee = remote_txn[0].output[index as usize].value - preimage_bump.output[0].value; + let new_feerate = fee * 1000 / preimage_bump.get_weight() as u64; + assert!(new_feerate * 100 > feerate_timeout * 125); + assert_ne!(timeout, preimage_bump.txid()); + + let index = node_txn[0].input[0].previous_output.vout; + let fee = remote_txn[0].output[index as usize].value - node_txn[0].output[0].value; + let new_feerate = fee * 1000 / node_txn[0].get_weight() as u64; + assert!(new_feerate * 100 > feerate_preimage * 125); + assert_ne!(preimage, node_txn[0].txid()); + node_txn.clear(); } @@ -8790,16 +8835,17 @@ fn test_htlc_no_detection() { chain::Listen::block_connected(&nodes[0].chain_monitor.chain_monitor, &Block { header, txdata: vec![local_txn[0].clone()] }, nodes[0].best_block_info().1 + 1); check_closed_broadcast!(nodes[0], true); check_added_monitors!(nodes[0], 1); + connect_blocks(&nodes[0], TEST_FINAL_CLTV - 1); let htlc_timeout = { let node_txn = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap(); - assert_eq!(node_txn[0].input.len(), 1); - assert_eq!(node_txn[0].input[0].witness.last().unwrap().len(), OFFERED_HTLC_SCRIPT_WEIGHT); - check_spends!(node_txn[0], local_txn[0]); - node_txn[0].clone() + assert_eq!(node_txn[1].input.len(), 1); + assert_eq!(node_txn[1].input[0].witness.last().unwrap().len(), OFFERED_HTLC_SCRIPT_WEIGHT); + check_spends!(node_txn[1], local_txn[0]); + node_txn[1].clone() }; - let header_201 = BlockHeader { version: 0x20000000, prev_blockhash: header.block_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; + let header_201 = BlockHeader { version: 0x20000000, prev_blockhash: nodes[0].best_block_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; connect_block(&nodes[0], &Block { header: header_201, txdata: vec![htlc_timeout.clone()] }); connect_blocks(&nodes[0], ANTI_REORG_DELAY - 1); expect_payment_failed!(nodes[0], our_payment_hash, true); diff --git a/lightning/src/ln/reorg_tests.rs b/lightning/src/ln/reorg_tests.rs index 2e67d790f..a9ee10c88 100644 --- a/lightning/src/ln/reorg_tests.rs +++ b/lightning/src/ln/reorg_tests.rs @@ -102,16 +102,19 @@ fn do_test_onchain_htlc_reorg(local_commitment: bool, claim: bool) { // Give node 1 node 2's commitment transaction and get its response (timing the HTLC out) mine_transaction(&nodes[1], &node_2_commitment_txn[0]); + connect_blocks(&nodes[1], TEST_FINAL_CLTV - 1); // Confirm blocks until the HTLC expires let node_1_commitment_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap(); assert_eq!(node_1_commitment_txn.len(), 3); // ChannelMonitor: 1 offered HTLC-Timeout, ChannelManger: 1 local commitment tx, 1 Offered HTLC-Timeout - assert_eq!(node_1_commitment_txn[1].output.len(), 2); // to-local and Offered HTLC (to-remote is dust) - check_spends!(node_1_commitment_txn[1], chan_2.3); - check_spends!(node_1_commitment_txn[2], node_1_commitment_txn[1]); - check_spends!(node_1_commitment_txn[0], node_2_commitment_txn[0]); + assert_eq!(node_1_commitment_txn[0].output.len(), 2); // to-local and Offered HTLC (to-remote is dust) + check_spends!(node_1_commitment_txn[0], chan_2.3); + check_spends!(node_1_commitment_txn[1], node_1_commitment_txn[0]); + check_spends!(node_1_commitment_txn[2], node_2_commitment_txn[0]); // Confirm node 2's commitment txn (and node 1's HTLC-Timeout) on node 1 header.prev_blockhash = nodes[1].best_block_hash(); - connect_block(&nodes[1], &Block { header, txdata: vec![node_2_commitment_txn[0].clone(), node_1_commitment_txn[0].clone()] }); + let block = Block { header, txdata: vec![node_2_commitment_txn[0].clone(), node_1_commitment_txn[2].clone()] }; + std::mem::drop(node_1_commitment_txn); + connect_block(&nodes[1], &block); // ...but return node 2's commitment tx (and claim) in case claim is set and we're preparing to reorg node_2_commitment_txn };