use crate::chain::{BestBlock, ChannelMonitorUpdateStatus, Confirm, Listen, Watch, keysinterface::KeysInterface};
use crate::chain::channelmonitor::ChannelMonitor;
use crate::chain::transaction::OutPoint;
use crate::ln::{PaymentPreimage, PaymentHash, PaymentSecret};
use crate::ln::channelmanager::{self, ChainParameters, ChannelManager, ChannelManagerReadArgs, RAACommitmentOrder, PaymentSendFailure, PaymentId, MIN_CLTV_EXPIRY_DELTA};
use crate::routing::gossip::{P2PGossipSync, NetworkGraph, NetworkUpdate};
use crate::routing::router::{PaymentParameters, Route, get_route};
use crate::ln::features::InitFeatures;
use crate::ln::msgs;
use crate::ln::msgs::{ChannelMessageHandler,RoutingMessageHandler};
use crate::util::enforcing_trait_impls::EnforcingSigner;
use crate::util::scid_utils;
use crate::util::test_utils;
use crate::util::test_utils::{panicking, TestChainMonitor};
use crate::util::events::{Event, HTLCDestination, MessageSendEvent, MessageSendEventsProvider, PaymentPurpose};
use crate::util::errors::APIError;
use crate::util::config::UserConfig;
use crate::util::ser::{ReadableArgs, Writeable};
use bitcoin::blockdata::block::{Block, BlockHeader};
use bitcoin::blockdata::constants::genesis_block;
use bitcoin::blockdata::transaction::{Transaction, TxOut};
use bitcoin::network::constants::Network;
use bitcoin::hash_types::BlockHash;
use bitcoin::hashes::sha256::Hash as Sha256;
use bitcoin::hashes::Hash as _;
use bitcoin::secp256k1::PublicKey;
use crate::io;
use crate::prelude::*;
use core::cell::RefCell;
use alloc::rc::Rc;
use crate::sync::{Arc, Mutex};
use core::mem;
use core::iter::repeat;
use bitcoin::{PackedLockTime, TxMerkleNode};
pub const CHAN_CONFIRM_DEPTH: u32 = 10;
pub fn confirm_transaction<'a, 'b, 'c, 'd>(node: &'a Node<'b, 'c, 'd>, tx: &Transaction) -> u64 {
let scid = confirm_transaction_at(node, tx, node.best_block_info().1 + 1);
connect_blocks(node, CHAN_CONFIRM_DEPTH - 1);
scid
}
pub fn mine_transaction<'a, 'b, 'c, 'd>(node: &'a Node<'b, 'c, 'd>, tx: &Transaction) {
let height = node.best_block_info().1 + 1;
confirm_transaction_at(node, tx, height);
}
pub fn confirm_transaction_at<'a, 'b, 'c, 'd>(node: &'a Node<'b, 'c, 'd>, tx: &Transaction, conf_height: u32) -> u64 {
let first_connect_height = node.best_block_info().1 + 1;
assert!(first_connect_height <= conf_height);
if conf_height > first_connect_height {
connect_blocks(node, conf_height - first_connect_height);
}
let mut block = Block {
header: BlockHeader { version: 0x20000000, prev_blockhash: node.best_block_hash(), merkle_root: TxMerkleNode::all_zeros(), time: conf_height, bits: 42, nonce: 42 },
txdata: Vec::new(),
};
for _ in 0..*node.network_chan_count.borrow() { block.txdata.push(Transaction { version: 0, lock_time: PackedLockTime::ZERO, input: Vec::new(), output: Vec::new() });
}
block.txdata.push(tx.clone());
connect_block(node, &block);
scid_utils::scid_from_parts(conf_height as u64, block.txdata.len() as u64 - 1, 0).unwrap()
}
#[derive(Clone, Copy, Debug, PartialEq)]
pub enum ConnectStyle {
BestBlockFirst,
BestBlockFirstSkippingBlocks,
BestBlockFirstReorgsOnlyTip,
TransactionsFirst,
TransactionsFirstSkippingBlocks,
TransactionsDuplicativelyFirstSkippingBlocks,
HighlyRedundantTransactionsFirstSkippingBlocks,
TransactionsFirstReorgsOnlyTip,
FullBlockViaListen,
}
impl ConnectStyle {
fn random_style() -> ConnectStyle {
#[cfg(feature = "std")] {
use core::hash::{BuildHasher, Hasher};
let rand_val = std::collections::hash_map::RandomState::new().build_hasher().finish();
let res = match rand_val % 9 {
0 => ConnectStyle::BestBlockFirst,
1 => ConnectStyle::BestBlockFirstSkippingBlocks,
2 => ConnectStyle::BestBlockFirstReorgsOnlyTip,
3 => ConnectStyle::TransactionsFirst,
4 => ConnectStyle::TransactionsFirstSkippingBlocks,
5 => ConnectStyle::TransactionsDuplicativelyFirstSkippingBlocks,
6 => ConnectStyle::HighlyRedundantTransactionsFirstSkippingBlocks,
7 => ConnectStyle::TransactionsFirstReorgsOnlyTip,
8 => ConnectStyle::FullBlockViaListen,
_ => unreachable!(),
};
eprintln!("Using Block Connection Style: {:?}", res);
res
}
#[cfg(not(feature = "std"))] {
ConnectStyle::FullBlockViaListen
}
}
}
pub fn connect_blocks<'a, 'b, 'c, 'd>(node: &'a Node<'b, 'c, 'd>, depth: u32) -> BlockHash {
let skip_intermediaries = match *node.connect_style.borrow() {
ConnectStyle::BestBlockFirstSkippingBlocks|ConnectStyle::TransactionsFirstSkippingBlocks|
ConnectStyle::TransactionsDuplicativelyFirstSkippingBlocks|ConnectStyle::HighlyRedundantTransactionsFirstSkippingBlocks|
ConnectStyle::BestBlockFirstReorgsOnlyTip|ConnectStyle::TransactionsFirstReorgsOnlyTip => true,
_ => false,
};
let height = node.best_block_info().1 + 1;
let mut block = Block {
header: BlockHeader { version: 0x2000000, prev_blockhash: node.best_block_hash(), merkle_root: TxMerkleNode::all_zeros(), time: height, bits: 42, nonce: 42 },
txdata: vec![],
};
assert!(depth >= 1);
for i in 1..depth {
let prev_blockhash = block.header.block_hash();
do_connect_block(node, block, skip_intermediaries);
block = Block {
header: BlockHeader { version: 0x20000000, prev_blockhash, merkle_root: TxMerkleNode::all_zeros(), time: height + i, bits: 42, nonce: 42 },
txdata: vec![],
};
}
let hash = block.header.block_hash();
do_connect_block(node, block, false);
hash
}
pub fn connect_block<'a, 'b, 'c, 'd>(node: &'a Node<'b, 'c, 'd>, block: &Block) {
do_connect_block(node, block.clone(), false);
}
fn call_claimable_balances<'a, 'b, 'c, 'd>(node: &'a Node<'b, 'c, 'd>) {
for funding_outpoint in node.chain_monitor.chain_monitor.list_monitors() {
node.chain_monitor.chain_monitor.get_monitor(funding_outpoint).unwrap().get_claimable_balances();
}
}
fn do_connect_block<'a, 'b, 'c, 'd>(node: &'a Node<'b, 'c, 'd>, block: Block, skip_intermediaries: bool) {
call_claimable_balances(node);
let height = node.best_block_info().1 + 1;
#[cfg(feature = "std")] {
eprintln!("Connecting block using Block Connection Style: {:?}", *node.connect_style.borrow());
}
if !skip_intermediaries {
let txdata: Vec<_> = block.txdata.iter().enumerate().collect();
match *node.connect_style.borrow() {
ConnectStyle::BestBlockFirst|ConnectStyle::BestBlockFirstSkippingBlocks|ConnectStyle::BestBlockFirstReorgsOnlyTip => {
node.chain_monitor.chain_monitor.best_block_updated(&block.header, height);
call_claimable_balances(node);
node.chain_monitor.chain_monitor.transactions_confirmed(&block.header, &txdata, height);
node.node.best_block_updated(&block.header, height);
node.node.transactions_confirmed(&block.header, &txdata, height);
},
ConnectStyle::TransactionsFirst|ConnectStyle::TransactionsFirstSkippingBlocks|
ConnectStyle::TransactionsDuplicativelyFirstSkippingBlocks|ConnectStyle::HighlyRedundantTransactionsFirstSkippingBlocks|
ConnectStyle::TransactionsFirstReorgsOnlyTip => {
if *node.connect_style.borrow() == ConnectStyle::HighlyRedundantTransactionsFirstSkippingBlocks {
let mut connections = Vec::new();
for (block, height) in node.blocks.lock().unwrap().iter() {
if !block.txdata.is_empty() {
connections.push((block.clone(), *height));
}
}
for (old_block, height) in connections {
node.chain_monitor.chain_monitor.transactions_confirmed(&old_block.header,
&old_block.txdata.iter().enumerate().collect::<Vec<_>>(), height);
}
}
node.chain_monitor.chain_monitor.transactions_confirmed(&block.header, &txdata, height);
if *node.connect_style.borrow() == ConnectStyle::TransactionsDuplicativelyFirstSkippingBlocks {
node.chain_monitor.chain_monitor.transactions_confirmed(&block.header, &txdata, height);
}
call_claimable_balances(node);
node.chain_monitor.chain_monitor.best_block_updated(&block.header, height);
node.node.transactions_confirmed(&block.header, &txdata, height);
node.node.best_block_updated(&block.header, height);
},
ConnectStyle::FullBlockViaListen => {
node.chain_monitor.chain_monitor.block_connected(&block, height);
node.node.block_connected(&block, height);
}
}
}
call_claimable_balances(node);
node.node.test_process_background_events();
node.blocks.lock().unwrap().push((block, height));
}
pub fn disconnect_blocks<'a, 'b, 'c, 'd>(node: &'a Node<'b, 'c, 'd>, count: u32) {
call_claimable_balances(node);
#[cfg(feature = "std")] {
eprintln!("Disconnecting {} blocks using Block Connection Style: {:?}", count, *node.connect_style.borrow());
}
for i in 0..count {
let orig = node.blocks.lock().unwrap().pop().unwrap();
assert!(orig.1 > 0); let prev = node.blocks.lock().unwrap().last().unwrap().clone();
match *node.connect_style.borrow() {
ConnectStyle::FullBlockViaListen => {
node.chain_monitor.chain_monitor.block_disconnected(&orig.0.header, orig.1);
Listen::block_disconnected(node.node, &orig.0.header, orig.1);
},
ConnectStyle::BestBlockFirstSkippingBlocks|ConnectStyle::TransactionsFirstSkippingBlocks|
ConnectStyle::HighlyRedundantTransactionsFirstSkippingBlocks|ConnectStyle::TransactionsDuplicativelyFirstSkippingBlocks => {
if i == count - 1 {
node.chain_monitor.chain_monitor.best_block_updated(&prev.0.header, prev.1);
node.node.best_block_updated(&prev.0.header, prev.1);
}
},
ConnectStyle::BestBlockFirstReorgsOnlyTip|ConnectStyle::TransactionsFirstReorgsOnlyTip => {
for tx in orig.0.txdata {
node.chain_monitor.chain_monitor.transaction_unconfirmed(&tx.txid());
node.node.transaction_unconfirmed(&tx.txid());
}
},
_ => {
node.chain_monitor.chain_monitor.best_block_updated(&prev.0.header, prev.1);
node.node.best_block_updated(&prev.0.header, prev.1);
},
}
call_claimable_balances(node);
}
}
pub fn disconnect_all_blocks<'a, 'b, 'c, 'd>(node: &'a Node<'b, 'c, 'd>) {
let count = node.blocks.lock().unwrap().len() as u32 - 1;
disconnect_blocks(node, count);
}
pub struct TestChanMonCfg {
pub tx_broadcaster: test_utils::TestBroadcaster,
pub fee_estimator: test_utils::TestFeeEstimator,
pub chain_source: test_utils::TestChainSource,
pub persister: test_utils::TestPersister,
pub logger: test_utils::TestLogger,
pub keys_manager: test_utils::TestKeysInterface,
}
pub struct NodeCfg<'a> {
pub chain_source: &'a test_utils::TestChainSource,
pub tx_broadcaster: &'a test_utils::TestBroadcaster,
pub fee_estimator: &'a test_utils::TestFeeEstimator,
pub chain_monitor: test_utils::TestChainMonitor<'a>,
pub keys_manager: &'a test_utils::TestKeysInterface,
pub logger: &'a test_utils::TestLogger,
pub network_graph: NetworkGraph<&'a test_utils::TestLogger>,
pub node_seed: [u8; 32],
pub features: InitFeatures,
}
pub struct Node<'a, 'b: 'a, 'c: 'b> {
pub chain_source: &'c test_utils::TestChainSource,
pub tx_broadcaster: &'c test_utils::TestBroadcaster,
pub fee_estimator: &'c test_utils::TestFeeEstimator,
pub chain_monitor: &'b test_utils::TestChainMonitor<'c>,
pub keys_manager: &'b test_utils::TestKeysInterface,
pub node: &'a ChannelManager<&'b TestChainMonitor<'c>, &'c test_utils::TestBroadcaster, &'b test_utils::TestKeysInterface, &'c test_utils::TestFeeEstimator, &'c test_utils::TestLogger>,
pub network_graph: &'b NetworkGraph<&'c test_utils::TestLogger>,
pub gossip_sync: P2PGossipSync<&'b NetworkGraph<&'c test_utils::TestLogger>, &'c test_utils::TestChainSource, &'c test_utils::TestLogger>,
pub node_seed: [u8; 32],
pub network_payment_count: Rc<RefCell<u8>>,
pub network_chan_count: Rc<RefCell<u32>>,
pub logger: &'c test_utils::TestLogger,
pub blocks: Arc<Mutex<Vec<(Block, u32)>>>,
pub connect_style: Rc<RefCell<ConnectStyle>>,
}
impl<'a, 'b, 'c> Node<'a, 'b, 'c> {
pub fn best_block_hash(&self) -> BlockHash {
self.blocks.lock().unwrap().last().unwrap().0.block_hash()
}
pub fn best_block_info(&self) -> (BlockHash, u32) {
self.blocks.lock().unwrap().last().map(|(a, b)| (a.block_hash(), *b)).unwrap()
}
pub fn get_block_header(&self, height: u32) -> BlockHeader {
self.blocks.lock().unwrap()[height as usize].0.header
}
}
impl<'a, 'b, 'c> Drop for Node<'a, 'b, 'c> {
fn drop(&mut self) {
if !panicking() {
let msg_events = self.node.get_and_clear_pending_msg_events();
if !msg_events.is_empty() {
panic!("Had excess message events on node {}: {:?}", self.logger.id, msg_events);
}
let events = self.node.get_and_clear_pending_events();
if !events.is_empty() {
panic!("Had excess events on node {}: {:?}", self.logger.id, events);
}
let added_monitors = self.chain_monitor.added_monitors.lock().unwrap().split_off(0);
if !added_monitors.is_empty() {
panic!("Had {} excess added monitors on node {}", added_monitors.len(), self.logger.id);
}
{
let mut w = test_utils::TestVecWriter(Vec::new());
self.network_graph.write(&mut w).unwrap();
let network_graph_deser = <NetworkGraph<_>>::read(&mut io::Cursor::new(&w.0), self.logger).unwrap();
assert!(network_graph_deser == *self.network_graph);
let gossip_sync = P2PGossipSync::new(
&network_graph_deser, Some(self.chain_source), self.logger
);
let mut chan_progress = 0;
loop {
let orig_announcements = self.gossip_sync.get_next_channel_announcement(chan_progress);
let deserialized_announcements = gossip_sync.get_next_channel_announcement(chan_progress);
assert!(orig_announcements == deserialized_announcements);
chan_progress = match orig_announcements {
Some(announcement) => announcement.0.contents.short_channel_id + 1,
None => break,
};
}
let mut node_progress = None;
loop {
let orig_announcements = self.gossip_sync.get_next_node_announcement(node_progress.as_ref());
let deserialized_announcements = gossip_sync.get_next_node_announcement(node_progress.as_ref());
assert!(orig_announcements == deserialized_announcements);
node_progress = match orig_announcements {
Some(announcement) => Some(announcement.contents.node_id),
None => break,
};
}
}
let feeest = test_utils::TestFeeEstimator { sat_per_kw: Mutex::new(253) };
let mut deserialized_monitors = Vec::new();
{
for outpoint in self.chain_monitor.chain_monitor.list_monitors() {
let mut w = test_utils::TestVecWriter(Vec::new());
self.chain_monitor.chain_monitor.get_monitor(outpoint).unwrap().write(&mut w).unwrap();
let (_, deserialized_monitor) = <(BlockHash, ChannelMonitor<EnforcingSigner>)>::read(
&mut io::Cursor::new(&w.0), self.keys_manager).unwrap();
deserialized_monitors.push(deserialized_monitor);
}
}
let broadcaster = test_utils::TestBroadcaster {
txn_broadcasted: Mutex::new(self.tx_broadcaster.txn_broadcasted.lock().unwrap().clone()),
blocks: Arc::new(Mutex::new(self.tx_broadcaster.blocks.lock().unwrap().clone())),
};
{
let mut channel_monitors = HashMap::new();
for monitor in deserialized_monitors.iter_mut() {
channel_monitors.insert(monitor.get_funding_txo().0, monitor);
}
let mut w = test_utils::TestVecWriter(Vec::new());
self.node.write(&mut w).unwrap();
<(BlockHash, ChannelManager<&test_utils::TestChainMonitor, &test_utils::TestBroadcaster, &test_utils::TestKeysInterface, &test_utils::TestFeeEstimator, &test_utils::TestLogger>)>::read(&mut io::Cursor::new(w.0), ChannelManagerReadArgs {
default_config: *self.node.get_current_default_configuration(),
keys_manager: self.keys_manager,
fee_estimator: &test_utils::TestFeeEstimator { sat_per_kw: Mutex::new(253) },
chain_monitor: self.chain_monitor,
tx_broadcaster: &broadcaster,
logger: &self.logger,
channel_monitors,
}).unwrap();
}
let persister = test_utils::TestPersister::new();
let chain_source = test_utils::TestChainSource::new(Network::Testnet);
let chain_monitor = test_utils::TestChainMonitor::new(Some(&chain_source), &broadcaster, &self.logger, &feeest, &persister, &self.keys_manager);
for deserialized_monitor in deserialized_monitors.drain(..) {
if chain_monitor.watch_channel(deserialized_monitor.get_funding_txo().0, deserialized_monitor) != ChannelMonitorUpdateStatus::Completed {
panic!();
}
}
assert_eq!(*chain_source.watched_txn.lock().unwrap(), *self.chain_source.watched_txn.lock().unwrap());
assert_eq!(*chain_source.watched_outputs.lock().unwrap(), *self.chain_source.watched_outputs.lock().unwrap());
}
}
}
pub fn create_chan_between_nodes<'a, 'b, 'c, 'd>(node_a: &'a Node<'b, 'c, 'd>, node_b: &'a Node<'b, 'c, 'd>, a_flags: InitFeatures, b_flags: InitFeatures) -> (msgs::ChannelAnnouncement, msgs::ChannelUpdate, msgs::ChannelUpdate, [u8; 32], Transaction) {
create_chan_between_nodes_with_value(node_a, node_b, 100000, 10001, a_flags, b_flags)
}
pub fn create_chan_between_nodes_with_value<'a, 'b, 'c, 'd>(node_a: &'a Node<'b, 'c, 'd>, node_b: &'a Node<'b, 'c, 'd>, channel_value: u64, push_msat: u64, a_flags: InitFeatures, b_flags: InitFeatures) -> (msgs::ChannelAnnouncement, msgs::ChannelUpdate, msgs::ChannelUpdate, [u8; 32], Transaction) {
let (channel_ready, channel_id, tx) = create_chan_between_nodes_with_value_a(node_a, node_b, channel_value, push_msat, a_flags, b_flags);
let (announcement, as_update, bs_update) = create_chan_between_nodes_with_value_b(node_a, node_b, &channel_ready);
(announcement, as_update, bs_update, channel_id, tx)
}
#[macro_export]
macro_rules! get_revoke_commit_msgs {
($node: expr, $node_id: expr) => {
{
use $crate::util::events::MessageSendEvent;
let events = $node.node.get_and_clear_pending_msg_events();
assert_eq!(events.len(), 2);
(match events[0] {
MessageSendEvent::SendRevokeAndACK { ref node_id, ref msg } => {
assert_eq!(*node_id, $node_id);
(*msg).clone()
},
_ => panic!("Unexpected event"),
}, match events[1] {
MessageSendEvent::UpdateHTLCs { ref node_id, ref updates } => {
assert_eq!(*node_id, $node_id);
assert!(updates.update_add_htlcs.is_empty());
assert!(updates.update_fulfill_htlcs.is_empty());
assert!(updates.update_fail_htlcs.is_empty());
assert!(updates.update_fail_malformed_htlcs.is_empty());
assert!(updates.update_fee.is_none());
updates.commitment_signed.clone()
},
_ => panic!("Unexpected event"),
})
}
}
}
#[macro_export]
macro_rules! get_event_msg {
($node: expr, $event_type: path, $node_id: expr) => {
{
let events = $node.node.get_and_clear_pending_msg_events();
assert_eq!(events.len(), 1);
match events[0] {
$event_type { ref node_id, ref msg } => {
assert_eq!(*node_id, $node_id);
(*msg).clone()
},
_ => panic!("Unexpected event"),
}
}
}
}
#[macro_export]
macro_rules! get_err_msg {
($node: expr, $node_id: expr) => {
{
let events = $node.node.get_and_clear_pending_msg_events();
assert_eq!(events.len(), 1);
match events[0] {
$crate::util::events::MessageSendEvent::HandleError {
action: $crate::ln::msgs::ErrorAction::SendErrorMessage { ref msg }, ref node_id
} => {
assert_eq!(*node_id, $node_id);
(*msg).clone()
},
_ => panic!("Unexpected event"),
}
}
}
}
#[macro_export]
macro_rules! get_event {
($node: expr, $event_type: path) => {
{
let mut events = $node.node.get_and_clear_pending_events();
assert_eq!(events.len(), 1);
let ev = events.pop().unwrap();
match ev {
$event_type { .. } => {
ev
},
_ => panic!("Unexpected event"),
}
}
}
}
#[macro_export]
macro_rules! get_htlc_update_msgs {
($node: expr, $node_id: expr) => {
{
let events = $node.node.get_and_clear_pending_msg_events();
assert_eq!(events.len(), 1);
match events[0] {
$crate::util::events::MessageSendEvent::UpdateHTLCs { ref node_id, ref updates } => {
assert_eq!(*node_id, $node_id);
(*updates).clone()
},
_ => panic!("Unexpected event"),
}
}
}
}
#[cfg(test)]
macro_rules! get_channel_ref {
($node: expr, $lock: ident, $channel_id: expr) => {
{
$lock = $node.node.channel_state.lock().unwrap();
$lock.by_id.get_mut(&$channel_id).unwrap()
}
}
}
#[cfg(test)]
macro_rules! get_feerate {
($node: expr, $channel_id: expr) => {
{
let mut lock;
let chan = get_channel_ref!($node, lock, $channel_id);
chan.get_feerate()
}
}
}
#[cfg(test)]
macro_rules! get_opt_anchors {
($node: expr, $channel_id: expr) => {
{
let mut lock;
let chan = get_channel_ref!($node, lock, $channel_id);
chan.opt_anchors()
}
}
}
#[macro_export]
macro_rules! get_monitor {
($node: expr, $channel_id: expr) => {
{
use bitcoin::hashes::Hash;
let mut monitor = None;
for index in 0..2 {
if let Ok(mon) = $node.chain_monitor.chain_monitor.get_monitor(
$crate::chain::transaction::OutPoint {
txid: bitcoin::Txid::from_slice(&$channel_id[..]).unwrap(), index
})
{
monitor = Some(mon);
break;
}
}
monitor.unwrap()
}
}
}
#[macro_export]
macro_rules! get_local_commitment_txn {
($node: expr, $channel_id: expr) => {
{
$crate::get_monitor!($node, $channel_id).unsafe_get_latest_holder_commitment_txn(&$node.logger)
}
}
}
#[macro_export]
macro_rules! unwrap_send_err {
($res: expr, $all_failed: expr, $type: pat, $check: expr) => {
match &$res {
&Err(PaymentSendFailure::AllFailedResendSafe(ref fails)) if $all_failed => {
assert_eq!(fails.len(), 1);
match fails[0] {
$type => { $check },
_ => panic!(),
}
},
&Err(PaymentSendFailure::PartialFailure { ref results, .. }) if !$all_failed => {
assert_eq!(results.len(), 1);
match results[0] {
Err($type) => { $check },
_ => panic!(),
}
},
_ => panic!(),
}
}
}
#[macro_export]
macro_rules! check_added_monitors {
($node: expr, $count: expr) => {
{
let mut added_monitors = $node.chain_monitor.added_monitors.lock().unwrap();
assert_eq!(added_monitors.len(), $count);
added_monitors.clear();
}
}
}
pub fn _reload_node<'a, 'b, 'c, 'd>(node: &'a Node<'b, 'c, 'd>, default_config: UserConfig, chanman_encoded: &[u8], monitors_encoded: &[&[u8]]) -> ChannelManager<&'b TestChainMonitor<'c>, &'c test_utils::TestBroadcaster, &'b test_utils::TestKeysInterface, &'c test_utils::TestFeeEstimator, &'c test_utils::TestLogger> {
let mut monitors_read = Vec::with_capacity(monitors_encoded.len());
for encoded in monitors_encoded {
let mut monitor_read = &encoded[..];
let (_, monitor) = <(BlockHash, ChannelMonitor<EnforcingSigner>)>
::read(&mut monitor_read, node.keys_manager).unwrap();
assert!(monitor_read.is_empty());
monitors_read.push(monitor);
}
let mut node_read = &chanman_encoded[..];
let (_, node_deserialized) = {
let mut channel_monitors = HashMap::new();
for monitor in monitors_read.iter_mut() {
assert!(channel_monitors.insert(monitor.get_funding_txo().0, monitor).is_none());
}
<(BlockHash, ChannelManager<&test_utils::TestChainMonitor, &test_utils::TestBroadcaster, &test_utils::TestKeysInterface, &test_utils::TestFeeEstimator, &test_utils::TestLogger>)>::read(&mut node_read, ChannelManagerReadArgs {
default_config,
keys_manager: node.keys_manager,
fee_estimator: node.fee_estimator,
chain_monitor: node.chain_monitor,
tx_broadcaster: node.tx_broadcaster,
logger: node.logger,
channel_monitors,
}).unwrap()
};
assert!(node_read.is_empty());
for monitor in monitors_read.drain(..) {
assert_eq!(node.chain_monitor.watch_channel(monitor.get_funding_txo().0, monitor),
ChannelMonitorUpdateStatus::Completed);
check_added_monitors!(node, 1);
}
node_deserialized
}
#[cfg(test)]
macro_rules! reload_node {
($node: expr, $new_config: expr, $chanman_encoded: expr, $monitors_encoded: expr, $persister: ident, $new_chain_monitor: ident, $new_channelmanager: ident) => {
let chanman_encoded = $chanman_encoded;
$persister = test_utils::TestPersister::new();
$new_chain_monitor = test_utils::TestChainMonitor::new(Some($node.chain_source), $node.tx_broadcaster.clone(), $node.logger, $node.fee_estimator, &$persister, &$node.keys_manager);
$node.chain_monitor = &$new_chain_monitor;
$new_channelmanager = _reload_node(&$node, $new_config, &chanman_encoded, $monitors_encoded);
$node.node = &$new_channelmanager;
};
($node: expr, $chanman_encoded: expr, $monitors_encoded: expr, $persister: ident, $new_chain_monitor: ident, $new_channelmanager: ident) => {
reload_node!($node, $crate::util::config::UserConfig::default(), $chanman_encoded, $monitors_encoded, $persister, $new_chain_monitor, $new_channelmanager);
};
}
pub fn create_funding_transaction<'a, 'b, 'c>(node: &Node<'a, 'b, 'c>, expected_counterparty_node_id: &PublicKey, expected_chan_value: u64, expected_user_chan_id: u128) -> ([u8; 32], Transaction, OutPoint) {
let chan_id = *node.network_chan_count.borrow();
let events = node.node.get_and_clear_pending_events();
assert_eq!(events.len(), 1);
match events[0] {
Event::FundingGenerationReady { ref temporary_channel_id, ref counterparty_node_id, ref channel_value_satoshis, ref output_script, user_channel_id } => {
assert_eq!(counterparty_node_id, expected_counterparty_node_id);
assert_eq!(*channel_value_satoshis, expected_chan_value);
assert_eq!(user_channel_id, expected_user_chan_id);
let tx = Transaction { version: chan_id as i32, lock_time: PackedLockTime::ZERO, input: Vec::new(), output: vec![TxOut {
value: *channel_value_satoshis, script_pubkey: output_script.clone(),
}]};
let funding_outpoint = OutPoint { txid: tx.txid(), index: 0 };
(*temporary_channel_id, tx, funding_outpoint)
},
_ => panic!("Unexpected event"),
}
}
pub fn sign_funding_transaction<'a, 'b, 'c>(node_a: &Node<'a, 'b, 'c>, node_b: &Node<'a, 'b, 'c>, channel_value: u64, expected_temporary_channel_id: [u8; 32]) -> Transaction {
let (temporary_channel_id, tx, funding_output) = create_funding_transaction(node_a, &node_b.node.get_our_node_id(), channel_value, 42);
assert_eq!(temporary_channel_id, expected_temporary_channel_id);
assert!(node_a.node.funding_transaction_generated(&temporary_channel_id, &node_b.node.get_our_node_id(), tx.clone()).is_ok());
check_added_monitors!(node_a, 0);
let funding_created_msg = get_event_msg!(node_a, MessageSendEvent::SendFundingCreated, node_b.node.get_our_node_id());
assert_eq!(funding_created_msg.temporary_channel_id, expected_temporary_channel_id);
node_b.node.handle_funding_created(&node_a.node.get_our_node_id(), &funding_created_msg);
{
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();
}
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.chain_monitor.added_monitors.lock().unwrap();
assert_eq!(added_monitors.len(), 1);
assert_eq!(added_monitors[0].0, funding_output);
added_monitors.clear();
}
let events_4 = node_a.node.get_and_clear_pending_events();
assert_eq!(events_4.len(), 0);
assert_eq!(node_a.tx_broadcaster.txn_broadcasted.lock().unwrap().len(), 1);
assert_eq!(node_a.tx_broadcaster.txn_broadcasted.lock().unwrap()[0], tx);
node_a.tx_broadcaster.txn_broadcasted.lock().unwrap().clear();
assert!(node_a.node.funding_transaction_generated(&temporary_channel_id, &node_b.node.get_our_node_id(), tx.clone()).is_err());
assert!(node_a.node.get_and_clear_pending_msg_events().is_empty());
check_added_monitors!(node_a, 0);
tx
}
pub fn open_zero_conf_channel<'a, 'b, 'c, 'd>(initiator: &'a Node<'b, 'c, 'd>, receiver: &'a Node<'b, 'c, 'd>, initiator_config: Option<UserConfig>) -> (bitcoin::Transaction, [u8; 32]) {
let initiator_channels = initiator.node.list_usable_channels().len();
let receiver_channels = receiver.node.list_usable_channels().len();
initiator.node.create_channel(receiver.node.get_our_node_id(), 100_000, 10_001, 42, initiator_config).unwrap();
let open_channel = get_event_msg!(initiator, MessageSendEvent::SendOpenChannel, receiver.node.get_our_node_id());
receiver.node.handle_open_channel(&initiator.node.get_our_node_id(), channelmanager::provided_init_features(), &open_channel);
let events = receiver.node.get_and_clear_pending_events();
assert_eq!(events.len(), 1);
match events[0] {
Event::OpenChannelRequest { temporary_channel_id, .. } => {
receiver.node.accept_inbound_channel_from_trusted_peer_0conf(&temporary_channel_id, &initiator.node.get_our_node_id(), 0).unwrap();
},
_ => panic!("Unexpected event"),
};
let accept_channel = get_event_msg!(receiver, MessageSendEvent::SendAcceptChannel, initiator.node.get_our_node_id());
assert_eq!(accept_channel.minimum_depth, 0);
initiator.node.handle_accept_channel(&receiver.node.get_our_node_id(), channelmanager::provided_init_features(), &accept_channel);
let (temporary_channel_id, tx, _) = create_funding_transaction(&initiator, &receiver.node.get_our_node_id(), 100_000, 42);
initiator.node.funding_transaction_generated(&temporary_channel_id, &receiver.node.get_our_node_id(), tx.clone()).unwrap();
let funding_created = get_event_msg!(initiator, MessageSendEvent::SendFundingCreated, receiver.node.get_our_node_id());
receiver.node.handle_funding_created(&initiator.node.get_our_node_id(), &funding_created);
check_added_monitors!(receiver, 1);
let bs_signed_locked = receiver.node.get_and_clear_pending_msg_events();
assert_eq!(bs_signed_locked.len(), 2);
let as_channel_ready;
match &bs_signed_locked[0] {
MessageSendEvent::SendFundingSigned { node_id, msg } => {
assert_eq!(*node_id, initiator.node.get_our_node_id());
initiator.node.handle_funding_signed(&receiver.node.get_our_node_id(), &msg);
check_added_monitors!(initiator, 1);
assert_eq!(initiator.tx_broadcaster.txn_broadcasted.lock().unwrap().len(), 1);
assert_eq!(initiator.tx_broadcaster.txn_broadcasted.lock().unwrap().split_off(0)[0], tx);
as_channel_ready = get_event_msg!(initiator, MessageSendEvent::SendChannelReady, receiver.node.get_our_node_id());
}
_ => panic!("Unexpected event"),
}
match &bs_signed_locked[1] {
MessageSendEvent::SendChannelReady { node_id, msg } => {
assert_eq!(*node_id, initiator.node.get_our_node_id());
initiator.node.handle_channel_ready(&receiver.node.get_our_node_id(), &msg);
}
_ => panic!("Unexpected event"),
}
receiver.node.handle_channel_ready(&initiator.node.get_our_node_id(), &as_channel_ready);
let as_channel_update = get_event_msg!(initiator, MessageSendEvent::SendChannelUpdate, receiver.node.get_our_node_id());
let bs_channel_update = get_event_msg!(receiver, MessageSendEvent::SendChannelUpdate, initiator.node.get_our_node_id());
initiator.node.handle_channel_update(&receiver.node.get_our_node_id(), &bs_channel_update);
receiver.node.handle_channel_update(&initiator.node.get_our_node_id(), &as_channel_update);
assert_eq!(initiator.node.list_usable_channels().len(), initiator_channels + 1);
assert_eq!(receiver.node.list_usable_channels().len(), receiver_channels + 1);
expect_channel_ready_event(&initiator, &receiver.node.get_our_node_id());
expect_channel_ready_event(&receiver, &initiator.node.get_our_node_id());
(tx, as_channel_ready.channel_id)
}
pub fn create_chan_between_nodes_with_value_init<'a, 'b, 'c>(node_a: &Node<'a, 'b, 'c>, node_b: &Node<'a, 'b, 'c>, channel_value: u64, push_msat: u64, a_flags: InitFeatures, b_flags: InitFeatures) -> Transaction {
let create_chan_id = node_a.node.create_channel(node_b.node.get_our_node_id(), channel_value, push_msat, 42, None).unwrap();
let open_channel_msg = get_event_msg!(node_a, MessageSendEvent::SendOpenChannel, node_b.node.get_our_node_id());
assert_eq!(open_channel_msg.temporary_channel_id, create_chan_id);
assert_eq!(node_a.node.list_channels().iter().find(|channel| channel.channel_id == create_chan_id).unwrap().user_channel_id, 42);
node_b.node.handle_open_channel(&node_a.node.get_our_node_id(), a_flags, &open_channel_msg);
let accept_channel_msg = get_event_msg!(node_b, MessageSendEvent::SendAcceptChannel, node_a.node.get_our_node_id());
assert_eq!(accept_channel_msg.temporary_channel_id, create_chan_id);
node_a.node.handle_accept_channel(&node_b.node.get_our_node_id(), b_flags, &accept_channel_msg);
assert_ne!(node_b.node.list_channels().iter().find(|channel| channel.channel_id == create_chan_id).unwrap().user_channel_id, 0);
sign_funding_transaction(node_a, node_b, channel_value, create_chan_id)
}
pub fn create_chan_between_nodes_with_value_confirm_first<'a, 'b, 'c, 'd>(node_recv: &'a Node<'b, 'c, 'c>, node_conf: &'a Node<'b, 'c, 'd>, tx: &Transaction, conf_height: u32) {
confirm_transaction_at(node_conf, tx, conf_height);
connect_blocks(node_conf, CHAN_CONFIRM_DEPTH - 1);
node_recv.node.handle_channel_ready(&node_conf.node.get_our_node_id(), &get_event_msg!(node_conf, MessageSendEvent::SendChannelReady, node_recv.node.get_our_node_id()));
}
pub fn create_chan_between_nodes_with_value_confirm_second<'a, 'b, 'c>(node_recv: &Node<'a, 'b, 'c>, node_conf: &Node<'a, 'b, 'c>) -> ((msgs::ChannelReady, msgs::AnnouncementSignatures), [u8; 32]) {
let channel_id;
let events_6 = node_conf.node.get_and_clear_pending_msg_events();
assert_eq!(events_6.len(), 3);
let announcement_sigs_idx = if let MessageSendEvent::SendChannelUpdate { ref node_id, msg: _ } = events_6[1] {
assert_eq!(*node_id, node_recv.node.get_our_node_id());
2
} else if let MessageSendEvent::SendChannelUpdate { ref node_id, msg: _ } = events_6[2] {
assert_eq!(*node_id, node_recv.node.get_our_node_id());
1
} else { panic!("Unexpected event: {:?}", events_6[1]); };
((match events_6[0] {
MessageSendEvent::SendChannelReady { ref node_id, ref msg } => {
channel_id = msg.channel_id.clone();
assert_eq!(*node_id, node_recv.node.get_our_node_id());
msg.clone()
},
_ => panic!("Unexpected event"),
}, match events_6[announcement_sigs_idx] {
MessageSendEvent::SendAnnouncementSignatures { ref node_id, ref msg } => {
assert_eq!(*node_id, node_recv.node.get_our_node_id());
msg.clone()
},
_ => panic!("Unexpected event"),
}), channel_id)
}
pub fn create_chan_between_nodes_with_value_confirm<'a, 'b, 'c, 'd>(node_a: &'a Node<'b, 'c, 'd>, node_b: &'a Node<'b, 'c, 'd>, tx: &Transaction) -> ((msgs::ChannelReady, msgs::AnnouncementSignatures), [u8; 32]) {
let conf_height = core::cmp::max(node_a.best_block_info().1 + 1, node_b.best_block_info().1 + 1);
create_chan_between_nodes_with_value_confirm_first(node_a, node_b, tx, conf_height);
confirm_transaction_at(node_a, tx, conf_height);
connect_blocks(node_a, CHAN_CONFIRM_DEPTH - 1);
expect_channel_ready_event(&node_a, &node_b.node.get_our_node_id());
create_chan_between_nodes_with_value_confirm_second(node_b, node_a)
}
pub fn create_chan_between_nodes_with_value_a<'a, 'b, 'c, 'd>(node_a: &'a Node<'b, 'c, 'd>, node_b: &'a Node<'b, 'c, 'd>, channel_value: u64, push_msat: u64, a_flags: InitFeatures, b_flags: InitFeatures) -> ((msgs::ChannelReady, msgs::AnnouncementSignatures), [u8; 32], Transaction) {
let tx = create_chan_between_nodes_with_value_init(node_a, node_b, channel_value, push_msat, a_flags, b_flags);
let (msgs, chan_id) = create_chan_between_nodes_with_value_confirm(node_a, node_b, &tx);
(msgs, chan_id, tx)
}
pub fn create_chan_between_nodes_with_value_b<'a, 'b, 'c>(node_a: &Node<'a, 'b, 'c>, node_b: &Node<'a, 'b, 'c>, as_funding_msgs: &(msgs::ChannelReady, msgs::AnnouncementSignatures)) -> (msgs::ChannelAnnouncement, msgs::ChannelUpdate, msgs::ChannelUpdate) {
node_b.node.handle_channel_ready(&node_a.node.get_our_node_id(), &as_funding_msgs.0);
let bs_announcement_sigs = get_event_msg!(node_b, MessageSendEvent::SendAnnouncementSignatures, node_a.node.get_our_node_id());
node_b.node.handle_announcement_signatures(&node_a.node.get_our_node_id(), &as_funding_msgs.1);
let events_7 = node_b.node.get_and_clear_pending_msg_events();
assert_eq!(events_7.len(), 1);
let (announcement, bs_update) = match events_7[0] {
MessageSendEvent::BroadcastChannelAnnouncement { ref msg, ref update_msg } => {
(msg, update_msg)
},
_ => panic!("Unexpected event"),
};
node_a.node.handle_announcement_signatures(&node_b.node.get_our_node_id(), &bs_announcement_sigs);
let events_8 = node_a.node.get_and_clear_pending_msg_events();
assert_eq!(events_8.len(), 1);
let as_update = match events_8[0] {
MessageSendEvent::BroadcastChannelAnnouncement { ref msg, ref update_msg } => {
assert!(*announcement == *msg);
assert_eq!(update_msg.contents.short_channel_id, announcement.contents.short_channel_id);
assert_eq!(update_msg.contents.short_channel_id, bs_update.contents.short_channel_id);
update_msg
},
_ => panic!("Unexpected event"),
};
*node_a.network_chan_count.borrow_mut() += 1;
expect_channel_ready_event(&node_b, &node_a.node.get_our_node_id());
((*announcement).clone(), (*as_update).clone(), (*bs_update).clone())
}
pub fn create_announced_chan_between_nodes<'a, 'b, 'c, 'd>(nodes: &'a Vec<Node<'b, 'c, 'd>>, a: usize, b: usize, a_flags: InitFeatures, b_flags: InitFeatures) -> (msgs::ChannelUpdate, msgs::ChannelUpdate, [u8; 32], Transaction) {
create_announced_chan_between_nodes_with_value(nodes, a, b, 100000, 10001, a_flags, b_flags)
}
pub fn create_announced_chan_between_nodes_with_value<'a, 'b, 'c, 'd>(nodes: &'a Vec<Node<'b, 'c, 'd>>, a: usize, b: usize, channel_value: u64, push_msat: u64, a_flags: InitFeatures, b_flags: InitFeatures) -> (msgs::ChannelUpdate, msgs::ChannelUpdate, [u8; 32], Transaction) {
let chan_announcement = create_chan_between_nodes_with_value(&nodes[a], &nodes[b], channel_value, push_msat, a_flags, b_flags);
update_nodes_with_chan_announce(nodes, a, b, &chan_announcement.0, &chan_announcement.1, &chan_announcement.2);
(chan_announcement.1, chan_announcement.2, chan_announcement.3, chan_announcement.4)
}
pub fn create_unannounced_chan_between_nodes_with_value<'a, 'b, 'c, 'd>(nodes: &'a Vec<Node<'b, 'c, 'd>>, a: usize, b: usize, channel_value: u64, push_msat: u64, a_flags: InitFeatures, b_flags: InitFeatures) -> (msgs::ChannelReady, Transaction) {
let mut no_announce_cfg = test_default_channel_config();
no_announce_cfg.channel_handshake_config.announced_channel = false;
nodes[a].node.create_channel(nodes[b].node.get_our_node_id(), channel_value, push_msat, 42, Some(no_announce_cfg)).unwrap();
let open_channel = get_event_msg!(nodes[a], MessageSendEvent::SendOpenChannel, nodes[b].node.get_our_node_id());
nodes[b].node.handle_open_channel(&nodes[a].node.get_our_node_id(), a_flags, &open_channel);
let accept_channel = get_event_msg!(nodes[b], MessageSendEvent::SendAcceptChannel, nodes[a].node.get_our_node_id());
nodes[a].node.handle_accept_channel(&nodes[b].node.get_our_node_id(), b_flags, &accept_channel);
let (temporary_channel_id, tx, _) = create_funding_transaction(&nodes[a], &nodes[b].node.get_our_node_id(), channel_value, 42);
nodes[a].node.funding_transaction_generated(&temporary_channel_id, &nodes[b].node.get_our_node_id(), tx.clone()).unwrap();
nodes[b].node.handle_funding_created(&nodes[a].node.get_our_node_id(), &get_event_msg!(nodes[a], MessageSendEvent::SendFundingCreated, nodes[b].node.get_our_node_id()));
check_added_monitors!(nodes[b], 1);
let cs_funding_signed = get_event_msg!(nodes[b], MessageSendEvent::SendFundingSigned, nodes[a].node.get_our_node_id());
nodes[a].node.handle_funding_signed(&nodes[b].node.get_our_node_id(), &cs_funding_signed);
check_added_monitors!(nodes[a], 1);
let conf_height = core::cmp::max(nodes[a].best_block_info().1 + 1, nodes[b].best_block_info().1 + 1);
confirm_transaction_at(&nodes[a], &tx, conf_height);
connect_blocks(&nodes[a], CHAN_CONFIRM_DEPTH - 1);
confirm_transaction_at(&nodes[b], &tx, conf_height);
connect_blocks(&nodes[b], CHAN_CONFIRM_DEPTH - 1);
let as_channel_ready = get_event_msg!(nodes[a], MessageSendEvent::SendChannelReady, nodes[b].node.get_our_node_id());
nodes[a].node.handle_channel_ready(&nodes[b].node.get_our_node_id(), &get_event_msg!(nodes[b], MessageSendEvent::SendChannelReady, nodes[a].node.get_our_node_id()));
expect_channel_ready_event(&nodes[a], &nodes[b].node.get_our_node_id());
let as_update = get_event_msg!(nodes[a], MessageSendEvent::SendChannelUpdate, nodes[b].node.get_our_node_id());
nodes[b].node.handle_channel_ready(&nodes[a].node.get_our_node_id(), &as_channel_ready);
expect_channel_ready_event(&nodes[b], &nodes[a].node.get_our_node_id());
let bs_update = get_event_msg!(nodes[b], MessageSendEvent::SendChannelUpdate, nodes[a].node.get_our_node_id());
nodes[a].node.handle_channel_update(&nodes[b].node.get_our_node_id(), &bs_update);
nodes[b].node.handle_channel_update(&nodes[a].node.get_our_node_id(), &as_update);
let mut found_a = false;
for chan in nodes[a].node.list_usable_channels() {
if chan.channel_id == as_channel_ready.channel_id {
assert!(!found_a);
found_a = true;
assert!(!chan.is_public);
}
}
assert!(found_a);
let mut found_b = false;
for chan in nodes[b].node.list_usable_channels() {
if chan.channel_id == as_channel_ready.channel_id {
assert!(!found_b);
found_b = true;
assert!(!chan.is_public);
}
}
assert!(found_b);
(as_channel_ready, tx)
}
pub fn update_nodes_with_chan_announce<'a, 'b, 'c, 'd>(nodes: &'a Vec<Node<'b, 'c, 'd>>, a: usize, b: usize, ann: &msgs::ChannelAnnouncement, upd_1: &msgs::ChannelUpdate, upd_2: &msgs::ChannelUpdate) {
for node in nodes {
assert!(node.gossip_sync.handle_channel_announcement(ann).unwrap());
node.gossip_sync.handle_channel_update(upd_1).unwrap();
node.gossip_sync.handle_channel_update(upd_2).unwrap();
node.node.handle_channel_update(&nodes[a].node.get_our_node_id(), &upd_1);
node.node.handle_channel_update(&nodes[b].node.get_our_node_id(), &upd_2);
}
}
#[macro_export]
macro_rules! check_spends {
($tx: expr, $($spends_txn: expr),*) => {
{
$(
for outp in $spends_txn.output.iter() {
assert!(outp.value >= outp.script_pubkey.dust_value().to_sat(), "Input tx output didn't meet dust limit");
}
)*
for outp in $tx.output.iter() {
assert!(outp.value >= outp.script_pubkey.dust_value().to_sat(), "Spending tx output didn't meet dust limit");
}
let get_output = |out_point: &bitcoin::blockdata::transaction::OutPoint| {
$(
if out_point.txid == $spends_txn.txid() {
return $spends_txn.output.get(out_point.vout as usize).cloned()
}
)*
None
};
let mut total_value_in = 0;
for input in $tx.input.iter() {
total_value_in += get_output(&input.previous_output).unwrap().value;
}
let mut total_value_out = 0;
for output in $tx.output.iter() {
total_value_out += output.value;
}
let min_fee = ($tx.weight() as u64 + 3) / 4; assert!(total_value_out + min_fee <= total_value_in);
$tx.verify(get_output).unwrap();
}
}
}
macro_rules! get_closing_signed_broadcast {
($node: expr, $dest_pubkey: expr) => {
{
let events = $node.get_and_clear_pending_msg_events();
assert!(events.len() == 1 || events.len() == 2);
(match events[events.len() - 1] {
MessageSendEvent::BroadcastChannelUpdate { ref msg } => {
assert_eq!(msg.contents.flags & 2, 2);
msg.clone()
},
_ => panic!("Unexpected event"),
}, if events.len() == 2 {
match events[0] {
MessageSendEvent::SendClosingSigned { ref node_id, ref msg } => {
assert_eq!(*node_id, $dest_pubkey);
Some(msg.clone())
},
_ => panic!("Unexpected event"),
}
} else { None })
}
}
}
#[cfg(test)]
macro_rules! check_warn_msg {
($node: expr, $recipient_node_id: expr, $chan_id: expr) => {{
let msg_events = $node.node.get_and_clear_pending_msg_events();
assert_eq!(msg_events.len(), 1);
match msg_events[0] {
MessageSendEvent::HandleError { action: ErrorAction::SendWarningMessage { ref msg, log_level: _ }, node_id } => {
assert_eq!(node_id, $recipient_node_id);
assert_eq!(msg.channel_id, $chan_id);
msg.data.clone()
},
_ => panic!("Unexpected event"),
}
}}
}
#[macro_export]
macro_rules! check_closed_broadcast {
($node: expr, $with_error_msg: expr) => {{
use $crate::util::events::MessageSendEvent;
use $crate::ln::msgs::ErrorAction;
let msg_events = $node.node.get_and_clear_pending_msg_events();
assert_eq!(msg_events.len(), if $with_error_msg { 2 } else { 1 });
match msg_events[0] {
MessageSendEvent::BroadcastChannelUpdate { ref msg } => {
assert_eq!(msg.contents.flags & 2, 2);
},
_ => panic!("Unexpected event"),
}
if $with_error_msg {
match msg_events[1] {
MessageSendEvent::HandleError { action: ErrorAction::SendErrorMessage { ref msg }, node_id: _ } => {
Some(msg.clone())
},
_ => panic!("Unexpected event"),
}
} else { None }
}}
}
#[macro_export]
macro_rules! check_closed_event {
($node: expr, $events: expr, $reason: expr) => {
check_closed_event!($node, $events, $reason, false);
};
($node: expr, $events: expr, $reason: expr, $is_check_discard_funding: expr) => {{
use $crate::util::events::Event;
let events = $node.node.get_and_clear_pending_events();
assert_eq!(events.len(), $events, "{:?}", events);
let expected_reason = $reason;
let mut issues_discard_funding = false;
for event in events {
match event {
Event::ChannelClosed { ref reason, .. } => {
assert_eq!(*reason, expected_reason);
},
Event::DiscardFunding { .. } => {
issues_discard_funding = true;
}
_ => panic!("Unexpected event"),
}
}
assert_eq!($is_check_discard_funding, issues_discard_funding);
}}
}
pub fn close_channel<'a, 'b, 'c>(outbound_node: &Node<'a, 'b, 'c>, inbound_node: &Node<'a, 'b, 'c>, channel_id: &[u8; 32], funding_tx: Transaction, close_inbound_first: bool) -> (msgs::ChannelUpdate, msgs::ChannelUpdate, Transaction) {
let (node_a, broadcaster_a, struct_a) = if close_inbound_first { (&inbound_node.node, &inbound_node.tx_broadcaster, inbound_node) } else { (&outbound_node.node, &outbound_node.tx_broadcaster, outbound_node) };
let (node_b, broadcaster_b, struct_b) = if close_inbound_first { (&outbound_node.node, &outbound_node.tx_broadcaster, outbound_node) } else { (&inbound_node.node, &inbound_node.tx_broadcaster, inbound_node) };
let (tx_a, tx_b);
node_a.close_channel(channel_id, &node_b.get_our_node_id()).unwrap();
node_b.handle_shutdown(&node_a.get_our_node_id(), &channelmanager::provided_init_features(), &get_event_msg!(struct_a, MessageSendEvent::SendShutdown, node_b.get_our_node_id()));
let events_1 = node_b.get_and_clear_pending_msg_events();
assert!(events_1.len() >= 1);
let shutdown_b = match events_1[0] {
MessageSendEvent::SendShutdown { ref node_id, ref msg } => {
assert_eq!(node_id, &node_a.get_our_node_id());
msg.clone()
},
_ => panic!("Unexpected event"),
};
let closing_signed_b = if !close_inbound_first {
assert_eq!(events_1.len(), 1);
None
} else {
Some(match events_1[1] {
MessageSendEvent::SendClosingSigned { ref node_id, ref msg } => {
assert_eq!(node_id, &node_a.get_our_node_id());
msg.clone()
},
_ => panic!("Unexpected event"),
})
};
node_a.handle_shutdown(&node_b.get_our_node_id(), &channelmanager::provided_init_features(), &shutdown_b);
let (as_update, bs_update) = if close_inbound_first {
assert!(node_a.get_and_clear_pending_msg_events().is_empty());
node_a.handle_closing_signed(&node_b.get_our_node_id(), &closing_signed_b.unwrap());
node_b.handle_closing_signed(&node_a.get_our_node_id(), &get_event_msg!(struct_a, MessageSendEvent::SendClosingSigned, node_b.get_our_node_id()));
assert_eq!(broadcaster_b.txn_broadcasted.lock().unwrap().len(), 1);
tx_b = broadcaster_b.txn_broadcasted.lock().unwrap().remove(0);
let (bs_update, closing_signed_b) = get_closing_signed_broadcast!(node_b, node_a.get_our_node_id());
node_a.handle_closing_signed(&node_b.get_our_node_id(), &closing_signed_b.unwrap());
let (as_update, none_a) = get_closing_signed_broadcast!(node_a, node_b.get_our_node_id());
assert!(none_a.is_none());
assert_eq!(broadcaster_a.txn_broadcasted.lock().unwrap().len(), 1);
tx_a = broadcaster_a.txn_broadcasted.lock().unwrap().remove(0);
(as_update, bs_update)
} else {
let closing_signed_a = get_event_msg!(struct_a, MessageSendEvent::SendClosingSigned, node_b.get_our_node_id());
node_b.handle_closing_signed(&node_a.get_our_node_id(), &closing_signed_a);
node_a.handle_closing_signed(&node_b.get_our_node_id(), &get_event_msg!(struct_b, MessageSendEvent::SendClosingSigned, node_a.get_our_node_id()));
assert_eq!(broadcaster_a.txn_broadcasted.lock().unwrap().len(), 1);
tx_a = broadcaster_a.txn_broadcasted.lock().unwrap().remove(0);
let (as_update, closing_signed_a) = get_closing_signed_broadcast!(node_a, node_b.get_our_node_id());
node_b.handle_closing_signed(&node_a.get_our_node_id(), &closing_signed_a.unwrap());
let (bs_update, none_b) = get_closing_signed_broadcast!(node_b, node_a.get_our_node_id());
assert!(none_b.is_none());
assert_eq!(broadcaster_b.txn_broadcasted.lock().unwrap().len(), 1);
tx_b = broadcaster_b.txn_broadcasted.lock().unwrap().remove(0);
(as_update, bs_update)
};
assert_eq!(tx_a, tx_b);
check_spends!(tx_a, funding_tx);
(as_update, bs_update, tx_a)
}
pub struct SendEvent {
pub node_id: PublicKey,
pub msgs: Vec<msgs::UpdateAddHTLC>,
pub commitment_msg: msgs::CommitmentSigned,
}
impl SendEvent {
pub fn from_commitment_update(node_id: PublicKey, updates: msgs::CommitmentUpdate) -> SendEvent {
assert!(updates.update_fulfill_htlcs.is_empty());
assert!(updates.update_fail_htlcs.is_empty());
assert!(updates.update_fail_malformed_htlcs.is_empty());
assert!(updates.update_fee.is_none());
SendEvent { node_id, msgs: updates.update_add_htlcs, commitment_msg: updates.commitment_signed }
}
pub fn from_event(event: MessageSendEvent) -> SendEvent {
match event {
MessageSendEvent::UpdateHTLCs { node_id, updates } => SendEvent::from_commitment_update(node_id, updates),
_ => panic!("Unexpected event type!"),
}
}
pub fn from_node<'a, 'b, 'c>(node: &Node<'a, 'b, 'c>) -> SendEvent {
let mut events = node.node.get_and_clear_pending_msg_events();
assert_eq!(events.len(), 1);
SendEvent::from_event(events.pop().unwrap())
}
}
#[macro_export]
macro_rules! commitment_signed_dance {
($node_a: expr, $node_b: expr, $commitment_signed: expr, $fail_backwards: expr, true /* skip last step */) => {
{
check_added_monitors!($node_a, 0);
assert!($node_a.node.get_and_clear_pending_msg_events().is_empty());
$node_a.node.handle_commitment_signed(&$node_b.node.get_our_node_id(), &$commitment_signed);
check_added_monitors!($node_a, 1);
commitment_signed_dance!($node_a, $node_b, (), $fail_backwards, true, false);
}
};
($node_a: expr, $node_b: expr, (), $fail_backwards: expr, true , true , true ) => {
{
let (as_revoke_and_ack, as_commitment_signed) = get_revoke_commit_msgs!($node_a, $node_b.node.get_our_node_id());
check_added_monitors!($node_b, 0);
assert!($node_b.node.get_and_clear_pending_msg_events().is_empty());
$node_b.node.handle_revoke_and_ack(&$node_a.node.get_our_node_id(), &as_revoke_and_ack);
assert!($node_b.node.get_and_clear_pending_msg_events().is_empty());
check_added_monitors!($node_b, 1);
$node_b.node.handle_commitment_signed(&$node_a.node.get_our_node_id(), &as_commitment_signed);
let (bs_revoke_and_ack, extra_msg_option) = {
let events = $node_b.node.get_and_clear_pending_msg_events();
assert!(events.len() <= 2);
(match events[0] {
MessageSendEvent::SendRevokeAndACK { ref node_id, ref msg } => {
assert_eq!(*node_id, $node_a.node.get_our_node_id());
(*msg).clone()
},
_ => panic!("Unexpected event"),
}, events.get(1).map(|e| e.clone()))
};
check_added_monitors!($node_b, 1);
if $fail_backwards {
assert!($node_a.node.get_and_clear_pending_events().is_empty());
assert!($node_a.node.get_and_clear_pending_msg_events().is_empty());
}
(extra_msg_option, bs_revoke_and_ack)
}
};
($node_a: expr, $node_b: expr, $commitment_signed: expr, $fail_backwards: expr, true , false , true ) => {
{
check_added_monitors!($node_a, 0);
assert!($node_a.node.get_and_clear_pending_msg_events().is_empty());
$node_a.node.handle_commitment_signed(&$node_b.node.get_our_node_id(), &$commitment_signed);
check_added_monitors!($node_a, 1);
let (extra_msg_option, bs_revoke_and_ack) = commitment_signed_dance!($node_a, $node_b, (), $fail_backwards, true, true, true);
assert!(extra_msg_option.is_none());
bs_revoke_and_ack
}
};
($node_a: expr, $node_b: expr, (), $fail_backwards: expr, true , true ) => {
{
let (extra_msg_option, bs_revoke_and_ack) = commitment_signed_dance!($node_a, $node_b, (), $fail_backwards, true, true, true);
$node_a.node.handle_revoke_and_ack(&$node_b.node.get_our_node_id(), &bs_revoke_and_ack);
check_added_monitors!($node_a, 1);
extra_msg_option
}
};
($node_a: expr, $node_b: expr, (), $fail_backwards: expr, true , false ) => {
{
assert!(commitment_signed_dance!($node_a, $node_b, (), $fail_backwards, true, true).is_none());
}
};
($node_a: expr, $node_b: expr, $commitment_signed: expr, $fail_backwards: expr) => {
{
commitment_signed_dance!($node_a, $node_b, $commitment_signed, $fail_backwards, true);
if $fail_backwards {
expect_pending_htlcs_forwardable_and_htlc_handling_failed!($node_a, vec![$crate::util::events::HTLCDestination::NextHopChannel{ node_id: Some($node_b.node.get_our_node_id()), channel_id: $commitment_signed.channel_id }]);
check_added_monitors!($node_a, 1);
let channel_state = $node_a.node.channel_state.lock().unwrap();
assert_eq!(channel_state.pending_msg_events.len(), 1);
if let MessageSendEvent::UpdateHTLCs { ref node_id, .. } = channel_state.pending_msg_events[0] {
assert_ne!(*node_id, $node_b.node.get_our_node_id());
} else { panic!("Unexpected event"); }
} else {
assert!($node_a.node.get_and_clear_pending_msg_events().is_empty());
}
}
}
}
#[macro_export]
macro_rules! get_payment_preimage_hash {
($dest_node: expr) => {
{
get_payment_preimage_hash!($dest_node, None)
}
};
($dest_node: expr, $min_value_msat: expr) => {
{
use bitcoin::hashes::Hash as _;
let mut payment_count = $dest_node.network_payment_count.borrow_mut();
let payment_preimage = $crate::ln::PaymentPreimage([*payment_count; 32]);
*payment_count += 1;
let payment_hash = $crate::ln::PaymentHash(
bitcoin::hashes::sha256::Hash::hash(&payment_preimage.0[..]).into_inner());
let payment_secret = $dest_node.node.create_inbound_payment_for_hash(payment_hash, $min_value_msat, 7200).unwrap();
(payment_preimage, payment_hash, payment_secret)
}
}
}
#[macro_export]
macro_rules! get_route {
($send_node: expr, $payment_params: expr, $recv_value: expr, $cltv: expr) => {{
use $crate::chain::keysinterface::KeysInterface;
let scorer = $crate::util::test_utils::TestScorer::with_penalty(0);
let keys_manager = $crate::util::test_utils::TestKeysInterface::new(&[0u8; 32], bitcoin::network::constants::Network::Testnet);
let random_seed_bytes = keys_manager.get_secure_random_bytes();
$crate::routing::router::get_route(
&$send_node.node.get_our_node_id(), &$payment_params, &$send_node.network_graph.read_only(),
Some(&$send_node.node.list_usable_channels().iter().collect::<Vec<_>>()),
$recv_value, $cltv, $send_node.logger, &scorer, &random_seed_bytes
)
}}
}
#[cfg(test)]
#[macro_export]
macro_rules! get_route_and_payment_hash {
($send_node: expr, $recv_node: expr, $recv_value: expr) => {{
let payment_params = $crate::routing::router::PaymentParameters::from_node_id($recv_node.node.get_our_node_id())
.with_features($crate::ln::channelmanager::provided_invoice_features());
$crate::get_route_and_payment_hash!($send_node, $recv_node, payment_params, $recv_value, TEST_FINAL_CLTV)
}};
($send_node: expr, $recv_node: expr, $payment_params: expr, $recv_value: expr, $cltv: expr) => {{
let (payment_preimage, payment_hash, payment_secret) = $crate::get_payment_preimage_hash!($recv_node, Some($recv_value));
let route = $crate::get_route!($send_node, $payment_params, $recv_value, $cltv);
(route.unwrap(), payment_hash, payment_preimage, payment_secret)
}}
}
#[macro_export]
macro_rules! expect_pending_htlcs_forwardable_conditions {
($node: expr, $expected_failures: expr) => {{
let expected_failures = $expected_failures;
let events = $node.node.get_and_clear_pending_events();
match events[0] {
$crate::util::events::Event::PendingHTLCsForwardable { .. } => { },
_ => panic!("Unexpected event {:?}", events),
};
let count = expected_failures.len() + 1;
assert_eq!(events.len(), count);
if expected_failures.len() > 0 {
expect_htlc_handling_failed_destinations!(events, expected_failures)
}
}}
}
#[macro_export]
macro_rules! expect_htlc_handling_failed_destinations {
($events: expr, $expected_failures: expr) => {{
for event in $events {
match event {
$crate::util::events::Event::PendingHTLCsForwardable { .. } => { },
$crate::util::events::Event::HTLCHandlingFailed { ref failed_next_destination, .. } => {
assert!($expected_failures.contains(&failed_next_destination))
},
_ => panic!("Unexpected destination"),
}
}
}}
}
#[macro_export]
macro_rules! expect_pending_htlcs_forwardable_ignore {
($node: expr) => {{
expect_pending_htlcs_forwardable_conditions!($node, vec![]);
}};
}
#[macro_export]
macro_rules! expect_pending_htlcs_forwardable_and_htlc_handling_failed_ignore {
($node: expr, $expected_failures: expr) => {{
expect_pending_htlcs_forwardable_conditions!($node, $expected_failures);
}};
}
#[macro_export]
macro_rules! expect_pending_htlcs_forwardable {
($node: expr) => {{
expect_pending_htlcs_forwardable_ignore!($node);
$node.node.process_pending_htlc_forwards();
$node.node.process_pending_htlc_forwards();
}};
}
#[macro_export]
macro_rules! expect_pending_htlcs_forwardable_and_htlc_handling_failed {
($node: expr, $expected_failures: expr) => {{
expect_pending_htlcs_forwardable_and_htlc_handling_failed_ignore!($node, $expected_failures);
$node.node.process_pending_htlc_forwards();
$node.node.process_pending_htlc_forwards();
}}
}
#[cfg(test)]
macro_rules! expect_pending_htlcs_forwardable_from_events {
($node: expr, $events: expr, $ignore: expr) => {{
assert_eq!($events.len(), 1);
match $events[0] {
Event::PendingHTLCsForwardable { .. } => { },
_ => panic!("Unexpected event"),
};
if $ignore {
$node.node.process_pending_htlc_forwards();
$node.node.process_pending_htlc_forwards();
}
}}
}
#[macro_export]
#[cfg(any(test, feature = "_bench_unstable", feature = "_test_utils"))]
macro_rules! expect_payment_claimable {
($node: expr, $expected_payment_hash: expr, $expected_payment_secret: expr, $expected_recv_value: expr) => {
expect_payment_claimable!($node, $expected_payment_hash, $expected_payment_secret, $expected_recv_value, None, $node.node.get_our_node_id())
};
($node: expr, $expected_payment_hash: expr, $expected_payment_secret: expr, $expected_recv_value: expr, $expected_payment_preimage: expr, $expected_receiver_node_id: expr) => {
let events = $node.node.get_and_clear_pending_events();
assert_eq!(events.len(), 1);
match events[0] {
$crate::util::events::Event::PaymentClaimable { ref payment_hash, ref purpose, amount_msat, receiver_node_id, via_channel_id: _, via_user_channel_id: _ } => {
assert_eq!($expected_payment_hash, *payment_hash);
assert_eq!($expected_recv_value, amount_msat);
assert_eq!($expected_receiver_node_id, receiver_node_id.unwrap());
match purpose {
$crate::util::events::PaymentPurpose::InvoicePayment { payment_preimage, payment_secret, .. } => {
assert_eq!(&$expected_payment_preimage, payment_preimage);
assert_eq!($expected_payment_secret, *payment_secret);
},
_ => {},
}
},
_ => panic!("Unexpected event"),
}
}
}
#[macro_export]
#[cfg(any(test, feature = "_bench_unstable", feature = "_test_utils"))]
macro_rules! expect_payment_claimed {
($node: expr, $expected_payment_hash: expr, $expected_recv_value: expr) => {
let events = $node.node.get_and_clear_pending_events();
assert_eq!(events.len(), 1);
match events[0] {
$crate::util::events::Event::PaymentClaimed { ref payment_hash, amount_msat, .. } => {
assert_eq!($expected_payment_hash, *payment_hash);
assert_eq!($expected_recv_value, amount_msat);
},
_ => panic!("Unexpected event"),
}
}
}
#[cfg(test)]
#[macro_export]
macro_rules! expect_payment_sent_without_paths {
($node: expr, $expected_payment_preimage: expr) => {
expect_payment_sent!($node, $expected_payment_preimage, None::<u64>, false);
};
($node: expr, $expected_payment_preimage: expr, $expected_fee_msat_opt: expr) => {
expect_payment_sent!($node, $expected_payment_preimage, $expected_fee_msat_opt, false);
}
}
#[macro_export]
macro_rules! expect_payment_sent {
($node: expr, $expected_payment_preimage: expr) => {
$crate::expect_payment_sent!($node, $expected_payment_preimage, None::<u64>, true);
};
($node: expr, $expected_payment_preimage: expr, $expected_fee_msat_opt: expr) => {
$crate::expect_payment_sent!($node, $expected_payment_preimage, $expected_fee_msat_opt, true);
};
($node: expr, $expected_payment_preimage: expr, $expected_fee_msat_opt: expr, $expect_paths: expr) => { {
use bitcoin::hashes::Hash as _;
let events = $node.node.get_and_clear_pending_events();
let expected_payment_hash = $crate::ln::PaymentHash(
bitcoin::hashes::sha256::Hash::hash(&$expected_payment_preimage.0).into_inner());
if $expect_paths {
assert!(events.len() > 1);
} else {
assert_eq!(events.len(), 1);
}
let expected_payment_id = match events[0] {
$crate::util::events::Event::PaymentSent { ref payment_id, ref payment_preimage, ref payment_hash, ref fee_paid_msat } => {
assert_eq!($expected_payment_preimage, *payment_preimage);
assert_eq!(expected_payment_hash, *payment_hash);
assert!(fee_paid_msat.is_some());
if $expected_fee_msat_opt.is_some() {
assert_eq!(*fee_paid_msat, $expected_fee_msat_opt);
}
payment_id.unwrap()
},
_ => panic!("Unexpected event"),
};
if $expect_paths {
for i in 1..events.len() {
match events[i] {
$crate::util::events::Event::PaymentPathSuccessful { payment_id, payment_hash, .. } => {
assert_eq!(payment_id, expected_payment_id);
assert_eq!(payment_hash, Some(expected_payment_hash));
},
_ => panic!("Unexpected event"),
}
}
}
} }
}
#[cfg(test)]
#[macro_export]
macro_rules! expect_payment_path_successful {
($node: expr) => {
let events = $node.node.get_and_clear_pending_events();
assert_eq!(events.len(), 1);
match events[0] {
$crate::util::events::Event::PaymentPathSuccessful { .. } => {},
_ => panic!("Unexpected event"),
}
}
}
macro_rules! expect_payment_forwarded {
($node: expr, $prev_node: expr, $next_node: expr, $expected_fee: expr, $upstream_force_closed: expr, $downstream_force_closed: expr) => {
let events = $node.node.get_and_clear_pending_events();
assert_eq!(events.len(), 1);
match events[0] {
Event::PaymentForwarded { fee_earned_msat, prev_channel_id, claim_from_onchain_tx, next_channel_id } => {
assert_eq!(fee_earned_msat, $expected_fee);
if fee_earned_msat.is_some() {
assert!($node.node.list_channels().iter().any(|x| x.counterparty.node_id == $prev_node.node.get_our_node_id() && x.channel_id == prev_channel_id.unwrap()));
}
if !$downstream_force_closed {
assert!($node.node.list_channels().iter().any(|x| x.counterparty.node_id == $next_node.node.get_our_node_id() && x.channel_id == next_channel_id.unwrap()));
}
assert_eq!(claim_from_onchain_tx, $downstream_force_closed);
},
_ => panic!("Unexpected event"),
}
}
}
#[cfg(any(test, feature = "_bench_unstable", feature = "_test_utils"))]
pub fn expect_channel_ready_event<'a, 'b, 'c, 'd>(node: &'a Node<'b, 'c, 'd>, expected_counterparty_node_id: &PublicKey) {
let events = node.node.get_and_clear_pending_events();
assert_eq!(events.len(), 1);
match events[0] {
crate::util::events::Event::ChannelReady{ ref counterparty_node_id, .. } => {
assert_eq!(*expected_counterparty_node_id, *counterparty_node_id);
},
_ => panic!("Unexpected event"),
}
}
pub struct PaymentFailedConditions<'a> {
pub(crate) expected_htlc_error_data: Option<(u16, &'a [u8])>,
pub(crate) expected_blamed_scid: Option<u64>,
pub(crate) expected_blamed_chan_closed: Option<bool>,
pub(crate) expected_mpp_parts_remain: bool,
}
impl<'a> PaymentFailedConditions<'a> {
pub fn new() -> Self {
Self {
expected_htlc_error_data: None,
expected_blamed_scid: None,
expected_blamed_chan_closed: None,
expected_mpp_parts_remain: false,
}
}
pub fn mpp_parts_remain(mut self) -> Self {
self.expected_mpp_parts_remain = true;
self
}
pub fn blamed_scid(mut self, scid: u64) -> Self {
self.expected_blamed_scid = Some(scid);
self
}
pub fn blamed_chan_closed(mut self, closed: bool) -> Self {
self.expected_blamed_chan_closed = Some(closed);
self
}
pub fn expected_htlc_error_data(mut self, code: u16, data: &'a [u8]) -> Self {
self.expected_htlc_error_data = Some((code, data));
self
}
}
#[cfg(test)]
macro_rules! expect_payment_failed_with_update {
($node: expr, $expected_payment_hash: expr, $payment_failed_permanently: expr, $scid: expr, $chan_closed: expr) => {
$crate::ln::functional_test_utils::expect_payment_failed_conditions(
&$node, $expected_payment_hash, $payment_failed_permanently,
$crate::ln::functional_test_utils::PaymentFailedConditions::new()
.blamed_scid($scid).blamed_chan_closed($chan_closed));
}
}
#[cfg(test)]
macro_rules! expect_payment_failed {
($node: expr, $expected_payment_hash: expr, $payment_failed_permanently: expr $(, $expected_error_code: expr, $expected_error_data: expr)*) => {
#[allow(unused_mut)]
let mut conditions = $crate::ln::functional_test_utils::PaymentFailedConditions::new();
$(
conditions = conditions.expected_htlc_error_data($expected_error_code, &$expected_error_data);
)*
$crate::ln::functional_test_utils::expect_payment_failed_conditions(&$node, $expected_payment_hash, $payment_failed_permanently, conditions);
};
}
pub fn expect_payment_failed_conditions_event<'a, 'b, 'c, 'd, 'e>(
node: &'a Node<'b, 'c, 'd>, payment_failed_event: Event, expected_payment_hash: PaymentHash,
expected_payment_failed_permanently: bool, conditions: PaymentFailedConditions<'e>
) {
let expected_payment_id = match payment_failed_event {
Event::PaymentPathFailed { payment_hash, payment_failed_permanently, path, retry, payment_id, network_update, short_channel_id,
#[cfg(test)]
error_code,
#[cfg(test)]
error_data, .. } => {
assert_eq!(payment_hash, expected_payment_hash, "unexpected payment_hash");
assert_eq!(payment_failed_permanently, expected_payment_failed_permanently, "unexpected payment_failed_permanently value");
assert!(retry.is_some(), "expected retry.is_some()");
assert_eq!(retry.as_ref().unwrap().final_value_msat, path.last().unwrap().fee_msat, "Retry amount should match last hop in path");
assert_eq!(retry.as_ref().unwrap().payment_params.payee_pubkey, path.last().unwrap().pubkey, "Retry payee node_id should match last hop in path");
if let Some(scid) = short_channel_id {
assert!(retry.as_ref().unwrap().payment_params.previously_failed_channels.contains(&scid));
}
#[cfg(test)]
{
assert!(error_code.is_some(), "expected error_code.is_some() = true");
assert!(error_data.is_some(), "expected error_data.is_some() = true");
if let Some((code, data)) = conditions.expected_htlc_error_data {
assert_eq!(error_code.unwrap(), code, "unexpected error code");
assert_eq!(&error_data.as_ref().unwrap()[..], data, "unexpected error data");
}
}
if let Some(chan_closed) = conditions.expected_blamed_chan_closed {
match network_update {
Some(NetworkUpdate::ChannelUpdateMessage { ref msg }) if !chan_closed => {
if let Some(scid) = conditions.expected_blamed_scid {
assert_eq!(msg.contents.short_channel_id, scid);
}
const CHAN_DISABLED_FLAG: u8 = 2;
assert_eq!(msg.contents.flags & CHAN_DISABLED_FLAG, 0);
},
Some(NetworkUpdate::ChannelFailure { short_channel_id, is_permanent }) if chan_closed => {
if let Some(scid) = conditions.expected_blamed_scid {
assert_eq!(short_channel_id, scid);
}
assert!(is_permanent);
},
Some(_) => panic!("Unexpected update type"),
None => panic!("Expected update"),
}
}
payment_id.unwrap()
},
_ => panic!("Unexpected event"),
};
if !conditions.expected_mpp_parts_remain {
node.node.abandon_payment(expected_payment_id);
let events = node.node.get_and_clear_pending_events();
assert_eq!(events.len(), 1);
match events[0] {
Event::PaymentFailed { ref payment_hash, ref payment_id } => {
assert_eq!(*payment_hash, expected_payment_hash, "unexpected second payment_hash");
assert_eq!(*payment_id, expected_payment_id);
}
_ => panic!("Unexpected second event"),
}
}
}
pub fn expect_payment_failed_conditions<'a, 'b, 'c, 'd, 'e>(
node: &'a Node<'b, 'c, 'd>, expected_payment_hash: PaymentHash, expected_payment_failed_permanently: bool,
conditions: PaymentFailedConditions<'e>
) {
let mut events = node.node.get_and_clear_pending_events();
assert_eq!(events.len(), 1);
expect_payment_failed_conditions_event(node, events.pop().unwrap(), expected_payment_hash, expected_payment_failed_permanently, conditions);
}
pub fn send_along_route_with_secret<'a, 'b, 'c>(origin_node: &Node<'a, 'b, 'c>, route: Route, expected_paths: &[&[&Node<'a, 'b, 'c>]], recv_value: u64, our_payment_hash: PaymentHash, our_payment_secret: PaymentSecret) -> PaymentId {
let payment_id = PaymentId(origin_node.keys_manager.backing.get_secure_random_bytes());
origin_node.node.send_payment(&route, our_payment_hash, &Some(our_payment_secret), payment_id).unwrap();
check_added_monitors!(origin_node, expected_paths.len());
pass_along_route(origin_node, expected_paths, recv_value, our_payment_hash, our_payment_secret);
payment_id
}
pub fn do_pass_along_path<'a, 'b, 'c>(origin_node: &Node<'a, 'b, 'c>, expected_path: &[&Node<'a, 'b, 'c>], recv_value: u64, our_payment_hash: PaymentHash, our_payment_secret: Option<PaymentSecret>, ev: MessageSendEvent, payment_claimable_expected: bool, clear_recipient_events: bool, expected_preimage: Option<PaymentPreimage>) {
let mut payment_event = SendEvent::from_event(ev);
let mut prev_node = origin_node;
for (idx, &node) in expected_path.iter().enumerate() {
assert_eq!(node.node.get_our_node_id(), payment_event.node_id);
node.node.handle_update_add_htlc(&prev_node.node.get_our_node_id(), &payment_event.msgs[0]);
check_added_monitors!(node, 0);
commitment_signed_dance!(node, prev_node, payment_event.commitment_msg, false);
expect_pending_htlcs_forwardable!(node);
if idx == expected_path.len() - 1 && clear_recipient_events {
let events_2 = node.node.get_and_clear_pending_events();
if payment_claimable_expected {
assert_eq!(events_2.len(), 1);
match events_2[0] {
Event::PaymentClaimable { ref payment_hash, ref purpose, amount_msat, receiver_node_id, ref via_channel_id, ref via_user_channel_id } => {
assert_eq!(our_payment_hash, *payment_hash);
assert_eq!(node.node.get_our_node_id(), receiver_node_id.unwrap());
match &purpose {
PaymentPurpose::InvoicePayment { payment_preimage, payment_secret, .. } => {
assert_eq!(expected_preimage, *payment_preimage);
assert_eq!(our_payment_secret.unwrap(), *payment_secret);
},
PaymentPurpose::SpontaneousPayment(payment_preimage) => {
assert_eq!(expected_preimage.unwrap(), *payment_preimage);
assert!(our_payment_secret.is_none());
},
}
assert_eq!(amount_msat, recv_value);
assert!(node.node.list_channels().iter().any(|details| details.channel_id == via_channel_id.unwrap()));
assert!(node.node.list_channels().iter().any(|details| details.user_channel_id == via_user_channel_id.unwrap()));
},
_ => panic!("Unexpected event"),
}
} else {
assert!(events_2.is_empty());
}
} else if idx != expected_path.len() - 1 {
let mut events_2 = node.node.get_and_clear_pending_msg_events();
assert_eq!(events_2.len(), 1);
check_added_monitors!(node, 1);
payment_event = SendEvent::from_event(events_2.remove(0));
assert_eq!(payment_event.msgs.len(), 1);
}
prev_node = node;
}
}
pub fn pass_along_path<'a, 'b, 'c>(origin_node: &Node<'a, 'b, 'c>, expected_path: &[&Node<'a, 'b, 'c>], recv_value: u64, our_payment_hash: PaymentHash, our_payment_secret: Option<PaymentSecret>, ev: MessageSendEvent, payment_claimable_expected: bool, expected_preimage: Option<PaymentPreimage>) {
do_pass_along_path(origin_node, expected_path, recv_value, our_payment_hash, our_payment_secret, ev, payment_claimable_expected, true, expected_preimage);
}
pub fn pass_along_route<'a, 'b, 'c>(origin_node: &Node<'a, 'b, 'c>, expected_route: &[&[&Node<'a, 'b, 'c>]], recv_value: u64, our_payment_hash: PaymentHash, our_payment_secret: PaymentSecret) {
let mut events = origin_node.node.get_and_clear_pending_msg_events();
assert_eq!(events.len(), expected_route.len());
for (path_idx, (ev, expected_path)) in events.drain(..).zip(expected_route.iter()).enumerate() {
let expect_payment = path_idx == expected_route.len() - 1;
pass_along_path(origin_node, expected_path, recv_value, our_payment_hash.clone(), Some(our_payment_secret), ev, expect_payment, None);
}
}
pub fn send_along_route<'a, 'b, 'c>(origin_node: &Node<'a, 'b, 'c>, route: Route, expected_route: &[&Node<'a, 'b, 'c>], recv_value: u64) -> (PaymentPreimage, PaymentHash, PaymentSecret, PaymentId) {
let (our_payment_preimage, our_payment_hash, our_payment_secret) = get_payment_preimage_hash!(expected_route.last().unwrap());
let payment_id = send_along_route_with_secret(origin_node, route, &[expected_route], recv_value, our_payment_hash, our_payment_secret);
(our_payment_preimage, our_payment_hash, our_payment_secret, payment_id)
}
pub fn do_claim_payment_along_route<'a, 'b, 'c>(origin_node: &Node<'a, 'b, 'c>, expected_paths: &[&[&Node<'a, 'b, 'c>]], skip_last: bool, our_payment_preimage: PaymentPreimage) -> u64 {
for path in expected_paths.iter() {
assert_eq!(path.last().unwrap().node.get_our_node_id(), expected_paths[0].last().unwrap().node.get_our_node_id());
}
expected_paths[0].last().unwrap().node.claim_funds(our_payment_preimage);
let claim_event = expected_paths[0].last().unwrap().node.get_and_clear_pending_events();
assert_eq!(claim_event.len(), 1);
match claim_event[0] {
Event::PaymentClaimed { purpose: PaymentPurpose::SpontaneousPayment(preimage), .. }|
Event::PaymentClaimed { purpose: PaymentPurpose::InvoicePayment { payment_preimage: Some(preimage), ..}, .. } =>
assert_eq!(preimage, our_payment_preimage),
Event::PaymentClaimed { purpose: PaymentPurpose::InvoicePayment { .. }, payment_hash, .. } =>
assert_eq!(&payment_hash.0, &Sha256::hash(&our_payment_preimage.0)[..]),
_ => panic!(),
}
check_added_monitors!(expected_paths[0].last().unwrap(), expected_paths.len());
let mut expected_total_fee_msat = 0;
macro_rules! msgs_from_ev {
($ev: expr) => {
match $ev {
&MessageSendEvent::UpdateHTLCs { ref node_id, updates: msgs::CommitmentUpdate { ref update_add_htlcs, ref update_fulfill_htlcs, ref update_fail_htlcs, ref update_fail_malformed_htlcs, ref update_fee, ref commitment_signed } } => {
assert!(update_add_htlcs.is_empty());
assert_eq!(update_fulfill_htlcs.len(), 1);
assert!(update_fail_htlcs.is_empty());
assert!(update_fail_malformed_htlcs.is_empty());
assert!(update_fee.is_none());
((update_fulfill_htlcs[0].clone(), commitment_signed.clone()), node_id.clone())
},
_ => panic!("Unexpected event"),
}
}
}
let mut per_path_msgs: Vec<((msgs::UpdateFulfillHTLC, msgs::CommitmentSigned), PublicKey)> = Vec::with_capacity(expected_paths.len());
let events = expected_paths[0].last().unwrap().node.get_and_clear_pending_msg_events();
assert_eq!(events.len(), expected_paths.len());
for ev in events.iter() {
per_path_msgs.push(msgs_from_ev!(ev));
}
for (expected_route, (path_msgs, next_hop)) in expected_paths.iter().zip(per_path_msgs.drain(..)) {
let mut next_msgs = Some(path_msgs);
let mut expected_next_node = next_hop;
macro_rules! last_update_fulfill_dance {
($node: expr, $prev_node: expr) => {
{
$node.node.handle_update_fulfill_htlc(&$prev_node.node.get_our_node_id(), &next_msgs.as_ref().unwrap().0);
check_added_monitors!($node, 0);
assert!($node.node.get_and_clear_pending_msg_events().is_empty());
commitment_signed_dance!($node, $prev_node, next_msgs.as_ref().unwrap().1, false);
}
}
}
macro_rules! mid_update_fulfill_dance {
($node: expr, $prev_node: expr, $next_node: expr, $new_msgs: expr) => {
{
$node.node.handle_update_fulfill_htlc(&$prev_node.node.get_our_node_id(), &next_msgs.as_ref().unwrap().0);
let fee = {
let channel_state = $node.node.channel_state.lock().unwrap();
let channel = channel_state
.by_id.get(&next_msgs.as_ref().unwrap().0.channel_id).unwrap();
if let Some(prev_config) = channel.prev_config() {
prev_config.forwarding_fee_base_msat
} else {
channel.config().forwarding_fee_base_msat
}
};
expect_payment_forwarded!($node, $next_node, $prev_node, Some(fee as u64), false, false);
expected_total_fee_msat += fee as u64;
check_added_monitors!($node, 1);
let new_next_msgs = if $new_msgs {
let events = $node.node.get_and_clear_pending_msg_events();
assert_eq!(events.len(), 1);
let (res, nexthop) = msgs_from_ev!(&events[0]);
expected_next_node = nexthop;
Some(res)
} else {
assert!($node.node.get_and_clear_pending_msg_events().is_empty());
None
};
commitment_signed_dance!($node, $prev_node, next_msgs.as_ref().unwrap().1, false);
next_msgs = new_next_msgs;
}
}
}
let mut prev_node = expected_route.last().unwrap();
for (idx, node) in expected_route.iter().rev().enumerate().skip(1) {
assert_eq!(expected_next_node, node.node.get_our_node_id());
let update_next_msgs = !skip_last || idx != expected_route.len() - 1;
if next_msgs.is_some() {
let next_node: &Node;
if idx == expected_route.len() - 1 {
next_node = origin_node;
} else {
next_node = expected_route[expected_route.len() - 1 - idx - 1];
}
mid_update_fulfill_dance!(node, prev_node, next_node, update_next_msgs);
} else {
assert!(!update_next_msgs);
assert!(node.node.get_and_clear_pending_msg_events().is_empty());
}
if !skip_last && idx == expected_route.len() - 1 {
assert_eq!(expected_next_node, origin_node.node.get_our_node_id());
}
prev_node = node;
}
if !skip_last {
last_update_fulfill_dance!(origin_node, expected_route.first().unwrap());
}
}
expected_paths[0].last().unwrap().node.claim_funds(our_payment_preimage);
assert!(expected_paths[0].last().unwrap().node.get_and_clear_pending_msg_events().is_empty());
check_added_monitors!(expected_paths[0].last().unwrap(), 0);
expected_total_fee_msat
}
pub fn claim_payment_along_route<'a, 'b, 'c>(origin_node: &Node<'a, 'b, 'c>, expected_paths: &[&[&Node<'a, 'b, 'c>]], skip_last: bool, our_payment_preimage: PaymentPreimage) {
let expected_total_fee_msat = do_claim_payment_along_route(origin_node, expected_paths, skip_last, our_payment_preimage);
if !skip_last {
expect_payment_sent!(origin_node, our_payment_preimage, Some(expected_total_fee_msat));
}
}
pub fn claim_payment<'a, 'b, 'c>(origin_node: &Node<'a, 'b, 'c>, expected_route: &[&Node<'a, 'b, 'c>], our_payment_preimage: PaymentPreimage) {
claim_payment_along_route(origin_node, &[expected_route], false, our_payment_preimage);
}
pub const TEST_FINAL_CLTV: u32 = 70;
pub fn route_payment<'a, 'b, 'c>(origin_node: &Node<'a, 'b, 'c>, expected_route: &[&Node<'a, 'b, 'c>], recv_value: u64) -> (PaymentPreimage, PaymentHash, PaymentSecret) {
let payment_params = PaymentParameters::from_node_id(expected_route.last().unwrap().node.get_our_node_id())
.with_features(channelmanager::provided_invoice_features());
let route = get_route!(origin_node, payment_params, recv_value, TEST_FINAL_CLTV).unwrap();
assert_eq!(route.paths.len(), 1);
assert_eq!(route.paths[0].len(), expected_route.len());
for (node, hop) in expected_route.iter().zip(route.paths[0].iter()) {
assert_eq!(hop.pubkey, node.node.get_our_node_id());
}
let res = send_along_route(origin_node, route, expected_route, recv_value);
(res.0, res.1, res.2)
}
pub fn route_over_limit<'a, 'b, 'c>(origin_node: &Node<'a, 'b, 'c>, expected_route: &[&Node<'a, 'b, 'c>], recv_value: u64) {
let payment_params = PaymentParameters::from_node_id(expected_route.last().unwrap().node.get_our_node_id())
.with_features(channelmanager::provided_invoice_features());
let network_graph = origin_node.network_graph.read_only();
let scorer = test_utils::TestScorer::with_penalty(0);
let seed = [0u8; 32];
let keys_manager = test_utils::TestKeysInterface::new(&seed, Network::Testnet);
let random_seed_bytes = keys_manager.get_secure_random_bytes();
let route = get_route(
&origin_node.node.get_our_node_id(), &payment_params, &network_graph,
None, recv_value, TEST_FINAL_CLTV, origin_node.logger, &scorer, &random_seed_bytes).unwrap();
assert_eq!(route.paths.len(), 1);
assert_eq!(route.paths[0].len(), expected_route.len());
for (node, hop) in expected_route.iter().zip(route.paths[0].iter()) {
assert_eq!(hop.pubkey, node.node.get_our_node_id());
}
let (_, our_payment_hash, our_payment_preimage) = get_payment_preimage_hash!(expected_route.last().unwrap());
unwrap_send_err!(origin_node.node.send_payment(&route, our_payment_hash, &Some(our_payment_preimage), PaymentId(our_payment_hash.0)), true, APIError::ChannelUnavailable { ref err },
assert!(err.contains("Cannot send value that would put us over the max HTLC value in flight our peer will accept")));
}
pub fn send_payment<'a, 'b, 'c>(origin: &Node<'a, 'b, 'c>, expected_route: &[&Node<'a, 'b, 'c>], recv_value: u64) {
let our_payment_preimage = route_payment(&origin, expected_route, recv_value).0;
claim_payment(&origin, expected_route, our_payment_preimage);
}
pub fn fail_payment_along_route<'a, 'b, 'c>(origin_node: &Node<'a, 'b, 'c>, expected_paths: &[&[&Node<'a, 'b, 'c>]], skip_last: bool, our_payment_hash: PaymentHash) {
for path in expected_paths.iter() {
assert_eq!(path.last().unwrap().node.get_our_node_id(), expected_paths[0].last().unwrap().node.get_our_node_id());
}
expected_paths[0].last().unwrap().node.fail_htlc_backwards(&our_payment_hash);
let expected_destinations: Vec<HTLCDestination> = repeat(HTLCDestination::FailedPayment { payment_hash: our_payment_hash }).take(expected_paths.len()).collect();
expect_pending_htlcs_forwardable_and_htlc_handling_failed!(expected_paths[0].last().unwrap(), expected_destinations);
pass_failed_payment_back(origin_node, expected_paths, skip_last, our_payment_hash);
}
pub fn pass_failed_payment_back<'a, 'b, 'c>(origin_node: &Node<'a, 'b, 'c>, expected_paths_slice: &[&[&Node<'a, 'b, 'c>]], skip_last: bool, our_payment_hash: PaymentHash) {
let expected_payment_id = pass_failed_payment_back_no_abandon(origin_node, expected_paths_slice, skip_last, our_payment_hash);
if !skip_last {
origin_node.node.abandon_payment(expected_payment_id.unwrap());
let events = origin_node.node.get_and_clear_pending_events();
assert_eq!(events.len(), 1);
match events[0] {
Event::PaymentFailed { ref payment_hash, ref payment_id } => {
assert_eq!(*payment_hash, our_payment_hash, "unexpected second payment_hash");
assert_eq!(*payment_id, expected_payment_id.unwrap());
}
_ => panic!("Unexpected second event"),
}
}
}
pub fn pass_failed_payment_back_no_abandon<'a, 'b, 'c>(origin_node: &Node<'a, 'b, 'c>, expected_paths_slice: &[&[&Node<'a, 'b, 'c>]], skip_last: bool, our_payment_hash: PaymentHash) -> Option<PaymentId> {
let mut expected_paths: Vec<_> = expected_paths_slice.iter().collect();
check_added_monitors!(expected_paths[0].last().unwrap(), expected_paths.len());
let mut per_path_msgs: Vec<((msgs::UpdateFailHTLC, msgs::CommitmentSigned), PublicKey)> = Vec::with_capacity(expected_paths.len());
let events = expected_paths[0].last().unwrap().node.get_and_clear_pending_msg_events();
assert_eq!(events.len(), expected_paths.len());
for ev in events.iter() {
let (update_fail, commitment_signed, node_id) = match ev {
&MessageSendEvent::UpdateHTLCs { ref node_id, updates: msgs::CommitmentUpdate { ref update_add_htlcs, ref update_fulfill_htlcs, ref update_fail_htlcs, ref update_fail_malformed_htlcs, ref update_fee, ref commitment_signed } } => {
assert!(update_add_htlcs.is_empty());
assert!(update_fulfill_htlcs.is_empty());
assert_eq!(update_fail_htlcs.len(), 1);
assert!(update_fail_malformed_htlcs.is_empty());
assert!(update_fee.is_none());
(update_fail_htlcs[0].clone(), commitment_signed.clone(), node_id.clone())
},
_ => panic!("Unexpected event"),
};
per_path_msgs.push(((update_fail, commitment_signed), node_id));
}
per_path_msgs.sort_unstable_by(|(_, node_id_a), (_, node_id_b)| node_id_a.cmp(node_id_b));
expected_paths.sort_unstable_by(|path_a, path_b| path_a[path_a.len() - 2].node.get_our_node_id().cmp(&path_b[path_b.len() - 2].node.get_our_node_id()));
let mut expected_payment_id = None;
for (i, (expected_route, (path_msgs, next_hop))) in expected_paths.iter().zip(per_path_msgs.drain(..)).enumerate() {
let mut next_msgs = Some(path_msgs);
let mut expected_next_node = next_hop;
let mut prev_node = expected_route.last().unwrap();
for (idx, node) in expected_route.iter().rev().enumerate().skip(1) {
assert_eq!(expected_next_node, node.node.get_our_node_id());
let update_next_node = !skip_last || idx != expected_route.len() - 1;
if next_msgs.is_some() {
node.node.handle_update_fail_htlc(&prev_node.node.get_our_node_id(), &next_msgs.as_ref().unwrap().0);
commitment_signed_dance!(node, prev_node, next_msgs.as_ref().unwrap().1, update_next_node);
if !update_next_node {
expect_pending_htlcs_forwardable_and_htlc_handling_failed!(node, vec![HTLCDestination::NextHopChannel { node_id: Some(prev_node.node.get_our_node_id()), channel_id: next_msgs.as_ref().unwrap().0.channel_id }]);
}
}
let events = node.node.get_and_clear_pending_msg_events();
if update_next_node {
assert_eq!(events.len(), 1);
match events[0] {
MessageSendEvent::UpdateHTLCs { ref node_id, updates: msgs::CommitmentUpdate { ref update_add_htlcs, ref update_fulfill_htlcs, ref update_fail_htlcs, ref update_fail_malformed_htlcs, ref update_fee, ref commitment_signed } } => {
assert!(update_add_htlcs.is_empty());
assert!(update_fulfill_htlcs.is_empty());
assert_eq!(update_fail_htlcs.len(), 1);
assert!(update_fail_malformed_htlcs.is_empty());
assert!(update_fee.is_none());
expected_next_node = node_id.clone();
next_msgs = Some((update_fail_htlcs[0].clone(), commitment_signed.clone()));
},
_ => panic!("Unexpected event"),
}
} else {
assert!(events.is_empty());
}
if !skip_last && idx == expected_route.len() - 1 {
assert_eq!(expected_next_node, origin_node.node.get_our_node_id());
}
prev_node = node;
}
if !skip_last {
let prev_node = expected_route.first().unwrap();
origin_node.node.handle_update_fail_htlc(&prev_node.node.get_our_node_id(), &next_msgs.as_ref().unwrap().0);
check_added_monitors!(origin_node, 0);
assert!(origin_node.node.get_and_clear_pending_msg_events().is_empty());
commitment_signed_dance!(origin_node, prev_node, next_msgs.as_ref().unwrap().1, false);
let events = origin_node.node.get_and_clear_pending_events();
assert_eq!(events.len(), 1);
expected_payment_id = Some(match events[0] {
Event::PaymentPathFailed { payment_hash, payment_failed_permanently, all_paths_failed, ref path, ref payment_id, .. } => {
assert_eq!(payment_hash, our_payment_hash);
assert!(payment_failed_permanently);
assert_eq!(all_paths_failed, i == expected_paths.len() - 1);
for (idx, hop) in expected_route.iter().enumerate() {
assert_eq!(hop.node.get_our_node_id(), path[idx].pubkey);
}
payment_id.unwrap()
},
_ => panic!("Unexpected event"),
});
}
}
expected_paths[0].last().unwrap().node.fail_htlc_backwards(&our_payment_hash);
assert!(expected_paths[0].last().unwrap().node.get_and_clear_pending_events().is_empty());
assert!(expected_paths[0].last().unwrap().node.get_and_clear_pending_msg_events().is_empty());
check_added_monitors!(expected_paths[0].last().unwrap(), 0);
expected_payment_id
}
pub fn fail_payment<'a, 'b, 'c>(origin_node: &Node<'a, 'b, 'c>, expected_path: &[&Node<'a, 'b, 'c>], our_payment_hash: PaymentHash) {
fail_payment_along_route(origin_node, &[&expected_path[..]], false, our_payment_hash);
}
pub fn create_chanmon_cfgs(node_count: usize) -> Vec<TestChanMonCfg> {
let mut chan_mon_cfgs = Vec::new();
for i in 0..node_count {
let tx_broadcaster = test_utils::TestBroadcaster {
txn_broadcasted: Mutex::new(Vec::new()),
blocks: Arc::new(Mutex::new(vec![(genesis_block(Network::Testnet), 0)])),
};
let fee_estimator = test_utils::TestFeeEstimator { sat_per_kw: Mutex::new(253) };
let chain_source = test_utils::TestChainSource::new(Network::Testnet);
let logger = test_utils::TestLogger::with_id(format!("node {}", i));
let persister = test_utils::TestPersister::new();
let seed = [i as u8; 32];
let keys_manager = test_utils::TestKeysInterface::new(&seed, Network::Testnet);
chan_mon_cfgs.push(TestChanMonCfg{ tx_broadcaster, fee_estimator, chain_source, logger, persister, keys_manager });
}
chan_mon_cfgs
}
pub fn create_node_cfgs<'a>(node_count: usize, chanmon_cfgs: &'a Vec<TestChanMonCfg>) -> Vec<NodeCfg<'a>> {
let mut nodes = Vec::new();
for i in 0..node_count {
let chain_monitor = test_utils::TestChainMonitor::new(Some(&chanmon_cfgs[i].chain_source), &chanmon_cfgs[i].tx_broadcaster, &chanmon_cfgs[i].logger, &chanmon_cfgs[i].fee_estimator, &chanmon_cfgs[i].persister, &chanmon_cfgs[i].keys_manager);
let seed = [i as u8; 32];
nodes.push(NodeCfg {
chain_source: &chanmon_cfgs[i].chain_source,
logger: &chanmon_cfgs[i].logger,
tx_broadcaster: &chanmon_cfgs[i].tx_broadcaster,
fee_estimator: &chanmon_cfgs[i].fee_estimator,
chain_monitor,
keys_manager: &chanmon_cfgs[i].keys_manager,
node_seed: seed,
features: channelmanager::provided_init_features(),
network_graph: NetworkGraph::new(chanmon_cfgs[i].chain_source.genesis_hash, &chanmon_cfgs[i].logger),
});
}
nodes
}
pub fn test_default_channel_config() -> UserConfig {
let mut default_config = UserConfig::default();
default_config.channel_config.cltv_expiry_delta = MIN_CLTV_EXPIRY_DELTA;
default_config.channel_handshake_config.announced_channel = true;
default_config.channel_handshake_limits.force_announced_channel_preference = false;
default_config.channel_handshake_config.our_htlc_minimum_msat = 1000;
default_config.channel_config.max_dust_htlc_exposure_msat = 50_000_000;
default_config
}
pub fn create_node_chanmgrs<'a, 'b>(node_count: usize, cfgs: &'a Vec<NodeCfg<'b>>, node_config: &[Option<UserConfig>]) -> Vec<ChannelManager<&'a TestChainMonitor<'b>, &'b test_utils::TestBroadcaster, &'a test_utils::TestKeysInterface, &'b test_utils::TestFeeEstimator, &'b test_utils::TestLogger>> {
let mut chanmgrs = Vec::new();
for i in 0..node_count {
let network = Network::Testnet;
let params = ChainParameters {
network,
best_block: BestBlock::from_genesis(network),
};
let node = ChannelManager::new(cfgs[i].fee_estimator, &cfgs[i].chain_monitor, cfgs[i].tx_broadcaster, cfgs[i].logger, cfgs[i].keys_manager,
if node_config[i].is_some() { node_config[i].clone().unwrap() } else { test_default_channel_config() }, params);
chanmgrs.push(node);
}
chanmgrs
}
pub fn create_network<'a, 'b: 'a, 'c: 'b>(node_count: usize, cfgs: &'b Vec<NodeCfg<'c>>, chan_mgrs: &'a Vec<ChannelManager<&'b TestChainMonitor<'c>, &'c test_utils::TestBroadcaster, &'b test_utils::TestKeysInterface, &'c test_utils::TestFeeEstimator, &'c test_utils::TestLogger>>) -> Vec<Node<'a, 'b, 'c>> {
let mut nodes = Vec::new();
let chan_count = Rc::new(RefCell::new(0));
let payment_count = Rc::new(RefCell::new(0));
let connect_style = Rc::new(RefCell::new(ConnectStyle::random_style()));
for i in 0..node_count {
let gossip_sync = P2PGossipSync::new(&cfgs[i].network_graph, None, cfgs[i].logger);
nodes.push(Node{
chain_source: cfgs[i].chain_source, tx_broadcaster: cfgs[i].tx_broadcaster,
fee_estimator: cfgs[i].fee_estimator,
chain_monitor: &cfgs[i].chain_monitor, keys_manager: &cfgs[i].keys_manager,
node: &chan_mgrs[i], network_graph: &cfgs[i].network_graph, gossip_sync,
node_seed: cfgs[i].node_seed, network_chan_count: chan_count.clone(),
network_payment_count: payment_count.clone(), logger: cfgs[i].logger,
blocks: Arc::clone(&cfgs[i].tx_broadcaster.blocks),
connect_style: Rc::clone(&connect_style),
})
}
for i in 0..node_count {
for j in (i+1)..node_count {
nodes[i].node.peer_connected(&nodes[j].node.get_our_node_id(), &msgs::Init { features: cfgs[j].features.clone(), remote_network_address: None }).unwrap();
nodes[j].node.peer_connected(&nodes[i].node.get_our_node_id(), &msgs::Init { features: cfgs[i].features.clone(), remote_network_address: None }).unwrap();
}
}
nodes
}
pub const ACCEPTED_HTLC_SCRIPT_WEIGHT: usize = 137;
#[derive(PartialEq)]
pub enum HTLCType { NONE, TIMEOUT, SUCCESS }
pub fn test_txn_broadcast<'a, 'b, 'c>(node: &Node<'a, 'b, 'c>, chan: &(msgs::ChannelUpdate, msgs::ChannelUpdate, [u8; 32], Transaction), commitment_tx: Option<Transaction>, has_htlc_tx: HTLCType) -> Vec<Transaction> {
let mut node_txn = node.tx_broadcaster.txn_broadcasted.lock().unwrap();
assert!(node_txn.len() >= if commitment_tx.is_some() { 0 } else { 1 } + if has_htlc_tx == HTLCType::NONE { 0 } else { 1 });
let mut res = Vec::with_capacity(2);
node_txn.retain(|tx| {
if tx.input.len() == 1 && tx.input[0].previous_output.txid == chan.3.txid() {
check_spends!(tx, chan.3);
if commitment_tx.is_none() {
res.push(tx.clone());
}
false
} else { true }
});
if let Some(explicit_tx) = commitment_tx {
res.push(explicit_tx.clone());
}
assert_eq!(res.len(), 1);
if has_htlc_tx != HTLCType::NONE {
node_txn.retain(|tx| {
if tx.input.len() == 1 && tx.input[0].previous_output.txid == res[0].txid() {
check_spends!(tx, res[0]);
if has_htlc_tx == HTLCType::TIMEOUT {
assert!(tx.lock_time.0 != 0);
} else {
assert!(tx.lock_time.0 == 0);
}
res.push(tx.clone());
false
} else { true }
});
assert!(res.len() == 2 || res.len() == 3);
if res.len() == 3 {
assert_eq!(res[1], res[2]);
}
}
assert!(node_txn.is_empty());
res
}
pub fn test_revoked_htlc_claim_txn_broadcast<'a, 'b, 'c>(node: &Node<'a, 'b, 'c>, revoked_tx: Transaction, commitment_revoked_tx: Transaction) {
let mut node_txn = node.tx_broadcaster.txn_broadcasted.lock().unwrap();
if node_txn.len() != 1 && node_txn.len() != 2 && node_txn.len() != 3 { assert!(false); }
node_txn.retain(|tx| {
if tx.input.len() == 1 && tx.input[0].previous_output.txid == revoked_tx.txid() {
check_spends!(tx, revoked_tx);
false
} else { true }
});
node_txn.retain(|tx| {
check_spends!(tx, commitment_revoked_tx);
false
});
assert!(node_txn.is_empty());
}
pub fn check_preimage_claim<'a, 'b, 'c>(node: &Node<'a, 'b, 'c>, prev_txn: &Vec<Transaction>) -> Vec<Transaction> {
let mut node_txn = node.tx_broadcaster.txn_broadcasted.lock().unwrap();
assert!(node_txn.len() >= 1);
assert_eq!(node_txn[0].input.len(), 1);
let mut found_prev = false;
for tx in prev_txn {
if node_txn[0].input[0].previous_output.txid == tx.txid() {
check_spends!(node_txn[0], tx);
let mut iter = node_txn[0].input[0].witness.iter();
iter.next().expect("expected 3 witness items");
iter.next().expect("expected 3 witness items");
assert!(iter.next().expect("expected 3 witness items").len() > 106); assert_eq!(tx.input.len(), 1);
found_prev = true;
break;
}
}
assert!(found_prev);
let mut res = Vec::new();
mem::swap(&mut *node_txn, &mut res);
res
}
pub fn handle_announce_close_broadcast_events<'a, 'b, 'c>(nodes: &Vec<Node<'a, 'b, 'c>>, a: usize, b: usize, needs_err_handle: bool, expected_error: &str) {
let events_1 = nodes[a].node.get_and_clear_pending_msg_events();
assert_eq!(events_1.len(), 2);
let as_update = match events_1[0] {
MessageSendEvent::BroadcastChannelUpdate { ref msg } => {
msg.clone()
},
_ => panic!("Unexpected event"),
};
match events_1[1] {
MessageSendEvent::HandleError { node_id, action: msgs::ErrorAction::SendErrorMessage { ref msg } } => {
assert_eq!(node_id, nodes[b].node.get_our_node_id());
assert_eq!(msg.data, expected_error);
if needs_err_handle {
nodes[b].node.handle_error(&nodes[a].node.get_our_node_id(), msg);
}
},
_ => panic!("Unexpected event"),
}
let events_2 = nodes[b].node.get_and_clear_pending_msg_events();
assert_eq!(events_2.len(), if needs_err_handle { 1 } else { 2 });
let bs_update = match events_2[0] {
MessageSendEvent::BroadcastChannelUpdate { ref msg } => {
msg.clone()
},
_ => panic!("Unexpected event"),
};
if !needs_err_handle {
match events_2[1] {
MessageSendEvent::HandleError { node_id, action: msgs::ErrorAction::SendErrorMessage { ref msg } } => {
assert_eq!(node_id, nodes[a].node.get_our_node_id());
assert_eq!(msg.data, expected_error);
},
_ => panic!("Unexpected event"),
}
}
for node in nodes {
node.gossip_sync.handle_channel_update(&as_update).unwrap();
node.gossip_sync.handle_channel_update(&bs_update).unwrap();
}
}
pub fn get_announce_close_broadcast_events<'a, 'b, 'c>(nodes: &Vec<Node<'a, 'b, 'c>>, a: usize, b: usize) {
handle_announce_close_broadcast_events(nodes, a, b, false, "Channel closed because commitment or closing transaction was confirmed on chain.");
}
#[cfg(test)]
macro_rules! get_channel_value_stat {
($node: expr, $channel_id: expr) => {{
let chan_lock = $node.node.channel_state.lock().unwrap();
let chan = chan_lock.by_id.get(&$channel_id).unwrap();
chan.get_value_stat()
}}
}
macro_rules! get_chan_reestablish_msgs {
($src_node: expr, $dst_node: expr) => {
{
let mut announcements = $crate::prelude::HashSet::new();
let mut res = Vec::with_capacity(1);
for msg in $src_node.node.get_and_clear_pending_msg_events() {
if let MessageSendEvent::SendChannelReestablish { ref node_id, ref msg } = msg {
assert_eq!(*node_id, $dst_node.node.get_our_node_id());
res.push(msg.clone());
} else if let MessageSendEvent::SendChannelAnnouncement { ref node_id, ref msg, .. } = msg {
assert_eq!(*node_id, $dst_node.node.get_our_node_id());
announcements.insert(msg.contents.short_channel_id);
} else {
panic!("Unexpected event")
}
}
for chan in $src_node.node.list_channels() {
if chan.is_public && chan.counterparty.node_id != $dst_node.node.get_our_node_id() {
if let Some(scid) = chan.short_channel_id {
assert!(announcements.remove(&scid));
}
}
}
assert!(announcements.is_empty());
res
}
}
}
macro_rules! handle_chan_reestablish_msgs {
($src_node: expr, $dst_node: expr) => {
{
let msg_events = $src_node.node.get_and_clear_pending_msg_events();
let mut idx = 0;
let channel_ready = if let Some(&MessageSendEvent::SendChannelReady { ref node_id, ref msg }) = msg_events.get(0) {
idx += 1;
assert_eq!(*node_id, $dst_node.node.get_our_node_id());
Some(msg.clone())
} else {
None
};
if let Some(&MessageSendEvent::SendAnnouncementSignatures { ref node_id, msg: _ }) = msg_events.get(idx) {
idx += 1;
assert_eq!(*node_id, $dst_node.node.get_our_node_id());
}
let mut had_channel_update = false; if let Some(&MessageSendEvent::SendChannelUpdate { ref node_id, ref msg }) = msg_events.get(idx) {
assert_eq!(*node_id, $dst_node.node.get_our_node_id());
idx += 1;
assert_eq!(msg.contents.flags & 2, 0); had_channel_update = true;
}
let mut revoke_and_ack = None;
let mut commitment_update = None;
let order = if let Some(ev) = msg_events.get(idx) {
match ev {
&MessageSendEvent::SendRevokeAndACK { ref node_id, ref msg } => {
assert_eq!(*node_id, $dst_node.node.get_our_node_id());
revoke_and_ack = Some(msg.clone());
idx += 1;
RAACommitmentOrder::RevokeAndACKFirst
},
&MessageSendEvent::UpdateHTLCs { ref node_id, ref updates } => {
assert_eq!(*node_id, $dst_node.node.get_our_node_id());
commitment_update = Some(updates.clone());
idx += 1;
RAACommitmentOrder::CommitmentFirst
},
_ => RAACommitmentOrder::CommitmentFirst,
}
} else {
RAACommitmentOrder::CommitmentFirst
};
if let Some(ev) = msg_events.get(idx) {
match ev {
&MessageSendEvent::SendRevokeAndACK { ref node_id, ref msg } => {
assert_eq!(*node_id, $dst_node.node.get_our_node_id());
assert!(revoke_and_ack.is_none());
revoke_and_ack = Some(msg.clone());
idx += 1;
},
&MessageSendEvent::UpdateHTLCs { ref node_id, ref updates } => {
assert_eq!(*node_id, $dst_node.node.get_our_node_id());
assert!(commitment_update.is_none());
commitment_update = Some(updates.clone());
idx += 1;
},
_ => {},
}
}
if let Some(&MessageSendEvent::SendChannelUpdate { ref node_id, ref msg }) = msg_events.get(idx) {
assert_eq!(*node_id, $dst_node.node.get_our_node_id());
idx += 1;
assert_eq!(msg.contents.flags & 2, 0); assert!(!had_channel_update);
}
assert_eq!(msg_events.len(), idx);
(channel_ready, revoke_and_ack, commitment_update, order)
}
}
}
pub fn reconnect_nodes<'a, 'b, 'c>(node_a: &Node<'a, 'b, 'c>, node_b: &Node<'a, 'b, 'c>, send_channel_ready: (bool, bool), pending_htlc_adds: (i64, i64), pending_htlc_claims: (usize, usize), pending_htlc_fails: (usize, usize), pending_cell_htlc_claims: (usize, usize), pending_cell_htlc_fails: (usize, usize), pending_raa: (bool, bool)) {
node_a.node.peer_connected(&node_b.node.get_our_node_id(), &msgs::Init { features: channelmanager::provided_init_features(), remote_network_address: None }).unwrap();
let reestablish_1 = get_chan_reestablish_msgs!(node_a, node_b);
node_b.node.peer_connected(&node_a.node.get_our_node_id(), &msgs::Init { features: channelmanager::provided_init_features(), remote_network_address: None }).unwrap();
let reestablish_2 = get_chan_reestablish_msgs!(node_b, node_a);
if send_channel_ready.0 {
for reestablish in reestablish_1.iter() {
assert_eq!(reestablish.next_remote_commitment_number, 0);
}
}
if send_channel_ready.1 {
for reestablish in reestablish_2.iter() {
assert_eq!(reestablish.next_remote_commitment_number, 0);
}
}
if send_channel_ready.0 || send_channel_ready.1 {
for reestablish in reestablish_1.iter() {
assert_eq!(reestablish.next_local_commitment_number, 1);
}
for reestablish in reestablish_2.iter() {
assert_eq!(reestablish.next_local_commitment_number, 1);
}
}
let mut resp_1 = Vec::new();
for msg in reestablish_1 {
node_b.node.handle_channel_reestablish(&node_a.node.get_our_node_id(), &msg);
resp_1.push(handle_chan_reestablish_msgs!(node_b, node_a));
}
if pending_cell_htlc_claims.0 != 0 || pending_cell_htlc_fails.0 != 0 {
check_added_monitors!(node_b, 1);
} else {
check_added_monitors!(node_b, 0);
}
let mut resp_2 = Vec::new();
for msg in reestablish_2 {
node_a.node.handle_channel_reestablish(&node_b.node.get_our_node_id(), &msg);
resp_2.push(handle_chan_reestablish_msgs!(node_a, node_b));
}
if pending_cell_htlc_claims.1 != 0 || pending_cell_htlc_fails.1 != 0 {
check_added_monitors!(node_a, 1);
} else {
check_added_monitors!(node_a, 0);
}
assert!((pending_htlc_adds.0 == 0 && pending_htlc_claims.0 == 0 && pending_htlc_fails.0 == 0 &&
pending_cell_htlc_claims.0 == 0 && pending_cell_htlc_fails.0 == 0) ||
(pending_htlc_adds.1 == 0 && pending_htlc_claims.1 == 0 && pending_htlc_fails.1 == 0 &&
pending_cell_htlc_claims.1 == 0 && pending_cell_htlc_fails.1 == 0));
for chan_msgs in resp_1.drain(..) {
if send_channel_ready.0 {
node_a.node.handle_channel_ready(&node_b.node.get_our_node_id(), &chan_msgs.0.unwrap());
let announcement_event = node_a.node.get_and_clear_pending_msg_events();
if !announcement_event.is_empty() {
assert_eq!(announcement_event.len(), 1);
if let MessageSendEvent::SendChannelUpdate { .. } = announcement_event[0] {
} else { panic!("Unexpected event! {:?}", announcement_event[0]); }
}
} else {
assert!(chan_msgs.0.is_none());
}
if pending_raa.0 {
assert!(chan_msgs.3 == RAACommitmentOrder::RevokeAndACKFirst);
node_a.node.handle_revoke_and_ack(&node_b.node.get_our_node_id(), &chan_msgs.1.unwrap());
assert!(node_a.node.get_and_clear_pending_msg_events().is_empty());
check_added_monitors!(node_a, 1);
} else {
assert!(chan_msgs.1.is_none());
}
if pending_htlc_adds.0 != 0 || pending_htlc_claims.0 != 0 || pending_htlc_fails.0 != 0 || pending_cell_htlc_claims.0 != 0 || pending_cell_htlc_fails.0 != 0 {
let commitment_update = chan_msgs.2.unwrap();
if pending_htlc_adds.0 != -1 { assert_eq!(commitment_update.update_add_htlcs.len(), pending_htlc_adds.0 as usize);
} else {
assert!(commitment_update.update_add_htlcs.is_empty());
}
assert_eq!(commitment_update.update_fulfill_htlcs.len(), pending_htlc_claims.0 + pending_cell_htlc_claims.0);
assert_eq!(commitment_update.update_fail_htlcs.len(), pending_htlc_fails.0 + pending_cell_htlc_fails.0);
assert!(commitment_update.update_fail_malformed_htlcs.is_empty());
for update_add in commitment_update.update_add_htlcs {
node_a.node.handle_update_add_htlc(&node_b.node.get_our_node_id(), &update_add);
}
for update_fulfill in commitment_update.update_fulfill_htlcs {
node_a.node.handle_update_fulfill_htlc(&node_b.node.get_our_node_id(), &update_fulfill);
}
for update_fail in commitment_update.update_fail_htlcs {
node_a.node.handle_update_fail_htlc(&node_b.node.get_our_node_id(), &update_fail);
}
if pending_htlc_adds.0 != -1 { commitment_signed_dance!(node_a, node_b, commitment_update.commitment_signed, false);
} else {
node_a.node.handle_commitment_signed(&node_b.node.get_our_node_id(), &commitment_update.commitment_signed);
check_added_monitors!(node_a, 1);
let as_revoke_and_ack = get_event_msg!(node_a, MessageSendEvent::SendRevokeAndACK, node_b.node.get_our_node_id());
node_b.node.handle_revoke_and_ack(&node_a.node.get_our_node_id(), &as_revoke_and_ack);
assert!(node_b.node.get_and_clear_pending_msg_events().is_empty());
check_added_monitors!(node_b, 1);
}
} else {
assert!(chan_msgs.2.is_none());
}
}
for chan_msgs in resp_2.drain(..) {
if send_channel_ready.1 {
node_b.node.handle_channel_ready(&node_a.node.get_our_node_id(), &chan_msgs.0.unwrap());
let announcement_event = node_b.node.get_and_clear_pending_msg_events();
if !announcement_event.is_empty() {
assert_eq!(announcement_event.len(), 1);
match announcement_event[0] {
MessageSendEvent::SendChannelUpdate { .. } => {},
MessageSendEvent::SendAnnouncementSignatures { .. } => {},
_ => panic!("Unexpected event {:?}!", announcement_event[0]),
}
}
} else {
assert!(chan_msgs.0.is_none());
}
if pending_raa.1 {
assert!(chan_msgs.3 == RAACommitmentOrder::RevokeAndACKFirst);
node_b.node.handle_revoke_and_ack(&node_a.node.get_our_node_id(), &chan_msgs.1.unwrap());
assert!(node_b.node.get_and_clear_pending_msg_events().is_empty());
check_added_monitors!(node_b, 1);
} else {
assert!(chan_msgs.1.is_none());
}
if pending_htlc_adds.1 != 0 || pending_htlc_claims.1 != 0 || pending_htlc_fails.1 != 0 || pending_cell_htlc_claims.1 != 0 || pending_cell_htlc_fails.1 != 0 {
let commitment_update = chan_msgs.2.unwrap();
if pending_htlc_adds.1 != -1 { assert_eq!(commitment_update.update_add_htlcs.len(), pending_htlc_adds.1 as usize);
}
assert_eq!(commitment_update.update_fulfill_htlcs.len(), pending_htlc_claims.1 + pending_cell_htlc_claims.1);
assert_eq!(commitment_update.update_fail_htlcs.len(), pending_htlc_fails.1 + pending_cell_htlc_fails.1);
assert!(commitment_update.update_fail_malformed_htlcs.is_empty());
for update_add in commitment_update.update_add_htlcs {
node_b.node.handle_update_add_htlc(&node_a.node.get_our_node_id(), &update_add);
}
for update_fulfill in commitment_update.update_fulfill_htlcs {
node_b.node.handle_update_fulfill_htlc(&node_a.node.get_our_node_id(), &update_fulfill);
}
for update_fail in commitment_update.update_fail_htlcs {
node_b.node.handle_update_fail_htlc(&node_a.node.get_our_node_id(), &update_fail);
}
if pending_htlc_adds.1 != -1 { commitment_signed_dance!(node_b, node_a, commitment_update.commitment_signed, false);
} else {
node_b.node.handle_commitment_signed(&node_a.node.get_our_node_id(), &commitment_update.commitment_signed);
check_added_monitors!(node_b, 1);
let bs_revoke_and_ack = get_event_msg!(node_b, MessageSendEvent::SendRevokeAndACK, node_a.node.get_our_node_id());
node_a.node.handle_revoke_and_ack(&node_b.node.get_our_node_id(), &bs_revoke_and_ack);
assert!(node_a.node.get_and_clear_pending_msg_events().is_empty());
check_added_monitors!(node_a, 1);
}
} else {
assert!(chan_msgs.2.is_none());
}
}
}