use bitcoin_hashes::Hash as TraitImport;
use bitcoin_hashes::hash160::Hash as Hash160;
use bitcoin_hashes::sha256::Hash as Sha256;
+use bitcoin_hashes::sha256d::Hash as Sha256d;
use lightning::chain::chaininterface;
use lightning::chain::transaction::OutPoint;
use lightning::chain::chaininterface::{BroadcasterInterface,ConfirmationTarget,ChainListener,FeeEstimator,ChainWatchInterfaceUtil};
use lightning::chain::keysinterface::{ChannelKeys, KeysInterface};
use lightning::ln::channelmonitor;
-use lightning::ln::channelmonitor::{ChannelMonitorUpdateErr, HTLCUpdate};
-use lightning::ln::channelmanager::{ChannelManager, PaymentHash, PaymentPreimage};
+use lightning::ln::channelmonitor::{ChannelMonitor, ChannelMonitorUpdateErr, HTLCUpdate};
+use lightning::ln::channelmanager::{ChannelManager, PaymentHash, PaymentPreimage, ChannelManagerReadArgs};
use lightning::ln::router::{Route, RouteHop};
use lightning::ln::msgs::{CommitmentUpdate, ChannelMessageHandler, ErrorAction, HandleError, UpdateAddHTLC, LocalFeatures};
use lightning::util::events;
use lightning::util::logger::Logger;
use lightning::util::config::UserConfig;
use lightning::util::events::{EventsProvider, MessageSendEventsProvider};
-use lightning::util::ser::{Readable, Writeable};
+use lightning::util::ser::{Readable, ReadableArgs, Writeable, Writer};
mod utils;
use utils::test_logger;
use std::mem;
use std::cmp::Ordering;
-use std::collections::HashSet;
+use std::collections::{HashSet, HashMap};
use std::sync::{Arc,Mutex};
use std::sync::atomic;
use std::io::Cursor;
fn broadcast_transaction(&self, _tx: &Transaction) { }
}
+pub struct VecWriter(pub Vec<u8>);
+impl Writer for VecWriter {
+ fn write_all(&mut self, buf: &[u8]) -> Result<(), ::std::io::Error> {
+ self.0.extend_from_slice(buf);
+ Ok(())
+ }
+ fn size_hint(&mut self, size: usize) {
+ self.0.reserve_exact(size);
+ }
+}
+
pub struct TestChannelMonitor {
pub simple_monitor: Arc<channelmonitor::SimpleManyChannelMonitor<OutPoint>>,
pub update_ret: Mutex<Result<(), channelmonitor::ChannelMonitorUpdateErr>>,
+ pub latest_good_update: Mutex<HashMap<OutPoint, Vec<u8>>>,
+ pub latest_update_good: Mutex<HashMap<OutPoint, bool>>,
+ pub latest_updates_good_at_last_ser: Mutex<HashMap<OutPoint, bool>>,
+ pub should_update_manager: atomic::AtomicBool,
}
impl TestChannelMonitor {
pub fn new(chain_monitor: Arc<chaininterface::ChainWatchInterface>, broadcaster: Arc<chaininterface::BroadcasterInterface>, logger: Arc<Logger>, feeest: Arc<chaininterface::FeeEstimator>) -> Self {
Self {
simple_monitor: channelmonitor::SimpleManyChannelMonitor::new(chain_monitor, broadcaster, logger, feeest),
update_ret: Mutex::new(Ok(())),
+ latest_good_update: Mutex::new(HashMap::new()),
+ latest_update_good: Mutex::new(HashMap::new()),
+ latest_updates_good_at_last_ser: Mutex::new(HashMap::new()),
+ should_update_manager: atomic::AtomicBool::new(false),
}
}
}
impl channelmonitor::ManyChannelMonitor for TestChannelMonitor {
fn add_update_monitor(&self, funding_txo: OutPoint, monitor: channelmonitor::ChannelMonitor) -> Result<(), channelmonitor::ChannelMonitorUpdateErr> {
+ let ret = self.update_ret.lock().unwrap().clone();
+ if let Ok(()) = ret {
+ let mut ser = VecWriter(Vec::new());
+ monitor.write_for_disk(&mut ser).unwrap();
+ self.latest_good_update.lock().unwrap().insert(funding_txo, ser.0);
+ self.latest_update_good.lock().unwrap().insert(funding_txo, true);
+ self.should_update_manager.store(true, atomic::Ordering::Relaxed);
+ } else {
+ self.latest_update_good.lock().unwrap().insert(funding_txo, false);
+ }
assert!(self.simple_monitor.add_update_monitor(funding_txo, monitor).is_ok());
- self.update_ret.lock().unwrap().clone()
+ ret
}
fn fetch_pending_htlc_updated(&self) -> Vec<HTLCUpdate> {
} }
}
+ macro_rules! reload_node {
+ ($ser: expr, $node_id: expr, $old_monitors: expr) => { {
+ let logger: Arc<Logger> = Arc::new(test_logger::TestLogger::new($node_id.to_string()));
+ let watch = Arc::new(ChainWatchInterfaceUtil::new(Network::Bitcoin, Arc::clone(&logger)));
+ let monitor = Arc::new(TestChannelMonitor::new(watch.clone(), broadcast.clone(), logger.clone(), fee_est.clone()));
+
+ let keys_manager = Arc::new(KeyProvider { node_id: $node_id, session_id: atomic::AtomicU8::new(0), channel_id: atomic::AtomicU8::new(0) });
+ let mut config = UserConfig::new();
+ config.channel_options.fee_proportional_millionths = 0;
+ config.channel_options.announced_channel = true;
+ config.peer_channel_config_limits.min_dust_limit_satoshis = 0;
+
+ let mut monitors = HashMap::new();
+ let mut old_monitors = $old_monitors.latest_good_update.lock().unwrap();
+ for (outpoint, monitor_ser) in old_monitors.drain() {
+ monitors.insert(outpoint, <(Sha256d, ChannelMonitor)>::read(&mut Cursor::new(&monitor_ser), Arc::clone(&logger)).expect("Failed to read monitor").1);
+ monitor.latest_good_update.lock().unwrap().insert(outpoint, monitor_ser);
+ }
+ let mut monitor_refs = HashMap::new();
+ for (outpoint, monitor) in monitors.iter() {
+ monitor_refs.insert(*outpoint, monitor);
+ }
+
+ let read_args = ChannelManagerReadArgs {
+ keys_manager,
+ fee_estimator: fee_est.clone(),
+ monitor: monitor.clone(),
+ chain_monitor: watch,
+ tx_broadcaster: broadcast.clone(),
+ logger,
+ default_config: config,
+ channel_monitors: &monitor_refs,
+ };
+
+ let res = (<(Sha256d, ChannelManager)>::read(&mut Cursor::new(&$ser.0), read_args).expect("Failed to read manager").1, monitor);
+ for (_, was_good) in $old_monitors.latest_updates_good_at_last_ser.lock().unwrap().iter() {
+ if !was_good {
+ // If the last time we updated a monitor we didn't successfully update (and we
+ // have sense updated our serialized copy of the ChannelManager) we may
+ // force-close the channel on our counterparty cause we know we're missing
+ // something. Thus, we just return here since we can't continue to test.
+ return;
+ }
+ }
+ res
+ } }
+ }
+
+
let mut channel_txn = Vec::new();
macro_rules! make_channel {
($source: expr, $dest: expr, $chan_id: expr) => { {
// 3 nodes is enough to hit all the possible cases, notably unknown-source-unknown-dest
// forwarding.
- let (node_a, monitor_a) = make_node!(0);
- let (node_b, monitor_b) = make_node!(1);
- let (node_c, monitor_c) = make_node!(2);
+ let (mut node_a, mut monitor_a) = make_node!(0);
+ let (mut node_b, mut monitor_b) = make_node!(1);
+ let (mut node_c, mut monitor_c) = make_node!(2);
- let nodes = [node_a, node_b, node_c];
+ let mut nodes = [node_a, node_b, node_c];
make_channel!(nodes[0], nodes[1], 0);
make_channel!(nodes[1], nodes[2], 1);
let mut ba_events = Vec::new();
let mut bc_events = Vec::new();
+ let mut node_a_ser = VecWriter(Vec::new());
+ nodes[0].write(&mut node_a_ser).unwrap();
+ let mut node_b_ser = VecWriter(Vec::new());
+ nodes[1].write(&mut node_b_ser).unwrap();
+ let mut node_c_ser = VecWriter(Vec::new());
+ nodes[2].write(&mut node_c_ser).unwrap();
+
macro_rules! test_err {
($res: expr) => {
match $res {
0x1c => process_msg_events!(2, false),
0x1d => process_events!(2, true),
0x1e => process_events!(2, false),
+ 0x1f => {
+ if !chan_a_disconnected {
+ nodes[1].peer_disconnected(&nodes[0].get_our_node_id(), false);
+ chan_a_disconnected = true;
+ drain_msg_events_on_disconnect!(0);
+ }
+ let (new_node_a, new_monitor_a) = reload_node!(node_a_ser, 0, monitor_a);
+ node_a = Arc::new(new_node_a);
+ nodes[0] = node_a.clone();
+ monitor_a = new_monitor_a;
+ },
+ 0x20 => {
+ if !chan_a_disconnected {
+ nodes[0].peer_disconnected(&nodes[1].get_our_node_id(), false);
+ chan_a_disconnected = true;
+ nodes[0].get_and_clear_pending_msg_events();
+ ba_events.clear();
+ }
+ if !chan_b_disconnected {
+ nodes[2].peer_disconnected(&nodes[1].get_our_node_id(), false);
+ chan_b_disconnected = true;
+ nodes[2].get_and_clear_pending_msg_events();
+ bc_events.clear();
+ }
+ let (new_node_b, new_monitor_b) = reload_node!(node_b_ser, 1, monitor_b);
+ node_b = Arc::new(new_node_b);
+ nodes[1] = node_b.clone();
+ monitor_b = new_monitor_b;
+ },
+ 0x21 => {
+ if !chan_b_disconnected {
+ nodes[1].peer_disconnected(&nodes[2].get_our_node_id(), false);
+ chan_b_disconnected = true;
+ drain_msg_events_on_disconnect!(2);
+ }
+ let (new_node_c, new_monitor_c) = reload_node!(node_c_ser, 2, monitor_c);
+ node_c = Arc::new(new_node_c);
+ nodes[2] = node_c.clone();
+ monitor_c = new_monitor_c;
+ },
_ => test_return!(),
}
+
+ if monitor_a.should_update_manager.load(atomic::Ordering::Relaxed) {
+ node_a_ser.0.clear();
+ nodes[0].write(&mut node_a_ser).unwrap();
+ monitor_a.should_update_manager.store(false, atomic::Ordering::Relaxed);
+ *monitor_a.latest_updates_good_at_last_ser.lock().unwrap() = monitor_a.latest_update_good.lock().unwrap().clone();
+ }
+ if monitor_b.should_update_manager.load(atomic::Ordering::Relaxed) {
+ node_b_ser.0.clear();
+ nodes[1].write(&mut node_b_ser).unwrap();
+ monitor_b.should_update_manager.store(false, atomic::Ordering::Relaxed);
+ *monitor_b.latest_updates_good_at_last_ser.lock().unwrap() = monitor_b.latest_update_good.lock().unwrap().clone();
+ }
+ if monitor_c.should_update_manager.load(atomic::Ordering::Relaxed) {
+ node_c_ser.0.clear();
+ nodes[2].write(&mut node_c_ser).unwrap();
+ monitor_c.should_update_manager.store(false, atomic::Ordering::Relaxed);
+ *monitor_c.latest_updates_good_at_last_ser.lock().unwrap() = monitor_c.latest_update_good.lock().unwrap().clone();
+ }
}
}