extern crate bitcoin;
+extern crate crypto;
extern crate lightning;
extern crate secp256k1;
+use bitcoin::blockdata::block::BlockHeader;
+use bitcoin::blockdata::transaction::{Transaction, TxOut};
+use bitcoin::blockdata::script::{Builder, Script};
+use bitcoin::blockdata::opcodes;
use bitcoin::network::constants::Network;
-use bitcoin::util::hash::Sha256dHash;
+use bitcoin::network::serialize::{deserialize, serialize, BitcoinHash};
+use bitcoin::util::hash::{Sha256dHash, Hash160};
-use lightning::chain::chaininterface::{ConfirmationTarget,FeeEstimator,ChainWatchInterfaceUtil};
-use lightning::ln::{channelmonitor,msgs};
-use lightning::ln::channelmanager::ChannelManager;
+use crypto::digest::Digest;
+
+use lightning::chain::chaininterface::{BroadcasterInterface,ConfirmationTarget,ChainListener,FeeEstimator,ChainWatchInterfaceUtil};
+use lightning::chain::transaction::OutPoint;
+use lightning::chain::keysinterface::{ChannelKeys, KeysInterface};
+use lightning::ln::channelmonitor;
+use lightning::ln::channelmanager::{ChannelManager, PaymentFailReason};
use lightning::ln::peer_handler::{MessageHandler,PeerManager,SocketDescriptor};
use lightning::ln::router::Router;
+use lightning::util::events::{EventsProvider,Event};
+use lightning::util::reset_rng_state;
+use lightning::util::logger::Logger;
+use lightning::util::sha2::Sha256;
+use lightning::util::config::UserConfig;
+
+mod utils;
+
+use utils::test_logger;
use secp256k1::key::{PublicKey,SecretKey};
use secp256k1::Secp256k1;
+use std::cell::RefCell;
+use std::collections::{HashMap, hash_map};
+use std::cmp;
+use std::hash::Hash;
use std::sync::Arc;
use std::sync::atomic::{AtomicUsize,Ordering};
((v[1] as u16) << 8*0)
}
+#[inline]
+pub fn slice_to_be24(v: &[u8]) -> u32 {
+ ((v[0] as u32) << 8*2) |
+ ((v[1] as u32) << 8*1) |
+ ((v[2] as u32) << 8*0)
+}
+
#[inline]
pub fn slice_to_be32(v: &[u8]) -> u32 {
((v[0] as u32) << 8*3) |
((v[3] as u32) << 8*0)
}
+#[inline]
+pub fn be64_to_array(u: u64) -> [u8; 8] {
+ let mut v = [0; 8];
+ v[0] = ((u >> 8*7) & 0xff) as u8;
+ v[1] = ((u >> 8*6) & 0xff) as u8;
+ v[2] = ((u >> 8*5) & 0xff) as u8;
+ v[3] = ((u >> 8*4) & 0xff) as u8;
+ v[4] = ((u >> 8*3) & 0xff) as u8;
+ v[5] = ((u >> 8*2) & 0xff) as u8;
+ v[6] = ((u >> 8*1) & 0xff) as u8;
+ v[7] = ((u >> 8*0) & 0xff) as u8;
+ v
+}
+
struct InputData {
data: Vec<u8>,
read_pos: AtomicUsize,
}
Some(&self.data[old_pos..old_pos + len])
}
- fn get_slice_nonadvancing(&self, len: usize) -> Option<&[u8]> {
- let old_pos = self.read_pos.load(Ordering::Acquire);
- if self.data.len() < old_pos + len {
- return None;
- }
- Some(&self.data[old_pos..old_pos + len])
- }
}
struct FuzzEstimator {
input: Arc<InputData>,
}
impl FeeEstimator for FuzzEstimator {
- fn get_est_sat_per_vbyte(&self, _: ConfirmationTarget) -> u64 {
+ fn get_est_sat_per_1000_weight(&self, _: ConfirmationTarget) -> u64 {
//TODO: We should actually be testing at least much more than 64k...
match self.input.get_slice(2) {
- Some(slice) => slice_to_be16(slice) as u64,
+ Some(slice) => cmp::max(slice_to_be16(slice) as u64, 253),
None => 0
}
}
}
-struct TestChannelMonitor {}
-impl channelmonitor::ManyChannelMonitor for TestChannelMonitor {
- fn add_update_monitor(&self, _funding_txo: (Sha256dHash, u16), _monitor: channelmonitor::ChannelMonitor) -> Result<(), msgs::HandleError> {
- //TODO!
- Ok(())
- }
+struct TestBroadcaster {}
+impl BroadcasterInterface for TestBroadcaster {
+ fn broadcast_transaction(&self, _tx: &Transaction) {}
}
-#[derive(Clone, PartialEq, Eq, Hash)]
-struct Peer {
+#[derive(Clone)]
+struct Peer<'a> {
id: u8,
+ peers_connected: &'a RefCell<[bool; 256]>,
}
-impl SocketDescriptor for Peer {
+impl<'a> SocketDescriptor for Peer<'a> {
fn send_data(&mut self, data: &Vec<u8>, write_offset: usize, _resume_read: bool) -> usize {
assert!(write_offset < data.len());
data.len() - write_offset
}
+ fn disconnect_socket(&mut self) {
+ assert!(self.peers_connected.borrow()[self.id as usize]);
+ self.peers_connected.borrow_mut()[self.id as usize] = false;
+ }
+}
+impl<'a> PartialEq for Peer<'a> {
+ fn eq(&self, other: &Self) -> bool {
+ self.id == other.id
+ }
+}
+impl<'a> Eq for Peer<'a> {}
+impl<'a> Hash for Peer<'a> {
+ fn hash<H : std::hash::Hasher>(&self, h: &mut H) {
+ self.id.hash(h)
+ }
+}
+
+struct MoneyLossDetector<'a> {
+ manager: Arc<ChannelManager>,
+ monitor: Arc<channelmonitor::SimpleManyChannelMonitor<OutPoint>>,
+ handler: PeerManager<Peer<'a>>,
+
+ peers: &'a RefCell<[bool; 256]>,
+ funding_txn: Vec<Transaction>,
+ txids_confirmed: HashMap<Sha256dHash, usize>,
+ header_hashes: Vec<Sha256dHash>,
+ height: usize,
+ max_height: usize,
+ blocks_connected: u32,
+}
+impl<'a> MoneyLossDetector<'a> {
+ pub fn new(peers: &'a RefCell<[bool; 256]>, manager: Arc<ChannelManager>, monitor: Arc<channelmonitor::SimpleManyChannelMonitor<OutPoint>>, handler: PeerManager<Peer<'a>>) -> Self {
+ MoneyLossDetector {
+ manager,
+ monitor,
+ handler,
+
+ peers,
+ funding_txn: Vec::new(),
+ txids_confirmed: HashMap::new(),
+ header_hashes: vec![Default::default()],
+ height: 0,
+ max_height: 0,
+ blocks_connected: 0,
+ }
+ }
+
+ fn connect_block(&mut self, all_txn: &[Transaction]) {
+ let mut txn = Vec::with_capacity(all_txn.len());
+ let mut txn_idxs = Vec::with_capacity(all_txn.len());
+ for (idx, tx) in all_txn.iter().enumerate() {
+ let txid = Sha256dHash::from_data(&serialize(tx).unwrap()[..]);
+ match self.txids_confirmed.entry(txid) {
+ hash_map::Entry::Vacant(e) => {
+ e.insert(self.height);
+ txn.push(tx);
+ txn_idxs.push(idx as u32 + 1);
+ },
+ _ => {},
+ }
+ }
+
+ let header = BlockHeader { version: 0x20000000, prev_blockhash: self.header_hashes[self.height], merkle_root: Default::default(), time: self.blocks_connected, bits: 42, nonce: 42 };
+ self.height += 1;
+ self.blocks_connected += 1;
+ self.manager.block_connected(&header, self.height as u32, &txn[..], &txn_idxs[..]);
+ (*self.monitor).block_connected(&header, self.height as u32, &txn[..], &txn_idxs[..]);
+ if self.header_hashes.len() > self.height {
+ self.header_hashes[self.height] = header.bitcoin_hash();
+ } else {
+ assert_eq!(self.header_hashes.len(), self.height);
+ self.header_hashes.push(header.bitcoin_hash());
+ }
+ self.max_height = cmp::max(self.height, self.max_height);
+ }
+
+ fn disconnect_block(&mut self) {
+ if self.height > 0 && (self.max_height < 6 || self.height >= self.max_height - 6) {
+ self.height -= 1;
+ let header = BlockHeader { version: 0x20000000, prev_blockhash: self.header_hashes[self.height], merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 };
+ self.manager.block_disconnected(&header);
+ self.monitor.block_disconnected(&header);
+ let removal_height = self.height;
+ self.txids_confirmed.retain(|_, height| {
+ removal_height != *height
+ });
+ }
+ }
+}
+
+impl<'a> Drop for MoneyLossDetector<'a> {
+ fn drop(&mut self) {
+ if !::std::thread::panicking() {
+ // Disconnect all peers
+ for (idx, peer) in self.peers.borrow().iter().enumerate() {
+ if *peer {
+ self.handler.disconnect_event(&Peer{id: idx as u8, peers_connected: &self.peers});
+ }
+ }
+
+ // Force all channels onto the chain (and time out claim txn)
+ self.manager.force_close_all_channels();
+ }
+ }
+}
+
+struct KeyProvider {
+ node_secret: SecretKey,
+}
+impl KeysInterface for KeyProvider {
+ fn get_node_secret(&self) -> SecretKey {
+ self.node_secret.clone()
+ }
+
+ fn get_destination_script(&self) -> Script {
+ let secp_ctx = Secp256k1::signing_only();
+ let channel_monitor_claim_key = SecretKey::from_slice(&secp_ctx, &hex::decode("0fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff").unwrap()[..]).unwrap();
+ let our_channel_monitor_claim_key_hash = Hash160::from_data(&PublicKey::from_secret_key(&secp_ctx, &channel_monitor_claim_key).serialize());
+ Builder::new().push_opcode(opcodes::All::OP_PUSHBYTES_0).push_slice(&our_channel_monitor_claim_key_hash[..]).into_script()
+ }
+
+ fn get_shutdown_pubkey(&self) -> PublicKey {
+ let secp_ctx = Secp256k1::signing_only();
+ PublicKey::from_secret_key(&secp_ctx, &SecretKey::from_slice(&secp_ctx, &[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]).unwrap())
+ }
+
+ fn get_channel_keys(&self, inbound: bool) -> ChannelKeys {
+ let secp_ctx = Secp256k1::without_caps();
+ if inbound {
+ ChannelKeys {
+ funding_key: SecretKey::from_slice(&secp_ctx, &[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0]).unwrap(),
+ revocation_base_key: SecretKey::from_slice(&secp_ctx, &[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0]).unwrap(),
+ payment_base_key: SecretKey::from_slice(&secp_ctx, &[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0]).unwrap(),
+ delayed_payment_base_key: SecretKey::from_slice(&secp_ctx, &[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 0]).unwrap(),
+ htlc_base_key: SecretKey::from_slice(&secp_ctx, &[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5, 0]).unwrap(),
+ commitment_seed: [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+ }
+ } else {
+ ChannelKeys {
+ funding_key: SecretKey::from_slice(&secp_ctx, &[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]).unwrap(),
+ revocation_base_key: SecretKey::from_slice(&secp_ctx, &[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]).unwrap(),
+ payment_base_key: SecretKey::from_slice(&secp_ctx, &[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]).unwrap(),
+ delayed_payment_base_key: SecretKey::from_slice(&secp_ctx, &[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]).unwrap(),
+ htlc_base_key: SecretKey::from_slice(&secp_ctx, &[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]).unwrap(),
+ commitment_seed: [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+ }
+ }
+ }
}
#[inline]
-pub fn do_test(data: &[u8]) {
+pub fn do_test(data: &[u8], logger: &Arc<Logger>) {
+ reset_rng_state();
+
let input = Arc::new(InputData {
data: data.to_vec(),
read_pos: AtomicUsize::new(0),
Err(_) => return,
};
- let monitor = Arc::new(TestChannelMonitor{});
- let watch = Arc::new(ChainWatchInterfaceUtil::new());
+ let watch = Arc::new(ChainWatchInterfaceUtil::new(Network::Bitcoin, Arc::clone(&logger)));
+ let broadcast = Arc::new(TestBroadcaster{});
+ let monitor = channelmonitor::SimpleManyChannelMonitor::new(watch.clone(), broadcast.clone(), Arc::clone(&logger));
- let channelmanager = ChannelManager::new(our_network_key, slice_to_be32(get_slice!(4)), get_slice!(1)[0] != 0, Network::Bitcoin, fee_est.clone(), monitor.clone(), watch.clone()).unwrap();
- let router = Arc::new(Router::new(PublicKey::from_secret_key(&secp_ctx, &our_network_key).unwrap()));
+ let keys_manager = Arc::new(KeyProvider { node_secret: our_network_key.clone() });
+ let mut config = UserConfig::new();
+ config.channel_options.fee_proportional_millionths = slice_to_be32(get_slice!(4));
+ config.channel_options.announced_channel = get_slice!(1)[0] != 0;
+ config.channel_limits.min_dust_limit_satoshis = 0;
+ let channelmanager = ChannelManager::new(Network::Bitcoin, fee_est.clone(), monitor.clone(), watch.clone(), broadcast.clone(), Arc::clone(&logger), keys_manager.clone(), config).unwrap();
+ let router = Arc::new(Router::new(PublicKey::from_secret_key(&secp_ctx, &keys_manager.get_node_secret()), watch.clone(), Arc::clone(&logger)));
- let handler = PeerManager::new(MessageHandler {
+ let peers = RefCell::new([false; 256]);
+ let mut loss_detector = MoneyLossDetector::new(&peers, channelmanager.clone(), monitor.clone(), PeerManager::new(MessageHandler {
chan_handler: channelmanager.clone(),
route_handler: router.clone(),
- }, our_network_key);
+ }, our_network_key, Arc::clone(&logger)));
- let mut peers = [false; 256];
+ let mut should_forward = false;
+ let mut payments_received: Vec<[u8; 32]> = Vec::new();
+ let mut payments_sent = 0;
+ let mut pending_funding_generation: Vec<([u8; 32], u64, Script)> = Vec::new();
+ let mut pending_funding_signatures = HashMap::new();
+ let mut pending_funding_relay = Vec::new();
loop {
match get_slice!(1)[0] {
0 => {
let mut new_id = 0;
for i in 1..256 {
- if !peers[i-1] {
+ if !peers.borrow()[i-1] {
new_id = i;
break;
}
}
if new_id == 0 { return; }
- peers[new_id - 1] = true;
- handler.new_outbound_connection(get_pubkey!(), Peer{id: (new_id - 1) as u8}).unwrap();
+ loss_detector.handler.new_outbound_connection(get_pubkey!(), Peer{id: (new_id - 1) as u8, peers_connected: &peers}).unwrap();
+ peers.borrow_mut()[new_id - 1] = true;
},
1 => {
let mut new_id = 0;
for i in 1..256 {
- if !peers[i-1] {
+ if !peers.borrow()[i-1] {
new_id = i;
break;
}
}
if new_id == 0 { return; }
- peers[new_id - 1] = true;
- handler.new_inbound_connection(Peer{id: (new_id - 1) as u8}).unwrap();
+ loss_detector.handler.new_inbound_connection(Peer{id: (new_id - 1) as u8, peers_connected: &peers}).unwrap();
+ peers.borrow_mut()[new_id - 1] = true;
},
2 => {
let peer_id = get_slice!(1)[0];
- if !peers[peer_id as usize] { return; }
- peers[peer_id as usize] = false;
- handler.disconnect_event(&Peer{id: peer_id});
+ if !peers.borrow()[peer_id as usize] { return; }
+ loss_detector.handler.disconnect_event(&Peer{id: peer_id, peers_connected: &peers});
+ peers.borrow_mut()[peer_id as usize] = false;
},
3 => {
let peer_id = get_slice!(1)[0];
- if !peers[peer_id as usize] { return; }
- match handler.read_event(&mut Peer{id: peer_id}, get_slice!(get_slice!(1)[0]).to_vec()) {
+ if !peers.borrow()[peer_id as usize] { return; }
+ match loss_detector.handler.read_event(&mut Peer{id: peer_id, peers_connected: &peers}, get_slice!(get_slice!(1)[0]).to_vec()) {
Ok(res) => assert!(!res),
- Err(_) => { peers[peer_id as usize] = false; }
+ Err(_) => { peers.borrow_mut()[peer_id as usize] = false; }
+ }
+ },
+ 4 => {
+ let value = slice_to_be24(get_slice!(3)) as u64;
+ let route = match router.get_route(&get_pubkey!(), None, &Vec::new(), value, 42) {
+ Ok(route) => route,
+ Err(_) => return,
+ };
+ let mut payment_hash = [0; 32];
+ payment_hash[0..8].copy_from_slice(&be64_to_array(payments_sent));
+ let mut sha = Sha256::new();
+ sha.input(&payment_hash);
+ sha.result(&mut payment_hash);
+ payments_sent += 1;
+ match channelmanager.send_payment(route, payment_hash) {
+ Ok(_) => {},
+ Err(_) => return,
+ }
+ },
+ 5 => {
+ let peer_id = get_slice!(1)[0];
+ if !peers.borrow()[peer_id as usize] { return; }
+ let their_key = get_pubkey!();
+ let chan_value = slice_to_be24(get_slice!(3)) as u64;
+ let push_msat_value = slice_to_be24(get_slice!(3)) as u64;
+ if channelmanager.create_channel(their_key, chan_value, push_msat_value, 0).is_err() { return; }
+ },
+ 6 => {
+ let mut channels = channelmanager.list_channels();
+ let channel_id = get_slice!(1)[0] as usize;
+ if channel_id >= channels.len() { return; }
+ channels.sort_by(|a, b| { a.channel_id.cmp(&b.channel_id) });
+ if channelmanager.close_channel(&channels[channel_id].channel_id).is_err() { return; }
+ },
+ 7 => {
+ if should_forward {
+ channelmanager.process_pending_htlc_forwards();
+ should_forward = false;
+ }
+ },
+ 8 => {
+ for payment in payments_received.drain(..) {
+ // SHA256 is defined as XOR of all input bytes placed in the first byte, and 0s
+ // for the remaining bytes. Thus, if not all remaining bytes are 0s we cannot
+ // fulfill this HTLC, but if they are, we can just take the first byte and
+ // place that anywhere in our preimage.
+ if &payment[1..] != &[0; 31] {
+ channelmanager.fail_htlc_backwards(&payment, PaymentFailReason::PreimageUnknown);
+ } else {
+ let mut payment_preimage = [0; 32];
+ payment_preimage[0] = payment[0];
+ channelmanager.claim_funds(payment_preimage);
+ }
+ }
+ },
+ 9 => {
+ for payment in payments_received.drain(..) {
+ channelmanager.fail_htlc_backwards(&payment, PaymentFailReason::PreimageUnknown);
}
},
+ 10 => {
+ 'outer_loop: for funding_generation in pending_funding_generation.drain(..) {
+ let mut tx = Transaction { version: 0, lock_time: 0, input: Vec::new(), output: vec![TxOut {
+ value: funding_generation.1, script_pubkey: funding_generation.2,
+ }] };
+ let funding_output = 'search_loop: loop {
+ let funding_txid = Sha256dHash::from_data(&serialize(&tx).unwrap()[..]);
+ if let None = loss_detector.txids_confirmed.get(&funding_txid) {
+ let outpoint = OutPoint::new(funding_txid, 0);
+ for chan in channelmanager.list_channels() {
+ if chan.channel_id == outpoint.to_channel_id() {
+ tx.version += 1;
+ continue 'search_loop;
+ }
+ }
+ break outpoint;
+ }
+ tx.version += 1;
+ if tx.version > 0xff {
+ continue 'outer_loop;
+ }
+ };
+ channelmanager.funding_transaction_generated(&funding_generation.0, funding_output.clone());
+ pending_funding_signatures.insert(funding_output, tx);
+ }
+ },
+ 11 => {
+ if !pending_funding_relay.is_empty() {
+ loss_detector.connect_block(&pending_funding_relay[..]);
+ for _ in 2..100 {
+ loss_detector.connect_block(&[]);
+ }
+ }
+ for tx in pending_funding_relay.drain(..) {
+ loss_detector.funding_txn.push(tx);
+ }
+ },
+ 12 => {
+ let txlen = slice_to_be16(get_slice!(2));
+ if txlen == 0 {
+ loss_detector.connect_block(&[]);
+ } else {
+ let txres: Result<Transaction, _> = deserialize(get_slice!(txlen));
+ if let Ok(tx) = txres {
+ loss_detector.connect_block(&[tx]);
+ } else {
+ return;
+ }
+ }
+ },
+ 13 => {
+ loss_detector.disconnect_block();
+ },
+ 14 => {
+ let mut channels = channelmanager.list_channels();
+ let channel_id = get_slice!(1)[0] as usize;
+ if channel_id >= channels.len() { return; }
+ channels.sort_by(|a, b| { a.channel_id.cmp(&b.channel_id) });
+ channelmanager.force_close_channel(&channels[channel_id].channel_id);
+ },
_ => return,
}
+ loss_detector.handler.process_events();
+ for event in loss_detector.manager.get_and_clear_pending_events() {
+ match event {
+ Event::FundingGenerationReady { temporary_channel_id, channel_value_satoshis, output_script, .. } => {
+ pending_funding_generation.push((temporary_channel_id, channel_value_satoshis, output_script));
+ },
+ Event::FundingBroadcastSafe { funding_txo, .. } => {
+ pending_funding_relay.push(pending_funding_signatures.remove(&funding_txo).unwrap());
+ },
+ Event::PaymentReceived { payment_hash, .. } => {
+ payments_received.push(payment_hash);
+ },
+ Event::PaymentSent {..} => {},
+ Event::PaymentFailed {..} => {},
+ Event::PendingHTLCsForwardable {..} => {
+ should_forward = true;
+ },
+ Event::SpendableOutputs {..} => {},
+ }
+ }
}
}
#[cfg(feature = "afl")]
-extern crate afl;
+#[macro_use] extern crate afl;
#[cfg(feature = "afl")]
fn main() {
- afl::read_stdio_bytes(|data| {
- do_test(&data);
+ fuzz!(|data| {
+ let logger: Arc<Logger> = Arc::new(test_logger::TestLogger{});
+ do_test(data, &logger);
});
}
fn main() {
loop {
fuzz!(|data| {
- do_test(data);
+ let logger: Arc<Logger> = Arc::new(test_logger::TestLogger{});
+ do_test(data, &logger);
});
}
}
+extern crate hex;
#[cfg(test)]
mod tests {
- fn extend_vec_from_hex(hex: &str, out: &mut Vec<u8>) {
- let mut b = 0;
- for (idx, c) in hex.as_bytes().iter().enumerate() {
- b <<= 4;
- match *c {
- b'A'...b'F' => b |= c - b'A' + 10,
- b'a'...b'f' => b |= c - b'a' + 10,
- b'0'...b'9' => b |= c - b'0',
- _ => panic!("Bad hex"),
- }
- if (idx & 1) == 1 {
- out.push(b);
- b = 0;
- }
+ use utils::test_logger;
+ use lightning::util::logger::{Logger, Record};
+ use std::collections::HashMap;
+ use std::sync::{Arc, Mutex};
+
+ #[test]
+ fn duplicate_crash() {
+ let logger: Arc<Logger> = Arc::new(test_logger::TestLogger{});
+ super::do_test(&::hex::decode("00").unwrap(), &logger);
+ }
+
+ struct TrackingLogger {
+ /// (module, message) -> count
+ pub lines: Mutex<HashMap<(String, String), usize>>,
+ }
+ impl Logger for TrackingLogger {
+ fn log(&self, record: &Record) {
+ *self.lines.lock().unwrap().entry((record.module_path.to_string(), format!("{}", record.args))).or_insert(0) += 1;
+ println!("{:<5} [{} : {}, {}] {}", record.level.to_string(), record.module_path, record.file, record.line, record.args);
}
}
#[test]
- fn duplicate_crash() {
- let mut a = Vec::new();
- extend_vec_from_hex("00", &mut a);
- super::do_test(&a);
+ fn test_no_existing_test_breakage() {
+ // To avoid accidentally causing all existing fuzz test cases to be useless by making minor
+ // changes (such as requesting feerate info in a new place), we run a pretty full
+ // step-through with two peers and HTLC forwarding here. Obviously this is pretty finicky,
+ // so this should be updated pretty liberally, but at least we'll know when changes occur.
+ // If nothing else, this test serves as a pretty great initial full_stack_target seed.
+
+ // What each byte represents is broken down below, and then everything is concatenated into
+ // one large test at the end (you want %s/ -.*//g %s/\n\| \|\t\|\///g).
+
+ // 0000000000000000000000000000000000000000000000000000000000000000 - our network key
+ // 00000000 - fee_proportional_millionths
+ // 01 - announce_channels_publicly
+ //
+ // 00 - new outbound connection with id 0
+ // 030000000000000000000000000000000000000000000000000000000000000000 - peer's pubkey
+ // 030032 - inbound read from peer id 0 of len 50
+ // 00 030000000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - noise act two (0||pubkey||mac)
+ //
+ // 030012 - inbound read from peer id 0 of len 18
+ // 0006 03000000000000000000000000000000 - message header indicating message length 6
+ // 030016 - inbound read from peer id 0 of len 22
+ // 0010 00000000 03000000000000000000000000000000 - init message with no features (type 16)
+ //
+ // 030012 - inbound read from peer id 0 of len 18
+ // 0141 03000000000000000000000000000000 - message header indicating message length 321
+ // 0300fe - inbound read from peer id 0 of len 254
+ // 0020 7500000000000000000000000000000000000000000000000000000000000000 ff4f00f805273c1b203bb5ebf8436bfde57b3be8c2f5e95d9491dbb181909679 000000000000c350 0000000000000000 0000000000000222 ffffffffffffffff 0000000000000222 0000000000000000 000000fd 0006 01e3 030000000000000000000000000000000000000000000000000000000000000001 030000000000000000000000000000000000000000000000000000000000000002 030000000000000000000000000000000000000000000000000000000000000003 030000000000000000000000000000000000000000000000000000000000000004 - beginning of open_channel message
+ // 030053 - inbound read from peer id 0 of len 83
+ // 030000000000000000000000000000000000000000000000000000000000000005 030000000000000000000000000000000000000000000000000000000000000000 01 03000000000000000000000000000000 - rest of open_channel and mac
+ //
+ // 00fd00fd00fd - Three feerate requests (all returning min feerate, which our open_channel also uses)
+ // - client should now respond with accept_channel (CHECK 1: type 33 to peer 03000000)
+ //
+ // 030012 - inbound read from peer id 0 of len 18
+ // 0084 03000000000000000000000000000000 - message header indicating message length 132
+ // 030094 - inbound read from peer id 0 of len 148
+ // 0022 ff4f00f805273c1b203bb5ebf8436bfde57b3be8c2f5e95d9491dbb181909679 3d00000000000000000000000000000000000000000000000000000000000000 0000 36000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001 03000000000000000000000000000000 - funding_created and mac
+ // - client should now respond with funding_signed (CHECK 2: type 35 to peer 03000000)
+ //
+ // 0c005e - connect a block with one transaction of len 94
+ // 020000000100000000000000000000000000000000000000000000000000000000000000000000000000ffffffff0150c3000000000000220020ae0000000000000000000000000000000000000000000000000000000000000000000000 - the funding transaction
+ // 0c0000 - connect a block with no transactions
+ // 0c0000 - connect a block with no transactions
+ // 0c0000 - connect a block with no transactions
+ // 0c0000 - connect a block with no transactions
+ // 0c0000 - connect a block with no transactions
+ // 0c0000 - connect a block with no transactions
+ // 0c0000 - connect a block with no transactions
+ // 0c0000 - connect a block with no transactions
+ // 0c0000 - connect a block with no transactions
+ // 0c0000 - connect a block with no transactions
+ // 0c0000 - connect a block with no transactions
+ // 0c0000 - connect a block with no transactions
+ // - by now client should have sent a funding_locked (CHECK 3: SendFundingLocked to 03000000 for chan 3d000000)
+ //
+ // 030012 - inbound read from peer id 0 of len 18
+ // 0043 03000000000000000000000000000000 - message header indicating message length 67
+ // 030053 - inbound read from peer id 0 of len 83
+ // 0024 3d00000000000000000000000000000000000000000000000000000000000000 030100000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - funding_locked and mac
+ //
+ // 01 - new inbound connection with id 1
+ // 030132 - inbound read from peer id 1 of len 50
+ // 0003000000000000000000000000000000000000000000000000000000000000000003000000000000000000000000000000 - inbound noise act 1
+ // 030142 - inbound read from peer id 1 of len 66
+ // 000302000000000000000000000000000000000000000000000000000000000000000300000000000000000000000000000003000000000000000000000000000000 - inbound noise act 3
+ //
+ // 030112 - inbound read from peer id 1 of len 18
+ // 0006 01000000000000000000000000000000 - message header indicating message length 6
+ // 030116 - inbound read from peer id 1 of len 22
+ // 0010 00000000 01000000000000000000000000000000 - init message with no features (type 16)
+ //
+ // 05 01 030200000000000000000000000000000000000000000000000000000000000000 00c350 0003e8 - create outbound channel to peer 1 for 50k sat
+ // 00fd00fd00fd - Three feerate requests (all returning min feerate)
+ //
+ // 030112 - inbound read from peer id 1 of len 18
+ // 0110 01000000000000000000000000000000 - message header indicating message length 272
+ // 0301ff - inbound read from peer id 1 of len 255
+ // 0021 0200000000000000020000000000000002000000000000000200000000000000 000000000000001a 00000000004c4b40 00000000000003e8 00000000000003e8 00000002 03f0 0005 030000000000000000000000000000000000000000000000000000000000000100 030000000000000000000000000000000000000000000000000000000000000200 030000000000000000000000000000000000000000000000000000000000000300 030000000000000000000000000000000000000000000000000000000000000400 030000000000000000000000000000000000000000000000000000000000000500 03000000000000000000000000000000 - beginning of accept_channel
+ // 030121 - inbound read from peer id 1 of len 33
+ // 0000000000000000000000000000000000 01000000000000000000000000000000 - rest of accept_channel and mac
+ //
+ // 0a - create the funding transaction (client should send funding_created now)
+ //
+ // 030112 - inbound read from peer id 1 of len 18
+ // 0062 01000000000000000000000000000000 - message header indicating message length 98
+ // 030172 - inbound read from peer id 1 of len 114
+ // 0023 3f00000000000000000000000000000000000000000000000000000000000000f6000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100 01000000000000000000000000000000 - funding_signed message and mac
+ //
+ // 0b - broadcast funding transaction
+ // - by now client should have sent a funding_locked (CHECK 4: SendFundingLocked to 03020000 for chan 3f000000)
+ //
+ // 030112 - inbound read from peer id 1 of len 18
+ // 0043 01000000000000000000000000000000 - message header indicating message length 67
+ // 030153 - inbound read from peer id 1 of len 83
+ // 0024 3f00000000000000000000000000000000000000000000000000000000000000 030100000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - funding_locked and mac
+ //
+ // 030012 - inbound read from peer id 0 of len 18
+ // 05ac 03000000000000000000000000000000 - message header indicating message length 1452
+ // 0300ff - inbound read from peer id 0 of len 255
+ // 0080 3d00000000000000000000000000000000000000000000000000000000000000 0000000000000000 0000000000003e80 ff00000000000000000000000000000000000000000000000000000000000000 00000121 00 030000000000000000000000000000000000000000000000000000000000000555 0000000e000001000000000000000003e8000000010000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000 ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff - beginning of update_add_htlc from 0 to 1 via client
+ // 0300ff - inbound read from peer id 0 of len 255
+ // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
+ // 0300ff - inbound read from peer id 0 of len 255
+ // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
+ // 0300ff - inbound read from peer id 0 of len 255
+ // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
+ // 0300ff - inbound read from peer id 0 of len 255
+ // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
+ // 0300c1 - inbound read from peer id 0 of len 193
+ // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff ef00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - end of update_add_htlc from 0 to 1 via client and mac
+ //
+ // 00fd - A feerate request (returning min feerate, which our open_channel also uses)
+ //
+ // 030012 - inbound read from peer id 0 of len 18
+ // 0064 03000000000000000000000000000000 - message header indicating message length 100
+ // 030074 - inbound read from peer id 0 of len 116
+ // 0084 3d00000000000000000000000000000000000000000000000000000000000000 27000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001 0000 03000000000000000000000000000000 - commitment_signed and mac
+ // - client should now respond with revoke_and_ack and commitment_signed (CHECK 5/6: types 133 and 132 to peer 03000000)
+ //
+ // 030012 - inbound read from peer id 0 of len 18
+ // 0063 03000000000000000000000000000000 - message header indicating message length 99
+ // 030073 - inbound read from peer id 0 of len 115
+ // 0085 3d00000000000000000000000000000000000000000000000000000000000000 0000000000000000000000000000000000000000000000000000000000000000 030200000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - revoke_and_ack and mac
+ //
+ // 07 - process the now-pending HTLC forward
+ // - client now sends id 1 update_add_htlc and commitment_signed (CHECK 7: SendHTLCs event for node 03020000 with 1 HTLCs for channel 3f000000)
+ //
+ // - we respond with commitment_signed then revoke_and_ack (a weird, but valid, order)
+ // 030112 - inbound read from peer id 1 of len 18
+ // 0064 01000000000000000000000000000000 - message header indicating message length 100
+ // 030174 - inbound read from peer id 1 of len 116
+ // 0084 3f00000000000000000000000000000000000000000000000000000000000000 f7000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100 0000 01000000000000000000000000000000 - commitment_signed and mac
+ //
+ // 030112 - inbound read from peer id 1 of len 18
+ // 0063 01000000000000000000000000000000 - message header indicating message length 99
+ // 030173 - inbound read from peer id 1 of len 115
+ // 0085 3f00000000000000000000000000000000000000000000000000000000000000 0000000000000000000000000000000000000000000000000000000000000000 030200000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - revoke_and_ack and mac
+ //
+ // 030112 - inbound read from peer id 1 of len 18
+ // 004a 01000000000000000000000000000000 - message header indicating message length 74
+ // 03015a - inbound read from peer id 1 of len 90
+ // 0082 3f00000000000000000000000000000000000000000000000000000000000000 0000000000000000 ff00888888888888888888888888888888888888888888888888888888888888 01000000000000000000000000000000 - update_fulfill_htlc and mac
+ // - client should immediately claim the pending HTLC from peer 0 (CHECK 8: SendFulfillHTLCs for node 03000000 with preimage ff00888888 for channel 3d000000)
+ //
+ // 030112 - inbound read from peer id 1 of len 18
+ // 0064 01000000000000000000000000000000 - message header indicating message length 100
+ // 030174 - inbound read from peer id 1 of len 116
+ // 0084 3f00000000000000000000000000000000000000000000000000000000000000 fb000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100 0000 01000000000000000000000000000000 - commitment_signed and mac
+ //
+ // 030112 - inbound read from peer id 1 of len 18
+ // 0063 01000000000000000000000000000000 - message header indicating message length 99
+ // 030173 - inbound read from peer id 1 of len 115
+ // 0085 3f00000000000000000000000000000000000000000000000000000000000000 0100000000000000000000000000000000000000000000000000000000000000 030300000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - revoke_and_ack and mac
+ //
+ // - before responding to the commitment_signed generated above, send a new HTLC
+ // 030012 - inbound read from peer id 0 of len 18
+ // 05ac 03000000000000000000000000000000 - message header indicating message length 1452
+ // 0300ff - inbound read from peer id 0 of len 255
+ // 0080 3d00000000000000000000000000000000000000000000000000000000000000 0000000000000001 0000000000003e80 ff00000000000000000000000000000000000000000000000000000000000000 00000121 00 030000000000000000000000000000000000000000000000000000000000000555 0000000e000001000000000000000003e8000000010000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000 ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff - beginning of update_add_htlc from 0 to 1 via client
+ // 0300ff - inbound read from peer id 0 of len 255
+ // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
+ // 0300ff - inbound read from peer id 0 of len 255
+ // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
+ // 0300ff - inbound read from peer id 0 of len 255
+ // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
+ // 0300ff - inbound read from peer id 0 of len 255
+ // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
+ // 0300c1 - inbound read from peer id 0 of len 193
+ // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff ef00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - end of update_add_htlc from 0 to 1 via client and mac
+ //
+ // 00fd - A feerate request (returning min feerate, which our open_channel also uses)
+ //
+ // - now respond to the update_fulfill_htlc+commitment_signed messages the client sent to peer 0
+ // 030012 - inbound read from peer id 0 of len 18
+ // 0063 03000000000000000000000000000000 - message header indicating message length 99
+ // 030073 - inbound read from peer id 0 of len 115
+ // 0085 3d00000000000000000000000000000000000000000000000000000000000000 0100000000000000000000000000000000000000000000000000000000000000 030300000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - revoke_and_ack and mac
+ // - client should now respond with revoke_and_ack and commitment_signed (CHECK 5/6 duplicates)
+ //
+ // 030012 - inbound read from peer id 0 of len 18
+ // 0064 03000000000000000000000000000000 - message header indicating message length 100
+ // 030074 - inbound read from peer id 0 of len 116
+ // 0084 3d00000000000000000000000000000000000000000000000000000000000000 d4000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001 0000 03000000000000000000000000000000 - commitment_signed and mac
+ //
+ // 030012 - inbound read from peer id 0 of len 18
+ // 0063 03000000000000000000000000000000 - message header indicating message length 99
+ // 030073 - inbound read from peer id 0 of len 115
+ // 0085 3d00000000000000000000000000000000000000000000000000000000000000 0200000000000000000000000000000000000000000000000000000000000000 030400000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - revoke_and_ack and mac
+ //
+ // 07 - process the now-pending HTLC forward
+ // - client now sends id 1 update_add_htlc and commitment_signed (CHECK 7 duplicate)
+ // - we respond with revoke_and_ack, then commitment_signed, then update_fail_htlc
+ //
+ // 030112 - inbound read from peer id 1 of len 18
+ // 0064 01000000000000000000000000000000 - message header indicating message length 100
+ // 030174 - inbound read from peer id 1 of len 116
+ // 0084 3f00000000000000000000000000000000000000000000000000000000000000 fa000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100 0000 01000000000000000000000000000000 - commitment_signed and mac
+ //
+ // 030112 - inbound read from peer id 1 of len 18
+ // 0063 01000000000000000000000000000000 - message header indicating message length 99
+ // 030173 - inbound read from peer id 1 of len 115
+ // 0085 3f00000000000000000000000000000000000000000000000000000000000000 0200000000000000000000000000000000000000000000000000000000000000 030400000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - revoke_and_ack and mac
+ //
+ // 030112 - inbound read from peer id 1 of len 18
+ // 002c 01000000000000000000000000000000 - message header indicating message length 44
+ // 03013c - inbound read from peer id 1 of len 60
+ // 0083 3f00000000000000000000000000000000000000000000000000000000000000 0000000000000001 0000 01000000000000000000000000000000 - update_fail_htlc and mac
+ //
+ // 030112 - inbound read from peer id 1 of len 18
+ // 0064 01000000000000000000000000000000 - message header indicating message length 100
+ // 030174 - inbound read from peer id 1 of len 116
+ // 0084 3f00000000000000000000000000000000000000000000000000000000000000 fd000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100 0000 01000000000000000000000000000000 - commitment_signed and mac
+ //
+ // 030112 - inbound read from peer id 1 of len 18
+ // 0063 01000000000000000000000000000000 - message header indicating message length 99
+ // 030173 - inbound read from peer id 1 of len 115
+ // 0085 3f00000000000000000000000000000000000000000000000000000000000000 0300000000000000000000000000000000000000000000000000000000000000 030500000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - revoke_and_ack and mac
+ //
+ // - client now sends id 0 update_fail_htlc and commitment_signed (CHECK 9)
+ // - now respond to the update_fail_htlc+commitment_signed messages the client sent to peer 0
+ // 030012 - inbound read from peer id 0 of len 18
+ // 0063 03000000000000000000000000000000 - message header indicating message length 99
+ // 030073 - inbound read from peer id 0 of len 115
+ // 0085 3d00000000000000000000000000000000000000000000000000000000000000 0300000000000000000000000000000000000000000000000000000000000000 030500000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - revoke_and_ack and mac
+ //
+ // 030012 - inbound read from peer id 0 of len 18
+ // 0064 03000000000000000000000000000000 - message header indicating message length 100
+ // 030074 - inbound read from peer id 0 of len 116
+ // 0084 3d00000000000000000000000000000000000000000000000000000000000000 25000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001 0000 03000000000000000000000000000000 - commitment_signed and mac
+ // - client should now respond with revoke_and_ack (CHECK 5 duplicate)
+ //
+ // 030012 - inbound read from peer id 0 of len 18
+ // 05ac 03000000000000000000000000000000 - message header indicating message length 1452
+ // 0300ff - inbound read from peer id 0 of len 255
+ // 0080 3d00000000000000000000000000000000000000000000000000000000000000 0000000000000002 00000000000b0838 ff00000000000000000000000000000000000000000000000000000000000000 00000121 00 030000000000000000000000000000000000000000000000000000000000000555 0000000e0000010000000000000003e800000000010000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000 ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff - beginning of update_add_htlc from 0 to 1 via client
+ // 0300ff - inbound read from peer id 0 of len 255
+ // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
+ // 0300ff - inbound read from peer id 0 of len 255
+ // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
+ // 0300ff - inbound read from peer id 0 of len 255
+ // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
+ // 0300ff - inbound read from peer id 0 of len 255
+ // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
+ // 0300c1 - inbound read from peer id 0 of len 193
+ // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff ef00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - end of update_add_htlc from 0 to 1 via client and mac
+ //
+ // 00fd - A feerate request (returning min feerate, which our open_channel also uses)
+ //
+ // 030012 - inbound read from peer id 0 of len 18
+ // 00a4 03000000000000000000000000000000 - message header indicating message length 164
+ // 0300b4 - inbound read from peer id 0 of len 180
+ // 0084 3d00000000000000000000000000000000000000000000000000000000000000 10000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001 0001 b5000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000d 00000000000000 03000000000000000000000000000000 - commitment_signed and mac
+ // - client should now respond with revoke_and_ack and commitment_signed (CHECK 5/6 duplicates)
+ //
+ // 030012 - inbound read from peer id 0 of len 18
+ // 0063 03000000000000000000000000000000 - message header indicating message length 99
+ // 030073 - inbound read from peer id 0 of len 115
+ // 0085 3d00000000000000000000000000000000000000000000000000000000000000 0400000000000000000000000000000000000000000000000000000000000000 030600000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - revoke_and_ack and mac
+ //
+ // 07 - process the now-pending HTLC forward
+ // - client now sends id 1 update_add_htlc and commitment_signed (CHECK 7 duplicate)
+ //
+ // 0c007d - connect a block with one transaction of len 125
+ // 02000000013f00000000000000000000000000000000000000000000000000000000000000000000000000000080020001000000000000220020ed000000000000000000000000000000000000000000000000000000000000006cc10000000000001600142b88e0198963bf4c37de498583a3ccdb9d67e97405000020 - the funding transaction
+ // 00fd - A feerate request (returning min feerate, which our open_channel also uses)
+ // 0c005e - connect a block with one transaction of len 94
+ // 0200000001ec00000000000000000000000000000000000000000000000000000000000000000000000000000000014f00000000000000220020f60000000000000000000000000000000000000000000000000000000000000000000000 - the funding transaction
+
+ let logger = Arc::new(TrackingLogger { lines: Mutex::new(HashMap::new()) });
+ super::do_test(&::hex::decode("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&(Arc::clone(&logger) as Arc<Logger>));
+
+ let log_entries = logger.lines.lock().unwrap();
+ assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Handling SendAcceptChannel event in peer_handler for node 030000000000000000000000000000000000000000000000000000000000000000 for channel ff4f00f805273c1b203bb5ebf8436bfde57b3be8c2f5e95d9491dbb181909679".to_string())), Some(&1)); // 1
+ assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Handling SendFundingSigned event in peer_handler for node 030000000000000000000000000000000000000000000000000000000000000000 for channel 3d00000000000000000000000000000000000000000000000000000000000000".to_string())), Some(&1)); // 2
+ assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Handling SendFundingLocked event in peer_handler for node 030000000000000000000000000000000000000000000000000000000000000000 for channel 3d00000000000000000000000000000000000000000000000000000000000000".to_string())), Some(&1)); // 3
+ assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Handling SendFundingLocked event in peer_handler for node 030200000000000000000000000000000000000000000000000000000000000000 for channel 3f00000000000000000000000000000000000000000000000000000000000000".to_string())), Some(&1)); // 4
+ assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Handling SendRevokeAndACK event in peer_handler for node 030000000000000000000000000000000000000000000000000000000000000000 for channel 3d00000000000000000000000000000000000000000000000000000000000000".to_string())), Some(&4)); // 5
+ assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Handling UpdateHTLCs event in peer_handler for node 030000000000000000000000000000000000000000000000000000000000000000 with 0 adds, 0 fulfills, 0 fails for channel 3d00000000000000000000000000000000000000000000000000000000000000".to_string())), Some(&3)); // 6
+ assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Handling UpdateHTLCs event in peer_handler for node 030200000000000000000000000000000000000000000000000000000000000000 with 1 adds, 0 fulfills, 0 fails for channel 3f00000000000000000000000000000000000000000000000000000000000000".to_string())), Some(&3)); // 7
+ assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Handling UpdateHTLCs event in peer_handler for node 030000000000000000000000000000000000000000000000000000000000000000 with 0 adds, 1 fulfills, 0 fails for channel 3d00000000000000000000000000000000000000000000000000000000000000".to_string())), Some(&1)); // 8
+ assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Handling UpdateHTLCs event in peer_handler for node 030000000000000000000000000000000000000000000000000000000000000000 with 0 adds, 0 fulfills, 1 fails for channel 3d00000000000000000000000000000000000000000000000000000000000000".to_string())), Some(&1)); // 9
}
}