From: Matt Corallo Date: Fri, 17 Aug 2018 21:38:43 +0000 (-0400) Subject: Expand full_stack_target somewhat X-Git-Tag: v0.0.12~345^2~3 X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=commitdiff_plain;h=9f2c67ae6099aad80a4389747c44a48e1bd5c69f;p=rust-lightning Expand full_stack_target somewhat --- diff --git a/fuzz/fuzz_targets/full_stack_target.rs b/fuzz/fuzz_targets/full_stack_target.rs index 9ce82aeb0..2f8ed52f5 100644 --- a/fuzz/fuzz_targets/full_stack_target.rs +++ b/fuzz/fuzz_targets/full_stack_target.rs @@ -7,7 +7,7 @@ use bitcoin::blockdata::block::BlockHeader; use bitcoin::blockdata::transaction::{Transaction, TxOut}; use bitcoin::blockdata::script::Script; use bitcoin::network::constants::Network; -use bitcoin::network::serialize::{serialize, BitcoinHash}; +use bitcoin::network::serialize::{deserialize, serialize, BitcoinHash}; use bitcoin::util::hash::Sha256dHash; use crypto::digest::Digest; @@ -32,6 +32,7 @@ use secp256k1::Secp256k1; use std::cell::RefCell; use std::collections::HashMap; +use std::cmp; use std::hash::Hash; use std::sync::Arc; use std::sync::atomic::{AtomicUsize,Ordering}; @@ -92,20 +93,12 @@ impl FeeEstimator for FuzzEstimator { 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 * 250, + 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: OutPoint, _monitor: channelmonitor::ChannelMonitor) -> Result<(), channelmonitor::ChannelMonitorUpdateErr> { - //TODO! - Ok(()) - } -} - struct TestBroadcaster {} impl BroadcasterInterface for TestBroadcaster { fn broadcast_transaction(&self, _tx: &Transaction) {} @@ -138,6 +131,71 @@ impl<'a> Hash for Peer<'a> { } } +struct MoneyLossDetector<'a> { + manager: Arc, + monitor: Arc>, + handler: PeerManager>, + + peers: &'a RefCell<[bool; 256]>, + funding_txn: Vec, + header_hashes: Vec, + height: usize, + max_height: usize, + +} +impl<'a> MoneyLossDetector<'a> { + pub fn new(peers: &'a RefCell<[bool; 256]>, manager: Arc, monitor: Arc>, handler: PeerManager>) -> Self { + MoneyLossDetector { + manager, + monitor, + handler, + + peers, + funding_txn: Vec::new(), + header_hashes: vec![Default::default()], + height: 0, + max_height: 0, + } + } + + fn connect_block(&mut self, txn: &[&Transaction], txn_idxs: &[u32]) { + let header = BlockHeader { version: 0x20000000, prev_blockhash: self.header_hashes[self.height], merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; + self.height += 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); + } + } +} + +impl<'a> Drop for MoneyLossDetector<'a> { + fn drop(&mut self) { + // 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(); + } +} + #[inline] pub fn do_test(data: &[u8]) { reset_rng_state(); @@ -175,18 +233,18 @@ pub fn do_test(data: &[u8]) { }; let logger: Arc = Arc::new(test_logger::TestLogger{}); - let monitor = Arc::new(TestChannelMonitor{}); let watch = Arc::new(ChainWatchInterfaceUtil::new(Arc::clone(&logger))); let broadcast = Arc::new(TestBroadcaster{}); + let monitor = channelmonitor::SimpleManyChannelMonitor::new(watch.clone(), broadcast.clone()); 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(), broadcast.clone(), Arc::clone(&logger)).unwrap(); let router = Arc::new(Router::new(PublicKey::from_secret_key(&secp_ctx, &our_network_key).unwrap(), Arc::clone(&logger))); let peers = RefCell::new([false; 256]); - let handler = PeerManager::new(MessageHandler { + 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, Arc::clone(&logger)); + }, our_network_key, Arc::clone(&logger))); let mut should_forward = false; let mut payments_received: Vec<[u8; 32]> = Vec::new(); @@ -206,8 +264,8 @@ pub fn do_test(data: &[u8]) { } } if new_id == 0 { return; } + 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; - handler.new_outbound_connection(get_pubkey!(), Peer{id: (new_id - 1) as u8, peers_connected: &peers}).unwrap(); }, 1 => { let mut new_id = 0; @@ -218,19 +276,19 @@ pub fn do_test(data: &[u8]) { } } if new_id == 0 { return; } + loss_detector.handler.new_inbound_connection(Peer{id: (new_id - 1) as u8, peers_connected: &peers}).unwrap(); peers.borrow_mut()[new_id - 1] = true; - handler.new_inbound_connection(Peer{id: (new_id - 1) as u8, peers_connected: &peers}).unwrap(); }, 2 => { let peer_id = get_slice!(1)[0]; 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; - handler.disconnect_event(&Peer{id: peer_id, peers_connected: &peers}); }, 3 => { let peer_id = get_slice!(1)[0]; if !peers.borrow()[peer_id as usize] { return; } - match handler.read_event(&mut Peer{id: peer_id, peers_connected: &peers}, get_slice!(get_slice!(1)[0]).to_vec()) { + 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.borrow_mut()[peer_id as usize] = false; } } @@ -270,7 +328,6 @@ pub fn do_test(data: &[u8]) { 7 => { if should_forward { channelmanager.process_pending_htlc_forwards(); - handler.process_events(); should_forward = false; } }, @@ -321,20 +378,36 @@ pub fn do_test(data: &[u8]) { txn_idxs.push(idx as u32 + 1); } - let mut header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; - channelmanager.block_connected(&header, 1, &txn[..], &txn_idxs[..]); - txn.clear(); + loss_detector.connect_block(&txn[..], &txn_idxs[..]); txn_idxs.clear(); - for i in 2..100 { - header = BlockHeader { version: 0x20000000, prev_blockhash: header.bitcoin_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; - channelmanager.block_connected(&header, i, &txn[..], &txn_idxs[..]); + for _ in 2..100 { + loss_detector.connect_block(&txn[..], &txn_idxs[..]); } } - pending_funding_relay.clear(); + 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 = deserialize(get_slice!(txlen)); + if let Ok(tx) = txres { + loss_detector.connect_block(&[&tx], &[1]); + } else { + return; + } + } + }, + 13 => { + loss_detector.disconnect_block(); }, _ => return, } - for event in handler.get_and_clear_pending_events() { + loss_detector.handler.process_events(); + for event in loss_detector.handler.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));