extern crate bitcoin;
+extern crate crypto;
extern crate lightning;
extern crate secp256k1;
-use bitcoin::blockdata::transaction::Transaction;
+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::util::hash::Sha256dHash;
+use bitcoin::util::uint::Uint256;
-use lightning::chain::chaininterface::{BroadcasterInterface,ConfirmationTarget,FeeEstimator,ChainWatchInterfaceUtil};
+use crypto::sha2::Sha256;
+use crypto::digest::Digest;
+
+use lightning::chain::chaininterface::{BroadcasterInterface,ConfirmationTarget,ChainListener,FeeEstimator,ChainWatchInterfaceUtil};
use lightning::ln::{channelmonitor,msgs};
use lightning::ln::channelmanager::ChannelManager;
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 secp256k1::key::{PublicKey,SecretKey};
use secp256k1::Secp256k1;
+use std::collections::HashMap;
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 {
#[inline]
pub fn do_test(data: &[u8]) {
+ reset_rng_state();
+
let input = Arc::new(InputData {
data: data.to_vec(),
read_pos: AtomicUsize::new(0),
}, our_network_key);
let mut peers = [false; 256];
+ let mut should_forward = false;
+ let mut payments_received = Vec::new();
+ let mut payments_sent = 0;
+ let mut pending_funding_generation: Vec<(Uint256, u64, Script)> = Vec::new();
+ let mut pending_funding_signatures = HashMap::new();
+ let mut pending_funding_relay = Vec::new();
loop {
match get_slice!(1)[0] {
Err(_) => { peers[peer_id as usize] = false; }
}
},
+ 4 => {
+ let value = slice_to_be24(get_slice!(3)) as u64;
+ let route = match router.get_route(&get_pubkey!(), &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);
+ for i in 1..32 { payment_hash[i] = 0; }
+ payments_sent += 1;
+ match channelmanager.send_payment(route, payment_hash) {
+ Ok(_) => {},
+ Err(_) => return,
+ }
+ },
+ 5 => {
+ let peer_id = get_slice!(1)[0];
+ if !peers[peer_id as usize] { return; }
+ let their_key = get_pubkey!();
+ let chan_value = slice_to_be24(get_slice!(3)) as u64;
+ if channelmanager.create_channel(their_key, chan_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_forward();
+ handler.process_events();
+ should_forward = false;
+ }
+ },
+ 8 => {
+ for payment in payments_received.drain(..) {
+ let mut payment_preimage = None;
+ for i in 0..payments_sent {
+ let mut payment_hash = [0; 32];
+ payment_hash[0..8].copy_from_slice(&be64_to_array(i));
+ let mut sha = Sha256::new();
+ sha.input(&payment_hash);
+ sha.result(&mut payment_hash);
+ for i in 1..32 { payment_hash[i] = 0; }
+ if payment_hash == payment {
+ payment_hash = [0; 32];
+ payment_hash[0..8].copy_from_slice(&be64_to_array(i));
+ payment_preimage = Some(payment_hash);
+ break;
+ }
+ }
+ channelmanager.claim_funds(payment_preimage.unwrap());
+ }
+ },
+ 9 => {
+ for payment in payments_received.drain(..) {
+ channelmanager.fail_htlc_backwards(&payment);
+ }
+ },
+ 10 => {
+ 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 = (Sha256dHash::from_data(&serialize(&tx).unwrap()[..]), 0);
+ channelmanager.funding_transaction_generated(&funding_generation.0, funding_output.clone());
+ pending_funding_signatures.insert(funding_output, tx);
+ }
+ },
+ 11 => {
+ if !pending_funding_relay.is_empty() {
+ let mut txn = Vec::with_capacity(pending_funding_relay.len());
+ let mut txn_idxs = Vec::with_capacity(pending_funding_relay.len());
+ for (idx, tx) in pending_funding_relay.iter().enumerate() {
+ txn.push(tx);
+ 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();
+ 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[..]);
+ }
+ }
+ pending_funding_relay.clear();
+ },
_ => return,
}
+ for event in 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));
+ },
+ 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;
+ },
+ _ => panic!("Unknown event"),
+ }
+ }
}
}
projects / rust-lightning / commitdiff