1 use bitcoin::blockdata::script::{Script, Builder};
2 use bitcoin::blockdata::block::Block;
3 use bitcoin::hash_types::{Txid, BlockHash};
5 use lightning::chain::chaininterface::{ChainError,ChainWatchInterface};
6 use lightning::ln::channelmanager::ChannelDetails;
7 use lightning::ln::features::InitFeatures;
8 use lightning::ln::msgs;
9 use lightning::ln::msgs::RoutingMessageHandler;
10 use lightning::routing::router::{get_route, RouteHint};
11 use lightning::util::logger::Logger;
12 use lightning::util::ser::Readable;
13 use lightning::routing::network_graph::{NetGraphMsgHandler, RoutingFees};
15 use bitcoin::secp256k1::key::PublicKey;
17 use utils::test_logger;
20 use std::sync::atomic::{AtomicUsize, Ordering};
23 pub fn slice_to_be16(v: &[u8]) -> u16 {
24 ((v[0] as u16) << 8*1) |
25 ((v[1] as u16) << 8*0)
29 pub fn slice_to_be32(v: &[u8]) -> u32 {
30 ((v[0] as u32) << 8*3) |
31 ((v[1] as u32) << 8*2) |
32 ((v[2] as u32) << 8*1) |
33 ((v[3] as u32) << 8*0)
37 pub fn slice_to_be64(v: &[u8]) -> u64 {
38 ((v[0] as u64) << 8*7) |
39 ((v[1] as u64) << 8*6) |
40 ((v[2] as u64) << 8*5) |
41 ((v[3] as u64) << 8*4) |
42 ((v[4] as u64) << 8*3) |
43 ((v[5] as u64) << 8*2) |
44 ((v[6] as u64) << 8*1) |
45 ((v[7] as u64) << 8*0)
51 read_pos: AtomicUsize,
54 fn get_slice(&self, len: usize) -> Option<&[u8]> {
55 let old_pos = self.read_pos.fetch_add(len, Ordering::AcqRel);
56 if self.data.len() < old_pos + len {
59 Some(&self.data[old_pos..old_pos + len])
61 fn get_slice_nonadvancing(&self, len: usize) -> Option<&[u8]> {
62 let old_pos = self.read_pos.load(Ordering::Acquire);
63 if self.data.len() < old_pos + len {
66 Some(&self.data[old_pos..old_pos + len])
70 struct DummyChainWatcher {
71 input: Arc<InputData>,
74 impl ChainWatchInterface for DummyChainWatcher {
75 fn install_watch_tx(&self, _txid: &Txid, _script_pub_key: &Script) { }
76 fn install_watch_outpoint(&self, _outpoint: (Txid, u32), _out_script: &Script) { }
77 fn watch_all_txn(&self) { }
78 fn filter_block(&self, _block: &Block) -> Vec<usize> {
81 fn reentered(&self) -> usize { 0 }
83 fn get_chain_utxo(&self, _genesis_hash: BlockHash, _unspent_tx_output_identifier: u64) -> Result<(Script, u64), ChainError> {
84 match self.input.get_slice(2) {
85 Some(&[0, _]) => Err(ChainError::NotSupported),
86 Some(&[1, _]) => Err(ChainError::NotWatched),
87 Some(&[2, _]) => Err(ChainError::UnknownTx),
88 Some(&[_, x]) => Ok((Builder::new().push_int(x as i64).into_script().to_v0_p2wsh(), 0)),
89 None => Err(ChainError::UnknownTx),
96 pub fn do_test<Out: test_logger::Output>(data: &[u8], out: Out) {
97 let input = Arc::new(InputData {
99 read_pos: AtomicUsize::new(0),
101 macro_rules! get_slice_nonadvancing {
103 match input.get_slice_nonadvancing($len as usize) {
104 Some(slice) => slice,
109 macro_rules! get_slice {
111 match input.get_slice($len as usize) {
112 Some(slice) => slice,
118 macro_rules! decode_msg {
119 ($MsgType: path, $len: expr) => {{
120 let mut reader = ::std::io::Cursor::new(get_slice!($len));
121 match <$MsgType>::read(&mut reader) {
124 msgs::DecodeError::UnknownVersion => return,
125 msgs::DecodeError::UnknownRequiredFeature => return,
126 msgs::DecodeError::InvalidValue => return,
127 msgs::DecodeError::BadLengthDescriptor => return,
128 msgs::DecodeError::ShortRead => panic!("We picked the length..."),
129 msgs::DecodeError::Io(e) => panic!(format!("{}", e)),
135 macro_rules! decode_msg_with_len16 {
136 ($MsgType: path, $begin_len: expr, $excess: expr) => {
138 let extra_len = slice_to_be16(&get_slice_nonadvancing!($begin_len as usize + 2)[$begin_len..$begin_len + 2]);
139 decode_msg!($MsgType, $begin_len as usize + 2 + (extra_len as usize) + $excess)
144 macro_rules! get_pubkey {
146 match PublicKey::from_slice(get_slice!(33)) {
153 let logger: Arc<dyn Logger> = Arc::new(test_logger::TestLogger::new("".to_owned(), out));
154 let chain_monitor = Arc::new(DummyChainWatcher {
155 input: Arc::clone(&input),
158 let our_pubkey = get_pubkey!();
159 let net_graph_msg_handler = NetGraphMsgHandler::new(chain_monitor, Arc::clone(&logger));
162 match get_slice!(1)[0] {
164 let start_len = slice_to_be16(&get_slice_nonadvancing!(64 + 2)[64..64 + 2]) as usize;
165 let addr_len = slice_to_be16(&get_slice_nonadvancing!(64+start_len+2 + 74)[64+start_len+2 + 72..64+start_len+2 + 74]);
166 if addr_len > (37+1)*4 {
169 let _ = net_graph_msg_handler.handle_node_announcement(&decode_msg_with_len16!(msgs::NodeAnnouncement, 64, 288));
172 let _ = net_graph_msg_handler.handle_channel_announcement(&decode_msg_with_len16!(msgs::ChannelAnnouncement, 64*4, 32+8+33*4));
175 let _ = net_graph_msg_handler.handle_channel_update(&decode_msg!(msgs::ChannelUpdate, 136));
178 match get_slice!(1)[0] {
180 net_graph_msg_handler.handle_htlc_fail_channel_update(&msgs::HTLCFailChannelUpdate::ChannelUpdateMessage {msg: decode_msg!(msgs::ChannelUpdate, 136)});
183 let short_channel_id = slice_to_be64(get_slice!(8));
184 net_graph_msg_handler.handle_htlc_fail_channel_update(&msgs::HTLCFailChannelUpdate::ChannelClosed {short_channel_id, is_permanent: false});
190 let target = get_pubkey!();
191 let mut first_hops_vec = Vec::new();
192 let first_hops = match get_slice!(1)[0] {
195 let count = slice_to_be16(get_slice!(2));
197 first_hops_vec.push(ChannelDetails {
199 short_channel_id: Some(slice_to_be64(get_slice!(8))),
200 remote_network_id: get_pubkey!(),
201 counterparty_features: InitFeatures::empty(),
202 channel_value_satoshis: slice_to_be64(get_slice!(8)),
204 inbound_capacity_msat: 0,
206 outbound_capacity_msat: 0,
209 Some(&first_hops_vec[..])
213 let mut last_hops_vec = Vec::new();
215 let count = slice_to_be16(get_slice!(2));
217 last_hops_vec.push(RouteHint {
218 src_node_id: get_pubkey!(),
219 short_channel_id: slice_to_be64(get_slice!(8)),
221 base_msat: slice_to_be32(get_slice!(4)),
222 proportional_millionths: slice_to_be32(get_slice!(4)),
224 cltv_expiry_delta: slice_to_be16(get_slice!(2)),
225 htlc_minimum_msat: slice_to_be64(get_slice!(8)),
230 let _ = get_route(&our_pubkey, &net_graph_msg_handler.network_graph.read().unwrap(), &target, first_hops, last_hops, slice_to_be64(get_slice!(8)), slice_to_be32(get_slice!(4)), Arc::clone(&logger));
237 pub fn router_test<Out: test_logger::Output>(data: &[u8], out: Out) {
242 pub extern "C" fn router_run(data: *const u8, datalen: usize) {
243 do_test(unsafe { std::slice::from_raw_parts(data, datalen) }, test_logger::DevNull {});