_ Git - rust-lightning/blob - fuzz/src/chanmon_deser.rs

   1 // This file is auto-generated by gen_target.sh based on msg_target_template.txt
   2 // To modify it, modify msg_target_template.txt and run gen_target.sh instead.
   3
   4 use bitcoin::hash_types::BlockHash;
   5
   6 use lightning::util::enforcing_trait_impls::EnforcingChannelKeys;
   7 use lightning::ln::channelmonitor;
   8 use lightning::util::ser::{Readable, Writer};
   9
  10 use utils::test_logger;
  11
  12 use std::io::Cursor;
  13
  14 struct VecWriter(Vec<u8>);
  15 impl Writer for VecWriter {
  16         fn write_all(&mut self, buf: &[u8]) -> Result<(), ::std::io::Error> {
  17                 self.0.extend_from_slice(buf);
  18                 Ok(())
  19         }
  20         fn size_hint(&mut self, size: usize) {
  21                 self.0.reserve_exact(size);
  22         }
  23 }
  24
  25 #[inline]
  26 pub fn do_test<Out: test_logger::Output>(data: &[u8], _out: Out) {
  27         if let Ok((latest_block_hash, monitor)) = <(BlockHash, channelmonitor::ChannelMonitor<EnforcingChannelKeys>)>::read(&mut Cursor::new(data)) {
  28                 let mut w = VecWriter(Vec::new());
  29                 monitor.write_for_disk(&mut w).unwrap();
  30                 let deserialized_copy = <(BlockHash, channelmonitor::ChannelMonitor<EnforcingChannelKeys>)>::read(&mut Cursor::new(&w.0)).unwrap();
  31                 assert!(latest_block_hash == deserialized_copy.0);
  32                 assert!(monitor == deserialized_copy.1);
  33         }
  34 }
  35
  36 pub fn chanmon_deser_test<Out: test_logger::Output>(data: &[u8], out: Out) {
  37         do_test(data, out);
  38 }
  39
  40 #[no_mangle]
  41 pub extern "C" fn chanmon_deser_run(data: *const u8, datalen: usize) {
  42         do_test(unsafe { std::slice::from_raw_parts(data, datalen) }, test_logger::DevNull{});
  43 }