_ 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::chain::channelmonitor;
   7 use lightning::util::enforcing_trait_impls::EnforcingSigner;
   8 use lightning::util::ser::{ReadableArgs, Writer, Writeable};
   9 use lightning::util::test_utils::OnlyReadsKeysInterface;
  10
  11 use utils::test_logger;
  12
  13 use std::io::Cursor;
  14
  15 struct VecWriter(Vec<u8>);
  16 impl Writer for VecWriter {
  17         fn write_all(&mut self, buf: &[u8]) -> Result<(), ::std::io::Error> {
  18                 self.0.extend_from_slice(buf);
  19                 Ok(())
  20         }
  21         fn size_hint(&mut self, size: usize) {
  22                 self.0.reserve_exact(size);
  23         }
  24 }
  25
  26 #[inline]
  27 pub fn do_test<Out: test_logger::Output>(data: &[u8], _out: Out) {
  28         if let Ok((Some(latest_block_hash), monitor)) = <(Option<BlockHash>, channelmonitor::ChannelMonitor<EnforcingSigner>)>::read(&mut Cursor::new(data), &OnlyReadsKeysInterface {}) {
  29                 let mut w = VecWriter(Vec::new());
  30                 monitor.write(&mut w).unwrap();
  31                 let deserialized_copy = <(Option<BlockHash>, channelmonitor::ChannelMonitor<EnforcingSigner>)>::read(&mut Cursor::new(&w.0), &OnlyReadsKeysInterface {}).unwrap();
  32                 if let Some(deserialized) = deserialized_copy.0 {
  33                         assert!(latest_block_hash == deserialized);
  34                 }
  35                 assert!(monitor == deserialized_copy.1);
  36         }
  37 }
  38
  39 pub fn chanmon_deser_test<Out: test_logger::Output>(data: &[u8], out: Out) {
  40         do_test(data, out);
  41 }
  42
  43 #[no_mangle]
  44 pub extern "C" fn chanmon_deser_run(data: *const u8, datalen: usize) {
  45         do_test(unsafe { std::slice::from_raw_parts(data, datalen) }, test_logger::DevNull{});
  46 }