rust-lightning/fuzz/fuzz_targets/chanmon_deser_target.rs

// This file is auto-generated by gen_target.sh based on msg_target_template.txt
// To modify it, modify msg_target_template.txt and run gen_target.sh instead.

extern crate lightning;

use lightning::ln::channelmonitor;
use lightning::util::reset_rng_state;

#[inline]
pub fn do_test(data: &[u8]) {
	reset_rng_state();
	if let Some(monitor) = channelmonitor::ChannelMonitor::deserialize(data) {
		assert!(channelmonitor::ChannelMonitor::deserialize(&monitor.serialize_for_disk()[..]).unwrap() == monitor);
		monitor.serialize_for_watchtower();
	}
}

#[cfg(feature = "afl")]
extern crate afl;
#[cfg(feature = "afl")]
fn main() {
	afl::read_stdio_bytes(|data| {
		do_test(&data);
	});
}

#[cfg(feature = "honggfuzz")]
#[macro_use] extern crate honggfuzz;
#[cfg(feature = "honggfuzz")]
fn main() {
	loop {
		fuzz!(|data| {
			do_test(data);
		});
	}
}

#[cfg(test)]
mod tests {
	fn extend_vec_from_hex(hex: &str, out: &mut Vec<u8>) {
		let mut b = 0;
		for (idx, c) in hex.as_bytes().iter().enumerate() {
			b <<= 4;
			match *c {
				b'A'...b'F' => b |= c - b'A' + 10,
				b'a'...b'f' => b |= c - b'a' + 10,
				b'0'...b'9' => b |= c - b'0',
				_ => panic!("Bad hex"),
			}
			if (idx & 1) == 1 {
				out.push(b);
				b = 0;
			}
		}
	}

	#[test]
	fn duplicate_crash() {
		let mut a = Vec::new();
		extend_vec_from_hex("00", &mut a);
		super::do_test(&a);
	}
}