92 lines
2.7 KiB
Rust
92 lines
2.7 KiB
Rust
extern crate bitcoin;
|
|
|
|
use bitcoin::address::Address;
|
|
use bitcoin::network::constants::Network;
|
|
use bitcoin::blockdata::script;
|
|
use bitcoin::consensus::encode;
|
|
|
|
fn do_test(data: &[u8]) {
|
|
let s: Result<script::Script, _> = encode::deserialize(data);
|
|
if let Ok(script) = s {
|
|
let _: Result<Vec<script::Instruction>, script::Error> = script.instructions().collect();
|
|
|
|
let mut b = script::Builder::new();
|
|
for ins in script.instructions_minimal() {
|
|
if ins.is_err() {
|
|
return;
|
|
}
|
|
match ins.ok().unwrap() {
|
|
script::Instruction::Op(op) => { b = b.push_opcode(op); }
|
|
script::Instruction::PushBytes(bytes) => {
|
|
// Any one-byte pushes, except -0, which can be interpreted as numbers, should be
|
|
// reserialized as numbers. (For -1 through 16, this will use special ops; for
|
|
// others it'll just reserialize them as pushes.)
|
|
if bytes.len() == 1 && bytes[0] != 0x80 && bytes[0] != 0x00 {
|
|
if let Ok(num) = script::read_scriptint(bytes) {
|
|
b = b.push_int(num);
|
|
} else {
|
|
b = b.push_slice(bytes);
|
|
}
|
|
} else {
|
|
b = b.push_slice(bytes);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
assert_eq!(b.into_script(), script);
|
|
assert_eq!(data, &encode::serialize(&script)[..]);
|
|
|
|
// Check if valid address and if that address roundtrips.
|
|
if let Ok(addr) = Address::from_script(&script, Network::Bitcoin) {
|
|
assert_eq!(addr.script_pubkey(), script);
|
|
}
|
|
}
|
|
}
|
|
|
|
#[cfg(feature = "afl")]
|
|
#[macro_use] extern crate afl;
|
|
#[cfg(feature = "afl")]
|
|
fn main() {
|
|
fuzz!(|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);
|
|
}
|
|
}
|