78 lines
2.0 KiB
Rust
78 lines
2.0 KiB
Rust
use std::str::FromStr;
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use bitcoin::blockdata::transaction::OutPoint;
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use bitcoin::consensus::encode;
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use honggfuzz::fuzz;
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fn do_test(data: &[u8]) {
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let lowercase: Vec<u8> = data
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.iter()
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.map(|c| match *c {
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b'A' => b'a',
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b'B' => b'b',
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b'C' => b'c',
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b'D' => b'd',
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b'E' => b'e',
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b'F' => b'f',
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x => x,
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})
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.collect();
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let data_str = match String::from_utf8(lowercase) {
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Err(_) => return,
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Ok(s) => s,
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};
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match OutPoint::from_str(&data_str) {
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Ok(op) => {
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assert_eq!(op.to_string().as_bytes(), data_str.as_bytes());
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}
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Err(_) => {
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// If we can't deserialize as a string, try consensus deserializing
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let res: Result<OutPoint, _> = encode::deserialize(data);
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if let Ok(deser) = res {
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let ser = encode::serialize(&deser);
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assert_eq!(ser, data);
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let string = deser.to_string();
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match OutPoint::from_str(&string) {
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Ok(destring) => assert_eq!(destring, deser),
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Err(_) => panic!(),
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}
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}
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}
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}
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}
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fn main() {
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loop {
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fuzz!(|data| {
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do_test(data);
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});
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}
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}
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#[cfg(all(test, fuzzing))]
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mod tests {
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fn extend_vec_from_hex(hex: &str, out: &mut Vec<u8>) {
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let mut b = 0;
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for (idx, c) in hex.as_bytes().iter().enumerate() {
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b <<= 4;
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match *c {
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b'A'..=b'F' => b |= c - b'A' + 10,
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b'a'..=b'f' => b |= c - b'a' + 10,
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b'0'..=b'9' => b |= c - b'0',
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_ => panic!("Bad hex"),
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}
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if (idx & 1) == 1 {
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out.push(b);
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b = 0;
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}
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}
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}
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#[test]
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fn duplicate_crash() {
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let mut a = Vec::new();
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extend_vec_from_hex("00", &mut a);
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super::do_test(&a);
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}
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}
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