74 lines
2.1 KiB
Rust
74 lines
2.1 KiB
Rust
extern crate bitcoin;
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fn do_test(data: &[u8]) {
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let tx_result: Result<bitcoin::blockdata::transaction::Transaction, _> = bitcoin::consensus::encode::deserialize(data);
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match tx_result {
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Err(_) => {},
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Ok(mut tx) => {
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let ser = bitcoin::consensus::encode::serialize(&tx);
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assert_eq!(&ser[..], data);
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let len = ser.len();
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let calculated_weight = tx.weight().to_wu() as usize;
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for input in &mut tx.input {
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input.witness = bitcoin::blockdata::witness::Witness::default();
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}
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let no_witness_len = bitcoin::consensus::encode::serialize(&tx).len();
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// For 0-input transactions, `no_witness_len` will be incorrect because
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// we serialize as segwit even after "stripping the witnesses". We need
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// to drop two bytes (i.e. eight weight)
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if tx.input.is_empty() {
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assert_eq!(no_witness_len * 3 + len - 8, calculated_weight);
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} else {
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assert_eq!(no_witness_len * 3 + len, calculated_weight);
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}
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},
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}
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}
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#[cfg(feature = "afl")]
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#[macro_use] extern crate afl;
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#[cfg(feature = "afl")]
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fn main() {
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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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#[cfg(feature = "honggfuzz")]
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#[macro_use] extern crate honggfuzz;
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#[cfg(feature = "honggfuzz")]
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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(test)]
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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("000700000001000000010000", &mut a);
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super::do_test(&a);
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}
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}
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