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Lint Monero serialization

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This commit is contained in:
Luke Parker
2022-08-21 04:41:55 -04:00
parent 76db682a25
commit 00d61286b1
5 changed files with 28 additions and 67 deletions
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24
coins/monero/src/serialize.rs
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@@ -53,10 +53,18 @@ pub fn write_vec<T, W: io::Write, F: Fn(&T, &mut W) -> io::Result<()>>(
write_raw_vec(f, values, w)
}
pub fn read_byte<R: io::Read>(r: &mut R) -> io::Result<u8> {
let mut res = [0; 1];
pub fn read_bytes<R: io::Read, const N: usize>(r: &mut R) -> io::Result<[u8; N]> {
let mut res = [0; N];
r.read_exact(&mut res)?;
Ok(res[0])
Ok(res)
}
pub fn read_byte<R: io::Read>(r: &mut R) -> io::Result<u8> {
Ok(read_bytes::<_, 1>(r)?[0])
}
pub fn read_u64<R: io::Read>(r: &mut R) -> io::Result<u64> {
read_bytes(r).map(u64::from_le_bytes)
}
pub fn read_varint<R: io::Read>(r: &mut R) -> io::Result<u64> {
@@ -72,20 +80,14 @@ pub fn read_varint<R: io::Read>(r: &mut R) -> io::Result<u64> {
Ok(res)
}
pub fn read_32<R: io::Read>(r: &mut R) -> io::Result<[u8; 32]> {
let mut res = [0; 32];
r.read_exact(&mut res)?;
Ok(res)
}
// TODO: https://github.com/serai-dex/serai/issues/25
pub fn read_scalar<R: io::Read>(r: &mut R) -> io::Result<Scalar> {
Scalar::from_canonical_bytes(read_32(r)?)
Scalar::from_canonical_bytes(read_bytes(r)?)
.ok_or_else(|| io::Error::new(io::ErrorKind::Other, "unreduced scalar"))
}
pub fn read_point<R: io::Read>(r: &mut R) -> io::Result<EdwardsPoint> {
let bytes = read_32(r)?;
let bytes = read_bytes(r)?;
CompressedEdwardsY(bytes)
.decompress()
// Ban torsioned points, and points which are either unreduced or -0