use std::fmt;
#[derive(Eq, PartialEq, Debug, Clone)]
pub struct Digest([u8; 32]);
impl From<[u8; 32]> for Digest {
fn from(arr: [u8; 32]) -> Self {
Self(arr)
}
}
impl Digest {
pub fn as_slice(&self) -> &[u8] {
&self.0
}
pub fn from_vec(vec: Vec<u8>) -> Option<Self> {
if vec.len() == 32 {
let mut out = [0; 32];
out.copy_from_slice(&vec);
Some(Self(out))
} else {
None
}
}
pub fn from_bytes(bytes: &[u8]) -> Option<Self> {
if bytes.len() == 32 {
let mut out = [0; 32];
out.copy_from_slice(bytes);
Some(Self(out))
} else {
None
}
}
pub fn into_vec(self) -> Vec<u8> {
self.as_slice().to_vec()
}
}
impl fmt::Display for Digest {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
f.write_str(&crev_common::base64_encode(&self.0))
}
}