leaf_protocol_types/
digest.rs

1//! The [`Digest`] used by Leaf types in this crate.
2
3use std::str::FromStr;
4
5use iroh_base::hash::Hash;
6
7/// Wrapper around an Iroh [`Hash`] that implements [`BorshSerialize`] and [`BorshDeserialize`].
8#[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]
9pub struct Digest(pub Hash);
10impl Default for Digest {
11    fn default() -> Self {
12        Self(Hash::from_bytes([0; 32]))
13    }
14}
15impl From<Digest> for Hash {
16    fn from(val: Digest) -> Self {
17        val.0
18    }
19}
20impl Digest {
21    pub fn new(bytes: &[u8]) -> Self {
22        Self(Hash::new(bytes))
23    }
24    pub fn from_bytes(bytes: [u8; 32]) -> Self {
25        Self(Hash::from_bytes(bytes))
26    }
27}
28impl std::fmt::Debug for Digest {
29    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
30        f.debug_tuple("Digest")
31            .field(&format_args!("{}", self.0))
32            .finish()
33    }
34}
35impl FromStr for Digest {
36    type Err = <Hash as FromStr>::Err;
37    fn from_str(s: &str) -> Result<Self, Self::Err> {
38        Ok(Self(FromStr::from_str(s)?))
39    }
40}
41impl std::fmt::Display for Digest {
42    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
43        self.0.fmt(f)
44    }
45}
46impl From<Hash> for Digest {
47    fn from(value: Hash) -> Self {
48        Self(value)
49    }
50}
51impl borsh::BorshSerialize for Digest {
52    fn serialize<W: std::io::Write>(&self, writer: &mut W) -> std::io::Result<()> {
53        <[u8; 32] as borsh::BorshSerialize>::serialize(self.0.as_bytes(), writer)
54    }
55}
56impl borsh::BorshDeserialize for Digest {
57    fn deserialize_reader<R: std::io::Read>(reader: &mut R) -> std::io::Result<Self> {
58        let bytes = <[u8; 32] as borsh::BorshDeserialize>::deserialize_reader(reader)?;
59        Ok(Digest(Hash::from_bytes(bytes)))
60    }
61}
62impl std::ops::Deref for Digest {
63    type Target = Hash;
64    fn deref(&self) -> &Self::Target {
65        &self.0
66    }
67}
68impl std::ops::DerefMut for Digest {
69    fn deref_mut(&mut self) -> &mut Self::Target {
70        &mut self.0
71    }
72}
leaf_protocol_types/digest.rs

leaf_protocol_types/
digest.rs
