stratus/eth/primitives/
hash.rs

1use std::fmt::Display;
2use std::str::FromStr;
3
4use alloy_primitives::B256;
5use anyhow::anyhow;
6use display_json::DebugAsJson;
7use fake::Dummy;
8use fake::Faker;
9
10#[derive(DebugAsJson, Clone, Copy, Default, Eq, PartialEq, Hash, serde::Serialize, serde::Deserialize)]
11#[serde(transparent)]
12pub struct Hash(pub B256);
13
14impl Hash {
15    pub const ZERO: Hash = Hash(B256::ZERO);
16
17    /// Creates a hash from the given bytes.
18    pub const fn new(bytes: [u8; 32]) -> Self {
19        Self(B256::new(bytes))
20    }
21}
22
23impl Display for Hash {
24    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
25        write!(f, "{}", const_hex::encode_prefixed(self.0))
26    }
27}
28
29impl Dummy<Faker> for Hash {
30    fn dummy_with_rng<R: rand::Rng + ?Sized>(_: &Faker, rng: &mut R) -> Self {
31        B256::random_with(rng).into()
32    }
33}
34
35impl AsRef<[u8]> for Hash {
36    fn as_ref(&self) -> &[u8] {
37        self.0.as_ref()
38    }
39}
40
41// -----------------------------------------------------------------------------
42// Conversions: Other -> Self
43// -----------------------------------------------------------------------------
44
45impl FromStr for Hash {
46    type Err = anyhow::Error;
47
48    fn from_str(s: &str) -> anyhow::Result<Self> {
49        match B256::from_str(s) {
50            Ok(parsed) => Ok(Self(parsed)),
51            Err(e) => {
52                tracing::warn!(reason = ?e, value = %s, "failed to parse hash");
53                Err(anyhow!("Failed to parse field 'hash' with value '{}'", s.to_owned()))
54            }
55        }
56    }
57}
58
59impl From<B256> for Hash {
60    fn from(value: B256) -> Self {
61        Self(value)
62    }
63}
64
65impl From<[u8; 32]> for Hash {
66    fn from(value: [u8; 32]) -> Self {
67        Self(B256::from(value))
68    }
69}
70
71// -----------------------------------------------------------------------------
72// Conversions: Self -> Other
73// -----------------------------------------------------------------------------
74
75impl From<Hash> for B256 {
76    fn from(value: Hash) -> Self {
77        value.0
78    }
79}
stratus/eth/primitives/hash.rs

stratus/eth/primitives/
hash.rs
