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;
7#[cfg(test)]
8use fake::Dummy;
9#[cfg(test)]
10use fake::Faker;
11
12#[derive(DebugAsJson, Clone, Copy, Default, Eq, PartialEq, Hash, serde::Serialize, serde::Deserialize)]
13#[serde(transparent)]
14pub struct Hash(pub B256);
15
16impl Hash {
17    pub const ZERO: Hash = Hash(B256::ZERO);
18
19    /// Creates a hash from the given bytes.
20    pub const fn new(bytes: [u8; 32]) -> Self {
21        Self(B256::new(bytes))
22    }
23}
24
25impl Display for Hash {
26    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
27        write!(f, "{}", const_hex::encode_prefixed(self.0))
28    }
29}
30
31#[cfg(test)]
32impl Dummy<Faker> for Hash {
33    fn dummy_with_rng<R: rand::Rng + ?Sized>(_: &Faker, rng: &mut R) -> Self {
34        B256::random_with(rng).into()
35    }
36}
37
38impl AsRef<[u8]> for Hash {
39    fn as_ref(&self) -> &[u8] {
40        self.0.as_ref()
41    }
42}
43
44// -----------------------------------------------------------------------------
45// Conversions: Other -> Self
46// -----------------------------------------------------------------------------
47
48impl FromStr for Hash {
49    type Err = anyhow::Error;
50
51    fn from_str(s: &str) -> anyhow::Result<Self> {
52        match B256::from_str(s) {
53            Ok(parsed) => Ok(Self(parsed)),
54            Err(e) => {
55                tracing::warn!(reason = ?e, value = %s, "failed to parse hash");
56                Err(anyhow!("Failed to parse field 'hash' with value '{}'", s.to_owned()))
57            }
58        }
59    }
60}
61
62impl From<B256> for Hash {
63    fn from(value: B256) -> Self {
64        Self(value)
65    }
66}
67
68impl From<[u8; 32]> for Hash {
69    fn from(value: [u8; 32]) -> Self {
70        Self(B256::from(value))
71    }
72}
73
74// -----------------------------------------------------------------------------
75// Conversions: Self -> Other
76// -----------------------------------------------------------------------------
77
78impl From<Hash> for B256 {
79    fn from(value: Hash) -> Self {
80        value.0
81    }
82}
stratus/eth/primitives/hash.rs

stratus/eth/primitives/
hash.rs
