soma_provider_core/registry/
fingerprint.rs

1use std::fmt;
2
3use sha2::{Digest, Sha256};
4
5use crate::ProviderCatalog;
6
7#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
8pub struct RegistryFingerprint(String);
9
10impl RegistryFingerprint {
11    pub(super) fn from_catalogs(catalogs: &[ProviderCatalog]) -> Self {
12        let canonical = serde_json::to_vec(catalogs).expect("provider catalogs serialize");
13        let digest = Sha256::digest(canonical);
14        let hex = digest
15            .iter()
16            .map(|byte| format!("{byte:02x}"))
17            .collect::<String>();
18        Self(format!("sha256:{hex}"))
19    }
20
21    pub fn as_str(&self) -> &str {
22        &self.0
23    }
24}
25
26impl fmt::Display for RegistryFingerprint {
27    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
28        f.write_str(&self.0)
29    }
30}

soma_provider_core/registry/fingerprint.rs

soma_provider_core/registry/
fingerprint.rs