iop_morpheus_proto/crypto/
hash.rs

1use super::*;
2
3/// Multibase-encoded hash of the provided binary content, prefixed with "cb".
4/// Character 'b' marks that binary content was hashed and 'c' stands for content hash.
5pub fn hash_bytes(content: &[u8]) -> String {
6    format!("cb{}", default_hasher(content))
7}
8
9pub type ContentId = String;
10
11pub trait Content: Serialize + Clone + Sized {
12    fn content_id(&self) -> Result<ContentId> {
13        digest_data(self)
14    }
15
16    fn validate_id(&self, content_id: impl Deref<Target = ContentId>) -> Result<bool> {
17        let calculated_hash = self.content_id()?;
18        Ok(calculated_hash == *content_id)
19    }
20}
21
22impl Content for serde_json::Value {}
23
24impl Content for Box<[u8]> {
25    fn content_id(&self) -> Result<ContentId> {
26        Ok(hash_bytes(self.as_ref()))
27    }
28}
29
30impl Content for Vec<u8> {
31    fn content_id(&self) -> Result<ContentId> {
32        Ok(hash_bytes(self.as_ref()))
33    }
34}
iop_morpheus_proto/crypto/hash.rs

iop_morpheus_proto/crypto/
hash.rs
