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refactor(tvix/store/directorysvc): use [u8; 32] instead of Vec<u8>

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Also, simplify the trait interface, only allowing lookups of Directory
objects by their digest.

Change-Id: I6eec28a8cb0557bed9b69df8b8ff99a5e0f8fe35
Reviewed-on: https://cl.tvl.fyi/c/depot/+/8313
Tested-by: BuildkiteCI
Autosubmit: flokli <flokli@flokli.de>
Reviewed-by: tazjin <tazjin@tvl.su>
This commit is contained in:
Florian Klink 2023-03-16 00:01:30 +01:00 • committed by flokli
parent 9c08cbc973
commit ee23220564
12 changed files with 126 additions and 128 deletions
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4
tvix/store/src/proto/mod.rs
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@ -236,10 +236,10 @@ impl Directory {
/// Calculates the digest of a Directory, which is the blake3 hash of a
/// Directory protobuf message, serialized in protobuf canonical form.
pub fn digest(&self) -> Vec<u8> {
pub fn digest(&self) -> [u8; 32] {
let mut hasher = blake3::Hasher::new();
hasher.update(&self.encode_to_vec()).finalize().as_bytes()[..].to_vec()
*hasher.update(&self.encode_to_vec()).finalize().as_bytes()
}
/// validate checks the directory for invalid data, such as: