Make CasObject serde::Serializable (#172)

See title -- should be self-explanatory.
huggingface · Feb 17, 2025 · d06daff · d06daff
1 parent 54ff005
commit d06daff
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Showing 3 changed files with 8 additions and 4 deletions.
diff --git a/Cargo.lock b/Cargo.lock
diff --git a/cas_object/Cargo.toml b/cas_object/Cargo.toml
@@ -27,4 +27,5 @@ blake3 = "1.5.4"
 futures = { version = "0.3.31" }
 tokio-util = {version = "0.7.12",  features = ["io"]}
 tokio = {version = "1.41.1" }
-half = "2.4.1"
+half = "2.4.1"
+serde = { version = "1.0.129", features = ["derive"] }
diff --git a/cas_object/src/cas_object_format.rs b/cas_object/src/cas_object_format.rs
@@ -8,6 +8,7 @@ use futures::AsyncReadExt;
 use merkledb::prelude::MerkleDBHighLevelMethodsV1;
 use merkledb::{Chunk, MerkleMemDB};
 use merklehash::{DataHash, MerkleHash};
+use serde::Serialize;
 use tracing::warn;
 
 use crate::cas_chunk_format::{deserialize_chunk, serialize_chunk};
@@ -19,7 +20,7 @@ pub(crate) const CAS_OBJECT_FORMAT_IDENT: CasObjectIdent = [b'X', b'E', b'T', b'
 pub(crate) const CAS_OBJECT_FORMAT_VERSION: u8 = 0;
 const CAS_OBJECT_INFO_DEFAULT_LENGTH: u32 = 60;
 
-#[derive(Clone, PartialEq, Eq, Debug)]
+#[derive(Clone, PartialEq, Eq, Debug, Serialize)]
 /// Info struct for [CasObject]. This is stored at the end of the XORB.
 pub struct CasObjectInfo {
     /// CAS identifier: "XETBLOB"
@@ -49,6 +50,7 @@ pub struct CasObjectInfo {
     /// Merklehash for each chunk stored in the Xorb. Length of vector is num_chunks.
     pub chunk_hashes: Vec<MerkleHash>,
 
+    #[serde(skip)]
     /// Unused 16-byte buffer to allow for future extensibility.
     _buffer: [u8; 16],
 }
@@ -247,7 +249,7 @@ impl CasObjectInfo {
     }
 }
 
-#[derive(Clone, PartialEq, Eq, Debug)]
+#[derive(Clone, PartialEq, Eq, Debug, Serialize)]
 /// XORB: 16MB data block for storing chunks.
 ///
 /// Has Info footer, and a set of functions that interact directly with XORB.