CompactEncoding Vec<u8> -> Box<[u8]>

Author: cowlicks

src/crypto/hash.rs

@@ -147,8 +147,9 @@ impl Hash {
         };
 
         let len = node1.length + node2.length;
-        let size: Vec<u8> = (|| Ok::<_, EncodingError>(to_encoded_bytes!(len.as_fixed_width())))()
-            .expect("Encoding u64 should not fail");
+        let size: Box<[u8]> =
+            (|| Ok::<_, EncodingError>(to_encoded_bytes!(len.as_fixed_width())))()
+                .expect("Encoding u64 should not fail");
 
         let mut hasher = Blake2b256::new();
         hasher.update(PARENT_TYPE);

src/tree/merkle_tree.rs

@@ -662,7 +662,10 @@ impl MerkleTree {
         for (_, node) in self.unflushed.drain() {
             let buffer = (|| {
                 let hash = as_array::<32>(&node.hash)?;
-                Ok::<Vec<u8>, EncodingError>(to_encoded_bytes!(node.length.as_fixed_width(), hash))
+                Ok::<Box<[u8]>, EncodingError>(to_encoded_bytes!(
+                    node.length.as_fixed_width(),
+                    hash
+                ))
             })()
             .expect("Encoding u64 should not fail");
             infos_to_flush.push(StoreInfo::new_content(