feat!: reducing the max chunk size from 1MB to 500kB

.github/workflows/pr.yml

@@ -85,7 +85,9 @@ jobs:
       - name: rust-tarpaulin code coverage check
         uses: actions-rs/tarpaulin@v0.1
         with:
-          args: "-v --release --out Lcov"
+          args: "-v --release"
+          version: "0.15.0"
+          out-type: Lcov
           timeout: 2000
       - name: Push code coverage results to coveralls.io
         uses: coverallsapp/github-action@master

examples/basic_encryptor.rs

@@ -103,7 +103,7 @@ impl DiskBasedStorage {
 
     fn get(&self, name: XorName) -> Result<Bytes, Error> {
         let path = self.calculate_path(name);
-        let mut file = File::open(&path)?;
+        let mut file = File::open(path)?;
         let mut data = Vec::new();
         let _ = file.read_to_end(&mut data);
         Ok(Bytes::from(data))

src/data_map.rs

@@ -110,8 +110,8 @@ impl Debug for ChunkInfo {
             formatter,
             "ChunkInfo {{ index: {}, dst_hash: {}, src_hash: {}, src_size: {} }}",
             self.index,
-            debug_bytes(&self.dst_hash),
-            debug_bytes(&self.src_hash),
+            debug_bytes(self.dst_hash),
+            debug_bytes(self.src_hash),
             self.src_size
         )
     }

src/lib.rs

@@ -116,8 +116,8 @@ pub use xor_name;
 
 /// The minimum size (before compression) of data to be self-encrypted, defined as 3kB.
 pub const MIN_ENCRYPTABLE_BYTES: usize = 3 * MIN_CHUNK_SIZE;
-/// The maximum size (before compression) of an individual chunk of the file, defined as 1MB.
-pub const MAX_CHUNK_SIZE: usize = 1024 * 1024;
+/// The maximum size (before compression) of an individual chunk of the file, defined as 500kB.
+pub const MAX_CHUNK_SIZE: usize = 500 * 1024;
 /// The minimum size (before compression) of an individual chunk of the file, defined as 1kB.
 pub const MIN_CHUNK_SIZE: usize = 1024;
 /// Controls the compression-speed vs compression-density tradeoffs.  The higher the quality, the