Rename `DefaultHasher` to `DummyHasher`

4 files changed, 14 insertions, 4 deletions

diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
new file mode 100644
index 0000000..1fd184b
--- /dev/null
+++ b/.pre-commit-config.yaml
@@ -0,0 +1,10 @@
+repos:
+-   repo: https://github.com/doublify/pre-commit-rust
+    rev: v1.0
+    hooks:
+    -   id: cargo-check
+        args: ["--workspace"]
+    -   id: fmt
+        args: ["--", "--check"]
+    -   id: clippy
+        args: ["--", "-D", "warnings"]
diff --git a/src/hasher.rs b/src/hasher.rs
index 101b23c..38d6567 100644
--- a/src/hasher.rs
+++ b/src/hasher.rs
@@ -14,9 +14,9 @@ pub trait Hasher {
 /// A dummy hasher used for testing or demonstration purposes.
 ///
 /// Always returns a static hash value.
-pub struct DefaultHasher;
+pub struct DummyHasher;
 
-impl Hasher for DefaultHasher {
+impl Hasher for DummyHasher {
     fn hash(&self, _input: &[u8]) -> String {
         "0xc0ff3".to_string()
     }
diff --git a/src/merkle/mod.rs b/src/merkle/mod.rs
index d00e350..2ce316c 100644
--- a/src/merkle/mod.rs
+++ b/src/merkle/mod.rs
@@ -14,7 +14,7 @@ mod tests {
     #[test]
     fn test_merkle_tree_with_default_hasher() {
         let data = &["hello".as_bytes(), "world".as_bytes()];
-        let tree = merkletree::MerkleTree::new(&DefaultHasher, data);
+        let tree = merkletree::MerkleTree::new(&DummyHasher, data);
 
         assert_eq!(tree.height(), 2);
         assert_eq!(tree.root().hash(), "0xc0ff3");
diff --git a/src/merkle/node.rs b/src/merkle/node.rs
index 021b1c3..cef5c1f 100644
--- a/src/merkle/node.rs
+++ b/src/merkle/node.rs
@@ -48,7 +48,7 @@ impl Node {
     /// * `hasher` - A reference to a hashing strategy.
     /// * `data` - The data to be hashed and stored as a leaf.
     pub fn new_leaf(hasher: &dyn Hasher, data: &[u8]) -> Self {
-        let hash = hasher.hash(&data);
+        let hash = hasher.hash(data);
         Self {
             hash,
             data: data.to_vec(),