Add default for Db

1 files changed, 7 insertions, 1 deletions

diff --git a/src/schema.rs b/src/schema.rs
index eae60af..81bfc1b 100644
--- a/src/schema.rs
+++ b/src/schema.rs
@@ -34,7 +34,7 @@ fn block_parser(path: String) -> u64 {
 fn last_block_content() -> Option<String> {
     let blocks = read_block_name().unwrap();
 
-    if blocks.len() == 0 {
+    if blocks.is_empty() {
         return None;
     }
 
@@ -173,6 +173,12 @@ impl Db {
     }
 }
 
+impl Default for Db {
+    fn default() -> Self {
+        Self::new()
+    }
+}
+
 /// A transaction between `source` and `target` that moves `amount`
 #[derive(Serialize, Deserialize, Debug, Clone, PartialEq)]
 pub struct Transaction {