refactor: simplify ValidationMode enum by implementing Default trait

Updated the ValidationMode enum to include the Default trait, setting the default value to Full. This change streamlines the code and enhances usability by providing a clear default validation mode.

Author: PastaPastaPasta

dash-spv/src/types.rs

@@ -510,24 +510,19 @@ impl std::fmt::Debug for ChainState {
 }
 
 /// Validation mode for the SPV client.
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize, Default)]
 pub enum ValidationMode {
     /// Validate only basic structure and signatures.
     Basic,
 
     /// Validate proof of work and chain rules.
+    #[default]
     Full,
 
     /// Skip most validation (useful for testing).
     None,
 }
 
-impl Default for ValidationMode {
-    fn default() -> Self {
-        Self::Full
-    }
-}
-
 /// Peer information.
 #[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
 pub struct PeerInfo {