Refactor: Try to revert to simple conversion of errors to as exact as I can

Author: lowhung

common/src/rest_error.rs

@@ -42,7 +42,7 @@ impl RESTError {
 
     /// Parameter missing error
     pub fn param_missing(param_name: &str) -> Self {
-        RESTError::BadRequest(format!("{} parameter is missing", param_name))
+        RESTError::BadRequest(format!("Missing {} parameter", param_name))
     }
 
     /// Invalid parameter error

common/src/types.rs

@@ -251,7 +251,6 @@ impl fmt::Display for RewardType {
 }
 
 pub type PolicyId = [u8; 28];
-
 pub type NativeAssets = Vec<(PolicyId, Vec<NativeAsset>)>;
 pub type NativeAssetsDelta = Vec<(PolicyId, Vec<NativeAssetDelta>)>;
 pub type NativeAssetsMap = HashMap<PolicyId, HashMap<AssetName, u64>>;

modules/drdd_state/src/rest.rs

@@ -31,7 +31,7 @@ pub async fn handle_drdd(
             Some(drdd) => Some(drdd),
             None => {
                 return Err(RESTError::not_found(&format!(
-                    "DRDD not found for epoch {}",
+                    "DRDD in epoch {}",
                     epoch
                 )));
             }