Dont allow to query receipts by nonce if address is not provided

Author: maximopalopoli

aggregation_mode/batcher/src/db.rs

@@ -94,18 +94,7 @@ impl Db {
                 .fetch_all(&self.pool)
                 .await
             }
-            (None, Some(n)) => {
-                sqlx::query_as::<_, Receipt>(
-                    "SELECT status,merkle_path,nonce,address FROM tasks
-                WHERE nonce = $1
-                LIMIT $2",
-                )
-                .bind(n)
-                .bind(limit)
-                .fetch_all(&self.pool)
-                .await
-            }
-            (None, None) => {
+            _ => {
                 sqlx::query_as::<_, Receipt>(
                     "SELECT status,merkle_path,nonce,address FROM tasks
                 LIMIT $1",

aggregation_mode/batcher/src/server/http.rs

@@ -186,6 +186,13 @@ impl BatcherServer {
 
         let state = state.get_ref();
 
+        if params.address.is_none() && params.nonce.is_some() {
+            return HttpResponse::BadRequest().json(AppResponse::new_unsucessfull(
+                "Bad request: Cannot specify nonce without address",
+                400,
+            ));
+        }
+
         // TODO: maybe also accept proof commitment in query param
         let db_result = state
             .db