add go mod tidy command execution after commit hash substitution

scripts/update-go-mod/update-go-mod.py

@@ -4,7 +4,7 @@
 
 def update_go_mod_file(go_mod_path, new_hash):
     """
-    Update the go.mod file with the new commit hash. 
+    Update the go.mod file with the new commit hash.
     """
     try:
         with open(go_mod_path, 'r') as file:
@@ -27,6 +27,19 @@ def update_go_mod_file(go_mod_path, new_hash):
         print(f"Failed to update go.mod file: {str(e)}")
         sys.exit(1)
 
+def run_go_mod_tidy():
+    """
+    Run `go mod tidy` to ensure the go.mod file is tidy.
+    """
+    try:
+        print("Running go mod tidy...")
+        subprocess.run(['go', 'mod', 'tidy'], check=True)
+        print("Successfully ran go mod tidy.")
+
+    except subprocess.CalledProcessError as e:
+        print(f"Failed to run go mod tidy: {e.stderr}")
+        sys.exit(1)
+
 if __name__ == "__main__":
     try:
         # Assuming the script is run from the root of mx-chain-simulator-go
@@ -43,6 +56,9 @@ def update_go_mod_file(go_mod_path, new_hash):
 
         update_go_mod_file(go_mod_path, latest_commit_hash)
 
+        # Run go mod tidy after updating go.mod
+        run_go_mod_tidy()
+
         print("Python Script executed successfully.")
     except Exception as e:
         print(f"Script execution failed: {str(e)}")