bug in log

util.py

@@ -494,3 +494,16 @@ class Util:
                 del will[txid]["tx_fees"]
                 have_to_update = True
         return have_to_update
+
+    def text_to_hex(text: str) -> str:
+        """Convert text to hexadecimal string"""
+        hex_string = text.encode('utf-8').hex()
+        return hex_string
+
+
+    def hex_to_text(hex_string: str) -> str:
+        """Convert hexadecimal string back to text (for verification)"""
+        try:
+            return bytes.fromhex(hex_string).decode('utf-8')
+        except Exception:
+            return "Error: Invalid hex string"