updated_decoder

decoder.py

@@ -4,24 +4,26 @@
 
 def add_base64_padding(base64_string):
     """Add padding to the Base64 string if necessary."""
-    missing_padding = len(base64_string) % 4
-    if missing_padding:
-        base64_string += '=' * (4 - missing_padding)
+    if base64_string:
+        missing_padding = len(base64_string) % 4
+        if missing_padding:
+            base64_string += '=' * (4 - missing_padding)
     return base64_string
 
 # Retrieve the base64 encoded private key from the environment variable
 encoded_key = os.getenv('private_key')
 
 if encoded_key is None:
-    raise ValueError("Environment variable 'PRIVATE_KEY_BASE64' is not set.")
+    print("Environment variable 'private_key' is not set. Skipping key decoding process.")
+else:
+    # Add padding to the encoded key
+    encoded_key = add_base64_padding(encoded_key)
 
-# Add padding to the encoded key
-encoded_key = add_base64_padding(encoded_key)
-
-# Decode the private key
-try:
-    private_key = base64.b64decode(encoded_key)
-except binascii.Error as e:
-    raise ValueError(f"Failed to decode Base64 string: {e}")
-
-private_key_1 = private_key.replace(b'\\n', b'\n')
+    # Decode the private key
+    try:
+        private_key = base64.b64decode(encoded_key)
+        # Replace escaped newlines with actual newlines
+        private_key_1 = private_key.replace(b'\\n', b'\n')
+        print("Private key decoded successfully.")
+    except binascii.Error as e:
+        raise ValueError(f"Failed to decode Base64 string: {e}")