feat: expose code property on Encoder class

multibase/multibase.py

@@ -208,6 +208,16 @@ def __init__(self, encoding):
         self.encoding = encoding
         self._codec = ENCODINGS_LOOKUP[encoding]
 
+    @property
+    def code(self) -> bytes:
+        """
+        The multibase prefix byte for this encoding.
+
+        :return: prefix byte
+        :rtype: bytes
+        """
+        return self._codec.code
+
     def encode(self, data):
         """
         Encode data using this encoder's encoding.

tests/test_multibase.py

@@ -184,6 +184,7 @@ def test_encoder_class():
     """Test Encoder class."""
     encoder = Encoder("base64")
     assert encoder.encoding == "base64"
+    assert encoder.code == b"m"
 
     encoded = encoder.encode("hello")
     assert encoded.startswith(b"m")