def recover(self, msghash, vrs=None, signature=None): hash_bytes = HexBytes(msghash) if vrs is not None: v, r, s = map(hexstr_if_str(to_int), vrs) v_standard = to_standard_v(v) signature_obj = self._keys.Signature(vrs=(v_standard, r, s)) elif signature is not None: signature_bytes = HexBytes(signature) signature_bytes_standard = to_standard_signature_bytes(signature_bytes) signature_obj = self._keys.Signature(signature_bytes=signature_bytes_standard) else: raise TypeError("You must supply the vrs tuple or the signature bytes") pubkey = signature_obj.recover_public_key_from_msg_hash(hash_bytes) return pubkey.to_checksum_address()