# Copyright (c) 2021 Emanuele Bellocchia
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# THE SOFTWARE.

"""Module with interface for address encoding classes."""

# Imports
from abc import ABC, abstractmethod
from typing import Any


class IAddrDecoder(ABC):
    """Address decoder interface."""

    @staticmethod
    @abstractmethod
    def DecodeAddr(addr: str,
                   **kwargs: Any) -> bytes:
        """
        Decode an address to bytes.
        Depending on the coin, the result can be a public key or a public key hash bytes.

        Args:
            addr (str): Address string
            **kwargs  : Arbitrary arguments depending on the address type

        Returns:
            bytes: Public key bytes or public key hash

        Raises:
            ValueError: If the address encoding is not valid
        """