# Hydrogram - Telegram MTProto API Client Library for Python

# Copyright (C) 2023-present Hydrogram <https://hydrogram.org>

#

# This file is part of Hydrogram.

#

# Hydrogram is free software: you can redistribute it and/or modify

# it under the terms of the GNU Lesser General Public License as published

# by the Free Software Foundation, either version 3 of the License, or

# (at your option) any later version.

#

# Hydrogram is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

# GNU Lesser General Public License for more details.

#

# You should have received a copy of the GNU Lesser General Public License

# along with Hydrogram. If not, see <http://www.gnu.org/licenses/>.

from __future__ import annotations

import hydrogram

from hydrogram import raw

from hydrogram.utils import compute_password_check

class TransferChatOwnership:

async def transfer_chat_ownership(

self: hydrogram.Client,

chat_id: int | str,

user_id: int | str,

password: str,

) -> bool:

"""Set new chat owner.

.. include:: /_includes/usable-by/users.rst

Parameters:

chat_id (``int`` | ``str``):

Unique identifier (int) or username (str) of the target chat.

user_id (``int`` | ``str``):

Unique identifier (int) or username (str) of the new owner. The ownership can't be transferred to a bot or to a deleted user.

password (``str``):

The 2-step verification password of the current user.

Returns:

``bool``: True on success.

Example:

.. code-block:: python

await app.transfer_chat_ownership(chat_id, user_id, "password")

"""

peer_channel = await self.resolve_peer(chat_id)

peer_user = await self.resolve_peer(user_id)

if not isinstance(peer_channel, raw.types.InputPeerChannel):

raise ValueError("The chat_id must belong to a channel/supergroup.")

if not isinstance(peer_user, raw.types.InputPeerUser):

raise ValueError("The user_id must belong to a user.")

r = await self.invoke(

raw.functions.channels.EditCreator(

channel=peer_channel,

user_id=peer_user,

password=compute_password_check(

await self.invoke(raw.functions.account.GetPassword()), password

),

)

)

return bool(r)