Fetch full info from channel username

telethon-channel_info.py

access_hash = await db.fetchval(
    '''
    SELECT extra ->> 'access_hash'
    FROM scanning.accounts
    WHERE channel = $1
    ''',
    'tg'
)

tg = TelegramStreaming(
    rules=None,
    loop=loop,
    access_hash=access_hash
)

await tg.client.start(phone=TelegramClient.PHONE)

# await self.client(functions.channels.GetFullChannelRequest(channel=channel_id))
channel_info = await tg.get_channel_full_info('kimkibabaduk')

print(channel_info)

print('\n')

print(channel_info.stringify())