'''
    Onionr - Private P2P Communication

    Function to check if an onion server is created for a peer or not
'''
'''
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program 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 General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <https://www.gnu.org/licenses/>.
'''
import deadsimplekv

import filepaths
from onionrutils import bytesconverter

def server_exists(peer: str) -> bool:
    '''checks if an onion server is created for a peer or not'''
    peer = bytesconverter.bytes_to_str(peer)
    kv = deadsimplekv.DeadSimpleKV(filepaths.cached_storage)
    kv.refresh()
    return not kv.get('dc-' + peer) is None