Onionr/onionr/coredb/blockmetadb/expiredblocks.py

'''
    Onionr - Private P2P Communication

    Get a list of expired blocks still stored
'''
'''
    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 sqlite3
from onionrutils import epoch
def get_expired_blocks(core_inst):
    '''Returns a list of expired blocks'''
    conn = sqlite3.connect(core_inst.blockDB, timeout=30)
    c = conn.cursor()
    date = int(epoch.get_epoch())

    execute = 'SELECT hash FROM hashes WHERE expire <= %s ORDER BY dateReceived;' % (date,)

    rows = list()
    for row in c.execute(execute):
        for i in row:
            rows.append(i)
    conn.close()
    return rows