43 lines
1.4 KiB
Python
43 lines
1.4 KiB
Python
|
'''
|
||
|
|
Onionr - Private P2P Communication
|
||
|
|
|
||
|
|
Returns a bool if a block is in the block metadata db 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 sqlite3
|
||
|
|
from coredb import dbfiles
|
||
|
|
import onionrexceptions
|
||
|
|
from .. import stringvalidators
|
||
|
|
|
||
|
|
def has_block(hash: str) -> bool:
|
||
|
|
'''
|
||
|
|
Check for new block in the block meta db
|
||
|
|
'''
|
||
|
|
conn = sqlite3.connect(dbfiles.block_meta_db)
|
||
|
|
c = conn.cursor()
|
||
|
|
if not stringvalidators.validate_hash(hash):
|
||
|
|
raise onionrexceptions.InvalidHexHash("Invalid hash")
|
||
|
|
for result in c.execute("SELECT COUNT() FROM hashes WHERE hash = ?", (hash,)):
|
||
|
|
if result[0] >= 1:
|
||
|
|
conn.commit()
|
||
|
|
conn.close()
|
||
|
|
return True
|
||
|
|
else:
|
||
|
|
conn.commit()
|
||
|
|
conn.close()
|
||
|
|
return False
|
||
|
|
return False
|