Onionr/src/coredb/blockmetadb/__init__.py

85 lines
2.4 KiB
Python

"""Onionr - Private P2P Communication.
Work with information relating to blocks stored on the node
"""
import sqlite3
from etc import onionrvalues
from . import expiredblocks, updateblockinfo, add
from .. import dbfiles
"""
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/>.
"""
update_block_info = updateblockinfo.update_block_info
add_to_block_DB = add.add_to_block_DB
def get_block_list(date_rec=None, unsaved=False):
"""Get list of our blocks."""
if date_rec is None:
date_rec = 0
conn = sqlite3.connect(
dbfiles.block_meta_db, timeout=onionrvalues.DATABASE_LOCK_TIMEOUT)
c = conn.cursor()
execute = 'SELECT hash FROM hashes WHERE dateReceived' + \
' >= ? ORDER BY dateReceived ASC;'
args = (date_rec,)
rows = list()
for row in c.execute(execute, args):
for i in row:
rows.append(i)
conn.close()
return rows
def get_block_date(blockHash):
"""Return the date a block was received."""
conn = sqlite3.connect(
dbfiles.block_meta_db, timeout=onionrvalues.DATABASE_LOCK_TIMEOUT)
c = conn.cursor()
execute = 'SELECT dateReceived FROM hashes WHERE hash=?;'
args = (blockHash,)
for row in c.execute(execute, args):
for i in row:
return int(i)
conn.close()
return None
def get_blocks_by_type(blockType, orderDate=True):
"""Return a list of blocks by the type."""
conn = sqlite3.connect(
dbfiles.block_meta_db, timeout=onionrvalues.DATABASE_LOCK_TIMEOUT)
c = conn.cursor()
if orderDate:
execute = 'SELECT hash FROM hashes WHERE dataType=? ORDER BY dateReceived;'
else:
execute = 'SELECT hash FROM hashes WHERE dataType=?;'
args = (blockType,)
rows = list()
for row in c.execute(execute, args):
for i in row:
rows.append(i)
conn.close()
return rows