53 lines
1.7 KiB
Python
53 lines
1.7 KiB
Python
"""Onionr - Private P2P Communication.
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remove onionr block from meta db
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"""
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import sys
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import sqlite3
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import onionrexceptions
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import onionrstorage
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from onionrutils import stringvalidators
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from coredb import dbfiles
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from onionrblocks import storagecounter
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from etc.onionrvalues import DATABASE_LOCK_TIMEOUT
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"""
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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"""
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storage_counter = storagecounter.StorageCounter()
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def remove_block(block):
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"""Remove a block from this node.
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(does not automatically blacklist).
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**You may want blacklist.addToDB(blockHash)
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"""
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if stringvalidators.validate_hash(block):
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try:
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data_size = sys.getsizeof(onionrstorage.getData(block))
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except onionrexceptions.NoDataAvailable:
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data_size = 0
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conn = sqlite3.connect(
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dbfiles.block_meta_db, timeout=DATABASE_LOCK_TIMEOUT)
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c = conn.cursor()
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t = (block,)
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c.execute('Delete from hashes where hash=?;', t)
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conn.commit()
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conn.close()
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if data_size:
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storage_counter.remove_bytes(data_size)
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else:
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raise onionrexceptions.InvalidHexHash
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