50 lines
2.1 KiB
Python
50 lines
2.1 KiB
Python
'''
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Onionr - Private P2P Communication
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Update block information in the metadata database by a field name
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'''
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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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import sqlite3
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from .. import dbfiles
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from etc import onionrvalues
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def update_block_info(hash, key, data):
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'''
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sets info associated with a block
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hash - the hash of a block
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dateReceived - the date the block was recieved, not necessarily when it was created
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decrypted - if we can successfully decrypt the block (does not describe its current state)
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dataType - data type of the block
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dataFound - if the data has been found for the block
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dataSaved - if the data has been saved for the block
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sig - optional signature by the author (not optional if author is specified)
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author - multi-round partial sha3-256 hash of authors public key
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dateClaimed - timestamp claimed inside the block, only as trustworthy as the block author is
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expire - expire date for a block
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'''
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if key not in ('dateReceived', 'decrypted', 'dataType', 'dataFound',
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'dataSaved', 'sig', 'author', 'dateClaimed', 'expire'):
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raise ValueError('Key must be in the allowed list')
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conn = sqlite3.connect(dbfiles.block_meta_db, timeout=onionrvalues.DATABASE_LOCK_TIMEOUT)
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c = conn.cursor()
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args = (data, hash)
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# Unfortunately, not really possible
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c.execute("UPDATE hashes SET " + key + " = ? where hash = ?;", args)
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conn.commit()
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conn.close()
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return True |