# Module `src.onionrstorage.removeblock`

Onionr - Private P2P Communication.

remove onionr block from meta db

Expand source code

    """Onionr - Private P2P Communication.

    remove onionr block from meta db
    """
    import sys, sqlite3
    import onionrexceptions, onionrstorage
    from onionrutils import stringvalidators
    from coredb import dbfiles
    from onionrblocks import storagecounter
    """
        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/>.
    """

    def remove_block(block):
        """
            remove a block from this node (does not automatically blacklist)

            **You may want blacklist.addToDB(blockHash)
        """

        if stringvalidators.validate_hash(block):
            conn = sqlite3.connect(dbfiles.block_meta_db, timeout=30)
            c = conn.cursor()
            t = (block,)
            c.execute('Delete from hashes where hash=?;', t)
            conn.commit()
            conn.close()
            dataSize = sys.getsizeof(onionrstorage.getData(block))
            storagecounter.StorageCounter().remove_bytes(dataSize)
        else:
            raise onionrexceptions.InvalidHexHash

## Functions

`def remove_block(block)`

  remove a block from this node (does not automatically blacklist)

  **You may want blacklist.addToDB(blockHash)

  Expand source code

      def remove_block(block):
          """
              remove a block from this node (does not automatically blacklist)

              **You may want blacklist.addToDB(blockHash)
          """

          if stringvalidators.validate_hash(block):
              conn = sqlite3.connect(dbfiles.block_meta_db, timeout=30)
              c = conn.cursor()
              t = (block,)
              c.execute('Delete from hashes where hash=?;', t)
              conn.commit()
              conn.close()
              dataSize = sys.getsizeof(onionrstorage.getData(block))
              storagecounter.StorageCounter().remove_bytes(dataSize)
          else:
              raise onionrexceptions.InvalidHexHash