52 lines
2.1 KiB
Python
Executable File
52 lines
2.1 KiB
Python
Executable File
'''
|
|
Onionr - Private P2P Communication
|
|
|
|
Import block data and save it
|
|
'''
|
|
'''
|
|
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 onionrexceptions, logger
|
|
from onionrutils import validatemetadata, blockmetadata
|
|
from coredb import blockmetadb
|
|
import onionrblacklist, onionrstorage
|
|
import onionrcrypto as crypto
|
|
def importBlockFromData(content):
|
|
blacklist = onionrblacklist.OnionrBlackList()
|
|
retData = False
|
|
|
|
dataHash = crypto.hashers.sha3_hash(content)
|
|
|
|
if blacklist.inBlacklist(dataHash):
|
|
raise onionrexceptions.BlacklistedBlock('%s is a blacklisted block' % (dataHash,))
|
|
|
|
try:
|
|
content = content.encode()
|
|
except AttributeError:
|
|
pass
|
|
|
|
metas = blockmetadata.get_block_metadata_from_data(content) # returns tuple(metadata, meta), meta is also in metadata
|
|
metadata = metas[0]
|
|
if validatemetadata.validate_metadata(metadata, metas[2]): # check if metadata is valid
|
|
if crypto.cryptoutils.verify_POW(content): # check if POW is enough/correct
|
|
logger.info('Block passed proof, saving.', terminal=True)
|
|
try:
|
|
blockHash = onionrstorage.set_data(content)
|
|
except onionrexceptions.DiskAllocationReached:
|
|
logger.warn('Failed to save block due to full disk allocation')
|
|
else:
|
|
blockmetadb.add_to_block_DB(blockHash, dataSaved=True)
|
|
blockmetadata.process_block_metadata(blockHash) # caches block metadata values to block database
|
|
retData = True
|
|
return retData |