Module src.onionrstorage.setdata
Expand source code
import sys, sqlite3
import onionrstorage, onionrexceptions, onionrcrypto as crypto
import filepaths
from onionrblocks import storagecounter
from coredb import dbfiles
from onionrutils import blockmetadata, bytesconverter
def set_data(data)->str:
'''
Set the data assciated with a hash
'''
storage_counter = storagecounter.StorageCounter()
data = data
dataSize = sys.getsizeof(data)
nonce_hash = crypto.hashers.sha3_hash(bytesconverter.str_to_bytes(blockmetadata.fromdata.get_block_metadata_from_data(data)[2]))
nonce_hash = bytesconverter.bytes_to_str(nonce_hash)
if not type(data) is bytes:
data = data.encode()
dataHash = crypto.hashers.sha3_hash(data)
if type(dataHash) is bytes:
dataHash = dataHash.decode()
blockFileName = filepaths.block_data_location + dataHash + '.dat'
try:
onionrstorage.getData(dataHash)
except onionrexceptions.NoDataAvailable:
if storage_counter.add_bytes(dataSize) != False:
onionrstorage.store(data, blockHash=dataHash)
conn = sqlite3.connect(dbfiles.block_meta_db, timeout=30)
c = conn.cursor()
c.execute("UPDATE hashes SET dataSaved=1 WHERE hash = ?;", (dataHash,))
conn.commit()
conn.close()
with open(filepaths.data_nonce_file, 'a') as nonceFile:
nonceFile.write(nonce_hash + '\n')
else:
raise onionrexceptions.DiskAllocationReached
else:
raise onionrexceptions.DataExists("Data is already set for " + dataHash)
return dataHash
Functions
def set_data(data)
-
Set the data assciated with a hash
Expand source code
def set_data(data)->str: ''' Set the data assciated with a hash ''' storage_counter = storagecounter.StorageCounter() data = data dataSize = sys.getsizeof(data) nonce_hash = crypto.hashers.sha3_hash(bytesconverter.str_to_bytes(blockmetadata.fromdata.get_block_metadata_from_data(data)[2])) nonce_hash = bytesconverter.bytes_to_str(nonce_hash) if not type(data) is bytes: data = data.encode() dataHash = crypto.hashers.sha3_hash(data) if type(dataHash) is bytes: dataHash = dataHash.decode() blockFileName = filepaths.block_data_location + dataHash + '.dat' try: onionrstorage.getData(dataHash) except onionrexceptions.NoDataAvailable: if storage_counter.add_bytes(dataSize) != False: onionrstorage.store(data, blockHash=dataHash) conn = sqlite3.connect(dbfiles.block_meta_db, timeout=30) c = conn.cursor() c.execute("UPDATE hashes SET dataSaved=1 WHERE hash = ?;", (dataHash,)) conn.commit() conn.close() with open(filepaths.data_nonce_file, 'a') as nonceFile: nonceFile.write(nonce_hash + '\n') else: raise onionrexceptions.DiskAllocationReached else: raise onionrexceptions.DataExists("Data is already set for " + dataHash) return dataHash