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import electrum, base64, ast, sys, os
from version import SEED_VERSION
try:
from lib import prompt_password
from lib.util import print_error
except ImportError:
from electrum import prompt_password
from electrum.util import print_error
if __name__ == "__main__":
try:
path = sys.argv[1]
except:
# backward compatibility: look for wallet file in the default data directory
if "HOME" in os.environ:
wallet_dir = os.path.join( os.environ["HOME"], '.electrum')
elif "LOCALAPPDATA" in os.environ:
wallet_dir = os.path.join( os.environ["LOCALAPPDATA"], 'Electrum' )
elif "APPDATA" in os.environ:
wallet_dir = os.path.join( os.environ["APPDATA"], 'Electrum' )
else:
raise BaseException("No home directory found in environment variables.")
path = os.path.join( wallet_dir, 'electrum.dat')
try:
f = open(path,"r")
data = f.read()
f.close()
except:
print_error("Error: File not found: " + path)
exit(1)
try:
x = ast.literal_eval(data)
except:
print_error("Error: Could not parse wallet")
exit(1)
# version <= 0.33 uses a tuple
if type(x) == tuple:
seed_version, use_encryption, fee, host, port, blocks, seed, all_addresses, private_keys, change_indexes, status, history, labels, addressbook = x
print "walet path =",path
print "seed version =", seed_version
if seed_version == 1 and use_encryption:
# version 1 used pycrypto for wallet encryption
import Crypto
from Crypto.Cipher import AES
BLOCK_SIZE = 32
PADDING = '{'
pad = lambda s: s + (BLOCK_SIZE - len(s) % BLOCK_SIZE) * PADDING
EncodeAES = lambda secret, s: base64.b64encode(AES.new(secret).encrypt(pad(s)))
DecodeAES = lambda secret, e: AES.new(secret).decrypt(base64.b64decode(e)).rstrip(PADDING)
print "Please enter your password"
password = prompt_password("Password:")
secret = electrum.Hash(password)
try:
seed = DecodeAES( secret, wallet.seed )
private_keys = ast.literal_eval( DecodeAES( secret, wallet.private_keys ) )
except:
print_error("Error: Password does not decrypt this wallet.")
exit(1)
seed_version = 2
s = repr( (seed_version, use_encryption, fee, host, port, blocks, seed, all_addresses, private_keys, change_indexes, status, history, labels, addressbook ))
f = open(path,"w")
data = f.read()
f.close()
print "Wallet is now unencrypted."
print """This wallet is deprecated.
Please create a new wallet, open the old wallet with Electrum 0.33, and send your coins to your new wallet.
We apologize for the inconvenience. We try to keep this kind of upgrades as rare as possible."""