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#!/usr/bin/env python2
# -*- mode: python -*-
#
# Electrum - lightweight Bitcoin client
# Copyright (C) 2011 thomasv@gitorious
#
# Permission is hereby granted, free of charge, to any person
# obtaining a copy of this software and associated documentation files
# (the "Software"), to deal in the Software without restriction,
# including without limitation the rights to use, copy, modify, merge,
# publish, distribute, sublicense, and/or sell copies of the Software,
# and to permit persons to whom the Software is furnished to do so,
# subject to the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
# BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
# ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
import os
import sys
script_dir = os.path.dirname(os.path.realpath(__file__))
is_bundle = getattr(sys, 'frozen', False)
is_local = not is_bundle and os.path.exists(os.path.join(script_dir, "setup-release.py"))
is_android = 'ANDROID_DATA' in os.environ
# move this back to gui/kivy/__init.py once plugins are moved
os.environ['KIVY_DATA_DIR'] = os.path.abspath(os.path.dirname(__file__)) + '/gui/kivy/data/'
if is_local or is_android:
sys.path.insert(0, os.path.join(script_dir, 'packages'))
elif is_bundle and sys.platform=='darwin':
sys.path.insert(0, os.getcwd() + "/lib/python2.7/packages")
def check_imports():
# pure-python dependencies need to be imported here for pyinstaller
try:
import dns
import aes
import ecdsa
import requests
import six
import qrcode
import pbkdf2
import google.protobuf
import jsonrpclib
except ImportError as e:
sys.exit("Error: %s. Try 'sudo pip install <module-name>'"%e.message)
# the following imports are for pyinstaller
from google.protobuf import descriptor
from google.protobuf import message
from google.protobuf import reflection
from google.protobuf import descriptor_pb2
from jsonrpclib import SimpleJSONRPCServer
# check that we have the correct version of ecdsa
try:
from ecdsa.ecdsa import curve_secp256k1, generator_secp256k1
except Exception:
sys.exit("cannot import ecdsa.curve_secp256k1. You probably need to upgrade ecdsa.\nTry: sudo pip install --upgrade ecdsa")
# make sure that certificates are here
assert os.path.exists(requests.utils.DEFAULT_CA_BUNDLE_PATH)
if not is_android:
check_imports()
# load local module as electrum
if is_bundle or is_local or is_android:
import imp
imp.load_module('electrum', *imp.find_module('lib'))
imp.load_module('electrum_gui', *imp.find_module('gui'))
from electrum import SimpleConfig, Network, Wallet, WalletStorage
from electrum.util import print_msg, print_stderr, json_encode, json_decode
from electrum.util import set_verbosity, InvalidPassword, check_www_dir
from electrum.commands import get_parser, known_commands, Commands, config_variables
from electrum import daemon
# get password routine
def prompt_password(prompt, confirm=True):
import getpass
password = getpass.getpass(prompt, stream=None)
if password and confirm:
password2 = getpass.getpass("Confirm: ")
if password != password2:
sys.exit("Error: Passwords do not match.")
if not password:
password = None
return password
def run_non_RPC(config):
cmdname = config.get('cmd')
storage = WalletStorage(config.get_wallet_path())
if storage.file_exists:
sys.exit("Error: Remove the existing wallet first!")
def password_dialog():
return prompt_password("Password (hit return if you do not wish to encrypt your wallet):")
if cmdname == 'restore':
text = config.get('text')
password = password_dialog() if Wallet.is_seed(text) or Wallet.is_xprv(text) or Wallet.is_private_key(text) else None
try:
wallet = Wallet.from_text(text, password, storage)
except BaseException as e:
sys.exit(str(e))
wallet.create_main_account()
if not config.get('offline'):
network = Network(config)
network.start()
wallet.start_threads(network)
print_msg("Recovering wallet...")
wallet.synchronize()
wallet.wait_until_synchronized()
msg = "Recovery successful" if wallet.is_found() else "Found no history for this wallet"
else:
msg = "This wallet was restored offline. It may contain more addresses than displayed."
print_msg(msg)
elif cmdname == 'create':
password = password_dialog()
wallet = Wallet(storage)
seed = wallet.make_seed()
wallet.add_seed(seed, password)
wallet.create_master_keys(password)
wallet.create_main_account()
wallet.synchronize()
print_msg("Your wallet generation seed is:\n\"%s\"" % seed)
print_msg("Please keep it in a safe place; if you lose it, you will not be able to restore your wallet.")
elif cmdname == 'deseed':
if not wallet.seed:
print_msg("Error: This wallet has no seed")
else:
ns = wallet.storage.path + '.seedless'
print_msg("Warning: you are going to create a seedless wallet'\nIt will be saved in '%s'" % ns)
if raw_input("Are you sure you want to continue? (y/n) ") in ['y', 'Y', 'yes']:
wallet.storage.path = ns
wallet.seed = ''
wallet.storage.put('seed', '')
wallet.use_encryption = False
wallet.storage.put('use_encryption', wallet.use_encryption)
for k in wallet.imported_keys.keys():
wallet.imported_keys[k] = ''
wallet.storage.put('imported_keys', wallet.imported_keys)
print_msg("Done.")
else:
print_msg("Action canceled.")
wallet.storage.write()
sys.exit(0)
wallet.storage.write()
print_msg("Wallet saved in '%s'" % wallet.storage.path)
sys.exit(0)
def init_cmdline(config_options):
config = SimpleConfig(config_options)
cmdname = config.get('cmd')
cmd = known_commands[cmdname]
if cmdname == 'signtransaction' and config.get('privkey'):
cmd.requires_wallet = False
cmd.requires_password = False
if cmdname in ['payto', 'paytomany'] and config.get('unsigned'):
cmd.requires_password = False
if cmdname in ['payto', 'paytomany'] and config.get('broadcast'):
cmd.requires_network = True
# instanciate wallet for command-line
storage = WalletStorage(config.get_wallet_path())
if cmd.requires_wallet and not storage.file_exists:
print_msg("Error: Wallet file not found.")
print_msg("Type 'electrum create' to create a new wallet, or provide a path to a wallet with the -w option")
sys.exit(0)
# important warning
if cmd.name in ['getprivatekeys']:
print_stderr("WARNING: ALL your private keys are secret.")
print_stderr("Exposing a single private key can compromise your entire wallet!")
print_stderr("In particular, DO NOT use 'redeem private key' services proposed by third parties.")
# commands needing password
if cmd.requires_password and storage.get('use_encryption'):
if config.get('password'):
password = config.get('password')
else:
password = prompt_password('Password:', False)
if not password:
print_msg("Error: Password required")
sys.exit(1)
else:
password = None
config_options['password'] = password
if cmd.name == 'password':
new_password = prompt_password('New password:')
config_options['new_password'] = new_password
return cmd, password
def run_offline_command(config, config_options):
cmdname = config.get('cmd')
cmd = known_commands[cmdname]
storage = WalletStorage(config.get_wallet_path())
wallet = Wallet(storage) if cmd.requires_wallet else None
# check password
if cmd.requires_password and storage.get('use_encryption'):
password = config_options.get('password')
try:
seed = wallet.check_password(password)
except InvalidPassword:
print_msg("Error: This password does not decode this wallet.")
sys.exit(1)
if cmd.requires_network:
print_stderr("Warning: running command offline")
# arguments passed to function
args = map(lambda x: config.get(x), cmd.params)
# decode json arguments
args = map(json_decode, args)
# options
args += map(lambda x: config.get(x), cmd.options)
cmd_runner = Commands(config, wallet, None,
password=config_options.get('password'),
new_password=config_options.get('new_password'))
func = getattr(cmd_runner, cmd.name)
result = func(*args)
# save wallet
if wallet:
wallet.storage.write()
return result
def init_plugins(config, gui_name):
from electrum.plugins import Plugins
return Plugins(config, is_bundle or is_local or is_android, gui_name)
if __name__ == '__main__':
# on osx, delete Process Serial Number arg generated for apps launched in Finder
sys.argv = filter(lambda x: not x.startswith('-psn'), sys.argv)
# old 'help' syntax
if len(sys.argv)>1 and sys.argv[1] == 'help':
sys.argv.remove('help')
sys.argv.append('-h')
# read arguments from stdin pipe and prompt
for i, arg in enumerate(sys.argv):
if arg == '-':
if not sys.stdin.isatty():
sys.argv[i] = sys.stdin.read()
break
else:
raise BaseException('Cannot get argument from stdin')
elif arg == '?':
sys.argv[i] = raw_input("Enter argument:")
elif arg == ':':
sys.argv[i] = prompt_password('Enter argument (will not echo):', False)
# parse command line
parser = get_parser()
args = parser.parse_args()
# config is an object passed to the various constructors (wallet, interface, gui)
if is_android:
config_options = {
'verbose': True,
'cmd': 'gui',
'gui': 'kivy',
}
else:
config_options = args.__dict__
for k, v in config_options.items():
if v is None or (k in config_variables.get(args.cmd, {}).keys()):
config_options.pop(k)
if config_options.get('server'):
config_options['auto_connect'] = False
config_options['cwd'] = os.getcwd()
if config_options.get('portable'):
config_options['electrum_path'] = os.path.join(os.path.dirname(os.path.realpath(__file__)), 'electrum_data')
set_verbosity(config_options.get('verbose'))
# check uri
uri = config_options.get('url')
if uri:
if not uri.startswith('bitcoin:'):
print_stderr('unknown command:', uri)
sys.exit(1)
config_options['url'] = uri
config = SimpleConfig(config_options)
cmdname = config.get('cmd')
# run non-RPC commands separately
if cmdname in ['create', 'restore', 'deseed']:
run_non_RPC(config)
sys.exit(0)
if cmdname == 'gui':
fd, server = daemon.get_fd_or_server(config)
if fd is not None:
plugins = init_plugins(config, config.get('gui', 'qt'))
d = daemon.Daemon(config, fd)
d.start()
d.init_gui(config, plugins)
sys.exit(0)
else:
result = server.gui(config_options)
elif cmdname == 'daemon':
subcommand = config.get('subcommand')
assert subcommand in ['start', 'stop', 'status']
if subcommand == 'start':
fd, server = daemon.get_fd_or_server(config)
if fd is not None:
pid = os.fork()
if pid:
print_stderr("starting daemon (PID %d)" % pid)
sys.exit(0)
init_plugins(config, 'cmdline')
d = daemon.Daemon(config, fd)
d.start()
if config.get('websocket_server'):
from electrum import websockets
websockets.WebSocketServer(config, d.network).start()
if config.get('requests_dir'):
check_www_dir(config.get('requests_dir'))
d.join()
sys.exit(0)
else:
result = server.daemon(config_options)
else:
server = daemon.get_server(config)
if server is not None:
result = server.daemon(config_options)
else:
print_msg("Daemon not running")
sys.exit(1)
else:
# command line
init_cmdline(config_options)
server = daemon.get_server(config)
if server is not None:
result = server.run_cmdline(config_options)
else:
cmd = known_commands[cmdname]
if cmd.requires_network:
print_msg("Daemon not running; try 'electrum daemon start'")
sys.exit(1)
else:
init_plugins(config, 'cmdline')
result = run_offline_command(config, config_options)
# print result
if type(result) in [str, unicode]:
print_msg(result)
elif type(result) is dict and result.get('error'):
print_stderr(result.get('error'))
elif result is not None:
print_msg(json_encode(result))
sys.exit(0)
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