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LBRY-Vault/electrum
Johann Bauer 91e44ba6fc Show error window for unhandled exceptions 
Use exception hook from main thread for all threads

Use signal to delegate error window creation to GUI thread

Add more information to issue template

Update to PyQt5

Switch from Github to REST-Service

Report to web service instead of opening the browser

Fix imports

Change crashhub URL to electrum.org server

Explain that exception hooks are only used in the Qt Gui now
2018-01-30 10:49:31 +01:00

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#!/usr/bin/env python3
# -*- 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
# from https://gist.github.com/tito/09c42fb4767721dc323d
import threading
try:
import jnius
except:
jnius = None
if jnius:
orig_thread_run = threading.Thread.run
def thread_check_run(*args, **kwargs):
try:
return orig_thread_run(*args, **kwargs)
finally:
jnius.detach()
threading.Thread.run = thread_check_run
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, "electrum.desktop"))
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'))
def check_imports():
# pure-python dependencies need to be imported here for pyinstaller
try:
import dns
import pyaes
import ecdsa
import requests
import qrcode
import pbkdf2
import google.protobuf
import jsonrpclib
except ImportError as e:
sys.exit("Error: %s. Try 'sudo pip install <module-name>'"%str(e))
# 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
# 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_local or is_android:
import imp
imp.load_module('electrum', *imp.find_module('lib'))
imp.load_module('electrum_gui', *imp.find_module('gui'))
imp.load_module('electrum_plugins', *imp.find_module('plugins'))
from electrum import bitcoin, util
from electrum import SimpleConfig, Network
from electrum.wallet import Wallet, Imported_Wallet
from electrum.storage import WalletStorage
from electrum.util import print_msg, print_stderr, json_encode, json_decode
from electrum.util import set_verbosity, InvalidPassword
from electrum.commands import get_parser, known_commands, Commands, config_variables
from electrum import daemon
from electrum import keystore
from electrum.mnemonic import Mnemonic
import electrum_plugins
# 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').strip()
passphrase = config.get('passphrase', '')
password = password_dialog() if keystore.is_private(text) else None
if keystore.is_address_list(text):
wallet = Imported_Wallet(storage)
for x in text.split():
wallet.import_address(x)
elif keystore.is_private_key_list(text):
k = keystore.Imported_KeyStore({})
storage.put('keystore', k.dump())
storage.put('use_encryption', bool(password))
wallet = Imported_Wallet(storage)
for x in text.split():
wallet.import_private_key(x, password)
storage.write()
else:
if keystore.is_seed(text):
k = keystore.from_seed(text, passphrase, False)
elif keystore.is_master_key(text):
k = keystore.from_master_key(text)
else:
sys.exit("Error: Seed or key not recognized")
if password:
k.update_password(None, password)
storage.put('keystore', k.dump())
storage.put('wallet_type', 'standard')
storage.put('use_encryption', bool(password))
storage.write()
wallet = Wallet(storage)
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()
passphrase = config.get('passphrase', '')
seed_type = 'segwit' if config.get('segwit') else 'standard'
seed = Mnemonic('en').make_seed(seed_type)
k = keystore.from_seed(seed, passphrase, False)
storage.put('keystore', k.dump())
storage.put('wallet_type', 'standard')
wallet = Wallet(storage)
wallet.update_password(None, password, True)
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.")
wallet.storage.write()
print_msg("Wallet saved in '%s'" % wallet.storage.path)
sys.exit(0)
def init_daemon(config_options):
config = SimpleConfig(config_options)
storage = WalletStorage(config.get_wallet_path())
if 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)
if storage.is_encrypted():
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
def init_cmdline(config_options, server):
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_wallet and storage.is_encrypted() and server is None)\
or (cmd.requires_password and (storage.get('use_encryption') or storage.is_encrypted())):
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]
password = config_options.get('password')
if cmd.requires_wallet:
storage = WalletStorage(config.get_wallet_path())
if storage.is_encrypted():
storage.decrypt(password)
wallet = Wallet(storage)
else:
wallet = None
# check password
if cmd.requires_password and storage.get('use_encryption'):
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_msg("Warning: running command offline")
# arguments passed to function
args = [config.get(x) for x in cmd.params]
# decode json arguments
if cmdname not in ('setconfig',):
args = list(map(json_decode, args))
# options
kwargs = {}
for x in cmd.options:
kwargs[x] = (config_options.get(x) if x in ['password', 'new_password'] else config.get(x))
cmd_runner = Commands(config, wallet, None)
func = getattr(cmd_runner, cmd.name)
result = func(*args, **kwargs)
# save wallet
if wallet:
wallet.storage.write()
return result
def init_plugins(config, gui_name):
from electrum.plugins import Plugins
return Plugins(config, is_local or is_android, gui_name)
if __name__ == '__main__':
# The hook will only be used in the Qt GUI right now
util.setup_thread_excepthook()
# on osx, delete Process Serial Number arg generated for apps launched in Finder
sys.argv = list(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] = 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__
f = lambda key: config_options[key] is not None and key not in config_variables.get(args.cmd, {}).keys()
config_options = {key: config_options[key] for key in filter(f, config_options.keys())}
if config_options.get('server'):
config_options['auto_connect'] = False
config_options['cwd'] = os.getcwd()
# fixme: this can probably be achieved with a runtime hook (pyinstaller)
if is_bundle and os.path.exists(os.path.join(sys._MEIPASS, 'is_portable')):
config_options['portable'] = True
if config_options.get('portable'):
config_options['electrum_path'] = os.path.join(os.path.dirname(os.path.realpath(__file__)), 'electrum_data')
# kivy sometimes freezes when we write to sys.stderr
set_verbosity(config_options.get('verbose') and config_options.get('gui')!='kivy')
# 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
# todo: defer this to gui
config = SimpleConfig(config_options)
cmdname = config.get('cmd')
if config.get('testnet'):
bitcoin.NetworkConstants.set_testnet()
# run non-RPC commands separately
if cmdname in ['create', 'restore']:
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, True)
d.start()
d.init_gui(config, plugins)
sys.exit(0)
else:
result = server.gui(config_options)
elif cmdname == 'daemon':
subcommand = config.get('subcommand')
if subcommand in ['load_wallet']:
init_daemon(config_options)
if subcommand in [None, 'start']:
fd, server = daemon.get_fd_or_server(config)
if fd is not None:
if subcommand == 'start':
pid = os.fork()
if pid:
print_stderr("starting daemon (PID %d)" % pid)
sys.exit(0)
init_plugins(config, 'cmdline')
d = daemon.Daemon(config, fd, False)
d.start()
if config.get('websocket_server'):
from electrum import websockets
websockets.WebSocketServer(config, d.network).start()
if config.get('requests_dir'):
path = os.path.join(config.get('requests_dir'), 'index.html')
if not os.path.exists(path):
print("Requests directory not configured.")
print("You can configure it using https://github.com/spesmilo/electrum-merchant")
sys.exit(1)
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
server = daemon.get_server(config)
init_cmdline(config_options, server)
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 isinstance(result, str):
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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