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398 lines
14 KiB
398 lines
14 KiB
#!/usr/bin/env python3
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# -*- mode: python -*-
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#
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# Electrum - lightweight Bitcoin client
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# Copyright (C) 2011 thomasv@gitorious
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#
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# Permission is hereby granted, free of charge, to any person
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# obtaining a copy of this software and associated documentation files
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# (the "Software"), to deal in the Software without restriction,
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# including without limitation the rights to use, copy, modify, merge,
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# publish, distribute, sublicense, and/or sell copies of the Software,
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# and to permit persons to whom the Software is furnished to do so,
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# subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be
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# included in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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# BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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# ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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import os
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import sys
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script_dir = os.path.dirname(os.path.realpath(__file__))
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is_bundle = getattr(sys, 'frozen', False)
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is_local = not is_bundle and os.path.exists(os.path.join(script_dir, "electrum.desktop"))
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is_android = 'ANDROID_DATA' in os.environ
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# move this back to gui/kivy/__init.py once plugins are moved
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os.environ['KIVY_DATA_DIR'] = os.path.abspath(os.path.dirname(__file__)) + '/electrum/gui/kivy/data/'
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if is_local or is_android:
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sys.path.insert(0, os.path.join(script_dir, 'packages'))
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def check_imports():
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# pure-python dependencies need to be imported here for pyinstaller
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try:
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import dns
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import pyaes
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import ecdsa
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import requests
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import qrcode
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import google.protobuf
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import jsonrpclib
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import aiorpcx
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except ImportError as e:
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sys.exit("Error: %s. Try 'sudo pip install <module-name>'"%str(e))
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# the following imports are for pyinstaller
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from google.protobuf import descriptor
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from google.protobuf import message
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from google.protobuf import reflection
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from google.protobuf import descriptor_pb2
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from jsonrpclib import SimpleJSONRPCServer
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# make sure that certificates are here
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assert os.path.exists(requests.utils.DEFAULT_CA_BUNDLE_PATH)
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if not is_android:
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check_imports()
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from electrum import util
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from electrum import constants
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from electrum import SimpleConfig
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from electrum.wallet import Wallet
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from electrum.storage import WalletStorage, get_derivation_used_for_hw_device_encryption
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from electrum.util import print_msg, print_stderr, json_encode, json_decode, UserCancelled
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from electrum.util import set_verbosity, InvalidPassword
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from electrum.commands import get_parser, known_commands, Commands, config_variables
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from electrum import daemon
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from electrum import keystore
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# get password routine
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def prompt_password(prompt, confirm=True):
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import getpass
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password = getpass.getpass(prompt, stream=None)
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if password and confirm:
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password2 = getpass.getpass("Confirm: ")
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if password != password2:
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sys.exit("Error: Passwords do not match.")
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if not password:
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password = None
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return password
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def init_daemon(config_options):
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config = SimpleConfig(config_options)
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storage = WalletStorage(config.get_wallet_path())
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if not storage.file_exists():
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print_msg("Error: Wallet file not found.")
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print_msg("Type 'electrum create' to create a new wallet, or provide a path to a wallet with the -w option")
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sys.exit(0)
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if storage.is_encrypted():
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if storage.is_encrypted_with_hw_device():
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plugins = init_plugins(config, 'cmdline')
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password = get_password_for_hw_device_encrypted_storage(plugins)
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elif config.get('password'):
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password = config.get('password')
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else:
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password = prompt_password('Password:', False)
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if not password:
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print_msg("Error: Password required")
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sys.exit(1)
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else:
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password = None
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config_options['password'] = password
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def init_cmdline(config_options, server):
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config = SimpleConfig(config_options)
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cmdname = config.get('cmd')
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cmd = known_commands[cmdname]
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if cmdname == 'signtransaction' and config.get('privkey'):
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cmd.requires_wallet = False
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cmd.requires_password = False
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if cmdname in ['payto', 'paytomany'] and config.get('unsigned'):
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cmd.requires_password = False
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if cmdname in ['payto', 'paytomany'] and config.get('broadcast'):
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cmd.requires_network = True
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# instantiate wallet for command-line
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storage = WalletStorage(config.get_wallet_path())
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if cmd.requires_wallet and not storage.file_exists():
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print_msg("Error: Wallet file not found.")
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print_msg("Type 'electrum create' to create a new wallet, or provide a path to a wallet with the -w option")
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sys.exit(0)
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# important warning
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if cmd.name in ['getprivatekeys']:
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print_stderr("WARNING: ALL your private keys are secret.")
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print_stderr("Exposing a single private key can compromise your entire wallet!")
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print_stderr("In particular, DO NOT use 'redeem private key' services proposed by third parties.")
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# commands needing password
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if (cmd.requires_wallet and storage.is_encrypted() and server is None)\
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or (cmd.requires_password and (storage.get('use_encryption') or storage.is_encrypted())):
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if storage.is_encrypted_with_hw_device():
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# this case is handled later in the control flow
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password = None
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elif config.get('password'):
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password = config.get('password')
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else:
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password = prompt_password('Password:', False)
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if not password:
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print_msg("Error: Password required")
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sys.exit(1)
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else:
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password = None
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config_options['password'] = config_options.get('password') or password
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if cmd.name == 'password':
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new_password = prompt_password('New password:')
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config_options['new_password'] = new_password
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def get_connected_hw_devices(plugins):
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support = plugins.get_hardware_support()
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if not support:
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print_msg('No hardware wallet support found on your system.')
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sys.exit(1)
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# scan devices
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devices = []
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devmgr = plugins.device_manager
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for name, description, plugin in support:
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try:
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u = devmgr.unpaired_device_infos(None, plugin)
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except:
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devmgr.print_error("error", name)
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continue
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devices += list(map(lambda x: (name, x), u))
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return devices
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def get_password_for_hw_device_encrypted_storage(plugins):
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devices = get_connected_hw_devices(plugins)
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if len(devices) == 0:
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print_msg("Error: No connected hw device found. Cannot decrypt this wallet.")
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sys.exit(1)
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elif len(devices) > 1:
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print_msg("Warning: multiple hardware devices detected. "
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"The first one will be used to decrypt the wallet.")
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# FIXME we use the "first" device, in case of multiple ones
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name, device_info = devices[0]
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plugin = plugins.get_plugin(name)
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derivation = get_derivation_used_for_hw_device_encryption()
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try:
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xpub = plugin.get_xpub(device_info.device.id_, derivation, 'standard', plugin.handler)
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except UserCancelled:
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sys.exit(0)
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password = keystore.Xpub.get_pubkey_from_xpub(xpub, ())
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return password
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def run_offline_command(config, config_options, plugins):
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cmdname = config.get('cmd')
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cmd = known_commands[cmdname]
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password = config_options.get('password')
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if cmd.requires_wallet:
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storage = WalletStorage(config.get_wallet_path())
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if storage.is_encrypted():
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if storage.is_encrypted_with_hw_device():
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password = get_password_for_hw_device_encrypted_storage(plugins)
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config_options['password'] = password
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storage.decrypt(password)
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wallet = Wallet(storage)
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else:
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wallet = None
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# check password
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if cmd.requires_password and wallet.has_password():
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try:
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wallet.check_password(password)
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except InvalidPassword:
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print_msg("Error: This password does not decode this wallet.")
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sys.exit(1)
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if cmd.requires_network:
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print_msg("Warning: running command offline")
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# arguments passed to function
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args = [config.get(x) for x in cmd.params]
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# decode json arguments
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if cmdname not in ('setconfig',):
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args = list(map(json_decode, args))
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# options
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kwargs = {}
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for x in cmd.options:
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kwargs[x] = (config_options.get(x) if x in ['password', 'new_password'] else config.get(x))
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cmd_runner = Commands(config, wallet, None)
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func = getattr(cmd_runner, cmd.name)
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result = func(*args, **kwargs)
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# save wallet
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if wallet:
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wallet.storage.write()
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return result
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def init_plugins(config, gui_name):
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from electrum.plugin import Plugins
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return Plugins(config, gui_name)
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if __name__ == '__main__':
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# The hook will only be used in the Qt GUI right now
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util.setup_thread_excepthook()
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# on macOS, delete Process Serial Number arg generated for apps launched in Finder
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sys.argv = list(filter(lambda x: not x.startswith('-psn'), sys.argv))
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# old 'help' syntax
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if len(sys.argv) > 1 and sys.argv[1] == 'help':
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sys.argv.remove('help')
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sys.argv.append('-h')
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# old '-v' syntax
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try:
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i = sys.argv.index('-v')
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except ValueError:
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pass
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else:
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sys.argv[i] = '-v*'
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# read arguments from stdin pipe and prompt
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for i, arg in enumerate(sys.argv):
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if arg == '-':
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if not sys.stdin.isatty():
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sys.argv[i] = sys.stdin.read()
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break
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else:
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raise Exception('Cannot get argument from stdin')
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elif arg == '?':
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sys.argv[i] = input("Enter argument:")
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elif arg == ':':
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sys.argv[i] = prompt_password('Enter argument (will not echo):', False)
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# parse command line
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parser = get_parser()
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args = parser.parse_args()
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# config is an object passed to the various constructors (wallet, interface, gui)
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if is_android:
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config_options = {
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'verbosity': '',
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'cmd': 'gui',
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'gui': 'kivy',
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}
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else:
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config_options = args.__dict__
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f = lambda key: config_options[key] is not None and key not in config_variables.get(args.cmd, {}).keys()
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config_options = {key: config_options[key] for key in filter(f, config_options.keys())}
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if config_options.get('server'):
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config_options['auto_connect'] = False
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config_options['cwd'] = os.getcwd()
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# fixme: this can probably be achieved with a runtime hook (pyinstaller)
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if is_bundle and os.path.exists(os.path.join(sys._MEIPASS, 'is_portable')):
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config_options['portable'] = True
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if config_options.get('portable'):
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config_options['electrum_path'] = os.path.join(os.path.dirname(os.path.realpath(__file__)), 'electrum_data')
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# kivy sometimes freezes when we write to sys.stderr
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set_verbosity(config_options.get('verbosity') if config_options.get('gui') != 'kivy' else '')
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# check uri
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uri = config_options.get('url')
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if uri:
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if not uri.startswith('bitcoin:'):
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print_stderr('unknown command:', uri)
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sys.exit(1)
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config_options['url'] = uri
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# todo: defer this to gui
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config = SimpleConfig(config_options)
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cmdname = config.get('cmd')
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if config.get('testnet'):
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constants.set_testnet()
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elif config.get('regtest'):
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constants.set_regtest()
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elif config.get('simnet'):
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constants.set_simnet()
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if cmdname == 'gui':
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fd, server = daemon.get_fd_or_server(config)
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if fd is not None:
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plugins = init_plugins(config, config.get('gui', 'qt'))
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d = daemon.Daemon(config, fd)
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d.init_gui(config, plugins)
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sys.exit(0)
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else:
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result = server.gui(config_options)
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elif cmdname == 'daemon':
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subcommand = config.get('subcommand')
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if subcommand in ['load_wallet']:
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init_daemon(config_options)
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if subcommand in [None, 'start']:
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fd, server = daemon.get_fd_or_server(config)
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if fd is not None:
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if subcommand == 'start':
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pid = os.fork()
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if pid:
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print_stderr("starting daemon (PID %d)" % pid)
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sys.exit(0)
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init_plugins(config, 'cmdline')
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d = daemon.Daemon(config, fd)
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if config.get('websocket_server'):
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from electrum import websockets
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websockets.WebSocketServer(config, d.network)
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if config.get('requests_dir'):
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path = os.path.join(config.get('requests_dir'), 'index.html')
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if not os.path.exists(path):
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print("Requests directory not configured.")
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print("You can configure it using https://github.com/spesmilo/electrum-merchant")
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sys.exit(1)
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d.join()
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sys.exit(0)
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else:
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result = server.daemon(config_options)
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else:
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server = daemon.get_server(config)
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if server is not None:
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result = server.daemon(config_options)
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else:
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print_msg("Daemon not running")
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sys.exit(1)
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else:
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# command line
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server = daemon.get_server(config)
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init_cmdline(config_options, server)
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if server is not None:
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result = server.run_cmdline(config_options)
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else:
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cmd = known_commands[cmdname]
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if cmd.requires_network:
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print_msg("Daemon not running; try 'electrum daemon start'")
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sys.exit(1)
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else:
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plugins = init_plugins(config, 'cmdline')
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result = run_offline_command(config, config_options, plugins)
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# print result
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if isinstance(result, str):
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print_msg(result)
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elif type(result) is dict and result.get('error'):
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print_stderr(result.get('error'))
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elif result is not None:
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print_msg(json_encode(result))
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sys.exit(0)
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