You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
290 lines
10 KiB
290 lines
10 KiB
#!/usr/bin/env python
|
|
#
|
|
# Electrum - lightweight Bitcoin client
|
|
# Copyright (C) 2015 Thomas Voegtlin
|
|
#
|
|
# 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.
|
|
from __future__ import absolute_import
|
|
from __future__ import division
|
|
from __future__ import print_function
|
|
from __future__ import unicode_literals
|
|
|
|
import ast
|
|
import os
|
|
import sys
|
|
import time
|
|
|
|
# from jsonrpc import JSONRPCResponseManager
|
|
import jsonrpclib
|
|
from jsonrpclib.SimpleJSONRPCServer import SimpleJSONRPCServer, SimpleJSONRPCRequestHandler
|
|
|
|
from .version import ELECTRUM_VERSION
|
|
from .network import Network
|
|
from .util import json_decode, DaemonThread
|
|
from .util import print_msg, print_error, print_stderr, UserCancelled
|
|
from .wallet import Wallet
|
|
from .storage import WalletStorage
|
|
from .commands import known_commands, Commands
|
|
from .simple_config import SimpleConfig
|
|
from .plugins import run_hook
|
|
from .exchange_rate import FxThread
|
|
|
|
|
|
def get_lockfile(config):
|
|
return os.path.join(config.path, 'daemon')
|
|
|
|
|
|
def remove_lockfile(lockfile):
|
|
os.unlink(lockfile)
|
|
|
|
|
|
def get_fd_or_server(config):
|
|
'''Tries to create the lockfile, using O_EXCL to
|
|
prevent races. If it succeeds it returns the FD.
|
|
Otherwise try and connect to the server specified in the lockfile.
|
|
If this succeeds, the server is returned. Otherwise remove the
|
|
lockfile and try again.'''
|
|
lockfile = get_lockfile(config)
|
|
while True:
|
|
try:
|
|
return os.open(lockfile, os.O_CREAT | os.O_EXCL | os.O_WRONLY), None
|
|
except OSError:
|
|
pass
|
|
server = get_server(config)
|
|
if server is not None:
|
|
return None, server
|
|
# Couldn't connect; remove lockfile and try again.
|
|
remove_lockfile(lockfile)
|
|
|
|
|
|
def get_server(config):
|
|
lockfile = get_lockfile(config)
|
|
while True:
|
|
create_time = None
|
|
try:
|
|
with open(lockfile) as f:
|
|
(host, port), create_time = ast.literal_eval(f.read())
|
|
server = jsonrpclib.Server('http://%s:%d' % (host, port))
|
|
# Test daemon is running
|
|
server.ping()
|
|
return server
|
|
except Exception as e:
|
|
print_error("[get_server]", e)
|
|
if not create_time or create_time < time.time() - 1.0:
|
|
return None
|
|
# Sleep a bit and try again; it might have just been started
|
|
time.sleep(1.0)
|
|
|
|
|
|
class RequestHandler(SimpleJSONRPCRequestHandler):
|
|
|
|
def do_OPTIONS(self):
|
|
self.send_response(200)
|
|
self.end_headers()
|
|
|
|
def end_headers(self):
|
|
self.send_header("Access-Control-Allow-Headers",
|
|
"Origin, X-Requested-With, Content-Type, Accept")
|
|
self.send_header("Access-Control-Allow-Origin", "*")
|
|
SimpleJSONRPCRequestHandler.end_headers(self)
|
|
|
|
|
|
class Daemon(DaemonThread):
|
|
|
|
def __init__(self, config, fd):
|
|
DaemonThread.__init__(self)
|
|
self.config = config
|
|
if config.get('offline'):
|
|
self.network = None
|
|
self.fx = None
|
|
else:
|
|
self.network = Network(config)
|
|
self.network.start()
|
|
self.fx = FxThread(config, self.network)
|
|
self.network.add_jobs([self.fx])
|
|
|
|
self.gui = None
|
|
self.wallets = {}
|
|
# Setup JSONRPC server
|
|
self.cmd_runner = Commands(self.config, None, self.network)
|
|
self.init_server(config, fd)
|
|
|
|
def init_server(self, config, fd):
|
|
host = config.get('rpchost', '127.0.0.1')
|
|
port = config.get('rpcport', 0)
|
|
try:
|
|
server = SimpleJSONRPCServer((host, port), logRequests=False, requestHandler=RequestHandler)
|
|
except Exception as e:
|
|
self.print_error('Warning: cannot initialize RPC server on host', host, e)
|
|
self.server = None
|
|
os.close(fd)
|
|
return
|
|
os.write(fd, bytes(repr((server.socket.getsockname(), time.time())), 'utf8'))
|
|
os.close(fd)
|
|
server.timeout = 0.1
|
|
for cmdname in known_commands:
|
|
server.register_function(getattr(self.cmd_runner, cmdname), cmdname)
|
|
server.register_function(self.run_cmdline, 'run_cmdline')
|
|
server.register_function(self.ping, 'ping')
|
|
server.register_function(self.run_daemon, 'daemon')
|
|
server.register_function(self.run_gui, 'gui')
|
|
self.server = server
|
|
|
|
def ping(self):
|
|
return True
|
|
|
|
def run_daemon(self, config_options):
|
|
config = SimpleConfig(config_options)
|
|
sub = config.get('subcommand')
|
|
assert sub in [None, 'start', 'stop', 'status', 'load_wallet', 'close_wallet']
|
|
if sub in [None, 'start']:
|
|
response = "Daemon already running"
|
|
elif sub == 'load_wallet':
|
|
path = config.get_wallet_path()
|
|
wallet = self.load_wallet(path, config.get('password'))
|
|
self.cmd_runner.wallet = wallet
|
|
response = True
|
|
elif sub == 'close_wallet':
|
|
path = config.get_wallet_path()
|
|
if path in self.wallets:
|
|
self.stop_wallet(path)
|
|
response = True
|
|
else:
|
|
response = False
|
|
elif sub == 'status':
|
|
if self.network:
|
|
p = self.network.get_parameters()
|
|
response = {
|
|
'path': self.network.config.path,
|
|
'server': p[0],
|
|
'blockchain_height': self.network.get_local_height(),
|
|
'server_height': self.network.get_server_height(),
|
|
'spv_nodes': len(self.network.get_interfaces()),
|
|
'connected': self.network.is_connected(),
|
|
'auto_connect': p[4],
|
|
'version': ELECTRUM_VERSION,
|
|
'wallets': {k: w.is_up_to_date()
|
|
for k, w in self.wallets.items()},
|
|
'fee_per_kb': self.config.fee_per_kb(),
|
|
}
|
|
else:
|
|
response = "Daemon offline"
|
|
elif sub == 'stop':
|
|
self.stop()
|
|
response = "Daemon stopped"
|
|
return response
|
|
|
|
def run_gui(self, config_options):
|
|
config = SimpleConfig(config_options)
|
|
if self.gui:
|
|
if hasattr(self.gui, 'new_window'):
|
|
path = config.get_wallet_path()
|
|
self.gui.new_window(path, config.get('url'))
|
|
response = "ok"
|
|
else:
|
|
response = "error: current GUI does not support multiple windows"
|
|
else:
|
|
response = "Error: Electrum is running in daemon mode. Please stop the daemon first."
|
|
return response
|
|
|
|
def load_wallet(self, path, password):
|
|
# wizard will be launched if we return
|
|
if path in self.wallets:
|
|
wallet = self.wallets[path]
|
|
return wallet
|
|
storage = WalletStorage(path)
|
|
if not storage.file_exists():
|
|
return
|
|
if storage.is_encrypted():
|
|
if not password:
|
|
return
|
|
storage.decrypt(password)
|
|
if storage.requires_split():
|
|
return
|
|
if storage.requires_upgrade():
|
|
self.print_error('upgrading wallet format')
|
|
storage.upgrade()
|
|
if storage.get_action():
|
|
return
|
|
wallet = Wallet(storage)
|
|
wallet.start_threads(self.network)
|
|
self.wallets[path] = wallet
|
|
return wallet
|
|
|
|
def add_wallet(self, wallet):
|
|
path = wallet.storage.path
|
|
self.wallets[path] = wallet
|
|
|
|
def get_wallet(self, path):
|
|
return self.wallets.get(path)
|
|
|
|
def stop_wallet(self, path):
|
|
wallet = self.wallets.pop(path)
|
|
wallet.stop_threads()
|
|
|
|
def run_cmdline(self, config_options):
|
|
password = config_options.get('password')
|
|
new_password = config_options.get('new_password')
|
|
config = SimpleConfig(config_options)
|
|
config.fee_estimates = self.network.config.fee_estimates.copy()
|
|
cmdname = config.get('cmd')
|
|
cmd = known_commands[cmdname]
|
|
if cmd.requires_wallet:
|
|
path = config.get_wallet_path()
|
|
wallet = self.wallets.get(path)
|
|
if wallet is None:
|
|
return {'error': 'Wallet not open. Use "electrum daemon load_wallet"'}
|
|
else:
|
|
wallet = None
|
|
# arguments passed to function
|
|
args = map(lambda x: config.get(x), cmd.params)
|
|
# decode json arguments
|
|
args = [json_decode(i) for i in args]
|
|
# options
|
|
args += list(map(lambda x: (config_options.get(x) if x in ['password', 'new_password'] else config.get(x)), cmd.options))
|
|
cmd_runner = Commands(config, wallet, self.network)
|
|
func = getattr(cmd_runner, cmd.name)
|
|
result = func(*args)
|
|
return result
|
|
|
|
def run(self):
|
|
while self.is_running():
|
|
self.server.handle_request() if self.server else time.sleep(0.1)
|
|
for k, wallet in self.wallets.items():
|
|
wallet.stop_threads()
|
|
if self.network:
|
|
self.print_error("shutting down network")
|
|
self.network.stop()
|
|
self.network.join()
|
|
self.on_stop()
|
|
|
|
def stop(self):
|
|
self.print_error("stopping, removing lockfile")
|
|
remove_lockfile(get_lockfile(self.config))
|
|
DaemonThread.stop(self)
|
|
|
|
def init_gui(self, config, plugins):
|
|
gui_name = config.get('gui', 'qt')
|
|
if gui_name in ['lite', 'classic']:
|
|
gui_name = 'qt'
|
|
gui = __import__('electrum_gui.' + gui_name, fromlist=['electrum_gui'])
|
|
self.gui = gui.ElectrumGui(config, self, plugins)
|
|
self.gui.main()
|
|
|