def runCommand(self):
command = self.getCommand()
self.addToHistory(command)
command = self.getConstruct(command)
if command:
tmp_stdout = sys.stdout
class stdoutProxy():
def __init__(self, write_func):
self.write_func = write_func
self.skip = False
def flush(self):
pass
def write(self, text):
if not self.skip:
stripped_text = text.rstrip('\n')
self.write_func(stripped_text)
QtCore.QCoreApplication.processEvents()
self.skip = not self.skip
if type(self.namespace.get(command)) == type(lambda: None):
self.appendPlainText(
"'{}' is a function. Type '{}()' to use it in the Python console."
.format(command, command))
self.newPrompt()
return
sys.stdout = stdoutProxy(self.appendPlainText)
try:
try:
# eval is generally considered bad practice. use it wisely!
# pylint: disable=eval-used
result = eval(command, self.namespace, self.namespace)
if result is not None:
if self.is_json:
print(util.json_encode(result))
else:
self.appendPlainText(repr(result))
except SyntaxError:
# exec is generally considered bad practice. use it wisely!
# pylint: disable=exec-used
exec(command, self.namespace, self.namespace)
except SystemExit:
self.close()
except (Exception, BaseException):
# Catch errors in the network layer as well, as long as it uses BaseException.
traceback_lines = traceback.format_exc().split('\n')
# Remove traceback mentioning this file, and a linebreak
for i in (3, 2, 1, -1):
traceback_lines.pop(i)
self.appendPlainText('\n'.join(traceback_lines))
sys.stdout = tmp_stdout
self.newPrompt()
self.set_json(False)
def main():
# The hook will only be used in the Qt GUI right now
setup_thread_excepthook()
# on osx, delete Process Serial Number arg generated for apps launched in Finder
sys.argv = [x for x in sys.argv if not x.startswith('-psn')]
# 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 Exception('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)
config_options = args.__dict__
config_options = {
key: value
for key, value in config_options.items()
if value is not None and key not in config_variables.get(args.cmd, {})
}
logs.set_level(config_options['verbose'])
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)
try:
if is_bundle and os.path.exists(
os.path.join(sys._MEIPASS, 'is_portable')):
config_options['portable'] = True
except AttributeError:
config_options['portable'] = False
if config_options.get('portable'):
config_options['electrum_sv_path'] = os.path.join(
os.path.dirname(os.path.realpath(__file__)), 'electrum_sv_data')
if config_options.get('file_logging'):
log_path = os.path.join(platform.user_dir(prefer_local=True), "logs")
os.makedirs(log_path, exist_ok=True)
log_path = os.path.join(log_path,
time.strftime("%Y%m%d-%H%M%S") + ".log")
logs.add_file_output(log_path)
if config_options.get('testnet'):
Net.set_to(SVTestnet)
# check uri
uri = config_options.get('url')
if uri:
if not web.is_URI(uri):
print('unknown command:', uri, file=sys.stderr)
sys.exit(1)
config_options['url'] = uri
# todo: defer this to gui
config = SimpleConfig(config_options)
cmdname = config.get('cmd')
# Set the app state proxy
if cmdname == 'gui':
try:
from electrumsv.gui.qt.app_state import QtAppStateProxy
except ImportError as e:
platform.missing_import(e)
QtAppStateProxy(config, 'qt')
else:
AppStateProxy(config, 'cmdline')
# 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:
d = daemon.Daemon(fd, True)
d.start()
app_state.app.run_gui()
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("starting daemon (PID %d)" % pid,
file=sys.stderr)
sys.exit(0)
d = daemon.Daemon(fd, False)
d.start()
if config.get('websocket_server'):
try:
from electrumsv import websockets
except ImportError as e:
platform.missing_import(e)
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("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("Daemon not running; try 'electrum-sv daemon start'")
sys.exit(1)
else:
result = run_offline_command(config, config_options)
# print result
if isinstance(result, str):
print(result)
elif type(result) is dict and result.get('error'):
print(result.get('error'), file=sys.stderr)
elif result is not None:
print(json_encode(result))
sys.exit(0)
#!/usr/bin/env python3
import sys
from electrumsv.network import Network
from electrumsv.util import json_encode
from electrumsv.bitcoin import address_from_string
try:
addr = sys.argv[1]
except Exception:
print("usage: get_history <bitcoin_address>")
sys.exit(1)
n = Network()
n.start()
sh = address_from_string(addr).to_scripthash_hex()
h = n.synchronous_get(('blockchain.scripthash.get_history', [sh]))
print(json_encode(h))
def main():
enforce_requirements()
setup_windows_console()
# The hook will only be used in the Qt GUI right now
setup_thread_excepthook()
# on osx, delete Process Serial Number arg generated for apps launched in Finder
sys.argv = [x for x in sys.argv if not x.startswith('-psn')]
# 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 Exception('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 various constructors
config_options = args.__dict__
config_options = {
key: value
for key, value in config_options.items()
if value is not None and key not in config_variables.get(args.cmd, {})
}
logs.set_level(config_options['verbose'])
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)
portable_base_path = None
try:
if startup.is_bundle and os.path.exists(
os.path.join(sys._MEIPASS, 'is_portable')):
config_options['portable'] = True
# Ensure the wallet data is stored in the same directory as the executable.
portable_base_path = os.path.dirname(sys.executable)
except AttributeError:
config_options['portable'] = False
if config_options.get('portable'):
if portable_base_path is None:
# Default to the same directory the 'electrum-sv' script is in.
portable_base_path = os.path.dirname(os.path.realpath(sys.argv[0]))
config_options['electrum_sv_path'] = os.path.join(
portable_base_path, 'electrum_sv_data')
if config_options.get('file_logging'):
if config_options.get('portable'):
log_path = os.path.join(config_options['electrum_sv_path'], "logs")
else:
log_path = os.path.join(platform.user_dir(prefer_local=True),
"logs")
os.makedirs(log_path, exist_ok=True)
log_path = os.path.join(log_path,
time.strftime("%Y%m%d-%H%M%S") + ".log")
logs.add_file_output(log_path)
if config_options.get('testnet'):
Net.set_to(SVTestnet)
elif config_options.get('scalingtestnet'):
Net.set_to(SVScalingTestnet)
# check uri
uri = config_options.get('url')
if uri:
if not web.is_URI(uri):
print('unknown command:', uri, file=sys.stderr)
sys.exit(1)
config_options['url'] = uri
# todo: defer this to gui
config = SimpleConfig(config_options)
cmdname = config.get('cmd')
# Set the app state proxy
if cmdname == 'gui':
try:
from electrumsv.gui.qt.app_state import QtAppStateProxy
except ImportError as e:
platform.missing_import(e)
QtAppStateProxy(config, 'qt')
elif cmdname == 'daemon' and 'daemon_app_module' in config_options:
load_app_module(config_options['daemon_app_module'], config)
else:
AppStateProxy(config, 'cmdline')
app_state.set_app(DefaultApp())
# 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:
run_app_with_daemon(fd, True, config_options)
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 not app_state.has_app():
print("No application present to run.")
sys.exit(0)
if subcommand == 'start':
if not hasattr(os, "fork"):
print(
f"Starting the daemon is not supported on {sys.platform}."
)
sys.exit(0)
pid = os.fork()
if pid:
print("Starting daemon (PID %d)" % pid,
file=sys.stderr)
sys.exit(0)
run_app_with_daemon(fd, False, config_options)
else:
result = server.daemon(config_options)
else:
server = daemon.get_server(config)
if server is not None:
result = server.daemon(config_options)
else:
print("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("Daemon not running; try 'electrum-sv daemon start'")
sys.exit(1)
else:
result = run_offline_command(config, config_options)
# print result
if isinstance(result, str):
print(result)
elif type(result) is dict and result.get('error'):
print(result.get('error'), file=sys.stderr)
elif result is not None:
print(json_encode(result))
sys.exit(0)
# A simple script that connects to a server and displays block headers
import sys
import time
from electrumsv.simple_config import SimpleConfig
from electrumsv.network import Network
from electrumsv.util import json_encode
# start network
c = SimpleConfig()
network = Network(c)
network.start()
# wait until connected
while network.is_connecting():
time.sleep(0.1)
if not network.is_connected():
print("daemon is not connected")
sys.exit(1)
# 2. send the subscription
callback = lambda response: print(json_encode(response.get('result')))
network.send([('server.version', ["block_headers script", "1.2"])], callback)
network.send([('blockchain.headers.subscribe', [])], callback)
# 3. wait for results
while network.is_connected():
time.sleep(1)
