def setUpClass(cls):
settings.set_data_dir('.')
Blockchain.DeregisterBlockchain()
super(BlockchainFixtureTestCase, cls).setUpClass()
if not os.path.exists(cls.FIXTURE_FILENAME):
logzero.logger.info(
"downloading fixture block database from %s. this may take a while" % cls.FIXTURE_REMOTE_LOC)
response = requests.get(cls.FIXTURE_REMOTE_LOC, stream=True)
response.raise_for_status()
with open(cls.FIXTURE_FILENAME, 'wb+') as handle:
for block in response.iter_content(1024):
handle.write(block)
try:
tar = tarfile.open(cls.FIXTURE_FILENAME)
tar.extractall()
tar.close()
except Exception as e:
raise Exception("Could not extract tar file - %s. You may want need to remove the fixtures file %s manually to fix this." % (e, cls.FIXTURE_FILENAME))
if not os.path.exists(cls.leveldb_testpath()):
raise Exception("Error downloading fixtures at %s %s" % (os.getcwd(), cls.leveldb_testpath()))
cls._blockchain = TestLevelDBBlockchain(path=cls.leveldb_testpath())
Blockchain.RegisterBlockchain(cls._blockchain)
def main():
parser = argparse.ArgumentParser()
parser.add_argument("-m",
"--mainnet",
action="store_true",
default=False,
help="use MainNet instead of the default TestNet")
parser.add_argument("-c",
"--config",
action="store",
help="Use a specific config file")
parser.add_argument("-n",
"--notifications",
action="store_true",
default=False,
help="Bootstrap notification database")
parser.add_argument(
"-s",
"--skipconfirm",
action="store_true",
default=False,
help="Bypass warning about overwritting data in {}".format(
settings.LEVELDB_PATH))
# Where to store stuff
parser.add_argument("--datadir",
action="store",
help="Absolute path to use for database directories")
args = parser.parse_args()
if args.mainnet and args.config:
print(
"Cannot use both --config and --mainnet parameters, please use only one."
)
exit(1)
if args.skipconfirm:
require_confirm = False
else:
require_confirm = True
# Setting the datadir must come before setting the network, else the wrong path is checked at net setup.
if args.datadir:
settings.set_data_dir(args.datadir)
# Setup depending on command line arguments. By default, the testnet settings are already loaded.
if args.config:
settings.setup(args.config)
elif args.mainnet:
settings.setup_mainnet()
if args.notifications:
BootstrapBlockchainFile(settings.notification_leveldb_path,
settings.NOTIF_BOOTSTRAP_FILE, require_confirm)
else:
BootstrapBlockchainFile(settings.chain_leveldb_path,
settings.BOOTSTRAP_FILE, require_confirm)
def main():
parser = argparse.ArgumentParser()
parser.add_argument("-m", "--mainnet", action="store_true", default=False,
help="use MainNet instead of the default TestNet")
parser.add_argument("-c", "--config", action="store", help="Use a specific config file")
parser.add_argument("-n", "--notifications", action="store_true", default=False,
help="Bootstrap notification database")
parser.add_argument("-s", "--skipconfirm", action="store_true", default=False,
help="Bypass warning about overwritting data in {}".format(settings.LEVELDB_PATH))
# Where to store stuff
parser.add_argument("--datadir", action="store",
help="Absolute path to use for database directories")
args = parser.parse_args()
if args.mainnet and args.config:
print("Cannot use both --config and --mainnet parameters, please use only one.")
exit(1)
if args.skipconfirm:
require_confirm = False
else:
require_confirm = True
# Setup depending on command line arguments. By default, the testnet settings are already loaded.
if args.config:
settings.setup(args.config)
elif args.mainnet:
settings.setup_mainnet()
if args.datadir:
settings.set_data_dir(args.datadir)
if args.notifications:
BootstrapBlockchainFile(settings.notification_leveldb_path, settings.NOTIF_BOOTSTRAP_FILE, require_confirm)
else:
BootstrapBlockchainFile(settings.chain_leveldb_path, settings.BOOTSTRAP_FILE, require_confirm)
def main():
parser = argparse.ArgumentParser()
# Network options
group_network_container = parser.add_argument_group(
title="Network options")
group_network = group_network_container.add_mutually_exclusive_group(
required=True)
group_network.add_argument("--mainnet",
action="store_true",
default=False,
help="Use MainNet")
group_network.add_argument("--testnet",
action="store_true",
default=False,
help="Use TestNet")
group_network.add_argument("--privnet",
action="store_true",
default=False,
help="Use PrivNet")
group_network.add_argument("--coznet",
action="store_true",
default=False,
help="Use CozNet")
group_network.add_argument("--config",
action="store",
help="Use a specific config file")
# Ports for RPC and REST api
group_modes = parser.add_argument_group(title="Mode(s)")
group_modes.add_argument(
"--port-rpc",
type=int,
help="port to use for the json-rpc api (eg. 10332)")
group_modes.add_argument("--port-rest",
type=int,
help="port to use for the rest api (eg. 80)")
# Advanced logging setup
group_logging = parser.add_argument_group(title="Logging options")
group_logging.add_argument("--logfile",
action="store",
type=str,
help="Logfile")
group_logging.add_argument(
"--syslog",
action="store_true",
help=
"Log to syslog instead of to log file ('user' is the default facility)"
)
group_logging.add_argument(
"--syslog-local",
action="store",
type=int,
choices=range(0, 7),
metavar="[0-7]",
help=
"Log to a local syslog facility instead of 'user'. Value must be between 0 and 7 (e.g. 0 for 'local0')."
)
group_logging.add_argument("--disable-stderr",
action="store_true",
help="Disable stderr logger")
# Where to store stuff
parser.add_argument("--datadir",
action="store",
help="Absolute path to use for database directories")
# peers
parser.add_argument("--maxpeers",
action="store",
default=5,
help="Max peers to use for P2P Joining")
# host
parser.add_argument("--host",
action="store",
type=str,
help="Hostname ( for example 127.0.0.1)",
default="0.0.0.0")
# Now parse
args = parser.parse_args()
# print(args)
if not args.port_rpc and not args.port_rest:
print("Error: specify at least one of --port-rpc / --port-rest")
parser.print_help()
return
if args.port_rpc == args.port_rest:
print("Error: --port-rpc and --port-rest cannot be the same")
parser.print_help()
return
if args.logfile and (args.syslog or args.syslog_local):
print("Error: Cannot only use logfile or syslog at once")
parser.print_help()
return
# Setting the datadir must come before setting the network, else the wrong path is checked at net setup.
if args.datadir:
settings.set_data_dir(args.datadir)
# Network configuration depending on command line arguments. By default, the testnet settings are already loaded.
if args.config:
settings.setup(args.config)
elif args.mainnet:
settings.setup_mainnet()
elif args.testnet:
settings.setup_testnet()
elif args.privnet:
settings.setup_privnet()
elif args.coznet:
settings.setup_coznet()
if args.maxpeers:
settings.set_max_peers(args.maxpeers)
if args.syslog or args.syslog_local is not None:
# Setup the syslog facility
if args.syslog_local is not None:
print("Logging to syslog local%s facility" % args.syslog_local)
syslog_facility = SysLogHandler.LOG_LOCAL0 + args.syslog_local
else:
print("Logging to syslog user facility")
syslog_facility = SysLogHandler.LOG_USER
# Setup logzero to only use the syslog handler
logzero.syslog(facility=syslog_facility)
else:
# Setup file logging
if args.logfile:
logfile = os.path.abspath(args.logfile)
if args.disable_stderr:
print("Logging to logfile: %s" % logfile)
else:
print("Logging to stderr and logfile: %s" % logfile)
logzero.logfile(logfile,
maxBytes=LOGFILE_MAX_BYTES,
backupCount=LOGFILE_BACKUP_COUNT,
disableStderrLogger=args.disable_stderr)
else:
print("Logging to stdout and stderr")
# Disable logging smart contract events
settings.set_log_smart_contract_events(False)
# Write a PID file to easily quit the service
write_pid_file()
# Setup Twisted and Klein logging to use the logzero setup
observer = STDLibLogObserver(name=logzero.LOGZERO_DEFAULT_LOGGER)
globalLogPublisher.addObserver(observer)
# Instantiate the blockchain and subscribe to notifications
blockchain = LevelDBBlockchain(settings.chain_leveldb_path)
Blockchain.RegisterBlockchain(blockchain)
dbloop = task.LoopingCall(Blockchain.Default().PersistBlocks)
dbloop.start(.1)
# Setup twisted reactor, NodeLeader and start the NotificationDB
reactor.suggestThreadPoolSize(15)
NodeLeader.Instance().Start()
NotificationDB.instance().start()
# Start a thread with custom code
d = threading.Thread(target=custom_background_code)
d.setDaemon(
True
) # daemonizing the thread will kill it when the main thread is quit
d.start()
if args.port_rpc:
logger.info("Starting json-rpc api server on http://%s:%s" %
(args.host, args.port_rpc))
api_server_rpc = JsonRpcApi(args.port_rpc)
endpoint_rpc = "tcp:port={0}:interface={1}".format(
args.port_rpc, args.host)
endpoints.serverFromString(reactor, endpoint_rpc).listen(
Site(api_server_rpc.app.resource()))
# reactor.listenTCP(int(args.port_rpc), server.Site(api_server_rpc))
# api_server_rpc.app.run(args.host, args.port_rpc)
if args.port_rest:
logger.info("Starting REST api server on http://%s:%s" %
(args.host, args.port_rest))
api_server_rest = RestApi()
endpoint_rest = "tcp:port={0}:interface={1}".format(
args.port_rest, args.host)
endpoints.serverFromString(reactor, endpoint_rest).listen(
Site(api_server_rest.app.resource()))
# api_server_rest.app.run(args.host, args.port_rest)
reactor.run()
# After the reactor is stopped, gracefully shutdown the database.
logger.info("Closing databases...")
NotificationDB.close()
Blockchain.Default().Dispose()
NodeLeader.Instance().Shutdown()
def main():
parser = argparse.ArgumentParser()
parser.add_argument("-m",
"--mainnet",
action="store_true",
default=False,
help="use MainNet instead of the default TestNet")
parser.add_argument("-c",
"--config",
action="store",
help="Use a specific config file")
# Where to store stuff
parser.add_argument("--datadir",
action="store",
help="Absolute path to use for database directories")
parser.add_argument("-o", "--output", help="Where to save output file")
parser.add_argument("-t",
"--totalblocks",
help="Total blocks to export",
type=int)
args = parser.parse_args()
if args.mainnet and args.config:
print(
"Cannot use both --config and --mainnet parameters, please use only one."
)
exit(1)
# Setting the datadir must come before setting the network, else the wrong path is checked at net setup.
if args.datadir:
settings.set_data_dir(args.datadir)
# Setup depending on command line arguments. By default, the testnet settings are already loaded.
if args.config:
settings.setup(args.config)
elif args.mainnet:
settings.setup_mainnet()
if not args.output:
raise Exception("Please specify an output path")
file_path = args.output
# Instantiate the blockchain and subscribe to notifications
blockchain = LevelDBBlockchain(settings.chain_leveldb_path)
Blockchain.RegisterBlockchain(blockchain)
chain = Blockchain.Default()
with open(file_path, 'wb') as file_out:
total = Blockchain.Default().Height - 1
if args.totalblocks:
total = args.totalblocks
total_block_output = total.to_bytes(4, 'little')
print("Using network %s " % settings.net_name)
print("Will export %s blocks to %s " % (total, file_path))
file_out.write(total_block_output)
for index in trange(total, desc='Exporting blocks:', unit=' Block'):
block = chain.GetBlockByHeight(index)
block.LoadTransactions()
output = binascii.unhexlify(block.ToArray())
output_length = len(output).to_bytes(4, 'little')
file_out.write(output_length)
file_out.write(output)
print("Exported %s blocks to %s " % (total, file_path))
def main():
parser = argparse.ArgumentParser()
# Network group
group = parser.add_mutually_exclusive_group()
group.add_argument("-m", "--mainnet", action="store_true", default=False,
help="Use MainNet instead of the default TestNet")
group.add_argument("-p", "--privnet", nargs="?", metavar="host", const=True, default=False,
help="Use a private net instead of the default TestNet, optionally using a custom host (default: 127.0.0.1)")
group.add_argument("--coznet", action="store_true", default=False,
help="Use the CoZ network instead of the default TestNet")
group.add_argument("-c", "--config", action="store", help="Use a specific config file")
# Theme
parser.add_argument("-t", "--set-default-theme", dest="theme",
choices=["dark", "light"],
help="Set the default theme to be loaded from the config file. Default: 'dark'")
# Verbose
parser.add_argument("-v", "--verbose", action="store_true", default=False,
help="Show smart-contract events by default")
# Where to store stuff
parser.add_argument("--datadir", action="store",
help="Absolute path to use for database directories")
# peers
parser.add_argument("--maxpeers", action="store", default=5,
help="Max peers to use for P2P Joining")
# Show the neo-python version
parser.add_argument("--version", action="version",
version="neo-python v{version}".format(version=__version__))
args = parser.parse_args()
# Setup depending on command line arguments. By default, the testnet settings are already loaded.
if args.config:
settings.setup(args.config)
elif args.mainnet:
settings.setup_mainnet()
elif args.privnet:
try:
settings.setup_privnet(args.privnet)
except PrivnetConnectionError as e:
logger.error(str(e))
return
elif args.coznet:
settings.setup_coznet()
if args.theme:
preferences.set_theme(args.theme)
if args.verbose:
settings.set_log_smart_contract_events(True)
if args.datadir:
settings.set_data_dir(args.datadir)
if args.maxpeers:
settings.set_max_peers(args.maxpeers)
# Instantiate the blockchain and subscribe to notifications
blockchain = LevelDBBlockchain(settings.chain_leveldb_path)
Blockchain.RegisterBlockchain(blockchain)
# Try to set up a notification db
if NotificationDB.instance():
NotificationDB.instance().start()
# Start the prompt interface
cli = PromptInterface()
# Run things
# reactor.suggestThreadPoolSize(15)
reactor.callInThread(cli.run)
NodeLeader.Instance().Start()
# reactor.run() is blocking, until `quit()` is called which stops the reactor.
reactor.run()
# After the reactor is stopped, gracefully shutdown the database.
NotificationDB.close()
Blockchain.Default().Dispose()
NodeLeader.Instance().Shutdown()
def main():
parser = argparse.ArgumentParser()
# Network group
group = parser.add_mutually_exclusive_group()
group.add_argument("-m",
"--mainnet",
action="store_true",
default=False,
help="Use MainNet instead of the default TestNet")
group.add_argument(
"-p",
"--privnet",
nargs="?",
metavar="host",
const=True,
default=False,
help=
"Use a private net instead of the default TestNet, optionally using a custom host (default: 127.0.0.1)"
)
group.add_argument(
"--coznet",
action="store_true",
default=False,
help="Use the CoZ network instead of the default TestNet")
group.add_argument("-c",
"--config",
action="store",
help="Use a specific config file")
# Theme
parser.add_argument(
"-t",
"--set-default-theme",
dest="theme",
choices=["dark", "light"],
help=
"Set the default theme to be loaded from the config file. Default: 'dark'"
)
# Verbose
parser.add_argument("-v",
"--verbose",
action="store_true",
default=False,
help="Show smart-contract events by default")
# Where to store stuff
parser.add_argument("--datadir",
action="store",
help="Absolute path to use for database directories")
# Show the neo-python version
parser.add_argument(
"--version",
action="version",
version="neo-python v{version}".format(version=__version__))
args = parser.parse_args()
# Setup depending on command line arguments. By default, the testnet settings are already loaded.
if args.config:
settings.setup(args.config)
elif args.mainnet:
settings.setup_mainnet()
elif args.privnet:
try:
settings.setup_privnet(args.privnet)
except PrivnetConnectionError as e:
logger.error(str(e))
return
elif args.coznet:
settings.setup_coznet()
if args.theme:
preferences.set_theme(args.theme)
if args.verbose:
settings.set_log_smart_contract_events(True)
if args.datadir:
settings.set_data_dir(args.datadir)
# Instantiate the blockchain and subscribe to notifications
blockchain = LevelDBBlockchain(settings.chain_leveldb_path)
Blockchain.RegisterBlockchain(blockchain)
# Try to set up a notification db
if NotificationDB.instance():
NotificationDB.instance().start()
# Start the prompt interface
cli = PromptInterface()
# Run things
reactor.suggestThreadPoolSize(15)
reactor.callInThread(cli.run)
NodeLeader.Instance().Start()
# reactor.run() is blocking, until `quit()` is called which stops the reactor.
reactor.run()
# After the reactor is stopped, gracefully shutdown the database.
NotificationDB.close()
Blockchain.Default().Dispose()
NodeLeader.Instance().Shutdown()
def main():
parser = argparse.ArgumentParser()
# Network options
group_network_container = parser.add_argument_group(title="Network options")
group_network = group_network_container.add_mutually_exclusive_group(required=True)
group_network.add_argument("--mainnet", action="store_true", default=False, help="Use MainNet")
group_network.add_argument("--testnet", action="store_true", default=False, help="Use TestNet")
group_network.add_argument("--privnet", action="store_true", default=False, help="Use PrivNet")
group_network.add_argument("--coznet", action="store_true", default=False, help="Use CozNet")
group_network.add_argument("--config", action="store", help="Use a specific config file")
# Ports for RPC and REST api
group_modes = parser.add_argument_group(title="Mode(s)")
group_modes.add_argument("--port-rpc", type=int, help="port to use for the json-rpc api (eg. 10332)")
group_modes.add_argument("--port-rest", type=int, help="port to use for the rest api (eg. 80)")
# Advanced logging setup
group_logging = parser.add_argument_group(title="Logging options")
group_logging.add_argument("--logfile", action="store", type=str, help="Logfile")
group_logging.add_argument("--syslog", action="store_true", help="Log to syslog instead of to log file ('user' is the default facility)")
group_logging.add_argument("--syslog-local", action="store", type=int, choices=range(0, 7), metavar="[0-7]", help="Log to a local syslog facility instead of 'user'. Value must be between 0 and 7 (e.g. 0 for 'local0').")
group_logging.add_argument("--disable-stderr", action="store_true", help="Disable stderr logger")
# Where to store stuff
parser.add_argument("--datadir", action="store",
help="Absolute path to use for database directories")
# peers
parser.add_argument("--maxpeers", action="store", default=5,
help="Max peers to use for P2P Joining")
# host
parser.add_argument("--host", action="store", type=str, help="Hostname ( for example 127.0.0.1)", default="0.0.0.0")
# Now parse
args = parser.parse_args()
# print(args)
if not args.port_rpc and not args.port_rest:
print("Error: specify at least one of --port-rpc / --port-rest")
parser.print_help()
return
if args.port_rpc == args.port_rest:
print("Error: --port-rpc and --port-rest cannot be the same")
parser.print_help()
return
if args.logfile and (args.syslog or args.syslog_local):
print("Error: Cannot only use logfile or syslog at once")
parser.print_help()
return
# Setup depending on command line arguments. By default, the testnet settings are already loaded.
if args.config:
settings.setup(args.config)
elif args.mainnet:
settings.setup_mainnet()
elif args.testnet:
settings.setup_testnet()
elif args.privnet:
settings.setup_privnet()
elif args.coznet:
settings.setup_coznet()
if args.datadir:
settings.set_data_dir(args.datadir)
if args.maxpeers:
settings.set_max_peers(args.maxpeers)
if args.syslog or args.syslog_local is not None:
# Setup the syslog facility
if args.syslog_local is not None:
print("Logging to syslog local%s facility" % args.syslog_local)
syslog_facility = SysLogHandler.LOG_LOCAL0 + args.syslog_local
else:
print("Logging to syslog user facility")
syslog_facility = SysLogHandler.LOG_USER
# Setup logzero to only use the syslog handler
logzero.syslog(facility=syslog_facility)
else:
# Setup file logging
if args.logfile:
logfile = os.path.abspath(args.logfile)
if args.disable_stderr:
print("Logging to logfile: %s" % logfile)
else:
print("Logging to stderr and logfile: %s" % logfile)
logzero.logfile(logfile, maxBytes=LOGFILE_MAX_BYTES, backupCount=LOGFILE_BACKUP_COUNT, disableStderrLogger=args.disable_stderr)
else:
print("Logging to stdout and stderr")
# Disable logging smart contract events
settings.set_log_smart_contract_events(False)
# Write a PID file to easily quit the service
write_pid_file()
# Setup Twisted and Klein logging to use the logzero setup
observer = STDLibLogObserver(name=logzero.LOGZERO_DEFAULT_LOGGER)
globalLogPublisher.addObserver(observer)
# Instantiate the blockchain and subscribe to notifications
blockchain = LevelDBBlockchain(settings.chain_leveldb_path)
Blockchain.RegisterBlockchain(blockchain)
dbloop = task.LoopingCall(Blockchain.Default().PersistBlocks)
dbloop.start(.1)
# Setup twisted reactor, NodeLeader and start the NotificationDB
reactor.suggestThreadPoolSize(15)
NodeLeader.Instance().Start()
NotificationDB.instance().start()
# Start a thread with custom code
d = threading.Thread(target=custom_background_code)
d.setDaemon(True) # daemonizing the thread will kill it when the main thread is quit
d.start()
if args.port_rpc:
logger.info("Starting json-rpc api server on http://%s:%s" % (args.host, args.port_rpc))
api_server_rpc = JsonRpcApi(args.port_rpc)
# endpoint_rpc = "tcp:port={0}:interface={1}".format(args.port_rpc, args.host)
# endpoints.serverFromString(reactor, endpoint_rpc).listen(Site(api_server_rpc.app.resource()))
# reactor.listenTCP(int(args.port_rpc), server.Site(api_server_rpc))
api_server_rpc.app.run(args.host, args.port_rpc)
if args.port_rest:
logger.info("Starting REST api server on http://%s:%s" % (args.host, args.port_rest))
api_server_rest = RestApi()
# endpoint_rest = "tcp:port={0}:interface={1}".format(args.port_rest, args.host)
# endpoints.serverFromString(reactor, endpoint_rest).listen(Site(api_server_rest.app.resource()))
api_server_rest.app.run(args.host, args.port_rest)
reactor.run()
# After the reactor is stopped, gracefully shutdown the database.
logger.info("Closing databases...")
NotificationDB.close()
Blockchain.Default().Dispose()
NodeLeader.Instance().Shutdown()
def main():
parser = argparse.ArgumentParser()
parser.add_argument("-m",
"--mainnet",
action="store_true",
default=False,
help="use MainNet instead of the default TestNet")
parser.add_argument("-c",
"--config",
action="store",
help="Use a specific config file")
# Where to store stuff
parser.add_argument("--datadir",
action="store",
help="Absolute path to use for database directories")
parser.add_argument("-i", "--input", help="Where the input file lives")
parser.add_argument("-t",
"--totalblocks",
help="Total blocks to import",
type=int)
parser.add_argument("-l",
"--logevents",
help="Log Smart Contract Events",
default=False,
action="store_true")
args = parser.parse_args()
if args.mainnet and args.config:
print(
"Cannot use both --config and --mainnet parameters, please use only one."
)
exit(1)
# Setting the datadir must come before setting the network, else the wrong path is checked at net setup.
if args.datadir:
settings.set_data_dir(args.datadir)
# Setup depending on command line arguments. By default, the testnet settings are already loaded.
if args.config:
settings.setup(args.config)
elif args.mainnet:
settings.setup_mainnet()
if args.logevents:
settings.log_smart_contract_events = True
if not args.input:
raise Exception("Please specify an input path")
file_path = args.input
with open(file_path, 'rb') as file:
total_blocks = int.from_bytes(file.read(4), 'little')
target_dir = os.path.join(settings.DATA_DIR_PATH,
settings.LEVELDB_PATH)
notif_target_dir = os.path.join(settings.DATA_DIR_PATH,
settings.NOTIFICATION_DB_PATH)
print("Will import %s blocks to %s" % (total_blocks, target_dir))
print(
"This will overwrite any data currently in %s and %s.\nType 'confirm' to continue"
% (target_dir, notif_target_dir))
confirm = prompt("[confirm]> ", is_password=False)
if not confirm == 'confirm':
print("Cancelled operation")
return False
try:
if os.path.exists(target_dir):
shutil.rmtree(target_dir)
if os.path.exists(notif_target_dir):
shutil.rmtree(notif_target_dir)
except Exception as e:
print("Could not remove existing data %s " % e)
return False
# Instantiate the blockchain and subscribe to notifications
blockchain = LevelDBBlockchain(settings.chain_leveldb_path)
Blockchain.RegisterBlockchain(blockchain)
chain = Blockchain.Default()
for index in trange(total_blocks,
desc='Importing Blocks',
unit=' Block'):
block_len = int.from_bytes(file.read(4), 'little')
stream = StreamManager.GetStream(file.read(block_len))
reader = BinaryReader(stream)
block = Block()
block.Deserialize(reader)
StreamManager.ReleaseStream(stream)
if block.Index > 0:
chain.AddBlockDirectly(block)
file.close()
print("Imported %s blocks to %s " % (total_blocks, target_dir))
async def setup_and_start(loop):
parser = argparse.ArgumentParser()
# Network options
group_network_container = parser.add_argument_group(
title="Network options")
group_network = group_network_container.add_mutually_exclusive_group(
required=True)
group_network.add_argument("--mainnet",
action="store_true",
default=False,
help="Use MainNet")
group_network.add_argument("--testnet",
action="store_true",
default=False,
help="Use TestNet")
group_network.add_argument("--privnet",
action="store_true",
default=False,
help="Use PrivNet")
group_network.add_argument("--coznet",
action="store_true",
default=False,
help="Use CozNet")
group_network.add_argument("--config",
action="store",
help="Use a specific config file")
# Ports for RPC and REST api
group_modes = parser.add_argument_group(title="Mode(s)")
group_modes.add_argument(
"--port-rpc",
type=int,
help="port to use for the json-rpc api (eg. 10332)")
group_modes.add_argument("--port-rest",
type=int,
help="port to use for the rest api (eg. 80)")
# Advanced logging setup
group_logging = parser.add_argument_group(title="Logging options")
group_logging.add_argument("--logfile",
action="store",
type=str,
help="Logfile")
group_logging.add_argument(
"--syslog",
action="store_true",
help=
"Log to syslog instead of to log file ('user' is the default facility)"
)
group_logging.add_argument(
"--syslog-local",
action="store",
type=int,
choices=range(0, 7 + 1),
metavar="[0-7]",
help=
"Log to a local syslog facility instead of 'user'. Value must be between 0 and 7 (e.g. 0 for 'local0')."
)
group_logging.add_argument("--disable-stderr",
action="store_true",
help="Disable stderr logger")
# Where to store stuff
parser.add_argument("--datadir",
action="store",
help="Absolute path to use for database directories")
# peers
parser.add_argument("--minpeers",
action="store",
type=int,
choices=range(1, 10 + 1),
metavar="[1-10]",
help="Min peers to use for P2P Joining")
parser.add_argument("--maxpeers",
action="store",
type=int,
choices=range(1, 10 + 1),
metavar="[1-10]",
help="Max peers to use for P2P Joining")
# If a wallet should be opened
parser.add_argument(
"--wallet",
action="store",
help=
"Open wallet. Will allow you to use methods that require an open wallet"
)
# host
parser.add_argument("--host",
action="store",
type=str,
help="Hostname ( for example 127.0.0.1)",
default="0.0.0.0")
# Now parse
args = parser.parse_args()
# print(args)
if not args.port_rpc and not args.port_rest:
print("Error: specify at least one of --port-rpc / --port-rest")
parser.print_help()
raise SystemExit
if args.port_rpc == args.port_rest:
print("Error: --port-rpc and --port-rest cannot be the same")
parser.print_help()
raise SystemExit
if args.logfile and (args.syslog or args.syslog_local):
print("Error: Cannot only use logfile or syslog at once")
parser.print_help()
raise SystemExit
# Setting the datadir must come before setting the network, else the wrong path is checked at net setup.
if args.datadir:
settings.set_data_dir(args.datadir)
# Network configuration depending on command line arguments. By default, the testnet settings are already loaded.
if args.config:
settings.setup(args.config)
elif args.mainnet:
settings.setup_mainnet()
elif args.testnet:
settings.setup_testnet()
elif args.privnet:
settings.setup_privnet()
elif args.coznet:
settings.setup_coznet()
def set_min_peers(num_peers) -> bool:
try:
settings.set_min_peers(num_peers)
print("Minpeers set to ", num_peers)
return True
except ValueError:
print("Please supply a positive integer for minpeers")
return False
def set_max_peers(num_peers) -> bool:
try:
settings.set_max_peers(num_peers)
print("Maxpeers set to ", num_peers)
return True
except ValueError:
print("Please supply a positive integer for maxpeers")
return False
minpeers = args.minpeers
maxpeers = args.maxpeers
if minpeers and maxpeers:
if minpeers > maxpeers:
print("minpeers setting cannot be bigger than maxpeers setting")
return
if not set_min_peers(minpeers) or not set_max_peers(maxpeers):
return
elif minpeers:
if not set_min_peers(minpeers):
return
if minpeers > settings.CONNECTED_PEER_MAX:
if not set_max_peers(minpeers):
return
elif maxpeers:
if not set_max_peers(maxpeers):
return
if maxpeers < settings.CONNECTED_PEER_MIN:
if not set_min_peers(maxpeers):
return
if args.syslog or args.syslog_local is not None:
# Setup the syslog facility
if args.syslog_local is not None:
print("Logging to syslog local%s facility" % args.syslog_local)
syslog_facility = SysLogHandler.LOG_LOCAL0 + args.syslog_local
else:
print("Logging to syslog user facility")
syslog_facility = SysLogHandler.LOG_USER
# Setup logzero to only use the syslog handler
logzero.syslog(facility=syslog_facility)
else:
# Setup file logging
if args.logfile:
logfile = os.path.abspath(args.logfile)
if args.disable_stderr:
print("Logging to logfile: %s" % logfile)
else:
print("Logging to stderr and logfile: %s" % logfile)
logzero.logfile(logfile,
maxBytes=LOGFILE_MAX_BYTES,
backupCount=LOGFILE_BACKUP_COUNT,
disableStderrLogger=args.disable_stderr)
else:
print("Logging to stdout and stderr")
if args.wallet:
if not os.path.exists(args.wallet):
print("Wallet file not found")
return
passwd = os.environ.get('NEO_PYTHON_JSONRPC_WALLET_PASSWORD', None)
if not passwd:
try:
passwd = prompt("[password]> ", is_password=True)
except KeyboardInterrupt:
print("Wallet opening cancelled")
return
password_key = to_aes_key(passwd)
try:
wallet = UserWallet.Open(args.wallet, password_key)
asyncio.create_task(
wallet.sync_wallet(start_block=wallet._current_height))
except Exception as e:
print(f"Could not open wallet {e}")
return
else:
wallet = None
# Disable logging smart contract events
settings.set_log_smart_contract_events(False)
# Write a PID file to easily quit the service
write_pid_file()
# Instantiate the blockchain and subscribe to notifications
blockchain = Blockchain(getBlockchainDB())
Blockchain.RegisterBlockchain(blockchain)
p2p = NetworkService()
p2p_task = loop.create_task(p2p.start())
loop.create_task(custom_background_code())
NotificationDB.instance().start()
if args.port_rpc:
logger.info("Starting json-rpc api server on http://%s:%s" %
(args.host, args.port_rpc))
try:
rpc_class = load_class_from_path(settings.RPC_SERVER)
except ValueError as err:
logger.error(err)
sys.exit()
api_server_rpc = rpc_class(wallet=wallet)
runner = web.AppRunner(api_server_rpc.app)
await runner.setup()
site = web.TCPSite(runner, args.host, args.port_rpc)
await site.start()
if args.port_rest:
logger.info("Starting REST api server on http://%s:%s" %
(args.host, args.port_rest))
try:
rest_api = load_class_from_path(settings.REST_SERVER)
except ValueError as err:
logger.error(err)
sys.exit()
api_server_rest = rest_api()
runner = web.AppRunner(api_server_rest.app)
await runner.setup()
site = web.TCPSite(runner, args.host, args.port_rpc)
await site.start()
return wallet
def main():
parser = argparse.ArgumentParser()
# Network options
group_network_container = parser.add_argument_group(title="Network options")
group_network = group_network_container.add_mutually_exclusive_group(required=True)
group_network.add_argument("--mainnet", action="store_true", default=False, help="Use MainNet")
group_network.add_argument("--testnet", action="store_true", default=False, help="Use TestNet")
group_network.add_argument("--privnet", action="store_true", default=False, help="Use PrivNet")
group_network.add_argument("--coznet", action="store_true", default=False, help="Use CozNet")
group_network.add_argument("--config", action="store", help="Use a specific config file")
# Ports for RPC and REST api
group_modes = parser.add_argument_group(title="Mode(s)")
group_modes.add_argument("--port-rpc", type=int, help="port to use for the json-rpc api (eg. 10332)")
group_modes.add_argument("--port-rest", type=int, help="port to use for the rest api (eg. 80)")
# Advanced logging setup
group_logging = parser.add_argument_group(title="Logging options")
group_logging.add_argument("--logfile", action="store", type=str, help="Logfile")
group_logging.add_argument("--syslog", action="store_true", help="Log to syslog instead of to log file ('user' is the default facility)")
group_logging.add_argument("--syslog-local", action="store", type=int, choices=range(0, 7), metavar="[0-7]",
help="Log to a local syslog facility instead of 'user'. Value must be between 0 and 7 (e.g. 0 for 'local0').")
group_logging.add_argument("--disable-stderr", action="store_true", help="Disable stderr logger")
# Where to store stuff
parser.add_argument("--datadir", action="store",
help="Absolute path to use for database directories")
# peers
parser.add_argument("--maxpeers", action="store", default=5,
help="Max peers to use for P2P Joining")
# If a wallet should be opened
parser.add_argument("--wallet",
action="store",
help="Open wallet. Will allow you to use methods that require an open wallet")
# host
parser.add_argument("--host", action="store", type=str, help="Hostname ( for example 127.0.0.1)", default="0.0.0.0")
# Now parse
args = parser.parse_args()
# print(args)
if not args.port_rpc and not args.port_rest:
print("Error: specify at least one of --port-rpc / --port-rest")
parser.print_help()
return
if args.port_rpc == args.port_rest:
print("Error: --port-rpc and --port-rest cannot be the same")
parser.print_help()
return
if args.logfile and (args.syslog or args.syslog_local):
print("Error: Cannot only use logfile or syslog at once")
parser.print_help()
return
# Setting the datadir must come before setting the network, else the wrong path is checked at net setup.
if args.datadir:
settings.set_data_dir(args.datadir)
# Network configuration depending on command line arguments. By default, the testnet settings are already loaded.
if args.config:
settings.setup(args.config)
elif args.mainnet:
settings.setup_mainnet()
elif args.testnet:
settings.setup_testnet()
elif args.privnet:
settings.setup_privnet()
elif args.coznet:
settings.setup_coznet()
if args.maxpeers:
try:
settings.set_max_peers(args.maxpeers)
print("Maxpeers set to ", args.maxpeers)
except ValueError:
print("Please supply a positive integer for maxpeers")
return
if args.syslog or args.syslog_local is not None:
# Setup the syslog facility
if args.syslog_local is not None:
print("Logging to syslog local%s facility" % args.syslog_local)
syslog_facility = SysLogHandler.LOG_LOCAL0 + args.syslog_local
else:
print("Logging to syslog user facility")
syslog_facility = SysLogHandler.LOG_USER
# Setup logzero to only use the syslog handler
logzero.syslog(facility=syslog_facility)
else:
# Setup file logging
if args.logfile:
logfile = os.path.abspath(args.logfile)
if args.disable_stderr:
print("Logging to logfile: %s" % logfile)
else:
print("Logging to stderr and logfile: %s" % logfile)
logzero.logfile(logfile, maxBytes=LOGFILE_MAX_BYTES, backupCount=LOGFILE_BACKUP_COUNT, disableStderrLogger=args.disable_stderr)
else:
print("Logging to stdout and stderr")
if args.wallet:
if not os.path.exists(args.wallet):
print("Wallet file not found")
return
passwd = os.environ.get('NEO_PYTHON_JSONRPC_WALLET_PASSWORD', None)
if not passwd:
passwd = prompt("[password]> ", is_password=True)
password_key = to_aes_key(passwd)
try:
wallet = UserWallet.Open(args.wallet, password_key)
except Exception as e:
print(f"Could not open wallet {e}")
return
else:
wallet = None
# Disable logging smart contract events
settings.set_log_smart_contract_events(False)
# Write a PID file to easily quit the service
write_pid_file()
# Setup Twisted and Klein logging to use the logzero setup
observer = STDLibLogObserver(name=logzero.LOGZERO_DEFAULT_LOGGER)
globalLogPublisher.addObserver(observer)
def loopingCallErrorHandler(error):
logger.info("Error in loop: %s " % error)
# Instantiate the blockchain and subscribe to notifications
blockchain = LevelDBBlockchain(settings.chain_leveldb_path)
Blockchain.RegisterBlockchain(blockchain)
start_block_persisting()
# If a wallet is open, make sure it processes blocks
if wallet:
walletdb_loop = task.LoopingCall(wallet.ProcessBlocks)
wallet_loop_deferred = walletdb_loop.start(1)
wallet_loop_deferred.addErrback(loopingCallErrorHandler)
# Setup twisted reactor, NodeLeader and start the NotificationDB
reactor.suggestThreadPoolSize(15)
NodeLeader.Instance().Start()
NotificationDB.instance().start()
# Start a thread with custom code
d = threading.Thread(target=custom_background_code)
d.setDaemon(True) # daemonizing the thread will kill it when the main thread is quit
d.start()
if args.port_rpc:
logger.info("Starting json-rpc api server on http://%s:%s" % (args.host, args.port_rpc))
try:
rpc_class = load_class_from_path(settings.RPC_SERVER)
except ValueError as err:
logger.error(err)
sys.exit()
api_server_rpc = rpc_class(args.port_rpc, wallet=wallet)
endpoint_rpc = "tcp:port={0}:interface={1}".format(args.port_rpc, args.host)
endpoints.serverFromString(reactor, endpoint_rpc).listen(Site(api_server_rpc.app.resource()))
if args.port_rest:
logger.info("Starting REST api server on http://%s:%s" % (args.host, args.port_rest))
try:
rest_api = load_class_from_path(settings.REST_SERVER)
except ValueError as err:
logger.error(err)
sys.exit()
api_server_rest = rest_api()
endpoint_rest = "tcp:port={0}:interface={1}".format(args.port_rest, args.host)
endpoints.serverFromString(reactor, endpoint_rest).listen(Site(api_server_rest.app.resource()))
reactor.addSystemEventTrigger('before', 'shutdown', stop_block_persisting)
reactor.run()
# After the reactor is stopped, gracefully shutdown the database.
logger.info("Closing databases...")
NotificationDB.close()
Blockchain.Default().Dispose()
NodeLeader.Instance().Shutdown()
if wallet:
wallet.Close()
default=MINUTES_TO_WAIT_UNTIL_GAS_CLAIM)
# Where to store stuff
parser.add_argument("--datadir",
action="store",
help="Absolute path to use for database directories")
args = parser.parse_args()
try:
settings.setup_privnet(args.privnet)
except PrivnetConnectionError as e:
logger.error(str(e))
if args.datadir:
settings.set_data_dir(args.datadir)
print("Blockchain DB path:", settings.chain_leveldb_path)
if os.path.exists(settings.chain_leveldb_path):
print(
"Warning: Chain database already exists. If this is from a previous private network, you need to delete %s"
% settings.chain_leveldb_path)
blockchain = LevelDBBlockchain(settings.chain_leveldb_path)
Blockchain.RegisterBlockchain(blockchain)
# Try to set up a notification db
#if NotificationDB.instance():
# NotificationDB.instance().start()
reactor.suggestThreadPoolSize(15)
def main():
parser = argparse.ArgumentParser()
parser.add_argument("-m",
"--mainnet",
action="store_true",
default=False,
help="use MainNet instead of the default TestNet")
parser.add_argument("-c",
"--config",
action="store",
help="Use a specific config file")
# Where to store stuff
parser.add_argument("--datadir",
action="store",
help="Absolute path to use for database directories")
parser.add_argument("-i", "--input", help="Where the input file lives")
parser.add_argument("-t",
"--totalblocks",
help="Total blocks to import",
type=int)
parser.add_argument("-l",
"--logevents",
help="Log Smart Contract Events",
default=False,
action="store_true")
parser.add_argument("-n",
"--notifications",
help="Persist Notifications to database",
default=False,
action="store_true")
parser.add_argument("-a",
"--append",
action="store_true",
default=False,
help="Append to current Block database")
args = parser.parse_args()
if args.mainnet and args.config:
print(
"Cannot use both --config and --mainnet parameters, please use only one."
)
exit(1)
# Setting the datadir must come before setting the network, else the wrong path is checked at net setup.
if args.datadir:
settings.set_data_dir(args.datadir)
# Setup depending on command line arguments. By default, the testnet settings are already loaded.
if args.config:
settings.setup(args.config)
elif args.mainnet:
settings.setup_mainnet()
if args.logevents:
settings.log_smart_contract_events = True
if not args.input:
raise Exception("Please specify an input path")
file_path = args.input
append = False
store_notifications = False
start_block = 0
if args.append:
append = True
if args.notifications:
store_notifications = True
header_hash_list = []
with open(file_path, 'rb') as file_input:
total_blocks_available = int.from_bytes(file_input.read(4), 'little')
if total_blocks_available == 0:
total_blocks_available = int.from_bytes(file_input.read(4),
'little')
total_blocks = total_blocks_available
if args.totalblocks and args.totalblocks < total_blocks and args.totalblocks > 0:
total_blocks = args.totalblocks
target_dir = os.path.join(settings.DATA_DIR_PATH,
settings.LEVELDB_PATH)
notif_target_dir = os.path.join(settings.DATA_DIR_PATH,
settings.NOTIFICATION_DB_PATH)
if append:
blockchain = LevelDBBlockchain(settings.chain_leveldb_path,
skip_header_check=True)
Blockchain.RegisterBlockchain(blockchain)
start_block = Blockchain.Default().Height
print("Starting import at %s " % start_block)
else:
print("Will import %s of %s blocks to %s" %
(total_blocks, total_blocks_available, target_dir))
print(
"This will overwrite any data currently in %s and %s.\nType 'confirm' to continue"
% (target_dir, notif_target_dir))
try:
confirm = prompt("[confirm]> ", is_password=False)
except KeyboardInterrupt:
confirm = False
if not confirm == 'confirm':
print("Cancelled operation")
return False
try:
if os.path.exists(target_dir):
shutil.rmtree(target_dir)
if os.path.exists(notif_target_dir):
shutil.rmtree(notif_target_dir)
except Exception as e:
print("Could not remove existing data %s " % e)
return False
# Instantiate the blockchain and subscribe to notifications
blockchain = LevelDBBlockchain(settings.chain_leveldb_path)
Blockchain.RegisterBlockchain(blockchain)
chain = Blockchain.Default()
if store_notifications:
NotificationDB.instance().start()
stream = MemoryStream()
reader = BinaryReader(stream)
block = Block()
length_ba = bytearray(4)
for index in trange(total_blocks,
desc='Importing Blocks',
unit=' Block'):
# set stream data
file_input.readinto(length_ba)
block_len = int.from_bytes(length_ba, 'little')
reader.stream.write(file_input.read(block_len))
reader.stream.seek(0)
# get block
block.DeserializeForImport(reader)
header_hash_list.append(block.Hash.ToBytes())
# add
if block.Index > start_block:
chain.AddBlockDirectly(block,
do_persist_complete=store_notifications)
# reset blockheader
block._header = None
block.__hash = None
# reset stream
reader.stream.Cleanup()
print("Wrote blocks. Now writing headers")
chain = Blockchain.Default()
# reset header hash list
chain._db.delete(DBPrefix.IX_HeaderHashList)
total = len(header_hash_list)
chain._header_index = header_hash_list
print("storing header hash list...")
while total - 2000 >= chain._stored_header_count:
ms = StreamManager.GetStream()
w = BinaryWriter(ms)
headers_to_write = chain._header_index[chain._stored_header_count:chain
._stored_header_count + 2000]
w.Write2000256List(headers_to_write)
out = ms.ToArray()
StreamManager.ReleaseStream(ms)
with chain._db.write_batch() as wb:
wb.put(
DBPrefix.IX_HeaderHashList +
chain._stored_header_count.to_bytes(4, 'little'), out)
chain._stored_header_count += 2000
last_index = len(header_hash_list)
chain._db.put(DBPrefix.SYS_CurrentHeader,
header_hash_list[-1] + last_index.to_bytes(4, 'little'))
print("Imported %s blocks to %s " % (total_blocks, target_dir))
def main():
parser = argparse.ArgumentParser()
# Network group
group = parser.add_mutually_exclusive_group()
group.add_argument("-m",
"--mainnet",
action="store_true",
default=False,
help="Use MainNet instead of the default TestNet")
group.add_argument(
"-p",
"--privnet",
nargs="?",
metavar="host",
const=True,
default=False,
help=
"Use a private net instead of the default TestNet, optionally using a custom host (default: 127.0.0.1)"
)
group.add_argument(
"--coznet",
action="store_true",
default=False,
help="Use the CoZ network instead of the default TestNet")
group.add_argument(
"-u",
"--unittest",
nargs="?",
metavar="host",
const=True,
default=False,
help=
"Use a private net instead of the default TestNet, optionally using a custom host (default: 127.0.0.1)"
)
group.add_argument("-c",
"--config",
action="store",
help="Use a specific config file")
# Theme
parser.add_argument(
"-t",
"--set-default-theme",
dest="theme",
choices=["dark", "light"],
help=
"Set the default theme to be loaded from the config file. Default: 'dark'"
)
# Verbose
parser.add_argument("-v",
"--verbose",
action="store_true",
default=False,
help="Show smart-contract events by default")
# Where to store stuff
parser.add_argument("--datadir",
action="store",
help="Absolute path to use for database directories")
# peers
parser.add_argument("--minpeers",
action="store",
type=int,
choices=range(1, 10 + 1),
metavar="[1-10]",
help="Min peers to use for P2P Joining")
parser.add_argument("--maxpeers",
action="store",
type=int,
default=5,
choices=range(1, 10 + 1),
metavar="[1-10]",
help="Max peers to use for P2P Joining")
# Show the neo-python version
parser.add_argument(
"--version",
action="version",
version="neo-python v{version}".format(version=__version__))
args = parser.parse_args()
# Setting the datadir must come before setting the network, else the wrong path is checked at net setup.
if args.datadir:
settings.set_data_dir(args.datadir)
# Setup depending on command line arguments. By default, the testnet settings are already loaded.
if args.config:
settings.setup(args.config)
elif args.mainnet:
settings.setup_mainnet()
elif args.privnet:
try:
settings.setup_privnet(args.privnet)
except PrivnetConnectionError as e:
logger.error(str(e))
return
elif args.coznet:
settings.setup_coznet()
elif args.unittest:
settings.setup_unittest_net()
# Logfile settings & setup
logfile_fn = os.path.join(settings.DATA_DIR_PATH, 'prompt.log')
logfile_max_bytes = 5e7 # 50 MB
logfile_backup_count = 3 # 3 logfiles history
settings.set_logfile(logfile_fn, logfile_max_bytes, logfile_backup_count)
if args.theme:
preferences.set_theme(args.theme)
if args.verbose:
settings.set_log_smart_contract_events(True)
def set_min_peers(num_peers) -> bool:
try:
settings.set_min_peers(num_peers)
print("Minpeers set to ", num_peers)
return True
except ValueError:
print("Please supply a positive integer for minpeers")
return False
def set_max_peers(num_peers) -> bool:
try:
settings.set_max_peers(num_peers)
print("Maxpeers set to ", num_peers)
return True
except ValueError:
print("Please supply a positive integer for maxpeers")
return False
minpeers = args.minpeers
maxpeers = args.maxpeers
if minpeers and maxpeers:
if minpeers > maxpeers:
print("minpeers setting cannot be bigger than maxpeers setting")
return
if not set_min_peers(minpeers) or not set_max_peers(maxpeers):
return
elif minpeers:
if not set_min_peers(minpeers):
return
if minpeers > settings.CONNECTED_PEER_MAX:
if not set_max_peers(minpeers):
return
elif maxpeers:
if not set_max_peers(maxpeers):
return
if maxpeers < settings.CONNECTED_PEER_MIN:
if not set_min_peers(maxpeers):
return
loop = asyncio.get_event_loop()
# put prompt_toolkit on top of asyncio to avoid blocking
use_asyncio_event_loop()
# Instantiate the blockchain and subscribe to notifications
blockchain = Blockchain(
DBFactory.getBlockchainDB(settings.chain_leveldb_path))
Blockchain.RegisterBlockchain(blockchain)
# Try to set up a notification db
if NotificationDB.instance():
NotificationDB.instance().start()
# Start the prompt interface
fn_prompt_history = os.path.join(settings.DATA_DIR_PATH,
'.prompt.py.history')
cli = PromptInterface(fn_prompt_history)
cli_task = loop.create_task(cli.run())
p2p = NetworkService()
loop.create_task(p2p.start())
async def shutdown():
all_tasks = asyncio.all_tasks()
for task in all_tasks:
task.cancel()
with suppress(asyncio.CancelledError):
await task
# prompt_toolkit hack for not cleaning up see: https://github.com/prompt-toolkit/python-prompt-toolkit/issues/787
old_attrs = termios.tcgetattr(sys.stdin)
try:
loop.run_forever()
except SystemExit:
pass
finally:
with suppress(asyncio.InvalidStateError):
app = prompt_toolkit_get_app()
if app.is_running:
app.exit()
with suppress((SystemExit, Exception)):
cli_task.exception()
loop.run_until_complete(p2p.shutdown())
loop.run_until_complete(shutdown())
loop.run_until_complete(loop.shutdown_asyncgens())
loop.stop()
loop.close()
# Run things
# After the reactor is stopped, gracefully shutdown the database.
NotificationDB.close()
Blockchain.Default().Dispose()
# clean up prompt_toolkit mess, see above
termios.tcsetattr(sys.stdin, termios.TCSANOW, old_attrs)
