class Litecoin(object):
file: ConfigurationFile
hard_drives: HardDrives
process: QProcess
software: LitecoinSoftware
zmq_block_port: int
zmq_tx_port: int
def __init__(self, configuration_file_path: str):
self.hard_drives = HardDrives()
self.software = LitecoinSoftware()
self.file = ConfigurationFile(configuration_file_path)
self.running = False
self.process = None
if self.file['datadir'] is None:
self.autoconfigure_datadir()
if 'litecoin.conf' in os.listdir(self.file['datadir']):
actual_conf_file = os.path.join(self.file['datadir'], 'litecoin.conf')
log.info(
'datadir_redirect',
configuration_file_path=configuration_file_path,
actual_conf_file=actual_conf_file
)
self.file = ConfigurationFile(actual_conf_file)
if self.file['datadir'] is None:
self.autoconfigure_datadir()
if os.path.exists(os.path.join(self.file['datadir'], 'blocks')):
if self.file['prune'] is None:
self.set_prune(False)
self.wallet_paths = self.get_wallet_paths()
if self.file['server'] is None:
self.file['server'] = True
if self.file['disablewallet'] is None and not self.wallet_paths:
self.file['disablewallet'] = True
elif self.file['disablewallet'] is None and self.wallet_paths:
self.file['disablewallet'] = False
if self.file['timeout'] is None:
self.file['timeout'] = 6000
if self.file['rpcuser'] is None:
self.file['rpcuser'] = '******'
if self.file['rpcpassword'] is None:
self.file['rpcpassword'] = get_random_password()
if self.file['prune'] is None:
should_prune = self.hard_drives.should_prune(self.file['datadir'], has_litecoin=True)
self.set_prune(should_prune)
self.zmq_block_port = get_zmq_port()
self.zmq_tx_port = get_zmq_port()
self.file['zmqpubrawblock'] = f'tcp://127.0.0.1:{self.zmq_block_port}'
self.file['zmqpubrawtx'] = f'tcp://127.0.0.1:{self.zmq_tx_port}'
# noinspection PyBroadException
try:
memory = psutil.virtual_memory()
free_mb = round(memory.available / 1000000)
free_mb -= int(free_mb * .3)
self.file['dbcache'] = free_mb
except:
log.warning(
'dbcache psutil.virtual_memory',
exc_info=True
)
self.file['dbcache'] = 1000
self.config_snapshot = self.file.snapshot.copy()
self.file.file_watcher.fileChanged.connect(self.config_file_changed)
self.process = QProcess()
self.process.setProgram(self.software.litecoind)
self.process.setCurrentReadChannel(0)
self.process.setArguments(self.args)
self.process.start()
@property
def network(self):
if self.file['testnet']:
return TESTNET
return MAINNET
def get_wallet_paths(self):
exclude_files = {
'addr.dat',
'banlist.dat',
'fee_estimates.dat',
'mempool.dat',
'peers.dat'
}
candidate_paths = []
if self.file['testnet']:
datadir = os.path.join(self.file['datadir'], 'testnet4')
wallet_dir = self.file['test.walletdir']
wallets = self.file['test.wallet']
else:
datadir = self.file['datadir']
wallet_dir = self.file['main.walletdir']
wallets = self.file['main.wallet']
for file in os.listdir(datadir):
if file not in exclude_files:
path = os.path.join(datadir, file)
candidate_paths.append(path)
default_walletdir = os.path.join(datadir, 'wallets')
if os.path.exists(default_walletdir):
for file in os.listdir(default_walletdir):
if file not in exclude_files:
candidate_paths.append(
os.path.join(default_walletdir, file))
if wallet_dir is not None:
for file in os.listdir(wallet_dir):
if file not in exclude_files:
candidate_paths += os.path.join(
os.path.join(wallet_dir, file))
dat_files = [f for f in candidate_paths if f.endswith('.dat')
and not f.startswith('blk')]
dat_files = set(dat_files)
wallet_paths = set(dat_files - exclude_files)
if wallets is not None:
if isinstance(wallets, list):
for wallet in wallets:
wallet_paths.add(wallet)
else:
wallet_paths.add(wallets)
return wallet_paths
@property
def node_port(self):
if self.file['testnet']:
custom_port = self.file['test.port']
else:
custom_port = self.file['main.port']
if custom_port is not None:
return custom_port
if self.file['testnet']:
return LITECOIN_TESTNET_PEER_PORT
return LITECOIN_MAINNET_PEER_PORT
@property
def rpc_port(self):
if self.file['testnet']:
custom_port = self.file['test.rpcport']
else:
custom_port = self.file['main.rpcport']
if custom_port is not None:
return custom_port
if self.file['testnet']:
return LITECOIN_TESTNET_RPC_PORT
return LITECOIN_MAINNET_RPC_PORT
def set_prune(self, should_prune: bool = None):
if should_prune is None:
should_prune = self.hard_drives.should_prune(self.file['datadir'],
has_litecoin=True)
if should_prune:
if self.file['testnet']:
prune = TESTNET_PRUNE
else:
prune = MAINNET_PRUNE
self.file['prune'] = prune
else:
self.file['prune'] = 0
self.file['txindex'] = not should_prune
def autoconfigure_datadir(self):
default_datadir = LITECOIN_DATA_PATH[OPERATING_SYSTEM]
big_drive = self.hard_drives.get_big_drive()
default_is_big_enough = not self.hard_drives.should_prune(
input_directory=default_datadir,
has_litecoin=True
)
default_is_biggest = self.hard_drives.is_default_partition(big_drive)
log.info(
'autoconfigure_datadir',
default_is_big_enough=default_is_big_enough,
default_is_biggest=default_is_biggest
)
if default_is_big_enough or default_is_biggest:
self.file['datadir'] = default_datadir
log.info(
'autoconfigure_datadir',
datadir=default_datadir
)
return
if not self.hard_drives.should_prune(big_drive.mountpoint, False):
datadir = os.path.join(big_drive.mountpoint, 'Litecoin')
self.file['datadir'] = datadir
log.info(
'autoconfigure_datadir',
datadir=datadir
)
if not os.path.exists(self.file['datadir']):
os.mkdir(self.file['datadir'])
else:
self.file['datadir'] = default_datadir
log.info(
'autoconfigure_datadir',
datadir=default_datadir
)
@property
def args(self) -> List[str]:
return [f'-conf={self.file.path}']
@property
def litecoin_cli(self) -> str:
command = [
f'"{self.software.litecoin_cli}"',
f'-conf="{self.file.path}"',
]
return ' '.join(command)
def config_file_changed(self):
# Refresh config file
self.file.file_watcher.blockSignals(True)
self.file.populate_cache()
self.file.file_watcher.blockSignals(False)
self.zmq_block_port = int(self.file['zmqpubrawblock'].split(':')[-1])
self.zmq_tx_port = int(self.file['zmqpubrawtx'].split(':')[-1])
# Some text editors do not modify the file, they delete and replace the file
# Check if file is still in file_watcher list of files, if not add back
files_watched = self.file.file_watcher.files()
if len(files_watched) == 0:
self.file.file_watcher.addPath(self.file.path)
@property
def restart_required(self):
old_config = self.config_snapshot.copy()
new_config = self.file.snapshot
# First check that both config files are still on the same network
old_config_network = 'testnet' in old_config.keys()
new_config_network = 'testnet' in new_config.keys()
if (old_config_network == new_config_network) and self.running:
common_fields = [
'rpcuser', 'rpcpassword', 'disablewallet', 'datadir', 'disablewallet',
'zmqpubrawblock', 'zmqpubrawtx', 'prune', 'txindex', 'timeout'
]
for field in common_fields:
# First check if field is found in both configs
found_in_old_config = field in old_config.keys()
found_in_new_config = field in new_config.keys()
if found_in_old_config != found_in_new_config:
return True
# Now check that values are the same
if found_in_old_config:
if old_config[field] != new_config[field]:
return True
if self.file['testnet']:
# Only check testnet fields if currently running testnet
testnet_fields = [
'test.rpcport', 'test.port', 'test.wallet', 'test.walletdir'
]
for field in testnet_fields:
# First check if field is found in both configs
found_in_old_config = field in old_config.keys()
found_in_new_config = field in new_config.keys()
if found_in_old_config != found_in_new_config:
return True
# Now check that values are the same
if found_in_old_config:
if old_config[field] != new_config[field]:
return True
else:
# Only check mainnet fields if currently running mainnet
mainnet_fields = [
'rpcport', 'port'
]
for field in mainnet_fields:
# First check if field is found in both configs
found_in_old_config = field in old_config.keys()
found_in_new_config = field in new_config.keys()
if found_in_old_config != found_in_new_config:
return True
# Now check that values are the same
if found_in_old_config:
if old_config[field] != new_config[field]:
return True
return False
elif self.running:
# Network has changed and the node is running - Restart is required
return True
return False
class Bitcoin(object):
file: ConfigurationFile
hard_drives: HardDrives
process: Optional[psutil.Process]
software: BitcoinSoftware
zmq_block_port: int
zmq_tx_port: int
def __init__(self, network: str, configuration_file_path: str):
self.network = network
self.hard_drives = HardDrives()
self.software = BitcoinSoftware()
self.file = ConfigurationFile(configuration_file_path)
self.process = self.find_running_node()
if self.file.rpcuser is None:
self.file.rpcuser = '******'
if self.file.rpcpassword is None:
self.file.rpcpassword = get_random_password()
if self.file.datadir is None:
self.autoconfigure_datadir()
if self.file.prune is None:
should_prune = self.hard_drives.should_prune(self.file.datadir,
has_bitcoin=True)
self.set_prune(should_prune)
if not self.detect_zmq_ports():
self.zmq_block_port = get_zmq_port()
self.zmq_tx_port = get_zmq_port()
if self.file.dbcache is None:
# noinspection PyBroadException
try:
memory = psutil.virtual_memory()
free_mb = round(memory.available / 1000000)
self.file.dbcache = free_mb
except:
self.file.dbcache = 1000
def set_prune(self, should_prune: bool = None):
if should_prune is None:
should_prune = self.hard_drives.should_prune(self.file.datadir,
has_bitcoin=True)
self.file.prune = should_prune
self.file.txindex = not should_prune
def autoconfigure_datadir(self):
default_datadir = BITCOIN_DATA_PATH[OPERATING_SYSTEM]
big_drive = self.hard_drives.get_big_drive()
default_is_big_enough = not self.hard_drives.should_prune(
default_datadir, True)
default_is_biggest = self.hard_drives.is_default_partition(big_drive)
if default_is_big_enough or default_is_biggest:
self.file.datadir = default_datadir
return
if not self.hard_drives.should_prune(big_drive.mountpoint, False):
self.file.datadir = os.path.join(big_drive.mountpoint, 'Bitcoin')
if not os.path.exists(self.file.datadir):
os.mkdir(self.file.datadir)
else:
self.file.datadir = default_datadir
def find_running_node(self) -> psutil.Process:
if self.network == 'mainnet':
ports = [8333, 8332]
else:
ports = [18333, 18332]
for process in psutil.process_iter():
try:
process_name = process.name()
except ZombieProcess:
continue
if 'bitcoin' in process_name:
try:
for connection in process.connections():
if connection.laddr.port in ports:
return process
except AccessDenied:
continue
def detect_zmq_ports(self) -> bool:
if self.process is None:
return False
ports = [
c.laddr.port for c in self.process.connections()
if 18500 <= c.laddr.port <= 18600
]
ports = set(ports)
if len(ports) != 2:
raise NotImplementedError(f'''ZMQ ports are not open on
{self.network} node, please close it and launch it with the Node Launcher''')
self.zmq_block_port = min(ports)
self.zmq_tx_port = max(ports)
return True
def bitcoin_qt(self) -> List[str]:
dir_arg = f'-datadir={self.file.datadir}'
if IS_WINDOWS:
dir_arg = f'-datadir="{self.file.datadir}"'
command = [
self.software.bitcoin_qt, dir_arg, '-server=1', '-disablewallet=1',
f'-rpcuser={self.file.rpcuser}',
f'-rpcpassword={self.file.rpcpassword}',
f'-zmqpubrawblock=tcp://127.0.0.1:{self.zmq_block_port}',
f'-zmqpubrawtx=tcp://127.0.0.1:{self.zmq_tx_port}', '-timeout=5000'
]
if self.file.prune:
if self.network == 'TESTNET':
prune = TESTNET_PRUNE
else:
prune = MAINNET_PRUNE
command += [f'-prune={prune}', '-txindex=0']
else:
command += ['-prune=0', '-txindex=1']
if self.network == 'testnet':
command += [
'-testnet=1',
]
else:
command += [
'-testnet=0',
]
return command
@property
def bitcoin_cli(self) -> str:
command = [
f'"{self.software.bitcoin_cli}"',
f'-conf="{self.file.path}"',
f'-datadir="{self.file.datadir}"',
]
if self.network == 'testnet':
command += ['-testnet']
return ' '.join(command)
def launch(self):
command = self.bitcoin_qt()
if IS_WINDOWS:
from subprocess import DETACHED_PROCESS, CREATE_NEW_PROCESS_GROUP
command[0] = '"' + command[0] + '"'
cmd = ' '.join(command)
with NamedTemporaryFile(suffix='-btc.bat', delete=False) as f:
f.write(cmd.encode('utf-8'))
f.flush()
result = Popen([
'start', 'powershell', '-noexit', '-windowstyle', 'hidden',
'-Command', f.name
],
stdin=PIPE,
stdout=PIPE,
stderr=PIPE,
creationflags=DETACHED_PROCESS
| CREATE_NEW_PROCESS_GROUP,
close_fds=True,
shell=True)
else:
result = Popen(command, close_fds=True, shell=False)
return result
class Bitcoin(object):
file: ConfigurationFile
hard_drives: HardDrives
process: Optional[psutil.Process]
software: BitcoinSoftware
zmq_block_port: int
zmq_tx_port: int
def __init__(self, configuration_file_path: str):
self.hard_drives = HardDrives()
self.software = BitcoinSoftware()
self.file = ConfigurationFile(configuration_file_path)
self.running = False
self.process = None
if self.file['datadir'] is None:
self.autoconfigure_datadir()
if 'bitcoin.conf' in os.listdir(self.file['datadir']):
actual_conf_file = os.path.join(self.file['datadir'],
'bitcoin.conf')
log.info('datadir_redirect',
configuration_file_path=configuration_file_path,
actual_conf_file=actual_conf_file)
self.file = ConfigurationFile(actual_conf_file)
if self.file['datadir'] is None:
self.autoconfigure_datadir()
self.wallet_paths = self.get_wallet_paths()
if self.file['server'] is None:
self.file['server'] = True
if self.file['disablewallet'] is None and not self.wallet_paths:
self.file['disablewallet'] = True
elif self.file['disablewallet'] is None and self.wallet_paths:
self.file['disablewallet'] = False
if self.file['timeout'] is None:
self.file['timeout'] = 6000
if self.file['rpcuser'] is None:
self.file['rpcuser'] = '******'
if self.file['rpcpassword'] is None:
self.file['rpcpassword'] = get_random_password()
if self.file['prune'] is None:
should_prune = self.hard_drives.should_prune(self.file['datadir'],
has_bitcoin=True)
self.set_prune(should_prune)
if not self.detect_zmq_ports():
self.zmq_block_port = get_zmq_port()
self.zmq_tx_port = get_zmq_port()
self.file['zmqpubrawblock'] = f'tcp://127.0.0.1:{self.zmq_block_port}'
self.file['zmqpubrawtx'] = f'tcp://127.0.0.1:{self.zmq_tx_port}'
# noinspection PyBroadException
try:
memory = psutil.virtual_memory()
free_mb = round(memory.available / 1000000)
free_mb -= int(free_mb * .3)
self.file['dbcache'] = free_mb
except:
log.warning('dbcache psutil.virtual_memory', exc_info=True)
self.file['dbcache'] = 1000
self.check_process()
@property
def network(self):
if self.file['testnet']:
return TESTNET
return MAINNET
def get_wallet_paths(self):
exclude_files = {
'addr.dat', 'banlist.dat', 'fee_estimates.dat', 'mempool.dat',
'peers.dat'
}
candidate_paths = []
datadir = self.file['datadir']
for file in os.listdir(datadir):
if file not in exclude_files:
path = os.path.join(datadir, file)
candidate_paths.append(path)
default_walletdir = os.path.join(self.file['datadir'], 'wallets')
if os.path.exists(default_walletdir):
for file in os.listdir(default_walletdir):
if file not in exclude_files:
candidate_paths.append(
os.path.join(default_walletdir, file))
if self.file['walletdir'] is not None:
wallet_dir = self.file['walletdir']
for file in os.listdir(wallet_dir):
if file not in exclude_files:
candidate_paths += os.path.join(
os.path.join(wallet_dir, file))
dat_files = [
f for f in candidate_paths
if f.endswith('.dat') and not f.startswith('blk')
]
dat_files = set(dat_files)
wallet_paths = set(dat_files - exclude_files)
if self.file['wallet'] is not None:
if isinstance(self.file['wallet'], list):
for wallet in self.file['wallet']:
wallet_paths.add(wallet)
else:
wallet_paths.add(self.file['wallet'])
return wallet_paths
@property
def node_port(self):
if self.file['testnet']:
return BITCOIN_TESTNET_PEER_PORT
return BITCOIN_MAINNET_PEER_PORT
@property
def rpc_port(self):
if self.file['testnet']:
return BITCOIN_TESTNET_RPC_PORT
return BITCOIN_MAINNET_RPC_PORT
def set_prune(self, should_prune: bool = None):
if should_prune is None:
should_prune = self.hard_drives.should_prune(self.file['datadir'],
has_bitcoin=True)
if should_prune:
if self.file['testnet']:
prune = TESTNET_PRUNE
else:
prune = MAINNET_PRUNE
self.file['prune'] = prune
else:
self.file['prune'] = 0
self.file['txindex'] = not should_prune
def autoconfigure_datadir(self):
default_datadir = BITCOIN_DATA_PATH[OPERATING_SYSTEM]
big_drive = self.hard_drives.get_big_drive()
default_is_big_enough = not self.hard_drives.should_prune(
input_directory=default_datadir, has_bitcoin=True)
default_is_biggest = self.hard_drives.is_default_partition(big_drive)
log.info('autoconfigure_datadir',
default_is_big_enough=default_is_big_enough,
default_is_biggest=default_is_biggest)
if default_is_big_enough or default_is_biggest:
self.file['datadir'] = default_datadir
log.info('autoconfigure_datadir', datadir=default_datadir)
return
if not self.hard_drives.should_prune(big_drive.mountpoint, False):
datadir = os.path.join(big_drive.mountpoint, 'Bitcoin')
self.file['datadir'] = datadir
log.info('autoconfigure_datadir', datadir=datadir)
if not os.path.exists(self.file['datadir']):
os.mkdir(self.file['datadir'])
else:
self.file['datadir'] = default_datadir
log.info('autoconfigure_datadir', datadir=default_datadir)
def check_process(self):
if self.process is not None:
if (not self.process.is_running()
or self.process.status() == 'zombie'):
self.process = None
if self.process is None:
self.running = False
self.process = self.find_running_node()
self.detect_zmq_ports()
def find_running_node(self) -> Optional[psutil.Process]:
# noinspection PyBroadException
try:
processes = psutil.process_iter()
except:
log.warning('Bitcoin.find_running_node', exc_info=True)
return None
for process in processes:
try:
if not process.is_running() or process.status() == 'zombie':
continue
except:
log.warning('Bitcoin.find_running_node', exc_info=True)
continue
# noinspection PyBroadException
try:
process_name = process.name()
except:
log.warning('Bitcoin.find_running_node', exc_info=True)
continue
if 'bitcoin' in process_name:
# noinspection PyBroadException
try:
for connection in process.connections():
ports = [self.rpc_port, self.node_port]
if connection.laddr.port in ports:
self.running = True
return process
except:
log.warning('Bitcoin.find_running_node', exc_info=True)
continue
return None
def detect_zmq_ports(self) -> bool:
if self.process is None:
return False
ports = [
c.laddr.port for c in self.process.connections()
if 18500 <= c.laddr.port <= 18600
]
ports = set(ports)
if len(ports) != 2:
raise ZmqPortsNotOpenError(
'ZMQ ports are not open on your node, '
'please close Bitcoin Core and launch it with the Node Launcher'
)
self.zmq_block_port = min(ports)
self.zmq_tx_port = max(ports)
self.file['zmqpubrawblock'] = f'tcp://127.0.0.1:{self.zmq_block_port}'
self.file['zmqpubrawtx'] = f'tcp://127.0.0.1:{self.zmq_tx_port}'
return True
def bitcoin_qt(self) -> List[str]:
command = [self.software.bitcoin_qt]
args = [
f'-conf={self.file.path}',
]
if IS_WINDOWS:
args = [
f'-conf="{self.file.path}"',
]
command += args
log.info('bitcoin_qt', command=command, **self.file.cache)
return command
def bitcoin_cli_arguments(self) -> List[str]:
return [f'-conf={self.file.path}']
@property
def bitcoin_cli(self) -> str:
command = [
f'"{self.software.bitcoin_cli}"',
f'-conf="{self.file.path}"',
]
return ' '.join(command)
def launch(self):
command = self.bitcoin_qt()
if IS_WINDOWS:
from subprocess import DETACHED_PROCESS, CREATE_NEW_PROCESS_GROUP
command[0] = '"' + command[0] + '"'
cmd = ' '.join(command)
with NamedTemporaryFile(suffix='-btc.bat', delete=False) as f:
f.write(cmd.encode('utf-8'))
f.flush()
result = Popen([
'start', 'powershell', '-noexit', '-windowstyle', 'hidden',
'-Command', f.name
],
stdin=PIPE,
stdout=PIPE,
stderr=PIPE,
creationflags=DETACHED_PROCESS
| CREATE_NEW_PROCESS_GROUP,
close_fds=True,
shell=True)
else:
result = Popen(command, close_fds=True, shell=False)
return result
class Bitcoin(object):
file: ConfigurationFile
hard_drives: HardDrives
process: Optional[psutil.Process]
software: BitcoinSoftware
zmq_block_port: int
zmq_tx_port: int
def __init__(self, network: Network, configuration_file_path: str):
self.network = network
self.hard_drives = HardDrives()
self.software = BitcoinSoftware()
self.file = ConfigurationFile(configuration_file_path)
self.running = False
self.process = None
if self.file['server'] is None:
self.file['server'] = True
if self.file['disablewallet'] is None:
self.file['disablewallet'] = True
if self.file['timeout'] is None:
self.file['timeout'] = 6000
if self.file['rpcuser'] is None:
self.file['rpcuser'] = '******'
if self.file['rpcpassword'] is None:
self.file['rpcpassword'] = get_random_password()
if self.file['datadir'] is None:
self.autoconfigure_datadir()
if self.file['prune'] is None:
should_prune = self.hard_drives.should_prune(self.file['datadir'],
has_bitcoin=True)
self.set_prune(should_prune)
if not self.detect_zmq_ports():
self.zmq_block_port = get_zmq_port()
self.zmq_tx_port = get_zmq_port()
self.file['zmqpubrawblock'] = f'tcp://127.0.0.1:{self.zmq_block_port}'
self.file['zmqpubrawtx'] = f'tcp://127.0.0.1:{self.zmq_tx_port}'
# noinspection PyBroadException
try:
memory = psutil.virtual_memory()
free_mb = round(memory.available / 1000000)
free_mb -= int(free_mb * .3)
self.file['dbcache'] = free_mb
except:
self.file['dbcache'] = 1000
self.check_process()
@property
def node_port(self):
if self.network == TESTNET:
return BITCOIN_TESTNET_PEER_PORT
return BITCOIN_MAINNET_PEER_PORT
@property
def rpc_port(self):
if self.network == TESTNET:
return BITCOIN_TESTNET_RPC_PORT
return BITCOIN_MAINNET_RPC_PORT
def set_prune(self, should_prune: bool = None):
if should_prune is None:
should_prune = self.hard_drives.should_prune(self.file['datadir'],
has_bitcoin=True)
if should_prune:
if self.network == TESTNET:
prune = TESTNET_PRUNE
else:
prune = MAINNET_PRUNE
self.file['prune'] = prune
else:
self.file['prune'] = 0
self.file['txindex'] = not should_prune
def autoconfigure_datadir(self):
default_datadir = BITCOIN_DATA_PATH[OPERATING_SYSTEM]
big_drive = self.hard_drives.get_big_drive()
default_is_big_enough = not self.hard_drives.should_prune(
default_datadir, True)
default_is_biggest = self.hard_drives.is_default_partition(big_drive)
if default_is_big_enough or default_is_biggest:
self.file['datadir'] = default_datadir
return
if not self.hard_drives.should_prune(big_drive.mountpoint, False):
self.file['datadir'] = os.path.join(big_drive.mountpoint, 'Bitcoin')
if not os.path.exists(self.file['datadir']):
os.mkdir(self.file['datadir'])
else:
self.file['datadir'] = default_datadir
def check_process(self):
if self.process is not None:
if (not self.process.is_running()
or self.process.status() == 'zombie'):
self.process = None
if self.process is None:
self.running = False
self.process = self.find_running_node()
self.detect_zmq_ports()
def find_running_node(self) -> Optional[psutil.Process]:
for process in psutil.process_iter():
if not process.is_running() or process.status() == 'zombie':
continue
# noinspection PyBroadException
try:
process_name = process.name()
except:
continue
if 'bitcoin' in process_name:
# noinspection PyBroadException
try:
for connection in process.connections():
ports = [self.rpc_port, self.node_port]
if connection.laddr.port in ports:
self.running = True
return process
except:
continue
return None
def detect_zmq_ports(self) -> bool:
if self.process is None:
return False
ports = [c.laddr.port for c in self.process.connections()
if 18500 <= c.laddr.port <= 18600]
ports = set(ports)
if len(ports) != 2:
raise ZmqPortsNotOpenError(f'''ZMQ ports are not open on
{self.network} node, please close Bitcoin Core and launch it with the Node Launcher''')
self.zmq_block_port = min(ports)
self.zmq_tx_port = max(ports)
self.file['zmqpubrawblock'] = f'tcp://127.0.0.1:{self.zmq_block_port}'
self.file['zmqpubrawtx'] = f'tcp://127.0.0.1:{self.zmq_tx_port}'
return True
def bitcoin_qt(self) -> List[str]:
args = [
f'-conf={self.file.path}',
f'-datadir={self.file["datadir"]}'
]
if IS_WINDOWS:
args = [
f'-conf="{self.file.path}"',
f'-datadir="{self.file["datadir"]}"'
]
command = [
self.software.bitcoin_qt,
] + args
if self.network == TESTNET:
command += [
'-testnet'
]
return command
@property
def bitcoin_cli(self) -> str:
command = [
f'"{self.software.bitcoin_cli}"',
f'-conf="{self.file.path}"',
]
if self.network == MAINNET:
command += [
'-testnet'
]
return ' '.join(command)
def launch(self):
command = self.bitcoin_qt()
if IS_WINDOWS:
from subprocess import DETACHED_PROCESS, CREATE_NEW_PROCESS_GROUP
command[0] = '"' + command[0] + '"'
cmd = ' '.join(command)
with NamedTemporaryFile(suffix='-btc.bat', delete=False) as f:
f.write(cmd.encode('utf-8'))
f.flush()
result = Popen(
['start', 'powershell', '-noexit', '-windowstyle', 'hidden',
'-Command', f.name],
stdin=PIPE, stdout=PIPE, stderr=PIPE,
creationflags=DETACHED_PROCESS | CREATE_NEW_PROCESS_GROUP,
close_fds=True, shell=True)
else:
result = Popen(command, close_fds=True, shell=False)
return result