def start_bitcoin_qt():
'''
Start bitcoin-qt.
>>> init_database()
>>> start_bitcoin_qt()
>>> stop_bitcoin_qt()
'''
bin_dir, data_dir = preferences.get_bitcoin_dirs()
command_args = []
cmd = os.path.join(bin_dir, bitcoin_utils.bitcoin_qt())
command_args.append(cmd)
data_dir = bitcoin_utils.strip_testnet_from_data_dir(data_dir=data_dir)
command_args.append(f'-datadir={data_dir}')
extra_args = preferences.get_extra_args()
if len(extra_args) > 0:
for extra_arg in extra_args:
command_args.append(extra_arg)
command_args.append('-daemon')
command.background(*command_args)
log(f'running : {command_args}')
# give bitcoind time to start
secs = 0
while (not bitcoin_utils.is_bitcoin_qt_running() and secs < 5):
sleep(1)
secs += 1
def send_bitcoin_cli_cmd(arg):
'''
Send a command via bitcoin-cli.
>>> init_database()
>>> start_bitcoind()
>>> block_count = send_bitcoin_cli_cmd('getblockcount')
>>> stop_bitcoind()
'''
bin_dir, data_dir = preferences.get_bitcoin_dirs()
command_args = []
command_args.append(os.path.join(bin_dir, bitcoin_utils.bitcoin_cli()))
use_test_net = '-testnet' in preferences.get_extra_args()
if use_test_net:
command_args.append('-testnet')
if data_dir is not None:
data_dir = bitcoin_utils.strip_testnet_from_data_dir(data_dir=data_dir)
command_args.append(f'-datadir={data_dir}')
command_args.append(arg)
log(f'running: {command_args}')
try:
result = command.run(*command_args).stdout
log(f'result: {result}')
except CalledProcessError as cpe:
result = None
return result
def get_bitcoin_cli_cmd(self, arg):
'''
Get a command for bitcoin-cli.
>>> from blockchain_backup.bitcoin.tests import utils as test_utils
>>> test_utils.init_database()
>>> manager = BitcoinManager('blockchain_backup.bitcoin.manager.log')
>>> manager.get_bitcoin_cli_cmd('getblockchaininfo')
['/tmp/bitcoin/bin/bitcoin-cli', '-testnet', '-datadir=/tmp/bitcoin/data', 'getblockchaininfo']
'''
command_args = []
if self.bin_dir is None:
command_args.append(utils.bitcoin_cli())
else:
command_args.append(os.path.join(self.bin_dir,
utils.bitcoin_cli()))
use_test_net = '-testnet' in get_extra_args()
if use_test_net:
command_args.append('-testnet')
if self.data_dir is not None:
data_dir = utils.strip_testnet_from_data_dir(
data_dir=self.data_dir)
command_args.append(f'-datadir={data_dir}')
command_args.append(arg)
return command_args
def get_launch_args(self):
'''
Get all the args to start bitcon-qt as a server.
'''
ok = False
command_args = []
if self.manager.bin_dir is None:
command_args.append(bitcoin_utils.bitcoin_qt())
ok = True
else:
cmd = os.path.join(self.manager.bin_dir, bitcoin_utils.bitcoin_qt())
command_args.append(cmd)
ok = os.path.exists(cmd)
if not ok:
self.log(f'{bitcoin_utils.bitcoin_qt()} does not exist in {self.manager.bin_dir}')
if ok:
command_args.append('-server')
if self.manager.data_dir is not None:
data_dir = bitcoin_utils.strip_testnet_from_data_dir(data_dir=self.manager.data_dir)
command_args.append(f'-datadir={data_dir}')
extra_args = preferences.get_extra_args()
if extra_args:
for extra_arg in extra_args:
command_args.append(extra_arg)
else:
command_args = None
self.log(f'{bitcoin_utils.bitcion_qt()} does not exist in {self.manager.bin_dir}')
return command_args
def strip_testnet_from_data_dir(data_dir=None):
'''
Get the data dirname without
the "testnet3" subdir, if appropriate.
>>> from blockchain_backup.bitcoin.tests import utils as test_utils
>>> test_utils.init_database()
>>> strip_testnet_from_data_dir()
'/tmp/bitcoin/data'
'''
from blockchain_backup.bitcoin.preferences import get_data_dir, get_extra_args
if data_dir is None:
data_dir = get_data_dir()
use_test_net = constants.TESTNET_FLAG in get_extra_args()
if use_test_net and data_dir.endswith(constants.TEST_NET_SUBDIR):
new_data_dir = data_dir[:data_dir.rfind(constants.TEST_NET_SUBDIR)]
else:
new_data_dir = data_dir
return new_data_dir
def get_excluded_files():
'''
Get the files to exclude from backups and restores.
>>> from blockchain_backup.bitcoin.tests import utils as test_utils
>>> test_utils.init_database()
>>> get_excluded_files()
'wallets,wallet.dat,.walletlock,backups,blockchain_backup_database'
'''
from blockchain_backup.bitcoin.preferences import get_extra_args
excluded_files = 'wallets,wallet.dat,.walletlock,backups,{}'.format(
constants.BLOCKCHAIN_BACKUP_DB_DIR)
use_test_net = constants.TESTNET_FLAG in get_extra_args()
if not use_test_net:
excluded_files += f',{constants.TEST_NET_DIR}'
# add the subdirectory of the backup if its in the data directory
backup_subdir = get_backup_subdir()
if backup_subdir is not None and backup_subdir not in excluded_files:
excluded_files += f',{backup_subdir}'
return excluded_files
def start_bitcoind(self):
'''
Start bitcoind as a daemon.
>>> from blockchain_backup.bitcoin.tests import utils as test_utils
>>> need_backup = False
>>> test_utils.init_database()
>>> update_task = UpdateTask()
>>> update_task.manager = BitcoinManager(update_task.log_name)
>>> bitcoind_process, bitcoind_pid = update_task.start_bitcoind()
>>> update_task.stop_bitcoind(bitcoind_process, bitcoind_pid, need_backup)
(False, ' Error opening block database.\\n')
'''
if is_bitcoind_running():
bitcoind_process = None
bitcoind_pid = get_pid(bitcoind())
if bitcoind_pid is None:
sleep(5)
bitcoind_pid = get_pid(bitcoind())
self.log(f'bitcoind is already running using pid: {bitcoind_pid}')
else:
bitcoind_pid = None
command_args = []
if self.manager.bin_dir is None:
command_args.append(bitcoind())
ok = True
else:
cmd = os.path.join(self.manager.bin_dir, bitcoind())
command_args.append(cmd)
ok = os.path.exists(cmd)
if ok:
extra_args = preferences.get_extra_args()
use_test_net = '-testnet' in extra_args
if self.manager.data_dir is not None:
data_dir = self.manager.data_dir
if use_test_net and data_dir.endswith(
constants.TEST_NET_SUBDIR):
data_dir = data_dir[:data_dir.rfind(constants.
TEST_NET_SUBDIR)]
command_args.append(f'-datadir={data_dir}')
# don't allow any interaction with the user's wallet
command_args.append('-disablewallet')
if extra_args:
for extra_arg in extra_args:
command_args.append(extra_arg)
command_args.append('-daemon')
try:
bitcoind_process = Popen(command_args)
self.log(
f'bitcoind started: {bitcoind_process is not None}')
except FileNotFoundError as fnfe:
raise BitcoinException(str(fnfe))
else:
bitcoind_process = None
self.log(
f'{bitcoind()} does not exist in {self.manager.bin_dir}')
state.set_start_access_time(now())
return bitcoind_process, bitcoind_pid
