def run_blockmirrord():
""" run blockmirrord
"""
global blockmirrord
global bitcoind
global namecoind
global cached_namespace
signal.signal(signal.SIGINT, signal_handler)
bitcoin_opts, parser = blockdaemon.parse_bitcoind_args( return_parser=True )
namecoin_opts, parser = parse_namecoind_args( return_parser=True, parser=parser )
parser.add_argument(
"--namespace",
help="path to the cached namespace JSON file")
subparsers = parser.add_subparsers(
dest='action', help='the action to be taken')
parser_server = subparsers.add_parser(
'start',
help='start the blockmirrord server')
parser_server.add_argument(
'--foreground', action='store_true',
help='start the blockmirrord server in foreground')
parser_server = subparsers.add_parser(
'stop',
help='stop the blockmirrord server')
args, _ = parser.parse_known_args()
# did we get a namespace JSON file?
if hasattr( args, "namespace" ) and getattr( args, "namespace" ) is not None:
namespace_path = args.namespace
namespace_json = None
log.info("Loading JSON from '%s'" % namespace_path)
with open(namespace_path, "r") as namespace_fd:
namespace_json = namespace_fd.read()
log.info("Parsing JSON")
try:
cached_namespace = json.loads( namespace_json )
except Exception, e:
log.exception(e)
exit(1)
def run_blockmirrord():
""" run blockmirrord
"""
global blockmirrord
global bitcoind
global namecoind
global cached_namespace
signal.signal(signal.SIGINT, signal_handler)
bitcoin_opts, parser = blockdaemon.parse_bitcoind_args( return_parser=True )
namecoin_opts, parser = parse_namecoind_args( return_parser=True, parser=parser )
parser.add_argument(
"--namespace",
help="path to the cached namespace JSON file")
subparsers = parser.add_subparsers(
dest='action', help='the action to be taken')
parser_server = subparsers.add_parser(
'start',
help='start the blockmirrord server')
parser_server.add_argument(
'--foreground', action='store_true',
help='start the blockmirrord server in foreground')
parser_server = subparsers.add_parser(
'stop',
help='stop the blockmirrord server')
args, _ = parser.parse_known_args()
# did we get a namespace JSON file?
if hasattr( args, "namespace" ) and getattr( args, "namespace" ) is not None:
namespace_path = args.namespace
namespace_json = None
log.info("Loading JSON from '%s'" % namespace_path)
with open(namespace_path, "r") as namespace_fd:
namespace_json = namespace_fd.read()
log.info("Parsing JSON")
try:
cached_namespace = json.loads( namespace_json )
except Exception, e:
log.exception(e)
exit(1)
def do_upgrade(inplace, incode):
global engine, upgrade_enabled, upgrade_functions
if StrictVersion(inplace['db_version']) > StrictVersion(
incode['db_version']):
raise Exception("DB downgrade not supported")
if inplace['db_version'] != incode['db_version']:
print("upgrading DB: from=" + str(inplace['db_version']) + " to=" +
str(incode['db_version']))
if upgrade_enabled:
db_current = inplace['db_version']
db_target = incode['db_version']
for version_tuple, functions_to_run in upgrade_functions:
db_from = version_tuple[0]
db_to = version_tuple[1]
# finish if we've reached the target version
if StrictVersion(db_current) >= StrictVersion(db_target):
# done
break
elif StrictVersion(db_to) <= StrictVersion(db_current):
# Upgrade code is for older version, skip it.
continue
else:
print("Executing upgrade functions for version {} to {}".
format(db_from, db_to))
for fn in functions_to_run:
try:
print("Executing upgrade function: {}".format(
fn.__name__))
fn()
except Exception as e:
log.exception(
'Upgrade function {} raised an error. Failing upgrade.'
.format(fn.__name__))
raise e
db_current = db_to
if inplace['service_version'] != incode['service_version']:
print("upgrading service: from=" + str(inplace['service_version']) +
" to=" + str(incode['service_version']))
ret = True
return (ret)
def get_index_range(start_block=0):
"""
"""
from lib.config import FIRST_BLOCK_MAINNET
if start_block == 0:
start_block = FIRST_BLOCK_MAINNET
try:
current_block = int(bitcoind.getblockcount())
except Exception, e:
log.exception(e)
log.info("ERROR: Cannot connect to bitcoind")
user_input = raw_input("Do you want to re-enter bitcoind server configs? (yes/no): ")
if user_input.lower() == "yes" or user_input.lower() == "y":
prompt_user_for_bitcoind_details()
log.info("Exiting. Restart blockstored to try the new configs.")
exit(1)
else:
exit(1)
def get_index_range(start_block=0):
"""
"""
from lib.config import FIRST_BLOCK_MAINNET
if start_block == 0:
start_block = FIRST_BLOCK_MAINNET
try:
current_block = int(bitcoind.getblockcount())
except Exception, e:
log.exception(e)
log.info("ERROR: Cannot connect to bitcoind")
user_input = raw_input(
"Do you want to re-enter bitcoind server configs? (yes/no): ")
if user_input.lower() == "yes" or user_input.lower() == "y":
prompt_user_for_bitcoind_details()
log.info("Exiting. Restart blockstored to try the new configs.")
exit(1)
else:
exit(1)
log.info('Blockstored successfully started')
except IndexError, ie:
# indicates that we don't have the latest block
log.error("\n\nFailed to find the first blockstore record (got block %s).\n" % current_block + \
"Please verify that your bitcoin provider has " + \
"processed up to block %s.\n" % (START_BLOCK) + \
" Example: bitcoin-cli getblockcount" )
try:
os.killpg(blockstored.pid, signal.SIGTERM)
except:
pass
exit(1)
except Exception as e:
log.exception(e)
log.info('Exiting blockstored server')
try:
os.killpg(blockstored.pid, signal.SIGTERM)
except:
pass
exit(1)
def run_blockstored():
""" run blockstored
"""
global bitcoin_opts
parser = argparse.ArgumentParser(
description='Blockstore Core Daemon version {}'.format(config.VERSION))
# begin serving
blockmirrord = subprocess.Popen( command, shell=True, preexec_fn=os.setsid)
log.info('Blockmirrord successfully started')
except IndexError, ie:
traceback.print_exc()
try:
os.killpg(blockmirrord.pid, signal.SIGTERM)
except:
pass
exit(1)
except Exception, e:
log.exception(e)
log.info('Exiting blockmirrord server')
try:
os.killpg(blockmirrord.pid, signal.SIGTERM)
except:
pass
exit(1)
def parse_namecoind_args( return_parser=False, parser=None ):
"""
Get namecoind command-line arguments.
Optionally return the parser as well.
"""