def test_check_database_version():
server.initialise(
database_file=tempfile.gettempdir() + "/fixtures.unittest.db", testnet=True, **util_test.COUNTERPARTYD_OPTIONS
)
util_test.restore_database(config.DATABASE, CURR_DIR + "/fixtures/scenarios/unittest_fixture.sql")
db = database.get_connection(read_only=False)
database.update_version(db)
version_major, version_minor = database.version(db)
assert config.VERSION_MAJOR == version_major
assert config.VERSION_MINOR == version_minor
check.database_version(db)
config.VERSION_MINOR += 1
with pytest.raises(check.DatabaseVersionError) as exception:
check.database_version(db)
assert exception.value.reparse_block_index == None
config.VERSION_MINOR -= 1
config.VERSION_MAJOR += 1
with pytest.raises(check.DatabaseVersionError) as exception:
check.database_version(db)
assert exception.value.reparse_block_index == config.BLOCK_FIRST
config.VERSION_MAJOR -= 1
def test_check_database_version():
server.initialise(database_file=tempfile.gettempdir() +
'/fixtures.unittest.db',
testnet=True,
**util_test.COUNTERPARTYD_OPTIONS)
util_test.restore_database(
config.DATABASE, CURR_DIR + '/fixtures/scenarios/unittest_fixture.sql')
db = database.get_connection(read_only=False)
database.update_version(db)
version_major, version_minor = database.version(db)
assert config.VERSION_MAJOR == version_major
assert config.VERSION_MINOR == version_minor
check.database_version(db)
config.VERSION_MINOR += 1
with pytest.raises(check.DatabaseVersionError) as exception:
check.database_version(db)
assert exception.value.reparse_block_index == None
config.VERSION_MINOR -= 1
config.VERSION_MAJOR += 1
with pytest.raises(check.DatabaseVersionError) as exception:
check.database_version(db)
assert exception.value.reparse_block_index == config.BLOCK_FIRST
config.VERSION_MAJOR -= 1
def initialise_rawtransactions_db(db):
"""Drop old raw transaction table, create new one and populate it from unspent_outputs.json."""
if pytest.config.option.savescenarios:
server.initialise(database_file=':memory:', testnet=True, **COUNTERPARTYD_OPTIONS)
cursor = db.cursor()
cursor.execute('DROP TABLE IF EXISTS raw_transactions')
cursor.execute('CREATE TABLE IF NOT EXISTS raw_transactions(tx_hash TEXT UNIQUE, tx_hex TEXT)')
with open(CURR_DIR + '/fixtures/unspent_outputs.json', 'r') as listunspent_test_file:
wallet_unspent = json.load(listunspent_test_file)
for output in wallet_unspent:
txid = binascii.hexlify(bitcoinlib.core.lx(output['txid'])).decode()
tx = backend.deserialize(output['txhex'])
cursor.execute('INSERT INTO raw_transactions VALUES (?, ?)', (txid, output['txhex']))
cursor.close()
def initialise_rawtransactions_db(db):
"""Drop old raw transaction table, create new one and populate it from unspent_outputs.json."""
if pytest.config.option.savescenarios:
server.initialise(database_file=':memory:', testnet=True, **COUNTERPARTYD_OPTIONS)
cursor = db.cursor()
cursor.execute('DROP TABLE IF EXISTS raw_transactions')
cursor.execute('CREATE TABLE IF NOT EXISTS raw_transactions(tx_hash TEXT UNIQUE, tx_hex TEXT)')
with open(CURR_DIR + '/fixtures/unspent_outputs.json', 'r') as listunspent_test_file:
wallet_unspent = json.load(listunspent_test_file)
for output in wallet_unspent:
txid = binascii.hexlify(bitcoinlib.core.lx(output['txid'])).decode()
tx = backend.deserialize(output['txhex'])
cursor.execute('INSERT INTO raw_transactions VALUES (?, ?)', (txid, output['txhex']))
cursor.close()
def run_scenario(scenario, rawtransactions_db):
"""Execute a scenario for integration test, returns a dump of the db, a json with raw transactions and the full log."""
server.initialise(database_file=':memory:',
testnet=True,
**COUNTERPARTYD_OPTIONS)
config.PREFIX = b'TESTXXXX'
util.FIRST_MULTISIG_BLOCK_TESTNET = 1
checkpoints = dict(check.CHECKPOINTS_TESTNET)
check.CHECKPOINTS_TESTNET = {}
logger = logging.getLogger()
logger.setLevel(logging.DEBUG)
logger_buff = io.StringIO()
handler = logging.StreamHandler(logger_buff)
handler.setLevel(logging.DEBUG)
formatter = logging.Formatter('%(message)s')
handler.setFormatter(formatter)
logger.addHandler(handler)
requests_log = logging.getLogger("requests")
requests_log.setLevel(logging.WARNING)
asyncio_log = logging.getLogger('asyncio')
asyncio_log.setLevel(logging.ERROR)
db = database.get_connection(read_only=False)
initialise_db(db)
raw_transactions = []
for tx in scenario:
if tx[0] != 'create_next_block':
mock_protocol_changes = tx[3] if len(tx) == 4 else {}
with MockProtocolChangesContext(**(mock_protocol_changes or {})):
module = sys.modules['counterpartylib.lib.messages.{}'.format(
tx[0])]
compose = getattr(module, 'compose')
unsigned_tx_hex = transaction.construct(
db, compose(db, *tx[1]), **tx[2])
raw_transactions.append({tx[0]: unsigned_tx_hex})
insert_raw_transaction(unsigned_tx_hex, db, rawtransactions_db)
else:
create_next_block(db,
block_index=config.BURN_START + tx[1],
parse_block=tx[2] if len(tx) == 3 else True)
dump = dump_database(db)
log = logger_buff.getvalue()
db.close()
check.CHECKPOINTS_TESTNET = checkpoints
return dump, log, json.dumps(raw_transactions, indent=4)
def setup_function(function):
server.initialise(database_file=tempfile.gettempdir()+'/counterparty.unittest.db',
rpc_port=9999, rpc_password='******',
backend_password='******',
testnet=True, testcoin=False)
try:
os.remove(config.DATABASE)
except:
pass
# Connect to database.
global db
db = database.get_connection(read_only=False, foreign_keys=False)
from counterpartylib.lib import blocks
blocks.initialise(db)
def init_database(sqlfile, dbfile, options=None):
kwargs = COUNTERPARTYD_OPTIONS.copy()
kwargs.update(options or {})
server.initialise(
database_file=dbfile,
testnet=True,
verbose=True,
console_logfilter=os.environ.get('COUNTERPARTY_LOGGING', None),
**kwargs)
restore_database(config.DATABASE, sqlfile)
db = database.get_connection(read_only=False) # reinit the DB to deal with the restoring
database.update_version(db)
util.FIRST_MULTISIG_BLOCK_TESTNET = 1
return db
def init_database(sqlfile, dbfile, options=None):
kwargs = COUNTERPARTYD_OPTIONS.copy()
kwargs.update(options or {})
server.initialise(
database_file=dbfile,
testnet=True,
verbose=True,
console_logfilter=os.environ.get('COUNTERPARTY_LOGGING', None),
**kwargs)
restore_database(config.DATABASE, sqlfile)
db = database.get_connection(read_only=False) # reinit the DB to deal with the restoring
database.update_version(db)
util.FIRST_MULTISIG_BLOCK_TESTNET = 1
return db
def setup_function(function):
server.initialise(database_file=tempfile.gettempdir() +
'/counterparty.unittest.db',
rpc_port=9999,
rpc_password='******',
backend_password='******',
testnet=True,
testcoin=False)
try:
os.remove(config.DATABASE)
except:
pass
# Connect to database.
global db
db = database.get_connection(read_only=False, foreign_keys=False)
from counterpartylib.lib import blocks
blocks.initialise(db)
def run_scenario(scenario):
"""Execute a scenario for integration test, returns a dump of the db, a json with raw transactions and the full log."""
server.initialise(database_file=':memory:', testnet=True, **COUNTERPARTYD_OPTIONS)
config.PREFIX = b'TESTXXXX'
util.FIRST_MULTISIG_BLOCK_TESTNET = 1
checkpoints = dict(check.CHECKPOINTS_TESTNET)
check.CHECKPOINTS_TESTNET = {}
logger = logging.getLogger()
logger.setLevel(logging.DEBUG)
logger_buff = io.StringIO()
handler = logging.StreamHandler(logger_buff)
handler.setLevel(logging.DEBUG)
formatter = logging.Formatter('%(message)s')
handler.setFormatter(formatter)
logger.addHandler(handler)
requests_log = logging.getLogger("requests")
requests_log.setLevel(logging.WARNING)
asyncio_log = logging.getLogger('asyncio')
asyncio_log.setLevel(logging.ERROR)
db = database.get_connection(read_only=False)
initialise_db(db)
raw_transactions = []
for tx in scenario:
if tx[0] != 'create_next_block':
mock_protocol_changes = tx[3] if len(tx) == 4 else {}
with MockProtocolChangesContext(**(mock_protocol_changes or {})):
module = sys.modules['counterpartylib.lib.messages.{}'.format(tx[0])]
compose = getattr(module, 'compose')
unsigned_tx_hex = transaction.construct(db, compose(db, *tx[1]), **tx[2])
raw_transactions.append({tx[0]: unsigned_tx_hex})
insert_raw_transaction(unsigned_tx_hex, db)
else:
create_next_block(db, block_index=config.BURN_START + tx[1], parse_block=tx[2] if len(tx) == 3 else True)
dump = dump_database(db)
log = logger_buff.getvalue()
db.close()
check.CHECKPOINTS_TESTNET = checkpoints
return dump, log, json.dumps(raw_transactions, indent=4)
def reparse(testnet=True):
"""
Reparse all transaction from the database.
- Create a new in-memory DB, copy the DB that is on-disk
- Reparse DB, automatically compares consensus hashes to the original ones from the on-disk DB
"""
options = dict(COUNTERPARTYD_OPTIONS)
server.initialise(database_file=':memory:', testnet=testnet, **options)
logger = logging.getLogger()
if testnet:
config.PREFIX = b'TESTXXXX'
memory_db = database.get_connection(read_only=False)
data_dir = appdirs.user_data_dir(appauthor=config.XCP_NAME, appname=config.APP_NAME, roaming=True)
prod_db_path = os.path.join(data_dir, '{}{}.db'.format(config.APP_NAME, '.testnet' if testnet else ''))
assert os.path.exists(prod_db_path), "database path {} does not exist".format(prod_db_path)
prod_db = apsw.Connection(prod_db_path)
prod_db.setrowtrace(database.rowtracer)
# Copy DB from file on disk (should be a DB file with at least all the checkpoints)
# in-memory DB shouldn't have been written to yet up until this point
with memory_db.backup("main", prod_db, "main") as backup:
while not backup.done:
backup.step(100)
# Drop most tables (except blocks, transactions, undolog)
memory_cursor = memory_db.cursor()
for table in blocks.TABLES + ['balances']:
memory_cursor.execute('''DROP TABLE IF EXISTS {}'''.format(table))
# Check that all checkpoint blocks are in the database to be tested.
if testnet:
CHECKPOINTS = check.CHECKPOINTS_TESTNET
else:
CHECKPOINTS = check.CHECKPOINTS_MAINNET
for block_index in CHECKPOINTS.keys():
block_exists = bool(list(memory_cursor.execute('''SELECT * FROM blocks WHERE block_index = ?''', (block_index,))))
assert block_exists, "block #%d does not exist" % block_index
# Clean consensus hashes if first block hash don’t match with checkpoint.
checkpoints = check.CHECKPOINTS_TESTNET if config.TESTNET else check.CHECKPOINTS_MAINNET
columns = [column['name'] for column in memory_cursor.execute('''PRAGMA table_info(blocks)''')]
for field in ['ledger_hash', 'txlist_hash']:
if field in columns:
sql = '''SELECT {} FROM blocks WHERE block_index = ?'''.format(field)
first_hash = list(memory_cursor.execute(sql, (config.BLOCK_FIRST,)))[0][field]
if first_hash != checkpoints[config.BLOCK_FIRST][field]:
logger.info('First hash changed. Cleaning {}.'.format(field))
memory_cursor.execute('''UPDATE blocks SET {} = NULL'''.format(field))
# Initialise missing tables
blocks.initialise(memory_db)
previous_ledger_hash = None
previous_txlist_hash = None
previous_messages_hash = None
# Reparse each block, if ConsensusError is thrown then the difference
memory_cursor.execute('''SELECT * FROM blocks ORDER BY block_index''')
for block in memory_cursor.fetchall():
try:
util.CURRENT_BLOCK_INDEX = block['block_index']
previous_ledger_hash, previous_txlist_hash, previous_messages_hash, previous_found_messages_hash = blocks.parse_block(
memory_db, block['block_index'], block['block_time'],
previous_ledger_hash=previous_ledger_hash, ledger_hash=block['ledger_hash'],
previous_txlist_hash=previous_txlist_hash, txlist_hash=block['txlist_hash'],
previous_messages_hash=previous_messages_hash)
logger.info('Block (re-parse): %s (hashes: L:%s / TX:%s / M:%s%s)' % (
block['block_index'], previous_ledger_hash[-5:], previous_txlist_hash[-5:], previous_messages_hash[-5:],
(' [overwrote %s]' % previous_found_messages_hash) if previous_found_messages_hash and previous_found_messages_hash != previous_messages_hash else ''))
except check.ConsensusError as e:
message = str(e)
if message.find('ledger_hash') != -1:
new_ledger = get_block_ledger(memory_db, block['block_index'])
old_ledger = get_block_ledger(prod_db, block['block_index'])
compare_strings(old_ledger, new_ledger)
elif message.find('txlist_hash') != -1:
new_txlist = get_block_txlist(memory_db, block['block_index'])
old_txlist = get_block_txlist(prod_db, block['block_index'])
compare_strings(old_txlist, new_txlist)
raise e
def main():
if os.name == 'nt':
from counterpartylib.lib import util_windows
#patch up cmd.exe's "challenged" (i.e. broken/non-existent) UTF-8 logging
util_windows.fix_win32_unicode()
# Post installation tasks
generate_config_files()
# Parse command-line arguments.
parser = argparse.ArgumentParser(prog=APP_NAME, description='Server for the {} protocol'.format(config.XCP_NAME), add_help=False)
parser.add_argument('-h', '--help', dest='help', action='store_true', help='show this help message and exit')
parser.add_argument('-V', '--version', action='version', version="{} v{}; {} v{}".format(APP_NAME, APP_VERSION, 'counterparty-lib', config.VERSION_STRING))
parser.add_argument('--config-file', help='the path to the configuration file')
parser = add_config_arguments(parser, CONFIG_ARGS, 'server.conf')
subparsers = parser.add_subparsers(dest='action', help='the action to be taken')
parser_server = subparsers.add_parser('start', help='run the server')
parser_reparse = subparsers.add_parser('reparse', help='reparse all transactions in the database')
parser_rollback = subparsers.add_parser('rollback', help='rollback database')
parser_rollback.add_argument('block_index', type=int, help='the index of the last known good block')
parser_kickstart = subparsers.add_parser('kickstart', help='rapidly build database by reading from Bitcoin Core blockchain')
parser_kickstart.add_argument('--bitcoind-dir', help='Bitcoin Core data directory')
parser_bootstrap = subparsers.add_parser('bootstrap', help='bootstrap database with hosted snapshot')
args = parser.parse_args()
log.set_up(logger, verbose=args.verbose)
logger.info('Running v{} of {}.'.format(APP_VERSION, APP_NAME))
# Help message
if args.help:
parser.print_help()
sys.exit()
# Bootstrapping
if args.action == 'bootstrap':
bootstrap(testnet=args.testnet)
sys.exit()
# Configuration
if args.action in ['reparse', 'rollback', 'kickstart', 'start']:
try:
db = server.initialise(database_file=args.database_file,
log_file=args.log_file, api_log_file=args.api_log_file,
testnet=args.testnet, testcoin=args.testcoin,
backend_name=args.backend_name,
backend_connect=args.backend_connect,
backend_port=args.backend_port,
backend_user=args.backend_user,
backend_password=args.backend_password,
backend_ssl=args.backend_ssl,
backend_ssl_no_verify=args.backend_ssl_no_verify,
backend_poll_interval=args.backend_poll_interval,
rpc_host=args.rpc_host, rpc_port=args.rpc_port, rpc_user=args.rpc_user,
rpc_password=args.rpc_password, rpc_no_allow_cors=args.rpc_no_allow_cors,
requests_timeout=args.requests_timeout,
rpc_batch_size=args.rpc_batch_size,
check_asset_conservation=not args.no_check_asset_conservation,
force=args.force, verbose=args.verbose)
#,broadcast_tx_mainnet=args.broadcast_tx_mainnet)
except TypeError as e:
if 'unexpected keyword argument' in str(e):
raise VersionError('Unsupported Server Parameter. CLI/Library Version Incompatibility.')
else:
raise e
# PARSING
if args.action == 'reparse':
server.reparse(db)
elif args.action == 'rollback':
server.reparse(db, block_index=args.block_index)
elif args.action == 'kickstart':
server.kickstart(db, bitcoind_dir=args.bitcoind_dir)
elif args.action == 'start':
server.start_all(db)
else:
parser.print_help()
def reparse(testnet=True):
"""Reparse all transaction from the database, create a new blockchain and compare it to the old one."""
options = dict(COUNTERPARTYD_OPTIONS)
server.initialise(database_file=':memory:', testnet=testnet, **options)
logger = logging.getLogger()
if testnet:
config.PREFIX = b'TESTXXXX'
memory_db = database.get_connection(read_only=False)
initialise_db(memory_db)
data_dir = appdirs.user_data_dir(appauthor=config.XCP_NAME,
appname=config.APP_NAME,
roaming=True)
prod_db_path = os.path.join(
data_dir, '{}{}.db'.format(config.APP_NAME,
'.testnet' if testnet else ''))
assert os.path.exists(
prod_db_path), "database path {} does not exist".format(prod_db_path)
prod_db = apsw.Connection(prod_db_path)
prod_db.setrowtrace(database.rowtracer)
with memory_db.backup("main", prod_db, "main") as backup:
backup.step()
# Here we don’t use block.reparse() because it reparse db in transaction (`with db`).
memory_cursor = memory_db.cursor()
for table in blocks.TABLES + ['balances']:
memory_cursor.execute('''DROP TABLE IF EXISTS {}'''.format(table))
# Check that all checkpoint blocks are in the database to be tested.
if testnet:
CHECKPOINTS = check.CHECKPOINTS_TESTNET
else:
CHECKPOINTS = check.CHECKPOINTS_MAINNET
for block_index in CHECKPOINTS.keys():
block_exists = bool(
list(
memory_cursor.execute(
'''SELECT * FROM blocks WHERE block_index = ?''',
(block_index, ))))
assert block_exists, "block #%d does not exist" % block_index
# Clean consensus hashes if first block hash don’t match with checkpoint.
checkpoints = check.CHECKPOINTS_TESTNET if config.TESTNET else check.CHECKPOINTS_MAINNET
columns = [
column['name']
for column in memory_cursor.execute('''PRAGMA table_info(blocks)''')
]
for field in ['ledger_hash', 'txlist_hash']:
if field in columns:
sql = '''SELECT {} FROM blocks WHERE block_index = ?'''.format(
field)
first_hash = list(
memory_cursor.execute(sql, (config.BLOCK_FIRST, )))[0][field]
if first_hash != checkpoints[config.BLOCK_FIRST][field]:
logger.info('First hash changed. Cleaning {}.'.format(field))
memory_cursor.execute(
'''UPDATE blocks SET {} = NULL'''.format(field))
blocks.initialise(memory_db)
previous_ledger_hash = None
previous_txlist_hash = None
previous_messages_hash = None
memory_cursor.execute('''SELECT * FROM blocks ORDER BY block_index''')
for block in memory_cursor.fetchall():
try:
util.CURRENT_BLOCK_INDEX = block['block_index']
previous_ledger_hash, previous_txlist_hash, previous_messages_hash, previous_found_messages_hash = blocks.parse_block(
memory_db,
block['block_index'],
block['block_time'],
previous_ledger_hash=previous_ledger_hash,
ledger_hash=block['ledger_hash'],
previous_txlist_hash=previous_txlist_hash,
txlist_hash=block['txlist_hash'],
previous_messages_hash=previous_messages_hash)
logger.info(
'Block (re-parse): %s (hashes: L:%s / TX:%s / M:%s%s)' %
(block['block_index'], previous_ledger_hash[-5:],
previous_txlist_hash[-5:], previous_messages_hash[-5:],
(' [overwrote %s]' %
previous_found_messages_hash) if previous_found_messages_hash
and previous_found_messages_hash != previous_messages_hash
else ''))
except check.ConsensusError as e:
message = str(e)
if message.find('ledger_hash') != -1:
new_ledger = get_block_ledger(memory_db, block['block_index'])
old_ledger = get_block_ledger(prod_db, block['block_index'])
compare_strings(old_ledger, new_ledger)
elif message.find('txlist_hash') != -1:
new_txlist = get_block_txlist(memory_db, block['block_index'])
old_txlist = get_block_txlist(prod_db, block['block_index'])
compare_strings(old_txlist, new_txlist)
raise (e)
def reparse(testnet=True):
"""
Reparse all transaction from the database.
- Create a new in-memory DB, copy the DB that is on-disk
- Reparse DB, automatically compares consensus hashes to the original ones from the on-disk DB
"""
options = dict(COUNTERPARTYD_OPTIONS)
server.initialise(database_file=':memory:', testnet=testnet, **options)
logger = logging.getLogger()
if testnet:
config.PREFIX = b'TESTXXXX'
memory_db = database.get_connection(read_only=False)
data_dir = appdirs.user_data_dir(appauthor=config.XCP_NAME,
appname=config.APP_NAME,
roaming=True)
prod_db_path = os.path.join(
data_dir, '{}{}.db'.format(config.APP_NAME,
'.testnet' if testnet else ''))
assert os.path.exists(
prod_db_path), "database path {} does not exist".format(prod_db_path)
prod_db = apsw.Connection(prod_db_path)
prod_db.setrowtrace(database.rowtracer)
# Copy DB from file on disk (should be a DB file with at least all the checkpoints)
# in-memory DB shouldn't have been written to yet up until this point
with memory_db.backup("main", prod_db, "main") as backup:
while not backup.done:
backup.step(100)
# Drop most tables (except blocks, transactions, undolog)
memory_cursor = memory_db.cursor()
for table in blocks.TABLES + ['balances']:
memory_cursor.execute('''DROP TABLE IF EXISTS {}'''.format(table))
# Check that all checkpoint blocks are in the database to be tested.
if testnet:
CHECKPOINTS = check.CHECKPOINTS_TESTNET
else:
CHECKPOINTS = check.CHECKPOINTS_MAINNET
for block_index in CHECKPOINTS.keys():
block_exists = bool(
list(
memory_cursor.execute(
'''SELECT * FROM blocks WHERE block_index = ?''',
(block_index, ))))
assert block_exists, "block #%d does not exist" % block_index
# Clean consensus hashes if first block hash don’t match with checkpoint.
checkpoints = check.CHECKPOINTS_TESTNET if config.TESTNET else check.CHECKPOINTS_MAINNET
columns = [
column['name']
for column in memory_cursor.execute('''PRAGMA table_info(blocks)''')
]
for field in ['ledger_hash', 'txlist_hash']:
if field in columns:
sql = '''SELECT {} FROM blocks WHERE block_index = ?'''.format(
field)
first_hash = list(
memory_cursor.execute(sql, (config.BLOCK_FIRST, )))[0][field]
if first_hash != checkpoints[config.BLOCK_FIRST][field]:
logger.info('First hash changed. Cleaning {}.'.format(field))
memory_cursor.execute(
'''UPDATE blocks SET {} = NULL'''.format(field))
# Initialise missing tables
blocks.initialise(memory_db)
previous_ledger_hash = None
previous_txlist_hash = None
previous_messages_hash = None
# Reparse each block, if ConsensusError is thrown then the difference
memory_cursor.execute('''SELECT * FROM blocks ORDER BY block_index''')
for block in memory_cursor.fetchall():
try:
util.CURRENT_BLOCK_INDEX = block['block_index']
previous_ledger_hash, previous_txlist_hash, previous_messages_hash, previous_found_messages_hash = blocks.parse_block(
memory_db,
block['block_index'],
block['block_time'],
previous_ledger_hash=previous_ledger_hash,
ledger_hash=block['ledger_hash'],
previous_txlist_hash=previous_txlist_hash,
txlist_hash=block['txlist_hash'],
previous_messages_hash=previous_messages_hash)
logger.info(
'Block (re-parse): %s (hashes: L:%s / TX:%s / M:%s%s)' %
(block['block_index'], previous_ledger_hash[-5:],
previous_txlist_hash[-5:], previous_messages_hash[-5:],
(' [overwrote %s]' %
previous_found_messages_hash) if previous_found_messages_hash
and previous_found_messages_hash != previous_messages_hash
else ''))
except check.ConsensusError as e:
message = str(e)
if message.find('ledger_hash') != -1:
new_ledger = get_block_ledger(memory_db, block['block_index'])
old_ledger = get_block_ledger(prod_db, block['block_index'])
compare_strings(old_ledger, new_ledger)
elif message.find('txlist_hash') != -1:
new_txlist = get_block_txlist(memory_db, block['block_index'])
old_txlist = get_block_txlist(prod_db, block['block_index'])
compare_strings(old_txlist, new_txlist)
raise e
def reparse(testnet=True):
"""Reparse all transaction from the database, create a new blockchain and compare it to the old one."""
options = dict(COUNTERPARTYD_OPTIONS)
server.initialise(database_file=':memory:', testnet=testnet, **options)
logger = logging.getLogger()
if testnet:
config.PREFIX = b'TESTXXXX'
memory_db = database.get_connection(read_only=False)
initialise_db(memory_db)
data_dir = appdirs.user_data_dir(appauthor=config.XCP_NAME, appname=config.APP_NAME, roaming=True)
prod_db_path = os.path.join(data_dir, '{}{}.db'.format(config.APP_NAME, '.testnet' if testnet else ''))
assert os.path.exists(prod_db_path), "database path {} does not exist".format(prod_db_path)
prod_db = apsw.Connection(prod_db_path)
prod_db.setrowtrace(database.rowtracer)
with memory_db.backup("main", prod_db, "main") as backup:
backup.step()
# Here we don’t use block.reparse() because it reparse db in transaction (`with db`).
memory_cursor = memory_db.cursor()
for table in blocks.TABLES + ['balances']:
memory_cursor.execute('''DROP TABLE IF EXISTS {}'''.format(table))
# Check that all checkpoint blocks are in the database to be tested.
if testnet:
CHECKPOINTS = check.CHECKPOINTS_TESTNET
else:
CHECKPOINTS = check.CHECKPOINTS_MAINNET
for block_index in CHECKPOINTS.keys():
block_exists = bool(list(memory_cursor.execute('''SELECT * FROM blocks WHERE block_index = ?''', (block_index,))))
assert block_exists, "block #%d does not exist" % block_index
# Clean consensus hashes if first block hash don’t match with checkpoint.
checkpoints = check.CHECKPOINTS_TESTNET if config.TESTNET else check.CHECKPOINTS_MAINNET
columns = [column['name'] for column in memory_cursor.execute('''PRAGMA table_info(blocks)''')]
for field in ['ledger_hash', 'txlist_hash']:
if field in columns:
sql = '''SELECT {} FROM blocks WHERE block_index = ?'''.format(field)
first_hash = list(memory_cursor.execute(sql, (config.BLOCK_FIRST,)))[0][field]
if first_hash != checkpoints[config.BLOCK_FIRST][field]:
logger.info('First hash changed. Cleaning {}.'.format(field))
memory_cursor.execute('''UPDATE blocks SET {} = NULL'''.format(field))
blocks.initialise(memory_db)
previous_ledger_hash = None
previous_txlist_hash = None
previous_messages_hash = None
memory_cursor.execute('''SELECT * FROM blocks ORDER BY block_index''')
for block in memory_cursor.fetchall():
try:
util.CURRENT_BLOCK_INDEX = block['block_index']
previous_ledger_hash, previous_txlist_hash, previous_messages_hash, previous_found_messages_hash = blocks.parse_block(
memory_db, block['block_index'], block['block_time'],
previous_ledger_hash=previous_ledger_hash, ledger_hash=block['ledger_hash'],
previous_txlist_hash=previous_txlist_hash, txlist_hash=block['txlist_hash'],
previous_messages_hash=previous_messages_hash)
logger.info('Block (re-parse): %s (hashes: L:%s / TX:%s / M:%s%s)' % (
block['block_index'], previous_ledger_hash[-5:], previous_txlist_hash[-5:], previous_messages_hash[-5:],
(' [overwrote %s]' % previous_found_messages_hash) if previous_found_messages_hash and previous_found_messages_hash != previous_messages_hash else ''))
except check.ConsensusError as e:
message = str(e)
if message.find('ledger_hash') != -1:
new_ledger = get_block_ledger(memory_db, block['block_index'])
old_ledger = get_block_ledger(prod_db, block['block_index'])
compare_strings(old_ledger, new_ledger)
elif message.find('txlist_hash') != -1:
new_txlist = get_block_txlist(memory_db, block['block_index'])
old_txlist = get_block_txlist(prod_db, block['block_index'])
compare_strings(old_txlist, new_txlist)
raise(e)
def main():
if os.name == 'nt':
from counterpartylib.lib import util_windows
#patch up cmd.exe's "challenged" (i.e. broken/non-existent) UTF-8 logging
util_windows.fix_win32_unicode()
# Post installation tasks
generate_config_files()
# Parse command-line arguments.
parser = argparse.ArgumentParser(
prog=APP_NAME,
description='Server for the {} protocol'.format(config.XCP_NAME),
add_help=False)
parser.add_argument('-h',
'--help',
dest='help',
action='store_true',
help='show this help message and exit')
parser.add_argument('-V',
'--version',
action='version',
version="{} v{}; {} v{}".format(
APP_NAME, APP_VERSION, 'counterparty-lib',
config.VERSION_STRING))
parser.add_argument('--config-file',
help='the path to the configuration file')
parser = add_config_arguments(parser, CONFIG_ARGS, 'server.conf')
subparsers = parser.add_subparsers(dest='action',
help='the action to be taken')
parser_server = subparsers.add_parser('start', help='run the server')
parser_reparse = subparsers.add_parser(
'reparse', help='reparse all transactions in the database')
parser_rollback = subparsers.add_parser('rollback',
help='rollback database')
parser_rollback.add_argument('block_index',
type=int,
help='the index of the last known good block')
parser_kickstart = subparsers.add_parser(
'kickstart',
help='rapidly build database by reading from Bitcoin Core blockchain')
parser_kickstart.add_argument('--bitcoind-dir',
help='Bitcoin Core data directory')
parser_bootstrap = subparsers.add_parser(
'bootstrap', help='bootstrap database with hosted snapshot')
args = parser.parse_args()
log.set_up(logger, verbose=args.verbose)
logger.info('Running v{} of {}.'.format(APP_VERSION, APP_NAME))
# Help message
if args.help:
parser.print_help()
sys.exit()
# Bootstrapping
if args.action == 'bootstrap':
bootstrap(testnet=args.testnet)
sys.exit()
# Configuration
if args.action in ['reparse', 'rollback', 'kickstart', 'start']:
try:
db = server.initialise(
database_file=args.database_file,
log_file=args.log_file,
api_log_file=args.api_log_file,
testnet=args.testnet,
testcoin=args.testcoin,
backend_name=args.backend_name,
backend_connect=args.backend_connect,
backend_port=args.backend_port,
backend_user=args.backend_user,
backend_password=args.backend_password,
backend_ssl=args.backend_ssl,
backend_ssl_no_verify=args.backend_ssl_no_verify,
backend_poll_interval=args.backend_poll_interval,
rpc_host=args.rpc_host,
rpc_port=args.rpc_port,
rpc_user=args.rpc_user,
rpc_password=args.rpc_password,
rpc_no_allow_cors=args.rpc_no_allow_cors,
force=args.force,
verbose=args.verbose)
#,broadcast_tx_mainnet=args.broadcast_tx_mainnet)
except TypeError as e:
if 'unexpected keyword argument' in str(e):
raise VersionError(
'Unsupported Server Parameter. CLI/Library Version Incompatibility.'
)
else:
raise e
# PARSING
if args.action == 'reparse':
server.reparse(db)
elif args.action == 'rollback':
server.reparse(db, block_index=args.block_index)
elif args.action == 'kickstart':
server.kickstart(db, bitcoind_dir=args.bitcoind_dir)
elif args.action == 'start':
server.start_all(db)
else:
parser.print_help()