cic-stack/apps/cic-eth/cic_eth/runnable/daemons/manager.py

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2021-02-17 09:19:42 +01:00
# standard imports
import os
import sys
import logging
import time
import argparse
import sys
import re
# third-party imports
import confini
import celery
import rlp
import web3
from web3 import HTTPProvider, WebsocketProvider
from cic_registry import CICRegistry
from cic_registry.chain import ChainSpec
from cic_registry import zero_address
from cic_registry.chain import ChainRegistry
from cic_registry.error import UnknownContractError
from cic_bancor.bancor import BancorRegistryClient
# local imports
import cic_eth
from cic_eth.eth import RpcClient
from cic_eth.db import SessionBase
from cic_eth.db import Otx
from cic_eth.db import TxConvertTransfer
from cic_eth.db.models.tx import TxCache
from cic_eth.db.enum import StatusEnum
from cic_eth.db import dsn_from_config
from cic_eth.queue.tx import get_paused_txs
from cic_eth.sync import Syncer
from cic_eth.sync.error import LoopDone
from cic_eth.db.error import UnknownConvertError
from cic_eth.eth.util import unpack_signed_raw_tx
from cic_eth.eth.task import create_check_gas_and_send_task
from cic_eth.sync.backend import SyncerBackend
from cic_eth.eth.token import unpack_transfer
from cic_eth.eth.token import unpack_transferfrom
from cic_eth.eth.account import unpack_gift
from cic_eth.runnable.daemons.filters import (
CallbackFilter,
GasFilter,
TxFilter,
RegistrationFilter,
)
logging.basicConfig(level=logging.WARNING)
logg = logging.getLogger()
logging.getLogger('websockets.protocol').setLevel(logging.CRITICAL)
logging.getLogger('web3.RequestManager').setLevel(logging.CRITICAL)
logging.getLogger('web3.providers.WebsocketProvider').setLevel(logging.CRITICAL)
logging.getLogger('web3.providers.HTTPProvider').setLevel(logging.CRITICAL)
config_dir = os.path.join('/usr/local/etc/cic-eth')
argparser = argparse.ArgumentParser(description='daemon that monitors transactions in new blocks')
argparser.add_argument('-c', type=str, default=config_dir, help='config root to use')
argparser.add_argument('-i', '--chain-spec', type=str, dest='i', help='chain spec')
argparser.add_argument('--abi-dir', dest='abi_dir', type=str, help='Directory containing bytecode and abi')
argparser.add_argument('--env-prefix', default=os.environ.get('CONFINI_ENV_PREFIX'), dest='env_prefix', type=str, help='environment prefix for variables to overwrite configuration')
argparser.add_argument('-q', type=str, default='cic-eth', help='celery queue to submit transaction tasks to')
argparser.add_argument('-v', help='be verbose', action='store_true')
argparser.add_argument('-vv', help='be more verbose', action='store_true')
argparser.add_argument('mode', type=str, help='sync mode: (head|history)', default='head')
args = argparser.parse_args(sys.argv[1:])
if args.v == True:
logging.getLogger().setLevel(logging.INFO)
elif args.vv == True:
logging.getLogger().setLevel(logging.DEBUG)
config_dir = os.path.join(args.c)
os.makedirs(config_dir, 0o777, True)
config = confini.Config(config_dir, args.env_prefix)
config.process()
# override args
args_override = {
'ETH_ABI_DIR': getattr(args, 'abi_dir'),
'CIC_CHAIN_SPEC': getattr(args, 'i'),
}
config.dict_override(args_override, 'cli flag')
config.censor('PASSWORD', 'DATABASE')
config.censor('PASSWORD', 'SSL')
logg.debug('config loaded from {}:\n{}'.format(config_dir, config))
app = celery.Celery(backend=config.get('CELERY_RESULT_URL'), broker=config.get('CELERY_BROKER_URL'))
queue = args.q
chain_spec = ChainSpec.from_chain_str(config.get('CIC_CHAIN_SPEC'))
re_websocket = re.compile('^wss?://')
re_http = re.compile('^https?://')
blockchain_provider = config.get('ETH_PROVIDER')
if re.match(re_websocket, blockchain_provider) != None:
blockchain_provider = WebsocketProvider(blockchain_provider)
elif re.match(re_http, blockchain_provider) != None:
blockchain_provider = HTTPProvider(blockchain_provider)
else:
raise ValueError('unknown provider url {}'.format(blockchain_provider))
def web3_constructor():
w3 = web3.Web3(blockchain_provider)
return (blockchain_provider, w3)
RpcClient.set_constructor(web3_constructor)
c = RpcClient(chain_spec)
CICRegistry.init(c.w3, config.get('CIC_REGISTRY_ADDRESS'), chain_spec)
CICRegistry.add_path(config.get('ETH_ABI_DIR'))
chain_registry = ChainRegistry(chain_spec)
CICRegistry.add_chain_registry(chain_registry, True)
declarator = CICRegistry.get_contract(chain_spec, 'AddressDeclarator', interface='Declarator')
dsn = dsn_from_config(config)
SessionBase.connect(dsn, pool_size=1, debug=config.true('DATABASE_DEBUG'))
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def main():
global chain_spec, c, queue
if config.get('ETH_ACCOUNT_ACCOUNTS_INDEX_WRITER') != None:
CICRegistry.add_role(chain_spec, config.get('ETH_ACCOUNT_ACCOUNTS_INDEX_WRITER'), 'AccountRegistry', True)
syncers = []
block_offset = c.w3.eth.blockNumber
chain = str(chain_spec)
if SyncerBackend.first(chain):
from cic_eth.sync.history import HistorySyncer
backend = SyncerBackend.initial(chain, block_offset)
syncer = HistorySyncer(backend)
syncers.append(syncer)
if args.mode == 'head':
from cic_eth.sync.head import HeadSyncer
block_sync = SyncerBackend.live(chain, block_offset+1)
syncers.append(HeadSyncer(block_sync))
elif args.mode == 'history':
from cic_eth.sync.history import HistorySyncer
backends = SyncerBackend.resume(chain, block_offset+1)
for backend in backends:
syncers.append(HistorySyncer(backend))
if len(syncers) == 0:
logg.info('found no unsynced history. terminating')
sys.exit(0)
else:
sys.stderr.write("unknown mode '{}'\n".format(args.mode))
sys.exit(1)
# bancor_registry_contract = CICRegistry.get_contract(chain_spec, 'BancorRegistry', interface='Registry')
# bancor_chain_registry = CICRegistry.get_chain_registry(chain_spec)
# bancor_registry = BancorRegistryClient(c.w3, bancor_chain_registry, config.get('ETH_ABI_DIR'))
# bancor_registry.load()
trusted_addresses_src = config.get('CIC_TRUST_ADDRESS')
if trusted_addresses_src == None:
logg.critical('At least one trusted address must be declared in CIC_TRUST_ADDRESS')
sys.exit(1)
trusted_addresses = trusted_addresses_src.split(',')
for address in trusted_addresses:
logg.info('using trusted address {}'.format(address))
CallbackFilter.trusted_addresses = trusted_addresses
callback_filters = []
for cb in config.get('TASKS_TRANSFER_CALLBACKS', '').split(','):
task_split = cb.split(':')
task_queue = queue
if len(task_split) > 1:
task_queue = task_split[0]
callback_filter = CallbackFilter(task_split[1], task_queue)
callback_filters.append(callback_filter)
tx_filter = TxFilter(queue)
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registration_filter = RegistrationFilter(queue)
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gas_filter = GasFilter(c.gas_provider(), queue)
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i = 0
for syncer in syncers:
logg.debug('running syncer index {}'.format(i))
syncer.filter.append(gas_filter.filter)
syncer.filter.append(registration_filter.filter)
# TODO: the two following filter functions break the filter loop if return uuid. Pro: less code executed. Con: Possibly unintuitive flow break
syncer.filter.append(tx_filter.filter)
#syncer.filter.append(convert_filter)
for cf in callback_filters:
syncer.filter.append(cf.filter)
try:
syncer.loop(int(config.get('SYNCER_LOOP_INTERVAL')))
except LoopDone as e:
sys.stderr.write("sync '{}' done at block {}\n".format(args.mode, e))
i += 1
sys.exit(0)
if __name__ == '__main__':
main()