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