163 lines
5.0 KiB
Python
163 lines
5.0 KiB
Python
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# 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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import datetime
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# third-party imports
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import confini
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import celery
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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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# 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.enum import StatusEnum
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from cic_eth.db.enum import LockEnum
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from cic_eth.db import dsn_from_config
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from cic_eth.queue.tx import get_upcoming_tx
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from cic_eth.admin.ctrl import lock_send
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from cic_eth.sync.error import LoopDone
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from cic_eth.eth.tx import send as task_tx_send
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from cic_eth.error import PermanentTxError
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from cic_eth.error import TemporaryTxError
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from cic_eth.eth.util import unpack_signed_raw_tx_hex
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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('--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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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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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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dsn = dsn_from_config(config)
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SessionBase.connect(dsn)
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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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run = True
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class DispatchSyncer:
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def __init__(self, chain_spec):
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self.chain_spec = chain_spec
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self.chain_id = chain_spec.chain_id()
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def chain(self):
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return self.chain_spec
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def process(self, w3, txs):
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c = len(txs.keys())
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logg.debug('processing {} txs {}'.format(c, list(txs.keys())))
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chain_str = str(self.chain_spec)
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for k in txs.keys():
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tx_raw = txs[k]
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tx = unpack_signed_raw_tx_hex(tx_raw, self.chain_spec.chain_id())
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s_check = celery.signature(
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'cic_eth.admin.ctrl.check_lock',
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[
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[tx_raw],
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chain_str,
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LockEnum.QUEUE,
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tx['from'],
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],
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queue=queue,
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)
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s_send = celery.signature(
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'cic_eth.eth.tx.send',
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[
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chain_str,
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],
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queue=queue,
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)
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s_check.link(s_send)
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t = s_check.apply_async()
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def loop(self, w3, interval):
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while run:
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txs = {}
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typ = StatusEnum.READYSEND
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utxs = get_upcoming_tx(typ, chain_id=self.chain_id)
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for k in utxs.keys():
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txs[k] = utxs[k]
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self.process(w3, txs)
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time.sleep(interval)
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def main():
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chain_spec = ChainSpec.from_chain_str(config.get('CIC_CHAIN_SPEC'))
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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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syncer = DispatchSyncer(chain_spec)
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try:
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syncer.loop(c.w3, float(config.get('DISPATCHER_LOOP_INTERVAL')))
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except LoopDone as e:
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sys.stderr.write("dispatcher done at block {}\n".format(e))
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sys.exit(0)
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if __name__ == '__main__':
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main()
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