162 lines
4.9 KiB
Python
162 lines
4.9 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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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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from cic_eth_registry import CICRegistry
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from chainlib.chain import ChainSpec
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from chainlib.eth.tx import unpack
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from chainlib.connection import RPCConnection
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from hexathon import strip_0x
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from chainqueue.db.enum import (
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StatusEnum,
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StatusBits,
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)
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from chainqueue.error import NotLocalTxError
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from chainqueue.sql.state import set_reserved
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# local imports
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import cic_eth
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from cic_eth.db import SessionBase
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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.query import get_upcoming_tx
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from cic_eth.admin.ctrl import lock_send
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from cic_eth.eth.tx import send as task_tx_send
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from cic_eth.error import (
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PermanentTxError,
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TemporaryTxError,
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)
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logging.basicConfig(level=logging.WARNING)
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logg = logging.getLogger()
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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('-p', '--provider', default='http://localhost:8545', dest='p', type=str, help='rpc provider')
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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', dest='i', type=str, help='chain spec')
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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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args_override = {
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'CIC_CHAIN_SPEC': getattr(args, 'i'),
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'ETH_PROVIDER': getattr(args, 'p'),
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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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dsn = dsn_from_config(config)
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SessionBase.connect(dsn, debug=config.true('DATABASE_DEBUG'))
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chain_spec = ChainSpec.from_chain_str(config.get('CIC_CHAIN_SPEC'))
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RPCConnection.register_location(config.get('ETH_PROVIDER'), chain_spec, tag='default')
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run = True
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class DispatchSyncer:
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yield_delay = 0.0005
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def __init__(self, chain_spec):
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self.chain_spec = chain_spec
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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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session = SessionBase.create_session()
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for k in txs.keys():
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tx_raw = txs[k]
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tx_raw_bytes = bytes.fromhex(strip_0x(tx_raw))
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tx = unpack(tx_raw_bytes, self.chain_spec)
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try:
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set_reserved(self.chain_spec, tx['hash'], session=session)
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except NotLocalTxError as e:
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logg.warning('dispatcher was triggered with non-local tx {}'.format(tx['hash']))
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continue
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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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self.chain_spec.asdict(),
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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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self.chain_spec.asdict(),
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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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logg.info('processed {}'.format(k))
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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 = StatusBits.QUEUED
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utxs = get_upcoming_tx(self.chain_spec, typ)
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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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if len(utxs) > 0:
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time.sleep(self.yield_delay)
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else:
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time.sleep(interval)
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def main():
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syncer = DispatchSyncer(chain_spec)
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conn = RPCConnection.connect(chain_spec, 'default')
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syncer.loop(conn, float(config.get('DISPATCHER_LOOP_INTERVAL')))
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sys.exit(0)
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if __name__ == '__main__':
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main()
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