110 lines
3.4 KiB
Python
110 lines
3.4 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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# external imports
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import confini
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from chainlib.eth.connection import HTTPConnection
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from chainlib.eth.block import block_latest
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from chainlib.chain import ChainSpec
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# local imports
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from chainsyncer.driver import HeadSyncer
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from chainsyncer.db import dsn_from_config
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from chainsyncer.db.models.base import SessionBase
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from chainsyncer.backend import SyncerBackend
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from chainsyncer.error import LoopDone
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from chainsyncer.filter import NoopFilter
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logging.basicConfig(level=logging.WARNING)
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logg = logging.getLogger()
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config_dir = '/usr/local/etc/cic-syncer'
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class Handler:
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def __init__(self, method, domain):
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self.method = method
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self.domain = domain
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def handle(self, getter, tx, chain):
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logg.debug('noop tx {} chain {} method {} domain {}'.format(tx, chain, self.method, self.domain))
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handler = getattr(Handler, 'handle')
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argparser = argparse.ArgumentParser(description='daemon that monitors transactions in new blocks')
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argparser.add_argument('-p', '--provider', dest='p', type=str, help='chain rpc provider address')
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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('--offset', type=int, help='block number to start sync')
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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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'SYNCER_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)
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conn = HTTPConnection(config.get('ETH_PROVIDER'))
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chain = ChainSpec.from_chain_str(config.get('SYNCER_CHAIN_SPEC'))
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block_offset = args.offset
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def main():
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global block_offset
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if block_offset == None:
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o = block_latest()
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r = conn.do(o)
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block_offset = r[1]
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syncer_backend = SyncerBackend.live(chain, 0)
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syncer = HeadSyncer(syncer_backend)
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fltr = NoopFilter()
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syncer.add_filter(fltr)
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try:
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logg.debug('block offset {}'.format(block_offset))
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syncer.loop(int(config.get('SYNCER_LOOP_INTERVAL')), conn)
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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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sys.exit(0)
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if __name__ == '__main__':
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main()
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