110 lines
3.2 KiB
Python
110 lines
3.2 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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# 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 cic_base.config
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import cic_base.log
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import cic_base.argparse
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import cic_base.rpc
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from cic_eth_registry import CICRegistry
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from cic_eth_registry.error import UnknownContractError
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from chainlib.chain import ChainSpec
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from chainlib.eth.constant import ZERO_ADDRESS
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from chainlib.connection import RPCConnection
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from chainlib.eth.block import (
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block_latest,
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)
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from hexathon import (
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strip_0x,
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)
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from chainsyncer.backend import SyncerBackend
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from chainsyncer.driver import (
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HeadSyncer,
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)
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from chainsyncer.db.models.base import SessionBase
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# local imports
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from cic_cache.db import dsn_from_config
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from cic_cache.runnable.daemons.filters import (
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ERC20TransferFilter,
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)
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script_dir = os.path.realpath(os.path.dirname(__file__))
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logg = cic_base.log.create()
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argparser = cic_base.argparse.create(script_dir, cic_base.argparse.full_template)
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#argparser = cic_base.argparse.add(argparser, add_traffic_args, 'traffic')
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args = cic_base.argparse.parse(argparser, logg)
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config = cic_base.config.create(args.c, args, args.env_prefix)
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cic_base.config.log(config)
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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, 'default')
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cic_base.rpc.setup(chain_spec, config.get('ETH_PROVIDER'))
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def main():
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# Connect to blockchain with chainlib
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rpc = RPCConnection.connect(chain_spec, 'default')
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o = block_latest()
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r = rpc.do(o)
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block_offset = int(strip_0x(r), 16) + 1
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logg.debug('starting at block {}'.format(block_offset))
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syncers = []
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#if SyncerBackend.first(chain_spec):
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# backend = SyncerBackend.initial(chain_spec, block_offset)
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syncer_backends = SyncerBackend.resume(chain_spec, block_offset)
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if len(syncer_backends) == 0:
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logg.info('found no backends to resume')
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syncer_backends.append(SyncerBackend.initial(chain_spec, block_offset))
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else:
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for syncer_backend in syncer_backends:
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logg.info('resuming sync session {}'.format(syncer_backend))
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syncer_backends.append(SyncerBackend.live(chain_spec, block_offset+1))
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syncers.append(HeadSyncer(syncer_backend))
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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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erc20_transfer_filter = ERC20TransferFilter(chain_spec)
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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.add_filter(erc20_transfer_filter)
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r = syncer.loop(int(config.get('SYNCER_LOOP_INTERVAL')), rpc)
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sys.stderr.write("sync {} done at block {}\n".format(syncer, r))
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i += 1
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if __name__ == '__main__':
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main()
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