132 lines
4.4 KiB
Python
132 lines
4.4 KiB
Python
# standard imports
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import os
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import logging
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import re
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import sys
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import json
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# external imports
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import redis
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import celery
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from cic_eth_registry.registry import CICRegistry
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from chainsyncer.backend.memory import MemBackend
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from chainsyncer.driver.head import HeadSyncer
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from chainlib.eth.connection import EthHTTPConnection
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from chainlib.chain import ChainSpec
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from chainlib.eth.gas import RPCGasOracle
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from chainlib.eth.nonce import RPCNonceOracle
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from chainlib.eth.block import block_latest
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from hexathon import strip_0x
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import chainlib.eth.cli
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import cic_eth.cli
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from cic_eth.cli.chain import chain_interface
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from chainlib.eth.constant import ZERO_ADDRESS
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# local imports
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#import common
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from cmd.traffic import (
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TrafficItem,
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TrafficRouter,
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TrafficProvisioner,
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TrafficSyncHandler,
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)
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from cmd.traffic import add_args as add_traffic_args
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from cmd.cache import (
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AccountRegistryCache,
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TokenRegistryCache,
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)
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# common basics
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script_dir = os.path.dirname(os.path.realpath(__file__))
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traffic_schema_dir = os.path.join(script_dir, 'data', 'config')
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logging.basicConfig(level=logging.WARNING)
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logg = logging.getLogger()
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arg_flags = cic_eth.cli.argflag_std_read | cic_eth.cli.Flag.WALLET
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local_arg_flags = cic_eth.cli.argflag_local_taskcallback | cic_eth.cli.argflag_local_chain
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argparser = cic_eth.cli.ArgumentParser(arg_flags)
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argparser.add_argument('--batch-size', default=10, type=int, help='number of events to process simultaneously')
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argparser.process_local_flags(local_arg_flags)
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args = argparser.parse_args()
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extra_args = {
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'batch_size': None,
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}
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config = cic_eth.cli.Config.from_args(args, arg_flags, local_arg_flags, base_config_dir=traffic_schema_dir, extra_args=extra_args)
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wallet = chainlib.eth.cli.Wallet()
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wallet.from_config(config)
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rpc = chainlib.eth.cli.Rpc(wallet=wallet)
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conn = rpc.connect_by_config(config)
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chain_spec = ChainSpec.from_chain_str(config.get('CHAIN_SPEC'))
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class NetworkError(Exception):
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pass
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def main():
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# create signer (not currently in use, but needs to be accessible for custom traffic item generators)
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signer = rpc.get_signer()
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signer_address = rpc.get_sender_address()
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# connect to celery
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celery.Celery(broker=config.get('CELERY_BROKER_URL'), backend=config.get('CELERY_RESULT_URL'))
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# set up registry
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CICRegistry.address = config.get('CIC_REGISTRY_ADDRESS')
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registry = CICRegistry(chain_spec, conn)
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# Connect to blockchain with chainlib
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gas_oracle = RPCGasOracle(conn)
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nonce_oracle = RPCNonceOracle(signer_address, conn)
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# Set up magic traffic handler
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traffic_router = TrafficRouter()
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traffic_router.apply_import_dict(config.all(), config)
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handler = TrafficSyncHandler(config, traffic_router, conn)
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# Set up syncer
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syncer_backend = MemBackend(config.get('CHAIN_SPEC'), 0)
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o = block_latest()
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r = conn.do(o)
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block_offset = int(strip_0x(r), 16) + 1
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syncer_backend.set(block_offset, 0)
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# get relevant registry entries
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token_registry = registry.lookup('TokenRegistry')
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if token_registry == ZERO_ADDRESS:
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raise NetworkError('TokenRegistry value missing from contract registry {}'.format(config.get('CIC_REGISTRY_ADDRESS')))
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logg.info('using token registry {}'.format(token_registry))
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token_cache = TokenRegistryCache(chain_spec, token_registry)
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account_registry = registry.lookup('AccountRegistry')
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if account_registry == ZERO_ADDRESS:
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raise NetworkError('AccountRegistry value missing from contract registry {}'.format(config.get('CIC_REGISTRY_ADDRESS')))
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logg.info('using account registry {}'.format(account_registry))
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account_cache = AccountRegistryCache(chain_spec, account_registry)
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# Set up provisioner for common task input data
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TrafficProvisioner.oracles['token'] = token_cache
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TrafficProvisioner.oracles['account'] = account_cache
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TrafficProvisioner.default_aux = {
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'chain_spec': config.get('CHAIN_SPEC'),
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'registry': registry,
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'redis_host_callback': config.get('_REDIS_HOST_CALLBACK'),
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'redis_port_callback': config.get('_REDIS_PORT_CALLBACK'),
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'redis_db': config.get('REDIS_DB'),
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'api_queue': config.get('CELERY_QUEUE'),
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}
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syncer = HeadSyncer(syncer_backend, chain_interface, block_callback=handler.refresh)
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syncer.add_filter(handler)
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syncer.loop(1, conn)
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if __name__ == '__main__':
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main()
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