mirror of git://holbrook.no/eth-monitor.git
305 lines
11 KiB
Python
305 lines
11 KiB
Python
# standard imports
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import sys
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import signal
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import argparse
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import confini
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import logging
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import os
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import importlib
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# external imports
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from chainlib.chain import ChainSpec
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from chainlib.eth.connection import EthHTTPConnection
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from chainlib.eth.block import block_latest
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from hexathon import (
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strip_0x,
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add_0x,
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)
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from chainsyncer.driver.head import HeadSyncer
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from chainsyncer.driver.history import HistorySyncer
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from chainsyncer.backend.file import FileBackend
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from chainsyncer.filter import NoopFilter
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# local imports
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from eth_monitor.chain import EthChainInterface
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from eth_monitor.filters.cache import Filter as CacheFilter
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from eth_monitor.rules import AddressRules
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from eth_monitor.filters import RuledFilter
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from eth_monitor.filters.out import OutFilter
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from eth_monitor.store.file import FileStore
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logging.basicConfig(level=logging.WARNING)
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logg = logging.getLogger()
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#logging.getLogger('leveldir.hex').setLevel(level=logging.DEBUG)
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#logging.getLogger('leveldir.numeric').setLevel(level=logging.DEBUG)
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default_eth_provider = os.environ.get('RPC_PROVIDER')
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if default_eth_provider == None:
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default_eth_provider = os.environ.get('ETH_PROVIDER', 'http://localhost:8545')
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script_dir = os.path.realpath(os.path.dirname(__file__))
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exec_dir = os.path.realpath(os.getcwd())
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#default_config_dir = os.environ.get('CONFINI_DIR', os.path.join(exec_dir, 'config'))
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base_config_dir = os.path.join(script_dir, '..', 'data', 'config')
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argparser = argparse.ArgumentParser('master eth events monitor')
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argparser.add_argument('-p', '--provider', dest='p', default=default_eth_provider, type=str, help='Web3 provider url (http only)')
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argparser.add_argument('-c', type=str, help='config file')
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argparser.add_argument('-i', '--chain-spec', dest='i', type=str, help='Chain specification string')
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argparser.add_argument('--offset', type=int, default=0, help='Start sync on this block')
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#argparser.add_argument('--until', type=int, default=0, help='Start sync on this block')
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argparser.add_argument('--head', action='store_true', help='Start at current block height (overrides --offset, assumes --keep-alive)')
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argparser.add_argument('--seq', action='store_true', help='Use sequential rpc ids')
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argparser.add_argument('--skip-history', action='store_true', dest='skip_history', help='Skip history sync')
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argparser.add_argument('--includes-file', type=str, dest='includes_file', help='Load include rules from file')
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argparser.add_argument('--include-default', dest='include_default', action='store_true', help='Include all transactions by default')
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argparser.add_argument('--store-tx-data', dest='store_tx_data', action='store_true', help='Include all transaction data objects by default')
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argparser.add_argument('--store-block-data', dest='store_block_data', action='store_true', help='Include all block data objects by default')
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argparser.add_argument('--excludes-file', type=str, dest='excludes_file', help='Load exclude rules from file')
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argparser.add_argument('--renderer', type=str, action='append', default=[], help='Python modules to dynamically load for rendering of transaction output')
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argparser.add_argument('--filter', type=str, action='append', help='Add python module filter path')
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argparser.add_argument('--cache-dir', dest='cache_dir', type=str, help='Directory to store tx data')
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argparser.add_argument('--single', action='store_true', help='Execute a single sync, regardless of previous states')
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argparser.add_argument('-v', action='store_true', help='Be verbose')
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argparser.add_argument('-vv', action='store_true', help='Be more verbose')
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args = argparser.parse_args(sys.argv[1:])
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if args.vv:
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logg.setLevel(logging.DEBUG)
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elif args.v:
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logg.setLevel(logging.INFO)
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config_dir = args.c
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config = confini.Config(base_config_dir, os.environ.get('CONFINI_ENV_PREFIX'), override_dirs=args.c)
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config.process()
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args_override = {
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'CHAIN_SPEC': getattr(args, 'i'),
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}
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config.dict_override(args_override, 'cli')
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config.add(args.offset, '_SYNC_OFFSET', True)
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config.add(args.skip_history, '_NO_HISTORY', True)
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config.add(args.single, '_SINGLE', True)
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config.add(args.head, '_HEAD', True)
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logg.debug('loaded config:\{}'.format(config))
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block_offset = 0
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if args.head:
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block_offset = -1
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else:
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block_offset = args.offset
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block_limit = 0
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#if args.until > 0:
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# if not args.head and args.until <= block_offset:
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# raise ValueError('sync termination block number must be later than offset ({} >= {})'.format(block_offset, args.until))
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# block_limit = args.until
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logg.debug('config loaded:\n{}'.format(config))
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chain_spec = ChainSpec.from_chain_str(args.i)
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state_dir = os.path.join(exec_dir, 'state')
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rpc_id_generator = None
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if args.seq:
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rpc_id_generator = IntSequenceGenerator()
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auth = None
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if os.environ.get('RPC_AUTHENTICATION') == 'basic':
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from chainlib.auth import BasicAuth
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auth = BasicAuth(os.environ['RPC_USERNAME'], os.environ['RPC_PASSWORD'])
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rpc = EthHTTPConnection(args.p)
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def setup_address_rules(includes_file=None, excludes_file=None, include_default=False, include_block_default=False):
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rules = AddressRules(include_by_default=include_default)
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if includes_file != None:
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f = open(includes_file, 'r')
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logg.debug('reading includes rules from {}'.format(os.path.realpath(includes_file)))
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while True:
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r = f.readline()
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if r == '':
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break
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r = r.rstrip()
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v = r.split(",")
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sender = None
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recipient = None
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executable = None
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if v[0] != '':
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sender = v[0]
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if v[1] != '':
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recipient = v[1]
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if v[2] != '':
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executable = v[2]
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rules.include(sender=sender, recipient=recipient, executable=executable)
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if excludes_file != None:
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f = open(includes_file, 'r')
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logg.debug('reading excludes rules from {}'.format(os.path.realpath(excludes_file)))
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while True:
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r = f.readline()
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if r == '':
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break
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r = r.rstrip()
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v = r.split(",")
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sender = None
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recipient = None
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executable = None
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if v[0] != '':
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sender = v[0]
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if v[1] != '':
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recipient = v[1]
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if v[2] != '':
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executable = v[2]
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rules.exclude(sender=sender, recipient=recipient, executable=executable)
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return rules
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def setup_filter(chain_spec, cache_dir, include_tx_data, include_block_data):
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store = None
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if cache_dir == None:
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logg.warning('no cache dir specified, will discard everything!!')
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from eth_monitor.store.null import NullStore
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store = NullStore()
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else:
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store = FileStore(chain_spec, cache_dir)
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cache_dir = os.path.realpath(cache_dir)
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if cache_dir == None:
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import tempfile
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cache_dir = tempfile.mkdtemp()
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logg.info('using chain spec {} and store {}'.format(chain_spec, store))
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RuledFilter.init(store, include_tx_data=include_tx_data, include_block_data=include_block_data)
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def setup_cache_filter(rules_filter=None):
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return CacheFilter(rules_filter=rules_filter)
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def setup_backend_resume(chain_spec, block_offset, block_limit, state_dir, callback, chain_interface, sync_offset=0, skip_history=False):
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syncers = []
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syncer_backends = FileBackend.resume(chain_spec, block_offset, base_dir=state_dir)
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if len(syncer_backends) == 0:
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initial_block_start = block_offset - 1
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if config.get('_SYNC_OFFSET') != None:
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initial_block_start = config.get('_SYNC_OFFSET')
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initial_block_offset = block_offset
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if skip_history:
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initial_block_start = block_offset
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initial_block_offset += 1
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syncer_backends.append(FileBackend.initial(chain_spec, initial_block_offset, start_block_height=initial_block_start, base_dir=state_dir))
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logg.info('found no backends to resume, adding initial sync from history start {} end {}'.format(initial_block_start, initial_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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for syncer_backend in syncer_backends:
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syncers.append(HistorySyncer(syncer_backend, chain_interface, block_callback=callback)) #RuledFilter.block_callback))
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syncer_backend = FileBackend.live(chain_spec, block_offset+1, base_dir=state_dir)
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syncers.append(HeadSyncer(syncer_backend, chain_interface, block_callback=callback))
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return syncers
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def setup_backend_single(chain_spec, block_offset, block_limit, state_dir, callback, chain_interface, sync_offset=0, skip_history=False):
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syncer_backend = FileBackend.initial(chain_spec, block_offset, start_block_height=sync_offset, base_dir=state_dir)
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syncer = HistorySyncer(syncer_backend, chain_interface, block_callback=callback)
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return [syncer]
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def setup_backend_head(chain_spec, block_offset, block_limit, state_dir, callback, chain_interface, sync_offset=0, skip_history=False):
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syncer_backend = FileBackend.live(chain_spec, block_offset, base_dir=state_dir)
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syncer = HeadSyncer(syncer_backend, chain_interface, block_callback=callback)
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return [syncer]
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def main():
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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.info('network block height is {}'.format(block_offset))
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if block_offset == -1:
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block_offset = block_latest
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# elif not config.true('_KEEP_ALIVE'):
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# if block_limit == 0:
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# block_limit = block_latest
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#
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address_rules = setup_address_rules(
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includes_file=args.includes_file,
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excludes_file=args.excludes_file,
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include_default=bool(args.include_default),
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)
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setup_filter(
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chain_spec,
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args.cache_dir,
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bool(args.store_tx_data),
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bool(args.store_block_data),
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)
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cache_filter = setup_cache_filter(
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rules_filter=address_rules,
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)
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filters = [
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cache_filter,
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]
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if args.filter != None:
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for fltr in args.filter:
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m = importlib.import_module(fltr)
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fltr_object = m.Filter(rules_filter=address_rules)
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filters.append(fltr_object)
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syncer_setup_func = None
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if config.true('_HEAD'):
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syncer_setup_func = setup_backend_head
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elif config.true('_SINGLE'):
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syncer_setup_func = setup_backend_single
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else:
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syncer_setup_func = setup_backend_resume
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chain_interface = EthChainInterface()
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syncers = syncer_setup_func(
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chain_spec,
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block_offset,
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block_limit,
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state_dir,
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cache_filter.block_callback,
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chain_interface,
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sync_offset=config.get('_SYNC_OFFSET'),
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skip_history=config.true('_NO_HISTORY'),
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)
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renderers_mods = []
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for renderer in args.renderer:
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m = importlib.import_module(renderer)
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renderers_mods.append(m)
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out_filter = OutFilter(chain_spec, rules_filter=address_rules, renderers=renderers_mods)
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filters.append(out_filter)
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i = 0
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for syncer in syncers:
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logg.info('running syncer index {} {}'.format(i, str(syncer)))
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for f in filters:
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syncer.add_filter(f)
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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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