142 lines
5.1 KiB
Python
142 lines
5.1 KiB
Python
# standard imports
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import sys
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import time
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import socket
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import signal
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import os
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import logging
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import stat
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import argparse
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import uuid
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# external imports
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import chainlib.eth.cli
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from chaind import Environment
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import confini
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from hexathon import strip_0x
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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 chainsyncer.driver.head import HeadSyncer
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from chainsyncer.driver.history import HistorySyncer
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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.sql import SQLBackend
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from chainsyncer.error import SyncDone
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# local imports
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from chaind_eth.filter import StateFilter
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from chaind_eth.chain import EthChainInterface
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logging.basicConfig(level=logging.WARNING)
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logg = logging.getLogger()
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script_dir = os.path.dirname(os.path.realpath(__file__))
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config_dir = os.path.join(script_dir, '..', 'data', 'config')
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env = Environment(domain='eth', env=os.environ)
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arg_flags = chainlib.eth.cli.argflag_std_read
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argparser = chainlib.eth.cli.ArgumentParser(arg_flags)
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argparser.add_argument('--data-dir', type=str, help='data directory')
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argparser.add_argument('--runtime-dir', type=str, help='runtime directory')
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argparser.add_argument('--session-id', dest='session_id', type=str, help='session identifier')
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argparser.add_argument('--offset', default=0, type=int, help='block height to sync history from')
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args = argparser.parse_args()
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extra_args = {
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'runtime_dir': 'SESSION_RUNTIME_DIR',
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'data_dir': 'SESSION_DATA_DIR',
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'session_id': 'SESSION_ID',
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'offset': 'SYNCER_HISTORY_START',
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}
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#config = chainlib.eth.cli.Config.from_args(args, arg_flags, default_config_dir=config_dir, extend_base_config_dir=config_dir)
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config = chainlib.eth.cli.Config.from_args(args, arg_flags, extra_args=extra_args, base_config_dir=[config_dir, os.path.join(config_dir, 'syncer')])
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logg.debug('session id {} {}'.format(type(config.get('SESSION_ID')), config.get('SESSION_ID')))
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if config.get('SESSION_ID') == None:
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config.add(env.session, 'SESSION_ID', exists_ok=True)
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if config.get('SESSION_RUNTIME_DIR') == None:
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config.add(env.runtime_dir, 'SESSION_RUNTIME_DIR', exists_ok=True)
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if config.get('SESSION_DATA_DIR') == None:
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config.add(env.data_dir, 'SESSION_DATA_DIR', exists_ok=True)
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if not config.get('SESSION_SOCKET_PATH'):
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socket_path = os.path.join(config.get('SESSION_RUNTIME_DIR'), config.get('SESSION_ID'), 'chaind.sock')
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config.add(socket_path, 'SESSION_SOCKET_PATH', True)
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if config.get('DATABASE_ENGINE') == 'sqlite':
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config.add(os.path.join(config.get('SESSION_DATA_DIR'), config.get('DATABASE_NAME') + '.sqlite'), 'DATABASE_NAME', exists_ok=True)
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config.censor('PASSWORD', 'DATABASE')
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logg.debug('config loaded:\n{}'.format(config))
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chain_spec = ChainSpec.from_chain_str(config.get('CHAIN_SPEC'))
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dsn = dsn_from_config(config)
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logg.debug('dns {}'.format(dsn))
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SQLBackend.setup(dsn, debug=config.true('DATABASE_DEBUG'))
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rpc = EthHTTPConnection(url=config.get('RPC_HTTP_PROVIDER'), chain_spec=chain_spec)
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def register_filter_tags(filters, session):
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for f in filters:
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tag = f.tag()
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try:
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add_tag(session, tag[0], domain=tag[1])
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session.commit()
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logg.info('added tag name "{}" domain "{}"'.format(tag[0], tag[1]))
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except sqlalchemy.exc.IntegrityError:
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session.rollback()
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logg.debug('already have tag name "{}" domain "{}"'.format(tag[0], tag[1]))
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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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syncers = []
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syncer_backends = SQLBackend.resume(chain_spec, block_offset)
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if len(syncer_backends) == 0:
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initial_block_start = config.get('SYNCER_HISTORY_START', 0)
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if isinstance(initial_block_start, str):
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initial_block_start = int(initial_block_start)
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initial_block_offset = block_offset
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if config.true('SYNCER_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(SQLBackend.initial(chain_spec, initial_block_offset, start_block_height=initial_block_start))
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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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chain_interface = EthChainInterface()
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for syncer_backend in syncer_backends:
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syncers.append(HistorySyncer(syncer_backend, chain_interface))
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syncer_backend = SQLBackend.live(chain_spec, block_offset+1)
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syncers.append(HeadSyncer(syncer_backend, chain_interface))
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state_filter = StateFilter(chain_spec)
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filters = [
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state_filter,
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]
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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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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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sys.exit(0)
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if __name__ == '__main__':
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main()
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