151 lines
4.2 KiB
Python
151 lines
4.2 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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import datetime
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# external imports
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import celery
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from cic_eth_registry import CICRegistry
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from chainlib.chain import ChainSpec
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from chainlib.eth.tx import unpack
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from chainlib.connection import RPCConnection
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from hexathon import strip_0x
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from chainqueue.db.enum import (
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StatusEnum,
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StatusBits,
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)
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from chainqueue.error import NotLocalTxError
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from chainqueue.sql.state import set_reserved
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# local imports
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import cic_eth.cli
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from cic_eth.db import SessionBase
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from cic_eth.db.enum import LockEnum
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from cic_eth.db import dsn_from_config
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from cic_eth.queue.query import get_upcoming_tx
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from cic_eth.admin.ctrl import lock_send
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from cic_eth.eth.tx import send as task_tx_send
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from cic_eth.error import (
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PermanentTxError,
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TemporaryTxError,
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)
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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
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local_arg_flags = cic_eth.cli.argflag_local_sync | cic_eth.cli.argflag_local_task
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argparser = cic_eth.cli.ArgumentParser(arg_flags)
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argparser.process_local_flags(local_arg_flags)
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args = argparser.parse_args()
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config = cic_eth.cli.Config.from_args(args, arg_flags, local_arg_flags)
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# connect to celery
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celery_app = cic_eth.cli.CeleryApp.from_config(config)
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# connect to database
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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('CHAIN_SPEC'))
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# set up rpc
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rpc = cic_eth.cli.RPC.from_config(config)
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conn = rpc.get_default()
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run = True
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class DispatchSyncer:
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yield_delay = 0.0005
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def __init__(self, chain_spec):
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self.chain_spec = chain_spec
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self.session = None
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def chain(self):
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return self.chain_spec
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def process(self, w3, txs):
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c = len(txs.keys())
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logg.debug('processing {} txs {}'.format(c, list(txs.keys())))
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chain_str = str(self.chain_spec)
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self.session = SessionBase.create_session()
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for k in txs.keys():
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tx_raw = txs[k]
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tx_raw_bytes = bytes.fromhex(strip_0x(tx_raw))
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tx = unpack(tx_raw_bytes, self.chain_spec)
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try:
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set_reserved(self.chain_spec, tx['hash'], session=self.session)
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self.session.commit()
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except NotLocalTxError as e:
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logg.warning('dispatcher was triggered with non-local tx {}'.format(tx['hash']))
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self.session.rollback()
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continue
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s_check = celery.signature(
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'cic_eth.admin.ctrl.check_lock',
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[
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[tx_raw],
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self.chain_spec.asdict(),
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LockEnum.QUEUE,
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tx['from'],
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],
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queue=config.get('CELERY_QUEUE'),
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)
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s_send = celery.signature(
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'cic_eth.eth.tx.send',
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[
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self.chain_spec.asdict(),
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],
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queue=config.get('CELERY_QUEUE'),
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)
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s_check.link(s_send)
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t = s_check.apply_async()
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logg.info('processed {}'.format(k))
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self.session.close()
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self.session = None
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def loop(self, interval):
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while run:
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txs = {}
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typ = StatusBits.QUEUED
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utxs = get_upcoming_tx(self.chain_spec, typ)
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for k in utxs.keys():
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txs[k] = utxs[k]
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try:
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conn = RPCConnection.connect(self.chain_spec, 'default')
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self.process(conn, txs)
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except ConnectionError as e:
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if self.session != None:
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self.session.close()
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self.session = None
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logg.error('connection to node failed: {}'.format(e))
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if len(utxs) > 0:
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time.sleep(self.yield_delay)
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else:
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time.sleep(interval)
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def main():
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syncer = DispatchSyncer(chain_spec)
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syncer.loop(float(config.get('DISPATCHER_LOOP_INTERVAL')))
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sys.exit(0)
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if __name__ == '__main__':
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main()
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