148 lines
4.2 KiB
Python
148 lines
4.2 KiB
Python
# standard imports
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import os
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import logging
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import signal
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# external imports
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import chainlib.eth.cli
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import chaind.cli
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import chainqueue.cli
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from chaind.session import SessionController
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from chaind.setup import Environment
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from chaind.error import (
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NothingToDoError,
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ClientGoneError,
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ClientBlockError,
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ClientInputError,
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)
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from chainqueue import (
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Store,
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Status,
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)
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from chainqueue.error import DuplicateTxError
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from chainqueue.store.fs import (
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IndexStore,
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CounterStore,
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)
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from chainqueue.cache import CacheTokenTx
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from chainlib.encode import TxHexNormalizer
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from chainlib.chain import ChainSpec
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from chaind.adapters.fs import ChaindFsAdapter
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# local imports
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from chaind.eth.dispatch import EthDispatcher
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from chaind.eth.cache import EthCacheTx
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from chaind.eth.settings import ChaindEthSettings
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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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queue_arg_flags = 0
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chainqueue.cli.process_flags(argparser, queue_arg_flags)
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local_arg_flags = chaind.cli.argflag_local_base | chaind.cli.ChaindFlag.DISPATCH | chaind.cli.ChaindFlag.SOCKET
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chaind.cli.process_flags(argparser, local_arg_flags)
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args = argparser.parse_args()
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base_config_dir = [chainqueue.cli.config_dir, chaind.cli.config_dir]
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config = chainlib.eth.cli.Config.from_args(args, arg_flags, base_config_dir=base_config_dir)
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config = chaind.cli.process_config(config, args, local_arg_flags)
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config = chainqueue.cli.process_config(config, args, queue_arg_flags)
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config.add('eth', 'CHAIND_ENGINE', False)
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config.add('queue', 'CHAIND_COMPONENT', False)
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logg.debug('config loaded:\n{}'.format(config))
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settings = ChaindEthSettings(include_queue=True)
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settings.process(config)
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logg.debug('settings:\n{}'.format(settings))
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def process_outgoing(chain_spec, adapter, rpc, limit=50):
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adapter = None
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process_err = None
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adapter = ChaindFsAdapter(
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settings.get('CHAIN_SPEC'),
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settings.dir_for('queue'),
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EthCacheTx,
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dispatcher,
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)
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upcoming = adapter.upcoming(limit=limit)
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logg.info('processor has {} candidates for {}, processing with limit {} adapter {} rpc {}'.format(len(upcoming), chain_spec, limit, adapter, rpc))
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i = 0
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for tx_hash in upcoming:
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if adapter.dispatch(tx_hash):
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i += 1
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return i
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chain_spec = ChainSpec.from_chain_str(config.get('CHAIN_SPEC'))
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rpc = chainlib.eth.cli.Rpc()
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conn = rpc.connect_by_config(config)
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tx_normalizer = TxHexNormalizer().tx_hash
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token_cache_store = CacheTokenTx(chain_spec, normalizer=tx_normalizer)
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dispatcher = EthDispatcher(conn)
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queue_adapter = ChaindFsAdapter(
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settings.get('CHAIN_SPEC'),
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settings.dir_for('queue'),
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EthCacheTx,
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dispatcher,
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)
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ctrl = SessionController(settings, queue_adapter, process_outgoing)
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signal.signal(signal.SIGINT, ctrl.shutdown)
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signal.signal(signal.SIGTERM, ctrl.shutdown)
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logg.info('session id is ' + settings.get('SESSION_ID'))
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logg.info('session socket path is ' + settings.get('SESSION_SOCKET_PATH'))
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def main():
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while True:
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v = None
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client_socket = None
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try:
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(client_socket, v) = ctrl.get()
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except ClientGoneError:
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break
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except ClientBlockError:
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continue
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except ClientInputError:
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continue
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except NothingToDoError:
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pass
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if v == None:
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ctrl.process(conn)
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continue
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result_data = None
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r = 0 # no error
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try:
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result_data = queue_adapter.put(v.hex())
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except DuplicateTxError as e:
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logg.error('tx already exists: {}'.format(e))
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r = 1
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except ValueError as e:
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logg.error('adapter rejected input {}: "{}"'.format(v.hex(), e))
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continue
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if r == 0:
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queue_adapter.enqueue(result_data)
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ctrl.respond_put(client_socket, r, extra_data=result_data)
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if __name__ == '__main__':
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main()
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