138 lines
4.3 KiB
Python
138 lines
4.3 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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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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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('--dispatch-delay', dest='dispatch_delay', type=float, help='socket timeout before processing queue')
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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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'dispatch_delay': 'SESSION_DISPATCH_DELAY',
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}
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config = chainlib.eth.cli.Config.from_args(args, arg_flags, extra_args=extra_args, base_config_dir=config_dir)
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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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logg.debug('config loaded:\n{}'.format(config))
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def process_outgoing(chain_spec, adapter, rpc, limit=100):
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upcoming = adapter.upcoming()
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logg.info('process {} {} {}'.format(chain_spec, adapter, rpc))
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logg.info('upcoming {}'.format(upcoming))
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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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chain_spec,
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config.get('SESSION_DATA_DIR'),
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EthCacheTx,
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dispatcher,
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)
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ctrl = SessionController(config, 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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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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