Remove server, eth specific code
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nolash
parent
3814a3613b
commit
6f4a0a6fc0
GPG Key ID:
21D2E7BB88C2A746
@ -1,57 +0,0 @@
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# external imports
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from chainlib.eth.constant import ZERO_ADDRESS
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from chainlib.eth.tx import (
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unpack,
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raw,
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)
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from hexathon import (
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add_0x,
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strip_0x,
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)
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# local imports
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from chainqueue.adapters.base import Adapter
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from chainqueue.enum import StatusBits
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class EthAdapter(Adapter):
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def translate(self, bytecode, chain_spec):
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tx = unpack(bytecode, chain_spec)
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tx['source_token'] = ZERO_ADDRESS
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tx['destination_token'] = ZERO_ADDRESS
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tx['from_value'] = tx['value']
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tx['to_value'] = tx['value']
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return tx
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def add(self, chain_spec, bytecode):
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tx = self.translate(bytecode, chain_spec)
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session = self.backend.create_session()
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r = self.backend.create(chain_spec, tx['nonce'], tx['from'], tx['hash'], add_0x(bytecode.hex()), session=session)
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if r:
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session.rollback()
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session.close()
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return r
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r = self.backend.cache(tx, session=session)
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session.commit()
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session.close()
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return r
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def cache(self, chain_spec):
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session = self.backend.create_session()
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r = self.backend.create(chain_spec, tx['nonce'], tx['from'], tx['hash'], add_0x(bytecode.hex()), session=session)
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session.close()
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def upcoming(self, chain_spec):
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return self.backend.get(chain_spec, StatusBits.QUEUED, unpack)
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def dispatch(self, chain_spec, rpc, tx_hash, signed_tx):
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o = raw(signed_tx)
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session = self.backend.create_session()
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r = self.backend.dispatch(chain_spec, rpc, tx_hash, o)
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session.close()
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return r
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@ -1,183 +0,0 @@
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import syslog
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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 confini
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from xdg.BaseDirectory import (
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xdg_data_dirs,
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get_runtime_dir,
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load_first_config,
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)
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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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# local imports
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from chainqueue.sql.backend import SQLBackend
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from chainqueue.db import dsn_from_config
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from chainqueue.adapters.eth import EthAdapter
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logging.basicConfig(level=logging.WARNING)
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logg = logging.getLogger()
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default_config_dir = load_first_config('chainqueue')
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config_dir = os.environ.get('CONFINI_DIR', default_config_dir)
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default_runtime_dir = os.path.join(get_runtime_dir(), 'chainqueue')
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default_data_dir = os.path.join(xdg_data_dirs[0], 'chainqueue')
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argparser = argparse.ArgumentParser('chainqueue transaction submission and trigger server')
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argparser.add_argument('-c', '--config', dest='c', type=str, default=config_dir, help='configuration directory')
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argparser.add_argument('-p', type=str, help='rpc endpoint')
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argparser.add_argument('-i', type=str, help='chain spec')
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argparser.add_argument('--runtime-dir', dest='runtime_dir', type=str, default=default_runtime_dir, help='runtime directory')
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argparser.add_argument('--data-dir', dest='data_dir', type=str, default=default_data_dir, help='data directory')
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argparser.add_argument('--session-id', dest='session_id', type=str, default=str(uuid.uuid4()), help='session id to use for session')
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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 very 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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# process config
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config = confini.Config(args.c)
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config.process()
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args_override = {
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'SESSION_RUNTIME_DIR': getattr(args, 'runtime_dir'),
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'SESSION_CHAIN_SPEC': getattr(args, 'i'),
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'RPC_ENDPOINT': getattr(args, 'p'),
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'PATH_DATA': getattr(args, 'data_dir'),
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}
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config.dict_override(args_override, 'cli args')
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config.add(getattr(args, 'session_id'), '_SESSION_ID', 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'), 'chainqueue.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('PATH_DATA'), config.get('DATABASE_NAME')), 'DATABASE_NAME', True)
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logg.debug('config loaded:\n{}'.format(config))
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# verify setup
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try:
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os.stat(config.get('DATABASE_NAME'))
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except FileNotFoundError:
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sys.stderr.write('database file {} not found. please run database migration script first'.format(config.get('DATABASE_NAME')))
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sys.exit(1)
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class SessionController:
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def __init__(self, config):
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self.dead = False
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os.makedirs(os.path.dirname(config.get('SESSION_SOCKET_PATH')), exist_ok=True)
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try:
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os.unlink(config.get('SESSION_SOCKET_PATH'))
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except FileNotFoundError:
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pass
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self.srv = socket.socket(family=socket.AF_UNIX, type=socket.SOCK_STREAM)
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self.srv.bind(config.get('SESSION_SOCKET_PATH'))
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self.srv.listen(2)
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self.srv.settimeout(4.0)
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def shutdown(self, signo, frame):
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if self.dead:
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return
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self.dead = True
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if signo != None:
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syslog.syslog('closing on {}'.format(signo))
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else:
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syslog.syslog('explicit shutdown')
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sockname = self.srv.getsockname()
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self.srv.close()
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try:
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os.unlink(sockname)
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except FileNotFoundError:
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logg.warning('socket file {} already gone'.format(sockname))
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def get_connection(self):
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return self.srv.accept()
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ctrl = SessionController(config)
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signal.signal(signal.SIGINT, ctrl.shutdown)
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signal.signal(signal.SIGTERM, ctrl.shutdown)
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chain_spec = ChainSpec.from_chain_str(config.get('SESSION_CHAIN_SPEC'))
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dsn = dsn_from_config(config)
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backend = SQLBackend(dsn, debug=config.true('DATABASE_DEBUG'))
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adapter = EthAdapter(backend)
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rpc = EthHTTPConnection(url=config.get('RPC_ENDPOINT'), chain_spec=chain_spec)
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if __name__ == '__main__':
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havesends = 0
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while True:
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srvs = None
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try:
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logg.debug('getting connection')
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(srvs, srvs_addr) = ctrl.get_connection()
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except OSError as e:
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havesends = 0
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try:
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fi = os.stat(config.get('SESSION_SOCKET_PATH'))
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except FileNotFoundError:
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logg.error('socket is gone')
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break
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if not stat.S_ISSOCK(fi.st_mode):
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logg.error('entity on socket path is not a socket')
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break
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if srvs == None:
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logg.debug('timeout (remote socket is none)')
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txs = adapter.upcoming(chain_spec)
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for k in txs.keys():
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havesends += 1
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logg.debug('txs {} {}'.format(k, txs[k]))
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adapter.dispatch(chain_spec, rpc, k, txs[k])
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if havesends > 0:
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ctrl.srv.settimeout(0.1)
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else:
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ctrl.srv.settimeout(4.0)
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continue
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ctrl.srv.settimeout(0.1)
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srvs.settimeout(0.1)
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data_in = None
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try:
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data_in = srvs.recv(1024)
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except BlockingIOError as e:
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logg.debug('block io error: {}'.format(e))
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continue
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data = None
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try:
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data_in_str = data_in.decode('utf-8')
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data = bytes.fromhex(strip_0x(data_in_str))
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except ValueError:
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logg.error('invalid input "{}"'.format(data_in_str))
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continue
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logg.debug('recv {} bytes'.format(len(data)))
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r = adapter.add(chain_spec, data)
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r = srvs.send(r.to_bytes(4, byteorder='big'))
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logg.debug('{} bytes sent'.format(r))
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srvs.close()
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ctrl.shutdown(None, None)
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