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chaind-eth
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Implement error parser to rpc instantation

This commit is contained in:
nolash 2021-08-26 17:14:11 +02:00
parent fc69b2762b
commit 0c0d1fac8f
Signed by: lash
GPG Key ID: 21D2E7BB88C2A746
5 changed files with 140 additions and 41 deletions
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113
chaind_eth/runnable/retry.py Normal file
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@ -0,0 +1,113 @@
# SPDX-License-Identifier: GPL-3.0-or-later
# standard imports
import os
import logging
import sys
import datetime
# external imports
from hexathon import (
add_0x,
strip_0x,
)
from chaind import Environment
import chainlib.eth.cli
from chainlib.chain import ChainSpec
from chainqueue.db import dsn_from_config
from chainqueue.sql.backend import SQLBackend
from chainqueue.enum import StatusBits
from chaind.sql.session import SessionIndex
from chainqueue.adapters.eth import EthAdapter
from chainlib.eth.gas import price
from chainlib.eth.connection import EthHTTPConnection
from crypto_dev_signer.eth.transaction import EIP155Transaction
DEFAULT_GAS_FACTOR = 1.1
logging.basicConfig(level=logging.WARNING)
logg = logging.getLogger()
script_dir = os.path.dirname(os.path.realpath(__file__))
config_dir = os.path.join(script_dir, '..', 'data', 'config')
arg_flags = chainlib.eth.cli.argflag_std_write
argparser = chainlib.eth.cli.ArgumentParser(arg_flags)
argparser.add_argument('--backend', type=str, default='sql', help='Backend to use (currently only "sql")')
argparser.add_positional('session_id', required=False, type=str, help='Ethereum address of recipient')
args = argparser.parse_args()
extra_args = {
'backend': None,
'session_id': 'SESSION_ID',
}
env = Environment(domain='eth', env=os.environ)
config = chainlib.eth.cli.Config.from_args(args, arg_flags, extra_args=extra_args, base_config_dir=config_dir)
if config.get('SESSION_DATA_DIR') == None:
config.add(env.data_dir, 'SESSION_DATA_DIR', exists_ok=True)
chain_spec = ChainSpec.from_chain_str(config.get('CHAIN_SPEC'))
tx_getter = None
session_method = None
if config.get('_BACKEND') == 'sql':
from chainqueue.sql.query import get_tx_cache as tx_getter
from chainqueue.runnable.sql import setup_backend
from chainqueue.db.models.base import SessionBase
setup_backend(config, debug=config.true('DATABASE_DEBUG'))
session_method = SessionBase.create_session
else:
raise NotImplementedError('backend {} not implemented'.format(config.get('_BACKEND')))
if config.get('DATABASE_ENGINE') == 'sqlite':
config.add(os.path.join(config.get('SESSION_DATA_DIR'), config.get('DATABASE_NAME') + '.sqlite'), 'DATABASE_NAME', exists_ok=True)
wallet = chainlib.eth.cli.Wallet()
wallet.from_config(config)
rpc = chainlib.eth.cli.Rpc(wallet=wallet)
conn = rpc.connect_by_config(config)
dsn = dsn_from_config(config)
backend = SQLBackend(dsn, debug=config.true('DATABASE_DEBUG'), error_parser=rpc.error_parser)
session_index_backend = SessionIndex(config.get('SESSION_ID'))
adapter = EthAdapter(backend, session_index_backend=session_index_backend)
def main():
before = datetime.datetime.utcnow() - adapter.pending_retry_threshold
txs = session_index_backend.get(chain_spec, adapter, status=StatusBits.IN_NETWORK, not_status=StatusBits.FINAL | StatusBits.OBSOLETE, before=before)
o = price()
r = conn.do(o, error_parser=rpc.error_parser)
gas_price = strip_0x(r)
try:
gas_price = int(gas_price, 16)
except ValueError:
gas_price = int(gas_price)
logg.info('got current gas price {}'.format(gas_price))
signer = rpc.get_signer()
db_session = adapter.create_session()
for tx_hash in txs:
tx_bytes = bytes.fromhex(strip_0x(txs[tx_hash]))
tx = adapter.translate(tx_bytes, chain_spec)
tx_gas_price = int(tx['gasPrice'])
if tx_gas_price < gas_price:
tx['gasPrice'] = gas_price
else:
tx['gasPrice'] = int(tx['gasPrice'] * DEFAULT_GAS_FACTOR)
tx_obj = EIP155Transaction(tx, tx['nonce'], chain_spec.chain_id())
new_tx_bytes = signer.sign_transaction_to_wire(tx_obj)
logg.debug('add tx {} with gas price changed from {} to {}: {}'.format(tx_hash, tx_gas_price, tx['gasPrice'], new_tx_bytes.hex()))
adapter.add(new_tx_bytes, chain_spec, session=db_session)
db_session.close()
if __name__ == '__main__':
main()

33
chaind_eth/runnable/server.py
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@ -17,6 +17,7 @@ from chainlib.eth.connection import EthHTTPConnection
from chainqueue.sql.backend import SQLBackend
from chainlib.error import JSONRPCException
from chainqueue.db import dsn_from_config
from chaind.sql.session import SessionIndex
# local imports
from chaind_eth.dispatch import Dispatcher
@ -59,7 +60,7 @@ if not config.get('SESSION_SOCKET_PATH'):
if config.get('DATABASE_ENGINE') == 'sqlite':
#config.add(os.path.join(config.get('SESSION_DATA_DIR'), config.get('DATABASE_NAME') + '.sqlite'), 'DATABASE_NAME', exists_ok=True)
config.add(os.path.join(config.get('SESSION_DATA_DIR'), config.get('DATABASE_NAME')), 'DATABASE_NAME', exists_ok=True)
config.add(os.path.join(config.get('SESSION_DATA_DIR'), config.get('DATABASE_NAME') + '.sqlite'), 'DATABASE_NAME', exists_ok=True)
config.censor('PASSWORD', 'DATABASE')
logg.debug('config loaded:\n{}'.format(config))
@ -116,10 +117,14 @@ signal.signal(signal.SIGTERM, ctrl.shutdown)
chain_spec = ChainSpec.from_chain_str(config.get('CHAIN_SPEC'))
rpc = chainlib.eth.cli.Rpc()
conn = rpc.connect_by_config(config)
logg.debug('error {}'.format(rpc.error_parser))
dsn = dsn_from_config(config)
backend = SQLBackend(dsn, debug=config.true('DATABASE_DEBUG'))
adapter = EthAdapter(backend)
rpc = EthHTTPConnection(url=config.get('RPC_HTTP_PROVIDER'), chain_spec=chain_spec)
backend = SQLBackend(dsn, error_parser=rpc.error_parser, debug=config.true('DATABASE_DEBUG'))
session_index_backend = SessionIndex(config.get('SESSION_ID'))
adapter = EthAdapter(backend, session_index_backend=session_index_backend)
def process_outgoing(chain_spec, adapter, rpc):
@ -148,7 +153,7 @@ def main():
break
if srvs == None:
logg.debug('timeout (remote socket is none)')
r = process_outgoing(chain_spec, adapter, rpc)
r = process_outgoing(chain_spec, adapter, conn)
if r > 0:
ctrl.srv.settimeout(0.1)
else:
@ -174,15 +179,21 @@ def main():
logg.debug('recv {} bytes'.format(len(data)))
session = backend.create_session()
tx_hash = None
try:
r = adapter.add(data, chain_spec, session=session)
try:
r = srvs.send(r.to_bytes(4, byteorder='big'))
logg.debug('{} bytes sent'.format(r))
except BrokenPipeError:
logg.debug('they just hung up. how rude.')
tx_hash = adapter.add(data, chain_spec, session=session)
except ValueError as e:
logg.error('invalid input: {}'.format(e))
r = 1
if tx_hash != None:
session.commit()
r = 0
try:
r = srvs.send(r.to_bytes(4, byteorder='big'))
logg.debug('{} bytes sent'.format(r))
except BrokenPipeError:
logg.debug('they just hung up. how rude.')
session.close()
srvs.close()

31
chainqueue/adapters/eth.py
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@ -1,6 +1,5 @@
# standard imports
import logging
import datetime
# external imports
from chainlib.eth.constant import ZERO_ADDRESS
@ -12,18 +11,15 @@ from hexathon import (
add_0x,
strip_0x,
)
from chainqueue.enum import (
StatusBits,
errors as queue_errors,
)
# local imports
from chainqueue.adapters.base import Adapter
from chainqueue.adapters.sessionindex import SessionIndexAdapter
logg = logging.getLogger(__name__)
class EthAdapter(Adapter):
class EthAdapter(SessionIndexAdapter):
def translate(self, bytecode, chain_spec):
logg.debug('bytecode {}'.format(bytecode))
@ -41,27 +37,6 @@ class EthAdapter(Adapter):
return r
def upcoming(self, chain_spec, session=None):
txs = self.backend.get(chain_spec, self.translate, session=session, status=StatusBits.QUEUED, not_status=StatusBits.IN_NETWORK)
before = datetime.datetime.utcnow() - self.error_retry_threshold
errored_txs = self.backend.get(chain_spec, self.translate, session=session, status=StatusBits.LOCAL_ERROR, not_status=StatusBits.FINAL, before=before, requeue=True)
for tx_hash in errored_txs.keys():
txs[tx_hash] = errored_txs[tx_hash]
return txs
def add(self, bytecode, chain_spec, session=None):
tx = self.translate(bytecode, chain_spec)
r = self.backend.create(chain_spec, tx['nonce'], tx['from'], tx['hash'], add_0x(bytecode.hex()), session=session)
if r:
session.rollback()
session.close()
return r
r = self.backend.cache(tx, session=session)
session.commit()
return r
# def cache(self, chain_spec):
# session = self.backend.create_session()
# r = self.backend.create(chain_spec, tx['nonce'], tx['from'], tx['hash'], add_0x(bytecode.hex()), session=session)

2
requirements.txt
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@ -1,3 +1,3 @@
chaind<=0.0.2,>=0.0.2a3
chaind<=0.0.3,>=0.0.3a1
hexathon~=0.0.1a8
chainlib-eth<=0.1.0,>=0.0.9a4

2
setup.cfg
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@ -1,6 +1,6 @@
[metadata]
name = chaind-eth
version = 0.0.2a1
version = 0.0.3a1
description = Queue server for ethereum
author = Louis Holbrook
author_email = dev@holbrook.no