cic-stack/apps/cic-eth/cic_eth/task.py

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# import
import time
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import requests
import logging
import uuid
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# external imports
import celery
import sqlalchemy
from chainlib.eth.constant import ZERO_ADDRESS
from chainlib.eth.nonce import RPCNonceOracle
from chainlib.eth.gas import RPCGasOracle
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# local imports
from cic_eth.error import (
SignerError,
EthError,
)
from cic_eth.db.models.base import SessionBase
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logg = logging.getLogger(__name__)
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celery_app = celery.current_app
class BaseTask(celery.Task):
session_func = SessionBase.create_session
call_address = ZERO_ADDRESS
create_nonce_oracle = RPCNonceOracle
create_gas_oracle = RPCGasOracle
def create_session(self):
return BaseTask.session_func()
def log_banner(self):
logg.debug('task {} root uuid {}'.format(self.__class__.__name__, self.request.root_id))
return
class CriticalTask(BaseTask):
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retry_jitter = True
retry_backoff = True
retry_backoff_max = 8
class CriticalSQLAlchemyTask(CriticalTask):
autoretry_for = (
sqlalchemy.exc.DatabaseError,
sqlalchemy.exc.TimeoutError,
sqlalchemy.exc.ResourceClosedError,
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)
class CriticalWeb3Task(CriticalTask):
autoretry_for = (
requests.exceptions.ConnectionError,
)
safe_gas_threshold_amount = 2000000000 * 60000 * 3
safe_gas_refill_amount = safe_gas_threshold_amount * 5
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class CriticalSQLAlchemyAndWeb3Task(CriticalTask):
autoretry_for = (
sqlalchemy.exc.DatabaseError,
sqlalchemy.exc.TimeoutError,
requests.exceptions.ConnectionError,
sqlalchemy.exc.ResourceClosedError,
EthError,
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)
safe_gas_threshold_amount = 2000000000 * 60000 * 3
safe_gas_refill_amount = safe_gas_threshold_amount * 5
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class CriticalSQLAlchemyAndSignerTask(CriticalTask):
autoretry_for = (
sqlalchemy.exc.DatabaseError,
sqlalchemy.exc.TimeoutError,
sqlalchemy.exc.ResourceClosedError,
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SignerError,
)
class CriticalWeb3AndSignerTask(CriticalTask):
autoretry_for = (
requests.exceptions.ConnectionError,
SignerError,
)
safe_gas_threshold_amount = 2000000000 * 60000 * 3
safe_gas_refill_amount = safe_gas_threshold_amount * 5
@celery_app.task(bind=True, base=BaseTask)
def hello(self):
time.sleep(0.1)
return id(SessionBase.create_session)