cic-internal-integration/apps/cic-eth/cic_eth/queue/tx.py

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# standard imports
import logging
import time
import datetime
# external imports
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import celery
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from chainqueue.db.models.otx import Otx
from chainqueue.db.models.otx import OtxStateLog
from chainqueue.db.models.tx import TxCache
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from hexathon import strip_0x
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from sqlalchemy import or_
from sqlalchemy import not_
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from sqlalchemy import tuple_
from sqlalchemy import func
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from chainlib.chain import ChainSpec
from chainlib.eth.tx import unpack
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import chainqueue.sql.state
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from chainqueue.db.enum import (
StatusEnum,
StatusBits,
is_alive,
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dead,
)
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from chainqueue.sql.tx import create
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from chainqueue.error import NotLocalTxError
from chainqueue.db.enum import status_str
# local imports
from cic_eth.db.models.lock import Lock
from cic_eth.db import SessionBase
from cic_eth.db.enum import LockEnum
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from cic_eth.task import CriticalSQLAlchemyTask
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from cic_eth.error import LockedError
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from cic_eth.encode import tx_normalize
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celery_app = celery.current_app
logg = logging.getLogger()
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def queue_create(chain_spec, nonce, holder_address, tx_hash, signed_tx, session=None):
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tx_hash = tx_normalize.tx_hash(tx_hash)
signed_tx = tx_normalize.tx_hash(signed_tx)
holder_address = tx_normalize.wallet_address(holder_address)
session = SessionBase.bind_session(session)
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lock = Lock.check_aggregate(str(chain_spec), LockEnum.QUEUE, holder_address, session=session)
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if lock > 0:
SessionBase.release_session(session)
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raise LockedError(lock)
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tx_hash = create(chain_spec, nonce, holder_address, tx_hash, signed_tx, chain_spec, session=session)
SessionBase.release_session(session)
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return tx_hash
def register_tx(tx_hash_hex, tx_signed_raw_hex, chain_spec, queue, cache_task=None, session=None):
"""Signs the provided transaction, and adds it to the transaction queue cache (with status PENDING).
:param tx: Standard ethereum transaction data
:type tx: dict
:param chain_spec: Chain spec of transaction to add to queue
:type chain_spec: chainlib.chain.ChainSpec
:param queue: Task queue
:type queue: str
:param cache_task: Cache task to call with signed transaction. If None, no task will be called.
:type cache_task: str
:raises: sqlalchemy.exc.DatabaseError
:returns: Tuple; Transaction hash, signed raw transaction data
:rtype: tuple
"""
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tx_hash_hex = tx_normalize.tx_hash(tx_hash_hex)
tx_signed_raw_hex = tx_normalize.tx_hash(tx_signed_raw_hex)
logg.debug('adding queue tx {}:{} -> {}'.format(chain_spec, tx_hash_hex, tx_signed_raw_hex))
tx_signed_raw = bytes.fromhex(strip_0x(tx_signed_raw_hex))
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tx = unpack(tx_signed_raw, chain_spec)
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tx_hash = queue_create(
chain_spec,
tx['nonce'],
tx['from'],
tx_hash_hex,
tx_signed_raw_hex,
session=session,
)
if cache_task != None:
logg.debug('adding cache task {} tx {}'.format(cache_task, tx_hash_hex))
s_cache = celery.signature(
cache_task,
[
tx_hash_hex,
tx_signed_raw_hex,
chain_spec.asdict(),
],
queue=queue,
)
s_cache.apply_async()