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