159 lines
5.6 KiB
Python
159 lines
5.6 KiB
Python
# standard imports
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import datetime
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# external imports
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import celery
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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.query
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from chainqueue.db.enum import (
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StatusEnum,
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is_alive,
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)
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from sqlalchemy import func
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from sqlalchemy import or_
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from chainqueue.db.models.tx import TxCache
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from chainqueue.db.models.otx import Otx
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# local imports
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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.db.models.lock import Lock
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from cic_eth.db.models.base import SessionBase
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celery_app = celery.current_app
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@celery_app.task(base=CriticalSQLAlchemyTask)
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def get_tx_cache(chain_spec_dict, tx_hash):
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chain_spec = ChainSpec.from_dict(chain_spec_dict)
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session = SessionBase.create_session()
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r = chainqueue.sql.query.get_tx_cache(chain_spec, tx_hash, session=session)
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session.close()
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return r
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@celery_app.task(base=CriticalSQLAlchemyTask)
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def get_tx(chain_spec_dict, tx_hash):
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chain_spec = ChainSpec.from_dict(chain_spec_dict)
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session = SessionBase.create_session()
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r = chainqueue.sql.query.get_tx(chain_spec, tx_hash, session=session)
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session.close()
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return r
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@celery_app.task(base=CriticalSQLAlchemyTask)
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def get_account_tx(chain_spec_dict, address, as_sender=True, as_recipient=True, counterpart=None):
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chain_spec = ChainSpec.from_dict(chain_spec_dict)
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session = SessionBase.create_session()
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r = chainqueue.sql.query.get_account_tx(chain_spec, address, as_sender=True, as_recipient=True, counterpart=None, session=session)
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session.close()
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return r
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@celery_app.task(base=CriticalSQLAlchemyTask)
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def get_upcoming_tx_nolock(chain_spec_dict, status=StatusEnum.READYSEND, not_status=None, recipient=None, before=None, limit=0, session=None):
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chain_spec = ChainSpec.from_dict(chain_spec_dict)
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session = SessionBase.create_session()
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r = chainqueue.sql.query.get_upcoming_tx(chain_spec, status, not_status=not_status, recipient=recipient, before=before, limit=limit, session=session, decoder=unpack)
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session.close()
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return r
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def get_status_tx(chain_spec, status, not_status=None, before=None, exact=False, limit=0, session=None):
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return chainqueue.sql.query.get_status_tx_cache(chain_spec, status, not_status=not_status, before=before, exact=exact, limit=limit, session=session, decoder=unpack)
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def get_paused_tx(chain_spec, status=None, sender=None, session=None, decoder=None):
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return chainqueue.sql.query.get_paused_tx_cache(chain_spec, status=status, sender=sender, session=session, decoder=unpack)
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def get_nonce_tx(chain_spec, nonce, sender):
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return get_nonce_tx_cache(chain_spec, nonce, sender, decoder=unpack)
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def get_upcoming_tx(chain_spec, status=StatusEnum.READYSEND, not_status=None, recipient=None, before=None, limit=0, session=None):
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"""Returns the next pending transaction, specifically the transaction with the lowest nonce, for every recipient that has pending transactions.
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Will omit addresses that have the LockEnum.SEND bit in Lock set.
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(TODO) Will not return any rows if LockEnum.SEND bit in Lock is set for zero address.
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:param status: Defines the status used to filter as upcoming.
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:type status: cic_eth.db.enum.StatusEnum
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:param recipient: Ethereum address of recipient to return transaction for
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:type recipient: str, 0x-hex
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:param before: Only return transactions if their modification date is older than the given timestamp
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:type before: datetime.datetime
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:param chain_id: Chain id to use to parse signed transaction data
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:type chain_id: number
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:raises ValueError: Status is finalized, sent or never attempted sent
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:returns: Transactions
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:rtype: dict, with transaction hash as key, signed raw transaction as value
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"""
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session = SessionBase.bind_session(session)
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q_outer = session.query(
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TxCache.sender,
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func.min(Otx.nonce).label('nonce'),
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)
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q_outer = q_outer.join(TxCache)
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q_outer = q_outer.join(Lock, isouter=True)
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q_outer = q_outer.filter(or_(Lock.flags==None, Lock.flags.op('&')(LockEnum.SEND.value)==0))
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if not is_alive(status):
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SessionBase.release_session(session)
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raise ValueError('not a valid non-final tx value: {}'.format(status))
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if status == StatusEnum.PENDING:
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q_outer = q_outer.filter(Otx.status==status.value)
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else:
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q_outer = q_outer.filter(Otx.status.op('&')(status)==status)
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if not_status != None:
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q_outer = q_outer.filter(Otx.status.op('&')(not_status)==0)
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if recipient != None:
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q_outer = q_outer.filter(TxCache.recipient==recipient)
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q_outer = q_outer.group_by(TxCache.sender)
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txs = {}
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i = 0
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for r in q_outer.all():
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q = session.query(Otx)
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q = q.join(TxCache)
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q = q.filter(TxCache.sender==r.sender)
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q = q.filter(Otx.nonce==r.nonce)
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if before != None:
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q = q.filter(TxCache.date_checked<before)
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q = q.order_by(TxCache.date_created.desc())
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o = q.first()
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# TODO: audit; should this be possible if a row is found in the initial query? If not, at a minimum log error.
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if o == None:
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continue
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tx_signed_bytes = bytes.fromhex(o.signed_tx)
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tx = unpack(tx_signed_bytes, chain_spec)
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txs[o.tx_hash] = o.signed_tx
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q = session.query(TxCache)
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q = q.filter(TxCache.otx_id==o.id)
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o = q.first()
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o.date_checked = datetime.datetime.now()
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session.add(o)
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session.commit()
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i += 1
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if limit > 0 and limit == i:
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break
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SessionBase.release_session(session)
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return txs
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