33 lines
929 B
Python
33 lines
929 B
Python
# standard imports
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import logging
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# external imports
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from sqlalchemy.exc import (
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IntegrityError,
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)
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# local imports
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from chainqueue.sql.tx import create as queue_create
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from chainqueue.db.models.base import SessionBase
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logg = logging.getLogger(__name__)
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class SQLBackend:
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def __init__(self, conn_spec, *args, **kwargs):
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SessionBase.connect(conn_spec, pool_size=kwargs.get('poolsize', 0), debug=kwargs.get('debug', False))
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def create(self, chain_spec, nonce, holder_address, tx_hash, signed_tx, obsolete_predecessors=True, session=None):
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try:
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queue_create(chain_spec, nonce, holder_address, tx_hash, signed_tx, obsolete_predecessors=True, session=None)
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except IntegrityError as e:
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logg.warning('skipped possible duplicate insert {}'.format(e))
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return 1
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return 0
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def create_session(self):
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return SessionBase.create_session()
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