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chainqueue
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Accept external db sessions in methods

This commit is contained in:
nolash 2021-04-03 00:17:05 +02:00
parent 73f097f2be
commit 6271cd5d3d
Signed by: lash
GPG Key ID: 21D2E7BB88C2A746
4 changed files with 64 additions and 65 deletions
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9
chainqueue/db/models/tx.py
View File

@ -91,20 +91,19 @@ class TxCache(SessionBase):
q = session.query(TxCache)
q = q.join(Otx)
q = q.filter(Otx.tx_hash==tx_hash_original)
q = q.filter(Otx.tx_hash==strip_0x(tx_hash_original))
txc = q.first()
if txc == None:
SessionBase.release_session(session)
raise NotLocalTxError('original {}'.format(tx_hash_original))
if txc.block_number != None:
if txc.tx_index != None:
SessionBase.release_session(session)
raise TxStateChangeError('cannot clone tx cache of confirmed tx {}'.format(tx_hash_original))
session.flush()
q = session.query(Otx)
q = q.filter(Otx.tx_hash==tx_hash_new)
otx = q.first()
otx = Otx.load(tx_hash_new, session=session)
if otx == None:
SessionBase.release_session(session)

29
chainqueue/query.py
View File

@ -28,7 +28,7 @@ from chainqueue.error import (
logg = logging.getLogger().getChild(__name__)
def get_tx_cache(chain_spec, tx_hash):
def get_tx_cache(chain_spec, tx_hash, session=None):
"""Returns an aggregate dictionary of outgoing transaction data and metadata
:param tx_hash: Transaction hash of record to modify
@ -37,11 +37,11 @@ def get_tx_cache(chain_spec, tx_hash):
:returns: Transaction data
:rtype: dict
"""
session = SessionBase.create_session()
session = SessionBase.bind_session(session)
otx = Otx.load(tx_hash, session=session)
if otx == None:
session.close()
SessionBase.release_session(session)
raise NotLocalTxError(tx_hash)
session.flush()
@ -50,7 +50,7 @@ def get_tx_cache(chain_spec, tx_hash):
q = q.filter(TxCache.otx_id==otx.id)
txc = q.first()
session.close()
SessionBase.release_session(session)
# TODO: DRY, get_tx_cache / get_tx
tx = {
@ -75,7 +75,7 @@ def get_tx_cache(chain_spec, tx_hash):
return tx
def get_tx(chain_spec, tx_hash):
def get_tx(chain_spec, tx_hash, session=None):
"""Retrieve a transaction queue record by transaction hash
:param tx_hash: Transaction hash of record to modify
@ -84,10 +84,10 @@ def get_tx(chain_spec, tx_hash):
:returns: nonce, address and signed_tx (raw signed transaction)
:rtype: dict
"""
session = SessionBase.create_session()
session = SessionBase.bind_session(session)
otx = Otx.load(tx_hash, session=session)
if otx == None:
session.close()
SessionBase.release_session(session)
raise NotLocalTxError('queue does not contain tx hash {}'.format(tx_hash))
o = {
@ -97,11 +97,11 @@ def get_tx(chain_spec, tx_hash):
'status': otx.status,
}
logg.debug('get tx {}'.format(o))
session.close()
SessionBase.release_session(session)
return o
def get_nonce_tx_cache(chain_spec, nonce, sender, decoder=None):
def get_nonce_tx_cache(chain_spec, nonce, sender, decoder=None, session=None):
"""Retrieve all transactions for address with specified nonce
:param nonce: Nonce
@ -113,7 +113,7 @@ def get_nonce_tx_cache(chain_spec, nonce, sender, decoder=None):
"""
chain_id = chain_spec.chain_id()
session = SessionBase.create_session()
session = SessionBase.bind_session(session)
q = session.query(Otx)
q = q.join(TxCache)
q = q.filter(TxCache.sender==sender)
@ -128,7 +128,7 @@ def get_nonce_tx_cache(chain_spec, nonce, sender, decoder=None):
raise IntegrityError('Cache sender {} does not match sender in tx {} using decoder {}'.format(sender, r.tx_hash, str(decoder)))
txs[r.tx_hash] = r.signed_tx
session.close()
SessionBase.release_session(session)
return txs
@ -297,7 +297,7 @@ def get_upcoming_tx(chain_spec, status=StatusEnum.READYSEND, not_status=None, re
return txs
def get_account_tx(chain_spec, address, as_sender=True, as_recipient=True, counterpart=None):
def get_account_tx(chain_spec, address, as_sender=True, as_recipient=True, counterpart=None, session=None):
"""Returns all local queue transactions for a given Ethereum address
:param address: Ethereum address
@ -317,7 +317,7 @@ def get_account_tx(chain_spec, address, as_sender=True, as_recipient=True, count
txs = {}
session = SessionBase.create_session()
session = SessionBase.bind_session(session)
q = session.query(Otx)
q = q.join(TxCache)
if as_sender and as_recipient:
@ -334,6 +334,7 @@ def get_account_tx(chain_spec, address, as_sender=True, as_recipient=True, count
logg.debug('tx {} already recorded'.format(r.tx_hash))
continue
txs[r.tx_hash] = r.signed_tx
session.close()
SessionBase.release_session(session)
return txs

89
chainqueue/state.py
View File

@ -22,7 +22,7 @@ from chainqueue.error import (
logg = logging.getLogger().getChild(__name__)
def set_sent(tx_hash, fail=False):
def set_sent(chain_spec, tx_hash, fail=False, session=None):
"""Used to set the status after a send attempt
:param tx_hash: Transaction hash of record to modify
@ -33,11 +33,11 @@ def set_sent(tx_hash, fail=False):
:returns: True if tx is known, False otherwise
:rtype: boolean
"""
session = SessionBase.create_session()
session = SessionBase.bind_session(session)
o = Otx.load(tx_hash, session=session)
if o == None:
logg.warning('not local tx, skipping {}'.format(tx_hash))
session.close()
SessionBase.release_session(session)
return False
try:
@ -47,21 +47,21 @@ def set_sent(tx_hash, fail=False):
o.sent(session=session)
except TxStateChangeError as e:
logg.exception('set sent fail: {}'.format(e))
session.close()
SessionBase.release_session(session)
raise(e)
except Exception as e:
logg.exception('set sent UNEXPECED fail: {}'.format(e))
session.close()
SessionBase.release_session(session)
raise(e)
session.commit()
session.close()
SessionBase.release_session(session)
return tx_hash
def set_final(tx_hash, block=None, fail=False):
def set_final(chain_spec, tx_hash, block=None, fail=False, session=None):
"""Used to set the status of an incoming transaction result.
:param tx_hash: Transaction hash of record to modify
@ -72,11 +72,11 @@ def set_final(tx_hash, block=None, fail=False):
:type fail: boolean
:raises NotLocalTxError: If transaction not found in queue.
"""
session = SessionBase.create_session()
session = SessionBase.bind_session(session)
o = Otx.load(tx_hash, session=session)
if o == None:
session.close()
SessionBase.release_session(session)
raise NotLocalTxError('queue does not contain tx hash {}'.format(tx_hash))
session.flush()
@ -89,11 +89,11 @@ def set_final(tx_hash, block=None, fail=False):
session.commit()
except TxStateChangeError as e:
logg.exception('set final fail: {}'.format(e))
session.close()
SessionBase.release_session(session)
raise(e)
except Exception as e:
logg.exception('set final UNEXPECTED fail: {}'.format(e))
session.close()
SessionBase.release_session(session)
raise(e)
q = session.query(TxCache)
@ -101,12 +101,12 @@ def set_final(tx_hash, block=None, fail=False):
q = q.filter(Otx.tx_hash==strip_0x(tx_hash))
o = q.first()
session.close()
SessionBase.release_session(session)
return tx_hash
def set_cancel(tx_hash, manual=False):
def set_cancel(chain_spec, tx_hash, manual=False, session=None):
"""Used to set the status when a transaction is cancelled.
Will set the state to CANCELLED or OVERRIDDEN
@ -118,10 +118,10 @@ def set_cancel(tx_hash, manual=False):
:raises NotLocalTxError: If transaction not found in queue.
"""
session = SessionBase.create_session()
session = SessionBase.bind_session(session)
o = Otx.load(tx_hash, session=session)
if o == None:
session.close()
SessionBase.release_session(session)
raise NotLocalTxError('queue does not contain tx hash {}'.format(tx_hash))
session.flush()
@ -136,12 +136,12 @@ def set_cancel(tx_hash, manual=False):
logg.exception('set cancel fail: {}'.format(e))
except Exception as e:
logg.exception('set cancel UNEXPECTED fail: {}'.format(e))
session.close()
SessionBase.release_session(session)
return tx_hash
def set_rejected(tx_hash):
def set_rejected(chain_spec, tx_hash, session=None):
"""Used to set the status when the node rejects sending a transaction to network
Will set the state to REJECTED
@ -151,22 +151,22 @@ def set_rejected(tx_hash):
:raises NotLocalTxError: If transaction not found in queue.
"""
session = SessionBase.create_session()
session = SessionBase.bind_session(session)
o = Otx.load(tx_hash, session=session)
if o == None:
session.close()
SessionBase.release_session(session)
raise NotLocalTxError('queue does not contain tx hash {}'.format(tx_hash))
session.flush()
o.reject(session=session)
session.commit()
session.close()
SessionBase.release_session(session)
return tx_hash
def set_fubar(tx_hash):
def set_fubar(chain_spec, tx_hash, session=None):
"""Used to set the status when an unexpected error occurs.
Will set the state to FUBAR
@ -176,22 +176,22 @@ def set_fubar(tx_hash):
:raises NotLocalTxError: If transaction not found in queue.
"""
session = SessionBase.create_session()
session = SessionBase.bind_session(session)
o = Otx.load(tx_hash, session=session)
if o == None:
session.close()
SessionBase.release_session(session)
raise NotLocalTxError('queue does not contain tx hash {}'.format(tx_hash))
session.flush()
o.fubar(session=session)
session.commit()
session.close()
SessionBase.release_session(session)
return tx_hash
def set_manual(tx_hash):
def set_manual(chain_spec, tx_hash, session=None):
"""Used to set the status when queue is manually changed
Will set the state to MANUAL
@ -201,32 +201,32 @@ def set_manual(tx_hash):
:raises NotLocalTxError: If transaction not found in queue.
"""
session = SessionBase.create_session()
session = SessionBase.bind_session(session)
o = Otx.load(tx_hash, session=session)
if o == None:
session.close()
SessionBase.release_session(session)
raise NotLocalTxError('queue does not contain tx hash {}'.format(tx_hash))
session.flush()
o.manual(session=session)
session.commit()
session.close()
SessionBase.release_session(session)
return tx_hash
def set_ready(tx_hash):
def set_ready(chain_spec, tx_hash, session=None):
"""Used to mark a transaction as ready to be sent to network
:param tx_hash: Transaction hash of record to modify
:type tx_hash: str, 0x-hex
:raises NotLocalTxError: If transaction not found in queue.
"""
session = SessionBase.create_session()
session = SessionBase.bind_session(session)
o = Otx.load(tx_hash, session=session)
if o == None:
session.close()
SessionBase.release_session(session)
raise NotLocalTxError('queue does not contain tx hash {}'.format(tx_hash))
session.flush()
@ -236,29 +236,29 @@ def set_ready(tx_hash):
o.retry(session=session)
session.commit()
session.close()
SessionBase.release_session(session)
return tx_hash
def set_reserved(tx_hash):
session = SessionBase.create_session()
def set_reserved(chain_spec, tx_hash, session=None):
session = SessionBase.bind_session(session)
o = Otx.load(tx_hash, session=session)
if o == None:
session.close()
SessionBase.release_session(session)
raise NotLocalTxError('queue does not contain tx hash {}'.format(tx_hash))
session.flush()
o.reserve(session=session)
session.commit()
session.close()
SessionBase.release_session(session)
return tx_hash
def set_waitforgas(tx_hash):
def set_waitforgas(chain_spec, tx_hash, session=None):
"""Used to set the status when a transaction must be deferred due to gas refill
Will set the state to WAITFORGAS
@ -267,27 +267,26 @@ def set_waitforgas(tx_hash):
:type tx_hash: str, 0x-hex
:raises NotLocalTxError: If transaction not found in queue.
"""
session = SessionBase.create_session()
session = SessionBase.bind_session(session)
o = Otx.load(tx_hash, session=session)
if o == None:
session.close()
SessionBase.release_session(session)
raise NotLocalTxError('queue does not contain tx hash {}'.format(tx_hash))
session.flush()
o.waitforgas(session=session)
session.commit()
session.close()
SessionBase.release_session(session)
return tx_hash
def get_state_log(tx_hash):
def get_state_log(chain_spec, tx_hash, session=None):
logs = []
session = SessionBase.create_session()
session = SessionBase.bind_session(session)
q = session.query(OtxStateLog)
q = q.join(Otx)
@ -296,13 +295,13 @@ def get_state_log(tx_hash):
for l in q.all():
logs.append((l.date, l.status,))
session.close()
SessionBase.release_session(session)
return logs
def cancel_obsoletes_by_cache(tx_hash):
def cancel_obsoletes_by_cache(chain_spec, tx_hash):
session = SessionBase.create_session()
q = session.query(
Otx.nonce.label('nonce'),

2
tests/test_otx_status_log.py
View File

@ -24,7 +24,7 @@ class TestOtxState(TestOtxBase):
set_sent(self.tx_hash)
set_final(self.tx_hash, block=1042)
state_log = get_state_log(self.tx_hash)
state_log = get_state_log(self.chain_spec, self.tx_hash)
self.assertEqual(state_log[0][1], StatusEnum.READYSEND)
self.assertEqual(state_log[1][1], StatusEnum.RESERVED)
self.assertEqual(state_log[2][1], StatusEnum.SENT)