4 Commits

Author SHA1 Message Date
lash
5459d4c3f8 Upgrade deps 2022-05-04 18:22:29 +00:00
lash
3e05717395 Add error line for rpc fails in dispatch 2022-05-04 06:44:40 +00:00
lash
54d10ee40b Upgrade chainqueue 2022-05-04 05:43:39 +00:00
lash
9cffdc5867 Factor out dispatch processor from chain implementation 2022-05-04 05:38:01 +00:00
9 changed files with 56 additions and 15 deletions

View File

@@ -1,3 +1,11 @@
- 0.2.7
* Upgrade chainlib
- 0.2.6
* Deps upgrade
- 0.2.5
* Deps upgrade
- 0.2.4
* Allow omission of state store sync in queue store backend
- 0.2.2
* Fix missing symbol crashes related to race conditions
- 0.2.1

View File

@@ -13,13 +13,13 @@ logg = logging.getLogger(__name__)
class ChaindAdapter:
def __init__(self, chain_spec, state_store, index_store, counter_store, cache_adapter, dispatcher, cache=None, pending_retry_threshold=0, error_retry_threshold=0):
def __init__(self, chain_spec, state_store, index_store, counter_store, cache_adapter, dispatcher, cache=None, pending_retry_threshold=0, error_retry_threshold=0, store_sync=True):
self.cache_adapter = cache_adapter
self.dispatcher = dispatcher
store_lock = StoreLock()
while True:
try:
self.store = QueueStore(chain_spec, state_store, index_store, counter_store, cache=cache)
self.store = QueueStore(chain_spec, state_store, index_store, counter_store, cache=cache, sync=store_sync)
break
except FileNotFoundError as e:
logg.debug('queuestore instantiation failed, possible race condition (will try again): {}'.format(e))

View File

@@ -26,13 +26,13 @@ logg = logging.getLogger(__name__)
class ChaindFsAdapter(ChaindAdapter):
def __init__(self, chain_spec, path, cache_adapter, dispatcher, cache=None, pending_retry_threshold=0, error_retry_threshold=0, digest_bytes=32, event_callback=None):
def __init__(self, chain_spec, path, cache_adapter, dispatcher, cache=None, pending_retry_threshold=0, error_retry_threshold=0, digest_bytes=32, event_callback=None, store_sync=True):
factory = SimpleFileStoreFactory(path, use_lock=True).add
state_store = Status(factory, allow_invalid=True, event_callback=event_callback)
index_path = os.path.join(path, 'tx')
index_store = IndexStore(index_path, digest_bytes=digest_bytes)
counter_store = CounterStore(path)
super(ChaindFsAdapter, self).__init__(chain_spec, state_store, index_store, counter_store, cache_adapter, dispatcher, cache=cache, pending_retry_threshold=pending_retry_threshold, error_retry_threshold=error_retry_threshold)
super(ChaindFsAdapter, self).__init__(chain_spec, state_store, index_store, counter_store, cache_adapter, dispatcher, cache=cache, pending_retry_threshold=pending_retry_threshold, error_retry_threshold=error_retry_threshold, store_sync=store_sync)
def put(self, signed_tx):
@@ -51,11 +51,11 @@ class ChaindFsAdapter(ChaindAdapter):
logg.error('I am just a simple syncer and do not know how to handle the state which the tx {} is in: {}'.format(tx_hash, e))
return None
except FileNotFoundError as e:
logg.debug('queuestore get {} failed, possible race condition (will try again): {}'.format(tx_hash, e))
logg.debug('queuestore get (file missing) {} failed, possible race condition (will try again): {}'.format(tx_hash, e))
store_lock.again()
continue
except StateLockedKey as e:
logg.debug('queuestore get {} failed, possible race condition (will try again): {}'.format(tx_hash, e))
logg.debug('queuestore get (statelock) {} failed, possible race condition (will try again): {}'.format(tx_hash, e))
store_lock.again()
continue
@@ -135,7 +135,8 @@ class ChaindFsAdapter(ChaindAdapter):
r = None
try:
r = self.dispatcher.send(tx_wire)
except RPCException:
except RPCException as e:
logg.error('dispatch send failed for {}: {}'.format(tx_hash, e))
self.store.fail(tx_hash)
return False

33
chaind/dispatch.py Normal file
View File

@@ -0,0 +1,33 @@
# standard imports
import logging
# local ipmorts
from chaind.adapters.fs import ChaindFsAdapter
from chaind.eth.cache import EthCacheTx
logg = logging.getLogger(__name__)
class DispatchProcessor:
def __init__(self, chain_spec, queue_dir, dispatcher):
self.dispatcher = dispatcher
self.chain_spec = chain_spec,
self.queue_dir = queue_dir
def process(self, rpc, limit=50):
adapter = ChaindFsAdapter(
self.chain_spec,
self.queue_dir,
EthCacheTx,
self.dispatcher,
)
upcoming = adapter.upcoming(limit=limit)
logg.info('processor has {} candidates for {}, processing with limit {}'.format(len(upcoming), self.chain_spec, limit))
i = 0
for tx_hash in upcoming:
if adapter.dispatch(tx_hash):
i += 1
return i

View File

@@ -54,7 +54,7 @@ class StateFilter(SyncFilter):
logg.debug('skipping not local transaction {}'.format(tx.hash))
return False
except BackendError as e:
logg.error('adapter instantiation failed: {}, one more try'.format(e))
logg.error('adapter get failed: {}, one more try'.format(e))
queue_adapter = None
store_lock.again()
continue

View File

@@ -5,7 +5,7 @@ import time
from .error import BackendError
BASE_DELAY = 0.01
BASE_DELAY_LIMIT = 3.0
BASE_DELAY_LIMIT = 10.0
class StoreLock:

View File

@@ -22,7 +22,7 @@ logg = logging.getLogger(__name__)
class SessionController:
def __init__(self, config, adapter, processor):
def __init__(self, config, processor):
self.dead = False
os.makedirs(os.path.dirname(config.get('SESSION_SOCKET_PATH')), exist_ok=True)
try:
@@ -37,7 +37,6 @@ class SessionController:
self.srv.settimeout(float(config.get('SESSION_DISPATCH_DELAY')))
self.processor = processor
self.chain_spec = config.get('CHAIN_SPEC')
self.adapter = adapter
def shutdown(self, signo, frame):
@@ -65,7 +64,7 @@ class SessionController:
r = None
while True:
try:
r = self.processor(self.chain_spec, self.adapter, conn)
r = self.processor(conn)
break
except BackendError as e:
state_lock.again(e)

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@@ -1,5 +1,5 @@
chainlib~=0.1.1
chainqueue~=0.1.9
chainlib~=0.1.2
chainqueue~=0.1.11
chainsyncer~=0.4.3
confini~=0.6.0
funga~=0.5.2

View File

@@ -1,6 +1,6 @@
[metadata]
name = chaind
version = 0.2.3
version = 0.2.7
description = Base package for chain queue service
author = Louis Holbrook
author_email = dev@holbrook.no