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dev-0.4.10
...
master
19
CHANGELOG
19
CHANGELOG
@ -1,22 +1,3 @@
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* 0.4.8
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- Add unlock action description to info loglevel for unlock tool
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* 0.4.7
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- Upgrade shep to avoid sync in persist set
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* 0.4.6
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- Upgrade shep to handle filesystem list exception
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* 0.4.5
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- Upgrade chainlib
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- Upgrade shep to guarantee atomic state locks
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* 0.4.4
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- Reinstate tx index bump in sync state on filter execution complete
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* 0.4.3
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- Refactor lock code, move into module from runnable script
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* 0.4.2
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- Same as 0.4.1
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* 0.4.1
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- Correct runnable entry in setup
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* 0.4.0
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- Refactor on shep
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* 0.3.7
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- Remove hard eth dependency in settings rendering
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- Add unlock cli tool
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@ -7,7 +7,6 @@ def process_flags(argparser, flags):
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if flags & SyncFlag.RANGE > 0:
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argparser.add_argument('--offset', type=int, help='Block to start sync from. Default is start of history (0).')
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argparser.add_argument('--until', type=int, default=-1, help='Block to stop sync on. Default is stop at block height of first run.')
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argparser.add_argument('--single', action='store_true', help='Execute a single sync, regardless of previous states')
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if flags & SyncFlag.HEAD > 0:
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argparser.add_argument('--head', action='store_true', help='Start from latest block as offset')
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argparser.add_argument('--keep-alive', action='store_true', help='Do not stop syncing when caught up')
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@ -17,6 +17,4 @@ def process_config(config, args, flags):
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config.add(getattr(args, 'keep_alive'), '_KEEP_ALIVE')
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config.add(getattr(args, 'head'), '_HEAD')
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config.add(getattr(args, 'single'), '_SINGLE')
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return config
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@ -31,25 +31,16 @@ class LockError(Exception):
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class FilterDone(Exception):
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"""Exception raised when all registered filters have been executed
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"""
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pass
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class InterruptError(FilterDone):
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"""Exception for interrupting or attempting to use an interrupted sync
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"""
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pass
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class IncompleteFilterError(Exception):
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"""Exception raised if filter reset is executed prematurely
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"""
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pass
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class FilterInitializationError(BackendError):
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"""Exception raised if filter state does not match the registered filters
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"""
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pass
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#class AbortTx(Exception):
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# """
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@ -97,6 +97,7 @@ class FilterState:
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if self.scan != None:
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ks = self.scan()
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for v in ks: #os.listdir(self.scan_path):
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logg.debug('ks {}'.format(v))
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k = None
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try:
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k = self.state_store.from_elements(v)
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1
chainsyncer/paths.py
Normal file
1
chainsyncer/paths.py
Normal file
@ -0,0 +1 @@
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@ -106,7 +106,40 @@ def main():
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store.connect()
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store.start(ignore_lock=True)
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store.unlock_filter(not action_is_forward)
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lock_state = store.filter_state.from_name('LOCK')
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locked_item = store.filter_state.list(lock_state)
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if len(locked_item) == 0:
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sys.stderr.write('Sync filter in {} is not locked\n'.format(state_dir))
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sys.exit(1)
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elif len(locked_item) > 1:
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sys.stderr.write('More than one locked item encountered in {}. That should never happen, so I do not know what to do next.\n'.format(state_dir))
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sys.exit(1)
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locked_item_key = locked_item[0]
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locked_item = store.get(int(locked_item_key))
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locked_state = store.filter_state.state(locked_item_key) - lock_state
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locked_state_name = store.filter_state.name(locked_state)
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logg.info('found item "{}" in locked state {}'.format(locked_item, store.filter_state.name(locked_state)))
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if action_is_forward:
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k = locked_state_name
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filter_index = None
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filter_index = filter_list.index(k)
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filter_pos = filter_index + 1
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filter_count = len(filter_list)
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logg.debug('Locked filter {} found at position {} of {}'.format(k, filter_pos, filter_count))
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if filter_pos == filter_count:
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logg.info('Locked filter {} is the last filter in the list. Executing filter reset'.format(k))
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locked_item.reset(check_incomplete=False)
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else:
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locked_item.advance(ignore_lock=True)
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store.filter_state.unset(locked_item_key, lock_state)
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else:
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filter_mask = 0xf
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filter_state = store.filter_state.mask(locked_state, filter_mask)
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logg.info('Chosen action is "{}": will continue execution at previous filter {}'.format(args.action, store.filter_state.name(filter_state)))
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store.filter_state.unset(locked_item_key, lock_state)
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if __name__ == '__main__':
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@ -13,15 +13,12 @@ class SyncSession:
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def __init__(self, session_store):
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self.session_store = session_store
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self.started = self.session_store.started
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self.get = self.session_store.get
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self.next = self.session_store.next_item
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self.item = None
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self.filters = self.session_store.filters
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def get(self, k):
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return self.session_store.get(str(k))
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def start(self, offset=0, target=-1):
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self.session_store.start(offset=offset, target=target)
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self.item = self.session_store.next_item()
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@ -13,7 +13,6 @@ from chainsyncer.error import (
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InterruptError,
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IncompleteFilterError,
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SyncDone,
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FilterInitializationError,
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)
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logg = logging.getLogger(__name__)
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@ -43,6 +42,7 @@ class SyncItem:
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self.filter_state = filter_state
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self.state_key = str(offset)
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logg.debug('get key {}'.format(self.state_key))
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v = self.sync_state.get(self.state_key)
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(self.cursor, self.tx_cursor, self.target) = sync_state_deserialize(v)
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@ -66,6 +66,16 @@ class SyncItem:
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raise FilterDone(self.state_key)
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def resume(self):
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filter_state = self.filter_state.state(self.state_key)
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if filter_state > 0x0f:
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filter_state_part = self.filter_state.mask(filter_state, 0x0f)
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if len(self.filter_state.elements(filter_state)) == 1:
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logg.info('resume execution on state {} ({})'.format(self.filter_state.name(filter_state_part), filter_state_part))
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lock_state = self.filter_state.from_name('LOCK')
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self.filter_state.set(lock_state)
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def reset(self, check_incomplete=True):
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if check_incomplete:
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if self.filter_state.state(self.state_key) & self.filter_state.from_name('LOCK') > 0:
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@ -100,6 +110,10 @@ class SyncItem:
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self.sync_state.replace(self.state_key, b)
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def __find_advance(self):
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v = self.filter_state.state(self.state_key)
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def advance(self, ignore_lock=False):
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if self.skip_filter:
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raise FilterDone()
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@ -207,9 +221,9 @@ class SyncStore:
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self.state.put(block_number_str, contents=state_bytes)
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self.filter_state.put(block_number_str)
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o = SyncItem(offset, target, self.state, self.filter_state, ignore_lock=ignore_lock)
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k = str(offset)
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self.items[k] = o
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self.item_keys.append(k)
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o.resume()
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self.items[offset] = o
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self.item_keys.append(offset)
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elif offset > 0:
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logg.warning('block number argument {} for start ignored for already initiated sync {}'.format(offset, self.session_id))
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self.started = True
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@ -257,14 +271,12 @@ class SyncStore:
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if i < lim:
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item_target = thresholds[i+1]
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o = SyncItem(block_number, item_target, self.state, self.filter_state, started=True, ignore_lock=ignore_lock)
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k = str(block_number)
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self.items[k] = o
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self.item_keys.append(k)
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o.resume()
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self.items[block_number] = o
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self.item_keys.append(block_number)
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logg.info('added existing {}'.format(o))
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v = self.get_target()
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if v != None:
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target = v
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self.get_target()
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if len(thresholds) == 0:
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if self.target != None:
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@ -303,73 +315,8 @@ class SyncStore:
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raise NotImplementedError()
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def __get_locked_item(self):
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locked_item = self.filter_state.list(self.filter_state.state_store.LOCK)
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if len(locked_item) == 0:
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logg.error('Sync filter in store {} is not locked\n'.format(self))
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return None
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elif len(locked_item) > 1:
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raise FilterInitializationError('More than one locked filter item encountered in store {}. That should never happen, so I do not know what to do next.\n'.format(self))
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return locked_item[0]
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def __get_filter_index(self, k):
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i = -1
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fltrs = self.load_filter_list()
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for fltr in fltrs:
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i += 1
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if k == fltr.upper():
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logg.debug('lock filter match at filter list index {}'.format(i))
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return (i, fltrs,)
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def unlock_filter(self, revert=False):
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locked_item_key = self.__get_locked_item()
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if locked_item_key == None:
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return False
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locked_item = self.get(locked_item_key)
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state = self.filter_state.state(locked_item_key)
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locked_state = state - self.filter_state.state_store.LOCK
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locked_state_name = self.filter_state.name(locked_state)
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logg.debug('found locked item {} in state {}'.format(locked_item, locked_state))
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(i, fltrs) = self.__get_filter_index(locked_state_name)
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if i == -1:
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raise FilterInitializationError('locked state {} ({}) found for item {}, but matching filter has not been registered'.format(locked_state_name, locked_state, locked_item))
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direction = None
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if revert:
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self.__unlock_previous(locked_item, fltrs, i)
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new_state = self.filter_state.state(locked_item_key)
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direction = 'previous'
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else:
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self.__unlock_next(locked_item, fltrs, i)
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new_state = self.filter_state.state(locked_item_key)
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direction = 'next'
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logg.info('chainstate unlock to {} {} ({}) -> {} ({})'.format(direction, self.filter_state.name(state), state, self.filter_state.name(new_state), new_state))
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return True
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def __unlock_next(self, item, lst, index):
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if index == len(lst) - 1:
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item.reset(check_incomplete=False)
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else:
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item.release()
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def __unlock_previous(self, item, lst, index):
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if index == 0:
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item.reset(check_incomplete=False)
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else:
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new_state_str = lst[index - 1]
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new_state = self.filter_state.state_store.from_name(new_state_str)
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self.filter_state.state_store.move(item.state_key, new_state)
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def peek_next_filter(self):
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pass
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def peek_current_filter(self):
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pass
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@ -24,8 +24,7 @@ class SyncFsStore(SyncStore):
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create_path = True
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if create_path:
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#self.__create_path(base_path, self.default_path, session_id=session_id)
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os.makedirs(self.session_path)
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self.__create_path(base_path, self.default_path, session_id=session_id)
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self.session_id = os.path.basename(self.session_path)
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logg.info('session id {} resolved {} path {}'.format(session_id, self.session_id, self.session_path))
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@ -13,8 +13,7 @@ from chainsyncer.error import NoBlockForYou
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from chainsyncer.driver import SyncDriver
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logging.STATETRACE = 5
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logging.addLevelName('STATETRACE', logging.STATETRACE)
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logg = logging.getLogger(__name__)
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logg = logging.getLogger().getChild(__name__)
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def state_event_handler(k, v_old, v_new):
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|
@ -232,7 +232,7 @@ class TestStoreBase(unittest.TestCase):
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if self.persist:
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store = self.store_factory('foo')
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store.start()
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o = store.get('2')
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o = store.get(2)
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|
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def t_sync_history_interrupted(self):
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@ -252,7 +252,7 @@ class TestStoreBase(unittest.TestCase):
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store.stop(bogus_item)
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store = self.store_factory('foo')
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store.start()
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o = store.get('0')
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o = store.get(0)
|
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self.assertEqual(o.cursor, 2)
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self.assertEqual(o.target, 13)
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o.next(advance_block=True)
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|
@ -1,5 +1,5 @@
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confini~=0.6.0
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semver==2.13.0
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hexathon~=0.1.6
|
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chainlib~=0.2.0
|
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shep~=0.2.9
|
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hexathon~=0.1.5
|
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chainlib~=0.1.1
|
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shep~=0.2.3
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|
@ -1,6 +1,6 @@
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[metadata]
|
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name = chainsyncer
|
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version = 0.4.10
|
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version = 0.4.1
|
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description = Generic blockchain syncer driver
|
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author = Louis Holbrook
|
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author_email = dev@holbrook.no
|
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@ -22,7 +22,7 @@ licence_files =
|
||||
|
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[options]
|
||||
include_package_data = True
|
||||
python_requires = >= 3.7
|
||||
python_requires = >= 3.6
|
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packages =
|
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chainsyncer
|
||||
chainsyncer.driver
|
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@ -37,4 +37,5 @@ packages =
|
||||
|
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[options.entry_points]
|
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console_scripts =
|
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#blocksync-celery = chainsyncer.runnable.tracker:main
|
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chainsyncer-unlock = chainsyncer.runnable.unlock:main
|
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|
@ -19,22 +19,17 @@ from chainsyncer.unittest import (
|
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MockConn,
|
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MockTx,
|
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MockBlock,
|
||||
MockFilterError,
|
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state_event_handler,
|
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filter_state_event_handler,
|
||||
)
|
||||
|
||||
|
||||
logging.basicConfig(level=logging.STATETRACE)
|
||||
logging.basicConfig(level=logging.DEBUG)
|
||||
logg = logging.getLogger()
|
||||
|
||||
|
||||
|
||||
class TestFilter(unittest.TestCase):
|
||||
|
||||
def setUp(self):
|
||||
self.path = tempfile.mkdtemp()
|
||||
self.store = SyncFsStore(self.path, state_event_callback=state_event_handler, filter_state_event_callback=filter_state_event_handler)
|
||||
self.store = SyncFsStore(self.path)
|
||||
self.session = SyncSession(self.store)
|
||||
self.conn = MockConn()
|
||||
|
||||
@ -78,279 +73,6 @@ class TestFilter(unittest.TestCase):
|
||||
self.assertEqual(len(fltr_two.contents), 0)
|
||||
|
||||
|
||||
def test_filter_resume_single_revert(self):
|
||||
fltr_one = MockFilter('foo', brk_hard=True)
|
||||
self.store.register(fltr_one)
|
||||
|
||||
self.session.start()
|
||||
|
||||
item = self.store.get('0')
|
||||
item.next()
|
||||
|
||||
tx_hash = os.urandom(32).hex()
|
||||
tx = MockTx(42, tx_hash)
|
||||
block = MockBlock(13, [tx_hash])
|
||||
|
||||
with self.assertRaises(MockFilterError):
|
||||
self.session.filter(self.conn, block, tx)
|
||||
|
||||
# Unlock the state, reverting to previous filter
|
||||
store = SyncFsStore(self.path, state_event_callback=state_event_handler, filter_state_event_callback=filter_state_event_handler)
|
||||
self.conn = MockConn()
|
||||
fltr_one = MockFilter('foo')
|
||||
store.register(fltr_one)
|
||||
store.connect()
|
||||
store.start(ignore_lock=True)
|
||||
store.unlock_filter(revert=True)
|
||||
|
||||
store = SyncFsStore(self.path, state_event_callback=state_event_handler, filter_state_event_callback=filter_state_event_handler)
|
||||
session = SyncSession(store)
|
||||
self.conn = MockConn()
|
||||
|
||||
fltr_one = MockFilter('foo')
|
||||
store.register(fltr_one)
|
||||
|
||||
session.start()
|
||||
|
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session.filter(self.conn, block, tx)
|
||||
|
||||
|
||||
|
||||
def test_filter_resume_single_continue(self):
|
||||
fltr_one = MockFilter('foo', brk_hard=True)
|
||||
self.store.register(fltr_one)
|
||||
|
||||
self.session.start()
|
||||
|
||||
item = self.store.get('0')
|
||||
item.next()
|
||||
|
||||
tx_hash = os.urandom(32).hex()
|
||||
tx = MockTx(42, tx_hash)
|
||||
block = MockBlock(13, [tx_hash])
|
||||
|
||||
with self.assertRaises(MockFilterError):
|
||||
self.session.filter(self.conn, block, tx)
|
||||
|
||||
# Unlock the state, reverting to previous filter
|
||||
store = SyncFsStore(self.path, state_event_callback=state_event_handler, filter_state_event_callback=filter_state_event_handler)
|
||||
self.conn = MockConn()
|
||||
fltr_one = MockFilter('foo')
|
||||
store.register(fltr_one)
|
||||
store.connect()
|
||||
store.start(ignore_lock=True)
|
||||
store.unlock_filter(revert=False)
|
||||
|
||||
store = SyncFsStore(self.path, state_event_callback=state_event_handler, filter_state_event_callback=filter_state_event_handler)
|
||||
session = SyncSession(store)
|
||||
self.conn = MockConn()
|
||||
|
||||
fltr_one = MockFilter('foo')
|
||||
store.register(fltr_one)
|
||||
store.connect()
|
||||
|
||||
session.start()
|
||||
|
||||
session.filter(self.conn, block, tx)
|
||||
|
||||
|
||||
|
||||
def test_filter_resume_multi_revert_last(self):
|
||||
fltr_one = MockFilter('foo')
|
||||
self.store.register(fltr_one)
|
||||
|
||||
fltr_two = MockFilter('bar', brk_hard=True)
|
||||
self.store.register(fltr_two)
|
||||
|
||||
self.session.start()
|
||||
|
||||
item = self.store.get('0')
|
||||
item.next()
|
||||
|
||||
tx_hash = os.urandom(32).hex()
|
||||
tx = MockTx(42, tx_hash)
|
||||
block = MockBlock(13, [tx_hash])
|
||||
|
||||
with self.assertRaises(MockFilterError):
|
||||
self.session.filter(self.conn, block, tx)
|
||||
|
||||
# Unlock the state, reverting to previous filter
|
||||
store = SyncFsStore(self.path, state_event_callback=state_event_handler, filter_state_event_callback=filter_state_event_handler)
|
||||
self.conn = MockConn()
|
||||
fltr_one = MockFilter('foo')
|
||||
store.register(fltr_one)
|
||||
fltr_bar = MockFilter('bar')
|
||||
store.register(fltr_bar)
|
||||
store.connect()
|
||||
store.start(ignore_lock=True)
|
||||
store.unlock_filter(revert=True)
|
||||
|
||||
store = SyncFsStore(self.path, state_event_callback=state_event_handler, filter_state_event_callback=filter_state_event_handler)
|
||||
session = SyncSession(store)
|
||||
self.conn = MockConn()
|
||||
|
||||
fltr_one = MockFilter('foo')
|
||||
store.register(fltr_one)
|
||||
fltr_two = MockFilter('bar')
|
||||
store.register(fltr_two)
|
||||
|
||||
store.connect()
|
||||
|
||||
session.start()
|
||||
|
||||
session.filter(self.conn, block, tx)
|
||||
|
||||
|
||||
def test_filter_resume_multi_continue_last(self):
|
||||
fltr_one = MockFilter('foo')
|
||||
self.store.register(fltr_one)
|
||||
|
||||
fltr_two = MockFilter('bar', brk_hard=True)
|
||||
self.store.register(fltr_two)
|
||||
|
||||
self.session.start()
|
||||
|
||||
item = self.store.get('0')
|
||||
item.next()
|
||||
|
||||
tx_hash = os.urandom(32).hex()
|
||||
tx = MockTx(42, tx_hash)
|
||||
block = MockBlock(13, [tx_hash])
|
||||
|
||||
with self.assertRaises(MockFilterError):
|
||||
self.session.filter(self.conn, block, tx)
|
||||
|
||||
# Unlock the state, reverting to previous filter
|
||||
store = SyncFsStore(self.path, state_event_callback=state_event_handler, filter_state_event_callback=filter_state_event_handler)
|
||||
self.conn = MockConn()
|
||||
fltr_one = MockFilter('foo')
|
||||
store.register(fltr_one)
|
||||
fltr_bar = MockFilter('bar')
|
||||
store.register(fltr_bar)
|
||||
store.connect()
|
||||
store.start(ignore_lock=True)
|
||||
store.unlock_filter(revert=False)
|
||||
|
||||
store = SyncFsStore(self.path, state_event_callback=state_event_handler, filter_state_event_callback=filter_state_event_handler)
|
||||
session = SyncSession(store)
|
||||
self.conn = MockConn()
|
||||
|
||||
fltr_one = MockFilter('foo')
|
||||
store.register(fltr_one)
|
||||
fltr_two = MockFilter('bar')
|
||||
store.register(fltr_two)
|
||||
|
||||
session.start()
|
||||
|
||||
session.filter(self.conn, block, tx)
|
||||
|
||||
|
||||
def test_filter_resume_multi_revert_middle(self):
|
||||
fltr_one = MockFilter('foo')
|
||||
self.store.register(fltr_one)
|
||||
|
||||
fltr_two = MockFilter('bar', brk_hard=True)
|
||||
self.store.register(fltr_two)
|
||||
|
||||
fltr_three = MockFilter('baz')
|
||||
self.store.register(fltr_three)
|
||||
|
||||
self.session.start()
|
||||
|
||||
item = self.store.get('0')
|
||||
item.next()
|
||||
|
||||
tx_hash = os.urandom(32).hex()
|
||||
tx = MockTx(42, tx_hash)
|
||||
block = MockBlock(13, [tx_hash])
|
||||
|
||||
with self.assertRaises(MockFilterError):
|
||||
self.session.filter(self.conn, block, tx)
|
||||
|
||||
# Unlock the state, reverting to previous filter
|
||||
store = SyncFsStore(self.path, state_event_callback=state_event_handler, filter_state_event_callback=filter_state_event_handler)
|
||||
self.conn = MockConn()
|
||||
fltr_one = MockFilter('foo')
|
||||
store.register(fltr_one)
|
||||
fltr_two = MockFilter('bar')
|
||||
store.register(fltr_two)
|
||||
fltr_three = MockFilter('baz')
|
||||
store.register(fltr_three)
|
||||
|
||||
store.connect()
|
||||
store.start(ignore_lock=True)
|
||||
store.unlock_filter(revert=True)
|
||||
|
||||
store = SyncFsStore(self.path, state_event_callback=state_event_handler, filter_state_event_callback=filter_state_event_handler)
|
||||
session = SyncSession(store)
|
||||
self.conn = MockConn()
|
||||
|
||||
fltr_one = MockFilter('foo')
|
||||
store.register(fltr_one)
|
||||
fltr_two = MockFilter('bar')
|
||||
store.register(fltr_two)
|
||||
fltr_three = MockFilter('baz')
|
||||
store.register(fltr_three)
|
||||
|
||||
store.connect()
|
||||
|
||||
session.start()
|
||||
|
||||
session.filter(self.conn, block, tx)
|
||||
|
||||
|
||||
def test_filter_resume_multi_continue_middle(self):
|
||||
fltr_one = MockFilter('foo')
|
||||
self.store.register(fltr_one)
|
||||
|
||||
fltr_two = MockFilter('bar', brk_hard=True)
|
||||
self.store.register(fltr_two)
|
||||
|
||||
fltr_three = MockFilter('baz')
|
||||
self.store.register(fltr_three)
|
||||
|
||||
self.session.start()
|
||||
|
||||
item = self.store.get('0')
|
||||
item.next()
|
||||
|
||||
tx_hash = os.urandom(32).hex()
|
||||
tx = MockTx(42, tx_hash)
|
||||
block = MockBlock(13, [tx_hash])
|
||||
|
||||
with self.assertRaises(MockFilterError):
|
||||
self.session.filter(self.conn, block, tx)
|
||||
|
||||
# Unlock the state, reverting to previous filter
|
||||
store = SyncFsStore(self.path, state_event_callback=state_event_handler, filter_state_event_callback=filter_state_event_handler)
|
||||
self.conn = MockConn()
|
||||
fltr_one = MockFilter('foo')
|
||||
store.register(fltr_one)
|
||||
fltr_two = MockFilter('bar')
|
||||
store.register(fltr_two)
|
||||
fltr_three = MockFilter('baz')
|
||||
store.register(fltr_three)
|
||||
|
||||
store.connect()
|
||||
store.start(ignore_lock=True)
|
||||
store.unlock_filter(revert=False)
|
||||
|
||||
store = SyncFsStore(self.path, state_event_callback=state_event_handler, filter_state_event_callback=filter_state_event_handler)
|
||||
session = SyncSession(store)
|
||||
self.conn = MockConn()
|
||||
|
||||
fltr_one = MockFilter('foo')
|
||||
store.register(fltr_one)
|
||||
fltr_two = MockFilter('bar')
|
||||
store.register(fltr_two)
|
||||
fltr_three = MockFilter('baz')
|
||||
store.register(fltr_three)
|
||||
|
||||
session.start()
|
||||
|
||||
session.filter(self.conn, block, tx)
|
||||
|
||||
|
||||
if __name__ == '__main__':
|
||||
unittest.main()
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user