def __init__(self, masterkeys=None, private_keys=None, outpoints=None):
self.masterkeys = masterkeys or ItemSet()
self.private_keys = private_keys or ItemSet()
self.outpoints = outpoints or ItemSet()
self.ON_STARTING_TX = Event()
self.ON_ENDING_TX = Event()
def __init__(self, tocommit=None):
self.tocommit = tocommit or deque()
self.ON_COMMITING = Event()
self.ON_LOG = Event()
self.ON_REVERTLOG = Event()
self.ON_COMMITED = Event()
def __init__(self, items_by_key=None):
self.items_by_key = items_by_key or {}
self.ON_CHANGING = Event()
self.ON_CHANGED = Event()
self.tx = None
