def address_exists(self, context, object_id, related_id=None):
"""Checks to see if an address already exists on the blockchain
for a given object or object relationship"""
address = self.address(object_id=object_id, related_id=related_id)
content = state_client.get_address(context=context, address=address)
if content is None:
return False
return True
def address_exists(self, state, object_id, target_id=None):
"""Checks to see if an address already exists on the blockchain
for a given object or object relationship
(state object is available when message is handled by transaction processor)"""
address = self.address(object_id=object_id, target_id=target_id)
results = state_client.get_address(state=state, address=address)
if not list(results):
return False
return True
def get_from_state(self, state, object_id, target_id=None):
"""Gets an address from the blockchain state
(state object is available when message is handled by transaction processor)"""
address = self.address(object_id=object_id, target_id=target_id)
# pylint: disable=not-callable
container = self._state_container()
results = state_client.get_address(state=state, address=address)
if not list(results):
return None
container.ParseFromString(results[0].data)
return self._find_in_state_container(
container=container,
address=address,
object_id=object_id,
target_id=target_id,
)
def get_address(self, context, address):
"""Get the deserialized data of a blockchain address"""
data = state_client.get_address(context=context, address=address)
if data:
return self.deserialize(address=address, data=data)
return None
