def validate_task_rel_proposal(header, propose, rel_address, state):
"""Validates that the User exists, the Task exists, and the User is not
in the Task's relationship specified by rel_address.
Args:
header (TransactionHeader): The transaction header.
propose (ProposeAddTask_____): The Task relationship proposal.
rel_address (str): The Task relationship address produced by the Task
and the User.
state (sawtooth_sdk.Context): The way to communicate to the validator
the state gets and sets.
Returns:
(dict of addresses)
"""
user_address = addresser.make_user_address(propose.user_id)
task_address = addresser.make_task_attributes_address(propose.task_id)
proposal_address = addresser.make_proposal_address(
object_id=propose.task_id,
related_id=propose.user_id)
state_entries = get_state(state, [user_address,
task_address,
proposal_address,
rel_address])
validate_identifier_is_user(state_entries,
identifier=propose.user_id,
address=user_address)
user_entry = get_state_entry(state_entries, user_address)
user = get_user_from_container(
return_user_container(user_entry),
propose.user_id)
if header.signer_public_key not in [user.user_id, user.manager_id]:
raise InvalidTransaction(
"Txn signer {} is not the user or the user's "
"manager {}".format(header.signer_public_key,
[user.user_id, user.manager_id]))
validate_identifier_is_task(state_entries,
identifier=propose.task_id,
address=task_address)
try:
task_admins_entry = get_state_entry(state_entries, rel_address)
task_rel_container = return_task_rel_container(task_admins_entry)
if is_in_task_rel_container(
task_rel_container,
propose.task_id,
propose.user_id):
raise InvalidTransaction(
"User {} is already in the Role {} "
"relationship".format(propose.user_id,
propose.task_id))
except KeyError:
# The task rel container doesn't exist so no task relationship exists
pass
return state_entries
def validate_task_rel_del_proposal(header, propose, rel_address, state):
"""Validates that the User exists, the Task exists, and the User is in
the Tasks's relationship specified by the rel_address.
Args:
header (TransactionHeader): The transaction header.
propose (ProposeRemoveTask____): The Task Remove relationship proposal
rel_address (str): The task relationship address.
state (Context:: The way to communicate to the validator State gets
and sets.
Returns:
(list of StateEntry)
"""
user_address = addresser.make_user_address(propose.user_id)
task_address = addresser.make_task_attributes_address(propose.task_id)
proposal_address = addresser.make_proposal_address(
object_id=propose.task_id, related_id=propose.user_id)
state_entries = get_state(
state, [user_address, task_address, proposal_address, rel_address])
validate_identifier_is_user(state_entries,
identifier=propose.user_id,
address=user_address)
user_entry = get_state_entry(state_entries, user_address)
user = get_user_from_container(return_user_container(user_entry),
propose.user_id)
if header.signer_pubkey not in [user.user_id, user.manager_id]:
raise InvalidTransaction(
"Txn signer {} is not the user {} or the user's manager {}".format(
header.signer_pubkey, user.user_id, user.manager_id))
validate_identifier_is_task(state_entries,
identifier=propose.task_id,
address=task_address)
try:
task_rel_entry = get_state_entry(state_entries, rel_address)
task_rel_container = return_task_rel_container(task_rel_entry)
if not is_in_task_rel_container(task_rel_container, propose.task_id,
propose.user_id):
raise InvalidTransaction("User {} isn't in the Task {} "
"relationship".format(
propose.user_id, propose.task_id))
except KeyError:
raise InvalidTransaction(
"User {} isn't in the Task {} relationship, "
"since there isn't a container at the address".format(
propose.user_id, propose.task_id))
return state_entries