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 handle_confirm_state_set(container,
proposal,
closer,
reason,
address,
user_id,
new_manager_id,
state):
proposal.status = proposal_state_pb2.Proposal.CONFIRMED
proposal.closer = closer
proposal.close_reason = reason
set_state(state, {
address: container.SerializeToString()
})
user_address = addresser.make_user_address(user_id)
state_entries = get_state(state, [user_address])
state_entry = get_state_entry(
state_entries=state_entries,
address=user_address)
user_container = return_user_container(state_entry)
user = get_user_from_container(user_container, user_id)
user.manager_id = new_manager_id
set_state(state, {
user_address: user_container.SerializeToString()
})
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
def _validate_state_and_return_user(header, user_proposal, state):
"""Validate that 1. There is no other open proposal for the manager change
2. The user is a User 3. the manager is a User 4. The manager is the
signer of the transaction.
Args:
header (TransactionHeader): The transaction header.
user_proposal (ProposeUpdateUserManager): The transaction that makes
the proposal to update the user's manager.
state (Context): The way to set and get values from state.
"""
prop_state_entries = _validate_unique_proposal(
header,
user_proposal,
state)
user_address = addresser.make_user_address(
user_id=user_proposal.user_id)
user_state_entries = get_state(
state,
[user_address])
validate_identifier_is_user(
state_entries=user_state_entries,
identifier=user_proposal.user_id,
address=user_address)
manager_address = addresser.make_user_address(
user_id=user_proposal.new_manager_id)
manager_state_entries = get_state(
state,
[manager_address])
validate_identifier_is_user(
state_entries=manager_state_entries,
identifier=user_proposal.new_manager_id,
address=manager_address)
user_state_entry = get_state_entry(
user_state_entries,
user_address)
user_container = return_user_container(user_state_entry)
_validate_manager_is_signer(header, user_container, user_proposal.user_id)
return prop_state_entries
def validate_user_state(header, create_user, state):
user_entries = get_state(
state, [addresser.make_user_address(create_user.user_id)])
if user_entries:
# this is necessary for state collisions.
try:
user_container = return_user_container(user_entries[0])
_index_of_user_in_container(user_container, create_user.user_id)
raise InvalidTransaction(
"User with user_id {} already exists.".format(
create_user.user_id))
except KeyError:
# The user does not exist yet in state and so the transaction
# is valid.
pass
def validate_manager_state(header, create_user, state):
manager_entries = get_state(
state, [addresser.make_user_address(create_user.manager_id)])
if not manager_entries:
raise InvalidTransaction("User id {} listed as manager is not "
"in state.".format(create_user.manager_id))
state_entry = get_state_entry(
manager_entries,
addresser.make_user_address(user_id=create_user.manager_id))
manager_container = return_user_container(state_entry)
if not is_in_user_container(manager_container, create_user.manager_id):
raise InvalidTransaction(
"user id {} listed as manager is not within the User container "
"in state".format(create_user.manager_id))
