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)
"""
task_id = propose.task_id
user_id = propose.user_id
user_address = addresser.make_user_address(user_id)
task_address = addresser.make_task_attributes_address(task_id)
proposal_address = addresser.make_proposal_address(object_id=task_id,
related_id=user_id)
state_entries = get_state(
state, [user_address, task_address, proposal_address, rel_address])
validate_identifier_is_user(state_entries,
identifier=user_id,
address=user_address)
user_entry = get_state_entry(state_entries, user_address)
user = get_user_from_container(return_user_container(user_entry), user_id)
validate_identifier_is_task(state_entries,
identifier=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 (header.signer_public_key not in [
user.user_id, user.manager_id
]) and (not is_in_task_rel_container(task_rel_container, task_id,
user_id)):
raise InvalidTransaction(
"Txn signer {} is not the user or the user's "
"manager {} nor the task owner / admin".format(
header.signer_public_key, [user.user_id, user.manager_id]))
if is_in_task_rel_container(task_rel_container, task_id, user_id):
raise InvalidTransaction("User {} is already in the Task {} "
"relationship".format(user_id, task_id))
except KeyError:
# The task rel container doesn't exist so no task relationship exists
pass
return state_entries
def validate_role_task(header, confirm, txn_signer_rel_address, state):
proposal_address = addresser.make_proposal_address(
object_id=confirm.role_id, related_id=confirm.task_id)
state_entries = get_state(state,
[txn_signer_rel_address, proposal_address])
if not proposal_exists_and_open(state_entries, proposal_address,
confirm.proposal_id):
raise InvalidTransaction("The proposal {} does not exist or "
"is not open".format(confirm.proposal_id))
try:
entry = get_state_entry(state_entries, txn_signer_rel_address)
task_owners_container = return_task_rel_container(entry)
except KeyError:
raise InvalidTransaction(
"Signer {} is not a task owner for task {}".format(
header.signer_public_key, confirm.task_id))
if not is_in_task_rel_container(task_owners_container, confirm.task_id,
header.signer_public_key):
raise InvalidTransaction(
"Signer {} is not a task owner for task {} no bytes in "
"state".format(header.signer_public_key, confirm.task_id))
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
def validate_task_admin_or_owner(header, confirm, txn_signer_rel_address,
task_rel_address, state, is_remove):
"""Validate a [ Confirm | Reject }_____Task[ Admin | Owner } transaction.
Args:
header (TransactionHeader): The transaction header protobuf class.:
confirm: ConfirmAddTaskAdmin, RejectAddTaskAdmin, ...
txn_signer_rel_address (str): The transaction signer address.
task_rel_address (str): The task relationship address.
state (Context): The class responsible for gets and sets of state.
is_remove (boolean): Determines if task owner is being added or removed.
Returns:
(dict of addresses)
Raises:
InvalidTransaction
- The transaction is invalid.
"""
proposal_address = addresser.make_proposal_address(
object_id=confirm.task_id, related_id=confirm.user_id)
if not is_remove:
state_entries = get_state(state,
[txn_signer_rel_address, proposal_address])
else:
state_entries = get_state(
state,
[txn_signer_rel_address, task_rel_address, proposal_address])
if not proposal_exists_and_open(state_entries, proposal_address,
confirm.proposal_id):
raise InvalidTransaction("The proposal {} does not exist or "
"is not open".format(confirm.proposal_id))
try:
entry = get_state_entry(state_entries, txn_signer_rel_address)
task_rel_container = return_task_rel_container(entry)
except KeyError:
raise InvalidTransaction(
"Signer {} does not have the Task permissions "
"to close the proposal".format(header.signer_public_key))
if not is_in_task_rel_container(task_rel_container,
task_id=confirm.task_id,
identifier=header.signer_public_key):
raise InvalidTransaction("Signer {} does not have the Task "
"permissions to close the "
"proposal".format(header.signer_public_key))
return state_entries
def validate_task_admin_or_owner(header, confirm, txn_signer_rel_address,
state):
"""Validate a [ Confirm | Reject }_____Task[ Admin | Owner } transaction.
Args:
header (TransactionHeader): The transaction header protobuf class.:
confirm: ConfirmAddTaskAdmin, RejectAddTaskAdmin, ...
state (Context): The class responsible for gets and sets of state.
Returns:
(list of StateEntry)
"""
proposal_address = addresser.make_proposal_address(
object_id=confirm.task_id, related_id=confirm.user_id)
state_entries = get_state(state,
[txn_signer_rel_address, proposal_address])
if not proposal_exists_and_open(state_entries, proposal_address,
confirm.proposal_id):
raise InvalidTransaction("The proposal {} does not exist or "
"is not open".format(confirm.proposal_id))
try:
entry = get_state_entry(state_entries, txn_signer_rel_address)
task_rel_container = return_task_rel_container(entry)
except KeyError:
raise InvalidTransaction(
"Signer {} does not have the Task permissions "
"to close the proposal".format(header.signer_pubkey))
if not is_in_task_rel_container(task_rel_container,
task_id=confirm.task_id,
identifier=header.signer_pubkey):
raise InvalidTransaction("Signer {} does not have the Task "
"permissions to close the "
"proposal".format(header.signer_pubkey))
return state_entries