def test_no_database(self):
with self.assertRaisesRegex(pmpi.database.Database.InitialisationError, "initialise database first"):
Identifier.get_uuid_list()
with self.assertRaisesRegex(pmpi.database.Database.InitialisationError, "initialise database first"):
Identifier.get(uuid4())
operation = Operation(OperationRev(), 'http://example.com/', [])
sk = SigningKey.generate()
sign_object(PublicKey.from_signing_key(sk), sk, operation)
identifier = Identifier.from_operation(operation)
with self.assertRaisesRegex(pmpi.database.Database.InitialisationError, "initialise database first"):
identifier.put()
with self.assertRaisesRegex(pmpi.database.Database.InitialisationError, "initialise database first"):
identifier.remove()
def test_2_put_remove(self):
for identifier in self.identifiers:
identifier.put()
uuid_list = Identifier.get_uuid_list()
self.assertEqual(len(uuid_list), 2)
self.assertCountEqual(uuid_list, [identifier.uuid for identifier in self.identifiers])
for identifier in self.identifiers:
new_id = Identifier.get(identifier.uuid)
self.assertEqual(new_id.uuid, identifier.uuid)
self.assertEqual(new_id.operation_rev, identifier.operation_rev)
self.identifiers[0].remove()
with self.assertRaises(Identifier.DoesNotExist):
self.identifiers[0].remove() # already removed identifier
self.assertCountEqual(Identifier.get_uuid_list(), [self.identifiers[1].uuid])
with self.assertRaises(Identifier.DoesNotExist):
Identifier.get(self.identifiers[0].uuid)
def __set_head(self, new_head_id):
lca_id = self.__lowest_common_ancestor(self.head, new_head_id)
blocks_after_lca = self.backward_blocks_chain(self.head, lca_id)[:-1]
for identifier in [Identifier.get(uuid) for uuid in Identifier.get_uuid_list()]:
op = identifier.operation_rev.obj
containing_blocks = list(filter(lambda bl: bl in blocks_after_lca, op.containing_blocks))
if len(containing_blocks) == 1:
while len(containing_blocks) == 1: # while operation is in a block that belongs to path to the LCA
op = op.previous_operation_rev.obj
if op is not None:
containing_blocks = list(filter(lambda bl: bl in blocks_after_lca, op.containing_blocks))
else:
break
identifier.remove()
if op is not None:
identifier.operation_rev = op.get_rev()
identifier.put()
for block_id in reversed(self.backward_blocks_chain(new_head_id, lca_id)[:-1]):
for op in pmpi.block.Block.get(block_id).operations:
try:
identifier = Identifier.get(op.uuid)
if identifier.operation_rev == op.previous_operation_rev:
identifier.remove()
identifier.operation_rev = op.get_rev()
identifier.put()
else:
raise self.TreeError("inconsistency of operations")
except Identifier.DoesNotExist:
if op.previous_operation_rev.is_none():
Identifier(op.uuid, op.get_rev()).put()
else:
raise self.TreeError("multiple minting of the identifier")
self.__head = new_head_id
def new_operation(self):
print("Choose UUID:")
uuids_number = self.show_uuids()
print('\n {}) mint new uuid'.format(uuids_number))
def send_operation(operation):
self.user.sign_object(operation)
x = None
while x not in ('y', 'n'):
x = input("Send operation? (y/n) ")
if x == 'y':
self.transport.write(b'OP' + operation.raw()) # TODO also -- length of operation?
try:
x = int(input("index="))
if x < uuids_number:
uuid = Identifier.get_uuid_list()[x]
operation = Identifier.get(uuid).operation_rev.obj
if self.user._public_key.der not in operation.owners_der:
print("You do not own this identifier!")
return
# TODO show sth
address = input("address=")
# TODO owners choose owners
send_operation(Operation(operation.get_rev(), address, [self.user._public_key]))
elif x == uuids_number:
address = input("address=")
# TODO owners choose owners
send_operation(Operation(OperationRev(), address, [self.user._public_key]))
else:
print("Wrong number.")
except ValueError:
print("Value Error, aborting.")
def test_1_get_from_empty(self):
with self.assertRaises(Identifier.DoesNotExist):
Identifier.get(self.identifiers[0].uuid)
def show_uuids():
uuid_list = Identifier.get_uuid_list()
digits = len(str(len(uuid_list)))
for index, identifier in enumerate(Identifier.get_uuid_list()):
print("{}) {} | {}".format(str(index).rjust(digits), identifier, Identifier.get(identifier).operation_rev.obj.address))
return len(uuid_list)
