def test_from_raw(self):
new_operation = Operation.from_raw(self.operation.raw())
self.assertIsInstance(new_operation, Operation)
for attr in ('previous_operation_rev', 'uuid', 'address', 'signature'):
self.assertEqual(getattr(new_operation, attr), getattr(self.operation, attr))
self.assertEqual(new_operation.owners_der, self.operation.owners_der)
self.assertEqual(new_operation.public_key.der, self.operation.public_key.der)
def test_mangled_raw(self):
raw = self.operation.raw()
with self.assertRaisesRegex(RawFormatError, "raw input too short"):
Operation.from_raw(raw[:-1])
with self.assertRaisesRegex(RawFormatError, "raw input too long"):
Operation.from_raw(raw + b'\x00')
with self.assertRaisesRegex(Operation.VerifyError, "wrong signature"):
mangled_raw = bytearray(raw)
mangled_raw[-1] = 0
Operation.from_raw(mangled_raw).verify()
with self.assertRaisesRegex(Operation.VerifyError, "wrong object id"):
Operation.from_raw(raw).verify_id(b'wrong hash') # wrong hash length
with self.assertRaisesRegex(Operation.VerifyError, "wrong object id"):
Operation.from_raw(raw).verify_id(sha256(b'wrong hash').digest()) # different hash
def process_operation(self, raw_operation):
op = Operation.from_raw(raw_operation)
future = asyncio.ensure_future(operation_queue.put(op))
future.add_done_callback(self.new_block)
