| 1514 | |
| 1515 | # Fast Binary Encoding Balance model |
| 1516 | class BalanceModel(fbe.Model): |
| 1517 | __slots__ = "_model", |
| 1518 | |
| 1519 | def __init__(self, buffer=None): |
| 1520 | super().__init__(buffer) |
| 1521 | self._model = FieldModelBalance(self.buffer, 4) |
| 1522 | |
| 1523 | @property |
| 1524 | def model(self): |
| 1525 | return self._model |
| 1526 | |
| 1527 | # Get the model size |
| 1528 | @property |
| 1529 | def fbe_size(self): |
| 1530 | return self._model.fbe_size + self._model.fbe_extra |
| 1531 | |
| 1532 | # Get the model type |
| 1533 | @property |
| 1534 | def fbe_type(self): |
| 1535 | return self.TYPE |
| 1536 | |
| 1537 | TYPE = FieldModelBalance.TYPE |
| 1538 | |
| 1539 | # Check if the struct value is valid |
| 1540 | def verify(self): |
| 1541 | if (self.buffer.offset + self._model.fbe_offset - 4) > self.buffer.size: |
| 1542 | return False |
| 1543 | |
| 1544 | fbe_full_size = self.read_uint32(self._model.fbe_offset - 4) |
| 1545 | if fbe_full_size < self._model.fbe_size: |
| 1546 | return False |
| 1547 | |
| 1548 | return self._model.verify() |
| 1549 | |
| 1550 | # Create a new model (begin phase) |
| 1551 | def create_begin(self): |
| 1552 | fbe_begin = self.buffer.allocate(4 + self._model.fbe_size) |
| 1553 | return fbe_begin |
| 1554 | |
| 1555 | # Create a new model (end phase) |
| 1556 | def create_end(self, fbe_begin): |
| 1557 | fbe_end = self.buffer.size |
| 1558 | fbe_full_size = fbe_end - fbe_begin |
| 1559 | self.write_uint32(self._model.fbe_offset - 4, fbe_full_size) |
| 1560 | return fbe_full_size |
| 1561 | |
| 1562 | # Serialize the struct value |
| 1563 | def serialize(self, value): |
| 1564 | fbe_begin = self.create_begin() |
| 1565 | self._model.set(value) |
| 1566 | fbe_full_size = self.create_end(fbe_begin) |
| 1567 | return fbe_full_size |
| 1568 | |
| 1569 | # Deserialize the struct value |
| 1570 | def deserialize(self, value=None): |
| 1571 | if value is None: |
| 1572 | value = Balance() |
| 1573 | |