Method pop

ssz_research/ssz_hashable_list/hashable_list.py:79–85

(self)

    # Pop from the list
    def pop(self):
        # Remove the item. Note that if the length of the chunks goes below a power
        # of two, we do NOT remove the item (this is to prevent DoS attacks by
        # repeatedly expanding and contracting a list around a power of 2, causing
        # repeated O(n) resizes), instead we handle the size reduction in the root method
        self[self.length-1] = b'\x00' * self.item_length
        self.length -= 1

    def __len__(self):
        return self.length