Struct UsageTree 

pub struct UsageTree { /* private fields */ }

Usage tree for a family of cells.

Implementations

impl UsageTree

pub fn new(mode: UsageTreeMode) -> Self

Creates a usage tree with the specified tracking mode.

pub fn with_mode_and_capacity(mode: UsageTreeMode, capacity: usize) -> Self

Creates a usage tree with the specified tracking mode and a specified starting capacity.

pub fn track(&self, cell: &Cell) -> Cell

Wraps the specified cell in a usage cell to keep track of the data or links being accessed.

pub fn contains(&self, repr_hash: &HashBytes) -> bool

Returns true if the cell with the specified representation hash is present in this usage tree.

pub fn with_subtrees(self) -> UsageTreeWithSubtrees

Extends the usage tree with subtree tracker.

pub fn is_empty(&self) -> bool

Returns true if there are no cells in the usage tree.

pub fn len(&self) -> usize

Returns the number of cells in the usage tree.

Trait Implementations

impl MerkleFilter for UsageTree

fn check(&self, cell: &HashBytes) -> FilterAction

Returns how the cell should be included in the Merkle proof or update.