pub struct TrieWalker<C> {
pub cursor: C,
pub stack: Vec<CursorSubNode>,
pub can_skip_current_node: bool,
pub changes: PrefixSet,
/* private fields */
}
Expand description
TrieWalker
is a structure that enables traversal of a Merkle trie.
It allows moving through the trie in a depth-first manner, skipping certain branches
if they have not changed.
Fields§
§cursor: C
A mutable reference to a trie cursor instance used for navigating the trie.
stack: Vec<CursorSubNode>
A vector containing the trie nodes that have been visited.
can_skip_current_node: bool
A flag indicating whether the current node can be skipped when traversing the trie. This is determined by whether the current key’s prefix is included in the prefix set and if the hash flag is set.
changes: PrefixSet
A PrefixSet
representing the changes to be applied to the trie.
Implementations§
Source§impl<C> TrieWalker<C>
impl<C> TrieWalker<C>
Sourcepub fn from_stack(
cursor: C,
stack: Vec<CursorSubNode>,
changes: PrefixSet,
) -> Self
pub fn from_stack( cursor: C, stack: Vec<CursorSubNode>, changes: PrefixSet, ) -> Self
Constructs a new TrieWalker
from existing stack and a cursor.
Sourcepub fn with_deletions_retained(self, retained: bool) -> Self
pub fn with_deletions_retained(self, retained: bool) -> Self
Sets the flag whether the trie updates should be stored.
Sourcepub fn split(self) -> (Vec<CursorSubNode>, HashSet<Nibbles>)
pub fn split(self) -> (Vec<CursorSubNode>, HashSet<Nibbles>)
Split the walker into stack and trie updates.
Sourcepub fn take_removed_keys(&mut self) -> HashSet<Nibbles>
pub fn take_removed_keys(&mut self) -> HashSet<Nibbles>
Take removed keys from the walker.
Sourcepub fn print_stack(&self)
pub fn print_stack(&self)
Prints the current stack of trie nodes.
Sourcepub fn removed_keys_len(&self) -> usize
pub fn removed_keys_len(&self) -> usize
The current length of the removed keys.
Sourcepub fn children_are_in_trie(&self) -> bool
pub fn children_are_in_trie(&self) -> bool
Indicates whether the children of the current node are present in the trie.
Sourcepub fn next_unprocessed_key(&self) -> Option<B256>
pub fn next_unprocessed_key(&self) -> Option<B256>
Returns the next unprocessed key in the trie.
Source§impl<C: TrieCursor> TrieWalker<C>
impl<C: TrieCursor> TrieWalker<C>
Trait Implementations§
Auto Trait Implementations§
impl<C> Freeze for TrieWalker<C>where
C: Freeze,
impl<C> !RefUnwindSafe for TrieWalker<C>
impl<C> Send for TrieWalker<C>where
C: Send,
impl<C> Sync for TrieWalker<C>where
C: Sync,
impl<C> Unpin for TrieWalker<C>where
C: Unpin,
impl<C> !UnwindSafe for TrieWalker<C>
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