AddedRemovedKeys

reth_trie_common::proof

Struct AddedRemovedKeys 

pub struct AddedRemovedKeys { /* private fields */ }
Expand description

Provides added and removed keys for an account or storage trie.

Used by the crate::proof::ProofRetainer to determine which nodes may be ancestors of newly added or removed leaves. This information allows for generation of more complete proofs which include the nodes necessary for adding and removing leaves from the trie.

Implementations§

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impl AddedRemovedKeys

pub fn with_assume_added(self, assume_added: bool) -> AddedRemovedKeys

Sets the assume_added flag, which can be used instead of insert_added if exact additions aren’t known and you want to optimistically collect all proofs which might be necessary.

pub fn insert_removed(&mut self, key: FixedBytes<32>)

Sets the key as being a removed key. This removes the key from the added_keys set if it was previously inserted into it.

pub fn remove_removed(&mut self, key: &FixedBytes<32>)

Unsets the key as being a removed key.

pub fn insert_added(&mut self, key: FixedBytes<32>)

Sets the key as being an added key. This removes the key from the removed_keys set if it was previously inserted into it.

pub fn clear_added(&mut self)

Clears all keys which have been added via insert_added.

pub fn is_removed(&self, path: &FixedBytes<32>) -> bool

Returns true if the given key path is marked as removed.

pub fn is_added(&self, path: &FixedBytes<32>) -> bool

Returns true if the given key path is marked as added.

pub fn is_prefix_added(&self, prefix: &Nibbles) -> bool

Returns true if the given path prefix is the prefix of an added key.

pub fn get_removed_mask(&self, branch_path: &Nibbles) -> TrieMask

Returns a mask containing a bit set for each child of the branch which is a prefix of a removed leaf.

Trait Implementations§

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impl AsRef<AddedRemovedKeys> for AddedRemovedKeys

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fn as_ref(&self) -> &AddedRemovedKeys

Converts this type into a shared reference of the (usually inferred) input type.
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impl Clone for AddedRemovedKeys

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fn clone(&self) -> AddedRemovedKeys

Returns a duplicate of the value. Read more
1.0.0 · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for AddedRemovedKeys

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fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter. Read more
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impl Default for AddedRemovedKeys

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fn default() -> AddedRemovedKeys

Returns the “default value” for a type. Read more

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Size: 88 bytes