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TapTree

Enum TapTree 

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pub enum TapTree {
    Leaf(TapLeaf),
    Branch(Box<TapTree>, Box<TapTree>),
}
Expand description

A node in the Taproot Merkle tree.

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Leaf(TapLeaf)

A leaf node containing a script.

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Branch(Box<TapTree>, Box<TapTree>)

A branch node with two children.

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impl TapTree

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pub fn leaf(tap_leaf: TapLeaf) -> Self

Create a leaf node.

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pub fn branch(left: TapTree, right: TapTree) -> Self

Create a branch node from two children.

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pub fn merkle_root(&self) -> [u8; 32]

Compute the merkle root hash of this tree node.

  • Leaf: tagged_hash("TapLeaf", ...)
  • Branch: tagged_hash("TapBranch", sort(left, right))
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pub fn merkle_proof(&self, target_leaf: &TapLeaf) -> Option<Vec<[u8; 32]>>

Compute the merkle proof (path) for a specific leaf.

Returns Some(path) where path is a list of 32-byte hashes, or None if the leaf is not found in this tree.

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pub fn leaf_count(&self) -> usize

Count the total number of leaves in this tree.

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pub fn depth(&self) -> usize

Get the depth of the tree.

Trait Implementations§

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impl Clone for TapTree

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fn clone(&self) -> TapTree

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

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

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

Formats the value using the given formatter. Read more

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Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> Same for T

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type Output = T

Should always be Self
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.