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rust-bitcoin-unsafe-fast
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taproot: add TapNodeHash getter method on TapTree and NodeInfo 

Fixes a gap in the API of the taproot module. Callers can now use
TapTree::root_hash or NodeInfo::node_hash to extract the taproot
tree merkle root hash for fast validation without any ECC overhead.
This commit is contained in:
conduition 2024-02-11 17:14:13 +00:00
parent 8f7cc4d6b3
commit 1384330029
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1 changed files with 6 additions and 0 deletions
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6
bitcoin/src/taproot/mod.rs
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@ -693,6 +693,9 @@ impl TapTree {
/// Returns [`TapTreeIter<'_>`] iterator for a taproot script tree, operating in DFS order over /// Returns [`TapTreeIter<'_>`] iterator for a taproot script tree, operating in DFS order over
/// tree [`ScriptLeaf`]s. /// tree [`ScriptLeaf`]s.
pub fn script_leaves(&self) -> ScriptLeaves { ScriptLeaves { leaf_iter: self.0.leaf_nodes() } } pub fn script_leaves(&self) -> ScriptLeaves { ScriptLeaves { leaf_iter: self.0.leaf_nodes() } }
/// Returns the root [`TapNodeHash`] of this tree.
pub fn root_hash(&self) -> TapNodeHash { self.0.hash }
} }
impl TryFrom<TaprootBuilder> for TapTree { impl TryFrom<TaprootBuilder> for TapTree {
@ -842,6 +845,9 @@ impl NodeInfo {
/// Creates an iterator over all leaves (including hidden leaves) in the tree. /// Creates an iterator over all leaves (including hidden leaves) in the tree.
pub fn leaf_nodes(&self) -> LeafNodes { LeafNodes { leaf_iter: self.leaves.iter() } } pub fn leaf_nodes(&self) -> LeafNodes { LeafNodes { leaf_iter: self.leaves.iter() } }
/// Returns the root [`TapNodeHash`] of this node info.
pub fn node_hash(&self) -> TapNodeHash { self.hash }
} }
impl TryFrom<TaprootBuilder> for NodeInfo { impl TryFrom<TaprootBuilder> for NodeInfo {