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make build_subtree also return the next leaf row

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This commit is contained in:
Qyriad 2024-10-28 14:06:49 -06:00
parent 125aa9c96e
commit d23cce314e
3 changed files with 6 additions and 6 deletions
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4
benches/smt-subtree.rs
View file

@ -52,7 +52,7 @@ fn smt_subtree_even(c: &mut Criterion) {
},
|leaves| {
// Benchmarked function.
let subtree =
let (subtree, _) =
Smt::build_subtree(hint::black_box(leaves), hint::black_box(SMT_DEPTH));
assert!(!subtree.is_empty());
},
@ -100,7 +100,7 @@ fn smt_subtree_random(c: &mut Criterion) {
leaves
},
|leaves| {
let subtree =
let (subtree, _) =
Smt::build_subtree(hint::black_box(leaves), hint::black_box(SMT_DEPTH));
assert!(!subtree.is_empty());
},

2
src/merkle/smt/full/mod.rs
View file

@ -253,7 +253,7 @@ impl Smt {
pub fn build_subtree(
leaves: Vec<(u64, RpoDigest)>,
bottom_depth: u8,
) -> BTreeMap<NodeIndex, InnerNode> {
) -> (BTreeMap<NodeIndex, InnerNode>, Vec<(u64, RpoDigest)>) {
<Self as SparseMerkleTree<SMT_DEPTH>>::build_subtree(leaves, bottom_depth)
}
}

6
src/merkle/smt/mod.rs
View file

@ -361,7 +361,7 @@ pub(crate) trait SparseMerkleTree<const DEPTH: u8> {
fn build_subtree(
mut leaves: Vec<(u64, RpoDigest)>,
bottom_depth: u8,
) -> BTreeMap<NodeIndex, InnerNode> {
) -> (BTreeMap<NodeIndex, InnerNode>, Vec<(u64, RpoDigest)>) {
debug_assert!(bottom_depth <= DEPTH);
debug_assert!(bottom_depth.is_multiple_of(&8));
debug_assert!(leaves.len() <= usize::pow(2, 8));
@ -445,7 +445,7 @@ pub(crate) trait SparseMerkleTree<const DEPTH: u8> {
mem::swap(&mut leaves, &mut next_leaves);
}
inner_nodes
(inner_nodes, leaves)
}
}
@ -618,7 +618,7 @@ mod test {
leaves.sort();
leaves.dedup_by_key(|leaf| leaf.0);
let first_subtree = Smt::build_subtree(leaves, SMT_DEPTH);
let (first_subtree, _) = Smt::build_subtree(leaves, SMT_DEPTH);
assert!(!first_subtree.is_empty());
for (index, node) in first_subtree.into_iter() {