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Slight merkle improvements

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This commit is contained in:
Luke Parker
2023-04-11 19:04:27 -04:00
parent 4d17b922fe
commit 90f67b5e54
1 changed files with 2 additions and 6 deletions
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8
coordinator/tributary/src/merkle.rs
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@@ -9,7 +9,7 @@ pub(crate) fn merkle(hash_args: &[[u8; 32]]) -> [u8; 32] {
let zero = [0; 32]; let zero = [0; 32];
let mut interim; let mut interim;
while hashes.len() > 1 { while hashes.len() > 1 {
interim = Vec::with_capacity(hashes.len() / 2); interim = Vec::with_capacity((hashes.len() + 1) / 2);
let mut i = 0; let mut i = 0;
while i < hashes.len() { while i < hashes.len() {
@@ -33,9 +33,5 @@ pub(crate) fn merkle(hash_args: &[[u8; 32]]) -> [u8; 32] {
hashes = interim; hashes = interim;
} }
let mut res = zero; hashes.get(0).copied().map(Into::into).unwrap_or(zero)
if let Some(hash) = hashes.get(0) {
res.copy_from_slice(hash.as_ref());
}
res
} }