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Move leaf node creation into separate fn

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This commit is contained in:
Paul Hauner
2019-04-28 20:30:48 +10:00
parent 58308e3dc5
commit 68b36787e2
2 changed files with 47 additions and 54 deletions
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17
eth2/utils/cached_tree_hash/src/impls/vec.rs
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@@ -147,11 +147,18 @@ pub fn update_tree_hash_cache<T: CachedTreeHash<T>>(
}
}
TreeHashType::Container | TreeHashType::List | TreeHashType::Vector => {
for i in 0..std::cmp::max(new_overlay.num_leaf_nodes(), old_overlay.num_leaf_nodes()) {
match (
old_overlay.get_leaf_node(i + old_overlay.num_internal_nodes())?,
new_overlay.get_leaf_node(i + new_overlay.num_internal_nodes())?,
) {
let longest_len =
std::cmp::max(new_overlay.num_leaf_nodes(), old_overlay.num_leaf_nodes());
let old_leaf_nodes = old_overlay.get_leaf_nodes(longest_len);
let new_leaf_nodes = if old_overlay == new_overlay {
old_leaf_nodes.clone()
} else {
new_overlay.get_leaf_nodes(longest_len)
};
for i in 0..longest_len {
match (&old_leaf_nodes[i], &new_leaf_nodes[i]) {
// The item existed in the previous list and exists in the current list.
//
// Update the item.