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Tidy and add docs for cached tree hash

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This commit is contained in:
Paul Hauner
2019-04-29 17:46:01 +10:00
parent f622aa0b65
commit 84d72cfed6
15 changed files with 292 additions and 159 deletions
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2
eth2/utils/tree_hash_derive/src/lib.rs
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@@ -58,7 +58,7 @@ pub fn subtree_derive(input: TokenStream) -> TokenStream {
let output = quote! {
impl cached_tree_hash::CachedTreeHash for #name {
fn new_tree_hash_cache(&self, depth: usize) -> Result<cached_tree_hash::TreeHashCache, cached_tree_hash::Error> {
let tree = cached_tree_hash::TreeHashCache::from_leaves_and_subtrees(
let tree = cached_tree_hash::TreeHashCache::from_subtrees(
self,
vec![
#(

10
eth2/utils/tree_hash_derive/tests/tests.rs
View File

@@ -1,4 +1,4 @@
use cached_tree_hash::{CachedTreeHash, CachedTreeHasher};
use cached_tree_hash::{CachedTreeHash, TreeHashCache};
use tree_hash::{merkleize::merkle_root, SignedRoot, TreeHash};
use tree_hash_derive::{CachedTreeHash, SignedRoot, TreeHash};
@@ -12,16 +12,16 @@ pub struct Inner {
fn test_standard_and_cached<T: CachedTreeHash>(original: &T, modified: &T) {
// let mut cache = original.new_tree_hash_cache().unwrap();
let mut hasher = CachedTreeHasher::new(original).unwrap();
let mut cache = TreeHashCache::new(original).unwrap();
let standard_root = original.tree_hash_root();
let cached_root = hasher.tree_hash_root().unwrap();
let cached_root = cache.tree_hash_root().unwrap();
assert_eq!(standard_root, cached_root);
// Test after a modification
hasher.update(modified).unwrap();
cache.update(modified).unwrap();
let standard_root = modified.tree_hash_root();
let cached_root = hasher.tree_hash_root().unwrap();
let cached_root = cache.tree_hash_root().unwrap();
assert_eq!(standard_root, cached_root);
}