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feat(hashing): fill o with 0s placeholders #146

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Signed-off-by: Johns Beharry <johns@peakshift.com>
This commit is contained in:
Johns Beharry 2019-01-11 19:45:31 -04:00
parent 3411f54c2e
commit 998e2ed7eb
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GPG Key ID: EC114974742E2178
1 changed files with 5 additions and 4 deletions
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9
beacon_chain/utils/hashing/src/merkle_root.rs
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@ -1,8 +1,9 @@
use types::{Hash256}
use hashing::canonical_hash;
fn merkle_root(values: Vec<>) -> Hash256 {
let o = values.len();
fn merkle_root(values: Vec<T>) -> Hash256 {
let mut o = vec![0; values.len()];
o.append(values);
for v in &values {
canonical_hash(v.as_bytes());
@ -19,8 +20,8 @@ mod tests {
let test_leaf_2 = canonical_hash(values[1]);
let test_leaf_3 = canonical_hash(values[2]);
let test_leaf_4 = canonical_hash(values[3]);
let test_node_1 = canonical_hash(vec![test_leaf_1, test_leaf_2]);
let test_node_2 = canonical_hash(vec![test_leaf_3, test_leaf_4]);
let test_node_1 = canonical_hash(vec![test_leaf_4, test_leaf_3]);
let test_node_2 = canonical_hash(vec![test_leaf_2, test_leaf_1]);
let test_root = canonical_hash(vec![test_node_1, test_node_2]);
let result = merkle_root(values);