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fix(hashing): reverse loop #146

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Signed-off-by: Johns Beharry <johns@peakshift.com>
This commit is contained in:
Johns Beharry 2019-01-12 10:38:58 -04:00
parent 998e2ed7eb
commit fa2bae4cc1
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GPG Key ID: EC114974742E2178
1 changed files with 2 additions and 1 deletions
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3
beacon_chain/utils/hashing/src/merkle_root.rs
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@ -1,11 +1,12 @@
use types::{Hash256} use types::{Hash256}
use hashing::canonical_hash; use hashing::canonical_hash;
use std::iter::range_step;
fn merkle_root(values: Vec<T>) -> Hash256 { fn merkle_root(values: Vec<T>) -> Hash256 {
let mut o = vec![0; values.len()]; let mut o = vec![0; values.len()];
o.append(values); o.append(values);
for v in &values { for v in range_step(values - 1, 0, -1) {
canonical_hash(v.as_bytes()); canonical_hash(v.as_bytes());
} }
} }