diff options
Diffstat (limited to 'src/hash_chain.rs')
| -rw-r--r-- | src/hash_chain.rs | 18 |
1 files changed, 7 insertions, 11 deletions
diff --git a/src/hash_chain.rs b/src/hash_chain.rs index 9beb60b..0fe2c1d 100644 --- a/src/hash_chain.rs +++ b/src/hash_chain.rs @@ -63,10 +63,7 @@ impl<T: Encode> HashChain<T> { .iter() .enumerate() .all(|(prev_hash, (pred_prev_hash, _))| { - let prev_hash = Self::hash_item({ - let prev_hash = &self.data[prev_hash - 1]; - (&prev_hash.0, &prev_hash.1) - }); + let prev_hash = Self::hash_o_item(&self.data[prev_hash - 1]); prev_hash == *pred_prev_hash }) } @@ -81,12 +78,7 @@ impl<T: Encode> HashChain<T> { let prev_hashes: Vec<_> = (pos..self .data .len()) - .map(|i| { - Self::hash_item({ - let prev_hash = &self.data[i - 1]; - (&prev_hash.0, &prev_hash.1) - }) - }) + .map(|i| Self::hash_o_item(&self.data[i - 1])) .collect(); self.data[pos..] @@ -100,13 +92,17 @@ impl<T: Encode> HashChain<T> { }); } - fn hash_item(data: (&Vec<u8>, &T)) -> Vec<u8> { + pub fn hash_item(data: (&Vec<u8>, &T)) -> Vec<u8> { let mut hasher = Sha256::new(); hasher.update(bincode::encode_to_vec(data, bincode::config::standard()).unwrap()); hasher .finalize() .to_vec() } + + pub fn hash_o_item(data: &(Vec<u8>, T)) -> Vec<u8> { + Self::hash_item((&data.0, &data.1)) + } } impl<T: Encode> Deref for HashChain<T> { |