remove & add TODO

Author: cowlicks

src/common/node.rs

@@ -23,6 +23,8 @@ pub struct Node {
     /// This node's index in the Merkle tree
     pub(crate) index: u64,
     /// Hash of the data in this node
+    // TODO make this [u8; 32] like:
+    // https://github.com/holepunchto/hypercore/blob/d21ebdeca1b27eb4c2232f8af17d5ae939ee97f2/lib/messages.js#L246
     pub(crate) hash: Vec<u8>,
     /// Number of bytes in this [`Node::data`]
     pub(crate) length: u64,

src/oplog/mod.rs

@@ -304,9 +304,6 @@ impl Oplog {
 
         let mut size = len * LEADER_SIZE;
 
-        // TODO:  should I add back the fn sum_encoded_size(&[impl CompactEncoding])-> usize?
-        // it could be used here. I thought there would not be a case where we were encoding a
-        // runtime defined number of types in a row and it not be as a Vec (length prefixed) thing
         for e in batch.iter() {
             size += e.encoded_size()?;
         }