Fix TODO's in docs

Also fix some small lints

src/common/node.rs

@@ -14,16 +14,21 @@ pub(crate) struct NodeByteRange {
     pub(crate) length: u64,
 }
 
-/// Nodes that are persisted to disk.
+/// Nodes of the Merkle Tree that are persisted to disk.
 // TODO: replace `hash: Vec<u8>` with `hash: Hash`. This requires patching /
 // rewriting the Blake2b crate to support `.from_bytes()` to serialize from
 // disk.
 #[derive(Debug, Clone, PartialEq, Eq)]
 pub struct Node {
+    /// This node's index in the Merkle tree
     pub(crate) index: u64,
+    /// Hash of the data in this node
     pub(crate) hash: Vec<u8>,
+    /// Number of bytes in this [`Node::data`]
     pub(crate) length: u64,
+    /// Index of this nodes parent
     pub(crate) parent: u64,
+    /// Hypercore's data. Can be receieved after the rest of the node, so it's optional.
     pub(crate) data: Option<Vec<u8>>,
     pub(crate) blank: bool,
 }

src/common/peer.rs

@@ -1,6 +1,7 @@
 //! Types needed for passing information with with peers.
 //! hypercore-protocol-rs uses these types and wraps them
 //! into wire messages.
+
 use crate::Node;
 
 #[derive(Debug, Clone, PartialEq)]
@@ -20,7 +21,7 @@ pub struct RequestSeek {
 }
 
 #[derive(Debug, Clone, PartialEq)]
-/// Request of a DataUpgrade from peer
+/// Request for a DataUpgrade from peer
 pub struct RequestUpgrade {
     /// Hypercore start index
     pub start: u64,
@@ -79,7 +80,7 @@ pub struct DataBlock {
     pub index: u64,
     /// Data block value in bytes
     pub value: Vec<u8>,
-    /// TODO: document
+    /// Nodes of the merkle tree
     pub nodes: Vec<Node>,
 }
 
@@ -104,11 +105,11 @@ pub struct DataSeek {
 #[derive(Debug, Clone, PartialEq)]
 /// TODO: Document
 pub struct DataUpgrade {
-    /// TODO: Document
+    /// Starting block of this upgrade response
     pub start: u64,
-    /// TODO: Document
+    /// Number of blocks in this upgrade response
     pub length: u64,
-    /// TODO: Document
+    /// The nodes of the merkle tree
     pub nodes: Vec<Node>,
     /// TODO: Document
     pub additional_nodes: Vec<Node>,

src/storage/mod.rs

@@ -147,11 +147,7 @@ impl Storage {
                             instruction.index,
                             &buf,
                         )),
-                        Err(RandomAccessError::OutOfBounds {
-                            offset: _,
-                            end: _,
-                            length,
-                        }) => {
+                        Err(RandomAccessError::OutOfBounds { length, .. }) => {
                             if instruction.allow_miss {
                                 Ok(StoreInfo::new_content_miss(
                                     instruction.store.clone(),

src/tree/merkle_tree_changeset.rs

@@ -10,8 +10,8 @@ use crate::{
 /// first create the changes to this changeset, get out information from this to put to the oplog,
 /// and the commit the changeset to the tree.
 ///
-/// This is called "MerkleTreeBatch" in Javascript, see:
-/// https://github.com/hypercore-protocol/hypercore/blob/master/lib/merkle-tree.js
+/// This is called "MerkleTreeBatch" in Javascript, source
+/// [here](https://github.com/holepunchto/hypercore/blob/88a1a2f1ebe6e33102688225516c4e882873f710/lib/merkle-tree.js#L44).
 #[derive(Debug)]
 pub(crate) struct MerkleTreeChangeset {
     pub(crate) length: u64,