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Address majority of Michael's comments

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This commit is contained in:
Paul Hauner
2020-01-29 13:18:20 +11:00
parent 023ce333a1
commit e1c32e1489
4 changed files with 10 additions and 11 deletions
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10
eth2/proto_array_fork_choice/src/proto_array.rs
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@@ -34,12 +34,12 @@ impl ProtoArray {
/// the best-child of each parent.
///
/// The structure of the `self.nodes` array ensures that the child of each node is always
/// touched before it's parent.
/// touched before its parent.
///
/// For each node, the following is done:
///
/// - Update the nodes weight with the corresponding delta.
/// - Back-propgrate each nodes delta to its parents delta.
/// - Update the node's weight with the corresponding delta.
/// - Back-propagate each node's delta to its parents delta.
/// - Compare the current node with the parents best-child, updating it if the current node
/// should become the best child.
/// - If required, update the parents best-descendant with the current node or its best-descendant.
@@ -63,7 +63,7 @@ impl ProtoArray {
// Iterate backwards through all indices in `self.nodes`.
for node_index in (0..self.nodes.len()).rev() {
let node = &mut self
let node = self
.nodes
.get_mut(node_index)
.ok_or_else(|| Error::InvalidNodeIndex(node_index))?;
@@ -108,7 +108,7 @@ impl ProtoArray {
.get_mut(parent_index)
.ok_or_else(|| Error::InvalidParentDelta(parent_index))?;
// Back-propogate the nodes delta to its parent.
// Back-propagate the nodes delta to its parent.
*parent_delta += node_delta;
self.maybe_update_best_child_and_descendant(parent_index, node_index)?;

2
eth2/proto_array_fork_choice/src/proto_array_fork_choice.rs
View File

@@ -261,7 +261,7 @@ fn compute_deltas(
// of our tree (i.e., pre-finalization) and therefore not interesting.
if let Some(current_delta_index) = indices.get(&vote.current_root).copied() {
let delta = deltas
.get_mut(current_delta_index)
.get(current_delta_index)
.ok_or_else(|| Error::InvalidNodeDelta(current_delta_index))?
.checked_sub(old_balance as i64)
.ok_or_else(|| Error::DeltaOverflow(current_delta_index))?;