gnosis/lighthouse
1
0
Fork 0
mirror of https://github.com/sigp/lighthouse.git synced 2026-03-22 06:14:38 +00:00
Code Issues Packages Projects Releases Wiki Activity

Add progress

Browse Source
This commit is contained in:
Paul Hauner
2020-01-07 12:34:41 +11:00
parent 92e7b601b5
commit c5ee929439
1 changed files with 30 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

39
eth2/lmd_ghost/src/proto_array.rs
View File

@@ -125,6 +125,7 @@ impl ProtoArray {
};
}
// back-prop best-child/target updates
for i in (start..d.len()).rev() {
if let Some(best_child) = self.get_best_child(i)? {
// TODO: array access safety
@@ -144,7 +145,6 @@ impl ProtoArray {
if self.weights[i] > self.weights[best_child_of_parent] {
self.best_child[parent] = Some(i)
}
// Do thing
}
} else {
// TODO: what is this?
@@ -225,23 +225,44 @@ impl ProtoArray {
// TODO: safe array access.
self.best_descendant[i].saturating_sub(start);
if let Some(parent) = self.parents[i] {
self.parents[i] = if let Some(parent) = self.parents[i] {
if parent < start {
parent = None
None
} else {
// TODO: what happens if this becomes negative?? Safety issue.
parent -= start
Some(parent.saturating_sub(start))
}
}
} else {
None
};
self.indices
.get_mut(n.block_root)
.ok_or_else(|| Error::NodeUnknown(n.block_root))? -= start
*self
.indices
.get_mut(&node.block_root)
.ok_or_else(|| Error::NodeUnknown(node.block_root))? -= start
}
Ok(())
}
pub fn head_fn(&self) -> Result<Hash256, Error> {
let mut i = *self
.indices
.get(&self.dag.finalized)
.ok_or_else(|| Error::FinalizedNodeUnknown(self.dag.finalized))?;
loop {
// TODO: safe array access.
if let Some(best_child) = self.best_child[i] {
i = best_child;
} else {
break;
}
}
// TODO: safe array access.
Ok(self.nodes[i].block_root)
}
fn check_consistency(&self) -> Result<(), Error> {
let num_nodes = self.nodes.len();
if self.best_child.len() != num_nodes {