Skip to content

Commit

Permalink
chore: Remove the getter pattern over ExtNode (#310)
Browse files Browse the repository at this point in the history 
Co-authored-by: Richard Pringle <[email protected]>
  • Loading branch information
@xinifinity @richardpringle
xinifinity and richardpringle authored Oct 6, 2023
1 parent 404a070 commit de377f1
Show file tree
Hide file tree
Showing 3 changed files with 87 additions and 100 deletions.
110 changes: 56 additions & 54 deletions firewood/src/merkle.rs
View file
Original file line number Diff line number Diff line change
Expand Up @@ -192,7 +192,7 @@ impl<S: ShaleStore<Node> + Send + Sync> Merkle<S> {
.write(|u| {
(*match &mut u.inner {
NodeType::Leaf(u) => &mut u.0,
NodeType::Extension(u) => u.path_mut(),
NodeType::Extension(u) => &mut u.path,
_ => unreachable!(),
}) = PartialPath(n_path[idx + 1..].to_vec());
u.rehash();
Expand All @@ -208,7 +208,7 @@ impl<S: ShaleStore<Node> + Send + Sync> Merkle<S> {
chd[rem_path[idx] as usize] = Some(leaf_ptr);
chd[n_path[idx] as usize] = Some(match &u_ref.inner {
NodeType::Extension(u) => {
if u.path().len() == 0 {
if u.path.len() == 0 {
deleted.push(u_ptr);
u.chd()
} else {
Expand All @@ -225,11 +225,11 @@ impl<S: ShaleStore<Node> + Send + Sync> Merkle<S> {
});
let branch_ptr = self.new_node(Node::new(t))?.as_ptr();
if idx > 0 {
self.new_node(Node::new(NodeType::Extension(ExtNode::new(
rem_path[..idx].to_vec(),
branch_ptr,
None,
))))?
self.new_node(Node::new(NodeType::Extension(ExtNode {
path: PartialPath(rem_path[..idx].to_vec()),
child: branch_ptr,
child_encoded: None,
})))?
.as_ptr()
} else {
branch_ptr
Expand Down Expand Up @@ -284,7 +284,7 @@ impl<S: ShaleStore<Node> + Send + Sync> Merkle<S> {
.write(|u| {
(*match &mut u.inner {
NodeType::Leaf(u) => &mut u.0,
NodeType::Extension(u) => u.path_mut(),
NodeType::Extension(u) => &mut u.path,
_ => unreachable!(),
}) = PartialPath(n_path[rem_path.len() + 1..].to_vec());
u.rehash();
Expand All @@ -293,7 +293,7 @@ impl<S: ShaleStore<Node> + Send + Sync> Merkle<S> {
(
match &u_ref.inner {
NodeType::Extension(u) => {
if u.path().len() == 0 {
if u.path.len() == 0 {
deleted.push(u_ptr);
u.chd()
} else {
Expand Down Expand Up @@ -331,11 +331,11 @@ impl<S: ShaleStore<Node> + Send + Sync> Merkle<S> {
})))?
.as_ptr();
if !prefix.is_empty() {
self.new_node(Node::new(NodeType::Extension(ExtNode::new(
prefix.to_vec(),
branch_ptr,
None,
))))?
self.new_node(Node::new(NodeType::Extension(ExtNode {
path: PartialPath(prefix.to_vec()),
child: branch_ptr,
child_encoded: None,
})))?
.as_ptr()
} else {
branch_ptr
Expand Down Expand Up @@ -430,7 +430,7 @@ impl<S: ShaleStore<Node> + Send + Sync> Merkle<S> {
}

NodeType::Extension(n) => {
let n_path = n.path().to_vec();
let n_path = n.path.to_vec();
let n_ptr = n.chd();
let rem_path = once(key_nib).chain(key_nibbles.clone()).collect::<Vec<_>>();
let n_path_len = n_path.len();
Expand Down Expand Up @@ -493,9 +493,9 @@ impl<S: ShaleStore<Node> + Send + Sync> Merkle<S> {
}
}
NodeType::Extension(n) => {
let idx = n.path()[0];
let more = if n.path().len() > 1 {
*n.path_mut() = PartialPath(n.path()[1..].to_vec());
let idx = n.path[0];
let more = if n.path.len() > 1 {
n.path = PartialPath(n.path[1..].to_vec());
true
} else {
false
Expand Down Expand Up @@ -591,7 +591,7 @@ impl<S: ShaleStore<Node> + Send + Sync> Merkle<S> {
// to: P -> [Leaf (v)]
let leaf = self
.new_node(Node::new(NodeType::Leaf(LeafNode(
PartialPath(n.path().clone().into_inner()),
PartialPath(n.path.clone().into_inner()),
val,
))))?
.as_ptr();
Expand All @@ -614,11 +614,11 @@ impl<S: ShaleStore<Node> + Send + Sync> Merkle<S> {
// \____[Leaf]x
// to: [p: Branch] -> [Ext] -> [Branch]
let ext = self
.new_node(Node::new(NodeType::Extension(ExtNode::new(
vec![idx],
c_ptr,
None,
))))?
.new_node(Node::new(NodeType::Extension(ExtNode {
path: PartialPath(vec![idx]),
child: c_ptr,
child_encoded: None,
})))?
.as_ptr();
self.set_parent(ext, &mut [(p_ref, p_idx)]);
}
Expand All @@ -633,7 +633,7 @@ impl<S: ShaleStore<Node> + Send + Sync> Merkle<S> {
p_ref,
|p| {
let pp = p.inner.as_extension_mut().unwrap();
pp.path_mut().0.push(idx);
pp.path.0.push(idx);
*pp.chd_mut() = c_ptr;
p.rehash();
},
Expand All @@ -655,7 +655,7 @@ impl<S: ShaleStore<Node> + Send + Sync> Merkle<S> {
let write_result = c_ref.write(|c| {
let partial_path = match &mut c.inner {
NodeType::Leaf(n) => &mut n.0,
NodeType::Extension(n) => n.path_mut(),
NodeType::Extension(n) => &mut n.path,
_ => unreachable!(),
};

Expand Down Expand Up @@ -692,11 +692,11 @@ impl<S: ShaleStore<Node> + Send + Sync> Merkle<S> {
self,
c_ref,
|c| {
let mut path = n.path().clone().into_inner();
let mut path = n.path.clone().into_inner();
path.push(idx);
let path0 = match &mut c.inner {
NodeType::Leaf(n) => &mut n.0,
NodeType::Extension(n) => n.path_mut(),
NodeType::Extension(n) => &mut n.path,
_ => unreachable!(),
};
path.extend(&**path0);
Expand Down Expand Up @@ -743,16 +743,18 @@ impl<S: ShaleStore<Node> + Send + Sync> Merkle<S> {
// from: [Branch] -> [Branch]x -> [Branch]
// to: [Branch] -> [Ext] -> [Branch]
n.chd[b_idx as usize] = Some(
self.new_node(Node::new(NodeType::Extension(
ExtNode::new(vec![idx], c_ptr, None),
)))?
self.new_node(Node::new(NodeType::Extension(ExtNode {
path: PartialPath(vec![idx]),
child: c_ptr,
child_encoded: None,
})))?
.as_ptr(),
);
}
NodeType::Extension(n) => {
// from: [Ext] -> [Branch]x -> [Branch]
// to: [Ext] -> [Branch]
n.path_mut().0.push(idx);
n.path.0.push(idx);
*n.chd_mut() = c_ptr
}
_ => unreachable!(),
Expand All @@ -777,7 +779,7 @@ impl<S: ShaleStore<Node> + Send + Sync> Merkle<S> {
let write_result = c_ref.write(|c| {
match &mut c.inner {
NodeType::Leaf(n) => &mut n.0,
NodeType::Extension(n) => n.path_mut(),
NodeType::Extension(n) => &mut n.path,
_ => unreachable!(),
}
.0
Expand All @@ -802,11 +804,11 @@ impl<S: ShaleStore<Node> + Send + Sync> Merkle<S> {
// from: P -> [Ext] -> [Branch]x -> [Leaf/Ext]
// to: P -> [Leaf/Ext]
let write_result = c_ref.write(|c| {
let mut path = n.path().clone().into_inner();
let mut path = n.path.clone().into_inner();
path.push(idx);
let path0 = match &mut c.inner {
NodeType::Leaf(n) => &mut n.0,
NodeType::Extension(n) => n.path_mut(),
NodeType::Extension(n) => &mut n.path,
_ => unreachable!(),
};
path.extend(&**path0);
Expand Down Expand Up @@ -869,7 +871,7 @@ impl<S: ShaleStore<Node> + Send + Sync> Merkle<S> {
break;
}
NodeType::Extension(n) => {
let n_path = &*n.path().0;
let n_path = &*n.path.0;
let rem_path = &chunks[i..];
if rem_path < n_path || &rem_path[..n_path.len()] != n_path {
return Ok(None);
Expand Down Expand Up @@ -990,7 +992,7 @@ impl<S: ShaleStore<Node> + Send + Sync> Merkle<S> {
return Ok(Some(RefMut::new(u_ptr, parents, self)));
}
NodeType::Extension(n) => {
let n_path = &*n.path().0;
let n_path = &*n.path.0;
let rem_path = &chunks[i..];
if rem_path.len() < n_path.len() || &rem_path[..n_path.len()] != n_path {
return Ok(None);
Expand Down Expand Up @@ -1070,7 +1072,7 @@ impl<S: ShaleStore<Node> + Send + Sync> Merkle<S> {
NodeType::Extension(n) => {
// the key passed in must match the entire remainder of this
// extension node, otherwise we break out
let n_path = n.path();
let n_path = &n.path;
let remaining_path = key_nibbles.into_iter().skip(i);
if remaining_path.size_hint().0 < n_path.len() {
// all bytes aren't there
Expand Down Expand Up @@ -1143,7 +1145,7 @@ impl<S: ShaleStore<Node> + Send + Sync> Merkle<S> {
return Ok(Some(Ref(u_ref)));
}
NodeType::Extension(n) => {
let n_path = n.path();
let n_path = &n.path;
let rem_path = key_nibbles.into_iter().skip(i);
if rem_path.size_hint().0 < n_path.len() {
return Ok(None);
Expand Down Expand Up @@ -1348,20 +1350,20 @@ mod test {
Node::new_from_hash(
None,
None,
NodeType::Extension(ExtNode::new(
vec![0x1, 0x2, 0x3],
DiskAddress::from(0x42),
None,
)),
NodeType::Extension(ExtNode {
path: PartialPath(vec![0x1, 0x2, 0x3]),
child: DiskAddress::from(0x42),
child_encoded: None,
}),
),
Node::new_from_hash(
None,
None,
NodeType::Extension(ExtNode::new(
vec![0x1, 0x2, 0x3],
DiskAddress::null(),
Some(vec![0x1, 0x2, 0x3]),
)),
NodeType::Extension(ExtNode {
path: PartialPath(vec![0x1, 0x2, 0x3]),
child: DiskAddress::null(),
child_encoded: Some(vec![0x1, 0x2, 0x3]),
}),
),
Node::new_from_hash(
None,
Expand Down Expand Up @@ -1455,11 +1457,11 @@ mod test {
let new_chd_encoded = new_chd.get_encoded(merkle.store.as_ref());
assert_eq!(chd_encoded, new_chd_encoded);

let node = Node::new(NodeType::Extension(ExtNode::new(
vec![0x1, 0x2, 0x3],
DiskAddress::null(),
Some(chd_encoded.to_vec()),
)));
let node = Node::new(NodeType::Extension(ExtNode {
path: PartialPath(vec![0x1, 0x2, 0x3]),
child: DiskAddress::null(),
child_encoded: Some(chd_encoded.to_vec()),
}));
let node_ref = merkle.new_node(node.clone()).unwrap();

let r = node_ref.get_encoded(merkle.store.as_ref());
Expand Down
Loading

0 comments on commit de377f1

Please sign in to comment.