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Clear up warnings.

This commit is contained in:
Gav Wood 2015-12-02 23:00:36 +01:00
parent 8b481d5e11
commit 1b41b96dd1
1 changed files with 5 additions and 10 deletions
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15
src/trie.rs
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@ -548,6 +548,7 @@ impl TrieDB {
_ => panic!("Invalid RLP for node: {:?}", old.pretty()),
}
}
fn encoded(n: MaybeChanged) -> Bytes {
match n {
MaybeChanged::Same(n) => n.encoded(),
@ -555,12 +556,6 @@ impl TrieDB {
}
}
fn ensure_is_changed(n: MaybeChanged) -> MaybeChanged {
match n {
MaybeChanged::Same(n) => MaybeChanged::Changed(n.encoded()),
f => f,
}
}
fn fixed_indirection<'a>(n: Node<'a>, diff: &mut Diff) -> MaybeChanged<'a> {
match n {
Node::Extension(partial, payload) if payload.len() >= 32 => {
@ -666,7 +661,7 @@ impl TrieDB {
match (n, partial.is_empty()) {
(Node::Empty, _) => None,
(Node::Branch(nodes, None), true) => { None },
(Node::Branch(_, None), true) => { None },
(Node::Branch(nodes, _), true) => Some(Self::encoded(self.fixed(Node::Branch(nodes, None), diff))), // matched as leaf-branch - give back fixed branch with it.
(Node::Branch(nodes, value), false) => {
// Branch with partial left - route, clear, fix.
@ -680,16 +675,16 @@ impl TrieDB {
Self::encoded(self.fixed(Node::Branch(new_nodes, value), diff))
})
},
(Node::Leaf(node_partial, node_value), _) => {
(Node::Leaf(node_partial, _), _) => {
match node_partial.common_prefix(partial) {
cp if cp == partial.len() => Some(Node::Empty.encoded()), // leaf to be deleted - delete it :)
cp => None, // anything else and the key doesn't exit - no change.
_ => None, // anything else and the key doesn't exit - no change.
}
},
(Node::Extension(node_partial, node_payload), _) => {
match node_partial.common_prefix(partial) {
cp if cp < partial.len() => None, // key in the middle of an extension - doesn't exist.
cp => {
_ => {
// key at end of extension - skip, clear, fix
self.cleared(self.get_node(node_payload), &partial.mid(node_partial.len()), diff).map(|new_payload| {
// downsteam node needed to be changed.