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Switch contract storage to child trie (#2002)

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This commit is contained in:
cheme
2019-03-22 18:01:06 +01:00
committed by Sergei Pepyakin
parent 704d2a49c7
commit dd47be51c3
23 changed files with 363 additions and 86 deletions
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substrate/core/state-machine/src/testing.rs
+12 -5
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@@ -107,6 +107,9 @@ impl<H: Hasher> From< HashMap<Vec<u8>, Vec<u8>> > for TestExternalities<H> where
}
}
// TODO child test primitives are currently limited to `changes` (for non child the way
// things are defined seems utterly odd to (put changes in changes but never make them
// available for read through inner)
impl<H: Hasher> Externalities<H> for TestExternalities<H> where H::Out: Ord + HeapSizeOf {
fn storage(&self, key: &[u8]) -> Option<Vec<u8>> {
match key {
@@ -115,8 +118,8 @@ impl<H: Hasher> Externalities<H> for TestExternalities<H> where H::Out: Ord + He
}
}
fn child_storage(&self, _storage_key: &[u8], _key: &[u8]) -> Option<Vec<u8>> {
None
fn child_storage(&self, storage_key: &[u8], key: &[u8]) -> Option<Vec<u8>> {
self.changes.child_storage(storage_key, key)?.map(Vec::from)
}
fn place_storage(&mut self, key: Vec<u8>, maybe_value: Option<Vec<u8>>) {
@@ -132,11 +135,15 @@ impl<H: Hasher> Externalities<H> for TestExternalities<H> where H::Out: Ord + He
}
}
fn place_child_storage(&mut self, _storage_key: Vec<u8>, _key: Vec<u8>, _value: Option<Vec<u8>>) -> bool {
false
fn place_child_storage(&mut self, storage_key: Vec<u8>, key: Vec<u8>, value: Option<Vec<u8>>) -> bool {
self.changes.set_child_storage(storage_key, key, value);
// TODO place_child_storage and set_child_storage should always be valid (create child on set)?
true
}
fn kill_child_storage(&mut self, _storage_key: &[u8]) { }
fn kill_child_storage(&mut self, storage_key: &[u8]) {
self.changes.clear_child_storage(storage_key);
}
fn clear_prefix(&mut self, prefix: &[u8]) {
self.changes.clear_prefix(prefix);