Add storage cache for child trie and notification internals (#2639)

* child cache, and test failing notifications

* fix tests and no listen child on top wildcard

* remove useless method

* bump impl version

* Update core/client/src/notifications.rs

Co-Authored-By: Tomasz Drwięga <tomusdrw@users.noreply.github.com>

* Update core/client/src/notifications.rs

Co-Authored-By: Tomasz Drwięga <tomusdrw@users.noreply.github.com>

* Update core/client/src/notifications.rs

Co-Authored-By: Tomasz Drwięga <tomusdrw@users.noreply.github.com>

* Update core/client/src/notifications.rs

Co-Authored-By: Tomasz Drwięga <tomusdrw@users.noreply.github.com>

* factoring notification methods to remove some redundant code.

* test child sub removal

* HStorage implementation and some type alias.

* Remove HStorage cache: does not fit

* fix removal

* Make cache use byte length (shared) instead of number of kv

* Make use of hashes cache in rpc

* applying ratio on different lru caches

* Fix format

* break a line

* Remove per element overhead of lru cache.

* typo
This commit is contained in:
cheme
2019-06-14 11:25:20 +02:00
committed by Gavin Wood
parent 5c3d1f82cd
commit e777038418
16 changed files with 679 additions and 196 deletions
@@ -51,6 +51,11 @@ pub trait Backend<H: Hasher> {
/// Get keyed child storage or None if there is nothing associated.
fn child_storage(&self, storage_key: &[u8], key: &[u8]) -> Result<Option<Vec<u8>>, Self::Error>;
/// Get child keyed storage value hash or None if there is nothing associated.
fn child_storage_hash(&self, storage_key: &[u8], key: &[u8]) -> Result<Option<H::Out>, Self::Error> {
self.child_storage(storage_key, key).map(|v| v.map(|v| H::hash(&v)))
}
/// true if a key exists in storage.
fn exists_storage(&self, key: &[u8]) -> Result<bool, Self::Error> {
Ok(self.storage(key)?.is_some())