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

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* 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
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substrate/core/client/src/backend.rs
+12 -2
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@@ -28,6 +28,12 @@ use hash_db::Hasher;
use trie::MemoryDB;
use parking_lot::Mutex;
/// In memory array of storage values.
pub type StorageCollection = Vec<(Vec<u8>, Option<Vec<u8>>)>;
/// In memory arrays of storage values for multiple child tries.
pub type ChildStorageCollection = Vec<(Vec<u8>, StorageCollection)>;
/// State of a new block.
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub enum NewBlockState {
@@ -82,8 +88,12 @@ pub trait BlockImportOperation<Block, H> where
fn update_db_storage(&mut self, update: <Self::State as StateBackend<H>>::Transaction) -> error::Result<()>;
/// Inject storage data into the database replacing any existing data.
fn reset_storage(&mut self, top: StorageOverlay, children: ChildrenStorageOverlay) -> error::Result<H::Out>;
/// Set top level storage changes.
fn update_storage(&mut self, update: Vec<(Vec<u8>, Option<Vec<u8>>)>) -> error::Result<()>;
/// Set storage changes.
fn update_storage(
&mut self,
update: StorageCollection,
child_update: ChildStorageCollection,
) -> error::Result<()>;
/// Inject changes trie data into the database.
fn update_changes_trie(&mut self, update: MemoryDB<H>) -> error::Result<()>;
/// Insert auxiliary keys. Values are `None` if should be deleted.