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Multiple storage root support (#902)

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* Implement a non generic version of child delta trie

* Use delta_trie_root in state_machine

* Expand InMemory backend to support multi-storage

* Create Consolidate trait

* Fix all crate compile and remove unused OverlayedChanges::drain

* Implement child storage root support and overlay changes

* Add child storage reader

* Add child storage writer

* Implement child storage cleaning

* Fix light backend compile

* Add all required ext functions for wasm executor

* Add ext def to io

* Add all io functions

* Fix nostd compile

* Add simple test

* Remove unnecessary vec copy in child_storage_root_transaction

* Use values_mut/for_each to make it shorter

* Use extend to shorter a for loop

* Move record_all_keys to trie so it's easier to generic them later

* space -> tab

* Remove to_owned in debug format

* Clean out all to_owned

* Break debug_trace to multiple lines

* Remove 0..

* UserError copy/paste typo

* Replace Vec::from_raw_parts by slice::from_raw_parts

* Use iter::empty()

* Wrap some long lines

* Wrap a missing line

* Remove unnecessary map

https://github.com/paritytech/substrate/pull/856#discussion_r226222663

* Call ext_free after from_raw_parts

* Fix tests in other crates
This commit is contained in:
Wei Tang
2018-10-19 00:54:02 +08:00
committed by Gav Wood
parent 849506daa5
commit 2604474880
18 changed files with 1000 additions and 111 deletions
Download Patch File Download Diff File Expand all files Collapse all files
substrate/core/state-machine/src/changes_trie/build.rs
+3 -3
View File
@@ -73,10 +73,10 @@ fn prepare_extrinsics_input<B, H>(
where
B: Backend<H>,
H: Hasher,
{
let mut extrinsic_map = BTreeMap::<Vec<u8>, BTreeSet<u32>>::new();
for (key, val) in changes.prospective.iter().chain(changes.committed.iter()) {
for (key, val) in changes.prospective.top.iter().chain(changes.committed.top.iter()) {
let extrinsics = match val.extrinsics {
Some(ref extrinsics) => extrinsics,
None => continue,
@@ -274,7 +274,7 @@ mod test {
let (backend, storage, mut changes) = prepare_for_build();
// 110: missing from backend, set to None in overlay
changes.prospective.insert(vec![110], OverlayedValue {
changes.prospective.top.insert(vec![110], OverlayedValue {
value: None,
extrinsics: Some(vec![1].into_iter().collect())
});
substrate/core/state-machine/src/changes_trie/mod.rs
+3
View File
@@ -31,6 +31,9 @@
//! block }, containing entries for every storage key that has been changed in
//! the last N*digest_level-1 blocks (except for genesis block), mapping these keys
//! to the set of lower-level digest blocks.
//!
//! Changes trie only contains the top level storage changes. Sub-level changes
//! are propogated through its storage root on the top level storage.
mod build;
mod build_iterator;