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Fix key collision for child trie (#4162)

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* In progress, runtime io must switch to future proof root +
child_specific (unique id) + u32 type.

* Switch interface, sr-io seems ok, rpc could use similar interface to
sr-io, genesis json broken if there is child trie in existing encoding
genesis.

* test from previous implementation.

* fix proving test.

* Restore Keyspacedb from other branch, only apply to child trie.

* Removing unneeded child_info from child root (child info are stored
if things changed, otherwhise the root does not change).

* Switch rpc to use same format as ext: more future proof.

* use root from child info for trie backend essence.

* Breaking long lines.

* Update doc and clean pr a bit.

* fix error type

* Restore removed doc on merge and update sr-io doc.

* Switch child storage api to use directly unique id, if managed id
where to be put in place, the api will change at this time.

* Clean deprecated host interface from child.

* Removing assertion on child info (can fail depending on root
memoization).

* merging child info in the overlay when possible.

* child iteration by prefix using child_info.

* Using ChainInfo in frame support. ChainInfo gets redesign to avoid
buffers allocation on every calls.

* Add length of root to the data of child info.

* comments

* Encode compact.

* Remove child info with root.

* Fix try_update condition.

* Comment Ext child root caching.

* Replace tuples by struct with field

* remove StorageTuple alias.

* Fix doc tests, and remove StorageOverlay and ChildStorageOverlay
aliases.
This commit is contained in:
cheme
2019-12-14 03:11:19 +01:00
committed by Gavin Wood
parent 7121837f84
commit 0ece5d9e17
53 changed files with 2121 additions and 918 deletions
Download Patch File Download Diff File Expand all files Collapse all files
substrate/frame/support/test/tests/instance.rs
+5 -2
View File
@@ -300,7 +300,10 @@ fn new_test_ext() -> sp_io::TestExternalities {
#[test]
fn storage_instance_independance() {
let mut storage = Default::default();
let mut storage = primitives::storage::Storage {
top: std::collections::BTreeMap::new(),
children: std::collections::HashMap::new()
};
state_machine::BasicExternalities::execute_with_storage(&mut storage, || {
module2::Value::<Runtime>::put(0);
module2::Value::<Runtime, module2::Instance1>::put(0);
@@ -320,7 +323,7 @@ fn storage_instance_independance() {
module2::DoubleMap::<module2::Instance3>::insert(&0, &0, &0);
});
// 16 storage values + 4 linked_map head.
assert_eq!(storage.0.len(), 16 + 4);
assert_eq!(storage.top.len(), 16 + 4);
}
#[test]