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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/procedural/src/storage/genesis_config/mod.rs
+5 -14
View File
@@ -139,13 +139,10 @@ fn impl_build_storage(
#[cfg(feature = "std")]
impl#genesis_impl GenesisConfig#genesis_struct #genesis_where_clause {
pub fn build_storage #fn_generic (&self) -> std::result::Result<
(
#scrate::sp_runtime::StorageOverlay,
#scrate::sp_runtime::ChildrenStorageOverlay,
),
#scrate::sp_runtime::Storage,
String
> #fn_where_clause {
let mut storage = (Default::default(), Default::default());
let mut storage = Default::default();
self.assimilate_storage::<#fn_traitinstance>(&mut storage)?;
Ok(storage)
}
@@ -153,12 +150,9 @@ fn impl_build_storage(
/// Assimilate the storage for this module into pre-existing overlays.
pub fn assimilate_storage #fn_generic (
&self,
tuple_storage: &mut (
#scrate::sp_runtime::StorageOverlay,
#scrate::sp_runtime::ChildrenStorageOverlay,
),
storage: &mut #scrate::sp_runtime::Storage,
) -> std::result::Result<(), String> #fn_where_clause {
#scrate::BasicExternalities::execute_with_storage(tuple_storage, || {
#scrate::BasicExternalities::execute_with_storage(storage, || {
#( #builder_blocks )*
Ok(())
})
@@ -171,10 +165,7 @@ fn impl_build_storage(
{
fn build_module_genesis_storage(
&self,
storage: &mut (
#scrate::sp_runtime::StorageOverlay,
#scrate::sp_runtime::ChildrenStorageOverlay,
),
storage: &mut #scrate::sp_runtime::Storage,
) -> std::result::Result<(), String> {
self.assimilate_storage::<#fn_traitinstance> (storage)
}