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Safe and sane multi-item storage removal (#11490)

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* Fix overlay prefix removal result

* Second part of the overlay prefix removal fix.

* Report only items deleted from storage in clear_prefix

* Fix kill_prefix

* Formatting

* Remove unused code

* Fixes

* Fixes

* Introduce clear_prefix host function v3

* Formatting

* Use v2 for now

* Fixes

* Formatting

* Docs

* Child prefix removal should also hide v3 for now

* Fixes

* Fixes

* Formatting

* Fixes

* apply_to_keys_whle takes start_at

* apply_to_keys_whle takes start_at

* apply_to_keys_whle takes start_at

* Cursor API; force limits

* Use unsafe deprecated functions

* Formatting

* Fixes

* Grumbles

* Fixes

* Docs

* Some nitpicks 🙈

* Update primitives/externalities/src/lib.rs

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

* Formatting

* Fixes

* cargo fmt

* Fixes

* Update primitives/io/src/lib.rs

Co-authored-by: Keith Yeung <kungfukeith11@gmail.com>

* Formatting

* Fixes

Co-authored-by: Bastian Köcher <info@kchr.de>
Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>
Co-authored-by: Keith Yeung <kungfukeith11@gmail.com>
This commit is contained in:
Gavin Wood
2022-05-29 12:56:26 +01:00
committed by GitHub
parent 189a310e4c
commit ecbd65fb95
45 changed files with 968 additions and 206 deletions
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substrate/client/db/src/storage_cache.rs
+4 -2
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@@ -639,9 +639,10 @@ impl<S: StateBackend<HashFor<B>>, B: BlockT> StateBackend<HashFor<B>> for Cachin
&self,
child_info: Option<&ChildInfo>,
prefix: Option<&[u8]>,
start_at: Option<&[u8]>,
f: F,
) {
self.state.apply_to_keys_while(child_info, prefix, f)
self.state.apply_to_keys_while(child_info, prefix, start_at, f)
}
fn next_storage_key(&self, key: &[u8]) -> Result<Option<Vec<u8>>, Self::Error> {
@@ -839,9 +840,10 @@ impl<S: StateBackend<HashFor<B>>, B: BlockT> StateBackend<HashFor<B>>
&self,
child_info: Option<&ChildInfo>,
prefix: Option<&[u8]>,
start_at: Option<&[u8]>,
f: F,
) {
self.caching_state().apply_to_keys_while(child_info, prefix, f)
self.caching_state().apply_to_keys_while(child_info, prefix, start_at, f)
}
fn next_storage_key(&self, key: &[u8]) -> Result<Option<Vec<u8>>, Self::Error> {