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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/primitives/tasks/src/async_externalities.rs
+16 -5
View File
@@ -22,7 +22,7 @@ use sp_core::{
storage::{ChildInfo, StateVersion, TrackedStorageKey},
traits::{Externalities, RuntimeSpawn, RuntimeSpawnExt, SpawnNamed, TaskExecutorExt},
};
use sp_externalities::{Extensions, ExternalitiesExt as _};
use sp_externalities::{Extensions, ExternalitiesExt as _, MultiRemovalResults};
use std::any::{Any, TypeId};
/// Simple state-less externalities for use in async context.
@@ -105,11 +105,21 @@ impl Externalities for AsyncExternalities {
panic!("`place_child_storage`: should not be used in async externalities!")
}
fn kill_child_storage(&mut self, _child_info: &ChildInfo, _limit: Option<u32>) -> (bool, u32) {
fn kill_child_storage(
&mut self,
_child_info: &ChildInfo,
_maybe_limit: Option<u32>,
_maybe_cursor: Option<&[u8]>,
) -> MultiRemovalResults {
panic!("`kill_child_storage`: should not be used in async externalities!")
}
fn clear_prefix(&mut self, _prefix: &[u8], _limit: Option<u32>) -> (bool, u32) {
fn clear_prefix(
&mut self,
_prefix: &[u8],
_maybe_limit: Option<u32>,
_maybe_cursor: Option<&[u8]>,
) -> MultiRemovalResults {
panic!("`clear_prefix`: should not be used in async externalities!")
}
@@ -117,8 +127,9 @@ impl Externalities for AsyncExternalities {
&mut self,
_child_info: &ChildInfo,
_prefix: &[u8],
_limit: Option<u32>,
) -> (bool, u32) {
_maybe_limit: Option<u32>,
_maybe_cursor: Option<&[u8]>,
) -> MultiRemovalResults {
panic!("`clear_child_prefix`: should not be used in async externalities!")
}