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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
Download Patch File Download Diff File Expand all files Collapse all files
substrate/frame/support/src/storage/generator/double_map.rs
+19 -2
View File
@@ -202,11 +202,28 @@ where
unhashed::kill(&Self::storage_double_map_final_key(k1, k2))
}
fn remove_prefix<KArg1>(k1: KArg1, limit: Option<u32>) -> sp_io::KillStorageResult
fn remove_prefix<KArg1>(k1: KArg1, maybe_limit: Option<u32>) -> sp_io::KillStorageResult
where
KArg1: EncodeLike<K1>,
{
unhashed::kill_prefix(Self::storage_double_map_final_key1(k1).as_ref(), limit)
unhashed::clear_prefix(Self::storage_double_map_final_key1(k1).as_ref(), maybe_limit, None)
.into()
}
fn clear_prefix<KArg1>(
k1: KArg1,
limit: u32,
maybe_cursor: Option<&[u8]>,
) -> sp_io::MultiRemovalResults
where
KArg1: EncodeLike<K1>,
{
unhashed::clear_prefix(
Self::storage_double_map_final_key1(k1).as_ref(),
Some(limit),
maybe_cursor,
)
.into()
}
fn iter_prefix_values<KArg1>(k1: KArg1) -> storage::PrefixIterator<V>
substrate/frame/support/src/storage/generator/nmap.rs
+16 -1
View File
@@ -183,7 +183,22 @@ where
where
K: HasKeyPrefix<KP>,
{
unhashed::kill_prefix(&Self::storage_n_map_partial_key(partial_key), limit)
unhashed::clear_prefix(&Self::storage_n_map_partial_key(partial_key), limit, None).into()
}
fn clear_prefix<KP>(
partial_key: KP,
limit: u32,
maybe_cursor: Option<&[u8]>,
) -> sp_io::MultiRemovalResults
where
K: HasKeyPrefix<KP>,
{
unhashed::clear_prefix(
&Self::storage_n_map_partial_key(partial_key),
Some(limit),
maybe_cursor,
)
}
fn iter_prefix_values<KP>(partial_key: KP) -> PrefixIterator<V>