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[Feature] Introduce storage_alias for CountedStorageMap (#13366)

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* [Feature] Introduce storagage_alias for CountedStorageMap

* bit more dry

* bit more dry

* address review comments

* some tests and fixes

* fix ui tests

* Apply suggestions from code review

Co-authored-by: Bastian Köcher <git@kchr.de>

* compare metadata

---------

Co-authored-by: parity-processbot <>
Co-authored-by: Bastian Köcher <git@kchr.de>
This commit is contained in:
Roman Useinov
2023-02-13 23:22:51 +01:00
committed by GitHub
parent eeb3e95701
commit ea70fbc7a6
6 changed files with 119 additions and 13 deletions
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substrate/frame/support/test/tests/pallet.rs
+17 -1
View File
@@ -19,7 +19,7 @@ use frame_support::{
dispatch::{
DispatchClass, DispatchInfo, GetDispatchInfo, Parameter, Pays, UnfilteredDispatchable,
},
pallet_prelude::ValueQuery,
pallet_prelude::{StorageInfoTrait, ValueQuery},
storage::unhashed,
traits::{
ConstU32, GetCallName, GetStorageVersion, OnFinalize, OnGenesis, OnInitialize,
@@ -1906,14 +1906,30 @@ fn assert_type_all_pallets_without_system_reversed_is_correct() {
#[test]
fn test_storage_alias() {
use frame_support::Twox64Concat;
#[frame_support::storage_alias]
type Value<T: pallet::Config>
where
<T as frame_system::Config>::AccountId: From<SomeType1> + SomeAssociation1,
= StorageValue<pallet::Pallet<T>, u32, ValueQuery>;
#[frame_support::storage_alias]
type SomeCountedStorageMap<T: pallet2::Config>
where
<T as frame_system::Config>::AccountId: From<SomeType1> + SomeAssociation1,
= CountedStorageMap<pallet2::Pallet<T>, Twox64Concat, u8, u32>;
TestExternalities::default().execute_with(|| {
pallet::Value::<Runtime>::put(10);
assert_eq!(10, Value::<Runtime>::get());
pallet2::SomeCountedStorageMap::<Runtime>::insert(10, 100);
assert_eq!(Some(100), SomeCountedStorageMap::<Runtime>::get(10));
assert_eq!(1, SomeCountedStorageMap::<Runtime>::count());
assert_eq!(
SomeCountedStorageMap::<Runtime>::storage_info(),
pallet2::SomeCountedStorageMap::<Runtime>::storage_info()
);
})
}
substrate/frame/support/test/tests/storage_alias_ui/forbid_underscore_as_prefix.stderr
+1 -1
View File
@@ -1,4 +1,4 @@
error: expected one of: `StorageValue`, `StorageMap`, `StorageDoubleMap`, `StorageNMap`
error: expected one of: `StorageValue`, `StorageMap`, `CountedStorageMap`, `StorageDoubleMap`, `StorageNMap`
--> tests/storage_alias_ui/forbid_underscore_as_prefix.rs:2:14
|
2 | type Ident = CustomStorage<Hello, u32>;