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add query types to generate_storage_alias (#9659)

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* add query types to generate_storage_alias

* adjust comment

* use ValueQuery explicitly for generate_storage_alias with generic value type

* bump impl_version

* adjust line width and add import

* more compilation and formatting fixes

* formatting
This commit is contained in:
Alexander Popiak
2021-09-08 10:48:49 +02:00
committed by GitHub
parent bd2aa79112
commit 8cf6474388
4 changed files with 60 additions and 15 deletions
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substrate/frame/support/src/lib.rs
+42 -9
View File
@@ -130,6 +130,18 @@ impl TypeId for PalletId {
/// >
/// );
///
/// // optionally specify the query type
/// use frame_support::pallet_prelude::{ValueQuery, OptionQuery};
/// generate_storage_alias!(Prefix, ValueName => Value<u32, OptionQuery>);
/// generate_storage_alias!(
/// Prefix, SomeStorageName => DoubleMap<
/// (u32, Twox64Concat),
/// (u32, Twox64Concat),
/// Vec<u8>,
/// ValueQuery
/// >
/// );
///
/// // generate a map from `Config::AccountId` (with hasher `Twox64Concat`) to `Vec<u8>`
/// trait Config { type AccountId: codec::FullCodec; }
/// generate_storage_alias!(
@@ -140,7 +152,7 @@ impl TypeId for PalletId {
#[macro_export]
macro_rules! generate_storage_alias {
// without generic for $name.
($pallet:ident, $name:ident => Map<($key:ty, $hasher:ty), $value:ty>) => {
($pallet:ident, $name:ident => Map<($key:ty, $hasher:ty), $value:ty $(, $querytype:ty)?>) => {
$crate::paste::paste! {
$crate::generate_storage_alias!(@GENERATE_INSTANCE_STRUCT $pallet, $name);
type $name = $crate::storage::types::StorageMap<
@@ -148,10 +160,15 @@ macro_rules! generate_storage_alias {
$hasher,
$key,
$value,
$( $querytype )?
>;
}
};
($pallet:ident, $name:ident => DoubleMap<($key1:ty, $hasher1:ty), ($key2:ty, $hasher2:ty), $value:ty>) => {
(
$pallet:ident,
$name:ident
=> DoubleMap<($key1:ty, $hasher1:ty), ($key2:ty, $hasher2:ty), $value:ty $(, $querytype:ty)?>
) => {
$crate::paste::paste! {
$crate::generate_storage_alias!(@GENERATE_INSTANCE_STRUCT $pallet, $name);
type $name = $crate::storage::types::StorageDoubleMap<
@@ -161,10 +178,15 @@ macro_rules! generate_storage_alias {
$hasher2,
$key2,
$value,
$( $querytype )?
>;
}
};
($pallet:ident, $name:ident => NMap<Key<$(($key:ty, $hasher:ty)),+>, $value:ty>) => {
(
$pallet:ident,
$name:ident
=> NMap<Key<$(($key:ty, $hasher:ty)),+>, $value:ty $(, $querytype:ty)?>
) => {
$crate::paste::paste! {
$crate::generate_storage_alias!(@GENERATE_INSTANCE_STRUCT $pallet, $name);
type $name = $crate::storage::types::StorageNMap<
@@ -173,20 +195,26 @@ macro_rules! generate_storage_alias {
$( $crate::storage::types::Key<$hasher, $key>, )+
),
$value,
$( $querytype )?
>;
}
};
($pallet:ident, $name:ident => Value<$value:ty>) => {
($pallet:ident, $name:ident => Value<$value:ty $(, $querytype:ty)?>) => {
$crate::paste::paste! {
$crate::generate_storage_alias!(@GENERATE_INSTANCE_STRUCT $pallet, $name);
type $name = $crate::storage::types::StorageValue<
[<$name Instance>],
$value,
$( $querytype )?
>;
}
};
// with generic for $name.
($pallet:ident, $name:ident<$t:ident : $bounds:tt> => Map<($key:ty, $hasher:ty), $value:ty>) => {
(
$pallet:ident,
$name:ident<$t:ident : $bounds:tt>
=> Map<($key:ty, $hasher:ty), $value:ty $(, $querytype:ty)?>
) => {
$crate::paste::paste! {
$crate::generate_storage_alias!(@GENERATE_INSTANCE_STRUCT $pallet, $name);
#[allow(type_alias_bounds)]
@@ -195,13 +223,15 @@ macro_rules! generate_storage_alias {
$key,
$hasher,
$value,
$( $querytype )?
>;
}
};
(
$pallet:ident,
$name:ident<$t:ident : $bounds:tt>
=> DoubleMap<($key1:ty, $hasher1:ty), ($key2:ty, $hasher2:ty), $value:ty>) => {
=> DoubleMap<($key1:ty, $hasher1:ty), ($key2:ty, $hasher2:ty), $value:ty $(, $querytype:ty)?>
) => {
$crate::paste::paste! {
$crate::generate_storage_alias!(@GENERATE_INSTANCE_STRUCT $pallet, $name);
#[allow(type_alias_bounds)]
@@ -212,12 +242,14 @@ macro_rules! generate_storage_alias {
$key2,
$hasher2,
$value,
$( $querytype )?
>;
}
};
(
$pallet:ident,
$name:ident<$t:ident : $bounds:tt> => NMap<$(($key:ty, $hasher:ty),)+ $value:ty>
$name:ident<$t:ident : $bounds:tt>
=> NMap<$(($key:ty, $hasher:ty),)+ $value:ty $(, $querytype:ty)?>
) => {
$crate::paste::paste! {
$crate::generate_storage_alias!(@GENERATE_INSTANCE_STRUCT $pallet, $name);
@@ -228,17 +260,18 @@ macro_rules! generate_storage_alias {
$( $crate::storage::types::Key<$hasher, $key>, )+
),
$value,
$( $querytype )?
>;
}
};
($pallet:ident, $name:ident<$t:ident : $bounds:tt> => Value<$value:ty>) => {
($pallet:ident, $name:ident<$t:ident : $bounds:tt> => Value<$value:ty $(, $querytype:ty)?>) => {
$crate::paste::paste! {
$crate::generate_storage_alias!(@GENERATE_INSTANCE_STRUCT $pallet, $name);
#[allow(type_alias_bounds)]
type $name<$t : $bounds> = $crate::storage::types::StorageValue<
[<$name Instance>],
$value,
$crate::storage::types::ValueQuery,
$( $querytype )?
>;
}
};