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Expose instancing in metadata (#3188)

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* Expose instancing in metadata

- Introduces metadata v7
- If a module is using instancing, the storage exposes the instance in
metadata
- Metadata module name is now the upper case one given to
`construct_runtime!`

* Remove obsolete macro

* Just expose one prefix

* Bump spec

* Fix prefix generation
This commit is contained in:
Bastian Köcher
2019-07-24 21:40:34 +02:00
committed by GitHub
parent 2b6f664caf
commit f7ff339ebd
11 changed files with 756 additions and 617 deletions
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substrate/srml/support/test/tests/instance.rs
+97
View File
@@ -19,6 +19,10 @@ use runtime_io::{with_externalities, Blake2Hasher};
use srml_support::{
Parameter, traits::Get, parameter_types,
runtime_primitives::{generic, BuildStorage, traits::{BlakeTwo256, Block as _, Verify}},
metadata::{
DecodeDifferent, StorageMetadata, StorageEntryModifier, StorageEntryType, DefaultByteGetter,
StorageEntryMetadata, StorageHasher
},
};
use inherents::{
ProvideInherent, InherentData, InherentIdentifier, RuntimeString, MakeFatalError
@@ -408,3 +412,96 @@ fn storage_with_instance_basic_operation() {
assert_eq!(DoubleMap::get(&key1, &key2), 0);
});
}
const EXPECTED_METADATA: StorageMetadata = StorageMetadata {
prefix: DecodeDifferent::Encode("Instance2Module2"),
entries: DecodeDifferent::Encode(
&[
StorageEntryMetadata {
name: DecodeDifferent::Encode("Value"),
modifier: StorageEntryModifier::Default,
ty: StorageEntryType::Plain(DecodeDifferent::Encode("T::Amount")),
default: DecodeDifferent::Encode(
DefaultByteGetter(
&module2::__GetByteStructValue(
std::marker::PhantomData::<(Runtime, module2::Instance2)>
)
)
),
documentation: DecodeDifferent::Encode(&[]),
},
StorageEntryMetadata {
name: DecodeDifferent::Encode("Map"),
modifier: StorageEntryModifier::Default,
ty: StorageEntryType::Map {
hasher: StorageHasher::Blake2_256,
key: DecodeDifferent::Encode("u64"),
value: DecodeDifferent::Encode("u64"),
is_linked: false,
},
default: DecodeDifferent::Encode(
DefaultByteGetter(
&module2::__GetByteStructMap(
std::marker::PhantomData::<(Runtime, module2::Instance2)>
)
)
),
documentation: DecodeDifferent::Encode(&[]),
},
StorageEntryMetadata {
name: DecodeDifferent::Encode("LinkedMap"),
modifier: StorageEntryModifier::Default,
ty: StorageEntryType::Map {
hasher: StorageHasher::Blake2_256,
key: DecodeDifferent::Encode("u64"),
value: DecodeDifferent::Encode("u64"),
is_linked: true,
},
default: DecodeDifferent::Encode(
DefaultByteGetter(
&module2::__GetByteStructLinkedMap(
std::marker::PhantomData::<(Runtime, module2::Instance2)>
)
)
),
documentation: DecodeDifferent::Encode(&[]),
},
StorageEntryMetadata {
name: DecodeDifferent::Encode("DoubleMap"),
modifier: StorageEntryModifier::Default,
ty: StorageEntryType::DoubleMap {
hasher: StorageHasher::Blake2_256,
key2_hasher: StorageHasher::Blake2_256,
key1: DecodeDifferent::Encode("u64"),
key2: DecodeDifferent::Encode("u64"),
value: DecodeDifferent::Encode("u64"),
},
default: DecodeDifferent::Encode(
DefaultByteGetter(
&module2::__GetByteStructDoubleMap(
std::marker::PhantomData::<(Runtime, module2::Instance2)>
)
)
),
documentation: DecodeDifferent::Encode(&[]),
}
]
)
};
#[test]
fn test_instance_storage_metadata() {
let metadata = Module2_2::storage_metadata();
pretty_assertions::assert_eq!(EXPECTED_METADATA, metadata);
}
#[test]
fn instance_prefix_is_prefix_of_entries() {
use module2::Instance;
let prefix = module2::Instance2::PREFIX;
assert!(module2::Instance2::PREFIX_FOR_Value.starts_with(prefix));
assert!(module2::Instance2::PREFIX_FOR_Map.starts_with(prefix));
assert!(module2::Instance2::PREFIX_FOR_LinkedMap.starts_with(prefix));
assert!(module2::Instance2::PREFIX_FOR_DoubleMap.starts_with(prefix));
}