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Implement StorageNMap (#8635)

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* Implement StorageNMap

* Change copyright date to 2021

* Rewrite keys to use impl_for_tuples instead of recursion

* Implement prefix iteration on StorageNMap

* Implement EncodeLike for key arguments

* Rename KeyGenerator::Arg to KeyGenerator::KArg

* Support StorageNMap in decl_storage and #[pallet::storage] macros

* Use StorageNMap in assets pallet

* Support migrate_keys in StorageNMap

* Reduce line characters on select files

* Refactor crate imports in decl_storage macros

* Some more line char reductions and doc comment update

* Update UI test expectations

* Revert whitespace changes to untouched files

* Generate Key struct instead of a 1-tuple when only 1 pair of key and hasher is provided

* Revert formatting changes to unrelated files

* Introduce KeyGeneratorInner

* Add tests for StorageNMap in FRAMEv2 pallet macro

* Small fixes to unit tests for StorageNMap

* Bump runtime metadata version

* Remove unused import

* Update tests to use runtime metadata v13

* Introduce and use EncodeLikeTuple as a trait bound for KArg

* Add some rustdocs

* Revert usage of StorageNMap in assets pallet

* Make use of ext::PunctuatedTrailing

* Add rustdoc for final_hash

* Fix StorageNMap proc macro expansions for single key cases

* Create associated const in KeyGenerator for hasher metadata

* Refactor code according to comments from Basti

* Add module docs for generator/nmap.rs

* Re-export storage::Key as NMapKey in pallet prelude

* Seal the EncodeLikeTuple trait

* Extract sealing code out of key.rs

Co-authored-by: Shawn Tabrizi <shawntabrizi@gmail.com>
This commit is contained in:
Keith Yeung
2021-05-14 02:44:29 -07:00
committed by GitHub
parent c6b1240e51
commit 033d8289f0
26 changed files with 3210 additions and 50 deletions
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substrate/frame/metadata/src/lib.rs
+12 -5
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@@ -300,6 +300,11 @@ pub enum StorageEntryType {
value: DecodeDifferentStr,
key2_hasher: StorageHasher,
},
NMap {
keys: DecodeDifferentArray<&'static str, StringBuf>,
hashers: DecodeDifferentArray<StorageHasher>,
value: DecodeDifferentStr,
},
}
/// A storage entry modifier.
@@ -364,8 +369,10 @@ pub enum RuntimeMetadata {
V10(RuntimeMetadataDeprecated),
/// Version 11 for runtime metadata. No longer used.
V11(RuntimeMetadataDeprecated),
/// Version 12 for runtime metadata.
V12(RuntimeMetadataV12),
/// Version 12 for runtime metadata. No longer used.
V12(RuntimeMetadataDeprecated),
/// Version 13 for runtime metadata.
V13(RuntimeMetadataV13),
}
/// Enum that should fail.
@@ -389,7 +396,7 @@ impl Decode for RuntimeMetadataDeprecated {
/// The metadata of a runtime.
#[derive(Eq, Encode, PartialEq, RuntimeDebug)]
#[cfg_attr(feature = "std", derive(Decode, Serialize))]
pub struct RuntimeMetadataV12 {
pub struct RuntimeMetadataV13 {
/// Metadata of all the modules.
pub modules: DecodeDifferentArray<ModuleMetadata>,
/// Metadata of the extrinsic.
@@ -397,7 +404,7 @@ pub struct RuntimeMetadataV12 {
}
/// The latest version of the metadata.
pub type RuntimeMetadataLastVersion = RuntimeMetadataV12;
pub type RuntimeMetadataLastVersion = RuntimeMetadataV13;
/// All metadata about an runtime module.
#[derive(Clone, PartialEq, Eq, Encode, RuntimeDebug)]
@@ -425,6 +432,6 @@ impl Into<sp_core::OpaqueMetadata> for RuntimeMetadataPrefixed {
impl Into<RuntimeMetadataPrefixed> for RuntimeMetadataLastVersion {
fn into(self) -> RuntimeMetadataPrefixed {
RuntimeMetadataPrefixed(META_RESERVED, RuntimeMetadata::V12(self))
RuntimeMetadataPrefixed(META_RESERVED, RuntimeMetadata::V13(self))
}
}