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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/support/procedural/src/storage/metadata.rs
+23 -1
View File
@@ -63,6 +63,27 @@ fn storage_line_metadata_type(scrate: &TokenStream, line: &StorageLineDefExt) ->
}
}
},
StorageLineTypeDef::NMap(map) => {
let keys = map.keys
.iter()
.map(|key| clean_type_string(&quote!(#key).to_string()))
.collect::<Vec<_>>();
let hashers = map.hashers
.iter()
.map(|hasher| hasher.to_storage_hasher_struct())
.collect::<Vec<_>>();
quote!{
#scrate::metadata::StorageEntryType::NMap {
keys: #scrate::metadata::DecodeDifferent::Encode(&[
#( #keys, )*
]),
hashers: #scrate::metadata::DecodeDifferent::Encode(&[
#( #scrate::metadata::StorageHasher::#hashers, )*
]),
value: #scrate::metadata::DecodeDifferent::Encode(#value_type),
}
}
}
}
}
@@ -140,7 +161,8 @@ fn default_byte_getter(
(struct_def, struct_instance)
}
pub fn impl_metadata(scrate: &TokenStream, def: &DeclStorageDefExt) -> TokenStream {
pub fn impl_metadata(def: &DeclStorageDefExt) -> TokenStream {
let scrate = &def.hidden_crate;
let mut entries = TokenStream::new();
let mut default_byte_getter_struct_defs = TokenStream::new();