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Hashing proc macro utils (#9875)

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* hashing macro

* fmt

* use in easy place, and fix blake sizes

* fix

* Fixes, docs.
Allow ident as input.

* fix doc tests

* update error in test (nmapkey and key are same type).

* hashing crates under sp_core

* Doc updates and format.

* use all existing hashing functions.

* return array of u8

* Update primitives/core/hashing/proc-macro/src/impls.rs

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

* ToTokeen for an array of u8

* fix

* re

* Improve impls

* complete doc tests

* fmt

* fix doctest format

* fix ui test (nmap key type alias)

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>
Co-authored-by: Bastian Köcher <info@kchr.de>
This commit is contained in:
cheme
2021-11-02 10:35:23 +01:00
committed by GitHub
parent 098815948a
commit 471e9cfbf1
14 changed files with 547 additions and 143 deletions
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substrate/frame/support/Cargo.toml
+1
View File
@@ -34,6 +34,7 @@ bitflags = "1.3"
impl-trait-for-tuples = "0.2.1"
smallvec = "1.7.0"
log = { version = "0.4.14", default-features = false }
sp-core-hashing-proc-macro = { version = "4.0.0-dev", path = "../../primitives/core/hashing/proc-macro" }
[dev-dependencies]
assert_matches = "1.3.0"
substrate/frame/support/src/lib.rs
+3 -3
View File
@@ -42,6 +42,8 @@ pub use scale_info;
pub use serde;
pub use sp_core::Void;
#[doc(hidden)]
pub use sp_core_hashing_proc_macro;
#[doc(hidden)]
pub use sp_io::{self, storage::root as storage_root};
#[doc(hidden)]
pub use sp_runtime::RuntimeDebug;
@@ -427,9 +429,7 @@ macro_rules! parameter_types {
/// Returns the key for this parameter type.
#[allow(unused)]
pub fn key() -> [u8; 16] {
$crate::sp_io::hashing::twox_128(
concat!(":", stringify!($name), ":").as_bytes()
)
$crate::sp_core_hashing_proc_macro::twox_128!(b":", $name, b":")
}
/// Set the value of this parameter type in the storage.
substrate/frame/support/test/tests/pallet_ui/storage_info_unsatisfied_nmap.stderr
+2 -2
View File
@@ -4,8 +4,8 @@ error[E0277]: the trait bound `Bar: MaxEncodedLen` is not satisfied
10 | #[pallet::generate_storage_info]
| ^^^^^^^^^^^^^^^^^^^^^ the trait `MaxEncodedLen` is not implemented for `Bar`
|
= note: required because of the requirements on the impl of `KeyGeneratorMaxEncodedLen` for `Key<frame_support::Twox64Concat, Bar>`
= note: required because of the requirements on the impl of `StorageInfoTrait` for `frame_support::pallet_prelude::StorageNMap<_GeneratedPrefixForStorageFoo<T>, Key<frame_support::Twox64Concat, Bar>, u32>`
= note: required because of the requirements on the impl of `KeyGeneratorMaxEncodedLen` for `NMapKey<frame_support::Twox64Concat, Bar>`
= note: required because of the requirements on the impl of `StorageInfoTrait` for `frame_support::pallet_prelude::StorageNMap<_GeneratedPrefixForStorageFoo<T>, NMapKey<frame_support::Twox64Concat, Bar>, u32>`
note: required by `storage_info`
--> $DIR/storage.rs:71:2
|