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feat: compute pallet/storage prefix hash at compile time (#1539)

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Since the hash rules of this part of the `pallet_prefix/storage_prefix`
are always fixed, we can put the runtime calculation into compile time.

---
polkadot address: 15ouFh2SHpGbHtDPsJ6cXQfes9Cx1gEFnJJsJVqPGzBSTudr

---------

Co-authored-by: Juan <juangirini@gmail.com>
Co-authored-by: command-bot <>
Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
This commit is contained in:
yjh
2023-10-03 23:16:46 +08:00
committed by GitHub
parent 3ea497b5a0
commit aad80cce31
28 changed files with 263 additions and 123 deletions
Download Patch File Download Diff File Expand all files Collapse all files
substrate/frame/support/procedural/src/pallet/expand/pallet_struct.rs
+8
View File
@@ -246,6 +246,14 @@ pub fn expand_pallet_struct(def: &mut Def) -> proc_macro2::TokenStream {
implemented by the runtime")
}
fn name_hash() -> [u8; 16] {
<
<T as #frame_system::Config>::PalletInfo as #frame_support::traits::PalletInfo
>::name_hash::<Self>()
.expect("Pallet is part of the runtime because pallet `Config` trait is \
implemented by the runtime")
}
fn module_name() -> &'static str {
<
<T as #frame_system::Config>::PalletInfo as #frame_support::traits::PalletInfo
substrate/frame/support/procedural/src/pallet/expand/storage.rs
+41 -1
View File
@@ -18,7 +18,10 @@
use crate::{
counter_prefix,
pallet::{
parse::storage::{Metadata, QueryKind, StorageDef, StorageGenerics},
parse::{
helper::two128_str,
storage::{Metadata, QueryKind, StorageDef, StorageGenerics},
},
Def,
},
};
@@ -638,6 +641,7 @@ pub fn expand_storages(def: &mut Def) -> proc_macro2::TokenStream {
Metadata::CountedMap { .. } => {
let counter_prefix_struct_ident = counter_prefix_ident(&storage_def.ident);
let counter_prefix_struct_const = counter_prefix(&prefix_struct_const);
let storage_prefix_hash = two128_str(&counter_prefix_struct_const);
quote::quote_spanned!(storage_def.attr_span =>
#(#cfg_attrs)*
#[doc(hidden)]
@@ -656,7 +660,19 @@ pub fn expand_storages(def: &mut Def) -> proc_macro2::TokenStream {
>::name::<Pallet<#type_use_gen>>()
.expect("No name found for the pallet in the runtime! This usually means that the pallet wasn't added to `construct_runtime!`.")
}
fn pallet_prefix_hash() -> [u8; 16] {
<
<T as #frame_system::Config>::PalletInfo
as #frame_support::traits::PalletInfo
>::name_hash::<Pallet<#type_use_gen>>()
.expect("No name_hash found for the pallet in the runtime! This usually means that the pallet wasn't added to `construct_runtime!`.")
}
const STORAGE_PREFIX: &'static str = #counter_prefix_struct_const;
fn storage_prefix_hash() -> [u8; 16] {
#storage_prefix_hash
}
}
#(#cfg_attrs)*
impl<#type_impl_gen> #frame_support::storage::types::CountedStorageMapInstance
@@ -670,6 +686,7 @@ pub fn expand_storages(def: &mut Def) -> proc_macro2::TokenStream {
Metadata::CountedNMap { .. } => {
let counter_prefix_struct_ident = counter_prefix_ident(&storage_def.ident);
let counter_prefix_struct_const = counter_prefix(&prefix_struct_const);
let storage_prefix_hash = two128_str(&counter_prefix_struct_const);
quote::quote_spanned!(storage_def.attr_span =>
#(#cfg_attrs)*
#[doc(hidden)]
@@ -688,7 +705,17 @@ pub fn expand_storages(def: &mut Def) -> proc_macro2::TokenStream {
>::name::<Pallet<#type_use_gen>>()
.expect("No name found for the pallet in the runtime! This usually means that the pallet wasn't added to `construct_runtime!`.")
}
fn pallet_prefix_hash() -> [u8; 16] {
<
<T as #frame_system::Config>::PalletInfo
as #frame_support::traits::PalletInfo
>::name_hash::<Pallet<#type_use_gen>>()
.expect("No name_hash found for the pallet in the runtime! This usually means that the pallet wasn't added to `construct_runtime!`.")
}
const STORAGE_PREFIX: &'static str = #counter_prefix_struct_const;
fn storage_prefix_hash() -> [u8; 16] {
#storage_prefix_hash
}
}
#(#cfg_attrs)*
impl<#type_impl_gen> #frame_support::storage::types::CountedStorageNMapInstance
@@ -702,6 +729,7 @@ pub fn expand_storages(def: &mut Def) -> proc_macro2::TokenStream {
_ => proc_macro2::TokenStream::default(),
};
let storage_prefix_hash = two128_str(&prefix_struct_const);
quote::quote_spanned!(storage_def.attr_span =>
#maybe_counter
@@ -722,7 +750,19 @@ pub fn expand_storages(def: &mut Def) -> proc_macro2::TokenStream {
>::name::<Pallet<#type_use_gen>>()
.expect("No name found for the pallet in the runtime! This usually means that the pallet wasn't added to `construct_runtime!`.")
}
fn pallet_prefix_hash() -> [u8; 16] {
<
<T as #frame_system::Config>::PalletInfo
as #frame_support::traits::PalletInfo
>::name_hash::<Pallet<#type_use_gen>>()
.expect("No name_hash found for the pallet in the runtime! This usually means that the pallet wasn't added to `construct_runtime!`.")
}
const STORAGE_PREFIX: &'static str = #prefix_struct_const;
fn storage_prefix_hash() -> [u8; 16] {
#storage_prefix_hash
}
}
)
});