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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/construct_runtime/mod.rs
+27 -11
View File
@@ -211,6 +211,7 @@
mod expand;
mod parse;
use crate::pallet::parse::helper::two128_str;
use cfg_expr::Predicate;
use frame_support_procedural_tools::{
generate_crate_access, generate_crate_access_2018, generate_hidden_includes,
@@ -403,17 +404,19 @@ fn construct_runtime_final_expansion(
let integrity_test = decl_integrity_test(&scrate);
let static_assertions = decl_static_assertions(&name, &pallets, &scrate);
let warning =
where_section.map_or(None, |where_section| {
Some(proc_macro_warning::Warning::new_deprecated("WhereSection")
.old("use a `where` clause in `construct_runtime`")
.new("use `frame_system::Config` to set the `Block` type and delete this clause.
It is planned to be removed in December 2023")
.help_links(&["https://github.com/paritytech/substrate/pull/14437"])
.span(where_section.span)
.build(),
let warning = where_section.map_or(None, |where_section| {
Some(
proc_macro_warning::Warning::new_deprecated("WhereSection")
.old("use a `where` clause in `construct_runtime`")
.new(
"use `frame_system::Config` to set the `Block` type and delete this clause.
It is planned to be removed in December 2023",
)
.help_links(&["https://github.com/paritytech/substrate/pull/14437"])
.span(where_section.span)
.build(),
)
});
});
let res = quote!(
#warning
@@ -659,7 +662,6 @@ fn decl_all_pallets<'a>(
#( #all_pallets_reversed_with_system_first )*
)
}
fn decl_pallet_runtime_setup(
runtime: &Ident,
pallet_declarations: &[Pallet],
@@ -667,6 +669,7 @@ fn decl_pallet_runtime_setup(
) -> TokenStream2 {
let names = pallet_declarations.iter().map(|d| &d.name).collect::<Vec<_>>();
let name_strings = pallet_declarations.iter().map(|d| d.name.to_string());
let name_hashes = pallet_declarations.iter().map(|d| two128_str(&d.name.to_string()));
let module_names = pallet_declarations.iter().map(|d| d.path.module_name());
let indices = pallet_declarations.iter().map(|pallet| pallet.index as usize);
let pallet_structs = pallet_declarations
@@ -699,6 +702,7 @@ fn decl_pallet_runtime_setup(
pub struct PalletInfo;
impl #scrate::traits::PalletInfo for PalletInfo {
fn index<P: 'static>() -> Option<usize> {
let type_id = #scrate::__private::sp_std::any::TypeId::of::<P>();
#(
@@ -723,6 +727,18 @@ fn decl_pallet_runtime_setup(
None
}
fn name_hash<P: 'static>() -> Option<[u8; 16]> {
let type_id = #scrate::__private::sp_std::any::TypeId::of::<P>();
#(
#pallet_attrs
if type_id == #scrate::__private::sp_std::any::TypeId::of::<#names>() {
return Some(#name_hashes)
}
)*
None
}
fn module_name<P: 'static>() -> Option<&'static str> {
let type_id = #scrate::__private::sp_std::any::TypeId::of::<P>();
#(