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sp-core-hashing: use the digest::Digest trait to handle the hashing function uniformly (#10835)

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* sp-core-hashing: use sha3 instead of tiny-keccak

Signed-off-by: koushiro <koushiro.cqx@gmail.com>

* use blake2 instead of blake2-rfc

Signed-off-by: koushiro <koushiro.cqx@gmail.com>

* improve som hashing of sp-core and sp-api-proc-macro

Signed-off-by: koushiro <koushiro.cqx@gmail.com>

* Some nits

Signed-off-by: koushiro <koushiro.cqx@gmail.com>

* cargo fmt

Signed-off-by: koushiro <koushiro.cqx@gmail.com>
This commit is contained in:
Qinxuan Chen
2022-02-16 16:26:53 +08:00
committed by GitHub
parent ee6223327c
commit 962cab60d6
8 changed files with 74 additions and 89 deletions
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substrate/primitives/api/proc-macro/src/decl_runtime_apis.rs
+3 -3
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@@ -39,8 +39,6 @@ use syn::{
use std::collections::HashMap;
use blake2_rfc;
/// The ident used for the block generic parameter.
const BLOCK_GENERIC_IDENT: &str = "Block";
@@ -750,8 +748,10 @@ fn parse_runtime_api_version(version: &Attribute) -> Result<u64> {
/// Generates the identifier as const variable for the given `trait_name`
/// by hashing the `trait_name`.
fn generate_runtime_api_id(trait_name: &str) -> TokenStream {
use blake2::digest::{consts::U8, Digest};
let mut res = [0; 8];
res.copy_from_slice(blake2_rfc::blake2b::blake2b(8, &[], trait_name.as_bytes()).as_bytes());
res.copy_from_slice(blake2::Blake2b::<U8>::digest(trait_name).as_slice());
quote!( const ID: [u8; 8] = [ #( #res ),* ]; )
}