Files
pezkuwi-subxt/substrate/primitives/core/src/hasher.rs
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Benjamin Kampmann 60e5011c72 Reorganising the repository - external renames and moves (#4074)
* Adding first rough ouline of the repository structure

* Remove old CI stuff

* add title

* formatting fixes

* move node-exits job's script to scripts dir

* Move docs into subdir

* move to bin

* move maintainence scripts, configs and helpers into its own dir

* add .local to ignore

* move core->client

* start up 'test' area

* move test client

* move test runtime

* make test move compile

* Add dependencies rule enforcement.

* Fix indexing.

* Update docs to reflect latest changes

* Moving /srml->/paint

* update docs

* move client/sr-* -> primitives/

* clean old readme

* remove old broken code in rhd

* update lock

* Step 1.

* starting to untangle client

* Fix after merge.

* start splitting out client interfaces

* move children and blockchain interfaces

* Move trie and state-machine to primitives.

* Fix WASM builds.

* fixing broken imports

* more interface moves

* move backend and light to interfaces

* move CallExecutor

* move cli off client

* moving around more interfaces

* re-add consensus crates into the mix

* fix subkey path

* relieve client from executor

* starting to pull out client from grandpa

* move is_decendent_of out of client

* grandpa still depends on client directly

* lemme tests pass

* rename srml->paint

* Make it compile.

* rename interfaces->client-api

* Move keyring to primitives.

* fixup libp2p dep

* fix broken use

* allow dependency enforcement to fail

* move fork-tree

* Moving wasm-builder

* make env

* move build-script-utils

* fixup broken crate depdencies and names

* fix imports for authority discovery

* fix typo

* update cargo.lock

* fixing imports

* Fix paths and add missing crates

* re-add missing crates
2019-11-14 21:51:17 +01:00

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1.6 KiB
Rust

// Copyright 2018-2019 Parity Technologies (UK) Ltd.
// This file is part of Substrate.
// Substrate is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// Substrate is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with Substrate. If not, see <http://www.gnu.org/licenses/>.
//! Substrate Blake2b Hasher implementation
use hash_db::Hasher;
use hash256_std_hasher::Hash256StdHasher;
use crate::hash::H256;
pub mod blake2 {
use super::{Hasher, Hash256StdHasher, H256};
#[cfg(feature = "std")]
use crate::hashing::blake2_256;
#[cfg(not(feature = "std"))]
extern "C" {
fn ext_blake2_256(data: *const u8, len: u32, out: *mut u8);
}
#[cfg(not(feature = "std"))]
fn blake2_256(data: &[u8]) -> [u8; 32] {
let mut result: [u8; 32] = Default::default();
unsafe {
ext_blake2_256(data.as_ptr(), data.len() as u32, result.as_mut_ptr());
}
result
}
/// Concrete implementation of Hasher using Blake2b 256-bit hashes
#[derive(Debug)]
pub struct Blake2Hasher;
impl Hasher for Blake2Hasher {
type Out = H256;
type StdHasher = Hash256StdHasher;
const LENGTH: usize = 32;
fn hash(x: &[u8]) -> Self::Out {
blake2_256(x).into()
}
}
}