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Revert "move siphash out of pow and into util" (#635)

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* Revert "move siphash out of pow and into util (#633)"

This reverts commit dae90543c2.
This commit is contained in:
AntiochP 2018-01-18 19:53:53 -05:00 committed by GitHub
parent 885c2d73ea
commit 916d9cce57
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GPG key ID: 4AEE18F83AFDEB23
4 changed files with 24 additions and 25 deletions
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2
pow/src/cuckoo.rs
View file

@ -23,7 +23,7 @@ use std::cmp;
use blake2;
use core::core::Proof;
use util::siphash::siphash24;
use siphash::siphash24;
use MiningWorker;
const MAXPATHLEN: usize = 8192;

1
pow/src/lib.rs
View file

@ -44,6 +44,7 @@ extern crate grin_util as util;
extern crate cuckoo_miner;
mod siphash;
pub mod plugin;
pub mod cuckoo;
pub mod types;

44
util/src/siphash.rs → pow/src/siphash.rs
View file

@ -1,4 +1,4 @@
// Copyright 2018 The Grin Developers
// Copyright 2016 The Grin Developers
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
@ -24,30 +24,30 @@ pub fn siphash24(v: [u64; 4], nonce: u64) -> u64 {
// macro for left rotation
macro_rules! rotl {
($num:ident, $shift:expr) => {
$num = ($num << $shift) | ($num >> (64 - $shift));
}
}
($num:ident, $shift:expr) => {
$num = ($num << $shift) | ($num >> (64 - $shift));
}
}
// macro for a single siphash round
macro_rules! round {
() => {
v0 = v0.wrapping_add(v1);
v2 = v2.wrapping_add(v3);
rotl!(v1, 13);
rotl!(v3, 16);
v1 ^= v0;
v3 ^= v2;
rotl!(v0, 32);
v2 = v2.wrapping_add(v1);
v0 = v0.wrapping_add(v3);
rotl!(v1, 17);
rotl!(v3, 21);
v1 ^= v2;
v3 ^= v0;
rotl!(v2, 32);
}
}
() => {
v0 = v0.wrapping_add(v1);
v2 = v2.wrapping_add(v3);
rotl!(v1, 13);
rotl!(v3, 16);
v1 ^= v0;
v3 ^= v2;
rotl!(v0, 32);
v2 = v2.wrapping_add(v1);
v0 = v0.wrapping_add(v3);
rotl!(v1, 17);
rotl!(v3, 21);
v1 ^= v2;
v3 ^= v0;
rotl!(v2, 32);
}
}
// 2 rounds
round!();

2
util/src/lib.rs
View file

@ -50,8 +50,6 @@ pub use secp_static::static_secp_instance;
pub mod types;
pub use types::{LoggingConfig, LogLevel};
pub mod siphash;
// other utils
use std::cell::{Ref, RefCell};
#[allow(unused_imports)]