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Remove a couple of unnecessary transmute() (#8736)

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Niklas Adolfsson
2018-05-31 13:39:25 +02:00
committed by Afri Schoedon
parent 118588ef6c
commit 1020560af6
2 changed files with 9 additions and 13 deletions
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5
ethash/src/compute.rs
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@@ -25,9 +25,8 @@ use seed_compute::SeedHashCompute;
use shared::*;
use std::io;
use std::mem;
use std::{mem, ptr};
use std::path::Path;
use std::ptr;
const MIX_WORDS: usize = ETHASH_MIX_BYTES / 4;
const MIX_NODES: usize = MIX_WORDS / NODE_WORDS;
@@ -111,7 +110,7 @@ pub fn quick_get_difficulty(header_hash: &H256, nonce: u64, mix_hash: &H256) ->
let mut buf: [u8; 64 + 32] = mem::uninitialized();
ptr::copy_nonoverlapping(header_hash.as_ptr(), buf.as_mut_ptr(), 32);
ptr::copy_nonoverlapping(mem::transmute(&nonce), buf[32..].as_mut_ptr(), 8);
ptr::copy_nonoverlapping(&nonce as *const u64 as *const u8, buf[32..].as_mut_ptr(), 8);
keccak_512::unchecked(buf.as_mut_ptr(), 64, buf.as_ptr(), 40);
ptr::copy_nonoverlapping(mix_hash.as_ptr(), buf[64..].as_mut_ptr(), 32);