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common/bitutil, consensus/ethash: reusable bitutil package

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Péter Szilágyi
2017-05-05 16:00:11 +03:00
parent 93832b633e
commit 36a800a1d2
4 changed files with 405 additions and 86 deletions
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3
consensus/ethash/algorithm.go
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@@ -27,6 +27,7 @@ import (
"unsafe"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/bitutil"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/crypto/sha3"
"github.com/ethereum/go-ethereum/log"
@@ -142,7 +143,7 @@ func generateCache(dest []uint32, epoch uint64, seed []byte) {
dstOff = j * hashBytes
xorOff = (binary.LittleEndian.Uint32(cache[dstOff:]) % uint32(rows)) * hashBytes
)
xorBytes(temp, cache[srcOff:srcOff+hashBytes], cache[xorOff:xorOff+hashBytes])
bitutil.XORBytes(temp, cache[srcOff:srcOff+hashBytes], cache[xorOff:xorOff+hashBytes])
keccak512(cache[dstOff:], temp)
atomic.AddUint32(&progress, 1)