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obscuren 2015-02-05 08:29:41 -08:00
parent 1d519854e2
commit 9d2166a964
3 changed files with 116 additions and 88 deletions
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42
miner/miner.go
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@ -24,21 +24,43 @@
package miner
import (
"fmt"
"math/big"
"sort"
"github.com/ethereum/go-ethereum/eth"
"github.com/ethereum/go-ethereum/ethutil"
"github.com/ethereum/go-ethereum/pow"
"github.com/ethereum/go-ethereum/pow/ezp"
"github.com/ethereum/go-ethereum/state"
"github.com/ethereum/c-ethash/go-ethash"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/eth"
"github.com/ethereum/go-ethereum/ethutil"
"github.com/ethereum/go-ethereum/event"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/pow"
"github.com/ethereum/go-ethereum/state"
)
var dx = []byte{0x42, 0x42, 0x42, 0x42, 0x42, 0x42, 0x42, 0x42, 0x42, 0x42, 0x42, 0x42, 0x42, 0x42, 0x42, 0x42, 0x42, 0x42, 0x42, 0x42, 0x42, 0x42, 0x42, 0x42, 0x42, 0x42, 0x42, 0x42, 0x42, 0x42, 0x42, 0x42}
var dy = []byte{0x43, 0x43, 0x43, 0x43, 0x43, 0x43, 0x43, 0x43, 0x43, 0x43, 0x43, 0x43, 0x43, 0x43, 0x43, 0x43, 0x43, 0x43, 0x43, 0x43, 0x43, 0x43, 0x43, 0x43, 0x43, 0x43, 0x43, 0x43, 0x43, 0x43, 0x43, 0x43}
const epochLen = uint64(1000)
func getSeed(chainMan *core.ChainManager, block *types.Block) (x []byte, y []byte) {
if block.Number().Uint64() == 0 {
return dx, dy
} else if block.Number().Uint64()%epochLen == 0 {
x, y = getSeed(chainMan, chainMan.GetBlock(block.ParentHash()))
if (block.Number().Uint64()/epochLen)%2 > 0 {
y = crypto.Sha3(append(y, block.ParentHash()...))
} else {
x = crypto.Sha3(append(x, block.ParentHash()...))
}
return x, y
} else {
return getSeed(chainMan, chainMan.GetBlock(block.ParentHash()))
}
}
type LocalTx struct {
To []byte `json:"to"`
Data []byte `json:"data"`
@ -77,7 +99,6 @@ func New(coinbase []byte, eth *eth.Ethereum) *Miner {
return &Miner{
eth: eth,
powQuitCh: make(chan struct{}),
pow: ezp.New(),
mining: false,
localTxs: make(map[int]*LocalTx),
MinAcceptedGasPrice: big.NewInt(10000000000000),
@ -213,6 +234,13 @@ func (self *Miner) mine() {
minerlogger.Infof("Mining on block. Includes %v transactions", len(transactions))
x, y := getSeed(chainMan, block)
self.pow, err = ethash.New(append(x, y...), block)
if err != nil {
fmt.Println("err", err)
return
}
// Find a valid nonce
nonce := self.pow.Search(block, self.powQuitCh)
if nonce != nil {