diff options
Diffstat (limited to 'miner/miner.go')
-rw-r--r-- | miner/miner.go | 284 |
1 files changed, 30 insertions, 254 deletions
diff --git a/miner/miner.go b/miner/miner.go index 1f4fc2170..f184042dc 100644 --- a/miner/miner.go +++ b/miner/miner.go @@ -1,291 +1,67 @@ -/* - This file is part of go-ethereum - - go-ethereum is free software: you can redistribute it and/or modify - it under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation, either version 3 of the License, or - (at your option) any later version. - - go-ethereum 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 Lesser General Public License - along with go-ethereum. If not, see <http://www.gnu.org/licenses/>. -*/ -/** - * @authors - * Jeffrey Wilcke <i@jev.io> - * @date 2014 - * - */ - package miner import ( - "fmt" "math/big" - "sort" - "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" + "github.com/ethereum/go-ethereum/pow/ezp" ) -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"` - Gas string `json:"gas"` - GasPrice string `json:"gasPrice"` - Value string `json:"value"` -} - -func (self *LocalTx) Sign(key []byte) *types.Transaction { - return nil -} - var minerlogger = logger.NewLogger("MINER") type Miner struct { - eth *eth.Ethereum - events event.Subscription - - uncles []*types.Header - localTxs map[int]*LocalTx - localTxId int - - pow pow.PoW - quitCh chan struct{} - powQuitCh chan struct{} - - Coinbase []byte - - mining bool + worker *worker MinAcceptedGasPrice *big.Int Extra string -} - -func New(coinbase []byte, eth *eth.Ethereum) *Miner { - return &Miner{ - eth: eth, - powQuitCh: make(chan struct{}), - mining: false, - localTxs: make(map[int]*LocalTx), - MinAcceptedGasPrice: big.NewInt(10000000000000), - Coinbase: coinbase, - } -} - -func (self *Miner) GetPow() pow.PoW { - return self.pow -} - -func (self *Miner) AddLocalTx(tx *LocalTx) int { - minerlogger.Infof("Added local tx (%x %v / %v)\n", tx.To[0:4], tx.GasPrice, tx.Value) - - self.localTxId++ - self.localTxs[self.localTxId] = tx - self.eth.EventMux().Post(tx) - return self.localTxId + coinbase []byte + mining bool } -func (self *Miner) RemoveLocalTx(id int) { - if tx := self.localTxs[id]; tx != nil { - minerlogger.Infof("Removed local tx (%x %v / %v)\n", tx.To[0:4], tx.GasPrice, tx.Value) +func New(coinbase []byte, eth *eth.Ethereum) *Miner { + miner := &Miner{ + coinbase: coinbase, + worker: newWorker(coinbase, eth), } - self.eth.EventMux().Post(&LocalTx{}) - - delete(self.localTxs, id) -} -func (self *Miner) Start() { - if self.mining { - return + for i := 0; i < 4; i++ { + miner.worker.register(NewCpuMiner(i, ezp.New())) } - minerlogger.Infoln("Starting mining operations") - self.mining = true - self.quitCh = make(chan struct{}) - self.powQuitCh = make(chan struct{}) - - mux := self.eth.EventMux() - self.events = mux.Subscribe(core.NewBlockEvent{}, core.TxPreEvent{}, &LocalTx{}) - - go self.update() - go self.mine() -} - -func (self *Miner) Stop() { - if !self.mining { - return - } - - self.mining = false - - minerlogger.Infoln("Stopping mining operations") - - self.events.Unsubscribe() - - close(self.quitCh) - close(self.powQuitCh) + return miner } func (self *Miner) Mining() bool { return self.mining } -func (self *Miner) update() { -out: - for { - select { - case event := <-self.events.Chan(): - switch event := event.(type) { - case core.NewBlockEvent: - block := event.Block - if self.eth.ChainManager().HasBlock(block.Hash()) { - self.reset() - self.eth.TxPool().RemoveSet(block.Transactions()) - go self.mine() - } else if true { - // do uncle stuff - } - case core.TxPreEvent, *LocalTx: - self.reset() - go self.mine() - } - case <-self.quitCh: - break out - } - } -} - -func (self *Miner) reset() { - close(self.powQuitCh) - self.powQuitCh = make(chan struct{}) -} - -func (self *Miner) mine() { - var ( - blockProcessor = self.eth.BlockProcessor() - chainMan = self.eth.ChainManager() - block = chainMan.NewBlock(self.Coinbase) - state = state.New(block.Root(), self.eth.Db()) - ) - block.Header().Extra = self.Extra - - // Apply uncles - block.SetUncles(self.uncles) - - parent := chainMan.GetBlock(block.ParentHash()) - coinbase := state.GetOrNewStateObject(block.Coinbase()) - coinbase.SetGasPool(core.CalcGasLimit(parent, block)) - - transactions := self.finiliseTxs() - - // Accumulate all valid transactions and apply them to the new state - // Error may be ignored. It's not important during mining - receipts, txs, _, erroneous, err := blockProcessor.ApplyTransactions(coinbase, state, block, transactions, true) - if err != nil { - minerlogger.Debugln(err) - } - self.eth.TxPool().RemoveSet(erroneous) - - block.SetTransactions(txs) - block.SetReceipts(receipts) - - // Accumulate the rewards included for this block - blockProcessor.AccumulateRewards(state, block, parent) - - state.Update(ethutil.Big0) - block.SetRoot(state.Root()) - - minerlogger.Infof("Mining on block. Includes %v transactions", len(transactions)) - - x, _ := getSeed(chainMan, block) - self.pow, err = ethash.New(x, block) - if err != nil { - fmt.Println("miner gave back err", err) - return - } +func (self *Miner) Start() { + self.worker.start() - // Find a valid nonce - nonce := self.pow.Search(block, self.powQuitCh) - if nonce != nil { - block.Header().Nonce = nonce - err := chainMan.InsertChain(types.Blocks{block}) - if err != nil { - minerlogger.Infoln(err) - } else { - self.eth.EventMux().Post(core.NewMinedBlockEvent{block}) + self.worker.commitNewWork() - minerlogger.Infof("🔨 Mined block %x\n", block.Hash()) - minerlogger.Infoln(block) + /* + timer := time.NewTicker(time.Second) + for { + select { + case <-timer.C: + fmt.Printf("%d workers. %d/Khash\n", len(self.worker.agents), self.HashRate()) + } } - - go self.mine() - } + */ } -func (self *Miner) finiliseTxs() types.Transactions { - // Sort the transactions by nonce in case of odd network propagation - actualSize := len(self.localTxs) // See copy below - txs := make(types.Transactions, actualSize+self.eth.TxPool().Size()) - - state := self.eth.ChainManager().TransState() - // XXX This has to change. Coinbase is, for new, same as key. - key := self.eth.KeyManager() - for i, ltx := range self.localTxs { - tx := types.NewTransactionMessage(ltx.To, ethutil.Big(ltx.Value), ethutil.Big(ltx.Gas), ethutil.Big(ltx.GasPrice), ltx.Data) - tx.SetNonce(state.GetNonce(self.Coinbase)) - state.SetNonce(self.Coinbase, tx.Nonce()+1) - - tx.Sign(key.PrivateKey()) - - txs[i] = tx - } +func (self *Miner) Stop() { + self.worker.stop() +} - // Faster than append - for _, tx := range self.eth.TxPool().GetTransactions() { - if tx.GasPrice().Cmp(self.MinAcceptedGasPrice) >= 0 { - txs[actualSize] = tx - actualSize++ - } +func (self *Miner) HashRate() int64 { + var tot int64 + for _, agent := range self.worker.agents { + tot += agent.Pow().GetHashrate() } - newTransactions := make(types.Transactions, actualSize) - copy(newTransactions, txs[:actualSize]) - sort.Sort(types.TxByNonce{newTransactions}) - - return newTransactions + return tot } |