diff options
Diffstat (limited to 'miner/worker.go')
-rw-r--r-- | miner/worker.go | 84 |
1 files changed, 38 insertions, 46 deletions
diff --git a/miner/worker.go b/miner/worker.go index 2f090924e..347de4e08 100644 --- a/miner/worker.go +++ b/miner/worker.go @@ -26,6 +26,8 @@ import ( "github.com/ethereum/go-ethereum/accounts" "github.com/ethereum/go-ethereum/common" + "github.com/ethereum/go-ethereum/consensus" + "github.com/ethereum/go-ethereum/consensus/misc" "github.com/ethereum/go-ethereum/core" "github.com/ethereum/go-ethereum/core/state" "github.com/ethereum/go-ethereum/core/types" @@ -34,7 +36,6 @@ import ( "github.com/ethereum/go-ethereum/event" "github.com/ethereum/go-ethereum/log" "github.com/ethereum/go-ethereum/params" - "github.com/ethereum/go-ethereum/pow" "gopkg.in/fatih/set.v0" ) @@ -84,6 +85,7 @@ type Result struct { // worker is the main object which takes care of applying messages to the new state type worker struct { config *params.ChainConfig + engine consensus.Engine mu sync.Mutex @@ -94,7 +96,6 @@ type worker struct { agents map[Agent]struct{} recv chan *Result - pow pow.PoW eth Backend chain *core.BlockChain @@ -123,9 +124,10 @@ type worker struct { fullValidation bool } -func newWorker(config *params.ChainConfig, coinbase common.Address, eth Backend, mux *event.TypeMux) *worker { +func newWorker(config *params.ChainConfig, engine consensus.Engine, coinbase common.Address, eth Backend, mux *event.TypeMux) *worker { worker := &worker{ config: config, + engine: engine, eth: eth, mux: mux, chainDb: eth.ChainDb(), @@ -209,16 +211,10 @@ func (self *worker) stop() { self.mu.Lock() defer self.mu.Unlock() if atomic.LoadInt32(&self.mining) == 1 { - // Stop all agents. for agent := range self.agents { agent.Stop() - // Remove CPU agents. - if _, ok := agent.(*CpuAgent); ok { - delete(self.agents, agent) - } } } - atomic.StoreInt32(&self.mining, 0) atomic.StoreInt32(&self.atWork, 0) } @@ -277,7 +273,7 @@ func (self *worker) wait() { if self.fullValidation { if _, err := self.chain.InsertChain(types.Blocks{block}); err != nil { - log.Error(fmt.Sprint("mining err", err)) + log.Error("Mined invalid block", "err", err) continue } go self.mux.Post(core.NewMinedBlockEvent{Block: block}) @@ -285,19 +281,16 @@ func (self *worker) wait() { work.state.Commit(self.config.IsEIP158(block.Number())) parent := self.chain.GetBlock(block.ParentHash(), block.NumberU64()-1) if parent == nil { - log.Error(fmt.Sprint("Invalid block found during mining")) + log.Error("Invalid block found during mining") continue } - - auxValidator := self.eth.BlockChain().AuxValidator() - if err := core.ValidateHeader(self.config, auxValidator, block.Header(), parent.Header(), true, false); err != nil && err != core.BlockFutureErr { - log.Error(fmt.Sprint("Invalid header on mined block:", err)) + if err := self.engine.VerifyHeader(self.chain, block.Header(), false); err != nil { + log.Error("Invalid header on mined block", "err", err) continue } - stat, err := self.chain.WriteBlock(block) if err != nil { - log.Error(fmt.Sprint("error writing block to chain", err)) + log.Error("Failed writing block to chain", "err", err) continue } @@ -333,7 +326,7 @@ func (self *worker) wait() { self.mux.Post(logs) } if err := core.WriteBlockReceipts(self.chainDb, block.Hash(), block.NumberU64(), receipts); err != nil { - log.Warn(fmt.Sprint("error writing block receipts:", err)) + log.Warn("Failed writing block receipts", "err", err) } }(block, work.state.Logs(), work.receipts) } @@ -424,9 +417,9 @@ func (self *worker) commitNewWork() { tstamp = parent.Time().Int64() + 1 } // this will ensure we're not going off too far in the future - if now := time.Now().Unix(); tstamp > now+4 { + if now := time.Now().Unix(); tstamp > now+1 { wait := time.Duration(tstamp-now) * time.Second - log.Info(fmt.Sprint("We are too far in the future. Waiting for", wait)) + log.Info("Mining too far in the future", "wait", common.PrettyDuration(wait)) time.Sleep(wait) } @@ -434,13 +427,19 @@ func (self *worker) commitNewWork() { header := &types.Header{ ParentHash: parent.Hash(), Number: num.Add(num, common.Big1), - Difficulty: core.CalcDifficulty(self.config, uint64(tstamp), parent.Time().Uint64(), parent.Number(), parent.Difficulty()), GasLimit: core.CalcGasLimit(parent), GasUsed: new(big.Int), - Coinbase: self.coinbase, Extra: self.extra, Time: big.NewInt(tstamp), } + // Only set the coinbase if we are mining (avoid spurious block rewards) + if atomic.LoadInt32(&self.mining) == 1 { + header.Coinbase = self.coinbase + } + if err := self.engine.Prepare(self.chain, header); err != nil { + log.Error("Failed to prepare header for mining", "err", err) + return + } // If we are care about TheDAO hard-fork check whether to override the extra-data or not if daoBlock := self.config.DAOForkBlock; daoBlock != nil { // Check whether the block is among the fork extra-override range @@ -457,21 +456,19 @@ func (self *worker) commitNewWork() { // Could potentially happen if starting to mine in an odd state. err := self.makeCurrent(parent, header) if err != nil { - log.Info(fmt.Sprint("Could not create new env for mining, retrying on next block.")) + log.Error("Failed to create mining context", "err", err) return } // Create the current work task and check any fork transitions needed work := self.current if self.config.DAOForkSupport && self.config.DAOForkBlock != nil && self.config.DAOForkBlock.Cmp(header.Number) == 0 { - core.ApplyDAOHardFork(work.state) + misc.ApplyDAOHardFork(work.state) } - pending, err := self.eth.TxPool().Pending() if err != nil { - log.Error(fmt.Sprintf("Could not fetch pending transactions: %v", err)) + log.Error("Failed to fetch pending transactions", "err", err) return } - txs := types.NewTransactionsByPriceAndNonce(pending) work.commitTransactions(self.mux, txs, self.gasPrice, self.chain) @@ -488,31 +485,26 @@ func (self *worker) commitNewWork() { break } if err := self.commitUncle(work, uncle.Header()); err != nil { - log.Trace(fmt.Sprintf("Bad uncle found and will be removed (%x)\n", hash[:4])) + log.Trace("Bad uncle found and will be removed", "hash", hash) log.Trace(fmt.Sprint(uncle)) badUncles = append(badUncles, hash) } else { - log.Debug(fmt.Sprintf("committing %x as uncle\n", hash[:4])) + log.Debug("Committing new uncle to block", "hash", hash) uncles = append(uncles, uncle.Header()) } } for _, hash := range badUncles { delete(self.possibleUncles, hash) } - - if atomic.LoadInt32(&self.mining) == 1 { - // commit state root after all state transitions. - core.AccumulateRewards(work.state, header, uncles) - header.Root = work.state.IntermediateRoot(self.config.IsEIP158(header.Number)) + // Create the new block to seal with the consensus engine + if work.Block, err = self.engine.Finalize(self.chain, header, work.state, work.txs, uncles, work.receipts); err != nil { + log.Error("Failed to finalize block for sealing", "err", err) + return } - - // create the new block whose nonce will be mined. - work.Block = types.NewBlock(header, work.txs, uncles, work.receipts) - // We only care about logging if we're actually mining. if atomic.LoadInt32(&self.mining) == 1 { - log.Info(fmt.Sprintf("commit new work on block %v with %d txs & %d uncles. Took %v\n", work.Block.Number(), work.tcount, len(uncles), time.Since(tstart))) + log.Info("Commit new mining work", "number", work.Block.Number(), "txs", work.tcount, "uncles", len(uncles), "elapsed", common.PrettyDuration(time.Since(tstart))) self.unconfirmed.Shift(work.Block.NumberU64() - 1) } self.push(work) @@ -521,13 +513,13 @@ func (self *worker) commitNewWork() { func (self *worker) commitUncle(work *Work, uncle *types.Header) error { hash := uncle.Hash() if work.uncles.Has(hash) { - return core.UncleError("Uncle not unique") + return core.UncleError("uncle not unique") } if !work.ancestors.Has(uncle.ParentHash) { - return core.UncleError(fmt.Sprintf("Uncle's parent unknown (%x)", uncle.ParentHash[0:4])) + return core.UncleError(fmt.Sprintf("uncle's parent unknown (%x)", uncle.ParentHash[0:4])) } if work.family.Has(hash) { - return core.UncleError(fmt.Sprintf("Uncle already in family (%x)", hash)) + return core.UncleError(fmt.Sprintf("uncle already in family (%x)", hash)) } work.uncles.Add(uncle.Hash()) return nil @@ -552,7 +544,7 @@ func (env *Work) commitTransactions(mux *event.TypeMux, txs *types.TransactionsB // Check whether the tx is replay protected. If we're not in the EIP155 hf // phase, start ignoring the sender until we do. if tx.Protected() && !env.config.IsEIP155(env.header.Number) { - log.Trace(fmt.Sprintf("Transaction (%x) is replay protected, but we haven't yet hardforked. Transaction will be ignored until we hardfork.\n", tx.Hash())) + log.Trace("Ignoring reply protected transaction", "hash", tx.Hash(), "eip155", env.config.EIP155Block) txs.Pop() continue @@ -561,7 +553,7 @@ func (env *Work) commitTransactions(mux *event.TypeMux, txs *types.TransactionsB // Ignore any transactions (and accounts subsequently) with low gas limits if tx.GasPrice().Cmp(gasPrice) < 0 && !env.ownedAccounts.Has(from) { // Pop the current low-priced transaction without shifting in the next from the account - log.Info(fmt.Sprintf("Transaction (%x) below gas price (tx=%dwei ask=%dwei). All sequential txs from this address(%x) will be ignored\n", tx.Hash().Bytes()[:4], tx.GasPrice(), gasPrice, from[:4])) + log.Warn("Transaction below gas price", "sender", from, "hash", tx.Hash(), "have", tx.GasPrice(), "want", gasPrice) env.lowGasTxs = append(env.lowGasTxs, tx) txs.Pop() @@ -575,12 +567,12 @@ func (env *Work) commitTransactions(mux *event.TypeMux, txs *types.TransactionsB switch { case core.IsGasLimitErr(err): // Pop the current out-of-gas transaction without shifting in the next from the account - log.Trace(fmt.Sprintf("Gas limit reached for (%x) in this block. Continue to try smaller txs\n", from[:4])) + log.Trace("Gas limit exceeded for current block", "sender", from) txs.Pop() case err != nil: // Pop the current failed transaction without shifting in the next from the account - log.Trace(fmt.Sprintf("Transaction (%x) failed, will be removed: %v\n", tx.Hash().Bytes()[:4], err)) + log.Trace("Transaction failed, will be removed", "hash", tx.Hash(), "err", err) env.failedTxs = append(env.failedTxs, tx) txs.Pop() |