aboutsummaryrefslogtreecommitdiffstats
path: root/miner/worker.go
diff options
context:
space:
mode:
Diffstat (limited to 'miner/worker.go')
-rw-r--r--miner/worker.go237
1 files changed, 119 insertions, 118 deletions
diff --git a/miner/worker.go b/miner/worker.go
index 55c23376c..0971bd957 100644
--- a/miner/worker.go
+++ b/miner/worker.go
@@ -49,10 +49,8 @@ type uint64RingBuffer struct {
// environment is the workers current environment and holds
// all of the current state information
type environment struct {
- totalUsedGas *big.Int // total gas usage in the cycle
state *state.StateDB // apply state changes here
coinbase *state.StateObject // the miner's account
- block *types.Block // the new block
ancestors *set.Set // ancestor set (used for checking uncle parent validity)
family *set.Set // family set (used for checking uncle invalidity)
uncles *set.Set // uncle set
@@ -63,22 +61,12 @@ type environment struct {
ownedAccounts *set.Set
lowGasTxs types.Transactions
localMinedBlocks *uint64RingBuffer // the most recent block numbers that were mined locally (used to check block inclusion)
-}
-// env returns a new environment for the current cycle
-func env(block *types.Block, eth core.Backend) *environment {
- state := state.New(block.Root(), eth.StateDb())
- env := &environment{
- totalUsedGas: new(big.Int),
- state: state,
- block: block,
- ancestors: set.New(),
- family: set.New(),
- uncles: set.New(),
- coinbase: state.GetOrNewStateObject(block.Coinbase()),
- }
+ block *types.Block // the new block
- return env
+ header *types.Header
+ txs []*types.Transaction
+ receipts []*types.Receipt
}
// worker is the main object which takes care of applying messages to the new state
@@ -137,14 +125,20 @@ func newWorker(coinbase common.Address, eth core.Backend) *worker {
func (self *worker) pendingState() *state.StateDB {
self.currentMu.Lock()
defer self.currentMu.Unlock()
-
return self.current.state
}
func (self *worker) pendingBlock() *types.Block {
self.currentMu.Lock()
defer self.currentMu.Unlock()
-
+ if atomic.LoadInt32(&self.mining) == 0 {
+ return types.NewBlock(
+ self.current.header,
+ self.current.txs,
+ nil,
+ self.current.receipts,
+ )
+ }
return self.current.block
}
@@ -206,7 +200,7 @@ out:
// Apply transaction to the pending state if we're not mining
if atomic.LoadInt32(&self.mining) == 0 {
self.mu.Lock()
- self.commitTransactions(types.Transactions{ev.Tx})
+ self.current.commitTransactions(types.Transactions{ev.Tx}, self.gasPrice, self.proc)
self.mu.Unlock()
}
}
@@ -239,46 +233,46 @@ func (self *worker) wait() {
continue
}
- if _, err := self.chain.InsertChain(types.Blocks{block}); err == nil {
- for _, uncle := range block.Uncles() {
- delete(self.possibleUncles, uncle.Hash())
- }
- self.mux.Post(core.NewMinedBlockEvent{block})
-
- var stale, confirm string
- canonBlock := self.chain.GetBlockByNumber(block.NumberU64())
- if canonBlock != nil && canonBlock.Hash() != block.Hash() {
- stale = "stale "
- } else {
- confirm = "Wait 5 blocks for confirmation"
- self.current.localMinedBlocks = newLocalMinedBlock(block.Number().Uint64(), self.current.localMinedBlocks)
- }
-
- glog.V(logger.Info).Infof("🔨 Mined %sblock (#%v / %x). %s", stale, block.Number(), block.Hash().Bytes()[:4], confirm)
+ _, err := self.chain.WriteBlock(block)
+ if err != nil {
+ glog.V(logger.Error).Infoln("error writing block to chain", err)
+ continue
+ }
- jsonlogger.LogJson(&logger.EthMinerNewBlock{
- BlockHash: block.Hash().Hex(),
- BlockNumber: block.Number(),
- ChainHeadHash: block.ParentHeaderHash.Hex(),
- BlockPrevHash: block.ParentHeaderHash.Hex(),
- })
+ // check staleness and display confirmation
+ var stale, confirm string
+ canonBlock := self.chain.GetBlockByNumber(block.NumberU64())
+ if canonBlock != nil && canonBlock.Hash() != block.Hash() {
+ stale = "stale "
} else {
- self.commitNewWork()
+ confirm = "Wait 5 blocks for confirmation"
+ self.current.localMinedBlocks = newLocalMinedBlock(block.Number().Uint64(), self.current.localMinedBlocks)
}
+
+ glog.V(logger.Info).Infof("🔨 Mined %sblock (#%v / %x). %s", stale, block.Number(), block.Hash().Bytes()[:4], confirm)
+
+ // broadcast before waiting for validation
+ go self.mux.Post(core.NewMinedBlockEvent{block})
+
+ self.commitNewWork()
}
}
}
func (self *worker) push() {
if atomic.LoadInt32(&self.mining) == 1 {
- self.current.block.SetRoot(self.current.state.Root())
+ if core.Canary(self.current.state) {
+ glog.Infoln("Toxicity levels rising to deadly levels. Your canary has died. You can go back or continue down the mineshaft --more--")
+ glog.Infoln("You turn back and abort mining")
+ return
+ }
// push new work to agents
for _, agent := range self.agents {
atomic.AddInt32(&self.atWork, 1)
if agent.Work() != nil {
- agent.Work() <- self.current.block.Copy()
+ agent.Work() <- self.current.block
} else {
common.Report(fmt.Sprintf("%v %T\n", agent, agent))
}
@@ -286,22 +280,20 @@ func (self *worker) push() {
}
}
-func (self *worker) makeCurrent() {
- block := self.chain.NewBlock(self.coinbase)
- parent := self.chain.GetBlock(block.ParentHash())
- // TMP fix for build server ...
- if parent == nil {
- return
- }
-
- if block.Time() <= parent.Time() {
- block.Header().Time = parent.Header().Time + 1
+// makeCurrent creates a new environment for the current cycle.
+func (self *worker) makeCurrent(parent *types.Block, header *types.Header) {
+ state := state.New(parent.Root(), self.eth.StateDb())
+ current := &environment{
+ state: state,
+ ancestors: set.New(),
+ family: set.New(),
+ uncles: set.New(),
+ header: header,
+ coinbase: state.GetOrNewStateObject(self.coinbase),
}
- block.Header().Extra = self.extra
// when 08 is processed ancestors contain 07 (quick block)
- current := env(block, self.eth)
- for _, ancestor := range self.chain.GetAncestors(block, 7) {
+ for _, ancestor := range self.chain.GetBlocksFromHash(parent.Hash(), 7) {
for _, uncle := range ancestor.Uncles() {
current.family.Add(uncle.Hash())
}
@@ -309,6 +301,7 @@ func (self *worker) makeCurrent() {
current.ancestors.Add(ancestor.Hash())
}
accounts, _ := self.eth.AccountManager().Accounts()
+
// Keep track of transactions which return errors so they can be removed
current.remove = set.New()
current.tcount = 0
@@ -318,9 +311,6 @@ func (self *worker) makeCurrent() {
if self.current != nil {
current.localMinedBlocks = self.current.localMinedBlocks
}
-
- current.coinbase.SetGasLimit(core.CalcGasLimit(parent))
-
self.current = current
}
@@ -352,13 +342,13 @@ func (self *worker) isBlockLocallyMined(deepBlockNum uint64) bool {
//Does the block at {deepBlockNum} send earnings to my coinbase?
var block = self.chain.GetBlockByNumber(deepBlockNum)
- return block != nil && block.Header().Coinbase == self.coinbase
+ return block != nil && block.Coinbase() == self.coinbase
}
func (self *worker) logLocalMinedBlocks(previous *environment) {
if previous != nil && self.current.localMinedBlocks != nil {
- nextBlockNum := self.current.block.Number().Uint64()
- for checkBlockNum := previous.block.Number().Uint64(); checkBlockNum < nextBlockNum; checkBlockNum++ {
+ nextBlockNum := self.current.block.NumberU64()
+ for checkBlockNum := previous.block.NumberU64(); checkBlockNum < nextBlockNum; checkBlockNum++ {
inspectBlockNum := checkBlockNum - miningLogAtDepth
if self.isBlockLocallyMined(inspectBlockNum) {
glog.V(logger.Info).Infof("🔨 🔗 Mined %d blocks back: block #%v", miningLogAtDepth, inspectBlockNum)
@@ -376,18 +366,42 @@ func (self *worker) commitNewWork() {
defer self.currentMu.Unlock()
tstart := time.Now()
+ parent := self.chain.CurrentBlock()
+ tstamp := tstart.Unix()
+ if tstamp <= parent.Time() {
+ tstamp = parent.Time() + 1
+ }
+ // this will ensure we're not going off too far in the future
+ if now := time.Now().Unix(); tstamp > now+4 {
+ wait := time.Duration(tstamp-now) * time.Second
+ glog.V(logger.Info).Infoln("We are too far in the future. Waiting for", wait)
+ time.Sleep(wait)
+ }
+
+ num := parent.Number()
+ header := &types.Header{
+ ParentHash: parent.Hash(),
+ Number: num.Add(num, common.Big1),
+ Difficulty: core.CalcDifficulty(tstamp, parent.Time(), parent.Difficulty()),
+ GasLimit: core.CalcGasLimit(parent),
+ GasUsed: new(big.Int),
+ Coinbase: self.coinbase,
+ Extra: self.extra,
+ Time: uint64(tstamp),
+ }
previous := self.current
- self.makeCurrent()
+ self.makeCurrent(parent, header)
current := self.current
+ // commit transactions for this run.
transactions := self.eth.TxPool().GetTransactions()
sort.Sort(types.TxByNonce{transactions})
-
- // commit transactions for this run
- self.commitTransactions(transactions)
+ current.coinbase.SetGasLimit(header.GasLimit)
+ current.commitTransactions(transactions, self.gasPrice, self.proc)
self.eth.TxPool().RemoveTransactions(current.lowGasTxs)
+ // compute uncles for the new block.
var (
uncles []*types.Header
badUncles []common.Hash
@@ -396,88 +410,80 @@ func (self *worker) commitNewWork() {
if len(uncles) == 2 {
break
}
-
if err := self.commitUncle(uncle.Header()); err != nil {
if glog.V(logger.Ridiculousness) {
glog.V(logger.Detail).Infof("Bad uncle found and will be removed (%x)\n", hash[:4])
glog.V(logger.Detail).Infoln(uncle)
}
-
badUncles = append(badUncles, hash)
} else {
glog.V(logger.Debug).Infof("commiting %x as uncle\n", hash[:4])
uncles = append(uncles, uncle.Header())
}
}
-
- // We only care about logging if we're actually mining
- if atomic.LoadInt32(&self.mining) == 1 {
- glog.V(logger.Info).Infof("commit new work on block %v with %d txs & %d uncles. Took %v\n", current.block.Number(), current.tcount, len(uncles), time.Since(tstart))
- self.logLocalMinedBlocks(previous)
- }
-
for _, hash := range badUncles {
delete(self.possibleUncles, hash)
}
- self.current.block.SetUncles(uncles)
+ if atomic.LoadInt32(&self.mining) == 1 {
+ // commit state root after all state transitions.
+ core.AccumulateRewards(self.current.state, header, uncles)
+ current.state.Update()
+ self.current.state.Sync()
+ header.Root = current.state.Root()
+ }
- core.AccumulateRewards(self.current.state, self.current.block)
+ // create the new block whose nonce will be mined.
+ current.block = types.NewBlock(header, current.txs, uncles, current.receipts)
+ self.current.block.Td = new(big.Int).Set(core.CalcTD(self.current.block, self.chain.GetBlock(self.current.block.ParentHash())))
- self.current.state.Update()
+ // We only care about logging if we're actually mining.
+ if atomic.LoadInt32(&self.mining) == 1 {
+ glog.V(logger.Info).Infof("commit new work on block %v with %d txs & %d uncles. Took %v\n", current.block.Number(), current.tcount, len(uncles), time.Since(tstart))
+ self.logLocalMinedBlocks(previous)
+ }
self.push()
}
-var (
- inclusionReward = new(big.Int).Div(core.BlockReward, big.NewInt(32))
- _uncleReward = new(big.Int).Mul(core.BlockReward, big.NewInt(15))
- uncleReward = new(big.Int).Div(_uncleReward, big.NewInt(16))
-)
-
func (self *worker) commitUncle(uncle *types.Header) error {
- if self.current.uncles.Has(uncle.Hash()) {
- // Error not unique
+ hash := uncle.Hash()
+ if self.current.uncles.Has(hash) {
return core.UncleError("Uncle not unique")
}
-
if !self.current.ancestors.Has(uncle.ParentHash) {
return core.UncleError(fmt.Sprintf("Uncle's parent unknown (%x)", uncle.ParentHash[0:4]))
}
-
- if self.current.family.Has(uncle.Hash()) {
- return core.UncleError(fmt.Sprintf("Uncle already in family (%x)", uncle.Hash()))
+ if self.current.family.Has(hash) {
+ return core.UncleError(fmt.Sprintf("Uncle already in family (%x)", hash))
}
self.current.uncles.Add(uncle.Hash())
-
return nil
}
-func (self *worker) commitTransactions(transactions types.Transactions) {
- current := self.current
-
+func (env *environment) commitTransactions(transactions types.Transactions, gasPrice *big.Int, proc *core.BlockProcessor) {
for _, tx := range transactions {
// We can skip err. It has already been validated in the tx pool
from, _ := tx.From()
// Check if it falls within margin. Txs from owned accounts are always processed.
- if tx.GasPrice().Cmp(self.gasPrice) < 0 && !current.ownedAccounts.Has(from) {
+ if tx.GasPrice().Cmp(gasPrice) < 0 && !env.ownedAccounts.Has(from) {
// ignore the transaction and transactor. We ignore the transactor
// because nonce will fail after ignoring this transaction so there's
// no point
- current.lowGasTransactors.Add(from)
+ env.lowGasTransactors.Add(from)
- glog.V(logger.Info).Infof("transaction(%x) below gas price (tx=%v ask=%v). All sequential txs from this address(%x) will be ignored\n", tx.Hash().Bytes()[:4], common.CurrencyToString(tx.GasPrice()), common.CurrencyToString(self.gasPrice), from[:4])
+ glog.V(logger.Info).Infof("transaction(%x) below gas price (tx=%v ask=%v). All sequential txs from this address(%x) will be ignored\n", tx.Hash().Bytes()[:4], common.CurrencyToString(tx.GasPrice()), common.CurrencyToString(gasPrice), from[:4])
}
// Continue with the next transaction if the transaction sender is included in
// the low gas tx set. This will also remove the tx and all sequential transaction
// from this transactor
- if current.lowGasTransactors.Has(from) {
+ if env.lowGasTransactors.Has(from) {
// add tx to the low gas set. This will be removed at the end of the run
// owned accounts are ignored
- if !current.ownedAccounts.Has(from) {
- current.lowGasTxs = append(current.lowGasTxs, tx)
+ if !env.ownedAccounts.Has(from) {
+ env.lowGasTxs = append(env.lowGasTxs, tx)
}
continue
}
@@ -487,46 +493,41 @@ func (self *worker) commitTransactions(transactions types.Transactions) {
// the transaction is processed (that could potentially be included in the block) it
// will throw a nonce error because the previous transaction hasn't been processed.
// Therefor we need to ignore any transaction after the ignored one.
- if current.ignoredTransactors.Has(from) {
+ if env.ignoredTransactors.Has(from) {
continue
}
- self.current.state.StartRecord(tx.Hash(), common.Hash{}, 0)
+ env.state.StartRecord(tx.Hash(), common.Hash{}, 0)
- err := self.commitTransaction(tx)
+ err := env.commitTransaction(tx, proc)
switch {
case core.IsNonceErr(err) || core.IsInvalidTxErr(err):
- current.remove.Add(tx.Hash())
+ env.remove.Add(tx.Hash())
if glog.V(logger.Detail) {
glog.Infof("TX (%x) failed, will be removed: %v\n", tx.Hash().Bytes()[:4], err)
}
case state.IsGasLimitErr(err):
- from, _ := tx.From()
// ignore the transactor so no nonce errors will be thrown for this account
// next time the worker is run, they'll be picked up again.
- current.ignoredTransactors.Add(from)
+ env.ignoredTransactors.Add(from)
glog.V(logger.Detail).Infof("Gas limit reached for (%x) in this block. Continue to try smaller txs\n", from[:4])
default:
- current.tcount++
+ env.tcount++
}
}
-
- self.current.block.Header().GasUsed = self.current.totalUsedGas
}
-func (self *worker) commitTransaction(tx *types.Transaction) error {
- snap := self.current.state.Copy()
- receipt, _, err := self.proc.ApplyTransaction(self.current.coinbase, self.current.state, self.current.block, tx, self.current.totalUsedGas, true)
+func (env *environment) commitTransaction(tx *types.Transaction, proc *core.BlockProcessor) error {
+ snap := env.state.Copy()
+ receipt, _, err := proc.ApplyTransaction(env.coinbase, env.state, env.header, tx, env.header.GasUsed, true)
if err != nil && (core.IsNonceErr(err) || state.IsGasLimitErr(err) || core.IsInvalidTxErr(err)) {
- self.current.state.Set(snap)
+ env.state.Set(snap)
return err
}
-
- self.current.block.AddTransaction(tx)
- self.current.block.AddReceipt(receipt)
-
+ env.txs = append(env.txs, tx)
+ env.receipts = append(env.receipts, receipt)
return nil
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-06 15:32:37 +0800