Merge pull request #1260 from obscuren/tx-drop-low-tx

core: drop low gas tx
This commit is contained in:
Jeffrey Wilcke 2015-06-15 09:09:44 -07:00
commit cc0b451119
8 changed files with 60 additions and 24 deletions

View File

@ -1,6 +1,7 @@
package common
import (
"fmt"
"math/big"
"math/rand"
"reflect"
@ -95,3 +96,13 @@ func (a *Address) Set(other Address) {
a[i] = v
}
}
// PP Pretty Prints a byte slice in the following format:
// hex(value[:4])...(hex[len(value)-4:])
func PP(value []byte) string {
if len(value) <= 8 {
return Bytes2Hex(value)
}
return fmt.Sprintf("%x...%x", value[:4], value[len(value)-4])
}

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@ -5,7 +5,6 @@ import (
"fmt"
"io"
"math/big"
"os"
"runtime"
"sync"
"sync/atomic"
@ -235,15 +234,8 @@ func (bc *ChainManager) setLastState() {
if block != nil {
bc.currentBlock = block
bc.lastBlockHash = block.Hash()
} else { // TODO CLEAN THIS UP TMP CODE
block = bc.GetBlockByNumber(400000)
if block == nil {
fmt.Println("Fatal. LastBlock not found. Report this issue")
os.Exit(1)
}
bc.currentBlock = block
bc.lastBlockHash = block.Hash()
bc.insert(block)
} else {
glog.Fatalf("Fatal. LastBlock not found. Please run removedb and resync")
}
} else {
bc.Reset()

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@ -19,6 +19,7 @@ var (
// Transaction Pool Errors
ErrInvalidSender = errors.New("Invalid sender")
ErrNonce = errors.New("Nonce too low")
ErrCheap = errors.New("Gas price too low for acceptance")
ErrBalance = errors.New("Insufficient balance")
ErrNonExistentAccount = errors.New("Account does not exist or account balance too low")
ErrInsufficientFunds = errors.New("Insufficient funds for gas * price + value")
@ -27,6 +28,10 @@ var (
ErrNegativeValue = errors.New("Negative value")
)
const (
maxQueued = 200 // max limit of queued txs per address
)
type stateFn func() *state.StateDB
// TxPool contains all currently known transactions. Transactions
@ -41,6 +46,7 @@ type TxPool struct {
currentState stateFn // The state function which will allow us to do some pre checkes
pendingState *state.ManagedState
gasLimit func() *big.Int // The current gas limit function callback
minGasPrice *big.Int
eventMux *event.TypeMux
events event.Subscription
@ -57,8 +63,9 @@ func NewTxPool(eventMux *event.TypeMux, currentStateFn stateFn, gasLimitFn func(
eventMux: eventMux,
currentState: currentStateFn,
gasLimit: gasLimitFn,
minGasPrice: new(big.Int),
pendingState: state.ManageState(currentStateFn()),
events: eventMux.Subscribe(ChainEvent{}),
events: eventMux.Subscribe(ChainEvent{}, GasPriceChanged{}),
}
go pool.eventLoop()
@ -69,10 +76,15 @@ func (pool *TxPool) eventLoop() {
// Track chain events. When a chain events occurs (new chain canon block)
// we need to know the new state. The new state will help us determine
// the nonces in the managed state
for _ = range pool.events.Chan() {
for ev := range pool.events.Chan() {
pool.mu.Lock()
pool.resetState()
switch ev := ev.(type) {
case ChainEvent:
pool.resetState()
case GasPriceChanged:
pool.minGasPrice = ev.Price
}
pool.mu.Unlock()
}
@ -124,6 +136,11 @@ func (pool *TxPool) validateTx(tx *types.Transaction) error {
err error
)
// Drop transactions under our own minimal accepted gas price
if pool.minGasPrice.Cmp(tx.GasPrice()) > 0 {
return ErrCheap
}
// Validate the transaction sender and it's sig. Throw
// if the from fields is invalid.
if from, err = tx.From(); err != nil {
@ -335,7 +352,16 @@ func (pool *TxPool) checkQueue() {
// Find the next consecutive nonce range starting at the
// current account nonce.
sort.Sort(addq)
for _, e := range addq {
for i, e := range addq {
// start deleting the transactions from the queue if they exceed the limit
if i > maxQueued {
if glog.V(logger.Debug) {
glog.Infof("Queued tx limit exceeded for %s. Tx %s removed\n", common.PP(address[:]), common.PP(e.hash[:]))
}
delete(pool.queue[address], e.hash)
continue
}
if e.AccountNonce > guessedNonce {
break
}

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@ -310,6 +310,7 @@ func New(config *Config) (*Ethereum, error) {
return nil, err
}
eth.txPool = core.NewTxPool(eth.EventMux(), eth.chainManager.State, eth.chainManager.GasLimit)
eth.blockProcessor = core.NewBlockProcessor(stateDb, extraDb, eth.pow, eth.chainManager, eth.EventMux())
eth.chainManager.SetProcessor(eth.blockProcessor)
eth.protocolManager = NewProtocolManager(config.ProtocolVersion, config.NetworkId, eth.eventMux, eth.txPool, eth.chainManager)

View File

@ -77,7 +77,7 @@ func (m *Miner) SetGasPrice(price *big.Int) {
return
}
m.worker.gasPrice = price
m.worker.setGasPrice(price)
}
func (self *Miner) Start(coinbase common.Address, threads int) {

View File

@ -6,6 +6,7 @@ import (
"sort"
"sync"
"sync/atomic"
"time"
"github.com/ethereum/go-ethereum/accounts"
"github.com/ethereum/go-ethereum/common"
@ -374,6 +375,8 @@ func (self *worker) commitNewWork() {
self.currentMu.Lock()
defer self.currentMu.Unlock()
tstart := time.Now()
previous := self.current
self.makeCurrent()
current := self.current
@ -409,7 +412,7 @@ func (self *worker) commitNewWork() {
// 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\n", current.block.Number(), current.tcount, len(uncles))
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)
}
@ -437,7 +440,6 @@ func (self *worker) commitUncle(uncle *types.Header) error {
// Error not unique
return core.UncleError("Uncle not unique")
}
self.current.uncles.Add(uncle.Hash())
if !self.current.ancestors.Has(uncle.ParentHash) {
return core.UncleError(fmt.Sprintf("Uncle's parent unknown (%x)", uncle.ParentHash[0:4]))
@ -446,6 +448,7 @@ func (self *worker) commitUncle(uncle *types.Header) error {
if self.current.family.Has(uncle.Hash()) {
return core.UncleError(fmt.Sprintf("Uncle already in family (%x)", uncle.Hash()))
}
self.current.uncles.Add(uncle.Hash())
return nil
}

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@ -259,7 +259,14 @@ func (self *ethApi) SendTransaction(req *shared.Request) (interface{}, error) {
nonce = args.Nonce.String()
}
v, err := self.xeth.Transact(args.From, args.To, nonce, args.Value.String(), args.Gas.String(), args.GasPrice.String(), args.Data)
var gas, price string
if args.Gas != nil {
gas = args.Gas.String()
}
if args.GasPrice != nil {
price = args.GasPrice.String()
}
v, err := self.xeth.Transact(args.From, args.To, nonce, args.Value.String(), gas, price, args.Data)
if err != nil {
return nil, err
}

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@ -333,9 +333,7 @@ func (args *NewTxArgs) UnmarshalJSON(b []byte) (err error) {
args.Value = num
num = nil
if ext.Gas == nil {
num = big.NewInt(0)
} else {
if ext.Gas != nil {
if num, err = numString(ext.Gas); err != nil {
return err
}
@ -343,9 +341,7 @@ func (args *NewTxArgs) UnmarshalJSON(b []byte) (err error) {
args.Gas = num
num = nil
if ext.GasPrice == nil {
num = big.NewInt(0)
} else {
if ext.GasPrice != nil {
if num, err = numString(ext.GasPrice); err != nil {
return err
}