mirror
/
go-ethereum
mirror of https://github.com/ethereum/go-ethereum
2
0
Fork 1
Code Issues Releases Wiki Activity

Merge pull request #1507 from obscuren/batch-write

Browse Source 
cmd/core,xeth: removed unneeded states & added batch writes
pull/1516/head
Jeffrey Wilcke 9 years ago
parent 0cff61beda 8fc9830971
commit adc7ab0dd6
5 changed files with 120 additions and 59 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Show Stats Download Patch File Download Diff File
  1. 106
      cmd/evm/main.go
  2. 22
      core/chain_manager.go
  3. 1
      core/chain_manager_test.go
  4. 34
      core/transaction_util.go
  5. 2
      xeth/xeth.go

106
cmd/evm/main.go
Unescape View File

@ -18,70 +18,112 @@
package main
import (
"flag"
"fmt"
"log"
"math/big"
"os"
"runtime"
"time"
"github.com/codegangsta/cli"
"github.com/ethereum/go-ethereum/cmd/utils"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/state"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/core/vm"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/logger"
)
var (
code = flag.String("code", "", "evm code")
loglevel = flag.Int("log", 4, "log level")
gas = flag.String("gas", "1000000000", "gas amount")
price = flag.String("price", "0", "gas price")
value = flag.String("value", "0", "tx value")
dump = flag.Bool("dump", false, "dump state after run")
data = flag.String("data", "", "data")
app *cli.App
DebugFlag = cli.BoolFlag{
Name: "debug",
Usage: "output full trace logs",
}
CodeFlag = cli.StringFlag{
Name: "code",
Usage: "EVM code",
}
GasFlag = cli.StringFlag{
Name: "gas",
Usage: "gas limit for the evm",
Value: "10000000000",
}
PriceFlag = cli.StringFlag{
Name: "price",
Usage: "price set for the evm",
Value: "0",
}
ValueFlag = cli.StringFlag{
Name: "value",
Usage: "value set for the evm",
Value: "0",
}
DumpFlag = cli.BoolFlag{
Name: "dump",
Usage: "dumps the state after the run",
}
InputFlag = cli.StringFlag{
Name: "input",
Usage: "input for the EVM",
}
SysStatFlag = cli.BoolFlag{
Name: "sysstat",
Usage: "display system stats",
}
)
func perr(v ...interface{}) {
fmt.Println(v...)
//os.Exit(1)
func init() {
app = utils.NewApp("0.2", "the evm command line interface")
app.Flags = []cli.Flag{
DebugFlag,
SysStatFlag,
CodeFlag,
GasFlag,
PriceFlag,
ValueFlag,
DumpFlag,
InputFlag,
}
app.Action = run
}
func main() {
flag.Parse()
logger.AddLogSystem(logger.NewStdLogSystem(os.Stdout, log.LstdFlags, logger.LogLevel(*loglevel)))
func run(ctx *cli.Context) {
vm.Debug = ctx.GlobalBool(DebugFlag.Name)
vm.Debug = true
db, _ := ethdb.NewMemDatabase()
statedb := state.New(common.Hash{}, db)
sender := statedb.CreateAccount(common.StringToAddress("sender"))
receiver := statedb.CreateAccount(common.StringToAddress("receiver"))
receiver.SetCode(common.Hex2Bytes(*code))
receiver.SetCode(common.Hex2Bytes(ctx.GlobalString(CodeFlag.Name)))
vmenv := NewEnv(statedb, common.StringToAddress("evmuser"), common.Big(*value))
vmenv := NewEnv(statedb, common.StringToAddress("evmuser"), common.Big(ctx.GlobalString(ValueFlag.Name)))
tstart := time.Now()
ret, e := vmenv.Call(
sender,
receiver.Address(),
common.Hex2Bytes(ctx.GlobalString(InputFlag.Name)),
common.Big(ctx.GlobalString(GasFlag.Name)),
common.Big(ctx.GlobalString(PriceFlag.Name)),
common.Big(ctx.GlobalString(ValueFlag.Name)),
)
vmdone := time.Since(tstart)
ret, e := vmenv.Call(sender, receiver.Address(), common.Hex2Bytes(*data), common.Big(*gas), common.Big(*price), common.Big(*value))
logger.Flush()
if e != nil {
perr(e)
fmt.Println(e)
os.Exit(1)
}
if *dump {
if ctx.GlobalBool(DumpFlag.Name) {
fmt.Println(string(statedb.Dump()))
}
vm.StdErrFormat(vmenv.StructLogs())
if ctx.GlobalBool(SysStatFlag.Name) {
var mem runtime.MemStats
runtime.ReadMemStats(&mem)
fmt.Printf("vm took %v\n", time.Since(tstart))
fmt.Printf("vm took %v\n", vmdone)
fmt.Printf(`alloc: %d
tot alloc: %d
no. malloc: %d
@ -89,8 +131,16 @@ heap alloc: %d
heap objs: %d
num gc: %d
`, mem.Alloc, mem.TotalAlloc, mem.Mallocs, mem.HeapAlloc, mem.HeapObjects, mem.NumGC)
}
fmt.Printf("OUT: 0x%x\n", ret)
}
fmt.Printf("%x\n", ret)
func main() {
if err := app.Run(os.Args); err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
}
type VMEnv struct {

22
core/chain_manager.go
Unescape View File

@ -73,9 +73,6 @@ type ChainManager struct {
lastBlockHash common.Hash
currentGasLimit *big.Int
transState *state.StateDB
txState *state.ManagedState
cache *lru.Cache // cache is the LRU caching
futureBlocks *lru.Cache // future blocks are blocks added for later processing
@ -128,9 +125,7 @@ func NewChainManager(blockDb, stateDb, extraDb common.Database, pow pow.PoW, mux
}
}
bc.transState = bc.State().Copy()
// Take ownership of this particular state
bc.txState = state.ManageState(bc.State().Copy())
bc.futureBlocks, _ = lru.New(maxFutureBlocks)
bc.makeCache()
@ -152,9 +147,6 @@ func (bc *ChainManager) SetHead(head *types.Block) {
bc.currentBlock = head
bc.makeCache()
statedb := state.New(head.Root(), bc.stateDb)
bc.txState = state.ManageState(statedb)
bc.transState = statedb.Copy()
bc.setTotalDifficulty(head.Td)
bc.insert(head)
bc.setLastState()
@ -203,17 +195,6 @@ func (self *ChainManager) State() *state.StateDB {
return state.New(self.CurrentBlock().Root(), self.stateDb)
}
func (self *ChainManager) TransState() *state.StateDB {
self.tsmu.RLock()
defer self.tsmu.RUnlock()
return self.transState
}
func (self *ChainManager) setTransState(statedb *state.StateDB) {
self.transState = statedb
}
func (bc *ChainManager) recover() bool {
data, _ := bc.blockDb.Get([]byte("checkpoint"))
if len(data) != 0 {
@ -529,9 +510,6 @@ func (self *ChainManager) WriteBlock(block *types.Block, queued bool) (status wr
self.insert(block)
self.mu.Unlock()
self.setTransState(state.New(block.Root(), self.stateDb))
self.txState.SetState(state.New(block.Root(), self.stateDb))
status = CanonStatTy
} else {
status = SideStatTy

1
core/chain_manager_test.go
Unescape View File

@ -392,7 +392,6 @@ func chm(genesis *types.Block, db common.Database) *ChainManager {
bc.futureBlocks, _ = lru.New(100)
bc.processor = bproc{}
bc.ResetWithGenesisBlock(genesis)
bc.txState = state.ManageState(bc.State())
return bc
}

34
core/transaction_util.go
Unescape View File

@ -19,9 +19,11 @@ package core
import (
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/logger/glog"
"github.com/ethereum/go-ethereum/rlp"
"github.com/syndtr/goleveldb/leveldb"
)
var (
@ -31,13 +33,21 @@ var (
// PutTransactions stores the transactions in the given database
func PutTransactions(db common.Database, block *types.Block, txs types.Transactions) {
batch := new(leveldb.Batch)
_, batchWrite := db.(*ethdb.LDBDatabase)
for i, tx := range block.Transactions() {
rlpEnc, err := rlp.EncodeToBytes(tx)
if err != nil {
glog.V(logger.Debug).Infoln("Failed encoding tx", err)
return
}
if batchWrite {
batch.Put(tx.Hash().Bytes(), rlpEnc)
} else {
db.Put(tx.Hash().Bytes(), rlpEnc)
}
var txExtra struct {
BlockHash common.Hash
@ -52,23 +62,47 @@ func PutTransactions(db common.Database, block *types.Block, txs types.Transacti
glog.V(logger.Debug).Infoln("Failed encoding tx meta data", err)
return
}
if batchWrite {
batch.Put(append(tx.Hash().Bytes(), 0x0001), rlpMeta)
} else {
db.Put(append(tx.Hash().Bytes(), 0x0001), rlpMeta)
}
}
if db, ok := db.(*ethdb.LDBDatabase); ok {
if err := db.LDB().Write(batch, nil); err != nil {
glog.V(logger.Error).Infoln("db write err:", err)
}
}
}
// PutReceipts stores the receipts in the current database
func PutReceipts(db common.Database, receipts types.Receipts) error {
batch := new(leveldb.Batch)
_, batchWrite := db.(*ethdb.LDBDatabase)
for _, receipt := range receipts {
storageReceipt := (*types.ReceiptForStorage)(receipt)
bytes, err := rlp.EncodeToBytes(storageReceipt)
if err != nil {
return err
}
if batchWrite {
batch.Put(append(receiptsPre, receipt.TxHash[:]...), bytes)
} else {
err = db.Put(append(receiptsPre, receipt.TxHash[:]...), bytes)
if err != nil {
return err
}
}
}
if db, ok := db.(*ethdb.LDBDatabase); ok {
if err := db.LDB().Write(batch, nil); err != nil {
return err
}
}
return nil
}

2
xeth/xeth.go
Unescape View File

@ -123,7 +123,7 @@ func New(ethereum *eth.Ethereum, frontend Frontend) *XEth {
if frontend == nil {
xeth.frontend = dummyFrontend{}
}
xeth.state = NewState(xeth, xeth.backend.ChainManager().TransState())
xeth.state = NewState(xeth, xeth.backend.ChainManager().State())
go xeth.start()
go xeth.filterManager.Start()

Write Preview
Loading…
Cancel
Save