mirror of https://github.com/poanetwork/quorum.git
236 lines
6.6 KiB
Go
236 lines
6.6 KiB
Go
// Copyright 2017 The go-ethereum Authors
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// This file is part of go-ethereum.
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//
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// go-ethereum is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// go-ethereum is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
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package main
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import (
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"bytes"
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"encoding/json"
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"fmt"
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"io/ioutil"
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"os"
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"runtime/pprof"
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"time"
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goruntime "runtime"
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"github.com/ethereum/go-ethereum/cmd/evm/internal/compiler"
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"github.com/ethereum/go-ethereum/cmd/utils"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/core"
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"github.com/ethereum/go-ethereum/core/state"
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"github.com/ethereum/go-ethereum/core/vm"
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"github.com/ethereum/go-ethereum/core/vm/runtime"
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"github.com/ethereum/go-ethereum/ethdb"
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"github.com/ethereum/go-ethereum/log"
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"github.com/ethereum/go-ethereum/params"
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cli "gopkg.in/urfave/cli.v1"
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)
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var runCommand = cli.Command{
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Action: runCmd,
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Name: "run",
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Usage: "run arbitrary evm binary",
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ArgsUsage: "<code>",
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Description: `The run command runs arbitrary EVM code.`,
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}
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// readGenesis will read the given JSON format genesis file and return
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// the initialized Genesis structure
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func readGenesis(genesisPath string) *core.Genesis {
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// Make sure we have a valid genesis JSON
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//genesisPath := ctx.Args().First()
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if len(genesisPath) == 0 {
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utils.Fatalf("Must supply path to genesis JSON file")
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}
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file, err := os.Open(genesisPath)
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if err != nil {
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utils.Fatalf("Failed to read genesis file: %v", err)
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}
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defer file.Close()
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genesis := new(core.Genesis)
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if err := json.NewDecoder(file).Decode(genesis); err != nil {
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utils.Fatalf("invalid genesis file: %v", err)
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}
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return genesis
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}
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func runCmd(ctx *cli.Context) error {
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glogger := log.NewGlogHandler(log.StreamHandler(os.Stderr, log.TerminalFormat(false)))
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glogger.Verbosity(log.Lvl(ctx.GlobalInt(VerbosityFlag.Name)))
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log.Root().SetHandler(glogger)
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var (
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tracer vm.Tracer
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debugLogger *vm.StructLogger
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statedb *state.StateDB
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chainConfig *params.ChainConfig
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sender = common.StringToAddress("sender")
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)
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if ctx.GlobalBool(MachineFlag.Name) {
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tracer = NewJSONLogger(os.Stdout)
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} else if ctx.GlobalBool(DebugFlag.Name) {
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debugLogger = vm.NewStructLogger(nil)
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tracer = debugLogger
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} else {
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debugLogger = vm.NewStructLogger(nil)
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}
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if ctx.GlobalString(GenesisFlag.Name) != "" {
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gen := readGenesis(ctx.GlobalString(GenesisFlag.Name))
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_, statedb = gen.ToBlock()
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chainConfig = gen.Config
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} else {
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var db, _ = ethdb.NewMemDatabase()
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statedb, _ = state.New(common.Hash{}, db)
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}
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if ctx.GlobalString(SenderFlag.Name) != "" {
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sender = common.HexToAddress(ctx.GlobalString(SenderFlag.Name))
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}
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statedb.CreateAccount(sender)
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var (
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code []byte
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ret []byte
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err error
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)
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if fn := ctx.Args().First(); len(fn) > 0 {
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src, err := ioutil.ReadFile(fn)
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if err != nil {
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return err
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}
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bin, err := compiler.Compile(fn, src, false)
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if err != nil {
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return err
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}
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code = common.Hex2Bytes(bin)
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} else if ctx.GlobalString(CodeFlag.Name) != "" {
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code = common.Hex2Bytes(ctx.GlobalString(CodeFlag.Name))
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} else {
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var hexcode []byte
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if ctx.GlobalString(CodeFileFlag.Name) != "" {
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var err error
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hexcode, err = ioutil.ReadFile(ctx.GlobalString(CodeFileFlag.Name))
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if err != nil {
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fmt.Printf("Could not load code from file: %v\n", err)
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os.Exit(1)
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}
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} else {
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var err error
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hexcode, err = ioutil.ReadAll(os.Stdin)
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if err != nil {
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fmt.Printf("Could not load code from stdin: %v\n", err)
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os.Exit(1)
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}
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}
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code = common.Hex2Bytes(string(bytes.TrimRight(hexcode, "\n")))
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}
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initialGas := ctx.GlobalUint64(GasFlag.Name)
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runtimeConfig := runtime.Config{
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Origin: sender,
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State: statedb,
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GasLimit: initialGas,
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GasPrice: utils.GlobalBig(ctx, PriceFlag.Name),
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Value: utils.GlobalBig(ctx, ValueFlag.Name),
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EVMConfig: vm.Config{
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Tracer: tracer,
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Debug: ctx.GlobalBool(DebugFlag.Name) || ctx.GlobalBool(MachineFlag.Name),
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DisableGasMetering: ctx.GlobalBool(DisableGasMeteringFlag.Name),
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},
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}
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if cpuProfilePath := ctx.GlobalString(CPUProfileFlag.Name); cpuProfilePath != "" {
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f, err := os.Create(cpuProfilePath)
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if err != nil {
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fmt.Println("could not create CPU profile: ", err)
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os.Exit(1)
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}
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if err := pprof.StartCPUProfile(f); err != nil {
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fmt.Println("could not start CPU profile: ", err)
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os.Exit(1)
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}
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defer pprof.StopCPUProfile()
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}
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if chainConfig != nil {
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runtimeConfig.ChainConfig = chainConfig
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}
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tstart := time.Now()
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var leftOverGas uint64
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if ctx.GlobalBool(CreateFlag.Name) {
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input := append(code, common.Hex2Bytes(ctx.GlobalString(InputFlag.Name))...)
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ret, _, leftOverGas, err = runtime.Create(input, &runtimeConfig)
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} else {
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receiver := common.StringToAddress("receiver")
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statedb.SetCode(receiver, code)
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ret, leftOverGas, err = runtime.Call(receiver, common.Hex2Bytes(ctx.GlobalString(InputFlag.Name)), &runtimeConfig)
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}
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execTime := time.Since(tstart)
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if ctx.GlobalBool(DumpFlag.Name) {
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statedb.Commit(true)
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fmt.Println(string(statedb.Dump()))
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}
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if memProfilePath := ctx.GlobalString(MemProfileFlag.Name); memProfilePath != "" {
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f, err := os.Create(memProfilePath)
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if err != nil {
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fmt.Println("could not create memory profile: ", err)
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os.Exit(1)
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}
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if err := pprof.WriteHeapProfile(f); err != nil {
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fmt.Println("could not write memory profile: ", err)
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os.Exit(1)
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}
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f.Close()
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}
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if ctx.GlobalBool(DebugFlag.Name) {
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if debugLogger != nil {
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fmt.Fprintln(os.Stderr, "#### TRACE ####")
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vm.WriteTrace(os.Stderr, debugLogger.StructLogs())
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}
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fmt.Fprintln(os.Stderr, "#### LOGS ####")
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vm.WriteLogs(os.Stderr, statedb.Logs())
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}
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if ctx.GlobalBool(StatDumpFlag.Name) {
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var mem goruntime.MemStats
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goruntime.ReadMemStats(&mem)
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fmt.Fprintf(os.Stderr, `evm execution time: %v
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heap objects: %d
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allocations: %d
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total allocations: %d
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GC calls: %d
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Gas used: %d
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`, execTime, mem.HeapObjects, mem.Alloc, mem.TotalAlloc, mem.NumGC, initialGas-leftOverGas)
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}
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if tracer != nil {
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tracer.CaptureEnd(ret, initialGas-leftOverGas, execTime)
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} else {
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fmt.Printf("0x%x\n", ret)
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}
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if err != nil {
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fmt.Printf(" error: %v\n", err)
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}
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return nil
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}
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