320 lines
9.5 KiB
Go
320 lines
9.5 KiB
Go
// Copyright 2017 The go-ethereum Authors
|
|
// This file is part of go-ethereum.
|
|
//
|
|
// go-ethereum is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// go-ethereum is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU General Public License
|
|
// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
package main
|
|
|
|
import (
|
|
"bytes"
|
|
"encoding/json"
|
|
"fmt"
|
|
"io"
|
|
"math/big"
|
|
"os"
|
|
goruntime "runtime"
|
|
"runtime/pprof"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/ethereum/go-ethereum/cmd/evm/internal/compiler"
|
|
"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/rawdb"
|
|
"github.com/ethereum/go-ethereum/core/state"
|
|
"github.com/ethereum/go-ethereum/core/vm"
|
|
"github.com/ethereum/go-ethereum/core/vm/runtime"
|
|
"github.com/ethereum/go-ethereum/eth/tracers/logger"
|
|
"github.com/ethereum/go-ethereum/internal/flags"
|
|
"github.com/ethereum/go-ethereum/log"
|
|
"github.com/ethereum/go-ethereum/params"
|
|
"github.com/urfave/cli/v2"
|
|
)
|
|
|
|
var runCommand = &cli.Command{
|
|
Action: runCmd,
|
|
Name: "run",
|
|
Usage: "run arbitrary evm binary",
|
|
ArgsUsage: "<code>",
|
|
Description: `The run command runs arbitrary EVM code.`,
|
|
}
|
|
|
|
// readGenesis will read the given JSON format genesis file and return
|
|
// the initialized Genesis structure
|
|
func readGenesis(genesisPath string) *core.Genesis {
|
|
// Make sure we have a valid genesis JSON
|
|
//genesisPath := ctx.Args().First()
|
|
if len(genesisPath) == 0 {
|
|
utils.Fatalf("Must supply path to genesis JSON file")
|
|
}
|
|
file, err := os.Open(genesisPath)
|
|
if err != nil {
|
|
utils.Fatalf("Failed to read genesis file: %v", err)
|
|
}
|
|
defer file.Close()
|
|
|
|
genesis := new(core.Genesis)
|
|
if err := json.NewDecoder(file).Decode(genesis); err != nil {
|
|
utils.Fatalf("invalid genesis file: %v", err)
|
|
}
|
|
return genesis
|
|
}
|
|
|
|
type execStats struct {
|
|
time time.Duration // The execution time.
|
|
allocs int64 // The number of heap allocations during execution.
|
|
bytesAllocated int64 // The cumulative number of bytes allocated during execution.
|
|
}
|
|
|
|
func timedExec(bench bool, execFunc func() ([]byte, uint64, error)) (output []byte, gasLeft uint64, stats execStats, err error) {
|
|
if bench {
|
|
result := testing.Benchmark(func(b *testing.B) {
|
|
for i := 0; i < b.N; i++ {
|
|
output, gasLeft, err = execFunc()
|
|
}
|
|
})
|
|
|
|
// Get the average execution time from the benchmarking result.
|
|
// There are other useful stats here that could be reported.
|
|
stats.time = time.Duration(result.NsPerOp())
|
|
stats.allocs = result.AllocsPerOp()
|
|
stats.bytesAllocated = result.AllocedBytesPerOp()
|
|
} else {
|
|
var memStatsBefore, memStatsAfter goruntime.MemStats
|
|
goruntime.ReadMemStats(&memStatsBefore)
|
|
startTime := time.Now()
|
|
output, gasLeft, err = execFunc()
|
|
stats.time = time.Since(startTime)
|
|
goruntime.ReadMemStats(&memStatsAfter)
|
|
stats.allocs = int64(memStatsAfter.Mallocs - memStatsBefore.Mallocs)
|
|
stats.bytesAllocated = int64(memStatsAfter.TotalAlloc - memStatsBefore.TotalAlloc)
|
|
}
|
|
|
|
return output, gasLeft, stats, err
|
|
}
|
|
|
|
func runCmd(ctx *cli.Context) error {
|
|
glogger := log.NewGlogHandler(log.StreamHandler(os.Stderr, log.TerminalFormat(false)))
|
|
glogger.Verbosity(log.Lvl(ctx.Int(VerbosityFlag.Name)))
|
|
log.Root().SetHandler(glogger)
|
|
logconfig := &logger.Config{
|
|
EnableMemory: !ctx.Bool(DisableMemoryFlag.Name),
|
|
DisableStack: ctx.Bool(DisableStackFlag.Name),
|
|
DisableStorage: ctx.Bool(DisableStorageFlag.Name),
|
|
EnableReturnData: !ctx.Bool(DisableReturnDataFlag.Name),
|
|
Debug: ctx.Bool(DebugFlag.Name),
|
|
}
|
|
|
|
var (
|
|
tracer vm.EVMLogger
|
|
debugLogger *logger.StructLogger
|
|
statedb *state.StateDB
|
|
chainConfig *params.ChainConfig
|
|
sender = common.BytesToAddress([]byte("sender"))
|
|
receiver = common.BytesToAddress([]byte("receiver"))
|
|
genesisConfig *core.Genesis
|
|
)
|
|
if ctx.Bool(MachineFlag.Name) {
|
|
tracer = logger.NewJSONLogger(logconfig, os.Stdout)
|
|
} else if ctx.Bool(DebugFlag.Name) {
|
|
debugLogger = logger.NewStructLogger(logconfig)
|
|
tracer = debugLogger
|
|
} else {
|
|
debugLogger = logger.NewStructLogger(logconfig)
|
|
}
|
|
if ctx.String(GenesisFlag.Name) != "" {
|
|
gen := readGenesis(ctx.String(GenesisFlag.Name))
|
|
genesisConfig = gen
|
|
db := rawdb.NewMemoryDatabase()
|
|
genesis := gen.ToBlock(db)
|
|
statedb, _ = state.New(genesis.Root(), state.NewDatabase(db), nil)
|
|
chainConfig = gen.Config
|
|
} else {
|
|
statedb, _ = state.New(common.Hash{}, state.NewDatabase(rawdb.NewMemoryDatabase()), nil)
|
|
genesisConfig = new(core.Genesis)
|
|
}
|
|
if ctx.String(SenderFlag.Name) != "" {
|
|
sender = common.HexToAddress(ctx.String(SenderFlag.Name))
|
|
}
|
|
statedb.CreateAccount(sender)
|
|
|
|
if ctx.String(ReceiverFlag.Name) != "" {
|
|
receiver = common.HexToAddress(ctx.String(ReceiverFlag.Name))
|
|
}
|
|
|
|
var code []byte
|
|
codeFileFlag := ctx.String(CodeFileFlag.Name)
|
|
codeFlag := ctx.String(CodeFlag.Name)
|
|
|
|
// The '--code' or '--codefile' flag overrides code in state
|
|
if codeFileFlag != "" || codeFlag != "" {
|
|
var hexcode []byte
|
|
if codeFileFlag != "" {
|
|
var err error
|
|
// If - is specified, it means that code comes from stdin
|
|
if codeFileFlag == "-" {
|
|
//Try reading from stdin
|
|
if hexcode, err = io.ReadAll(os.Stdin); err != nil {
|
|
fmt.Printf("Could not load code from stdin: %v\n", err)
|
|
os.Exit(1)
|
|
}
|
|
} else {
|
|
// Codefile with hex assembly
|
|
if hexcode, err = os.ReadFile(codeFileFlag); err != nil {
|
|
fmt.Printf("Could not load code from file: %v\n", err)
|
|
os.Exit(1)
|
|
}
|
|
}
|
|
} else {
|
|
hexcode = []byte(codeFlag)
|
|
}
|
|
hexcode = bytes.TrimSpace(hexcode)
|
|
if len(hexcode)%2 != 0 {
|
|
fmt.Printf("Invalid input length for hex data (%d)\n", len(hexcode))
|
|
os.Exit(1)
|
|
}
|
|
code = common.FromHex(string(hexcode))
|
|
} else if fn := ctx.Args().First(); len(fn) > 0 {
|
|
// EASM-file to compile
|
|
src, err := os.ReadFile(fn)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
bin, err := compiler.Compile(fn, src, false)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
code = common.Hex2Bytes(bin)
|
|
}
|
|
initialGas := ctx.Uint64(GasFlag.Name)
|
|
if genesisConfig.GasLimit != 0 {
|
|
initialGas = genesisConfig.GasLimit
|
|
}
|
|
runtimeConfig := runtime.Config{
|
|
Origin: sender,
|
|
State: statedb,
|
|
GasLimit: initialGas,
|
|
GasPrice: flags.GlobalBig(ctx, PriceFlag.Name),
|
|
Value: flags.GlobalBig(ctx, ValueFlag.Name),
|
|
Difficulty: genesisConfig.Difficulty,
|
|
Time: new(big.Int).SetUint64(genesisConfig.Timestamp),
|
|
Coinbase: genesisConfig.Coinbase,
|
|
BlockNumber: new(big.Int).SetUint64(genesisConfig.Number),
|
|
EVMConfig: vm.Config{
|
|
Tracer: tracer,
|
|
Debug: ctx.Bool(DebugFlag.Name) || ctx.Bool(MachineFlag.Name),
|
|
},
|
|
}
|
|
|
|
if cpuProfilePath := ctx.String(CPUProfileFlag.Name); cpuProfilePath != "" {
|
|
f, err := os.Create(cpuProfilePath)
|
|
if err != nil {
|
|
fmt.Println("could not create CPU profile: ", err)
|
|
os.Exit(1)
|
|
}
|
|
if err := pprof.StartCPUProfile(f); err != nil {
|
|
fmt.Println("could not start CPU profile: ", err)
|
|
os.Exit(1)
|
|
}
|
|
defer pprof.StopCPUProfile()
|
|
}
|
|
|
|
if chainConfig != nil {
|
|
runtimeConfig.ChainConfig = chainConfig
|
|
} else {
|
|
runtimeConfig.ChainConfig = params.AllEthashProtocolChanges
|
|
}
|
|
|
|
var hexInput []byte
|
|
if inputFileFlag := ctx.String(InputFileFlag.Name); inputFileFlag != "" {
|
|
var err error
|
|
if hexInput, err = os.ReadFile(inputFileFlag); err != nil {
|
|
fmt.Printf("could not load input from file: %v\n", err)
|
|
os.Exit(1)
|
|
}
|
|
} else {
|
|
hexInput = []byte(ctx.String(InputFlag.Name))
|
|
}
|
|
hexInput = bytes.TrimSpace(hexInput)
|
|
if len(hexInput)%2 != 0 {
|
|
fmt.Println("input length must be even")
|
|
os.Exit(1)
|
|
}
|
|
input := common.FromHex(string(hexInput))
|
|
|
|
var execFunc func() ([]byte, uint64, error)
|
|
if ctx.Bool(CreateFlag.Name) {
|
|
input = append(code, input...)
|
|
execFunc = func() ([]byte, uint64, error) {
|
|
output, _, gasLeft, err := runtime.Create(input, &runtimeConfig)
|
|
return output, gasLeft, err
|
|
}
|
|
} else {
|
|
if len(code) > 0 {
|
|
statedb.SetCode(receiver, code)
|
|
}
|
|
execFunc = func() ([]byte, uint64, error) {
|
|
return runtime.Call(receiver, input, &runtimeConfig)
|
|
}
|
|
}
|
|
|
|
bench := ctx.Bool(BenchFlag.Name)
|
|
output, leftOverGas, stats, err := timedExec(bench, execFunc)
|
|
|
|
if ctx.Bool(DumpFlag.Name) {
|
|
statedb.Commit(true)
|
|
statedb.IntermediateRoot(true)
|
|
fmt.Println(string(statedb.Dump(nil)))
|
|
}
|
|
|
|
if memProfilePath := ctx.String(MemProfileFlag.Name); memProfilePath != "" {
|
|
f, err := os.Create(memProfilePath)
|
|
if err != nil {
|
|
fmt.Println("could not create memory profile: ", err)
|
|
os.Exit(1)
|
|
}
|
|
if err := pprof.WriteHeapProfile(f); err != nil {
|
|
fmt.Println("could not write memory profile: ", err)
|
|
os.Exit(1)
|
|
}
|
|
f.Close()
|
|
}
|
|
|
|
if ctx.Bool(DebugFlag.Name) {
|
|
if debugLogger != nil {
|
|
fmt.Fprintln(os.Stderr, "#### TRACE ####")
|
|
logger.WriteTrace(os.Stderr, debugLogger.StructLogs())
|
|
}
|
|
fmt.Fprintln(os.Stderr, "#### LOGS ####")
|
|
logger.WriteLogs(os.Stderr, statedb.Logs())
|
|
}
|
|
|
|
if bench || ctx.Bool(StatDumpFlag.Name) {
|
|
fmt.Fprintf(os.Stderr, `EVM gas used: %d
|
|
execution time: %v
|
|
allocations: %d
|
|
allocated bytes: %d
|
|
`, initialGas-leftOverGas, stats.time, stats.allocs, stats.bytesAllocated)
|
|
}
|
|
if tracer == nil {
|
|
fmt.Printf("%#x\n", output)
|
|
if err != nil {
|
|
fmt.Printf(" error: %v\n", err)
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|