249 lines
7.2 KiB
Go
249 lines
7.2 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/ioutil"
|
|
"os"
|
|
"runtime/pprof"
|
|
"time"
|
|
|
|
goruntime "runtime"
|
|
|
|
"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/state"
|
|
"github.com/ethereum/go-ethereum/core/vm"
|
|
"github.com/ethereum/go-ethereum/core/vm/runtime"
|
|
"github.com/ethereum/go-ethereum/ethdb"
|
|
"github.com/ethereum/go-ethereum/log"
|
|
"github.com/ethereum/go-ethereum/params"
|
|
cli "gopkg.in/urfave/cli.v1"
|
|
)
|
|
|
|
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
|
|
}
|
|
|
|
func runCmd(ctx *cli.Context) error {
|
|
glogger := log.NewGlogHandler(log.StreamHandler(os.Stderr, log.TerminalFormat(false)))
|
|
glogger.Verbosity(log.Lvl(ctx.GlobalInt(VerbosityFlag.Name)))
|
|
log.Root().SetHandler(glogger)
|
|
logconfig := &vm.LogConfig{
|
|
DisableMemory: ctx.GlobalBool(DisableMemoryFlag.Name),
|
|
DisableStack: ctx.GlobalBool(DisableStackFlag.Name),
|
|
}
|
|
|
|
var (
|
|
tracer vm.Tracer
|
|
debugLogger *vm.StructLogger
|
|
statedb *state.StateDB
|
|
chainConfig *params.ChainConfig
|
|
sender = common.StringToAddress("sender")
|
|
receiver = common.StringToAddress("receiver")
|
|
)
|
|
if ctx.GlobalBool(MachineFlag.Name) {
|
|
tracer = NewJSONLogger(logconfig, os.Stdout)
|
|
} else if ctx.GlobalBool(DebugFlag.Name) {
|
|
debugLogger = vm.NewStructLogger(logconfig)
|
|
tracer = debugLogger
|
|
} else {
|
|
debugLogger = vm.NewStructLogger(logconfig)
|
|
}
|
|
if ctx.GlobalString(GenesisFlag.Name) != "" {
|
|
gen := readGenesis(ctx.GlobalString(GenesisFlag.Name))
|
|
db, _ := ethdb.NewMemDatabase()
|
|
genesis := gen.ToBlock(db)
|
|
statedb, _ = state.New(genesis.Root(), state.NewDatabase(db))
|
|
chainConfig = gen.Config
|
|
} else {
|
|
db, _ := ethdb.NewMemDatabase()
|
|
statedb, _ = state.New(common.Hash{}, state.NewDatabase(db))
|
|
}
|
|
if ctx.GlobalString(SenderFlag.Name) != "" {
|
|
sender = common.HexToAddress(ctx.GlobalString(SenderFlag.Name))
|
|
}
|
|
statedb.CreateAccount(sender)
|
|
|
|
if ctx.GlobalString(ReceiverFlag.Name) != "" {
|
|
receiver = common.HexToAddress(ctx.GlobalString(ReceiverFlag.Name))
|
|
}
|
|
|
|
var (
|
|
code []byte
|
|
ret []byte
|
|
err error
|
|
)
|
|
// The '--code' or '--codefile' flag overrides code in state
|
|
if ctx.GlobalString(CodeFileFlag.Name) != "" {
|
|
var hexcode []byte
|
|
var err error
|
|
// If - is specified, it means that code comes from stdin
|
|
if ctx.GlobalString(CodeFileFlag.Name) == "-" {
|
|
//Try reading from stdin
|
|
if hexcode, err = ioutil.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 = ioutil.ReadFile(ctx.GlobalString(CodeFileFlag.Name)); err != nil {
|
|
fmt.Printf("Could not load code from file: %v\n", err)
|
|
os.Exit(1)
|
|
}
|
|
}
|
|
code = common.Hex2Bytes(string(bytes.TrimRight(hexcode, "\n")))
|
|
|
|
} else if ctx.GlobalString(CodeFlag.Name) != "" {
|
|
code = common.Hex2Bytes(ctx.GlobalString(CodeFlag.Name))
|
|
} else if fn := ctx.Args().First(); len(fn) > 0 {
|
|
// EASM-file to compile
|
|
src, err := ioutil.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.GlobalUint64(GasFlag.Name)
|
|
runtimeConfig := runtime.Config{
|
|
Origin: sender,
|
|
State: statedb,
|
|
GasLimit: initialGas,
|
|
GasPrice: utils.GlobalBig(ctx, PriceFlag.Name),
|
|
Value: utils.GlobalBig(ctx, ValueFlag.Name),
|
|
EVMConfig: vm.Config{
|
|
Tracer: tracer,
|
|
Debug: ctx.GlobalBool(DebugFlag.Name) || ctx.GlobalBool(MachineFlag.Name),
|
|
DisableGasMetering: ctx.GlobalBool(DisableGasMeteringFlag.Name),
|
|
},
|
|
}
|
|
|
|
if cpuProfilePath := ctx.GlobalString(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
|
|
}
|
|
tstart := time.Now()
|
|
var leftOverGas uint64
|
|
if ctx.GlobalBool(CreateFlag.Name) {
|
|
input := append(code, common.Hex2Bytes(ctx.GlobalString(InputFlag.Name))...)
|
|
ret, _, leftOverGas, err = runtime.Create(input, &runtimeConfig)
|
|
} else {
|
|
if len(code) > 0 {
|
|
statedb.SetCode(receiver, code)
|
|
}
|
|
ret, leftOverGas, err = runtime.Call(receiver, common.Hex2Bytes(ctx.GlobalString(InputFlag.Name)), &runtimeConfig)
|
|
}
|
|
execTime := time.Since(tstart)
|
|
|
|
if ctx.GlobalBool(DumpFlag.Name) {
|
|
statedb.IntermediateRoot(true)
|
|
fmt.Println(string(statedb.Dump()))
|
|
}
|
|
|
|
if memProfilePath := ctx.GlobalString(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.GlobalBool(DebugFlag.Name) {
|
|
if debugLogger != nil {
|
|
fmt.Fprintln(os.Stderr, "#### TRACE ####")
|
|
vm.WriteTrace(os.Stderr, debugLogger.StructLogs())
|
|
}
|
|
fmt.Fprintln(os.Stderr, "#### LOGS ####")
|
|
vm.WriteLogs(os.Stderr, statedb.Logs())
|
|
}
|
|
|
|
if ctx.GlobalBool(StatDumpFlag.Name) {
|
|
var mem goruntime.MemStats
|
|
goruntime.ReadMemStats(&mem)
|
|
fmt.Fprintf(os.Stderr, `evm execution time: %v
|
|
heap objects: %d
|
|
allocations: %d
|
|
total allocations: %d
|
|
GC calls: %d
|
|
Gas used: %d
|
|
|
|
`, execTime, mem.HeapObjects, mem.Alloc, mem.TotalAlloc, mem.NumGC, initialGas-leftOverGas)
|
|
}
|
|
if tracer != nil {
|
|
tracer.CaptureEnd(ret, initialGas-leftOverGas, execTime, err)
|
|
} else {
|
|
fmt.Printf("0x%x\n", ret)
|
|
if err != nil {
|
|
fmt.Printf(" error: %v\n", err)
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|