cmd/evm: remove EOF

This commit is contained in:
Felix Lange 2025-06-10 13:26:22 +02:00
parent c52616459c
commit f25850aebd
3 changed files with 0 additions and 412 deletions

View file

@ -1,228 +0,0 @@
// Copyright 2024 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 (
"bufio"
"encoding/hex"
"encoding/json"
"fmt"
"io/fs"
"os"
"path/filepath"
"strings"
"github.com/ethereum/go-ethereum/core/vm"
"github.com/ethereum/go-ethereum/log"
"github.com/urfave/cli/v2"
)
var jt vm.JumpTable
const initcode = "INITCODE"
func init() {
jt = vm.NewEOFInstructionSetForTesting()
}
var (
hexFlag = &cli.StringFlag{
Name: "hex",
Usage: "Single container data parse and validation",
}
refTestFlag = &cli.StringFlag{
Name: "test",
Usage: "Path to EOF validation reference test.",
}
eofParseCommand = &cli.Command{
Name: "eofparse",
Aliases: []string{"eof"},
Usage: "Parses hex eof container and returns validation errors (if any)",
Action: eofParseAction,
Flags: []cli.Flag{
hexFlag,
refTestFlag,
},
}
eofDumpCommand = &cli.Command{
Name: "eofdump",
Usage: "Parses hex eof container and prints out human-readable representation of the container.",
Action: eofDumpAction,
Flags: []cli.Flag{
hexFlag,
},
}
)
func eofParseAction(ctx *cli.Context) error {
// If `--test` is set, parse and validate the reference test at the provided path.
if ctx.IsSet(refTestFlag.Name) {
var (
file = ctx.String(refTestFlag.Name)
executedTests int
passedTests int
)
err := filepath.Walk(file, func(path string, info fs.FileInfo, err error) error {
if err != nil {
return err
}
if info.IsDir() {
return nil
}
log.Debug("Executing test", "name", info.Name())
passed, tot, err := executeTest(path)
passedTests += passed
executedTests += tot
return err
})
if err != nil {
return err
}
log.Info("Executed tests", "passed", passedTests, "total executed", executedTests)
return nil
}
// If `--hex` is set, parse and validate the hex string argument.
if ctx.IsSet(hexFlag.Name) {
if _, err := parseAndValidate(ctx.String(hexFlag.Name), false); err != nil {
return fmt.Errorf("err: %w", err)
}
fmt.Println("OK")
return nil
}
// If neither are passed in, read input from stdin.
scanner := bufio.NewScanner(os.Stdin)
scanner.Buffer(make([]byte, 1024*1024), 10*1024*1024)
for scanner.Scan() {
l := strings.TrimSpace(scanner.Text())
if strings.HasPrefix(l, "#") || l == "" {
continue
}
if _, err := parseAndValidate(l, false); err != nil {
fmt.Printf("err: %v\n", err)
} else {
fmt.Println("OK")
}
}
if err := scanner.Err(); err != nil {
fmt.Println(err.Error())
}
return nil
}
type refTests struct {
Vectors map[string]eOFTest `json:"vectors"`
}
type eOFTest struct {
Code string `json:"code"`
Results map[string]etResult `json:"results"`
ContainerKind string `json:"containerKind"`
}
type etResult struct {
Result bool `json:"result"`
Exception string `json:"exception,omitempty"`
}
func executeTest(path string) (int, int, error) {
src, err := os.ReadFile(path)
if err != nil {
return 0, 0, err
}
var testsByName map[string]refTests
if err := json.Unmarshal(src, &testsByName); err != nil {
return 0, 0, err
}
passed, total := 0, 0
for testsName, tests := range testsByName {
for name, tt := range tests.Vectors {
for fork, r := range tt.Results {
total++
_, err := parseAndValidate(tt.Code, tt.ContainerKind == initcode)
if r.Result && err != nil {
log.Error("Test failure, expected validation success", "name", testsName, "idx", name, "fork", fork, "err", err)
continue
}
if !r.Result && err == nil {
log.Error("Test failure, expected validation error", "name", testsName, "idx", name, "fork", fork, "have err", r.Exception, "err", err)
continue
}
passed++
}
}
}
return passed, total, nil
}
func parseAndValidate(s string, isInitCode bool) (*vm.Container, error) {
if len(s) >= 2 && strings.HasPrefix(s, "0x") {
s = s[2:]
}
b, err := hex.DecodeString(s)
if err != nil {
return nil, fmt.Errorf("unable to decode data: %w", err)
}
return parse(b, isInitCode)
}
func parse(b []byte, isInitCode bool) (*vm.Container, error) {
var c vm.Container
if err := c.UnmarshalBinary(b, isInitCode); err != nil {
return nil, err
}
if err := c.ValidateCode(&jt, isInitCode); err != nil {
return nil, err
}
return &c, nil
}
func eofDumpAction(ctx *cli.Context) error {
// If `--hex` is set, parse and validate the hex string argument.
if ctx.IsSet(hexFlag.Name) {
return eofDump(ctx.String(hexFlag.Name))
}
// Otherwise read from stdin
scanner := bufio.NewScanner(os.Stdin)
scanner.Buffer(make([]byte, 1024*1024), 10*1024*1024)
for scanner.Scan() {
l := strings.TrimSpace(scanner.Text())
if strings.HasPrefix(l, "#") || l == "" {
continue
}
if err := eofDump(l); err != nil {
return err
}
fmt.Println("")
}
return scanner.Err()
}
func eofDump(hexdata string) error {
if len(hexdata) >= 2 && strings.HasPrefix(hexdata, "0x") {
hexdata = hexdata[2:]
}
b, err := hex.DecodeString(hexdata)
if err != nil {
return fmt.Errorf("unable to decode data: %w", err)
}
var c vm.Container
if err := c.UnmarshalBinary(b, false); err != nil {
return err
}
fmt.Println(c.String())
return nil
}

View file

@ -1,182 +0,0 @@
// Copyright 2024 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 (
"bufio"
"bytes"
"encoding/hex"
"fmt"
"os"
"strings"
"testing"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/vm"
)
func FuzzEofParsing(f *testing.F) {
// Seed with corpus from execution-spec-tests
for i := 0; ; i++ {
fname := fmt.Sprintf("testdata/eof/eof_corpus_%d.txt", i)
corpus, err := os.Open(fname)
if err != nil {
break
}
f.Logf("Reading seed data from %v", fname)
scanner := bufio.NewScanner(corpus)
scanner.Buffer(make([]byte, 1024), 10*1024*1024)
for scanner.Scan() {
s := scanner.Text()
if len(s) >= 2 && strings.HasPrefix(s, "0x") {
s = s[2:]
}
b, err := hex.DecodeString(s)
if err != nil {
panic(err) // rotten corpus
}
f.Add(b)
}
corpus.Close()
if err := scanner.Err(); err != nil {
panic(err) // rotten corpus
}
}
// And do the fuzzing
f.Fuzz(func(t *testing.T, data []byte) {
var (
jt = vm.NewEOFInstructionSetForTesting()
c vm.Container
)
cpy := common.CopyBytes(data)
if err := c.UnmarshalBinary(data, true); err == nil {
c.ValidateCode(&jt, true)
if have := c.MarshalBinary(); !bytes.Equal(have, data) {
t.Fatal("Unmarshal-> Marshal failure!")
}
}
if err := c.UnmarshalBinary(data, false); err == nil {
c.ValidateCode(&jt, false)
if have := c.MarshalBinary(); !bytes.Equal(have, data) {
t.Fatal("Unmarshal-> Marshal failure!")
}
}
if !bytes.Equal(cpy, data) {
panic("data modified during unmarshalling")
}
})
}
func TestEofParseInitcode(t *testing.T) {
testEofParse(t, true, "testdata/eof/results.initcode.txt")
}
func TestEofParseRegular(t *testing.T) {
testEofParse(t, false, "testdata/eof/results.regular.txt")
}
func testEofParse(t *testing.T, isInitCode bool, wantFile string) {
var wantFn func() string
var wantLoc = 0
{ // Configure the want-reader
wants, err := os.Open(wantFile)
if err != nil {
t.Fatal(err)
}
scanner := bufio.NewScanner(wants)
scanner.Buffer(make([]byte, 1024), 10*1024*1024)
wantFn = func() string {
if scanner.Scan() {
wantLoc++
return scanner.Text()
}
return "end of file reached"
}
}
for i := 0; ; i++ {
fname := fmt.Sprintf("testdata/eof/eof_corpus_%d.txt", i)
corpus, err := os.Open(fname)
if err != nil {
break
}
t.Logf("# Reading seed data from %v", fname)
scanner := bufio.NewScanner(corpus)
scanner.Buffer(make([]byte, 1024), 10*1024*1024)
line := 1
for scanner.Scan() {
s := scanner.Text()
if len(s) >= 2 && strings.HasPrefix(s, "0x") {
s = s[2:]
}
b, err := hex.DecodeString(s)
if err != nil {
panic(err) // rotten corpus
}
have := "OK"
if _, err := parse(b, isInitCode); err != nil {
have = fmt.Sprintf("ERR: %v", err)
}
if false { // Change this to generate the want-output
fmt.Printf("%v\n", have)
} else {
want := wantFn()
if have != want {
if len(want) > 100 {
want = want[:100]
}
if len(b) > 100 {
b = b[:100]
}
t.Errorf("%v:%d\n%v\ninput %x\nisInit: %v\nhave: %q\nwant: %q\n",
fname, line, fmt.Sprintf("%v:%d", wantFile, wantLoc), b, isInitCode, have, want)
}
}
line++
}
corpus.Close()
}
}
func BenchmarkEofParse(b *testing.B) {
corpus, err := os.Open("testdata/eof/eof_benches.txt")
if err != nil {
b.Fatal(err)
}
defer corpus.Close()
scanner := bufio.NewScanner(corpus)
scanner.Buffer(make([]byte, 1024), 10*1024*1024)
line := 1
for scanner.Scan() {
s := scanner.Text()
if len(s) >= 2 && strings.HasPrefix(s, "0x") {
s = s[2:]
}
data, err := hex.DecodeString(s)
if err != nil {
b.Fatal(err) // rotten corpus
}
b.Run(fmt.Sprintf("test-%d", line), func(b *testing.B) {
b.ReportAllocs()
b.SetBytes(int64(len(data)))
for i := 0; i < b.N; i++ {
_, _ = parse(data, false)
}
})
line++
}
}

View file

@ -210,8 +210,6 @@ func init() {
stateTransitionCommand,
transactionCommand,
blockBuilderCommand,
eofParseCommand,
eofDumpCommand,
}
app.Before = func(ctx *cli.Context) error {
flags.MigrateGlobalFlags(ctx)