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/*
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/>.
*/
/**
* @authors:
* Jeffrey Wilcke <i@jev.io>
*/
package main
import (
"bytes"
"encoding/json"
"io"
"io/ioutil"
"log"
"math/big"
"os"
"strconv"
"strings"
"github.com/ethereum/go-ethereum/common"
"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"
"github.com/ethereum/go-ethereum/tests/helper"
)
type Log struct {
AddressF string `json:"address"`
DataF string `json:"data"`
TopicsF []string `json:"topics"`
BloomF string `json:"bloom"`
}
func (self Log) Address() []byte { return common.Hex2Bytes(self.AddressF) }
func (self Log) Data() []byte { return common.Hex2Bytes(self.DataF) }
func (self Log) RlpData() interface{} { return nil }
func (self Log) Topics() [][]byte {
t := make([][]byte, len(self.TopicsF))
for i, topic := range self.TopicsF {
t[i] = common.Hex2Bytes(topic)
}
return t
}
type Account struct {
Balance string
Code string
Nonce string
Storage map[string]string
}
func StateObjectFromAccount(db common.Database, addr string, account Account) *state.StateObject {
obj := state.NewStateObject(common.HexToAddress(addr), db)
obj.SetBalance(common.Big(account.Balance))
if common.IsHex(account.Code) {
account.Code = account.Code[2:]
}
obj.SetCode(common.Hex2Bytes(account.Code))
obj.SetNonce(common.Big(account.Nonce).Uint64())
return obj
}
type VmTest struct {
Callcreates interface{}
Env Env
Exec map[string]string
Transaction map[string]string
Logs []Log
Gas string
Out string
Post map[string]Account
Pre map[string]Account
PostStateRoot string
}
type Env struct {
CurrentCoinbase string
CurrentDifficulty string
CurrentGasLimit string
CurrentNumber string
CurrentTimestamp interface{}
PreviousHash string
}
func RunVmTest(r io.Reader) (failed int) {
tests := make(map[string]VmTest)
data, _ := ioutil.ReadAll(r)
err := json.Unmarshal(data, &tests)
if err != nil {
log.Fatalln(err)
}
for name, test := range tests {
db, _ := ethdb.NewMemDatabase()
statedb := state.New(common.Hash{}, db)
for addr, account := range test.Pre {
obj := StateObjectFromAccount(db, addr, account)
statedb.SetStateObject(obj)
}
env := make(map[string]string)
env["currentCoinbase"] = test.Env.CurrentCoinbase
env["currentDifficulty"] = test.Env.CurrentDifficulty
env["currentGasLimit"] = test.Env.CurrentGasLimit
env["currentNumber"] = test.Env.CurrentNumber
env["previousHash"] = test.Env.PreviousHash
if n, ok := test.Env.CurrentTimestamp.(float64); ok {
env["currentTimestamp"] = strconv.Itoa(int(n))
} else {
env["currentTimestamp"] = test.Env.CurrentTimestamp.(string)
}
ret, logs, _, _ := helper.RunState(statedb, env, test.Transaction)
statedb.Sync()
rexp := helper.FromHex(test.Out)
if bytes.Compare(rexp, ret) != 0 {
helper.Log.Infof("%s's return failed. Expected %x, got %x\n", name, rexp, ret)
failed = 1
}
for addr, account := range test.Post {
obj := statedb.GetStateObject(common.HexToAddress(addr))
if obj == nil {
continue
}
if len(test.Exec) == 0 {
if obj.Balance().Cmp(common.Big(account.Balance)) != 0 {
helper.Log.Infof("%s's : (%x) balance failed. Expected %v, got %v => %v\n", name, obj.Address().Bytes()[:4], account.Balance, obj.Balance(), new(big.Int).Sub(common.Big(account.Balance), obj.Balance()))
failed = 1
}
}
for addr, value := range account.Storage {
v := obj.GetState(common.HexToHash(addr)).Bytes()
vexp := helper.FromHex(value)
if bytes.Compare(v, vexp) != 0 {
helper.Log.Infof("%s's : (%x: %s) storage failed. Expected %x, got %x (%v %v)\n", name, obj.Address().Bytes()[0:4], addr, vexp, v, common.BigD(vexp), common.BigD(v))
failed = 1
}
}
}
statedb.Sync()
//if !bytes.Equal(common.Hex2Bytes(test.PostStateRoot), statedb.Root()) {
if common.HexToHash(test.PostStateRoot) != statedb.Root() {
helper.Log.Infof("%s's : Post state root failed. Expected %s, got %x", name, test.PostStateRoot, statedb.Root())
failed = 1
}
if len(test.Logs) > 0 {
if len(test.Logs) != len(logs) {
helper.Log.Infof("log length failed. Expected %d, got %d", len(test.Logs), len(logs))
failed = 1
} else {
for i, log := range test.Logs {
if common.HexToAddress(log.AddressF) != logs[i].Address() {
helper.Log.Infof("'%s' log address failed. Expected %v got %x", name, log.AddressF, logs[i].Address())
failed = 1
}
if !bytes.Equal(logs[i].Data(), helper.FromHex(log.DataF)) {
helper.Log.Infof("'%s' log data failed. Expected %v got %x", name, log.DataF, logs[i].Data())
failed = 1
}
if len(log.TopicsF) != len(logs[i].Topics()) {
helper.Log.Infof("'%s' log topics length failed. Expected %d got %d", name, len(log.TopicsF), logs[i].Topics())
failed = 1
} else {
for j, topic := range log.TopicsF {
if common.HexToHash(topic) != logs[i].Topics()[j] {
helper.Log.Infof("'%s' log topic[%d] failed. Expected %v got %x", name, j, topic, logs[i].Topics()[j])
failed = 1
}
}
}
genBloom := common.LeftPadBytes(types.LogsBloom(state.Logs{logs[i]}).Bytes(), 256)
if !bytes.Equal(genBloom, common.Hex2Bytes(log.BloomF)) {
helper.Log.Infof("'%s' bloom failed.", name)
failed = 1
}
}
}
}
if failed == 1 {
helper.Log.Infoln(string(statedb.Dump()))
}
logger.Flush()
}
return
}
func main() {
helper.Logger.SetLogLevel(5)
vm.Debug = true
if len(os.Args) > 1 {
os.Exit(RunVmTest(strings.NewReader(os.Args[1])))
} else {
os.Exit(RunVmTest(os.Stdin))
}
}
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