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package tests
import (
"bytes"
"math/big"
"strconv"
"testing"
"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/ethdb"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/tests/helper"
)
type Account struct {
Balance string
Code string
Nonce string
Storage map[string]string
}
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
}
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 Env struct {
CurrentCoinbase string
CurrentDifficulty string
CurrentGasLimit string
CurrentNumber string
CurrentTimestamp interface{}
PreviousHash string
}
type VmTest struct {
Callcreates interface{}
//Env map[string]string
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
}
func RunVmTest(p string, t *testing.T) {
tests := make(map[string]VmTest)
helper.CreateFileTests(t, p, &tests)
for name, test := range tests {
/*
vm.Debug = true
glog.SetV(4)
glog.SetToStderr(true)
if name != "Call50000_sha256" {
continue
}
*/
db, _ := ethdb.NewMemDatabase()
statedb := state.New(common.Hash{}, db)
for addr, account := range test.Pre {
obj := StateObjectFromAccount(db, addr, account)
statedb.SetStateObject(obj)
for a, v := range account.Storage {
obj.SetState(common.HexToHash(a), common.HexToHash(v))
}
}
// XXX Yeah, yeah...
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)
}
var (
ret []byte
gas *big.Int
err error
logs state.Logs
)
isVmTest := len(test.Exec) > 0
if isVmTest {
ret, logs, gas, err = helper.RunVm(statedb, env, test.Exec)
} else {
ret, logs, gas, err = helper.RunState(statedb, env, test.Transaction)
}
switch name {
// the memory required for these tests (4294967297 bytes) would take too much time.
// on 19 May 2015 decided to skip these tests their output.
case "mload32bitBound_return", "mload32bitBound_return2":
default:
rexp := helper.FromHex(test.Out)
if bytes.Compare(rexp, ret) != 0 {
t.Errorf("%s's return failed. Expected %x, got %x\n", name, rexp, ret)
}
}
if isVmTest {
if len(test.Gas) == 0 && err == nil {
t.Errorf("%s's gas unspecified, indicating an error. VM returned (incorrectly) successfull", name)
} else {
gexp := common.Big(test.Gas)
if gexp.Cmp(gas) != 0 {
t.Errorf("%s's gas failed. Expected %v, got %v\n", name, gexp, gas)
}
}
}
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 {
t.Errorf("%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()))
}
if obj.Nonce() != common.String2Big(account.Nonce).Uint64() {
t.Errorf("%s's : (%x) nonce failed. Expected %v, got %v\n", name, obj.Address().Bytes()[:4], account.Nonce, obj.Nonce())
}
}
for addr, value := range account.Storage {
v := obj.GetState(common.HexToHash(addr))
vexp := common.HexToHash(value)
if v != vexp {
t.Errorf("%s's : (%x: %s) storage failed. Expected %x, got %x (%v %v)\n", name, obj.Address().Bytes()[0:4], addr, vexp, v, vexp.Big(), v.Big())
}
}
}
if !isVmTest {
statedb.Sync()
//if !bytes.Equal(common.Hex2Bytes(test.PostStateRoot), statedb.Root()) {
if common.HexToHash(test.PostStateRoot) != statedb.Root() {
t.Errorf("%s's : Post state root error. Expected %s, got %x", name, test.PostStateRoot, statedb.Root())
}
}
if len(test.Logs) > 0 {
if len(test.Logs) != len(logs) {
t.Errorf("log length mismatch. Expected %d, got %d", len(test.Logs), len(logs))
} else {
for i, log := range test.Logs {
if common.HexToAddress(log.AddressF) != logs[i].Address {
t.Errorf("'%s' log address expected %v got %x", name, log.AddressF, logs[i].Address)
}
if !bytes.Equal(logs[i].Data, helper.FromHex(log.DataF)) {
t.Errorf("'%s' log data expected %v got %x", name, log.DataF, logs[i].Data)
}
if len(log.TopicsF) != len(logs[i].Topics) {
t.Errorf("'%s' log topics length expected %d got %d", name, len(log.TopicsF), logs[i].Topics)
} else {
for j, topic := range log.TopicsF {
if common.HexToHash(topic) != logs[i].Topics[j] {
t.Errorf("'%s' log topic[%d] expected %v got %x", name, j, topic, logs[i].Topics[j])
}
}
}
genBloom := common.LeftPadBytes(types.LogsBloom(state.Logs{logs[i]}).Bytes(), 256)
if !bytes.Equal(genBloom, common.Hex2Bytes(log.BloomF)) {
t.Errorf("'%s' bloom mismatch", name)
}
}
}
}
//fmt.Println(string(statedb.Dump()))
}
logger.Flush()
}
|
