go-ethereum/tests/vm/gh_test.go

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package vm
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import (
"bytes"
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"math/big"
"strconv"
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"testing"
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"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/ethutil"
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"github.com/ethereum/go-ethereum/logger"
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"github.com/ethereum/go-ethereum/state"
"github.com/ethereum/go-ethereum/tests/helper"
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)
type Account struct {
Balance string
Code string
Nonce string
Storage map[string]string
}
type Log struct {
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AddressF string `json:"address"`
DataF string `json:"data"`
TopicsF []string `json:"topics"`
BloomF string `json:"bloom"`
}
func (self Log) Address() []byte { return ethutil.Hex2Bytes(self.AddressF) }
func (self Log) Data() []byte { return ethutil.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] = ethutil.Hex2Bytes(topic)
}
return t
}
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func StateObjectFromAccount(db ethutil.Database, addr string, account Account) *state.StateObject {
obj := state.NewStateObject(ethutil.Hex2Bytes(addr), db)
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obj.SetBalance(ethutil.Big(account.Balance))
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if ethutil.IsHex(account.Code) {
account.Code = account.Code[2:]
}
obj.SetCode(ethutil.Hex2Bytes(account.Code))
obj.SetNonce(ethutil.Big(account.Nonce).Uint64())
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return obj
}
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type Env struct {
CurrentCoinbase string
CurrentDifficulty string
CurrentGasLimit string
CurrentNumber string
CurrentTimestamp interface{}
PreviousHash string
}
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type VmTest struct {
Callcreates interface{}
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//Env map[string]string
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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
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}
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func RunVmTest(p string, t *testing.T) {
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tests := make(map[string]VmTest)
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helper.CreateFileTests(t, p, &tests)
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for name, test := range tests {
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db, _ := ethdb.NewMemDatabase()
statedb := state.New(nil, db)
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for addr, account := range test.Pre {
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obj := StateObjectFromAccount(db, addr, account)
statedb.SetStateObject(obj)
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for a, v := range account.Storage {
obj.SetState(helper.FromHex(a), ethutil.NewValue(helper.FromHex(v)))
}
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}
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// 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
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)
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isVmTest := len(test.Exec) > 0
if isVmTest {
ret, logs, gas, err = helper.RunVm(statedb, env, test.Exec)
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} else {
ret, logs, gas, err = helper.RunState(statedb, env, test.Transaction)
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}
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statedb.Sync()
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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)
}
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if isVmTest {
if len(test.Gas) == 0 && err == nil {
t.Errorf("%s's gas unspecified, indicating an error. VM returned (incorrectly) successfull", name)
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} else {
gexp := ethutil.Big(test.Gas)
if gexp.Cmp(gas) != 0 {
t.Errorf("%s's gas failed. Expected %v, got %v\n", name, gexp, gas)
}
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}
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}
for addr, account := range test.Post {
obj := statedb.GetStateObject(helper.FromHex(addr))
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if obj == nil {
continue
}
if len(test.Exec) == 0 {
if obj.Balance().Cmp(ethutil.Big(account.Balance)) != 0 {
t.Errorf("%s's : (%x) balance failed. Expected %v, got %v => %v\n", name, obj.Address()[:4], account.Balance, obj.Balance(), new(big.Int).Sub(ethutil.Big(account.Balance), obj.Balance()))
}
}
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for addr, value := range account.Storage {
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v := obj.GetState(helper.FromHex(addr)).Bytes()
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vexp := helper.FromHex(value)
if bytes.Compare(v, vexp) != 0 {
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t.Errorf("%s's : (%x: %s) storage failed. Expected %x, got %x (%v %v)\n", name, obj.Address()[0:4], addr, vexp, v, ethutil.BigD(vexp), ethutil.BigD(v))
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}
}
}
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if !isVmTest {
if !bytes.Equal(ethutil.Hex2Bytes(test.PostStateRoot), statedb.Root()) {
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t.Errorf("%s's : Post state root error. Expected %s, got %x", name, test.PostStateRoot, statedb.Root())
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}
}
if len(test.Logs) > 0 {
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if len(test.Logs) != len(logs) {
t.Errorf("log length mismatch. Expected %d, got %d", len(test.Logs), len(logs))
} else {
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/*
fmt.Println("A", test.Logs)
fmt.Println("B", logs)
for i, log := range test.Logs {
genBloom := ethutil.LeftPadBytes(types.LogsBloom(state.Logs{logs[i]}).Bytes(), 256)
if !bytes.Equal(genBloom, ethutil.Hex2Bytes(log.BloomF)) {
t.Errorf("bloom mismatch")
}
}
*/
}
}
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//statedb.Trie().PrintRoot()
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}
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logger.Flush()
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}
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// I've created a new function for each tests so it's easier to identify where the problem lies if any of them fail.
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func TestVMArithmetic(t *testing.T) {
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const fn = "../files/VMTests/vmArithmeticTest.json"
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RunVmTest(fn, t)
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}
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func TestBitwiseLogicOperation(t *testing.T) {
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const fn = "../files/VMTests/vmBitwiseLogicOperationTest.json"
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RunVmTest(fn, t)
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}
func TestBlockInfo(t *testing.T) {
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const fn = "../files/VMTests/vmBlockInfoTest.json"
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RunVmTest(fn, t)
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}
func TestEnvironmentalInfo(t *testing.T) {
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const fn = "../files/VMTests/vmEnvironmentalInfoTest.json"
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RunVmTest(fn, t)
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}
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func TestFlowOperation(t *testing.T) {
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const fn = "../files/VMTests/vmIOandFlowOperationsTest.json"
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RunVmTest(fn, t)
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}
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func TestLogTest(t *testing.T) {
const fn = "../files/VMTests/vmLogTest.json"
RunVmTest(fn, t)
}
func TestPerformance(t *testing.T) {
t.Skip()
const fn = "../files/VMTests/vmPerformance.json"
RunVmTest(fn, t)
}
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func TestPushDupSwap(t *testing.T) {
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const fn = "../files/VMTests/vmPushDupSwapTest.json"
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RunVmTest(fn, t)
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}
func TestVMSha3(t *testing.T) {
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const fn = "../files/VMTests/vmSha3Test.json"
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RunVmTest(fn, t)
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}
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func TestVm(t *testing.T) {
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const fn = "../files/VMTests/vmtests.json"
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RunVmTest(fn, t)
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}
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func TestVmLog(t *testing.T) {
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const fn = "../files/VMTests/vmLogTest.json"
RunVmTest(fn, t)
}
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func TestStateExample(t *testing.T) {
const fn = "../files/StateTests/stExample.json"
RunVmTest(fn, t)
}
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func TestStateSystemOperations(t *testing.T) {
const fn = "../files/StateTests/stSystemOperationsTest.json"
RunVmTest(fn, t)
}
func TestStatePreCompiledContracts(t *testing.T) {
const fn = "../files/StateTests/stPreCompiledContracts.json"
RunVmTest(fn, t)
}
func TestStateRecursiveCreate(t *testing.T) {
const fn = "../files/StateTests/stRecursiveCreate.json"
RunVmTest(fn, t)
}
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func TestStateSpecial(t *testing.T) {
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const fn = "../files/StateTests/stSpecialTest.json"
RunVmTest(fn, t)
}
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func TestStateRefund(t *testing.T) {
const fn = "../files/StateTests/stRefundTest.json"
RunVmTest(fn, t)
}
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func TestStateBlockHash(t *testing.T) {
const fn = "../files/StateTests/stBlockHashTest.json"
RunVmTest(fn, t)
}
func TestStateInitCode(t *testing.T) {
const fn = "../files/StateTests/stInitCodeTest.json"
RunVmTest(fn, t)
}
func TestStateLog(t *testing.T) {
const fn = "../files/StateTests/stLogTests.json"
RunVmTest(fn, t)
}
func TestStateTransaction(t *testing.T) {
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t.Skip()
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const fn = "../files/StateTests/stTransactionTest.json"
RunVmTest(fn, t)
}