293 lines
7.4 KiB
Go
293 lines
7.4 KiB
Go
package vm
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import (
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"bytes"
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"math/big"
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"strconv"
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"testing"
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"github.com/ethereum/go-ethereum/ethdb"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/logger"
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"github.com/ethereum/go-ethereum/state"
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"github.com/ethereum/go-ethereum/tests/helper"
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)
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type Account struct {
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Balance string
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Code string
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Nonce string
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Storage map[string]string
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}
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type Log struct {
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AddressF string `json:"address"`
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DataF string `json:"data"`
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TopicsF []string `json:"topics"`
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BloomF string `json:"bloom"`
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}
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func (self Log) Address() []byte { return common.Hex2Bytes(self.AddressF) }
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func (self Log) Data() []byte { return common.Hex2Bytes(self.DataF) }
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func (self Log) RlpData() interface{} { return nil }
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func (self Log) Topics() [][]byte {
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t := make([][]byte, len(self.TopicsF))
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for i, topic := range self.TopicsF {
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t[i] = common.Hex2Bytes(topic)
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}
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return t
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}
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func StateObjectFromAccount(db common.Database, addr string, account Account) *state.StateObject {
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obj := state.NewStateObject(common.Hex2Bytes(addr), db)
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obj.SetBalance(common.Big(account.Balance))
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if common.IsHex(account.Code) {
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account.Code = account.Code[2:]
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}
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obj.SetCode(common.Hex2Bytes(account.Code))
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obj.SetNonce(common.Big(account.Nonce).Uint64())
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return obj
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}
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type Env struct {
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CurrentCoinbase string
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CurrentDifficulty string
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CurrentGasLimit string
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CurrentNumber string
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CurrentTimestamp interface{}
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PreviousHash string
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}
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type VmTest struct {
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Callcreates interface{}
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//Env map[string]string
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Env Env
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Exec map[string]string
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Transaction map[string]string
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Logs []Log
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Gas string
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Out string
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Post map[string]Account
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Pre map[string]Account
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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()
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statedb := state.New(nil, db)
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for addr, account := range test.Pre {
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obj := StateObjectFromAccount(db, addr, account)
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statedb.SetStateObject(obj)
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for a, v := range account.Storage {
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obj.SetState(helper.FromHex(a), common.NewValue(helper.FromHex(v)))
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}
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}
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// XXX Yeah, yeah...
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env := make(map[string]string)
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env["currentCoinbase"] = test.Env.CurrentCoinbase
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env["currentDifficulty"] = test.Env.CurrentDifficulty
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env["currentGasLimit"] = test.Env.CurrentGasLimit
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env["currentNumber"] = test.Env.CurrentNumber
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env["previousHash"] = test.Env.PreviousHash
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if n, ok := test.Env.CurrentTimestamp.(float64); ok {
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env["currentTimestamp"] = strconv.Itoa(int(n))
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} else {
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env["currentTimestamp"] = test.Env.CurrentTimestamp.(string)
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}
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var (
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ret []byte
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gas *big.Int
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err error
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logs state.Logs
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)
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isVmTest := len(test.Exec) > 0
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if isVmTest {
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ret, logs, gas, err = helper.RunVm(statedb, env, test.Exec)
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} else {
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ret, logs, gas, err = helper.RunState(statedb, env, test.Transaction)
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}
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rexp := helper.FromHex(test.Out)
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if bytes.Compare(rexp, ret) != 0 {
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t.Errorf("%s's return failed. Expected %x, got %x\n", name, rexp, ret)
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}
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if isVmTest {
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if len(test.Gas) == 0 && err == nil {
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t.Errorf("%s's gas unspecified, indicating an error. VM returned (incorrectly) successfull", name)
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} else {
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gexp := common.Big(test.Gas)
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if gexp.Cmp(gas) != 0 {
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t.Errorf("%s's gas failed. Expected %v, got %v\n", name, gexp, gas)
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}
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}
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}
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for addr, account := range test.Post {
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obj := statedb.GetStateObject(helper.FromHex(addr))
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if obj == nil {
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continue
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}
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if len(test.Exec) == 0 {
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if obj.Balance().Cmp(common.Big(account.Balance)) != 0 {
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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(common.Big(account.Balance), obj.Balance()))
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}
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}
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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)
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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, common.BigD(vexp), common.BigD(v))
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}
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}
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}
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if !isVmTest {
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statedb.Sync()
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if !bytes.Equal(common.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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}
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}
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if len(test.Logs) > 0 {
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if len(test.Logs) != len(logs) {
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t.Errorf("log length mismatch. Expected %d, got %d", len(test.Logs), len(logs))
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} else {
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/*
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fmt.Println("A", test.Logs)
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fmt.Println("B", logs)
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for i, log := range test.Logs {
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genBloom := common.LeftPadBytes(types.LogsBloom(state.Logs{logs[i]}).Bytes(), 256)
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if !bytes.Equal(genBloom, common.Hex2Bytes(log.BloomF)) {
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t.Errorf("bloom mismatch")
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}
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}
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*/
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}
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}
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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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}
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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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}
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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) {
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const fn = "../files/VMTests/vmLogTest.json"
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RunVmTest(fn, t)
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}
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func TestPerformance(t *testing.T) {
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t.Skip()
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const fn = "../files/VMTests/vmPerformance.json"
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RunVmTest(fn, t)
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}
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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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}
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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"
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RunVmTest(fn, t)
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}
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func TestStateExample(t *testing.T) {
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const fn = "../files/StateTests/stExample.json"
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RunVmTest(fn, t)
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}
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func TestStateSystemOperations(t *testing.T) {
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const fn = "../files/StateTests/stSystemOperationsTest.json"
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RunVmTest(fn, t)
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}
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func TestStatePreCompiledContracts(t *testing.T) {
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const fn = "../files/StateTests/stPreCompiledContracts.json"
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RunVmTest(fn, t)
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}
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func TestStateRecursiveCreate(t *testing.T) {
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const fn = "../files/StateTests/stRecursiveCreate.json"
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RunVmTest(fn, t)
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}
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func TestStateSpecial(t *testing.T) {
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const fn = "../files/StateTests/stSpecialTest.json"
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RunVmTest(fn, t)
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}
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func TestStateRefund(t *testing.T) {
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const fn = "../files/StateTests/stRefundTest.json"
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RunVmTest(fn, t)
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}
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func TestStateBlockHash(t *testing.T) {
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const fn = "../files/StateTests/stBlockHashTest.json"
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RunVmTest(fn, t)
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}
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func TestStateInitCode(t *testing.T) {
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const fn = "../files/StateTests/stInitCodeTest.json"
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RunVmTest(fn, t)
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}
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func TestStateLog(t *testing.T) {
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const fn = "../files/StateTests/stLogTests.json"
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RunVmTest(fn, t)
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}
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func TestStateTransaction(t *testing.T) {
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t.Skip()
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const fn = "../files/StateTests/stTransactionTest.json"
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RunVmTest(fn, t)
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}
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