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" ) 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 VmEnv struct { CurrentCoinbase string CurrentDifficulty string CurrentGasLimit string CurrentNumber string CurrentTimestamp interface{} PreviousHash string } type VmTest struct { Callcreates interface{} //Env map[string]string Env VmEnv 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) 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 = RunVm(statedb, env, test.Exec) } else { ret, logs, gas, err = 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 := common.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, common.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() }