package main import ( "bytes" "encoding/json" "io/ioutil" "log" "os" "strings" "github.com/ethereum/go-ethereum/ethstate" "github.com/ethereum/go-ethereum/ethutil" "github.com/ethereum/go-ethereum/tests/helper" ) type Account struct { Balance string Code string Nonce string Storage map[string]string } func StateObjectFromAccount(addr string, account Account) *ethstate.StateObject { obj := ethstate.NewStateObject(ethutil.Hex2Bytes(addr)) obj.SetBalance(ethutil.Big(account.Balance)) if ethutil.IsHex(account.Code) { account.Code = account.Code[2:] } obj.Code = ethutil.Hex2Bytes(account.Code) obj.Nonce = ethutil.Big(account.Nonce).Uint64() return obj } type VmTest struct { Callcreates interface{} Env map[string]string Exec map[string]string Gas string Out string Post map[string]Account Pre map[string]Account } func RunVmTest(js string) (failed int) { tests := make(map[string]VmTest) data, _ := ioutil.ReadAll(strings.NewReader(js)) err := json.Unmarshal(data, &tests) if err != nil { log.Fatalln(err) } for name, test := range tests { state := ethstate.New(helper.NewTrie()) for addr, account := range test.Pre { obj := StateObjectFromAccount(addr, account) state.SetStateObject(obj) } ret, gas, err := helper.RunVm(state, test.Env, test.Exec) // When an error is returned it doesn't always mean the tests fails. // Have to come up with some conditional failing mechanism. if err != nil { log.Println(err) } rexp := helper.FromHex(test.Out) if bytes.Compare(rexp, ret) != 0 { log.Printf("%s's return failed. Expected %x, got %x\n", name, rexp, ret) failed = 1 } gexp := ethutil.Big(test.Gas) if gexp.Cmp(gas) != 0 { log.Printf("%s's gas failed. Expected %v, got %v\n", name, gexp, gas) failed = 1 } for addr, account := range test.Post { obj := state.GetStateObject(helper.FromHex(addr)) for addr, value := range account.Storage { v := obj.GetState(helper.FromHex(addr)).Bytes() vexp := helper.FromHex(value) if bytes.Compare(v, vexp) != 0 { log.Printf("%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)) failed = 1 } } } } return } func main() { helper.Logger.SetLogLevel(5) if len(os.Args) == 1 { log.Fatalln("no json supplied") } os.Exit(RunVmTest(os.Args[1])) }