package tests import ( "bytes" "fmt" "io" "math/big" "strconv" "github.com/ethereum/go-ethereum/common" "github.com/ethereum/go-ethereum/core" "github.com/ethereum/go-ethereum/core/state" "github.com/ethereum/go-ethereum/core/vm" "github.com/ethereum/go-ethereum/crypto" "github.com/ethereum/go-ethereum/ethdb" "github.com/ethereum/go-ethereum/logger/glog" ) func RunStateTestWithReader(r io.Reader, skipTests []string) error { tests := make(map[string]VmTest) if err := readJson(r, &tests); err != nil { return err } if err := runStateTests(tests, skipTests); err != nil { return err } return nil } func RunStateTest(p string, skipTests []string) error { tests := make(map[string]VmTest) if err := readJsonFile(p, &tests); err != nil { return err } if err := runStateTests(tests, skipTests); err != nil { return err } return nil } func runStateTests(tests map[string]VmTest, skipTests []string) error { skipTest := make(map[string]bool, len(skipTests)) for _, name := range skipTests { skipTest[name] = true } for name, test := range tests { if skipTest[name] { glog.Infoln("Skipping state test", name) return nil } if err := runStateTest(test); err != nil { return fmt.Errorf("%s: %s\n", name, err.Error()) } glog.Infoln("State test passed: ", name) //fmt.Println(string(statedb.Dump())) } return nil } func runStateTest(test VmTest) error { 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 ) ret, logs, _, _ = RunState(statedb, env, test.Transaction) // // Compare expected and actual return rexp := common.FromHex(test.Out) if bytes.Compare(rexp, ret) != 0 { return fmt.Errorf("return failed. Expected %x, got %x\n", rexp, ret) } // check post state for addr, account := range test.Post { obj := statedb.GetStateObject(common.HexToAddress(addr)) if obj == nil { continue } if obj.Balance().Cmp(common.Big(account.Balance)) != 0 { return fmt.Errorf("(%x) balance failed. Expected %v, got %v => %v\n", 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() { return fmt.Errorf("(%x) nonce failed. Expected %v, got %v\n", 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 { return fmt.Errorf("(%x: %s) storage failed. Expected %x, got %x (%v %v)\n", obj.Address().Bytes()[0:4], addr, vexp, v, vexp.Big(), v.Big()) } } } statedb.Sync() if common.HexToHash(test.PostStateRoot) != statedb.Root() { return fmt.Errorf("Post state root error. Expected %s, got %x", test.PostStateRoot, statedb.Root()) } // check logs if len(test.Logs) > 0 { if err := checkLogs(test.Logs, logs); err != nil { return err } } return nil } func RunState(statedb *state.StateDB, env, tx map[string]string) ([]byte, state.Logs, *big.Int, error) { var ( keyPair, _ = crypto.NewKeyPairFromSec([]byte(common.Hex2Bytes(tx["secretKey"]))) data = common.FromHex(tx["data"]) gas = common.Big(tx["gasLimit"]) price = common.Big(tx["gasPrice"]) value = common.Big(tx["value"]) nonce = common.Big(tx["nonce"]).Uint64() caddr = common.HexToAddress(env["currentCoinbase"]) ) var to *common.Address if len(tx["to"]) > 2 { t := common.HexToAddress(tx["to"]) to = &t } // Set pre compiled contracts vm.Precompiled = vm.PrecompiledContracts() snapshot := statedb.Copy() coinbase := statedb.GetOrNewStateObject(caddr) coinbase.SetGasLimit(common.Big(env["currentGasLimit"])) message := NewMessage(common.BytesToAddress(keyPair.Address()), to, data, value, gas, price, nonce) vmenv := NewEnvFromMap(statedb, env, tx) vmenv.origin = common.BytesToAddress(keyPair.Address()) ret, _, err := core.ApplyMessage(vmenv, message, coinbase) if core.IsNonceErr(err) || core.IsInvalidTxErr(err) || state.IsGasLimitErr(err) { statedb.Set(snapshot) } statedb.Update() return ret, vmenv.state.Logs(), vmenv.Gas, err }