239 lines
6.7 KiB
Go
239 lines
6.7 KiB
Go
// Copyright 2015 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package tests
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import (
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"bytes"
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"encoding/hex"
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"fmt"
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"io"
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"math/big"
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"strconv"
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"strings"
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"testing"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/core"
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"github.com/ethereum/go-ethereum/core/state"
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"github.com/ethereum/go-ethereum/core/vm"
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"github.com/ethereum/go-ethereum/crypto"
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"github.com/ethereum/go-ethereum/ethdb"
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"github.com/ethereum/go-ethereum/logger/glog"
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)
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func RunStateTestWithReader(ruleSet RuleSet, r io.Reader, skipTests []string) error {
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tests := make(map[string]VmTest)
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if err := readJson(r, &tests); err != nil {
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return err
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}
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if err := runStateTests(ruleSet, tests, skipTests); err != nil {
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return err
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}
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return nil
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}
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func RunStateTest(ruleSet RuleSet, p string, skipTests []string) error {
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tests := make(map[string]VmTest)
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if err := readJsonFile(p, &tests); err != nil {
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return err
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}
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if err := runStateTests(ruleSet, tests, skipTests); err != nil {
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return err
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}
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return nil
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}
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func BenchStateTest(ruleSet RuleSet, p string, conf bconf, b *testing.B) error {
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tests := make(map[string]VmTest)
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if err := readJsonFile(p, &tests); err != nil {
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return err
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}
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test, ok := tests[conf.name]
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if !ok {
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return fmt.Errorf("test not found: %s", conf.name)
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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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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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benchStateTest(ruleSet, test, env, b)
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}
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return nil
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}
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func benchStateTest(ruleSet RuleSet, test VmTest, env map[string]string, b *testing.B) {
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b.StopTimer()
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db, _ := ethdb.NewMemDatabase()
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statedb := makePreState(db, test.Pre)
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b.StartTimer()
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RunState(ruleSet, statedb, env, test.Exec)
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}
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func runStateTests(ruleSet RuleSet, tests map[string]VmTest, skipTests []string) error {
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skipTest := make(map[string]bool, len(skipTests))
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for _, name := range skipTests {
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skipTest[name] = true
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}
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for name, test := range tests {
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if skipTest[name] /*|| name != "callcodecallcode_11" */ {
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glog.Infoln("Skipping state test", name)
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continue
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}
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//fmt.Println("StateTest:", name)
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if err := runStateTest(ruleSet, test); err != nil {
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return fmt.Errorf("%s: %s\n", name, err.Error())
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}
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//glog.Infoln("State test passed: ", name)
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//fmt.Println(string(statedb.Dump()))
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}
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return nil
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}
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func runStateTest(ruleSet RuleSet, test VmTest) error {
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db, _ := ethdb.NewMemDatabase()
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statedb := makePreState(db, test.Pre)
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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 vm.Logs
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)
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ret, logs, _, _ = RunState(ruleSet, statedb, env, test.Transaction)
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// Compare expected and actual return
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var rexp []byte
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if strings.HasPrefix(test.Out, "#") {
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n, _ := strconv.Atoi(test.Out[1:])
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rexp = make([]byte, n)
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} else {
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rexp = common.FromHex(test.Out)
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}
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if bytes.Compare(rexp, ret) != 0 {
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return fmt.Errorf("return failed. Expected %x, got %x\n", rexp, ret)
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}
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// check post state
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for addr, account := range test.Post {
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obj := statedb.GetStateObject(common.HexToAddress(addr))
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if obj == nil {
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return fmt.Errorf("did not find expected post-state account: %s", addr)
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}
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if obj.Balance().Cmp(common.Big(account.Balance)) != 0 {
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return fmt.Errorf("(%x) balance failed. Expected: %v have: %v\n", obj.Address().Bytes()[:4], common.String2Big(account.Balance), obj.Balance())
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}
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if obj.Nonce() != common.String2Big(account.Nonce).Uint64() {
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return fmt.Errorf("(%x) nonce failed. Expected: %v have: %v\n", obj.Address().Bytes()[:4], account.Nonce, obj.Nonce())
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}
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for addr, value := range account.Storage {
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v := statedb.GetState(obj.Address(), common.HexToHash(addr))
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vexp := common.HexToHash(value)
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if v != vexp {
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return fmt.Errorf("storage failed:\n%x: %s:\nexpected: %x\nhave: %x\n(%v %v)\n", obj.Address().Bytes(), addr, vexp, v, vexp.Big(), v.Big())
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}
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}
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}
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root, _ := statedb.Commit()
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if common.HexToHash(test.PostStateRoot) != root {
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return fmt.Errorf("Post state root error. Expected: %s have: %x", test.PostStateRoot, root)
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}
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// check logs
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if len(test.Logs) > 0 {
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if err := checkLogs(test.Logs, logs); err != nil {
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return err
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}
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}
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return nil
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}
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func RunState(ruleSet RuleSet, statedb *state.StateDB, env, tx map[string]string) ([]byte, vm.Logs, *big.Int, error) {
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var (
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data = common.FromHex(tx["data"])
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gas = common.Big(tx["gasLimit"])
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price = common.Big(tx["gasPrice"])
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value = common.Big(tx["value"])
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nonce = common.Big(tx["nonce"]).Uint64()
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)
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var to *common.Address
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if len(tx["to"]) > 2 {
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t := common.HexToAddress(tx["to"])
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to = &t
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}
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// Set pre compiled contracts
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vm.Precompiled = vm.PrecompiledContracts()
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snapshot := statedb.Snapshot()
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gaspool := new(core.GasPool).AddGas(common.Big(env["currentGasLimit"]))
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key, _ := hex.DecodeString(tx["secretKey"])
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addr := crypto.PubkeyToAddress(crypto.ToECDSA(key).PublicKey)
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message := NewMessage(addr, to, data, value, gas, price, nonce)
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vmenv := NewEnvFromMap(ruleSet, statedb, env, tx)
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vmenv.origin = addr
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ret, _, err := core.ApplyMessage(vmenv, message, gaspool)
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if core.IsNonceErr(err) || core.IsInvalidTxErr(err) || core.IsGasLimitErr(err) {
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statedb.RevertToSnapshot(snapshot)
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}
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statedb.Commit()
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return ret, vmenv.state.Logs(), vmenv.Gas, err
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}
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