forked from cerc-io/plugeth
9e5f03b6c4
With this commit, core/state's access to the underlying key/value database is mediated through an interface. Database errors are tracked in StateDB and returned by CommitTo or the new Error method. Motivation for this change: We can remove the light client's duplicated copy of core/state. The light client now supports node iteration, so tracing and storage enumeration can work with the light client (not implemented in this commit).
198 lines
6.2 KiB
Go
198 lines
6.2 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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"fmt"
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"io"
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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/common/math"
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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/types"
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"github.com/ethereum/go-ethereum/ethdb"
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"github.com/ethereum/go-ethereum/log"
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"github.com/ethereum/go-ethereum/params"
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)
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func RunStateTestWithReader(chainConfig *params.ChainConfig, 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(chainConfig, 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(chainConfig *params.ChainConfig, 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(chainConfig, 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(chainConfig *params.ChainConfig, 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(chainConfig, test, env, b)
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}
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return nil
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}
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func benchStateTest(chainConfig *params.ChainConfig, 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(chainConfig, statedb, db, env, test.Exec)
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}
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func runStateTests(chainConfig *params.ChainConfig, 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 != "JUMPDEST_Attack"*/ {
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log.Info(fmt.Sprint("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(chainConfig, test); err != nil {
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return fmt.Errorf("%s: %s\n", name, err.Error())
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}
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//log.Info(fmt.Sprint("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(chainConfig *params.ChainConfig, 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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ret, logs, root, _ := RunState(chainConfig, statedb, db, env, test.Transaction)
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// Return value:
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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.Equal(rexp, ret) {
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return fmt.Errorf("return failed. Expected %x, got %x\n", rexp, ret)
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}
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// Post state content:
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for addr, account := range test.Post {
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address := common.HexToAddress(addr)
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if !statedb.Exist(address) {
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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 balance := statedb.GetBalance(address); balance.Cmp(math.MustParseBig256(account.Balance)) != 0 {
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return fmt.Errorf("(%x) balance failed. Expected: %v have: %v\n", address[:4], math.MustParseBig256(account.Balance), balance)
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}
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if nonce := statedb.GetNonce(address); nonce != math.MustParseUint64(account.Nonce) {
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return fmt.Errorf("(%x) nonce failed. Expected: %v have: %v\n", address[:4], account.Nonce, nonce)
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}
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for addr, value := range account.Storage {
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v := statedb.GetState(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", address[:4], addr, vexp, v, vexp.Big(), v.Big())
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}
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}
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}
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// Root:
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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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// Logs:
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return checkLogs(test.Logs, logs)
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}
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func RunState(chainConfig *params.ChainConfig, statedb *state.StateDB, db ethdb.Database, env, tx map[string]string) ([]byte, []*types.Log, common.Hash, error) {
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environment, msg := NewEVMEnvironment(false, chainConfig, statedb, env, tx)
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gaspool := new(core.GasPool).AddGas(math.MustParseBig256(env["currentGasLimit"]))
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snapshot := statedb.Snapshot()
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ret, _, err := core.ApplyMessage(environment, msg, gaspool)
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if err != nil {
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statedb.RevertToSnapshot(snapshot)
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}
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root, _ := statedb.CommitTo(db, chainConfig.IsEIP158(environment.Context.BlockNumber))
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return ret, statedb.Logs(), root, err
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}
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