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// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package tests
import (
"bytes"
"fmt"
"io"
"math/big"
"strconv"
"strings"
"testing"
"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/types"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/logger/glog"
"github.com/ethereum/go-ethereum/params"
)
func RunStateTestWithReader(chainConfig *params.ChainConfig, r io.Reader, skipTests []string) error {
tests := make(map[string]VmTest)
if err := readJson(r, &tests); err != nil {
return err
}
if err := runStateTests(chainConfig, tests, skipTests); err != nil {
return err
}
return nil
}
func RunStateTest(chainConfig *params.ChainConfig, p string, skipTests []string) error {
tests := make(map[string]VmTest)
if err := readJsonFile(p, &tests); err != nil {
return err
}
if err := runStateTests(chainConfig, tests, skipTests); err != nil {
return err
}
return nil
}
func BenchStateTest(chainConfig *params.ChainConfig, p string, conf bconf, b *testing.B) error {
tests := make(map[string]VmTest)
if err := readJsonFile(p, &tests); err != nil {
return err
}
test, ok := tests[conf.name]
if !ok {
return fmt.Errorf("test not found: %s", conf.name)
}
// 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)
}
b.ResetTimer()
for i := 0; i < b.N; i++ {
benchStateTest(chainConfig, test, env, b)
}
return nil
}
func benchStateTest(chainConfig *params.ChainConfig, test VmTest, env map[string]string, b *testing.B) {
b.StopTimer()
db, _ := ethdb.NewMemDatabase()
statedb := makePreState(db, test.Pre)
b.StartTimer()
RunState(chainConfig, statedb, env, test.Exec)
}
func runStateTests(chainConfig *params.ChainConfig, 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] /*|| name != "JUMPDEST_Attack"*/ {
glog.Infoln("Skipping state test", name)
continue
}
//fmt.Println("StateTest:", name)
if err := runStateTest(chainConfig, 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(chainConfig *params.ChainConfig, test VmTest) error {
db, _ := ethdb.NewMemDatabase()
statedb := makePreState(db, test.Pre)
// 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 []*types.Log
)
ret, logs, _, _ = RunState(chainConfig, statedb, env, test.Transaction)
// Compare expected and actual return
var rexp []byte
if strings.HasPrefix(test.Out, "#") {
n, _ := strconv.Atoi(test.Out[1:])
rexp = make([]byte, n)
} else {
rexp = common.FromHex(test.Out)
}
if !bytes.Equal(rexp, ret) {
return fmt.Errorf("return failed. Expected %x, got %x\n", rexp, ret)
}
// check post state
for addr, account := range test.Post {
address := common.HexToAddress(addr)
if !statedb.Exist(address) {
return fmt.Errorf("did not find expected post-state account: %s", addr)
}
if balance := statedb.GetBalance(address); balance.Cmp(common.Big(account.Balance)) != 0 {
return fmt.Errorf("(%x) balance failed. Expected: %v have: %v\n", address[:4], common.String2Big(account.Balance), balance)
}
if nonce := statedb.GetNonce(address); nonce != common.String2Big(account.Nonce).Uint64() {
return fmt.Errorf("(%x) nonce failed. Expected: %v have: %v\n", address[:4], account.Nonce, nonce)
}
for addr, value := range account.Storage {
v := statedb.GetState(address, common.HexToHash(addr))
vexp := common.HexToHash(value)
if v != vexp {
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())
}
}
}
root, _ := statedb.Commit(false)
if common.HexToHash(test.PostStateRoot) != root {
return fmt.Errorf("Post state root error. Expected: %s have: %x", test.PostStateRoot, root)
}
// check logs
if len(test.Logs) > 0 {
if err := checkLogs(test.Logs, logs); err != nil {
return err
}
}
return nil
}
func RunState(chainConfig *params.ChainConfig, statedb *state.StateDB, env, tx map[string]string) ([]byte, []*types.Log, *big.Int, error) {
environment, msg := NewEVMEnvironment(false, chainConfig, statedb, env, tx)
gaspool := new(core.GasPool).AddGas(common.Big(env["currentGasLimit"]))
root, _ := statedb.Commit(false)
statedb.Reset(root)
snapshot := statedb.Snapshot()
ret, gasUsed, err := core.ApplyMessage(environment, msg, gaspool)
if core.IsNonceErr(err) || core.IsInvalidTxErr(err) || core.IsGasLimitErr(err) {
statedb.RevertToSnapshot(snapshot)
}
statedb.Commit(chainConfig.IsEIP158(environment.Context.BlockNumber))
return ret, statedb.Logs(), gasUsed, err
}
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