// Copyright 2014 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"
"encoding/hex"
"fmt"
"io"
"math/big"
"strconv"
"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/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 BenchStateTest(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)
}
pJit := vm.EnableJit
vm.EnableJit = conf.jit
pForceJit := vm.ForceJit
vm.ForceJit = conf.precomp
// 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(test, env, b)
}
vm.EnableJit = pJit
vm.ForceJit = pForceJit
return nil
}
func benchStateTest(test VmTest, env map[string]string, b *testing.B) {
b.StopTimer()
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))
}
}
b.StartTimer()
RunState(statedb, env, test.Exec)
}
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.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 (
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"]))
key, _ := hex.DecodeString(tx["secretKey"])
addr := crypto.PubkeyToAddress(crypto.ToECDSA(key).PublicKey)
message := NewMessage(addr, to, data, value, gas, price, nonce)
vmenv := NewEnvFromMap(statedb, env, tx)
vmenv.origin = addr
ret, _, err := core.ApplyMessage(vmenv, message, coinbase)
if core.IsNonceErr(err) || core.IsInvalidTxErr(err) || state.IsGasLimitErr(err) {
statedb.Set(snapshot)
}
statedb.SyncObjects()
return ret, vmenv.state.Logs(), vmenv.Gas, err
}
