func testEthConfig() *eth.Config {
	ks := crypto.NewKeyStorePassphrase(path.Join(common.DefaultDataDir(), "keys"))

	return &eth.Config{
		DataDir:        common.DefaultDataDir(),
		LogLevel:       5,
		Etherbase:      "primary",
		AccountManager: accounts.NewManager(ks),
		NewDB:          func(path string) (common.Database, error) { return ethdb.NewMemDatabase() },
	}
}

func (test *BlockTest) makeEthConfig() *eth.Config {
	ks := crypto.NewKeyStorePassphrase(filepath.Join(common.DefaultDataDir(), "keystore"))

	return &eth.Config{
		DataDir:        common.DefaultDataDir(),
		Verbosity:      5,
		Etherbase:      common.Address{},
		AccountManager: accounts.NewManager(ks),
		NewDB:          func(path string) (common.Database, error) { return ethdb.NewMemDatabase() },
	}
}

func runBlockTest(test *BlockTest) error {
	ks := crypto.NewKeyStorePassphrase(filepath.Join(common.DefaultDataDir(), "keystore"), crypto.StandardScryptN, crypto.StandardScryptP)
	am := accounts.NewManager(ks)
	db, _ := ethdb.NewMemDatabase()
	cfg := &eth.Config{
		DataDir:        common.DefaultDataDir(),
		Verbosity:      5,
		Etherbase:      common.Address{},
		AccountManager: am,
		NewDB:          func(path string) (ethdb.Database, error) { return db, nil },
	}

	cfg.GenesisBlock = test.Genesis

	// import pre accounts & construct test genesis block & state root
	_, err := test.InsertPreState(db, am)
	if err != nil {
		return fmt.Errorf("InsertPreState: %v", err)
	}

	ethereum, err := eth.New(cfg)
	if err != nil {
		return err
	}

	err = ethereum.Start()
	if err != nil {
		return err
	}

	cm := ethereum.BlockChain()
	validBlocks, err := test.TryBlocksInsert(cm)
	if err != nil {
		return err
	}

	lastblockhash := common.HexToHash(test.lastblockhash)
	cmlast := cm.LastBlockHash()
	if lastblockhash != cmlast {
		return fmt.Errorf("lastblockhash validation mismatch: want: %x, have: %x", lastblockhash, cmlast)
	}

	newDB, err := cm.State()
	if err != nil {
		return err
	}
	if err = test.ValidatePostState(newDB); err != nil {
		return fmt.Errorf("post state validation failed: %v", err)
	}

	return test.ValidateImportedHeaders(cm, validBlocks)
}

func TestKeyStorePassphrase(t *testing.T) {
	ks := NewKeyStorePassphrase(common.DefaultDataDir(), LightScryptN, LightScryptP)
	pass := "foo"
	k1, err := ks.GenerateNewKey(randentropy.Reader, pass)
	if err != nil {
		t.Fatal(err)
	}
	k2 := new(Key)
	k2, err = ks.GetKey(k1.Address, pass)
	if err != nil {
		t.Fatal(err)
	}
	if !reflect.DeepEqual(k1.Address, k2.Address) {
		t.Fatal(err)
	}

	if !reflect.DeepEqual(k1.PrivateKey, k2.PrivateKey) {
		t.Fatal(err)
	}

	err = ks.DeleteKey(k2.Address, pass) // also to clean up created files
	if err != nil {
		t.Fatal(err)
	}
}

func TestKeyStorePlain(t *testing.T) {
	ks := NewKeyStorePlain(common.DefaultDataDir())
	pass := "" // not used but required by API
	k1, err := ks.GenerateNewKey(randentropy.Reader, pass)
	if err != nil {
		t.Fatal(err)
	}

	k2 := new(Key)
	k2, err = ks.GetKey(k1.Address, pass)
	if err != nil {
		t.Fatal(err)
	}

	if !reflect.DeepEqual(k1.Address, k2.Address) {
		t.Fatal(err)
	}

	if !reflect.DeepEqual(k1.PrivateKey, k2.PrivateKey) {
		t.Fatal(err)
	}

	err = ks.DeleteKey(k2.Address, pass)
	if err != nil {
		t.Fatal(err)
	}
}

// Used only by block tests.
func ImportBlockTestKey(privKeyBytes []byte) error {
	ks := NewKeyStorePassphrase(common.DefaultDataDir() + "/keystore")
	ecKey := ToECDSA(privKeyBytes)
	key := &Key{
		Id:         uuid.NewRandom(),
		Address:    PubkeyToAddress(ecKey.PublicKey),
		PrivateKey: ecKey,
	}
	err := ks.StoreKey(key, "")
	return err
}

func TestImportPreSaleKey(t *testing.T) {
	// file content of a presale key file generated with:
	// python pyethsaletool.py genwallet
	// with password "foo"
	fileContent := "{\"encseed\": \"26d87f5f2bf9835f9a47eefae571bc09f9107bb13d54ff12a4ec095d01f83897494cf34f7bed2ed34126ecba9db7b62de56c9d7cd136520a0427bfb11b8954ba7ac39b90d4650d3448e31185affcd74226a68f1e94b1108e6e0a4a91cdd83eba\", \"ethaddr\": \"d4584b5f6229b7be90727b0fc8c6b91bb427821f\", \"email\": \"[email protected]\", \"btcaddr\": \"1EVknXyFC68kKNLkh6YnKzW41svSRoaAcx\"}"
	ks := NewKeyStorePassphrase(common.DefaultDataDir(), LightScryptN, LightScryptP)
	pass := "foo"
	_, err := ImportPreSaleKey(ks, []byte(fileContent), pass)
	if err != nil {
		t.Fatal(err)
	}
}

func (self *jsre) withHistory(op func(*os.File)) {
	datadir := common.DefaultDataDir()
	if self.ethereum != nil {
		datadir = self.ethereum.DataDir
	}

	hist, err := os.OpenFile(filepath.Join(datadir, "history"), os.O_RDWR|os.O_CREATE, os.ModePerm)
	if err != nil {
		fmt.Printf("unable to open history file: %v\n", err)
		return
	}
	op(hist)
	hist.Close()
}

func IpcSocketPath(ctx *cli.Context) (ipcpath string) {
	if common.IsWindows() {
		ipcpath = common.DefaultIpcPath()
		if ipcpath != ctx.GlobalString(IPCPathFlag.Name) {
			ipcpath = ctx.GlobalString(IPCPathFlag.Name)
		}
	} else {
		ipcpath = common.DefaultIpcPath()
		if ctx.GlobalString(IPCPathFlag.Name) != common.DefaultIpcPath() {
			ipcpath = ctx.GlobalString(IPCPathFlag.Name)
		} else if ctx.GlobalString(DataDirFlag.Name) != "" &&
			ctx.GlobalString(DataDirFlag.Name) != common.DefaultDataDir() {
			ipcpath = filepath.Join(ctx.GlobalString(DataDirFlag.Name), "geth.ipc")
		}
	}

	return
}

func TestKeyStorePassphraseDecryptionFail(t *testing.T) {
	ks := NewKeyStorePassphrase(common.DefaultDataDir(), LightScryptN, LightScryptP)
	pass := "foo"
	k1, err := ks.GenerateNewKey(randentropy.Reader, pass)
	if err != nil {
		t.Fatal(err)
	}

	_, err = ks.GetKey(k1.Address, "bar") // wrong passphrase
	if err == nil {
		t.Fatal(err)
	}

	err = ks.DeleteKey(k1.Address, "bar") // wrong passphrase
	if err == nil {
		t.Fatal(err)
	}

	err = ks.DeleteKey(k1.Address, pass) // to clean up
	if err != nil {
		t.Fatal(err)
	}
}

	return app
}

// These are all the command line flags we support.
// If you add to this list, please remember to include the
// flag in the appropriate command definition.
//
// The flags are defined here so their names and help texts
// are the same for all commands.

var (
	// General settings
	DataDirFlag = DirectoryFlag{
		Name:  "datadir",
		Usage: "Data directory for the databases and keystore",
		Value: DirectoryString{common.DefaultDataDir()},
	}
	KeyStoreDirFlag = DirectoryFlag{
		Name:  "keystore",
		Usage: "Directory for the keystore (default = inside the datadir)",
	}
	NetworkIdFlag = cli.IntFlag{
		Name:  "networkid",
		Usage: "Network identifier (integer, 0=Olympic, 1=Frontier, 2=Morden)",
		Value: eth.NetworkId,
	}
	OlympicFlag = cli.BoolFlag{
		Name:  "olympic",
		Usage: "Olympic network: pre-configured pre-release test network",
	}
	TestNetFlag = cli.BoolFlag{

// DefaultIPCEndpoint returns the IPC path used by default.
func DefaultIPCEndpoint() string {
	config := &Config{DataDir: common.DefaultDataDir(), IPCPath: common.DefaultIPCSocket}
	return config.IPCEndpoint()
}

	}
	if err := app.Run(os.Args); err != nil {
		fmt.Fprintln(os.Stderr, err)
		os.Exit(1)
	}
}

var passwordFileFlag = cli.StringFlag{
	Name:  "password",
	Usage: "Path to password file (not recommended for interactive use)",
	Value: "",
}
var keyDirFlag = utils.DirectoryFlag{
	Name:  "keydir",
	Usage: "Key directory to be used",
	Value: utils.DirectoryString{path.Join(common.DefaultDataDir(), "keys")},
}

func unlockAccount(ctx *cli.Context, am *accounts.Manager, account string) (passphrase string) {
	var err error
	// Load startup keys. XXX we are going to need a different format
	// Attempt to unlock the account
	passphrase = getPassPhrase(ctx, "")
	accbytes := common.FromHex(account)
	if len(accbytes) == 0 {
		utils.Fatalf("Invalid account address '%s'", account)
	}
	err = am.Unlock(accbytes, passphrase)
	if err != nil {
		utils.Fatalf("Unlock account failed '%v'", err)
	}