gui changes

- remove lib   *EthLib, expose gui itself to initial import window
- remove addr []byte instead use dynamic adress()
- use ethereum.KeyManager to retrieve address and privateKey
- add Session string (keyRing identifier)
- add and reimplement ImportAndSetPrivKey and CreateAndSetPrivKey

ethereal/ui/gui.go

@@ -28,36 +28,28 @@ type Gui struct {
 	eth *eth.Ethereum
 
 	// The public Ethereum library
-	lib   *EthLib
 	uiLib *UiLib
 
 	txDb *ethdb.LDBDatabase
 
-	addr []byte
-
 	pub      *ethpub.PEthereum
 	logLevel ethlog.LogLevel
 	open     bool
+
+	Session string
 }
 
 // Create GUI, but doesn't start it
-func New(ethereum *eth.Ethereum, logLevel int) *Gui {
-	lib := &EthLib{stateManager: ethereum.StateManager(), blockChain: ethereum.BlockChain(), txPool: ethereum.TxPool()}
+func New(ethereum *eth.Ethereum, session string, logLevel int) *Gui {
+
 	db, err := ethdb.NewLDBDatabase("tx_database")
 	if err != nil {
 		panic(err)
 	}
 
-	// On first run we won't have any keys yet, so this would crash.
-	// Therefor we check if we are ready to actually start this process
-	var addr []byte
-	if ethutil.GetKeyRing().Len() != 0 {
-		addr = ethutil.GetKeyRing().Get(0).Address()
-	}
-
 	pub := ethpub.NewPEthereum(ethereum)
 
-	return &Gui{eth: ethereum, lib: lib, txDb: db, addr: addr, pub: pub, logLevel: ethlog.LogLevel(logLevel), open: false}
+	return &Gui{eth: ethereum, txDb: db, pub: pub, logLevel: ethlog.LogLevel(logLevel), Session: session, open: false}
 }
 
 func (gui *Gui) Start(assetPath string) {
@@ -158,12 +150,11 @@ func (gui *Gui) showWallet(context *qml.Context) (*qml.Window, error) {
 }
 
 func (gui *Gui) showKeyImport(context *qml.Context) (*qml.Window, error) {
-	context.SetVar("lib", gui.lib)
+	context.SetVar("lib", gui)
 	component, err := gui.engine.LoadFile(gui.uiLib.AssetPath("qml/first_run.qml"))
 	if err != nil {
 		return nil, err
 	}
-
 	return gui.createWindow(component), nil
 }
 
@@ -175,15 +166,36 @@ func (gui *Gui) createWindow(comp qml.Object) *qml.Window {
 
 	return gui.win
 }
+
+func (gui *Gui) ImportAndSetPrivKey(secret string) bool {
+	err := gui.eth.KeyManager().InitFromString(gui.Session, 0, secret)
+	if err != nil {
+		logger.Errorln("unable to import: ", err)
+		return false
+	}
+	logger.Errorln("successfully imported: ", err)
+	return true
+}
+
+func (gui *Gui) CreateAndSetPrivKey() (string, string, string, string) {
+	err := gui.eth.KeyManager().Init(gui.Session, 0, true)
+	if err != nil {
+		logger.Errorln("unable to create key: ", err)
+		return "", "", "", ""
+	}
+	return gui.eth.KeyManager().KeyPair().AsStrings()
+}
+
 func (gui *Gui) setInitialBlockChain() {
 	sBlk := gui.eth.BlockChain().LastBlockHash
 	blk := gui.eth.BlockChain().GetBlock(sBlk)
 	for ; blk != nil; blk = gui.eth.BlockChain().GetBlock(sBlk) {
 		sBlk = blk.PrevHash
+		addr := gui.address()
 
 		// Loop through all transactions to see if we missed any while being offline
 		for _, tx := range blk.Transactions() {
-			if bytes.Compare(tx.Sender(), gui.addr) == 0 || bytes.Compare(tx.Recipient, gui.addr) == 0 {
+			if bytes.Compare(tx.Sender(), addr) == 0 || bytes.Compare(tx.Recipient, addr) == 0 {
 				if ok, _ := gui.txDb.Get(tx.Hash()); ok == nil {
 					gui.txDb.Put(tx.Hash(), tx.RlpEncode())
 				}
@@ -199,25 +211,26 @@ type address struct {
 	Name, Address string
 }
 
-var namereg = ethutil.FromHex("bb5f186604d057c1c5240ca2ae0f6430138ac010")
+var namereg = ethutil.Hex2Bytes("bb5f186604d057c1c5240ca2ae0f6430138ac010")
 
 func (gui *Gui) loadAddressBook() {
 	gui.win.Root().Call("clearAddress")
 	stateObject := gui.eth.StateManager().CurrentState().GetStateObject(namereg)
 	if stateObject != nil {
 		stateObject.State().EachStorage(func(name string, value *ethutil.Value) {
-			gui.win.Root().Call("addAddress", struct{ Name, Address string }{name, ethutil.Hex(value.Bytes())})
+			gui.win.Root().Call("addAddress", struct{ Name, Address string }{name, ethutil.Bytes2Hex(value.Bytes())})
 		})
 	}
 }
 
 func (gui *Gui) readPreviousTransactions() {
 	it := gui.txDb.Db().NewIterator(nil, nil)
+	addr := gui.address()
 	for it.Next() {
 		tx := ethchain.NewTransactionFromBytes(it.Value())
 
 		var inout string
-		if bytes.Compare(tx.Sender(), gui.addr) == 0 {
+		if bytes.Compare(tx.Sender(), addr) == 0 {
 			inout = "send"
 		} else {
 			inout = "recv"
@@ -269,29 +282,29 @@ func (gui *Gui) update() {
 	state := gui.eth.StateManager().TransState()
 
 	unconfirmedFunds := new(big.Int)
-	gui.win.Root().Call("setWalletValue", fmt.Sprintf("%v", ethutil.CurrencyToString(state.GetAccount(gui.addr).Amount)))
+	gui.win.Root().Call("setWalletValue", fmt.Sprintf("%v", ethutil.CurrencyToString(state.GetAccount(gui.address()).Amount)))
 
 	for {
 		select {
 		case b := <-blockChan:
 			block := b.Resource.(*ethchain.Block)
 			gui.processBlock(block, false)
-			if bytes.Compare(block.Coinbase, gui.addr) == 0 {
-				gui.setWalletValue(gui.eth.StateManager().CurrentState().GetAccount(gui.addr).Amount, nil)
+			if bytes.Compare(block.Coinbase, gui.address()) == 0 {
+				gui.setWalletValue(gui.eth.StateManager().CurrentState().GetAccount(gui.address()).Amount, nil)
 			}
 
 		case txMsg := <-txChan:
 			tx := txMsg.Resource.(*ethchain.Transaction)
 
 			if txMsg.Event == "newTx:pre" {
-				object := state.GetAccount(gui.addr)
+				object := state.GetAccount(gui.address())
 
-				if bytes.Compare(tx.Sender(), gui.addr) == 0 {
+				if bytes.Compare(tx.Sender(), gui.address()) == 0 {
 					gui.win.Root().Call("addTx", ethpub.NewPTx(tx), "send")
 					gui.txDb.Put(tx.Hash(), tx.RlpEncode())
 
 					unconfirmedFunds.Sub(unconfirmedFunds, tx.Value)
-				} else if bytes.Compare(tx.Recipient, gui.addr) == 0 {
+				} else if bytes.Compare(tx.Recipient, gui.address()) == 0 {
 					gui.win.Root().Call("addTx", ethpub.NewPTx(tx), "recv")
 					gui.txDb.Put(tx.Hash(), tx.RlpEncode())
 
@@ -300,10 +313,10 @@ func (gui *Gui) update() {
 
 				gui.setWalletValue(object.Amount, unconfirmedFunds)
 			} else {
-				object := state.GetAccount(gui.addr)
-				if bytes.Compare(tx.Sender(), gui.addr) == 0 {
+				object := state.GetAccount(gui.address())
+				if bytes.Compare(tx.Sender(), gui.address()) == 0 {
 					object.SubAmount(tx.Value)
-				} else if bytes.Compare(tx.Recipient, gui.addr) == 0 {
+				} else if bytes.Compare(tx.Recipient, gui.address()) == 0 {
 					object.AddAmount(tx.Value)
 				}
 
@@ -330,22 +343,25 @@ func (gui *Gui) setPeerInfo() {
 	}
 }
 
+func (gui *Gui) privateKey() string {
+	return ethutil.Bytes2Hex(gui.eth.KeyManager().PrivateKey())
+}
+
+func (gui *Gui) address() []byte {
+	return gui.eth.KeyManager().Address()
+}
+
 func (gui *Gui) RegisterName(name string) {
-	keyPair := ethutil.GetKeyRing().Get(0)
 	name = fmt.Sprintf("\"%s\"\n1", name)
-	gui.pub.Transact(ethutil.Hex(keyPair.PrivateKey), "namereg", "1000", "1000000", "150", name)
+	gui.pub.Transact(gui.privateKey(), "namereg", "1000", "1000000", "150", name)
 }
 
 func (gui *Gui) Transact(recipient, value, gas, gasPrice, data string) (*ethpub.PReceipt, error) {
-	keyPair := ethutil.GetKeyRing().Get(0)
-
-	return gui.pub.Transact(ethutil.Hex(keyPair.PrivateKey), recipient, value, gas, gasPrice, data)
+	return gui.pub.Transact(gui.privateKey(), recipient, value, gas, gasPrice, data)
 }
 
 func (gui *Gui) Create(recipient, value, gas, gasPrice, data string) (*ethpub.PReceipt, error) {
-	keyPair := ethutil.GetKeyRing().Get(0)
-
-	return gui.pub.Transact(ethutil.Hex(keyPair.PrivateKey), recipient, value, gas, gasPrice, data)
+	return gui.pub.Transact(gui.privateKey(), recipient, value, gas, gasPrice, data)
 }
 
 func (gui *Gui) ChangeClientId(id string) {