Implemented key importing/generation for the GUI

ethereal/assets/qml/first_run.qml

@@ -0,0 +1,155 @@
+import QtQuick 2.0
+import Ethereum 1.0
+
+// Which ones do we actually need?
+import QtQuick.Controls 1.0;
+import QtQuick.Layouts 1.0;
+import QtQuick.Dialogs 1.0;
+import QtQuick.Window 2.1;
+import QtQuick.Controls.Styles 1.1
+import QtQuick.Dialogs 1.1
+
+ApplicationWindow {
+  id: wizardRoot
+  width: 500
+  height: 400
+  title: "Ethereal first run setup"
+
+  Column {
+    spacing: 5
+    anchors.leftMargin: 10
+    anchors.left: parent.left
+
+    Text {
+      visible: true
+      text: "<h2>Ethereal setup</h2>"
+    }
+
+    Column {
+      id: restoreColumn
+      spacing: 5
+      Text {
+        visible: true
+        font.pointSize: 14
+        text: "Restore your Ethereum account"
+        id: restoreLabel
+      }
+
+      TextField {
+        id: txPrivKey
+        width: 480
+        placeholderText: "Private key or mnemonic words"
+        focus: true
+        onTextChanged: {
+          if(this.text.length == 64){
+            detailLabel.text = "Private (hex) key detected."
+            actionButton.enabled = true
+          }
+          else if(this.text.split(" ").length == 24){
+            detailLabel.text = "Mnemonic key detected."
+            actionButton.enabled = true
+          }else{
+            detailLabel.text = ""
+            actionButton.enabled = false
+          }
+        }
+      }
+      Row {
+        spacing: 10
+        Button {
+          id: actionButton
+          text: "Restore"
+          enabled: false
+          onClicked: {
+           var success = eth.importAndSetPrivKey(txPrivKey.text)
+           if(success){
+             importedDetails.visible = true
+             restoreColumn.visible = false
+             newKey.visible = false
+             wizardRoot.height = 120
+           }
+          }
+        }
+        Text {
+          id: detailLabel
+          font.pointSize: 12
+          anchors.topMargin: 10
+        }
+      }
+    }
+    Column {
+      id: importedDetails
+      visible: false
+      Text {
+        text: "<b>Your account has been imported. Please close the application and restart it again to let the changes take effect.</b>"
+        wrapMode: Text.WordWrap
+        width: 460
+      }
+    }
+    Column {
+      spacing: 5
+      id: newDetailsColumn
+      visible: false
+      Text {
+        font.pointSize: 14
+        text: "Your account details"
+      }
+      Label {
+        text: "Address"
+      }
+      TextField {
+        id: addressInput
+        readOnly:true
+        width: 480
+      }
+      Label {
+        text: "Private key"
+      }
+      TextField {
+        id: privkeyInput
+        readOnly:true
+        width: 480
+      }
+      Label {
+        text: "Mnemonic words"
+      }
+      TextField {
+        id: mnemonicInput
+        readOnly:true
+        width: 480
+      }
+      Label {
+        text: "<b>A new account has been created. Please take the time to write down the <i>24 words</i>. You can use those to restore your account at a later date.</b>"
+        wrapMode: Text.WordWrap
+        width: 480
+      }
+      Label {
+        text: "Please restart the application once you have completed the steps above."
+        wrapMode: Text.WordWrap
+        width: 480
+      }
+    }
+
+  }
+  Button {
+    anchors.right: parent.right
+    anchors.bottom: parent.bottom
+    anchors.rightMargin: 10
+    anchors.bottomMargin: 10
+    id: newKey
+    text: "I don't have an account yet"
+    onClicked: {
+      var res = eth.createAndSetPrivKey()
+      mnemonicInput.text = res[0]
+      addressInput.text = res[1]
+      privkeyInput.text = res[2]
+
+      // Hide restore
+      restoreColumn.visible = false
+
+      // Show new details
+      newDetailsColumn.visible = true
+      newKey.visible = false
+    }
+  }
+}

ethereal/assets/qml/wallet.qml

@@ -25,6 +25,35 @@ ApplicationWindow {
 			}
 		}
 
+		Menu {
+			title: "Test"
+			MenuItem {
+				text: "Test test"
+				shortcut: "Ctrl+t"
+        onTriggered: {
+          var win
+          function finishedLoading(){
+            console.log("Trigged")
+            win = wizard.createObject(root)
+          }
+          console.log("Loading wizard")
+
+          var wizard = Qt.createComponent("first_run.qml")
+          if(wizard.status== Component.Ready){
+            console.log("Component is ready")
+            finishedLoading()
+          }else if( wizard.status == Component.Error){
+            console.log("Error loading component:", wizard.errorString())
+          }
+          else{
+            wizard.statusChanged.connect(finishedLoading)
+            console.log("Component is NOT ready")
+            win = wizard.createObject(root)
+          }
+        }
+			}
+		}
+
 		Menu {
 			title: "Network"
 			MenuItem {

ethereal/ethereum.go

@@ -84,8 +84,6 @@ func main() {
 				utils.ImportPrivateKey(ImportKey)
 				os.Exit(0)
 			}
-		} else {
-			utils.CreateKeyPair(false)
 		}
 	}
 

ethereal/ui/gui.go

@@ -53,7 +53,6 @@ type Gui struct {
 	txDb *ethdb.LDBDatabase
 
 	addr []byte
-
 }
 
 // Create GUI, but doesn't start it
@@ -64,10 +63,16 @@ func New(ethereum *eth.Ethereum) *Gui {
 		panic(err)
 	}
 
-	key := ethutil.Config.Db.GetKeys()[0]
-	addr := key.Address()
+	data, _ := ethutil.Config.Db.Get([]byte("KeyRing"))
+	// 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 len(data) > 0 {
+		key := ethutil.Config.Db.GetKeys()[0]
+		addr = key.Address()
 
-	ethereum.StateManager().WatchAddr(addr)
+		ethereum.StateManager().WatchAddr(addr)
+	}
 
 	return &Gui{eth: ethereum, lib: lib, txDb: db, addr: addr}
 }
@@ -94,9 +99,18 @@ func (ui *Gui) Start(assetPath string) {
 	context.SetVar("ui", uiLib)
 
 	// Load the main QML interface
-	component, err := ui.engine.LoadFile(uiLib.AssetPath("qml/wallet.qml"))
+	data, _ := ethutil.Config.Db.Get([]byte("KeyRing"))
+	var err error
+	var component qml.Object
+	firstRun := len(data) == 0
+
+	if firstRun {
+		component, err = ui.engine.LoadFile(uiLib.AssetPath("qml/first_run.qml"))
+	} else {
+		component, err = ui.engine.LoadFile(uiLib.AssetPath("qml/wallet.qml"))
+	}
 	if err != nil {
-   	ethutil.Config.Log.Infoln("FATAL: asset not found: you can set an alternative asset path on on the command line using option 'asset_path'")
+		ethutil.Config.Log.Infoln("FATAL: asset not found: you can set an alternative asset path on on the command line using option 'asset_path'")
 		panic(err)
 	}
 	ui.engine.LoadFile(uiLib.AssetPath("qml/transactions.qml"))
@@ -111,9 +125,11 @@ func (ui *Gui) Start(assetPath string) {
 	ethutil.Config.Log.AddLogSystem(ui)
 
 	// Loads previous blocks
-	go ui.setInitialBlockChain()
-	go ui.readPreviousTransactions()
-	go ui.update()
+	if firstRun == false {
+		go ui.setInitialBlockChain()
+		go ui.readPreviousTransactions()
+		go ui.update()
+	}
 
 	ui.win.Show()
 	ui.win.Wait()

ethereal/ui/library.go

@@ -5,7 +5,9 @@ import (
 	"fmt"
 	"github.com/ethereum/eth-go/ethchain"
 	"github.com/ethereum/eth-go/ethutil"
+	"github.com/ethereum/go-ethereum/utils"
 	"github.com/obscuren/mutan"
+	"github.com/obscuren/secp256k1-go"
 	"strings"
 )
 
@@ -15,6 +17,32 @@ type EthLib struct {
 	txPool       *ethchain.TxPool
 }
 
+func (lib *EthLib) ImportAndSetPrivKey(privKey string) bool {
+	fmt.Println(privKey)
+	mnemonic := strings.Split(privKey, " ")
+	if len(mnemonic) == 24 {
+		fmt.Println("Got mnemonic key, importing.")
+		key := ethutil.MnemonicDecode(mnemonic)
+		utils.ImportPrivateKey(key)
+	} else if len(mnemonic) == 1 {
+		fmt.Println("Got hex key, importing.")
+		utils.ImportPrivateKey(privKey)
+	} else {
+		fmt.Println("Did not recognise format, exiting.")
+		return false
+	}
+	return true
+}
+
+func (lib *EthLib) CreateAndSetPrivKey() (string, string, string, string) {
+	pub, prv := secp256k1.GenerateKeyPair()
+	pair := &ethutil.Key{PrivateKey: prv, PublicKey: pub}
+	ethutil.Config.Db.Put([]byte("KeyRing"), pair.RlpEncode())
+	mne := ethutil.MnemonicEncode(ethutil.Hex(prv))
+	mnemonicString := strings.Join(mne, " ")
+	return mnemonicString, fmt.Sprintf("%x", pair.Address()), fmt.Sprintf("%x", prv), fmt.Sprintf("%x", pub)
+}
+
 func (lib *EthLib) CreateTx(recipient, valueStr, gasStr, gasPriceStr, data string) (string, error) {
 	var hash []byte
 	var contractCreation bool