Fixed miner channel

ethereal/assets/qml/wallet.qml

@@ -419,6 +419,17 @@ ApplicationWindow {
 			}
 		}
 
+        Label {
+            y: 6
+            id: lastBlockLabel
+            objectName: "lastBlockLabel"
+            visible: true
+            text: ""
+			font.pixelSize: 10
+            anchors.right: peerGroup.left
+            anchors.rightMargin: 5
+        }
+
         ProgressBar {
             id: syncProgressIndicator
             visible: false
@@ -426,35 +437,36 @@ ApplicationWindow {
             y: 3
             width: 140
             indeterminate: true
-            anchors.right: peerLabel.left
+            anchors.right: peerGroup.left
             anchors.rightMargin: 5
         }
 
-		Label {
+        RowLayout {
+            id: peerGroup
             y: 7
-			anchors.right: peerImage.left
-			anchors.rightMargin: 5
+            anchors.right: parent.right
+            MouseArea {
+                onDoubleClicked:  peerWindow.visible = true
+                anchors.fill: parent
+            }
+
+            Label {
                 id: peerLabel
                 font.pixelSize: 8
                 text: "0 / 0"
             }
             Image {
-			y: 7
                 id: peerImage
-			anchors.right: parent.right
                 width: 10; height: 10
-			MouseArea {
-				onDoubleClicked:  peerWindow.visible = true
-				anchors.fill: parent
-			}
                 source: "../network.png"
             }
         }
+	}
 
 	Window {
 		id: popup
 		visible: false
-        flags: Qt.CustomizeWindowHint | Qt.Tool | Qt.WindowCloseButtonHint
+        //flags: Qt.CustomizeWindowHint | Qt.Tool | Qt.WindowCloseButtonHint
 		property var block
 		width: root.width
 		height: 300
@@ -589,7 +601,7 @@ ApplicationWindow {
 
 	Window {
 		id: addPeerWin
-        flags: Qt.CustomizeWindowHint | Qt.Tool | Qt.WindowCloseButtonHint
+        //flags: Qt.CustomizeWindowHint | Qt.Tool | Qt.WindowCloseButtonHint
 		visible: false
 		minimumWidth: 230
 		maximumWidth: 230
@@ -756,7 +768,7 @@ ApplicationWindow {
 	// ******************************************
 	Window {
 		id: peerWindow
-        flags: Qt.CustomizeWindowHint | Qt.Tool | Qt.WindowCloseButtonHint
+        //flags: Qt.CustomizeWindowHint | Qt.Tool | Qt.WindowCloseButtonHint
 		height: 200
 		width: 700
 		Rectangle {

ethereal/debugger.go

@@ -17,6 +17,8 @@ type DebuggerWindow struct {
 
 	vm *ethchain.Vm
 	Db *Debugger
+
+	state *ethchain.State
 }
 
 func NewDebuggerWindow(lib *UiLib) *DebuggerWindow {
@@ -53,6 +55,7 @@ func (self *DebuggerWindow) SetCode(code string) {
 func (self *DebuggerWindow) SetData(data string) {
 	self.win.Set("dataText", data)
 }
+
 func (self *DebuggerWindow) SetAsm(data []byte) {
 	self.win.Root().Call("clearAsm")
 

ethereal/gui.go

@@ -270,6 +270,10 @@ func (gui *Gui) setWalletValue(amount, unconfirmedFunds *big.Int) {
 	gui.win.Root().Call("setWalletValue", str)
 }
 
+func (self *Gui) getObjectByName(objectName string) qml.Object {
+	return self.win.Root().ObjectByName(objectName)
+}
+
 // Simple go routine function that updates the list of peers in the GUI
 func (gui *Gui) update() {
 	reactor := gui.eth.Reactor()
@@ -280,12 +284,15 @@ func (gui *Gui) update() {
 		objectChan    = make(chan ethutil.React, 1)
 		peerChan      = make(chan ethutil.React, 1)
 		chainSyncChan = make(chan ethutil.React, 1)
+		miningChan    = make(chan ethutil.React, 1)
 	)
 
 	reactor.Subscribe("newBlock", blockChan)
 	reactor.Subscribe("newTx:pre", txChan)
 	reactor.Subscribe("newTx:post", txChan)
 	reactor.Subscribe("chainSync", chainSyncChan)
+	reactor.Subscribe("miner:start", miningChan)
+	reactor.Subscribe("miner:stop", miningChan)
 
 	nameReg := ethpub.EthereumConfig(gui.eth.StateManager()).NameReg()
 	if nameReg != nil {
@@ -293,13 +300,16 @@ func (gui *Gui) update() {
 	}
 	reactor.Subscribe("peerList", peerChan)
 
-	ticker := time.NewTicker(5 * time.Second)
+	peerUpdateTicker := time.NewTicker(5 * time.Second)
+	generalUpdateTicker := time.NewTicker(1 * time.Second)
 
 	state := gui.eth.StateManager().TransState()
 
 	unconfirmedFunds := new(big.Int)
 	gui.win.Root().Call("setWalletValue", fmt.Sprintf("%v", ethutil.CurrencyToString(state.GetAccount(gui.address()).Amount)))
-	gui.win.Root().ObjectByName("syncProgressIndicator").Set("visible", !gui.eth.IsUpToDate())
+	gui.getObjectByName("syncProgressIndicator").Set("visible", !gui.eth.IsUpToDate())
+
+	lastBlockLabel := gui.getObjectByName("lastBlockLabel")
 
 	for {
 		select {
@@ -349,12 +359,21 @@ func (gui *Gui) update() {
 			gui.loadAddressBook()
 		case <-peerChan:
 			gui.setPeerInfo()
-		case <-ticker.C:
+		case <-peerUpdateTicker.C:
+			gui.setPeerInfo()
+		case msg := <-miningChan:
+			if msg.Event == "miner:start" {
+				gui.miner = msg.Resource.(*ethminer.Miner)
+			} else {
+				gui.miner = nil
+			}
+
+		case <-generalUpdateTicker.C:
 			if gui.miner != nil {
 				pow := gui.miner.GetPow()
 				fmt.Println("HashRate from miner", pow.GetHashrate())
 			}
-			gui.setPeerInfo()
+			lastBlockLabel.Set("text", "#"+gui.eth.BlockChain().CurrentBlock.Number.String())
 		}
 	}
 }

utils/cmd.go

@@ -234,10 +234,10 @@ func StartRpc(ethereum *eth.Ethereum, RpcPort int) {
 	}
 }
 
-var miner ethminer.Miner
+var miner *ethminer.Miner
 
 func GetMiner() *ethminer.Miner {
-	return &miner
+	return miner
 }
 
 func StartMining(ethereum *eth.Ethereum) bool {
@@ -267,7 +267,7 @@ func StartMining(ethereum *eth.Ethereum) bool {
 }
 
 func StopMining(ethereum *eth.Ethereum) bool {
-	if ethereum.Mining {
+	if ethereum.Mining && miner != nil {
 		miner.Stop()
 		logger.Infoln("Miner stopped")
 		ethereum.Mining = false