qml: detect channel backups in send dialog

electrum/gui/qml/components/SendDialog.qml

@@ -13,6 +13,7 @@ ElDialog {
     property InvoiceParser invoiceParser
 
     signal txFound(data: string)
+    signal channelBackupFound(data: string)
 
     parent: Overlay.overlay
     modal: true
@@ -32,6 +33,8 @@ ElDialog {
     function dispatch(data) {
         if (bitcoin.isRawTx(data)) {
             txFound(data)
+        } else if (Daemon.currentWallet.isValidChannelBackup(data)) {
+            channelBackupFound(data)
         } else {
             invoiceParser.recipient = data
         }

electrum/gui/qml/components/WalletMainView.qml

@@ -308,6 +308,20 @@ Item {
                 app.stack.push(Qt.resolvedUrl('TxDetails.qml'), { rawtx: data })
                 close()
             }
+            onChannelBackupFound: {
+                var dialog = app.messageDialog.createObject(app, {
+                    text: qsTr('Import Channel backup?'),
+                    yesno: true
+                })
+                dialog.yesClicked.connect(function() {
+                    Daemon.currentWallet.importChannelBackup(data)
+                    close()
+                })
+                dialog.rejected.connect(function() {
+                    close()
+                })
+                dialog.open()
+            }
             onClosed: destroy()
         }
     }