feat: checksum validation added to adding watch only address

Fixes: #15779

src/app/modules/shared_modules/add_account/controller.nim

@@ -250,4 +250,7 @@ proc getNumOfAddressesToGenerateForKeypair*(self: Controller, keyUid: string): i
   return self.walletAccountService.getNumOfAddressesToGenerateForKeypair(keyUid)
 
 proc resolveSuggestedPathForKeypair*(self: Controller, keyUid: string): string =
-  return self.walletAccountService.resolveSuggestedPathForKeypair(keyUid)
+  return self.walletAccountService.resolveSuggestedPathForKeypair(keyUid)
+
+proc isChecksumValidForAddress*(self: Controller, address: string): bool =
+  return self.walletAccountService.isChecksumValidForAddress(address)

src/app/modules/shared_modules/add_account/io_interface.nim

@@ -107,6 +107,9 @@ method removingSavedAddressConfirmed*(self: AccessInterface, address: string) {.
 method savedAddressDeleted*(self: AccessInterface, address: string, errorMsg: string) {.base.} =
   raise newException(ValueError, "No implementation available")
 
+method isChecksumValidForAddress*(self: AccessInterface, address: string): bool {.base.} =
+  raise newException(ValueError, "No implementation available")
+
 type
   DelegateInterface* = concept c
     c.onAddAccountModuleLoaded()

src/app/modules/shared_modules/add_account/module.nim

@@ -736,4 +736,7 @@ method buildNewSeedPhraseKeypairAndAddItToOrigin*[T](self: Module[T]) =
     derivedFrom = genAcc.address)
   self.setItemForSelectedOrigin(item)
 
+method isChecksumValidForAddress*[T](self: Module[T], address: string): bool =
+  return self.controller.isChecksumValidForAddress(address)
+
 {.pop.}

src/app/modules/shared_modules/add_account/view.nim

@@ -362,4 +362,7 @@ QtObject:
     self.delegate.removingSavedAddressConfirmed(address)
 
   proc removingSavedAddressRejected*(self: View) {.slot.} =
-    self.setDisablePopup(false)
+    self.setDisablePopup(false)
+
+  proc isChecksumValidForAddress*(self: View, address: string): bool {.slot.} =
+    return self.delegate.isChecksumValidForAddress(address)

ui/imports/shared/popups/addaccount/panels/WatchOnlyAddressSection.qml

@@ -20,6 +20,16 @@ Column {
         addressInput.reset()
     }
 
+    QtObject {
+        id: d
+
+        property bool incorrectChecksum: false
+
+        function checkIfAddressChecksumIsValid(address) {
+            d.incorrectChecksum = !root.store.isChecksumValidForAddress(address)
+        }
+    }
+
     StatusInput {
         id: addressInput
         objectName: "AddAccountPopup-WatchOnlyAddress"
@@ -29,14 +39,27 @@ Column {
         label: qsTr("Ethereum address or ENS name")
         placeholderText: qsTr("Type or paste ETH address")
         input.multiline: true
-        input.rightComponent: StatusButton {
-            anchors.verticalCenter: parent.verticalCenter
-            borderColor: Theme.palette.primaryColor1
-            size: StatusBaseButton.Size.Tiny
-            text: qsTr("Paste")
-            onClicked: {
-                addressInput.text = ""
-                addressInput.input.edit.paste()
+        input.rightComponent: Row {
+            spacing: 8
+
+            StatusIconWithTooltip {
+                visible: d.incorrectChecksum
+                icon: "warning"
+                width: 20
+                height: 20
+                color: Theme.palette.warningColor1
+                tooltipText: qsTr("Checksum of the entered address is incorrect")
+            }
+
+            StatusButton {
+                anchors.verticalCenter: parent.verticalCenter
+                borderColor: Theme.palette.primaryColor1
+                size: StatusBaseButton.Size.Tiny
+                text: qsTr("Paste")
+                onClicked: {
+                    addressInput.text = ""
+                    addressInput.input.edit.paste()
+                }
             }
         }
         validators: [
@@ -46,8 +69,11 @@ Column {
         ]
 
         onTextChanged: {
+            d.incorrectChecksum = false
             if (addressInput.valid) {
-                root.store.changeWatchOnlyAccountAddressPostponed(text.trim())
+                const trimmedText = text.trim()
+                root.store.changeWatchOnlyAccountAddressPostponed(trimmedText)
+                d.checkIfAddressChecksumIsValid(trimmedText)
                 return
             }
             root.store.cleanWatchOnlyAccountAddress()

ui/imports/shared/popups/addaccount/stores/AddAccountStore.qml

@@ -155,6 +155,10 @@ BasePopupStore {
         root.addAccountModule.startScanningForActivity()
     }
 
+    function isChecksumValidForAddress(address) {
+        return root.addAccountModule.isChecksumValidForAddress(address)
+    }
+
     validSeedPhrase: function(seedPhrase) {
         return root.addAccountModule.validSeedPhrase(seedPhrase)
     }