feat: add validation to private key and watchonly modal

ui/app/AppLayouts/Wallet/components/AddAccountWithPrivateKey.qml

@@ -9,6 +9,35 @@ ModalPopup {
 
     property int marginBetweenInputs: 38
     property string selectedColor: Constants.accountColors[0]
+    property string passwordValidationError: ""
+    property string privateKeyValidationError: ""
+    property string accountNameValidationError: ""
+
+    function validate() {
+        if (passwordInput.text === "") {
+            passwordValidationError = qsTr("You need to enter a password")
+        } else if (passwordInput.text.length < 4) {
+            passwordValidationError = qsTr("Password needs to be 4 characters or more")
+        } else {
+            passwordValidationError = ""
+        }
+
+        if (accountNameInput.text === "") {
+            accountNameValidationError = qsTr("You need to enter an account name")
+        } else {
+            accountNameValidationError = ""
+        }
+
+        if (accountPKeyInput.text === "") {
+            privateKeyValidationError = qsTr("You need to enter a private key")
+        } else if (!Utils.isPrivateKey(accountPKeyInput.text)) {
+            privateKeyValidationError = qsTr("Enter a valid private key (64 characters hexadecimal string)")
+        } else {
+            privateKeyValidationError = ""
+        }
+
+        return passwordValidationError === "" && privateKeyValidationError === "" && accountNameValidationError === ""
+    }
 
     onOpened: {
         passwordInput.text = ""
@@ -20,6 +49,7 @@ ModalPopup {
         placeholderText: qsTr("Enter your password…")
         label: qsTr("Password")
         textField.echoMode: TextInput.Password
+        validationError: popup.passwordValidationError
     }
 
 
@@ -30,6 +60,7 @@ ModalPopup {
         placeholderText: qsTr("Paste the contents of your private key")
         label: qsTr("Private key")
         customHeight: 88
+        validationError: popup.privateKeyValidationError
     }
 
     Input {
@@ -38,6 +69,7 @@ ModalPopup {
         anchors.topMargin: marginBetweenInputs
         placeholderText: qsTr("Enter an account name...")
         label: qsTr("Account name")
+        validationError: popup.accountNameValidationError
     }
 
     Select {
@@ -60,16 +92,16 @@ ModalPopup {
 
     footer: StyledButton {
         anchors.top: parent.top
-        anchors.topMargin: Theme.padding
         anchors.right: parent.right
         anchors.rightMargin: Theme.padding
         label: qsTr("Add account >")
 
-        disabled: passwordInput.text === "" || accountNameInput.text === "" || accountPKeyInput.textAreaText === ""
+        disabled: passwordInput.text === "" || accountNameInput.text === "" || accountPKeyInput.text === ""
 
         onClicked : {
-            // TODO add message to show validation errors
+            if (!validate()) {
-            if (passwordInput.text === "" || accountNameInput.text === "" || accountPKeyInput.textAreaText === "") return;
+                return
+            }
 
             walletModel.addAccountsFromPrivateKey(accountPKeyInput.text, passwordInput.text, accountNameInput.text, selectedColor)
             // TODO manage errors adding account

ui/app/AppLayouts/Wallet/components/AddWatchOnlyAccount.qml

@@ -8,6 +8,26 @@ ModalPopup {
 
     property int marginBetweenInputs: 38
     property string selectedColor: Constants.accountColors[0]
+    property string addressError: ""
+    property string accountNameValidationError: ""
+
+    function validate() {
+        if (addressInput.text === "") {
+            addressError = qsTr("You need to enter an address")
+        } else if (!Utils.isAddress(addressInput.text)) {
+            addressError = qsTr("This needs to be a valid address (starting with 0x)")
+        } else {
+            addressError = ""
+        }
+
+        if (accountNameInput.text === "") {
+            accountNameValidationError = qsTr("You need to enter an account name")
+        } else {
+            accountNameValidationError = ""
+        }
+
+        return addressError === "" && accountNameValidationError === ""
+    }
 
     onOpened: {
         addressInput.text = "";
@@ -19,6 +39,7 @@ ModalPopup {
         // TODO add QR code reader for the address
         placeholderText: qsTr("Enter address...")
         label: qsTr("Account address")
+        validationError: popup.addressError
     }
 
     Input {
@@ -27,6 +48,7 @@ ModalPopup {
         anchors.topMargin: marginBetweenInputs
         placeholderText: qsTr("Enter an account name...")
         label: qsTr("Account name")
+        validationError: popup.accountNameValidationError
     }
 
     Select {
@@ -49,7 +71,6 @@ ModalPopup {
 
     footer: StyledButton {
         anchors.top: parent.top
-        anchors.topMargin: Theme.padding
         anchors.right: parent.right
         anchors.rightMargin: Theme.padding
         label: "Add account >"
@@ -57,8 +78,10 @@ ModalPopup {
         disabled: addressInput.text === "" || accountNameInput.text === ""
 
         onClicked : {
-            // TODO add message to show validation errors
+            if (!validate()) {
-            if (addressInput.text === "" || accountNameInput.text === "") return;
+                return
+            }
+
             walletModel.addWatchOnlyAccount(addressInput.text, accountNameInput.text, selectedColor);
             // TODO manage errors adding account
             popup.close();

ui/imports/Utils.qml

@@ -4,7 +4,7 @@ import QtQuick 2.13
 
 QtObject {
     function isHex(value) {
-        return /^[0-9a-f]*$/i.test(value)
+        return /^(-0x|0x)?[0-9a-f]*$/i.test(value)
     }
 
     function startsWith0x(value) {
@@ -14,4 +14,13 @@ QtObject {
     function isChatKey(value) {
         return startsWith0x(value) && isHex(value) && value.length === 132
     }
+
+    function isAddress(value) {
+        return startsWith0x(value) && isHex(value) && value.length === 42
+    }
+
+    function isPrivateKey(value) {
+        return isHex(value) && ((startsWith0x(value) && value.length === 66) ||
+                                (!startsWith0x(value) && value.length === 64))
+    }
 }

ui/shared/StyledTextArea.qml

@@ -8,6 +8,7 @@ Item {
     property alias textField: textArea
     property string placeholderText: "My placeholder"
     property alias text: textArea.text
+    property string validationError: ""
     //    property string label: "My Label"
     property string label: ""
     readonly property bool hasLabel: label !== ""
@@ -19,7 +20,7 @@ Item {
     property int customHeight: 44
 
     id: inputBox
-    height: inputRectangle.height + (hasLabel ? inputLabel.height + labelMargin : 0)
+    height: inputRectangle.height + (hasLabel ? inputLabel.height + labelMargin : 0) + (!!validationError ? validationErrorText.height : 0)
     anchors.right: parent.right
     anchors.left: parent.left
 
@@ -44,6 +45,8 @@ Item {
         anchors.topMargin: inputBox.hasLabel ? inputBox.labelMargin : 0
         anchors.right: parent.right
         anchors.left: parent.left
+        border.width: !!validationError ? 1 : 0
+        border.color: Theme.red
 
         TextArea {
             id: textArea
@@ -58,7 +61,6 @@ Item {
             anchors.fill: parent
             font.family: Theme.fontRegular.name
         }
-    }
 
         MouseArea {
             id: mouseArea
@@ -69,6 +71,20 @@ Item {
         }
     }
 
+    TextEdit {
+        visible: !!validationError
+        id: validationErrorText
+        text: validationError
+        anchors.top: inputRectangle.bottom
+        anchors.topMargin: 1
+        selectByMouse: true
+        readOnly: true
+        font.pixelSize: 12
+        color: Theme.red
+
+    }
+}
+
 /*##^##
 Designer {
     D{i:0;formeditorColor:"#ffffff";formeditorZoom:1.25}