fix: disable the confirm button when there is a blocking alert (#27347)

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This PR aims to disable the confirm button when there is a blocking
alert.
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also include relevant motivation and context. Have in mind the following
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Fixes: #27147

1. Go to test dapp
2. Don't have funds
3. Trigger malicious mint erc20 on Sepolia
4. Click on Review alerts
or
1. Go to test dapp
2. Click Sign In With Ethereum Bad Domain
3. Click Confirm
4. See the friction modal

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before and after of your change. -->

[Screencast from 23-09-2024
17:57:22.webm](https://github.com/user-attachments/assets/4c00284c-93d3-4b1b-9553-39eda67b7924)

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- [x] I've followed [MetaMask Contributor
Docs](https://github.com/MetaMask/contributor-docs) and [MetaMask
Extension Coding
Standards](https://github.com/MetaMask/metamask-extension/blob/develop/.github/guidelines/CODING_GUIDELINES.md).
- [x] I've completed the PR template to the best of my ability
- [x] I’ve included tests if applicable
- [x] I’ve documented my code using [JSDoc](https://jsdoc.app/) format
if applicable
- [x] I’ve applied the right labels on the PR (see [labeling
guidelines](https://github.com/MetaMask/metamask-extension/blob/develop/.github/guidelines/LABELING_GUIDELINES.md)).
Not required for external contributors.

- [ ] I've manually tested the PR (e.g. pull and build branch, run the
app, test code being changed).
- [ ] I confirm that this PR addresses all acceptance criteria described
in the ticket it closes and includes the necessary testing evidence such
as recordings and or screenshots.

test/e2e/tests/confirmations/alerts/insufficient-funds.spec.ts

@@ -0,0 +1,85 @@
+import { strict as assert } from 'assert';
+import FixtureBuilder from '../../../fixture-builder';
+import {
+  PRIVATE_KEY,
+  convertETHToHexGwei,
+  withFixtures,
+  WINDOW_TITLES,
+} from '../../../helpers';
+import { SMART_CONTRACTS } from '../../../seeder/smart-contracts';
+import {
+  TestSuiteArguments,
+  openDAppWithContract,
+} from '../transactions/shared';
+import { Driver } from '../../../webdriver/driver';
+
+describe('Alert for insufficient funds @no-mmi', function () {
+  it('Shows an alert when the user tries to send a transaction with insufficient funds', async function () {
+    const nftSmartContract = SMART_CONTRACTS.NFTS;
+    const ganacheOptions = {
+      accounts: [
+        {
+          secretKey: PRIVATE_KEY,
+          balance: convertETHToHexGwei(0.0053), // Low balance only to create the contract and then trigger the alert for insufficient funds
+        },
+      ],
+    };
+    await withFixtures(
+      {
+        dapp: true,
+        fixtures: new FixtureBuilder()
+          .withPermissionControllerConnectedToTestDapp()
+          .withPreferencesController({
+            preferences: {
+              redesignedConfirmationsEnabled: true,
+              isRedesignedConfirmationsDeveloperEnabled: true,
+            },
+          })
+          .build(),
+        ganacheOptions,
+        smartContract: nftSmartContract,
+        title: this.test?.fullTitle(),
+      },
+      async ({ driver, contractRegistry }: TestSuiteArguments) => {
+        await openDAppWithContract(driver, contractRegistry, nftSmartContract);
+
+        await mintNft(driver);
+
+        await verifyAlertForInsufficientBalance(driver);
+
+        await verifyConfirmationIsDisabled(driver);
+      },
+    );
+  });
+});
+
+async function verifyConfirmationIsDisabled(driver: Driver) {
+  const confirmButton = await driver.findElement(
+    '[data-testid="confirm-footer-button"]',
+  );
+  assert.equal(await confirmButton.isEnabled(), false);
+}
+
+async function verifyAlertForInsufficientBalance(driver: Driver) {
+  const alert = await driver.findElement('[data-testid="inline-alert"]');
+  assert.equal(await alert.getText(), 'Alert');
+  await driver.clickElementSafe('.confirm-scroll-to-bottom__button');
+  await driver.clickElement('[data-testid="inline-alert"]');
+
+  const alertDescription = await driver.findElement(
+    '[data-testid="alert-modal__selected-alert"]',
+  );
+  const alertDescriptionText = await alertDescription.getText();
+  assert.equal(
+    alertDescriptionText,
+    'You do not have enough ETH in your account to pay for transaction fees.',
+  );
+}
+
+async function mintNft(driver: Driver) {
+  await driver.switchToWindowWithTitle(WINDOW_TITLES.TestDApp);
+  await driver.clickElement(`#mintButton`);
+
+  await driver.waitUntilXWindowHandles(3);
+  await driver.switchToWindowWithTitle(WINDOW_TITLES.Dialog);
+}

ui/components/app/alert-system/alert-modal/alert-modal.tsx

@@ -166,7 +166,12 @@ function AlertDetails({
     >
       {customDetails ?? (
         <Box>
-          <Text variant={TextVariant.bodyMd}>{selectedAlert.message}</Text>
+          <Text
+            variant={TextVariant.bodyMd}
+            data-testid="alert-modal__selected-alert"
+          >
+            {selectedAlert.message}
+          </Text>
           {selectedAlert.alertDetails?.length ? (
             <Text variant={TextVariant.bodyMdBold} marginTop={1}>
               {t('alertModalDetails')}

ui/pages/confirmations/components/confirm/footer/footer.test.tsx

@@ -12,6 +12,8 @@ import * as MMIConfirmations from '../../../../../hooks/useMMIConfirmations';
 import * as Actions from '../../../../../store/actions';
 import configureStore from '../../../../../store/store';
 import { Severity } from '../../../../../helpers/constants/design-system';
+
+import { Alert } from '../../../../../ducks/confirm-alerts/confirm-alerts';
 import Footer from './footer';
 
 jest.mock('react-redux', () => ({
@@ -184,7 +186,8 @@ describe('ConfirmFooter', () => {
     const OWNER_ID_MOCK = '123';
     const KEY_ALERT_KEY_MOCK = 'Key';
     const ALERT_MESSAGE_MOCK = 'Alert 1';
-    const alertsMock = [
+
+    const alertsMock: Alert[] = [
       {
         key: KEY_ALERT_KEY_MOCK,
         field: KEY_ALERT_KEY_MOCK,
@@ -213,18 +216,42 @@ describe('ConfirmFooter', () => {
     };
     it('renders the review alerts button when there are unconfirmed alerts', () => {
       const { getByText } = render(stateWithAlertsMock);
-      expect(getByText('Confirm')).toBeInTheDocument();
+      expect(getByText('Review alerts')).toBeInTheDocument();
     });
 
-    it('renders the confirm button when there are no unconfirmed alerts', () => {
-      const { getByText } = render();
-      expect(getByText('Confirm')).toBeInTheDocument();
+    it('renders the "review alerts" button disabled when there are blocking alerts', () => {
+      const stateWithMultipleDangerAlerts = {
+        ...stateWithAlertsMock,
+        confirmAlerts: {
+          alerts: {
+            [OWNER_ID_MOCK]: [
+              alertsMock[0],
+              {
+                ...alertsMock[0],
+                key: 'From',
+                isBlocking: true,
+              },
+            ],
+          },
+          confirmed: {
+            [OWNER_ID_MOCK]: { [KEY_ALERT_KEY_MOCK]: false },
+          },
+        },
+      };
+      const { getByText } = render(stateWithMultipleDangerAlerts);
+      expect(getByText('Review alerts')).toBeInTheDocument();
+      expect(getByText('Review alerts')).toBeDisabled();
     });
 
     it('sets the alert modal visible when the review alerts button is clicked', () => {
       const { getByTestId } = render(stateWithAlertsMock);
       fireEvent.click(getByTestId('confirm-footer-button'));
       expect(getByTestId('confirm-alert-modal-submit-button')).toBeDefined();
     });
+
+    it('renders the "confirm" button when there are no alerts', () => {
+      const { getByText } = render();
+      expect(getByText('Confirm')).toBeInTheDocument();
+    });
   });
 });

ui/pages/confirmations/components/confirm/footer/footer.tsx

@@ -27,6 +27,30 @@ import {
 import { confirmSelector } from '../../../selectors';
 import { REDESIGN_TRANSACTION_TYPES } from '../../../utils';
 import { getConfirmationSender } from '../utils';
+import { MetaMetricsEventLocation } from '../../../../../../shared/constants/metametrics';
+import { Severity } from '../../../../../helpers/constants/design-system';
+
+export type OnCancelHandler = ({
+  location,
+}: {
+  location: MetaMetricsEventLocation;
+}) => void;
+
+function getButtonDisabledState(
+  hasUnconfirmedDangerAlerts: boolean,
+  hasBlockingAlerts: boolean,
+  disabled: boolean,
+) {
+  if (hasBlockingAlerts) {
+    return true;
+  }
+
+  if (hasUnconfirmedDangerAlerts) {
+    return false;
+  }
+
+  return disabled;
+}
 
 const ConfirmButton = ({
   alertOwnerId = '',
@@ -47,6 +71,10 @@ const ConfirmButton = ({
   const { dangerAlerts, hasDangerAlerts, hasUnconfirmedDangerAlerts } =
     useAlerts(alertOwnerId);
 
+  const hasDangerBlockingAlerts = dangerAlerts.some(
+    (alert) => alert.severity === Severity.Danger && alert.isBlocking,
+  );
+
   const handleCloseConfirmModal = useCallback(() => {
     setConfirmModalVisible(false);
   }, []);
@@ -70,12 +98,16 @@ const ConfirmButton = ({
           block
           danger
           data-testid="confirm-footer-button"
-          disabled={hasUnconfirmedDangerAlerts ? false : disabled}
+          disabled={getButtonDisabledState(
+            hasUnconfirmedDangerAlerts,
+            hasDangerBlockingAlerts,
+            disabled,
+          )}
           onClick={handleOpenConfirmModal}
           size={ButtonSize.Lg}
           startIconName={IconName.Danger}
         >
-          {dangerAlerts?.length > 1 ? t('reviewAlerts') : t('confirm')}
+          {dangerAlerts?.length > 0 ? t('reviewAlerts') : t('confirm')}
         </Button>
       ) : (
         <Button