chore(ramps): remove UB2 feature flag and legacy buy stack

.eslintrc.js

@@ -82,7 +82,7 @@ const utilNumberImportBurndownFiles = [
   'app/components/UI/Ramp/Aggregator/hooks/useHandleSuccessfulOrder.ts',
   'app/components/UI/Ramp/Aggregator/hooks/useIntentAmount.ts',
   'app/components/UI/Ramp/Aggregator/utils/index.ts',
-  'app/components/UI/Ramp/Deposit/utils/index.ts',
+  'app/components/UI/Ramp/utils/depositUtils.ts',
   'app/components/UI/Ramp/utils/getOrderAmount.ts',
   'app/components/UI/Ramp/utils/v2OrderToast.ts',
   'app/components/UI/Stake/components/StakingBalance/StakingBanners/ClaimBanner/ClaimBanner.tsx',

app/components/Nav/Main/MainNavigator.js

@@ -77,13 +77,12 @@ import RampActivationKeyForm from '../../UI/Ramp/Aggregator/Views/Settings/Activ
 import RampHeadlessPlayground from '../../UI/Ramp/Views/HeadlessPlayground';
 import TokenListRoutes from '../../UI/Ramp/routes';
 
-import DepositRoutes from '../../UI/Ramp/Deposit/routes';
 import V2BankDetails from '../../UI/Ramp/Views/NativeFlow/BankDetails';
 
 import { colors as importedColors } from '../../../styles/common';
 import OrderDetails from '../../UI/Ramp/Aggregator/Views/OrderDetails';
 import RampsOrderDetails from '../../UI/Ramp/Views/OrderDetails';
-import DepositOrderDetails from '../../UI/Ramp/Deposit/Views/DepositOrderDetails/DepositOrderDetails';
+import DepositOrderDetails from '../../UI/Ramp/Views/OrderDetails/DepositOrderDetails/DepositOrderDetails';
 import ProcessingInfoModal from '../../UI/Ramp/Views/Modals/ProcessingInfoModal/ProcessingInfoModal';
 import SendTransaction from '../../UI/Ramp/Aggregator/Views/SendTransaction';
 import TabBar from '../../../component-library/components/Navigation/TabBar';
@@ -1179,7 +1178,6 @@ const MainNavigator = () => {
       >
         {() => <RampRoutes rampType={RampType.SELL} />}
       </NativeStack.Screen>
-      <NativeStack.Screen name={Routes.DEPOSIT.ID} component={DepositRoutes} />
       <NativeStack.Screen
         name={Routes.BRIDGE.ROOT}
         component={BridgeScreenStack}

app/components/Nav/Main/MainNavigator.test.tsx

@@ -538,19 +538,6 @@ describe('MainNavigator', () => {
       expect(rampSellScreen).toBeDefined();
     });
 
-    it('includes Deposit route', () => {
-      const container = renderWithProvider(<MainNavigator />, {
-        state: initialRootState,
-      });
-
-      const screenProps = getScreenProps(container);
-      const depositScreen = screenProps?.find(
-        (screen) => screen?.name === Routes.DEPOSIT.ID,
-      );
-
-      expect(depositScreen).toBeDefined();
-    });
-
     it('includes Settings view route', () => {
       const container = renderWithProvider(<MainNavigator />, {
         state: initialRootState,

app/components/Nav/Main/index.test.tsx

@@ -8,21 +8,12 @@ import initialRootState from '../../../util/test/initial-root-state';
 const mockReact = React;
 const mockView = View;
 
-// Mock Ramp SDK dependencies to prevent SdkEnvironment.Production errors
+// Mock Ramp shell to avoid deep dependency graph in Main mount test
 jest.mock('../../../components/UI/Ramp', () => ({
   __esModule: true,
   default: () => mockReact.createElement('RampOrdersMock'),
 }));
 
-jest.mock('../../../components/UI/Ramp/Deposit/sdk', () => ({
-  DepositSDKProvider: ({ children }: { children: React.ReactNode }) => children,
-  DepositSDKContext: {
-    Provider: ({ children }: { children: React.ReactNode }) => children,
-  },
-}));
-
-jest.mock('../../../components/UI/Ramp/Deposit/orderProcessor', () => ({}));
-
 jest.mock('react-native-device-info', () => ({
   getVersion: jest.fn(() => '0.0.0'),
   getBuildNumber: jest.fn(() => '0'),
@@ -109,22 +100,6 @@ jest.mock('../../../util/transaction-controller', () => ({
   stopIncomingTransactionPolling: jest.fn(),
 }));
 
-jest.mock('@consensys/native-ramps-sdk', () => ({
-  SdkEnvironment: {
-    Production: 'production',
-    Staging: 'staging',
-  },
-  Context: {
-    MobileIOS: 'mobile-ios',
-    MobileAndroid: 'mobile-android',
-  },
-  DepositPaymentMethodDuration: {
-    instant: 'instant',
-    oneToTwoDays: '1_to_2_days',
-  },
-  NativeRampsSdk: jest.fn(),
-}));
-
 describe('Main', () => {
   beforeEach(() => {
     jest.clearAllMocks();

app/components/UI/BalanceEmptyState/BalanceEmptyState.test.tsx

@@ -25,12 +25,6 @@ jest.mock('../Ramp/hooks/useRampsButtonClickData', () => ({
   useRampsButtonClickData: jest.fn(() => mockButtonClickData),
 }));
 
-const mockUseRampsUnifiedV2Enabled = jest.fn();
-jest.mock('../Ramp/hooks/useRampsUnifiedV2Enabled', () => ({
-  __esModule: true,
-  default: () => mockUseRampsUnifiedV2Enabled(),
-}));
-
 const mockTrackEvent = jest.fn();
 const mockCreateEventBuilder = jest.fn();
 const mockEventBuilder = {
@@ -54,7 +48,6 @@ describe('BalanceEmptyState', () => {
         createEventBuilder: mockCreateEventBuilder,
       }),
     );
-    mockUseRampsUnifiedV2Enabled.mockReturnValue(false);
   });
 
   const renderComponent = (props: Partial<BalanceEmptyStateProps> = {}) =>
@@ -92,32 +85,7 @@ describe('BalanceEmptyState', () => {
     expect(mockGoToBuy).toHaveBeenCalled();
   });
 
-  it('tracks RAMPS_BUTTON_CLICKED event with ramp_type BUY when unified V2 is disabled', () => {
-    mockUseRampsUnifiedV2Enabled.mockReturnValue(false);
-    const { getByTestId } = renderComponent();
-    const actionButton = getByTestId('balance-empty-state-action-button');
-
-    fireEvent.press(actionButton);
-
-    expect(mockCreateEventBuilder).toHaveBeenCalledWith(
-      MetaMetricsEvents.RAMPS_BUTTON_CLICKED,
-    );
-    expect(mockEventBuilder.addProperties).toHaveBeenCalledWith(
-      expect.objectContaining({
-        button_text: 'Add funds',
-        location: 'BalanceEmptyState',
-        chain_id_destination: 1,
-        ramp_type: 'BUY',
-        is_authenticated: false,
-        preferred_provider: undefined,
-        order_count: 0,
-      }),
-    );
-    expect(mockTrackEvent).toHaveBeenCalled();
-  });
-
-  it('tracks RAMPS_BUTTON_CLICKED event with ramp_type UNIFIED_BUY_2 when unified V2 is enabled', () => {
-    mockUseRampsUnifiedV2Enabled.mockReturnValue(true);
+  it('tracks RAMPS_BUTTON_CLICKED event with ramp_type UNIFIED_BUY_2', () => {
     const { getByTestId } = renderComponent();
     const actionButton = getByTestId('balance-empty-state-action-button');
 

app/components/UI/BalanceEmptyState/BalanceEmptyState.tsx

@@ -26,7 +26,6 @@ import { BalanceEmptyStateProps } from './BalanceEmptyState.types';
 import bankTransferImage from '../../../images/bank-transfer.png';
 import { getDetectedGeolocation } from '../../../reducers/fiatOrders';
 import { useRampsButtonClickData } from '../Ramp/hooks/useRampsButtonClickData';
-import useRampsUnifiedV2Enabled from '../Ramp/hooks/useRampsUnifiedV2Enabled';
 
 /**
  * BalanceEmptyState smart component displays an empty state for wallet balance
@@ -42,7 +41,6 @@ const BalanceEmptyState: React.FC<BalanceEmptyStateProps> = ({
   const rampGeodetectedRegion = useSelector(getDetectedGeolocation);
   const { goToBuy } = useRampNavigation();
   const buttonClickData = useRampsButtonClickData();
-  const isV2UnifiedEnabled = useRampsUnifiedV2Enabled();
 
   const handleAction = () => {
     goToBuy();
@@ -53,7 +51,7 @@ const BalanceEmptyState: React.FC<BalanceEmptyStateProps> = ({
           button_text: 'Add funds',
           location: 'BalanceEmptyState',
           chain_id_destination: getDecimalChainId(chainId),
-          ramp_type: isV2UnifiedEnabled ? 'UNIFIED_BUY_2' : 'BUY',
+          ramp_type: 'UNIFIED_BUY_2',
           region: rampGeodetectedRegion,
           is_authenticated: buttonClickData.is_authenticated,
           preferred_provider: buttonClickData.preferred_provider,

app/components/UI/Card/components/AddFundsBottomSheet/AddFundsBottomSheet.test.tsx

@@ -2,7 +2,7 @@ import React from 'react';
 import { fireEvent } from '@testing-library/react-native';
 import AddFundsBottomSheet from './AddFundsBottomSheet';
 import { useOpenSwaps } from '../../hooks/useOpenSwaps';
-import useDepositEnabled from '../../../Ramp/Deposit/hooks/useDepositEnabled';
+import useDepositEnabled from '../../../Ramp/hooks/useDepositEnabled';
 import { isBridgeAllowed } from '../../../Bridge/utils';
 import { MetaMetricsEvents } from '../../../../../core/Analytics';
 import { useAnalytics } from '../../../../hooks/useAnalytics/useAnalytics';
@@ -12,7 +12,6 @@ import { CardFundingToken, FundingStatus } from '../../types';
 import { renderScreen } from '../../../../../util/test/renderWithProvider';
 import { backgroundState } from '../../../../../util/test/initial-root-state';
 import { useRampNavigation } from '../../../Ramp/hooks/useRampNavigation';
-import useRampsUnifiedV2Enabled from '../../../Ramp/hooks/useRampsUnifiedV2Enabled';
 import { CardHomeSelectors } from '../../Views/CardHome/CardHome.testIds';
 import { RampsButtonClickData } from '../../../Ramp/hooks/useRampsButtonClickData';
 
@@ -21,15 +20,14 @@ const mockUseParams = jest.fn();
 const mockGoBack = jest.fn();
 const mockNavigate = jest.fn();
 const mockGoToBuy = jest.fn();
-const mockGoToDeposit = jest.fn();
 
 // Mock dependencies
 jest.mock('../../../Ramp/hooks/useRampNavigation');
 jest.mock('../../hooks/useOpenSwaps', () => ({
   useOpenSwaps: jest.fn(),
 }));
 
-jest.mock('../../../Ramp/Deposit/hooks/useDepositEnabled', () => ({
+jest.mock('../../../Ramp/hooks/useDepositEnabled', () => ({
   __esModule: true,
   default: jest.fn(),
 }));
@@ -85,8 +83,6 @@ jest.mock('../../../Ramp/hooks/useRampsButtonClickData', () => ({
   useRampsButtonClickData: jest.fn(() => mockButtonClickData),
 }));
 
-jest.mock('../../../Ramp/hooks/useRampsUnifiedV2Enabled');
-
 jest.mock('@react-navigation/native', () => ({
   ...jest.requireActual('@react-navigation/native'),
   useNavigation: () => ({
@@ -150,13 +146,8 @@ describe('AddFundsBottomSheet', () => {
 
     (useRampNavigation as jest.Mock).mockReturnValue({
       goToBuy: mockGoToBuy,
-      goToDeposit: mockGoToDeposit,
     });
 
-    // Default V2 enabled — the whole point of this migration is UB2 routing.
-    // Individual tests override to false where they need to assert V1 fallback.
-    (useRampsUnifiedV2Enabled as jest.Mock).mockReturnValue(true);
-
     (useDepositEnabled as jest.Mock).mockReturnValue({
       isDepositEnabled: true,
     });
@@ -257,20 +248,6 @@ describe('AddFundsBottomSheet', () => {
     });
   });
 
-  it('tags analytics with ramp_type DEPOSIT when the UB2 feature flag is disabled', () => {
-    (useRampsUnifiedV2Enabled as jest.Mock).mockReturnValue(false);
-
-    const { getByText } = setupComponent();
-
-    fireEvent.press(getByText('Fund with cash'));
-
-    expect(mockEventBuilder.addProperties).toHaveBeenCalledWith(
-      expect.objectContaining({
-        ramp_type: 'DEPOSIT',
-      }),
-    );
-  });
-
   it('handles swap option press correctly', () => {
     const { getByText } = setupComponent();
 
@@ -354,16 +331,6 @@ describe('AddFundsBottomSheet', () => {
     });
   });
 
-  it('does NOT call the deprecated goToDeposit (UB1) when Fund with cash is pressed', () => {
-    // Regression guard: this entry point was migrated off goToDeposit (UB1)
-    // to goToBuy (UB2-aware). If someone reverts that, this test goes red.
-    const { getByText } = setupComponent();
-
-    fireEvent.press(getByText('Fund with cash'));
-
-    expect(mockGoToDeposit).not.toHaveBeenCalled();
-  });
-
   it('falls back to goToBuy() with no intent when the priority token has no address', () => {
     // No assetId → useRampNavigation routes UB2 to TokenSelection
     // (see useRampNavigation.ts, 'V2: If no assetId and V2 is enabled').

app/components/UI/Card/components/AddFundsBottomSheet/AddFundsBottomSheet.tsx

@@ -23,7 +23,7 @@ import { View } from 'react-native';
 import { CardFundingToken } from '../../types';
 import AppConstants from '../../../../../core/AppConstants';
 import { isBridgeAllowed } from '../../../Bridge/utils';
-import useDepositEnabled from '../../../Ramp/Deposit/hooks/useDepositEnabled';
+import useDepositEnabled from '../../../Ramp/hooks/useDepositEnabled';
 import { getDecimalChainId } from '../../../../../util/networks';
 import { trace, TraceName } from '../../../../../util/trace';
 import { useOpenSwaps } from '../../hooks/useOpenSwaps';
@@ -35,7 +35,6 @@ import { useRampNavigation } from '../../../Ramp/hooks/useRampNavigation';
 import { safeFormatChainIdToHex } from '../../util/safeFormatChainIdToHex';
 import { getDetectedGeolocation } from '../../../../../reducers/fiatOrders';
 import { useRampsButtonClickData } from '../../../Ramp/hooks/useRampsButtonClickData';
-import useRampsUnifiedV2Enabled from '../../../Ramp/hooks/useRampsUnifiedV2Enabled';
 import {
   createNavigationDetails,
   useParams,
@@ -67,7 +66,6 @@ const AddFundsBottomSheet: React.FC = () => {
   const rampGeodetectedRegion = useSelector(getDetectedGeolocation);
   const { goToBuy } = useRampNavigation();
   const buttonClickData = useRampsButtonClickData();
-  const isV2UnifiedEnabled = useRampsUnifiedV2Enabled();
 
   const closeBottomSheetAndNavigate = useCallback(
     (navigateFunc: () => void) => {
@@ -104,7 +102,7 @@ const AddFundsBottomSheet: React.FC = () => {
           button_text: 'Fund with cash',
           location: 'CardHome',
           chain_id_destination: getDecimalChainId(priorityToken?.caipChainId),
-          ramp_type: isV2UnifiedEnabled ? 'UNIFIED_BUY_2' : 'DEPOSIT',
+          ramp_type: 'UNIFIED_BUY_2',
           region: rampGeodetectedRegion,
           is_authenticated: buttonClickData.is_authenticated,
           preferred_provider: buttonClickData.preferred_provider,
@@ -124,7 +122,6 @@ const AddFundsBottomSheet: React.FC = () => {
     createEventBuilder,
     priorityToken,
     buttonClickData,
-    isV2UnifiedEnabled,
   ]);
 
   const options = [

app/components/UI/Card/components/Onboarding/PersonalDetails.test.tsx

@@ -227,7 +227,7 @@ jest.mock('../../../../../component-library/components/Buttons/Button', () => {
   };
 });
 
-jest.mock('../../../Ramp/Deposit/components/DepositDateField', () => {
+jest.mock('../../../Ramp/components/DepositDateField', () => {
   const React = jest.requireActual('react');
   const { TextInput } = jest.requireActual('react-native');
 

app/components/UI/Card/components/Onboarding/PersonalDetails.tsx

@@ -14,7 +14,7 @@ import Routes from '../../../../../constants/navigation/Routes';
 import { strings } from '../../../../../../locales/i18n';
 import OnboardingStep from './OnboardingStep';
 import SelectField from './SelectField';
-import DepositDateField from '../../../Ramp/Deposit/components/DepositDateField';
+import DepositDateField from '../../../Ramp/components/DepositDateField';
 import {
   resetOnboardingState,
   selectOnboardingId,

app/components/UI/Card/components/Onboarding/SignUp.test.tsx

@@ -5,7 +5,7 @@ import { configureStore } from '@reduxjs/toolkit';
 import { useNavigation } from '@react-navigation/native';
 import useEmailVerificationSend from '../../hooks/useEmailVerificationSend';
 import { useDebouncedValue } from '../../../../hooks/useDebouncedValue';
-import { validateEmail } from '../../../Ramp/Deposit/utils';
+import { validateEmail } from '../../../Ramp/utils/depositUtils';
 import { validatePassword } from '../../util/validatePassword';
 import SignUp from './SignUp';
 import Routes from '../../../../../constants/navigation/Routes';
@@ -57,7 +57,7 @@ jest.mock('../../hooks/useRegions', () => ({
 jest.mock('../../../../hooks/useDebouncedValue');
 
 // Mock utility functions
-jest.mock('../../../Ramp/Deposit/utils');
+jest.mock('../../../Ramp/utils/depositUtils');
 jest.mock('../../util/validatePassword');
 
 // Mock Engine

app/components/UI/Card/components/Onboarding/SignUp.tsx

@@ -23,7 +23,7 @@ import TextField from '../../../../../component-library/components/Form/TextFiel
 import Routes from '../../../../../constants/navigation/Routes';
 import { strings } from '../../../../../../locales/i18n';
 import OnboardingStep from './OnboardingStep';
-import { validateEmail } from '../../../Ramp/Deposit/utils';
+import { validateEmail } from '../../../Ramp/utils/depositUtils';
 import { useDebouncedValue } from '../../../../hooks/useDebouncedValue';
 import useEmailVerificationSend from '../../hooks/useEmailVerificationSend';
 import useRegions from '../../hooks/useRegions';

app/components/UI/Card/hooks/useAssetBalances.test.ts

@@ -56,7 +56,7 @@ jest.mock('../../../../core/Engine', () => ({
 jest.mock('@metamask/bridge-controller', () => ({
   isSolanaChainId: jest.fn((chainId: string) => chainId.startsWith('solana:')),
 }));
-jest.mock('../../Ramp/Deposit/constants/networks', () => ({
+jest.mock('../../Ramp/constants/networks', () => ({
   SOLANA_MAINNET: {
     chainId: 'solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp',
   },

app/components/UI/Earn/Views/EarnMusdConversionEducationView/index.test.tsx

@@ -222,7 +222,6 @@ describe('EarnMusdConversionEducationView', () => {
       goToBuy: jest.fn(),
       goToAggregator: mockGoToAggregator,
       goToSell: jest.fn(),
-      goToDeposit: jest.fn(),
     });
     mockSelectMoneyHubEnabledFlag.mockReturnValue(false);
 
@@ -505,7 +504,6 @@ describe('EarnMusdConversionEducationView', () => {
         goToBuy: mockGoToBuy,
         goToAggregator: mockGoToAggregator,
         goToSell: jest.fn(),
-        goToDeposit: jest.fn(),
       });
 
       mockUseMusdConversionFlowData.mockReturnValue({

app/components/UI/Earn/components/Musd/MusdConversionAssetListCta/MusdConversionAssetListCta.test.tsx

@@ -94,7 +94,6 @@ describe('MusdConversionAssetListCta', () => {
       goToBuy: mockGoToBuy,
       goToAggregator: jest.fn(),
       goToSell: jest.fn(),
-      goToDeposit: jest.fn(),
     });
 
     (