feat: persist bridge state through ToS click (#29366)

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## **Description**

Currently, clicking on Terms takes you to an external page and resets
your bridge progress. We want to follow the same UX as swaps, where if
the user clicks on the ToS link, the extension will close, but when the
user reopens the extension, they remain on the bridge page.

Acceptance Criteria:

When clicking on the ToS link, the extension closes. But when the user
re-opens the extension, they see the bridge page with tokens inputted
(but not amounts)

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## **Related issues**

Fixes:

## **Manual testing steps**

1. Go to bridge
2. Put in tokens/amounts to get quote
3. Click "terms" link
4. Reopen extension and see inputs persisted

## **Screenshots/Recordings**

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before and after of your change. -->

### **Before**

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### **After**

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## **Pre-merge author checklist**

- [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/main/.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/main/.github/guidelines/LABELING_GUIDELINES.md)).
Not required for external contributors.

## **Pre-merge reviewer checklist**

- [ ] 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.

ui/pages/bridge/index.test.tsx

@@ -90,6 +90,6 @@ describe('Bridge', () => {
 
     expect(getByText('Bridge')).toBeInTheDocument();
     expect(container).toMatchSnapshot();
-    expect(mockResetBridgeState).toHaveBeenCalledTimes(2);
+    expect(mockResetBridgeState).toHaveBeenCalledTimes(1);
   });
 });

ui/pages/bridge/index.tsx

@@ -67,8 +67,6 @@ const CrossChainSwap = () => {
 
   useEffect(() => {
     // Reset controller and inputs before unloading the page
-    resetControllerAndInputStates();
-
     window.addEventListener('beforeunload', resetControllerAndInputStates);
 
     return () => {

ui/pages/bridge/prepare/bridge-input-group.tsx

@@ -15,7 +15,11 @@ import { TabName } from '../../../components/multichain/asset-picker-amount/asse
 import { useI18nContext } from '../../../hooks/useI18nContext';
 import { getLocale } from '../../../selectors';
 import { getCurrentCurrency } from '../../../ducks/metamask/metamask';
-import { formatCurrencyAmount, formatTokenAmount } from '../utils/quote';
+import {
+  formatCurrencyAmount,
+  formatTokenAmount,
+  isNativeAddress,
+} from '../utils/quote';
 import { Column, Row } from '../layout';
 import {
   Display,
@@ -234,7 +238,7 @@ export const BridgeInputGroup = ({
             : undefined}
           {onMaxButtonClick &&
             token &&
-            token.type !== AssetType.native &&
+            !isNativeAddress(token.address) &&
             balanceAmount && (
               <ButtonLink
                 variant={TextVariant.bodyMd}

ui/pages/bridge/prepare/prepare-bridge-page.tsx

@@ -63,7 +63,10 @@ import { useI18nContext } from '../../../hooks/useI18nContext';
 import { SWAPS_CHAINID_DEFAULT_TOKEN_MAP } from '../../../../shared/constants/swaps';
 import { useTokensWithFiltering } from '../../../hooks/bridge/useTokensWithFiltering';
 import { setActiveNetwork } from '../../../store/actions';
-import { hexToDecimal } from '../../../../shared/modules/conversion.utils';
+import {
+  hexToDecimal,
+  decimalToPrefixedHex,
+} from '../../../../shared/modules/conversion.utils';
 import type { QuoteRequest } from '../../../../shared/types/bridge';
 import { calcTokenValue } from '../../../../shared/lib/swaps-utils';
 import { BridgeQuoteCard } from '../quotes/bridge-quote-card';
@@ -214,8 +217,28 @@ const PrepareBridgePage = () => {
   }, [rotateSwitchTokens]);
 
   useEffect(() => {
-    // Reset controller and inputs on load
-    dispatch(resetBridgeState());
+    if (activeQuote) {
+      // Get input data from active quote
+      const { srcAsset, destAsset, destChainId } = activeQuote.quote;
+      const quoteSrcToken = fromTokens[srcAsset.address.toLowerCase()];
+      const quoteDestChainId = decimalToPrefixedHex(destChainId);
+      const quoteDestToken = toTokens[destAsset.address.toLowerCase()];
+
+      if (quoteSrcToken && quoteDestToken && quoteDestChainId) {
+        // Set inputs to values from active quote
+        dispatch(setFromTokenInputValue(null));
+        dispatch(
+          setFromToken({ ...quoteSrcToken, image: quoteSrcToken.iconUrl }),
+        );
+        dispatch(setToChainId(quoteDestChainId));
+        dispatch(
+          setToToken({ ...quoteDestToken, image: quoteDestToken.iconUrl }),
+        );
+      }
+    } else {
+      // Reset controller and inputs on load
+      dispatch(resetBridgeState());
+    }
   }, []);
 
   // Scroll to bottom of the page when banners are shown

ui/pages/home/home.component.js

@@ -58,6 +58,7 @@ import {
   CONNECTED_ACCOUNTS_ROUTE,
   AWAITING_SWAP_ROUTE,
   PREPARE_SWAP_ROUTE,
+  CROSS_CHAIN_SWAP_ROUTE,
   ///: BEGIN:ONLY_INCLUDE_IF(build-main,build-beta,build-flask)
   ONBOARDING_SECURE_YOUR_WALLET_ROUTE,
   ///: END:ONLY_INCLUDE_IF
@@ -159,6 +160,7 @@ export default class Home extends PureComponent {
     onTabClick: PropTypes.func.isRequired,
     haveSwapsQuotes: PropTypes.bool.isRequired,
     showAwaitingSwapScreen: PropTypes.bool.isRequired,
+    haveBridgeQuotes: PropTypes.bool.isRequired,
     setDataCollectionForMarketing: PropTypes.func.isRequired,
     dataCollectionForMarketing: PropTypes.bool,
     swapsFetchParams: PropTypes.object,
@@ -220,6 +222,7 @@ export default class Home extends PureComponent {
     const {
       closeNotificationPopup,
       haveSwapsQuotes,
+      haveBridgeQuotes,
       isNotification,
       pendingApprovals,
       showAwaitingSwapScreen,
@@ -235,7 +238,10 @@ export default class Home extends PureComponent {
       pendingApprovals.length ||
       (!isNotification &&
         !stayOnHomePage &&
-        (showAwaitingSwapScreen || haveSwapsQuotes || swapsFetchParams))
+        (showAwaitingSwapScreen ||
+          haveSwapsQuotes ||
+          swapsFetchParams ||
+          haveBridgeQuotes))
     ) {
       this.state.redirecting = true;
     }
@@ -289,6 +295,7 @@ export default class Home extends PureComponent {
       history,
       isNotification,
       haveSwapsQuotes,
+      haveBridgeQuotes,
       showAwaitingSwapScreen,
       swapsFetchParams,
       location,
@@ -306,6 +313,8 @@ export default class Home extends PureComponent {
       history.push(AWAITING_SWAP_ROUTE);
     } else if (canRedirect && (haveSwapsQuotes || swapsFetchParams)) {
       history.push(PREPARE_SWAP_ROUTE);
+    } else if (canRedirect && haveBridgeQuotes) {
+      history.push(CROSS_CHAIN_SWAP_ROUTE + PREPARE_SWAP_ROUTE);
     } else if (pendingApprovals.length) {
       navigateToConfirmation(
         pendingApprovals[0].id,

ui/pages/home/home.container.js

@@ -96,6 +96,7 @@ const mapStateToProps = (state) => {
     connectedStatusPopoverHasBeenShown,
     defaultHomeActiveTabName,
     swapsState,
+    bridgeState,
     dataCollectionForMarketing,
     participateInMetaMetrics,
     firstTimeFlowType,
@@ -161,6 +162,7 @@ const mapStateToProps = (state) => {
     haveSwapsQuotes: Boolean(Object.values(swapsState.quotes || {}).length),
     swapsFetchParams: swapsState.fetchParams,
     showAwaitingSwapScreen: swapsState.routeState === 'awaiting',
+    haveBridgeQuotes: Boolean(Object.values(bridgeState?.quotes || {}).length),
     isMainnet: getIsMainnet(state),
     originOfCurrentTab,
     shouldShowWeb3ShimUsageNotification,