fix(walletconnect): use a dedicated walletconnect bridge

https://developers.google.com/analytics/devguides/collection/analyticsjs/ip-anonymization

.env

@@ -1,2 +1,3 @@
 REACT_APP_CHAIN_ID="1"
-REACT_APP_NETWORK_URL="https://mainnet.infura.io/v3/4bf032f2d38a4ed6bb975b80d6340847"
+REACT_APP_NETWORK_URL="https://mainnet.infura.io/v3/4bf032f2d38a4ed6bb975b80d6340847"
+REACT_APP_WALLETCONNECT_BRIDGE_URL="https://uniswap.bridge.walletconnect.org"

.github/workflows/release.yaml

@@ -54,6 +54,14 @@ jobs:
           pinata-api-key: ${{ secrets.PINATA_API_KEY }}
           pinata-secret-api-key: ${{ secrets.PINATA_API_SECRET_KEY }}
 
+      - name: Pin to Crust
+        uses: crustio/ipfs-crust-action@v1.0.8
+        continue-on-error: true
+        timeout-minutes: 2
+        with:
+          cid: ${{ steps.upload.outputs.hash }}
+          seeds: ${{ secrets.CRUST_SEEDS }}
+
       - name: Convert CIDv0 to CIDv1
         id: convert_cidv0
         uses: uniswap/convert-cidv0-cidv1@v1.0.0

package.json

@@ -82,18 +82,24 @@
     "react-window": "^1.8.5",
     "rebass": "^4.0.7",
     "redux-localstorage-simple": "^2.3.1",
-    "serve": "^11.3.0",
+    "serve": "^11.3.2",
     "start-server-and-test": "^1.11.0",
     "styled-components": "^4.2.0",
     "typescript": "^3.8.3",
     "use-count-up": "^2.2.5",
-    "wcag-contrast": "^3.0.0"
+    "wcag-contrast": "^3.0.0",
+    "workbox-core": "^6.1.0",
+    "workbox-expiration": "^6.1.0",
+    "workbox-precaching": "^6.1.0",
+    "workbox-routing": "^6.1.0",
+    "workbox-strategies": "^6.1.0"
   },
   "resolutions": {
     "@walletconnect/web3-provider": "1.1.1-alpha.0"
   },
   "scripts": {
     "start": "react-scripts start",
+    "start:service-worker": "yarn build && yarn serve -s build",
     "build": "react-scripts build",
     "test": "react-scripts test --env=jsdom",
     "eject": "react-scripts eject",

public/manifest.json

@@ -1,6 +1,7 @@
 {
-  "short_name": "Uniswap",
+  "background_color": "#fff",
-  "name": "Uniswap",
+  "display": "standalone",
+  "homepage_url": "https://app.uniswap.org",
   "icons": [
     {
       "src": "./images/192x192_App_Icon.png",
@@ -16,7 +17,8 @@
     }
   ],
   "orientation": "portrait",
-  "display": "standalone",
+  "name": "Uniswap",
-  "theme_color": "#ff007a",
+  "short_name": "Uniswap",
-  "background_color": "#fff"
+  "start_url": ".",
+  "theme_color": "#ff007a"
 }

src/components/Modal/index.tsx

@@ -115,7 +115,13 @@ export default function Modal({
       {fadeTransition.map(
         ({ item, key, props }) =>
           item && (
-            <StyledDialogOverlay key={key} style={props} onDismiss={onDismiss} initialFocusRef={initialFocusRef}>
+            <StyledDialogOverlay
+              key={key}
+              style={props}
+              onDismiss={onDismiss}
+              initialFocusRef={initialFocusRef}
+              unstable_lockFocusAcrossFrames={false}
+            >
               <StyledDialogContent
                 {...(isMobile
                   ? {

src/components/Settings/index.tsx

@@ -1,5 +1,6 @@
 import React, { useContext, useRef, useState } from 'react'
 import { Settings, X } from 'react-feather'
+import ReactGA from 'react-ga'
 import { Text } from 'rebass'
 import styled, { ThemeContext } from 'styled-components'
 import { useOnClickOutside } from '../../hooks/useOnClickOutside'
@@ -236,7 +237,13 @@ export default function SettingsTab() {
               <Toggle
                 id="toggle-disable-multihop-button"
                 isActive={singleHopOnly}
-                toggle={() => (singleHopOnly ? setSingleHopOnly(false) : setSingleHopOnly(true))}
+                toggle={() => {
+                  ReactGA.event({
+                    category: 'Routing',
+                    action: singleHopOnly ? 'disable single hop' : 'enable single hop'
+                  })
+                  setSingleHopOnly(!singleHopOnly)
+                }}
               />
             </RowBetween>
           </AutoColumn>

src/components/TokenWarningModal/index.tsx

@@ -1,21 +1,21 @@
 import { Token } from '@uniswap/sdk'
-import React, { useCallback } from 'react'
+import React from 'react'
 import Modal from '../Modal'
 import { ImportToken } from 'components/SearchModal/ImportToken'
 
 export default function TokenWarningModal({
   isOpen,
   tokens,
-  onConfirm
+  onConfirm,
+  onDismiss
 }: {
   isOpen: boolean
   tokens: Token[]
   onConfirm: () => void
+  onDismiss: () => void
 }) {
-  const handleDismiss = useCallback(() => null, [])
-
   return (
-    <Modal isOpen={isOpen} onDismiss={handleDismiss} maxHeight={90}>
+    <Modal isOpen={isOpen} onDismiss={onDismiss} maxHeight={100}>
       <ImportToken tokens={tokens} handleCurrencySelect={onConfirm} />
     </Modal>
   )

src/components/swap/AdvancedSwapDetails.tsx

@@ -105,7 +105,7 @@ export function AdvancedSwapDetails({ trade }: AdvancedSwapDetailsProps) {
           {!showRoute && (
             <AutoColumn style={{ padding: '12px 16px 0 16px' }}>
               <InfoLink
-                href={'https://uniswap.info/pair/' + trade.route.pairs[0].liquidityToken.address}
+                href={'https://info.uniswap.org/pair/' + trade.route.pairs[0].liquidityToken.address}
                 target="_blank"
               >
                 View pair analytics ↗

src/components/swap/UnsupportedCurrencyFooter.tsx

@@ -64,7 +64,6 @@ export default function UnsupportedCurrencyFooter({
           <AutoColumn gap="lg">
             <RowBetween>
               <TYPE.mediumHeader>Unsupported Assets</TYPE.mediumHeader>
-
               <CloseIcon onClick={() => setShowDetails(false)} />
             </RowBetween>
             {tokens.map(token => {

src/connectors/index.ts

@@ -6,10 +6,12 @@ import { PortisConnector } from '@web3-react/portis-connector'
 
 import { FortmaticConnector } from './Fortmatic'
 import { NetworkConnector } from './NetworkConnector'
+import UNISWAP_LOGO_URL from '../assets/svg/logo.svg'
 
 const NETWORK_URL = process.env.REACT_APP_NETWORK_URL
 const FORMATIC_KEY = process.env.REACT_APP_FORTMATIC_KEY
 const PORTIS_ID = process.env.REACT_APP_PORTIS_ID
+const WALLETCONNECT_BRIDGE_URL = process.env.REACT_APP_WALLETCONNECT_BRIDGE_URL
 
 export const NETWORK_CHAIN_ID: number = parseInt(process.env.REACT_APP_CHAIN_ID ?? '1')
 
@@ -33,7 +35,7 @@ export const injected = new InjectedConnector({
 // mainnet only
 export const walletconnect = new WalletConnectConnector({
   rpc: { 1: NETWORK_URL },
-  bridge: 'https://bridge.walletconnect.org',
+  bridge: WALLETCONNECT_BRIDGE_URL,
   qrcode: true,
   pollingInterval: 15000
 })
@@ -54,6 +56,5 @@ export const portis = new PortisConnector({
 export const walletlink = new WalletLinkConnector({
   url: NETWORK_URL,
   appName: 'Uniswap',
-  appLogoUrl:
+  appLogoUrl: UNISWAP_LOGO_URL
-    'https://mpng.pngfly.com/20181202/bex/kisspng-emoji-domain-unicorn-pin-badges-sticker-unicorn-tumblr-emoji-unicorn-iphoneemoji-5c046729264a77.5671679315437924251569.jpg'
 })

src/constants/lists.ts

@@ -1,8 +1,4 @@
 // used to mark unsupported tokens, these are hosted lists of unsupported tokens
-/**
- * @TODO add list from blockchain association
- */
-export const UNSUPPORTED_LIST_URLS: string[] = []
 
 const COMPOUND_LIST = 'https://raw.githubusercontent.com/compound-finance/token-list/master/compound.tokenlist.json'
 const UMA_LIST = 'https://umaproject.org/uma.tokenlist.json'
@@ -17,6 +13,9 @@ const CMC_ALL_LIST = 'defi.cmc.eth'
 const CMC_STABLECOIN = 'stablecoin.cmc.eth'
 const KLEROS_LIST = 't2crtokens.eth'
 const GEMINI_LIST = 'https://www.gemini.com/uniswap/manifest.json'
+const BA_LIST = 'https://raw.githubusercontent.com/The-Blockchain-Association/sec-notice-list/master/ba-sec-list.json'
+
+export const UNSUPPORTED_LIST_URLS: string[] = [BA_LIST]
 
 // lower index == higher priority for token import
 export const DEFAULT_LIST_OF_LISTS: string[] = [

src/constants/tokenLists/uniswap-v2-unsupported.tokenlist.json

@@ -17,6 +17,14 @@
       "decimals": 6,
       "chainId": 1,
       "logoURI": "https://raw.githubusercontent.com/trustwallet/assets/master/blockchains/ethereum/assets/0x4922a015c4407F87432B179bb209e125432E4a2A/logo.png"
+    },
+    {
+      "name": "Grump Cat",
+      "address": "0x93B2FfF814FCaEFFB01406e80B4Ecd89Ca6A021b",
+      "symbol": "GRUMPY",
+      "decimals": 9,
+      "chainId": 1,
+      "logoURI": "https://raw.githubusercontent.com/trustwallet/assets/master/blockchains/ethereum/assets/0x4922a015c4407F87432B179bb209e125432E4a2A/logo.png"
     }
   ]
 }

src/hooks/Trades.ts

@@ -150,18 +150,18 @@ export function useTradeExactOut(currencyIn?: Currency, currencyAmountOut?: Curr
 }
 
 export function useIsTransactionUnsupported(currencyIn?: Currency, currencyOut?: Currency): boolean {
-  const unsupportedToken: { [address: string]: Token } = useUnsupportedTokens()
+  const unsupportedTokens: { [address: string]: Token } = useUnsupportedTokens()
   const { chainId } = useActiveWeb3React()
 
   const tokenIn = wrappedCurrency(currencyIn, chainId)
   const tokenOut = wrappedCurrency(currencyOut, chainId)
 
   // if unsupported list loaded & either token on list, mark as unsupported
-  if (unsupportedToken) {
+  if (unsupportedTokens) {
-    if (tokenIn && Object.keys(unsupportedToken).includes(tokenIn.address)) {
+    if (tokenIn && Object.keys(unsupportedTokens).includes(tokenIn.address)) {
       return true
     }
-    if (tokenOut && Object.keys(unsupportedToken).includes(tokenOut.address)) {
+    if (tokenOut && Object.keys(unsupportedTokens).includes(tokenOut.address)) {
       return true
     }
   }

src/index.tsx

@@ -11,6 +11,7 @@ import { NetworkContextName } from './constants'
 import './i18n'
 import App from './pages/App'
 import store from './state'
+import * as serviceWorkerRegistration from './serviceWorkerRegistration'
 import ApplicationUpdater from './state/application/updater'
 import ListsUpdater from './state/lists/updater'
 import MulticallUpdater from './state/multicall/updater'
@@ -27,8 +28,14 @@ if (!!window.ethereum) {
 
 const GOOGLE_ANALYTICS_ID: string | undefined = process.env.REACT_APP_GOOGLE_ANALYTICS_ID
 if (typeof GOOGLE_ANALYTICS_ID === 'string') {
-  ReactGA.initialize(GOOGLE_ANALYTICS_ID)
+  ReactGA.initialize(GOOGLE_ANALYTICS_ID, {
+    gaOptions: {
+      storage: 'none',
+      storeGac: false
+    }
+  })
   ReactGA.set({
+    anonymizeIp: true,
     customBrowserType: !isMobile ? 'desktop' : 'web3' in window || 'ethereum' in window ? 'mobileWeb3' : 'mobileRegular'
   })
 } else {
@@ -75,3 +82,5 @@ ReactDOM.render(
   </StrictMode>,
   document.getElementById('root')
 )
+
+serviceWorkerRegistration.unregister()

src/pages/Swap/index.tsx

@@ -48,8 +48,9 @@ import Loader from '../../components/Loader'
 import { useIsTransactionUnsupported } from 'hooks/Trades'
 import UnsupportedCurrencyFooter from 'components/swap/UnsupportedCurrencyFooter'
 import { isTradeBetter } from 'utils/trades'
+import { RouteComponentProps } from 'react-router-dom'
 
-export default function Swap() {
+export default function Swap({ history }: RouteComponentProps) {
   const loadedUrlParams = useDefaultsFromURLSearch()
 
   // token warning stuff
@@ -97,6 +98,7 @@ export default function Swap() {
     currencies,
     inputError: swapInputError
   } = useDerivedSwapInfo()
+
   const { wrapType, execute: onWrap, inputError: wrapInputError } = useWrapCallback(
     currencies[Field.INPUT],
     currencies[Field.OUTPUT],
@@ -142,6 +144,12 @@ export default function Swap() {
     [onUserInput]
   )
 
+  // reset if they close warning without tokens in params
+  const handleDismissTokenWarning = useCallback(() => {
+    setDismissTokenWarning(true)
+    history.push('/swap/')
+  }, [history])
+
   // modal and loading
   const [{ showConfirm, tradeToConfirm, swapErrorMessage, attemptingTxn, txHash }, setSwapState] = useState<{
     showConfirm: boolean
@@ -297,6 +305,7 @@ export default function Swap() {
         isOpen={importTokensNotInDefault.length > 0 && !dismissTokenWarning}
         tokens={importTokensNotInDefault}
         onConfirm={handleConfirmTokenWarning}
+        onDismiss={handleDismissTokenWarning}
       />
       <SwapPoolTabs active={'swap'} />
       <AppBody>

src/service-worker.ts

@@ -0,0 +1,80 @@
+/// <reference lib="webworker" />
+/* eslint-disable no-restricted-globals */
+
+// This service worker can be customized!
+// See https://developers.google.com/web/tools/workbox/modules
+// for the list of available Workbox modules, or add any other
+// code you'd like.
+// You can also remove this file if you'd prefer not to use a
+// service worker, and the Workbox build step will be skipped.
+
+import { clientsClaim } from 'workbox-core'
+import { ExpirationPlugin } from 'workbox-expiration'
+import { createHandlerBoundToURL, precacheAndRoute } from 'workbox-precaching'
+import { registerRoute } from 'workbox-routing'
+import { StaleWhileRevalidate } from 'workbox-strategies'
+
+declare const self: ServiceWorkerGlobalScope
+
+clientsClaim()
+
+// Precache all of the assets generated by your build process.
+// Their URLs are injected into the manifest variable below.
+// This variable must be present somewhere in your service worker file,
+// even if you decide not to use precaching. See https://cra.link/PWA
+precacheAndRoute(self.__WB_MANIFEST)
+
+// Set up App Shell-style routing, so that all navigation requests
+// are fulfilled with your index.html shell. Learn more at
+// https://developers.google.com/web/fundamentals/architecture/app-shell
+const fileExtensionRegexp = new RegExp('/[^/?]+\\.[^/]+$')
+registerRoute(
+  // Return false to exempt requests from being fulfilled by index.html.
+  ({ request, url }: { request: Request; url: URL }) => {
+    // If this isn't a navigation, skip.
+    if (request.mode !== 'navigate') {
+      return false
+    }
+
+    // If this is a URL that starts with /_, skip.
+    if (url.pathname.startsWith('/_')) {
+      return false
+    }
+
+    // If this looks like a URL for a resource, because it contains
+    // a file extension, skip.
+    if (url.pathname.match(fileExtensionRegexp)) {
+      return false
+    }
+
+    // Return true to signal that we want to use the handler.
+    return true
+  },
+  createHandlerBoundToURL(process.env.PUBLIC_URL + '/index.html')
+)
+
+// An example runtime caching route for requests that aren't handled by the
+// precache, in this case same-origin .png requests like those from in public/
+registerRoute(
+  // Add in any other file extensions or routing criteria as needed.
+  ({ url }) => url.origin === self.location.origin && url.pathname.endsWith('.png'),
+  // Customize this strategy as needed, e.g., by changing to CacheFirst.
+  new StaleWhileRevalidate({
+    cacheName: 'images',
+    plugins: [
+      // Ensure that once this runtime cache reaches a maximum size the
+      // least-recently used images are removed.
+      new ExpirationPlugin({ maxEntries: 50 })
+    ]
+  })
+)
+
+// This allows the web app to trigger skipWaiting via
+// registration.waiting.postMessage({type: 'SKIP_WAITING'})
+self.addEventListener('message', event => {
+  if (event.data && event.data.type === 'SKIP_WAITING') {
+    self.skipWaiting()
+  }
+})
+
+// Any other custom service worker logic can go here.

src/serviceWorkerRegistration.ts

@@ -0,0 +1,139 @@
+// This optional code is used to register a service worker.
+// register() is not called by default.
+
+// This lets the app load faster on subsequent visits in production, and gives
+// it offline capabilities. However, it also means that developers (and users)
+// will only see deployed updates on subsequent visits to a page, after all the
+// existing tabs open on the page have been closed, since previously cached
+// resources are updated in the background.
+
+// To learn more about the benefits of this model and instructions on how to
+// opt-in, read https://cra.link/PWA
+
+const isLocalhost = Boolean(
+  window.location.hostname === 'localhost' ||
+    // [::1] is the IPv6 localhost address.
+    window.location.hostname === '[::1]' ||
+    // 127.0.0.0/8 are considered localhost for IPv4.
+    window.location.hostname.match(/^127(?:\.(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}$/)
+)
+
+type Config = {
+  onSuccess?: (registration: ServiceWorkerRegistration) => void
+  onUpdate?: (registration: ServiceWorkerRegistration) => void
+}
+
+function registerValidSW(swUrl: string, config?: Config) {
+  navigator.serviceWorker
+    .register(swUrl)
+    .then(registration => {
+      registration.onupdatefound = () => {
+        const installingWorker = registration.installing
+        if (installingWorker == null) {
+          return
+        }
+        installingWorker.onstatechange = () => {
+          if (installingWorker.state === 'installed') {
+            if (navigator.serviceWorker.controller) {
+              // At this point, the updated precached content has been fetched,
+              // but the previous service worker will still serve the older
+              // content until all client tabs are closed.
+              console.log(
+                'New content is available and will be used when all ' +
+                  'tabs for this page are closed. See https://cra.link/PWA.'
+              )
+
+              // Execute callback
+              if (config && config.onUpdate) {
+                config.onUpdate(registration)
+              }
+            } else {
+              // At this point, everything has been precached.
+              // It's the perfect time to display a
+              // "Content is cached for offline use." message.
+              console.log('Content is cached for offline use.')
+
+              // Execute callback
+              if (config && config.onSuccess) {
+                config.onSuccess(registration)
+              }
+            }
+          }
+        }
+      }
+    })
+    .catch(error => {
+      console.error('Error during service worker registration:', error)
+    })
+}
+
+function checkValidServiceWorker(swUrl: string, config?: Config) {
+  // Check if the service worker can be found. If it can't reload the page.
+  fetch(swUrl, {
+    headers: { 'Service-Worker': 'script' }
+  })
+    .then(response => {
+      // Ensure service worker exists, and that we really are getting a JS file.
+      const contentType = response.headers.get('content-type')
+      if (response.status === 404 || (contentType != null && contentType.indexOf('javascript') === -1)) {
+        // No service worker found. Probably a different app. Reload the page.
+        navigator.serviceWorker.ready.then(registration => {
+          registration.unregister().then(() => {
+            window.location.reload()
+          })
+        })
+      } else {
+        // Service worker found. Proceed as normal.
+        registerValidSW(swUrl, config)
+      }
+    })
+    .catch(() => {
+      console.log('No internet connection found. App is running in offline mode.')
+    })
+}
+
+export function register(config?: Config) {
+  if (process.env.NODE_ENV === 'production' && 'serviceWorker' in navigator) {
+    // The URL constructor is available in all browsers that support SW.
+    const publicUrl = new URL(process.env.PUBLIC_URL, window.location.href)
+    if (publicUrl.origin !== window.location.origin) {
+      // Our service worker won't work if PUBLIC_URL is on a different origin
+      // from what our page is served on. This might happen if a CDN is used to
+      // serve assets; see https://github.com/facebook/create-react-app/issues/2374
+      return
+    }
+
+    window.addEventListener('load', () => {
+      const swUrl = `${process.env.PUBLIC_URL}/service-worker.js`
+
+      if (isLocalhost) {
+        // This is running on localhost. Let's check if a service worker still exists or not.
+        checkValidServiceWorker(swUrl, config)
+
+        // Add some additional logging to localhost, pointing developers to the
+        // service worker/PWA documentation.
+        navigator.serviceWorker.ready.then(() => {
+          console.log(
+            'This web app is being served cache-first by a service ' +
+              'worker. To learn more, visit https://cra.link/PWA'
+          )
+        })
+      } else {
+        // Is not localhost. Just register service worker
+        registerValidSW(swUrl, config)
+      }
+    })
+  }
+}
+
+export function unregister() {
+  if ('serviceWorker' in navigator) {
+    navigator.serviceWorker.ready
+      .then(registration => {
+        registration.unregister()
+      })
+      .catch(error => {
+        console.error(error.message)
+      })
+  }
+}

src/state/claim/hooks.ts

@@ -29,18 +29,16 @@ function fetchClaim(account: string, chainId: ChainId): Promise<UserClaimData |
 
   return (CLAIM_PROMISES[key] =
     CLAIM_PROMISES[key] ??
-    fetch(`https://gentle-frost-9e74.uniswap.workers.dev/${chainId}/${formatted}`)
+    fetch('https://merkle-drop-1.uniswap.workers.dev/', {
-      .then(res => {
+      body: JSON.stringify({ chainId, address: formatted }),
-        if (res.status === 200) {
+      headers: {
-          return res.json()
+        'Content-Type': 'application/json',
-        } else {
+        'Referrer-Policy': 'no-referrer'
-          console.debug(`No claim for account ${formatted} on chain ID ${chainId}`)
+      },
-          return null
+      method: 'POST'
-        }
+    })
-      })
+      .then(res => (res.ok ? res.json() : console.log(`No claim for account ${formatted} on chain ID ${chainId}`)))
-      .catch(error => {
+      .catch(error => console.error('Failed to get claim data', error)))
-        console.error('Failed to get claim data', error)
-      }))
 }
 
 // parse distributorContract blob and detect if user has claim data

src/state/lists/reducer.ts

@@ -1,4 +1,4 @@
-import { DEFAULT_ACTIVE_LIST_URLS } from './../../constants/lists'
+import { DEFAULT_ACTIVE_LIST_URLS, UNSUPPORTED_LIST_URLS } from './../../constants/lists'
 import { createReducer } from '@reduxjs/toolkit'
 import { getVersionUpgrade, VersionUpgrade } from '@uniswap/token-lists'
 import { TokenList } from '@uniswap/token-lists/dist/types'
@@ -36,7 +36,7 @@ type Mutable<T> = { -readonly [P in keyof T]: T[P] extends ReadonlyArray<infer U
 const initialState: ListsState = {
   lastInitializedDefaultListOfLists: DEFAULT_LIST_OF_LISTS,
   byUrl: {
-    ...DEFAULT_LIST_OF_LISTS.reduce<Mutable<ListsState['byUrl']>>((memo, listUrl) => {
+    ...DEFAULT_LIST_OF_LISTS.concat(...UNSUPPORTED_LIST_URLS).reduce<Mutable<ListsState['byUrl']>>((memo, listUrl) => {
       memo[listUrl] = NEW_LIST_STATE
       return memo
     }, {})

src/state/lists/updater.ts

@@ -10,6 +10,7 @@ import { AppDispatch } from '../index'
 import { acceptListUpdate } from './actions'
 import { useActiveListUrls } from './hooks'
 import { useAllInactiveTokens } from 'hooks/Tokens'
+import { UNSUPPORTED_LIST_URLS } from 'constants/lists'
 
 export default function Updater(): null {
   const { library } = useActiveWeb3React()
@@ -44,6 +45,16 @@ export default function Updater(): null {
     })
   }, [dispatch, fetchList, library, lists])
 
+  // if any lists from unsupported lists are loaded, check them too (in case new updates since last visit)
+  useEffect(() => {
+    Object.keys(UNSUPPORTED_LIST_URLS).forEach(listUrl => {
+      const list = lists[listUrl]
+      if (!list || (!list.current && !list.loadingRequestId && !list.error)) {
+        fetchList(listUrl).catch(error => console.debug('list added fetching error', error))
+      }
+    })
+  }, [dispatch, fetchList, library, lists])
+
   // automatically update lists if versions are minor/patch
   useEffect(() => {
     Object.keys(lists).forEach(listUrl => {

src/state/user/hooks.tsx

@@ -1,6 +1,5 @@
 import { ChainId, Pair, Token } from '@uniswap/sdk'
 import flatMap from 'lodash.flatmap'
-import ReactGA from 'react-ga'
 import { useCallback, useMemo } from 'react'
 import { shallowEqual, useDispatch, useSelector } from 'react-redux'
 import { BASES_TO_TRACK_LIQUIDITY_FOR, PINNED_PAIRS } from '../../constants'
@@ -92,10 +91,6 @@ export function useUserSingleHopOnly(): [boolean, (newSingleHopOnly: boolean) =>
 
   const setSingleHopOnly = useCallback(
     (newSingleHopOnly: boolean) => {
-      ReactGA.event({
-        category: 'Routing',
-        action: newSingleHopOnly ? 'enable single hop' : 'disable single hop'
-      })
       dispatch(updateUserSingleHopOnly({ userSingleHopOnly: newSingleHopOnly }))
     },
     [dispatch]
@@ -162,7 +157,7 @@ export function useUserAddedTokens(): Token[] {
 
   return useMemo(() => {
     if (!chainId) return []
-    return Object.values(serializedTokensMap[chainId as ChainId] ?? {}).map(deserializeToken)
+    return Object.values(serializedTokensMap?.[chainId as ChainId] ?? {}).map(deserializeToken)
   }, [serializedTokensMap, chainId])
 }
 

src/state/user/reducer.ts

@@ -111,11 +111,17 @@ export default createReducer(initialState, builder =>
       state.userSingleHopOnly = action.payload.userSingleHopOnly
     })
     .addCase(addSerializedToken, (state, { payload: { serializedToken } }) => {
+      if (!state.tokens) {
+        state.tokens = {}
+      }
       state.tokens[serializedToken.chainId] = state.tokens[serializedToken.chainId] || {}
       state.tokens[serializedToken.chainId][serializedToken.address] = serializedToken
       state.timestamp = currentTimestamp()
     })
     .addCase(removeSerializedToken, (state, { payload: { address, chainId } }) => {
+      if (!state.tokens) {
+        state.tokens = {}
+      }
       state.tokens[chainId] = state.tokens[chainId] || {}
       delete state.tokens[chainId][address]
       state.timestamp = currentTimestamp()

yarn.lock

@@ -13762,7 +13762,7 @@ serve-static@1.14.1:
     parseurl "~1.3.3"
     send "0.17.1"
 
-serve@^11.3.0:
+serve@^11.3.2:
   version "11.3.2"
   resolved "https://registry.yarnpkg.com/serve/-/serve-11.3.2.tgz#b905e980616feecd170e51c8f979a7b2374098f5"
   integrity sha512-yKWQfI3xbj/f7X1lTBg91fXBP0FqjJ4TEi+ilES5yzH0iKJpN5LjNb1YzIfQg9Rqn4ECUS2SOf2+Kmepogoa5w==
@@ -15655,6 +15655,11 @@ workbox-core@^4.3.1:
   resolved "https://registry.yarnpkg.com/workbox-core/-/workbox-core-4.3.1.tgz#005d2c6a06a171437afd6ca2904a5727ecd73be6"
   integrity sha512-I3C9jlLmMKPxAC1t0ExCq+QoAMd0vAAHULEgRZ7kieCdUd919n53WC0AfvokHNwqRhGn+tIIj7vcb5duCjs2Kg==
 
+workbox-core@^6.1.0:
+  version "6.1.0"
+  resolved "https://registry.yarnpkg.com/workbox-core/-/workbox-core-6.1.0.tgz#2671b64f76550e83a4c2202676b67ce372e10881"
+  integrity sha512-s3KqTJfBreO4xCZpR2LB5p/EknAx8eg0QumKiIgxM4hRO0RtwS2pJvTieNEM23X3RqxRhqweriLD8To19KUvjg==
+
 workbox-expiration@^4.3.1:
   version "4.3.1"
   resolved "https://registry.yarnpkg.com/workbox-expiration/-/workbox-expiration-4.3.1.tgz#d790433562029e56837f341d7f553c4a78ebe921"
@@ -15662,6 +15667,13 @@ workbox-expiration@^4.3.1:
   dependencies:
     workbox-core "^4.3.1"
 
+workbox-expiration@^6.1.0:
+  version "6.1.0"
+  resolved "https://registry.yarnpkg.com/workbox-expiration/-/workbox-expiration-6.1.0.tgz#cf6bb384e49d0c92b79233c46671d9c6d82478a2"
+  integrity sha512-jp2xGk+LC4AhCoOxO/bC06GQkq/oVp0ZIf1zXLQh6OD2fWZPkXNjLLSuDnjXoGGPibYrq7gEE/xjAdYGjNWl1A==
+  dependencies:
+    workbox-core "^6.1.0"
+
 workbox-google-analytics@^4.3.1:
   version "4.3.1"
   resolved "https://registry.yarnpkg.com/workbox-google-analytics/-/workbox-google-analytics-4.3.1.tgz#9eda0183b103890b5c256e6f4ea15a1f1548519a"
@@ -15686,6 +15698,15 @@ workbox-precaching@^4.3.1:
   dependencies:
     workbox-core "^4.3.1"
 
+workbox-precaching@^6.1.0:
+  version "6.1.0"
+  resolved "https://registry.yarnpkg.com/workbox-precaching/-/workbox-precaching-6.1.0.tgz#9ee3d28f27cd78daa62f5bd6a0d33f5682ac97a7"
+  integrity sha512-zjye8MVzieBVJ3sS0hFcbKLp7pTHMfJM17YqxCxB0KykXWnxLOpYnStQ9M+bjWJsKJOQvbkPqvq5u9+mtA923g==
+  dependencies:
+    workbox-core "^6.1.0"
+    workbox-routing "^6.1.0"
+    workbox-strategies "^6.1.0"
+
 workbox-range-requests@^4.3.1:
   version "4.3.1"
   resolved "https://registry.yarnpkg.com/workbox-range-requests/-/workbox-range-requests-4.3.1.tgz#f8a470188922145cbf0c09a9a2d5e35645244e74"
@@ -15700,6 +15721,13 @@ workbox-routing@^4.3.1:
   dependencies:
     workbox-core "^4.3.1"
 
+workbox-routing@^6.1.0:
+  version "6.1.0"
+  resolved "https://registry.yarnpkg.com/workbox-routing/-/workbox-routing-6.1.0.tgz#f885cb7801e2c9c5678f197656cf27a2b649c1d5"
+  integrity sha512-FXQ5cwb6Mk90fC0rfQLX0pN+r/N4eBafwkh/QanJUq0e6jMPdDFLrlsikZL/0LcXEx+yAkWLytoiS+d2HOEBOw==
+  dependencies:
+    workbox-core "^6.1.0"
+
 workbox-strategies@^4.3.1:
   version "4.3.1"
   resolved "https://registry.yarnpkg.com/workbox-strategies/-/workbox-strategies-4.3.1.tgz#d2be03c4ef214c115e1ab29c9c759c9fe3e9e646"
@@ -15707,6 +15735,13 @@ workbox-strategies@^4.3.1:
   dependencies:
     workbox-core "^4.3.1"
 
+workbox-strategies@^6.1.0:
+  version "6.1.0"
+  resolved "https://registry.yarnpkg.com/workbox-strategies/-/workbox-strategies-6.1.0.tgz#9ddcee44408d2fb403f22a7989803b5c58560590"
+  integrity sha512-HvUknzJdZWeV3x7Eq33a7TGAv9/r1TEiQK6kQ1QNzN+IKiqhIjnhKFHmMxb5hK1Gw9/aDSJTLNPDaLPfIJRQFQ==
+  dependencies:
+    workbox-core "^6.1.0"
+
 workbox-streams@^4.3.1:
   version "4.3.1"
   resolved "https://registry.yarnpkg.com/workbox-streams/-/workbox-streams-4.3.1.tgz#0b57da70e982572de09c8742dd0cb40a6b7c2cc3"