Merge branch 'main' into v3-main

# Conflicts:
#	.env
#	README.md
#	package.json
#	src/components/TokenWarningModal/index.tsx
#	src/connectors/index.ts
#	src/constants/index.ts
#	src/hooks/Trades.ts
#	src/index.tsx
#	src/state/claim/hooks.ts
#	src/state/user/hooks.tsx
#	yarn.lock

.env

 REACT_APP_CHAIN_ID="1"
 REACT_APP_NETWORK_URL="https://mainnet.infura.io/v3/4bf032f2d38a4ed6bb975b80d6340847"
+REACT_APP_WALLETCONNECT_BRIDGE_URL="https://uniswap.bridge.walletconnect.org"
+# Because we use storybook which has its own babel-loader dependency @ 8.2.2, where react-scripts uses 8.1.0
 SKIP_PREFLIGHT_CHECK=true
\ No newline at end of file

.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

README.md

@@ -56,7 +56,7 @@ The interface will not work on other networks.
 
 ## Contributions
 
-**Please open all pull requests against the `master` branch.**
+**Please open all pull requests against the `main` branch.**
 CI checks will run against all PRs.
 
 ## Accessing Uniswap Interface V1

package.json

@@ -114,19 +114,14 @@
     "workbox-routing": "^6.1.0",
     "workbox-strategies": "^6.1.0"
   },
-  "resolutions": {
-    "@walletconnect/web3-provider": "1.1.1-alpha.0"
-  },
   "scripts": {
     "compile-contract-types": "yarn compile-external-abi-types && yarn compile-v3-contract-types",
     "compile-external-abi-types": "npx typechain --target ethers-v5 --outDir src/abis/types './src/abis/**/*.json'",
     "compile-v3-contract-types": "npx typechain --target ethers-v5 --outDir src/types/v3 './node_modules/@uniswap/?(v3-core|v3-periphery)/artifacts/contracts/**/*.json'",
     "build": "yarn compile-contract-types && react-scripts build",
-    "eject": "react-scripts eject",
     "integration-test": "start-server-and-test 'serve build -l 3000' http://localhost:3000 'cypress run'",
     "postinstall": "yarn compile-contract-types",
     "start": "yarn compile-contract-types && react-scripts start",
-    "start:service-worker": "yarn build && yarn serve -s build",
     "storybook": "start-storybook -p 6006",
     "test": "react-scripts test --env=jsdom"
   },

src/components/Settings/index.tsx

 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/swap/AdvancedSwapDetails.tsx

@@ -106,7 +106,7 @@ 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/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:
-    'https://mpng.pngfly.com/20181202/bex/kisspng-emoji-domain-unicorn-pin-badges-sticker-unicorn-tumblr-emoji-unicorn-iphoneemoji-5c046729264a77.5671679315437924251569.jpg',
+  appLogoUrl: UNISWAP_LOGO_URL,
 })

src/constants/index.ts

@@ -22,13 +22,16 @@ type ChainTokenList = {
   readonly [chainId in ChainId | 1337]: Token[]
 }
 
+export const AMPL = new Token(ChainId.MAINNET, '0xD46bA6D942050d489DBd938a2C909A5d5039A161', 9, 'AMPL', 'Ampleforth')
 export const DAI = new Token(ChainId.MAINNET, '0x6B175474E89094C44Da98b954EedeAC495271d0F', 18, 'DAI', 'Dai Stablecoin')
 export const USDC = new Token(ChainId.MAINNET, '0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48', 6, 'USDC', 'USD//C')
 export const USDT = new Token(ChainId.MAINNET, '0xdAC17F958D2ee523a2206206994597C13D831ec7', 6, 'USDT', 'Tether USD')
-export const COMP = new Token(ChainId.MAINNET, '0xc00e94Cb662C3520282E6f5717214004A7f26888', 18, 'COMP', 'Compound')
-export const MKR = new Token(ChainId.MAINNET, '0x9f8F72aA9304c8B593d555F12eF6589cC3A579A2', 18, 'MKR', 'Maker')
-export const AMPL = new Token(ChainId.MAINNET, '0xD46bA6D942050d489DBd938a2C909A5d5039A161', 9, 'AMPL', 'Ampleforth')
 export const WBTC = new Token(ChainId.MAINNET, '0x2260FAC5E5542a773Aa44fBCfeDf7C193bc2C599', 8, 'WBTC', 'Wrapped BTC')
+export const FEI = new Token(ChainId.MAINNET, '0x956F47F50A910163D8BF957Cf5846D573E7f87CA', 18, 'FEI', 'Fei USD')
+export const TRIBE = new Token(ChainId.MAINNET, '0xc7283b66Eb1EB5FB86327f08e1B5816b0720212B', 18, 'TRIBE', 'Tribe')
+export const FRAX = new Token(ChainId.MAINNET, '0x853d955aCEf822Db058eb8505911ED77F175b99e', 18, 'FRAX', 'Frax')
+export const FXS = new Token(ChainId.MAINNET, '0x3432B6A60D23Ca0dFCa7761B7ab56459D9C964D0', 18, 'FXS', 'Frax Share')
+export const renBTC = new Token(ChainId.MAINNET, '0xEB4C2781e4ebA804CE9a9803C67d0893436bB27D', 8, 'renBTC', 'renBTC')
 
 // Block time here is slightly higher (~1s) than average in order to avoid ongoing proposals past the displayed time
 export const AVERAGE_BLOCK_TIME_IN_SECS = 13
@@ -70,7 +73,20 @@ const WETH_ONLY: ChainTokenList = {
 // used to construct intermediary pairs for trading
 export const BASES_TO_CHECK_TRADES_AGAINST: ChainTokenList = {
   ...WETH_ONLY,
-  [ChainId.MAINNET]: [...WETH_ONLY[ChainId.MAINNET], DAI, USDC, USDT, COMP, MKR, WBTC],
+  [ChainId.MAINNET]: [...WETH_ONLY[ChainId.MAINNET], DAI, USDC, USDT, WBTC],
+}
+
+export const ADDITIONAL_BASES: { [chainId in ChainId]?: { [tokenAddress: string]: Token[] } } = {
+  [ChainId.MAINNET]: {
+    '0xA948E86885e12Fb09AfEF8C52142EBDbDf73cD18': [new Token(ChainId.MAINNET, UNI_ADDRESS, 18, 'UNI', 'Uniswap')],
+    '0x561a4717537ff4AF5c687328c0f7E90a319705C0': [new Token(ChainId.MAINNET, UNI_ADDRESS, 18, 'UNI', 'Uniswap')],
+    [FEI.address]: [TRIBE],
+    [TRIBE.address]: [FEI],
+    [FRAX.address]: [FXS],
+    [FXS.address]: [FRAX],
+    [WBTC.address]: [renBTC],
+    [renBTC.address]: [WBTC],
+  },
 }
 
 /**

src/hooks/Trades.ts

@@ -4,7 +4,12 @@ import { Currency, CurrencyAmount, Token } from '@uniswap/sdk-core'
 import flatMap from 'lodash.flatmap'
 import { useMemo } from 'react'
 
-import { BASES_TO_CHECK_TRADES_AGAINST, CUSTOM_BASES, BETTER_TRADE_LESS_HOPS_THRESHOLD } from '../constants'
+import {
+  BASES_TO_CHECK_TRADES_AGAINST,
+  CUSTOM_BASES,
+  BETTER_TRADE_LESS_HOPS_THRESHOLD,
+  ADDITIONAL_BASES,
+} from '../constants'
 import { PairState, usePairs } from '../data/V2'
 import { wrappedCurrency } from '../utils/wrappedCurrency'
 
@@ -15,17 +20,22 @@ import { useUserSingleHopOnly } from 'state/user/hooks'
 function useAllCommonPairs(currencyA?: Currency, currencyB?: Currency): Pair[] {
   const { chainId } = useActiveWeb3React()
 
-  const bases: Token[] = useMemo(() => (chainId ? BASES_TO_CHECK_TRADES_AGAINST[chainId] : []), [chainId])
-
   const [tokenA, tokenB] = chainId
     ? [wrappedCurrency(currencyA, chainId), wrappedCurrency(currencyB, chainId)]
     : [undefined, undefined]
 
+  const bases: Token[] = useMemo(() => {
+    if (!chainId) return []
+
+    const common = BASES_TO_CHECK_TRADES_AGAINST[chainId] ?? []
+    const additionalA = tokenA ? ADDITIONAL_BASES[chainId]?.[tokenA.address] ?? [] : []
+    const additionalB = tokenB ? ADDITIONAL_BASES[chainId]?.[tokenB.address] ?? [] : []
+
+    return [...common, ...additionalA, ...additionalB]
+  }, [chainId, tokenA, tokenB])
+
   const basePairs: [Token, Token][] = useMemo(
-    () =>
-      flatMap(bases, (base): [Token, Token][] => bases.map((otherBase) => [base, otherBase])).filter(
-        ([t0, t1]) => t0.address !== t1.address
-      ),
+    () => flatMap(bases, (base): [Token, Token][] => bases.map((otherBase) => [base, otherBase])),
     [bases]
   )
 
@@ -47,10 +57,9 @@ function useAllCommonPairs(currencyA?: Currency, currencyB?: Currency): Pair[] {
             .filter(([tokenA, tokenB]) => {
               if (!chainId) return true
               const customBases = CUSTOM_BASES[chainId]
-              if (!customBases) return true
 
-              const customBasesA: Token[] | undefined = customBases[tokenA.address]
-              const customBasesB: Token[] | undefined = customBases[tokenB.address]
+              const customBasesA: Token[] | undefined = customBases?.[tokenA.address]
+              const customBasesB: Token[] | undefined = customBases?.[tokenB.address]
 
               if (!customBasesA && !customBasesB) 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
@@ -79,3 +86,5 @@ ReactDOM.render(
   </StrictMode>,
   document.getElementById('root')
 )
+
+serviceWorkerRegistration.unregister()

src/service-worker.ts

+/// <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

+// 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

@@ -38,7 +38,7 @@ function fetchClaim(account: string, chainId: ChainId): Promise<UserClaimData |
       },
       method: 'POST',
     })
-      .then((res) => (res.ok ? res.json() : console.debug(`No claim for account ${formatted} on chain ID ${chainId}`)))
+      .then((res) => (res.ok ? res.json() : console.log(`No claim for account ${formatted} on chain ID ${chainId}`)))
       .catch((error) => console.error('Failed to get claim data', error)))
 }
 

src/state/lists/updater.ts

@@ -55,6 +55,16 @@ 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

 import { ChainId, Token } from '@uniswap/sdk-core'
 import { Pair } from '@uniswap/v2-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'
@@ -93,10 +92,6 @@ 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]