build: upgrade ethers@5.7.2, smart-order-router@3.6.0, widgets@2.43.2 (#5958)

* build: upgrade ethers@5.7.2

* fix: use namehash directly

* fix: TS7030

* build: upgrade widgets version and smart-order-router (#6053)

* upgrade widgets

* build: dedup router packages

---------
Co-authored-by: Zach Pomerantz <zzmp@uniswap.org>

* chore: remove deprecated chains (#6054)

* start

* more

* more

* more

* use SupportedChainId from sdk

* add support for arbitrum goerli

* add arbitrum_goerli to jsonrpc list

* local sdk-core

* Revert "add arbitrum_goerli to jsonrpc list"

This reverts commit 51b29764f55685fc2f29a0366725ed7ba4b3bde6.

* add local chain ids

* Revert "add support for arbitrum goerli"

This reverts commit 46cdd15543170d76f816eacb932d325a6cca98a6.

* rm arb goerli in supported chain ids

* autofix

* fix import

* fix import

* fix import

* move back down for sdk-core

* use the supportedchainid

* add-types

* comment

---------
Co-authored-by: Jordan Frankfurt <jordanwfrankfurt@gmail.com>

* combine

---------
Co-authored-by: Vignesh Mohankumar <vignesh@vigneshmohankumar.com>
Co-authored-by: Vignesh Mohankumar <me@vig.xyz>
Co-authored-by: Jordan Frankfurt <jordanwfrankfurt@gmail.com>

package.json

@@ -143,7 +143,7 @@
     "@uniswap/redux-multicall": "^1.1.8",
     "@uniswap/router-sdk": "^1.3.0",
     "@uniswap/sdk-core": "^3.0.1",
-    "@uniswap/smart-order-router": "^2.10.0",
+    "@uniswap/smart-order-router": "^3.6.0",
     "@uniswap/token-lists": "^1.0.0-beta.30",
     "@uniswap/universal-router-sdk": "^1.3.6",
     "@uniswap/v2-core": "1.0.0",
@@ -152,7 +152,7 @@
     "@uniswap/v3-core": "1.0.0",
     "@uniswap/v3-periphery": "^1.1.1",
     "@uniswap/v3-sdk": "^3.9.0",
-    "@uniswap/widgets": "^2.40.0",
+    "@uniswap/widgets": "^2.43.2",
     "@vanilla-extract/css": "^1.7.2",
     "@vanilla-extract/css-utils": "^0.1.2",
     "@vanilla-extract/dynamic": "^2.0.2",
@@ -181,7 +181,7 @@
     "clsx": "^1.1.1",
     "copy-to-clipboard": "^3.2.0",
     "d3": "^7.6.1",
-    "ethers": "^5.1.4",
+    "ethers": "^5.7.2",
     "firebase": "^9.1.3",
     "focus-visible": "^5.2.0",
     "get-graphql-schema": "^2.1.2",

src/components/NetworkAlert/NetworkAlert.tsx

@@ -32,7 +32,6 @@ const SHOULD_SHOW_ALERT = {
   [SupportedChainId.OPTIMISM]: true,
   [SupportedChainId.OPTIMISM_GOERLI]: true,
   [SupportedChainId.ARBITRUM_ONE]: true,
-  [SupportedChainId.ARBITRUM_RINKEBY]: true,
   [SupportedChainId.POLYGON]: true,
   [SupportedChainId.POLYGON_MUMBAI]: true,
   [SupportedChainId.CELO]: true,
@@ -59,8 +58,6 @@ const BG_COLORS_BY_DARK_MODE_AND_CHAIN_ID: {
       'radial-gradient(948% 292% at 42% 0%, rgba(255, 58, 212, 0.04) 0%, rgba(255, 255, 255, 0.04) 100%),radial-gradient(98% 96% at 2% 0%, rgba(255, 39, 39, 0.04) 0%, rgba(235, 0, 255, 0.01 96%)',
     [SupportedChainId.ARBITRUM_ONE]:
       'radial-gradient(285% 8200% at 30% 50%, rgba(40, 160, 240, 0.01) 0%, rgba(219, 255, 0, 0) 100%),radial-gradient(75% 75% at 0% 0%, rgba(150, 190, 220, 0.05) 0%, rgba(33, 114, 229, 0.05) 100%), hsla(0, 0%, 100%, 0.05)',
-    [SupportedChainId.ARBITRUM_RINKEBY]:
-      'radial-gradient(285% 8200% at 30% 50%, rgba(40, 160, 240, 0.05) 0%, rgba(219, 255, 0, 0) 100%),radial-gradient(75% 75% at 0% 0%, rgba(150, 190, 220, 0.05) 0%, rgba(33, 114, 229, 0.1) 100%), hsla(0, 0%, 100%, 0.05)',
   },
   light: {
     [SupportedChainId.POLYGON]:
@@ -77,8 +74,6 @@ const BG_COLORS_BY_DARK_MODE_AND_CHAIN_ID: {
       'radial-gradient(92% 105% at 50% 7%, rgba(255, 58, 212, 0.04) 0%, rgba(255, 255, 255, 0.03) 100%),radial-gradient(100% 97% at 0% 12%, rgba(235, 0, 255, 0.1) 0%, rgba(243, 19, 19, 0.1) 100%), hsla(0, 0%, 100%, 0.1)',
     [SupportedChainId.ARBITRUM_ONE]:
       'radial-gradient(285% 8200% at 30% 50%, rgba(40, 160, 240, 0.1) 0%, rgba(219, 255, 0, 0) 100%),radial-gradient(circle at top left, hsla(206, 50%, 75%, 0.01), hsla(215, 79%, 51%, 0.12)), hsla(0, 0%, 100%, 0.1)',
-    [SupportedChainId.ARBITRUM_RINKEBY]:
-      'radial-gradient(285% 8200% at 30% 50%, rgba(40, 160, 240, 0.1) 0%, rgba(219, 255, 0, 0) 100%),radial-gradient(circle at top left, hsla(206, 50%, 75%, 0.01), hsla(215, 79%, 51%, 0.12)), hsla(0, 0%, 100%, 0.1)',
   },
 }
 
@@ -137,7 +132,6 @@ const TEXT_COLORS: { [chainId in NetworkAlertChains]: string } = {
   [SupportedChainId.OPTIMISM]: '#ff3856',
   [SupportedChainId.OPTIMISM_GOERLI]: '#ff3856',
   [SupportedChainId.ARBITRUM_ONE]: '#0490ed',
-  [SupportedChainId.ARBITRUM_RINKEBY]: '#0490ed',
 }
 
 function shouldShowAlert(chainId: number | undefined): chainId is NetworkAlertChains {

src/components/Tokens/TokenDetails/About.tsx

 import { Trans } from '@lingui/macro'
-import { SupportedChainId } from '@uniswap/sdk-core'
 import { getChainInfo } from 'constants/chainInfo'
+import { SupportedChainId } from 'constants/chains'
 import { darken } from 'polished'
 import { useState } from 'react'
 import styled from 'styled-components/macro'

src/components/Tokens/TokenDetails/BalanceSummary.tsx

 import { Trans } from '@lingui/macro'
 import { formatCurrencyAmount, NumberType } from '@uniswap/conedison/format'
-import { Currency, SupportedChainId } from '@uniswap/sdk-core'
+import { Currency } from '@uniswap/sdk-core'
 import { useWeb3React } from '@web3-react/core'
 import CurrencyLogo from 'components/Logo/CurrencyLogo'
 import { getChainInfo } from 'constants/chainInfo'
+import { SupportedChainId } from 'constants/chains'
 import { isSupportedChain } from 'constants/chains'
 import { useStablecoinValue } from 'hooks/useStablecoinPrice'
 import useCurrencyBalance from 'lib/hooks/useCurrencyBalance'

src/constants/addresses.ts

 import { FACTORY_ADDRESS as V2_FACTORY_ADDRESS } from '@uniswap/v2-sdk'
 import { FACTORY_ADDRESS as V3_FACTORY_ADDRESS } from '@uniswap/v3-sdk'
+import { SupportedChainId } from 'constants/chains'
 
 import { constructSameAddressMap } from '../utils/constructSameAddressMap'
-import { SupportedChainId } from './chains'
 
 type AddressMap = { [chainId: number]: string }
 
@@ -28,7 +28,6 @@ export const V3_CORE_FACTORY_ADDRESSES: AddressMap = {
     SupportedChainId.OPTIMISM,
     SupportedChainId.OPTIMISM_GOERLI,
     SupportedChainId.ARBITRUM_ONE,
-    SupportedChainId.ARBITRUM_RINKEBY,
     SupportedChainId.POLYGON_MUMBAI,
     SupportedChainId.POLYGON,
   ]),
@@ -39,7 +38,6 @@ export const V3_CORE_FACTORY_ADDRESSES: AddressMap = {
 export const V3_MIGRATOR_ADDRESSES: AddressMap = {
   ...constructSameAddressMap('0xA5644E29708357803b5A882D272c41cC0dF92B34', [
     SupportedChainId.ARBITRUM_ONE,
-    SupportedChainId.ARBITRUM_RINKEBY,
     SupportedChainId.POLYGON_MUMBAI,
     SupportedChainId.POLYGON,
   ]),
@@ -55,7 +53,6 @@ export const MULTICALL_ADDRESS: AddressMap = {
     SupportedChainId.POLYGON,
   ]),
   [SupportedChainId.ARBITRUM_ONE]: '0xadF885960B47eA2CD9B55E6DAc6B42b7Cb2806dB',
-  [SupportedChainId.ARBITRUM_RINKEBY]: '0xa501c031958F579dB7676fF1CE78AD305794d579',
   [SupportedChainId.CELO]: CELO_MULTICALL_ADDRESS,
   [SupportedChainId.CELO_ALFAJORES]: CELO_MULTICALL_ADDRESS,
 }
@@ -65,7 +62,6 @@ export const SWAP_ROUTER_ADDRESSES: AddressMap = {
     SupportedChainId.OPTIMISM,
     SupportedChainId.OPTIMISM_GOERLI,
     SupportedChainId.ARBITRUM_ONE,
-    SupportedChainId.ARBITRUM_RINKEBY,
     SupportedChainId.POLYGON,
     SupportedChainId.POLYGON_MUMBAI,
   ]),
@@ -107,7 +103,6 @@ export const QUOTER_ADDRESSES: AddressMap = {
     SupportedChainId.OPTIMISM,
     SupportedChainId.OPTIMISM_GOERLI,
     SupportedChainId.ARBITRUM_ONE,
-    SupportedChainId.ARBITRUM_RINKEBY,
     SupportedChainId.POLYGON_MUMBAI,
     SupportedChainId.POLYGON,
   ]),
@@ -120,7 +115,6 @@ export const NONFUNGIBLE_POSITION_MANAGER_ADDRESSES: AddressMap = {
     SupportedChainId.OPTIMISM,
     SupportedChainId.OPTIMISM_GOERLI,
     SupportedChainId.ARBITRUM_ONE,
-    SupportedChainId.ARBITRUM_RINKEBY,
     SupportedChainId.POLYGON_MUMBAI,
     SupportedChainId.POLYGON,
   ]),
@@ -130,9 +124,7 @@ export const NONFUNGIBLE_POSITION_MANAGER_ADDRESSES: AddressMap = {
 
 export const ENS_REGISTRAR_ADDRESSES: AddressMap = {
   [SupportedChainId.MAINNET]: '0x00000000000C2E074eC69A0dFb2997BA6C7d2e1e',
-  [SupportedChainId.ROPSTEN]: '0x00000000000C2E074eC69A0dFb2997BA6C7d2e1e',
   [SupportedChainId.GOERLI]: '0x00000000000C2E074eC69A0dFb2997BA6C7d2e1e',
-  [SupportedChainId.RINKEBY]: '0x00000000000C2E074eC69A0dFb2997BA6C7d2e1e',
 }
 
 export const SOCKS_CONTROLLER_ADDRESSES: AddressMap = {
@@ -141,7 +133,6 @@ export const SOCKS_CONTROLLER_ADDRESSES: AddressMap = {
 
 export const TICK_LENS_ADDRESSES: AddressMap = {
   [SupportedChainId.ARBITRUM_ONE]: '0xbfd8137f7d1516D3ea5cA83523914859ec47F573',
-  [SupportedChainId.ARBITRUM_RINKEBY]: '0xbfd8137f7d1516D3ea5cA83523914859ec47F573',
   [SupportedChainId.CELO]: CELO_TICK_LENS_ADDRESSES,
   [SupportedChainId.CELO_ALFAJORES]: CELO_TICK_LENS_ADDRESSES,
 }

src/constants/chainInfo.ts

@@ -5,10 +5,11 @@ import { default as arbitrumCircleLogoUrl, default as arbitrumLogoUrl } from 'as
 import celoLogo from 'assets/svg/celo_logo.svg'
 import optimismLogoUrl from 'assets/svg/optimistic_ethereum.svg'
 import polygonMaticLogo from 'assets/svg/polygon-matic-logo.svg'
+import { SupportedChainId } from 'constants/chains'
 import ms from 'ms.macro'
 import { darkTheme } from 'theme/colors'
 
-import { SupportedChainId, SupportedL1ChainId, SupportedL2ChainId } from './chains'
+import { SupportedL1ChainId, SupportedL2ChainId } from './chains'
 import { ARBITRUM_LIST, CELO_LIST, OPTIMISM_LIST } from './lists'
 
 export const AVERAGE_L1_BLOCK_TIME = ms`12s`
@@ -64,36 +65,6 @@ const CHAIN_INFO: ChainInfoMap = {
     nativeCurrency: { name: 'Ether', symbol: 'ETH', decimals: 18 },
     color: darkTheme.chain_1,
   },
-  [SupportedChainId.RINKEBY]: {
-    networkType: NetworkType.L1,
-    docs: 'https://docs.uniswap.org/',
-    explorer: 'https://rinkeby.etherscan.io/',
-    infoLink: 'https://info.uniswap.org/#/',
-    label: 'Rinkeby',
-    logoUrl: ethereumLogoUrl,
-    nativeCurrency: { name: 'Rinkeby Ether', symbol: 'rETH', decimals: 18 },
-    color: darkTheme.chain_4,
-  },
-  [SupportedChainId.ROPSTEN]: {
-    networkType: NetworkType.L1,
-    docs: 'https://docs.uniswap.org/',
-    explorer: 'https://ropsten.etherscan.io/',
-    infoLink: 'https://info.uniswap.org/#/',
-    label: 'Ropsten',
-    logoUrl: ethereumLogoUrl,
-    nativeCurrency: { name: 'Ropsten Ether', symbol: 'ropETH', decimals: 18 },
-    color: darkTheme.chain_3,
-  },
-  [SupportedChainId.KOVAN]: {
-    networkType: NetworkType.L1,
-    docs: 'https://docs.uniswap.org/',
-    explorer: 'https://kovan.etherscan.io/',
-    infoLink: 'https://info.uniswap.org/#/',
-    label: 'Kovan',
-    logoUrl: ethereumLogoUrl,
-    nativeCurrency: { name: 'Kovan Ether', symbol: 'kovETH', decimals: 18 },
-    color: darkTheme.chain_420,
-  },
   [SupportedChainId.GOERLI]: {
     networkType: NetworkType.L1,
     docs: 'https://docs.uniswap.org/',
@@ -153,20 +124,6 @@ const CHAIN_INFO: ChainInfoMap = {
     color: darkTheme.chain_42,
     backgroundColor: darkTheme.chain_42161_background,
   },
-  [SupportedChainId.ARBITRUM_RINKEBY]: {
-    networkType: NetworkType.L2,
-    blockWaitMsBeforeWarning: ms`10m`,
-    bridge: 'https://bridge.arbitrum.io/',
-    docs: 'https://offchainlabs.com/',
-    explorer: 'https://rinkeby-explorer.arbitrum.io/',
-    infoLink: 'https://info.uniswap.org/#/arbitrum/',
-    label: 'Arbitrum Rinkeby',
-    logoUrl: arbitrumLogoUrl,
-    defaultListUrl: ARBITRUM_LIST,
-    helpCenterUrl: 'https://help.uniswap.org/en/collections/3137787-uniswap-on-arbitrum',
-    nativeCurrency: { name: 'Rinkeby Arbitrum Ether', symbol: 'rinkArbETH', decimals: 18 },
-    color: darkTheme.chain_421611,
-  },
   [SupportedChainId.POLYGON]: {
     networkType: NetworkType.L1,
     blockWaitMsBeforeWarning: ms`10m`,

src/constants/chains.ts

 /**
  * List of all the networks supported by the Uniswap Interface
+ * TODO(INFRA-90): Eventually this may be derived from sdk-core.
  */
 export enum SupportedChainId {
   MAINNET = 1,
-  ROPSTEN = 3,
-  RINKEBY = 4,
   GOERLI = 5,
-  KOVAN = 42,
 
   ARBITRUM_ONE = 42161,
-  ARBITRUM_RINKEBY = 421611,
 
   OPTIMISM = 10,
   OPTIMISM_GOERLI = 420,
@@ -23,16 +20,12 @@ export enum SupportedChainId {
 
 export const CHAIN_IDS_TO_NAMES = {
   [SupportedChainId.MAINNET]: 'mainnet',
-  [SupportedChainId.ROPSTEN]: 'ropsten',
-  [SupportedChainId.RINKEBY]: 'rinkeby',
   [SupportedChainId.GOERLI]: 'goerli',
-  [SupportedChainId.KOVAN]: 'kovan',
   [SupportedChainId.POLYGON]: 'polygon',
   [SupportedChainId.POLYGON_MUMBAI]: 'polygon_mumbai',
   [SupportedChainId.CELO]: 'celo',
   [SupportedChainId.CELO_ALFAJORES]: 'celo_alfajores',
   [SupportedChainId.ARBITRUM_ONE]: 'arbitrum',
-  [SupportedChainId.ARBITRUM_RINKEBY]: 'arbitrum_rinkeby',
   [SupportedChainId.OPTIMISM]: 'optimism',
   [SupportedChainId.OPTIMISM_GOERLI]: 'optimism_goerli',
 }
@@ -66,12 +59,8 @@ export const UNSUPPORTED_V2POOL_CHAIN_IDS = [
 ]
 
 export const TESTNET_CHAIN_IDS = [
-  SupportedChainId.ROPSTEN,
-  SupportedChainId.RINKEBY,
   SupportedChainId.GOERLI,
-  SupportedChainId.KOVAN,
   SupportedChainId.POLYGON_MUMBAI,
-  SupportedChainId.ARBITRUM_RINKEBY,
   SupportedChainId.OPTIMISM_GOERLI,
 ] as const
 
@@ -82,10 +71,7 @@ export type SupportedTestnetChainId = typeof TESTNET_CHAIN_IDS[number]
  */
 export const L1_CHAIN_IDS = [
   SupportedChainId.MAINNET,
-  SupportedChainId.ROPSTEN,
-  SupportedChainId.RINKEBY,
   SupportedChainId.GOERLI,
-  SupportedChainId.KOVAN,
   SupportedChainId.POLYGON,
   SupportedChainId.POLYGON_MUMBAI,
   SupportedChainId.CELO,
@@ -100,7 +86,6 @@ export type SupportedL1ChainId = typeof L1_CHAIN_IDS[number]
  */
 export const L2_CHAIN_IDS = [
   SupportedChainId.ARBITRUM_ONE,
-  SupportedChainId.ARBITRUM_RINKEBY,
   SupportedChainId.OPTIMISM,
   SupportedChainId.OPTIMISM_GOERLI,
 ] as const

src/constants/governance.ts

+import { SupportedChainId } from 'constants/chains'
+
 import {
   GOVERNANCE_ALPHA_V0_ADDRESSES,
   GOVERNANCE_ALPHA_V1_ADDRESSES,
@@ -5,7 +7,6 @@ import {
   TIMELOCK_ADDRESS,
   UNI_ADDRESS,
 } from './addresses'
-import { SupportedChainId } from './chains'
 
 export const COMMON_CONTRACT_NAMES: Record<number, { [address: string]: string }> = {
   [SupportedChainId.MAINNET]: {

src/constants/networks.ts

-import { SupportedChainId } from './chains'
+import { SupportedChainId } from 'constants/chains'
 
 const INFURA_KEY = process.env.REACT_APP_INFURA_KEY
 if (typeof INFURA_KEY === 'undefined') {
@@ -24,26 +24,12 @@ export const FALLBACK_URLS: { [key in SupportedChainId]: string[] } = {
     'https://rpc.ankr.com/eth',
     'https://eth-mainnet.public.blastapi.io',
   ],
-  [SupportedChainId.ROPSTEN]: [
-    // "Fallback" URLs
-    'https://rpc.ankr.com/eth_ropsten',
-  ],
-  [SupportedChainId.RINKEBY]: [
-    // "Fallback" URLs
-    'https://rinkeby-light.eth.linkpool.io/',
-  ],
   [SupportedChainId.GOERLI]: [
     // "Safe" URLs
     'https://rpc.goerli.mudit.blog/',
     // "Fallback" URLs
     'https://rpc.ankr.com/eth_goerli',
   ],
-  [SupportedChainId.KOVAN]: [
-    // "Safe" URLs
-    'https://kovan.poa.network',
-    // "Fallback" URLs
-    'https://eth-kovan.public.blastapi.io',
-  ],
   [SupportedChainId.POLYGON]: [
     // "Safe" URLs
     'https://polygon-rpc.com/',
@@ -65,10 +51,6 @@ export const FALLBACK_URLS: { [key in SupportedChainId]: string[] } = {
     // "Fallback" URLs
     'https://arbitrum.public-rpc.com',
   ],
-  [SupportedChainId.ARBITRUM_RINKEBY]: [
-    // "Safe" URLs
-    'https://rinkeby.arbitrum.io/rpc',
-  ],
   [SupportedChainId.OPTIMISM]: [
     // "Safe" URLs
     'https://mainnet.optimism.io/',
@@ -98,16 +80,7 @@ export const RPC_URLS: { [key in SupportedChainId]: string[] } = {
     `https://mainnet.infura.io/v3/${INFURA_KEY}`,
     ...FALLBACK_URLS[SupportedChainId.MAINNET],
   ],
-  [SupportedChainId.RINKEBY]: [
-    `https://rinkeby.infura.io/v3/${INFURA_KEY}`,
-    ...FALLBACK_URLS[SupportedChainId.RINKEBY],
-  ],
-  [SupportedChainId.ROPSTEN]: [
-    `https://ropsten.infura.io/v3/${INFURA_KEY}`,
-    ...FALLBACK_URLS[SupportedChainId.ROPSTEN],
-  ],
   [SupportedChainId.GOERLI]: [`https://goerli.infura.io/v3/${INFURA_KEY}`, ...FALLBACK_URLS[SupportedChainId.GOERLI]],
-  [SupportedChainId.KOVAN]: [`https://kovan.infura.io/v3/${INFURA_KEY}`, ...FALLBACK_URLS[SupportedChainId.KOVAN]],
   [SupportedChainId.OPTIMISM]: [
     `https://optimism-mainnet.infura.io/v3/${INFURA_KEY}`,
     ...FALLBACK_URLS[SupportedChainId.OPTIMISM],
@@ -120,10 +93,6 @@ export const RPC_URLS: { [key in SupportedChainId]: string[] } = {
     `https://arbitrum-mainnet.infura.io/v3/${INFURA_KEY}`,
     ...FALLBACK_URLS[SupportedChainId.ARBITRUM_ONE],
   ],
-  [SupportedChainId.ARBITRUM_RINKEBY]: [
-    `https://arbitrum-rinkeby.infura.io/v3/${INFURA_KEY}`,
-    ...FALLBACK_URLS[SupportedChainId.ARBITRUM_RINKEBY],
-  ],
   [SupportedChainId.POLYGON]: [
     `https://polygon-mainnet.infura.io/v3/${INFURA_KEY}`,
     ...FALLBACK_URLS[SupportedChainId.POLYGON],

src/constants/providers.ts

@@ -3,9 +3,10 @@ import { deepCopy } from '@ethersproject/properties'
 // eslint-disable-next-line @typescript-eslint/no-restricted-imports
 import { StaticJsonRpcProvider } from '@ethersproject/providers'
 import { isPlain } from '@reduxjs/toolkit'
+import { SupportedChainId } from 'constants/chains'
 
 import { AVERAGE_L1_BLOCK_TIME } from './chainInfo'
-import { CHAIN_IDS_TO_NAMES, SupportedChainId } from './chains'
+import { CHAIN_IDS_TO_NAMES } from './chains'
 import { RPC_URLS } from './networks'
 
 class AppJsonRpcProvider extends StaticJsonRpcProvider {
@@ -58,14 +59,10 @@ class AppJsonRpcProvider extends StaticJsonRpcProvider {
  */
 export const RPC_PROVIDERS: { [key in SupportedChainId]: StaticJsonRpcProvider } = {
   [SupportedChainId.MAINNET]: new AppJsonRpcProvider(SupportedChainId.MAINNET),
-  [SupportedChainId.RINKEBY]: new AppJsonRpcProvider(SupportedChainId.RINKEBY),
-  [SupportedChainId.ROPSTEN]: new AppJsonRpcProvider(SupportedChainId.ROPSTEN),
   [SupportedChainId.GOERLI]: new AppJsonRpcProvider(SupportedChainId.GOERLI),
-  [SupportedChainId.KOVAN]: new AppJsonRpcProvider(SupportedChainId.KOVAN),
   [SupportedChainId.OPTIMISM]: new AppJsonRpcProvider(SupportedChainId.OPTIMISM),
   [SupportedChainId.OPTIMISM_GOERLI]: new AppJsonRpcProvider(SupportedChainId.OPTIMISM_GOERLI),
   [SupportedChainId.ARBITRUM_ONE]: new AppJsonRpcProvider(SupportedChainId.ARBITRUM_ONE),
-  [SupportedChainId.ARBITRUM_RINKEBY]: new AppJsonRpcProvider(SupportedChainId.ARBITRUM_RINKEBY),
   [SupportedChainId.POLYGON]: new AppJsonRpcProvider(SupportedChainId.POLYGON),
   [SupportedChainId.POLYGON_MUMBAI]: new AppJsonRpcProvider(SupportedChainId.POLYGON_MUMBAI),
   [SupportedChainId.CELO]: new AppJsonRpcProvider(SupportedChainId.CELO),

src/constants/routing.ts

 // a list of tokens by chain
 import { Currency, Token } from '@uniswap/sdk-core'
+import { SupportedChainId } from 'constants/chains'
 
-import { SupportedChainId } from './chains'
 import {
   AMPL,
   CEUR_CELO,
@@ -122,22 +122,10 @@ export const COMMON_BASES: ChainCurrencyList = {
     WBTC,
     WRAPPED_NATIVE_CURRENCY[SupportedChainId.MAINNET] as Token,
   ],
-  [SupportedChainId.ROPSTEN]: [
-    nativeOnChain(SupportedChainId.ROPSTEN),
-    WRAPPED_NATIVE_CURRENCY[SupportedChainId.ROPSTEN] as Token,
-  ],
-  [SupportedChainId.RINKEBY]: [
-    nativeOnChain(SupportedChainId.RINKEBY),
-    WRAPPED_NATIVE_CURRENCY[SupportedChainId.RINKEBY] as Token,
-  ],
   [SupportedChainId.GOERLI]: [
     nativeOnChain(SupportedChainId.GOERLI),
     WRAPPED_NATIVE_CURRENCY[SupportedChainId.GOERLI] as Token,
   ],
-  [SupportedChainId.KOVAN]: [
-    nativeOnChain(SupportedChainId.KOVAN),
-    WRAPPED_NATIVE_CURRENCY[SupportedChainId.KOVAN] as Token,
-  ],
   [SupportedChainId.ARBITRUM_ONE]: [
     nativeOnChain(SupportedChainId.ARBITRUM_ONE),
     DAI_ARBITRUM_ONE,
@@ -146,10 +134,6 @@ export const COMMON_BASES: ChainCurrencyList = {
     WBTC_ARBITRUM_ONE,
     WRAPPED_NATIVE_CURRENCY[SupportedChainId.ARBITRUM_ONE] as Token,
   ],
-  [SupportedChainId.ARBITRUM_RINKEBY]: [
-    nativeOnChain(SupportedChainId.ARBITRUM_RINKEBY),
-    WRAPPED_NATIVE_CURRENCY[SupportedChainId.ARBITRUM_RINKEBY] as Token,
-  ],
   [SupportedChainId.OPTIMISM]: [
     nativeOnChain(SupportedChainId.OPTIMISM),
     DAI_OPTIMISM,

src/constants/tokens.ts

 import { Currency, Ether, NativeCurrency, Token, WETH9 } from '@uniswap/sdk-core'
+import { SupportedChainId } from 'constants/chains'
 import invariant from 'tiny-invariant'
 
 import { UNI_ADDRESS } from './addresses'
-import { SupportedChainId } from './chains'
 
 export const NATIVE_CHAIN_ID = 'NATIVE'
 
@@ -18,20 +18,6 @@ export const USDC_MAINNET = new Token(
   'USDC',
   'USD//C'
 )
-const USDC_ROPSTEN = new Token(
-  SupportedChainId.ROPSTEN,
-  '0x07865c6e87b9f70255377e024ace6630c1eaa37f',
-  6,
-  'USDC',
-  'USD//C'
-)
-const USDC_RINKEBY = new Token(
-  SupportedChainId.RINKEBY,
-  '0x4DBCdF9B62e891a7cec5A2568C3F4FAF9E8Abe2b',
-  6,
-  'tUSDC',
-  'test USD//C'
-)
 const USDC_GOERLI = new Token(
   SupportedChainId.GOERLI,
   '0x07865c6e87b9f70255377e024ace6630c1eaa37f',
@@ -39,7 +25,6 @@ const USDC_GOERLI = new Token(
   'USDC',
   'USD//C'
 )
-const USDC_KOVAN = new Token(SupportedChainId.KOVAN, '0x31eeb2d0f9b6fd8642914ab10f4dd473677d80df', 6, 'USDC', 'USD//C')
 export const USDC_OPTIMISM = new Token(
   SupportedChainId.OPTIMISM,
   '0x7F5c764cBc14f9669B88837ca1490cCa17c31607',
@@ -61,13 +46,6 @@ export const USDC_ARBITRUM = new Token(
   'USDC',
   'USD//C'
 )
-const USDC_ARBITRUM_RINKEBY = new Token(
-  SupportedChainId.ARBITRUM_RINKEBY,
-  '0x09b98f8b2395d076514037ff7d39a091a536206c',
-  6,
-  'USDC',
-  'USD//C'
-)
 export const USDC_POLYGON = new Token(
   SupportedChainId.POLYGON,
   '0x2791bca1f2de4661ed88a30c99a7a9449aa84174',
@@ -311,10 +289,7 @@ export const CEUR_CELO_ALFAJORES = new Token(
 
 export const UNI: { [chainId: number]: Token } = {
   [SupportedChainId.MAINNET]: new Token(SupportedChainId.MAINNET, UNI_ADDRESS[1], 18, 'UNI', 'Uniswap'),
-  [SupportedChainId.RINKEBY]: new Token(SupportedChainId.RINKEBY, UNI_ADDRESS[4], 18, 'UNI', 'Uniswap'),
-  [SupportedChainId.ROPSTEN]: new Token(SupportedChainId.ROPSTEN, UNI_ADDRESS[3], 18, 'UNI', 'Uniswap'),
   [SupportedChainId.GOERLI]: new Token(SupportedChainId.GOERLI, UNI_ADDRESS[5], 18, 'UNI', 'Uniswap'),
-  [SupportedChainId.KOVAN]: new Token(SupportedChainId.KOVAN, UNI_ADDRESS[42], 18, 'UNI', 'Uniswap'),
 }
 
 export const WRAPPED_NATIVE_CURRENCY: { [chainId: number]: Token | undefined } = {
@@ -340,13 +315,6 @@ export const WRAPPED_NATIVE_CURRENCY: { [chainId: number]: Token | undefined } =
     'WETH',
     'Wrapped Ether'
   ),
-  [SupportedChainId.ARBITRUM_RINKEBY]: new Token(
-    SupportedChainId.ARBITRUM_RINKEBY,
-    '0xB47e6A5f8b33b3F17603C83a0535A9dcD7E32681',
-    18,
-    'WETH',
-    'Wrapped Ether'
-  ),
   [SupportedChainId.POLYGON]: new Token(
     SupportedChainId.POLYGON,
     '0x0d500B1d8E8eF31E21C99d1Db9A6444d3ADf1270',
@@ -447,15 +415,11 @@ export const TOKEN_SHORTHANDS: { [shorthand: string]: { [chainId in SupportedCha
     [SupportedChainId.MAINNET]: USDC_MAINNET.address,
     [SupportedChainId.ARBITRUM_ONE]: USDC_ARBITRUM.address,
     [SupportedChainId.OPTIMISM]: USDC_OPTIMISM.address,
-    [SupportedChainId.ARBITRUM_RINKEBY]: USDC_ARBITRUM_RINKEBY.address,
     [SupportedChainId.OPTIMISM_GOERLI]: USDC_OPTIMISM_GOERLI.address,
     [SupportedChainId.POLYGON]: USDC_POLYGON.address,
     [SupportedChainId.POLYGON_MUMBAI]: USDC_POLYGON_MUMBAI.address,
     [SupportedChainId.CELO]: PORTAL_USDC_CELO.address,
     [SupportedChainId.CELO_ALFAJORES]: PORTAL_USDC_CELO.address,
     [SupportedChainId.GOERLI]: USDC_GOERLI.address,
-    [SupportedChainId.RINKEBY]: USDC_RINKEBY.address,
-    [SupportedChainId.KOVAN]: USDC_KOVAN.address,
-    [SupportedChainId.ROPSTEN]: USDC_ROPSTEN.address,
   },
 }

src/graphql/data/util.tsx

@@ -62,7 +62,6 @@ export const CHAIN_ID_TO_BACKEND_NAME: { [key: number]: Chain } = {
   [SupportedChainId.CELO]: Chain.Celo,
   [SupportedChainId.CELO_ALFAJORES]: Chain.Celo,
   [SupportedChainId.ARBITRUM_ONE]: Chain.Arbitrum,
-  [SupportedChainId.ARBITRUM_RINKEBY]: Chain.Arbitrum,
   [SupportedChainId.OPTIMISM]: Chain.Optimism,
   [SupportedChainId.OPTIMISM_GOERLI]: Chain.Optimism,
 }

src/graphql/thegraph/apollo.ts

@@ -5,7 +5,6 @@ import store, { AppState } from '../../state/index'
 
 const CHAIN_SUBGRAPH_URL: Record<number, string> = {
   [SupportedChainId.MAINNET]: 'https://api.thegraph.com/subgraphs/name/uniswap/uniswap-v3',
-  [SupportedChainId.RINKEBY]: 'https://api.thegraph.com/subgraphs/name/uniswap/uniswap-v3',
 
   [SupportedChainId.ARBITRUM_ONE]: 'https://api.thegraph.com/subgraphs/name/ianlapham/arbitrum-minimal',
 

src/hooks/useClientSideV3Trade.ts

@@ -13,7 +13,6 @@ import { useQuoter } from './useContract'
 
 const QUOTE_GAS_OVERRIDES: { [chainId: number]: number } = {
   [SupportedChainId.ARBITRUM_ONE]: 25_000_000,
-  [SupportedChainId.ARBITRUM_RINKEBY]: 25_000_000,
   [SupportedChainId.CELO]: 50_000_000,
   [SupportedChainId.CELO_ALFAJORES]: 50_000_000,
   [SupportedChainId.POLYGON]: 40_000_000,

src/hooks/useENSAddress.ts

+import { namehash } from '@ethersproject/hash'
 import { useSingleCallResult } from 'lib/hooks/multicall'
 import { useMemo } from 'react'
-import { safeNamehash } from 'utils/safeNamehash'
 
 import isZero from '../utils/isZero'
 import { useENSRegistrarContract, useENSResolverContract } from './useContract'
@@ -11,10 +11,7 @@ import useDebounce from './useDebounce'
  */
 export default function useENSAddress(ensName?: string | null): { loading: boolean; address: string | null } {
   const debouncedName = useDebounce(ensName, 200)
-  const ensNodeArgument = useMemo(
-    () => [debouncedName === null ? undefined : safeNamehash(debouncedName)],
-    [debouncedName]
-  )
+  const ensNodeArgument = useMemo(() => [debouncedName ? namehash(debouncedName) : undefined], [debouncedName])
   const registrarContract = useENSRegistrarContract(false)
   const resolverAddress = useSingleCallResult(registrarContract, 'resolver', ensNodeArgument)
   const resolverAddressResult = resolverAddress.result?.[0]

src/hooks/useENSAvatar.ts

@@ -5,7 +5,6 @@ import { useWeb3React } from '@web3-react/core'
 import { useSingleCallResult } from 'lib/hooks/multicall'
 import uriToHttp from 'lib/utils/uriToHttp'
 import { useEffect, useMemo, useState } from 'react'
-import { safeNamehash } from 'utils/safeNamehash'
 
 import { isAddress } from '../utils'
 import isZero from '../utils/isZero'
@@ -29,7 +28,7 @@ export default function useENSAvatar(
 
   const addressAvatar = useAvatarFromNode(node)
   const ENSName = useENSName(address).ENSName
-  const nameAvatar = useAvatarFromNode(ENSName === null ? undefined : safeNamehash(ENSName))
+  const nameAvatar = useAvatarFromNode(ENSName === null ? undefined : namehash(ENSName))
   let avatar = addressAvatar.avatar || nameAvatar.avatar
 
   const nftAvatar = useAvatarFromNFT(avatar, enforceOwnership)

src/hooks/useENSContentHash.ts

+import { namehash } from '@ethersproject/hash'
 import { useSingleCallResult } from 'lib/hooks/multicall'
 import { useMemo } from 'react'
-import { safeNamehash } from 'utils/safeNamehash'
 
 import isZero from '../utils/isZero'
 import { useENSRegistrarContract, useENSResolverContract } from './useContract'
@@ -9,7 +9,7 @@ import { useENSRegistrarContract, useENSResolverContract } from './useContract'
  * Does a lookup for an ENS name to find its contenthash.
  */
 export default function useENSContentHash(ensName?: string | null): { loading: boolean; contenthash: string | null } {
-  const ensNodeArgument = useMemo(() => [ensName === null ? undefined : safeNamehash(ensName)], [ensName])
+  const ensNodeArgument = useMemo(() => [ensName ? namehash(ensName) : undefined], [ensName])
   const registrarContract = useENSRegistrarContract(false)
   const resolverAddressResult = useSingleCallResult(registrarContract, 'resolver', ensNodeArgument)
   const resolverAddress = resolverAddressResult.result?.[0]

src/hooks/useERC20Permit.ts

@@ -3,6 +3,7 @@ import { splitSignature } from '@ethersproject/bytes'
 import { Trade } from '@uniswap/router-sdk'
 import { Currency, CurrencyAmount, Percent, TradeType } from '@uniswap/sdk-core'
 import { useWeb3React } from '@web3-react/core'
+import { SupportedChainId } from 'constants/chains'
 import JSBI from 'jsbi'
 import { useSingleCallResult } from 'lib/hooks/multicall'
 import { useMemo, useState } from 'react'
@@ -33,24 +34,13 @@ const PERMITTABLE_TOKENS: {
     [checksummedTokenAddress: string]: PermitInfo
   }
 } = {
-  1: {
+  [SupportedChainId.MAINNET]: {
     [USDC_MAINNET.address]: { type: PermitType.AMOUNT, name: 'USD Coin', version: '2' },
     [DAI.address]: { type: PermitType.ALLOWED, name: 'Dai Stablecoin', version: '1' },
-    [UNI[1].address]: { type: PermitType.AMOUNT, name: 'Uniswap' },
+    [UNI[SupportedChainId.MAINNET].address]: { type: PermitType.AMOUNT, name: 'Uniswap' },
   },
-  4: {
-    '0xc7AD46e0b8a400Bb3C915120d284AafbA8fc4735': { type: PermitType.ALLOWED, name: 'Dai Stablecoin', version: '1' },
-    [UNI[4].address]: { type: PermitType.AMOUNT, name: 'Uniswap' },
-  },
-  3: {
-    [UNI[3].address]: { type: PermitType.AMOUNT, name: 'Uniswap' },
-    '0x07865c6E87B9F70255377e024ace6630C1Eaa37F': { type: PermitType.AMOUNT, name: 'USD Coin', version: '2' },
-  },
-  5: {
-    [UNI[5].address]: { type: PermitType.AMOUNT, name: 'Uniswap' },
-  },
-  42: {
-    [UNI[42].address]: { type: PermitType.AMOUNT, name: 'Uniswap' },
+  [SupportedChainId.GOERLI]: {
+    [UNI[SupportedChainId.GOERLI].address]: { type: PermitType.AMOUNT, name: 'Uniswap' },
   },
 }
 

src/hooks/usePoolTickData.ts

@@ -15,7 +15,7 @@ import { useTickLens } from './useContract'
 import { PoolState, usePool } from './usePools'
 
 const PRICE_FIXED_DIGITS = 8
-const CHAIN_IDS_MISSING_SUBGRAPH_DATA = [SupportedChainId.ARBITRUM_ONE, SupportedChainId.ARBITRUM_RINKEBY]
+const CHAIN_IDS_MISSING_SUBGRAPH_DATA = [SupportedChainId.ARBITRUM_ONE]
 
 // Tick with fields parsed to JSBIs, and active liquidity computed.
 export interface TickProcessed {

src/hooks/useStablecoinPrice.ts

 import { Currency, CurrencyAmount, Price, Token, TradeType } from '@uniswap/sdk-core'
 import { useWeb3React } from '@web3-react/core'
+import { SupportedChainId } from 'constants/chains'
 import tryParseCurrencyAmount from 'lib/utils/tryParseCurrencyAmount'
 import { useMemo, useRef } from 'react'
 import { RouterPreference } from 'state/routing/slice'
 import { useRoutingAPITrade } from 'state/routing/useRoutingAPITrade'
 
-import { SupportedChainId } from '../constants/chains'
 import { CUSD_CELO, DAI_OPTIMISM, USDC_ARBITRUM, USDC_MAINNET, USDC_POLYGON } from '../constants/tokens'
 
 // Stablecoin amounts used when calculating spot price for a given currency.

src/lib/hooks/transactions/updater.tsx

@@ -32,7 +32,6 @@ export function shouldCheck(lastBlockNumber: number, tx: Transaction): boolean {
 
 const RETRY_OPTIONS_BY_CHAIN_ID: { [chainId: number]: RetryOptions } = {
   [SupportedChainId.ARBITRUM_ONE]: { n: 10, minWait: 250, maxWait: 1000 },
-  [SupportedChainId.ARBITRUM_RINKEBY]: { n: 10, minWait: 250, maxWait: 1000 },
   [SupportedChainId.OPTIMISM_GOERLI]: { n: 10, minWait: 250, maxWait: 1000 },
   [SupportedChainId.OPTIMISM]: { n: 10, minWait: 250, maxWait: 1000 },
 }

src/state/governance/hooks.ts

@@ -16,6 +16,7 @@ import {
   GOVERNANCE_ALPHA_V1_ADDRESSES,
   GOVERNANCE_BRAVO_ADDRESSES,
 } from 'constants/addresses'
+import { SupportedChainId } from 'constants/chains'
 import { LATEST_GOVERNOR_INDEX } from 'constants/governance'
 import { POLYGON_PROPOSAL_TITLE } from 'constants/proposals/polygon_proposal_title'
 import { UNISWAP_GRANTS_PROPOSAL_DESCRIPTION } from 'constants/proposals/uniswap_grants_proposal_description'
@@ -24,7 +25,6 @@ import { useSingleCallResult, useSingleContractMultipleData } from 'lib/hooks/mu
 import { useCallback, useMemo } from 'react'
 import { calculateGasMargin } from 'utils/calculateGasMargin'
 
-import { SupportedChainId } from '../../constants/chains'
 import {
   BRAVO_START_BLOCK,
   MOONBEAN_START_BLOCK,

src/theme/components/RadialGradientByChainUpdater.ts

 import { useWeb3React } from '@web3-react/core'
+import { SupportedChainId } from 'constants/chains'
 import { useIsNftPage } from 'hooks/useIsNftPage'
 import { useEffect } from 'react'
 import { useDarkModeManager } from 'state/user/hooks'
 
-import { SupportedChainId } from '../../constants/chains'
 import { darkTheme, lightTheme } from '../colors'
 
 const initialStyles = {
@@ -47,8 +47,7 @@ export default function RadialGradientByChainUpdater(): null {
     }
 
     switch (chainId) {
-      case SupportedChainId.ARBITRUM_ONE:
-      case SupportedChainId.ARBITRUM_RINKEBY: {
+      case SupportedChainId.ARBITRUM_ONE: {
         setBackground(backgroundResetStyles)
         const arbitrumLightGradient =
           'radial-gradient(100% 100% at 50% 0%, rgba(205, 232, 251, 0.7) 0%, rgba(252, 243, 249, 0.6536) 49.48%, rgba(255, 255, 255, 0) 100%), #FFFFFF'

src/utils/anonymizeLink.test.ts

@@ -11,26 +11,18 @@ describe('#anonymizeLink', () => {
     expect(anonymizeLink('https://goerli.etherscan.io/address/0xabcd')).toEqual(
       'https://goerli.etherscan.io/address/***'
     )
-    expect(anonymizeLink('https://ropsten.etherscan.io/address/0xabcd')).toEqual(
-      'https://ropsten.etherscan.io/address/***'
-    )
   })
   it('anonymizes hashes in the middle of the url', () => {
-    expect(anonymizeLink('https://ropsten.etherscan.io/address/0xabcd/test')).toEqual(
-      'https://ropsten.etherscan.io/address/***/test'
+    expect(anonymizeLink('https://goerli.etherscan.io/address/0xabcd/test')).toEqual(
+      'https://goerli.etherscan.io/address/***/test'
     )
   })
   it('does not anonymize 0x', () => {
-    expect(anonymizeLink('https://ropsten.etherscan.io/address/0x/test')).toEqual(
-      'https://ropsten.etherscan.io/address/0x/test'
+    expect(anonymizeLink('https://goerli.etherscan.io/address/0x/test')).toEqual(
+      'https://goerli.etherscan.io/address/0x/test'
     )
   })
   it('works for arbitrum urls', () => {
     expect(anonymizeLink('https://arbiscan.io/0x/0xabc')).toEqual('https://arbiscan.io/0x/***')
   })
-  it('works for arbitrum rinkeby urls', () => {
-    expect(anonymizeLink('https://rinkeby-explorer.arbitrum.io/0x/0xabc')).toEqual(
-      'https://rinkeby-explorer.arbitrum.io/0x/***'
-    )
-  })
 })

src/utils/anonymizeLink.ts

 const EXPLORER_HOSTNAMES: { [hostname: string]: true } = {
   'etherscan.io': true,
-  'ropsten.etherscan.io': true,
-  'rinkeby.etherscan.io': true,
-  'kovan.etherscan.io': true,
   'goerli.etherscan.io': true,
   'optimistic.etherscan.io': true,
   'goerli-optimism.etherscan.io': true,
-  'rinkeby-explorer.arbitrum.io': true,
   'arbiscan.io': true,
 }
 

src/utils/constructSameAddressMap.ts

-import { SupportedChainId } from '../constants/chains'
+import { SupportedChainId } from 'constants/chains'
 
-const DEFAULT_NETWORKS = [
-  SupportedChainId.MAINNET,
-  SupportedChainId.ROPSTEN,
-  SupportedChainId.RINKEBY,
-  SupportedChainId.GOERLI,
-  SupportedChainId.KOVAN,
-]
+const DEFAULT_NETWORKS = [SupportedChainId.MAINNET, SupportedChainId.GOERLI]
 
 export function constructSameAddressMap<T extends string>(
   address: T,

src/utils/getExplorerLink.ts

-import { SupportedChainId } from '../constants/chains'
+import { SupportedChainId } from 'constants/chains'
 
 const BLOCK_EXPLORER_PREFIXES: { [chainId: number]: string } = {
   [SupportedChainId.MAINNET]: 'https://etherscan.io',
-  [SupportedChainId.ROPSTEN]: 'https://ropsten.etherscan.io',
-  [SupportedChainId.RINKEBY]: 'https://rinkeby.etherscan.io',
   [SupportedChainId.GOERLI]: 'https://goerli.etherscan.io',
-  [SupportedChainId.KOVAN]: 'https://kovan.etherscan.io',
   [SupportedChainId.OPTIMISM]: 'https://optimistic.etherscan.io',
   [SupportedChainId.OPTIMISM_GOERLI]: 'https://goerli-optimism.etherscan.io',
   [SupportedChainId.POLYGON]: 'https://polygonscan.com',
@@ -42,20 +39,6 @@ export function getExplorerLink(chainId: number, data: string, type: ExplorerDat
     }
   }
 
-  if (chainId === SupportedChainId.ARBITRUM_RINKEBY) {
-    switch (type) {
-      case ExplorerDataType.TRANSACTION:
-        return `https://rinkeby-explorer.arbitrum.io/tx/${data}`
-      case ExplorerDataType.ADDRESS:
-      case ExplorerDataType.TOKEN:
-        return `https://rinkeby-explorer.arbitrum.io/address/${data}`
-      case ExplorerDataType.BLOCK:
-        return `https://rinkeby-explorer.arbitrum.io/block/${data}`
-      default:
-        return `https://rinkeby-explorer.arbitrum.io/`
-    }
-  }
-
   const prefix = BLOCK_EXPLORER_PREFIXES[chainId] ?? 'https://etherscan.io'
 
   switch (type) {

src/utils/safeNamehash.test.ts

-import { namehash } from '@ethersproject/hash'
-
-import { safeNamehash } from './safeNamehash'
-
-describe('#safeNamehash', () => {
-  const emoji = '🤔'
-
-  it('#namehash fails', () => {
-    expect(() => namehash(emoji)).toThrow('STRINGPREP_CONTAINS_UNASSIGNED')
-  })
-
-  // suppress console.debug for the next test
-  beforeEach(() => {
-    // eslint-disable-next-line @typescript-eslint/no-empty-function
-    jest.spyOn(console, 'debug').mockImplementation(() => {})
-  })
-
-  it('works', () => {
-    expect(safeNamehash(emoji)).toEqual(undefined)
-  })
-})

src/utils/safeNamehash.ts

-import { namehash } from '@ethersproject/hash'
-
-export function safeNamehash(name?: string): string | undefined {
-  if (name === undefined) return undefined
-
-  try {
-    return namehash(name)
-  } catch (error) {
-    console.debug(error)
-    return undefined
-  }
-}

src/utils/supportedChainId.ts

-import { SupportedChainId } from '../constants/chains'
+import { SupportedChainId } from 'constants/chains'
 
 /**
  * Returns the input chain ID if chain is supported. If not, return undefined

src/utils/switchChain.ts

 import { Connector } from '@web3-react/types'
 import { networkConnection, walletConnectConnection } from 'connection'
 import { getChainInfo } from 'constants/chainInfo'
-import { isSupportedChain, SupportedChainId } from 'constants/chains'
+import { SupportedChainId } from 'constants/chains'
+import { isSupportedChain } from 'constants/chains'
 import { FALLBACK_URLS, RPC_URLS } from 'constants/networks'
 
 function getRpcUrl(chainId: SupportedChainId): string {
   switch (chainId) {
     case SupportedChainId.MAINNET:
-    case SupportedChainId.RINKEBY:
-    case SupportedChainId.ROPSTEN:
-    case SupportedChainId.KOVAN:
     case SupportedChainId.GOERLI:
       return RPC_URLS[chainId][0]
     // Attempting to add a chain using an infura URL will not work, as the URL will be unreachable from the MetaMask background page.