Update mock and replace 0xproject/util with ethers v5

package.json

@@ -22,7 +22,7 @@
     "@babel/plugin-transform-spread": "^7.2.2",
     "@babel/polyfill": "^7.4.4",
     "@babel/preset-env": "^7.4.4",
-    "@ensdomains/mock": "^2.0.31",
+    "@ensdomains/mock": "^2.0.37",
     "babel-eslint": "^9.0.0",
     "babel-jest": "^23.6.0",
     "babel-jest-assertions": "^0.1.0",
@@ -44,7 +44,6 @@
     "web3": "^1.2.11"
   },
   "dependencies": {
-    "@0xproject/utils": "^2.0.2",
     "@babel/runtime": "^7.4.4",
     "@ensdomains/address-encoder": "^0.1.7",
     "@ensdomains/ens": "0.4.3",

src/testing-utils/extendExpect.js

@@ -1,6 +1,6 @@
 const HEX_REGEX = /^0x[0-9A-F]*$/i
 
-import { addressUtils } from '@0xproject/utils'
+import { ethers } from 'ethers'
 
 expect.extend({
   toBeHex(received) {
@@ -20,7 +20,7 @@ expect.extend({
   },
   toBeEthAddress(received) {
     const pass =
-      typeof received === 'string' && addressUtils.isAddress(received)
+      typeof received === 'string' && ethers.utils.isAddress(received)
 
     if (pass) {
       return {

src/utils/index.js

@@ -1,4 +1,4 @@
-import { addressUtils } from '@0xproject/utils'
+import { ethers } from 'ethers'
 
 import {
   isEncodedLabelhash,
@@ -90,7 +90,7 @@ const parseSearchTerm = (term, validTld) => {
     }
 
     return 'unsupported'
-  } else if (addressUtils.isAddress(term)) {
+  } else if (ethers.utils.isAddress(term)) {
     return 'address'
   } else {
     //check if the search term is actually a tld

src/utils/records.js

@@ -1,4 +1,4 @@
-import { addressUtils } from '@0xproject/utils'
+import { ethers } from 'ethers'
 import { validateContent } from './contents'
 export function validateRecord(record) {
   if (!record.type) {
@@ -13,7 +13,7 @@ export function validateRecord(record) {
 
   switch (type) {
     case 'address':
-      return addressUtils.isAddress(value)
+      return ethers.utils.isAddress(value)
     case 'content':
       return validateContent(value)
     default: