Fix crash upon removing contact

ui/app/components/app/contact-list/recipient-group/recipient-group.component.js

@@ -53,7 +53,7 @@ export default function RecipientGroup ({ label, items, onSelect, selectedAddres
 RecipientGroup.propTypes = {
   label: PropTypes.string,
   items: PropTypes.arrayOf(PropTypes.shape({
-    address: PropTypes.string,
+    address: PropTypes.string.isRequired,
     name: PropTypes.string,
   })),
   onSelect: PropTypes.func.isRequired,

ui/app/pages/settings/contact-list-tab/edit-contact/edit-contact.component.js

@@ -1,5 +1,6 @@
 import React, { PureComponent } from 'react'
 import PropTypes from 'prop-types'
+import { Redirect } from 'react-router-dom'
 import Identicon from '../../../../components/ui/identicon'
 import Button from '../../../../components/ui/button/button.component'
 import TextField from '../../../../components/ui/text-field'
@@ -28,7 +29,6 @@ export default class EditContact extends PureComponent {
 
   static defaultProps = {
     name: '',
-    address: '',
     memo: '',
   }
 
@@ -55,6 +55,10 @@ export default class EditContact extends PureComponent {
       viewRoute,
     } = this.props
 
+    if (!address) {
+      return <Redirect to={{ pathname: listRoute }} />
+    }
+
     return (
       <div className="settings-page__content-row address-book__edit-contact">
         <div className="settings-page__header address-book__header--edit">
@@ -68,7 +72,6 @@ export default class EditContact extends PureComponent {
                   className="settings-page__address-book-button"
                   onClick={async () => {
                     await removeFromAddressBook(chainId, address)
-                    history.push(listRoute)
                   }}
                 >
                   {t('deleteAccount')}
@@ -136,15 +139,19 @@ export default class EditContact extends PureComponent {
               if (isValidAddress(this.state.newAddress)) {
                 await removeFromAddressBook(chainId, address)
                 await addToAddressBook(this.state.newAddress, this.state.newName || name, this.state.newMemo || memo)
-                setAccountLabel(this.state.newAddress, this.state.newName || name)
+                if (showingMyAccounts) {
+                  setAccountLabel(this.state.newAddress, this.state.newName || name)
+                }
                 history.push(listRoute)
               } else {
                 this.setState({ error: this.context.t('invalidAddress') })
               }
             } else {
               // update name
               await addToAddressBook(address, this.state.newName || name, this.state.newMemo || memo)
-              setAccountLabel(address, this.state.newName || name)
+              if (showingMyAccounts) {
+                setAccountLabel(address, this.state.newName || name)
+              }
               history.push(listRoute)
             }
           }}

ui/app/pages/settings/contact-list-tab/edit-contact/edit-contact.container.js

@@ -19,14 +19,15 @@ const mapStateToProps = (state, ownProps) => {
   const pathNameTailIsAddress = pathNameTail.includes('0x')
   const address = pathNameTailIsAddress ? pathNameTail.toLowerCase() : ownProps.match.params.id
 
-  const { memo, name } = getAddressBookEntry(state, address) || state.metamask.identities[address]
+  const contact = getAddressBookEntry(state, address) || state.metamask.identities[address]
+  const { memo, name } = contact || {}
 
   const chainId = state.metamask.network
 
   const showingMyAccounts = Boolean(pathname.match(CONTACT_MY_ACCOUNTS_EDIT_ROUTE))
 
   return {
-    address,
+    address: contact ? address : null,
     chainId,
     name,
     memo,

ui/app/pages/settings/contact-list-tab/view-contact/view-contact.component.js

@@ -1,8 +1,9 @@
 import React, { PureComponent } from 'react'
 import PropTypes from 'prop-types'
+import { Redirect } from 'react-router-dom'
+
 import Identicon from '../../../../components/ui/identicon'
 import Copy from '../../../../components/ui/icon/copy-icon.component'
-
 import Button from '../../../../components/ui/button/button.component'
 import copyToClipboard from 'copy-to-clipboard'
 
@@ -23,11 +24,16 @@ export default class ViewContact extends PureComponent {
     checkSummedAddress: PropTypes.string,
     memo: PropTypes.string,
     editRoute: PropTypes.string,
+    listRoute: PropTypes.string.isRequired,
   }
 
   render () {
     const { t } = this.context
-    const { history, name, address, checkSummedAddress, memo, editRoute } = this.props
+    const { history, name, address, checkSummedAddress, memo, editRoute, listRoute } = this.props
+
+    if (!address) {
+      return <Redirect to={{ pathname: listRoute }} />
+    }
 
     return (
       <div className="settings-page__content-row">

ui/app/pages/settings/contact-list-tab/view-contact/view-contact.container.js

@@ -6,7 +6,9 @@ import { getAddressBookEntry } from '../../../../selectors'
 import { checksumAddress } from '../../../../helpers/utils/util'
 import {
   CONTACT_EDIT_ROUTE,
+  CONTACT_LIST_ROUTE,
   CONTACT_MY_ACCOUNTS_EDIT_ROUTE,
+  CONTACT_MY_ACCOUNTS_ROUTE,
   CONTACT_MY_ACCOUNTS_VIEW_ROUTE,
 } from '../../../../helpers/constants/routes'
 
@@ -17,16 +19,18 @@ const mapStateToProps = (state, ownProps) => {
   const pathNameTailIsAddress = pathNameTail.includes('0x')
   const address = pathNameTailIsAddress ? pathNameTail.toLowerCase() : ownProps.match.params.id
 
-  const { memo, name } = getAddressBookEntry(state, address) || state.metamask.identities[address]
+  const contact = getAddressBookEntry(state, address) || state.metamask.identities[address]
+  const { memo, name } = contact || {}
 
   const showingMyAccounts = Boolean(pathname.match(CONTACT_MY_ACCOUNTS_VIEW_ROUTE))
 
   return {
     name,
-    address,
+    address: contact ? address : null,
     checkSummedAddress: checksumAddress(address),
     memo,
     editRoute: showingMyAccounts ? CONTACT_MY_ACCOUNTS_EDIT_ROUTE : CONTACT_EDIT_ROUTE,
+    listRoute: showingMyAccounts ? CONTACT_MY_ACCOUNTS_ROUTE : CONTACT_LIST_ROUTE,
   }
 }