Track a new schema event when adding a token (#9810)

Co-authored-by: Mark Stacey <markjstacey@gmail.com>

app/scripts/controllers/preferences.js

@@ -5,6 +5,7 @@ import { isValidAddress, sha3, bufferToHex } from 'ethereumjs-util'
 import ethers from 'ethers'
 import log from 'loglevel'
 import { isPrefixedFormattedHexString } from '../lib/util'
+import { LISTED_CONTRACT_ADDRESSES } from '../../../shared/constants/tokens'
 import { addInternalMethodPrefix } from './permissions'
 import { NETWORK_TYPE_TO_ID_MAP } from './network/enums'
 
@@ -175,7 +176,13 @@ export default class PreferencesController {
     const suggested = this.getSuggestedTokens()
     const { rawAddress, symbol, decimals, image } = tokenOpts
     const address = normalizeAddress(rawAddress)
-    const newEntry = { address, symbol, decimals, image }
+    const newEntry = {
+      address,
+      symbol,
+      decimals,
+      image,
+      unlisted: !LISTED_CONTRACT_ADDRESSES.includes(address.toLowerCase()),
+    }
     suggested[address] = newEntry
     this.store.updateState({ suggestedTokens: suggested })
   }

shared/constants/tokens.js

@@ -0,0 +1,10 @@
+import contractMap from 'eth-contract-metadata'
+
+/**
+ * A normalized list of addresses exported as part of the contractMap in
+ * eth-contract-metadata. Used primarily to validate if manually entered
+ * contract addresses do not match one of our listed tokens
+ */
+export const LISTED_CONTRACT_ADDRESSES = Object.keys(
+  contractMap,
+).map((address) => address.toLowerCase())

ui/app/pages/confirm-add-suggested-token/confirm-add-suggested-token.component.js

@@ -9,6 +9,7 @@ import { ENVIRONMENT_TYPE_NOTIFICATION } from '../../../../app/scripts/lib/enums
 export default class ConfirmAddSuggestedToken extends Component {
   static contextTypes = {
     t: PropTypes.func,
+    trackEvent: PropTypes.func,
   }
 
   static propTypes = {
@@ -139,6 +140,19 @@ export default class ConfirmAddSuggestedToken extends Component {
               onClick={() => {
                 addToken(pendingToken)
                   .then(() => removeSuggestedTokens())
+                  .then(() => {
+                    this.context.trackEvent({
+                      event: 'Token Added',
+                      category: 'Wallet',
+                      sensitiveProperties: {
+                        token_symbol: pendingToken.symbol,
+                        token_contract_address: pendingToken.address,
+                        token_decimal_precision: pendingToken.decimals,
+                        unlisted: pendingToken.unlisted,
+                        source: 'dapp',
+                      },
+                    })
+                  })
                   .then(() => history.push(mostRecentOverviewPage))
               }}
             >

ui/app/pages/confirm-add-token/confirm-add-token.component.js

@@ -8,6 +8,7 @@ import TokenBalance from '../../components/ui/token-balance'
 export default class ConfirmAddToken extends Component {
   static contextTypes = {
     t: PropTypes.func,
+    trackEvent: PropTypes.func,
   }
 
   static propTypes = {
@@ -103,10 +104,22 @@ export default class ConfirmAddToken extends Component {
               className="page-container__footer-button"
               onClick={() => {
                 addTokens(pendingTokens).then(() => {
+                  const pendingTokenValues = Object.values(pendingTokens)
+                  pendingTokenValues.forEach((pendingToken) => {
+                    this.context.trackEvent({
+                      event: 'Token Added',
+                      category: 'Wallet',
+                      sensitiveProperties: {
+                        token_symbol: pendingToken.symbol,
+                        token_contract_address: pendingToken.address,
+                        token_decimal_precision: pendingToken.decimals,
+                        unlisted: pendingToken.unlisted,
+                        source: pendingToken.isCustom ? 'custom' : 'list',
+                      },
+                    })
+                  })
                   clearPendingTokens()
-                  const firstTokenAddress = Object.values(
+                  const firstTokenAddress = pendingTokenValues?.[0].address?.toLowerCase()
-                    pendingTokens,
-                  )?.[0].address?.toLowerCase()
                   if (firstTokenAddress) {
                     history.push(`${ASSET_ROUTE}/${firstTokenAddress}`)
                   } else {

ui/app/store/actions.js

@@ -23,6 +23,7 @@ import {
 } from '../selectors'
 import { switchedToUnconnectedAccount } from '../ducks/alerts/unconnected-account'
 import { getUnconnectedAccountAlertEnabledness } from '../ducks/metamask/metamask'
+import { LISTED_CONTRACT_ADDRESSES } from '../../../shared/constants/tokens'
 import * as actionConstants from './actionConstants'
 
 let background = null
@@ -2210,9 +2211,21 @@ export function setPendingTokens(pendingTokens) {
   const { address, symbol, decimals } = customToken
   const tokens =
     address && symbol && decimals
-      ? { ...selectedTokens, [address]: { ...customToken, isCustom: true } }
+      ? {
+          ...selectedTokens,
+          [address]: {
+            ...customToken,
+            isCustom: true,
+          },
+        }
       : selectedTokens
 
+  Object.keys(tokens).forEach((tokenAddress) => {
+    tokens[tokenAddress].unlisted = !LISTED_CONTRACT_ADDRESSES.includes(
+      tokenAddress.toLowerCase(),
+    )
+  })
+
   return {
     type: actionConstants.SET_PENDING_TOKENS,
     payload: tokens,