Merge pull request #1545 from MetaMask/inValidAddressFix

Dissallow transactions to be sent to 0x000...

ui/app/components/ens-input.js

@@ -21,6 +21,7 @@ EnsInput.prototype.render = function () {
   const opts = extend(props, {
     list: 'addresses',
     onChange: () => {
+      this.setState({ ensResolution: '0x0000000000000000000000000000000000000000' })
       const network = this.props.network
       const networkHasEnsSupport = getNetworkEnsSupport(network)
       if (!networkHasEnsSupport) return
@@ -95,12 +96,14 @@ EnsInput.prototype.lookupEnsName = function () {
   log.info(`ENS attempting to resolve name: ${recipient}`)
   this.ens.lookup(recipient.trim())
   .then((address) => {
+    if (address === '0x0000000000000000000000000000000000000000') throw new Error('No address has been set for this name.')
     if (address !== ensResolution) {
       this.setState({
         loadingEns: false,
         ensResolution: address,
         nickname: recipient.trim(),
         hoverText: address + '\nClick to Copy',
+        ensFailure: false,
       })
     }
   })
@@ -108,6 +111,7 @@ EnsInput.prototype.lookupEnsName = function () {
     log.error(reason)
     return this.setState({
       loadingEns: false,
+      ensResolution: '0x0000000000000000000000000000000000000000',
       ensFailure: true,
       hoverText: reason.message,
     })

ui/app/components/pending-tx.js

@@ -7,11 +7,10 @@ const clone = require('clone')
 const ethUtil = require('ethereumjs-util')
 const BN = ethUtil.BN
 const hexToBn = require('../../../app/scripts/lib/hex-to-bn')
-
+const util = require('../util')
 const MiniAccountPanel = require('./mini-account-panel')
 const Copyable = require('./copyable')
 const EthBalance = require('./eth-balance')
-const util = require('../util')
 const addressSummary = util.addressSummary
 const nameForAddress = require('../../lib/contract-namer')
 const BNInput = require('./bn-as-decimal-input')
@@ -45,6 +44,9 @@ PendingTx.prototype.render = function () {
   const account = props.accounts[address]
   const balance = account ? account.balance : '0x0'
 
+  // recipient check
+  const isValidAddress = util.isValidAddress(txParams.to)
+
   // Gas
   const gas = txParams.gas
   const gasBn = hexToBn(gas)
@@ -267,6 +269,15 @@ PendingTx.prototype.render = function () {
           }, 'Transaction Error. Exception thrown in contract code.')
         : null,
 
+        !isValidAddress ?
+          h('.error', {
+            style: {
+              marginLeft: 50,
+              fontSize: '0.9em',
+            },
+          }, 'Recipient address is invalid. Sending this transaction will result in a loss of ETH.')
+        : null,
+
         insufficientBalance ?
           h('span.error', {
             style: {
@@ -304,7 +315,7 @@ PendingTx.prototype.render = function () {
             type: 'submit',
             value: 'ACCEPT',
             style: { marginLeft: '10px' },
-            disabled: insufficientBalance || !this.state.valid,
+            disabled: insufficientBalance || !this.state.valid || !isValidAddress,
           }),
 
           h('button.cancel.btn-red', {

ui/app/conf-tx.js

@@ -48,6 +48,7 @@ ConfirmTxScreen.prototype.render = function () {
   var txParams = txData.params || {}
   var isNotification = isPopupOrNotification() === 'notification'
 
+
   log.info(`rendering a combined ${unconfTxList.length} unconf msg & txs`)
   if (unconfTxList.length === 0) return h(Loading, { isLoading: true })
 

ui/app/util.js

@@ -61,6 +61,7 @@ function miniAddressSummary (address) {
 
 function isValidAddress (address) {
   var prefixed = ethUtil.addHexPrefix(address)
+  if (address === '0x0000000000000000000000000000000000000000') return false
   return (isAllOneCase(prefixed) && ethUtil.isValidAddress(prefixed)) || ethUtil.isValidChecksumAddress(prefixed)
 }