From bb6e41963d42a91ecc34a728b7c0c18d26e6cd9f Mon Sep 17 00:00:00 2001
From: frankiebee <frankie.diamond@gmail.com>
Date: Mon, 5 Jun 2017 11:40:20 -0700
Subject: [PATCH] Dissallow transactions to be sent to
 0x0000000000000000000000000000000000000000

---
 ui/app/components/ens-input.js  |  1 +
 ui/app/components/pending-tx.js | 14 +++++++++++++-
 ui/app/conf-tx.js               |  1 +
 ui/app/send.js                  |  2 +-
 4 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/ui/app/components/ens-input.js b/ui/app/components/ens-input.js
index 3e44d83af..11e0fb36d 100644
--- a/ui/app/components/ens-input.js
+++ b/ui/app/components/ens-input.js
@@ -95,6 +95,7 @@ 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,
diff --git a/ui/app/components/pending-tx.js b/ui/app/components/pending-tx.js
index b46f715bc..e8bf32d92 100644
--- a/ui/app/components/pending-tx.js
+++ b/ui/app/components/pending-tx.js
@@ -44,6 +44,9 @@ PendingTx.prototype.render = function () {
   const account = props.accounts[address]
   const balance = account ? account.balance : '0x0'
 
+  // recipient check
+  const isValidAddress = !(txParams.to === '0x0000000000000000000000000000000000000000')
+
   // Gas
   const gas = txParams.gas
   const gasBn = hexToBn(gas)
@@ -261,6 +264,15 @@ 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: {
@@ -298,7 +310,7 @@ 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', {
diff --git a/ui/app/conf-tx.js b/ui/app/conf-tx.js
index 008627ce6..4ae81f35f 100644
--- a/ui/app/conf-tx.js
+++ b/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 })
 
diff --git a/ui/app/send.js b/ui/app/send.js
index fd6994145..e0896035e 100644
--- a/ui/app/send.js
+++ b/ui/app/send.js
@@ -262,7 +262,7 @@ SendTransactionScreen.prototype.onSubmit = function () {
     return this.props.dispatch(actions.displayWarning(message))
   }
 
-  if ((!util.isValidAddress(recipient) && !txData) || (!recipient && !txData)) {
+  if ((!util.isValidAddress(recipient) && !txData) || (!recipient && !txData) || (recipient === '0x0000000000000000000000000000000000000000')) {
     message = 'Recipient address is invalid.'
     return this.props.dispatch(actions.displayWarning(message))
   }