2 files changed, 21 insertions, 0 deletions
diff --git a/app/_locales/en/messages.json b/app/_locales/en/messages.json
index 40d362f51..457c3c3b1 100644
--- a/app/_locales/en/messages.json
+++ b/app/_locales/en/messages.json
@@ -253,6 +253,9 @@
   "editAccountName": {
     "message": "Edit Account Name"
   },
+  "editingTransaction": {
+    "message": "Make changes to your transaction"
+  },
   "emailUs": {
     "message": "Email us!"
   },
@@ -771,6 +774,10 @@
   "onlySendToEtherAddress": {
     "message": "Only send ETH to an Ethereum address."
   },
+  "onlySendTokensToAccountAddress": {
+    "message": "Only send $1 to an Ethereum account address.",
+    "description": "displays token symbol"
+  },
   "searchTokens": {
     "message": "Search Tokens"
   },
diff --git a/app/scripts/metamask-controller.js b/app/scripts/metamask-controller.js
index 1bb0af5ee..532cfbd61 100644
--- a/app/scripts/metamask-controller.js
+++ b/app/scripts/metamask-controller.js
@@ -394,6 +394,8 @@ module.exports = class MetamaskController extends EventEmitter {
       updateAndApproveTransaction: nodeify(txController.updateAndApproveTransaction, txController),
       retryTransaction: nodeify(this.retryTransaction, this),
       getFilteredTxList: nodeify(txController.getFilteredTxList, txController),
+      isNonceTaken: nodeify(txController.isNonceTaken, txController),
+      estimateGas: nodeify(this.estimateGas, this),
 
       // messageManager
       signMessage: nodeify(this.signMessage, this),
@@ -958,6 +960,18 @@ module.exports = class MetamaskController extends EventEmitter {
     return state
   }
 
+  estimateGas (estimateGasParams) {
+    return new Promise((resolve, reject) => {
+      return this.txController.txGasUtil.query.estimateGas(estimateGasParams, (err, res) => {
+        if (err) {
+          return reject(err)
+        }
+
+        return resolve(res)
+      })
+    })
+  }
+
 //=============================================================================
 // PASSWORD MANAGEMENT
 //=============================================================================