5 files changed, 34 insertions, 5 deletions
diff --git a/ui/app/ducks/app/app.js b/ui/app/ducks/app/app.js
index 295507d70..b181092c1 100644
--- a/ui/app/ducks/app/app.js
+++ b/ui/app/ducks/app/app.js
@@ -77,6 +77,8 @@ function reduceApp (state, action) {
       ledger: `m/44'/60'/0'/0/0`,
     },
     lastSelectedProvider: null,
+    networksTabSelectedRpcUrl: '',
+    networksTabIsInAddMode: false,
   }, state.appState)
 
   switch (action.type) {
@@ -751,6 +753,16 @@ function reduceApp (state, action) {
         lastSelectedProvider: action.value,
       })
 
+    case actions.SET_SELECTED_SETTINGS_RPC_URL:
+      return extend(appState, {
+        networksTabSelectedRpcUrl: action.value,
+      })
+
+    case actions.SET_NETWORKS_TAB_ADD_MODE:
+      return extend(appState, {
+        networksTabIsInAddMode: action.value,
+      })
+
     default:
       return appState
   }
diff --git a/ui/app/ducks/confirm-transaction/confirm-transaction.duck.js b/ui/app/ducks/confirm-transaction/confirm-transaction.duck.js
index 169c9d543..58b0ec8e8 100644
--- a/ui/app/ducks/confirm-transaction/confirm-transaction.duck.js
+++ b/ui/app/ducks/confirm-transaction/confirm-transaction.duck.js
@@ -375,7 +375,7 @@ export function setTransactionToConfirm (transactionId) {
         dispatch(updateMethodData(methodData))
 
         try {
-          const toSmartContract = await isSmartContractAddress(to)
+          const toSmartContract = await isSmartContractAddress(to || '')
           dispatch(updateToSmartContract(toSmartContract))
         } catch (error) {
           log.error(error)
diff --git a/ui/app/ducks/confirm-transaction/confirm-transaction.duck.test.js b/ui/app/ducks/confirm-transaction/confirm-transaction.duck.test.js
index 483f2f56d..d2e344663 100644
--- a/ui/app/ducks/confirm-transaction/confirm-transaction.duck.test.js
+++ b/ui/app/ducks/confirm-transaction/confirm-transaction.duck.test.js
@@ -494,7 +494,7 @@ describe('Confirm Transaction Duck', () => {
     })
   })
 
-  describe('Thunk actions', done => {
+  describe('Thunk actions', () => {
     beforeEach(() => {
       global.eth = {
         getCode: sinon.stub().callsFake(
diff --git a/ui/app/ducks/gas/gas-duck.test.js b/ui/app/ducks/gas/gas-duck.test.js
index c0152c74f..b7e83a81c 100644
--- a/ui/app/ducks/gas/gas-duck.test.js
+++ b/ui/app/ducks/gas/gas-duck.test.js
@@ -461,8 +461,8 @@ describe('Gas Duck', () => {
       assert.equal(thirdDispatchCallType, SET_PRICE_AND_TIME_ESTIMATES)
       assert(priceAndTimeEstimateResult.length < mockPredictTableResponse.length * 3 - 2)
       assert(!priceAndTimeEstimateResult.find(d => d.expectedTime > 100))
-      assert(!priceAndTimeEstimateResult.find((d, i, a) => a[a + 1] && d.expectedTime > a[a + 1].expectedTime))
-      assert(!priceAndTimeEstimateResult.find((d, i, a) => a[a + 1] && d.gasprice > a[a + 1].gasprice))
+      assert(!priceAndTimeEstimateResult.find((d, _, a) => a[a + 1] && d.expectedTime > a[a + 1].expectedTime))
+      assert(!priceAndTimeEstimateResult.find((d, _, a) => a[a + 1] && d.gasprice > a[a + 1].gasprice))
 
       assert.deepEqual(
         mockDistpatch.getCall(3).args,
diff --git a/ui/app/ducks/metamask/metamask.js b/ui/app/ducks/metamask/metamask.js
index 47c767d68..3ca487c1f 100644
--- a/ui/app/ducks/metamask/metamask.js
+++ b/ui/app/ducks/metamask/metamask.js
@@ -154,9 +154,26 @@ function reduceMetamask (state, action) {
       return newState
 
     case actions.SET_SELECTED_TOKEN:
-      return extend(metamaskState, {
+      newState = extend(metamaskState, {
         selectedTokenAddress: action.value,
       })
+      const newSend = extend(metamaskState.send)
+
+      if (metamaskState.send.editingTransactionId && !action.value) {
+        delete newSend.token
+        const unapprovedTx = newState.unapprovedTxs[newSend.editingTransactionId] || {}
+        const txParams = unapprovedTx.txParams || {}
+        newState.unapprovedTxs = extend(newState.unapprovedTxs, {
+          [newSend.editingTransactionId]: extend(unapprovedTx, {
+            txParams: extend(txParams, { data: '' }),
+          }),
+        })
+        newSend.tokenBalance = null
+        newSend.balance = '0'
+      }
+
+      newState.send = newSend
+      return newState
 
     case actions.SET_ACCOUNT_LABEL:
       const account = action.value.account