Warn user at deploy time if contract size above ethereum/EIPs#170

src/app/tabs/run-tab.js

@@ -18,6 +18,7 @@ var Recorder = require('../../recorder')
 var addTooltip = require('../ui/tooltip')
 var css = require('./styles/run-tab-styles')
 var MultiParamManager = require('../../multiParamManager')
+var modalDialog = require('../ui/modaldialog')
 
 function runTab (opts, localRegistry) {
   /* -------------------------
@@ -421,6 +422,7 @@ function contractDropdown (events, self) {
       return
     }
 
+    var forceSend = () => {
       var constructor = txHelper.getConstructorInterface(selectedContract.contract.object.abi)
       self._deps.filePanel.compilerMetadata().metadataOf(selectedContract.name, (error, contractMetadata) => {
         if (error) return self._deps.logCallback(`creation of ${selectedContract.name} errored: ` + error)
@@ -441,6 +443,25 @@ function contractDropdown (events, self) {
       })
     }
 
+    if (selectedContract.contract.object.evm.deployedBytecode.object.length / 2 > 24576) {
+      modalDialog('Contract code size over limit', yo`<div>Contract creation initialization returns data with length of more than 24576 bytes. The deployment will likely fails. <br>
+      More info: <a href="https://github.com/ethereum/EIPs/blob/master/EIPS/eip-170.md" target="_blank">eip-170</a>
+      </div>`,
+        {
+          label: 'Force Send',
+          fn: () => {
+            forceSend()
+          }}, {
+            label: 'Cancel',
+            fn: () => {
+              self._deps.logCallback(`creation of ${selectedContract.name} canceled by user.`)
+            }
+          })
+    } else {
+      forceSend()
+    }
+  }
+
   // ACCESS DEPLOYED INSTANCE
   function loadFromAddress () {
     var noInstancesText = self._view.noInstancesText