move resetAPI call

src/app.js

 'use strict'
 
+var $ = require('jquery')
 var csjs = require('csjs-inject')
 var yo = require('yo-yo')
 var async = require('async')
@@ -502,6 +503,31 @@ Please make a backup of your contracts and start using http://remix.ethereum.org
   var txLogger = new TxLogger() // eslint-disable-line  
   txLogger.event.register('debuggingRequested', (hash) => { debug.debugger().debug(hash) })
 
+  let transactionContextAPI = {
+    getAddress: (cb) => {
+      cb(null, $('#txorigin').val())
+    },
+    getValue: (cb) => {
+      try {
+        var number = document.querySelector('#value').value
+        var select = document.getElementById('unit')
+        var index = select.selectedIndex
+        var selectedUnit = select.querySelectorAll('option')[index].dataset.unit
+        var unit = 'ether' // default
+        if (['ether', 'finney', 'gwei', 'wei'].indexOf(selectedUnit) >= 0) {
+          unit = selectedUnit
+        }
+        cb(null, executionContext.web3().toWei(number, unit))
+      } catch (e) {
+        cb(e)
+      }
+    },
+    getGasLimit: (cb) => {
+      cb(null, $('#gasLimit').val())
+    }
+  }
+  udapp.resetAPI(transactionContextAPI)
+
   var queryParams = new QueryParams()
 
   var loadingFromGist = self.loadFromGist(queryParams.get())

src/app/tabs/run-tab.js

-var $ = require('jquery')
 var yo = require('yo-yo')
 var EventManager = require('../../lib/events')
 var globalRegistry = require('../../global/registry')
@@ -24,30 +23,6 @@ class RunTab {
     this._view = {}
     this.registry = globalRegistry
 
-    this.transactionContextAPI = {
-      getAddress: (cb) => {
-        cb(null, $('#txorigin').val())
-      },
-      getValue: (cb) => {
-        try {
-          var number = document.querySelector('#value').value
-          var select = document.getElementById('unit')
-          var index = select.selectedIndex
-          var selectedUnit = select.querySelectorAll('option')[index].dataset.unit
-          var unit = 'ether' // default
-          if (['ether', 'finney', 'gwei', 'wei'].indexOf(selectedUnit) >= 0) {
-            unit = selectedUnit
-          }
-          cb(null, executionContext.web3().toWei(number, unit))
-        } catch (e) {
-          cb(e)
-        }
-      },
-      getGasLimit: (cb) => {
-        cb(null, $('#gasLimit').val())
-      }
-    }
-    udapp.resetAPI(this.transactionContextAPI)
     self._view.recorderCount = yo`<span>0</span>`
     self._view.instanceContainer = yo`<div class="${css.instanceContainer}"></div>`
     self._view.clearInstanceElement = yo`

src/app/tabs/runTab/model/dropdownlogic.js

@@ -27,6 +27,7 @@ class DropdownLogic {
     })
   }
 
+  // TODO: can be moved up; the event in contractDropdown will have to refactored a method instead
   listenToCompilationEvents () {
     this.pluginManager.event.register('sendCompilationResult', (file, source, languageVersion, data) => {
       // TODO check whether the tab is configured