diff --git a/src/app.js b/src/app.js
index 66144b68c2..bfef9b84b4 100644
--- a/src/app.js
+++ b/src/app.js
@@ -46,6 +46,7 @@ var BasicReadOnlyExplorer = require('./app/files/basicReadOnlyExplorer')
 var NotPersistedExplorer = require('./app/files/NotPersistedExplorer')
 var toolTip = require('./app/ui/tooltip')
 var CommandInterpreter = require('./lib/cmdInterpreter')
+var TransactionReceiptResolver = require('./transactionReceiptResolver')
 
 var styleGuide = require('./app/ui/styles-guide/theme-chooser')
 var styles = styleGuide.chooser()
@@ -339,8 +340,9 @@ Please make a backup of your contracts and start using http://remix.ethereum.org
   self._components.compiler = new Compiler(importFileCb)
   var compiler = self._components.compiler
   registry.put({api: compiler, name: 'compiler'})
-  var offsetToLineColumnConverter = new OffsetToLineColumnConverter(compiler.event)
 
+  var offsetToLineColumnConverter = new OffsetToLineColumnConverter(compiler.event)
+  registry.put({api: offsetToLineColumnConverter, name: 'offsetToLineColumnConverter'})
   // ----------------- UniversalDApp -----------------
   var transactionContextAPI = {
     getAddress: (cb) => {
@@ -387,22 +389,7 @@ Please make a backup of your contracts and start using http://remix.ethereum.org
   })
 
   // ----------------- Tx listener -----------------
-  var transactionReceiptResolver = {
-    _transactionReceipts: {},
-    resolve: function (tx, cb) {
-      if (this._transactionReceipts[tx.hash]) {
-        return cb(null, this._transactionReceipts[tx.hash])
-      }
-      executionContext.web3().eth.getTransactionReceipt(tx.hash, (error, receipt) => {
-        if (!error) {
-          this._transactionReceipts[tx.hash] = receipt
-          cb(null, receipt)
-        } else {
-          cb(error)
-        }
-      })
-    }
-  }
+  var transactionReceiptResolver = new TransactionReceiptResolver()
 
   var compiledContracts = function () {
     if (compiler.lastCompilationResult && compiler.lastCompilationResult.data) {
@@ -497,100 +484,37 @@ Please make a backup of your contracts and start using http://remix.ethereum.org
     })
   })
 
+  registry.put({api: cmdInterpreter, name: 'cmdinterpreter'})
+
   // ----------------- editor ----------------------------
   this._components.editor = new Editor({}) // @TODO: put into editorpanel
   var editor = self._components.editor // shortcut for the editor
   registry.put({api: editor, name: 'editor'})
 
-  // ---------------- ContextualListener -----------------------
-  this._components.contextualListener = new ContextualListener({
-    getCursorPosition: () => {
-      return this._components.editor.getCursorPosition()
-    },
-    getCompilationResult: () => {
-      return compiler.lastCompilationResult
-    },
-    getCurrentFile: () => {
-      return config.get('currentFile')
-    },
-    getSourceName: (index) => {
-      return compiler.getSourceName(index)
-    },
-    highlight: (position, node) => {
-      if (compiler.lastCompilationResult && compiler.lastCompilationResult.data) {
-        var lineColumn = offsetToLineColumnConverter.offsetToLineColumn(position, position.file, compiler.lastCompilationResult)
-        var css = 'highlightreference'
-        if (node.children && node.children.length) {
-          // If node has children, highlight the entire line. if not, just highlight the current source position of the node.
-          css = 'highlightreference'
-          lineColumn = {
-            start: {
-              line: lineColumn.start.line,
-              column: 0
-            },
-            end: {
-              line: lineColumn.start.line + 1,
-              column: 0
-            }
-          }
-        }
-        var fileName = compiler.getSourceName(position.file)
-        if (fileName) {
-          return editor.addMarker(lineColumn, fileName, css)
-        }
-      }
-      return null
-    },
-    stopHighlighting: (event) => {
-      editor.removeMarker(event.eventId, event.fileTarget)
-    }
-  }, {
-    compiler: compiler.event,
-    editor: editor.event
+  var config = self._api.config
+  var filesProviders = self._api.filesProviders
+
+  // ----------------- file manager ----------------------------
+
+  self._components.fileManager = new FileManager({
+    config: config,
+    editor: editor,
+    filesProviders: filesProviders,
+    compilerImport: self._components.compilerImport
   })
+  var fileManager = self._components.fileManager
+  registry.put({api: fileManager, name: 'filemanager'})
+
+  // ---------------- ContextualListener -----------------------
+  this._components.contextualListener = new ContextualListener()
+  registry.put({api: this._components.contextualListener, name: 'contextualListener'})
 
   // ---------------- ContextView -----------------------
-  this._components.contextView = new ContextView({
-    contextualListener: this._components.contextualListener,
-    jumpTo: (position) => {
-      function jumpToLine (lineColumn) {
-        if (lineColumn.start && lineColumn.start.line && lineColumn.start.column) {
-          editor.gotoLine(lineColumn.start.line, lineColumn.end.column + 1)
-        }
-      }
-      if (compiler.lastCompilationResult && compiler.lastCompilationResult.data) {
-        var lineColumn = offsetToLineColumnConverter.offsetToLineColumn(position, position.file, compiler.lastCompilationResult)
-        var filename = compiler.getSourceName(position.file)
-        // TODO: refactor with rendererAPI.errorClick
-        if (filename !== config.get('currentFile')) {
-          var provider = fileManager.fileProviderOf(filename)
-          if (provider) {
-            provider.exists(filename, (error, exist) => {
-              if (error) return console.log(error)
-              fileManager.switchFile(filename)
-              jumpToLine(lineColumn)
-            })
-          }
-        } else {
-          jumpToLine(lineColumn)
-        }
-      }
-    }
-  }, {
-    contextualListener: this._components.contextualListener.event
-  })
+  this._components.contextView = new ContextView()
+  registry.put({api: this._components.contextView, name: 'contextview'})
 
   // ----------------- editor panel ----------------------
-  this._components.editorpanel = new EditorPanel({
-    api: {
-      cmdInterpreter: cmdInterpreter,
-      editor: self._components.editor,
-      config: self._api.config,
-      txListener: txlistener,
-      contextview: self._components.contextView,
-      udapp: () => { return udapp }
-    }
-  })
+  this._components.editorpanel = new EditorPanel()
   registry.put({ api: this._components.editorpanel, name: 'editorpanel' })
   this._components.editorpanel.event.register('resize', direction => self._adjustLayout(direction))
 
@@ -612,18 +536,6 @@ Please make a backup of your contracts and start using http://remix.ethereum.org
 
   this.event = new EventManager()
 
-  var config = self._api.config
-  var filesProviders = self._api.filesProviders
-
-  self._components.fileManager = new FileManager({
-    config: config,
-    editor: editor,
-    filesProviders: filesProviders,
-    compilerImport: self._components.compilerImport
-  })
-  var fileManager = self._components.fileManager
-  registry.put({api: fileManager, name: 'filemanager'})
-
   // Add files received from remote instance (i.e. another remix-ide)
   function loadFiles (filesSet, fileProvider, callback) {
     if (!fileProvider) fileProvider = 'browser'
diff --git a/src/app/editor/contextView.js b/src/app/editor/contextView.js
index 1913ebdacf..014ed1efd7 100644
--- a/src/app/editor/contextView.js
+++ b/src/app/editor/contextView.js
@@ -2,6 +2,7 @@
 var yo = require('yo-yo')
 var remixLib = require('remix-lib')
 var SourceMappingDecoder = remixLib.SourceMappingDecoder
+var globalRegistry = require('../../global/registry')
 
 var css = require('./styles/contextView-styles')
 
@@ -13,15 +14,24 @@ var css = require('./styles/contextView-styles')
    - rename declaration/references
 */
 class ContextView {
-  constructor (api, event) {
-    this._api = api
-    this._event = event
+  constructor (localRegistry) {
+    const self = this
+    self._components = {}
+    self._components.registry = localRegistry || globalRegistry
+    self._deps = {
+      contextualListener: self._components.registry.get('contextualListener').api,
+      editor: self._components.registry.get('editor').api,
+      compiler: self._components.registry.get('compiler').api,
+      offsetToLineColumnConverter: self._components.registry.get('offsetToLineColumnConverter').api,
+      config: self._components.registry.get('config').api,
+      fileManager: self._components.registry.get('filemanager').api
+    }
     this._view
     this._nodes
     this._current
     this.sourceMappingDecoder = new SourceMappingDecoder()
     this.previousElement = null
-    event.contextualListener.register('contextChanged', nodes => {
+    self._deps.contextualListener.event.register('contextChanged', nodes => {
       this._nodes = nodes
       this.update()
     })
@@ -66,7 +76,7 @@ class ContextView {
       if (isDefinition(last)) {
         this._current = last
       } else {
-        var target = this._api.contextualListener.declarationOf(last)
+        var target = this._deps.contextualListener.declarationOf(last)
         if (target) {
           this._current = target
         } else {
@@ -80,15 +90,41 @@ class ContextView {
     return this.previousElement
   }
 
+  _jumpToInternal (position) {
+    var self = this
+    function jumpToLine (lineColumn) {
+      if (lineColumn.start && lineColumn.start.line && lineColumn.start.column) {
+        self._deps.editor.gotoLine(lineColumn.start.line, lineColumn.end.column + 1)
+      }
+    }
+    if (self._deps.compiler.lastCompilationResult && self._deps.compiler.lastCompilationResult.data) {
+      var lineColumn = self._deps.offsetToLineColumnConverter.offsetToLineColumn(position, position.file, self._deps.compiler.lastCompilationResult)
+      var filename = self._deps.compiler.getSourceName(position.file)
+      // TODO: refactor with rendererAPI.errorClick
+      if (filename !== self._deps.config.get('currentFile')) {
+        var provider = self._deps.fileManager.fileProviderOf(filename)
+        if (provider) {
+          provider.exists(filename, (error, exist) => {
+            if (error) return console.log(error)
+            self._deps.fileManager.switchFile(filename)
+            jumpToLine(lineColumn)
+          })
+        }
+      } else {
+        jumpToLine(lineColumn)
+      }
+    }
+  }
+
   _render (node, nodeAtCursorPosition) {
     if (!node) return yo`<div></div>`
     var self = this
-    var references = this._api.contextualListener.referencesOf(node)
+    var references = self._deps.contextualListener.referencesOf(node)
     var type = (node.attributes && node.attributes.type) ? node.attributes.type : node.name
     references = `${references ? references.length : '0'} reference(s)`
 
     var ref = 0
-    var nodes = self._api.contextualListener.getActiveHighlights()
+    var nodes = self._deps.contextualListener.getActiveHighlights()
     for (var k in nodes) {
       if (nodeAtCursorPosition.id === nodes[k].nodeId) {
         ref = k
@@ -101,14 +137,14 @@ class ContextView {
       e.target.dataset.action === 'next' ? ref++ : ref--
       if (ref < 0) ref = nodes.length - 1
       if (ref >= nodes.length) ref = 0
-      self._api.jumpTo(nodes[ref].position)
+      self._jumpToInternal(nodes[ref].position)
     }
 
     function jumpTo () {
       if (node && node.src) {
         var position = self.sourceMappingDecoder.decode(node.src)
         if (position) {
-          self._api.jumpTo(position)
+          self._jumpToInternal(position)
         }
       }
     }
@@ -125,7 +161,7 @@ class ContextView {
 
     function showGasEstimation () {
       if (node.name === 'FunctionDefinition') {
-        var result = self._api.contextualListener.gasEstimation(node)
+        var result = self._deps.contextualListener.gasEstimation(node)
         var executionCost = 'Execution cost: ' + result.executionCost + ' gas'
         var codeDepositCost = 'Code deposit cost: ' + result.codeDepositCost + ' gas'
         var estimatedGas = result.codeDepositCost ? `${codeDepositCost}, ${executionCost}` : `${executionCost}`
diff --git a/src/app/editor/contextualListener.js b/src/app/editor/contextualListener.js
index 4f2ea3865d..903aa91d3f 100644
--- a/src/app/editor/contextualListener.js
+++ b/src/app/editor/contextualListener.js
@@ -3,21 +3,30 @@ var remixLib = require('remix-lib')
 var SourceMappingDecoder = remixLib.SourceMappingDecoder
 var AstWalker = remixLib.AstWalker
 var EventManager = remixLib.EventManager
+var globalRegistry = require('../../global/registry')
 
 /*
   trigger contextChanged(nodes)
 */
 class ContextualListener {
-  constructor (api, events) {
+  constructor (localRegistry) {
+    var self = this
     this.event = new EventManager()
-    this._api = api
+    self._components = {}
+    self._components.registry = localRegistry || globalRegistry
+    self._deps = {
+      compiler: self._components.registry.get('compiler').api,
+      editor: self._components.registry.get('editor').api,
+      config: self._components.registry.get('config').api,
+      offsetToLineColumnConverter: self._components.registry.get('offsetToLineColumnConverter').api
+    }
     this._index = {
       Declarations: {},
       FlatReferences: {}
     }
     this._activeHighlights = []
 
-    events.compiler.register('compilationFinished', (success, data, source) => {
+    self._deps.compiler.event.register('compilationFinished', (success, data, source) => {
       this._stopHighlighting()
       this._index = {
         Declarations: {},
@@ -28,12 +37,12 @@ class ContextualListener {
       }
     })
 
-    events.editor.register('contentChanged', () => { this._stopHighlighting() })
+    self._deps.editor.event.register('contentChanged', () => { this._stopHighlighting() })
 
     this.sourceMappingDecoder = new SourceMappingDecoder()
     this.astWalker = new AstWalker()
     setInterval(() => {
-      this._highlightItems(api.getCursorPosition(), api.getCompilationResult(), api.getCurrentFile())
+      this._highlightItems(self._deps.editor.getCursorPosition(), self._deps.compiler.lastCompilationResult, self._deps.config.get('currentFile'))
     }, 1000)
   }
 
@@ -94,13 +103,41 @@ class ContextualListener {
 
   _highlight (node, compilationResult) {
     if (!node) return
+    var self = this
     var position = this.sourceMappingDecoder.decode(node.src)
-    var eventId = this._api.highlight(position, node)
+    var eventId = this._highlightInternal(position, node)
     if (eventId) {
-      this._activeHighlights.push({ eventId, position, fileTarget: this._api.getSourceName(position.file), nodeId: node.id })
+      this._activeHighlights.push({ eventId, position, fileTarget: self._deps.compiler.getSourceName(position.file), nodeId: node.id })
     }
   }
 
+  _highlightInternal (position, node) {
+    var self = this
+    if (self._deps.compiler.lastCompilationResult && self._deps.compiler.lastCompilationResult.data) {
+      var lineColumn = self._deps.offsetToLineColumnConverter.offsetToLineColumn(position, position.file, self._deps.compiler.lastCompilationResult)
+      var css = 'highlightreference'
+      if (node.children && node.children.length) {
+        // If node has children, highlight the entire line. if not, just highlight the current source position of the node.
+        css = 'highlightreference'
+        lineColumn = {
+          start: {
+            line: lineColumn.start.line,
+            column: 0
+          },
+          end: {
+            line: lineColumn.start.line + 1,
+            column: 0
+          }
+        }
+      }
+      var fileName = self._deps.compiler.getSourceName(position.file)
+      if (fileName) {
+        return self._deps.editor.addMarker(lineColumn, fileName, css)
+      }
+    }
+    return null
+  }
+
   _highlightExpressions (node, compilationResult) {
     var self = this
     function highlights (id) {
@@ -124,8 +161,10 @@ class ContextualListener {
   }
 
   _stopHighlighting () {
-    for (var event in this._activeHighlights) {
-      this._api.stopHighlighting(this._activeHighlights[event])
+    var self = this
+    for (var eventKey in this._activeHighlights) {
+      var event = this._activeHighlights[eventKey]
+      self._deps.editor.removeMarker(event.eventId, event.fileTarget)
     }
     this._activeHighlights = []
   }
diff --git a/src/app/panels/editor-panel.js b/src/app/panels/editor-panel.js
index 370a14683a..2c00a74ac8 100644
--- a/src/app/panels/editor-panel.js
+++ b/src/app/panels/editor-panel.js
@@ -3,32 +3,42 @@ var remixLib = require('remix-lib')
 var EventManager = remixLib.EventManager
 
 var Terminal = require('./terminal')
+var globalRegistry = require('../../global/registry')
 
 var styles = require('./styles/editor-panel-styles')
 var cssTabs = styles.cssTabs
 var css = styles.css
 
 class EditorPanel {
-  constructor (opts = {}) {
+  constructor (localRegistry) {
     var self = this
-    self._api = opts.api
+    self._components = {}
+    self._components.registry = localRegistry || globalRegistry
+    self._deps = {
+      config: self._components.registry.get('config').api,
+      editor: self._components.registry.get('editor').api,
+      txlistener: self._components.registry.get('txlistener').api,
+      contextView: self._components.registry.get('contextview').api,
+      udapp: self._components.registry.get('udapp').api,
+      cmdInterpreter: self._components.registry.get('cmdinterpreter').api
+    }
     self.event = new EventManager()
     self.data = {
       _FILE_SCROLL_DELTA: 200,
       _layout: {
         top: {
-          offset: self._api.config.get('terminal-top-offset') || 500,
+          offset: self._deps.config.get('terminal-top-offset') || 500,
           show: true
         }
       }
     }
     self._view = {}
     self._components = {
-      editor: opts.api.editor, // @TODO: instantiate in eventpanel instead of passing via `opts`
+      editor: self._deps.editor, // @TODO: instantiate in eventpanel instead of passing via `opts`
       terminal: new Terminal({
         api: {
-          cmdInterpreter: self._api.cmdInterpreter,
-          udapp: self._api.udapp,
+          cmdInterpreter: self._deps.cmdInterpreter,
+          udapp: self._deps.udapp,
           getPosition (event) {
             var limitUp = 36
             var limitDown = 20
@@ -36,12 +46,6 @@ class EditorPanel {
             var newpos = (event.pageY < limitUp) ? limitUp : event.pageY
             newpos = (newpos < height - limitDown) ? newpos : height - limitDown
             return newpos
-          },
-          web3 () {
-            return self._api.web3()
-          },
-          context () {
-            return self._api.context()
           }
         }
       })
@@ -50,9 +54,9 @@ class EditorPanel {
       this.event.trigger('terminalFilterChanged', [type, value])
     })
     self._components.terminal.event.register('resize', delta => self._adjustLayout('top', delta))
-    if (self._api.txListener) {
+    if (self._deps.txListener) {
       self._components.terminal.event.register('listenOnNetWork', (listenOnNetWork) => {
-        self._api.txListener.setListenOnNetwork(listenOnNetWork)
+        self._deps.txListener.setListenOnNetwork(listenOnNetWork)
       })
     }
     if (document && document.head) {
@@ -72,7 +76,7 @@ class EditorPanel {
         else delta = containerHeight
       } else {
         layout.show = true
-        self._api.config.set(`terminal-${direction}-offset`, delta)
+        self._deps.config.set(`terminal-${direction}-offset`, delta)
         layout.offset = delta
       }
     }
@@ -113,7 +117,7 @@ class EditorPanel {
       <div class=${css.content}>
         ${self._renderTabsbar()}
         <div class=${css.contextviewcontainer}>
-          ${self._api.contextview.render()}
+          ${self._deps.contextView.render()}
         </div>
         ${self._view.editor}
         ${self._view.terminal}
diff --git a/src/app/panels/terminal.js b/src/app/panels/terminal.js
index 4dce6b3c58..7d79fa2d85 100644
--- a/src/app/panels/terminal.js
+++ b/src/app/panels/terminal.js
@@ -580,7 +580,7 @@ function domTerminalFeatures (self, scopedCommands) {
 function blockify (el) { return yo`<div class=${css.block}>${el}</div>` }
 // PENDING TX
 function updatePendingTxs (api, el) {
-  var count = Object.keys(api.udapp().pendingTransactions()).length
+  var count = Object.keys(api.udapp.pendingTransactions()).length
   el.innerText = count
 }
 
diff --git a/src/transactionReceiptResolver.js b/src/transactionReceiptResolver.js
new file mode 100644
index 0000000000..b94e871973
--- /dev/null
+++ b/src/transactionReceiptResolver.js
@@ -0,0 +1,23 @@
+'use strict'
+var executionContext = require('./execution-context')
+
+module.exports = class TransactionReceiptResolver {
+  constructor () {
+    this._transactionReceipts = {}
+  }
+
+  resolve (tx, cb) {
+    if (this._transactionReceipts[tx.hash]) {
+      return cb(null, this._transactionReceipts[tx.hash])
+    }
+    executionContext.web3().eth.getTransactionReceipt(tx.hash, (error, receipt) => {
+      if (!error) {
+        this._transactionReceipts[tx.hash] = receipt
+        cb(null, receipt)
+      } else {
+        cb(error)
+      }
+    })
+  }
+}
+