use blockchain object instead of executionContext in transactionReceiptResolver

src/app.js

@@ -235,7 +235,7 @@ Please make a backup of your contracts and start using http://remix.ethereum.org
   const compilersArtefacts = new CompilersArtefacts() // store all the compilation results (key represent a compiler name)
   registry.put({api: compilersArtefacts, name: 'compilersartefacts'})
 
-  const {eventsDecoder, txlistener} = makeUdapp(udapp, executionContext, compilersArtefacts, (domEl) => mainview.getTerminal().logHtml(domEl))
+  const {eventsDecoder, txlistener} = makeUdapp(blockchain, udapp, executionContext, compilersArtefacts, (domEl) => mainview.getTerminal().logHtml(domEl))
   // ----------------- network service (resolve network id / name) ----------------------------
   const networkModule = new NetworkModule(executionContext)
   // ----------------- convert offset to line/column service ----------------------------

src/app/udapp/make-udapp.js

@@ -5,7 +5,7 @@ var Txlistener = remixLib.execution.txListener
 var EventsDecoder = remixLib.execution.EventsDecoder
 var TransactionReceiptResolver = require('../../lib/transactionReceiptResolver')
 
-export function makeUdapp (udapp, executionContext, compilersArtefacts, logHtmlCallback) {
+export function makeUdapp (blockchain, udapp, executionContext, compilersArtefacts, logHtmlCallback) {
   // ----------------- UniversalDApp -----------------
   // TODO: to remove when possible
   udapp.event.register('transactionBroadcasted', (txhash, networkName) => {
@@ -14,7 +14,7 @@ export function makeUdapp (udapp, executionContext, compilersArtefacts, logHtmlC
   })
 
   // ----------------- Tx listener -----------------
-  const transactionReceiptResolver = new TransactionReceiptResolver(executionContext)
+  const transactionReceiptResolver = new TransactionReceiptResolver(blockchain)
 
   const txlistener = new Txlistener({
     api: {

src/lib/transactionReceiptResolver.js

 'use strict'
 
 module.exports = class TransactionReceiptResolver {
-  constructor (executionContext) {
+  constructor (blockchain) {
     this._transactionReceipts = {}
-    this.executionContext = executionContext
+    this.blockchain = blockchain
   }
 
   resolve (tx, cb) {
     if (this._transactionReceipts[tx.hash]) {
       return cb(null, this._transactionReceipts[tx.hash])
     }
-    this.executionContext.web3().eth.getTransactionReceipt(tx.hash, (error, receipt) => {
+    this.blockchain.web3().eth.getTransactionReceipt(tx.hash, (error, receipt) => {
       if (!error) {
         this._transactionReceipts[tx.hash] = receipt
         cb(null, receipt)