fix passing blockchain param

src/app/ui/sendTxCallbacks.js

@@ -7,13 +7,13 @@ const typeConversion = remixLib.execution.typeConversion
 const Web3 = require('web3')
 
 module.exports = {
-  getCallBacksWithContext: (udappUI, executionContext) => {
+  getCallBacksWithContext: (udappUI, blockchain) => {
     let callbacks = {}
     callbacks.confirmationCb = confirmationCb
     callbacks.continueCb = continueCb
     callbacks.promptCb = promptCb
     callbacks.udappUI = udappUI
-    callbacks.executionContext = executionContext
+    callbacks.blockchain = blockchain
     return callbacks
   }
 }
@@ -67,7 +67,7 @@ const confirmationCb = function (network, tx, gasEstimation, continueTxExecution
       cb(txFeeText, priceStatus)
     },
     (cb) => {
-      self.executionContext.web3().eth.getGasPrice((error, gasPrice) => {
+      self.blockchain.web3().eth.getGasPrice((error, gasPrice) => {
         const warnMessage = ' Please fix this issue before sending any transaction. '
         if (error) {
           return cb('Unable to retrieve the current network gas price.' + warnMessage + error)

src/app/ui/universal-dapp-ui.js

@@ -233,7 +233,7 @@ UniversalDAppUI.prototype.runTransaction = function (lookupOnly, args, valArr, i
   const functionName = args.funABI.type === 'function' ? args.funABI.name : `(${args.funABI.type})`
   const logMsg = `${lookupOnly ? 'call' : 'transact'} to ${args.contractName}.${functionName}`
 
-  const callbacksInContext = txCallBacks.getCallBacksWithContext(this, this.executionContext)
+  const callbacksInContext = txCallBacks.getCallBacksWithContext(this, this.blockchain)
 
   const outputCb = (returnValue) => {
     if (outputOverride) {