diff --git a/src/app/tabs/run-tab.js b/src/app/tabs/run-tab.js
index 94f6ba4e88..edb13d8e6f 100644
--- a/src/app/tabs/run-tab.js
+++ b/src/app/tabs/run-tab.js
@@ -284,7 +284,7 @@ function contractDropdown (events, appAPI, appEvents, instanceContainer) {
     txFormat.buildData(selectedContract.name, selectedContract.contract.object, appAPI.getContracts(), true, constructor, args, (error, data) => {
       if (!error) {
         appAPI.logMessage(`creation of ${selectedContract.name} pending...`)
-        txExecution.createContract(data, appAPI.udapp(), (error, txResult) => {
+        appAPI.udapp().createContract(data, (error, txResult) => {
           if (!error) {
             var isVM = executionContext.isVM()
             if (isVM) {
diff --git a/src/universal-dapp.js b/src/universal-dapp.js
index e3d676e835..35fb8fda61 100644
--- a/src/universal-dapp.js
+++ b/src/universal-dapp.js
@@ -171,7 +171,7 @@ UniversalDApp.prototype.call = function (isUserAction, args, value, lookupOnly,
           self._api.logMessage(`${logMsg}`)
         }
       }
-      txExecution.callFunction(args.address, data, args.funABI, self, (error, txResult) => {
+      self.callFunction(args.address, data, args.funABI, (error, txResult) => {
         if (!error) {
           var isVM = executionContext.isVM()
           if (isVM) {
@@ -200,6 +200,31 @@ UniversalDApp.prototype.call = function (isUserAction, args, value, lookupOnly,
   })
 }
 
+/**
+  * deploy the given contract
+  *
+  * @param {String} data    - data to send with the transaction ( return of txFormat.buildData(...) ).
+  * @param {Function} callback    - callback.
+  */
+UniversalDApp.prototype.createContract = function (data, callback) {
+  this.runTx({data: data, useCall: false}, (error, txResult) => {
+    // see universaldapp.js line 660 => 700 to check possible values of txResult (error case)
+    callback(error, txResult)
+  })
+}
+
+/**
+  * call the current given contract
+  *
+  * @param {String} to    - address of the contract to call.
+  * @param {String} data    - data to send with the transaction ( return of txFormat.buildData(...) ).
+  * @param {Object} funAbi    - abi definition of the function to call.
+  * @param {Function} callback    - callback.
+  */
+UniversalDApp.prototype.callFunction = function (to, data, funAbi, callback) {
+  this.runTx({to: to, data: data, useCall: funAbi.constant}, (error, txResult) => {
+    // see universaldapp.js line 660 => 700 to check possible values of txResult (error case)
+    callback(error, txResult)
   })
 }