fix reference

src/app/tabs/runTab/contractDropdown.js

@@ -226,7 +226,7 @@ class ContractDropdownUI {
       modalDialog('Confirm transaction', content,
         { label: 'Confirm',
           fn: () => {
-            this.blockchain.udapp.config.setUnpersistedProperty('doNotShowTransactionConfirmationAgain', content.querySelector('input#confirmsetting').checked)
+            this.blockchain.config.setUnpersistedProperty('doNotShowTransactionConfirmationAgain', content.querySelector('input#confirmsetting').checked)
             // TODO: check if this is check is still valid given the refactor
             if (!content.gasPriceStatus) {
               cancelCb('Given gas price is not correct')

src/app/ui/sendTxCallbacks.js

@@ -86,7 +86,7 @@ const confirmationCb = function (network, tx, gasEstimation, continueTxExecution
     content,
     { label: 'Confirm',
       fn: () => {
-        self.udappUI.udapp.config.setUnpersistedProperty(
+        self.blockchain.config.setUnpersistedProperty(
           'doNotShowTransactionConfirmationAgain',
           content.querySelector('input#confirmsetting').checked
         )