Decoupled domain records change from domain renewal.

src/webview/index.html

@@ -204,7 +204,7 @@
     <div class="modal-content">
         <div class="box" id="new_domain_dialog_box">
             <button class="delete" aria-label="close" onclick="closeDialog('new_domain_dialog')"></button>
-            <label class="label">New domain:</label>
+            <label class="label">Domain name:</label>
             <div class="field is-grouped is-fullwidth">
                 <div class="control field has-addons is-expanded">
                     <div class="control is-expanded has-icons-left">
@@ -265,6 +265,13 @@
             <div class="list mt-2" id="domain_records">
                 <!-- Here will be our domain records, added by dialog -->
             </div>
+
+            <div class="field mt-3">
+                <label class="control">
+                    <input type="checkbox" id="renewal"> Renew domain by using higher difficulty while mining (works after block number 4999, until then it does nothing).
+                </label>
+                <p class="help">Starting from block 5000 the change of DNS records is decoupled from domain renewal.</p>
+            </div>
         </div>
     </div>
 </div>

src/webview/scripts.js

@@ -302,8 +302,9 @@ function createDomain() {
     data.info = document.getElementById("info_text").value;
     data.records = recordsBuffer;
     data.contacts = getContacts();
+    var renewal = document.getElementById("renewal").checked;
     data = JSON.stringify(data);
-    external.invoke(JSON.stringify({cmd: 'mineDomain', name: domain, data: data, signing: ownerSigning, encryption: ownerEncryption}));
+    external.invoke(JSON.stringify({cmd: 'mineDomain', name: domain, data: data, signing: ownerSigning, encryption: ownerEncryption, renewal: renewal}));
 }
 
 function getContacts() {