Adding a send txn in example rust app.

blank_rust_project/src/index.html

@@ -14,7 +14,7 @@
       font-size: 1rem;
       color: #25282A;
       text-align: center;
-      padding:2%;
+      padding:2%; 
     }
     .image-wrapper {
       display: flex;
@@ -51,7 +51,7 @@
       cursor: pointer;
       color: white;
       background: #0072CE;
-    }
+    } 
 
     .speech {
       font-size: 1.5rem;
@@ -74,7 +74,8 @@
       </div>
       <div id="signed-in-flow" class="d-none">
           <button id="sign-out-button" >Sign-out</button>
-      </div>
+          <button id="change-greeting">Change greeting</button>
+      </div> 
   </div>
   <script src="./main.js"></script>
 </body>

blank_rust_project/src/main.js

@@ -26,7 +26,7 @@ async function InitContract() {
         // View methods are read only. They don't modify the state, but usually return some value.
         viewMethods: ['welcome'],
         // Change methods can modify the state. But you don't receive the returned value when called.
-        changeMethods: [],
+        changeMethods: ['set_greeting'],
         // Sender is the account ID to initialize transactions.
         sender: window.accountId,
     });
@@ -62,14 +62,28 @@ function signedInFlow() {
     // Displaying the signed in flow container.
     document.getElementById('signed-in-flow').classList.remove('d-none');
 
-    window.contract.welcome({account_id:window.accountId}).then(response => document.getElementById('speech').innerText = response.text);
+    getGreeting();
 
     // Adding an event to a sign-out button.
     document.getElementById('sign-out-button').addEventListener('click', () => {
         walletAccount.signOut();
         // Forcing redirect.
         window.location.replace(window.location.origin + window.location.pathname);
     });
+
+    // Adding an event to a sign-out button.
+    document.getElementById('change-greeting').addEventListener('click', () => {
+        setGreeting();
+    });
+}
+
+async function setGreeting() {
+    await window.contract.set_greeting({message:'Howdy'});
+    getGreeting();
+}
+
+function getGreeting() {
+    window.contract.welcome({account_id:window.accountId}).then(response => document.getElementById('speech').innerText = response.text);
 }
 
 // Loads nearlib and this contract into window scope.