Add

rootfs/standard/var/www/mynode/mynode.py

@@ -252,6 +252,7 @@ def index():
         mempoolspace_status_color = "gray"
         vpn_status_color = "gray"
         vpn_status = ""
+        current_block = 1234
 
         if not get_has_updated_btc_info() or uptime_in_seconds < 150:
             error_message = ""
@@ -310,6 +311,7 @@ def index():
                     bitcoind_status = "Syncing<br/>{} blocks remaining...".format(remaining)
             else:
                 bitcoind_status = "Waiting for info..."
+            current_block = get_mynode_block_height()
 
         # Find lnd status
         if is_bitcoind_synced():
@@ -429,6 +431,7 @@ def index():
             "config": CONFIG,
             "bitcoind_status_color": bitcoind_status_color,
             "bitcoind_status": Markup(bitcoind_status),
+            "current_block": current_block,
             "lnd_status_color": lnd_status_color,
             "lnd_status": Markup(lnd_status),
             "lnd_ready": lnd_ready,

rootfs/standard/var/www/mynode/static/css/mynode.css

@@ -591,6 +591,31 @@ a:active {
     width: 128px;
 }
 
+.halving_message_main_page {
+    color: #333333;
+    border: 3px solid orange;
+    background-color: rgb(255, 250, 238);
+    width: 600px;
+    border-radius: 25px;
+    text-align: center;
+    display: block;
+    font-size: 32px;
+    font-family: Arial, Helvetica, sans-serif;
+    padding: 5px;
+    padding-left: 12px;
+    margin: auto;
+    margin-bottom: 20px;
+}
+.halving_message_table {
+    width: 100%;
+    font-size: 32px;
+    border: 0px;
+    text-align: center;
+}
+.halving_image {
+    width: 86px;
+}
+
 /* The switch - the box around the slider */
 .switch {
     position: relative;

rootfs/standard/var/www/mynode/static/css/mynode_dark.css

@@ -61,7 +61,8 @@ table,
 }
 
 .main_page_warning_block,
-.upgrade_ad_main_page {
+.upgrade_ad_main_page,
+.halving_message_main_page {
     color: #eee;
     border: 3px solid #f9c132;
     background-color: #3a4750;

rootfs/standard/var/www/mynode/templates/includes/main_page_messages.html

@@ -0,0 +1,48 @@
+{% if fsck_error %}
+<div class="main_page_error_block">
+    <center>
+    <p>There may be an error with the filesystem on your drive.</p>
+    <p>{{ fsck_results }}</p>
+    </center>
+</div>
+{% endif %}
+
+{% if sd_rw_error %}
+<div class="main_page_error_block">
+    <center>
+    <p>There may be an error with the filesystem on your SD card. It was mounted as read-only and has been updated to read/write.</p>
+    </center>
+</div>
+{% endif %}
+
+{% if not has_changed_password %}
+<div class="upgrade_ad_main_page">
+    <p style="text-align: center;"><b>Warning!</b><br/>You appear to be using the default password! You should change it to something else on the <a href="/settings">settings</a> page.</p>
+</div>
+{% endif %}
+
+
+
+{% set blocks_until_halving = 210000 - (current_block % 210000) %}
+{% if blocks_until_halving < 1000 %}
+<div class="halving_message_main_page">
+    <table class="halving_message_table">
+        <tr>
+            <td><img class="halving_image" src="{{ url_for('static', filename='images/stopwatch.png')}}"/></td>
+            <td>{{ blocks_until_halving }} blocks to the halving...</td>
+            <td><img class="halving_image" src="{{ url_for('static', filename='images/timer.png')}}"/></td>
+        </tr>
+    </table>
+</div>
+{% endif %}
+{% if blocks_until_halving > 209400 %}
+<div class="halving_message_main_page">
+    <table class="halving_message_table">
+        <tr>
+            <td><img class="halving_image" src="{{ url_for('static', filename='images/fireworks1.png')}}"/></td>
+            <td>Happy Halving!!!</td>
+            <td><img class="halving_image" src="{{ url_for('static', filename='images/fireworks2.png')}}"/></td>
+        </tr>
+    </table>
+</div>
+{% endif %}

rootfs/standard/var/www/mynode/templates/main.html

@@ -153,28 +153,8 @@
 
         {% include 'includes/message_display.html' %}
 
-        {% if fsck_error %}
-        <div class="main_page_error_block">
-            <center>
-            <p>There may be an error with the filesystem on your drive.</p>
-            <p>{{ fsck_results }}</p>
-            </center>
-        </div>
-        {% endif %}
+        {% include 'includes/main_page_messages.html' %}
 
-        {% if sd_rw_error %}
-        <div class="main_page_error_block">
-            <center>
-            <p>There may be an error with the filesystem on your SD card. It was mounted as read-only and has been updated to read/write.</p>
-            </center>
-        </div>
-        {% endif %}
-
-        {% if not has_changed_password %}
-        <div class="upgrade_ad_main_page">
-            <p style="text-align: center;"><b>Warning!</b><br/>You appear to be using the default password! You should change it to something else on the <a href="/settings">settings</a> page.</p>
-        </div>
-        {% endif %}
 
         {% include 'includes/services.html' %}