diff --git a/lnbits/core/static/js/service-worker.js b/lnbits/core/static/js/service-worker.js
new file mode 100644
index 00000000..3ff18194
--- /dev/null
+++ b/lnbits/core/static/js/service-worker.js
@@ -0,0 +1,71 @@
+// the cache version gets updated every time there is a new deployment
+const CACHE_VERSION = 1;
+const CURRENT_CACHE = `lnbits-${CACHE_VERSION}`;
+
+// these are the routes we are going to cache for offline support
+const cacheFiles = [
+ '/core/static/js/wallet.js',
+ '/core/static/js/extensions.js',
+];
+
+// on activation we clean up the previously registered service workers
+self.addEventListener('activate', evt =>
+ evt.waitUntil(
+ caches.keys().then(cacheNames => {
+ return Promise.all(
+ cacheNames.map(cacheName => {
+ if (cacheName !== CURRENT_CACHE) {
+ return caches.delete(cacheName);
+ }
+ })
+ );
+ })
+ )
+);
+
+// on install we download the routes we want to cache for offline
+self.addEventListener('install', evt =>
+ evt.waitUntil(
+ caches.open(CURRENT_CACHE).then(cache => {
+ return cache.addAll(cacheFiles);
+ })
+ )
+);
+
+// fetch the resource from the network
+const fromNetwork = (request, timeout) =>
+ new Promise((fulfill, reject) => {
+ const timeoutId = setTimeout(reject, timeout);
+ fetch(request).then(response => {
+ clearTimeout(timeoutId);
+ fulfill(response);
+ update(request);
+ }, reject);
+ });
+
+// fetch the resource from the browser cache
+const fromCache = request =>
+ caches
+ .open(CURRENT_CACHE)
+ .then(cache =>
+ cache
+ .match(request)
+ .then(matching => matching || cache.match('/offline/'))
+ );
+
+// cache the current page to make it available for offline
+const update = request =>
+ caches
+ .open(CURRENT_CACHE)
+ .then(cache =>
+ fetch(request).then(response => cache.put(request, response))
+ );
+
+// general strategy when making a request (eg if online try to fetch it
+// from the network with a timeout, if something fails serve from cache)
+self.addEventListener('fetch', evt => {
+ evt.respondWith(
+ fromNetwork(evt.request, 10000).catch(() => fromCache(evt.request))
+ );
+ evt.waitUntil(update(evt.request));
+});
\ No newline at end of file
diff --git a/lnbits/core/static/js/wallet.js b/lnbits/core/static/js/wallet.js
index 29a1025d..05796893 100644
--- a/lnbits/core/static/js/wallet.js
+++ b/lnbits/core/static/js/wallet.js
@@ -702,3 +702,10 @@ new Vue({
)
}
})
+
+if (navigator.serviceWorker != null) {
+ navigator.serviceWorker.register('/service-worker.js')
+ .then(function(registration) {
+ console.log('Registered events at scope: ', registration.scope);
+ });
+}
\ No newline at end of file
diff --git a/lnbits/core/templates/core/wallet.html b/lnbits/core/templates/core/wallet.html
index db435866..e705f373 100644
--- a/lnbits/core/templates/core/wallet.html
+++ b/lnbits/core/templates/core/wallet.html
@@ -1,10 +1,10 @@
+
{% extends "base.html" %}
{% from "macros.jinja" import window_vars with context %}
{% block scripts %} {{ window_vars(user, wallet) }}
-
{% endblock %}
{% block title %} {{ wallet.name }} - {{ SITE_TITLE }} {% endblock %}
diff --git a/lnbits/core/views/generic.py b/lnbits/core/views/generic.py
index d9687e16..615de1e9 100644
--- a/lnbits/core/views/generic.py
+++ b/lnbits/core/views/generic.py
@@ -17,6 +17,7 @@ from lnbits.helpers import template_renderer, url_for
from lnbits.settings import (
LNBITS_ADMIN_USERS,
LNBITS_ALLOWED_USERS,
+ LNBITS_CUSTOM_LOGO,
LNBITS_SITE_TITLE,
SERVICE_FEE,
)
@@ -251,6 +252,10 @@ async def lnurlwallet(request: Request):
)
+@core_html_routes.get("/service-worker.js", response_class=FileResponse)
+async def service_worker():
+ return FileResponse("lnbits/core/static/js/service-worker.js")
+
@core_html_routes.get("/manifest/{usr}.webmanifest")
async def manifest(usr: str):
user = await get_user(usr)
@@ -258,21 +263,21 @@ async def manifest(usr: str):
raise HTTPException(status_code=HTTPStatus.NOT_FOUND)
return {
- "short_name": "LNbits",
- "name": "LNbits Wallet",
+ "short_name": LNBITS_SITE_TITLE,
+ "name": LNBITS_SITE_TITLE + " Wallet",
"icons": [
{
- "src": "https://cdn.jsdelivr.net/gh/lnbits/lnbits@0.3.0/docs/logos/lnbits.png",
+ "src": LNBITS_CUSTOM_LOGO if LNBITS_CUSTOM_LOGO else "https://cdn.jsdelivr.net/gh/lnbits/lnbits@0.3.0/docs/logos/lnbits.png",
"type": "image/png",
"sizes": "900x900",
}
],
- "start_url": "/wallet?usr=" + usr,
- "background_color": "#3367D6",
- "description": "Weather forecast information",
+ "start_url": "/wallet?usr=" + usr + "&wal=" + user.wallets[0].id,
+ "background_color": "#1F2234",
+ "description": "Bitcoin Lightning Wallet",
"display": "standalone",
"scope": "/",
- "theme_color": "#3367D6",
+ "theme_color": "#1F2234",
"shortcuts": [
{
"name": wallet.name,