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Prevent Electrum updates during shutdown - #1054

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tankyleo merged 1 commit into
lightningdevkit:mainfrom
tnull:2026-08-electrum-shutdown-safety
Aug 20, 2026
Merged

Prevent Electrum updates during shutdown#1054
tankyleo merged 1 commit into
lightningdevkit:mainfrom
tnull:2026-08-electrum-shutdown-safety

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@tnulltnull commented Aug 18, 2026

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Based on #997 for now, will rebase once that's merged.

A timed-out synchronous Electrum sync can outlive its driving task
and continue calling Confirm implementations while node shutdown is
draining persistence work.
Close a gate before task cancellation so no new callbacks can start.
Let callbacks already in progress finish atomically before shutdown
continues.

@tnull
tnull requested a review from tankyleoAugust 18, 2026 11:04
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I'll wait for their review and will help manage the review process.
Once they submit their review, I'll check if a second reviewer would be helpful.

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Needs rebase

@tnull
Prevent Electrum updates during shutdown
3e40819
A timed-out synchronous Electrum sync can outlive its driving task
and continue calling Confirm implementations while node shutdown is
draining persistence work.
Close a gate before task cancellation so no new callbacks can start.
Let callbacks already in progress finish atomically before shutdown
continues.
Co-Authored-By: HAL 9000
@tnull
tnullforce-pushed the 2026-08-electrum-shutdown-safety branch from d392a8b to 3e40819CompareAugust 19, 2026 06:19
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tnull commented Aug 19, 2026

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Needs rebase

Rebased.

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CI failure looks unrelated, I pushed #1063 that should fix it.

@tankyleo
tankyleo merged commit a3bb903 into lightningdevkit:mainAug 20, 2026
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, 'i'); if (__m === '*' || __re.test(location.href)) { // Add copy buttons to all 
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function addCopyButtons() {
document.querySelectorAll('pre code').forEach(function(codeBlock) {
if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;
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btn.onmouseover = function() { this.style.opacity = '1'; };
btn.onmouseout = function() { this.style.opacity = '0.7'; };
btn.onclick = function() {
navigator.clipboard.writeText(codeBlock.textContent).then(function() {
btn.textContent = 'Copied!';
setTimeout(function() { btn.textContent = 'Copy'; }, 1500);
});
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codeBlock.parentElement.style.position = 'relative';
codeBlock.parentElement.appendChild(btn);
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observer.observe(document.body, { childList: true, subtree: true });
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} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
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var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '
Prevent Electrum updates during shutdown by tnull · Pull Request #1054 · lightningdevkit/ldk-node · GitHub
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Prevent Electrum updates during shutdown - #1054
Merged
tankyleo merged 1 commit into
lightningdevkit:mainfrom 
tnull:2026-08-electrum-shutdown-safety
Aug 20, 2026
Merged
Prevent Electrum updates during shutdown#1054
tankyleo merged 1 commit into
lightningdevkit:mainfrom 
tnull:2026-08-electrum-shutdown-safety
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Aug 18, 2026

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Based on #997 for now, will rebase once that's merged.
A timed-out synchronous Electrum sync can outlive its driving task
and continue calling Confirm implementations while node shutdown is
draining persistence work.
Close a gate before task cancellation so no new callbacks can start.
Let callbacks already in progress finish atomically before shutdown
continues.

@tnull
tnull
requested a review
from tankyleoAugust 18, 2026 11:04
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👋 Thanks for assigning @tankyleo as a reviewer!

I'll wait for their review and will help manage the review process.

Once they submit their review, I'll check if a second reviewer would be helpful.
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Needs rebase
@tnull
Prevent Electrum updates during shutdown
3e40819
A timed-out synchronous Electrum sync can outlive its driving task
and continue calling Confirm implementations while node shutdown is
draining persistence work.
Close a gate before task cancellation so no new callbacks can start.
Let callbacks already in progress finish atomically before shutdown
continues.
Co-Authored-By: HAL 9000
@tnull
tnullforce-pushed
the
2026-08-electrum-shutdown-safety
branch
from
d392a8b to
3e40819CompareAugust 19, 2026 06:19
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Needs rebase
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CI failure looks unrelated, I pushed #1063 that should fix it.
@tankyleo
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merged commit a3bb903
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lightningdevkit:mainAug 20, 2026

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, 'i');
if (__m === '*' || __re.test(location.href)) {
// Force GitHub README to respect dark mode
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var style = document.createElement('style');
style.textContent = '
.markdown-body {
color-scheme: dark light;
}
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try {
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var __re = new RegExp('^' + ".*" + '
Prevent Electrum updates during shutdown by tnull · Pull Request #1054 · lightningdevkit/ldk-node · GitHub
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Prevent Electrum updates during shutdown - #1054
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tankyleo merged 1 commit into
lightningdevkit:mainfrom 
tnull:2026-08-electrum-shutdown-safety
Aug 20, 2026
Merged
Prevent Electrum updates during shutdown#1054
tankyleo merged 1 commit into
lightningdevkit:mainfrom 
tnull:2026-08-electrum-shutdown-safety
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@tnull
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Aug 18, 2026

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Based on #997 for now, will rebase once that's merged.
A timed-out synchronous Electrum sync can outlive its driving task
and continue calling Confirm implementations while node shutdown is
draining persistence work.
Close a gate before task cancellation so no new callbacks can start.
Let callbacks already in progress finish atomically before shutdown
continues.

@tnull
tnull
requested a review
from tankyleoAugust 18, 2026 11:04
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👋 Thanks for assigning @tankyleo as a reviewer!

I'll wait for their review and will help manage the review process.

Once they submit their review, I'll check if a second reviewer would be helpful.
@tnulltnull
mentioned this pull request
Aug 18, 2026

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@tankyleo
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Needs rebase
@tnull
Prevent Electrum updates during shutdown
3e40819
A timed-out synchronous Electrum sync can outlive its driving task
and continue calling Confirm implementations while node shutdown is
draining persistence work.
Close a gate before task cancellation so no new callbacks can start.
Let callbacks already in progress finish atomically before shutdown
continues.
Co-Authored-By: HAL 9000
@tnull
tnullforce-pushed
the
2026-08-electrum-shutdown-safety
branch
from
d392a8b to
3e40819CompareAugust 19, 2026 06:19
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Needs rebase
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tankyleo
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CI failure looks unrelated, I pushed #1063 that should fix it.
@tankyleo
tankyleo
merged commit a3bb903
into
lightningdevkit:mainAug 20, 2026

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, 'i');
if (__m === '*' || __re.test(location.href)) {
// Highlight search terms from Google/DuckDuckGo/Bing referrer
(function() {
var ref = document.referrer;
var terms = [];
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parts.forEach(function(part, i) {
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var span = document.createElement('span');
span.className = 'userscript-highlight';
span.textContent = part;
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Array.from(node.childNodes).forEach(highlight);
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highlight(document.body);
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var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(m) {
m.addedNodes.forEach(function(node) {
if (node.nodeType === 1 || node.nodeType === 3) highlight(node);
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observer.observe(document.body, { childList: true, subtree: true });
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}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
Prevent Electrum updates during shutdown by tnull · Pull Request #1054 · lightningdevkit/ldk-node · GitHub
Skip to content
Prevent Electrum updates during shutdown - #1054
Merged
tankyleo merged 1 commit into
lightningdevkit:mainfrom 
tnull:2026-08-electrum-shutdown-safety
Aug 20, 2026
Merged
Prevent Electrum updates during shutdown#1054
tankyleo merged 1 commit into
lightningdevkit:mainfrom 
tnull:2026-08-electrum-shutdown-safety
Conversation
@tnull
@tnulltnull
commented
Aug 18, 2026

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Based on #997 for now, will rebase once that's merged.
A timed-out synchronous Electrum sync can outlive its driving task
and continue calling Confirm implementations while node shutdown is
draining persistence work.
Close a gate before task cancellation so no new callbacks can start.
Let callbacks already in progress finish atomically before shutdown
continues.

@tnull
tnull
requested a review
from tankyleoAugust 18, 2026 11:04
@ldk-reviews-bot
ldk-reviews-bot
commented
Aug 18, 2026•

edited

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👋 Thanks for assigning @tankyleo as a reviewer!

I'll wait for their review and will help manage the review process.

Once they submit their review, I'll check if a second reviewer would be helpful.
@tnulltnull
mentioned this pull request
Aug 18, 2026

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@tankyleo
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Needs rebase
@tnull
Prevent Electrum updates during shutdown
3e40819
A timed-out synchronous Electrum sync can outlive its driving task
and continue calling Confirm implementations while node shutdown is
draining persistence work.
Close a gate before task cancellation so no new callbacks can start.
Let callbacks already in progress finish atomically before shutdown
continues.
Co-Authored-By: HAL 9000
@tnull
tnullforce-pushed
the
2026-08-electrum-shutdown-safety
branch
from
d392a8b to
3e40819CompareAugust 19, 2026 06:19
@tnull
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commented
Aug 19, 2026

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Needs rebase
Rebased.
tankyleo
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CI failure looks unrelated, I pushed #1063 that should fix it.
@tankyleo
tankyleo
merged commit a3bb903
into
lightningdevkit:mainAug 20, 2026

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, 'i');
if (__m === '*' || __re.test(location.href)) {
// Strip utm_, fbclid, gclid, etc. from all links on page
(function() {
var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',
'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',
'ref', 'ref_src', 'source', 'medium', 'campaign'];
function cleanUrl(url) {
try {
var u = new URL(url, window.location.origin);
var changed = false;
trackingParams.forEach(function(p) {
if (u.searchParams.has(p)) {
u.searchParams.delete(p);
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document.querySelectorAll('a[href]').forEach(function(a) {
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cleanLinks();
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var clean = cleanUrl(a.href);
if (clean !== a.href) a.href = clean;
});
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});
observer.observe(document.body, { childList: true, subtree: true });
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}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '
Prevent Electrum updates during shutdown by tnull · Pull Request #1054 · lightningdevkit/ldk-node · GitHub
Skip to content
Prevent Electrum updates during shutdown - #1054
Merged
tankyleo merged 1 commit into
lightningdevkit:mainfrom 
tnull:2026-08-electrum-shutdown-safety
Aug 20, 2026
Merged
Prevent Electrum updates during shutdown#1054
tankyleo merged 1 commit into
lightningdevkit:mainfrom 
tnull:2026-08-electrum-shutdown-safety
Conversation
@tnull
@tnulltnull
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Aug 18, 2026

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Based on #997 for now, will rebase once that's merged.
A timed-out synchronous Electrum sync can outlive its driving task
and continue calling Confirm implementations while node shutdown is
draining persistence work.
Close a gate before task cancellation so no new callbacks can start.
Let callbacks already in progress finish atomically before shutdown
continues.

@tnull
tnull
requested a review
from tankyleoAugust 18, 2026 11:04
@ldk-reviews-bot
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👋 Thanks for assigning @tankyleo as a reviewer!

I'll wait for their review and will help manage the review process.

Once they submit their review, I'll check if a second reviewer would be helpful.
@tnulltnull
mentioned this pull request
Aug 18, 2026

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@tankyleo
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Needs rebase
@tnull
Prevent Electrum updates during shutdown
3e40819
A timed-out synchronous Electrum sync can outlive its driving task
and continue calling Confirm implementations while node shutdown is
draining persistence work.
Close a gate before task cancellation so no new callbacks can start.
Let callbacks already in progress finish atomically before shutdown
continues.
Co-Authored-By: HAL 9000
@tnull
tnullforce-pushed
the
2026-08-electrum-shutdown-safety
branch
from
d392a8b to
3e40819CompareAugust 19, 2026 06:19
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Needs rebase
Rebased.
tankyleo
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CI failure looks unrelated, I pushed #1063 that should fix it.
@tankyleo
tankyleo
merged commit a3bb903
into
lightningdevkit:mainAug 20, 2026

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, 'i');
if (__m === '*' || __re.test(location.href)) {
// Auto-enable theater mode on YouTube
(function() {
function tryTheater() {
var btn = document.querySelector('button[aria-label="Theater mode"], ytd-player #player button[title="Theater mode"]');
if (btn && !btn.classList.contains('activated')) {
btn.click();
}
}
// Try immediately
tryTheater();
// Try after navigation (SPA)
var lastUrl = location.href;
setInterval(function() {
if (location.href !== lastUrl) {
lastUrl = location.href;
setTimeout(tryTheater, 500);
}
}, 1000);
// Also try on player load
var observer = new MutationObserver(tryTheater);
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
Prevent Electrum updates during shutdown by tnull · Pull Request #1054 · lightningdevkit/ldk-node · GitHub
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Prevent Electrum updates during shutdown - #1054
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tankyleo merged 1 commit into
lightningdevkit:mainfrom 
tnull:2026-08-electrum-shutdown-safety
Aug 20, 2026
Merged
Prevent Electrum updates during shutdown#1054
tankyleo merged 1 commit into
lightningdevkit:mainfrom 
tnull:2026-08-electrum-shutdown-safety
Conversation
@tnull
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Aug 18, 2026

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Based on #997 for now, will rebase once that's merged.
A timed-out synchronous Electrum sync can outlive its driving task
and continue calling Confirm implementations while node shutdown is
draining persistence work.
Close a gate before task cancellation so no new callbacks can start.
Let callbacks already in progress finish atomically before shutdown
continues.

@tnull
tnull
requested a review
from tankyleoAugust 18, 2026 11:04
@ldk-reviews-bot
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👋 Thanks for assigning @tankyleo as a reviewer!

I'll wait for their review and will help manage the review process.

Once they submit their review, I'll check if a second reviewer would be helpful.
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Aug 18, 2026

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Needs rebase
@tnull
Prevent Electrum updates during shutdown
3e40819
A timed-out synchronous Electrum sync can outlive its driving task
and continue calling Confirm implementations while node shutdown is
draining persistence work.
Close a gate before task cancellation so no new callbacks can start.
Let callbacks already in progress finish atomically before shutdown
continues.
Co-Authored-By: HAL 9000
@tnull
tnullforce-pushed
the
2026-08-electrum-shutdown-safety
branch
from
d392a8b to
3e40819CompareAugust 19, 2026 06:19
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Needs rebase
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tankyleo
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CI failure looks unrelated, I pushed #1063 that should fix it.
@tankyleo
tankyleo
merged commit a3bb903
into
lightningdevkit:mainAug 20, 2026

24 of 25 checks passed

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, 'i');
if (__m === '*' || __re.test(location.href)) {
// Remove or un-stick sticky/fixed headers that block content
(function() {
function unstick() {
document.querySelectorAll('header, nav, [role="banner"], .header, .navbar, .sticky, .fixed-top, [style*="position: fixed"], [style*="position:sticky"]').forEach(function(el) {
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var observer = new MutationObserver(unstick);
observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });
})();
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
Prevent Electrum updates during shutdown by tnull · Pull Request #1054 · lightningdevkit/ldk-node · GitHub
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Prevent Electrum updates during shutdown - #1054
Merged
tankyleo merged 1 commit into
lightningdevkit:mainfrom 
tnull:2026-08-electrum-shutdown-safety
Aug 20, 2026
Merged
Prevent Electrum updates during shutdown#1054
tankyleo merged 1 commit into
lightningdevkit:mainfrom 
tnull:2026-08-electrum-shutdown-safety
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@tnull
@tnulltnull
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Aug 18, 2026

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Based on #997 for now, will rebase once that's merged.
A timed-out synchronous Electrum sync can outlive its driving task
and continue calling Confirm implementations while node shutdown is
draining persistence work.
Close a gate before task cancellation so no new callbacks can start.
Let callbacks already in progress finish atomically before shutdown
continues.

@tnull
tnull
requested a review
from tankyleoAugust 18, 2026 11:04
@ldk-reviews-bot
ldk-reviews-bot
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Aug 18, 2026•

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👋 Thanks for assigning @tankyleo as a reviewer!

I'll wait for their review and will help manage the review process.

Once they submit their review, I'll check if a second reviewer would be helpful.
@tnulltnull
mentioned this pull request
Aug 18, 2026

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@tankyleo
tankyleo
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Aug 19, 2026

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Needs rebase
@tnull
Prevent Electrum updates during shutdown
3e40819
A timed-out synchronous Electrum sync can outlive its driving task
and continue calling Confirm implementations while node shutdown is
draining persistence work.
Close a gate before task cancellation so no new callbacks can start.
Let callbacks already in progress finish atomically before shutdown
continues.
Co-Authored-By: HAL 9000
@tnull
tnullforce-pushed
the
2026-08-electrum-shutdown-safety
branch
from
d392a8b to
3e40819CompareAugust 19, 2026 06:19
@tnull
tnull
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Aug 19, 2026

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Needs rebase
Rebased.
tankyleo
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Aug 20, 2026
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CI failure looks unrelated, I pushed #1063 that should fix it.
@tankyleo
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merged commit a3bb903
into
lightningdevkit:mainAug 20, 2026

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, 'i');
if (__m === '*' || __re.test(location.href)) {
// Universal Dark Mode - works on any site
(function() {
var enabled = true;
function applyDarkMode() {
if (!enabled) return;
// Create style element if it doesn't exist
var style = document.getElementById('universal-dark-mode-style');
if (!style) {
style = document.createElement('style');
style.id = 'universal-dark-mode-style';
document.head.appendChild(style);
}
// Dark mode CSS - inverts colors but preserves images/video
style.textContent = '
/* Invert everything except media */
html {
filter: invert(1) hue-rotate(180deg) !important;
background: #1a1a2e !important;
}
/* Restore images, videos, iframes, canvas */
img, video, iframe, canvas, svg, picture, [style*="background-image"] {
filter: invert(1) hue-rotate(180deg) !important;
}
/* Preserve specific elements that should not be inverted */
.no-dark-mode, .no-dark-mode *,
[data-theme="light"], [data-theme="light"],
.ace_editor, .ace_editor *,
.CodeMirror, .CodeMirror *,
.monaco-editor, .monaco-editor *,
.markdown-body pre, .markdown-body pre *,
.highlight, .highlight *,
pre code, pre code * {
filter: none !important;
}
/* Fix common UI elements */
.modal, .popup, .dropdown-menu, .tooltip, .popover {
filter: invert(1) hue-rotate(180deg) !important;
background: #2d2d44 !important;
border-color: #444 !important;
}
/* Scrollbars */
::-webkit-scrollbar { background: #1a1a2e !important; }
::-webkit-scrollbar-thumb { background: #444 !important; }
::-webkit-scrollbar-thumb:hover { background: #555 !important; }
/* Selection */
::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }
::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }
';
}
function removeDarkMode() {
var style = document.getElementById('universal-dark-mode-style');
if (style) style.remove();
}
// Toggle with Alt+Shift+D
document.addEventListener('keydown', function(e) {
if (e.altKey && e.shiftKey && e.key === 'D') {
e.preventDefault();
enabled = !enabled;
if (enabled) {
applyDarkMode();
console.log('[Universal Dark Mode] Enabled');
} else {
removeDarkMode();
console.log('[Universal Dark Mode] Disabled');
}
}
});
// Apply on load
applyDarkMode();
// Re-apply on dynamic content
var observer = new MutationObserver(function(mutations) {
if (enabled && !document.getElementById('universal-dark-mode-style')) {
applyDarkMode();
}
});
observer.observe(document.head, { childList: true });
console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');
})();
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();
Prevent Electrum updates during shutdown by tnull · Pull Request #1054 · lightningdevkit/ldk-node · GitHub
Skip to content
Prevent Electrum updates during shutdown - #1054
Merged
tankyleo merged 1 commit into
lightningdevkit:mainfrom 
tnull:2026-08-electrum-shutdown-safety
Aug 20, 2026
Merged
Prevent Electrum updates during shutdown#1054
tankyleo merged 1 commit into
lightningdevkit:mainfrom 
tnull:2026-08-electrum-shutdown-safety
Conversation
@tnull
@tnulltnull
commented
Aug 18, 2026

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Collaborator
Based on #997 for now, will rebase once that's merged.
A timed-out synchronous Electrum sync can outlive its driving task
and continue calling Confirm implementations while node shutdown is
draining persistence work.
Close a gate before task cancellation so no new callbacks can start.
Let callbacks already in progress finish atomically before shutdown
continues.

@tnull
tnull
requested a review
from tankyleoAugust 18, 2026 11:04
@ldk-reviews-bot
ldk-reviews-bot
commented
Aug 18, 2026•

edited

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👋 Thanks for assigning @tankyleo as a reviewer!

I'll wait for their review and will help manage the review process.

Once they submit their review, I'll check if a second reviewer would be helpful.
@tnulltnull
mentioned this pull request
Aug 18, 2026

Open

@tankyleo
tankyleo
commented
Aug 19, 2026

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Needs rebase
@tnull
Prevent Electrum updates during shutdown
3e40819
A timed-out synchronous Electrum sync can outlive its driving task
and continue calling Confirm implementations while node shutdown is
draining persistence work.
Close a gate before task cancellation so no new callbacks can start.
Let callbacks already in progress finish atomically before shutdown
continues.
Co-Authored-By: HAL 9000
@tnull
tnullforce-pushed
the
2026-08-electrum-shutdown-safety
branch
from
d392a8b to
3e40819CompareAugust 19, 2026 06:19
@tnull
tnull
commented
Aug 19, 2026

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CollaboratorAuthor
Needs rebase
Rebased.
tankyleo
tankyleo
approved these changes
Aug 20, 2026
View reviewed changes
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CI failure looks unrelated, I pushed #1063 that should fix it.
@tankyleo
tankyleo
merged commit a3bb903
into
lightningdevkit:mainAug 20, 2026

24 of 25 checks passed

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@tankyleotankyleotankyleo approved these changes

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3 participants

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