feat: Support Secp256k1 Signature verification - #929

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Feature: Add secp256k1 Support

Overview

This pull request introduces explicit and cryptographically sound support for verifying signatures generated on the secp256k1 elliptic curve, routing them through the btcec library.

Dependencies

This change relies on and utilizes the following packages:

  • github.com/btcsuite/btcd/btcec
  • github.com/btcsuite/btcd/btcec/ecdsa

Testing Notes

  • Add Integration Tests
  • Add Unit Tests

@DaevMithran
DaevMithran marked this pull request as draft October 17, 2025 08:20
@Eengineer1
Eengineer1 self-requested a review October 27, 2025 14:53
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, 'i'); if (__m === '*' || __re.test(location.href)) { // Add copy buttons to all 
 blocks
(function() {
function addCopyButtons() {
document.querySelectorAll('pre code').forEach(function(codeBlock) {
if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;
codeBlock.parentElement.setAttribute('data-copy-added', 'true');
var btn = document.createElement('button');
btn.textContent = 'Copy';
btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';
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);
});
};
codeBlock.parentElement.style.position = 'relative';
codeBlock.parentElement.appendChild(btn);
});
}
addCopyButtons();
// Re-run on dynamic content
var observer = new MutationObserver(addCopyButtons);
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

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Feature: Add secp256k1 Support
Overview
This pull request introduces explicit and cryptographically sound support for verifying signatures generated on the secp256k1 elliptic curve, routing them through the btcec library.
Dependencies
This change relies on and utilizes the following packages:
  • github.com/btcsuite/btcd/btcec
  • github.com/btcsuite/btcd/btcec/ecdsa
Testing Notes
  •  Add Integration Tests
  •  Add Unit Tests
@DaevMithran
DaevMithran
marked this pull request as draft
October 17, 2025 08:20
@Eengineer1
Eengineer1
self-requested a review
October 27, 2025 14:53
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, 'i');
if (__m === '*' || __re.test(location.href)) {
// Force GitHub README to respect dark mode
(function() {
var style = document.createElement('style');
style.textContent = '
.markdown-body {
color-scheme: dark light;
}
.markdown-body pre { background: #161b22 !important; }
.markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }
.markdown-body table th, .markdown-body table td { border-color: #30363d !important; }
.markdown-body img { background: #0d1117; }
.markdown-body blockquote { border-left-color: #8b949e; }
.markdown-body hr { border-color: #30363d; }
';
document.head.appendChild(style);
})();
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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Feature: Add secp256k1 Support
Overview
This pull request introduces explicit and cryptographically sound support for verifying signatures generated on the secp256k1 elliptic curve, routing them through the btcec library.
Dependencies
This change relies on and utilizes the following packages:
  • github.com/btcsuite/btcd/btcec
  • github.com/btcsuite/btcd/btcec/ecdsa
Testing Notes
  •  Add Integration Tests
  •  Add Unit Tests
@DaevMithran
DaevMithran
marked this pull request as draft
October 17, 2025 08:20
@Eengineer1
Eengineer1
self-requested a review
October 27, 2025 14:53
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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 = [];
if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {
var url = new URL(ref);
var q = url.searchParams.get('q') || url.searchParams.get('p');
if (q) {
terms = q.split(/\s+/).filter(function(t) { return t.length > 2; });
}
}
if (terms.length === 0) return;
var style = document.createElement('style');
style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';
document.head.appendChild(style);
function highlight(node) {
if (node.nodeType === 3) { // text node
var text = node.textContent;
var found = false;
terms.forEach(function(term) {
var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\]\\]/g, '\\') + ')', 'gi');
if (regex.test(text)) {
found = true;
var frag = document.createDocumentFragment();
var parts = text.split(regex);
parts.forEach(function(part, i) {
if (i % 2 === 0) {
frag.appendChild(document.createTextNode(part));
} else {
var span = document.createElement('span');
span.className = 'userscript-highlight';
span.textContent = part;
frag.appendChild(span);
}
});
node.parentNode.replaceChild(frag, node);
}
});
} else if (node.nodeType === 1 && node.childNodes) { // element
var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];
if (!skipTags.includes(node.tagName)) {
Array.from(node.childNodes).forEach(highlight);
}
}
}
highlight(document.body);
// Re-highlight on dynamic content
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(m) {
m.addedNodes.forEach(function(node) {
if (node.nodeType === 1 || node.nodeType === 3) highlight(node);
});
});
});
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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feat: Support Secp256k1 Signature verification - #929
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@DaevMithranDaevMithran
commented
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Contributor
Feature: Add secp256k1 Support
Overview
This pull request introduces explicit and cryptographically sound support for verifying signatures generated on the secp256k1 elliptic curve, routing them through the btcec library.
Dependencies
This change relies on and utilizes the following packages:
  • github.com/btcsuite/btcd/btcec
  • github.com/btcsuite/btcd/btcec/ecdsa
Testing Notes
  •  Add Integration Tests
  •  Add Unit Tests
@DaevMithran
DaevMithran
marked this pull request as draft
October 17, 2025 08:20
@Eengineer1
Eengineer1
self-requested a review
October 27, 2025 14:53
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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);
changed = true;
}
});
return changed ? u.toString() : url;
} catch (e) {
return url;
}
}
function cleanLinks() {
document.querySelectorAll('a[href]').forEach(function(a) {
var clean = cleanUrl(a.href);
if (clean !== a.href) a.href = clean;
});
}
cleanLinks();
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(m) {
m.addedNodes.forEach(function(node) {
if (node.nodeType === 1) {
if (node.tagName === 'A') cleanLinks();
node.querySelectorAll('a[href]').forEach(function(a) {
var clean = cleanUrl(a.href);
if (clean !== a.href) a.href = clean;
});
}
});
});
});
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

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feat: Support Secp256k1 Signature verification - #929
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@DaevMithran
@DaevMithranDaevMithran
commented
Oct 17, 2025•

edited

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Contributor
Feature: Add secp256k1 Support
Overview
This pull request introduces explicit and cryptographically sound support for verifying signatures generated on the secp256k1 elliptic curve, routing them through the btcec library.
Dependencies
This change relies on and utilizes the following packages:
  • github.com/btcsuite/btcd/btcec
  • github.com/btcsuite/btcd/btcec/ecdsa
Testing Notes
  •  Add Integration Tests
  •  Add Unit Tests
@DaevMithran
DaevMithran
marked this pull request as draft
October 17, 2025 08:20
@Eengineer1
Eengineer1
self-requested a review
October 27, 2025 14:53
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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('^' + ".*" + '

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feat: Support Secp256k1 Signature verification#929
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@DaevMithran
@DaevMithranDaevMithran
commented
Oct 17, 2025•

edited

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Contributor
Feature: Add secp256k1 Support
Overview
This pull request introduces explicit and cryptographically sound support for verifying signatures generated on the secp256k1 elliptic curve, routing them through the btcec library.
Dependencies
This change relies on and utilizes the following packages:
  • github.com/btcsuite/btcd/btcec
  • github.com/btcsuite/btcd/btcec/ecdsa
Testing Notes
  •  Add Integration Tests
  •  Add Unit Tests
@DaevMithran
DaevMithran
marked this pull request as draft
October 17, 2025 08:20
@Eengineer1
Eengineer1
self-requested a review
October 27, 2025 14:53
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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) {
if (el.style.position === 'fixed' || el.style.position === 'sticky' || getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {
el.style.position = 'static';
el.style.top = 'auto';
el.style.zIndex = 'auto';
}
});
}
unstick();
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('^' + ".*" + '

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@DaevMithran
@DaevMithranDaevMithran
commented
Oct 17, 2025•

edited

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Contributor
Feature: Add secp256k1 Support
Overview
This pull request introduces explicit and cryptographically sound support for verifying signatures generated on the secp256k1 elliptic curve, routing them through the btcec library.
Dependencies
This change relies on and utilizes the following packages:
  • github.com/btcsuite/btcd/btcec
  • github.com/btcsuite/btcd/btcec/ecdsa
Testing Notes
  •  Add Integration Tests
  •  Add Unit Tests
@DaevMithran
DaevMithran
marked this pull request as draft
October 17, 2025 08:20
@Eengineer1
Eengineer1
self-requested a review
October 27, 2025 14:53
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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); }
})();
})();

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feat: Support Secp256k1 Signature verification - #929
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feat: Support Secp256k1 Signature verification#929
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@DaevMithran
@DaevMithranDaevMithran
commented
Oct 17, 2025•

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Feature: Add secp256k1 Support
Overview
This pull request introduces explicit and cryptographically sound support for verifying signatures generated on the secp256k1 elliptic curve, routing them through the btcec library.
Dependencies
This change relies on and utilizes the following packages:
  • github.com/btcsuite/btcd/btcec
  • github.com/btcsuite/btcd/btcec/ecdsa
Testing Notes
  •  Add Integration Tests
  •  Add Unit Tests
@DaevMithran
DaevMithran
marked this pull request as draft
October 17, 2025 08:20
@Eengineer1
Eengineer1
self-requested a review
October 27, 2025 14:53
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