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WIP: Decrypt inbound Trampoline onions - #3585

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WIP: Decrypt inbound Trampoline onions#3585
arik-so wants to merge 4 commits into
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arik-so:arik/trampoline/inbound-parsing

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@arik-soarik-so commented Feb 3, 2025

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This is a WIP that depends on #3386 and #3579.

@arik-so
arik-soforce-pushed the arik/trampoline/inbound-parsing branch 2 times, most recently from 098ccea to 8127bc5CompareFebruary 10, 2025 08:39
@arik-so
Add TrampolineForward variant to PendingHTLCRouting
5cc6bb1
Forwarding Trampoline packets requires storing their shared secrets on
top of the outer onion's shared secrets, as well as referencing the
next hop by its node ID as opposed to by an SCID. We modify
PendingHTLCRouting to adequately represent this information.
@codecov

codecovBot commented Feb 10, 2025•
edited
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Codecov Report

❌ Patch coverage is 11.04651% with 153 lines in your changes missing coverage. Please review.
✅ Project coverage is 88.41%. Comparing base (098ccea) to head (63608c2).
⚠️ Report is 2263 commits behind head on main.

Files with missing linesPatch %Lines
lightning/src/ln/msgs.rs1.96%99 Missing and 1 partial ⚠️
lightning/src/ln/onion_payment.rs11.76%30 Missing ⚠️
lightning/src/ln/onion_utils.rs0.00%18 Missing ⚠️
lightning/src/ln/channelmanager.rs72.22%5 Missing ⚠️
Additional details and impacted files
@@ Coverage Diff @@## main #3585 +/- ##
==========================================
- Coverage 88.42% 88.41% -0.01% 
==========================================
Files 149 149 Lines 115755 115925 +170 Branches 115755 115925 +170 ==========================================
+ Hits 102360 102499 +139 - Misses 10884 10912 +28 - Partials 2511 2514 +3

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:
  • ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.

@arik-so
Introduce HopConnector enum
51cecfc
In order to move the Trampoline-specific data from the onion decryption
layer to the PendingHTLCRouting enum, we need to make the
NextPacketDetails more descriptive, which we do here by virtue of
converting the outbound_scid field into an enum than is more expressive
in its Trampoline variant.
@arik-so
Parse inbound TrampolineEntrypoint payload
0e61db7
@arik-so
Decrypt inbound Trampoline packets
63608c2
@arik-so
arik-soforce-pushed the arik/trampoline/inbound-parsing branch from 8127bc5 to 63608c2CompareFebruary 10, 2025 08:50
@arik-soarik-so mentioned this pull request Feb 10, 2025
Merged
@carlaKC

carlaKC commented Feb 12, 2026

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Replaced with #4414.

@carlaKCcarlaKC closed this Feb 12, 2026
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@arik-so@carlaKC
, 'i'); if (__m === '*' || __re.test(location.href)) { // Add copy buttons to all 
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(function() {
function addCopyButtons() {
document.querySelectorAll('pre code').forEach(function(codeBlock) {
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} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
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try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '
WIP: Decrypt inbound Trampoline onions by arik-so · Pull Request #3585 · lightningdevkit/rust-lightning · GitHub
Skip to content
WIP: Decrypt inbound Trampoline onions - #3585
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arik-so wants to merge 4 commits into
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WIP: Decrypt inbound Trampoline onions#3585
arik-so wants to merge 4 commits into
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Conversation
@arik-so
@arik-soarik-so
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Feb 3, 2025

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This is a WIP that depends on #3386 and #3579.
@arik-so
arik-soforce-pushed
the
arik/trampoline/inbound-parsing
branch
2 times, most recently
from
098ccea to
8127bc5CompareFebruary 10, 2025 08:39
@arik-so
Add TrampolineForward variant to PendingHTLCRouting
5cc6bb1
Forwarding Trampoline packets requires storing their shared secrets on
top of the outer onion's shared secrets, as well as referencing the
next hop by its node ID as opposed to by an SCID. We modify
PendingHTLCRouting to adequately represent this information.
@codecov
codecovBot
commented
Feb 10, 2025•

edited

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Codecov Report
❌ Patch coverage is 11.04651% with 153 lines in your changes missing coverage. Please review.

✅ Project coverage is 88.41%. Comparing base (098ccea) to head (63608c2).
⚠️ Report is 2263 commits behind head on main.
Files with missing linesPatch %Lines
lightning/src/ln/msgs.rs1.96%99 Missing and 1 partial ⚠️
lightning/src/ln/onion_payment.rs11.76%30 Missing ⚠️
lightning/src/ln/onion_utils.rs0.00%18 Missing ⚠️
lightning/src/ln/channelmanager.rs72.22%5 Missing ⚠️
Additional details and impacted files
@@ Coverage Diff @@## main #3585 +/- ##
==========================================
- Coverage 88.42% 88.41% -0.01% 
==========================================
Files 149 149 Lines 115755 115925 +170 Branches 115755 115925 +170 ==========================================
+ Hits 102360 102499 +139 - Misses 10884 10912 +28 - Partials 2511 2514 +3 
☔ View full report in Codecov by Sentry.

📢 Have feedback on the report? Share it here.
 🚀 New features to boost your workflow: 
  • ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
@arik-so
Introduce HopConnector enum
51cecfc
In order to move the Trampoline-specific data from the onion decryption
layer to the PendingHTLCRouting enum, we need to make the
NextPacketDetails more descriptive, which we do here by virtue of
converting the outbound_scid field into an enum than is more expressive
in its Trampoline variant.
@arik-so
Parse inbound TrampolineEntrypoint payload
0e61db7
@arik-so
Decrypt inbound Trampoline packets
63608c2
@arik-so
arik-soforce-pushed
the
arik/trampoline/inbound-parsing
branch
from
8127bc5 to
63608c2CompareFebruary 10, 2025 08:50
@arik-soarik-so
mentioned this pull request
Feb 10, 2025
 Merged

@carlaKC
carlaKC
commented
Feb 12, 2026

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Replaced with #4414.
@carlaKCcarlaKC
closed this
Feb 12, 2026
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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;
}
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.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('^' + ".*" + '
WIP: Decrypt inbound Trampoline onions by arik-so · Pull Request #3585 · lightningdevkit/rust-lightning · GitHub
Skip to content
WIP: Decrypt inbound Trampoline onions - #3585
Closed
arik-so wants to merge 4 commits into
lightningdevkit:mainfrom 
arik-so:arik/trampoline/inbound-parsing
Closed
WIP: Decrypt inbound Trampoline onions#3585
arik-so wants to merge 4 commits into
lightningdevkit:mainfrom 
arik-so:arik/trampoline/inbound-parsing
Conversation
@arik-so
@arik-soarik-so
commented
Feb 3, 2025

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This is a WIP that depends on #3386 and #3579.
@arik-so
arik-soforce-pushed
the
arik/trampoline/inbound-parsing
branch
2 times, most recently
from
098ccea to
8127bc5CompareFebruary 10, 2025 08:39
@arik-so
Add TrampolineForward variant to PendingHTLCRouting
5cc6bb1
Forwarding Trampoline packets requires storing their shared secrets on
top of the outer onion's shared secrets, as well as referencing the
next hop by its node ID as opposed to by an SCID. We modify
PendingHTLCRouting to adequately represent this information.
@codecov
codecovBot
commented
Feb 10, 2025•

edited

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Codecov Report
❌ Patch coverage is 11.04651% with 153 lines in your changes missing coverage. Please review.

✅ Project coverage is 88.41%. Comparing base (098ccea) to head (63608c2).
⚠️ Report is 2263 commits behind head on main.
Files with missing linesPatch %Lines
lightning/src/ln/msgs.rs1.96%99 Missing and 1 partial ⚠️
lightning/src/ln/onion_payment.rs11.76%30 Missing ⚠️
lightning/src/ln/onion_utils.rs0.00%18 Missing ⚠️
lightning/src/ln/channelmanager.rs72.22%5 Missing ⚠️
Additional details and impacted files
@@ Coverage Diff @@## main #3585 +/- ##
==========================================
- Coverage 88.42% 88.41% -0.01% 
==========================================
Files 149 149 Lines 115755 115925 +170 Branches 115755 115925 +170 ==========================================
+ Hits 102360 102499 +139 - Misses 10884 10912 +28 - Partials 2511 2514 +3 
☔ View full report in Codecov by Sentry.

📢 Have feedback on the report? Share it here.
 🚀 New features to boost your workflow: 
  • ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
@arik-so
Introduce HopConnector enum
51cecfc
In order to move the Trampoline-specific data from the onion decryption
layer to the PendingHTLCRouting enum, we need to make the
NextPacketDetails more descriptive, which we do here by virtue of
converting the outbound_scid field into an enum than is more expressive
in its Trampoline variant.
@arik-so
Parse inbound TrampolineEntrypoint payload
0e61db7
@arik-so
Decrypt inbound Trampoline packets
63608c2
@arik-so
arik-soforce-pushed
the
arik/trampoline/inbound-parsing
branch
from
8127bc5 to
63608c2CompareFebruary 10, 2025 08:50
@arik-soarik-so
mentioned this pull request
Feb 10, 2025
 Merged

@carlaKC
carlaKC
commented
Feb 12, 2026

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Replaced with #4414.
@carlaKCcarlaKC
closed this
Feb 12, 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 = [];
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('^' + ".*" + '
WIP: Decrypt inbound Trampoline onions by arik-so · Pull Request #3585 · lightningdevkit/rust-lightning · GitHub
Skip to content
WIP: Decrypt inbound Trampoline onions - #3585
Closed
arik-so wants to merge 4 commits into
lightningdevkit:mainfrom 
arik-so:arik/trampoline/inbound-parsing
Closed
WIP: Decrypt inbound Trampoline onions#3585
arik-so wants to merge 4 commits into
lightningdevkit:mainfrom 
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Conversation
@arik-so
@arik-soarik-so
commented
Feb 3, 2025

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This is a WIP that depends on #3386 and #3579.
@arik-so
arik-soforce-pushed
the
arik/trampoline/inbound-parsing
branch
2 times, most recently
from
098ccea to
8127bc5CompareFebruary 10, 2025 08:39
@arik-so
Add TrampolineForward variant to PendingHTLCRouting
5cc6bb1
Forwarding Trampoline packets requires storing their shared secrets on
top of the outer onion's shared secrets, as well as referencing the
next hop by its node ID as opposed to by an SCID. We modify
PendingHTLCRouting to adequately represent this information.
@codecov
codecovBot
commented
Feb 10, 2025•

edited

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Codecov Report
❌ Patch coverage is 11.04651% with 153 lines in your changes missing coverage. Please review.

✅ Project coverage is 88.41%. Comparing base (098ccea) to head (63608c2).
⚠️ Report is 2263 commits behind head on main.
Files with missing linesPatch %Lines
lightning/src/ln/msgs.rs1.96%99 Missing and 1 partial ⚠️
lightning/src/ln/onion_payment.rs11.76%30 Missing ⚠️
lightning/src/ln/onion_utils.rs0.00%18 Missing ⚠️
lightning/src/ln/channelmanager.rs72.22%5 Missing ⚠️
Additional details and impacted files
@@ Coverage Diff @@## main #3585 +/- ##
==========================================
- Coverage 88.42% 88.41% -0.01% 
==========================================
Files 149 149 Lines 115755 115925 +170 Branches 115755 115925 +170 ==========================================
+ Hits 102360 102499 +139 - Misses 10884 10912 +28 - Partials 2511 2514 +3 
☔ View full report in Codecov by Sentry.

📢 Have feedback on the report? Share it here.
 🚀 New features to boost your workflow: 
  • ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
@arik-so
Introduce HopConnector enum
51cecfc
In order to move the Trampoline-specific data from the onion decryption
layer to the PendingHTLCRouting enum, we need to make the
NextPacketDetails more descriptive, which we do here by virtue of
converting the outbound_scid field into an enum than is more expressive
in its Trampoline variant.
@arik-so
Parse inbound TrampolineEntrypoint payload
0e61db7
@arik-so
Decrypt inbound Trampoline packets
63608c2
@arik-so
arik-soforce-pushed
the
arik/trampoline/inbound-parsing
branch
from
8127bc5 to
63608c2CompareFebruary 10, 2025 08:50
@arik-soarik-so
mentioned this pull request
Feb 10, 2025
 Merged

@carlaKC
carlaKC
commented
Feb 12, 2026

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Replaced with #4414.
@carlaKCcarlaKC
closed this
Feb 12, 2026
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@arik-so@carlaKC

, '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" + '
WIP: Decrypt inbound Trampoline onions by arik-so · Pull Request #3585 · lightningdevkit/rust-lightning · GitHub
Skip to content
WIP: Decrypt inbound Trampoline onions - #3585
Closed
arik-so wants to merge 4 commits into
lightningdevkit:mainfrom 
arik-so:arik/trampoline/inbound-parsing
Closed
WIP: Decrypt inbound Trampoline onions#3585
arik-so wants to merge 4 commits into
lightningdevkit:mainfrom 
arik-so:arik/trampoline/inbound-parsing
Conversation
@arik-so
@arik-soarik-so
commented
Feb 3, 2025

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This is a WIP that depends on #3386 and #3579.
@arik-so
arik-soforce-pushed
the
arik/trampoline/inbound-parsing
branch
2 times, most recently
from
098ccea to
8127bc5CompareFebruary 10, 2025 08:39
@arik-so
Add TrampolineForward variant to PendingHTLCRouting
5cc6bb1
Forwarding Trampoline packets requires storing their shared secrets on
top of the outer onion's shared secrets, as well as referencing the
next hop by its node ID as opposed to by an SCID. We modify
PendingHTLCRouting to adequately represent this information.
@codecov
codecovBot
commented
Feb 10, 2025•

edited

Loading

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Codecov Report
❌ Patch coverage is 11.04651% with 153 lines in your changes missing coverage. Please review.

✅ Project coverage is 88.41%. Comparing base (098ccea) to head (63608c2).
⚠️ Report is 2263 commits behind head on main.
Files with missing linesPatch %Lines
lightning/src/ln/msgs.rs1.96%99 Missing and 1 partial ⚠️
lightning/src/ln/onion_payment.rs11.76%30 Missing ⚠️
lightning/src/ln/onion_utils.rs0.00%18 Missing ⚠️
lightning/src/ln/channelmanager.rs72.22%5 Missing ⚠️
Additional details and impacted files
@@ Coverage Diff @@## main #3585 +/- ##
==========================================
- Coverage 88.42% 88.41% -0.01% 
==========================================
Files 149 149 Lines 115755 115925 +170 Branches 115755 115925 +170 ==========================================
+ Hits 102360 102499 +139 - Misses 10884 10912 +28 - Partials 2511 2514 +3 
☔ View full report in Codecov by Sentry.

📢 Have feedback on the report? Share it here.
 🚀 New features to boost your workflow: 
  • ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
@arik-so
Introduce HopConnector enum
51cecfc
In order to move the Trampoline-specific data from the onion decryption
layer to the PendingHTLCRouting enum, we need to make the
NextPacketDetails more descriptive, which we do here by virtue of
converting the outbound_scid field into an enum than is more expressive
in its Trampoline variant.
@arik-so
Parse inbound TrampolineEntrypoint payload
0e61db7
@arik-so
Decrypt inbound Trampoline packets
63608c2
@arik-so
arik-soforce-pushed
the
arik/trampoline/inbound-parsing
branch
from
8127bc5 to
63608c2CompareFebruary 10, 2025 08:50
@arik-soarik-so
mentioned this pull request
Feb 10, 2025
 Merged

@carlaKC
carlaKC
commented
Feb 12, 2026

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Replaced with #4414.
@carlaKCcarlaKC
closed this
Feb 12, 2026
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2 participants

@arik-so@carlaKC

, '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('^' + ".*" + '
WIP: Decrypt inbound Trampoline onions by arik-so · Pull Request #3585 · lightningdevkit/rust-lightning · GitHub
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WIP: Decrypt inbound Trampoline onions - #3585
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WIP: Decrypt inbound Trampoline onions#3585
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This is a WIP that depends on #3386 and #3579.
@arik-so
arik-soforce-pushed
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arik/trampoline/inbound-parsing
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2 times, most recently
from
098ccea to
8127bc5CompareFebruary 10, 2025 08:39
@arik-so
Add TrampolineForward variant to PendingHTLCRouting
5cc6bb1
Forwarding Trampoline packets requires storing their shared secrets on
top of the outer onion's shared secrets, as well as referencing the
next hop by its node ID as opposed to by an SCID. We modify
PendingHTLCRouting to adequately represent this information.
@codecov
codecovBot
commented
Feb 10, 2025•

edited

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Codecov Report
❌ Patch coverage is 11.04651% with 153 lines in your changes missing coverage. Please review.

✅ Project coverage is 88.41%. Comparing base (098ccea) to head (63608c2).
⚠️ Report is 2263 commits behind head on main.
Files with missing linesPatch %Lines
lightning/src/ln/msgs.rs1.96%99 Missing and 1 partial ⚠️
lightning/src/ln/onion_payment.rs11.76%30 Missing ⚠️
lightning/src/ln/onion_utils.rs0.00%18 Missing ⚠️
lightning/src/ln/channelmanager.rs72.22%5 Missing ⚠️
Additional details and impacted files
@@ Coverage Diff @@## main #3585 +/- ##
==========================================
- Coverage 88.42% 88.41% -0.01% 
==========================================
Files 149 149 Lines 115755 115925 +170 Branches 115755 115925 +170 ==========================================
+ Hits 102360 102499 +139 - Misses 10884 10912 +28 - Partials 2511 2514 +3 
☔ View full report in Codecov by Sentry.

📢 Have feedback on the report? Share it here.
 🚀 New features to boost your workflow: 
  • ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
@arik-so
Introduce HopConnector enum
51cecfc
In order to move the Trampoline-specific data from the onion decryption
layer to the PendingHTLCRouting enum, we need to make the
NextPacketDetails more descriptive, which we do here by virtue of
converting the outbound_scid field into an enum than is more expressive
in its Trampoline variant.
@arik-so
Parse inbound TrampolineEntrypoint payload
0e61db7
@arik-so
Decrypt inbound Trampoline packets
63608c2
@arik-so
arik-soforce-pushed
the
arik/trampoline/inbound-parsing
branch
from
8127bc5 to
63608c2CompareFebruary 10, 2025 08:50
@arik-soarik-so
mentioned this pull request
Feb 10, 2025
 Merged

@carlaKC
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Feb 12, 2026

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Replaced with #4414.
@carlaKCcarlaKC
closed this
Feb 12, 2026
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, 'i');
if (__m === '*' || __re.test(location.href)) {
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document.querySelectorAll('header, nav, [role="banner"], .header, .navbar, .sticky, .fixed-top, [style*="position: fixed"], [style*="position:sticky"]').forEach(function(el) {
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} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
WIP: Decrypt inbound Trampoline onions by arik-so · Pull Request #3585 · lightningdevkit/rust-lightning · GitHub
Skip to content
WIP: Decrypt inbound Trampoline onions - #3585
Closed
arik-so wants to merge 4 commits into
lightningdevkit:mainfrom 
arik-so:arik/trampoline/inbound-parsing
Closed
WIP: Decrypt inbound Trampoline onions#3585
arik-so wants to merge 4 commits into
lightningdevkit:mainfrom 
arik-so:arik/trampoline/inbound-parsing
Conversation
@arik-so
@arik-soarik-so
commented
Feb 3, 2025

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This is a WIP that depends on #3386 and #3579.
@arik-so
arik-soforce-pushed
the
arik/trampoline/inbound-parsing
branch
2 times, most recently
from
098ccea to
8127bc5CompareFebruary 10, 2025 08:39
@arik-so
Add TrampolineForward variant to PendingHTLCRouting
5cc6bb1
Forwarding Trampoline packets requires storing their shared secrets on
top of the outer onion's shared secrets, as well as referencing the
next hop by its node ID as opposed to by an SCID. We modify
PendingHTLCRouting to adequately represent this information.
@codecov
codecovBot
commented
Feb 10, 2025•

edited

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Codecov Report
❌ Patch coverage is 11.04651% with 153 lines in your changes missing coverage. Please review.

✅ Project coverage is 88.41%. Comparing base (098ccea) to head (63608c2).
⚠️ Report is 2263 commits behind head on main.
Files with missing linesPatch %Lines
lightning/src/ln/msgs.rs1.96%99 Missing and 1 partial ⚠️
lightning/src/ln/onion_payment.rs11.76%30 Missing ⚠️
lightning/src/ln/onion_utils.rs0.00%18 Missing ⚠️
lightning/src/ln/channelmanager.rs72.22%5 Missing ⚠️
Additional details and impacted files
@@ Coverage Diff @@## main #3585 +/- ##
==========================================
- Coverage 88.42% 88.41% -0.01% 
==========================================
Files 149 149 Lines 115755 115925 +170 Branches 115755 115925 +170 ==========================================
+ Hits 102360 102499 +139 - Misses 10884 10912 +28 - Partials 2511 2514 +3 
☔ View full report in Codecov by Sentry.

📢 Have feedback on the report? Share it here.
 🚀 New features to boost your workflow: 
  • ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
@arik-so
Introduce HopConnector enum
51cecfc
In order to move the Trampoline-specific data from the onion decryption
layer to the PendingHTLCRouting enum, we need to make the
NextPacketDetails more descriptive, which we do here by virtue of
converting the outbound_scid field into an enum than is more expressive
in its Trampoline variant.
@arik-so
Parse inbound TrampolineEntrypoint payload
0e61db7
@arik-so
Decrypt inbound Trampoline packets
63608c2
@arik-so
arik-soforce-pushed
the
arik/trampoline/inbound-parsing
branch
from
8127bc5 to
63608c2CompareFebruary 10, 2025 08:50
@arik-soarik-so
mentioned this pull request
Feb 10, 2025
 Merged

@carlaKC
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Feb 12, 2026

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Replaced with #4414.
@carlaKCcarlaKC
closed this
Feb 12, 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 */
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[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); }
})();
})();
WIP: Decrypt inbound Trampoline onions by arik-so · Pull Request #3585 · lightningdevkit/rust-lightning · GitHub
Skip to content
WIP: Decrypt inbound Trampoline onions - #3585
Closed
arik-so wants to merge 4 commits into
lightningdevkit:mainfrom 
arik-so:arik/trampoline/inbound-parsing
Closed
WIP: Decrypt inbound Trampoline onions#3585
arik-so wants to merge 4 commits into
lightningdevkit:mainfrom 
arik-so:arik/trampoline/inbound-parsing
Conversation
@arik-so
@arik-soarik-so
commented
Feb 3, 2025

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This is a WIP that depends on #3386 and #3579.
@arik-so
arik-soforce-pushed
the
arik/trampoline/inbound-parsing
branch
2 times, most recently
from
098ccea to
8127bc5CompareFebruary 10, 2025 08:39
@arik-so
Add TrampolineForward variant to PendingHTLCRouting
5cc6bb1
Forwarding Trampoline packets requires storing their shared secrets on
top of the outer onion's shared secrets, as well as referencing the
next hop by its node ID as opposed to by an SCID. We modify
PendingHTLCRouting to adequately represent this information.
@codecov
codecovBot
commented
Feb 10, 2025•

edited

Loading

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Codecov Report
❌ Patch coverage is 11.04651% with 153 lines in your changes missing coverage. Please review.

✅ Project coverage is 88.41%. Comparing base (098ccea) to head (63608c2).
⚠️ Report is 2263 commits behind head on main.
Files with missing linesPatch %Lines
lightning/src/ln/msgs.rs1.96%99 Missing and 1 partial ⚠️
lightning/src/ln/onion_payment.rs11.76%30 Missing ⚠️
lightning/src/ln/onion_utils.rs0.00%18 Missing ⚠️
lightning/src/ln/channelmanager.rs72.22%5 Missing ⚠️
Additional details and impacted files
@@ Coverage Diff @@## main #3585 +/- ##
==========================================
- Coverage 88.42% 88.41% -0.01% 
==========================================
Files 149 149 Lines 115755 115925 +170 Branches 115755 115925 +170 ==========================================
+ Hits 102360 102499 +139 - Misses 10884 10912 +28 - Partials 2511 2514 +3 
☔ View full report in Codecov by Sentry.

📢 Have feedback on the report? Share it here.
 🚀 New features to boost your workflow: 
  • ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
@arik-so
Introduce HopConnector enum
51cecfc
In order to move the Trampoline-specific data from the onion decryption
layer to the PendingHTLCRouting enum, we need to make the
NextPacketDetails more descriptive, which we do here by virtue of
converting the outbound_scid field into an enum than is more expressive
in its Trampoline variant.
@arik-so
Parse inbound TrampolineEntrypoint payload
0e61db7
@arik-so
Decrypt inbound Trampoline packets
63608c2
@arik-so
arik-soforce-pushed
the
arik/trampoline/inbound-parsing
branch
from
8127bc5 to
63608c2CompareFebruary 10, 2025 08:50
@arik-soarik-so
mentioned this pull request
Feb 10, 2025
 Merged

@carlaKC
carlaKC
commented
Feb 12, 2026

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Replaced with #4414.
@carlaKCcarlaKC
closed this
Feb 12, 2026
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2 participants

@arik-so@carlaKC