Add python integration test for spontaneous keysend payments - #923

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tnull merged 2 commits into
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heyolaniran:feat/python_binding_test
Jun 24, 2026
Merged

Add python integration test for spontaneous keysend payments#923
tnull merged 2 commits into
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heyolaniran:feat/python_binding_test

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@heyolaniranheyolaniran commented Jun 5, 2026

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Hello @tnull x @enigbe x @Camillarhi This commit adds the test_spontaneous_payment method which :

  • sets up two nodes in regtest environment, funds them, and opens channel
  • Arbitrary sends a 2.5M msat keysend with a custom TLV record
  • Asserts PAYMENT_SUCCESSFUL / PAYMENT_RECEIVED events
  • verify payment details Shared helpers (_setup_two_nodes, _fund_nodes, _open_channel_and_wait_ready, _stop_and_cleanup) reduce duplication for future integration

Motivation

The python bindings has not coverage for send_with_custom_tlvs

Run the new test

  • uv run --group dev python -m unittest src.ldk_node.test_ldk_node.TestLdkNode.test_spontaneous_payment -v

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CI is currently not available, so we'll need to wait a bit. One comment for now

Comment threadbindings/python/src/ldk_node/test_ldk_node.py Outdated
@heyolaniran
heyolaniranforce-pushed the feat/python_binding_test branch from 0a308cb to 8056689CompareJune 8, 2026 18:31
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Comment threadbindings/python/src/ldk_node/test_ldk_node.py
@heyolaniran
heyolaniranforce-pushed the feat/python_binding_test branch from 8056689 to 3c9be11CompareJune 15, 2026 17:23
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This needs a rebase now, sorry!

@heyolaniran

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@tnull fine, the conflit is resolved and i notice the CI is back !

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@tnull fine, the conflit is resolved and i notice the CI is back !

Yes, please rebase now that #947 landed to get CI to pass.

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Yes, please rebase now that #947 landed to get CI to pass.

@tnull the branch is up to date and the CI passed successfully.

tnull
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Please cleanup the commit history. It should just be two commits: first the prefactor extracting logic into the helper, then using the helper adding the new test case.

Please also make sure to follow the guidance on https://cbea.ms/git-commit/ for how to format/structure commit messages.

@heyolaniran
Extract shared setup helpers in Python binding tests
7fa8d0f
Duplicated node setup, funding, channel opening, and teardown logic
made integration tests harder to read and maintain. Hard-coded ports
also risked collisions when tests run in parallel.
Introduce reusable helpers for two-node setup, funding, channel
ready waiting, and cleanup. Bind ephemeral ports to avoid conflicts,
and refactor test_channel_full_cycle to use them without changing
test behavior.
@heyolaniran
Add spontaneous payment Python binding test
b318ccd
Exercise the spontaneous payment (keysend) path through the Python
UniFFI bindings after a channel is ready. Assert events, custom TLV
records, and persisted payment metadata on both sender and receiver.
@heyolaniran
heyolaniranforce-pushed the feat/python_binding_test branch from 51df0ce to b318ccdCompareJune 24, 2026 13:11
@heyolaniran

heyolaniran commented Jun 24, 2026

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Please cleanup the commit history. It should just be two commits: first the prefactor extracting logic into the helper, then using the helper adding the new test case.

Please also make sure to follow the guidance on https://cbea.ms/git-commit/ for how to format/structure commit messages.

sure. history cleaned @tnull

@tnull
tnull merged commit 8a54260 into lightningdevkit:mainJun 24, 2026
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, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
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}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

Skip to content
 Add python integration test for spontaneous keysend payments - #923
Merged
tnull merged 2 commits into
lightningdevkit:mainfrom 
heyolaniran:feat/python_binding_test
Jun 24, 2026
Merged
 Add python integration test for spontaneous keysend payments#923
tnull merged 2 commits into
lightningdevkit:mainfrom 
heyolaniran:feat/python_binding_test
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@heyolaniran
@heyolaniranheyolaniran
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Jun 5, 2026

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Hello @tnull x @enigbe x @Camillarhi This commit adds the test_spontaneous_payment method which :
  • sets up two nodes in regtest environment, funds them, and opens channel
  • Arbitrary sends a 2.5M msat keysend with a custom TLV record
  • Asserts PAYMENT_SUCCESSFUL / PAYMENT_RECEIVED events
  • verify payment details Shared helpers (_setup_two_nodes, _fund_nodes, _open_channel_and_wait_ready, _stop_and_cleanup) reduce duplication for future integration
Motivation
The python bindings has not coverage for send_with_custom_tlvs
Run the new test
  •  uv run --group dev python -m unittest src.ldk_node.test_ldk_node.TestLdkNode.test_spontaneous_payment -v
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CI is currently not available, so we'll need to wait a bit. One comment for now
Comment threadbindings/python/src/ldk_node/test_ldk_node.py
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This needs a rebase now, sorry!
@heyolaniran
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@tnull fine, the conflit is resolved and i notice the CI is back !
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@tnull fine, the conflit is resolved and i notice the CI is back !
Yes, please rebase now that #947 landed to get CI to pass.
@tnull
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June 24, 2026 10:02
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Yes, please rebase now that #947 landed to get CI to pass.
@tnull the branch is up to date and the CI passed successfully.
tnull
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Please cleanup the commit history. It should just be two commits: first the prefactor extracting logic into the helper, then using the helper adding the new test case.
Please also make sure to follow the guidance on https://cbea.ms/git-commit/ for how to format/structure commit messages.
@heyolaniran
Extract shared setup helpers in Python binding tests
7fa8d0f
Duplicated node setup, funding, channel opening, and teardown logic
made integration tests harder to read and maintain. Hard-coded ports
also risked collisions when tests run in parallel.
Introduce reusable helpers for two-node setup, funding, channel
ready waiting, and cleanup. Bind ephemeral ports to avoid conflicts,
and refactor test_channel_full_cycle to use them without changing
test behavior.
@heyolaniran
Add spontaneous payment Python binding test
b318ccd
Exercise the spontaneous payment (keysend) path through the Python
UniFFI bindings after a channel is ready. Assert events, custom TLV
records, and persisted payment metadata on both sender and receiver.
@heyolaniran
heyolaniranforce-pushed
the
feat/python_binding_test
branch
from
51df0ce to
b318ccdCompareJune 24, 2026 13:11
@heyolaniran
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Jun 24, 2026

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Please cleanup the commit history. It should just be two commits: first the prefactor extracting logic into the helper, then using the helper adding the new test case.
Please also make sure to follow the guidance on https://cbea.ms/git-commit/ for how to format/structure commit messages.
sure. history cleaned @tnull
@tnull
tnull
merged commit 8a54260
into
lightningdevkit:mainJun 24, 2026

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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
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})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
 Add python integration test for spontaneous keysend payments - #923
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lightningdevkit:mainfrom 
heyolaniran:feat/python_binding_test
Jun 24, 2026
Merged
 Add python integration test for spontaneous keysend payments#923
tnull merged 2 commits into
lightningdevkit:mainfrom 
heyolaniran:feat/python_binding_test
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@heyolaniranheyolaniran
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Jun 5, 2026

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Hello @tnull x @enigbe x @Camillarhi This commit adds the test_spontaneous_payment method which :
  • sets up two nodes in regtest environment, funds them, and opens channel
  • Arbitrary sends a 2.5M msat keysend with a custom TLV record
  • Asserts PAYMENT_SUCCESSFUL / PAYMENT_RECEIVED events
  • verify payment details Shared helpers (_setup_two_nodes, _fund_nodes, _open_channel_and_wait_ready, _stop_and_cleanup) reduce duplication for future integration
Motivation
The python bindings has not coverage for send_with_custom_tlvs
Run the new test
  •  uv run --group dev python -m unittest src.ldk_node.test_ldk_node.TestLdkNode.test_spontaneous_payment -v
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CI is currently not available, so we'll need to wait a bit. One comment for now
Comment threadbindings/python/src/ldk_node/test_ldk_node.py
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This needs a rebase now, sorry!
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@tnull fine, the conflit is resolved and i notice the CI is back !
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@tnull fine, the conflit is resolved and i notice the CI is back !
Yes, please rebase now that #947 landed to get CI to pass.
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Yes, please rebase now that #947 landed to get CI to pass.
@tnull the branch is up to date and the CI passed successfully.
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Please cleanup the commit history. It should just be two commits: first the prefactor extracting logic into the helper, then using the helper adding the new test case.
Please also make sure to follow the guidance on https://cbea.ms/git-commit/ for how to format/structure commit messages.
@heyolaniran
Extract shared setup helpers in Python binding tests
7fa8d0f
Duplicated node setup, funding, channel opening, and teardown logic
made integration tests harder to read and maintain. Hard-coded ports
also risked collisions when tests run in parallel.
Introduce reusable helpers for two-node setup, funding, channel
ready waiting, and cleanup. Bind ephemeral ports to avoid conflicts,
and refactor test_channel_full_cycle to use them without changing
test behavior.
@heyolaniran
Add spontaneous payment Python binding test
b318ccd
Exercise the spontaneous payment (keysend) path through the Python
UniFFI bindings after a channel is ready. Assert events, custom TLV
records, and persisted payment metadata on both sender and receiver.
@heyolaniran
heyolaniranforce-pushed
the
feat/python_binding_test
branch
from
51df0ce to
b318ccdCompareJune 24, 2026 13:11
@heyolaniran
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Please cleanup the commit history. It should just be two commits: first the prefactor extracting logic into the helper, then using the helper adding the new test case.
Please also make sure to follow the guidance on https://cbea.ms/git-commit/ for how to format/structure commit messages.
sure. history cleaned @tnull
@tnull
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merged commit 8a54260
into
lightningdevkit:mainJun 24, 2026

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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
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})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
 Add python integration test for spontaneous keysend payments - #923
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tnull merged 2 commits into
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heyolaniran:feat/python_binding_test
Jun 24, 2026
Merged
 Add python integration test for spontaneous keysend payments#923
tnull merged 2 commits into
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heyolaniran:feat/python_binding_test
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Hello @tnull x @enigbe x @Camillarhi This commit adds the test_spontaneous_payment method which :
  • sets up two nodes in regtest environment, funds them, and opens channel
  • Arbitrary sends a 2.5M msat keysend with a custom TLV record
  • Asserts PAYMENT_SUCCESSFUL / PAYMENT_RECEIVED events
  • verify payment details Shared helpers (_setup_two_nodes, _fund_nodes, _open_channel_and_wait_ready, _stop_and_cleanup) reduce duplication for future integration
Motivation
The python bindings has not coverage for send_with_custom_tlvs
Run the new test
  •  uv run --group dev python -m unittest src.ldk_node.test_ldk_node.TestLdkNode.test_spontaneous_payment -v
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CI is currently not available, so we'll need to wait a bit. One comment for now
Comment threadbindings/python/src/ldk_node/test_ldk_node.py
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This needs a rebase now, sorry!
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@tnull fine, the conflit is resolved and i notice the CI is back !
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@tnull fine, the conflit is resolved and i notice the CI is back !
Yes, please rebase now that #947 landed to get CI to pass.
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Yes, please rebase now that #947 landed to get CI to pass.
@tnull the branch is up to date and the CI passed successfully.
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Please cleanup the commit history. It should just be two commits: first the prefactor extracting logic into the helper, then using the helper adding the new test case.
Please also make sure to follow the guidance on https://cbea.ms/git-commit/ for how to format/structure commit messages.
@heyolaniran
Extract shared setup helpers in Python binding tests
7fa8d0f
Duplicated node setup, funding, channel opening, and teardown logic
made integration tests harder to read and maintain. Hard-coded ports
also risked collisions when tests run in parallel.
Introduce reusable helpers for two-node setup, funding, channel
ready waiting, and cleanup. Bind ephemeral ports to avoid conflicts,
and refactor test_channel_full_cycle to use them without changing
test behavior.
@heyolaniran
Add spontaneous payment Python binding test
b318ccd
Exercise the spontaneous payment (keysend) path through the Python
UniFFI bindings after a channel is ready. Assert events, custom TLV
records, and persisted payment metadata on both sender and receiver.
@heyolaniran
heyolaniranforce-pushed
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Please cleanup the commit history. It should just be two commits: first the prefactor extracting logic into the helper, then using the helper adding the new test case.
Please also make sure to follow the guidance on https://cbea.ms/git-commit/ for how to format/structure commit messages.
sure. history cleaned @tnull
@tnull
tnull
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lightningdevkit:mainJun 24, 2026

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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

Skip to content
 Add python integration test for spontaneous keysend payments - #923
Merged
tnull merged 2 commits into
lightningdevkit:mainfrom 
heyolaniran:feat/python_binding_test
Jun 24, 2026
Merged
 Add python integration test for spontaneous keysend payments#923
tnull merged 2 commits into
lightningdevkit:mainfrom 
heyolaniran:feat/python_binding_test
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Hello @tnull x @enigbe x @Camillarhi This commit adds the test_spontaneous_payment method which :
  • sets up two nodes in regtest environment, funds them, and opens channel
  • Arbitrary sends a 2.5M msat keysend with a custom TLV record
  • Asserts PAYMENT_SUCCESSFUL / PAYMENT_RECEIVED events
  • verify payment details Shared helpers (_setup_two_nodes, _fund_nodes, _open_channel_and_wait_ready, _stop_and_cleanup) reduce duplication for future integration
Motivation
The python bindings has not coverage for send_with_custom_tlvs
Run the new test
  •  uv run --group dev python -m unittest src.ldk_node.test_ldk_node.TestLdkNode.test_spontaneous_payment -v
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CI is currently not available, so we'll need to wait a bit. One comment for now
Comment threadbindings/python/src/ldk_node/test_ldk_node.py
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This needs a rebase now, sorry!
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@tnull fine, the conflit is resolved and i notice the CI is back !
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@tnull fine, the conflit is resolved and i notice the CI is back !
Yes, please rebase now that #947 landed to get CI to pass.
@tnull
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June 24, 2026 10:02
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Yes, please rebase now that #947 landed to get CI to pass.
@tnull the branch is up to date and the CI passed successfully.
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Please cleanup the commit history. It should just be two commits: first the prefactor extracting logic into the helper, then using the helper adding the new test case.
Please also make sure to follow the guidance on https://cbea.ms/git-commit/ for how to format/structure commit messages.
@heyolaniran
Extract shared setup helpers in Python binding tests
7fa8d0f
Duplicated node setup, funding, channel opening, and teardown logic
made integration tests harder to read and maintain. Hard-coded ports
also risked collisions when tests run in parallel.
Introduce reusable helpers for two-node setup, funding, channel
ready waiting, and cleanup. Bind ephemeral ports to avoid conflicts,
and refactor test_channel_full_cycle to use them without changing
test behavior.
@heyolaniran
Add spontaneous payment Python binding test
b318ccd
Exercise the spontaneous payment (keysend) path through the Python
UniFFI bindings after a channel is ready. Assert events, custom TLV
records, and persisted payment metadata on both sender and receiver.
@heyolaniran
heyolaniranforce-pushed
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feat/python_binding_test
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b318ccdCompareJune 24, 2026 13:11
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Please cleanup the commit history. It should just be two commits: first the prefactor extracting logic into the helper, then using the helper adding the new test case.
Please also make sure to follow the guidance on https://cbea.ms/git-commit/ for how to format/structure commit messages.
sure. history cleaned @tnull
@tnull
tnull
merged commit 8a54260
into
lightningdevkit:mainJun 24, 2026

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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
 Add python integration test for spontaneous keysend payments - #923
Merged
tnull merged 2 commits into
lightningdevkit:mainfrom 
heyolaniran:feat/python_binding_test
Jun 24, 2026
Merged
 Add python integration test for spontaneous keysend payments#923
tnull merged 2 commits into
lightningdevkit:mainfrom 
heyolaniran:feat/python_binding_test
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@heyolaniran
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Hello @tnull x @enigbe x @Camillarhi This commit adds the test_spontaneous_payment method which :
  • sets up two nodes in regtest environment, funds them, and opens channel
  • Arbitrary sends a 2.5M msat keysend with a custom TLV record
  • Asserts PAYMENT_SUCCESSFUL / PAYMENT_RECEIVED events
  • verify payment details Shared helpers (_setup_two_nodes, _fund_nodes, _open_channel_and_wait_ready, _stop_and_cleanup) reduce duplication for future integration
Motivation
The python bindings has not coverage for send_with_custom_tlvs
Run the new test
  •  uv run --group dev python -m unittest src.ldk_node.test_ldk_node.TestLdkNode.test_spontaneous_payment -v
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CI is currently not available, so we'll need to wait a bit. One comment for now
Comment threadbindings/python/src/ldk_node/test_ldk_node.py
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This needs a rebase now, sorry!
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@tnull fine, the conflit is resolved and i notice the CI is back !
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@tnull fine, the conflit is resolved and i notice the CI is back !
Yes, please rebase now that #947 landed to get CI to pass.
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Yes, please rebase now that #947 landed to get CI to pass.
@tnull the branch is up to date and the CI passed successfully.
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Please cleanup the commit history. It should just be two commits: first the prefactor extracting logic into the helper, then using the helper adding the new test case.
Please also make sure to follow the guidance on https://cbea.ms/git-commit/ for how to format/structure commit messages.
@heyolaniran
Extract shared setup helpers in Python binding tests
7fa8d0f
Duplicated node setup, funding, channel opening, and teardown logic
made integration tests harder to read and maintain. Hard-coded ports
also risked collisions when tests run in parallel.
Introduce reusable helpers for two-node setup, funding, channel
ready waiting, and cleanup. Bind ephemeral ports to avoid conflicts,
and refactor test_channel_full_cycle to use them without changing
test behavior.
@heyolaniran
Add spontaneous payment Python binding test
b318ccd
Exercise the spontaneous payment (keysend) path through the Python
UniFFI bindings after a channel is ready. Assert events, custom TLV
records, and persisted payment metadata on both sender and receiver.
@heyolaniran
heyolaniranforce-pushed
the
feat/python_binding_test
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from
51df0ce to
b318ccdCompareJune 24, 2026 13:11
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Please cleanup the commit history. It should just be two commits: first the prefactor extracting logic into the helper, then using the helper adding the new test case.
Please also make sure to follow the guidance on https://cbea.ms/git-commit/ for how to format/structure commit messages.
sure. history cleaned @tnull
@tnull
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merged commit 8a54260
into
lightningdevkit:mainJun 24, 2026

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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
 Add python integration test for spontaneous keysend payments - #923
Merged
tnull merged 2 commits into
lightningdevkit:mainfrom 
heyolaniran:feat/python_binding_test
Jun 24, 2026
Merged
 Add python integration test for spontaneous keysend payments#923
tnull merged 2 commits into
lightningdevkit:mainfrom 
heyolaniran:feat/python_binding_test
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@heyolaniran
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Jun 5, 2026

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Hello @tnull x @enigbe x @Camillarhi This commit adds the test_spontaneous_payment method which :
  • sets up two nodes in regtest environment, funds them, and opens channel
  • Arbitrary sends a 2.5M msat keysend with a custom TLV record
  • Asserts PAYMENT_SUCCESSFUL / PAYMENT_RECEIVED events
  • verify payment details Shared helpers (_setup_two_nodes, _fund_nodes, _open_channel_and_wait_ready, _stop_and_cleanup) reduce duplication for future integration
Motivation
The python bindings has not coverage for send_with_custom_tlvs
Run the new test
  •  uv run --group dev python -m unittest src.ldk_node.test_ldk_node.TestLdkNode.test_spontaneous_payment -v
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CI is currently not available, so we'll need to wait a bit. One comment for now
Comment threadbindings/python/src/ldk_node/test_ldk_node.py
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This needs a rebase now, sorry!
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@tnull fine, the conflit is resolved and i notice the CI is back !
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@tnull fine, the conflit is resolved and i notice the CI is back !
Yes, please rebase now that #947 landed to get CI to pass.
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Yes, please rebase now that #947 landed to get CI to pass.
@tnull the branch is up to date and the CI passed successfully.
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Please cleanup the commit history. It should just be two commits: first the prefactor extracting logic into the helper, then using the helper adding the new test case.
Please also make sure to follow the guidance on https://cbea.ms/git-commit/ for how to format/structure commit messages.
@heyolaniran
Extract shared setup helpers in Python binding tests
7fa8d0f
Duplicated node setup, funding, channel opening, and teardown logic
made integration tests harder to read and maintain. Hard-coded ports
also risked collisions when tests run in parallel.
Introduce reusable helpers for two-node setup, funding, channel
ready waiting, and cleanup. Bind ephemeral ports to avoid conflicts,
and refactor test_channel_full_cycle to use them without changing
test behavior.
@heyolaniran
Add spontaneous payment Python binding test
b318ccd
Exercise the spontaneous payment (keysend) path through the Python
UniFFI bindings after a channel is ready. Assert events, custom TLV
records, and persisted payment metadata on both sender and receiver.
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Please cleanup the commit history. It should just be two commits: first the prefactor extracting logic into the helper, then using the helper adding the new test case.
Please also make sure to follow the guidance on https://cbea.ms/git-commit/ for how to format/structure commit messages.
sure. history cleaned @tnull
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}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

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 Add python integration test for spontaneous keysend payments - #923
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Merged
 Add python integration test for spontaneous keysend payments#923
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heyolaniran:feat/python_binding_test
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Hello @tnull x @enigbe x @Camillarhi This commit adds the test_spontaneous_payment method which :
  • sets up two nodes in regtest environment, funds them, and opens channel
  • Arbitrary sends a 2.5M msat keysend with a custom TLV record
  • Asserts PAYMENT_SUCCESSFUL / PAYMENT_RECEIVED events
  • verify payment details Shared helpers (_setup_two_nodes, _fund_nodes, _open_channel_and_wait_ready, _stop_and_cleanup) reduce duplication for future integration
Motivation
The python bindings has not coverage for send_with_custom_tlvs
Run the new test
  •  uv run --group dev python -m unittest src.ldk_node.test_ldk_node.TestLdkNode.test_spontaneous_payment -v
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CI is currently not available, so we'll need to wait a bit. One comment for now
Comment threadbindings/python/src/ldk_node/test_ldk_node.py
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This needs a rebase now, sorry!
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@tnull fine, the conflit is resolved and i notice the CI is back !
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@tnull fine, the conflit is resolved and i notice the CI is back !
Yes, please rebase now that #947 landed to get CI to pass.
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Yes, please rebase now that #947 landed to get CI to pass.
@tnull the branch is up to date and the CI passed successfully.
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Please cleanup the commit history. It should just be two commits: first the prefactor extracting logic into the helper, then using the helper adding the new test case.
Please also make sure to follow the guidance on https://cbea.ms/git-commit/ for how to format/structure commit messages.
@heyolaniran
Extract shared setup helpers in Python binding tests
7fa8d0f
Duplicated node setup, funding, channel opening, and teardown logic
made integration tests harder to read and maintain. Hard-coded ports
also risked collisions when tests run in parallel.
Introduce reusable helpers for two-node setup, funding, channel
ready waiting, and cleanup. Bind ephemeral ports to avoid conflicts,
and refactor test_channel_full_cycle to use them without changing
test behavior.
@heyolaniran
Add spontaneous payment Python binding test
b318ccd
Exercise the spontaneous payment (keysend) path through the Python
UniFFI bindings after a channel is ready. Assert events, custom TLV
records, and persisted payment metadata on both sender and receiver.
@heyolaniran
heyolaniranforce-pushed
the
feat/python_binding_test
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b318ccdCompareJune 24, 2026 13:11
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Please cleanup the commit history. It should just be two commits: first the prefactor extracting logic into the helper, then using the helper adding the new test case.
Please also make sure to follow the guidance on https://cbea.ms/git-commit/ for how to format/structure commit messages.
sure. history cleaned @tnull
@tnull
tnull
merged commit 8a54260
into
lightningdevkit:mainJun 24, 2026

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