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George Tsagkarelis

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32 commits1 monitored projects1 candidates0 high-risk analyses
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LNDLightning Labs32 commits1 candidates0 high risk
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Informational 22 AI analysisMessage 85 · Strong
LL Lightning LabsLND BitcoinLightning Network

docs: add release note for SIMPLE_TAPROOT_FINAL follow-ups

This commit only adds a release-note entry describing two previously-merged fixes for taproot Lightning channels. It does not change any code. The described fixes correct how a channel-acceptor RPC reports the commitment type for final tap…

Release note references prior fixes for taproot channel commitment-type reporting and RBF cooperative-close auto-enableNo code changes in this commit; security relevance is indirect and retrospectivePotential for incorrect commitment-type reporting and premature RBF close enablement on overlay channels is described as resolved in the referenced PR
33f623c8by George Tsagkarelis+10−01 file
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Low 39 AI analysisMessage 85 · Strong
LL Lightning LabsLND BitcoinLightning Network

server: do not auto-enable RBF coop close for overlay channels

This commit fixes a configuration bug in the LND Lightning node software. Previously, enabling experimental 'taproot-overlay' channels automatically forced on a related but incompatible 'RBF cooperative close' feature. That combination wou…

Functional bug in feature flag interactionSilent failure of channel close operationsNo input validation or memory safety issue visible
6d951548by George Tsagkarelis+12−51 file
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Low 47 AI analysisMessage 73 · Adequate
LL Lightning LabsLND BitcoinLightning Network

chanacceptor: map SIMPLE_TAPROOT_FINAL in rpc acceptor

This commit fixes a bug in LND's channel-acceptor RPC where a newly added taproot channel type was not being translated into the external protocol enum. External channel-acceptor clients would receive an 'UNKNOWN' commitment type instead o…

Missing enum mapping causes external RPC consumers to misclassify commitment typeCould lead to denial of channel opens by external acceptor clientsNo direct funds loss or cryptographic weakness in the diff
58231f1fby George Tsagkarelis+24−01 file
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Informational 15 AI analysisMessage 78 · Adequate
LL Lightning LabsLND BitcoinLightning Network

lnwallet: add aux test utils

This commit adds a small helper function used only in tests. It creates a test-only object for constructing Lightning Network payment descriptors with specific values. There is no change to production code, no user-facing behavior change, …

1edf8123by George Tsagkarelis+31−01 file
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Informational 15 AI analysisMessage 55 · Thin
LL Lightning LabsLND BitcoinLightning Network

peer: add test for createHtlcValidator

This commit only adds a new unit test for an existing function called createHtlcValidator. It does not change any production code, so it cannot introduce a security vulnerability or fix one directly. The test checks that the validator corr…

8d30e7d1by George Tsagkarelis+211−01 file
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Moderate 57 AI analysisMessage 68 · Adequate
LL Lightning LabsLND BitcoinLightning Network

peer: set and use aux htlc validator

This commit adds a final safety check for a new type of Lightning payment channel feature. Before an HTLC (a pending payment) is locked into the channel state, the code now asks an external 'traffic shaper' whether the channel has enough b…

Adds final-state validation before HTLC commitmentCloses race condition between concurrent HTLC approvals and stale bandwidthOnly active when optional AuxTrafficShaper is configured
b1701cf2by George Tsagkarelis+110−01 file
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Low 42 AI analysisMessage 73 · Adequate
LL Lightning LabsLND BitcoinLightning Network

lnwallet: add and use AuxHtlcValidator to lightning channel

This commit changes how Lightning Network channels check whether a special 'custom' payment (HTLC) can be added. Previously, bandwidth checks for these custom payments happened earlier, while routes were still being planned, and multiple p…

Moved aux bandwidth validation to a single, synchronous final check before commitmentFixed NextHeight being silently left at zero in FetchLatestAuxHTLCViewSwitched HTLC view to use remote ACKed index from signed local commitment tail for consistency
773b2c1cby George Tsagkarelis+89−31 file
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Informational 15 AI analysisMessage 45 · Thin
LL Lightning LabsLND BitcoinLightning Network

scripts: add gpg key for georgetsagk

This commit simply adds a new trusted PGP public key for a person named georgetsagk to the project's release-signature verification script. It is an administrative onboarding change, not a code fix or vulnerability patch. There is no secur…

05d1df6dby George Tsagkarelis+53−02 files
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Low 28 AI analysisMessage 73 · Adequate
LL Lightning LabsLND BitcoinLightning Network

btcwallet: support combined tweak to private key

This commit adds a new option in LND's Bitcoin wallet signer that lets two different key tweaks be applied one after another to a private key, instead of only allowing one at a time. A tweak is a cryptographic adjustment used in Lightning …

Private key derivation logic changedCombined tweak ordering could affect cryptographic correctness if used incorrectly by callersNo explicit security claim in commit message or diff
8125286dby George Tsagkarelis+17−51 file
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Informational 15 AI analysisMessage 60 · Adequate
LL Lightning LabsLND BitcoinLightning Network

btcwallet: add test coverage for maybeTweakPrivKey

This commit only adds new test code for an existing private-key tweaking helper in LND's Bitcoin wallet signer. It does not change any production code, fix a bug, or alter behavior. There is no security issue in the commit itself.

e532d4e4by George Tsagkarelis+181−01 file
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Informational 15 AI analysisMessage 60 · Adequate
LL Lightning LabsLND BitcoinLightning Network

lnd: provide aux closer to chain arbitrator

This is a small, ordinary code change that wires up a new optional component (an 'aux closer') to the chain arbitrator during server startup. It only adds plumbing: importing a package under a shorter alias and passing one more optional fi…

2f869715by George Tsagkarelis+7−21 file
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Low 32 AI analysisMessage 73 · Adequate
LL Lightning LabsLND BitcoinLightning Network

contractcourt+lnwallet: move aux close finalization to chain watcher

This commit moves a finalization step for special auxiliary channel closes from the interactive negotiation phase to the point where the closing transaction is confirmed on-chain. The goal is to make the process more reliable by not depend…

Refactor of auxiliary close finalization timingReduced dependency on remote party online state for close finalizationNo direct memory-safety, cryptographic, or authorization changes visible
9a88999cby George Tsagkarelis+79−272 files
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Informational 15 AI analysisMessage 50 · Thin
LL Lightning LabsLND BitcoinLightning Network

contractcourt: add aux chan closer to chain watcher

This commit adds a new optional hook (AuxChanCloser) that lets external code finalize cooperative channel closes. It is purely an infrastructure/plumbing change: it defines an interface, adds a config field, and passes that field into the …

No security-relevant behavior change in the diffNew optional interface only; no implementation providedNo input validation, cryptography, or state-machine logic altered
fd772d45by George Tsagkarelis+18−02 files
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Informational 15 AI analysisMessage 85 · Strong
LL Lightning LabsLND BitcoinLightning Network

lnwallet+peer: extract close types to separate pkg

This commit is a straightforward internal code reorganization. It moves some data type definitions related to channel closing from one package to a new shared package so other parts of the program can use them without creating circular imp…

e1200851by George Tsagkarelis+106−915 files
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Low 26 AI analysisMessage 58 · Thin
LL Lightning LabsLND BitcoinLightning Network

lnrpc: add XFindBaseLocalChanAlias rpc

This commit adds a new read-only experimental RPC called XFindBaseLocalChanAlias to LND's router service. It lets an authorized caller ask the node: 'Given a short channel alias, what is the underlying real (base) channel ID?' The change o…

New experimental RPC exposes alias-to-base-SCID mappingRead-only lookup; no state mutation in the server handlerRelies on existing AliasMgr.FindBaseSCID; behavior depends on prior alias-registration logic not shown
f14190c0by George Tsagkarelis+600−2258 files
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Informational 15 AI analysisMessage 40 · Thin
LL Lightning LabsLND BitcoinLightning Network

docs: add release note

This commit only adds a release note describing a new experimental RPC endpoint and a known limitation (manually created aliases are lost on restart). It changes documentation only and contains no code modifications.

e7f7fe41by George Tsagkarelis+6−01 file
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Informational 21 AI analysisMessage 68 · Adequate
LL Lightning LabsLND BitcoinLightning Network

multi: add base lookup option to AddLocalAlias

This commit adds a new optional flag to LND's internal alias manager that lets callers request a reverse lookup from a channel alias back to the underlying real channel ID. It is a small feature enhancement for a new RPC endpoint and does …

No security-relevant bug fix or vulnerability patch is visible in the diff.Change is purely additive: a new optional flag with default-off behavior.Existing `gossip=true` path already stored the reverse mapping; new option only extends that behavior to non-gossip aliases.
472a2f96by George Tsagkarelis+63−136 files
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Informational 18 AI analysisMessage 60 · Adequate
LL Lightning LabsLND BitcoinLightning Network

funding: notify aux negotiator on ChannelReady

This commit adds a small notification hook so that an optional auxiliary channel negotiator is told when a new Lightning channel is ready to use. It is a feature addition, not a fix for a known security problem, and the commit message does…

New optional callback/hook introduced in channel-ready handling pathCallback receives channel identifier and peer public keyNo default implementation supplied; behavior gated by optional interface
a58a52eeby George Tsagkarelis+14−02 files
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Informational 15 AI analysisMessage 40 · Thin
LL Lightning LabsLND BitcoinLightning Network

docs: add release note

This commit only adds a line to the release notes describing a new developer-facing component called AuxChannelNegotiator. There are no code changes, no bug fixes, and no security-related content in the diff.

2302debdby George Tsagkarelis+5−01 file
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Informational 15 AI analysisMessage 80 · Strong
LL Lightning LabsLND BitcoinLightning Network

lnwallet: include peer pub key in aux chan state

This commit adds the remote peer's public key to an internal data structure (AuxChanState) used by external components to look up custom channel records. Public keys are not secrets, and the change only exposes information that was already…

be413455by George Tsagkarelis+8−01 file
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