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Low 32 Bitcoin

mod+multi: bump neutrino to v0.16.2, btcwallet to 70a94ea39e9c

LL641ff68c View source ↗
Public commit record

What the developer wrote

Authored by Olaoluwa Osuntokun

88/100 · Strong
mod+multi: bump neutrino to v0.16.2, btcwallet to 70a94ea39e9c

In this commit, we update our two core chain backend dependencies:
neutrino is bumped from v0.16.1 to v0.16.2, and btcwallet is updated
to commit 70a94ea39e9c (a pre-release past v0.16.17).

The updated btcwallet changes the `chain.Interface` `Start` method
signature from `Start() error` to `Start(context.Context) error`. The
same change was made to neutrino's `ChainService.Start`. We update all
call sites and interface implementations across the codebase to pass a
`context.Background()` at non-test call sites, and `t.Context()` in
tests.

The affected packages are: chainntnfs/bitcoindnotify, chainreg,
config_builder, lnmock, lntest/unittest, lnwallet/btcwallet,
lnwallet/test, and routing/chainview.
✓ Specific, descriptive subject✓ Names a concrete action or component✓ Provides detailed explanatory context✓ Mentions testing or verification✓ Names security-relevant behavior explicitly
The short version

What changed, and why it matters

This commit updates two core software building blocks (neutrino and btcwallet) used by the Lightning Network Daemon (LND). The main visible change is that the 'Start' method of these building blocks now requires a context parameter, so the LND code is adjusted to pass one. The commit also pulls in newer versions of many supporting libraries. There is no direct evidence in the commit message or diff that this fixes a specific security vulnerability; it looks like a routine dependency and API-signature update. However, because it bumps chain-backend and cryptographic libraries, it could indirectly include security fixes from those upstream projects.

Recommended action

Treat as a routine but high-touch dependency update. Review the upstream btcwallet and neutrino release notes or commit history between the old and new versions to determine whether they contain security fixes. Run the full LND test suite, especially chain backend and wallet tests, to confirm the context propagation does not introduce startup/shutdown regressions. If upstream release notes disclose security issues, prioritize patching and monitor for a follow-up advisory or CVE assignment.

Security signals we found

01

Dependency bump for core chain backend (btcwallet) and light client (neutrino)

02

API signature change propagates context.Context through chain backend Start methods

03

Transitive bumps of cryptographic and networking libraries (golang.org/x/crypto, golang.org/x/net, google.golang.org/grpc, decred secp256k1)

04

No explicit security claim, CVE, or advisory in commit message or diff

Risk score

Why this scored 32/100

Our methodology →
Potential impact 5/30
Exploitability 5/25
Stealth signal 5/15
Affected reach 10/15
Confidence 4/10
Evidence quality 3/5
Human-validated context

Community notes

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