AI-generated analysisPublished automatically and not human-verified. Validated context appears in community notes below.
← Watch feed
Low 28 Bitcoin

txscript: update tx_invalid.json from Bitcoin Core

Public commit record

What the developer wrote

Authored by Olaoluwa Osuntokun

75/100 · Adequate
txscript: update tx_invalid.json from Bitcoin Core

Updated from Bitcoin Core master
(e32bc7f817e7adeffef22a985bf8dbd4aa3e08d8), file
src/test/data/tx_invalid.json.
✓ Specific, descriptive subject✓ Names a concrete action or component✓ Provides an explanatory body✓ Mentions testing or verification
The short version

What changed, and why it matters

This commit updates a single test data file (tx_invalid.json) used to check that btcd rejects invalid Bitcoin transactions. It pulls in newer test vectors from Bitcoin Core and adjusts some test flags. It does not change any production code, so it cannot directly introduce a live security bug. However, the new test cases include important consensus-related checks (e.g., duplicate inputs, bad coinbase sizes, null inputs, and stricter script rules). If btcd's existing code does not already handle these cases correctly, the tests may now fail and reveal latent consensus or denial-of-service issues.

Recommended action

Run the txscript test suite to confirm all updated vectors pass. If any new BADTX or CONST_SCRIPTCODE cases fail, file follow-up issues to fix the underlying validation logic before relying on this version for consensus-critical operation. Review the corresponding Bitcoin Core commit e32bc7f8 for any related source-code changes that may also need to be ported to btcd.

Security signals we found

01

Test data refresh from upstream Bitcoin Core consensus test vectors

02

Addition of BADTX cases for transaction sanity checks (duplicate inputs, coinbase size, null inputs, output value overflow/negative)

03

Addition of CONST_SCRIPTCODE test vectors (BIP 180 area)

04

Addition of P2WSH empty-redeem witness test vector

05

Removal of 'P2SH' prefix from many verifyFlags, indicating test expectations now exercise base-script rules rather than P2SH wrapping

06

No production code changes in this commit

Risk score

Why this scored 28/100

Our methodology →
Potential impact 5/30
Exploitability 3/25
Stealth signal 3/15
Affected reach 5/15
Confidence 8/10
Evidence quality 4/5
Human-validated context

Community notes

Notes can correct, qualify, or add evidence to the AI analysis. Every note shown here has been validated by a human moderator.

No validated notes yet.

The AI analysis stands alone for now. Submit a note if you can add evidence or important context.