fix: avoid panic in inscription parsing #3155
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Important Review skippedAuto incremental reviews are disabled on this repository. Please check the settings in the CodeRabbit UI or the You can disable this status message by setting the 📝 Walkthrough📝 Walkthrough📝 WalkthroughWalkthroughThis pull request introduces a series of updates to the ZetaChain node, including new features such as the ability to whitelist SPL tokens on Solana and enhancements to build reproducibility. It also integrates SPL deposits and withdrawals and improves testing with new scenarios for concurrent transactions and Bitcoin end-to-end tests. Significant refactoring is present, including the removal of the HSM signer and simplification of configurations. Additionally, various fixes address issues related to emissions, peer discovery, and error handling in Bitcoin inscription parsing. Changes
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Codecov ReportAll modified and coverable lines are covered by tests ✅
Additional details and impacted files@@ Coverage Diff @@
## develop #3155 +/- ##
========================================
Coverage 62.67% 62.67%
========================================
Files 424 424
Lines 30128 30128
========================================
Hits 18884 18884
Misses 10402 10402
Partials 842 842
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ws4charlie
added
chain:bitcoin
ws4charlie
requested review from
brewmaster012,
kingpinXD,
lumtis,
skosito,
swift1337 and
fbac
as code owners
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Actionable comments posted: 2
🧹 Outside diff range and nitpick comments (8)
changelog.md (1)
28-28: Enhance the fix description for better clarity.The changelog entry correctly documents the fix for PR #3155, but could be more descriptive about the specific panic scenario being addressed.
Consider expanding the description to:
-* [3155](https://github.com/zeta-chain/node/pull/3155) - fix potential panic in the Bitcoin inscription parsing +* [3155](https://github.com/zeta-chain/node/pull/3155) - fix potential panic in Bitcoin inscription parsing by adding null pointer checks in checkInscriptionEnvelopezetaclient/chains/bitcoin/tx_script_test.go (7)
Line range hint
625-631: Userequire.NoErrorinstead ofrequire.Nilfor error assertionsIn Go tests, it's idiomatic to use
require.NoError(t, err)when checking for the absence of an error. This provides clearer output if the test fails.Apply this diff to improve the error assertion:
- require.Nil(t, err) + require.NoError(t, err)
Line range hint
625-638: Externalize large hexadecimal strings for better readabilityEmbedding large hexadecimal strings directly in the test code reduces readability and can make maintenance more challenging. Consider moving these strings to external test data files or constants.
Line range hint
639-646: Userequire.NoErrorinstead ofrequire.Nilfor error assertionsConsistent with Go testing best practices, replace
require.Nil(t, err)withrequire.NoError(t, err)for clearer test output.Apply this diff:
- require.Nil(t, err) + require.NoError(t, err)
Line range hint
639-650: Externalize large hexadecimal strings for better readabilitySimilar to the previous suggestion, consider moving the hexadecimal strings to external files or constants to enhance readability and maintainability.
672-675: Correct the opcode value in the comment for accuracyThe comment incorrectly states that
OP_CODESEPARATORhas the opcode0xac, which is actually the opcode forOP_CHECKSIG. The correct opcode forOP_CODESEPARATORis0xab. Updating this will improve clarity.Apply this diff to correct the comment:
- // require OP_CHECKSIG (0xac) but OP_CODESEPARATOR (0xac) is found + // require OP_CHECKSIG (0xac) but OP_CODESEPARATOR (0xab) is found
683-691: Userequire.NoErrorinstead ofrequire.Nilfor error assertionsReplace
require.Nil(t, err)withrequire.NoError(t, err)for consistency and clearer test failure messages.Apply this diff:
- require.Nil(t, err) + require.NoError(t, err)
693-701: Userequire.NoErrorinstead ofrequire.Nilfor error assertionsMaintain consistency in error checking by using
require.NoError(t, err).Apply this diff:
- require.Nil(t, err) + require.NoError(t, err)
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📒 Files selected for processing (3)
changelog.md(1 hunks)zetaclient/chains/bitcoin/tx_script.go(1 hunks)zetaclient/chains/bitcoin/tx_script_test.go(3 hunks)
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📓 Path-based instructions (2)
zetaclient/chains/bitcoin/tx_script.go (1)
Pattern **/*.go: Review the Go code, point out issues relative to principles of clean code, expressiveness, and performance.
zetaclient/chains/bitcoin/tx_script_test.go (1)
Pattern **/*.go: Review the Go code, point out issues relative to principles of clean code, expressiveness, and performance.
🔇 Additional comments (1)
zetaclient/chains/bitcoin/tx_script.go (1)
Line range hint 339-348: Consider adding validation for public key data
The function checks for the correct opcodes but doesn't validate the public key data itself.
Consider adding validation for the public key data:
func checkInscriptionEnvelope(t *txscript.ScriptTokenizer) error {
if !t.Next() || t.Opcode() != txscript.OP_DATA_32 {
if err := t.Err(); err != nil {
return fmt.Errorf("failed to parse public key: %w", err)
}
return fmt.Errorf("expected OP_DATA_32 for public key, got %v", t.Opcode())
}
+
+ // Validate public key data
+ pubKey := t.Data()
+ if len(pubKey) != 32 {
+ return fmt.Errorf("invalid public key length: got %d, want 32", len(pubKey))
+ }
if !t.Next() || t.Opcode() != txscript.OP_CHECKSIG {
if err := t.Err(); err != nil {
return fmt.Errorf("failed to parse OP_CHECKSIG: %w", err)
}
return fmt.Errorf("expected OP_CHECKSIG, got %v", t.Opcode())
}
return nil
}
…-btc-inscription-decoding-panic
Description
This PR is to avoid potential panic in method
checkInscriptionEnvelope.How Has This Been Tested?
Summary by CodeRabbit
New Features
Bug Fixes
Refactor
Tests