feat: standard non-evm inbound memo #2987
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ws4charlie
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kingpinXD,
lumtis,
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swift1337 and
fbac
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📝 WalkthroughWalkthroughThe pull request introduces a series of enhancements across various modules, including the addition of new features, refactoring of existing code, and improvements to testing and CI processes. Key features include support for stateful precompiled contracts, enhancements for Bitcoin integration, and the introduction of a codec system for handling memo fields. Additionally, several new files are created to manage bit manipulation, codec arguments, and memo structures, while existing dependencies are updated in the Changes
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Codecov ReportAttention: Patch coverage is
Additional details and impacted files@@ Coverage Diff @@
## develop #2987 +/- ##
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+ Coverage 65.77% 66.25% +0.48%
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Files 398 406 +8
Lines 22421 22772 +351
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+ Hits 14747 15088 +341
- Misses 6900 6907 +7
- Partials 774 777 +3
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Actionable comments posted: 47
🧹 Outside diff range and nitpick comments (33)
pkg/memo/fields.go (4)
3-4: Enhance the interface documentation.The current comment for the
Fieldsinterface is concise but could be more informative. Consider expanding it to provide more context about the purpose and usage of this interface in relation to memo operations.Suggested improvement:
// Fields defines the interface for memo field operations. // It provides methods for encoding, decoding, and validating memo fields // used in various operations within the system. type Fields interface { // ... (rest of the interface) }
5-6: Enhance thePackmethod documentation.While the current comment for the
Packmethod is concise, it could be more informative. Consider expanding it to provide more details about the parameters and return values.Suggested improvement:
// Pack encodes the memo fields based on the given operation code and encoding format. // It returns a data flag byte, the encoded data as a byte slice, and any error encountered during encoding. // Parameters: // - opCode: uint8 representing the operation code // - encodingFormat: uint8 specifying the encoding format to be used // Returns: // - byte: data flag // - []byte: encoded memo fields // - error: any error encountered during the encoding process Pack(opCode, encodingFormat uint8) (byte, []byte, error)
8-9: Enhance theUnpackmethod documentation.The current comment for the
Unpackmethod is concise but could be more informative. Consider expanding it to provide more details about the parameters and return value.Suggested improvement:
// Unpack decodes the memo fields from the provided data. // It uses the given operation code, encoding format, and data flags to interpret the data correctly. // Parameters: // - opCode: uint8 representing the operation code // - encodingFormat: uint8 specifying the encoding format used // - dataFlags: uint8 containing additional flags for decoding // - data: []byte containing the encoded memo fields // Returns: // - error: any error encountered during the decoding process Unpack(opCode, encodingFormat, dataFlags uint8, data []byte) error
11-12: Enhance theValidatemethod documentation.The current comment for the
Validatemethod is concise but could be more informative. Consider expanding it to provide more details about the parameter and return value.Suggested improvement:
// Validate checks if the memo fields are valid for the given operation code. // It performs necessary validations based on the specific requirements of each operation. // Parameter: // - opCode: uint8 representing the operation code to validate against // Returns: // - error: nil if the fields are valid, or an error describing the validation failure Validate(opCode uint8) errorpkg/math/bits.go (4)
7-13:SetBitfunction is well-implemented, with a potential for optimization.The function correctly sets the specified bit and handles invalid positions. However, consider using a constant for the maximum valid position to improve readability and maintainability.
Consider applying this optimization:
+const maxBitPosition = 7 func SetBit(b *byte, position uint8) { - if position > 7 { + if position > maxBitPosition { return } *b |= 1 << position }
15-22:IsBitSetfunction is well-implemented, with room for consistency improvement.The function correctly checks the specified bit and handles invalid positions. For consistency with the
SetBitfunction, consider using the same constant for the maximum valid position.Consider applying this change for consistency:
+const maxBitPosition = 7 func IsBitSet(b byte, position uint8) bool { - if position > 7 { + if position > maxBitPosition { return false } bitMask := byte(1 << position) return b&bitMask != 0 }
24-35:GetBitsfunction is efficiently implemented, with potential for improved clarity.The function correctly extracts and processes the bits according to the given mask. The use of
bits.TrailingZeros8is an efficient approach. To improve clarity, consider adding a comment explaining the purpose of the right shift operation.Consider adding this explanatory comment:
func GetBits(b byte, mask byte) byte { extracted := b & mask // get the number of trailing zero bits trailingZeros := bits.TrailingZeros8(mask) + // right shift to remove trailing zeros, effectively normalizing the extracted value return extracted >> trailingZeros }
37-52:SetBitsfunction is well-implemented, with room for consistency and clarity improvements.The function correctly sets the specified bits according to the given mask and value. The bitwise operations are efficient and the logic is sound. To improve consistency and clarity, consider extracting the
TrailingZeros8call to a separate variable with a descriptive name, similar to theGetBitsfunction.Consider applying this change for consistency and clarity:
func SetBits(b byte, mask byte, value byte) byte { // get the number of trailing zero bits in the mask - trailingZeros := bits.TrailingZeros8(mask) + trailingZeros := bits.TrailingZeros8(mask) + + // shift the value left to align with the mask + valueAligned := value << trailingZeros - // shift the value left by the number of trailing zeros - valueShifted := value << trailingZeros - // clear the bits in 'b' that correspond to the mask bCleared := b &^ mask // Set the bits by ORing the cleared 'b' with the shifted value - return bCleared | valueShifted + return bCleared | valueAligned }pkg/memo/arg_test.go (3)
11-15: Test function declaration and data setup are well-structured.The test function name
Test_NewArgfollows Go testing conventions. Sample data is appropriately generated using utility functions.Consider adding comments to explain the purpose of each sample data variable:
// Sample Ethereum address for testing argAddress := sample.EthAddress() // Sample string for testing argString := sample.String() // Sample byte array for testing argBytes := sample.Bytes()
16-46: Test cases are well-defined and cover various scenarios.The table-driven testing approach is appropriate for testing multiple scenarios of the
NewArgfunction. The test cases cover different argument types and use cases.To improve test coverage, consider adding edge cases:
- Add a test case with an empty string for the
revertAddress.- Include a test case with a zero-length byte array for the
payload.- Add a test case with the maximum allowed length for each argument type.
Example addition:
{ name: "empty_revert_address", argType: "string", arg: new(string), // Empty string }, { name: "empty_payload", argType: "bytes", arg: &[]byte{}, // Empty byte array }, // Add more edge cases here
48-70: Test execution and assertions are comprehensive.The test execution follows best practices for table-driven tests. Assertions cover all relevant properties of the created argument, and the switch statement ensures that the correct helper function is used for each argument type.
To improve error messages in case of test failures, consider using
require.Equalwith custom messages:require.Equal(t, tt.name, arg.Name, "Argument name mismatch") require.Equal(t, memo.ArgType(tt.argType), arg.Type, "Argument type mismatch") require.Equal(t, tt.arg, arg.Arg, "Argument value mismatch") // In the switch statement require.Equal(t, arg, memo.ArgReceiver(&argAddress), "ArgReceiver mismatch") // Apply similar changes to other casesThis will provide more context in case of test failures, making it easier to identify and fix issues.
pkg/memo/codec_test.go (2)
10-51: Well-structured table-driven test forGetLenBytes.The test covers various scenarios effectively, including error cases. To enhance maintainability, consider extracting the test cases into a separate variable or function.
Example refactoring:
var getLenBytesTestCases = []struct { name string encodingFmt uint8 expectedLen int expectErr bool }{ // ... (existing test cases) } func Test_GetLenBytes(t *testing.T) { for _, tc := range getLenBytesTestCases { // ... (existing test logic) } }This separation allows for easier management of test cases and potential reuse in other tests.
53-92: Well-structured table-driven test forGetCodec.The test effectively covers various scenarios, including error cases. To enhance the test's robustness, consider the following improvements:
Extract test cases into a separate variable or function, similar to the suggestion for
Test_GetLenBytes.Add more specific assertions for the returned codec. For example:
codec, err := memo.GetCodec(tc.encodingFmt) if tc.errMsg != "" { require.Error(t, err) require.Nil(t, codec) require.Contains(t, err.Error(), tc.errMsg) } else { require.NoError(t, err) require.NotNil(t, codec) // Add specific assertions based on the expected codec type switch tc.encodingFmt { case memo.EncodingFmtABI: require.IsType(t, &memo.ABICodec{}, codec) case memo.EncodingFmtCompactShort, memo.EncodingFmtCompactLong: require.IsType(t, &memo.CompactCodec{}, codec) } }These changes will provide more comprehensive validation of the
GetCodecfunction's behavior.pkg/math/bits_test.go (3)
10-44: Comprehensive test cases for SetBit function.The TestSetBit function is well-structured and covers essential scenarios, including edge cases. The use of table-driven tests enhances maintainability and readability.
Consider adding the following test cases to further improve coverage:
- Setting a bit that's already set.
- Setting multiple bits in sequence.
- Setting all bits (0xFF).
These additions would provide a more exhaustive test suite for the SetBit function.
46-85: Well-structured test cases for IsBitSet function.The TestIsBitSet function is well-organized and covers crucial scenarios, including edge cases. The consistent use of table-driven tests enhances code maintainability.
To further strengthen the test suite, consider adding a test case for checking all bits set (0xFF). This would ensure the function behaves correctly when all bits are set to 1.
134-171: Well-structured test cases for SetBits function with room for improvement.The TestSetBits function is well-organized and covers important scenarios for setting bits in different parts of a byte. The consistent use of table-driven tests enhances maintainability.
To further improve the test coverage, consider adding the following test cases:
- Setting all bits (mask: 0xFF, value: 0xFF)
- Setting no bits (mask: 0x00, any value)
- Setting bits when the initial byte is 0x00
- Setting bits when the initial byte is 0xFF
These additional cases would provide a more comprehensive test suite for the SetBits function.pkg/memo/header_test.go (4)
11-49: Comprehensive test coverage forHeader_EncodeToBytes.The test function
Test_Header_EncodeToBytesdemonstrates a well-structured approach to testing theEncodeToBytesmethod. The table-driven tests cover both successful encoding and error handling scenarios, which is commendable.To further enhance the test coverage, consider adding the following test cases:
- A test case with all fields set to their maximum allowed values.
- A test case with the
DataFlagsfield set to various bit combinations.
51-99: Robust test coverage forHeader_DecodeFromBytes.The
Test_Header_DecodeFromBytesfunction demonstrates a comprehensive approach to testing theDecodeFromBytesmethod. The test cases cover various scenarios, including successful decoding and error handling for invalid inputs.To further strengthen the test suite, consider adding the following test case:
- A test case where the input data is exactly 5 bytes long (the minimum valid length) to ensure the function handles edge cases correctly.
101-155: Thorough validation testing forHeader_Validate.The
Test_Header_Validatefunction provides comprehensive coverage for theValidatemethod ofmemo.Header. The test cases effectively cover various validation scenarios, ensuring robustness of the validation logic.To further enhance the test suite, consider adding the following test case:
- A test case where multiple fields are invalid simultaneously to ensure the validation logic correctly identifies and reports multiple errors.
1-155: Excellent test suite with room for minor enhancements.The test file
header_test.godemonstrates a high-quality, comprehensive approach to testing thememo.Headerstructure. The consistent use of table-driven tests and thetestify/requirepackage contributes to a robust and maintainable test suite.To further elevate the quality of error handling in tests, consider implementing a helper function for error checking. This function could encapsulate the logic for asserting error messages, reducing duplication and improving readability. For example:
func assertError(t *testing.T, err error, expectedMsg string) { t.Helper() if expectedMsg == "" { require.NoError(t, err) } else { require.ErrorContains(t, err, expectedMsg) } }This helper function can then be used in place of the current error checking logic throughout the test file.
go.mod (1)
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348-367: Carefully manage forked dependencies.The use of forked dependencies, particularly for critical components like
go-ethereum,go-libp2p, andtss-lib, is noted. While this allows for custom modifications, it also introduces potential challenges:
- Maintenance overhead: Keeping forks up-to-date with upstream changes requires ongoing effort.
- Divergence risk: Custom modifications may make it difficult to incorporate future upstream improvements.
- Community support: Using non-standard forks may limit the ability to leverage community support and resources.
Consider implementing the following strategies:
- Document the reasons for each fork and the specific modifications made.
- Establish a process for regularly syncing forks with their upstream repositories.
- Evaluate the possibility of contributing custom modifications back to the original projects where appropriate.
- Set up automated checks to alert when upstream repositories have significant updates or security patches.
This approach will help balance the benefits of customization with the need for long-term maintainability and security.
pkg/memo/codec.go (1)
43-52: Consider handling all encoding formats inGetLenBytesor document limitations.The
GetLenBytesfunction handlesEncodingFmtCompactShortandEncodingFmtCompactLong, but notEncodingFmtABIorEncodingFmtMax. If these formats are intentionally unsupported, consider documenting this limitation. Alternatively, handle all possible encoding formats to enhance the function's robustness.pkg/memo/memo.go (1)
22-23: Clarify the comment regarding 'RevertGasLimit'The note at lines 22-23 mentions that
'RevertGasLimit'is not used for non-EVM chains, but this field is not present in theInboundMemostruct. This could be confusing to readers.Consider updating or removing the comment to reflect the current code:
// - The 'RevertGasLimit' field is not applicable for non-EVM chains.Or remove the note if it's no longer relevant.
pkg/memo/codec_abi.go (1)
28-34: Improve field naming for clarity inCodecABIThe field names
abiTypesandabiArgsmay not clearly convey their purpose. Renaming them toinputTypesandinputArgsenhances readability and expresses their intent more precisely.Apply this diff to rename the fields:
type CodecABI struct { // inputTypes contains the ABI types of the arguments - abiTypes []string + inputTypes []string // inputArgs contains the ABI arguments to be packed or unpacked into - abiArgs []interface{} + inputArgs []interface{} }Update all references to these fields throughout the code accordingly.
pkg/memo/header.go (1)
119-121: Prepare for future versions inValidate.The validation currently only accepts
Versionequal to0. If future versions are anticipated, consider updating the validation logic to accept a range of versions or define aMaxVersionconstant.For example:
- if h.Version != 0 { + const MaxVersion uint8 = 1 // Set to the maximum supported version + if h.Version > MaxVersion {This change allows for smoother transitions to newer versions in the future.
testutil/sample/memo.go (1)
130-131: Unnecessary Allocation of Fixed-Size SliceIn the
abiPad32function, a 32-byte slice is allocated unconditionally:padded := make([]byte, 32)If
memo.ABIAlignmentis less than 32, this may lead to wasted memory. Consider allocating based on the alignment size:padded := make([]byte, memo.ABIAlignment)Ensure that
memo.ABIAlignmentaccurately reflects the intended padding size.pkg/memo/fields_v0.go (3)
77-80: Revise error message for clarity inValidatemethodThe error message "payload is not allowed for deposit operation" might be unclear to users. Consider rephrasing it to "payload must be empty for deposit operations" to provide clearer guidance.
Apply this diff to update the error message:
if opCode == OpCodeDeposit && len(f.Payload) > 0 { - return errors.New("payload is not allowed for deposit operation") + return errors.New("payload must be empty for deposit operations") }
126-129: Review error handling forcodec.PackArgumentsThe comment indicates that an error from
codec.PackArguments()"never happens." If this error is truly impossible, consider removing the error check to simplify the code. Alternatively, if the error can occur, ensure that it is properly handled and documented.Apply this diff to adjust the error handling:
data, err := codec.PackArguments() - if err != nil { // never happens + if err != nil { return 0, nil, errors.Wrap(err, "failed to pack arguments") }
28-37: Add documentation comments for exported typeFieldsV0For better code readability and to comply with Go documentation conventions, consider adding a detailed comment for the exported
FieldsV0struct explaining its purpose and usage.Apply this diff to add the documentation:
// FieldsV0 contains the data fields of the inbound memo V0 +// +// It encapsulates the receiver address, optional payload, and revert options +// used in the memo encoding and decoding processes. type FieldsV0 struct {pkg/memo/codec_abi_test.go (1)
89-95: Ensure error messages in tests are specific and informativeIn the test cases where errors are expected, the error messages checked are generic (e.g., "failed to parse ABI string"). To improve test reliability and debuggability, consider making the error messages more specific or matching the exact error returned.
Also applies to: 178-185
pkg/memo/memo_test.go (2)
18-125: Enhance test coverage by including edge cases and optional fieldsWhile the current test cases effectively cover standard scenarios and certain error conditions, consider adding test cases for edge cases and scenarios where optional fields are omitted or set to zero values. This will ensure that the
EncodeToBytesfunction behaves correctly under all possible input conditions.
147-250: Enhance test coverage by including additional edge casesIn the
Test_Memo_DecodeFromBytesfunction, adding test cases for situations where:
- The data flags indicate no optional fields are set.
- The input data contains unexpected or malformed values.
- Only mandatory fields are present.
will improve the robustness of the decoding logic and ensure it handles all possible variations gracefully.
pkg/memo/codec_compact.go (1)
105-106: Improve the clarity of the error message when consumed bytes do not match total bytes.The current error message could be more informative to aid in debugging mismatches between consumed and total bytes.
Suggested change:
if offset != len(data) { - return fmt.Errorf("consumed bytes (%d) != total bytes (%d)", offset, len(data)) + return fmt.Errorf("after unpacking, consumed %d bytes but total data length is %d bytes", offset, len(data)) } return nil
📜 Review details
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Review profile: CHILL
📒 Files selected for processing (20)
- changelog.md (1 hunks)
- go.mod (1 hunks)
- pkg/math/bits.go (1 hunks)
- pkg/math/bits_test.go (1 hunks)
- pkg/memo/arg.go (1 hunks)
- pkg/memo/arg_test.go (1 hunks)
- pkg/memo/codec.go (1 hunks)
- pkg/memo/codec_abi.go (1 hunks)
- pkg/memo/codec_abi_test.go (1 hunks)
- pkg/memo/codec_compact.go (1 hunks)
- pkg/memo/codec_compact_test.go (1 hunks)
- pkg/memo/codec_test.go (1 hunks)
- pkg/memo/fields.go (1 hunks)
- pkg/memo/fields_v0.go (1 hunks)
- pkg/memo/fields_v0_test.go (1 hunks)
- pkg/memo/header.go (1 hunks)
- pkg/memo/header_test.go (1 hunks)
- pkg/memo/memo.go (1 hunks)
- pkg/memo/memo_test.go (1 hunks)
- testutil/sample/memo.go (1 hunks)
🧰 Additional context used
📓 Path-based instructions (18)
pkg/math/bits.go (1)
Pattern
**/*.go: Review the Go code, point out issues relative to principles of clean code, expressiveness, and performance.pkg/math/bits_test.go (1)
Pattern
**/*.go: Review the Go code, point out issues relative to principles of clean code, expressiveness, and performance.pkg/memo/arg.go (1)
Pattern
**/*.go: Review the Go code, point out issues relative to principles of clean code, expressiveness, and performance.pkg/memo/arg_test.go (1)
Pattern
**/*.go: Review the Go code, point out issues relative to principles of clean code, expressiveness, and performance.pkg/memo/codec.go (1)
Pattern
**/*.go: Review the Go code, point out issues relative to principles of clean code, expressiveness, and performance.pkg/memo/codec_abi.go (1)
Pattern
**/*.go: Review the Go code, point out issues relative to principles of clean code, expressiveness, and performance.pkg/memo/codec_abi_test.go (1)
Pattern
**/*.go: Review the Go code, point out issues relative to principles of clean code, expressiveness, and performance.pkg/memo/codec_compact.go (1)
Pattern
**/*.go: Review the Go code, point out issues relative to principles of clean code, expressiveness, and performance.pkg/memo/codec_compact_test.go (1)
Pattern
**/*.go: Review the Go code, point out issues relative to principles of clean code, expressiveness, and performance.pkg/memo/codec_test.go (1)
Pattern
**/*.go: Review the Go code, point out issues relative to principles of clean code, expressiveness, and performance.pkg/memo/fields.go (1)
Pattern
**/*.go: Review the Go code, point out issues relative to principles of clean code, expressiveness, and performance.pkg/memo/fields_v0.go (1)
Pattern
**/*.go: Review the Go code, point out issues relative to principles of clean code, expressiveness, and performance.pkg/memo/fields_v0_test.go (1)
Pattern
**/*.go: Review the Go code, point out issues relative to principles of clean code, expressiveness, and performance.pkg/memo/header.go (1)
Pattern
**/*.go: Review the Go code, point out issues relative to principles of clean code, expressiveness, and performance.pkg/memo/header_test.go (1)
Pattern
**/*.go: Review the Go code, point out issues relative to principles of clean code, expressiveness, and performance.pkg/memo/memo.go (1)
Pattern
**/*.go: Review the Go code, point out issues relative to principles of clean code, expressiveness, and performance.pkg/memo/memo_test.go (1)
Pattern
**/*.go: Review the Go code, point out issues relative to principles of clean code, expressiveness, and performance.testutil/sample/memo.go (1)
Pattern
**/*.go: Review the Go code, point out issues relative to principles of clean code, expressiveness, and performance.
🔇 Additional comments (20)
pkg/memo/fields.go (1)
1-13: Approve theFieldsinterface implementation.The
Fieldsinterface provides a well-structured and comprehensive set of methods for handling memo operations. The interface design is clean, with clear method signatures that cover the essential operations: packing (encoding), unpacking (decoding), and validation.The use of uint8 for operation codes and encoding formats is appropriate, allowing for efficient representation of these values. The error returns in all methods provide a good mechanism for error handling and reporting.
Overall, this interface forms a solid foundation for implementing memo field operations in the system. The suggested documentation improvements will further enhance its usability and maintainability.
pkg/memo/arg.go (2)
1-2: Package declaration is appropriate.The package name "memo" accurately reflects the purpose of the code within this file.
20-27: NewArg function is well-implemented.The
NewArgfunction serves as a clear and concise constructor forCodecArg. It properly initializes all fields and follows Go's idiomatic approach for struct creation.pkg/math/bits.go (2)
1-5: Package declaration and imports are appropriate.The package name 'math' is suitable for the bit manipulation functions provided. The import of 'math/bits' is correctly utilized within the file for efficient bit operations.
1-52: Overall, thepkg/math/bits.gofile is well-implemented and provides efficient bit manipulation functions.The functions are logically structured, use efficient bitwise operations, and handle edge cases appropriately. The use of the
math/bitspackage for trailing zero calculations is commendable. Minor suggestions for improvements have been provided to enhance consistency and clarity across the functions.Consider implementing the suggested changes to further refine this already solid implementation.
pkg/memo/arg_test.go (1)
1-9: Package declaration and imports are appropriate.The package name
memo_testfollows Go conventions for external test packages. All imports are necessary and relevant for the test implementation.pkg/memo/codec_test.go (2)
3-8: Import statements are appropriate and follow best practices.The use of the
testify/requirepackage is commendable, as it enhances test readability and provides clear failure messages.
1-92: Overall, the test file is well-structured and comprehensive.The use of table-driven tests for both
GetLenBytesandGetCodecfunctions is commendable, allowing for easy expansion of test cases. The tests cover various scenarios, including error cases, which is crucial for robust testing.To further improve the file:
- Consider extracting test cases into separate variables or functions for both tests.
- Enhance the
Test_GetCodecfunction with more specific assertions on the returned codec types.- Ensure consistent naming conventions across the project (e.g.,
Test_GetLenBytesvsTestGetLenBytes).These minor enhancements will contribute to even more maintainable and comprehensive tests.
pkg/math/bits_test.go (2)
87-132: Comprehensive and well-structured test cases for GetBits function.The TestGetBits function demonstrates excellent test coverage with a wide range of scenarios, including crucial edge cases. The consistent use of table-driven tests and descriptive names enhances code readability and maintainability.
1-171: Excellent test suite for bit manipulation functions.The
bits_test.gofile presents a comprehensive and well-structured test suite for the bit manipulation functions. The consistent use of table-driven tests, descriptive test names, and coverage of edge cases demonstrates a high standard of testing practices.While some minor suggestions were made to further enhance the test coverage, the overall quality of the test suite is commendable. It provides a solid foundation for ensuring the reliability and correctness of the bit manipulation functions in the
mathpackage.go.mod (1)
337-338: Dependency updates approved.The updates to
github.com/bnb-chain/tss-lib,github.com/showa-93/go-mask, andgithub.com/tonkeeper/tongoappear to be routine maintenance, keeping these dependencies up-to-date. This is a good practice for security and performance reasons.Also applies to: 340-341
changelog.md (6)
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1-24: Version v12.2.4 focuses on critical fixes and improvements.The changes in this version primarily address various issues and optimizations:
- Enhanced external chain height verification.
- Improved gas price calculation for EIP1559 compatibility.
- Modified authorization for WhitelistERC20 from group1 to group2.
- Refined handling of pending outbound transaction hashes.
- Optimized Bitcoin keysign scheduling to prevent failures.
- Added support for skipping Goerli BlobTxType transactions.
- Improved Bitcoin gas fee calculation using estimated SegWit transaction size.
These fixes demonstrate a focus on improving reliability and compatibility across different blockchain networks. However, it's important to ensure that these changes have been thoroughly tested, especially the modifications to gas price calculations and transaction handling.
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87-201: Version v12.0.0 introduces major breaking changes and restructuring.This version includes significant modifications that will require careful attention during upgrade:
- Relocation of TSS and chain validation queries from
crosschaintoobservermodule.- Unification of observer sets across all chains.
- Merging of observer params and core params into chain params.
- Changes to the
GetTssAddressquery, now requiring Bitcoin chain ID.These changes represent a substantial restructuring of the system's architecture, particularly in how observers and chain parameters are managed. This could significantly impact existing integrations and workflows.
Recommendations for a smooth transition:
- Update all client applications to use the new query endpoints and structures.
- Review and update any code that relies on chain-specific observer sets.
- Modify any logic that depends on separate observer and core parameters.
- Update Bitcoin-related functionality to provide the correct chain ID when querying TSS addresses.
- Conduct thorough testing of all affected components in a staging environment before deploying to production.
Additionally, this version introduces several new features and fixes that enhance the system's functionality and reliability. Notable additions include support for snapshots, dynamic gas pricing on zetachain, and new metrics for tracking hotkey burn rates.
To verify the impact of these changes and ensure a smooth transition, please run the following script:
#!/bin/bash # Description: Verify the impact of breaking changes in v12.0.0 # Check for usage of old query endpoints rg --type go -A 5 '/zeta-chain/crosschain/' # Look for any remaining references to chain-specific observer sets rg --type go -A 5 'ObserversByChain|AllObserverMappers' # Check for usage of old parameter structures rg --type go -A 5 'GetCoreParams|GetCoreParamsByChain' # Verify Bitcoin-related TSS address queries rg --type go -A 5 'GetTssAddress'
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203-233: Version v11.0.0 enhances security and monitoring capabilities.Key changes in this version:
- Added HSM (Hardware Security Module) capability for zetaclient hot key (line 206).
- Introduced a new thread to check zeta supply in all connected chains in every block (lines 207-208).
- Added a new transaction to update an observer (line 209).
- Various fixes, including improvements to gas and asset token contract redeployment, and Bitcoin-related issues.
The addition of HSM support for the zetaclient hot key is a significant security enhancement that should help protect sensitive key material. The new thread for checking zeta supply provides improved monitoring capabilities, which can help maintain the integrity of the system.
Suggestions for follow-up:
- Conduct a security audit of the HSM integration to ensure it meets best practices.
- Develop and document procedures for key management using the new HSM capability.
- Monitor the performance impact of the new zeta supply checking thread, especially on networks with many connected chains.
- Create alerts based on the zeta supply checks to quickly identify any discrepancies.
To verify the implementation and impact of these changes, please run the following script:
#!/bin/bash # Description: Verify HSM integration and zeta supply checking # Check for HSM-related code rg --type go -A 5 'HSM|Hardware.?Security.?Module' # Look for the new zeta supply checking thread rg --type go -A 10 'check.?zeta.?supply' # Verify the new observer update transaction rg --type go -A 5 'update.?observer'
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235-321: Version v10.1.2 introduces significant features and fixes.Key changes in this version:
- Added external stress testing capability (line 238).
- Implemented liquidity cap setting for ZRC20 (line 239).
- Added Bitcoin block header and merkle proof functionality (line 241).
- Introduced TSS funds migration capability (line 244).
- Various fixes and improvements, including gas stability pool balance queries and authorization checks.
These changes represent significant enhancements to the system's functionality and reliability. The addition of external stress testing should improve the robustness of the system, while the liquidity cap for ZRC20 provides better control over token economics. The Bitcoin-related changes enhance the system's interoperability with the Bitcoin network.
Suggestions for follow-up:
- Develop a comprehensive stress testing plan utilizing the new external stress testing capability.
- Create guidelines for setting appropriate liquidity caps for ZRC20 tokens.
- Thoroughly test the Bitcoin block header and merkle proof functionality to ensure accuracy and performance.
- Document the TSS funds migration process and create recovery procedures.
- Monitor the gas stability pool balances and adjust parameters if necessary.
To verify the implementation and impact of these changes, please run the following script:
#!/bin/bash # Description: Verify new features and fixes in v10.1.2 # Check for stress testing related code rg --type go -A 5 'stress.?test' # Look for ZRC20 liquidity cap implementation rg --type go -A 10 'ZRC20|liquidity.?cap' # Verify Bitcoin block header and merkle proof functionality rg --type go -A 10 'Bitcoin.?(block.?header|merkle.?proof)' # Check TSS funds migration implementation rg --type go -A 10 'TSS.?funds.?migration' # Look for gas stability pool balance query rg --type go -A 5 'gas.?stability.?pool.?balance'
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323-441: Versions v13.0.0 to v15.0.0 introduce important security enhancements and functionality improvements.Key changes across these versions:
- Added password prompts for hotkey and TSS key-share in zetaclient (v13.0.0, line 328-329).
- Implemented Bitcoin dynamic depositor fee (v13.0.0, line 333).
- Added support for refunding aborted transactions by minting tokens to zEVM (v13.0.0, line 337).
- Introduced a reset chain nonces message (v15.0.0, line 427).
These changes represent significant improvements in security and functionality, particularly in relation to key management and Bitcoin integration. The addition of password prompts for sensitive keys enhances the overall security of the system, while the Bitcoin dynamic depositor fee improves the flexibility of Bitcoin transactions.
Suggestions for follow-up:
- Develop clear documentation and user guides for the new password prompt system in zetaclient.
- Conduct thorough testing of the Bitcoin dynamic depositor fee mechanism under various network conditions.
- Create monitoring and alerting systems for aborted transactions that are refunded to zEVM.
- Establish guidelines and procedures for using the new reset chain nonces message, including potential security implications.
To verify the implementation and impact of these changes, please run the following script:
#!/bin/bash # Description: Verify key changes in versions v13.0.0 to v15.0.0 # Check for password prompt implementation in zetaclient rg --type go -A 10 'password.?prompt|hotkey.?password|tss.?keyshare.?password' # Look for Bitcoin dynamic depositor fee implementation rg --type go -A 10 'Bitcoin.?dynamic.?depositor.?fee' # Verify aborted transaction refund mechanism rg --type go -A 10 'aborted.?transaction|refund.?to.?zEVM' # Check reset chain nonces message implementation rg --type go -A 10 'reset.?chain.?nonces'
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26-85: Version v12.1.0 introduces important features and fixes.Key changes in this version:
- Modified emission distribution to use fixed block rewards (line 60).
- Added chain header tests in E2E tests (line 55).
- Several fixes addressing issues with ballot voting, chain params comparison, and gas price checks.
- Refactoring of zetaclient into subpackages (line 81).
The modification of emission distribution to use fixed block rewards is a significant change that could impact the network's economics. It's crucial to ensure that this change has been thoroughly analyzed for its long-term effects on the network's incentive structure.
Suggestions for follow-up:
- Conduct a comprehensive economic analysis of the new emission distribution model.
- Ensure that all stakeholders are informed about this change and its potential impacts.
- Monitor the network closely after implementation to verify that the new model behaves as expected.
To verify the impact of the emission distribution change, please run the following script:
pkg/memo/codec.go (1)
1-64: Overall code structure is clear and follows good practices.The code is well-structured with a clear separation of concerns. Constants and interfaces are appropriately defined, and the use of encoding formats is well-organized.
pkg/memo/header.go (1)
71-74: Verify correct bit manipulation inEncodeToBytes.Ensure that the
SetBitsfunction correctly sets the bits forVersion,EncodingFormat,OpCode, andReservedinctrlByte1andctrlByte2. Misalignment or overlap in bit positions due to incorrect masks could lead to improper encoding of the header.Consider reviewing the masks and their application to confirm they align with the intended bit positions.
Also applies to: 77-80
pkg/memo/fields_v0.go (1)
47-50: Consistent error wrapping for codec retrievalIn both
PackandUnpackmethods, errors fromGetCodecare wrapped with additional context. Ensure that this practice is consistent across the codebase for better error traceability.
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!!!WARNING!!! Be very careful about using Only suppress a single rule (or a specific set of rules) within a section of code, while continuing to scan for other problems. To do this, you can list the rule(s) to be suppressed within the #nosec annotation, e.g: /* #nosec G401 */ or //#nosec G201 G202 G203 Pay extra attention to the way |
…at; add more func descriptions
Yes, if you meat moving |
… sample package reference from memo to minimize dependency
Description
InboundMemoas the standard memo.EncodeToBytesandDecodeFromBytesaccording to rfc PRHot to pack your own inbound memo?
Step-1: prepare a memo header
Step-2: pack the memo fields with encoding format (
ABIorcompact) that suites your use caseThe follow example code packs the fields using ABI format
For use cases that are sensitive to transaction size, the follow example packs the fields using compact format
How Has This Been Tested?
Summary by CodeRabbit
New Features
Bug Fixes
Tests
Refactor