feat: identity derivation path changes #48
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WalkthroughThe pull request introduces several modifications across multiple files, primarily focusing on the Changes
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Actionable comments posted: 0
🧹 Outside diff range and nitpick comments (5)
dash/src/blockdata/transaction/special_transaction/coinbase.rs (2)
98-100: Consider adding validation for decoded values.While the decoding logic is correct, consider adding validation for the decoded values:
- Validate
best_cl_heightis not greater than the current height- Ensure
asset_locked_amountis within reasonable boundsHere's a suggested improvement:
- let best_cl_height = if version >= 3 { Some(read_compact_size(r)?) } else { None }; - let best_cl_signature = - if version >= 3 { Some(BLSSignature::consensus_decode(r)?) } else { None }; - let asset_locked_amount = if version >= 3 { Some(u64::consensus_decode(r)?) } else { None }; + let best_cl_height = if version >= 3 { + let height = read_compact_size(r)?; + if height > u32::MAX as u64 { + return Err(encode::Error::ParseFailed("best_cl_height exceeds maximum value")); + } + Some(height) + } else { None }; + let best_cl_signature = if version >= 3 { + Some(BLSSignature::consensus_decode(r)?) + } else { None }; + let asset_locked_amount = if version >= 3 { + let amount = u64::consensus_decode(r)?; + if amount > consensus::MAX_MONEY { + return Err(encode::Error::ParseFailed("asset_locked_amount exceeds maximum value")); + } + Some(amount) + } else { None };
Line range hint
124-142: Consider expanding test coverage.The current test only verifies size calculations. Consider adding tests for:
- Decoding invalid data (error cases)
- Edge cases for optional fields
- Version compatibility checks
- Boundary values for
best_cl_heightandasset_locked_amountWould you like me to help generate additional test cases?
dash/src/blockdata/transaction/special_transaction/quorum_commitment.rs (1)
95-96: Consider adding documentation for version-specific behavior.The code conditionally decodes
quorum_indexonly for versions 2 and 4. Consider adding a comment explaining why these specific versions include a quorum index, as this appears to be protocol-critical behavior.dash/src/consensus/encode.rs (1)
968-970: Consider using constants for magic numbersWhile the simplified conditional structure is good, consider defining constants for the magic numbers 253 and 65536 to improve code maintainability and readability.
+const COMPACT_SIZE_THRESHOLD_1: u32 = 253; +const COMPACT_SIZE_THRESHOLD_2: u32 = 65536; pub fn compact_size_len(value: u32) -> usize { let mut size: usize = 0; - if value < 253 { + if value < COMPACT_SIZE_THRESHOLD_1 { size += 1; - } else if value < 65536 { + } else if value < COMPACT_SIZE_THRESHOLD_2 { size += 3; } else { size += 5; } size }dash/src/bip32.rs (1)
Line range hint
401-411: Preserve backward compatibility with clear deprecation notice.The old method has been renamed but should include a deprecation notice to guide users to the new implementation.
Add a deprecation attribute:
+#[deprecated(since = "0.1.0", note = "Use identity_registration_path instead which uses hardened child numbers")] pub fn identity_registration_path_child_non_hardened(network: Network, index: u32) -> Self {
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📒 Files selected for processing (5)
dash/src/bip32.rs(4 hunks)dash/src/blockdata/block.rs(0 hunks)dash/src/blockdata/transaction/special_transaction/coinbase.rs(3 hunks)dash/src/blockdata/transaction/special_transaction/quorum_commitment.rs(4 hunks)dash/src/consensus/encode.rs(5 hunks)
💤 Files with no reviewable changes (1)
- dash/src/blockdata/block.rs
🔇 Additional comments (12)
dash/src/blockdata/transaction/special_transaction/coinbase.rs (2)
21-22: LGTM! Import organization looks good.
The imports are properly organized and all imported items are used in the code.
117-117: Formatting looks good.
dash/src/blockdata/transaction/special_transaction/quorum_commitment.rs (3)
21-26: LGTM! Import organization improves readability.
The grouping of related consensus::encode imports enhances code organization and makes dependencies clearer.
80-81: LGTM! Line split improves readability.
The multi-line formatting of the write_fixed_bitset call improves code readability while maintaining the same functionality.
165-167: LGTM! Test imports organization improves readability.
The multi-line formatting of local imports in the test module enhances code organization and maintainability.
dash/src/consensus/encode.rs (4)
36-36: LGTM: Import section formatting
The added blank line after imports improves code readability by clearly separating imports from the rest of the code.
939-939: LGTM: Improved error message clarity
The error message is now more concise and direct, making it easier to understand the failure condition.
1003-1007: LGTM: Improved function signature formatting
The updated function signature formatting improves readability while maintaining proper parameter alignment according to Rust style guidelines.
1455-1456: LGTM: Improved test vector formatting
The test vector initialization is now more readable with proper line breaks and indentation.
dash/src/bip32.rs (3)
412-420: LGTM: New identity registration path uses hardened indices.
The implementation correctly uses hardened child numbers which provides better security by preventing public key derivation.
422-432: LGTM: Improved path structure with separate indices.
The implementation correctly:
- Uses hardened index for identity (improved security)
- Uses non-hardened index for top-up (allows public derivation)
- Separates concerns between identity and top-up indices
1837-1843: LGTM: Comprehensive test coverage for path changes.
The tests thoroughly verify:
- Identity registration with hardened indices
- Identity top-up with separated indices
- Path structure correctness for both networks
Run the following script to verify test coverage:
Summary by CodeRabbit
New Features
Bug Fixes
Refactor
Tests