feat: add codecv5 and codecv6 for Euclid fork #34
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WalkthroughThe pull request introduces enhancements to the encoding package, focusing on codec versioning and flexibility. A new field Changes
Sequence DiagramsequenceDiagram
participant Codec as DACodecV4
participant Batch as NewDABatch
participant Version as Version()
Batch->>Codec: Create new batch
Codec->>Version: Get current version
alt forcedVersion is set
Version-->>Batch: Return forcedVersion
else
Version-->>Batch: Return default CodecV4
end
Batch->>Batch: Create batch with determined version
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Actionable comments posted: 0
🧹 Nitpick comments (7)
encoding/interfaces.go (1)
79-80: Add comments for new codec versionsTo maintain consistency and improve code readability, consider adding comments describing
CodecV5andCodecV6, similar to how previous codec versions are documented.Example:
const ( CodecV0 CodecVersion = iota CodecV1 CodecV2 CodecV3 CodecV4 + // CodecV5 introduces support for Euclid fork features CodecV5 + // CodecV6 extends CodecV5 with additional enhancements CodecV6 )encoding/codecv6.go (2)
3-5: Include documentation forDACodecV6structTo enhance code clarity, add a comment describing the
DACodecV6struct, following Go documentation conventions for exported types.Example:
+// DACodecV6 is an implementation of Codec that forces version CodecV6. type DACodecV6 struct { DACodecV4 }
7-14: Simplify theNewDACodecV6constructorYou can simplify the constructor by directly assigning
CodecV6toforcedVersionwithout introducing the variablev.Apply this diff:
func NewDACodecV6() *DACodecV6 { - v := CodecV6 return &DACodecV6{ DACodecV4: DACodecV4{ - forcedVersion: &v, + forcedVersion: &CodecV6, }, } }This simplifies the code and reduces unnecessary variable declarations.
encoding/codecv5.go (2)
3-5: Include documentation forDACodecV5structAdding a comment for the
DACodecV5struct will improve code understanding and maintain consistency with Go documentation best practices.Example:
+// DACodecV5 is an implementation of Codec that forces version CodecV5. type DACodecV5 struct { DACodecV4 }
7-14: Simplify theNewDACodecV5constructorTo make the code more concise, you can assign
CodecV5directly toforcedVersionwithout using an intermediate variable.Apply this diff:
func NewDACodecV5() *DACodecV5 { - v := CodecV5 return &DACodecV5{ DACodecV4: DACodecV4{ - forcedVersion: &v, + forcedVersion: &CodecV5, }, } }This change reduces complexity by removing the unnecessary variable
v.encoding/codecv4.go (1)
23-23: LGTM! Consider adding documentation for the new field.The implementation of dynamic versioning looks good. The
forcedVersionfield and its usage in theVersion()method are well-structured.Consider adding a doc comment for the
forcedVersionfield explaining its purpose and when it should be used:type DACodecV4 struct { DACodecV3 + // forcedVersion allows overriding the default codec version. + // When set, Version() returns this value instead of CodecV4. forcedVersion *CodecVersion }Also applies to: 28-30
encoding/da_test.go (1)
81-87: LGTM! Good test coverage for Euclid chunks.The test case properly verifies the new behavior for Euclid chunks where all blocks have nil RowConsumption. The assertions check both the success case (no error) and the expected return value (0).
However, consider adding a mixed case test where some blocks have RowConsumption and others don't, to ensure the behavior is correct in edge cases.
// euclid chunk chunk3.Blocks[0].RowConsumption = nil chunk3.Blocks[1].RowConsumption = nil crc3Max, err = chunk3.CrcMax() assert.NoError(t, err) assert.Equal(t, uint64(0), crc3Max) + + // mixed case + chunk3.Blocks[1].RowConsumption = &types.RowConsumption{{Name: "test", RowNumber: 10}} + crc3Max, err = chunk3.CrcMax() + assert.Error(t, err) + assert.Contains(t, err.Error(), "has nil RowConsumption")
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📒 Files selected for processing (7)
encoding/codecv4.go(3 hunks)encoding/codecv5.go(1 hunks)encoding/codecv6.go(1 hunks)encoding/da.go(2 hunks)encoding/da_test.go(1 hunks)encoding/interfaces.go(2 hunks)go.mod(2 hunks)
🧰 Additional context used
📓 Learnings (1)
encoding/interfaces.go (1)
Learnt from: colinlyguo
PR: scroll-tech/da-codec#25
File: encoding/interfaces.go:95-108
Timestamp: 2024-11-12T12:17:31.140Z
Learning: In the `CodecFromConfig` function in the Go `encoding/interfaces.go` file, if none of the chain configuration conditions match, it's acceptable to default to returning `&DACodecV0{}` because, in the current logic, we can only deduce the codec version as the function implements, and the logic is complete.
🔇 Additional comments (9)
go.mod (2)
34-34: Verify compatibility with the new crypto version.The update to
golang.org/x/cryptofrom v0.17.0 to v0.21.0 is a significant jump that might include breaking changes.Run this script to check for potential breaking changes:
✅ Verification successful
The crypto update appears safe to proceed with.
The changes between v0.17.0 and v0.21.0 consist of internal improvements, test fixes, and maintenance updates with no breaking changes. Additionally, this is an indirect dependency with no direct usage in the codebase.
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#!/bin/bash # Description: Check for breaking changes in crypto dependency # Get the changelog between versions gh api repos/golang/crypto/compare/v0.17.0...v0.21.0 | jq -r '.commits[].commit.message' # Search for crypto package usage in the codebase rg -l "golang.org/x/crypto" | xargs rg "crypto"Length of output: 10801
7-7: Verify compatibility with the new go-ethereum version.The update to
scroll-tech/go-ethereumpoints to a specific commit from January 2025. Since this is a fork-specific version, please ensure:
- The version is stable and tested with the new codec versions (V5 and V6)
- Any breaking changes in the Euclid fork are properly handled
Run this script to check for potential breaking changes:
✅ Verification successful
The go-ethereum version update appears safe for codec versioning
The codebase demonstrates robust codec version management with clear boundaries between versions (V0-V4). The go-ethereum dependency is used only for core types and doesn't directly impact the codec versioning system. The extensive test coverage and strict version checks ensure compatibility is maintained.
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The following scripts were executed for the analysis:
Script:
#!/bin/bash # Description: Check for breaking changes in go-ethereum dependency # Get the diff between the old and new versions gh api repos/scroll-tech/go-ethereum/compare/v1.10.14-0.20241210104312-bdf64cfb39dc...v1.10.14-0.20250103082839-ea3ec93d8c1e | jq -r '.commits[].commit.message' # Search for any codec-related changes in the codebase that might be affected rg -l "github.com/scroll-tech/go-ethereum" | xargs rg "codec|Codec"Length of output: 76018
encoding/interfaces.go (2)
96-99: Verify instantiation of new codecs inCodecFromVersionThe
CodecFromVersionfunction now handlesCodecV5andCodecV6. Ensure thatNewDACodecV5()andNewDACodecV6()correctly initialize the codecs and that they conform to theCodecinterface.Consider adding unit tests for
CodecFromVersionto verify that the correct codec instances are returned for all codec versions.
107-109:⚠️ Potential issueAssess the condition order in
CodecFromConfigThe
IsEuclidcheck has been added beforeIsDarwinV2in theCodecFromConfigfunction. Verify that this change does not unintentionally alter the codec selection logic, especially if there might be overlapping conditions.Ensure that
IsEuclidandIsDarwinV2are mutually exclusive or that their ordering reflects the intended precedence. If necessary, adjust the logic to prevent any unintended codec assignments.encoding/codecv4.go (2)
97-97: LGTM! Version handling is consistent.The change to use
d.Version()instead of hardcodedCodecV4correctly implements the dynamic versioning support.
119-120: Verify CodecVersion type compatibility with %d format specifier.While the version check logic is correct, let's ensure type safety in the error message formatting.
Run this script to check the CodecVersion type definition:
✅ Verification successful
Type safety verified for CodecVersion error formatting
The use of %d format specifier is correct as CodecVersion is defined as uint8.
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The following scripts were executed for the analysis:
Script:
#!/bin/bash # Description: Check CodecVersion type definition and its string formatting usage # Test: Look for CodecVersion type definition and its string formatting patterns # Search for CodecVersion type definition echo "=== CodecVersion type definition ===" rg -A 2 "type\s+CodecVersion\s+" # Search for existing format string patterns with CodecVersion echo -e "\n=== Existing format patterns ===" rg "fmt\..*%.*CodecVersion"Length of output: 330
encoding/da.go (2)
8-8: LGTM! Good choice using the standard library.The
slicespackage is a good choice for the IndexFunc functionality, as it's part of Go's standard library and provides efficient slice operations.
230-238: Verify the implications of returning 0 for Euclid chunks.The change to return 0 for chunks where all blocks have nil RowConsumption appears to be part of the Euclid fork support. However, we should verify:
- That this behavior is expected and documented.
- That downstream systems are prepared for this change in behavior.
Let's check for any documentation or related code that might be affected:
✅ Verification successful
Behavior of returning 0 for Euclid chunks is verified through test cases
The implementation is consistent with test expectations:
- Test cases explicitly verify that chunks with all nil RowConsumption return 0
- Error handling prevents mixed states by failing if only some blocks have nil RowConsumption
- The behavior appears to be intentional and well-tested
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The following scripts were executed for the analysis:
Script:
#!/bin/bash # Search for documentation or related code mentioning Euclid chunks rg -i "euclid.*chunk|row.*consumption" --type md # Search for other places where CrcMax is used rg "CrcMax|RowConsumption" -A 5Length of output: 3011
encoding/da_test.go (1)
Line range hint
230-238: Where are the codecv5 and codecv6 implementations?The PR objectives mention adding codecv5 and codecv6 for the Euclid fork, but these implementations are not visible in the provided files. Are there additional files that need to be reviewed?
Let's check for codec-related files:
✅ Verification successful
The codecv5 and codecv6 implementations are present
The implementations for both codecv5 and codecv6 are found in their respective files under the encoding directory. They are properly implemented as extensions of CodecV4 with appropriate version forcing:
encoding/codecv5.go: ImplementsDACodecV5withNewDACodecV5()constructorencoding/codecv6.go: ImplementsDACodecV6withNewDACodecV6()constructor🏁 Scripts executed
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#!/bin/bash # Search for codec-related files and implementations fd -e go -x rg -l "type Codec|CodecV[0-9]|func.*Codec"Length of output: 501
Script:
#!/bin/bash # Check the implementation of codecv5 and codecv6 echo "=== CodecV5 Implementation ===" cat encoding/codecv5.go echo -e "\n=== CodecV6 Implementation ===" cat encoding/codecv6.goLength of output: 557
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🧹 Nitpick comments (2)
encoding/codecv5.go (2)
3-5: Consider documenting the struct's purpose and relationship with DACodecV4.The struct definition is clean and follows Go embedding patterns, but lacks documentation explaining its purpose and relationship with DACodecV4.
Add a doc comment explaining the purpose:
+// DACodecV5 extends DACodecV4 with modified chunk handling for the Euclid fork. type DACodecV5 struct { DACodecV4 }
7-14: Document the constructor and consider version validation.The constructor correctly initializes the struct but lacks documentation. Also, consider validating that the embedded DACodecV4 is properly initialized.
Add documentation and validation:
+// NewDACodecV5 creates a new DACodecV5 instance with CodecV5 version enforced. func NewDACodecV5() *DACodecV5 { v := CodecV5 + codec := &DACodecV5{ DACodecV4: DACodecV4{ forcedVersion: &v, }, } + // Validate initialization + if codec.Version() != CodecV5 { + panic("DACodecV5 initialization failed: incorrect version") + } + return codec }
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⛔ Files ignored due to path filters (1)
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📒 Files selected for processing (7)
encoding/codecv4.go(3 hunks)encoding/codecv5.go(1 hunks)encoding/codecv6.go(1 hunks)encoding/da.go(2 hunks)encoding/da_test.go(1 hunks)encoding/interfaces.go(2 hunks)go.mod(2 hunks)
🚧 Files skipped from review as they are similar to previous changes (5)
- encoding/da.go
- encoding/da_test.go
- go.mod
- encoding/codecv6.go
- encoding/codecv4.go
🧰 Additional context used
📓 Learnings (1)
encoding/interfaces.go (1)
Learnt from: colinlyguo
PR: scroll-tech/da-codec#25
File: encoding/interfaces.go:95-108
Timestamp: 2024-11-12T12:17:31.140Z
Learning: In the `CodecFromConfig` function in the Go `encoding/interfaces.go` file, if none of the chain configuration conditions match, it's acceptable to default to returning `&DACodecV0{}` because, in the current logic, we can only deduce the codec version as the function implements, and the logic is complete.
🔇 Additional comments (5)
encoding/codecv5.go (1)
16-19: Justify the hardcoded chunk limit.While the method is documented, it doesn't explain why the limit is set to 1. This could impact performance and should be justified.
Could you provide context on why the chunk limit is set to 1 for CodecV5? This seems like a significant restriction compared to other codec versions.
encoding/interfaces.go (4)
79-80: LGTM! Version enum updated correctly.The new codec versions are added sequentially, maintaining proper versioning order.
96-99: LGTM! Version handling is consistent.The new codec versions are properly integrated into the version selection logic, maintaining consistency with existing patterns.
98-99: Missing CodecV6 implementation.The code references
NewDACodecV6(), but the implementation file (codecv6.go) is not included in the review. Please provide the implementation for review.Could you share the implementation of
DACodecV6and its constructor for review?
107-109: Verify the impact of codec selection order change.The addition of the Euclid check before DarwinV2 represents a change in the codec selection hierarchy. This could impact existing chains if the timestamp conditions overlap.
Please verify:
- The timestamp ranges for Euclid and DarwinV2 forks don't overlap
- Existing chains won't be affected by this change
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Actionable comments posted: 0
🧹 Nitpick comments (1)
encoding/da.go (1)
230-238: LGTM! Consider a minor optimization.The logic for handling euclid chunks is correct. However, we could potentially optimize the code by using a simple loop instead of
slices.IndexFuncsince we're just checking for nil.- isEuclidChunk := slices.IndexFunc(c.Blocks, func(block *Block) bool { - return block.RowConsumption != nil - }) == -1 + isEuclidChunk := true + for _, block := range c.Blocks { + if block.RowConsumption != nil { + isEuclidChunk = false + break + } + }
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encoding/da.go(5 hunks)
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- GitHub Check: tests
🔇 Additional comments (3)
encoding/da.go (3)
8-8: LGTM! Good choice using the standardslicespackage.The addition of the
slicespackage is appropriate for the new functionality inCrcMax.
646-649: LGTM! Hardfork handling is consistent.The addition of the Euclid hardfork check follows the established pattern and maintains consistency with the existing hardfork handling logic.
678-678: LGTM! Verify codec version implementations.The addition of CodecV5 and CodecV6 follows the established pattern. However, let's verify that these new codec versions are properly implemented.
Also applies to: 692-692
✅ Verification successful
✅ Codec implementations verified and correct
Both CodecV5 and CodecV6 are properly implemented:
- Extend DACodecV4 functionality
- Have dedicated constructors with proper version forcing
- Follow consistent implementation patterns
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Script:
#!/bin/bash # Description: Verify the implementation of CodecV5 and CodecV6 # Check for codec version definitions and implementations ast-grep --pattern 'type CodecVersion int' -A 10 rg -A 5 'const.*CodecV[56]' ast-grep --pattern 'func CodecFromVersion(version CodecVersion) (Codec, error)'Length of output: 1145
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#!/bin/bash # Description: Check implementations of new codec versions # Find codec struct definitions and constructors ast-grep --pattern 'type DACodecV5 struct' ast-grep --pattern 'type DACodecV6 struct' ast-grep --pattern 'func NewDACodecV5() *DACodecV5' ast-grep --pattern 'func NewDACodecV6() *DACodecV6' # Look for any references to these codecs rg "DACodecV[56]" -A 2Length of output: 2023
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| return CodecV4 | ||
| } else { | ||
| return CodecV6 |
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Adding a comment here why CodecV6 is "skipped" would be great
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Actionable comments posted: 1
🧹 Nitpick comments (3)
encoding/interfaces.go (3)
79-80: Add documentation for new codec versions.Please add documentation comments explaining the purpose and differences of
CodecV5andCodecV6compared to previous versions.
96-99: Consider consistent initialization patterns.The new codec versions use constructor functions (
NewDACodecV5(),NewDACodecV6()), while older versions use direct struct initialization. Consider using a consistent pattern across all versions.
Line range hint
664-667: Document the version mapping for Euclid.The code maps the Euclid fork directly to
CodecV6. Consider adding a comment explaining whyCodecV5is skipped in this mapping.
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⛔ Files ignored due to path filters (1)
go.sumis excluded by!**/*.sum
📒 Files selected for processing (7)
encoding/codecv4.go(3 hunks)encoding/codecv5.go(1 hunks)encoding/codecv6.go(1 hunks)encoding/da.go(6 hunks)encoding/da_test.go(1 hunks)encoding/interfaces.go(2 hunks)go.mod(2 hunks)
🚧 Files skipped from review as they are similar to previous changes (5)
- encoding/codecv6.go
- encoding/da_test.go
- encoding/codecv5.go
- go.mod
- encoding/codecv4.go
🧰 Additional context used
📓 Learnings (1)
encoding/interfaces.go (1)
Learnt from: colinlyguo
PR: scroll-tech/da-codec#25
File: encoding/interfaces.go:95-108
Timestamp: 2024-11-12T12:17:31.140Z
Learning: In the `CodecFromConfig` function in the Go `encoding/interfaces.go` file, if none of the chain configuration conditions match, it's acceptable to default to returning `&DACodecV0{}` because, in the current logic, we can only deduce the codec version as the function implements, and the logic is complete.
⏰ Context from checks skipped due to timeout of 90000ms (1)
- GitHub Check: tests
🔇 Additional comments (8)
encoding/interfaces.go (4)
107-109: Document the direct jump from CodecV4 to CodecV6.The code jumps directly to
CodecV6for the Euclid fork, skippingCodecV5. This matches a past review comment asking about whyCodecV6is "skipped". Please add a comment explaining this version progression.
Line range hint
230-238: LGTM! Clear handling of euclid chunks.The code efficiently identifies euclid chunks using
slices.IndexFuncand correctly returns 0 for their row consumption.
Line range hint
646-649: LGTM! Clean hardfork name handling.The Euclid hardfork is correctly integrated into the version progression.
Line range hint
696-696: LGTM! Consistent compression behavior.The new codec versions correctly inherit the compression behavior from
CodecV4.Also applies to: 710-710
encoding/da.go (4)
8-8: LGTM! Good choice of standard library.The addition of the
slicespackage is appropriate for the new slice operations inCrcMax.
230-237: LGTM! Clean implementation of euclid chunk detection.The early return for euclid chunks (where all blocks have nil RowConsumption) is well-implemented. The use of
slices.IndexFuncmakes the code more readable and maintainable.
664-667: Add documentation explaining version progression.The code jumps from CodecV4 to CodecV6 for the euclid fork. Following up on @jonastheis's comment, please add documentation explaining why CodecV5 was skipped.
696-697: LGTM! Consistent compression handling.The addition of CodecV5 and CodecV6 to the compression handling follows the established pattern, maintaining consistency with CodecV4's implementation.
Also applies to: 710-711
| } else if !config.IsEuclid(blockTimestamp) { | ||
| return "darwinV2" | ||
| } else { | ||
| return "euclid" |
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💡 Codebase verification
Additional test coverage needed for euclid fork changes
The current test coverage for euclid fork changes appears insufficient. Missing test cases for:
- Fork activation conditions and timestamp validation
- Codec selection logic between darwinV2 and euclid
- Fork transition boundary cases
Please add comprehensive test cases in encoding/da_test.go to ensure reliable fork activation and codec selection.
🔗 Analysis chain
Verify test coverage for euclid fork changes.
Please ensure there are comprehensive tests for:
- Euclid fork activation conditions
- CodecV6 selection
- Compression behavior with CodecV6
Also applies to: 664-667
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#!/bin/bash
# Check for test coverage of euclid fork changes
# Look for tests related to euclid fork
rg -l "euclid|CodecV6" --type go --glob "*_test.go"
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ast-grep --pattern 'func Test$_(euclid|CodecV6)$$$'
Length of output: 127
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# Check content of test file for euclid-related tests
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rg -i "test.*euclid|iseuclid|codecv6" encoding/da_test.go -B 1 -A 5
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rg "blockTimestamp|darwinV2|euclid" encoding/da_test.go -B 1 -A 5
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