feat(iaviewer): Add "data-full" and "hash" commands #959
Conversation
WalkthroughThe recent updates to Changes
Sequence Diagram(s)sequenceDiagram
participant User
participant Main as Main Function
participant Cmds as Commands Map
participant ReadTree as ReadTree Function
participant PrintKeys as PrintKeys Function
participant ParseWeaveKey as ParseWeaveKey Function
User->>Main: Input Command
Main->>Cmds: Validate Command
alt Valid Command
Main->>ReadTree: Read Latest Tree Version
ReadTree-->>Main: Tree Data
Main->>PrintKeys: Print Tree Keys
PrintKeys-->>Main: Printed Keys
Main->>User: Output Result
else Invalid Command
Main->>User: Print Usage Message
end
Main->>ParseWeaveKey: Parse Key
ParseWeaveKey-->>Main: Encoded Key
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Actionable comments posted: 3
Review details
Configuration used: CodeRabbit UI
Review profile: CHILL
Files selected for processing (1)
- cmd/iaviewer/main.go (3 hunks)
Additional comments not posted (2)
cmd/iaviewer/main.go (2)
23-29: Validate command-line arguments using thecmdsmap.The
cmdsmap is a good addition for managing command validation. It simplifies the command checking logic and makes it easy to add or remove commands in the future. However, ensure that all commands in thecmdsmap are actively used and correctly implemented in the switch cases within themainfunction.Also applies to: 33-38
64-78: Review switch-case logic for new commands.The implementation of the
data-fullandhashcommands within a switch-case is efficient. The use offallthroughfordata-fulltodatais clever, allowing code reuse. However, ensure that thefallthroughbehavior is intentional and documented to avoid confusion for future maintainers.
| // parseWeaveKey returns a string representation of a key, splitting on the first ":" | ||
| // into a prefix (presumably an all-ASCII type label) followed by a possibly-binary suffix. | ||
| func parseWeaveKey(key []byte) string { | ||
| cut := bytes.IndexRune(key, ':') | ||
| if cut == -1 { | ||
| return encodeID(key) | ||
| return encodeData(key) | ||
| } | ||
| prefix := key[:cut] | ||
| id := key[cut+1:] | ||
| return fmt.Sprintf("%s:%s", encodeID(prefix), encodeID(id)) | ||
| return fmt.Sprintf("%s:%s", encodeData(prefix), encodeData(id)) |
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Optimize and clarify parseWeaveKey function.
The parseWeaveKey function now handles potentially binary data, which enhances its robustness. However, the function could be optimized by avoiding multiple calls to encodeData. Consider caching the result or restructuring the logic to minimize redundancy.
- return fmt.Sprintf("%s:%s", encodeData(prefix), encodeData(id))
+ encodedPrefix := encodeData(prefix)
+ encodedId := encodeData(id)
+ return fmt.Sprintf("%s:%s", encodedPrefix, encodedId)Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| // parseWeaveKey returns a string representation of a key, splitting on the first ":" | |
| // into a prefix (presumably an all-ASCII type label) followed by a possibly-binary suffix. | |
| func parseWeaveKey(key []byte) string { | |
| cut := bytes.IndexRune(key, ':') | |
| if cut == -1 { | |
| return encodeID(key) | |
| return encodeData(key) | |
| } | |
| prefix := key[:cut] | |
| id := key[cut+1:] | |
| return fmt.Sprintf("%s:%s", encodeID(prefix), encodeID(id)) | |
| return fmt.Sprintf("%s:%s", encodeData(prefix), encodeData(id)) | |
| // parseWeaveKey returns a string representation of a key, splitting on the first ":" | |
| // into a prefix (presumably an all-ASCII type label) followed by a possibly-binary suffix. | |
| func parseWeaveKey(key []byte) string { | |
| cut := bytes.IndexRune(key, ':') | |
| if cut == -1 { | |
| return encodeData(key) | |
| } | |
| prefix := key[:cut] | |
| id := key[cut+1:] | |
| encodedPrefix := encodeData(prefix) | |
| encodedId := encodeData(id) | |
| return fmt.Sprintf("%s:%s", encodedPrefix, encodedId) |
cmd/iaviewer/main.go
Outdated
| mutableTree, latestVersion, err := ReadTree(args[1], []byte(args[2])) | ||
| assertNoError(err, "Error reading database") | ||
|
|
||
| if args[0] == "versions" { | ||
| PrintVersions(mutableTree) | ||
| return | ||
| } | ||
|
|
||
| if version == 0 { | ||
| version = int(latestVersion) | ||
| } | ||
| tree, err := mutableTree.GetImmutable(int64(version)) | ||
| assertNoError(err, "Error reading target version") | ||
| fmt.Printf("Got version: %d\n", tree.Version()) |
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Tip
Codebase Verification
Missing Tests for ReadTree Function
The ReadTree function is not currently tested, which affects the reliability and maintainability of the code. Comprehensive tests should be added to cover the new functionality of the ReadTree function.
- Ensure that unit tests are created for the
ReadTreefunction. - Consider adding integration tests to verify its behavior in different scenarios.
Analysis chain
Refactor ReadTree function usage.
The ReadTree function now returns an ImmutableTree and the latest version, which aligns with the new functionality of loading the latest tree version. This is a significant improvement for error handling and flexibility. However, ensure that the ReadTree function is robustly tested, especially since it now handles more logic with version management.
Consider separating the version fetching logic to a different function for better separation of concerns and readability.
Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash
# Description: Verify robustness of the `ReadTree` function.
# Test: Search for the function usage and related unit tests. Expect: Comprehensive tests covering new functionality.
rg --type go $'ReadTree'
Length of output: 343
Script:
#!/bin/bash
# Description: Search for test files that use the `ReadTree` function and inspect their coverage.
# Find all Go test files
test_files=$(fd --type f --extension go --exec grep -l 'ReadTree')
# Search for ReadTree function usage in the test files
if [ -n "$test_files" ]; then
echo "$test_files" | xargs rg 'ReadTree'
else
echo "No test files found using ReadTree"
fi
Length of output: 432
Script:
#!/bin/bash
# Description: Search for all test files in the repository and check if `ReadTree` is tested indirectly.
# Find all Go test files
test_files=$(fd --type f --extension go --exec grep -l '_test.go')
# If test files are found, search for ReadTree function usage within them
if [ -n "$test_files" ]; then
echo "$test_files" | xargs rg 'ReadTree'
else
echo "No test files found in the repository"
fi
Length of output: 168
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Actionable comments posted: 2
Review details
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Review profile: CHILL
Files selected for processing (1)
- cmd/iaviewer/main.go (4 hunks)
Additional comments not posted (8)
cmd/iaviewer/main.go (8)
23-29: Good use of map for command validation.Using a map simplifies the validation of command line arguments, making the code cleaner and more maintainable.
33-38: Clear and concise argument validation.The validation logic is well-implemented. Consider adding a bit more detail to the usage instructions for clarity.
- <prefix> is the prefix of db, and the iavl tree of different modules in cosmos-sdk uses + <prefix> is the database prefix. Each module in the cosmos-sdk, such as "gov", uses a unique prefix to identify its iavl tree.
43-46: Proper handling of version parsing and error checking.The error handling using
assertNoErroris clean and reduces code duplication.
52-78: Well-structured command routing and error handling.The switch-case structure is effectively used to manage different commands. Consistent error handling enhances the robustness of the application.
81-84: Effective centralization of error handling.Centralizing error handling in
assertNoErrorfunction simplifies the code and enhances maintainability.
139-157: Robust implementation of tree loading with comprehensive error handling.The function is well-implemented with clear error handling. Consider adding a comment explaining the use of
DefaultCacheSize.+ // DefaultCacheSize is used here to specify the cache size for the iavl tree.
178-187: Optimize and clarifyparseWeaveKeyfunction.The
parseWeaveKeyfunction now handles potentially binary data, which enhances its robustness. However, the function could be optimized by avoiding multiple calls toencodeData. Consider caching the result or restructuring the logic to minimize redundancy.- return fmt.Sprintf("%s:%s", encodeData(prefix), encodeData(id)) + encodedPrefix := encodeData(prefix) + encodedId := encodeData(id) + return fmt.Sprintf("%s:%s", encodedPrefix, encodedId)
190-210: Well-implemented data encoding function.The function handles various cases effectively. Consider adding more comments to explain the logic behind decisions like
hexConfusableandforceQuotes.+ // hexConfusable is used to determine if the data should be represented in hexadecimal to avoid confusion. + // forceQuotes is used to ensure that certain characters are quoted to prevent misinterpretation.
| } | ||
|
|
||
| func PrintShape(tree *iavl.MutableTree) { | ||
| func PrintShape(tree *iavl.ImmutableTree) { |
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Handle errors explicitly in PrintShape.
The function currently ignores errors silently. It's a good practice to handle errors explicitly to avoid hidden bugs.
- shape, _ := tree.RenderShape(" ", nodeEncoder)
+ shape, err := tree.RenderShape(" ", nodeEncoder)
+ if err != nil {
+ fmt.Fprintf(os.Stderr, "Error rendering tree shape: %s\n", err)
+ return
+ }Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| func PrintShape(tree *iavl.ImmutableTree) { | |
| func PrintShape(tree *iavl.ImmutableTree) { | |
| shape, err := tree.RenderShape(" ", nodeEncoder) | |
| if err != nil { | |
| fmt.Fprintf(os.Stderr, "Error rendering tree shape: %s\n", err) | |
| return | |
| } | |
| fmt.Println(shape) | |
| } |
| func PrintKeys(tree *iavl.ImmutableTree, fullValues bool) { | ||
| valuesLabel := "hashed values" | ||
| valueToString := func(value []byte) string { | ||
| return fmt.Sprintf("%X", sha256.Sum256(value)) | ||
| } | ||
| if fullValues { | ||
| valuesLabel = "values" | ||
| valueToString = encodeData | ||
| } | ||
| fmt.Printf("Printing all keys with %s (to detect diff)\n", valuesLabel) | ||
| tree.Iterate(func(key []byte, value []byte) bool { | ||
| keyStr := parseWeaveKey(key) | ||
| valueStr := valueToString(value) | ||
| fmt.Printf(" %s\n %s\n", keyStr, valueStr) |
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Tip
Codebase Verification
Unit tests for PrintKeys function are missing.
The search did not find any unit tests covering the PrintKeys function. Please add unit tests to ensure both modes of operation (hashed values and full values) are verified.
- Location:
cmd/iaviewer/main.golines 160-173
Analysis chain
Flexible implementation of key printing with mode switching.
The use of a function pointer to switch between hashed and full values is a clever design choice. Ensure that this function is covered by unit tests to verify both modes of operation.
Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash
# Description: Verify unit tests for `PrintKeys` function.
# Test: Search for unit tests covering both `hashed values` and `full values`. Expect: Tests validating both modes.
rg --type go $'PrintKeys'
Length of output: 156
Script:
#!/bin/bash
# Description: Find test files and check for tests covering `PrintKeys` function.
# Step 1: Find all Go test files
test_files=$(fd --type f --extension go '_test.go')
# Step 2: Search for `PrintKeys` function usage within the test files
if [ -n "$test_files" ]; then
echo "$test_files" | xargs rg 'PrintKeys'
else
echo "No test files found."
fi
Length of output: 2183
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lgtm! @gibson042 could you please resolve conflicts? |
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@cool-develope Done. |
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📒 Files selected for processing (1)
- cmd/iaviewer/main.go (2 hunks)
🧰 Additional context used
🔇 Additional comments (8)
cmd/iaviewer/main.go (8)
24-31: Efficient command validation with 'cmds' mapThe initialization of the
cmdsmap provides an efficient way to validate supported commands.
34-39: Updated usage message includes new commandsThe usage message now reflects the addition of
data-fullandhashcommands, providing users with accurate information.
43-47: Proper parsing of version argumentThe use of
strconv.ParseIntensures the version number is correctly parsed into anint64.
50-52: Improved 'ReadTree' function usageThe updated call to
ReadTreenow retrieves the latest version, enhancing functionality.
58-60: Default to latest version when unspecifiedThe code correctly defaults to the latest version if none is provided, ensuring expected behavior.
61-64: Retrieve immutable tree for specified versionThe call to
GetImmutableretrieves the tree for the desired version, with proper error handling.
82-85: Consistent error handling with 'assertNoError' functionThe
assertNoErrorfunction provides a unified approach to error checking, improving code maintainability.
191-211: Robust data encoding in 'encodeData' functionThe
encodeDatafunction effectively converts byte slices into human-readable strings, handling non-printable characters and avoiding misinterpretation.
| fullValues := false | ||
| switch args[0] { | ||
| case "data-full": | ||
| fullValues = true | ||
| fallthrough | ||
| case "data": | ||
| PrintKeys(tree) | ||
| PrintKeys(tree, fullValues) | ||
| fallthrough | ||
| case "hash": | ||
| hash := tree.Hash() | ||
| fmt.Printf("Hash: %X\n", hash) | ||
| fmt.Printf("Size: %X\n", tree.Size()) | ||
| case "shape": | ||
| PrintShape(tree) | ||
| case "versions": | ||
| PrintVersions(tree) | ||
| } |
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Potential unintended command execution due to 'fallthrough'
The use of fallthrough statements causes commands "data", "data-full", and "hash" to execute sequentially. This means that when the "data" or "data-full" command is specified, the "hash" command's logic is also executed. If this behavior is unintended, consider removing the fallthrough statements to prevent unexpected command execution.
Apply this diff to remove unintended fallthroughs:
switch args[0] {
case "data-full":
fullValues = true
- fallthrough
case "data":
PrintKeys(tree, fullValues)
- fallthrough
case "hash":
hash := tree.Hash()
fmt.Printf("Hash: %X\n", hash)
fmt.Printf("Size: %X\n", tree.Size())
}📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| fullValues := false | |
| switch args[0] { | |
| case "data-full": | |
| fullValues = true | |
| fallthrough | |
| case "data": | |
| PrintKeys(tree) | |
| PrintKeys(tree, fullValues) | |
| fallthrough | |
| case "hash": | |
| hash := tree.Hash() | |
| fmt.Printf("Hash: %X\n", hash) | |
| fmt.Printf("Size: %X\n", tree.Size()) | |
| case "shape": | |
| PrintShape(tree) | |
| case "versions": | |
| PrintVersions(tree) | |
| } | |
| fullValues := false | |
| switch args[0] { | |
| case "data-full": | |
| fullValues = true | |
| PrintKeys(tree, fullValues) | |
| case "data": | |
| PrintKeys(tree, fullValues) | |
| case "hash": | |
| hash := tree.Hash() | |
| fmt.Printf("Hash: %X\n", hash) | |
| fmt.Printf("Size: %X\n", tree.Size()) | |
| case "shape": | |
| PrintShape(tree) | |
| } |
| os.Exit(1) | ||
| } | ||
|
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||
| version := 0 | ||
| if len(args) == 4 { | ||
| version := int64(0) |
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personal preference: a more verbose name would be more readable.
| version := int64(0) | |
| wantVersion := int64(0) |
The first three commits are general cleanup that could be pulled out into one or more independent PRs, and the fourth is the motivator of this PR: new
iaviewercommands for varying the amount of detail in output.data-fulloutputs actual values rather than just their SHA-256 digests.hashoutputs a tree summary without including details about individual entries.Summary by CodeRabbit
New Features
Bug Fixes
Refactor