feat: optimize the fast key format and encoding #923
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WalkthroughThe recent updates aim to improve code efficiency, readability, and maintainability. Key enhancements include introducing new encoding functions, a fast prefix formatter, and refining node key and hash handling. The restructuring of tree modification processes and adjustments in logging and key management strategies contribute to streamlining operations and reducing complexity. Changes
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| func (f *FastPrefixFormatter) Scan(key []byte, a interface{}) { | ||
| scan(a, key[1:]) |
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The Scan method lacks error handling or validation for the input parameters. Specifically, it assumes that the key slice has at least one element without checking, which could lead to a runtime panic if called with an empty slice.
Consider adding validation to ensure that the key slice is not empty before accessing its elements to prevent potential runtime panics.
| @@ -620,7 +624,7 @@ func (node *Node) writeBytes(w io.Writer) error { | |||
| return fmt.Errorf("writing mode, %w", err) | |||
| } | |||
| if mode&ModeLegacyLeftNode != 0 { // legacy leftNodeKey | |||
| err = encoding.EncodeBytes(w, node.leftNodeKey) | |||
| err = encoding.Encode32BytesHash(w, node.leftNodeKey) | |||
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The attempt to encode the legacy left node key using Encode32BytesHash in the writeBytes method seems incorrect. The method Encode32BytesHash is designed for encoding 32-byte hashes, not for encoding node keys.
- err = encoding.Encode32BytesHash(w, node.leftNodeKey)
+ err = encoding.EncodeBytes(w, node.leftNodeKey)Consider using EncodeBytes or an appropriate method for encoding node keys to ensure correct behavior.
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.
| err = encoding.Encode32BytesHash(w, node.leftNodeKey) | |
| err = encoding.EncodeBytes(w, node.leftNodeKey) |
| @@ -639,7 +643,7 @@ | |||
| return ErrRightNodeKeyEmpty | |||
| } | |||
| if mode&ModeLegacyRightNode != 0 { // legacy rightNodeKey | |||
| err = encoding.EncodeBytes(w, node.rightNodeKey) | |||
| err = encoding.Encode32BytesHash(w, node.rightNodeKey) | |||
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Similar to the previous comment, using Encode32BytesHash for encoding the legacy right node key is incorrect. The method is intended for hash encoding, not node key encoding.
- err = encoding.Encode32BytesHash(w, node.rightNodeKey)
+ err = encoding.EncodeBytes(w, node.rightNodeKey)Use EncodeBytes or a suitable method for encoding node keys to ensure the correct encoding process.
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.
| err = encoding.Encode32BytesHash(w, node.rightNodeKey) | |
| err = encoding.EncodeBytes(w, node.rightNodeKey) |
ref: #877
Some advanced features are missed in the master branch.