fix missing share randomization in decoding benchmark

[Ocheretovich]

Fix decoding benchmark to randomize missing shares across all shares, not only data

[gemini-code-assist]

Summary of Changes

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This pull request addresses a bug in the decoding benchmark where missing shares were not being randomized correctly. The fix ensures that the randomization process considers all shares, leading to more accurate benchmark results.

Highlights

• Bug Fix: The decoding benchmark was incorrectly randomizing missing shares, leading to inaccurate performance measurements.
• Share Randomization: The fix ensures that missing shares are randomized across all shares, not just the data shares.
• Benchmark Accuracy: This change improves the accuracy and reliability of the decoding benchmark.

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Changelog

• codec_test.go
  • Modified the generateMissingData function to randomize missing shares across all shares instead of only data shares.

Activity

• The pull request author, Ocheretovich, has addressed an issue in the decoding benchmark.
• The change involves modifying the generateMissingData function in codec_test.go.

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[gemini-code-assist]

Code Review

This pull request correctly fixes an issue in the decoding benchmark where missing shares were only selected from the original data shares. The change is correct. I have added one comment on a related issue in the same function to improve the benchmark's correctness and robustness.