chore: optimize calculate digest

[jim3ma]

Description

1. Skip to validate PieceMd5Sign, per piece digest is sufficient.
2. Enable calculate piece digest by default for data integrality.

Related Issue

Motivation and Context

Screenshots (if appropriate)

Types of changes

• [ ] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)
• [ ] Documentation Update (if none of the other choices apply)

Checklist

• [ ] My change requires a change to the documentation.
• [ ] I have updated the documentation accordingly.
• [ ] I have read the CONTRIBUTING document.
• [ ] I have added tests to cover my changes.

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 80.00000% with 1 line in your changes missing coverage. Please review.

Project coverage is 52.57%. Comparing base (5dee749) to head (de81529).

Additional details and impacted files

[](https://app.codecov.io/gh/dragonflyoss/Dragonfly2/pull/3343?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=dragonflyoss) ```diff @@ Coverage Diff @@ ## main #3343 +/- ## ========================================== - Coverage 52.69% 52.57% -0.12% ========================================== Files 192 192 Lines 20468 20457 -11 ========================================== - Hits 10786 10756 -30 - Misses 8882 8899 +17 - Partials 800 802 +2 ``` | [Flag](https://app.codecov.io/gh/dragonflyoss/Dragonfly2/pull/3343/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=dragonflyoss) | Coverage Δ | | |---|---|---| | [unittests](https://app.codecov.io/gh/dragonflyoss/Dragonfly2/pull/3343/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=dragonflyoss) | `52.57% <80.00%> (-0.12%)` | :arrow_down: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=dragonflyoss#carryforward-flags-in-the-pull-request-comment) to find out more. | [Files](https://app.codecov.io/gh/dragonflyoss/Dragonfly2/pull/3343?dropdown=coverage&src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=dragonflyoss) | Coverage Δ | | |---|---|---| | [client/config/peerhost\_linux.go](https://app.codecov.io/gh/dragonflyoss/Dragonfly2/pull/3343?src=pr&el=tree&filepath=client%2Fconfig%2Fpeerhost_linux.go&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=dragonflyoss#diff-Y2xpZW50L2NvbmZpZy9wZWVyaG9zdF9saW51eC5nbw==) | `100.00% <100.00%> (ø)` | | | [client/daemon/peer/peertask\_conductor.go](https://app.codecov.io/gh/dragonflyoss/Dragonfly2/pull/3343?src=pr&el=tree&filepath=client%2Fdaemon%2Fpeer%2Fpeertask_conductor.go&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=dragonflyoss#diff-Y2xpZW50L2RhZW1vbi9wZWVyL3BlZXJ0YXNrX2NvbmR1Y3Rvci5nbw==) | `52.42% <75.00%> (-0.03%)` | :arrow_down: | ... and [6 files with indirect coverage changes](https://app.codecov.io/gh/dragonflyoss/Dragonfly2/pull/3343/indirect-changes?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=dragonflyoss)