feat: calculate piece metadata digest

[jim3ma]

Signed-off-by: Jim Ma [email protected]

Description

1. Calculate pieces metadata digest.
2. Fix midway back source not work.
3. Validate finished peer task digest before operate it, eg: get and upload pieces.

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:

• Code compiles correctly.
• My code follows the code style of this project.
• 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.
• All new and existing tests passed.

[codecov-commenter]

Codecov Report

Merging #787 (1f87af3) into main (ec8ede0) will increase coverage by 0.63%.
The diff coverage is 30.93%.

@@            Coverage Diff             @@
##             main     #787      +/-   ##
==========================================
+ Coverage   39.58%   40.21%   +0.63%     
==========================================
  Files          94       94              
  Lines        7647     7783     +136     
==========================================
+ Hits         3027     3130     +103     
- Misses       4226     4248      +22     
- Partials      394      405      +11     

Flag	Coverage Δ
Object-compatibility-e2etests	?
e2etests	?
unittests	40.21% <30.93%> (+0.63%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
client/daemon/daemon.go	0.00% <0.00%> (ø)
client/daemon/peer/peertask_file.go	52.02% <0.00%> (-1.45%)	⬇️
client/daemon/peer/peertask_manager.go	20.14% <0.00%> (ø)
client/daemon/peer/peertask_stream.go	53.21% <0.00%> (-1.40%)	⬇️
client/daemon/storage/storage_manager.go	20.89% <5.26%> (-0.88%)	⬇️
client/daemon/storage/local_storage.go	24.80% <13.63%> (-4.42%)	⬇️
client/daemon/peer/peertask_file_callback.go	56.19% <28.57%> (-4.25%)	⬇️
client/daemon/peer/peertask_base.go	46.95% <61.11%> (+13.47%)	⬆️
client/daemon/peer/piece_manager.go	69.28% <75.00%> (+1.17%)	⬆️
pkg/util/digestutils/digest_reader.go	76.19% <75.00%> (+1.19%)	⬆️
... and 4 more

[gaius-qi]

LGTM