Parallel upload

[Hitenjain14]

Changes

Fixes

Tests

Tasks to complete before merging PR:

• Ensure system tests are passing. If not Run them manually to check for any regressions 📋
• Do any new system tests need added to test this change? do any existing system tests need updated? If so create a PR at 0chain/system_test
• Merge your system tests PR to master AFTER merging this PR

Associated PRs (Link as appropriate):

• 0chain:
• gosdk:
• system_test:
• zboxcli:
• zwalletcli:
• Other: ...

[codecov-commenter]

Codecov Report

Attention: 192 lines in your changes are missing coverage. Please review.

Comparison is base (1d81b05) 14.40% compared to head (d9f2fbc) 14.95%.

Files	Patch %	Lines
...go/0chain.net/blobbercore/allocation/connection.go	9.72%	63 Missing and 2 partials ⚠️
...ode/go/0chain.net/blobbercore/filestore/storage.go	26.82%	28 Missing and 2 partials ⚠️
...ain.net/blobbercore/handler/file_command_update.go	0.00%	25 Missing ⚠️
...chain.net/blobbercore/filestore/tree_validation.go	63.93%	18 Missing and 4 partials ⚠️
...et/blobbercore/handler/object_operation_handler.go	25.00%	15 Missing and 3 partials ⚠️
...ain.net/blobbercore/handler/file_command_upload.go	46.66%	13 Missing and 3 partials ⚠️
...ain.net/blobbercore/allocation/allocationchange.go	0.00%	10 Missing ⚠️
code/go/0chain.net/core/common/handler.go	50.00%	3 Missing ⚠️
...ain.net/blobbercore/handler/file_command_delete.go	0.00%	2 Missing ⚠️
code/go/0chain.net/blobbercore/handler/worker.go	0.00%	1 Missing ⚠️

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Additional details and impacted files

@@               Coverage Diff               @@
##           sprint-1.13    #1374      +/-   ##
===============================================
+ Coverage        14.40%   14.95%   +0.54%     
===============================================
  Files              177      178       +1     
  Lines            19859    19854       -5     
===============================================
+ Hits              2861     2969     +108     
+ Misses           16642    16520     -122     
- Partials           356      365       +9     

Flag	Coverage Δ
Unit-Tests	14.95% <42.68%> (+0.54%)	⬆️

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[service-0chain]

Manual system tests [cancelled] with the following config

config	value
tests skipped	false
system-tests
gosdk	NOT OVERRIDDEN
zboxcli
zwalletcli
0chain
blobber	feat/parallel-upload
authorizer
0box
0dns

[service-0chain]

Manual system tests [failure] with the following config

config	value
tests skipped	false
system-tests
gosdk	NOT OVERRIDDEN
zboxcli
zwalletcli
0chain
blobber	feat/parallel-upload
authorizer
0box
0dns

[dabasov]

lgtm