List optimization

[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 :clipboard:
• [ ] 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: https://github.com/0chain/gosdk/pull/1240
• system_test: https://github.com/0chain/system_test/pull/870
• zboxcli:
• zwalletcli:
• Other: ...

[codecov-commenter]

Codecov Report

Merging #1273 (6abdadb) into sprint-1.11 (bfe27aa) will decrease coverage by 0.09%. The diff coverage is 0.00%.

:exclamation: Your organization needs to install the Codecov GitHub app to enable full functionality.

@@               Coverage Diff               @@
##           sprint-1.11    #1273      +/-   ##
===============================================
- Coverage        23.99%   23.90%   -0.09%     
===============================================
  Files               85       85              
  Lines             9862     9875      +13     
===============================================
- Hits              2366     2361       -5     
- Misses            7202     7220      +18     
  Partials           294      294              

Flag	Coverage Δ
Unit-Tests	23.90% <0.00%> (-0.09%)	:arrow_down:

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

Files	Coverage Δ
.../0chain.net/blobbercore/handler/storage_handler.go	21.21% <0.00%> (-0.39%)	:arrow_down:

... and 1 file with indirect coverage changes

[service-0chain]

Manual system tests [success] with the following config	config	value
tests skipped	false
system-tests
gosdk	NOT OVERRIDDEN
zboxcli
zwalletcli
0chain
blobber	feat/list-optimization
authorizer
0box
0dns