Feature / Upgrade Handler v1.3.0

[scorpioborn]

Description

Implement v4 upgrade handler for the reward and subaccount.

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Type of change

Please check the options that are relevant. This PR introduces

• Patch: Bug fix (non-breaking change which fixes an existing issue)
• Minor: New feature (non-breaking change which adds new functionality)
• Major: Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

Features Description

• Reward module added to upgrade handler
• Subaccount module added to upgrade handler
• Params query added to subaccount module

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Test Cases

• NA

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Documentation

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Checklist:

• I have added change type (major|minor|patch) in the PR
• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes

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[codecov-commenter]

Codecov Report

Attention: 14 lines in your changes are missing coverage. Please review.

Comparison is base (87db989) 11.83% compared to head (956cd6a) 11.83%.

Files	Patch %	Lines
x/subaccount/types/query.pb.go	0.00%	10 Missing ⚠️
x/subaccount/keeper/query_params.go	0.00%	4 Missing ⚠️

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Additional details and impacted files

@@           Coverage Diff           @@
##           master     #325   +/-   ##
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  Coverage   11.83%   11.83%           
=======================================
  Files         346      347    +1     
  Lines       44417    44417           
=======================================
  Hits         5257     5257           
  Misses      38679    38679           
  Partials      481      481           

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