Feature / Referral Signup and Referral (#321)

[scorpioborn]

• feat: signup referrer logic

• rename: referrer to referee in the ticket payload

• refactor: remove reward pair

• format: reformat proto files

• fix: inclue referral and referee campaign in the factory

• feat: check existing category receiver for the referee

• feat: validate source uid for the referee signup

• feat: validations for signup referral

Description

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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

• NA

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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: 246 lines in your changes are missing coverage. Please review.

Comparison is base (87db989) 11.83% compared to head (f2ba9ca) 11.79%.

Files	Patch %	Lines
x/reward/types/ticket.pb.go	0.71%	139 Missing ⚠️
x/reward/types/reward_signup_referee.go	0.00%	35 Missing ⚠️
x/reward/types/reward_signup_referrer.go	0.00%	32 Missing ⚠️
x/reward/types/reward_signup.go	0.00%	19 Missing ⚠️
x/reward/types/reward.go	0.00%	15 Missing ⚠️
x/reward/types/campaign.go	0.00%	4 Missing ⚠️
x/reward/keeper/msg_server_reward.go	83.33%	0 Missing and 2 partials ⚠️

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Additional details and impacted files

@@            Coverage Diff             @@
##           master     #324      +/-   ##
==========================================
- Coverage   11.83%   11.79%   -0.04%     
==========================================
  Files         346      348       +2     
  Lines       44417    44642     +225     
==========================================
+ Hits         5257     5267      +10     
- Misses      38679    38894     +215     
  Partials      481      481              

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