fix(HTTP): Missing handlers

[kehiy]

Description

I worte getAccountByNumber and getValidatorByNumber handler and also test for the handlers.

Related issue(s)

feat: #528

[kehiy]

@b00f I think you can review this PR now!

[b00f]

@kehiy Everything looks good. Please not that HTTP is a just wrapper over gRPC.
So, it is better to just call the gRPC, and let gRPC validates the data

[kehiy]

@kehiy Everything looks good. Please not that HTTP is a just wrapper over gRPC. So, it is better to just call the gRPC, and let gRPC validates the data

that't mean I need just remove the checks and test for them?

[codecov]

Codecov Report

Merging #549 (9cd59ac) into main (7281c49) will increase coverage by 0.10%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main     #549      +/-   ##
==========================================
+ Coverage   83.28%   83.39%   +0.10%     
==========================================
  Files         154      154              
  Lines        7341     7389      +48     
==========================================
+ Hits         6114     6162      +48     
  Misses        947      947              
  Partials      280      280              

[b00f]

@kehiy Everything looks good. Please not that HTTP is a just wrapper over gRPC. So, it is better to just call the gRPC, and let gRPC validates the data

that't mean I need just remove the checks and test for them?

Correct. It is OK now