imp: adding IsOpen and IsClosed methods to Channel type (#4152)

[AtreusSoltani]

Description

Add IsOpen and IsClosed methods to Channel.

closes: #4152

Commit Message / Changelog Entry

imp: adding `IsOpen` and `IsClosed` methods to Channel type (#4152)

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[codecov-commenter]

Codecov Report

Merging #4155 (22209bc) into main (31b3c60) will decrease coverage by 0.03%.
The diff coverage is 33.33%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4155      +/-   ##
==========================================
- Coverage   78.89%   78.86%   -0.03%     
==========================================
  Files         188      188              
  Lines       12990    12994       +4     
==========================================
  Hits        10248    10248              
- Misses       2313     2317       +4     
  Partials      429      429              

Impacted Files	Coverage Δ
.../apps/27-interchain-accounts/host/keeper/keeper.go	85.38% <0.00%> (ø)
modules/core/04-channel/types/channel.go	68.42% <0.00%> (-3.81%)	⬇️
...27-interchain-accounts/controller/keeper/keeper.go	90.62% <50.00%> (ø)
...interchain-accounts/controller/keeper/handshake.go	89.85% <100.00%> (ø)
...ps/27-interchain-accounts/host/keeper/handshake.go	89.39% <100.00%> (ø)

[crodriguezvega]

Thanks, @AtreusSoltani. I think there a few more places where IsClosed could be used. If you look for channel.State == types.CLOSED you will find them. :)

[AtreusSoltani]

Thanks, @AtreusSoltani. I think there a few more places where IsClosed could be used. If you look for channel.State == types.CLOSED you will find them. :)

You are right, I didn't see them before. I fixed it.

[charleenfei]

thank you @AtreusSoltani!

[crodriguezvega]

Looks good, thank you, @AtreusSoltani!