fix: rollback logic and add integrationt test for happy path

[AntonAndell]

No description provided.

[codecov]

Codecov Report

Merging #41 (6cc7551) into feat/remove-archway-submodule (a211079) will increase coverage by 0.36%.
The diff coverage is 97.95%.

❗ Current head 6cc7551 differs from pull request most recent head a211aef. Consider uploading reports for the commit a211aef to get more accurate results

@@                        Coverage Diff                        @@
##           feat/remove-archway-submodule      #41      +/-   ##
=================================================================
+ Coverage                          92.01%   92.37%   +0.36%     
=================================================================
  Files                                 14       14              
  Lines                               1265     1312      +47     
=================================================================
+ Hits                                1164     1212      +48     
+ Misses                               101      100       -1     

Flag	Coverage Δ
rust	92.37% <97.95%> (+0.36%)	⬆️

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Files	Coverage Δ
...racts/token-contracts/cw-hub-bnusd/src/contract.rs	96.46% <97.95%> (+0.51%)	⬆️