Add computation_usage to transaction result response object

[illia-malachyn]

Closes: #769

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 52.40%. Comparing base (c8d6c13) to head (403832d).
Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #774      +/-   ##
==========================================
+ Coverage   52.38%   52.40%   +0.02%     
==========================================
  Files          35       35              
  Lines        5559     5562       +3     
==========================================
+ Hits         2912     2915       +3     
  Misses       2261     2261              
  Partials      386      386              

Flag	Coverage Δ
unittests	52.40% <100.00%> (+0.02%)	⬆️

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