Make PrevStateRoot of models.Batch non-optional

[max-sidorov]

No description provided.

[codecov-commenter]

Codecov Report

Merging #605 (02713f1) into master (f961ef4) will increase coverage by 0.03%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #605      +/-   ##
==========================================
+ Coverage   61.94%   61.97%   +0.03%     
==========================================
  Files         280      281       +1     
  Lines       12989    13001      +12     
==========================================
+ Hits         8046     8058      +12     
  Misses       4148     4148              
  Partials      795      795              

Flag	Coverage Δ
build-test	61.96% <100.00%> (+0.01%)	⬆️
e2e-tests	100.00% <ø> (?)

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
storage/error.go	58.13% <ø> (ø)
storage/batch.go	74.66% <100.00%> (+1.05%)	⬆️
e2e/get_domain.go	100.00% <0.00%> (ø)

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update f961ef4...02713f1. Read the comment docs.

[b-tarczynski]

PrevStateRoot is non-optional now. Could you change type of that field in models.Batch to common.Hash instead of pointer?

[max-sidorov]

Yes, of course.