Deduplicate hashes

[miiu96]

Reasoning behind the pull request

• Deduplicate hashes on resolvers

Pre-requisites

Based on the Contributing Guidelines the PR author and the reviewers must check the following requirements are met:

• was the PR targeted to the correct branch?
• if this is a larger feature that probably needs more than one PR, is there a feat branch created?
• if this is a feat branch merging, do all satellite projects have a proper tag inside go.mod?

The base branch was changed.

The merge-base changed after approval.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 77.54%. Comparing base (32c0ab1) to head (262561d).
⚠️ Report is 10 commits behind head on feat/testnet-fixes.

Additional details and impacted files

@@                 Coverage Diff                 @@
##           feat/testnet-fixes    #7852   +/-   ##
===================================================
  Coverage               77.54%   77.54%           
===================================================
  Files                     882      883    +1     
  Lines                  124496   124506   +10     
===================================================
+ Hits                    96538    96550   +12     
+ Misses                  21545    21544    -1     
+ Partials                 6413     6412    -1     

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