(Fix) Missing tx hashes

[gabitoesmiapodo]

Closes #1981

Motivation

To fix the missing tx hashes.

Changelog

• Fixed the missing tx hashes.

Bug Fixes

• See above.

Checklist for your PR

• I added an entry to CHANGELOG.md with this PR
• If I added new functionality, I added tests covering it.
• If I fixed a bug, I added a regression test to prevent the bug from silently reappearing again.
• I checked whether I should update the docs and did so if necessary

[coveralls]

Pull Request Test Coverage Report for Build 02e00e75-d3e0-4a86-ba8d-692a8f0c9a08

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 4 unchanged lines in 1 file lost coverage.
• Overall coverage decreased (-0.07%) to 81.065%

---

Files with Coverage Reduction	New Missed Lines	%
apps/indexer/lib/indexer/block/catchup/fetcher.ex	4	69.23%

Totals
Change from base Build d14de463-975a-41b2-abaa-0ed0bac41348:	-0.07%
Covered Lines:	4718
Relevant Lines:	5820

---

💛 - Coveralls