Fixing a bug where precision was getting lost in event -> db pipeline

[slundqui]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 83.33333% with 6 lines in your changes missing coverage. Please review.

Project coverage is 81.48%. Comparing base (7bb4141) to head (00ec5fe).
Report is 78 commits behind head on main.

Files with missing lines	Patch %	Lines
...c/agent0/ethpy/hyperdrive/interface/_event_logs.py	78.94%	4 Missing ⚠️
src/agent0/chainsync/db/hyperdrive/convert_data.py	66.66%	2 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1621   +/-   ##
=======================================
  Coverage   81.47%   81.48%           
=======================================
  Files          98       98           
  Lines        7282     7290    +8     
=======================================
+ Hits         5933     5940    +7     
- Misses       1349     1350    +1     

Flag	Coverage Δ
unittests	81.48% <83.33%> (+<0.01%)	⬆️

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