feat(ecocredit/core): SealBatch server impl

[technicallyty]

Description

• implements the SealBatch server method
• adds seal event

ref: #973

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Author Checklist

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• confirmed the correct type prefix in the PR title
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[codecov]

Codecov Report

Merging #1060 (429d1f2) into master (429d1f2) will not change coverage.
The diff coverage is n/a.

❗ Current head 429d1f2 differs from pull request most recent head d351eb0. Consider uploading reports for the commit d351eb0 to get more accurate results

@@           Coverage Diff           @@
##           master    #1060   +/-   ##
=======================================
  Coverage   68.98%   68.98%           
=======================================
  Files         218      218           
  Lines       21335    21335           
=======================================
  Hits        14717    14717           
  Misses       5268     5268           
  Partials     1350     1350           

Flag	Coverage Δ
experimental-codecov	68.79% <0.00%> (ø)
stable-codecov	62.93% <0.00%> (ø)

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[ryanchristo]

Looking good. Just a couple comments.

[ryanchristo]

Looks good to me.

[aleem1314]

lgtm

[ryanchristo]

@technicallyty can you fix conflicts? 🙏