Problem: customer tx indexer feature is not enabled

[yihuang]

Solution:

• enable and test the custom tx indexer feature

👮🏻👮🏻👮🏻 !!!! REFERENCE THE PROBLEM YOUR ARE SOLVING IN THE PR TITLE AND DESCRIBE YOUR SOLUTION HERE !!!! DO NOT FORGET !!!! 👮🏻👮🏻👮🏻

PR Checklist:

• Have you read the CONTRIBUTING.md?
• Does your PR follow the C4 patch requirements?
• Have you rebased your work on top of the latest master?
• Have you checked your code compiles? (make)
• Have you included tests for any non-trivial functionality?
• Have you checked your code passes the unit tests? (make test)
• Have you checked your code formatting is correct? (go fmt)
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Thank you for your code, it's appreciated! :)

[JayT106]

lgtm, do we need a migration guild/document for the operator to use the ethermint tx indexer?

[yihuang]

lgtm, do we need a migration guild/document for the operator to use the ethermint tx indexer?

maybe on a wiki page.