Problem: disallow same sender tx appear in the same tx after contract

[yihuang]

creation

Closes: #XXX

Description

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For contributor use:

• Targeted PR against correct branch (see CONTRIBUTING.md)
• Linked to Github issue with discussion and accepted design OR link to spec that describes this work.
• Code follows the module structure standards.
• Wrote unit and integration tests
• Updated relevant documentation (docs/) or specification (x/<module>/spec/)
• Added relevant godoc comments.
• Added a relevant changelog entry to the Unreleased section in CHANGELOG.md
• Re-reviewed Files changed in the Github PR explorer

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For admin use:

• Added appropriate labels to PR (ex. WIP, R4R, docs, etc)
• Reviewers assigned
• Squashed all commits, uses message "Merge pull request #XYZ: [title]" (coding standards)

[codecov]

Codecov Report

Attention: Patch coverage is 28.57143% with 20 lines in your changes missing coverage. Please review.

Project coverage is 46.15%. Comparing base (cd93407) to head (d71abad).
Report is 1 commits behind head on release/v1.4.x.

Files with missing lines	Patch %	Lines
app/ante/eth.go	32.00%	17 Missing ⚠️
app/ante/handler_options.go	0.00%	2 Missing and 1 partial ⚠️

Additional details and impacted files

@@                Coverage Diff                 @@
##           release/v1.4.x     #566      +/-   ##
==================================================
- Coverage           46.18%   46.15%   -0.03%     
==================================================
  Files                 181      181              
  Lines               18151    18179      +28     
==================================================
+ Hits                 8383     8391       +8     
- Misses               9048     9067      +19     
- Partials              720      721       +1     

Files with missing lines	Coverage Δ
app/ante/handler_options.go	54.54% <0.00%> (-1.39%)	⬇️
app/ante/eth.go	75.49% <32.00%> (-6.08%)	⬇️