Audit fix

[yun-yeo]

Summary of changes

close #667

We will add more msg validate function to prevent overflow inputs.
but for now, we need to recover from overflow case

Report of required housekeeping

• Github issue OR spec proposal link
• Wrote tests
• Updated API documentation (client/lcd/swagger-ui/swagger.yaml)
• Added a relevant changelog entry: clog add [section] [stanza] [message]

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(FOR ADMIN) Before merging

• Added appropriate labels to PR
• Squashed all commits, uses message "Merge pull request #XYZ: [title]" (coding standards)
• Confirm added tests are consistent with the intended behavior of changes
• Ensure all tests pass

[codecov]

Codecov Report

Merging #670 (ee60309) into main (0b3a306) will increase coverage by 0.40%.
The diff coverage is 91.66%.

@@            Coverage Diff             @@
##             main     #670      +/-   ##
==========================================
+ Coverage   44.63%   45.03%   +0.40%     
==========================================
  Files         120      120              
  Lines        6999     7001       +2     
==========================================
+ Hits         3124     3153      +29     
+ Misses       3630     3601      -29     
- Partials      245      247       +2     

Impacted Files	Coverage Δ
x/market/keeper/msg_server.go	0.00% <ø> (ø)
x/wasm/types/gas_meter.go	81.25% <90.47%> (+81.25%)	⬆️
x/oracle/types/ballot.go	66.17% <100.00%> (+1.56%)	⬆️