Resolve gocyclo Issue

[aminsato]

see #694

[aminsato]

Hi @IronGauntlets

I resolved the related issue.

It passed the corresponding test, and the result of gocyclo is 10.

please take a look

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 74.11765% with 22 lines in your changes are missing coverage. Please review.

Project coverage is 72.19%. Comparing base (b6fb092) to head (ea0872d).

Files	Patch %	Lines
core/trie/trie.go	74.11%	14 Missing and 8 partials :warning:

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1601      +/-   ##
==========================================
+ Coverage   72.04%   72.19%   +0.15%     
==========================================
  Files          90       90              
  Lines        9697     9721      +24     
==========================================
+ Hits         6986     7018      +32     
+ Misses       2185     2180       -5     
+ Partials      526      523       -3     

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