crypto/bip32: add rid

[cychuang0924]

Before submitting a pull request, please make sure the following is done:

Checklist

• Fork the repository and create your new branch from master.
• Please mention the name of community in Pull Request title.
• Git Commit Messages
  • Use the present tense (Also in Pull Request title): "Add feature" not "Added feature"
  • Use the imperative mood (Also in Pull Request title): "Move cursor to..." not "Moves cursor to..."
  • Use rebase to squash/fixup dummy/unnecessary commits into only one commit.

[codecov]

Codecov Report

Patch coverage: 75.00% and project coverage change: +0.02 🎉

Comparison is base (30835ee) 80.59% compared to head (baf0b34) 80.61%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #245      +/-   ##
==========================================
+ Coverage   80.59%   80.61%   +0.02%     
==========================================
  Files         143      143              
  Lines       11202    11215      +13     
==========================================
+ Hits         9028     9041      +13     
  Misses       1369     1369              
  Partials      805      805              

Impacted Files	Coverage Δ
crypto/bip32/master/peer.go	100.00% <ø> (ø)
crypto/bip32/child/share_manager.go	74.35% <66.66%> (-0.65%)	⬇️
crypto/bip32/master/0_initial_handler.go	76.98% <66.66%> (-0.52%)	⬇️
crypto/bip32/master/5_result_handler.go	71.69% <100.00%> (+0.54%)	⬆️
crypto/bip32/master/6_verify_handler.go	61.53% <100.00%> (ø)
crypto/bip32/master/master.go	73.84% <100.00%> (+0.40%)	⬆️

... and 4 files with indirect coverage changes

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