crypto: refactor for stargate

[fedekunze]

No description provided.

[codecov]

Codecov Report

Merging #559 into development will not change coverage.
The diff coverage is 93.33%.

@@             Coverage Diff              @@
##           development     #559   +/-   ##
============================================
  Coverage        70.71%   70.71%           
============================================
  Files               42       42           
  Lines             2339     2339           
============================================
  Hits              1654     1654           
  Misses             541      541           
  Partials           144      144           

Impacted Files	Coverage Δ
crypto/ethsecp256k1/ethsecp256k1.go	65.51% <83.33%> (ø)
app/ante/ante.go	72.41% <100.00%> (ø)
crypto/ethsecp256k1/codec.go	100.00% <100.00%> (ø)
crypto/hd/algorithm.go	76.47% <100.00%> (ø)
x/evm/types/utils.go	41.50% <100.00%> (ø)

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