Refactor/paramter types

[syan095]

Replace some parameter types with ConstU types

[codecov-commenter]

Codecov Report

Merging #725 (653f2f1) into master (c439a50) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #725   +/-   ##
=======================================
  Coverage   75.21%   75.21%           
=======================================
  Files          84       84           
  Lines        7643     7643           
=======================================
  Hits         5749     5749           
  Misses       1894     1894           

Impacted Files	Coverage Δ
auction/src/mock.rs	100.00% <ø> (ø)
authority/src/mock.rs	79.59% <ø> (ø)
benchmarking/src/tests.rs	96.77% <ø> (ø)
currencies/src/mock.rs	94.73% <ø> (ø)
gradually-update/src/mock.rs	100.00% <ø> (ø)
nft/src/mock.rs	100.00% <ø> (ø)
oracle/src/mock.rs	100.00% <ø> (ø)
rewards/src/mock.rs	92.30% <ø> (ø)
tokens/src/mock.rs	31.14% <ø> (ø)
unknown-tokens/src/mock.rs	100.00% <ø> (ø)
... and 8 more

📣 Codecov can now indicate which changes are the most critical in Pull Requests. Learn more