perf: aminocompat: package to allow optimizations iff amino-compatible

[odeke-em]

Implements a function "AllClear" which checks that an object is amino-json compatible and iff all clear, can permit us to directly:

• use encoding/json.Marshal

which produces sorted JSON

instead of 3 expensive steps to produce sorted JSON:

• amino.MarshalJSON
• encoding/json.Unmarshal
• encoding/json.Marshal

and the results are stark

$ benchstat before.txt after.txt
name          old time/op    new time/op    delta
MsgDeposit-8    10.8µs ± 1%     1.3µs ± 1%  -87.55%  (p=0.000 n=10+8)

name          old alloc/op   new alloc/op   delta
MsgDeposit-8    3.75kB ± 0%    0.26kB ± 0%  -92.96%  (p=0.000 n=10+10)

name          old allocs/op  new allocs/op  delta
MsgDeposit-8      99.0 ± 0%      13.0 ± 0%  -86.87%  (p=0.000 n=10+10)

Updates #2350

/cc @elias-orijtech @ValarDragon @tac0turtle

[github-actions]

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