add optional arbitrary impls

[tzemanovic]

Description

This adds Arbitrary impl for some types behind a newly added feature "arbitrary" that can be used for e.g. prop and fuzz testing

Implements the following methods to be used for arbitrary(with = ..)

• arb_u256
• arb_uri
• arb_protobuf_any
• arb_tendermint_time

---

PR author checklist:

• Added changelog entry, using unclog.
• Added tests. - tested externally in fuzz test txs anoma/namada#3445
• Linked to GitHub issue. - no issue open
• Updated code comments and documentation (e.g., docs/). - no relevant docs section
• Tagged one reviewer who will be the one responsible for shepherding this PR.

Reviewer checklist:

• Reviewed Files changed in the GitHub PR explorer.
• Manually tested (in case integration/unit/mock tests are absent).

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 81 lines in your changes missing coverage. Please review.

Project coverage is 67.09%. Comparing base (edb36f7) to head (7f33030).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
ibc-primitives/src/lib.rs	0.00%	7 Missing ⚠️
ibc-apps/ics20-transfer/types/src/amount.rs	0.00%	5 Missing ⚠️
ibc-apps/ics20-transfer/types/src/denom.rs	0.00%	4 Missing ⚠️
ibc-apps/ics721-nft-transfer/types/src/class.rs	0.00%	4 Missing ⚠️
ibc-apps/ics721-nft-transfer/types/src/lib.rs	0.00%	4 Missing ⚠️
ibc-apps/ics721-nft-transfer/types/src/token.rs	0.00%	4 Missing ⚠️
ibc-primitives/src/types/timestamp.rs	0.00%	4 Missing ⚠️
ibc-core/ics04-channel/types/src/msgs/mod.rs	0.00%	2 Missing ⚠️
ibc-core/ics23-commitment/types/src/commitment.rs	0.00%	2 Missing ⚠️
ibc-apps/ics20-transfer/types/src/coin.rs	0.00%	1 Missing ⚠️
... and 44 more

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1390      +/-   ##
==========================================
- Coverage   67.35%   67.09%   -0.26%     
==========================================
  Files         225      226       +1     
  Lines       22393    22425      +32     
==========================================
- Hits        15082    15047      -35     
- Misses       7311     7378      +67     

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[rnbguy]

Can you please fix the typos nomal and blackslash to make the CI pass?

[rnbguy]

ibc-core-channel/arbitrary is missed. and router too.

[tzemanovic]

added ibc-core-channel

[rnbguy]

@tzemanovic Thanks for correctly adding ibc-core-commitment-types/arbitrary. It looks like, we forgot it for parity-scale-codec 😅 Can you please add it for us? (or give us permission to push commits to your branch)

[rnbguy]

I don't have write access to your branch. Can you add --force here to make the CI pass (not sure why the caching not working on CI)

ibc-rs/.github/workflows/rust.yaml

Line 128 in edb36f7

run: cargo binstall --no-confirm cargo-msrv

[rnbguy]

🎉