## Description
closing in on completion of linting
---
### Author Checklist
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please add links to any relevant follow up issues.*
I have...
* [ ] included the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title
* [ ] added `!` to the type prefix if API or client breaking change
* [ ] targeted the correct branch (see [PR Targeting](https://github.com/cosmos/cosmos-sdk/blob/main/CONTRIBUTING.md#pr-targeting))
* [ ] provided a link to the relevant issue or specification
* [ ] followed the guidelines for [building modules](https://github.com/cosmos/cosmos-sdk/blob/main/docs/docs/building-modules)
* [ ] included the necessary unit and integration [tests](https://github.com/cosmos/cosmos-sdk/blob/main/CONTRIBUTING.md#testing)
* [ ] added a changelog entry to `CHANGELOG.md`
* [ ] included comments for [documenting Go code](https://blog.golang.org/godoc)
* [ ] updated the relevant documentation or specification
* [ ] reviewed "Files changed" and left comments if necessary
* [ ] confirmed all CI checks have passed
### Reviewers Checklist
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* [ ] confirmed the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title
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* [ ] manually tested (if applicable)
This change fixes a scenario in which Coin.Validate() would panic when given a nil Amount.
While here, added a fuzz test along with unit/regression tests.
Fixes#15690
## Description
fix various linting issues
---
### Author Checklist
*All items are required. Please add a note to the item if the item is not applicable and
please add links to any relevant follow up issues.*
I have...
* [ ] included the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title
* [ ] added `!` to the type prefix if API or client breaking change
* [ ] targeted the correct branch (see [PR Targeting](https://github.com/cosmos/cosmos-sdk/blob/main/CONTRIBUTING.md#pr-targeting))
* [ ] provided a link to the relevant issue or specification
* [ ] followed the guidelines for [building modules](https://github.com/cosmos/cosmos-sdk/blob/main/docs/docs/building-modules)
* [ ] included the necessary unit and integration [tests](https://github.com/cosmos/cosmos-sdk/blob/main/CONTRIBUTING.md#testing)
* [ ] added a changelog entry to `CHANGELOG.md`
* [ ] included comments for [documenting Go code](https://blog.golang.org/godoc)
* [ ] updated the relevant documentation or specification
* [ ] reviewed "Files changed" and left comments if necessary
* [ ] confirmed all CI checks have passed
### Reviewers Checklist
*All items are required. Please add a note if the item is not applicable and please add
your handle next to the items reviewed if you only reviewed selected items.*
I have...
* [ ] confirmed the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title
* [ ] confirmed `!` in the type prefix if API or client breaking change
* [ ] confirmed all author checklist items have been addressed
* [ ] reviewed state machine logic
* [ ] reviewed API design and naming
* [ ] reviewed documentation is accurate
* [ ] reviewed tests and test coverage
* [ ] manually tested (if applicable)
Facundo Medica
Matt Kocubinski
Aaron CraeliusandMatt Kocubinski
emidev98andAleksandr Bezobchuk
Lukasz CwikandAleksandr Bezobchuk
Dev Ojhaandtestinginprod
mmsqe
mmsqe
samricotta
Bryce Nealanddydxwill
Mark Rushakoff
