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## Description
ref: #8961
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are the most critical to review. -->
Following up on [#9697](https://github.com/cosmos/cosmos-sdk/pull/9697#pullrequestreview-727295733), this PR is the first step for the #8961.
---
### 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...
- [x] included the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title
- [x] added `!` to the type prefix if API or client breaking change
- [x] targeted the correct branch (see [PR Targeting](https://github.com/cosmos/cosmos-sdk/blob/master/CONTRIBUTING.md#pr-targeting))
- [x] provided a link to the relevant issue or specification
- [ ] followed the guidelines for [building modules](https://github.com/cosmos/cosmos-sdk/blob/master/docs/building-modules)
- [ ] included the necessary unit and integration [tests](https://github.com/cosmos/cosmos-sdk/blob/master/CONTRIBUTING.md#testing)
- [x] 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)
* sort validators like tendermint
* address comments
* switch ordering in tests
* change sort logic in error case
* don't change test validators array order
Co-authored-by: Jack Zampolin <jack.zampolin@gmail.com>
Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>
* Bump Tendermint version to v0.33.0
* Deprecate old cmn package with new packages
* Update update DB APIs
* More DB updates
* Bump IAVL to v0.13.0
* Handle error returned by iavl.NewMutableTree
* Fix some IAVL stuffs
* Update IAVL
* More updates
* Passing tests
* Fix unit tests
Co-authored-by: Jack Zampolin <jack.zampolin@gmail.com>
MD Aleem
psaradev
Aditya
Robert Zaremba
Anil Kumar Kammari
Marko
Federico Kunze
Jonathan Gimeno
Alexander Bezobchuk
Erik Grinaker