## Description
We decided to remove middlewares, and revert to antehandlers (exactly like in v045) for this release. A better middleware solution will be implemented after v046.
ref: https://github.com/cosmos/cosmos-sdk/issues/11955
This PR is part 2 of 2:
- part 1: Revert baseapp and middlewares to v0.45.4
- part 2: Add posthandler, tips, priority
Depends on:
- [x] #11979
---
Suggestion for reviewers:
- Apart from correctness, I would also like someone to review **exhaustiveness**. I.e. all changes we made in v046 into the [middleware folder](https://github.com/cosmos/cosmos-sdk/tree/v0.46.0-beta2/x/auth/middleware) are reflected in this PR, and that I didn't forget anything. I found the following ones:
- add a TxFeeChecker in DeductFee
- add a ExtensionChecker in ExtCheckerDecorator
- add a TipDecorator
---
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