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## Description
Added the ability to set a minimum commission rate that all validators cannot set their commission rate below.
replaces https://github.com/cosmos/cosmos-sdk/pull/10422
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## Description
Closes: #8700
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## Description
Closes: #9447
This PR partially reverts #8505. Namely:
- it removes PowerReduction as a staking on-chain param
- however, it keeps #8505's API changes regarding adding a `powerReduction` function argument to staking functions. This allows us to rely less on global variables in said functions.
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* Move all migration scripts to v043
* Fix permaling
* Fix test
* Fix test again
Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>
Amaury
Marko
Aleksandr Bezobchuk
likhita-809
Sunny Aggarwal