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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: #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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- [ ] 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)
- [ ] 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
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* update staking specs
* use gosimple code in x/staking/client/testutil/suite.go
* small fixes
* add godoc to methods in msg_server and grpc_query
* changes to godoc and small fixes
* remove unnecessary lines
* remove mentions of serviceMsg and avoid having slash after Msg
* Make JSONMarshaler require proto.Message
* Use &msg with MarshalJSON
* Use *LegacyAmino in queriers instead of JSONMarshaler
* Revert ABCIMessageLogs String() and coins tests
* Use LegacyAmino in client/debug and fix subspace tests
* Use LegacyAmino in all legacy queriers and adapt simulation
* Make AminoCodec implement Marshaler and some godoc fixes
* Test fixes
* Remove unrelevant comment
* Use TxConfig.TxJSONEncoder
* Use encoding/json in genutil cli migrate/validate genesis cmds
* Address simulation related comments
* Use JSONMarshaler in cli tests
* Use proto.Message as respType in cli tests
* Use tmjson for tm GenesisDoc
* Update types/module/simulation.go
Co-authored-by: Federico Kunze <31522760+fedekunze@users.noreply.github.com>
* Update types/module/module_test.go
Co-authored-by: Federico Kunze <31522760+fedekunze@users.noreply.github.com>
* Add godoc comments
* Remove unused InsertKeyJSON
* Fix tests
Co-authored-by: Aaron Craelius <aaronc@users.noreply.github.com>
Co-authored-by: Federico Kunze <31522760+fedekunze@users.noreply.github.com>
x/staking: Fix all linter warnings.
Fixed warnings across base packages.
New linters:
- unparam
- nolintlint
Co-authored-by: Alessio Treglia <alessio@tendermint.com>
