feat: enforce 5% minimum validator commission rate #1177
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Added validation for minimum commission rate to ensure it is between 5% and 100%.
Added min_commission_rate field with custom options.
trizzle5k
requested review from
TxCorpi0x,
masihyeganeh,
metalarm10 and
miladz68
and removed request for
a team
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This PR introduces a protocol-level requirement for a minimum validator commission rate of 5%. This change is designed to ensure network security and validator sustainability by preventing a "race to the bottom" in commission rates.
Changes:
Proto Definition: Updated StakingParams in params.proto to include min_commission_rate using cosmossdk.io/math.LegacyDec.
Validation: Added validateMinCommissionRate in params.go to enforce the 0.05 (5%) floor during parameter updates and ValidateBasic checks.
Defaults: Updated DefaultStakingParams to set the initial floor to 5%.
Note on Code Generation: I have manually updated the .proto and logic files. However, make generate failed in my environment due to a compatibility issue with github.com/bytedance/sonic (GoMapIterator error). I am submitting the source changes so the CI or a maintainer with a compatible build environment can sync the generated .pb.go files.
This change is