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migrations.go
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/
migrations.go
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package upgradev3
import (
sdk "github.com/cosmos/cosmos-sdk/types"
bech32ibckeeper "github.com/osmosis-labs/bech32-ibc/x/bech32ibc/keeper"
)
var minCommissionRate = sdk.MustNewDecFromStr("0.05")
// UpdateMinimumCommissionRateParam is update the minimum commission rate param of staking.
func UpdateMinimumCommissionRateParam(ctx sdk.Context, keeper StakingKeeper) (sdk.Dec, error) {
params := keeper.GetParams(ctx)
// update the minCommissionRate param
params.MinCommissionRate = minCommissionRate
keeper.SetParams(ctx, params)
return minCommissionRate, nil
}
// SetMinimumCommissionRateToValidators is update the minimum commission rate to the validators rate
// whose commission rate is below the minimum commission rate.
func SetMinimumCommissionRateToValidators(ctx sdk.Context, keeper StakingKeeper, minCommissionRate sdk.Dec) error {
validators := keeper.GetAllValidators(ctx)
for _, validator := range validators {
if validator.Commission.Rate.IsNil() || validator.Commission.Rate.LT(minCommissionRate) {
if err := keeper.BeforeValidatorModified(ctx, validator.GetOperator()); err != nil {
return err
}
validator.Commission.Rate = minCommissionRate
validator.Commission.UpdateTime = ctx.BlockTime()
keeper.SetValidator(ctx, validator)
}
}
return nil
}
// SetupBech32ibcKeeper updates keeper by setting the native account prefix to "umee".
// Failing to set the native prefix will cause a chain halt on init genesis or
// in the firstBeginBlocker assertions.
func SetupBech32ibcKeeper(bech32IbcKeeper *bech32ibckeeper.Keeper, ctx sdk.Context) error {
return bech32IbcKeeper.SetNativeHrp(ctx, sdk.GetConfig().GetBech32AccountAddrPrefix())
}