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migrate.go
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/
migrate.go
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package v2
import (
"fmt"
"github.com/cosmos/cosmos-sdk/codec"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/CosmosContracts/juno/v22/x/mint/types"
)
const (
ModuleName = "mint"
)
var ParamsKey = []byte{0x01}
// Migrate migrates the x/mint module state from the consensus version 2 to
// version 3. Specifically, it takes the parameters that are currently stored
// and managed by the x/params modules and stores them directly into the x/mint
// module state.
func Migrate(
_ sdk.Context,
store sdk.KVStore,
cdc codec.BinaryCodec,
bondDenom string,
) error {
// https://juno-api.reece.sh/cosmos/mint/v1beta1/params
currParams := types.Params{
MintDenom: bondDenom,
BlocksPerYear: 5048093,
}
fmt.Printf("migrating %s params: %+v\n", ModuleName, currParams)
if err := currParams.Validate(); err != nil {
return err
}
bz := cdc.MustMarshal(&currParams)
store.Set(ParamsKey, bz)
return nil
}