mukan-sdk/x/mint/keeper/migrator.go

package keeper

import (
	"github.com/cosmos/cosmos-sdk/x/mint/exported"
)

// Migrator is a struct for handling in-place state migrations.
type Migrator struct {
	keeper         Keeper
	legacySubspace exported.Subspace
}

// NewMigrator returns Migrator instance for the state migration.
func NewMigrator(k Keeper, ss exported.Subspace) Migrator {
	return Migrator{
		keeper:         k,
		legacySubspace: ss,
	}
}