Add cli tool to convert address prefix

Ref #187

cmd/liked/cmd/bech32.go

@@ -0,0 +1,52 @@
+package cmd
+
+// Based on: https://github.com/osmosis-labs/osmosis/blob/v7.1.0/cmd/osmosisd/cmd/bech32.go
+
+import (
+	"github.com/spf13/cobra"
+
+	"github.com/cosmos/cosmos-sdk/types/bech32"
+)
+
+var (
+	flagToPrefix = "prefix"
+)
+
+// get cmd to convert any bech32 address to an like prefix
+func ConvertPrefixCommand() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "convert-prefix [bech32 address]",
+		Short: "Convert any bech32 address to the like prefix",
+		Long: `Convert any bech32 address to the like prefix
+Especially useful for converting cosmos prefix to like prefix
+Example:
+	liked convert-prefix cosmos1ey69r37gfxvxg62sh4r0ktpuc46pzjrmz29g45
+	`,
+		Args: cobra.ExactArgs(1),
+		RunE: func(cmd *cobra.Command, args []string) error {
+
+			toPrefix, err := cmd.Flags().GetString(flagToPrefix)
+			if err != nil {
+				return err
+			}
+
+			_, bz, err := bech32.DecodeAndConvert(args[0])
+			if err != nil {
+				return err
+			}
+
+			bech32Addr, err := bech32.ConvertAndEncode(toPrefix, bz)
+			if err != nil {
+				panic(err)
+			}
+
+			cmd.Println(bech32Addr)
+
+			return nil
+		},
+	}
+
+	cmd.Flags().StringP(flagToPrefix, "p", "like", "Bech32 prefix to encode to")
+
+	return cmd
+}

cmd/liked/cmd/cmd.go

@@ -203,6 +203,7 @@ func NewRootCmd() (*cobra.Command, app.EncodingConfig) {
 		txCommand(),
 		keys.Commands(app.DefaultNodeHome),
 		ShowHeightCommand(),
+		ConvertPrefixCommand(),
 	)
 
 	return rootCmd, encodingConfig