wip: adding command to display json value for interchain packet data

modules/apps/27-interchain-accounts/client/cli/cli.go

@@ -37,6 +37,7 @@ func NewTxCmd() *cobra.Command {
 
 	icaTxCmd.AddCommand(
 		controllercli.NewTxCmd(),
+		hostcli.NewTxCmd(),
 	)
 
 	return icaTxCmd

modules/apps/27-interchain-accounts/host/client/cli/cli.go

@@ -1,6 +1,7 @@
 package cli
 
 import (
+	"github.com/cosmos/cosmos-sdk/client"
 	"github.com/spf13/cobra"
 )
 
@@ -20,3 +21,20 @@ func GetQueryCmd() *cobra.Command {
 
 	return queryCmd
 }
+
+// NewTxCmd creates and returns the tx command
+func NewTxCmd() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:                        "host",
+		Short:                      "interchain-accounts host subcommands",
+		DisableFlagParsing:         true,
+		SuggestionsMinimumDistance: 2,
+		RunE:                       client.ValidateCmd,
+	}
+
+	cmd.AddCommand(
+		generatePacketData(),
+	)
+
+	return cmd
+}

modules/apps/27-interchain-accounts/host/client/cli/tx.go

@@ -0,0 +1,61 @@
+package cli
+
+import (
+	"strings"
+
+	"github.com/cosmos/cosmos-sdk/client"
+	"github.com/cosmos/cosmos-sdk/codec"
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	"github.com/spf13/cobra"
+
+	icatypes "github.com/cosmos/ibc-go/v5/modules/apps/27-interchain-accounts/types"
+)
+
+func generatePacketData() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "generate-packet-data [message]",
+		Short: "Generate ICA packet data.",
+		Long:  strings.TrimSpace(`Generate ICA packet data.`), // TODO write more here
+		Args:  cobra.ExactArgs(1),
+		RunE: func(cmd *cobra.Command, args []string) error {
+			clientCtx, err := client.GetClientTxContext(cmd)
+			if err != nil {
+				return err
+			}
+
+			cdc := codec.NewProtoCodec(clientCtx.InterfaceRegistry)
+
+			var msg sdk.Msg
+			if err := cdc.UnmarshalInterfaceJSON([]byte(args[0]), &msg); err != nil {
+				return err
+			}
+
+			icaPacketDataBytes, err := icatypes.SerializeCosmosTx(cdc, []sdk.Msg{msg})
+			if err != nil {
+				return err
+			}
+
+			memo, err := cmd.Flags().GetString("memo")
+			if err != nil {
+				return err
+			}
+
+			icaPacketData := icatypes.InterchainAccountPacketData{
+				Type: icatypes.EXECUTE_TX,
+				Data: icaPacketDataBytes,
+				Memo: memo,
+			}
+
+			if err := icaPacketData.ValidateBasic(); err != nil {
+				return err
+			}
+
+			jsonBytes := cdc.MustMarshalJSON(&icaPacketData)
+			cmd.Println(string(jsonBytes))
+			return nil
+		},
+	}
+
+	cmd.Flags().String("memo", "", "")
+	return cmd
+}