feat: add cli for MsgPruneAcknowledgements (#5482) (#5543)

(cherry picked from commit bf12ce3)

Co-authored-by: Damian Nolan <damiannolan@gmail.com>

modules/core/04-channel/client/cli/cli.go

@@ -49,7 +49,9 @@ func NewTxCmd() *cobra.Command {
 		RunE:                       client.ValidateCmd,
 	}
 
-	txCmd.AddCommand()
+	txCmd.AddCommand(
+		NewPruneAcknowledgementsTxCmd(),
+	)
 
 	return txCmd
 }

modules/core/04-channel/client/cli/tx.go

@@ -0,0 +1,47 @@
+package cli
+
+import (
+	"fmt"
+	"strconv"
+
+	"github.com/spf13/cobra"
+
+	"github.com/cosmos/cosmos-sdk/client"
+	"github.com/cosmos/cosmos-sdk/client/flags"
+	"github.com/cosmos/cosmos-sdk/client/tx"
+	"github.com/cosmos/cosmos-sdk/version"
+
+	"github.com/cosmos/ibc-go/v8/modules/core/04-channel/types"
+)
+
+// NewPruneAcknowledgementsTxCmd returns the command to create a new MsgPruneAcknowledgements transaction
+func NewPruneAcknowledgementsTxCmd() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "prune-acknowledgements [port] [channel] [limit]",
+		Short: "Prune expired packet acknowledgements stored in IBC state",
+		Long: `Prune expired packet acknowledgements and receipts stored in IBC state. Packet ackwnowledgements and 
+		receipts are considered expired if a channel has been upgraded.`,
+		Example: fmt.Sprintf("%s tx ibc prune-acknowledgements [port] [channel] [limit]", version.AppName),
+		Args:    cobra.ExactArgs(3),
+		RunE: func(cmd *cobra.Command, args []string) error {
+			clientCtx, err := client.GetClientTxContext(cmd)
+			if err != nil {
+				return err
+			}
+
+			portID, channelID := args[0], args[1]
+			limit, err := strconv.ParseUint(args[2], 10, 64)
+			if err != nil {
+				return err
+			}
+
+			signer := clientCtx.GetFromAddress().String()
+			msg := types.NewMsgPruneAcknowledgements(portID, channelID, limit, signer)
+
+			return tx.GenerateOrBroadcastTxCLI(clientCtx, cmd.Flags(), msg)
+		},
+	}
+
+	flags.AddTxFlagsToCmd(cmd)
+	return cmd
+}