feat(btclightclient): add fee rate related implementation in the cli

x/btclightclient/client/cli/query.go

@@ -27,6 +27,7 @@ func GetQueryCmd(_ string) *cobra.Command {
 	cmd.AddCommand(CmdTip())
 	cmd.AddCommand(CmdBaseHeader())
 	cmd.AddCommand(CmdHeaderDepth())
+	cmd.AddCommand(CmdFeeRate())
 	cmd.AddCommand(CmdQueryParams())
 
 	return cmd
@@ -200,6 +201,31 @@ func CmdHeaderDepth() *cobra.Command {
 	return cmd
 }
 
+func CmdFeeRate() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "fee-rate",
+		Short: "get bitcoin fee rate",
+		Args:  cobra.NoArgs,
+		RunE: func(cmd *cobra.Command, args []string) error {
+			clientCtx := client.GetClientContextFromCmd(cmd)
+
+			queryClient := types.NewQueryClient(clientCtx)
+
+			params := types.NewQueryFeeRateRequest()
+			res, err := queryClient.FeeRate(context.Background(), params)
+			if err != nil {
+				return err
+			}
+
+			return clientCtx.PrintProto(res)
+		},
+	}
+
+	flags.AddQueryFlagsToCmd(cmd)
+
+	return cmd
+}
+
 func CmdQueryParams() *cobra.Command {
 	cmd := &cobra.Command{
 		Use:   "params",

x/btclightclient/client/cli/tx.go

@@ -2,6 +2,7 @@ package cli
 
 import (
 	"fmt"
+	"strconv"
 
 	"github.com/Lorenzo-Protocol/lorenzo/x/btclightclient/types"
 	"github.com/cosmos/cosmos-sdk/client"
@@ -21,6 +22,7 @@ func GetTxCmd() *cobra.Command {
 	}
 
 	cmd.AddCommand(CmdTxInsertHeader())
+	cmd.AddCommand(CmdTxUpdateFeeRate())
 
 	return cmd
 }
@@ -49,3 +51,28 @@ func CmdTxInsertHeader() *cobra.Command {
 
 	return cmd
 }
+
+func CmdTxUpdateFeeRate() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "update-fee-rate fee-rate",
+		Short: "submit bitcoin fee rate",
+		Args:  cobra.ExactArgs(1),
+		RunE: func(cmd *cobra.Command, args []string) error {
+			clientCtx, err := client.GetClientTxContext(cmd)
+			if err != nil {
+				return err
+			}
+
+			feeRate, err := strconv.ParseUint(args[0], 10, 64)
+			if err != nil {
+				return err
+			}
+			msg := types.MsgUpdateFeeRate{Signer: clientCtx.GetFromAddress().String(), FeeRate: feeRate}
+			return tx.GenerateOrBroadcastTxCLI(clientCtx, cmd.Flags(), &msg)
+		},
+	}
+
+	flags.AddTxFlagsToCmd(cmd)
+
+	return cmd
+}

x/btclightclient/types/querier.go

@@ -40,3 +40,7 @@ func NewQueryTipRequest() *QueryTipRequest {
 func NewQueryBaseHeaderRequest() *QueryBaseHeaderRequest {
 	return &QueryBaseHeaderRequest{}
 }
+
+func NewQueryFeeRateRequest() *QueryFeeRateRequest {
+	return &QueryFeeRateRequest{}
+}