add rest query the block config

cmd/exchaind/rest.go

@@ -35,6 +35,7 @@ import (
 	govrest "github.com/okex/exchain/x/gov/client/rest"
 	orderrest "github.com/okex/exchain/x/order/client/rest"
 	paramsclient "github.com/okex/exchain/x/params/client"
+	paramsrest "github.com/okex/exchain/x/params/client/rest"
 	slashingrest "github.com/okex/exchain/x/slashing/client/rest"
 	stakingrest "github.com/okex/exchain/x/staking/client/rest"
 	"github.com/okex/exchain/x/token"
@@ -102,6 +103,7 @@ func registerRoutesV1(rs *lcd.RestServer, pathPrefix string) {
 	)
 	mintrest.RegisterRoutes(rs.CliCtx, v1Router)
 	ibctransferrest.RegisterOriginRPCRoutersForGRPC(rs.CliCtx, v1Router)
+	paramsrest.RegisterRoutes(rs.CliCtx, v1Router)
 }
 
 func registerRoutesV2(rs *lcd.RestServer, pathPrefix string) {

x/params/client/cli/query.go

@@ -3,6 +3,7 @@ package cli
 import (
 	"fmt"
 	"github.com/okex/exchain/libs/cosmos-sdk/client/flags"
+	"strconv"
 	"strings"
 
 	"github.com/okex/exchain/x/params/types"
@@ -90,9 +91,17 @@ func GetCmdQueryBlockConfig(queryRoute string, cdc *codec.Codec) *cobra.Command
 
 $ exchaincli query params blockconfig
 `),
-		Args: cobra.NoArgs,
-		RunE: func(_ *cobra.Command, _ []string) error {
-			cliCtx := context.NewCLIContext().WithCodec(cdc)
+		Args: cobra.MinimumNArgs(0),
+		RunE: func(_ *cobra.Command, args []string) error {
+			height := int64(0)
+			if len(args) > 0 {
+				var err error
+				height, err = strconv.ParseInt(args[0], 10, 64)
+				if err != nil {
+					return err
+				}
+			}
+			cliCtx := context.NewCLIContext().WithCodec(cdc).WithHeight(height)
 
 			route := fmt.Sprintf("custom/%s/%s", queryRoute, types.QueryBlockConfig)
 			bz, _, err := cliCtx.QueryWithData(route, nil)

x/params/client/rest/rest.go

@@ -0,0 +1,36 @@
+package rest
+
+import (
+	"fmt"
+	"github.com/gorilla/mux"
+	"github.com/okex/exchain/libs/cosmos-sdk/client/context"
+	"github.com/okex/exchain/libs/cosmos-sdk/types/rest"
+	"github.com/okex/exchain/x/common"
+	"github.com/okex/exchain/x/params"
+	"github.com/okex/exchain/x/params/types"
+	"net/http"
+)
+
+// RegisterRoutes, a central function to define routes
+// which is called by the rest module in main application
+func RegisterRoutes(cliCtx context.CLIContext, r *mux.Router) {
+	r.HandleFunc(fmt.Sprintf("/params/blockconfig"), QueryBlockConfigFn(cliCtx)).Methods("GET")
+}
+
+func QueryBlockConfigFn(cliCtx context.CLIContext) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		cliCtx, ok := rest.ParseQueryHeightOrReturnBadRequest(w, cliCtx, r)
+		if !ok {
+			return
+		}
+
+		route := fmt.Sprintf("custom/%s/%s", params.RouterKey, types.QueryBlockConfig)
+		bz, _, err := cliCtx.QueryWithData(route, nil)
+		if err != nil {
+			sdkErr := common.ParseSDKError(err.Error())
+			common.HandleErrorMsg(w, cliCtx, sdkErr.Code, err.Error())
+			return
+		}
+		rest.PostProcessResponseBare(w, cliCtx, bz)
+	}
+}