refactor: use a more modern writing style to simplify code

Signed-off-by: deepdring <deepdrink@icloud.com>

Author: deepdring

app/app.go

@@ -8,6 +8,7 @@ import (
 	"fmt"
 	"io"
 	"io/fs"
+	"maps"
 	"math"
 	"net/http"
 	"os"
@@ -1343,9 +1344,7 @@ func RegisterSwaggerAPI(_ client.Context, rtr *mux.Router) {
 // GetMaccPerms returns a copy of the module account permissions
 func GetMaccPerms() map[string][]string {
 	dupMaccPerms := make(map[string][]string)
-	for k, v := range maccPerms {
-		dupMaccPerms[k] = v
-	}
+	maps.Copy(dupMaccPerms, maccPerms)
 	return dupMaccPerms
 }
 

x/cronos/rpc/api.go

@@ -279,11 +279,9 @@ func (api *CronosAPI) ReplayBlock(blockNrOrHash rpctypes.BlockNumberOrHash, post
 	}
 
 	// minus one to get the context of block beginning
-	contextHeight := blockNumber - 1
-	if contextHeight < 1 {
+	contextHeight := max(blockNumber-1,
 		// 0 is a special value in `ContextWithHeight`
-		contextHeight = 1
-	}
+		1)
 	rsp, err := api.cronosQueryClient.ReplayBlock(rpctypes.ContextWithHeight(contextHeight), req)
 	if err != nil {
 		return nil, err