feat: added modules

core/utils/rpc.go

@@ -0,0 +1,14 @@
+package utils
+
+import "encoding/json"
+
+// Object 转化为 String
+func ObjectToString(params interface{}) string {
+	bytes, _ := json.Marshal(params)
+	return BytesToString(bytes)
+}
+
+// 获取 RPC 参数
+func GetRpcParam(key string, params map[string]string) string {
+	return params[key]
+}