add transaction template

pkg/errs/error.go

@@ -29,6 +29,7 @@ const (
 	NormalSubcategoryTag            = 7
 	NormalSubcategoryDataManagement = 8
 	NormalSubcategoryMapProxy       = 9
+	NormalSubcategoryTemplate       = 10
 )
 
 // Error represents the specific error returned to user

pkg/errs/transaction_template.go

@@ -0,0 +1,9 @@
+package errs
+
+import "net/http"
+
+// Error codes related to transaction templates
+var (
+	ErrTransactionTemplateIdInvalid = NewNormalError(NormalSubcategoryTemplate, 0, http.StatusBadRequest, "transaction template id is invalid")
+	ErrTransactionTemplateNotFound  = NewNormalError(NormalSubcategoryTemplate, 1, http.StatusBadRequest, "transaction template not found")
+)