Fix non native field type conversion

NilFoundation · Jun 21, 2024 · 9d9389e · 9d9389e
1 parent 5cdecf0
commit 9d9389e
Showing 1 changed file with 8 additions and 1 deletion.
diff --git a/include/nil/blueprint/non_native_marshalling.hpp b/include/nil/blueprint/non_native_marshalling.hpp
@@ -165,7 +165,14 @@ namespace nil {
             else {
                 if constexpr (non_native_policy::ratio == 1) {
                     column_type<BlueprintFieldType> res;
-                    res.push_back(typename BlueprintFieldType::value_type(typename BlueprintFieldType::integral_type(input.data)));
+                    typename BlueprintFieldType::integral_type chopped_val = typename BlueprintFieldType::integral_type::backend_type(input.data.backend().base_data());
+                    if (NonNativeFieldType::modulus_bits < BlueprintFieldType::modulus_bits) {
+                        // set unused bits 0
+                        typename BlueprintFieldType::integral_type base = 1;
+                        typename BlueprintFieldType::integral_type mask = (base << NonNativeFieldType::modulus_bits) - 1;
+                        chopped_val = chopped_val & mask;
+                    }
+                    res.push_back(typename BlueprintFieldType::value_type(chopped_val));
                     return res;
                 }
                 else {