Refactoring/scale encoding (#1782)

* scale
qdrvm · Nov 14, 2023 · bd93022 · bd93022
1 parent bf165c0
commit bd93022
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Showing 5 changed files with 769 additions and 1 deletion.
diff --git a/core/network/helpers/scale_message_read_writer.hpp b/core/network/helpers/scale_message_read_writer.hpp
@@ -49,7 +49,7 @@ namespace kagome::network {
               static auto empty = std::make_shared<std::vector<uint8_t>>();
               raw = empty;
             }
-            auto msg_res = scale::decode<MsgType>(*raw);
+            auto msg_res = ::scale::decode<MsgType>(*raw);
             if (!msg_res) {
               return cb(outcome::failure(msg_res.error()));
             }

diff --git a/core/primitives/math.hpp b/core/primitives/math.hpp
@@ -35,6 +35,22 @@ namespace kagome::math {
     return res;
   }
 
+  template <typename T,
+            std::enable_if_t<std::is_integral_v<std::decay_t<T>>, bool> = true>
+  constexpr auto toLE(const T &value) {
+#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
+    constexpr size_t size = sizeof(std::decay_t<T>);
+    if constexpr (size == 8) {
+      return __builtin_bswap64(value);
+    } else if constexpr (size == 4) {
+      return __builtin_bswap32(value);
+    } else if constexpr (size == 2) {
+      return __builtin_bswap16(value);
+    }
+#endif
+    return value;
+  }
+
   inline bool isPowerOf2(size_t x) {
     return ((x > 0ull) && ((x & (x - 1ull)) == 0));
   }
@@ -46,4 +62,5 @@ namespace kagome::math {
     const auto p = k == 0ull ? 0ull : 64ull - __builtin_clzll(k);
     return (1ull << p);
   }
+
 }  // namespace kagome::math