Introduce built_in type 'any'

haderech · Mar 8, 2021 · a932ffb · a932ffb
1 parent 37d9df6
commit a932ffb
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diff --git a/libraries/chain/abi_serializer.cpp b/libraries/chain/abi_serializer.cpp
@@ -128,6 +128,7 @@ namespace eosio { namespace chain {
       built_in_types.emplace("symbol_code",               pack_unpack<symbol_code>());
       built_in_types.emplace("asset",                     pack_unpack<asset>());
       built_in_types.emplace("extended_asset",            pack_unpack<extended_asset>());
+      built_in_types.emplace("any",                       pack_unpack<any>());
    }
 
    void abi_serializer::set_abi(const abi_def& abi, const yield_function_t& yield) {

diff --git a/libraries/chain/include/eosio/chain/types.hpp b/libraries/chain/include/eosio/chain/types.hpp
@@ -7,6 +7,7 @@
 #include <fc/interprocess/container.hpp>
 #include <fc/io/varint.hpp>
 #include <fc/io/enum_type.hpp>
+#include <fc/io/json.hpp>
 #include <fc/crypto/sha224.hpp>
 #include <fc/optional.hpp>
 #include <fc/safe.hpp>
@@ -393,6 +394,18 @@ namespace eosio { namespace chain {
    template<class... Ts> struct overloaded : Ts... { using Ts::operator()...; };
    template<class... Ts> overloaded(Ts...) -> overloaded<Ts...>;
 
+   struct any {
+      fc::variant data;
+   };
+
 } }  // eosio::chain
 
+namespace fc {
+   inline void to_variant(const eosio::chain::any& var, fc::variant& vo) { vo = var.data; }
+   inline void from_variant(const fc::variant& var, eosio::chain::any& vo) {
+      vo.data = fc::json::from_string(var.get_string());
+   }
+}
+
 FC_REFLECT_EMPTY( eosio::chain::void_t )
+FC_REFLECT( eosio::chain::any, (data) )