Merge pull request #5066 from EOSIO/gh#4968-inline-actions

Gh#4968 inline actions

libraries/chain/abi_serializer.cpp

@@ -55,6 +55,11 @@ namespace eosio { namespace chain {
       set_abi(abi, max_serialization_time);
    }
 
+   void abi_serializer::add_specialized_unpack_pack( const string& name,
+                                                     std::pair<abi_serializer::unpack_function, abi_serializer::pack_function> unpack_pack ) {
+      built_in_types[name] = std::move( unpack_pack );
+   }
+
    void abi_serializer::configure_built_in_types() {
 
       built_in_types.emplace("bool",                      pack_unpack<uint8_t>());

libraries/chain/include/eosio/chain/abi_serializer.hpp

@@ -86,11 +86,13 @@ struct abi_serializer {
       return false;
    }
 
-   static const size_t max_recursion_depth = 32; // arbitrary depth to prevent infinite recursion
-
    typedef std::function<fc::variant(fc::datastream<const char*>&, bool, bool)>  unpack_function;
    typedef std::function<void(const fc::variant&, fc::datastream<char*>&, bool, bool)>  pack_function;
 
+   void add_specialized_unpack_pack( const string& name, std::pair<abi_serializer::unpack_function, abi_serializer::pack_function> unpack_pack );
+
+   static const size_t max_recursion_depth = 32; // arbitrary depth to prevent infinite recursion
+
 private:
 
    map<type_name, type_name>  typedefs;
@@ -134,6 +136,7 @@ namespace impl {
              std::is_same<T, packed_transaction>::value ||
              std::is_same<T, transaction_trace>::value ||
              std::is_same<T, transaction_receipt>::value ||
+             std::is_same<T, base_action_trace>::value ||
              std::is_same<T, action_trace>::value ||
              std::is_same<T, signed_transaction>::value ||
              std::is_same<T, signed_block>::value ||