新的eos虛擬機移除了eosiolib/currency.hpp
之前的轉賬合約已經無法再更新智能合約
eosio::currency::inline_transfer(from, to, _extended_asset_EOS, "MEMO"); // 已廢棄
新的api
action(permission_level{ _self, N(active) },N(eosio.token), N(transfer),std::make_tuple(from, to, quantity, std::string("MEMO."))).send();