Method convert

src/rpc/client.cpp:255–257

    CRPCConvertTable();

    bool convert(const std::string& method, int idx) {
        return (members.count(std::make_pair(method, idx)) > 0);
    }
    bool convert(const std::string& method, const std::string& name) {
        return (membersByName.count(std::make_pair(method, name)) > 0);
    }