Function lua_real_execute_contract_api

src/Chain/libraries/glua/lauxlib.cpp:1946–2067

}

static int lua_real_execute_contract_api(lua_State *L
  , const char *contract_name, const char *api_name, const char *arg1
)
{
    /*
    if (lua_gettop(L) < 2)
        return 0;
    const char *contract_name = luaL_checkstring(L, 1);
    const char *api_name = luaL_checkstring(L, 2);
     const char *arg1 = lua_gettop(L)>2 && lua_isstring(L, 3) ? luaL_checkstring(L, 3) : nullptr;
     */
	std::string arg1_str = arg1 ? std::string(arg1) : ""; // 这里单独保存一份是因为arg1，可能栈上数据哪里被pop了
    
    // FIXME
    if (!(glua::util::starts_with(contract_name, STREAM_CONTRACT_PREFIX)
        || glua::util::starts_with(contract_name, ADDRESS_CONTRACT_PREFIX))
        && !global_glua_chain_api->check_contract_exist(L, contract_name))
    {
        global_glua_chain_api->throw_exception(L, THINKYOUNG_API_SIMPLE_ERROR, "can't find this contract");
        lua_pushinteger(L, LUA_ERRRUN);
        return 1;
    }
    bool is_address = glua::util::starts_with(contract_name, ADDRESS_CONTRACT_PREFIX);
    char address[CONTRACT_ID_MAX_LENGTH + 1] = "\0";
    size_t address_size = 0;
    std::string wrapper_contract_name_str = thinkyoung::lua::lib::wrap_contract_name(contract_name);
    std::string unwrapper_name = thinkyoung::lua::lib::unwrap_any_contract_name(contract_name);
    if (!is_address)
        global_glua_chain_api->get_contract_address_by_name(L, unwrapper_name.c_str(), address, &address_size);
    else
    {
        strncpy(address, unwrapper_name.c_str(), CONTRACT_ID_MAX_LENGTH);
        address_size = unwrapper_name.length();
        address[address_size] = '\0';
    }
    // std::stringstream codess;
    // codess << "import_contract '" << contract_name << "'";
    // luaL_dostring(L, codess.str().c_str());
	auto saved_out = L->out;
	auto saved_err = L->err;
	L->out = nullptr;
	L->err = nullptr;
    lua_pushstring(L, contract_name);

	std::string api_name_str(api_name);

    luaL_import_contract_module(L); // FIXME: searcher_Lua添加了时， 这里好像内存越界，改动了api_name, pushnexttemplate这个函数好像有问题
    
    lua_settop(L, 1);  /* _LOADED table will be at index 2 */
    
    lua_getfield(L, LUA_REGISTRYINDEX, "_LOADED");
    lua_getfield(L, 2, wrapper_contract_name_str.c_str());  /* _LOADED[name] */

	L->out = saved_out;
	L->err = saved_err;

    if (!lua_toboolean(L, -1))  /* is it there? */
    {