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monero/tests/unit_tests/levin.cpp
anon d4c754923e
node_server: fix race condition
2021-09-20 20:58:24 +00:00

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// Copyright (c) 2019-2020, The Monero Project
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this list of
// conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
// of conditions and the following disclaimer in the documentation and/or other
// materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its contributors may be
// used to endorse or promote products derived from this software without specific
// prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <algorithm>
#include <boost/uuid/nil_generator.hpp>
#include <boost/uuid/random_generator.hpp>
#include <boost/uuid/uuid.hpp>
#include <cstring>
#include <gtest/gtest.h>
#include <limits>
#include <set>
#include <map>
#include "byte_slice.h"
#include "crypto/crypto.h"
#include "cryptonote_basic/connection_context.h"
#include "cryptonote_config.h"
#include "cryptonote_core/cryptonote_core.h"
#include "cryptonote_core/i_core_events.h"
#include "cryptonote_protocol/cryptonote_protocol_defs.h"
#include "cryptonote_protocol/levin_notify.h"
#include "int-util.h"
#include "p2p/net_node.h"
#include "net/dandelionpp.h"
#include "net/levin_base.h"
#include "span.h"
namespace
{
class test_endpoint final : public epee::net_utils::i_service_endpoint
{
boost::asio::io_service& io_service_;
std::size_t ref_count_;
virtual bool do_send(epee::byte_slice message) override final
{
send_queue_.push_back(std::move(message));
return true;
}
virtual bool close() override final
{
return true;
}
virtual bool send_done() override final
{
throw std::logic_error{"send_done not implemented"};
}
virtual bool call_run_once_service_io() override final
{
return io_service_.run_one();
}
virtual bool request_callback() override final
{
throw std::logic_error{"request_callback not implemented"};
}
virtual boost::asio::io_service& get_io_service() override final
{
return io_service_;
}
virtual bool add_ref() override final
{
++ref_count_;
return true;
}
virtual bool release() override final
{
--ref_count_;
return true;
}
public:
test_endpoint(boost::asio::io_service& io_service)
: epee::net_utils::i_service_endpoint(),
io_service_(io_service),
ref_count_(0),
send_queue_()
{}
virtual ~test_endpoint() noexcept(false) override final
{
EXPECT_EQ(0u, ref_count_);
}
std::deque<epee::byte_slice> send_queue_;
};
class test_core_events final : public cryptonote::i_core_events
{
std::map<cryptonote::relay_method, std::vector<cryptonote::blobdata>> relayed_;
virtual bool is_synchronized() const final
{
return false;
}
virtual uint64_t get_current_blockchain_height() const final
{
return 0;
}
virtual void on_transactions_relayed(epee::span<const cryptonote::blobdata> txes, cryptonote::relay_method relay) override final
{
std::vector<cryptonote::blobdata>& cached = relayed_[relay];
for (const auto& tx : txes)
cached.push_back(tx);
}
public:
test_core_events()
: relayed_()
{}
std::size_t relayed_method_size() const noexcept
{
return relayed_.size();
}
bool has_stem_txes() const noexcept
{
return relayed_.count(cryptonote::relay_method::stem);
}
std::vector<cryptonote::blobdata> take_relayed(cryptonote::relay_method relay)
{
auto elems = relayed_.find(relay);
if (elems == relayed_.end())
throw std::logic_error{"on_transactions_relayed empty"};
std::vector<cryptonote::blobdata> out{std::move(elems->second)};
relayed_.erase(elems);
return out;
}
};
class test_connection
{
test_endpoint endpoint_;
cryptonote::levin::detail::p2p_context context_;
epee::levin::async_protocol_handler<cryptonote::levin::detail::p2p_context> handler_;
public:
test_connection(boost::asio::io_service& io_service, cryptonote::levin::connections& connections, boost::uuids::random_generator& random_generator, const bool is_incoming)
: endpoint_(io_service),
context_(),
handler_(std::addressof(endpoint_), connections, context_)
{
using base_type = epee::net_utils::connection_context_base;
static_cast<base_type&>(context_) = base_type{random_generator(), {}, is_incoming, false};
context_.m_state = cryptonote::cryptonote_connection_context::state_normal;
handler_.after_init_connection();
}
//\return Number of messages processed
std::size_t process_send_queue(const bool valid = true)
{
std::size_t count = 0;
for ( ; !endpoint_.send_queue_.empty(); ++count, endpoint_.send_queue_.pop_front())
{
EXPECT_EQ(valid, handler_.handle_recv(endpoint_.send_queue_.front().data(), endpoint_.send_queue_.front().size()));
}
return count;
}
const boost::uuids::uuid& get_id() const noexcept
{
return context_.m_connection_id;
}
bool is_incoming() const noexcept
{
return context_.m_is_income;
}
};
struct received_message
{
boost::uuids::uuid connection;
int command;
std::string payload;
};
class test_receiver final : public epee::levin::levin_commands_handler<cryptonote::levin::detail::p2p_context>
{
std::deque<received_message> invoked_;
std::deque<received_message> notified_;
template<typename T>
static std::pair<boost::uuids::uuid, typename T::request> get_message(std::deque<received_message>& queue)
{
if (queue.empty())
throw std::logic_error{"Queue has no received messges"};
if (queue.front().command != T::ID)
throw std::logic_error{"Unexpected ID at front of message queue"};
epee::serialization::portable_storage storage{};
if(!storage.load_from_binary(epee::strspan<std::uint8_t>(queue.front().payload)))
throw std::logic_error{"Unable to parse epee binary format"};
typename T::request request{};
if (!request.load(storage))
throw std::logic_error{"Unable to load into expected request"};
boost::uuids::uuid connection = queue.front().connection;
queue.pop_front();
return {connection, std::move(request)};
}
static received_message get_raw_message(std::deque<received_message>& queue)
{
received_message out{std::move(queue.front())};
queue.pop_front();
return out;
}
virtual int invoke(int command, const epee::span<const uint8_t> in_buff, std::string& buff_out, cryptonote::levin::detail::p2p_context& context) override final
{
buff_out.clear();
invoked_.push_back(
{context.m_connection_id, command, std::string{reinterpret_cast<const char*>(in_buff.data()), in_buff.size()}}
);
return 1;
}
virtual int notify(int command, const epee::span<const uint8_t> in_buff, cryptonote::levin::detail::p2p_context& context) override final
{
notified_.push_back(
{context.m_connection_id, command, std::string{reinterpret_cast<const char*>(in_buff.data()), in_buff.size()}}
);
return 1;
}
virtual void callback(cryptonote::levin::detail::p2p_context& context) override final
{}
virtual void on_connection_new(cryptonote::levin::detail::p2p_context& context) override final
{
if (notifier)
notifier->on_handshake_complete(context.m_connection_id, context.m_is_income);
}
virtual void on_connection_close(cryptonote::levin::detail::p2p_context& context) override final
{
if (notifier)
notifier->on_connection_close(context.m_connection_id);
}
public:
test_receiver()
: epee::levin::levin_commands_handler<cryptonote::levin::detail::p2p_context>(),
invoked_(),
notified_()
{}
virtual ~test_receiver() noexcept override final{}
std::size_t invoked_size() const noexcept
{
return invoked_.size();
}
std::size_t notified_size() const noexcept
{
return notified_.size();
}
template<typename T>
std::pair<boost::uuids::uuid, typename T::request> get_invoked()
{
return get_message<T>(invoked_);
}
template<typename T>
std::pair<boost::uuids::uuid, typename T::request> get_notification()
{
return get_message<T>(notified_);
}
received_message get_raw_notification()
{
return get_raw_message(notified_);
}
std::shared_ptr<cryptonote::levin::notify> notifier{};
};
class levin_notify : public ::testing::Test
{
const std::shared_ptr<cryptonote::levin::connections> connections_;
std::set<boost::uuids::uuid> connection_ids_;
public:
levin_notify()
: ::testing::Test(),
connections_(std::make_shared<cryptonote::levin::connections>()),
connection_ids_(),
random_generator_(),
io_service_(),
receiver_(),
contexts_(),
events_()
{
connections_->set_handler(std::addressof(receiver_), nullptr);
}
virtual void TearDown() override final
{
EXPECT_EQ(0u, receiver_.invoked_size());
EXPECT_EQ(0u, receiver_.notified_size());
EXPECT_EQ(0u, events_.relayed_method_size());
}
cryptonote::levin::connections& get_connections() noexcept { return *connections_; }
void add_connection(const bool is_incoming)
{
contexts_.emplace_back(io_service_, *connections_, random_generator_, is_incoming);
EXPECT_TRUE(connection_ids_.emplace(contexts_.back().get_id()).second);
EXPECT_EQ(connection_ids_.size(), connections_->get_connections_count());
}
std::shared_ptr<cryptonote::levin::notify> make_notifier(const std::size_t noise_size, bool is_public, bool pad_txs)
{
epee::byte_slice noise = nullptr;
if (noise_size)
noise = epee::levin::make_noise_notify(noise_size);
epee::net_utils::zone zone = is_public ? epee::net_utils::zone::public_ : epee::net_utils::zone::i2p;
receiver_.notifier.reset(
new cryptonote::levin::notify{io_service_, connections_, std::move(noise), zone, pad_txs, events_}
);
return receiver_.notifier;
}
boost::uuids::random_generator random_generator_;
boost::asio::io_service io_service_;
test_receiver receiver_;
std::deque<test_connection> contexts_;
test_core_events events_;
};
}
TEST(make_header, no_expect_return)
{
static constexpr const std::size_t max_length = std::numeric_limits<std::size_t>::max();
const epee::levin::bucket_head2 header1 = epee::levin::make_header(1024, max_length, 5601, false);
EXPECT_EQ(SWAP64LE(LEVIN_SIGNATURE), header1.m_signature);
EXPECT_FALSE(header1.m_have_to_return_data);
EXPECT_EQ(SWAP64LE(max_length), header1.m_cb);
EXPECT_EQ(SWAP32LE(1024), header1.m_command);
EXPECT_EQ(SWAP32LE(LEVIN_PROTOCOL_VER_1), header1.m_protocol_version);
EXPECT_EQ(SWAP32LE(5601), header1.m_flags);
}
TEST(make_header, expect_return)
{
const epee::levin::bucket_head2 header1 = epee::levin::make_header(65535, 0, 0, true);
EXPECT_EQ(SWAP64LE(LEVIN_SIGNATURE), header1.m_signature);
EXPECT_TRUE(header1.m_have_to_return_data);
EXPECT_EQ(0u, header1.m_cb);
EXPECT_EQ(SWAP32LE(65535), header1.m_command);
EXPECT_EQ(SWAP32LE(LEVIN_PROTOCOL_VER_1), header1.m_protocol_version);
EXPECT_EQ(0u, header1.m_flags);
}
TEST(make_notify, empty_payload)
{
const epee::byte_slice message = epee::levin::make_notify(443, nullptr);
const epee::levin::bucket_head2 header =
epee::levin::make_header(443, 0, LEVIN_PACKET_REQUEST, false);
ASSERT_EQ(sizeof(header), message.size());
EXPECT_TRUE(std::memcmp(std::addressof(header), message.data(), sizeof(header)) == 0);
}
TEST(make_notify, with_payload)
{
std::string bytes(100, 'a');
std::generate(bytes.begin(), bytes.end(), crypto::random_device{});
const epee::byte_slice message = epee::levin::make_notify(443, epee::strspan<std::uint8_t>(bytes));
const epee::levin::bucket_head2 header =
epee::levin::make_header(443, bytes.size(), LEVIN_PACKET_REQUEST, false);
ASSERT_EQ(sizeof(header) + bytes.size(), message.size());
EXPECT_TRUE(std::memcmp(std::addressof(header), message.data(), sizeof(header)) == 0);
EXPECT_TRUE(std::memcmp(bytes.data(), message.data() + sizeof(header), bytes.size()) == 0);
}
TEST(make_noise, invalid)
{
EXPECT_TRUE(epee::levin::make_noise_notify(sizeof(epee::levin::bucket_head2) - 1).empty());
}
TEST(make_noise, valid)
{
static constexpr const std::uint32_t flags =
LEVIN_PACKET_BEGIN | LEVIN_PACKET_END;
const epee::byte_slice noise = epee::levin::make_noise_notify(1024);
const epee::levin::bucket_head2 header =
epee::levin::make_header(0, 1024 - sizeof(epee::levin::bucket_head2), flags, false);
ASSERT_EQ(1024, noise.size());
EXPECT_TRUE(std::memcmp(std::addressof(header), noise.data(), sizeof(header)) == 0);
EXPECT_EQ(1024 - sizeof(header), std::count(noise.cbegin() + sizeof(header), noise.cend(), 0));
}
TEST(make_fragment, invalid)
{
EXPECT_TRUE(epee::levin::make_fragmented_notify(nullptr, 0, nullptr).empty());
}
TEST(make_fragment, single)
{
const epee::byte_slice noise = epee::levin::make_noise_notify(1024);
const epee::byte_slice fragment = epee::levin::make_fragmented_notify(noise, 11, nullptr);
const epee::levin::bucket_head2 header =
epee::levin::make_header(11, 1024 - sizeof(epee::levin::bucket_head2), LEVIN_PACKET_REQUEST, false);
EXPECT_EQ(1024, noise.size());
ASSERT_EQ(1024, fragment.size());
EXPECT_TRUE(std::memcmp(std::addressof(header), fragment.data(), sizeof(header)) == 0);
EXPECT_EQ(1024 - sizeof(header), std::count(noise.cbegin() + sizeof(header), noise.cend(), 0));
}
TEST(make_fragment, multiple)
{
std::string bytes(1024 * 3 - 150, 'a');
std::generate(bytes.begin(), bytes.end(), crypto::random_device{});
const epee::byte_slice noise = epee::levin::make_noise_notify(1024);
epee::byte_slice fragment = epee::levin::make_fragmented_notify(noise, 114, epee::strspan<std::uint8_t>(bytes));
epee::levin::bucket_head2 header =
epee::levin::make_header(0, 1024 - sizeof(epee::levin::bucket_head2), LEVIN_PACKET_BEGIN, false);
ASSERT_LE(sizeof(header), fragment.size());
EXPECT_TRUE(std::memcmp(std::addressof(header), fragment.data(), sizeof(header)) == 0);
fragment.take_slice(sizeof(header));
header.m_flags = LEVIN_PACKET_REQUEST;
header.m_cb = bytes.size();
header.m_command = 114;
ASSERT_LE(sizeof(header), fragment.size());
EXPECT_TRUE(std::memcmp(std::addressof(header), fragment.data(), sizeof(header)) == 0);
fragment.take_slice(sizeof(header));
ASSERT_LE(bytes.size(), fragment.size());
EXPECT_TRUE(std::memcmp(bytes.data(), fragment.data(), 1024 - sizeof(header) * 2) == 0);
bytes.erase(0, 1024 - sizeof(header) * 2);
fragment.take_slice(1024 - sizeof(header) * 2);
header.m_flags = 0;
header.m_cb = 1024 - sizeof(header);
header.m_command = 0;
ASSERT_LE(sizeof(header), fragment.size());
EXPECT_TRUE(std::memcmp(std::addressof(header), fragment.data(), sizeof(header)) == 0);
fragment.take_slice(sizeof(header));
ASSERT_LE(bytes.size(), fragment.size());
EXPECT_TRUE(std::memcmp(bytes.data(), fragment.data(), 1024 - sizeof(header)) == 0);
bytes.erase(0, 1024 - sizeof(header));
fragment.take_slice(1024 - sizeof(header));
header.m_flags = LEVIN_PACKET_END;
ASSERT_LE(sizeof(header), fragment.size());
EXPECT_TRUE(std::memcmp(std::addressof(header), fragment.data(), sizeof(header)) == 0);
fragment.take_slice(sizeof(header));
EXPECT_TRUE(std::memcmp(bytes.data(), fragment.data(), bytes.size()) == 0);
fragment.take_slice(bytes.size());
EXPECT_EQ(18, std::count(fragment.cbegin(), fragment.cend(), 0));
}
TEST_F(levin_notify, defaulted)
{
cryptonote::levin::notify notifier{};
{
const auto status = notifier.get_status();
EXPECT_FALSE(status.has_noise);
EXPECT_FALSE(status.connections_filled);
}
EXPECT_TRUE(notifier.send_txs({}, random_generator_(), cryptonote::relay_method::local));
std::vector<cryptonote::blobdata> txs(2);
txs[0].resize(100, 'e');
EXPECT_FALSE(notifier.send_txs(std::move(txs), random_generator_(), cryptonote::relay_method::local));
}
TEST_F(levin_notify, fluff_without_padding)
{
std::shared_ptr<cryptonote::levin::notify> notifier_ptr = make_notifier(0, true, false);
auto &notifier = *notifier_ptr;
for (unsigned count = 0; count < 10; ++count)
add_connection(count % 2 == 0);
{
const auto status = notifier.get_status();
EXPECT_FALSE(status.has_noise);
EXPECT_FALSE(status.connections_filled);
}
notifier.new_out_connection();
io_service_.poll();
std::vector<cryptonote::blobdata> txs(2);
txs[0].resize(100, 'f');
txs[1].resize(200, 'e');
ASSERT_EQ(10u, contexts_.size());
{
auto context = contexts_.begin();
EXPECT_TRUE(notifier.send_txs(txs, context->get_id(), cryptonote::relay_method::fluff));
io_service_.reset();
ASSERT_LT(0u, io_service_.poll());
notifier.run_fluff();
ASSERT_LT(0u, io_service_.poll());
EXPECT_EQ(0u, context->process_send_queue());
for (++context; context != contexts_.end(); ++context)
EXPECT_EQ(1u, context->process_send_queue());
EXPECT_EQ(txs, events_.take_relayed(cryptonote::relay_method::fluff));
std::sort(txs.begin(), txs.end());
ASSERT_EQ(9u, receiver_.notified_size());
for (unsigned count = 0; count < 9; ++count)
{
auto notification = receiver_.get_notification<cryptonote::NOTIFY_NEW_TRANSACTIONS>().second;
EXPECT_EQ(txs, notification.txs);
EXPECT_TRUE(notification._.empty());
EXPECT_TRUE(notification.dandelionpp_fluff);
}
}
}
TEST_F(levin_notify, stem_without_padding)
{
std::shared_ptr<cryptonote::levin::notify> notifier_ptr = make_notifier(0, true, false);
auto &notifier = *notifier_ptr;
for (unsigned count = 0; count < 10; ++count)
add_connection(count % 2 == 0);
{
const auto status = notifier.get_status();
EXPECT_FALSE(status.has_noise);
EXPECT_FALSE(status.connections_filled);
}
notifier.new_out_connection();
io_service_.poll();
std::vector<cryptonote::blobdata> txs(2);
txs[0].resize(100, 'f');
txs[1].resize(200, 'e');
std::vector<cryptonote::blobdata> sorted_txs = txs;
std::sort(sorted_txs.begin(), sorted_txs.end());
ASSERT_EQ(10u, contexts_.size());
bool has_stemmed = false;
bool has_fluffed = false;
while (!has_stemmed || !has_fluffed)
{
auto context = contexts_.begin();
EXPECT_TRUE(notifier.send_txs(txs, context->get_id(), cryptonote::relay_method::stem));
io_service_.reset();
ASSERT_LT(0u, io_service_.poll());
const bool is_stem = events_.has_stem_txes();
EXPECT_EQ(txs, events_.take_relayed(is_stem ? cryptonote::relay_method::stem : cryptonote::relay_method::fluff));
if (!is_stem)
{
notifier.run_fluff();
ASSERT_LT(0u, io_service_.poll());
}
std::size_t send_count = 0;
EXPECT_EQ(0u, context->process_send_queue());
for (++context; context != contexts_.end(); ++context)
{
const std::size_t sent = context->process_send_queue();
if (sent && is_stem)
{
EXPECT_EQ(1u, (context - contexts_.begin()) % 2);
}
send_count += sent;
}
EXPECT_EQ(is_stem ? 1u : 9u, send_count);
ASSERT_EQ(is_stem ? 1u : 9u, receiver_.notified_size());
for (unsigned count = 0; count < (is_stem ? 1u : 9u); ++count)
{
auto notification = receiver_.get_notification<cryptonote::NOTIFY_NEW_TRANSACTIONS>().second;
if (is_stem)
EXPECT_EQ(txs, notification.txs);
else
EXPECT_EQ(sorted_txs, notification.txs);
EXPECT_TRUE(notification._.empty());
EXPECT_EQ(!is_stem, notification.dandelionpp_fluff);
}
has_stemmed |= is_stem;
has_fluffed |= !is_stem;
notifier.run_epoch();
}
}
TEST_F(levin_notify, stem_no_outs_without_padding)
{
std::shared_ptr<cryptonote::levin::notify> notifier_ptr = make_notifier(0, true, false);
auto &notifier = *notifier_ptr;
for (unsigned count = 0; count < 10; ++count)
add_connection(true);
{
const auto status = notifier.get_status();
EXPECT_FALSE(status.has_noise);
EXPECT_FALSE(status.connections_filled);
}
notifier.new_out_connection();
io_service_.poll();
std::vector<cryptonote::blobdata> txs(2);
txs[0].resize(100, 'f');
txs[1].resize(200, 'e');
std::vector<cryptonote::blobdata> sorted_txs = txs;
std::sort(sorted_txs.begin(), sorted_txs.end());
ASSERT_EQ(10u, contexts_.size());
auto context = contexts_.begin();
EXPECT_TRUE(notifier.send_txs(txs, context->get_id(), cryptonote::relay_method::stem));
io_service_.reset();
ASSERT_LT(0u, io_service_.poll());
EXPECT_EQ(txs, events_.take_relayed(cryptonote::relay_method::fluff));
if (events_.has_stem_txes())
EXPECT_EQ(txs, events_.take_relayed(cryptonote::relay_method::stem));
notifier.run_fluff();
ASSERT_LT(0u, io_service_.poll());
std::size_t send_count = 0;
EXPECT_EQ(0u, context->process_send_queue());
for (++context; context != contexts_.end(); ++context)
{
send_count += context->process_send_queue();
}
EXPECT_EQ(9u, send_count);
ASSERT_EQ(9u, receiver_.notified_size());
for (unsigned count = 0; count < 9u; ++count)
{
auto notification = receiver_.get_notification<cryptonote::NOTIFY_NEW_TRANSACTIONS>().second;
EXPECT_EQ(sorted_txs, notification.txs);
EXPECT_TRUE(notification._.empty());
EXPECT_TRUE(notification.dandelionpp_fluff);
}
}
TEST_F(levin_notify, local_without_padding)
{
std::shared_ptr<cryptonote::levin::notify> notifier_ptr = make_notifier(0, true, false);
auto &notifier = *notifier_ptr;
for (unsigned count = 0; count < 10; ++count)
add_connection(count % 2 == 0);
{
const auto status = notifier.get_status();
EXPECT_FALSE(status.has_noise);
EXPECT_FALSE(status.connections_filled);
}
notifier.new_out_connection();
io_service_.poll();
std::vector<cryptonote::blobdata> txs(2);
txs[0].resize(100, 'f');
txs[1].resize(200, 'e');
std::vector<cryptonote::blobdata> sorted_txs = txs;
std::sort(sorted_txs.begin(), sorted_txs.end());
ASSERT_EQ(10u, contexts_.size());
bool has_stemmed = false;
bool has_fluffed = false;
while (!has_stemmed || !has_fluffed)
{
auto context = contexts_.begin();
EXPECT_TRUE(notifier.send_txs(txs, context->get_id(), cryptonote::relay_method::local));
io_service_.reset();
ASSERT_LT(0u, io_service_.poll());
const bool is_stem = events_.has_stem_txes();
EXPECT_EQ(txs, events_.take_relayed(is_stem ? cryptonote::relay_method::stem : cryptonote::relay_method::fluff));
if (!is_stem)
{
notifier.run_fluff();
ASSERT_LT(0u, io_service_.poll());
}
std::size_t send_count = 0;
EXPECT_EQ(0u, context->process_send_queue());
for (++context; context != contexts_.end(); ++context)
{
const std::size_t sent = context->process_send_queue();
if (sent && is_stem)
{
EXPECT_EQ(1u, (context - contexts_.begin()) % 2);
}
send_count += sent;
}
EXPECT_EQ(is_stem ? 1u : 9u, send_count);
ASSERT_EQ(is_stem ? 1u : 9u, receiver_.notified_size());
for (unsigned count = 0; count < (is_stem ? 1u : 9u); ++count)
{
auto notification = receiver_.get_notification<cryptonote::NOTIFY_NEW_TRANSACTIONS>().second;
if (is_stem)
EXPECT_EQ(txs, notification.txs);
else
EXPECT_EQ(sorted_txs, notification.txs);
EXPECT_TRUE(notification._.empty());
EXPECT_EQ(!is_stem, notification.dandelionpp_fluff);
}
has_stemmed |= is_stem;
has_fluffed |= !is_stem;
notifier.run_epoch();
}
}
TEST_F(levin_notify, forward_without_padding)
{
std::shared_ptr<cryptonote::levin::notify> notifier_ptr = make_notifier(0, true, false);
auto &notifier = *notifier_ptr;
for (unsigned count = 0; count < 10; ++count)
add_connection(count % 2 == 0);
{
const auto status = notifier.get_status();
EXPECT_FALSE(status.has_noise);
EXPECT_FALSE(status.connections_filled);
}
notifier.new_out_connection();
io_service_.poll();
std::vector<cryptonote::blobdata> txs(2);
txs[0].resize(100, 'f');
txs[1].resize(200, 'e');
std::vector<cryptonote::blobdata> sorted_txs = txs;
std::sort(sorted_txs.begin(), sorted_txs.end());
ASSERT_EQ(10u, contexts_.size());
bool has_stemmed = false;
bool has_fluffed = false;
while (!has_stemmed || !has_fluffed)
{
auto context = contexts_.begin();
EXPECT_TRUE(notifier.send_txs(txs, context->get_id(), cryptonote::relay_method::forward));
io_service_.reset();
ASSERT_LT(0u, io_service_.poll());
const bool is_stem = events_.has_stem_txes();
EXPECT_EQ(txs, events_.take_relayed(is_stem ? cryptonote::relay_method::stem : cryptonote::relay_method::fluff));
if (!is_stem)
{
notifier.run_fluff();
ASSERT_LT(0u, io_service_.poll());
}
std::size_t send_count = 0;
EXPECT_EQ(0u, context->process_send_queue());
for (++context; context != contexts_.end(); ++context)
{
const std::size_t sent = context->process_send_queue();
if (sent && is_stem)
{
EXPECT_EQ(1u, (context - contexts_.begin()) % 2);
}
send_count += sent;
}
EXPECT_EQ(is_stem ? 1u : 9u, send_count);
ASSERT_EQ(is_stem ? 1u : 9u, receiver_.notified_size());
for (unsigned count = 0; count < (is_stem ? 1u : 9u); ++count)
{
auto notification = receiver_.get_notification<cryptonote::NOTIFY_NEW_TRANSACTIONS>().second;
if (is_stem)
EXPECT_EQ(txs, notification.txs);
else
EXPECT_EQ(sorted_txs, notification.txs);
EXPECT_TRUE(notification._.empty());
EXPECT_EQ(!is_stem, notification.dandelionpp_fluff);
}
has_stemmed |= is_stem;
has_fluffed |= !is_stem;
notifier.run_epoch();
}
}
TEST_F(levin_notify, block_without_padding)
{
std::shared_ptr<cryptonote::levin::notify> notifier_ptr = make_notifier(0, true, false);
auto &notifier = *notifier_ptr;
for (unsigned count = 0; count < 10; ++count)
add_connection(count % 2 == 0);
{
const auto status = notifier.get_status();
EXPECT_FALSE(status.has_noise);
EXPECT_FALSE(status.connections_filled);
}
notifier.new_out_connection();
io_service_.poll();
std::vector<cryptonote::blobdata> txs(2);
txs[0].resize(100, 'e');
txs[1].resize(200, 'f');
ASSERT_EQ(10u, contexts_.size());
{
auto context = contexts_.begin();
EXPECT_FALSE(notifier.send_txs(txs, context->get_id(), cryptonote::relay_method::block));
io_service_.reset();
ASSERT_EQ(0u, io_service_.poll());
}
}
TEST_F(levin_notify, none_without_padding)
{
std::shared_ptr<cryptonote::levin::notify> notifier_ptr = make_notifier(0, true, false);
auto &notifier = *notifier_ptr;
for (unsigned count = 0; count < 10; ++count)
add_connection(count % 2 == 0);
{
const auto status = notifier.get_status();
EXPECT_FALSE(status.has_noise);
EXPECT_FALSE(status.connections_filled);
}
notifier.new_out_connection();
io_service_.poll();
std::vector<cryptonote::blobdata> txs(2);
txs[0].resize(100, 'e');
txs[1].resize(200, 'f');
ASSERT_EQ(10u, contexts_.size());
{
auto context = contexts_.begin();
EXPECT_FALSE(notifier.send_txs(txs, context->get_id(), cryptonote::relay_method::none));
io_service_.reset();
ASSERT_EQ(0u, io_service_.poll());
}
}
TEST_F(levin_notify, fluff_with_padding)
{
std::shared_ptr<cryptonote::levin::notify> notifier_ptr = make_notifier(0, true, true);
auto &notifier = *notifier_ptr;
for (unsigned count = 0; count < 10; ++count)
add_connection(count % 2 == 0);
{
const auto status = notifier.get_status();
EXPECT_FALSE(status.has_noise);
EXPECT_FALSE(status.connections_filled);
}
notifier.new_out_connection();
io_service_.poll();
std::vector<cryptonote::blobdata> txs(2);
txs[0].resize(100, 'f');
txs[1].resize(200, 'e');
ASSERT_EQ(10u, contexts_.size());
{
auto context = contexts_.begin();
EXPECT_TRUE(notifier.send_txs(txs, context->get_id(), cryptonote::relay_method::fluff));
io_service_.reset();
ASSERT_LT(0u, io_service_.poll());
notifier.run_fluff();
ASSERT_LT(0u, io_service_.poll());
EXPECT_EQ(txs, events_.take_relayed(cryptonote::relay_method::fluff));
std::sort(txs.begin(), txs.end());
EXPECT_EQ(0u, context->process_send_queue());
for (++context; context != contexts_.end(); ++context)
EXPECT_EQ(1u, context->process_send_queue());
ASSERT_EQ(9u, receiver_.notified_size());
for (unsigned count = 0; count < 9; ++count)
{
auto notification = receiver_.get_notification<cryptonote::NOTIFY_NEW_TRANSACTIONS>().second;
EXPECT_EQ(txs, notification.txs);
EXPECT_FALSE(notification._.empty());
EXPECT_TRUE(notification.dandelionpp_fluff);
}
}
}
TEST_F(levin_notify, stem_with_padding)
{
std::shared_ptr<cryptonote::levin::notify> notifier_ptr = make_notifier(0, true, true);
auto &notifier = *notifier_ptr;
for (unsigned count = 0; count < 10; ++count)
add_connection(count % 2 == 0);
{
const auto status = notifier.get_status();
EXPECT_FALSE(status.has_noise);
EXPECT_FALSE(status.connections_filled);
}
notifier.new_out_connection();
io_service_.poll();
std::vector<cryptonote::blobdata> txs(2);
txs[0].resize(100, 'e');
txs[1].resize(200, 'f');
ASSERT_EQ(10u, contexts_.size());
bool has_stemmed = false;
bool has_fluffed = false;
while (!has_stemmed || !has_fluffed)
{
auto context = contexts_.begin();
EXPECT_TRUE(notifier.send_txs(txs, context->get_id(), cryptonote::relay_method::stem));
io_service_.reset();
ASSERT_LT(0u, io_service_.poll());
const bool is_stem = events_.has_stem_txes();
EXPECT_EQ(txs, events_.take_relayed(is_stem ? cryptonote::relay_method::stem : cryptonote::relay_method::fluff));
if (!is_stem)
{
notifier.run_fluff();
ASSERT_LT(0u, io_service_.poll());
}
std::size_t send_count = 0;
EXPECT_EQ(0u, context->process_send_queue());
for (++context; context != contexts_.end(); ++context)
{
const std::size_t sent = context->process_send_queue();
if (sent && is_stem)
{
EXPECT_EQ(1u, (context - contexts_.begin()) % 2);
EXPECT_FALSE(context->is_incoming());
}
send_count += sent;
}
EXPECT_EQ(is_stem ? 1u : 9u, send_count);
ASSERT_EQ(is_stem ? 1u : 9u, receiver_.notified_size());
for (unsigned count = 0; count < (is_stem ? 1u : 9u); ++count)
{
auto notification = receiver_.get_notification<cryptonote::NOTIFY_NEW_TRANSACTIONS>().second;
EXPECT_EQ(txs, notification.txs);
EXPECT_FALSE(notification._.empty());
EXPECT_EQ(!is_stem, notification.dandelionpp_fluff);
}
has_stemmed |= is_stem;
has_fluffed |= !is_stem;
notifier.run_epoch();
}
}
TEST_F(levin_notify, stem_no_outs_with_padding)
{
std::shared_ptr<cryptonote::levin::notify> notifier_ptr = make_notifier(0, true, true);
auto &notifier = *notifier_ptr;
for (unsigned count = 0; count < 10; ++count)
add_connection(true);
{
const auto status = notifier.get_status();
EXPECT_FALSE(status.has_noise);
EXPECT_FALSE(status.connections_filled);
}
notifier.new_out_connection();
io_service_.poll();
std::vector<cryptonote::blobdata> txs(2);
txs[0].resize(100, 'f');
txs[1].resize(200, 'e');
std::vector<cryptonote::blobdata> sorted_txs = txs;
std::sort(sorted_txs.begin(), sorted_txs.end());
ASSERT_EQ(10u, contexts_.size());
auto context = contexts_.begin();
EXPECT_TRUE(notifier.send_txs(txs, context->get_id(), cryptonote::relay_method::stem));
io_service_.reset();
ASSERT_LT(0u, io_service_.poll());
EXPECT_EQ(txs, events_.take_relayed(cryptonote::relay_method::fluff));
if (events_.has_stem_txes())
EXPECT_EQ(txs, events_.take_relayed(cryptonote::relay_method::stem));
notifier.run_fluff();
ASSERT_LT(0u, io_service_.poll());
std::size_t send_count = 0;
EXPECT_EQ(0u, context->process_send_queue());
for (++context; context != contexts_.end(); ++context)
{
send_count += context->process_send_queue();
}
EXPECT_EQ(9u, send_count);
ASSERT_EQ(9u, receiver_.notified_size());
for (unsigned count = 0; count < 9u; ++count)
{
auto notification = receiver_.get_notification<cryptonote::NOTIFY_NEW_TRANSACTIONS>().second;
EXPECT_EQ(sorted_txs, notification.txs);
EXPECT_FALSE(notification._.empty());
EXPECT_TRUE(notification.dandelionpp_fluff);
}
}
TEST_F(levin_notify, local_with_padding)
{
std::shared_ptr<cryptonote::levin::notify> notifier_ptr = make_notifier(0, true, true);
auto &notifier = *notifier_ptr;
for (unsigned count = 0; count < 10; ++count)
add_connection(count % 2 == 0);
{
const auto status = notifier.get_status();
EXPECT_FALSE(status.has_noise);
EXPECT_FALSE(status.connections_filled);
}
notifier.new_out_connection();
io_service_.poll();
std::vector<cryptonote::blobdata> txs(2);
txs[0].resize(100, 'e');
txs[1].resize(200, 'f');
ASSERT_EQ(10u, contexts_.size());
bool has_stemmed = false;
bool has_fluffed = false;
while (!has_stemmed || !has_fluffed)
{
auto context = contexts_.begin();
EXPECT_TRUE(notifier.send_txs(txs, context->get_id(), cryptonote::relay_method::local));
io_service_.reset();
ASSERT_LT(0u, io_service_.poll());
const bool is_stem = events_.has_stem_txes();
EXPECT_EQ(txs, events_.take_relayed(is_stem ? cryptonote::relay_method::stem : cryptonote::relay_method::fluff));
if (!is_stem)
{
notifier.run_fluff();
ASSERT_LT(0u, io_service_.poll());
}
std::size_t send_count = 0;
EXPECT_EQ(0u, context->process_send_queue());
for (++context; context != contexts_.end(); ++context)
{
const std::size_t sent = context->process_send_queue();
if (sent && is_stem)
{
EXPECT_EQ(1u, (context - contexts_.begin()) % 2);
EXPECT_FALSE(context->is_incoming());
}
send_count += sent;
}
EXPECT_EQ(is_stem ? 1u : 9u, send_count);
ASSERT_EQ(is_stem ? 1u : 9u, receiver_.notified_size());
for (unsigned count = 0; count < (is_stem ? 1u : 9u); ++count)
{
auto notification = receiver_.get_notification<cryptonote::NOTIFY_NEW_TRANSACTIONS>().second;
EXPECT_EQ(txs, notification.txs);
EXPECT_FALSE(notification._.empty());
EXPECT_EQ(!is_stem, notification.dandelionpp_fluff);
}
has_stemmed |= is_stem;
has_fluffed |= !is_stem;
notifier.run_epoch();
}
}
TEST_F(levin_notify, forward_with_padding)
{
std::shared_ptr<cryptonote::levin::notify> notifier_ptr = make_notifier(0, true, true);
auto &notifier = *notifier_ptr;
for (unsigned count = 0; count < 10; ++count)
add_connection(count % 2 == 0);
{
const auto status = notifier.get_status();
EXPECT_FALSE(status.has_noise);
EXPECT_FALSE(status.connections_filled);
}
notifier.new_out_connection();
io_service_.poll();
std::vector<cryptonote::blobdata> txs(2);
txs[0].resize(100, 'e');
txs[1].resize(200, 'f');
ASSERT_EQ(10u, contexts_.size());
bool has_stemmed = false;
bool has_fluffed = false;
while (!has_stemmed || !has_fluffed)
{
auto context = contexts_.begin();
EXPECT_TRUE(notifier.send_txs(txs, context->get_id(), cryptonote::relay_method::forward));
io_service_.reset();
ASSERT_LT(0u, io_service_.poll());
const bool is_stem = events_.has_stem_txes();
EXPECT_EQ(txs, events_.take_relayed(is_stem ? cryptonote::relay_method::stem : cryptonote::relay_method::fluff));
if (!is_stem)
{
notifier.run_fluff();
ASSERT_LT(0u, io_service_.poll());
}
std::size_t send_count = 0;
EXPECT_EQ(0u, context->process_send_queue());
for (++context; context != contexts_.end(); ++context)
{
const std::size_t sent = context->process_send_queue();
if (sent && is_stem)
{
EXPECT_EQ(1u, (context - contexts_.begin()) % 2);
EXPECT_FALSE(context->is_incoming());
}
send_count += sent;
}
EXPECT_EQ(is_stem ? 1u : 9u, send_count);
ASSERT_EQ(is_stem ? 1u : 9u, receiver_.notified_size());
for (unsigned count = 0; count < (is_stem ? 1u : 9u); ++count)
{
auto notification = receiver_.get_notification<cryptonote::NOTIFY_NEW_TRANSACTIONS>().second;
EXPECT_EQ(txs, notification.txs);
EXPECT_FALSE(notification._.empty());
EXPECT_EQ(!is_stem, notification.dandelionpp_fluff);
}
has_stemmed |= is_stem;
has_fluffed |= !is_stem;
notifier.run_epoch();
}
}
TEST_F(levin_notify, block_with_padding)
{
std::shared_ptr<cryptonote::levin::notify> notifier_ptr = make_notifier(0, true, true);
auto &notifier = *notifier_ptr;
for (unsigned count = 0; count < 10; ++count)
add_connection(count % 2 == 0);
{
const auto status = notifier.get_status();
EXPECT_FALSE(status.has_noise);
EXPECT_FALSE(status.connections_filled);
}
notifier.new_out_connection();
io_service_.poll();
std::vector<cryptonote::blobdata> txs(2);
txs[0].resize(100, 'e');
txs[1].resize(200, 'f');
ASSERT_EQ(10u, contexts_.size());
{
auto context = contexts_.begin();
EXPECT_FALSE(notifier.send_txs(txs, context->get_id(), cryptonote::relay_method::block));
io_service_.reset();
ASSERT_EQ(0u, io_service_.poll());
}
}
TEST_F(levin_notify, none_with_padding)
{
std::shared_ptr<cryptonote::levin::notify> notifier_ptr = make_notifier(0, true, true);
auto &notifier = *notifier_ptr;
for (unsigned count = 0; count < 10; ++count)
add_connection(count % 2 == 0);
{
const auto status = notifier.get_status();
EXPECT_FALSE(status.has_noise);
EXPECT_FALSE(status.connections_filled);
}
notifier.new_out_connection();
io_service_.poll();
std::vector<cryptonote::blobdata> txs(2);
txs[0].resize(100, 'e');
txs[1].resize(200, 'f');
ASSERT_EQ(10u, contexts_.size());
{
auto context = contexts_.begin();
EXPECT_FALSE(notifier.send_txs(txs, context->get_id(), cryptonote::relay_method::none));
io_service_.reset();
ASSERT_EQ(0u, io_service_.poll());
}
}
TEST_F(levin_notify, private_fluff_without_padding)
{
std::shared_ptr<cryptonote::levin::notify> notifier_ptr = make_notifier(0, false, false);
auto &notifier = *notifier_ptr;
for (unsigned count = 0; count < 10; ++count)
add_connection(count % 2 == 0);
{
const auto status = notifier.get_status();
EXPECT_FALSE(status.has_noise);
EXPECT_FALSE(status.connections_filled);
}
notifier.new_out_connection();
io_service_.poll();
std::vector<cryptonote::blobdata> txs(2);
txs[0].resize(100, 'e');
txs[1].resize(200, 'f');
ASSERT_EQ(10u, contexts_.size());
{
auto context = contexts_.begin();
EXPECT_TRUE(notifier.send_txs(txs, context->get_id(), cryptonote::relay_method::fluff));
io_service_.reset();
ASSERT_LT(0u, io_service_.poll());
notifier.run_fluff();
io_service_.reset();
ASSERT_LT(0u, io_service_.poll());
EXPECT_EQ(txs, events_.take_relayed(cryptonote::relay_method::fluff));
EXPECT_EQ(0u, context->process_send_queue());
for (++context; context != contexts_.end(); ++context)
{
const bool is_incoming = ((context - contexts_.begin()) % 2 == 0);
EXPECT_EQ(is_incoming ? 0u : 1u, context->process_send_queue());
}
ASSERT_EQ(5u, receiver_.notified_size());
for (unsigned count = 0; count < 5; ++count)
{
auto notification = receiver_.get_notification<cryptonote::NOTIFY_NEW_TRANSACTIONS>().second;
EXPECT_EQ(txs, notification.txs);
EXPECT_TRUE(notification._.empty());
EXPECT_TRUE(notification.dandelionpp_fluff);
}
}
}
TEST_F(levin_notify, private_stem_without_padding)
{
// private mode always uses fluff but marked as stem
std::shared_ptr<cryptonote::levin::notify> notifier_ptr = make_notifier(0, false, false);
auto &notifier = *notifier_ptr;
for (unsigned count = 0; count < 10; ++count)
add_connection(count % 2 == 0);
{
const auto status = notifier.get_status();
EXPECT_FALSE(status.has_noise);
EXPECT_FALSE(status.connections_filled);
}
notifier.new_out_connection();
io_service_.poll();
std::vector<cryptonote::blobdata> txs(2);
txs[0].resize(100, 'e');
txs[1].resize(200, 'f');
ASSERT_EQ(10u, contexts_.size());
{
auto context = contexts_.begin();
EXPECT_TRUE(notifier.send_txs(txs, context->get_id(), cryptonote::relay_method::stem));
io_service_.reset();
ASSERT_LT(0u, io_service_.poll());
notifier.run_fluff();
io_service_.reset();
ASSERT_LT(0u, io_service_.poll());
EXPECT_EQ(txs, events_.take_relayed(cryptonote::relay_method::stem));
EXPECT_EQ(0u, context->process_send_queue());
for (++context; context != contexts_.end(); ++context)
{
const bool is_incoming = ((context - contexts_.begin()) % 2 == 0);
EXPECT_EQ(is_incoming ? 0u : 1u, context->process_send_queue());
}
ASSERT_EQ(5u, receiver_.notified_size());
for (unsigned count = 0; count < 5; ++count)
{
auto notification = receiver_.get_notification<cryptonote::NOTIFY_NEW_TRANSACTIONS>().second;
EXPECT_EQ(txs, notification.txs);
EXPECT_TRUE(notification._.empty());
EXPECT_TRUE(notification.dandelionpp_fluff);
}
}
}
TEST_F(levin_notify, private_local_without_padding)
{
// private mode always uses fluff but marked as stem
std::shared_ptr<cryptonote::levin::notify> notifier_ptr = make_notifier(0, false, false);
auto &notifier = *notifier_ptr;
for (unsigned count = 0; count < 10; ++count)
add_connection(count % 2 == 0);
{
const auto status = notifier.get_status();
EXPECT_FALSE(status.has_noise);
EXPECT_FALSE(status.connections_filled);
}
notifier.new_out_connection();
io_service_.poll();
std::vector<cryptonote::blobdata> txs(2);
txs[0].resize(100, 'e');
txs[1].resize(200, 'f');
ASSERT_EQ(10u, contexts_.size());
{
auto context = contexts_.begin();
EXPECT_TRUE(notifier.send_txs(txs, context->get_id(), cryptonote::relay_method::local));
io_service_.reset();
ASSERT_LT(0u, io_service_.poll());
notifier.run_fluff();
io_service_.reset();
ASSERT_LT(0u, io_service_.poll());
EXPECT_EQ(txs, events_.take_relayed(cryptonote::relay_method::local));
EXPECT_EQ(0u, context->process_send_queue());
for (++context; context != contexts_.end(); ++context)
{
const bool is_incoming = ((context - contexts_.begin()) % 2 == 0);
EXPECT_EQ(is_incoming ? 0u : 1u, context->process_send_queue());
}
ASSERT_EQ(5u, receiver_.notified_size());
for (unsigned count = 0; count < 5; ++count)
{
auto notification = receiver_.get_notification<cryptonote::NOTIFY_NEW_TRANSACTIONS>().second;
EXPECT_EQ(txs, notification.txs);
EXPECT_TRUE(notification._.empty());
EXPECT_TRUE(notification.dandelionpp_fluff);
}
}
}
TEST_F(levin_notify, private_forward_without_padding)
{
// private mode always uses fluff but marked as stem
std::shared_ptr<cryptonote::levin::notify> notifier_ptr = make_notifier(0, false, false);
auto &notifier = *notifier_ptr;
for (unsigned count = 0; count < 10; ++count)
add_connection(count % 2 == 0);
{
const auto status = notifier.get_status();
EXPECT_FALSE(status.has_noise);
EXPECT_FALSE(status.connections_filled);
}
notifier.new_out_connection();
io_service_.poll();
std::vector<cryptonote::blobdata> txs(2);
txs[0].resize(100, 'e');
txs[1].resize(200, 'f');
ASSERT_EQ(10u, contexts_.size());
{
auto context = contexts_.begin();
EXPECT_TRUE(notifier.send_txs(txs, context->get_id(), cryptonote::relay_method::forward));
io_service_.reset();
ASSERT_LT(0u, io_service_.poll());
notifier.run_fluff();
io_service_.reset();
ASSERT_LT(0u, io_service_.poll());
EXPECT_EQ(txs, events_.take_relayed(cryptonote::relay_method::forward));
EXPECT_EQ(0u, context->process_send_queue());
for (++context; context != contexts_.end(); ++context)
{
const bool is_incoming = ((context - contexts_.begin()) % 2 == 0);
EXPECT_EQ(is_incoming ? 0u : 1u, context->process_send_queue());
}
ASSERT_EQ(5u, receiver_.notified_size());
for (unsigned count = 0; count < 5; ++count)
{
auto notification = receiver_.get_notification<cryptonote::NOTIFY_NEW_TRANSACTIONS>().second;
EXPECT_EQ(txs, notification.txs);
EXPECT_TRUE(notification._.empty());
EXPECT_TRUE(notification.dandelionpp_fluff);
}
}
}
TEST_F(levin_notify, private_block_without_padding)
{
// private mode always uses fluff but marked as stem
std::shared_ptr<cryptonote::levin::notify> notifier_ptr = make_notifier(0, false, false);
auto &notifier = *notifier_ptr;
for (unsigned count = 0; count < 10; ++count)
add_connection(count % 2 == 0);
{
const auto status = notifier.get_status();
EXPECT_FALSE(status.has_noise);
EXPECT_FALSE(status.connections_filled);
}
notifier.new_out_connection();
io_service_.poll();
std::vector<cryptonote::blobdata> txs(2);
txs[0].resize(100, 'e');
txs[1].resize(200, 'f');
ASSERT_EQ(10u, contexts_.size());
{
auto context = contexts_.begin();
EXPECT_FALSE(notifier.send_txs(txs, context->get_id(), cryptonote::relay_method::block));
io_service_.reset();
ASSERT_EQ(0u, io_service_.poll());
}
}
TEST_F(levin_notify, private_none_without_padding)
{
// private mode always uses fluff but marked as stem
std::shared_ptr<cryptonote::levin::notify> notifier_ptr = make_notifier(0, false, false);
auto &notifier = *notifier_ptr;
for (unsigned count = 0; count < 10; ++count)
add_connection(count % 2 == 0);
{
const auto status = notifier.get_status();
EXPECT_FALSE(status.has_noise);
EXPECT_FALSE(status.connections_filled);
}
notifier.new_out_connection();
io_service_.poll();
std::vector<cryptonote::blobdata> txs(2);
txs[0].resize(100, 'e');
txs[1].resize(200, 'f');
ASSERT_EQ(10u, contexts_.size());
{
auto context = contexts_.begin();
EXPECT_FALSE(notifier.send_txs(txs, context->get_id(), cryptonote::relay_method::none));
io_service_.reset();
ASSERT_EQ(0u, io_service_.poll());
}
}
TEST_F(levin_notify, private_fluff_with_padding)
{
std::shared_ptr<cryptonote::levin::notify> notifier_ptr = make_notifier(0, false, true);
auto &notifier = *notifier_ptr;
for (unsigned count = 0; count < 10; ++count)
add_connection(count % 2 == 0);
{
const auto status = notifier.get_status();
EXPECT_FALSE(status.has_noise);
EXPECT_FALSE(status.connections_filled);
}
notifier.new_out_connection();
io_service_.poll();
std::vector<cryptonote::blobdata> txs(2);
txs[0].resize(100, 'e');
txs[1].resize(200, 'f');
ASSERT_EQ(10u, contexts_.size());
{
auto context = contexts_.begin();
EXPECT_TRUE(notifier.send_txs(txs, context->get_id(), cryptonote::relay_method::fluff));
io_service_.reset();
ASSERT_LT(0u, io_service_.poll());
notifier.run_fluff();
io_service_.reset();
ASSERT_LT(0u, io_service_.poll());
EXPECT_EQ(txs, events_.take_relayed(cryptonote::relay_method::fluff));
EXPECT_EQ(0u, context->process_send_queue());
for (++context; context != contexts_.end(); ++context)
{
const bool is_incoming = ((context - contexts_.begin()) % 2 == 0);
EXPECT_EQ(is_incoming ? 0u : 1u, context->process_send_queue());
}
ASSERT_EQ(5u, receiver_.notified_size());
for (unsigned count = 0; count < 5; ++count)
{
auto notification = receiver_.get_notification<cryptonote::NOTIFY_NEW_TRANSACTIONS>().second;
EXPECT_EQ(txs, notification.txs);
EXPECT_FALSE(notification._.empty());
EXPECT_TRUE(notification.dandelionpp_fluff);
}
}
}
TEST_F(levin_notify, private_stem_with_padding)
{
std::shared_ptr<cryptonote::levin::notify> notifier_ptr = make_notifier(0, false, true);
auto &notifier = *notifier_ptr;
for (unsigned count = 0; count < 10; ++count)
add_connection(count % 2 == 0);
{
const auto status = notifier.get_status();
EXPECT_FALSE(status.has_noise);
EXPECT_FALSE(status.connections_filled);
}
notifier.new_out_connection();
io_service_.poll();
std::vector<cryptonote::blobdata> txs(2);
txs[0].resize(100, 'e');
txs[1].resize(200, 'f');
ASSERT_EQ(10u, contexts_.size());
{
auto context = contexts_.begin();
EXPECT_TRUE(notifier.send_txs(txs, context->get_id(), cryptonote::relay_method::stem));
io_service_.reset();
ASSERT_LT(0u, io_service_.poll());
notifier.run_fluff();
io_service_.reset();
ASSERT_LT(0u, io_service_.poll());
EXPECT_EQ(txs, events_.take_relayed(cryptonote::relay_method::stem));
EXPECT_EQ(0u, context->process_send_queue());
for (++context; context != contexts_.end(); ++context)
{
const bool is_incoming = ((context - contexts_.begin()) % 2 == 0);
EXPECT_EQ(is_incoming ? 0u : 1u, context->process_send_queue());
}
ASSERT_EQ(5u, receiver_.notified_size());
for (unsigned count = 0; count < 5; ++count)
{
auto notification = receiver_.get_notification<cryptonote::NOTIFY_NEW_TRANSACTIONS>().second;
EXPECT_EQ(txs, notification.txs);
EXPECT_FALSE(notification._.empty());
EXPECT_TRUE(notification.dandelionpp_fluff);
}
}
}
TEST_F(levin_notify, private_local_with_padding)
{
std::shared_ptr<cryptonote::levin::notify> notifier_ptr = make_notifier(0, false, true);
auto &notifier = *notifier_ptr;
for (unsigned count = 0; count < 10; ++count)
add_connection(count % 2 == 0);
{
const auto status = notifier.get_status();
EXPECT_FALSE(status.has_noise);
EXPECT_FALSE(status.connections_filled);
}
notifier.new_out_connection();
io_service_.poll();
std::vector<cryptonote::blobdata> txs(2);
txs[0].resize(100, 'e');
txs[1].resize(200, 'f');
ASSERT_EQ(10u, contexts_.size());
{
auto context = contexts_.begin();
EXPECT_TRUE(notifier.send_txs(txs, context->get_id(), cryptonote::relay_method::local));
io_service_.reset();
ASSERT_LT(0u, io_service_.poll());
notifier.run_fluff();
io_service_.reset();
ASSERT_LT(0u, io_service_.poll());
EXPECT_EQ(txs, events_.take_relayed(cryptonote::relay_method::local));
EXPECT_EQ(0u, context->process_send_queue());
for (++context; context != contexts_.end(); ++context)
{
const bool is_incoming = ((context - contexts_.begin()) % 2 == 0);
EXPECT_EQ(is_incoming ? 0u : 1u, context->process_send_queue());
}
ASSERT_EQ(5u, receiver_.notified_size());
for (unsigned count = 0; count < 5; ++count)
{
auto notification = receiver_.get_notification<cryptonote::NOTIFY_NEW_TRANSACTIONS>().second;
EXPECT_EQ(txs, notification.txs);
EXPECT_FALSE(notification._.empty());
EXPECT_TRUE(notification.dandelionpp_fluff);
}
}
}
TEST_F(levin_notify, private_forward_with_padding)
{
std::shared_ptr<cryptonote::levin::notify> notifier_ptr = make_notifier(0, false, true);
auto &notifier = *notifier_ptr;
for (unsigned count = 0; count < 10; ++count)
add_connection(count % 2 == 0);
{
const auto status = notifier.get_status();
EXPECT_FALSE(status.has_noise);
EXPECT_FALSE(status.connections_filled);
}
notifier.new_out_connection();
io_service_.poll();
std::vector<cryptonote::blobdata> txs(2);
txs[0].resize(100, 'e');
txs[1].resize(200, 'f');
ASSERT_EQ(10u, contexts_.size());
{
auto context = contexts_.begin();
EXPECT_TRUE(notifier.send_txs(txs, context->get_id(), cryptonote::relay_method::forward));
io_service_.reset();
ASSERT_LT(0u, io_service_.poll());
notifier.run_fluff();
io_service_.reset();
ASSERT_LT(0u, io_service_.poll());
EXPECT_EQ(txs, events_.take_relayed(cryptonote::relay_method::forward));
EXPECT_EQ(0u, context->process_send_queue());
for (++context; context != contexts_.end(); ++context)
{
const bool is_incoming = ((context - contexts_.begin()) % 2 == 0);
EXPECT_EQ(is_incoming ? 0u : 1u, context->process_send_queue());
}
ASSERT_EQ(5u, receiver_.notified_size());
for (unsigned count = 0; count < 5; ++count)
{
auto notification = receiver_.get_notification<cryptonote::NOTIFY_NEW_TRANSACTIONS>().second;
EXPECT_EQ(txs, notification.txs);
EXPECT_FALSE(notification._.empty());
EXPECT_TRUE(notification.dandelionpp_fluff);
}
}
}
TEST_F(levin_notify, private_block_with_padding)
{
std::shared_ptr<cryptonote::levin::notify> notifier_ptr = make_notifier(0, false, true);
auto &notifier = *notifier_ptr;
for (unsigned count = 0; count < 10; ++count)
add_connection(count % 2 == 0);
{
const auto status = notifier.get_status();
EXPECT_FALSE(status.has_noise);
EXPECT_FALSE(status.connections_filled);
}
notifier.new_out_connection();
io_service_.poll();
std::vector<cryptonote::blobdata> txs(2);
txs[0].resize(100, 'e');
txs[1].resize(200, 'f');
ASSERT_EQ(10u, contexts_.size());
{
auto context = contexts_.begin();
EXPECT_FALSE(notifier.send_txs(txs, context->get_id(), cryptonote::relay_method::block));
io_service_.reset();
ASSERT_EQ(0u, io_service_.poll());
}
}
TEST_F(levin_notify, private_none_with_padding)
{
std::shared_ptr<cryptonote::levin::notify> notifier_ptr = make_notifier(0, false, true);
auto &notifier = *notifier_ptr;
for (unsigned count = 0; count < 10; ++count)
add_connection(count % 2 == 0);
{
const auto status = notifier.get_status();
EXPECT_FALSE(status.has_noise);
EXPECT_FALSE(status.connections_filled);
}
notifier.new_out_connection();
io_service_.poll();
std::vector<cryptonote::blobdata> txs(2);
txs[0].resize(100, 'e');
txs[1].resize(200, 'f');
ASSERT_EQ(10u, contexts_.size());
{
auto context = contexts_.begin();
EXPECT_FALSE(notifier.send_txs(txs, context->get_id(), cryptonote::relay_method::none));
io_service_.reset();
ASSERT_EQ(0u, io_service_.poll());
}
}
TEST_F(levin_notify, stem_mappings)
{
static constexpr const unsigned test_connections_count = (CRYPTONOTE_DANDELIONPP_STEMS + 1) * 2;
std::shared_ptr<cryptonote::levin::notify> notifier_ptr = make_notifier(0, true, false);
auto &notifier = *notifier_ptr;
for (unsigned count = 0; count < test_connections_count; ++count)
add_connection(count % 2 == 0);
{
const auto status = notifier.get_status();
EXPECT_FALSE(status.has_noise);
EXPECT_FALSE(status.connections_filled);
}
notifier.new_out_connection();
io_service_.poll();
std::vector<cryptonote::blobdata> txs(2);
txs[0].resize(100, 'e');
txs[1].resize(200, 'f');
ASSERT_EQ(test_connections_count, contexts_.size());
for (;;)
{
auto context = contexts_.begin();
EXPECT_TRUE(notifier.send_txs(txs, context->get_id(), cryptonote::relay_method::stem));
io_service_.reset();
ASSERT_LT(0u, io_service_.poll());
if (events_.has_stem_txes())
break;
EXPECT_EQ(txs, events_.take_relayed(cryptonote::relay_method::fluff));
notifier.run_fluff();
io_service_.reset();
ASSERT_LT(0u, io_service_.poll());
EXPECT_EQ(0u, context->process_send_queue());
for (++context; context != contexts_.end(); ++context)
EXPECT_EQ(1u, context->process_send_queue());
ASSERT_EQ(test_connections_count - 1, receiver_.notified_size());
for (unsigned count = 0; count < test_connections_count - 1; ++count)
{
auto notification = receiver_.get_notification<cryptonote::NOTIFY_NEW_TRANSACTIONS>().second;
EXPECT_EQ(txs, notification.txs);
EXPECT_TRUE(notification._.empty());
EXPECT_TRUE(notification.dandelionpp_fluff);
}
notifier.run_epoch();
io_service_.reset();
ASSERT_LT(0u, io_service_.poll());
}
EXPECT_EQ(txs, events_.take_relayed(cryptonote::relay_method::stem));
std::set<boost::uuids::uuid> used;
std::map<boost::uuids::uuid, boost::uuids::uuid> mappings;
{
std::size_t send_count = 0;
for (auto context = contexts_.begin(); context != contexts_.end(); ++context)
{
const std::size_t sent = context->process_send_queue();
if (sent)
{
EXPECT_EQ(1u, (context - contexts_.begin()) % 2);
EXPECT_FALSE(context->is_incoming());
used.insert(context->get_id());
mappings[contexts_.front().get_id()] = context->get_id();
}
send_count += sent;
}
EXPECT_EQ(1u, send_count);
ASSERT_EQ(1u, receiver_.notified_size());
for (unsigned count = 0; count < 1u; ++count)
{
auto notification = receiver_.get_notification<cryptonote::NOTIFY_NEW_TRANSACTIONS>().second;
EXPECT_EQ(txs, notification.txs);
EXPECT_TRUE(notification._.empty());
EXPECT_FALSE(notification.dandelionpp_fluff);
}
}
for (unsigned i = 0; i < contexts_.size() * 2; i += 2)
{
auto& incoming = contexts_[i % contexts_.size()];
EXPECT_TRUE(notifier.send_txs(txs, incoming.get_id(), cryptonote::relay_method::stem));
io_service_.reset();
ASSERT_LT(0u, io_service_.poll());
EXPECT_EQ(txs, events_.take_relayed(cryptonote::relay_method::stem));
std::size_t send_count = 0;
for (auto context = contexts_.begin(); context != contexts_.end(); ++context)
{
const std::size_t sent = context->process_send_queue();
if (sent)
{
EXPECT_EQ(1u, (context - contexts_.begin()) % 2);
EXPECT_FALSE(context->is_incoming());
used.insert(context->get_id());
auto inserted = mappings.emplace(incoming.get_id(), context->get_id()).first;
EXPECT_EQ(inserted->second, context->get_id()) << "incoming index " << i;
}
send_count += sent;
}
EXPECT_EQ(1u, send_count);
ASSERT_EQ(1u, receiver_.notified_size());
for (unsigned count = 0; count < 1u; ++count)
{
auto notification = receiver_.get_notification<cryptonote::NOTIFY_NEW_TRANSACTIONS>().second;
EXPECT_EQ(txs, notification.txs);
EXPECT_TRUE(notification._.empty());
EXPECT_FALSE(notification.dandelionpp_fluff);
}
}
EXPECT_EQ(CRYPTONOTE_DANDELIONPP_STEMS, used.size());
}
TEST_F(levin_notify, fluff_multiple)
{
static constexpr const unsigned test_connections_count = (CRYPTONOTE_DANDELIONPP_STEMS + 1) * 2;
std::shared_ptr<cryptonote::levin::notify> notifier_ptr = make_notifier(0, true, false);
auto &notifier = *notifier_ptr;
for (unsigned count = 0; count < test_connections_count; ++count)
add_connection(count % 2 == 0);
{
const auto status = notifier.get_status();
EXPECT_FALSE(status.has_noise);
EXPECT_FALSE(status.connections_filled);
}
notifier.new_out_connection();
io_service_.poll();
std::vector<cryptonote::blobdata> txs(2);
txs[0].resize(100, 'e');
txs[1].resize(200, 'f');
ASSERT_EQ(test_connections_count, contexts_.size());
for (;;)
{
auto context = contexts_.begin();
EXPECT_TRUE(notifier.send_txs(txs, context->get_id(), cryptonote::relay_method::stem));
io_service_.reset();
ASSERT_LT(0u, io_service_.poll());
if (!events_.has_stem_txes())
break;
EXPECT_EQ(txs, events_.take_relayed(cryptonote::relay_method::stem));
std::size_t send_count = 0;
EXPECT_EQ(0u, context->process_send_queue());
for (++context; context != contexts_.end(); ++context)
{
const std::size_t sent = context->process_send_queue();
if (sent)
{
EXPECT_EQ(1u, (context - contexts_.begin()) % 2);
EXPECT_FALSE(context->is_incoming());
}
send_count += sent;
}
EXPECT_EQ(1u, send_count);
ASSERT_EQ(1u, receiver_.notified_size());
for (unsigned count = 0; count < 1; ++count)
{
auto notification = receiver_.get_notification<cryptonote::NOTIFY_NEW_TRANSACTIONS>().second;
EXPECT_EQ(txs, notification.txs);
EXPECT_TRUE(notification._.empty());
EXPECT_FALSE(notification.dandelionpp_fluff);
}
notifier.run_epoch();
io_service_.reset();
ASSERT_LT(0u, io_service_.poll());
}
EXPECT_EQ(txs, events_.take_relayed(cryptonote::relay_method::fluff));
notifier.run_fluff();
io_service_.reset();
ASSERT_LT(0u, io_service_.poll());
{
auto context = contexts_.begin();
EXPECT_EQ(0u, context->process_send_queue());
for (++context; context != contexts_.end(); ++context)
EXPECT_EQ(1u, context->process_send_queue());
ASSERT_EQ(contexts_.size() - 1, receiver_.notified_size());
for (unsigned count = 0; count < contexts_.size() - 1; ++count)
{
auto notification = receiver_.get_notification<cryptonote::NOTIFY_NEW_TRANSACTIONS>().second;
EXPECT_EQ(txs, notification.txs);
EXPECT_TRUE(notification._.empty());
EXPECT_TRUE(notification.dandelionpp_fluff);
}
}
for (unsigned i = 0; i < contexts_.size() * 2; i += 2)
{
auto& incoming = contexts_[i % contexts_.size()];
EXPECT_TRUE(notifier.send_txs(txs, incoming.get_id(), cryptonote::relay_method::stem));
io_service_.reset();
ASSERT_LT(0u, io_service_.poll());
notifier.run_fluff();
io_service_.reset();
ASSERT_LT(0u, io_service_.poll());
EXPECT_EQ(txs, events_.take_relayed(cryptonote::relay_method::fluff));
for (auto& context : contexts_)
{
if (std::addressof(incoming) == std::addressof(context))
EXPECT_EQ(0u, context.process_send_queue());
else
EXPECT_EQ(1u, context.process_send_queue());
}
ASSERT_EQ(contexts_.size() - 1, receiver_.notified_size());
for (unsigned count = 0; count < contexts_.size() - 1; ++count)
{
auto notification = receiver_.get_notification<cryptonote::NOTIFY_NEW_TRANSACTIONS>().second;
EXPECT_EQ(txs, notification.txs);
EXPECT_TRUE(notification._.empty());
EXPECT_TRUE(notification.dandelionpp_fluff);
}
}
}
TEST_F(levin_notify, noise)
{
for (unsigned count = 0; count < 10; ++count)
add_connection(count % 2 == 0);
std::vector<cryptonote::blobdata> txs(1);
txs[0].resize(1900, 'h');
const boost::uuids::uuid incoming_id = random_generator_();
std::shared_ptr<cryptonote::levin::notify> notifier_ptr = make_notifier(2048, false, true);
auto &notifier = *notifier_ptr;
{
const auto status = notifier.get_status();
EXPECT_TRUE(status.has_noise);
EXPECT_FALSE(status.connections_filled);
}
ASSERT_LT(0u, io_service_.poll());
{
const auto status = notifier.get_status();
EXPECT_TRUE(status.has_noise);
EXPECT_TRUE(status.connections_filled);
}
notifier.run_stems();
io_service_.reset();
ASSERT_LT(0u, io_service_.poll());
{
std::size_t sent = 0;
for (auto& context : contexts_)
sent += context.process_send_queue();
EXPECT_EQ(2u, sent);
EXPECT_EQ(0u, receiver_.notified_size());
}
EXPECT_TRUE(notifier.send_txs(txs, incoming_id, cryptonote::relay_method::local));
notifier.run_stems();
io_service_.reset();
ASSERT_LT(0u, io_service_.poll());
EXPECT_EQ(txs, events_.take_relayed(cryptonote::relay_method::local));
{
std::size_t sent = 0;
for (auto& context : contexts_)
sent += context.process_send_queue();
ASSERT_EQ(2u, sent);
while (sent--)
{
auto notification = receiver_.get_notification<cryptonote::NOTIFY_NEW_TRANSACTIONS>().second;
EXPECT_EQ(txs, notification.txs);
EXPECT_TRUE(notification._.empty());
EXPECT_FALSE(notification.dandelionpp_fluff);
}
}
txs[0].resize(3000, 'r');
EXPECT_TRUE(notifier.send_txs(txs, incoming_id, cryptonote::relay_method::fluff));
notifier.run_stems();
io_service_.reset();
ASSERT_LT(0u, io_service_.poll());
EXPECT_EQ(txs, events_.take_relayed(cryptonote::relay_method::fluff));
{
std::size_t sent = 0;
for (auto& context : contexts_)
sent += context.process_send_queue();
EXPECT_EQ(2u, sent);
EXPECT_EQ(0u, receiver_.notified_size());
}
notifier.run_stems();
io_service_.reset();
ASSERT_LT(0u, io_service_.poll());
{
std::size_t sent = 0;
for (auto& context : contexts_)
sent += context.process_send_queue();
ASSERT_EQ(2u, sent);
while (sent--)
{
auto notification = receiver_.get_notification<cryptonote::NOTIFY_NEW_TRANSACTIONS>().second;
EXPECT_EQ(txs, notification.txs);
EXPECT_TRUE(notification._.empty());
EXPECT_FALSE(notification.dandelionpp_fluff);
}
}
}
TEST_F(levin_notify, noise_stem)
{
for (unsigned count = 0; count < 10; ++count)
add_connection(count % 2 == 0);
std::vector<cryptonote::blobdata> txs(1);
txs[0].resize(1900, 'h');
const boost::uuids::uuid incoming_id = random_generator_();
std::shared_ptr<cryptonote::levin::notify> notifier_ptr = make_notifier(2048, false, true);
auto &notifier = *notifier_ptr;
{
const auto status = notifier.get_status();
EXPECT_TRUE(status.has_noise);
EXPECT_FALSE(status.connections_filled);
}
ASSERT_LT(0u, io_service_.poll());
{
const auto status = notifier.get_status();
EXPECT_TRUE(status.has_noise);
EXPECT_TRUE(status.connections_filled);
}
notifier.run_stems();
io_service_.reset();
ASSERT_LT(0u, io_service_.poll());
{
std::size_t sent = 0;
for (auto& context : contexts_)
sent += context.process_send_queue();
EXPECT_EQ(2u, sent);
EXPECT_EQ(0u, receiver_.notified_size());
}
EXPECT_TRUE(notifier.send_txs(txs, incoming_id, cryptonote::relay_method::stem));
notifier.run_stems();
io_service_.reset();
ASSERT_LT(0u, io_service_.poll());
// downgraded to local when being notified
EXPECT_EQ(txs, events_.take_relayed(cryptonote::relay_method::local));
{
std::size_t sent = 0;
for (auto& context : contexts_)
sent += context.process_send_queue();
ASSERT_EQ(2u, sent);
while (sent--)
{
auto notification = receiver_.get_notification<cryptonote::NOTIFY_NEW_TRANSACTIONS>().second;
EXPECT_EQ(txs, notification.txs);
EXPECT_TRUE(notification._.empty());
EXPECT_FALSE(notification.dandelionpp_fluff);
}
}
}
TEST_F(levin_notify, command_max_bytes)
{
static constexpr int ping_command = nodetool::COMMAND_PING::ID;
add_connection(true);
std::string bytes(4096, 'h');
EXPECT_EQ(1, get_connections().notify(ping_command, epee::strspan<std::uint8_t>(bytes), contexts_.front().get_id()));
EXPECT_EQ(1u, contexts_.front().process_send_queue(true));
EXPECT_EQ(1u, receiver_.notified_size());
const received_message msg = receiver_.get_raw_notification();
EXPECT_EQ(ping_command, msg.command);
EXPECT_EQ(contexts_.front().get_id(), msg.connection);
EXPECT_EQ(bytes, msg.payload);
bytes.push_back('e');
EXPECT_EQ(1, get_connections().notify(ping_command, epee::strspan<std::uint8_t>(bytes), contexts_.front().get_id()));
EXPECT_EQ(1u, contexts_.front().process_send_queue(false));
EXPECT_EQ(0u, receiver_.notified_size());
}
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