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Add randomized delay when forwarding txes from i2p/tor -> ipv4/6

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This commit is contained in:
Lee Clagett 2019-11-17 17:54:37 +00:00
parent 378cdeaeae
commit 67ade80055
9 changed files with 368 additions and 40 deletions
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254
tests/unit_tests/levin.cpp
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@ -676,6 +676,76 @@ TEST_F(levin_notify, local_without_padding)
}
}
TEST_F(levin_notify, forward_without_padding)
{
cryptonote::levin::notify notifier = make_notifier(0, true, false);
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(), events_, 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)
{
cryptonote::levin::notify notifier = make_notifier(0, true, false);
@ -914,6 +984,73 @@ TEST_F(levin_notify, local_with_padding)
}
}
TEST_F(levin_notify, forward_with_padding)
{
cryptonote::levin::notify notifier = make_notifier(0, true, true);
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(), events_, 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)
{
cryptonote::levin::notify notifier = make_notifier(0, true, true);
@ -1017,7 +1154,7 @@ TEST_F(levin_notify, private_fluff_without_padding)
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_TRUE(notification.dandelionpp_fluff);
}
}
}
@ -1053,7 +1190,7 @@ TEST_F(levin_notify, private_stem_without_padding)
io_service_.reset();
ASSERT_LT(0u, io_service_.poll());
EXPECT_EQ(txs, events_.take_relayed(cryptonote::relay_method::fluff));
EXPECT_EQ(txs, events_.take_relayed(cryptonote::relay_method::stem));
EXPECT_EQ(0u, context->process_send_queue());
for (++context; context != contexts_.end(); ++context)
@ -1068,7 +1205,7 @@ TEST_F(levin_notify, private_stem_without_padding)
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_TRUE(notification.dandelionpp_fluff);
}
}
}
@ -1119,7 +1256,58 @@ TEST_F(levin_notify, private_local_without_padding)
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_TRUE(notification.dandelionpp_fluff);
}
}
}
TEST_F(levin_notify, private_forward_without_padding)
{
// private mode always uses fluff but marked as stem
cryptonote::levin::notify notifier = make_notifier(0, false, false);
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(), events_, 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);
}
}
}
@ -1229,7 +1417,7 @@ TEST_F(levin_notify, private_fluff_with_padding)
auto notification = receiver_.get_notification<cryptonote::NOTIFY_NEW_TRANSACTIONS>().second;
EXPECT_EQ(txs, notification.txs);
EXPECT_FALSE(notification._.empty());
EXPECT_FALSE(notification.dandelionpp_fluff);
EXPECT_TRUE(notification.dandelionpp_fluff);
}
}
}
@ -1264,7 +1452,7 @@ TEST_F(levin_notify, private_stem_with_padding)
io_service_.reset();
ASSERT_LT(0u, io_service_.poll());
EXPECT_EQ(txs, events_.take_relayed(cryptonote::relay_method::fluff));
EXPECT_EQ(txs, events_.take_relayed(cryptonote::relay_method::stem));
EXPECT_EQ(0u, context->process_send_queue());
for (++context; context != contexts_.end(); ++context)
@ -1279,7 +1467,7 @@ TEST_F(levin_notify, private_stem_with_padding)
auto notification = receiver_.get_notification<cryptonote::NOTIFY_NEW_TRANSACTIONS>().second;
EXPECT_EQ(txs, notification.txs);
EXPECT_FALSE(notification._.empty());
EXPECT_FALSE(notification.dandelionpp_fluff);
EXPECT_TRUE(notification.dandelionpp_fluff);
}
}
}
@ -1329,7 +1517,57 @@ TEST_F(levin_notify, private_local_with_padding)
auto notification = receiver_.get_notification<cryptonote::NOTIFY_NEW_TRANSACTIONS>().second;
EXPECT_EQ(txs, notification.txs);
EXPECT_FALSE(notification._.empty());
EXPECT_FALSE(notification.dandelionpp_fluff);
EXPECT_TRUE(notification.dandelionpp_fluff);
}
}
}
TEST_F(levin_notify, private_forward_with_padding)
{
cryptonote::levin::notify notifier = make_notifier(0, false, true);
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(), events_, 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);
}
}
}