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monero/tests/unit_tests/ban.cpp
moneromooo-monero b750fb27b0
Pruning 
The blockchain prunes seven eighths of prunable tx data.
This saves about two thirds of the blockchain size, while
keeping the node useful as a sync source for an eighth
of the blockchain.

No other data is currently pruned.

There are three ways to prune a blockchain:

- run monerod with --prune-blockchain
- run "prune_blockchain" in the monerod console
- run the monero-blockchain-prune utility

The first two will prune in place. Due to how LMDB works, this
will not reduce the blockchain size on disk. Instead, it will
mark parts of the file as free, so that future data will use
that free space, causing the file to not grow until free space
grows scarce.

The third way will create a second database, a pruned copy of
the original one. Since this is a new file, this one will be
smaller than the original one.

Once the database is pruned, it will stay pruned as it syncs.
That is, there is no need to use --prune-blockchain again, etc.
2019-01-22 20:30:51 +00:00

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// Copyright (c) 2014-2018, 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.
//
// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers
#include "gtest/gtest.h"
#include "cryptonote_core/cryptonote_core.h"
#include "p2p/net_node.h"
#include "p2p/net_node.inl"
#include "cryptonote_protocol/cryptonote_protocol_handler.h"
#include "cryptonote_protocol/cryptonote_protocol_handler.inl"
#define MAKE_IPV4_ADDRESS(a,b,c,d) epee::net_utils::ipv4_network_address{MAKE_IP(a,b,c,d),0}
namespace cryptonote {
class blockchain_storage;
}
class test_core
{
public:
void on_synchronized(){}
void safesyncmode(const bool){}
uint64_t get_current_blockchain_height() const {return 1;}
void set_target_blockchain_height(uint64_t) {}
bool init(const boost::program_options::variables_map& vm) {return true ;}
bool deinit(){return true;}
bool get_short_chain_history(std::list<crypto::hash>& ids) const { return true; }
bool get_stat_info(cryptonote::core_stat_info& st_inf) const {return true;}
bool have_block(const crypto::hash& id) const {return true;}
void get_blockchain_top(uint64_t& height, crypto::hash& top_id)const{height=0;top_id=crypto::null_hash;}
bool handle_incoming_tx(const cryptonote::blobdata& tx_blob, cryptonote::tx_verification_context& tvc, bool keeped_by_block, bool relayed, bool do_not_relay) { return true; }
bool handle_incoming_txs(const std::vector<cryptonote::blobdata>& tx_blob, std::vector<cryptonote::tx_verification_context>& tvc, bool keeped_by_block, bool relayed, bool do_not_relay) { return true; }
bool handle_incoming_block(const cryptonote::blobdata& block_blob, cryptonote::block_verification_context& bvc, bool update_miner_blocktemplate = true) { return true; }
void pause_mine(){}
void resume_mine(){}
bool on_idle(){return true;}
bool find_blockchain_supplement(const std::list<crypto::hash>& qblock_ids, cryptonote::NOTIFY_RESPONSE_CHAIN_ENTRY::request& resp){return true;}
bool handle_get_objects(cryptonote::NOTIFY_REQUEST_GET_OBJECTS::request& arg, cryptonote::NOTIFY_RESPONSE_GET_OBJECTS::request& rsp, cryptonote::cryptonote_connection_context& context){return true;}
cryptonote::blockchain_storage &get_blockchain_storage() { throw std::runtime_error("Called invalid member function: please never call get_blockchain_storage on the TESTING class test_core."); }
bool get_test_drop_download() const {return true;}
bool get_test_drop_download_height() const {return true;}
bool prepare_handle_incoming_blocks(const std::vector<cryptonote::block_complete_entry> &blocks) { return true; }
bool cleanup_handle_incoming_blocks(bool force_sync = false) { return true; }
uint64_t get_target_blockchain_height() const { return 1; }
size_t get_block_sync_size(uint64_t height) const { return BLOCKS_SYNCHRONIZING_DEFAULT_COUNT; }
virtual void on_transaction_relayed(const cryptonote::blobdata& tx) {}
cryptonote::network_type get_nettype() const { return cryptonote::MAINNET; }
bool get_pool_transaction(const crypto::hash& id, cryptonote::blobdata& tx_blob) const { return false; }
bool pool_has_tx(const crypto::hash &txid) const { return false; }
bool get_blocks(uint64_t start_offset, size_t count, std::vector<std::pair<cryptonote::blobdata, cryptonote::block>>& blocks, std::vector<cryptonote::blobdata>& txs) const { return false; }
bool get_transactions(const std::vector<crypto::hash>& txs_ids, std::vector<cryptonote::transaction>& txs, std::vector<crypto::hash>& missed_txs) const { return false; }
bool get_block_by_hash(const crypto::hash &h, cryptonote::block &blk, bool *orphan = NULL) const { return false; }
uint8_t get_ideal_hard_fork_version() const { return 0; }
uint8_t get_ideal_hard_fork_version(uint64_t height) const { return 0; }
uint8_t get_hard_fork_version(uint64_t height) const { return 0; }
uint64_t get_earliest_ideal_height_for_version(uint8_t version) const { return 0; }
cryptonote::difficulty_type get_block_cumulative_difficulty(uint64_t height) const { return 0; }
bool fluffy_blocks_enabled() const { return false; }
uint64_t prevalidate_block_hashes(uint64_t height, const std::vector<crypto::hash> &hashes) { return 0; }
bool pad_transactions() { return false; }
uint32_t get_blockchain_pruning_seed() const { return 0; }
bool prune_blockchain(uint32_t pruning_seed = 0) { return true; }
void stop() {}
};
typedef nodetool::node_server<cryptonote::t_cryptonote_protocol_handler<test_core>> Server;
static bool is_blocked(Server &server, const epee::net_utils::network_address &address, time_t *t = NULL)
{
const std::string host = address.host_str();
std::map<std::string, time_t> hosts = server.get_blocked_hosts();
for (auto rec: hosts)
{
if (rec.first == host)
{
if (t)
*t = rec.second;
return true;
}
}
return false;
}
TEST(ban, add)
{
test_core pr_core;
cryptonote::t_cryptonote_protocol_handler<test_core> cprotocol(pr_core, NULL);
Server server(cprotocol);
cprotocol.set_p2p_endpoint(&server);
// starts empty
ASSERT_TRUE(server.get_blocked_hosts().empty());
ASSERT_FALSE(is_blocked(server,MAKE_IPV4_ADDRESS(1,2,3,4)));
ASSERT_FALSE(is_blocked(server,MAKE_IPV4_ADDRESS(1,2,3,5)));
// add an IP
ASSERT_TRUE(server.block_host(MAKE_IPV4_ADDRESS(1,2,3,4)));
ASSERT_TRUE(server.get_blocked_hosts().size() == 1);
ASSERT_TRUE(is_blocked(server,MAKE_IPV4_ADDRESS(1,2,3,4)));
ASSERT_FALSE(is_blocked(server,MAKE_IPV4_ADDRESS(1,2,3,5)));
// add the same, should not change
ASSERT_TRUE(server.block_host(MAKE_IPV4_ADDRESS(1,2,3,4)));
ASSERT_TRUE(server.get_blocked_hosts().size() == 1);
ASSERT_TRUE(is_blocked(server,MAKE_IPV4_ADDRESS(1,2,3,4)));
ASSERT_FALSE(is_blocked(server,MAKE_IPV4_ADDRESS(1,2,3,5)));
// remove an unblocked IP, should not change
ASSERT_FALSE(server.unblock_host(MAKE_IPV4_ADDRESS(1,2,3,5)));
ASSERT_TRUE(server.get_blocked_hosts().size() == 1);
ASSERT_TRUE(is_blocked(server,MAKE_IPV4_ADDRESS(1,2,3,4)));
ASSERT_FALSE(is_blocked(server,MAKE_IPV4_ADDRESS(1,2,3,5)));
// remove the IP, ends up empty
ASSERT_TRUE(server.unblock_host(MAKE_IPV4_ADDRESS(1,2,3,4)));
ASSERT_TRUE(server.get_blocked_hosts().size() == 0);
ASSERT_FALSE(is_blocked(server,MAKE_IPV4_ADDRESS(1,2,3,4)));
ASSERT_FALSE(is_blocked(server,MAKE_IPV4_ADDRESS(1,2,3,5)));
// remove the IP from an empty list, still empty
ASSERT_FALSE(server.unblock_host(MAKE_IPV4_ADDRESS(1,2,3,4)));
ASSERT_TRUE(server.get_blocked_hosts().size() == 0);
ASSERT_FALSE(is_blocked(server,MAKE_IPV4_ADDRESS(1,2,3,4)));
ASSERT_FALSE(is_blocked(server,MAKE_IPV4_ADDRESS(1,2,3,5)));
// add two for known amounts of time, they're both blocked
ASSERT_TRUE(server.block_host(MAKE_IPV4_ADDRESS(1,2,3,4), 1));
ASSERT_TRUE(server.block_host(MAKE_IPV4_ADDRESS(1,2,3,5), 3));
ASSERT_TRUE(server.get_blocked_hosts().size() == 2);
ASSERT_TRUE(is_blocked(server,MAKE_IPV4_ADDRESS(1,2,3,4)));
ASSERT_TRUE(is_blocked(server,MAKE_IPV4_ADDRESS(1,2,3,5)));
ASSERT_TRUE(server.unblock_host(MAKE_IPV4_ADDRESS(1,2,3,4)));
ASSERT_TRUE(server.unblock_host(MAKE_IPV4_ADDRESS(1,2,3,5)));
// these tests would need to call is_remote_ip_allowed, which is private
#if 0
// after two seconds, the first IP is unblocked, but not the second yet
sleep(2);
ASSERT_TRUE(server.get_blocked_hosts().size() == 1);
ASSERT_FALSE(is_blocked(server,MAKE_IPV4_ADDRESS(1,2,3,4)));
ASSERT_TRUE(is_blocked(server,MAKE_IPV4_ADDRESS(1,2,3,5)));
// after two more seconds, the second IP is also unblocked
sleep(2);
ASSERT_TRUE(server.get_blocked_hosts().size() == 0);
ASSERT_FALSE(is_blocked(server,MAKE_IPV4_ADDRESS(1,2,3,4)));
ASSERT_FALSE(is_blocked(server,MAKE_IPV4_ADDRESS(1,2,3,5)));
#endif
// add an IP again, then re-ban for longer, then shorter
time_t t;
ASSERT_TRUE(server.block_host(MAKE_IPV4_ADDRESS(1,2,3,4), 2));
ASSERT_TRUE(server.get_blocked_hosts().size() == 1);
ASSERT_TRUE(is_blocked(server,MAKE_IPV4_ADDRESS(1,2,3,4), &t));
ASSERT_FALSE(is_blocked(server,MAKE_IPV4_ADDRESS(1,2,3,5)));
ASSERT_TRUE(t >= 1);
ASSERT_TRUE(server.block_host(MAKE_IPV4_ADDRESS(1,2,3,4), 9));
ASSERT_TRUE(server.get_blocked_hosts().size() == 1);
ASSERT_TRUE(is_blocked(server,MAKE_IPV4_ADDRESS(1,2,3,4), &t));
ASSERT_FALSE(is_blocked(server,MAKE_IPV4_ADDRESS(1,2,3,5)));
ASSERT_TRUE(t >= 8);
ASSERT_TRUE(server.block_host(MAKE_IPV4_ADDRESS(1,2,3,4), 5));
ASSERT_TRUE(server.get_blocked_hosts().size() == 1);
ASSERT_TRUE(is_blocked(server,MAKE_IPV4_ADDRESS(1,2,3,4), &t));
ASSERT_FALSE(is_blocked(server,MAKE_IPV4_ADDRESS(1,2,3,5)));
ASSERT_TRUE(t >= 4);
}
namespace nodetool { template class node_server<cryptonote::t_cryptonote_protocol_handler<test_core>>; }
namespace cryptonote { template class t_cryptonote_protocol_handler<test_core>; }
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