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protocol: remove hop count on block propagation

Browse source 
It is unused, as it was apparently a future optimization,
and it leaks some information (though since pools publish
thei blocks they find, that amount seems small).
This commit is contained in:
moneromooo-monero 2017-09-17 10:26:12 +01:00
parent 7abdba0a5c
commit 7f2f6ee1c9
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GPG key ID: 686F07454D6CEFC3
4 changed files with 2 additions and 16 deletions
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1
src/cryptonote_config.h
View file

@ -91,7 +91,6 @@
#define BLOCKS_IDS_SYNCHRONIZING_DEFAULT_COUNT 10000 //by default, blocks ids count in synchronizing
#define BLOCKS_SYNCHRONIZING_DEFAULT_COUNT_PRE_V4 100 //by default, blocks count in blocks downloading
#define BLOCKS_SYNCHRONIZING_DEFAULT_COUNT 20 //by default, blocks count in blocks downloading
#define CRYPTONOTE_PROTOCOL_HOP_RELAX_COUNT 3 //value of hop, after which we use only announce of new block
#define CRYPTONOTE_MEMPOOL_TX_LIVETIME 86400 //seconds, one day
#define CRYPTONOTE_MEMPOOL_TX_FROM_ALT_BLOCK_LIVETIME 604800 //seconds, one week

1
src/cryptonote_core/cryptonote_core.cpp
View file

@ -1035,7 +1035,6 @@ namespace cryptonote
{
cryptonote_connection_context exclude_context = boost::value_initialized<cryptonote_connection_context>();
NOTIFY_NEW_BLOCK::request arg = AUTO_VAL_INIT(arg);
arg.hop = 0;
arg.current_blockchain_height = m_blockchain_storage.get_current_blockchain_height();
std::list<crypto::hash> missed_txs;
std::list<cryptonote::blobdata> txs;

6
src/cryptonote_protocol/cryptonote_protocol_defs.h
View file

@ -128,12 +128,10 @@ namespace cryptonote
{
block_complete_entry b;
uint64_t current_blockchain_height;
uint32_t hop;
BEGIN_KV_SERIALIZE_MAP()
KV_SERIALIZE(b)
KV_SERIALIZE(current_blockchain_height)
KV_SERIALIZE(hop)
END_KV_SERIALIZE_MAP()
};
};
@ -254,12 +252,10 @@ namespace cryptonote
{
block_complete_entry b;
uint64_t current_blockchain_height;
uint32_t hop;
BEGIN_KV_SERIALIZE_MAP()
KV_SERIALIZE(b)
KV_SERIALIZE(current_blockchain_height)
KV_SERIALIZE(hop)
END_KV_SERIALIZE_MAP()
};
};
@ -276,13 +272,11 @@ namespace cryptonote
crypto::hash block_hash;
uint64_t current_blockchain_height;
std::vector<size_t> missing_tx_indices;
uint32_t hop;
BEGIN_KV_SERIALIZE_MAP()
KV_SERIALIZE_VAL_POD_AS_BLOB(block_hash)
KV_SERIALIZE(current_blockchain_height)
KV_SERIALIZE_CONTAINER_POD_AS_BLOB(missing_tx_indices)
KV_SERIALIZE(hop)
END_KV_SERIALIZE_MAP()
};
};

10
src/cryptonote_protocol/cryptonote_protocol_handler.inl
View file

@ -336,7 +336,7 @@ namespace cryptonote
template<class t_core>
int t_cryptonote_protocol_handler<t_core>::handle_notify_new_block(int command, NOTIFY_NEW_BLOCK::request& arg, cryptonote_connection_context& context)
{
MLOG_P2P_MESSAGE("Received NOTIFY_NEW_BLOCK (hop " << arg.hop << ", " << arg.b.txs.size() << " txes)");
MLOG_P2P_MESSAGE("Received NOTIFY_NEW_BLOCK (" << arg.b.txs.size() << " txes)");
if(context.m_state != cryptonote_connection_context::state_normal)
return 1;
if(!is_synchronized()) // can happen if a peer connection goes to normal but another thread still hasn't finished adding queued blocks
@ -379,7 +379,6 @@ namespace cryptonote
}
if(bvc.m_added_to_main_chain)
{
++arg.hop;
//TODO: Add here announce protocol usage
relay_block(arg, context);
}else if(bvc.m_marked_as_orphaned)
@ -397,7 +396,7 @@ namespace cryptonote
template<class t_core>
int t_cryptonote_protocol_handler<t_core>::handle_notify_new_fluffy_block(int command, NOTIFY_NEW_FLUFFY_BLOCK::request& arg, cryptonote_connection_context& context)
{
MLOG_P2P_MESSAGE("Received NOTIFY_NEW_FLUFFY_BLOCK (height " << arg.current_blockchain_height << ", hop " << arg.hop << ", " << arg.b.txs.size() << " txes)");
MLOG_P2P_MESSAGE("Received NOTIFY_NEW_FLUFFY_BLOCK (height " << arg.current_blockchain_height << ", " << arg.b.txs.size() << " txes)");
if(context.m_state != cryptonote_connection_context::state_normal)
return 1;
if(!is_synchronized()) // can happen if a peer connection goes to normal but another thread still hasn't finished adding queued blocks
@ -607,7 +606,6 @@ namespace cryptonote
MDEBUG(" tx " << new_block.tx_hashes[txidx]);
NOTIFY_REQUEST_FLUFFY_MISSING_TX::request missing_tx_req;
missing_tx_req.block_hash = get_block_hash(new_block);
missing_tx_req.hop = arg.hop;
missing_tx_req.current_blockchain_height = arg.current_blockchain_height;
missing_tx_req.missing_tx_indices = std::move(need_tx_indices);
@ -644,10 +642,8 @@ namespace cryptonote
}
if( bvc.m_added_to_main_chain )
{
++arg.hop;
//TODO: Add here announce protocol usage
NOTIFY_NEW_BLOCK::request reg_arg = AUTO_VAL_INIT(reg_arg);
reg_arg.hop = arg.hop;
reg_arg.current_blockchain_height = arg.current_blockchain_height;
reg_arg.b = b;
relay_block(reg_arg, context);
@ -700,7 +696,6 @@ namespace cryptonote
NOTIFY_NEW_FLUFFY_BLOCK::request fluffy_response;
fluffy_response.b.block = t_serializable_object_to_blob(b);
fluffy_response.current_blockchain_height = arg.current_blockchain_height;
fluffy_response.hop = arg.hop;
for(auto& tx_idx: arg.missing_tx_indices)
{
if(tx_idx < b.tx_hashes.size())
@ -1605,7 +1600,6 @@ skip:
bool t_cryptonote_protocol_handler<t_core>::relay_block(NOTIFY_NEW_BLOCK::request& arg, cryptonote_connection_context& exclude_context)
{
NOTIFY_NEW_FLUFFY_BLOCK::request fluffy_arg = AUTO_VAL_INIT(fluffy_arg);
fluffy_arg.hop = arg.hop;
fluffy_arg.current_blockchain_height = arg.current_blockchain_height;
std::list<blobdata> fluffy_txs;
fluffy_arg.b = arg.b;