fix do_not_relay not preventing relaying on a timer

Also print its value when printing pool
This commit is contained in:
moneromooo-monero 2017-01-14 13:01:21 +00:00
parent 2806842200
commit 81c384e408
No known key found for this signature in database
GPG Key ID: 686F07454D6CEFC3
13 changed files with 56 additions and 39 deletions

View File

@ -508,7 +508,7 @@ block Blockchain::pop_block_from_blockchain()
// that might not be always true. Unlikely though, and always relaying
// these again might cause a spike of traffic as many nodes re-relay
// all the transactions in a popped block when a reorg happens.
bool r = m_tx_pool.add_tx(tx, tvc, true, true, version);
bool r = m_tx_pool.add_tx(tx, tvc, true, true, false, version);
if (!r)
{
LOG_ERROR("Error returning transaction to tx_pool");
@ -2973,7 +2973,7 @@ void Blockchain::return_tx_to_pool(const std::vector<transaction> &txs)
// that might not be always true. Unlikely though, and always relaying
// these again might cause a spike of traffic as many nodes re-relay
// all the transactions in a popped block when a reorg happens.
if (!m_tx_pool.add_tx(tx, tvc, true, true, version))
if (!m_tx_pool.add_tx(tx, tvc, true, true, false, version))
{
LOG_PRINT_L0("Failed to return taken transaction with hash: " << get_transaction_hash(tx) << " to tx_pool");
}
@ -2990,9 +2990,9 @@ bool Blockchain::flush_txes_from_pool(const std::list<crypto::hash> &txids)
cryptonote::transaction tx;
size_t blob_size;
uint64_t fee;
bool relayed;
bool relayed, do_not_relay;
LOG_PRINT_L1("Removing txid " << txid << " from the pool");
if(m_tx_pool.have_tx(txid) && !m_tx_pool.take_tx(txid, tx, blob_size, fee, relayed))
if(m_tx_pool.have_tx(txid) && !m_tx_pool.take_tx(txid, tx, blob_size, fee, relayed, do_not_relay))
{
LOG_PRINT_L0("Failed to remove txid " << txid << " from the pool");
res = false;
@ -3153,7 +3153,7 @@ leave:
transaction tx;
size_t blob_size = 0;
uint64_t fee = 0;
bool relayed = false;
bool relayed = false, do_not_relay = false;
TIME_MEASURE_START(aa);
// XXX old code does not check whether tx exists
@ -3170,7 +3170,7 @@ leave:
TIME_MEASURE_START(bb);
// get transaction with hash <tx_id> from tx_pool
if(!m_tx_pool.take_tx(tx_id, tx, blob_size, fee, relayed))
if(!m_tx_pool.take_tx(tx_id, tx, blob_size, fee, relayed, do_not_relay))
{
LOG_PRINT_L1("Block with id: " << id << " has at least one unknown transaction with id: " << tx_id);
bvc.m_verifivation_failed = true;
@ -3954,12 +3954,12 @@ void Blockchain::load_compiled_in_block_hashes()
size_t blob_size;
uint64_t fee;
bool relayed;
bool relayed, do_not_relay;
transaction pool_tx;
for(const transaction &tx : txs)
{
crypto::hash tx_hash = get_transaction_hash(tx);
m_tx_pool.take_tx(tx_hash, pool_tx, blob_size, fee, relayed);
m_tx_pool.take_tx(tx_hash, pool_tx, blob_size, fee, relayed, do_not_relay);
}
}
}

View File

@ -452,7 +452,7 @@ namespace cryptonote
return false;
}
//-----------------------------------------------------------------------------------------------
bool core::handle_incoming_tx(const blobdata& tx_blob, tx_verification_context& tvc, bool keeped_by_block, bool relayed)
bool core::handle_incoming_tx(const blobdata& tx_blob, tx_verification_context& tvc, bool keeped_by_block, bool relayed, bool do_not_relay)
{
tvc = boost::value_initialized<tx_verification_context>();
//want to process all transactions sequentially
@ -501,7 +501,7 @@ namespace cryptonote
return false;
}
bool r = add_new_tx(tx, tx_hash, tx_prefixt_hash, tx_blob.size(), tvc, keeped_by_block, relayed);
bool r = add_new_tx(tx, tx_hash, tx_prefixt_hash, tx_blob.size(), tvc, keeped_by_block, relayed, do_not_relay);
if(tvc.m_verifivation_failed)
{LOG_PRINT_RED_L1("Transaction verification failed: " << tx_hash);}
else if(tvc.m_verifivation_impossible)
@ -640,13 +640,13 @@ namespace cryptonote
return true;
}
//-----------------------------------------------------------------------------------------------
bool core::add_new_tx(const transaction& tx, tx_verification_context& tvc, bool keeped_by_block, bool relayed)
bool core::add_new_tx(const transaction& tx, tx_verification_context& tvc, bool keeped_by_block, bool relayed, bool do_not_relay)
{
crypto::hash tx_hash = get_transaction_hash(tx);
crypto::hash tx_prefix_hash = get_transaction_prefix_hash(tx);
blobdata bl;
t_serializable_object_to_blob(tx, bl);
return add_new_tx(tx, tx_hash, tx_prefix_hash, bl.size(), tvc, keeped_by_block, relayed);
return add_new_tx(tx, tx_hash, tx_prefix_hash, bl.size(), tvc, keeped_by_block, relayed, do_not_relay);
}
//-----------------------------------------------------------------------------------------------
size_t core::get_blockchain_total_transactions() const
@ -654,7 +654,7 @@ namespace cryptonote
return m_blockchain_storage.get_total_transactions();
}
//-----------------------------------------------------------------------------------------------
bool core::add_new_tx(const transaction& tx, const crypto::hash& tx_hash, const crypto::hash& tx_prefix_hash, size_t blob_size, tx_verification_context& tvc, bool keeped_by_block, bool relayed)
bool core::add_new_tx(const transaction& tx, const crypto::hash& tx_hash, const crypto::hash& tx_prefix_hash, size_t blob_size, tx_verification_context& tvc, bool keeped_by_block, bool relayed, bool do_not_relay)
{
if(m_mempool.have_tx(tx_hash))
{
@ -669,7 +669,7 @@ namespace cryptonote
}
uint8_t version = m_blockchain_storage.get_current_hard_fork_version();
return m_mempool.add_tx(tx, tx_hash, blob_size, tvc, keeped_by_block, relayed, version);
return m_mempool.add_tx(tx, tx_hash, blob_size, tvc, keeped_by_block, relayed, do_not_relay, version);
}
//-----------------------------------------------------------------------------------------------
bool core::relay_txpool_transactions()

View File

@ -107,10 +107,11 @@ namespace cryptonote
* @param tvc metadata about the transaction's validity
* @param keeped_by_block if the transaction has been in a block
* @param relayed whether or not the transaction was relayed to us
* @param do_not_relay whether to prevent the transaction from being relayed
*
* @return true if the transaction made it to the transaction pool, otherwise false
*/
bool handle_incoming_tx(const blobdata& tx_blob, tx_verification_context& tvc, bool keeped_by_block, bool relayed);
bool handle_incoming_tx(const blobdata& tx_blob, tx_verification_context& tvc, bool keeped_by_block, bool relayed, bool do_not_relay);
/**
* @brief handles an incoming block
@ -641,9 +642,10 @@ namespace cryptonote
* @param tx_prefix_hash the transaction prefix' hash
* @param blob_size the size of the transaction
* @param relayed whether or not the transaction was relayed to us
* @param do_not_relay whether to prevent the transaction from being relayed
*
*/
bool add_new_tx(const transaction& tx, const crypto::hash& tx_hash, const crypto::hash& tx_prefix_hash, size_t blob_size, tx_verification_context& tvc, bool keeped_by_block, bool relayed);
bool add_new_tx(const transaction& tx, const crypto::hash& tx_hash, const crypto::hash& tx_prefix_hash, size_t blob_size, tx_verification_context& tvc, bool keeped_by_block, bool relayed, bool do_not_relay);
/**
* @brief add a new transaction to the transaction pool
@ -654,12 +656,13 @@ namespace cryptonote
* @param tvc return-by-reference metadata about the transaction's verification process
* @param keeped_by_block whether or not the transaction has been in a block
* @param relayed whether or not the transaction was relayed to us
* @param do_not_relay whether to prevent the transaction from being relayed
*
* @return true if the transaction is already in the transaction pool,
* is already in a block on the Blockchain, or is successfully added
* to the transaction pool
*/
bool add_new_tx(const transaction& tx, tx_verification_context& tvc, bool keeped_by_block, bool relayed);
bool add_new_tx(const transaction& tx, tx_verification_context& tvc, bool keeped_by_block, bool relayed, bool do_not_relay);
/**
* @copydoc Blockchain::add_new_block

View File

@ -83,7 +83,7 @@ namespace cryptonote
}
//---------------------------------------------------------------------------------
bool tx_memory_pool::add_tx(const transaction &tx, /*const crypto::hash& tx_prefix_hash,*/ const crypto::hash &id, size_t blob_size, tx_verification_context& tvc, bool kept_by_block, bool relayed, uint8_t version)
bool tx_memory_pool::add_tx(const transaction &tx, /*const crypto::hash& tx_prefix_hash,*/ const crypto::hash &id, size_t blob_size, tx_verification_context& tvc, bool kept_by_block, bool relayed, bool do_not_relay, uint8_t version)
{
PERF_TIMER(add_tx);
if (tx.version == 0)
@ -201,6 +201,7 @@ namespace cryptonote
txd_p.first->second.receive_time = time(nullptr);
txd_p.first->second.last_relayed_time = time(NULL);
txd_p.first->second.relayed = relayed;
txd_p.first->second.do_not_relay = do_not_relay;
tvc.m_verifivation_impossible = true;
tvc.m_added_to_pool = true;
}else
@ -224,9 +225,10 @@ namespace cryptonote
txd_p.first->second.receive_time = time(nullptr);
txd_p.first->second.last_relayed_time = time(NULL);
txd_p.first->second.relayed = relayed;
txd_p.first->second.do_not_relay = do_not_relay;
tvc.m_added_to_pool = true;
if(txd_p.first->second.fee > 0)
if(txd_p.first->second.fee > 0 && !do_not_relay)
tvc.m_should_be_relayed = true;
}
@ -251,12 +253,12 @@ namespace cryptonote
return true;
}
//---------------------------------------------------------------------------------
bool tx_memory_pool::add_tx(const transaction &tx, tx_verification_context& tvc, bool keeped_by_block, bool relayed, uint8_t version)
bool tx_memory_pool::add_tx(const transaction &tx, tx_verification_context& tvc, bool keeped_by_block, bool relayed, bool do_not_relay, uint8_t version)
{
crypto::hash h = null_hash;
size_t blob_size = 0;
get_transaction_hash(tx, h, blob_size);
return add_tx(tx, h, blob_size, tvc, keeped_by_block, relayed, version);
return add_tx(tx, h, blob_size, tvc, keeped_by_block, relayed, do_not_relay, version);
}
//---------------------------------------------------------------------------------
//FIXME: Can return early before removal of all of the key images.
@ -292,7 +294,7 @@ namespace cryptonote
return true;
}
//---------------------------------------------------------------------------------
bool tx_memory_pool::take_tx(const crypto::hash &id, transaction &tx, size_t& blob_size, uint64_t& fee, bool &relayed)
bool tx_memory_pool::take_tx(const crypto::hash &id, transaction &tx, size_t& blob_size, uint64_t& fee, bool &relayed, bool &do_not_relay)
{
CRITICAL_REGION_LOCAL(m_transactions_lock);
auto it = m_transactions.find(id);
@ -308,6 +310,7 @@ namespace cryptonote
blob_size = it->second.blob_size;
fee = it->second.fee;
relayed = it->second.relayed;
do_not_relay = it->second.do_not_relay;
remove_transaction_keyimages(it->second.tx);
m_transactions.erase(it);
m_txs_by_fee.erase(sorted_it);
@ -367,7 +370,7 @@ namespace cryptonote
for(auto it = m_transactions.begin(); it!= m_transactions.end();)
{
// 0 fee transactions are never relayed
if(it->second.fee > 0 && now - it->second.last_relayed_time > get_relay_delay(now, it->second.receive_time))
if(it->second.fee > 0 && !it->second.do_not_relay && now - it->second.last_relayed_time > get_relay_delay(now, it->second.receive_time))
{
// if the tx is older than half the max lifetime, we don't re-relay it, to avoid a problem
// mentioned by smooth where nodes would flush txes at slightly different times, causing
@ -431,6 +434,7 @@ namespace cryptonote
txi.receive_time = txd.receive_time;
txi.relayed = txd.relayed;
txi.last_relayed_time = txd.last_relayed_time;
txi.do_not_relay = txd.do_not_relay;
tx_infos.push_back(txi);
}

View File

@ -103,7 +103,7 @@ namespace cryptonote
* @param id the transaction's hash
* @param blob_size the transaction's size
*/
bool add_tx(const transaction &tx, const crypto::hash &id, size_t blob_size, tx_verification_context& tvc, bool kept_by_block, bool relayed, uint8_t version);
bool add_tx(const transaction &tx, const crypto::hash &id, size_t blob_size, tx_verification_context& tvc, bool kept_by_block, bool relayed, bool do_not_relay, uint8_t version);
/**
* @brief add a transaction to the transaction pool
@ -117,11 +117,12 @@ namespace cryptonote
* @param tvc return-by-reference status about the transaction verification
* @param kept_by_block has this transaction been in a block?
* @param relayed was this transaction from the network or a local client?
* @param do_not_relay to avoid relaying the transaction to the network
* @param version the version used to create the transaction
*
* @return true if the transaction passes validations, otherwise false
*/
bool add_tx(const transaction &tx, tx_verification_context& tvc, bool kept_by_block, bool relayed, uint8_t version);
bool add_tx(const transaction &tx, tx_verification_context& tvc, bool kept_by_block, bool relayed, bool do_not_relay, uint8_t version);
/**
* @brief takes a transaction with the given hash from the pool
@ -131,10 +132,11 @@ namespace cryptonote
* @param blob_size return-by-reference the transaction's size
* @param fee the transaction fee
* @param relayed return-by-reference was transaction relayed to us by the network?
* @param do_not_relay return-by-reference is transaction not to be relayed to the network?
*
* @return true unless the transaction cannot be found in the pool
*/
bool take_tx(const crypto::hash &id, transaction &tx, size_t& blob_size, uint64_t& fee, bool &relayed);
bool take_tx(const crypto::hash &id, transaction &tx, size_t& blob_size, uint64_t& fee, bool &relayed, bool &do_not_relay);
/**
* @brief checks if the pool has a transaction with the given hash
@ -303,7 +305,7 @@ namespace cryptonote
#define CURRENT_MEMPOOL_ARCHIVE_VER 11
#define CURRENT_MEMPOOL_TX_DETAILS_ARCHIVE_VER 11
#define CURRENT_MEMPOOL_TX_DETAILS_ARCHIVE_VER 12
/**
* @brief serialize the transaction pool to/from disk
@ -362,6 +364,7 @@ namespace cryptonote
time_t last_relayed_time; //!< the last time the transaction was relayed to the network
bool relayed; //!< whether or not the transaction has been relayed to the network
bool do_not_relay; //!< to avoid relay this transaction to the network
};
private:
@ -515,6 +518,9 @@ namespace boost
if (version < 11)
return;
ar & td.kept_by_block;
if (version < 12)
return;
ar & td.do_not_relay;
}
}
}

View File

@ -328,7 +328,7 @@ namespace cryptonote
for(auto tx_blob_it = arg.b.txs.begin(); tx_blob_it!=arg.b.txs.end();tx_blob_it++)
{
cryptonote::tx_verification_context tvc = AUTO_VAL_INIT(tvc);
m_core.handle_incoming_tx(*tx_blob_it, tvc, true, true);
m_core.handle_incoming_tx(*tx_blob_it, tvc, true, true, false);
if(tvc.m_verifivation_failed)
{
LOG_PRINT_CCONTEXT_L1("Block verification failed: transaction verification failed, dropping connection");
@ -478,7 +478,7 @@ namespace cryptonote
if(!m_core.get_pool_transaction(tx_hash, tx))
{
cryptonote::tx_verification_context tvc = AUTO_VAL_INIT(tvc);
if(!m_core.handle_incoming_tx(tx_blob, tvc, true, true) || tvc.m_verifivation_failed)
if(!m_core.handle_incoming_tx(tx_blob, tvc, true, true, false) || tvc.m_verifivation_failed)
{
LOG_PRINT_CCONTEXT_L1("Block verification failed: transaction verification failed, dropping connection");
m_p2p->drop_connection(context);
@ -682,7 +682,7 @@ namespace cryptonote
for(auto tx_blob_it = arg.txs.begin(); tx_blob_it!=arg.txs.end();)
{
cryptonote::tx_verification_context tvc = AUTO_VAL_INIT(tvc);
m_core.handle_incoming_tx(*tx_blob_it, tvc, false, true);
m_core.handle_incoming_tx(*tx_blob_it, tvc, false, true, false);
if(tvc.m_verifivation_failed)
{
LOG_PRINT_CCONTEXT_L1("Tx verification failed, dropping connection");
@ -874,7 +874,7 @@ namespace cryptonote
BOOST_FOREACH(auto& tx_blob, block_entry.txs)
{
tx_verification_context tvc = AUTO_VAL_INIT(tvc);
m_core.handle_incoming_tx(tx_blob, tvc, true, true);
m_core.handle_incoming_tx(tx_blob, tvc, true, true, false);
if(tvc.m_verifivation_failed)
{
LOG_ERROR_CCONTEXT("transaction verification failed on NOTIFY_RESPONSE_GET_OBJECTS, \r\ntx_id = "

View File

@ -743,6 +743,7 @@ bool t_rpc_command_executor::print_transaction_pool_long() {
<< "fee: " << cryptonote::print_money(tx_info.fee) << std::endl
<< "receive_time: " << tx_info.receive_time << " (" << get_human_time_ago(tx_info.receive_time, now) << ")" << std::endl
<< "relayed: " << [&](const cryptonote::tx_info &tx_info)->std::string { if (!tx_info.relayed) return "no"; return boost::lexical_cast<std::string>(tx_info.last_relayed_time) + " (" + get_human_time_ago(tx_info.last_relayed_time, now) + ")"; } (tx_info) << std::endl
<< "do_not_relay: " << (tx_info.do_not_relay ? 'T' : 'F') << std::endl
<< "kept_by_block: " << (tx_info.kept_by_block ? 'T' : 'F') << std::endl
<< "max_used_block_height: " << tx_info.max_used_block_height << std::endl
<< "max_used_block_id: " << tx_info.max_used_block_id_hash << std::endl
@ -823,6 +824,7 @@ bool t_rpc_command_executor::print_transaction_pool_short() {
<< "fee: " << cryptonote::print_money(tx_info.fee) << std::endl
<< "receive_time: " << tx_info.receive_time << " (" << get_human_time_ago(tx_info.receive_time, now) << ")" << std::endl
<< "relayed: " << [&](const cryptonote::tx_info &tx_info)->std::string { if (!tx_info.relayed) return "no"; return boost::lexical_cast<std::string>(tx_info.last_relayed_time) + " (" + get_human_time_ago(tx_info.last_relayed_time, now) + ")"; } (tx_info) << std::endl
<< "do_not_relay: " << (tx_info.do_not_relay ? 'T' : 'F') << std::endl
<< "kept_by_block: " << (tx_info.kept_by_block ? 'T' : 'F') << std::endl
<< "max_used_block_height: " << tx_info.max_used_block_height << std::endl
<< "max_used_block_id: " << tx_info.max_used_block_id_hash << std::endl

View File

@ -528,7 +528,7 @@ namespace cryptonote
cryptonote_connection_context fake_context = AUTO_VAL_INIT(fake_context);
tx_verification_context tvc = AUTO_VAL_INIT(tvc);
if(!m_core.handle_incoming_tx(tx_blob, tvc, false, false) || tvc.m_verifivation_failed)
if(!m_core.handle_incoming_tx(tx_blob, tvc, false, false, req.do_not_relay) || tvc.m_verifivation_failed)
{
if (tvc.m_verifivation_failed)
{
@ -558,7 +558,7 @@ namespace cryptonote
return true;
}
if(!tvc.m_should_be_relayed || req.do_not_relay)
if(!tvc.m_should_be_relayed)
{
LOG_PRINT_L0("[on_send_raw_tx]: tx accepted, but not relayed");
res.reason = "Not relayed";

View File

@ -49,7 +49,7 @@ namespace cryptonote
// advance which version they will stop working with
// Don't go over 32767 for any of these
#define CORE_RPC_VERSION_MAJOR 1
#define CORE_RPC_VERSION_MINOR 4
#define CORE_RPC_VERSION_MINOR 5
#define CORE_RPC_VERSION (((CORE_RPC_VERSION_MAJOR)<<16)|(CORE_RPC_VERSION_MINOR))
struct COMMAND_RPC_GET_HEIGHT
@ -920,6 +920,7 @@ namespace cryptonote
uint64_t receive_time;
bool relayed;
uint64_t last_relayed_time;
bool do_not_relay;
BEGIN_KV_SERIALIZE_MAP()
KV_SERIALIZE(id_hash)
@ -934,6 +935,7 @@ namespace cryptonote
KV_SERIALIZE(receive_time)
KV_SERIALIZE(relayed)
KV_SERIALIZE(last_relayed_time)
KV_SERIALIZE(do_not_relay)
END_KV_SERIALIZE_MAP()
};

View File

@ -165,7 +165,7 @@ string tx2str(const cryptonote::transaction& tx, const cryptonote::hash256& tx_h
return ss.str();
}*/
bool tests::proxy_core::handle_incoming_tx(const cryptonote::blobdata& tx_blob, cryptonote::tx_verification_context& tvc, bool keeped_by_block, bool relayed) {
bool tests::proxy_core::handle_incoming_tx(const cryptonote::blobdata& tx_blob, cryptonote::tx_verification_context& tvc, bool keeped_by_block, bool relayed, bool do_not_relay) {
if (!keeped_by_block)
return true;

View File

@ -74,7 +74,7 @@ namespace tests
bool get_stat_info(cryptonote::core_stat_info& st_inf){return true;}
bool have_block(const crypto::hash& id);
bool get_blockchain_top(uint64_t& height, crypto::hash& top_id);
bool handle_incoming_tx(const cryptonote::blobdata& tx_blob, cryptonote::tx_verification_context& tvc, bool keeped_by_block, bool relaued);
bool handle_incoming_tx(const cryptonote::blobdata& tx_blob, cryptonote::tx_verification_context& tvc, bool keeped_by_block, bool relayed, bool do_not_relay);
bool handle_incoming_block(const cryptonote::blobdata& block_blob, cryptonote::block_verification_context& bvc, bool update_miner_blocktemplate = true);
void pause_mine(){}
void resume_mine(){}

View File

@ -368,7 +368,7 @@ public:
cryptonote::tx_verification_context tvc = AUTO_VAL_INIT(tvc);
size_t pool_size = m_c.get_pool_transactions_count();
m_c.handle_incoming_tx(t_serializable_object_to_blob(tx), tvc, m_txs_keeped_by_block, false);
m_c.handle_incoming_tx(t_serializable_object_to_blob(tx), tvc, m_txs_keeped_by_block, false, false);
bool tx_added = pool_size + 1 == m_c.get_pool_transactions_count();
bool r = check_tx_verification_context(tvc, tx_added, m_ev_index, tx, m_validator);
CHECK_AND_NO_ASSERT_MES(r, false, "tx verification context check failed");
@ -425,7 +425,7 @@ public:
cryptonote::tx_verification_context tvc = AUTO_VAL_INIT(tvc);
size_t pool_size = m_c.get_pool_transactions_count();
m_c.handle_incoming_tx(sr_tx.data, tvc, m_txs_keeped_by_block, false);
m_c.handle_incoming_tx(sr_tx.data, tvc, m_txs_keeped_by_block, false, false);
bool tx_added = pool_size + 1 == m_c.get_pool_transactions_count();
cryptonote::transaction tx;

View File

@ -49,7 +49,7 @@ public:
bool get_stat_info(cryptonote::core_stat_info& st_inf) const {return true;}
bool have_block(const crypto::hash& id) const {return true;}
bool get_blockchain_top(uint64_t& height, crypto::hash& top_id)const{height=0;top_id=cryptonote::null_hash;return true;}
bool handle_incoming_tx(const cryptonote::blobdata& tx_blob, cryptonote::tx_verification_context& tvc, bool keeped_by_block, bool relaued) { return true; }
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_block(const cryptonote::blobdata& block_blob, cryptonote::block_verification_context& bvc, bool update_miner_blocktemplate = true) { return true; }
void pause_mine(){}
void resume_mine(){}