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-rw-r--r--src/cryptonote_core/blockchain.cpp69
-rw-r--r--src/cryptonote_core/blockchain.h39
-rw-r--r--src/cryptonote_core/cryptonote_core.cpp10
-rw-r--r--src/cryptonote_core/cryptonote_core.h7
-rw-r--r--src/cryptonote_core/cryptonote_tx_utils.h9
-rw-r--r--src/cryptonote_core/tx_pool.cpp39
-rw-r--r--src/cryptonote_core/tx_pool.h10
7 files changed, 174 insertions, 9 deletions
diff --git a/src/cryptonote_core/blockchain.cpp b/src/cryptonote_core/blockchain.cpp
index f0e6794b9..3d0e81af1 100644
--- a/src/cryptonote_core/blockchain.cpp
+++ b/src/cryptonote_core/blockchain.cpp
@@ -1238,6 +1238,12 @@ bool Blockchain::switch_to_alternative_blockchain(std::list<block_extended_info>
reorg_notify->notify("%s", std::to_string(split_height).c_str(), "%h", std::to_string(m_db->height()).c_str(),
"%n", std::to_string(m_db->height() - split_height).c_str(), "%d", std::to_string(discarded_blocks).c_str(), NULL);
+ crypto::hash prev_id;
+ if (!get_block_hash(alt_chain.back().bl, prev_id))
+ MERROR("Failed to get block hash of an alternative chain's tip");
+ else
+ send_miner_notifications(prev_id, alt_chain.back().already_generated_coins);
+
for (const auto& notifier : m_block_notifiers)
{
std::size_t notify_height = split_height;
@@ -1784,6 +1790,30 @@ bool Blockchain::create_block_template(block& b, const account_public_address& m
return create_block_template(b, NULL, miner_address, diffic, height, expected_reward, ex_nonce, seed_height, seed_hash);
}
//------------------------------------------------------------------
+bool Blockchain::get_miner_data(uint8_t& major_version, uint64_t& height, crypto::hash& prev_id, crypto::hash& seed_hash, difficulty_type& difficulty, uint64_t& median_weight, uint64_t& already_generated_coins, std::vector<tx_block_template_backlog_entry>& tx_backlog)
+{
+ prev_id = m_db->top_block_hash(&height);
+ ++height;
+
+ major_version = m_hardfork->get_ideal_version(height);
+
+ seed_hash = crypto::null_hash;
+ if (m_hardfork->get_current_version() >= RX_BLOCK_VERSION)
+ {
+ uint64_t seed_height, next_height;
+ crypto::rx_seedheights(height, &seed_height, &next_height);
+ seed_hash = get_block_id_by_height(seed_height);
+ }
+
+ difficulty = get_difficulty_for_next_block();
+ median_weight = m_current_block_cumul_weight_median;
+ already_generated_coins = m_db->get_block_already_generated_coins(height - 1);
+
+ m_tx_pool.get_block_template_backlog(tx_backlog);
+
+ return true;
+}
+//------------------------------------------------------------------
// for an alternate chain, get the timestamps from the main chain to complete
// the needed number of timestamps for the BLOCKCHAIN_TIMESTAMP_CHECK_WINDOW.
bool Blockchain::complete_timestamps_vector(uint64_t start_top_height, std::vector<uint64_t>& timestamps) const
@@ -4362,6 +4392,7 @@ leave:
get_difficulty_for_next_block(); // just to cache it
invalidate_block_template_cache();
+ send_miner_notifications(id, already_generated_coins);
for (const auto& notifier: m_block_notifiers)
notifier(new_height - 1, {std::addressof(bl), 1});
@@ -5270,7 +5301,7 @@ void Blockchain::set_user_options(uint64_t maxthreads, bool sync_on_blocks, uint
m_max_prepare_blocks_threads = maxthreads;
}
-void Blockchain::add_block_notify(boost::function<void(std::uint64_t, epee::span<const block>)>&& notify)
+void Blockchain::add_block_notify(BlockNotifyCallback&& notify)
{
if (notify)
{
@@ -5279,6 +5310,15 @@ void Blockchain::add_block_notify(boost::function<void(std::uint64_t, epee::span
}
}
+void Blockchain::add_miner_notify(MinerNotifyCallback&& notify)
+{
+ if (notify)
+ {
+ CRITICAL_REGION_LOCAL(m_blockchain_lock);
+ m_miner_notifiers.push_back(std::move(notify));
+ }
+}
+
void Blockchain::safesyncmode(const bool onoff)
{
/* all of this is no-op'd if the user set a specific
@@ -5531,6 +5571,33 @@ void Blockchain::cache_block_template(const block &b, const cryptonote::account_
m_btc_valid = true;
}
+void Blockchain::send_miner_notifications(const crypto::hash &prev_id, uint64_t already_generated_coins)
+{
+ if (m_miner_notifiers.empty())
+ return;
+
+ const uint64_t height = m_db->height();
+ const uint8_t major_version = m_hardfork->get_ideal_version(height);
+ const difficulty_type diff = get_difficulty_for_next_block();
+ const uint64_t median_weight = m_current_block_cumul_weight_median;
+
+ crypto::hash seed_hash = crypto::null_hash;
+ if (m_hardfork->get_current_version() >= RX_BLOCK_VERSION)
+ {
+ uint64_t seed_height, next_height;
+ crypto::rx_seedheights(height, &seed_height, &next_height);
+ seed_hash = get_block_id_by_height(seed_height);
+ }
+
+ std::vector<tx_block_template_backlog_entry> tx_backlog;
+ m_tx_pool.get_block_template_backlog(tx_backlog);
+
+ for (const auto& notifier : m_miner_notifiers)
+ {
+ notifier(major_version, height, prev_id, seed_hash, diff, median_weight, already_generated_coins, tx_backlog);
+ }
+}
+
namespace cryptonote {
template bool Blockchain::get_transactions(const std::vector<crypto::hash>&, std::vector<transaction>&, std::vector<crypto::hash>&, bool) const;
template bool Blockchain::get_split_transactions_blobs(const std::vector<crypto::hash>&, std::vector<std::tuple<crypto::hash, cryptonote::blobdata, crypto::hash, cryptonote::blobdata>>&, std::vector<crypto::hash>&) const;
diff --git a/src/cryptonote_core/blockchain.h b/src/cryptonote_core/blockchain.h
index a0e7967de..9afbfbc2d 100644
--- a/src/cryptonote_core/blockchain.h
+++ b/src/cryptonote_core/blockchain.h
@@ -90,6 +90,9 @@ namespace cryptonote
*/
typedef std::function<const epee::span<const unsigned char>(cryptonote::network_type network)> GetCheckpointsCallback;
+ typedef boost::function<void(uint64_t /* height */, epee::span<const block> /* blocks */)> BlockNotifyCallback;
+ typedef boost::function<void(uint8_t /* major_version */, uint64_t /* height */, const crypto::hash& /* prev_id */, const crypto::hash& /* seed_hash */, difficulty_type /* diff */, uint64_t /* median_weight */, uint64_t /* already_generated_coins */, const std::vector<tx_block_template_backlog_entry>& /* tx_backlog */)> MinerNotifyCallback;
+
/************************************************************************/
/* */
/************************************************************************/
@@ -371,6 +374,22 @@ namespace cryptonote
bool create_block_template(block& b, const crypto::hash *from_block, const account_public_address& miner_address, difficulty_type& di, uint64_t& height, uint64_t& expected_reward, const blobdata& ex_nonce, uint64_t &seed_height, crypto::hash &seed_hash);
/**
+ * @brief gets data required to create a block template and start mining on it
+ *
+ * @param major_version current hardfork version
+ * @param height current blockchain height
+ * @param prev_id hash of the top block
+ * @param seed_hash seed hash used for RandomX initialization
+ * @param difficulty current mining difficulty
+ * @param median_weight current median block weight
+ * @param already_generated_coins current emission
+ * @param tx_backlog transactions in mempool ready to be mined
+ *
+ * @return true if block template filled in successfully, else false
+ */
+ bool get_miner_data(uint8_t& major_version, uint64_t& height, crypto::hash& prev_id, crypto::hash& seed_hash, difficulty_type& difficulty, uint64_t& median_weight, uint64_t& already_generated_coins, std::vector<tx_block_template_backlog_entry>& tx_backlog);
+
+ /**
* @brief checks if a block is known about with a given hash
*
* This function checks the main chain, alternate chains, and invalid blocks
@@ -775,7 +794,14 @@ namespace cryptonote
*
* @param notify the notify object to call at every new block
*/
- void add_block_notify(boost::function<void(std::uint64_t, epee::span<const block>)> &&notify);
+ void add_block_notify(BlockNotifyCallback&& notify);
+
+ /**
+ * @brief sets a miner notify object to call for every new block
+ *
+ * @param notify the notify object to call at every new block
+ */
+ void add_miner_notify(MinerNotifyCallback&& notify);
/**
* @brief sets a reorg notify object to call for every reorg
@@ -1157,7 +1183,8 @@ namespace cryptonote
the callable object has a single `std::shared_ptr` or `std::weap_ptr`
internally. Whereas, the libstdc++ `std::function` will allocate. */
- std::vector<boost::function<void(std::uint64_t, epee::span<const block>)>> m_block_notifiers;
+ std::vector<BlockNotifyCallback> m_block_notifiers;
+ std::vector<MinerNotifyCallback> m_miner_notifiers;
std::shared_ptr<tools::Notify> m_reorg_notify;
// for prepare_handle_incoming_blocks
@@ -1537,5 +1564,13 @@ namespace cryptonote
* At some point, may be used to push an update to miners
*/
void cache_block_template(const block &b, const cryptonote::account_public_address &address, const blobdata &nonce, const difficulty_type &diff, uint64_t height, uint64_t expected_reward, uint64_t seed_height, const crypto::hash &seed_hash, uint64_t pool_cookie);
+
+ /**
+ * @brief sends new block notifications to ZMQ `miner_data` subscribers
+ *
+ * @param prev_id hash of new blockchain tip
+ * @param already_generated_coins total coins mined by the network so far
+ */
+ void send_miner_notifications(const crypto::hash &prev_id, uint64_t already_generated_coins);
};
} // namespace cryptonote
diff --git a/src/cryptonote_core/cryptonote_core.cpp b/src/cryptonote_core/cryptonote_core.cpp
index 1da14221a..3b7ccb157 100644
--- a/src/cryptonote_core/cryptonote_core.cpp
+++ b/src/cryptonote_core/cryptonote_core.cpp
@@ -1063,8 +1063,9 @@ namespace cryptonote
if (already_have[i])
continue;
- const uint64_t weight = results[i].tx.pruned ? get_pruned_transaction_weight(results[i].tx) : get_transaction_weight(results[i].tx, it->blob.size());
- ok &= add_new_tx(results[i].tx, results[i].hash, tx_blobs[i].blob, weight, tvc[i], tx_relay, relayed);
+ results[i].blob_size = it->blob.size();
+ results[i].weight = results[i].tx.pruned ? get_pruned_transaction_weight(results[i].tx) : get_transaction_weight(results[i].tx, it->blob.size());
+ ok &= add_new_tx(results[i].tx, results[i].hash, tx_blobs[i].blob, results[i].weight, tvc[i], tx_relay, relayed);
if(tvc[i].m_verifivation_failed)
{MERROR_VER("Transaction verification failed: " << results[i].hash);}
@@ -1403,6 +1404,11 @@ namespace cryptonote
return m_blockchain_storage.create_block_template(b, prev_block, adr, diffic, height, expected_reward, ex_nonce, seed_height, seed_hash);
}
//-----------------------------------------------------------------------------------------------
+ bool core::get_miner_data(uint8_t& major_version, uint64_t& height, crypto::hash& prev_id, crypto::hash& seed_hash, difficulty_type& difficulty, uint64_t& median_weight, uint64_t& already_generated_coins, std::vector<tx_block_template_backlog_entry>& tx_backlog)
+ {
+ return m_blockchain_storage.get_miner_data(major_version, height, prev_id, seed_hash, difficulty, median_weight, already_generated_coins, tx_backlog);
+ }
+ //-----------------------------------------------------------------------------------------------
bool core::find_blockchain_supplement(const std::list<crypto::hash>& qblock_ids, bool clip_pruned, NOTIFY_RESPONSE_CHAIN_ENTRY::request& resp) const
{
return m_blockchain_storage.find_blockchain_supplement(qblock_ids, clip_pruned, resp);
diff --git a/src/cryptonote_core/cryptonote_core.h b/src/cryptonote_core/cryptonote_core.h
index 8478049f9..dd813733f 100644
--- a/src/cryptonote_core/cryptonote_core.h
+++ b/src/cryptonote_core/cryptonote_core.h
@@ -237,6 +237,13 @@ namespace cryptonote
virtual bool get_block_template(block& b, const crypto::hash *prev_block, const account_public_address& adr, difficulty_type& diffic, uint64_t& height, uint64_t& expected_reward, const blobdata& ex_nonce, uint64_t &seed_height, crypto::hash &seed_hash);
/**
+ * @copydoc Blockchain::get_miner_data
+ *
+ * @note see Blockchain::get_miner_data
+ */
+ bool get_miner_data(uint8_t& major_version, uint64_t& height, crypto::hash& prev_id, crypto::hash& seed_hash, difficulty_type& difficulty, uint64_t& median_weight, uint64_t& already_generated_coins, std::vector<tx_block_template_backlog_entry>& tx_backlog);
+
+ /**
* @brief called when a transaction is relayed.
* @note Should only be invoked from `levin_notify`.
*/
diff --git a/src/cryptonote_core/cryptonote_tx_utils.h b/src/cryptonote_core/cryptonote_tx_utils.h
index 73cdd31cd..06412d6bf 100644
--- a/src/cryptonote_core/cryptonote_tx_utils.h
+++ b/src/cryptonote_core/cryptonote_tx_utils.h
@@ -108,6 +108,15 @@ namespace cryptonote
};
//---------------------------------------------------------------
+
+ struct tx_block_template_backlog_entry
+ {
+ crypto::hash id;
+ uint64_t weight;
+ uint64_t fee;
+ };
+
+ //---------------------------------------------------------------
crypto::public_key get_destination_view_key_pub(const std::vector<tx_destination_entry> &destinations, const boost::optional<cryptonote::account_public_address>& change_addr);
bool construct_tx(const account_keys& sender_account_keys, std::vector<tx_source_entry> &sources, const std::vector<tx_destination_entry>& destinations, const boost::optional<cryptonote::account_public_address>& change_addr, const std::vector<uint8_t> &extra, transaction& tx, uint64_t unlock_time);
bool construct_tx_with_tx_key(const account_keys& sender_account_keys, const std::unordered_map<crypto::public_key, subaddress_index>& subaddresses, std::vector<tx_source_entry>& sources, std::vector<tx_destination_entry>& destinations, const boost::optional<cryptonote::account_public_address>& change_addr, const std::vector<uint8_t> &extra, transaction& tx, uint64_t unlock_time, const crypto::secret_key &tx_key, const std::vector<crypto::secret_key> &additional_tx_keys, bool rct = false, const rct::RCTConfig &rct_config = { rct::RangeProofBorromean, 0 }, rct::multisig_out *msout = NULL, bool shuffle_outs = true);
diff --git a/src/cryptonote_core/tx_pool.cpp b/src/cryptonote_core/tx_pool.cpp
index a7e96e23a..84605d6f5 100644
--- a/src/cryptonote_core/tx_pool.cpp
+++ b/src/cryptonote_core/tx_pool.cpp
@@ -913,6 +913,32 @@ namespace cryptonote
}, false, category);
}
//------------------------------------------------------------------
+ void tx_memory_pool::get_block_template_backlog(std::vector<tx_block_template_backlog_entry>& backlog, bool include_sensitive) const
+ {
+ CRITICAL_REGION_LOCAL(m_transactions_lock);
+ CRITICAL_REGION_LOCAL1(m_blockchain);
+ const relay_category category = include_sensitive ? relay_category::all : relay_category::broadcasted;
+ backlog.reserve(m_blockchain.get_txpool_tx_count(include_sensitive));
+ txpool_tx_meta_t tmp_meta;
+ m_blockchain.for_all_txpool_txes([this, &backlog, &tmp_meta](const crypto::hash &txid, const txpool_tx_meta_t &meta, const cryptonote::blobdata_ref *bd){
+ transaction tx;
+ if (!(meta.pruned ? parse_and_validate_tx_base_from_blob(*bd, tx) : parse_and_validate_tx_from_blob(*bd, tx)))
+ {
+ MERROR("Failed to parse tx from txpool");
+ // continue
+ return true;
+ }
+ tx.set_hash(txid);
+
+ tmp_meta = meta;
+
+ if (is_transaction_ready_to_go(tmp_meta, txid, *bd, tx))
+ backlog.push_back({txid, meta.weight, meta.fee});
+
+ return true;
+ }, true, category);
+ }
+ //------------------------------------------------------------------
void tx_memory_pool::get_transaction_stats(struct txpool_stats& stats, bool include_sensitive) const
{
CRITICAL_REGION_LOCAL(m_transactions_lock);
@@ -1222,11 +1248,11 @@ namespace cryptonote
return ret;
}
//---------------------------------------------------------------------------------
- bool tx_memory_pool::is_transaction_ready_to_go(txpool_tx_meta_t& txd, const crypto::hash &txid, const cryptonote::blobdata &txblob, transaction &tx) const
+ bool tx_memory_pool::is_transaction_ready_to_go(txpool_tx_meta_t& txd, const crypto::hash &txid, const cryptonote::blobdata_ref& txblob, transaction &tx) const
{
- struct transction_parser
+ struct transaction_parser
{
- transction_parser(const cryptonote::blobdata &txblob, const crypto::hash &txid, transaction &tx): txblob(txblob), txid(txid), tx(tx), parsed(false) {}
+ transaction_parser(const cryptonote::blobdata_ref &txblob, const crypto::hash &txid, transaction &tx): txblob(txblob), txid(txid), tx(tx), parsed(false) {}
cryptonote::transaction &operator()()
{
if (!parsed)
@@ -1238,7 +1264,7 @@ namespace cryptonote
}
return tx;
}
- const cryptonote::blobdata &txblob;
+ const cryptonote::blobdata_ref &txblob;
const crypto::hash &txid;
transaction &tx;
bool parsed;
@@ -1289,6 +1315,11 @@ namespace cryptonote
return true;
}
//---------------------------------------------------------------------------------
+ bool tx_memory_pool::is_transaction_ready_to_go(txpool_tx_meta_t& txd, const crypto::hash &txid, const cryptonote::blobdata& txblob, transaction &tx) const
+ {
+ return is_transaction_ready_to_go(txd, txid, cryptonote::blobdata_ref{txblob.data(), txblob.size()}, tx);
+ }
+ //---------------------------------------------------------------------------------
bool tx_memory_pool::have_key_images(const std::unordered_set<crypto::key_image>& k_images, const transaction_prefix& tx)
{
for(size_t i = 0; i!= tx.vin.size(); i++)
diff --git a/src/cryptonote_core/tx_pool.h b/src/cryptonote_core/tx_pool.h
index ab2a57ea2..80b38c51d 100644
--- a/src/cryptonote_core/tx_pool.h
+++ b/src/cryptonote_core/tx_pool.h
@@ -266,6 +266,15 @@ namespace cryptonote
void get_transaction_backlog(std::vector<tx_backlog_entry>& backlog, bool include_sensitive = false) const;
/**
+ * @brief get (hash, weight, fee) for all transactions in the pool - the minimum required information to create a block template
+ *
+ * @param backlog return-by-reference that data
+ * @param include_sensitive return stempool, anonymity-pool, and unrelayed txes
+ *
+ */
+ void get_block_template_backlog(std::vector<tx_block_template_backlog_entry>& backlog, bool include_sensitive = false) const;
+
+ /**
* @brief get a summary statistics of all transaction hashes in the pool
*
* @param stats return-by-reference the pool statistics
@@ -540,6 +549,7 @@ namespace cryptonote
*
* @return true if the transaction is good to go, otherwise false
*/
+ bool is_transaction_ready_to_go(txpool_tx_meta_t& txd, const crypto::hash &txid, const cryptonote::blobdata_ref &txblob, transaction&tx) const;
bool is_transaction_ready_to_go(txpool_tx_meta_t& txd, const crypto::hash &txid, const cryptonote::blobdata &txblob, transaction&tx) const;
/**
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-15 10:53:32 +0000