// // Created by mwo on 28/05/17. // #include "MempoolStatus.h" namespace xmreg { using namespace std; void MempoolStatus::set_blockchain_variables(MicroCore *_mcore, Blockchain *_core_storage) { mcore = _mcore; core_storage = _core_storage; } void MempoolStatus::start_mempool_status_thread() { // to protect from deviation by zero below. mempool_refresh_time = std::max(1, mempool_refresh_time); if (!is_running) { m_thread = boost::thread{[]() { try { uint64_t loop_index {0}; // so that network status is checked every minute uint64_t loop_index_divider = std::max(1, 60 / mempool_refresh_time); while (true) { // we just query network status every minute. No sense // to do it as frequently as getting mempool data. if (loop_index % loop_index_divider == 0) { if (!MempoolStatus::read_network_info()) { network_info local_copy = current_network_info; cerr << " Cant read network info "<< endl; local_copy.current = false; current_network_info = local_copy; } else { cout << "Current network info read, "; loop_index = 0; } } if (MempoolStatus::read_mempool()) { vector current_mempool_txs = get_mempool_txs(); cout << "mempool status txs: " << current_mempool_txs.size() << endl; } // when we reach top of the blockchain, update // the emission amount every minute. boost::this_thread::sleep_for( boost::chrono::seconds(mempool_refresh_time)); ++loop_index; } // while (true) } catch (boost::thread_interrupted&) { cout << "Mempool status thread interrupted." << endl; return; } }}; // m_thread = boost::thread{[]() is_running = true; } // if (!is_running) } bool MempoolStatus::read_mempool() { rpccalls rpc {daemon_url, login}; string error_msg; // we populate this variable instead of global mempool_txs // mempool_txs will be changed only when this function completes. // this ensures that we don't sent out partial mempool txs to // other places. vector local_copy_of_mempool_txs; // get txs in the mempool std::vector mempool_tx_info; //std::vector pool_tx_info; std::vector pool_key_image_info; // get txpool from lmdb database instead of rpc call if (!mcore->get_mempool().get_transactions_and_spent_keys_info( mempool_tx_info, pool_key_image_info, true)) { cerr << "Getting mempool failed " << endl; return false; } (void) pool_key_image_info; // sort txpool txs // mempool txs are not sorted base on their arival time, // so we sort it here. std::sort(mempool_tx_info.begin(), mempool_tx_info.end(), [](tx_info& t1, tx_info& t2) { return t1.receive_time > t2.receive_time; }); // if dont have tx_blob member, construct tx // from json obtained from the rpc call uint64_t mempool_size_kB {0}; for (size_t i = 0; i < mempool_tx_info.size(); ++i) { // get transaction info of the tx in the mempool const tx_info& _tx_info = mempool_tx_info.at(i); transaction tx; crypto::hash tx_hash; crypto::hash tx_prefix_hash; if (!parse_and_validate_tx_from_blob( _tx_info.tx_blob, tx, tx_hash, tx_prefix_hash)) { cerr << "Cant make tx from _tx_info.tx_blob" << endl; return false; } mempool_size_kB += _tx_info.blob_size; local_copy_of_mempool_txs.push_back(mempool_tx{}); mempool_tx& last_tx = local_copy_of_mempool_txs.back(); last_tx.tx_hash = tx_hash; last_tx.tx = tx; // key images of inputs vector input_key_imgs; // public keys and xmr amount of outputs vector> output_pub_keys; // sum xmr in inputs and ouputs in the given tx const array& sum_data = summary_of_in_out_rct( tx, output_pub_keys, input_key_imgs); double tx_size = static_cast(_tx_info.blob_size)/1024.0; double payed_for_kB = XMR_AMOUNT(_tx_info.fee) / tx_size; last_tx.receive_time = _tx_info.receive_time; last_tx.sum_outputs = sum_data[0]; last_tx.sum_inputs = sum_data[1]; last_tx.no_outputs = output_pub_keys.size(); last_tx.no_inputs = input_key_imgs.size(); last_tx.mixin_no = sum_data[2]; last_tx.num_nonrct_inputs = sum_data[3]; last_tx.fee_str = xmreg::xmr_amount_to_str(_tx_info.fee, "{:0.4f}", false); last_tx.fee_micro_str = xmreg::xmr_amount_to_str(_tx_info.fee*1.0e6, "{:04.0f}", false); last_tx.payed_for_kB_str = fmt::format("{:0.4f}", payed_for_kB); last_tx.payed_for_kB_micro_str = fmt::format("{:04.0f}", payed_for_kB*1e6); last_tx.xmr_inputs_str = xmreg::xmr_amount_to_str(last_tx.sum_inputs , "{:0.3f}"); last_tx.xmr_outputs_str = xmreg::xmr_amount_to_str(last_tx.sum_outputs, "{:0.3f}"); last_tx.timestamp_str = xmreg::timestamp_to_str_gm(_tx_info.receive_time); last_tx.txsize = fmt::format("{:0.2f}", tx_size); } // for (size_t i = 0; i < mempool_tx_info.size(); ++i) Guard lck (mempool_mutx); // clear current mempool txs vector // repopulate it with each execution of read_mempool() // not very efficient but good enough for now. mempool_no = local_copy_of_mempool_txs.size(); mempool_size = mempool_size_kB; mempool_txs = std::move(local_copy_of_mempool_txs); return true; } bool MempoolStatus::read_network_info() { rpccalls rpc {daemon_url, login}; COMMAND_RPC_GET_INFO::response rpc_network_info; if (!rpc.get_network_info(rpc_network_info)) return false; uint64_t fee_estimated; string error_msg; if (!rpc.get_dynamic_per_kb_fee_estimate( FEE_ESTIMATE_GRACE_BLOCKS, fee_estimated, error_msg)) { cerr << "rpc.get_dynamic_per_kb_fee_estimate failed" << endl; return false; } (void) error_msg; COMMAND_RPC_HARD_FORK_INFO::response rpc_hardfork_info; if (!rpc.get_hardfork_info(rpc_hardfork_info)) return false; network_info local_copy; local_copy.status = network_info::get_status_uint(rpc_network_info.status); local_copy.height = rpc_network_info.height; local_copy.target_height = rpc_network_info.target_height; local_copy.difficulty = rpc_network_info.difficulty; local_copy.difficulty_top64 = rpc_network_info.difficulty_top64; local_copy.target = rpc_network_info.target; cryptonote::difficulty_type hash_rate = cryptonote::difficulty_type(rpc_network_info.wide_difficulty) / rpc_network_info.target; local_copy.hash_rate = (hash_rate & 0xFFFFFFFFFFFFFFFF).convert_to(); local_copy.hash_rate_top64 = ((hash_rate >> 64) & 0xFFFFFFFFFFFFFFFF).convert_to(); local_copy.tx_count = rpc_network_info.tx_count; local_copy.tx_pool_size = rpc_network_info.tx_pool_size; local_copy.alt_blocks_count = rpc_network_info.alt_blocks_count; local_copy.outgoing_connections_count = rpc_network_info.outgoing_connections_count; local_copy.incoming_connections_count = rpc_network_info.incoming_connections_count; local_copy.white_peerlist_size = rpc_network_info.white_peerlist_size; local_copy.nettype = rpc_network_info.testnet ? cryptonote::network_type::TESTNET : rpc_network_info.stagenet ? cryptonote::network_type::STAGENET : cryptonote::network_type::MAINNET; local_copy.cumulative_difficulty = rpc_network_info.cumulative_difficulty; local_copy.cumulative_difficulty_top64 = rpc_network_info.cumulative_difficulty_top64; local_copy.block_size_limit = rpc_network_info.block_size_limit; local_copy.block_size_median = rpc_network_info.block_size_median; local_copy.block_weight_limit = rpc_network_info.block_weight_limit; local_copy.start_time = rpc_network_info.start_time; strncpy(local_copy.block_size_limit_str, fmt::format("{:0.2f}", static_cast( local_copy.block_size_limit ) / 2.0 / 1024.0).c_str(), sizeof(local_copy.block_size_limit_str)); strncpy(local_copy.block_size_median_str, fmt::format("{:0.2f}", static_cast( local_copy.block_size_median) / 1024.0).c_str(), sizeof(local_copy.block_size_median_str)); epee::string_tools::hex_to_pod(rpc_network_info.top_block_hash, local_copy.top_block_hash); local_copy.fee_per_kb = fee_estimated; local_copy.info_timestamp = static_cast(std::time(nullptr)); local_copy.current_hf_version = rpc_hardfork_info.version; local_copy.current = true; current_network_info = local_copy; return true; } vector MempoolStatus::get_mempool_txs() { Guard lck (mempool_mutx); return mempool_txs; } vector MempoolStatus::get_mempool_txs(uint64_t no_of_tx) { Guard lck (mempool_mutx); no_of_tx = std::min(no_of_tx, mempool_txs.size()); return vector(mempool_txs.begin(), mempool_txs.begin() + no_of_tx); } bool MempoolStatus::is_thread_running() { return is_running; } bf::path MempoolStatus::blockchain_path {"/home/mwo/.bitmonero/lmdb"}; string MempoolStatus::daemon_url {"http:://127.0.0.1:18081"}; cryptonote::network_type MempoolStatus::nettype {cryptonote::network_type::MAINNET}; atomic MempoolStatus::is_running {false}; boost::thread MempoolStatus::m_thread; Blockchain* MempoolStatus::core_storage {nullptr}; xmreg::MicroCore* MempoolStatus::mcore {nullptr}; rpccalls::login_opt MempoolStatus::login {}; vector MempoolStatus::mempool_txs; atomic MempoolStatus::current_network_info; atomic MempoolStatus::mempool_no {0}; // no of txs atomic MempoolStatus::mempool_size {0}; // size in bytes. uint64_t MempoolStatus::mempool_refresh_time {10}; mutex MempoolStatus::mempool_mutx; }