testing monero emission thread
moneroexamples
8 years ago
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commit
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//
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// Created by mwo on 16/05/17.
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//
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#include "CurrentBlockchainStatus.h"
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namespace xmreg
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{
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using namespace std;
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bool
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CurrentBlockchainStatus::init_monero_blockchain()
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{
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// set monero log output level
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uint32_t log_level = 0;
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mlog_configure(mlog_get_default_log_path(""), true);
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mcore = unique_ptr<xmreg::MicroCore>(new xmreg::MicroCore{});
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// initialize the core using the blockchain path
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if (!mcore->init(blockchain_path))
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{
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cerr << "Error accessing blockchain." << endl;
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return false;
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}
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// get the high level Blockchain object to interact
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// with the blockchain lmdb database
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core_storage = &(mcore->get_core());
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return true;
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}
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void
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CurrentBlockchainStatus::start_monitor_blockchain_thread()
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{
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string emmision_saved_file = blockchain_path + output_file;
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if (boost::filesystem::exists(emmision_saved_file))
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{
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if (!load_current_emission_amount())
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{
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cerr << "Cant read or has incorrect format: " << emmision_saved_file << endl;
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return;
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}
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}
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if (!is_running)
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{
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m_thread = std::thread{[]()
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{
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while (true)
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{
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current_height = core_storage->get_current_blockchain_height();
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update_current_emission_amount();
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save_current_emission_amount();
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if (searched_blk_no < current_height - 1000)
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{
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std::this_thread::sleep_for(std::chrono::seconds(1));
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}
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else
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{
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std::this_thread::sleep_for(std::chrono::seconds(60));
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}
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}
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}};
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is_running = true;
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}
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}
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void
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CurrentBlockchainStatus::update_current_emission_amount()
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{
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cout << "updating emission rate: " << current_height << endl;
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uint64_t no_of_blocks_to_search_at_once {1000};
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uint64_t blk_no = searched_blk_no;
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uint64_t end_block = blk_no + no_of_blocks_to_search_at_once;
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uint64_t current_blockchain_height = current_height;
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end_block = end_block > current_blockchain_height ? current_blockchain_height : end_block;
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uint64_t current_emission_amount {0};
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uint64_t current_fee_amount {0};
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while (blk_no < end_block)
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{
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block blk;
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mcore->get_block_by_height(blk_no, blk);
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uint64_t coinbase_amount = get_outs_money_amount(blk.miner_tx);
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std::list<transaction> txs;
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std::list<crypto::hash> missed_txs;
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uint64_t tx_fee_amount = 0;
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core_storage->get_transactions(blk.tx_hashes, txs, missed_txs);
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for(const auto& tx: txs)
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{
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tx_fee_amount += get_tx_fee(tx);
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}
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current_emission_amount += coinbase_amount - tx_fee_amount;
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current_fee_amount += tx_fee_amount;
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++blk_no;
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}
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searched_blk_no = blk_no;
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total_emission_amount += current_emission_amount;
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total_fee_amount += current_fee_amount;
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cout << "blk: " << blk_no
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<< " total_emission_amount: " << xmr_amount_to_str(uint64_t(total_emission_amount))
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<< " total_fee_amount: " << xmr_amount_to_str(uint64_t(total_fee_amount))
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<< endl;
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}
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bool
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CurrentBlockchainStatus::save_current_emission_amount()
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{
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string emmision_saved_file = blockchain_path + output_file;
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ofstream out(emmision_saved_file);
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if( !out )
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{
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cerr << "Couldn't open file." << endl;
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return false;
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}
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uint64_t check_sum = uint64_t(searched_blk_no)
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+ uint64_t(total_emission_amount)
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+ uint64_t(total_fee_amount);
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string out_line = to_string(searched_blk_no)
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+ "," + to_string(total_emission_amount)
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+ "," + to_string(total_fee_amount)
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+ "," + to_string(check_sum);
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out << out_line << flush;
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return true;
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}
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bool
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CurrentBlockchainStatus::load_current_emission_amount()
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{
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string emmision_saved_file = blockchain_path + output_file;
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string last_saved_emmision = xmreg::read(emmision_saved_file);
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if (last_saved_emmision.empty()) {
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cerr << "Couldn't open file." << endl;
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return false;
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}
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vector<string> strs;
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boost::split(strs, last_saved_emmision, boost::is_any_of(","));
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if (strs.empty()) {
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cerr << "Problem spliting string values form emission_amount." << endl;
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return false;
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}
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uint64_t read_check_sum{0};
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try {
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searched_blk_no = boost::lexical_cast<uint64_t>(strs.at(0));
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total_emission_amount = boost::lexical_cast<uint64_t>(strs.at(1));
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total_fee_amount = boost::lexical_cast<uint64_t>(strs.at(2));
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read_check_sum = boost::lexical_cast<uint64_t>(strs.at(3));
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}
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catch (boost::bad_lexical_cast &e) {
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cerr << "Cant parse to number: " << last_saved_emmision << endl;
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return false;
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}
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uint64_t check_sum = uint64_t(searched_blk_no)
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+ uint64_t(total_emission_amount)
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+ uint64_t(total_fee_amount);
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if (read_check_sum != check_sum) {
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cerr << "read_check_sum != check_sum: "
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<< read_check_sum << " != " << check_sum
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<< endl;
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return false;
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}
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return true;
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}
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vector<uint64_t>
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CurrentBlockchainStatus::get_emission_amount()
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{
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uint64_t searched_block = searched_blk_no;
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uint64_t emission_amount = total_emission_amount;
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uint64_t fee_amount = total_fee_amount;
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return {searched_block, emission_amount, fee_amount};
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}
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bool
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CurrentBlockchainStatus::is_thread_running()
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{
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return is_running;
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}
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string CurrentBlockchainStatus::blockchain_path{"/home/mwo/.bitmonero/lmdb"};
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string CurrentBlockchainStatus::output_file {"/emission_amount.txt"};
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string CurrentBlockchainStatus::deamon_url{"http:://127.0.0.1:18081"};
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atomic<uint64_t> CurrentBlockchainStatus::current_height {0};
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atomic<uint64_t> CurrentBlockchainStatus::total_emission_amount {0} ;
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atomic<uint64_t> CurrentBlockchainStatus::total_fee_amount {0} ;
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atomic<uint64_t> CurrentBlockchainStatus::searched_blk_no {0};
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std::thread CurrentBlockchainStatus::m_thread;
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atomic<bool> CurrentBlockchainStatus::is_running {false};
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cryptonote::Blockchain* CurrentBlockchainStatus::core_storage;
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unique_ptr<xmreg::MicroCore> CurrentBlockchainStatus::mcore;
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}
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@ -0,0 +1,73 @@
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//
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// Created by mwo on 16/05/17.
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//
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#ifndef XMRBLOCKS_CURRENTBLOCKCHAINSTATUS_H
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#define XMRBLOCKS_CURRENTBLOCKCHAINSTATUS_H
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#include "MicroCore.h"
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#include <boost/algorithm/string.hpp>
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#include <iostream>
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#include <memory>
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#include <thread>
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#include <mutex>
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#include <atomic>
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namespace xmreg
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{
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using namespace std;
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class CurrentBlockchainStatus
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{
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static string blockchain_path;
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static string output_file;
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static string deamon_url;
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static atomic<uint64_t> current_height;
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static atomic<uint64_t> total_emission_amount;
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static atomic<uint64_t> total_fee_amount;
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static atomic<uint64_t> searched_blk_no;
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static std::thread m_thread;
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static atomic<bool> is_running;
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// make object for accessing the blockchain here
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static unique_ptr<xmreg::MicroCore> mcore;
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static cryptonote::Blockchain *core_storage;
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public:
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static void
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start_monitor_blockchain_thread();
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static bool
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init_monero_blockchain();
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static void
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update_current_emission_amount();
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static bool
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save_current_emission_amount();
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static bool
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load_current_emission_amount();
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static vector<uint64_t>
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get_emission_amount();
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static bool
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is_thread_running();
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};
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}
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#endif //XMRBLOCKS_CURRENTBLOCKCHAINSTATUS_H
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