mirror of
https://git.wownero.com/wownero/onion-wownero-blockchain-explorer.git
synced 2024-08-15 00:33:12 +00:00
index2() added
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parent
245471d418
commit
6d84e1e7a5
3 changed files with 153 additions and 4 deletions
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@ -32,10 +32,12 @@ namespace xmreg
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* Initialize m_blockchain_storage with the BlockchainLMDB object.
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*/
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bool
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MicroCore::init(const string& blockchain_path)
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MicroCore::init(const string& _blockchain_path)
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{
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int db_flags = 0;
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blockchain_path = _blockchain_path;
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//db_flags |= MDB_RDONLY;
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//db_flags |= MDB_NOLOCK;
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//db_flags |= MDB_SYNC;
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@ -45,7 +47,7 @@ namespace xmreg
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db_flags = DEFAULT_FLAGS;
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BlockchainDB* db = nullptr;
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db = new BlockchainLMDB();
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db = new BlockchainLMDB();
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try
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{
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@ -322,5 +324,10 @@ namespace xmreg
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return true;
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}
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string
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MicroCore::get_blkchain_path()
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{
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return blockchain_path;
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}
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}
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@ -28,6 +28,8 @@ namespace xmreg
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*/
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class MicroCore {
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string blockchain_path;
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tx_memory_pool m_mempool;
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Blockchain m_blockchain_storage;
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@ -35,7 +37,7 @@ namespace xmreg
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MicroCore();
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bool
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init(const string& blockchain_path);
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init(const string& _blockchain_path);
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Blockchain&
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get_core();
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@ -64,6 +66,9 @@ namespace xmreg
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uint64_t
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get_blk_timestamp(uint64_t blk_height);
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string
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get_blkchain_path();
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virtual ~MicroCore();
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};
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139
src/page.h
139
src/page.h
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@ -27,6 +27,7 @@
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#define TMPL_DIR "./templates"
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#define TMPL_PARIALS_DIR TMPL_DIR "/partials"
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#define TMPL_INDEX TMPL_DIR "/index.html"
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#define TMPL_INDEX2 TMPL_DIR "/index2.html"
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#define TMPL_MEMPOOL TMPL_DIR "/mempool.html"
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#define TMPL_HEADER TMPL_DIR "/header.html"
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#define TMPL_FOOTER TMPL_DIR "/footer.html"
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@ -194,6 +195,13 @@ namespace xmreg {
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}
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/**
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* @brief Show recent blocks and mempool
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* @param page_no block page to show
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* @param refresh_page enable autorefresh
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* @return rendered index page
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*/
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string
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index(uint64_t page_no = 0, bool refresh_page = false)
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{
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@ -377,6 +385,135 @@ namespace xmreg {
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}
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/**
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* @brief show recent transactions and mempool
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* @param page_no block page to show
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* @param refresh_page enable autorefresh
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* @return rendered index page
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*/
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string
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index2(uint64_t page_no = 0, bool refresh_page = false)
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{
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//get current server timestamp
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server_timestamp = std::time(nullptr);
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// number of last blocks to show
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uint64_t no_of_last_blocks {20 + 1};
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// get the current blockchain height. Just to check
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uint64_t height =
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xmreg::MyLMDB::get_blockchain_height(mcore->get_blkchain_path());
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// initalise page tempate map with basic info about blockchain
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mstch::map context {
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{"refresh" , refresh_page},
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{"height" , std::to_string(height)},
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{"server_timestamp", xmreg::timestamp_to_str(server_timestamp)},
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{"age_format" , string("[h:m:d]")},
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{"page_no" , std::to_string(page_no)},
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{"total_page_no" , std::to_string(height / (no_of_last_blocks))},
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{"is_page_zero" , !bool(page_no)},
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{"next_page" , std::to_string(page_no + 1)},
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{"prev_page" , std::to_string((page_no > 0 ? page_no - 1 : 0))},
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{"txs" , mstch::array()}, // will keep tx to show
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};
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// get reference to txs mstch map to be field below
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mstch::array& txs = boost::get<mstch::array>(context["txs"]);
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// calculate starting and ending block numbers to show
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uint64_t start_height = height - no_of_last_blocks * (page_no + 1);
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uint64_t end_height = height - no_of_last_blocks * (page_no);
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// previous blk timestamp, initalised to lowest possible value
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double prev_blk_timestamp {std::numeric_limits<double>::lowest()};
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// iterate over last no_of_last_blocks of blocks
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for (uint64_t i = start_height; i <= end_height; ++i)
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{
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// get block at the given height i
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block blk;
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if (!mcore->get_block_by_height(i, blk))
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{
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cerr << "Cant get block: " << i << endl;
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continue;
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}
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// get block age
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pair<string, string> age = get_age(server_timestamp, blk.timestamp);
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context["age_format"] = age.second;
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// get time difference [m] between previous and current blocks
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string time_delta_str {};
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if (prev_blk_timestamp > std::numeric_limits<double>::lowest())
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{
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time_delta_str = fmt::format("{:0.2f}",
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(double(blk.timestamp) - double(prev_blk_timestamp))/60.0);
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}
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// get all transactions in the block found
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// initialize the first list with transaction for solving
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// the block i.e. coinbase.
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list<cryptonote::transaction> blk_txs {blk.miner_tx};
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list<crypto::hash> missed_txs;
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if (!core_storage->get_transactions(blk.tx_hashes, blk_txs, missed_txs))
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{
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cerr << "Cant get transactions in block: " << i << endl;
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continue;
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}
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for (const cryptonote::transaction& tx : blk_txs)
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{
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tx_details txd = get_tx_details(tx);
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mstch::map txd_map = txd.get_mstch_map();
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//add age to the txd mstch map
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txd_map.insert({"time_delta", time_delta_str});
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txd_map.insert({"age" , age.first});
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txs.push_back(txd_map);
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}
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} // for (uint64_t i = start_height; i <= end_height; ++i)
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// reverse txs and remove last (i.e., oldest)
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// tx. This is done so that time delats
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// are easier to calcualte in the above for loop
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std::reverse(txs.begin(), txs.end());
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// if we look at the genesis time, we should not remove
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// the last block, i.e. genesis one.
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if (!(start_height < 2))
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{
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txs.pop_back();
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}
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// get memory pool rendered template
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string mempool_html = mempool();
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// append mempool_html to the index context map
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context["mempool_info"] = mempool_html;
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// read index.html
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string index_html = xmreg::read(TMPL_INDEX2);
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// add header and footer
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string full_page = get_full_page(index_html);
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// render the page
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return mstch::render(full_page, context);
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}
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string
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mempool()
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{
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@ -550,7 +687,7 @@ namespace xmreg {
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// timescale representation for each tx in the block
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vector<string> mixin_timescales_str;
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// for each transaction in the memory pool
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// for each transaction in the block
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for (size_t i = 0; i < blk.tx_hashes.size(); ++i)
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{
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// get transaction info of the tx in the mempool
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