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244 lines
5.0 KiB
244 lines
5.0 KiB
//
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// Created by mwo on 5/11/15.
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//
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#include "MicroCore.h"
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namespace xmreg
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{
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/**
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* The constructor is interesting, as
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* m_mempool and m_blockchain_storage depend
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* on each other.
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*
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* So basically m_mempool is initialized with
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* reference to Blockchain (i.e., Blockchain&)
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* and m_blockchain_storage is initialized with
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* reference to m_mempool (i.e., tx_memory_pool&)
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*
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* The same is done in cryptonode::core.
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*/
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MicroCore::MicroCore():
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m_mempool(core_storage),
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core_storage(m_mempool),
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m_device {&hw::get_device("default")}
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{
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}
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/**
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* Initialized the MicroCore object.
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*
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* Create BlockchainLMDB on the heap.
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* Open database files located in blockchain_path.
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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, network_type nt)
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{
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blockchain_path = _blockchain_path;
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nettype = nt;
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std::unique_ptr<BlockchainDB> db = std::make_unique<BlockchainLMDB>();
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try
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{
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// try opening lmdb database files
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db->open(blockchain_path, DBF_RDONLY);
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}
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catch (const std::exception& e)
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{
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cerr << "Error opening database: " << e.what();
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return false;
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}
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// check if the blockchain database
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// is successful opened
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if(!db->is_open())
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return false;
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// initialize Blockchain object to manage
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// the database.
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if (!core_storage.init(db.release(), nettype))
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{
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cerr << "Error opening database: core_storage->init(db, nettype)\n" ;
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return false;
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}
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if (!m_mempool.init())
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{
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cerr << "Error opening database: m_mempool.init()\n" ;
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return false;
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}
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initialization_succeded = true;
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return true;
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}
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/**
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* Get m_blockchain_storage.
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* Initialize m_blockchain_storage with the BlockchainLMDB object.
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*/
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Blockchain const&
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MicroCore::get_core() const
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{
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return core_storage;
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}
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tx_memory_pool const&
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MicroCore::get_mempool() const
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{
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return m_mempool;
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}
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bool
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MicroCore::get_block_from_height(uint64_t height, block& blk) const
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{
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try
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{
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blk = core_storage.get_db().get_block_from_height(height);
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}
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catch (const exception& e)
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{
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cerr << e.what() << 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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bool
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MicroCore::get_block_complete_entry(block const& b, block_complete_entry& bce)
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{
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bce.block = cryptonote::block_to_blob(b);
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for (const auto &tx_hash: b.tx_hashes)
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{
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transaction tx;
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if (!get_tx(tx_hash, tx))
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return false;
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cryptonote::blobdata txblob = tx_to_blob(tx);
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bce.txs.push_back(txblob);
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}
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return true;
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}
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bool
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MicroCore::get_tx(crypto::hash const& tx_hash, transaction& tx) const
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{
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if (core_storage.have_tx(tx_hash))
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{
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// get transaction with given hash
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tx = core_storage.get_db().get_tx(tx_hash);
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return true;
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}
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return true;
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}
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bool
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MicroCore::get_output_histogram(
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vector<uint64_t> const& amounts,
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uint64_t min_count,
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histogram_map& histogram,
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bool unlocked,
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uint64_t recent_cutoff) const
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{
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try
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{
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histogram = core_storage.get_output_histogram(
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amounts,
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unlocked,
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recent_cutoff,
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min_count);
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}
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catch (std::exception const& e)
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{
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cerr << e.what() << 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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bool
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MicroCore::get_output_histogram(
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COMMAND_RPC_GET_OUTPUT_HISTOGRAM::request const& req,
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COMMAND_RPC_GET_OUTPUT_HISTOGRAM::response& res) const
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{
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// based on bool core_rpc_server::on_get_output_histogram(const ...
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MicroCore::histogram_map histogram;
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if (!get_output_histogram(req.amounts,
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req.min_count,
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histogram,
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req.unlocked,
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req.recent_cutoff))
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{
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return false;
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}
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res.histogram.clear();
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res.histogram.reserve(histogram.size());
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for (auto const& i: histogram)
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{
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if (std::get<0>(i.second)
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>= req.min_count
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&& (std::get<0>(i.second) <= req.max_count
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|| req.max_count == 0))
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res.histogram.push_back(
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COMMAND_RPC_GET_OUTPUT_HISTOGRAM::entry(
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i.first,
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std::get<0>(i.second),
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std::get<1>(i.second),
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std::get<2>(i.second)));
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}
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res.status = CORE_RPC_STATUS_OK;
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return true;
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}
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hw::device* const
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MicroCore::get_device() const
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{
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return m_device;
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}
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bool
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MicroCore::init_success() const
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{
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return initialization_succeded;
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}
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//MicroCore::~MicroCore()
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//{
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// //cout << "\n\nMicroCore::~MicroCore()\n\n";
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// if (initialization_succeded)
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// {
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// //core_storage.get_db().safesyncmode(true);
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// if (core_storage.get_db().is_open())
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// core_storage.get_db().close();
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// //cout << "\n\n core_storage.get_db().close();;\n\n";
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// }
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//}
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}
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