300 lines
14 KiB
C++
300 lines
14 KiB
C++
// Copyright (c) 2012-2013 The Cryptonote developers
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// Distributed under the MIT/X11 software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#pragma once
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#include <boost/serialization/serialization.hpp>
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#include <boost/serialization/version.hpp>
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#include <boost/serialization/list.hpp>
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#include <boost/multi_index_container.hpp>
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#include <boost/multi_index/global_fun.hpp>
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#include <boost/multi_index/hashed_index.hpp>
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#include <boost/multi_index/member.hpp>
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#include <boost/foreach.hpp>
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#include <atomic>
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#include "tx_pool.h"
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#include "cryptonote_basic.h"
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#include "common/util.h"
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#include "cryptonote_protocol/cryptonote_protocol_defs.h"
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#include "rpc/core_rpc_server_commands_defs.h"
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#include "difficulty.h"
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#include "cryptonote_core/cryptonote_format_utils.h"
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#include "verification_context.h"
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#include "crypto/hash.h"
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#include "checkpoints.h"
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namespace cryptonote
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{
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/************************************************************************/
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/* */
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/************************************************************************/
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class blockchain_storage
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{
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public:
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struct transaction_chain_entry
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{
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transaction tx;
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uint64_t m_keeper_block_height;
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size_t m_blob_size;
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std::vector<uint64_t> m_global_output_indexes;
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};
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struct block_extended_info
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{
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block bl;
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uint64_t height;
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size_t block_cumulative_size;
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difficulty_type cumulative_difficulty;
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uint64_t already_generated_coins;
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};
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blockchain_storage(tx_memory_pool& tx_pool):m_tx_pool(tx_pool), m_current_block_comul_sz_limit(0), m_is_in_checkpoint_zone(false)
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{};
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bool init() { return init(tools::get_default_data_dir()); }
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bool init(const std::string& config_folder);
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bool deinit();
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void set_checkpoints(checkpoints&& chk_pts) { m_checkpoints = chk_pts; }
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//bool push_new_block();
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bool get_blocks(uint64_t start_offset, size_t count, std::list<block>& blocks, std::list<transaction>& txs);
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bool get_blocks(uint64_t start_offset, size_t count, std::list<block>& blocks);
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bool get_alternative_blocks(std::list<block>& blocks);
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//bool get_orphaned_blocks(std::list<block>& orphaned_by_prev_id, std::list<block>& orphaned_by_tx);
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//size_t get_orphaned_by_prev_blocks_count();
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//size_t get_orphaned_by_tx_blocks_count();
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size_t get_alternative_blocks_count();
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crypto::hash get_block_id_by_height(uint64_t height);
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bool get_block_by_hash(const crypto::hash &h, block &blk);
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void get_all_known_block_ids(std::list<crypto::hash> &main, std::list<crypto::hash> &alt, std::list<crypto::hash> &invalid);
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template<class archive_t>
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void serialize(archive_t & ar, const unsigned int version);
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bool have_tx(const crypto::hash &id);
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bool have_tx_keyimges_as_spent(const transaction &tx);
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bool have_tx_keyimg_as_spent(const crypto::key_image &key_im);
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transaction *get_tx(const crypto::hash &id);
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template<class visitor_t>
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bool scan_outputkeys_for_indexes(const txin_to_key& tx_in_to_key, visitor_t& vis, uint64_t* pmax_related_block_height = NULL);
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uint64_t get_current_blockchain_height();
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crypto::hash get_tail_id();
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crypto::hash get_tail_id(uint64_t& height);
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difficulty_type get_difficulty_for_next_block();
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bool add_new_block(const block& bl_, block_verification_context& bvc);
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bool reset_and_set_genesis_block(const block& b);
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bool create_block_template(block& b, const account_public_address& miner_address, difficulty_type& di, uint64_t& height, const blobdata& ex_nonce);
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bool have_block(const crypto::hash& id);
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size_t get_total_transactions();
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bool get_outs(uint64_t amount, std::list<crypto::public_key>& pkeys);
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bool get_short_chain_history(std::list<crypto::hash>& ids);
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bool find_blockchain_supplement(const std::list<crypto::hash>& qblock_ids, NOTIFY_RESPONSE_CHAIN_ENTRY::request& resp);
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bool find_blockchain_supplement(const std::list<crypto::hash>& qblock_ids, uint64_t& starter_offset);
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bool find_blockchain_supplement(const std::list<crypto::hash>& qblock_ids, std::list<std::pair<block, std::list<transaction> > >& blocks, uint64_t& total_height, uint64_t& start_height, size_t max_count);
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//bool get_chain_entry(const NOTIFY_REQUEST_CHAIN_ENTRY::request& req, NOTIFY_RESPONSE_CHAIN_ENTRY::request& resp);
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bool handle_get_objects(NOTIFY_REQUEST_GET_OBJECTS::request& arg, NOTIFY_RESPONSE_GET_OBJECTS::request& rsp);
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bool handle_get_objects(const COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::request& req, COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::response& res);
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bool get_random_outs_for_amounts(const COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::request& req, COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::response& res);
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//bool get_outs_for_amounts(uint64_t amount, std::vector<std::pair<crypto::hash, size_t> >& keys, std::map<crypto::hash, transaction>& txs);
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bool get_backward_blocks_sizes(size_t from_height, std::vector<size_t>& sz, size_t count);
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bool get_tx_outputs_gindexs(const crypto::hash& tx_id, std::vector<uint64_t>& indexs);
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bool store_blockchain();
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bool check_tx_input(const txin_to_key& txin, const crypto::hash& tx_prefix_hash, const std::vector<crypto::signature>& sig, uint64_t* pmax_related_block_height = NULL);
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bool check_tx_inputs(const transaction& tx, const crypto::hash& tx_prefix_hash, uint64_t* pmax_used_block_height = NULL);
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bool check_tx_inputs(const transaction& tx, uint64_t* pmax_used_block_height = NULL);
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bool check_tx_inputs(const transaction& tx, uint64_t& pmax_used_block_height, crypto::hash& max_used_block_id);
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uint64_t get_current_comulative_blocksize_limit();
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bool is_storing_blockchain(){return m_is_blockchain_storing;}
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template<class t_ids_container, class t_blocks_container, class t_missed_container>
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bool get_blocks(const t_ids_container& block_ids, t_blocks_container& blocks, t_missed_container& missed_bs)
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{
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CRITICAL_REGION_LOCAL(m_blockchain_lock);
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BOOST_FOREACH(const auto& bl_id, block_ids)
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{
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auto it = m_blocks_index.find(bl_id);
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if(it == m_blocks_index.end())
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missed_bs.push_back(bl_id);
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else
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{
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CHECK_AND_ASSERT_MES(it->second < m_blocks.size(), false, "Internal error: bl_id=" << string_tools::pod_to_hex(bl_id)
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<< " have index record with offset="<<it->second<< ", bigger then m_blocks.size()=" << m_blocks.size());
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blocks.push_back(m_blocks[it->second].bl);
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}
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}
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return true;
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}
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template<class t_ids_container, class t_tx_container, class t_missed_container>
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bool get_transactions(const t_ids_container& txs_ids, t_tx_container& txs, t_missed_container& missed_txs)
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{
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CRITICAL_REGION_LOCAL(m_blockchain_lock);
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BOOST_FOREACH(const auto& tx_id, txs_ids)
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{
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auto it = m_transactions.find(tx_id);
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if(it == m_transactions.end())
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{
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transaction tx;
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if(!m_tx_pool.get_transaction(tx_id, tx))
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missed_txs.push_back(tx_id);
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else
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txs.push_back(tx);
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}
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else
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txs.push_back(it->second.tx);
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}
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return true;
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}
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//debug functions
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void print_blockchain(uint64_t start_index, uint64_t end_index);
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void print_blockchain_index();
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void print_blockchain_outs(const std::string& file);
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private:
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typedef std::unordered_map<crypto::hash, size_t> blocks_by_id_index;
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typedef std::unordered_map<crypto::hash, transaction_chain_entry> transactions_container;
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typedef std::unordered_set<crypto::key_image> key_images_container;
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typedef std::vector<block_extended_info> blocks_container;
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typedef std::unordered_map<crypto::hash, block_extended_info> blocks_ext_by_hash;
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typedef std::unordered_map<crypto::hash, block> blocks_by_hash;
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typedef std::map<uint64_t, std::vector<std::pair<crypto::hash, size_t>>> outputs_container; //crypto::hash - tx hash, size_t - index of out in transaction
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tx_memory_pool& m_tx_pool;
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critical_section m_blockchain_lock; // TODO: add here reader/writer lock
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// main chain
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blocks_container m_blocks; // height -> block_extended_info
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blocks_by_id_index m_blocks_index; // crypto::hash -> height
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transactions_container m_transactions;
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key_images_container m_spent_keys;
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size_t m_current_block_comul_sz_limit;
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// all alternative chains
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blocks_ext_by_hash m_alternative_chains; // crypto::hash -> block_extended_info
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// some invalid blocks
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blocks_ext_by_hash m_invalid_blocks; // crypto::hash -> block_extended_info
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outputs_container m_outputs;
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std::string m_config_folder;
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checkpoints m_checkpoints;
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std::atomic<bool> m_is_in_checkpoint_zone;
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std::atomic<bool> m_is_blockchain_storing;
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bool switch_to_alternative_blockchain(std::list<blocks_ext_by_hash::iterator>& alt_chain);
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bool pop_block_from_blockchain();
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bool purge_block_data_from_blockchain(const block& b, size_t processed_tx_count);
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bool purge_transaction_from_blockchain(const crypto::hash& tx_id);
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bool purge_transaction_keyimages_from_blockchain(const transaction& tx, bool strict_check);
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bool handle_block_to_main_chain(const block& bl, block_verification_context& bvc);
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bool handle_block_to_main_chain(const block& bl, const crypto::hash& id, block_verification_context& bvc);
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bool handle_alternative_block(const block& b, const crypto::hash& id, block_verification_context& bvc);
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//bool handle_block_as_orphaned(const block& b, const crypto::hash& id, block_verification_context& bvc);
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difficulty_type get_next_difficulty_for_alternative_chain(const std::list<blocks_ext_by_hash::iterator>& alt_chain, block_extended_info& bei);
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bool prevalidate_miner_transaction(const block& b, uint64_t height);
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bool validate_miner_transaction(const block& b, size_t cumulative_block_size, uint64_t fee, uint64_t& base_reward, uint64_t already_generated_coins);
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bool validate_transaction(const block& b, uint64_t height, const transaction& tx);
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//bool add_block_to_orphaned_by_tx(const block& bl, const crypto::hash& h);
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//bool finish_forward_orphaned_chain(std::list< orphans_indexed_container::index<by_id>::type::iterator >& orph_chain);
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bool rollback_blockchain_switching(std::list<block>& original_chain, size_t rollback_height);
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bool add_transaction_from_block(const transaction& tx, const crypto::hash& tx_id, const crypto::hash& bl_id, uint64_t bl_height);
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bool push_transaction_to_global_outs_index(const transaction& tx, const crypto::hash& tx_id, std::vector<uint64_t>& global_indexes);
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bool pop_transaction_from_global_index(const transaction& tx, const crypto::hash& tx_id);
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//bool review_orphaned_blocks_with_new_block_id(const crypto::hash& id, bool main_chain);
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//void review_orphaned_blocks_finisher();
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bool get_last_n_blocks_sizes(std::vector<size_t>& sz, size_t count);
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bool add_out_to_get_random_outs(std::vector<std::pair<crypto::hash, size_t> >& amount_outs, COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::outs_for_amount& result_outs, uint64_t amount, size_t i);
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bool is_tx_spendtime_unlocked(uint64_t unlock_time);
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bool add_block_as_invalid(const block& bl, const crypto::hash& h);
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bool add_block_as_invalid(const block_extended_info& bei, const crypto::hash& h);
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size_t find_end_of_allowed_index(const std::vector<std::pair<crypto::hash, size_t> >& amount_outs);
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uint64_t block_difficulty(size_t i);
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bool check_block_timestamp_main(const block& b);
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bool check_block_timestamp(std::vector<uint64_t> timestamps, const block& b);
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uint64_t get_adjusted_time();
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bool complete_timestamps_vector(uint64_t start_height, std::vector<uint64_t>& timestamps);
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bool update_next_comulative_size_limit();
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};
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/************************************************************************/
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/* */
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/************************************************************************/
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#define CURRENT_BLOCKCHAIN_STORAGE_ARCHIVE_VER 11
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template<class archive_t>
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void blockchain_storage::serialize(archive_t & ar, const unsigned int version)
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{
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if(version < CURRENT_BLOCKCHAIN_STORAGE_ARCHIVE_VER)
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return;
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CRITICAL_REGION_LOCAL(m_blockchain_lock);
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ar & m_blocks;
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ar & m_blocks_index;
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ar & m_transactions;
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ar & m_spent_keys;
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ar & m_alternative_chains;
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ar & m_outputs;
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ar & m_invalid_blocks;
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ar & m_current_block_comul_sz_limit;
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}
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//------------------------------------------------------------------
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template<class visitor_t>
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bool blockchain_storage::scan_outputkeys_for_indexes(const txin_to_key& tx_in_to_key, visitor_t& vis, uint64_t* pmax_related_block_height)
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{
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auto it = m_outputs.find(tx_in_to_key.amount);
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if(it == m_outputs.end() || !tx_in_to_key.key_offsets.size())
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return false;
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std::vector<uint64_t> absolute_offsets = relative_output_offsets_to_absolute(tx_in_to_key.key_offsets);
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std::vector<std::pair<crypto::hash, size_t> >& amount_outs_vec = it->second;
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size_t count = 0;
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BOOST_FOREACH(uint64_t i, absolute_offsets)
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{
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if(i >= amount_outs_vec.size() )
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{
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LOG_PRINT_L0("Wrong index in transaction inputs: " << i << ", expected maximum " << amount_outs_vec.size() - 1);
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return false;
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}
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transactions_container::iterator tx_it = m_transactions.find(amount_outs_vec[i].first);
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CHECK_AND_ASSERT_MES(tx_it != m_transactions.end(), false, "Wrong transaction id in output indexes: " <<string_tools::pod_to_hex(amount_outs_vec[i].first));
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CHECK_AND_ASSERT_MES(amount_outs_vec[i].second < tx_it->second.tx.vout.size(), false,
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"Wrong index in transaction outputs: " << amount_outs_vec[i].second << ", expected less then " << tx_it->second.tx.vout.size());
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if(!vis.handle_output(tx_it->second.tx, tx_it->second.tx.vout[amount_outs_vec[i].second]))
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{
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LOG_PRINT_L0("Failed to handle_output for output no = " << count << ", with absolute offset " << i);
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return false;
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}
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if(count++ == absolute_offsets.size()-1 && pmax_related_block_height)
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{
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if(*pmax_related_block_height < tx_it->second.m_keeper_block_height)
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*pmax_related_block_height = tx_it->second.m_keeper_block_height;
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}
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}
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return true;
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}
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}
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BOOST_CLASS_VERSION(cryptonote::blockchain_storage, CURRENT_BLOCKCHAIN_STORAGE_ARCHIVE_VER)
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