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https://codeberg.org/anoncontributorxmr/monero.git
synced 2024-11-10 21:23:27 +01:00
update new blockchain to build with new changes
Still need to add in the new checkpointing functionality, as well as touch up a few things, but is okay for now.
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1ffbeb2d2e
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07733f98c0
@ -218,7 +218,7 @@ uint64_t Blockchain::get_current_blockchain_height()
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//------------------------------------------------------------------
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//------------------------------------------------------------------
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//FIXME: possibly move this into the constructor, to avoid accidentally
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//FIXME: possibly move this into the constructor, to avoid accidentally
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// dereferencing a null BlockchainDB pointer
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// dereferencing a null BlockchainDB pointer
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bool Blockchain::init(const std::string& config_folder)
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bool Blockchain::init(const std::string& config_folder, bool testnet)
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{
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{
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CRITICAL_REGION_LOCAL(m_blockchain_lock);
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CRITICAL_REGION_LOCAL(m_blockchain_lock);
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@ -248,15 +248,29 @@ bool Blockchain::init(const std::string& config_folder)
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// if the blockchain is new, add the genesis block
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// if the blockchain is new, add the genesis block
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// this feels kinda kludgy to do it this way, but can be looked at later.
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// this feels kinda kludgy to do it this way, but can be looked at later.
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// TODO: add function to create and store genesis block,
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// taking testnet into account
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if(!m_db->height())
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if(!m_db->height())
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{
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{
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LOG_PRINT_L0("Blockchain not loaded, generating genesis block.");
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LOG_PRINT_L0("Blockchain not loaded, generating genesis block.");
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block bl = boost::value_initialized<block>();
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block bl = boost::value_initialized<block>();
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block_verification_context bvc = boost::value_initialized<block_verification_context>();
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block_verification_context bvc = boost::value_initialized<block_verification_context>();
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generate_genesis_block(bl);
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if (testnet)
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{
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generate_genesis_block(bl, config::testnet::GENESIS_TX, config::testnet::GENESIS_NONCE);
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}
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else
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{
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generate_genesis_block(bl, config::GENESIS_TX, config::GENESIS_NONCE);
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}
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add_new_block(bl, bvc);
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add_new_block(bl, bvc);
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CHECK_AND_ASSERT_MES(!bvc.m_verifivation_failed, false, "Failed to add genesis block to blockchain");
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CHECK_AND_ASSERT_MES(!bvc.m_verifivation_failed, false, "Failed to add genesis block to blockchain");
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}
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}
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// TODO: if blockchain load successful, verify blockchain against both
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// hard-coded and runtime-loaded (and enforced) checkpoints.
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else
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{
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}
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// check how far behind we are
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// check how far behind we are
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uint64_t top_block_timestamp = m_db->get_top_block_timestamp();
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uint64_t top_block_timestamp = m_db->get_top_block_timestamp();
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@ -576,14 +590,12 @@ difficulty_type Blockchain::get_difficulty_for_next_block()
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// This function removes blocks from the blockchain until it gets to the
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// This function removes blocks from the blockchain until it gets to the
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// position where the blockchain switch started and then re-adds the blocks
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// position where the blockchain switch started and then re-adds the blocks
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// that had been removed.
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// that had been removed.
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bool Blockchain::rollback_blockchain_switching(std::list<block>& original_chain)
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bool Blockchain::rollback_blockchain_switching(std::list<block>& original_chain, uint64_t rollback_height)
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{
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{
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CRITICAL_REGION_LOCAL(m_blockchain_lock);
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CRITICAL_REGION_LOCAL(m_blockchain_lock);
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// remove blocks from blockchain until we get back to where we were.
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// remove blocks from blockchain until we get back to where we should be.
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// Conveniently, that's until our top block's hash == the parent block of
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while (m_db->height() != rollback_height)
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// the first block we need to add back.
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while (m_db->top_block_hash() != original_chain.front().prev_id)
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{
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{
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pop_block_from_blockchain();
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pop_block_from_blockchain();
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}
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}
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@ -596,6 +608,11 @@ bool Blockchain::rollback_blockchain_switching(std::list<block>& original_chain)
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CHECK_AND_ASSERT_MES(r && bvc.m_added_to_main_chain, false, "PANIC!!! failed to add (again) block while chain switching during the rollback!");
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CHECK_AND_ASSERT_MES(r && bvc.m_added_to_main_chain, false, "PANIC!!! failed to add (again) block while chain switching during the rollback!");
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}
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}
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LOG_PRINT_L1("Rollback to height " << rollback_height << " was successful.");
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if (original_chain.size())
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{
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LOG_PRINT_L1("Restoration to previous blockchain successful as well.");
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}
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return true;
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return true;
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}
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}
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//------------------------------------------------------------------
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//------------------------------------------------------------------
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@ -640,7 +657,11 @@ bool Blockchain::switch_to_alternative_blockchain(std::list<blocks_ext_by_hash::
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if(!r || !bvc.m_added_to_main_chain)
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if(!r || !bvc.m_added_to_main_chain)
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{
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{
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LOG_PRINT_L0("Failed to switch to alternative blockchain");
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LOG_PRINT_L0("Failed to switch to alternative blockchain");
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rollback_blockchain_switching(disconnected_chain);
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// rollback_blockchain_switching should be moved to two different
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// functions: rollback and apply_chain, but for now we pretend it is
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// just the latter (because the rollback was done above).
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rollback_blockchain_switching(disconnected_chain, m_db->height());
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// FIXME: Why do we keep invalid blocks around? Possibly in case we hear
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// FIXME: Why do we keep invalid blocks around? Possibly in case we hear
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// about them again so we can immediately dismiss them, but needs some
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// about them again so we can immediately dismiss them, but needs some
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@ -1823,7 +1844,8 @@ uint64_t Blockchain::get_adjusted_time()
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return time(NULL);
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return time(NULL);
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}
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}
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//------------------------------------------------------------------
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//------------------------------------------------------------------
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bool Blockchain::check_block_timestamp(const std::vector<uint64_t>& timestamps, const block& b)
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//TODO: revisit, has changed a bit on upstream
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bool Blockchain::check_block_timestamp(std::vector<uint64_t>& timestamps, const block& b)
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{
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{
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uint64_t median_ts = epee::misc_utils::median(timestamps);
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uint64_t median_ts = epee::misc_utils::median(timestamps);
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@ -81,8 +81,7 @@ namespace cryptonote
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Blockchain(tx_memory_pool& tx_pool);
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Blockchain(tx_memory_pool& tx_pool);
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bool init() { return init(tools::get_default_data_dir()); }
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bool init(const std::string& config_folder, bool testnet = false);
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bool init(const std::string& config_folder);
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bool deinit();
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bool deinit();
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void set_checkpoints(checkpoints&& chk_pts) { m_checkpoints = chk_pts; }
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void set_checkpoints(checkpoints&& chk_pts) { m_checkpoints = chk_pts; }
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@ -189,7 +188,7 @@ namespace cryptonote
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bool prevalidate_miner_transaction(const block& b, uint64_t height);
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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_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 validate_transaction(const block& b, uint64_t height, const transaction& tx);
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bool rollback_blockchain_switching(std::list<block>& original_chain);
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bool rollback_blockchain_switching(std::list<block>& original_chain, uint64_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 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 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 pop_transaction_from_global_index(const transaction& tx, const crypto::hash& tx_id);
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@ -199,7 +198,7 @@ namespace cryptonote
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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& 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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bool add_block_as_invalid(const block_extended_info& bei, const crypto::hash& h);
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bool check_block_timestamp(const block& b);
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bool check_block_timestamp(const block& b);
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bool check_block_timestamp(const std::vector<uint64_t>& timestamps, 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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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 complete_timestamps_vector(uint64_t start_height, std::vector<uint64_t>& timestamps);
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bool update_next_cumulative_size_limit();
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bool update_next_cumulative_size_limit();
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