// Copyright (c) 2014, The Monero Project // // All rights reserved. // // Redistribution and use in source and binary forms, with or without modification, are // permitted provided that the following conditions are met: // // 1. Redistributions of source code must retain the above copyright notice, this list of // conditions and the following disclaimer. // // 2. Redistributions in binary form must reproduce the above copyright notice, this list // of conditions and the following disclaimer in the documentation and/or other // materials provided with the distribution. // // 3. Neither the name of the copyright holder nor the names of its contributors may be // used to endorse or promote products derived from this software without specific // prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF // MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL // THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, // STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF // THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // // Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers #include #include "include_base_utils.h" using namespace epee; #include "core_rpc_server.h" #include "common/command_line.h" #include "cryptonote_core/cryptonote_format_utils.h" #include "cryptonote_core/account.h" #include "cryptonote_core/cryptonote_basic_impl.h" #include "misc_language.h" #include "crypto/hash.h" #include "core_rpc_server_error_codes.h" namespace cryptonote { namespace { const command_line::arg_descriptor arg_rpc_bind_ip = { "rpc-bind-ip" , "IP for RPC server" , "127.0.0.1" }; const command_line::arg_descriptor arg_rpc_bind_port = { "rpc-bind-port" , "Port for RPC server" , std::to_string(config::RPC_DEFAULT_PORT) }; const command_line::arg_descriptor arg_testnet_rpc_bind_port = { "testnet-rpc-bind-port" , "Port for testnet RPC server" , std::to_string(config::testnet::RPC_DEFAULT_PORT) }; } //----------------------------------------------------------------------------------- void core_rpc_server::init_options(boost::program_options::options_description& desc) { command_line::add_arg(desc, arg_rpc_bind_ip); command_line::add_arg(desc, arg_rpc_bind_port); command_line::add_arg(desc, arg_testnet_rpc_bind_port); } //------------------------------------------------------------------------------------------------------------------------------ core_rpc_server::core_rpc_server( core& cr , nodetool::node_server >& p2p , bool testnet ) : m_core(cr) , m_p2p(p2p) , m_testnet(testnet) {} //------------------------------------------------------------------------------------------------------------------------------ bool core_rpc_server::handle_command_line( const boost::program_options::variables_map& vm ) { auto p2p_bind_arg = m_testnet ? arg_testnet_rpc_bind_port : arg_rpc_bind_port; m_bind_ip = command_line::get_arg(vm, arg_rpc_bind_ip); m_port = command_line::get_arg(vm, p2p_bind_arg); return true; } //------------------------------------------------------------------------------------------------------------------------------ bool core_rpc_server::init( const boost::program_options::variables_map& vm ) { m_net_server.set_threads_prefix("RPC"); bool r = handle_command_line(vm); CHECK_AND_ASSERT_MES(r, false, "Failed to process command line in core_rpc_server"); return epee::http_server_impl_base::init(m_port, m_bind_ip); } //------------------------------------------------------------------------------------------------------------------------------ bool core_rpc_server::check_core_busy() { if(m_p2p.get_payload_object().get_core().get_blockchain_storage().is_storing_blockchain()) { return false; } return true; } #define CHECK_CORE_BUSY() if(!check_core_busy()){res.status = CORE_RPC_STATUS_BUSY;return true;} //------------------------------------------------------------------------------------------------------------------------------ bool core_rpc_server::check_core_ready() { if(!m_p2p.get_payload_object().is_synchronized()) { return false; } return check_core_busy(); } #define CHECK_CORE_READY() if(!check_core_ready()){res.status = CORE_RPC_STATUS_BUSY;return true;} //------------------------------------------------------------------------------------------------------------------------------ bool core_rpc_server::on_get_height(const COMMAND_RPC_GET_HEIGHT::request& req, COMMAND_RPC_GET_HEIGHT::response& res, connection_context& cntx) { CHECK_CORE_BUSY(); res.height = m_core.get_current_blockchain_height(); res.status = CORE_RPC_STATUS_OK; return true; } //------------------------------------------------------------------------------------------------------------------------------ bool core_rpc_server::on_get_info(const COMMAND_RPC_GET_INFO::request& req, COMMAND_RPC_GET_INFO::response& res, connection_context& cntx) { CHECK_CORE_BUSY(); res.height = m_core.get_current_blockchain_height(); res.target_height = m_core.get_target_blockchain_height(); res.difficulty = m_core.get_blockchain_storage().get_difficulty_for_next_block(); res.tx_count = m_core.get_blockchain_storage().get_total_transactions() - res.height; //without coinbase res.tx_pool_size = m_core.get_pool_transactions_count(); res.alt_blocks_count = m_core.get_blockchain_storage().get_alternative_blocks_count(); uint64_t total_conn = m_p2p.get_connections_count(); res.outgoing_connections_count = m_p2p.get_outgoing_connections_count(); res.incoming_connections_count = total_conn - res.outgoing_connections_count; res.white_peerlist_size = m_p2p.get_peerlist_manager().get_white_peers_count(); res.grey_peerlist_size = m_p2p.get_peerlist_manager().get_gray_peers_count(); res.status = CORE_RPC_STATUS_OK; return true; } //------------------------------------------------------------------------------------------------------------------------------ bool core_rpc_server::on_get_blocks(const COMMAND_RPC_GET_BLOCKS_FAST::request& req, COMMAND_RPC_GET_BLOCKS_FAST::response& res, connection_context& cntx) { CHECK_CORE_BUSY(); std::list > > bs; if(!m_core.find_blockchain_supplement(req.start_height, req.block_ids, bs, res.current_height, res.start_height, COMMAND_RPC_GET_BLOCKS_FAST_MAX_COUNT)) { res.status = "Failed"; return false; } BOOST_FOREACH(auto& b, bs) { res.blocks.resize(res.blocks.size()+1); res.blocks.back().block = block_to_blob(b.first); BOOST_FOREACH(auto& t, b.second) { res.blocks.back().txs.push_back(tx_to_blob(t)); } } res.status = CORE_RPC_STATUS_OK; return true; } //------------------------------------------------------------------------------------------------------------------------------ bool core_rpc_server::on_get_random_outs(const COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::request& req, COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::response& res, connection_context& cntx) { CHECK_CORE_BUSY(); res.status = "Failed"; if(!m_core.get_random_outs_for_amounts(req, res)) { return true; } res.status = CORE_RPC_STATUS_OK; std::stringstream ss; typedef COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::outs_for_amount outs_for_amount; typedef COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::out_entry out_entry; std::for_each(res.outs.begin(), res.outs.end(), [&](outs_for_amount& ofa) { ss << "[" << ofa.amount << "]:"; CHECK_AND_ASSERT_MES(ofa.outs.size(), ;, "internal error: ofa.outs.size() is empty for amount " << ofa.amount); std::for_each(ofa.outs.begin(), ofa.outs.end(), [&](out_entry& oe) { ss << oe.global_amount_index << " "; }); ss << ENDL; }); std::string s = ss.str(); LOG_PRINT_L2("COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS: " << ENDL << s); res.status = CORE_RPC_STATUS_OK; return true; } //------------------------------------------------------------------------------------------------------------------------------ bool core_rpc_server::on_get_indexes(const COMMAND_RPC_GET_TX_GLOBAL_OUTPUTS_INDEXES::request& req, COMMAND_RPC_GET_TX_GLOBAL_OUTPUTS_INDEXES::response& res, connection_context& cntx) { CHECK_CORE_BUSY(); bool r = m_core.get_tx_outputs_gindexs(req.txid, res.o_indexes); if(!r) { res.status = "Failed"; return true; } res.status = CORE_RPC_STATUS_OK; LOG_PRINT_L2("COMMAND_RPC_GET_TX_GLOBAL_OUTPUTS_INDEXES: [" << res.o_indexes.size() << "]"); return true; } //------------------------------------------------------------------------------------------------------------------------------ bool core_rpc_server::on_get_transactions(const COMMAND_RPC_GET_TRANSACTIONS::request& req, COMMAND_RPC_GET_TRANSACTIONS::response& res, connection_context& cntx) { CHECK_CORE_BUSY(); std::vector vh; BOOST_FOREACH(const auto& tx_hex_str, req.txs_hashes) { blobdata b; if(!string_tools::parse_hexstr_to_binbuff(tx_hex_str, b)) { res.status = "Failed to parse hex representation of transaction hash"; return true; } if(b.size() != sizeof(crypto::hash)) { res.status = "Failed, size of data mismatch"; } vh.push_back(*reinterpret_cast(b.data())); } std::list missed_txs; std::list txs; bool r = m_core.get_transactions(vh, txs, missed_txs); if(!r) { res.status = "Failed"; return true; } BOOST_FOREACH(auto& tx, txs) { blobdata blob = t_serializable_object_to_blob(tx); res.txs_as_hex.push_back(string_tools::buff_to_hex_nodelimer(blob)); } BOOST_FOREACH(const auto& miss_tx, missed_txs) { res.missed_tx.push_back(string_tools::pod_to_hex(miss_tx)); } res.status = CORE_RPC_STATUS_OK; return true; } //------------------------------------------------------------------------------------------------------------------------------ bool core_rpc_server::on_send_raw_tx(const COMMAND_RPC_SEND_RAW_TX::request& req, COMMAND_RPC_SEND_RAW_TX::response& res, connection_context& cntx) { CHECK_CORE_READY(); std::string tx_blob; if(!string_tools::parse_hexstr_to_binbuff(req.tx_as_hex, tx_blob)) { LOG_PRINT_L0("[on_send_raw_tx]: Failed to parse tx from hexbuff: " << req.tx_as_hex); res.status = "Failed"; return true; } cryptonote_connection_context fake_context = AUTO_VAL_INIT(fake_context); tx_verification_context tvc = AUTO_VAL_INIT(tvc); if(!m_core.handle_incoming_tx(tx_blob, tvc, false)) { LOG_PRINT_L0("[on_send_raw_tx]: Failed to process tx"); res.status = "Failed"; return true; } if(tvc.m_verifivation_failed) { LOG_PRINT_L0("[on_send_raw_tx]: tx verification failed"); res.status = "Failed"; return true; } if(!tvc.m_should_be_relayed) { LOG_PRINT_L0("[on_send_raw_tx]: tx accepted, but not relayed"); res.status = "Not relayed"; return true; } NOTIFY_NEW_TRANSACTIONS::request r; r.txs.push_back(tx_blob); m_core.get_protocol()->relay_transactions(r, fake_context); //TODO: make sure that tx has reached other nodes here, probably wait to receive reflections from other nodes res.status = CORE_RPC_STATUS_OK; return true; } //------------------------------------------------------------------------------------------------------------------------------ bool core_rpc_server::on_start_mining(const COMMAND_RPC_START_MINING::request& req, COMMAND_RPC_START_MINING::response& res, connection_context& cntx) { CHECK_CORE_READY(); account_public_address adr; if(!get_account_address_from_str(adr, m_testnet, req.miner_address)) { res.status = "Failed, wrong address"; return true; } boost::thread::attributes attrs; attrs.set_stack_size(THREAD_STACK_SIZE); if(!m_core.get_miner().start(adr, static_cast(req.threads_count), attrs)) { res.status = "Failed, mining not started"; return true; } res.status = CORE_RPC_STATUS_OK; return true; } //------------------------------------------------------------------------------------------------------------------------------ bool core_rpc_server::on_stop_mining(const COMMAND_RPC_STOP_MINING::request& req, COMMAND_RPC_STOP_MINING::response& res, connection_context& cntx) { if(!m_core.get_miner().stop()) { res.status = "Failed, mining not stopped"; return true; } res.status = CORE_RPC_STATUS_OK; return true; } //------------------------------------------------------------------------------------------------------------------------------ bool core_rpc_server::on_mining_status(const COMMAND_RPC_MINING_STATUS::request& req, COMMAND_RPC_MINING_STATUS::response& res, connection_context& cntx) { CHECK_CORE_READY(); const miner& lMiner = m_core.get_miner(); res.active = lMiner.is_mining(); if ( lMiner.is_mining() ) { res.speed = lMiner.get_speed(); res.threads_count = lMiner.get_threads_count(); const account_public_address& lMiningAdr = lMiner.get_mining_address(); res.address = get_account_address_as_str(m_testnet, lMiningAdr); } res.status = CORE_RPC_STATUS_OK; return true; } //------------------------------------------------------------------------------------------------------------------------------ bool core_rpc_server::on_save_bc(const COMMAND_RPC_SAVE_BC::request& req, COMMAND_RPC_SAVE_BC::response& res, connection_context& cntx) { CHECK_CORE_BUSY(); if( !m_core.get_blockchain_storage().store_blockchain() ) { res.status = "Error while storing blockhain"; return true; } res.status = CORE_RPC_STATUS_OK; return true; } //------------------------------------------------------------------------------------------------------------------------------ bool core_rpc_server::on_getblockcount(const COMMAND_RPC_GETBLOCKCOUNT::request& req, COMMAND_RPC_GETBLOCKCOUNT::response& res, connection_context& cntx) { CHECK_CORE_BUSY(); res.count = m_core.get_current_blockchain_height(); res.status = CORE_RPC_STATUS_OK; return true; } //------------------------------------------------------------------------------------------------------------------------------ bool core_rpc_server::on_getblockhash(const COMMAND_RPC_GETBLOCKHASH::request& req, COMMAND_RPC_GETBLOCKHASH::response& res, epee::json_rpc::error& error_resp, connection_context& cntx) { if(!check_core_busy()) { error_resp.code = CORE_RPC_ERROR_CODE_CORE_BUSY; error_resp.message = "Core is busy"; return false; } if(req.size() != 1) { error_resp.code = CORE_RPC_ERROR_CODE_WRONG_PARAM; error_resp.message = "Wrong parameters, expected height"; return false; } uint64_t h = req[0]; if(m_core.get_current_blockchain_height() <= h) { error_resp.code = CORE_RPC_ERROR_CODE_TOO_BIG_HEIGHT; error_resp.message = std::string("To big height: ") + std::to_string(h) + ", current blockchain height = " + std::to_string(m_core.get_current_blockchain_height()); } res = string_tools::pod_to_hex(m_core.get_block_id_by_height(h)); return true; } //------------------------------------------------------------------------------------------------------------------------------ uint64_t slow_memmem(void* start_buff, size_t buflen,void* pat,size_t patlen) { void* buf = start_buff; void* end=(char*)buf+buflen-patlen; while((buf=memchr(buf,((char*)pat)[0],buflen))) { if(buf>end) return 0; if(memcmp(buf,pat,patlen)==0) return (char*)buf - (char*)start_buff; buf=(char*)buf+1; } return 0; } //------------------------------------------------------------------------------------------------------------------------------ bool core_rpc_server::on_getblocktemplate(const COMMAND_RPC_GETBLOCKTEMPLATE::request& req, COMMAND_RPC_GETBLOCKTEMPLATE::response& res, epee::json_rpc::error& error_resp, connection_context& cntx) { if(!check_core_ready()) { error_resp.code = CORE_RPC_ERROR_CODE_CORE_BUSY; error_resp.message = "Core is busy"; return false; } if(req.reserve_size > 255) { error_resp.code = CORE_RPC_ERROR_CODE_TOO_BIG_RESERVE_SIZE; error_resp.message = "To big reserved size, maximum 255"; return false; } cryptonote::account_public_address acc = AUTO_VAL_INIT(acc); if(!req.wallet_address.size() || !cryptonote::get_account_address_from_str(acc, m_testnet, req.wallet_address)) { error_resp.code = CORE_RPC_ERROR_CODE_WRONG_WALLET_ADDRESS; error_resp.message = "Failed to parse wallet address"; return false; } block b = AUTO_VAL_INIT(b); cryptonote::blobdata blob_reserve; blob_reserve.resize(req.reserve_size, 0); if(!m_core.get_block_template(b, acc, res.difficulty, res.height, blob_reserve)) { error_resp.code = CORE_RPC_ERROR_CODE_INTERNAL_ERROR; error_resp.message = "Internal error: failed to create block template"; LOG_ERROR("Failed to create block template"); return false; } blobdata block_blob = t_serializable_object_to_blob(b); crypto::public_key tx_pub_key = cryptonote::get_tx_pub_key_from_extra(b.miner_tx); if(tx_pub_key == null_pkey) { error_resp.code = CORE_RPC_ERROR_CODE_INTERNAL_ERROR; error_resp.message = "Internal error: failed to create block template"; LOG_ERROR("Failed to tx pub key in coinbase extra"); return false; } res.reserved_offset = slow_memmem((void*)block_blob.data(), block_blob.size(), &tx_pub_key, sizeof(tx_pub_key)); if(!res.reserved_offset) { error_resp.code = CORE_RPC_ERROR_CODE_INTERNAL_ERROR; error_resp.message = "Internal error: failed to create block template"; LOG_ERROR("Failed to find tx pub key in blockblob"); return false; } res.reserved_offset += sizeof(tx_pub_key) + 3; //3 bytes: tag for TX_EXTRA_TAG_PUBKEY(1 byte), tag for TX_EXTRA_NONCE(1 byte), counter in TX_EXTRA_NONCE(1 byte) if(res.reserved_offset + req.reserve_size > block_blob.size()) { error_resp.code = CORE_RPC_ERROR_CODE_INTERNAL_ERROR; error_resp.message = "Internal error: failed to create block template"; LOG_ERROR("Failed to calculate offset for "); return false; } res.blocktemplate_blob = string_tools::buff_to_hex_nodelimer(block_blob); res.status = CORE_RPC_STATUS_OK; return true; } //------------------------------------------------------------------------------------------------------------------------------ bool core_rpc_server::on_submitblock(const COMMAND_RPC_SUBMITBLOCK::request& req, COMMAND_RPC_SUBMITBLOCK::response& res, epee::json_rpc::error& error_resp, connection_context& cntx) { CHECK_CORE_READY(); if(req.size()!=1) { error_resp.code = CORE_RPC_ERROR_CODE_WRONG_PARAM; error_resp.message = "Wrong param"; return false; } blobdata blockblob; if(!string_tools::parse_hexstr_to_binbuff(req[0], blockblob)) { error_resp.code = CORE_RPC_ERROR_CODE_WRONG_BLOCKBLOB; error_resp.message = "Wrong block blob"; return false; } // Fixing of high orphan issue for most pools // Thanks Boolberry! block b = AUTO_VAL_INIT(b); if(!parse_and_validate_block_from_blob(blockblob, b)) { error_resp.code = CORE_RPC_ERROR_CODE_WRONG_BLOCKBLOB; error_resp.message = "Wrong block blob"; return false; } // Fix from Boolberry neglects to check block // size, do that with the function below if(!m_core.check_incoming_block_size(blockblob)) { error_resp.code = CORE_RPC_ERROR_CODE_WRONG_BLOCKBLOB_SIZE; error_resp.message = "Block bloc size is too big, rejecting block"; return false; } if(!m_core.handle_block_found(b)) { error_resp.code = CORE_RPC_ERROR_CODE_BLOCK_NOT_ACCEPTED; error_resp.message = "Block not accepted"; return false; } res.status = CORE_RPC_STATUS_OK; return true; } //------------------------------------------------------------------------------------------------------------------------------ uint64_t core_rpc_server::get_block_reward(const block& blk) { uint64_t reward = 0; BOOST_FOREACH(const tx_out& out, blk.miner_tx.vout) { reward += out.amount; } return reward; } //------------------------------------------------------------------------------------------------------------------------------ bool core_rpc_server::fill_block_header_responce(const block& blk, bool orphan_status, uint64_t height, const crypto::hash& hash, block_header_responce& responce) { responce.major_version = blk.major_version; responce.minor_version = blk.minor_version; responce.timestamp = blk.timestamp; responce.prev_hash = string_tools::pod_to_hex(blk.prev_id); responce.nonce = blk.nonce; responce.orphan_status = orphan_status; responce.height = height; responce.depth = m_core.get_current_blockchain_height() - height - 1; responce.hash = string_tools::pod_to_hex(hash); responce.difficulty = m_core.get_blockchain_storage().block_difficulty(height); responce.reward = get_block_reward(blk); return true; } //------------------------------------------------------------------------------------------------------------------------------ bool core_rpc_server::on_get_last_block_header(const COMMAND_RPC_GET_LAST_BLOCK_HEADER::request& req, COMMAND_RPC_GET_LAST_BLOCK_HEADER::response& res, epee::json_rpc::error& error_resp, connection_context& cntx) { if(!check_core_busy()) { error_resp.code = CORE_RPC_ERROR_CODE_CORE_BUSY; error_resp.message = "Core is busy."; return false; } uint64_t last_block_height; crypto::hash last_block_hash; bool have_last_block_hash = m_core.get_blockchain_top(last_block_height, last_block_hash); if (!have_last_block_hash) { error_resp.code = CORE_RPC_ERROR_CODE_INTERNAL_ERROR; error_resp.message = "Internal error: can't get last block hash."; return false; } block last_block; bool have_last_block = m_core.get_block_by_hash(last_block_hash, last_block); if (!have_last_block) { error_resp.code = CORE_RPC_ERROR_CODE_INTERNAL_ERROR; error_resp.message = "Internal error: can't get last block."; return false; } bool responce_filled = fill_block_header_responce(last_block, false, last_block_height, last_block_hash, res.block_header); if (!responce_filled) { error_resp.code = CORE_RPC_ERROR_CODE_INTERNAL_ERROR; error_resp.message = "Internal error: can't produce valid response."; return false; } res.status = CORE_RPC_STATUS_OK; return true; } //------------------------------------------------------------------------------------------------------------------------------ bool core_rpc_server::on_get_block_header_by_hash(const COMMAND_RPC_GET_BLOCK_HEADER_BY_HASH::request& req, COMMAND_RPC_GET_BLOCK_HEADER_BY_HASH::response& res, epee::json_rpc::error& error_resp, connection_context& cntx){ if(!check_core_busy()) { error_resp.code = CORE_RPC_ERROR_CODE_CORE_BUSY; error_resp.message = "Core is busy."; return false; } crypto::hash block_hash; bool hash_parsed = parse_hash256(req.hash, block_hash); if(!hash_parsed) { error_resp.code = CORE_RPC_ERROR_CODE_WRONG_PARAM; error_resp.message = "Failed to parse hex representation of block hash. Hex = " + req.hash + '.'; return false; } block blk; bool have_block = m_core.get_block_by_hash(block_hash, blk); if (!have_block) { error_resp.code = CORE_RPC_ERROR_CODE_INTERNAL_ERROR; error_resp.message = "Internal error: can't get block by hash. Hash = " + req.hash + '.'; return false; } if (blk.miner_tx.vin.front().type() != typeid(txin_gen)) { error_resp.code = CORE_RPC_ERROR_CODE_INTERNAL_ERROR; error_resp.message = "Internal error: coinbase transaction in the block has the wrong type"; return false; } uint64_t block_height = boost::get(blk.miner_tx.vin.front()).height; bool responce_filled = fill_block_header_responce(blk, false, block_height, block_hash, res.block_header); if (!responce_filled) { error_resp.code = CORE_RPC_ERROR_CODE_INTERNAL_ERROR; error_resp.message = "Internal error: can't produce valid response."; return false; } res.status = CORE_RPC_STATUS_OK; return true; } //------------------------------------------------------------------------------------------------------------------------------ bool core_rpc_server::on_get_block_header_by_height(const COMMAND_RPC_GET_BLOCK_HEADER_BY_HEIGHT::request& req, COMMAND_RPC_GET_BLOCK_HEADER_BY_HEIGHT::response& res, epee::json_rpc::error& error_resp, connection_context& cntx){ if(!check_core_busy()) { error_resp.code = CORE_RPC_ERROR_CODE_CORE_BUSY; error_resp.message = "Core is busy."; return false; } if(m_core.get_current_blockchain_height() <= req.height) { error_resp.code = CORE_RPC_ERROR_CODE_TOO_BIG_HEIGHT; error_resp.message = std::string("To big height: ") + std::to_string(req.height) + ", current blockchain height = " + std::to_string(m_core.get_current_blockchain_height()); return false; } crypto::hash block_hash = m_core.get_block_id_by_height(req.height); block blk; bool have_block = m_core.get_block_by_hash(block_hash, blk); if (!have_block) { error_resp.code = CORE_RPC_ERROR_CODE_INTERNAL_ERROR; error_resp.message = "Internal error: can't get block by height. Height = " + std::to_string(req.height) + '.'; return false; } bool responce_filled = fill_block_header_responce(blk, false, req.height, block_hash, res.block_header); if (!responce_filled) { error_resp.code = CORE_RPC_ERROR_CODE_INTERNAL_ERROR; error_resp.message = "Internal error: can't produce valid response."; return false; } res.status = CORE_RPC_STATUS_OK; return true; } //------------------------------------------------------------------------------------------------------------------------------ bool core_rpc_server::on_get_connections(const COMMAND_RPC_GET_CONNECTIONS::request& req, COMMAND_RPC_GET_CONNECTIONS::response& res, epee::json_rpc::error& error_resp, connection_context& cntx) { if(!check_core_busy()) { error_resp.code = CORE_RPC_ERROR_CODE_CORE_BUSY; error_resp.message = "Core is busy."; return false; } res.connections = m_p2p.get_payload_object().get_connections(); res.status = CORE_RPC_STATUS_OK; return true; } //------------------------------------------------------------------------------------------------------------------------------ bool core_rpc_server::on_get_info_json(const COMMAND_RPC_GET_INFO::request& req, COMMAND_RPC_GET_INFO::response& res, epee::json_rpc::error& error_resp, connection_context& cntx) { if(!check_core_busy()) { error_resp.code = CORE_RPC_ERROR_CODE_CORE_BUSY; error_resp.message = "Core is busy."; return false; } res.height = m_core.get_current_blockchain_height(); res.target_height = m_core.get_target_blockchain_height(); res.difficulty = m_core.get_blockchain_storage().get_difficulty_for_next_block(); res.tx_count = m_core.get_blockchain_storage().get_total_transactions() - res.height; //without coinbase res.tx_pool_size = m_core.get_pool_transactions_count(); res.alt_blocks_count = m_core.get_blockchain_storage().get_alternative_blocks_count(); uint64_t total_conn = m_p2p.get_connections_count(); res.outgoing_connections_count = m_p2p.get_outgoing_connections_count(); res.incoming_connections_count = total_conn - res.outgoing_connections_count; res.white_peerlist_size = m_p2p.get_peerlist_manager().get_white_peers_count(); res.grey_peerlist_size = m_p2p.get_peerlist_manager().get_gray_peers_count(); res.status = CORE_RPC_STATUS_OK; return true; } //------------------------------------------------------------------------------------------------------------------------------ }