590 lines
24 KiB
C++
590 lines
24 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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#include <boost/foreach.hpp>
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#include "include_base_utils.h"
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using namespace epee;
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#include "core_rpc_server.h"
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#include "common/command_line.h"
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#include "cryptonote_core/cryptonote_format_utils.h"
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#include "cryptonote_core/account.h"
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#include "cryptonote_core/cryptonote_basic_impl.h"
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#include "misc_language.h"
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#include "crypto/hash.h"
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#include "core_rpc_server_error_codes.h"
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namespace cryptonote
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{
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namespace
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{
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const command_line::arg_descriptor<std::string> arg_rpc_bind_ip = {"rpc-bind-ip", "", "127.0.0.1"};
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const command_line::arg_descriptor<std::string> arg_rpc_bind_port = {"rpc-bind-port", "", std::to_string(RPC_DEFAULT_PORT)};
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}
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//-----------------------------------------------------------------------------------
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void core_rpc_server::init_options(boost::program_options::options_description& desc)
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{
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command_line::add_arg(desc, arg_rpc_bind_ip);
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command_line::add_arg(desc, arg_rpc_bind_port);
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}
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//------------------------------------------------------------------------------------------------------------------------------
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core_rpc_server::core_rpc_server(core& cr, nodetool::node_server<cryptonote::t_cryptonote_protocol_handler<cryptonote::core> >& p2p):m_core(cr), m_p2p(p2p)
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{}
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//------------------------------------------------------------------------------------------------------------------------------
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bool core_rpc_server::handle_command_line(const boost::program_options::variables_map& vm)
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{
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m_bind_ip = command_line::get_arg(vm, arg_rpc_bind_ip);
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m_port = command_line::get_arg(vm, arg_rpc_bind_port);
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return true;
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}
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//------------------------------------------------------------------------------------------------------------------------------
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bool core_rpc_server::init(const boost::program_options::variables_map& vm)
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{
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m_net_server.set_threads_prefix("RPC");
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bool r = handle_command_line(vm);
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CHECK_AND_ASSERT_MES(r, false, "Failed to process command line in core_rpc_server");
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return epee::http_server_impl_base<core_rpc_server, connection_context>::init(m_port, m_bind_ip);
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}
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//------------------------------------------------------------------------------------------------------------------------------
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bool core_rpc_server::check_core_busy()
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{
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if(m_p2p.get_payload_object().get_core().get_blockchain_storage().is_storing_blockchain())
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{
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return false;
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}
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return true;
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}
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#define CHECK_CORE_BUSY() if(!check_core_busy()){res.status = CORE_RPC_STATUS_BUSY;return true;}
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//------------------------------------------------------------------------------------------------------------------------------
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bool core_rpc_server::check_core_ready()
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{
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if(!m_p2p.get_payload_object().is_synchronized())
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{
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return false;
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}
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return check_core_busy();
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}
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#define CHECK_CORE_READY() if(!check_core_ready()){res.status = CORE_RPC_STATUS_BUSY;return true;}
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//------------------------------------------------------------------------------------------------------------------------------
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bool core_rpc_server::on_get_height(const COMMAND_RPC_GET_HEIGHT::request& req, COMMAND_RPC_GET_HEIGHT::response& res, connection_context& cntx)
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{
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CHECK_CORE_BUSY();
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res.height = m_core.get_current_blockchain_height();
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res.status = CORE_RPC_STATUS_OK;
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return true;
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}
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//------------------------------------------------------------------------------------------------------------------------------
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bool core_rpc_server::on_get_info(const COMMAND_RPC_GET_INFO::request& req, COMMAND_RPC_GET_INFO::response& res, connection_context& cntx)
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{
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CHECK_CORE_BUSY();
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res.height = m_core.get_current_blockchain_height();
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res.target_height = m_core.get_target_blockchain_height();
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res.difficulty = m_core.get_blockchain_storage().get_difficulty_for_next_block();
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res.tx_count = m_core.get_blockchain_storage().get_total_transactions() - res.height; //without coinbase
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res.tx_pool_size = m_core.get_pool_transactions_count();
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res.alt_blocks_count = m_core.get_blockchain_storage().get_alternative_blocks_count();
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uint64_t total_conn = m_p2p.get_connections_count();
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res.outgoing_connections_count = m_p2p.get_outgoing_connections_count();
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res.incoming_connections_count = total_conn - res.outgoing_connections_count;
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res.white_peerlist_size = m_p2p.get_peerlist_manager().get_white_peers_count();
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res.grey_peerlist_size = m_p2p.get_peerlist_manager().get_gray_peers_count();
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res.status = CORE_RPC_STATUS_OK;
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return true;
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}
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//------------------------------------------------------------------------------------------------------------------------------
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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)
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{
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CHECK_CORE_BUSY();
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std::list<std::pair<block, std::list<transaction> > > bs;
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if(!m_core.find_blockchain_supplement(req.block_ids, bs, res.current_height, res.start_height, COMMAND_RPC_GET_BLOCKS_FAST_MAX_COUNT))
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{
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res.status = "Failed";
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return false;
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}
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BOOST_FOREACH(auto& b, bs)
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{
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res.blocks.resize(res.blocks.size()+1);
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res.blocks.back().block = block_to_blob(b.first);
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BOOST_FOREACH(auto& t, b.second)
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{
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res.blocks.back().txs.push_back(tx_to_blob(t));
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}
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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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//------------------------------------------------------------------------------------------------------------------------------
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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)
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{
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CHECK_CORE_BUSY();
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res.status = "Failed";
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if(!m_core.get_random_outs_for_amounts(req, res))
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{
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return true;
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}
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res.status = CORE_RPC_STATUS_OK;
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std::stringstream ss;
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typedef COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::outs_for_amount outs_for_amount;
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typedef COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::out_entry out_entry;
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std::for_each(res.outs.begin(), res.outs.end(), [&](outs_for_amount& ofa)
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{
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ss << "[" << ofa.amount << "]:";
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CHECK_AND_ASSERT_MES(ofa.outs.size(), ;, "internal error: ofa.outs.size() is empty for amount " << ofa.amount);
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std::for_each(ofa.outs.begin(), ofa.outs.end(), [&](out_entry& oe)
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{
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ss << oe.global_amount_index << " ";
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});
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ss << ENDL;
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});
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std::string s = ss.str();
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LOG_PRINT_L2("COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS: " << ENDL << s);
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res.status = CORE_RPC_STATUS_OK;
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return true;
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}
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//------------------------------------------------------------------------------------------------------------------------------
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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)
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{
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CHECK_CORE_BUSY();
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bool r = m_core.get_tx_outputs_gindexs(req.txid, res.o_indexes);
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if(!r)
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{
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res.status = "Failed";
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return true;
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}
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res.status = CORE_RPC_STATUS_OK;
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LOG_PRINT_L2("COMMAND_RPC_GET_TX_GLOBAL_OUTPUTS_INDEXES: [" << res.o_indexes.size() << "]");
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return true;
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}
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//------------------------------------------------------------------------------------------------------------------------------
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bool core_rpc_server::on_get_transactions(const COMMAND_RPC_GET_TRANSACTIONS::request& req, COMMAND_RPC_GET_TRANSACTIONS::response& res, connection_context& cntx)
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{
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CHECK_CORE_BUSY();
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std::vector<crypto::hash> vh;
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BOOST_FOREACH(const auto& tx_hex_str, req.txs_hashes)
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{
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blobdata b;
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if(!string_tools::parse_hexstr_to_binbuff(tx_hex_str, b))
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{
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res.status = "Failed to parse hex representation of transaction hash";
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return true;
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}
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if(b.size() != sizeof(crypto::hash))
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{
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res.status = "Failed, size of data mismatch";
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}
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vh.push_back(*reinterpret_cast<const crypto::hash*>(b.data()));
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}
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std::list<crypto::hash> missed_txs;
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std::list<transaction> txs;
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bool r = m_core.get_transactions(vh, txs, missed_txs);
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if(!r)
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{
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res.status = "Failed";
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return true;
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}
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BOOST_FOREACH(auto& tx, txs)
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{
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blobdata blob = t_serializable_object_to_blob(tx);
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res.txs_as_hex.push_back(string_tools::buff_to_hex_nodelimer(blob));
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}
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BOOST_FOREACH(const auto& miss_tx, missed_txs)
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{
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res.missed_tx.push_back(string_tools::pod_to_hex(miss_tx));
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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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//------------------------------------------------------------------------------------------------------------------------------
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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)
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{
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CHECK_CORE_READY();
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std::string tx_blob;
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if(!string_tools::parse_hexstr_to_binbuff(req.tx_as_hex, tx_blob))
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{
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LOG_PRINT_L0("[on_send_raw_tx]: Failed to parse tx from hexbuff: " << req.tx_as_hex);
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res.status = "Failed";
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return true;
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}
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cryptonote_connection_context fake_context = AUTO_VAL_INIT(fake_context);
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tx_verification_context tvc = AUTO_VAL_INIT(tvc);
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if(!m_core.handle_incoming_tx(tx_blob, tvc, false))
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{
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LOG_PRINT_L0("[on_send_raw_tx]: Failed to process tx");
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res.status = "Failed";
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return true;
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}
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if(tvc.m_verifivation_failed)
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{
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LOG_PRINT_L0("[on_send_raw_tx]: tx verification failed");
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res.status = "Failed";
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return true;
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}
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if(!tvc.m_should_be_relayed)
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{
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LOG_PRINT_L0("[on_send_raw_tx]: tx accepted, but not relayed");
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res.status = "Not relayed";
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return true;
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}
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NOTIFY_NEW_TRANSACTIONS::request r;
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r.txs.push_back(tx_blob);
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m_core.get_protocol()->relay_transactions(r, fake_context);
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//TODO: make sure that tx has reached other nodes here, probably wait to receive reflections from other nodes
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res.status = CORE_RPC_STATUS_OK;
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return true;
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}
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//------------------------------------------------------------------------------------------------------------------------------
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bool core_rpc_server::on_start_mining(const COMMAND_RPC_START_MINING::request& req, COMMAND_RPC_START_MINING::response& res, connection_context& cntx)
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{
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CHECK_CORE_READY();
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account_public_address adr;
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if(!get_account_address_from_str(adr, req.miner_address))
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{
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res.status = "Failed, wrong address";
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return true;
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}
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boost::thread::attributes attrs;
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attrs.set_stack_size(THREAD_STACK_SIZE);
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if(!m_core.get_miner().start(adr, static_cast<size_t>(req.threads_count), attrs))
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{
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res.status = "Failed, mining not started";
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return true;
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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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//------------------------------------------------------------------------------------------------------------------------------
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bool core_rpc_server::on_stop_mining(const COMMAND_RPC_STOP_MINING::request& req, COMMAND_RPC_STOP_MINING::response& res, connection_context& cntx)
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{
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if(!m_core.get_miner().stop())
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{
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res.status = "Failed, mining not stopped";
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return true;
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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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//------------------------------------------------------------------------------------------------------------------------------
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bool core_rpc_server::on_mining_status(const COMMAND_RPC_MINING_STATUS::request& req, COMMAND_RPC_MINING_STATUS::response& res, connection_context& cntx)
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{
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CHECK_CORE_READY();
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const miner& lMiner = m_core.get_miner();
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res.active = lMiner.is_mining();
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if ( lMiner.is_mining() ) {
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res.speed = lMiner.get_speed();
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res.threads_count = lMiner.get_threads_count();
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const account_public_address& lMiningAdr = lMiner.get_mining_address();
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res.address = get_account_address_as_str(lMiningAdr);
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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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//------------------------------------------------------------------------------------------------------------------------------
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bool core_rpc_server::on_save_bc(const COMMAND_RPC_SAVE_BC::request& req, COMMAND_RPC_SAVE_BC::response& res, connection_context& cntx)
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{
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CHECK_CORE_BUSY();
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if( !m_core.get_blockchain_storage().store_blockchain() )
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{
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res.status = "Error while storing blockhain";
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return true;
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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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//------------------------------------------------------------------------------------------------------------------------------
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bool core_rpc_server::on_getblockcount(const COMMAND_RPC_GETBLOCKCOUNT::request& req, COMMAND_RPC_GETBLOCKCOUNT::response& res, connection_context& cntx)
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{
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CHECK_CORE_BUSY();
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res.count = m_core.get_current_blockchain_height();
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res.status = CORE_RPC_STATUS_OK;
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return true;
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}
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//------------------------------------------------------------------------------------------------------------------------------
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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)
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{
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if(!check_core_busy())
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{
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error_resp.code = CORE_RPC_ERROR_CODE_CORE_BUSY;
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error_resp.message = "Core is busy";
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return false;
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}
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if(req.size() != 1)
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{
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error_resp.code = CORE_RPC_ERROR_CODE_WRONG_PARAM;
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error_resp.message = "Wrong parameters, expected height";
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return false;
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}
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uint64_t h = req[0];
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if(m_core.get_current_blockchain_height() <= h)
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{
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error_resp.code = CORE_RPC_ERROR_CODE_TOO_BIG_HEIGHT;
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error_resp.message = std::string("To big height: ") + std::to_string(h) + ", current blockchain height = " + std::to_string(m_core.get_current_blockchain_height());
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}
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res = string_tools::pod_to_hex(m_core.get_block_id_by_height(h));
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return true;
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}
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//------------------------------------------------------------------------------------------------------------------------------
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uint64_t slow_memmem(void* start_buff, size_t buflen,void* pat,size_t patlen)
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{
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void* buf = start_buff;
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void* end=(char*)buf+buflen-patlen;
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while((buf=memchr(buf,((char*)pat)[0],buflen)))
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{
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if(buf>end)
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return 0;
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if(memcmp(buf,pat,patlen)==0)
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return (char*)buf - (char*)start_buff;
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buf=(char*)buf+1;
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}
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return 0;
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}
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//------------------------------------------------------------------------------------------------------------------------------
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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)
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{
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if(!check_core_ready())
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{
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error_resp.code = CORE_RPC_ERROR_CODE_CORE_BUSY;
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error_resp.message = "Core is busy";
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return false;
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}
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if(req.reserve_size > 255)
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{
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error_resp.code = CORE_RPC_ERROR_CODE_TOO_BIG_RESERVE_SIZE;
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error_resp.message = "To big reserved size, maximum 255";
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return false;
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}
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cryptonote::account_public_address acc = AUTO_VAL_INIT(acc);
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if(!req.wallet_address.size() || !cryptonote::get_account_address_from_str(acc, req.wallet_address))
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{
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error_resp.code = CORE_RPC_ERROR_CODE_WRONG_WALLET_ADDRESS;
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error_resp.message = "Failed to parse wallet address";
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return false;
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}
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block b = AUTO_VAL_INIT(b);
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cryptonote::blobdata blob_reserve;
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blob_reserve.resize(req.reserve_size, 0);
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if(!m_core.get_block_template(b, acc, res.difficulty, res.height, blob_reserve))
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{
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error_resp.code = CORE_RPC_ERROR_CODE_INTERNAL_ERROR;
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error_resp.message = "Internal error: failed to create block template";
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LOG_ERROR("Failed to create block template");
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return false;
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}
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blobdata block_blob = t_serializable_object_to_blob(b);
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crypto::public_key tx_pub_key = cryptonote::get_tx_pub_key_from_extra(b.miner_tx);
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if(tx_pub_key == null_pkey)
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{
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error_resp.code = CORE_RPC_ERROR_CODE_INTERNAL_ERROR;
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error_resp.message = "Internal error: failed to create block template";
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LOG_ERROR("Failed to tx pub key in coinbase extra");
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return false;
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}
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res.reserved_offset = slow_memmem((void*)block_blob.data(), block_blob.size(), &tx_pub_key, sizeof(tx_pub_key));
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if(!res.reserved_offset)
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{
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error_resp.code = CORE_RPC_ERROR_CODE_INTERNAL_ERROR;
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error_resp.message = "Internal error: failed to create block template";
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LOG_ERROR("Failed to find tx pub key in blockblob");
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return false;
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}
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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)
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if(res.reserved_offset + req.reserve_size > block_blob.size())
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{
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error_resp.code = CORE_RPC_ERROR_CODE_INTERNAL_ERROR;
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error_resp.message = "Internal error: failed to create block template";
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LOG_ERROR("Failed to calculate offset for ");
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return false;
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}
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res.blocktemplate_blob = string_tools::buff_to_hex_nodelimer(block_blob);
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res.status = CORE_RPC_STATUS_OK;
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return true;
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}
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//------------------------------------------------------------------------------------------------------------------------------
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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)
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{
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CHECK_CORE_READY();
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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;
|
|
}
|
|
cryptonote::block_verification_context bvc = AUTO_VAL_INIT(bvc);
|
|
m_core.handle_incoming_block(blockblob, bvc);
|
|
if(!bvc.m_added_to_main_chain)
|
|
{
|
|
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<txin_gen>(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;
|
|
}
|
|
//------------------------------------------------------------------------------------------------------------------------------
|
|
}
|