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352 lines
16 KiB
C++
352 lines
16 KiB
C++
// Copyright (c) 2014-2020, The Monero Project
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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// of conditions and the following disclaimer in the documentation and/or other
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// materials provided with the distribution.
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//
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// 3. Neither the name of the copyright holder nor the names of its contributors may be
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// used to endorse or promote products derived from this software without specific
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// prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers
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#include "checkpoints.h"
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#include "common/dns_utils.h"
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#include "string_tools.h"
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#include "storages/portable_storage_template_helper.h" // epee json include
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#include "serialization/keyvalue_serialization.h"
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#include <functional>
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#include <vector>
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using namespace epee;
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#undef MONERO_DEFAULT_LOG_CATEGORY
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#define MONERO_DEFAULT_LOG_CATEGORY "checkpoints"
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namespace cryptonote
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{
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/**
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* @brief struct for loading a checkpoint from json
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*/
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struct t_hashline
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{
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uint64_t height; //!< the height of the checkpoint
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std::string hash; //!< the hash for the checkpoint
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BEGIN_KV_SERIALIZE_MAP()
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KV_SERIALIZE(height)
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KV_SERIALIZE(hash)
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END_KV_SERIALIZE_MAP()
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};
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/**
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* @brief struct for loading many checkpoints from json
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*/
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struct t_hash_json {
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std::vector<t_hashline> hashlines; //!< the checkpoint lines from the file
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BEGIN_KV_SERIALIZE_MAP()
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KV_SERIALIZE(hashlines)
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END_KV_SERIALIZE_MAP()
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};
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//---------------------------------------------------------------------------
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checkpoints::checkpoints()
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{
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}
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//---------------------------------------------------------------------------
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bool checkpoints::add_checkpoint(uint64_t height, const std::string& hash_str, const std::string& difficulty_str)
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{
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crypto::hash h = crypto::null_hash;
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bool r = epee::string_tools::hex_to_pod(hash_str, h);
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CHECK_AND_ASSERT_MES(r, false, "Failed to parse checkpoint hash string into binary representation!");
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// return false if adding at a height we already have AND the hash is different
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if (m_points.count(height))
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{
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CHECK_AND_ASSERT_MES(h == m_points[height], false, "Checkpoint at given height already exists, and hash for new checkpoint was different!");
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}
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m_points[height] = h;
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if (!difficulty_str.empty())
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{
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try
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{
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difficulty_type difficulty(difficulty_str);
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if (m_difficulty_points.count(height))
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{
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CHECK_AND_ASSERT_MES(difficulty == m_difficulty_points[height], false, "Difficulty checkpoint at given height already exists, and difficulty for new checkpoint was different!");
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}
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m_difficulty_points[height] = difficulty;
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}
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catch (...)
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{
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LOG_ERROR("Failed to parse difficulty checkpoint: " << difficulty_str);
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return false;
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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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bool checkpoints::is_in_checkpoint_zone(uint64_t height) const
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{
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return !m_points.empty() && (height <= (--m_points.end())->first);
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}
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//---------------------------------------------------------------------------
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bool checkpoints::check_block(uint64_t height, const crypto::hash& h, bool& is_a_checkpoint) const
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{
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auto it = m_points.find(height);
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is_a_checkpoint = it != m_points.end();
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if(!is_a_checkpoint)
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return true;
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if(it->second == h)
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{
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MINFO("CHECKPOINT PASSED FOR HEIGHT " << height << " " << h);
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return true;
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}else
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{
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MWARNING("CHECKPOINT FAILED FOR HEIGHT " << height << ". EXPECTED HASH: " << it->second << ", FETCHED HASH: " << h);
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return false;
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}
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}
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//---------------------------------------------------------------------------
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bool checkpoints::check_block(uint64_t height, const crypto::hash& h) const
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{
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bool ignored;
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return check_block(height, h, ignored);
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}
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//---------------------------------------------------------------------------
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//FIXME: is this the desired behavior?
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bool checkpoints::is_alternative_block_allowed(uint64_t blockchain_height, uint64_t block_height) const
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{
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if (0 == block_height)
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return false;
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auto it = m_points.upper_bound(blockchain_height);
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// Is blockchain_height before the first checkpoint?
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if (it == m_points.begin())
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return true;
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--it;
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uint64_t checkpoint_height = it->first;
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return checkpoint_height < block_height;
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}
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//---------------------------------------------------------------------------
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uint64_t checkpoints::get_max_height() const
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{
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if (m_points.empty())
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return 0;
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return m_points.rbegin()->first;
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}
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//---------------------------------------------------------------------------
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const std::map<uint64_t, crypto::hash>& checkpoints::get_points() const
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{
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return m_points;
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}
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//---------------------------------------------------------------------------
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const std::map<uint64_t, difficulty_type>& checkpoints::get_difficulty_points() const
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{
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return m_difficulty_points;
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}
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bool checkpoints::check_for_conflicts(const checkpoints& other) const
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{
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for (auto& pt : other.get_points())
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{
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if (m_points.count(pt.first))
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{
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CHECK_AND_ASSERT_MES(pt.second == m_points.at(pt.first), false, "Checkpoint at given height already exists, and hash for new checkpoint was different!");
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}
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}
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return true;
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}
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bool checkpoints::init_default_checkpoints(network_type nettype)
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{
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if (nettype == TESTNET)
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{
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ADD_CHECKPOINT2(0, "48ca7cd3c8de5b6a4d53d2861fbdaedca141553559f9be9520068053cda8430b", "0x1");
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ADD_CHECKPOINT2(1000000, "46b690b710a07ea051bc4a6b6842ac37be691089c0f7758cfeec4d5fc0b4a258", "0x7aaad7153");
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ADD_CHECKPOINT2(1058600, "12904f6b4d9e60fd875674e07147d2c83d6716253f046af7b894c3e81da7e1bd", "0x971efd119");
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ADD_CHECKPOINT2(1450000, "87562ca6786f41556b8d5b48067303a57dc5ca77155b35199aedaeca1550f5a0", "0xa639e2930e");
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return true;
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}
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if (nettype == STAGENET)
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{
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ADD_CHECKPOINT2(0, "76ee3cc98646292206cd3e86f74d88b4dcc1d937088645e9b0cbca84b7ce74eb", "0x1");
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ADD_CHECKPOINT2(10000, "1f8b0ce313f8b9ba9a46108bfd285c45ad7c2176871fd41c3a690d4830ce2fd5", "0x1d73ba");
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ADD_CHECKPOINT2(550000, "409f68cddd8e74b37469b41c1e61250d81c5776b42264f416d5d27c4626383ed", "0x5f3d4d03e");
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return true;
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}
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ADD_CHECKPOINT2(1, "771fbcd656ec1464d3a02ead5e18644030007a0fc664c0a964d30922821a8148", "0x2");
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ADD_CHECKPOINT2(10, "c0e3b387e47042f72d8ccdca88071ff96bff1ac7cde09ae113dbb7ad3fe92381", "0x2a974");
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ADD_CHECKPOINT2(100, "ac3e11ca545e57c49fca2b4e8c48c03c23be047c43e471e1394528b1f9f80b2d", "0x35d14b");
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ADD_CHECKPOINT2(1000, "5acfc45acffd2b2e7345caf42fa02308c5793f15ec33946e969e829f40b03876", "0x36a0373");
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ADD_CHECKPOINT2(10000, "c758b7c81f928be3295d45e230646de8b852ec96a821eac3fea4daf3fcac0ca2", "0x60a91390");
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ADD_CHECKPOINT2(22231, "7cb10e29d67e1c069e6e11b17d30b809724255fee2f6868dc14cfc6ed44dfb25", "0x1e288793d");
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ADD_CHECKPOINT2(29556, "53c484a8ed91e4da621bb2fa88106dbde426fe90d7ef07b9c1e5127fb6f3a7f6", "0x71f64cce8");
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ADD_CHECKPOINT2(50000, "0fe8758ab06a8b9cb35b7328fd4f757af530a5d37759f9d3e421023231f7b31c", "0x893044b400");
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ADD_CHECKPOINT2(80000, "a62dcd7b536f22e003ebae8726e9e7276f63d594e264b6f0cd7aab27b66e75e3", "0x5cc113f1076");
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ADD_CHECKPOINT2(202612, "bbd604d2ba11ba27935e006ed39c9bfdd99b76bf4a50654bc1e1e61217962698", "0x73310a259eb2");
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ADD_CHECKPOINT2(202613, "e2aa337e78df1f98f462b3b1e560c6b914dec47b610698b7b7d1e3e86b6197c2", "0x733154039b97");
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ADD_CHECKPOINT2(202614, "c29e3dc37d8da3e72e506e31a213a58771b24450144305bcba9e70fa4d6ea6fb", "0x73319dc90cb6");
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ADD_CHECKPOINT2(205000, "5d3d7a26e6dc7535e34f03def711daa8c263785f73ec1fadef8a45880fde8063", "0x75fcc3d85123");
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ADD_CHECKPOINT2(220000, "9613f455933c00e3e33ac315cc6b455ee8aa0c567163836858c2d9caff111553", "0x89cfed0cae3c");
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ADD_CHECKPOINT2(230300, "bae7a80c46859db355556e3a9204a337ae8f24309926a1312323fdecf1920e61", "0x967d13e5baa9");
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ADD_CHECKPOINT2(230700, "93e631240ceac831da1aebfc5dac8f722c430463024763ebafa888796ceaeedf", "0x96fb9663ebe7");
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ADD_CHECKPOINT2(231350, "b5add137199b820e1ea26640e5c3e121fd85faa86a1e39cf7e6cc097bdeb1131", "0x97b9919177bf");
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ADD_CHECKPOINT2(232150, "955de8e6b6508af2c24f7334f97beeea651d78e9ade3ab18fec3763be3201aa8", "0x98a038b612e8");
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ADD_CHECKPOINT2(249380, "654fb0a81ce3e5caf7e3264a70f447d4bd07586c08fa50f6638cc54da0a52b2d", "0xac9739634e6d");
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ADD_CHECKPOINT2(460000, "75037a7aed3e765db96c75bcf908f59d690a5f3390baebb9edeafd336a1c4831", "0x167799549bdda");
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ADD_CHECKPOINT2(500000, "2428f0dbe49796be05ed81b347f53e1f7f44aed0abf641446ec2b94cae066b02", "0x188ce145e4ba9");
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ADD_CHECKPOINT2(600000, "f5828ebf7d7d1cb61762c4dfe3ccf4ecab2e1aad23e8113668d981713b7a54c5", "0x1d9f3759e1554");
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ADD_CHECKPOINT2(700000, "12be9b3d210b93f574d2526abb9c1ab2a881b479131fd0d4f7dac93875f503cd", "0x2201e4ee39c2c");
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ADD_CHECKPOINT2(825000, "56503f9ad766774b575be3aff73245e9d159be88132c93d1754764f28da2ff60", "0x27565a442d5df");
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ADD_CHECKPOINT2(900000, "d9958d0e7dcf91a5a7b11de225927bf7efc6eb26240315ce12372be902cc1337", "0x2a6334031546e");
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ADD_CHECKPOINT2(913193, "5292d5d56f6ba4de33a58d9a34d263e2cb3c6fee0aed2286fd4ac7f36d53c85f", "0x2aefe7f40f5ea");
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ADD_CHECKPOINT2(1000000, "a886ef5149902d8342475fee9bb296341b891ac67c4842f47a833f23c00ed721", "0x2edd71370f0e5");
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ADD_CHECKPOINT2(1100000, "3fd720c5c8b3072fc1ccda922dec1ef25f9ed88a1e6ad4103d0fe00b180a5903", "0x390eb0035c53a");
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ADD_CHECKPOINT2(1150000, "1dd16f626d18e1e988490dfd06de5920e22629c972c58b4d8daddea0038627b2", "0x422d5662e9e37");
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ADD_CHECKPOINT2(1200000, "fa7d13a90850882060479d100141ff84286599ae39c3277c8ea784393f882d1f", "0x4c73503fc4aa3");
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ADD_CHECKPOINT2(1300000, "31b34272343a44a9f4ac7de7a8fcf3b7d8a3124d7d6870affd510d2f37e74cd0", "0x723f49bc249d5");
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ADD_CHECKPOINT2(1390000, "a8f5649dd4ded60eedab475f2bec8c934681c07e3cf640e9be0617554f13ff6c", "0xb4bba65e2841b");
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ADD_CHECKPOINT2(1450000, "ac94e8860093bc7c83e4e91215cba1d663421ecf4067a0ae609c3a8b52bcfac2", "0x11a4aabdca9511");
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ADD_CHECKPOINT2(1530000, "01759bce497ec38e63c78b1038892169203bb78f87e488172f6b854fcd63ba7e", "0x2819ce9f9e91e5");
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ADD_CHECKPOINT2(1579000, "7d0d7a2346373afd41ed1e744a939fc5d474a7dbaa257be5c6fff4009e789241", "0x357a590e7dda83");
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ADD_CHECKPOINT2(1668900, "ac2dcaf3d2f58ffcf8391639f0f1ebafcb8eac43c49479c7c37f611868d07568", "0x474226e475cc3b");
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ADD_CHECKPOINT2(1775600, "1c6e01c661dc22cab939e79ec6a5272190624ce8356d2f7b958e4f9a57fdb05e", "0x5e3b9d206a27c6");
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ADD_CHECKPOINT2(1856000, "9b57f17f29c71a3acd8a7904b93c41fa6eb8d2b7c73936ce4f1702d14880ba29", "0x6bde5e1caccee1");
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ADD_CHECKPOINT2(1958000, "98a5d6e51afdf3146e0eefb10a66e8648d8d4d5c2742be8835e976ba217c9bb2", "0x79dd46d2a0971a");
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ADD_CHECKPOINT2(2046000, "5e867f0b8baefed9244a681df97fc885d8ab36c3dfcd24c7a3abf3b8ac8b8314", "0x9cb8b6ff2978c6");
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ADD_CHECKPOINT2(2092500, "c4e00820c9c7989b49153d5e90ae095a18a11d990e82fcc3be54e6ed785472b5", "0xb4e585a31369cb");
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ADD_CHECKPOINT2(2182500, "0d22b5f81982eff21d094af9e821dc2007e6342069e3b1a37b15d97646353124", "0xead4a874083492");
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ADD_CHECKPOINT2(2193000, "6e91b917a40309f89f75f2c8d7be5a6d1a3c425634f07f7d1867bd32d2e602ed", "0xf085140f17389d");
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ADD_CHECKPOINT2(2206500, "dd3c8590f33eaa546a4ce69d02f27fd58a2f115cd32d733bd9426f8278f0cb8a", "0xf8725275799f0d");
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ADD_CHECKPOINT2(2210500, "ed17259215ac6aabe6e8252b5b5eff613d2e69cc2111173e567109aa78301911", "0xfbcb50a9a6a433");
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ADD_CHECKPOINT2(2224000, "e34bc71301600df96d08aaa6b0bde932cba1b06a3dd57076e3f664a078810a80", "0x1052fc256fceb6f");
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ADD_CHECKPOINT2(2235500, "3eac1a1253495733e10d00fd5e8e1639741566d91bae38bc6d3342af6b75da53", "0x10cea232ce71d23");
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return true;
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}
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bool checkpoints::load_checkpoints_from_json(const std::string &json_hashfile_fullpath)
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{
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boost::system::error_code errcode;
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if (! (boost::filesystem::exists(json_hashfile_fullpath, errcode)))
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{
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LOG_PRINT_L1("Blockchain checkpoints file not found");
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return true;
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}
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LOG_PRINT_L1("Adding checkpoints from blockchain hashfile");
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uint64_t prev_max_height = get_max_height();
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LOG_PRINT_L1("Hard-coded max checkpoint height is " << prev_max_height);
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t_hash_json hashes;
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if (!epee::serialization::load_t_from_json_file(hashes, json_hashfile_fullpath))
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{
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MERROR("Error loading checkpoints from " << json_hashfile_fullpath);
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return false;
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}
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for (std::vector<t_hashline>::const_iterator it = hashes.hashlines.begin(); it != hashes.hashlines.end(); )
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{
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uint64_t height;
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height = it->height;
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if (height <= prev_max_height) {
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LOG_PRINT_L1("ignoring checkpoint height " << height);
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} else {
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std::string blockhash = it->hash;
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LOG_PRINT_L1("Adding checkpoint height " << height << ", hash=" << blockhash);
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ADD_CHECKPOINT(height, blockhash);
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}
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++it;
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}
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return true;
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}
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bool checkpoints::load_checkpoints_from_dns(network_type nettype)
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{
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std::vector<std::string> records;
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// All four MoneroPulse domains have DNSSEC on and valid
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static const std::vector<std::string> dns_urls = { "checkpoints.moneropulse.se"
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, "checkpoints.moneropulse.org"
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, "checkpoints.moneropulse.net"
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, "checkpoints.moneropulse.co"
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};
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static const std::vector<std::string> testnet_dns_urls = { "testpoints.moneropulse.se"
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, "testpoints.moneropulse.org"
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, "testpoints.moneropulse.net"
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, "testpoints.moneropulse.co"
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};
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static const std::vector<std::string> stagenet_dns_urls = { "stagenetpoints.moneropulse.se"
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, "stagenetpoints.moneropulse.org"
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, "stagenetpoints.moneropulse.net"
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, "stagenetpoints.moneropulse.co"
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};
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if (!tools::dns_utils::load_txt_records_from_dns(records, nettype == TESTNET ? testnet_dns_urls : nettype == STAGENET ? stagenet_dns_urls : dns_urls))
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return true; // why true ?
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for (const auto& record : records)
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{
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auto pos = record.find(":");
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if (pos != std::string::npos)
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{
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uint64_t height;
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crypto::hash hash;
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// parse the first part as uint64_t,
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// if this fails move on to the next record
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std::stringstream ss(record.substr(0, pos));
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if (!(ss >> height))
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{
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continue;
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}
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// parse the second part as crypto::hash,
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// if this fails move on to the next record
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std::string hashStr = record.substr(pos + 1);
|
|
if (!epee::string_tools::hex_to_pod(hashStr, hash))
|
|
{
|
|
continue;
|
|
}
|
|
|
|
ADD_CHECKPOINT(height, hashStr);
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool checkpoints::load_new_checkpoints(const std::string &json_hashfile_fullpath, network_type nettype, bool dns)
|
|
{
|
|
bool result;
|
|
|
|
result = load_checkpoints_from_json(json_hashfile_fullpath);
|
|
if (dns)
|
|
{
|
|
result &= load_checkpoints_from_dns(nettype);
|
|
}
|
|
|
|
return result;
|
|
}
|
|
}
|