forked from lthn/blockchain
72 lines
2.4 KiB
C++
72 lines
2.4 KiB
C++
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// Copyright (c) 2014-2018 Zano Project
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// Copyright (c) 2014-2018 The Louisdor Project
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// 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 "include_base_utils.h"
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using namespace epee;
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#include "checkpoints.h"
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namespace currency
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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)
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{
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crypto::hash h = null_hash;
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bool r = epee::string_tools::parse_tpod_from_hex_string(hash_str, h);
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CHECK_AND_ASSERT_MES(r, false, "WRONG HASH IN CHECKPOINTS!!!");
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CHECK_AND_ASSERT_MES(0 == m_points.count(height), false, "WRONG HASH IN CHECKPOINTS!!!");
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m_points[height] = h;
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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::is_height_passed_zone(uint64_t height, uint64_t blockchain_last_block_height) const
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{
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if(height > blockchain_last_block_height)
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return false;
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auto it = m_points.lower_bound(height);
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if(it == m_points.end())
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return false;
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if(it->first <= blockchain_last_block_height)
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return true;
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else
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return false;
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}
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//---------------------------------------------------------------------------
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uint64_t checkpoints::get_top_checkpoint_height() const
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{
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if (!m_points.size())
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return 0;
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return (--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) const
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{
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auto it = m_points.find(height);
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if(it == m_points.end())
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return true;
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if(it->second == h)
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{
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LOG_PRINT_GREEN("CHECKPOINT PASSED FOR HEIGHT " << height << " " << h, LOG_LEVEL_0);
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return true;
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}else
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{
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LOG_ERROR("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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