wownero/src/cryptonote_core/checkpoints.cpp

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2014-03-03 22:07:58 +00:00
// Copyright (c) 2012-2013 The Cryptonote developers
// Distributed under the MIT/X11 software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include "include_base_utils.h"
using namespace epee;
#include "checkpoints.h"
namespace cryptonote
{
//---------------------------------------------------------------------------
checkpoints::checkpoints()
{
}
//---------------------------------------------------------------------------
bool checkpoints::add_checkpoint(uint64_t height, const std::string& hash_str)
{
crypto::hash h = null_hash;
bool r = epee::string_tools::parse_tpod_from_hex_string(hash_str, h);
CHECK_AND_ASSERT_MES(r, false, "WRONG HASH IN CHECKPOINTS!!!");
CHECK_AND_ASSERT_MES(0 == m_points.count(height), false, "WRONG HASH IN CHECKPOINTS!!!");
m_points[height] = h;
return true;
}
//---------------------------------------------------------------------------
bool checkpoints::is_in_checkpoint_zone(uint64_t height) const
{
return !m_points.empty() && (height <= (--m_points.end())->first);
}
//---------------------------------------------------------------------------
bool checkpoints::check_block(uint64_t height, const crypto::hash& h) const
{
auto it = m_points.find(height);
if(it == m_points.end())
return true;
if(it->second == h)
{
LOG_PRINT_GREEN("CHECKPOINT PASSED FOR HEIGHT " << height << " " << h, LOG_LEVEL_0);
return true;
}else
{
LOG_ERROR("CHECKPOINT FAILED FOR HEIGHT " << height << ". EXPECTED HASH: " << it->second << ", FETCHED HASH: " << h);
return false;
}
}
}