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daemon: guard against rare 'difficulty drift' bug with checkpoints and recalculation

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On startup, it checks against the difficulty checkpoints, and if any mismatch is found, recalculates all the blocks with wrong difficulties. Additionally, once a week it recalculates difficulties of blocks after the last difficulty checkpoint.
This commit is contained in:
stoffu
2020-05-15 10:56:23 +09:00
committed by wowario
parent 6a829c77e1
commit 5b83ccbb2d
10 changed files with 242 additions and 63 deletions
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95
src/checkpoints/checkpoints.cpp
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@@ -72,7 +72,7 @@ namespace cryptonote
{
}
//---------------------------------------------------------------------------
bool checkpoints::add_checkpoint(uint64_t height, const std::string& hash_str)
bool checkpoints::add_checkpoint(uint64_t height, const std::string& hash_str, const std::string& difficulty_str)
{
crypto::hash h = crypto::null_hash;
bool r = epee::string_tools::hex_to_pod(hash_str, h);
@@ -84,6 +84,23 @@ namespace cryptonote
CHECK_AND_ASSERT_MES(h == m_points[height], false, "Checkpoint at given height already exists, and hash for new checkpoint was different!");
}
m_points[height] = h;
if (!difficulty_str.empty())
{
try
{
difficulty_type difficulty(difficulty_str);
if (m_difficulty_points.count(height))
{
CHECK_AND_ASSERT_MES(difficulty == m_difficulty_points[height], false, "Difficulty checkpoint at given height already exists, and difficulty for new checkpoint was different!");
}
m_difficulty_points[height] = difficulty;
}
catch (...)
{
LOG_ERROR("Failed to parse difficulty checkpoint: " << difficulty_str);
return false;
}
}
return true;
}
//---------------------------------------------------------------------------
@@ -143,6 +160,11 @@ namespace cryptonote
{
return m_points;
}
//---------------------------------------------------------------------------
const std::map<uint64_t, difficulty_type>& checkpoints::get_difficulty_points() const
{
return m_difficulty_points;
}
bool checkpoints::check_for_conflicts(const checkpoints& other) const
{
@@ -166,67 +188,16 @@ namespace cryptonote
{
return true;
}
ADD_CHECKPOINT(1, "97f4ce4d7879b3bea54dcec738cd2ebb7952b4e9bb9743262310cd5fec749340");
ADD_CHECKPOINT(10, "305472c87ff86d8afb3ec42634828462b0ed3d929fc05fa1ae668c3bee04837a");
ADD_CHECKPOINT(100, "a92b9deae26e19322041cbc2f850fa905748ae1e5bf69b35ca90b247c5cbfc04");
ADD_CHECKPOINT(1000, "62921e13030b29264439cafaf8320cf8aa039ee6ba7ba29c72f11b50a079269a");
ADD_CHECKPOINT(2000, "b3e1d73e3d0243239481aa76cb075cf2428556f5dc4f2e30428ea2ba36693e97");
ADD_CHECKPOINT(3000, "83a6e1ab394e80b8442b7b70b0e4c3a9fa0143e0ca51a33e829537ef5dd1bf13");
ADD_CHECKPOINT(4000, "7c70722d8cb8106b4bec67e1790614cc6e98db7afd0843b96cdff6960a0e0073");
ADD_CHECKPOINT(5000, "331ee74008e174e5fd1956f64c52793961b321a1366f7c6f7d324e8265df34f6");
ADD_CHECKPOINT(6969, "aa7b66e8c461065139b55c29538a39c33ceda93e587f84d490ed573d80511c87"); //Hard fork to v8
ADD_CHECKPOINT(7000, "2711bd33b107f744ad8bf98c1acefa18658780079496bd2f3a36f2e20b261f8e");
ADD_CHECKPOINT(7500, "5975967c4624f13f058acafe7adf9355e03e8e802eeadc84ccb22ea588bc0762");
ADD_CHECKPOINT(7900, "d9bc18cb35feb6b26bc5a19bbdbf7c852d9cc02883acb5bbce2e87d8b2c86069");
ADD_CHECKPOINT(10000, "bc5bfbf1b26c8f976d1d792ece4c6a7e93064bec62b72f1d5beae74c3f273b3b");
ADD_CHECKPOINT(20000, "52cc7edcb49eb02f28a653b824089a726f4050eb210263ee6f4180d388a1e5cc");
ADD_CHECKPOINT(30000, "d22fde5dd240ade16d3250eb0aa5d1c16dc7cb51c20484e05eb274911032b3fa");
ADD_CHECKPOINT(40000, "aee0d642322542ba069cb1c58ab2acd3560f108d4682c3dc3cb15a54d442d91f");
ADD_CHECKPOINT(50000, "5286ac2a0f39b3aefcba363cd71f2760bd1e0d763cbc81026ebdc3f80a86541f");
ADD_CHECKPOINT(53666, "3f43f56f66ef0c43cf2fd14d0d28fa2aae0ef8f40716773511345750770f1255"); //Hard fork to v9
ADD_CHECKPOINT(54500, "8ed3078b389c2b44add007803d741b58d3fbed2e1ba4139bda702152d8773c9b");
ADD_CHECKPOINT(55000, "4b662ceccefc3247edb4d654dd610b8fb496e85b88a5de43cc2bdd28171b15ff");
ADD_CHECKPOINT(57000, "08a79f09f12bb5d230b63963356a760d51618e526cfc636047a6f3798217c177");
ADD_CHECKPOINT(59000, "180b51ee2c5fbcd4362eb7a29df9422481310dd77d10bccdf8930724c31e007e");
ADD_CHECKPOINT(59900, "18cc0653ef39cb304c68045dba5eb6b885f936281cd939dea04d0e6c9cd4ae2e");
ADD_CHECKPOINT(60000, "0f02aa57a63f79f63dafed9063abe228a37cb19f00430dc3168b8a8f4ae8016c");
ADD_CHECKPOINT(61000, "509aca8c54eb5fe44623768757b6e890ae39d512478c75f614cbff3d91809350");
ADD_CHECKPOINT(62000, "7fe91ad256c08dbd961e04738968be22fb481093fbfa7959bde7796ccceba0e2");
ADD_CHECKPOINT(62150, "1a7c75f8ebeda0e20eb5877181eafd7db0fc887e3fed43e0b27ab2e7bccafd10");
ADD_CHECKPOINT(62269, "4969555d60742afb93925fd96d83ac28f45e6e3c0e583c9fb3c92d9b2100d38f");
ADD_CHECKPOINT(62405, "4d0ae890cf9f875f231c7069508ad28dc429d14814b52db114dfab7519a27584");
ADD_CHECKPOINT(62419, "bd8bf5ac4c4fb07ab4d0d492bd1699def5c095ab6943ad3b63a89d1d8b1ce748");
ADD_CHECKPOINT(62425, "41a922dba6f3906871b2ccaf31ec9c91033470c503959093dae796deda8940ea");
ADD_CHECKPOINT(62479, "a2e8ff4205ba2980eb70921b0b21b5fc656ee273664ea94b860c68ca069b60dd");
ADD_CHECKPOINT(62503, "25fa115962988b4b8f8cfd22744a3e653b22ead8c8468e64caf334fc75a97d08");
ADD_CHECKPOINT(62550, "bde522a8a81c392c98c979434aa1dd9d20b4ca52230ba6ae0362872757808a48");
ADD_CHECKPOINT(62629, "8368e1ce1d421f1fc969364558433e2b2363d0ffcb5f2d946633095e3e6734f5");
ADD_CHECKPOINT(62720, "f871cddd75951e2fe24c282d2bd28396fc922ea519b354ace992a0162cb333ff");
ADD_CHECKPOINT(62733, "8331dbeeaf23173d2235a062373a437befadb6492cceb7640127bf18653a9e61");
ADD_CHECKPOINT(62877, "62d44adc05d7d4fd9d15239c5575612207beab0bcf2da49158bf89e365441ca1");
ADD_CHECKPOINT(63469, "4e33a9343fc5b86661ec0affaeb5b5a065290602c02d817337e4a979fe5747d8"); //Hard fork to v10
ADD_CHECKPOINT(69800, "5c65428a664738bc083d1ccd6a1b5ff4305f98e7633f44033816801429b33ce1");
ADD_CHECKPOINT(75000, "e93492f79b5344e7edb31537ee65b3e908bf71110cff8188c0c62fefc015d342");
ADD_CHECKPOINT(79500, "9bbfd6f2257ce9084de30179944b7695c9b918c9c03a8a63306ab6c5828ff857");
ADD_CHECKPOINT(80920, "8fca818344f97ea3912557cbd8be659cf6a5bc1203514c27338e234251d72dfb");
ADD_CHECKPOINT(81769, "41db9fef8d0ccfa78b570ee9525d4f55de77b510c3ae4b08a1d51b9aec9ade1d"); //Hard fork to v11
ADD_CHECKPOINT(82069, "fdea800d23d0b2eea19dec8af31e453e883e8315c97e25c8bb3e88ca164f8369"); //Hard fork to v12
ADD_CHECKPOINT(85000, "31d62ab75470b15aedee6674b78767b53f10951786e991c26035743c267b247a");
ADD_CHECKPOINT(87000, "a788e5a7233ca2198ad6446ddc454b05d578e72253ed2bbca969527230f6eec2");
ADD_CHECKPOINT(88200, "50bb43d5d563524d6b9f308a2483b80934bab2ab5250757558318834476f1cfb");
ADD_CHECKPOINT(100000, "0c1f3bec32fe4ac9bd4b6ce1f4dfc52824f0947d756c9a1a453252c9423071f5");
ADD_CHECKPOINT(111450, "d6eadc95607765b36afd8b9148eac20eb101632021348cd34371fc1d8b67f6b6");
ADD_CHECKPOINT(114969, "b48245956b87f243048fd61021f4b3e5443e57eee7ff8ba4762d18926e80b80c"); //Hard fork to v13
ADD_CHECKPOINT(114980, "3a96963b93154889bd7d59c8a60cf8005e864b930627616e51a4ad11cd9a3d50");
ADD_CHECKPOINT(115257, "338e056551087fe23d6c4b4280244bc5362b004716d85ec799a775f190f9fea9"); //Hard fork to v14
ADD_CHECKPOINT(118500, "2ef1cd0c68f1b8e1acf384109431b6377dbdbd6705964be17b7358c47ea07447");
ADD_CHECKPOINT(157400, "44445d1fcc845b4d6f8e7730c50af64c09031003d584cdeaa04d6523e0acc049");
ADD_CHECKPOINT(160777, "9496690579af21f38f00e67e11c2e85a15912fe4f412aad33d1162be1579e755"); //Hard fork to v15
ADD_CHECKPOINT(194444, "0aa7ea6ade2ee8f5a525a079c53888fac415826ee8d1e8c92caa52629773db35");
ADD_CHECKPOINT(200500, "1e5c7af11e19a94f334576d79fe0179ff493ce378701f3f810b674db2760c228");
ADD_CHECKPOINT(211300, "f712b6dc0dfe896d18c5ca9097144d05ef8810b11277663638c0963d96ea172c");
ADD_CHECKPOINT(223800, "878d805ce24368a48c4bd36283f3c53510e86b09511ec6770fbaca8f1fd3c55b");
ADD_CHECKPOINT2(1, "97f4ce4d7879b3bea54dcec738cd2ebb7952b4e9bb9743262310cd5fec749340", "0x2");
ADD_CHECKPOINT2(6969, "aa7b66e8c461065139b55c29538a39c33ceda93e587f84d490ed573d80511c87", "0x118eef693fd"); //Hard fork to v8
ADD_CHECKPOINT2(53666, "3f43f56f66ef0c43cf2fd14d0d28fa2aae0ef8f40716773511345750770f1255", "0xb677d6405ae"); //Hard fork to v9
ADD_CHECKPOINT2(63469, "4e33a9343fc5b86661ec0affaeb5b5a065290602c02d817337e4a979fe5747d8", "0xe7cd9819062"); //Hard fork to v10
ADD_CHECKPOINT2(81769, "41db9fef8d0ccfa78b570ee9525d4f55de77b510c3ae4b08a1d51b9aec9ade1d", "0x150066455b88"); //Hard fork to v11
ADD_CHECKPOINT2(82069, "fdea800d23d0b2eea19dec8af31e453e883e8315c97e25c8bb3e88ca164f8369", "0x15079b5fdaa8"); //Hard fork to v12
ADD_CHECKPOINT2(114969, "b48245956b87f243048fd61021f4b3e5443e57eee7ff8ba4762d18926e80b80c", "0x1ca552b3ec68"); //Hard fork to v13
ADD_CHECKPOINT2(115257, "338e056551087fe23d6c4b4280244bc5362b004716d85ec799a775f190f9fea9", "0x1cb25f5d4628"); //Hard fork to v14
ADD_CHECKPOINT2(160777, "9496690579af21f38f00e67e11c2e85a15912fe4f412aad33d1162be1579e755", "0x5376eaa196a8"); //Hard fork to v15
ADD_CHECKPOINT2(230200, "0ebb018c452fa84997f573937db67ef3946a857ee57cd40fa51ffe368896c666", "0xbcc1409c7268");
return true;
}