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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
parent ff4d470629
commit 7bd66b01bf
No known key found for this signature in database
GPG key ID: 41DAB8343A9EC012
10 changed files with 280 additions and 48 deletions
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118
src/checkpoints/checkpoints.cpp
View file

@ -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
{
@ -160,58 +182,60 @@ namespace cryptonote
{
if (nettype == TESTNET)
{
ADD_CHECKPOINT(0, "48ca7cd3c8de5b6a4d53d2861fbdaedca141553559f9be9520068053cda8430b");
ADD_CHECKPOINT(1000000, "46b690b710a07ea051bc4a6b6842ac37be691089c0f7758cfeec4d5fc0b4a258");
ADD_CHECKPOINT(1058600, "12904f6b4d9e60fd875674e07147d2c83d6716253f046af7b894c3e81da7e1bd");
ADD_CHECKPOINT2(0, "48ca7cd3c8de5b6a4d53d2861fbdaedca141553559f9be9520068053cda8430b", "0x1");
ADD_CHECKPOINT2(1000000, "46b690b710a07ea051bc4a6b6842ac37be691089c0f7758cfeec4d5fc0b4a258", "0x7aaad7153");
ADD_CHECKPOINT2(1058600, "12904f6b4d9e60fd875674e07147d2c83d6716253f046af7b894c3e81da7e1bd", "0x971efd119");
ADD_CHECKPOINT2(1450000, "87562ca6786f41556b8d5b48067303a57dc5ca77155b35199aedaeca1550f5a0", "0xa639e2930e");
return true;
}
if (nettype == STAGENET)
{
ADD_CHECKPOINT(0, "76ee3cc98646292206cd3e86f74d88b4dcc1d937088645e9b0cbca84b7ce74eb");
ADD_CHECKPOINT(10000, "1f8b0ce313f8b9ba9a46108bfd285c45ad7c2176871fd41c3a690d4830ce2fd5");
ADD_CHECKPOINT2(0, "76ee3cc98646292206cd3e86f74d88b4dcc1d937088645e9b0cbca84b7ce74eb", "0x1");
ADD_CHECKPOINT2(10000, "1f8b0ce313f8b9ba9a46108bfd285c45ad7c2176871fd41c3a690d4830ce2fd5", "0x1d73ba");
ADD_CHECKPOINT2(550000, "409f68cddd8e74b37469b41c1e61250d81c5776b42264f416d5d27c4626383ed", "0x5f3d4d03e");
return true;
}
ADD_CHECKPOINT(1, "771fbcd656ec1464d3a02ead5e18644030007a0fc664c0a964d30922821a8148");
ADD_CHECKPOINT(10, "c0e3b387e47042f72d8ccdca88071ff96bff1ac7cde09ae113dbb7ad3fe92381");
ADD_CHECKPOINT(100, "ac3e11ca545e57c49fca2b4e8c48c03c23be047c43e471e1394528b1f9f80b2d");
ADD_CHECKPOINT(1000, "5acfc45acffd2b2e7345caf42fa02308c5793f15ec33946e969e829f40b03876");
ADD_CHECKPOINT(10000, "c758b7c81f928be3295d45e230646de8b852ec96a821eac3fea4daf3fcac0ca2");
ADD_CHECKPOINT(22231, "7cb10e29d67e1c069e6e11b17d30b809724255fee2f6868dc14cfc6ed44dfb25");
ADD_CHECKPOINT(29556, "53c484a8ed91e4da621bb2fa88106dbde426fe90d7ef07b9c1e5127fb6f3a7f6");
ADD_CHECKPOINT(50000, "0fe8758ab06a8b9cb35b7328fd4f757af530a5d37759f9d3e421023231f7b31c");
ADD_CHECKPOINT(80000, "a62dcd7b536f22e003ebae8726e9e7276f63d594e264b6f0cd7aab27b66e75e3");
ADD_CHECKPOINT(202612, "bbd604d2ba11ba27935e006ed39c9bfdd99b76bf4a50654bc1e1e61217962698");
ADD_CHECKPOINT(202613, "e2aa337e78df1f98f462b3b1e560c6b914dec47b610698b7b7d1e3e86b6197c2");
ADD_CHECKPOINT(202614, "c29e3dc37d8da3e72e506e31a213a58771b24450144305bcba9e70fa4d6ea6fb");
ADD_CHECKPOINT(205000, "5d3d7a26e6dc7535e34f03def711daa8c263785f73ec1fadef8a45880fde8063");
ADD_CHECKPOINT(220000, "9613f455933c00e3e33ac315cc6b455ee8aa0c567163836858c2d9caff111553");
ADD_CHECKPOINT(230300, "bae7a80c46859db355556e3a9204a337ae8f24309926a1312323fdecf1920e61");
ADD_CHECKPOINT(230700, "93e631240ceac831da1aebfc5dac8f722c430463024763ebafa888796ceaeedf");
ADD_CHECKPOINT(231350, "b5add137199b820e1ea26640e5c3e121fd85faa86a1e39cf7e6cc097bdeb1131");
ADD_CHECKPOINT(232150, "955de8e6b6508af2c24f7334f97beeea651d78e9ade3ab18fec3763be3201aa8");
ADD_CHECKPOINT(249380, "654fb0a81ce3e5caf7e3264a70f447d4bd07586c08fa50f6638cc54da0a52b2d");
ADD_CHECKPOINT(460000, "75037a7aed3e765db96c75bcf908f59d690a5f3390baebb9edeafd336a1c4831");
ADD_CHECKPOINT(500000, "2428f0dbe49796be05ed81b347f53e1f7f44aed0abf641446ec2b94cae066b02");
ADD_CHECKPOINT(600000, "f5828ebf7d7d1cb61762c4dfe3ccf4ecab2e1aad23e8113668d981713b7a54c5");
ADD_CHECKPOINT(700000, "12be9b3d210b93f574d2526abb9c1ab2a881b479131fd0d4f7dac93875f503cd");
ADD_CHECKPOINT(825000, "56503f9ad766774b575be3aff73245e9d159be88132c93d1754764f28da2ff60");
ADD_CHECKPOINT(900000, "d9958d0e7dcf91a5a7b11de225927bf7efc6eb26240315ce12372be902cc1337");
ADD_CHECKPOINT(913193, "5292d5d56f6ba4de33a58d9a34d263e2cb3c6fee0aed2286fd4ac7f36d53c85f");
ADD_CHECKPOINT(1000000, "a886ef5149902d8342475fee9bb296341b891ac67c4842f47a833f23c00ed721");
ADD_CHECKPOINT(1100000, "3fd720c5c8b3072fc1ccda922dec1ef25f9ed88a1e6ad4103d0fe00b180a5903");
ADD_CHECKPOINT(1150000, "1dd16f626d18e1e988490dfd06de5920e22629c972c58b4d8daddea0038627b2");
ADD_CHECKPOINT(1200000, "fa7d13a90850882060479d100141ff84286599ae39c3277c8ea784393f882d1f");
ADD_CHECKPOINT(1300000, "31b34272343a44a9f4ac7de7a8fcf3b7d8a3124d7d6870affd510d2f37e74cd0");
ADD_CHECKPOINT(1390000, "a8f5649dd4ded60eedab475f2bec8c934681c07e3cf640e9be0617554f13ff6c");
ADD_CHECKPOINT(1450000, "ac94e8860093bc7c83e4e91215cba1d663421ecf4067a0ae609c3a8b52bcfac2");
ADD_CHECKPOINT(1530000, "01759bce497ec38e63c78b1038892169203bb78f87e488172f6b854fcd63ba7e");
ADD_CHECKPOINT(1579000, "7d0d7a2346373afd41ed1e744a939fc5d474a7dbaa257be5c6fff4009e789241");
ADD_CHECKPOINT(1668900, "ac2dcaf3d2f58ffcf8391639f0f1ebafcb8eac43c49479c7c37f611868d07568");
ADD_CHECKPOINT(1775600, "1c6e01c661dc22cab939e79ec6a5272190624ce8356d2f7b958e4f9a57fdb05e");
ADD_CHECKPOINT(1856000, "9b57f17f29c71a3acd8a7904b93c41fa6eb8d2b7c73936ce4f1702d14880ba29");
ADD_CHECKPOINT(1958000, "98a5d6e51afdf3146e0eefb10a66e8648d8d4d5c2742be8835e976ba217c9bb2");
ADD_CHECKPOINT(2046000, "5e867f0b8baefed9244a681df97fc885d8ab36c3dfcd24c7a3abf3b8ac8b8314");
ADD_CHECKPOINT(2092500, "c4e00820c9c7989b49153d5e90ae095a18a11d990e82fcc3be54e6ed785472b5");
ADD_CHECKPOINT2(1, "771fbcd656ec1464d3a02ead5e18644030007a0fc664c0a964d30922821a8148", "0x2");
ADD_CHECKPOINT2(10, "c0e3b387e47042f72d8ccdca88071ff96bff1ac7cde09ae113dbb7ad3fe92381", "0x2a974");
ADD_CHECKPOINT2(100, "ac3e11ca545e57c49fca2b4e8c48c03c23be047c43e471e1394528b1f9f80b2d", "0x35d14b");
ADD_CHECKPOINT2(1000, "5acfc45acffd2b2e7345caf42fa02308c5793f15ec33946e969e829f40b03876", "0x36a0373");
ADD_CHECKPOINT2(10000, "c758b7c81f928be3295d45e230646de8b852ec96a821eac3fea4daf3fcac0ca2", "0x60a91390");
ADD_CHECKPOINT2(22231, "7cb10e29d67e1c069e6e11b17d30b809724255fee2f6868dc14cfc6ed44dfb25", "0x1e288793d");
ADD_CHECKPOINT2(29556, "53c484a8ed91e4da621bb2fa88106dbde426fe90d7ef07b9c1e5127fb6f3a7f6", "0x71f64cce8");
ADD_CHECKPOINT2(50000, "0fe8758ab06a8b9cb35b7328fd4f757af530a5d37759f9d3e421023231f7b31c", "0x893044b400");
ADD_CHECKPOINT2(80000, "a62dcd7b536f22e003ebae8726e9e7276f63d594e264b6f0cd7aab27b66e75e3", "0x5cc113f1076");
ADD_CHECKPOINT2(202612, "bbd604d2ba11ba27935e006ed39c9bfdd99b76bf4a50654bc1e1e61217962698", "0x73310a259eb2");
ADD_CHECKPOINT2(202613, "e2aa337e78df1f98f462b3b1e560c6b914dec47b610698b7b7d1e3e86b6197c2", "0x733154039b97");
ADD_CHECKPOINT2(202614, "c29e3dc37d8da3e72e506e31a213a58771b24450144305bcba9e70fa4d6ea6fb", "0x73319dc90cb6");
ADD_CHECKPOINT2(205000, "5d3d7a26e6dc7535e34f03def711daa8c263785f73ec1fadef8a45880fde8063", "0x75fcc3d85123");
ADD_CHECKPOINT2(220000, "9613f455933c00e3e33ac315cc6b455ee8aa0c567163836858c2d9caff111553", "0x89cfed0cae3c");
ADD_CHECKPOINT2(230300, "bae7a80c46859db355556e3a9204a337ae8f24309926a1312323fdecf1920e61", "0x967d13e5baa9");
ADD_CHECKPOINT2(230700, "93e631240ceac831da1aebfc5dac8f722c430463024763ebafa888796ceaeedf", "0x96fb9663ebe7");
ADD_CHECKPOINT2(231350, "b5add137199b820e1ea26640e5c3e121fd85faa86a1e39cf7e6cc097bdeb1131", "0x97b9919177bf");
ADD_CHECKPOINT2(232150, "955de8e6b6508af2c24f7334f97beeea651d78e9ade3ab18fec3763be3201aa8", "0x98a038b612e8");
ADD_CHECKPOINT2(249380, "654fb0a81ce3e5caf7e3264a70f447d4bd07586c08fa50f6638cc54da0a52b2d", "0xac9739634e6d");
ADD_CHECKPOINT2(460000, "75037a7aed3e765db96c75bcf908f59d690a5f3390baebb9edeafd336a1c4831", "0x167799549bdda");
ADD_CHECKPOINT2(500000, "2428f0dbe49796be05ed81b347f53e1f7f44aed0abf641446ec2b94cae066b02", "0x188ce145e4ba9");
ADD_CHECKPOINT2(600000, "f5828ebf7d7d1cb61762c4dfe3ccf4ecab2e1aad23e8113668d981713b7a54c5", "0x1d9f3759e1554");
ADD_CHECKPOINT2(700000, "12be9b3d210b93f574d2526abb9c1ab2a881b479131fd0d4f7dac93875f503cd", "0x2201e4ee39c2c");
ADD_CHECKPOINT2(825000, "56503f9ad766774b575be3aff73245e9d159be88132c93d1754764f28da2ff60", "0x27565a442d5df");
ADD_CHECKPOINT2(900000, "d9958d0e7dcf91a5a7b11de225927bf7efc6eb26240315ce12372be902cc1337", "0x2a6334031546e");
ADD_CHECKPOINT2(913193, "5292d5d56f6ba4de33a58d9a34d263e2cb3c6fee0aed2286fd4ac7f36d53c85f", "0x2aefe7f40f5ea");
ADD_CHECKPOINT2(1000000, "a886ef5149902d8342475fee9bb296341b891ac67c4842f47a833f23c00ed721", "0x2edd71370f0e5");
ADD_CHECKPOINT2(1100000, "3fd720c5c8b3072fc1ccda922dec1ef25f9ed88a1e6ad4103d0fe00b180a5903", "0x390eb0035c53a");
ADD_CHECKPOINT2(1150000, "1dd16f626d18e1e988490dfd06de5920e22629c972c58b4d8daddea0038627b2", "0x422d5662e9e37");
ADD_CHECKPOINT2(1200000, "fa7d13a90850882060479d100141ff84286599ae39c3277c8ea784393f882d1f", "0x4c73503fc4aa3");
ADD_CHECKPOINT2(1300000, "31b34272343a44a9f4ac7de7a8fcf3b7d8a3124d7d6870affd510d2f37e74cd0", "0x723f49bc249d5");
ADD_CHECKPOINT2(1390000, "a8f5649dd4ded60eedab475f2bec8c934681c07e3cf640e9be0617554f13ff6c", "0xb4bba65e2841b");
ADD_CHECKPOINT2(1450000, "ac94e8860093bc7c83e4e91215cba1d663421ecf4067a0ae609c3a8b52bcfac2", "0x11a4aabdca9511");
ADD_CHECKPOINT2(1530000, "01759bce497ec38e63c78b1038892169203bb78f87e488172f6b854fcd63ba7e", "0x2819ce9f9e91e5");
ADD_CHECKPOINT2(1579000, "7d0d7a2346373afd41ed1e744a939fc5d474a7dbaa257be5c6fff4009e789241", "0x357a590e7dda83");
ADD_CHECKPOINT2(1668900, "ac2dcaf3d2f58ffcf8391639f0f1ebafcb8eac43c49479c7c37f611868d07568", "0x474226e475cc3b");
ADD_CHECKPOINT2(1775600, "1c6e01c661dc22cab939e79ec6a5272190624ce8356d2f7b958e4f9a57fdb05e", "0x5e3b9d206a27c6");
ADD_CHECKPOINT2(1856000, "9b57f17f29c71a3acd8a7904b93c41fa6eb8d2b7c73936ce4f1702d14880ba29", "0x6bde5e1caccee1");
ADD_CHECKPOINT2(1958000, "98a5d6e51afdf3146e0eefb10a66e8648d8d4d5c2742be8835e976ba217c9bb2", "0x79dd46d2a0971a");
ADD_CHECKPOINT2(2046000, "5e867f0b8baefed9244a681df97fc885d8ab36c3dfcd24c7a3abf3b8ac8b8314", "0x9cb8b6ff2978c6");
ADD_CHECKPOINT2(2092500, "c4e00820c9c7989b49153d5e90ae095a18a11d990e82fcc3be54e6ed785472b5", "0xb4e585a31369cb");
return true;
}

13
src/checkpoints/checkpoints.h
View file

@ -33,8 +33,10 @@
#include "misc_log_ex.h"
#include "crypto/hash.h"
#include "cryptonote_config.h"
#include "cryptonote_basic/difficulty.h"
#define ADD_CHECKPOINT(h, hash) CHECK_AND_ASSERT(add_checkpoint(h, hash), false);
#define ADD_CHECKPOINT2(h, hash, difficulty) CHECK_AND_ASSERT(add_checkpoint(h, hash, difficulty), false);
#define JSON_HASH_FILE_NAME "checkpoints.json"
@ -61,12 +63,13 @@ namespace cryptonote
*
* @param height the height of the block the checkpoint is for
* @param hash_str the hash of the block, as a string
* @param difficulty_str the cumulative difficulty of the block, as a string (optional)
*
* @return false if parsing the hash fails, or if the height is a duplicate
* AND the existing checkpoint hash does not match the new one,
* otherwise returns true
*/
bool add_checkpoint(uint64_t height, const std::string& hash_str);
bool add_checkpoint(uint64_t height, const std::string& hash_str, const std::string& difficulty_str = "");
/**
* @brief checks if there is a checkpoint in the future
@ -133,6 +136,13 @@ namespace cryptonote
*/
const std::map<uint64_t, crypto::hash>& get_points() const;
/**
* @brief gets the difficulty checkpoints container
*
* @return a const reference to the difficulty checkpoints container
*/
const std::map<uint64_t, difficulty_type>& get_difficulty_points() const;
/**
* @brief checks if our checkpoints container conflicts with another
*
@ -187,6 +197,7 @@ namespace cryptonote
private:
std::map<uint64_t, crypto::hash> m_points; //!< the checkpoints container
std::map<uint64_t, difficulty_type> m_difficulty_points; //!< the difficulty checkpoints container
};
}