Merge pull request #5128

a17da720 Print the reason why a notification spec failed to parse (moneromooo-monero)
356d8137 blockchain: include number of discarded blocks in --reorg-notify (moneromooo-monero)
4d598e3d core: add a few more block rate window sizes (moneromooo-monero)
d4fb9641 core: add --block-rate-notify (moneromooo-monero)
28b6dbf2 notify: fix tokenizing being too strict (moneromooo-monero)
This commit is contained in:
Riccardo Spagni 2019-03-04 14:58:04 +02:00
commit 194c4c0bcb
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GPG key ID: 55432DF31CCD4FCD
5 changed files with 43 additions and 8 deletions

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@ -48,7 +48,7 @@ Notify::Notify(const char *spec)
{
CHECK_AND_ASSERT_THROW_MES(spec, "Null spec");
boost::split(args, spec, boost::is_any_of(" "));
boost::split(args, spec, boost::is_any_of(" \t"), boost::token_compress_on);
CHECK_AND_ASSERT_THROW_MES(args.size() > 0, "Failed to parse spec");
if (strchr(spec, '\'') || strchr(spec, '\"') || strchr(spec, '\\'))
MWARNING("A notification spec contains a quote or backslash: note that these are handled verbatim, which may not be the intent");

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@ -1056,6 +1056,7 @@ bool Blockchain::switch_to_alternative_blockchain(std::list<blocks_ext_by_hash::
}
// if we're to keep the disconnected blocks, add them as alternates
const size_t discarded_blocks = disconnected_chain.size();
if(!discard_disconnected_chain)
{
//pushing old chain as alternative chain
@ -1083,7 +1084,7 @@ bool Blockchain::switch_to_alternative_blockchain(std::list<blocks_ext_by_hash::
std::shared_ptr<tools::Notify> reorg_notify = m_reorg_notify;
if (reorg_notify)
reorg_notify->notify("%s", std::to_string(split_height).c_str(), "%h", std::to_string(m_db->height()).c_str(),
"%n", std::to_string(m_db->height() - split_height).c_str(), NULL);
"%n", std::to_string(m_db->height() - split_height).c_str(), "%d", std::to_string(discarded_blocks).c_str(), NULL);
MGINFO_GREEN("REORGANIZE SUCCESS! on height: " << split_height << ", new blockchain size: " << m_db->height());
return true;

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@ -188,8 +188,21 @@ namespace cryptonote
static const command_line::arg_descriptor<std::string> arg_reorg_notify = {
"reorg-notify"
, "Run a program for each reorg, '%s' will be replaced by the split height, "
"'%h' will be replaced by the new blockchain height, and '%n' will be "
"replaced by the number of new blocks in the new chain"
"'%h' will be replaced by the new blockchain height, '%n' will be "
"replaced by the number of new blocks in the new chain, and '%d' will be "
"replaced by the number of blocks discarded from the old chain"
, ""
};
static const command_line::arg_descriptor<std::string> arg_block_rate_notify = {
"block-rate-notify"
, "Run a program when the block rate undergoes large fluctuations. This might "
"be a sign of large amounts of hash rate going on and off the Monero network, "
"and thus be of potential interest in predicting attacks. %t will be replaced "
"by the number of minutes for the observation window, %b by the number of "
"blocks observed within that window, and %e by the number of blocks that was "
"expected in that window. It is suggested that this notification is used to "
"automatically increase the number of confirmations required before a payment "
"is acted upon."
, ""
};
@ -308,6 +321,7 @@ namespace cryptonote
command_line::add_arg(desc, arg_block_notify);
command_line::add_arg(desc, arg_prune_blockchain);
command_line::add_arg(desc, arg_reorg_notify);
command_line::add_arg(desc, arg_block_rate_notify);
miner::init_options(desc);
BlockchainDB::init_options(desc);
@ -587,7 +601,7 @@ namespace cryptonote
}
catch (const std::exception &e)
{
MERROR("Failed to parse block notify spec");
MERROR("Failed to parse block notify spec: " << e.what());
}
try
@ -597,7 +611,17 @@ namespace cryptonote
}
catch (const std::exception &e)
{
MERROR("Failed to parse reorg notify spec");
MERROR("Failed to parse reorg notify spec: " << e.what());
}
try
{
if (!command_line::is_arg_defaulted(vm, arg_block_rate_notify))
m_block_rate_notify.reset(new tools::Notify(command_line::get_arg(vm, arg_block_rate_notify).c_str()));
}
catch (const std::exception &e)
{
MERROR("Failed to parse block rate notify spec: " << e.what());
}
const std::pair<uint8_t, uint64_t> regtest_hard_forks[3] = {std::make_pair(1, 0), std::make_pair(Blockchain::get_hard_fork_heights(MAINNET).back().version, 1), std::make_pair(0, 0)};
@ -1765,7 +1789,7 @@ namespace cryptonote
const time_t now = time(NULL);
const std::vector<time_t> timestamps = m_blockchain_storage.get_last_block_timestamps(60);
static const unsigned int seconds[] = { 5400, 1800, 600 };
static const unsigned int seconds[] = { 5400, 3600, 1800, 1200, 600 };
for (size_t n = 0; n < sizeof(seconds)/sizeof(seconds[0]); ++n)
{
unsigned int b = 0;
@ -1776,6 +1800,14 @@ namespace cryptonote
if (p < threshold)
{
MWARNING("There were " << b << " blocks in the last " << seconds[n] / 60 << " minutes, there might be large hash rate changes, or we might be partitioned, cut off from the Monero network or under attack. Or it could be just sheer bad luck.");
std::shared_ptr<tools::Notify> block_rate_notify = m_block_rate_notify;
if (block_rate_notify)
{
auto expected = seconds[n] / DIFFICULTY_TARGET_V2;
block_rate_notify->notify("%t", std::to_string(seconds[n] / 60).c_str(), "%b", std::to_string(b).c_str(), "%e", std::to_string(expected).c_str(), NULL);
}
break; // no need to look further
}
}

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@ -1062,6 +1062,8 @@ namespace cryptonote
bool m_fluffy_blocks_enabled;
bool m_offline;
bool m_pad_transactions;
std::shared_ptr<tools::Notify> m_block_rate_notify;
};
}

View file

@ -373,7 +373,7 @@ std::unique_ptr<tools::wallet2> make_basic(const boost::program_options::variabl
}
catch (const std::exception &e)
{
MERROR("Failed to parse tx notify spec");
MERROR("Failed to parse tx notify spec: " << e.what());
}
return wallet;