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Check for missing data from monerod on each new block

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It helps in these cases:
- monerod was down/unavailable for a while and then restarted
- monerod was out of sync and then jumped several block heights ahead
This commit is contained in:
SChernykh 2021-10-31 12:20:29 +01:00
parent 981b161cc9
commit eaed654012
1 changed files with 36 additions and 1 deletions
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37
src/p2pool.cpp
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@ -234,6 +234,41 @@ void p2pool::handle_miner_data(MinerData& data)
}
m_zmqLastActive = time(nullptr);
if (m_serversStarted.load()) {
std::vector<uint64_t> missing_heights;
{
WriteLock lock(m_mainchainLock);
for (uint64_t h = data.height; h && (h + BLOCK_HEADERS_REQUIRED > data.height); --h) {
if (m_mainchainByHeight.find(h) == m_mainchainByHeight.end()) {
LOGWARN(3, "Mainchain data for height " << h << " is missing, requesting it from monerod again");
missing_heights.push_back(h);
}
}
}
for (uint64_t h : missing_heights) {
char buf[log::Stream::BUF_SIZE + 1];
log::Stream s(buf);
s << "{\"jsonrpc\":\"2.0\",\"id\":\"0\",\"method\":\"get_block_header_by_height\",\"params\":{\"height\":" << h << "}}\0";
JSONRPCRequest::call(m_params->m_host.c_str(), m_params->m_rpcPort, buf,
[this, h](const char* data, size_t size)
{
ChainMain block;
if (!parse_block_header(data, size, block)) {
LOGERR(1, "couldn't download block header for height " << h);
}
},
[h](const char* data, size_t size)
{
if (size > 0) {
LOGERR(1, "couldn't download block header for height " << h << ", error " << log::const_buf(data, size));
}
});
}
}
}
const char* BLOCK_FOUND = "\n\
@ -1075,7 +1110,7 @@ void p2pool::cleanup_mainchain_data(uint64_t height)
// Expects m_mainchainLock to be already locked here
// Deletes everything older than 720 blocks, except for the 3 latest RandomX seed heights
constexpr uint64_t PRUNE_DISTANCE = 720;
constexpr uint64_t PRUNE_DISTANCE = BLOCK_HEADERS_REQUIRED;
const uint64_t seed_height = get_seed_height(height);
const std::array<uint64_t, 3> seed_heights{ seed_height, seed_height - SEEDHASH_EPOCH_BLOCKS, seed_height - SEEDHASH_EPOCH_BLOCKS * 2 };