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@ -2067,23 +2067,35 @@ bool P2PServer::P2PClient::handle_incoming_block_async(const PoolBlock* block, u
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// Limit system clock difference between connected peers
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if (max_time_delta) {
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static uint64_t total_checks = 0;
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static uint64_t failed_checks = 0;
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static hash prev_checked_block;
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if (block->m_sidechainId != prev_checked_block) {
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prev_checked_block = block->m_sidechainId;
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++total_checks;
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const uint64_t t = time(nullptr);
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const uint32_t failed = ((block->m_timestamp + max_time_delta < t) || (block->m_timestamp > t + max_time_delta)) ? 1 : 0;
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const uint64_t t = time(nullptr);
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if ((block->m_timestamp + max_time_delta < t) || (block->m_timestamp > t + max_time_delta)) {
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LOGWARN(4, "peer " << static_cast<char*>(m_addrString)
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<< " sent a block (mined by " << block->m_minerWallet << ") with an invalid timestamp " << block->m_timestamp
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<< " (your local timestamp is " << t << ")");
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static uint32_t failed_history = 0;
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failed_history = (failed_history << 1) | failed;
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++failed_checks;
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if ((total_checks > 10) && (failed_checks * 4 > total_checks * 3)) {
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LOGWARN(1, "Your system clock might be invalid: " << failed_checks << " of " << total_checks << " blocks were rejected due to timestamp difference");
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}
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if (failed) {
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LOGWARN(4, "peer " << static_cast<char*>(m_addrString)
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<< " sent a block (mined by " << block->m_minerWallet << ") with an invalid timestamp " << block->m_timestamp
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<< " (your local timestamp is " << t << ")");
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uint32_t failed_checks = 0;
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for (uint32_t k = 1; k != 0; k <<= 1) {
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if (failed_history & k) {
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++failed_checks;
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}
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}
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if (failed_checks > 16) {
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LOGWARN(1, "Your system clock might be invalid: " << failed_checks << " of 32 last blocks were rejected due to timestamp difference");
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}
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return true;
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return true;
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}
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}
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}
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