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Fixed autodiff when running for a long time

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16-bit wrap around wasn't processed correctly
This commit is contained in:
SChernykh
2022-07-05 10:02:18 +02:00
parent 64baf660bb
commit 340a3e85c8
1 changed files with 2 additions and 2 deletions
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src/stratum_server.cpp
+2 -2
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@@ -614,14 +614,14 @@ void StratumServer::update_auto_diff(StratumClient* client, const uint64_t times
if (k >= N) { if (k >= N) {
// Full window // Full window
const uint64_t dt = t2 - t1; const uint16_t dt = t2 - t1;
client->m_autoDiff.lo = std::max<uint64_t>((client->m_autoDiffWindowHashes * AUTO_DIFF_TARGET_TIME) / (dt ? dt : 1), MIN_DIFF); client->m_autoDiff.lo = std::max<uint64_t>((client->m_autoDiffWindowHashes * AUTO_DIFF_TARGET_TIME) / (dt ? dt : 1), MIN_DIFF);
client->m_autoDiff.hi = 0; client->m_autoDiff.hi = 0;
} }
else if (k >= 10) { else if (k >= 10) {
// Partial window // Partial window
const uint64_t h0 = hash_uncompress(client->m_autoDiffData[0].m_hashes); const uint64_t h0 = hash_uncompress(client->m_autoDiffData[0].m_hashes);
const uint64_t dt = client->m_autoDiffData[k].m_timestamp - client->m_autoDiffData[0].m_timestamp; const uint16_t dt = client->m_autoDiffData[k].m_timestamp - client->m_autoDiffData[0].m_timestamp;
client->m_autoDiff.lo = std::max<uint64_t>(((client->m_autoDiffWindowHashes - h0) * AUTO_DIFF_TARGET_TIME) / (dt ? dt : 1), MIN_DIFF); client->m_autoDiff.lo = std::max<uint64_t>(((client->m_autoDiffWindowHashes - h0) * AUTO_DIFF_TARGET_TIME) / (dt ? dt : 1), MIN_DIFF);
client->m_autoDiff.hi = 0; client->m_autoDiff.hi = 0;