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Add in-memory cache to CQuorumBlockProcessor::HasMinedCommitment

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This commit is contained in:
Alexander Block 2019-02-26 07:20:47 +01:00
parent f305cf77b6
commit 677c0040cd
2 changed files with 27 additions and 1 deletions
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24
src/llmq/quorums_blockprocessor.cpp
View File

@ -199,6 +199,11 @@ bool CQuorumBlockProcessor::ProcessCommitment(const CBlockIndex* pindex, const C
evoDb.Write(std::make_pair(DB_FIRST_MINED_COMMITMENT, (uint8_t)params.type), quorumHash);
}
{
LOCK(minableCommitmentsCs);
hasMinedCommitmentCache.erase(std::make_pair(params.type, quorumHash));
}
LogPrintf("CQuorumBlockProcessor::%s -- processed commitment from block. type=%d, quorumHash=%s, signers=%s, validMembers=%d, quorumPublicKey=%s\n", __func__,
qc.llmqType, quorumHash.ToString(), qc.CountSigners(), qc.CountValidMembers(), qc.quorumPublicKey.ToString());
@ -222,6 +227,10 @@ bool CQuorumBlockProcessor::UndoBlock(const CBlock& block, const CBlockIndex* pi
}
evoDb.Erase(std::make_pair(DB_MINED_COMMITMENT, std::make_pair(qc.llmqType, qc.quorumHash)));
{
LOCK(minableCommitmentsCs);
hasMinedCommitmentCache.erase(std::make_pair((Consensus::LLMQType)qc.llmqType, qc.quorumHash));
}
// if a reorg happened, we should allow to mine this commitment later
AddMinableCommitment(qc);
@ -309,8 +318,21 @@ uint256 CQuorumBlockProcessor::GetQuorumBlockHash(Consensus::LLMQType llmqType,
bool CQuorumBlockProcessor::HasMinedCommitment(Consensus::LLMQType llmqType, const uint256& quorumHash)
{
auto cacheKey = std::make_pair(llmqType, quorumHash);
{
LOCK(minableCommitmentsCs);
auto cacheIt = hasMinedCommitmentCache.find(cacheKey);
if (cacheIt != hasMinedCommitmentCache.end()) {
return cacheIt->second;
}
}
auto key = std::make_pair(DB_MINED_COMMITMENT, std::make_pair((uint8_t)llmqType, quorumHash));
return evoDb.Exists(key);
bool ret = evoDb.Exists(key);
LOCK(minableCommitmentsCs);
hasMinedCommitmentCache.emplace(cacheKey, ret);
return ret;
}
bool CQuorumBlockProcessor::GetMinedCommitment(Consensus::LLMQType llmqType, const uint256& quorumHash, CFinalCommitment& ret)

4
src/llmq/quorums_blockprocessor.h
View File

@ -6,12 +6,14 @@
#define DASH_QUORUMS_BLOCKPROCESSOR_H
#include "llmq/quorums_commitment.h"
#include "llmq/quorums_utils.h"
#include "consensus/params.h"
#include "primitives/transaction.h"
#include "sync.h"
#include <map>
#include <unordered_map>
class CNode;
class CConnman;
@ -29,6 +31,8 @@ private:
std::map<std::pair<Consensus::LLMQType, uint256>, uint256> minableCommitmentsByQuorum;
std::map<uint256, CFinalCommitment> minableCommitments;
std::unordered_map<std::pair<Consensus::LLMQType, uint256>, bool> hasMinedCommitmentCache;
public:
CQuorumBlockProcessor(CEvoDB& _evoDb) : evoDb(_evoDb) {}