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Fix csBestBlock/cvBlockChange waiting in rpc/mining

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Github-Pull: #12743
Rebased-From: 45dd13503918e75a45ce33eb5c934b998790fdc8
This commit is contained in:
Pieter Wuille 2018-03-20 21:04:27 -07:00 committed by MarcoFalke
parent 88d1a649a2
commit 657dfc5bca
3 changed files with 8 additions and 2 deletions
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2
src/rpc/mining.cpp
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@ -477,7 +477,7 @@ UniValue getblocktemplate(const JSONRPCRequest& request)
checktxtime = std::chrono::steady_clock::now() + std::chrono::minutes(1); checktxtime = std::chrono::steady_clock::now() + std::chrono::minutes(1);
WaitableLock lock(csBestBlock); WaitableLock lock(csBestBlock);
while (chainActive.Tip()->GetBlockHash() == hashWatchedChain && IsRPCRunning()) while (hashBestBlock == hashWatchedChain && IsRPCRunning())
{ {
if (cvBlockChange.wait_until(lock, checktxtime) == std::cv_status::timeout) if (cvBlockChange.wait_until(lock, checktxtime) == std::cv_status::timeout)
{ {

7
src/validation.cpp
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@ -210,6 +210,7 @@ CChain& chainActive = g_chainstate.chainActive;
CBlockIndex *pindexBestHeader = nullptr; CBlockIndex *pindexBestHeader = nullptr;
CWaitableCriticalSection csBestBlock; CWaitableCriticalSection csBestBlock;
CConditionVariable cvBlockChange; CConditionVariable cvBlockChange;
uint256 hashBestBlock;
int nScriptCheckThreads = 0; int nScriptCheckThreads = 0;
std::atomic_bool fImporting(false); std::atomic_bool fImporting(false);
std::atomic_bool fReindex(false); std::atomic_bool fReindex(false);
@ -2151,7 +2152,11 @@ void static UpdateTip(const CBlockIndex *pindexNew, const CChainParams& chainPar
// New best block // New best block
mempool.AddTransactionsUpdated(1); mempool.AddTransactionsUpdated(1);
cvBlockChange.notify_all(); {
WaitableLock lock(csBestBlock);
hashBestBlock = pindexNew->GetBlockHash();
cvBlockChange.notify_all();
}
std::vector<std::string> warningMessages; std::vector<std::string> warningMessages;
if (!IsInitialBlockDownload()) if (!IsInitialBlockDownload())

1
src/validation.h
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@ -166,6 +166,7 @@ extern uint64_t nLastBlockWeight;
extern const std::string strMessageMagic; extern const std::string strMessageMagic;
extern CWaitableCriticalSection csBestBlock; extern CWaitableCriticalSection csBestBlock;
extern CConditionVariable cvBlockChange; extern CConditionVariable cvBlockChange;
extern uint256 hashBestBlock;
extern std::atomic_bool fImporting; extern std::atomic_bool fImporting;
extern std::atomic_bool fReindex; extern std::atomic_bool fReindex;
extern int nScriptCheckThreads; extern int nScriptCheckThreads;