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CGovernanceManager initialization fix (#1138)

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* Fix CGovernanceManager initialization problem

* Added logging messages for cases where CGovernanceManager receives a message while not synced

* Prevent potential NULL pointer dereference
This commit is contained in:
Tim Flynn 2016-11-12 06:14:50 -05:00 committed by UdjinM6
parent d2f1fd253c
commit 82ca5fdbb8
2 changed files with 13 additions and 2 deletions
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14
src/governance.cpp
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@ -129,7 +129,10 @@ void CGovernanceManager::ProcessMessage(CNode* pfrom, std::string& strCommand, C
LOCK(cs); LOCK(cs);
// MAKE SURE WE HAVE A VALID REFERENCE TO THE TIP BEFORE CONTINUING // MAKE SURE WE HAVE A VALID REFERENCE TO THE TIP BEFORE CONTINUING
if(!pCurrentBlockIndex) return; if(!pCurrentBlockIndex) {
LogPrintf("CGovernanceManager::ProcessMessage MNGOVERNANCEOBJECT -- pCurrentBlockIndex is NULL\n");
return;
}
CGovernanceObject govobj; CGovernanceObject govobj;
vRecv >> govobj; vRecv >> govobj;
@ -172,7 +175,10 @@ void CGovernanceManager::ProcessMessage(CNode* pfrom, std::string& strCommand, C
else if (strCommand == NetMsgType::MNGOVERNANCEOBJECTVOTE) else if (strCommand == NetMsgType::MNGOVERNANCEOBJECTVOTE)
{ {
// Ignore such messages until masternode list is synced // Ignore such messages until masternode list is synced
if(!masternodeSync.IsMasternodeListSynced()) return; if(!masternodeSync.IsMasternodeListSynced()) {
LogPrint("gobject", "CGovernanceManager::ProcessMessage MNGOVERNANCEOBJECTVOTE -- masternode list not synced\n");
return;
}
CGovernanceVote vote; CGovernanceVote vote;
vRecv >> vote; vRecv >> vote;
@ -1125,6 +1131,10 @@ void CGovernanceManager::UpdatedBlockTip(const CBlockIndex *pindex)
// On the other hand it should be safe for us to access pindex without holding a lock // On the other hand it should be safe for us to access pindex without holding a lock
// on cs_main because the CBlockIndex objects are dynamically allocated and // on cs_main because the CBlockIndex objects are dynamically allocated and
// presumably never deleted. // presumably never deleted.
if(!pindex) {
return;
}
LOCK(cs); LOCK(cs);
pCurrentBlockIndex = pindex; pCurrentBlockIndex = pindex;
nCachedBlockHeight = pCurrentBlockIndex->nHeight; nCachedBlockHeight = pCurrentBlockIndex->nHeight;

1
src/init.cpp
View File

@ -1883,6 +1883,7 @@ bool AppInit2(boost::thread_group& threadGroup, CScheduler& scheduler)
darkSendPool.UpdatedBlockTip(chainActive.Tip()); darkSendPool.UpdatedBlockTip(chainActive.Tip());
mnpayments.UpdatedBlockTip(chainActive.Tip()); mnpayments.UpdatedBlockTip(chainActive.Tip());
masternodeSync.UpdatedBlockTip(chainActive.Tip()); masternodeSync.UpdatedBlockTip(chainActive.Tip());
governance.UpdatedBlockTip(chainActive.Tip());
// ********************************************************* Step 11d: start dash-privatesend thread // ********************************************************* Step 11d: start dash-privatesend thread