Merge pull request #5158

9ec75c5 Add a locking mechanism to IsInitialBlockDownload to ensure it never goes from false to true. (Ruben Dario Ponticelli)
a2d0fc6 Fix IsInitialBlockDownload which was broken by headers first. (Ruben Dario Ponticelli)
This commit is contained in:
Wladimir J. van der Laan
2014-11-26 14:58:02 +01:00

View File

@@ -1199,15 +1199,14 @@ bool IsInitialBlockDownload()
LOCK(cs_main); LOCK(cs_main);
if (fImporting || fReindex || chainActive.Height() < Checkpoints::GetTotalBlocksEstimate()) if (fImporting || fReindex || chainActive.Height() < Checkpoints::GetTotalBlocksEstimate())
return true; return true;
static int64_t nLastUpdate; static bool lockIBDState = false;
static CBlockIndex* pindexLastBest; if (lockIBDState)
if (chainActive.Tip() != pindexLastBest) return false;
{ bool state = (chainActive.Height() < pindexBestHeader->nHeight - 24 * 6 ||
pindexLastBest = chainActive.Tip(); pindexBestHeader->GetBlockTime() < GetTime() - 24 * 60 * 60);
nLastUpdate = GetTime(); if (!state)
} lockIBDState = true;
return (GetTime() - nLastUpdate < 10 && return state;
chainActive.Tip()->GetBlockTime() < GetTime() - 24 * 60 * 60);
} }
bool fLargeWorkForkFound = false; bool fLargeWorkForkFound = false;