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-rw-r--r--src/main.cpp14
1 files changed, 10 insertions, 4 deletions
diff --git a/src/main.cpp b/src/main.cpp
index 42733ee2de..38851cda3e 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -2811,10 +2811,9 @@ static void PruneBlockIndexCandidates() {
* Try to make some progress towards making pindexMostWork the active block.
* pblock is either NULL or a pointer to a CBlock corresponding to pindexMostWork.
*/
-static bool ActivateBestChainStep(CValidationState& state, const CChainParams& chainparams, CBlockIndex* pindexMostWork, const CBlock* pblock)
+static bool ActivateBestChainStep(CValidationState& state, const CChainParams& chainparams, CBlockIndex* pindexMostWork, const CBlock* pblock, bool& fInvalidFound)
{
AssertLockHeld(cs_main);
- bool fInvalidFound = false;
const CBlockIndex *pindexOldTip = chainActive.Tip();
const CBlockIndex *pindexFork = chainActive.FindFork(pindexMostWork);
@@ -2902,15 +2901,22 @@ bool ActivateBestChain(CValidationState &state, const CChainParams& chainparams,
{
LOCK(cs_main);
CBlockIndex *pindexOldTip = chainActive.Tip();
- pindexMostWork = FindMostWorkChain();
+ if (pindexMostWork == NULL) {
+ pindexMostWork = FindMostWorkChain();
+ }
// Whether we have anything to do at all.
if (pindexMostWork == NULL || pindexMostWork == chainActive.Tip())
return true;
- if (!ActivateBestChainStep(state, chainparams, pindexMostWork, pblock && pblock->GetHash() == pindexMostWork->GetBlockHash() ? pblock : NULL))
+ bool fInvalidFound = false;
+ if (!ActivateBestChainStep(state, chainparams, pindexMostWork, pblock && pblock->GetHash() == pindexMostWork->GetBlockHash() ? pblock : NULL, fInvalidFound))
return false;
+ if (fInvalidFound) {
+ // Wipe cache, we may need another branch now.
+ pindexMostWork = NULL;
+ }
pindexNewTip = chainActive.Tip();
pindexFork = chainActive.FindFork(pindexOldTip);
fInitialDownload = IsInitialBlockDownload();