PPCoin: Do not reject pending checkpoint with duplicate-stake check

[novacoin.git] / src / main.cpp

diff --git a/src/main.cpp b/src/main.cpp
index e5234c8..c66b74c 100644 (file)
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1617,7 +1617,7 @@ bool ProcessBlock(CNode* pfrom, CBlock* pblock)
     // ppcoin: check proof-of-stake
     // Limited duplicity on stake: prevents block flood attack
     // Duplicate stake allowed only when there is orphan child block
-    if (pblock->IsProofOfStake() && setStakeSeen.count(pblock->GetProofOfStake()) && !mapOrphanBlocksByPrev.count(hash))
+    if (pblock->IsProofOfStake() && setStakeSeen.count(pblock->GetProofOfStake()) && !mapOrphanBlocksByPrev.count(hash) && !Checkpoints::IsPendingSyncCheckpoint(hash))
         return error("ProcessBlock() : duplicate proof-of-stake (%s, %d) for block %s", pblock->GetProofOfStake().first.ToString().c_str(), pblock->GetProofOfStake().second, hash.ToString().c_str());
 
     // Preliminary checks
@@ -1664,7 +1664,7 @@ bool ProcessBlock(CNode* pfrom, CBlock* pblock)
         {
             // Limited duplicity on stake: prevents block flood attack
             // Duplicate stake allowed only when there is orphan child block
-            if (setStakeSeenOrphan.count(pblock2->GetProofOfStake()) && !mapOrphanBlocksByPrev.count(hash))
+            if (setStakeSeenOrphan.count(pblock2->GetProofOfStake()) && !mapOrphanBlocksByPrev.count(hash) && !Checkpoints::IsPendingSyncCheckpoint(hash))
                 return error("ProcessBlock() : duplicate proof-of-stake (%s, %d) for orphan block %s", pblock2->GetProofOfStake().first.ToString().c_str(), pblock2->GetProofOfStake().second, hash.ToString().c_str());
             else
                 setStakeSeenOrphan.insert(pblock2->GetProofOfStake());