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add a couple sanity checks to GetLastValidBlockHash

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This commit is contained in:
Evan Duffield 2015-02-02 12:27:07 -07:00
parent 1f828f45ec
commit 6b0c7f3c4f
1 changed files with 2 additions and 1 deletions
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src/darksend.cpp
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@ -1323,7 +1323,8 @@ bool CDarkSendPool::GetLastValidBlockHash(uint256& hash, int mod, int nBlockHeig
const CBlockIndex *BlockLastSolved = chainActive.Tip(); const CBlockIndex *BlockLastSolved = chainActive.Tip();
const CBlockIndex *BlockReading = chainActive.Tip(); const CBlockIndex *BlockReading = chainActive.Tip();
if (BlockLastSolved == NULL || BlockLastSolved->nHeight == 0) { return false; } if (chainActive.Tip() == NULL) return false;
if (BlockLastSolved == NULL || BlockLastSolved->nHeight == 0 || (chainActive.Tip()->nHeight+1 < nBlockHeight) return false;
int nBlocksAgo = 0; int nBlocksAgo = 0;
if(nBlockHeight > 0) nBlocksAgo = (chainActive.Tip()->nHeight+1)-nBlockHeight; if(nBlockHeight > 0) nBlocksAgo = (chainActive.Tip()->nHeight+1)-nBlockHeight;