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Merge pull request #1612 from luke-jr/opti_getblkhash

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Optimize JSON-RPC getblockhash
This commit is contained in:
Gregory Maxwell
2012-08-01 11:49:26 -07:00
parent f81e6f779b 1be064190e
commit 8ce7915aad
3 changed files with 21 additions and 4 deletions
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5
src/bitcoinrpc.cpp
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@@ -2047,10 +2047,7 @@ Value getblockhash(const Array& params, bool fHelp)
if (nHeight < 0 || nHeight > nBestHeight)
throw runtime_error("Block number out of range.");
CBlock block;
CBlockIndex* pblockindex = mapBlockIndex[hashBestChain];
while (pblockindex->nHeight > nHeight)
pblockindex = pblockindex->pprev;
CBlockIndex* pblockindex = FindBlockByHeight(nHeight);
return pblockindex->phashBlock->GetHex();
}