dash/blackcoin-more
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Merge pull request #1612 from luke-jr/opti_getblkhash

Browse Source 
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
Download Patch File Download Diff File Expand all files Collapse all files

19
src/main.cpp
View File

@@ -811,6 +811,24 @@ bool GetTransaction(const uint256 &hash, CTransaction &tx, uint256 &hashBlock)
// CBlock and CBlockIndex
//
static CBlockIndex* pblockindexFBBHLast;
CBlockIndex* FindBlockByHeight(int nHeight)
{
CBlockIndex *pblockindex;
if (nHeight < nBestHeight / 2)
pblockindex = pindexGenesisBlock;
else
pblockindex = pindexBest;
if (pblockindexFBBHLast && abs(nHeight - pblockindex->nHeight) > abs(nHeight - pblockindexFBBHLast->nHeight))
pblockindex = pblockindexFBBHLast;
while (pblockindex->nHeight > nHeight)
pblockindex = pblockindex->pprev;
while (pblockindex->nHeight < nHeight)
pblockindex = pblockindex->pnext;
pblockindexFBBHLast = pblockindex;
return pblockindex;
}
bool CBlock::ReadFromDisk(const CBlockIndex* pindex, bool fReadTransactions)
{
if (!fReadTransactions)
@@ -1634,6 +1652,7 @@ bool CBlock::SetBestChain(CTxDB& txdb, CBlockIndex* pindexNew)
// New best block
hashBestChain = hash;
pindexBest = pindexNew;
pblockindexFBBHLast = NULL;
nBestHeight = pindexBest->nHeight;
bnBestChainWork = pindexNew->bnChainWork;
nTimeBestReceived = GetTime();