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Gavin Andresen's JSON-RPC HTTP authentication,

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faster initial block download
-- version 0.3.3

git-svn-id: https://bitcoin.svn.sourceforge.net/svnroot/bitcoin/trunk@109 1a98c847-1fd6-4fd8-948a-caf3550aa51b
This commit is contained in:
s_nakamoto
2010-07-25 16:45:21 +00:00
parent e8bff10f07
commit 3b7cd5d89a
18 changed files with 405 additions and 137 deletions
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36
db.cpp
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@@ -130,7 +130,14 @@ void CDB::Close()
vTxn.front()->abort();
vTxn.clear();
pdb = NULL;
dbenv.txn_checkpoint(0, 0, 0);
// Flush database activity from memory pool to disk log
unsigned int nMinutes = 0;
if (strFile == "addr.dat")
nMinutes = 2;
if (strFile == "blkindex.dat" && IsInitialBlockDownload() && nBestHeight % 500 != 0)
nMinutes = 1;
dbenv.txn_checkpoint(0, nMinutes, 0);
CRITICAL_BLOCK(cs_db)
--mapFileUseCount[strFile];
@@ -357,11 +364,12 @@ CBlockIndex* InsertBlockIndex(uint256 hash)
bool CTxDB::LoadBlockIndex()
{
// Get cursor
// Get database cursor
Dbc* pcursor = GetCursor();
if (!pcursor)
return false;
// Load mapBlockIndex
unsigned int fFlags = DB_SET_RANGE;
loop
{
@@ -398,7 +406,7 @@ bool CTxDB::LoadBlockIndex()
pindexNew->nBits = diskindex.nBits;
pindexNew->nNonce = diskindex.nNonce;
// Watch for genesis block and best block
// Watch for genesis block
if (pindexGenesisBlock == NULL && diskindex.GetBlockHash() == hashGenesisBlock)
pindexGenesisBlock = pindexNew;
}
@@ -409,17 +417,33 @@ bool CTxDB::LoadBlockIndex()
}
pcursor->close();
// Calculate bnChainWork
vector<pair<int, CBlockIndex*> > vSortedByHeight;
vSortedByHeight.reserve(mapBlockIndex.size());
foreach(const PAIRTYPE(uint256, CBlockIndex*)& item, mapBlockIndex)
{
CBlockIndex* pindex = item.second;
vSortedByHeight.push_back(make_pair(pindex->nHeight, pindex));
}
sort(vSortedByHeight.begin(), vSortedByHeight.end());
foreach(const PAIRTYPE(int, CBlockIndex*)& item, vSortedByHeight)
{
CBlockIndex* pindex = item.second;
pindex->bnChainWork = (pindex->pprev ? pindex->pprev->bnChainWork : 0) + pindex->GetBlockWork();
}
// Load hashBestChain pointer to end of best chain
if (!ReadHashBestChain(hashBestChain))
{
if (pindexGenesisBlock == NULL)
return true;
return error("CTxDB::LoadBlockIndex() : hashBestChain not found");
return error("CTxDB::LoadBlockIndex() : hashBestChain not loaded");
}
if (!mapBlockIndex.count(hashBestChain))
return error("CTxDB::LoadBlockIndex() : blockindex for hashBestChain not found");
return error("CTxDB::LoadBlockIndex() : hashBestChain not found in the block index");
pindexBest = mapBlockIndex[hashBestChain];
nBestHeight = pindexBest->nHeight;
bnBestChainWork = pindexBest->bnChainWork;
printf("LoadBlockIndex(): hashBestChain=%s height=%d\n", hashBestChain.ToString().substr(0,16).c_str(), nBestHeight);
return true;