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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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38
main.cpp
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@@ -24,6 +24,7 @@ map<uint256, CBlockIndex*> mapBlockIndex;
const uint256 hashGenesisBlock("0x000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f");
CBlockIndex* pindexGenesisBlock = NULL;
int nBestHeight = -1;
CBigNum bnBestChainWork = 0;
uint256 hashBestChain = 0;
CBlockIndex* pindexBest = NULL;
int64 nTimeBestReceived = 0;
@@ -848,6 +849,23 @@ unsigned int GetNextWorkRequired(const CBlockIndex* pindexLast)
return bnNew.GetCompact();
}
vector<int> vStartingHeight;
void AddStartingHeight(int nStartingHeight)
{
if (nStartingHeight != -1)
{
vStartingHeight.push_back(nStartingHeight);
sort(vStartingHeight.begin(), vStartingHeight.end());
}
}
bool IsInitialBlockDownload()
{
int nMedian = 69000;
if (vStartingHeight.size() >= 5)
nMedian = vStartingHeight[vStartingHeight.size()/2];
return nBestHeight < nMedian-1000;
}
@@ -1208,13 +1226,14 @@ bool CBlock::AddToBlockIndex(unsigned int nFile, unsigned int nBlockPos)
pindexNew->pprev = (*miPrev).second;
pindexNew->nHeight = pindexNew->pprev->nHeight + 1;
}
pindexNew->bnChainWork = (pindexNew->pprev ? pindexNew->pprev->bnChainWork : 0) + pindexNew->GetBlockWork();
CTxDB txdb;
txdb.TxnBegin();
txdb.WriteBlockIndex(CDiskBlockIndex(pindexNew));
// New best
if (pindexNew->nHeight > nBestHeight)
if (pindexNew->bnChainWork > bnBestChainWork)
{
if (pindexGenesisBlock == NULL && hash == hashGenesisBlock)
{
@@ -1253,6 +1272,7 @@ bool CBlock::AddToBlockIndex(unsigned int nFile, unsigned int nBlockPos)
hashBestChain = hash;
pindexBest = pindexNew;
nBestHeight = pindexBest->nHeight;
bnBestChainWork = pindexNew->bnChainWork;
nTimeBestReceived = GetTime();
nTransactionsUpdated++;
printf("AddToBlockIndex: new best=%s height=%d\n", hashBestChain.ToString().substr(0,16).c_str(), nBestHeight);
@@ -1900,6 +1920,7 @@ bool ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv)
}
AddTimeData(pfrom->addr.ip, nTime);
AddStartingHeight(pfrom->nStartingHeight);
// Change version
if (pfrom->nVersion >= 209)
@@ -2845,6 +2866,10 @@ int64 GetBalance()
}
int GetRandInt(int nMax)
{
return GetRand(nMax);
}
bool SelectCoins(int64 nTargetValue, set<CWalletTx*>& setCoinsRet)
{
@@ -2858,9 +2883,14 @@ bool SelectCoins(int64 nTargetValue, set<CWalletTx*>& setCoinsRet)
CRITICAL_BLOCK(cs_mapWallet)
{
for (map<uint256, CWalletTx>::iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
{
CWalletTx* pcoin = &(*it).second;
vector<CWalletTx*> vCoins;
vCoins.reserve(mapWallet.size());
for (map<uint256, CWalletTx>::iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
vCoins.push_back(&(*it).second);
random_shuffle(vCoins.begin(), vCoins.end(), GetRandInt);
foreach(CWalletTx* pcoin, vCoins)
{
if (!pcoin->IsFinal() || pcoin->fSpent)
continue;
int64 n = pcoin->GetCredit();