本文整理汇总了C++中CBlockIndex::GetBlockWork方法的典型用法代码示例。如果您正苦于以下问题:C++ CBlockIndex::GetBlockWork方法的具体用法?C++ CBlockIndex::GetBlockWork怎么用?C++ CBlockIndex::GetBlockWork使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类CBlockIndex
的用法示例。
在下文中一共展示了CBlockIndex::GetBlockWork方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: LoadBlockIndex
bool CTxDB::LoadBlockIndex()
{
if (!LoadBlockIndexGuts())
return false;
if (fRequestShutdown)
return true;
// Calculate bnChainWork
vector<pair<int, CBlockIndex*> > vSortedByHeight;
vSortedByHeight.reserve(mapBlockIndex.size());
BOOST_FOREACH(const PAIRTYPE(uint256, CBlockIndex*)& item, mapBlockIndex)
{
CBlockIndex* pindex = item.second;
vSortedByHeight.push_back(make_pair(pindex->nHeight, pindex));
}
sort(vSortedByHeight.begin(), vSortedByHeight.end());
BOOST_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 loaded");
}
if (!mapBlockIndex.count(hashBestChain))
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 date=%s\n",
hashBestChain.ToString().substr(0,20).c_str(), nBestHeight,
DateTimeStrFormat("%x %H:%M:%S", pindexBest->GetBlockTime()).c_str());
// Load bnBestInvalidWork, OK if it doesn't exist
ReadBestInvalidWork(bnBestInvalidWork);
// Verify blocks in the best chain
int nCheckLevel = GetArg("-checklevel", 1);
int nCheckDepth = GetArg( "-checkblocks", 2500);
if (nCheckDepth == 0)
nCheckDepth = 1000000000; // suffices until the year 19000
if (nCheckDepth > nBestHeight)
nCheckDepth = nBestHeight;
printf("Verifying last %i blocks at level %i\n", nCheckDepth, nCheckLevel);
CBlockIndex* pindexFork = NULL;
map<pair<unsigned int, unsigned int>, CBlockIndex*> mapBlockPos;
for (CBlockIndex* pindex = pindexBest; pindex && pindex->pprev; pindex = pindex->pprev)
{
if (fRequestShutdown || pindex->nHeight < nBestHeight-nCheckDepth)
break;
CBlock block;
if (!block.ReadFromDisk(pindex))
return error("LoadBlockIndex() : block.ReadFromDisk failed");
// check level 1: verify block validity
if (nCheckLevel>0 && !block.CheckBlock())
{
printf("LoadBlockIndex() : *** found bad block at %d, hash=%s\n", pindex->nHeight, pindex->GetBlockHash().ToString().c_str());
pindexFork = pindex->pprev;
}
// check level 2: verify transaction index validity
if (nCheckLevel>1)
{
pair<unsigned int, unsigned int> pos = make_pair(pindex->nFile, pindex->nBlockPos);
mapBlockPos[pos] = pindex;
BOOST_FOREACH(const CTransaction &tx, block.vtx)
{
uint256 hashTx = tx.GetHash();
CTxIndex txindex;
if (ReadTxIndex(hashTx, txindex))
{
// check level 3: checker transaction hashes
if (nCheckLevel>2 || pindex->nFile != txindex.pos.nFile || pindex->nBlockPos != txindex.pos.nBlockPos)
{
// either an error or a duplicate transaction
CTransaction txFound;
if (!txFound.ReadFromDisk(txindex.pos))
{
printf("LoadBlockIndex() : *** cannot read mislocated transaction %s\n", hashTx.ToString().c_str());
pindexFork = pindex->pprev;
}
else
if (txFound.GetHash() != hashTx) // not a duplicate tx
{
printf("LoadBlockIndex(): *** invalid tx position for %s\n", hashTx.ToString().c_str());
pindexFork = pindex->pprev;
}
}
// check level 4: check whether spent txouts were spent within the main chain
unsigned int nOutput = 0;
if (nCheckLevel>3)
{
BOOST_FOREACH(const CDiskTxPos &txpos, txindex.vSpent)
{
if (!txpos.IsNull())
//.........这里部分代码省略.........