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C++ CBlockIndex::CheckIndex方法代码示例

本文整理汇总了C++中CBlockIndex::CheckIndex方法的典型用法代码示例。如果您正苦于以下问题:C++ CBlockIndex::CheckIndex方法的具体用法?C++ CBlockIndex::CheckIndex怎么用?C++ CBlockIndex::CheckIndex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CBlockIndex的用法示例。


在下文中一共展示了CBlockIndex::CheckIndex方法的5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()
{
    // Get database cursor
    Dbc* pcursor = GetCursor();
    if (!pcursor)
        return false;

    // Load mapBlockIndex
    unsigned int fFlags = DB_SET_RANGE;
    loop
    {
        // Read next record
        CDataStream ssKey(SER_DISK, CLIENT_VERSION);
        if (fFlags == DB_SET_RANGE)
            ssKey << make_pair(string("blockindex"), uint256(0));
        CDataStream ssValue(SER_DISK, CLIENT_VERSION);
        int ret = ReadAtCursor(pcursor, ssKey, ssValue, fFlags);
        fFlags = DB_NEXT;
        if (ret == DB_NOTFOUND)
            break;
        else if (ret != 0)
            return false;

        // Unserialize
        string strType;
        ssKey >> strType;
        if (strType == "blockindex" && !fRequestShutdown)
        {
            CDiskBlockIndex diskindex;
            ssValue >> diskindex;

            // Construct block index object
            CBlockIndex* pindexNew = InsertBlockIndex(diskindex.GetBlockHash());
            pindexNew->pprev          = InsertBlockIndex(diskindex.hashPrev);
            pindexNew->pnext          = InsertBlockIndex(diskindex.hashNext);
            pindexNew->nFile          = diskindex.nFile;
            pindexNew->nBlockPos      = diskindex.nBlockPos;
            pindexNew->nHeight        = diskindex.nHeight;
            pindexNew->nVersion       = diskindex.nVersion;
            pindexNew->hashMerkleRoot = diskindex.hashMerkleRoot;
            pindexNew->nTime          = diskindex.nTime;
            pindexNew->nBits          = diskindex.nBits;
            pindexNew->nNonce         = diskindex.nNonce;

            // Watch for genesis block
            if (pindexGenesisBlock == NULL && diskindex.GetBlockHash() == hashGenesisBlock)
                pindexGenesisBlock = pindexNew;

            if (!pindexNew->CheckIndex())
                return error("LoadBlockIndex() : CheckIndex failed at %d", pindexNew->nHeight);
        }
        else
        {
            break; // if shutdown requested or finished loading block index
开发者ID:cdhowie,项目名称:bitcoin,代码行数:54,代码来源:db.cpp

示例2: LoadBlockIndexGuts

bool CBlockTreeDB::LoadBlockIndexGuts()
{
    CLevelDBIterator *pcursor = NewIterator();

    pcursor->Seek(make_pair('b', uint256(0)));

    // Load mapBlockIndex
    while (pcursor->Valid()) {
        boost::this_thread::interruption_point();
        std::pair<char, uint256> key;

        try {
          if (pcursor->GetKey(key) && key.first == 'b') {
                CDiskBlockIndex diskindex;
                if (pcursor->GetValue(diskindex)) {
                    // Construct block index object
                    CBlockIndex* pindexNew = InsertBlockIndex(diskindex.GetBlockHash());
                    pindexNew->pprev          = InsertBlockIndex(diskindex.hashPrev);
                    pindexNew->nHeight        = diskindex.nHeight;
                    pindexNew->nFile          = diskindex.nFile;
                    pindexNew->nDataPos       = diskindex.nDataPos;
                    pindexNew->nUndoPos       = diskindex.nUndoPos;
                    pindexNew->nVersion       = diskindex.nVersion;
                    pindexNew->hashMerkleRoot = diskindex.hashMerkleRoot;
                    pindexNew->nTime          = diskindex.nTime;
                    pindexNew->nBits          = diskindex.nBits;
                    pindexNew->nNonce         = diskindex.nNonce;
                    pindexNew->nStatus        = diskindex.nStatus;
                    pindexNew->nTx            = diskindex.nTx;

                    if (!pindexNew->CheckIndex())
                        return error("LoadBlockIndex() : CheckIndex failed: %s", pindexNew->ToString());

                    pcursor->Next();
                }

          } else {
              break;
          }
        }
        catch (std::exception &e) {
            return error("%s : Deserialize or I/O error -%s", __PRETTY_FUNCTION__, e.what());
        }
    }
    delete pcursor;

    return true;
}
开发者ID:SureshMatsui,项目名称:SpeedCoin,代码行数:48,代码来源:txdb.cpp

示例3: LoadBlockIndex

bool CTxDB::LoadBlockIndex()
{
    if (mapBlockIndex.size() > 0) {
        // Already loaded once in this session. It can happen during migration
        // from BDB.
        return true;
    }
    // The block index is an in-memory structure that maps hashes to on-disk
    // locations where the contents of the block can be found. Here, we scan it
    // out of the DB and into mapBlockIndex.
    leveldb::Iterator *iterator = pdb->NewIterator(leveldb::ReadOptions());
    // Seek to start key.
    CDataStream ssStartKey(SER_DISK, CLIENT_VERSION);
    ssStartKey << make_pair(string("blockindex"), uint256(0));
    iterator->Seek(ssStartKey.str());
    // Now read each entry.
    while (iterator->Valid())
    {
        // Unpack keys and values.
        CDataStream ssKey(SER_DISK, CLIENT_VERSION);
        ssKey.write(iterator->key().data(), iterator->key().size());
        CDataStream ssValue(SER_DISK, CLIENT_VERSION);
        ssValue.write(iterator->value().data(), iterator->value().size());
        string strType;
        ssKey >> strType;
        // Did we reach the end of the data to read?
        if (fRequestShutdown || strType != "blockindex")
            break;
        CDiskBlockIndex diskindex;
        ssValue >> diskindex;

        uint256 blockHash = diskindex.GetBlockHash();

        // Construct block index object
        CBlockIndex* pindexNew    = InsertBlockIndex(blockHash);
        pindexNew->pprev          = InsertBlockIndex(diskindex.hashPrev);
        pindexNew->pnext          = InsertBlockIndex(diskindex.hashNext);
        pindexNew->nFile          = diskindex.nFile;
        pindexNew->nBlockPos      = diskindex.nBlockPos;
        pindexNew->nHeight        = diskindex.nHeight;
        pindexNew->nMint          = diskindex.nMint;
        pindexNew->nMoneySupply   = diskindex.nMoneySupply;
        pindexNew->nFlags         = diskindex.nFlags;
        pindexNew->nStakeModifier = diskindex.nStakeModifier;
        pindexNew->prevoutStake   = diskindex.prevoutStake;
        pindexNew->nStakeTime     = diskindex.nStakeTime;
        pindexNew->hashProofOfStake = diskindex.hashProofOfStake;
        pindexNew->nVersion       = diskindex.nVersion;
        pindexNew->hashMerkleRoot = diskindex.hashMerkleRoot;
        pindexNew->nTime          = diskindex.nTime;
        pindexNew->nBits          = diskindex.nBits;
        pindexNew->nNonce         = diskindex.nNonce;

        // Watch for genesis block
        if (pindexGenesisBlock == NULL && blockHash == (!fTestNet ? hashGenesisBlock : hashGenesisBlockTestNet))
            pindexGenesisBlock = pindexNew;

        if (!pindexNew->CheckIndex()) {
            delete iterator;
            return error("LoadBlockIndex() : CheckIndex failed at %d", pindexNew->nHeight);
        }

        // CurrentCoin: build setStakeSeen
        if (pindexNew->IsProofOfStake())
            setStakeSeen.insert(make_pair(pindexNew->prevoutStake, pindexNew->nStakeTime));

        iterator->Next();
    }
    delete iterator;

    if (fRequestShutdown)
        return true;

    // Calculate nChainTrust
    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->nChainTrust = (pindex->pprev ? pindex->pprev->nChainTrust : 0) + pindex->GetBlockTrust();
        // CurrentCoin: calculate stake modifier checksum
        pindex->nStakeModifierChecksum = GetStakeModifierChecksum(pindex);
        if (!CheckStakeModifierCheckpoints(pindex->nHeight, pindex->nStakeModifierChecksum))
            return error("CTxDB::LoadBlockIndex() : Failed stake modifier checkpoint height=%d, modifier=0x%016"PRI64x, pindex->nHeight, pindex->nStakeModifier);
    }

    // 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))
//.........这里部分代码省略.........
开发者ID:Azotroph,项目名称:current,代码行数:101,代码来源:txdb-leveldb.cpp

示例4: LoadBlockIndex

bool CTxDB::LoadBlockIndex()
{
    // Get database cursor
    Dbc* pcursor = GetCursor();
    if (!pcursor)
        return false;

    // Load mapBlockIndex
    unsigned int fFlags = DB_SET_RANGE;
  for(;;)
    {
        // Read next record
        CDataStream ssKey(SER_DISK, CLIENT_VERSION);
        if (fFlags == DB_SET_RANGE)
            ssKey << make_pair(string("blockindex"), uint256(0));
        CDataStream ssValue(SER_DISK, CLIENT_VERSION);
        int ret = ReadAtCursor(pcursor, ssKey, ssValue, fFlags);
        fFlags = DB_NEXT;
        if (ret == DB_NOTFOUND)
            break;
        else if (ret != 0)
            return false;

        // Unserialize

        try {
        string strType;
        ssKey >> strType;
        if (strType == "blockindex" && !fRequestShutdown)
        {
            CDiskBlockIndex diskindex;
            ssValue >> diskindex;

            uint256 blockHash = diskindex.GetBlockHash();

            // Construct block index object
            CBlockIndex* pindexNew    = InsertBlockIndex(blockHash);
            pindexNew->pprev          = InsertBlockIndex(diskindex.hashPrev);
            pindexNew->pnext          = InsertBlockIndex(diskindex.hashNext);
            pindexNew->nFile          = diskindex.nFile;
            pindexNew->nBlockPos      = diskindex.nBlockPos;
            pindexNew->nHeight        = diskindex.nHeight;
            pindexNew->nMint          = diskindex.nMint;
            pindexNew->nMoneySupply   = diskindex.nMoneySupply;
            pindexNew->nFlags         = diskindex.nFlags;
            pindexNew->nStakeModifier = diskindex.nStakeModifier;
            pindexNew->prevoutStake   = diskindex.prevoutStake;
            pindexNew->nStakeTime     = diskindex.nStakeTime;
            pindexNew->hashProofOfStake = diskindex.hashProofOfStake;
            pindexNew->nVersion       = diskindex.nVersion;
            pindexNew->hashMerkleRoot = diskindex.hashMerkleRoot;
            pindexNew->nTime          = diskindex.nTime;
            pindexNew->nBits          = diskindex.nBits;
            pindexNew->nNonce         = diskindex.nNonce;

            //Load Proof of Burn switch and indexes
            pindexNew->fProofOfBurn   = diskindex.fProofOfBurn;
            pindexNew->burnHash       = diskindex.burnHash;
            pindexNew->burnBlkHeight  = diskindex.burnBlkHeight;
            pindexNew->burnCTx        = diskindex.burnCTx;
            pindexNew->burnCTxOut     = diskindex.burnCTxOut;
            pindexNew->nEffectiveBurnCoins = diskindex.nEffectiveBurnCoins;
            pindexNew->nBurnBits      = diskindex.nBurnBits;

            // Watch for genesis block
            if (pindexGenesisBlock == NULL && blockHash == hashGenesisBlock)
                pindexGenesisBlock = pindexNew;

            if (!pindexNew->CheckIndex())
                return error("LoadBlockIndex() : CheckIndex failed at %d", pindexNew->nHeight);

            // ppcoin: build setStakeSeen
            if (pindexNew->IsProofOfStake())
                setStakeSeen.insert(make_pair(pindexNew->prevoutStake, pindexNew->nStakeTime));
            else if(pindexNew->IsProofOfBurn()) //build the setBurnSeen
                setBurnSeen.insert(pindexNew->GetProofOfBurn());
        }
        else
        {
            break; // if shutdown requested or finished loading block index
        }
        }    // try
        catch (std::exception &e) {
开发者ID:slimcoin-project,项目名称:Slimcoin,代码行数:83,代码来源:db.cpp

示例5: LoadBlockIndex

bool CTxDB::LoadBlockIndex()
{
    // Get database cursor
    Dbc* pcursor = GetCursor();
    if (!pcursor)
        return false;

    // Load mapBlockIndex
    unsigned int fFlags = DB_SET_RANGE;
    loop
    {
        // Read next record
        CDataStream ssKey(SER_DISK, CLIENT_VERSION);
        if (fFlags == DB_SET_RANGE)
            ssKey << make_pair(string("blockindex"), uint256(0));
        CDataStream ssValue(SER_DISK, CLIENT_VERSION);
        int ret = ReadAtCursor(pcursor, ssKey, ssValue, fFlags);
        fFlags = DB_NEXT;
        if (ret == DB_NOTFOUND)
            break;
        else if (ret != 0)
            return false;

        // Unserialize

        try {
        string strType;
        ssKey >> strType;
        if (strType == "blockindex" && !fRequestShutdown)
        {
            CDiskBlockIndex diskindex;
            ssValue >> diskindex;

            // Construct block index object
            CBlockIndex* pindexNew = InsertBlockIndex(diskindex.GetBlockHash());
            pindexNew->pprev          = InsertBlockIndex(diskindex.hashPrev);
            pindexNew->pnext          = InsertBlockIndex(diskindex.hashNext);
            pindexNew->nFile          = diskindex.nFile;
            pindexNew->nBlockPos      = diskindex.nBlockPos;
            pindexNew->nHeight        = diskindex.nHeight;
            pindexNew->nMint          = diskindex.nMint;
            pindexNew->mapMoneySupply = diskindex.mapMoneySupply;
            pindexNew->mapTotalParked = diskindex.mapTotalParked;
            pindexNew->nFlags         = diskindex.nFlags;
            pindexNew->nStakeModifier = diskindex.nStakeModifier;
            pindexNew->prevoutStake   = diskindex.prevoutStake;
            pindexNew->nStakeTime     = diskindex.nStakeTime;
            pindexNew->hashProofOfStake = diskindex.hashProofOfStake;
            pindexNew->vote                   = diskindex.vote;
            pindexNew->vote.nCoinAgeDestroyed = diskindex.nCoinAgeDestroyed;
            pindexNew->vParkRateResult        = diskindex.vParkRateResult;
            pindexNew->nCoinAgeDestroyed      = diskindex.nCoinAgeDestroyed;
            pindexNew->vElectedCustodian      = diskindex.vElectedCustodian;
            pindexNew->nProtocolVersion       = diskindex.nProtocolVersion;
            pindexNew->mapVotedFee            = diskindex.mapVotedFee;
            pindexNew->nVersion       = diskindex.nVersion;
            pindexNew->hashMerkleRoot = diskindex.hashMerkleRoot;
            pindexNew->nTime          = diskindex.nTime;
            pindexNew->nBits          = diskindex.nBits;
            pindexNew->nNonce         = diskindex.nNonce;

            // Watch for genesis block
            if (pindexGenesisBlock == NULL && diskindex.GetBlockHash() == hashGenesisBlock)
                pindexGenesisBlock = pindexNew;

            if (!pindexNew->CheckIndex())
                return error("LoadBlockIndex() : CheckIndex failed at %d", pindexNew->nHeight);

            // ppcoin: build setStakeSeen
            if (pindexNew->IsProofOfStake())
                setStakeSeen.insert(make_pair(pindexNew->prevoutStake, pindexNew->nStakeTime));
        }
        else
        {
            break; // if shutdown requested or finished loading block index
        }
        }    // try
        catch (std::exception &e) {
开发者ID:duoduosys,项目名称:Duoduocoin2,代码行数:78,代码来源:db.cpp


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