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C++ CTxDB::Close方法代码示例

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


在下文中一共展示了CTxDB::Close方法的3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: WriteSyncCheckpoint

    bool WriteSyncCheckpoint(const uint256& hashCheckpoint)
    {
        CTxDB txdb;
        txdb.TxnBegin();
        if (!txdb.WriteSyncCheckpoint(hashCheckpoint))
        {
            txdb.TxnAbort();
            return error("WriteSyncCheckpoint(): failed to write to db sync checkpoint %s", hashCheckpoint.ToString().c_str());
        }
        if (!txdb.TxnCommit())
            return error("WriteSyncCheckpoint(): failed to commit to db sync checkpoint %s", hashCheckpoint.ToString().c_str());
        txdb.Close();

        Checkpoints::hashSyncCheckpoint = hashCheckpoint;
        return true;
    }
开发者ID:zccoin,项目名称:zccoin,代码行数:16,代码来源:checkpoints.cpp

示例2: AcceptPendingSyncCheckpoint

  bool AcceptPendingSyncCheckpoint()
  {
    LOCK(cs_hashSyncCheckpoint);
    if(hashPendingCheckpoint != 0 && mapBlockIndex.count(hashPendingCheckpoint))
    {
      if(!ValidateSyncCheckpoint(hashPendingCheckpoint))
      {
        hashPendingCheckpoint = 0;
        checkpointMessagePending.SetNull();
        return false;
      }

      CTxDB txdb;
      CBlockIndex *pindexCheckpoint = mapBlockIndex[hashPendingCheckpoint];
      if(!pindexCheckpoint->IsInMainChain())
      {
        CBlock block;
        if(!block.ReadFromDisk(pindexCheckpoint))
          return error("AcceptPendingSyncCheckpoint: ReadFromDisk failed for sync checkpoint %s",
                       hashPendingCheckpoint.ToString().c_str());
        if(!block.SetBestChain(txdb, pindexCheckpoint))
        {
          hashInvalidCheckpoint = hashPendingCheckpoint;
          return error("AcceptPendingSyncCheckpoint: SetBestChain failed for sync checkpoint %s",
                       hashPendingCheckpoint.ToString().c_str());
        }
      }
      txdb.Close();

      if(!WriteSyncCheckpoint(hashPendingCheckpoint))
        return error("AcceptPendingSyncCheckpoint(): failed to write sync checkpoint %s",
                     hashPendingCheckpoint.ToString().c_str());

      hashPendingCheckpoint = 0;
      checkpointMessage = checkpointMessagePending;
      checkpointMessagePending.SetNull();
      printf("AcceptPendingSyncCheckpoint : sync-checkpoint at %s\n", hashSyncCheckpoint.ToString().c_str());
      // relay the checkpoint
      if(!checkpointMessage.IsNull())
      {
        BOOST_FOREACH(CNode* pnode, vNodes)
          checkpointMessage.RelayTo(pnode);
      }
      return true;
    }
    return false;
  }
开发者ID:TGCproject,项目名称:ThirdGenerationCoin,代码行数:47,代码来源:checkpoints.cpp

示例3: ResetSyncCheckpoint

    // ppcoin: reset synchronized checkpoint to last hardened checkpoint
    bool ResetSyncCheckpoint()
    {
        LOCK(cs_hashSyncCheckpoint);
        const uint256& hash = mapCheckpoints.rbegin()->second.first;
        if (mapBlockIndex.count(hash) && !mapBlockIndex[hash]->IsInMainChain())
        {
            // checkpoint block accepted but not yet in main chain
            printf("ResetSyncCheckpoint: SetBestChain to hardened checkpoint %s\n", hash.ToString().c_str());
            CTxDB txdb;
            CBlock block;
            if (!block.ReadFromDisk(mapBlockIndex[hash]))
                return error("ResetSyncCheckpoint: ReadFromDisk failed for hardened checkpoint %s", hash.ToString().c_str());
            if (!block.SetBestChain(txdb, mapBlockIndex[hash]))
            {
                return error("ResetSyncCheckpoint: SetBestChain failed for hardened checkpoint %s", hash.ToString().c_str());
            }

#ifndef USE_LEVELDB
            txdb.Close();
#endif

        }
        else if(!mapBlockIndex.count(hash))
        {
            // checkpoint block not yet accepted
            hashPendingCheckpoint = hash;
            checkpointMessagePending.SetNull();
            printf("ResetSyncCheckpoint: pending for sync-checkpoint %s\n", hashPendingCheckpoint.ToString().c_str());
        }

        BOOST_REVERSE_FOREACH(const MapCheckpoints::value_type& i, mapCheckpoints)
        {
            const uint256& hash = i.second.first;
            if (mapBlockIndex.count(hash) && mapBlockIndex[hash]->IsInMainChain())
            {
                if (!WriteSyncCheckpoint(hash))
                    return error("ResetSyncCheckpoint: failed to write sync checkpoint %s", hash.ToString().c_str());
                printf("ResetSyncCheckpoint: sync-checkpoint reset to %s\n", hashSyncCheckpoint.ToString().c_str());
                return true;
            }
        }

        return false;
    }
开发者ID:0xDEADFACE,项目名称:novacoin,代码行数:45,代码来源:checkpoints.cpp


注:本文中的CTxDB::Close方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。