C++ CBlock类代码示例

int CInterpreter::GetCamera( void )
{
	CBlock	block;
	char	typeName[MAX_STRING_SIZE];
	int		type;

	block.Create( ID_CAMERA );

	if (!Match( TK_OPEN_PARENTHESIS ))
		return Error("syntax error : '(' not found");

	if ( GetType( (char *) typeName ) == false )
		return false;

	type = FindSymbol( typeName, m_typeKeywords);

	switch ( type )
	{
	case TYPE_PAN:		//PAN  ( ANGLES, DURATION )

		block.Write( TK_FLOAT, (float) type );

		if ( GetVector( &block ) == false )
			return false;

		if ( GetVector( &block ) == false )
			return false;

		if ( GetFloat( &block ) == false )
			return false;

		break;

	case TYPE_ZOOM:		//ZOOM ( FOV, DURATION )
		
		block.Write( TK_FLOAT, (float) type );

		if ( GetFloat( &block ) == false )
			return false;
		
		if ( GetFloat( &block ) == false )
			return false;

		break;
	
	case TYPE_MOVE:		//MOVE ( ORIGIN, DURATION )

		block.Write( TK_FLOAT, (float) type );

		if ( GetVector( &block ) == false )
			return false;

		if ( GetFloat( &block ) == false )
			return false;

		break;
	
	case TYPE_FADE:		//FADE ( SOURCE(R,G,B,A), DEST(R,G,B,A), DURATION )
		
		block.Write( TK_FLOAT, (float) type );

		//Source color
		if ( GetVector( &block ) == false )
			return false;
		if ( GetFloat( &block ) == false )
			return false;

		//Dest color
		if ( GetVector( &block ) == false )
			return false;
		if ( GetFloat( &block ) == false )
			return false;

		//Duration
		if ( GetFloat( &block ) == false )
			return false;

		break;

	case TYPE_PATH:		//PATH ( FILENAME )

		block.Write( TK_FLOAT, (float) type );

		//Filename
		if ( GetString( &block ) == false )
			return false;

		break;

	case TYPE_ENABLE:
	case TYPE_DISABLE:

		block.Write( TK_FLOAT, (float) type );
		break;

	case TYPE_SHAKE:	//SHAKE ( INTENSITY, DURATION )

		block.Write( TK_FLOAT, (float) type );

		//Intensity
//.........这里部分代码省略.........

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->hashProof      = diskindex.hashProof;
        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);
        }

        // ARbit: 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();
        // ARbit: 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"PRIx64, 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.........

int CInterpreter::GetSet( void )
{
	CBlock		block;

	block.Create( ID_SET );

	if (!Match( TK_OPEN_PARENTHESIS ))
		return Error("syntax error : '(' not found");

	if ( GetString( &block ) == false )
		return false;

	//Check for get placement
	if ( MatchGet() )
	{
		if ( GetGet( &block ) == false )
			return false;
	}
	else
	{
		switch( GetNextType() )
		{
		case TK_INT:
			
			if ( GetInteger( &block ) == false )
				return false;

			break;

		case TK_FLOAT:

			if ( GetFloat( &block ) == false )
				return false;

			break;

		case TK_STRING:
			
			if ( GetString( &block ) == false )
				return false;

			break;

		case TK_VECTOR_START:

			if ( GetVector( &block ) == false )
				return false;

			break;
		
		default:

			if ( MatchTag() )
			{
				GetTag( &block );
				break;
			}
			
			if ( MatchRandom() )
			{
				GetRandom( &block );
				break;
			}

			return Error("unknown parameter type");
			break;
		}
	}

	if (!Match( TK_CLOSED_PARENTHESIS ))
		return Error("set : too many parameters");

	m_blockStream->WriteBlock( &block );

	return true;
}

UniValue generate(const UniValue& params, bool fHelp)
{
    if (fHelp || params.size() < 1 || params.size() > 1)
        throw runtime_error(
            "generate numblocks\n"
            "\nMine blocks immediately (before the RPC call returns)\n"
            "\nNote: this function can only be used on the regtest network\n"
            "\nArguments:\n"
            "1. numblocks    (numeric, required) How many blocks are generated immediately.\n"
            "\nResult\n"
            "[ blockhashes ]     (array) hashes of blocks generated\n"
            "\nExamples:\n"
            "\nGenerate 11 blocks\n"
            + HelpExampleCli("generate", "11")
        );

    if (!Params().MineBlocksOnDemand())
        throw JSONRPCError(RPC_METHOD_NOT_FOUND, "This method can only be used on regtest");

    int nHeightStart = 0;
    int nHeightEnd = 0;
    int nHeight = 0;
    int nGenerate = params[0].get_int();

    boost::shared_ptr<CReserveScript> coinbaseScript;
    GetMainSignals().ScriptForMining(coinbaseScript);

    // If the keypool is exhausted, no script is returned at all.  Catch this.
    if (!coinbaseScript)
        throw JSONRPCError(RPC_WALLET_KEYPOOL_RAN_OUT, "Error: Keypool ran out, please call keypoolrefill first");

    //throw an error if no script was provided
    if (coinbaseScript->reserveScript.empty())
        throw JSONRPCError(RPC_INTERNAL_ERROR, "No coinbase script available (mining requires a wallet)");

    {   // Don't keep cs_main locked
        LOCK(cs_main);
        nHeightStart = chainActive.Height();
        nHeight = nHeightStart;
        nHeightEnd = nHeightStart+nGenerate;
    }
    unsigned int nExtraNonce = 0;
    UniValue blockHashes(UniValue::VARR);
    while (nHeight < nHeightEnd)
    {
        auto_ptr<CBlockTemplate> pblocktemplate(CreateNewBlock(Params(), coinbaseScript->reserveScript));
        if (!pblocktemplate.get())
            throw JSONRPCError(RPC_INTERNAL_ERROR, "Couldn't create new block");
        CBlock *pblock = &pblocktemplate->block;
        {
            LOCK(cs_main);
            IncrementExtraNonce(pblock, chainActive.Tip(), nExtraNonce);
        }
        while (!CheckProofOfWork(pblock->GetHash(), pblock->nBits, Params().GetConsensus())) {
            // Yes, there is a chance every nonce could fail to satisfy the -regtest
            // target -- 1 in 2^(2^32). That ain't gonna happen.
            ++pblock->nNonce;
        }
        CValidationState state;
        if (!ProcessNewBlock(state, Params(), NULL, pblock, true, NULL))
            throw JSONRPCError(RPC_INTERNAL_ERROR, "ProcessNewBlock, block not accepted");
        ++nHeight;
        blockHashes.push_back(pblock->GetHash().GetHex());

        //mark script as important because it was used at least for one coinbase output
        coinbaseScript->KeepScript();
    }
    return blockHashes;
}

//.........这里部分代码省略.........
            "  \"superblocks_started\" : true|false, (boolean) true, if superblock payments started\n"
            "  \"superblocks_enabled\" : true|false  (boolean) true, if superblock payments are enabled\n"
            "}\n"

            "\nExamples:\n"
            + HelpExampleCli("getblocktemplate", "")
            + HelpExampleRpc("getblocktemplate", "")
         );

    LOCK(cs_main);

    std::string strMode = "template";
    UniValue lpval = NullUniValue;
    if (params.size() > 0)
    {
        const UniValue& oparam = params[0].get_obj();
        const UniValue& modeval = find_value(oparam, "mode");
        if (modeval.isStr())
            strMode = modeval.get_str();
        else if (modeval.isNull())
        {
            /* Do nothing */
        }
        else
            throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid mode");
        lpval = find_value(oparam, "longpollid");

        if (strMode == "proposal")
        {
            const UniValue& dataval = find_value(oparam, "data");
            if (!dataval.isStr())
                throw JSONRPCError(RPC_TYPE_ERROR, "Missing data String key for proposal");

            CBlock block;
            if (!DecodeHexBlk(block, dataval.get_str()))
                throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "Block decode failed");

            uint256 hash = block.GetHash();
            BlockMap::iterator mi = mapBlockIndex.find(hash);
            if (mi != mapBlockIndex.end()) {
                CBlockIndex *pindex = mi->second;
                if (pindex->IsValid(BLOCK_VALID_SCRIPTS))
                    return "duplicate";
                if (pindex->nStatus & BLOCK_FAILED_MASK)
                    return "duplicate-invalid";
                return "duplicate-inconclusive";
            }

            CBlockIndex* const pindexPrev = chainActive.Tip();
            // TestBlockValidity only supports blocks built on the current Tip
            if (block.hashPrevBlock != pindexPrev->GetBlockHash())
                return "inconclusive-not-best-prevblk";
            CValidationState state;
            TestBlockValidity(state, Params(), block, pindexPrev, false, true);
            return BIP22ValidationResult(state);
        }
    }

    if (strMode != "template")
        throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid mode");

    if (vNodes.empty())
        throw JSONRPCError(RPC_CLIENT_NOT_CONNECTED, "H2O Core is not connected!");

    if (IsInitialBlockDownload())
        throw JSONRPCError(RPC_CLIENT_IN_INITIAL_DOWNLOAD, "H2O Core is downloading blocks...");

// max_nonce is not used by this function
int scanhash_hodl( int threadNumber, struct work* work, uint32_t max_nonce,
                   uint64_t *hashes_done )
{
    unsigned char *mainMemoryPsuedoRandomData = hodl_scratchbuf;
    uint32_t *pdata = work->data;
    uint32_t *ptarget = work->target;

    //retreive target
    std::stringstream s;
    for (int i = 7; i>=0; i--)
      s << strprintf("%08x", ptarget[i]);

    //retreive preveios hash
    std::stringstream p;
    for (int i = 0; i < 8; i++) 
      p << strprintf("%08x", swab32(pdata[8 - i]));

    //retreive merkleroot
    std::stringstream m;
    for (int i = 0; i < 8; i++) 
      m << strprintf("%08x", swab32(pdata[16 - i]));

    CBlock pblock;
    pblock.SetNull();

    pblock.nVersion=swab32(pdata[0]);
    pblock.nNonce=swab32(pdata[19]);
    pblock.nTime=swab32(pdata[17]);
    pblock.nBits=swab32(pdata[18]);
    pblock.hashPrevBlock=uint256S(p.str());
    pblock.hashMerkleRoot=uint256S(m.str());
    uint256 hashTarget=uint256S(s.str());
    int collisions=0;
    uint256 hash;

		//Begin AES Search
	        //Allocate temporary memory
		uint32_t cacheMemorySize = (1<<L2CACHE_TARGET); //2^12 = 4096 bytes
    		uint32_t comparisonSize=(1<<(PSUEDORANDOM_DATA_SIZE-L2CACHE_TARGET)); //2^(30-12) = 256K
                unsigned char *cacheMemoryOperatingData;
                unsigned char *cacheMemoryOperatingData2;
                cacheMemoryOperatingData=new unsigned char[cacheMemorySize+16];
                cacheMemoryOperatingData2=new unsigned char[cacheMemorySize];
                //Create references to data as 32 bit arrays
                uint32_t* cacheMemoryOperatingData32 = (uint32_t*)cacheMemoryOperatingData;
                uint32_t* cacheMemoryOperatingData322 = (uint32_t*)cacheMemoryOperatingData2;

                //Search for pattern in psuedorandom data
                unsigned char key[32] = {0};
                unsigned char iv[AES_BLOCK_SIZE];
                int outlen1, outlen2;

                //Iterate over the data
//                int searchNumber=comparisonSize/totalThreads;
                int searchNumber = comparisonSize / opt_n_threads;
                int startLoc=threadNumber*searchNumber;
		EVP_CIPHER_CTX ctx;
                  for(int32_t k = startLoc;k<startLoc+searchNumber && !work_restart[threadNumber].restart;k++){
                    //copy data to first l2 cache
                    memcpy((char*)&cacheMemoryOperatingData[0], (char*)&mainMemoryPsuedoRandomData[k*cacheMemorySize], cacheMemorySize);
                    for(int j=0;j<AES_ITERATIONS;j++){
                        //use last 4 bytes of first cache as next location
                        uint32_t nextLocation = cacheMemoryOperatingData32[(cacheMemorySize/4)-1]%comparisonSize;
                        //Copy data from indicated location to second l2 cache -
                        memcpy((char*)&cacheMemoryOperatingData2[0], (char*)&mainMemoryPsuedoRandomData[nextLocation*cacheMemorySize], cacheMemorySize);
                        //XOR location data into second cache
                        for(uint32_t i = 0; i < cacheMemorySize/4; i++)
                            cacheMemoryOperatingData322[i] = cacheMemoryOperatingData32[i] ^ cacheMemoryOperatingData322[i];
                        memcpy(key,(unsigned char*)&cacheMemoryOperatingData2[cacheMemorySize-32],32);
                        memcpy(iv,(unsigned char*)&cacheMemoryOperatingData2[cacheMemorySize-AES_BLOCK_SIZE],AES_BLOCK_SIZE);
                        EVP_EncryptInit(&ctx, EVP_aes_256_cbc(), key, iv);
                        EVP_EncryptUpdate(&ctx, cacheMemoryOperatingData, &outlen1, cacheMemoryOperatingData2, cacheMemorySize);
                        EVP_EncryptFinal(&ctx, cacheMemoryOperatingData + outlen1, &outlen2);
                        EVP_CIPHER_CTX_cleanup(&ctx);
                    }
                    //use last X bits as solution
                    uint32_t solution=cacheMemoryOperatingData32[(cacheMemorySize/4)-1]%comparisonSize;
                    if(solution<1000){
                        uint32_t proofOfCalculation=cacheMemoryOperatingData32[(cacheMemorySize/4)-2];
			pblock.nStartLocation = k;
                        pblock.nFinalCalculation = proofOfCalculation;
                        hash = Hash(BEGIN(pblock.nVersion), END(pblock.nFinalCalculation));
			collisions++;
			if (UintToArith256(hash) <= UintToArith256(hashTarget) && !work_restart[threadNumber].restart){
        		  pdata[21] = swab32(pblock.nFinalCalculation);
        		  pdata[20] = swab32(pblock.nStartLocation);
        		  *hashes_done = collisions;
			  //free memory
			  delete [] cacheMemoryOperatingData;
                	  delete [] cacheMemoryOperatingData2;
        		  return 1;
    			}
                    }
                  }

    //free memory
    delete [] cacheMemoryOperatingData;
    delete [] cacheMemoryOperatingData2;
    *hashes_done = collisions;
//.........这里部分代码省略.........

bool CTxDB::LoadBlockIndex()
{
    if (!LoadBlockIndexGuts())
        return false;

    if (fRequestShutdown)
        return true;

    // Calculate bnChainTrust
    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->bnChainTrust = (pindex->pprev ? pindex->pprev->bnChainTrust : 0) + pindex->GetBlockTrust();
        // ppcoin: 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))
        return error("CTxDB::LoadBlockIndex() : hashBestChain not found in the block index");
    pindexBest = mapBlockIndex[hashBestChain];
    nBestHeight = pindexBest->nHeight;
    bnBestChainTrust = pindexBest->bnChainTrust;
    printf("LoadBlockIndex(): hashBestChain=%s  height=%d  trust=%s  date=%s\n",
      hashBestChain.ToString().substr(0,20).c_str(), nBestHeight, bnBestChainTrust.ToString().c_str(),
      DateTimeStrFormat("%x %H:%M:%S", pindexBest->GetBlockTime()).c_str());

    // ppcoin: load hashSyncCheckpoint
    if (!ReadSyncCheckpoint(Checkpoints::hashSyncCheckpoint))
        return error("CTxDB::LoadBlockIndex() : hashSyncCheckpoint not loaded");
    printf("LoadBlockIndex(): synchronized checkpoint %s\n", Checkpoints::hashSyncCheckpoint.ToString().c_str());

    // Load bnBestInvalidTrust, OK if it doesn't exist
    ReadBestInvalidTrust(bnBestInvalidTrust);

    // 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;
//.........这里部分代码省略.........

UniValue blockToJSON(const CBlock& block, const CBlockIndex* blockindex, const uint32_t nMode = 0)
{
    UniValue result(UniValue::VOBJ);
    result.push_back(Pair("hash", block.GetHash().GetHex()));
    int confirmations = -1;
    // Only report confirmations if the block is on the main chain
    if (chainActive.Contains(blockindex))
        confirmations = chainActive.Height() - blockindex->nHeight + 1;
    result.push_back(Pair("confirmations", confirmations));
    result.push_back(Pair("size", (int)::GetSerializeSize(block, SER_NETWORK, PROTOCOL_VERSION)));
    result.push_back(Pair("height", blockindex->nHeight));
    result.push_back(Pair("version", block.nVersion));
    result.push_back(Pair("payload", blockindex->GetPayloadString()));
    result.push_back(Pair("payloadhash", blockindex->hashPayload.ToString()));
    result.push_back(Pair("merkleroot", block.hashMerkleRoot.GetHex()));
    result.push_back(Pair("time", block.GetBlockTime()));
    result.push_back(Pair("mediantime", (int64_t)blockindex->GetMedianTimePast()));
    result.push_back(Pair("creator", strprintf("0x%08x", blockindex->nCreatorId)));
    result.push_back(Pair("creatorSignature", block.creatorSignature.ToString()));
    result.push_back(Pair("nSignatures", (uint64_t)GetNumChainSigs(blockindex)));
    result.push_back(Pair("nAdminSignatures", (uint64_t)block.vAdminIds.size()));
    result.push_back(Pair("chainSignature", block.chainMultiSig.ToString()));
    result.push_back(Pair("adminMultiSig", block.adminMultiSig.IsNull() ? "" : block.adminMultiSig.ToString()));

    ///////// MISSING CHAIN SIGNERS
    UniValue missingSigners(UniValue::VARR);
    BOOST_FOREACH(const uint32_t& signerId, block.vMissingSignerIds)
    {
        missingSigners.push_back(strprintf("0x%08x", signerId));
    }
    result.push_back(Pair("missingCreatorIds", missingSigners));

    ///////// ADMIN SIGNERS
    UniValue adminSigners(UniValue::VARR);
    BOOST_FOREACH(const uint32_t& signerId, block.vAdminIds)
    {
        adminSigners.push_back(strprintf("0x%08x", signerId));
    }
    result.push_back(Pair("adminSignerIds", adminSigners));

    ///////// TRANSACTIONS
    UniValue txs(UniValue::VARR);
    BOOST_FOREACH(const CTransaction& tx, block.vtx)
    {
        if (nMode >= 5)
        {
            UniValue objTx(UniValue::VOBJ);
            TxToJSON(tx, uint256(), objTx);
            txs.push_back(objTx);
        }
        else
            txs.push_back(tx.GetHash().GetHex());
    }
    result.push_back(Pair("tx", txs));

    if (blockindex->pprev)
        result.push_back(Pair("previousblockhash", blockindex->pprev->GetBlockHash().GetHex()));
    CBlockIndex *pnext = chainActive.Next(blockindex);
    if (pnext)
        result.push_back(Pair("nextblockhash", pnext->GetBlockHash().GetHex()));

    if (nMode < 2)
        return result;

    ///////// CVN INFO
    UniValue cvns(UniValue::VARR);
    BOOST_FOREACH(const CCvnInfo& cvn, block.vCvns)
    {
        UniValue objCvn(UniValue::VOBJ);
        objCvn.push_back(Pair("nodeId", strprintf("0x%08x", cvn.nNodeId)));
        objCvn.push_back(Pair("heightAdded", (int) cvn.nHeightAdded));
        if (nMode >= 3)
            objCvn.push_back(Pair("pubKey", cvn.pubKey.ToString()));

        cvns.push_back(objCvn);
    }
    result.push_back(Pair("cvnInfo", cvns));

    ///////// DYNAMIC CHAIN PARAMETERS
    UniValue dParams(UniValue::VOBJ);
    if (block.HasChainParameters()) {
        DynamicChainparametersToJSON(block.dynamicChainParams, dParams);
    }

    result.push_back(Pair("chainParameters", dParams));

    ///////// ADMIN INFO
    UniValue admins(UniValue::VARR);
    BOOST_FOREACH(const CChainAdmin& admin, block.vChainAdmins)
    {
        UniValue objAdmin(UniValue::VOBJ);
        objAdmin.push_back(Pair("adminId", strprintf("0x%08x", admin.nAdminId)));
        objAdmin.push_back(Pair("heightAdded", (int) admin.nHeightAdded));
        if (nMode >= 3)
            objAdmin.push_back(Pair("pubKey", admin.pubKey.ToString()));

        admins.push_back(objAdmin);
    }
    result.push_back(Pair("chainAdmins", admins));

//.........这里部分代码省略.........

std::string BlockToString(CBlockIndex* pBlock)
{
    if (!pBlock)
        return "";

    CBlock block;
    ReadBlockFromDisk(block, pBlock);

    CAmount Fees = 0;
    CAmount OutVolume = 0;
    CAmount Reward = 0;

    std::string TxLabels[] = {_("Hash"), _("From"), _("Amount"), _("To"), _("Amount")};

    std::string TxContent = table + makeHTMLTableRow(TxLabels, sizeof(TxLabels) / sizeof(std::string));
    for (unsigned int i = 0; i < block.vtx.size(); i++) {
        const CTransaction& tx = block.vtx[i];
        TxContent += TxToRow(tx);

        CAmount In = getTxIn(tx);
        CAmount Out = tx.GetValueOut();
        if (tx.IsCoinBase())
            Reward += Out;
        else if (In < 0)
            Fees = -Params().MaxMoneyOut();
        else {
            Fees += In - Out;
            OutVolume += Out;
        }
    }
    TxContent += "</table>";

    CAmount Generated;
    if (pBlock->nHeight == 0)
        Generated = OutVolume;
    else
        Generated = GetBlockValue(pBlock->nHeight - 1);

    std::string BlockContentCells[] =
        {
            _("Height"), itostr(pBlock->nHeight),
            _("Size"), itostr(GetSerializeSize(block, SER_NETWORK, PROTOCOL_VERSION)),
            _("Number of Transactions"), itostr(block.vtx.size()),
            _("Value Out"), ValueToString(OutVolume),
            _("Fees"), ValueToString(Fees),
            _("Generated"), ValueToString(Generated),
            _("Timestamp"), TimeToString(block.nTime),
            _("Difficulty"), strprintf("%.4f", GetDifficulty(pBlock)),
            _("Bits"), utostr(block.nBits),
            _("Nonce"), utostr(block.nNonce),
            _("Version"), itostr(block.nVersion),
            _("Hash"), "<pre>" + block.GetHash().GetHex() + "</pre>",
            _("Merkle Root"), "<pre>" + block.hashMerkleRoot.GetHex() + "</pre>",
            // _("Hash Whole Block"), "<pre>" + block.hashWholeBlock.GetHex() + "</pre>"
            // _("Miner Signature"), "<pre>" + block.MinerSignature.ToString() + "</pre>"
        };

    std::string BlockContent = makeHTMLTable(BlockContentCells, sizeof(BlockContentCells) / (2 * sizeof(std::string)), 2);

    std::string Content;
    Content += "<h2><a class=\"nav\" href=";
    Content += itostr(pBlock->nHeight - 1);
    Content += ">◄&nbsp;</a>";
    Content += _("Block");
    Content += " ";
    Content += itostr(pBlock->nHeight);
    Content += "<a class=\"nav\" href=";
    Content += itostr(pBlock->nHeight + 1);
    Content += ">&nbsp;►</a></h2>";
    Content += BlockContent;
    Content += "</br>";
    /*
    if (block.nHeight > getThirdHardforkBlock())
    {
        std::vector<std::string> votes[2];
        for (int i = 0; i < 2; i++)
        {
            for (unsigned int j = 0; j < block.vvotes[i].size(); j++)
            {
                votes[i].push_back(block.vvotes[i][j].hash.ToString() + ':' + itostr(block.vvotes[i][j].n));
            }
        }
        Content += "<h3>" + _("Votes +") + "</h3>";
        Content += makeHTMLTable(&votes[1][0], votes[1].size(), 1);
        Content += "</br>";
        Content += "<h3>" + _("Votes -") + "</h3>";
        Content += makeHTMLTable(&votes[0][0], votes[0].size(), 1);
        Content += "</br>";
    }
    */
    Content += "<h2>" + _("Transactions") + "</h2>";
    Content += TxContent;

    return Content;
}

 virtual void BlockChecked(const CBlock& block, const CValidationState& stateIn) {
     if (block.GetHash() != hash)
         return;
     found = true;
     state = stateIn;
 };

Value scaninput(const Array& params, bool fHelp)
{
    if (fHelp || params.size() > 4 || params.size() < 2)
        throw runtime_error(
            "scaninput <txid> <nout> [difficulty] [days]\n"
            "Scan specified input for suitable kernel solutions.\n"
            "    [difficulty] - upper limit for difficulty, current difficulty by default;\n"
            "    [days] - time window, 365 days by default.\n"
        );


    uint256 hash;
    hash.SetHex(params[0].get_str());

    uint32_t nOut = params[1].get_int(), nBits = GetNextTargetRequired(pindexBest, true), nDays = 365;

    if (params.size() > 2)
    {
        CBigNum bnTarget(nPoWBase);
        bnTarget *= 1000;
        bnTarget /= (int) (params[2].get_real() * 1000);
        nBits = bnTarget.GetCompact();
    }

    if (params.size() > 3)
    {
        nDays = params[3].get_int();
    }

    CTransaction tx;
    uint256 hashBlock = 0;
    if (GetTransaction(hash, tx, hashBlock))
    {
        if (nOut > tx.vout.size())
            throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Incorrect output number");

        if (hashBlock == 0)
            throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Unable to find transaction in the blockchain");

        CTxDB txdb("r");

        CBlock block;
        CTxIndex txindex;

        // Load transaction index item
        if (!txdb.ReadTxIndex(tx.GetHash(), txindex))
            throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Unable to read block index item");

        // Read block header
        if (!block.ReadFromDisk(txindex.pos.nFile, txindex.pos.nBlockPos, false))
            throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "CBlock::ReadFromDisk() failed");

        uint64_t nStakeModifier = 0;
        if (!GetKernelStakeModifier(block.GetHash(), nStakeModifier))
            throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "No kernel stake modifier generated yet");

        std::pair<uint32_t, uint32_t> interval;
        interval.first = GetTime();
        // Only count coins meeting min age requirement
        if (nStakeMinAge + block.nTime > interval.first)
            interval.first += (nStakeMinAge + block.nTime - interval.first);
        interval.second = interval.first + nDays * 86400;

        SHA256_CTX ctx;
        GetKernelMidstate(nStakeModifier, block.nTime, txindex.pos.nTxPos - txindex.pos.nBlockPos, tx.nTime, nOut, ctx);

        std::pair<uint256, uint32_t> solution;
        if (ScanMidstateForward(ctx, nBits, tx.nTime, tx.vout[nOut].nValue, interval, solution))
        {
            Object r;
            r.push_back(Pair("hash", solution.first.GetHex()));
            r.push_back(Pair("time", DateTimeStrFormat(solution.second)));

            return r;
        }
    }
    else
        throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "No information available about transaction");

    return Value::null;
}

//.........这里部分代码省略.........
            "}\n"

            "\nExamples:\n"
            + HelpExampleCli("getblocktemplate", "")
            + HelpExampleRpc("getblocktemplate", "")
         );

    LOCK(cs_main);

    std::string strMode = "template";
    UniValue lpval = NullUniValue;
    std::set<std::string> setClientRules;
    int64_t nMaxVersionPreVB = -1;
    if (!request.params[0].isNull())
    {
        const UniValue& oparam = request.params[0].get_obj();
        const UniValue& modeval = find_value(oparam, "mode");
        if (modeval.isStr())
            strMode = modeval.get_str();
        else if (modeval.isNull())
        {
            /* Do nothing */
        }
        else
            throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid mode");
        lpval = find_value(oparam, "longpollid");

        if (strMode == "proposal")
        {
            const UniValue& dataval = find_value(oparam, "data");
            if (!dataval.isStr())
                throw JSONRPCError(RPC_TYPE_ERROR, "Missing data String key for proposal");

            CBlock block;
            if (!DecodeHexBlk(block, dataval.get_str()))
                throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "Block decode failed");

            uint256 hash = block.GetHash();
            BlockMap::iterator mi = mapBlockIndex.find(hash);
            if (mi != mapBlockIndex.end()) {
                CBlockIndex *pindex = mi->second;
                if (pindex->IsValid(BLOCK_VALID_SCRIPTS))
                    return "duplicate";
                if (pindex->nStatus & BLOCK_FAILED_MASK)
                    return "duplicate-invalid";
                return "duplicate-inconclusive";
            }

            CBlockIndex* const pindexPrev = chainActive.Tip();
            // TestBlockValidity only supports blocks built on the current Tip
            if (block.hashPrevBlock != pindexPrev->GetBlockHash())
                return "inconclusive-not-best-prevblk";
            CValidationState state;
            TestBlockValidity(state, Params(), block, pindexPrev, false, true);
            return BIP22ValidationResult(state);
        }

        const UniValue& aClientRules = find_value(oparam, "rules");
        if (aClientRules.isArray()) {
            for (unsigned int i = 0; i < aClientRules.size(); ++i) {
                const UniValue& v = aClientRules[i];
                setClientRules.insert(v.get_str());
            }
        } else {
            // NOTE: It is important that this NOT be read if versionbits is supported
            const UniValue& uvMaxVersion = find_value(oparam, "maxversion");

		bool CRenderManager::update()
		{
			glColor3f(1.0f,1.0f,1.0f);

			// get camera
			CCamera *camera = CV_GAME_MANAGER->getControlManager()->getCamera();

			// transform view
			camera->transformView();			

			// Draw the map and items that fall into view frustum. 								

			// 1. extract approximate logical location of camera in the level map.
			vector2i center = CConversions::realToLogical(camera->getPosition());

			GLint centerX = center[0];
			GLint centerY = center[1];

			bool isFPS = CV_GAME_MANAGER->getControlManager()->isFPS();

			if (isFPS)
			{
				// fog only in FPS mode
				glEnable(GL_FOG);
			}

			/*
				In FPS mode we can't use height to determine visible offset. 
				We have to use some extent read from config (CV_CAMERA_FPS_EXTENT).
			*/
			GLint diff = (GLint)(isFPS?cameraFPSExtent:camera->getPosition()[1]*10.0f);

			// 2. create a bounding square making its center logical position calculate above.
			GLint minX = (centerX-diff>=0?centerX-diff:0);
			GLint minY = (centerY-diff>=0?centerY-diff:0);
			GLint maxX = (centerX+diff<(GLint)CV_LEVEL_MAP_SIZE?centerX+diff:CV_LEVEL_MAP_SIZE-1);
			GLint maxY = (centerY+diff<(GLint)CV_LEVEL_MAP_SIZE?centerY+diff:CV_LEVEL_MAP_SIZE-1);			

			// 3. go through all block that fall into this bounding square and check if they fall
			//    int out view frustum. If not then just exclude them.

			CBlock *block;

			GLint	blockVisible = 0,
					allVerticesCount = 0,
					creaturesVisible = 0,
					maxVertInput = 0,
					maxTexInput  = 0;

			tmpVboVertexBufferSize = 0;
			tmpVboTexCoordBufferSize = 0;

			vector3f	vertA,
						vertB,
						vertC;

			GLfloat **verts,
					*texCoords;

			CLevelManager			*lManager = CV_GAME_MANAGER->getLevelManager();
			CAnimatedTerrainManager	*atManager = CV_GAME_MANAGER->getAnimatedTerrainManager();
			CFrustum				*frustum = CV_GAME_MANAGER->getControlManager()->getViewFrustum();

			bool lavaWater = false;

			GLfloat delta = CV_GAME_MANAGER->getDeltaTime();	

			renderedBlocks.clear();

			for (GLint y=minY; y<=maxY; y++)
			{
				for (GLint x=minX; x<=maxX; x++)
				{
					block = lManager->getBlock(x,y);

					if (block)
					{
						//block->getBoundingBox()->draw(); // just for testing
						if (frustum->containsBBOX(block->getBoundingBox()))
						{
							blockVisible++;

							block->updateTexture(delta);

							lavaWater = (block->isLava() || block->isWater());

							if (lavaWater)
							{
								atManager->updateBlock(block);
							}

							renderedBlocks.push_back(block);

							// draw block objects
							if (block->getBlockObjects()->size()>0)
							{
								for (std::vector<CBlockObject*>::iterator rmIter = block->getBlockObjects()->begin(); rmIter != block->getBlockObjects()->end(); rmIter++)
								{
									CBlockObject *bObj = *rmIter;

//.........这里部分代码省略.........

		GLvoid CRenderManager::handlePickedObjects()
		{
			// if we are ower the menu we do not have to proccess things under the cursor
			if (CV_GAME_MANAGER->getGUIManager()->getPlayGUI()->is_mouse_over_gui())
			{
				return;
			}

			// if we are not selling or buying we don't have to process blocks (just objects TODO)
			ACTION_EVENT *ae = CV_GAME_MANAGER->getGUIManager()->getLastActionEvent();
			
			// get the block we have our cousor on
			CBlock *pickedBlock = CV_GAME_MANAGER->getPickingManager()->getLastPickedBlock();

			if (pickedBlock)
			{
				GLint type = pickedBlock->getType();

				/*if (!pickedBlock->isSellable())
				{
					return;
				}*/

				sBoundingBox *bbox = pickedBlock->getBoundingBox();

				vector3f a(bbox->A);
				vector3f b(bbox->B);
				vector3f c(bbox->C);
				vector3f d(bbox->D);
				vector3f e(bbox->E);
				vector3f f(bbox->F);
				vector3f g(bbox->G);
				vector3f h(bbox->H);

				a[1]=b[1]=c[1]=d[1]=CV_BLOCK_HEIGHT+CV_BLOCK_HEIGHT/4.0f+CV_BLOCK_HEIGHT/32.0f;
				e[1]=f[1]=g[1]=h[1]=CV_BLOCK_HEIGHT/4.0f+CV_BLOCK_HEIGHT/32.0f;

				glLineWidth(4.0f);

				if (pickedBlock->isLow())
				{
					if (!(ae->message_group==AEMG_BUILD_ROOMS || ae->message_group==AEMG_BUILD_DOORS || ae->message_group==AEMG_BUILD_TRAPS))
					{
						return;
					}

					// draw the selection box					

					if (pickedBlock->isSellable(CV_CURRENT_PLAYER_ID) && ae->message == AEM_SELL)
					{
						glColor3f(0.0f,1.0f,0.0f);
					}
					else if (pickedBlock->isBuildable(CV_CURRENT_PLAYER_ID) && ae->message != AEM_SELL)
					{
						glColor3f(0.0f,1.0f,0.0f);
					}
					else
					{
						glColor3f(1.0f,0.0f,0.0f);
					}
					
					glBegin(GL_LINES);
					{
						/*glVertex3fv(&a[0]); glVertex3fv(&b[0]);
						glVertex3fv(&b[0]); glVertex3fv(&c[0]);
						glVertex3fv(&c[0]); glVertex3fv(&d[0]);
						glVertex3fv(&d[0]); glVertex3fv(&a[0]);*/

						glVertex3fv(&e[0]); glVertex3fv(&f[0]);
						glVertex3fv(&f[0]); glVertex3fv(&g[0]);
						glVertex3fv(&g[0]); glVertex3fv(&h[0]);
						glVertex3fv(&h[0]); glVertex3fv(&e[0]);

						/*glVertex3fv(&a[0]); glVertex3fv(&e[0]);
						glVertex3fv(&b[0]); glVertex3fv(&f[0]);
						glVertex3fv(&c[0]); glVertex3fv(&g[0]);
						glVertex3fv(&d[0]); glVertex3fv(&h[0]);*/
					}
					glEnd();
				}
				else
				{		
					if (!(ae->message_group==AEMG_BUILD_ROOMS || ae->message_group==AEMG_BUILD_DOORS || ae->message_group==AEMG_BUILD_TRAPS))
						glColor3f(type==CV_BLOCK_TYPE_ROCK_ID?1.0f:0.0f,type==CV_BLOCK_TYPE_ROCK_ID?0.0f:1.0f,0.0f);
					else
						glColor3f(1.0f,0.0f,0.0f);
			
					glBegin(GL_LINES);
					{
						glVertex3fv(&a[0]); glVertex3fv(&b[0]);
						glVertex3fv(&b[0]); glVertex3fv(&c[0]);
						glVertex3fv(&c[0]); glVertex3fv(&d[0]);
						glVertex3fv(&d[0]); glVertex3fv(&a[0]);

						glVertex3fv(&e[0]); glVertex3fv(&f[0]);
						glVertex3fv(&f[0]); glVertex3fv(&g[0]);
						glVertex3fv(&g[0]); glVertex3fv(&h[0]);
						glVertex3fv(&h[0]); glVertex3fv(&e[0]);

						glVertex3fv(&a[0]); glVertex3fv(&e[0]);
//.........这里部分代码省略.........

// note new return type, this now returns the bad block number, else 0 for success.
//
//  I also return -ve block numbers for errors between blocks. Eg if you read 3 good blocks, then find an unexpected
//		float in the script between blocks 3 & 4 then I return -3 to indicate the error is after that, but not block 4
//
int	CInterpreter::Interpret( CTokenizer *Tokenizer, CBlockStream *BlockStream, char *filename )
{
	CBlock		block;
	CToken		*token;
	int			type, blockLevel = 0, parenthesisLevel = 0;

	m_sCurrentFile	= filename;		// used during error reporting because you can't ask tokenizer for pushed streams
	
	m_tokenizer		= Tokenizer;
	m_blockStream	= BlockStream;

	m_iCurrentLine = m_tokenizer->GetCurLine();
	token = m_tokenizer->GetToEndOfLine(TK_STRING);		
	m_sCurrentLine = token->GetStringValue();	
	m_tokenizer->PutBackToken(token, false, NULL, true);
	
	m_iBadCBlockNumber = 0;

	while (m_tokenizer->GetRemainingSize() > 0)
	{
		token = m_tokenizer->GetToken( TKF_USES_EOL, 0 );
		type = token->GetType();

		switch ( type )
		{
		case TK_UNDEFINED:
			token->Delete();
			m_iBadCBlockNumber = -m_iBadCBlockNumber;
			Error("%d : undefined token", type);
			return m_iBadCBlockNumber;
			break;

		case TK_EOF:
			break;

		case TK_EOL:
			// read the next line, then put it back
			token->Delete();
			m_iCurrentLine = m_tokenizer->GetCurLine();
			token = m_tokenizer->GetToEndOfLine(TK_STRING);			
			m_sCurrentLine = token->GetStringValue();				
			m_tokenizer->PutBackToken(token, false, NULL, true);
			break;
		
		case TK_CHAR:
		case TK_STRING:
			token->Delete();
			m_iBadCBlockNumber = -m_iBadCBlockNumber;
			Error("syntax error : unexpected string");
			return m_iBadCBlockNumber;
			break;
		
		case TK_INT:
			token->Delete();
			m_iBadCBlockNumber = -m_iBadCBlockNumber;		
			Error("syntax error : unexpected integer");
			return m_iBadCBlockNumber;
			break;
		
		case TK_FLOAT:
			token->Delete();
			m_iBadCBlockNumber = -m_iBadCBlockNumber;
			Error("syntax error : unexpected float");
			return m_iBadCBlockNumber;
			break;
		
		case TK_IDENTIFIER:
			m_iBadCBlockNumber++;
			if (!GetID( (char *) token->GetStringValue() ))
			{
				token->Delete();
				return m_iBadCBlockNumber;
			}
			token->Delete();
			break;
		
		case TK_BLOCK_START:
			token->Delete();
			if (parenthesisLevel)
			{
				m_iBadCBlockNumber = -m_iBadCBlockNumber;
				Error("syntax error : brace inside parenthesis");
				return m_iBadCBlockNumber;
			}

			blockLevel++;
			break;

		case TK_BLOCK_END:
			token->Delete();
			if (parenthesisLevel)
			{
				m_iBadCBlockNumber = -m_iBadCBlockNumber;
				Error("syntax error : brace inside parenthesis");
				return m_iBadCBlockNumber;
//.........这里部分代码省略.........