// CTransaction and CTxIndex
//
+bool CTransaction::IsFinal(int nBlockHeight, int64_t nBlockTime) const
+{
+ // Time based nLockTime implemented in 0.1.6
+ if (nLockTime == 0)
+ return true;
+ if (nBlockHeight == 0)
+ nBlockHeight = nBestHeight;
+ if (nBlockTime == 0)
+ nBlockTime = GetAdjustedTime();
+ if ((int64_t)nLockTime < ((int64_t)nLockTime < LOCKTIME_THRESHOLD ? (int64_t)nBlockHeight : nBlockTime))
+ return true;
+ for(const CTxIn& txin : vin)
+ if (!txin.IsFinal())
+ return false;
+ return true;
+}
+
+bool CTransaction::IsNewerThan(const CTransaction& old) const
+{
+ if (vin.size() != old.vin.size())
+ return false;
+ for (unsigned int i = 0; i < vin.size(); i++)
+ if (vin[i].prevout != old.vin[i].prevout)
+ return false;
+ bool fNewer = false;
+ unsigned int nLowest = numeric_limits<unsigned int>::max();
+ for (unsigned int i = 0; i < vin.size(); i++)
+ {
+ if (vin[i].nSequence != old.vin[i].nSequence)
+ {
+ if (vin[i].nSequence <= nLowest)
+ {
+ fNewer = false;
+ nLowest = vin[i].nSequence;
+ }
+ if (old.vin[i].nSequence < nLowest)
+ {
+ fNewer = true;
+ nLowest = old.vin[i].nSequence;
+ }
+ }
+ }
+ return fNewer;
+}
+
+bool CTransaction::ReadFromDisk(CDiskTxPos pos, FILE** pfileRet)
+{
+ auto filein = CAutoFile(OpenBlockFile(pos.nFile, 0, pfileRet ? "rb+" : "rb"), SER_DISK, CLIENT_VERSION);
+ if (!filein)
+ return error("CTransaction::ReadFromDisk() : OpenBlockFile failed");
+
+ // Read transaction
+ if (fseek(filein, pos.nTxPos, SEEK_SET) != 0)
+ return error("CTransaction::ReadFromDisk() : fseek failed");
+
+ try {
+ filein >> *this;
+ }
+ catch (const std::exception&) {
+ return error("%s() : deserialize or I/O error", BOOST_CURRENT_FUNCTION);
+ }
+
+ // Return file pointer
+ if (pfileRet)
+ {
+ if (fseek(filein, pos.nTxPos, SEEK_SET) != 0)
+ return error("CTransaction::ReadFromDisk() : second fseek failed");
+ *pfileRet = filein.release();
+ }
+ return true;
+}
+
bool CTransaction::ReadFromDisk(CTxDB& txdb, COutPoint prevout, CTxIndex& txindexRet)
{
SetNull();
return true;
}
-unsigned int
-CTransaction::GetLegacySigOpCount() const
+unsigned int CTransaction::GetLegacySigOpCount() const
{
unsigned int nSigOps = 0;
if (!IsCoinBase())
return nMinFee;
}
+string CTransaction::ToStringShort() const
+{
+ string str;
+ str += strprintf("%s %s", GetHash().ToString().c_str(), IsCoinBase()? "base" : (IsCoinStake()? "stake" : "user"));
+ return str;
+}
+
+string CTransaction::ToString() const
+{
+ string str;
+ str += IsCoinBase()? "Coinbase" : (IsCoinStake()? "Coinstake" : "CTransaction");
+ str += strprintf("(hash=%s, nTime=%d, ver=%d, vin.size=%" PRIszu ", vout.size=%" PRIszu ", nLockTime=%d)\n",
+ GetHash().ToString().substr(0,10).c_str(),
+ nTime,
+ nVersion,
+ vin.size(),
+ vout.size(),
+ nLockTime);
+ for (unsigned int i = 0; i < vin.size(); i++)
+ str += " " + vin[i].ToString() + "\n";
+ for (unsigned int i = 0; i < vout.size(); i++)
+ str += " " + vout[i].ToString() + "\n";
+ return str;
+}
bool CTxMemPool::accept(CTxDB& txdb, CTransaction &tx, bool fCheckInputs,
bool* pfMissingInputs)
}
+string CTxIn::ToString() const
+{
+ string str;
+ str += "CTxIn(";
+ str += CTxIn::prevout.ToString();
+ if (CTxIn::prevout.IsNull())
+ str += strprintf(", coinbase %s", HexStr(CTxIn::scriptSig).c_str());
+ else
+ str += strprintf(", scriptSig=%s", CTxIn::scriptSig.ToString().substr(0,24).c_str());
+ if (CTxIn::nSequence != numeric_limits<unsigned int>::max())
+ str += strprintf(", nSequence=%" PRIu32, CTxIn::nSequence);
+ str += ")";
+ return str;
+}
int CMerkleTx::GetDepthInMainChain(CBlockIndex* &pindexRet) const
DateTimeStrFormat("%x %H:%M:%S", pindexBest->GetBlockTime()).c_str());
}
-
void CBlock::UpdateTime(const CBlockIndex* pindexPrev)
{
nTime = max(GetBlockTime(), GetAdjustedTime());
}
+unsigned int CBlock::GetStakeEntropyBit(unsigned int nHeight) const
+{
+ // Protocol switch to support p2pool at novacoin block #9689
+ if (nHeight >= 9689 || fTestNet)
+ {
+ // Take last bit of block hash as entropy bit
+ auto nEntropyBit = (GetHash().Get32()) & (uint32_t)1;
+ if (fDebug && GetBoolArg("-printstakemodifier"))
+ printf("GetStakeEntropyBit: nTime=%" PRIu32 " hashBlock=%s nEntropyBit=%" PRIu32 "\n", nTime, GetHash().ToString().c_str(), nEntropyBit);
+ return nEntropyBit;
+ }
+ // Before novacoin block #9689 - get from pregenerated table
+ int nBitNum = nHeight & 0xFF;
+ int nItemNum = nHeight / 0xFF;
-
-
-
-
-
-
-
+ auto nEntropyBit = ((entropyStore[nItemNum] & (uint256(1) << nBitNum)) >> nBitNum).Get32();
+ if (fDebug && GetBoolArg("-printstakemodifier"))
+ printf("GetStakeEntropyBit: from pregenerated table, nHeight=%" PRIu32 " nEntropyBit=%" PRIu32 "\n", nHeight, nEntropyBit);
+ return nEntropyBit;
+}
bool CTransaction::DisconnectInputs(CTxDB& txdb)
{
return txPrev.vout[input.prevout.n];
}
+int64_t CTransaction::GetValueOut() const
+{
+ CBigNum nValueOut = 0;
+ for(const auto& txout : vout)
+ {
+ nValueOut += txout.nValue;
+ if (!MoneyRange(txout.nValue) || !MoneyRange(nValueOut))
+ throw runtime_error("CTransaction::GetValueOut() : value out of range");
+ }
+ return nValueOut.getint64();
+}
+
int64_t CTransaction::GetValueIn(const MapPrevTx& inputs) const
{
if (IsCoinBase())
return true;
}
+int64_t CBlock::GetMaxTransactionTime() const
+{
+ int64_t maxTransactionTime = 0;
+ for(const auto& tx : vtx)
+ maxTransactionTime = max(maxTransactionTime, (int64_t)tx.nTime);
+ return maxTransactionTime;
+}
+
+uint256 CBlock::BuildMerkleTree() const
+{
+ vMerkleTree.clear();
+ for(const auto& tx : vtx)
+ vMerkleTree.push_back(tx.GetHash());
+ int j = 0;
+ for (int nSize = (int)vtx.size(); nSize > 1; nSize = (nSize + 1) / 2)
+ {
+ for (int i = 0; i < nSize; i += 2)
+ {
+ int i2 = min(i+1, nSize-1);
+ vMerkleTree.push_back(Hash(vMerkleTree[j+i].begin(), vMerkleTree[j+i].end(),
+ vMerkleTree[j+i2].begin(), vMerkleTree[j+i2].end()));
+ }
+ j += nSize;
+ }
+ return (vMerkleTree.empty() ? 0 : vMerkleTree.back());
+}
+
+vector<uint256> CBlock::GetMerkleBranch(int nIndex) const
+{
+ if (vMerkleTree.empty())
+ BuildMerkleTree();
+ vector<uint256> vMerkleBranch;
+ int j = 0;
+ for (int nSize = (int)vtx.size(); nSize > 1; nSize = (nSize + 1) / 2)
+ {
+ int i = min(nIndex^1, nSize-1);
+ vMerkleBranch.push_back(vMerkleTree[j+i]);
+ nIndex >>= 1;
+ j += nSize;
+ }
+ return vMerkleBranch;
+}
+
+uint256 CBlock::CheckMerkleBranch(uint256 hash, const vector<uint256>& vMerkleBranch, int nIndex)
+{
+ if (nIndex == -1)
+ return 0;
+ for(const uint256& otherside : vMerkleBranch)
+ {
+ if (nIndex & 1)
+ hash = Hash(otherside.begin(), otherside.end(), hash.begin(), hash.end());
+ else
+ hash = Hash(hash.begin(), hash.end(), otherside.begin(), otherside.end());
+ nIndex >>= 1;
+ }
+ return hash;
+}
+
+bool CBlock::WriteToDisk(unsigned int& nFileRet, unsigned int& nBlockPosRet)
+{
+ // Open history file to append
+ auto fileout = CAutoFile(AppendBlockFile(nFileRet), SER_DISK, CLIENT_VERSION);
+ if (!fileout)
+ return error("CBlock::WriteToDisk() : AppendBlockFile failed");
+
+ // Write index header
+ unsigned int nSize = fileout.GetSerializeSize(*this);
+ fileout << nNetworkID << nSize;
+
+ // Write block
+ long fileOutPos = ftell(fileout);
+ if (fileOutPos < 0)
+ return error("CBlock::WriteToDisk() : ftell failed");
+ nBlockPosRet = fileOutPos;
+ fileout << *this;
+
+ // Flush stdio buffers and commit to disk before returning
+ fflush(fileout);
+ if (!IsInitialBlockDownload() || (nBestHeight+1) % 500 == 0)
+ FileCommit(fileout);
+ return true;
+}
+bool CBlock::ReadFromDisk(unsigned int nFile, unsigned int nBlockPos, bool fReadTransactions)
+{
+ SetNull();
+
+ // Open history file to read
+ auto filein = CAutoFile(OpenBlockFile(nFile, nBlockPos, "rb"), SER_DISK, CLIENT_VERSION);
+ if (!filein)
+ return error("CBlock::ReadFromDisk() : OpenBlockFile failed");
+ if (!fReadTransactions)
+ filein.nType |= SER_BLOCKHEADERONLY;
+
+ // Read block
+ try {
+ filein >> *this;
+ }
+ catch (const std::exception&) {
+ return error("%s() : deserialize or I/O error", BOOST_CURRENT_FUNCTION);
+ }
+
+ // Check the header
+ if (fReadTransactions && IsProofOfWork() && !CheckProofOfWork(GetHash(), nBits))
+ return error("CBlock::ReadFromDisk() : errors in block header");
+
+ return true;
+}
+
+void CBlock::print() const
+{
+ printf("CBlock(hash=%s, ver=%" PRId32 ", hashPrevBlock=%s, hashMerkleRoot=%s, nTime=%" PRIu32 ", nBits=%08x, nNonce=%" PRIu32 ", vtx=%" PRIszu ", vchBlockSig=%s)\n",
+ GetHash().ToString().c_str(),
+ nVersion,
+ hashPrevBlock.ToString().c_str(),
+ hashMerkleRoot.ToString().c_str(),
+ nTime, nBits, nNonce,
+ vtx.size(),
+ HexStr(vchBlockSig.begin(), vchBlockSig.end()).c_str());
+ for (unsigned int i = 0; i < vtx.size(); i++)
+ {
+ printf(" ");
+ vtx[i].print();
+ }
+ printf(" vMerkleTree: ");
+ for (unsigned int i = 0; i < vMerkleTree.size(); i++)
+ printf("%s ", vMerkleTree[i].ToString().substr(0,10).c_str());
+ printf("\n");
+}
bool CBlock::DisconnectBlock(CTxDB& txdb, CBlockIndex* pindex)
{
}
}
+CBlock CBlockIndex::GetBlockHeader() const
+{
+ CBlock block;
+ block.nVersion = nVersion;
+ if (pprev)
+ block.hashPrevBlock = pprev->GetBlockHash();
+ block.hashMerkleRoot = hashMerkleRoot;
+ block.nTime = nTime;
+ block.nBits = nBits;
+ block.nNonce = nNonce;
+ return block;
+}
+
+enum { nMedianTimeSpan=11 };
+
+int64_t CBlockIndex::GetMedianTimePast() const
+{
+ int64_t pmedian[nMedianTimeSpan];
+ int64_t* pbegin = &pmedian[nMedianTimeSpan];
+ int64_t* pend = &pmedian[nMedianTimeSpan];
+ const CBlockIndex* pindex = this;
+ for (int i = 0; i < nMedianTimeSpan && pindex; i++, pindex = pindex->pprev)
+ *(--pbegin) = pindex->GetBlockTime();
+ sort(pbegin, pend);
+ return pbegin[(pend - pbegin)/2];
+}
+
+int64_t CBlockIndex::GetMedianTime() const
+{
+ const CBlockIndex* pindex = this;
+ for (int i = 0; i < nMedianTimeSpan/2; i++)
+ {
+ if (!pindex->pnext)
+ return GetBlockTime();
+ pindex = pindex->pnext;
+ }
+ return pindex->GetMedianTimePast();
+}
+
bool CBlockIndex::IsSuperMajority(int minVersion, const CBlockIndex* pstart, unsigned int nRequired, unsigned int nToCheck)
{
unsigned int nFound = 0;
return (nFound >= nRequired);
}
+bool CBlockIndex::SetStakeEntropyBit(unsigned int nEntropyBit)
+{
+ if (nEntropyBit > 1)
+ return false;
+ nFlags |= (nEntropyBit? BLOCK_STAKE_ENTROPY : 0);
+ return true;
+}
+
+void CBlockIndex::SetStakeModifier(uint64_t nModifier, bool fGeneratedStakeModifier)
+{
+ nStakeModifier = nModifier;
+ if (fGeneratedStakeModifier)
+ nFlags |= BLOCK_STAKE_MODIFIER;
+}
+
+string CBlockIndex::ToString() const
+{
+ return strprintf("CBlockIndex(nprev=%p, pnext=%p, nFile=%u, nBlockPos=%-6d nHeight=%d, nMint=%s, nMoneySupply=%s, nFlags=(%s)(%d)(%s), nStakeModifier=%016" PRIx64 ", nStakeModifierChecksum=%08x, hashProofOfStake=%s, prevoutStake=(%s), nStakeTime=%d merkle=%s, hashBlock=%s)",
+ (const void*)pprev, (const void*)pnext, nFile, nBlockPos, nHeight,
+ FormatMoney(nMint).c_str(), FormatMoney(nMoneySupply).c_str(),
+ GeneratedStakeModifier() ? "MOD" : "-", GetStakeEntropyBit(), IsProofOfStake()? "PoS" : "PoW",
+ nStakeModifier, nStakeModifierChecksum,
+ hashProofOfStake.ToString().c_str(),
+ prevoutStake.ToString().c_str(), nStakeTime,
+ hashMerkleRoot.ToString().c_str(),
+ GetBlockHash().ToString().c_str());
+}
+
bool static ReserealizeBlockSignature(CBlock* pblock)
{
if (pblock->IsProofOfWork())
return false;
}
+
+
+//
+// CDiskBlockIndex
+//
+
+uint256 CDiskBlockIndex::GetBlockHash() const
+{
+ if (fUseFastIndex && blockHash != 0)
+ return blockHash;
+
+ CBlock block;
+ block.nVersion = nVersion;
+ block.hashPrevBlock = hashPrev;
+ block.hashMerkleRoot = hashMerkleRoot;
+ block.nTime = nTime;
+ block.nBits = nBits;
+ block.nNonce = nNonce;
+
+ const_cast<CDiskBlockIndex*>(this)->blockHash = block.GetHash();
+
+ return blockHash;
+}
+
+string CDiskBlockIndex::ToString() const
+{
+ string str = "CDiskBlockIndex(";
+ str += CBlockIndex::ToString();
+ str += strprintf("\n hashBlock=%s, hashPrev=%s, hashNext=%s)",
+ GetBlockHash().ToString().c_str(),
+ hashPrev.ToString().c_str(),
+ hashNext.ToString().c_str());
+ return str;
+}
+
+//
+//CBlockLocator
+//
+
+void CBlockLocator::Set(const CBlockIndex* pindex)
+{
+ vHave.clear();
+ int nStep = 1;
+ while (pindex)
+ {
+ vHave.push_back(pindex->GetBlockHash());
+ // Exponentially larger steps back
+ for (int i = 0; pindex && i < nStep; i++)
+ pindex = pindex->pprev;
+ if (vHave.size() > 10)
+ nStep *= 2;
+ }
+ vHave.push_back((!fTestNet ? hashGenesisBlock : hashGenesisBlockTestNet));
+}
+
+int CBlockLocator::GetDistanceBack()
+{
+ // Retrace how far back it was in the sender's branch
+ int nDistance = 0;
+ int nStep = 1;
+ for(const auto& hash : vHave)
+ {
+ auto mi = mapBlockIndex.find(hash);
+ if (mi != mapBlockIndex.end())
+ {
+ auto pindex = (*mi).second;
+ if (pindex->IsInMainChain())
+ return nDistance;
+ }
+ nDistance += nStep;
+ if (nDistance > 10)
+ nStep *= 2;
+ }
+ return nDistance;
+}
+
+CBlockIndex* CBlockLocator::GetBlockIndex()
+{
+ // Find the first block the caller has in the main chain
+ for(const auto& hash : vHave)
+ {
+ auto mi = mapBlockIndex.find(hash);
+ if (mi != mapBlockIndex.end())
+ {
+ auto pindex = (*mi).second;
+ if (pindex->IsInMainChain())
+ return pindex;
+ }
+ }
+ return pindexGenesisBlock;
+}
+
+uint256 CBlockLocator::GetBlockHash()
+{
+ // Find the first block the caller has in the main chain
+ for(const uint256& hash : vHave)
+ {
+ auto mi = mapBlockIndex.find(hash);
+ if (mi != mapBlockIndex.end())
+ {
+ auto pindex = (*mi).second;
+ if (pindex->IsInMainChain())
+ return hash;
+ }
+ }
+ return (!fTestNet ? hashGenesisBlock : hashGenesisBlockTestNet);
+}
+
+int CBlockLocator::GetHeight()
+{
+ CBlockIndex* pindex = GetBlockIndex();
+ if (!pindex)
+ return 0;
+ return pindex->nHeight;
+}
+
bool CheckDiskSpace(uint64_t nAdditionalBytes)
{
uint64_t nFreeBytesAvailable = filesystem::space(GetDataDir()).available;
-
-
-
bool GetWalletFile(CWallet* pwallet, string &strWalletFileOut);
-/** Position on disk for a particular transaction. */
+// Position on disk for a particular transaction.
class CDiskTxPos
{
public:
uint32_t nBlockPos;
uint32_t nTxPos;
- CDiskTxPos()
- {
- SetNull();
- }
-
- CDiskTxPos(unsigned int nFileIn, unsigned int nBlockPosIn, unsigned int nTxPosIn)
- {
- nFile = nFileIn;
- nBlockPos = nBlockPosIn;
- nTxPos = nTxPosIn;
- }
+ CDiskTxPos() { SetNull(); }
+ CDiskTxPos(unsigned int nFileIn, unsigned int nBlockPosIn, unsigned int nTxPosIn) : nFile(nFileIn), nBlockPos(nBlockPosIn), nTxPos(nTxPosIn) {}
IMPLEMENT_SERIALIZE( READWRITE(FLATDATA(*this)); )
void SetNull() { nFile = numeric_limits<uint32_t>::max(); nBlockPos = 0; nTxPos = 0; }
-/** An inpoint - a combination of a transaction and an index n into its vin */
+// An inpoint - a combination of a transaction and an index n into its vin
class CInPoint
{
public:
uint32_t n;
CInPoint() { SetNull(); }
- CInPoint(CTransaction* ptxIn, uint32_t nIn) { ptx = ptxIn; n = nIn; }
+ CInPoint(CTransaction* ptxIn, uint32_t nIn) : ptx(ptxIn), n(nIn) {}
void SetNull() { ptx = NULL; n = numeric_limits<uint32_t>::max(); }
bool IsNull() const { return (ptx == NULL && n == numeric_limits<uint32_t>::max()); }
};
-/** An outpoint - a combination of a transaction hash and an index n into its vout */
+// An outpoint - a combination of a transaction hash and an index n into its vout
class COutPoint
{
public:
uint32_t n;
COutPoint() { SetNull(); }
- COutPoint(uint256 hashIn, uint32_t nIn) { hash = hashIn; n = nIn; }
+ COutPoint(uint256 hashIn, uint32_t nIn) : hash(hashIn), n(nIn) {}
IMPLEMENT_SERIALIZE( READWRITE(FLATDATA(*this)); )
void SetNull() { hash = 0; n = numeric_limits<uint32_t>::max(); }
bool IsNull() const { return (hash == 0 && n == numeric_limits<uint32_t>::max()); }
-
-/** An input of a transaction. It contains the location of the previous
- * transaction's output that it claims and a signature that matches the
- * output's public key.
- */
+// An input of a transaction. It contains the location of the previous
+// transaction's output that it claims and a signature that matches the
+// output's public key.
+//
class CTxIn
{
public:
CScript scriptSig;
uint32_t nSequence;
- CTxIn()
- {
- nSequence = numeric_limits<unsigned int>::max();
- }
-
+ CTxIn() : nSequence(numeric_limits<unsigned int>::max()) {}
explicit CTxIn(COutPoint prevoutIn, CScript scriptSigIn=CScript(), unsigned int nSequenceIn=numeric_limits<unsigned int>::max())
- {
- prevout = prevoutIn;
- scriptSig = scriptSigIn;
- nSequence = nSequenceIn;
- }
-
+ : prevout(prevoutIn), scriptSig(scriptSigIn), nSequence(nSequenceIn) {}
CTxIn(uint256 hashPrevTx, unsigned int nOut, CScript scriptSigIn=CScript(), unsigned int nSequenceIn=numeric_limits<unsigned int>::max())
- {
- prevout = COutPoint(hashPrevTx, nOut);
- scriptSig = scriptSigIn;
- nSequence = nSequenceIn;
- }
+ : prevout(COutPoint(hashPrevTx, nOut)), scriptSig(scriptSigIn), nSequence(nSequenceIn) {}
IMPLEMENT_SERIALIZE
(
return strprintf(" %s %d", prevout.hash.ToString().c_str(), prevout.n);
}
- string ToString() const
- {
- string str;
- str += "CTxIn(";
- str += prevout.ToString();
- if (prevout.IsNull())
- str += strprintf(", coinbase %s", HexStr(scriptSig).c_str());
- else
- str += strprintf(", scriptSig=%s", scriptSig.ToString().substr(0,24).c_str());
- if (nSequence != numeric_limits<unsigned int>::max())
- str += strprintf(", nSequence=%" PRIu32, nSequence);
- str += ")";
- return str;
- }
+ string ToString() const;
void print() const
{
-
-/** An output of a transaction. It contains the public key that the next input
- * must be able to sign with to claim it.
- */
+// An output of a transaction. It contains the public key that the next input
+// must be able to sign with to claim it.
+//
class CTxOut
{
public:
int64_t nValue;
CScript scriptPubKey;
- CTxOut()
- {
- SetNull();
- }
-
- CTxOut(int64_t nValueIn, CScript scriptPubKeyIn)
- {
- nValue = nValueIn;
- scriptPubKey = scriptPubKeyIn;
- }
+ CTxOut() { SetNull(); }
+ CTxOut(int64_t nValueIn, CScript scriptPubKeyIn) : nValue(nValueIn), scriptPubKey(scriptPubKeyIn) {}
IMPLEMENT_SERIALIZE
(
return SerializeHash(*this);
}
- bool IsFinal(int nBlockHeight=0, int64_t nBlockTime=0) const
- {
- // Time based nLockTime implemented in 0.1.6
- if (nLockTime == 0)
- return true;
- if (nBlockHeight == 0)
- nBlockHeight = nBestHeight;
- if (nBlockTime == 0)
- nBlockTime = GetAdjustedTime();
- if ((int64_t)nLockTime < ((int64_t)nLockTime < LOCKTIME_THRESHOLD ? (int64_t)nBlockHeight : nBlockTime))
- return true;
- for(const CTxIn& txin : vin)
- if (!txin.IsFinal())
- return false;
- return true;
- }
-
- bool IsNewerThan(const CTransaction& old) const
- {
- if (vin.size() != old.vin.size())
- return false;
- for (unsigned int i = 0; i < vin.size(); i++)
- if (vin[i].prevout != old.vin[i].prevout)
- return false;
-
- bool fNewer = false;
- unsigned int nLowest = numeric_limits<unsigned int>::max();
- for (unsigned int i = 0; i < vin.size(); i++)
- {
- if (vin[i].nSequence != old.vin[i].nSequence)
- {
- if (vin[i].nSequence <= nLowest)
- {
- fNewer = false;
- nLowest = vin[i].nSequence;
- }
- if (old.vin[i].nSequence < nLowest)
- {
- fNewer = true;
- nLowest = old.vin[i].nSequence;
- }
- }
- }
- return fNewer;
- }
+ bool IsFinal(int nBlockHeight=0, int64_t nBlockTime=0) const;
+ bool IsNewerThan(const CTransaction& old) const;
bool IsCoinBase() const
{
/** Amount of bitcoins spent by this transaction.
@return sum of all outputs (note: does not include fees)
*/
- int64_t GetValueOut() const
- {
- CBigNum nValueOut = 0;
- for(const auto& txout : vout)
- {
- nValueOut += txout.nValue;
- if (!MoneyRange(txout.nValue) || !MoneyRange(nValueOut))
- throw runtime_error("CTransaction::GetValueOut() : value out of range");
- }
- return nValueOut.getint64();
- }
+ int64_t GetValueOut() const;
/** Amount of bitcoins coming in to this transaction
Note that lightweight clients may not know anything besides the hash of previous transactions,
int64_t GetMinFee(unsigned int nBlockSize=1, bool fAllowFree=false, enum GetMinFee_mode mode=GMF_BLOCK, unsigned int nBytes = 0) const;
- bool ReadFromDisk(CDiskTxPos pos, FILE** pfileRet=NULL)
- {
- auto filein = CAutoFile(OpenBlockFile(pos.nFile, 0, pfileRet ? "rb+" : "rb"), SER_DISK, CLIENT_VERSION);
- if (!filein)
- return error("CTransaction::ReadFromDisk() : OpenBlockFile failed");
-
- // Read transaction
- if (fseek(filein, pos.nTxPos, SEEK_SET) != 0)
- return error("CTransaction::ReadFromDisk() : fseek failed");
-
- try {
- filein >> *this;
- }
- catch (const exception&) {
- return error("%s() : deserialize or I/O error", BOOST_CURRENT_FUNCTION);
- }
-
- // Return file pointer
- if (pfileRet)
- {
- if (fseek(filein, pos.nTxPos, SEEK_SET) != 0)
- return error("CTransaction::ReadFromDisk() : second fseek failed");
- *pfileRet = filein.release();
- }
- return true;
- }
-
friend bool operator==(const CTransaction& a, const CTransaction& b)
{
return (a.nVersion == b.nVersion &&
return !(a == b);
}
- string ToStringShort() const
- {
- string str;
- str += strprintf("%s %s", GetHash().ToString().c_str(), IsCoinBase()? "base" : (IsCoinStake()? "stake" : "user"));
- return str;
- }
-
- string ToString() const
- {
- string str;
- str += IsCoinBase()? "Coinbase" : (IsCoinStake()? "Coinstake" : "CTransaction");
- str += strprintf("(hash=%s, nTime=%d, ver=%d, vin.size=%" PRIszu ", vout.size=%" PRIszu ", nLockTime=%d)\n",
- GetHash().ToString().substr(0,10).c_str(),
- nTime,
- nVersion,
- vin.size(),
- vout.size(),
- nLockTime);
- for (unsigned int i = 0; i < vin.size(); i++)
- str += " " + vin[i].ToString() + "\n";
- for (unsigned int i = 0; i < vout.size(); i++)
- str += " " + vout[i].ToString() + "\n";
- return str;
- }
+ string ToStringShort() const;
+ string ToString() const;
void print() const
{
printf("%s", ToString().c_str());
}
-
+ bool ReadFromDisk(CDiskTxPos pos, FILE** pfileRet=NULL);
bool ReadFromDisk(CTxDB& txdb, COutPoint prevout, CTxIndex& txindexRet);
bool ReadFromDisk(CTxDB& txdb, COutPoint prevout);
bool ReadFromDisk(COutPoint prevout);
void UpdateTime(const CBlockIndex* pindexPrev);
// ppcoin: entropy bit for stake modifier if chosen by modifier
- unsigned int GetStakeEntropyBit(unsigned int nHeight) const
- {
- // Protocol switch to support p2pool at novacoin block #9689
- if (nHeight >= 9689 || fTestNet)
- {
- // Take last bit of block hash as entropy bit
- auto nEntropyBit = (GetHash().Get32()) & (uint32_t)1;
- if (fDebug && GetBoolArg("-printstakemodifier"))
- printf("GetStakeEntropyBit: nTime=%" PRIu32 " hashBlock=%s nEntropyBit=%" PRIu32 "\n", nTime, GetHash().ToString().c_str(), nEntropyBit);
- return nEntropyBit;
- }
-
- // Before novacoin block #9689 - get from pregenerated table
- int nBitNum = nHeight & 0xFF;
- int nItemNum = nHeight / 0xFF;
-
- auto nEntropyBit = ((entropyStore[nItemNum] & (uint256(1) << nBitNum)) >> nBitNum).Get32();
- if (fDebug && GetBoolArg("-printstakemodifier"))
- printf("GetStakeEntropyBit: from pregenerated table, nHeight=%" PRIu32 " nEntropyBit=%" PRIu32 "\n", nHeight, nEntropyBit);
- return nEntropyBit;
- }
+ unsigned int GetStakeEntropyBit(unsigned int nHeight) const;
// ppcoin: two types of block: proof-of-work or proof-of-stake
bool IsProofOfStake() const
}
// ppcoin: get max transaction timestamp
- int64_t GetMaxTransactionTime() const
- {
- int64_t maxTransactionTime = 0;
- for(const auto& tx : vtx)
- maxTransactionTime = max(maxTransactionTime, (int64_t)tx.nTime);
- return maxTransactionTime;
- }
-
- uint256 BuildMerkleTree() const
- {
- vMerkleTree.clear();
- for(const auto& tx : vtx)
- vMerkleTree.push_back(tx.GetHash());
- int j = 0;
- for (int nSize = (int)vtx.size(); nSize > 1; nSize = (nSize + 1) / 2)
- {
- for (int i = 0; i < nSize; i += 2)
- {
- int i2 = min(i+1, nSize-1);
- vMerkleTree.push_back(Hash(vMerkleTree[j+i].begin(), vMerkleTree[j+i].end(),
- vMerkleTree[j+i2].begin(), vMerkleTree[j+i2].end()));
- }
- j += nSize;
- }
- return (vMerkleTree.empty() ? 0 : vMerkleTree.back());
- }
-
- vector<uint256> GetMerkleBranch(int nIndex) const
- {
- if (vMerkleTree.empty())
- BuildMerkleTree();
- vector<uint256> vMerkleBranch;
- int j = 0;
- for (int nSize = (int)vtx.size(); nSize > 1; nSize = (nSize + 1) / 2)
- {
- int i = min(nIndex^1, nSize-1);
- vMerkleBranch.push_back(vMerkleTree[j+i]);
- nIndex >>= 1;
- j += nSize;
- }
- return vMerkleBranch;
- }
-
- static uint256 CheckMerkleBranch(uint256 hash, const vector<uint256>& vMerkleBranch, int nIndex)
- {
- if (nIndex == -1)
- return 0;
- for(const uint256& otherside : vMerkleBranch)
- {
- if (nIndex & 1)
- hash = Hash(otherside.begin(), otherside.end(), hash.begin(), hash.end());
- else
- hash = Hash(hash.begin(), hash.end(), otherside.begin(), otherside.end());
- nIndex >>= 1;
- }
- return hash;
- }
-
-
- bool WriteToDisk(unsigned int& nFileRet, unsigned int& nBlockPosRet)
- {
- // Open history file to append
- auto fileout = CAutoFile(AppendBlockFile(nFileRet), SER_DISK, CLIENT_VERSION);
- if (!fileout)
- return error("CBlock::WriteToDisk() : AppendBlockFile failed");
-
- // Write index header
- unsigned int nSize = fileout.GetSerializeSize(*this);
- fileout << nNetworkID << nSize;
-
- // Write block
- long fileOutPos = ftell(fileout);
- if (fileOutPos < 0)
- return error("CBlock::WriteToDisk() : ftell failed");
- nBlockPosRet = fileOutPos;
- fileout << *this;
-
- // Flush stdio buffers and commit to disk before returning
- fflush(fileout);
- if (!IsInitialBlockDownload() || (nBestHeight+1) % 500 == 0)
- FileCommit(fileout);
-
- return true;
- }
-
- bool ReadFromDisk(unsigned int nFile, unsigned int nBlockPos, bool fReadTransactions=true)
- {
- SetNull();
-
- // Open history file to read
- auto filein = CAutoFile(OpenBlockFile(nFile, nBlockPos, "rb"), SER_DISK, CLIENT_VERSION);
- if (!filein)
- return error("CBlock::ReadFromDisk() : OpenBlockFile failed");
- if (!fReadTransactions)
- filein.nType |= SER_BLOCKHEADERONLY;
-
- // Read block
- try {
- filein >> *this;
- }
- catch (const exception&) {
- return error("%s() : deserialize or I/O error", BOOST_CURRENT_FUNCTION);
- }
-
- // Check the header
- if (fReadTransactions && IsProofOfWork() && !CheckProofOfWork(GetHash(), nBits))
- return error("CBlock::ReadFromDisk() : errors in block header");
-
- return true;
- }
-
-
-
- void print() const
- {
- printf("CBlock(hash=%s, ver=%" PRId32 ", hashPrevBlock=%s, hashMerkleRoot=%s, nTime=%" PRIu32 ", nBits=%08x, nNonce=%" PRIu32 ", vtx=%" PRIszu ", vchBlockSig=%s)\n",
- GetHash().ToString().c_str(),
- nVersion,
- hashPrevBlock.ToString().c_str(),
- hashMerkleRoot.ToString().c_str(),
- nTime, nBits, nNonce,
- vtx.size(),
- HexStr(vchBlockSig.begin(), vchBlockSig.end()).c_str());
- for (unsigned int i = 0; i < vtx.size(); i++)
- {
- printf(" ");
- vtx[i].print();
- }
- printf(" vMerkleTree: ");
- for (unsigned int i = 0; i < vMerkleTree.size(); i++)
- printf("%s ", vMerkleTree[i].ToString().substr(0,10).c_str());
- printf("\n");
- }
-
-
+ int64_t GetMaxTransactionTime() const;
+ uint256 BuildMerkleTree() const;
+ vector<uint256> GetMerkleBranch(int nIndex) const;
+ static uint256 CheckMerkleBranch(uint256 hash, const vector<uint256>& vMerkleBranch, int nIndex);
+ bool WriteToDisk(unsigned int& nFileRet, unsigned int& nBlockPosRet);
+ bool ReadFromDisk(unsigned int nFile, unsigned int nBlockPos, bool fReadTransactions=true);
+ void print() const;
bool DisconnectBlock(CTxDB& txdb, CBlockIndex* pindex);
bool ConnectBlock(CTxDB& txdb, CBlockIndex* pindex, bool fJustCheck=false);
bool ReadFromDisk(const CBlockIndex* pindex, bool fReadTransactions=true);
nNonce = block.nNonce;
}
- CBlock GetBlockHeader() const
- {
- CBlock block;
- block.nVersion = nVersion;
- if (pprev)
- block.hashPrevBlock = pprev->GetBlockHash();
- block.hashMerkleRoot = hashMerkleRoot;
- block.nTime = nTime;
- block.nBits = nBits;
- block.nNonce = nNonce;
- return block;
- }
+ CBlock GetBlockHeader() const;
uint256 GetBlockHash() const
{
return true;
}
- enum { nMedianTimeSpan=11 };
-
- int64_t GetMedianTimePast() const
- {
- int64_t pmedian[nMedianTimeSpan];
- int64_t* pbegin = &pmedian[nMedianTimeSpan];
- int64_t* pend = &pmedian[nMedianTimeSpan];
-
- const CBlockIndex* pindex = this;
- for (int i = 0; i < nMedianTimeSpan && pindex; i++, pindex = pindex->pprev)
- *(--pbegin) = pindex->GetBlockTime();
-
- sort(pbegin, pend);
- return pbegin[(pend - pbegin)/2];
- }
-
- int64_t GetMedianTime() const
- {
- const CBlockIndex* pindex = this;
- for (int i = 0; i < nMedianTimeSpan/2; i++)
- {
- if (!pindex->pnext)
- return GetBlockTime();
- pindex = pindex->pnext;
- }
- return pindex->GetMedianTimePast();
- }
+ int64_t GetMedianTimePast() const;
+ int64_t GetMedianTime() const;
/**
* Returns true if there are nRequired or more blocks of minVersion or above
return ((nFlags & BLOCK_STAKE_ENTROPY) >> 1);
}
- bool SetStakeEntropyBit(unsigned int nEntropyBit)
- {
- if (nEntropyBit > 1)
- return false;
- nFlags |= (nEntropyBit? BLOCK_STAKE_ENTROPY : 0);
- return true;
- }
+ bool SetStakeEntropyBit(unsigned int nEntropyBit);
bool GeneratedStakeModifier() const
{
return (nFlags & BLOCK_STAKE_MODIFIER) != 0;
}
- void SetStakeModifier(uint64_t nModifier, bool fGeneratedStakeModifier)
- {
- nStakeModifier = nModifier;
- if (fGeneratedStakeModifier)
- nFlags |= BLOCK_STAKE_MODIFIER;
- }
-
- string ToString() const
- {
- return strprintf("CBlockIndex(nprev=%p, pnext=%p, nFile=%u, nBlockPos=%-6d nHeight=%d, nMint=%s, nMoneySupply=%s, nFlags=(%s)(%d)(%s), nStakeModifier=%016" PRIx64 ", nStakeModifierChecksum=%08x, hashProofOfStake=%s, prevoutStake=(%s), nStakeTime=%d merkle=%s, hashBlock=%s)",
- (const void*)pprev, (const void*)pnext, nFile, nBlockPos, nHeight,
- FormatMoney(nMint).c_str(), FormatMoney(nMoneySupply).c_str(),
- GeneratedStakeModifier() ? "MOD" : "-", GetStakeEntropyBit(), IsProofOfStake()? "PoS" : "PoW",
- nStakeModifier, nStakeModifierChecksum,
- hashProofOfStake.ToString().c_str(),
- prevoutStake.ToString().c_str(), nStakeTime,
- hashMerkleRoot.ToString().c_str(),
- GetBlockHash().ToString().c_str());
- }
+ void SetStakeModifier(uint64_t nModifier, bool fGeneratedStakeModifier);
+ string ToString() const;
void print() const
{
-/** Used to marshal pointers into hashes for db storage. */
+// Used to marshal pointers into hashes for db storage.
class CDiskBlockIndex : public CBlockIndex
{
private:
uint256 hashPrev;
uint256 hashNext;
- CDiskBlockIndex()
- {
- hashPrev = 0;
- hashNext = 0;
- blockHash = 0;
- }
-
+ CDiskBlockIndex() : blockHash(0), hashPrev(0), hashNext(0) {}
explicit CDiskBlockIndex(CBlockIndex* pindex) : CBlockIndex(*pindex)
{
hashPrev = (pprev ? pprev->GetBlockHash() : 0);
READWRITE(blockHash);
)
- uint256 GetBlockHash() const
- {
- if (fUseFastIndex && blockHash != 0)
- return blockHash;
-
- CBlock block;
- block.nVersion = nVersion;
- block.hashPrevBlock = hashPrev;
- block.hashMerkleRoot = hashMerkleRoot;
- block.nTime = nTime;
- block.nBits = nBits;
- block.nNonce = nNonce;
-
- const_cast<CDiskBlockIndex*>(this)->blockHash = block.GetHash();
-
- return blockHash;
- }
-
- string ToString() const
- {
- string str = "CDiskBlockIndex(";
- str += CBlockIndex::ToString();
- str += strprintf("\n hashBlock=%s, hashPrev=%s, hashNext=%s)",
- GetBlockHash().ToString().c_str(),
- hashPrev.ToString().c_str(),
- hashNext.ToString().c_str());
- return str;
- }
+ uint256 GetBlockHash() const;
+ string ToString() const;
void print() const
{
-
-
-
-
-
-/** Describes a place in the block chain to another node such that if the
- * other node doesn't have the same branch, it can find a recent common trunk.
- * The further back it is, the further before the fork it may be.
- */
+// Describes a place in the block chain to another node such that if the
+// other node doesn't have the same branch, it can find a recent common trunk.
+// The further back it is, the further before the fork it may be.
+//
class CBlockLocator
{
protected:
vector<uint256> vHave;
public:
- CBlockLocator()
- {
- }
+ CBlockLocator() { }
+ CBlockLocator(const vector<uint256>& vHaveIn) : vHave(vHaveIn) { }
explicit CBlockLocator(const CBlockIndex* pindex)
{
Set((*mi).second);
}
- CBlockLocator(const vector<uint256>& vHaveIn)
- {
- vHave = vHaveIn;
- }
-
IMPLEMENT_SERIALIZE
(
if (!(nType & SER_GETHASH))
return vHave.empty();
}
- void Set(const CBlockIndex* pindex)
- {
- vHave.clear();
- int nStep = 1;
- while (pindex)
- {
- vHave.push_back(pindex->GetBlockHash());
-
- // Exponentially larger steps back
- for (int i = 0; pindex && i < nStep; i++)
- pindex = pindex->pprev;
- if (vHave.size() > 10)
- nStep *= 2;
- }
- vHave.push_back((!fTestNet ? hashGenesisBlock : hashGenesisBlockTestNet));
- }
-
- int GetDistanceBack()
- {
- // Retrace how far back it was in the sender's branch
- int nDistance = 0;
- int nStep = 1;
- for(const auto& hash : vHave)
- {
- auto mi = mapBlockIndex.find(hash);
- if (mi != mapBlockIndex.end())
- {
- auto pindex = (*mi).second;
- if (pindex->IsInMainChain())
- return nDistance;
- }
- nDistance += nStep;
- if (nDistance > 10)
- nStep *= 2;
- }
- return nDistance;
- }
-
- CBlockIndex* GetBlockIndex()
- {
- // Find the first block the caller has in the main chain
- for(const auto& hash : vHave)
- {
- auto mi = mapBlockIndex.find(hash);
- if (mi != mapBlockIndex.end())
- {
- auto pindex = (*mi).second;
- if (pindex->IsInMainChain())
- return pindex;
- }
- }
- return pindexGenesisBlock;
- }
-
- uint256 GetBlockHash()
- {
- // Find the first block the caller has in the main chain
- for(const uint256& hash : vHave)
- {
- auto mi = mapBlockIndex.find(hash);
- if (mi != mapBlockIndex.end())
- {
- auto pindex = (*mi).second;
- if (pindex->IsInMainChain())
- return hash;
- }
- }
- return (!fTestNet ? hashGenesisBlock : hashGenesisBlockTestNet);
- }
-
- int GetHeight()
- {
- CBlockIndex* pindex = GetBlockIndex();
- if (!pindex)
- return 0;
- return pindex->nHeight;
- }
+ void Set(const CBlockIndex* pindex);
+ int GetDistanceBack();
+ CBlockIndex* GetBlockIndex();
+ uint256 GetBlockHash();
+ int GetHeight();
};
-
-
-
-
-
class CTxMemPool
{
public:
git://git.novaco.in / novacoin.git / commitdiff