// Copyright (c) 2011 The Bitcoin developers
// Distributed under the MIT/X11 software license, see the accompanying
// file license.txt or http://www.opensource.org/licenses/mit-license.php.
+
+#include <stdint.h>
+
#include "headers.h"
+#include "checkpoints.h"
#include "db.h"
#include "net.h"
#include "init.h"
-#include "cryptopp/sha.h"
#include <boost/filesystem.hpp>
#include <boost/filesystem/fstream.hpp>
// Global state
//
+// Name of client reported in the 'version' message. Report the same name
+// for both bitcoind and bitcoin-qt, to make it harder for attackers to
+// target servers or GUI users specifically.
+const std::string CLIENT_NAME("bitcoin-qt");
+
CCriticalSection cs_setpwalletRegistered;
set<CWallet*> setpwalletRegistered;
CCriticalSection cs_main;
-map<uint256, CTransaction> mapTransactions;
+static map<uint256, CTransaction> mapTransactions;
CCriticalSection cs_mapTransactions;
unsigned int nTransactionsUpdated = 0;
map<COutPoint, CInPoint> mapNextTx;
map<uint256, CBlockIndex*> mapBlockIndex;
uint256 hashGenesisBlock("0x000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f");
-CBigNum bnProofOfWorkLimit(~uint256(0) >> 32);
-const int nTotalBlocksEstimate = 134444; // Conservative estimate of total nr of blocks on main chain
+static CBigNum bnProofOfWorkLimit(~uint256(0) >> 32);
const int nInitialBlockThreshold = 120; // Regard blocks up until N-threshold as "initial download"
CBlockIndex* pindexGenesisBlock = NULL;
int nBestHeight = -1;
CBigNum bnBestInvalidWork = 0;
uint256 hashBestChain = 0;
CBlockIndex* pindexBest = NULL;
-int64 nTimeBestReceived = 0;
+int64_t nTimeBestReceived = 0;
+
+CMedianFilter<int> cPeerBlockCounts(5, 0); // Amount of blocks that other nodes claim to have
map<uint256, CBlock*> mapOrphanBlocks;
multimap<uint256, CBlock*> mapOrphanBlocksByPrev;
double dHashesPerSec;
-int64 nHPSTimerStart;
+int64_t nHPSTimerStart;
// Settings
int fGenerateBitcoins = false;
-int64 nTransactionFee = 0;
+int64_t nTransactionFee = 0;
int fLimitProcessors = false;
int nLimitProcessors = 1;
int fMinimizeToTray = true;
#endif
-
-
-
-
-
//////////////////////////////////////////////////////////////////////////////
//
// dispatching functions
//
+// These functions dispatch to one or all registered wallets
+
+
void RegisterWallet(CWallet* pwalletIn)
{
CRITICAL_BLOCK(cs_setpwalletRegistered)
}
}
+// check whether the passed transaction is from us
bool static IsFromMe(CTransaction& tx)
{
BOOST_FOREACH(CWallet* pwallet, setpwalletRegistered)
return false;
}
+// get the wallet transaction with the given hash (if it exists)
bool static GetTransaction(const uint256& hashTx, CWalletTx& wtx)
{
BOOST_FOREACH(CWallet* pwallet, setpwalletRegistered)
return false;
}
+// erases transaction with the given hash from all wallets
void static EraseFromWallets(uint256 hash)
{
BOOST_FOREACH(CWallet* pwallet, setpwalletRegistered)
pwallet->EraseFromWallet(hash);
}
+// make sure all wallets know about the given transaction, in the given block
void static SyncWithWallets(const CTransaction& tx, const CBlock* pblock = NULL, bool fUpdate = false)
{
BOOST_FOREACH(CWallet* pwallet, setpwalletRegistered)
pwallet->AddToWalletIfInvolvingMe(tx, pblock, fUpdate);
}
+// notify wallets about a new best chain
void static SetBestChain(const CBlockLocator& loc)
{
BOOST_FOREACH(CWallet* pwallet, setpwalletRegistered)
pwallet->SetBestChain(loc);
}
+// notify wallets about an updated transaction
void static UpdatedTransaction(const uint256& hashTx)
{
BOOST_FOREACH(CWallet* pwallet, setpwalletRegistered)
pwallet->UpdatedTransaction(hashTx);
}
+// dump all wallets
void static PrintWallets(const CBlock& block)
{
BOOST_FOREACH(CWallet* pwallet, setpwalletRegistered)
pwallet->PrintWallet(block);
}
+// notify wallets about an incoming inventory (for request counts)
void static Inventory(const uint256& hash)
{
BOOST_FOREACH(CWallet* pwallet, setpwalletRegistered)
pwallet->Inventory(hash);
}
+// ask wallets to resend their transactions
void static ResendWalletTransactions()
{
BOOST_FOREACH(CWallet* pwallet, setpwalletRegistered)
return ReadFromDisk(txdb, prevout, txindex);
}
+bool CTransaction::IsStandard() const
+{
+ BOOST_FOREACH(const CTxIn& txin, vin)
+ {
+ // Biggest 'standard' txin is a 3-signature 3-of-3 CHECKMULTISIG
+ // in an OP_EVAL, which is 3 ~80-byte signatures, 3
+ // ~65-byte public keys, plus a few script ops.
+ if (txin.scriptSig.size() > 500)
+ return error("nonstandard txin, size %d is too large\n", txin.scriptSig.size());
+ if (!txin.scriptSig.IsPushOnly())
+ return error("nonstandard txin (opcodes other than PUSH): %s", txin.scriptSig.ToString().c_str());
+ }
+ BOOST_FOREACH(const CTxOut& txout, vout)
+ if (!::IsStandard(txout.scriptPubKey))
+ return error("nonstandard txout: %s", txout.scriptPubKey.ToString().c_str());
+ return true;
+}
+
+//
+// Check transaction inputs, and make sure any
+// OP_EVAL transactions are evaluating IsStandard scripts
+//
+// Why bother? To avoid denial-of-service attacks; an attacker
+// can submit a standard DUP HASH... OP_EVAL transaction,
+// which will get accepted into blocks. The script being
+// EVAL'ed can be anything; an attacker could use a very
+// expensive-to-check-upon-redemption script like:
+// DUP CHECKSIG DROP ... repeated 100 times... OP_1
+//
+bool CTransaction::AreInputsStandard(std::map<uint256, std::pair<CTxIndex, CTransaction> > mapInputs) const
+{
+ if (fTestNet)
+ return true; // Allow non-standard on testnet
+
+ for (int i = 0; i < vin.size(); i++)
+ {
+ COutPoint prevout = vin[i].prevout;
+ assert(mapInputs.count(prevout.hash) > 0);
+ CTransaction& txPrev = mapInputs[prevout.hash].second;
+
+ vector<vector<unsigned char> > vSolutions;
+ txnouttype whichType;
+ // get the scriptPubKey corresponding to this input:
+ CScript& prevScript = txPrev.vout[prevout.n].scriptPubKey;
+ if (!Solver(prevScript, whichType, vSolutions))
+ return error("nonstandard txin (spending nonstandard txout %s)", prevScript.ToString().c_str());
+ if (whichType == TX_SCRIPTHASH)
+ {
+ vector<vector<unsigned char> > stack;
+ int nUnused;
+ if (!EvalScript(stack, vin[i].scriptSig, *this, i, 0, true, nUnused))
+ return false;
+ CScript subscript(stack.back().begin(), stack.back().end());
+ if (!::IsStandard(subscript))
+ return error("nonstandard txin (nonstandard OP_EVAL subscript %s)", subscript.ToString().c_str());
+ }
+ }
+
+ return true;
+}
+
int CMerkleTx::SetMerkleBranch(const CBlock* pblock)
bool CTransaction::CheckTransaction() const
{
// Basic checks that don't depend on any context
- if (vin.empty() || vout.empty())
- return error("CTransaction::CheckTransaction() : vin or vout empty");
-
+ if (vin.empty())
+ return DoS(10, error("CTransaction::CheckTransaction() : vin empty"));
+ if (vout.empty())
+ return DoS(10, error("CTransaction::CheckTransaction() : vout empty"));
// Size limits
if (::GetSerializeSize(*this, SER_NETWORK) > MAX_BLOCK_SIZE)
- return error("CTransaction::CheckTransaction() : size limits failed");
+ return DoS(100, error("CTransaction::CheckTransaction() : size limits failed"));
// Check for negative or overflow output values
- int64 nValueOut = 0;
+ int64_t nValueOut = 0;
BOOST_FOREACH(const CTxOut& txout, vout)
{
if (txout.nValue < 0)
- return error("CTransaction::CheckTransaction() : txout.nValue negative");
+ return DoS(100, error("CTransaction::CheckTransaction() : txout.nValue negative"));
if (txout.nValue > MAX_MONEY)
- return error("CTransaction::CheckTransaction() : txout.nValue too high");
+ return DoS(100, error("CTransaction::CheckTransaction() : txout.nValue too high"));
nValueOut += txout.nValue;
if (!MoneyRange(nValueOut))
- return error("CTransaction::CheckTransaction() : txout total out of range");
+ return DoS(100, error("CTransaction::CheckTransaction() : txout total out of range"));
}
// Check for duplicate inputs
if (IsCoinBase())
{
if (vin[0].scriptSig.size() < 2 || vin[0].scriptSig.size() > 100)
- return error("CTransaction::CheckTransaction() : coinbase script size");
+ return DoS(100, error("CTransaction::CheckTransaction() : coinbase script size"));
}
else
{
BOOST_FOREACH(const CTxIn& txin, vin)
if (txin.prevout.IsNull())
- return error("CTransaction::CheckTransaction() : prevout is null");
+ return DoS(10, error("CTransaction::CheckTransaction() : prevout is null"));
}
return true;
// Coinbase is only valid in a block, not as a loose transaction
if (IsCoinBase())
- return error("AcceptToMemoryPool() : coinbase as individual tx");
+ return DoS(100, error("AcceptToMemoryPool() : coinbase as individual tx"));
// To help v0.1.5 clients who would see it as a negative number
- if ((int64)nLockTime > INT_MAX)
+ if ((int64_t)nLockTime > std::numeric_limits<int>::max())
return error("AcceptToMemoryPool() : not accepting nLockTime beyond 2038 yet");
- // Safety limits
- unsigned int nSize = ::GetSerializeSize(*this, SER_NETWORK);
- // Checking ECDSA signatures is a CPU bottleneck, so to avoid denial-of-service
- // attacks disallow transactions with more than one SigOp per 34 bytes.
- // 34 bytes because a TxOut is:
- // 20-byte address + 8 byte bitcoin amount + 5 bytes of ops + 1 byte script length
- if (GetSigOpCount() > nSize / 34 || nSize < 100)
- return error("AcceptToMemoryPool() : nonstandard transaction");
-
// Rather not work on nonstandard transactions (unless -testnet)
if (!fTestNet && !IsStandard())
return error("AcceptToMemoryPool() : nonstandard transaction type");
if (fCheckInputs)
{
- // Check against previous transactions
+ map<uint256, pair<CTxIndex, CTransaction> > mapInputs;
map<uint256, CTxIndex> mapUnused;
- int64 nFees = 0;
- if (!ConnectInputs(txdb, mapUnused, CDiskTxPos(1,1,1), pindexBest, nFees, false, false))
+ if (!FetchInputs(txdb, mapUnused, false, false, mapInputs))
+ {
+ if (pfMissingInputs)
+ *pfMissingInputs = true;
+ return error("AcceptToMemoryPool() : FetchInputs failed %s", hash.ToString().substr(0,10).c_str());
+ }
+
+ // Check for non-standard OP_EVALs in inputs
+ if (!AreInputsStandard(mapInputs))
+ return error("AcceptToMemoryPool() : nonstandard transaction input");
+
+ // Check against previous transactions
+ int64_t nFees = 0;
+ int nSigOps = 0;
+ if (!ConnectInputs(mapInputs, mapUnused, CDiskTxPos(1,1,1), pindexBest, nFees, false, false, nSigOps))
{
if (pfMissingInputs)
*pfMissingInputs = true;
return error("AcceptToMemoryPool() : ConnectInputs failed %s", hash.ToString().substr(0,10).c_str());
}
+ // Checking ECDSA signatures is a CPU bottleneck, so to avoid denial-of-service
+ // attacks disallow transactions with more than one SigOp per 65 bytes.
+ // 65 bytes because that is the minimum size of an ECDSA signature
+ unsigned int nSize = ::GetSerializeSize(*this, SER_NETWORK);
+ if (nSigOps > nSize / 65 || nSize < 100)
+ return error("AcceptToMemoryPool() : transaction with out-of-bounds SigOpCount");
// Don't accept it if it can't get into a block
- if (nFees < GetMinFee(1000, true, true))
+ if (nFees < GetMinFee(1000, true, GMF_RELAY))
return error("AcceptToMemoryPool() : not enough fees");
// Continuously rate-limit free transactions
{
static CCriticalSection cs;
static double dFreeCount;
- static int64 nLastTime;
- int64 nNow = GetTime();
+ static int64_t nLastTime;
+ int64_t nNow = GetTime();
CRITICAL_BLOCK(cs)
{
-int CMerkleTx::GetDepthInMainChain(int& nHeightRet) const
+int CMerkleTx::GetDepthInMainChain(CBlockIndex* &pindexRet) const
{
if (hashBlock == 0 || nIndex == -1)
return 0;
fMerkleVerified = true;
}
- nHeightRet = pindex->nHeight;
+ pindexRet = pindex;
return pindexBest->nHeight - pindex->nHeight + 1;
}
return pblock->GetHash();
}
-int64 static GetBlockValue(int nHeight, int64 nFees)
+int64_t static GetBlockValue(int nHeight, int64_t nFees)
{
- int64 nSubsidy = 50 * COIN;
+ int64_t nSubsidy = 50 * COIN;
// Subsidy is cut in half every 4 years
nSubsidy >>= (nHeight / 210000);
return nSubsidy + nFees;
}
+static const int64_t nTargetTimespan = 14 * 24 * 60 * 60; // two weeks
+static const int64_t nTargetSpacing = 10 * 60;
+static const int64_t nInterval = nTargetTimespan / nTargetSpacing;
+
+//
+// minimum amount of work that could possibly be required nTime after
+// minimum work required was nBase
+//
+unsigned int ComputeMinWork(unsigned int nBase, int64_t nTime)
+{
+ CBigNum bnResult;
+ bnResult.SetCompact(nBase);
+ while (nTime > 0 && bnResult < bnProofOfWorkLimit)
+ {
+ // Maximum 400% adjustment...
+ bnResult *= 4;
+ // ... in best-case exactly 4-times-normal target time
+ nTime -= nTargetTimespan*4;
+ }
+ if (bnResult > bnProofOfWorkLimit)
+ bnResult = bnProofOfWorkLimit;
+ return bnResult.GetCompact();
+}
+
unsigned int static GetNextWorkRequired(const CBlockIndex* pindexLast)
{
- const int64 nTargetTimespan = 14 * 24 * 60 * 60; // two weeks
- const int64 nTargetSpacing = 10 * 60;
- const int64 nInterval = nTargetTimespan / nTargetSpacing;
// Genesis block
if (pindexLast == NULL)
assert(pindexFirst);
// Limit adjustment step
- int64 nActualTimespan = pindexLast->GetBlockTime() - pindexFirst->GetBlockTime();
+ int64_t nActualTimespan = pindexLast->GetBlockTime() - pindexFirst->GetBlockTime();
printf(" nActualTimespan = %"PRI64d" before bounds\n", nActualTimespan);
if (nActualTimespan < nTargetTimespan/4)
nActualTimespan = nTargetTimespan/4;
return true;
}
-// Return conservative estimate of total number of blocks, 0 if unknown
-int GetTotalBlocksEstimate()
+// Return maximum amount of blocks that other nodes claim to have
+int GetNumBlocksOfPeers()
{
- if(fTestNet)
- {
- return 0;
- }
- else
- {
- return nTotalBlocksEstimate;
- }
+ return std::max(cPeerBlockCounts.median(), Checkpoints::GetTotalBlocksEstimate());
}
bool IsInitialBlockDownload()
{
- if (pindexBest == NULL || nBestHeight < (GetTotalBlocksEstimate()-nInitialBlockThreshold))
+ if (pindexBest == NULL || nBestHeight < (Checkpoints::GetTotalBlocksEstimate()-nInitialBlockThreshold))
return true;
- static int64 nLastUpdate;
+ static int64_t nLastUpdate;
static CBlockIndex* pindexLastBest;
if (pindexBest != pindexLastBest)
{
}
-bool CTransaction::ConnectInputs(CTxDB& txdb, map<uint256, CTxIndex>& mapTestPool, CDiskTxPos posThisTx,
- CBlockIndex* pindexBlock, int64& nFees, bool fBlock, bool fMiner, int64 nMinFee)
+bool CTransaction::FetchInputs(CTxDB& txdb, const map<uint256, CTxIndex>& mapTestPool,
+ bool fBlock, bool fMiner, map<uint256, pair<CTxIndex, CTransaction> >& inputsRet)
{
- // Take over previous transactions' spent pointers
- if (!IsCoinBase())
+ if (IsCoinBase())
+ return true; // Coinbase transactions have no inputs to fetch.
+
+ for (int i = 0; i < vin.size(); i++)
{
- int64 nValueIn = 0;
- for (int i = 0; i < vin.size(); i++)
+ COutPoint prevout = vin[i].prevout;
+ if (inputsRet.count(prevout.hash))
+ continue; // Got it already
+
+ // Read txindex
+ CTxIndex& txindex = inputsRet[prevout.hash].first;
+ bool fFound = true;
+ if ((fBlock || fMiner) && mapTestPool.count(prevout.hash))
{
- COutPoint prevout = vin[i].prevout;
+ // Get txindex from current proposed changes
+ txindex = mapTestPool.find(prevout.hash)->second;
+ }
+ else
+ {
+ // Read txindex from txdb
+ fFound = txdb.ReadTxIndex(prevout.hash, txindex);
+ }
+ if (!fFound && (fBlock || fMiner))
+ return fMiner ? false : error("FetchInputs() : %s prev tx %s index entry not found", GetHash().ToString().substr(0,10).c_str(), prevout.hash.ToString().substr(0,10).c_str());
- // Read txindex
- CTxIndex txindex;
- bool fFound = true;
- if (fMiner && mapTestPool.count(prevout.hash))
- {
- // Get txindex from current proposed changes
- txindex = mapTestPool[prevout.hash];
- }
- else
+ // Read txPrev
+ CTransaction& txPrev = inputsRet[prevout.hash].second;
+ if (!fFound || txindex.pos == CDiskTxPos(1,1,1))
+ {
+ // Get prev tx from single transactions in memory
+ CRITICAL_BLOCK(cs_mapTransactions)
{
- // Read txindex from txdb
- fFound = txdb.ReadTxIndex(prevout.hash, txindex);
+ if (!mapTransactions.count(prevout.hash))
+ return error("FetchInputs() : %s mapTransactions prev not found %s", GetHash().ToString().substr(0,10).c_str(), prevout.hash.ToString().substr(0,10).c_str());
+ txPrev = mapTransactions[prevout.hash];
}
- if (!fFound && (fBlock || fMiner))
- return fMiner ? false : error("ConnectInputs() : %s prev tx %s index entry not found", GetHash().ToString().substr(0,10).c_str(), prevout.hash.ToString().substr(0,10).c_str());
+ if (!fFound)
+ txindex.vSpent.resize(txPrev.vout.size());
+ }
+ else
+ {
+ // Get prev tx from disk
+ if (!txPrev.ReadFromDisk(txindex.pos))
+ return error("FetchInputs() : %s ReadFromDisk prev tx %s failed", GetHash().ToString().substr(0,10).c_str(), prevout.hash.ToString().substr(0,10).c_str());
+ }
+ }
+ return true;
+}
- // Read txPrev
- CTransaction txPrev;
- if (!fFound || txindex.pos == CDiskTxPos(1,1,1))
- {
- // Get prev tx from single transactions in memory
- CRITICAL_BLOCK(cs_mapTransactions)
- {
- if (!mapTransactions.count(prevout.hash))
- return error("ConnectInputs() : %s mapTransactions prev not found %s", GetHash().ToString().substr(0,10).c_str(), prevout.hash.ToString().substr(0,10).c_str());
- txPrev = mapTransactions[prevout.hash];
- }
- if (!fFound)
- txindex.vSpent.resize(txPrev.vout.size());
- }
- else
- {
- // Get prev tx from disk
- if (!txPrev.ReadFromDisk(txindex.pos))
- return error("ConnectInputs() : %s ReadFromDisk prev tx %s failed", GetHash().ToString().substr(0,10).c_str(), prevout.hash.ToString().substr(0,10).c_str());
- }
+bool CTransaction::ConnectInputs(map<uint256, pair<CTxIndex, CTransaction> > inputs,
+ map<uint256, CTxIndex>& mapTestPool, CDiskTxPos posThisTx,
+ CBlockIndex* pindexBlock, int64_t& nFees, bool fBlock, bool fMiner, int& nSigOpsRet, int64_t nMinFee)
+{
+ // Take over previous transactions' spent pointers
+ // fBlock is true when this is called from AcceptBlock when a new best-block is added to the blockchain
+ // fMiner is true when called from the internal bitcoin miner
+ // ... both are false when called from CTransaction::AcceptToMemoryPool
+ if (!IsCoinBase())
+ {
+ int64_t nValueIn = 0;
+ for (int i = 0; i < vin.size(); i++)
+ {
+ COutPoint prevout = vin[i].prevout;
+ assert(inputs.count(prevout.hash) > 0);
+ CTxIndex& txindex = inputs[prevout.hash].first;
+ CTransaction& txPrev = inputs[prevout.hash].second;
if (prevout.n >= txPrev.vout.size() || prevout.n >= txindex.vSpent.size())
- return error("ConnectInputs() : %s prevout.n out of range %d %d %d prev tx %s\n%s", GetHash().ToString().substr(0,10).c_str(), prevout.n, txPrev.vout.size(), txindex.vSpent.size(), prevout.hash.ToString().substr(0,10).c_str(), txPrev.ToString().c_str());
+ return DoS(100, error("ConnectInputs() : %s prevout.n out of range %d %d %d prev tx %s\n%s", GetHash().ToString().substr(0,10).c_str(), prevout.n, txPrev.vout.size(), txindex.vSpent.size(), prevout.hash.ToString().substr(0,10).c_str(), txPrev.ToString().c_str()));
// If prev is coinbase, check that it's matured
if (txPrev.IsCoinBase())
if (pindex->nBlockPos == txindex.pos.nBlockPos && pindex->nFile == txindex.pos.nFile)
return error("ConnectInputs() : tried to spend coinbase at depth %d", pindexBlock->nHeight - pindex->nHeight);
- // Verify signature
- if (!VerifySignature(txPrev, *this, i))
- return error("ConnectInputs() : %s VerifySignature failed", GetHash().ToString().substr(0,10).c_str());
+ // Skip ECDSA signature verification when connecting blocks (fBlock=true) during initial download
+ // (before the last blockchain checkpoint). This is safe because block merkle hashes are
+ // still computed and checked, and any change will be caught at the next checkpoint.
+ if (!(fBlock && IsInitialBlockDownload()))
+ {
+ bool fStrictOpEval = true;
+ // This code should be removed when OP_EVAL has
+ // a majority of hashing power on the network.
+ if (fBlock)
+ {
+ // To avoid being on the short end of a block-chain split,
+ // interpret OP_EVAL as a NO_OP until blocks with timestamps
+ // after opevaltime:
+ int64_t nEvalSwitchTime = GetArg("opevaltime", 1328054400); // Feb 1, 2012
+ fStrictOpEval = (pindexBlock->nTime >= nEvalSwitchTime);
+ }
+ // if !fBlock, then always be strict-- don't accept
+ // invalid-under-new-rules OP_EVAL transactions into
+ // our memory pool (don't relay them, don't include them
+ // in blocks we mine).
+
+ // Verify signature
+ if (!VerifySignature(txPrev, *this, i, nSigOpsRet, fStrictOpEval))
+ return DoS(100,error("ConnectInputs() : %s VerifySignature failed", GetHash().ToString().substr(0,10).c_str()));
+ }
- // Check for conflicts
+ // Check for conflicts (double-spend)
+ // This doesn't trigger the DoS code on purpose; if it did, it would make it easier
+ // for an attacker to attempt to split the network.
if (!txindex.vSpent[prevout.n].IsNull())
return fMiner ? false : error("ConnectInputs() : %s prev tx already used at %s", GetHash().ToString().substr(0,10).c_str(), txindex.vSpent[prevout.n].ToString().c_str());
// Check for negative or overflow input values
nValueIn += txPrev.vout[prevout.n].nValue;
if (!MoneyRange(txPrev.vout[prevout.n].nValue) || !MoneyRange(nValueIn))
- return error("ConnectInputs() : txin values out of range");
+ return DoS(100, error("ConnectInputs() : txin values out of range"));
// Mark outpoints as spent
txindex.vSpent[prevout.n] = posThisTx;
// Write back
- if (fBlock)
- {
- if (!txdb.UpdateTxIndex(prevout.hash, txindex))
- return error("ConnectInputs() : UpdateTxIndex failed");
- }
- else if (fMiner)
+ if (fBlock || fMiner)
{
mapTestPool[prevout.hash] = txindex;
}
}
if (nValueIn < GetValueOut())
- return error("ConnectInputs() : %s value in < value out", GetHash().ToString().substr(0,10).c_str());
+ return DoS(100, error("ConnectInputs() : %s value in < value out", GetHash().ToString().substr(0,10).c_str()));
// Tally transaction fees
- int64 nTxFee = nValueIn - GetValueOut();
+ int64_t nTxFee = nValueIn - GetValueOut();
if (nTxFee < 0)
- return error("ConnectInputs() : %s nTxFee < 0", GetHash().ToString().substr(0,10).c_str());
+ return DoS(100, error("ConnectInputs() : %s nTxFee < 0", GetHash().ToString().substr(0,10).c_str()));
if (nTxFee < nMinFee)
return false;
nFees += nTxFee;
if (!MoneyRange(nFees))
- return error("ConnectInputs() : nFees out of range");
+ return DoS(100, error("ConnectInputs() : nFees out of range"));
}
if (fBlock)
{
- // Add transaction to disk index
- if (!txdb.AddTxIndex(*this, posThisTx, pindexBlock->nHeight))
- return error("ConnectInputs() : AddTxPos failed");
+ // Add transaction to changes
+ mapTestPool[GetHash()] = CTxIndex(posThisTx, vout.size());
}
else if (fMiner)
{
// Take over previous transactions' spent pointers
CRITICAL_BLOCK(cs_mapTransactions)
{
- int64 nValueIn = 0;
+ int64_t nValueIn = 0;
for (int i = 0; i < vin.size(); i++)
{
// Get prev tx from single transactions in memory
return false;
// Verify signature
- if (!VerifySignature(txPrev, *this, i))
+ int nUnused = 0;
+ if (!VerifySignature(txPrev, *this, i, nUnused, false))
return error("ConnectInputs() : VerifySignature failed");
///// this is redundant with the mapNextTx stuff, not sure which I want to get rid of
//// issue here: it doesn't know the version
unsigned int nTxPos = pindex->nBlockPos + ::GetSerializeSize(CBlock(), SER_DISK) - 1 + GetSizeOfCompactSize(vtx.size());
- map<uint256, CTxIndex> mapUnused;
- int64 nFees = 0;
+ map<uint256, CTxIndex> mapQueuedChanges;
+ int64_t nFees = 0;
+ int nSigOps = 0;
BOOST_FOREACH(CTransaction& tx, vtx)
{
CDiskTxPos posThisTx(pindex->nFile, pindex->nBlockPos, nTxPos);
nTxPos += ::GetSerializeSize(tx, SER_DISK);
- if (!tx.ConnectInputs(txdb, mapUnused, posThisTx, pindex, nFees, true, false))
+ map<uint256, pair<CTxIndex, CTransaction> > mapInputs;
+ if (!tx.FetchInputs(txdb, mapQueuedChanges, true, false, mapInputs))
+ return false;
+ if (!tx.ConnectInputs(mapInputs, mapQueuedChanges, posThisTx, pindex, nFees, true, false, nSigOps))
return false;
+ if (nSigOps > MAX_BLOCK_SIGOPS)
+ return DoS(100, error("ConnectBlock() : too many sigops"));
+ }
+
+ // Write queued txindex changes
+ for (map<uint256, CTxIndex>::iterator mi = mapQueuedChanges.begin(); mi != mapQueuedChanges.end(); ++mi)
+ {
+ if (!txdb.UpdateTxIndex((*mi).first, (*mi).second))
+ return error("ConnectBlock() : UpdateTxIndex failed");
}
if (vtx[0].GetValueOut() > GetBlockValue(pindex->nHeight, nFees))
// Size limits
if (vtx.empty() || vtx.size() > MAX_BLOCK_SIZE || ::GetSerializeSize(*this, SER_NETWORK) > MAX_BLOCK_SIZE)
- return error("CheckBlock() : size limits failed");
+ return DoS(100, error("CheckBlock() : size limits failed"));
// Check proof of work matches claimed amount
if (!CheckProofOfWork(GetHash(), nBits))
- return error("CheckBlock() : proof of work failed");
+ return DoS(50, error("CheckBlock() : proof of work failed"));
// Check timestamp
if (GetBlockTime() > GetAdjustedTime() + 2 * 60 * 60)
// First transaction must be coinbase, the rest must not be
if (vtx.empty() || !vtx[0].IsCoinBase())
- return error("CheckBlock() : first tx is not coinbase");
+ return DoS(100, error("CheckBlock() : first tx is not coinbase"));
for (int i = 1; i < vtx.size(); i++)
if (vtx[i].IsCoinBase())
- return error("CheckBlock() : more than one coinbase");
+ return DoS(100, error("CheckBlock() : more than one coinbase"));
// Check transactions
BOOST_FOREACH(const CTransaction& tx, vtx)
if (!tx.CheckTransaction())
- return error("CheckBlock() : CheckTransaction failed");
+ return DoS(tx.nDoS, error("CheckBlock() : CheckTransaction failed"));
- // Check that it's not full of nonstandard transactions
- if (GetSigOpCount() > MAX_BLOCK_SIGOPS)
- return error("CheckBlock() : too many nonstandard transactions");
+ // This code should be removed when a compatibility-breaking block chain split has passed.
+ // Compatibility check for old clients that counted sigops differently:
+ int nSigOps = 0;
+ BOOST_FOREACH(const CTransaction& tx, vtx)
+ {
+ BOOST_FOREACH(const CTxIn& txin, tx.vin)
+ {
+ nSigOps += txin.scriptSig.GetSigOpCount();
+ }
+ BOOST_FOREACH(const CTxOut& txout, tx.vout)
+ {
+ nSigOps += txout.scriptPubKey.GetSigOpCount();
+ }
+ }
+ if (nSigOps > MAX_BLOCK_SIGOPS)
+ return DoS(100, error("CheckBlock() : out-of-bounds SigOpCount"));
// Check merkleroot
if (hashMerkleRoot != BuildMerkleTree())
- return error("CheckBlock() : hashMerkleRoot mismatch");
+ return DoS(100, error("CheckBlock() : hashMerkleRoot mismatch"));
return true;
}
// Get prev block index
map<uint256, CBlockIndex*>::iterator mi = mapBlockIndex.find(hashPrevBlock);
if (mi == mapBlockIndex.end())
- return error("AcceptBlock() : prev block not found");
+ return DoS(10, error("AcceptBlock() : prev block not found"));
CBlockIndex* pindexPrev = (*mi).second;
int nHeight = pindexPrev->nHeight+1;
// Check proof of work
if (nBits != GetNextWorkRequired(pindexPrev))
- return error("AcceptBlock() : incorrect proof of work");
+ return DoS(100, error("AcceptBlock() : incorrect proof of work"));
// Check timestamp against prev
if (GetBlockTime() <= pindexPrev->GetMedianTimePast())
// Check that all transactions are finalized
BOOST_FOREACH(const CTransaction& tx, vtx)
if (!tx.IsFinal(nHeight, GetBlockTime()))
- return error("AcceptBlock() : contains a non-final transaction");
+ return DoS(10, error("AcceptBlock() : contains a non-final transaction"));
// Check that the block chain matches the known block chain up to a checkpoint
- if (!fTestNet)
- if ((nHeight == 11111 && hash != uint256("0x0000000069e244f73d78e8fd29ba2fd2ed618bd6fa2ee92559f542fdb26e7c1d")) ||
- (nHeight == 33333 && hash != uint256("0x000000002dd5588a74784eaa7ab0507a18ad16a236e7b1ce69f00d7ddfb5d0a6")) ||
- (nHeight == 68555 && hash != uint256("0x00000000001e1b4903550a0b96e9a9405c8a95f387162e4944e8d9fbe501cd6a")) ||
- (nHeight == 70567 && hash != uint256("0x00000000006a49b14bcf27462068f1264c961f11fa2e0eddd2be0791e1d4124a")) ||
- (nHeight == 74000 && hash != uint256("0x0000000000573993a3c9e41ce34471c079dcf5f52a0e824a81e7f953b8661a20")) ||
- (nHeight == 105000 && hash != uint256("0x00000000000291ce28027faea320c8d2b054b2e0fe44a773f3eefb151d6bdc97")) ||
- (nHeight == 118000 && hash != uint256("0x000000000000774a7f8a7a12dc906ddb9e17e75d684f15e00f8767f9e8f36553")) ||
- (nHeight == 134444 && hash != uint256("0x00000000000005b12ffd4cd315cd34ffd4a594f430ac814c91184a0d42d2b0fe")))
- return error("AcceptBlock() : rejected by checkpoint lockin at %d", nHeight);
+ if (!Checkpoints::CheckBlock(nHeight, hash))
+ return DoS(100, error("AcceptBlock() : rejected by checkpoint lockin at %d", nHeight));
// Write block to history file
if (!CheckDiskSpace(::GetSerializeSize(*this, SER_DISK)))
if (hashBestChain == hash)
CRITICAL_BLOCK(cs_vNodes)
BOOST_FOREACH(CNode* pnode, vNodes)
- if (nBestHeight > (pnode->nStartingHeight != -1 ? pnode->nStartingHeight - 2000 : 134444))
+ if (nBestHeight > (pnode->nStartingHeight != -1 ? pnode->nStartingHeight - 2000 : 140700))
pnode->PushInventory(CInv(MSG_BLOCK, hash));
return true;
}
-bool static ProcessBlock(CNode* pfrom, CBlock* pblock)
+bool ProcessBlock(CNode* pfrom, CBlock* pblock)
{
// Check for duplicate
uint256 hash = pblock->GetHash();
if (!pblock->CheckBlock())
return error("ProcessBlock() : CheckBlock FAILED");
+ CBlockIndex* pcheckpoint = Checkpoints::GetLastCheckpoint(mapBlockIndex);
+ if (pcheckpoint && pblock->hashPrevBlock != hashBestChain)
+ {
+ // Extra checks to prevent "fill up memory by spamming with bogus blocks"
+ int64_t deltaTime = pblock->GetBlockTime() - pcheckpoint->nTime;
+ if (deltaTime < 0)
+ {
+ pfrom->Misbehaving(100);
+ return error("ProcessBlock() : block with timestamp before last checkpoint");
+ }
+ CBigNum bnNewBlock;
+ bnNewBlock.SetCompact(pblock->nBits);
+ CBigNum bnRequired;
+ bnRequired.SetCompact(ComputeMinWork(pcheckpoint->nBits, deltaTime));
+ if (bnNewBlock > bnRequired)
+ {
+ pfrom->Misbehaving(100);
+ return error("ProcessBlock() : block with too little proof-of-work");
+ }
+ }
+
+
// If don't already have its previous block, shunt it off to holding area until we get it
if (!mapBlockIndex.count(pblock->hashPrevBlock))
{
-template<typename Stream>
-bool static ScanMessageStart(Stream& s)
+bool CheckDiskSpace(uint64_t nAdditionalBytes)
{
- // Scan ahead to the next pchMessageStart, which should normally be immediately
- // at the file pointer. Leaves file pointer at end of pchMessageStart.
- s.clear(0);
- short prevmask = s.exceptions(0);
- const char* p = BEGIN(pchMessageStart);
- try
- {
- loop
- {
- char c;
- s.read(&c, 1);
- if (s.fail())
- {
- s.clear(0);
- s.exceptions(prevmask);
- return false;
- }
- if (*p != c)
- p = BEGIN(pchMessageStart);
- if (*p == c)
- {
- if (++p == END(pchMessageStart))
- {
- s.clear(0);
- s.exceptions(prevmask);
- return true;
- }
- }
- }
- }
- catch (...)
- {
- s.clear(0);
- s.exceptions(prevmask);
- return false;
- }
-}
-
-bool CheckDiskSpace(uint64 nAdditionalBytes)
-{
- uint64 nFreeBytesAvailable = filesystem::space(GetDataDir()).available;
+ uint64_t nFreeBytesAvailable = filesystem::space(GetDataDir()).available;
// Check for 15MB because database could create another 10MB log file at any time
- if (nFreeBytesAvailable < (uint64)15000000 + nAdditionalBytes)
+ if (nFreeBytesAvailable < (uint64_t)15000000 + nAdditionalBytes)
{
fShutdown = true;
string strMessage = _("Warning: Disk space is low ");
{
static map<unsigned int, vector<unsigned char> > mapReuseKey;
RandAddSeedPerfmon();
- if (fDebug)
+ if (fDebug) {
printf("%s ", DateTimeStrFormat("%x %H:%M:%S", GetTime()).c_str());
- printf("received: %s (%d bytes)\n", strCommand.c_str(), vRecv.size());
+ printf("received: %s (%d bytes)\n", strCommand.c_str(), vRecv.size());
+ }
if (mapArgs.count("-dropmessagestest") && GetRand(atoi(mapArgs["-dropmessagestest"])) == 0)
{
printf("dropmessagestest DROPPING RECV MESSAGE\n");
{
// Each connection can only send one version message
if (pfrom->nVersion != 0)
+ {
+ pfrom->Misbehaving(1);
return false;
+ }
- int64 nTime;
+ int64_t nTime;
CAddress addrMe;
CAddress addrFrom;
- uint64 nNonce = 1;
+ uint64_t nNonce = 1;
vRecv >> pfrom->nVersion >> pfrom->nServices >> nTime >> addrMe;
if (pfrom->nVersion == 10300)
pfrom->nVersion = 300;
// Change version
if (pfrom->nVersion >= 209)
pfrom->PushMessage("verack");
- pfrom->vSend.SetVersion(min(pfrom->nVersion, VERSION));
+ pfrom->vSend.SetVersion(min(pfrom->nVersion, PROTOCOL_VERSION));
if (pfrom->nVersion < 209)
- pfrom->vRecv.SetVersion(min(pfrom->nVersion, VERSION));
+ pfrom->vRecv.SetVersion(min(pfrom->nVersion, PROTOCOL_VERSION));
if (!pfrom->fInbound)
{
}
// Ask the first connected node for block updates
- static int nAskedForBlocks;
- if (!pfrom->fClient && (nAskedForBlocks < 1 || vNodes.size() <= 1))
+ static int nAskedForBlocks = 0;
+ if (!pfrom->fClient &&
+ (pfrom->nVersion < 32000 || pfrom->nVersion >= 32400) &&
+ (nAskedForBlocks < 1 || vNodes.size() <= 1))
{
nAskedForBlocks++;
pfrom->PushGetBlocks(pindexBest, uint256(0));
pfrom->fSuccessfullyConnected = true;
printf("version message: version %d, blocks=%d\n", pfrom->nVersion, pfrom->nStartingHeight);
+
+ cPeerBlockCounts.input(pfrom->nStartingHeight);
}
else if (pfrom->nVersion == 0)
{
// Must have a version message before anything else
+ pfrom->Misbehaving(1);
return false;
}
else if (strCommand == "verack")
{
- pfrom->vRecv.SetVersion(min(pfrom->nVersion, VERSION));
+ pfrom->vRecv.SetVersion(min(pfrom->nVersion, PROTOCOL_VERSION));
}
if (pfrom->nVersion < 31402 && mapAddresses.size() > 1000)
return true;
if (vAddr.size() > 1000)
+ {
+ pfrom->Misbehaving(20);
return error("message addr size() = %d", vAddr.size());
+ }
// Store the new addresses
CAddrDB addrDB;
addrDB.TxnBegin();
- int64 nNow = GetAdjustedTime();
- int64 nSince = nNow - 10 * 60;
+ int64_t nNow = GetAdjustedTime();
+ int64_t nSince = nNow - 10 * 60;
BOOST_FOREACH(CAddress& addr, vAddr)
{
if (fShutdown)
static uint256 hashSalt;
if (hashSalt == 0)
RAND_bytes((unsigned char*)&hashSalt, sizeof(hashSalt));
- uint256 hashRand = hashSalt ^ (((int64)addr.ip)<<32) ^ ((GetTime()+addr.ip)/(24*60*60));
+ uint256 hashRand = hashSalt ^ (((int64_t)addr.ip)<<32) ^ ((GetTime()+addr.ip)/(24*60*60));
hashRand = Hash(BEGIN(hashRand), END(hashRand));
multimap<uint256, CNode*> mapMix;
BOOST_FOREACH(CNode* pnode, vNodes)
vector<CInv> vInv;
vRecv >> vInv;
if (vInv.size() > 50000)
+ {
+ pfrom->Misbehaving(20);
return error("message inv size() = %d", vInv.size());
+ }
CTxDB txdb("r");
BOOST_FOREACH(const CInv& inv, vInv)
pfrom->AddInventoryKnown(inv);
bool fAlreadyHave = AlreadyHave(txdb, inv);
- printf(" got inventory: %s %s\n", inv.ToString().c_str(), fAlreadyHave ? "have" : "new");
+ if (fDebug)
+ printf(" got inventory: %s %s\n", inv.ToString().c_str(), fAlreadyHave ? "have" : "new");
if (!fAlreadyHave)
pfrom->AskFor(inv);
vector<CInv> vInv;
vRecv >> vInv;
if (vInv.size() > 50000)
+ {
+ pfrom->Misbehaving(20);
return error("message getdata size() = %d", vInv.size());
+ }
BOOST_FOREACH(const CInv& inv, vInv)
{
printf("storing orphan tx %s\n", inv.hash.ToString().substr(0,10).c_str());
AddOrphanTx(vMsg);
}
+ if (tx.nDoS) pfrom->Misbehaving(tx.nDoS);
}
if (ProcessBlock(pfrom, &block))
mapAlreadyAskedFor.erase(inv);
+ if (block.nDoS) pfrom->Misbehaving(block.nDoS);
}
{
// Nodes rebroadcast an addr every 24 hours
pfrom->vAddrToSend.clear();
- int64 nSince = GetAdjustedTime() - 3 * 60 * 60; // in the last 3 hours
+ int64_t nSince = GetAdjustedTime() - 3 * 60 * 60; // in the last 3 hours
CRITICAL_BLOCK(cs_mapAddresses)
{
unsigned int nCount = 0;
// Keep giving the same key to the same ip until they use it
if (!mapReuseKey.count(pfrom->addr.ip))
- mapReuseKey[pfrom->addr.ip] = pwalletMain->GetOrReuseKeyFromPool();
+ pwalletMain->GetKeyFromPool(mapReuseKey[pfrom->addr.ip], true);
// Send back approval of order and pubkey to use
CScript scriptPubKey;
ResendWalletTransactions();
// Address refresh broadcast
- static int64 nLastRebroadcast;
+ static int64_t nLastRebroadcast;
if (GetTime() - nLastRebroadcast > 24 * 60 * 60)
{
nLastRebroadcast = GetTime();
}
// Clear out old addresses periodically so it's not too much work at once
- static int64 nLastClear;
+ static int64_t nLastClear;
if (nLastClear == 0)
nLastClear = GetTime();
if (GetTime() - nLastClear > 10 * 60 && vNodes.size() >= 3)
CRITICAL_BLOCK(cs_mapAddresses)
{
CAddrDB addrdb;
- int64 nSince = GetAdjustedTime() - 14 * 24 * 60 * 60;
+ int64_t nSince = GetAdjustedTime() - 14 * 24 * 60 * 60;
for (map<vector<unsigned char>, CAddress>::iterator mi = mapAddresses.begin();
mi != mapAddresses.end();)
{
// Message: getdata
//
vector<CInv> vGetData;
- int64 nNow = GetTime() * 1000000;
+ int64_t nNow = GetTime() * 1000000;
CTxDB txdb("r");
while (!pto->mapAskFor.empty() && (*pto->mapAskFor.begin()).first <= nNow)
{
return blocks;
}
-using CryptoPP::ByteReverse;
-
static const unsigned int pSHA256InitState[8] =
{0x6a09e667, 0xbb67ae85, 0x3c6ef372, 0xa54ff53a, 0x510e527f, 0x9b05688c, 0x1f83d9ab, 0x5be0cd19};
-inline void SHA256Transform(void* pstate, void* pinput, const void* pinit)
+void SHA256Transform(void* pstate, void* pinput, const void* pinit)
{
- memcpy(pstate, pinit, 32);
- CryptoPP::SHA256::Transform((CryptoPP::word32*)pstate, (CryptoPP::word32*)pinput);
+ SHA256_CTX ctx;
+ unsigned char data[64];
+
+ SHA256_Init(&ctx);
+
+ for (int i = 0; i < 16; i++)
+ ((uint32_t*)data)[i] = ByteReverse(((uint32_t*)pinput)[i]);
+
+ for (int i = 0; i < 8; i++)
+ ctx.h[i] = ((uint32_t*)pinit)[i];
+
+ SHA256_Update(&ctx, data, sizeof(data));
+ for (int i = 0; i < 8; i++)
+ ((uint32_t*)pstate)[i] = ctx.h[i];
}
//
}
}
-
+// Some explaining would be appreciated
class COrphan
{
public:
pblock->vtx.push_back(txNew);
// Collect memory pool transactions into the block
- int64 nFees = 0;
+ int64_t nFees = 0;
CRITICAL_BLOCK(cs_main)
CRITICAL_BLOCK(cs_mapTransactions)
{
porphan->setDependsOn.insert(txin.prevout.hash);
continue;
}
- int64 nValueIn = txPrev.vout[txin.prevout.n].nValue;
+ int64_t nValueIn = txPrev.vout[txin.prevout.n].nValue;
// Read block header
int nConf = txindex.GetDepthInMainChain();
// Collect transactions into block
map<uint256, CTxIndex> mapTestPool;
- uint64 nBlockSize = 1000;
+ uint64_t nBlockSize = 1000;
int nBlockSigOps = 100;
while (!mapPriority.empty())
{
unsigned int nTxSize = ::GetSerializeSize(tx, SER_NETWORK);
if (nBlockSize + nTxSize >= MAX_BLOCK_SIZE_GEN)
continue;
- int nTxSigOps = tx.GetSigOpCount();
- if (nBlockSigOps + nTxSigOps >= MAX_BLOCK_SIGOPS)
- continue;
// Transaction fee required depends on block size
bool fAllowFree = (nBlockSize + nTxSize < 4000 || CTransaction::AllowFree(dPriority));
- int64 nMinFee = tx.GetMinFee(nBlockSize, fAllowFree, true);
+ int64_t nMinFee = tx.GetMinFee(nBlockSize, fAllowFree, GMF_BLOCK);
// Connecting shouldn't fail due to dependency on other memory pool transactions
// because we're already processing them in order of dependency
map<uint256, CTxIndex> mapTestPoolTmp(mapTestPool);
- if (!tx.ConnectInputs(txdb, mapTestPoolTmp, CDiskTxPos(1,1,1), pindexPrev, nFees, false, true, nMinFee))
+ map<uint256, pair<CTxIndex, CTransaction> > mapInputs;
+ if (!tx.FetchInputs(txdb, mapTestPoolTmp, false, true, mapInputs))
+ continue;
+ int nTxSigOps = 0;
+ if (!tx.ConnectInputs(mapInputs, mapTestPoolTmp, CDiskTxPos(1,1,1), pindexPrev, nFees, false, true, nTxSigOps, nMinFee))
+ continue;
+ if (nBlockSigOps + nTxSigOps >= MAX_BLOCK_SIGOPS)
continue;
swap(mapTestPool, mapTestPoolTmp);
}
-void IncrementExtraNonce(CBlock* pblock, CBlockIndex* pindexPrev, unsigned int& nExtraNonce, int64& nPrevTime)
+void IncrementExtraNonce(CBlock* pblock, CBlockIndex* pindexPrev, unsigned int& nExtraNonce)
{
// Update nExtraNonce
- int64 nNow = max(pindexPrev->GetMedianTimePast()+1, GetAdjustedTime());
- if (++nExtraNonce >= 0x7f && nNow > nPrevTime+1)
+ static uint256 hashPrevBlock;
+ if (hashPrevBlock != pblock->hashPrevBlock)
{
- nExtraNonce = 1;
- nPrevTime = nNow;
+ nExtraNonce = 0;
+ hashPrevBlock = pblock->hashPrevBlock;
}
- pblock->vtx[0].vin[0].scriptSig = CScript() << pblock->nBits << CBigNum(nExtraNonce);
+ ++nExtraNonce;
+ pblock->vtx[0].vin[0].scriptSig = CScript() << pblock->nTime << CBigNum(nExtraNonce);
+
+ // Put "OP_EVAL" in the coinbase so everybody can tell when
+ // a majority of miners support it
+ const char* pOpEvalName = GetOpName(OP_EVAL);
+ pblock->vtx[0].vin[0].scriptSig += CScript() << std::vector<unsigned char>(pOpEvalName, pOpEvalName+strlen(pOpEvalName));
+ assert(pblock->vtx[0].vin[0].scriptSig.size() <= 100);
+
pblock->hashMerkleRoot = pblock->BuildMerkleTree();
}
reservekey.KeepKey();
// Track how many getdata requests this block gets
- CRITICAL_BLOCK(wallet.cs_mapRequestCount)
+ CRITICAL_BLOCK(wallet.cs_wallet)
wallet.mapRequestCount[pblock->GetHash()] = 0;
// Process this block the same as if we had received it from another node
return error("BitcoinMiner : ProcessBlock, block not accepted");
}
- Sleep(2000);
return true;
}
// Each thread has its own key and counter
CReserveKey reservekey(pwallet);
unsigned int nExtraNonce = 0;
- int64 nPrevTime = 0;
while (fGenerateBitcoins)
{
auto_ptr<CBlock> pblock(CreateNewBlock(reservekey));
if (!pblock.get())
return;
- IncrementExtraNonce(pblock.get(), pindexPrev, nExtraNonce, nPrevTime);
+ IncrementExtraNonce(pblock.get(), pindexPrev, nExtraNonce);
printf("Running BitcoinMiner with %d transactions in block\n", pblock->vtx.size());
//
// Search
//
- int64 nStart = GetTime();
+ int64_t nStart = GetTime();
uint256 hashTarget = CBigNum().SetCompact(pblock->nBits).getuint256();
uint256 hashbuf[2];
uint256& hash = *alignup<16>(hashbuf);
}
// Meter hashes/sec
- static int64 nHashCounter;
+ static int64_t nHashCounter;
if (nHPSTimerStart == 0)
{
nHPSTimerStart = GetTimeMillis();
nHashCounter = 0;
string strStatus = strprintf(" %.0f khash/s", dHashesPerSec/1000.0);
UIThreadCall(boost::bind(CalledSetStatusBar, strStatus, 0));
- static int64 nLogTime;
+ static int64_t nLogTime;
if (GetTime() - nLogTime > 30 * 60)
{
nLogTime = GetTime();
git://git.novaco.in / novacoin.git / blobdiff