map<COutPoint, CInPoint> mapNextTx;
map<uint256, CBlockIndex*> mapBlockIndex;
-const uint256 hashGenesisBlock("0x000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f");
+uint256 hashGenesisBlock("0x000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f");
+CBigNum bnProofOfWorkLimit(~uint256(0) >> 32);
CBlockIndex* pindexGenesisBlock = NULL;
int nBestHeight = -1;
CBigNum bnBestChainWork = 0;
int nLimitProcessors = 1;
int fMinimizeToTray = true;
int fMinimizeOnClose = true;
+#ifdef USE_UPNP
+#if USE_UPNP
+int fUseUPnP = true;
+#else
+int fUseUPnP = false;
+#endif
+#endif
+
CKey key;
key.MakeNewKey();
if (!AddKey(key))
- throw runtime_error("GenerateNewKey() : AddKey failed\n");
+ throw runtime_error("GenerateNewKey() : AddKey failed");
return key.GetPubKey();
}
wtx.fFromMe = wtxIn.fFromMe;
fUpdated = true;
}
- if (wtxIn.fSpent && wtxIn.fSpent != wtx.fSpent)
- {
- wtx.fSpent = wtxIn.fSpent;
- fUpdated = true;
- }
+ fUpdated |= wtx.UpdateSpent(wtxIn.vfSpent);
}
//// debug print
- printf("AddToWallet %s %s%s\n", wtxIn.GetHash().ToString().substr(0,6).c_str(), (fInsertedNew ? "new" : ""), (fUpdated ? "update" : ""));
+ printf("AddToWallet %s %s%s\n", wtxIn.GetHash().ToString().substr(0,10).c_str(), (fInsertedNew ? "new" : ""), (fUpdated ? "update" : ""));
// Write to disk
if (fInsertedNew || fUpdated)
if (txout.scriptPubKey == scriptDefaultKey)
{
CWalletDB walletdb;
- walletdb.WriteDefaultKey(GenerateNewKey());
+ vchDefaultKey = GetKeyFromKeyPool();
+ walletdb.WriteDefaultKey(vchDefaultKey);
walletdb.WriteName(PubKeyToAddress(vchDefaultKey), "");
}
}
return true;
}
-bool AddToWalletIfMine(const CTransaction& tx, const CBlock* pblock)
+bool AddToWalletIfInvolvingMe(const CTransaction& tx, const CBlock* pblock, bool fUpdate = false)
{
- if (tx.IsMine() || mapWallet.count(tx.GetHash()))
+ uint256 hash = tx.GetHash();
+ bool fExisted = mapWallet.count(hash);
+ if (fExisted && !fUpdate) return false;
+ if (fExisted || tx.IsMine() || tx.IsFromMe())
{
CWalletTx wtx(tx);
// Get merkle branch if transaction was found in a block
wtx.SetMerkleBranch(pblock);
return AddToWallet(wtx);
}
- return true;
+ return false;
}
bool EraseFromWallet(uint256 hash)
if (mi != mapWallet.end())
{
CWalletTx& wtx = (*mi).second;
- if (!wtx.fSpent && wtx.vout[prevout.n].IsMine())
+ if (!wtx.IsSpent(prevout.n) && wtx.vout[prevout.n].IsMine())
{
printf("WalletUpdateSpent found spent coin %sbc %s\n", FormatMoney(wtx.GetCredit()).c_str(), wtx.GetHash().ToString().c_str());
- wtx.fSpent = true;
+ wtx.MarkSpent(prevout.n);
wtx.WriteToDisk();
vWalletUpdated.push_back(prevout.hash);
}
//////////////////////////////////////////////////////////////////////////////
//
-// CTransaction
+// CTransaction and CTxIndex
//
+bool CTransaction::ReadFromDisk(CTxDB& txdb, COutPoint prevout, CTxIndex& txindexRet)
+{
+ SetNull();
+ if (!txdb.ReadTxIndex(prevout.hash, txindexRet))
+ return false;
+ if (!ReadFromDisk(txindexRet.pos))
+ return false;
+ if (prevout.n >= vout.size())
+ {
+ SetNull();
+ return false;
+ }
+ return true;
+}
+
+bool CTransaction::ReadFromDisk(CTxDB& txdb, COutPoint prevout)
+{
+ CTxIndex txindex;
+ return ReadFromDisk(txdb, prevout, txindex);
+}
+
+bool CTransaction::ReadFromDisk(COutPoint prevout)
+{
+ CTxDB txdb("r");
+ CTxIndex txindex;
+ return ReadFromDisk(txdb, prevout, txindex);
+}
+
bool CTxIn::IsMine() const
{
CRITICAL_BLOCK(cs_mapWallet)
return nRequests;
}
+void CWalletTx::GetAmounts(int64& nGeneratedImmature, int64& nGeneratedMature, list<pair<string, int64> >& listReceived,
+ list<pair<string, int64> >& listSent, int64& nFee, string& strSentAccount) const
+{
+ nGeneratedImmature = nGeneratedMature = nFee = 0;
+ listReceived.clear();
+ listSent.clear();
+ strSentAccount = strFromAccount;
+
+ if (IsCoinBase())
+ {
+ if (GetBlocksToMaturity() > 0)
+ nGeneratedImmature = CTransaction::GetCredit();
+ else
+ nGeneratedMature = GetCredit();
+ return;
+ }
+
+ // Compute fee:
+ int64 nDebit = GetDebit();
+ if (nDebit > 0) // debit>0 means we signed/sent this transaction
+ {
+ int64 nValueOut = GetValueOut();
+ nFee = nDebit - nValueOut;
+ }
+
+ // Sent/received. Standard client will never generate a send-to-multiple-recipients,
+ // but non-standard clients might (so return a list of address/amount pairs)
+ foreach(const CTxOut& txout, vout)
+ {
+ string address;
+ uint160 hash160;
+ vector<unsigned char> vchPubKey;
+ if (ExtractHash160(txout.scriptPubKey, hash160))
+ address = Hash160ToAddress(hash160);
+ else if (ExtractPubKey(txout.scriptPubKey, false, vchPubKey))
+ address = PubKeyToAddress(vchPubKey);
+ else
+ {
+ printf("CWalletTx::GetAmounts: Unknown transaction type found, txid %s\n",
+ this->GetHash().ToString().c_str());
+ address = " unknown ";
+ }
+
+ // Don't report 'change' txouts
+ if (nDebit > 0 && txout.IsChange())
+ continue;
+
+ if (nDebit > 0)
+ listSent.push_back(make_pair(address, txout.nValue));
+
+ if (txout.IsMine())
+ listReceived.push_back(make_pair(address, txout.nValue));
+ }
+
+}
+
+void CWalletTx::GetAccountAmounts(const string& strAccount, int64& nGenerated, int64& nReceived,
+ int64& nSent, int64& nFee) const
+{
+ nGenerated = nReceived = nSent = nFee = 0;
+
+ int64 allGeneratedImmature, allGeneratedMature, allFee;
+ allGeneratedImmature = allGeneratedMature = allFee = 0;
+ string strSentAccount;
+ list<pair<string, int64> > listReceived;
+ list<pair<string, int64> > listSent;
+ GetAmounts(allGeneratedImmature, allGeneratedMature, listReceived, listSent, allFee, strSentAccount);
+
+ if (strAccount == "")
+ nGenerated = allGeneratedMature;
+ if (strAccount == strSentAccount)
+ {
+ foreach(const PAIRTYPE(string,int64)& s, listSent)
+ nSent += s.second;
+ nFee = allFee;
+ }
+ CRITICAL_BLOCK(cs_mapAddressBook)
+ {
+ foreach(const PAIRTYPE(string,int64)& r, listReceived)
+ {
+ if (mapAddressBook.count(r.first))
+ {
+ if (mapAddressBook[r.first] == strAccount)
+ {
+ nReceived += r.second;
+ }
+ }
+ else if (strAccount.empty())
+ {
+ nReceived += r.second;
+ }
+ }
+ }
+}
-bool CTransaction::AcceptTransaction(CTxDB& txdb, bool fCheckInputs, bool* pfMissingInputs)
+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");
+
+ // Size limits
+ if (::GetSerializeSize(*this, SER_NETWORK) > MAX_BLOCK_SIZE)
+ return error("CTransaction::CheckTransaction() : size limits failed");
+
+ // Check for negative or overflow output values
+ int64 nValueOut = 0;
+ foreach(const CTxOut& txout, vout)
+ {
+ if (txout.nValue < 0)
+ return error("CTransaction::CheckTransaction() : txout.nValue negative");
+ if (txout.nValue > MAX_MONEY)
+ return error("CTransaction::CheckTransaction() : txout.nValue too high");
+ nValueOut += txout.nValue;
+ if (!MoneyRange(nValueOut))
+ return error("CTransaction::CheckTransaction() : txout total out of range");
+ }
+
+ if (IsCoinBase())
+ {
+ if (vin[0].scriptSig.size() < 2 || vin[0].scriptSig.size() > 100)
+ return error("CTransaction::CheckTransaction() : coinbase script size");
+ }
+ else
+ {
+ foreach(const CTxIn& txin, vin)
+ if (txin.prevout.IsNull())
+ return error("CTransaction::CheckTransaction() : prevout is null");
+ }
+
+ return true;
+}
+
+bool CTransaction::AcceptToMemoryPool(CTxDB& txdb, bool fCheckInputs, bool* pfMissingInputs)
{
if (pfMissingInputs)
*pfMissingInputs = false;
+ if (!CheckTransaction())
+ return error("AcceptToMemoryPool() : CheckTransaction failed");
+
// Coinbase is only valid in a block, not as a loose transaction
if (IsCoinBase())
- return error("AcceptTransaction() : coinbase as individual tx");
-
- if (!CheckTransaction())
- return error("AcceptTransaction() : CheckTransaction failed");
+ return error("AcceptToMemoryPool() : coinbase as individual tx");
// To help v0.1.5 clients who would see it as a negative number
- if (nLockTime > INT_MAX)
- return error("AcceptTransaction() : not accepting nLockTime beyond 2038");
+ if ((int64)nLockTime > 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
+ if (!IsStandard())
+ return error("AcceptToMemoryPool() : nonstandard transaction type");
// Do we already have it?
uint256 hash = GetHash();
COutPoint outpoint = vin[i].prevout;
if (mapNextTx.count(outpoint))
{
+ // Disable replacement feature for now
+ return false;
+
// Allow replacing with a newer version of the same transaction
if (i != 0)
return false;
ptxOld = mapNextTx[outpoint].ptx;
+ if (ptxOld->IsFinal())
+ return false;
if (!IsNewerThan(*ptxOld))
return false;
for (int i = 0; i < vin.size(); i++)
}
}
- // Check against previous transactions
- map<uint256, CTxIndex> mapUnused;
- int64 nFees = 0;
- if (fCheckInputs && !ConnectInputs(txdb, mapUnused, CDiskTxPos(1,1,1), pindexBest, nFees, false, false))
+ if (fCheckInputs)
{
- if (pfMissingInputs)
- *pfMissingInputs = true;
- return error("AcceptTransaction() : ConnectInputs failed %s", hash.ToString().substr(0,6).c_str());
+ // Check against previous transactions
+ map<uint256, CTxIndex> mapUnused;
+ int64 nFees = 0;
+ if (!ConnectInputs(txdb, mapUnused, CDiskTxPos(1,1,1), pindexBest, nFees, false, false))
+ {
+ if (pfMissingInputs)
+ *pfMissingInputs = true;
+ return error("AcceptToMemoryPool() : ConnectInputs failed %s", hash.ToString().substr(0,10).c_str());
+ }
+
+ // Don't accept it if it can't get into a block
+ if (nFees < GetMinFee(1000))
+ return error("AcceptToMemoryPool() : not enough fees");
+
+ // Continuously rate-limit free transactions
+ // This mitigates 'penny-flooding' -- sending thousands of free transactions just to
+ // be annoying or make other's transactions take longer to confirm.
+ if (nFees < CENT)
+ {
+ static CCriticalSection cs;
+ static double dFreeCount;
+ static int64 nLastTime;
+ int64 nNow = GetTime();
+
+ CRITICAL_BLOCK(cs)
+ {
+ // Use an exponentially decaying ~10-minute window:
+ dFreeCount *= pow(1.0 - 1.0/600.0, (double)(nNow - nLastTime));
+ nLastTime = nNow;
+ // -limitfreerelay unit is thousand-bytes-per-minute
+ // At default rate it would take over a month to fill 1GB
+ if (dFreeCount > GetArg("-limitfreerelay", 15)*10*1000 && !IsFromMe())
+ return error("AcceptToMemoryPool() : free transaction rejected by rate limiter");
+ if (fDebug)
+ printf("Rate limit dFreeCount: %g => %g\n", dFreeCount, dFreeCount+nSize);
+ dFreeCount += nSize;
+ }
+ }
}
// Store transaction in memory
{
if (ptxOld)
{
- printf("mapTransaction.erase(%s) replacing with new version\n", ptxOld->GetHash().ToString().c_str());
- mapTransactions.erase(ptxOld->GetHash());
+ printf("AcceptToMemoryPool() : replacing tx %s with new version\n", ptxOld->GetHash().ToString().c_str());
+ ptxOld->RemoveFromMemoryPool();
}
- AddToMemoryPool();
+ AddToMemoryPoolUnchecked();
}
///// are we sure this is ok when loading transactions or restoring block txes
if (ptxOld)
EraseFromWallet(ptxOld->GetHash());
- printf("AcceptTransaction(): accepted %s\n", hash.ToString().substr(0,6).c_str());
+ printf("AcceptToMemoryPool(): accepted %s\n", hash.ToString().substr(0,10).c_str());
return true;
}
-bool CTransaction::AddToMemoryPool()
+bool CTransaction::AddToMemoryPoolUnchecked()
{
// Add to memory pool without checking anything. Don't call this directly,
- // call AcceptTransaction to properly check the transaction first.
+ // call AcceptToMemoryPool to properly check the transaction first.
CRITICAL_BLOCK(cs_mapTransactions)
{
uint256 hash = GetHash();
}
-bool CMerkleTx::AcceptTransaction(CTxDB& txdb, bool fCheckInputs)
+bool CMerkleTx::AcceptToMemoryPool(CTxDB& txdb, bool fCheckInputs)
{
if (fClient)
{
if (!IsInMainChain() && !ClientConnectInputs())
return false;
- return CTransaction::AcceptTransaction(txdb, false);
+ return CTransaction::AcceptToMemoryPool(txdb, false);
}
else
{
- return CTransaction::AcceptTransaction(txdb, fCheckInputs);
+ return CTransaction::AcceptToMemoryPool(txdb, fCheckInputs);
}
}
{
CRITICAL_BLOCK(cs_mapTransactions)
{
+ // Add previous supporting transactions first
foreach(CMerkleTx& tx, vtxPrev)
{
if (!tx.IsCoinBase())
{
uint256 hash = tx.GetHash();
if (!mapTransactions.count(hash) && !txdb.ContainsTx(hash))
- tx.AcceptTransaction(txdb, fCheckInputs);
+ tx.AcceptToMemoryPool(txdb, fCheckInputs);
}
}
- if (!IsCoinBase())
- return AcceptTransaction(txdb, fCheckInputs);
+ return AcceptToMemoryPool(txdb, fCheckInputs);
}
- return true;
+ return false;
+}
+
+int ScanForWalletTransactions(CBlockIndex* pindexStart)
+{
+ int ret = 0;
+
+ CBlockIndex* pindex = pindexStart;
+ CRITICAL_BLOCK(cs_mapWallet)
+ {
+ while (pindex)
+ {
+ CBlock block;
+ block.ReadFromDisk(pindex, true);
+ foreach(CTransaction& tx, block.vtx)
+ {
+ if (AddToWalletIfInvolvingMe(tx, &block))
+ ret++;
+ }
+ pindex = pindex->pnext;
+ }
+ }
+ return ret;
}
void ReacceptWalletTransactions()
{
CTxDB txdb("r");
- CRITICAL_BLOCK(cs_mapWallet)
+ bool fRepeat = true;
+ while (fRepeat) CRITICAL_BLOCK(cs_mapWallet)
{
+ fRepeat = false;
+ vector<CDiskTxPos> vMissingTx;
foreach(PAIRTYPE(const uint256, CWalletTx)& item, mapWallet)
{
CWalletTx& wtx = item.second;
- if (wtx.fSpent && wtx.IsCoinBase())
+ if (wtx.IsCoinBase() && wtx.IsSpent(0))
continue;
CTxIndex txindex;
+ bool fUpdated = false;
if (txdb.ReadTxIndex(wtx.GetHash(), txindex))
{
// Update fSpent if a tx got spent somewhere else by a copy of wallet.dat
- if (!wtx.fSpent)
+ if (txindex.vSpent.size() != wtx.vout.size())
{
- if (txindex.vSpent.size() != wtx.vout.size())
- {
- printf("ERROR: ReacceptWalletTransactions() : txindex.vSpent.size() %d != wtx.vout.size() %d\n", txindex.vSpent.size(), wtx.vout.size());
+ printf("ERROR: ReacceptWalletTransactions() : txindex.vSpent.size() %d != wtx.vout.size() %d\n", txindex.vSpent.size(), wtx.vout.size());
+ continue;
+ }
+ for (int i = 0; i < txindex.vSpent.size(); i++)
+ {
+ if (wtx.IsSpent(i))
continue;
- }
- for (int i = 0; i < txindex.vSpent.size(); i++)
+ if (!txindex.vSpent[i].IsNull() && wtx.vout[i].IsMine())
{
- if (!txindex.vSpent[i].IsNull() && wtx.vout[i].IsMine())
- {
- printf("ReacceptWalletTransactions found spent coin %sbc %s\n", FormatMoney(wtx.GetCredit()).c_str(), wtx.GetHash().ToString().c_str());
- wtx.fSpent = true;
- wtx.WriteToDisk();
- break;
- }
+ wtx.MarkSpent(i);
+ fUpdated = true;
+ vMissingTx.push_back(txindex.vSpent[i]);
}
}
+ if (fUpdated)
+ {
+ printf("ReacceptWalletTransactions found spent coin %sbc %s\n", FormatMoney(wtx.GetCredit()).c_str(), wtx.GetHash().ToString().c_str());
+ wtx.MarkDirty();
+ wtx.WriteToDisk();
+ }
}
else
{
wtx.AcceptWalletTransaction(txdb, false);
}
}
+ if (!vMissingTx.empty())
+ {
+ // TODO: optimize this to scan just part of the block chain?
+ if (ScanForWalletTransactions(pindexGenesisBlock))
+ fRepeat = true; // Found missing transactions: re-do Reaccept.
+ }
}
}
uint256 hash = GetHash();
if (!txdb.ContainsTx(hash))
{
- printf("Relaying wtx %s\n", hash.ToString().substr(0,6).c_str());
+ printf("Relaying wtx %s\n", hash.ToString().substr(0,10).c_str());
RelayMessage(CInv(MSG_TX, hash), (CTransaction)*this);
}
}
if (fFirst)
return;
+ // Only do it if there's been a new block since last time
+ static int64 nLastTime;
+ if (nTimeBestReceived < nLastTime)
+ return;
+ nLastTime = GetTime();
+
// Rebroadcast any of our txes that aren't in a block yet
printf("ResendWalletTransactions()\n");
CTxDB txdb("r");
}
}
+int CTxIndex::GetDepthInMainChain() const
+{
+ // Read block header
+ CBlock block;
+ if (!block.ReadFromDisk(pos.nFile, pos.nBlockPos, false))
+ return 0;
+ // Find the block in the index
+ map<uint256, CBlockIndex*>::iterator mi = mapBlockIndex.find(block.GetHash());
+ if (mi == mapBlockIndex.end())
+ return 0;
+ CBlockIndex* pindex = (*mi).second;
+ if (!pindex || !pindex->IsInMainChain())
+ return 0;
+ return 1 + nBestHeight - pindex->nHeight;
+}
+
// CBlock and CBlockIndex
//
-bool CBlock::ReadFromDisk(const CBlockIndex* pblockindex, bool fReadTransactions)
+bool CBlock::ReadFromDisk(const CBlockIndex* pindex, bool fReadTransactions)
{
- return ReadFromDisk(pblockindex->nFile, pblockindex->nBlockPos, fReadTransactions);
+ if (!fReadTransactions)
+ {
+ *this = pindex->GetBlockHeader();
+ return true;
+ }
+ if (!ReadFromDisk(pindex->nFile, pindex->nBlockPos, fReadTransactions))
+ return false;
+ if (GetHash() != pindex->GetBlockHash())
+ return error("CBlock::ReadFromDisk() : GetHash() doesn't match index");
+ return true;
}
uint256 GetOrphanRoot(const CBlock* pblock)
return pblock->GetHash();
}
-int64 CBlock::GetBlockValue(int nHeight, int64 nFees) const
+int64 GetBlockValue(int nHeight, int64 nFees)
{
int64 nSubsidy = 50 * COIN;
assert(pindexFirst);
// Limit adjustment step
- int64 nActualTimespan = (int64)pindexLast->nTime - (int64)pindexFirst->nTime;
+ int64 nActualTimespan = pindexLast->GetBlockTime() - pindexFirst->GetBlockTime();
printf(" nActualTimespan = %"PRI64d" before bounds\n", nActualTimespan);
if (nActualTimespan < nTargetTimespan/4)
nActualTimespan = nTargetTimespan/4;
return bnNew.GetCompact();
}
+bool CheckProofOfWork(uint256 hash, unsigned int nBits)
+{
+ CBigNum bnTarget;
+ bnTarget.SetCompact(nBits);
+
+ // Check range
+ if (bnTarget <= 0 || bnTarget > bnProofOfWorkLimit)
+ return error("CheckProofOfWork() : nBits below minimum work");
+
+ // Check proof of work matches claimed amount
+ if (hash > bnTarget.getuint256())
+ return error("CheckProofOfWork() : hash doesn't match nBits");
+
+ return true;
+}
+
bool IsInitialBlockDownload()
{
- if (pindexBest == NULL)
+ if (pindexBest == NULL || (!fTestNet && nBestHeight < 118000))
return true;
static int64 nLastUpdate;
static CBlockIndex* pindexLastBest;
nLastUpdate = GetTime();
}
return (GetTime() - nLastUpdate < 10 &&
- pindexBest->nTime < GetTime() - 24 * 60 * 60);
+ pindexBest->GetBlockTime() < GetTime() - 24 * 60 * 60);
}
-bool IsLockdown()
-{
- if (!pindexBest)
- return false;
- return (bnBestInvalidWork > bnBestChainWork + pindexBest->GetBlockWork() * 6);
-}
-
-void Lockdown(CBlockIndex* pindexNew)
+void InvalidChainFound(CBlockIndex* pindexNew)
{
if (pindexNew->bnChainWork > bnBestInvalidWork)
{
CTxDB().WriteBestInvalidWork(bnBestInvalidWork);
MainFrameRepaint();
}
- printf("Lockdown: invalid block=%s height=%d work=%s\n", pindexNew->GetBlockHash().ToString().substr(0,22).c_str(), pindexNew->nHeight, pindexNew->bnChainWork.ToString().c_str());
- printf("Lockdown: current best=%s height=%d work=%s\n", hashBestChain.ToString().substr(0,22).c_str(), nBestHeight, bnBestChainWork.ToString().c_str());
- printf("Lockdown: IsLockdown()=%d\n", (IsLockdown() ? 1 : 0));
- if (IsLockdown())
- printf("Lockdown: WARNING: Displayed transactions may not be correct! You may need to upgrade, or other nodes may need to upgrade.\n");
+ printf("InvalidChainFound: invalid block=%s height=%d work=%s\n", pindexNew->GetBlockHash().ToString().substr(0,20).c_str(), pindexNew->nHeight, pindexNew->bnChainWork.ToString().c_str());
+ printf("InvalidChainFound: current best=%s height=%d work=%s\n", hashBestChain.ToString().substr(0,20).c_str(), nBestHeight, bnBestChainWork.ToString().c_str());
+ if (pindexBest && bnBestInvalidWork > bnBestChainWork + pindexBest->GetBlockWork() * 6)
+ printf("InvalidChainFound: WARNING: Displayed transactions may not be correct! You may need to upgrade, or other nodes may need to upgrade.\n");
}
+
+
+
bool CTransaction::DisconnectInputs(CTxDB& txdb)
{
// Relinquish previous transactions' spent pointers
txindex.vSpent[prevout.n].SetNull();
// Write back
- txdb.UpdateTxIndex(prevout.hash, txindex);
+ if (!txdb.UpdateTxIndex(prevout.hash, txindex))
+ return error("DisconnectInputs() : UpdateTxIndex failed");
}
}
fFound = txdb.ReadTxIndex(prevout.hash, txindex);
}
if (!fFound && (fBlock || fMiner))
- return fMiner ? false : error("ConnectInputs() : %s prev tx %s index entry not found", GetHash().ToString().substr(0,6).c_str(), prevout.hash.ToString().substr(0,6).c_str());
+ 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());
// Read txPrev
CTransaction txPrev;
CRITICAL_BLOCK(cs_mapTransactions)
{
if (!mapTransactions.count(prevout.hash))
- return error("ConnectInputs() : %s mapTransactions prev not found %s", GetHash().ToString().substr(0,6).c_str(), prevout.hash.ToString().substr(0,6).c_str());
+ 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)
{
// Get prev tx from disk
if (!txPrev.ReadFromDisk(txindex.pos))
- return error("ConnectInputs() : %s ReadFromDisk prev tx %s failed", GetHash().ToString().substr(0,6).c_str(), prevout.hash.ToString().substr(0,6).c_str());
+ return error("ConnectInputs() : %s ReadFromDisk prev tx %s failed", GetHash().ToString().substr(0,10).c_str(), prevout.hash.ToString().substr(0,10).c_str());
}
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(0,6).c_str(), prevout.n, txPrev.vout.size(), txindex.vSpent.size(), prevout.hash.ToString().substr(0,6).c_str(), txPrev.ToString().c_str());
+ 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());
// If prev is coinbase, check that it's matured
if (txPrev.IsCoinBase())
// Verify signature
if (!VerifySignature(txPrev, *this, i))
- return error("ConnectInputs() : %s VerifySignature failed", GetHash().ToString().substr(0,6).c_str());
+ return error("ConnectInputs() : %s VerifySignature failed", GetHash().ToString().substr(0,10).c_str());
// Check for conflicts
if (!txindex.vSpent[prevout.n].IsNull())
- return fMiner ? false : error("ConnectInputs() : %s prev tx already used at %s", GetHash().ToString().substr(0,6).c_str(), txindex.vSpent[prevout.n].ToString().c_str());
+ 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");
// Mark outpoints as spent
txindex.vSpent[prevout.n] = posThisTx;
// Write back
if (fBlock)
- txdb.UpdateTxIndex(prevout.hash, txindex);
+ {
+ if (!txdb.UpdateTxIndex(prevout.hash, txindex))
+ return error("ConnectInputs() : UpdateTxIndex failed");
+ }
else if (fMiner)
+ {
mapTestPool[prevout.hash] = txindex;
-
- nValueIn += txPrev.vout[prevout.n].nValue;
-
- // Check for negative or overflow input values
- if (txPrev.vout[prevout.n].nValue < 0)
- return error("ConnectInputs() : txin.nValue negative");
- if (txPrev.vout[prevout.n].nValue > MAX_MONEY)
- return error("ConnectInputs() : txin.nValue too high");
- if (nValueIn > MAX_MONEY)
- return error("ConnectInputs() : txin total too high");
+ }
}
+ if (nValueIn < GetValueOut())
+ return error("ConnectInputs() : %s value in < value out", GetHash().ToString().substr(0,10).c_str());
+
// Tally transaction fees
int64 nTxFee = nValueIn - GetValueOut();
if (nTxFee < 0)
- return error("ConnectInputs() : %s nTxFee < 0", GetHash().ToString().substr(0,6).c_str());
+ return 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");
}
if (fBlock)
// txPrev.vout[prevout.n].posNext = posThisTx;
nValueIn += txPrev.vout[prevout.n].nValue;
+
+ if (!MoneyRange(txPrev.vout[prevout.n].nValue) || !MoneyRange(nValueIn))
+ return error("ClientConnectInputs() : txin values out of range");
}
if (GetValueOut() > nValueIn)
return false;
{
CDiskBlockIndex blockindexPrev(pindex->pprev);
blockindexPrev.hashNext = 0;
- txdb.WriteBlockIndex(blockindexPrev);
+ if (!txdb.WriteBlockIndex(blockindexPrev))
+ return error("DisconnectBlock() : WriteBlockIndex failed");
}
return true;
bool CBlock::ConnectBlock(CTxDB& txdb, CBlockIndex* pindex)
{
+ // Check it again in case a previous version let a bad block in
+ if (!CheckBlock())
+ return false;
+
//// issue here: it doesn't know the version
unsigned int nTxPos = pindex->nBlockPos + ::GetSerializeSize(CBlock(), SER_DISK) - 1 + GetSizeOfCompactSize(vtx.size());
{
CDiskBlockIndex blockindexPrev(pindex->pprev);
blockindexPrev.hashNext = pindex->GetBlockHash();
- txdb.WriteBlockIndex(blockindexPrev);
+ if (!txdb.WriteBlockIndex(blockindexPrev))
+ return error("ConnectBlock() : WriteBlockIndex failed");
}
// Watch for transactions paying to me
foreach(CTransaction& tx, vtx)
- AddToWalletIfMine(tx, this);
+ AddToWalletIfInvolvingMe(tx, this, true);
return true;
}
-
-
bool Reorganize(CTxDB& txdb, CBlockIndex* pindexNew)
{
printf("REORGANIZE\n");
foreach(CBlockIndex* pindex, vDisconnect)
{
CBlock block;
- if (!block.ReadFromDisk(pindex->nFile, pindex->nBlockPos))
+ if (!block.ReadFromDisk(pindex))
return error("Reorganize() : ReadFromDisk for disconnect failed");
if (!block.DisconnectBlock(txdb, pindex))
return error("Reorganize() : DisconnectBlock failed");
{
CBlockIndex* pindex = vConnect[i];
CBlock block;
- if (!block.ReadFromDisk(pindex->nFile, pindex->nBlockPos))
+ if (!block.ReadFromDisk(pindex))
return error("Reorganize() : ReadFromDisk for connect failed");
if (!block.ConnectBlock(txdb, pindex))
{
if (!txdb.WriteHashBestChain(pindexNew->GetBlockHash()))
return error("Reorganize() : WriteHashBestChain failed");
- // Commit now because resurrecting could take some time
- txdb.TxnCommit();
+ // Make sure it's successfully written to disk before changing memory structure
+ if (!txdb.TxnCommit())
+ return error("Reorganize() : TxnCommit failed");
// Disconnect shorter branch
foreach(CBlockIndex* pindex, vDisconnect)
// Resurrect memory transactions that were in the disconnected branch
foreach(CTransaction& tx, vResurrect)
- tx.AcceptTransaction(txdb, false);
+ tx.AcceptToMemoryPool(txdb, false);
// Delete redundant memory transactions that are in the connected branch
foreach(CTransaction& tx, vDelete)
txdb.TxnBegin();
if (pindexGenesisBlock == NULL && hash == hashGenesisBlock)
{
- pindexGenesisBlock = pindexNew;
txdb.WriteHashBestChain(hash);
+ if (!txdb.TxnCommit())
+ return error("SetBestChain() : TxnCommit failed");
+ pindexGenesisBlock = pindexNew;
}
else if (hashPrevBlock == hashBestChain)
{
if (!ConnectBlock(txdb, pindexNew) || !txdb.WriteHashBestChain(hash))
{
txdb.TxnAbort();
- Lockdown(pindexNew);
+ InvalidChainFound(pindexNew);
return error("SetBestChain() : ConnectBlock failed");
}
- txdb.TxnCommit();
+ if (!txdb.TxnCommit())
+ return error("SetBestChain() : TxnCommit failed");
+
+ // Add to current best branch
pindexNew->pprev->pnext = pindexNew;
// Delete redundant memory transactions
if (!Reorganize(txdb, pindexNew))
{
txdb.TxnAbort();
- Lockdown(pindexNew);
+ InvalidChainFound(pindexNew);
return error("SetBestChain() : Reorganize failed");
}
}
- txdb.TxnCommit();
+
+ // Update best block in wallet (so we can detect restored wallets)
+ if (!IsInitialBlockDownload())
+ {
+ CWalletDB walletdb;
+ const CBlockLocator locator(pindexNew);
+ if (!walletdb.WriteBestBlock(locator))
+ return error("SetBestChain() : WriteWalletBest failed");
+ }
// New best block
hashBestChain = hash;
bnBestChainWork = pindexNew->bnChainWork;
nTimeBestReceived = GetTime();
nTransactionsUpdated++;
- printf("SetBestChain: new best=%s height=%d work=%s\n", hashBestChain.ToString().substr(0,22).c_str(), nBestHeight, bnBestChainWork.ToString().c_str());
+ printf("SetBestChain: new best=%s height=%d work=%s\n", hashBestChain.ToString().substr(0,20).c_str(), nBestHeight, bnBestChainWork.ToString().c_str());
return true;
}
// Check for duplicate
uint256 hash = GetHash();
if (mapBlockIndex.count(hash))
- return error("AddToBlockIndex() : %s already exists", hash.ToString().substr(0,16).c_str());
+ return error("AddToBlockIndex() : %s already exists", hash.ToString().substr(0,20).c_str());
// Construct new block index object
CBlockIndex* pindexNew = new CBlockIndex(nFile, nBlockPos, *this);
pindexNew->bnChainWork = (pindexNew->pprev ? pindexNew->pprev->bnChainWork : 0) + pindexNew->GetBlockWork();
CTxDB txdb;
+ txdb.TxnBegin();
txdb.WriteBlockIndex(CDiskBlockIndex(pindexNew));
+ if (!txdb.TxnCommit())
+ return false;
// New best
if (pindexNew->bnChainWork > bnBestChainWork)
// that can be verified before saving an orphan block.
// Size limits
- if (vtx.empty() || vtx.size() > MAX_SIZE || ::GetSerializeSize(*this, SER_DISK) > MAX_SIZE)
+ if (vtx.empty() || vtx.size() > MAX_BLOCK_SIZE || ::GetSerializeSize(*this, SER_NETWORK) > MAX_BLOCK_SIZE)
return error("CheckBlock() : size limits failed");
+ // Check proof of work matches claimed amount
+ if (!CheckProofOfWork(GetHash(), nBits))
+ return error("CheckBlock() : proof of work failed");
+
// Check timestamp
- if (nTime > GetAdjustedTime() + 2 * 60 * 60)
+ if (GetBlockTime() > GetAdjustedTime() + 2 * 60 * 60)
return error("CheckBlock() : block timestamp too far in the future");
// First transaction must be coinbase, the rest must not be
if (!tx.CheckTransaction())
return error("CheckBlock() : CheckTransaction failed");
- // Check proof of work matches claimed amount
- if (CBigNum().SetCompact(nBits) > bnProofOfWorkLimit)
- return error("CheckBlock() : nBits below minimum work");
- if (GetHash() > CBigNum().SetCompact(nBits).getuint256())
- return error("CheckBlock() : hash doesn't match nBits");
+ // Check that it's not full of nonstandard transactions
+ if (GetSigOpCount() > MAX_BLOCK_SIGOPS)
+ return error("CheckBlock() : too many nonstandard transactions");
// Check merkleroot
if (hashMerkleRoot != BuildMerkleTree())
if (mi == mapBlockIndex.end())
return 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");
// Check timestamp against prev
- if (nTime <= pindexPrev->GetMedianTimePast())
+ if (GetBlockTime() <= pindexPrev->GetMedianTimePast())
return error("AcceptBlock() : block's timestamp is too early");
// Check that all transactions are finalized
foreach(const CTransaction& tx, vtx)
- if (!tx.IsFinal(pindexPrev->nHeight+1, nTime))
+ if (!tx.IsFinal(nHeight, GetBlockTime()))
return error("AcceptBlock() : contains a non-final transaction");
- // Check proof of work
- if (nBits != GetNextWorkRequired(pindexPrev))
- return error("AcceptBlock() : incorrect proof of work");
-
// Check that the block chain matches the known block chain up to a checkpoint
- if ((pindexPrev->nHeight+1 == 11111 && hash != uint256("0x0000000069e244f73d78e8fd29ba2fd2ed618bd6fa2ee92559f542fdb26e7c1d")) ||
- (pindexPrev->nHeight+1 == 33333 && hash != uint256("0x000000002dd5588a74784eaa7ab0507a18ad16a236e7b1ce69f00d7ddfb5d0a6")) ||
- (pindexPrev->nHeight+1 == 68555 && hash != uint256("0x00000000001e1b4903550a0b96e9a9405c8a95f387162e4944e8d9fbe501cd6a")) ||
- (pindexPrev->nHeight+1 == 70567 && hash != uint256("0x00000000006a49b14bcf27462068f1264c961f11fa2e0eddd2be0791e1d4124a")) ||
- (pindexPrev->nHeight+1 == 74000 && hash != uint256("0x0000000000573993a3c9e41ce34471c079dcf5f52a0e824a81e7f953b8661a20")))
- return error("AcceptBlock() : rejected by checkpoint lockin at %d", pindexPrev->nHeight+1);
-
- // Scanback checkpoint lockin
- for (CBlockIndex* pindex = pindexPrev; pindex->nHeight >= 74000; pindex = pindex->pprev)
- {
- if (pindex->nHeight == 74000 && pindex->GetBlockHash() != uint256("0x0000000000573993a3c9e41ce34471c079dcf5f52a0e824a81e7f953b8661a20"))
- return error("AcceptBlock() : rejected by scanback lockin at %d", pindex->nHeight);
- if (pindex->nHeight == 74638 && pindex->GetBlockHash() == uint256("0x0000000000790ab3f22ec756ad43b6ab569abf0bddeb97c67a6f7b1470a7ec1c"))
- return error("AcceptBlock() : rejected by scanback lockin at %d", pindex->nHeight);
- }
+ 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")))
+ return error("AcceptBlock() : rejected by checkpoint lockin at %d", nHeight);
// Write block to history file
if (!CheckDiskSpace(::GetSerializeSize(*this, SER_DISK)))
return error("AcceptBlock() : out of disk space");
- unsigned int nFile;
- unsigned int nBlockPos;
- if (!WriteToDisk(!fClient, nFile, nBlockPos))
+ unsigned int nFile = -1;
+ unsigned int nBlockPos = 0;
+ if (!WriteToDisk(nFile, nBlockPos))
return error("AcceptBlock() : WriteToDisk failed");
if (!AddToBlockIndex(nFile, nBlockPos))
return error("AcceptBlock() : AddToBlockIndex failed");
if (hashBestChain == hash)
CRITICAL_BLOCK(cs_vNodes)
foreach(CNode* pnode, vNodes)
- if (nBestHeight > (pnode->nStartingHeight != -1 ? pnode->nStartingHeight - 2000 : 55000))
+ if (nBestHeight > (pnode->nStartingHeight != -1 ? pnode->nStartingHeight - 2000 : 118000))
pnode->PushInventory(CInv(MSG_BLOCK, hash));
return true;
// Check for duplicate
uint256 hash = pblock->GetHash();
if (mapBlockIndex.count(hash))
- return error("ProcessBlock() : already have block %d %s", mapBlockIndex[hash]->nHeight, hash.ToString().substr(0,16).c_str());
+ return error("ProcessBlock() : already have block %d %s", mapBlockIndex[hash]->nHeight, hash.ToString().substr(0,20).c_str());
if (mapOrphanBlocks.count(hash))
- return error("ProcessBlock() : already have block (orphan) %s", hash.ToString().substr(0,16).c_str());
+ return error("ProcessBlock() : already have block (orphan) %s", hash.ToString().substr(0,20).c_str());
// Preliminary checks
if (!pblock->CheckBlock())
- {
- delete pblock;
return error("ProcessBlock() : CheckBlock FAILED");
- }
// If don't already have its previous block, shunt it off to holding area until we get it
if (!mapBlockIndex.count(pblock->hashPrevBlock))
{
- printf("ProcessBlock: ORPHAN BLOCK, prev=%s\n", pblock->hashPrevBlock.ToString().substr(0,16).c_str());
- mapOrphanBlocks.insert(make_pair(hash, pblock));
- mapOrphanBlocksByPrev.insert(make_pair(pblock->hashPrevBlock, pblock));
+ printf("ProcessBlock: ORPHAN BLOCK, prev=%s\n", pblock->hashPrevBlock.ToString().substr(0,20).c_str());
+ CBlock* pblock2 = new CBlock(*pblock);
+ mapOrphanBlocks.insert(make_pair(hash, pblock2));
+ mapOrphanBlocksByPrev.insert(make_pair(pblock2->hashPrevBlock, pblock2));
// Ask this guy to fill in what we're missing
if (pfrom)
- pfrom->PushGetBlocks(pindexBest, GetOrphanRoot(pblock));
+ pfrom->PushGetBlocks(pindexBest, GetOrphanRoot(pblock2));
return true;
}
// Store to disk
if (!pblock->AcceptBlock())
- {
- delete pblock;
return error("ProcessBlock() : AcceptBlock FAILED");
- }
- delete pblock;
// Recursively process any orphan blocks that depended on this one
vector<uint256> vWorkQueue;
}
}
-bool CheckDiskSpace(int64 nAdditionalBytes)
+bool CheckDiskSpace(uint64 nAdditionalBytes)
{
uint64 nFreeBytesAvailable = filesystem::space(GetDataDir()).available;
// Check for 15MB because database could create another 10MB log file at any time
- if (nFreeBytesAvailable < (int64)15000000 + nAdditionalBytes)
+ if (nFreeBytesAvailable < (uint64)15000000 + nAdditionalBytes)
{
fShutdown = true;
- printf("*** %s***\n", _("Warning: Disk space is low "));
-#ifdef GUI
- ThreadSafeMessageBox(_("Warning: Disk space is low "), "Bitcoin", wxOK | wxICON_EXCLAMATION);
-#endif
+ string strMessage = _("Warning: Disk space is low ");
+ strMiscWarning = strMessage;
+ printf("*** %s\n", strMessage.c_str());
+ ThreadSafeMessageBox(strMessage, "Bitcoin", wxOK | wxICON_EXCLAMATION);
CreateThread(Shutdown, NULL);
return false;
}
bool LoadBlockIndex(bool fAllowNew)
{
+ if (fTestNet)
+ {
+ hashGenesisBlock = uint256("0x00000007199508e34a9ff81e6ec0c477a4cccff2a4767a8eee39c11db367b008");
+ bnProofOfWorkLimit = CBigNum(~uint256(0) >> 28);
+ pchMessageStart[0] = 0xfa;
+ pchMessageStart[1] = 0xbf;
+ pchMessageStart[2] = 0xb5;
+ pchMessageStart[3] = 0xda;
+ }
+
//
// Load block index
//
if (!fAllowNew)
return false;
-
// Genesis Block:
- // GetHash() = 0x000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f
- // hashMerkleRoot = 0x4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b
- // txNew.vin[0].scriptSig = 486604799 4 0x736B6E616220726F662074756F6C69616220646E6F63657320666F206B6E697262206E6F20726F6C6C65636E61684320393030322F6E614A2F33302073656D695420656854
- // txNew.vout[0].nValue = 5000000000
- // txNew.vout[0].scriptPubKey = 0x5F1DF16B2B704C8A578D0BBAF74D385CDE12C11EE50455F3C438EF4C3FBCF649B6DE611FEAE06279A60939E028A8D65C10B73071A6F16719274855FEB0FD8A6704 OP_CHECKSIG
- // block.nVersion = 1
- // block.nTime = 1231006505
- // block.nBits = 0x1d00ffff
- // block.nNonce = 2083236893
// CBlock(hash=000000000019d6, ver=1, hashPrevBlock=00000000000000, hashMerkleRoot=4a5e1e, nTime=1231006505, nBits=1d00ffff, nNonce=2083236893, vtx=1)
// CTransaction(hash=4a5e1e, ver=1, vin.size=1, vout.size=1, nLockTime=0)
// CTxIn(COutPoint(000000, -1), coinbase 04ffff001d0104455468652054696d65732030332f4a616e2f32303039204368616e63656c6c6f72206f6e206272696e6b206f66207365636f6e64206261696c6f757420666f722062616e6b73)
txNew.vout.resize(1);
txNew.vin[0].scriptSig = CScript() << 486604799 << CBigNum(4) << vector<unsigned char>((const unsigned char*)pszTimestamp, (const unsigned char*)pszTimestamp + strlen(pszTimestamp));
txNew.vout[0].nValue = 50 * COIN;
- CBigNum bnPubKey;
- bnPubKey.SetHex("0x5F1DF16B2B704C8A578D0BBAF74D385CDE12C11EE50455F3C438EF4C3FBCF649B6DE611FEAE06279A60939E028A8D65C10B73071A6F16719274855FEB0FD8A6704");
- txNew.vout[0].scriptPubKey = CScript() << bnPubKey << OP_CHECKSIG;
+ txNew.vout[0].scriptPubKey = CScript() << ParseHex("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38c4f35504e51ec112de5c384df7ba0b8d578a4c702b6bf11d5f") << OP_CHECKSIG;
CBlock block;
block.vtx.push_back(txNew);
block.hashPrevBlock = 0;
block.nBits = 0x1d00ffff;
block.nNonce = 2083236893;
- //// debug print
- printf("%s\n", block.GetHash().ToString().c_str());
- printf("%s\n", block.hashMerkleRoot.ToString().c_str());
- printf("%s\n", hashGenesisBlock.ToString().c_str());
- txNew.vout[0].scriptPubKey.print();
- block.print();
- assert(block.hashMerkleRoot == uint256("0x4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b"));
+ if (fTestNet)
+ {
+ block.nTime = 1296688602;
+ block.nBits = 0x1d07fff8;
+ block.nNonce = 384568319;
+ }
+ //// debug print
+ printf("%s\n", block.GetHash().ToString().c_str());
+ printf("%s\n", hashGenesisBlock.ToString().c_str());
+ printf("%s\n", block.hashMerkleRoot.ToString().c_str());
+ assert(block.hashMerkleRoot == uint256("0x4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b"));
+ block.print();
assert(block.GetHash() == hashGenesisBlock);
// Start new block file
unsigned int nFile;
unsigned int nBlockPos;
- if (!block.WriteToDisk(!fClient, nFile, nBlockPos))
+ if (!block.WriteToDisk(nFile, nBlockPos))
return error("LoadBlockIndex() : writing genesis block to disk failed");
if (!block.AddToBlockIndex(nFile, nBlockPos))
return error("LoadBlockIndex() : genesis block not accepted");
pindex->nHeight,
pindex->nFile,
pindex->nBlockPos,
- block.GetHash().ToString().substr(0,16).c_str(),
- DateTimeStrFormat("%x %H:%M:%S", block.nTime).c_str(),
+ block.GetHash().ToString().substr(0,20).c_str(),
+ DateTimeStrFormat("%x %H:%M:%S", block.GetBlockTime()).c_str(),
block.vtx.size());
CRITICAL_BLOCK(cs_mapWallet)
//////////////////////////////////////////////////////////////////////////////
//
+// CAlert
+//
+
+map<uint256, CAlert> mapAlerts;
+CCriticalSection cs_mapAlerts;
+
+string GetWarnings(string strFor)
+{
+ int nPriority = 0;
+ string strStatusBar;
+ string strRPC;
+ if (GetBoolArg("-testsafemode"))
+ strRPC = "test";
+
+ // Misc warnings like out of disk space and clock is wrong
+ if (strMiscWarning != "")
+ {
+ nPriority = 1000;
+ strStatusBar = strMiscWarning;
+ }
+
+ // Longer invalid proof-of-work chain
+ if (pindexBest && bnBestInvalidWork > bnBestChainWork + pindexBest->GetBlockWork() * 6)
+ {
+ nPriority = 2000;
+ strStatusBar = strRPC = "WARNING: Displayed transactions may not be correct! You may need to upgrade, or other nodes may need to upgrade.";
+ }
+
+ // Alerts
+ CRITICAL_BLOCK(cs_mapAlerts)
+ {
+ foreach(PAIRTYPE(const uint256, CAlert)& item, mapAlerts)
+ {
+ const CAlert& alert = item.second;
+ if (alert.AppliesToMe() && alert.nPriority > nPriority)
+ {
+ nPriority = alert.nPriority;
+ strStatusBar = alert.strStatusBar;
+ }
+ }
+ }
+
+ if (strFor == "statusbar")
+ return strStatusBar;
+ else if (strFor == "rpc")
+ return strRPC;
+ assert(("GetWarnings() : invalid parameter", false));
+ return "error";
+}
+
+bool CAlert::ProcessAlert()
+{
+ if (!CheckSignature())
+ return false;
+ if (!IsInEffect())
+ return false;
+
+ CRITICAL_BLOCK(cs_mapAlerts)
+ {
+ // Cancel previous alerts
+ for (map<uint256, CAlert>::iterator mi = mapAlerts.begin(); mi != mapAlerts.end();)
+ {
+ const CAlert& alert = (*mi).second;
+ if (Cancels(alert))
+ {
+ printf("cancelling alert %d\n", alert.nID);
+ mapAlerts.erase(mi++);
+ }
+ else if (!alert.IsInEffect())
+ {
+ printf("expiring alert %d\n", alert.nID);
+ mapAlerts.erase(mi++);
+ }
+ else
+ mi++;
+ }
+
+ // Check if this alert has been cancelled
+ foreach(PAIRTYPE(const uint256, CAlert)& item, mapAlerts)
+ {
+ const CAlert& alert = item.second;
+ if (alert.Cancels(*this))
+ {
+ printf("alert already cancelled by %d\n", alert.nID);
+ return false;
+ }
+ }
+
+ // Add to mapAlerts
+ mapAlerts.insert(make_pair(GetHash(), *this));
+ }
+
+ printf("accepted alert %d, AppliesToMe()=%d\n", nID, AppliesToMe());
+ MainFrameRepaint();
+ return true;
+}
+
+
+
+
+
+
+
+
+//////////////////////////////////////////////////////////////////////////////
+//
// Messages
//
{
switch (inv.type)
{
- case MSG_TX: return mapTransactions.count(inv.hash) || txdb.ContainsTx(inv.hash);
+ case MSG_TX: return mapTransactions.count(inv.hash) || mapOrphanTransactions.count(inv.hash) || txdb.ContainsTx(inv.hash);
case MSG_BLOCK: return mapBlockIndex.count(inv.hash) || mapOrphanBlocks.count(inv.hash);
}
// Don't know what it is, just say we already got one
-
+// The message start string is designed to be unlikely to occur in normal data.
+// The characters are rarely used upper ascii, not valid as UTF-8, and produce
+// a large 4-byte int at any alignment.
+char pchMessageStart[4] = { 0xf9, 0xbe, 0xb4, 0xd9 };
bool ProcessMessages(CNode* pfrom)
if (vRecv.empty())
return true;
//if (fDebug)
- // printf("ProcessMessages(%d bytes)\n", vRecv.size());
+ // printf("ProcessMessages(%u bytes)\n", vRecv.size());
//
// Message format
// Message size
unsigned int nMessageSize = hdr.nMessageSize;
+ if (nMessageSize > MAX_SIZE)
+ {
+ printf("ProcessMessage(%s, %u bytes) : nMessageSize > MAX_SIZE\n", strCommand.c_str(), nMessageSize);
+ continue;
+ }
if (nMessageSize > vRecv.size())
{
// Rewind and wait for rest of message
- ///// need a mechanism to give up waiting for overlong message size error
vRecv.insert(vRecv.begin(), vHeaderSave.begin(), vHeaderSave.end());
break;
}
- // Copy message to its own buffer
- CDataStream vMsg(vRecv.begin(), vRecv.begin() + nMessageSize, vRecv.nType, vRecv.nVersion);
- vRecv.ignore(nMessageSize);
-
// Checksum
if (vRecv.GetVersion() >= 209)
{
- uint256 hash = Hash(vMsg.begin(), vMsg.end());
+ uint256 hash = Hash(vRecv.begin(), vRecv.begin() + nMessageSize);
unsigned int nChecksum = 0;
memcpy(&nChecksum, &hash, sizeof(nChecksum));
if (nChecksum != hdr.nChecksum)
{
- printf("ProcessMessage(%s, %d bytes) : CHECKSUM ERROR nChecksum=%08x hdr.nChecksum=%08x\n",
+ printf("ProcessMessage(%s, %u bytes) : CHECKSUM ERROR nChecksum=%08x hdr.nChecksum=%08x\n",
strCommand.c_str(), nMessageSize, nChecksum, hdr.nChecksum);
continue;
}
}
+ // Copy message to its own buffer
+ CDataStream vMsg(vRecv.begin(), vRecv.begin() + nMessageSize, vRecv.nType, vRecv.nVersion);
+ vRecv.ignore(nMessageSize);
+
// Process message
bool fRet = false;
try
}
catch (std::ios_base::failure& e)
{
- if (strstr(e.what(), "CDataStream::read() : end of data"))
+ if (strstr(e.what(), "end of data"))
{
// Allow exceptions from underlength message on vRecv
- printf("ProcessMessage(%s, %d bytes) : Exception '%s' caught, normally caused by a message being shorter than its stated length\n", strCommand.c_str(), nMessageSize, e.what());
+ printf("ProcessMessage(%s, %u bytes) : Exception '%s' caught, normally caused by a message being shorter than its stated length\n", strCommand.c_str(), nMessageSize, e.what());
}
- else if (strstr(e.what(), ": size too large"))
+ else if (strstr(e.what(), "size too large"))
{
// Allow exceptions from overlong size
- printf("ProcessMessage(%s, %d bytes) : Exception '%s' caught\n", strCommand.c_str(), nMessageSize, e.what());
+ printf("ProcessMessage(%s, %u bytes) : Exception '%s' caught\n", strCommand.c_str(), nMessageSize, e.what());
}
else
{
- PrintException(&e, "ProcessMessage()");
+ PrintExceptionContinue(&e, "ProcessMessage()");
}
}
catch (std::exception& e) {
- PrintException(&e, "ProcessMessage()");
+ PrintExceptionContinue(&e, "ProcessMessage()");
} catch (...) {
- PrintException(NULL, "ProcessMessage()");
+ PrintExceptionContinue(NULL, "ProcessMessage()");
}
if (!fRet)
- printf("ProcessMessage(%s, %d bytes) FAILED\n", strCommand.c_str(), nMessageSize);
+ printf("ProcessMessage(%s, %u bytes) FAILED\n", strCommand.c_str(), nMessageSize);
}
vRecv.Compact();
CAddress addrMe;
CAddress addrFrom;
uint64 nNonce = 1;
- string strSubVer;
vRecv >> pfrom->nVersion >> pfrom->nServices >> nTime >> addrMe;
if (pfrom->nVersion == 10300)
pfrom->nVersion = 300;
if (pfrom->nVersion >= 106 && !vRecv.empty())
vRecv >> addrFrom >> nNonce;
if (pfrom->nVersion >= 106 && !vRecv.empty())
- vRecv >> strSubVer;
+ vRecv >> pfrom->strSubVer;
if (pfrom->nVersion >= 209 && !vRecv.empty())
vRecv >> pfrom->nStartingHeight;
// Disconnect if we connected to ourself
if (nNonce == nLocalHostNonce && nNonce > 1)
{
+ printf("connected to self at %s, disconnecting\n", pfrom->addr.ToString().c_str());
pfrom->fDisconnect = true;
return true;
}
+ // Be shy and don't send version until we hear
+ if (pfrom->fInbound)
+ pfrom->PushVersion();
+
pfrom->fClient = !(pfrom->nServices & NODE_NETWORK);
- if (pfrom->fClient)
- {
- pfrom->vSend.nType |= SER_BLOCKHEADERONLY;
- pfrom->vRecv.nType |= SER_BLOCKHEADERONLY;
- }
AddTimeData(pfrom->addr.ip, nTime);
if (pfrom->nVersion < 209)
pfrom->vRecv.SetVersion(min(pfrom->nVersion, VERSION));
+ if (!pfrom->fInbound)
+ {
+ // Advertise our address
+ if (addrLocalHost.IsRoutable() && !fUseProxy)
+ {
+ CAddress addr(addrLocalHost);
+ addr.nTime = GetAdjustedTime();
+ pfrom->PushAddress(addr);
+ }
+
+ // Get recent addresses
+ if (pfrom->nVersion >= 31402 || mapAddresses.size() < 1000)
+ {
+ pfrom->PushMessage("getaddr");
+ pfrom->fGetAddr = true;
+ }
+ }
+
// Ask the first connected node for block updates
static int nAskedForBlocks;
if (!pfrom->fClient && (nAskedForBlocks < 1 || vNodes.size() <= 1))
pfrom->PushGetBlocks(pindexBest, uint256(0));
}
+ // Relay alerts
+ CRITICAL_BLOCK(cs_mapAlerts)
+ foreach(PAIRTYPE(const uint256, CAlert)& item, mapAlerts)
+ item.second.RelayTo(pfrom);
+
pfrom->fSuccessfullyConnected = true;
printf("version message: version %d, blocks=%d\n", pfrom->nVersion, pfrom->nStartingHeight);
{
vector<CAddress> vAddr;
vRecv >> vAddr;
- if (pfrom->nVersion < 200) // don't want addresses from 0.1.5
+
+ // Don't want addr from older versions unless seeding
+ if (pfrom->nVersion < 209)
return true;
- if (pfrom->nVersion < 209 && mapAddresses.size() > 1000) // don't want addr from 0.2.0 unless seeding
+ if (pfrom->nVersion < 31402 && mapAddresses.size() > 1000)
return true;
if (vAddr.size() > 1000)
return error("message addr size() = %d", vAddr.size());
// Store the new addresses
+ int64 nNow = GetAdjustedTime();
+ int64 nSince = nNow - 10 * 60;
foreach(CAddress& addr, vAddr)
{
if (fShutdown)
// ignore IPv6 for now, since it isn't implemented anyway
if (!addr.IsIPv4())
continue;
- addr.nTime = GetAdjustedTime() - 2 * 60 * 60;
- if (pfrom->fGetAddr || vAddr.size() > 10)
- addr.nTime -= 5 * 24 * 60 * 60;
- AddAddress(addr);
+ if (addr.nTime <= 100000000 || addr.nTime > nNow + 10 * 60)
+ addr.nTime = nNow - 5 * 24 * 60 * 60;
+ AddAddress(addr, 2 * 60 * 60);
pfrom->AddAddressKnown(addr);
- if (!pfrom->fGetAddr && addr.IsRoutable())
+ if (addr.nTime > nSince && !pfrom->fGetAddr && vAddr.size() <= 10 && addr.IsRoutable())
{
// Relay to a limited number of other nodes
CRITICAL_BLOCK(cs_vNodes)
{
- // Use deterministic randomness to send to
- // the same places for 12 hours at a time
+ // Use deterministic randomness to send to the same nodes for 24 hours
+ // at a time so the setAddrKnowns of the chosen nodes prevent repeats
static uint256 hashSalt;
if (hashSalt == 0)
RAND_bytes((unsigned char*)&hashSalt, sizeof(hashSalt));
- uint256 hashRand = addr.ip ^ ((GetTime()+addr.ip)/(12*60*60)) ^ hashSalt;
+ uint256 hashRand = hashSalt ^ (((int64)addr.ip)<<32) ^ ((GetTime()+addr.ip)/(24*60*60));
+ hashRand = Hash(BEGIN(hashRand), END(hashRand));
multimap<uint256, CNode*> mapMix;
foreach(CNode* pnode, vNodes)
- mapMix.insert(make_pair(hashRand = Hash(BEGIN(hashRand), END(hashRand)), pnode));
- int nRelayNodes = 4;
+ {
+ if (pnode->nVersion < 31402)
+ continue;
+ unsigned int nPointer;
+ memcpy(&nPointer, &pnode, sizeof(nPointer));
+ uint256 hashKey = hashRand ^ nPointer;
+ hashKey = Hash(BEGIN(hashKey), END(hashKey));
+ mapMix.insert(make_pair(hashKey, pnode));
+ }
+ int nRelayNodes = 2;
for (multimap<uint256, CNode*>::iterator mi = mapMix.begin(); mi != mapMix.end() && nRelayNodes-- > 0; ++mi)
((*mi).second)->PushAddress(addr);
}
map<uint256, CBlockIndex*>::iterator mi = mapBlockIndex.find(inv.hash);
if (mi != mapBlockIndex.end())
{
- //// could optimize this to send header straight from blockindex for client
CBlock block;
- block.ReadFromDisk((*mi).second, !pfrom->fClient);
+ block.ReadFromDisk((*mi).second);
pfrom->PushMessage("block", block);
// Trigger them to send a getblocks request for the next batch of inventory
uint256 hashStop;
vRecv >> locator >> hashStop;
- // Find the first block the caller has in the main chain
+ // Find the last block the caller has in the main chain
CBlockIndex* pindex = locator.GetBlockIndex();
// Send the rest of the chain
if (pindex)
pindex = pindex->pnext;
int nLimit = 500 + locator.GetDistanceBack();
- printf("getblocks %d to %s limit %d\n", (pindex ? pindex->nHeight : -1), hashStop.ToString().substr(0,16).c_str(), nLimit);
+ printf("getblocks %d to %s limit %d\n", (pindex ? pindex->nHeight : -1), hashStop.ToString().substr(0,20).c_str(), nLimit);
for (; pindex; pindex = pindex->pnext)
{
if (pindex->GetBlockHash() == hashStop)
{
- printf(" getblocks stopping at %d %s\n", pindex->nHeight, pindex->GetBlockHash().ToString().substr(0,16).c_str());
+ printf(" getblocks stopping at %d %s\n", pindex->nHeight, pindex->GetBlockHash().ToString().substr(0,20).c_str());
break;
}
pfrom->PushInventory(CInv(MSG_BLOCK, pindex->GetBlockHash()));
{
// When this block is requested, we'll send an inv that'll make them
// getblocks the next batch of inventory.
- printf(" getblocks stopping at limit %d %s\n", pindex->nHeight, pindex->GetBlockHash().ToString().substr(0,16).c_str());
+ printf(" getblocks stopping at limit %d %s\n", pindex->nHeight, pindex->GetBlockHash().ToString().substr(0,20).c_str());
pfrom->hashContinue = pindex->GetBlockHash();
break;
}
}
+ else if (strCommand == "getheaders")
+ {
+ CBlockLocator locator;
+ uint256 hashStop;
+ vRecv >> locator >> hashStop;
+
+ CBlockIndex* pindex = NULL;
+ if (locator.IsNull())
+ {
+ // If locator is null, return the hashStop block
+ map<uint256, CBlockIndex*>::iterator mi = mapBlockIndex.find(hashStop);
+ if (mi == mapBlockIndex.end())
+ return true;
+ pindex = (*mi).second;
+ }
+ else
+ {
+ // Find the last block the caller has in the main chain
+ pindex = locator.GetBlockIndex();
+ if (pindex)
+ pindex = pindex->pnext;
+ }
+
+ vector<CBlock> vHeaders;
+ int nLimit = 2000 + locator.GetDistanceBack();
+ printf("getheaders %d to %s limit %d\n", (pindex ? pindex->nHeight : -1), hashStop.ToString().substr(0,20).c_str(), nLimit);
+ for (; pindex; pindex = pindex->pnext)
+ {
+ vHeaders.push_back(pindex->GetBlockHeader());
+ if (--nLimit <= 0 || pindex->GetBlockHash() == hashStop)
+ break;
+ }
+ pfrom->PushMessage("headers", vHeaders);
+ }
+
+
else if (strCommand == "tx")
{
vector<uint256> vWorkQueue;
pfrom->AddInventoryKnown(inv);
bool fMissingInputs = false;
- if (tx.AcceptTransaction(true, &fMissingInputs))
+ if (tx.AcceptToMemoryPool(true, &fMissingInputs))
{
- AddToWalletIfMine(tx, NULL);
+ AddToWalletIfInvolvingMe(tx, NULL, true);
RelayMessage(inv, vMsg);
mapAlreadyAskedFor.erase(inv);
vWorkQueue.push_back(inv.hash);
CDataStream(vMsg) >> tx;
CInv inv(MSG_TX, tx.GetHash());
- if (tx.AcceptTransaction(true))
+ if (tx.AcceptToMemoryPool(true))
{
- printf(" accepted orphan tx %s\n", inv.hash.ToString().substr(0,6).c_str());
- AddToWalletIfMine(tx, NULL);
+ printf(" accepted orphan tx %s\n", inv.hash.ToString().substr(0,10).c_str());
+ AddToWalletIfInvolvingMe(tx, NULL, true);
RelayMessage(inv, vMsg);
mapAlreadyAskedFor.erase(inv);
vWorkQueue.push_back(inv.hash);
}
else if (fMissingInputs)
{
- printf("storing orphan tx %s\n", inv.hash.ToString().substr(0,6).c_str());
+ printf("storing orphan tx %s\n", inv.hash.ToString().substr(0,10).c_str());
AddOrphanTx(vMsg);
}
}
else if (strCommand == "block")
{
- auto_ptr<CBlock> pblock(new CBlock);
- vRecv >> *pblock;
+ CBlock block;
+ vRecv >> block;
- //// debug print
- printf("received block %s\n", pblock->GetHash().ToString().substr(0,16).c_str());
- // pblock->print();
+ printf("received block %s\n", block.GetHash().ToString().substr(0,20).c_str());
+ // block.print();
- CInv inv(MSG_BLOCK, pblock->GetHash());
+ CInv inv(MSG_BLOCK, block.GetHash());
pfrom->AddInventoryKnown(inv);
- if (ProcessBlock(pfrom, pblock.release()))
+ if (ProcessBlock(pfrom, &block))
mapAlreadyAskedFor.erase(inv);
}
else if (strCommand == "getaddr")
{
- // This includes all nodes that are currently online,
- // since they rebroadcast an addr every 24 hours
+ // Nodes rebroadcast an addr every 24 hours
pfrom->vAddrToSend.clear();
- int64 nSince = GetAdjustedTime() - 12 * 60 * 60; // in the last 12 hours
+ int64 nSince = GetAdjustedTime() - 3 * 60 * 60; // in the last 3 hours
CRITICAL_BLOCK(cs_mapAddresses)
{
- unsigned int nSize = mapAddresses.size();
+ unsigned int nCount = 0;
foreach(const PAIRTYPE(vector<unsigned char>, CAddress)& item, mapAddresses)
{
- if (fShutdown)
- return true;
const CAddress& addr = item.second;
if (addr.nTime > nSince)
+ nCount++;
+ }
+ foreach(const PAIRTYPE(vector<unsigned char>, CAddress)& item, mapAddresses)
+ {
+ const CAddress& addr = item.second;
+ if (addr.nTime > nSince && GetRand(nCount) < 2500)
pfrom->PushAddress(addr);
}
}
else if (strCommand == "checkorder")
{
uint256 hashReply;
+ vRecv >> hashReply;
+
+ if (!GetBoolArg("-allowreceivebyip"))
+ {
+ pfrom->PushMessage("reply", hashReply, (int)2, string(""));
+ return true;
+ }
+
CWalletTx order;
- vRecv >> hashReply >> order;
+ vRecv >> order;
/// we have a chance to check the order here
// Keep giving the same key to the same ip until they use it
if (!mapReuseKey.count(pfrom->addr.ip))
- mapReuseKey[pfrom->addr.ip] = GenerateNewKey();
+ mapReuseKey[pfrom->addr.ip] = GetKeyFromKeyPool();
// Send back approval of order and pubkey to use
CScript scriptPubKey;
else if (strCommand == "submitorder")
{
uint256 hashReply;
+ vRecv >> hashReply;
+
+ if (!GetBoolArg("-allowreceivebyip"))
+ {
+ pfrom->PushMessage("reply", hashReply, (int)2);
+ return true;
+ }
+
CWalletTx wtxNew;
- vRecv >> hashReply >> wtxNew;
+ vRecv >> wtxNew;
wtxNew.fFromMe = false;
// Broadcast
}
+ else if (strCommand == "alert")
+ {
+ CAlert alert;
+ vRecv >> alert;
+
+ if (alert.ProcessAlert())
+ {
+ // Relay
+ pfrom->setKnown.insert(alert.GetHash());
+ CRITICAL_BLOCK(cs_vNodes)
+ foreach(CNode* pnode, vNodes)
+ alert.RelayTo(pnode);
+ }
+ }
+
+
else
{
// Ignore unknown commands for extensibility
if (pto->nLastSend && GetTime() - pto->nLastSend > 30 * 60 && pto->vSend.empty())
pto->PushMessage("ping");
+ // Resend wallet transactions that haven't gotten in a block yet
+ ResendWalletTransactions();
+
// Address refresh broadcast
static int64 nLastRebroadcast;
- if (GetTime() - nLastRebroadcast > 24 * 60 * 60) // every 24 hours
+ if (GetTime() - nLastRebroadcast > 24 * 60 * 60)
{
nLastRebroadcast = GetTime();
CRITICAL_BLOCK(cs_vNodes)
// Rebroadcast our address
if (addrLocalHost.IsRoutable() && !fUseProxy)
- pnode->PushAddress(addrLocalHost);
+ {
+ CAddress addr(addrLocalHost);
+ addr.nTime = GetAdjustedTime();
+ pnode->PushAddress(addr);
+ }
}
}
}
- // Resend wallet transactions that haven't gotten in a block yet
- ResendWalletTransactions();
+ // Clear out old addresses periodically so it's not too much work at once
+ static int64 nLastClear;
+ if (nLastClear == 0)
+ nLastClear = GetTime();
+ if (GetTime() - nLastClear > 10 * 60 && vNodes.size() >= 3)
+ {
+ nLastClear = GetTime();
+ CRITICAL_BLOCK(cs_mapAddresses)
+ {
+ CAddrDB addrdb;
+ int64 nSince = GetAdjustedTime() - 14 * 24 * 60 * 60;
+ for (map<vector<unsigned char>, CAddress>::iterator mi = mapAddresses.begin();
+ mi != mapAddresses.end();)
+ {
+ const CAddress& addr = (*mi).second;
+ if (addr.nTime < nSince)
+ {
+ if (mapAddresses.size() < 1000 || GetTime() > nLastClear + 20)
+ break;
+ addrdb.EraseAddress(addr);
+ mapAddresses.erase(mi++);
+ }
+ else
+ mi++;
+ }
+ }
+ }
//
vnThreadsRunning[3]--;
PrintException(NULL, "ThreadBitcoinMiner()");
}
- UIThreadCall(bind(CalledSetStatusBar, "", 0));
+ UIThreadCall(boost::bind(CalledSetStatusBar, "", 0));
nHPSTimerStart = 0;
if (vnThreadsRunning[3] == 0)
dHashesPerSec = 0;
printf("ThreadBitcoinMiner exiting, %d threads remaining\n", vnThreadsRunning[3]);
}
+#if defined(__GNUC__) && defined(CRYPTOPP_X86_ASM_AVAILABLE)
+void CallCPUID(int in, int& aret, int& cret)
+{
+ int a, c;
+ asm (
+ "mov %2, %%eax; " // in into eax
+ "cpuid;"
+ "mov %%eax, %0;" // eax into a
+ "mov %%ecx, %1;" // ecx into c
+ :"=r"(a),"=r"(c) /* output */
+ :"r"(in) /* input */
+ :"%eax","%ebx","%ecx","%edx" /* clobbered register */
+ );
+ aret = a;
+ cret = c;
+}
+
+bool Detect128BitSSE2()
+{
+ int a, c, nBrand;
+ CallCPUID(0, a, nBrand);
+ bool fIntel = (nBrand == 0x6c65746e); // ntel
+ bool fAMD = (nBrand == 0x444d4163); // cAMD
+
+ struct
+ {
+ unsigned int nStepping : 4;
+ unsigned int nModel : 4;
+ unsigned int nFamily : 4;
+ unsigned int nProcessorType : 2;
+ unsigned int nUnused : 2;
+ unsigned int nExtendedModel : 4;
+ unsigned int nExtendedFamily : 8;
+ }
+ cpu;
+ CallCPUID(1, a, c);
+ memcpy(&cpu, &a, sizeof(cpu));
+ int nFamily = cpu.nExtendedFamily + cpu.nFamily;
+ int nModel = cpu.nExtendedModel*16 + cpu.nModel;
+
+ // We need Intel Nehalem or AMD K10 or better for 128bit SSE2
+ // Nehalem = i3/i5/i7 and some Xeon
+ // K10 = Opterons with 4 or more cores, Phenom, Phenom II, Athlon II
+ // Intel Core i5 family 6, model 26 or 30
+ // Intel Core i7 family 6, model 26 or 30
+ // Intel Core i3 family 6, model 37
+ // AMD Phenom family 16, model 10
+ bool fUseSSE2 = ((fIntel && nFamily * 10000 + nModel >= 60026) ||
+ (fAMD && nFamily * 10000 + nModel >= 160010));
+
+ // AMD reports a lower model number in 64-bit mode
+ if (fAMD && sizeof(void*) > 4 && nFamily * 10000 + nModel >= 160000)
+ fUseSSE2 = true;
+
+ static bool fPrinted;
+ if (!fPrinted)
+ {
+ fPrinted = true;
+ printf("CPUID %08x family %d, model %d, stepping %d, fUseSSE2=%d\n", nBrand, nFamily, nModel, cpu.nStepping, fUseSSE2);
+ }
+ return fUseSSE2;
+}
+#else
+bool Detect128BitSSE2() { return false; }
+#endif
+
int FormatHashBlocks(void* pbuffer, unsigned int len)
{
unsigned char* pdata = (unsigned char*)pbuffer;
CryptoPP::SHA256::Transform((CryptoPP::word32*)pstate, (CryptoPP::word32*)pinput);
}
-static const int NPAR = 32;
-extern void Double_BlockSHA256(const void* pin, void* pout, const void* pinit, unsigned int hash[8][NPAR], const void* init2);
+//
+// ScanHash scans nonces looking for a hash with at least some zero bits.
+// It operates on big endian data. Caller does the byte reversing.
+// All input buffers are 16-byte aligned. nNonce is usually preserved
+// between calls, but periodically or if nNonce is 0xffff0000 or above,
+// the block is rebuilt and nNonce starts over at zero.
+//
+unsigned int ScanHash_CryptoPP(char* pmidstate, char* pdata, char* phash1, char* phash, unsigned int& nHashesDone)
+{
+ unsigned int& nNonce = *(unsigned int*)(pdata + 12);
+ for (;;)
+ {
+ // Crypto++ SHA-256
+ // Hash pdata using pmidstate as the starting state into
+ // preformatted buffer phash1, then hash phash1 into phash
+ nNonce++;
+ SHA256Transform(phash1, pdata, pmidstate);
+ SHA256Transform(phash, phash1, pSHA256InitState);
+
+ // Return the nonce if the hash has at least some zero bits,
+ // caller will check if it has enough to reach the target
+ if (((unsigned short*)phash)[14] == 0)
+ return nNonce;
+
+ // If nothing found after trying for a while, return -1
+ if ((nNonce & 0xffff) == 0)
+ {
+ nHashesDone = 0xffff+1;
+ return -1;
+ }
+ }
+}
+
+extern unsigned int ScanHash_4WaySSE2(char* pmidstate, char* pblock, char* phash1, char* phash, unsigned int& nHashesDone);
+
+
+
+class COrphan
+{
+public:
+ CTransaction* ptx;
+ set<uint256> setDependsOn;
+ double dPriority;
+
+ COrphan(CTransaction* ptxIn)
+ {
+ ptx = ptxIn;
+ dPriority = 0;
+ }
+
+ void print() const
+ {
+ printf("COrphan(hash=%s, dPriority=%.1f)\n", ptx->GetHash().ToString().substr(0,10).c_str(), dPriority);
+ foreach(uint256 hash, setDependsOn)
+ printf(" setDependsOn %s\n", hash.ToString().substr(0,10).c_str());
+ }
+};
+
+
+CBlock* CreateNewBlock(CReserveKey& reservekey)
+{
+ CBlockIndex* pindexPrev = pindexBest;
+
+ // Create new block
+ auto_ptr<CBlock> pblock(new CBlock());
+ if (!pblock.get())
+ return NULL;
+
+ // Create coinbase tx
+ CTransaction txNew;
+ txNew.vin.resize(1);
+ txNew.vin[0].prevout.SetNull();
+ txNew.vout.resize(1);
+ txNew.vout[0].scriptPubKey << reservekey.GetReservedKey() << OP_CHECKSIG;
+
+ // Add our coinbase tx as first transaction
+ pblock->vtx.push_back(txNew);
+
+ // Collect memory pool transactions into the block
+ int64 nFees = 0;
+ CRITICAL_BLOCK(cs_main)
+ CRITICAL_BLOCK(cs_mapTransactions)
+ {
+ CTxDB txdb("r");
+
+ // Priority order to process transactions
+ list<COrphan> vOrphan; // list memory doesn't move
+ map<uint256, vector<COrphan*> > mapDependers;
+ multimap<double, CTransaction*> mapPriority;
+ for (map<uint256, CTransaction>::iterator mi = mapTransactions.begin(); mi != mapTransactions.end(); ++mi)
+ {
+ CTransaction& tx = (*mi).second;
+ if (tx.IsCoinBase() || !tx.IsFinal())
+ continue;
+
+ COrphan* porphan = NULL;
+ double dPriority = 0;
+ foreach(const CTxIn& txin, tx.vin)
+ {
+ // Read prev transaction
+ CTransaction txPrev;
+ CTxIndex txindex;
+ if (!txPrev.ReadFromDisk(txdb, txin.prevout, txindex))
+ {
+ // Has to wait for dependencies
+ if (!porphan)
+ {
+ // Use list for automatic deletion
+ vOrphan.push_back(COrphan(&tx));
+ porphan = &vOrphan.back();
+ }
+ mapDependers[txin.prevout.hash].push_back(porphan);
+ porphan->setDependsOn.insert(txin.prevout.hash);
+ continue;
+ }
+ int64 nValueIn = txPrev.vout[txin.prevout.n].nValue;
+
+ // Read block header
+ int nConf = txindex.GetDepthInMainChain();
+
+ dPriority += (double)nValueIn * nConf;
+
+ if (fDebug && GetBoolArg("-printpriority"))
+ printf("priority nValueIn=%-12I64d nConf=%-5d dPriority=%-20.1f\n", nValueIn, nConf, dPriority);
+ }
+
+ // Priority is sum(valuein * age) / txsize
+ dPriority /= ::GetSerializeSize(tx, SER_NETWORK);
+
+ if (porphan)
+ porphan->dPriority = dPriority;
+ else
+ mapPriority.insert(make_pair(-dPriority, &(*mi).second));
+
+ if (fDebug && GetBoolArg("-printpriority"))
+ {
+ printf("priority %-20.1f %s\n%s", dPriority, tx.GetHash().ToString().substr(0,10).c_str(), tx.ToString().c_str());
+ if (porphan)
+ porphan->print();
+ printf("\n");
+ }
+ }
+
+ // Collect transactions into block
+ map<uint256, CTxIndex> mapTestPool;
+ uint64 nBlockSize = 1000;
+ int nBlockSigOps = 100;
+ while (!mapPriority.empty())
+ {
+ // Take highest priority transaction off priority queue
+ double dPriority = -(*mapPriority.begin()).first;
+ CTransaction& tx = *(*mapPriority.begin()).second;
+ mapPriority.erase(mapPriority.begin());
+
+ // Size limits
+ 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);
+
+ // 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))
+ continue;
+ swap(mapTestPool, mapTestPoolTmp);
+
+ // Added
+ pblock->vtx.push_back(tx);
+ nBlockSize += nTxSize;
+ nBlockSigOps += nTxSigOps;
+
+ // Add transactions that depend on this one to the priority queue
+ uint256 hash = tx.GetHash();
+ if (mapDependers.count(hash))
+ {
+ foreach(COrphan* porphan, mapDependers[hash])
+ {
+ if (!porphan->setDependsOn.empty())
+ {
+ porphan->setDependsOn.erase(hash);
+ if (porphan->setDependsOn.empty())
+ mapPriority.insert(make_pair(-porphan->dPriority, porphan->ptx));
+ }
+ }
+ }
+ }
+ }
+ pblock->vtx[0].vout[0].nValue = GetBlockValue(pindexPrev->nHeight+1, nFees);
+
+ // Fill in header
+ pblock->hashPrevBlock = pindexPrev->GetBlockHash();
+ pblock->hashMerkleRoot = pblock->BuildMerkleTree();
+ pblock->nTime = max(pindexPrev->GetMedianTimePast()+1, GetAdjustedTime());
+ pblock->nBits = GetNextWorkRequired(pindexPrev);
+ pblock->nNonce = 0;
+
+ return pblock.release();
+}
+
+
+void IncrementExtraNonce(CBlock* pblock, CBlockIndex* pindexPrev, unsigned int& nExtraNonce, int64& nPrevTime)
+{
+ // Update nExtraNonce
+ int64 nNow = max(pindexPrev->GetMedianTimePast()+1, GetAdjustedTime());
+ if (++nExtraNonce >= 0x7f && nNow > nPrevTime+1)
+ {
+ nExtraNonce = 1;
+ nPrevTime = nNow;
+ }
+ pblock->vtx[0].vin[0].scriptSig = CScript() << pblock->nBits << CBigNum(nExtraNonce);
+ pblock->hashMerkleRoot = pblock->BuildMerkleTree();
+}
+
+
+void FormatHashBuffers(CBlock* pblock, char* pmidstate, char* pdata, char* phash1)
+{
+ //
+ // Prebuild hash buffers
+ //
+ struct
+ {
+ struct unnamed2
+ {
+ int nVersion;
+ uint256 hashPrevBlock;
+ uint256 hashMerkleRoot;
+ unsigned int nTime;
+ unsigned int nBits;
+ unsigned int nNonce;
+ }
+ block;
+ unsigned char pchPadding0[64];
+ uint256 hash1;
+ unsigned char pchPadding1[64];
+ }
+ tmp;
+ memset(&tmp, 0, sizeof(tmp));
+
+ tmp.block.nVersion = pblock->nVersion;
+ tmp.block.hashPrevBlock = pblock->hashPrevBlock;
+ tmp.block.hashMerkleRoot = pblock->hashMerkleRoot;
+ tmp.block.nTime = pblock->nTime;
+ tmp.block.nBits = pblock->nBits;
+ tmp.block.nNonce = pblock->nNonce;
+
+ FormatHashBlocks(&tmp.block, sizeof(tmp.block));
+ FormatHashBlocks(&tmp.hash1, sizeof(tmp.hash1));
+
+ // Byte swap all the input buffer
+ for (int i = 0; i < sizeof(tmp)/4; i++)
+ ((unsigned int*)&tmp)[i] = ByteReverse(((unsigned int*)&tmp)[i]);
+
+ // Precalc the first half of the first hash, which stays constant
+ SHA256Transform(pmidstate, &tmp.block, pSHA256InitState);
+
+ memcpy(pdata, &tmp.block, 128);
+ memcpy(phash1, &tmp.hash1, 64);
+}
+
+
+bool CheckWork(CBlock* pblock, CReserveKey& reservekey)
+{
+ uint256 hash = pblock->GetHash();
+ uint256 hashTarget = CBigNum().SetCompact(pblock->nBits).getuint256();
+
+ if (hash > hashTarget)
+ return false;
+
+ //// debug print
+ printf("BitcoinMiner:\n");
+ printf("proof-of-work found \n hash: %s \ntarget: %s\n", hash.GetHex().c_str(), hashTarget.GetHex().c_str());
+ pblock->print();
+ printf("%s ", DateTimeStrFormat("%x %H:%M", GetTime()).c_str());
+ printf("generated %s\n", FormatMoney(pblock->vtx[0].vout[0].nValue).c_str());
+
+ // Found a solution
+ CRITICAL_BLOCK(cs_main)
+ {
+ if (pblock->hashPrevBlock != hashBestChain)
+ return error("BitcoinMiner : generated block is stale");
+
+ // Remove key from key pool
+ reservekey.KeepKey();
+ // Track how many getdata requests this block gets
+ CRITICAL_BLOCK(cs_mapRequestCount)
+ mapRequestCount[pblock->GetHash()] = 0;
+
+ // Process this block the same as if we had received it from another node
+ if (!ProcessBlock(NULL, pblock))
+ return error("BitcoinMiner : ProcessBlock, block not accepted");
+ }
+ Sleep(2000);
+ return true;
+}
void BitcoinMiner()
{
printf("BitcoinMiner started\n");
SetThreadPriority(THREAD_PRIORITY_LOWEST);
+ bool f4WaySSE2 = Detect128BitSSE2();
+ if (mapArgs.count("-4way"))
+ f4WaySSE2 = GetBoolArg("-4way");
+
+ // Each thread has its own key and counter
+ CReserveKey reservekey;
+ unsigned int nExtraNonce = 0;
+ int64 nPrevTime = 0;
- CKey key;
- key.MakeNewKey();
- CBigNum bnExtraNonce = 0;
while (fGenerateBitcoins)
{
- Sleep(50);
+ if (AffinityBugWorkaround(ThreadBitcoinMiner))
+ return;
if (fShutdown)
return;
while (vNodes.empty() || IsInitialBlockDownload())
return;
}
- unsigned int nTransactionsUpdatedLast = nTransactionsUpdated;
- CBlockIndex* pindexPrev = pindexBest;
- unsigned int nBits = GetNextWorkRequired(pindexPrev);
-
-
- //
- // Create coinbase tx
- //
- CTransaction txNew;
- txNew.vin.resize(1);
- txNew.vin[0].prevout.SetNull();
- txNew.vin[0].scriptSig << nBits << ++bnExtraNonce;
- txNew.vout.resize(1);
- txNew.vout[0].scriptPubKey << key.GetPubKey() << OP_CHECKSIG;
-
//
// Create new block
//
- auto_ptr<CBlock> pblock(new CBlock());
+ unsigned int nTransactionsUpdatedLast = nTransactionsUpdated;
+ CBlockIndex* pindexPrev = pindexBest;
+
+ auto_ptr<CBlock> pblock(CreateNewBlock(reservekey));
if (!pblock.get())
return;
+ IncrementExtraNonce(pblock.get(), pindexPrev, nExtraNonce, nPrevTime);
- // Add our coinbase tx as first transaction
- pblock->vtx.push_back(txNew);
-
- // Collect the latest transactions into the block
- int64 nFees = 0;
- CRITICAL_BLOCK(cs_main)
- CRITICAL_BLOCK(cs_mapTransactions)
- {
- CTxDB txdb("r");
- map<uint256, CTxIndex> mapTestPool;
- vector<char> vfAlreadyAdded(mapTransactions.size());
- bool fFoundSomething = true;
- unsigned int nBlockSize = 0;
- while (fFoundSomething && nBlockSize < MAX_SIZE/2)
- {
- fFoundSomething = false;
- unsigned int n = 0;
- for (map<uint256, CTransaction>::iterator mi = mapTransactions.begin(); mi != mapTransactions.end(); ++mi, ++n)
- {
- if (vfAlreadyAdded[n])
- continue;
- CTransaction& tx = (*mi).second;
- if (tx.IsCoinBase() || !tx.IsFinal())
- continue;
- unsigned int nTxSize = ::GetSerializeSize(tx, SER_NETWORK);
- if (nBlockSize + nTxSize >= MAX_BLOCK_SIZE - 10000)
- continue;
-
- // Transaction fee based on block size
- int64 nMinFee = tx.GetMinFee(nBlockSize);
-
- map<uint256, CTxIndex> mapTestPoolTmp(mapTestPool);
- if (!tx.ConnectInputs(txdb, mapTestPoolTmp, CDiskTxPos(1,1,1), pindexPrev, nFees, false, true, nMinFee))
- continue;
- swap(mapTestPool, mapTestPoolTmp);
-
- pblock->vtx.push_back(tx);
- nBlockSize += nTxSize;
- vfAlreadyAdded[n] = true;
- fFoundSomething = true;
- }
- }
- }
- pblock->nBits = nBits;
- pblock->vtx[0].vout[0].nValue = pblock->GetBlockValue(pindexPrev->nHeight+1, nFees);
printf("Running BitcoinMiner with %d transactions in block\n", pblock->vtx.size());
//
- // Prebuild hash buffer
+ // Prebuild hash buffers
//
- struct tmpworkspace
- {
- struct unnamed2
- {
- int nVersion;
- uint256 hashPrevBlock;
- uint256 hashMerkleRoot;
- unsigned int nTime;
- unsigned int nBits;
- unsigned int nNonce;
- }
- block;
- unsigned char pchPadding0[64];
- uint256 hash1;
- unsigned char pchPadding1[64];
- };
- char tmpbuf[sizeof(tmpworkspace)+16];
- tmpworkspace& tmp = *(tmpworkspace*)alignup<16>(tmpbuf);
-
- tmp.block.nVersion = pblock->nVersion;
- tmp.block.hashPrevBlock = pblock->hashPrevBlock = (pindexPrev ? pindexPrev->GetBlockHash() : 0);
- tmp.block.hashMerkleRoot = pblock->hashMerkleRoot = pblock->BuildMerkleTree();
- tmp.block.nTime = pblock->nTime = max((pindexPrev ? pindexPrev->GetMedianTimePast()+1 : 0), GetAdjustedTime());
- tmp.block.nBits = pblock->nBits = nBits;
- tmp.block.nNonce = pblock->nNonce = 0;
-
- unsigned int nBlocks0 = FormatHashBlocks(&tmp.block, sizeof(tmp.block));
- unsigned int nBlocks1 = FormatHashBlocks(&tmp.hash1, sizeof(tmp.hash1));
+ char pmidstatebuf[32+16]; char* pmidstate = alignup<16>(pmidstatebuf);
+ char pdatabuf[128+16]; char* pdata = alignup<16>(pdatabuf);
+ char phash1buf[64+16]; char* phash1 = alignup<16>(phash1buf);
- // Byte swap all the input buffer
- for (int i = 0; i < sizeof(tmp)/4; i++)
- ((unsigned int*)&tmp)[i] = ByteReverse(((unsigned int*)&tmp)[i]);
+ FormatHashBuffers(pblock.get(), pmidstate, pdata, phash1);
- // Precalc the first half of the first hash, which stays constant
- uint256 midstatebuf[2];
- uint256& midstate = *alignup<16>(midstatebuf);
- SHA256Transform(&midstate, &tmp.block, pSHA256InitState);
+ unsigned int& nBlockTime = *(unsigned int*)(pdata + 64 + 4);
+ unsigned int& nBlockNonce = *(unsigned int*)(pdata + 64 + 12);
//
// Search
//
- bool f4WaySSE2 = mapArgs.count("-4way");
int64 nStart = GetTime();
uint256 hashTarget = CBigNum().SetCompact(pblock->nBits).getuint256();
uint256 hashbuf[2];
uint256& hash = *alignup<16>(hashbuf);
loop
{
+ unsigned int nHashesDone = 0;
+ unsigned int nNonceFound;
+
#ifdef FOURWAYSSE2
if (f4WaySSE2)
- {
- // tcatm's 4-way SSE2 SHA-256
- tmp.block.nNonce += NPAR;
- unsigned int thashbuf[9][NPAR];
- unsigned int (&thash)[9][NPAR] = *alignup<16>(&thashbuf);
- Double_BlockSHA256((char*)&tmp.block + 64, &tmp.hash1, &midstate, thash, pSHA256InitState);
- ((unsigned short*)&hash)[14] = 0xffff;
- for (int j = 0; j < NPAR; j++)
- {
- if (thash[7][j] == 0)
- {
- for (int i = 0; i < sizeof(hash)/4; i++)
- ((unsigned int*)&hash)[i] = thash[i][j];
- pblock->nNonce = ByteReverse(tmp.block.nNonce + j);
- }
- }
- }
+ // tcatm's 4-way 128-bit SSE2 SHA-256
+ nNonceFound = ScanHash_4WaySSE2(pmidstate, pdata + 64, phash1, (char*)&hash, nHashesDone);
else
#endif
- {
// Crypto++ SHA-256
- tmp.block.nNonce++;
- SHA256Transform(&tmp.hash1, (char*)&tmp.block + 64, &midstate);
- SHA256Transform(&hash, &tmp.hash1, pSHA256InitState);
- }
+ nNonceFound = ScanHash_CryptoPP(pmidstate, pdata + 64, phash1, (char*)&hash, nHashesDone);
- if (((unsigned short*)&hash)[14] == 0)
+ // Check if something found
+ if (nNonceFound != -1)
{
- // Byte swap the result after preliminary check
for (int i = 0; i < sizeof(hash)/4; i++)
((unsigned int*)&hash)[i] = ByteReverse(((unsigned int*)&hash)[i]);
if (hash <= hashTarget)
{
-#ifdef FOURWAYSSE2
- if (!f4WaySSE2)
-#endif
- pblock->nNonce = ByteReverse(tmp.block.nNonce);
+ // Found a solution
+ pblock->nNonce = ByteReverse(nNonceFound);
assert(hash == pblock->GetHash());
- //// debug print
- printf("BitcoinMiner:\n");
- printf("proof-of-work found \n hash: %s \ntarget: %s\n", hash.GetHex().c_str(), hashTarget.GetHex().c_str());
- pblock->print();
- printf("%s ", DateTimeStrFormat("%x %H:%M", GetTime()).c_str());
- printf("generated %s\n", FormatMoney(pblock->vtx[0].vout[0].nValue).c_str());
-
SetThreadPriority(THREAD_PRIORITY_NORMAL);
- CRITICAL_BLOCK(cs_main)
- {
- if (pindexPrev == pindexBest)
- {
- // Save key
- if (!AddKey(key))
- return;
- key.MakeNewKey();
-
- // Track how many getdata requests this block gets
- CRITICAL_BLOCK(cs_mapRequestCount)
- mapRequestCount[pblock->GetHash()] = 0;
-
- // Process this block the same as if we had received it from another node
- if (!ProcessBlock(NULL, pblock.release()))
- printf("ERROR in BitcoinMiner, ProcessBlock, block not accepted\n");
- }
- }
+ CheckWork(pblock.get(), reservekey);
SetThreadPriority(THREAD_PRIORITY_LOWEST);
-
- Sleep(500);
break;
}
}
- // Update nTime every few seconds
- const unsigned int nMask = 0xffff;
- const int nHashesPerCycle = (nMask+1);
- if ((tmp.block.nNonce & nMask) == 0)
+ // Meter hashes/sec
+ static int64 nHashCounter;
+ if (nHPSTimerStart == 0)
{
- // Meter hashes/sec
- static int nCycleCounter;
- if (nHPSTimerStart == 0)
- {
- nHPSTimerStart = GetTimeMillis();
- nCycleCounter = 0;
- }
- else
- nCycleCounter++;
- if (GetTimeMillis() - nHPSTimerStart > 4000)
+ nHPSTimerStart = GetTimeMillis();
+ nHashCounter = 0;
+ }
+ else
+ nHashCounter += nHashesDone;
+ if (GetTimeMillis() - nHPSTimerStart > 4000)
+ {
+ static CCriticalSection cs;
+ CRITICAL_BLOCK(cs)
{
- static CCriticalSection cs;
- CRITICAL_BLOCK(cs)
+ if (GetTimeMillis() - nHPSTimerStart > 4000)
{
- if (GetTimeMillis() - nHPSTimerStart > 4000)
+ dHashesPerSec = 1000.0 * nHashCounter / (GetTimeMillis() - nHPSTimerStart);
+ nHPSTimerStart = GetTimeMillis();
+ nHashCounter = 0;
+ string strStatus = strprintf(" %.0f khash/s", dHashesPerSec/1000.0);
+ UIThreadCall(boost::bind(CalledSetStatusBar, strStatus, 0));
+ static int64 nLogTime;
+ if (GetTime() - nLogTime > 30 * 60)
{
- dHashesPerSec = 1000.0 * nHashesPerCycle * nCycleCounter / (GetTimeMillis() - nHPSTimerStart);
- nHPSTimerStart = GetTimeMillis();
- nCycleCounter = 0;
- string strStatus = strprintf(" %.0f khash/s", dHashesPerSec/1000.0);
- UIThreadCall(bind(CalledSetStatusBar, strStatus, 0));
- static int64 nLogTime;
- if (GetTime() - nLogTime > 30 * 60)
- {
- nLogTime = GetTime();
- printf("%s ", DateTimeStrFormat("%x %H:%M", GetTime()).c_str());
- printf("hashmeter %3d CPUs %6.0f khash/s\n", vnThreadsRunning[3], dHashesPerSec/1000.0);
- }
+ nLogTime = GetTime();
+ printf("%s ", DateTimeStrFormat("%x %H:%M", GetTime()).c_str());
+ printf("hashmeter %3d CPUs %6.0f khash/s\n", vnThreadsRunning[3], dHashesPerSec/1000.0);
}
}
}
+ }
- // Check for stop or if block needs to be rebuilt
- if (fShutdown)
- return;
- if (!fGenerateBitcoins)
- return;
- if (fLimitProcessors && vnThreadsRunning[3] > nLimitProcessors)
- return;
- if (vNodes.empty())
- break;
- if (tmp.block.nNonce == 0)
- break;
- if (nTransactionsUpdated != nTransactionsUpdatedLast && GetTime() - nStart > 60)
- break;
- if (pindexPrev != pindexBest)
- break;
+ // Check for stop or if block needs to be rebuilt
+ if (fShutdown)
+ return;
+ if (!fGenerateBitcoins)
+ return;
+ if (fLimitProcessors && vnThreadsRunning[3] > nLimitProcessors)
+ return;
+ if (vNodes.empty())
+ break;
+ if (nBlockNonce >= 0xffff0000)
+ break;
+ if (nTransactionsUpdated != nTransactionsUpdatedLast && GetTime() - nStart > 60)
+ break;
+ if (pindexPrev != pindexBest)
+ break;
- pblock->nTime = max(pindexPrev->GetMedianTimePast()+1, GetAdjustedTime());
- tmp.block.nTime = ByteReverse(pblock->nTime);
- }
+ // Update nTime every few seconds
+ pblock->nTime = max(pindexPrev->GetMedianTimePast()+1, GetAdjustedTime());
+ nBlockTime = ByteReverse(pblock->nTime);
}
}
}
for (map<uint256, CWalletTx>::iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
{
CWalletTx* pcoin = &(*it).second;
- if (!pcoin->IsFinal() || pcoin->fSpent)
+ if (!pcoin->IsFinal() || !pcoin->IsConfirmed())
continue;
- nTotal += pcoin->GetCredit(true);
+ nTotal += pcoin->GetAvailableCredit();
}
}
}
-int GetRandInt(int nMax)
-{
- return GetRand(nMax);
-}
-
-bool SelectCoins(int64 nTargetValue, set<CWalletTx*>& setCoinsRet)
+bool SelectCoinsMinConf(int64 nTargetValue, int nConfMine, int nConfTheirs, set<pair<CWalletTx*,unsigned int> >& setCoinsRet, int64& nValueRet)
{
setCoinsRet.clear();
+ nValueRet = 0;
// List of values less than target
- int64 nLowestLarger = INT64_MAX;
- CWalletTx* pcoinLowestLarger = NULL;
- vector<pair<int64, CWalletTx*> > vValue;
+ pair<int64, pair<CWalletTx*,unsigned int> > coinLowestLarger;
+ coinLowestLarger.first = INT64_MAX;
+ coinLowestLarger.second.first = NULL;
+ vector<pair<int64, pair<CWalletTx*,unsigned int> > > vValue;
int64 nTotalLower = 0;
CRITICAL_BLOCK(cs_mapWallet)
foreach(CWalletTx* pcoin, vCoins)
{
- if (!pcoin->IsFinal() || pcoin->fSpent)
+ if (!pcoin->IsFinal() || !pcoin->IsConfirmed())
continue;
- int64 n = pcoin->GetCredit();
- if (n <= 0)
+
+ if (pcoin->IsCoinBase() && pcoin->GetBlocksToMaturity() > 0)
continue;
- if (n < nTargetValue)
- {
- vValue.push_back(make_pair(n, pcoin));
- nTotalLower += n;
- }
- else if (n == nTargetValue)
- {
- setCoinsRet.insert(pcoin);
- return true;
- }
- else if (n < nLowestLarger)
+
+ int nDepth = pcoin->GetDepthInMainChain();
+ if (nDepth < (pcoin->IsFromMe() ? nConfMine : nConfTheirs))
+ continue;
+
+ for (int i = 0; i < pcoin->vout.size(); i++)
{
- nLowestLarger = n;
- pcoinLowestLarger = pcoin;
+ if (pcoin->IsSpent(i) || !pcoin->vout[i].IsMine())
+ continue;
+
+ int64 n = pcoin->vout[i].nValue;
+
+ if (n <= 0)
+ continue;
+
+ pair<int64,pair<CWalletTx*,unsigned int> > coin = make_pair(n,make_pair(pcoin,i));
+
+ if (n == nTargetValue)
+ {
+ setCoinsRet.insert(coin.second);
+ nValueRet += coin.first;
+ return true;
+ }
+ else if (n < nTargetValue + CENT)
+ {
+ vValue.push_back(coin);
+ nTotalLower += n;
+ }
+ else if (n < coinLowestLarger.first)
+ {
+ coinLowestLarger = coin;
+ }
}
}
}
- if (nTotalLower < nTargetValue)
+ if (nTotalLower == nTargetValue || nTotalLower == nTargetValue + CENT)
+ {
+ for (int i = 0; i < vValue.size(); ++i)
+ {
+ setCoinsRet.insert(vValue[i].second);
+ nValueRet += vValue[i].first;
+ }
+ return true;
+ }
+
+ if (nTotalLower < nTargetValue + (coinLowestLarger.second.first ? CENT : 0))
{
- if (pcoinLowestLarger == NULL)
+ if (coinLowestLarger.second.first == NULL)
return false;
- setCoinsRet.insert(pcoinLowestLarger);
+ setCoinsRet.insert(coinLowestLarger.second);
+ nValueRet += coinLowestLarger.first;
return true;
}
+ if (nTotalLower >= nTargetValue + CENT)
+ nTargetValue += CENT;
+
// Solve subset sum by stochastic approximation
sort(vValue.rbegin(), vValue.rend());
vector<char> vfIncluded;
}
// If the next larger is still closer, return it
- if (pcoinLowestLarger && nLowestLarger - nTargetValue <= nBest - nTargetValue)
- setCoinsRet.insert(pcoinLowestLarger);
- else
+ if (coinLowestLarger.second.first && coinLowestLarger.first - nTargetValue <= nBest - nTargetValue)
{
+ setCoinsRet.insert(coinLowestLarger.second);
+ nValueRet += coinLowestLarger.first;
+ }
+ else {
for (int i = 0; i < vValue.size(); i++)
if (vfBest[i])
+ {
setCoinsRet.insert(vValue[i].second);
+ nValueRet += vValue[i].first;
+ }
//// debug print
printf("SelectCoins() best subset: ");
return true;
}
+bool SelectCoins(int64 nTargetValue, set<pair<CWalletTx*,unsigned int> >& setCoinsRet, int64& nValueRet)
+{
+ return (SelectCoinsMinConf(nTargetValue, 1, 6, setCoinsRet, nValueRet) ||
+ SelectCoinsMinConf(nTargetValue, 1, 1, setCoinsRet, nValueRet) ||
+ SelectCoinsMinConf(nTargetValue, 0, 1, setCoinsRet, nValueRet));
+}
+
-bool CreateTransaction(CScript scriptPubKey, int64 nValue, CWalletTx& wtxNew, CKey& keyRet, int64& nFeeRequiredRet)
+bool CreateTransaction(const vector<pair<CScript, int64> >& vecSend, CWalletTx& wtxNew, CReserveKey& reservekey, int64& nFeeRet)
{
- nFeeRequiredRet = 0;
+ int64 nValue = 0;
+ foreach (const PAIRTYPE(CScript, int64)& s, vecSend)
+ {
+ if (nValue < 0)
+ return false;
+ nValue += s.second;
+ }
+ if (vecSend.empty() || nValue < 0)
+ return false;
+
CRITICAL_BLOCK(cs_main)
{
// txdb must be opened before the mapWallet lock
CTxDB txdb("r");
CRITICAL_BLOCK(cs_mapWallet)
{
- int64 nFee = nTransactionFee;
+ nFeeRet = nTransactionFee;
loop
{
wtxNew.vin.clear();
wtxNew.vout.clear();
wtxNew.fFromMe = true;
- if (nValue < 0)
- return false;
- int64 nValueOut = nValue;
- int64 nTotalValue = nValue + nFee;
+
+ int64 nTotalValue = nValue + nFeeRet;
+ double dPriority = 0;
+ // vouts to the payees
+ foreach (const PAIRTYPE(CScript, int64)& s, vecSend)
+ wtxNew.vout.push_back(CTxOut(s.second, s.first));
// Choose coins to use
- set<CWalletTx*> setCoins;
- if (!SelectCoins(nTotalValue, setCoins))
- return false;
+ set<pair<CWalletTx*,unsigned int> > setCoins;
int64 nValueIn = 0;
- foreach(CWalletTx* pcoin, setCoins)
- nValueIn += pcoin->GetCredit();
-
- // Fill a vout to the payee
- bool fChangeFirst = GetRand(2);
- if (!fChangeFirst)
- wtxNew.vout.push_back(CTxOut(nValueOut, scriptPubKey));
+ if (!SelectCoins(nTotalValue, setCoins, nValueIn))
+ return false;
+ foreach(PAIRTYPE(CWalletTx*, unsigned int) pcoin, setCoins)
+ {
+ int64 nCredit = pcoin.first->vout[pcoin.second].nValue;
+ dPriority += (double)nCredit * pcoin.first->GetDepthInMainChain();
+ }
// Fill a vout back to self with any change
- if (nValueIn > nTotalValue)
+ int64 nChange = nValueIn - nTotalValue;
+ if (nChange >= CENT)
{
// Note: We use a new key here to keep it from being obvious which side is the change.
// The drawback is that by not reusing a previous key, the change may be lost if a
// rediscover unknown transactions that were written with keys of ours to recover
// post-backup change.
- // New private key
- if (keyRet.IsNull())
- keyRet.MakeNewKey();
+ // Reserve a new key pair from key pool
+ vector<unsigned char> vchPubKey = reservekey.GetReservedKey();
+ assert(mapKeys.count(vchPubKey));
// Fill a vout to ourself, using same address type as the payment
CScript scriptChange;
- if (scriptPubKey.GetBitcoinAddressHash160() != 0)
- scriptChange.SetBitcoinAddress(keyRet.GetPubKey());
+ if (vecSend[0].first.GetBitcoinAddressHash160() != 0)
+ scriptChange.SetBitcoinAddress(vchPubKey);
else
- scriptChange << keyRet.GetPubKey() << OP_CHECKSIG;
- wtxNew.vout.push_back(CTxOut(nValueIn - nTotalValue, scriptChange));
- }
+ scriptChange << vchPubKey << OP_CHECKSIG;
- // Fill a vout to the payee
- if (fChangeFirst)
- wtxNew.vout.push_back(CTxOut(nValueOut, scriptPubKey));
+ // Insert change txn at random position:
+ vector<CTxOut>::iterator position = wtxNew.vout.begin()+GetRandInt(wtxNew.vout.size());
+ wtxNew.vout.insert(position, CTxOut(nChange, scriptChange));
+ }
+ else
+ reservekey.ReturnKey();
// Fill vin
- foreach(CWalletTx* pcoin, setCoins)
- for (int nOut = 0; nOut < pcoin->vout.size(); nOut++)
- if (pcoin->vout[nOut].IsMine())
- wtxNew.vin.push_back(CTxIn(pcoin->GetHash(), nOut));
+ foreach(const PAIRTYPE(CWalletTx*,unsigned int)& coin, setCoins)
+ wtxNew.vin.push_back(CTxIn(coin.first->GetHash(),coin.second));
// Sign
int nIn = 0;
- foreach(CWalletTx* pcoin, setCoins)
- for (int nOut = 0; nOut < pcoin->vout.size(); nOut++)
- if (pcoin->vout[nOut].IsMine())
- if (!SignSignature(*pcoin, wtxNew, nIn++))
- return false;
+ foreach(const PAIRTYPE(CWalletTx*,unsigned int)& coin, setCoins)
+ if (!SignSignature(*coin.first, wtxNew, nIn++))
+ return false;
+
+ // Limit size
+ unsigned int nBytes = ::GetSerializeSize(*(CTransaction*)&wtxNew, SER_NETWORK);
+ if (nBytes >= MAX_BLOCK_SIZE_GEN/5)
+ return false;
+ dPriority /= nBytes;
// Check that enough fee is included
- if (nFee < wtxNew.GetMinFee())
+ int64 nPayFee = nTransactionFee * (1 + (int64)nBytes / 1000);
+ bool fAllowFree = CTransaction::AllowFree(dPriority);
+ int64 nMinFee = wtxNew.GetMinFee(1, fAllowFree);
+ if (nFeeRet < max(nPayFee, nMinFee))
{
- nFee = nFeeRequiredRet = wtxNew.GetMinFee();
+ nFeeRet = max(nPayFee, nMinFee);
continue;
}
return true;
}
+bool CreateTransaction(CScript scriptPubKey, int64 nValue, CWalletTx& wtxNew, CReserveKey& reservekey, int64& nFeeRet)
+{
+ vector< pair<CScript, int64> > vecSend;
+ vecSend.push_back(make_pair(scriptPubKey, nValue));
+ return CreateTransaction(vecSend, wtxNew, reservekey, nFeeRet);
+}
+
// Call after CreateTransaction unless you want to abort
-bool CommitTransaction(CWalletTx& wtxNew, const CKey& key)
+bool CommitTransaction(CWalletTx& wtxNew, CReserveKey& reservekey)
{
CRITICAL_BLOCK(cs_main)
{
// maybe makes sense; please don't do it anywhere else.
CWalletDB walletdb("r");
- // Add the change's private key to wallet
- if (!key.IsNull() && !AddKey(key))
- throw runtime_error("CommitTransaction() : AddKey failed\n");
+ // Take key pair from key pool so it won't be used again
+ reservekey.KeepKey();
// Add tx to wallet, because if it has change it's also ours,
// otherwise just for transaction history.
// Mark old coins as spent
set<CWalletTx*> setCoins;
foreach(const CTxIn& txin, wtxNew.vin)
- setCoins.insert(&mapWallet[txin.prevout.hash]);
- foreach(CWalletTx* pcoin, setCoins)
{
- pcoin->fSpent = true;
- pcoin->WriteToDisk();
- vWalletUpdated.push_back(pcoin->GetHash());
+ CWalletTx &pcoin = mapWallet[txin.prevout.hash];
+ pcoin.MarkSpent(txin.prevout.n);
+ pcoin.WriteToDisk();
+ vWalletUpdated.push_back(pcoin.GetHash());
}
}
mapRequestCount[wtxNew.GetHash()] = 0;
// Broadcast
- if (!wtxNew.AcceptTransaction())
+ if (!wtxNew.AcceptToMemoryPool())
{
// This must not fail. The transaction has already been signed and recorded.
printf("CommitTransaction() : Error: Transaction not valid");
+// requires cs_main lock
string SendMoney(CScript scriptPubKey, int64 nValue, CWalletTx& wtxNew, bool fAskFee)
{
- CRITICAL_BLOCK(cs_main)
+ CReserveKey reservekey;
+ int64 nFeeRequired;
+ if (!CreateTransaction(scriptPubKey, nValue, wtxNew, reservekey, nFeeRequired))
{
- CKey key;
- int64 nFeeRequired;
- if (!CreateTransaction(scriptPubKey, nValue, wtxNew, key, nFeeRequired))
- {
- string strError;
- if (nValue + nFeeRequired > GetBalance())
- strError = strprintf(_("Error: This is an oversized transaction that requires a transaction fee of %s "), FormatMoney(nFeeRequired).c_str());
- else
- strError = _("Error: Transaction creation failed ");
- printf("SendMoney() : %s", strError.c_str());
- return strError;
- }
+ string strError;
+ if (nValue + nFeeRequired > GetBalance())
+ strError = strprintf(_("Error: This transaction requires a transaction fee of at least %s because of its amount, complexity, or use of recently received funds "), FormatMoney(nFeeRequired).c_str());
+ else
+ strError = _("Error: Transaction creation failed ");
+ printf("SendMoney() : %s", strError.c_str());
+ return strError;
+ }
- if (fAskFee && !ThreadSafeAskFee(nFeeRequired, _("Sending..."), NULL))
- return "ABORTED";
+ if (fAskFee && !ThreadSafeAskFee(nFeeRequired, _("Sending..."), NULL))
+ return "ABORTED";
+
+ if (!CommitTransaction(wtxNew, reservekey))
+ return _("Error: The transaction was rejected. This might happen if some of the coins in your wallet were already spent, such as if you used a copy of wallet.dat and coins were spent in the copy but not marked as spent here.");
- if (!CommitTransaction(wtxNew, key))
- return _("Error: The transaction was rejected. This might happen if some of the coins in your wallet were already spent, such as if you used a copy of wallet.dat and coins were spent in the copy but not marked as spent here.");
- }
MainFrameRepaint();
return "";
}
+// requires cs_main lock
string SendMoneyToBitcoinAddress(string strAddress, int64 nValue, CWalletTx& wtxNew, bool fAskFee)
{
// Check amount
git://git.novaco.in / novacoin.git / blobdiff