#include "coincontrol.h"
#include <boost/algorithm/string/replace.hpp>
+#include "main.h"
+
using namespace std;
-extern int nStakeMaxAge;
+bool fCoinsDataActual;
+
//////////////////////////////////////////////////////////////////////////////
//
// mapWallet
return CWalletDB(strWalletFile).WriteCScript(Hash160(redeemScript), redeemScript);
}
+bool CWallet::AddWatchOnly(const CScript &dest)
+{
+ if (!CCryptoKeyStore::AddWatchOnly(dest))
+ return false;
+ nTimeFirstKey = 1; // No birthday information for watch-only keys.
+ if (!fFileBacked)
+ return true;
+ return CWalletDB(strWalletFile).WriteWatchOnly(dest);
+}
+
+bool CWallet::LoadWatchOnly(const CScript &dest)
+{
+ return CCryptoKeyStore::AddWatchOnly(dest);
+}
+
// ppcoin: optional setting to unlock wallet for block minting only;
// serves to disable the trivial sendmoney when OS account compromised
bool fWalletUnlockMintOnly = false;
wtx.MarkSpent(txin.prevout.n);
wtx.WriteToDisk();
NotifyTransactionChanged(this, txin.prevout.hash, CT_UPDATED);
+ vMintingWalletUpdated.push_back(txin.prevout.hash);
}
}
}
wtx.MarkUnspent(&txout - &tx.vout[0]);
wtx.WriteToDisk();
NotifyTransactionChanged(this, hash, CT_UPDATED);
+ vMintingWalletUpdated.push_back(hash);
}
}
}
// Notify UI of new or updated transaction
NotifyTransactionChanged(this, hash, fInsertedNew ? CT_NEW : CT_UPDATED);
-
+ vMintingWalletUpdated.push_back(hash);
// notify an external script when a wallet transaction comes in or is updated
std::string strCmd = GetArg("-walletnotify", "");
}
-bool CWallet::IsMine(const CTxIn &txin) const
+isminetype CWallet::IsMine(const CTxIn &txin) const
{
{
LOCK(cs_wallet);
{
const CWalletTx& prev = (*mi).second;
if (txin.prevout.n < prev.vout.size())
- if (IsMine(prev.vout[txin.prevout.n]))
- return true;
+ return IsMine(prev.vout[txin.prevout.n]);
}
}
- return false;
+ return MINE_NO;
}
-int64 CWallet::GetDebit(const CTxIn &txin) const
+int64 CWallet::GetDebit(const CTxIn &txin, const isminefilter& filter) const
{
{
LOCK(cs_wallet);
{
const CWalletTx& prev = (*mi).second;
if (txin.prevout.n < prev.vout.size())
- if (IsMine(prev.vout[txin.prevout.n]))
+ if (IsMine(prev.vout[txin.prevout.n]) & filter)
return prev.vout[txin.prevout.n].nValue;
}
}
bool CWallet::IsChange(const CTxOut& txout) const
{
- CTxDestination address;
-
// TODO: fix handling of 'change' outputs. The assumption is that any
- // payment to a TX_PUBKEYHASH that is mine but isn't in the address book
+ // payment to a script that is ours, but isn't in the address book
// is change. That assumption is likely to break when we implement multisignature
// wallets that return change back into a multi-signature-protected address;
// a better way of identifying which outputs are 'the send' and which are
// 'the change' will need to be implemented (maybe extend CWalletTx to remember
// which output, if any, was change).
- if (ExtractDestination(txout.scriptPubKey, address) && ::IsMine(*this, address))
+ if (::IsMine(*this, txout.scriptPubKey))
{
+ CTxDestination address;
+ if (!ExtractDestination(txout.scriptPubKey, address))
+ return true;
+
LOCK(cs_wallet);
if (!mapAddressBook.count(address))
return true;
}
void CWalletTx::GetAmounts(int64& nGeneratedImmature, int64& nGeneratedMature, list<pair<CTxDestination, int64> >& listReceived,
- list<pair<CTxDestination, int64> >& listSent, int64& nFee, string& strSentAccount) const
+ list<pair<CTxDestination, int64> >& listSent, int64& nFee, string& strSentAccount, const isminefilter& filter) const
{
nGeneratedImmature = nGeneratedMature = nFee = 0;
listReceived.clear();
if (IsCoinBase() || IsCoinStake())
{
if (GetBlocksToMaturity() > 0)
- nGeneratedImmature = pwallet->GetCredit(*this);
+ nGeneratedImmature = pwallet->GetCredit(*this, filter);
else
- nGeneratedMature = GetCredit();
+ nGeneratedMature = GetCredit(filter);
return;
}
// Compute fee:
- int64 nDebit = GetDebit();
+ int64 nDebit = GetDebit(filter);
if (nDebit > 0) // debit>0 means we signed/sent this transaction
{
int64 nValueOut = GetValueOut();
// Sent/received.
BOOST_FOREACH(const CTxOut& txout, vout)
{
+ isminetype fIsMine = pwallet->IsMine(txout);
+ // Only need to handle txouts if AT LEAST one of these is true:
+ // 1) they debit from us (sent)
+ // 2) the output is to us (received)
+ if (nDebit > 0)
+ {
+ // Don't report 'change' txouts
+ if (pwallet->IsChange(txout))
+ continue;
+ }
+ else if (!(fIsMine & filter))
+ continue;
+
+ // In either case, we need to get the destination address
CTxDestination address;
- vector<unsigned char> vchPubKey;
if (!ExtractDestination(txout.scriptPubKey, address))
{
printf("CWalletTx::GetAmounts: Unknown transaction type found, txid %s\n",
this->GetHash().ToString().c_str());
+ address = CNoDestination();
}
- // Don't report 'change' txouts
- if (nDebit > 0 && pwallet->IsChange(txout))
- continue;
-
+ // If we are debited by the transaction, add the output as a "sent" entry
if (nDebit > 0)
listSent.push_back(make_pair(address, txout.nValue));
- if (pwallet->IsMine(txout))
+ // If we are receiving the output, add it as a "received" entry
+ if (fIsMine & filter)
listReceived.push_back(make_pair(address, txout.nValue));
}
}
void CWalletTx::GetAccountAmounts(const string& strAccount, int64& nGenerated, int64& nReceived,
- int64& nSent, int64& nFee) const
+ int64& nSent, int64& nFee, const isminefilter& filter) const
{
nGenerated = nReceived = nSent = nFee = 0;
string strSentAccount;
list<pair<CTxDestination, int64> > listReceived;
list<pair<CTxDestination, int64> > listSent;
- GetAmounts(allGeneratedImmature, allGeneratedMature, listReceived, listSent, allFee, strSentAccount);
+ GetAmounts(allGeneratedImmature, allGeneratedMature, listReceived, listSent, allFee, strSentAccount, filter);
if (strAccount == "")
nGenerated = allGeneratedMature;
for (map<uint256, CWalletTx>::const_iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
{
const CWalletTx* pcoin = &(*it).second;
- if (pcoin->IsConfirmed())
+ if (pcoin->IsTrusted())
nTotal += pcoin->GetAvailableCredit();
}
}
return nTotal;
}
+int64 CWallet::GetWatchOnlyBalance() const
+{
+ int64 nTotal = 0;
+ {
+ LOCK(cs_wallet);
+ for (map<uint256, CWalletTx>::const_iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
+ {
+ const CWalletTx* pcoin = &(*it).second;
+ if (pcoin->IsTrusted())
+ nTotal += pcoin->GetAvailableWatchCredit();
+ }
+ }
+
+ return nTotal;
+}
+
int64 CWallet::GetUnconfirmedBalance() const
{
int64 nTotal = 0;
for (map<uint256, CWalletTx>::const_iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
{
const CWalletTx* pcoin = &(*it).second;
- if (!pcoin->IsFinal() || !pcoin->IsConfirmed())
+ if (!pcoin->IsFinal() || !pcoin->IsTrusted())
nTotal += pcoin->GetAvailableCredit();
}
}
return nTotal;
}
+int64 CWallet::GetUnconfirmedWatchOnlyBalance() const
+{
+ int64 nTotal = 0;
+ {
+ LOCK(cs_wallet);
+ for (map<uint256, CWalletTx>::const_iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
+ {
+ const CWalletTx* pcoin = &(*it).second;
+ if (!pcoin->IsFinal() || !pcoin->IsTrusted())
+ nTotal += pcoin->GetAvailableWatchCredit();
+ }
+ }
+ return nTotal;
+}
+
int64 CWallet::GetImmatureBalance() const
{
int64 nTotal = 0;
LOCK(cs_wallet);
for (map<uint256, CWalletTx>::const_iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
{
- const CWalletTx& pcoin = (*it).second;
- if (pcoin.IsCoinBase() && pcoin.GetBlocksToMaturity() > 0 && pcoin.IsInMainChain())
- nTotal += GetCredit(pcoin);
+ const CWalletTx* pcoin = &(*it).second;
+ nTotal += pcoin->GetImmatureCredit();
+ }
+ }
+ return nTotal;
+}
+
+int64 CWallet::GetImmatureWatchOnlyBalance() const
+{
+ int64 nTotal = 0;
+ {
+ LOCK(cs_wallet);
+ for (map<uint256, CWalletTx>::const_iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
+ {
+ const CWalletTx* pcoin = &(*it).second;
+ nTotal += pcoin->GetImmatureWatchOnlyCredit();
}
}
return nTotal;
if (!pcoin->IsFinal())
continue;
- if (fOnlyConfirmed && !pcoin->IsConfirmed())
+ if (fOnlyConfirmed && !pcoin->IsTrusted())
continue;
if (pcoin->IsCoinBase() && pcoin->GetBlocksToMaturity() > 0)
if(pcoin->IsCoinStake() && pcoin->GetBlocksToMaturity() > 0)
continue;
- for (unsigned int i = 0; i < pcoin->vout.size(); i++)
- if (!(pcoin->IsSpent(i)) && IsMine(pcoin->vout[i]) && pcoin->vout[i].nValue >= nMinimumInputValue &&
- (!coinControl || !coinControl->HasSelected() || coinControl->IsSelected((*it).first, i)))
- vCoins.push_back(COutput(pcoin, i, pcoin->GetDepthInMainChain()));
-
+ for (unsigned int i = 0; i < pcoin->vout.size(); i++) {
+ isminetype mine = IsMine(pcoin->vout[i]);
+ if (!(pcoin->IsSpent(i)) && mine != MINE_NO &&
+ pcoin->vout[i].nValue >= nMinimumInputValue &&
+ (!coinControl || !coinControl->HasSelected() || coinControl->IsSelected((*it).first, i)))
+ {
+ vCoins.push_back(COutput(pcoin, i, pcoin->GetDepthInMainChain(), mine == MINE_SPENDABLE));
+ }
+ }
}
}
}
-void CWallet::AvailableCoinsMinConf(vector<COutput>& vCoins, int nConf) const
+void CWallet::AvailableCoinsMinConf(vector<COutput>& vCoins, int nConf, int64 nMinValue, int64 nMaxValue) const
{
vCoins.clear();
if(pcoin->GetDepthInMainChain() < nConf)
continue;
- for (unsigned int i = 0; i < pcoin->vout.size(); i++)
- if (!(pcoin->IsSpent(i)) && IsMine(pcoin->vout[i]) && pcoin->vout[i].nValue >= nMinimumInputValue)
- vCoins.push_back(COutput(pcoin, i, pcoin->GetDepthInMainChain()));
+ for (unsigned int i = 0; i < pcoin->vout.size(); i++) {
+ isminetype mine = IsMine(pcoin->vout[i]);
+
+ // ignore coin if it was already spent or we don't own it
+ if (pcoin->IsSpent(i) || mine == MINE_NO)
+ continue;
+
+ // if coin value is between required limits then add new item to vector
+ if (pcoin->vout[i].nValue >= nMinValue && pcoin->vout[i].nValue < nMaxValue)
+ vCoins.push_back(COutput(pcoin, i, pcoin->GetDepthInMainChain(), mine == MINE_SPENDABLE));
+ }
}
}
}
}
}
-// ppcoin: total coins staked (non-spendable until maturity)
int64 CWallet::GetStake() const
{
int64 nTotal = 0;
{
const CWalletTx* pcoin = &(*it).second;
if (pcoin->IsCoinStake() && pcoin->GetBlocksToMaturity() > 0 && pcoin->GetDepthInMainChain() > 0)
- nTotal += CWallet::GetCredit(*pcoin);
+ nTotal += CWallet::GetCredit(*pcoin, MINE_ALL);
+ }
+ return nTotal;
+}
+
+int64 CWallet::GetWatchOnlyStake() const
+{
+ int64 nTotal = 0;
+ LOCK(cs_wallet);
+ for (map<uint256, CWalletTx>::const_iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
+ {
+ const CWalletTx* pcoin = &(*it).second;
+ if (pcoin->IsCoinStake() && pcoin->GetBlocksToMaturity() > 0 && pcoin->GetDepthInMainChain() > 0)
+ nTotal += CWallet::GetCredit(*pcoin, MINE_WATCH_ONLY);
}
return nTotal;
}
{
const CWalletTx* pcoin = &(*it).second;
if (pcoin->IsCoinBase() && pcoin->GetBlocksToMaturity() > 0 && pcoin->GetDepthInMainChain() > 0)
- nTotal += CWallet::GetCredit(*pcoin);
+ nTotal += CWallet::GetCredit(*pcoin, MINE_ALL);
+ }
+ return nTotal;
+}
+
+int64 CWallet::GetWatchOnlyNewMint() const
+{
+ int64 nTotal = 0;
+ LOCK(cs_wallet);
+ for (map<uint256, CWalletTx>::const_iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
+ {
+ const CWalletTx* pcoin = &(*it).second;
+ if (pcoin->IsCoinBase() && pcoin->GetBlocksToMaturity() > 0 && pcoin->GetDepthInMainChain() > 0)
+ nTotal += CWallet::GetCredit(*pcoin, MINE_WATCH_ONLY);
}
return nTotal;
}
random_shuffle(vCoins.begin(), vCoins.end(), GetRandInt);
- BOOST_FOREACH(COutput output, vCoins)
+ BOOST_FOREACH(const COutput &output, vCoins)
{
+ if (!output.fSpendable)
+ continue;
+
const CWalletTx *pcoin = output.tx;
- if (output.nDepth < (pcoin->IsFromMe() ? nConfMine : nConfTheirs))
+ if (output.nDepth < (pcoin->IsFromMe(MINE_ALL) ? nConfMine : nConfTheirs))
continue;
int i = output.i;
{
BOOST_FOREACH(const COutput& out, vCoins)
{
+ if(!out.fSpendable)
+ continue;
nValueRet += out.tx->vout[out.i].nValue;
setCoinsRet.insert(make_pair(out.tx, out.i));
}
}
// Select some coins without random shuffle or best subset approximation
-bool CWallet::SelectCoinsSimple(int64 nTargetValue, unsigned int nSpendTime, int nMinConf, set<pair<const CWalletTx*,unsigned int> >& setCoinsRet, int64& nValueRet) const
+bool CWallet::SelectCoinsSimple(int64 nTargetValue, int64 nMinValue, int64 nMaxValue, unsigned int nSpendTime, int nMinConf, set<pair<const CWalletTx*,unsigned int> >& setCoinsRet, int64& nValueRet) const
{
vector<COutput> vCoins;
- AvailableCoinsMinConf(vCoins, nMinConf);
+ AvailableCoinsMinConf(vCoins, nMinConf, nMinValue, nMaxValue);
setCoinsRet.clear();
nValueRet = 0;
BOOST_FOREACH(COutput output, vCoins)
{
+ if(!output.fSpendable)
+ continue;
const CWalletTx *pcoin = output.tx;
int i = output.i;
+ // Ignore immature coins
+ if (pcoin->GetBlocksToMaturity() > 0)
+ continue;
+
// Stop if we've chosen enough inputs
if (nValueRet >= nTargetValue)
break;
// if sub-cent change is required, the fee must be raised to at least MIN_TX_FEE
// or until nChange becomes zero
// NOTE: this depends on the exact behaviour of GetMinFee
- if (nFeeRet < MIN_TX_FEE && nChange > 0 && nChange < CENT)
+ if (wtxNew.nTime < FEE_SWITCH_TIME && !fTestNet)
{
- int64 nMoveToFee = min(nChange, MIN_TX_FEE - nFeeRet);
- nChange -= nMoveToFee;
- nFeeRet += nMoveToFee;
- }
+ if (nFeeRet < MIN_TX_FEE && nChange > 0 && nChange < CENT)
+ {
+ int64 nMoveToFee = min(nChange, MIN_TX_FEE - nFeeRet);
+ nChange -= nMoveToFee;
+ nFeeRet += nMoveToFee;
+ }
- // ppcoin: sub-cent change is moved to fee
- if (nChange > 0 && nChange < MIN_TXOUT_AMOUNT)
- {
- nFeeRet += nChange;
- nChange = 0;
+ // sub-cent change is moved to fee
+ if (nChange > 0 && nChange < CENT)
+ {
+ nFeeRet += nChange;
+ nChange = 0;
+ }
}
if (nChange > 0)
// Check that enough fee is included
int64 nPayFee = nTransactionFee * (1 + (int64)nBytes / 1000);
- int64 nMinFee = wtxNew.GetMinFee(1, false, GMF_SEND, nBytes);
+ bool fAllowFree = CTransaction::AllowFree(dPriority);
+
+ // Disable free transactions until 1 July 2014
+ if (!fTestNet && wtxNew.nTime < FEE_SWITCH_TIME)
+ {
+ fAllowFree = false;
+ }
+
+ int64 nMinFee = wtxNew.GetMinFee(1, fAllowFree, GMF_SEND, nBytes);
if (nFeeRet < max(nPayFee, nMinFee))
{
return CreateTransaction(vecSend, wtxNew, reservekey, nFeeRet, coinControl);
}
+void CWallet::GetStakeWeightFromValue(const int64& nTime, const int64& nValue, uint64& nWeight)
+{
+ int64 nTimeWeight = GetWeight(nTime, (int64)GetTime());
+
+ // If time weight is lower or equal to zero then weight is zero.
+ if (nTimeWeight <= 0)
+ {
+ nWeight = 0;
+ return;
+ }
+
+ CBigNum bnCoinDayWeight = CBigNum(nValue) * nTimeWeight / COIN / (24 * 60 * 60);
+ nWeight = bnCoinDayWeight.getuint64();
+}
+
+
// NovaCoin: get current stake weight
bool CWallet::GetStakeWeight(const CKeyStore& keystore, uint64& nMinWeight, uint64& nMaxWeight, uint64& nWeight)
{
int64 nReserveBalance = 0;
if (mapArgs.count("-reservebalance") && !ParseMoney(mapArgs["-reservebalance"], nReserveBalance))
- {
- error("GetStakeWeight : invalid reserve balance amount");
- return false;
- }
+ return error("CreateCoinStake : invalid reserve balance amount");
if (nBalance <= nReserveBalance)
return false;
- vector<const CWalletTx*> vwtxPrev;
+ CTxDB txdb("r");
+ {
+ LOCK2(cs_main, cs_wallet);
+ // Cache outputs unless best block or wallet transaction set changed
+ if (!fCoinsDataActual)
+ {
+ mapMeta.clear();
+ int64 nValueIn = 0;
+ CoinsSet setCoins;
+ if (!SelectCoinsSimple(nBalance - nReserveBalance, MIN_TX_FEE, MAX_MONEY, GetAdjustedTime(), nCoinbaseMaturity * 10, setCoins, nValueIn))
+ return false;
-/*
- * TODO: performance comparison
+ if (setCoins.empty())
+ return false;
- static set<pair<const CWalletTx*,unsigned int> > setCoins;
- static uint256 hashPrevBlock;
- static int64 nValueIn = 0;
+ {
+ CTxIndex txindex;
+ CBlock block;
+ for(CoinsSet::iterator pcoin = setCoins.begin(); pcoin != setCoins.end(); pcoin++)
+ {
+ // Load transaction index item
+ if (!txdb.ReadTxIndex(pcoin->first->GetHash(), txindex))
+ continue;
- // Cache outputs unless best block changed
- if (hashPrevBlock != pindexBest->GetBlockHash())
- {
- if (!SelectCoinsSimple(nBalance - nReserveBalance, GetAdjustedTime(), nCoinbaseMaturity * 10, setCoins, nValueIn))
- return false;
+ // Read block header
+ if (!block.ReadFromDisk(txindex.pos.nFile, txindex.pos.nBlockPos, false))
+ continue;
- if (setCoins.empty())
- return false;
+ uint64 nStakeModifier = 0;
+ if (!GetKernelStakeModifier(block.GetHash(), nStakeModifier))
+ continue;
- hashPrevBlock == pindexBest->GetBlockHash();
- }
-*/
+ // Add meta record
+ // (txid, vout.n) => ((txindex, (tx, vout.n)), (block, modifier))
+ mapMeta[make_pair(pcoin->first->GetHash(), pcoin->second)] = make_pair(make_pair(txindex, *pcoin), make_pair(block, nStakeModifier));
- set<pair<const CWalletTx*,unsigned int> > setCoins;
- int64 nValueIn = 0;
+ if (fDebug)
+ printf("Load coin: %s\n", pcoin->first->GetHash().GetHex().c_str());
+ }
+ }
- if (!SelectCoinsSimple(nBalance - nReserveBalance, GetTime(), nCoinbaseMaturity * 10, setCoins, nValueIn))
- return false;
+ if (fDebug)
+ printf("Get stake weight: %d meta items loaded for %d coins\n", mapMeta.size(), setCoins.size());
- if (setCoins.empty())
- return false;
+ fCoinsDataActual = true;
+ }
+ }
- CTxDB txdb("r");
- BOOST_FOREACH(PAIRTYPE(const CWalletTx*, unsigned int) pcoin, setCoins)
+
+ // (txid, vout.n) => ((txindex, (tx, vout.n)), (block, modifier))
+ for(MetaMap::const_iterator meta_item = mapMeta.begin(); meta_item != mapMeta.end(); meta_item++)
{
- CTxIndex txindex;
- {
- LOCK2(cs_main, cs_wallet);
- if (!txdb.ReadTxIndex(pcoin.first->GetHash(), txindex))
- continue;
- }
+ // Get coin
+ CoinsSet::value_type pcoin = meta_item->second.first.second;
int64 nTimeWeight = GetWeight((int64)pcoin.first->nTime, (int64)GetTime());
CBigNum bnCoinDayWeight = CBigNum(pcoin.first->vout[pcoin.second].nValue) * nTimeWeight / COIN / (24 * 60 * 60);
return true;
}
+bool CWallet::MergeCoins(const int64& nAmount, const int64& nMinValue, const int64& nOutputValue, list<uint256>& listMerged)
+{
+ int64 nBalance = GetBalance();
+
+ if (nAmount > nBalance)
+ return false;
+
+ listMerged.clear();
+ int64 nValueIn = 0;
+ set<pair<const CWalletTx*,unsigned int> > setCoins;
+
+ // Simple coins selection - no randomization
+ if (!SelectCoinsSimple(nAmount, nMinValue, nOutputValue, GetTime(), 1, setCoins, nValueIn))
+ return false;
+
+ if (setCoins.empty())
+ return false;
+
+ CWalletTx wtxNew;
+ vector<const CWalletTx*> vwtxPrev;
+
+ // Reserve a new key pair from key pool
+ CReserveKey reservekey(this);
+ CPubKey vchPubKey = reservekey.GetReservedKey();
+
+ // Output script
+ CScript scriptOutput;
+ scriptOutput.SetDestination(vchPubKey.GetID());
+
+ // Insert output
+ wtxNew.vout.push_back(CTxOut(0, scriptOutput));
+
+ double dWeight = 0;
+ BOOST_FOREACH(PAIRTYPE(const CWalletTx*, unsigned int) pcoin, setCoins)
+ {
+ int64 nCredit = pcoin.first->vout[pcoin.second].nValue;
+
+ // Add current coin to inputs list and add its credit to transaction output
+ wtxNew.vin.push_back(CTxIn(pcoin.first->GetHash(), pcoin.second));
+ wtxNew.vout[0].nValue += nCredit;
+ vwtxPrev.push_back(pcoin.first);
+
+/*
+ // Replaced with estimation for performance purposes
+
+ for (unsigned int i = 0; i < wtxNew.vin.size(); i++) {
+ const CWalletTx *txin = vwtxPrev[i];
+
+ // Sign scripts to get actual transaction size for fee calculation
+ if (!SignSignature(*this, *txin, wtxNew, i))
+ return false;
+ }
+*/
+
+ // Assuming that average scriptsig size is 110 bytes
+ int64 nBytes = ::GetSerializeSize(*(CTransaction*)&wtxNew, SER_NETWORK, PROTOCOL_VERSION) + wtxNew.vin.size() * 110;
+ dWeight += (double)nCredit * pcoin.first->GetDepthInMainChain();
+
+ double dFinalPriority = dWeight /= nBytes;
+ bool fAllowFree = CTransaction::AllowFree(dFinalPriority);
+
+ // Get actual transaction fee according to its estimated size and priority
+ int64 nMinFee = wtxNew.GetMinFee(1, fAllowFree, GMF_SEND, nBytes);
+
+ // Prepare transaction for commit if sum is enough ot its size is too big
+ if (nBytes >= MAX_BLOCK_SIZE_GEN/6 || wtxNew.vout[0].nValue >= nOutputValue)
+ {
+ wtxNew.vout[0].nValue -= nMinFee; // Set actual fee
+
+ for (unsigned int i = 0; i < wtxNew.vin.size(); i++) {
+ const CWalletTx *txin = vwtxPrev[i];
+
+ // Sign all scripts
+ if (!SignSignature(*this, *txin, wtxNew, i))
+ return false;
+ }
+
+ // Try to commit, return false on failure
+ if (!CommitTransaction(wtxNew, reservekey))
+ return false;
+
+ listMerged.push_back(wtxNew.GetHash()); // Add to hashes list
+
+ dWeight = 0; // Reset all temporary values
+ vwtxPrev.clear();
+ wtxNew.SetNull();
+ wtxNew.vout.push_back(CTxOut(0, scriptOutput));
+ }
+ }
+
+ // Create transactions if there are some unhandled coins left
+ if (wtxNew.vout[0].nValue > 0) {
+ int64 nBytes = ::GetSerializeSize(*(CTransaction*)&wtxNew, SER_NETWORK, PROTOCOL_VERSION) + wtxNew.vin.size() * 110;
+
+ double dFinalPriority = dWeight /= nBytes;
+ bool fAllowFree = CTransaction::AllowFree(dFinalPriority);
+
+ // Get actual transaction fee according to its size and priority
+ int64 nMinFee = wtxNew.GetMinFee(1, fAllowFree, GMF_SEND, nBytes);
+
+ wtxNew.vout[0].nValue -= nMinFee; // Set actual fee
+
+ if (wtxNew.vout[0].nValue <= 0)
+ return false;
+
+ for (unsigned int i = 0; i < wtxNew.vin.size(); i++) {
+ const CWalletTx *txin = vwtxPrev[i];
+
+ // Sign all scripts again
+ if (!SignSignature(*this, *txin, wtxNew, i))
+ return false;
+ }
+
+ // Try to commit, return false on failure
+ if (!CommitTransaction(wtxNew, reservekey))
+ return false;
+
+ listMerged.push_back(wtxNew.GetHash()); // Add to hashes list
+ }
+
+ return true;
+}
+
+
bool CWallet::CreateCoinStake(const CKeyStore& keystore, unsigned int nBits, int64 nSearchInterval, CTransaction& txNew, CKey& key)
{
// The following combine threshold is important to security
vector<const CWalletTx*> vwtxPrev;
-/*
- * TODO: performance comparison
+ CTxDB txdb("r");
+ {
+ LOCK2(cs_main, cs_wallet);
+ // Cache outputs unless best block or wallet transaction set changed
+ if (!fCoinsDataActual)
+ {
+ mapMeta.clear();
+ int64 nValueIn = 0;
+ CoinsSet setCoins;
+ if (!SelectCoinsSimple(nBalance - nReserveBalance, MIN_TX_FEE, MAX_MONEY, txNew.nTime, nCoinbaseMaturity * 10, setCoins, nValueIn))
+ return false;
- static set<pair<const CWalletTx*,unsigned int> > setCoins;
- static uint256 hashPrevBlock;
- static int64 nValueIn = 0;
+ if (setCoins.empty())
+ return false;
- // Cache outputs unless best block changed
- if (hashPrevBlock != pindexBest->GetBlockHash())
- {
- if (!SelectCoinsSimple(nBalance - nReserveBalance, txNew.nTime, nCoinbaseMaturity * 10, setCoins, nValueIn))
- return false;
+ {
+ CTxIndex txindex;
+ CBlock block;
+ for(CoinsSet::iterator pcoin = setCoins.begin(); pcoin != setCoins.end(); pcoin++)
+ {
+ // Load transaction index item
+ if (!txdb.ReadTxIndex(pcoin->first->GetHash(), txindex))
+ continue;
- if (setCoins.empty())
- return false;
+ // Read block header
+ if (!block.ReadFromDisk(txindex.pos.nFile, txindex.pos.nBlockPos, false))
+ continue;
- hashPrevBlock == pindexBest->GetBlockHash();
- }
-*/
+ uint64 nStakeModifier = 0;
+ if (!GetKernelStakeModifier(block.GetHash(), nStakeModifier))
+ continue;
- set<pair<const CWalletTx*,unsigned int> > setCoins;
- int64 nValueIn = 0;
+ // Add meta record
+ // txid => ((txindex, (tx, vout.n)), (block, modifier))
+ mapMeta[make_pair(pcoin->first->GetHash(), pcoin->second)] = make_pair(make_pair(txindex, *pcoin), make_pair(block, nStakeModifier));
- // Select coins with suitable depth
- if (!SelectCoinsSimple(nBalance - nReserveBalance, txNew.nTime, nCoinbaseMaturity * 10, setCoins, nValueIn))
- return false;
+ if (fDebug)
+ printf("Load coin: %s\n", pcoin->first->GetHash().GetHex().c_str());
+ }
+ }
- if (setCoins.empty())
- return false;
+ if (fDebug)
+ printf("Stake miner: %d meta items loaded for %d coins\n", mapMeta.size(), setCoins.size());
+
+ fCoinsDataActual = true;
+ }
+ }
int64 nCredit = 0;
CScript scriptPubKeyKernel;
- CTxDB txdb("r");
- BOOST_FOREACH(PAIRTYPE(const CWalletTx*, unsigned int) pcoin, setCoins)
- {
- CTxIndex txindex;
- {
- LOCK2(cs_main, cs_wallet);
- if (!txdb.ReadTxIndex(pcoin.first->GetHash(), txindex))
- continue;
- }
- // Read block header
- CBlock block;
+ KernelSearchSettings settings;
+ settings.nBits = nBits;
+ settings.nTime = txNew.nTime;
+ settings.nOffset = 0;
+ settings.nLimit = mapMeta.size();
+ settings.nSearchInterval = nSearchInterval;
+
+ unsigned int nTimeTx, nBlockTime;
+ COutPoint prevoutStake;
+ CoinsSet::value_type kernelcoin;
+
+ if (ScanForStakeKernelHash(mapMeta, settings, kernelcoin, nTimeTx, nBlockTime))
+ {
+ // Found a kernel
+ if (fDebug && GetBoolArg("-printcoinstake"))
+ printf("CreateCoinStake : kernel found\n");
+ vector<valtype> vSolutions;
+ txnouttype whichType;
+ CScript scriptPubKeyOut;
+ scriptPubKeyKernel = kernelcoin.first->vout[kernelcoin.second].scriptPubKey;
+ if (!Solver(scriptPubKeyKernel, whichType, vSolutions))
+ {
+ if (fDebug && GetBoolArg("-printcoinstake"))
+ printf("CreateCoinStake : failed to parse kernel\n");
+ return false;
+ }
+ if (fDebug && GetBoolArg("-printcoinstake"))
+ printf("CreateCoinStake : parsed kernel type=%d\n", whichType);
+ if (whichType != TX_PUBKEY && whichType != TX_PUBKEYHASH)
{
- LOCK2(cs_main, cs_wallet);
- if (!block.ReadFromDisk(txindex.pos.nFile, txindex.pos.nBlockPos, false))
- continue;
+ if (fDebug && GetBoolArg("-printcoinstake"))
+ printf("CreateCoinStake : no support for kernel type=%d\n", whichType);
+ return false; // only support pay to public key and pay to address
}
-
- static int nMaxStakeSearchInterval = 60;
- if (block.GetBlockTime() + nStakeMinAge > txNew.nTime - nMaxStakeSearchInterval)
- continue; // only count coins meeting min age requirement
-
- bool fKernelFound = false;
- for (unsigned int n=0; n<min(nSearchInterval,(int64)nMaxStakeSearchInterval) && !fKernelFound && !fShutdown; n++)
+ if (whichType == TX_PUBKEYHASH) // pay to address type
{
- // Search backward in time from the given txNew timestamp
- // Search nSearchInterval seconds back up to nMaxStakeSearchInterval
- uint256 hashProofOfStake = 0, targetProofOfStake = 0;
- COutPoint prevoutStake = COutPoint(pcoin.first->GetHash(), pcoin.second);
- if (CheckStakeKernelHash(nBits, block, txindex.pos.nTxPos - txindex.pos.nBlockPos, *pcoin.first, prevoutStake, txNew.nTime - n, hashProofOfStake, targetProofOfStake))
+ // convert to pay to public key type
+ if (!keystore.GetKey(uint160(vSolutions[0]), key))
{
- // Found a kernel
if (fDebug && GetBoolArg("-printcoinstake"))
- printf("CreateCoinStake : kernel found\n");
- vector<valtype> vSolutions;
- txnouttype whichType;
- CScript scriptPubKeyOut;
- scriptPubKeyKernel = pcoin.first->vout[pcoin.second].scriptPubKey;
- if (!Solver(scriptPubKeyKernel, whichType, vSolutions))
- {
- if (fDebug && GetBoolArg("-printcoinstake"))
- printf("CreateCoinStake : failed to parse kernel\n");
- break;
- }
+ printf("CreateCoinStake : failed to get key for kernel type=%d\n", whichType);
+ return false; // unable to find corresponding public key
+ }
+ scriptPubKeyOut << key.GetPubKey() << OP_CHECKSIG;
+ }
+ if (whichType == TX_PUBKEY)
+ {
+ valtype& vchPubKey = vSolutions[0];
+ if (!keystore.GetKey(Hash160(vchPubKey), key))
+ {
if (fDebug && GetBoolArg("-printcoinstake"))
- printf("CreateCoinStake : parsed kernel type=%d\n", whichType);
- if (whichType != TX_PUBKEY && whichType != TX_PUBKEYHASH)
- {
- if (fDebug && GetBoolArg("-printcoinstake"))
- printf("CreateCoinStake : no support for kernel type=%d\n", whichType);
- break; // only support pay to public key and pay to address
- }
- if (whichType == TX_PUBKEYHASH) // pay to address type
- {
- // convert to pay to public key type
- if (!keystore.GetKey(uint160(vSolutions[0]), key))
- {
- if (fDebug && GetBoolArg("-printcoinstake"))
- printf("CreateCoinStake : failed to get key for kernel type=%d\n", whichType);
- break; // unable to find corresponding public key
- }
- scriptPubKeyOut << key.GetPubKey() << OP_CHECKSIG;
- }
- if (whichType == TX_PUBKEY)
- {
- valtype& vchPubKey = vSolutions[0];
- if (!keystore.GetKey(Hash160(vchPubKey), key))
- {
- if (fDebug && GetBoolArg("-printcoinstake"))
- printf("CreateCoinStake : failed to get key for kernel type=%d\n", whichType);
- break; // unable to find corresponding public key
- }
-
- if (key.GetPubKey() != vchPubKey)
- {
- if (fDebug && GetBoolArg("-printcoinstake"))
- printf("CreateCoinStake : invalid key for kernel type=%d\n", whichType);
- break; // keys mismatch
- }
-
- scriptPubKeyOut = scriptPubKeyKernel;
- }
-
- txNew.nTime -= n;
- txNew.vin.push_back(CTxIn(pcoin.first->GetHash(), pcoin.second));
- nCredit += pcoin.first->vout[pcoin.second].nValue;
- vwtxPrev.push_back(pcoin.first);
- txNew.vout.push_back(CTxOut(0, scriptPubKeyOut));
-
- if (GetWeight(block.GetBlockTime(), (int64)txNew.nTime) < nStakeMaxAge)
- txNew.vout.push_back(CTxOut(0, scriptPubKeyOut)); //split stake
+ printf("CreateCoinStake : failed to get key for kernel type=%d\n", whichType);
+ return false; // unable to find corresponding public key
+ }
+ if (key.GetPubKey() != vchPubKey)
+ {
if (fDebug && GetBoolArg("-printcoinstake"))
- printf("CreateCoinStake : added kernel type=%d\n", whichType);
- fKernelFound = true;
- break;
+ printf("CreateCoinStake : invalid key for kernel type=%d\n", whichType);
+ return false; // keys mismatch
}
+
+ scriptPubKeyOut = scriptPubKeyKernel;
}
- if (fKernelFound || fShutdown)
- break; // if kernel is found stop searching
+ txNew.nTime = nTimeTx;
+ txNew.vin.push_back(CTxIn(kernelcoin.first->GetHash(), kernelcoin.second));
+ nCredit += kernelcoin.first->vout[kernelcoin.second].nValue;
+ vwtxPrev.push_back(kernelcoin.first);
+ txNew.vout.push_back(CTxOut(0, scriptPubKeyOut));
+
+ if (GetWeight((int64)nBlockTime, (int64)txNew.nTime) < nStakeMaxAge)
+ txNew.vout.push_back(CTxOut(0, scriptPubKeyOut)); //split stake
+ if (fDebug && GetBoolArg("-printcoinstake"))
+ printf("CreateCoinStake : added kernel type=%d\n", whichType);
}
if (nCredit == 0 || nCredit > nBalance - nReserveBalance)
return false;
- BOOST_FOREACH(PAIRTYPE(const CWalletTx*, unsigned int) pcoin, setCoins)
+ // (txid, vout.n) => ((txindex, (tx, vout.n)), (block, modifier))
+ for(MetaMap::const_iterator meta_item = mapMeta.begin(); meta_item != mapMeta.end(); meta_item++)
{
+ // Get coin
+ CoinsSet::value_type pcoin = meta_item->second.first.second;
+
// Attempt to add more inputs
// Only add coins of the same key/address as kernel
if (txNew.vout.size() == 2 && ((pcoin.first->vout[pcoin.second].scriptPubKey == scriptPubKeyKernel || pcoin.first->vout[pcoin.second].scriptPubKey == txNew.vout[1].scriptPubKey))
CTxDB txdb("r");
if (!txNew.GetCoinAge(txdb, nCoinAge))
return error("CreateCoinStake : failed to calculate coin age");
- nCredit += GetProofOfStakeReward(nCoinAge, nBits, txNew.nTime);
+
+ int64 nReward = GetProofOfStakeReward(nCoinAge, nBits, txNew.nTime);
+ // Refuse to create mint that has zero or negative reward
+ if(nReward <= 0)
+ return false;
+
+ nCredit += nReward;
}
int64 nMinFee = 0;
return error("CreateCoinStake : exceeded coinstake size limit");
// Check enough fee is paid
- if (nMinFee < txNew.GetMinFee() - MIN_TX_FEE)
+ if (nMinFee < txNew.GetMinFee(1, false, GMF_BLOCK, nBytes) - CENT)
{
- nMinFee = txNew.GetMinFee() - MIN_TX_FEE;
+ nMinFee = txNew.GetMinFee(1, false, GMF_BLOCK, nBytes) - CENT;
continue; // try signing again
}
else
coin.MarkSpent(txin.prevout.n);
coin.WriteToDisk();
NotifyTransactionChanged(this, coin.GetHash(), CT_UPDATED);
+ vMintingWalletUpdated.push_back(coin.GetHash());
}
if (fFileBacked)
{
CWalletTx *pcoin = &walletEntry.second;
- if (!pcoin->IsFinal() || !pcoin->IsConfirmed())
+ if (!pcoin->IsFinal() || !pcoin->IsTrusted())
continue;
if ((pcoin->IsCoinBase() || pcoin->IsCoinStake()) && pcoin->GetBlocksToMaturity() > 0)
continue;
int nDepth = pcoin->GetDepthInMainChain();
- if (nDepth < (pcoin->IsFromMe() ? 0 : 1))
+ if (nDepth < (pcoin->IsFromMe(MINE_ALL) ? 0 : 1))
continue;
for (unsigned int i = 0; i < pcoin->vout.size(); i++)
pcoin->WriteToDisk();
}
}
+
+ }
+
+ if(IsMine((CTransaction)*pcoin) && (pcoin->IsCoinBase() || pcoin->IsCoinStake()) && pcoin->GetDepthInMainChain() == 0)
+ {
+ printf("FixSpentCoins %s tx %s\n", fCheckOnly ? "found" : "removed", pcoin->GetHash().ToString().c_str());
+ if (!fCheckOnly)
+ {
+ EraseFromWallet(pcoin->GetHash());
+ }
}
}
}
// Only notify UI if this transaction is in this wallet
map<uint256, CWalletTx>::const_iterator mi = mapWallet.find(hashTx);
if (mi != mapWallet.end())
+ {
NotifyTransactionChanged(this, hashTx, CT_UPDATED);
+ vMintingWalletUpdated.push_back(hashTx);
+ }
}
}
for (std::map<CKeyID, CBlockIndex*>::const_iterator it = mapKeyFirstBlock.begin(); it != mapKeyFirstBlock.end(); it++)
mapKeyBirth[it->first] = it->second->nTime - 7200; // block times can be 2h off
}
+
+void CWallet::ClearOrphans()
+{
+ list<uint256> orphans;
+
+ LOCK(cs_wallet);
+ for(map<uint256, CWalletTx>::const_iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
+ {
+ const CWalletTx *wtx = &(*it).second;
+ if((wtx->IsCoinBase() || wtx->IsCoinStake()) && !wtx->IsInMainChain())
+ {
+ orphans.push_back(wtx->GetHash());
+ }
+ }
+
+ for(list<uint256>::const_iterator it = orphans.begin(); it != orphans.end(); ++it)
+ EraseFromWallet(*it);
+}