// Distributed under the MIT/X11 software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+#include "txdb.h"
#include "wallet.h"
#include "walletdb.h"
#include "crypter.h"
#include "ui_interface.h"
#include "base58.h"
#include "kernel.h"
+#include "coincontrol.h"
#include <boost/algorithm/string/replace.hpp>
using namespace std;
extern int nStakeMaxAge;
-
//////////////////////////////////////////////////////////////////////////////
//
// 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;
vMasterKey.resize(WALLET_CRYPTO_KEY_SIZE);
RAND_bytes(&vMasterKey[0], WALLET_CRYPTO_KEY_SIZE);
- CMasterKey kMasterKey;
+ CMasterKey kMasterKey(nDerivationMethodIndex);
RandAddSeedPerfmon();
kMasterKey.vchSalt.resize(WALLET_CRYPTO_SALT_SIZE);
return txOrdered;
}
-void CWallet::WalletUpdateSpent(const CTransaction &tx)
+void CWallet::WalletUpdateSpent(const CTransaction &tx, bool fBlock)
{
// Anytime a signature is successfully verified, it's proof the outpoint is spent.
// Update the wallet spent flag if it doesn't know due to wallet.dat being
}
}
}
+
+ if (fBlock)
+ {
+ uint256 hash = tx.GetHash();
+ map<uint256, CWalletTx>::iterator mi = mapWallet.find(hash);
+ CWalletTx& wtx = (*mi).second;
+
+ BOOST_FOREACH(const CTxOut& txout, tx.vout)
+ {
+ if (IsMine(txout))
+ {
+ wtx.MarkUnspent(&txout - &tx.vout[0]);
+ wtx.WriteToDisk();
+ NotifyTransactionChanged(this, hash, CT_UPDATED);
+ }
+ }
+ }
+
}
}
}
#endif
// since AddToWallet is called directly for self-originating transactions, check for consumption of own coins
- WalletUpdateSpent(wtx);
+ WalletUpdateSpent(wtx, (wtxIn.hashBlock != 0));
// Notify UI of new or updated transaction
NotifyTransactionChanged(this, hash, fInsertedNew ? CT_NEW : CT_UPDATED);
}
-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;
{
uint256 hash = tx.GetHash();
if (!txdb.ContainsTx(hash))
- RelayMessage(CInv(MSG_TX, hash), (CTransaction)tx);
+ RelayTransaction((CTransaction)tx, hash);
}
}
if (!(IsCoinBase() || IsCoinStake()))
if (!txdb.ContainsTx(hash))
{
printf("Relaying wtx %s\n", hash.ToString().substr(0,10).c_str());
- RelayMessage(CInv(MSG_TX, hash), (CTransaction)*this);
+ RelayTransaction((CTransaction)*this, hash);
}
}
}
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;
}
// populate vCoins with vector of spendable COutputs
-void CWallet::AvailableCoins(vector<COutput>& vCoins, bool fOnlyConfirmed) const
+void CWallet::AvailableCoins(vector<COutput>& vCoins, bool fOnlyConfirmed, const CCoinControl *coinControl) const
{
vCoins.clear();
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 > 0)
- 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
+{
+ vCoins.clear();
+
+ {
+ LOCK(cs_wallet);
+ for (map<uint256, CWalletTx>::const_iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
+ {
+ const CWalletTx* pcoin = &(*it).second;
+
+ if (!pcoin->IsFinal())
+ continue;
+
+ if(pcoin->GetDepthInMainChain() < nConf)
+ continue;
+
+ 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)
+ 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;
+ // Follow the timestamp rules
if (pcoin->nTime > nSpendTime)
- continue; // ppcoin: timestamp must not exceed spend time
+ continue;
int64 n = pcoin->vout[i].nValue;
return true;
}
-bool CWallet::SelectCoins(int64 nTargetValue, unsigned int nSpendTime, set<pair<const CWalletTx*,unsigned int> >& setCoinsRet, int64& nValueRet) const
+bool CWallet::SelectCoins(int64 nTargetValue, unsigned int nSpendTime, set<pair<const CWalletTx*,unsigned int> >& setCoinsRet, int64& nValueRet, const CCoinControl* coinControl) const
{
vector<COutput> vCoins;
- AvailableCoins(vCoins);
+ AvailableCoins(vCoins, true, coinControl);
+
+ // coin control -> return all selected outputs (we want all selected to go into the transaction for sure)
+ if (coinControl && coinControl->HasSelected())
+ {
+ 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));
+ }
+ return (nValueRet >= nTargetValue);
+ }
return (SelectCoinsMinConf(nTargetValue, nSpendTime, 1, 6, vCoins, setCoinsRet, nValueRet) ||
SelectCoinsMinConf(nTargetValue, nSpendTime, 1, 1, vCoins, setCoinsRet, nValueRet) ||
SelectCoinsMinConf(nTargetValue, nSpendTime, 0, 1, vCoins, setCoinsRet, nValueRet));
}
+// 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
+{
+ vector<COutput> vCoins;
+ AvailableCoinsMinConf(vCoins, nMinConf);
+
+ setCoinsRet.clear();
+ nValueRet = 0;
+
+ BOOST_FOREACH(COutput output, vCoins)
+ {
+ if(!output.fSpendable)
+ continue;
+ const CWalletTx *pcoin = output.tx;
+ int i = output.i;
+
+ // Stop if we've chosen enough inputs
+ if (nValueRet >= nTargetValue)
+ break;
+ // Follow the timestamp rules
+ if (pcoin->nTime > nSpendTime)
+ continue;
+ int64 n = pcoin->vout[i].nValue;
-bool CWallet::CreateTransaction(const vector<pair<CScript, int64> >& vecSend, CWalletTx& wtxNew, CReserveKey& reservekey, int64& nFeeRet)
+ pair<int64,pair<const CWalletTx*,unsigned int> > coin = make_pair(n,make_pair(pcoin, i));
+
+ if (n >= nTargetValue)
+ {
+ // If input value is greater or equal to target then simply insert
+ // it into the current subset and exit
+ setCoinsRet.insert(coin.second);
+ nValueRet += coin.first;
+ break;
+ }
+ else if (n < nTargetValue + CENT)
+ {
+ setCoinsRet.insert(coin.second);
+ nValueRet += coin.first;
+ }
+ }
+
+ return true;
+}
+
+bool CWallet::CreateTransaction(const vector<pair<CScript, int64> >& vecSend, CWalletTx& wtxNew, CReserveKey& reservekey, int64& nFeeRet, const CCoinControl* coinControl)
{
int64 nValue = 0;
BOOST_FOREACH (const PAIRTYPE(CScript, int64)& s, vecSend)
CTxDB txdb("r");
{
nFeeRet = nTransactionFee;
- loop
+ while (true)
{
wtxNew.vin.clear();
wtxNew.vout.clear();
// Choose coins to use
set<pair<const CWalletTx*,unsigned int> > setCoins;
int64 nValueIn = 0;
- if (!SelectCoins(nTotalValue, wtxNew.nTime, setCoins, nValueIn))
+ if (!SelectCoins(nTotalValue, wtxNew.nTime, setCoins, nValueIn, coinControl))
return false;
BOOST_FOREACH(PAIRTYPE(const CWalletTx*, unsigned int) pcoin, setCoins)
{
// 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)
{
- // 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
- // backup is restored, if the backup doesn't have the new private key for the change.
- // If we reused the old key, it would be possible to add code to look for and
- // rediscover unknown transactions that were written with keys of ours to recover
- // post-backup change.
-
- // Reserve a new key pair from key pool
- CPubKey vchPubKey = reservekey.GetReservedKey();
- // assert(mapKeys.count(vchPubKey));
-
// Fill a vout to ourself
// TODO: pass in scriptChange instead of reservekey so
// change transaction isn't always pay-to-bitcoin-address
CScript scriptChange;
- scriptChange.SetDestination(vchPubKey.GetID());
+
+ // coin control: send change to custom address
+ if (coinControl && !boost::get<CNoDestination>(&coinControl->destChange))
+ scriptChange.SetDestination(coinControl->destChange);
+
+ // no coin control: send change to newly generated address
+ else
+ {
+ // 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
+ // backup is restored, if the backup doesn't have the new private key for the change.
+ // If we reused the old key, it would be possible to add code to look for and
+ // rediscover unknown transactions that were written with keys of ours to recover
+ // post-backup change.
+
+ // Reserve a new key pair from key pool
+ CPubKey vchPubKey = reservekey.GetReservedKey();
+
+ scriptChange.SetDestination(vchPubKey.GetID());
+ }
// Insert change txn at random position:
vector<CTxOut>::iterator position = wtxNew.vout.begin()+GetRandInt(wtxNew.vout.size());
// Check that enough fee is included
int64 nPayFee = nTransactionFee * (1 + (int64)nBytes / 1000);
- int64 nMinFee = wtxNew.GetMinFee(1, false, GMF_SEND);
+ 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 true;
}
-bool CWallet::CreateTransaction(CScript scriptPubKey, int64 nValue, CWalletTx& wtxNew, CReserveKey& reservekey, int64& nFeeRet)
+bool CWallet::CreateTransaction(CScript scriptPubKey, int64 nValue, CWalletTx& wtxNew, CReserveKey& reservekey, int64& nFeeRet, const CCoinControl* coinControl)
{
vector< pair<CScript, int64> > vecSend;
vecSend.push_back(make_pair(scriptPubKey, nValue));
- return CreateTransaction(vecSend, wtxNew, reservekey, nFeeRet);
+ return CreateTransaction(vecSend, wtxNew, reservekey, nFeeRet, coinControl);
}
-// NovaCoin: get current stake generation power
-uint64 CWallet::GetStakeMintPower(const CKeyStore& keystore, enum StakeWeightMode mode)
+void CWallet::GetStakeWeightFromValue(const int64& nTime, const int64& nValue, uint64& nWeight)
{
- LOCK2(cs_main, cs_wallet);
+ 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)
+{
// Choose coins to use
int64 nBalance = GetBalance();
int64 nReserveBalance = 0;
- uint64 nCoinAge = 0;
if (mapArgs.count("-reservebalance") && !ParseMoney(mapArgs["-reservebalance"], nReserveBalance))
{
- error("CreateCoinStake : invalid reserve balance amount");
- return 0;
+ error("GetStakeWeight : invalid reserve balance amount");
+ return false;
}
if (nBalance <= nReserveBalance)
- return 0;
+ return false;
- set<pair<const CWalletTx*,unsigned int> > setCoins;
vector<const CWalletTx*> vwtxPrev;
+
+/*
+ * TODO: performance comparison
+
+ static set<pair<const CWalletTx*,unsigned int> > setCoins;
+ static uint256 hashPrevBlock;
+ static int64 nValueIn = 0;
+
+ // Cache outputs unless best block changed
+ if (hashPrevBlock != pindexBest->GetBlockHash())
+ {
+ if (!SelectCoinsSimple(nBalance - nReserveBalance, GetAdjustedTime(), nCoinbaseMaturity * 10, setCoins, nValueIn))
+ return false;
+
+ if (setCoins.empty())
+ return false;
+
+ hashPrevBlock == pindexBest->GetBlockHash();
+ }
+*/
+
+ set<pair<const CWalletTx*,unsigned int> > setCoins;
int64 nValueIn = 0;
- if (!SelectCoins(nBalance - nReserveBalance, GetTime(), setCoins, nValueIn))
- return 0;
+
+ if (!SelectCoinsSimple(nBalance - nReserveBalance, GetTime(), nCoinbaseMaturity * 10, setCoins, nValueIn))
+ return false;
+
if (setCoins.empty())
- return 0;
+ return false;
+ CTxDB txdb("r");
BOOST_FOREACH(PAIRTYPE(const CWalletTx*, unsigned int) pcoin, setCoins)
{
- CTxDB txdb("r");
CTxIndex txindex;
- if (!txdb.ReadTxIndex(pcoin.first->GetHash(), txindex))
- continue;
-
- switch(mode)
{
- case STAKE_NORMAL:
- // Do not count input that is still less than 30 days old
- if (pcoin.first->nTime + nStakeMinAge > GetTime())
- continue;
- break;
- case STAKE_MAXWEIGHT:
- // Do not count input that is still less than 90 days old
- if (pcoin.first->nTime + nStakeMaxAge > GetTime())
- continue;
- break;
- case STAKE_MINWEIGHT:
- // Count only inputs with suitable age (from 30 to 90 days old)
- if (pcoin.first->nTime + nStakeMaxAge < GetTime())
- continue;
- if (pcoin.first->nTime + nStakeMinAge > GetTime())
- continue;
- break;
- case STAKE_BELOWMIN:
- // Count only inputs with suitable age (less than 30 days old)
- if (pcoin.first->nTime + nStakeMinAge < GetTime())
- continue;
- break;
+ LOCK2(cs_main, cs_wallet);
+ if (!txdb.ReadTxIndex(pcoin.first->GetHash(), txindex))
+ continue;
}
- CBigNum bnCentSecond = CBigNum(pcoin.first->vout[pcoin.second].nValue) * (GetTime()-pcoin.first->nTime) / CENT;
- CBigNum bnCoinDay = bnCentSecond * CENT / COIN / (24 * 60 * 60);
+ int64 nTimeWeight = GetWeight((int64)pcoin.first->nTime, (int64)GetTime());
+ CBigNum bnCoinDayWeight = CBigNum(pcoin.first->vout[pcoin.second].nValue) * nTimeWeight / COIN / (24 * 60 * 60);
+ // Weight is greater than zero
+ if (nTimeWeight > 0)
+ {
+ nWeight += bnCoinDayWeight.getuint64();
+ }
- nCoinAge += bnCoinDay.getuint64();
- }
+ // Weight is greater than zero, but the maximum value isn't reached yet
+ if (nTimeWeight > 0 && nTimeWeight < nStakeMaxAge)
+ {
+ nMinWeight += bnCoinDayWeight.getuint64();
+ }
- if (fDebug && GetBoolArg("-printcoinage"))
- printf("StakePower bnCoinDay=%"PRI64d"\n", nCoinAge);
+ // Maximum weight was reached
+ if (nTimeWeight == nStakeMaxAge)
+ {
+ nMaxWeight += bnCoinDayWeight.getuint64();
+ }
+ }
- return nCoinAge;
+ return true;
}
-// ppcoin: create coin stake transaction
-bool CWallet::CreateCoinStake(const CKeyStore& keystore, unsigned int nBits, int64 nSearchInterval, CTransaction& txNew)
+bool CWallet::CreateCoinStake(const CKeyStore& keystore, unsigned int nBits, int64 nSearchInterval, CTransaction& txNew, CKey& key)
{
- // The following split & combine thresholds are important to security
+ // The following combine threshold is important to security
// Should not be adjusted if you don't understand the consequences
- static unsigned int nStakeSplitAge = (60 * 60 * 24 * 90);
int64 nCombineThreshold = GetProofOfWorkReward(GetLastBlockIndex(pindexBest, false)->nBits) / 3;
CBigNum bnTargetPerCoinDay;
bnTargetPerCoinDay.SetCompact(nBits);
- LOCK2(cs_main, cs_wallet);
txNew.vin.clear();
txNew.vout.clear();
+
// Mark coin stake transaction
CScript scriptEmpty;
scriptEmpty.clear();
txNew.vout.push_back(CTxOut(0, scriptEmpty));
+
// Choose coins to use
int64 nBalance = GetBalance();
int64 nReserveBalance = 0;
+
if (mapArgs.count("-reservebalance") && !ParseMoney(mapArgs["-reservebalance"], nReserveBalance))
return error("CreateCoinStake : invalid reserve balance amount");
+
if (nBalance <= nReserveBalance)
return false;
- set<pair<const CWalletTx*,unsigned int> > setCoins;
+
vector<const CWalletTx*> vwtxPrev;
+
+/*
+ * TODO: performance comparison
+
+ static set<pair<const CWalletTx*,unsigned int> > setCoins;
+ static uint256 hashPrevBlock;
+ static int64 nValueIn = 0;
+
+ // Cache outputs unless best block changed
+ if (hashPrevBlock != pindexBest->GetBlockHash())
+ {
+ if (!SelectCoinsSimple(nBalance - nReserveBalance, txNew.nTime, nCoinbaseMaturity * 10, setCoins, nValueIn))
+ return false;
+
+ if (setCoins.empty())
+ return false;
+
+ hashPrevBlock == pindexBest->GetBlockHash();
+ }
+*/
+
+ set<pair<const CWalletTx*,unsigned int> > setCoins;
int64 nValueIn = 0;
- if (!SelectCoins(nBalance - nReserveBalance, txNew.nTime, setCoins, nValueIn))
+
+ // Select coins with suitable depth
+ if (!SelectCoinsSimple(nBalance - nReserveBalance, txNew.nTime, nCoinbaseMaturity * 10, setCoins, nValueIn))
return false;
+
if (setCoins.empty())
return false;
+
int64 nCredit = 0;
CScript scriptPubKeyKernel;
+ CTxDB txdb("r");
BOOST_FOREACH(PAIRTYPE(const CWalletTx*, unsigned int) pcoin, setCoins)
{
- CTxDB txdb("r");
CTxIndex txindex;
- if (!txdb.ReadTxIndex(pcoin.first->GetHash(), txindex))
- continue;
+ {
+ LOCK2(cs_main, cs_wallet);
+ if (!txdb.ReadTxIndex(pcoin.first->GetHash(), txindex))
+ continue;
+ }
// Read block header
CBlock block;
- if (!block.ReadFromDisk(txindex.pos.nFile, txindex.pos.nBlockPos, false))
- continue;
+ {
+ LOCK2(cs_main, cs_wallet);
+ if (!block.ReadFromDisk(txindex.pos.nFile, txindex.pos.nBlockPos, false))
+ continue;
+ }
+
static int nMaxStakeSearchInterval = 60;
if (block.GetBlockTime() + nStakeMinAge > txNew.nTime - nMaxStakeSearchInterval)
continue; // only count coins meeting min age requirement
{
// Search backward in time from the given txNew timestamp
// Search nSearchInterval seconds back up to nMaxStakeSearchInterval
- uint256 hashProofOfStake = 0;
+ 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))
+ if (CheckStakeKernelHash(nBits, block, txindex.pos.nTxPos - txindex.pos.nBlockPos, *pcoin.first, prevoutStake, txNew.nTime - n, hashProofOfStake, targetProofOfStake))
{
// Found a kernel
if (fDebug && GetBoolArg("-printcoinstake"))
if (whichType == TX_PUBKEYHASH) // pay to address type
{
// convert to pay to public key type
- CKey key;
if (!keystore.GetKey(uint160(vSolutions[0]), key))
{
if (fDebug && GetBoolArg("-printcoinstake"))
}
scriptPubKeyOut << key.GetPubKey() << OP_CHECKSIG;
}
- else
+ 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.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 (block.GetBlockTime() + nStakeSplitAge > txNew.nTime)
+
+ if (GetWeight(block.GetBlockTime(), (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);
break;
}
}
+
if (fKernelFound || fShutdown)
break; // if kernel is found stop searching
}
+
if (nCredit == 0 || nCredit > nBalance - nReserveBalance)
return false;
+
BOOST_FOREACH(PAIRTYPE(const CWalletTx*, unsigned int) pcoin, setCoins)
{
// Attempt to add more inputs
if (txNew.vout.size() == 2 && ((pcoin.first->vout[pcoin.second].scriptPubKey == scriptPubKeyKernel || pcoin.first->vout[pcoin.second].scriptPubKey == txNew.vout[1].scriptPubKey))
&& pcoin.first->GetHash() != txNew.vin[0].prevout.hash)
{
+ int64 nTimeWeight = GetWeight((int64)pcoin.first->nTime, (int64)txNew.nTime);
+
// Stop adding more inputs if already too many inputs
if (txNew.vin.size() >= 100)
break;
if (pcoin.first->vout[pcoin.second].nValue > nCombineThreshold)
continue;
// Do not add input that is still too young
- if (pcoin.first->nTime + nStakeMaxAge > txNew.nTime)
+ if (nTimeWeight < nStakeMaxAge)
continue;
+
txNew.vin.push_back(CTxIn(pcoin.first->GetHash(), pcoin.second));
nCredit += pcoin.first->vout[pcoin.second].nValue;
vwtxPrev.push_back(pcoin.first);
}
}
+
// Calculate coin age reward
{
uint64 nCoinAge;
}
int64 nMinFee = 0;
- loop
+ while (true)
{
// Set output amount
if (txNew.vout.size() == 3)
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
return true;
}
-bool CWallet::TopUpKeyPool()
+bool CWallet::TopUpKeyPool(unsigned int nSize)
{
{
LOCK(cs_wallet);
CWalletDB walletdb(strWalletFile);
// Top up key pool
- unsigned int nTargetSize = max(GetArg("-keypool", 100), 0LL);
+ unsigned int nTargetSize;
+ if (nSize > 0)
+ nTargetSize = nSize;
+ else
+ nTargetSize = max(GetArg("-keypool", 100), 0LL);
+
while (setKeyPool.size() < (nTargetSize + 1))
{
int64 nEnd = 1;
{
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());
+ }
}
}
}
git://git.novaco.in / novacoin.git / blobdiff