// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2012 The Bitcoin developers
-// Copyright (c) 2011-2012 The PPCoin developers
// 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 "checkpoints.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
//
-std::vector<unsigned char> CWallet::GenerateNewKey()
+struct CompareValueOnly
+{
+ bool operator()(const pair<int64, pair<const CWalletTx*, unsigned int> >& t1,
+ const pair<int64, pair<const CWalletTx*, unsigned int> >& t2) const
+ {
+ return t1.first < t2.first;
+ }
+};
+
+CPubKey CWallet::GenerateNewKey()
{
bool fCompressed = CanSupportFeature(FEATURE_COMPRPUBKEY); // default to compressed public keys if we want 0.6.0 wallets
if (fCompressed)
SetMinVersion(FEATURE_COMPRPUBKEY);
+ CPubKey pubkey = key.GetPubKey();
+
+ // Create new metadata
+ int64 nCreationTime = GetTime();
+ mapKeyMetadata[pubkey.GetID()] = CKeyMetadata(nCreationTime);
+ if (!nTimeFirstKey || nCreationTime < nTimeFirstKey)
+ nTimeFirstKey = nCreationTime;
+
if (!AddKey(key))
throw std::runtime_error("CWallet::GenerateNewKey() : AddKey failed");
return key.GetPubKey();
bool CWallet::AddKey(const CKey& key)
{
+ CPubKey pubkey = key.GetPubKey();
+
if (!CCryptoKeyStore::AddKey(key))
return false;
if (!fFileBacked)
return true;
if (!IsCrypted())
- return CWalletDB(strWalletFile).WriteKey(key.GetPubKey(), key.GetPrivKey());
+ return CWalletDB(strWalletFile).WriteKey(pubkey, key.GetPrivKey(), mapKeyMetadata[pubkey.GetID()]);
return true;
}
-bool CWallet::AddCryptedKey(const vector<unsigned char> &vchPubKey, const vector<unsigned char> &vchCryptedSecret)
+bool CWallet::AddCryptedKey(const CPubKey &vchPubKey, const vector<unsigned char> &vchCryptedSecret)
{
if (!CCryptoKeyStore::AddCryptedKey(vchPubKey, vchCryptedSecret))
return false;
{
LOCK(cs_wallet);
if (pwalletdbEncryption)
- return pwalletdbEncryption->WriteCryptedKey(vchPubKey, vchCryptedSecret);
+ return pwalletdbEncryption->WriteCryptedKey(vchPubKey, vchCryptedSecret, mapKeyMetadata[vchPubKey.GetID()]);
else
- return CWalletDB(strWalletFile).WriteCryptedKey(vchPubKey, vchCryptedSecret);
+ return CWalletDB(strWalletFile).WriteCryptedKey(vchPubKey, vchCryptedSecret, mapKeyMetadata[vchPubKey.GetID()]);
}
return false;
}
+bool CWallet::LoadKeyMetadata(const CPubKey &pubkey, const CKeyMetadata &meta)
+{
+ if (meta.nCreateTime && (!nTimeFirstKey || meta.nCreateTime < nTimeFirstKey))
+ nTimeFirstKey = meta.nCreateTime;
+
+ mapKeyMetadata[pubkey.GetID()] = meta;
+ return true;
+}
+
bool CWallet::AddCScript(const CScript& redeemScript)
{
if (!CCryptoKeyStore::AddCScript(redeemScript))
return CWalletDB(strWalletFile).WriteCScript(Hash160(redeemScript), redeemScript);
}
-// ppcoin: optional setting to create coinstake only when unlocked;
+// 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);
// Need to completely rewrite the wallet file; if we don't, bdb might keep
// bits of the unencrypted private key in slack space in the database file.
CDB::Rewrite(strWalletFile);
+
}
+ NotifyStatusChanged(this);
return true;
}
+int64 CWallet::IncOrderPosNext(CWalletDB *pwalletdb)
+{
+ int64 nRet = nOrderPosNext++;
+ if (pwalletdb) {
+ pwalletdb->WriteOrderPosNext(nOrderPosNext);
+ } else {
+ CWalletDB(strWalletFile).WriteOrderPosNext(nOrderPosNext);
+ }
+ return nRet;
+}
+
+CWallet::TxItems CWallet::OrderedTxItems(std::list<CAccountingEntry>& acentries, std::string strAccount)
+{
+ CWalletDB walletdb(strWalletFile);
+
+ // First: get all CWalletTx and CAccountingEntry into a sorted-by-order multimap.
+ TxItems txOrdered;
+
+ // Note: maintaining indices in the database of (account,time) --> txid and (account, time) --> acentry
+ // would make this much faster for applications that do this a lot.
+ for (map<uint256, CWalletTx>::iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
+ {
+ CWalletTx* wtx = &((*it).second);
+ txOrdered.insert(make_pair(wtx->nOrderPos, TxPair(wtx, (CAccountingEntry*)0)));
+ }
+ acentries.clear();
+ walletdb.ListAccountCreditDebit(strAccount, acentries);
+ BOOST_FOREACH(CAccountingEntry& entry, acentries)
+ {
+ txOrdered.insert(make_pair(entry.nOrderPos, TxPair((CWalletTx*)0, &entry)));
+ }
+
+ return txOrdered;
+}
+
void CWallet::WalletUpdateSpent(const CTransaction &tx)
{
// Anytime a signature is successfully verified, it's proof the outpoint is spent.
if (mi != mapWallet.end())
{
CWalletTx& wtx = (*mi).second;
- if (!wtx.IsSpent(txin.prevout.n) && IsMine(wtx.vout[txin.prevout.n]))
+ if (txin.prevout.n >= wtx.vout.size())
+ printf("WalletUpdateSpent: bad wtx %s\n", wtx.GetHash().ToString().c_str());
+ else if (!wtx.IsSpent(txin.prevout.n) && IsMine(wtx.vout[txin.prevout.n]))
{
- printf("WalletUpdateSpent found spent coin %sppc %s\n", FormatMoney(wtx.GetCredit()).c_str(), wtx.GetHash().ToString().c_str());
+ printf("WalletUpdateSpent found spent coin %snvc %s\n", FormatMoney(wtx.GetCredit()).c_str(), wtx.GetHash().ToString().c_str());
wtx.MarkSpent(txin.prevout.n);
wtx.WriteToDisk();
- vWalletUpdated.push_back(txin.prevout.hash);
+ NotifyTransactionChanged(this, txin.prevout.hash, CT_UPDATED);
}
}
}
wtx.BindWallet(this);
bool fInsertedNew = ret.second;
if (fInsertedNew)
+ {
wtx.nTimeReceived = GetAdjustedTime();
+ wtx.nOrderPos = IncOrderPosNext();
+
+ wtx.nTimeSmart = wtx.nTimeReceived;
+ if (wtxIn.hashBlock != 0)
+ {
+ if (mapBlockIndex.count(wtxIn.hashBlock))
+ {
+ unsigned int latestNow = wtx.nTimeReceived;
+ unsigned int latestEntry = 0;
+ {
+ // Tolerate times up to the last timestamp in the wallet not more than 5 minutes into the future
+ int64 latestTolerated = latestNow + 300;
+ std::list<CAccountingEntry> acentries;
+ TxItems txOrdered = OrderedTxItems(acentries);
+ for (TxItems::reverse_iterator it = txOrdered.rbegin(); it != txOrdered.rend(); ++it)
+ {
+ CWalletTx *const pwtx = (*it).second.first;
+ if (pwtx == &wtx)
+ continue;
+ CAccountingEntry *const pacentry = (*it).second.second;
+ int64 nSmartTime;
+ if (pwtx)
+ {
+ nSmartTime = pwtx->nTimeSmart;
+ if (!nSmartTime)
+ nSmartTime = pwtx->nTimeReceived;
+ }
+ else
+ nSmartTime = pacentry->nTime;
+ if (nSmartTime <= latestTolerated)
+ {
+ latestEntry = nSmartTime;
+ if (nSmartTime > latestNow)
+ latestNow = nSmartTime;
+ break;
+ }
+ }
+ }
+
+ unsigned int& blocktime = mapBlockIndex[wtxIn.hashBlock]->nTime;
+ wtx.nTimeSmart = std::max(latestEntry, std::min(blocktime, latestNow));
+ }
+ else
+ printf("AddToWallet() : found %s in block %s not in index\n",
+ wtxIn.GetHash().ToString().substr(0,10).c_str(),
+ wtxIn.hashBlock.ToString().c_str());
+ }
+ }
bool fUpdated = false;
if (!fInsertedNew)
#ifndef QT_GUI
// If default receiving address gets used, replace it with a new one
CScript scriptDefaultKey;
- scriptDefaultKey.SetBitcoinAddress(vchDefaultKey);
+ scriptDefaultKey.SetDestination(vchDefaultKey.GetID());
BOOST_FOREACH(const CTxOut& txout, wtx.vout)
{
if (txout.scriptPubKey == scriptDefaultKey)
{
- std::vector<unsigned char> newDefaultKey;
+ CPubKey newDefaultKey;
if (GetKeyFromPool(newDefaultKey, false))
{
SetDefaultKey(newDefaultKey);
- SetAddressBookName(CBitcoinAddress(vchDefaultKey), "");
+ SetAddressBookName(vchDefaultKey.GetID(), "");
}
}
}
#endif
- // Notify UI
- vWalletUpdated.push_back(hash);
-
// since AddToWallet is called directly for self-originating transactions, check for consumption of own coins
WalletUpdateSpent(wtx);
- }
- // Refresh UI
- MainFrameRepaint();
+ // Notify UI of new or updated transaction
+ NotifyTransactionChanged(this, hash, fInsertedNew ? CT_NEW : CT_UPDATED);
+
+ // notify an external script when a wallet transaction comes in or is updated
+ std::string strCmd = GetArg("-walletnotify", "");
+
+ if ( !strCmd.empty())
+ {
+ boost::replace_all(strCmd, "%s", wtxIn.GetHash().GetHex());
+ boost::thread t(runCommand, strCmd); // thread runs free
+ }
+
+ }
return true;
}
bool CWallet::IsChange(const CTxOut& txout) const
{
- CBitcoinAddress address;
+ 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
// 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 (ExtractAddress(txout.scriptPubKey, address) && HaveKey(address))
+ if (ExtractDestination(txout.scriptPubKey, address) && ::IsMine(*this, address))
{
LOCK(cs_wallet);
if (!mapAddressBook.count(address))
int64 CWalletTx::GetTxTime() const
{
- return nTimeReceived;
+ int64 n = nTimeSmart;
+ return n ? n : nTimeReceived;
}
int CWalletTx::GetRequestCount() const
return nRequests;
}
-void CWalletTx::GetAmounts(int64& nGeneratedImmature, int64& nGeneratedMature, list<pair<CBitcoinAddress, int64> >& listReceived,
- list<pair<CBitcoinAddress, int64> >& listSent, int64& nFee, string& strSentAccount) const
+void CWalletTx::GetAmounts(int64& nGeneratedImmature, int64& nGeneratedMature, list<pair<CTxDestination, int64> >& listReceived,
+ list<pair<CTxDestination, int64> >& listSent, int64& nFee, string& strSentAccount) const
{
nGeneratedImmature = nGeneratedMature = nFee = 0;
listReceived.clear();
// Sent/received.
BOOST_FOREACH(const CTxOut& txout, vout)
{
- CBitcoinAddress address;
+ CTxDestination address;
vector<unsigned char> vchPubKey;
- if (!ExtractAddress(txout.scriptPubKey, address))
+ if (!ExtractDestination(txout.scriptPubKey, address))
{
printf("CWalletTx::GetAmounts: Unknown transaction type found, txid %s\n",
this->GetHash().ToString().c_str());
- address = " unknown ";
}
// Don't report 'change' txouts
}
-void CWalletTx::GetAccountAmounts(const string& strAccount, int64& nGenerated, int64& nReceived,
+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<CBitcoinAddress, int64> > listReceived;
- list<pair<CBitcoinAddress, int64> > listSent;
+ list<pair<CTxDestination, int64> > listReceived;
+ list<pair<CTxDestination, int64> > listSent;
GetAmounts(allGeneratedImmature, allGeneratedMature, listReceived, listSent, allFee, strSentAccount);
if (strAccount == "")
nGenerated = allGeneratedMature;
if (strAccount == strSentAccount)
{
- BOOST_FOREACH(const PAIRTYPE(CBitcoinAddress,int64)& s, listSent)
+ BOOST_FOREACH(const PAIRTYPE(CTxDestination,int64)& s, listSent)
nSent += s.second;
nFee = allFee;
}
{
LOCK(pwallet->cs_wallet);
- BOOST_FOREACH(const PAIRTYPE(CBitcoinAddress,int64)& r, listReceived)
+ BOOST_FOREACH(const PAIRTYPE(CTxDestination,int64)& r, listReceived)
{
if (pwallet->mapAddressBook.count(r.first))
{
- map<CBitcoinAddress, string>::const_iterator mi = pwallet->mapAddressBook.find(r.first);
+ map<CTxDestination, string>::const_iterator mi = pwallet->mapAddressBook.find(r.first);
if (mi != pwallet->mapAddressBook.end() && (*mi).second == strAccount)
nReceived += r.second;
}
// Update fSpent if a tx got spent somewhere else by a copy of wallet.dat
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() %"PRIszu" != wtx.vout.size() %"PRIszu"\n", txindex.vSpent.size(), wtx.vout.size());
continue;
}
for (unsigned int i = 0; i < txindex.vSpent.size(); i++)
}
if (fUpdated)
{
- printf("ReacceptWalletTransactions found spent coin %sppc %s\n", FormatMoney(wtx.GetCredit()).c_str(), wtx.GetHash().ToString().c_str());
+ printf("ReacceptWalletTransactions found spent coin %snvc %s\n", FormatMoney(wtx.GetCredit()).c_str(), wtx.GetHash().ToString().c_str());
wtx.MarkDirty();
wtx.WriteToDisk();
}
}
else
{
- // Reaccept any txes of ours that aren't already in a block
+ // Re-accept any txes of ours that aren't already in a block
if (!(wtx.IsCoinBase() || wtx.IsCoinStake()))
wtx.AcceptWalletTransaction(txdb, false);
}
{
// TODO: optimize this to scan just part of the block chain?
if (ScanForWalletTransactions(pindexGenesisBlock))
- fRepeat = true; // Found missing transactions: re-do Reaccept.
+ fRepeat = true; // Found missing transactions: re-do re-accept.
}
}
}
{
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);
}
}
}
BOOST_FOREACH(PAIRTYPE(const unsigned int, CWalletTx*)& item, mapSorted)
{
CWalletTx& wtx = *item.second;
- wtx.RelayWalletTransaction(txdb);
+ if (wtx.CheckTransaction())
+ wtx.RelayWalletTransaction(txdb);
+ else
+ printf("ResendWalletTransactions() : CheckTransaction failed for transaction %s\n", wtx.GetHash().ToString().c_str());
}
}
}
for (map<uint256, CWalletTx>::const_iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
{
const CWalletTx* pcoin = &(*it).second;
- if (!pcoin->IsFinal() || !pcoin->IsConfirmed())
- continue;
- nTotal += pcoin->GetAvailableCredit();
+ if (pcoin->IsConfirmed())
+ nTotal += pcoin->GetAvailableCredit();
}
}
for (map<uint256, CWalletTx>::const_iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
{
const CWalletTx* pcoin = &(*it).second;
- if (pcoin->IsFinal() && pcoin->IsConfirmed())
- continue;
- nTotal += pcoin->GetAvailableCredit();
+ if (!pcoin->IsFinal() || !pcoin->IsConfirmed())
+ nTotal += pcoin->GetAvailableCredit();
+ }
+ }
+ 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);
}
}
return nTotal;
}
+// populate vCoins with vector of spendable COutputs
+void CWallet::AvailableCoins(vector<COutput>& vCoins, bool fOnlyConfirmed, const CCoinControl *coinControl) 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 (fOnlyConfirmed && !pcoin->IsConfirmed())
+ continue;
+
+ if (pcoin->IsCoinBase() && pcoin->GetBlocksToMaturity() > 0)
+ continue;
+
+ 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()));
+
+ }
+ }
+}
+
+static void ApproximateBestSubset(vector<pair<int64, pair<const CWalletTx*,unsigned int> > >vValue, int64 nTotalLower, int64 nTargetValue,
+ vector<char>& vfBest, int64& nBest, int iterations = 1000)
+{
+ vector<char> vfIncluded;
+
+ vfBest.assign(vValue.size(), true);
+ nBest = nTotalLower;
+
+ for (int nRep = 0; nRep < iterations && nBest != nTargetValue; nRep++)
+ {
+ vfIncluded.assign(vValue.size(), false);
+ int64 nTotal = 0;
+ bool fReachedTarget = false;
+ for (int nPass = 0; nPass < 2 && !fReachedTarget; nPass++)
+ {
+ for (unsigned int i = 0; i < vValue.size(); i++)
+ {
+ if (nPass == 0 ? rand() % 2 : !vfIncluded[i])
+ {
+ nTotal += vValue[i].first;
+ vfIncluded[i] = true;
+ if (nTotal >= nTargetValue)
+ {
+ fReachedTarget = true;
+ if (nTotal < nBest)
+ {
+ nBest = nTotal;
+ vfBest = vfIncluded;
+ }
+ nTotal -= vValue[i].first;
+ vfIncluded[i] = false;
+ }
+ }
+ }
+ }
+ }
+}
+
// ppcoin: total coins staked (non-spendable until maturity)
int64 CWallet::GetStake() const
{
return nTotal;
}
-
-bool CWallet::SelectCoinsMinConf(int64 nTargetValue, unsigned int nSpendTime, int nConfMine, int nConfTheirs, set<pair<const CWalletTx*,unsigned int> >& setCoinsRet, int64& nValueRet) const
+bool CWallet::SelectCoinsMinConf(int64 nTargetValue, unsigned int nSpendTime, int nConfMine, int nConfTheirs, vector<COutput> vCoins, set<pair<const CWalletTx*,unsigned int> >& setCoinsRet, int64& nValueRet) const
{
setCoinsRet.clear();
nValueRet = 0;
vector<pair<int64, pair<const CWalletTx*,unsigned int> > > vValue;
int64 nTotalLower = 0;
- {
- LOCK(cs_wallet);
- vector<const CWalletTx*> vCoins;
- vCoins.reserve(mapWallet.size());
- for (map<uint256, CWalletTx>::const_iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
- vCoins.push_back(&(*it).second);
- random_shuffle(vCoins.begin(), vCoins.end(), GetRandInt);
-
- BOOST_FOREACH(const CWalletTx* pcoin, vCoins)
- {
- if (!pcoin->IsFinal() || !pcoin->IsConfirmed())
- continue;
-
- if ((pcoin->IsCoinBase() || pcoin->IsCoinStake()) && pcoin->GetBlocksToMaturity() > 0)
- continue;
+ random_shuffle(vCoins.begin(), vCoins.end(), GetRandInt);
- int nDepth = pcoin->GetDepthInMainChain();
- if (nDepth < (pcoin->IsFromMe() ? nConfMine : nConfTheirs))
- continue;
+ BOOST_FOREACH(COutput output, vCoins)
+ {
+ const CWalletTx *pcoin = output.tx;
- for (unsigned int i = 0; i < pcoin->vout.size(); i++)
- {
- if (pcoin->IsSpent(i) || !IsMine(pcoin->vout[i]))
- continue;
+ if (output.nDepth < (pcoin->IsFromMe() ? nConfMine : nConfTheirs))
+ continue;
- if (pcoin->nTime > nSpendTime)
- continue; // ppcoin: timestamp must not exceed spend time
+ int i = output.i;
- int64 n = pcoin->vout[i].nValue;
+ if (pcoin->nTime > nSpendTime)
+ continue; // ppcoin: timestamp must not exceed spend time
- if (n <= 0)
- continue;
+ int64 n = pcoin->vout[i].nValue;
- pair<int64,pair<const CWalletTx*,unsigned int> > coin = make_pair(n,make_pair(pcoin,i));
+ pair<int64,pair<const 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 (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 || nTotalLower == nTargetValue + CENT)
+ if (nTotalLower == nTargetValue)
{
for (unsigned int i = 0; i < vValue.size(); ++i)
{
return true;
}
- if (nTotalLower < nTargetValue + (coinLowestLarger.second.first ? CENT : 0))
+ if (nTotalLower < nTargetValue)
{
if (coinLowestLarger.second.first == NULL)
return false;
return true;
}
- if (nTotalLower >= nTargetValue + CENT)
- nTargetValue += CENT;
-
// Solve subset sum by stochastic approximation
- sort(vValue.rbegin(), vValue.rend());
- vector<char> vfIncluded;
- vector<char> vfBest(vValue.size(), true);
- int64 nBest = nTotalLower;
-
- for (int nRep = 0; nRep < 1000 && nBest != nTargetValue; nRep++)
- {
- vfIncluded.assign(vValue.size(), false);
- int64 nTotal = 0;
- bool fReachedTarget = false;
- for (int nPass = 0; nPass < 2 && !fReachedTarget; nPass++)
- {
- for (unsigned int i = 0; i < vValue.size(); i++)
- {
- if (nPass == 0 ? rand() % 2 : !vfIncluded[i])
- {
- nTotal += vValue[i].first;
- vfIncluded[i] = true;
- if (nTotal >= nTargetValue)
- {
- fReachedTarget = true;
- if (nTotal < nBest)
- {
- nBest = nTotal;
- vfBest = vfIncluded;
- }
- nTotal -= vValue[i].first;
- vfIncluded[i] = false;
- }
- }
- }
- }
- }
-
- // If the next larger is still closer, return it
- if (coinLowestLarger.second.first && coinLowestLarger.first - nTargetValue <= nBest - nTargetValue)
+ sort(vValue.rbegin(), vValue.rend(), CompareValueOnly());
+ vector<char> vfBest;
+ int64 nBest;
+
+ ApproximateBestSubset(vValue, nTotalLower, nTargetValue, vfBest, nBest, 1000);
+ if (nBest != nTargetValue && nTotalLower >= nTargetValue + CENT)
+ ApproximateBestSubset(vValue, nTotalLower, nTargetValue + CENT, vfBest, nBest, 1000);
+
+ // If we have a bigger coin and (either the stochastic approximation didn't find a good solution,
+ // or the next bigger coin is closer), return the bigger coin
+ if (coinLowestLarger.second.first &&
+ ((nBest != nTargetValue && nBest < nTargetValue + CENT) || coinLowestLarger.first <= nBest))
{
setCoinsRet.insert(coinLowestLarger.second);
nValueRet += coinLowestLarger.first;
nValueRet += vValue[i].first;
}
- //// debug print
- if (fDebug && GetBoolArg("-printselectcoin"))
+ if (fDebug && GetBoolArg("-printpriority"))
{
+ //// debug print
printf("SelectCoins() best subset: ");
for (unsigned int i = 0; i < vValue.size(); i++)
if (vfBest[i])
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
{
- return (SelectCoinsMinConf(nTargetValue, nSpendTime, 1, 6, setCoinsRet, nValueRet) ||
- SelectCoinsMinConf(nTargetValue, nSpendTime, 1, 1, setCoinsRet, nValueRet) ||
- SelectCoinsMinConf(nTargetValue, nSpendTime, 0, 1, setCoinsRet, nValueRet));
-}
-
+ vector<COutput> 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)
+ {
+ 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));
+}
-bool CWallet::CreateTransaction(const vector<pair<CScript, int64> >& vecSend, CWalletTx& wtxNew, CReserveKey& reservekey, int64& nFeeRet)
+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 (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
- vector<unsigned char> 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.SetBitcoinAddress(vchPubKey);
+
+ // 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);
+ int64 nMinFee = wtxNew.GetMinFee(1, false, GMF_SEND, nBytes);
+
if (nFeeRet < max(nPayFee, nMinFee))
{
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 weight
+uint64 CWallet::GetStakeWeight(const CKeyStore& keystore, enum StakeWeightMode mode)
+{
+ LOCK2(cs_main, cs_wallet);
+
+ // Choose coins to use
+ int64 nBalance = GetBalance();
+ int64 nReserveBalance = 0;
+ uint64 nCoinAge = 0;
+
+ if (mapArgs.count("-reservebalance") && !ParseMoney(mapArgs["-reservebalance"], nReserveBalance))
+ {
+ error("GetStakeWeight : invalid reserve balance amount");
+ return 0;
+ }
+
+ if (nBalance <= nReserveBalance)
+ return 0;
+
+ set<pair<const CWalletTx*,unsigned int> > setCoins;
+ vector<const CWalletTx*> vwtxPrev;
+ int64 nValueIn = 0;
+ if (!SelectCoins(nBalance - nReserveBalance, GetTime(), setCoins, nValueIn))
+ return 0;
+ if (setCoins.empty())
+ return 0;
+
+ BOOST_FOREACH(PAIRTYPE(const CWalletTx*, unsigned int) pcoin, setCoins)
+ {
+ CTxDB txdb("r");
+ CTxIndex txindex;
+ if (!txdb.ReadTxIndex(pcoin.first->GetHash(), txindex))
+ continue;
+
+ unsigned int nTime = pcoin.first->nTime;
+
+ switch(mode)
+ {
+ case STAKE_NORMAL:
+ // Do not count input that is still less than 30 days old
+ if (nTime + nStakeMinAge > GetTime())
+ continue;
+ break;
+ case STAKE_MAXWEIGHT:
+ // Do not count input that is still less than 90 days old
+ if (nTime + nStakeMaxAge > GetTime())
+ continue;
+ break;
+ case STAKE_MINWEIGHT:
+ // Count only inputs with suitable age (from 30 to 90 days old)
+ if (nTime + nStakeMaxAge < GetTime())
+ continue;
+ if (nTime + nStakeMinAge > GetTime())
+ continue;
+ break;
+ }
+
+ int64 nTimeWeight;
+
+ // Kernel hash weight starts from 0 at the 30-day min age
+ // this change increases active coins participating the hash and helps
+ // to secure the network when proof-of-stake difficulty is low
+ //
+ if(fTestNet || (STAKEWEIGHT_SWITCH_TIME < nTime))
+ {
+ // New rule since 01 Jan 2014: Maximum TimeWeight is 90 days.
+ nTimeWeight = min((int64)GetTime() - nTime - nStakeMinAge, (int64)nStakeMaxAge);
+ }
+ else
+ {
+ // Current rule: Maximum TimeWeight is 60 days.
+ nTimeWeight = min((int64)GetTime() - nTime, (int64)nStakeMaxAge) - nStakeMinAge;
+ }
+
+ CBigNum bnCoinDayWeight = CBigNum(pcoin.first->vout[pcoin.second].nValue) * nTimeWeight / COIN / (24 * 60 * 60);
+
+ nCoinAge += bnCoinDayWeight.getuint64();
+ }
+
+ if (fDebug && GetBoolArg("-printcoinage"))
+ printf("StakeWeight bnCoinDay=%"PRI64d"\n", nCoinAge);
+
+ return nCoinAge;
}
// ppcoin: create coin stake transaction
-bool CWallet::CreateCoinStake(unsigned int nBits, CTransaction& txNew)
+bool CWallet::CreateCoinStake(const CKeyStore& keystore, unsigned int nBits, int64 nSearchInterval, CTransaction& txNew)
{
+ // The following split & combine thresholds are 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);
if (setCoins.empty())
return false;
int64 nCredit = 0;
+ CScript scriptPubKeyKernel;
BOOST_FOREACH(PAIRTYPE(const CWalletTx*, unsigned int) pcoin, setCoins)
{
CTxDB txdb("r");
CBlock block;
if (!block.ReadFromDisk(txindex.pos.nFile, txindex.pos.nBlockPos, false))
continue;
- if (block.GetBlockTime() + STAKE_MIN_AGE > txNew.nTime)
+ static int nMaxStakeSearchInterval = 60;
+ if (block.GetBlockTime() + nStakeMinAge > txNew.nTime - nMaxStakeSearchInterval)
continue; // only count coins meeting min age requirement
- int64 nValueIn = pcoin.first->vout[pcoin.second].nValue;
- CBigNum bnCoinDay = CBigNum(nValueIn) * (txNew.nTime-pcoin.first->nTime) / COIN / (24 * 60 * 60);
- // Calculate hash
- CDataStream ss(SER_GETHASH, 0);
- ss << nBits << block.nTime << (txindex.pos.nTxPos - txindex.pos.nBlockPos) << pcoin.first->nTime << pcoin.second << txNew.nTime;
- if (CBigNum(Hash(ss.begin(), ss.end())) <= bnCoinDay * bnTargetPerCoinDay)
+ bool fKernelFound = false;
+ for (unsigned int n=0; n<min(nSearchInterval,(int64)nMaxStakeSearchInterval) && !fKernelFound && !fShutdown; n++)
{
- txNew.vin.push_back(CTxIn(pcoin.first->GetHash(), pcoin.second));
- nCredit += pcoin.first->vout[pcoin.second].nValue;
- vwtxPrev.push_back(pcoin.first);
- // Set output scriptPubKey
- txNew.vout.push_back(CTxOut(0, pcoin.first->vout[pcoin.second].scriptPubKey));
- break;
+ // 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))
+ {
+ // 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;
+ }
+ 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
+ CKey key;
+ 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;
+ }
+ else
+ 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 (block.GetBlockTime() + nStakeSplitAge > txNew.nTime)
+ txNew.vout.push_back(CTxOut(0, scriptPubKeyOut)); //split stake
+ if (fDebug && GetBoolArg("-printcoinstake"))
+ printf("CreateCoinStake : added kernel type=%d\n", whichType);
+ fKernelFound = true;
+ 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 of the same key
- if (pcoin.first->vout[pcoin.second].scriptPubKey == txNew.vout[1].scriptPubKey && pcoin.first->GetHash() != txNew.vin[0].prevout.hash)
+ // 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))
+ && pcoin.first->GetHash() != txNew.vin[0].prevout.hash)
{
+ // Stop adding more inputs if already too many inputs
+ if (txNew.vin.size() >= 100)
+ break;
// Stop adding more inputs if value is already pretty significant
- if (nCredit > MAX_MINT_PROOF_OF_WORK)
+ if (nCredit > nCombineThreshold)
break;
// Stop adding inputs if reached reserve limit
if (nCredit + pcoin.first->vout[pcoin.second].nValue > nBalance - nReserveBalance)
break;
// Do not add additional significant input
- if (pcoin.first->vout[pcoin.second].nValue > MAX_MINT_PROOF_OF_WORK)
+ 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)
continue;
txNew.vin.push_back(CTxIn(pcoin.first->GetHash(), pcoin.second));
nCredit += pcoin.first->vout[pcoin.second].nValue;
CTxDB txdb("r");
if (!txNew.GetCoinAge(txdb, nCoinAge))
return error("CreateCoinStake : failed to calculate coin age");
- nCredit += GetProofOfStakeReward(nCoinAge);
+ nCredit += GetProofOfStakeReward(nCoinAge, nBits, txNew.nTime);
}
- // Set output amount
- txNew.vout[1].nValue = nCredit;
- // Sign
- int nIn = 0;
- BOOST_FOREACH(const CWalletTx* pcoin, vwtxPrev)
+ int64 nMinFee = 0;
+ while (true)
{
- if (!SignSignature(*this, *pcoin, txNew, nIn++))
- return error("CreateCoinStake : failed to sign coinstake");
- }
+ // Set output amount
+ if (txNew.vout.size() == 3)
+ {
+ txNew.vout[1].nValue = ((nCredit - nMinFee) / 2 / CENT) * CENT;
+ txNew.vout[2].nValue = nCredit - nMinFee - txNew.vout[1].nValue;
+ }
+ else
+ txNew.vout[1].nValue = nCredit - nMinFee;
- // Limit size
- unsigned int nBytes = ::GetSerializeSize(txNew, SER_NETWORK, PROTOCOL_VERSION);
- if (nBytes >= MAX_BLOCK_SIZE_GEN/5)
- return false;
+ // Sign
+ int nIn = 0;
+ BOOST_FOREACH(const CWalletTx* pcoin, vwtxPrev)
+ {
+ if (!SignSignature(*this, *pcoin, txNew, nIn++))
+ return error("CreateCoinStake : failed to sign coinstake");
+ }
+
+ // Limit size
+ unsigned int nBytes = ::GetSerializeSize(txNew, SER_NETWORK, PROTOCOL_VERSION);
+ if (nBytes >= MAX_BLOCK_SIZE_GEN/5)
+ return error("CreateCoinStake : exceeded coinstake size limit");
+
+ // Check enough fee is paid
+ if (nMinFee < txNew.GetMinFee() - MIN_TX_FEE)
+ {
+ nMinFee = txNew.GetMinFee() - MIN_TX_FEE;
+ continue; // try signing again
+ }
+ else
+ {
+ if (fDebug && GetBoolArg("-printfee"))
+ printf("CreateCoinStake : fee for coinstake %s\n", FormatMoney(nMinFee).c_str());
+ break;
+ }
+ }
// Successfully generated coinstake
return true;
}
+
// Call after CreateTransaction unless you want to abort
bool CWallet::CommitTransaction(CWalletTx& wtxNew, CReserveKey& reservekey)
{
coin.BindWallet(this);
coin.MarkSpent(txin.prevout.n);
coin.WriteToDisk();
- vWalletUpdated.push_back(coin.GetHash());
+ NotifyTransactionChanged(this, coin.GetHash(), CT_UPDATED);
}
if (fFileBacked)
}
wtxNew.RelayWalletTransaction();
}
- MainFrameRepaint();
return true;
}
return strError;
}
- if (fAskFee && !ThreadSafeAskFee(nFeeRequired, _("Sending...")))
+ if (fAskFee && !uiInterface.ThreadSafeAskFee(nFeeRequired, _("Sending...")))
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.");
- MainFrameRepaint();
return "";
}
-string CWallet::SendMoneyToBitcoinAddress(const CBitcoinAddress& address, int64 nValue, CWalletTx& wtxNew, bool fAskFee)
+string CWallet::SendMoneyToDestination(const CTxDestination& address, int64 nValue, CWalletTx& wtxNew, bool fAskFee)
{
// Check amount
if (nValue <= 0)
if (nValue + nTransactionFee > GetBalance())
return _("Insufficient funds");
- // Parse bitcoin address
+ // Parse Bitcoin address
CScript scriptPubKey;
- scriptPubKey.SetBitcoinAddress(address);
+ scriptPubKey.SetDestination(address);
return SendMoney(scriptPubKey, nValue, wtxNew, fAskFee);
}
-int CWallet::LoadWallet(bool& fFirstRunRet)
+DBErrors CWallet::LoadWallet(bool& fFirstRunRet)
{
if (!fFileBacked)
- return false;
+ return DB_LOAD_OK;
fFirstRunRet = false;
- int nLoadWalletRet = CWalletDB(strWalletFile,"cr+").LoadWallet(this);
+ DBErrors nLoadWalletRet = CWalletDB(strWalletFile,"cr+").LoadWallet(this);
if (nLoadWalletRet == DB_NEED_REWRITE)
{
if (CDB::Rewrite(strWalletFile, "\x04pool"))
// User will be prompted to unlock wallet the next operation
// the requires a new key.
}
- nLoadWalletRet = DB_NEED_REWRITE;
}
if (nLoadWalletRet != DB_LOAD_OK)
return nLoadWalletRet;
- fFirstRunRet = vchDefaultKey.empty();
+ fFirstRunRet = !vchDefaultKey.IsValid();
- CreateThread(ThreadFlushWalletDB, &strWalletFile);
+ NewThread(ThreadFlushWalletDB, &strWalletFile);
return DB_LOAD_OK;
}
-bool CWallet::SetAddressBookName(const CBitcoinAddress& address, const string& strName)
+bool CWallet::SetAddressBookName(const CTxDestination& address, const string& strName)
{
+ std::map<CTxDestination, std::string>::iterator mi = mapAddressBook.find(address);
mapAddressBook[address] = strName;
- AddressBookRepaint();
+ NotifyAddressBookChanged(this, address, strName, ::IsMine(*this, address), (mi == mapAddressBook.end()) ? CT_NEW : CT_UPDATED);
if (!fFileBacked)
return false;
- return CWalletDB(strWalletFile).WriteName(address.ToString(), strName);
+ return CWalletDB(strWalletFile).WriteName(CBitcoinAddress(address).ToString(), strName);
}
-bool CWallet::DelAddressBookName(const CBitcoinAddress& address)
+bool CWallet::DelAddressBookName(const CTxDestination& address)
{
mapAddressBook.erase(address);
- AddressBookRepaint();
+ NotifyAddressBookChanged(this, address, "", ::IsMine(*this, address), CT_DELETED);
if (!fFileBacked)
return false;
- return CWalletDB(strWalletFile).EraseName(address.ToString());
+ return CWalletDB(strWalletFile).EraseName(CBitcoinAddress(address).ToString());
}
if (block.IsProofOfWork() && mapWallet.count(block.vtx[0].GetHash()))
{
CWalletTx& wtx = mapWallet[block.vtx[0].GetHash()];
- printf(" mine: %d %d %s", wtx.GetDepthInMainChain(), wtx.GetBlocksToMaturity(), FormatMoney(wtx.GetCredit()).c_str());
+ printf(" mine: %d %d %"PRI64d"", wtx.GetDepthInMainChain(), wtx.GetBlocksToMaturity(), wtx.GetCredit());
}
if (block.IsProofOfStake() && mapWallet.count(block.vtx[1].GetHash()))
{
CWalletTx& wtx = mapWallet[block.vtx[1].GetHash()];
- printf(" stake: %d %d %s", wtx.GetDepthInMainChain(), wtx.GetBlocksToMaturity(), FormatMoney(wtx.GetCredit()).c_str());
- }
+ printf(" stake: %d %d %"PRI64d"", wtx.GetDepthInMainChain(), wtx.GetBlocksToMaturity(), wtx.GetCredit());
+ }
+
}
printf("\n");
}
return false;
}
-bool CWallet::SetDefaultKey(const std::vector<unsigned char> &vchPubKey)
+bool CWallet::SetDefaultKey(const CPubKey &vchPubKey)
{
if (fFileBacked)
{
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;
if (!walletdb.WritePool(nEnd, CKeyPool(GenerateNewKey())))
throw runtime_error("TopUpKeyPool() : writing generated key failed");
setKeyPool.insert(nEnd);
- printf("keypool added key %"PRI64d", size=%d\n", nEnd, setKeyPool.size());
+ printf("keypool added key %"PRI64d", size=%"PRIszu"\n", nEnd, setKeyPool.size());
}
}
return true;
void CWallet::ReserveKeyFromKeyPool(int64& nIndex, CKeyPool& keypool)
{
nIndex = -1;
- keypool.vchPubKey.clear();
+ keypool.vchPubKey = CPubKey();
{
LOCK(cs_wallet);
setKeyPool.erase(setKeyPool.begin());
if (!walletdb.ReadPool(nIndex, keypool))
throw runtime_error("ReserveKeyFromKeyPool() : read failed");
- if (!HaveKey(Hash160(keypool.vchPubKey)))
+ if (!HaveKey(keypool.vchPubKey.GetID()))
throw runtime_error("ReserveKeyFromKeyPool() : unknown key in key pool");
- assert(!keypool.vchPubKey.empty());
+ assert(keypool.vchPubKey.IsValid());
if (fDebug && GetBoolArg("-printkeypool"))
printf("keypool reserve %"PRI64d"\n", nIndex);
}
CWalletDB walletdb(strWalletFile);
walletdb.ErasePool(nIndex);
}
- printf("keypool keep %"PRI64d"\n", nIndex);
+ if(fDebug)
+ printf("keypool keep %"PRI64d"\n", nIndex);
}
void CWallet::ReturnKey(int64 nIndex)
LOCK(cs_wallet);
setKeyPool.insert(nIndex);
}
- if (fDebug && GetBoolArg("-printkeypool"))
+ if(fDebug)
printf("keypool return %"PRI64d"\n", nIndex);
}
-bool CWallet::GetKeyFromPool(vector<unsigned char>& result, bool fAllowReuse)
+bool CWallet::GetKeyFromPool(CPubKey& result, bool fAllowReuse)
{
int64 nIndex = 0;
CKeyPool keypool;
ReserveKeyFromKeyPool(nIndex, keypool);
if (nIndex == -1)
{
- if (fAllowReuse && !vchDefaultKey.empty())
+ if (fAllowReuse && vchDefaultKey.IsValid())
{
result = vchDefaultKey;
return true;
return keypool.nTime;
}
-// ppcoin: check 'spent' consistency between wallet and txindex
-bool CWallet::CheckSpentCoins(int& nMismatchFound, int64& nBalanceInQuestion)
+std::map<CTxDestination, int64> CWallet::GetAddressBalances()
{
- nMismatchFound = 0;
- nBalanceInQuestion = 0;
+ map<CTxDestination, int64> balances;
- LOCK(cs_wallet);
- vector<const CWalletTx*> vCoins;
- vCoins.reserve(mapWallet.size());
- for (map<uint256, CWalletTx>::const_iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
- vCoins.push_back(&(*it).second);
-
- CTxDB txdb("r");
- BOOST_FOREACH(const CWalletTx* pcoin, vCoins)
{
- // Find the corresponding transaction index
- CTxIndex txindex;
- if (!txdb.ReadTxIndex(pcoin->GetHash(), txindex))
- continue;
- for (int n=0; n < pcoin->vout.size(); n++)
+ LOCK(cs_wallet);
+ BOOST_FOREACH(PAIRTYPE(uint256, CWalletTx) walletEntry, mapWallet)
{
- if (pcoin->IsSpent(n) && (txindex.vSpent.size() <= n || txindex.vSpent[n].IsNull()))
+ CWalletTx *pcoin = &walletEntry.second;
+
+ if (!pcoin->IsFinal() || !pcoin->IsConfirmed())
+ continue;
+
+ if ((pcoin->IsCoinBase() || pcoin->IsCoinStake()) && pcoin->GetBlocksToMaturity() > 0)
+ continue;
+
+ int nDepth = pcoin->GetDepthInMainChain();
+ if (nDepth < (pcoin->IsFromMe() ? 0 : 1))
+ continue;
+
+ for (unsigned int i = 0; i < pcoin->vout.size(); i++)
{
- printf("CheckSpentCoins found lost coin %sppc %s[%d]\n", FormatMoney(pcoin->GetCredit()).c_str(), pcoin->GetHash().ToString().c_str(), n);
- nMismatchFound++;
- nBalanceInQuestion += pcoin->vout[n].nValue;
+ CTxDestination addr;
+ if (!IsMine(pcoin->vout[i]))
+ continue;
+ if(!ExtractDestination(pcoin->vout[i].scriptPubKey, addr))
+ continue;
+
+ int64 n = pcoin->IsSpent(i) ? 0 : pcoin->vout[i].nValue;
+
+ if (!balances.count(addr))
+ balances[addr] = 0;
+ balances[addr] += n;
+ }
+ }
+ }
+
+ return balances;
+}
+
+set< set<CTxDestination> > CWallet::GetAddressGroupings()
+{
+ set< set<CTxDestination> > groupings;
+ set<CTxDestination> grouping;
+
+ BOOST_FOREACH(PAIRTYPE(uint256, CWalletTx) walletEntry, mapWallet)
+ {
+ CWalletTx *pcoin = &walletEntry.second;
+
+ if (pcoin->vin.size() > 0 && IsMine(pcoin->vin[0]))
+ {
+ // group all input addresses with each other
+ BOOST_FOREACH(CTxIn txin, pcoin->vin)
+ {
+ CTxDestination address;
+ if(!ExtractDestination(mapWallet[txin.prevout.hash].vout[txin.prevout.n].scriptPubKey, address))
+ continue;
+ grouping.insert(address);
}
- else if (!pcoin->IsSpent(n) && (txindex.vSpent.size() > n && !txindex.vSpent[n].IsNull()))
+
+ // group change with input addresses
+ BOOST_FOREACH(CTxOut txout, pcoin->vout)
+ if (IsChange(txout))
+ {
+ CWalletTx tx = mapWallet[pcoin->vin[0].prevout.hash];
+ CTxDestination txoutAddr;
+ if(!ExtractDestination(txout.scriptPubKey, txoutAddr))
+ continue;
+ grouping.insert(txoutAddr);
+ }
+ groupings.insert(grouping);
+ grouping.clear();
+ }
+
+ // group lone addrs by themselves
+ for (unsigned int i = 0; i < pcoin->vout.size(); i++)
+ if (IsMine(pcoin->vout[i]))
{
- printf("CheckSpentCoins found spent coin %sppc %s[%d]\n", FormatMoney(pcoin->GetCredit()).c_str(), pcoin->GetHash().ToString().c_str(), n);
- nMismatchFound++;
- nBalanceInQuestion += pcoin->vout[n].nValue;
+ CTxDestination address;
+ if(!ExtractDestination(pcoin->vout[i].scriptPubKey, address))
+ continue;
+ grouping.insert(address);
+ groupings.insert(grouping);
+ grouping.clear();
}
+ }
+
+ set< set<CTxDestination>* > uniqueGroupings; // a set of pointers to groups of addresses
+ map< CTxDestination, set<CTxDestination>* > setmap; // map addresses to the unique group containing it
+ BOOST_FOREACH(set<CTxDestination> grouping, groupings)
+ {
+ // make a set of all the groups hit by this new group
+ set< set<CTxDestination>* > hits;
+ map< CTxDestination, set<CTxDestination>* >::iterator it;
+ BOOST_FOREACH(CTxDestination address, grouping)
+ if ((it = setmap.find(address)) != setmap.end())
+ hits.insert((*it).second);
+
+ // merge all hit groups into a new single group and delete old groups
+ set<CTxDestination>* merged = new set<CTxDestination>(grouping);
+ BOOST_FOREACH(set<CTxDestination>* hit, hits)
+ {
+ merged->insert(hit->begin(), hit->end());
+ uniqueGroupings.erase(hit);
+ delete hit;
}
+ uniqueGroupings.insert(merged);
+
+ // update setmap
+ BOOST_FOREACH(CTxDestination element, *merged)
+ setmap[element] = merged;
+ }
+
+ set< set<CTxDestination> > ret;
+ BOOST_FOREACH(set<CTxDestination>* uniqueGrouping, uniqueGroupings)
+ {
+ ret.insert(*uniqueGrouping);
+ delete uniqueGrouping;
}
- return (nMismatchFound == 0);
+
+ return ret;
}
+// ppcoin: check 'spent' consistency between wallet and txindex
// ppcoin: fix wallet spent state according to txindex
-void CWallet::FixSpentCoins(int& nMismatchFound, int64& nBalanceInQuestion)
+void CWallet::FixSpentCoins(int& nMismatchFound, int64& nBalanceInQuestion, bool fCheckOnly)
{
nMismatchFound = 0;
nBalanceInQuestion = 0;
CTxIndex txindex;
if (!txdb.ReadTxIndex(pcoin->GetHash(), txindex))
continue;
- for (int n=0; n < pcoin->vout.size(); n++)
+ for (unsigned int n=0; n < pcoin->vout.size(); n++)
{
- if (pcoin->IsSpent(n) && (txindex.vSpent.size() <= n || txindex.vSpent[n].IsNull()))
+ if (IsMine(pcoin->vout[n]) && pcoin->IsSpent(n) && (txindex.vSpent.size() <= n || txindex.vSpent[n].IsNull()))
{
- printf("FixSpentCoins found lost coin %sppc %s[%d]\n", FormatMoney(pcoin->GetCredit()).c_str(), pcoin->GetHash().ToString().c_str(), n);
+ printf("FixSpentCoins found lost coin %sppc %s[%d], %s\n",
+ FormatMoney(pcoin->vout[n].nValue).c_str(), pcoin->GetHash().ToString().c_str(), n, fCheckOnly? "repair not attempted" : "repairing");
nMismatchFound++;
nBalanceInQuestion += pcoin->vout[n].nValue;
- pcoin->MarkUnspent(n);
- pcoin->WriteToDisk();
+ if (!fCheckOnly)
+ {
+ pcoin->MarkUnspent(n);
+ pcoin->WriteToDisk();
+ }
}
- else if (!pcoin->IsSpent(n) && (txindex.vSpent.size() > n && !txindex.vSpent[n].IsNull()))
+ else if (IsMine(pcoin->vout[n]) && !pcoin->IsSpent(n) && (txindex.vSpent.size() > n && !txindex.vSpent[n].IsNull()))
{
- printf("FixSpentCoins found spent coin %sppc %s[%d]\n", FormatMoney(pcoin->GetCredit()).c_str(), pcoin->GetHash().ToString().c_str(), n);
+ printf("FixSpentCoins found spent coin %sppc %s[%d], %s\n",
+ FormatMoney(pcoin->vout[n].nValue).c_str(), pcoin->GetHash().ToString().c_str(), n, fCheckOnly? "repair not attempted" : "repairing");
nMismatchFound++;
nBalanceInQuestion += pcoin->vout[n].nValue;
- pcoin->MarkSpent(n);
- pcoin->WriteToDisk();
+ if (!fCheckOnly)
+ {
+ pcoin->MarkSpent(n);
+ pcoin->WriteToDisk();
+ }
}
}
}
}
}
-vector<unsigned char> CReserveKey::GetReservedKey()
+CPubKey CReserveKey::GetReservedKey()
{
if (nIndex == -1)
{
vchPubKey = keypool.vchPubKey;
else
{
- printf("CReserveKey::GetReservedKey(): Warning: using default key instead of a new key, top up your keypool.");
+ printf("CReserveKey::GetReservedKey(): Warning: Using default key instead of a new key, top up your keypool!");
vchPubKey = pwallet->vchDefaultKey;
}
}
- assert(!vchPubKey.empty());
+ assert(vchPubKey.IsValid());
return vchPubKey;
}
if (nIndex != -1)
pwallet->KeepKey(nIndex);
nIndex = -1;
- vchPubKey.clear();
+ vchPubKey = CPubKey();
}
void CReserveKey::ReturnKey()
if (nIndex != -1)
pwallet->ReturnKey(nIndex);
nIndex = -1;
- vchPubKey.clear();
+ vchPubKey = CPubKey();
}
-void CWallet::GetAllReserveAddresses(set<CBitcoinAddress>& setAddress)
+void CWallet::GetAllReserveKeys(set<CKeyID>& setAddress) const
{
setAddress.clear();
CKeyPool keypool;
if (!walletdb.ReadPool(id, keypool))
throw runtime_error("GetAllReserveKeyHashes() : read failed");
- CBitcoinAddress address(keypool.vchPubKey);
- assert(!keypool.vchPubKey.empty());
- if (!HaveKey(address))
+ assert(keypool.vchPubKey.IsValid());
+ CKeyID keyID = keypool.vchPubKey.GetID();
+ if (!HaveKey(keyID))
throw runtime_error("GetAllReserveKeyHashes() : unknown key in key pool");
- setAddress.insert(address);
+ setAddress.insert(keyID);
+ }
+}
+
+void CWallet::UpdatedTransaction(const uint256 &hashTx)
+{
+ {
+ LOCK(cs_wallet);
+ // 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);
}
}
+
+void CWallet::GetKeyBirthTimes(std::map<CKeyID, int64> &mapKeyBirth) const {
+ mapKeyBirth.clear();
+
+ // get birth times for keys with metadata
+ for (std::map<CKeyID, CKeyMetadata>::const_iterator it = mapKeyMetadata.begin(); it != mapKeyMetadata.end(); it++)
+ if (it->second.nCreateTime)
+ mapKeyBirth[it->first] = it->second.nCreateTime;
+
+ // map in which we'll infer heights of other keys
+ CBlockIndex *pindexMax = FindBlockByHeight(std::max(0, nBestHeight - 144)); // the tip can be reorganised; use a 144-block safety margin
+ std::map<CKeyID, CBlockIndex*> mapKeyFirstBlock;
+ std::set<CKeyID> setKeys;
+ GetKeys(setKeys);
+ BOOST_FOREACH(const CKeyID &keyid, setKeys) {
+ if (mapKeyBirth.count(keyid) == 0)
+ mapKeyFirstBlock[keyid] = pindexMax;
+ }
+ setKeys.clear();
+
+ // if there are no such keys, we're done
+ if (mapKeyFirstBlock.empty())
+ return;
+
+ // find first block that affects those keys, if there are any left
+ std::vector<CKeyID> vAffected;
+ for (std::map<uint256, CWalletTx>::const_iterator it = mapWallet.begin(); it != mapWallet.end(); it++) {
+ // iterate over all wallet transactions...
+ const CWalletTx &wtx = (*it).second;
+ std::map<uint256, CBlockIndex*>::const_iterator blit = mapBlockIndex.find(wtx.hashBlock);
+ if (blit != mapBlockIndex.end() && blit->second->IsInMainChain()) {
+ // ... which are already in a block
+ int nHeight = blit->second->nHeight;
+ BOOST_FOREACH(const CTxOut &txout, wtx.vout) {
+ // iterate over all their outputs
+ ::ExtractAffectedKeys(*this, txout.scriptPubKey, vAffected);
+ BOOST_FOREACH(const CKeyID &keyid, vAffected) {
+ // ... and all their affected keys
+ std::map<CKeyID, CBlockIndex*>::iterator rit = mapKeyFirstBlock.find(keyid);
+ if (rit != mapKeyFirstBlock.end() && nHeight < rit->second->nHeight)
+ rit->second = blit->second;
+ }
+ vAffected.clear();
+ }
+ }
+ }
+
+ // Extract block timestamps for those keys
+ 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
+}