X-Git-Url: https://git.novaco.in/?p=novacoin.git;a=blobdiff_plain;f=src%2Fwallet.h;h=26cf745e3ca355868ca49dbcea3648cb08f39bc7;hp=a531944dcd74f82c4857b26538d00b37ab3a0459;hb=27e35b80c7f1b1bbf43f1d7b719a2569e8149f9f;hpb=440991a0f8dbdd6147e56ec55e3423429cee6e90

diff --git a/src/wallet.h b/src/wallet.h
index a531944..26cf745 100644
--- a/src/wallet.h
+++ b/src/wallet.h
@@ -1,22 +1,35 @@
 // Copyright (c) 2009-2010 Satoshi Nakamoto
 // Copyright (c) 2009-2012 The Bitcoin developers
-// Copyright (c) 2011-2012 The PPCoin developers
-// Copyright (c) 2012-2013 The NovaCoin developers
 // Distributed under the MIT/X11 software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 #ifndef BITCOIN_WALLET_H
 #define BITCOIN_WALLET_H
 
+#include <string>
+#include <vector>
+
+#include <stdlib.h>
+
 #include "main.h"
 #include "key.h"
 #include "keystore.h"
 #include "script.h"
+#include "ui_interface.h"
+#include "util.h"
+#include "walletdb.h"
+#include "base58.h"
 
+extern unsigned int nStakeMaxAge;
 extern bool fWalletUnlockMintOnly;
-
+extern bool fConfChange;
+class CAccountingEntry;
 class CWalletTx;
 class CReserveKey;
-class CWalletDB;
+class COutput;
+class CCoinControl;
+
+// Set of selected transactions
+typedef std::set<std::pair<const CWalletTx*,unsigned int> > CoinsSet;
 
 /** (client) version numbers for particular wallet features */
 enum WalletFeature
@@ -25,24 +38,23 @@ enum WalletFeature
 
     FEATURE_WALLETCRYPT = 40000, // wallet encryption
     FEATURE_COMPRPUBKEY = 60000, // compressed public keys
-
-    FEATURE_LATEST = 60000
+    FEATURE_MALLKEY = 60017,
+    FEATURE_LATEST = 60017
 };
 
-
 /** A key pool entry */
 class CKeyPool
 {
 public:
-    int64 nTime;
-    std::vector<unsigned char> vchPubKey;
+    int64_t nTime;
+    CPubKey vchPubKey;
 
     CKeyPool()
     {
         nTime = GetTime();
     }
 
-    CKeyPool(const std::vector<unsigned char>& vchPubKeyIn)
+    CKeyPool(const CPubKey& vchPubKeyIn)
     {
         nTime = GetTime();
         vchPubKey = vchPubKeyIn;
@@ -63,25 +75,36 @@ public:
 class CWallet : public CCryptoKeyStore
 {
 private:
-    bool SelectCoinsMinConf(int64 nTargetValue, unsigned int nSpendTime, int nConfMine, int nConfTheirs, std::set<std::pair<const CWalletTx*,unsigned int> >& setCoinsRet, int64& nValueRet) const;
-    bool SelectCoins(int64 nTargetValue, unsigned int nSpendTime, std::set<std::pair<const CWalletTx*,unsigned int> >& setCoinsRet, int64& nValueRet) const;
+    bool SelectCoins(int64_t nTargetValue, unsigned int nSpendTime, std::set<std::pair<const CWalletTx*,unsigned int> >& setCoinsRet, int64_t& nValueRet, const CCoinControl *coinControl=NULL) const;
 
-    CWalletDB *pwalletdbEncryption;
+    CWalletDB *pwalletdbEncryption, *pwalletdbDecryption;
 
     // the current wallet version: clients below this version are not able to load the wallet
     int nWalletVersion;
 
-    // the maxmimum wallet format version: memory-only variable that specifies to what version this wallet may be upgraded
+    // the maximum wallet format version: memory-only variable that specifies to what version this wallet may be upgraded
     int nWalletMaxVersion;
 
+    int64_t nNextResend;
+    int64_t nLastResend;
+
+    // stake mining statistics
+    uint64_t nKernelsTried;
+    uint64_t nCoinDaysTried;
+
 public:
     mutable CCriticalSection cs_wallet;
 
     bool fFileBacked;
     std::string strWalletFile;
 
-    std::set<int64> setKeyPool;
+    std::set<int64_t> setKeyPool;
+    /*
+    std::map<CKeyID, CKeyMetadata> mapKeyMetadata;
+    std::map<CMalleableKeyView, CKeyMetadata> mapMalleableKeyMetadata;
+    */
 
+    std::map<CBitcoinAddress, CKeyMetadata> mapKeyMetadata;
 
     typedef std::map<unsigned int, CMasterKey> MasterKeyMap;
     MasterKeyMap mapMasterKeys;
@@ -89,164 +112,173 @@ public:
 
     CWallet()
     {
-        nWalletVersion = FEATURE_BASE;
-        nWalletMaxVersion = FEATURE_BASE;
-        fFileBacked = false;
-        nMasterKeyMaxID = 0;
-        pwalletdbEncryption = NULL;
+        SetNull();
     }
     CWallet(std::string strWalletFileIn)
     {
-        nWalletVersion = FEATURE_BASE;
-        nWalletMaxVersion = FEATURE_BASE;
+        SetNull();
+
         strWalletFile = strWalletFileIn;
         fFileBacked = true;
+    }
+    void SetNull()
+    {
+        nWalletVersion = FEATURE_BASE;
+        nWalletMaxVersion = FEATURE_BASE;
+        fFileBacked = false;
         nMasterKeyMaxID = 0;
         pwalletdbEncryption = NULL;
+        pwalletdbDecryption = NULL;
+        nNextResend = 0;
+        nLastResend = 0;
+        nOrderPosNext = 0;
+        nKernelsTried = 0;
+        nCoinDaysTried = 0;
+        nTimeFirstKey = 0;
     }
 
     std::map<uint256, CWalletTx> mapWallet;
-    std::vector<uint256> vWalletUpdated;
-
+    std::vector<uint256> vMintingWalletUpdated;
+    int64_t nOrderPosNext;
     std::map<uint256, int> mapRequestCount;
 
     std::map<CBitcoinAddress, std::string> mapAddressBook;
 
-    std::vector<unsigned char> vchDefaultKey;
+    CPubKey vchDefaultKey;
+    int64_t nTimeFirstKey;
+
+    const CWalletTx* GetWalletTx(const uint256& hash) const;
 
     // check whether we are allowed to upgrade (or already support) to the named feature
     bool CanSupportFeature(enum WalletFeature wf) { return nWalletMaxVersion >= wf; }
 
+    void AvailableCoinsMinConf(std::vector<COutput>& vCoins, int nConf, int64_t nMinValue, int64_t nMaxValue) const;
+    void AvailableCoins(std::vector<COutput>& vCoins, bool fOnlyConfirmed=true, const CCoinControl *coinControl=NULL) const;
+    bool SelectCoinsMinConf(int64_t nTargetValue, unsigned int nSpendTime, int nConfMine, int nConfTheirs, std::vector<COutput> vCoins, std::set<std::pair<const CWalletTx*,unsigned int> >& setCoinsRet, int64_t& nValueRet) const;
+
+    // Simple select (without randomization)
+    bool SelectCoinsSimple(int64_t nTargetValue, int64_t nMinValue, int64_t nMaxValue, unsigned int nSpendTime, int nMinConf, std::set<std::pair<const CWalletTx*,unsigned int> >& setCoinsRet, int64_t& nValueRet) const;
+
     // keystore implementation
     // Generate a new key
-    std::vector<unsigned char> GenerateNewKey(bool bCompressed);
+    CPubKey GenerateNewKey();
+    CMalleableKeyView GenerateNewMalleableKey();
     // Adds a key to the store, and saves it to disk.
     bool AddKey(const CKey& key);
+    bool AddKey(const CMalleableKey& mKey);
     // Adds a key to the store, without saving it to disk (used by LoadWallet)
     bool LoadKey(const CKey& key) { return CCryptoKeyStore::AddKey(key); }
+    // Load metadata (used by LoadWallet)
+    bool LoadKeyMetadata(const CPubKey &pubkey, const CKeyMetadata &metadata);
+    bool LoadKeyMetadata(const CMalleableKeyView &keyView, const CKeyMetadata &metadata);
+
+    // Load malleable key without saving it to disk (used by LoadWallet)
+    bool LoadKey(const CMalleableKeyView &keyView, const CSecret &vchSecretH) { return CCryptoKeyStore::AddMalleableKey(keyView, vchSecretH); }
+    bool LoadCryptedKey(const CMalleableKeyView &keyView, const std::vector<unsigned char> &vchCryptedSecretH) { return CCryptoKeyStore::AddCryptedMalleableKey(keyView, vchCryptedSecretH); }
 
     bool LoadMinVersion(int nVersion) { nWalletVersion = nVersion; nWalletMaxVersion = std::max(nWalletMaxVersion, nVersion); return true; }
 
     // Adds an encrypted key to the store, and saves it to disk.
-    bool AddCryptedKey(const std::vector<unsigned char> &vchPubKey, const std::vector<unsigned char> &vchCryptedSecret);
+    bool AddCryptedKey(const CPubKey &vchPubKey, const std::vector<unsigned char> &vchCryptedSecret);
+    bool AddCryptedMalleableKey(const CMalleableKeyView& keyView, const std::vector<unsigned char> &vchCryptedSecretH);
     // Adds an encrypted key to the store, without saving it to disk (used by LoadWallet)
-    bool LoadCryptedKey(const std::vector<unsigned char> &vchPubKey, const std::vector<unsigned char> &vchCryptedSecret) { SetMinVersion(FEATURE_WALLETCRYPT); return CCryptoKeyStore::AddCryptedKey(vchPubKey, vchCryptedSecret); }
+    bool LoadCryptedKey(const CPubKey &vchPubKey, const std::vector<unsigned char> &vchCryptedSecret) { SetMinVersion(FEATURE_WALLETCRYPT); return CCryptoKeyStore::AddCryptedKey(vchPubKey, vchCryptedSecret); }
     bool AddCScript(const CScript& redeemScript);
-    bool LoadCScript(const CScript& redeemScript) { return CCryptoKeyStore::AddCScript(redeemScript); }
+    bool LoadCScript(const CScript& redeemScript);
+
+    // Adds a watch-only address to the store, and saves it to disk.
+    bool AddWatchOnly(const CScript &dest);
+    bool RemoveWatchOnly(const CScript &dest);
+    // Adds a watch-only address to the store, without saving it to disk (used by LoadWallet)
+    bool LoadWatchOnly(const CScript &dest);
 
     bool Unlock(const SecureString& strWalletPassphrase);
     bool ChangeWalletPassphrase(const SecureString& strOldWalletPassphrase, const SecureString& strNewWalletPassphrase);
     bool EncryptWallet(const SecureString& strWalletPassphrase);
+    bool DecryptWallet(const SecureString& strWalletPassphrase);
+
+    void GetAddresses(std::map<CBitcoinAddress, int64_t> &mapAddresses) const;
+    bool GetPEM(const CKeyID &keyID, const std::string &fileName, const SecureString &strPassPhrase) const;
+
+
+    /** Increment the next transaction order id
+        @return next transaction order id
+     */
+    int64_t IncOrderPosNext(CWalletDB *pwalletdb = NULL);
+
+    typedef std::pair<CWalletTx*, CAccountingEntry*> TxPair;
+    typedef std::multimap<int64_t, TxPair > TxItems;
+
+    /** Get the wallet's activity log
+        @return multimap of ordered transactions and accounting entries
+        @warning Returned pointers are *only* valid within the scope of passed acentries
+     */
+    TxItems OrderedTxItems(std::list<CAccountingEntry>& acentries, std::string strAccount = "");
 
     void MarkDirty();
     bool AddToWallet(const CWalletTx& wtxIn);
-    bool AddToWalletIfInvolvingMe(const CTransaction& tx, const CBlock* pblock, bool fUpdate = false, bool fFindBlock = false);
+    bool AddToWalletIfInvolvingMe(const CTransaction& tx, const CBlock* pblock, bool fUpdate = false);
     bool EraseFromWallet(uint256 hash);
-    void WalletUpdateSpent(const CTransaction& prevout);
+    void ClearOrphans();
+    void WalletUpdateSpent(const CTransaction& prevout, bool fBlock = false);
     int ScanForWalletTransactions(CBlockIndex* pindexStart, bool fUpdate = false);
     int ScanForWalletTransaction(const uint256& hashTx);
     void ReacceptWalletTransactions();
-    void ResendWalletTransactions();
-    int64 GetBalance() const;
-    int64 GetUnconfirmedBalance() const;
-    int64 GetStake() const;
-    int64 GetNewMint() const;
-    bool CreateTransaction(const std::vector<std::pair<CScript, int64> >& vecSend, CWalletTx& wtxNew, CReserveKey& reservekey, int64& nFeeRet);
-    bool CreateTransaction(CScript scriptPubKey, int64 nValue, CWalletTx& wtxNew, CReserveKey& reservekey, int64& nFeeRet);
-    bool CreateCoinStake(const CKeyStore& keystore, unsigned int nBits, int64 nSearchInterval, CTransaction& txNew);
+    void ResendWalletTransactions(int64_t nBestBlockTime);
+    std::vector<uint256> ResendWalletTransactionsBefore(int64_t nTime);
+    int64_t GetBalance() const;
+    int64_t GetWatchOnlyBalance() const;
+    int64_t GetUnconfirmedBalance() const;
+    int64_t GetUnconfirmedWatchOnlyBalance() const;
+    int64_t GetImmatureBalance() const;
+    int64_t GetImmatureWatchOnlyBalance() const;
+    int64_t GetStake() const;
+    int64_t GetNewMint() const;
+    int64_t GetWatchOnlyStake() const;
+    int64_t GetWatchOnlyNewMint() const;
+    bool CreateTransaction(const std::vector<std::pair<CScript, int64_t> >& vecSend, CWalletTx& wtxNew, CReserveKey& reservekey, int64_t& nFeeRet, const CCoinControl *coinControl=NULL);
+    bool CreateTransaction(CScript scriptPubKey, int64_t nValue, CWalletTx& wtxNew, CReserveKey& reservekey, int64_t& nFeeRet, const CCoinControl *coinControl=NULL);
     bool CommitTransaction(CWalletTx& wtxNew, CReserveKey& reservekey);
-    std::string SendMoney(CScript scriptPubKey, int64 nValue, CWalletTx& wtxNew, bool fAskFee=false);
-    std::string SendMoneyToBitcoinAddress(const CBitcoinAddress& address, int64 nValue, CWalletTx& wtxNew, bool fAskFee=false);
-
-    bool NewKeyPool();
-    bool TopUpKeyPool();
-    int64 AddReserveKey(const CKeyPool& keypool);
-    void ReserveKeyFromKeyPool(int64& nIndex, CKeyPool& keypool);
-    void KeepKey(int64 nIndex);
-    void ReturnKey(int64 nIndex);
-    bool GetKeyFromPool(std::vector<unsigned char> &key, bool fAllowReuse=true);
-    int64 GetOldestKeyPoolTime();
-    void GetAllReserveAddresses(std::set<CBitcoinAddress>& setAddress);
-
-    bool IsMine(const CTxIn& txin) const;
-    int64 GetDebit(const CTxIn& txin) const;
-    bool IsMine(const CTxOut& txout) const
-    {
-        return ::IsMine(*this, txout.scriptPubKey);
-    }
-    int64 GetCredit(const CTxOut& txout) const
-    {
-        if (!MoneyRange(txout.nValue))
-            throw std::runtime_error("CWallet::GetCredit() : value out of range");
-        return (IsMine(txout) ? txout.nValue : 0);
-    }
+
+    void GetStakeWeightFromValue(const int64_t& nTime, const int64_t& nValue, uint64_t& nWeight);
+    bool CreateCoinStake(uint256 &hashTx, uint32_t nOut, uint32_t nTime, uint32_t nBits, CTransaction &txNew, CKey& key);
+    bool MergeCoins(const int64_t& nAmount, const int64_t& nMinValue, const int64_t& nMaxValue, std::list<uint256>& listMerged);
+
+    std::string SendMoney(CScript scriptPubKey, int64_t nValue, CWalletTx& wtxNew, bool fAskFee=false);
+
+    bool NewKeyPool(unsigned int nSize = 0);
+    bool TopUpKeyPool(unsigned int nSize = 0);
+    int64_t AddReserveKey(const CKeyPool& keypool);
+    void ReserveKeyFromKeyPool(int64_t& nIndex, CKeyPool& keypool);
+    void KeepKey(int64_t nIndex);
+    void ReturnKey(int64_t nIndex);
+    bool GetKeyFromPool(CPubKey &key, bool fAllowReuse=true);
+    int64_t GetOldestKeyPoolTime();
+    void GetAllReserveKeys(std::set<CKeyID>& setAddress) const;
+
+    std::set< std::set<CBitcoinAddress> > GetAddressGroupings();
+    std::map<CBitcoinAddress, int64_t> GetAddressBalances();
+
+    isminetype IsMine(const CTxIn& txin) const;
+    int64_t GetDebit(const CTxIn& txin, const isminefilter& filter) const;
+    isminetype IsMine(const CTxOut& txout) const;
+    int64_t GetCredit(const CTxOut& txout, const isminefilter& filter) const;
     bool IsChange(const CTxOut& txout) const;
-    int64 GetChange(const CTxOut& txout) const
-    {
-        if (!MoneyRange(txout.nValue))
-            throw std::runtime_error("CWallet::GetChange() : value out of range");
-        return (IsChange(txout) ? txout.nValue : 0);
-    }
-    bool IsMine(const CTransaction& tx) const
-    {
-        BOOST_FOREACH(const CTxOut& txout, tx.vout)
-            if (IsMine(txout))
-                return true;
-        return false;
-    }
-    bool IsFromMe(const CTransaction& tx) const
-    {
-        return (GetDebit(tx) > 0);
-    }
-    int64 GetDebit(const CTransaction& tx) const
-    {
-        int64 nDebit = 0;
-        BOOST_FOREACH(const CTxIn& txin, tx.vin)
-        {
-            nDebit += GetDebit(txin);
-            if (!MoneyRange(nDebit))
-                throw std::runtime_error("CWallet::GetDebit() : value out of range");
-        }
-        return nDebit;
-    }
-    int64 GetCredit(const CTransaction& tx) const
-    {
-        int64 nCredit = 0;
-        BOOST_FOREACH(const CTxOut& txout, tx.vout)
-        {
-            nCredit += GetCredit(txout);
-            if (!MoneyRange(nCredit))
-                throw std::runtime_error("CWallet::GetCredit() : value out of range");
-        }
-        return nCredit;
-    }
-    int64 GetChange(const CTransaction& tx) const
-    {
-        int64 nChange = 0;
-        BOOST_FOREACH(const CTxOut& txout, tx.vout)
-        {
-            nChange += GetChange(txout);
-            if (!MoneyRange(nChange))
-                throw std::runtime_error("CWallet::GetChange() : value out of range");
-        }
-        return nChange;
-    }
+    int64_t GetChange(const CTxOut& txout) const;
+    bool IsMine(const CTransaction& tx) const;
+    bool IsFromMe(const CTransaction& tx) const;
+    int64_t GetDebit(const CTransaction& tx, const isminefilter& filter) const;
+    int64_t GetCredit(const CTransaction& tx, const isminefilter& filter) const;
+    int64_t GetChange(const CTransaction& tx) const;
     void SetBestChain(const CBlockLocator& loc);
 
-    int LoadWallet(bool& fFirstRunRet);
+    DBErrors LoadWallet(bool& fFirstRunRet);
+    DBErrors ZapWalletTx();
 
+    bool SetAddressBookName(const CTxDestination& address, const std::string& strName);
     bool SetAddressBookName(const CBitcoinAddress& address, const std::string& strName);
-
     bool DelAddressBookName(const CBitcoinAddress& address);
-
-    void UpdatedTransaction(const uint256 &hashTx)
-    {
-        {
-            LOCK(cs_wallet);
-            vWalletUpdated.push_back(hashTx);
-        }
-    }
-
+    void UpdatedTransaction(const uint256 &hashTx);
     void PrintWallet(const CBlock& block);
 
     void Inventory(const uint256 &hash)
@@ -259,14 +291,13 @@ public:
         }
     }
 
-    int GetKeyPoolSize()
+    unsigned int GetKeyPoolSize()
     {
-        return setKeyPool.size();
+        return (unsigned int)(setKeyPool.size());
     }
 
     bool GetTransaction(const uint256 &hashTx, CWalletTx& wtx);
-
-    bool SetDefaultKey(const std::vector<unsigned char> &vchPubKey);
+    bool SetDefaultKey(const CPubKey &vchPubKey);
 
     // signify that a particular wallet feature is now used. this may change nWalletVersion and nWalletMaxVersion if those are lower
     bool SetMinVersion(enum WalletFeature, CWalletDB* pwalletdbIn = NULL, bool fExplicit = false);
@@ -277,8 +308,21 @@ public:
     // get the current wallet format (the oldest client version guaranteed to understand this wallet)
     int GetVersion() { return nWalletVersion; }
 
-    void FixSpentCoins(int& nMismatchSpent, int64& nBalanceInQuestion, bool fCheckOnly = false);
+    void FixSpentCoins(int& nMismatchSpent, int64_t& nBalanceInQuestion, bool fCheckOnly = false);
     void DisableTransaction(const CTransaction &tx);
+
+    /** Address book entry changed.
+     * @note called with lock cs_wallet held.
+     */
+    boost::signals2::signal<void (CWallet *wallet, const CBitcoinAddress &address, const std::string &label, bool isMine, ChangeType status)> NotifyAddressBookChanged;
+
+    /** Wallet transaction added, removed or updated.
+     * @note called with lock cs_wallet held.
+     */
+    boost::signals2::signal<void (CWallet *wallet, const uint256 &hashTx, ChangeType status)> NotifyTransactionChanged;
+
+    /** Watch-only address added */
+    boost::signals2::signal<void (bool fHaveWatchOnly)> NotifyWatchonlyChanged;
 };
 
 /** A key allocated from the key pool. */
@@ -286,8 +330,8 @@ class CReserveKey
 {
 protected:
     CWallet* pwallet;
-    int64 nIndex;
-    std::vector<unsigned char> vchPubKey;
+    int64_t nIndex;
+    CPubKey vchPubKey;
 public:
     CReserveKey(CWallet* pwalletIn)
     {
@@ -302,12 +346,34 @@ public:
     }
 
     void ReturnKey();
-    std::vector<unsigned char> GetReservedKey();
+    CPubKey GetReservedKey();
     void KeepKey();
 };
 
 
-/** A transaction with a bunch of additional info that only the owner cares about. 
+typedef std::map<std::string, std::string> mapValue_t;
+
+
+static void ReadOrderPos(int64_t& nOrderPos, mapValue_t& mapValue)
+{
+    if (!mapValue.count("n"))
+    {
+        nOrderPos = -1; // TODO: calculate elsewhere
+        return;
+    }
+    nOrderPos = atoi64(mapValue["n"].c_str());
+}
+
+
+static void WriteOrderPos(const int64_t& nOrderPos, mapValue_t& mapValue)
+{
+    if (nOrderPos == -1)
+        return;
+    mapValue["n"] = i64tostr(nOrderPos);
+}
+
+
+/** A transaction with a bunch of additional info that only the owner cares about.
  * It includes any unrecorded transactions needed to link it back to the block chain.
  */
 class CWalletTx : public CMerkleTx
@@ -317,23 +383,35 @@ private:
 
 public:
     std::vector<CMerkleTx> vtxPrev;
-    std::map<std::string, std::string> mapValue;
+    mapValue_t mapValue;
     std::vector<std::pair<std::string, std::string> > vOrderForm;
     unsigned int fTimeReceivedIsTxTime;
     unsigned int nTimeReceived;  // time received by this node
+    unsigned int nTimeSmart;
     char fFromMe;
     std::string strFromAccount;
     std::vector<char> vfSpent; // which outputs are already spent
+    int64_t nOrderPos;  // position in ordered transaction list
 
     // memory only
     mutable bool fDebitCached;
+    mutable bool fWatchDebitCached;
     mutable bool fCreditCached;
+    mutable bool fWatchCreditCached;
     mutable bool fAvailableCreditCached;
+    mutable bool fImmatureCreditCached;
+    mutable bool fImmatureWatchCreditCached;
+    mutable bool fAvailableWatchCreditCached;
     mutable bool fChangeCached;
-    mutable int64 nDebitCached;
-    mutable int64 nCreditCached;
-    mutable int64 nAvailableCreditCached;
-    mutable int64 nChangeCached;
+    mutable int64_t nDebitCached;
+    mutable int64_t nWatchDebitCached;
+    mutable int64_t nCreditCached;
+    mutable int64_t nWatchCreditCached;
+    mutable int64_t nAvailableCreditCached;
+    mutable int64_t nImmatureCreditCached;
+    mutable int64_t nImmatureWatchCreditCached;
+    mutable int64_t nAvailableWatchCreditCached;
+    mutable int64_t nChangeCached;
 
     CWalletTx()
     {
@@ -363,17 +441,29 @@ public:
         vOrderForm.clear();
         fTimeReceivedIsTxTime = false;
         nTimeReceived = 0;
+        nTimeSmart = 0;
         fFromMe = false;
         strFromAccount.clear();
         vfSpent.clear();
         fDebitCached = false;
+        fWatchDebitCached = false;
         fCreditCached = false;
+        fWatchCreditCached = false;
         fAvailableCreditCached = false;
+        fAvailableWatchCreditCached = false;
+        fImmatureCreditCached = false;
+        fImmatureWatchCreditCached = false;
         fChangeCached = false;
         nDebitCached = 0;
+        nWatchDebitCached = 0;
         nCreditCached = 0;
+        nWatchCreditCached = 0;
         nAvailableCreditCached = 0;
+        nAvailableWatchCreditCached = 0;
+        nImmatureCreditCached = 0;
+        nImmatureWatchCreditCached = 0;
         nChangeCached = 0;
+        nOrderPos = -1;
     }
 
     IMPLEMENT_SERIALIZE
@@ -395,6 +485,11 @@ public:
                     fSpent = true;
             }
             pthis->mapValue["spent"] = str;
+
+            WriteOrderPos(pthis->nOrderPos, pthis->mapValue);
+
+            if (nTimeSmart)
+                pthis->mapValue["timesmart"] = strprintf("%u", nTimeSmart);
         }
 
         nSerSize += SerReadWrite(s, *(CMerkleTx*)this, nType, nVersion,ser_action);
@@ -415,209 +510,89 @@ public:
                     pthis->vfSpent.push_back(c != '0');
             else
                 pthis->vfSpent.assign(vout.size(), fSpent);
+
+            ReadOrderPos(pthis->nOrderPos, pthis->mapValue);
+
+            pthis->nTimeSmart = mapValue.count("timesmart") ? (unsigned int)atoi64(pthis->mapValue["timesmart"]) : 0;
         }
 
         pthis->mapValue.erase("fromaccount");
         pthis->mapValue.erase("version");
         pthis->mapValue.erase("spent");
+        pthis->mapValue.erase("n");
+        pthis->mapValue.erase("timesmart");
     )
 
     // marks certain txout's as spent
     // returns true if any update took place
-    bool UpdateSpent(const std::vector<char>& vfNewSpent)
-    {
-        bool fReturn = false;
-        for (unsigned int i = 0; i < vfNewSpent.size(); i++)
-        {
-            if (i == vfSpent.size())
-                break;
-
-            if (vfNewSpent[i] && !vfSpent[i])
-            {
-                vfSpent[i] = true;
-                fReturn = true;
-                fAvailableCreditCached = false;
-            }
-        }
-        return fReturn;
-    }
+    bool UpdateSpent(const std::vector<char>& vfNewSpent);
 
     // make sure balances are recalculated
-    void MarkDirty()
-    {
-        fCreditCached = false;
-        fAvailableCreditCached = false;
-        fDebitCached = false;
-        fChangeCached = false;
-    }
+    void MarkDirty();
+    void BindWallet(CWallet *pwalletIn);
+    void MarkSpent(unsigned int nOut);
+    void MarkUnspent(unsigned int nOut);
+    bool IsSpent(unsigned int nOut) const;
 
-    void BindWallet(CWallet *pwalletIn)
-    {
-        pwallet = pwalletIn;
-        MarkDirty();
-    }
+    int64_t GetDebit(const isminefilter& filter) const;
+    int64_t GetCredit(const isminefilter& filter) const;
+    int64_t GetImmatureCredit(bool fUseCache=true) const;
+    int64_t GetImmatureWatchOnlyCredit(bool fUseCache=true) const;
+    int64_t GetAvailableCredit(bool fUseCache=true) const;
+    int64_t GetAvailableWatchCredit(bool fUseCache=true) const;
+    int64_t GetChange() const;
 
-    void MarkSpent(unsigned int nOut)
-    {
-        if (nOut >= vout.size())
-            throw std::runtime_error("CWalletTx::MarkSpent() : nOut out of range");
-        vfSpent.resize(vout.size());
-        if (!vfSpent[nOut])
-        {
-            vfSpent[nOut] = true;
-            fAvailableCreditCached = false;
-        }
-    }
+    void GetAmounts(int64_t& nGeneratedImmature, int64_t& nGeneratedMature, std::list<std::pair<CBitcoinAddress, int64_t> >& listReceived,
+                    std::list<std::pair<CBitcoinAddress, int64_t> >& listSent, int64_t& nFee, std::string& strSentAccount, const isminefilter& filter) const;
 
-    void MarkUnspent(unsigned int nOut)
-    {
-        if (nOut >= vout.size())
-            throw std::runtime_error("CWalletTx::MarkUnspent() : nOut out of range");
-        vfSpent.resize(vout.size());
-        if (vfSpent[nOut])
-        {
-            vfSpent[nOut] = false;
-            fAvailableCreditCached = false;
-        }
-    }
+    void GetAccountAmounts(const std::string& strAccount, int64_t& nGenerated, int64_t& nReceived,
+                           int64_t& nSent, int64_t& nFee, const isminefilter& filter) const;
 
-    bool IsSpent(unsigned int nOut) const
+    bool IsFromMe(const isminefilter& filter) const
     {
-        if (nOut >= vout.size())
-            throw std::runtime_error("CWalletTx::IsSpent() : nOut out of range");
-        if (nOut >= vfSpent.size())
-            return false;
-        return (!!vfSpent[nOut]);
+        return (GetDebit(filter) > 0);
     }
 
-    int64 GetDebit() const
-    {
-        if (vin.empty())
-            return 0;
-        if (fDebitCached)
-            return nDebitCached;
-        nDebitCached = pwallet->GetDebit(*this);
-        fDebitCached = true;
-        return nDebitCached;
-    }
+    bool InMempool() const;
+    bool IsTrusted() const;
 
-    int64 GetCredit(bool fUseCache=true) const
-    {
-        // Must wait until coinbase is safely deep enough in the chain before valuing it
-        if ((IsCoinBase() || IsCoinStake()) && GetBlocksToMaturity() > 0)
-            return 0;
-
-        // GetBalance can assume transactions in mapWallet won't change
-        if (fUseCache && fCreditCached)
-            return nCreditCached;
-        nCreditCached = pwallet->GetCredit(*this);
-        fCreditCached = true;
-        return nCreditCached;
-    }
+    bool WriteToDisk();
 
-    int64 GetAvailableCredit(bool fUseCache=true) const
-    {
-        // Must wait until coinbase is safely deep enough in the chain before valuing it
-        if ((IsCoinBase() || IsCoinStake()) && GetBlocksToMaturity() > 0)
-            return 0;
+    int64_t GetTxTime() const;
+    int GetRequestCount() const;
 
-        if (fUseCache && fAvailableCreditCached)
-            return nAvailableCreditCached;
+    void AddSupportingTransactions(CTxDB& txdb);
 
-        int64 nCredit = 0;
-        for (unsigned int i = 0; i < vout.size(); i++)
-        {
-            if (!IsSpent(i))
-            {
-                const CTxOut &txout = vout[i];
-                nCredit += pwallet->GetCredit(txout);
-                if (!MoneyRange(nCredit))
-                    throw std::runtime_error("CWalletTx::GetAvailableCredit() : value out of range");
-            }
-        }
+    bool AcceptWalletTransaction(CTxDB& txdb, bool fCheckInputs=true);
+    bool AcceptWalletTransaction();
 
-        nAvailableCreditCached = nCredit;
-        fAvailableCreditCached = true;
-        return nCredit;
-    }
+    bool RelayWalletTransaction(CTxDB& txdb);
+    bool RelayWalletTransaction();
+};
 
 
-    int64 GetChange() const
-    {
-        if (fChangeCached)
-            return nChangeCached;
-        nChangeCached = pwallet->GetChange(*this);
-        fChangeCached = true;
-        return nChangeCached;
-    }
 
-    void GetAmounts(int64& nGeneratedImmature, int64& nGeneratedMature, std::list<std::pair<CBitcoinAddress, int64> >& listReceived,
-                    std::list<std::pair<CBitcoinAddress, int64> >& listSent, int64& nFee, std::string& strSentAccount) const;
 
-    void GetAccountAmounts(const std::string& strAccount, int64& nGenerated, int64& nReceived, 
-                           int64& nSent, int64& nFee) const;
+class COutput
+{
+public:
+    const CWalletTx *tx;
+    int i;
+    int nDepth;
+    bool fSpendable;
 
-    bool IsFromMe() const
+    COutput(const CWalletTx *txIn, int iIn, int nDepthIn, bool fSpendableIn)
     {
-        return (GetDebit() > 0);
+        tx = txIn; i = iIn; nDepth = nDepthIn; fSpendable = fSpendableIn;
     }
 
-    bool IsConfirmed() const
+    std::string ToString() const
     {
-        // Quick answer in most cases
-        if (!IsFinal())
-            return false;
-        if (GetDepthInMainChain() >= 1)
-            return true;
-        if (!IsFromMe()) // using wtx's cached debit
-            return false;
-
-        // If no confirmations but it's from us, we can still
-        // consider it confirmed if all dependencies are confirmed
-        std::map<uint256, const CMerkleTx*> mapPrev;
-        std::vector<const CMerkleTx*> vWorkQueue;
-        vWorkQueue.reserve(vtxPrev.size()+1);
-        vWorkQueue.push_back(this);
-        for (unsigned int i = 0; i < vWorkQueue.size(); i++)
-        {
-            const CMerkleTx* ptx = vWorkQueue[i];
-
-            if (!ptx->IsFinal())
-                return false;
-            if (ptx->GetDepthInMainChain() >= 1)
-                continue;
-            if (!pwallet->IsFromMe(*ptx))
-                return false;
-
-            if (mapPrev.empty())
-            {
-                BOOST_FOREACH(const CMerkleTx& tx, vtxPrev)
-                    mapPrev[tx.GetHash()] = &tx;
-            }
-
-            BOOST_FOREACH(const CTxIn& txin, ptx->vin)
-            {
-                if (!mapPrev.count(txin.prevout.hash))
-                    return false;
-                vWorkQueue.push_back(mapPrev[txin.prevout.hash]);
-            }
-        }
-        return true;
+        return strprintf("COutput(%s, %d, %d, %d) [%s]", tx->GetHash().ToString().substr(0,10).c_str(), i, fSpendable, nDepth, FormatMoney(tx->vout[i].nValue).c_str());
     }
+};
 
-    bool WriteToDisk();
-
-    int64 GetTxTime() const;
-    int GetRequestCount() const;
 
-    void AddSupportingTransactions(CTxDB& txdb);
-
-    bool AcceptWalletTransaction(CTxDB& txdb, bool fCheckInputs=true);
-    bool AcceptWalletTransaction();
-
-    void RelayWalletTransaction(CTxDB& txdb);
-    void RelayWalletTransaction();
-};
 
 
 /** Private key that includes an expiration date in case it never gets used. */
@@ -625,13 +600,13 @@ class CWalletKey
 {
 public:
     CPrivKey vchPrivKey;
-    int64 nTimeCreated;
-    int64 nTimeExpires;
+    int64_t nTimeCreated;
+    int64_t nTimeExpires;
     std::string strComment;
     //// todo: add something to note what created it (user, getnewaddress, change)
     ////   maybe should have a map<string, string> property map
 
-    CWalletKey(int64 nExpires=0)
+    CWalletKey(int64_t nExpires=0)
     {
         nTimeCreated = (nExpires ? GetTime() : 0);
         nTimeExpires = nExpires;
@@ -659,7 +634,7 @@ public:
 class CAccount
 {
 public:
-    std::vector<unsigned char> vchPubKey;
+    CPubKey vchPubKey;
 
     CAccount()
     {
@@ -668,7 +643,7 @@ public:
 
     void SetNull()
     {
-        vchPubKey.clear();
+        vchPubKey = CPubKey();
     }
 
     IMPLEMENT_SERIALIZE
@@ -688,10 +663,13 @@ class CAccountingEntry
 {
 public:
     std::string strAccount;
-    int64 nCreditDebit;
-    int64 nTime;
+    int64_t nCreditDebit;
+    int64_t nTime;
     std::string strOtherAccount;
     std::string strComment;
+    mapValue_t mapValue;
+    int64_t nOrderPos;  // position in ordered transaction list
+    uint64_t nEntryNo;
 
     CAccountingEntry()
     {
@@ -705,18 +683,55 @@ public:
         strAccount.clear();
         strOtherAccount.clear();
         strComment.clear();
+        nOrderPos = -1;
     }
 
     IMPLEMENT_SERIALIZE
     (
+        CAccountingEntry& me = *const_cast<CAccountingEntry*>(this);
         if (!(nType & SER_GETHASH))
             READWRITE(nVersion);
         // Note: strAccount is serialized as part of the key, not here.
         READWRITE(nCreditDebit);
         READWRITE(nTime);
         READWRITE(strOtherAccount);
+
+        if (!fRead)
+        {
+            WriteOrderPos(nOrderPos, me.mapValue);
+
+            if (!(mapValue.empty() && _ssExtra.empty()))
+            {
+                CDataStream ss(nType, nVersion);
+                ss.insert(ss.begin(), '\0');
+                ss << mapValue;
+                ss.insert(ss.end(), _ssExtra.begin(), _ssExtra.end());
+                me.strComment.append(ss.str());
+            }
+        }
+
         READWRITE(strComment);
+
+        size_t nSepPos = strComment.find("\0", 0, 1);
+        if (fRead)
+        {
+            me.mapValue.clear();
+            if (std::string::npos != nSepPos)
+            {
+                CDataStream ss(std::vector<char>(strComment.begin() + nSepPos + 1, strComment.end()), nType, nVersion);
+                ss >> me.mapValue;
+                me._ssExtra = std::vector<char>(ss.begin(), ss.end());
+            }
+            ReadOrderPos(me.nOrderPos, me.mapValue);
+        }
+        if (std::string::npos != nSepPos)
+            me.strComment.erase(nSepPos);
+
+        me.mapValue.erase("n");
     )
+
+private:
+    std::vector<char> _ssExtra;
 };
 
 bool GetWalletFile(CWallet* pwallet, std::string &strWalletFileOut);