X-Git-Url: https://git.novaco.in/?a=blobdiff_plain;f=src%2Fwallet.h;h=26cf745e3ca355868ca49dbcea3648cb08f39bc7;hb=HEAD;hp=e1065cff38104c54bef138c2d14a6174b0a1272f;hpb=6b8de05d0a6696dff4b7dccec5b74889f3cdc486;p=novacoin.git

diff --git a/src/wallet.h b/src/wallet.h
index e1065cf..5ed8dfa 100644
--- a/src/wallet.h
+++ b/src/wallet.h
@@ -1,18 +1,25 @@
 // Copyright (c) 2009-2010 Satoshi Nakamoto
 // Copyright (c) 2009-2012 The Bitcoin developers
 // Distributed under the MIT/X11 software license, see the accompanying
-// file license.txt or http://www.opensource.org/licenses/mit-license.php.
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 #ifndef BITCOIN_WALLET_H
 #define BITCOIN_WALLET_H
 
-#include "bignum.h"
-#include "key.h"
-#include "keystore.h"
-#include "script.h"
+#include "main.h"
+#include "interface.h"
+#include "walletdb.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
@@ -21,8 +28,28 @@ enum WalletFeature
 
     FEATURE_WALLETCRYPT = 40000, // wallet encryption
     FEATURE_COMPRPUBKEY = 60000, // compressed public keys
+    FEATURE_MALLKEY = 60017,
+    FEATURE_LATEST = 60017
+};
+
+/** A key pool entry */
+class CKeyPool
+{
+public:
+    int64_t nTime;
+    CPubKey vchPubKey;
+
+    CKeyPool();
+
+    CKeyPool(const CPubKey& vchPubKeyIn);
 
-    FEATURE_LATEST = 60000
+    IMPLEMENT_SERIALIZE
+    (
+        if (!(nType & SER_GETHASH))
+            READWRITE(nVersion);
+        READWRITE(nTime);
+        READWRITE(vchPubKey);
+    )
 };
 
 /** A CWallet is an extension of a keystore, which also maintains a set of transactions and balances,
@@ -31,210 +58,194 @@ enum WalletFeature
 class CWallet : public CCryptoKeyStore
 {
 private:
-    bool SelectCoinsMinConf(int64 nTargetValue, int nConfMine, int nConfTheirs, std::set<std::pair<const CWalletTx*,unsigned int> >& setCoinsRet, int64& nValueRet) const;
-    bool SelectCoins(int64 nTargetValue, 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;
     unsigned int nMasterKeyMaxID;
 
-    CWallet()
-    {
-        nWalletVersion = FEATURE_BASE;
-        nWalletMaxVersion = FEATURE_BASE;
-        fFileBacked = false;
-        nMasterKeyMaxID = 0;
-        pwalletdbEncryption = NULL;
-    }
-    CWallet(std::string strWalletFileIn)
-    {
-        nWalletVersion = FEATURE_BASE;
-        nWalletMaxVersion = FEATURE_BASE;
-        strWalletFile = strWalletFileIn;
-        fFileBacked = true;
-        nMasterKeyMaxID = 0;
-        pwalletdbEncryption = NULL;
-    }
+    CWallet();
+    CWallet(std::string strWalletFileIn);
+    void SetNull();
 
     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();
+    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);
+    bool LoadCryptedKey(const CMalleableKeyView &keyView, const std::vector<unsigned char> &vchCryptedSecretH);
 
-    bool LoadMinVersion(int nVersion) { nWalletVersion = nVersion; nWalletMaxVersion = std::max(nWalletMaxVersion, nVersion); return true; }
+    bool LoadMinVersion(int nVersion);
 
     // 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);
     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;
+
+
+    /** 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;
-    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);
+    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);
-    }
-    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;
-    }
-    void SetBestChain(const CBlockLocator& loc)
-    {
-        CWalletDB walletdb(strWalletFile);
-        walletdb.WriteBestBlock(loc);
-    }
-
-    int LoadWallet(bool& fFirstRunRet);
-//    bool BackupWallet(const std::string& strDest);
 
+    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_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);
+
+    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)
-    {
-        CRITICAL_BLOCK(cs_wallet)
-            vWalletUpdated.push_back(hashTx);
-    }
-
+    void UpdatedTransaction(const uint256 &hashTx);
     void PrintWallet(const CBlock& block);
 
-    void Inventory(const uint256 &hash)
-    {
-        CRITICAL_BLOCK(cs_wallet)
-        {
-            std::map<uint256, int>::iterator mi = mapRequestCount.find(hash);
-            if (mi != mapRequestCount.end())
-                (*mi).second++;
-        }
-    }
+    void Inventory(const uint256 &hash);
 
-    int GetKeyPoolSize()
-    {
-        return setKeyPool.size();
-    }
+    unsigned int GetKeyPoolSize();
 
     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);
@@ -244,6 +255,22 @@ public:
 
     // get the current wallet format (the oldest client version guaranteed to understand this wallet)
     int GetVersion() { return nWalletVersion; }
+
+    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. */
@@ -251,28 +278,23 @@ class CReserveKey
 {
 protected:
     CWallet* pwallet;
-    int64 nIndex;
-    std::vector<unsigned char> vchPubKey;
+    int64_t nIndex;
+    CPubKey vchPubKey;
 public:
-    CReserveKey(CWallet* pwalletIn)
-    {
-        nIndex = -1;
-        pwallet = pwalletIn;
-    }
-
-    ~CReserveKey()
-    {
-        if (!fShutdown)
-            ReturnKey();
-    }
+    CReserveKey(CWallet* pwalletIn);
+
+    ~CReserveKey();
 
     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;
+
+
+/** 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
@@ -282,72 +304,42 @@ 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 char fDebitCached;
-    mutable char fCreditCached;
-    mutable char fAvailableCreditCached;
-    mutable char fChangeCached;
-    mutable int64 nDebitCached;
-    mutable int64 nCreditCached;
-    mutable int64 nAvailableCreditCached;
-    mutable int64 nChangeCached;
-
-    // memory only UI hints
-    mutable unsigned int nTimeDisplayed;
-    mutable int nLinesDisplayed;
-    mutable char fConfirmedDisplayed;
-
-    CWalletTx()
-    {
-        Init(NULL);
-    }
-
-    CWalletTx(const CWallet* pwalletIn)
-    {
-        Init(pwalletIn);
-    }
-
-    CWalletTx(const CWallet* pwalletIn, const CMerkleTx& txIn) : CMerkleTx(txIn)
-    {
-        Init(pwalletIn);
-    }
-
-    CWalletTx(const CWallet* pwalletIn, const CTransaction& txIn) : CMerkleTx(txIn)
-    {
-        Init(pwalletIn);
-    }
-
-    void Init(const CWallet* pwalletIn)
-    {
-        pwallet = pwalletIn;
-        vtxPrev.clear();
-        mapValue.clear();
-        vOrderForm.clear();
-        fTimeReceivedIsTxTime = false;
-        nTimeReceived = 0;
-        fFromMe = false;
-        strFromAccount.clear();
-        vfSpent.clear();
-        fDebitCached = false;
-        fCreditCached = false;
-        fAvailableCreditCached = false;
-        fChangeCached = false;
-        nDebitCached = 0;
-        nCreditCached = 0;
-        nAvailableCreditCached = 0;
-        nChangeCached = 0;
-        nTimeDisplayed = 0;
-        nLinesDisplayed = 0;
-        fConfirmedDisplayed = false;
-    }
+    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_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();
+    CWalletTx(const CWallet* pwalletIn);
+    CWalletTx(const CWallet* pwalletIn, const CMerkleTx& txIn);
+    CWalletTx(const CWallet* pwalletIn, const CTransaction& txIn);
+
+    void Init(const CWallet* pwalletIn);
 
     IMPLEMENT_SERIALIZE
     (
@@ -361,13 +353,19 @@ public:
             pthis->mapValue["fromaccount"] = pthis->strFromAccount;
 
             std::string str;
-            BOOST_FOREACH(char f, vfSpent)
+            for (char f : vfSpent)
             {
                 str += (f ? '1' : '0');
                 if (f)
                     fSpent = true;
             }
             pthis->mapValue["spent"] = str;
+
+            if (pthis->nOrderPos != -1)
+                pthis->mapValue["n"] = i64tostr(pthis->nOrderPos);
+
+            if (nTimeSmart)
+                pthis->mapValue["timesmart"] = strprintf("%u", nTimeSmart);
         }
 
         nSerSize += SerReadWrite(s, *(CMerkleTx*)this, nType, nVersion,ser_action);
@@ -384,189 +382,57 @@ public:
             pthis->strFromAccount = pthis->mapValue["fromaccount"];
 
             if (mapValue.count("spent"))
-                BOOST_FOREACH(char c, pthis->mapValue["spent"])
+                for (char c : pthis->mapValue["spent"])
                     pthis->vfSpent.push_back(c != '0');
             else
                 pthis->vfSpent.assign(vout.size(), fSpent);
+
+            const auto it_op = pthis->mapValue.find("n");
+            pthis->nOrderPos = (it_op != pthis->mapValue.end()) ? atoi64(it_op->second.c_str()) : -1;
+
+            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 (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 BindWallet(CWallet *pwalletIn)
-    {
-        pwallet = pwalletIn;
-        MarkDirty();
-    }
-
-    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;
-        }
-    }
-
-    bool IsSpent(unsigned int nOut) const
-    {
-        if (nOut >= vout.size())
-            throw std::runtime_error("CWalletTx::IsSpent() : nOut out of range");
-        if (nOut >= vfSpent.size())
-            return false;
-        return (!!vfSpent[nOut]);
-    }
-
-    int64 GetDebit() const
-    {
-        if (vin.empty())
-            return 0;
-        if (fDebitCached)
-            return nDebitCached;
-        nDebitCached = pwallet->GetDebit(*this);
-        fDebitCached = true;
-        return nDebitCached;
-    }
-
-    int64 GetCredit(bool fUseCache=true) const
-    {
-        // Must wait until coinbase is safely deep enough in the chain before valuing it
-        if (IsCoinBase() && 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;
-    }
-
-    int64 GetAvailableCredit(bool fUseCache=true) const
-    {
-        // Must wait until coinbase is safely deep enough in the chain before valuing it
-        if (IsCoinBase() && GetBlocksToMaturity() > 0)
-            return 0;
-
-        if (fUseCache && fAvailableCreditCached)
-            return nAvailableCreditCached;
-
-        int64 nCredit = 0;
-        for (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");
-            }
-        }
+    void MarkDirty();
+    void BindWallet(CWallet *pwalletIn);
+    void MarkSpent(unsigned int nOut);
+    void MarkUnspent(unsigned int nOut);
+    bool IsSpent(unsigned int nOut) const;
 
-        nAvailableCreditCached = nCredit;
-        fAvailableCreditCached = true;
-        return nCredit;
-    }
-
-
-    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;
-
-    bool IsFromMe() const
-    {
-        return (GetDebit() > 0);
-    }
-
-    bool IsConfirmed() 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 (int i = 0; i < vWorkQueue.size(); i++)
-        {
-            const CMerkleTx* ptx = vWorkQueue[i];
+    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;
 
-            if (!ptx->IsFinal())
-                return false;
-            if (ptx->GetDepthInMainChain() >= 1)
-                continue;
-            if (!pwallet->IsFromMe(*ptx))
-                return 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;
 
-            if (mapPrev.empty())
-                BOOST_FOREACH(const CMerkleTx& tx, vtxPrev)
-                    mapPrev[tx.GetHash()] = &tx;
+    void GetAccountAmounts(const std::string& strAccount, int64_t& nGenerated, int64_t& nReceived,
+                           int64_t& nSent, int64_t& nFee, const isminefilter& filter) const;
 
-            BOOST_FOREACH(const CTxIn& txin, ptx->vin)
-            {
-                if (!mapPrev.count(txin.prevout.hash))
-                    return false;
-                vWorkQueue.push_back(mapPrev[txin.prevout.hash]);
-            }
-        }
-        return true;
-    }
+    bool IsFromMe(const isminefilter& filter) const;
+
+    bool InMempool() const;
+    bool IsTrusted() const;
 
     bool WriteToDisk();
 
-    int64 GetTxTime() const;
+    int64_t GetTxTime() const;
     int GetRequestCount() const;
 
     void AddSupportingTransactions(CTxDB& txdb);
@@ -574,27 +440,41 @@ public:
     bool AcceptWalletTransaction(CTxDB& txdb, bool fCheckInputs=true);
     bool AcceptWalletTransaction();
 
-    void RelayWalletTransaction(CTxDB& txdb);
-    void RelayWalletTransaction();
+    bool RelayWalletTransaction(CTxDB& txdb);
+    bool RelayWalletTransaction();
 };
 
 
+
+
+class COutput
+{
+public:
+    const CWalletTx *tx;
+    int i;
+    int nDepth;
+    bool fSpendable;
+
+    COutput(const CWalletTx *txIn, int iIn, int nDepthIn, bool fSpendableIn);
+
+    std::string ToString() const;
+};
+
+
+
+
 /** Private key that includes an expiration date in case it never gets used. */
 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)
-    {
-        nTimeCreated = (nExpires ? GetTime() : 0);
-        nTimeExpires = nExpires;
-    }
+    CWalletKey(int64_t nExpires=0);
 
     IMPLEMENT_SERIALIZE
     (
@@ -618,17 +498,11 @@ public:
 class CAccount
 {
 public:
-    std::vector<unsigned char> vchPubKey;
+    CPubKey vchPubKey;
 
-    CAccount()
-    {
-        SetNull();
-    }
+    CAccount();
 
-    void SetNull()
-    {
-        vchPubKey.clear();
-    }
+    void SetNull();
 
     IMPLEMENT_SERIALIZE
     (
@@ -647,35 +521,66 @@ 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()
-    {
-        SetNull();
-    }
+    CAccountingEntry();
 
-    void SetNull()
-    {
-        nCreditDebit = 0;
-        nTime = 0;
-        strAccount.clear();
-        strOtherAccount.clear();
-        strComment.clear();
-    }
+    void SetNull();
 
     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)
+        {
+            if (nOrderPos != -1)
+                me.mapValue["n"] = i64tostr(nOrderPos);
+
+            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());
+            }
+            const auto it_op = me.mapValue.find("n");
+            me.nOrderPos = (it_op != me.mapValue.end()) ? atoi64(it_op->second.c_str()) : -1;
+        }
+        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);