[Move Only] Move wallet related things to src/wallet/

could once be renamed from /src/wallet to /src/legacywallet.

1 files changed, 0 insertions, 2564 deletions

diff --git a/src/wallet.cpp b/src/wallet.cpp
deleted file mode 100644
index b51c4d4b14..0000000000
--- a/src/wallet.cpp
+++ /dev/null
@@ -1,2564 +0,0 @@
-// Copyright (c) 2009-2010 Satoshi Nakamoto
-// Copyright (c) 2009-2014 The Bitcoin Core developers
-// Distributed under the MIT software license, see the accompanying
-// file COPYING or http://www.opensource.org/licenses/mit-license.php.
-
-#include "wallet.h"
-
-#include "base58.h"
-#include "checkpoints.h"
-#include "coincontrol.h"
-#include "net.h"
-#include "script/script.h"
-#include "script/sign.h"
-#include "timedata.h"
-#include "util.h"
-#include "utilmoneystr.h"
-
-#include <assert.h>
-
-#include <boost/algorithm/string/replace.hpp>
-#include <boost/thread.hpp>
-
-using namespace std;
-
-/**
- * Settings
- */
-CFeeRate payTxFee(DEFAULT_TRANSACTION_FEE);
-CAmount maxTxFee = DEFAULT_TRANSACTION_MAXFEE;
-unsigned int nTxConfirmTarget = 1;
-bool bSpendZeroConfChange = true;
-bool fSendFreeTransactions = false;
-bool fPayAtLeastCustomFee = true;
-
-/** 
- * Fees smaller than this (in satoshi) are considered zero fee (for transaction creation) 
- * Override with -mintxfee
- */
-CFeeRate CWallet::minTxFee = CFeeRate(1000);
-
-/** @defgroup mapWallet
- *
- * @{
- */
-
-struct CompareValueOnly
-{
-    bool operator()(const pair<CAmount, pair<const CWalletTx*, unsigned int> >& t1,
-                    const pair<CAmount, pair<const CWalletTx*, unsigned int> >& t2) const
-    {
-        return t1.first < t2.first;
-    }
-};
-
-std::string COutput::ToString() const
-{
-    return strprintf("COutput(%s, %d, %d) [%s]", tx->GetHash().ToString(), i, nDepth, FormatMoney(tx->vout[i].nValue));
-}
-
-const CWalletTx* CWallet::GetWalletTx(const uint256& hash) const
-{
-    LOCK(cs_wallet);
-    std::map<uint256, CWalletTx>::const_iterator it = mapWallet.find(hash);
-    if (it == mapWallet.end())
-        return NULL;
-    return &(it->second);
-}
-
-CPubKey CWallet::GenerateNewKey()
-{
-    AssertLockHeld(cs_wallet); // mapKeyMetadata
-    bool fCompressed = CanSupportFeature(FEATURE_COMPRPUBKEY); // default to compressed public keys if we want 0.6.0 wallets
-
-    CKey secret;
-    secret.MakeNewKey(fCompressed);
-
-    // Compressed public keys were introduced in version 0.6.0
-    if (fCompressed)
-        SetMinVersion(FEATURE_COMPRPUBKEY);
-
-    CPubKey pubkey = secret.GetPubKey();
-    assert(secret.VerifyPubKey(pubkey));
-
-    // Create new metadata
-    int64_t nCreationTime = GetTime();
-    mapKeyMetadata[pubkey.GetID()] = CKeyMetadata(nCreationTime);
-    if (!nTimeFirstKey || nCreationTime < nTimeFirstKey)
-        nTimeFirstKey = nCreationTime;
-
-    if (!AddKeyPubKey(secret, pubkey))
-        throw std::runtime_error("CWallet::GenerateNewKey(): AddKey failed");
-    return pubkey;
-}
-
-bool CWallet::AddKeyPubKey(const CKey& secret, const CPubKey &pubkey)
-{
-    AssertLockHeld(cs_wallet); // mapKeyMetadata
-    if (!CCryptoKeyStore::AddKeyPubKey(secret, pubkey))
-        return false;
-
-    // check if we need to remove from watch-only
-    CScript script;
-    script = GetScriptForDestination(pubkey.GetID());
-    if (HaveWatchOnly(script))
-        RemoveWatchOnly(script);
-
-    if (!fFileBacked)
-        return true;
-    if (!IsCrypted()) {
-        return CWalletDB(strWalletFile).WriteKey(pubkey,
-                                                 secret.GetPrivKey(),
-                                                 mapKeyMetadata[pubkey.GetID()]);
-    }
-    return true;
-}
-
-bool CWallet::AddCryptedKey(const CPubKey &vchPubKey,
-                            const vector<unsigned char> &vchCryptedSecret)
-{
-    if (!CCryptoKeyStore::AddCryptedKey(vchPubKey, vchCryptedSecret))
-        return false;
-    if (!fFileBacked)
-        return true;
-    {
-        LOCK(cs_wallet);
-        if (pwalletdbEncryption)
-            return pwalletdbEncryption->WriteCryptedKey(vchPubKey,
-                                                        vchCryptedSecret,
-                                                        mapKeyMetadata[vchPubKey.GetID()]);
-        else
-            return CWalletDB(strWalletFile).WriteCryptedKey(vchPubKey,
-                                                            vchCryptedSecret,
-                                                            mapKeyMetadata[vchPubKey.GetID()]);
-    }
-    return false;
-}
-
-bool CWallet::LoadKeyMetadata(const CPubKey &pubkey, const CKeyMetadata &meta)
-{
-    AssertLockHeld(cs_wallet); // mapKeyMetadata
-    if (meta.nCreateTime && (!nTimeFirstKey || meta.nCreateTime < nTimeFirstKey))
-        nTimeFirstKey = meta.nCreateTime;
-
-    mapKeyMetadata[pubkey.GetID()] = meta;
-    return true;
-}
-
-bool CWallet::LoadCryptedKey(const CPubKey &vchPubKey, const std::vector<unsigned char> &vchCryptedSecret)
-{
-    return CCryptoKeyStore::AddCryptedKey(vchPubKey, vchCryptedSecret);
-}
-
-bool CWallet::AddCScript(const CScript& redeemScript)
-{
-    if (!CCryptoKeyStore::AddCScript(redeemScript))
-        return false;
-    if (!fFileBacked)
-        return true;
-    return CWalletDB(strWalletFile).WriteCScript(Hash160(redeemScript), redeemScript);
-}
-
-bool CWallet::LoadCScript(const CScript& redeemScript)
-{
-    /* A sanity check was added in pull #3843 to avoid adding redeemScripts
-     * that never can be redeemed. However, old wallets may still contain
-     * these. Do not add them to the wallet and warn. */
-    if (redeemScript.size() > MAX_SCRIPT_ELEMENT_SIZE)
-    {
-        std::string strAddr = CBitcoinAddress(CScriptID(redeemScript)).ToString();
-        LogPrintf("%s: Warning: This wallet contains a redeemScript of size %i which exceeds maximum size %i thus can never be redeemed. Do not use address %s.\n",
-            __func__, redeemScript.size(), MAX_SCRIPT_ELEMENT_SIZE, strAddr);
-        return true;
-    }
-
-    return CCryptoKeyStore::AddCScript(redeemScript);
-}
-
-bool CWallet::AddWatchOnly(const CScript &dest)
-{
-    if (!CCryptoKeyStore::AddWatchOnly(dest))
-        return false;
-    nTimeFirstKey = 1; // No birthday information for watch-only keys.
-    NotifyWatchonlyChanged(true);
-    if (!fFileBacked)
-        return true;
-    return CWalletDB(strWalletFile).WriteWatchOnly(dest);
-}
-
-bool CWallet::RemoveWatchOnly(const CScript &dest)
-{
-    AssertLockHeld(cs_wallet);
-    if (!CCryptoKeyStore::RemoveWatchOnly(dest))
-        return false;
-    if (!HaveWatchOnly())
-        NotifyWatchonlyChanged(false);
-    if (fFileBacked)
-        if (!CWalletDB(strWalletFile).EraseWatchOnly(dest))
-            return false;
-
-    return true;
-}
-
-bool CWallet::LoadWatchOnly(const CScript &dest)
-{
-    return CCryptoKeyStore::AddWatchOnly(dest);
-}
-
-bool CWallet::Unlock(const SecureString& strWalletPassphrase)
-{
-    CCrypter crypter;
-    CKeyingMaterial vMasterKey;
-
-    {
-        LOCK(cs_wallet);
-        BOOST_FOREACH(const MasterKeyMap::value_type& pMasterKey, mapMasterKeys)
-        {
-            if(!crypter.SetKeyFromPassphrase(strWalletPassphrase, pMasterKey.second.vchSalt, pMasterKey.second.nDeriveIterations, pMasterKey.second.nDerivationMethod))
-                return false;
-            if (!crypter.Decrypt(pMasterKey.second.vchCryptedKey, vMasterKey))
-                continue; // try another master key
-            if (CCryptoKeyStore::Unlock(vMasterKey))
-                return true;
-        }
-    }
-    return false;
-}
-
-bool CWallet::ChangeWalletPassphrase(const SecureString& strOldWalletPassphrase, const SecureString& strNewWalletPassphrase)
-{
-    bool fWasLocked = IsLocked();
-
-    {
-        LOCK(cs_wallet);
-        Lock();
-
-        CCrypter crypter;
-        CKeyingMaterial vMasterKey;
-        BOOST_FOREACH(MasterKeyMap::value_type& pMasterKey, mapMasterKeys)
-        {
-            if(!crypter.SetKeyFromPassphrase(strOldWalletPassphrase, pMasterKey.second.vchSalt, pMasterKey.second.nDeriveIterations, pMasterKey.second.nDerivationMethod))
-                return false;
-            if (!crypter.Decrypt(pMasterKey.second.vchCryptedKey, vMasterKey))
-                return false;
-            if (CCryptoKeyStore::Unlock(vMasterKey))
-            {
-                int64_t nStartTime = GetTimeMillis();
-                crypter.SetKeyFromPassphrase(strNewWalletPassphrase, pMasterKey.second.vchSalt, pMasterKey.second.nDeriveIterations, pMasterKey.second.nDerivationMethod);
-                pMasterKey.second.nDeriveIterations = pMasterKey.second.nDeriveIterations * (100 / ((double)(GetTimeMillis() - nStartTime)));
-
-                nStartTime = GetTimeMillis();
-                crypter.SetKeyFromPassphrase(strNewWalletPassphrase, pMasterKey.second.vchSalt, pMasterKey.second.nDeriveIterations, pMasterKey.second.nDerivationMethod);
-                pMasterKey.second.nDeriveIterations = (pMasterKey.second.nDeriveIterations + pMasterKey.second.nDeriveIterations * 100 / ((double)(GetTimeMillis() - nStartTime))) / 2;
-
-                if (pMasterKey.second.nDeriveIterations < 25000)
-                    pMasterKey.second.nDeriveIterations = 25000;
-
-                LogPrintf("Wallet passphrase changed to an nDeriveIterations of %i\n", pMasterKey.second.nDeriveIterations);
-
-                if (!crypter.SetKeyFromPassphrase(strNewWalletPassphrase, pMasterKey.second.vchSalt, pMasterKey.second.nDeriveIterations, pMasterKey.second.nDerivationMethod))
-                    return false;
-                if (!crypter.Encrypt(vMasterKey, pMasterKey.second.vchCryptedKey))
-                    return false;
-                CWalletDB(strWalletFile).WriteMasterKey(pMasterKey.first, pMasterKey.second);
-                if (fWasLocked)
-                    Lock();
-                return true;
-            }
-        }
-    }
-
-    return false;
-}
-
-void CWallet::SetBestChain(const CBlockLocator& loc)
-{
-    CWalletDB walletdb(strWalletFile);
-    walletdb.WriteBestBlock(loc);
-}
-
-bool CWallet::SetMinVersion(enum WalletFeature nVersion, CWalletDB* pwalletdbIn, bool fExplicit)
-{
-    LOCK(cs_wallet); // nWalletVersion
-    if (nWalletVersion >= nVersion)
-        return true;
-
-    // when doing an explicit upgrade, if we pass the max version permitted, upgrade all the way
-    if (fExplicit && nVersion > nWalletMaxVersion)
-            nVersion = FEATURE_LATEST;
-
-    nWalletVersion = nVersion;
-
-    if (nVersion > nWalletMaxVersion)
-        nWalletMaxVersion = nVersion;
-
-    if (fFileBacked)
-    {
-        CWalletDB* pwalletdb = pwalletdbIn ? pwalletdbIn : new CWalletDB(strWalletFile);
-        if (nWalletVersion > 40000)
-            pwalletdb->WriteMinVersion(nWalletVersion);
-        if (!pwalletdbIn)
-            delete pwalletdb;
-    }
-
-    return true;
-}
-
-bool CWallet::SetMaxVersion(int nVersion)
-{
-    LOCK(cs_wallet); // nWalletVersion, nWalletMaxVersion
-    // cannot downgrade below current version
-    if (nWalletVersion > nVersion)
-        return false;
-
-    nWalletMaxVersion = nVersion;
-
-    return true;
-}
-
-set<uint256> CWallet::GetConflicts(const uint256& txid) const
-{
-    set<uint256> result;
-    AssertLockHeld(cs_wallet);
-
-    std::map<uint256, CWalletTx>::const_iterator it = mapWallet.find(txid);
-    if (it == mapWallet.end())
-        return result;
-    const CWalletTx& wtx = it->second;
-
-    std::pair<TxSpends::const_iterator, TxSpends::const_iterator> range;
-
-    BOOST_FOREACH(const CTxIn& txin, wtx.vin)
-    {
-        if (mapTxSpends.count(txin.prevout) <= 1)
-            continue;  // No conflict if zero or one spends
-        range = mapTxSpends.equal_range(txin.prevout);
-        for (TxSpends::const_iterator it = range.first; it != range.second; ++it)
-            result.insert(it->second);
-    }
-    return result;
-}
-
-void CWallet::SyncMetaData(pair<TxSpends::iterator, TxSpends::iterator> range)
-{
-    // We want all the wallet transactions in range to have the same metadata as
-    // the oldest (smallest nOrderPos).
-    // So: find smallest nOrderPos:
-
-    int nMinOrderPos = std::numeric_limits<int>::max();
-    const CWalletTx* copyFrom = NULL;
-    for (TxSpends::iterator it = range.first; it != range.second; ++it)
-    {
-        const uint256& hash = it->second;
-        int n = mapWallet[hash].nOrderPos;
-        if (n < nMinOrderPos)
-        {
-            nMinOrderPos = n;
-            copyFrom = &mapWallet[hash];
-        }
-    }
-    // Now copy data from copyFrom to rest:
-    for (TxSpends::iterator it = range.first; it != range.second; ++it)
-    {
-        const uint256& hash = it->second;
-        CWalletTx* copyTo = &mapWallet[hash];
-        if (copyFrom == copyTo) continue;
-        copyTo->mapValue = copyFrom->mapValue;
-        copyTo->vOrderForm = copyFrom->vOrderForm;
-        // fTimeReceivedIsTxTime not copied on purpose
-        // nTimeReceived not copied on purpose
-        copyTo->nTimeSmart = copyFrom->nTimeSmart;
-        copyTo->fFromMe = copyFrom->fFromMe;
-        copyTo->strFromAccount = copyFrom->strFromAccount;
-        // nOrderPos not copied on purpose
-        // cached members not copied on purpose
-    }
-}
-
-/**
- * Outpoint is spent if any non-conflicted transaction
- * spends it:
- */
-bool CWallet::IsSpent(const uint256& hash, unsigned int n) const
-{
-    const COutPoint outpoint(hash, n);
-    pair<TxSpends::const_iterator, TxSpends::const_iterator> range;
-    range = mapTxSpends.equal_range(outpoint);
-
-    for (TxSpends::const_iterator it = range.first; it != range.second; ++it)
-    {
-        const uint256& wtxid = it->second;
-        std::map<uint256, CWalletTx>::const_iterator mit = mapWallet.find(wtxid);
-        if (mit != mapWallet.end() && mit->second.GetDepthInMainChain() >= 0)
-            return true; // Spent
-    }
-    return false;
-}
-
-void CWallet::AddToSpends(const COutPoint& outpoint, const uint256& wtxid)
-{
-    mapTxSpends.insert(make_pair(outpoint, wtxid));
-
-    pair<TxSpends::iterator, TxSpends::iterator> range;
-    range = mapTxSpends.equal_range(outpoint);
-    SyncMetaData(range);
-}
-
-
-void CWallet::AddToSpends(const uint256& wtxid)
-{
-    assert(mapWallet.count(wtxid));
-    CWalletTx& thisTx = mapWallet[wtxid];
-    if (thisTx.IsCoinBase()) // Coinbases don't spend anything!
-        return;
-
-    BOOST_FOREACH(const CTxIn& txin, thisTx.vin)
-        AddToSpends(txin.prevout, wtxid);
-}
-
-bool CWallet::EncryptWallet(const SecureString& strWalletPassphrase)
-{
-    if (IsCrypted())
-        return false;
-
-    CKeyingMaterial vMasterKey;
-    RandAddSeedPerfmon();
-
-    vMasterKey.resize(WALLET_CRYPTO_KEY_SIZE);
-    GetRandBytes(&vMasterKey[0], WALLET_CRYPTO_KEY_SIZE);
-
-    CMasterKey kMasterKey;
-    RandAddSeedPerfmon();
-
-    kMasterKey.vchSalt.resize(WALLET_CRYPTO_SALT_SIZE);
-    GetRandBytes(&kMasterKey.vchSalt[0], WALLET_CRYPTO_SALT_SIZE);
-
-    CCrypter crypter;
-    int64_t nStartTime = GetTimeMillis();
-    crypter.SetKeyFromPassphrase(strWalletPassphrase, kMasterKey.vchSalt, 25000, kMasterKey.nDerivationMethod);
-    kMasterKey.nDeriveIterations = 2500000 / ((double)(GetTimeMillis() - nStartTime));
-
-    nStartTime = GetTimeMillis();
-    crypter.SetKeyFromPassphrase(strWalletPassphrase, kMasterKey.vchSalt, kMasterKey.nDeriveIterations, kMasterKey.nDerivationMethod);
-    kMasterKey.nDeriveIterations = (kMasterKey.nDeriveIterations + kMasterKey.nDeriveIterations * 100 / ((double)(GetTimeMillis() - nStartTime))) / 2;
-
-    if (kMasterKey.nDeriveIterations < 25000)
-        kMasterKey.nDeriveIterations = 25000;
-
-    LogPrintf("Encrypting Wallet with an nDeriveIterations of %i\n", kMasterKey.nDeriveIterations);
-
-    if (!crypter.SetKeyFromPassphrase(strWalletPassphrase, kMasterKey.vchSalt, kMasterKey.nDeriveIterations, kMasterKey.nDerivationMethod))
-        return false;
-    if (!crypter.Encrypt(vMasterKey, kMasterKey.vchCryptedKey))
-        return false;
-
-    {
-        LOCK(cs_wallet);
-        mapMasterKeys[++nMasterKeyMaxID] = kMasterKey;
-        if (fFileBacked)
-        {
-            assert(!pwalletdbEncryption);
-            pwalletdbEncryption = new CWalletDB(strWalletFile);
-            if (!pwalletdbEncryption->TxnBegin()) {
-                delete pwalletdbEncryption;
-                pwalletdbEncryption = NULL;
-                return false;
-            }
-            pwalletdbEncryption->WriteMasterKey(nMasterKeyMaxID, kMasterKey);
-        }
-
-        if (!EncryptKeys(vMasterKey))
-        {
-            if (fFileBacked) {
-                pwalletdbEncryption->TxnAbort();
-                delete pwalletdbEncryption;
-            }
-            // We now probably have half of our keys encrypted in memory, and half not...
-            // die and let the user reload their unencrypted wallet.
-            assert(false);
-        }
-
-        // Encryption was introduced in version 0.4.0
-        SetMinVersion(FEATURE_WALLETCRYPT, pwalletdbEncryption, true);
-
-        if (fFileBacked)
-        {
-            if (!pwalletdbEncryption->TxnCommit()) {
-                delete pwalletdbEncryption;
-                // We now have keys encrypted in memory, but not on disk...
-                // die to avoid confusion and let the user reload their unencrypted wallet.
-                assert(false);
-            }
-
-            delete pwalletdbEncryption;
-            pwalletdbEncryption = NULL;
-        }
-
-        Lock();
-        Unlock(strWalletPassphrase);
-        NewKeyPool();
-        Lock();
-
-        // 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_t CWallet::IncOrderPosNext(CWalletDB *pwalletdb)
-{
-    AssertLockHeld(cs_wallet); // nOrderPosNext
-    int64_t 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)
-{
-    AssertLockHeld(cs_wallet); // mapWallet
-    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::MarkDirty()
-{
-    {
-        LOCK(cs_wallet);
-        BOOST_FOREACH(PAIRTYPE(const uint256, CWalletTx)& item, mapWallet)
-            item.second.MarkDirty();
-    }
-}
-
-bool CWallet::AddToWallet(const CWalletTx& wtxIn, bool fFromLoadWallet, CWalletDB* pwalletdb)
-{
-    uint256 hash = wtxIn.GetHash();
-
-    if (fFromLoadWallet)
-    {
-        mapWallet[hash] = wtxIn;
-        mapWallet[hash].BindWallet(this);
-        AddToSpends(hash);
-    }
-    else
-    {
-        LOCK(cs_wallet);
-        // Inserts only if not already there, returns tx inserted or tx found
-        pair<map<uint256, CWalletTx>::iterator, bool> ret = mapWallet.insert(make_pair(hash, wtxIn));
-        CWalletTx& wtx = (*ret.first).second;
-        wtx.BindWallet(this);
-        bool fInsertedNew = ret.second;
-        if (fInsertedNew)
-        {
-            wtx.nTimeReceived = GetAdjustedTime();
-            wtx.nOrderPos = IncOrderPosNext(pwalletdb);
-
-            wtx.nTimeSmart = wtx.nTimeReceived;
-            if (!wtxIn.hashBlock.IsNull())
-            {
-                if (mapBlockIndex.count(wtxIn.hashBlock))
-                {
-                    int64_t latestNow = wtx.nTimeReceived;
-                    int64_t latestEntry = 0;
-                    {
-                        // Tolerate times up to the last timestamp in the wallet not more than 5 minutes into the future
-                        int64_t 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_t 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;
-                            }
-                        }
-                    }
-
-                    int64_t blocktime = mapBlockIndex[wtxIn.hashBlock]->GetBlockTime();
-                    wtx.nTimeSmart = std::max(latestEntry, std::min(blocktime, latestNow));
-                }
-                else
-                    LogPrintf("AddToWallet(): found %s in block %s not in index\n",
-                             wtxIn.GetHash().ToString(),
-                             wtxIn.hashBlock.ToString());
-            }
-            AddToSpends(hash);
-        }
-
-        bool fUpdated = false;
-        if (!fInsertedNew)
-        {
-            // Merge
-            if (!wtxIn.hashBlock.IsNull() && wtxIn.hashBlock != wtx.hashBlock)
-            {
-                wtx.hashBlock = wtxIn.hashBlock;
-                fUpdated = true;
-            }
-            if (wtxIn.nIndex != -1 && (wtxIn.vMerkleBranch != wtx.vMerkleBranch || wtxIn.nIndex != wtx.nIndex))
-            {
-                wtx.vMerkleBranch = wtxIn.vMerkleBranch;
-                wtx.nIndex = wtxIn.nIndex;
-                fUpdated = true;
-            }
-            if (wtxIn.fFromMe && wtxIn.fFromMe != wtx.fFromMe)
-            {
-                wtx.fFromMe = wtxIn.fFromMe;
-                fUpdated = true;
-            }
-        }
-
-        //// debug print
-        LogPrintf("AddToWallet %s  %s%s\n", wtxIn.GetHash().ToString(), (fInsertedNew ? "new" : ""), (fUpdated ? "update" : ""));
-
-        // Write to disk
-        if (fInsertedNew || fUpdated)
-            if (!wtx.WriteToDisk(pwalletdb))
-                return false;
-
-        // Break debit/credit balance caches:
-        wtx.MarkDirty();
-
-        // 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;
-}
-
-/**
- * Add a transaction to the wallet, or update it.
- * pblock is optional, but should be provided if the transaction is known to be in a block.
- * If fUpdate is true, existing transactions will be updated.
- */
-bool CWallet::AddToWalletIfInvolvingMe(const CTransaction& tx, const CBlock* pblock, bool fUpdate)
-{
-    {
-        AssertLockHeld(cs_wallet);
-        bool fExisted = mapWallet.count(tx.GetHash()) != 0;
-        if (fExisted && !fUpdate) return false;
-        if (fExisted || IsMine(tx) || IsFromMe(tx))
-        {
-            CWalletTx wtx(this,tx);
-
-            // Get merkle branch if transaction was found in a block
-            if (pblock)
-                wtx.SetMerkleBranch(*pblock);
-
-            // Do not flush the wallet here for performance reasons
-            // this is safe, as in case of a crash, we rescan the necessary blocks on startup through our SetBestChain-mechanism
-            CWalletDB walletdb(strWalletFile, "r+", false);
-
-            return AddToWallet(wtx, false, &walletdb);
-        }
-    }
-    return false;
-}
-
-void CWallet::SyncTransaction(const CTransaction& tx, const CBlock* pblock)
-{
-    LOCK2(cs_main, cs_wallet);
-    if (!AddToWalletIfInvolvingMe(tx, pblock, true))
-        return; // Not one of ours
-
-    // If a transaction changes 'conflicted' state, that changes the balance
-    // available of the outputs it spends. So force those to be
-    // recomputed, also:
-    BOOST_FOREACH(const CTxIn& txin, tx.vin)
-    {
-        if (mapWallet.count(txin.prevout.hash))
-            mapWallet[txin.prevout.hash].MarkDirty();
-    }
-}
-
-void CWallet::EraseFromWallet(const uint256 &hash)
-{
-    if (!fFileBacked)
-        return;
-    {
-        LOCK(cs_wallet);
-        if (mapWallet.erase(hash))
-            CWalletDB(strWalletFile).EraseTx(hash);
-    }
-    return;
-}
-
-
-isminetype CWallet::IsMine(const CTxIn &txin) const
-{
-    {
-        LOCK(cs_wallet);
-        map<uint256, CWalletTx>::const_iterator mi = mapWallet.find(txin.prevout.hash);
-        if (mi != mapWallet.end())
-        {
-            const CWalletTx& prev = (*mi).second;
-            if (txin.prevout.n < prev.vout.size())
-                return IsMine(prev.vout[txin.prevout.n]);
-        }
-    }
-    return ISMINE_NO;
-}
-
-CAmount CWallet::GetDebit(const CTxIn &txin, const isminefilter& filter) const
-{
-    {
-        LOCK(cs_wallet);
-        map<uint256, CWalletTx>::const_iterator mi = mapWallet.find(txin.prevout.hash);
-        if (mi != mapWallet.end())
-        {
-            const CWalletTx& prev = (*mi).second;
-            if (txin.prevout.n < prev.vout.size())
-                if (IsMine(prev.vout[txin.prevout.n]) & filter)
-                    return prev.vout[txin.prevout.n].nValue;
-        }
-    }
-    return 0;
-}
-
-bool CWallet::IsChange(const CTxOut& txout) const
-{
-    // TODO: fix handling of 'change' outputs. The assumption is that any
-    // payment to a script that is ours, but is not in the address book
-    // is change. That assumption is likely to break when we implement multisignature
-    // wallets that return change back into a multi-signature-protected address;
-    // a better way of identifying which outputs are 'the send' and which are
-    // 'the change' will need to be implemented (maybe extend CWalletTx to remember
-    // which output, if any, was change).
-    if (::IsMine(*this, txout.scriptPubKey))
-    {
-        CTxDestination address;
-        if (!ExtractDestination(txout.scriptPubKey, address))
-            return true;
-
-        LOCK(cs_wallet);
-        if (!mapAddressBook.count(address))
-            return true;
-    }
-    return false;
-}
-
-int64_t CWalletTx::GetTxTime() const
-{
-    int64_t n = nTimeSmart;
-    return n ? n : nTimeReceived;
-}
-
-int CWalletTx::GetRequestCount() const
-{
-    // Returns -1 if it wasn't being tracked
-    int nRequests = -1;
-    {
-        LOCK(pwallet->cs_wallet);
-        if (IsCoinBase())
-        {
-            // Generated block
-            if (!hashBlock.IsNull())
-            {
-                map<uint256, int>::const_iterator mi = pwallet->mapRequestCount.find(hashBlock);
-                if (mi != pwallet->mapRequestCount.end())
-                    nRequests = (*mi).second;
-            }
-        }
-        else
-        {
-            // Did anyone request this transaction?
-            map<uint256, int>::const_iterator mi = pwallet->mapRequestCount.find(GetHash());
-            if (mi != pwallet->mapRequestCount.end())
-            {
-                nRequests = (*mi).second;
-
-                // How about the block it's in?
-                if (nRequests == 0 && !hashBlock.IsNull())
-                {
-                    map<uint256, int>::const_iterator mi = pwallet->mapRequestCount.find(hashBlock);
-                    if (mi != pwallet->mapRequestCount.end())
-                        nRequests = (*mi).second;
-                    else
-                        nRequests = 1; // If it's in someone else's block it must have got out
-                }
-            }
-        }
-    }
-    return nRequests;
-}
-
-void CWalletTx::GetAmounts(list<COutputEntry>& listReceived,
-                           list<COutputEntry>& listSent, CAmount& nFee, string& strSentAccount, const isminefilter& filter) const
-{
-    nFee = 0;
-    listReceived.clear();
-    listSent.clear();
-    strSentAccount = strFromAccount;
-
-    // Compute fee:
-    CAmount nDebit = GetDebit(filter);
-    if (nDebit > 0) // debit>0 means we signed/sent this transaction
-    {
-        CAmount nValueOut = GetValueOut();
-        nFee = nDebit - nValueOut;
-    }
-
-    // Sent/received.
-    for (unsigned int i = 0; i < vout.size(); ++i)
-    {
-        const CTxOut& txout = vout[i];
-        isminetype fIsMine = pwallet->IsMine(txout);
-        // Only need to handle txouts if AT LEAST one of these is true:
-        //   1) they debit from us (sent)
-        //   2) the output is to us (received)
-        if (nDebit > 0)
-        {
-            // Don't report 'change' txouts
-            if (pwallet->IsChange(txout))
-                continue;
-        }
-        else if (!(fIsMine & filter))
-            continue;
-
-        // In either case, we need to get the destination address
-        CTxDestination address;
-        if (!ExtractDestination(txout.scriptPubKey, address))
-        {
-            LogPrintf("CWalletTx::GetAmounts: Unknown transaction type found, txid %s\n",
-                     this->GetHash().ToString());
-            address = CNoDestination();
-        }
-
-        COutputEntry output = {address, txout.nValue, (int)i};
-
-        // If we are debited by the transaction, add the output as a "sent" entry
-        if (nDebit > 0)
-            listSent.push_back(output);
-
-        // If we are receiving the output, add it as a "received" entry
-        if (fIsMine & filter)
-            listReceived.push_back(output);
-    }
-
-}
-
-void CWalletTx::GetAccountAmounts(const string& strAccount, CAmount& nReceived,
-                                  CAmount& nSent, CAmount& nFee, const isminefilter& filter) const
-{
-    nReceived = nSent = nFee = 0;
-
-    CAmount allFee;
-    string strSentAccount;
-    list<COutputEntry> listReceived;
-    list<COutputEntry> listSent;
-    GetAmounts(listReceived, listSent, allFee, strSentAccount, filter);
-
-    if (strAccount == strSentAccount)
-    {
-        BOOST_FOREACH(const COutputEntry& s, listSent)
-            nSent += s.amount;
-        nFee = allFee;
-    }
-    {
-        LOCK(pwallet->cs_wallet);
-        BOOST_FOREACH(const COutputEntry& r, listReceived)
-        {
-            if (pwallet->mapAddressBook.count(r.destination))
-            {
-                map<CTxDestination, CAddressBookData>::const_iterator mi = pwallet->mapAddressBook.find(r.destination);
-                if (mi != pwallet->mapAddressBook.end() && (*mi).second.name == strAccount)
-                    nReceived += r.amount;
-            }
-            else if (strAccount.empty())
-            {
-                nReceived += r.amount;
-            }
-        }
-    }
-}
-
-
-bool CWalletTx::WriteToDisk(CWalletDB *pwalletdb)
-{
-    return pwalletdb->WriteTx(GetHash(), *this);
-}
-
-/**
- * Scan the block chain (starting in pindexStart) for transactions
- * from or to us. If fUpdate is true, found transactions that already
- * exist in the wallet will be updated.
- */
-int CWallet::ScanForWalletTransactions(CBlockIndex* pindexStart, bool fUpdate)
-{
-    int ret = 0;
-    int64_t nNow = GetTime();
-
-    CBlockIndex* pindex = pindexStart;
-    {
-        LOCK2(cs_main, cs_wallet);
-
-        // no need to read and scan block, if block was created before
-        // our wallet birthday (as adjusted for block time variability)
-        while (pindex && nTimeFirstKey && (pindex->GetBlockTime() < (nTimeFirstKey - 7200)))
-            pindex = chainActive.Next(pindex);
-
-        ShowProgress(_("Rescanning..."), 0); // show rescan progress in GUI as dialog or on splashscreen, if -rescan on startup
-        double dProgressStart = Checkpoints::GuessVerificationProgress(pindex, false);
-        double dProgressTip = Checkpoints::GuessVerificationProgress(chainActive.Tip(), false);
-        while (pindex)
-        {
-            if (pindex->nHeight % 100 == 0 && dProgressTip - dProgressStart > 0.0)
-                ShowProgress(_("Rescanning..."), std::max(1, std::min(99, (int)((Checkpoints::GuessVerificationProgress(pindex, false) - dProgressStart) / (dProgressTip - dProgressStart) * 100))));
-
-            CBlock block;
-            ReadBlockFromDisk(block, pindex);
-            BOOST_FOREACH(CTransaction& tx, block.vtx)
-            {
-                if (AddToWalletIfInvolvingMe(tx, &block, fUpdate))
-                    ret++;
-            }
-            pindex = chainActive.Next(pindex);
-            if (GetTime() >= nNow + 60) {
-                nNow = GetTime();
-                LogPrintf("Still rescanning. At block %d. Progress=%f\n", pindex->nHeight, Checkpoints::GuessVerificationProgress(pindex));
-            }
-        }
-        ShowProgress(_("Rescanning..."), 100); // hide progress dialog in GUI
-    }
-    return ret;
-}
-
-void CWallet::ReacceptWalletTransactions()
-{
-    LOCK2(cs_main, cs_wallet);
-    BOOST_FOREACH(PAIRTYPE(const uint256, CWalletTx)& item, mapWallet)
-    {
-        const uint256& wtxid = item.first;
-        CWalletTx& wtx = item.second;
-        assert(wtx.GetHash() == wtxid);
-
-        int nDepth = wtx.GetDepthInMainChain();
-
-        if (!wtx.IsCoinBase() && nDepth < 0)
-        {
-            // Try to add to memory pool
-            LOCK(mempool.cs);
-            wtx.AcceptToMemoryPool(false);
-        }
-    }
-}
-
-void CWalletTx::RelayWalletTransaction()
-{
-    if (!IsCoinBase())
-    {
-        if (GetDepthInMainChain() == 0) {
-            LogPrintf("Relaying wtx %s\n", GetHash().ToString());
-            RelayTransaction((CTransaction)*this);
-        }
-    }
-}
-
-set<uint256> CWalletTx::GetConflicts() const
-{
-    set<uint256> result;
-    if (pwallet != NULL)
-    {
-        uint256 myHash = GetHash();
-        result = pwallet->GetConflicts(myHash);
-        result.erase(myHash);
-    }
-    return result;
-}
-
-CAmount CWalletTx::GetDebit(const isminefilter& filter) const
-{
-    if (vin.empty())
-        return 0;
-
-    CAmount debit = 0;
-    if(filter & ISMINE_SPENDABLE)
-    {
-        if (fDebitCached)
-            debit += nDebitCached;
-        else
-        {
-            nDebitCached = pwallet->GetDebit(*this, ISMINE_SPENDABLE);
-            fDebitCached = true;
-            debit += nDebitCached;
-        }
-    }
-    if(filter & ISMINE_WATCH_ONLY)
-    {
-        if(fWatchDebitCached)
-            debit += nWatchDebitCached;
-        else
-        {
-            nWatchDebitCached = pwallet->GetDebit(*this, ISMINE_WATCH_ONLY);
-            fWatchDebitCached = true;
-            debit += nWatchDebitCached;
-        }
-    }
-    return debit;
-}
-
-CAmount CWalletTx::GetCredit(const isminefilter& filter) const
-{
-    // Must wait until coinbase is safely deep enough in the chain before valuing it
-    if (IsCoinBase() && GetBlocksToMaturity() > 0)
-        return 0;
-
-    int64_t credit = 0;
-    if (filter & ISMINE_SPENDABLE)
-    {
-        // GetBalance can assume transactions in mapWallet won't change
-        if (fCreditCached)
-            credit += nCreditCached;
-        else
-        {
-            nCreditCached = pwallet->GetCredit(*this, ISMINE_SPENDABLE);
-            fCreditCached = true;
-            credit += nCreditCached;
-        }
-    }
-    if (filter & ISMINE_WATCH_ONLY)
-    {
-        if (fWatchCreditCached)
-            credit += nWatchCreditCached;
-        else
-        {
-            nWatchCreditCached = pwallet->GetCredit(*this, ISMINE_WATCH_ONLY);
-            fWatchCreditCached = true;
-            credit += nWatchCreditCached;
-        }
-    }
-    return credit;
-}
-
-CAmount CWalletTx::GetImmatureCredit(bool fUseCache) const
-{
-    if (IsCoinBase() && GetBlocksToMaturity() > 0 && IsInMainChain())
-    {
-        if (fUseCache && fImmatureCreditCached)
-            return nImmatureCreditCached;
-        nImmatureCreditCached = pwallet->GetCredit(*this, ISMINE_SPENDABLE);
-        fImmatureCreditCached = true;
-        return nImmatureCreditCached;
-    }
-
-    return 0;
-}
-
-CAmount CWalletTx::GetAvailableCredit(bool fUseCache) const
-{
-    if (pwallet == 0)
-        return 0;
-
-    // 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;
-
-    CAmount nCredit = 0;
-    uint256 hashTx = GetHash();
-    for (unsigned int i = 0; i < vout.size(); i++)
-    {
-        if (!pwallet->IsSpent(hashTx, i))
-        {
-            const CTxOut &txout = vout[i];
-            nCredit += pwallet->GetCredit(txout, ISMINE_SPENDABLE);
-            if (!MoneyRange(nCredit))
-                throw std::runtime_error("CWalletTx::GetAvailableCredit() : value out of range");
-        }
-    }
-
-    nAvailableCreditCached = nCredit;
-    fAvailableCreditCached = true;
-    return nCredit;
-}
-
-CAmount CWalletTx::GetImmatureWatchOnlyCredit(const bool& fUseCache) const
-{
-    if (IsCoinBase() && GetBlocksToMaturity() > 0 && IsInMainChain())
-    {
-        if (fUseCache && fImmatureWatchCreditCached)
-            return nImmatureWatchCreditCached;
-        nImmatureWatchCreditCached = pwallet->GetCredit(*this, ISMINE_WATCH_ONLY);
-        fImmatureWatchCreditCached = true;
-        return nImmatureWatchCreditCached;
-    }
-
-    return 0;
-}
-
-CAmount CWalletTx::GetAvailableWatchOnlyCredit(const bool& fUseCache) const
-{
-    if (pwallet == 0)
-        return 0;
-
-    // Must wait until coinbase is safely deep enough in the chain before valuing it
-    if (IsCoinBase() && GetBlocksToMaturity() > 0)
-        return 0;
-
-    if (fUseCache && fAvailableWatchCreditCached)
-        return nAvailableWatchCreditCached;
-
-    CAmount nCredit = 0;
-    for (unsigned int i = 0; i < vout.size(); i++)
-    {
-        if (!pwallet->IsSpent(GetHash(), i))
-        {
-            const CTxOut &txout = vout[i];
-            nCredit += pwallet->GetCredit(txout, ISMINE_WATCH_ONLY);
-            if (!MoneyRange(nCredit))
-                throw std::runtime_error("CWalletTx::GetAvailableCredit() : value out of range");
-        }
-    }
-
-    nAvailableWatchCreditCached = nCredit;
-    fAvailableWatchCreditCached = true;
-    return nCredit;
-}
-
-CAmount CWalletTx::GetChange() const
-{
-    if (fChangeCached)
-        return nChangeCached;
-    nChangeCached = pwallet->GetChange(*this);
-    fChangeCached = true;
-    return nChangeCached;
-}
-
-bool CWalletTx::IsTrusted() const
-{
-    // Quick answer in most cases
-    if (!IsFinalTx(*this))
-        return false;
-    int nDepth = GetDepthInMainChain();
-    if (nDepth >= 1)
-        return true;
-    if (nDepth < 0)
-        return false;
-    if (!bSpendZeroConfChange || !IsFromMe(ISMINE_ALL)) // using wtx's cached debit
-        return false;
-
-    // Trusted if all inputs are from us and are in the mempool:
-    BOOST_FOREACH(const CTxIn& txin, vin)
-    {
-        // Transactions not sent by us: not trusted
-        const CWalletTx* parent = pwallet->GetWalletTx(txin.prevout.hash);
-        if (parent == NULL)
-            return false;
-        const CTxOut& parentOut = parent->vout[txin.prevout.n];
-        if (pwallet->IsMine(parentOut) != ISMINE_SPENDABLE)
-            return false;
-    }
-    return true;
-}
-
-void CWallet::ResendWalletTransactions()
-{
-    // Do this infrequently and randomly to avoid giving away
-    // that these are our transactions.
-    if (GetTime() < nNextResend)
-        return;
-    bool fFirst = (nNextResend == 0);
-    nNextResend = GetTime() + GetRand(30 * 60);
-    if (fFirst)
-        return;
-
-    // Only do it if there's been a new block since last time
-    if (nTimeBestReceived < nLastResend)
-        return;
-    nLastResend = GetTime();
-
-    // Rebroadcast any of our txes that aren't in a block yet
-    LogPrintf("ResendWalletTransactions()\n");
-    {
-        LOCK(cs_wallet);
-        // Sort them in chronological order
-        multimap<unsigned int, CWalletTx*> mapSorted;
-        BOOST_FOREACH(PAIRTYPE(const uint256, CWalletTx)& item, mapWallet)
-        {
-            CWalletTx& wtx = item.second;
-            // Don't rebroadcast until it's had plenty of time that
-            // it should have gotten in already by now.
-            if (nTimeBestReceived - (int64_t)wtx.nTimeReceived > 5 * 60)
-                mapSorted.insert(make_pair(wtx.nTimeReceived, &wtx));
-        }
-        BOOST_FOREACH(PAIRTYPE(const unsigned int, CWalletTx*)& item, mapSorted)
-        {
-            CWalletTx& wtx = *item.second;
-            wtx.RelayWalletTransaction();
-        }
-    }
-}
-
-/** @} */ // end of mapWallet
-
-
-
-
-/** @defgroup Actions
- *
- * @{
- */
-
-
-CAmount CWallet::GetBalance() const
-{
-    CAmount nTotal = 0;
-    {
-        LOCK2(cs_main, cs_wallet);
-        for (map<uint256, CWalletTx>::const_iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
-        {
-            const CWalletTx* pcoin = &(*it).second;
-            if (pcoin->IsTrusted())
-                nTotal += pcoin->GetAvailableCredit();
-        }
-    }
-
-    return nTotal;
-}
-
-CAmount CWallet::GetUnconfirmedBalance() const
-{
-    CAmount nTotal = 0;
-    {
-        LOCK2(cs_main, cs_wallet);
-        for (map<uint256, CWalletTx>::const_iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
-        {
-            const CWalletTx* pcoin = &(*it).second;
-            if (!IsFinalTx(*pcoin) || (!pcoin->IsTrusted() && pcoin->GetDepthInMainChain() == 0))
-                nTotal += pcoin->GetAvailableCredit();
-        }
-    }
-    return nTotal;
-}
-
-CAmount CWallet::GetImmatureBalance() const
-{
-    CAmount nTotal = 0;
-    {
-        LOCK2(cs_main, cs_wallet);
-        for (map<uint256, CWalletTx>::const_iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
-        {
-            const CWalletTx* pcoin = &(*it).second;
-            nTotal += pcoin->GetImmatureCredit();
-        }
-    }
-    return nTotal;
-}
-
-CAmount CWallet::GetWatchOnlyBalance() const
-{
-    CAmount nTotal = 0;
-    {
-        LOCK2(cs_main, cs_wallet);
-        for (map<uint256, CWalletTx>::const_iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
-        {
-            const CWalletTx* pcoin = &(*it).second;
-            if (pcoin->IsTrusted())
-                nTotal += pcoin->GetAvailableWatchOnlyCredit();
-        }
-    }
-
-    return nTotal;
-}
-
-CAmount CWallet::GetUnconfirmedWatchOnlyBalance() const
-{
-    CAmount nTotal = 0;
-    {
-        LOCK2(cs_main, cs_wallet);
-        for (map<uint256, CWalletTx>::const_iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
-        {
-            const CWalletTx* pcoin = &(*it).second;
-            if (!IsFinalTx(*pcoin) || (!pcoin->IsTrusted() && pcoin->GetDepthInMainChain() == 0))
-                nTotal += pcoin->GetAvailableWatchOnlyCredit();
-        }
-    }
-    return nTotal;
-}
-
-CAmount CWallet::GetImmatureWatchOnlyBalance() const
-{
-    CAmount nTotal = 0;
-    {
-        LOCK2(cs_main, cs_wallet);
-        for (map<uint256, CWalletTx>::const_iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
-        {
-            const CWalletTx* pcoin = &(*it).second;
-            nTotal += pcoin->GetImmatureWatchOnlyCredit();
-        }
-    }
-    return nTotal;
-}
-
-/**
- * populate vCoins with vector of available COutputs.
- */
-void CWallet::AvailableCoins(vector<COutput>& vCoins, bool fOnlyConfirmed, const CCoinControl *coinControl) const
-{
-    vCoins.clear();
-
-    {
-        LOCK2(cs_main, cs_wallet);
-        for (map<uint256, CWalletTx>::const_iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
-        {
-            const uint256& wtxid = it->first;
-            const CWalletTx* pcoin = &(*it).second;
-
-            if (!IsFinalTx(*pcoin))
-                continue;
-
-            if (fOnlyConfirmed && !pcoin->IsTrusted())
-                continue;
-
-            if (pcoin->IsCoinBase() && pcoin->GetBlocksToMaturity() > 0)
-                continue;
-
-            int nDepth = pcoin->GetDepthInMainChain();
-            if (nDepth < 0)
-                continue;
-
-            for (unsigned int i = 0; i < pcoin->vout.size(); i++) {
-                isminetype mine = IsMine(pcoin->vout[i]);
-                if (!(IsSpent(wtxid, i)) && mine != ISMINE_NO &&
-                    !IsLockedCoin((*it).first, i) && pcoin->vout[i].nValue > 0 &&
-                    (!coinControl || !coinControl->HasSelected() || coinControl->IsSelected((*it).first, i)))
-                        vCoins.push_back(COutput(pcoin, i, nDepth, (mine & ISMINE_SPENDABLE) != ISMINE_NO));
-            }
-        }
-    }
-}
-
-static void ApproximateBestSubset(vector<pair<CAmount, pair<const CWalletTx*,unsigned int> > >vValue, const CAmount& nTotalLower, const CAmount& nTargetValue,
-                                  vector<char>& vfBest, CAmount& nBest, int iterations = 1000)
-{
-    vector<char> vfIncluded;
-
-    vfBest.assign(vValue.size(), true);
-    nBest = nTotalLower;
-
-    seed_insecure_rand();
-
-    for (int nRep = 0; nRep < iterations && nBest != nTargetValue; nRep++)
-    {
-        vfIncluded.assign(vValue.size(), false);
-        CAmount nTotal = 0;
-        bool fReachedTarget = false;
-        for (int nPass = 0; nPass < 2 && !fReachedTarget; nPass++)
-        {
-            for (unsigned int i = 0; i < vValue.size(); i++)
-            {
-                //The solver here uses a randomized algorithm,
-                //the randomness serves no real security purpose but is just
-                //needed to prevent degenerate behavior and it is important
-                //that the rng is fast. We do not use a constant random sequence,
-                //because there may be some privacy improvement by making
-                //the selection random.
-                if (nPass == 0 ? insecure_rand()&1 : !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;
-                    }
-                }
-            }
-        }
-    }
-}
-
-bool CWallet::SelectCoinsMinConf(const CAmount& nTargetValue, int nConfMine, int nConfTheirs, vector<COutput> vCoins,
-                                 set<pair<const CWalletTx*,unsigned int> >& setCoinsRet, CAmount& nValueRet) const
-{
-    setCoinsRet.clear();
-    nValueRet = 0;
-
-    // List of values less than target
-    pair<CAmount, pair<const CWalletTx*,unsigned int> > coinLowestLarger;
-    coinLowestLarger.first = std::numeric_limits<CAmount>::max();
-    coinLowestLarger.second.first = NULL;
-    vector<pair<CAmount, pair<const CWalletTx*,unsigned int> > > vValue;
-    CAmount nTotalLower = 0;
-
-    random_shuffle(vCoins.begin(), vCoins.end(), GetRandInt);
-
-    BOOST_FOREACH(const COutput &output, vCoins)
-    {
-        if (!output.fSpendable)
-            continue;
-
-        const CWalletTx *pcoin = output.tx;
-
-        if (output.nDepth < (pcoin->IsFromMe(ISMINE_ALL) ? nConfMine : nConfTheirs))
-            continue;
-
-        int i = output.i;
-        CAmount n = pcoin->vout[i].nValue;
-
-        pair<CAmount,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 (nTotalLower == nTargetValue)
-    {
-        for (unsigned int i = 0; i < vValue.size(); ++i)
-        {
-            setCoinsRet.insert(vValue[i].second);
-            nValueRet += vValue[i].first;
-        }
-        return true;
-    }
-
-    if (nTotalLower < nTargetValue)
-    {
-        if (coinLowestLarger.second.first == NULL)
-            return false;
-        setCoinsRet.insert(coinLowestLarger.second);
-        nValueRet += coinLowestLarger.first;
-        return true;
-    }
-
-    // Solve subset sum by stochastic approximation
-    sort(vValue.rbegin(), vValue.rend(), CompareValueOnly());
-    vector<char> vfBest;
-    CAmount 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;
-    }
-    else {
-        for (unsigned int i = 0; i < vValue.size(); i++)
-            if (vfBest[i])
-            {
-                setCoinsRet.insert(vValue[i].second);
-                nValueRet += vValue[i].first;
-            }
-
-        LogPrint("selectcoins", "SelectCoins() best subset: ");
-        for (unsigned int i = 0; i < vValue.size(); i++)
-            if (vfBest[i])
-                LogPrint("selectcoins", "%s ", FormatMoney(vValue[i].first));
-        LogPrint("selectcoins", "total %s\n", FormatMoney(nBest));
-    }
-
-    return true;
-}
-
-bool CWallet::SelectCoins(const CAmount& nTargetValue, set<pair<const CWalletTx*,unsigned int> >& setCoinsRet, CAmount& nValueRet, const CCoinControl* coinControl) const
-{
-    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)
-        {
-            if(!out.fSpendable)
-                continue;
-            nValueRet += out.tx->vout[out.i].nValue;
-            setCoinsRet.insert(make_pair(out.tx, out.i));
-        }
-        return (nValueRet >= nTargetValue);
-    }
-
-    return (SelectCoinsMinConf(nTargetValue, 1, 6, vCoins, setCoinsRet, nValueRet) ||
-            SelectCoinsMinConf(nTargetValue, 1, 1, vCoins, setCoinsRet, nValueRet) ||
-            (bSpendZeroConfChange && SelectCoinsMinConf(nTargetValue, 0, 1, vCoins, setCoinsRet, nValueRet)));
-}
-
-
-
-
-bool CWallet::CreateTransaction(const vector<pair<CScript, CAmount> >& vecSend,
-                                CWalletTx& wtxNew, CReserveKey& reservekey, CAmount& nFeeRet, std::string& strFailReason, const CCoinControl* coinControl)
-{
-    CAmount nValue = 0;
-    BOOST_FOREACH (const PAIRTYPE(CScript, CAmount)& s, vecSend)
-    {
-        if (nValue < 0)
-        {
-            strFailReason = _("Transaction amounts must be positive");
-            return false;
-        }
-        nValue += s.second;
-    }
-    if (vecSend.empty() || nValue < 0)
-    {
-        strFailReason = _("Transaction amounts must be positive");
-        return false;
-    }
-
-    wtxNew.fTimeReceivedIsTxTime = true;
-    wtxNew.BindWallet(this);
-    CMutableTransaction txNew;
-
-    // Discourage fee sniping.
-    //
-    // However because of a off-by-one-error in previous versions we need to
-    // neuter it by setting nLockTime to at least one less than nBestHeight.
-    // Secondly currently propagation of transactions created for block heights
-    // corresponding to blocks that were just mined may be iffy - transactions
-    // aren't re-accepted into the mempool - we additionally neuter the code by
-    // going ten blocks back. Doesn't yet do anything for sniping, but does act
-    // to shake out wallet bugs like not showing nLockTime'd transactions at
-    // all.
-    txNew.nLockTime = std::max(0, chainActive.Height() - 10);
-
-    // Secondly occasionally randomly pick a nLockTime even further back, so
-    // that transactions that are delayed after signing for whatever reason,
-    // e.g. high-latency mix networks and some CoinJoin implementations, have
-    // better privacy.
-    if (GetRandInt(10) == 0)
-        txNew.nLockTime = std::max(0, (int)txNew.nLockTime - GetRandInt(100));
-
-    assert(txNew.nLockTime <= (unsigned int)chainActive.Height());
-    assert(txNew.nLockTime < LOCKTIME_THRESHOLD);
-
-    {
-        LOCK2(cs_main, cs_wallet);
-        {
-            nFeeRet = 0;
-            while (true)
-            {
-                txNew.vin.clear();
-                txNew.vout.clear();
-                wtxNew.fFromMe = true;
-
-                CAmount nTotalValue = nValue + nFeeRet;
-                double dPriority = 0;
-                // vouts to the payees
-                BOOST_FOREACH (const PAIRTYPE(CScript, CAmount)& s, vecSend)
-                {
-                    CTxOut txout(s.second, s.first);
-                    if (txout.IsDust(::minRelayTxFee))
-                    {
-                        strFailReason = _("Transaction amount too small");
-                        return false;
-                    }
-                    txNew.vout.push_back(txout);
-                }
-
-                // Choose coins to use
-                set<pair<const CWalletTx*,unsigned int> > setCoins;
-                CAmount nValueIn = 0;
-                if (!SelectCoins(nTotalValue, setCoins, nValueIn, coinControl))
-                {
-                    strFailReason = _("Insufficient funds");
-                    return false;
-                }
-                BOOST_FOREACH(PAIRTYPE(const CWalletTx*, unsigned int) pcoin, setCoins)
-                {
-                    CAmount nCredit = pcoin.first->vout[pcoin.second].nValue;
-                    //The coin age after the next block (depth+1) is used instead of the current,
-                    //reflecting an assumption the user would accept a bit more delay for
-                    //a chance at a free transaction.
-                    //But mempool inputs might still be in the mempool, so their age stays 0
-                    int age = pcoin.first->GetDepthInMainChain();
-                    if (age != 0)
-                        age += 1;
-                    dPriority += (double)nCredit * age;
-                }
-
-                CAmount nChange = nValueIn - nValue - nFeeRet;
-
-                if (nChange > 0)
-                {
-                    // Fill a vout to ourself
-                    // TODO: pass in scriptChange instead of reservekey so
-                    // change transaction isn't always pay-to-bitcoin-address
-                    CScript scriptChange;
-
-                    // coin control: send change to custom address
-                    if (coinControl && !boost::get<CNoDestination>(&coinControl->destChange))
-                        scriptChange = GetScriptForDestination(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;
-                        bool ret;
-                        ret = reservekey.GetReservedKey(vchPubKey);
-                        assert(ret); // should never fail, as we just unlocked
-
-                        scriptChange = GetScriptForDestination(vchPubKey.GetID());
-                    }
-
-                    CTxOut newTxOut(nChange, scriptChange);
-
-                    // Never create dust outputs; if we would, just
-                    // add the dust to the fee.
-                    if (newTxOut.IsDust(::minRelayTxFee))
-                    {
-                        nFeeRet += nChange;
-                        reservekey.ReturnKey();
-                    }
-                    else
-                    {
-                        // Insert change txn at random position:
-                        vector<CTxOut>::iterator position = txNew.vout.begin()+GetRandInt(txNew.vout.size()+1);
-                        txNew.vout.insert(position, newTxOut);
-                    }
-                }
-                else
-                    reservekey.ReturnKey();
-
-                // Fill vin
-                //
-                // Note how the sequence number is set to max()-1 so that the
-                // nLockTime set above actually works.
-                BOOST_FOREACH(const PAIRTYPE(const CWalletTx*,unsigned int)& coin, setCoins)
-                    txNew.vin.push_back(CTxIn(coin.first->GetHash(),coin.second,CScript(),
-                                              std::numeric_limits<unsigned int>::max()-1));
-
-                // Sign
-                int nIn = 0;
-                BOOST_FOREACH(const PAIRTYPE(const CWalletTx*,unsigned int)& coin, setCoins)
-                    if (!SignSignature(*this, *coin.first, txNew, nIn++))
-                    {
-                        strFailReason = _("Signing transaction failed");
-                        return false;
-                    }
-
-                // Embed the constructed transaction data in wtxNew.
-                *static_cast<CTransaction*>(&wtxNew) = CTransaction(txNew);
-
-                // Limit size
-                unsigned int nBytes = ::GetSerializeSize(*(CTransaction*)&wtxNew, SER_NETWORK, PROTOCOL_VERSION);
-                if (nBytes >= MAX_STANDARD_TX_SIZE)
-                {
-                    strFailReason = _("Transaction too large");
-                    return false;
-                }
-                dPriority = wtxNew.ComputePriority(dPriority, nBytes);
-
-                // Can we complete this as a free transaction?
-                if (fSendFreeTransactions && nBytes <= MAX_FREE_TRANSACTION_CREATE_SIZE)
-                {
-                    // Not enough fee: enough priority?
-                    double dPriorityNeeded = mempool.estimatePriority(nTxConfirmTarget);
-                    // Not enough mempool history to estimate: use hard-coded AllowFree.
-                    if (dPriorityNeeded <= 0 && AllowFree(dPriority))
-                        break;
-
-                    // Small enough, and priority high enough, to send for free
-                    if (dPriorityNeeded > 0 && dPriority >= dPriorityNeeded)
-                        break;
-                }
-
-                CAmount nFeeNeeded = GetMinimumFee(nBytes, nTxConfirmTarget, mempool);
-
-                // If we made it here and we aren't even able to meet the relay fee on the next pass, give up
-                // because we must be at the maximum allowed fee.
-                if (nFeeNeeded < ::minRelayTxFee.GetFee(nBytes))
-                {
-                    strFailReason = _("Transaction too large for fee policy");
-                    return false;
-                }
-
-                if (nFeeRet >= nFeeNeeded)
-                    break; // Done, enough fee included.
-
-                // Include more fee and try again.
-                nFeeRet = nFeeNeeded;
-                continue;
-            }
-        }
-    }
-    return true;
-}
-
-bool CWallet::CreateTransaction(CScript scriptPubKey, const CAmount& nValue,
-                                CWalletTx& wtxNew, CReserveKey& reservekey, CAmount& nFeeRet, std::string& strFailReason, const CCoinControl* coinControl)
-{
-    vector< pair<CScript, CAmount> > vecSend;
-    vecSend.push_back(make_pair(scriptPubKey, nValue));
-    return CreateTransaction(vecSend, wtxNew, reservekey, nFeeRet, strFailReason, coinControl);
-}
-
-/**
- * Call after CreateTransaction unless you want to abort
- */
-bool CWallet::CommitTransaction(CWalletTx& wtxNew, CReserveKey& reservekey)
-{
-    {
-        LOCK2(cs_main, cs_wallet);
-        LogPrintf("CommitTransaction:\n%s", wtxNew.ToString());
-        {
-            // This is only to keep the database open to defeat the auto-flush for the
-            // duration of this scope.  This is the only place where this optimization
-            // maybe makes sense; please don't do it anywhere else.
-            CWalletDB* pwalletdb = fFileBacked ? new CWalletDB(strWalletFile,"r+") : NULL;
-
-            // Take key pair from key pool so it won't be used again
-            reservekey.KeepKey();
-
-            // Add tx to wallet, because if it has change it's also ours,
-            // otherwise just for transaction history.
-            AddToWallet(wtxNew, false, pwalletdb);
-
-            // Notify that old coins are spent
-            set<CWalletTx*> setCoins;
-            BOOST_FOREACH(const CTxIn& txin, wtxNew.vin)
-            {
-                CWalletTx &coin = mapWallet[txin.prevout.hash];
-                coin.BindWallet(this);
-                NotifyTransactionChanged(this, coin.GetHash(), CT_UPDATED);
-            }
-
-            if (fFileBacked)
-                delete pwalletdb;
-        }
-
-        // Track how many getdata requests our transaction gets
-        mapRequestCount[wtxNew.GetHash()] = 0;
-
-        // Broadcast
-        if (!wtxNew.AcceptToMemoryPool(false))
-        {
-            // This must not fail. The transaction has already been signed and recorded.
-            LogPrintf("CommitTransaction(): Error: Transaction not valid");
-            return false;
-        }
-        wtxNew.RelayWalletTransaction();
-    }
-    return true;
-}
-
-CAmount CWallet::GetMinimumFee(unsigned int nTxBytes, unsigned int nConfirmTarget, const CTxMemPool& pool)
-{
-    // payTxFee is user-set "I want to pay this much"
-    CAmount nFeeNeeded = payTxFee.GetFee(nTxBytes);
-    // user selected total at least (default=true)
-    if (fPayAtLeastCustomFee && nFeeNeeded > 0 && nFeeNeeded < payTxFee.GetFeePerK())
-        nFeeNeeded = payTxFee.GetFeePerK();
-    // User didn't set: use -txconfirmtarget to estimate...
-    if (nFeeNeeded == 0)
-        nFeeNeeded = pool.estimateFee(nConfirmTarget).GetFee(nTxBytes);
-    // ... unless we don't have enough mempool data, in which case fall
-    // back to a hard-coded fee
-    if (nFeeNeeded == 0)
-        nFeeNeeded = minTxFee.GetFee(nTxBytes);
-    // prevent user from paying a non-sense fee (like 1 satoshi): 0 < fee < minRelayFee
-    if (nFeeNeeded < ::minRelayTxFee.GetFee(nTxBytes))
-        nFeeNeeded = ::minRelayTxFee.GetFee(nTxBytes);
-    // But always obey the maximum
-    if (nFeeNeeded > maxTxFee)
-        nFeeNeeded = maxTxFee;
-    return nFeeNeeded;
-}
-
-
-
-
-DBErrors CWallet::LoadWallet(bool& fFirstRunRet)
-{
-    if (!fFileBacked)
-        return DB_LOAD_OK;
-    fFirstRunRet = false;
-    DBErrors nLoadWalletRet = CWalletDB(strWalletFile,"cr+").LoadWallet(this);
-    if (nLoadWalletRet == DB_NEED_REWRITE)
-    {
-        if (CDB::Rewrite(strWalletFile, "\x04pool"))
-        {
-            LOCK(cs_wallet);
-            setKeyPool.clear();
-            // Note: can't top-up keypool here, because wallet is locked.
-            // User will be prompted to unlock wallet the next operation
-            // the requires a new key.
-        }
-    }
-
-    if (nLoadWalletRet != DB_LOAD_OK)
-        return nLoadWalletRet;
-    fFirstRunRet = !vchDefaultKey.IsValid();
-
-    uiInterface.LoadWallet(this);
-
-    return DB_LOAD_OK;
-}
-
-
-DBErrors CWallet::ZapWalletTx(std::vector<CWalletTx>& vWtx)
-{
-    if (!fFileBacked)
-        return DB_LOAD_OK;
-    DBErrors nZapWalletTxRet = CWalletDB(strWalletFile,"cr+").ZapWalletTx(this, vWtx);
-    if (nZapWalletTxRet == DB_NEED_REWRITE)
-    {
-        if (CDB::Rewrite(strWalletFile, "\x04pool"))
-        {
-            LOCK(cs_wallet);
-            setKeyPool.clear();
-            // Note: can't top-up keypool here, because wallet is locked.
-            // User will be prompted to unlock wallet the next operation
-            // that requires a new key.
-        }
-    }
-
-    if (nZapWalletTxRet != DB_LOAD_OK)
-        return nZapWalletTxRet;
-
-    return DB_LOAD_OK;
-}
-
-
-bool CWallet::SetAddressBook(const CTxDestination& address, const string& strName, const string& strPurpose)
-{
-    bool fUpdated = false;
-    {
-        LOCK(cs_wallet); // mapAddressBook
-        std::map<CTxDestination, CAddressBookData>::iterator mi = mapAddressBook.find(address);
-        fUpdated = mi != mapAddressBook.end();
-        mapAddressBook[address].name = strName;
-        if (!strPurpose.empty()) /* update purpose only if requested */
-            mapAddressBook[address].purpose = strPurpose;
-    }
-    NotifyAddressBookChanged(this, address, strName, ::IsMine(*this, address) != ISMINE_NO,
-                             strPurpose, (fUpdated ? CT_UPDATED : CT_NEW) );
-    if (!fFileBacked)
-        return false;
-    if (!strPurpose.empty() && !CWalletDB(strWalletFile).WritePurpose(CBitcoinAddress(address).ToString(), strPurpose))
-        return false;
-    return CWalletDB(strWalletFile).WriteName(CBitcoinAddress(address).ToString(), strName);
-}
-
-bool CWallet::DelAddressBook(const CTxDestination& address)
-{
-    {
-        LOCK(cs_wallet); // mapAddressBook
-
-        if(fFileBacked)
-        {
-            // Delete destdata tuples associated with address
-            std::string strAddress = CBitcoinAddress(address).ToString();
-            BOOST_FOREACH(const PAIRTYPE(string, string) &item, mapAddressBook[address].destdata)
-            {
-                CWalletDB(strWalletFile).EraseDestData(strAddress, item.first);
-            }
-        }
-        mapAddressBook.erase(address);
-    }
-
-    NotifyAddressBookChanged(this, address, "", ::IsMine(*this, address) != ISMINE_NO, "", CT_DELETED);
-
-    if (!fFileBacked)
-        return false;
-    CWalletDB(strWalletFile).ErasePurpose(CBitcoinAddress(address).ToString());
-    return CWalletDB(strWalletFile).EraseName(CBitcoinAddress(address).ToString());
-}
-
-bool CWallet::SetDefaultKey(const CPubKey &vchPubKey)
-{
-    if (fFileBacked)
-    {
-        if (!CWalletDB(strWalletFile).WriteDefaultKey(vchPubKey))
-            return false;
-    }
-    vchDefaultKey = vchPubKey;
-    return true;
-}
-
-/**
- * Mark old keypool keys as used,
- * and generate all new keys 
- */
-bool CWallet::NewKeyPool()
-{
-    {
-        LOCK(cs_wallet);
-        CWalletDB walletdb(strWalletFile);
-        BOOST_FOREACH(int64_t nIndex, setKeyPool)
-            walletdb.ErasePool(nIndex);
-        setKeyPool.clear();
-
-        if (IsLocked())
-            return false;
-
-        int64_t nKeys = max(GetArg("-keypool", 100), (int64_t)0);
-        for (int i = 0; i < nKeys; i++)
-        {
-            int64_t nIndex = i+1;
-            walletdb.WritePool(nIndex, CKeyPool(GenerateNewKey()));
-            setKeyPool.insert(nIndex);
-        }
-        LogPrintf("CWallet::NewKeyPool wrote %d new keys\n", nKeys);
-    }
-    return true;
-}
-
-bool CWallet::TopUpKeyPool(unsigned int kpSize)
-{
-    {
-        LOCK(cs_wallet);
-
-        if (IsLocked())
-            return false;
-
-        CWalletDB walletdb(strWalletFile);
-
-        // Top up key pool
-        unsigned int nTargetSize;
-        if (kpSize > 0)
-            nTargetSize = kpSize;
-        else
-            nTargetSize = max(GetArg("-keypool", 100), (int64_t) 0);
-
-        while (setKeyPool.size() < (nTargetSize + 1))
-        {
-            int64_t nEnd = 1;
-            if (!setKeyPool.empty())
-                nEnd = *(--setKeyPool.end()) + 1;
-            if (!walletdb.WritePool(nEnd, CKeyPool(GenerateNewKey())))
-                throw runtime_error("TopUpKeyPool(): writing generated key failed");
-            setKeyPool.insert(nEnd);
-            LogPrintf("keypool added key %d, size=%u\n", nEnd, setKeyPool.size());
-        }
-    }
-    return true;
-}
-
-void CWallet::ReserveKeyFromKeyPool(int64_t& nIndex, CKeyPool& keypool)
-{
-    nIndex = -1;
-    keypool.vchPubKey = CPubKey();
-    {
-        LOCK(cs_wallet);
-
-        if (!IsLocked())
-            TopUpKeyPool();
-
-        // Get the oldest key
-        if(setKeyPool.empty())
-            return;
-
-        CWalletDB walletdb(strWalletFile);
-
-        nIndex = *(setKeyPool.begin());
-        setKeyPool.erase(setKeyPool.begin());
-        if (!walletdb.ReadPool(nIndex, keypool))
-            throw runtime_error("ReserveKeyFromKeyPool(): read failed");
-        if (!HaveKey(keypool.vchPubKey.GetID()))
-            throw runtime_error("ReserveKeyFromKeyPool(): unknown key in key pool");
-        assert(keypool.vchPubKey.IsValid());
-        LogPrintf("keypool reserve %d\n", nIndex);
-    }
-}
-
-void CWallet::KeepKey(int64_t nIndex)
-{
-    // Remove from key pool
-    if (fFileBacked)
-    {
-        CWalletDB walletdb(strWalletFile);
-        walletdb.ErasePool(nIndex);
-    }
-    LogPrintf("keypool keep %d\n", nIndex);
-}
-
-void CWallet::ReturnKey(int64_t nIndex)
-{
-    // Return to key pool
-    {
-        LOCK(cs_wallet);
-        setKeyPool.insert(nIndex);
-    }
-    LogPrintf("keypool return %d\n", nIndex);
-}
-
-bool CWallet::GetKeyFromPool(CPubKey& result)
-{
-    int64_t nIndex = 0;
-    CKeyPool keypool;
-    {
-        LOCK(cs_wallet);
-        ReserveKeyFromKeyPool(nIndex, keypool);
-        if (nIndex == -1)
-        {
-            if (IsLocked()) return false;
-            result = GenerateNewKey();
-            return true;
-        }
-        KeepKey(nIndex);
-        result = keypool.vchPubKey;
-    }
-    return true;
-}
-
-int64_t CWallet::GetOldestKeyPoolTime()
-{
-    int64_t nIndex = 0;
-    CKeyPool keypool;
-    ReserveKeyFromKeyPool(nIndex, keypool);
-    if (nIndex == -1)
-        return GetTime();
-    ReturnKey(nIndex);
-    return keypool.nTime;
-}
-
-std::map<CTxDestination, CAmount> CWallet::GetAddressBalances()
-{
-    map<CTxDestination, CAmount> balances;
-
-    {
-        LOCK(cs_wallet);
-        BOOST_FOREACH(PAIRTYPE(uint256, CWalletTx) walletEntry, mapWallet)
-        {
-            CWalletTx *pcoin = &walletEntry.second;
-
-            if (!IsFinalTx(*pcoin) || !pcoin->IsTrusted())
-                continue;
-
-            if (pcoin->IsCoinBase() && pcoin->GetBlocksToMaturity() > 0)
-                continue;
-
-            int nDepth = pcoin->GetDepthInMainChain();
-            if (nDepth < (pcoin->IsFromMe(ISMINE_ALL) ? 0 : 1))
-                continue;
-
-            for (unsigned int i = 0; i < pcoin->vout.size(); i++)
-            {
-                CTxDestination addr;
-                if (!IsMine(pcoin->vout[i]))
-                    continue;
-                if(!ExtractDestination(pcoin->vout[i].scriptPubKey, addr))
-                    continue;
-
-                CAmount n = IsSpent(walletEntry.first, i) ? 0 : pcoin->vout[i].nValue;
-
-                if (!balances.count(addr))
-                    balances[addr] = 0;
-                balances[addr] += n;
-            }
-        }
-    }
-
-    return balances;
-}
-
-set< set<CTxDestination> > CWallet::GetAddressGroupings()
-{
-    AssertLockHeld(cs_wallet); // mapWallet
-    set< set<CTxDestination> > groupings;
-    set<CTxDestination> grouping;
-
-    BOOST_FOREACH(PAIRTYPE(uint256, CWalletTx) walletEntry, mapWallet)
-    {
-        CWalletTx *pcoin = &walletEntry.second;
-
-        if (pcoin->vin.size() > 0)
-        {
-            bool any_mine = false;
-            // group all input addresses with each other
-            BOOST_FOREACH(CTxIn txin, pcoin->vin)
-            {
-                CTxDestination address;
-                if(!IsMine(txin)) /* If this input isn't mine, ignore it */
-                    continue;
-                if(!ExtractDestination(mapWallet[txin.prevout.hash].vout[txin.prevout.n].scriptPubKey, address))
-                    continue;
-                grouping.insert(address);
-                any_mine = true;
-            }
-
-            // group change with input addresses
-            if (any_mine)
-            {
-               BOOST_FOREACH(CTxOut txout, pcoin->vout)
-                   if (IsChange(txout))
-                   {
-                       CTxDestination txoutAddr;
-                       if(!ExtractDestination(txout.scriptPubKey, txoutAddr))
-                           continue;
-                       grouping.insert(txoutAddr);
-                   }
-            }
-            if (grouping.size() > 0)
-            {
-                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]))
-            {
-                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 ret;
-}
-
-set<CTxDestination> CWallet::GetAccountAddresses(string strAccount) const
-{
-    LOCK(cs_wallet);
-    set<CTxDestination> result;
-    BOOST_FOREACH(const PAIRTYPE(CTxDestination, CAddressBookData)& item, mapAddressBook)
-    {
-        const CTxDestination& address = item.first;
-        const string& strName = item.second.name;
-        if (strName == strAccount)
-            result.insert(address);
-    }
-    return result;
-}
-
-bool CReserveKey::GetReservedKey(CPubKey& pubkey)
-{
-    if (nIndex == -1)
-    {
-        CKeyPool keypool;
-        pwallet->ReserveKeyFromKeyPool(nIndex, keypool);
-        if (nIndex != -1)
-            vchPubKey = keypool.vchPubKey;
-        else {
-            return false;
-        }
-    }
-    assert(vchPubKey.IsValid());
-    pubkey = vchPubKey;
-    return true;
-}
-
-void CReserveKey::KeepKey()
-{
-    if (nIndex != -1)
-        pwallet->KeepKey(nIndex);
-    nIndex = -1;
-    vchPubKey = CPubKey();
-}
-
-void CReserveKey::ReturnKey()
-{
-    if (nIndex != -1)
-        pwallet->ReturnKey(nIndex);
-    nIndex = -1;
-    vchPubKey = CPubKey();
-}
-
-void CWallet::GetAllReserveKeys(set<CKeyID>& setAddress) const
-{
-    setAddress.clear();
-
-    CWalletDB walletdb(strWalletFile);
-
-    LOCK2(cs_main, cs_wallet);
-    BOOST_FOREACH(const int64_t& id, setKeyPool)
-    {
-        CKeyPool keypool;
-        if (!walletdb.ReadPool(id, keypool))
-            throw runtime_error("GetAllReserveKeyHashes(): read failed");
-        assert(keypool.vchPubKey.IsValid());
-        CKeyID keyID = keypool.vchPubKey.GetID();
-        if (!HaveKey(keyID))
-            throw runtime_error("GetAllReserveKeyHashes(): unknown key in key pool");
-        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::LockCoin(COutPoint& output)
-{
-    AssertLockHeld(cs_wallet); // setLockedCoins
-    setLockedCoins.insert(output);
-}
-
-void CWallet::UnlockCoin(COutPoint& output)
-{
-    AssertLockHeld(cs_wallet); // setLockedCoins
-    setLockedCoins.erase(output);
-}
-
-void CWallet::UnlockAllCoins()
-{
-    AssertLockHeld(cs_wallet); // setLockedCoins
-    setLockedCoins.clear();
-}
-
-bool CWallet::IsLockedCoin(uint256 hash, unsigned int n) const
-{
-    AssertLockHeld(cs_wallet); // setLockedCoins
-    COutPoint outpt(hash, n);
-
-    return (setLockedCoins.count(outpt) > 0);
-}
-
-void CWallet::ListLockedCoins(std::vector<COutPoint>& vOutpts)
-{
-    AssertLockHeld(cs_wallet); // setLockedCoins
-    for (std::set<COutPoint>::iterator it = setLockedCoins.begin();
-         it != setLockedCoins.end(); it++) {
-        COutPoint outpt = (*it);
-        vOutpts.push_back(outpt);
-    }
-}
-
-/** @} */ // end of Actions
-
-class CAffectedKeysVisitor : public boost::static_visitor<void> {
-private:
-    const CKeyStore &keystore;
-    std::vector<CKeyID> &vKeys;
-
-public:
-    CAffectedKeysVisitor(const CKeyStore &keystoreIn, std::vector<CKeyID> &vKeysIn) : keystore(keystoreIn), vKeys(vKeysIn) {}
-
-    void Process(const CScript &script) {
-        txnouttype type;
-        std::vector<CTxDestination> vDest;
-        int nRequired;
-        if (ExtractDestinations(script, type, vDest, nRequired)) {
-            BOOST_FOREACH(const CTxDestination &dest, vDest)
-                boost::apply_visitor(*this, dest);
-        }
-    }
-
-    void operator()(const CKeyID &keyId) {
-        if (keystore.HaveKey(keyId))
-            vKeys.push_back(keyId);
-    }
-
-    void operator()(const CScriptID &scriptId) {
-        CScript script;
-        if (keystore.GetCScript(scriptId, script))
-            Process(script);
-    }
-
-    void operator()(const CNoDestination &none) {}
-};
-
-void CWallet::GetKeyBirthTimes(std::map<CKeyID, int64_t> &mapKeyBirth) const {
-    AssertLockHeld(cs_wallet); // mapKeyMetadata
-    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 = chainActive[std::max(0, chainActive.Height() - 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;
-        BlockMap::const_iterator blit = mapBlockIndex.find(wtx.hashBlock);
-        if (blit != mapBlockIndex.end() && chainActive.Contains(blit->second)) {
-            // ... which are already in a block
-            int nHeight = blit->second->nHeight;
-            BOOST_FOREACH(const CTxOut &txout, wtx.vout) {
-                // iterate over all their outputs
-                CAffectedKeysVisitor(*this, vAffected).Process(txout.scriptPubKey);
-                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->GetBlockTime() - 7200; // block times can be 2h off
-}
-
-bool CWallet::AddDestData(const CTxDestination &dest, const std::string &key, const std::string &value)
-{
-    if (boost::get<CNoDestination>(&dest))
-        return false;
-
-    mapAddressBook[dest].destdata.insert(std::make_pair(key, value));
-    if (!fFileBacked)
-        return true;
-    return CWalletDB(strWalletFile).WriteDestData(CBitcoinAddress(dest).ToString(), key, value);
-}
-
-bool CWallet::EraseDestData(const CTxDestination &dest, const std::string &key)
-{
-    if (!mapAddressBook[dest].destdata.erase(key))
-        return false;
-    if (!fFileBacked)
-        return true;
-    return CWalletDB(strWalletFile).EraseDestData(CBitcoinAddress(dest).ToString(), key);
-}
-
-bool CWallet::LoadDestData(const CTxDestination &dest, const std::string &key, const std::string &value)
-{
-    mapAddressBook[dest].destdata.insert(std::make_pair(key, value));
-    return true;
-}
-
-bool CWallet::GetDestData(const CTxDestination &dest, const std::string &key, std::string *value) const
-{
-    std::map<CTxDestination, CAddressBookData>::const_iterator i = mapAddressBook.find(dest);
-    if(i != mapAddressBook.end())
-    {
-        CAddressBookData::StringMap::const_iterator j = i->second.destdata.find(key);
-        if(j != i->second.destdata.end())
-        {
-            if(value)
-                *value = j->second;
-            return true;
-        }
-    }
-    return false;
-}
-
-CKeyPool::CKeyPool()
-{
-    nTime = GetTime();
-}
-
-CKeyPool::CKeyPool(const CPubKey& vchPubKeyIn)
-{
-    nTime = GetTime();
-    vchPubKey = vchPubKeyIn;
-}
-
-CWalletKey::CWalletKey(int64_t nExpires)
-{
-    nTimeCreated = (nExpires ? GetTime() : 0);
-    nTimeExpires = nExpires;
-}
-
-int CMerkleTx::SetMerkleBranch(const CBlock& block)
-{
-    AssertLockHeld(cs_main);
-    CBlock blockTmp;
-
-    // Update the tx's hashBlock
-    hashBlock = block.GetHash();
-
-    // Locate the transaction
-    for (nIndex = 0; nIndex < (int)block.vtx.size(); nIndex++)
-        if (block.vtx[nIndex] == *(CTransaction*)this)
-            break;
-    if (nIndex == (int)block.vtx.size())
-    {
-        vMerkleBranch.clear();
-        nIndex = -1;
-        LogPrintf("ERROR: SetMerkleBranch(): couldn't find tx in block\n");
-        return 0;
-    }
-
-    // Fill in merkle branch
-    vMerkleBranch = block.GetMerkleBranch(nIndex);
-
-    // Is the tx in a block that's in the main chain
-    BlockMap::iterator mi = mapBlockIndex.find(hashBlock);
-    if (mi == mapBlockIndex.end())
-        return 0;
-    const CBlockIndex* pindex = (*mi).second;
-    if (!pindex || !chainActive.Contains(pindex))
-        return 0;
-
-    return chainActive.Height() - pindex->nHeight + 1;
-}
-
-int CMerkleTx::GetDepthInMainChainINTERNAL(const CBlockIndex* &pindexRet) const
-{
-    if (hashBlock.IsNull() || nIndex == -1)
-        return 0;
-    AssertLockHeld(cs_main);
-
-    // Find the block it claims to be in
-    BlockMap::iterator mi = mapBlockIndex.find(hashBlock);
-    if (mi == mapBlockIndex.end())
-        return 0;
-    CBlockIndex* pindex = (*mi).second;
-    if (!pindex || !chainActive.Contains(pindex))
-        return 0;
-
-    // Make sure the merkle branch connects to this block
-    if (!fMerkleVerified)
-    {
-        if (CBlock::CheckMerkleBranch(GetHash(), vMerkleBranch, nIndex) != pindex->hashMerkleRoot)
-            return 0;
-        fMerkleVerified = true;
-    }
-
-    pindexRet = pindex;
-    return chainActive.Height() - pindex->nHeight + 1;
-}
-
-int CMerkleTx::GetDepthInMainChain(const CBlockIndex* &pindexRet) const
-{
-    AssertLockHeld(cs_main);
-    int nResult = GetDepthInMainChainINTERNAL(pindexRet);
-    if (nResult == 0 && !mempool.exists(GetHash()))
-        return -1; // Not in chain, not in mempool
-
-    return nResult;
-}
-
-int CMerkleTx::GetBlocksToMaturity() const
-{
-    if (!IsCoinBase())
-        return 0;
-    return max(0, (COINBASE_MATURITY+1) - GetDepthInMainChain());
-}
-
-
-bool CMerkleTx::AcceptToMemoryPool(bool fLimitFree, bool fRejectAbsurdFee)
-{
-    CValidationState state;
-    return ::AcceptToMemoryPool(mempool, state, *this, fLimitFree, NULL, fRejectAbsurdFee);
-}
-