-// Copyright (c) 2009-2011 Satoshi Nakamoto & Bitcoin developers
+// Copyright (c) 2009-2010 Satoshi Nakamoto
+// Copyright (c) 2009-2012 The Bitcoin developers
+// Copyright (c) 2011-2012 The PPCoin developers
// Distributed under the MIT/X11 software license, see the accompanying
-// file 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 "main.h"
+#include "key.h"
+#include "keystore.h"
#include "script.h"
+extern bool fWalletUnlockStakeOnly;
+
class CWalletTx;
class CReserveKey;
class CWalletDB;
-extern std::map<uint256, CWalletTx> mapWallet;
-extern std::vector<uint256> vWalletUpdated;
-extern CCriticalSection cs_mapWallet;
-
-extern std::map<uint256, int> mapRequestCount;
-extern CCriticalSection cs_mapRequestCount;
-
-extern std::map<std::string, std::string> mapAddressBook;
-extern CCriticalSection cs_mapAddressBook;
-
-extern std::vector<unsigned char> vchDefaultKey;
-extern CKey keyUser;
-
-bool AddToWallet(const CWalletTx& wtxIn);
-bool AddToWalletIfInvolvingMe(const CTransaction& tx, const CBlock* pblock, bool fUpdate = false);
-bool EraseFromWallet(uint256 hash);
-void WalletUpdateSpent(const COutPoint& prevout);
-int ScanForWalletTransactions(CBlockIndex* pindexStart, bool fUpdate = false);
-void ReacceptWalletTransactions();
-void ResendWalletTransactions();
-int64 GetBalance();
-bool CreateTransaction(const std::vector<std::pair<CScript, int64> >& vecSend, CWalletTx& wtxNew, CReserveKey& reservekey, int64& nFeeRet);
-bool CreateTransaction(CScript scriptPubKey, int64 nValue, CWalletTx& wtxNew, CReserveKey& reservekey, int64& nFeeRet);
-bool CommitTransaction(CWalletTx& wtxNew, CReserveKey& reservekey);
-bool BroadcastTransaction(CWalletTx& wtxNew);
-std::string SendMoney(CScript scriptPubKey, int64 nValue, CWalletTx& wtxNew, bool fAskFee=false);
-std::string SendMoneyToBitcoinAddress(std::string strAddress, int64 nValue, CWalletTx& wtxNew, bool fAskFee=false);
-
-
-
-//
-// 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.
-//
+/** (client) version numbers for particular wallet features */
+enum WalletFeature
+{
+ FEATURE_BASE = 10500, // the earliest version new wallets supports (only useful for getinfo's clientversion output)
+
+ FEATURE_WALLETCRYPT = 40000, // wallet encryption
+ FEATURE_COMPRPUBKEY = 60000, // compressed public keys
+
+ FEATURE_LATEST = 60000
+};
+
+
+/** A key pool entry */
+class CKeyPool
+{
+public:
+ int64 nTime;
+ std::vector<unsigned char> vchPubKey;
+
+ CKeyPool()
+ {
+ nTime = GetTime();
+ }
+
+ CKeyPool(const std::vector<unsigned char>& vchPubKeyIn)
+ {
+ nTime = GetTime();
+ vchPubKey = vchPubKeyIn;
+ }
+
+ 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,
+ * and provides the ability to create new transactions.
+ */
+class CWallet : public CCryptoKeyStore
+{
+private:
+ bool SelectCoinsMinConf(int64 nTargetValue, unsigned int nSpendTime, int nConfMine, int nConfTheirs, std::set<std::pair<const CWalletTx*,unsigned int> >& setCoinsRet, int64& nValueRet) const;
+ bool SelectCoins(int64 nTargetValue, unsigned int nSpendTime, std::set<std::pair<const CWalletTx*,unsigned int> >& setCoinsRet, int64& nValueRet) const;
+
+ CWalletDB *pwalletdbEncryption;
+
+ // 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
+ int nWalletMaxVersion;
+
+public:
+ mutable CCriticalSection cs_wallet;
+
+ bool fFileBacked;
+ std::string strWalletFile;
+
+ std::set<int64> setKeyPool;
+
+
+ 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;
+ }
+
+ std::map<uint256, CWalletTx> mapWallet;
+ std::vector<uint256> vWalletUpdated;
+
+ std::map<uint256, int> mapRequestCount;
+
+ std::map<CBitcoinAddress, std::string> mapAddressBook;
+
+ std::vector<unsigned char> vchDefaultKey;
+
+ // check whether we are allowed to upgrade (or already support) to the named feature
+ bool CanSupportFeature(enum WalletFeature wf) { return nWalletMaxVersion >= wf; }
+
+ // keystore implementation
+ // Generate a new key
+ std::vector<unsigned char> GenerateNewKey();
+ // Adds a key to the store, and saves it to disk.
+ bool AddKey(const CKey& key);
+ // Adds a key to the store, without saving it to disk (used by LoadWallet)
+ bool LoadKey(const CKey& key) { return CCryptoKeyStore::AddKey(key); }
+
+ bool LoadMinVersion(int nVersion) { nWalletVersion = nVersion; nWalletMaxVersion = std::max(nWalletMaxVersion, nVersion); return true; }
+
+ // Adds an encrypted key to the store, and saves it to disk.
+ bool AddCryptedKey(const std::vector<unsigned char> &vchPubKey, const std::vector<unsigned char> &vchCryptedSecret);
+ // 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 AddCScript(const CScript& redeemScript);
+ bool LoadCScript(const CScript& redeemScript) { return CCryptoKeyStore::AddCScript(redeemScript); }
+
+ bool Unlock(const SecureString& strWalletPassphrase);
+ bool ChangeWalletPassphrase(const SecureString& strOldWalletPassphrase, const SecureString& strNewWalletPassphrase);
+ bool EncryptWallet(const SecureString& strWalletPassphrase);
+
+ void MarkDirty();
+ bool AddToWallet(const CWalletTx& wtxIn);
+ bool AddToWalletIfInvolvingMe(const CTransaction& tx, const CBlock* pblock, bool fUpdate = false, bool fFindBlock = false);
+ bool EraseFromWallet(uint256 hash);
+ void WalletUpdateSpent(const CTransaction& prevout);
+ int ScanForWalletTransactions(CBlockIndex* pindexStart, bool fUpdate = false);
+ int ScanForWalletTransaction(const uint256& hashTx);
+ void ReacceptWalletTransactions();
+ void ResendWalletTransactions();
+ int64 GetBalance() const;
+ int64 GetUnconfirmedBalance() const;
+ int64 GetStake() const;
+ int64 GetNewMint() const;
+ bool CreateTransaction(const std::vector<std::pair<CScript, int64> >& vecSend, CWalletTx& wtxNew, CReserveKey& reservekey, int64& nFeeRet);
+ bool CreateTransaction(CScript scriptPubKey, int64 nValue, CWalletTx& wtxNew, CReserveKey& reservekey, int64& nFeeRet);
+ bool CreateCoinStake(unsigned int nBits, CTransaction& txNew);
+ 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);
+
+ int LoadWallet(bool& fFirstRunRet);
+
+ bool SetAddressBookName(const CBitcoinAddress& address, const std::string& strName);
+
+ bool DelAddressBookName(const CBitcoinAddress& address);
+
+ void UpdatedTransaction(const uint256 &hashTx)
+ {
+ {
+ LOCK(cs_wallet);
+ vWalletUpdated.push_back(hashTx);
+ }
+ }
+
+ void PrintWallet(const CBlock& block);
+
+ void Inventory(const uint256 &hash)
+ {
+ {
+ LOCK(cs_wallet);
+ std::map<uint256, int>::iterator mi = mapRequestCount.find(hash);
+ if (mi != mapRequestCount.end())
+ (*mi).second++;
+ }
+ }
+
+ int GetKeyPoolSize()
+ {
+ return setKeyPool.size();
+ }
+
+ bool GetTransaction(const uint256 &hashTx, CWalletTx& wtx);
+
+ bool SetDefaultKey(const std::vector<unsigned char> &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);
+
+ // change which version we're allowed to upgrade to (note that this does not immediately imply upgrading to that format)
+ bool SetMaxVersion(int nVersion);
+
+ // get the current wallet format (the oldest client version guaranteed to understand this wallet)
+ int GetVersion() { return nWalletVersion; }
+
+ bool CheckSpentCoins(int& nMismatchSpent, int64& nBalanceInQuestion);
+ void FixSpentCoins(int& nMismatchSpent, int64& nBalanceInQuestion);
+ void DisableTransaction(const CTransaction &tx);
+};
+
+/** A key allocated from the key pool. */
+class CReserveKey
+{
+protected:
+ CWallet* pwallet;
+ int64 nIndex;
+ std::vector<unsigned char> vchPubKey;
+public:
+ CReserveKey(CWallet* pwalletIn)
+ {
+ nIndex = -1;
+ pwallet = pwalletIn;
+ }
+
+ ~CReserveKey()
+ {
+ if (!fShutdown)
+ ReturnKey();
+ }
+
+ void ReturnKey();
+ std::vector<unsigned char> GetReservedKey();
+ void KeepKey();
+};
+
+
+/** 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
{
+private:
+ const CWallet* pwallet;
+
public:
std::vector<CMerkleTx> vtxPrev;
std::map<std::string, std::string> mapValue;
unsigned int nTimeReceived; // time received by this node
char fFromMe;
std::string strFromAccount;
- std::vector<char> vfSpent;
+ std::vector<char> vfSpent; // which outputs are already spent
// memory only
- mutable char fDebitCached;
- mutable char fCreditCached;
- mutable char fAvailableCreditCached;
- mutable char fChangeCached;
+ mutable bool fDebitCached;
+ mutable bool fCreditCached;
+ mutable bool fAvailableCreditCached;
+ mutable bool 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();
+ Init(NULL);
}
- CWalletTx(const CMerkleTx& txIn) : CMerkleTx(txIn)
+ CWalletTx(const CWallet* pwalletIn)
{
- Init();
+ Init(pwalletIn);
}
- CWalletTx(const CTransaction& txIn) : CMerkleTx(txIn)
+ CWalletTx(const CWallet* pwalletIn, const CMerkleTx& txIn) : CMerkleTx(txIn)
{
- Init();
+ Init(pwalletIn);
}
- void Init()
+ CWalletTx(const CWallet* pwalletIn, const CTransaction& txIn) : CMerkleTx(txIn)
{
+ Init(pwalletIn);
+ }
+
+ void Init(const CWallet* pwalletIn)
+ {
+ pwallet = pwalletIn;
vtxPrev.clear();
mapValue.clear();
vOrderForm.clear();
nCreditCached = 0;
nAvailableCreditCached = 0;
nChangeCached = 0;
- nTimeDisplayed = 0;
- nLinesDisplayed = 0;
- fConfirmedDisplayed = false;
}
IMPLEMENT_SERIALIZE
(
CWalletTx* pthis = const_cast<CWalletTx*>(this);
if (fRead)
- pthis->Init();
+ pthis->Init(NULL);
char fSpent = false;
if (!fRead)
bool UpdateSpent(const std::vector<char>& vfNewSpent)
{
bool fReturn = false;
- for (int i=0; i < vfNewSpent.size(); i++)
+ for (unsigned int i = 0; i < vfNewSpent.size(); i++)
{
if (i == vfSpent.size())
break;
return fReturn;
}
+ // make sure balances are recalculated
void MarkDirty()
{
fCreditCached = false;
fChangeCached = false;
}
+ void BindWallet(CWallet *pwalletIn)
+ {
+ pwallet = pwalletIn;
+ MarkDirty();
+ }
+
void MarkSpent(unsigned int nOut)
{
if (nOut >= vout.size())
}
}
+ void MarkUnspent(unsigned int nOut)
+ {
+ if (nOut >= vout.size())
+ throw std::runtime_error("CWalletTx::MarkUnspent() : nOut out of range");
+ vfSpent.resize(vout.size());
+ if (vfSpent[nOut])
+ {
+ vfSpent[nOut] = false;
+ fAvailableCreditCached = false;
+ }
+ }
+
bool IsSpent(unsigned int nOut) const
{
if (nOut >= vout.size())
return 0;
if (fDebitCached)
return nDebitCached;
- nDebitCached = CTransaction::GetDebit();
+ 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)
+ if ((IsCoinBase() || IsCoinStake()) && GetBlocksToMaturity() > 0)
return 0;
// GetBalance can assume transactions in mapWallet won't change
if (fUseCache && fCreditCached)
return nCreditCached;
- nCreditCached = CTransaction::GetCredit();
+ 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)
+ if ((IsCoinBase() || IsCoinStake()) && GetBlocksToMaturity() > 0)
return 0;
if (fUseCache && fAvailableCreditCached)
return nAvailableCreditCached;
int64 nCredit = 0;
- for (int i = 0; i < vout.size(); i++)
+ for (unsigned int i = 0; i < vout.size(); i++)
{
if (!IsSpent(i))
{
const CTxOut &txout = vout[i];
- nCredit += txout.GetCredit();
+ nCredit += pwallet->GetCredit(txout);
if (!MoneyRange(nCredit))
throw std::runtime_error("CWalletTx::GetAvailableCredit() : value out of range");
}
{
if (fChangeCached)
return nChangeCached;
- nChangeCached = CTransaction::GetChange();
+ nChangeCached = pwallet->GetChange(*this);
fChangeCached = true;
return nChangeCached;
}
- void GetAmounts(int64& nGeneratedImmature, int64& nGeneratedMature, std::list<std::pair<std::string /* address */, int64> >& listReceived,
- std::list<std::pair<std::string /* address */, int64> >& listSent, int64& nFee, std::string& strSentAccount) const;
+ 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,
+ void GetAccountAmounts(const std::string& strAccount, int64& nGenerated, int64& nReceived,
int64& nSent, int64& nFee) const;
bool IsFromMe() const
std::vector<const CMerkleTx*> vWorkQueue;
vWorkQueue.reserve(vtxPrev.size()+1);
vWorkQueue.push_back(this);
- for (int i = 0; i < vWorkQueue.size(); i++)
+ for (unsigned int i = 0; i < vWorkQueue.size(); i++)
{
const CMerkleTx* ptx = vWorkQueue[i];
return false;
if (ptx->GetDepthInMainChain() >= 1)
continue;
- if (!ptx->IsFromMe())
+ if (!pwallet->IsFromMe(*ptx))
return false;
if (mapPrev.empty())
+ {
BOOST_FOREACH(const CMerkleTx& tx, vtxPrev)
mapPrev[tx.GetHash()] = &tx;
+ }
BOOST_FOREACH(const CTxIn& txin, ptx->vin)
{
};
-//
-// Private key that includes an expiration date in case it never gets used.
-//
+/** Private key that includes an expiration date in case it never gets used. */
class CWalletKey
{
public:
-//
-// Account information.
-// Stored in wallet with key "acc"+string account name
-//
+/** Account information.
+ * Stored in wallet with key "acc"+string account name.
+ */
class CAccount
{
public:
-//
-// Internal transfers.
-// Database key is acentry<account><counter>
-//
+/** Internal transfers.
+ * Database key is acentry<account><counter>.
+ */
class CAccountingEntry
{
public:
)
};
+bool GetWalletFile(CWallet* pwallet, std::string &strWalletFileOut);
+
#endif
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