// Copyright (c) 2009-2010 Satoshi Nakamoto
-// Copyright (c) 2011 The Bitcoin developers
+// 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 <stdint.h>
-
-#include "bignum.h"
+#include "main.h"
#include "key.h"
#include "keystore.h"
#include "script.h"
+extern bool fWalletUnlockMintOnly;
+
class CWalletTx;
class CReserveKey;
class CWalletDB;
-// 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
+/** (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_t nTargetValue, int nConfMine, int nConfTheirs, std::set<std::pair<const CWalletTx*,unsigned int> >& setCoinsRet, int64_t& nValueRet) const;
- bool SelectCoins(int64_t nTargetValue, std::set<std::pair<const CWalletTx*,unsigned int> >& setCoinsRet, int64_t& nValueRet) const;
+ 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_t> setKeyPool;
+ std::set<int64> setKeyPool;
+
typedef std::map<unsigned int, CMasterKey> MasterKeyMap;
MasterKeyMap mapMasterKeys;
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;
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(bool bCompressed);
// 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) { return CCryptoKeyStore::AddCryptedKey(vchPubKey, vchCryptedSecret); }
- bool AddCScript(const uint160& hash, const CScript& redeemScript);
- bool LoadCScript(const uint160& hash, const CScript& redeemScript) { return CCryptoKeyStore::AddCScript(hash, redeemScript); }
+ 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);
int ScanForWalletTransaction(const uint256& hashTx);
void ReacceptWalletTransactions();
void ResendWalletTransactions();
- int64_t GetBalance() const;
- int64_t GetUnconfirmedBalance() const;
- bool CreateTransaction(const std::vector<std::pair<CScript, int64_t> >& vecSend, CWalletTx& wtxNew, CReserveKey& reservekey, int64_t& nFeeRet);
- bool CreateTransaction(CScript scriptPubKey, int64_t nValue, CWalletTx& wtxNew, CReserveKey& reservekey, int64_t& nFeeRet);
+ int64 GetBalance() const;
+ int64 GetUnconfirmedBalance() const;
+ int64 GetStake() const;
+ int64 GetNewMint() const;
+ bool CreateTransaction(const std::vector<std::pair<CScript, int64> >& vecSend, CWalletTx& wtxNew, CReserveKey& reservekey, int64& nFeeRet);
+ bool CreateTransaction(CScript scriptPubKey, int64 nValue, CWalletTx& wtxNew, CReserveKey& reservekey, int64& nFeeRet);
+ bool CreateCoinStake(const CKeyStore& keystore, unsigned int nBits, int64 nSearchInterval, CTransaction& txNew);
bool CommitTransaction(CWalletTx& wtxNew, CReserveKey& reservekey);
- bool BroadcastTransaction(CWalletTx& wtxNew);
- std::string SendMoney(CScript scriptPubKey, int64_t nValue, CWalletTx& wtxNew, bool fAskFee=false);
- std::string SendMoneyToBitcoinAddress(const CBitcoinAddress& address, int64_t nValue, CWalletTx& wtxNew, bool fAskFee=false);
+ 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_t AddReserveKey(const CKeyPool& keypool);
- void ReserveKeyFromKeyPool(int64_t& nIndex, CKeyPool& keypool);
- void KeepKey(int64_t nIndex);
- void ReturnKey(int64_t nIndex);
+ 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_t GetOldestKeyPoolTime();
+ int64 GetOldestKeyPoolTime();
void GetAllReserveAddresses(std::set<CBitcoinAddress>& setAddress);
bool IsMine(const CTxIn& txin) const;
- int64_t GetDebit(const CTxIn& txin) const;
+ int64 GetDebit(const CTxIn& txin) const;
bool IsMine(const CTxOut& txout) const
{
return ::IsMine(*this, txout.scriptPubKey);
}
- int64_t GetCredit(const CTxOut& txout) const
+ 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_t GetChange(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 (GetDebit(tx) > 0);
}
- int64_t GetDebit(const CTransaction& tx) const
+ int64 GetDebit(const CTransaction& tx) const
{
- int64_t nDebit = 0;
+ int64 nDebit = 0;
BOOST_FOREACH(const CTxIn& txin, tx.vin)
{
nDebit += GetDebit(txin);
}
return nDebit;
}
- int64_t GetCredit(const CTransaction& tx) const
+ int64 GetCredit(const CTransaction& tx) const
{
- int64_t nCredit = 0;
+ int64 nCredit = 0;
BOOST_FOREACH(const CTxOut& txout, tx.vout)
{
nCredit += GetCredit(txout);
}
return nCredit;
}
- int64_t GetChange(const CTransaction& tx) const
+ int64 GetChange(const CTransaction& tx) const
{
- int64_t nChange = 0;
+ int64 nChange = 0;
BOOST_FOREACH(const CTxOut& txout, tx.vout)
{
nChange += GetChange(txout);
}
return nChange;
}
- void SetBestChain(const CBlockLocator& loc)
- {
- CWalletDB walletdb(strWalletFile);
- walletdb.WriteBestBlock(loc);
- }
+ void SetBestChain(const CBlockLocator& loc);
int LoadWallet(bool& fFirstRunRet);
-// bool BackupWallet(const std::string& strDest);
bool SetAddressBookName(const CBitcoinAddress& address, const std::string& strName);
void UpdatedTransaction(const uint256 &hashTx)
{
- CRITICAL_BLOCK(cs_wallet)
+ {
+ LOCK(cs_wallet);
vWalletUpdated.push_back(hashTx);
+ }
}
void PrintWallet(const CBlock& block);
void Inventory(const uint256 &hash)
{
- CRITICAL_BLOCK(cs_wallet)
{
+ LOCK(cs_wallet);
std::map<uint256, int>::iterator mi = mapRequestCount.find(hash);
if (mi != mapRequestCount.end())
(*mi).second++;
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; }
+ void FixSpentCoins(int& nMismatchSpent, int64& nBalanceInQuestion, bool fCheckOnly = false);
+ void DisableTransaction(const CTransaction &tx);
+};
+
+/** A key allocated from the key pool. */
class CReserveKey
{
protected:
CWallet* pwallet;
- int64_t nIndex;
+ int64 nIndex;
std::vector<unsigned char> vchPubKey;
public:
CReserveKey(CWallet* pwalletIn)
};
-//
-// 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.
-//
+/** 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:
std::vector<char> vfSpent; // which outputs are already spent
// memory only
- mutable char fDebitCached;
- mutable char fCreditCached;
- mutable char fAvailableCreditCached;
- mutable char fChangeCached;
- mutable int64_t nDebitCached;
- mutable int64_t nCreditCached;
- mutable int64_t nAvailableCreditCached;
- mutable int64_t nChangeCached;
-
- // memory only UI hints
- mutable unsigned int nTimeDisplayed;
- mutable int nLinesDisplayed;
- mutable char fConfirmedDisplayed;
+ mutable bool fDebitCached;
+ mutable bool fCreditCached;
+ mutable bool fAvailableCreditCached;
+ mutable bool fChangeCached;
+ mutable int64 nDebitCached;
+ mutable int64 nCreditCached;
+ mutable int64 nAvailableCreditCached;
+ mutable int64 nChangeCached;
CWalletTx()
{
nCreditCached = 0;
nAvailableCreditCached = 0;
nChangeCached = 0;
- nTimeDisplayed = 0;
- nLinesDisplayed = 0;
- fConfirmedDisplayed = false;
}
IMPLEMENT_SERIALIZE
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;
}
}
+ 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 (!!vfSpent[nOut]);
}
- int64_t GetDebit() const
+ int64 GetDebit() const
{
if (vin.empty())
return 0;
return nDebitCached;
}
- int64_t GetCredit(bool fUseCache=true) const
+ 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
return nCreditCached;
}
- int64_t GetAvailableCredit(bool fUseCache=true) const
+ 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_t nCredit = 0;
- for (int i = 0; i < vout.size(); i++)
+ int64 nCredit = 0;
+ for (unsigned int i = 0; i < vout.size(); i++)
{
if (!IsSpent(i))
{
}
- int64_t GetChange() const
+ int64 GetChange() const
{
if (fChangeCached)
return nChangeCached;
return nChangeCached;
}
- void GetAmounts(int64_t& nGeneratedImmature, int64_t& nGeneratedMature, std::list<std::pair<CBitcoinAddress, int64_t> >& listReceived,
- std::list<std::pair<CBitcoinAddress, int64_t> >& listSent, int64_t& nFee, std::string& strSentAccount) const;
+ 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_t& nGenerated, int64_t& nReceived,
- int64_t& nSent, int64_t& nFee) const;
+ 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 (mapPrev.empty())
+ {
BOOST_FOREACH(const CMerkleTx& tx, vtxPrev)
mapPrev[tx.GetHash()] = &tx;
+ }
BOOST_FOREACH(const CTxIn& txin, ptx->vin)
{
bool WriteToDisk();
- int64_t GetTxTime() const;
+ int64 GetTxTime() const;
int GetRequestCount() const;
void AddSupportingTransactions(CTxDB& txdb);
};
-//
-// 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:
CPrivKey vchPrivKey;
- int64_t nTimeCreated;
- int64_t nTimeExpires;
+ int64 nTimeCreated;
+ int64 nTimeExpires;
std::string strComment;
//// todo: add something to note what created it (user, getnewaddress, change)
//// maybe should have a map<string, string> property map
- CWalletKey(int64_t nExpires=0)
+ CWalletKey(int64 nExpires=0)
{
nTimeCreated = (nExpires ? GetTime() : 0);
nTimeExpires = nExpires;
-//
-// 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:
std::string strAccount;
- int64_t nCreditDebit;
- int64_t nTime;
+ int64 nCreditDebit;
+ int64 nTime;
std::string strOtherAccount;
std::string strComment;