// 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 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 nTargetValue, int nConfMine, int nConfTheirs, std::set<std::pair<const CWalletTx*,unsigned int> >& setCoinsRet, int64& nValueRet) const;
- bool SelectCoins(int64 nTargetValue, std::set<std::pair<const CWalletTx*,unsigned int> >& setCoinsRet, int64& nValueRet) const;
+ bool 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;
CWallet()
{
- nWalletVersion = 0;
+ nWalletVersion = FEATURE_BASE;
+ nWalletMaxVersion = FEATURE_BASE;
fFileBacked = false;
nMasterKeyMaxID = 0;
pwalletdbEncryption = NULL;
}
CWallet(std::string strWalletFileIn)
{
- nWalletVersion = 0;
+ 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; return true; }
+ 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 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); }
void ResendWalletTransactions();
int64 GetBalance() const;
int64 GetUnconfirmedBalance() const;
+ int64 GetStake() const;
+ int64 GetNewMint() const;
bool CreateTransaction(const std::vector<std::pair<CScript, int64> >& vecSend, CWalletTx& wtxNew, CReserveKey& reservekey, int64& nFeeRet);
bool CreateTransaction(CScript scriptPubKey, int64 nValue, CWalletTx& wtxNew, CReserveKey& reservekey, int64& nFeeRet);
+ bool CreateCoinStake(const CKeyStore& keystore, unsigned int nBits, int64 nSearchInterval, CTransaction& txNew);
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);
}
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 SetDefaultKey(const std::vector<unsigned char> &vchPubKey);
- bool SetMinVersion(int nVersion, CWalletDB* pwalletdbIn = NULL);
-};
+ // 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:
};
-//
-// 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 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(NULL);
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())
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
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))
{
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)
{
};
-//
-// 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:
git://git.novaco.in / novacoin.git / blobdiff