X-Git-Url: https://git.novaco.in/?a=blobdiff_plain;f=src%2Fwallet.h;h=d3c25f98b4d75ced5384d53627265169291c717b;hb=0561bbd1c69263dceb24ffacf850788e6e961a13;hp=1dd2e51260245e5f44ab7906f0b2789e19adae37;hpb=7db3b75b3e38c2088596f49cb51fe1c9c7e8b433;p=novacoin.git diff --git a/src/wallet.h b/src/wallet.h index 1dd2e51..d3c25f9 100644 --- a/src/wallet.h +++ b/src/wallet.h @@ -1,26 +1,78 @@ // 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 "bignum.h" +#include "main.h" #include "key.h" +#include "keystore.h" #include "script.h" +extern bool fWalletUnlockStakeOnly; + class CWalletTx; class CReserveKey; class CWalletDB; +/** (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 vchPubKey; + + CKeyPool() + { + nTime = GetTime(); + } + + CKeyPool(const std::vector& 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 >& setCoinsRet, int64& nValueRet) const; - bool SelectCoins(int64 nTargetValue, std::set >& setCoinsRet, int64& nValueRet) const; + bool SelectCoinsMinConf(int64 nTargetValue, unsigned int nSpendTime, int nConfMine, int nConfTheirs, std::set >& setCoinsRet, int64& nValueRet) const; + bool SelectCoins(int64 nTargetValue, unsigned int nSpendTime, std::set >& 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; @@ -29,18 +81,23 @@ public: std::set setKeyPool; + typedef std::map 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; @@ -56,37 +113,59 @@ public: std::vector 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 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 &vchPubKey, const std::vector &vchCryptedSecret); - bool LoadCryptedKey(const std::vector &vchPubKey, const std::vector &vchCryptedSecret) { return CCryptoKeyStore::AddCryptedKey(vchPubKey, vchCryptedSecret); } + // Adds an encrypted key to the store, without saving it to disk (used by LoadWallet) + bool LoadCryptedKey(const std::vector &vchPubKey, const std::vector &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 std::string& strWalletPassphrase); - bool ChangeWalletPassphrase(const std::string& strOldWalletPassphrase, const std::string& strNewWalletPassphrase); - bool EncryptWallet(const std::string& strWalletPassphrase); + 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 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 >& 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); - bool BroadcastTransaction(CWalletTx& wtxNew); 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 &key, bool fAllowReuse=true); int64 GetOldestKeyPoolTime(); + void GetAllReserveAddresses(std::set& setAddress); bool IsMine(const CTxIn& txin) const; int64 GetDebit(const CTxIn& txin) const; @@ -100,15 +179,7 @@ public: throw std::runtime_error("CWallet::GetCredit() : value out of range"); return (IsMine(txout) ? txout.nValue : 0); } - bool IsChange(const CTxOut& txout) const - { - CBitcoinAddress address; - if (ExtractAddress(txout.scriptPubKey, this, address)) - CRITICAL_BLOCK(cs_wallet) - if (!mapAddressBook.count(address)) - return true; - return false; - } + bool IsChange(const CTxOut& txout) const; int64 GetChange(const CTxOut& txout) const { if (!MoneyRange(txout.nValue)) @@ -159,14 +230,9 @@ public: } 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); @@ -174,16 +240,18 @@ public: 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::iterator mi = mapRequestCount.find(hash); if (mi != mapRequestCount.end()) (*mi).second++; @@ -198,9 +266,22 @@ public: bool GetTransaction(const uint256 &hashTx, CWalletTx& wtx); bool SetDefaultKey(const std::vector &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: @@ -226,16 +307,15 @@ public: }; -// -// 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 { -public: +private: const CWallet* pwallet; +public: std::vector vtxPrev; std::map mapValue; std::vector > vOrderForm; @@ -243,23 +323,18 @@ public: unsigned int nTimeReceived; // time received by this node char fFromMe; std::string strFromAccount; - std::vector vfSpent; + std::vector 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); @@ -299,9 +374,6 @@ public: nCreditCached = 0; nAvailableCreditCached = 0; nChangeCached = 0; - nTimeDisplayed = 0; - nLinesDisplayed = 0; - fConfirmedDisplayed = false; } IMPLEMENT_SERIALIZE @@ -355,7 +427,7 @@ public: bool UpdateSpent(const std::vector& 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; @@ -370,6 +442,7 @@ public: return fReturn; } + // make sure balances are recalculated void MarkDirty() { fCreditCached = false; @@ -378,6 +451,12 @@ public: fChangeCached = false; } + void BindWallet(CWallet *pwalletIn) + { + pwallet = pwalletIn; + MarkDirty(); + } + void MarkSpent(unsigned int nOut) { if (nOut >= vout.size()) @@ -390,6 +469,18 @@ public: } } + 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()) @@ -413,7 +504,7 @@ public: 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 @@ -427,14 +518,14 @@ public: 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)) { @@ -487,7 +578,7 @@ public: std::vector 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]; @@ -499,8 +590,10 @@ public: return false; if (mapPrev.empty()) + { BOOST_FOREACH(const CMerkleTx& tx, vtxPrev) mapPrev[tx.GetHash()] = &tx; + } BOOST_FOREACH(const CTxIn& txin, ptx->vin) { @@ -527,9 +620,7 @@ public: }; -// -// 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: @@ -562,10 +653,9 @@ 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: @@ -591,10 +681,9 @@ public: -// -// Internal transfers. -// Database key is acentry -// +/** Internal transfers. + * Database key is acentry. + */ class CAccountingEntry { public: