X-Git-Url: https://git.novaco.in/?a=blobdiff_plain;f=src%2Fwallet.h;h=5672c6069dd940a05e5379075902c75f14fa3fd5;hb=0c3aa881e2ac7a6142fcfcbb9b7d2824532fe522;hp=cc1dde5b0f3ac5821dd5437c6bb100c9c343ad8b;hpb=b90c9ecb132ad686275afafe506f8044719245ec;p=novacoin.git diff --git a/src/wallet.h b/src/wallet.h index cc1dde5..5672c60 100644 --- a/src/wallet.h +++ b/src/wallet.h @@ -1,5 +1,5 @@ // Copyright (c) 2009-2010 Satoshi Nakamoto -// Copyright (c) 2011 The Bitcoin developers +// Copyright (c) 2009-2012 The Bitcoin developers // Distributed under the MIT/X11 software license, see the accompanying // file license.txt or http://www.opensource.org/licenses/mit-license.php. #ifndef BITCOIN_WALLET_H @@ -7,12 +7,27 @@ #include "bignum.h" #include "key.h" +#include "keystore.h" #include "script.h" 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 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: @@ -20,14 +35,21 @@ private: bool SelectCoins(int64 nTargetValue, std::set >& setCoinsRet, int64& nValueRet) const; CWalletDB *pwalletdbEncryption; - CCriticalSection cs_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 setKeyPool; - CCriticalSection cs_setKeyPool; + typedef std::map MasterKeyMap; MasterKeyMap mapMasterKeys; @@ -35,45 +57,62 @@ public: 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; } - mutable CCriticalSection cs_mapWallet; std::map mapWallet; std::vector vWalletUpdated; std::map mapRequestCount; - mutable CCriticalSection cs_mapRequestCount; std::map mapAddressBook; - mutable CCriticalSection cs_mapAddressBook; 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; @@ -81,16 +120,18 @@ public: 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 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); - std::vector GetOrReuseKeyFromPool(); + 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; @@ -104,15 +145,7 @@ 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_mapAddressBook) - if (!mapAddressBook.count(address)) - return true; - return false; - } + bool IsChange(const CTxOut& txout) const; int64 GetChange(const CTxOut& txout) const { if (!MoneyRange(txout.nValue)) @@ -172,15 +205,13 @@ public: int LoadWallet(bool& fFirstRunRet); // bool BackupWallet(const std::string& strDest); - // requires cs_mapAddressBook lock bool SetAddressBookName(const CBitcoinAddress& address, const std::string& strName); - // requires cs_mapAddressBook lock bool DelAddressBookName(const CBitcoinAddress& address); void UpdatedTransaction(const uint256 &hashTx) { - CRITICAL_BLOCK(cs_mapWallet) + CRITICAL_BLOCK(cs_wallet) vWalletUpdated.push_back(hashTx); } @@ -188,7 +219,7 @@ public: void Inventory(const uint256 &hash) { - CRITICAL_BLOCK(cs_mapRequestCount) + CRITICAL_BLOCK(cs_wallet) { std::map::iterator mi = mapRequestCount.find(hash); if (mi != mapRequestCount.end()) @@ -204,9 +235,18 @@ 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; } +}; + +/** A key allocated from the key pool. */ class CReserveKey { protected: @@ -232,16 +272,15 @@ 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; @@ -249,7 +288,7 @@ 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; @@ -361,7 +400,7 @@ 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; @@ -376,6 +415,7 @@ public: return fReturn; } + // make sure balances are recalculated void MarkDirty() { fCreditCached = false; @@ -384,6 +424,12 @@ public: fChangeCached = false; } + void BindWallet(CWallet *pwalletIn) + { + pwallet = pwalletIn; + MarkDirty(); + } + void MarkSpent(unsigned int nOut) { if (nOut >= vout.size()) @@ -440,7 +486,7 @@ public: 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)) { @@ -493,7 +539,7 @@ 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]; @@ -505,8 +551,10 @@ public: return false; if (mapPrev.empty()) + { BOOST_FOREACH(const CMerkleTx& tx, vtxPrev) mapPrev[tx.GetHash()] = &tx; + } BOOST_FOREACH(const CTxIn& txin, ptx->vin) { @@ -533,9 +581,7 @@ 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: @@ -568,10 +614,9 @@ 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: @@ -597,10 +642,9 @@ public: -// -// Internal transfers. -// Database key is acentry -// +/** Internal transfers. + * Database key is acentry. + */ class CAccountingEntry { public: