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update core to d0d80170a2 (CWallet class)
This commit is contained in:
Wladimir J. van der Laan
611
src/wallet.h
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611
src/wallet.h
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@@ -0,0 +1,611 @@
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// Copyright (c) 2009-2011 Satoshi Nakamoto & Bitcoin developers
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// Distributed under the MIT/X11 software license, see the accompanying
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// file license.txt or http://www.opensource.org/licenses/mit-license.php.
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#ifndef BITCOIN_WALLET_H
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#define BITCOIN_WALLET_H
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#include "bignum.h"
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#include "key.h"
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#include "script.h"
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class CWalletTx;
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class CReserveKey;
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class CWalletDB;
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class CWallet : public CKeyStore
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{
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private:
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bool SelectCoinsMinConf(int64 nTargetValue, int nConfMine, int nConfTheirs, std::set<std::pair<const CWalletTx*,unsigned int> >& setCoinsRet, int64& nValueRet) const;
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bool SelectCoins(int64 nTargetValue, std::set<std::pair<const CWalletTx*,unsigned int> >& setCoinsRet, int64& nValueRet) const;
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public:
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bool fFileBacked;
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std::string strWalletFile;
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std::set<int64> setKeyPool;
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CCriticalSection cs_setKeyPool;
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CWallet()
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{
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fFileBacked = false;
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}
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CWallet(std::string strWalletFileIn)
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{
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strWalletFile = strWalletFileIn;
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fFileBacked = true;
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}
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mutable CCriticalSection cs_mapWallet;
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std::map<uint256, CWalletTx> mapWallet;
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std::vector<uint256> vWalletUpdated;
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std::map<uint256, int> mapRequestCount;
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mutable CCriticalSection cs_mapRequestCount;
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std::map<std::string, std::string> mapAddressBook;
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mutable CCriticalSection cs_mapAddressBook;
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std::vector<unsigned char> vchDefaultKey;
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bool AddKey(const CKey& key);
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bool AddToWallet(const CWalletTx& wtxIn);
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bool AddToWalletIfInvolvingMe(const CTransaction& tx, const CBlock* pblock, bool fUpdate = false);
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bool EraseFromWallet(uint256 hash);
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void WalletUpdateSpent(const CTransaction& prevout);
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int ScanForWalletTransactions(CBlockIndex* pindexStart, bool fUpdate = false);
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void ReacceptWalletTransactions();
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void ResendWalletTransactions();
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int64 GetBalance() const;
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bool CreateTransaction(const std::vector<std::pair<CScript, int64> >& vecSend, CWalletTx& wtxNew, CReserveKey& reservekey, int64& nFeeRet);
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bool CreateTransaction(CScript scriptPubKey, int64 nValue, CWalletTx& wtxNew, CReserveKey& reservekey, int64& nFeeRet);
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bool CommitTransaction(CWalletTx& wtxNew, CReserveKey& reservekey);
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bool BroadcastTransaction(CWalletTx& wtxNew);
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std::string SendMoney(CScript scriptPubKey, int64 nValue, CWalletTx& wtxNew, bool fAskFee=false);
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std::string SendMoneyToBitcoinAddress(std::string strAddress, int64 nValue, CWalletTx& wtxNew, bool fAskFee=false);
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void ReserveKeyFromKeyPool(int64& nIndex, CKeyPool& keypool);
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void KeepKey(int64 nIndex);
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void ReturnKey(int64 nIndex);
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std::vector<unsigned char> GetKeyFromKeyPool();
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int64 GetOldestKeyPoolTime();
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bool IsMine(const CTxIn& txin) const;
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int64 GetDebit(const CTxIn& txin) const;
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bool IsMine(const CTxOut& txout) const
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{
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return ::IsMine(*this, txout.scriptPubKey);
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}
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int64 GetCredit(const CTxOut& txout) const
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{
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if (!MoneyRange(txout.nValue))
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throw std::runtime_error("CWallet::GetCredit() : value out of range");
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return (IsMine(txout) ? txout.nValue : 0);
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}
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bool IsChange(const CTxOut& txout) const
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{
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std::vector<unsigned char> vchPubKey;
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if (ExtractPubKey(txout.scriptPubKey, this, vchPubKey))
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CRITICAL_BLOCK(cs_mapAddressBook)
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if (!mapAddressBook.count(PubKeyToAddress(vchPubKey)))
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return true;
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return false;
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}
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int64 GetChange(const CTxOut& txout) const
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{
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if (!MoneyRange(txout.nValue))
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throw std::runtime_error("CWallet::GetChange() : value out of range");
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return (IsChange(txout) ? txout.nValue : 0);
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}
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bool IsMine(const CTransaction& tx) const
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{
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BOOST_FOREACH(const CTxOut& txout, tx.vout)
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if (IsMine(txout))
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return true;
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return false;
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}
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bool IsFromMe(const CTransaction& tx) const
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{
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return (GetDebit(tx) > 0);
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}
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int64 GetDebit(const CTransaction& tx) const
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{
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int64 nDebit = 0;
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BOOST_FOREACH(const CTxIn& txin, tx.vin)
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{
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nDebit += GetDebit(txin);
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if (!MoneyRange(nDebit))
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throw std::runtime_error("CWallet::GetDebit() : value out of range");
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}
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return nDebit;
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}
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int64 GetCredit(const CTransaction& tx) const
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{
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int64 nCredit = 0;
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BOOST_FOREACH(const CTxOut& txout, tx.vout)
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{
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nCredit += GetCredit(txout);
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if (!MoneyRange(nCredit))
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throw std::runtime_error("CWallet::GetCredit() : value out of range");
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}
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return nCredit;
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}
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int64 GetChange(const CTransaction& tx) const
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{
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int64 nChange = 0;
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BOOST_FOREACH(const CTxOut& txout, tx.vout)
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{
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nChange += GetChange(txout);
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if (!MoneyRange(nChange))
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throw std::runtime_error("CWallet::GetChange() : value out of range");
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}
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return nChange;
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}
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void SetBestChain(const CBlockLocator& loc)
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{
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CWalletDB walletdb(strWalletFile);
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walletdb.WriteBestBlock(loc);
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}
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bool LoadWallet(bool& fFirstRunRet);
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// bool BackupWallet(const std::string& strDest);
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bool SetAddressBookName(const std::string& strAddress, const std::string& strName);
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bool EraseAddressBookName(const std::string& strAddress);
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std::string GetDefaultAddress();
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bool SetDefaultAddress(const std::string& strAddress);
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void UpdatedTransaction(const uint256 &hashTx)
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{
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CRITICAL_BLOCK(cs_mapWallet)
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vWalletUpdated.push_back(hashTx);
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}
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void PrintWallet(const CBlock& block);
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void Inventory(const uint256 &hash)
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{
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CRITICAL_BLOCK(cs_mapRequestCount)
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{
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std::map<uint256, int>::iterator mi = mapRequestCount.find(hash);
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if (mi != mapRequestCount.end())
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(*mi).second++;
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}
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}
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bool GetTransaction(const uint256 &hashTx, CWalletTx& wtx);
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};
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class CReserveKey
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{
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protected:
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CWallet* pwallet;
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int64 nIndex;
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std::vector<unsigned char> vchPubKey;
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public:
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CReserveKey(CWallet* pwalletIn)
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{
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nIndex = -1;
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pwallet = pwalletIn;
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}
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~CReserveKey()
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{
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if (!fShutdown)
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ReturnKey();
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}
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void ReturnKey();
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std::vector<unsigned char> GetReservedKey();
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void KeepKey();
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};
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//
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// A transaction with a bunch of additional info that only the owner cares
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// about. It includes any unrecorded transactions needed to link it back
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// to the block chain.
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//
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class CWalletTx : public CMerkleTx
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{
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public:
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const CWallet* pwallet;
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std::vector<CMerkleTx> vtxPrev;
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std::map<std::string, std::string> mapValue;
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std::vector<std::pair<std::string, std::string> > vOrderForm;
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unsigned int fTimeReceivedIsTxTime;
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unsigned int nTimeReceived; // time received by this node
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char fFromMe;
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std::string strFromAccount;
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std::vector<char> vfSpent;
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// memory only
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mutable char fDebitCached;
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mutable char fCreditCached;
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mutable char fAvailableCreditCached;
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mutable char fChangeCached;
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mutable int64 nDebitCached;
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mutable int64 nCreditCached;
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mutable int64 nAvailableCreditCached;
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mutable int64 nChangeCached;
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// memory only UI hints
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mutable unsigned int nTimeDisplayed;
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mutable int nLinesDisplayed;
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mutable char fConfirmedDisplayed;
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CWalletTx()
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{
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Init(NULL);
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}
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CWalletTx(const CWallet* pwalletIn)
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{
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Init(pwalletIn);
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}
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CWalletTx(const CWallet* pwalletIn, const CMerkleTx& txIn) : CMerkleTx(txIn)
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{
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Init(pwalletIn);
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}
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CWalletTx(const CWallet* pwalletIn, const CTransaction& txIn) : CMerkleTx(txIn)
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{
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Init(pwalletIn);
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}
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void Init(const CWallet* pwalletIn)
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{
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pwallet = pwalletIn;
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vtxPrev.clear();
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mapValue.clear();
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vOrderForm.clear();
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fTimeReceivedIsTxTime = false;
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nTimeReceived = 0;
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fFromMe = false;
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strFromAccount.clear();
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vfSpent.clear();
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fDebitCached = false;
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fCreditCached = false;
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fAvailableCreditCached = false;
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fChangeCached = false;
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nDebitCached = 0;
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nCreditCached = 0;
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nAvailableCreditCached = 0;
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nChangeCached = 0;
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nTimeDisplayed = 0;
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nLinesDisplayed = 0;
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fConfirmedDisplayed = false;
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}
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IMPLEMENT_SERIALIZE
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(
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CWalletTx* pthis = const_cast<CWalletTx*>(this);
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if (fRead)
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pthis->Init(NULL);
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char fSpent = false;
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if (!fRead)
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{
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pthis->mapValue["fromaccount"] = pthis->strFromAccount;
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std::string str;
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BOOST_FOREACH(char f, vfSpent)
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{
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str += (f ? '1' : '0');
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if (f)
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fSpent = true;
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}
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pthis->mapValue["spent"] = str;
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}
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nSerSize += SerReadWrite(s, *(CMerkleTx*)this, nType, nVersion,ser_action);
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READWRITE(vtxPrev);
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READWRITE(mapValue);
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READWRITE(vOrderForm);
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READWRITE(fTimeReceivedIsTxTime);
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READWRITE(nTimeReceived);
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READWRITE(fFromMe);
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READWRITE(fSpent);
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if (fRead)
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{
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pthis->strFromAccount = pthis->mapValue["fromaccount"];
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if (mapValue.count("spent"))
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BOOST_FOREACH(char c, pthis->mapValue["spent"])
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pthis->vfSpent.push_back(c != '0');
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else
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pthis->vfSpent.assign(vout.size(), fSpent);
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}
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pthis->mapValue.erase("fromaccount");
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pthis->mapValue.erase("version");
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pthis->mapValue.erase("spent");
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)
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// marks certain txout's as spent
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// returns true if any update took place
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bool UpdateSpent(const std::vector<char>& vfNewSpent)
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{
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bool fReturn = false;
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for (int i=0; i < vfNewSpent.size(); i++)
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{
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if (i == vfSpent.size())
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break;
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if (vfNewSpent[i] && !vfSpent[i])
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{
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vfSpent[i] = true;
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fReturn = true;
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fAvailableCreditCached = false;
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}
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}
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return fReturn;
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}
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void MarkDirty()
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{
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fCreditCached = false;
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fAvailableCreditCached = false;
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fDebitCached = false;
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fChangeCached = false;
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}
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void MarkSpent(unsigned int nOut)
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{
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if (nOut >= vout.size())
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throw std::runtime_error("CWalletTx::MarkSpent() : nOut out of range");
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vfSpent.resize(vout.size());
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if (!vfSpent[nOut])
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{
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vfSpent[nOut] = true;
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fAvailableCreditCached = false;
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}
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}
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bool IsSpent(unsigned int nOut) const
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{
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if (nOut >= vout.size())
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throw std::runtime_error("CWalletTx::IsSpent() : nOut out of range");
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if (nOut >= vfSpent.size())
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return false;
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return (!!vfSpent[nOut]);
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}
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int64 GetDebit() const
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{
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if (vin.empty())
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return 0;
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if (fDebitCached)
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return nDebitCached;
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nDebitCached = pwallet->GetDebit(*this);
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fDebitCached = true;
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return nDebitCached;
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}
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int64 GetCredit(bool fUseCache=true) const
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{
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// Must wait until coinbase is safely deep enough in the chain before valuing it
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if (IsCoinBase() && GetBlocksToMaturity() > 0)
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return 0;
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// GetBalance can assume transactions in mapWallet won't change
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if (fUseCache && fCreditCached)
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return nCreditCached;
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nCreditCached = pwallet->GetCredit(*this);
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fCreditCached = true;
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return nCreditCached;
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}
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int64 GetAvailableCredit(bool fUseCache=true) const
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{
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// Must wait until coinbase is safely deep enough in the chain before valuing it
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if (IsCoinBase() && GetBlocksToMaturity() > 0)
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return 0;
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if (fUseCache && fAvailableCreditCached)
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return nAvailableCreditCached;
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int64 nCredit = 0;
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for (int i = 0; i < vout.size(); i++)
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{
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if (!IsSpent(i))
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{
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const CTxOut &txout = vout[i];
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nCredit += pwallet->GetCredit(txout);
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if (!MoneyRange(nCredit))
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throw std::runtime_error("CWalletTx::GetAvailableCredit() : value out of range");
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}
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}
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nAvailableCreditCached = nCredit;
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fAvailableCreditCached = true;
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return nCredit;
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}
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int64 GetChange() const
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{
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if (fChangeCached)
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return nChangeCached;
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nChangeCached = pwallet->GetChange(*this);
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fChangeCached = true;
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return nChangeCached;
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}
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void GetAmounts(int64& nGeneratedImmature, int64& nGeneratedMature, std::list<std::pair<std::string /* address */, int64> >& listReceived,
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std::list<std::pair<std::string /* address */, int64> >& listSent, int64& nFee, std::string& strSentAccount) const;
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void GetAccountAmounts(const std::string& strAccount, int64& nGenerated, int64& nReceived,
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int64& nSent, int64& nFee) const;
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bool IsFromMe() const
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{
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return (GetDebit() > 0);
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}
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bool IsConfirmed() const
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{
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// Quick answer in most cases
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if (!IsFinal())
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return false;
|
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if (GetDepthInMainChain() >= 1)
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return true;
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if (!IsFromMe()) // using wtx's cached debit
|
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return false;
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// If no confirmations but it's from us, we can still
|
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// consider it confirmed if all dependencies are confirmed
|
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std::map<uint256, const CMerkleTx*> mapPrev;
|
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std::vector<const CMerkleTx*> vWorkQueue;
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vWorkQueue.reserve(vtxPrev.size()+1);
|
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vWorkQueue.push_back(this);
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for (int i = 0; i < vWorkQueue.size(); i++)
|
||||
{
|
||||
const CMerkleTx* ptx = vWorkQueue[i];
|
||||
|
||||
if (!ptx->IsFinal())
|
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return false;
|
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if (ptx->GetDepthInMainChain() >= 1)
|
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continue;
|
||||
if (!pwallet->IsFromMe(*ptx))
|
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return false;
|
||||
|
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if (mapPrev.empty())
|
||||
BOOST_FOREACH(const CMerkleTx& tx, vtxPrev)
|
||||
mapPrev[tx.GetHash()] = &tx;
|
||||
|
||||
BOOST_FOREACH(const CTxIn& txin, ptx->vin)
|
||||
{
|
||||
if (!mapPrev.count(txin.prevout.hash))
|
||||
return false;
|
||||
vWorkQueue.push_back(mapPrev[txin.prevout.hash]);
|
||||
}
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
bool WriteToDisk();
|
||||
|
||||
int64 GetTxTime() const;
|
||||
int GetRequestCount() const;
|
||||
|
||||
void AddSupportingTransactions(CTxDB& txdb);
|
||||
|
||||
bool AcceptWalletTransaction(CTxDB& txdb, bool fCheckInputs=true);
|
||||
bool AcceptWalletTransaction();
|
||||
|
||||
void RelayWalletTransaction(CTxDB& txdb);
|
||||
void RelayWalletTransaction();
|
||||
};
|
||||
|
||||
|
||||
//
|
||||
// Private key that includes an expiration date in case it never gets used.
|
||||
//
|
||||
class CWalletKey
|
||||
{
|
||||
public:
|
||||
CPrivKey vchPrivKey;
|
||||
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 nExpires=0)
|
||||
{
|
||||
nTimeCreated = (nExpires ? GetTime() : 0);
|
||||
nTimeExpires = nExpires;
|
||||
}
|
||||
|
||||
IMPLEMENT_SERIALIZE
|
||||
(
|
||||
if (!(nType & SER_GETHASH))
|
||||
READWRITE(nVersion);
|
||||
READWRITE(vchPrivKey);
|
||||
READWRITE(nTimeCreated);
|
||||
READWRITE(nTimeExpires);
|
||||
READWRITE(strComment);
|
||||
)
|
||||
};
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
//
|
||||
// Account information.
|
||||
// Stored in wallet with key "acc"+string account name
|
||||
//
|
||||
class CAccount
|
||||
{
|
||||
public:
|
||||
std::vector<unsigned char> vchPubKey;
|
||||
|
||||
CAccount()
|
||||
{
|
||||
SetNull();
|
||||
}
|
||||
|
||||
void SetNull()
|
||||
{
|
||||
vchPubKey.clear();
|
||||
}
|
||||
|
||||
IMPLEMENT_SERIALIZE
|
||||
(
|
||||
if (!(nType & SER_GETHASH))
|
||||
READWRITE(nVersion);
|
||||
READWRITE(vchPubKey);
|
||||
)
|
||||
};
|
||||
|
||||
|
||||
|
||||
//
|
||||
// Internal transfers.
|
||||
// Database key is acentry<account><counter>
|
||||
//
|
||||
class CAccountingEntry
|
||||
{
|
||||
public:
|
||||
std::string strAccount;
|
||||
int64 nCreditDebit;
|
||||
int64 nTime;
|
||||
std::string strOtherAccount;
|
||||
std::string strComment;
|
||||
|
||||
CAccountingEntry()
|
||||
{
|
||||
SetNull();
|
||||
}
|
||||
|
||||
void SetNull()
|
||||
{
|
||||
nCreditDebit = 0;
|
||||
nTime = 0;
|
||||
strAccount.clear();
|
||||
strOtherAccount.clear();
|
||||
strComment.clear();
|
||||
}
|
||||
|
||||
IMPLEMENT_SERIALIZE
|
||||
(
|
||||
if (!(nType & SER_GETHASH))
|
||||
READWRITE(nVersion);
|
||||
// Note: strAccount is serialized as part of the key, not here.
|
||||
READWRITE(nCreditDebit);
|
||||
READWRITE(nTime);
|
||||
READWRITE(strOtherAccount);
|
||||
READWRITE(strComment);
|
||||
)
|
||||
};
|
||||
|
||||
bool GetWalletFile(CWallet* pwallet, std::string &strWalletFileOut);
|
||||
|
||||
#endif
|
||||
Reference in New Issue
Block a user