1 // Copyright (c) 2009-2010 Satoshi Nakamoto
2 // Copyright (c) 2009-2012 The Bitcoin developers
3 // Distributed under the MIT/X11 software license, see the accompanying
4 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
5 #ifndef BITCOIN_WALLET_H
6 #define BITCOIN_WALLET_H
17 #include "ui_interface.h"
21 extern unsigned int nStakeMaxAge;
22 extern bool fWalletUnlockMintOnly;
23 extern bool fConfChange;
24 class CAccountingEntry;
30 // Set of selected transactions
31 typedef std::set<std::pair<const CWalletTx*,unsigned int> > CoinsSet;
33 /** (client) version numbers for particular wallet features */
36 FEATURE_BASE = 10500, // the earliest version new wallets supports (only useful for getinfo's clientversion output)
38 FEATURE_WALLETCRYPT = 40000, // wallet encryption
39 FEATURE_COMPRPUBKEY = 60000, // compressed public keys
40 FEATURE_MALLKEY = 60017,
41 FEATURE_LATEST = 60017
44 /** A key pool entry */
56 CKeyPool(const CPubKey& vchPubKeyIn)
59 vchPubKey = vchPubKeyIn;
64 if (!(nType & SER_GETHASH))
71 /** A CWallet is an extension of a keystore, which also maintains a set of transactions and balances,
72 * and provides the ability to create new transactions.
74 class CWallet : public CCryptoKeyStore
77 bool SelectCoins(int64_t nTargetValue, unsigned int nSpendTime, std::set<std::pair<const CWalletTx*,unsigned int> >& setCoinsRet, int64_t& nValueRet, const CCoinControl *coinControl=NULL) const;
79 CWalletDB *pwalletdbEncryption, *pwalletdbDecryption;
81 // the current wallet version: clients below this version are not able to load the wallet
84 // the maximum wallet format version: memory-only variable that specifies to what version this wallet may be upgraded
85 int nWalletMaxVersion;
87 // stake mining statistics
88 uint64_t nKernelsTried;
89 uint64_t nCoinDaysTried;
92 mutable CCriticalSection cs_wallet;
95 std::string strWalletFile;
97 std::set<int64_t> setKeyPool;
98 std::map<CKeyID, CKeyMetadata> mapKeyMetadata;
99 std::map<CMalleableKeyView, CKeyMetadata> mapMalleableKeyMetadata;
101 typedef std::map<unsigned int, CMasterKey> MasterKeyMap;
102 MasterKeyMap mapMasterKeys;
103 unsigned int nMasterKeyMaxID;
109 CWallet(std::string strWalletFileIn)
113 strWalletFile = strWalletFileIn;
118 nWalletVersion = FEATURE_BASE;
119 nWalletMaxVersion = FEATURE_BASE;
122 pwalletdbEncryption = NULL;
123 pwalletdbDecryption = NULL;
130 std::map<uint256, CWalletTx> mapWallet;
131 std::vector<uint256> vMintingWalletUpdated;
132 int64_t nOrderPosNext;
133 std::map<uint256, int> mapRequestCount;
135 std::map<CTxDestination, std::string> mapAddressBook;
137 CPubKey vchDefaultKey;
138 int64_t nTimeFirstKey;
140 // check whether we are allowed to upgrade (or already support) to the named feature
141 bool CanSupportFeature(enum WalletFeature wf) { return nWalletMaxVersion >= wf; }
143 void AvailableCoinsMinConf(std::vector<COutput>& vCoins, int nConf, int64_t nMinValue, int64_t nMaxValue) const;
144 void AvailableCoins(std::vector<COutput>& vCoins, bool fOnlyConfirmed=true, const CCoinControl *coinControl=NULL) const;
145 bool SelectCoinsMinConf(int64_t nTargetValue, unsigned int nSpendTime, int nConfMine, int nConfTheirs, std::vector<COutput> vCoins, std::set<std::pair<const CWalletTx*,unsigned int> >& setCoinsRet, int64_t& nValueRet) const;
147 // Simple select (without randomization)
148 bool SelectCoinsSimple(int64_t nTargetValue, int64_t nMinValue, int64_t nMaxValue, unsigned int nSpendTime, int nMinConf, std::set<std::pair<const CWalletTx*,unsigned int> >& setCoinsRet, int64_t& nValueRet) const;
150 // keystore implementation
151 // Generate a new key
152 CPubKey GenerateNewKey();
153 CMalleableKeyView GenerateNewMalleableKey();
154 // Adds a key to the store, and saves it to disk.
155 bool AddKey(const CKey& key);
156 bool AddMalleableKey(const CMalleableKey& mKey);
157 // Adds a key to the store, without saving it to disk (used by LoadWallet)
158 bool LoadKey(const CKey& key) { return CCryptoKeyStore::AddKey(key); }
159 // Load metadata (used by LoadWallet)
160 bool LoadKeyMetadata(const CPubKey &pubkey, const CKeyMetadata &metadata);
161 bool LoadMalleableKeyMetadata(const CMalleableKeyView &keyView, const CKeyMetadata &metadata);
163 // Load malleable key without saving it to disk (used by LoadWallet)
164 bool LoadMalleableKey(const CMalleableKeyView &keyView, const CSecret &vchSecretH) { return CCryptoKeyStore::AddMalleableKey(keyView, vchSecretH); }
165 bool LoadCryptedMalleableKey(const CMalleableKeyView &keyView, const std::vector<unsigned char> &vchCryptedSecretH) { return CCryptoKeyStore::AddCryptedMalleableKey(keyView, vchCryptedSecretH); }
167 bool LoadMinVersion(int nVersion) { nWalletVersion = nVersion; nWalletMaxVersion = std::max(nWalletMaxVersion, nVersion); return true; }
169 // Adds an encrypted key to the store, and saves it to disk.
170 bool AddCryptedKey(const CPubKey &vchPubKey, const std::vector<unsigned char> &vchCryptedSecret);
171 bool AddCryptedMalleableKey(const CMalleableKeyView& keyView, const std::vector<unsigned char> &vchCryptedSecretH);
172 // Adds an encrypted key to the store, without saving it to disk (used by LoadWallet)
173 bool LoadCryptedKey(const CPubKey &vchPubKey, const std::vector<unsigned char> &vchCryptedSecret) { SetMinVersion(FEATURE_WALLETCRYPT); return CCryptoKeyStore::AddCryptedKey(vchPubKey, vchCryptedSecret); }
174 bool AddCScript(const CScript& redeemScript);
175 bool LoadCScript(const CScript& redeemScript);
177 // Adds a watch-only address to the store, and saves it to disk.
178 bool AddWatchOnly(const CScript &dest);
179 bool RemoveWatchOnly(const CScript &dest);
180 // Adds a watch-only address to the store, without saving it to disk (used by LoadWallet)
181 bool LoadWatchOnly(const CScript &dest);
183 bool Unlock(const SecureString& strWalletPassphrase);
184 bool ChangeWalletPassphrase(const SecureString& strOldWalletPassphrase, const SecureString& strNewWalletPassphrase);
185 bool EncryptWallet(const SecureString& strWalletPassphrase);
186 bool DecryptWallet(const SecureString& strWalletPassphrase);
188 void GetKeyBirthTimes(std::map<CKeyID, int64_t> &mapKeyBirth) const;
191 /** Increment the next transaction order id
192 @return next transaction order id
194 int64_t IncOrderPosNext(CWalletDB *pwalletdb = NULL);
196 typedef std::pair<CWalletTx*, CAccountingEntry*> TxPair;
197 typedef std::multimap<int64_t, TxPair > TxItems;
199 /** Get the wallet's activity log
200 @return multimap of ordered transactions and accounting entries
201 @warning Returned pointers are *only* valid within the scope of passed acentries
203 TxItems OrderedTxItems(std::list<CAccountingEntry>& acentries, std::string strAccount = "");
206 bool AddToWallet(const CWalletTx& wtxIn);
207 bool AddToWalletIfInvolvingMe(const CTransaction& tx, const CBlock* pblock, bool fUpdate = false, bool fFindBlock = false);
208 bool EraseFromWallet(uint256 hash);
210 void WalletUpdateSpent(const CTransaction& prevout, bool fBlock = false);
211 int ScanForWalletTransactions(CBlockIndex* pindexStart, bool fUpdate = false);
212 int ScanForWalletTransaction(const uint256& hashTx);
213 void ReacceptWalletTransactions();
214 void ResendWalletTransactions();
215 int64_t GetBalance() const;
216 int64_t GetWatchOnlyBalance() const;
217 int64_t GetUnconfirmedBalance() const;
218 int64_t GetUnconfirmedWatchOnlyBalance() const;
219 int64_t GetImmatureBalance() const;
220 int64_t GetImmatureWatchOnlyBalance() const;
221 int64_t GetStake() const;
222 int64_t GetNewMint() const;
223 int64_t GetWatchOnlyStake() const;
224 int64_t GetWatchOnlyNewMint() const;
225 bool CreateTransaction(const std::vector<std::pair<CScript, int64_t> >& vecSend, CWalletTx& wtxNew, CReserveKey& reservekey, int64_t& nFeeRet, const CCoinControl *coinControl=NULL);
226 bool CreateTransaction(CScript scriptPubKey, int64_t nValue, CWalletTx& wtxNew, CReserveKey& reservekey, int64_t& nFeeRet, const CCoinControl *coinControl=NULL);
227 bool CommitTransaction(CWalletTx& wtxNew, CReserveKey& reservekey);
229 void GetStakeWeightFromValue(const int64_t& nTime, const int64_t& nValue, uint64_t& nWeight);
230 bool CreateCoinStake(uint256 &hashTx, uint32_t nOut, uint32_t nTime, uint32_t nBits, CTransaction &txNew, CKey& key);
231 bool MergeCoins(const int64_t& nAmount, const int64_t& nMinValue, const int64_t& nMaxValue, std::list<uint256>& listMerged);
233 std::string SendMoney(CScript scriptPubKey, int64_t nValue, CWalletTx& wtxNew, bool fAskFee=false);
235 bool NewKeyPool(unsigned int nSize = 0);
236 bool TopUpKeyPool(unsigned int nSize = 0);
237 int64_t AddReserveKey(const CKeyPool& keypool);
238 void ReserveKeyFromKeyPool(int64_t& nIndex, CKeyPool& keypool);
239 void KeepKey(int64_t nIndex);
240 void ReturnKey(int64_t nIndex);
241 bool GetKeyFromPool(CPubKey &key, bool fAllowReuse=true);
242 int64_t GetOldestKeyPoolTime();
243 void GetAllReserveKeys(std::set<CKeyID>& setAddress) const;
245 std::set< std::set<CTxDestination> > GetAddressGroupings();
246 std::map<CTxDestination, int64_t> GetAddressBalances();
248 isminetype IsMine(const CTxIn& txin) const;
249 int64_t GetDebit(const CTxIn& txin, const isminefilter& filter) const;
250 isminetype IsMine(const CTxOut& txout) const
252 return ::IsMine(*this, txout.scriptPubKey);
254 int64_t GetCredit(const CTxOut& txout, const isminefilter& filter) const
256 if (!MoneyRange(txout.nValue))
257 throw std::runtime_error("CWallet::GetCredit() : value out of range");
258 return (IsMine(txout) & filter ? txout.nValue : 0);
260 bool IsChange(const CTxOut& txout) const;
261 int64_t GetChange(const CTxOut& txout) const
263 if (!MoneyRange(txout.nValue))
264 throw std::runtime_error("CWallet::GetChange() : value out of range");
265 return (IsChange(txout) ? txout.nValue : 0);
267 bool IsMine(const CTransaction& tx) const
269 BOOST_FOREACH(const CTxOut& txout, tx.vout)
270 if (IsMine(txout) && txout.nValue >= nMinimumInputValue)
274 bool IsFromMe(const CTransaction& tx) const
276 return (GetDebit(tx, MINE_ALL) > 0);
278 int64_t GetDebit(const CTransaction& tx, const isminefilter& filter) const
281 BOOST_FOREACH(const CTxIn& txin, tx.vin)
283 nDebit += GetDebit(txin, filter);
284 if (!MoneyRange(nDebit))
285 throw std::runtime_error("CWallet::GetDebit() : value out of range");
289 int64_t GetCredit(const CTransaction& tx, const isminefilter& filter) const
292 BOOST_FOREACH(const CTxOut& txout, tx.vout)
294 nCredit += GetCredit(txout, filter);
295 if (!MoneyRange(nCredit))
296 throw std::runtime_error("CWallet::GetCredit() : value out of range");
300 int64_t GetChange(const CTransaction& tx) const
303 BOOST_FOREACH(const CTxOut& txout, tx.vout)
305 nChange += GetChange(txout);
306 if (!MoneyRange(nChange))
307 throw std::runtime_error("CWallet::GetChange() : value out of range");
311 void SetBestChain(const CBlockLocator& loc);
313 DBErrors LoadWallet(bool& fFirstRunRet);
315 DBErrors ZapWalletTx();
317 bool SetAddressBookName(const CTxDestination& address, const std::string& strName);
319 bool DelAddressBookName(const CTxDestination& address);
321 void UpdatedTransaction(const uint256 &hashTx);
323 void PrintWallet(const CBlock& block);
325 void Inventory(const uint256 &hash)
329 std::map<uint256, int>::iterator mi = mapRequestCount.find(hash);
330 if (mi != mapRequestCount.end())
335 unsigned int GetKeyPoolSize()
337 return (unsigned int)(setKeyPool.size());
340 bool GetTransaction(const uint256 &hashTx, CWalletTx& wtx);
342 bool ExtractAddress(const CScript& scriptPubKey, std::string& addressRet);
344 bool SetDefaultKey(const CPubKey &vchPubKey);
346 // signify that a particular wallet feature is now used. this may change nWalletVersion and nWalletMaxVersion if those are lower
347 bool SetMinVersion(enum WalletFeature, CWalletDB* pwalletdbIn = NULL, bool fExplicit = false);
349 // change which version we're allowed to upgrade to (note that this does not immediately imply upgrading to that format)
350 bool SetMaxVersion(int nVersion);
352 // get the current wallet format (the oldest client version guaranteed to understand this wallet)
353 int GetVersion() { return nWalletVersion; }
355 void FixSpentCoins(int& nMismatchSpent, int64_t& nBalanceInQuestion, bool fCheckOnly = false);
356 void DisableTransaction(const CTransaction &tx);
358 /** Address book entry changed.
359 * @note called with lock cs_wallet held.
361 boost::signals2::signal<void (CWallet *wallet, const CTxDestination &address, const std::string &label, bool isMine, ChangeType status)> NotifyAddressBookChanged;
363 /** Wallet transaction added, removed or updated.
364 * @note called with lock cs_wallet held.
366 boost::signals2::signal<void (CWallet *wallet, const uint256 &hashTx, ChangeType status)> NotifyTransactionChanged;
368 /** Watch-only address added */
369 boost::signals2::signal<void (bool fHaveWatchOnly)> NotifyWatchonlyChanged;
372 /** A key allocated from the key pool. */
380 CReserveKey(CWallet* pwalletIn)
393 CPubKey GetReservedKey();
398 typedef std::map<std::string, std::string> mapValue_t;
401 static void ReadOrderPos(int64_t& nOrderPos, mapValue_t& mapValue)
403 if (!mapValue.count("n"))
405 nOrderPos = -1; // TODO: calculate elsewhere
408 nOrderPos = atoi64(mapValue["n"].c_str());
412 static void WriteOrderPos(const int64_t& nOrderPos, mapValue_t& mapValue)
416 mapValue["n"] = i64tostr(nOrderPos);
420 /** A transaction with a bunch of additional info that only the owner cares about.
421 * It includes any unrecorded transactions needed to link it back to the block chain.
423 class CWalletTx : public CMerkleTx
426 const CWallet* pwallet;
429 std::vector<CMerkleTx> vtxPrev;
431 std::vector<std::pair<std::string, std::string> > vOrderForm;
432 unsigned int fTimeReceivedIsTxTime;
433 unsigned int nTimeReceived; // time received by this node
434 unsigned int nTimeSmart;
436 std::string strFromAccount;
437 std::vector<char> vfSpent; // which outputs are already spent
438 int64_t nOrderPos; // position in ordered transaction list
441 mutable bool fDebitCached;
442 mutable bool fWatchDebitCached;
443 mutable bool fCreditCached;
444 mutable bool fWatchCreditCached;
445 mutable bool fAvailableCreditCached;
446 mutable bool fImmatureCreditCached;
447 mutable bool fImmatureWatchCreditCached;
448 mutable bool fAvailableWatchCreditCached;
449 mutable bool fChangeCached;
450 mutable int64_t nDebitCached;
451 mutable int64_t nWatchDebitCached;
452 mutable int64_t nCreditCached;
453 mutable int64_t nWatchCreditCached;
454 mutable int64_t nAvailableCreditCached;
455 mutable int64_t nImmatureCreditCached;
456 mutable int64_t nImmatureWatchCreditCached;
457 mutable int64_t nAvailableWatchCreditCached;
458 mutable int64_t nChangeCached;
465 CWalletTx(const CWallet* pwalletIn)
470 CWalletTx(const CWallet* pwalletIn, const CMerkleTx& txIn) : CMerkleTx(txIn)
475 CWalletTx(const CWallet* pwalletIn, const CTransaction& txIn) : CMerkleTx(txIn)
480 void Init(const CWallet* pwalletIn)
486 fTimeReceivedIsTxTime = false;
490 strFromAccount.clear();
492 fDebitCached = false;
493 fWatchDebitCached = false;
494 fCreditCached = false;
495 fWatchCreditCached = false;
496 fAvailableCreditCached = false;
497 fAvailableWatchCreditCached = false;
498 fImmatureCreditCached = false;
499 fImmatureWatchCreditCached = false;
500 fChangeCached = false;
502 nWatchDebitCached = 0;
504 nWatchCreditCached = 0;
505 nAvailableCreditCached = 0;
506 nAvailableWatchCreditCached = 0;
507 nImmatureCreditCached = 0;
508 nImmatureWatchCreditCached = 0;
515 CWalletTx* pthis = const_cast<CWalletTx*>(this);
522 pthis->mapValue["fromaccount"] = pthis->strFromAccount;
525 BOOST_FOREACH(char f, vfSpent)
527 str += (f ? '1' : '0');
531 pthis->mapValue["spent"] = str;
533 WriteOrderPos(pthis->nOrderPos, pthis->mapValue);
536 pthis->mapValue["timesmart"] = strprintf("%u", nTimeSmart);
539 nSerSize += SerReadWrite(s, *(CMerkleTx*)this, nType, nVersion,ser_action);
542 READWRITE(vOrderForm);
543 READWRITE(fTimeReceivedIsTxTime);
544 READWRITE(nTimeReceived);
550 pthis->strFromAccount = pthis->mapValue["fromaccount"];
552 if (mapValue.count("spent"))
553 BOOST_FOREACH(char c, pthis->mapValue["spent"])
554 pthis->vfSpent.push_back(c != '0');
556 pthis->vfSpent.assign(vout.size(), fSpent);
558 ReadOrderPos(pthis->nOrderPos, pthis->mapValue);
560 pthis->nTimeSmart = mapValue.count("timesmart") ? (unsigned int)atoi64(pthis->mapValue["timesmart"]) : 0;
563 pthis->mapValue.erase("fromaccount");
564 pthis->mapValue.erase("version");
565 pthis->mapValue.erase("spent");
566 pthis->mapValue.erase("n");
567 pthis->mapValue.erase("timesmart");
570 // marks certain txout's as spent
571 // returns true if any update took place
572 bool UpdateSpent(const std::vector<char>& vfNewSpent)
574 bool fReturn = false;
575 for (unsigned int i = 0; i < vfNewSpent.size(); i++)
577 if (i == vfSpent.size())
580 if (vfNewSpent[i] && !vfSpent[i])
584 fAvailableCreditCached = fAvailableWatchCreditCached = false;
590 // make sure balances are recalculated
593 fCreditCached = false;
594 fAvailableCreditCached = fAvailableWatchCreditCached = false;
595 fDebitCached = fWatchDebitCached = false;
596 fChangeCached = false;
599 void BindWallet(CWallet *pwalletIn)
605 void MarkSpent(unsigned int nOut)
607 if (nOut >= vout.size())
608 throw std::runtime_error("CWalletTx::MarkSpent() : nOut out of range");
609 vfSpent.resize(vout.size());
612 vfSpent[nOut] = true;
613 fAvailableCreditCached = fAvailableWatchCreditCached = false;
617 void MarkUnspent(unsigned int nOut)
619 if (nOut >= vout.size())
620 throw std::runtime_error("CWalletTx::MarkUnspent() : nOut out of range");
621 vfSpent.resize(vout.size());
624 vfSpent[nOut] = false;
625 fAvailableCreditCached = fAvailableWatchCreditCached = false;
629 bool IsSpent(unsigned int nOut) const
631 if (nOut >= vout.size())
632 throw std::runtime_error("CWalletTx::IsSpent() : nOut out of range");
633 if (nOut >= vfSpent.size())
635 return (!!vfSpent[nOut]);
638 int64_t GetDebit(const isminefilter& filter) const
644 if (filter & MINE_SPENDABLE)
647 nDebit += nDebitCached;
650 nDebitCached = pwallet->GetDebit(*this, MINE_SPENDABLE);
652 nDebit += nDebitCached;
655 if (filter & MINE_WATCH_ONLY)
657 if (fWatchDebitCached)
658 nDebit += nWatchDebitCached;
661 nWatchDebitCached = pwallet->GetDebit(*this, MINE_WATCH_ONLY);
662 fWatchDebitCached = true;
663 nDebit += nWatchDebitCached;
670 int64_t GetCredit(const isminefilter& filter) const
672 // Must wait until coinbase is safely deep enough in the chain before valuing it
673 if ((IsCoinBase() || IsCoinStake()) && GetBlocksToMaturity() > 0)
677 if (filter & MINE_SPENDABLE)
679 // GetBalance can assume transactions in mapWallet won't change
681 credit += nCreditCached;
684 nCreditCached = pwallet->GetCredit(*this, MINE_SPENDABLE);
685 fCreditCached = true;
686 credit += nCreditCached;
689 if (filter & MINE_WATCH_ONLY)
691 if (fWatchCreditCached)
692 credit += nWatchCreditCached;
695 nWatchCreditCached = pwallet->GetCredit(*this, MINE_WATCH_ONLY);
696 fWatchCreditCached = true;
697 credit += nWatchCreditCached;
703 int64_t GetImmatureCredit(bool fUseCache=true) const
705 if (IsCoinBase() && GetBlocksToMaturity() > 0 && IsInMainChain())
707 if (fUseCache && fImmatureCreditCached)
708 return nImmatureCreditCached;
709 nImmatureCreditCached = pwallet->GetCredit(*this, MINE_SPENDABLE);
710 fImmatureCreditCached = true;
711 return nImmatureCreditCached;
717 int64_t GetImmatureWatchOnlyCredit(bool fUseCache=true) const
719 if (IsCoinBase() && GetBlocksToMaturity() > 0 && IsInMainChain())
721 if (fUseCache && fImmatureWatchCreditCached)
722 return nImmatureWatchCreditCached;
723 nImmatureWatchCreditCached = pwallet->GetCredit(*this, MINE_WATCH_ONLY);
724 fImmatureWatchCreditCached = true;
725 return nImmatureWatchCreditCached;
732 int64_t GetAvailableCredit(bool fUseCache=true) const
734 // Must wait until coinbase is safely deep enough in the chain before valuing it
735 if ((IsCoinBase() || IsCoinStake()) && GetBlocksToMaturity() > 0)
739 if (fAvailableCreditCached)
740 return nAvailableCreditCached;
744 for (unsigned int i = 0; i < vout.size(); i++)
748 const CTxOut &txout = vout[i];
749 nCredit += pwallet->GetCredit(txout, MINE_SPENDABLE);
750 if (!MoneyRange(nCredit))
751 throw std::runtime_error("CWalletTx::GetAvailableCredit() : value out of range");
755 nAvailableCreditCached = nCredit;
756 fAvailableCreditCached = true;
761 int64_t GetAvailableWatchCredit(bool fUseCache=true) const
763 // Must wait until coinbase is safely deep enough in the chain before valuing it
764 if ((IsCoinBase() || IsCoinStake()) && GetBlocksToMaturity() > 0)
768 if (fAvailableWatchCreditCached)
769 return nAvailableWatchCreditCached;
773 for (unsigned int i = 0; i < vout.size(); i++)
777 const CTxOut &txout = vout[i];
778 nCredit += pwallet->GetCredit(txout, MINE_WATCH_ONLY);
779 if (!MoneyRange(nCredit))
780 throw std::runtime_error("CWalletTx::GetAvailableCredit() : value out of range");
784 nAvailableWatchCreditCached = nCredit;
785 fAvailableWatchCreditCached = true;
790 int64_t GetChange() const
793 return nChangeCached;
794 nChangeCached = pwallet->GetChange(*this);
795 fChangeCached = true;
796 return nChangeCached;
799 void GetAmounts(int64_t& nGeneratedImmature, int64_t& nGeneratedMature, std::list<std::pair<CTxDestination, int64_t> >& listReceived,
800 std::list<std::pair<CTxDestination, int64_t> >& listSent, int64_t& nFee, std::string& strSentAccount, const isminefilter& filter) const;
802 void GetAccountAmounts(const std::string& strAccount, int64_t& nGenerated, int64_t& nReceived,
803 int64_t& nSent, int64_t& nFee, const isminefilter& filter) const;
805 bool IsFromMe(const isminefilter& filter) const
807 return (GetDebit(filter) > 0);
810 bool IsTrusted() const
812 // Quick answer in most cases
815 if (GetDepthInMainChain() >= 1)
817 if (fConfChange || !IsFromMe(MINE_ALL)) // using wtx's cached debit
820 // If no confirmations but it's from us, we can still
821 // consider it confirmed if all dependencies are confirmed
822 std::map<uint256, const CMerkleTx*> mapPrev;
823 std::vector<const CMerkleTx*> vWorkQueue;
824 vWorkQueue.reserve(vtxPrev.size()+1);
825 vWorkQueue.push_back(this);
826 for (unsigned int i = 0; i < vWorkQueue.size(); i++)
828 const CMerkleTx* ptx = vWorkQueue[i];
832 if (ptx->GetDepthInMainChain() >= 1)
834 if (!pwallet->IsFromMe(*ptx))
839 BOOST_FOREACH(const CMerkleTx& tx, vtxPrev)
840 mapPrev[tx.GetHash()] = &tx;
843 BOOST_FOREACH(const CTxIn& txin, ptx->vin)
845 if (!mapPrev.count(txin.prevout.hash))
847 vWorkQueue.push_back(mapPrev[txin.prevout.hash]);
856 int64_t GetTxTime() const;
857 int GetRequestCount() const;
859 void AddSupportingTransactions(CTxDB& txdb);
861 bool AcceptWalletTransaction(CTxDB& txdb, bool fCheckInputs=true);
862 bool AcceptWalletTransaction();
864 void RelayWalletTransaction(CTxDB& txdb);
865 void RelayWalletTransaction();
879 COutput(const CWalletTx *txIn, int iIn, int nDepthIn, bool fSpendableIn)
881 tx = txIn; i = iIn; nDepth = nDepthIn; fSpendable = fSpendableIn;
884 std::string ToString() const
886 return strprintf("COutput(%s, %d, %d, %d) [%s]", tx->GetHash().ToString().substr(0,10).c_str(), i, fSpendable, nDepth, FormatMoney(tx->vout[i].nValue).c_str());
891 printf("%s\n", ToString().c_str());
898 /** Private key that includes an expiration date in case it never gets used. */
903 int64_t nTimeCreated;
904 int64_t nTimeExpires;
905 std::string strComment;
906 //// todo: add something to note what created it (user, getnewaddress, change)
907 //// maybe should have a map<string, string> property map
909 CWalletKey(int64_t nExpires=0)
911 nTimeCreated = (nExpires ? GetTime() : 0);
912 nTimeExpires = nExpires;
917 if (!(nType & SER_GETHASH))
919 READWRITE(vchPrivKey);
920 READWRITE(nTimeCreated);
921 READWRITE(nTimeExpires);
922 READWRITE(strComment);
931 /** Account information.
932 * Stored in wallet with key "acc"+string account name.
946 vchPubKey = CPubKey();
951 if (!(nType & SER_GETHASH))
953 READWRITE(vchPubKey);
959 /** Internal transfers.
960 * Database key is acentry<account><counter>.
962 class CAccountingEntry
965 std::string strAccount;
966 int64_t nCreditDebit;
968 std::string strOtherAccount;
969 std::string strComment;
971 int64_t nOrderPos; // position in ordered transaction list
984 strOtherAccount.clear();
991 CAccountingEntry& me = *const_cast<CAccountingEntry*>(this);
992 if (!(nType & SER_GETHASH))
994 // Note: strAccount is serialized as part of the key, not here.
995 READWRITE(nCreditDebit);
997 READWRITE(strOtherAccount);
1001 WriteOrderPos(nOrderPos, me.mapValue);
1003 if (!(mapValue.empty() && _ssExtra.empty()))
1005 CDataStream ss(nType, nVersion);
1006 ss.insert(ss.begin(), '\0');
1008 ss.insert(ss.end(), _ssExtra.begin(), _ssExtra.end());
1009 me.strComment.append(ss.str());
1013 READWRITE(strComment);
1015 size_t nSepPos = strComment.find("\0", 0, 1);
1018 me.mapValue.clear();
1019 if (std::string::npos != nSepPos)
1021 CDataStream ss(std::vector<char>(strComment.begin() + nSepPos + 1, strComment.end()), nType, nVersion);
1023 me._ssExtra = std::vector<char>(ss.begin(), ss.end());
1025 ReadOrderPos(me.nOrderPos, me.mapValue);
1027 if (std::string::npos != nSepPos)
1028 me.strComment.erase(nSepPos);
1030 me.mapValue.erase("n");
1034 std::vector<char> _ssExtra;
1037 bool GetWalletFile(CWallet* pwallet, std::string &strWalletFileOut);