diff options
Diffstat (limited to 'src/wallet/wallet.h')
| -rw-r--r-- | src/wallet/wallet.h | 524 |
1 files changed, 357 insertions, 167 deletions
diff --git a/src/wallet/wallet.h b/src/wallet/wallet.h index 2cf7b69c0..5f77a31ea 100644 --- a/src/wallet/wallet.h +++ b/src/wallet/wallet.h @@ -1,5 +1,5 @@ // Copyright (c) 2009-2010 Satoshi Nakamoto -// Copyright (c) 2009-2014 The Bitcoin Core developers +// Copyright (c) 2009-2016 The Bitcoin Core developers // Distributed under the MIT software license, see the accompanying // file COPYING or http://www.opensource.org/licenses/mit-license.php. @@ -8,19 +8,19 @@ #include "amount.h" #include "auxpow.h" -#include "key.h" -#include "keystore.h" -#include "primitives/block.h" -#include "primitives/transaction.h" +#include "streams.h" #include "tinyformat.h" #include "ui_interface.h" #include "utilstrencodings.h" #include "validationinterface.h" +#include "script/ismine.h" +#include "script/sign.h" #include "wallet/crypter.h" -#include "wallet/wallet_ismine.h" #include "wallet/walletdb.h" +#include "wallet/rpcwallet.h" #include <algorithm> +#include <atomic> #include <map> #include <set> #include <stdexcept> @@ -29,30 +29,52 @@ #include <utility> #include <vector> +#include <boost/shared_ptr.hpp> +#include <boost/thread.hpp> + +extern CWallet* pwalletMain; + /** * Settings */ extern CFeeRate payTxFee; -extern CAmount maxTxFee; extern unsigned int nTxConfirmTarget; extern bool bSpendZeroConfChange; extern bool fSendFreeTransactions; -extern bool fPayAtLeastCustomFee; +extern bool fWalletRbf; +static const unsigned int DEFAULT_KEYPOOL_SIZE = 100; //! -paytxfee default static const CAmount DEFAULT_TRANSACTION_FEE = 0; -//! -paytxfee will warn if called with a higher fee than this amount (in satoshis) per KB -static const CAmount nHighTransactionFeeWarning = 25 * COIN; -//! -maxtxfee default -static const CAmount DEFAULT_TRANSACTION_MAXFEE = 250 * COIN; +//! -fallbackfee default +static const CAmount DEFAULT_FALLBACK_FEE = COIN; +//! -mintxfee default +static const CAmount DEFAULT_TRANSACTION_MINFEE = COIN; +//! minimum recommended increment for BIP 125 replacement txs +static const CAmount WALLET_INCREMENTAL_RELAY_FEE = COIN * 5; +//! target minimum change amount +static const CAmount MIN_CHANGE = CENT; +//! final minimum change amount after paying for fees +static const CAmount MIN_FINAL_CHANGE = MIN_CHANGE/2; +//! Default for -spendzeroconfchange +static const bool DEFAULT_SPEND_ZEROCONF_CHANGE = true; +//! Default for -sendfreetransactions +static const bool DEFAULT_SEND_FREE_TRANSACTIONS = false; +//! Default for -walletrejectlongchains +static const bool DEFAULT_WALLET_REJECT_LONG_CHAINS = false; //! -txconfirmtarget default -static const unsigned int DEFAULT_TX_CONFIRM_TARGET = 2; -//! -maxtxfee will warn if called with a higher fee than this amount (in satoshis) -static const CAmount nHighTransactionMaxFeeWarning = 100 * nHighTransactionFeeWarning; +static const unsigned int DEFAULT_TX_CONFIRM_TARGET = 6; +//! -walletrbf default +static const bool DEFAULT_WALLET_RBF = false; //! Largest (in bytes) free transaction we're willing to create static const unsigned int MAX_FREE_TRANSACTION_CREATE_SIZE = 0; +static const bool DEFAULT_WALLETBROADCAST = true; +static const bool DEFAULT_DISABLE_WALLET = false; +//! if set, all keys will be derived by using BIP32 +static const bool DEFAULT_USE_HD_WALLET = true; + +extern const char * DEFAULT_WALLET_DAT; -class CAccountingEntry; class CBlockIndex; class CCoinControl; class COutput; @@ -69,7 +91,8 @@ enum WalletFeature FEATURE_WALLETCRYPT = 40000, // wallet encryption FEATURE_COMPRPUBKEY = 60000, // compressed public keys - FEATURE_LATEST = 60000 + FEATURE_HD = 130000, // Hierarchical key derivation after BIP32 (HD Wallet) + FEATURE_LATEST = FEATURE_COMPRPUBKEY // HD is optional, use FEATURE_COMPRPUBKEY as latest version }; @@ -86,8 +109,9 @@ public: ADD_SERIALIZE_METHODS; template <typename Stream, typename Operation> - inline void SerializationOp(Stream& s, Operation ser_action, int nType, int nVersion) { - if (!(nType & SER_GETHASH)) + inline void SerializationOp(Stream& s, Operation ser_action) { + int nVersion = s.GetVersion(); + if (!(s.GetType() & SER_GETHASH)) READWRITE(nVersion); READWRITE(nTime); READWRITE(vchPubKey); @@ -120,7 +144,7 @@ struct CRecipient typedef std::map<std::string, std::string> mapValue_t; -static void ReadOrderPos(int64_t& nOrderPos, mapValue_t& mapValue) +static inline void ReadOrderPos(int64_t& nOrderPos, mapValue_t& mapValue) { if (!mapValue.count("n")) { @@ -131,7 +155,7 @@ static void ReadOrderPos(int64_t& nOrderPos, mapValue_t& mapValue) } -static void WriteOrderPos(const int64_t& nOrderPos, mapValue_t& mapValue) +static inline void WriteOrderPos(const int64_t& nOrderPos, mapValue_t& mapValue) { if (nOrderPos == -1) return; @@ -158,11 +182,16 @@ public: mapValue_t mapValue; std::vector<std::pair<std::string, std::string> > vOrderForm; unsigned int fTimeReceivedIsTxTime; - unsigned int nTimeReceived; //! time received by this node + unsigned int nTimeReceived; //!< time received by this node unsigned int nTimeSmart; + /** + * From me flag is set to 1 for transactions that were created by the wallet + * on this bitcoin node, and set to 0 for transactions that were created + * externally and came in through the network or sendrawtransaction RPC. + */ char fFromMe; std::string strFromAccount; - int64_t nOrderPos; //! position in ordered transaction list + int64_t nOrderPos; //!< position in ordered transaction list // memory only mutable bool fDebitCached; @@ -189,17 +218,7 @@ public: Init(NULL); } - CWalletTx(const CWallet* pwalletIn) - { - Init(pwalletIn); - } - - CWalletTx(const CWallet* pwalletIn, const CMerkleTx& txIn) : CMerkleTx(txIn) - { - Init(pwalletIn); - } - - CWalletTx(const CWallet* pwalletIn, const CTransaction& txIn) : CMerkleTx(txIn) + CWalletTx(const CWallet* pwalletIn, CTransactionRef arg) : CMerkleTx(std::move(arg)) { Init(pwalletIn); } @@ -238,7 +257,7 @@ public: ADD_SERIALIZE_METHODS; template <typename Stream, typename Operation> - inline void SerializationOp(Stream& s, Operation ser_action, int nType, int nVersion) { + inline void SerializationOp(Stream& s, Operation ser_action) { if (ser_action.ForRead()) Init(NULL); char fSpent = false; @@ -254,7 +273,7 @@ public: } READWRITE(*(CMerkleTx*)this); - std::vector<CMerkleTx> vUnused; //! Used to be vtxPrev + std::vector<CMerkleTx> vUnused; //!< Used to be vtxPrev READWRITE(vUnused); READWRITE(mapValue); READWRITE(vOrderForm); @@ -284,6 +303,7 @@ public: { fCreditCached = false; fAvailableCreditCached = false; + fImmatureCreditCached = false; fWatchDebitCached = false; fWatchCreditCached = false; fAvailableWatchCreditCached = false; @@ -318,14 +338,16 @@ public: return (GetDebit(filter) > 0); } - bool IsTrusted() const; + // True if only scriptSigs are different + bool IsEquivalentTo(const CWalletTx& tx) const; - bool WriteToDisk(CWalletDB *pwalletdb); + bool InMempool() const; + bool IsTrusted() const; int64_t GetTxTime() const; int GetRequestCount() const; - bool RelayWalletTransaction(); + bool RelayWalletTransaction(CConnman* connman); std::set<uint256> GetConflicts() const; }; @@ -340,10 +362,11 @@ public: int i; int nDepth; bool fSpendable; + bool fSolvable; - COutput(const CWalletTx *txIn, int iIn, int nDepthIn, bool fSpendableIn) + COutput(const CWalletTx *txIn, int iIn, int nDepthIn, bool fSpendableIn, bool fSolvableIn) { - tx = txIn; i = iIn; nDepth = nDepthIn; fSpendable = fSpendableIn; + tx = txIn; i = iIn; nDepth = nDepthIn; fSpendable = fSpendableIn; fSolvable = fSolvableIn; } std::string ToString() const; @@ -368,8 +391,9 @@ public: ADD_SERIALIZE_METHODS; template <typename Stream, typename Operation> - inline void SerializationOp(Stream& s, Operation ser_action, int nType, int nVersion) { - if (!(nType & SER_GETHASH)) + inline void SerializationOp(Stream& s, Operation ser_action) { + int nVersion = s.GetVersion(); + if (!(s.GetType() & SER_GETHASH)) READWRITE(nVersion); READWRITE(vchPrivKey); READWRITE(nTimeCreated); @@ -378,6 +402,87 @@ public: } }; +/** + * Internal transfers. + * Database key is acentry<account><counter>. + */ +class CAccountingEntry +{ +public: + std::string strAccount; + CAmount nCreditDebit; + int64_t nTime; + std::string strOtherAccount; + std::string strComment; + mapValue_t mapValue; + int64_t nOrderPos; //!< position in ordered transaction list + uint64_t nEntryNo; + + CAccountingEntry() + { + SetNull(); + } + + void SetNull() + { + nCreditDebit = 0; + nTime = 0; + strAccount.clear(); + strOtherAccount.clear(); + strComment.clear(); + nOrderPos = -1; + nEntryNo = 0; + } + + ADD_SERIALIZE_METHODS; + + template <typename Stream, typename Operation> + inline void SerializationOp(Stream& s, Operation ser_action) { + int nVersion = s.GetVersion(); + if (!(s.GetType() & SER_GETHASH)) + READWRITE(nVersion); + //! Note: strAccount is serialized as part of the key, not here. + READWRITE(nCreditDebit); + READWRITE(nTime); + READWRITE(LIMITED_STRING(strOtherAccount, 65536)); + + if (!ser_action.ForRead()) + { + WriteOrderPos(nOrderPos, mapValue); + + if (!(mapValue.empty() && _ssExtra.empty())) + { + CDataStream ss(s.GetType(), s.GetVersion()); + ss.insert(ss.begin(), '\0'); + ss << mapValue; + ss.insert(ss.end(), _ssExtra.begin(), _ssExtra.end()); + strComment.append(ss.str()); + } + } + + READWRITE(LIMITED_STRING(strComment, 65536)); + + size_t nSepPos = strComment.find("\0", 0, 1); + if (ser_action.ForRead()) + { + mapValue.clear(); + if (std::string::npos != nSepPos) + { + CDataStream ss(std::vector<char>(strComment.begin() + nSepPos + 1, strComment.end()), s.GetType(), s.GetVersion()); + ss >> mapValue; + _ssExtra = std::vector<char>(ss.begin(), ss.end()); + } + ReadOrderPos(nOrderPos, mapValue); + } + if (std::string::npos != nSepPos) + strComment.erase(nSepPos); + + mapValue.erase("n"); + } + +private: + std::vector<char> _ssExtra; +}; /** @@ -387,7 +492,14 @@ public: class CWallet : public CCryptoKeyStore, public CValidationInterface { private: - bool SelectCoins(const CAmount& nTargetValue, std::set<std::pair<const CWalletTx*,unsigned int> >& setCoinsRet, CAmount& nValueRet, const CCoinControl *coinControl = NULL) const; + static std::atomic<bool> fFlushThreadRunning; + + /** + * Select a set of coins such that nValueRet >= nTargetValue and at least + * all coins from coinControl are selected; Never select unconfirmed coins + * if they are not ours + */ + bool SelectCoins(const std::vector<COutput>& vAvailableCoins, const CAmount& nTargetValue, std::set<std::pair<const CWalletTx*,unsigned int> >& setCoinsRet, CAmount& nValueRet, const CCoinControl *coinControl = NULL) const; CWalletDB *pwalletdbEncryption; @@ -411,8 +523,31 @@ private: void AddToSpends(const COutPoint& outpoint, const uint256& wtxid); void AddToSpends(const uint256& wtxid); + /* Mark a transaction (and its in-wallet descendants) as conflicting with a particular block. */ + void MarkConflicted(const uint256& hashBlock, const uint256& hashTx); + void SyncMetaData(std::pair<TxSpends::iterator, TxSpends::iterator>); + /* the HD chain data model (external chain counters) */ + CHDChain hdChain; + + bool fFileBacked; + + std::set<int64_t> setKeyPool; + + int64_t nTimeFirstKey; + + /** + * Private version of AddWatchOnly method which does not accept a + * timestamp, and which will reset the wallet's nTimeFirstKey value to 1 if + * the watch key did not previously have a timestamp associated with it. + * Because this is an inherited virtual method, it is accessible despite + * being marked private, but it is marked private anyway to encourage use + * of the other AddWatchOnly which accepts a timestamp and sets + * nTimeFirstKey more intelligently for more efficient rescans. + */ + bool AddWatchOnly(const CScript& dest) override; + public: /* * Main wallet lock. @@ -423,11 +558,23 @@ public: */ mutable CCriticalSection cs_wallet; - bool fFileBacked; - std::string strWalletFile; + const std::string strWalletFile; - std::set<int64_t> setKeyPool; - std::map<CKeyID, CKeyMetadata> mapKeyMetadata; + void LoadKeyPool(int nIndex, const CKeyPool &keypool) + { + setKeyPool.insert(nIndex); + + // If no metadata exists yet, create a default with the pool key's + // creation time. Note that this may be overwritten by actually + // stored metadata for that key later, which is fine. + CKeyID keyid = keypool.vchPubKey.GetID(); + if (mapKeyMetadata.count(keyid) == 0) + mapKeyMetadata[keyid] = CKeyMetadata(keypool.nTime); + } + + // Map from Key ID (for regular keys) or Script ID (for watch-only keys) to + // key metadata. + std::map<CTxDestination, CKeyMetadata> mapKeyMetadata; typedef std::map<unsigned int, CMasterKey> MasterKeyMap; MasterKeyMap mapMasterKeys; @@ -438,11 +585,9 @@ public: SetNull(); } - CWallet(std::string strWalletFileIn) + CWallet(const std::string& strWalletFileIn) : strWalletFile(strWalletFileIn) { SetNull(); - - strWalletFile = strWalletFileIn; fFileBacked = true; } @@ -467,6 +612,11 @@ public: } std::map<uint256, CWalletTx> mapWallet; + std::list<CAccountingEntry> laccentries; + + typedef std::pair<CWalletTx*, CAccountingEntry*> TxPair; + typedef std::multimap<int64_t, TxPair > TxItems; + TxItems wtxOrdered; int64_t nOrderPosNext; std::map<uint256, int> mapRequestCount; @@ -477,21 +627,29 @@ public: std::set<COutPoint> setLockedCoins; - int64_t nTimeFirstKey; - const CWalletTx* GetWalletTx(const uint256& hash) const; //! check whether we are allowed to upgrade (or already support) to the named feature bool CanSupportFeature(enum WalletFeature wf) { AssertLockHeld(cs_wallet); return nWalletMaxVersion >= wf; } + /** + * populate vCoins with vector of available COutputs. + */ void AvailableCoins(std::vector<COutput>& vCoins, bool fOnlyConfirmed=true, const CCoinControl *coinControl = NULL, bool fIncludeZeroValue=false) const; - bool SelectCoinsMinConf(const CAmount& nTargetValue, int nConfMine, int nConfTheirs, std::vector<COutput> vCoins, std::set<std::pair<const CWalletTx*,unsigned int> >& setCoinsRet, CAmount& nValueRet) const; + + /** + * Shuffle and select coins until nTargetValue is reached while avoiding + * small change; This method is stochastic for some inputs and upon + * completion the coin set and corresponding actual target value is + * assembled + */ + bool SelectCoinsMinConf(const CAmount& nTargetValue, int nConfMine, int nConfTheirs, uint64_t nMaxAncestors, std::vector<COutput> vCoins, std::set<std::pair<const CWalletTx*,unsigned int> >& setCoinsRet, CAmount& nValueRet) const; bool IsSpent(const uint256& hash, unsigned int n) const; bool IsLockedCoin(uint256 hash, unsigned int n) const; - void LockCoin(COutPoint& output); - void UnlockCoin(COutPoint& output); + void LockCoin(const COutPoint& output); + void UnlockCoin(const COutPoint& output); void UnlockAllCoins(); void ListLockedCoins(std::vector<COutPoint>& vOutpts); @@ -500,20 +658,22 @@ public: * Generate a new key */ CPubKey GenerateNewKey(); + void DeriveNewChildKey(CKeyMetadata& metadata, CKey& secret); //! Adds a key to the store, and saves it to disk. - bool AddKeyPubKey(const CKey& key, const CPubKey &pubkey); + bool AddKeyPubKey(const CKey& key, const CPubKey &pubkey) override; //! Adds a key to the store, without saving it to disk (used by LoadWallet) bool LoadKey(const CKey& key, const CPubKey &pubkey) { return CCryptoKeyStore::AddKeyPubKey(key, pubkey); } //! Load metadata (used by LoadWallet) - bool LoadKeyMetadata(const CPubKey &pubkey, const CKeyMetadata &metadata); + bool LoadKeyMetadata(const CTxDestination& pubKey, const CKeyMetadata &metadata); bool LoadMinVersion(int nVersion) { AssertLockHeld(cs_wallet); nWalletVersion = nVersion; nWalletMaxVersion = std::max(nWalletMaxVersion, nVersion); return true; } + void UpdateTimeFirstKey(int64_t nCreateTime); //! Adds an encrypted key to the store, and saves it to disk. - bool AddCryptedKey(const CPubKey &vchPubKey, const std::vector<unsigned char> &vchCryptedSecret); + bool AddCryptedKey(const CPubKey &vchPubKey, const std::vector<unsigned char> &vchCryptedSecret) override; //! Adds an encrypted key to the store, without saving it to disk (used by LoadWallet) bool LoadCryptedKey(const CPubKey &vchPubKey, const std::vector<unsigned char> &vchCryptedSecret); - bool AddCScript(const CScript& redeemScript); + bool AddCScript(const CScript& redeemScript) override; bool LoadCScript(const CScript& redeemScript); //! Adds a destination data tuple to the store, and saves it to disk @@ -526,8 +686,8 @@ public: bool GetDestData(const CTxDestination &dest, const std::string &key, std::string *value) const; //! Adds a watch-only address to the store, and saves it to disk. - bool AddWatchOnly(const CScript &dest); - bool RemoveWatchOnly(const CScript &dest); + bool AddWatchOnly(const CScript& dest, int64_t nCreateTime); + bool RemoveWatchOnly(const CScript &dest) override; //! Adds a watch-only address to the store, without saving it to disk (used by LoadWallet) bool LoadWatchOnly(const CScript &dest); @@ -535,45 +695,76 @@ public: bool ChangeWalletPassphrase(const SecureString& strOldWalletPassphrase, const SecureString& strNewWalletPassphrase); bool EncryptWallet(const SecureString& strWalletPassphrase); - void GetKeyBirthTimes(std::map<CKeyID, int64_t> &mapKeyBirth) const; + void GetKeyBirthTimes(std::map<CTxDestination, int64_t> &mapKeyBirth) const; /** * Increment the next transaction order id * @return next transaction order id */ int64_t IncOrderPosNext(CWalletDB *pwalletdb = NULL); - - typedef std::pair<CWalletTx*, CAccountingEntry*> TxPair; - typedef std::multimap<int64_t, TxPair > TxItems; - - /** - * Get the wallet's activity log - * @return multimap of ordered transactions and accounting entries - * @warning Returned pointers are *only* valid within the scope of passed acentries - */ - TxItems OrderedTxItems(std::list<CAccountingEntry>& acentries, std::string strAccount = ""); + DBErrors ReorderTransactions(); + bool AccountMove(std::string strFrom, std::string strTo, CAmount nAmount, std::string strComment = ""); + bool GetAccountPubkey(CPubKey &pubKey, std::string strAccount, bool bForceNew = false); void MarkDirty(); - bool AddToWallet(const CWalletTx& wtxIn, bool fFromLoadWallet, CWalletDB* pwalletdb); - void SyncTransaction(const CTransaction& tx, const CBlock* pblock); - bool AddToWalletIfInvolvingMe(const CTransaction& tx, const CBlock* pblock, bool fUpdate); - void EraseFromWallet(const uint256 &hash); - int ScanForWalletTransactions(CBlockIndex* pindexStart, bool fUpdate = false); + bool AddToWallet(const CWalletTx& wtxIn, bool fFlushOnClose=true); + bool LoadToWallet(const CWalletTx& wtxIn); + void SyncTransaction(const CTransaction& tx, const CBlockIndex *pindex, int posInBlock) override; + bool AddToWalletIfInvolvingMe(const CTransaction& tx, const CBlockIndex* pIndex, int posInBlock, bool fUpdate); + CBlockIndex* ScanForWalletTransactions(CBlockIndex* pindexStart, bool fUpdate = false); void ReacceptWalletTransactions(); - void ResendWalletTransactions(int64_t nBestBlockTime); - std::vector<uint256> ResendWalletTransactionsBefore(int64_t nTime); + void ResendWalletTransactions(int64_t nBestBlockTime, CConnman* connman) override; + std::vector<uint256> ResendWalletTransactionsBefore(int64_t nTime, CConnman* connman); CAmount GetBalance() const; CAmount GetUnconfirmedBalance() const; CAmount GetImmatureBalance() const; CAmount GetWatchOnlyBalance() const; CAmount GetUnconfirmedWatchOnlyBalance() const; CAmount GetImmatureWatchOnlyBalance() const; - bool CreateTransaction(const std::vector<CRecipient>& vecSend, - CWalletTx& wtxNew, CReserveKey& reservekey, CAmount& nFeeRet, int& nChangePosRet, std::string& strFailReason, const CCoinControl *coinControl = NULL); - bool CommitTransaction(CWalletTx& wtxNew, CReserveKey& reservekey); + + /** + * Insert additional inputs into the transaction by + * calling CreateTransaction(); + */ + bool FundTransaction(CMutableTransaction& tx, CAmount& nFeeRet, bool overrideEstimatedFeeRate, const CFeeRate& specificFeeRate, int& nChangePosInOut, std::string& strFailReason, bool includeWatching, bool lockUnspents, const std::set<int>& setSubtractFeeFromOutputs, bool keepReserveKey = true, const CTxDestination& destChange = CNoDestination()); + + /** + * Create a new transaction paying the recipients with a set of coins + * selected by SelectCoins(); Also create the change output, when needed + * @note passing nChangePosInOut as -1 will result in setting a random position + */ + bool CreateTransaction(const std::vector<CRecipient>& vecSend, CWalletTx& wtxNew, CReserveKey& reservekey, CAmount& nFeeRet, int& nChangePosInOut, + std::string& strFailReason, const CCoinControl *coinControl = NULL, bool sign = true); + bool CommitTransaction(CWalletTx& wtxNew, CReserveKey& reservekey, CConnman* connman, CValidationState& state); + + void ListAccountCreditDebit(const std::string& strAccount, std::list<CAccountingEntry>& entries); + bool AddAccountingEntry(const CAccountingEntry&); + bool AddAccountingEntry(const CAccountingEntry&, CWalletDB *pwalletdb); + template <typename ContainerType> + bool DummySignTx(CMutableTransaction &txNew, const ContainerType &coins); static CFeeRate minTxFee; + static CFeeRate fallbackFee; + /** + * Estimate the minimum fee considering user set parameters + * and the required fee + */ static CAmount GetMinimumFee(const CMutableTransaction& tx, unsigned int nTxBytes, unsigned int nConfirmTarget, const CTxMemPool& pool); + /** + * Estimate the minimum fee considering required fee and targetFee or if 0 + * then fee estimation for nConfirmTarget + */ + static CAmount GetMinimumFee(const CMutableTransaction& tx, unsigned int nTxBytes, unsigned int nConfirmTarget, const CTxMemPool& pool, CAmount targetFee); + /** + * Return the minimum required fee taking into account the + * floating relay fee and user set minimum transaction fee + */ + static CAmount GetRequiredFee(const CMutableTransaction& tx, unsigned int nTxBytes); + /** + * Return the minimum required fee taking into account the + * floating relay fee and user set minimum transaction fee, but not the Dogecoin dust fee. + */ + static CAmount GetRequiredFee(unsigned int nTxBytes); bool NewKeyPool(); bool TopUpKeyPool(unsigned int kpSize = 0); @@ -587,9 +778,15 @@ public: std::set< std::set<CTxDestination> > GetAddressGroupings(); std::map<CTxDestination, CAmount> GetAddressBalances(); - std::set<CTxDestination> GetAccountAddresses(std::string strAccount) const; + CAmount GetAccountBalance(const std::string& strAccount, int nMinDepth, const isminefilter& filter); + CAmount GetAccountBalance(CWalletDB& walletdb, const std::string& strAccount, int nMinDepth, const isminefilter& filter); + std::set<CTxDestination> GetAccountAddresses(const std::string& strAccount) const; isminetype IsMine(const CTxIn& txin) const; + /** + * Returns amount of debit if the input matches the + * filter, otherwise returns 0 + */ CAmount GetDebit(const CTxIn& txin, const isminefilter& filter) const; isminetype IsMine(const CTxOut& txout) const; CAmount GetCredit(const CTxOut& txout, const isminefilter& filter) const; @@ -599,20 +796,23 @@ public: /** should probably be renamed to IsRelevantToMe */ bool IsFromMe(const CTransaction& tx) const; CAmount GetDebit(const CTransaction& tx, const isminefilter& filter) const; + /** Returns whether all of the inputs match the filter */ + bool IsAllFromMe(const CTransaction& tx, const isminefilter& filter) const; CAmount GetCredit(const CTransaction& tx, const isminefilter& filter) const; CAmount GetChange(const CTransaction& tx) const; - void SetBestChain(const CBlockLocator& loc); + void SetBestChain(const CBlockLocator& loc) override; DBErrors LoadWallet(bool& fFirstRunRet); DBErrors ZapWalletTx(std::vector<CWalletTx>& vWtx); + DBErrors ZapSelectTx(std::vector<uint256>& vHashIn, std::vector<uint256>& vHashOut); bool SetAddressBook(const CTxDestination& address, const std::string& strName, const std::string& purpose); bool DelAddressBook(const CTxDestination& address); - void UpdatedTransaction(const uint256 &hashTx); + void UpdatedTransaction(const uint256 &hashTx) override; - void Inventory(const uint256 &hash) + void Inventory(const uint256 &hash) override { { LOCK(cs_wallet); @@ -622,6 +822,13 @@ public: } } + void GetScriptForMining(boost::shared_ptr<CReserveScript> &script) override; + void ResetRequestCount(const uint256 &hash) override + { + LOCK(cs_wallet); + mapRequestCount[hash] = 0; + }; + unsigned int GetKeyPoolSize() { AssertLockHeld(cs_wallet); // setKeyPool @@ -642,11 +849,14 @@ public: //! Get wallet transactions that conflict with given transaction (spend same outputs) std::set<uint256> GetConflicts(const uint256& txid) const; + //! Check if a given transaction has any of its outputs spent by another transaction in the wallet + bool HasWalletSpend(const uint256& txid) const; + //! Flush wallet (bitdb flush) void Flush(bool shutdown=false); //! Verify the wallet database and perform salvage if required - static bool Verify(const std::string& walletFile, std::string& warningString, std::string& errorString); + static bool Verify(); /** * Address book entry changed. @@ -674,10 +884,47 @@ public: bool GetBroadcastTransactions() const { return fBroadcastTransactions; } /** Set whether this wallet broadcasts transactions. */ void SetBroadcastTransactions(bool broadcast) { fBroadcastTransactions = broadcast; } + + /* Mark a transaction (and it in-wallet descendants) as abandoned so its inputs may be respent. */ + bool AbandonTransaction(const uint256& hashTx); + + /** Mark a transaction as replaced by another transaction (e.g., BIP 125). */ + bool MarkReplaced(const uint256& originalHash, const uint256& newHash); + + /* Returns the wallets help message */ + static std::string GetWalletHelpString(bool showDebug); + + /* Initializes the wallet, returns a new CWallet instance or a null pointer in case of an error */ + static CWallet* CreateWalletFromFile(const std::string walletFile); + static bool InitLoadWallet(); + + /** + * Wallet post-init setup + * Gives the wallet a chance to register repetitive tasks and complete post-init tasks + */ + void postInitProcess(boost::thread_group& threadGroup); + + /* Wallets parameter interaction */ + static bool ParameterInteraction(); + + bool BackupWallet(const std::string& strDest); + + /* Set the HD chain model (chain child index counters) */ + bool SetHDChain(const CHDChain& chain, bool memonly); + const CHDChain& GetHDChain() { return hdChain; } + + /* Returns true if HD is enabled */ + bool IsHDEnabled(); + + /* Generates a new HD master key (will not be activated) */ + CPubKey GenerateNewHDMasterKey(); + + /* Set the current HD master key (will reset the chain child index counters) */ + bool SetHDMasterKey(const CPubKey& key); }; /** A key allocated from the key pool. */ -class CReserveKey +class CReserveKey : public CReserveScript { protected: CWallet* pwallet; @@ -698,6 +945,7 @@ public: void ReturnKey(); bool GetReservedKey(CPubKey &pubkey); void KeepKey(); + void KeepScript() { KeepKey(); } }; @@ -723,94 +971,36 @@ public: ADD_SERIALIZE_METHODS; template <typename Stream, typename Operation> - inline void SerializationOp(Stream& s, Operation ser_action, int nType, int nVersion) { - if (!(nType & SER_GETHASH)) + inline void SerializationOp(Stream& s, Operation ser_action) { + int nVersion = s.GetVersion(); + if (!(s.GetType() & SER_GETHASH)) READWRITE(nVersion); READWRITE(vchPubKey); } }; - - -/** - * Internal transfers. - * Database key is acentry<account><counter>. - */ -class CAccountingEntry +// Helper for producing a bunch of max-sized low-S signatures (eg 72 bytes) +// ContainerType is meant to hold pair<CWalletTx *, int>, and be iterable +// so that each entry corresponds to each vIn, in order. +template <typename ContainerType> +bool CWallet::DummySignTx(CMutableTransaction &txNew, const ContainerType &coins) { -public: - std::string strAccount; - CAmount nCreditDebit; - int64_t nTime; - std::string strOtherAccount; - std::string strComment; - mapValue_t mapValue; - int64_t nOrderPos; //! position in ordered transaction list - uint64_t nEntryNo; - - CAccountingEntry() - { - SetNull(); - } - - void SetNull() + // Fill in dummy signatures for fee calculation. + int nIn = 0; + for (const auto& coin : coins) { - nCreditDebit = 0; - nTime = 0; - strAccount.clear(); - strOtherAccount.clear(); - strComment.clear(); - nOrderPos = -1; - nEntryNo = 0; - } - - ADD_SERIALIZE_METHODS; - - template <typename Stream, typename Operation> - inline void SerializationOp(Stream& s, Operation ser_action, int nType, int nVersion) { - if (!(nType & SER_GETHASH)) - READWRITE(nVersion); - //! Note: strAccount is serialized as part of the key, not here. - READWRITE(nCreditDebit); - READWRITE(nTime); - READWRITE(LIMITED_STRING(strOtherAccount, 65536)); - - if (!ser_action.ForRead()) - { - WriteOrderPos(nOrderPos, mapValue); + const CScript& scriptPubKey = coin.first->tx->vout[coin.second].scriptPubKey; + SignatureData sigdata; - if (!(mapValue.empty() && _ssExtra.empty())) - { - CDataStream ss(nType, nVersion); - ss.insert(ss.begin(), '\0'); - ss << mapValue; - ss.insert(ss.end(), _ssExtra.begin(), _ssExtra.end()); - strComment.append(ss.str()); - } - } - - READWRITE(LIMITED_STRING(strComment, 65536)); - - size_t nSepPos = strComment.find("\0", 0, 1); - if (ser_action.ForRead()) + if (!ProduceSignature(DummySignatureCreator(this), scriptPubKey, sigdata)) { - mapValue.clear(); - if (std::string::npos != nSepPos) - { - CDataStream ss(std::vector<char>(strComment.begin() + nSepPos + 1, strComment.end()), nType, nVersion); - ss >> mapValue; - _ssExtra = std::vector<char>(ss.begin(), ss.end()); - } - ReadOrderPos(nOrderPos, mapValue); + return false; + } else { + UpdateTransaction(txNew, nIn, sigdata); } - if (std::string::npos != nSepPos) - strComment.erase(nSepPos); - mapValue.erase("n"); + nIn++; } - -private: - std::vector<char> _ssExtra; -}; - + return true; +} #endif // BITCOIN_WALLET_WALLET_H |