c66adb286a
99ba0c3 Don't use pass by reference to const for cheaply-copied types (bool, char, etc.). (practicalswift)
Pull request description:
Don't use pass by reference to const for cheaply-copied types (`bool`, `char`, etc.).
Tree-SHA512: ccad5e2695dff0b3d6de3e713ff3448f2981168cdac72d73bee10ad346b9919d8d4d588933369e54657a244b8b222fa0bef919bc56d983e1fa64b2004e51b225
1221 lines
42 KiB
C++
1221 lines
42 KiB
C++
// Copyright (c) 2009-2010 Satoshi Nakamoto
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// Copyright (c) 2009-2016 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#ifndef BITCOIN_WALLET_WALLET_H
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#define BITCOIN_WALLET_WALLET_H
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#include <amount.h>
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#include <policy/feerate.h>
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#include <streams.h>
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#include <tinyformat.h>
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#include <ui_interface.h>
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#include <utilstrencodings.h>
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#include <validationinterface.h>
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#include <script/ismine.h>
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#include <script/sign.h>
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#include <wallet/crypter.h>
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#include <wallet/walletdb.h>
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#include <wallet/rpcwallet.h>
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#include <algorithm>
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#include <atomic>
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#include <map>
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#include <set>
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#include <stdexcept>
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#include <stdint.h>
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#include <string>
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#include <utility>
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#include <vector>
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typedef CWallet* CWalletRef;
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extern std::vector<CWalletRef> vpwallets;
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/**
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* Settings
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*/
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extern CFeeRate payTxFee;
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extern unsigned int nTxConfirmTarget;
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extern bool bSpendZeroConfChange;
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extern bool fWalletRbf;
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static const unsigned int DEFAULT_KEYPOOL_SIZE = 1000;
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//! -paytxfee default
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static const CAmount DEFAULT_TRANSACTION_FEE = 0;
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//! -fallbackfee default
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static const CAmount DEFAULT_FALLBACK_FEE = 20000;
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//! -m_discard_rate default
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static const CAmount DEFAULT_DISCARD_FEE = 10000;
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//! -mintxfee default
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static const CAmount DEFAULT_TRANSACTION_MINFEE = 1000;
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//! minimum recommended increment for BIP 125 replacement txs
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static const CAmount WALLET_INCREMENTAL_RELAY_FEE = 5000;
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//! target minimum change amount
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static const CAmount MIN_CHANGE = CENT;
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//! final minimum change amount after paying for fees
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static const CAmount MIN_FINAL_CHANGE = MIN_CHANGE/2;
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//! Default for -spendzeroconfchange
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static const bool DEFAULT_SPEND_ZEROCONF_CHANGE = true;
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//! Default for -walletrejectlongchains
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static const bool DEFAULT_WALLET_REJECT_LONG_CHAINS = false;
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//! -txconfirmtarget default
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static const unsigned int DEFAULT_TX_CONFIRM_TARGET = 6;
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//! -walletrbf default
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static const bool DEFAULT_WALLET_RBF = false;
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static const bool DEFAULT_WALLETBROADCAST = true;
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static const bool DEFAULT_DISABLE_WALLET = false;
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extern const char * DEFAULT_WALLET_DAT;
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static const int64_t TIMESTAMP_MIN = 0;
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class CBlockIndex;
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class CCoinControl;
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class COutput;
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class CReserveKey;
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class CScript;
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class CScheduler;
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class CTxMemPool;
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class CBlockPolicyEstimator;
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class CWalletTx;
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struct FeeCalculation;
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enum class FeeEstimateMode;
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/** (client) version numbers for particular wallet features */
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enum WalletFeature
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{
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FEATURE_BASE = 10500, // the earliest version new wallets supports (only useful for getwalletinfo's clientversion output)
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FEATURE_WALLETCRYPT = 40000, // wallet encryption
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FEATURE_COMPRPUBKEY = 60000, // compressed public keys
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FEATURE_HD = 130000, // Hierarchical key derivation after BIP32 (HD Wallet)
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FEATURE_HD_SPLIT = 139900, // Wallet with HD chain split (change outputs will use m/0'/1'/k)
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FEATURE_NO_DEFAULT_KEY = 159900, // Wallet without a default key written
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FEATURE_LATEST = FEATURE_COMPRPUBKEY // HD is optional, use FEATURE_COMPRPUBKEY as latest version
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};
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/** A key pool entry */
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class CKeyPool
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{
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public:
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int64_t nTime;
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CPubKey vchPubKey;
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bool fInternal; // for change outputs
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CKeyPool();
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CKeyPool(const CPubKey& vchPubKeyIn, bool internalIn);
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ADD_SERIALIZE_METHODS;
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template <typename Stream, typename Operation>
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inline void SerializationOp(Stream& s, Operation ser_action) {
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int nVersion = s.GetVersion();
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if (!(s.GetType() & SER_GETHASH))
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READWRITE(nVersion);
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READWRITE(nTime);
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READWRITE(vchPubKey);
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if (ser_action.ForRead()) {
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try {
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READWRITE(fInternal);
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}
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catch (std::ios_base::failure&) {
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/* flag as external address if we can't read the internal boolean
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(this will be the case for any wallet before the HD chain split version) */
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fInternal = false;
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}
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}
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else {
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READWRITE(fInternal);
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}
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}
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};
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/** Address book data */
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class CAddressBookData
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{
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public:
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std::string name;
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std::string purpose;
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CAddressBookData() : purpose("unknown") {}
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typedef std::map<std::string, std::string> StringMap;
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StringMap destdata;
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};
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struct CRecipient
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{
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CScript scriptPubKey;
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CAmount nAmount;
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bool fSubtractFeeFromAmount;
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};
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typedef std::map<std::string, std::string> mapValue_t;
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static inline void ReadOrderPos(int64_t& nOrderPos, mapValue_t& mapValue)
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{
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if (!mapValue.count("n"))
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{
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nOrderPos = -1; // TODO: calculate elsewhere
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return;
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}
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nOrderPos = atoi64(mapValue["n"].c_str());
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}
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static inline void WriteOrderPos(const int64_t& nOrderPos, mapValue_t& mapValue)
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{
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if (nOrderPos == -1)
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return;
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mapValue["n"] = i64tostr(nOrderPos);
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}
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struct COutputEntry
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{
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CTxDestination destination;
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CAmount amount;
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int vout;
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};
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/** A transaction with a merkle branch linking it to the block chain. */
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class CMerkleTx
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{
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private:
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/** Constant used in hashBlock to indicate tx has been abandoned */
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static const uint256 ABANDON_HASH;
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public:
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CTransactionRef tx;
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uint256 hashBlock;
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/* An nIndex == -1 means that hashBlock (in nonzero) refers to the earliest
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* block in the chain we know this or any in-wallet dependency conflicts
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* with. Older clients interpret nIndex == -1 as unconfirmed for backward
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* compatibility.
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*/
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int nIndex;
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CMerkleTx()
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{
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SetTx(MakeTransactionRef());
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Init();
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}
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explicit CMerkleTx(CTransactionRef arg)
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{
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SetTx(std::move(arg));
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Init();
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}
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void Init()
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{
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hashBlock = uint256();
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nIndex = -1;
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}
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void SetTx(CTransactionRef arg)
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{
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tx = std::move(arg);
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}
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ADD_SERIALIZE_METHODS;
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template <typename Stream, typename Operation>
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inline void SerializationOp(Stream& s, Operation ser_action) {
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std::vector<uint256> vMerkleBranch; // For compatibility with older versions.
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READWRITE(tx);
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READWRITE(hashBlock);
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READWRITE(vMerkleBranch);
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READWRITE(nIndex);
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}
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void SetMerkleBranch(const CBlockIndex* pIndex, int posInBlock);
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/**
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* Return depth of transaction in blockchain:
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* <0 : conflicts with a transaction this deep in the blockchain
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* 0 : in memory pool, waiting to be included in a block
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* >=1 : this many blocks deep in the main chain
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*/
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int GetDepthInMainChain(const CBlockIndex* &pindexRet) const;
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int GetDepthInMainChain() const { const CBlockIndex *pindexRet; return GetDepthInMainChain(pindexRet); }
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bool IsInMainChain() const { const CBlockIndex *pindexRet; return GetDepthInMainChain(pindexRet) > 0; }
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int GetBlocksToMaturity() const;
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bool hashUnset() const { return (hashBlock.IsNull() || hashBlock == ABANDON_HASH); }
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bool isAbandoned() const { return (hashBlock == ABANDON_HASH); }
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void setAbandoned() { hashBlock = ABANDON_HASH; }
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const uint256& GetHash() const { return tx->GetHash(); }
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bool IsCoinBase() const { return tx->IsCoinBase(); }
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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 about.
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* It includes any unrecorded transactions needed to link it back to the block chain.
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*/
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class CWalletTx : public CMerkleTx
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{
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private:
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const CWallet* pwallet;
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public:
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/**
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* Key/value map with information about the transaction.
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*
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* The following keys can be read and written through the map and are
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* serialized in the wallet database:
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*
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* "comment", "to" - comment strings provided to sendtoaddress,
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* sendfrom, sendmany wallet RPCs
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* "replaces_txid" - txid (as HexStr) of transaction replaced by
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* bumpfee on transaction created by bumpfee
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* "replaced_by_txid" - txid (as HexStr) of transaction created by
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* bumpfee on transaction replaced by bumpfee
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* "from", "message" - obsolete fields that could be set in UI prior to
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* 2011 (removed in commit 4d9b223)
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*
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* The following keys are serialized in the wallet database, but shouldn't
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* be read or written through the map (they will be temporarily added and
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* removed from the map during serialization):
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*
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* "fromaccount" - serialized strFromAccount value
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* "n" - serialized nOrderPos value
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* "timesmart" - serialized nTimeSmart value
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* "spent" - serialized vfSpent value that existed prior to
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* 2014 (removed in commit 93a18a3)
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*/
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mapValue_t 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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/**
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* Stable timestamp that never changes, and reflects the order a transaction
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* was added to the wallet. Timestamp is based on the block time for a
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* transaction added as part of a block, or else the time when the
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* transaction was received if it wasn't part of a block, with the timestamp
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* adjusted in both cases so timestamp order matches the order transactions
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* were added to the wallet. More details can be found in
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* CWallet::ComputeTimeSmart().
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*/
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unsigned int nTimeSmart;
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/**
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* From me flag is set to 1 for transactions that were created by the wallet
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* on this bitcoin node, and set to 0 for transactions that were created
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* externally and came in through the network or sendrawtransaction RPC.
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*/
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char fFromMe;
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std::string strFromAccount;
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int64_t nOrderPos; //!< position in ordered transaction list
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// memory only
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mutable bool fDebitCached;
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mutable bool fCreditCached;
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mutable bool fImmatureCreditCached;
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mutable bool fAvailableCreditCached;
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mutable bool fWatchDebitCached;
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mutable bool fWatchCreditCached;
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mutable bool fImmatureWatchCreditCached;
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mutable bool fAvailableWatchCreditCached;
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mutable bool fChangeCached;
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mutable bool fInMempool;
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mutable CAmount nDebitCached;
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mutable CAmount nCreditCached;
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mutable CAmount nImmatureCreditCached;
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mutable CAmount nAvailableCreditCached;
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mutable CAmount nWatchDebitCached;
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mutable CAmount nWatchCreditCached;
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mutable CAmount nImmatureWatchCreditCached;
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mutable CAmount nAvailableWatchCreditCached;
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mutable CAmount nChangeCached;
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CWalletTx()
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{
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Init(nullptr);
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}
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CWalletTx(const CWallet* pwalletIn, CTransactionRef arg) : CMerkleTx(std::move(arg))
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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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mapValue.clear();
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vOrderForm.clear();
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fTimeReceivedIsTxTime = false;
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nTimeReceived = 0;
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nTimeSmart = 0;
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fFromMe = false;
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strFromAccount.clear();
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fDebitCached = false;
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fCreditCached = false;
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fImmatureCreditCached = false;
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fAvailableCreditCached = false;
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fWatchDebitCached = false;
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fWatchCreditCached = false;
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fImmatureWatchCreditCached = false;
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fAvailableWatchCreditCached = false;
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fChangeCached = false;
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fInMempool = false;
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nDebitCached = 0;
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nCreditCached = 0;
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nImmatureCreditCached = 0;
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nAvailableCreditCached = 0;
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nWatchDebitCached = 0;
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nWatchCreditCached = 0;
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nAvailableWatchCreditCached = 0;
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nImmatureWatchCreditCached = 0;
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nChangeCached = 0;
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nOrderPos = -1;
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}
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ADD_SERIALIZE_METHODS;
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template <typename Stream, typename Operation>
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inline void SerializationOp(Stream& s, Operation ser_action) {
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if (ser_action.ForRead())
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Init(nullptr);
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char fSpent = false;
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if (!ser_action.ForRead())
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{
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mapValue["fromaccount"] = strFromAccount;
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WriteOrderPos(nOrderPos, mapValue);
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if (nTimeSmart)
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mapValue["timesmart"] = strprintf("%u", nTimeSmart);
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}
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READWRITE(*(CMerkleTx*)this);
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std::vector<CMerkleTx> vUnused; //!< Used to be vtxPrev
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READWRITE(vUnused);
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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 (ser_action.ForRead())
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{
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strFromAccount = mapValue["fromaccount"];
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ReadOrderPos(nOrderPos, mapValue);
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nTimeSmart = mapValue.count("timesmart") ? (unsigned int)atoi64(mapValue["timesmart"]) : 0;
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}
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mapValue.erase("fromaccount");
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mapValue.erase("spent");
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mapValue.erase("n");
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mapValue.erase("timesmart");
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}
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//! make sure balances are recalculated
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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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fImmatureCreditCached = false;
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fWatchDebitCached = false;
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fWatchCreditCached = false;
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fAvailableWatchCreditCached = false;
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fImmatureWatchCreditCached = false;
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fDebitCached = false;
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fChangeCached = false;
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}
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void BindWallet(CWallet *pwalletIn)
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{
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pwallet = pwalletIn;
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MarkDirty();
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}
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//! filter decides which addresses will count towards the debit
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CAmount GetDebit(const isminefilter& filter) const;
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CAmount GetCredit(const isminefilter& filter) const;
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CAmount GetImmatureCredit(bool fUseCache=true) const;
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CAmount GetAvailableCredit(bool fUseCache=true) const;
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CAmount GetImmatureWatchOnlyCredit(const bool fUseCache=true) const;
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CAmount GetAvailableWatchOnlyCredit(const bool fUseCache=true) const;
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CAmount GetChange() const;
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void GetAmounts(std::list<COutputEntry>& listReceived,
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std::list<COutputEntry>& listSent, CAmount& nFee, std::string& strSentAccount, const isminefilter& filter) const;
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bool IsFromMe(const isminefilter& filter) const
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{
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return (GetDebit(filter) > 0);
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}
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// True if only scriptSigs are different
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bool IsEquivalentTo(const CWalletTx& tx) const;
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bool InMempool() const;
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bool IsTrusted() const;
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int64_t GetTxTime() const;
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int GetRequestCount() const;
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// RelayWalletTransaction may only be called if fBroadcastTransactions!
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bool RelayWalletTransaction(CConnman* connman);
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/** Pass this transaction to the mempool. Fails if absolute fee exceeds absurd fee. */
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bool AcceptToMemoryPool(const CAmount& nAbsurdFee, CValidationState& state);
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std::set<uint256> GetConflicts() const;
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};
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class CInputCoin {
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public:
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CInputCoin(const CWalletTx* walletTx, unsigned int i)
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{
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if (!walletTx)
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throw std::invalid_argument("walletTx should not be null");
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if (i >= walletTx->tx->vout.size())
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throw std::out_of_range("The output index is out of range");
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outpoint = COutPoint(walletTx->GetHash(), i);
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txout = walletTx->tx->vout[i];
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}
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COutPoint outpoint;
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CTxOut txout;
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bool operator<(const CInputCoin& rhs) const {
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return outpoint < rhs.outpoint;
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}
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bool operator!=(const CInputCoin& rhs) const {
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return outpoint != rhs.outpoint;
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}
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bool operator==(const CInputCoin& rhs) const {
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return outpoint == rhs.outpoint;
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}
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};
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class COutput
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{
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public:
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const CWalletTx *tx;
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int i;
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int nDepth;
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/** Whether we have the private keys to spend this output */
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bool fSpendable;
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/** Whether we know how to spend this output, ignoring the lack of keys */
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bool fSolvable;
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/**
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* Whether this output is considered safe to spend. Unconfirmed transactions
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* from outside keys and unconfirmed replacement transactions are considered
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* unsafe and will not be used to fund new spending transactions.
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*/
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bool fSafe;
|
|
|
|
COutput(const CWalletTx *txIn, int iIn, int nDepthIn, bool fSpendableIn, bool fSolvableIn, bool fSafeIn)
|
|
{
|
|
tx = txIn; i = iIn; nDepth = nDepthIn; fSpendable = fSpendableIn; fSolvable = fSolvableIn; fSafe = fSafeIn;
|
|
}
|
|
|
|
std::string ToString() const;
|
|
};
|
|
|
|
|
|
|
|
|
|
/** Private key that includes an expiration date in case it never gets used. */
|
|
class CWalletKey
|
|
{
|
|
public:
|
|
CPrivKey vchPrivKey;
|
|
int64_t nTimeCreated;
|
|
int64_t nTimeExpires;
|
|
std::string strComment;
|
|
//! todo: add something to note what created it (user, getnewaddress, change)
|
|
//! maybe should have a map<string, string> property map
|
|
|
|
explicit CWalletKey(int64_t nExpires=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);
|
|
READWRITE(vchPrivKey);
|
|
READWRITE(nTimeCreated);
|
|
READWRITE(nTimeExpires);
|
|
READWRITE(LIMITED_STRING(strComment, 65536));
|
|
}
|
|
};
|
|
|
|
/**
|
|
* 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;
|
|
};
|
|
|
|
|
|
/**
|
|
* 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 final : public CCryptoKeyStore, public CValidationInterface
|
|
{
|
|
private:
|
|
static std::atomic<bool> fFlushScheduled;
|
|
std::atomic<bool> fAbortRescan;
|
|
std::atomic<bool> fScanningWallet;
|
|
|
|
/**
|
|
* 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<CInputCoin>& setCoinsRet, CAmount& nValueRet, const CCoinControl *coinControl = nullptr) const;
|
|
|
|
CWalletDB *pwalletdbEncryption;
|
|
|
|
//! the current wallet version: clients below this version are not able to load the wallet
|
|
int nWalletVersion;
|
|
|
|
//! the maximum wallet format version: memory-only variable that specifies to what version this wallet may be upgraded
|
|
int nWalletMaxVersion;
|
|
|
|
int64_t nNextResend;
|
|
int64_t nLastResend;
|
|
bool fBroadcastTransactions;
|
|
|
|
/**
|
|
* Used to keep track of spent outpoints, and
|
|
* detect and report conflicts (double-spends or
|
|
* mutated transactions where the mutant gets mined).
|
|
*/
|
|
typedef std::multimap<COutPoint, uint256> TxSpends;
|
|
TxSpends mapTxSpends;
|
|
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>);
|
|
|
|
/* Used by TransactionAddedToMemorypool/BlockConnected/Disconnected.
|
|
* Should be called with pindexBlock and posInBlock if this is for a transaction that is included in a block. */
|
|
void SyncTransaction(const CTransactionRef& tx, const CBlockIndex *pindex = nullptr, int posInBlock = 0);
|
|
|
|
/* the HD chain data model (external chain counters) */
|
|
CHDChain hdChain;
|
|
|
|
/* HD derive new child key (on internal or external chain) */
|
|
void DeriveNewChildKey(CWalletDB &walletdb, CKeyMetadata& metadata, CKey& secret, bool internal = false);
|
|
|
|
std::set<int64_t> setInternalKeyPool;
|
|
std::set<int64_t> setExternalKeyPool;
|
|
int64_t m_max_keypool_index;
|
|
std::map<CKeyID, int64_t> m_pool_key_to_index;
|
|
|
|
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;
|
|
|
|
std::unique_ptr<CWalletDBWrapper> dbw;
|
|
|
|
/**
|
|
* The following is used to keep track of how far behind the wallet is
|
|
* from the chain sync, and to allow clients to block on us being caught up.
|
|
*
|
|
* Note that this is *not* how far we've processed, we may need some rescan
|
|
* to have seen all transactions in the chain, but is only used to track
|
|
* live BlockConnected callbacks.
|
|
*
|
|
* Protected by cs_main (see BlockUntilSyncedToCurrentChain)
|
|
*/
|
|
const CBlockIndex* m_last_block_processed;
|
|
|
|
public:
|
|
/*
|
|
* Main wallet lock.
|
|
* This lock protects all the fields added by CWallet.
|
|
*/
|
|
mutable CCriticalSection cs_wallet;
|
|
|
|
/** Get database handle used by this wallet. Ideally this function would
|
|
* not be necessary.
|
|
*/
|
|
CWalletDBWrapper& GetDBHandle()
|
|
{
|
|
return *dbw;
|
|
}
|
|
|
|
/** Get a name for this wallet for logging/debugging purposes.
|
|
*/
|
|
std::string GetName() const
|
|
{
|
|
if (dbw) {
|
|
return dbw->GetName();
|
|
} else {
|
|
return "dummy";
|
|
}
|
|
}
|
|
|
|
void LoadKeyPool(int64_t nIndex, const CKeyPool &keypool);
|
|
|
|
// Map from Key ID to key metadata.
|
|
std::map<CKeyID, CKeyMetadata> mapKeyMetadata;
|
|
|
|
// Map from Script ID to key metadata (for watch-only keys).
|
|
std::map<CScriptID, CKeyMetadata> m_script_metadata;
|
|
|
|
typedef std::map<unsigned int, CMasterKey> MasterKeyMap;
|
|
MasterKeyMap mapMasterKeys;
|
|
unsigned int nMasterKeyMaxID;
|
|
|
|
// Create wallet with dummy database handle
|
|
CWallet(): dbw(new CWalletDBWrapper())
|
|
{
|
|
SetNull();
|
|
}
|
|
|
|
// Create wallet with passed-in database handle
|
|
explicit CWallet(std::unique_ptr<CWalletDBWrapper> dbw_in) : dbw(std::move(dbw_in))
|
|
{
|
|
SetNull();
|
|
}
|
|
|
|
~CWallet()
|
|
{
|
|
delete pwalletdbEncryption;
|
|
pwalletdbEncryption = nullptr;
|
|
}
|
|
|
|
void SetNull()
|
|
{
|
|
nWalletVersion = FEATURE_BASE;
|
|
nWalletMaxVersion = FEATURE_BASE;
|
|
nMasterKeyMaxID = 0;
|
|
pwalletdbEncryption = nullptr;
|
|
nOrderPosNext = 0;
|
|
nAccountingEntryNumber = 0;
|
|
nNextResend = 0;
|
|
nLastResend = 0;
|
|
m_max_keypool_index = 0;
|
|
nTimeFirstKey = 0;
|
|
fBroadcastTransactions = false;
|
|
nRelockTime = 0;
|
|
fAbortRescan = false;
|
|
fScanningWallet = false;
|
|
}
|
|
|
|
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;
|
|
uint64_t nAccountingEntryNumber;
|
|
std::map<uint256, int> mapRequestCount;
|
|
|
|
std::map<CTxDestination, CAddressBookData> mapAddressBook;
|
|
|
|
std::set<COutPoint> setLockedCoins;
|
|
|
|
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) const { AssertLockHeld(cs_wallet); return nWalletMaxVersion >= wf; }
|
|
|
|
/**
|
|
* populate vCoins with vector of available COutputs.
|
|
*/
|
|
void AvailableCoins(std::vector<COutput>& vCoins, bool fOnlySafe=true, const CCoinControl *coinControl = nullptr, const CAmount& nMinimumAmount = 1, const CAmount& nMaximumAmount = MAX_MONEY, const CAmount& nMinimumSumAmount = MAX_MONEY, const uint64_t nMaximumCount = 0, const int nMinDepth = 0, const int nMaxDepth = 9999999) const;
|
|
|
|
/**
|
|
* Return list of available coins and locked coins grouped by non-change output address.
|
|
*/
|
|
std::map<CTxDestination, std::vector<COutput>> ListCoins() const;
|
|
|
|
/**
|
|
* Find non-change parent output.
|
|
*/
|
|
const CTxOut& FindNonChangeParentOutput(const CTransaction& tx, int output) 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<CInputCoin>& setCoinsRet, CAmount& nValueRet) const;
|
|
|
|
bool IsSpent(const uint256& hash, unsigned int n) const;
|
|
|
|
bool IsLockedCoin(uint256 hash, unsigned int n) const;
|
|
void LockCoin(const COutPoint& output);
|
|
void UnlockCoin(const COutPoint& output);
|
|
void UnlockAllCoins();
|
|
void ListLockedCoins(std::vector<COutPoint>& vOutpts) const;
|
|
|
|
/*
|
|
* Rescan abort properties
|
|
*/
|
|
void AbortRescan() { fAbortRescan = true; }
|
|
bool IsAbortingRescan() { return fAbortRescan; }
|
|
bool IsScanning() { return fScanningWallet; }
|
|
|
|
/**
|
|
* keystore implementation
|
|
* Generate a new key
|
|
*/
|
|
CPubKey GenerateNewKey(CWalletDB& walletdb, bool internal = false);
|
|
//! Adds a key to the store, and saves it to disk.
|
|
bool AddKeyPubKey(const CKey& key, const CPubKey &pubkey) override;
|
|
bool AddKeyPubKeyWithDB(CWalletDB &walletdb,const CKey& key, const CPubKey &pubkey);
|
|
//! 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 CKeyID& keyID, const CKeyMetadata &metadata);
|
|
bool LoadScriptMetadata(const CScriptID& script_id, 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) 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) override;
|
|
bool LoadCScript(const CScript& redeemScript);
|
|
|
|
//! Adds a destination data tuple to the store, and saves it to disk
|
|
bool AddDestData(const CTxDestination &dest, const std::string &key, const std::string &value);
|
|
//! Erases a destination data tuple in the store and on disk
|
|
bool EraseDestData(const CTxDestination &dest, const std::string &key);
|
|
//! Adds a destination data tuple to the store, without saving it to disk
|
|
bool LoadDestData(const CTxDestination &dest, const std::string &key, const std::string &value);
|
|
//! Look up a destination data tuple in the store, return true if found false otherwise
|
|
bool GetDestData(const CTxDestination &dest, const std::string &key, std::string *value) const;
|
|
//! Get all destination values matching a prefix.
|
|
std::vector<std::string> GetDestValues(const std::string& prefix) const;
|
|
|
|
//! Adds a watch-only address to the store, and saves it to disk.
|
|
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);
|
|
|
|
//! Holds a timestamp at which point the wallet is scheduled (externally) to be relocked. Caller must arrange for actual relocking to occur via Lock().
|
|
int64_t nRelockTime;
|
|
|
|
bool Unlock(const SecureString& strWalletPassphrase);
|
|
bool ChangeWalletPassphrase(const SecureString& strOldWalletPassphrase, const SecureString& strNewWalletPassphrase);
|
|
bool EncryptWallet(const SecureString& strWalletPassphrase);
|
|
|
|
void GetKeyBirthTimes(std::map<CTxDestination, int64_t> &mapKeyBirth) const;
|
|
unsigned int ComputeTimeSmart(const CWalletTx& wtx) const;
|
|
|
|
/**
|
|
* Increment the next transaction order id
|
|
* @return next transaction order id
|
|
*/
|
|
int64_t IncOrderPosNext(CWalletDB *pwalletdb = nullptr);
|
|
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 fFlushOnClose=true);
|
|
bool LoadToWallet(const CWalletTx& wtxIn);
|
|
void TransactionAddedToMempool(const CTransactionRef& tx) override;
|
|
void BlockConnected(const std::shared_ptr<const CBlock>& pblock, const CBlockIndex *pindex, const std::vector<CTransactionRef>& vtxConflicted) override;
|
|
void BlockDisconnected(const std::shared_ptr<const CBlock>& pblock) override;
|
|
bool AddToWalletIfInvolvingMe(const CTransactionRef& tx, const CBlockIndex* pIndex, int posInBlock, bool fUpdate);
|
|
int64_t RescanFromTime(int64_t startTime, bool update);
|
|
CBlockIndex* ScanForWalletTransactions(CBlockIndex* pindexStart, CBlockIndex* pindexStop, bool fUpdate = false);
|
|
void TransactionRemovedFromMempool(const CTransactionRef &ptx) override;
|
|
void ReacceptWalletTransactions();
|
|
void ResendWalletTransactions(int64_t nBestBlockTime, CConnman* connman) override;
|
|
// ResendWalletTransactionsBefore may only be called if fBroadcastTransactions!
|
|
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;
|
|
CAmount GetLegacyBalance(const isminefilter& filter, int minDepth, const std::string* account) const;
|
|
CAmount GetAvailableBalance(const CCoinControl* coinControl = nullptr) const;
|
|
|
|
/**
|
|
* Insert additional inputs into the transaction by
|
|
* calling CreateTransaction();
|
|
*/
|
|
bool FundTransaction(CMutableTransaction& tx, CAmount& nFeeRet, int& nChangePosInOut, std::string& strFailReason, bool lockUnspents, const std::set<int>& setSubtractFeeFromOutputs, CCoinControl);
|
|
bool SignTransaction(CMutableTransaction& tx);
|
|
|
|
/**
|
|
* 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& coin_control, 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) const;
|
|
|
|
static CFeeRate minTxFee;
|
|
static CFeeRate fallbackFee;
|
|
static CFeeRate m_discard_rate;
|
|
|
|
bool NewKeyPool();
|
|
size_t KeypoolCountExternalKeys();
|
|
bool TopUpKeyPool(unsigned int kpSize = 0);
|
|
void ReserveKeyFromKeyPool(int64_t& nIndex, CKeyPool& keypool, bool fRequestedInternal);
|
|
void KeepKey(int64_t nIndex);
|
|
void ReturnKey(int64_t nIndex, bool fInternal, const CPubKey& pubkey);
|
|
bool GetKeyFromPool(CPubKey &key, bool internal = false);
|
|
int64_t GetOldestKeyPoolTime();
|
|
/**
|
|
* Marks all keys in the keypool up to and including reserve_key as used.
|
|
*/
|
|
void MarkReserveKeysAsUsed(int64_t keypool_id);
|
|
const std::map<CKeyID, int64_t>& GetAllReserveKeys() const { return m_pool_key_to_index; }
|
|
|
|
std::set< std::set<CTxDestination> > GetAddressGroupings();
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|
std::map<CTxDestination, CAmount> GetAddressBalances();
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|
|
|
std::set<CTxDestination> GetAccountAddresses(const std::string& strAccount) const;
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|
|
|
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;
|
|
bool IsChange(const CTxOut& txout) const;
|
|
CAmount GetChange(const CTxOut& txout) const;
|
|
bool IsMine(const CTransaction& tx) const;
|
|
/** 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) 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);
|
|
|
|
const std::string& GetAccountName(const CScript& scriptPubKey) const;
|
|
|
|
void Inventory(const uint256 &hash) override
|
|
{
|
|
{
|
|
LOCK(cs_wallet);
|
|
std::map<uint256, int>::iterator mi = mapRequestCount.find(hash);
|
|
if (mi != mapRequestCount.end())
|
|
(*mi).second++;
|
|
}
|
|
}
|
|
|
|
void GetScriptForMining(std::shared_ptr<CReserveScript> &script);
|
|
|
|
unsigned int GetKeyPoolSize()
|
|
{
|
|
AssertLockHeld(cs_wallet); // set{Ex,In}ternalKeyPool
|
|
return setInternalKeyPool.size() + setExternalKeyPool.size();
|
|
}
|
|
|
|
//! 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 = nullptr, 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() { LOCK(cs_wallet); return nWalletVersion; }
|
|
|
|
//! 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);
|
|
|
|
/**
|
|
* Address book entry changed.
|
|
* @note called with lock cs_wallet held.
|
|
*/
|
|
boost::signals2::signal<void (CWallet *wallet, const CTxDestination
|
|
&address, const std::string &label, bool isMine,
|
|
const std::string &purpose,
|
|
ChangeType status)> NotifyAddressBookChanged;
|
|
|
|
/**
|
|
* Wallet transaction added, removed or updated.
|
|
* @note called with lock cs_wallet held.
|
|
*/
|
|
boost::signals2::signal<void (CWallet *wallet, const uint256 &hashTx,
|
|
ChangeType status)> NotifyTransactionChanged;
|
|
|
|
/** Show progress e.g. for rescan */
|
|
boost::signals2::signal<void (const std::string &title, int nProgress)> ShowProgress;
|
|
|
|
/** Watch-only address added */
|
|
boost::signals2::signal<void (bool fHaveWatchOnly)> NotifyWatchonlyChanged;
|
|
|
|
/** Inquire whether this wallet broadcasts transactions. */
|
|
bool GetBroadcastTransactions() const { return fBroadcastTransactions; }
|
|
/** Set whether this wallet broadcasts transactions. */
|
|
void SetBroadcastTransactions(bool broadcast) { fBroadcastTransactions = broadcast; }
|
|
|
|
/** Return whether transaction can be abandoned */
|
|
bool TransactionCanBeAbandoned(const uint256& hashTx) const;
|
|
|
|
/* 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);
|
|
|
|
/* Initializes the wallet, returns a new CWallet instance or a null pointer in case of an error */
|
|
static CWallet* CreateWalletFromFile(const std::string walletFile);
|
|
|
|
/**
|
|
* Wallet post-init setup
|
|
* Gives the wallet a chance to register repetitive tasks and complete post-init tasks
|
|
*/
|
|
void postInitProcess(CScheduler& scheduler);
|
|
|
|
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() const { return hdChain; }
|
|
|
|
/* Returns true if HD is enabled */
|
|
bool IsHDEnabled() const;
|
|
|
|
/* 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)
|
|
Sets the master key's version based on the current wallet version (so the
|
|
caller must ensure the current wallet version is correct before calling
|
|
this function). */
|
|
bool SetHDMasterKey(const CPubKey& key);
|
|
|
|
/**
|
|
* Blocks until the wallet state is up-to-date to /at least/ the current
|
|
* chain at the time this function is entered
|
|
* Obviously holding cs_main/cs_wallet when going into this call may cause
|
|
* deadlock
|
|
*/
|
|
void BlockUntilSyncedToCurrentChain();
|
|
};
|
|
|
|
/** A key allocated from the key pool. */
|
|
class CReserveKey final : public CReserveScript
|
|
{
|
|
protected:
|
|
CWallet* pwallet;
|
|
int64_t nIndex;
|
|
CPubKey vchPubKey;
|
|
bool fInternal;
|
|
public:
|
|
explicit CReserveKey(CWallet* pwalletIn)
|
|
{
|
|
nIndex = -1;
|
|
pwallet = pwalletIn;
|
|
fInternal = false;
|
|
}
|
|
|
|
CReserveKey() = default;
|
|
CReserveKey(const CReserveKey&) = delete;
|
|
CReserveKey& operator=(const CReserveKey&) = delete;
|
|
|
|
~CReserveKey()
|
|
{
|
|
ReturnKey();
|
|
}
|
|
|
|
void ReturnKey();
|
|
bool GetReservedKey(CPubKey &pubkey, bool internal = false);
|
|
void KeepKey();
|
|
void KeepScript() override { KeepKey(); }
|
|
};
|
|
|
|
|
|
/**
|
|
* Account information.
|
|
* Stored in wallet with key "acc"+string account name.
|
|
*/
|
|
class CAccount
|
|
{
|
|
public:
|
|
CPubKey vchPubKey;
|
|
|
|
CAccount()
|
|
{
|
|
SetNull();
|
|
}
|
|
|
|
void SetNull()
|
|
{
|
|
vchPubKey = CPubKey();
|
|
}
|
|
|
|
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);
|
|
READWRITE(vchPubKey);
|
|
}
|
|
};
|
|
|
|
// 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) const
|
|
{
|
|
// Fill in dummy signatures for fee calculation.
|
|
int nIn = 0;
|
|
for (const auto& coin : coins)
|
|
{
|
|
const CScript& scriptPubKey = coin.txout.scriptPubKey;
|
|
SignatureData sigdata;
|
|
|
|
if (!ProduceSignature(DummySignatureCreator(this), scriptPubKey, sigdata))
|
|
{
|
|
return false;
|
|
} else {
|
|
UpdateTransaction(txNew, nIn, sigdata);
|
|
}
|
|
|
|
nIn++;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
#endif // BITCOIN_WALLET_WALLET_H
|