/
wallet.h
1077 lines (894 loc) · 32.5 KB
/
wallet.h
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// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2012 The Bitcoin developers
// Distributed under the MIT/X11 software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#ifndef BITCOIN_WALLET_H
#define BITCOIN_WALLET_H
#include <string>
#include <vector>
#include <set>
#include <stdlib.h>
#include "main.h"
#include "key.h"
#include "keystore.h"
#include "script.h"
#include "streams.h"
#include "ui_interface.h"
#include "wallet/walletdb.h"
#include "wallet/ismine.h"
extern bool fWalletUnlockStakingOnly;
extern bool fConfChange;
class CAccountingEntry;
class CWalletTx;
class CReserveKey;
class COutput;
class CCoinControl;
struct CMinerStatus;
/** (client) version numbers for particular wallet features */
enum WalletFeature
{
FEATURE_BASE = 10500, // the earliest version new wallets supports (only useful for getinfo's clientversion output)
FEATURE_WALLETCRYPT = 40000, // wallet encryption
FEATURE_COMPRPUBKEY = 60000, // compressed public keys
FEATURE_LATEST = 60000
};
/** (POS/POR) enums for CoinStake Transactions -- We should never get unknown but just incase!*/
enum MinedType
{
UNKNOWN = 0,
POS = 1,
POR = 2,
ORPHANED = 3,
POS_SIDE_STAKE = 4,
POR_SIDE_STAKE = 5,
SUPERBLOCK = 6
};
// CMinerStatus is here to prevent circular include problems.
struct CMinerStatus
{
CCriticalSection lock;
enum ReasonNotStakingCategory
{
NONE,
NO_MATURE_COINS,
NO_COINS,
ENTIRE_BALANCE_RESERVED,
NO_UTXOS_AVAILABLE_DUE_TO_RESERVE,
WALLET_LOCKED,
TESTNET_ONLY,
OFFLINE
};
std::vector<ReasonNotStakingCategory> vReasonNotStaking;
const std::vector<std::string> vReasonNotStakingStrings = { "None",
"No Mature Coins",
"No coins",
"Entire balance reserved",
"No UTXOs available due to reserve balance",
"Wallet locked",
"Testnet-only version",
"Offline" };
bool able_to_stake = true;
std::string ReasonNotStaking;
uint64_t WeightSum, WeightMin, WeightMax;
double ValueSum;
int Version;
uint64_t CreatedCnt;
uint64_t AcceptedCnt;
uint64_t KernelsFound;
int64_t nLastCoinStakeSearchInterval;
void Clear();
CMinerStatus();
bool SetReasonNotStaking(ReasonNotStakingCategory not_staking_error);
void ClearReasonsNotStaking();
};
/** A key pool entry */
class CKeyPool
{
public:
int64_t nTime;
CPubKey vchPubKey;
CKeyPool()
{
nTime = GetAdjustedTime();
}
CKeyPool(const CPubKey& vchPubKeyIn)
{
nTime = GetAdjustedTime();
vchPubKey = vchPubKeyIn;
}
ADD_SERIALIZE_METHODS;
template <typename Stream, typename Operation>
inline void SerializationOp(Stream& s, Operation ser_action)
{
if (!(s.GetType() & SER_GETHASH)) {
int nVersion = s.GetVersion();
READWRITE(nVersion);
}
READWRITE(nTime);
READWRITE(vchPubKey);
}
};
/** A CWallet is an extension of a keystore, which also maintains a set of transactions and balances,
* and provides the ability to create new transactions.
*/
class CWallet : public CCryptoKeyStore
{
private:
bool SelectCoins(int64_t nTargetValue, unsigned int nSpendTime, std::set<std::pair<const CWalletTx*,unsigned int> >& setCoinsRet, int64_t& nValueRet, const CCoinControl *coinControl=NULL, bool contract = false) 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;
public:
/// Main wallet lock.
/// This lock protects all the fields added by CWallet
/// except for:
/// fFileBacked (immutable after instantiation)
/// strWalletFile (immutable after instantiation)
mutable CCriticalSection cs_wallet;
bool fFileBacked;
std::string strWalletFile;
std::set<int64_t> setKeyPool;
std::map<CKeyID, CKeyMetadata> mapKeyMetadata;
typedef std::map<unsigned int, CMasterKey> MasterKeyMap;
MasterKeyMap mapMasterKeys;
unsigned int nMasterKeyMaxID;
CWallet()
{
SetNull();
}
CWallet(std::string strWalletFileIn)
{
SetNull();
strWalletFile = strWalletFileIn;
fFileBacked = true;
}
//!
//! \brief Get the public key used to verify administrative contracts.
//!
//! The wallet embeds the master public key so that every node can verify
//! the authenticity of administrative contracts like a project whitelist
//! addition or removal. The master key holders must import a private key
//! that corresponds to this public key before they can sign contracts.
//!
//! \return A \c CPubKey object containing the master public key.
//!
static const CPubKey& MasterPublicKey();
//!
//! \brief Get the output address controlled by the master private key used
//! to verify administrative contracts.
//!
//! \return Address as calculated from the master public key.
//!
static const CBitcoinAddress MasterAddress();
//!
//! \brief Get the imported master private key used to sign administrative
//! contracts.
//!
//! A master key holder uses the master private key to sign administrative
//! contracts, such as project whitelist additions and removals. All nodes
//! verify the contracts using the embedded public key that corresponds to
//! this private key.
//!
//! Key holders need to import the private key into the wallet before they
//! can sign administrative contracts. The following RPC command imports a
//! private key and assigns to it the optional label of "master":
//!
//! importprivkey <hex_key_string> master
//!
//! Note that this private key differs from the wallet keystore's "master"
//! key which the wallet uses to encrypt the private keys in storage.
//!
//! \return An empty key when no master key imported.
//!
CKey MasterPrivateKey() const;
void SetNull()
{
nWalletVersion = FEATURE_BASE;
nWalletMaxVersion = FEATURE_BASE;
fFileBacked = false;
nMasterKeyMaxID = 0;
pwalletdbEncryption = NULL;
nOrderPosNext = 0;
nTimeFirstKey = 0;
}
std::map<uint256, CWalletTx> mapWallet;
int64_t nOrderPosNext;
std::map<uint256, int> mapRequestCount;
std::map<CTxDestination, std::string> mapAddressBook;
CPubKey vchDefaultKey;
int64_t nTimeFirstKey;
// 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; }
void AvailableCoinsForStaking(std::vector<COutput>& vCoins, unsigned int nSpendTime) const;
bool SelectCoinsForStaking(unsigned int nSpendTime, std::vector<std::pair<const CWalletTx*,unsigned int> >& vCoinsRet,
CMinerStatus::ReasonNotStakingCategory& not_staking_error, bool fMiner = false) const;
void AvailableCoins(std::vector<COutput>& vCoins, bool fOnlyConfirmed=true, const CCoinControl *coinControl=NULL, bool fIncludeStakingCoins=false) const;
bool SelectCoinsMinConf(int64_t nTargetValue, unsigned int nSpendTime, int nConfMine, int nConfTheirs, std::vector<COutput> vCoins, std::set<std::pair<const CWalletTx*,unsigned int> >& setCoinsRet, int64_t& nValueRet, bool contract = false) const;
// keystore implementation
// Generate a new key
CPubKey GenerateNewKey();
// Adds a key to the store, and saves it to disk.
bool AddKey(const CKey& key);
// Adds a key to the store, without saving it to disk (used by LoadWallet)
bool LoadKey(const CKey& key) { return CCryptoKeyStore::AddKey(key); }
// Load metadata (used by LoadWallet)
bool LoadKeyMetadata(const CPubKey &pubkey, const CKeyMetadata &metadata);
bool LoadMinVersion(int nVersion) { AssertLockHeld(cs_wallet); nWalletVersion = nVersion; nWalletMaxVersion = std::max(nWalletMaxVersion, nVersion); return true; }
// Adds an encrypted key to the store, and saves it to disk.
bool AddCryptedKey(const CPubKey &vchPubKey, const std::vector<unsigned char> &vchCryptedSecret);
// 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 LoadCScript(const CScript& redeemScript);
bool Unlock(const SecureString& strWalletPassphrase);
bool ChangeWalletPassphrase(const SecureString& strOldWalletPassphrase, const SecureString& strNewWalletPassphrase);
bool EncryptWallet(const SecureString& strWalletPassphrase);
void GetKeyBirthTimes(std::map<CKeyID, 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 = "");
void MarkDirty();
bool AddToWallet(const CWalletTx& wtxIn, CWalletDB *pwalletdb);
bool AddToWalletIfInvolvingMe(const CTransaction& tx, const CBlock* pblock, bool fUpdate = false, bool fFindBlock = false);
bool EraseFromWallet(uint256 hash);
void WalletUpdateSpent(const CTransaction &tx, bool fBlock, CWalletDB* pwalletdb);
int ScanForWalletTransactions(CBlockIndex* pindexStart, bool fUpdate = false);
void ReacceptWalletTransactions();
void ResendWalletTransactions(bool fForce = false);
int64_t GetBalance() const;
int64_t GetUnconfirmedBalance() const;
int64_t GetImmatureBalance() const;
int64_t GetStake() const;
int64_t GetNewMint() const;
bool CreateTransaction(const std::vector<std::pair<CScript, int64_t> >& vecSend, CWalletTx& wtxNew, CReserveKey& reservekey, int64_t& nFeeRet, const CCoinControl *coinControl=NULL);
bool CreateTransaction(const std::vector<std::pair<CScript, int64_t> >& vecSend, std::set<std::pair<const CWalletTx*,unsigned int>>& setCoins, CWalletTx& wtxNew, CReserveKey& reservekey, int64_t& nFeeRet, const CCoinControl *coinControl=NULL);
bool CreateTransaction(CScript scriptPubKey, int64_t nValue, CWalletTx& wtxNew, CReserveKey& reservekey, int64_t& nFeeRet, const CCoinControl *coinControl=NULL);
bool CommitTransaction(CWalletTx& wtxNew, CReserveKey& reservekey);
bool GetStakeWeight(uint64_t& nWeight);
std::string SendMoney(CScript scriptPubKey, int64_t nValue, CWalletTx& wtxNew, bool fAskFee=false);
std::string SendMoneyToDestination(const CTxDestination &address, int64_t nValue, CWalletTx& wtxNew, bool fAskFee=false);
bool NewKeyPool();
bool TopUpKeyPool(unsigned int nSize = 0);
int64_t AddReserveKey(const CKeyPool& keypool);
void ReserveKeyFromKeyPool(int64_t& nIndex, CKeyPool& keypool);
void KeepKey(int64_t nIndex);
void ReturnKey(int64_t nIndex);
bool GetKeyFromPool(CPubKey &key, bool fAllowReuse=true);
int64_t GetOldestKeyPoolTime();
void GetAllReserveKeys(std::set<CKeyID>& setAddress) const;
std::vector<std::pair<CBitcoinAddress, CBitcoinSecret>> GetAllPrivateKeys(std::string& sError) const;
std::set< std::set<CTxDestination> > GetAddressGroupings();
std::map<CTxDestination, int64_t> GetAddressBalances();
isminetype IsMine(const CTxIn& txin) const;
int64_t GetDebit(const CTxIn& txin, const isminefilter& filter=(ISMINE_SPENDABLE|ISMINE_WATCH_ONLY)) const;
isminetype IsMine(const CTxOut& txout) const
{
return ::IsMine(*this, txout.scriptPubKey);
}
int64_t GetCredit(const CTxOut& txout, const isminefilter& filter=(ISMINE_WATCH_ONLY|ISMINE_SPENDABLE)) const
{
if (!MoneyRange(txout.nValue))
throw std::runtime_error("CWallet::GetCredit() : value out of range");
return ((IsMine(txout) != ISMINE_NO) ? txout.nValue : 0);
}
bool IsChange(const CTxOut& txout) const;
int64_t GetChange(const CTxOut& txout) const
{
if (!MoneyRange(txout.nValue))
throw std::runtime_error("CWallet::GetChange() : value out of range");
return (IsChange(txout) ? txout.nValue : 0);
}
isminetype IsMine(const CTransaction& tx) const
{
for (auto const& txout : tx.vout) {
isminetype fIsMine = IsMine(txout);
if ((fIsMine != ISMINE_NO) && txout.nValue >= nMinimumInputValue)
return fIsMine;
}
return ISMINE_NO;
}
bool IsFromMe(const CTransaction& tx) const
{
return (GetDebit(tx) > 0);
}
int64_t GetDebit(const CTransaction& tx, const isminefilter& filter=(ISMINE_SPENDABLE|ISMINE_WATCH_ONLY)) const
{
int64_t nDebit = 0;
for (auto const& txin : tx.vin)
{
nDebit += GetDebit(txin, filter);
if (!MoneyRange(nDebit))
throw std::runtime_error("CWallet::GetDebit() : value out of range");
}
return nDebit;
}
int64_t GetCredit(const CTransaction& tx) const
{
int64_t nCredit = 0;
for (auto const& txout : tx.vout)
{
nCredit += GetCredit(txout);
if (!MoneyRange(nCredit))
throw std::runtime_error("CWallet::GetCredit() : value out of range");
}
return nCredit;
}
int64_t GetChange(const CTransaction& tx) const
{
int64_t nChange = 0;
for (auto const& txout : tx.vout)
{
nChange += GetChange(txout);
if (!MoneyRange(nChange))
throw std::runtime_error("CWallet::GetChange() : value out of range");
}
return nChange;
}
void SetBestChain(const CBlockLocator& loc);
DBErrors LoadWallet(bool& fFirstRunRet);
DBErrors ZapWalletTx(std::vector<CWalletTx>& vWtx);
bool SetAddressBookName(const CTxDestination& address, const std::string& strName);
bool DelAddressBookName(const CTxDestination& address);
void UpdatedTransaction(const uint256 &hashTx);
void PrintWallet(const CBlock& block);
void Inventory(const uint256 &hash)
{
{
LOCK(cs_wallet);
std::map<uint256, int>::iterator mi = mapRequestCount.find(hash);
if (mi != mapRequestCount.end())
(*mi).second++;
}
}
unsigned int GetKeyPoolSize()
{
AssertLockHeld(cs_wallet); // setKeyPool
return setKeyPool.size();
}
bool GetTransaction(const uint256 &hashTx, CWalletTx& wtx);
bool SetDefaultKey(const CPubKey &vchPubKey);
// signify that a particular wallet feature is now used. this may change nWalletVersion and nWalletMaxVersion if those are lower
bool SetMinVersion(enum WalletFeature, CWalletDB* pwalletdbIn = NULL, bool fExplicit = false);
// change which version we're allowed to upgrade to (note that this does not immediately imply upgrading to that format)
bool SetMaxVersion(int nVersion);
// get the current wallet format (the oldest client version guaranteed to understand this wallet)
int GetVersion() { LOCK(cs_wallet); return nWalletVersion; }
void FixSpentCoins(int& nMismatchSpent, int64_t& nBalanceInQuestion, bool fCheckOnly = false);
void DisableTransaction(const CTransaction &tx);
/** 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, 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;
};
/** A key allocated from the key pool. */
class CReserveKey
{
protected:
CWallet* pwallet;
int64_t nIndex;
CPubKey vchPubKey;
public:
CReserveKey(CWallet* pwalletIn)
{
nIndex = -1;
pwallet = pwalletIn;
}
~CReserveKey()
{
if (!fShutdown)
ReturnKey();
}
void ReturnKey();
bool GetReservedKey(CPubKey &pubkey);
void KeepKey();
};
typedef std::map<std::string, std::string> mapValue_t;
static void ReadOrderPos(int64_t& nOrderPos, mapValue_t& mapValue)
{
if (!mapValue.count("n"))
{
nOrderPos = -1; // TODO : calculate elsewhere
return;
}
nOrderPos = atoi64(mapValue["n"].c_str());
}
static void WriteOrderPos(const int64_t& nOrderPos, mapValue_t& mapValue)
{
if (nOrderPos == -1)
return;
mapValue["n"] = i64tostr(nOrderPos);
}
struct COutputEntry
{
CTxDestination destination;
int64_t amount;
int vout;
};
/** A transaction with a bunch of additional info that only the owner cares about.
* It includes any unrecorded transactions needed to link it back to the block chain.
*/
class CWalletTx : public CMerkleTx
{
private:
const CWallet* pwallet;
public:
std::vector<CMerkleTx> vtxPrev;
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 nTimeSmart;
char fFromMe;
std::string strFromAccount;
std::vector<char> vfSpent; // which outputs are already spent
int64_t nOrderPos; // position in ordered transaction list
// memory only
mutable bool fDebitCached;
mutable bool fCreditCached;
mutable bool fAvailableCreditCached;
mutable bool fWatchDebitCached;
mutable bool fWatchCreditCached;
mutable bool fChangeCached;
mutable int64_t nDebitCached;
mutable int64_t nCreditCached;
mutable int64_t nAvailableCreditCached;
mutable int64_t nWatchDebitCached;
mutable int64_t nWatchCreditCached;
mutable int64_t nChangeCached;
CWalletTx()
{
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)
{
Init(pwalletIn);
}
void Init(const CWallet* pwalletIn)
{
pwallet = pwalletIn;
vtxPrev.clear();
mapValue.clear();
vOrderForm.clear();
fTimeReceivedIsTxTime = false;
nTimeReceived = 0;
nTimeSmart = 0;
fFromMe = false;
strFromAccount.clear();
vfSpent.clear();
fDebitCached = false;
fCreditCached = false;
fAvailableCreditCached = false;
fWatchDebitCached = false;
fWatchCreditCached = false;
fChangeCached = false;
nDebitCached = 0;
nCreditCached = 0;
nAvailableCreditCached = 0;
nWatchDebitCached = 0;
nWatchCreditCached = 0;
nChangeCached = 0;
nOrderPos = -1;
}
ADD_SERIALIZE_METHODS;
template <typename Stream, typename Operation>
inline void SerializationOp(Stream& s, Operation ser_action)
{
char fSpent = false;
if (ser_action.ForRead()) {
Init(NULL);
} else {
mapValue["fromaccount"] = strFromAccount;
std::string str;
for (auto const& f : vfSpent)
{
str += (f ? '1' : '0');
if (f)
fSpent = true;
}
mapValue["spent"] = str;
WriteOrderPos(nOrderPos, mapValue);
if (nTimeSmart) {
mapValue["timesmart"] = strprintf("%u", nTimeSmart);
}
}
READWRITEAS(CMerkleTx, *this);
READWRITE(vtxPrev);
READWRITE(mapValue);
READWRITE(vOrderForm);
READWRITE(fTimeReceivedIsTxTime);
READWRITE(nTimeReceived);
READWRITE(fFromMe);
READWRITE(fSpent);
if (ser_action.ForRead()) {
strFromAccount = mapValue["fromaccount"];
if (mapValue.count("spent")) {
for (auto const& c : mapValue["spent"]) {
vfSpent.push_back(c != '0');
}
} else {
vfSpent.assign(vout.size(), fSpent);
}
ReadOrderPos(nOrderPos, mapValue);
nTimeSmart = mapValue.count("timesmart")
? (unsigned int)atoi64(mapValue["timesmart"])
: 0;
}
mapValue.erase("fromaccount");
mapValue.erase("version");
mapValue.erase("spent");
mapValue.erase("n");
mapValue.erase("timesmart");
}
// marks certain txout's as spent
// returns true if any update took place
bool UpdateSpent(const std::vector<char>& vfNewSpent)
{
bool fReturn = false;
for (unsigned int i = 0; i < vfNewSpent.size(); i++)
{
if (i == vfSpent.size())
break;
if (vfNewSpent[i] && !vfSpent[i])
{
vfSpent[i] = true;
fReturn = true;
fAvailableCreditCached = false;
}
}
return fReturn;
}
// make sure balances are recalculated
void MarkDirty()
{
fCreditCached = false;
fAvailableCreditCached = false;
fWatchDebitCached = false;
fWatchCreditCached = false;
fDebitCached = false;
fChangeCached = false;
}
void BindWallet(CWallet *pwalletIn)
{
pwallet = pwalletIn;
MarkDirty();
}
void MarkSpent(unsigned int nOut)
{
if (nOut >= vout.size())
throw std::runtime_error("CWalletTx::MarkSpent() : nOut out of range");
vfSpent.resize(vout.size());
if (!vfSpent[nOut])
{
vfSpent[nOut] = true;
fAvailableCreditCached = false;
}
}
void MarkUnspent(unsigned int nOut)
{
if (nOut >= vout.size())
throw std::runtime_error("CWalletTx::MarkUnspent() : nOut out of range");
vfSpent.resize(vout.size());
if (vfSpent[nOut])
{
vfSpent[nOut] = false;
fAvailableCreditCached = false;
}
}
bool IsSpent(unsigned int nOut) const
{
if (nOut >= vout.size())
throw std::runtime_error("CWalletTx::IsSpent() : nOut out of range");
if (nOut >= vfSpent.size())
return false;
return (!!vfSpent[nOut]);
}
int64_t GetDebit(const isminefilter& filter=(ISMINE_SPENDABLE|ISMINE_WATCH_ONLY)) const
{
if (vin.empty())
return 0;
int64_t debit = 0;
if(filter & ISMINE_SPENDABLE)
{
if (fDebitCached)
debit += nDebitCached;
else
{
nDebitCached = pwallet->GetDebit(*this, ISMINE_SPENDABLE);
fDebitCached = true;
debit += nDebitCached;
}
}
if(filter & ISMINE_WATCH_ONLY)
{
if(fWatchDebitCached)
debit += nWatchDebitCached;
else
{
nWatchDebitCached = pwallet->GetDebit(*this, ISMINE_WATCH_ONLY);
fWatchDebitCached = true;
debit += nWatchDebitCached;
}
}
return debit;
}
int64_t GetCredit(bool fUseCache=true) const
{
// Must wait until coinbase is safely deep enough in the chain before valuing it
if ((IsCoinBase() || IsCoinStake()) && GetBlocksToMaturity() > 0)
return 0;
// GetBalance can assume transactions in mapWallet won't change
if (fUseCache && fCreditCached)
return nCreditCached;
nCreditCached = pwallet->GetCredit(*this);
fCreditCached = true;
return nCreditCached;
}
int64_t GetAvailableCredit(bool fUseCache=true) const
{
// Must wait until coinbase is safely deep enough in the chain before valuing it
if ((IsCoinBase() || IsCoinStake()) && GetBlocksToMaturity() > 0)
return 0;
if (fUseCache && fAvailableCreditCached)
return nAvailableCreditCached;
int64_t nCredit = 0;
for (unsigned int i = 0; i < vout.size(); i++)
{
if (!IsSpent(i))
{
const CTxOut &txout = vout[i];
nCredit += pwallet->GetCredit(txout);
if (!MoneyRange(nCredit))
throw std::runtime_error("CWalletTx::GetAvailableCredit() : value out of range");
}
}
nAvailableCreditCached = nCredit;
fAvailableCreditCached = true;
return nCredit;
}
int64_t GetChange() const
{
if (fChangeCached)
return nChangeCached;
nChangeCached = pwallet->GetChange(*this);
fChangeCached = true;
return nChangeCached;
}
void GetAmounts(std::list<std::pair<CTxDestination, int64_t> >& listReceived,
std::list<std::pair<CTxDestination, int64_t> >& listSent, int64_t& nFee, std::string& strSentAccount,
const isminefilter& filter=(ISMINE_SPENDABLE|ISMINE_WATCH_ONLY)) const;
void GetAmounts2(std::list<COutputEntry>& listReceived, std::list<COutputEntry>& listSent, int64_t& nFee, std::string& strSentAccount, bool ismine, CTxDB& txdb,
const isminefilter& filter=(ISMINE_SPENDABLE|ISMINE_WATCH_ONLY)) const;
void GetAccountAmounts(const std::string& strAccount, int64_t& nReceived,
int64_t& nSent, int64_t& nFee, const isminefilter& filter=(ISMINE_SPENDABLE|ISMINE_WATCH_ONLY)) const;
bool IsFromMe(const isminefilter& filter=(ISMINE_SPENDABLE|ISMINE_WATCH_ONLY)) const
{
return (GetDebit(filter) > 0);
}
bool IsConfirmed() const
{
return GetDepthInMainChain() >= 10;
}
bool IsTrusted() const
{
int nMinConfirmsRequiredToSendGRC = 3;
// Quick answer in most cases
if (!IsFinalTx(*this))
return false;
int nDepth = GetDepthInMainChain();
if (nDepth >= nMinConfirmsRequiredToSendGRC)
return true;
if (nDepth < 0)
return false;
if (fConfChange || !IsFromMe()) // using wtx's cached debit
return false;
// If no confirmations but it's from us, we can still
// consider it confirmed if all dependencies are confirmed
std::map<uint256, const CMerkleTx*> mapPrev;
std::vector<const CMerkleTx*> vWorkQueue;
vWorkQueue.reserve(vtxPrev.size()+1);
vWorkQueue.push_back(this);
for (unsigned int i = 0; i < vWorkQueue.size(); i++)
{
const CMerkleTx* ptx = vWorkQueue[i];
if (!IsFinalTx(*ptx))
return false;
int nPDepth = ptx->GetDepthInMainChain();
if (nPDepth >= 1)
continue;
if (nPDepth < 0)
return false;
if (!pwallet->IsFromMe(*ptx))
return false;
if (mapPrev.empty())
{
for (auto const& tx : vtxPrev)
mapPrev[tx.GetHash()] = &tx;
}
for (auto const& txin : ptx->vin)
{
if (!mapPrev.count(txin.prevout.hash))
return false;
vWorkQueue.push_back(mapPrev[txin.prevout.hash]);
}
}
return true;
}
bool WriteToDisk(CWalletDB *pwalletdb);
int64_t GetTxTime() const;
int GetRequestCount() const;
void AddSupportingTransactions(CTxDB& txdb);
bool AcceptWalletTransaction(CTxDB& txdb);
bool AcceptWalletTransaction();
void RelayWalletTransaction(CTxDB& txdb);
void RelayWalletTransaction();
};
class COutput
{
public:
const CWalletTx *tx;
int i;
int nDepth;
COutput(const CWalletTx *txIn, int iIn, int nDepthIn)
{
tx = txIn; i = iIn; nDepth = nDepthIn;
}
std::string ToString() const
{
return strprintf("COutput(%s, %d, %d) [%s]", tx->GetHash().ToString().substr(0,10).c_str(), i, nDepth, FormatMoney(tx->vout[i].nValue));
}
void print() const
{
LogPrintf("%s", ToString());
}
};
/** 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
CWalletKey(int64_t nExpires=0)
{
nTimeCreated = (nExpires ? GetAdjustedTime() : 0);
nTimeExpires = nExpires;
}
ADD_SERIALIZE_METHODS;
template <typename Stream, typename Operation>
inline void SerializationOp(Stream& s, Operation ser_action)
{
if (!(s.GetType() & SER_GETHASH)) {
int nVersion = s.GetVersion();
READWRITE(nVersion);
}
READWRITE(vchPrivKey);
READWRITE(nTimeCreated);
READWRITE(nTimeExpires);
READWRITE(strComment);
}
};
/** 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)
{
if (!(s.GetType() & SER_GETHASH)) {
int nVersion = s.GetVersion();
READWRITE(nVersion);
}
READWRITE(vchPubKey);
}
};
/** Internal transfers.
* Database key is acentry<account><counter>.
*/
class CAccountingEntry
{
public:
std::string strAccount;
int64_t nCreditDebit;
int64_t nTime;
std::string strOtherAccount;
std::string strComment;
mapValue_t mapValue;
int64_t nOrderPos; // position in ordered transaction list
uint64_t nEntryNo;