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Keep track of spent notes, and detect and report conflicts

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This commit is contained in:
Jack Grigg
2016-08-24 15:51:40 +12:00
parent c3a7307a69
commit 0f1060478f
3 changed files with 188 additions and 7 deletions
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16
src/wallet/wallet.h
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@@ -548,17 +548,28 @@ private:
int64_t nLastResend;
bool fBroadcastTransactions;
template <class T>
using TxSpendMap = std::multimap<T, uint256>;
/**
* 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;
typedef TxSpendMap<COutPoint> TxSpends;
TxSpends mapTxSpends;
/**
* Used to keep track of spent Notes, and
* detect and report conflicts (double-spends).
*/
typedef TxSpendMap<uint256> TxNullifiers;
TxNullifiers mapTxNullifiers;
void AddToSpends(const COutPoint& outpoint, const uint256& wtxid);
void AddToSpends(const uint256& nullifier, const uint256& wtxid);
void AddToSpends(const uint256& wtxid);
void SyncMetaData(std::pair<TxSpends::iterator, TxSpends::iterator>);
template <class T>
void SyncMetaData(std::pair<typename TxSpendMap<T>::iterator, typename TxSpendMap<T>::iterator>);
public:
/*
@@ -636,6 +647,7 @@ public:
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;
bool IsSpent(const uint256& hash, unsigned int n) const;
bool IsSpent(const uint256& nullifier) const;
bool IsLockedCoin(uint256 hash, unsigned int n) const;
void LockCoin(COutPoint& output);