diff options
Diffstat (limited to 'src/wallet/wallet.h')
| -rw-r--r-- | src/wallet/wallet.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/src/wallet/wallet.h b/src/wallet/wallet.h index 34e98cfb8..7e8dcc291 100644 --- a/src/wallet/wallet.h +++ b/src/wallet/wallet.h @@ -41,8 +41,12 @@ extern bool fPayAtLeastCustomFee; static const CAmount DEFAULT_TRANSACTION_FEE = 0; //! -paytxfee will warn if called with a higher fee than this amount (in satoshis) per KB static const CAmount nHighTransactionFeeWarning = 0.01 * COIN; +//! -mintxfee default +static const CAmount DEFAULT_TRANSACTION_MINFEE = 1000; //! -maxtxfee default static const CAmount DEFAULT_TRANSACTION_MAXFEE = 0.1 * COIN; +//! minimum change amount +static const CAmount MIN_CHANGE = CENT; //! -txconfirmtarget default static const unsigned int DEFAULT_TX_CONFIRM_TARGET = 2; //! -maxtxfee will warn if called with a higher fee than this amount (in satoshis) @@ -442,6 +446,11 @@ public: class CWallet : public CCryptoKeyStore, public CValidationInterface { private: + /** + * 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 CAmount& nTargetValue, std::set<std::pair<const CWalletTx*,unsigned int> >& setCoinsRet, CAmount& nValueRet, const CCoinControl *coinControl = NULL) const; CWalletDB *pwalletdbEncryption; @@ -539,7 +548,17 @@ public: //! check whether we are allowed to upgrade (or already support) to the named feature bool CanSupportFeature(enum WalletFeature wf) { AssertLockHeld(cs_wallet); return nWalletMaxVersion >= wf; } + /** + * populate vCoins with vector of available COutputs. + */ void AvailableCoins(std::vector<COutput>& vCoins, bool fOnlyConfirmed=true, const CCoinControl *coinControl = NULL, bool fIncludeZeroValue=false) const; + + /** + * 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, 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; @@ -622,7 +641,17 @@ public: CAmount GetWatchOnlyBalance() const; CAmount GetUnconfirmedWatchOnlyBalance() const; CAmount GetImmatureWatchOnlyBalance() const; + + /** + * Insert additional inputs into the transaction by + * calling CreateTransaction(); + */ bool FundTransaction(CMutableTransaction& tx, CAmount& nFeeRet, int& nChangePosRet, std::string& strFailReason, bool includeWatching); + + /** + * Create a new transaction paying the recipients with a set of coins + * selected by SelectCoins(); Also create the change output, when needed + */ bool CreateTransaction(const std::vector<CRecipient>& vecSend, CWalletTx& wtxNew, CReserveKey& reservekey, CAmount& nFeeRet, int& nChangePosRet, std::string& strFailReason, const CCoinControl *coinControl = NULL, bool sign = true); bool CommitTransaction(CWalletTx& wtxNew, CReserveKey& reservekey); |