diff options
| -rw-r--r-- | src/wallet.cpp | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/src/wallet.cpp b/src/wallet.cpp index 2ee918fdab..e9fa5a5207 100644 --- a/src/wallet.cpp +++ b/src/wallet.cpp @@ -941,9 +941,17 @@ bool CWallet::CreateTransaction(const vector<pair<CScript, int64> >& vecSend, CW dPriority += (double)nCredit * pcoin.first->GetDepthInMainChain(); } - // Fill a vout back to self with any change - int64 nChange = nValueIn - nTotalValue; - if (nChange >= CENT) + int64 nChange = nValueIn - nValue - nFeeRet; + // if sub-cent change is required, the fee must be raised to at least MIN_TX_FEE + // or until nChange becomes zero + if (nFeeRet < MIN_TX_FEE && nChange > 0 && nChange < CENT) + { + int64 nMoveToFee = min(nChange, MIN_TX_FEE - nFeeRet); + nChange -= nMoveToFee; + nFeeRet += nMoveToFee; + } + + if (nChange > 0) { // Note: We use a new key here to keep it from being obvious which side is the change. // The drawback is that by not reusing a previous key, the change may be lost if a |