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Merge pull request #428 from sipa/mintxfeefix

Fix for small change outputs
pull/1/head
Pieter Wuille 11 years ago
parent
commit
b6d19aefa0
  1. 14
      src/wallet.cpp

14
src/wallet.cpp

@ -941,9 +941,17 @@ bool CWallet::CreateTransaction(const vector<pair<CScript, int64> >& vecSend, CW @@ -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

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