diff options
| -rw-r--r-- | src/main.cpp | 6 | ||||
| -rw-r--r-- | src/wallet.cpp | 7 |
2 files changed, 8 insertions, 5 deletions
diff --git a/src/main.cpp b/src/main.cpp index 4b2c32e345..e2e2d3b84f 100644 --- a/src/main.cpp +++ b/src/main.cpp @@ -760,8 +760,10 @@ int64 GetMinFee(const CTransaction& tx, bool fAllowFree, enum GetMinFee_mode mod nMinFee = 0; } - // To limit dust spam, require base fee if any output is less than 0.01 - if (nMinFee < nBaseFee) + // This code can be removed after enough miners have upgraded to version 0.9. + // Until then, be safe when sending and require a fee if any output + // is less than CENT: + if (nMinFee < nBaseFee && mode == GMF_SEND) { BOOST_FOREACH(const CTxOut& txout, tx.vout) if (txout.nValue < CENT) diff --git a/src/wallet.cpp b/src/wallet.cpp index 54ede12a50..daa5ba06ff 100644 --- a/src/wallet.cpp +++ b/src/wallet.cpp @@ -1232,9 +1232,10 @@ bool CWallet::CreateTransaction(const vector<pair<CScript, int64> >& vecSend, } int64 nChange = nValueIn - nValue - nFeeRet; - // if sub-cent change is required, the fee must be raised to at least nMinTxFee - // or until nChange becomes zero - // NOTE: this depends on the exact behaviour of GetMinFee + // The following if statement should be removed once enough miners + // have upgraded to the 0.9 GetMinFee() rules. Until then, this avoids + // creating free transactions that have change outputs less than + // CENT bitcoins. if (nFeeRet < CTransaction::nMinTxFee && nChange > 0 && nChange < CENT) { int64 nMoveToFee = min(nChange, CTransaction::nMinTxFee - nFeeRet); |