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[Wallet] Prevent user from paying a non-sense fee

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This commit is contained in:
Cozz Lovan 2014-11-02 18:28:43 +01:00
parent ed3e5e468c
commit e7876b2979
1 changed files with 3 additions and 0 deletions
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3
src/wallet.cpp
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@ -1633,6 +1633,9 @@ CAmount CWallet::GetMinimumFee(unsigned int nTxBytes, unsigned int nConfirmTarge
{ {
// payTxFee is user-set "I want to pay this much" // payTxFee is user-set "I want to pay this much"
CAmount nFeeNeeded = payTxFee.GetFee(nTxBytes); CAmount nFeeNeeded = payTxFee.GetFee(nTxBytes);
// prevent user from paying a non-sense fee (like 1 satoshi): 0 < fee < minRelayFee
if (nFeeNeeded > 0 && nFeeNeeded < ::minRelayTxFee.GetFee(nTxBytes))
nFeeNeeded = ::minRelayTxFee.GetFee(nTxBytes);
// User didn't set: use -txconfirmtarget to estimate... // User didn't set: use -txconfirmtarget to estimate...
if (nFeeNeeded == 0) if (nFeeNeeded == 0)
nFeeNeeded = pool.estimateFee(nConfirmTarget).GetFee(nTxBytes); nFeeNeeded = pool.estimateFee(nConfirmTarget).GetFee(nTxBytes);