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-rw-r--r--src/wallet.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/wallet.cpp b/src/wallet.cpp
index f1cf104974..2d59506bab 100644
--- a/src/wallet.cpp
+++ b/src/wallet.cpp
@@ -1633,6 +1633,9 @@ CAmount CWallet::GetMinimumFee(unsigned int nTxBytes, unsigned int nConfirmTarge
{
// payTxFee is user-set "I want to pay this much"
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...
if (nFeeNeeded == 0)
nFeeNeeded = pool.estimateFee(nConfirmTarget).GetFee(nTxBytes);