diff options
-rw-r--r-- | src/wallet/spend.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/wallet/spend.cpp b/src/wallet/spend.cpp index cd51ead539..3bb7134b24 100644 --- a/src/wallet/spend.cpp +++ b/src/wallet/spend.cpp @@ -778,6 +778,10 @@ bool CWallet::CreateTransactionInternal( fee_needed = coin_selection_params.m_effective_feerate.GetFee(nBytes); } + // The only time that fee_needed should be less than the amount available for fees (in change_and_fee - change_amount) is when + // we are subtracting the fee from the outputs. If this occurs at any other time, it is a bug. + assert(coin_selection_params.m_subtract_fee_outputs || fee_needed <= change_and_fee - change_amount); + // Update nFeeRet in case fee_needed changed due to dropping the change output if (fee_needed <= change_and_fee - change_amount) { nFeeRet = change_and_fee - change_amount; |