cleanup: reduce to one GetMinimumFee call signature

src/wallet/feebumper.cpp

@@ -160,7 +160,7 @@ CFeeBumper::CFeeBumper(const CWallet *pWallet, const uint256 txidIn, int newConf
     } else {
         // if user specified a confirm target then don't consider any global payTxFee
         if (specifiedConfirmTarget) {
-            nNewFee = CWallet::GetMinimumFee(maxNewTxSize, newConfirmTarget, mempool, ::feeEstimator, CAmount(0));
+            nNewFee = CWallet::GetMinimumFee(maxNewTxSize, newConfirmTarget, mempool, ::feeEstimator, true);
         }
         // otherwise use the regular wallet logic to select payTxFee or default confirm target
         else {

src/wallet/wallet.cpp

@@ -2777,17 +2777,12 @@ CAmount CWallet::GetRequiredFee(unsigned int nTxBytes)
     return std::max(minTxFee.GetFee(nTxBytes), ::minRelayTxFee.GetFee(nTxBytes));
 }
 
-CAmount CWallet::GetMinimumFee(unsigned int nTxBytes, unsigned int nConfirmTarget, const CTxMemPool& pool, const CBlockPolicyEstimator& estimator)
+CAmount CWallet::GetMinimumFee(unsigned int nTxBytes, unsigned int nConfirmTarget, const CTxMemPool& pool, const CBlockPolicyEstimator& estimator, bool ignoreUserSetFee)
 {
     // payTxFee is the user-set global for desired feerate
-    return GetMinimumFee(nTxBytes, nConfirmTarget, pool, estimator, payTxFee.GetFee(nTxBytes));
-}
-
-CAmount CWallet::GetMinimumFee(unsigned int nTxBytes, unsigned int nConfirmTarget, const CTxMemPool& pool, const CBlockPolicyEstimator& estimator, CAmount targetFee)
-{
-    CAmount nFeeNeeded = targetFee;
+    CAmount nFeeNeeded = payTxFee.GetFee(nTxBytes);
     // User didn't set: use -txconfirmtarget to estimate...
-    if (nFeeNeeded == 0) {
+    if (nFeeNeeded == 0 || ignoreUserSetFee) {
         int estimateFoundTarget = nConfirmTarget;
         nFeeNeeded = estimator.estimateSmartFee(nConfirmTarget, &estimateFoundTarget, pool).GetFee(nTxBytes);
         // ... unless we don't have enough mempool data for estimatefee, then use fallbackFee

src/wallet/wallet.h

@@ -945,12 +945,7 @@ public:
      * Estimate the minimum fee considering user set parameters
      * and the required fee
      */
-    static CAmount GetMinimumFee(unsigned int nTxBytes, unsigned int nConfirmTarget, const CTxMemPool& pool, const CBlockPolicyEstimator& estimator);
-    /**
-     * Estimate the minimum fee considering required fee and targetFee or if 0
-     * then fee estimation for nConfirmTarget
-     */
-    static CAmount GetMinimumFee(unsigned int nTxBytes, unsigned int nConfirmTarget, const CTxMemPool& pool, const CBlockPolicyEstimator& estimator, CAmount targetFee);
+    static CAmount GetMinimumFee(unsigned int nTxBytes, unsigned int nConfirmTarget, const CTxMemPool& pool, const CBlockPolicyEstimator& estimator, bool ignoreUserSetFee = false);
     /**
      * Return the minimum required fee taking into account the
      * floating relay fee and user set minimum transaction fee