refactor: Change pointer to reference because it can not be null

Author: MarcoFalke

src/wallet/rpcwallet.cpp

@@ -198,7 +198,7 @@ static std::string LabelFromValue(const UniValue& value)
 /**
  * Update coin control with fee estimation based on the given parameters
  *
- * @param[in]     pwallet           Wallet pointer
+ * @param[in]     wallet            Wallet reference
  * @param[in,out] cc                Coin control to be updated
  * @param[in]     conf_target       UniValue integer; confirmation target in blocks, values between 1 and 1008 are valid per policy/fees.h;
  *                                      if a fee_rate is present, 0 is allowed here as a no-op positional placeholder
@@ -210,7 +210,7 @@ static std::string LabelFromValue(const UniValue& value)
  *                                      verify only that fee_rate is greater than 0
  * @throws a JSONRPCError if conf_target, estimate_mode, or fee_rate contain invalid values or are in conflict
  */
-static void SetFeeEstimateMode(const CWallet* pwallet, CCoinControl& cc, const UniValue& conf_target, const UniValue& estimate_mode, const UniValue& fee_rate, bool override_min_fee)
+static void SetFeeEstimateMode(const CWallet& wallet, CCoinControl& cc, const UniValue& conf_target, const UniValue& estimate_mode, const UniValue& fee_rate, bool override_min_fee)
 {
     if (!fee_rate.isNull()) {
         if (!conf_target.isNull() && conf_target.get_int() > 0) {
@@ -235,7 +235,7 @@ static void SetFeeEstimateMode(const CWallet* pwallet, CCoinControl& cc, const U
         throw JSONRPCError(RPC_INVALID_PARAMETER, InvalidEstimateModeErrorMessage());
     }
     if (!conf_target.isNull()) {
-        cc.m_confirm_target = ParseConfirmTarget(conf_target, pwallet->chain().estimateMaxBlocks());
+        cc.m_confirm_target = ParseConfirmTarget(conf_target, wallet.chain().estimateMaxBlocks());
     }
 }
 
@@ -514,7 +514,7 @@ static RPCHelpMan sendtoaddress()
     // We also enable partial spend avoidance if reuse avoidance is set.
     coin_control.m_avoid_partial_spends |= coin_control.m_avoid_address_reuse;
 
-    SetFeeEstimateMode(pwallet, coin_control, /* conf_target */ request.params[6], /* estimate_mode */ request.params[7], /* fee_rate */ request.params[9], /* override_min_fee */ false);
+    SetFeeEstimateMode(*pwallet, coin_control, /* conf_target */ request.params[6], /* estimate_mode */ request.params[7], /* fee_rate */ request.params[9], /* override_min_fee */ false);
 
     EnsureWalletIsUnlocked(pwallet);
 
@@ -942,7 +942,7 @@ static RPCHelpMan sendmany()
         coin_control.m_signal_bip125_rbf = request.params[5].get_bool();
     }
 
-    SetFeeEstimateMode(pwallet, coin_control, /* conf_target */ request.params[6], /* estimate_mode */ request.params[7], /* fee_rate */ request.params[8], /* override_min_fee */ false);
+    SetFeeEstimateMode(*pwallet, coin_control, /* conf_target */ request.params[6], /* estimate_mode */ request.params[7], /* fee_rate */ request.params[8], /* override_min_fee */ false);
 
     std::vector<CRecipient> recipients;
     ParseRecipients(sendTo, subtractFeeFromAmount, recipients);
@@ -3164,7 +3164,7 @@ void FundTransaction(CWallet* const pwallet, CMutableTransaction& tx, CAmount& f
         if (options.exists("replaceable")) {
             coinControl.m_signal_bip125_rbf = options["replaceable"].get_bool();
         }
-        SetFeeEstimateMode(pwallet, coinControl, options["conf_target"], options["estimate_mode"], options["fee_rate"], override_min_fee);
+        SetFeeEstimateMode(*pwallet, coinControl, options["conf_target"], options["estimate_mode"], options["fee_rate"], override_min_fee);
       }
     } else {
         // if options is null and not a bool
@@ -3492,7 +3492,7 @@ static RPCHelpMan bumpfee_helper(std::string method_name)
         if (options.exists("replaceable")) {
             coin_control.m_signal_bip125_rbf = options["replaceable"].get_bool();
         }
-        SetFeeEstimateMode(pwallet, coin_control, conf_target, options["estimate_mode"], options["fee_rate"], /* override_min_fee */ false);
+        SetFeeEstimateMode(*pwallet, coin_control, conf_target, options["estimate_mode"], options["fee_rate"], /* override_min_fee */ false);
     }
 
     // Make sure the results are valid at least up to the most recent block