1 files changed, 13 insertions, 7 deletions

diff --git a/src/rpc/rawtransaction.cpp b/src/rpc/rawtransaction.cpp
index c79ac45b01..b0af7e09d4 100644
--- a/src/rpc/rawtransaction.cpp
+++ b/src/rpc/rawtransaction.cpp
@@ -352,7 +352,7 @@ static UniValue verifytxoutproof(const JSONRPCRequest& request)
     return res;
 }
 
-CMutableTransaction ConstructTransaction(const UniValue& inputs_in, const UniValue& outputs_in, const UniValue& locktime, const UniValue& rbf)
+CMutableTransaction ConstructTransaction(const UniValue& inputs_in, const UniValue& outputs_in, const UniValue& locktime, bool rbf)
 {
     if (inputs_in.isNull() || outputs_in.isNull())
         throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter, arguments 1 and 2 must be non-null");
@@ -370,8 +370,6 @@ CMutableTransaction ConstructTransaction(const UniValue& inputs_in, const UniVal
         rawTx.nLockTime = nLockTime;
     }
 
-    bool rbfOptIn = rbf.isTrue();
-
     for (unsigned int idx = 0; idx < inputs.size(); idx++) {
         const UniValue& input = inputs[idx];
         const UniValue& o = input.get_obj();
@@ -386,7 +384,7 @@ CMutableTransaction ConstructTransaction(const UniValue& inputs_in, const UniVal
             throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter, vout must be positive");
 
         uint32_t nSequence;
-        if (rbfOptIn) {
+        if (rbf) {
             nSequence = MAX_BIP125_RBF_SEQUENCE; /* CTxIn::SEQUENCE_FINAL - 2 */
         } else if (rawTx.nLockTime) {
             nSequence = CTxIn::SEQUENCE_FINAL - 1;
@@ -458,7 +456,7 @@ CMutableTransaction ConstructTransaction(const UniValue& inputs_in, const UniVal
         }
     }
 
-    if (!rbf.isNull() && rawTx.vin.size() > 0 && rbfOptIn != SignalsOptInRBF(CTransaction(rawTx))) {
+    if (rbf && rawTx.vin.size() > 0 && !SignalsOptInRBF(CTransaction(rawTx))) {
         throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter combination: Sequence number(s) contradict replaceable option");
     }
 
@@ -528,7 +526,11 @@ static UniValue createrawtransaction(const JSONRPCRequest& request)
         }, true
     );
 
-    CMutableTransaction rawTx = ConstructTransaction(request.params[0], request.params[1], request.params[2], request.params[3]);
+    bool rbf = false;
+    if (!request.params[3].isNull()) {
+        rbf = request.params[3].isTrue();
+    }
+    CMutableTransaction rawTx = ConstructTransaction(request.params[0], request.params[1], request.params[2], rbf);
 
     return EncodeHexTx(CTransaction(rawTx));
 }
@@ -1632,7 +1634,11 @@ UniValue createpsbt(const JSONRPCRequest& request)
         }, true
     );
 
-    CMutableTransaction rawTx = ConstructTransaction(request.params[0], request.params[1], request.params[2], request.params[3]);
+    bool rbf = false;
+    if (!request.params[3].isNull()) {
+        rbf = request.params[3].isTrue();
+    }
+    CMutableTransaction rawTx = ConstructTransaction(request.params[0], request.params[1], request.params[2], rbf);
 
     // Make a blank psbt
     PartiallySignedTransaction psbtx;