1 files changed, 6 insertions, 5 deletions
diff --git a/src/rpc/mining.cpp b/src/rpc/mining.cpp
index b3b8ee2b78..76170c3201 100644
--- a/src/rpc/mining.cpp
+++ b/src/rpc/mining.cpp
@@ -110,7 +110,7 @@ static RPCHelpMan getnetworkhashps()
 {
     ChainstateManager& chainman = EnsureAnyChainman(request.context);
     LOCK(cs_main);
-    return GetNetworkHashPS(!request.params[0].isNull() ? request.params[0].getInt<int>() : 120, !request.params[1].isNull() ? request.params[1].getInt<int>() : -1, chainman.ActiveChain());
+    return GetNetworkHashPS(self.Arg<int>(0), self.Arg<int>(1), chainman.ActiveChain());
 },
     };
 }
@@ -217,12 +217,12 @@ static RPCHelpMan generatetodescriptor()
             "\nGenerate 11 blocks to mydesc\n" + HelpExampleCli("generatetodescriptor", "11 \"mydesc\"")},
         [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
 {
-    const int num_blocks{request.params[0].getInt<int>()};
-    const uint64_t max_tries{request.params[2].isNull() ? DEFAULT_MAX_TRIES : request.params[2].getInt<int>()};
+    const auto num_blocks{self.Arg<int>(0)};
+    const auto max_tries{self.Arg<uint64_t>(2)};
 
     CScript coinbase_script;
     std::string error;
-    if (!getScriptFromDescriptor(request.params[1].get_str(), coinbase_script, error)) {
+    if (!getScriptFromDescriptor(self.Arg<std::string>(1), coinbase_script, error)) {
         throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, error);
     }
 
@@ -468,9 +468,10 @@ static RPCHelpMan prioritisetransaction()
     LOCK(cs_main);
 
     uint256 hash(ParseHashV(request.params[0], "txid"));
+    const auto dummy{self.MaybeArg<double>(1)};
     CAmount nAmount = request.params[2].getInt<int64_t>();
 
-    if (!(request.params[1].isNull() || request.params[1].get_real() == 0)) {
+    if (dummy && *dummy != 0) {
         throw JSONRPCError(RPC_INVALID_PARAMETER, "Priority is no longer supported, dummy argument to prioritisetransaction must be 0.");
     }