rpc: remove unneeded RPCTypeCheckArgument checks

No-behavior change.

Since bitcoin#25629, we check the univalue type internally.

Author: furszy

src/rpc/fees.cpp

@@ -64,7 +64,6 @@ static RPCHelpMan estimatesmartfee()
         [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
         {
             RPCTypeCheck(request.params, {UniValue::VNUM, UniValue::VSTR});
-            RPCTypeCheckArgument(request.params[0], UniValue::VNUM);
 
             CBlockPolicyEstimator& fee_estimator = EnsureAnyFeeEstimator(request.context);
             const NodeContext& node = EnsureAnyNodeContext(request.context);
@@ -157,7 +156,6 @@ static RPCHelpMan estimaterawfee()
         [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
         {
             RPCTypeCheck(request.params, {UniValue::VNUM, UniValue::VNUM}, true);
-            RPCTypeCheckArgument(request.params[0], UniValue::VNUM);
 
             CBlockPolicyEstimator& fee_estimator = EnsureAnyFeeEstimator(request.context);
 

src/rpc/mempool.cpp

@@ -605,8 +605,7 @@ static RPCHelpMan gettxspendingprevout()
         },
         [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
         {
-            RPCTypeCheckArgument(request.params[0], UniValue::VARR);
-            const UniValue& output_params = request.params[0];
+            const UniValue& output_params = request.params[0].get_array();
             if (output_params.empty()) {
                 throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter, outputs are missing");
             }

src/wallet/rpc/coins.cpp

@@ -290,8 +290,6 @@ RPCHelpMan lockunspent()
 
     LOCK(pwallet->cs_wallet);
 
-    RPCTypeCheckArgument(request.params[0], UniValue::VBOOL);
-
     bool fUnlock = request.params[0].get_bool();
 
     const bool persistent{request.params[2].isNull() ? false : request.params[2].get_bool()};
@@ -304,9 +302,7 @@ RPCHelpMan lockunspent()
         return true;
     }
 
-    RPCTypeCheckArgument(request.params[1], UniValue::VARR);
-
-    const UniValue& output_params = request.params[1];
+    const UniValue& output_params = request.params[1].get_array();
 
     // Create and validate the COutPoints first.
 
@@ -566,19 +562,16 @@ RPCHelpMan listunspent()
 
     int nMinDepth = 1;
     if (!request.params[0].isNull()) {
-        RPCTypeCheckArgument(request.params[0], UniValue::VNUM);
         nMinDepth = request.params[0].getInt<int>();
     }
 
     int nMaxDepth = 9999999;
     if (!request.params[1].isNull()) {
-        RPCTypeCheckArgument(request.params[1], UniValue::VNUM);
         nMaxDepth = request.params[1].getInt<int>();
     }
 
     std::set<CTxDestination> destinations;
     if (!request.params[2].isNull()) {
-        RPCTypeCheckArgument(request.params[2], UniValue::VARR);
         UniValue inputs = request.params[2].get_array();
         for (unsigned int idx = 0; idx < inputs.size(); idx++) {
             const UniValue& input = inputs[idx];
@@ -594,7 +587,6 @@ RPCHelpMan listunspent()
 
     bool include_unsafe = true;
     if (!request.params[3].isNull()) {
-        RPCTypeCheckArgument(request.params[3], UniValue::VBOOL);
         include_unsafe = request.params[3].get_bool();
     }
 

src/wallet/rpc/spend.cpp

@@ -503,7 +503,6 @@ void FundTransaction(CWallet& wallet, CMutableTransaction& tx, CAmount& fee_out,
         coinControl.fAllowWatchOnly = options.get_bool();
       }
       else {
-        RPCTypeCheckArgument(options, UniValue::VOBJ);
         RPCTypeCheckObj(options,
             {
                 {"add_inputs", UniValueType(UniValue::VBOOL)},
@@ -1644,7 +1643,6 @@ RPCHelpMan walletcreatefundedpsbt()
     bool rbf{wallet.m_signal_rbf};
     const UniValue &replaceable_arg = options["replaceable"];
     if (!replaceable_arg.isNull()) {
-        RPCTypeCheckArgument(replaceable_arg, UniValue::VBOOL);
         rbf = replaceable_arg.isTrue();
     }
     CMutableTransaction rawTx = ConstructTransaction(request.params[0], request.params[1], request.params[2], rbf);