fix: make composite rpc 'masternode payments' to work with withdrawals

Author: knst

src/rpc/masternode.cpp

@@ -3,6 +3,7 @@
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
 #include <chainparams.h>
+#include <evo/assetlocktx.h>
 #include <evo/chainhelper.h>
 #include <evo/deterministicmns.h>
 #include <governance/classes.h>
@@ -406,13 +407,19 @@ static RPCHelpMan masternode_payments()
             if (tx->IsCoinBase()) {
                 continue;
             }
-            CAmount nValueIn{0};
-            for (const auto& txin : tx->vin) {
-                uint256 blockHashTmp;
-                CTransactionRef txPrev = GetTransaction(/* block_index */ nullptr, &mempool, txin.prevout.hash, Params().GetConsensus(), blockHashTmp);
-                nValueIn += txPrev->vout[txin.prevout.n].nValue;
+            if (!tx->IsPlatformTransfer()) {
+                CAmount nValueIn{0};
+                for (const auto& txin : tx->vin) {
+                    uint256 blockHashTmp;
+                    CTransactionRef txPrev = GetTransaction(/* block_index */ nullptr, &mempool, txin.prevout.hash, Params().GetConsensus(), blockHashTmp);
+                    nValueIn += txPrev->vout[txin.prevout.n].nValue;
+                }
+                nBlockFees += nValueIn - tx->GetValueOut();
+            } else {
+                if (const auto opt_assetUnlockTx = GetTxPayload<CAssetUnlockPayload>(*tx)) {
+                    nBlockFees += opt_assetUnlockTx->getFee();
+                }
             }
-            nBlockFees += nValueIn - tx->GetValueOut();
         }
 
         std::vector<CTxOut> voutMasternodePayments, voutDummy;