Modify GetNullifiersForAddresses for Sapling

src/wallet/wallet.cpp

@@ -548,6 +548,12 @@ std::set<std::pair<libzcash::PaymentAddress, uint256>> CWallet::GetNullifiersFor
                 }
             }
         }
+        // Sapling
+        for (const auto & noteDataPair : txPair.second.mapSaplingNoteData) {
+            if (noteDataPair.second.nullifier && ivkMap.count(noteDataPair.second.ivk)) {
+                nullifierSet.insert(std::make_pair(ivkMap[noteDataPair.second.ivk], noteDataPair.second.nullifier.get()));
+            }
+        }
     }
     return nullifierSet;
 }