Ignore RejectDuplicate and swallow other rule errors

domain/miningmanager/mempool/revalidate_high_priority_transactions.go

@@ -4,6 +4,7 @@ import (
 	"github.com/kaspanet/kaspad/domain/consensus/model/externalapi"
 	"github.com/kaspanet/kaspad/domain/miningmanager/mempool/model"
 	"github.com/kaspanet/kaspad/infrastructure/logger"
+	"github.com/pkg/errors"
 )
 
 func (mp *mempool) revalidateHighPriorityTransactions() ([]*externalapi.DomainTransaction, error) {
@@ -109,6 +110,15 @@ func (mp *mempool) revalidateTransaction(transaction *model.MempoolTransaction)
 
 	_, err = mp.validateAndInsertTransaction(transaction.Transaction(), false, false)
 	if err != nil {
+		ruleError := TxRuleError{}
+		if errors.As(err, &ruleError) {
+			if ruleError.RejectCode == RejectDuplicate {
+				return true, nil
+			}
+
+			log.Debugf("Validation for high priority transaction %s failed: %s", transaction.TransactionID(), err)
+			return false, nil
+		}
 		return false, err
 	}