diff --git a/src/main/java/com/semuxpool/pool/block/BlockResultFactory.java b/src/main/java/com/semuxpool/pool/block/BlockResultFactory.java
index f35624e..bbb5e41 100644
--- a/src/main/java/com/semuxpool/pool/block/BlockResultFactory.java
+++ b/src/main/java/com/semuxpool/pool/block/BlockResultFactory.java
@@ -147,6 +147,7 @@ private Map<String, Long> getAgedVotesForBlock(Block block) throws IOException,
             long valueToAdd = 0L;
             //only count votes that are older than threshold
             // new version will have block on transaction, til then, we keep track of dates
+            // TODO - new version has this feature, should update logic!
 
             //if we have a voter whitelist, votes only count if they're in whitelist
             if (!voterWhitelist.isEmpty() && !voterWhitelist.contains(transaction.getFrom())) {
diff --git a/src/main/java/com/semuxpool/pool/persistence/JsonPersistence.java b/src/main/java/com/semuxpool/pool/persistence/JsonPersistence.java
index f27ed10..16d5eb5 100644
--- a/src/main/java/com/semuxpool/pool/persistence/JsonPersistence.java
+++ b/src/main/java/com/semuxpool/pool/persistence/JsonPersistence.java
@@ -51,7 +51,6 @@ public String persistPayout(Payout payout) {
         return null;
     }
 
-
     public PoolState loadPoolState() throws IOException {
         PoolState poolState = new PoolState();
 
diff --git a/src/main/java/com/semuxpool/pool/state/PoolState.java b/src/main/java/com/semuxpool/pool/state/PoolState.java
index 53c0b80..a4e761e 100644
--- a/src/main/java/com/semuxpool/pool/state/PoolState.java
+++ b/src/main/java/com/semuxpool/pool/state/PoolState.java
@@ -29,7 +29,6 @@ public class PoolState {
     private long currentBlock;
     private Date lastPayoutDate;
 
-
     public long getTotalPoolProfits() {
         return totalPoolProfits;
     }