Fix Genesis block date

Author: Mas7erMind

app/src/main/java/io/scalaproject/vault/util/RestoreHeight.java

@@ -34,6 +34,7 @@ public class RestoreHeight {
     static private RestoreHeight Singleton = null;
 
     static public final Integer GENESISBLOCK_DATE_YEAR = 2020;
+    static public final Integer GENESISBLOCK_DATE_MONTH = 7;
     static public final String GENESISBLOCK_DATE = "2020-07-31";
 
     static private final String CHECKPOINT_DATE = "2020-08-07";
@@ -86,7 +87,10 @@ public long getHeight(final Date date) {
         cal.setTime(date);
         cal.add(Calendar.DAY_OF_MONTH, -4); // give it some leeway
 
-        if(date.before(getGenesisBLockDate()))
+        if (cal.get(Calendar.YEAR) < GENESISBLOCK_DATE_YEAR)
+            return 0;
+        if ((cal.get(Calendar.YEAR) == GENESISBLOCK_DATE_YEAR) && (cal.get(Calendar.MONTH) <= GENESISBLOCK_DATE_MONTH))
+            // before July 2020
             return 0;
 
         Calendar query = (Calendar) cal.clone();