server: Remove 6k from the supplies (temporal fix)

It looks like the supplies are not being computed correctly,
this temporal fix allow us to have an accurate number while
having time to investigate the issue.

server/app/com/xsn/explorer/data/anorm/dao/StatisticsPostgresDAO.scala

@@ -11,7 +11,7 @@ class StatisticsPostgresDAO {
   import StatisticsPostgresDAO._
 
   def getStatistics(implicit conn: Connection): Statistics = {
-    SQL(
+    val result = SQL(
       s"""
         |SELECT
         |  (
@@ -26,6 +26,11 @@ class StatisticsPostgresDAO {
         |  (SELECT COALESCE(MAX(height), 0) FROM blocks) AS blocks
       """.stripMargin
     ).as(StatisticsParsers.parseStatistics.single)
+
+    val shiftBy = BigDecimal(6000000)
+    val totalSupply = result.totalSupply.map(x => (x - shiftBy) max 0)
+    val circulatingSupply = result.circulatingSupply.map(x => (x - shiftBy) max 0)
+    result.copy(totalSupply = totalSupply, circulatingSupply = circulatingSupply)
   }
 }