Add lndhub info to admin user page

app/models/lndhub_user.rb

@@ -10,6 +10,18 @@ class LndhubUser < LndhubBase
                     foreign_key: "login"
 
   def balance
-    accounts.current.first.ledgers.sum("account_ledgers.amount")
+    accounts.current.first.ledgers.sum("account_ledgers.amount").to_i.abs
+  end
+
+  def sum_outgoing
+    accounts.outgoing.first.ledgers.sum("account_ledgers.amount").to_i.abs
+  end
+
+  def sum_incoming
+    accounts.incoming.first.ledgers.sum("account_ledgers.amount").to_i.abs
+  end
+
+  def sum_fees
+    accounts.fees.first.ledgers.sum("account_ledgers.amount").to_i.abs
   end
 end