Trying to fix piggies [skip ci]

app/lib/Firefly/Storage/Piggybank/EloquentPiggybankRepository.php

@@ -32,6 +32,13 @@ class EloquentPiggybankRepository implements PiggybankRepositoryInterface
             'accounts.user_id', \Auth::user()->id
         )->get(['piggybanks.*']);
     }
+    public function updateAmount(\Piggybank $piggyBank, $amount) {
+        $piggyBank->amount = floatval($amount);
+        if($piggyBank->validate()) {
+            $piggyBank->save();
+        }
+
+    }
 
     public function store($data)
     {

app/lib/Firefly/Storage/Piggybank/PiggybankRepositoryInterface.php

@@ -15,4 +15,6 @@ interface PiggybankRepositoryInterface
     public function count();
     public function store($data);
     public function get();
+
+    public function updateAmount(\Piggybank $piggyBank, $amount);
 }