Fix https://github.com/firefly-iii/firefly-iii/issues/6260

app/Models/Bill.php

@@ -24,6 +24,7 @@ namespace FireflyIII\Models;
 
 use Eloquent;
 use FireflyIII\User;
+use Illuminate\Database\Eloquent\Casts\Attribute;
 use Illuminate\Database\Eloquent\Collection;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
@@ -223,4 +224,28 @@ class Bill extends Model
     {
         return $this->belongsTo(User::class);
     }
+
+    /**
+     * Get the max amount
+     *
+     * @return Attribute
+     */
+    protected function amountMax(): Attribute
+    {
+        return Attribute::make(
+            get: fn($value) => (string) $value,
+        );
+    }
+
+    /**
+     * Get the min amount
+     *
+     * @return Attribute
+     */
+    protected function amountMin(): Attribute
+    {
+        return Attribute::make(
+            get: fn($value) => (string) $value,
+        );
+    }
 }

app/Models/BudgetLimit.php

@@ -24,6 +24,7 @@ namespace FireflyIII\Models;
 
 use Eloquent;
 use Illuminate\Database\Eloquent\Builder;
+use Illuminate\Database\Eloquent\Casts\Attribute;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
 use Illuminate\Support\Carbon;
@@ -119,4 +120,16 @@ class BudgetLimit extends Model
     {
         return $this->belongsTo(TransactionCurrency::class);
     }
+
+    /**
+     * Get the amount
+     *
+     * @return Attribute
+     */
+    protected function amount(): Attribute
+    {
+        return Attribute::make(
+            get: fn($value) => (string) $value,
+        );
+    }
 }

app/Models/Transaction.php

@@ -25,6 +25,7 @@ namespace FireflyIII\Models;
 use Carbon\Carbon;
 use Eloquent;
 use Illuminate\Database\Eloquent\Builder;
+use Illuminate\Database\Eloquent\Casts\Attribute;
 use Illuminate\Database\Eloquent\Collection;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
@@ -256,4 +257,28 @@ class Transaction extends Model
     {
         return $this->belongsTo(TransactionJournal::class);
     }
+
+    /**
+     * Get the amount
+     *
+     * @return Attribute
+     */
+    protected function amount(): Attribute
+    {
+        return Attribute::make(
+            get: fn($value) => (string) $value,
+        );
+    }
+
+    /**
+     * Get the foreign amount
+     *
+     * @return Attribute
+     */
+    protected function foreignAmount(): Attribute
+    {
+        return Attribute::make(
+            get: fn($value) => (string) $value,
+        );
+    }
 }

app/Support/Steam.php

@@ -338,7 +338,7 @@ class Steam
         $return   = [];
         /** @var stdClass $entry */
         foreach ($balances as $entry) {
-            $return[(int) $entry->transaction_currency_id] = $entry->sum_for_currency;
+            $return[(int) $entry->transaction_currency_id] = (string) $entry->sum_for_currency;
         }
         $cache->store($return);