fix(payments): enforce RUB as default service currency

bot/services/crypto_pay_service.py

@@ -362,7 +362,7 @@ class CryptoPayService:
                 await notification_service.notify_payment_received(
                     user_id=user_id,
                     amount=float(invoice.amount),
-                    currency=invoice.asset or settings.DEFAULT_CURRENCY_SYMBOL,
+                    currency=invoice.asset or "RUB",
                     months=int(months) if sale_mode != "traffic" else 0,
                     traffic_gb=traffic_gb if sale_mode == "traffic" else None,
                     payment_provider="crypto_pay",

bot/services/freekassa_service.py

@@ -44,7 +44,7 @@ class FreeKassaService:
         self.shop_id: Optional[str] = settings.FREEKASSA_MERCHANT_ID
         self.api_key: Optional[str] = settings.FREEKASSA_API_KEY
         self.second_secret: Optional[str] = settings.FREEKASSA_SECOND_SECRET
-        self.default_currency: str = (settings.DEFAULT_CURRENCY_SYMBOL or "RUB").upper()
+        self.default_currency: str = "RUB"
         self.server_ip: Optional[str] = settings.FREEKASSA_PAYMENT_IP
         self.payment_method_id: Optional[int] = settings.FREEKASSA_PAYMENT_METHOD_ID
 

bot/services/platega_service.py

@@ -142,7 +142,7 @@ class PlategaService:
 
         http_session = await self._get_session()
         url = f"{self.base_url}/transaction/process"
-        currency_code = (currency or self.settings.DEFAULT_CURRENCY_SYMBOL or "RUB").upper()
+        currency_code = (currency or "RUB").upper()
 
         body: Dict[str, Any] = {
             "paymentMethod": int(self.payment_method),
@@ -201,7 +201,7 @@ class PlategaService:
         transaction_id = str(data.get("id") or data.get("transactionId") or "").strip()
         status = str(data.get("status") or "").upper()
         amount_raw = data.get("amount")
-        currency = data.get("currency") or self.settings.DEFAULT_CURRENCY_SYMBOL or "RUB"
+        currency = data.get("currency") or "RUB"
 
         if not transaction_id or not status:
             logging.error("Platega webhook: missing transaction id or status in payload: %s", data)

bot/services/severpay_service.py

@@ -165,7 +165,7 @@ class SeverPayService:
 
         http_session = await self._get_session()
         url = f"{self.base_url}/payin/create"
-        currency_code = (currency or self.settings.DEFAULT_CURRENCY_SYMBOL or "RUB").upper()
+        currency_code = (currency or "RUB").upper()
         amount_str = self._format_amount(amount)
 
         body = {