chore: update version/readme; minor auth logging and settings usage

README.md

@@ -91,7 +91,7 @@ The most common settings are shown below. See `.env.example` for the full list.
 
 - `UPSTREAM_BASE_URL` – URL of the OpenAI-compatible service
 - `UPSTREAM_API_KEY` – API key for the upstream service (optional)
-- `MODEL_BASED_PRICING` – Set to `true` to use pricing from `models.json`
+- `FIXED_PRICING` – Set to `true` to use a fixed per-request price; `false` (default) uses model pricing from `models.json`
 - `ADMIN_PASSWORD` – Password for the `/admin/` dashboard
 - `CASHU_MINTS` – Comma-separated list of Cashu mint URLs
 - `NAME` – Name of the proxy

routstr/__init__.py

@@ -1,7 +1,3 @@
-import dotenv
-
-dotenv.load_dotenv()
-
 from .core.main import app as fastapi_app  # noqa
 
 __all__ = ["fastapi_app"]

routstr/auth.py

@@ -7,18 +7,14 @@ from sqlmodel import col, update
 
 from .core import get_logger
 from .core.db import ApiKey, AsyncSession
+from .core.settings import settings
 from .payment.cost_caculation import (
     CostData,
     CostDataError,
     MaxCostData,
     calculate_cost,
 )
-from .wallet import (
+from .wallet import credit_balance, deserialize_token_from_string
-    PRIMARY_MINT_URL,
-    TRUSTED_MINTS,
-    credit_balance,
-    deserialize_token_from_string,
-)
 
 logger = get_logger(__name__)
 
@@ -165,12 +161,12 @@ async def validate_bearer_key(
                     "has_expiry_time": bool(key_expiry_time),
                 },
             )
-            if token_obj.mint in TRUSTED_MINTS:
+            if token_obj.mint in settings.cashu_mints:
                 refund_currency = token_obj.unit
                 refund_mint_url = token_obj.mint
             else:
                 refund_currency = "sat"
-                refund_mint_url = PRIMARY_MINT_URL
+                refund_mint_url = settings.primary_mint
 
             new_key = ApiKey(
                 hashed_key=hashed_key,