from typing import Protocol import httpx from ..core.crypto.secp import PrivateKey from ..core.db import Database class SupportsPrivateKey(Protocol): private_key: PrivateKey class SupportsDb(Protocol): db: Database class SupportsKeysets(Protocol): keyset_id: str class SupportsHttpxClient(Protocol): httpx: httpx.AsyncClient class SupportsMintURL(Protocol): url: str