rmi-backend/app/crypto_guard.py

34 lines
1.1 KiB
Python

"""Stub crypto_guard - wallet reputation and auth"""
from typing import Any
from fastapi import HTTPException, Request
def check_wallet_reputation(address: str, chain: str = "base") -> dict[str, Any]:
"""Check wallet reputation."""
return {
"address": address,
"chain": chain,
"reputation": "neither_good_nor_bad",
"risk_score": 0,
"flags": [],
}
def rate_limit_by_tier(user_tier: str, endpoint: str) -> dict[str, Any]:
"""Apply rate limiting based on user tier."""
limits = {
"FREE": {"requests_per_hour": 10, "daily_limit": 100},
"BASIC": {"requests_per_hour": 50, "daily_limit": 500},
"PREMIUM": {"requests_per_hour": 200, "daily_limit": 2000},
}
return {"tier": user_tier, "endpoint": endpoint, **limits.get(user_tier, limits["FREE"])}
async def require_crypto_auth(request: Request) -> dict[str, Any]:
"""Require crypto authentication."""
auth = request.headers.get("Authorization", "")
if not auth:
raise HTTPException(status_code=401, detail="Crypto auth required")
return {"authenticated": True, "wallet": "unknown"}