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4ae946d | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 | from typing import Any
from core.plugin_system.interface import PluginContext, PluginInterface, PluginMetadata
class Plugin(PluginInterface):
@property
def metadata(self) -> PluginMetadata:
return PluginMetadata(
name="Basic Fraud Detection",
version="1.0.0",
namespace="standard/fraud_detection",
author="Zenith Team",
description="Rule-based fraud detection engine",
dependencies={},
capabilities=["fraud_detection"],
security_level="official",
api_version="1.0",
)
async def initialize(self, context: PluginContext) -> bool:
self.context = context
self.db = context.get_service("db_service")
return True
async def execute(self, transaction_data: dict, **kwargs) -> Any:
# Example logic
amount = transaction_data.get("amount", 0)
risk_score = 0.0
if amount > 10000:
risk_score = 0.8
# Safe DB Query via Facade
if self.db:
# self.db.query("History", {"user_id": ...})
pass
return {
"risk_score": risk_score,
"status": "review_required" if risk_score > 0.5 else "approved",
}
async def cleanup(self) -> None:
pass
def validate_config(self, config: dict[str, Any]) -> list[str]:
return []
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