76 lines
2.0 KiB
Python
76 lines
2.0 KiB
Python
"""
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FastAPI Backend — serves metrics and trade data to the React dashboard.
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"""
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from contextlib import asynccontextmanager
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import os
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from fastapi import FastAPI
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from fastapi.middleware.cors import CORSMiddleware
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from bot.data.db import Database
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db = Database()
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@asynccontextmanager
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async def lifespan(app: FastAPI):
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await db.connect()
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yield
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await db.disconnect()
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app = FastAPI(title="Polymarket Bot API", lifespan=lifespan)
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app.add_middleware(
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CORSMiddleware,
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allow_origins=["*"],
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allow_methods=["GET"],
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allow_headers=["*"],
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)
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@app.get("/health")
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async def health():
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return {"status": "ok", "paper_mode": os.getenv("PAPER_MODE", "true")}
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@app.get("/api/metrics")
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async def get_metrics():
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history = await db.get_metrics_history(days=42)
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if not history:
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return {"history": [], "latest": None}
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return {"history": history, "latest": history[0]}
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@app.get("/api/trades")
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async def get_trades(limit: int = 50):
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trades = await db.get_recent_trades(limit=limit)
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return {"trades": trades, "count": len(trades)}
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@app.get("/api/summary")
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async def get_summary():
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"""Dashboard summary card data."""
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history = await db.get_metrics_history(days=1)
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trades = await db.get_recent_trades(limit=500)
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latest = history[0] if history else {}
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paper_bankroll = float(os.getenv("PAPER_BANKROLL", "10000"))
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total_deployed = sum(t.get("net_cost", 0) for t in trades)
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return {
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"paper_mode": os.getenv("PAPER_MODE", "true") == "true",
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"paper_bankroll": paper_bankroll,
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"total_trades": len(trades),
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"total_deployed": total_deployed,
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"total_pnl": latest.get("total_pnl", 0),
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"win_rate": latest.get("win_rate", 0),
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"sharpe_ratio": latest.get("sharpe_ratio", 0),
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"calibration_score": latest.get("calibration_score", 0),
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"promotion_ready": (
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latest.get("sharpe_ratio", 0) >= 0.5
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and latest.get("win_rate", 0) >= 0.52
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and latest.get("calibration_score", 0) >= 0.7
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and len(trades) >= 50
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),
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}
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