Bot
fef69fa4ba
- charts.py: serve OHLCV bars & trades from Postgres (klines/trades tables written by indexer), no synthetic data - entities.py: add TradeModel/KlineModel matching indexer schema - main.py: idempotent create_all on startup - config.py: unify default DATABASE_URL with docker-compose/indexer
66 lines
2.2 KiB
Python
66 lines
2.2 KiB
Python
import logging
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from contextlib import asynccontextmanager
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from fastapi import FastAPI, WebSocket, WebSocketDisconnect
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from fastapi.middleware.cors import CORSMiddleware
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from app.config import settings
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from app.api.routes.api import api_router
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from app.api.routes.charts import kline_router
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from app.api.dependencies import engine
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from app.models.entities import Base
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from app.ws.manager import ws_manager
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logging.basicConfig(level=logging.INFO, format="%(asctime)s [%(levelname)s] %(name)s: %(message)s")
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logger = logging.getLogger("WTFX-Backend")
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@asynccontextmanager
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async def lifespan(app: FastAPI):
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logger.info(f"Starting {settings.PROJECT_NAME} v{settings.VERSION} [{settings.ENVIRONMENT}]")
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# 幂等建表（含 Indexer 写入的 klines/trades），避免依赖外部建表步骤
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try:
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async with engine.begin() as conn:
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await conn.run_sync(Base.metadata.create_all)
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logger.info("Database tables ensured.")
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except Exception as e:
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logger.error(f"Failed to ensure database tables: {e}")
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yield
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logger.info("Shutting down WTFX Backend service...")
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await engine.dispose()
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app = FastAPI(
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title=settings.PROJECT_NAME,
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version=settings.VERSION,
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lifespan=lifespan,
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docs_url="/docs" if settings.DEBUG or settings.ENVIRONMENT != "production" else None,
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)
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# CORS 配置
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app.add_middleware(
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CORSMiddleware,
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allow_origins=settings.CORS_ORIGINS,
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allow_credentials=True,
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allow_methods=["*"],
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allow_headers=["*"],
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)
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# 注册 API 路由
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app.include_router(api_router, prefix="/api")
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app.include_router(kline_router, prefix="/api")
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# WebSocket 实时订阅端点
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@app.websocket("/ws/market/{market_address}")
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async def websocket_market_endpoint(websocket: WebSocket, market_address: str):
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channel = f"market:{market_address.lower()}"
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await ws_manager.connect(websocket, channel)
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try:
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while True:
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data = await websocket.receive_text()
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# 客户端心跳 ping/pong
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if data == "ping":
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await websocket.send_text("pong")
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except WebSocketDisconnect:
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ws_manager.disconnect(websocket, channel)
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@app.get("/health")
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async def health_check():
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return {"status": "ok", "version": settings.VERSION, "env": settings.ENVIRONMENT}
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