matitos
9c3bee87ac
FastAPI backend with a single-strategy async engine, paper and Binance brokers, pure-python indicators, a backtester that shares the engine's portfolio math, and a Vue dashboard with a live WebSocket feed. Adds the Gitea Actions CI/CD workflow that deploys to Traefik via docker_default.
53 lines
1.5 KiB
Python
53 lines
1.5 KiB
Python
from __future__ import annotations
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import httpx
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from app.market.base import MarketData
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from app.schemas import Candle
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BASE_URL = "https://api.binance.com"
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def to_exchange_symbol(symbol: str) -> str:
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return symbol.replace("/", "").upper()
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class BinanceMarketData(MarketData):
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"""Public Binance spot market data over REST (no API key required)."""
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def __init__(self, base_url: str = BASE_URL, timeout: float = 10.0) -> None:
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self._client = httpx.AsyncClient(base_url=base_url, timeout=timeout)
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async def fetch_candles(self, symbol: str, timeframe: str, limit: int) -> list[Candle]:
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response = await self._client.get(
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"/api/v3/klines",
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params={
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"symbol": to_exchange_symbol(symbol),
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"interval": timeframe,
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"limit": limit,
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},
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)
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response.raise_for_status()
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return [
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Candle(
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ts=int(row[0]),
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open=float(row[1]),
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high=float(row[2]),
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low=float(row[3]),
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close=float(row[4]),
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volume=float(row[5]),
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)
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for row in response.json()
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]
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async def fetch_price(self, symbol: str) -> float:
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response = await self._client.get(
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"/api/v3/ticker/price",
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params={"symbol": to_exchange_symbol(symbol)},
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)
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response.raise_for_status()
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return float(response.json()["price"])
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async def close(self) -> None:
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await self._client.aclose()
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