k
4ffcb442fe
- New migrations for daily_budget, active_window, and bottrade snapshot - Add trumpstruth scraper and price_impact_monitor service - Expand bot_engine, hyperliquid, recovery, and tp_sl_monitor logic - Update API/schemas/models for new features Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
273 lines
11 KiB
Python
273 lines
11 KiB
Python
"""
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Hyperliquid BTC perpetual trading client.
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KEY CONCEPT — two wallets:
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• account_address : Your MetaMask address. Holds USDC and open positions.
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Used for all info/query calls.
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• api_private_key : API wallet private key generated at app.hyperliquid.xyz/API.
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Used only for signing orders. Cannot withdraw.
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Both are read from config (hl_account_address, hl_api_private_key).
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"""
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import asyncio
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import logging
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from functools import partial
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from typing import Optional
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from eth_account import Account
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from hyperliquid.exchange import Exchange
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from hyperliquid.info import Info
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logger = logging.getLogger(__name__)
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HL_MAINNET_URL = "https://api.hyperliquid.xyz"
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HL_TESTNET_URL = "https://api.hyperliquid-testnet.xyz"
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# Precision map — Hyperliquid's szDecimals for common coins
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# Fetched dynamically via meta() but cached here as fallback
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SZ_DECIMALS_FALLBACK = {"BTC": 5, "ETH": 4}
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class HyperliquidTrader:
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def __init__(
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self,
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api_private_key: str,
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account_address: str,
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leverage: int = 3,
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mainnet: bool = True,
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):
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"""
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Args:
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api_private_key: Private key of the API wallet (from Hyperliquid dashboard).
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account_address: Main MetaMask wallet address (holds USDC + positions).
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leverage: Isolated leverage to set before each trade.
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mainnet: True = mainnet, False = testnet.
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"""
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self._api_wallet = Account.from_key(api_private_key)
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self._account_address = account_address.lower()
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self._leverage = leverage
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self._base_url = HL_MAINNET_URL if mainnet else HL_TESTNET_URL
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# Exchange signs with api_wallet but acts on behalf of account_address
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self._exchange = Exchange(
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self._api_wallet,
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self._base_url,
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account_address=self._account_address,
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)
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self._info = Info(self._base_url, skip_ws=True)
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# ── internal helpers ──────────────────────────────────────────────────────
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async def _run(self, fn, *args, **kwargs):
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"""Run blocking SDK calls in a thread pool without blocking the event loop."""
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loop = asyncio.get_running_loop()
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return await loop.run_in_executor(None, partial(fn, *args, **kwargs))
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async def _get_sz_decimals(self, coin: str) -> int:
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try:
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meta = await self._run(self._info.meta)
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for u in meta.get("universe", []):
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if u.get("name") == coin:
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return int(u.get("szDecimals", SZ_DECIMALS_FALLBACK.get(coin, 4)))
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except Exception:
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pass
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return SZ_DECIMALS_FALLBACK.get(coin, 4)
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async def _mid_price(self, coin: str) -> float:
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mids = await self._run(self._info.all_mids)
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price = float(mids.get(coin, 0))
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if price <= 0:
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raise ValueError(f"Cannot get mid price for {coin}")
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return price
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# ── public interface ─────────────────────────────────────────────────────
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async def get_balance(self) -> float:
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"""Return withdrawable USDC balance of the main (MetaMask) account."""
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try:
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state = await self._run(self._info.user_state, self._account_address)
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return float(state.get("withdrawable", 0))
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except Exception as exc:
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logger.error("get_balance error: %s", exc)
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return 0.0
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async def get_open_positions(self) -> list:
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"""Return all open positions of the main account (non-zero size only)."""
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try:
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state = await self._run(self._info.user_state, self._account_address)
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positions = []
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for asset_pos in state.get("assetPositions", []):
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pos = asset_pos.get("position", {})
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szi = float(pos.get("szi", 0))
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if szi != 0:
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positions.append({
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"coin": pos.get("coin"),
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"szi": szi, # positive = long, negative = short
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"entry_px": float(pos.get("entryPx", 0) or 0),
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"unrealized_pnl": float(pos.get("unrealizedPnl", 0) or 0),
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"leverage": pos.get("leverage", {}),
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})
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return positions
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except Exception as exc:
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logger.error("get_open_positions error: %s", exc)
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raise
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async def set_leverage(self, coin: str) -> None:
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"""Set isolated leverage for the given coin."""
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try:
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await self._run(
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self._exchange.update_leverage,
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self._leverage,
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coin,
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False, # is_cross=False → isolated margin
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)
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logger.info("Set leverage %dx for %s (isolated)", self._leverage, coin)
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except Exception as exc:
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logger.warning("set_leverage error (non-fatal): %s", exc)
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async def open_position(
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self,
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asset: str,
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side: str, # "long" or "short"
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size_usd: float,
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) -> dict:
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"""
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Open a market position.
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Returns:
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{"order_id": str, "fill_price": float, "size_coins": float}
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"""
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coin = asset.upper()
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is_buy = side.lower() == "long"
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# 1. Set leverage before opening
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await self.set_leverage(coin)
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# 2. Compute coin size from USD notional
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mid = await self._mid_price(coin)
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sz_dec = await self._get_sz_decimals(coin)
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size_coins = round(size_usd / mid, sz_dec)
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if size_coins <= 0:
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raise ValueError(f"Computed size too small: {size_coins} {coin} from ${size_usd}")
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# 3. Limit price with 1% slippage (IOC acts as market)
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slippage = 0.01
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# Hyperliquid px must be ≤5 sig-figs AND divisible by tick size.
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# For BTC ~$76k tick=$1 (integer); for ETH ~$3k tick=$0.1. Use 5 sig-figs + coin-based rounding.
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raw_px = mid * (1 + slippage) if is_buy else mid * (1 - slippage)
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if raw_px >= 10000:
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limit_px = float(round(raw_px)) # integer dollars for BTC
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elif raw_px >= 1000:
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limit_px = round(raw_px, 1)
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elif raw_px >= 100:
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limit_px = round(raw_px, 2)
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else:
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limit_px = round(raw_px, 3)
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logger.info(
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"Opening %s %s: %.5f coins @ limit %.2f (mid=%.2f, usd=%.2f)",
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side, coin, size_coins, limit_px, mid, size_usd,
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)
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result = await self._run(
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self._exchange.order,
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coin,
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is_buy,
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size_coins,
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limit_px,
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{"limit": {"tif": "Ioc"}}, # Immediate-or-Cancel ≈ market
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)
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statuses = result.get("response", {}).get("data", {}).get("statuses", [{}])
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status = statuses[0] if statuses else {}
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# "error" key present → HL rejected the order entirely
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if "error" in status:
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raise ValueError(f"HL order rejected: {status['error']}")
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filled_info = status.get("filled") or {}
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total_sz = float(filled_info.get("totalSz", 0) or 0)
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if total_sz <= 0:
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# IOC returned with zero fill — no position was opened
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raise ValueError(
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f"IOC order for {coin} returned 0 fill "
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f"(status={status}). No position opened."
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)
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fill_price = float(filled_info.get("avgPx", mid) or mid)
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# oid lives under "filled" for IOC; "resting" is fallback for unexpected GTC
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oid_src = filled_info or status.get("resting") or {}
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order_id = str(oid_src.get("oid", "")) if oid_src else ""
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logger.info("Opened %s %s @ %.2f size=%.5f (order_id=%s)",
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side, coin, fill_price, total_sz, order_id)
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return {"order_id": order_id, "fill_price": fill_price, "size_coins": total_sz}
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async def close_position(self, asset: str) -> dict:
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"""
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Close all open positions for the given asset using a reduce-only IOC order.
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Returns:
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{"fill_price": float}
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"""
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coin = asset.upper()
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positions = await self.get_open_positions()
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target = next((p for p in positions if p.get("coin") == coin), None)
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if target is None:
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logger.warning("No open %s position found on HL — already closed externally?", coin)
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# Return sentinel so callers can detect "nothing to close" vs "closed @ price"
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return {"fill_price": None, "already_closed": True}
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szi = float(target["szi"])
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is_buy = szi < 0 # closing a short → buy back
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size = abs(szi)
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mid = await self._mid_price(coin)
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slippage = 0.01
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# Hyperliquid px must be ≤5 sig-figs AND divisible by tick size.
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# For BTC ~$76k tick=$1 (integer); for ETH ~$3k tick=$0.1. Use 5 sig-figs + coin-based rounding.
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raw_px = mid * (1 + slippage) if is_buy else mid * (1 - slippage)
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if raw_px >= 10000:
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limit_px = float(round(raw_px)) # integer dollars for BTC
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elif raw_px >= 1000:
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limit_px = round(raw_px, 1)
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elif raw_px >= 100:
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limit_px = round(raw_px, 2)
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else:
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limit_px = round(raw_px, 3)
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logger.info("Closing %s %s: size=%.5f @ limit %.2f", coin, "short" if is_buy else "long", size, limit_px)
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result = await self._run(
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self._exchange.order,
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coin,
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is_buy,
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size,
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limit_px,
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{"limit": {"tif": "Ioc"}},
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reduce_only=True,
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)
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statuses = result.get("response", {}).get("data", {}).get("statuses", [{}])
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status = statuses[0] if statuses else {}
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filled_info = status.get("filled") or {}
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total_sz = float(filled_info.get("totalSz", 0) or 0)
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if total_sz <= 0:
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# IOC close got 0 fill — position may have already been closed externally.
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# Re-check to be sure before giving up.
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positions_after = await self.get_open_positions()
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still_open = next((p for p in positions_after if p.get("coin") == coin), None)
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if still_open is None:
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logger.info("Close IOC got 0 fill but position is gone — treated as closed", )
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return {"fill_price": mid, "already_closed": False}
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logger.error("Close IOC got 0 fill and position still open for %s", coin)
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raise ValueError(f"Failed to close {coin} position: IOC returned 0 fill")
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fill_price = float(filled_info.get("avgPx", mid) or mid)
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logger.info("Closed %s position @ %.2f (size=%.5f)", coin, fill_price, total_sz)
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return {"fill_price": fill_price, "already_closed": False}
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