dekun
637 lines
23 KiB
Python
637 lines
23 KiB
Python
"""模拟撮合: 用公开行情 bid/ask 成交, 结算到本地钱包."""
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from __future__ import annotations
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import uuid
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from datetime import datetime
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from typing import Any, Callable
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from lib.sim.pricing_lib import option_fill, perp_fill, sim_fee_rate
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from lib.sim.wallets_lib import InsufficientFunds, SimWallets
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def _now() -> str:
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return datetime.utcnow().strftime("%Y-%m-%d %H:%M:%S")
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def _ticker_bid_ask(exchange: Any, symbol: str) -> tuple[float, float]:
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t = exchange.fetch_ticker(symbol)
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last = t.get("last")
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bid = t.get("bid")
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ask = t.get("ask")
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if bid is None or float(bid) <= 0:
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bid = last
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if ask is None or float(ask) <= 0:
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ask = last
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if bid is None or ask is None:
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raise RuntimeError(f"无法获取 {symbol} 行情 bid/ask")
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return float(bid), float(ask)
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def _option_bid_ask(exchange_options: Any, inst_id: str) -> tuple[float, float, float]:
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"""返回 bid, ask, ct_mult."""
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ct_mult = 0.01
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bid = ask = None
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try:
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from lib.exchange.okx_options_lib import quote_option_contract
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q = quote_option_contract(exchange_options, inst_id)
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if q.get("ok"):
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bid = q.get("bid") or q.get("mark")
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ask = q.get("ask") or q.get("book_ask") or q.get("ref_ask") or q.get("mark")
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ct_mult = float(q.get("ct_mult") or 0.01)
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except Exception:
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pass
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if bid is None or ask is None:
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rows = exchange_options.public_get_market_ticker({"instId": inst_id}).get("data") or []
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if not rows:
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raise RuntimeError(f"无法获取期权行情 {inst_id}")
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t = rows[0]
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bid = bid or t.get("bidPx") or t.get("markPx") or t.get("last")
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ask = ask or t.get("askPx") or t.get("markPx") or t.get("last")
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if bid is None or ask is None:
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raise RuntimeError(f"期权 {inst_id} 缺少 bid/ask")
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return float(bid), float(ask), float(ct_mult)
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def _contract_size(exchange: Any, symbol: str) -> float:
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try:
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if hasattr(exchange, "market"):
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m = exchange.market(symbol)
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return float(m.get("contractSize") or 1)
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except Exception:
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pass
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return 1.0
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class SimBroker:
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def __init__(self, get_db: Callable) -> None:
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self.get_db = get_db
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self.wallets = SimWallets(get_db)
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def balances_header(self) -> dict[str, float]:
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return self.wallets.view()
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def list_perp_positions(self) -> list[dict[str, Any]]:
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conn = self.get_db()
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try:
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rows = conn.execute(
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"SELECT * FROM sim_perp_positions WHERE contracts > 1e-12 ORDER BY id"
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).fetchall()
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out = []
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for r in rows:
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out.append(
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{
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"symbol": r["symbol"],
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"direction": r["direction"],
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"contracts": float(r["contracts"]),
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"entry_px": float(r["entry_px"]),
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"leverage": int(r["leverage"] or 1),
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"margin_usdt": float(r["margin_usdt"] or 0),
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"contract_size": float(r["contract_size"] or 1),
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}
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)
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return out
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finally:
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conn.close()
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def list_option_positions(self) -> list[dict[str, Any]]:
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conn = self.get_db()
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try:
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rows = conn.execute(
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"SELECT * FROM sim_option_positions WHERE sheets > 1e-12 ORDER BY id"
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).fetchall()
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out = []
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for r in rows:
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out.append(
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{
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"inst_id": r["inst_id"],
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"side": r["side"],
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"sheets": float(r["sheets"]),
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"entry_px": float(r["entry_px"]),
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"ct_mult": float(r["ct_mult"] or 0.01),
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"premium_paid_usdc": float(r["premium_paid_usdc"] or 0),
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}
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)
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return out
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finally:
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conn.close()
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def get_perp_contracts(self, symbol: str, direction: str) -> float:
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conn = self.get_db()
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try:
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row = conn.execute(
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"""
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SELECT contracts FROM sim_perp_positions
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WHERE symbol=? AND direction=? AND contracts > 1e-12
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""",
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(symbol, direction),
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).fetchone()
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if not row:
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return 0.0
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return float(row["contracts"] if hasattr(row, "keys") else row[0])
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finally:
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conn.close()
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def place_perp_market(
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self,
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exchange: Any,
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*,
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symbol: str,
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direction: str,
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contracts: float,
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leverage: int,
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fee_rate: float | None = None,
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stop_loss: Any = None,
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take_profit: Any = None,
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) -> dict[str, Any]:
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_ = (stop_loss, take_profit) # sim: ignore attachAlgoOrds / tpsl
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side = (direction or "").lower().strip()
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if side not in ("long", "short"):
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raise ValueError("direction 须为 long 或 short")
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qty_c = float(contracts)
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if qty_c <= 0:
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raise ValueError("张数须大于 0")
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lev = max(1, int(leverage or 1))
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fr = sim_fee_rate(fee_rate)
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bid, ask = _ticker_bid_ask(exchange, symbol)
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ct_sz = _contract_size(exchange, symbol)
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qty = qty_c * ct_sz
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pr = perp_fill(side=side, action="open", bid=bid, ask=ask, qty=qty, fee_rate=fr)
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margin = pr.notional / lev
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need = margin + pr.fee
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try:
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self.wallets.debit_trading(
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"USDT",
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need,
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kind="perp_open",
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note=f"open {side} {symbol} {qty_c}@{pr.fill_px:.4f}",
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)
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except InsufficientFunds as e:
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raise RuntimeError(str(e)) from e
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conn = self.get_db()
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try:
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existing = conn.execute(
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"SELECT * FROM sim_perp_positions WHERE symbol=? AND direction=?",
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(symbol, side),
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).fetchone()
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if existing and float(existing["contracts"] or 0) > 1e-12:
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old_c = float(existing["contracts"])
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old_px = float(existing["entry_px"])
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old_m = float(existing["margin_usdt"] or 0)
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new_c = old_c + qty_c
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entry = (old_px * old_c + pr.fill_px * qty_c) / new_c
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conn.execute(
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"""
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UPDATE sim_perp_positions
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SET contracts=?, entry_px=?, leverage=?, margin_usdt=?, contract_size=?, updated_at=?
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WHERE symbol=? AND direction=?
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""",
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(new_c, entry, lev, old_m + margin, ct_sz, _now(), symbol, side),
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)
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else:
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conn.execute(
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"""
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INSERT INTO sim_perp_positions(
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symbol, direction, contracts, entry_px, leverage, margin_usdt, contract_size, updated_at
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) VALUES (?,?,?,?,?,?,?,?)
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ON CONFLICT(symbol, direction) DO UPDATE SET
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contracts=excluded.contracts,
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entry_px=excluded.entry_px,
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leverage=excluded.leverage,
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margin_usdt=excluded.margin_usdt,
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contract_size=excluded.contract_size,
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updated_at=excluded.updated_at
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""",
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(symbol, side, qty_c, pr.fill_px, lev, margin, ct_sz, _now()),
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)
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conn.commit()
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finally:
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conn.close()
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oid = f"sim-perp-{uuid.uuid4().hex[:16]}"
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return {
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"id": oid,
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"symbol": symbol,
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"side": "buy" if side == "long" else "sell",
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"amount": qty_c,
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"average": pr.fill_px,
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"status": "closed",
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"info": {"sim": True, "fee": pr.fee, "margin": margin, "fill": pr.to_dict()},
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"tpsl_attached": False,
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}
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def close_perp_market(
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self,
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exchange: Any,
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*,
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symbol: str,
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direction: str,
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contracts: float | None = None,
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fee_rate: float | None = None,
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) -> dict[str, Any]:
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side = (direction or "").lower().strip()
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if side not in ("long", "short"):
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raise ValueError("direction 须为 long 或 short")
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conn = self.get_db()
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try:
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row = conn.execute(
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"SELECT * FROM sim_perp_positions WHERE symbol=? AND direction=?",
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(symbol, side),
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).fetchone()
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if not row or float(row["contracts"] or 0) <= 1e-12:
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raise ValueError("模拟永续无对应持仓")
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pos_c = float(row["contracts"])
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entry = float(row["entry_px"])
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margin_all = float(row["margin_usdt"] or 0)
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ct_sz = float(row["contract_size"] or 1)
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close_c = pos_c if contracts is None else min(pos_c, float(contracts))
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if close_c <= 0:
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raise ValueError("平仓张数无效")
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fr = sim_fee_rate(fee_rate)
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bid, ask = _ticker_bid_ask(exchange, symbol)
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qty = close_c * ct_sz
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pr = perp_fill(side=side, action="close", bid=bid, ask=ask, qty=qty, fee_rate=fr)
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if side == "long":
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pnl = (pr.fill_px - entry) * qty
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else:
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pnl = (entry - pr.fill_px) * qty
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release = margin_all * (close_c / pos_c)
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credit = release + pnl - pr.fee
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remain = pos_c - close_c
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if remain <= 1e-12:
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conn.execute(
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"DELETE FROM sim_perp_positions WHERE symbol=? AND direction=?",
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(symbol, side),
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)
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else:
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conn.execute(
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"""
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UPDATE sim_perp_positions
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SET contracts=?, margin_usdt=?, updated_at=?
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WHERE symbol=? AND direction=?
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""",
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(remain, margin_all - release, _now(), symbol, side),
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)
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conn.commit()
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finally:
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conn.close()
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if credit >= 0:
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self.wallets.credit_trading(
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"USDT",
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credit,
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kind="perp_close",
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note=f"close {side} {symbol} pnl={pnl:.4f}",
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)
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else:
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self.wallets.debit_trading(
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"USDT",
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abs(credit),
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kind="perp_close",
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note=f"close {side} {symbol} pnl={pnl:.4f}",
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)
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oid = f"sim-perp-close-{uuid.uuid4().hex[:16]}"
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return {
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"id": oid,
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"symbol": symbol,
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"side": "sell" if side == "long" else "buy",
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"amount": close_c,
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"average": pr.fill_px,
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"status": "closed",
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"info": {
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"sim": True,
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"fee": pr.fee,
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"pnl": pnl,
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"released_margin": release,
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"fill": pr.to_dict(),
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},
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"tpsl_attached": False,
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}
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def _store_option_order(
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self,
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*,
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ord_id: str,
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inst_id: str,
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side: str,
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sheets: float,
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avg_px: float,
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) -> None:
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conn = self.get_db()
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try:
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conn.execute(
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"""
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INSERT OR REPLACE INTO sim_option_orders(
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ord_id, inst_id, side, sheets, avg_px, state, acc_fill_sz, created_at
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) VALUES (?,?,?,?,?,'filled',?,?)
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""",
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(ord_id, inst_id, side, float(sheets), float(avg_px), float(sheets), _now()),
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)
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conn.commit()
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finally:
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conn.close()
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def get_option_order(self, ord_id: str) -> dict[str, Any] | None:
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conn = self.get_db()
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try:
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row = conn.execute(
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"SELECT * FROM sim_option_orders WHERE ord_id=?",
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(ord_id,),
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).fetchone()
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if not row:
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return None
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return {
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"ok": True,
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"ord_id": row["ord_id"],
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"inst_id": row["inst_id"],
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"side": row["side"],
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"state": row["state"],
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"acc_fill_sz": float(row["acc_fill_sz"]),
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"avg_px": float(row["avg_px"]),
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"sim": True,
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}
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finally:
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conn.close()
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def place_option_buy(
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self,
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exchange_options: Any,
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*,
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inst_id: str,
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sheets: int,
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price: float | None = None,
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fee_rate: float | None = None,
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**_kwargs: Any,
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) -> dict[str, Any]:
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n = int(sheets)
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if n < 1:
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return {"ok": False, "msg": "张数至少为 1"}
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fr = sim_fee_rate(fee_rate)
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bid, ask, ct_mult = _option_bid_ask(exchange_options, inst_id)
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if price is not None and float(price) > 0:
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# 限价: 用 min(limit, ask) 作为基准卖一近似, 仍走 option_fill 滑点
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ask = min(float(ask), float(price)) if float(price) > 0 else float(ask)
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qty = n * ct_mult
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pr = option_fill(action="open", bid=bid, ask=ask, qty=qty, fee_rate=fr)
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cost = pr.notional + pr.fee
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try:
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self.wallets.debit_trading(
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"USDC",
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cost,
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kind="option_open",
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note=f"buy {inst_id} x{n}@{pr.fill_px}",
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)
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except InsufficientFunds as e:
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return {"ok": False, "msg": str(e)}
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conn = self.get_db()
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try:
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existing = conn.execute(
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"SELECT * FROM sim_option_positions WHERE inst_id=?",
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(inst_id,),
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).fetchone()
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if existing and float(existing["sheets"] or 0) > 1e-12:
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old_s = float(existing["sheets"])
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old_px = float(existing["entry_px"])
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old_prem = float(existing["premium_paid_usdc"] or 0)
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new_s = old_s + n
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entry = (old_px * old_s + pr.fill_px * n) / new_s
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conn.execute(
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"""
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UPDATE sim_option_positions
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SET sheets=?, entry_px=?, ct_mult=?, premium_paid_usdc=?, updated_at=?
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WHERE inst_id=?
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""",
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(new_s, entry, ct_mult, old_prem + pr.notional, _now(), inst_id),
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)
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else:
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conn.execute(
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"""
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INSERT INTO sim_option_positions(
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inst_id, side, sheets, entry_px, ct_mult, premium_paid_usdc, updated_at
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) VALUES (?,?,?,?,?,?,?)
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ON CONFLICT(inst_id) DO UPDATE SET
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sheets=excluded.sheets,
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entry_px=excluded.entry_px,
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ct_mult=excluded.ct_mult,
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premium_paid_usdc=excluded.premium_paid_usdc,
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updated_at=excluded.updated_at
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""",
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(inst_id, "buy", float(n), pr.fill_px, ct_mult, pr.notional, _now()),
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)
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conn.commit()
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finally:
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conn.close()
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ord_id = f"sim-opt-{uuid.uuid4().hex[:16]}"
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self._store_option_order(
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ord_id=ord_id, inst_id=inst_id, side="buy", sheets=n, avg_px=pr.fill_px
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)
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return {
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"ok": True,
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"data": {"ordId": ord_id, "sCode": "0", "sMsg": "sim filled"},
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"raw": {"sim": True},
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"px": pr.fill_px,
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"ord_type": "ioc",
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"info": {"sim": True, "fee": pr.fee, "fill": pr.to_dict()},
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}
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def sell_option_close(
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self,
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exchange_options: Any,
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*,
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inst_id: str,
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sheets: int,
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price: float | None = None,
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fee_rate: float | None = None,
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**_kwargs: Any,
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) -> dict[str, Any]:
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n = int(sheets)
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if n < 1:
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return {"ok": False, "msg": "张数至少为 1"}
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conn = self.get_db()
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try:
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row = conn.execute(
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"SELECT * FROM sim_option_positions WHERE inst_id=?",
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(inst_id,),
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).fetchone()
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if not row or float(row["sheets"] or 0) <= 1e-12:
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return {"ok": False, "msg": "模拟期权无对应持仓"}
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pos_s = float(row["sheets"])
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ct_mult = float(row["ct_mult"] or 0.01)
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close_n = min(pos_s, float(n))
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if close_n <= 0:
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return {"ok": False, "msg": "平仓张数无效"}
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fr = sim_fee_rate(fee_rate)
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bid, ask, _ = _option_bid_ask(exchange_options, inst_id)
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if price is not None and float(price) > 0:
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bid = max(float(bid), float(price)) if float(price) > 0 else float(bid)
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qty = close_n * ct_mult
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pr = option_fill(action="close", bid=bid, ask=ask, qty=qty, fee_rate=fr)
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credit = pr.notional - pr.fee
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remain = pos_s - close_n
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if remain <= 1e-12:
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conn.execute("DELETE FROM sim_option_positions WHERE inst_id=?", (inst_id,))
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else:
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prem = float(row["premium_paid_usdc"] or 0) * (remain / pos_s)
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conn.execute(
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"""
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UPDATE sim_option_positions
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SET sheets=?, premium_paid_usdc=?, updated_at=?
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WHERE inst_id=?
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""",
|
|
(remain, prem, _now(), inst_id),
|
|
)
|
|
conn.commit()
|
|
finally:
|
|
conn.close()
|
|
|
|
if credit > 0:
|
|
self.wallets.credit_trading(
|
|
"USDC",
|
|
credit,
|
|
kind="option_close",
|
|
note=f"sell {inst_id} x{close_n}@{pr.fill_px}",
|
|
)
|
|
ord_id = f"sim-opt-close-{uuid.uuid4().hex[:16]}"
|
|
self._store_option_order(
|
|
ord_id=ord_id, inst_id=inst_id, side="sell", sheets=close_n, avg_px=pr.fill_px
|
|
)
|
|
return {
|
|
"ok": True,
|
|
"data": {"ordId": ord_id, "sCode": "0", "sMsg": "sim filled"},
|
|
"raw": {"sim": True},
|
|
"px": pr.fill_px,
|
|
"ord_type": "ioc",
|
|
"info": {"sim": True, "fee": pr.fee, "fill": pr.to_dict()},
|
|
}
|
|
|
|
def convert_usdt_usdc(
|
|
self,
|
|
exchange: Any,
|
|
*,
|
|
direction: str,
|
|
amount: float,
|
|
fee_rate: float | None = None,
|
|
account: str = "trading",
|
|
symbol: str = "USDC/USDT",
|
|
) -> dict[str, Any]:
|
|
"""模拟 USDC-USDT 现货市价兑换, 默认扣交易账户."""
|
|
from lib.sim.pricing_lib import spot_usdc_usdt_fill
|
|
|
|
fr = sim_fee_rate(fee_rate)
|
|
bid, ask = _ticker_bid_ask(exchange, symbol)
|
|
fill = spot_usdc_usdt_fill(
|
|
direction=direction, amount=float(amount), bid=bid, ask=ask, fee_rate=fr
|
|
)
|
|
result = SimWallets(self.get_db).convert(
|
|
from_ccy=fill.from_ccy,
|
|
to_ccy=fill.to_ccy,
|
|
amount=fill.from_amount,
|
|
account=account or "trading",
|
|
to_amount=fill.to_amount,
|
|
rate=fill.fill_px,
|
|
fee=fill.fee,
|
|
note=f"USDC/USDT mkt {fill.fill_px:.6f} (bid {bid:.6f}/ask {ask:.6f})",
|
|
)
|
|
if not result.get("ok"):
|
|
return result
|
|
result.update(
|
|
{
|
|
"direction": fill.direction,
|
|
"bid": bid,
|
|
"ask": ask,
|
|
"base_px": fill.base_px,
|
|
"fill_px": fill.fill_px,
|
|
"fee_rate": fr,
|
|
"symbol": symbol,
|
|
}
|
|
)
|
|
return result
|
|
|
|
def option_positions_okx_rows(self, exchange: Any = None) -> list[dict[str, Any]]:
|
|
"""对齐 OKX positions 行字段, 供 format_position_row 使用.
|
|
|
|
模拟盘补充公开行情的 idxPx / markPx, 否则指数价与平掉回本均为空.
|
|
"""
|
|
from lib.exchange.okx_options_lib import (
|
|
expiry_ms_from_inst_id,
|
|
fetch_index_price,
|
|
inst_family_from_inst_id,
|
|
option_fields_from_inst_id,
|
|
quote_option_contract,
|
|
)
|
|
|
|
rows: list[dict[str, Any]] = []
|
|
idx_cache: dict[str, float | None] = {}
|
|
for p in self.list_option_positions():
|
|
inst_id = str(p["inst_id"] or "")
|
|
sheets = float(p["sheets"])
|
|
entry = float(p["entry_px"])
|
|
ct_mult = float(p.get("ct_mult") or 0.01)
|
|
opt_type, strike = option_fields_from_inst_id(inst_id)
|
|
mark = entry
|
|
idx = None
|
|
exp_ms = expiry_ms_from_inst_id(inst_id)
|
|
|
|
if exchange is not None and inst_id:
|
|
try:
|
|
q = quote_option_contract(exchange, inst_id)
|
|
if q.get("ok"):
|
|
raw_mark = q.get("mark")
|
|
if raw_mark is None:
|
|
raw_mark = q.get("bid")
|
|
if raw_mark is not None and float(raw_mark) > 0:
|
|
mark = float(raw_mark)
|
|
if q.get("index_px") is not None:
|
|
idx = float(q["index_px"])
|
|
if q.get("opt_type"):
|
|
opt_type = str(q["opt_type"])
|
|
if q.get("strike") is not None:
|
|
strike = float(q["strike"])
|
|
if q.get("exp_time") is not None:
|
|
try:
|
|
exp_ms = int(float(q["exp_time"]))
|
|
except (TypeError, ValueError):
|
|
pass
|
|
except Exception:
|
|
pass
|
|
if idx is None:
|
|
family = inst_family_from_inst_id(inst_id) or ""
|
|
uly = family.replace("_UM", "") if family else ""
|
|
if uly and uly not in idx_cache:
|
|
try:
|
|
idx_cache[uly] = fetch_index_price(exchange, uly)
|
|
except Exception:
|
|
idx_cache[uly] = None
|
|
idx = idx_cache.get(uly)
|
|
|
|
eth = abs(sheets) * ct_mult
|
|
upl = (mark - entry) * eth
|
|
prem = float(p.get("premium_paid_usdc") or 0) or (entry * eth)
|
|
upl_ratio = (upl / prem) if prem > 1e-12 else 0.0
|
|
row: dict[str, Any] = {
|
|
"instId": inst_id,
|
|
"pos": str(sheets),
|
|
"availPos": str(sheets),
|
|
"avgPx": str(entry),
|
|
"markPx": str(mark),
|
|
"upl": str(round(upl, 4)),
|
|
"uplRatio": str(round(upl_ratio, 6)),
|
|
"posSide": "long",
|
|
"mgnMode": "isolated",
|
|
}
|
|
if idx is not None:
|
|
row["idxPx"] = str(idx)
|
|
if opt_type:
|
|
row["optType"] = opt_type
|
|
if strike is not None:
|
|
row["stk"] = str(strike)
|
|
if exp_ms:
|
|
row["expTime"] = str(exp_ms)
|
|
rows.append(row)
|
|
return rows
|