412 lines
14 KiB
Python
412 lines
14 KiB
Python
from __future__ import annotations
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import hashlib
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import hmac
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import json
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import time
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from dataclasses import dataclass
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from typing import Any
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from urllib.parse import urlencode
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import requests
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from requests.adapters import HTTPAdapter
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from urllib3.util.retry import Retry
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from crypto_spot_bot.config import Settings
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from crypto_spot_bot.models import Candle, Ticker
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class BybitError(RuntimeError):
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pass
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def _float(value: Any, default: float = 0.0) -> float:
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try:
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return float(value)
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except (TypeError, ValueError):
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return default
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@dataclass(slots=True)
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class Instrument:
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symbol: str
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base_coin: str
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quote_coin: str
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status: str
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tick_size: float
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qty_step: float
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min_order_qty: float
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min_notional_value: float
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class BybitClient:
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def __init__(self, settings: Settings):
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self.settings = settings
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self.session = requests.Session()
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retry = Retry(
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total=3,
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connect=3,
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read=3,
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status=3,
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backoff_factor=0.4,
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status_forcelist=(429, 500, 502, 503, 504),
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allowed_methods=frozenset({"GET"}),
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respect_retry_after_header=True,
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)
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self.session.mount("https://", HTTPAdapter(max_retries=retry))
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def public_get(self, path: str, params: dict[str, Any]) -> dict[str, Any]:
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response = self.session.get(
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f"{self.settings.rest_base_url}{path}",
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params=params,
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timeout=12,
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)
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response.raise_for_status()
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return self._unwrap(response.json())
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def private_post(self, path: str, payload: dict[str, Any]) -> dict[str, Any]:
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body = json.dumps(payload, separators=(",", ":"), ensure_ascii=False)
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headers = self._headers(body)
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response = self.session.post(
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f"{self.settings.rest_base_url}{path}",
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data=body.encode("utf-8"),
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headers=headers,
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timeout=15,
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)
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response.raise_for_status()
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return self._unwrap(response.json())
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def private_get(self, path: str, params: dict[str, Any]) -> dict[str, Any]:
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query_params = sorted((key, value) for key, value in params.items() if value is not None)
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query = urlencode(query_params)
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headers = self._headers(query)
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response = self.session.get(
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f"{self.settings.rest_base_url}{path}",
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params=query_params,
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headers=headers,
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timeout=15,
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)
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response.raise_for_status()
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return self._unwrap(response.json())
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def _headers(self, payload: str) -> dict[str, str]:
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timestamp = str(int(time.time() * 1000))
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recv_window = "5000"
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sign_payload = timestamp + self.settings.bybit_api_key + recv_window + payload
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signature = hmac.new(
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self.settings.bybit_api_secret.encode("utf-8"),
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sign_payload.encode("utf-8"),
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hashlib.sha256,
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).hexdigest()
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return {
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"X-BAPI-API-KEY": self.settings.bybit_api_key,
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"X-BAPI-TIMESTAMP": timestamp,
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"X-BAPI-RECV-WINDOW": recv_window,
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"X-BAPI-SIGN": signature,
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"Content-Type": "application/json",
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}
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@staticmethod
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def _unwrap(data: dict[str, Any]) -> dict[str, Any]:
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if int(data.get("retCode", -1)) != 0:
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raise BybitError(f"{data.get('retCode')}: {data.get('retMsg')}")
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result = data.get("result")
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if not isinstance(result, dict):
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raise BybitError("Bybit returned unexpected result payload")
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return result
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def spot_tickers(self) -> list[Ticker]:
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result = self.public_get("/v5/market/tickers", {"category": "spot"})
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tickers: list[Ticker] = []
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for row in result.get("list", []):
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symbol = str(row.get("symbol", "")).upper()
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last = _float(row.get("lastPrice"))
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if not symbol or last <= 0:
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continue
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tickers.append(
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Ticker(
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symbol=symbol,
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last_price=last,
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bid=_float(row.get("bid1Price")),
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ask=_float(row.get("ask1Price")),
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turnover_24h=_float(row.get("turnover24h")),
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volume_24h=_float(row.get("volume24h")),
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change_24h=_float(row.get("price24hPcnt")) * 100,
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)
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)
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return tickers
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def instruments(self) -> dict[str, Instrument]:
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result = self.public_get("/v5/market/instruments-info", {"category": "spot"})
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instruments: dict[str, Instrument] = {}
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for row in result.get("list", []):
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lot = row.get("lotSizeFilter") or {}
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price = row.get("priceFilter") or {}
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symbol = str(row.get("symbol", "")).upper()
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if not symbol:
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continue
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instruments[symbol] = Instrument(
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symbol=symbol,
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base_coin=str(row.get("baseCoin", "")),
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quote_coin=str(row.get("quoteCoin", "")),
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status=str(row.get("status", "")),
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tick_size=_float(price.get("tickSize")),
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qty_step=_float(lot.get("qtyStep"), _float(lot.get("basePrecision"))),
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min_order_qty=_float(lot.get("minOrderQty")),
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min_notional_value=_float(lot.get("minNotionalValue"), _float(lot.get("minOrderAmt"))),
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)
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return instruments
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def popular_spot_symbols(self, limit: int) -> list[str]:
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instruments = self.instruments()
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rows = []
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for ticker in self.spot_tickers():
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info = instruments.get(ticker.symbol)
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if (
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info
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and info.quote_coin == "USDT"
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and info.status == "Trading"
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and ticker.turnover_24h > 0
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and not _looks_like_leveraged_token(info.base_coin)
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and not _looks_like_stablecoin(info.base_coin)
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):
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rows.append((ticker.turnover_24h, ticker.symbol))
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rows.sort(reverse=True)
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return [symbol for _, symbol in rows[:limit]]
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def klines(self, symbol: str, interval: str, limit: int) -> list[Candle]:
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result = self.public_get(
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"/v5/market/kline",
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{"category": "spot", "symbol": symbol, "interval": interval, "limit": limit},
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)
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candles = []
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for row in result.get("list", []):
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if len(row) < 7:
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continue
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candles.append(
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Candle(
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timestamp=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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turnover=_float(row[6]),
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)
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)
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candles.sort(key=lambda item: item.timestamp)
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return candles
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def orderbook_top(self, symbol: str) -> tuple[float, float]:
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result = self.public_get(
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"/v5/market/orderbook",
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{"category": "spot", "symbol": symbol, "limit": 1},
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)
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bids = result.get("b") or []
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asks = result.get("a") or []
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bid = _float(bids[0][0]) if bids else 0.0
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ask = _float(asks[0][0]) if asks else 0.0
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return bid, ask
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def place_spot_market_order(
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self,
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symbol: str,
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side: str,
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qty: float,
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market_unit: str,
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order_link_id: str,
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) -> dict[str, Any]:
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payload = {
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"category": "spot",
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"symbol": symbol,
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"side": side,
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"orderType": "Market",
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"qty": _decimal_text(qty),
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"timeInForce": "IOC",
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"isLeverage": 0,
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"orderFilter": "Order",
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"marketUnit": market_unit,
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"orderLinkId": order_link_id,
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}
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slippage_percent = max(0.01, min(10.0, self.settings.slippage_rate * 100.0))
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payload["slippageToleranceType"] = "Percent"
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payload["slippageTolerance"] = f"{slippage_percent:.2f}"
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return self.private_post("/v5/order/create", payload)
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def place_spot_protective_stop(
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self,
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*,
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symbol: str,
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qty: float,
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trigger_price: float,
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order_link_id: str,
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) -> dict[str, Any]:
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payload = {
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"category": "spot",
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"symbol": symbol,
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"side": "Sell",
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"orderType": "Market",
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"qty": _decimal_text(qty),
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"triggerPrice": _decimal_text(trigger_price),
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"timeInForce": "IOC",
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"isLeverage": 0,
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"orderFilter": "tpslOrder",
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"marketUnit": "baseCoin",
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"orderLinkId": order_link_id,
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}
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return self.private_post("/v5/order/create", payload)
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def cancel_spot_order(
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self,
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*,
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symbol: str,
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order_id: str | None = None,
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order_link_id: str | None = None,
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order_filter: str = "Order",
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) -> dict[str, Any]:
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if not order_id and not order_link_id:
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raise ValueError("order_id or order_link_id is required")
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payload: dict[str, Any] = {
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"category": "spot",
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"symbol": symbol,
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"orderFilter": order_filter,
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}
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if order_id:
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payload["orderId"] = order_id
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if order_link_id:
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payload["orderLinkId"] = order_link_id
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return self.private_post("/v5/order/cancel", payload)
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def wallet_balance(self, account_type: str = "UNIFIED", coin: str | None = None) -> dict[str, Any]:
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return self.private_get(
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"/v5/account/wallet-balance",
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{"accountType": account_type, "coin": coin},
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)
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def realtime_orders(
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self,
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*,
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category: str = "spot",
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open_only: int = 0,
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limit: int = 50,
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symbol: str | None = None,
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order_id: str | None = None,
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order_link_id: str | None = None,
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order_filter: str | None = None,
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) -> dict[str, Any]:
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return self.private_get(
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"/v5/order/realtime",
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{
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"category": category,
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"openOnly": open_only,
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"limit": max(1, min(limit, 50)),
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"symbol": symbol,
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"orderId": order_id,
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"orderLinkId": order_link_id,
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"orderFilter": order_filter,
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},
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)
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def order_history(
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self,
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*,
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symbol: str | None = None,
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order_id: str | None = None,
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order_link_id: str | None = None,
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limit: int = 50,
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) -> dict[str, Any]:
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return self.private_get(
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"/v5/order/history",
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{
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"category": "spot",
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"symbol": symbol,
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"orderId": order_id,
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"orderLinkId": order_link_id,
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"limit": max(1, min(limit, 50)),
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},
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)
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def executions(
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self,
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*,
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symbol: str | None = None,
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order_id: str | None = None,
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order_link_id: str | None = None,
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limit: int = 100,
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) -> dict[str, Any]:
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return self.private_get(
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"/v5/execution/list",
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{
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"category": "spot",
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"symbol": symbol,
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"orderId": order_id,
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"orderLinkId": order_link_id,
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"limit": max(1, min(limit, 100)),
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},
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)
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def wait_for_spot_order(
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self,
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*,
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order_id: str,
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symbol: str,
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timeout_seconds: float,
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poll_seconds: float = 0.5,
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) -> dict[str, Any]:
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deadline = time.monotonic() + max(1.0, timeout_seconds)
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latest: dict[str, Any] = {}
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terminal = {
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"Filled",
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"Cancelled",
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"Rejected",
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"PartiallyFilledCanceled",
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"PartillyFilledCancelled",
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"Deactivated",
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}
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while time.monotonic() < deadline:
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realtime = self.realtime_orders(symbol=symbol, order_id=order_id, open_only=1, limit=1)
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rows = realtime.get("list") if isinstance(realtime.get("list"), list) else []
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if rows and isinstance(rows[0], dict):
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latest = rows[0]
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if str(latest.get("orderStatus", "")) in terminal:
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break
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time.sleep(max(0.1, poll_seconds))
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if not latest or str(latest.get("orderStatus", "")) not in terminal:
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history = self.order_history(symbol=symbol, order_id=order_id, limit=1)
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rows = history.get("list") if isinstance(history.get("list"), list) else []
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if rows and isinstance(rows[0], dict):
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latest = rows[0]
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execution_result = self.executions(symbol=symbol, order_id=order_id)
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executions = execution_result.get("list") if isinstance(execution_result.get("list"), list) else []
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return {"order": latest, "executions": executions}
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def websocket_subscribe_message(symbols: list[str], interval: str = "1") -> str:
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args: list[str] = []
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for symbol in symbols:
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args.extend([f"tickers.{symbol}", f"kline.{interval}.{symbol}", f"orderbook.1.{symbol}"])
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return json.dumps({"op": "subscribe", "args": args})
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def _looks_like_leveraged_token(base_coin: str) -> bool:
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upper = base_coin.upper()
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return upper.endswith(("3L", "3S", "2L", "2S", "5L", "5S", "UP", "DOWN"))
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def _looks_like_stablecoin(base_coin: str) -> bool:
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return base_coin.upper() in {
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"USDC",
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"USDT",
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"DAI",
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"TUSD",
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"FDUSD",
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"USDE",
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"USDD",
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"PYUSD",
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"USD1",
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}
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def _decimal_text(value: float) -> str:
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return f"{value:.12f}".rstrip("0").rstrip(".")
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