Update doc; fixed minor bugs; update bp

Author: your-quantguy

README.md

@@ -12,30 +12,33 @@
 
 ## 自动交易机器人
 
-一个支持多个交易所（目前包括 EdgeX, Backpack, Paradex, Aster, Lighter, GRVT）的模块化交易机器人。该机器人实现了自动下单并在盈利时自动平仓的策略，主要目的是取得高交易量。
+一个支持多个交易所（目前包括 EdgeX, Backpack, Paradex, Aster, Lighter, grvt, Extended）的模块化交易机器人。该机器人实现了自动下单并在盈利时自动平仓的策略，主要目的是取得高交易量。
 
 ## 邀请链接 (获得返佣以及福利)
 
-#### EdgeX 交易所: [https://pro.edgex.exchange/referral/QUANT](https://pro.edgex.exchange/referral/QUANT)
+#### EdgeX: [https://pro.edgex.exchange/referral/QUANT](https://pro.edgex.exchange/referral/QUANT)
 
 永久享受 VIP 1 费率；额外 10% 手续费返佣；10% 额外奖励积分
 
-#### Backpack 交易所: [https://backpack.exchange/join/quant](https://backpack.exchange/join/quant)
+#### Backpack: [https://backpack.exchange/join/quant](https://backpack.exchange/join/quant)
 
 使用我的推荐链接获得 35% 手续费返佣
 
-#### Paradex 交易所: [https://app.paradex.trade/r/quant](https://app.paradex.trade/r/quant)
+#### Paradex: [https://app.paradex.trade/r/quant](https://app.paradex.trade/r/quant)
 
 使用我的推荐链接获得 10% 手续费返佣以及潜在未来福利
 
-#### Aster 交易所: [https://www.asterdex.com/zh-CN/referral/5191B1](https://www.asterdex.com/zh-CN/referral/5191B1)
+#### Aster: [https://www.asterdex.com/zh-CN/referral/5191B1](https://www.asterdex.com/zh-CN/referral/5191B1)
 
 使用我的推荐链接获得 30% 手续费返佣以及积分加成
 
-#### GRVT 交易所: [https://grvt.io/exchange/sign-up?ref=QUANT](https://grvt.io/exchange/sign-up?ref=QUANT)
+#### grvt: [https://grvt.io/exchange/sign-up?ref=QUANT](https://grvt.io/exchange/sign-up?ref=QUANT)
 
 获得 1.3x 全网最高的积分加成，未来的手续费返佣（官方预计 10 月中上线），以及即将开始的专属交易竞赛
 
+#### Extended: [https://app.extended.exchange/join/QUANT](https://app.extended.exchange/join/QUANT)
+10%的即时手续费减免；积分加成（官方未公布具体加成公式，但文档里有明确说明，通过官方大使邀请能拿到比自己小号邀请自己更多的分数）；参与社群的专属交易量大赛，奖池高达$70000，10月15日结束
+
 ## 安装
 
 Python 版本要求（最佳选项是 Python 3.10 - 3.12）：
@@ -259,6 +262,14 @@ BTC：
 python runbot.py --exchange grvt --ticker BTC --quantity 0.05 --take-profit 0.02 --max-orders 40 --wait-time 450
 ```
 
+### Extended 交易所：
+
+ETH：
+
+```bash
+python runbot.py --exchange extended --ticker ETH --quantity 0.1 --take-profit 0 --max-orders 40 --wait-time 450 --grid-step 0.1
+```
+
 ## 配置
 
 ### 环境变量
@@ -306,6 +317,13 @@ python runbot.py --exchange grvt --ticker BTC --quantity 0.05 --take-profit 0.02
 - `GRVT_PRIVATE_KEY`: 您的 GRVT 私钥
 - `GRVT_API_KEY`: 您的 GRVT API 密钥
 
+#### Extended 配置
+
+- `EXTENDED_API_KEY`: Extended API Key
+- `EXTENDED_STARK_KEY_PUBLIC`: 创建API后显示的 Stark 公钥
+- `EXTENDED_STARK_KEY_PRIVATE`: 创建API后显示的 Stark 私钥
+- `EXTENDED_VAULT`: 创建API后显示的 Extended Vault ID
+
 **获取 LIGHTER_ACCOUNT_INDEX 的方法**：
 
 1. 在下面的网址最后加上你的钱包地址：
@@ -320,7 +338,7 @@ python runbot.py --exchange grvt --ticker BTC --quantity 0.05 --take-profit 0.02
 
 ### 命令行参数
 
-- `--exchange`: 使用的交易所：'edgex'、'backpack'、'paradex'、'aster'、'lighter'或'grvt'（默认：edgex）
+- `--exchange`: 使用的交易所：'edgex'、'backpack'、'paradex'、'aster'、'lighter'、'grvt' 或 'extended'（默认：edgex）
 - `--ticker`: 标的资产符号（例如：ETH、BTC、SOL）。合约 ID 自动解析。
 - `--quantity`: 订单数量（默认：0.1）
 - `--take-profit`: 止盈百分比（例如 0.02 表示 0.02%）

README_EN.md

@@ -8,27 +8,32 @@
 
 ## Multi-Exchange Trading Bot
 
-A modular trading bot that supports multiple exchanges including EdgeX, Backpack, Paradex, Aster, Lighter, and GRVT. The bot implements an automated strategy that places orders and automatically closes them at a profit.
+A modular trading bot that supports multiple exchanges including EdgeX, Backpack, Paradex, Aster, Lighter, GRVT, and Extended. The bot implements an automated strategy that places orders and automatically closes them at a profit.
 
 ## Referral Links (Enjoy fee rebates and benefits)
 
 #### EdgeX: [https://pro.edgex.exchange/referral/QUANT](https://pro.edgex.exchange/referral/QUANT)
 
 Instant VIP 1 Trading Fees; 10% Fee Rebate; 10% Bonus Points
 
-#### Backpack Exchange: [https://backpack.exchange/join/quant](https://backpack.exchange/join/quant)
+#### Backpack: [https://backpack.exchange/join/quant](https://backpack.exchange/join/quant)
 
 You will get 35% fee rebates on all your trading fees
 
-#### Paradex Exchange: [https://app.paradex.trade/r/quant](https://app.paradex.trade/r/quant)
+#### Paradex: [https://app.paradex.trade/r/quant](https://app.paradex.trade/r/quant)
 
 You will get 10% taker fee discount rebates and potential future benefits
 
-#### Aster Exchange: [https://www.asterdex.com/zh-CN/referral/5191B1](https://www.asterdex.com/zh-CN/referral/5191B1)
+#### Aster: [https://www.asterdex.com/zh-CN/referral/5191B1](https://www.asterdex.com/zh-CN/referral/5191B1)
 
 You will get 30% fee rebates and points boost
 
-#### GRVT Exchange: [https://grvt.io/exchange/sign-up?ref=QUANT](https://grvt.io/exchange/sign-up?ref=QUANT)
+#### grvt: [https://grvt.io/exchange/sign-up?ref=QUANT](https://grvt.io/exchange/sign-up?ref=QUANT)
+You will get 1.3x points boost; rebates (auto rebates system is expected to be launched in mid-Oct); access to private trading competition
+
+#### Extended: [https://app.extended.exchange/join/QUANT](https://app.extended.exchange/join/QUANT)
+10% fee discount; points boost (black box, but "you will get more points from affiliate referral program than using another account to refer yourself" quoted from the official documentation from Extended); access to private trading competition
+
 
 ## Installation
 
@@ -235,6 +240,14 @@ BTC:
 python runbot.py --exchange grvt --ticker BTC --quantity 0.05 --take-profit 0.02 --max-orders 40 --wait-time 450
 ```
 
+### Extended Exchange:
+
+ETH:
+
+```bash
+python runbot.py --exchange extended --ticker ETH --quantity 0.1 --take-profit 0 --max-orders 40 --wait-time 450 --grid-step 0.01
+```
+
 ## Configuration
 
 ### Environment Variables
@@ -282,6 +295,13 @@ python runbot.py --exchange grvt --ticker BTC --quantity 0.05 --take-profit 0.02
 - `GRVT_PRIVATE_KEY`: Your GRVT private key
 - `GRVT_API_KEY`: Your GRVT API key
 
+#### Extended Configuration
+
+- `EXTENDED_API_KEY`: Your Extended API key
+- `EXTENDED_STARK_KEY_PUBLIC`: Your Stark public key
+- `EXTENDED_STARK_KEY_PRIVATE`: Your Stark private key
+- `EXTENDED_VAULT`: Your Extended Vault ID
+
 **How to get LIGHTER_ACCOUNT_INDEX**:
 
 1. Add your wallet address to the end of the following URL:
@@ -296,7 +316,7 @@ python runbot.py --exchange grvt --ticker BTC --quantity 0.05 --take-profit 0.02
 
 ### Command Line Arguments
 
-- `--exchange`: Exchange to use: 'edgex', 'backpack', 'paradex', 'aster', 'lighter', or 'grvt' (default: edgex)
+- `--exchange`: Exchange to use: 'edgex', 'backpack', 'paradex', 'aster', 'lighter', 'grvt', or 'extended' (default: edgex)
 - `--ticker`: Base asset symbol (e.g., ETH, BTC, SOL). Contract ID is auto-resolved.
 - `--quantity`: Order quantity (default: 0.1)
 - `--take-profit`: Take profit percent (e.g., 0.02 means 0.02%)

env_example.txt

@@ -34,6 +34,12 @@ API_KEY_PRIVATE_KEY=your_api_key_private_key_here
 LIGHTER_ACCOUNT_INDEX=0
 LIGHTER_API_KEY_INDEX=0
 
+# Extended Configuration
+EXTENDED_API_KEY=your_extended_api_key
+EXTENDED_STARK_KEY_PUBLIC=your_stark_public_key
+EXTENDED_STARK_KEY_PRIVATE=your_stark_private_key
+EXTENDED_VAULT=extended_vault_id
+
 # Notification (optional)
 # guide: https://www.feishu.cn/hc/zh-CN/articles/185289387886-%E6%B6%88%E6%81%AF%E5%8A%A9%E6%89%8B-%E6%9C%BA%E5%99%A8%E4%BA%BA
 LARK_TOKEN=

exchanges/backpack.py

@@ -13,7 +13,7 @@
 from cryptography.hazmat.primitives.asymmetric import ed25519
 import websockets
 from bpx.public import Public
-from bpx.account import Account
+from .bp_client import Account
 from bpx.constants.enums import OrderTypeEnum, TimeInForceEnum
 
 from .base import BaseExchangeClient, OrderResult, OrderInfo, query_retry