feat: Add Aster DEX exchange support + fix precision issues

## Features - Add full Aster DEX integration with Binance-compatible API - Support Web3 authentication with API wallet system - Add comprehensive Aster integration guide (ASTER_INTEGRATION.md) - Add example Aster configuration (config.aster.example.json) ## Bug Fixes - Fix precision error (code -1111) for all order types - Implement proper float-to-string conversion with exchange precision - Add automatic precision fetching from /exchangeInfo endpoint - Remove trailing zeros from formatted values ## Documentation - Update README.md with Aster quick start guide - Add detailed setup instructions for creating API wallet - Include troubleshooting FAQ and security best practices - Update core features to mention three supported exchanges ## Technical Details - Added formatFloatWithPrecision() helper function - Updated all order functions to use proper precision formatting - Added precision logging for debugging - Fully backward compatible with existing configurations Closes #[issue number if applicable]
2026-07-12 23:36:55 +08:00 · 2025-10-30 00:27:33 +08:00
parent 51cc922728
commit 87f67f2da1
7 changed files with 1224 additions and 7 deletions
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@

 ---

-An automated crypto futures trading system powered by **DeepSeek/Qwen AI**, supporting **Binance and Hyperliquid exchanges**, **multi-AI model live trading competition**, featuring comprehensive market analysis, AI decision-making, **self-learning mechanism**, and professional Web monitoring interface.
+An automated crypto futures trading system powered by **DeepSeek/Qwen AI**, supporting **Binance, Hyperliquid, and Aster DEX exchanges**, **multi-AI model live trading competition**, featuring comprehensive market analysis, AI decision-making, **self-learning mechanism**, and professional Web monitoring interface.

 > ⚠️ **Risk Warning**: This system is experimental. AI auto-trading carries significant risks. Strongly recommended for learning/research purposes or testing with small amounts only!

@@ -23,9 +23,13 @@ Join our Telegram developer community to discuss, share ideas, and get support:

 ## 🆕 What's New (Latest Update)

-### 🚀 Hyperliquid Exchange Support Added!
+### 🚀 Multi-Exchange Support!

-NOFX now supports **Hyperliquid** - a high-performance decentralized perpetual futures exchange!
+NOFX now supports **three major exchanges**: Binance, Hyperliquid, and Aster DEX!
+
+#### **Hyperliquid Exchange**
+
+A high-performance decentralized perpetual futures exchange!

 **Key Features:**
 - ✅ Full trading support (long/short, leverage, stop-loss/take-profit)
@@ -48,6 +52,30 @@ NOFX now supports **Hyperliquid** - a high-performance decentralized perpetual f

 See [Configuration Guide](#-alternative-using-hyperliquid-exchange) for details.

+#### **Aster DEX Exchange** (NEW! v2.0.2)
+
+A Binance-compatible decentralized perpetual futures exchange!
+
+**Key Features:**
+- ✅ Binance-style API (easy migration from Binance)
+- ✅ Web3 wallet authentication (secure and decentralized)
+- ✅ Full trading support with automatic precision handling
+- ✅ Lower trading fees than CEX
+- ✅ EVM-compatible (Ethereum, BSC, Polygon, etc.)
+
+**Why Aster?**
+- 🎯 **Binance-compatible API** - minimal code changes required
+- 🔐 **API Wallet System** - separate trading wallet for security
+- 💰 **Competitive fees** - lower than most centralized exchanges
+- 🌐 **Multi-chain support** - trade on your preferred EVM chain
+
+**Quick Start:**
+1. Visit [Aster API Wallet](https://www.asterdex.com/en/api-wallet)
+2. Connect your main wallet and create an API wallet
+3. Copy the API Signer address and Private Key
+4. Set `"exchange": "aster"` in config.json
+5. Add `"aster_user"`, `"aster_signer"`, and `"aster_private_key"`
+
 ---

 ## ✨ Core Features
@@ -442,6 +470,71 @@ cp config.json.example config.json

 ---

+#### 🔶 Alternative: Using Aster DEX Exchange
+
+**NOFX also supports Aster DEX** - a Binance-compatible decentralized perpetual futures exchange!
+
+**Why Choose Aster?**
+- 🎯 Binance-compatible API (easy migration)
+- 🔐 API Wallet security system
+- 💰 Lower trading fees
+- 🌐 Multi-chain support (ETH, BSC, Polygon)
+- 🌍 No KYC required
+
+**Step 1**: Create Aster API Wallet
+
+1. Visit [Aster API Wallet](https://www.asterdex.com/en/api-wallet)
+2. Connect your main wallet (MetaMask, WalletConnect, etc.)
+3. Click "Create API Wallet"
+4. **Save these 3 items immediately:**
+   - Main Wallet address (User)
+   - API Wallet address (Signer)
+   - API Wallet Private Key (⚠️ shown only once!)
+
+**Step 2**: Configure `config.json` for Aster
+
+```json
+{
+  "traders": [
+    {
+      "id": "aster_deepseek",
+      "name": "Aster DeepSeek Trader",
+      "ai_model": "deepseek",
+      "exchange": "aster",
+      
+      "aster_user": "0x63DD5aCC6b1aa0f563956C0e534DD30B6dcF7C4e",
+      "aster_signer": "0x21cF8Ae13Bb72632562c6Fff438652Ba1a151bb0",
+      "aster_private_key": "4fd0a42218f3eae43a6ce26d22544e986139a01e5b34a62db53757ffca81bae1",
+      
+      "deepseek_key": "sk-xxxxxxxxxxxxx",
+      "initial_balance": 1000.0,
+      "scan_interval_minutes": 3
+    }
+  ],
+  "use_default_coins": true,
+  "api_server_port": 8080,
+  "leverage": {
+    "btc_eth_leverage": 5,
+    "altcoin_leverage": 5
+  }
+}
+```
+
+**Key Configuration Fields:**
+- `"exchange": "aster"` - Set exchange to Aster
+- `aster_user` - Your main wallet address
+- `aster_signer` - API wallet address (from Step 1)
+- `aster_private_key` - API wallet private key (without `0x` prefix)
+
+**📖 For detailed setup instructions, see**: [Aster Integration Guide](ASTER_INTEGRATION.md)
+
+**⚠️ Security Notes**:
+- API wallet is separate from your main wallet (extra security layer)
+- Never share your API private key
+- You can revoke API wallet access anytime at [asterdex.com](https://www.asterdex.com/en/api-wallet)
+
+---
+
 #### ⚔️ Expert Mode: Multi-Trader Competition

 For running multiple AI traders competing against each other:
@@ -1092,6 +1185,19 @@ This version fixes **critical calculation errors** in the historical trade recor

 **Recommendation**: If you were running the system before this update, your historical statistics were inaccurate. After updating to v2.0.2, new trades will be calculated correctly.

+### v2.0.2 (2025-10-29)
+
+**Bug Fixes:**
+- ✅ Fixed Aster exchange precision error (code -1111: "Precision is over the maximum defined for this asset")
+- ✅ Improved price and quantity formatting to match exchange precision requirements
+- ✅ Added detailed precision processing logs for debugging
+- ✅ Enhanced all order functions (OpenLong, OpenShort, CloseLong, CloseShort, SetStopLoss, SetTakeProfit) with proper precision handling
+
+**Technical Details:**
+- Added `formatFloatWithPrecision` function to convert float64 to strings with correct precision
+- Price and quantity parameters are now formatted according to exchange's `pricePrecision` and `quantityPrecision` specifications
+- Trailing zeros are removed from formatted values to optimize API requests
+
 ### v2.0.1 (2025-10-29)

 **Bug Fixes:**
@@ -1159,7 +1265,7 @@ Issues and Pull Requests are welcome!

 ---

-**Last Updated**: 2025-10-29 (v2.0.2)
+**Last Updated**: 2025-10-29 (v2.0.3)

 **⚡ Explore the possibilities of quantitative trading with the power of AI!**