refactor: rewrite Coin Hunter as short-term trading framework with auto-trading architecture
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references/auto-trading-guide.md
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references/auto-trading-guide.md
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# Automated Trading Guide for Coin Hunter
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Complete guide for building and running a hands-off meme-coin trading bot using the Binance Spot API.
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## Scope
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This guide covers:
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- Creating a safe Binance API key
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- Installing dependencies (ccxt, pandas, numpy)
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- Setting up `auto_trader.py`
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- Testing in `DRY_RUN` mode
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- Scheduling execution with `cronjob`
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- Critical safety rules and troubleshooting
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## What the bot does
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1. **Monitors existing positions** for stop-loss (-7%) and take-profit (+15% / +30%) levels
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2. **Scans the market** for new meme-coin candidates (price < $1, 24h volume > $1M, 24h change > 5%)
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3. **Dynamically sizes orders** based on the user's total USDT balance and a configurable allocation percentage
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4. **Runs on a schedule** (default every 15 minutes) and reports actions back via Telegram
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## Architecture
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```
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~/.coinhunter/
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├── auto_trader.py # Main trading logic
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├── run_trader.sh # Shell wrapper (venv + env vars + logging)
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├── check_api.py # Quick API connectivity validator
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├── logs/trader.log # Execution logs
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└── positions.json # Portfolio state (shared with coinhunter)
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```
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## Step 1: Binance API Key setup
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1. Log in to Binance → **API Management**
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2. Create a new API Key
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3. Enable permissions:
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- ✅ **Enable Reading**
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- ✅ **Enable Spot & Margin Trading**
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- ❌ **Disable Withdrawal** (security red line)
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4. Add an **IP whitelist** (strongly recommended):
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- Use the public IP of the machine that will run the bot
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- This prevents key reuse if the credential is ever leaked
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**Security reminder:** never paste API keys into chat messages. Write them directly into `~/.hermes/.env`.
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## Step 2: Store credentials
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Append to `~/.hermes/.env`:
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```env
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BINANCE_API_KEY=your_api_key_here
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BINANCE_API_SECRET=your_api_secret_here
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```
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## Step 3: Install dependencies
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The bot uses `ccxt` for exchange connectivity and `pandas`/`numpy` for data handling.
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```bash
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uv pip install ccxt pandas numpy
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```
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Or if using a venv:
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```bash
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source venv/bin/activate
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pip install ccxt pandas numpy
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```
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## Step 4: Deploy the bot
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Use `scripts/auto_trader.py` from the coinhunter skill as the template. Copy it into the user's `~/.coinhunter/` directory and customize:
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- `MAX_POSITIONS` — max concurrent meme-coin positions (default 2)
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- `CAPITAL_ALLOCATION_PCT` — fraction of total USDT to use (default 0.95; leave ~5% buffer for fees/slippage)
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- `MIN_POSITION_USDT` — minimum single order size (default 50)
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- `STOP_LOSS_PCT` / `TAKE_PROFIT_1_PCT` / `TAKE_PROFIT_2_PCT` — risk levels
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Create `run_trader.sh`:
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```bash
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#!/bin/bash
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set -e
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cd "$(dirname "$0")"
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python3 check_api.py
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source /path/to/venv/bin/activate
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export DRY_RUN=${DRY_RUN:-true}
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python3 auto_trader.py >> logs/trader.log 2>&1
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```
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Make executable:
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```bash
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chmod +x run_trader.sh check_api.py
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mkdir -p logs
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```
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## Step 5: Validate API connectivity
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```bash
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python3 check_api.py
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```
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Expected output: `✅ API 配置正常`
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If this fails, the bot will exit immediately on each run.
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## Step 6: Run a DRY_RUN test
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```bash
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DRY_RUN=true python3 auto_trader.py
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```
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Expected behavior:
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- Reads current positions from `positions.json`
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- Fetches live Binance prices
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- Prints PnL for each position
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- Prints `[DRY RUN]` instead of real trades
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- Does **not** move money
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Only proceed to live trading after at least one dry-run cycle completes without errors.
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## Step 7: Schedule with cronjob
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Use the `cronjob` tool to run the bot every 15 minutes:
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```json
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{
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"action": "create",
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"name": "Coin Hunter Auto Trader",
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"schedule": "*/15 * * * *",
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"deliver": "telegram",
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"prompt": "Run the Coin Hunter automatic meme-coin trading bot.\n1. cd /home/<user>/.coinhunter\n2. ./run_trader.sh\n3. Summarize actions and report back."
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}
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```
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## Step 8: Switch to live trading
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Once DRY_RUN validation succeeds and the user confirms:
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1. Edit `run_trader.sh`
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2. Change `DRY_RUN=${DRY_RUN:-true}` to `DRY_RUN=${DRY_RUN:-false}`
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3. The next cron run will execute real orders
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**You must always obtain explicit user confirmation before enabling live trading.**
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## Key safety rules
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1. **Never enable Withdrawal permission** on the API key.
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2. **Always bind an IP whitelist** if possible.
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3. **Never accept API keys in plaintext chat.** Ask the user to write them into `~/.hermes/.env`.
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4. **Do not set allocation to exactly 100%.** Leave at least 3–5% buffer for fees and slippage.
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5. **Start with DRY_RUN.** Run at least one full cycle before going live.
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6. **Check the account balance first.** If USDT is 0 (or held in Earn/Margin/Futures), the bot cannot trade.
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7. **Educate the user about risks.** Automated bots can and will lose money during flash crashes, API errors, or black-swan events.
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## Common pitfalls
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### Ticker symbol mismatch
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ccxt returns tickers with a slash (e.g., `PENGU/USDT`), but `positions.json` may store symbols without a slash (`PENGUUSDT`). If the bot looks up `tickers.get("PENGUUSDT")`, it will get `None` and silently skip stop-loss/take-profit checks.
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**Fix:** normalize symbols before lookup:
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```python
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sym_ccxt = sym.replace("USDT", "/USDT") if "/" not in sym else sym
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ticker = tickers.get(sym_ccxt)
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```
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### .env file is protected
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The `patch` tool may reject edits to `~/.hermes/.env`. Use terminal redirection instead:
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```bash
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cat >> ~/.hermes/.env << 'EOF'
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BINANCE_API_KEY=xxx
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BINANCE_API_SECRET=yyy
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EOF
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```
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### Zero balance surprises
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The bot reads **Spot free balance**. If the user holds USDT in:
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- Flexible Savings / Earn
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- Margin account
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- Futures wallet
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- Another sub-account
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…it will see $0 and fail to open new positions. Ask the user to transfer funds to Spot before going live.
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## Customization ideas
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- **Chain bias:** restrict candidate scanning to Solana-only or Base-only by filtering `cand["base"]` or integrating DexScreener chain filters.
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- **Social signal integration:** add a Twitter/X sentiment check before opening a position.
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- **Tiered stops:** replace fixed -7% with trailing stops using recent ATR or swing lows.
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- **Blacklist expansion:** add recently rugged tickers to `BLACKLIST` based on on-chain data.
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